Warning: Permanently added '10.128.0.233' (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 (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 (13s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ 20.432933][ T22] audit: type=1400 audit(1608131290.217:8): avc: denied { execmem } for pid=359 comm="syz-executor261" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.526247][ T360] BUG: unable to handle page fault for address: ffffed105d2547ff [ 20.534048][ T360] #PF: supervisor read access in kernel mode [ 20.539982][ T360] #PF: error_code(0x0000) - not-present page [ 20.545919][ T360] PGD 23fff7067 P4D 23fff7067 PUD 23fff5067 PMD 0 [ 20.552383][ T360] Oops: 0000 [#1] PREEMPT SMP KASAN [ 20.557540][ T360] CPU: 1 PID: 360 Comm: syz-executor261 Not tainted 5.4.84-syzkaller-00149-g3f2fbc0cdc98 #0 [ 20.567559][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.577590][ T360] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.583620][ T360] 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 [ 20.603194][ T360] RSP: 0018:ffff8881e8fef7e0 EFLAGS: 00010a07 [ 20.609240][ T360] RAX: 1ffff1105d2547ff RBX: ffff8882e92a3fff RCX: dffffc0000000000 [ 20.617209][ T360] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e88e7d50 [ 20.625154][ T360] RBP: ffff8881e8fefb30 R08: ffffffff81dc5ee3 R09: fffff94000ef4eff [ 20.633087][ T360] R10: fffff94000ef4eff R11: 0000000000000000 R12: dffffc0000000000 [ 20.641021][ T360] R13: 0000000000000010 R14: ffff8881e92a4000 R15: ffff8881e8e0428c [ 20.648959][ T360] FS: 00007f0ec5fa8700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.657849][ T360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.664396][ T360] CR2: ffffed105d2547ff CR3: 00000001e3dd0000 CR4: 00000000001406e0 [ 20.672333][ T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.680269][ T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.688204][ T360] Call Trace: [ 20.691496][ T360] ? fuse_copy_page+0x2170/0x2170 [ 20.696486][ T360] ? queue_interrupt+0x310/0x310 [ 20.701388][ T360] ? debug_smp_processor_id+0x20/0x20 [ 20.706720][ T360] ? do_futex+0x107f/0x3b10 [ 20.711185][ T360] ? __kernel_text_address+0x93/0x110 [ 20.716519][ T360] ? free_pcp_prepare+0x280/0x280 [ 20.721505][ T360] ? unwind_get_return_address+0x48/0x90 [ 20.727098][ T360] ? arch_stack_walk+0xf8/0x140 [ 20.731916][ T360] ? preempt_count_add+0x66/0x150 [ 20.736903][ T360] ? prep_new_page+0x132/0x380 [ 20.741628][ T360] ? check_preemption_disabled+0x9e/0x330 [ 20.747344][ T360] ? futex_exit_release+0xc0/0xc0 [ 20.752358][ T360] ? init_wait_entry+0xd0/0xd0 [ 20.757082][ T360] ? check_preemption_disabled+0x9e/0x330 [ 20.762762][ T360] fuse_dev_write+0x16e/0x1f0 [ 20.767402][ T360] ? memcg_check_events+0x5c/0x5b0 [ 20.772482][ T360] ? fuse_dev_read+0x230/0x230 [ 20.777207][ T360] ? check_preemption_disabled+0x9e/0x330 [ 20.782907][ T360] ? mem_cgroup_try_charge_delay+0x10/0x10 [ 20.788676][ T360] ? __mod_node_page_state+0x81/0xd0 [ 20.793926][ T360] ? iov_iter_init+0x83/0x160 [ 20.798604][ T360] __vfs_write+0x59c/0x720 [ 20.802983][ T360] ? __kernel_write+0x340/0x340 [ 20.807799][ T360] ? avc_policy_seqno+0x17/0x70 [ 20.812614][ T360] ? security_file_permission+0x128/0x300 [ 20.818405][ T360] vfs_write+0x217/0x4f0 [ 20.822611][ T360] ksys_write+0x186/0x2b0 [ 20.826909][ T360] ? __ia32_sys_read+0x80/0x80 [ 20.831771][ T360] do_syscall_64+0xcb/0x150 [ 20.836368][ T360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.842224][ T360] RIP: 0033:0x445f39 [ 20.846083][ T360] 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 [ 20.865670][ T360] RSP: 002b:00007f0ec5fa7d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 20.874040][ T360] RAX: ffffffffffffffda RBX: 00000000006ddc48 RCX: 0000000000445f39 [ 20.882117][ T360] RDX: 0000000000000010 RSI: 00000000200020c0 RDI: 0000000000000003 [ 20.890152][ T360] RBP: 00000000006ddc40 R08: 0000000000000000 R09: 0000000000000000 [ 20.898088][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc4c [ 20.906033][ T360] R13: 0000000020000000 R14: 00000000004ae578 R15: 0000000000000003 [ 20.913964][ T360] Modules linked in: [ 20.917821][ T360] CR2: ffffed105d2547ff [ 20.921945][ T360] ---[ end trace 2d56fb7d5be68015 ]--- [ 20.927364][ T360] RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 [ 20.933219][ T360] 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 [ 20.952784][ T360] RSP: 0018:ffff8881e8fef7e0 EFLAGS: 00010a07 [ 20.958817][ T360] RAX: 1ffff1105d2547ff RBX: ffff8882e92a3fff RCX: dffffc0000000000 [ 20.966749][ T360] RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e88e7d50 [ 20.974682][ T360] RBP: ffff8881e8fefb30 R08: ffffffff81dc5ee3 R09: fffff94000ef4eff [ 20.982612][ T360] R10: fffff94000ef4eff R11: 0000000000000000 R12: dffffc0000000000 [ 20.990552][ T360] R13: 0000000000000010 R14: ffff8881e92a4000 R15: ffff8881e8e0428c [ 20.998488][ T360] FS: 00007f0ec5fa8700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.007398][ T360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.013971][ T360] CR2: ffffed105d2547ff CR3: 00000001e3dd0000 CR4: 00000000001406e0 [ 21.021906][ T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.029859][ T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.037794][ T360] Kernel panic - not syncing: Fatal exception [ 21.044622][ T360] Kernel Offset: disabled [ 21.048922][ T360] Rebooting in 86400 seconds..