Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts. executing program [* ] A start job is running for dev-ttyS0.device (9s / 1min 30s) [** ] A start job is running for dev-ttyS0.device (9s / 1min 30s) [*** ] A start job is running for dev-ttyS0.device (10s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (11s / 1min 30s) [ ***] A start job is running for dev-ttyS0.device (12s / 1min 30s) [ **] A start job is running for dev-ttyS0.device (12s / 1min 30s) [ *] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ 20.215378][ T22] audit: type=1400 audit(1598788229.448:8): avc: denied { execmem } for pid=329 comm="syz-executor286" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.267288][ T331] list_add double add: new=ffff8881cde94278, prev=ffff8881cde4a2e8, next=ffff8881cde94278. [ 20.277324][ T331] ------------[ cut here ]------------ [ 20.282774][ T331] kernel BUG at lib/list_debug.c:31! [ 20.288047][ T331] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 20.294085][ T331] CPU: 0 PID: 331 Comm: syz-executor286 Not tainted 5.4.61-syzkaller-00873-ge15cc541b749 #0 [ 20.304110][ T331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.314248][ T331] RIP: 0010:__list_add_valid+0x8a/0xc0 [ 20.320198][ T331] Code: 74 11 4d 39 f7 74 0c b0 01 5b 41 5c 41 5d 41 5e 41 5f c3 48 c7 c7 0e fb 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 d2 55 2e ff <0f> 0b 48 c7 c7 59 fa 98 84 4c 89 e6 4c 89 f1 31 c0 e8 bc 55 2e ff [ 20.339774][ T331] RSP: 0018:ffff8881cde17850 EFLAGS: 00010046 [ 20.345811][ T331] RAX: 0000000000000058 RBX: ffff8881cde94280 RCX: ef6f7f00f5390d00 [ 20.353769][ T331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 20.361715][ T331] RBP: ffff8881cde17970 R08: ffffffff812bef2e R09: ffffed103b705e00 [ 20.369661][ T331] R10: ffffed103b705e00 R11: 0000000000000000 R12: ffff8881cde4a2e8 [ 20.377604][ T331] R13: dffffc0000000000 R14: ffff8881cde94278 R15: ffff8881cde94278 [ 20.385638][ T331] FS: 00007f8aa3360700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 [ 20.394555][ T331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.401125][ T331] CR2: 00007f8aa335fe78 CR3: 00000001ce836003 CR4: 00000000001606f0 [ 20.409071][ T331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.417028][ T331] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.424968][ T331] Call Trace: [ 20.428252][ T331] io_poll_wake+0x714/0xbb0 [ 20.432817][ T331] ? cpus_share_cache+0xd0/0xd0 [ 20.437638][ T331] ? io_poll_queue_proc+0x130/0x130 [ 20.442807][ T331] ? _raw_spin_lock_irqsave+0xfc/0x1e0 [ 20.448238][ T331] ? autoremove_wake_function+0x33/0xf0 [ 20.453759][ T331] __wake_up_common+0x27a/0x450 [ 20.458591][ T331] __wake_up+0x145/0x210 [ 20.462805][ T331] ? remove_wait_queue+0x120/0x120 [ 20.467905][ T331] ? avc_has_perm_noaudit+0x30c/0x400 [ 20.473258][ T331] ? free_unref_page_commit+0xff/0x380 [ 20.478695][ T331] splice_from_pipe_next+0x2a3/0x440 [ 20.483953][ T331] __splice_from_pipe+0xfa/0x870 [ 20.488863][ T331] ? generic_splice_sendpage+0x210/0x210 [ 20.494468][ T331] generic_splice_sendpage+0x184/0x210 [ 20.499897][ T331] ? iter_file_splice_write+0xf60/0xf60 [ 20.505414][ T331] ? security_file_permission+0x128/0x300 [ 20.511104][ T331] ? iter_file_splice_write+0xf60/0xf60 [ 20.516632][ T331] __se_sys_splice+0x7ee/0x1b70 [ 20.521473][ T331] ? __fpregs_load_activate+0x2d3/0x390 [ 20.526990][ T331] ? __x64_sys_splice+0xf0/0xf0 [ 20.531824][ T331] ? finish_task_switch+0x2be/0x4c0 [ 20.536991][ T331] ? __x64_sys_splice+0x1d/0xf0 [ 20.541831][ T331] do_syscall_64+0xcb/0x150 [ 20.546320][ T331] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.552185][ T331] RIP: 0033:0x445c69 [ 20.556050][ T331] Code: e8 bc b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab 11 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 20.575625][ T331] RSP: 002b:00007f8aa335fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 20.584005][ T331] RAX: ffffffffffffffda RBX: 00000000006dac78 RCX: 0000000000445c69 [ 20.591949][ T331] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 [ 20.599893][ T331] RBP: 00000000006dac70 R08: 000000000004ffe0 R09: 0000000000000000 [ 20.607838][ T331] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac7c [ 20.615781][ T331] R13: 00007ffe2aa5339f R14: 00007f8aa33609c0 R15: 20c49ba5e353f7cf [ 20.623747][ T331] Modules linked in: [ 20.627616][ T331] ---[ end trace 27fc65eaca74939c ]--- [ 20.633058][ T331] RIP: 0010:__list_add_valid+0x8a/0xc0 [ 20.638488][ T331] Code: 74 11 4d 39 f7 74 0c b0 01 5b 41 5c 41 5d 41 5e 41 5f c3 48 c7 c7 0e fb 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 d2 55 2e ff <0f> 0b 48 c7 c7 59 fa 98 84 4c 89 e6 4c 89 f1 31 c0 e8 bc 55 2e ff [ 20.658064][ T331] RSP: 0018:ffff8881cde17850 EFLAGS: 00010046 [ 20.664102][ T331] RAX: 0000000000000058 RBX: ffff8881cde94280 RCX: ef6f7f00f5390d00 [ 20.672046][ T331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 20.679989][ T331] RBP: ffff8881cde17970 R08: ffffffff812bef2e R09: ffffed103b705e00 [ 20.687943][ T331] R10: ffffed103b705e00 R11: 0000000000000000 R12: ffff8881cde4a2e8 [ 20.695909][ T331] R13: dffffc0000000000 R14: ffff8881cde94278 R15: ffff8881cde94278 [ 20.703865][ T331] FS: 00007f8aa3360700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 [ 20.712777][ T331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.719354][ T331] CR2: 00007f8aa335fe78 CR3: 00000001ce836003 CR4: 00000000001606f0 [ 20.727311][ T331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.736735][ T331] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.744683][ T331] Kernel panic - not syncing: Fatal exception [ 20.751388][ T331] Kernel Offset: disabled [ 20.755690][ T331] Rebooting in 86400 seconds..