[ 114.879588][ T12] hsr_slave_0: left promiscuous mode [ 114.916643][ T12] hsr_slave_1: left promiscuous mode [ 114.917562][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 114.917586][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 114.977246][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 114.977271][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 115.069404][ T12] veth1_macvtap: left promiscuous mode [ 115.069512][ T12] veth0_macvtap: left promiscuous mode [ 115.069678][ T12] veth1_vlan: left promiscuous mode [ 115.069777][ T12] veth0_vlan: left promiscuous mode [ 115.738273][ T12] team0 (unregistering): Port device team_slave_1 removed [ 115.777127][ T12] team0 (unregistering): Port device team_slave_0 removed [ 115.948216][ T5254] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. [ 120.250431][ T5940] FAULT_INJECTION: forcing a failure. [ 120.250431][ T5940] name failslab, interval 1, probability 0, space 0, times 1 [ 120.250463][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 120.250479][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 120.250493][ T5940] Call Trace: [ 120.250497][ T5940] [ 120.250502][ T5940] dump_stack_lvl+0xe8/0x150 [ 120.250525][ T5940] should_fail_ex+0x467/0x600 [ 120.250545][ T5940] should_failslab+0xa8/0x100 [ 120.250561][ T5940] __kmalloc_noprof+0xfe/0x780 [ 120.250573][ T5940] ? rcu_is_watching+0x15/0xb0 [ 120.250589][ T5940] ? tomoyo_realpath_from_path+0xef/0x640 [ 120.250599][ T5940] ? tomoyo_realpath_from_path+0xef/0x640 [ 120.250613][ T5940] tomoyo_realpath_from_path+0xef/0x640 [ 120.250628][ T5940] ? tomoyo_path_number_perm+0x219/0x5f0 [ 120.250642][ T5940] tomoyo_path_number_perm+0x246/0x5f0 [ 120.250657][ T5940] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 120.250673][ T5940] ? sb_end_write+0xe5/0x190 [ 120.250685][ T5940] ? vfs_write+0x9e0/0xbb0 [ 120.250702][ T5940] ? hook_file_ioctl+0x1f3/0x600 [ 120.250726][ T5940] ? ksys_write+0x202/0x270 [ 120.250744][ T5940] security_file_ioctl+0xc3/0x2a0 [ 120.250759][ T5940] __se_sys_ioctl+0x47/0x170 [ 120.250775][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.250786][ T5940] do_syscall_64+0x15f/0x560 [ 120.250800][ T5940] ? trace_irq_disable+0x3b/0x140 [ 120.250813][ T5940] ? clear_bhb_loop+0x40/0x90 [ 120.250825][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.250835][ T5940] RIP: 0033:0x7f3427aa28fb [ 120.250848][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 120.250856][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 120.250872][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 120.250879][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 120.250885][ T5940] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 120.250890][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 120.250896][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000001 R15: 00007ffc11fd08e0 [ 120.250911][ T5940] [ 120.250916][ T5940] ERROR: Out of memory at tomoyo_realpath_from_path. [ 120.705187][ T5940] block nbd1: shutting down sockets [ 120.913442][ T5940] block nbd1: NBD_DISCONNECT [ 120.913547][ T5940] block nbd1: Send disconnect failed -32 [ 120.913558][ T5940] block nbd1: Send disconnect failed -32 [ 121.150368][ T5940] FAULT_INJECTION: forcing a failure. [ 121.150368][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 121.150391][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 121.150404][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 121.150410][ T5940] Call Trace: [ 121.150414][ T5940] [ 121.150418][ T5940] dump_stack_lvl+0xe8/0x150 [ 121.150436][ T5940] should_fail_ex+0x467/0x600 [ 121.150455][ T5940] should_failslab+0xa8/0x100 [ 121.150471][ T5940] __kmalloc_noprof+0xfe/0x780 [ 121.150484][ T5940] ? tomoyo_encode+0x2ad/0x570 [ 121.150494][ T5940] ? tomoyo_encode+0x2ad/0x570 [ 121.150506][ T5940] tomoyo_encode+0x2ad/0x570 [ 121.150519][ T5940] tomoyo_realpath_from_path+0x5fa/0x640 [ 121.150534][ T5940] ? tomoyo_path_number_perm+0x219/0x5f0 [ 121.150548][ T5940] tomoyo_path_number_perm+0x246/0x5f0 [ 121.150563][ T5940] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 121.150578][ T5940] ? sb_end_write+0xe5/0x190 [ 121.150591][ T5940] ? vfs_write+0x9e0/0xbb0 [ 121.150608][ T5940] ? hook_file_ioctl+0x1f3/0x600 [ 121.150632][ T5940] ? ksys_write+0x202/0x270 [ 121.150649][ T5940] security_file_ioctl+0xc3/0x2a0 [ 121.150665][ T5940] __se_sys_ioctl+0x47/0x170 [ 121.150680][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.150691][ T5940] do_syscall_64+0x15f/0x560 [ 121.150706][ T5940] ? trace_irq_disable+0x3b/0x140 [ 121.150718][ T5940] ? clear_bhb_loop+0x40/0x90 [ 121.150731][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.150740][ T5940] RIP: 0033:0x7f3427aa28fb [ 121.150750][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 121.150758][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 121.150770][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 121.150777][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 121.150782][ T5940] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 121.150787][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 121.150794][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000002 R15: 00007ffc11fd08e0 [ 121.150809][ T5940] [ 121.553493][ T5940] block nbd2: shutting down sockets [ 121.745591][ T5940] block nbd2: NBD_DISCONNECT [ 121.745617][ T5940] block nbd2: Send disconnect failed -32 [ 121.745635][ T5940] block nbd2: Send disconnect failed -32 [ 122.035920][ T5940] FAULT_INJECTION: forcing a failure. [ 122.035920][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 122.035951][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 122.035972][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 122.035983][ T5940] Call Trace: [ 122.035990][ T5940] [ 122.035998][ T5940] dump_stack_lvl+0xe8/0x150 [ 122.036026][ T5940] should_fail_ex+0x467/0x600 [ 122.036060][ T5940] should_failslab+0xa8/0x100 [ 122.036089][ T5940] __kmalloc_cache_noprof+0xa0/0x6b0 [ 122.036113][ T5940] ? tomoyo_init_log+0x195/0x1fa0 [ 122.036132][ T5940] ? tomoyo_init_log+0x195/0x1fa0 [ 122.036158][ T5940] tomoyo_init_log+0x195/0x1fa0 [ 122.036180][ T5940] ? kasan_save_track+0x4f/0x80 [ 122.036202][ T5940] ? kasan_save_track+0x3e/0x80 [ 122.036222][ T5940] ? kasan_save_free_info+0x40/0x50 [ 122.036243][ T5940] ? format_decode+0xdc/0xda0 [ 122.036266][ T5940] ? widen_string+0x3b/0x2a0 [ 122.036287][ T5940] ? string+0x28a/0x2d0 [ 122.036311][ T5940] ? __pfx_tomoyo_init_log+0x10/0x10 [ 122.036332][ T5940] ? tomoyo_profile+0x11/0x50 [ 122.036351][ T5940] ? tomoyo_domain_quota_is_ok+0x422/0x570 [ 122.036392][ T5940] tomoyo_supervisor+0x35f/0x1560 [ 122.036420][ T5940] ? __pfx_tomoyo_supervisor+0x10/0x10 [ 122.036449][ T5940] ? snprintf+0xe8/0x140 [ 122.036477][ T5940] ? __pfx_snprintf+0x10/0x10 [ 122.036501][ T5940] ? tomoyo_check_acl+0x386/0x400 [ 122.036532][ T5940] tomoyo_path_number_perm+0x463/0x5f0 [ 122.036556][ T5940] ? tomoyo_path_number_perm+0x219/0x5f0 [ 122.036582][ T5940] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 122.036613][ T5940] ? vfs_write+0x9e0/0xbb0 [ 122.036646][ T5940] ? hook_file_ioctl+0x1f3/0x600 [ 122.036692][ T5940] ? ksys_write+0x202/0x270 [ 122.036725][ T5940] security_file_ioctl+0xc3/0x2a0 [ 122.036754][ T5940] __se_sys_ioctl+0x47/0x170 [ 122.036782][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.036803][ T5940] do_syscall_64+0x15f/0x560 [ 122.036828][ T5940] ? trace_irq_disable+0x3b/0x140 [ 122.036852][ T5940] ? clear_bhb_loop+0x40/0x90 [ 122.036873][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.036892][ T5940] RIP: 0033:0x7f3427aa28fb [ 122.036910][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 122.036924][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 122.036945][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 122.036958][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 122.036969][ T5940] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 122.036980][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 122.036992][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000003 R15: 00007ffc11fd08e0 [ 122.037021][ T5940] [ 122.450026][ T5940] block nbd3: shutting down sockets [ 122.602072][ T5940] block nbd3: NBD_DISCONNECT [ 122.602091][ T5940] block nbd3: Send disconnect failed -32 [ 122.602101][ T5940] block nbd3: Send disconnect failed -32 [ 122.847654][ T5940] FAULT_INJECTION: forcing a failure. [ 122.847654][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 122.847674][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 122.847686][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 