Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.831025] list_del corruption, ffff88809ba2fa90->next is LIST_POISON1 (dead000000000100) [ 37.839761] ------------[ cut here ]------------ [ 37.844504] kernel BUG at lib/list_debug.c:45! [ 37.849082] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 37.854443] CPU: 0 PID: 8114 Comm: syz-executor265 Not tainted 4.19.211-syzkaller #0 [ 37.862307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 37.871653] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 37.877344] 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 [ 37.896331] RSP: 0018:ffff88809ba2f970 EFLAGS: 00010086 [ 37.901672] RAX: 000000000000004e RBX: ffff88809ba2fa78 RCX: 0000000000000000 [ 37.908921] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013745f20 [ 37.916168] RBP: ffff88809ba2fa90 R08: 000000000000004e R09: 0000000000000000 [ 37.923419] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 37.930671] R13: dead000000000100 R14: ffff88809ba2fa98 R15: 0000000000000007 [ 37.937919] FS: 0000555555b51300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 37.946144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.952014] CR2: 0000000020400000 CR3: 0000000099622000 CR4: 00000000003406f0 [ 37.959265] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.966513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.973783] Call Trace: [ 37.976356] remove_wait_queue+0x2c/0x180 [ 37.980486] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.985050] __tipc_sendstream+0x373/0x9d0 [ 37.989267] ? tipc_sendmsg+0x70/0x70 [ 37.993044] ? do_wait_intr_irq+0x270/0x270 [ 37.997346] ? __local_bh_enable_ip+0x159/0x270 [ 38.001998] tipc_sendstream+0x4c/0x70 [ 38.005866] ? __tipc_sendstream+0x9d0/0x9d0 [ 38.010253] sock_sendmsg+0xc3/0x120 [ 38.013955] sock_write_iter+0x287/0x3c0 [ 38.017995] ? sock_sendmsg+0x120/0x120 [ 38.021957] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.026527] ? tipc_connect+0x17e/0x690 [ 38.030482] ? __local_bh_enable_ip+0x159/0x270 [ 38.035133] ? tipc_connect+0x183/0x690 [ 38.039089] __vfs_write+0x51b/0x770 [ 38.042783] ? kernel_read+0x110/0x110 [ 38.046654] ? security_file_permission+0x1c0/0x220 [ 38.051650] vfs_write+0x1f3/0x540 [ 38.055170] ksys_write+0x12b/0x2a0 [ 38.058775] ? __ia32_sys_read+0xb0/0xb0 [ 38.062815] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.067808] ? do_syscall_64+0x21/0x620 [ 38.071761] do_syscall_64+0xf9/0x620 [ 38.075544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.080712] RIP: 0033:0x7f31dccddd59 [ 38.084405] 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 [ 38.103284] RSP: 002b:00007ffeee9bbfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.110970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31dccddd59 [ 38.118221] RDX: 000000002000011a RSI: 0000000020000040 RDI: 0000000000000003 [ 38.125468] RBP: 0000000000000000 R08: 00007ffeee9bc158 R09: 00007ffeee9bc158 [ 38.132715] R10: 00007ffeee9bc158 R11: 0000000000000246 R12: 00007f31dcca15e0 [ 38.139964] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.147214] Modules linked in: [ 38.150391] ---[ end trace 99025fadd4b8c47a ]--- [ 38.155133] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 38.160823] 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 [ 38.179699] RSP: 0018:ffff88809ba2f970 EFLAGS: 00010086 [ 38.185040] RAX: 000000000000004e RBX: ffff88809ba2fa78 RCX: 0000000000000000 [ 38.192285] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013745f20 [ 38.199531] RBP: ffff88809ba2fa90 R08: 000000000000004e R09: 0000000000000000 [ 38.206789] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 38.214035] R13: dead000000000100 R14: ffff88809ba2fa98 R15: 0000000000000007 [ 38.221286] FS: 0000555555b51300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.229509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.235368] CR2: 0000000020400000 CR3: 0000000099622000 CR4: 00000000003406f0 [ 38.242615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.249867] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.257117] Kernel panic - not syncing: Fatal exception [ 38.262615] Kernel Offset: disabled [ 38.266223] Rebooting in 86400 seconds..