| TITLE: general protection fault in p9_conn_cancel |
| |
| [ 242.871006] kasan: CONFIG_KASAN_INLINE enabled |
| [ 242.875630] kasan: GPF could be caused by NULL-ptr deref or user memory access |
| [ 242.882995] general protection fault: 0000 [#1] SMP KASAN |
| [ 242.888540] CPU: 0 PID: 26 Comm: kworker/0:2 Not tainted 4.18.0-rc7+ #176 |
| [ 242.895468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 242.904838] Workqueue: events p9_poll_workfn |
| [ 242.909334] RIP: 0010:perf_trace_lock+0xbb/0x920 |
| [ 242.914109] Code: 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 70 fe ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 3a 05 00 00 49 8b 78 18 48 85 ff 0f 84 23 04 00 |
| [ 242.929387] binder: 21725:21756 BC_ACQUIRE_DONE u0000000000000000 no match |
| [ 242.933327] RSP: 0018:ffff8801d9847008 EFLAGS: 00010006 |
| [ 242.933338] RAX: 0000000000000006 RBX: 1ffff1003b308e09 RCX: ffffffff867e85e5 |
| [ 242.933346] RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff87f7b700 |
| [ 242.933353] RBP: ffff8801d98471d0 R08: 0000000000000018 R09: ffffed00332291b0 |
| [ 242.933361] R10: ffffed00332291b0 R11: ffff880199148d83 R12: ffff8801d98471a8 |
| [ 242.933369] R13: 0000000000000018 R14: dffffc0000000000 R15: ffffffff87f7b700 |
| [ 242.933379] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 |
| [ 242.933386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 242.933400] CR2: 00007f0b2981bdb8 CR3: 000000019c56e000 CR4: 00000000001406f0 |
| [ 243.003306] DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 |
| [ 243.010559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 |
| [ 243.017807] Call Trace: |
| [ 243.020386] ? perf_trace_lock_acquire+0xeb/0x9a0 |
| [ 243.025214] ? perf_trace_lock+0x920/0x920 |
| [ 243.029430] ? zap_class+0x740/0x740 |
| [ 243.033127] ? print_usage_bug+0xc0/0xc0 |
| [ 243.037177] ? find_held_lock+0x36/0x1c0 |
| [ 243.041225] ? trace_hardirqs_on+0x10/0x10 |
| [ 243.045444] ? find_held_lock+0x36/0x1c0 |
| [ 243.049491] ? print_usage_bug+0xc0/0xc0 |
| [ 243.053537] ? __lock_acquire+0x7fc/0x5020 |
| [ 243.057752] ? print_usage_bug+0xc0/0xc0 |
| [ 243.061805] lock_release+0x5fa/0xa30 |
| [ 243.065600] ? lock_acquire+0x1e4/0x540 |
| [ 243.069558] ? p9_conn_cancel+0x9b6/0xd30 |
| [ 243.073689] ? lock_downgrade+0x8f0/0x8f0 |
| [ 243.077819] ? lock_release+0xa30/0xa30 |
| [ 243.081776] ? zap_class+0x740/0x740 |
| [ 243.085488] ? kasan_check_write+0x14/0x20 |
| [ 243.089705] ? do_raw_spin_lock+0xc1/0x200 |
| [ 243.093933] _raw_spin_unlock_irqrestore+0x1f/0xc0 |
| [ 243.098849] p9_conn_cancel+0x9b6/0xd30 |
| [ 243.102813] ? p9_fd_cancelled+0x2f0/0x2f0 |
| [ 243.107036] ? lock_downgrade+0x8f0/0x8f0 |
| [ 243.111171] ? mark_held_locks+0xc9/0x160 |
| [ 243.115305] ? do_raw_spin_trylock+0x1c0/0x1c0 |
| [ 243.119871] ? _raw_spin_unlock_irqrestore+0x74/0xc0 |
| [ 243.124980] ? trace_hardirqs_on_caller+0x421/0x5c0 |
| [ 243.129984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 |
| [ 243.135592] p9_poll_workfn+0x4b2/0x6d0 |
| [ 243.139552] ? p9_read_work+0x1060/0x1060 |
| [ 243.143685] ? graph_lock+0x170/0x170 |
| [ 243.147472] ? lock_acquire+0x1e4/0x540 |
| [ 243.151431] ? process_one_work+0xb9b/0x1ba0 |
| [ 243.155823] ? kasan_check_read+0x11/0x20 |
| [ 243.159969] ? __lock_is_held+0xb5/0x140 |
