[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. syzkaller login: [ 42.119148] IPVS: ftp: loaded support on port[0] = 21 [ 42.188337] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 42.196705] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.214746] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.221034] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 42.227934] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.239322] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.247011] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.254434] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 42.304015] FAULT_INJECTION: forcing a failure. [ 42.304015] name failslab, interval 1, probability 0, space 0, times 1 [ 42.316097] CPU: 0 PID: 8100 Comm: syz-executor408 Not tainted 4.19.211-syzkaller #0 [ 42.323982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.333495] Call Trace: [ 42.336076] dump_stack+0x1fc/0x2ef [ 42.339714] should_fail.cold+0xa/0xf [ 42.343625] ? setup_fault_attr+0x200/0x200 [ 42.347939] ? lock_acquire+0x170/0x3c0 [ 42.351987] __should_failslab+0x115/0x180 [ 42.356222] should_failslab+0x5/0x10 [ 42.360010] __kmalloc+0x2ab/0x3c0 [ 42.363617] ? tracepoint_add_func+0x397/0xb90 [ 42.368210] tracepoint_add_func+0x397/0xb90 [ 42.372614] ? blk_add_trace_bio_backmerge+0x30/0x30 [ 42.377702] tracepoint_probe_register+0xa1/0xf0 [ 42.382610] ? tracepoint_module_notify+0x5f0/0x5f0 [ 42.387635] ? blk_add_trace_bio_backmerge+0x30/0x30 [ 42.392741] ? relay_open+0x670/0x9f0 [ 42.396553] blk_register_tracepoints+0x156/0x2e0 [ 42.401403] do_blk_trace_setup+0x915/0xb40 [ 42.405741] ? _copy_from_user+0xd2/0x130 [ 42.409893] __blk_trace_setup+0xca/0x180 [ 42.414149] ? do_blk_trace_setup+0xb40/0xb40 [ 42.418635] ? get_pid_task+0xcd/0x190 [ 42.422534] blk_trace_setup+0x43/0x60 [ 42.426545] sg_ioctl+0x270/0x2720 [ 42.430084] ? get_pid_task+0xf4/0x190 [ 42.433969] ? proc_fail_nth_write+0x95/0x1d0 [ 42.438459] ? sg_write+0xa0/0xa0 [ 42.441913] ? mark_held_locks+0xf0/0xf0 [ 42.445995] ? __vfs_write+0xff/0x770 [ 42.449775] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.454705] ? common_file_perm+0x4e5/0x850 [ 42.459023] ? sg_write+0xa0/0xa0 [ 42.462478] do_vfs_ioctl+0xcdb/0x12e0 [ 42.466393] ? vfs_write+0x3d7/0x540 [ 42.470113] ? ioctl_preallocate+0x200/0x200 [ 42.474515] ? lock_downgrade+0x720/0x720 [ 42.478653] ? check_preemption_disabled+0x41/0x280 [ 42.483832] ? vfs_write+0x393/0x540 [ 42.487562] ? ksys_write+0x1c8/0x2a0 [ 42.491351] ksys_ioctl+0x9b/0xc0 [ 42.494802] __x64_sys_ioctl+0x6f/0xb0 [ 42.498679] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.503260] do_syscall_64+0xf9/0x620 [ 42.507050] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.512577] RIP: 0033:0x7fe62cee61c9 [ 42.516286] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 42.535272] RSP: 002b:00007ffc007bb688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.542983] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe62cee61c9 [ 42.550237] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 42.557494] RBP: 00007ffc007bb6d0 R08: 0000000000000002 R09: 00007ffc007bb6b8 [ 42.564759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.572032] R13: 00007ffc007bb6ba R14: 00007fe62cf5b4b0 R15: 000000000000000c [ 42.581752] ------------[ cut here ]------------ [ 42.586804] WARNING: CPU: 0 PID: 8100 at kernel/trace/blktrace.c:1172 blk_register_tracepoints.cold+0xe9/0x180 [ 42.596947] Kernel panic - not syncing: panic_on_warn set ... [ 42.596947] [ 