Starting Permit User Sessions... Starting OpenBSD Secure Shell server... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty6. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.196' (ECDSA) to the list of known hosts. [* ] 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 (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)[ 19.943976][ T22] audit: type=1400 audit(1608032495.570:8): avc: denied { execmem } for pid=365 comm="syz-executor858" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.043685][ T366] BUG: unable to handle page fault for address: ffffed105bf829ff [ 20.051425][ T366] #PF: supervisor read access in kernel mode [ 20.057387][ T366] #PF: error_code(0x0000) - not-present page [ 20.063350][ T366] PGD 23fff7067 P4D 23fff7067 PUD 23fff5067 PMD 0 [ 20.069838][ T366] Oops: 0000 [#1] PREEMPT SMP KASAN [ 20.075010][ T366] CPU: 1 PID: 366 Comm: syz-executor858 Not tainted 5.4.83-syzkaller-00110-g30fc30201c19 #0 [ 20.085048][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.095101][ T366] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.100966][ T366] Code: 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 8a 04 20 84 c0 0f 85 e5 1c 00 00 8b 1b ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 e8 1c 00 00 c6 03 00 48 8b 84 24 88 00 00 [ 20.120640][ T366] RSP: 0018:ffff8881e92e77e0 EFLAGS: 00010a07 [ 20.126676][ T366] RAX: 1ffff1105bf829ff RBX: ffff8882dfc14fff RCX: dffffc0000000000 [ 20.134763][ T366] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e935fd50 [ 20.134768][ T366] RBP: ffff8881e92e7b30 R08: ffffffff81dc5f03 R09: fffff94000f5f817 [ 20.134772][ T[K[ *366] *10: fffff940;31m*] A st000f5art job is runnif817 R11: 0ng for dev-ttyS000000000000.device (13s / 10000 R12: min 30s)dffffc0000000000 [ 20.134786][ T366] R13: 0000000000000010 R14: ffff8881dfc15000 R15: ffff8881ec5d5f0c [ 20.175661][ T366] FS: 00007fe2da069700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.184586][ T366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.191161][ T366] CR2: ffffed105bf829ff CR3: 00000001dfd72000 CR4: 00000000001406e0 [ 20.199137][ T366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.207128][ T366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.215088][ T366] Call Trace: [ 20.218376][ T366] ? fuse_copy_page+0x2170/0x2170 [ 20.223378][ T366] ? queue_interrupt+0x310/0x310 [ 20.228293][ T366] ? debug_smp_processor_id+0x20/0x20 [ 20.233642][ T366] ? do_futex+0x107f/0x3b10 [ 20.238129][ T366] ? free_pcp_prepare+0x280/0x280 [ 20.243156][ T366] ? preempt_count_add+0x66/0x150 [ 20.248150][ T366] ? prep_new_page+0x132/0x380 [ 20.252883][ T366] ? check_preemption_disabled+0x9e/0x330 [ 20.258672][ T366] ? futex_exit_release+0xc0/0xc0 [ 20.263669][ T366] ? init_wait_entry+0xd0/0xd0 [ 20.268418][ T366] ? check_preemption_disabled+0x9e/0x330 [ 20.274110][ T366] fuse_dev_write+0x16e/0x1f0 [ 20.278766][ T366] ? memcg_check_events+0x5c/0x5b0 [ 20.283851][ T366] ? fuse_dev_read+0x230/0x230 [ 20.288599][ T366] ? check_preemption_disabled+0x9e/0x330 [ 20.294291][ T366] ? mem_cgroup_try_charge_delay+0x10/0x10 [ 20.300075][ T366] ? __mod_node_page_state+0x81/0xd0 [ 20.305336][ T366] ? iov_iter_init+0x83/0x160 [ 20.309984][ T366] __vfs_write+0x59c/0x720 [ 20.314469][ T366] ? __kernel_write+0x340/0x340 [ 20.319304][ T366] ? avc_policy_seqno+0x17/0x70 [ 20.324141][ T366] ? security_file_permission+0x128/0x300 [ 20.329839][ T366] vfs_write+0x217/0x4f0 [ 20.334052][ T366] ksys_write+0x186/0x2b0 [ 20.338361][ T366] ? __ia32_sys_read+0x80/0x80 [ 20.343096][ T366] do_syscall_64+0xcb/0x150 [ 20.347572][ T366] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.353451][ T366] RIP: 0033:0x445f29 [ 20.357315][ T366] Code: e8 fc b8 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 0b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 20.376892][ T366] RSP: 002b:00007fe2da068d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 20.385293][ T366] RAX: ffffffffffffffda RBX: 00000000006ddc48 RCX: 0000000000445f29 [ 20.393237][ T366] RDX: 0000000000000010 RSI: 00000000200022c0 RDI: 0000000000000003 [ 20.401181][ T366] RBP: 00000000006ddc40 R08: 0000000000000000 R09: 0000000000000000 [ 20.409125][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc4c [ 20.417069][ T366] R13: 0000000020000000 R14: 00000000004ae560 R15: 0000000000000003 [ 20.425016][ T366] Modules linked in: [ 20.428900][ T366] CR2: ffffed105bf829ff [ 20.433024][ T366] ---[ end trace e8297fc1c765ae6b ]--- [ 20.438464][ T366] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.444340][ T366] Code: 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 8a 04 20 84 c0 0f 85 e5 1c 00 00 8b 1b ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 e8 1c 00 00 c6 03 00 48 8b 84 24 88 00 00 [ 20.463934][ T366] RSP: 0018:ffff8881e92e77e0 EFLAGS: 00010a07 [ 20.471367][ T366] RAX: 1ffff1105bf829ff RBX: ffff8882dfc14fff RCX: dffffc0000000000 [ 20.479307][ T366] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e935fd50 [ 20.487249][ T366] RBP: ffff8881e92e7b30 R08: ffffffff81dc5f03 R09: fffff94000f5f817 [ 20.495202][ T366] R10: fffff94000f5f817 R11: 0000000000000000 R12: dffffc0000000000 [ 20.503164][ T366] R13: 0000000000000010 R14: ffff8881dfc15000 R15: ffff8881ec5d5f0c [ 20.511126][ T366] FS: 00007fe2da069700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.520038][ T366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.526596][ T366] CR2: ffffed105bf829ff CR3: 00000001dfd72000 CR4: 00000000001406e0 [ 20.534539][ T366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.542480][ T366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.550434][ T366] Kernel panic - not syncing: Fatal exception [ 20.556997][ T366] Kernel Offset: disabled [ 20.561345][ T366] Rebooting in 86400 seconds..