program: openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='./tracing\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracing/uprobe_events\x00', 0x401, 0x0) write(r0, &(0x7f00000001c0)='r:s/p ./file0:0\f(', 0x11) (fail_nth: 8) [ 74.915193][ T5271] Bluetooth: hci0: command tx timeout [ 74.963652][ T5307] FAULT_INJECTION: forcing a failure. [ 74.963652][ T5307] name failslab, interval 1, probability 0, space 0, times 1 [ 74.992738][ T5307] CPU: 0 UID: 0 PID: 5307 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.992756][ T5307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 74.992764][ T5307] Call Trace: [ 74.992769][ T5307] [ 74.992774][ T5307] dump_stack_lvl+0xe8/0x150 [ 74.992837][ T5307] should_fail_ex+0x40c/0x560 [ 74.992888][ T5307] should_failslab+0xa8/0x100 [ 74.992903][ T5307] __kmalloc_noprof+0xfe/0x720 [ 74.992915][ T5307] ? __kasan_kmalloc+0x93/0xb0 [ 74.992926][ T5307] ? alloc_trace_uprobe+0x32/0x2a0 [ 74.992937][ T5307] ? alloc_trace_uprobe+0x32/0x2a0 [ 74.992951][ T5307] alloc_trace_uprobe+0x32/0x2a0 [ 74.992963][ T5307] __trace_uprobe_create+0x9b5/0xe40 [ 74.992980][ T5307] ? __pfx___trace_uprobe_create+0x10/0x10 [ 74.993010][ T5307] ? __kmalloc_noprof+0x396/0x720 [ 74.993019][ T5307] ? argv_split+0x18d/0x400 [ 74.993063][ T5307] ? argv_split+0x18d/0x400 [ 74.993079][ T5307] ? argv_split+0x378/0x400 [ 74.993093][ T5307] trace_probe_create+0xce/0x130 [ 74.993104][ T5307] ? __pfx___trace_uprobe_create+0x10/0x10 [ 74.993114][ T5307] ? __pfx_trace_probe_create+0x10/0x10 [ 74.993131][ T5307] dyn_event_create+0x4f/0x70 [ 74.993149][ T5307] create_or_delete_trace_uprobe+0x65/0xa0 [ 74.993162][ T5307] trace_parse_run_command+0x1f3/0x380 [ 74.993179][ T5307] ? __pfx_create_or_delete_trace_uprobe+0x10/0x10 [ 74.993191][ T5307] ? __pfx_probes_write+0x10/0x10 [ 74.993203][ T5307] vfs_write+0x296/0xba0 [ 74.993222][ T5307] ? __pfx_vfs_write+0x10/0x10 [ 74.993235][ T5307] ? __fget_files+0x2a/0x420 [ 74.993249][ T5307] ? __fget_files+0x3a2/0x420 [ 74.993259][ T5307] ? __fget_files+0x2a/0x420 [ 74.993273][ T5307] ksys_write+0x150/0x270 [ 74.993286][ T5307] ? __pfx_ksys_write+0x10/0x10 [ 74.993304][ T5307] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.993315][ T5307] do_syscall_64+0x174/0x580 [ 74.993330][ T5307] ? clear_bhb_loop+0x70/0xc0 [ 74.993344][ T5307] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.993354][ T5307] RIP: 0033:0x7f4e8d79e0d9 [ 74.993365][ T5307] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 74.993373][ T5307] RSP: 002b:00007f4e8e73efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.993386][ T5307] RAX: ffffffffffffffda RBX: 00007f4e8da25fa0 RCX: 00007f4e8d79e0d9 [ 74.993393][ T5307] RDX: 0000000000000011 RSI: 00002000000001c0 RDI: 0000000000000004 [ 74.993399][ T5307] RBP: 00007f4e8e73f050 R08: 0000000000000000 R09: 0000000000000000 [ 74.993406][ T5307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 74.993412][ T5307] R13: 00007f4e8da26038 R14: 00007f4e8da25fa0 R15: 00007fffc85712d8 [ 74.993429][ T5307] [ 74.995475][ T5307] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI [ 75.109477][ T5307] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 75.112693][ T5307] CPU: 0 UID: 0 PID: 5307 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.116329][ T5307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 75.120564][ T5307] RIP: 0010:path_put+0x24/0x60 [ 75.122584][ T5307] Code: 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 07 eb 7a ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 20 1f ea ff 48 8b 7b 08 e8 37 88 03 00 48 [ 75.130786][ T5307] RSP: 0018:ffffc9000ef4f9c8 EFLAGS: 00010203 [ 75.133379][ T5307] RAX: 0000000000000008 RBX: 000000000000003c RCX: ffff88801afd4a80 [ 75.136883][ T5307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000044 [ 75.139995][ T5307] RBP: ffffc9000ef4fb50 R08: ffffffff9a7dbdb7 R09: 0000000000000000 [ 75.143242][ T5307] R10: ffffffff9a7dbda0 R11: fffffbfff34fb7b7 R12: fffffffffffffff4 [ 75.146551][ T5307] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 75.149877][ T5307] FS: 00007f4e8e73f6c0(0000) GS:ffff88808c54a000(0000) knlGS:0000000000000000 [ 75.153649][ T5307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.156371][ T5307] CR2: 00007f4e8da27da0 CR3: 000000001fcdc000 CR4: 0000000000352ef0 [ 75.159698][ T5307] Call Trace: [ 75.161150][ T5307] [ 75.162430][ T5307] __trace_uprobe_create+0x53c/0xe40 [ 75.164696][ T5307] ? __pfx___trace_uprobe_create+0x10/0x10 [ 75.167328][ T5307] ? __kmalloc_noprof+0x396/0x720 [ 75.169625][ T5307] ? argv_split+0x18d/0x400 [ 75.171687][ T5307] ? argv_split+0x18d/0x400 [ 75.173518][ T5307] ? argv_split+0x378/0x400 [ 75.175481][ T5307] trace_probe_create+0xce/0x130 [ 75.177619][ T5307] ? __pfx___trace_uprobe_create+0x10/0x10 [ 75.180168][ T5307] ? __pfx_trace_probe_create+0x10/0x10 [ 75.182686][ T5307] dyn_event_create+0x4f/0x70 [ 75.184663][ T5307] create_or_delete_trace_uprobe+0x65/0xa0 [ 75.187231][ T5307] trace_parse_run_command+0x1f3/0x380 [ 75.189507][ T5307] ? __pfx_create_or_delete_trace_uprobe+0x10/0x10 [ 75.192320][ T5307] ? __pfx_probes_write+0x10/0x10 [ 75.194460][ T5307] vfs_write+0x296/0xba0 [ 75.196331][ T5307] ? __pfx_vfs_write+0x10/0x10 [ 75.198376][ T5307] ? __fget_files+0x2a/0x420 [ 75.200382][ T5307] ? __fget_files+0x3a2/0x420 [ 75.202439][ T5307] ? __fget_files+0x2a/0x420 [ 75.204410][ T5307] ksys_write+0x150/0x270 [ 75.206747][ T5307] ? __pfx_ksys_write+0x10/0x10 [ 75.208893][ T5307] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.211577][ T5307] do_syscall_64+0x174/0x580 [ 75.213543][ T5307] ? clear_bhb_loop+0x70/0xc0 [ 75.215553][ T5307] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.218018][ T5307] RIP: 0033:0x7f4e8d79e0d9 [ 75.219913][ T5307] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 75.228764][ T5307] RSP: 002b:00007f4e8e73efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.232846][ T5307] RAX: ffffffffffffffda RBX: 00007f4e8da25fa0 RCX: 00007f4e8d79e0d9 [ 75.236377][ T5307] RDX: 0000000000000011 RSI: 00002000000001c0 RDI: 0000000000000004 [ 75.239681][ T5307] RBP: 00007f4e8e73f050 R08: 0000000000000000 R09: 0000000000000000 [ 75.242978][ T5307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 75.246147][ T5307] R13: 00007f4e8da26038 R14: 00007f4e8da25fa0 R15: 00007fffc85712d8 [ 75.249415][ T5307] [ 75.250679][ T5307] Modules linked in: [ 75.253021][ T5307] ---[ end trace 0000000000000000 ]--- [ 75.268753][ T5307] RIP: 0010:path_put+0x24/0x60 [ 75.270827][ T5307] Code: 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 07 eb 7a ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 20 1f ea ff 48 8b 7b 08 e8 37 88 03 00 48 [ 75.279337][ T5307] RSP: 0018:ffffc9000ef4f9c8 EFLAGS: 00010203 [ 75.281895][ T5307] RAX: 0000000000000008 RBX: 000000000000003c RCX: ffff88801afd4a80 [ 75.285314][ T5307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000044 [ 75.289078][ T5307] RBP: ffffc9000ef4fb50 R08: ffffffff9a7dbdb7 R09: 0000000000000000 [ 75.292452][ T5307] R10: ffffffff9a7dbda0 R11: fffffbfff34fb7b7 R12: fffffffffffffff4 [ 75.295923][ T5307] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 75.300001][ T5307] FS: 00007f4e8e73f6c0(0000) GS:ffff88808c54a000(0000) knlGS:0000000000000000 [ 75.303593][ T5307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.306486][ T5307] CR2: 00007f4e8d9f36b8 CR3: 000000001fcdc000 CR4: 0000000000352ef0 [ 75.310092][ T5307] Kernel panic - not syncing: Fatal exception [ 75.312786][ T5307] Kernel Offset: disabled [ 75.314484][ T5307] Rebooting in 86400 seconds..