program: openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000500)='r:s/p ./file0:0', 0xf) (fail_nth: 8) [ 146.515502][ T5318] FAULT_INJECTION: forcing a failure. [ 146.515502][ T5318] name failslab, interval 1, probability 0, space 0, times 1 [ 146.524802][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 146.524819][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 146.524826][ T5318] Call Trace: [ 146.524831][ T5318] [ 146.524853][ T5318] dump_stack_lvl+0xe8/0x150 [ 146.524905][ T5318] should_fail_ex+0x40c/0x560 [ 146.524953][ T5318] should_failslab+0xa8/0x100 [ 146.524969][ T5318] __kmalloc_noprof+0xfe/0x720 [ 146.524982][ T5318] ? __kasan_kmalloc+0x93/0xb0 [ 146.524994][ T5318] ? alloc_trace_uprobe+0x32/0x2a0 [ 146.525006][ T5318] ? alloc_trace_uprobe+0x32/0x2a0 [ 146.525025][ T5318] alloc_trace_uprobe+0x32/0x2a0 [ 146.525041][ T5318] __trace_uprobe_create+0x9b5/0xe40 [ 146.525058][ T5318] ? __pfx___trace_uprobe_create+0x10/0x10 [ 146.525070][ T5318] ? __kmalloc_noprof+0x396/0x720 [ 146.525083][ T5318] ? argv_split+0x18d/0x400 [ 146.525125][ T5318] ? argv_split+0x18d/0x400 [ 146.525137][ T5318] ? argv_split+0x378/0x400 [ 146.525146][ T5318] trace_probe_create+0xce/0x130 [ 146.525154][ T5318] ? __pfx___trace_uprobe_create+0x10/0x10 [ 146.525162][ T5318] ? __pfx_trace_probe_create+0x10/0x10 [ 146.525173][ T5318] dyn_event_create+0x4f/0x70 [ 146.525184][ T5318] create_or_delete_trace_uprobe+0x65/0xa0 [ 146.525193][ T5318] trace_parse_run_command+0x1f3/0x380 [ 146.525202][ T5318] ? __pfx_create_or_delete_trace_uprobe+0x10/0x10 [ 146.525211][ T5318] ? __pfx_probes_write+0x10/0x10 [ 146.525219][ T5318] vfs_write+0x296/0xba0 [ 146.525232][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 146.525242][ T5318] ? __fget_files+0x2a/0x420 [ 146.525252][ T5318] ? __fget_files+0x3a2/0x420 [ 146.525259][ T5318] ? __fget_files+0x2a/0x420 [ 146.525274][ T5318] ksys_write+0x150/0x270 [ 146.525289][ T5318] ? __pfx_ksys_write+0x10/0x10 [ 146.525306][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 146.525317][ T5318] do_syscall_64+0x174/0x580 [ 146.525330][ T5318] ? trace_irq_disable+0x3b/0x140 [ 146.525343][ T5318] ? clear_bhb_loop+0x40/0x90 [ 146.525356][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 146.525367][ T5318] RIP: 0033:0x7f767f59df99 [ 146.525378][ T5318] 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 [ 146.525415][ T5318] RSP: 002b:00007f76803eefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 146.525423][ T5318] RAX: ffffffffffffffda RBX: 00007f767f825fa0 RCX: 00007f767f59df99 [ 146.525428][ T5318] RDX: 000000000000000f RSI: 0000200000000500 RDI: 0000000000000004 [ 146.525434][ T5318] RBP: 00007f76803ef050 R08: 0000000000000000 R09: 0000000000000000 [ 146.525440][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 146.525446][ T5318] R13: 00007f767f826038 R14: 00007f767f825fa0 R15: 00007ffdf1f7c008 [ 146.525463][ T5318] [ 146.674095][ T5318] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI [ 146.678850][ T5318] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 146.682225][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 146.685635][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 146.689820][ T5318] RIP: 0010:path_put+0x24/0x60 [ 146.691869][ T5318] 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 c7 fc 7a ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 80 2d ea ff 48 8b 7b 08 e8 37 88 03 00 48 [ 146.699442][ T5318] RSP: 0018:ffffc9000f75f9c8 EFLAGS: 00010203 [ 146.701812][ T5318] RAX: 0000000000000008 RBX: 000000000000003c RCX: ffff88803d772540 [ 146.704818][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000044 [ 146.708050][ T5318] RBP: ffffc9000f75fb50 R08: ffffffff9a7e2db7 R09: 0000000000000000 [ 146.711574][ T5318] R10: