audit: type=1804 audit(1610837194.686:1016): pid=26902 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir094399231/syzkaller.hiaNry/1591/file0" dev="sda1" ino=16758 res=1 list_del corruption, ffff88809c197a90->next is LIST_POISON1 (dead000000000100) list_del corruption, ffff88804b58fa90->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26896 Comm: syz-executor.2 Not tainted 4.19.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x23/0x55 lib/list_debug.c:45 Code: e8 d6 92 cf fd 0f 0b 48 89 ee 48 c7 c7 20 c1 b3 88 e8 c5 92 cf fd 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 60 c0 b3 88 e8 b1 92 cf fd <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 c0 c0 b3 88 e8 9d 92 cf fd 0f 0b RSP: 0018:ffff88809c197970 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff88809c197a78 RCX: 0000000000000000 RDX: 0000000000036a1f RSI: ffffffff814fde01 RDI: ffffed1013832f20 RBP: ffff88809c197a90 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff88809c197a98 R15: 0000000000000007 FS: 00007f8eddbfa700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ea7956f280 CR3: 000000004ad50000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] __remove_wait_queue include/linux/wait.h:184 [inline] remove_wait_queue+0x2c/0x180 kernel/sched/wait.c:44 __tipc_sendstream+0x373/0x9d0 net/tipc/socket.c:1446 tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1411 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 sock_write_iter+0x287/0x3c0 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8eddbf9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000457d10 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffdd070171f R14: 00007f8eddbfa9c0 R15: 000000000119bf8c Modules linked in: ---[ end trace b8671f8d8ed6e88d ]--- invalid opcode: 0000 [#2] PREEMPT SMP KASAN RIP: 0010:__list_del_entry_valid.cold+0x23/0x55 lib/list_debug.c:45 CPU: 1 PID: 26940 Comm: syz-executor.2 Tainted: G D 4.19.167-syzkaller #0 Code: e8 d6 92 cf fd 0f 0b 48 89 ee 48 c7 c7 20 c1 b3 88 e8 c5 92 cf fd 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 60 c0 b3 88 e8 b1 92 cf fd <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 c0 c0 b3 88 e8 9d 92 cf fd 0f 0b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RSP: 0018:ffff88809c197970 EFLAGS: 00010086 RIP: 0010:__list_del_entry_valid.cold+0x23/0x55 lib/list_debug.c:45 RAX: 000000000000004e RBX: ffff88809c197a78 RCX: 0000000000000000 Code: e8 d6 92 cf fd 0f 0b 48 89 ee 48 c7 c7 20 c1 b3 88 e8 c5 92 cf fd 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 60 c0 b3 88 e8 b1 92 cf fd <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 c0 c0 b3 88 e8 9d 92 cf fd 0f 0b RDX: 0000000000036a1f RSI: ffffffff814fde01 RDI: ffffed1013832f20 RSP: 0018:ffff88804b58f970 EFLAGS: 00010086 RBP: ffff88809c197a90 R08: 000000000000004e R09: 0000000000000000 RAX: 000000000000004e RBX: ffff88804b58fa78 RCX: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 RDX: 000000000003783f RSI: ffffffff814fde01 RDI: ffffed10096b1f20 RBP: ffff88804b58fa90 R08: 000000000000004e R09: 0000000000000000 R13: dead000000000100 R14: ffff88809c197a98 R15: 0000000000000007 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 FS: 00007f8eddbfa700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 R13: dead000000000100 R14: ffff88804b58fa98 R15: 0000000000000007 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 FS: 00007f8eddbb8700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CR2: 000055ea7956f280 CR3: 000000004ad50000 CR4: 00000000001406f0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CR2: 00007f8eddbb7db8 CR3: 000000004ad50000 CR4: 00000000001406e0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000