proc_fail_nth_read+0x1e3/0x250
[ 131.332975][ T6301] ? proc_fault_inject_write+0x340/0x340
[ 131.338658][ T6301] ? fsnotify_perm+0x271/0x5e0
[ 131.343475][ T6301] ? proc_fault_inject_write+0x340/0x340
[ 131.349153][ T6301] vfs_read+0x27e/0x920
[ 131.353397][ T6301] ? kernel_read+0x1e0/0x1e0
[ 131.358029][ T6301] ? __fget_files+0x28/0x4d0
[ 131.362642][ T6301] ? __fget_files+0x44a/0x4d0
[ 131.367357][ T6301] ? __fdget_pos+0x2a3/0x330
[ 131.371992][ T6301] ? ksys_read+0x75/0x250
[ 131.376367][ T6301] ksys_read+0x147/0x250
[ 131.380637][ T6301] ? vfs_write+0x940/0x940
[ 131.385084][ T6301] ? lockdep_hardirqs_on+0x98/0x150
[ 131.390304][ T6301] do_syscall_64+0x55/0xb0
[ 131.394743][ T6301] ? clear_bhb_loop+0x40/0x90
[ 131.399442][ T6301] ? clear_bhb_loop+0x40/0x90
[ 131.404138][ T6301] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 131.410182][ T6301] RIP: 0033:0x7f1e4c98e15c
[ 131.414627][ T6301] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 131.434262][ T6301] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 131.442699][ T6301] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 131.450691][ T6301] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 131.458686][ T6301] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 131.466684][ T6301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 131.474690][ T6301] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 131.482706][ T6301]
[ 131.485748][ T6305] CPU: 1 PID: 6305 Comm: syz.2.148 Not tainted syzkaller #0
[ 131.493074][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 131.503149][ T6305] Call Trace:
[ 131.506444][ T6305]
[ 131.509389][ T6305] dump_stack_lvl+0x16c/0x230
[ 131.514096][ T6305] ? show_regs_print_info+0x20/0x20
[ 131.519316][ T6305] ? load_image+0x3b0/0x3b0
[ 131.523848][ T6305] ? __lock_acquire+0x7c80/0x7c80
[ 131.528888][ T6305] ? snprintf+0xdb/0x120
[ 131.533145][ T6305] should_fail_ex+0x39d/0x4d0
[ 131.537857][ T6305] _copy_to_user+0x2f/0xa0
[ 131.542289][ T6305] simple_read_from_buffer+0xe7/0x150
[ 131.547689][ T6305] proc_fail_nth_read+0x1e3/0x250
[ 131.552762][ T6305] ? proc_fault_inject_write+0x340/0x340
[ 131.558414][ T6305] ? fsnotify_perm+0x271/0x5e0
[ 131.563201][ T6305] ? proc_fault_inject_write+0x340/0x340
[ 131.568873][ T6305] vfs_read+0x27e/0x920
[ 131.573049][ T6305] ? kernel_read+0x1e0/0x1e0
[ 131.577665][ T6305] ? __fget_files+0x28/0x4d0
[ 131.582274][ T6305] ? __fget_files+0x44a/0x4d0
[ 131.586981][ T6305] ? __fdget_pos+0x2a3/0x330
[ 131.591587][ T6305] ? ksys_read+0x75/0x250
[ 131.595955][ T6305] ksys_read+0x147/0x250
[ 131.600248][ T6305] ? vfs_write+0x940/0x940
[ 131.604706][ T6305] ? lockdep_hardirqs_on+0x98/0x150
[ 131.609954][ T6305] do_syscall_64+0x55/0xb0
[ 131.614400][ T6305] ? clear_bhb_loop+0x40/0x90
[ 131.619107][ T6305] ? clear_bhb_loop+0x40/0x90
[ 131.623811][ T6305] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 131.629727][ T6305] RIP: 0033:0x7f2949b8e15c
[ 131.634203][ T6305] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 131.653827][ T6305] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 131.662257][ T6305] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 131.670262][ T6305] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 131.678264][ T6305] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 131.686260][ T6305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 131.694251][ T6305] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 131.702252][ T6305]
[ 131.711134][ T6300] CPU: 0 PID: 6300 Comm: syz.1.146 Not tainted syzkaller #0
[ 131.718503][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 131.728610][ T6300] Call Trace:
[ 131.731920][ T6300]
[ 131.734889][ T6300] dump_stack_lvl+0x16c/0x230
[ 131.739616][ T6300] ? show_regs_print_info+0x20/0x20
[ 131.744868][ T6300] ? load_image+0x3b0/0x3b0
[ 131.749420][ T6300] ? __lock_acquire+0x7c80/0x7c80
[ 131.754477][ T6300] ? snprintf+0xdb/0x120
[ 131.758738][ T6300] should_fail_ex+0x39d/0x4d0
[ 131.763446][ T6300] _copy_to_user+0x2f/0xa0
[ 131.767884][ T6300] simple_read_from_buffer+0xe7/0x150
[ 131.773282][ T6300] proc_fail_nth_read+0x1e3/0x250
[ 131.778325][ T6300] ? proc_fault_inject_write+0x340/0x340
[ 131.783980][ T6300] ? fsnotify_perm+0x271/0x5e0
[ 131.788770][ T6300] ? proc_fault_inject_write+0x340/0x340
[ 131.794427][ T6300] vfs_read+0x27e/0x920
[ 131.798602][ T6300] ? kernel_read+0x1e0/0x1e0
[ 131.803206][ T6300] ? __fget_files+0x28/0x4d0
[ 131.807810][ T6300] ? __fget_files+0x44a/0x4d0
[ 131.812526][ T6300] ? __fdget_pos+0x2a3/0x330
[ 131.817132][ T6300] ? ksys_read+0x75/0x250
[ 131.821483][ T6300] ksys_read+0x147/0x250
[ 131.825754][ T6300] ? vfs_write+0x940/0x940
[ 131.830193][ T6300] ? lockdep_hardirqs_on+0x98/0x150
[ 131.835406][ T6300] do_syscall_64+0x55/0xb0
[ 131.839836][ T6300] ? clear_bhb_loop+0x40/0x90
[ 131.844525][ T6300] ? clear_bhb_loop+0x40/0x90
[ 131.849303][ T6300] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 131.855207][ T6300] RIP: 0033:0x7faa1e98e15c
[ 131.859637][ T6300] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 131.879255][ T6300] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 131.887683][ T6300] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 131.895661][ T6300] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 131.903637][ T6300] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 131.911619][ T6300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 131.919598][ T6300] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 131.927598][ T6300]
[ 131.938269][ T6307] FAULT_INJECTION: forcing a failure.
[ 131.938269][ T6307] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 131.953399][ T6307] CPU: 1 PID: 6307 Comm: syz.3.149 Not tainted syzkaller #0
[ 131.960727][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 131.970812][ T6307] Call Trace:
[ 131.974107][ T6307]
[ 131.977046][ T6307] dump_stack_lvl+0x16c/0x230
[ 131.981746][ T6307] ? show_regs_print_info+0x20/0x20
[ 131.986979][ T6307] ? load_image+0x3b0/0x3b0
[ 131.991497][ T6307] ? __lock_acquire+0x7c80/0x7c80
[ 131.996538][ T6307] ? snprintf+0xdb/0x120
[ 132.000803][ T6307] should_fail_ex+0x39d/0x4d0
[ 132.005505][ T6307] _copy_to_user+0x2f/0xa0
[ 132.009938][ T6307] simple_read_from_buffer+0xe7/0x150
[ 132.015344][ T6307] proc_fail_nth_read+0x1e3/0x250
[ 132.020403][ T6307] ? proc_fault_inject_write+0x340/0x340
[ 132.026056][ T6307] ? fsnotify_perm+0x271/0x5e0
[ 132.030836][ T6307] ? proc_fault_inject_write+0x340/0x340
[ 132.036479][ T6307] vfs_read+0x27e/0x920
[ 132.040654][ T6307] ? kernel_read+0x1e0/0x1e0
[ 132.045261][ T6307] ? __fget_files+0x28/0x4d0
[ 132.049867][ T6307] ? __fget_files+0x44a/0x4d0
[ 132.054565][ T6307] ? __fdget_pos+0x2a3/0x330
[ 132.059170][ T6307] ? ksys_read+0x75/0x250
[ 132.063523][ T6307] ksys_read+0x147/0x250
[ 132.067817][ T6307] ? vfs_write+0x940/0x940
[ 132.072256][ T6307] ? lockdep_hardirqs_on+0x98/0x150
[ 132.077474][ T6307] do_syscall_64+0x55/0xb0
[ 132.081914][ T6307] ? clear_bhb_loop+0x40/0x90
[ 132.086609][ T6307] ? clear_bhb_loop+0x40/0x90
[ 132.091312][ T6307] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 132.097221][ T6307] RIP: 0033:0x7f739038e15c
[ 132.101651][ T6307] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 132.121284][ T6307] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 132.129711][ T6307] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 132.137689][ T6307] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000004
2025/12/01 19:54:31 executed programs: 141
[ 132.145686][ T6307] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 132.153670][ T6307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 132.161646][ T6307] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 132.169635][ T6307]
[ 132.224830][ T6311] FAULT_INJECTION: forcing a failure.
[ 132.224830][ T6311] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 132.245348][ T6314] FAULT_INJECTION: forcing a failure.
[ 132.245348][ T6314] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 132.260197][ T6311] CPU: 0 PID: 6311 Comm: syz.2.150 Not tainted syzkaller #0
[ 132.267537][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 132.277625][ T6311] Call Trace:
[ 132.280939][ T6311]
[ 132.283914][ T6311] dump_stack_lvl+0x16c/0x230
[ 132.288655][ T6311] ? show_regs_print_info+0x20/0x20
[ 132.293997][ T6311] ? load_image+0x3b0/0x3b0
[ 132.298550][ T6311] ? __lock_acquire+0x7c80/0x7c80
[ 132.303618][ T6311] ? snprintf+0xdb/0x120
[ 132.307904][ T6311] should_fail_ex+0x39d/0x4d0
[ 132.312631][ T6311] _copy_to_user+0x2f/0xa0
[ 132.317107][ T6311] simple_read_from_buffer+0xe7/0x150
[ 132.322524][ T6311] proc_fail_nth_read+0x1e3/0x250
[ 132.327592][ T6311] ? proc_fault_inject_write+0x340/0x340
[ 132.333273][ T6311] ? fsnotify_perm+0x271/0x5e0
[ 132.338086][ T6311] ? proc_fault_inject_write+0x340/0x340
[ 132.343767][ T6311] vfs_read+0x27e/0x920
[ 132.346403][ T6317] FAULT_INJECTION: forcing a failure.
[ 132.346403][ T6317] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 132.347953][ T6311] ? kernel_read+0x1e0/0x1e0
[ 132.347993][ T6311] ? __fget_files+0x28/0x4d0
[ 132.370225][ T6311] ? __fget_files+0x44a/0x4d0
[ 132.374941][ T6311] ? __fdget_pos+0x2a3/0x330
[ 132.379557][ T6311] ? ksys_read+0x75/0x250
[ 132.383911][ T6311] ksys_read+0x147/0x250
[ 132.388183][ T6311] ? vfs_write+0x940/0x940
[ 132.392622][ T6311] ? lockdep_hardirqs_on+0x98/0x150
[ 132.397848][ T6311] do_syscall_64+0x55/0xb0
[ 132.402289][ T6311] ? clear_bhb_loop+0x40/0x90
[ 132.406999][ T6311] ? clear_bhb_loop+0x40/0x90
[ 132.411704][ T6311] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 132.417628][ T6311] RIP: 0033:0x7f2949b8e15c
[ 132.422083][ T6311] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 132.441807][ T6311] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 132.450714][ T6311] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 132.458706][ T6311] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 132.465044][ T6313] FAULT_INJECTION: forcing a failure.
[ 132.465044][ T6313] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 132.466688][ T6311] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 132.487715][ T6311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 132.495702][ T6311] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 132.503711][ T6311]
[ 132.511070][ T6317] CPU: 0 PID: 6317 Comm: syz.3.153 Not tainted syzkaller #0
[ 132.518405][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 132.528480][ T6317] Call Trace:
[ 132.531774][ T6317]
[ 132.534731][ T6317] dump_stack_lvl+0x16c/0x230
[ 132.539455][ T6317] ? show_regs_print_info+0x20/0x20
[ 132.544695][ T6317] ? load_image+0x3b0/0x3b0
[ 132.549569][ T6317] ? __lock_acquire+0x7c80/0x7c80
[ 132.554615][ T6317] ? snprintf+0xdb/0x120
[ 132.558878][ T6317] should_fail_ex+0x39d/0x4d0
[ 132.563600][ T6317] _copy_to_user+0x2f/0xa0
[ 132.568059][ T6317] simple_read_from_buffer+0xe7/0x150
[ 132.573479][ T6317] proc_fail_nth_read+0x1e3/0x250
[ 132.578543][ T6317] ? proc_fault_inject_write+0x340/0x340
[ 132.584207][ T6317] ? fsnotify_perm+0x271/0x5e0
[ 132.589032][ T6317] ? proc_fault_inject_write+0x340/0x340
[ 132.594692][ T6317] vfs_read+0x27e/0x920
[ 132.598877][ T6317] ? kernel_read+0x1e0/0x1e0
[ 132.603492][ T6317] ? __fget_files+0x28/0x4d0
[ 132.608108][ T6317] ? __fget_files+0x44a/0x4d0
[ 132.612813][ T6317] ? __fdget_pos+0x2a3/0x330
[ 132.617423][ T6317] ? ksys_read+0x75/0x250
[ 132.621777][ T6317] ksys_read+0x147/0x250
[ 132.626046][ T6317] ? vfs_write+0x940/0x940
[ 132.630485][ T6317] ? lockdep_hardirqs_on+0x98/0x150
[ 132.635700][ T6317] do_syscall_64+0x55/0xb0
[ 132.640137][ T6317] ? clear_bhb_loop+0x40/0x90
[ 132.644830][ T6317] ? clear_bhb_loop+0x40/0x90
[ 132.649522][ T6317] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 132.655428][ T6317] RIP: 0033:0x7f739038e15c
[ 132.659855][ T6317] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 132.679480][ T6317] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 132.687916][ T6317] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 132.695916][ T6317] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 132.703902][ T6317] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 132.711884][ T6317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 132.719875][ T6317] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 132.727896][ T6317]
[ 132.732113][ T6314] CPU: 0 PID: 6314 Comm: syz.1.152 Not tainted syzkaller #0
[ 132.739436][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 132.749518][ T6314] Call Trace:
[ 132.752815][ T6314]
[ 132.755768][ T6314] dump_stack_lvl+0x16c/0x230
[ 132.760490][ T6314] ? show_regs_print_info+0x20/0x20
[ 132.765729][ T6314] ? load_image+0x3b0/0x3b0
[ 132.770270][ T6314] ? __lock_acquire+0x7c80/0x7c80
[ 132.775330][ T6314] ? snprintf+0xdb/0x120
[ 132.779611][ T6314] should_fail_ex+0x39d/0x4d0
[ 132.784345][ T6314] _copy_to_user+0x2f/0xa0
[ 132.788808][ T6314] simple_read_from_buffer+0xe7/0x150
[ 132.794233][ T6314] proc_fail_nth_read+0x1e3/0x250
[ 132.799306][ T6314] ? proc_fault_inject_write+0x340/0x340
[ 132.804995][ T6314] ? fsnotify_perm+0x271/0x5e0
[ 132.809812][ T6314] ? proc_fault_inject_write+0x340/0x340
[ 132.815489][ T6314] vfs_read+0x27e/0x920
[ 132.819778][ T6314] ? kernel_read+0x1e0/0x1e0
[ 132.824417][ T6314] ? __fget_files+0x28/0x4d0
[ 132.829056][ T6314] ? __fget_files+0x44a/0x4d0
[ 132.833839][ T6314] ? __fdget_pos+0x2a3/0x330
[ 132.838481][ T6314] ? ksys_read+0x75/0x250
[ 132.842862][ T6314] ksys_read+0x147/0x250
[ 132.847169][ T6314] ? vfs_write+0x940/0x940
[ 132.851640][ T6314] ? lockdep_hardirqs_on+0x98/0x150
[ 132.856887][ T6314] do_syscall_64+0x55/0xb0
[ 132.861353][ T6314] ? clear_bhb_loop+0x40/0x90
[ 132.866065][ T6314] ? clear_bhb_loop+0x40/0x90
[ 132.870766][ T6314] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 132.876688][ T6314] RIP: 0033:0x7faa1e98e15c
[ 132.881150][ T6314] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 132.900887][ T6314] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 132.909358][ T6314] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 132.917373][ T6314] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 132.925392][ T6314] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 132.933383][ T6314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 132.941369][ T6314] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 132.949399][ T6314]
[ 132.952428][ T6313] CPU: 1 PID: 6313 Comm: syz.0.151 Not tainted syzkaller #0
[ 132.959750][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 132.969825][ T6313] Call Trace:
[ 132.973121][ T6313]
[ 132.976058][ T6313] dump_stack_lvl+0x16c/0x230
[ 132.980751][ T6313] ? show_regs_print_info+0x20/0x20
[ 132.985970][ T6313] ? load_image+0x3b0/0x3b0
[ 132.990481][ T6313] ? __lock_acquire+0x7c80/0x7c80
[ 132.995517][ T6313] ? snprintf+0xdb/0x120
[ 132.999778][ T6313] should_fail_ex+0x39d/0x4d0
[ 133.004477][ T6313] _copy_to_user+0x2f/0xa0
[ 133.008912][ T6313] simple_read_from_buffer+0xe7/0x150
[ 133.014312][ T6313] proc_fail_nth_read+0x1e3/0x250
[ 133.019358][ T6313] ? proc_fault_inject_write+0x340/0x340
[ 133.025022][ T6313] ? fsnotify_perm+0x271/0x5e0
[ 133.029810][ T6313] ? proc_fault_inject_write+0x340/0x340
[ 133.035472][ T6313] vfs_read+0x27e/0x920
[ 133.039747][ T6313] ? kernel_read+0x1e0/0x1e0
[ 133.044359][ T6313] ? __fget_files+0x28/0x4d0
[ 133.049670][ T6313] ? __fget_files+0x44a/0x4d0
[ 133.054372][ T6313] ? __fdget_pos+0x2a3/0x330
[ 133.059067][ T6313] ? ksys_read+0x75/0x250
[ 133.063423][ T6313] ksys_read+0x147/0x250
[ 133.067696][ T6313] ? vfs_write+0x940/0x940
[ 133.072131][ T6313] ? lockdep_hardirqs_on+0x98/0x150
[ 133.077357][ T6313] do_syscall_64+0x55/0xb0
[ 133.081790][ T6313] ? clear_bhb_loop+0x40/0x90
[ 133.086481][ T6313] ? clear_bhb_loop+0x40/0x90
[ 133.091172][ T6313] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 133.097094][ T6313] RIP: 0033:0x7f1e4c98e15c
[ 133.101536][ T6313] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 133.121149][ T6313] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 133.129597][ T6313] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 133.137595][ T6313] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 133.145574][ T6313] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 133.153566][ T6313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 133.161581][ T6313] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 133.169582][ T6313]
[ 133.187223][ T1284] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.194148][ T1284] ieee802154 phy1 wpan1: encryption failed: -22
[ 133.201608][ T6321] FAULT_INJECTION: forcing a failure.
[ 133.201608][ T6321] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 133.221223][ T6322] FAULT_INJECTION: forcing a failure.
[ 133.221223][ T6322] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 133.230319][ T6321] CPU: 1 PID: 6321 Comm: syz.2.155 Not tainted syzkaller #0
[ 133.241587][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 133.251672][ T6321] Call Trace:
[ 133.254988][ T6321]
[ 133.257984][ T6321] dump_stack_lvl+0x16c/0x230
[ 133.262699][ T6321] ? show_regs_print_info+0x20/0x20
[ 133.267937][ T6321] ? load_image+0x3b0/0x3b0
[ 133.272484][ T6321] ? __lock_acquire+0x7c80/0x7c80
[ 133.277546][ T6321] ? snprintf+0xdb/0x120
[ 133.281833][ T6321] should_fail_ex+0x39d/0x4d0
[ 133.286562][ T6321] _copy_to_user+0x2f/0xa0
[ 133.291017][ T6321] simple_read_from_buffer+0xe7/0x150
[ 133.296453][ T6321] proc_fail_nth_read+0x1e3/0x250
[ 133.301550][ T6321] ? proc_fault_inject_write+0x340/0x340
[ 133.307251][ T6321] ? fsnotify_perm+0x271/0x5e0
[ 133.312077][ T6321] ? proc_fault_inject_write+0x340/0x340
[ 133.317746][ T6321] vfs_read+0x27e/0x920
[ 133.321951][ T6321] ? kernel_read+0x1e0/0x1e0
[ 133.326620][ T6321] ? __fget_files+0x28/0x4d0
[ 133.331258][ T6321] ? __fget_files+0x44a/0x4d0
[ 133.335992][ T6321] ? __fdget_pos+0x2a3/0x330
[ 133.340607][ T6321] ? ksys_read+0x75/0x250
[ 133.344970][ T6321] ksys_read+0x147/0x250
[ 133.349244][ T6321] ? vfs_write+0x940/0x940
[ 133.353687][ T6321] ? lockdep_hardirqs_on+0x98/0x150
[ 133.358943][ T6321] do_syscall_64+0x55/0xb0
[ 133.363384][ T6321] ? clear_bhb_loop+0x40/0x90
[ 133.368096][ T6321] ? clear_bhb_loop+0x40/0x90
[ 133.372798][ T6321] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 133.378711][ T6321] RIP: 0033:0x7f2949b8e15c
[ 133.383146][ T6321] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 133.402782][ T6321] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 133.411233][ T6321] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 133.419234][ T6321] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 133.427228][ T6321] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 133.435217][ T6321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 133.443222][ T6321] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 133.451399][ T6321]
[ 133.454458][ T6322] CPU: 0 PID: 6322 Comm: syz.3.154 Not tainted syzkaller #0
[ 133.461786][ T6322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 133.471873][ T6322] Call Trace:
[ 133.475208][ T6322]
[ 133.478156][ T6322] dump_stack_lvl+0x16c/0x230
[ 133.482871][ T6322] ? show_regs_print_info+0x20/0x20
[ 133.488093][ T6322] ? load_image+0x3b0/0x3b0
[ 133.492616][ T6322] ? __lock_acquire+0x7c80/0x7c80
[ 133.497664][ T6322] ? snprintf+0xdb/0x120
[ 133.501936][ T6322] should_fail_ex+0x39d/0x4d0
[ 133.506656][ T6322] _copy_to_user+0x2f/0xa0
[ 133.511107][ T6322] simple_read_from_buffer+0xe7/0x150
[ 133.516522][ T6322] proc_fail_nth_read+0x1e3/0x250
[ 133.521565][ T6322] ? proc_fault_inject_write+0x340/0x340
[ 133.527216][ T6322] ? fsnotify_perm+0x271/0x5e0
[ 133.532007][ T6322] ? proc_fault_inject_write+0x340/0x340
[ 133.537653][ T6322] vfs_read+0x27e/0x920
[ 133.541855][ T6322] ? kernel_read+0x1e0/0x1e0
[ 133.546469][ T6322] ? __fget_files+0x28/0x4d0
[ 133.551103][ T6322] ? __fget_files+0x44a/0x4d0
[ 133.555841][ T6322] ? __fdget_pos+0x2a3/0x330
[ 133.560469][ T6322] ? ksys_read+0x75/0x250
[ 133.564835][ T6322] ksys_read+0x147/0x250
[ 133.569108][ T6322] ? vfs_write+0x940/0x940
[ 133.573554][ T6322] ? lockdep_hardirqs_on+0x98/0x150
[ 133.578777][ T6322] do_syscall_64+0x55/0xb0
[ 133.583214][ T6322] ? clear_bhb_loop+0x40/0x90
[ 133.587921][ T6322] ? clear_bhb_loop+0x40/0x90
[ 133.592623][ T6322] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 133.598528][ T6322] RIP: 0033:0x7f739038e15c
[ 133.602956][ T6322] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 133.624434][ T6322] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 133.632874][ T6322] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 133.640859][ T6322] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 133.648879][ T6322] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 133.656878][ T6322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 133.664871][ T6322] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 133.672877][ T6322]
[ 133.724818][ T6324] FAULT_INJECTION: forcing a failure.
[ 133.724818][ T6324] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 133.741677][ T6324] CPU: 0 PID: 6324 Comm: syz.0.156 Not tainted syzkaller #0
[ 133.749027][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 133.759119][ T6324] Call Trace:
[ 133.762435][ T6324]
[ 133.765419][ T6324] dump_stack_lvl+0x16c/0x230
[ 133.770147][ T6324] ? show_regs_print_info+0x20/0x20
[ 133.775392][ T6324] ? load_image+0x3b0/0x3b0
[ 133.779932][ T6324] ? __lock_acquire+0x7c80/0x7c80
[ 133.784978][ T6324] ? snprintf+0xdb/0x120
[ 133.789236][ T6324] should_fail_ex+0x39d/0x4d0
[ 133.793950][ T6324] _copy_to_user+0x2f/0xa0
[ 133.798396][ T6324] simple_read_from_buffer+0xe7/0x150
[ 133.803799][ T6324] proc_fail_nth_read+0x1e3/0x250
[ 133.808862][ T6324] ? proc_fault_inject_write+0x340/0x340
[ 133.814535][ T6324] ? fsnotify_perm+0x271/0x5e0
[ 133.819342][ T6324] ? proc_fault_inject_write+0x340/0x340
[ 133.825008][ T6324] vfs_read+0x27e/0x920
[ 133.829204][ T6324] ? kernel_read+0x1e0/0x1e0
[ 133.833821][ T6324] ? __fget_files+0x28/0x4d0
[ 133.838461][ T6324] ? __fget_files+0x44a/0x4d0
[ 133.843205][ T6324] ? __fdget_pos+0x2a3/0x330
[ 133.847826][ T6324] ? ksys_read+0x75/0x250
[ 133.852186][ T6324] ksys_read+0x147/0x250
[ 133.856459][ T6324] ? vfs_write+0x940/0x940
[ 133.860901][ T6324] ? lockdep_hardirqs_on+0x98/0x150
[ 133.866112][ T6324] do_syscall_64+0x55/0xb0
[ 133.870541][ T6324] ? clear_bhb_loop+0x40/0x90
[ 133.875231][ T6324] ? clear_bhb_loop+0x40/0x90
[ 133.879925][ T6324] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 133.885829][ T6324] RIP: 0033:0x7f1e4c98e15c
[ 133.890273][ T6324] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 133.909901][ T6324] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 133.918334][ T6324] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 133.926320][ T6324] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 133.934326][ T6324] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 133.942317][ T6324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 133.950302][ T6324] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 133.958301][ T6324]
[ 133.965632][ T6330] FAULT_INJECTION: forcing a failure.
[ 133.965632][ T6330] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 133.986495][ T6329] FAULT_INJECTION: forcing a failure.
[ 133.986495][ T6329] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 134.002284][ T6330] CPU: 1 PID: 6330 Comm: syz.1.157 Not tainted syzkaller #0
[ 134.009617][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 134.019707][ T6330] Call Trace:
[ 134.023012][ T6330]
[ 134.025960][ T6330] dump_stack_lvl+0x16c/0x230
[ 134.030665][ T6330] ? show_regs_print_info+0x20/0x20
[ 134.035885][ T6330] ? load_image+0x3b0/0x3b0
[ 134.040407][ T6330] ? __lock_acquire+0x7c80/0x7c80
[ 134.045453][ T6330] ? snprintf+0xdb/0x120
[ 134.049732][ T6330] should_fail_ex+0x39d/0x4d0
[ 134.054456][ T6330] _copy_to_user+0x2f/0xa0
[ 134.058893][ T6330] simple_read_from_buffer+0xe7/0x150
[ 134.064280][ T6330] proc_fail_nth_read+0x1e3/0x250
[ 134.069319][ T6330] ? proc_fault_inject_write+0x340/0x340
[ 134.074972][ T6330] ? fsnotify_perm+0x271/0x5e0
[ 134.079764][ T6330] ? proc_fault_inject_write+0x340/0x340
[ 134.085437][ T6330] vfs_read+0x27e/0x920
[ 134.089618][ T6330] ? kernel_read+0x1e0/0x1e0
[ 134.094217][ T6330] ? __fget_files+0x28/0x4d0
[ 134.098826][ T6330] ? __fget_files+0x44a/0x4d0
[ 134.103524][ T6330] ? __fdget_pos+0x2a3/0x330
[ 134.108154][ T6330] ? ksys_read+0x75/0x250
[ 134.112518][ T6330] ksys_read+0x147/0x250
[ 134.116778][ T6330] ? vfs_write+0x940/0x940
[ 134.121213][ T6330] ? lockdep_hardirqs_on+0x98/0x150
[ 134.126429][ T6330] do_syscall_64+0x55/0xb0
[ 134.130862][ T6330] ? clear_bhb_loop+0x40/0x90
[ 134.135544][ T6330] ? clear_bhb_loop+0x40/0x90
[ 134.140229][ T6330] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 134.146124][ T6330] RIP: 0033:0x7faa1e98e15c
[ 134.150562][ T6330] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 134.170177][ T6330] RSP: 002b:00007faa1f821030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 134.178601][ T6330] RAX: ffffffffffffffda RBX: 00007faa1ebe6090 RCX: 00007faa1e98e15c
[ 134.186582][ T6330] RDX: 000000000000000f RSI: 00007faa1f8210a0 RDI: 0000000000000003
[ 134.194562][ T6330] RBP: 00007faa1f821090 R08: 0000000000000000 R09: 0000000000000000
[ 134.202538][ T6330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 134.210521][ T6330] R13: 00007faa1ebe6128 R14: 00007faa1ebe6090 R15: 00007ffe1fe21f18
[ 134.218518][ T6330]
[ 134.233395][ T6331] FAULT_INJECTION: forcing a failure.
