list_del corruption, ffff8880ab76fa90->next is LIST_POISON1 (dead000000000100) list_del corruption, ffff888091e9fa90->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: 1 PID: 16787 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b RSP: 0018:ffff8880ab76f970 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff8880ab76fa78 RCX: 0000000000000000 RDX: 00000000000281c6 RSI: ffffffff814dff01 RDI: ffffed10156edf20 RBP: ffff8880ab76fa90 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff8880ab76fa98 R15: 0000000000000007 FS: 00007f1836e07700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b9871c265 CR3: 00000000af163000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:1449 tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1414 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 sock_write_iter+0x287/0x3c0 net/socket.c:966 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: 0033:0x7f18388b60f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1836e07168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f18389d6050 RCX: 00007f18388b60f9 RDX: 000000002000011a RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f1838911ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff28f15bef R14: 00007f1836e07300 R15: 0000000000022000 Modules linked in: ---[ end trace 2bba433c6b394005 ]--- invalid opcode: 0000 [#2] PREEMPT SMP KASAN RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 CPU: 0 PID: 16780 Comm: syz-executor.0 Tainted: G D 4.19.211-syzkaller #0 Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RSP: 0018:ffff8880ab76f970 EFLAGS: 00010086 RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 RAX: 000000000000004e RBX: ffff8880ab76fa78 RCX: 0000000000000000 Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b RDX: 00000000000281c6 RSI: ffffffff814dff01 RDI: ffffed10156edf20 RSP: 0018:ffff888091e9f970 EFLAGS: 00010086 RBP: ffff8880ab76fa90 R08: 000000000000004e R09: 0000000000000000 RAX: 000000000000004e RBX: ffff888091e9fa78 RCX: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed10123d3f20 R13: dead000000000100 R14: ffff8880ab76fa98 R15: 0000000000000007 RBP: ffff888091e9fa90 R08: 000000000000004e R09: 0000000000000000 FS: 00007f1836e07700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: dead000000000100 R14: ffff888091e9fa98 R15: 0000000000000007 CR2: 00007f2b9871c265 CR3: 00000000af163000 CR4: 00000000003426e0 FS: 00007f1836e28700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CR2: 00007f019148e028 CR3: 00000000af163000 CR4: 00000000003426f0