| [ 243.164020] process_one_work+0xc73/0x1ba0 |
| [ 243.168244] ? trace_hardirqs_on+0x10/0x10 |
| [ 243.172468] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 |
| [ 243.177127] ? lock_repin_lock+0x430/0x430 |
| [ 243.181351] ? perf_trace_lock_acquire+0xeb/0x9a0 |
| [ 243.186178] ? perf_trace_lock+0x920/0x920 |
| [ 243.190397] ? lock_downgrade+0x8f0/0x8f0 |
| [ 243.194529] ? retint_kernel+0x10/0x10 |
| [ 243.198402] ? graph_lock+0x170/0x170 |
| [ 243.202189] ? trace_hardirqs_on_thunk+0x1a/0x1c |
| [ 243.206937] ? lock_acquire+0x1e4/0x540 |
| [ 243.210897] ? worker_thread+0x3dc/0x13c0 |
| [ 243.215033] ? lock_downgrade+0x8f0/0x8f0 |
| [ 243.219165] ? lock_release+0xa30/0xa30 |
| [ 243.223125] ? kasan_check_read+0x11/0x20 |
| [ 243.227258] ? do_raw_spin_unlock+0xa7/0x2f0 |
| [ 243.231651] ? do_raw_spin_trylock+0x1c0/0x1c0 |
| [ 243.236218] ? kasan_check_write+0x14/0x20 |
| [ 243.240441] ? do_raw_spin_lock+0xc1/0x200 |
| [ 243.244662] worker_thread+0x189/0x13c0 |
| [ 243.248625] ? process_one_work+0x1ba0/0x1ba0 |
| [ 243.253106] ? graph_lock+0x170/0x170 |
| [ 243.256906] ? graph_lock+0x170/0x170 |
| [ 243.260692] ? find_held_lock+0x36/0x1c0 |
| [ 243.264743] ? find_held_lock+0x36/0x1c0 |
| [ 243.268797] ? kasan_check_read+0x11/0x20 |
| [ 243.272936] ? do_raw_spin_unlock+0xa7/0x2f0 |
| [ 243.277334] ? _raw_spin_unlock_irqrestore+0x74/0xc0 |
| [ 243.282433] ? __kthread_parkme+0x58/0x1b0 |
| [ 243.286654] ? trace_hardirqs_on_caller+0x421/0x5c0 |
| [ 243.291655] ? trace_hardirqs_on+0xd/0x10 |
| [ 243.295790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 |
| [ 243.301311] ? __kthread_parkme+0x106/0x1b0 |
| [ 243.305616] kthread+0x345/0x410 |
| [ 243.308968] ? process_one_work+0x1ba0/0x1ba0 |
| [ 243.313444] ? kthread_bind+0x40/0x40 |
| [ 243.317227] ret_from_fork+0x3a/0x50 |
| [ 243.320922] Modules linked in: |
| [ 243.324100] Dumping ftrace buffer: |
| [ 243.327619] (ftrace buffer empty) |
| [ 243.331321] ---[ end trace a22d9bc3f66cafcb ]--- |
| [ 243.336069] RIP: 0010:perf_trace_lock+0xbb/0x920 |
| [ 243.340800] Code: 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 70 fe ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 3a 05 00 00 49 8b 78 18 48 85 ff 0f 84 23 04 00 |
| [ 243.359985] RSP: 0018:ffff8801d9847008 EFLAGS: 00010006 |
| [ 243.365332] RAX: 0000000000000006 RBX: 1ffff1003b308e09 RCX: ffffffff867e85e5 |
| [ 243.372584] RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff87f7b700 |
| [ 243.379838] RBP: ffff8801d98471d0 R08: 0000000000000018 R09: ffffed00332291b0 |
| [ 243.387090] R10: ffffed00332291b0 R11: ffff880199148d83 R12: ffff8801d98471a8 |
| [ 243.394341] R13: 0000000000000018 R14: dffffc0000000000 R15: ffffffff87f7b700 |
| [ 243.401599] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 |
| [ 243.409806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 243.415667] CR2: 00007f0b2981bdb8 CR3: 000000019c56e000 CR4: 00000000001406f0 |
| [ 243.422928] DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 |
| [ 243.430187] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 |
| [ 243.437444] Kernel panic - not syncing: Fatal exception |
| [ 243.443364] Dumping ftrace buffer: |
| [ 243.446892] (ftrace buffer empty) |
| [ 243.450580] Kernel Offset: disabled |
| [ 243.454197] Rebooting in 86400 seconds.. |
