Starting OpenBSD Secure Shell server... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty4. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.213' (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 (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)[ *** ] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ 19.981620][ T22] audit: type=1400 audit(1608130055.923:8): avc: denied { execmem } for pid=357 comm="syz-executor544" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.075267][ T358] BUG: unable to handle page fault for address: ffffed105da1d7ff [ 20.083343][ T358] #PF: supervisor read access in kernel mode [ 20.089428][ T358] #PF: error_code(0x0000) - not-present page [ 20.095831][ T358] PGD 23fff7067 P4D 23fff7067 PUD 23fff5067 PMD 0 [ 20.102385][ T358] Oops: 0000 [#1] PREEMPT SMP KASAN [ 20.107563][ T358] CPU: 0 PID: 358 Comm: syz-executor544 Not tainted 5.4.84-syzkaller-00149-g3f2fbc0cdc98 #0 [ 20.117595][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.127637][ T358] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.133510][ T358] 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 [ 20.153376][ T358] RSP: 0018:ffff8881e8e5f7e0 EFLAGS: 00010a07 [ 20.159424][ T358] RAX: 1ffff1105da1d7ff RBX: ffff8882ed0ebfff RCX: dffffc0000000000 [ 20.167640][ T358] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881de1bfd50 [ 20.175786][ T358] RBP: ffff8881e8e5fb30 R08: ffffffff81dc5ee3 R09: fffff94000ee97cf [ 20.183747][ T358] R10: fffff94000ee97cf R11: 0000000000000000 R12: dffffc0000000000 [ 20.192182][ T358] R13: 0000000000000010 R14: ffff8881ed0ec000 R15: ffff8881e9a1b60c [ 20.200229][ T358] FS: 00007f672ec60700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 20.209254][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.215822][ T358] CR2: ffffed105da1d7ff CR3: 00000001ea655000 CR4: 00000000001406f0 [ 20.224612][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.232700][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.241241][ T358] Call Trace: [ 20.244520][ T358] ? fuse_copy_page+0x2170/0x2170 [ 20.249863][ T358] ? queue_interrupt+0x310/0x310 [ 20.254778][ T358] ? debug_smp_processor_id+0x20/0x20 [ 20.260162][ T358] ? do_futex+0x107f/0x3b10 [ 20.264736][ T358] ? __kernel_text_address+0x93/0x110 [ 20.270086][ T358] ? free_pcp_prepare+0x280/0x280 [ 20.275091][ T358] ? unwind_get_return_address+0x48/0x90 [ 20.280819][ T358] ? arch_stack_walk+0xf8/0x140 [ 20.285682][ T358] ? preempt_count_add+0x66/0x150 [ 20.290683][ T358] ? prep_new_page+0x132/0x380 [ 20.295546][ T358] ? check_preemption_disabled+0x9e/0x330 [ 20.301328][ T358] ? futex_exit_release+0xc0/0xc0 [ 20.306366][ T358] ? init_wait_entry+0xd0/0xd0 [ 20.311114][ T358] ? check_preemption_disabled+0x9e/0x330 [ 20.316852][ T358] fuse_dev_write+0x16e/0x1f0 [ 20.321507][ T358] ? memcg_check_events+0x5c/0x5b0 [ 20.326612][ T358] ? fuse_dev_read+0x230/0x230 [ 20.331622][ T358] ? check_preemption_disabled+0x9e/0x330 [ 20.337325][ T358] ? mem_cgroup_try_charge_delay+0x10/0x10 [ 20.343518][ T358] ? __mod_node_page_state+0x81/0xd0 [ 20.348974][ T358] ? iov_iter_init+0x83/0x160 [ 20.353630][ T358] __vfs_write+0x59c/0x720 [ 20.358149][ T358] ? __kernel_write+0x340/0x340 [ 20.363242][ T358] ? avc_policy_seqno+0x17/0x70 [ 20.368076][ T358] ? security_file_permission+0x128/0x300 [ 20.373773][ T358] vfs_write+0x217/0x4f0 [ 20.377997][ T358] ksys_write+0x186/0x2b0 [ 20.382370][ T358] ? __ia32_sys_read+0x80/0x80 [ 20.387120][ T358] do_syscall_64+0xcb/0x150 [ 20.391816][ T358] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.397688][ T358] RIP: 0033:0x445f39 [ 20.401604][ T358] 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 [ 20.421427][ T358] RSP: 002b:00007f672ec5fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 20.429995][ T358] RAX: ffffffffffffffda RBX: 00000000006ddc48 RCX: 0000000000445f39 [ 20.438254][ T358] RDX: 0000000000000010 RSI: 00000000200020c0 RDI: 0000000000000003 [ 20.446285][ T358] RBP: 00000000006ddc40 R08: 0000000000000000 R09: 0000000000000000 [ 20.454251][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc4c [ 20.462205][ T358] R13: 0000000020000000 R14: 00000000004ae578 R15: 0000000000000003 [ 20.470236][ T358] Modules linked in: [ 20.474112][ T358] CR2: ffffed105da1d7ff [ 20.478243][ T358] ---[ end trace fa402644bfe8eeb6 ]--- [ 20.483683][ T358] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.489556][ T358] 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 [ 20.509209][ T358] RSP: 0018:ffff8881e8e5f7e0 EFLAGS: 00010a07 [ 20.515253][ T358] RAX: 1ffff1105da1d7ff RBX: ffff8882ed0ebfff RCX: dffffc0000000000 [ 20.523213][ T358] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881de1bfd50 [ 20.531169][ T358] RBP: ffff8881e8e5fb30 R08: ffffffff81dc5ee3 R09: fffff94000ee97cf [ 20.539420][ T358] R10: fffff94000ee97cf R11: 0000000000000000 R12: dffffc0000000000 [ 20.547692][ T358] R13: 0000000000000010 R14: ffff8881ed0ec000 R15: ffff8881e9a1b60c [ 20.555772][ T358] FS: 00007f672ec60700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 20.564810][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.571381][ T358] CR2: ffffed105da1d7ff CR3: 00000001ea655000 CR4: 00000000001406f0 [ 20.579334][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.587291][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.595324][ T358] Kernel panic - not syncing: Fatal exception [ 20.602439][ T358] Kernel Offset: disabled [ 20.607030][ T358] Rebooting in 86400 seconds..