[ 134.233395][ T6331] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 134.235877][ T6329] CPU: 1 PID: 6329 Comm: syz.3.159 Not tainted syzkaller #0
[ 134.253774][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 134.263883][ T6329] Call Trace:
[ 134.267193][ T6329]
[ 134.270143][ T6329] dump_stack_lvl+0x16c/0x230
[ 134.274881][ T6329] ? show_regs_print_info+0x20/0x20
[ 134.280110][ T6329] ? load_image+0x3b0/0x3b0
[ 134.284666][ T6329] ? __lock_acquire+0x7c80/0x7c80
[ 134.289729][ T6329] ? snprintf+0xdb/0x120
[ 134.294025][ T6329] should_fail_ex+0x39d/0x4d0
[ 134.298736][ T6329] _copy_to_user+0x2f/0xa0
[ 134.303176][ T6329] simple_read_from_buffer+0xe7/0x150
[ 134.308601][ T6329] proc_fail_nth_read+0x1e3/0x250
[ 134.313671][ T6329] ? proc_fault_inject_write+0x340/0x340
[ 134.319359][ T6329] ? fsnotify_perm+0x271/0x5e0
[ 134.324177][ T6329] ? proc_fault_inject_write+0x340/0x340
[ 134.329874][ T6329] vfs_read+0x27e/0x920
[ 134.334083][ T6329] ? kernel_read+0x1e0/0x1e0
[ 134.338732][ T6329] ? __fget_files+0x28/0x4d0
[ 134.343379][ T6329] ? __fget_files+0x44a/0x4d0
[ 134.348104][ T6329] ? __fdget_pos+0x2a3/0x330
[ 134.352726][ T6329] ? ksys_read+0x75/0x250
[ 134.357105][ T6329] ksys_read+0x147/0x250
[ 134.361390][ T6329] ? vfs_write+0x940/0x940
[ 134.365847][ T6329] ? lockdep_hardirqs_on+0x98/0x150
[ 134.371090][ T6329] do_syscall_64+0x55/0xb0
[ 134.372228][ T6334] FAULT_INJECTION: forcing a failure.
[ 134.372228][ T6334] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 134.375531][ T6329] ? clear_bhb_loop+0x40/0x90
[ 134.375558][ T6329] ? clear_bhb_loop+0x40/0x90
[ 134.375583][ T6329] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 134.375607][ T6329] RIP: 0033:0x7f739038e15c
[ 134.375625][ T6329] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 134.375644][ T6329] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 134.436372][ T6329] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 134.444363][ T6329] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 134.452698][ T6329] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 134.460690][ T6329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 134.468671][ T6329] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 134.476677][ T6329]
[ 134.481026][ T6334] CPU: 1 PID: 6334 Comm: syz.1.161 Not tainted syzkaller #0
[ 134.488369][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 134.498467][ T6334] Call Trace:
[ 134.501775][ T6334]
[ 134.504729][ T6334] dump_stack_lvl+0x16c/0x230
[ 134.509441][ T6334] ? show_regs_print_info+0x20/0x20
[ 134.514672][ T6334] ? load_image+0x3b0/0x3b0
[ 134.519213][ T6334] ? __lock_acquire+0x7c80/0x7c80
[ 134.524276][ T6334] ? snprintf+0xdb/0x120
[ 134.528543][ T6334] should_fail_ex+0x39d/0x4d0
[ 134.533261][ T6334] _copy_to_user+0x2f/0xa0
[ 134.538323][ T6334] simple_read_from_buffer+0xe7/0x150
[ 134.543736][ T6334] proc_fail_nth_read+0x1e3/0x250
[ 134.548802][ T6334] ? proc_fault_inject_write+0x340/0x340
[ 134.554473][ T6334] ? fsnotify_perm+0x271/0x5e0
[ 134.559273][ T6334] ? proc_fault_inject_write+0x340/0x340
[ 134.564927][ T6334] vfs_read+0x27e/0x920
[ 134.569112][ T6334] ? kernel_read+0x1e0/0x1e0
[ 134.573728][ T6334] ? __fget_files+0x28/0x4d0
[ 134.578345][ T6334] ? __fget_files+0x44a/0x4d0
[ 134.583054][ T6334] ? __fdget_pos+0x2a3/0x330
[ 134.587667][ T6334] ? ksys_read+0x75/0x250
[ 134.592024][ T6334] ksys_read+0x147/0x250
[ 134.596290][ T6334] ? vfs_write+0x940/0x940
[ 134.600727][ T6334] ? lockdep_hardirqs_on+0x98/0x150
[ 134.605941][ T6334] do_syscall_64+0x55/0xb0
[ 134.610514][ T6334] ? clear_bhb_loop+0x40/0x90
[ 134.615215][ T6334] ? clear_bhb_loop+0x40/0x90
[ 134.619924][ T6334] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 134.625840][ T6334] RIP: 0033:0x7faa1e98e15c
[ 134.630266][ T6334] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 134.649890][ T6334] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 134.658323][ T6334] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 134.666306][ T6334] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 134.674299][ T6334] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 134.682289][ T6334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 134.690281][ T6334] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 134.698282][ T6334]
[ 134.722688][ T6331] CPU: 1 PID: 6331 Comm: syz.2.158 Not tainted syzkaller #0
[ 134.730031][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 134.740113][ T6331] Call Trace:
[ 134.743410][ T6331]
[ 134.746366][ T6331] dump_stack_lvl+0x16c/0x230
[ 134.751066][ T6331] ? show_regs_print_info+0x20/0x20
[ 134.756279][ T6331] ? load_image+0x3b0/0x3b0
[ 134.760798][ T6331] ? __lock_acquire+0x7c80/0x7c80
[ 134.765841][ T6331] ? snprintf+0xdb/0x120
[ 134.770099][ T6331] should_fail_ex+0x39d/0x4d0
[ 134.774805][ T6331] _copy_to_user+0x2f/0xa0
[ 134.779238][ T6331] simple_read_from_buffer+0xe7/0x150
[ 134.784696][ T6331] proc_fail_nth_read+0x1e3/0x250
[ 134.789762][ T6331] ? proc_fault_inject_write+0x340/0x340
[ 134.795426][ T6331] ? fsnotify_perm+0x271/0x5e0
[ 134.800222][ T6331] ? proc_fault_inject_write+0x340/0x340
[ 134.805871][ T6331] vfs_read+0x27e/0x920
[ 134.810048][ T6331] ? kernel_read+0x1e0/0x1e0
[ 134.814672][ T6331] ? __fget_files+0x28/0x4d0
[ 134.819283][ T6331] ? __fget_files+0x44a/0x4d0
[ 134.823987][ T6331] ? __fdget_pos+0x2a3/0x330
[ 134.828597][ T6331] ? ksys_read+0x75/0x250
[ 134.832960][ T6331] ksys_read+0x147/0x250
[ 134.837320][ T6331] ? vfs_write+0x940/0x940
[ 134.841755][ T6331] ? lockdep_hardirqs_on+0x98/0x150
[ 134.846979][ T6331] do_syscall_64+0x55/0xb0
[ 134.851419][ T6331] ? clear_bhb_loop+0x40/0x90
[ 134.856127][ T6331] ? clear_bhb_loop+0x40/0x90
[ 134.860841][ T6331] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 134.866755][ T6331] RIP: 0033:0x7f2949b8e15c
[ 134.871193][ T6331] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 134.890829][ T6331] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 134.899280][ T6331] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 134.907263][ T6331] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 134.915242][ T6331] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 134.923223][ T6331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 134.931220][ T6331] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 134.939229][ T6331]
[ 134.949970][ T6335] FAULT_INJECTION: forcing a failure.
[ 134.949970][ T6335] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 134.994412][ T6335] CPU: 1 PID: 6335 Comm: syz.0.160 Not tainted syzkaller #0
[ 135.001793][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 135.011900][ T6335] Call Trace:
[ 135.015222][ T6335]
[ 135.018191][ T6335] dump_stack_lvl+0x16c/0x230
[ 135.022928][ T6335] ? show_regs_print_info+0x20/0x20
[ 135.028180][ T6335] ? load_image+0x3b0/0x3b0
[ 135.032744][ T6335] ? __lock_acquire+0x7c80/0x7c80
[ 135.037814][ T6335] ? snprintf+0xdb/0x120
[ 135.042084][ T6335] should_fail_ex+0x39d/0x4d0
[ 135.046809][ T6335] _copy_to_user+0x2f/0xa0
[ 135.051249][ T6335] simple_read_from_buffer+0xe7/0x150
[ 135.056649][ T6335] proc_fail_nth_read+0x1e3/0x250
[ 135.061709][ T6335] ? proc_fault_inject_write+0x340/0x340
[ 135.067364][ T6335] ? fsnotify_perm+0x271/0x5e0
[ 135.072147][ T6335] ? proc_fault_inject_write+0x340/0x340
[ 135.077796][ T6335] vfs_read+0x27e/0x920
[ 135.081973][ T6335] ? kernel_read+0x1e0/0x1e0
[ 135.086582][ T6335] ? __fget_files+0x28/0x4d0
[ 135.091191][ T6335] ? __fget_files+0x44a/0x4d0
[ 135.095916][ T6335] ? __fdget_pos+0x2a3/0x330
[ 135.100566][ T6335] ? ksys_read+0x75/0x250
[ 135.104918][ T6335] ksys_read+0x147/0x250
[ 135.109183][ T6335] ? vfs_write+0x940/0x940
[ 135.113632][ T6335] ? lockdep_hardirqs_on+0x98/0x150
[ 135.118861][ T6335] do_syscall_64+0x55/0xb0
[ 135.123292][ T6335] ? clear_bhb_loop+0x40/0x90
[ 135.127982][ T6335] ? clear_bhb_loop+0x40/0x90
[ 135.132672][ T6335] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 135.138576][ T6335] RIP: 0033:0x7f1e4c98e15c
[ 135.142997][ T6335] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 135.162606][ T6335] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 135.171030][ T6335] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 135.179184][ T6335] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 135.187196][ T6335] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 135.195202][ T6335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 135.203185][ T6335] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 135.211179][ T6335]
[ 135.217345][ T6338] FAULT_INJECTION: forcing a failure.
[ 135.217345][ T6338] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 135.232544][ T6339] FAULT_INJECTION: forcing a failure.
[ 135.232544][ T6339] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 135.245405][ T6341] FAULT_INJECTION: forcing a failure.
[ 135.245405][ T6341] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 135.253719][ T6339] CPU: 0 PID: 6339 Comm: syz.3.163 Not tainted syzkaller #0
[ 135.265914][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 135.275986][ T6339] Call Trace:
[ 135.279269][ T6339]
[ 135.282206][ T6339] dump_stack_lvl+0x16c/0x230
[ 135.286917][ T6339] ? show_regs_print_info+0x20/0x20
[ 135.292128][ T6339] ? load_image+0x3b0/0x3b0
[ 135.296659][ T6339] ? __lock_acquire+0x7c80/0x7c80
[ 135.301705][ T6339] ? snprintf+0xdb/0x120
[ 135.305981][ T6339] should_fail_ex+0x39d/0x4d0
[ 135.310681][ T6339] _copy_to_user+0x2f/0xa0
[ 135.315121][ T6339] simple_read_from_buffer+0xe7/0x150
[ 135.320517][ T6339] proc_fail_nth_read+0x1e3/0x250
[ 135.325561][ T6339] ? proc_fault_inject_write+0x340/0x340
[ 135.331214][ T6339] ? fsnotify_perm+0x271/0x5e0
[ 135.335998][ T6339] ? proc_fault_inject_write+0x340/0x340
[ 135.341646][ T6339] vfs_read+0x27e/0x920
[ 135.345830][ T6339] ? kernel_read+0x1e0/0x1e0
[ 135.350438][ T6339] ? __fget_files+0x28/0x4d0
[ 135.355042][ T6339] ? __fget_files+0x44a/0x4d0
[ 135.359739][ T6339] ? __fdget_pos+0x2a3/0x330
[ 135.364339][ T6339] ? ksys_read+0x75/0x250
[ 135.368691][ T6339] ksys_read+0x147/0x250
[ 135.372953][ T6339] ? vfs_write+0x940/0x940
[ 135.377387][ T6339] ? lockdep_hardirqs_on+0x98/0x150
[ 135.382602][ T6339] do_syscall_64+0x55/0xb0
[ 135.387039][ T6339] ? clear_bhb_loop+0x40/0x90
[ 135.391735][ T6339] ? clear_bhb_loop+0x40/0x90
[ 135.396448][ T6339] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 135.402350][ T6339] RIP: 0033:0x7f739038e15c
[ 135.406789][ T6339] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 135.426410][ T6339] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 135.434836][ T6339] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 135.442833][ T6339] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 135.450824][ T6339] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 135.458821][ T6339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 135.466807][ T6339] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 135.474805][ T6339]
[ 135.478026][ T6338] CPU: 1 PID: 6338 Comm: syz.1.162 Not tainted syzkaller #0
[ 135.485446][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 135.495569][ T6338] Call Trace:
[ 135.498877][ T6338]
[ 135.501848][ T6338] dump_stack_lvl+0x16c/0x230
[ 135.506662][ T6338] ? show_regs_print_info+0x20/0x20
[ 135.511913][ T6338] ? load_image+0x3b0/0x3b0
[ 135.516465][ T6338] ? __lock_acquire+0x7c80/0x7c80
[ 135.521594][ T6338] ? snprintf+0xdb/0x120
[ 135.525875][ T6338] should_fail_ex+0x39d/0x4d0
[ 135.530591][ T6338] _copy_to_user+0x2f/0xa0
[ 135.535027][ T6338] simple_read_from_buffer+0xe7/0x150
[ 135.540431][ T6338] proc_fail_nth_read+0x1e3/0x250
[ 135.545498][ T6338] ? proc_fault_inject_write+0x340/0x340
[ 135.551272][ T6338] ? fsnotify_perm+0x271/0x5e0
[ 135.556083][ T6338] ? proc_fault_inject_write+0x340/0x340
[ 135.561749][ T6338] vfs_read+0x27e/0x920
[ 135.565951][ T6338] ? kernel_read+0x1e0/0x1e0
[ 135.570588][ T6338] ? __fget_files+0x28/0x4d0
[ 135.575223][ T6338] ? __fget_files+0x44a/0x4d0
[ 135.579951][ T6338] ? __fdget_pos+0x2a3/0x330
[ 135.584581][ T6338] ? ksys_read+0x75/0x250
[ 135.588962][ T6338] ksys_read+0x147/0x250
[ 135.593260][ T6338] ? vfs_write+0x940/0x940
[ 135.597746][ T6338] ? lockdep_hardirqs_on+0x98/0x150
[ 135.602988][ T6338] do_syscall_64+0x55/0xb0
[ 135.607446][ T6338] ? clear_bhb_loop+0x40/0x90
[ 135.612153][ T6338] ? clear_bhb_loop+0x40/0x90
[ 135.616858][ T6338] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 135.622773][ T6338] RIP: 0033:0x7faa1e98e15c
[ 135.627215][ T6338] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 135.646874][ T6338] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 135.655330][ T6338] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 135.663350][ T6338] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 135.671339][ T6338] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 135.679330][ T6338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 135.687335][ T6338] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 135.695356][ T6338]
[ 135.702164][ T6341] CPU: 0 PID: 6341 Comm: syz.2.164 Not tainted syzkaller #0
[ 135.709513][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 135.719585][ T6341] Call Trace:
[ 135.722876][ T6341]
[ 135.725828][ T6341] dump_stack_lvl+0x16c/0x230
[ 135.730538][ T6341] ? show_regs_print_info+0x20/0x20
[ 135.735757][ T6341] ? load_image+0x3b0/0x3b0
[ 135.740273][ T6341] ? __lock_acquire+0x7c80/0x7c80
[ 135.745312][ T6341] ? snprintf+0xdb/0x120
[ 135.749569][ T6341] should_fail_ex+0x39d/0x4d0
[ 135.754273][ T6341] _copy_to_user+0x2f/0xa0
[ 135.758703][ T6341] simple_read_from_buffer+0xe7/0x150
[ 135.764099][ T6341] proc_fail_nth_read+0x1e3/0x250
[ 135.769150][ T6341] ? proc_fault_inject_write+0x340/0x340
[ 135.774806][ T6341] ? fsnotify_perm+0x271/0x5e0
[ 135.779590][ T6341] ? proc_fault_inject_write+0x340/0x340
[ 135.785236][ T6341] vfs_read+0x27e/0x920
[ 135.789431][ T6341] ? kernel_read+0x1e0/0x1e0
[ 135.794046][ T6341] ? __fget_files+0x28/0x4d0
[ 135.798649][ T6341] ? __fget_files+0x44a/0x4d0
[ 135.803342][ T6341] ? __fdget_pos+0x2a3/0x330
[ 135.807941][ T6341] ? ksys_read+0x75/0x250
[ 135.812287][ T6341] ksys_read+0x147/0x250
[ 135.816551][ T6341] ? vfs_write+0x940/0x940
[ 135.820994][ T6341] ? lockdep_hardirqs_on+0x98/0x150
[ 135.826228][ T6341] do_syscall_64+0x55/0xb0
[ 135.830663][ T6341] ? clear_bhb_loop+0x40/0x90
[ 135.835364][ T6341] ? clear_bhb_loop+0x40/0x90
[ 135.840059][ T6341] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 135.845977][ T6341] RIP: 0033:0x7f2949b8e15c
[ 135.850409][ T6341] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 135.870040][ T6341] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 135.878474][ T6341] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 135.886467][ T6341] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 135.894456][ T6341] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 135.902466][ T6341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 135.910479][ T6341] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 135.918501][ T6341]
[ 135.952929][ T6343] FAULT_INJECTION: forcing a failure.
[ 135.952929][ T6343] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 135.971748][ T6343] CPU: 1 PID: 6343 Comm: syz.0.165 Not tainted syzkaller #0
[ 135.979103][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 135.989230][ T6343] Call Trace:
[ 135.992559][ T6343]
[ 135.995535][ T6343] dump_stack_lvl+0x16c/0x230
[ 136.000267][ T6343] ? show_regs_print_info+0x20/0x20
[ 136.005538][ T6343] ? load_image+0x3b0/0x3b0
[ 136.010096][ T6343] ? __lock_acquire+0x7c80/0x7c80
[ 136.015174][ T6343] ? snprintf+0xdb/0x120
[ 136.019473][ T6343] should_fail_ex+0x39d/0x4d0
[ 136.024208][ T6343] _copy_to_user+0x2f/0xa0
[ 136.028672][ T6343] simple_read_from_buffer+0xe7/0x150
[ 136.034106][ T6343] proc_fail_nth_read+0x1e3/0x250
[ 136.039189][ T6343] ? proc_fault_inject_write+0x340/0x340
[ 136.044893][ T6343] ? fsnotify_perm+0x271/0x5e0
[ 136.049706][ T6343] ? proc_fault_inject_write+0x340/0x340
[ 136.055385][ T6343] vfs_read+0x27e/0x920
[ 136.059586][ T6343] ? kernel_read+0x1e0/0x1e0
[ 136.064213][ T6343] ? __fget_files+0x28/0x4d0
[ 136.068825][ T6343] ? __fget_files+0x44a/0x4d0
[ 136.073542][ T6343] ? __fdget_pos+0x2a3/0x330
[ 136.078184][ T6343] ? ksys_read+0x75/0x250
[ 136.082576][ T6343] ksys_read+0x147/0x250
[ 136.086841][ T6343] ? vfs_write+0x940/0x940
[ 136.091294][ T6343] ? lockdep_hardirqs_on+0x98/0x150
[ 136.096516][ T6343] do_syscall_64+0x55/0xb0
[ 136.100965][ T6343] ? clear_bhb_loop+0x40/0x90
[ 136.105671][ T6343] ? clear_bhb_loop+0x40/0x90
[ 136.110362][ T6343] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 136.116267][ T6343] RIP: 0033:0x7f1e4c98e15c
[ 136.120705][ T6343] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 136.140329][ T6343] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 136.148752][ T6343] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 136.156760][ T6343] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000004
[ 136.164746][ T6343] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 136.172729][ T6343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 136.180718][ T6343] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 136.188744][ T6343]
[ 136.205796][ T6350] FAULT_INJECTION: forcing a failure.
[ 136.205796][ T6350] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 136.220344][ T6350] CPU: 0 PID: 6350 Comm: syz.2.168 Not tainted syzkaller #0
[ 136.227683][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 136.237849][ T6350] Call Trace:
[ 136.241140][ T6350]
[ 136.244082][ T6350] dump_stack_lvl+0x16c/0x230
[ 136.248798][ T6350] ? show_regs_print_info+0x20/0x20
[ 136.254011][ T6350] ? load_image+0x3b0/0x3b0
[ 136.258536][ T6350] ? __lock_acquire+0x7c80/0x7c80
[ 136.263576][ T6350] ? snprintf+0xdb/0x120
[ 136.267836][ T6350] should_fail_ex+0x39d/0x4d0
[ 136.272539][ T6350] _copy_to_user+0x2f/0xa0
[ 136.276975][ T6350] simple_read_from_buffer+0xe7/0x150
[ 136.282372][ T6350] proc_fail_nth_read+0x1e3/0x250
[ 136.287414][ T6350] ? proc_fault_inject_write+0x340/0x340
[ 136.293070][ T6350] ? fsnotify_perm+0x271/0x5e0
[ 136.297854][ T6350] ? proc_fault_inject_write+0x340/0x340
[ 136.303507][ T6350] vfs_read+0x27e/0x920
[ 136.307691][ T6350] ? kernel_read+0x1e0/0x1e0
[ 136.312309][ T6350] ? __fget_files+0x28/0x4d0
[ 136.316922][ T6350] ? __fget_files+0x44a/0x4d0
[ 136.321622][ T6350] ? __fdget_pos+0x2a3/0x330
[ 136.326317][ T6350] ? ksys_read+0x75/0x250
[ 136.330673][ T6350] ksys_read+0x147/0x250
[ 136.334941][ T6350] ? vfs_write+0x940/0x940
[ 136.339381][ T6350] ? lockdep_hardirqs_on+0x98/0x150
[ 136.344611][ T6350] do_syscall_64+0x55/0xb0
[ 136.349049][ T6350] ? clear_bhb_loop+0x40/0x90
[ 136.353741][ T6350] ? clear_bhb_loop+0x40/0x90
[ 136.358438][ T6350] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 136.364345][ T6350] RIP: 0033:0x7f2949b8e15c
[ 136.368780][ T6350] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 136.388399][ T6350] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 136.396848][ T6350] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 136.404849][ T6350] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 136.412862][ T6350] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 136.420863][ T6350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 136.428854][ T6350] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 136.437220][ T6350]
[ 136.458089][ T6352] FAULT_INJECTION: forcing a failure.
[ 136.458089][ T6352] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 136.496668][ T6346] FAULT_INJECTION: forcing a failure.
[ 136.496668][ T6346] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 136.504083][ T6352] CPU: 1 PID: 6352 Comm: syz.1.167 Not tainted syzkaller #0
[ 136.517116][ T6352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 136.527209][ T6352] Call Trace:
[ 136.530536][ T6352]
[ 136.533497][ T6352] dump_stack_lvl+0x16c/0x230
[ 136.538219][ T6352] ? show_regs_print_info+0x20/0x20
[ 136.543455][ T6352] ? load_image+0x3b0/0x3b0
[ 136.547994][ T6352] ? __lock_acquire+0x7c80/0x7c80
[ 136.553044][ T6352] ? snprintf+0xdb/0x120
[ 136.557322][ T6352] should_fail_ex+0x39d/0x4d0
[ 136.562035][ T6352] _copy_to_user+0x2f/0xa0
[ 136.566474][ T6352] simple_read_from_buffer+0xe7/0x150
[ 136.571877][ T6352] proc_fail_nth_read+0x1e3/0x250
[ 136.576942][ T6352] ? proc_fault_inject_write+0x340/0x340
[ 136.582605][ T6352] ? fsnotify_perm+0x271/0x5e0
[ 136.587412][ T6352] ? proc_fault_inject_write+0x340/0x340
[ 136.593114][ T6352] vfs_read+0x27e/0x920
[ 136.597319][ T6352] ? kernel_read+0x1e0/0x1e0
[ 136.601946][ T6352] ? __fget_files+0x28/0x4d0
[ 136.606558][ T6352] ? __fget_files+0x44a/0x4d0
[ 136.611285][ T6352] ? __fdget_pos+0x2a3/0x330
[ 136.615905][ T6352] ? ksys_read+0x75/0x250
[ 136.620300][ T6352] ksys_read+0x147/0x250
[ 136.624577][ T6352] ? vfs_write+0x940/0x940
[ 136.629028][ T6352] ? lockdep_hardirqs_on+0x98/0x150
[ 136.634253][ T6352] do_syscall_64+0x55/0xb0
[ 136.638696][ T6352] ? clear_bhb_loop+0x40/0x90
[ 136.643395][ T6352] ? clear_bhb_loop+0x40/0x90
[ 136.648102][ T6352] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 136.654016][ T6352] RIP: 0033:0x7faa1e98e15c
[ 136.658450][ T6352] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 136.678073][ T6352] RSP: 002b:00007faa1f821030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 136.686527][ T6352] RAX: ffffffffffffffda RBX: 00007faa1ebe6090 RCX: 00007faa1e98e15c
[ 136.694513][ T6352] RDX: 000000000000000f RSI: 00007faa1f8210a0 RDI: 0000000000000003
[ 136.702613][ T6352] RBP: 00007faa1f821090 R08: 0000000000000000 R09: 0000000000000000
[ 136.710598][ T6352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 136.718605][ T6352] R13: 00007faa1ebe6128 R14: 00007faa1ebe6090 R15: 00007ffe1fe21f18
[ 136.726624][ T6352]
[ 136.729967][ T6346] CPU: 0 PID: 6346 Comm: syz.3.166 Not tainted syzkaller #0
[ 136.737506][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 136.747582][ T6346] Call Trace:
[ 136.750878][ T6346]
[ 136.753874][ T6346] dump_stack_lvl+0x16c/0x230
[ 136.758587][ T6346] ? show_regs_print_info+0x20/0x20
[ 136.763811][ T6346] ? load_image+0x3b0/0x3b0
[ 136.768356][ T6346] ? __lock_acquire+0x7c80/0x7c80
[ 136.773408][ T6346] ? snprintf+0xdb/0x120
[ 136.777667][ T6346] should_fail_ex+0x39d/0x4d0
[ 136.782370][ T6346] _copy_to_user+0x2f/0xa0
[ 136.786809][ T6346] simple_read_from_buffer+0xe7/0x150
[ 136.792221][ T6346] proc_fail_nth_read+0x1e3/0x250
[ 136.797264][ T6346] ? proc_fault_inject_write+0x340/0x340
[ 136.802920][ T6346] ? fsnotify_perm+0x271/0x5e0
[ 136.807704][ T6346] ? proc_fault_inject_write+0x340/0x340
[ 136.813358][ T6346] vfs_read+0x27e/0x920
[ 136.817551][ T6346] ? kernel_read+0x1e0/0x1e0
[ 136.822157][ T6346] ? __fget_files+0x28/0x4d0
[ 136.826763][ T6346] ? __fget_files+0x44a/0x4d0
[ 136.831465][ T6346] ? __fdget_pos+0x2a3/0x330
[ 136.836063][ T6346] ? ksys_read+0x75/0x250
[ 136.840442][ T6346] ksys_read+0x147/0x250
[ 136.844713][ T6346] ? vfs_write+0x940/0x940
[ 136.849156][ T6346] ? lockdep_hardirqs_on+0x98/0x150
[ 136.854370][ T6346] do_syscall_64+0x55/0xb0
[ 136.858828][ T6346] ? clear_bhb_loop+0x40/0x90
[ 136.863523][ T6346] ? clear_bhb_loop+0x40/0x90
[ 136.868217][ T6346] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 136.874134][ T6346] RIP: 0033:0x7f739038e15c
[ 136.878571][ T6346] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 136.898183][ T6346] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 136.906612][ T6346] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 136.914594][ T6346] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 136.922574][ T6346] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 136.930550][ T6346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 136.938530][ T6346] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 136.946528][ T6346]
[ 136.960093][ T6357] FAULT_INJECTION: forcing a failure.
[ 136.960093][ T6357] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 136.983267][ T6356] FAULT_INJECTION: forcing a failure.
