[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.589429] list_del corruption, ffff8880b151fa90->next is LIST_POISON1 (dead000000000100) [ 39.598093] ------------[ cut here ]------------ [ 39.602836] kernel BUG at lib/list_debug.c:45! [ 39.607398] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 39.612735] CPU: 1 PID: 8111 Comm: syz-executor133 Not tainted 4.19.211-syzkaller #0 [ 39.620587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 39.629924] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 39.635613] 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 [ 39.654574] RSP: 0018:ffff8880b151f970 EFLAGS: 00010086 [ 39.659909] RAX: 000000000000004e RBX: ffff8880b151fa78 RCX: 0000000000000000 [ 39.667150] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162a3f20 [ 39.674493] RBP: ffff8880b151fa90 R08: 000000000000004e R09: 0000000000000000 [ 39.681751] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 39.689008] R13: dead000000000100 R14: ffff8880b151fa98 R15: 0000000000000007 [ 39.696260] FS: 0000555555630300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.704464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.710341] CR2: 000055ed998c7160 CR3: 000000009431a000 CR4: 00000000003406e0 [ 39.717595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.724847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.732096] Call Trace: [ 39.734664] remove_wait_queue+0x2c/0x180 [ 39.738790] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.743349] __tipc_sendstream+0x373/0x9d0 [ 39.747557] ? tipc_sendmsg+0x70/0x70 [ 39.751337] ? do_wait_intr_irq+0x270/0x270 [ 39.755638] ? __local_bh_enable_ip+0x159/0x270 [ 39.760280] tipc_sendstream+0x4c/0x70 [ 39.764141] ? __tipc_sendstream+0x9d0/0x9d0 [ 39.768522] sock_sendmsg+0xc3/0x120 [ 39.772216] sock_write_iter+0x287/0x3c0 [ 39.776251] ? sock_sendmsg+0x120/0x120 [ 39.780200] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.784756] ? tipc_connect+0x17e/0x690 [ 39.789481] ? __local_bh_enable_ip+0x159/0x270 [ 39.794123] ? tipc_connect+0x183/0x690 [ 39.798069] __vfs_write+0x51b/0x770 [ 39.801763] ? kernel_read+0x110/0x110 [ 39.805634] ? security_file_permission+0x1c0/0x220 [ 39.810637] vfs_write+0x1f3/0x540 [ 39.814171] ksys_write+0x12b/0x2a0 [ 39.817783] ? __ia32_sys_read+0xb0/0xb0 [ 39.821840] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.826838] ? do_syscall_64+0x21/0x620 [ 39.830791] do_syscall_64+0xf9/0x620 [ 39.834572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.839746] RIP: 0033:0x7f4b120a3d59 [ 39.843451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 39.862341] RSP: 002b:00007ffe0aa598b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.870027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b120a3d59 [ 39.877268] RDX: 000000002000011a RSI: 0000000020000080 RDI: 0000000000000003 [ 39.884510] RBP: 0000000000000000 R08: 00007ffe0aa59a58 R09: 00007ffe0aa59a58 [ 39.891754] R10: 00007ffe0aa59a58 R11: 0000000000000246 R12: 00007f4b120675e0 [ 39.898996] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.906242] Modules linked in: [ 39.909414] ---[ end trace 5a0e439888280c1a ]--- [ 39.914157] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 39.919842] 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 [ 39.938717] RSP: 0018:ffff8880b151f970 EFLAGS: 00010086 [ 39.944051] RAX: 000000000000004e RBX: ffff8880b151fa78 RCX: 0000000000000000 [ 39.951294] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162a3f20 [ 39.958560] RBP: ffff8880b151fa90 R08: 000000000000004e R09: 0000000000000000 [ 39.966072] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 39.973325] R13: dead000000000100 R14: ffff8880b151fa98 R15: 0000000000000007 [ 39.980573] FS: 0000555555630300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.988771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.994629] CR2: 000055ed998c7160 CR3: 000000009431a000 CR4: 00000000003406e0 [ 40.001874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.009122] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.016364] Kernel panic - not syncing: Fatal exception [ 40.021874] Kernel Offset: disabled [ 40.025480] Rebooting in 86400 seconds..