122.847692][ T5940] Call Trace: [ 122.847696][ T5940] [ 122.847700][ T5940] dump_stack_lvl+0xe8/0x150 [ 122.847717][ T5940] should_fail_ex+0x467/0x600 [ 122.847737][ T5940] should_failslab+0xa8/0x100 [ 122.847753][ T5940] __kmalloc_noprof+0xfe/0x780 [ 122.847766][ T5940] ? tomoyo_init_log+0x1aaf/0x1fa0 [ 122.847776][ T5940] ? tomoyo_init_log+0x1aaf/0x1fa0 [ 122.847789][ T5940] tomoyo_init_log+0x1aaf/0x1fa0 [ 122.847810][ T5940] ? __pfx_tomoyo_init_log+0x10/0x10 [ 122.847821][ T5940] ? tomoyo_profile+0x11/0x50 [ 122.847830][ T5940] ? tomoyo_domain_quota_is_ok+0x422/0x570 [ 122.847847][ T5940] tomoyo_supervisor+0x35f/0x1560 [ 122.847863][ T5940] ? __pfx_tomoyo_supervisor+0x10/0x10 [ 122.847879][ T5940] ? snprintf+0xe8/0x140 [ 122.847899][ T5940] ? __pfx_snprintf+0x10/0x10 [ 122.847921][ T5940] ? tomoyo_check_acl+0x386/0x400 [ 122.847950][ T5940] tomoyo_path_number_perm+0x463/0x5f0 [ 122.847965][ T5940] ? tomoyo_path_number_perm+0x219/0x5f0 [ 122.847978][ T5940] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 122.847996][ T5940] ? vfs_write+0x9e0/0xbb0 [ 122.848014][ T5940] ? hook_file_ioctl+0x1f3/0x600 [ 122.848038][ T5940] ? ksys_write+0x202/0x270 [ 122.848055][ T5940] security_file_ioctl+0xc3/0x2a0 [ 122.848071][ T5940] __se_sys_ioctl+0x47/0x170 [ 122.848086][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.848097][ T5940] do_syscall_64+0x15f/0x560 [ 122.848111][ T5940] ? trace_irq_disable+0x3b/0x140 [ 122.848123][ T5940] ? clear_bhb_loop+0x40/0x90 [ 122.848135][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.848145][ T5940] RIP: 0033:0x7f3427aa28fb [ 122.848155][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 122.848162][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 122.848174][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 122.848181][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 122.848186][ T5940] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 122.848192][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 122.848198][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000004 R15: 00007ffc11fd08e0 [ 122.848213][ T5940] [ 123.116086][ T5940] block nbd4: shutting down sockets [ 123.250212][ T5940] block nbd4: NBD_DISCONNECT [ 123.250231][ T5940] block nbd4: Send disconnect failed -32 [ 123.250241][ T5940] block nbd4: Send disconnect failed -32 [ 123.490055][ T5940] FAULT_INJECTION: forcing a failure. [ 123.490055][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 123.490079][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.490091][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 123.490098][ T5940] Call Trace: [ 123.490101][ T5940] [ 123.490106][ T5940] dump_stack_lvl+0xe8/0x150 [ 123.490123][ T5940] should_fail_ex+0x467/0x600 [ 123.490143][ T5940] should_failslab+0xa8/0x100 [ 123.490159][ T5940] __kmalloc_noprof+0xfe/0x780 [ 123.490172][ T5940] ? tomoyo_supervisor+0xc53/0x1560 [ 123.490183][ T5940] ? tomoyo_supervisor+0xc53/0x1560 [ 123.490197][ T5940] tomoyo_supervisor+0xc53/0x1560 [ 123.490213][ T5940] ? __pfx_tomoyo_supervisor+0x10/0x10 [ 123.490228][ T5940] ? snprintf+0xe8/0x140 [ 123.490244][ T5940] ? __pfx_snprintf+0x10/0x10 [ 123.490256][ T5940] ? tomoyo_check_acl+0x386/0x400 [ 123.490272][ T5940] tomoyo_path_number_perm+0x463/0x5f0 [ 123.490286][ T5940] ? tomoyo_path_number_perm+0x219/0x5f0 [ 123.490300][ T5940] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 123.490317][ T5940] ? vfs_write+0x9e0/0xbb0 [ 123.490335][ T5940] ? hook_file_ioctl+0x1f3/0x600 [ 123.490363][ T5940] ? ksys_write+0x202/0x270 [ 123.490380][ T5940] security_file_ioctl+0xc3/0x2a0 [ 123.490398][ T5940] __se_sys_ioctl+0x47/0x170 [ 123.490417][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.490428][ T5940] do_syscall_64+0x15f/0x560 [ 123.490442][ T5940] ? trace_irq_disable+0x3b/0x140 [ 123.490455][ T5940] ? clear_bhb_loop+0x40/0x90 [ 123.490467][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.490477][ T5940] RIP: 0033:0x7f3427aa28fb [ 123.490488][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 123.490496][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 123.490507][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 123.490514][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 123.490520][ T5940] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 123.490525][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 123.490531][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000005 R15: 00007ffc11fd08e0 [ 123.490546][ T5940] [ 123.731843][ T5940] block nbd5: shutting down sockets [ 123.892050][ T5940] block nbd5: NBD_DISCONNECT [ 123.892070][ T5940] block nbd5: Send disconnect failed -32 [ 123.892080][ T5940] block nbd5: Send disconnect failed -32 [ 124.376124][ T5940] block nbd6: shutting down sockets [ 124.534108][ T5940] block nbd6: NBD_DISCONNECT [ 124.534126][ T5940] block nbd6: Send disconnect failed -32 [ 124.534136][ T5940] block nbd6: Send disconnect failed -32 [ 124.770017][ T5940] FAULT_INJECTION: forcing a failure. [ 124.770017][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 124.770037][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 124.770050][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 124.770056][ T5940] Call Trace: [ 124.770060][ T5940] [ 124.770064][ T5940] dump_stack_lvl+0xe8/0x150 [ 124.770082][ T5940] should_fail_ex+0x467/0x600 [ 124.770101][ T5940] should_failslab+0xa8/0x100 [ 124.770117][ T5940] __kvmalloc_node_noprof+0x17a/0x8a0 [ 124.770132][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 124.770145][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 124.770160][ T5940] sbitmap_init_node+0x2bc/0x630 [ 124.770175][ T5940] sbitmap_queue_init_node+0x3e/0x4d0 [ 124.770190][ T5940] blk_mq_init_tags+0x164/0x2d0 [ 124.770204][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 124.770222][ T5940] ? __kmalloc_noprof+0x43b/0x780 [ 124.770233][ T5940] ? xa_load+0x60/0x210 [ 124.770243][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 124.770257][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 124.770275][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 124.770294][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 124.770311][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 124.770329][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 124.770346][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 124.770356][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 124.770373][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 124.770389][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 124.770406][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 124.770421][ T5940] ? nbd_start_device+0x17d/0xb30 [ 124.770437][ T5940] nbd_start_device+0x189/0xb30 [ 124.770451][ T5940] ? nbd_ioctl+0x133/0xe60 [ 124.770465][ T5940] nbd_ioctl+0x579/0xe60 [ 124.770480][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 124.770492][ T5940] ? __asan_memset+0x22/0x50 [ 124.770502][ T5940] ? smack_file_ioctl+0x263/0x360 [ 124.770517][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 124.770531][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 124.770544][ T5940] blkdev_ioctl+0x5e6/0x750 [ 124.770555][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 124.770566][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 124.770578][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 124.770587][ T5940] __se_sys_ioctl+0xff/0x170 [ 124.770602][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.770614][ T5940] do_syscall_64+0x15f/0x560 [ 124.770627][ T5940] ? trace_irq_disable+0x3b/0x140 [ 124.770640][ T5940] ? clear_bhb_loop+0x40/0x90 [ 124.770653][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.770662][ T5940] RIP: 0033:0x7f3427aa28fb [ 124.770672][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 124.770680][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 124.770691][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 124.770698][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 124.770704][ T5940] RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 [ 124.770709][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 124.770715][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000007 R15: 00007ffc11fd08e0 [ 124.770738][ T5940] [ 124.871089][ T5940] block nbd7: shutting down sockets [ 125.043210][ T5940] block nbd7: NBD_DISCONNECT [ 125.043238][ T5940] block nbd7: Send disconnect failed -32 [ 125.043258][ T5940] block nbd7: Send disconnect failed -32 [ 125.280097][ T5940] FAULT_INJECTION: forcing a failure. [ 125.280097][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 