[ 136.983267][ T6356] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 136.986890][ T6357] CPU: 1 PID: 6357 Comm: syz.0.169 Not tainted syzkaller #0
[ 137.003673][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 137.013755][ T6357] Call Trace:
[ 137.017052][ T6357]
[ 137.019998][ T6357] dump_stack_lvl+0x16c/0x230
[ 137.024718][ T6357] ? show_regs_print_info+0x20/0x20
[ 137.029950][ T6357] ? load_image+0x3b0/0x3b0
[ 137.034477][ T6357] ? __lock_acquire+0x7c80/0x7c80
[ 137.039522][ T6357] ? snprintf+0xdb/0x120
[ 137.043790][ T6357] should_fail_ex+0x39d/0x4d0
[ 137.048505][ T6357] _copy_to_user+0x2f/0xa0
[ 137.052943][ T6357] simple_read_from_buffer+0xe7/0x150
[ 137.058353][ T6357] proc_fail_nth_read+0x1e3/0x250
[ 137.063410][ T6357] ? proc_fault_inject_write+0x340/0x340
[ 137.069076][ T6357] ? fsnotify_perm+0x271/0x5e0
[ 137.073898][ T6357] ? proc_fault_inject_write+0x340/0x340
[ 137.079553][ T6357] vfs_read+0x27e/0x920
[ 137.083743][ T6357] ? kernel_read+0x1e0/0x1e0
[ 137.088369][ T6357] ? __fget_files+0x28/0x4d0
[ 137.092985][ T6357] ? __fget_files+0x44a/0x4d0
[ 137.097689][ T6357] ? __fdget_pos+0x2a3/0x330
[ 137.102305][ T6357] ? ksys_read+0x75/0x250
[ 137.106660][ T6357] ksys_read+0x147/0x250
[ 137.110931][ T6357] ? vfs_write+0x940/0x940
[ 137.115373][ T6357] ? lockdep_hardirqs_on+0x98/0x150
[ 137.120599][ T6357] do_syscall_64+0x55/0xb0
[ 137.125058][ T6357] ? clear_bhb_loop+0x40/0x90
[ 137.129757][ T6357] ? clear_bhb_loop+0x40/0x90
[ 137.134464][ T6357] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 137.140391][ T6357] RIP: 0033:0x7f1e4c98e15c
[ 137.144838][ T6357] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 137.164486][ T6357] RSP: 002b:00007f1e4d825030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 137.173185][ T6357] RAX: ffffffffffffffda RBX: 00007f1e4cbe6090 RCX: 00007f1e4c98e15c
[ 137.181178][ T6357] RDX: 000000000000000f RSI: 00007f1e4d8250a0 RDI: 0000000000000003
[ 137.189172][ T6357] RBP: 00007f1e4d825090 R08: 0000000000000000 R09: 0000000000000000
[ 137.197170][ T6357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 137.205163][ T6357] R13: 00007f1e4cbe6128 R14: 00007f1e4cbe6090 R15: 00007ffefd056ed8
[ 137.213170][ T6357]
[ 137.229688][ T6356] CPU: 1 PID: 6356 Comm: syz.2.170 Not tainted syzkaller #0
[ 137.237045][ T6356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 137.247129][ T6356] Call Trace:
[ 137.250442][ T6356]
[ 137.253408][ T6356] dump_stack_lvl+0x16c/0x230
2025/12/01 19:54:36 executed programs: 163
[ 137.258137][ T6356] ? show_regs_print_info+0x20/0x20
[ 137.263383][ T6356] ? load_image+0x3b0/0x3b0
[ 137.267932][ T6356] ? __lock_acquire+0x7c80/0x7c80
[ 137.273005][ T6356] ? snprintf+0xdb/0x120
[ 137.277292][ T6356] should_fail_ex+0x39d/0x4d0
[ 137.282020][ T6356] _copy_to_user+0x2f/0xa0
[ 137.286479][ T6356] simple_read_from_buffer+0xe7/0x150
[ 137.291907][ T6356] proc_fail_nth_read+0x1e3/0x250
[ 137.296981][ T6356] ? proc_fault_inject_write+0x340/0x340
[ 137.302666][ T6356] ? fsnotify_perm+0x271/0x5e0
[ 137.307477][ T6356] ? proc_fault_inject_write+0x340/0x340
[ 137.313157][ T6356] vfs_read+0x27e/0x920
[ 137.317356][ T6356] ? kernel_read+0x1e0/0x1e0
[ 137.321991][ T6356] ? __fget_files+0x28/0x4d0
[ 137.326621][ T6356] ? __fget_files+0x44a/0x4d0
[ 137.331332][ T6356] ? __fdget_pos+0x2a3/0x330
[ 137.335935][ T6356] ? ksys_read+0x75/0x250
[ 137.340282][ T6356] ksys_read+0x147/0x250
[ 137.344530][ T6356] ? vfs_write+0x940/0x940
[ 137.348965][ T6356] ? lockdep_hardirqs_on+0x98/0x150
[ 137.354203][ T6356] do_syscall_64+0x55/0xb0
[ 137.358674][ T6356] ? clear_bhb_loop+0x40/0x90
[ 137.363380][ T6356] ? clear_bhb_loop+0x40/0x90
[ 137.368067][ T6356] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 137.373979][ T6356] RIP: 0033:0x7f2949b8e15c
[ 137.378407][ T6356] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 137.398029][ T6356] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 137.406450][ T6356] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 137.414439][ T6356] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 137.422432][ T6356] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 137.430421][ T6356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 137.438422][ T6356] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 137.446521][ T6356]
[ 137.460754][ T6359] FAULT_INJECTION: forcing a failure.
[ 137.460754][ T6359] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 137.480830][ T6359] CPU: 0 PID: 6359 Comm: syz.1.171 Not tainted syzkaller #0
[ 137.488161][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 137.498299][ T6359] Call Trace:
[ 137.501602][ T6359]
[ 137.504568][ T6359] dump_stack_lvl+0x16c/0x230
[ 137.509309][ T6359] ? show_regs_print_info+0x20/0x20
[ 137.514559][ T6359] ? load_image+0x3b0/0x3b0
[ 137.519113][ T6359] ? __lock_acquire+0x7c80/0x7c80
[ 137.524173][ T6359] ? snprintf+0xdb/0x120
[ 137.528447][ T6359] should_fail_ex+0x39d/0x4d0
[ 137.533163][ T6359] _copy_to_user+0x2f/0xa0
[ 137.537603][ T6359] simple_read_from_buffer+0xe7/0x150
[ 137.542990][ T6359] proc_fail_nth_read+0x1e3/0x250
[ 137.548041][ T6359] ? proc_fault_inject_write+0x340/0x340
[ 137.553751][ T6359] ? fsnotify_perm+0x271/0x5e0
[ 137.558554][ T6359] ? proc_fault_inject_write+0x340/0x340
[ 137.564205][ T6359] vfs_read+0x27e/0x920
[ 137.568381][ T6359] ? kernel_read+0x1e0/0x1e0
[ 137.572995][ T6359] ? __fget_files+0x28/0x4d0
[ 137.577640][ T6359] ? __fget_files+0x44a/0x4d0
[ 137.582345][ T6359] ? __fdget_pos+0x2a3/0x330
[ 137.586948][ T6359] ? ksys_read+0x75/0x250
[ 137.591296][ T6359] ksys_read+0x147/0x250
[ 137.595566][ T6359] ? vfs_write+0x940/0x940
[ 137.600002][ T6359] ? lockdep_hardirqs_on+0x98/0x150
[ 137.605206][ T6359] do_syscall_64+0x55/0xb0
[ 137.609651][ T6359] ? clear_bhb_loop+0x40/0x90
[ 137.614338][ T6359] ? clear_bhb_loop+0x40/0x90
[ 137.619034][ T6359] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 137.624941][ T6359] RIP: 0033:0x7faa1e98e15c
[ 137.629367][ T6359] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 137.648980][ T6359] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 137.657441][ T6359] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 137.665436][ T6359] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000004
[ 137.673410][ T6359] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 137.681409][ T6359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 137.689390][ T6359] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 137.697393][ T6359]
[ 137.708989][ T6363] FAULT_INJECTION: forcing a failure.
[ 137.708989][ T6363] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 137.708989][ T6366] FAULT_INJECTION: forcing a failure.
[ 137.708989][ T6366] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 137.709015][ T6366] CPU: 1 PID: 6366 Comm: syz.2.174 Not tainted syzkaller #0
[ 137.742361][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 137.752443][ T6366] Call Trace:
[ 137.755748][ T6366]
[ 137.758713][ T6366] dump_stack_lvl+0x16c/0x230
[ 137.763439][ T6366] ? show_regs_print_info+0x20/0x20
[ 137.768667][ T6366] ? load_image+0x3b0/0x3b0
[ 137.773192][ T6366] ? __lock_acquire+0x7c80/0x7c80
[ 137.778232][ T6366] ? snprintf+0xdb/0x120
[ 137.782493][ T6366] should_fail_ex+0x39d/0x4d0
[ 137.787203][ T6366] _copy_to_user+0x2f/0xa0
[ 137.791644][ T6366] simple_read_from_buffer+0xe7/0x150
[ 137.797045][ T6366] proc_fail_nth_read+0x1e3/0x250
[ 137.802100][ T6366] ? proc_fault_inject_write+0x340/0x340
[ 137.807759][ T6366] ? fsnotify_perm+0x271/0x5e0
[ 137.812545][ T6366] ? proc_fault_inject_write+0x340/0x340
[ 137.818216][ T6366] vfs_read+0x27e/0x920
[ 137.821124][ T6364] FAULT_INJECTION: forcing a failure.
[ 137.821124][ T6364] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 137.822407][ T6366] ? kernel_read+0x1e0/0x1e0
[ 137.840070][ T6366] ? __fget_files+0x28/0x4d0
[ 137.844694][ T6366] ? __fget_files+0x44a/0x4d0
[ 137.849419][ T6366] ? __fdget_pos+0x2a3/0x330
[ 137.854046][ T6366] ? ksys_read+0x75/0x250
[ 137.858409][ T6366] ksys_read+0x147/0x250
[ 137.862679][ T6366] ? vfs_write+0x940/0x940
[ 137.867136][ T6366] ? lockdep_hardirqs_on+0x98/0x150
[ 137.872375][ T6366] do_syscall_64+0x55/0xb0
[ 137.876867][ T6366] ? clear_bhb_loop+0x40/0x90
[ 137.881586][ T6366] ? clear_bhb_loop+0x40/0x90
[ 137.886301][ T6366] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 137.892215][ T6366] RIP: 0033:0x7f2949b8e15c
[ 137.896661][ T6366] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 137.916315][ T6366] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 137.924769][ T6366] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 137.932786][ T6366] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 137.940784][ T6366] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 137.948787][ T6366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 137.956785][ T6366] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 137.964810][ T6366]
[ 137.971728][ T6368] FAULT_INJECTION: forcing a failure.
[ 137.971728][ T6368] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 137.984979][ T6364] CPU: 1 PID: 6364 Comm: syz.3.172 Not tainted syzkaller #0
[ 137.992307][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 138.002394][ T6364] Call Trace:
[ 138.005698][ T6364]
[ 138.008651][ T6364] dump_stack_lvl+0x16c/0x230
[ 138.013386][ T6364] ? show_regs_print_info+0x20/0x20
[ 138.018608][ T6364] ? load_image+0x3b0/0x3b0
[ 138.023136][ T6364] ? __lock_acquire+0x7c80/0x7c80
[ 138.028189][ T6364] ? snprintf+0xdb/0x120
[ 138.032456][ T6364] should_fail_ex+0x39d/0x4d0
[ 138.037193][ T6364] _copy_to_user+0x2f/0xa0
[ 138.041641][ T6364] simple_read_from_buffer+0xe7/0x150
[ 138.047072][ T6364] proc_fail_nth_read+0x1e3/0x250
[ 138.052126][ T6364] ? proc_fault_inject_write+0x340/0x340
[ 138.057787][ T6364] ? fsnotify_perm+0x271/0x5e0
[ 138.062583][ T6364] ? proc_fault_inject_write+0x340/0x340
[ 138.068241][ T6364] vfs_read+0x27e/0x920
[ 138.072423][ T6364] ? kernel_read+0x1e0/0x1e0
[ 138.077042][ T6364] ? __fget_files+0x28/0x4d0
[ 138.081672][ T6364] ? __fget_files+0x44a/0x4d0
[ 138.086375][ T6364] ? __fdget_pos+0x2a3/0x330
[ 138.090984][ T6364] ? ksys_read+0x75/0x250
[ 138.095344][ T6364] ksys_read+0x147/0x250
[ 138.099612][ T6364] ? vfs_write+0x940/0x940
[ 138.104050][ T6364] ? lockdep_hardirqs_on+0x98/0x150
[ 138.109266][ T6364] do_syscall_64+0x55/0xb0
[ 138.113725][ T6364] ? clear_bhb_loop+0x40/0x90
[ 138.118419][ T6364] ? clear_bhb_loop+0x40/0x90
[ 138.123113][ T6364] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 138.129022][ T6364] RIP: 0033:0x7f739038e15c
[ 138.133458][ T6364] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 138.153090][ T6364] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 138.161522][ T6364] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 138.169518][ T6364] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 138.177512][ T6364] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 138.185511][ T6364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 138.193509][ T6364] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 138.201527][ T6364]
[ 138.204770][ T6363] CPU: 0 PID: 6363 Comm: syz.0.173 Not tainted syzkaller #0
[ 138.212107][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 138.222196][ T6363] Call Trace:
[ 138.225506][ T6363]
[ 138.228475][ T6363] dump_stack_lvl+0x16c/0x230
[ 138.233200][ T6363] ? show_regs_print_info+0x20/0x20
[ 138.238442][ T6363] ? load_image+0x3b0/0x3b0
[ 138.242988][ T6363] ? __lock_acquire+0x7c80/0x7c80
[ 138.248046][ T6363] ? snprintf+0xdb/0x120
[ 138.252755][ T6363] should_fail_ex+0x39d/0x4d0
[ 138.257481][ T6363] _copy_to_user+0x2f/0xa0
[ 138.261945][ T6363] simple_read_from_buffer+0xe7/0x150
[ 138.267366][ T6363] proc_fail_nth_read+0x1e3/0x250
[ 138.272432][ T6363] ? proc_fault_inject_write+0x340/0x340
[ 138.278106][ T6363] ? fsnotify_perm+0x271/0x5e0
[ 138.282903][ T6363] ? proc_fault_inject_write+0x340/0x340
[ 138.288571][ T6363] vfs_read+0x27e/0x920
[ 138.292776][ T6363] ? kernel_read+0x1e0/0x1e0
[ 138.297405][ T6363] ? __fget_files+0x28/0x4d0
[ 138.302035][ T6363] ? __fget_files+0x44a/0x4d0
[ 138.306765][ T6363] ? __fdget_pos+0x2a3/0x330
[ 138.311402][ T6363] ? ksys_read+0x75/0x250
[ 138.315782][ T6363] ksys_read+0x147/0x250
[ 138.320074][ T6363] ? vfs_write+0x940/0x940
[ 138.324542][ T6363] ? lockdep_hardirqs_on+0x98/0x150
[ 138.329782][ T6363] do_syscall_64+0x55/0xb0
[ 138.334225][ T6363] ? clear_bhb_loop+0x40/0x90
[ 138.338929][ T6363] ? clear_bhb_loop+0x40/0x90
[ 138.343628][ T6363] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 138.349562][ T6363] RIP: 0033:0x7f1e4c98e15c
[ 138.354015][ T6363] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 138.373651][ T6363] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 138.382106][ T6363] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 138.390088][ T6363] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 138.398076][ T6363] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 138.406066][ T6363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 138.414047][ T6363] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 138.422047][ T6363]
[ 138.439789][ T6368] CPU: 0 PID: 6368 Comm: syz.1.175 Not tainted syzkaller #0
[ 138.447129][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 138.457219][ T6368] Call Trace:
[ 138.460519][ T6368]
[ 138.463467][ T6368] dump_stack_lvl+0x16c/0x230
[ 138.468187][ T6368] ? show_regs_print_info+0x20/0x20
[ 138.473399][ T6368] ? load_image+0x3b0/0x3b0
[ 138.477931][ T6368] ? __lock_acquire+0x7c80/0x7c80
[ 138.482968][ T6368] ? snprintf+0xdb/0x120
[ 138.487232][ T6368] should_fail_ex+0x39d/0x4d0
[ 138.491939][ T6368] _copy_to_user+0x2f/0xa0
[ 138.496370][ T6368] simple_read_from_buffer+0xe7/0x150
[ 138.501769][ T6368] proc_fail_nth_read+0x1e3/0x250
[ 138.506813][ T6368] ? proc_fault_inject_write+0x340/0x340
[ 138.512496][ T6368] ? fsnotify_perm+0x271/0x5e0
[ 138.517286][ T6368] ? proc_fault_inject_write+0x340/0x340
[ 138.522935][ T6368] vfs_read+0x27e/0x920
[ 138.527115][ T6368] ? kernel_read+0x1e0/0x1e0
[ 138.531720][ T6368] ? __fget_files+0x28/0x4d0
[ 138.536324][ T6368] ? __fget_files+0x44a/0x4d0
[ 138.541016][ T6368] ? __fdget_pos+0x2a3/0x330
[ 138.545615][ T6368] ? ksys_read+0x75/0x250
[ 138.549958][ T6368] ksys_read+0x147/0x250
[ 138.554213][ T6368] ? vfs_write+0x940/0x940
[ 138.558648][ T6368] ? lockdep_hardirqs_on+0x98/0x150
[ 138.563857][ T6368] do_syscall_64+0x55/0xb0
[ 138.568291][ T6368] ? clear_bhb_loop+0x40/0x90
[ 138.572973][ T6368] ? clear_bhb_loop+0x40/0x90
[ 138.577683][ T6368] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 138.583630][ T6368] RIP: 0033:0x7faa1e98e15c
[ 138.588062][ T6368] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 138.607683][ T6368] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 138.616119][ T6368] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 138.624102][ T6368] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000004
[ 138.632087][ T6368] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 138.640084][ T6368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 138.648068][ T6368] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 138.656415][ T6368]
[ 138.686718][ T6371] FAULT_INJECTION: forcing a failure.
[ 138.686718][ T6371] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 138.712212][ T6371] CPU: 1 PID: 6371 Comm: syz.2.176 Not tainted syzkaller #0
[ 138.719559][ T6371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 138.729665][ T6371] Call Trace:
[ 138.732974][ T6371]
[ 138.735938][ T6371] dump_stack_lvl+0x16c/0x230
[ 138.740665][ T6371] ? show_regs_print_info+0x20/0x20
[ 138.745906][ T6371] ? load_image+0x3b0/0x3b0
[ 138.750442][ T6371] ? __lock_acquire+0x7c80/0x7c80
[ 138.755513][ T6371] ? snprintf+0xdb/0x120
[ 138.759814][ T6371] should_fail_ex+0x39d/0x4d0
[ 138.764540][ T6371] _copy_to_user+0x2f/0xa0
[ 138.768996][ T6371] simple_read_from_buffer+0xe7/0x150
[ 138.774424][ T6371] proc_fail_nth_read+0x1e3/0x250
[ 138.779481][ T6371] ? proc_fault_inject_write+0x340/0x340
[ 138.785140][ T6371] ? fsnotify_perm+0x271/0x5e0
[ 138.789943][ T6371] ? proc_fault_inject_write+0x340/0x340
[ 138.795595][ T6371] vfs_read+0x27e/0x920
[ 138.799776][ T6371] ? kernel_read+0x1e0/0x1e0
[ 138.804400][ T6371] ? __fget_files+0x28/0x4d0
[ 138.809012][ T6371] ? __fget_files+0x44a/0x4d0
[ 138.813712][ T6371] ? __fdget_pos+0x2a3/0x330
[ 138.818337][ T6371] ? ksys_read+0x75/0x250
[ 138.822686][ T6371] ksys_read+0x147/0x250
[ 138.826947][ T6371] ? vfs_write+0x940/0x940
[ 138.831382][ T6371] ? lockdep_hardirqs_on+0x98/0x150
[ 138.836595][ T6371] do_syscall_64+0x55/0xb0
[ 138.841031][ T6371] ? clear_bhb_loop+0x40/0x90
[ 138.845725][ T6371] ? clear_bhb_loop+0x40/0x90
[ 138.850422][ T6371] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 138.856342][ T6371] RIP: 0033:0x7f2949b8e15c
[ 138.860771][ T6371] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 138.880391][ T6371] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 138.888823][ T6371] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 138.896811][ T6371] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 138.904793][ T6371] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 138.912775][ T6371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 138.920760][ T6371] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 138.928774][ T6371]
[ 138.948215][ T6373] FAULT_INJECTION: forcing a failure.
[ 138.948215][ T6373] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 138.962241][ T6375] FAULT_INJECTION: forcing a failure.
[ 138.962241][ T6375] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 138.967401][ T6373] CPU: 1 PID: 6373 Comm: syz.3.177 Not tainted syzkaller #0
[ 138.982604][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 138.992678][ T6373] Call Trace:
[ 138.995979][ T6373]
[ 138.998923][ T6373] dump_stack_lvl+0x16c/0x230
[ 139.003627][ T6373] ? show_regs_print_info+0x20/0x20
[ 139.008845][ T6373] ? load_image+0x3b0/0x3b0
[ 139.013364][ T6373] ? __lock_acquire+0x7c80/0x7c80
[ 139.018415][ T6373] ? snprintf+0xdb/0x120
[ 139.022699][ T6373] should_fail_ex+0x39d/0x4d0
[ 139.027422][ T6373] _copy_to_user+0x2f/0xa0
[ 139.031872][ T6373] simple_read_from_buffer+0xe7/0x150
[ 139.037331][ T6373] proc_fail_nth_read+0x1e3/0x250
[ 139.042402][ T6373] ? proc_fault_inject_write+0x340/0x340
[ 139.048090][ T6373] ? fsnotify_perm+0x271/0x5e0
[ 139.052897][ T6373] ? proc_fault_inject_write+0x340/0x340
[ 139.058554][ T6373] vfs_read+0x27e/0x920
[ 139.062741][ T6373] ? kernel_read+0x1e0/0x1e0
[ 139.067360][ T6373] ? __fget_files+0x28/0x4d0
[ 139.071972][ T6373] ? __fget_files+0x44a/0x4d0
[ 139.076689][ T6373] ? __fdget_pos+0x2a3/0x330
[ 139.081310][ T6373] ? ksys_read+0x75/0x250
[ 139.085674][ T6373] ksys_read+0x147/0x250
[ 139.089943][ T6373] ? vfs_write+0x940/0x940
[ 139.094399][ T6373] ? lockdep_hardirqs_on+0x98/0x150
[ 139.099620][ T6373] do_syscall_64+0x55/0xb0
[ 139.104064][ T6373] ? clear_bhb_loop+0x40/0x90
[ 139.108788][ T6373] ? clear_bhb_loop+0x40/0x90
[ 139.113490][ T6373] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 139.119406][ T6373] RIP: 0033:0x7f739038e15c
[ 139.123835][ T6373] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 139.143468][ T6373] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 139.151899][ T6373] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 139.159883][ T6373] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 139.167872][ T6373] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 139.175885][ T6373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 139.183881][ T6373] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 139.191908][ T6373]
[ 139.195878][ T6375] CPU: 0 PID: 6375 Comm: syz.1.178 Not tainted syzkaller #0
[ 139.203211][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 139.213288][ T6375] Call Trace:
[ 139.216581][ T6375]
[ 139.219533][ T6375] dump_stack_lvl+0x16c/0x230
[ 139.224233][ T6375] ? show_regs_print_info+0x20/0x20
[ 139.229446][ T6375] ? load_image+0x3b0/0x3b0
[ 139.233990][ T6375] ? __lock_acquire+0x7c80/0x7c80
[ 139.239031][ T6375] ? snprintf+0xdb/0x120
[ 139.243296][ T6375] should_fail_ex+0x39d/0x4d0
[ 139.247989][ T6375] _copy_to_user+0x2f/0xa0
[ 139.252418][ T6375] simple_read_from_buffer+0xe7/0x150
[ 139.257813][ T6375] proc_fail_nth_read+0x1e3/0x250
[ 139.262854][ T6375] ? proc_fault_inject_write+0x340/0x340
[ 139.268506][ T6375] ? fsnotify_perm+0x271/0x5e0
[ 139.273300][ T6375] ? proc_fault_inject_write+0x340/0x340
[ 139.278947][ T6375] vfs_read+0x27e/0x920
[ 139.283126][ T6375] ? kernel_read+0x1e0/0x1e0
[ 139.287737][ T6375] ? __fget_files+0x28/0x4d0
[ 139.292347][ T6375] ? __fget_files+0x44a/0x4d0
[ 139.297051][ T6375] ? __fdget_pos+0x2a3/0x330
[ 139.301658][ T6375] ? ksys_read+0x75/0x250
[ 139.306008][ T6375] ksys_read+0x147/0x250
[ 139.310272][ T6375] ? vfs_write+0x940/0x940
[ 139.314714][ T6375] ? lockdep_hardirqs_on+0x98/0x150
[ 139.319928][ T6375] do_syscall_64+0x55/0xb0
[ 139.324361][ T6375] ? clear_bhb_loop+0x40/0x90
[ 139.329055][ T6375] ? clear_bhb_loop+0x40/0x90
[ 139.333750][ T6375] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 139.339663][ T6375] RIP: 0033:0x7faa1e98e15c
[ 139.344090][ T6375] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 139.363723][ T6375] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 139.372156][ T6375] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 139.380146][ T6375] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 139.388135][ T6375] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 139.396122][ T6375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 139.404112][ T6375] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 139.412127][ T6375]
[ 139.417274][ T6378] FAULT_INJECTION: forcing a failure.
[ 139.417274][ T6378] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 139.446173][ T6378] CPU: 1 PID: 6378 Comm: syz.2.179 Not tainted syzkaller #0
[ 139.453527][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 139.463619][ T6378] Call Trace:
[ 139.466931][ T6378]
[ 139.469895][ T6378] dump_stack_lvl+0x16c/0x230
[ 139.474610][ T6378] ? show_regs_print_info+0x20/0x20
[ 139.479848][ T6378] ? load_image+0x3b0/0x3b0
[ 139.484396][ T6378] ? __lock_acquire+0x7c80/0x7c80
[ 139.489467][ T6378] ? snprintf+0xdb/0x120
[ 139.493753][ T6378] should_fail_ex+0x39d/0x4d0
[ 139.498477][ T6378] _copy_to_user+0x2f/0xa0
[ 139.502919][ T6378] simple_read_from_buffer+0xe7/0x150
[ 139.508334][ T6378] proc_fail_nth_read+0x1e3/0x250
[ 139.513388][ T6378] ? proc_fault_inject_write+0x340/0x340
[ 139.519040][ T6378] ? fsnotify_perm+0x271/0x5e0
[ 139.523821][ T6378] ? proc_fault_inject_write+0x340/0x340
[ 139.529475][ T6378] vfs_read+0x27e/0x920
[ 139.533659][ T6378] ? kernel_read+0x1e0/0x1e0
[ 139.538298][ T6378] ? __fget_files+0x28/0x4d0
[ 139.542907][ T6378] ? __fget_files+0x44a/0x4d0
[ 139.547610][ T6378] ? __fdget_pos+0x2a3/0x330
[ 139.552223][ T6378] ? ksys_read+0x75/0x250
[ 139.556569][ T6378] ksys_read+0x147/0x250
[ 139.560834][ T6378] ? vfs_write+0x940/0x940
[ 139.565275][ T6378] ? lockdep_hardirqs_on+0x98/0x150
[ 139.570498][ T6378] do_syscall_64+0x55/0xb0
[ 139.574936][ T6378] ? clear_bhb_loop+0x40/0x90
[ 139.579641][ T6378] ? clear_bhb_loop+0x40/0x90
[ 139.584345][ T6378] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 139.590290][ T6378] RIP: 0033:0x7f2949b8e15c
[ 139.594719][ T6378] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 139.614349][ T6378] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 139.622792][ T6378] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 139.630778][ T6378] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 139.638764][ T6378] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 139.646770][ T6378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 139.655043][ T6378] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 139.663046][ T6378]
[ 139.688808][ T6380] FAULT_INJECTION: forcing a failure.
[ 139.688808][ T6380] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 139.720031][ T6384] FAULT_INJECTION: forcing a failure.
[ 139.720031][ T6384] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 139.736806][ T6380] CPU: 1 PID: 6380 Comm: syz.0.180 Not tainted syzkaller #0
[ 139.744147][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 139.754425][ T6380] Call Trace:
[ 139.757741][ T6380]
[ 139.760687][ T6380] dump_stack_lvl+0x16c/0x230
[ 139.765393][ T6380] ? show_regs_print_info+0x20/0x20
[ 139.770607][ T6380] ? load_image+0x3b0/0x3b0
[ 139.775149][ T6380] ? __lock_acquire+0x7c80/0x7c80
[ 139.780202][ T6380] ? snprintf+0xdb/0x120
[ 139.784464][ T6380] should_fail_ex+0x39d/0x4d0
[ 139.789164][ T6380] _copy_to_user+0x2f/0xa0
[ 139.793601][ T6380] simple_read_from_buffer+0xe7/0x150
[ 139.799003][ T6380] proc_fail_nth_read+0x1e3/0x250
[ 139.804054][ T6380] ? proc_fault_inject_write+0x340/0x340
[ 139.809713][ T6380] ? fsnotify_perm+0x271/0x5e0
[ 139.814506][ T6380] ? proc_fault_inject_write+0x340/0x340
[ 139.820155][ T6380] vfs_read+0x27e/0x920
[ 139.824335][ T6380] ? kernel_read+0x1e0/0x1e0
[ 139.828943][ T6380] ? __fget_files+0x28/0x4d0
[ 139.833560][ T6380] ? __fget_files+0x44a/0x4d0
[ 139.838272][ T6380] ? __fdget_pos+0x2a3/0x330
[ 139.842892][ T6380] ? ksys_read+0x75/0x250
[ 139.847262][ T6380] ksys_read+0x147/0x250
[ 139.851542][ T6380] ? vfs_write+0x940/0x940
[ 139.855984][ T6380] ? lockdep_hardirqs_on+0x98/0x150
[ 139.861211][ T6380] do_syscall_64+0x55/0xb0
[ 139.865656][ T6380] ? clear_bhb_loop+0x40/0x90
[ 139.870356][ T6380] ? clear_bhb_loop+0x40/0x90
[ 139.875051][ T6380] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 139.880960][ T6380] RIP: 0033:0x7f1e4c98e15c
[ 139.885398][ T6380] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 139.905021][ T6380] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 139.913457][ T6380] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 139.921448][ T6380] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000004
[ 139.929442][ T6380] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 139.937428][ T6380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 139.945412][ T6380] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 139.953721][ T6380]
[ 139.965331][ T6384] CPU: 1 PID: 6384 Comm: syz.1.182 Not tainted syzkaller #0
[ 139.972673][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 139.982758][ T6384] Call Trace:
[ 139.986074][ T6384]
[ 139.989042][ T6384] dump_stack_lvl+0x16c/0x230
[ 139.993766][ T6384] ? show_regs_print_info+0x20/0x20
[ 139.999012][ T6384] ? load_image+0x3b0/0x3b0
[ 140.003553][ T6384] ? __lock_acquire+0x7c80/0x7c80
[ 140.008625][ T6384] ? snprintf+0xdb/0x120
[ 140.012890][ T6384] should_fail_ex+0x39d/0x4d0
[ 140.017596][ T6384] _copy_to_user+0x2f/0xa0
[ 140.022028][ T6384] simple_read_from_buffer+0xe7/0x150
[ 140.027421][ T6384] proc_fail_nth_read+0x1e3/0x250
[ 140.032503][ T6384] ? proc_fault_inject_write+0x340/0x340
[ 140.038181][ T6384] ? fsnotify_perm+0x271/0x5e0
[ 140.042965][ T6384] ? proc_fault_inject_write+0x340/0x340
[ 140.048660][ T6384] vfs_read+0x27e/0x920
[ 140.052831][ T6384] ? kernel_read+0x1e0/0x1e0
[ 140.057435][ T6384] ? __fget_files+0x28/0x4d0
[ 140.062041][ T6384] ? __fget_files+0x44a/0x4d0
[ 140.066747][ T6384] ? __fdget_pos+0x2a3/0x330
[ 140.071365][ T6384] ? ksys_read+0x75/0x250
[ 140.075712][ T6384] ksys_read+0x147/0x250
[ 140.079975][ T6384] ? vfs_write+0x940/0x940
[ 140.084407][ T6384] ? lockdep_hardirqs_on+0x98/0x150
[ 140.089630][ T6384] do_syscall_64+0x55/0xb0
[ 140.094061][ T6384] ? clear_bhb_loop+0x40/0x90
[ 140.098755][ T6384] ? clear_bhb_loop+0x40/0x90
[ 140.103441][ T6384] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 140.109346][ T6384] RIP: 0033:0x7faa1e98e15c
[ 140.113778][ T6384] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 140.133398][ T6384] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 140.141844][ T6384] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 140.149825][ T6384] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 140.157816][ T6384] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 140.165795][ T6384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 140.173774][ T6384] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 140.181767][ T6384]
[ 140.186922][ T6388] FAULT_INJECTION: forcing a failure.
