Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] 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 (11s / 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)[ ***] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ 22.316566][ T22] audit: type=1400 audit(1622101212.786:8): avc: denied { execmem } for pid=334 comm="syz-executor436" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 22.344399][ C0] hrtimer: interrupt took 89015 ns executing program executing program [ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ 22.498147][ T375] kasan: CONFIG_KASAN_INLINE enabled [ 22.503471][ T375] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 22.511760][ T375] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 22.519036][ T375] CPU: 1 PID: 375 Comm: syz-executor436 Not tainted 5.4.121-syzkaller-00751-g1d3dcc209600 #0 [ 22.529320][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.539470][ T375] RIP: 0010:hrtimer_try_to_cancel+0x7f/0xd20 [ 22.545424][ T375] Code: 4c 89 fd 48 8b 5c 24 10 48 8b 44 24 38 80 3c 28 00 74 08 48 89 df e8 40 c5 3d 00 4c 8b 23 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 8a 44 2d 00 84 c0 0f 85 c4 00 00 00 41 8b 1e 89 de 83 e6 01 31 [ 22.565617][ T375] RSP: 0018:ffff8881e5247750 EFLAGS: 00010002 [ 22.571658][ T375] RAX: 1ffff1103ca2ed57 RBX: ffff8881e5176ab8 RCX: 1ffff1103ca2ed58 [ 22.579616][ T375] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881e5176a88 [ 22.587568][ T375] RBP: dffffc0000000000 R08: ffffffff822c0670 R09: 000000000000000d [ 22.595516][ T375] R10: ffffffff84800000 R11: 0000000000000000 R12: 0000000000000000 [ 22.603552][ T375] R13: 0000000000000002 R14: 0000000000000010 R15: dffffc0000000000 [ 22.611709][ T375] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.620705][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.627431][ T375] CR2: 00007ffc89792048 CR3: 00000001e5ec9000 CR4: 00000000001406e0 [ 22.635377][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.643338][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.651329][ T375] Call Trace: [ 22.654599][ T375] ? io_ring_ctx_wait_and_kill+0x75e/0x14a0 [ 22.660479][ T375] io_ring_ctx_wait_and_kill+0x288/0x14a0 [ 22.666270][ T375] ? io_uring_fasync+0x60/0x60 [ 22.671006][ T375] ? lockref_get_or_lock+0x330/0x330 [ 22.676263][ T375] io_uring_release+0x57/0x70 [ 22.680909][ T375] ? io_uring_flush+0x2d0/0x2d0 [ 22.685731][ T375] __fput+0x27d/0x6c0 [ 22.689685][ T375] task_work_run+0x186/0x1b0 [ 22.694247][ T375] do_exit+0xcb9/0x2bf0 [ 22.698476][ T375] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.703840][ T375] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.708919][ T375] ? _raw_spin_lock_irqsave+0x210/0x210 [ 22.714441][ T375] do_group_exit+0x15c/0x2c0 [ 22.719005][ T375] get_signal+0x164f/0x1fc0 [ 22.723481][ T375] ? ptrace_notify+0x340/0x340 [ 22.728215][ T375] ? check_preemption_disabled+0x154/0x330 [ 22.734007][ T375] do_signal+0x8d/0x610 [ 22.738131][ T375] ? signal_fault+0x1e0/0x1e0 [ 22.742777][ T375] ? __x64_sys_futex+0x1d/0xf0 [ 22.747527][ T375] prepare_exit_to_usermode+0x207/0x310 [ 22.753057][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.758918][ T375] RIP: 0033:0x445a09 [ 22.762783][ T375] 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 [ 22.782698][ T375] RSP: 002b:00007f0f07ca0308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 22.791126][ T375] RAX: fffffffffffffe00 RBX: 00000000004ca418 RCX: 0000000000445a09 [ 22.799069][ T375] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004ca418 [ 22.807114][ T375] RBP: 00000000004ca410 R08: 0000000000000000 R09: 0000000000000000 [ 22.815093][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 2f30656c69662f2e [ 22.823050][ T375] R13: 00007ffc89791fef R14: 00007f0f07ca0400 R15: 0000000000022000 [ 22.830994][ T375] Modules linked in: [ 22.834956][ T375] ---[ end trace d9b6d496097575d8 ]--- [ 22.840408][ T375] RIP: 0010:hrtimer_try_to_cancel+0x7f/0xd20 [ 22.846379][ T375] Code: 4c 89 fd 48 8b 5c 24 10 48 8b 44 24 38 80 3c 28 00 74 08 48 89 df e8 40 c5 3d 00 4c 8b 23 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 8a 44 2d 00 84 c0 0f 85 c4 00 00 00 41 8b 1e 89 de 83 e6 01 31 [ 22.865971][ T375] RSP: 0018:ffff8881e5247750 EFLAGS: 00010002 [ 22.872011][ T375] RAX: 1ffff1103ca2ed57 RBX: ffff8881e5176ab8 RCX: 1ffff1103ca2ed58 [ 22.880057][ T375] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881e5176a88 [ 22.888012][ T375] RBP: dffffc0000000000 R08: ffffffff822c0670 R09: 000000000000000d [ 22.895954][ T375] R10: ffffffff84800000 R11: 0000000000000000 R12: 0000000000000000 [ 22.904000][ T375] R13: 0000000000000002 R14: 0000000000000010 R15: dffffc0000000000 [ 22.911964][ T375] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.920964][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.927537][ T375] CR2: 00007ffc89792048 CR3: 00000001e5ec9000 CR4: 00000000001406e0 [ 22.935483][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.943428][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.951370][ T375] Kernel panic - not syncing: Fatal exception [ 24.055972][ T375] Shutting down cpus with NMI [ 24.061781][ T375] Kernel Offset: disabled [ 24.066090][ T375] Rebooting in 86400 seconds..