[ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty6. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. 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 (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)[ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ 21.730379][ T22] audit: type=1400 audit(1608132480.320:8): avc: denied { execmem } for pid=373 comm="syz-executor028" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 21.828687][ T374] BUG: unable to handle page fault for address: ffffed105c12a1ff [ 21.836413][ T374] #PF: supervisor read access in kernel mode [ 21.842361][ T374] #PF: error_code(0x0000) - not-present page [ 21.848306][ T374] PGD 23fff7067 P4D 23fff7067 PUD 23fff5067 PMD 0 [ 21.854776][ T374] Oops: 0000 [#1] PREEMPT SMP KASAN [ 21.859952][ T374] CPU: 0 PID: 374 Comm: syz-executor028 Not tainted 5.4.84-syzkaller-00149-g3f2fbc0cdc98 #0 [ 21.869984][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.880021][ T374] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 21.885881][ T374] 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 [ 21.905460][ T374] RSP: 0018:ffff8881e853f7e0 EFLAGS: 00010a07 [ 21.911495][ T374] RAX: 1ffff1105c12a1ff RBX: ffff8882e0950fff RCX: dffffc0000000000 [ 21.919437][ T374] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e86dfd50 [ 21.927395][ T374] RBP: ffff8881e853fb30 R08: ffffffff81dc5ee3 R09: fffff94000efcac7 [ 21.935335][ T374] R10: fffff94000efcac7 R11: 0000000000000000 R12: dffffc0000000000 [ 21.943276][ T374] R13: 0000000000000010 R14: ffff8881e0951000 R15: ffff8881e9efb68c [ 21.951337][ T374] FS: 00007f2c36e4e700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 21.960258][ T374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.966811][ T374] CR2: ffffed105c12a1ff CR3: 00000001dea10000 CR4: 00000000001406f0 [ 21.974753][ T374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.982694][ T374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.990633][ T374] Call Trace: [ 21.993896][ T374] ? fuse_copy_page+0x2170/0x2170 [ 21.998895][ T374] ? queue_interrupt+0x310/0x310 [ 22.003804][ T374] ? debug_smp_processor_id+0x20/0x20 [ 22.009150][ T374] ? do_futex+0x107f/0x3b10 [ 22.013618][ T374] ? __kernel_text_address+0x93/0x110 [ 22.018965][ T374] ? free_pcp_prepare+0x280/0x280 [ 22.023961][ T374] ? unwind_get_return_address+0x48/0x90 [ 22.029563][ T374] ? arch_stack_walk+0xf8/0x140 [ 22.034381][ T374] ? preempt_count_add+0x66/0x150 [ 22.039368][ T374] ? prep_new_page+0x132/0x380 [ 22.044095][ T374] ? check_preemption_disabled+0x9e/0x330 [ 22.049789][ T374] ? futex_exit_release+0xc0/0xc0 [ 22.054778][ T374] ? init_wait_entry+0xd0/0xd0 [ 22.059504][ T374] ? check_preemption_disabled+0x9e/0x330 [ 22.065188][ T374] fuse_dev_write+0x16e/0x1f0 [ 22.069830][ T374] ? memcg_check_events+0x5c/0x5b0 [ 22.074911][ T374] ? fuse_dev_read+0x230/0x230 [ 22.079640][ T374] ? check_preemption_disabled+0x9e/0x330 [ 22.085411][ T374] ? mem_cgroup_try_charge_delay+0x10/0x10 [ 22.091179][ T374] ? __mod_node_page_state+0x81/0xd0 [ 22.096428][ T374] ? iov_iter_init+0x83/0x160 [ 22.101070][ T374] __vfs_write+0x59c/0x720 [ 22.105451][ T374] ? __kernel_write+0x340/0x340 [ 22.110267][ T374] ? avc_policy_seqno+0x17/0x70 [ 22.115080][ T374] ? security_file_permission+0x128/0x300 [ 22.120764][ T374] vfs_write+0x217/0x4f0 [ 22.124994][ T374] ksys_write+0x186/0x2b0 [ 22.125004][ T374] ? __ia32_sys_read+0x80/0x80 [ 22.125016][ T374] do_syscall_64+0xcb/0x150 [ 22.138526][ T374] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.144384][ T374] RIP: 0033:0x445f39 [ 22.148244][ T374] 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 [ 22.167812][ T374] RSP: 002b:00007f2c36e4dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 22.176185][ T374] RAX: ffffffffffffffda RBX: 00000000006ddc48 RCX: 0000000000445f39 [ 22.184121][ T374] RDX: 0000000000000010 RSI: 00000000200020c0 RDI: 0000000000000003 [ 22.192069][ T374] RBP: 00000000006ddc40 R08: 0000000000000000 R09: 0000000000000000 [ 22.200017][ T374] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc4c [ 22.207953][ T374] R13: 0000000020000000 R14: 00000000004ae578 R15: 0000000000000003 [ 22.215890][ T374] Modules linked in: [ 22.219751][ T374] CR2: ffffed105c12a1ff [ 22.223869][ T374] ---[ end trace 059525f8420a308d ]--- [ 22.229294][ T374] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 22.235163][ T374] 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 [ 22.254729][ T374] RSP: 0018:ffff8881e853f7e0 EFLAGS: 00010a07 [ 22.260766][ T374] RAX: 1ffff1105c12a1ff RBX: ffff8882e0950fff RCX: dffffc0000000000 [ 22.268721][ T374] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e86dfd50 [ 22.276659][ T374] RBP: ffff8881e853fb30 R08: ffffffff81dc5ee3 R09: fffff94000efcac7 [ 22.284604][ T374] R10: fffff94000efcac7 R11: 0000000000000000 R12: dffffc0000000000 [ 22.292541][ T374] R13: 0000000000000010 R14: ffff8881e0951000 R15: ffff8881e9efb68c [ 22.300481][ T374] FS: 00007f2c36e4e700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 22.309383][ T374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.315933][ T374] CR2: ffffed105c12a1ff CR3: 00000001dea10000 CR4: 00000000001406f0 [ 22.323874][ T374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.331814][ T374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.339750][ T374] Kernel panic - not syncing: Fatal exception [ 22.346482][ T374] Kernel Offset: disabled [ 22.350798][ T374] Rebooting in 86400 seconds..