[ 140.186922][ T6388] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 140.202106][ T6386] FAULT_INJECTION: forcing a failure.
[ 140.202106][ T6386] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 140.245346][ T6388] CPU: 1 PID: 6388 Comm: syz.2.183 Not tainted syzkaller #0
[ 140.253094][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 140.263220][ T6388] Call Trace:
[ 140.266516][ T6388]
[ 140.269466][ T6388] dump_stack_lvl+0x16c/0x230
[ 140.274182][ T6388] ? show_regs_print_info+0x20/0x20
[ 140.279406][ T6388] ? load_image+0x3b0/0x3b0
[ 140.283937][ T6388] ? __lock_acquire+0x7c80/0x7c80
[ 140.289002][ T6388] ? snprintf+0xdb/0x120
[ 140.293266][ T6388] should_fail_ex+0x39d/0x4d0
[ 140.297969][ T6388] _copy_to_user+0x2f/0xa0
[ 140.302410][ T6388] simple_read_from_buffer+0xe7/0x150
[ 140.307815][ T6388] proc_fail_nth_read+0x1e3/0x250
[ 140.312867][ T6388] ? proc_fault_inject_write+0x340/0x340
[ 140.318529][ T6388] ? fsnotify_perm+0x271/0x5e0
[ 140.323328][ T6388] ? proc_fault_inject_write+0x340/0x340
[ 140.328981][ T6388] vfs_read+0x27e/0x920
[ 140.333259][ T6388] ? kernel_read+0x1e0/0x1e0
[ 140.337900][ T6388] ? __fget_files+0x28/0x4d0
[ 140.342715][ T6388] ? __fget_files+0x44a/0x4d0
[ 140.347429][ T6388] ? __fdget_pos+0x2a3/0x330
[ 140.352043][ T6388] ? ksys_read+0x75/0x250
[ 140.356401][ T6388] ksys_read+0x147/0x250
[ 140.360671][ T6388] ? vfs_write+0x940/0x940
[ 140.365115][ T6388] ? lockdep_hardirqs_on+0x98/0x150
[ 140.370336][ T6388] do_syscall_64+0x55/0xb0
[ 140.374775][ T6388] ? clear_bhb_loop+0x40/0x90
[ 140.379468][ T6388] ? clear_bhb_loop+0x40/0x90
[ 140.384168][ T6388] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 140.390097][ T6388] RIP: 0033:0x7f2949b8e15c
[ 140.394573][ T6388] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 140.414202][ T6388] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 140.422657][ T6388] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 140.430676][ T6388] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 140.438672][ T6388] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 140.446663][ T6388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 140.454652][ T6388] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 140.462655][ T6388]
[ 140.467624][ T6386] CPU: 0 PID: 6386 Comm: syz.3.181 Not tainted syzkaller #0
[ 140.474943][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 140.485098][ T6386] Call Trace:
[ 140.488388][ T6386]
[ 140.491359][ T6386] dump_stack_lvl+0x16c/0x230
[ 140.496063][ T6386] ? show_regs_print_info+0x20/0x20
[ 140.501282][ T6386] ? load_image+0x3b0/0x3b0
[ 140.505800][ T6386] ? __lock_acquire+0x7c80/0x7c80
[ 140.510838][ T6386] ? snprintf+0xdb/0x120
[ 140.515099][ T6386] should_fail_ex+0x39d/0x4d0
[ 140.519807][ T6386] _copy_to_user+0x2f/0xa0
[ 140.524234][ T6386] simple_read_from_buffer+0xe7/0x150
[ 140.529624][ T6386] proc_fail_nth_read+0x1e3/0x250
[ 140.534674][ T6386] ? proc_fault_inject_write+0x340/0x340
[ 140.540327][ T6386] ? fsnotify_perm+0x271/0x5e0
[ 140.545104][ T6386] ? proc_fault_inject_write+0x340/0x340
[ 140.550746][ T6386] vfs_read+0x27e/0x920
[ 140.554932][ T6386] ? kernel_read+0x1e0/0x1e0
[ 140.559568][ T6386] ? __fget_files+0x28/0x4d0
[ 140.564181][ T6386] ? __fget_files+0x44a/0x4d0
[ 140.568879][ T6386] ? __fdget_pos+0x2a3/0x330
[ 140.573476][ T6386] ? ksys_read+0x75/0x250
[ 140.577821][ T6386] ksys_read+0x147/0x250
[ 140.582081][ T6386] ? vfs_write+0x940/0x940
[ 140.586515][ T6386] ? lockdep_hardirqs_on+0x98/0x150
[ 140.591723][ T6386] do_syscall_64+0x55/0xb0
[ 140.596153][ T6386] ? clear_bhb_loop+0x40/0x90
[ 140.600836][ T6386] ? clear_bhb_loop+0x40/0x90
[ 140.605548][ T6386] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 140.611452][ T6386] RIP: 0033:0x7f739038e15c
[ 140.615873][ T6386] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 140.635491][ T6386] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 140.643920][ T6386] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 140.651903][ T6386] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 140.659895][ T6386] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 140.667873][ T6386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 140.675856][ T6386] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 140.683848][ T6386]
[ 140.703362][ T6390] FAULT_INJECTION: forcing a failure.
[ 140.703362][ T6390] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 140.717436][ T6390] CPU: 1 PID: 6390 Comm: syz.0.184 Not tainted syzkaller #0
[ 140.724798][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 140.734873][ T6390] Call Trace:
[ 140.738158][ T6390]
[ 140.741090][ T6390] dump_stack_lvl+0x16c/0x230
[ 140.745786][ T6390] ? show_regs_print_info+0x20/0x20
[ 140.750995][ T6390] ? load_image+0x3b0/0x3b0
[ 140.755510][ T6390] ? __lock_acquire+0x7c80/0x7c80
[ 140.760542][ T6390] ? snprintf+0xdb/0x120
[ 140.764796][ T6390] should_fail_ex+0x39d/0x4d0
[ 140.769495][ T6390] _copy_to_user+0x2f/0xa0
[ 140.773923][ T6390] simple_read_from_buffer+0xe7/0x150
[ 140.779318][ T6390] proc_fail_nth_read+0x1e3/0x250
[ 140.784373][ T6390] ? proc_fault_inject_write+0x340/0x340
[ 140.790023][ T6390] ? fsnotify_perm+0x271/0x5e0
[ 140.794806][ T6390] ? proc_fault_inject_write+0x340/0x340
[ 140.800449][ T6390] vfs_read+0x27e/0x920
[ 140.804623][ T6390] ? kernel_read+0x1e0/0x1e0
[ 140.809226][ T6390] ? __fget_files+0x28/0x4d0
[ 140.813824][ T6390] ? __fget_files+0x44a/0x4d0
[ 140.818517][ T6390] ? __fdget_pos+0x2a3/0x330
[ 140.823112][ T6390] ? ksys_read+0x75/0x250
[ 140.827456][ T6390] ksys_read+0x147/0x250
[ 140.831716][ T6390] ? vfs_write+0x940/0x940
[ 140.836158][ T6390] ? lockdep_hardirqs_on+0x98/0x150
[ 140.841358][ T6390] do_syscall_64+0x55/0xb0
[ 140.845792][ T6390] ? clear_bhb_loop+0x40/0x90
[ 140.850492][ T6390] ? clear_bhb_loop+0x40/0x90
[ 140.855191][ T6390] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 140.861096][ T6390] RIP: 0033:0x7f1e4c98e15c
[ 140.865521][ T6390] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 140.885131][ T6390] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 140.893556][ T6390] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 140.901539][ T6390] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 140.909518][ T6390] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 140.917491][ T6390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 140.925464][ T6390] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 140.933467][ T6390]
[ 140.971640][ T6392] FAULT_INJECTION: forcing a failure.
[ 140.971640][ T6392] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 140.987067][ T6392] CPU: 0 PID: 6392 Comm: syz.1.185 Not tainted syzkaller #0
[ 140.994403][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 141.004489][ T6392] Call Trace:
[ 141.007791][ T6392]
[ 141.010739][ T6392] dump_stack_lvl+0x16c/0x230
[ 141.015432][ T6392] ? show_regs_print_info+0x20/0x20
[ 141.020663][ T6392] ? load_image+0x3b0/0x3b0
[ 141.025179][ T6392] ? __lock_acquire+0x7c80/0x7c80
[ 141.030215][ T6392] ? snprintf+0xdb/0x120
[ 141.034460][ T6392] should_fail_ex+0x39d/0x4d0
[ 141.039153][ T6392] _copy_to_user+0x2f/0xa0
[ 141.043594][ T6392] simple_read_from_buffer+0xe7/0x150
[ 141.048997][ T6392] proc_fail_nth_read+0x1e3/0x250
[ 141.054038][ T6392] ? proc_fault_inject_write+0x340/0x340
[ 141.059684][ T6392] ? fsnotify_perm+0x271/0x5e0
[ 141.064461][ T6392] ? proc_fault_inject_write+0x340/0x340
[ 141.070116][ T6392] vfs_read+0x27e/0x920
[ 141.074288][ T6392] ? kernel_read+0x1e0/0x1e0
[ 141.078889][ T6392] ? __fget_files+0x28/0x4d0
[ 141.083492][ T6392] ? __fget_files+0x44a/0x4d0
[ 141.088197][ T6392] ? __fdget_pos+0x2a3/0x330
[ 141.092793][ T6392] ? ksys_read+0x75/0x250
[ 141.097136][ T6392] ksys_read+0x147/0x250
[ 141.101415][ T6392] ? vfs_write+0x940/0x940
[ 141.105848][ T6392] ? lockdep_hardirqs_on+0x98/0x150
[ 141.111061][ T6392] do_syscall_64+0x55/0xb0
[ 141.115499][ T6392] ? clear_bhb_loop+0x40/0x90
[ 141.120197][ T6392] ? clear_bhb_loop+0x40/0x90
[ 141.124889][ T6392] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 141.130793][ T6392] RIP: 0033:0x7faa1e98e15c
[ 141.135224][ T6392] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 141.154846][ T6392] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 141.163279][ T6392] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 141.171261][ T6392] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 141.179240][ T6392] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 141.187220][ T6392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 141.195201][ T6392] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 141.203200][ T6392]
[ 141.219040][ T6394] FAULT_INJECTION: forcing a failure.
[ 141.219040][ T6394] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 141.258847][ T6394] CPU: 0 PID: 6394 Comm: syz.2.186 Not tainted syzkaller #0
[ 141.266204][ T6394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 141.267330][ T6396] FAULT_INJECTION: forcing a failure.
[ 141.267330][ T6396] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 141.276281][ T6394] Call Trace:
[ 141.276292][ T6394]
[ 141.276303][ T6394] dump_stack_lvl+0x16c/0x230
[ 141.300327][ T6394] ? show_regs_print_info+0x20/0x20
[ 141.301798][ T6398] FAULT_INJECTION: forcing a failure.
[ 141.301798][ T6398] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 141.305552][ T6394] ? load_image+0x3b0/0x3b0
[ 141.305584][ T6394] ? __lock_acquire+0x7c80/0x7c80
[ 141.328155][ T6394] ? snprintf+0xdb/0x120
[ 141.332426][ T6394] should_fail_ex+0x39d/0x4d0
[ 141.337131][ T6394] _copy_to_user+0x2f/0xa0
[ 141.341568][ T6394] simple_read_from_buffer+0xe7/0x150
[ 141.346966][ T6394] proc_fail_nth_read+0x1e3/0x250
[ 141.352017][ T6394] ? proc_fault_inject_write+0x340/0x340
[ 141.357675][ T6394] ? fsnotify_perm+0x271/0x5e0
[ 141.362471][ T6394] ? proc_fault_inject_write+0x340/0x340
[ 141.368134][ T6394] vfs_read+0x27e/0x920
[ 141.372331][ T6394] ? kernel_read+0x1e0/0x1e0
[ 141.376950][ T6394] ? __fget_files+0x28/0x4d0
[ 141.381584][ T6394] ? __fget_files+0x44a/0x4d0
[ 141.386303][ T6394] ? __fdget_pos+0x2a3/0x330
[ 141.390908][ T6394] ? ksys_read+0x75/0x250
[ 141.395279][ T6394] ksys_read+0x147/0x250
[ 141.399573][ T6394] ? vfs_write+0x940/0x940
[ 141.404063][ T6394] ? lockdep_hardirqs_on+0x98/0x150
[ 141.409291][ T6394] do_syscall_64+0x55/0xb0
[ 141.413745][ T6394] ? clear_bhb_loop+0x40/0x90
[ 141.418466][ T6394] ? clear_bhb_loop+0x40/0x90
[ 141.423211][ T6394] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 141.429162][ T6394] RIP: 0033:0x7f2949b8e15c
[ 141.433610][ T6394] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 141.453252][ T6394] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 141.461696][ T6394] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 141.469737][ T6394] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 141.477816][ T6394] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 141.485803][ T6394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 141.493798][ T6394] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 141.501811][ T6394]
[ 141.504858][ T6396] CPU: 1 PID: 6396 Comm: syz.3.187 Not tainted syzkaller #0
[ 141.512194][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 141.522279][ T6396] Call Trace:
[ 141.525586][ T6396]
[ 141.528528][ T6396] dump_stack_lvl+0x16c/0x230
[ 141.533231][ T6396] ? show_regs_print_info+0x20/0x20
[ 141.538443][ T6396] ? load_image+0x3b0/0x3b0
[ 141.542961][ T6396] ? __lock_acquire+0x7c80/0x7c80
[ 141.548001][ T6396] ? snprintf+0xdb/0x120
[ 141.552259][ T6396] should_fail_ex+0x39d/0x4d0
[ 141.556951][ T6396] _copy_to_user+0x2f/0xa0
[ 141.561382][ T6396] simple_read_from_buffer+0xe7/0x150
[ 141.566780][ T6396] proc_fail_nth_read+0x1e3/0x250
[ 141.571836][ T6396] ? proc_fault_inject_write+0x340/0x340
[ 141.577502][ T6396] ? fsnotify_perm+0x271/0x5e0
[ 141.582292][ T6396] ? proc_fault_inject_write+0x340/0x340
[ 141.587970][ T6396] vfs_read+0x27e/0x920
[ 141.592165][ T6396] ? kernel_read+0x1e0/0x1e0
[ 141.596796][ T6396] ? __fget_files+0x28/0x4d0
[ 141.601405][ T6396] ? __fget_files+0x44a/0x4d0
[ 141.606115][ T6396] ? __fdget_pos+0x2a3/0x330
[ 141.610731][ T6396] ? ksys_read+0x75/0x250
[ 141.615119][ T6396] ksys_read+0x147/0x250
[ 141.619399][ T6396] ? vfs_write+0x940/0x940
[ 141.623841][ T6396] ? lockdep_hardirqs_on+0x98/0x150
[ 141.629065][ T6396] do_syscall_64+0x55/0xb0
[ 141.633515][ T6396] ? clear_bhb_loop+0x40/0x90
[ 141.638221][ T6396] ? clear_bhb_loop+0x40/0x90
[ 141.642914][ T6396] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 141.648835][ T6396] RIP: 0033:0x7f739038e15c
[ 141.653274][ T6396] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 141.672993][ T6396] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 141.681527][ T6396] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 141.689517][ T6396] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 141.697524][ T6396] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 141.705512][ T6396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 141.713518][ T6396] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 141.721532][ T6396]
[ 141.725877][ T6400] FAULT_INJECTION: forcing a failure.
[ 141.725877][ T6400] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 141.751384][ T6398] CPU: 1 PID: 6398 Comm: syz.0.188 Not tainted syzkaller #0
[ 141.758731][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 141.768822][ T6398] Call Trace:
[ 141.772142][ T6398]
[ 141.775102][ T6398] dump_stack_lvl+0x16c/0x230
[ 141.779822][ T6398] ? show_regs_print_info+0x20/0x20
[ 141.785058][ T6398] ? load_image+0x3b0/0x3b0
[ 141.789596][ T6398] ? __lock_acquire+0x7c80/0x7c80
[ 141.794646][ T6398] ? snprintf+0xdb/0x120
[ 141.798913][ T6398] should_fail_ex+0x39d/0x4d0
[ 141.803633][ T6398] _copy_to_user+0x2f/0xa0
[ 141.808079][ T6398] simple_read_from_buffer+0xe7/0x150
[ 141.813479][ T6398] proc_fail_nth_read+0x1e3/0x250
[ 141.818549][ T6398] ? proc_fault_inject_write+0x340/0x340
[ 141.824202][ T6398] ? fsnotify_perm+0x271/0x5e0
[ 141.828995][ T6398] ? proc_fault_inject_write+0x340/0x340
[ 141.834663][ T6398] vfs_read+0x27e/0x920
[ 141.838857][ T6398] ? kernel_read+0x1e0/0x1e0
[ 141.843471][ T6398] ? __fget_files+0x28/0x4d0
[ 141.848079][ T6398] ? __fget_files+0x44a/0x4d0
[ 141.852775][ T6398] ? __fdget_pos+0x2a3/0x330
[ 141.857388][ T6398] ? ksys_read+0x75/0x250
[ 141.861738][ T6398] ksys_read+0x147/0x250
[ 141.866020][ T6398] ? vfs_write+0x940/0x940
[ 141.870457][ T6398] ? lockdep_hardirqs_on+0x98/0x150
[ 141.875670][ T6398] do_syscall_64+0x55/0xb0
[ 141.880106][ T6398] ? clear_bhb_loop+0x40/0x90
[ 141.884816][ T6398] ? clear_bhb_loop+0x40/0x90
[ 141.889525][ T6398] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 141.895434][ T6398] RIP: 0033:0x7f1e4c98e15c
[ 141.899868][ T6398] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 141.919515][ T6398] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 141.927951][ T6398] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 141.935926][ T6398] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 141.943905][ T6398] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 141.951883][ T6398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 141.959858][ T6398] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 141.967851][ T6398]
[ 141.990883][ T6400] CPU: 1 PID: 6400 Comm: syz.1.189 Not tainted syzkaller #0
[ 141.998229][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 142.008329][ T6400] Call Trace:
[ 142.011634][ T6400]
[ 142.014598][ T6400] dump_stack_lvl+0x16c/0x230
[ 142.019351][ T6400] ? show_regs_print_info+0x20/0x20
[ 142.024596][ T6400] ? load_image+0x3b0/0x3b0
[ 142.029143][ T6400] ? __lock_acquire+0x7c80/0x7c80
[ 142.034217][ T6400] ? snprintf+0xdb/0x120
[ 142.038498][ T6400] should_fail_ex+0x39d/0x4d0
[ 142.043216][ T6400] _copy_to_user+0x2f/0xa0
[ 142.047653][ T6400] simple_read_from_buffer+0xe7/0x150
[ 142.053056][ T6400] proc_fail_nth_read+0x1e3/0x250
[ 142.058104][ T6400] ? proc_fault_inject_write+0x340/0x340
[ 142.063764][ T6400] ? fsnotify_perm+0x271/0x5e0
[ 142.068548][ T6400] ? proc_fault_inject_write+0x340/0x340
[ 142.074190][ T6400] vfs_read+0x27e/0x920
[ 142.078368][ T6400] ? kernel_read+0x1e0/0x1e0
[ 142.082974][ T6400] ? __fget_files+0x28/0x4d0
[ 142.087582][ T6400] ? __fget_files+0x44a/0x4d0
[ 142.092283][ T6400] ? __fdget_pos+0x2a3/0x330
[ 142.096888][ T6400] ? ksys_read+0x75/0x250
[ 142.101236][ T6400] ksys_read+0x147/0x250
[ 142.105497][ T6400] ? vfs_write+0x940/0x940
[ 142.109931][ T6400] ? lockdep_hardirqs_on+0x98/0x150
[ 142.115144][ T6400] do_syscall_64+0x55/0xb0
[ 142.119577][ T6400] ? clear_bhb_loop+0x40/0x90
[ 142.124266][ T6400] ? clear_bhb_loop+0x40/0x90
[ 142.128960][ T6400] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 142.134862][ T6400] RIP: 0033:0x7faa1e98e15c
[ 142.139296][ T6400] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 142.158920][ T6400] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 142.167369][ T6400] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 142.175358][ T6400] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 142.183339][ T6400] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 142.191319][ T6400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 142.199314][ T6400] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 142.207322][ T6400]
[ 142.222090][ T6404] FAULT_INJECTION: forcing a failure.
[ 142.222090][ T6404] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 142.262347][ T6404] CPU: 0 PID: 6404 Comm: syz.2.190 Not tainted syzkaller #0
[ 142.269692][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 142.279765][ T6404] Call Trace:
[ 142.283057][ T6404]
[ 142.285998][ T6404] dump_stack_lvl+0x16c/0x230
[ 142.290706][ T6404] ? show_regs_print_info+0x20/0x20
[ 142.295919][ T6404] ? load_image+0x3b0/0x3b0
[ 142.300454][ T6404] ? __lock_acquire+0x7c80/0x7c80
[ 142.305507][ T6404] ? snprintf+0xdb/0x120
[ 142.309765][ T6404] should_fail_ex+0x39d/0x4d0
[ 142.314467][ T6404] _copy_to_user+0x2f/0xa0
[ 142.318910][ T6404] simple_read_from_buffer+0xe7/0x150
[ 142.324316][ T6404] proc_fail_nth_read+0x1e3/0x250
[ 142.329350][ T6404] ? proc_fault_inject_write+0x340/0x340
[ 142.335025][ T6404] ? fsnotify_perm+0x271/0x5e0
[ 142.339807][ T6404] ? proc_fault_inject_write+0x340/0x340
[ 142.345463][ T6404] vfs_read+0x27e/0x920
[ 142.349649][ T6404] ? kernel_read+0x1e0/0x1e0
[ 142.354262][ T6404] ? __fget_files+0x28/0x4d0
[ 142.358877][ T6404] ? __fget_files+0x44a/0x4d0
[ 142.363587][ T6404] ? __fdget_pos+0x2a3/0x330
[ 142.368210][ T6404] ? ksys_read+0x75/0x250
[ 142.372569][ T6404] ksys_read+0x147/0x250
[ 142.376869][ T6404] ? vfs_write+0x940/0x940
[ 142.381333][ T6404] ? lockdep_hardirqs_on+0x98/0x150
[ 142.386542][ T6404] do_syscall_64+0x55/0xb0
[ 142.390977][ T6404] ? clear_bhb_loop+0x40/0x90
[ 142.395672][ T6404] ? clear_bhb_loop+0x40/0x90
[ 142.400357][ T6404] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 142.406255][ T6404] RIP: 0033:0x7f2949b8e15c
[ 142.410694][ T6404] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 142.430333][ T6404] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 142.438782][ T6404] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 142.446798][ T6404] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 142.454792][ T6404] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
2025/12/01 19:54:42 executed programs: 184
[ 142.462801][ T6404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 142.470784][ T6404] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 142.478801][ T6404]
[ 142.528112][ T6406] FAULT_INJECTION: forcing a failure.
[ 142.528112][ T6406] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 142.541918][ T6406] CPU: 1 PID: 6406 Comm: syz.0.191 Not tainted syzkaller #0
[ 142.548070][ T6411] FAULT_INJECTION: forcing a failure.
[ 142.548070][ T6411] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 142.549268][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 142.549282][ T6406] Call Trace:
[ 142.549291][ T6406]
[ 142.549300][ T6406] dump_stack_lvl+0x16c/0x230
[ 142.575089][ T6410] FAULT_INJECTION: forcing a failure.
[ 142.575089][ T6410] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 142.575668][ T6406] ? show_regs_print_info+0x20/0x20
[ 142.587791][ T6407] FAULT_INJECTION: forcing a failure.
[ 142.587791][ T6407] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 142.596367][ T6406] ? load_image+0x3b0/0x3b0
[ 142.596400][ T6406] ? __lock_acquire+0x7c80/0x7c80
[ 142.596426][ T6406] ? snprintf+0xdb/0x120
[ 142.596451][ T6406] should_fail_ex+0x39d/0x4d0
[ 142.596486][ T6406] _copy_to_user+0x2f/0xa0
[ 142.637664][ T6406] simple_read_from_buffer+0xe7/0x150
[ 142.643068][ T6406] proc_fail_nth_read+0x1e3/0x250
[ 142.648122][ T6406] ? proc_fault_inject_write+0x340/0x340
[ 142.653775][ T6406] ? fsnotify_perm+0x271/0x5e0
[ 142.658561][ T6406] ? proc_fault_inject_write+0x340/0x340
[ 142.664297][ T6406] vfs_read+0x27e/0x920
[ 142.668479][ T6406] ? kernel_read+0x1e0/0x1e0
[ 142.673116][ T6406] ? __fget_files+0x28/0x4d0
[ 142.677725][ T6406] ? __fget_files+0x44a/0x4d0
[ 142.682425][ T6406] ? __fdget_pos+0x2a3/0x330
[ 142.687044][ T6406] ? ksys_read+0x75/0x250
[ 142.691391][ T6406] ksys_read+0x147/0x250
[ 142.695654][ T6406] ? vfs_write+0x940/0x940
[ 142.700100][ T6406] ? lockdep_hardirqs_on+0x98/0x150
[ 142.705333][ T6406] do_syscall_64+0x55/0xb0
[ 142.709771][ T6406] ? clear_bhb_loop+0x40/0x90
[ 142.714462][ T6406] ? clear_bhb_loop+0x40/0x90
[ 142.719150][ T6406] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 142.725063][ T6406] RIP: 0033:0x7f1e4c98e15c
[ 142.729498][ T6406] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 142.749122][ T6406] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 142.757563][ T6406] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 142.765550][ T6406] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 142.773538][ T6406] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 142.781536][ T6406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 142.789517][ T6406] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 142.797698][ T6406]
[ 142.804230][ T6407] CPU: 1 PID: 6407 Comm: syz.1.192 Not tainted syzkaller #0
[ 142.811560][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 142.821636][ T6407] Call Trace:
[ 142.824940][ T6407]
[ 142.827889][ T6407] dump_stack_lvl+0x16c/0x230
[ 142.832589][ T6407] ? show_regs_print_info+0x20/0x20
[ 142.837809][ T6407] ? load_image+0x3b0/0x3b0
[ 142.842340][ T6407] ? __lock_acquire+0x7c80/0x7c80
[ 142.847400][ T6407] ? snprintf+0xdb/0x120
[ 142.851663][ T6407] should_fail_ex+0x39d/0x4d0
[ 142.856371][ T6407] _copy_to_user+0x2f/0xa0
[ 142.860810][ T6407] simple_read_from_buffer+0xe7/0x150
[ 142.866298][ T6407] proc_fail_nth_read+0x1e3/0x250
[ 142.871432][ T6407] ? proc_fault_inject_write+0x340/0x340
[ 142.877097][ T6407] ? fsnotify_perm+0x271/0x5e0
[ 142.881892][ T6407] ? proc_fault_inject_write+0x340/0x340
[ 142.887549][ T6407] vfs_read+0x27e/0x920
[ 142.891730][ T6407] ? kernel_read+0x1e0/0x1e0
[ 142.896431][ T6407] ? __fget_files+0x28/0x4d0
[ 142.901038][ T6407] ? __fget_files+0x44a/0x4d0
[ 142.905749][ T6407] ? __fdget_pos+0x2a3/0x330
[ 142.910361][ T6407] ? ksys_read+0x75/0x250
[ 142.914715][ T6407] ksys_read+0x147/0x250
[ 142.918984][ T6407] ? vfs_write+0x940/0x940
[ 142.923420][ T6407] ? lockdep_hardirqs_on+0x98/0x150
[ 142.928633][ T6407] do_syscall_64+0x55/0xb0
[ 142.933075][ T6407] ? clear_bhb_loop+0x40/0x90
[ 142.937765][ T6407] ? clear_bhb_loop+0x40/0x90
[ 142.942449][ T6407] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 142.948352][ T6407] RIP: 0033:0x7faa1e98e15c
[ 142.952774][ T6407] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 142.972391][ T6407] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 142.980830][ T6407] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 142.988824][ T6407] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 142.996813][ T6407] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 143.004803][ T6407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 143.012786][ T6407] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 143.020803][ T6407]
[ 143.025095][ T6411] CPU: 1 PID: 6411 Comm: syz.3.193 Not tainted syzkaller #0
[ 143.032437][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 143.042514][ T6411] Call Trace:
[ 143.045804][ T6411]
[ 143.048748][ T6411] dump_stack_lvl+0x16c/0x230
[ 143.053444][ T6411] ? show_regs_print_info+0x20/0x20
[ 143.058666][ T6411] ? load_image+0x3b0/0x3b0
[ 143.063183][ T6411] ? __lock_acquire+0x7c80/0x7c80
[ 143.068213][ T6411] ? snprintf+0xdb/0x120
[ 143.072492][ T6411] should_fail_ex+0x39d/0x4d0
[ 143.077200][ T6411] _copy_to_user+0x2f/0xa0
[ 143.081634][ T6411] simple_read_from_buffer+0xe7/0x150
[ 143.087033][ T6411] proc_fail_nth_read+0x1e3/0x250
[ 143.092095][ T6411] ? proc_fault_inject_write+0x340/0x340
[ 143.097753][ T6411] ? fsnotify_perm+0x271/0x5e0
[ 143.102626][ T6411] ? proc_fault_inject_write+0x340/0x340
[ 143.108275][ T6411] vfs_read+0x27e/0x920
[ 143.112457][ T6411] ? kernel_read+0x1e0/0x1e0
[ 143.117110][ T6411] ? __fget_files+0x28/0x4d0
[ 143.121722][ T6411] ? __fget_files+0x44a/0x4d0
[ 143.126422][ T6411] ? __fdget_pos+0x2a3/0x330
[ 143.131023][ T6411] ? ksys_read+0x75/0x250
[ 143.135371][ T6411] ksys_read+0x147/0x250
[ 143.139631][ T6411] ? vfs_write+0x940/0x940
[ 143.144075][ T6411] ? lockdep_hardirqs_on+0x98/0x150
[ 143.149298][ T6411] do_syscall_64+0x55/0xb0
[ 143.153729][ T6411] ? clear_bhb_loop+0x40/0x90
[ 143.158418][ T6411] ? clear_bhb_loop+0x40/0x90
[ 143.163111][ T6411] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 143.169019][ T6411] RIP: 0033:0x7f739038e15c
[ 143.173452][ T6411] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 143.193071][ T6411] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 143.201498][ T6411] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 143.209477][ T6411] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 143.217474][ T6411] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 143.225453][ T6411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 143.233430][ T6411] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 143.241452][ T6411]
[ 143.247338][ T6410] CPU: 1 PID: 6410 Comm: syz.2.194 Not tainted syzkaller #0
[ 143.254677][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 143.264756][ T6410] Call Trace:
[ 143.268070][ T6410]
[ 143.271039][ T6410] dump_stack_lvl+0x16c/0x230
[ 143.275757][ T6410] ? show_regs_print_info+0x20/0x20
[ 143.280990][ T6410] ? load_image+0x3b0/0x3b0
[ 143.285529][ T6410] ? __lock_acquire+0x7c80/0x7c80
[ 143.290591][ T6410] ? snprintf+0xdb/0x120
[ 143.294872][ T6410] should_fail_ex+0x39d/0x4d0
[ 143.299579][ T6410] _copy_to_user+0x2f/0xa0
[ 143.304020][ T6410] simple_read_from_buffer+0xe7/0x150
[ 143.309442][ T6410] proc_fail_nth_read+0x1e3/0x250
[ 143.314507][ T6410] ? proc_fault_inject_write+0x340/0x340
[ 143.320181][ T6410] ? fsnotify_perm+0x271/0x5e0
[ 143.324976][ T6410] ? proc_fault_inject_write+0x340/0x340
[ 143.330634][ T6410] vfs_read+0x27e/0x920
[ 143.334821][ T6410] ? kernel_read+0x1e0/0x1e0
[ 143.339460][ T6410] ? __fget_files+0x28/0x4d0
[ 143.344083][ T6410] ? __fget_files+0x44a/0x4d0
[ 143.348798][ T6410] ? __fdget_pos+0x2a3/0x330
[ 143.353414][ T6410] ? ksys_read+0x75/0x250
[ 143.357787][ T6410] ksys_read+0x147/0x250
[ 143.362071][ T6410] ? vfs_write+0x940/0x940
[ 143.366524][ T6410] ? lockdep_hardirqs_on+0x98/0x150
[ 143.371750][ T6410] do_syscall_64+0x55/0xb0
[ 143.376203][ T6410] ? clear_bhb_loop+0x40/0x90
[ 143.380920][ T6410] ? clear_bhb_loop+0x40/0x90
[ 143.385627][ T6410] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 143.391552][ T6410] RIP: 0033:0x7f2949b8e15c
[ 143.396008][ T6410] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 143.415655][ T6410] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 143.424103][ T6410] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 143.432115][ T6410] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 143.440121][ T6410] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 143.448136][ T6410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 143.456143][ T6410] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 143.464174][ T6410]
[ 143.506175][ T6413] FAULT_INJECTION: forcing a failure.