125.280118][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 125.280130][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 125.280137][ T5940] Call Trace: [ 125.280141][ T5940] [ 125.280145][ T5940] dump_stack_lvl+0xe8/0x150 [ 125.280163][ T5940] should_fail_ex+0x467/0x600 [ 125.280191][ T5940] should_failslab+0xa8/0x100 [ 125.280207][ T5940] __kmalloc_cache_node_noprof+0xa9/0x6a0 [ 125.280221][ T5940] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.280234][ T5940] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.280250][ T5940] sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.280263][ T5940] blk_mq_init_tags+0x164/0x2d0 [ 125.280278][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 125.280295][ T5940] ? __kmalloc_noprof+0x43b/0x780 [ 125.280307][ T5940] ? xa_load+0x60/0x210 [ 125.280316][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 125.280330][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 125.280348][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 125.280367][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 125.280384][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 125.280401][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 125.280419][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 125.280429][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 125.280446][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 125.280462][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 125.280479][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 125.280494][ T5940] ? nbd_start_device+0x17d/0xb30 [ 125.280510][ T5940] nbd_start_device+0x189/0xb30 [ 125.280524][ T5940] ? nbd_ioctl+0x133/0xe60 [ 125.280539][ T5940] nbd_ioctl+0x579/0xe60 [ 125.280554][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 125.280565][ T5940] ? __asan_memset+0x22/0x50 [ 125.280576][ T5940] ? smack_file_ioctl+0x263/0x360 [ 125.280590][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 125.280604][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 125.280618][ T5940] blkdev_ioctl+0x5e6/0x750 [ 125.280628][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 125.280640][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 125.280652][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 125.280661][ T5940] __se_sys_ioctl+0xff/0x170 [ 125.280677][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.280688][ T5940] do_syscall_64+0x15f/0x560 [ 125.280701][ T5940] ? trace_irq_disable+0x3b/0x140 [ 125.280714][ T5940] ? clear_bhb_loop+0x40/0x90 [ 125.280726][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.280736][ T5940] RIP: 0033:0x7f3427aa28fb [ 125.280746][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 125.280754][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 125.280765][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 125.280772][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 125.280778][ T5940] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 125.280783][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 125.280789][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000008 R15: 00007ffc11fd08e0 [ 125.280804][ T5940] [ 125.380210][ T5940] block nbd8: shutting down sockets [ 125.553750][ T5940] block nbd8: NBD_DISCONNECT [ 125.553776][ T5940] block nbd8: Send disconnect failed -32 [ 125.553794][ T5940] block nbd8: Send disconnect failed -32 [ 125.780156][ T5940] FAULT_INJECTION: forcing a failure. [ 125.780156][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 125.780177][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 125.780189][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 125.780195][ T5940] Call Trace: [ 125.780199][ T5940] [ 125.780203][ T5940] dump_stack_lvl+0xe8/0x150 [ 125.780220][ T5940] should_fail_ex+0x467/0x600 [ 125.780240][ T5940] should_failslab+0xa8/0x100 [ 125.780256][ T5940] __kmalloc_cache_node_noprof+0xa9/0x6a0 [ 125.780270][ T5940] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.780283][ T5940] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.780298][ T5940] sbitmap_queue_init_node+0x1dc/0x4d0 [ 125.780312][ T5940] blk_mq_init_tags+0x164/0x2d0 [ 125.780327][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 125.780344][ T5940] ? __kmalloc_noprof+0x43b/0x780 [ 125.780356][ T5940] ? xa_load+0x60/0x210 [*] Starting reproducer... [+] open /proc/self/fail-nth successful. [+] signal successful. [*] Iteration 1, fail_nth=1 [+] open /dev/nbd1 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd1 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd1 [*] Iteration 2, fail_nth=2 [+] open /dev/nbd2 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd2 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd2 [*] Iteration 3, fail_nth=3 [+] open /dev/nbd3 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd3 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd3 [*] Iteration 4, fail_nth=4 [+] open /dev/nbd4 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd4 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd4 [*] Iteration 5, fail_nth=5 [+] open /dev/nbd5 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd5 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd5 [*] Iteration 6, fail_nth=6 [+] open /dev/nbd6 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd6 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd6 [*] Iteration 7, fail_nth=7 [+] open /dev/nbd7 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd7 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd7 [*] Iteration 8, fail_nth=8 [+] open /dev/nbd8 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd8 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd8 [*] Iteration 9, fail_nth=9 [+] open /dev/nbd9 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd9 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [ 125.780372][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 125.780387][ T5940] ? blk_mq_alloc_sched_tags+0x6e/0x380 [ 125.780405][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 125.780424][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 125.780441][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 125.780458][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 125.780475][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 125.780486][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 125.780503][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 125.780519][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 125.780535][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 125.780551][ T5940] ? nbd_start_device+0x17d/0xb30 [ 125.780566][ T5940] nbd_start_device+0x189/0xb30 [ 125.780581][ T5940] ? nbd_ioctl+0x133/0xe60 [ 125.780595][ T5940] nbd_ioctl+0x579/0xe60 [ 125.780610][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 125.780644][ T5940] ? __asan_memset+0x22/0x50 [ 125.780655][ T5940] ? smack_file_ioctl+0x263/0x360 [ 125.780669][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 125.780683][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 125.780696][ T5940] blkdev_ioctl+0x5e6/0x750 [ 125.780707][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 125.780718][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 125.780730][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 125.780739][ T5940] __se_sys_ioctl+0xff/0x170 [ 125.780755][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.780766][ T5940] do_syscall_64+0x15f/0x560 [ 125.780780][ T5940] ? trace_irq_disable+0x3b/0x140 [ 125.780793][ T5940] ? clear_bhb_loop+0x40/0x90 [ 125.780805][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.780815][ T5940] RIP: 0033:0x7f3427aa28fb [ 125.780825][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 125.780833][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 125.780845][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 125.780852][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 125.780858][ T5940] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 [ 125.780863][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 125.780869][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000009 R15: 00007ffc11fd08e0 [ 125.780884][ T5940] [ 125.880162][ T5940] block nbd9: shutting down sockets [ 126.056682][ T5940] block nbd9: NBD_DISCONNECT [ 126.056710][ T5940] block nbd9: Send disconnect failed -32 [ 126.057857][ T5940] block nbd9: Send disconnect failed -32 [ 126.397747][ T5940] block nbd10: shutting down sockets [ 126.570664][ T5940] block nbd10: NBD_DISCONNECT [ 126.570684][ T5940] block nbd10: Send disconnect failed -32 [ 126.570694][ T5940] block nbd10: Send disconnect failed -32 [ 126.903566][ T5940] block nbd11: shutting down sockets [ 127.089021][ T5940] block nbd11: NBD_DISCONNECT [ 127.089048][ T5940] block nbd11: Send disconnect failed -32 [ 127.089066][ T5940] block nbd11: Send disconnect failed -32 [ 127.603897][ T5940] block nbd12: shutting down sockets [ 127.775355][ T5940] block nbd12: NBD_DISCONNECT [ 127.775379][ T5940] block nbd12: Send disconnect failed -32 [ 127.775396][ T5940] block nbd12: Send disconnect failed -32 [ 128.303175][ T5940] block nbd13: shutting down sockets [ 128.452526][ T5940] block nbd13: NBD_DISCONNECT [ 128.452544][ T5940] block nbd13: Send disconnect failed -32 [ 128.452555][ T5940] block nbd13: Send disconnect failed -32 [ 128.707780][ T5940] FAULT_INJECTION: forcing a failure. [ 128.707780][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 128.707800][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 128.707812][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 128.707819][ T5940] Call Trace: [ 128.707823][ T5940] [ 128.707827][ T5940] dump_stack_lvl+0xe8/0x150 [ 128.707869][ T5940] should_fail_ex+0x467/0x600 [ 128.707888][ T5940] should_failslab+0xa8/0x100 [ 128.707907][ T5940] __kmalloc_cache_node_noprof+0xa9/0x6a0 [ 128.707929][ T5940] ? blk_mq_init_tags+0x83/0x2d0 [ 128.707949][ T5940] ? blk_mq_init_tags+0x83/0x2d0 [ 128.707966][ T5940] blk_mq_init_tags+0x83/0x2d0 [ 128.707979][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 128.708003][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 128.708022][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 128.708040][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 128.708057][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 128.708074][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 128.708085][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 128.708102][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 128.708118][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 128.708135][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 128.708151][ T5940] ? nbd_start_device+0x17d/0xb30 [ 128.708167][ T5940] nbd_start_device+0x189/0xb30 [ 128.708182][ T5940] ? nbd_ioctl+0x133/0xe60 [ 128.708196][ T5940] nbd_ioctl+0x579/0xe60 [ 128.708211][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 128.708222][ T5940] ? __asan_memset+0x22/0x50 [ 128.708233][ T5940] ? smack_file_ioctl+0x263/0x360 [ 128.708247][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 128.708262][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 128.708275][ T5940] blkdev_ioctl+0x5e6/0x750 [ 128.708285][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 128.708296][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 128.708309][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 128.708318][ T5940] __se_sys_ioctl+0xff/0x170 [ 128.708336][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.708352][ T5940] do_syscall_64+0x15f/0x560 [ 128.708370][ T5940] ? clear_bhb_loop+0x40/0x90 [ 128.708383][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.708392][ T5940] RIP: 0033:0x7f3427aa28fb [ 128.708403][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 128.708411][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 128.708422][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 128.708429][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 128.708435][ T5940] RBP: 000000000000000e R08: 0000000000000000 R09: 0000000000000000 [ 128.708440][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 128.708446][ T5940] R13: 00007ffc11fd08c0 R14: 000000000000000e R15: 00007ffc11fd08e0 [ 128.708462][ T5940] [ 128.807703][ T5940] block nbd14: shutting down sockets [ 128.997476][ T5940] block nbd14: NBD_DISCONNECT [ 128.997503][ T5940] block nbd14: Send disconnect failed -32 [ 128.997520][ T5940] block nbd14: Send disconnect failed -32 [ 129.228460][ T5940] FAULT_INJECTION: forcing a failure. [ 129.228460][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 129.228481][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.228493][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 129.228499][ T5940] Call Trace: [ 129.228503][ T5940] [ 129.228507][ T5940] dump_stack_lvl+0xe8/0x150 [ 129.228525][ T5940] should_fail_ex+0x467/0x600 [ 129.228544][ T5940] should_failslab+0xa8/0x100 [ 129.228560][ T5940] __kvmalloc_node_noprof+0x17a/0x8a0 [ 129.228575][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 129.228587][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 129.228602][ T5940] sbitmap_init_node+0x2bc/0x630 [ 129.228617][ T5940] sbitmap_queue_init_node+0x3e/0x4d0 [ 129.228632][ T5940] blk_mq_init_tags+0x164/0x2d0 [ 129.228646][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 129.228669][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 129.228688][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 129.228706][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 129.228723][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 129.228740][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 129.228751][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 129.228767][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 129.228787][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 129.228804][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 129.228820][ T5940] ? nbd_start_device+0x17d/0xb30 [ 129.228836][ T5940] nbd_start_device+0x189/0xb30 [ 129.228850][ T5940] ? nbd_ioctl+0x133/0xe60 [ 129.228864][ T5940] nbd_ioctl+0x579/0xe60 [ 129.228880][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 129.228891][ T5940] ? __asan_memset+0x22/0x50 [ 129.228902][ T5940] ? smack_file_ioctl+0x263/0x360 [ 129.228916][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 129.228930][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 129.228943][ T5940] blkdev_ioctl+0x5e6/0x750 [ 129.228954][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 129.228965][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 129.228978][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 129.228987][ T5940] __se_sys_ioctl+0xff/0x170 [ 129.229002][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.229013][ T5940] do_syscall_64+0x15f/0x560 [ 129.229028][ T5940] ? clear_bhb_loop+0x40/0x90 [ 129.229040][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.229050][ T5940] RIP: 0033:0x7f3427aa28fb [ 129.229060][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 129.229068][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 129.229079][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 129.229086][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 129.229092][ T5940] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000 [ 129.229098][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 129.229104][ T5940] R13: 00007ffc11fd08c0 R14: 000000000000000f R15: 00007ffc11fd08e0 [ 129.229119][ T5940] [ 129.343324][ T5940] block nbd15: shutting down sockets [ 129.513339][ T5940] block nbd15: NBD_DISCONNECT [ 129.513366][ T5940] block nbd15: Send disconnect failed -32 [ 129.513384][ T5940] block nbd15: Send disconnect failed -32 [ 129.760597][ T5940] FAULT_INJECTION: forcing a failure. [ 129.760597][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 129.760617][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.760630][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 129.760636][ T5940] Call Trace: [ 129.760640][ T5940] [ 129.760644][ T5940] dump_stack_lvl+0xe8/0x150 [ 129.760662][ T5940] should_fail_ex+0x467/0x600 [ 129.760682][ T5940] should_failslab+0xa8/0x100 [ 129.760698][ T5940] __kvmalloc_node_noprof+0x17a/0x8a0 [ 129.760713][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 129.760733][ T5940] ? sbitmap_init_node+0x2bc/0x630 [ 129.760748][ T5940] sbitmap_init_node+0x2bc/0x630 [ 129.760764][ T5940] sbitmap_queue_init_node+0x3e/0x4d0 [ 129.760779][ T5940] blk_mq_init_tags+0x164/0x2d0 [ 129.760793][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 129.760817][ T5940] blk_mq_alloc_sched_tags+0x14d/0x380 [ 129.760836][ T5940] blk_mq_alloc_sched_res+0x92/0x360 [ 129.760853][ T5940] blk_mq_alloc_sched_res_batch+0x187/0x670 [ 129.760870][ T5940] ? blk_mq_alloc_sched_ctx_batch+0x1f4/0x260 [ 129.760887][ T5940] blk_mq_update_nr_hw_queues+0x31e/0x1a20 [ 129.760898][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 129.760915][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 129.760931][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 129.760948][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 129.760964][ T5940] ? nbd_start_device+0x17d/0xb30 [ 129.760979][ T5940] nbd_start_device+0x189/0xb30 [ 129.760994][ T5940] ? nbd_ioctl+0x133/0xe60 [ 129.761008][ T5940] nbd_ioctl+0x579/0xe60 [ 129.761023][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 129.761034][ T5940] ? __asan_memset+0x22/0x50 [ 129.761045][ T5940] ? smack_file_ioctl+0x263/0x360 [ 129.761060][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 129.761074][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 129.761087][ T5940] blkdev_ioctl+0x5e6/0x750 [ 129.761098][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 129.761109][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 129.761121][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 129.761130][ T5940] __se_sys_ioctl+0xff/0x170 [ 129.761145][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.761156][ T5940] do_syscall_64+0x15f/0x560 [ 129.761171][ T5940] ? clear_bhb_loop+0x40/0x90 [ 129.761183][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.761193][ T5940] RIP: 0033:0x7f3427aa28fb [ 129.761203][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 129.761211][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 129.761221][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 129.761228][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 129.761234][ T5940] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000 [ 129.761239][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 129.761245][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000000 R15: 00007ffc11fd08e0 [ 129.761261][ T5940] [ 129.860489][ T5940] block nbd0: shutting down sockets [ 130.034184][ T5940] block nbd0: NBD_DISCONNECT [ 130.034211][ T5940] block nbd0: Send disconnect failed -32 [ 130.034228][ T5940] block nbd0: Send disconnect failed -32 [ 130.311317][ T5940] FAULT_INJECTION: forcing a failure. [ 130.311317][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 130.311338][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 130.311351][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 130.311357][ T5940] Call Trace: [ 130.311361][ T5940] [ 130.311366][ T5940] dump_stack_lvl+0xe8/0x150 [ 130.311383][ T5940] should_fail_ex+0x467/0x600 [ 130.311402][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.311414][ T5940] should_failslab+0xa8/0x100 [ 130.311430][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.311440][ T5940] kmem_cache_alloc_lru_noprof+0xa7/0x650 [ 130.311453][ T5940] ? alloc_inode+0x6a/0x1b0 [ 130.311464][ T5940] ? alloc_inode+0x6a/0x1b0 [ 130.311477][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.311487][ T5940] alloc_inode+0x6a/0x1b0 [ 130.311499][ T5940] new_inode+0x1f/0x170 [ 130.311513][ T5940] __debugfs_create_file+0xb8/0x400 [ 130.311526][ T5940] debugfs_create_file_unsafe+0x3a/0x50 [ 130.311538][ T5940] nbd_start_device+0x3dd/0xb30 [ 130.311553][ T5940] ? nbd_ioctl+0x133/0xe60 [ 130.311568][ T5940] nbd_ioctl+0x579/0xe60 [ 130.311583][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 130.311594][ T5940] ? __asan_memset+0x22/0x50 [ 130.311605][ T5940] ? smack_file_ioctl+0x263/0x360 [ 130.311620][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 130.311634][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 130.311647][ T5940] blkdev_ioctl+0x5e6/0x750 [ 130.311658][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 130.311669][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 130.311682][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 130.311691][ T5940] __se_sys_ioctl+0xff/0x170 [ 130.311706][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.311717][ T5940] do_syscall_64+0x15f/0x560 [ 130.311733][ T5940] ? clear_bhb_loop+0x40/0x90 [ 130.311746][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.311755][ T5940] RIP: 0033:0x7f3427aa28fb [ 130.311766][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 130.311774][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 130.311785][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 130.311792][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 130.311798][ T5940] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000000 [ 130.311804][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 130.311810][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000001 R15: 00007ffc11fd08e0 [ 130.311825][ T5940] [ 130.311829][ T5940] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 130.411199][ T5940] block nbd1: shutting down sockets [ 130.582425][ T5940] block nbd1: NBD_DISCONNECT [ 130.582451][ T5940] block nbd1: Send disconnect failed -32 [ 130.582468][ T5940] block nbd1: Send disconnect failed -32 [ 130.875765][ T5940] FAULT_INJECTION: forcing a failure. [ 130.875765][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 130.875786][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 130.875799][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 130.875806][ T5940] Call Trace: [ 130.875810][ T5940] [ 130.875814][ T5940] dump_stack_lvl+0xe8/0x150 [ 130.875831][ T5940] should_fail_ex+0x467/0x600 [ 130.875850][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.875862][ T5940] should_failslab+0xa8/0x100 [ 130.875877][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.875887][ T5940] kmem_cache_alloc_lru_noprof+0xa7/0x650 [ 130.875900][ T5940] ? alloc_inode+0x6a/0x1b0 [ 130.875910][ T5940] ? alloc_inode+0x6a/0x1b0 [ 130.875923][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 130.875934][ T5940] alloc_inode+0x6a/0x1b0 [ 130.875946][ T5940] new_inode+0x1f/0x170 [ 130.875960][ T5940] __debugfs_create_file+0xb8/0x400 [+] disable setitimer successful. [+] Successfully set scheduler none for nbd9 [*] Iteration 10, fail_nth=10 [+] open /dev/nbd10 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd10 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd10 [*] Iteration 11, fail_nth=11 [+] open /dev/nbd11 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd11 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd11 [*] Iteration 12, fail_nth=12 [+] open /dev/nbd12 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd12 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd12 [*] Iteration 13, fail_nth=13 [+] open /dev/nbd13 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd13 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd13 [*] Iteration 14, fail_nth=14 [+] open /dev/nbd14 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd14 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd14 [*] Iteration 15, fail_nth=15 [+] open /dev/nbd15 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd15 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd15 [*] Iteration 16, fail_nth=16 [+] open /dev/nbd0 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd0 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd0 [*] Iteration 17, fail_nth=17 [+] open /dev/nbd1 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd1 [+] setitimer successful. [-] ioctl NBD_DO_IT returned error (expected if interrupted or failed): Device or resource busy [+] disable setitimer successful. [+] Successfully set scheduler none for nbd1 [*] Iteration 18, fail_nth=18 [+] open /dev/nbd2 successful. [+] socketpair successful. [+] ioctl NBD_SET_SOCK (0) successful. [+] ioctl NBD_SET_SOCK (1) successful. [+] ioctl NBD_SET_FLAGS successful. [+] Successfully set scheduler mq-deadline for nbd2 [+] setitimer successful. [ 130.875972][ T5940] debugfs_create_file_unsafe+0x3a/0x50 [ 130.875992][ T5940] nbd_start_device+0x3dd/0xb30 [ 130.876008][ T5940] ? nbd_ioctl+0x133/0xe60 [ 130.876022][ T5940] nbd_ioctl+0x579/0xe60 [ 130.876037][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 130.876048][ T5940] ? __asan_memset+0x22/0x50 [ 130.876059][ T5940] ? smack_file_ioctl+0x263/0x360 [ 130.876074][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 130.876088][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 130.876101][ T5940] blkdev_ioctl+0x5e6/0x750 [ 130.876112][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 130.876123][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 130.876136][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 130.876145][ T5940] __se_sys_ioctl+0xff/0x170 [ 130.876160][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.876171][ T5940] do_syscall_64+0x15f/0x560 [ 130.876187][ T5940] ? clear_bhb_loop+0x40/0x90 [ 130.876199][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.876209][ T5940] RIP: 0033:0x7f3427aa28fb [ 130.876219][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 130.876228][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 130.876239][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 