Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 53.817165] list_del corruption, ffff88809d0dfa70->next is LIST_POISON1 (dead000000000100) [ 53.825959] ------------[ cut here ]------------ [ 53.830721] kernel BUG at lib/list_debug.c:45! [ 53.835298] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 53.840642] CPU: 0 PID: 9145 Comm: syz-executor138 Not tainted 4.19.211-syzkaller #0 [ 53.848497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.857853] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 53.863560] 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 [ 53.882450] RSP: 0018:ffff88809d0df950 EFLAGS: 00010086 [ 53.887811] RAX: 000000000000004e RBX: ffff88809d0dfa58 RCX: 0000000000000000 [ 53.895258] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013a1bf1c [ 53.902527] RBP: ffff88809d0dfa70 R08: 000000000000004e R09: 0000000000000000 [ 53.909794] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 53.917062] R13: dead000000000100 R14: ffff88809d0dfa78 R15: 0000000000000007 [ 53.924347] FS: 00007f7ddce30700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 53.932571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.938458] CR2: 0000000021000000 CR3: 000000009da2d000 CR4: 00000000003406f0 [ 53.945731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.952994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.960242] Call Trace: [ 53.962818] remove_wait_queue+0x2c/0x180 executing program [ 53.966954] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.971520] __tipc_sendstream+0x373/0x9d0 [ 53.975743] ? tipc_sendmsg+0x70/0x70 [ 53.979520] ? do_wait_intr_irq+0x270/0x270 [ 53.983845] ? mark_held_locks+0xa6/0xf0 [ 53.987901] ? __local_bh_enable_ip+0x159/0x270 [ 53.992570] tipc_sendstream+0x4c/0x70 [ 53.996459] ? __tipc_sendstream+0x9d0/0x9d0 [ 54.000864] sock_sendmsg+0xc3/0x120 [ 54.004572] ___sys_sendmsg+0x7bb/0x8e0 [ 54.008552] ? copy_msghdr_from_user+0x440/0x440 [ 54.013305] ? __fget+0x32f/0x510 executing program executing program executing program [ 54.016757] ? lock_downgrade+0x720/0x720 [ 54.020908] ? check_preemption_disabled+0x41/0x280 [ 54.025970] ? check_preemption_disabled+0x41/0x280 [ 54.030987] ? __fget+0x356/0x510 [ 54.034441] ? do_dup2+0x450/0x450 [ 54.037975] ? __fdget+0x1d0/0x230 [ 54.041494] __x64_sys_sendmsg+0x132/0x220 [ 54.045710] ? __sys_sendmsg+0x1b0/0x1b0 [ 54.049751] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 54.055098] ? trace_hardirqs_off_caller+0x6e/0x210 [ 54.060091] ? do_syscall_64+0x21/0x620 [ 54.064045] do_syscall_64+0xf9/0x620 executing program [ 54.067840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.073013] RIP: 0033:0x7f7ddcec0a59 [ 54.076721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 [ 54.095621] RSP: 002b:00007f7ddce30318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 54.103328] RAX: ffffffffffffffda RBX: 00007f7ddcf48428 RCX: 00007f7ddcec0a59 [ 54.110607] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 executing program [ 54.117886] RBP: 00007f7ddcf48420 R08: 00007f7ddce30700 R09: 0000000000000000 [ 54.125155] R10: 00007f7ddce30700 R11: 0000000000000246 R12: 00007f7ddcf4842c [ 54.132424] R13: 00007fff461b8f6f R14: 00007f7ddce30400 R15: 0000000000022000 [ 54.139689] Modules linked in: [ 54.142896] ---[ end trace f93307d72b3f2361 ]--- [ 54.147671] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a executing program [ 54.153378] 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 [ 54.172269] RSP: 0018:ffff88809d0df950 EFLAGS: 00010086 [ 54.177627] RAX: 000000000000004e RBX: ffff88809d0dfa58 RCX: 0000000000000000 [ 54.184889] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013a1bf1c [ 54.192164] RBP: ffff88809d0dfa70 R08: 000000000000004e R09: 0000000000000000 [ 54.199427] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 54.206685] R13: dead000000000100 R14: ffff88809d0dfa78 R15: 0000000000000007 [ 54.213945] FS: 00007f7ddce30700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 54.222157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.228020] CR2: 0000000021000000 CR3: 000000009da2d000 CR4: 00000000003406f0 [ 54.235289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.242555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.249820] Kernel panic - not syncing: Fatal exception [ 54.255345] Kernel Offset: disabled [ 54.258972] Rebooting in 86400 seconds..