[ 143.506175][ T6413] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 143.527765][ T6416] FAULT_INJECTION: forcing a failure.
[ 143.527765][ T6416] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 143.541080][ T6413] CPU: 1 PID: 6413 Comm: syz.1.195 Not tainted syzkaller #0
[ 143.548491][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 143.558582][ T6413] Call Trace:
[ 143.561901][ T6413]
[ 143.564867][ T6413] dump_stack_lvl+0x16c/0x230
[ 143.569595][ T6413] ? show_regs_print_info+0x20/0x20
[ 143.574832][ T6413] ? load_image+0x3b0/0x3b0
[ 143.579378][ T6413] ? __lock_acquire+0x7c80/0x7c80
[ 143.584445][ T6413] ? snprintf+0xdb/0x120
[ 143.588728][ T6413] should_fail_ex+0x39d/0x4d0
[ 143.593447][ T6413] _copy_to_user+0x2f/0xa0
[ 143.597918][ T6413] simple_read_from_buffer+0xe7/0x150
[ 143.603354][ T6413] proc_fail_nth_read+0x1e3/0x250
[ 143.608449][ T6413] ? proc_fault_inject_write+0x340/0x340
[ 143.614131][ T6413] ? fsnotify_perm+0x271/0x5e0
[ 143.618936][ T6413] ? proc_fault_inject_write+0x340/0x340
[ 143.624598][ T6413] vfs_read+0x27e/0x920
[ 143.628791][ T6413] ? kernel_read+0x1e0/0x1e0
[ 143.633372][ T6418] FAULT_INJECTION: forcing a failure.
[ 143.633372][ T6418] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 143.633484][ T6413] ? __fget_files+0x28/0x4d0
[ 143.633514][ T6413] ? __fget_files+0x44a/0x4d0
[ 143.633547][ T6413] ? __fdget_pos+0x2a3/0x330
[ 143.633570][ T6413] ? ksys_read+0x75/0x250
[ 143.633597][ T6413] ksys_read+0x147/0x250
[ 143.633624][ T6413] ? vfs_write+0x940/0x940
[ 143.673562][ T6413] ? lockdep_hardirqs_on+0x98/0x150
[ 143.678823][ T6413] do_syscall_64+0x55/0xb0
[ 143.683285][ T6413] ? clear_bhb_loop+0x40/0x90
[ 143.687997][ T6413] ? clear_bhb_loop+0x40/0x90
[ 143.692720][ T6413] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 143.698641][ T6413] RIP: 0033:0x7faa1e98e15c
[ 143.703104][ T6413] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 143.722783][ T6413] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 143.731233][ T6413] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 143.739234][ T6413] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 143.747224][ T6413] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 143.755223][ T6413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 143.763220][ T6413] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 143.771246][ T6413]
[ 143.775746][ T6418] CPU: 0 PID: 6418 Comm: syz.3.196 Not tainted syzkaller #0
[ 143.783095][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 143.793168][ T6418] Call Trace:
[ 143.796458][ T6418]
[ 143.799420][ T6418] dump_stack_lvl+0x16c/0x230
[ 143.804147][ T6418] ? show_regs_print_info+0x20/0x20
[ 143.809373][ T6418] ? load_image+0x3b0/0x3b0
[ 143.813908][ T6418] ? __lock_acquire+0x7c80/0x7c80
[ 143.818995][ T6418] ? snprintf+0xdb/0x120
[ 143.823263][ T6418] should_fail_ex+0x39d/0x4d0
[ 143.827984][ T6418] _copy_to_user+0x2f/0xa0
[ 143.832430][ T6418] simple_read_from_buffer+0xe7/0x150
[ 143.837827][ T6418] proc_fail_nth_read+0x1e3/0x250
[ 143.842873][ T6418] ? proc_fault_inject_write+0x340/0x340
[ 143.848533][ T6418] ? fsnotify_perm+0x271/0x5e0
[ 143.853323][ T6418] ? proc_fault_inject_write+0x340/0x340
[ 143.859002][ T6418] vfs_read+0x27e/0x920
[ 143.863207][ T6418] ? kernel_read+0x1e0/0x1e0
[ 143.867833][ T6418] ? __fget_files+0x28/0x4d0
[ 143.872449][ T6418] ? __fget_files+0x44a/0x4d0
[ 143.877176][ T6418] ? __fdget_pos+0x2a3/0x330
[ 143.881818][ T6418] ? ksys_read+0x75/0x250
[ 143.886217][ T6418] ksys_read+0x147/0x250
[ 143.890514][ T6418] ? vfs_write+0x940/0x940
[ 143.894981][ T6418] ? lockdep_hardirqs_on+0x98/0x150
[ 143.900227][ T6418] do_syscall_64+0x55/0xb0
[ 143.904676][ T6418] ? clear_bhb_loop+0x40/0x90
[ 143.909375][ T6418] ? clear_bhb_loop+0x40/0x90
[ 143.914092][ T6418] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 143.920000][ T6418] RIP: 0033:0x7f739038e15c
[ 143.924431][ T6418] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 143.944065][ T6418] RSP: 002b:00007f7391291030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 143.952663][ T6418] RAX: ffffffffffffffda RBX: 00007f73905e6090 RCX: 00007f739038e15c
[ 143.960655][ T6418] RDX: 000000000000000f RSI: 00007f73912910a0 RDI: 0000000000000003
[ 143.968640][ T6418] RBP: 00007f7391291090 R08: 0000000000000000 R09: 0000000000000000
[ 143.976632][ T6418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 143.984619][ T6418] R13: 00007f73905e6128 R14: 00007f73905e6090 R15: 00007ffc59e0bd78
[ 143.992623][ T6418]
[ 143.995660][ T6416] CPU: 1 PID: 6416 Comm: syz.0.197 Not tainted syzkaller #0
[ 144.003005][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 144.013093][ T6416] Call Trace:
[ 144.016397][ T6416]
[ 144.019352][ T6416] dump_stack_lvl+0x16c/0x230
[ 144.024078][ T6416] ? show_regs_print_info+0x20/0x20
[ 144.029310][ T6416] ? load_image+0x3b0/0x3b0
[ 144.033859][ T6416] ? __lock_acquire+0x7c80/0x7c80
[ 144.038914][ T6416] ? snprintf+0xdb/0x120
[ 144.043193][ T6416] should_fail_ex+0x39d/0x4d0
[ 144.047931][ T6416] _copy_to_user+0x2f/0xa0
[ 144.052382][ T6416] simple_read_from_buffer+0xe7/0x150
[ 144.057801][ T6416] proc_fail_nth_read+0x1e3/0x250
[ 144.062884][ T6416] ? proc_fault_inject_write+0x340/0x340
[ 144.068562][ T6416] ? fsnotify_perm+0x271/0x5e0
[ 144.073393][ T6416] ? proc_fault_inject_write+0x340/0x340
[ 144.079072][ T6416] vfs_read+0x27e/0x920
[ 144.083276][ T6416] ? kernel_read+0x1e0/0x1e0
[ 144.087913][ T6416] ? __fget_files+0x28/0x4d0
[ 144.092555][ T6416] ? __fget_files+0x44a/0x4d0
[ 144.097293][ T6416] ? __fdget_pos+0x2a3/0x330
[ 144.101923][ T6416] ? ksys_read+0x75/0x250
[ 144.106296][ T6416] ksys_read+0x147/0x250
[ 144.110586][ T6416] ? vfs_write+0x940/0x940
[ 144.113682][ T6421] FAULT_INJECTION: forcing a failure.
[ 144.113682][ T6421] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 144.114706][ T6421]
[ 144.114713][ T6421] ======================================================
[ 144.114722][ T6421] WARNING: possible circular locking dependency detected
[ 144.114735][ T6421] syzkaller #0 Not tainted
[ 144.114746][ T6421] ------------------------------------------------------
[ 144.114754][ T6421] syz.2.198/6421 is trying to acquire lock:
[ 144.114764][ T6421] ffffffff8cd24160 (console_owner){....}-{0:0}, at: vprintk_emit+0x301/0x600
[ 144.114819][ T6421]
[ 144.114819][ T6421] but task is already holding lock:
[ 144.114826][ T6421] ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 144.114882][ T6421]
[ 144.114882][ T6421] which lock already depends on the new lock.
[ 144.114882][ T6421]
[ 144.114889][ T6421]
[ 144.114889][ T6421] the existing dependency chain (in reverse order) is:
[ 144.114897][ T6421]
[ 144.114897][ T6421] -> #4 (&rq->__lock){-.-.}-{2:2}:
[ 144.114924][ T6421] _raw_spin_lock_nested+0x32/0x50
[ 144.114951][ T6421] raw_spin_rq_lock_nested+0x2a/0x140
[ 144.114979][ T6421] task_fork_fair+0x62/0x1f0
[ 144.114998][ T6421] sched_cgroup_fork+0x333/0x3c0
[ 144.115028][ T6421] copy_process+0x21e4/0x3d70
[ 144.115031][ T6416] ? lockdep_hardirqs_on+0x98/0x150
[ 144.115045][ T6421] kernel_clone+0x21b/0x840
[ 144.115057][ T6416] do_syscall_64+0x55/0xb0
[ 144.115063][ T6421] user_mode_thread+0xde/0x130
[ 144.115080][ T6421] rest_init+0x27/0x300
[ 144.115086][ T6416] ? clear_bhb_loop+0x40/0x90
[ 144.115098][ T6421] arch_call_rest_init+0xe/0x10
[ 144.115110][ T6416] ? clear_bhb_loop+0x40/0x90
[ 144.115124][ T6421] start_kernel+0x459/0x4e0
[ 144.115135][ T6416] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 144.115150][ T6421] x86_64_start_reservations+0x2a/0x30
[ 144.115159][ T6416] RIP: 0033:0x7f1e4c98e15c
[ 144.115173][ T6421] copy_bootdata+0x0/0xe0
[ 144.115178][ T6416] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 144.115197][ T6416] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246
[ 144.115195][ T6421] secondary_startup_64_no_verify+0x179/0x17b
[ 144.115210][ T6416] ORIG_RAX: 0000000000000000
[ 144.115220][ T6421]
[ 144.115220][ T6421] -> #3 (
[ 144.115219][ T6416] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 144.115228][ T6421] &p->pi_lock){-.-.}-{2:2}
[ 144.115235][ T6416] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 144.115243][ T6421] :
[ 144.115249][ T6416] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 144.115247][ T6421] _raw_spin_lock_irqsave+0xa8/0xf0
[ 144.115262][ T6416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 144.115276][ T6416] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 144.115274][ T6421] try_to_wake_up+0x60/0x1140
[ 144.115299][ T6416]
[ 144.115302][ T6421] __wake_up_common+0x2a4/0x4e0
[ 144.115320][ T6421] __wake_up+0x112/0x190
[ 144.115336][ T6421] tty_port_default_wakeup+0xa2/0xf0
[ 144.115355][ T6421] serial8250_tx_chars+0x6bd/0x8a0
[ 144.115378][ T6421] serial8250_handle_irq+0x534/0x6e0
[ 144.115400][ T6421] serial8250_default_handle_irq+0xb8/0x1a0
[ 144.115425][ T6421] serial8250_interrupt+0x9f/0x1c0
[ 144.115446][ T6421] __handle_irq_event_percpu+0x276/0x930
[ 144.115471][ T6421] handle_irq_event+0x8b/0x1e0
[ 144.115494][ T6421] handle_edge_irq+0x247/0xb30
[ 144.115508][ T6421] __common_interrupt+0x13b/0x230
[ 144.115525][ T6421] common_interrupt+0xb4/0xd0
[ 144.115546][ T6421] asm_common_interrupt+0x26/0x40
[ 144.115562][ T6421] pv_native_safe_halt+0x13/0x20
[ 144.115575][ T6421] default_idle+0x13/0x20
[ 144.115589][ T6421] default_idle_call+0x6c/0xa0
[ 144.115604][ T6421] do_idle+0x1eb/0x510
[ 144.115619][ T6421] cpu_startup_entry+0x43/0x60
[ 144.115635][ T6421] start_secondary+0xee/0xf0
[ 144.115650][ T6421] secondary_startup_64_no_verify+0x179/0x17b
[ 144.115670][ T6421]
[ 144.115670][ T6421] -> #2 (&tty->write_wait){-.-.}-{2:2}:
[ 144.115690][ T6421] _raw_spin_lock_irqsave+0xa8/0xf0
[ 144.115707][ T6421] __wake_up+0xf8/0x190
[ 144.115720][ T6421] tty_port_default_wakeup+0xa2/0xf0
[ 144.115735][ T6421] serial8250_tx_chars+0x6bd/0x8a0
[ 144.115753][ T6421] serial8250_handle_irq+0x534/0x6e0
[ 144.115772][ T6421] serial8250_default_handle_irq+0xb8/0x1a0
[ 144.115793][ T6421] serial8250_interrupt+0x9f/0x1c0
[ 144.115810][ T6421] __handle_irq_event_percpu+0x276/0x930
[ 144.115831][ T6421] handle_irq_event+0x8b/0x1e0
[ 144.115852][ T6421] handle_edge_irq+0x247/0xb30
[ 144.115866][ T6421] __common_interrupt+0x13b/0x230
[ 144.115882][ T6421] common_interrupt+0xb4/0xd0
[ 144.115903][ T6421] asm_common_interrupt+0x26/0x40
[ 144.115918][ T6421] pv_native_safe_halt+0x13/0x20
[ 144.115931][ T6421] default_idle+0x13/0x20
[ 144.115946][ T6421] default_idle_call+0x6c/0xa0
[ 144.115961][ T6421] do_idle+0x1eb/0x510
[ 144.115975][ T6421] cpu_startup_entry+0x43/0x60
[ 144.115991][ T6421] start_secondary+0xee/0xf0
[ 144.116018][ T6421] secondary_startup_64_no_verify+0x179/0x17b
[ 144.116038][ T6421]
[ 144.116038][ T6421] -> #1 (&port_lock_key){-.-.}-{2:2}:
[ 144.116056][ T6421] _raw_spin_lock_irqsave+0xa8/0xf0
[ 144.116071][ T6421] serial8250_console_write+0x16d/0x17a0
[ 144.116090][ T6421] console_flush_all+0x6cd/0xd00
[ 144.116106][ T6421] console_unlock+0xae/0x340
[ 144.116121][ T6421] vprintk_emit+0x477/0x600
[ 144.116136][ T6421] _printk+0xd0/0x110
[ 144.116151][ T6421] register_console+0x91b/0xe60
[ 144.116167][ T6421] univ8250_console_init+0x45/0x50
[ 144.116186][ T6421] console_init+0x17b/0x5e0
[ 144.116206][ T6421] start_kernel+0x2c0/0x4e0
[ 144.116226][ T6421] x86_64_start_reservations+0x2a/0x30
[ 144.116245][ T6421] copy_bootdata+0x0/0xe0
[ 144.116268][ T6421] secondary_startup_64_no_verify+0x179/0x17b
[ 144.116287][ T6421]
[ 144.116287][ T6421] -> #0 (console_owner){....}-{0:0}:
[ 144.116305][ T6421] __lock_acquire+0x2ddb/0x7c80
[ 144.116321][ T6421] lock_acquire+0x197/0x410
[ 144.116334][ T6421] vprintk_emit+0x31e/0x600
[ 144.116349][ T6421] _printk+0xd0/0x110
[ 144.116363][ T6421] should_fail_ex+0x37e/0x4d0
[ 144.116382][ T6421] strncpy_from_user+0x36/0x2e0
[ 144.116394][ T6421] strncpy_from_user_nofault+0x71/0x140
[ 144.116413][ T6421] bpf_probe_read_user_str+0x2a/0x70
[ 144.116435][ T6421] bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
[ 144.116449][ T6421] bpf_trace_run4+0x1f9/0x420
[ 144.116462][ T6421] __bpf_trace_sched_switch+0x17b/0x1e0
[ 144.116479][ T6421] __traceiter_sched_switch+0x93/0xc0
[ 144.116492][ T6421] __schedule+0x2197/0x44d0
[ 144.116512][ T6421] schedule+0xbd/0x170
[ 144.116530][ T6421] exit_to_user_mode_loop+0x47/0x110
[ 144.116550][ T6421] exit_to_user_mode_prepare+0xf6/0x180
[ 144.116568][ T6421] irqentry_exit_to_user_mode+0x9/0x40
[ 144.116582][ T6421] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 144.116599][ T6421]
[ 144.116599][ T6421] other info that might help us debug this:
[ 144.116599][ T6421]
[ 144.116603][ T6421] Chain exists of:
[ 144.116603][ T6421] console_owner --> &p->pi_lock --> &rq->__lock
[ 144.116603][ T6421]
[ 144.116624][ T6421] Possible unsafe locking scenario:
[ 144.116624][ T6421]
[ 144.116628][ T6421] CPU0 CPU1
[ 144.116631][ T6421] ---- ----
[ 144.116635][ T6421] lock(&rq->__lock);
[ 144.116643][ T6421] lock(&p->pi_lock);
[ 144.116653][ T6421] lock(&rq->__lock);
[ 144.116662][ T6421] lock(console_owner);
[ 144.116671][ T6421]
[ 144.116671][ T6421] *** DEADLOCK ***
[ 144.116671][ T6421]
[ 144.116674][ T6421] 2 locks held by syz.2.198/6421:
[ 144.116683][ T6421] #0: ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 144.116723][ T6421] #1: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0xfd/0x420
[ 144.116756][ T6421]
[ 144.116756][ T6421] stack backtrace:
[ 144.116760][ T6421] CPU: 0 PID: 6421 Comm: syz.2.198 Not tainted syzkaller #0
[ 144.116773][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 144.116782][ T6421] Call Trace:
[ 144.116788][ T6421]
[ 144.116793][ T6421] dump_stack_lvl+0x16c/0x230
[ 144.116814][ T6421] ? load_image+0x3b0/0x3b0
[ 144.116830][ T6421] ? show_regs_print_info+0x20/0x20
[ 144.116855][ T6421] ? print_circular_bug+0x12b/0x1a0
[ 144.116874][ T6421] check_noncircular+0x2bd/0x3c0
[ 144.116894][ T6421] ? print_deadlock_bug+0x5d0/0x5d0
[ 144.116911][ T6421] ? lockdep_lock+0xe0/0x220
[ 144.116929][ T6421] ? _find_first_zero_bit+0xd3/0x100
[ 144.116954][ T6421] __lock_acquire+0x2ddb/0x7c80
[ 144.116981][ T6421] ? verify_lock_unused+0x140/0x140
[ 144.116998][ T6421] ? verify_lock_unused+0x140/0x140
[ 144.117015][ T6421] ? prb_final_commit+0x6f/0x90
[ 144.117039][ T6421] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 144.117056][ T6421] ? _raw_spin_unlock+0x40/0x40
[ 144.117075][ T6421] lock_acquire+0x197/0x410
[ 144.117090][ T6421] ? vprintk_emit+0x301/0x600
[ 144.117110][ T6421] ? __lock_acquire+0x7c80/0x7c80
[ 144.117125][ T6421] ? do_raw_spin_lock+0x121/0x2c0
[ 144.117144][ T6421] ? read_lock_is_recursive+0x20/0x20
[ 144.117160][ T6421] ? __rwlock_init+0x150/0x150
[ 144.117178][ T6421] ? __lock_acquire+0x1260/0x7c80
[ 144.117195][ T6421] ? do_raw_spin_unlock+0x121/0x230
[ 144.117214][ T6421] ? vprintk_emit+0x301/0x600
[ 144.117231][ T6421] vprintk_emit+0x31e/0x600
[ 144.117247][ T6421] ? vprintk_emit+0x301/0x600
[ 144.117270][ T6421] ? printk_sprint+0x460/0x460
[ 144.117288][ T6421] ? load_balance+0x418e/0x54d0
[ 144.117310][ T6421] _printk+0xd0/0x110
[ 144.117332][ T6421] ? load_image+0x3b0/0x3b0
[ 144.117346][ T6421] ? __lock_acquire+0x1334/0x7c80
[ 144.117366][ T6421] should_fail_ex+0x37e/0x4d0
[ 144.117386][ T6421] strncpy_from_user+0x36/0x2e0
[ 144.117401][ T6421] strncpy_from_user_nofault+0x71/0x140
[ 144.117421][ T6421] bpf_probe_read_user_str+0x2a/0x70
[ 144.117443][ T6421] bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
[ 144.117457][ T6421] bpf_trace_run4+0x1f9/0x420
[ 144.117470][ T6421] ? bpf_trace_run4+0xfd/0x420
[ 144.117483][ T6421] ? bpf_trace_run3+0x400/0x400
[ 144.117498][ T6421] ? __bpf_trace_sched_switch+0x160/0x1e0
[ 144.117517][ T6421] __bpf_trace_sched_switch+0x17b/0x1e0
[ 144.117536][ T6421] ? __bpf_trace_sched_wakeup_template+0xe0/0xe0
[ 144.117554][ T6421] ? __lock_acquire+0x7bb0/0x7c80
[ 144.117569][ T6421] ? local_clock+0x20/0x20
[ 144.117587][ T6421] ? __bpf_trace_sched_wakeup_template+0xe0/0xe0
[ 144.117605][ T6421] __traceiter_sched_switch+0x93/0xc0
[ 144.117620][ T6421] __schedule+0x2197/0x44d0
[ 144.117645][ T6421] ? handle_softirqs+0x6c4/0x820
[ 144.117659][ T6421] ? __irq_exit_rcu+0xc7/0x190
[ 144.117671][ T6421] ? asan.module_dtor+0x20/0x20
[ 144.117693][ T6421] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 144.117709][ T6421] ? lock_chain_count+0x20/0x20
[ 144.117726][ T6421] schedule+0xbd/0x170
[ 144.117745][ T6421] exit_to_user_mode_loop+0x47/0x110
[ 144.117763][ T6421] exit_to_user_mode_prepare+0xf6/0x180
[ 144.117782][ T6421] irqentry_exit_to_user_mode+0x9/0x40
[ 144.117795][ T6421] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 144.117811][ T6421] RIP: 0033:0x7f2949b8f749
[ 144.117821][ T6421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 144.117832][ T6421] RSP: 002b:00007f294aa7f038 EFLAGS: 00000246
[ 144.117843][ T6421] RAX: fffffffffffffff7 RBX: 00007f2949de6090 RCX: 00007f2949b8f749
[ 144.117865][ T6421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffff
[ 144.117873][ T6421] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 144.117881][ T6421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 144.117889][ T6421] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 144.117904][ T6421]
[ 145.300193][ T6421] CPU: 0 PID: 6421 Comm: syz.2.198 Not tainted syzkaller #0
[ 145.307565][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 145.317613][ T6421] Call Trace:
[ 145.320891][ T6421]
[ 145.323819][ T6421] dump_stack_lvl+0x16c/0x230
[ 145.328503][ T6421] ? show_regs_print_info+0x20/0x20
[ 145.333729][ T6421] ? load_image+0x3b0/0x3b0
[ 145.338230][ T6421] ? __lock_acquire+0x1334/0x7c80
[ 145.343259][ T6421] should_fail_ex+0x39d/0x4d0
[ 145.347949][ T6421] strncpy_from_user+0x36/0x2e0
[ 145.352814][ T6421] strncpy_from_user_nofault+0x71/0x140
[ 145.358382][ T6421] bpf_probe_read_user_str+0x2a/0x70
[ 145.363701][ T6421] bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
[ 145.369173][ T6421] bpf_trace_run4+0x1f9/0x420
[ 145.373857][ T6421] ? bpf_trace_run4+0xfd/0x420
[ 145.378626][ T6421] ? bpf_trace_run3+0x400/0x400
[ 145.383509][ T6421] ? __bpf_trace_sched_switch+0x160/0x1e0
[ 145.389258][ T6421] __bpf_trace_sched_switch+0x17b/0x1e0
[ 145.394811][ T6421] ? __bpf_trace_sched_wakeup_template+0xe0/0xe0
[ 145.401163][ T6421] ? __lock_acquire+0x7bb0/0x7c80
[ 145.406199][ T6421] ? local_clock+0x20/0x20
[ 145.410618][ T6421] ? __bpf_trace_sched_wakeup_template+0xe0/0xe0
[ 145.416946][ T6421] __traceiter_sched_switch+0x93/0xc0
[ 145.422316][ T6421] __schedule+0x2197/0x44d0
[ 145.426833][ T6421] ? handle_softirqs+0x6c4/0x820
[ 145.431832][ T6421] ? __irq_exit_rcu+0xc7/0x190
[ 145.436602][ T6421] ? asan.module_dtor+0x20/0x20
[ 145.441465][ T6421] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 145.447461][ T6421] ? lock_chain_count+0x20/0x20
[ 145.452334][ T6421] schedule+0xbd/0x170
[ 145.456415][ T6421] exit_to_user_mode_loop+0x47/0x110
[ 145.461705][ T6421] exit_to_user_mode_prepare+0xf6/0x180
[ 145.467355][ T6421] irqentry_exit_to_user_mode+0x9/0x40
[ 145.472822][ T6421] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 145.478812][ T6421] RIP: 0033:0x7f2949b8f749
[ 145.483235][ T6421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 145.502850][ T6421] RSP: 002b:00007f294aa7f038 EFLAGS: 00000246
[ 145.508938][ T6421] RAX: fffffffffffffff7 RBX: 00007f2949de6090 RCX: 00007f2949b8f749
[ 145.516929][ T6421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffff
[ 145.524901][ T6421] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 145.532872][ T6421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 145.540846][ T6421] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 145.548841][ T6421]
[ 145.607693][ T6423] FAULT_INJECTION: forcing a failure.