130.876246][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 130.876252][ T5940] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 130.876258][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 130.876264][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000002 R15: 00007ffc11fd08e0 [ 130.876279][ T5940] [ 130.876282][ T5940] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 130.975808][ T5940] block nbd2: shutting down sockets [ 131.141428][ T5940] block nbd2: NBD_DISCONNECT [ 131.141456][ T5940] block nbd2: Send disconnect failed -32 [ 131.141473][ T5940] block nbd2: Send disconnect failed -32 [ 131.408790][ T5940] FAULT_INJECTION: forcing a failure. [ 131.408790][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 131.408814][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 131.408826][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 131.408833][ T5940] Call Trace: [ 131.408837][ T5940] [ 131.408841][ T5940] dump_stack_lvl+0xe8/0x150 [ 131.408859][ T5940] should_fail_ex+0x467/0x600 [ 131.408878][ T5940] should_failslab+0xa8/0x100 [ 131.408894][ T5940] kmem_cache_alloc_lru_noprof+0xa7/0x650 [ 131.408907][ T5940] ? __d_alloc+0x37/0x6f0 [ 131.408920][ T5940] ? __d_alloc+0x37/0x6f0 [ 131.408936][ T5940] __d_alloc+0x37/0x6f0 [ 131.408957][ T5940] d_alloc+0x4b/0x190 [ 131.408969][ T5940] ? lookup_one_qstr_excl+0xc4/0x360 [ 131.408985][ T5940] lookup_one_qstr_excl+0xd8/0x360 [ 131.409001][ T5940] start_dirop+0x5c/0x90 [ 131.409014][ T5940] simple_start_creating+0xcc/0x110 [ 131.409029][ T5940] ? __pfx_simple_start_creating+0x10/0x10 [ 131.409044][ T5940] ? rt_spin_unlock+0x163/0x200 [ 131.409056][ T5940] ? mntput+0x65/0xc0 [ 131.409068][ T5940] debugfs_start_creating+0xdb/0x1a0 [ 131.409081][ T5940] __debugfs_create_file+0x6f/0x400 [ 131.409090][ T5940] ? __debugfs_create_file+0x352/0x400 [ 131.409102][ T5940] debugfs_create_file_full+0x3f/0x60 [ 131.409114][ T5940] nbd_start_device+0x3fe/0xb30 [ 131.409130][ T5940] ? nbd_ioctl+0x133/0xe60 [ 131.409144][ T5940] nbd_ioctl+0x579/0xe60 [ 131.409159][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 131.409171][ T5940] ? __asan_memset+0x22/0x50 [ 131.409181][ T5940] ? smack_file_ioctl+0x263/0x360 [ 131.409196][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 131.409210][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 131.409223][ T5940] blkdev_ioctl+0x5e6/0x750 [ 131.409235][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 131.409246][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 131.409259][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 131.409268][ T5940] __se_sys_ioctl+0xff/0x170 [ 131.409283][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.409294][ T5940] do_syscall_64+0x15f/0x560 [ 131.409309][ T5940] ? trace_irq_disable+0x3b/0x140 [ 131.409322][ T5940] ? clear_bhb_loop+0x40/0x90 [ 131.409334][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.409344][ T5940] RIP: 0033:0x7f3427aa28fb [ 131.409354][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 131.409362][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 131.409373][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 131.409380][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 131.409386][ T5940] RBP: 0000000000000013 R08: 0000000000000000 R09: 0000000000000000 [ 131.409392][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 131.409398][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000003 R15: 00007ffc11fd08e0 [ 131.409413][ T5940] [ 131.559876][ T5940] block nbd3: shutting down sockets [ 131.731306][ T5940] block nbd3: NBD_DISCONNECT [ 131.731325][ T5940] block nbd3: Send disconnect failed -32 [ 131.731335][ T5940] block nbd3: Send disconnect failed -32 [ 132.028441][ T5940] FAULT_INJECTION: forcing a failure. [ 132.028441][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 132.028461][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 132.028474][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 132.028480][ T5940] Call Trace: [ 132.028484][ T5940] [ 132.028488][ T5940] dump_stack_lvl+0xe8/0x150 [ 132.028512][ T5940] should_fail_ex+0x467/0x600 [ 132.028531][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 132.028543][ T5940] should_failslab+0xa8/0x100 [ 132.028558][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 132.028568][ T5940] kmem_cache_alloc_lru_noprof+0xa7/0x650 [ 132.028580][ T5940] ? start_dirop+0x7b/0x90 [ 132.028592][ T5940] ? alloc_inode+0x6a/0x1b0 [ 132.028603][ T5940] ? alloc_inode+0x6a/0x1b0 [ 132.028613][ T5940] ? __pfx_simple_start_creating+0x10/0x10 [ 132.028629][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 132.028640][ T5940] alloc_inode+0x6a/0x1b0 [ 132.028651][ T5940] new_inode+0x1f/0x170 [ 132.028665][ T5940] __debugfs_create_file+0xb8/0x400 [ 132.028678][ T5940] debugfs_create_file_full+0x3f/0x60 [ 132.028690][ T5940] nbd_start_device+0x3fe/0xb30 [ 132.028706][ T5940] ? nbd_ioctl+0x133/0xe60 [ 132.028720][ T5940] nbd_ioctl+0x579/0xe60 [ 132.028735][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 132.028747][ T5940] ? __asan_memset+0x22/0x50 [ 132.028757][ T5940] ? smack_file_ioctl+0x263/0x360 [ 132.028771][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 132.028785][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 132.028799][ T5940] blkdev_ioctl+0x5e6/0x750 [ 132.028810][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 132.028821][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 132.028833][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 132.028842][ T5940] __se_sys_ioctl+0xff/0x170 [ 132.028858][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 132.028869][ T5940] do_syscall_64+0x15f/0x560 [ 132.028883][ T5940] ? trace_irq_disable+0x3b/0x140 [ 132.028896][ T5940] ? clear_bhb_loop+0x40/0x90 [ 132.028909][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 132.028918][ T5940] RIP: 0033:0x7f3427aa28fb [ 132.028928][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 132.028936][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 132.028948][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 132.028955][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 132.028960][ T5940] RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000 [ 132.028966][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 132.028972][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000004 R15: 00007ffc11fd08e0 [ 132.028987][ T5940] [ 132.028991][ T5940] debugfs: out of free dentries, can not create file 'flags' [ 132.128964][ T5940] block nbd4: shutting down sockets [ 132.332193][ T5940] block nbd4: NBD_DISCONNECT [ 132.332212][ T5940] block nbd4: Send disconnect failed -32 [ 132.332222][ T5940] block nbd4: Send disconnect failed -32 [ 132.608474][ T5940] FAULT_INJECTION: forcing a failure. [ 132.608474][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 132.608495][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 132.608508][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 132.608515][ T5940] Call Trace: [ 132.608519][ T5940] [ 132.608523][ T5940] dump_stack_lvl+0xe8/0x150 [ 132.608540][ T5940] should_fail_ex+0x467/0x600 [ 132.608560][ T5940] should_failslab+0xa8/0x100 [ 132.608577][ T5940] kmem_cache_alloc_noprof+0xa4/0x650 [ 132.608589][ T5940] ? security_inode_alloc+0x39/0x310 [ 132.608600][ T5940] ? security_inode_alloc+0x39/0x310 [ 132.608614][ T5940] security_inode_alloc+0x39/0x310 [ 132.608626][ T5940] inode_init_always_gfp+0x983/0xd40 [ 132.608641][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 132.608653][ T5940] alloc_inode+0x82/0x1b0 [ 132.608665][ T5940] new_inode+0x1f/0x170 [ 132.608679][ T5940] __debugfs_create_file+0xb8/0x400 [ 132.608692][ T5940] debugfs_create_file_full+0x3f/0x60 [ 132.608704][ T5940] nbd_start_device+0x3fe/0xb30 [ 132.608720][ T5940] ? nbd_ioctl+0x133/0xe60 [ 132.608734][ T5940] nbd_ioctl+0x579/0xe60 [ 132.608749][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 132.608761][ T5940] ? __asan_memset+0x22/0x50 [ 132.608771][ T5940] ? smack_file_ioctl+0x263/0x360 [ 132.608786][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 132.608800][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 132.608813][ T5940] blkdev_ioctl+0x5e6/0x750 [ 132.608824][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 132.608836][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 132.608848][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 132.608857][ T5940] __se_sys_ioctl+0xff/0x170 [ 132.608872][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 132.608883][ T5940] do_syscall_64+0x15f/0x560 [ 132.608898][ T5940] ? trace_irq_disable+0x3b/0x140 [ 132.608910][ T5940] ? clear_bhb_loop+0x40/0x90 [ 132.608923][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 132.608933][ T5940] RIP: 0033:0x7f3427aa28fb [ 132.608944][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 132.608953][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 132.608964][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 132.608972][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 132.608977][ T5940] RBP: 0000000000000015 R08: 0000000000000000 R09: 0000000000000000 [ 132.608983][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 132.608989][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000005 R15: 00007ffc11fd08e0 [ 132.609004][ T5940] [ 132.609037][ T5940] debugfs: out of free dentries, can not create file 'flags' [ 132.708523][ T5940] block nbd5: shutting down sockets [ 132.793857][ T1336] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.793940][ T1336] ieee802154 phy1 wpan1: encryption failed: -22 [ 132.932379][ T5940] block nbd5: NBD_DISCONNECT [ 132.932400][ T5940] block nbd5: Send disconnect failed -32 [ 132.932411][ T5940] block nbd5: Send disconnect failed -32 [ 133.228665][ T5940] FAULT_INJECTION: forcing a failure. [ 133.228665][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 133.228685][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 133.228698][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 133.228704][ T5940] Call Trace: [ 133.228708][ T5940] [ 133.228712][ T5940] dump_stack_lvl+0xe8/0x150 [ 133.228730][ T5940] should_fail_ex+0x467/0x600 [ 133.228749][ T5940] should_failslab+0xa8/0x100 [ 133.228765][ T5940] kmem_cache_alloc_noprof+0xa4/0x650 [ 133.228777][ T5940] ? security_inode_alloc+0x39/0x310 [ 133.228788][ T5940] ? security_inode_alloc+0x39/0x310 [ 133.228803][ T5940] security_inode_alloc+0x39/0x310 [ 133.228815][ T5940] inode_init_always_gfp+0x983/0xd40 [ 133.228830][ T5940] ? __pfx_debugfs_alloc_inode+0x10/0x10 [ 133.228841][ T5940] alloc_inode+0x82/0x1b0 [ 133.228853][ T5940] new_inode+0x1f/0x170 [ 133.228867][ T5940] __debugfs_create_file+0xb8/0x400 [ 133.228897][ T5940] debugfs_create_file_full+0x3f/0x60 [ 133.228909][ T5940] nbd_start_device+0x3fe/0xb30 [ 133.228925][ T5940] ? nbd_ioctl+0x133/0xe60 [ 133.228939][ T5940] nbd_ioctl+0x579/0xe60 [ 133.228954][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 133.228966][ T5940] ? __asan_memset+0x22/0x50 [ 133.228977][ T5940] ? smack_file_ioctl+0x263/0x360 [ 133.228991][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 133.229005][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 133.229018][ T5940] blkdev_ioctl+0x5e6/0x750 [ 133.229029][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 133.229041][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 133.229053][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 133.229062][ T5940] __se_sys_ioctl+0xff/0x170 [ 133.229077][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.229088][ T5940] do_syscall_64+0x15f/0x560 [ 133.229103][ T5940] ? trace_irq_disable+0x3b/0x140 [ 133.229116][ T5940] ? clear_bhb_loop+0x40/0x90 [ 133.229128][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.229138][ T5940] RIP: 0033:0x7f3427aa28fb [ 133.229148][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 133.229156][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 133.229167][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 133.229174][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 133.229179][ T5940] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 [ 133.229185][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 133.229191][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000006 R15: 00007ffc11fd08e0 [ 133.229206][ T5940] [ 133.229218][ T5940] debugfs: out of free dentries, can not create file 'flags' [ 133.328481][ T5940] block nbd6: shutting down sockets [ 133.503034][ T5940] block nbd6: NBD_DISCONNECT [ 133.503061][ T5940] block nbd6: Send disconnect failed -32 [ 133.503078][ T5940] block nbd6: Send disconnect failed -32 [ 133.858992][ T5940] FAULT_INJECTION: forcing a failure. [ 133.858992][ T5940] name failslab, interval 1, probability 0, space 0, times 0 [ 133.859016][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 133.859028][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 133.859035][ T5940] Call Trace: [ 133.859039][ T5940] [ 133.859043][ T5940] dump_stack_lvl+0xe8/0x150 [ 133.859060][ T5940] should_fail_ex+0x467/0x600 [ 133.859080][ T5940] should_failslab+0xa8/0x100 [ 133.859096][ T5940] __kmalloc_cache_node_noprof+0xa9/0x6a0 [ 133.859110][ T5940] ? blk_mq_init_tags+0x83/0x2d0 [ 133.859121][ T5940] ? blk_mq_init_tags+0x83/0x2d0 [ 133.859136][ T5940] blk_mq_init_tags+0x83/0x2d0 [ 133.859150][ T5940] blk_mq_alloc_map_and_rqs+0xc8/0x9d0 [ 133.859167][ T5940] ? __kmalloc_node_noprof+0x5a2/0x7d0 [ 133.859180][ T5940] ? blk_mq_update_nr_hw_queues+0x729/0x1a20 [ 133.859189][ T5940] ? blk_mq_update_nr_hw_queues+0x729/0x1a20 [ 133.859199][ T5940] ? blk_mq_update_nr_hw_queues+0x7b6/0x1a20 [ 133.859211][ T5940] blk_mq_update_nr_hw_queues+0x8ca/0x1a20 [ 133.859221][ T5940] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 133.859244][ T5940] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 133.859261][ T5940] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 133.859277][ T5940] ? nbd_start_device+0x17d/0xb30 [ 133.859292][ T5940] nbd_start_device+0x189/0xb30 [ 133.859307][ T5940] ? nbd_ioctl+0x133/0xe60 [ 133.859327][ T5940] nbd_ioctl+0x579/0xe60 [ 133.859343][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 133.859354][ T5940] ? __asan_memset+0x22/0x50 [ 133.859364][ T5940] ? smack_file_ioctl+0x263/0x360 [ 133.859379][ T5940] ? __pfx_smack_file_ioctl+0x10/0x10 [ 133.859393][ T5940] ? __pfx_nbd_ioctl+0x10/0x10 [ 133.859406][ T5940] blkdev_ioctl+0x5e6/0x750 [ 133.859417][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 133.859428][ T5940] ? bpf_lsm_file_ioctl+0x9/0x20 [ 133.859440][ T5940] ? __pfx_blkdev_ioctl+0x10/0x10 [ 133.859449][ T5940] __se_sys_ioctl+0xff/0x170 [ 133.859465][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.859476][ T5940] do_syscall_64+0x15f/0x560 [ 133.859490][ T5940] ? trace_irq_disable+0x3b/0x140 [ 133.859503][ T5940] ? clear_bhb_loop+0x40/0x90 [ 133.859515][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.859525][ T5940] RIP: 0033:0x7f3427aa28fb [ 133.859536][ T5940] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 133.859544][ T5940] RSP: 002b:00007ffc11fd0830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 133.859556][ T5940] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3427aa28fb [ 133.859563][ T5940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 [ 133.859569][ T5940] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 [ 133.859574][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc11fd08a0 [ 133.859580][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000007 R15: 00007ffc11fd08e0 [ 133.859595][ T5940] [ 133.997783][ T5940] block nbd7: shutting down sockets [ 134.179771][ T5940] ================================================================== [ 134.179783][ T5940] BUG: KASAN: slab-out-of-bounds in blk_mq_free_rqs+0xde/0x680 [ 134.179809][ T5940] Read of size 8 at addr ffff888026385588 by task syz-executor425/5940 [ 134.179818][ T5940] [ 134.179825][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 134.179837][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 134.179844][ T5940] Call Trace: [ 134.179848][ T5940] [ 134.179852][ T5940] dump_stack_lvl+0xe8/0x150 [ 134.179866][ T5940] print_address_description+0x55/0x1e0 [ 134.179878][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.179891][ T5940] print_report+0x58/0x70 [ 134.179901][ T5940] kasan_report+0x117/0x150 [ 134.179916][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.179931][ T5940] blk_mq_free_rqs+0xde/0x680 [ 134.179945][ T5940] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 134.179961][ T5940] blk_mq_free_map_and_rqs+0x40/0xf0 [ 134.179976][ T5940] blk_mq_free_sched_res+0xeb/0x280 [ 134.179992][ T5940] elevator_change_done+0x1d2/0x5c0 [ 134.180007][ T5940] ? __pfx_elevator_change_done+0x10/0x10 [ 134.180020][ T5940] ? elevator_change+0x30e/0x480 [ 134.180033][ T5940] elevator_change+0x34f/0x480 [ 134.180050][ T5940] elv_iosched_store+0x504/0x630 [ 134.180067][ T5940] ? __pfx_elv_iosched_store+0x10/0x10 [ 134.180079][ T5940] ? register_lock_class+0x31/0x2e0 [ 134.180094][ T5940] ? __lock_acquire+0x683/0x2ce0 [ 134.180106][ T5940] queue_attr_store+0x207/0x2b0 [ 134.180122][ T5940] ? __pfx_queue_attr_store+0x10/0x10 [ 