list_del corruption, ffff8880af44fa90->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 26207 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 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:ffff8880af44f970 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff8880af44fa78 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1015e89f20 RBP: ffff8880af44fa90 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff8880af44fa98 R15: 0000000000000007 list_del corruption, ffff88804e5bfa90->next is LIST_POISON1 (dead000000000100) FS: 00007f1fb2993700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 ------------[ cut here ]------------ CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel BUG at lib/list_debug.c:45! CR2: 0000001b2e522000 CR3: 00000000b41e3000 CR4: 00000000003406e0 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: 0033:0x7f1fb44420f9 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:00007f1fb2993168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1fb4562050 RCX: 00007f1fb44420f9 RDX: 000000002000011a RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007f1fb449dae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe773fa42f R14: 00007f1fb2993300 R15: 0000000000022000 Modules linked in: ---[ end trace ca91c54f7817a4e4 ]--- invalid opcode: 0000 [#2] PREEMPT SMP KASAN RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 CPU: 0 PID: 26210 Comm: syz-executor.3 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 02/16/2023 RSP: 0018:ffff8880af44f970 EFLAGS: 00010086 RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 RAX: 000000000000004e RBX: ffff8880af44fa78 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: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1015e89f20 RSP: 0018:ffff88804e5bf970 EFLAGS: 00010086 RBP: ffff8880af44fa90 R08: 000000000000004e R09: 0000000000000000 RAX: 000000000000004e RBX: ffff88804e5bfa78 RCX: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1009cb7f20 R13: dead000000000100 R14: ffff8880af44fa98 R15: 0000000000000007 RBP: ffff88804e5bfa90 R08: 000000000000004e R09: 0000000000000000 FS: 00007f1fb2993700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 R10: 0000000000000005 R11: ffffffff8c66501b R12: dead000000000200 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: dead000000000100 R14: ffff88804e5bfa98 R15: 0000000000000007 CR2: 0000001b2e522000 CR3: 00000000b41e3000 CR4: 00000000003406e0 FS: 00007f334e266700(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: 00007fc45098a740 CR3: 00000000b4e73000 CR4: 00000000003406f0