[ 145.607693][ T6423] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 145.621076][ T6423] CPU: 1 PID: 6423 Comm: syz.3.199 Not tainted syzkaller #0
[ 145.628400][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 145.638584][ T6423] Call Trace:
[ 145.641889][ T6423]
[ 145.644852][ T6423] dump_stack_lvl+0x16c/0x230
[ 145.649571][ T6423] ? show_regs_print_info+0x20/0x20
[ 145.654818][ T6423] ? load_image+0x3b0/0x3b0
[ 145.659363][ T6423] ? __lock_acquire+0x7c80/0x7c80
[ 145.664424][ T6423] ? snprintf+0xdb/0x120
[ 145.668805][ T6423] should_fail_ex+0x39d/0x4d0
[ 145.673521][ T6423] _copy_to_user+0x2f/0xa0
[ 145.677972][ T6423] simple_read_from_buffer+0xe7/0x150
[ 145.683389][ T6423] proc_fail_nth_read+0x1e3/0x250
[ 145.688451][ T6423] ? proc_fault_inject_write+0x340/0x340
[ 145.694125][ T6423] ? fsnotify_perm+0x271/0x5e0
[ 145.698935][ T6423] ? proc_fault_inject_write+0x340/0x340
[ 145.704607][ T6423] vfs_read+0x27e/0x920
[ 145.708811][ T6423] ? kernel_read+0x1e0/0x1e0
[ 145.713440][ T6423] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 145.719127][ T6423] ? __fget_files+0x28/0x4d0
[ 145.723761][ T6423] ? __fget_files+0x44a/0x4d0
[ 145.728483][ T6423] ? __fdget_pos+0x2a3/0x330
[ 145.733113][ T6423] ? ksys_read+0x75/0x250
[ 145.737481][ T6423] ksys_read+0x147/0x250
[ 145.741764][ T6423] ? vfs_write+0x940/0x940
[ 145.746223][ T6423] do_syscall_64+0x55/0xb0
[ 145.750667][ T6423] ? clear_bhb_loop+0x40/0x90
[ 145.755351][ T6423] ? clear_bhb_loop+0x40/0x90
[ 145.760049][ T6423] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 145.765955][ T6423] RIP: 0033:0x7f739038e15c
[ 145.770384][ T6423] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 145.789991][ T6423] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 145.798415][ T6423] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 145.806395][ T6423] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 145.814393][ T6423] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 145.822393][ T6423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 145.830363][ T6423] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 145.838341][ T6423]
[ 145.849235][ T6425] FAULT_INJECTION: forcing a failure.
[ 145.849235][ T6425] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 145.864000][ T6425] CPU: 1 PID: 6425 Comm: syz.1.200 Not tainted syzkaller #0
[ 145.866315][ T6427] FAULT_INJECTION: forcing a failure.
[ 145.866315][ T6427] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 145.871316][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 145.894434][ T6425] Call Trace:
[ 145.897739][ T6425]
[ 145.900697][ T6425] dump_stack_lvl+0x16c/0x230
[ 145.905440][ T6425] ? show_regs_print_info+0x20/0x20
[ 145.910756][ T6425] ? load_image+0x3b0/0x3b0
[ 145.915292][ T6425] ? __lock_acquire+0x7c80/0x7c80
[ 145.920345][ T6425] ? snprintf+0xdb/0x120
[ 145.924620][ T6425] should_fail_ex+0x39d/0x4d0
[ 145.925371][ T6429] FAULT_INJECTION: forcing a failure.
[ 145.925371][ T6429] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 145.929313][ T6425] _copy_to_user+0x2f/0xa0
[ 145.946778][ T6425] simple_read_from_buffer+0xe7/0x150
[ 145.952212][ T6425] proc_fail_nth_read+0x1e3/0x250
[ 145.957256][ T6425] ? proc_fault_inject_write+0x340/0x340
[ 145.962906][ T6425] ? fsnotify_perm+0x271/0x5e0
[ 145.967701][ T6425] ? proc_fault_inject_write+0x340/0x340
[ 145.973350][ T6425] vfs_read+0x27e/0x920
[ 145.977525][ T6425] ? kernel_read+0x1e0/0x1e0
[ 145.982139][ T6425] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 145.987787][ T6425] ? __fget_files+0x28/0x4d0
[ 145.992391][ T6425] ? __fget_files+0x44a/0x4d0
[ 145.997080][ T6425] ? __fdget_pos+0x2a3/0x330
[ 146.001682][ T6425] ? ksys_read+0x75/0x250
[ 146.006031][ T6425] ksys_read+0x147/0x250
[ 146.010285][ T6425] ? vfs_write+0x940/0x940
[ 146.014716][ T6425] do_syscall_64+0x55/0xb0
[ 146.019139][ T6425] ? clear_bhb_loop+0x40/0x90
[ 146.023823][ T6425] ? clear_bhb_loop+0x40/0x90
[ 146.028502][ T6425] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 146.034396][ T6425] RIP: 0033:0x7faa1e98e15c
[ 146.038821][ T6425] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 146.058431][ T6425] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 146.066853][ T6425] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 146.074830][ T6425] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 146.082810][ T6425] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 146.090788][ T6425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 146.098780][ T6425] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 146.106770][ T6425]
[ 146.111343][ T6429] CPU: 1 PID: 6429 Comm: syz.0.202 Not tainted syzkaller #0
[ 146.118670][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 146.128746][ T6429] Call Trace:
[ 146.132049][ T6429]
[ 146.135001][ T6429] dump_stack_lvl+0x16c/0x230
[ 146.139713][ T6429] ? show_regs_print_info+0x20/0x20
[ 146.144941][ T6429] ? load_image+0x3b0/0x3b0
[ 146.149468][ T6429] ? __lock_acquire+0x7c80/0x7c80
[ 146.154515][ T6429] ? snprintf+0xdb/0x120
[ 146.158781][ T6429] should_fail_ex+0x39d/0x4d0
[ 146.163499][ T6429] _copy_to_user+0x2f/0xa0
[ 146.167944][ T6429] simple_read_from_buffer+0xe7/0x150
[ 146.173351][ T6429] proc_fail_nth_read+0x1e3/0x250
[ 146.178416][ T6429] ? proc_fault_inject_write+0x340/0x340
[ 146.184077][ T6429] ? fsnotify_perm+0x271/0x5e0
[ 146.187257][ T6434] FAULT_INJECTION: forcing a failure.
[ 146.187257][ T6434] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 146.188854][ T6429] ? proc_fault_inject_write+0x340/0x340
[ 146.207525][ T6429] vfs_read+0x27e/0x920
[ 146.211759][ T6429] ? kernel_read+0x1e0/0x1e0
[ 146.216382][ T6429] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 146.222046][ T6429] ? __fget_files+0x28/0x4d0
[ 146.226686][ T6429] ? __fget_files+0x44a/0x4d0
[ 146.231389][ T6429] ? __fdget_pos+0x2a3/0x330
[ 146.235997][ T6429] ? ksys_read+0x75/0x250
[ 146.240357][ T6429] ksys_read+0x147/0x250
[ 146.244624][ T6429] ? vfs_write+0x940/0x940
[ 146.249103][ T6429] do_syscall_64+0x55/0xb0
[ 146.253551][ T6429] ? clear_bhb_loop+0x40/0x90
[ 146.258256][ T6429] ? clear_bhb_loop+0x40/0x90
[ 146.263059][ T6429] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 146.268981][ T6429] RIP: 0033:0x7f1e4c98e15c
[ 146.273418][ T6429] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 146.293056][ T6429] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 146.294849][ T6435] FAULT_INJECTION: forcing a failure.
[ 146.294849][ T6435] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 146.301483][ T6429] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 146.301502][ T6429] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 146.301516][ T6429] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 146.338475][ T6429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 146.346471][ T6429] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 146.354477][ T6429]
[ 146.361475][ T6435] CPU: 1 PID: 6435 Comm: syz.1.204 Not tainted syzkaller #0
[ 146.368806][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 146.378888][ T6435] Call Trace:
[ 146.382191][ T6435]
[ 146.385160][ T6435] dump_stack_lvl+0x16c/0x230
[ 146.389880][ T6435] ? show_regs_print_info+0x20/0x20
[ 146.395119][ T6435] ? load_image+0x3b0/0x3b0
[ 146.399647][ T6435] ? __lock_acquire+0x7c80/0x7c80
[ 146.404700][ T6435] ? snprintf+0xdb/0x120
[ 146.408975][ T6435] should_fail_ex+0x39d/0x4d0
[ 146.413686][ T6435] _copy_to_user+0x2f/0xa0
[ 146.418125][ T6435] simple_read_from_buffer+0xe7/0x150
[ 146.423517][ T6435] proc_fail_nth_read+0x1e3/0x250
[ 146.428561][ T6435] ? proc_fault_inject_write+0x340/0x340
[ 146.434270][ T6435] ? fsnotify_perm+0x271/0x5e0
[ 146.439056][ T6435] ? proc_fault_inject_write+0x340/0x340
[ 146.444704][ T6435] vfs_read+0x27e/0x920
[ 146.448909][ T6435] ? kernel_read+0x1e0/0x1e0
[ 146.453524][ T6435] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 146.459197][ T6435] ? __fget_files+0x28/0x4d0
[ 146.463817][ T6435] ? __fget_files+0x44a/0x4d0
[ 146.468533][ T6435] ? __fdget_pos+0x2a3/0x330
[ 146.473140][ T6435] ? ksys_read+0x75/0x250
[ 146.477489][ T6435] ksys_read+0x147/0x250
[ 146.481749][ T6435] ? vfs_write+0x940/0x940
[ 146.486194][ T6435] do_syscall_64+0x55/0xb0
[ 146.490632][ T6435] ? clear_bhb_loop+0x40/0x90
[ 146.495352][ T6435] ? clear_bhb_loop+0x40/0x90
[ 146.500055][ T6435] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 146.505989][ T6435] RIP: 0033:0x7faa1e98e15c
[ 146.510441][ T6435] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 146.530066][ T6435] RSP: 002b:00007faa1f821030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 146.538497][ T6435] RAX: ffffffffffffffda RBX: 00007faa1ebe6090 RCX: 00007faa1e98e15c
[ 146.546491][ T6435] RDX: 000000000000000f RSI: 00007faa1f8210a0 RDI: 0000000000000003
[ 146.554479][ T6435] RBP: 00007faa1f821090 R08: 0000000000000000 R09: 0000000000000000
[ 146.562461][ T6435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 146.570444][ T6435] R13: 00007faa1ebe6128 R14: 00007faa1ebe6090 R15: 00007ffe1fe21f18
[ 146.578441][ T6435]
[ 146.581477][ T6427] CPU: 0 PID: 6427 Comm: syz.2.201 Not tainted syzkaller #0
[ 146.588792][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 146.598884][ T6427] Call Trace:
[ 146.602177][ T6427]
[ 146.605128][ T6427] dump_stack_lvl+0x16c/0x230
[ 146.609837][ T6427] ? show_regs_print_info+0x20/0x20
[ 146.615081][ T6427] ? load_image+0x3b0/0x3b0
[ 146.619605][ T6427] ? __lock_acquire+0x7c80/0x7c80
[ 146.624643][ T6427] ? snprintf+0xdb/0x120
[ 146.628921][ T6427] should_fail_ex+0x39d/0x4d0
[ 146.633614][ T6427] _copy_to_user+0x2f/0xa0
[ 146.638042][ T6427] simple_read_from_buffer+0xe7/0x150
[ 146.643454][ T6427] proc_fail_nth_read+0x1e3/0x250
[ 146.648492][ T6427] ? proc_fault_inject_write+0x340/0x340
[ 146.654138][ T6427] ? fsnotify_perm+0x271/0x5e0
[ 146.658918][ T6427] ? proc_fault_inject_write+0x340/0x340
[ 146.664568][ T6427] vfs_read+0x27e/0x920
[ 146.668747][ T6427] ? kernel_read+0x1e0/0x1e0
[ 146.673358][ T6427] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 146.679008][ T6427] ? __fget_files+0x28/0x4d0
[ 146.683611][ T6427] ? __fget_files+0x44a/0x4d0
[ 146.688306][ T6427] ? __fdget_pos+0x2a3/0x330
[ 146.692922][ T6427] ? ksys_read+0x75/0x250
[ 146.697278][ T6427] ksys_read+0x147/0x250
[ 146.701555][ T6427] ? vfs_write+0x940/0x940
[ 146.705991][ T6427] do_syscall_64+0x55/0xb0
[ 146.710421][ T6427] ? clear_bhb_loop+0x40/0x90
[ 146.715114][ T6427] ? clear_bhb_loop+0x40/0x90
[ 146.719805][ T6427] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 146.725717][ T6427] RIP: 0033:0x7f2949b8e15c
[ 146.730162][ T6427] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 146.749776][ T6427] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 146.758201][ T6427] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 146.766180][ T6427] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 146.774164][ T6427] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 146.782142][ T6427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 146.790116][ T6427] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 146.798123][ T6427]
[ 146.801151][ T6434] CPU: 1 PID: 6434 Comm: syz.3.203 Not tainted syzkaller #0
[ 146.808459][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 146.818522][ T6434] Call Trace:
[ 146.821810][ T6434]
[ 146.824749][ T6434] dump_stack_lvl+0x16c/0x230
[ 146.829445][ T6434] ? show_regs_print_info+0x20/0x20
[ 146.834664][ T6434] ? load_image+0x3b0/0x3b0
[ 146.839182][ T6434] ? __lock_acquire+0x7c80/0x7c80
[ 146.844217][ T6434] ? snprintf+0xdb/0x120
[ 146.848470][ T6434] should_fail_ex+0x39d/0x4d0
[ 146.853174][ T6434] _copy_to_user+0x2f/0xa0
[ 146.857601][ T6434] simple_read_from_buffer+0xe7/0x150
[ 146.862997][ T6434] proc_fail_nth_read+0x1e3/0x250
[ 146.868045][ T6434] ? proc_fault_inject_write+0x340/0x340
[ 146.873705][ T6434] ? fsnotify_perm+0x271/0x5e0
[ 146.878501][ T6434] ? proc_fault_inject_write+0x340/0x340
[ 146.884145][ T6434] vfs_read+0x27e/0x920
[ 146.888336][ T6434] ? kernel_read+0x1e0/0x1e0
[ 146.892945][ T6434] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 146.898600][ T6434] ? __fget_files+0x28/0x4d0
[ 146.903204][ T6434] ? __fget_files+0x44a/0x4d0
[ 146.907912][ T6434] ? __fdget_pos+0x2a3/0x330
[ 146.912516][ T6434] ? ksys_read+0x75/0x250
[ 146.916861][ T6434] ksys_read+0x147/0x250
[ 146.921108][ T6434] ? vfs_write+0x940/0x940
[ 146.925532][ T6434] do_syscall_64+0x55/0xb0
[ 146.929965][ T6434] ? clear_bhb_loop+0x40/0x90
[ 146.934658][ T6434] ? clear_bhb_loop+0x40/0x90
[ 146.939345][ T6434] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 146.945247][ T6434] RIP: 0033:0x7f739038e15c
[ 146.949663][ T6434] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 146.969279][ T6434] RSP: 002b:00007f7391291030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 146.977718][ T6434] RAX: ffffffffffffffda RBX: 00007f73905e6090 RCX: 00007f739038e15c
[ 146.985692][ T6434] RDX: 000000000000000f RSI: 00007f73912910a0 RDI: 0000000000000003
[ 146.993665][ T6434] RBP: 00007f7391291090 R08: 0000000000000000 R09: 0000000000000000
[ 147.001637][ T6434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 147.009608][ T6434] R13: 00007f73905e6128 R14: 00007f73905e6090 R15: 00007ffc59e0bd78
[ 147.017595][ T6434]
[ 147.056858][ T6437] FAULT_INJECTION: forcing a failure.
[ 147.056858][ T6437] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.072100][ T6437] CPU: 0 PID: 6437 Comm: syz.1.205 Not tainted syzkaller #0
[ 147.079443][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 147.089531][ T6437] Call Trace:
[ 147.092839][ T6437]
[ 147.095804][ T6437] dump_stack_lvl+0x16c/0x230
[ 147.100537][ T6437] ? show_regs_print_info+0x20/0x20
[ 147.105782][ T6437] ? load_image+0x3b0/0x3b0
[ 147.110312][ T6437] ? __lock_acquire+0x7c80/0x7c80
[ 147.115381][ T6437] ? snprintf+0xdb/0x120
[ 147.119642][ T6437] should_fail_ex+0x39d/0x4d0
[ 147.124348][ T6437] _copy_to_user+0x2f/0xa0
[ 147.128795][ T6437] simple_read_from_buffer+0xe7/0x150
[ 147.134180][ T6437] proc_fail_nth_read+0x1e3/0x250
[ 147.139215][ T6437] ? proc_fault_inject_write+0x340/0x340
[ 147.144857][ T6437] ? fsnotify_perm+0x271/0x5e0
[ 147.149632][ T6437] ? proc_fault_inject_write+0x340/0x340
[ 147.155356][ T6437] vfs_read+0x27e/0x920
[ 147.159521][ T6437] ? kernel_read+0x1e0/0x1e0
[ 147.164117][ T6437] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 147.169782][ T6437] ? __fget_files+0x28/0x4d0
[ 147.174389][ T6437] ? __fget_files+0x44a/0x4d0
[ 147.179195][ T6437] ? __fdget_pos+0x2a3/0x330
[ 147.183811][ T6437] ? ksys_read+0x75/0x250
[ 147.188162][ T6437] ksys_read+0x147/0x250
[ 147.192417][ T6437] ? vfs_write+0x940/0x940
[ 147.196852][ T6437] do_syscall_64+0x55/0xb0
[ 147.201285][ T6437] ? clear_bhb_loop+0x40/0x90
[ 147.205978][ T6437] ? clear_bhb_loop+0x40/0x90
[ 147.210679][ T6437] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 147.216584][ T6437] RIP: 0033:0x7faa1e98e15c
[ 147.221008][ T6437] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 147.240624][ T6437] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 147.249143][ T6437] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 147.257124][ T6437] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 147.265096][ T6437] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 147.273072][ T6437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 147.281053][ T6437] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 147.289132][ T6437]
[ 147.298672][ T6440] FAULT_INJECTION: forcing a failure.
[ 147.298672][ T6440] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.322445][ T6440] CPU: 0 PID: 6440 Comm: syz.0.206 Not tainted syzkaller #0
[ 147.329769][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 147.339835][ T6440] Call Trace:
[ 147.343130][ T6440]
[ 147.346076][ T6440] dump_stack_lvl+0x16c/0x230
[ 147.350771][ T6440] ? show_regs_print_info+0x20/0x20
[ 147.355982][ T6440] ? load_image+0x3b0/0x3b0
[ 147.360497][ T6440] ? __lock_acquire+0x7c80/0x7c80
[ 147.365532][ T6440] ? snprintf+0xdb/0x120
[ 147.369893][ T6440] should_fail_ex+0x39d/0x4d0
[ 147.374585][ T6440] _copy_to_user+0x2f/0xa0
[ 147.379032][ T6440] simple_read_from_buffer+0xe7/0x150
[ 147.384556][ T6440] proc_fail_nth_read+0x1e3/0x250
[ 147.389615][ T6440] ? proc_fault_inject_write+0x340/0x340
[ 147.395269][ T6440] ? fsnotify_perm+0x271/0x5e0
[ 147.400041][ T6440] ? proc_fault_inject_write+0x340/0x340
[ 147.405680][ T6440] vfs_read+0x27e/0x920
[ 147.409859][ T6440] ? kernel_read+0x1e0/0x1e0
[ 147.414477][ T6440] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 147.420136][ T6440] ? __fget_files+0x28/0x4d0
[ 147.424826][ T6440] ? __fget_files+0x44a/0x4d0
[ 147.429521][ T6440] ? __fdget_pos+0x2a3/0x330
[ 147.434122][ T6440] ? ksys_read+0x75/0x250
[ 147.438463][ T6440] ksys_read+0x147/0x250
[ 147.442809][ T6440] ? vfs_write+0x940/0x940
[ 147.447238][ T6440] do_syscall_64+0x55/0xb0
[ 147.451667][ T6440] ? clear_bhb_loop+0x40/0x90
[ 147.456368][ T6440] ? clear_bhb_loop+0x40/0x90
[ 147.461057][ T6440] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 147.466966][ T6440] RIP: 0033:0x7f1e4c98e15c
[ 147.471432][ T6440] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 147.491058][ T6440] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 147.499502][ T6440] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
2025/12/01 19:54:47 executed programs: 199
[ 147.507489][ T6440] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 147.515469][ T6440] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 147.523461][ T6440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 147.531467][ T6440] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 147.539473][ T6440]
[ 147.549874][ T6443] FAULT_INJECTION: forcing a failure.
[ 147.549874][ T6443] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.568368][ T6441] FAULT_INJECTION: forcing a failure.
[ 147.568368][ T6441] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.582306][ T6445] FAULT_INJECTION: forcing a failure.
[ 147.582306][ T6445] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.582571][ T6443] CPU: 0 PID: 6443 Comm: syz.2.208 Not tainted syzkaller #0
[ 147.599619][ T6447] FAULT_INJECTION: forcing a failure.
[ 147.599619][ T6447] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 147.602622][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 147.625737][ T6443] Call Trace:
[ 147.629048][ T6443]
[ 147.631996][ T6443] dump_stack_lvl+0x16c/0x230
[ 147.636723][ T6443] ? show_regs_print_info+0x20/0x20
[ 147.641946][ T6443] ? load_image+0x3b0/0x3b0
[ 147.646498][ T6443] ? __lock_acquire+0x7c80/0x7c80
[ 147.651543][ T6443] ? snprintf+0xdb/0x120
[ 147.655813][ T6443] should_fail_ex+0x39d/0x4d0
[ 147.660533][ T6443] _copy_to_user+0x2f/0xa0
[ 147.664997][ T6443] simple_read_from_buffer+0xe7/0x150
[ 147.670421][ T6443] proc_fail_nth_read+0x1e3/0x250
[ 147.675476][ T6443] ? proc_fault_inject_write+0x340/0x340
[ 147.681137][ T6443] ? fsnotify_perm+0x271/0x5e0
[ 147.685950][ T6443] ? proc_fault_inject_write+0x340/0x340
[ 147.691618][ T6443] vfs_read+0x27e/0x920
[ 147.695979][ T6443] ? kernel_read+0x1e0/0x1e0
[ 147.700610][ T6443] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 147.706354][ T6443] ? __fget_files+0x28/0x4d0
[ 147.710959][ T6443] ? __fget_files+0x44a/0x4d0
[ 147.715675][ T6443] ? __fdget_pos+0x2a3/0x330
[ 147.720275][ T6443] ? ksys_read+0x75/0x250
[ 147.724619][ T6443] ksys_read+0x147/0x250
[ 147.728881][ T6443] ? vfs_write+0x940/0x940
[ 147.733316][ T6443] do_syscall_64+0x55/0xb0
[ 147.737779][ T6443] ? clear_bhb_loop+0x40/0x90
[ 147.742467][ T6443] ? clear_bhb_loop+0x40/0x90
[ 147.747167][ T6443] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 147.753075][ T6443] RIP: 0033:0x7f2949b8e15c
[ 147.757505][ T6443] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 147.777127][ T6443] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 147.785555][ T6443] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 147.793541][ T6443] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 147.801531][ T6443] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 147.809521][ T6443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 147.817501][ T6443] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 147.825494][ T6443]
[ 147.828526][ T6447] CPU: 1 PID: 6447 Comm: syz.0.210 Not tainted syzkaller #0
[ 147.835850][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 147.845929][ T6447] Call Trace:
[ 147.849212][ T6447]
[ 147.852149][ T6447] dump_stack_lvl+0x16c/0x230
[ 147.856854][ T6447] ? show_regs_print_info+0x20/0x20
[ 147.862076][ T6447] ? load_image+0x3b0/0x3b0
[ 147.866591][ T6447] ? __lock_acquire+0x7c80/0x7c80
[ 147.871624][ T6447] ? snprintf+0xdb/0x120
[ 147.875878][ T6447] should_fail_ex+0x39d/0x4d0
[ 147.880580][ T6447] _copy_to_user+0x2f/0xa0
[ 147.885003][ T6447] simple_read_from_buffer+0xe7/0x150
[ 147.890392][ T6447] proc_fail_nth_read+0x1e3/0x250
[ 147.895423][ T6447] ? proc_fault_inject_write+0x340/0x340
[ 147.901068][ T6447] ? fsnotify_perm+0x271/0x5e0
[ 147.905848][ T6447] ? proc_fault_inject_write+0x340/0x340
[ 147.911490][ T6447] vfs_read+0x27e/0x920
[ 147.915665][ T6447] ? kernel_read+0x1e0/0x1e0
[ 147.920270][ T6447] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 147.925945][ T6447] ? __fget_files+0x28/0x4d0
[ 147.930541][ T6447] ? __fget_files+0x44a/0x4d0
[ 147.935229][ T6447] ? __fdget_pos+0x2a3/0x330
[ 147.939851][ T6447] ? ksys_read+0x75/0x250
[ 147.944209][ T6447] ksys_read+0x147/0x250
[ 147.948459][ T6447] ? vfs_write+0x940/0x940
[ 147.952903][ T6447] do_syscall_64+0x55/0xb0
[ 147.957333][ T6447] ? clear_bhb_loop+0x40/0x90
[ 147.962019][ T6447] ? clear_bhb_loop+0x40/0x90
[ 147.966878][ T6447] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 147.972818][ T6447] RIP: 0033:0x7f1e4c98e15c
[ 147.977291][ T6447] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 147.996912][ T6447] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 148.005355][ T6447] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 148.013334][ T6447] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 148.021321][ T6447] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 148.029302][ T6447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 148.037302][ T6447] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 148.045303][ T6447]
[ 148.054799][ T6441] CPU: 1 PID: 6441 Comm: syz.3.207 Not tainted syzkaller #0
[ 148.062137][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 148.072207][ T6441] Call Trace:
[ 148.075500][ T6441]
[ 148.078444][ T6441] dump_stack_lvl+0x16c/0x230
[ 148.083133][ T6441] ? show_regs_print_info+0x20/0x20
[ 148.088342][ T6441] ? load_image+0x3b0/0x3b0
[ 148.092850][ T6441] ? __lock_acquire+0x7c80/0x7c80
[ 148.097901][ T6441] ? snprintf+0xdb/0x120
[ 148.102149][ T6441] should_fail_ex+0x39d/0x4d0
[ 148.106856][ T6441] _copy_to_user+0x2f/0xa0
[ 148.111288][ T6441] simple_read_from_buffer+0xe7/0x150
[ 148.116688][ T6441] proc_fail_nth_read+0x1e3/0x250
[ 148.121736][ T6441] ? proc_fault_inject_write+0x340/0x340
[ 148.127387][ T6441] ? fsnotify_perm+0x271/0x5e0
[ 148.132176][ T6441] ? proc_fault_inject_write+0x340/0x340
[ 148.137828][ T6441] vfs_read+0x27e/0x920
[ 148.142002][ T6441] ? kernel_read+0x1e0/0x1e0
[ 148.146604][ T6441] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 148.152295][ T6441] ? __fget_files+0x28/0x4d0
[ 148.156898][ T6441] ? __fget_files+0x44a/0x4d0
[ 148.161616][ T6441] ? __fdget_pos+0x2a3/0x330
[ 148.166229][ T6441] ? ksys_read+0x75/0x250
[ 148.170571][ T6441] ksys_read+0x147/0x250
[ 148.174830][ T6441] ? vfs_write+0x940/0x940
[ 148.179295][ T6441] do_syscall_64+0x55/0xb0
[ 148.183725][ T6441] ? clear_bhb_loop+0x40/0x90
[ 148.188416][ T6441] ? clear_bhb_loop+0x40/0x90
[ 148.193099][ T6441] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 148.198992][ T6441] RIP: 0033:0x7f739038e15c
[ 148.203414][ T6441] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 148.223036][ T6441] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 148.231555][ T6441] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 148.239534][ T6441] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 148.247526][ T6441] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 148.255510][ T6441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 148.263488][ T6441] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 148.271507][ T6441]
[ 148.289032][ T6445] CPU: 0 PID: 6445 Comm: syz.1.209 Not tainted syzkaller #0
[ 148.296369][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 148.306440][ T6445] Call Trace:
[ 148.309727][ T6445]
[ 148.312670][ T6445] dump_stack_lvl+0x16c/0x230
[ 148.317365][ T6445] ? show_regs_print_info+0x20/0x20
[ 148.322588][ T6445] ? load_image+0x3b0/0x3b0
[ 148.327107][ T6445] ? __lock_acquire+0x7c80/0x7c80
[ 148.332143][ T6445] ? snprintf+0xdb/0x120
[ 148.336393][ T6445] should_fail_ex+0x39d/0x4d0
[ 148.341083][ T6445] _copy_to_user+0x2f/0xa0
[ 148.345507][ T6445] simple_read_from_buffer+0xe7/0x150
[ 148.350898][ T6445] proc_fail_nth_read+0x1e3/0x250
[ 148.355932][ T6445] ? proc_fault_inject_write+0x340/0x340
[ 148.361576][ T6445] ? fsnotify_perm+0x271/0x5e0
[ 148.366365][ T6445] ? proc_fault_inject_write+0x340/0x340
[ 148.372006][ T6445] vfs_read+0x27e/0x920
[ 148.376173][ T6445] ? kernel_read+0x1e0/0x1e0
[ 148.380772][ T6445] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 148.386436][ T6445] ? __fget_files+0x28/0x4d0
[ 148.391029][ T6445] ? __fget_files+0x44a/0x4d0
[ 148.395720][ T6445] ? __fdget_pos+0x2a3/0x330
[ 148.400330][ T6445] ? ksys_read+0x75/0x250
[ 148.404668][ T6445] ksys_read+0x147/0x250
[ 148.408921][ T6445] ? vfs_write+0x940/0x940
[ 148.413347][ T6445] do_syscall_64+0x55/0xb0
[ 148.417773][ T6445] ? clear_bhb_loop+0x40/0x90
[ 148.422453][ T6445] ? clear_bhb_loop+0x40/0x90
[ 148.427146][ T6445] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 148.433061][ T6445] RIP: 0033:0x7faa1e98e15c
[ 148.437497][ T6445] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 148.457122][ T6445] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 148.465552][ T6445] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 148.473537][ T6445] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 148.481513][ T6445] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 148.489527][ T6445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 148.497520][ T6445] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 148.505510][ T6445]
[ 148.529015][ T6449] FAULT_INJECTION: forcing a failure.
