Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. [ 47.291781] FAULT_INJECTION: forcing a failure. [ 47.291781] name failslab, interval 1, probability 0, space 0, times 1 [ 47.303485] CPU: 1 PID: 8298 Comm: syz-executor251 Not tainted 4.14.272-syzkaller #0 [ 47.311625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.320977] Call Trace: [ 47.323919] dump_stack+0x14b/0x1e7 [ 47.327637] should_fail.cold.2+0x105/0x144 [ 47.332127] should_failslab+0xba/0xf0 [ 47.336113] kmem_cache_alloc_trace+0x2bd/0x3f0 [ 47.342251] ? blk_add_trace_bio_backmerge+0x40/0x40 [ 47.347346] tracepoint_probe_register_prio+0x4eb/0x9a0 [ 47.352777] ? mutex_unlock+0xd/0x10 [ 47.356467] tracepoint_probe_register+0xe/0x10 [ 47.361230] get_probe_ref+0x114/0x280 [ 47.365130] do_blk_trace_setup+0x6e4/0xa50 [ 47.369445] __blk_trace_setup+0xa8/0x110 [ 47.373566] ? do_blk_trace_setup+0xa50/0xa50 [ 47.378429] blk_trace_setup+0x47/0x70 [ 47.382340] sg_ioctl+0xda6/0x2e40 [ 47.385861] ? proc_tid_io_accounting+0x20/0x20 [ 47.390691] ? trace_hardirqs_on+0x10/0x10 [ 47.395110] ? sg_new_write.isra.10+0x880/0x880 [ 47.399958] ? __vfs_write+0xdb/0x840 [ 47.403922] ? debug_check_no_obj_freed+0x2d5/0x890 [ 47.408936] do_vfs_ioctl+0x180/0xfb0 [ 47.412724] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.417307] ? __sb_end_write+0xa4/0xd0 [ 47.421364] ? vfs_write+0x30b/0x4f0 [ 47.425071] ? SyS_write+0x100/0x250 [ 47.428860] ? SyS_read+0x250/0x250 [ 47.432766] SyS_ioctl+0x74/0x80 [ 47.436221] ? do_vfs_ioctl+0xfb0/0xfb0 [ 47.440185] do_syscall_64+0x1c7/0x5b0 [ 47.444061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.449164] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.454360] RIP: 0033:0x7f2b49db0cb9 [ 47.458136] RSP: 002b:00007ffe71264f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.466003] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2b49db0cb9 [ 47.473253] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 47.480668] RBP: 00007ffe71264fa0 R08: 0000000000000002 R09: 00007f2b49003533 [ 47.487998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.495242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.503235] ------------[ cut here ]------------ [ 47.508222] WARNING: CPU: 0 PID: 8298 at kernel/trace/blktrace.c:1190 get_probe_ref+0x23c/0x280 [ 47.517179] Kernel panic - not syncing: panic_on_warn set ... [ 47.517179] [ 47.524523] CPU: 0 PID: 8298 Comm: syz-executor251 Not tainted 4.14.272-syzkaller #0 [ 47.532379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.541832] Call Trace: [ 47.544401] dump_stack+0x14b/0x1e7 [ 47.548023] ? get_probe_ref+0x23c/0x280 [ 47.552176] panic+0x1b0/0x358 [ 47.555656] ? add_taint.cold.4+0x11/0x11 [ 47.559805] ? get_probe_ref+0x23c/0x280 [ 47.563869] __warn.cold.7+0x25/0x25 [ 47.567569] ? get_probe_ref+0x23c/0x280 [ 47.571648] report_bug+0x1a1/0x200 [ 47.575435] ? debug_smp_processor_id+0x17/0x20 [ 47.580085] do_error_trap+0x1bd/0x310 [ 47.583954] ? math_error+0x300/0x300 [ 47.587734] ? dump_stack+0x1d6/0x1e7 [ 47.591600] ? blk_add_trace_bio_backmerge+0x40/0x40 [ 47.596784] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 47.601632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.606552] do_invalid_op+0x1b/0x20 [ 47.610425] invalid_op+0x1b/0x40 [ 47.613856] RIP: 0010:get_probe_ref+0x23c/0x280 [ 47.618519] RSP: 0018:ffff8880ab43fa78 EFLAGS: 00010282 [ 47.623860] RAX: 00000000fffffff4 RBX: 00000000fffffff0 RCX: dffffc0000000000 [ 47.631208] RDX: 1ffffffff11e1151 RSI: 0000000000000000 RDI: 0000000000000282 [ 47.638633] RBP: ffff8880ab43fa78 R08: ffffffff8b09c940 R09: 0000000000000000 [ 47.646080] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ac028780 [ 47.653499] R13: ffff8880b4290b70 R14: 0000000000000000 R15: ffff8880b4290b40 [ 47.660946] ? get_probe_ref+0x114/0x280 [ 47.664999] do_blk_trace_setup+0x6e4/0xa50 [ 47.669310] __blk_trace_setup+0xa8/0x110 [ 47.673447] ? do_blk_trace_setup+0xa50/0xa50 [ 47.678012] blk_trace_setup+0x47/0x70 [ 47.681903] sg_ioctl+0xda6/0x2e40 [ 47.685545] ? proc_tid_io_accounting+0x20/0x20 [ 47.690657] ? trace_hardirqs_on+0x10/0x10 [ 47.694884] ? sg_new_write.isra.10+0x880/0x880 [ 47.699890] ? __vfs_write+0xdb/0x840 [ 47.703775] ? debug_check_no_obj_freed+0x2d5/0x890 [ 47.708875] do_vfs_ioctl+0x180/0xfb0 [ 47.712661] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.717154] ? __sb_end_write+0xa4/0xd0 [ 47.721104] ? vfs_write+0x30b/0x4f0 [ 47.724798] ? SyS_write+0x100/0x250 [ 47.728749] ? SyS_read+0x250/0x250 [ 47.732382] SyS_ioctl+0x74/0x80 [ 47.735726] ? do_vfs_ioctl+0xfb0/0xfb0 [ 47.739691] do_syscall_64+0x1c7/0x5b0 [ 47.743738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.748560] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.753751] RIP: 0033:0x7f2b49db0cb9 [ 47.757438] RSP: 002b:00007ffe71264f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.765399] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2b49db0cb9 [ 47.772734] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 47.780078] RBP: 00007ffe71264fa0 R08: 0000000000000002 R09: 00007f2b49003533 [ 47.787374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.794889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.802627] Kernel Offset: disabled [ 47.806384] Rebooting in 86400 seconds..