134.180137][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.180147][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.180158][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.180167][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.180176][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.180185][ T5940] ? sysfs_file_kobj+0x1e4/0x230 [ 134.180195][ T5940] ? sysfs_kf_write+0x166/0x260 [ 134.180206][ T5940] ? __pfx_sysfs_kf_write+0x10/0x10 [ 134.180216][ T5940] kernfs_fop_write_iter+0x3a5/0x540 [ 134.180226][ T5940] vfs_write+0x61e/0xbb0 [ 134.180241][ T5940] ? __pfx_vfs_write+0x10/0x10 [ 134.180255][ T5940] ? do_sys_openat2+0x14e/0x200 [ 134.180265][ T5940] ? kmem_cache_free+0x187/0x6c0 [ 134.180280][ T5940] ksys_write+0x156/0x270 [ 134.180301][ T5940] ? __pfx_ksys_write+0x10/0x10 [ 134.180316][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.180326][ T5940] do_syscall_64+0x15f/0x560 [ 134.180340][ T5940] ? trace_irq_disable+0x3b/0x140 [ 134.180352][ T5940] ? clear_bhb_loop+0x40/0x90 [ 134.180362][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.180372][ T5940] RIP: 0033:0x7f3427ac2437 [ 134.180382][ T5940] Code: 48 89 fa 4c 89 df e8 88 15 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 134.180390][ T5940] RSP: 002b:00007ffc11fd0710 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 134.180402][ T5940] RAX: ffffffffffffffda RBX: 0000555594bc4400 RCX: 00007f3427ac2437 [ 134.180409][ T5940] RDX: 0000000000000004 RSI: 00007f3427afdc5b RDI: 0000000000000007 [ 134.180415][ T5940] RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 [ 134.180421][ T5940] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3427afdc5b [ 134.180427][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000007 R15: 00007ffc11fd08e0 [ 134.180437][ T5940] [ 134.180440][ T5940] [ 134.180443][ T5940] Allocated by task 1: [ 134.180447][ T5940] kasan_save_track+0x3e/0x80 [ 134.180458][ T5940] __kasan_kmalloc+0x93/0xb0 [ 134.180469][ T5940] __kmalloc_node_noprof+0x584/0x7d0 [ 134.180479][ T5940] blk_mq_alloc_tag_set+0x533/0x1000 [ 134.180487][ T5940] nbd_dev_add+0x30e/0xb60 [ 134.180498][ T5940] nbd_init+0x15f/0x1e0 [ 134.180511][ T5940] do_one_initcall+0x250/0x870 [ 134.180521][ T5940] do_initcall_level+0x10a/0x1a0 [ 134.180534][ T5940] do_initcalls+0x59/0xa0 [ 134.180546][ T5940] kernel_init_freeable+0x29d/0x3e0 [ 134.180558][ T5940] kernel_init+0x1d/0x1d0 [ 134.180567][ T5940] ret_from_fork+0x514/0xb70 [ 134.180577][ T5940] ret_from_fork_asm+0x1a/0x30 [ 134.180588][ T5940] [ 134.180590][ T5940] The buggy address belongs to the object at ffff888026385580 [ 134.180590][ T5940] which belongs to the cache kmalloc-8 of size 8 [ 134.180598][ T5940] The buggy address is located 0 bytes to the right of [ 134.180598][ T5940] allocated 8-byte region [ffff888026385580, ffff888026385588) [ 134.180608][ T5940] [ 134.180610][ T5940] The buggy address belongs to the physical page: [ 134.180619][ T5940] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888026385f80 pfn:0x26385 [ 134.180629][ T5940] flags: 0x80000000000200(workingset|node=0|zone=1) [ 134.180640][ T5940] page_type: f5(slab) [ 134.180650][ T5940] raw: 0080000000000200 ffff88801a017500 ffffea0000972d90 ffffea0000a02cd0 [ 134.180658][ T5940] raw: ffff888026385f80 0000000800800075 00000000f5000000 0000000000000000 [ 134.180663][ T5940] page dumped because: kasan: bad access detected [ 134.180673][ T5940] page_owner tracks the page as allocated [ 134.180677][ T5940] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 7259242334, free_ts 0 [ 134.180694][ T5940] post_alloc_hook+0x1f9/0x250 [ 134.180704][ T5940] get_page_from_freelist+0x262a/0x26a0 [ 134.180717][ T5940] __alloc_frozen_pages_noprof+0x18d/0x380 [ 134.180729][ T5940] allocate_slab+0x79/0x5e0 [ 134.180736][ T5940] refill_objects+0x2d8/0x350 [ 134.180744][ T5940] __pcs_replace_empty_main+0x330/0x690 [ 134.180757][ T5940] __kmalloc_node_track_caller_noprof+0x62d/0x7c0 [ 134.180769][ T5940] kstrdup+0x42/0x100 [ 134.180782][ T5940] kobject_set_name_vargs+0x61/0x110 [ 134.180793][ T5940] device_create+0x23d/0x300 [ 134.180805][ T5940] bdi_register_va+0x9c/0x7d0 [ 134.180813][ T5940] bdi_register+0xe2/0x140 [ 134.180820][ T5940] __add_disk+0x7da/0xe30 [ 134.180828][ T5940] add_disk_fwnode+0x100/0x3a0 [ 134.180836][ T5940] nbd_dev_add+0x733/0xb60 [ 134.180846][ T5940] nbd_init+0x15f/0x1e0 [ 134.180858][ T5940] page_owner free stack trace missing [ 134.180862][ T5940] [ 134.180864][ T5940] Memory state around the buggy address: [ 134.180868][ T5940] ffff888026385480: fa fc fc fc 07 fc fc fc 05 fc fc fc 05 fc fc fc [ 134.180875][ T5940] ffff888026385500: 05 fc fc fc 00 fc fc fc fa fc fc fc 00 fc fc fc [ 134.180881][ T5940] >ffff888026385580: 00 fc fc fc 07 fc fc fc 07 fc fc fc 07 fc fc fc [ 134.180885][ T5940] ^ [ 134.180890][ T5940] ffff888026385600: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 134.180896][ T5940] ffff888026385680: fa fc fc fc 02 fc fc fc 05 fc fc fc 00 fc fc fc [ 134.180900][ T5940] ================================================================== [ 134.180912][ T5940] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 134.180918][ T5940] CPU: 0 UID: 0 PID: 5940 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 134.180930][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 134.180935][ T5940] Call Trace: [ 134.180938][ T5940] [ 134.180942][ T5940] vpanic+0x56c/0xa60 [ 134.180955][ T5940] ? __pfx_vpanic+0x10/0x10 [ 134.180969][ T5940] panic+0xc5/0xd0 [ 134.180980][ T5940] ? __pfx_panic+0x10/0x10 [ 134.180992][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.181005][ T5940] ? rcu_is_watching+0x15/0xb0 [ 134.181021][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.181034][ T5940] check_panic_on_warn+0x89/0xb0 [ 134.181046][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.181060][ T5940] end_report+0x73/0x170 [ 134.181072][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.181085][ T5940] kasan_report+0x128/0x150 [ 134.181098][ T5940] ? blk_mq_free_rqs+0xde/0x680 [ 134.181114][ T5940] blk_mq_free_rqs+0xde/0x680 [ 134.181138][ T5940] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 134.181153][ T5940] blk_mq_free_map_and_rqs+0x40/0xf0 [ 134.181168][ T5940] blk_mq_free_sched_res+0xeb/0x280 [ 134.181184][ T5940] elevator_change_done+0x1d2/0x5c0 [ 134.181197][ T5940] ? __pfx_elevator_change_done+0x10/0x10 [ 134.181210][ T5940] ? elevator_change+0x30e/0x480 [ 134.181223][ T5940] elevator_change+0x34f/0x480 [ 134.181237][ T5940] elv_iosched_store+0x504/0x630 [ 134.181265][ T5940] ? __pfx_elv_iosched_store+0x10/0x10 [ 134.181278][ T5940] ? register_lock_class+0x31/0x2e0 [ 134.181297][ T5940] ? __lock_acquire+0x683/0x2ce0 [ 134.181309][ T5940] queue_attr_store+0x207/0x2b0 [ 134.181325][ T5940] ? __pfx_queue_attr_store+0x10/0x10 [ 134.181340][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.181351][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.181362][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.181371][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.181380][ T5940] ? sysfs_file_kobj+0x1a/0x230 [ 134.181390][ T5940] ? sysfs_file_kobj+0x1e4/0x230 [ 134.181399][ T5940] ? sysfs_kf_write+0x166/0x260 [ 134.181410][ T5940] ? __pfx_sysfs_kf_write+0x10/0x10 [ 134.181420][ T5940] kernfs_fop_write_iter+0x3a5/0x540 [ 134.181430][ T5940] vfs_write+0x61e/0xbb0 [ 134.181445][ T5940] ? __pfx_vfs_write+0x10/0x10 [ 134.181459][ T5940] ? do_sys_openat2+0x14e/0x200 [ 134.181470][ T5940] ? kmem_cache_free+0x187/0x6c0 [ 134.181485][ T5940] ksys_write+0x156/0x270 [ 134.181499][ T5940] ? __pfx_ksys_write+0x10/0x10 [ 134.181514][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.181523][ T5940] do_syscall_64+0x15f/0x560 [ 134.181537][ T5940] ? trace_irq_disable+0x3b/0x140 [ 134.181548][ T5940] ? clear_bhb_loop+0x40/0x90 [ 134.181558][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 134.181568][ T5940] RIP: 0033:0x7f3427ac2437 [ 134.181575][ T5940] Code: 48 89 fa 4c 89 df e8 88 15 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 134.181583][ T5940] RSP: 002b:00007ffc11fd0710 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 134.181593][ T5940] RAX: ffffffffffffffda RBX: 0000555594bc4400 RCX: 00007f3427ac2437 [ 134.181600][ T5940] RDX: 0000000000000004 RSI: 00007f3427afdc5b RDI: 0000000000000007 [ 134.181606][ T5940] RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 [ 134.181612][ T5940] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3427afdc5b [ 134.181618][ T5940] R13: 00007ffc11fd08c0 R14: 0000000000000007 R15: 00007ffc11fd08e0 [ 134.181628][ T5940] [ 134.181987][ T5940] Kernel Offset: disabled