[ 148.529015][ T6449] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 148.543388][ T6449] CPU: 1 PID: 6449 Comm: syz.2.211 Not tainted syzkaller #0
[ 148.550723][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 148.560816][ T6449] Call Trace:
[ 148.564138][ T6449]
[ 148.567092][ T6449] dump_stack_lvl+0x16c/0x230
[ 148.571805][ T6449] ? show_regs_print_info+0x20/0x20
[ 148.577040][ T6449] ? load_image+0x3b0/0x3b0
[ 148.581583][ T6449] ? __lock_acquire+0x7c80/0x7c80
[ 148.586648][ T6449] ? snprintf+0xdb/0x120
[ 148.590924][ T6449] should_fail_ex+0x39d/0x4d0
[ 148.595652][ T6449] _copy_to_user+0x2f/0xa0
[ 148.600095][ T6449] simple_read_from_buffer+0xe7/0x150
[ 148.605510][ T6449] proc_fail_nth_read+0x1e3/0x250
[ 148.610579][ T6449] ? proc_fault_inject_write+0x340/0x340
[ 148.616255][ T6449] ? fsnotify_perm+0x271/0x5e0
[ 148.621061][ T6449] ? proc_fault_inject_write+0x340/0x340
[ 148.626721][ T6449] vfs_read+0x27e/0x920
[ 148.630893][ T6449] ? kernel_read+0x1e0/0x1e0
[ 148.635492][ T6449] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 148.641135][ T6449] ? __fget_files+0x28/0x4d0
[ 148.645742][ T6449] ? __fget_files+0x44a/0x4d0
[ 148.650427][ T6449] ? __fdget_pos+0x2a3/0x330
[ 148.655018][ T6449] ? ksys_read+0x75/0x250
[ 148.659370][ T6449] ksys_read+0x147/0x250
[ 148.663620][ T6449] ? vfs_write+0x940/0x940
[ 148.668049][ T6449] do_syscall_64+0x55/0xb0
[ 148.672477][ T6449] ? clear_bhb_loop+0x40/0x90
[ 148.677161][ T6449] ? clear_bhb_loop+0x40/0x90
[ 148.681855][ T6449] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 148.687765][ T6449] RIP: 0033:0x7f2949b8e15c
[ 148.692188][ T6449] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 148.711804][ T6449] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 148.720232][ T6449] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 148.728231][ T6449] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 148.736215][ T6449] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 148.744203][ T6449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 148.752170][ T6449] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 148.760169][ T6449]
[ 148.767911][ T6451] FAULT_INJECTION: forcing a failure.
[ 148.767911][ T6451] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 148.784699][ T6453] FAULT_INJECTION: forcing a failure.
[ 148.784699][ T6453] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 148.791427][ T6455] FAULT_INJECTION: forcing a failure.
[ 148.791427][ T6455] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 148.801895][ T6453] CPU: 0 PID: 6453 Comm: syz.0.213 Not tainted syzkaller #0
[ 148.818595][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 148.828675][ T6453] Call Trace:
[ 148.831968][ T6453]
[ 148.834924][ T6453] dump_stack_lvl+0x16c/0x230
[ 148.839646][ T6453] ? show_regs_print_info+0x20/0x20
[ 148.844880][ T6453] ? load_image+0x3b0/0x3b0
[ 148.849409][ T6453] ? __lock_acquire+0x7c80/0x7c80
[ 148.854446][ T6453] ? snprintf+0xdb/0x120
[ 148.858703][ T6453] should_fail_ex+0x39d/0x4d0
[ 148.863416][ T6453] _copy_to_user+0x2f/0xa0
[ 148.867844][ T6453] simple_read_from_buffer+0xe7/0x150
[ 148.873256][ T6453] proc_fail_nth_read+0x1e3/0x250
[ 148.878299][ T6453] ? proc_fault_inject_write+0x340/0x340
[ 148.883953][ T6453] ? fsnotify_perm+0x271/0x5e0
[ 148.888736][ T6453] ? proc_fault_inject_write+0x340/0x340
[ 148.894386][ T6453] vfs_read+0x27e/0x920
[ 148.898589][ T6453] ? kernel_read+0x1e0/0x1e0
[ 148.903216][ T6453] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 148.908868][ T6453] ? __fget_files+0x28/0x4d0
[ 148.913469][ T6453] ? __fget_files+0x44a/0x4d0
[ 148.918160][ T6453] ? __fdget_pos+0x2a3/0x330
[ 148.922755][ T6453] ? ksys_read+0x75/0x250
[ 148.927095][ T6453] ksys_read+0x147/0x250
[ 148.931346][ T6453] ? vfs_write+0x940/0x940
[ 148.935775][ T6453] do_syscall_64+0x55/0xb0
[ 148.940221][ T6453] ? clear_bhb_loop+0x40/0x90
[ 148.944910][ T6453] ? clear_bhb_loop+0x40/0x90
[ 148.949601][ T6453] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 148.955502][ T6453] RIP: 0033:0x7f1e4c98e15c
[ 148.959928][ T6453] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 148.979541][ T6453] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 148.987971][ T6453] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 148.995957][ T6453] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 149.003934][ T6453] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 149.011911][ T6453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 149.019887][ T6453] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 149.027874][ T6453]
[ 149.037644][ T6455] CPU: 0 PID: 6455 Comm: syz.1.214 Not tainted syzkaller #0
[ 149.045058][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 149.055132][ T6455] Call Trace:
[ 149.058429][ T6455]
[ 149.061381][ T6455] dump_stack_lvl+0x16c/0x230
[ 149.066090][ T6455] ? show_regs_print_info+0x20/0x20
[ 149.071335][ T6455] ? load_image+0x3b0/0x3b0
[ 149.075889][ T6455] ? __lock_acquire+0x7c80/0x7c80
[ 149.080951][ T6455] ? snprintf+0xdb/0x120
[ 149.085225][ T6455] should_fail_ex+0x39d/0x4d0
[ 149.089951][ T6455] _copy_to_user+0x2f/0xa0
[ 149.094401][ T6455] simple_read_from_buffer+0xe7/0x150
[ 149.099830][ T6455] proc_fail_nth_read+0x1e3/0x250
[ 149.104877][ T6455] ? proc_fault_inject_write+0x340/0x340
[ 149.110617][ T6455] ? fsnotify_perm+0x271/0x5e0
[ 149.115395][ T6455] ? proc_fault_inject_write+0x340/0x340
[ 149.121041][ T6455] vfs_read+0x27e/0x920
[ 149.125217][ T6455] ? kernel_read+0x1e0/0x1e0
[ 149.129828][ T6455] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 149.135479][ T6455] ? __fget_files+0x28/0x4d0
[ 149.140092][ T6455] ? __fget_files+0x44a/0x4d0
[ 149.144783][ T6455] ? __fdget_pos+0x2a3/0x330
[ 149.149410][ T6455] ? ksys_read+0x75/0x250
[ 149.153756][ T6455] ksys_read+0x147/0x250
[ 149.158009][ T6455] ? vfs_write+0x940/0x940
[ 149.162445][ T6455] do_syscall_64+0x55/0xb0
[ 149.166880][ T6455] ? clear_bhb_loop+0x40/0x90
[ 149.171577][ T6455] ? clear_bhb_loop+0x40/0x90
[ 149.176262][ T6455] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 149.182167][ T6455] RIP: 0033:0x7faa1e98e15c
[ 149.186608][ T6455] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 149.206235][ T6455] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 149.214669][ T6455] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 149.222737][ T6455] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 149.230734][ T6455] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 149.238712][ T6455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 149.246688][ T6455] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 149.254671][ T6455]
[ 149.263128][ T6451] CPU: 0 PID: 6451 Comm: syz.3.212 Not tainted syzkaller #0
[ 149.264682][ T6459] FAULT_INJECTION: forcing a failure.
[ 149.264682][ T6459] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 149.270459][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 149.270473][ T6451] Call Trace:
[ 149.270481][ T6451]
[ 149.270489][ T6451] dump_stack_lvl+0x16c/0x230
[ 149.304466][ T6451] ? show_regs_print_info+0x20/0x20
[ 149.309687][ T6451] ? load_image+0x3b0/0x3b0
[ 149.314204][ T6451] ? __lock_acquire+0x7c80/0x7c80
[ 149.319240][ T6451] ? snprintf+0xdb/0x120
[ 149.323489][ T6451] should_fail_ex+0x39d/0x4d0
[ 149.328192][ T6451] _copy_to_user+0x2f/0xa0
[ 149.332636][ T6451] simple_read_from_buffer+0xe7/0x150
[ 149.338041][ T6451] proc_fail_nth_read+0x1e3/0x250
[ 149.343083][ T6451] ? proc_fault_inject_write+0x340/0x340
[ 149.348733][ T6451] ? fsnotify_perm+0x271/0x5e0
[ 149.353532][ T6451] ? proc_fault_inject_write+0x340/0x340
[ 149.359188][ T6451] vfs_read+0x27e/0x920
[ 149.363359][ T6451] ? kernel_read+0x1e0/0x1e0
[ 149.367967][ T6451] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 149.373627][ T6451] ? __fget_files+0x28/0x4d0
[ 149.378249][ T6451] ? __fget_files+0x44a/0x4d0
[ 149.382968][ T6451] ? __fdget_pos+0x2a3/0x330
[ 149.387593][ T6451] ? ksys_read+0x75/0x250
[ 149.391953][ T6451] ksys_read+0x147/0x250
[ 149.396248][ T6451] ? vfs_write+0x940/0x940
[ 149.400696][ T6451] do_syscall_64+0x55/0xb0
[ 149.405133][ T6451] ? clear_bhb_loop+0x40/0x90
[ 149.409901][ T6451] ? clear_bhb_loop+0x40/0x90
[ 149.414615][ T6451] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 149.420530][ T6451] RIP: 0033:0x7f739038e15c
[ 149.424974][ T6451] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 149.444615][ T6451] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 149.453056][ T6451] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 149.461051][ T6451] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 149.469046][ T6451] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 149.477034][ T6451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 149.485023][ T6451] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 149.493025][ T6451]
[ 149.496058][ T6459] CPU: 1 PID: 6459 Comm: syz.0.216 Not tainted syzkaller #0
[ 149.503390][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 149.513470][ T6459] Call Trace:
[ 149.516775][ T6459]
[ 149.519724][ T6459] dump_stack_lvl+0x16c/0x230
[ 149.524430][ T6459] ? show_regs_print_info+0x20/0x20
[ 149.529648][ T6459] ? load_image+0x3b0/0x3b0
[ 149.534176][ T6459] ? __lock_acquire+0x7c80/0x7c80
[ 149.539215][ T6459] ? snprintf+0xdb/0x120
[ 149.543480][ T6459] should_fail_ex+0x39d/0x4d0
[ 149.548193][ T6459] _copy_to_user+0x2f/0xa0
[ 149.552616][ T6459] simple_read_from_buffer+0xe7/0x150
[ 149.558000][ T6459] proc_fail_nth_read+0x1e3/0x250
[ 149.563036][ T6459] ? proc_fault_inject_write+0x340/0x340
[ 149.568683][ T6459] ? fsnotify_perm+0x271/0x5e0
[ 149.573467][ T6459] ? proc_fault_inject_write+0x340/0x340
[ 149.579110][ T6459] vfs_read+0x27e/0x920
[ 149.583279][ T6459] ? kernel_read+0x1e0/0x1e0
[ 149.587900][ T6459] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 149.593571][ T6459] ? __fget_files+0x28/0x4d0
[ 149.598177][ T6459] ? __fget_files+0x44a/0x4d0
[ 149.602882][ T6459] ? __fdget_pos+0x2a3/0x330
[ 149.607498][ T6459] ? ksys_read+0x75/0x250
[ 149.611853][ T6459] ksys_read+0x147/0x250
[ 149.616127][ T6459] ? vfs_write+0x940/0x940
[ 149.620577][ T6459] do_syscall_64+0x55/0xb0
[ 149.625012][ T6459] ? clear_bhb_loop+0x40/0x90
[ 149.629877][ T6459] ? clear_bhb_loop+0x40/0x90
[ 149.634583][ T6459] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 149.640490][ T6459] RIP: 0033:0x7f1e4c98e15c
[ 149.644917][ T6459] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 149.664529][ T6459] RSP: 002b:00007f1e4d825030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 149.672961][ T6459] RAX: ffffffffffffffda RBX: 00007f1e4cbe6090 RCX: 00007f1e4c98e15c
[ 149.680958][ T6459] RDX: 000000000000000f RSI: 00007f1e4d8250a0 RDI: 0000000000000003
[ 149.688937][ T6459] RBP: 00007f1e4d825090 R08: 0000000000000000 R09: 0000000000000000
[ 149.696917][ T6459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 149.704890][ T6459] R13: 00007f1e4cbe6128 R14: 00007f1e4cbe6090 R15: 00007ffefd056ed8
[ 149.712880][ T6459]
[ 149.722712][ T6461] FAULT_INJECTION: forcing a failure.
[ 149.722712][ T6461] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 149.736774][ T6461] CPU: 0 PID: 6461 Comm: syz.2.215 Not tainted syzkaller #0
[ 149.744123][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 149.754189][ T6461] Call Trace:
[ 149.757475][ T6461]
[ 149.760414][ T6461] dump_stack_lvl+0x16c/0x230
[ 149.765201][ T6461] ? show_regs_print_info+0x20/0x20
[ 149.770418][ T6461] ? load_image+0x3b0/0x3b0
[ 149.774930][ T6461] ? __lock_acquire+0x7c80/0x7c80
[ 149.779964][ T6461] ? snprintf+0xdb/0x120
[ 149.784226][ T6461] should_fail_ex+0x39d/0x4d0
[ 149.789006][ T6461] _copy_to_user+0x2f/0xa0
[ 149.793433][ T6461] simple_read_from_buffer+0xe7/0x150
[ 149.798832][ T6461] proc_fail_nth_read+0x1e3/0x250
[ 149.803871][ T6461] ? proc_fault_inject_write+0x340/0x340
[ 149.809520][ T6461] ? fsnotify_perm+0x271/0x5e0
[ 149.814333][ T6461] ? proc_fault_inject_write+0x340/0x340
[ 149.819980][ T6461] vfs_read+0x27e/0x920
[ 149.824145][ T6461] ? kernel_read+0x1e0/0x1e0
[ 149.828743][ T6461] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 149.834415][ T6461] ? __fget_files+0x28/0x4d0
[ 149.839018][ T6461] ? __fget_files+0x44a/0x4d0
[ 149.843718][ T6461] ? __fdget_pos+0x2a3/0x330
[ 149.848327][ T6461] ? ksys_read+0x75/0x250
[ 149.852663][ T6461] ksys_read+0x147/0x250
[ 149.856920][ T6461] ? vfs_write+0x940/0x940
[ 149.861350][ T6461] do_syscall_64+0x55/0xb0
[ 149.865774][ T6461] ? clear_bhb_loop+0x40/0x90
[ 149.870462][ T6461] ? clear_bhb_loop+0x40/0x90
[ 149.875163][ T6461] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 149.881067][ T6461] RIP: 0033:0x7f2949b8e15c
[ 149.885499][ T6461] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 149.905120][ T6461] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 149.913574][ T6461] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 149.921557][ T6461] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000004
[ 149.929552][ T6461] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 149.937532][ T6461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 149.945514][ T6461] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 149.953506][ T6461]
[ 150.002279][ T6464] FAULT_INJECTION: forcing a failure.
[ 150.002279][ T6464] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 150.022005][ T6466] FAULT_INJECTION: forcing a failure.
[ 150.022005][ T6466] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 150.039322][ T6464] CPU: 1 PID: 6464 Comm: syz.1.218 Not tainted syzkaller #0
[ 150.044925][ T6467] FAULT_INJECTION: forcing a failure.
[ 150.044925][ T6467] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 150.046649][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 150.046663][ T6464] Call Trace:
[ 150.046672][ T6464]
[ 150.046680][ T6464] dump_stack_lvl+0x16c/0x230
[ 150.046713][ T6464] ? show_regs_print_info+0x20/0x20
[ 150.046740][ T6464] ? load_image+0x3b0/0x3b0
[ 150.046763][ T6464] ? __lock_acquire+0x7c80/0x7c80
[ 150.046786][ T6464] ? snprintf+0xdb/0x120
[ 150.046808][ T6464] should_fail_ex+0x39d/0x4d0
[ 150.046839][ T6464] _copy_to_user+0x2f/0xa0
[ 150.046863][ T6464] simple_read_from_buffer+0xe7/0x150
[ 150.046896][ T6464] proc_fail_nth_read+0x1e3/0x250
[ 150.046924][ T6464] ? proc_fault_inject_write+0x340/0x340
[ 150.046953][ T6464] ? fsnotify_perm+0x271/0x5e0
[ 150.046980][ T6464] ? proc_fault_inject_write+0x340/0x340
[ 150.047006][ T6464] vfs_read+0x27e/0x920
[ 150.047034][ T6464] ? kernel_read+0x1e0/0x1e0
[ 150.047057][ T6464] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 150.047089][ T6464] ? __fget_files+0x28/0x4d0
[ 150.047115][ T6464] ? __fget_files+0x44a/0x4d0
[ 150.047144][ T6464] ? __fdget_pos+0x2a3/0x330
[ 150.047168][ T6464] ? ksys_read+0x75/0x250
[ 150.047194][ T6464] ksys_read+0x147/0x250
[ 150.047220][ T6464] ? vfs_write+0x940/0x940
[ 150.047250][ T6464] do_syscall_64+0x55/0xb0
[ 150.047275][ T6464] ? clear_bhb_loop+0x40/0x90
[ 150.185906][ T6464] ? clear_bhb_loop+0x40/0x90
[ 150.190605][ T6464] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 150.196519][ T6464] RIP: 0033:0x7faa1e98e15c
[ 150.200941][ T6464] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 150.220559][ T6464] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 150.228985][ T6464] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 150.236966][ T6464] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 150.244947][ T6464] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 150.252945][ T6464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 150.260936][ T6464] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 150.268943][ T6464]
[ 150.271978][ T6466] CPU: 0 PID: 6466 Comm: syz.3.219 Not tainted syzkaller #0
[ 150.279298][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 150.289383][ T6466] Call Trace:
[ 150.292682][ T6466]
[ 150.295627][ T6466] dump_stack_lvl+0x16c/0x230
[ 150.300318][ T6466] ? show_regs_print_info+0x20/0x20
[ 150.305535][ T6466] ? load_image+0x3b0/0x3b0
[ 150.310073][ T6466] ? __lock_acquire+0x7c80/0x7c80
[ 150.314608][ T6469] FAULT_INJECTION: forcing a failure.
[ 150.314608][ T6469] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 150.315101][ T6466] ? snprintf+0xdb/0x120
[ 150.332404][ T6466] should_fail_ex+0x39d/0x4d0
[ 150.337107][ T6466] _copy_to_user+0x2f/0xa0
[ 150.341531][ T6466] simple_read_from_buffer+0xe7/0x150
[ 150.346917][ T6466] proc_fail_nth_read+0x1e3/0x250
[ 150.351961][ T6466] ? proc_fault_inject_write+0x340/0x340
[ 150.357643][ T6466] ? fsnotify_perm+0x271/0x5e0
[ 150.362446][ T6466] ? proc_fault_inject_write+0x340/0x340
[ 150.368099][ T6466] vfs_read+0x27e/0x920
[ 150.372275][ T6466] ? kernel_read+0x1e0/0x1e0
[ 150.376870][ T6466] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 150.382514][ T6466] ? __fget_files+0x28/0x4d0
[ 150.387117][ T6466] ? __fget_files+0x44a/0x4d0
[ 150.391824][ T6466] ? __fdget_pos+0x2a3/0x330
[ 150.396421][ T6466] ? ksys_read+0x75/0x250
[ 150.400766][ T6466] ksys_read+0x147/0x250
[ 150.405016][ T6466] ? vfs_write+0x940/0x940
[ 150.409439][ T6466] do_syscall_64+0x55/0xb0
[ 150.413869][ T6466] ? clear_bhb_loop+0x40/0x90
[ 150.418580][ T6466] ? clear_bhb_loop+0x40/0x90
[ 150.423282][ T6466] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 150.429187][ T6466] RIP: 0033:0x7f739038e15c
[ 150.433619][ T6466] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 150.453240][ T6466] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 150.461664][ T6466] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 150.469648][ T6466] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 150.477633][ T6466] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 150.485626][ T6466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 150.493603][ T6466] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 150.501599][ T6466]
[ 150.520948][ T6467] CPU: 0 PID: 6467 Comm: syz.0.217 Not tainted syzkaller #0
[ 150.528312][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 150.538398][ T6467] Call Trace:
[ 150.541686][ T6467]
[ 150.544638][ T6467] dump_stack_lvl+0x16c/0x230
[ 150.549339][ T6467] ? show_regs_print_info+0x20/0x20
[ 150.554558][ T6467] ? load_image+0x3b0/0x3b0
[ 150.559078][ T6467] ? __lock_acquire+0x7c80/0x7c80
[ 150.564123][ T6467] ? snprintf+0xdb/0x120
[ 150.568373][ T6467] should_fail_ex+0x39d/0x4d0
[ 150.573078][ T6467] _copy_to_user+0x2f/0xa0
[ 150.577522][ T6467] simple_read_from_buffer+0xe7/0x150
[ 150.582920][ T6467] proc_fail_nth_read+0x1e3/0x250
[ 150.587967][ T6467] ? proc_fault_inject_write+0x340/0x340
[ 150.593616][ T6467] ? fsnotify_perm+0x271/0x5e0
[ 150.598410][ T6467] ? proc_fault_inject_write+0x340/0x340
[ 150.604057][ T6467] vfs_read+0x27e/0x920
[ 150.608246][ T6467] ? kernel_read+0x1e0/0x1e0
[ 150.612859][ T6467] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 150.618520][ T6467] ? __fget_files+0x28/0x4d0
[ 150.623127][ T6467] ? __fget_files+0x44a/0x4d0
[ 150.627827][ T6467] ? __fdget_pos+0x2a3/0x330
[ 150.632430][ T6467] ? ksys_read+0x75/0x250
[ 150.636772][ T6467] ksys_read+0x147/0x250
[ 150.641029][ T6467] ? vfs_write+0x940/0x940
[ 150.645458][ T6467] do_syscall_64+0x55/0xb0
[ 150.649900][ T6467] ? clear_bhb_loop+0x40/0x90
[ 150.654589][ T6467] ? clear_bhb_loop+0x40/0x90
[ 150.659280][ T6467] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 150.665190][ T6467] RIP: 0033:0x7f1e4c98e15c
[ 150.669617][ T6467] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 150.689232][ T6467] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 150.697661][ T6467] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 150.705634][ T6467] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 150.713610][ T6467] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 150.721593][ T6467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 150.729574][ T6467] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 150.737563][ T6467]
[ 150.741648][ T6469] CPU: 0 PID: 6469 Comm: syz.2.220 Not tainted syzkaller #0
[ 150.748967][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 150.759031][ T6469] Call Trace:
[ 150.762330][ T6469]
[ 150.765272][ T6469] dump_stack_lvl+0x16c/0x230
[ 150.769966][ T6469] ? show_regs_print_info+0x20/0x20
[ 150.775177][ T6469] ? load_image+0x3b0/0x3b0
[ 150.779691][ T6469] ? __lock_acquire+0x7c80/0x7c80
[ 150.784726][ T6469] ? snprintf+0xdb/0x120
[ 150.788991][ T6469] should_fail_ex+0x39d/0x4d0
[ 150.793692][ T6469] _copy_to_user+0x2f/0xa0
[ 150.798143][ T6469] simple_read_from_buffer+0xe7/0x150
[ 150.803536][ T6469] proc_fail_nth_read+0x1e3/0x250
[ 150.808590][ T6469] ? proc_fault_inject_write+0x340/0x340
[ 150.814246][ T6469] ? fsnotify_perm+0x271/0x5e0
[ 150.819029][ T6469] ? proc_fault_inject_write+0x340/0x340
[ 150.824671][ T6469] vfs_read+0x27e/0x920
[ 150.828839][ T6469] ? kernel_read+0x1e0/0x1e0
[ 150.833442][ T6469] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 150.839090][ T6469] ? __fget_files+0x28/0x4d0
[ 150.843701][ T6469] ? __fget_files+0x44a/0x4d0
[ 150.848393][ T6469] ? __fdget_pos+0x2a3/0x330
[ 150.852993][ T6469] ? ksys_read+0x75/0x250
[ 150.857332][ T6469] ksys_read+0x147/0x250
[ 150.861587][ T6469] ? vfs_write+0x940/0x940
[ 150.866027][ T6469] do_syscall_64+0x55/0xb0
[ 150.870469][ T6469] ? clear_bhb_loop+0x40/0x90
[ 150.875158][ T6469] ? clear_bhb_loop+0x40/0x90
[ 150.879863][ T6469] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 150.885774][ T6469] RIP: 0033:0x7f2949b8e15c
[ 150.890195][ T6469] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 150.909812][ T6469] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 150.918250][ T6469] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 150.926229][ T6469] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000004
[ 150.934207][ T6469] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 150.942181][ T6469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 150.950156][ T6469] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 150.958142][ T6469]
[ 150.964424][ T6473] FAULT_INJECTION: forcing a failure.
[ 150.964424][ T6473] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 150.979368][ T6473] CPU: 1 PID: 6473 Comm: syz.1.221 Not tainted syzkaller #0
[ 150.986684][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 150.996744][ T6473] Call Trace:
[ 151.000031][ T6473]
[ 151.002967][ T6473] dump_stack_lvl+0x16c/0x230
[ 151.007662][ T6473] ? show_regs_print_info+0x20/0x20
[ 151.012874][ T6473] ? load_image+0x3b0/0x3b0
[ 151.017387][ T6473] ? __lock_acquire+0x7c80/0x7c80
[ 151.022424][ T6473] ? snprintf+0xdb/0x120
[ 151.026680][ T6473] should_fail_ex+0x39d/0x4d0
[ 151.031369][ T6473] _copy_to_user+0x2f/0xa0
[ 151.035798][ T6473] simple_read_from_buffer+0xe7/0x150
[ 151.041188][ T6473] proc_fail_nth_read+0x1e3/0x250
[ 151.046225][ T6473] ? proc_fault_inject_write+0x340/0x340
[ 151.051872][ T6473] ? fsnotify_perm+0x271/0x5e0
[ 151.056652][ T6473] ? proc_fault_inject_write+0x340/0x340
[ 151.062289][ T6473] vfs_read+0x27e/0x920
[ 151.066464][ T6473] ? kernel_read+0x1e0/0x1e0
[ 151.071067][ T6473] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 151.076723][ T6473] ? __fget_files+0x28/0x4d0
[ 151.081348][ T6473] ? __fget_files+0x44a/0x4d0
[ 151.086040][ T6473] ? __fdget_pos+0x2a3/0x330
[ 151.090641][ T6473] ? ksys_read+0x75/0x250
[ 151.094980][ T6473] ksys_read+0x147/0x250
[ 151.099247][ T6473] ? vfs_write+0x940/0x940
[ 151.103689][ T6473] do_syscall_64+0x55/0xb0
[ 151.108117][ T6473] ? clear_bhb_loop+0x40/0x90
[ 151.112804][ T6473] ? clear_bhb_loop+0x40/0x90
[ 151.117491][ T6473] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 151.123399][ T6473] RIP: 0033:0x7faa1e98e15c
[ 151.127821][ T6473] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 151.147435][ T6473] RSP: 002b:00007faa1f821030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 151.155861][ T6473] RAX: ffffffffffffffda RBX: 00007faa1ebe6090 RCX: 00007faa1e98e15c
[ 151.163842][ T6473] RDX: 000000000000000f RSI: 00007faa1f8210a0 RDI: 0000000000000003
[ 151.171836][ T6473] RBP: 00007faa1f821090 R08: 0000000000000000 R09: 0000000000000000
[ 151.179821][ T6473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 151.187821][ T6473] R13: 00007faa1ebe6128 R14: 00007faa1ebe6090 R15: 00007ffe1fe21f18
[ 151.195811][ T6473]
[ 151.246649][ T6477] FAULT_INJECTION: forcing a failure.
[ 151.246649][ T6477] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.260425][ T6479] FAULT_INJECTION: forcing a failure.
[ 151.260425][ T6479] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.260425][ T6475] FAULT_INJECTION: forcing a failure.
