| TITLE: BUG: unable to handle kernel paging request in remove_wait_queue |
| |
| [ 19.572672] BUG: unable to handle kernel paging request at 0000000100000137 |
| [ 19.572683] IP: __lock_acquire+0xd8/0x1430 |
| [ 19.572685] PGD 0 P4D 0 |
| [ 19.572688] Oops: 0002 [#1] SMP |
| [ 19.572691] Dumping ftrace buffer: |
| [ 19.572693] (ftrace buffer empty) |
| [ 19.572694] Modules linked in: |
| [ 19.572698] CPU: 1 PID: 3131 Comm: syzkaller331655 Not tainted 4.15.0-rc3-next-20171214+ #67 |
| [ 19.572700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 19.572703] RIP: 0010:__lock_acquire+0xd8/0x1430 |
| [ 19.572705] RSP: 0018:ffffc9000190bb90 EFLAGS: 00010006 |
| [ 19.572707] RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 0000000000000000 |
| [ 19.572708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8802143518b8 |
| [ 19.572710] RBP: ffffc9000190bc60 R08: 0000000000000001 R09: ffffffff8121b4f4 |
| [ 19.572712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 |
| [ 19.572713] R13: ffff880213514240 R14: 0000000000000001 R15: ffff8802143518b8 |
| [ 19.572716] FS: 000000000149c880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 |
| [ 19.572717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 19.572719] CR2: 0000000100000137 CR3: 000000000301e003 CR4: 00000000001606e0 |
| [ 19.572724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 19.572725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 19.572726] Call Trace: |
| [ 19.572732] lock_acquire+0xbf/0x220 |
| [ 19.572735] ? lock_acquire+0xbf/0x220 |
| [ 19.572739] ? remove_wait_queue+0x14/0x60 |
| [ 19.572745] ? ep_unregister_pollwait.isra.7+0x105/0x1f0 |
| [ 19.572749] _raw_spin_lock_irqsave+0x56/0x70 |
| [ 19.572752] ? remove_wait_queue+0x14/0x60 |
| [ 19.572755] remove_wait_queue+0x14/0x60 |
| [ 19.572758] ep_unregister_pollwait.isra.7+0x79/0x1f0 |
| [ 19.572762] ep_remove+0x22/0x180 |
| [ 19.572765] eventpoll_release_file+0x63/0xa0 |
| [ 19.572774] __fput+0x232/0x270 |
| [ 19.572778] ____fput+0x15/0x20 |
| [ 19.572783] task_work_run+0xa3/0xe0 |
| [ 19.572787] do_exit+0x3e6/0x1050 |
| [ 19.572793] ? security_file_ioctl+0x51/0x80 |
| [ 19.572797] do_group_exit+0x60/0x100 |
| [ 19.572800] SyS_exit_group+0x18/0x20 |
| [ 19.572805] entry_SYSCALL_64_fastpath+0x1f/0x96 |
| [ 19.572807] RIP: 0033:0x4444f9 |
| [ 19.572809] RSP: 002b:00007ffee7715938 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 |
| [ 19.572813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004444f9 |
| [ 19.572815] RDX: 00000000004444f9 RSI: 0000000000000000 RDI: 0000000000000000 |
| [ 19.572816] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 |
| [ 19.572818] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 |
| [ 19.572819] R13: 0000000000401e00 R14: 0000000000000000 R15: 0000000000000000 |
| [ 19.572822] Code: ff ff e8 6c db ff ff 48 85 c0 4c 8b 8d 60 ff ff ff 44 8b 9d 48 ff ff ff 44 8b 95 40 ff ff ff 8b 8d 3c ff ff ff 0f 84 6d 03 00 00 <f0> ff 80 38 01 00 00 8b 1d 33 4e d4 02 45 8b 85 68 08 00 00 85 |
| [ 19.572867] RIP: __lock_acquire+0xd8/0x1430 RSP: ffffc9000190bb90 |
| [ 19.572868] CR2: 0000000100000137 |
| [ 19.572872] ---[ end trace 43b4a0602d494b9e ]--- |