ffffffff9a7e2da0 R11: fffffbfff34fc5b7 R12: fffffffffffffff4 [ 146.715217][ T5318] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 146.718388][ T5318] FS: 00007f76803ef6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 146.721887][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.724566][ T5318] CR2: 00007f768035d9d0 CR3: 0000000042a87000 CR4: 0000000000352ef0 [ 146.727761][ T5318] Call Trace: [ 146.729197][ T5318] [ 146.730455][ T5318] __trace_uprobe_create+0x53c/0xe40 [ 146.732599][ T5318] ? __pfx___trace_uprobe_create+0x10/0x10 [ 146.734965][ T5318] ? __kmalloc_noprof+0x396/0x720 [ 146.736843][ T5318] ? argv_split+0x18d/0x400 [ 146.738755][ T5318] ? argv_split+0x18d/0x400 [ 146.740564][ T5318] ? argv_split+0x378/0x400 [ 146.742308][ T5318] trace_probe_create+0xce/0x130 [ 146.744204][ T5318] ? __pfx___trace_uprobe_create+0x10/0x10 [ 146.746462][ T5318] ? __pfx_trace_probe_create+0x10/0x10 [ 146.748554][ T5318] dyn_event_create+0x4f/0x70 [ 146.750400][ T5318] create_or_delete_trace_uprobe+0x65/0xa0 [ 146.752686][ T5318] trace_parse_run_command+0x1f3/0x380 [ 146.754824][ T5318] ? __pfx_create_or_delete_trace_uprobe+0x10/0x10 [ 146.757435][ T5318] ? __pfx_probes_write+0x10/0x10 [ 146.759473][ T5318] vfs_write+0x296/0xba0 [ 146.761706][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 146.764307][ T5318] ? __fget_files+0x2a/0x420 [ 146.766325][ T5318] ? __fget_files+0x3a2/0x420 [ 146.768414][ T5318] ? __fget_files+0x2a/0x420 [ 146.770387][ T5318] ksys_write+0x150/0x270 [ 146.772264][ T5318] ? __pfx_ksys_write+0x10/0x10 [ 146.774254][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 146.776658][ T5318] do_syscall_64+0x174/0x580 [ 146.778606][ T5318] ? trace_irq_disable+0x3b/0x140 [ 146.780653][ T5318] ? clear_bhb_loop+0x40/0x90 [ 146.782461][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 146.784817][ T5318] RIP: 0033:0x7f767f59df99 [ 146.786711][ T5318] 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 [ 146.794696][ T5318] RSP: 002b:00007f76803eefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 146.798151][ T5318] RAX: ffffffffffffffda RBX: 00007f767f825fa0 RCX: 00007f767f59df99 [ 146.801475][ T5318] RDX: 000000000000000f RSI: 0000200000000500 RDI: 0000000000000004 [ 146.804612][ T5318] RBP: 00007f76803ef050 R08: 0000000000000000 R09: 0000000000000000 [ 146.807908][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 146.811343][ T5318] R13: 00007f767f826038 R14: 00007f767f825fa0 R15: 00007ffdf1f7c008 [ 146.814525][ T5318] [ 146.815844][ T5318] Modules linked in: [ 146.817901][ T5318] ---[ end trace 0000000000000000 ]--- [ 146.824880][ T4648] Bluetooth: hci0: command tx timeout [ 146.828499][ T5318] RIP: 0010:path_put+0x24/0x60 [ 146.831538][ T5318] 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 c7 fc 7a ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 80 2d ea ff 48 8b 7b 08 e8 37 88 03 00 48 [ 146.840398][ T5318] RSP: 0018:ffffc9000f75f9c8 EFLAGS: 00010203 [ 146.843509][ T5318] RAX: 0000000000000008 RBX: 000000000000003c RCX: ffff88803d772540 [ 146.847198][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000044 [ 146.850523][ T5318] RBP: ffffc9000f75fb50 R08: ffffffff9a7e2db7 R09: 0000000000000000 [ 146.853916][ T5318] R10: ffffffff9a7e2da0 R11: fffffbfff34fc5b7 R12: fffffffffffffff4 [ 146.857590][ T5318] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 146.860824][ T5318] FS: 00007f76803ef6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 146.864348][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.867400][ T5318] CR2: 00007f768035d9d0 CR3: 0000000042a87000 CR4: 0000000000352ef0 [ 146.870762][ T5318] Kernel panic - not syncing: Fatal exception [ 146.873679][ T5318] Kernel Offset: disabled [ 146.875422][ T5318] Rebooting in 86400 seconds..