42.604310] CPU: 0 PID: 8100 Comm: syz-executor408 Not tainted 4.19.211-syzkaller #0 [ 42.612177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.621536] Call Trace: [ 42.624190] dump_stack+0x1fc/0x2ef [ 42.627808] panic+0x26a/0x50e [ 42.630993] ? __warn_printk+0xf3/0xf3 [ 42.634866] ? blk_register_tracepoints.cold+0xe9/0x180 [ 42.640213] ? __probe_kernel_read+0x130/0x1b0 [ 42.644943] ? __warn.cold+0x5/0x5a [ 42.648568] ? __warn+0xe4/0x200 [ 42.651981] ? blk_register_tracepoints.cold+0xe9/0x180 [ 42.657458] __warn.cold+0x20/0x5a [ 42.661000] ? blk_register_tracepoints.cold+0xe9/0x180 [ 42.666391] report_bug+0x262/0x2b0 [ 42.670007] do_error_trap+0x1d7/0x310 [ 42.673878] ? math_error+0x310/0x310 [ 42.677663] ? __irq_work_queue_local+0x101/0x160 [ 42.682520] ? irq_work_queue+0x29/0x80 [ 42.686504] ? error_entry+0x72/0xd0 [ 42.690209] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.695212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.700190] invalid_op+0x14/0x20 [ 42.703635] RIP: 0010:blk_register_tracepoints.cold+0xe9/0x180 [ 42.709611] Code: f9 e8 61 39 6e f9 48 c7 c7 a0 c5 6e 88 e8 c0 6a ff ff 0f 0b e9 74 a1 73 f9 e8 49 39 6e f9 48 c7 c7 a0 c5 6e 88 e8 a8 6a ff ff <0f> 0b e9 2f a1 73 f9 e8 31 39 6e f9 48 c7 c7 a0 c5 6e 88 e8 90 6a [ 42.728510] RSP: 0018:ffff8880b164fa70 EFLAGS: 00010286 [ 42.733873] RAX: 0000000000000024 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 42.741158] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162c9f40 [ 42.748427] RBP: ffff8880a335d600 R08: 0000000000000024 R09: 0000000000000000 [ 42.755688] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff0 [ 42.762943] R13: 0000000000000000 R14: ffff8880a335d630 R15: 0000000000000000 [ 42.770211] ? vprintk_func+0x81/0x180 [ 42.774088] do_blk_trace_setup+0x915/0xb40 [ 42.778398] ? _copy_from_user+0xd2/0x130 [ 42.782530] __blk_trace_setup+0xca/0x180 [ 42.786664] ? do_blk_trace_setup+0xb40/0xb40 [ 42.791154] ? get_pid_task+0xcd/0x190 [ 42.795046] blk_trace_setup+0x43/0x60 [ 42.799124] sg_ioctl+0x270/0x2720 [ 42.802929] ? get_pid_task+0xf4/0x190 [ 42.806828] ? proc_fail_nth_write+0x95/0x1d0 [ 42.811322] ? sg_write+0xa0/0xa0 [ 42.814767] ? mark_held_locks+0xf0/0xf0 [ 42.818991] ? __vfs_write+0xff/0x770 [ 42.822784] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.827752] ? common_file_perm+0x4e5/0x850 [ 42.832086] ? sg_write+0xa0/0xa0 [ 42.835550] do_vfs_ioctl+0xcdb/0x12e0 [ 42.839430] ? vfs_write+0x3d7/0x540 [ 42.843339] ? ioctl_preallocate+0x200/0x200 [ 42.847747] ? lock_downgrade+0x720/0x720 [ 42.852037] ? check_preemption_disabled+0x41/0x280 [ 42.857044] ? vfs_write+0x393/0x540 [ 42.860742] ? ksys_write+0x1c8/0x2a0 [ 42.864540] ksys_ioctl+0x9b/0xc0 [ 42.867983] __x64_sys_ioctl+0x6f/0xb0 [ 42.871856] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.876448] do_syscall_64+0xf9/0x620 [ 42.880240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.885643] RIP: 0033:0x7fe62cee61c9 [ 42.889400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 42.908298] RSP: 002b:00007ffc007bb688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.915991] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe62cee61c9 [ 42.923261] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 42.930517] RBP: 00007ffc007bb6d0 R08: 0000000000000002 R09: 00007ffc007bb6b8 [ 42.937772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.945029] R13: 00007ffc007bb6ba R14: 00007fe62cf5b4b0 R15: 000000000000000c [ 42.952641] Kernel Offset: disabled [ 42.956325] Rebooting in 86400 seconds..