[ 151.260425][ T6475] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.260453][ T6475] CPU: 1 PID: 6475 Comm: syz.3.223 Not tainted syzkaller #0
[ 151.293905][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 151.303986][ T6475] Call Trace:
[ 151.307301][ T6475]
[ 151.310264][ T6475] dump_stack_lvl+0x16c/0x230
[ 151.314979][ T6475] ? show_regs_print_info+0x20/0x20
[ 151.320207][ T6475] ? load_image+0x3b0/0x3b0
[ 151.324726][ T6475] ? __lock_acquire+0x7c80/0x7c80
[ 151.329769][ T6475] ? snprintf+0xdb/0x120
[ 151.334028][ T6475] should_fail_ex+0x39d/0x4d0
[ 151.338734][ T6475] _copy_to_user+0x2f/0xa0
[ 151.343164][ T6475] simple_read_from_buffer+0xe7/0x150
[ 151.348564][ T6475] proc_fail_nth_read+0x1e3/0x250
[ 151.353617][ T6475] ? proc_fault_inject_write+0x340/0x340
[ 151.359276][ T6475] ? fsnotify_perm+0x271/0x5e0
[ 151.364065][ T6475] ? proc_fault_inject_write+0x340/0x340
[ 151.369722][ T6475] vfs_read+0x27e/0x920
[ 151.373911][ T6475] ? kernel_read+0x1e0/0x1e0
[ 151.378547][ T6475] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 151.384232][ T6475] ? __fget_files+0x28/0x4d0
[ 151.388862][ T6475] ? __fget_files+0x44a/0x4d0
[ 151.393589][ T6475] ? __fdget_pos+0x2a3/0x330
[ 151.398223][ T6475] ? ksys_read+0x75/0x250
[ 151.402584][ T6475] ksys_read+0x147/0x250
[ 151.406847][ T6475] ? vfs_write+0x940/0x940
[ 151.411301][ T6475] do_syscall_64+0x55/0xb0
[ 151.415757][ T6475] ? clear_bhb_loop+0x40/0x90
[ 151.420468][ T6475] ? clear_bhb_loop+0x40/0x90
[ 151.425170][ T6475] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 151.431090][ T6475] RIP: 0033:0x7f739038e15c
[ 151.435534][ T6475] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 151.455164][ T6475] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 151.463623][ T6475] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 151.471622][ T6475] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 151.479617][ T6475] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 151.487619][ T6475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 151.495628][ T6475] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 151.503631][ T6475]
[ 151.506684][ T6477] CPU: 0 PID: 6477 Comm: syz.2.222 Not tainted syzkaller #0
[ 151.514004][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 151.524067][ T6477] Call Trace:
[ 151.527385][ T6477]
[ 151.530327][ T6477] dump_stack_lvl+0x16c/0x230
[ 151.535026][ T6477] ? show_regs_print_info+0x20/0x20
[ 151.540240][ T6477] ? load_image+0x3b0/0x3b0
[ 151.544764][ T6477] ? __lock_acquire+0x7c80/0x7c80
[ 151.549806][ T6477] ? snprintf+0xdb/0x120
[ 151.554081][ T6477] should_fail_ex+0x39d/0x4d0
[ 151.558773][ T6477] _copy_to_user+0x2f/0xa0
[ 151.563202][ T6477] simple_read_from_buffer+0xe7/0x150
[ 151.568610][ T6477] proc_fail_nth_read+0x1e3/0x250
[ 151.573770][ T6477] ? proc_fault_inject_write+0x340/0x340
[ 151.579445][ T6477] ? fsnotify_perm+0x271/0x5e0
[ 151.584245][ T6477] ? proc_fault_inject_write+0x340/0x340
[ 151.589908][ T6477] vfs_read+0x27e/0x920
[ 151.594084][ T6477] ? kernel_read+0x1e0/0x1e0
[ 151.598693][ T6477] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 151.604347][ T6477] ? __fget_files+0x28/0x4d0
[ 151.608952][ T6477] ? __fget_files+0x44a/0x4d0
[ 151.613644][ T6477] ? __fdget_pos+0x2a3/0x330
[ 151.618244][ T6477] ? ksys_read+0x75/0x250
[ 151.622592][ T6477] ksys_read+0x147/0x250
[ 151.626883][ T6477] ? vfs_write+0x940/0x940
[ 151.631321][ T6477] do_syscall_64+0x55/0xb0
[ 151.635766][ T6477] ? clear_bhb_loop+0x40/0x90
[ 151.640455][ T6477] ? clear_bhb_loop+0x40/0x90
[ 151.645166][ T6477] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 151.651070][ T6477] RIP: 0033:0x7f2949b8e15c
[ 151.655496][ T6477] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 151.675116][ T6477] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 151.683539][ T6477] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 151.691524][ T6477] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 151.699501][ T6477] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 151.707479][ T6477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 151.715454][ T6477] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 151.723449][ T6477]
[ 151.734608][ T6481] FAULT_INJECTION: forcing a failure.
[ 151.734608][ T6481] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.748155][ T6481] CPU: 1 PID: 6481 Comm: syz.0.225 Not tainted syzkaller #0
[ 151.755482][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 151.765568][ T6481] Call Trace:
[ 151.768872][ T6481]
[ 151.771841][ T6481] dump_stack_lvl+0x16c/0x230
[ 151.776566][ T6481] ? show_regs_print_info+0x20/0x20
[ 151.781796][ T6481] ? load_image+0x3b0/0x3b0
[ 151.786346][ T6481] ? __lock_acquire+0x7c80/0x7c80
[ 151.791399][ T6481] ? snprintf+0xdb/0x120
[ 151.795676][ T6481] should_fail_ex+0x39d/0x4d0
[ 151.800389][ T6481] _copy_to_user+0x2f/0xa0
[ 151.804841][ T6481] simple_read_from_buffer+0xe7/0x150
[ 151.810248][ T6481] proc_fail_nth_read+0x1e3/0x250
[ 151.815307][ T6481] ? proc_fault_inject_write+0x340/0x340
[ 151.820975][ T6481] ? fsnotify_perm+0x271/0x5e0
[ 151.825771][ T6481] ? proc_fault_inject_write+0x340/0x340
[ 151.831442][ T6481] vfs_read+0x27e/0x920
[ 151.835645][ T6481] ? kernel_read+0x1e0/0x1e0
[ 151.840274][ T6481] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 151.845939][ T6481] ? __fget_files+0x28/0x4d0
[ 151.850557][ T6481] ? __fget_files+0x44a/0x4d0
[ 151.855262][ T6481] ? __fdget_pos+0x2a3/0x330
[ 151.859886][ T6481] ? ksys_read+0x75/0x250
[ 151.864412][ T6481] ksys_read+0x147/0x250
[ 151.868702][ T6481] ? vfs_write+0x940/0x940
[ 151.873140][ T6481] do_syscall_64+0x55/0xb0
[ 151.877594][ T6481] ? clear_bhb_loop+0x40/0x90
[ 151.882314][ T6481] ? clear_bhb_loop+0x40/0x90
[ 151.887028][ T6481] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 151.892943][ T6481] RIP: 0033:0x7f1e4c98e15c
[ 151.897376][ T6481] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 151.917015][ T6481] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 151.925442][ T6481] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 151.931976][ T6485] FAULT_INJECTION: forcing a failure.
[ 151.931976][ T6485] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.933418][ T6481] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 151.954422][ T6481] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 151.959700][ T6486] FAULT_INJECTION: forcing a failure.
[ 151.959700][ T6486] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 151.962390][ T6481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 151.962406][ T6481] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 151.962431][ T6481]
[ 152.000407][ T6479] CPU: 0 PID: 6479 Comm: syz.1.224 Not tainted syzkaller #0
[ 152.007742][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 152.016542][ T6488] FAULT_INJECTION: forcing a failure.
[ 152.016542][ T6488] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 152.017806][ T6479] Call Trace:
[ 152.017817][ T6479]
[ 152.037069][ T6479] dump_stack_lvl+0x16c/0x230
[ 152.041788][ T6479] ? show_regs_print_info+0x20/0x20
[ 152.047026][ T6479] ? load_image+0x3b0/0x3b0
[ 152.051564][ T6479] ? __lock_acquire+0x7c80/0x7c80
[ 152.056608][ T6479] ? snprintf+0xdb/0x120
[ 152.060884][ T6479] should_fail_ex+0x39d/0x4d0
[ 152.065583][ T6479] _copy_to_user+0x2f/0xa0
[ 152.070026][ T6479] simple_read_from_buffer+0xe7/0x150
[ 152.075428][ T6479] proc_fail_nth_read+0x1e3/0x250
[ 152.080503][ T6479] ? proc_fault_inject_write+0x340/0x340
[ 152.086160][ T6479] ? fsnotify_perm+0x271/0x5e0
[ 152.090948][ T6479] ? proc_fault_inject_write+0x340/0x340
[ 152.096620][ T6479] vfs_read+0x27e/0x920
[ 152.100824][ T6479] ? kernel_read+0x1e0/0x1e0
[ 152.105450][ T6479] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 152.111116][ T6479] ? __fget_files+0x28/0x4d0
[ 152.115764][ T6479] ? __fget_files+0x44a/0x4d0
[ 152.120485][ T6479] ? __fdget_pos+0x2a3/0x330
[ 152.125100][ T6479] ? ksys_read+0x75/0x250
[ 152.129464][ T6479] ksys_read+0x147/0x250
[ 152.133734][ T6479] ? vfs_write+0x940/0x940
[ 152.138178][ T6479] do_syscall_64+0x55/0xb0
[ 152.142621][ T6479] ? clear_bhb_loop+0x40/0x90
[ 152.147323][ T6479] ? clear_bhb_loop+0x40/0x90
[ 152.152027][ T6479] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 152.157940][ T6479] RIP: 0033:0x7faa1e98e15c
[ 152.162377][ T6479] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 152.182011][ T6479] RSP: 002b:00007faa1f842030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 152.190450][ T6479] RAX: ffffffffffffffda RBX: 00007faa1ebe5fa0 RCX: 00007faa1e98e15c
[ 152.198447][ T6479] RDX: 000000000000000f RSI: 00007faa1f8420a0 RDI: 0000000000000005
[ 152.206438][ T6479] RBP: 00007faa1f842090 R08: 0000000000000000 R09: 0000000000000000
[ 152.214431][ T6479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 152.222414][ T6479] R13: 00007faa1ebe6038 R14: 00007faa1ebe5fa0 R15: 00007ffe1fe21f18
[ 152.230415][ T6479]
[ 152.233457][ T6485] CPU: 1 PID: 6485 Comm: syz.3.226 Not tainted syzkaller #0
[ 152.240789][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 152.250869][ T6485] Call Trace:
[ 152.254162][ T6485]
[ 152.257108][ T6485] dump_stack_lvl+0x16c/0x230
[ 152.261817][ T6485] ? show_regs_print_info+0x20/0x20
[ 152.267033][ T6485] ? load_image+0x3b0/0x3b0
[ 152.271567][ T6485] ? __lock_acquire+0x7c80/0x7c80
[ 152.276607][ T6485] ? snprintf+0xdb/0x120
[ 152.280865][ T6485] should_fail_ex+0x39d/0x4d0
[ 152.285563][ T6485] _copy_to_user+0x2f/0xa0
[ 152.290009][ T6485] simple_read_from_buffer+0xe7/0x150
[ 152.295407][ T6485] proc_fail_nth_read+0x1e3/0x250
[ 152.300456][ T6485] ? proc_fault_inject_write+0x340/0x340
[ 152.306112][ T6485] ? fsnotify_perm+0x271/0x5e0
[ 152.310910][ T6485] ? proc_fault_inject_write+0x340/0x340
[ 152.316560][ T6485] vfs_read+0x27e/0x920
[ 152.320738][ T6485] ? kernel_read+0x1e0/0x1e0
[ 152.325351][ T6485] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 152.331004][ T6485] ? __fget_files+0x28/0x4d0
[ 152.335614][ T6485] ? __fget_files+0x44a/0x4d0
[ 152.340323][ T6485] ? __fdget_pos+0x2a3/0x330
[ 152.344933][ T6485] ? ksys_read+0x75/0x250
[ 152.349383][ T6485] ksys_read+0x147/0x250
[ 152.353644][ T6485] ? vfs_write+0x940/0x940
[ 152.358088][ T6485] do_syscall_64+0x55/0xb0
[ 152.362524][ T6485] ? clear_bhb_loop+0x40/0x90
[ 152.367214][ T6485] ? clear_bhb_loop+0x40/0x90
[ 152.371923][ T6485] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 152.377827][ T6485] RIP: 0033:0x7f739038e15c
[ 152.382259][ T6485] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 152.401884][ T6485] RSP: 002b:00007f7391291030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 152.410322][ T6485] RAX: ffffffffffffffda RBX: 00007f73905e6090 RCX: 00007f739038e15c
[ 152.418312][ T6485] RDX: 000000000000000f RSI: 00007f73912910a0 RDI: 0000000000000003
[ 152.426302][ T6485] RBP: 00007f7391291090 R08: 0000000000000000 R09: 0000000000000000
[ 152.434284][ T6485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 152.442267][ T6485] R13: 00007f73905e6128 R14: 00007f73905e6090 R15: 00007ffc59e0bd78
[ 152.450283][ T6485]
[ 152.462442][ T6488] CPU: 0 PID: 6488 Comm: syz.0.228 Not tainted syzkaller #0
[ 152.469783][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 152.479854][ T6488] Call Trace:
[ 152.483172][ T6488]
[ 152.486123][ T6488] dump_stack_lvl+0x16c/0x230
[ 152.490837][ T6488] ? show_regs_print_info+0x20/0x20
[ 152.496066][ T6488] ? load_image+0x3b0/0x3b0
[ 152.500644][ T6488] ? __lock_acquire+0x7c80/0x7c80
[ 152.505698][ T6488] ? snprintf+0xdb/0x120
[ 152.509978][ T6488] should_fail_ex+0x39d/0x4d0
[ 152.514692][ T6488] _copy_to_user+0x2f/0xa0
[ 152.519152][ T6488] simple_read_from_buffer+0xe7/0x150
[ 152.524567][ T6488] proc_fail_nth_read+0x1e3/0x250
[ 152.529626][ T6488] ? proc_fault_inject_write+0x340/0x340
[ 152.535285][ T6488] ? fsnotify_perm+0x271/0x5e0
[ 152.540087][ T6488] ? proc_fault_inject_write+0x340/0x340
[ 152.545751][ T6488] vfs_read+0x27e/0x920
[ 152.549937][ T6488] ? kernel_read+0x1e0/0x1e0
[ 152.554550][ T6488] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 152.560228][ T6488] ? __fget_files+0x28/0x4d0
[ 152.564867][ T6488] ? __fget_files+0x44a/0x4d0
[ 152.569590][ T6488] ? __fdget_pos+0x2a3/0x330
[ 152.574217][ T6488] ? ksys_read+0x75/0x250
[ 152.578585][ T6488] ksys_read+0x147/0x250
[ 152.582877][ T6488] ? vfs_write+0x940/0x940
[ 152.587324][ T6488] do_syscall_64+0x55/0xb0
[ 152.591792][ T6488] ? clear_bhb_loop+0x40/0x90
[ 152.596501][ T6488] ? clear_bhb_loop+0x40/0x90
2025/12/01 19:54:52 executed programs: 221
[ 152.601209][ T6488] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 152.607129][ T6488] RIP: 0033:0x7f1e4c98e15c
[ 152.608526][ T6491] FAULT_INJECTION: forcing a failure.
[ 152.608526][ T6491] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 152.611554][ T6488] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 152.611575][ T6488] RSP: 002b:00007f1e4d846030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 152.611598][ T6488] RAX: ffffffffffffffda RBX: 00007f1e4cbe5fa0 RCX: 00007f1e4c98e15c
[ 152.660724][ T6488] RDX: 000000000000000f RSI: 00007f1e4d8460a0 RDI: 0000000000000005
[ 152.668725][ T6488] RBP: 00007f1e4d846090 R08: 0000000000000000 R09: 0000000000000000
[ 152.676715][ T6488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 152.684711][ T6488] R13: 00007f1e4cbe6038 R14: 00007f1e4cbe5fa0 R15: 00007ffefd056ed8
[ 152.692706][ T6488]
[ 152.695761][ T6491] CPU: 1 PID: 6491 Comm: syz.3.230 Not tainted syzkaller #0
[ 152.703081][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 152.713159][ T6491] Call Trace:
[ 152.716449][ T6491]
[ 152.719394][ T6491] dump_stack_lvl+0x16c/0x230
[ 152.724100][ T6491] ? show_regs_print_info+0x20/0x20
[ 152.729316][ T6491] ? load_image+0x3b0/0x3b0
[ 152.733836][ T6491] ? __lock_acquire+0x7c80/0x7c80
[ 152.738867][ T6491] ? snprintf+0xdb/0x120
[ 152.743128][ T6491] should_fail_ex+0x39d/0x4d0
[ 152.747819][ T6491] _copy_to_user+0x2f/0xa0
[ 152.752241][ T6491] simple_read_from_buffer+0xe7/0x150
[ 152.757635][ T6491] proc_fail_nth_read+0x1e3/0x250
[ 152.762767][ T6491] ? proc_fault_inject_write+0x340/0x340
[ 152.768416][ T6491] ? fsnotify_perm+0x271/0x5e0
[ 152.773197][ T6491] ? proc_fault_inject_write+0x340/0x340
[ 152.778841][ T6491] vfs_read+0x27e/0x920
[ 152.783017][ T6491] ? kernel_read+0x1e0/0x1e0
[ 152.787628][ T6491] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 152.793294][ T6491] ? __fget_files+0x28/0x4d0
[ 152.797895][ T6491] ? __fget_files+0x44a/0x4d0
[ 152.802581][ T6491] ? __fdget_pos+0x2a3/0x330
[ 152.807182][ T6491] ? ksys_read+0x75/0x250
[ 152.811552][ T6491] ksys_read+0x147/0x250
[ 152.815824][ T6491] ? vfs_write+0x940/0x940
[ 152.820259][ T6491] do_syscall_64+0x55/0xb0
[ 152.824686][ T6491] ? clear_bhb_loop+0x40/0x90
[ 152.829372][ T6491] ? clear_bhb_loop+0x40/0x90
[ 152.834059][ T6491] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 152.839958][ T6491] RIP: 0033:0x7f739038e15c
[ 152.844388][ T6491] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 152.864000][ T6491] RSP: 002b:00007f73912b2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 152.872420][ T6491] RAX: ffffffffffffffda RBX: 00007f73905e5fa0 RCX: 00007f739038e15c
[ 152.880400][ T6491] RDX: 000000000000000f RSI: 00007f73912b20a0 RDI: 0000000000000005
[ 152.888380][ T6491] RBP: 00007f73912b2090 R08: 0000000000000000 R09: 0000000000000000
[ 152.896361][ T6491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 152.904338][ T6491] R13: 00007f73905e6038 R14: 00007f73905e5fa0 R15: 00007ffc59e0bd78
[ 152.912341][ T6491]
[ 152.918567][ T6486] CPU: 1 PID: 6486 Comm: syz.2.227 Not tainted syzkaller #0
[ 152.925906][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 152.935985][ T6486] Call Trace:
[ 152.939284][ T6486]
[ 152.942251][ T6486] dump_stack_lvl+0x16c/0x230
[ 152.946947][ T6486] ? show_regs_print_info+0x20/0x20
[ 152.952159][ T6486] ? load_image+0x3b0/0x3b0
[ 152.956678][ T6486] ? __lock_acquire+0x7c80/0x7c80
[ 152.961725][ T6486] ? snprintf+0xdb/0x120
[ 152.965975][ T6486] should_fail_ex+0x39d/0x4d0
[ 152.970671][ T6486] _copy_to_user+0x2f/0xa0
[ 152.975098][ T6486] simple_read_from_buffer+0xe7/0x150
[ 152.980491][ T6486] proc_fail_nth_read+0x1e3/0x250
[ 152.985527][ T6486] ? proc_fault_inject_write+0x340/0x340
[ 152.991176][ T6486] ? fsnotify_perm+0x271/0x5e0
[ 152.995960][ T6486] ? proc_fault_inject_write+0x340/0x340
[ 153.001605][ T6486] vfs_read+0x27e/0x920
[ 153.005771][ T6486] ? kernel_read+0x1e0/0x1e0
[ 153.010373][ T6486] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 153.016028][ T6486] ? __fget_files+0x28/0x4d0
[ 153.020662][ T6486] ? __fget_files+0x44a/0x4d0
[ 153.025356][ T6486] ? __fdget_pos+0x2a3/0x330
[ 153.029954][ T6486] ? ksys_read+0x75/0x250
[ 153.034301][ T6486] ksys_read+0x147/0x250
[ 153.038566][ T6486] ? vfs_write+0x940/0x940
[ 153.043109][ T6486] do_syscall_64+0x55/0xb0
[ 153.047543][ T6486] ? clear_bhb_loop+0x40/0x90
[ 153.052228][ T6486] ? clear_bhb_loop+0x40/0x90
[ 153.056922][ T6486] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 153.062821][ T6486] RIP: 0033:0x7f2949b8e15c
[ 153.067244][ T6486] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 153.086864][ T6486] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 153.095295][ T6486] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 153.103283][ T6486] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 153.111276][ T6486] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 153.119261][ T6486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 153.127251][ T6486] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 153.135336][ T6486]
[ 153.139897][ T6493] FAULT_INJECTION: forcing a failure.
[ 153.139897][ T6493] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.153169][ T6493] CPU: 0 PID: 6493 Comm: syz.1.229 Not tainted syzkaller #0
[ 153.160488][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 153.170567][ T6493] Call Trace:
[ 153.173878][ T6493]
[ 153.176842][ T6493] dump_stack_lvl+0x16c/0x230
[ 153.181564][ T6493] ? show_regs_print_info+0x20/0x20
[ 153.186801][ T6493] ? load_image+0x3b0/0x3b0
[ 153.191334][ T6493] ? __lock_acquire+0x7c80/0x7c80
[ 153.196373][ T6493] ? snprintf+0xdb/0x120
[ 153.200627][ T6493] should_fail_ex+0x39d/0x4d0
[ 153.205318][ T6493] _copy_to_user+0x2f/0xa0
[ 153.209738][ T6493] simple_read_from_buffer+0xe7/0x150
[ 153.215126][ T6493] proc_fail_nth_read+0x1e3/0x250
[ 153.220172][ T6493] ? proc_fault_inject_write+0x340/0x340
[ 153.225831][ T6493] ? fsnotify_perm+0x271/0x5e0
[ 153.230627][ T6493] ? proc_fault_inject_write+0x340/0x340
[ 153.236277][ T6493] vfs_read+0x27e/0x920
[ 153.240451][ T6493] ? kernel_read+0x1e0/0x1e0
[ 153.245046][ T6493] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 153.250693][ T6493] ? __fget_files+0x28/0x4d0
[ 153.255297][ T6493] ? __fget_files+0x44a/0x4d0
[ 153.259989][ T6493] ? __fdget_pos+0x2a3/0x330
[ 153.264588][ T6493] ? ksys_read+0x75/0x250
[ 153.268930][ T6493] ksys_read+0x147/0x250
[ 153.273198][ T6493] ? vfs_write+0x940/0x940
[ 153.277650][ T6493] do_syscall_64+0x55/0xb0
[ 153.282087][ T6493] ? clear_bhb_loop+0x40/0x90
[ 153.286780][ T6493] ? clear_bhb_loop+0x40/0x90
[ 153.291463][ T6493] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 153.297361][ T6493] RIP: 0033:0x7faa1e98e15c
[ 153.301784][ T6493] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 153.321493][ T6493] RSP: 002b:00007faa1f821030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 153.329924][ T6493] RAX: ffffffffffffffda RBX: 00007faa1ebe6090 RCX: 00007faa1e98e15c
[ 153.337908][ T6493] RDX: 000000000000000f RSI: 00007faa1f8210a0 RDI: 0000000000000003
[ 153.345895][ T6493] RBP: 00007faa1f821090 R08: 0000000000000000 R09: 0000000000000000
[ 153.353885][ T6493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 153.361883][ T6493] R13: 00007faa1ebe6128 R14: 00007faa1ebe6090 R15: 00007ffe1fe21f18
[ 153.369879][ T6493]
[ 153.375220][ T6496] FAULT_INJECTION: forcing a failure.
[ 153.375220][ T6496] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.388445][ T6496] CPU: 1 PID: 6496 Comm: syz.2.231 Not tainted syzkaller #0
[ 153.395762][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 153.405828][ T6496] Call Trace:
[ 153.409113][ T6496]
[ 153.412050][ T6496] dump_stack_lvl+0x16c/0x230
[ 153.416745][ T6496] ? show_regs_print_info+0x20/0x20
[ 153.421958][ T6496] ? load_image+0x3b0/0x3b0
[ 153.426490][ T6496] ? __lock_acquire+0x7c80/0x7c80
[ 153.431536][ T6496] ? snprintf+0xdb/0x120
[ 153.435793][ T6496] should_fail_ex+0x39d/0x4d0
[ 153.440506][ T6496] _copy_to_user+0x2f/0xa0
[ 153.444935][ T6496] simple_read_from_buffer+0xe7/0x150
[ 153.450333][ T6496] proc_fail_nth_read+0x1e3/0x250
[ 153.455377][ T6496] ? proc_fault_inject_write+0x340/0x340
[ 153.461029][ T6496] ? fsnotify_perm+0x271/0x5e0
[ 153.465813][ T6496] ? proc_fault_inject_write+0x340/0x340
[ 153.471461][ T6496] vfs_read+0x27e/0x920
[ 153.475638][ T6496] ? kernel_read+0x1e0/0x1e0
[ 153.480262][ T6496] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 153.485942][ T6496] ? __fget_files+0x28/0x4d0
[ 153.490550][ T6496] ? __fget_files+0x44a/0x4d0
[ 153.495258][ T6496] ? __fdget_pos+0x2a3/0x330
[ 153.499867][ T6496] ? ksys_read+0x75/0x250
[ 153.504222][ T6496] ksys_read+0x147/0x250
[ 153.508487][ T6496] ? vfs_write+0x940/0x940
[ 153.512932][ T6496] do_syscall_64+0x55/0xb0
[ 153.517365][ T6496] ? clear_bhb_loop+0x40/0x90
[ 153.522063][ T6496] ? clear_bhb_loop+0x40/0x90
[ 153.526749][ T6496] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 153.532650][ T6496] RIP: 0033:0x7f2949b8e15c
[ 153.537077][ T6496] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 153.556692][ T6496] RSP: 002b:00007f294aa7f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 153.565130][ T6496] RAX: ffffffffffffffda RBX: 00007f2949de6090 RCX: 00007f2949b8e15c
[ 153.573119][ T6496] RDX: 000000000000000f RSI: 00007f294aa7f0a0 RDI: 0000000000000003
[ 153.581105][ T6496] RBP: 00007f294aa7f090 R08: 0000000000000000 R09: 0000000000000000
[ 153.589110][ T6496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 153.597096][ T6496] R13: 00007f2949de6128 R14: 00007f2949de6090 R15: 00007ffe4839ef38
[ 153.605129][ T6496]
[ 153.664221][ T6498] FAULT_INJECTION: forcing a failure.
[ 153.664221][ T6498] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.680379][ T6502] FAULT_INJECTION: forcing a failure.
[ 153.680379][ T6502] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.684928][ T6498] CPU: 0 PID: 6498 Comm: syz.2.234 Not tainted syzkaller #0
[ 153.700736][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 153.710806][ T6498] Call Trace:
[ 153.714096][ T6498]
[ 153.717035][ T6498] dump_stack_lvl+0x16c/0x230
[ 153.721735][ T6498] ? show_regs_print_info+0x20/0x20
[ 153.726775][ T6500] FAULT_INJECTION: forcing a failure.
[ 153.726775][ T6500] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.726941][ T6498] ? load_image+0x3b0/0x3b0
[ 153.744510][ T6498] ? __lock_acquire+0x7c80/0x7c80
[ 153.749580][ T6498] ? snprintf+0xdb/0x120
[ 153.753867][ T6498] should_fail_ex+0x39d/0x4d0
[ 153.758569][ T6498] _copy_to_user+0x2f/0xa0
[ 153.763027][ T6498] simple_read_from_buffer+0xe7/0x150
[ 153.768430][ T6498] proc_fail_nth_read+0x1e3/0x250
[ 153.773476][ T6498] ? proc_fault_inject_write+0x340/0x340
[ 153.779143][ T6498] ? fsnotify_perm+0x271/0x5e0
[ 153.783949][ T6498] ? proc_fault_inject_write+0x340/0x340
[ 153.785685][ T6504] FAULT_INJECTION: forcing a failure.
[ 153.785685][ T6504] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 153.789602][ T6498] vfs_read+0x27e/0x920
[ 153.806794][ T6498] ? kernel_read+0x1e0/0x1e0
[ 153.811399][ T6498] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 153.817065][ T6498] ? __fget_files+0x28/0x4d0
[ 153.821676][ T6498] ? __fget_files+0x44a/0x4d0
[ 153.826370][ T6498] ? __fdget_pos+0x2a3/0x330
[ 153.830971][ T6498] ? ksys_read+0x75/0x250
[ 153.835328][ T6498] ksys_read+0x147/0x250
[ 153.839597][ T6498] ? vfs_write+0x940/0x940
[ 153.844036][ T6498] do_syscall_64+0x55/0xb0
[ 153.848473][ T6498] ? clear_bhb_loop+0x40/0x90
[ 153.853190][ T6498] ? clear_bhb_loop+0x40/0x90
[ 153.857884][ T6498] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 153.863790][ T6498] RIP: 0033:0x7f2949b8e15c
[ 153.868215][ T6498] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 153.887833][ T6498] RSP: 002b:00007f294aaa0030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 153.896263][ T6498] RAX: ffffffffffffffda RBX: 00007f2949de5fa0 RCX: 00007f2949b8e15c
[ 153.904256][ T6498] RDX: 000000000000000f RSI: 00007f294aaa00a0 RDI: 0000000000000005
[ 153.912233][ T6498] RBP: 00007f294aaa0090 R08: 0000000000000000 R09: 0000000000000000
[ 153.920217][ T6498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 153.928197][ T6498] R13: 00007f2949de6038 R14: 00007f2949de5fa0 R15: 00007ffe4839ef38
[ 153.936214][ T6498]
[ 153.970716][ T6502] CPU: 0 PID: 6502 Comm: syz.1.232 Not tainted syzkaller #0
[ 153.978062][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 153.988128][ T6502] Call Trace:
[ 153.991418][ T6502]
[ 153.994359][ T6502] dump_stack_lvl+0x16c/0x230
[ 153.999061][ T6502] ? show_regs_print_info+0x20/0x20
[ 154.004282][ T6502] ? load_image+0x3b0/0x3b0
[ 154.008803][ T6502] ? __lock_acquire+0x7c80/0x7c80
[ 154.013839][ T6502] ? snprintf+0xdb/0x120
[ 154.018092][ T6502] should_fail_ex+0x39d/0x4d0
[ 154.022794][ T6502] _copy_to_user+0x2f/0xa0
[ 154.027226][ T6502] simple_read_from_buffer+0xe7/0x150
[ 154.032630][ T6502] proc_fail_nth_read+0x1e3/0x250
[ 154.037677][ T6502] ? proc_fault_inject_write+0x340/0x340
[ 154.043326][ T6502] ? fsnotify_perm+0x271/0x5e0
[ 154.048104][ T6502] ? proc_fault_inject_write+0x340/0x340
[ 154.053765][ T6502] vfs_read+0x27e/0x920
[ 154.057962][ T6502] ? kernel_read+0x1e0/0x1e0
[ 154.062568][ T6502] ? __mutex_unlock_slowpath+0x1a2/0x6a0
[ 154.068229][ T6502] ? __fget_files+0x28/0x4d0
[ 154.072846][ T6502] ? __fget_files+0x44a/0x4d0
[ 154.077546][ T6502] ? __fdget_pos+0x2a3/0x330
[ 154.082154][ T6502] ? ksys_read+0x75/0x250
[ 154.086511][ T6502] ksys_read+0x147/0x250
[ 154.090777][ T6502] ? vfs_write+0x940/0x940
[ 154.095220][ T6502] do_syscall_64+0x55/0xb0
[ 154.099656][ T6502] ? clear_bhb_loop+0x40/0x90
[ 154.104347][ T6502] ? clear_bhb_loop+0x40/0x90
[ 154.109046][ T6502] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 154.114952][ T6502] RIP: 0033:0x7faa1e98e15c