[ OK ] Started Getty on tty6. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.33' (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 (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)[ 22.097016][ T22] audit: type=1400 audit(1618060422.586:8): avc: denied { execmem } for pid=340 comm="syz-executor981" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 22.097259][ T340] FAULT_INJECTION: forcing a failure. [ 22.097259][ T340] name failslab, interval 1, probability 0, space 0, times 1 [ 22.130131][ T340] CPU: 0 PID: 340 Comm: syz-executor981 Not tainted 5.4.110-syzkaller-00108-g2c6775a89bc1 #0 [ 22.140259][ T340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.150294][ T340] Call Trace: [ 22.153568][ T340] dump_stack+0x1d8/0x24e [ 22.157870][ T340] ? devkmsg_release+0x11c/0x11c [ 22.162791][ T340] ? show_regs_print_info+0x12/0x12 [ 22.167968][ T340] should_fail+0x6f6/0x860 [ 22.172364][ T340] ? setup_fault_attr+0x3d0/0x3d0 [ 22.177359][ T340] ? security_file_alloc+0x32/0x1f0 [ 22.182524][ T340] should_failslab+0x5/0x20 [ 22.187006][ T340] kmem_cache_alloc+0x36/0x290 [ 22.191738][ T340] security_file_alloc+0x32/0x1f0 [ 22.196742][ T340] __alloc_file+0xba/0x380 [ 22.201136][ T340] alloc_empty_file+0xa9/0x1b0 [ 22.205874][ T340] path_openat+0x125/0x3da0 [ 22.210363][ T340] ? arch_stack_walk+0xf8/0x140 [ 22.215216][ T340] ? stack_trace_snprint+0x150/0x150 [ 22.220474][ T340] ? refcount_inc_not_zero_checked+0x1a1/0x280 [ 22.226609][ T340] ? do_filp_open+0x450/0x450 [ 22.231266][ T340] ? __kasan_kmalloc+0x137/0x1e0 [ 22.236170][ T340] ? kmem_cache_alloc+0x115/0x290 [ 22.241162][ T340] ? getname_flags+0xba/0x640 [ 22.245819][ T340] ? do_sys_open+0x33e/0x7c0 [ 22.250378][ T340] ? do_syscall_64+0xcb/0x1e0 [ 22.255022][ T340] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.261059][ T340] do_filp_open+0x208/0x450 [ 22.265534][ T340] ? vfs_tmpfile+0x210/0x210 [ 22.270096][ T340] ? _raw_spin_unlock+0x49/0x60 [ 22.274928][ T340] ? __alloc_fd+0x4f1/0x590 [ 22.279401][ T340] do_sys_open+0x383/0x7c0 [ 22.283798][ T340] ? check_preemption_disabled+0x154/0x330 [ 22.289621][ T340] ? file_open_root+0x450/0x450 [ 22.294445][ T340] ? __fput+0x4fa/0x6c0 [ 22.298572][ T340] do_syscall_64+0xcb/0x1e0 [ 22.303217][ T340] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.309082][ T340] RIP: 0033:0x402df7 [ 22.312946][ T340] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 22.332561][ T340] RSP: 002b:00007ffd0f9ed850 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 executing program [ 22.340942][ T340] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000402df7 [ 22.348924][ T340] RDX: 0000000000080001 RSI: 000000000048a338 RDI: 00000000ffffff9c [ 22.356866][ T340] RBP: 000000000048a338 R08: 0000000000000000 R09: 00007ffd0f9ed840 [ 22.365788][ T340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080001 [ 22.373752][ T340] R13: 0000000000000000 R14: 00000000004b6018 R15: 00000000004004a0 [ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[ 22.413608][ T342] FAULT_INJECTION: forcing a failure. [ 22.413608][ T342] name failslab, interval 1, probability 0, space 0, times 0 [ 22.426417][ T342] CPU: 0 PID: 342 Comm: syz-executor981 Not tainted 5.4.110-syzkaller-00108-g2c6775a89bc1 #0 [ 22.436565][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.446622][ T342] Call Trace: [ 22.449902][ T342] dump_stack+0x1d8/0x24e [ 22.454213][ T342] ? devkmsg_release+0x11c/0x11c [ 22.459120][ T342] ? __find_get_block+0xd13/0x10c0 [ 22.464199][ T342] ? show_regs_print_info+0x12/0x12 [ 22.469364][ T342] ? unwind_get_return_address+0x48/0x80 [ 22.474964][ T342] should_fail+0x6f6/0x860 [ 22.479351][ T342] ? setup_fault_attr+0x3d0/0x3d0 [ 22.484342][ T342] ? ebitmap_cmp+0x1b8/0x220 [ 22.488910][ T342] ? mls_compute_context_len+0x7dd/0x810 [ 22.494509][ T342] ? context_struct_to_string+0x43b/0x8b0 [ 22.500195][ T342] should_failslab+0x5/0x20 [ 22.504665][ T342] __kmalloc+0x5f/0x2f0 [ 22.508788][ T342] context_struct_to_string+0x43b/0x8b0 [ 22.514301][ T342] ? security_bounded_transition+0x560/0x560 [ 22.520245][ T342] ? symhash+0xe0/0xe0 [ 22.524367][ T342] ? hashtab_search+0x1bf/0x200 [ 22.529189][ T342] context_add_hash+0x13f/0x270 [ 22.534010][ T342] ? security_sid_to_context_inval+0x40/0x40 [ 22.540050][ T342] ? mls_context_isvalid+0x98/0x380 [ 22.545215][ T342] ? policydb_context_isvalid+0x1b6/0x400 [ 22.550913][ T342] security_compute_sid+0x1142/0x1d00 [ 22.556252][ T342] ? __rcu_read_lock+0x50/0x50 [ 22.560995][ T342] ? security_transition_sid+0x90/0x90 [ 22.566440][ T342] ? avc_denied+0x1c0/0x1c0 [ 22.570926][ T342] ? avc_has_perm_noaudit+0x400/0x400 [ 22.576274][ T342] ? avc_has_perm_noaudit+0x30c/0x400 [ 22.581625][ T342] security_transition_sid+0x78/0x90 [ 22.586879][ T342] may_create+0x62b/0x960 [ 22.591177][ T342] ? show_sid+0x250/0x250 [ 22.595482][ T342] ? selinux_inode_permission+0x445/0x690 [ 22.601168][ T342] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 22.606943][ T342] ? from_kgid+0x206/0x350 [ 22.611333][ T342] ? make_kgid+0x390/0x390 [ 22.615721][ T342] ? generic_permission+0x13a/0x490 [ 22.620899][ T342] security_inode_mkdir+0x96/0x120 [ 22.625977][ T342] vfs_mkdir+0x34a/0x5f0 [ 22.630191][ T342] open_or_create_special_dir+0xba/0x150 [ 22.635791][ T342] incfs_mount_fs+0x3f7/0x850 [ 22.640436][ T342] ? incfs_unlink+0x80/0x80 [ 22.644917][ T342] ? vfs_parse_fs_param+0x2cb/0x430 [ 22.650083][ T342] ? vfs_parse_fs_string+0x1e9/0x290 [ 22.655351][ T342] ? cap_capable+0x23f/0x280 [ 22.659907][ T342] legacy_get_tree+0xde/0x170 [ 22.664551][ T342] ? incfs_unlink+0x80/0x80 [ 22.669024][ T342] vfs_get_tree+0x83/0x260 [ 22.673419][ T342] do_mount+0x19d0/0x2670 [ 22.677715][ T342] ? copy_mount_string+0x30/0x30 [ 22.682621][ T342] ? _copy_from_user+0xa4/0xe0 [ 22.687350][ T342] ? copy_mount_options+0xc9/0x300 [ 22.692440][ T342] ? ksys_mount+0x8f/0xf0 [ 22.696736][ T342] ksys_mount+0xc2/0xf0 [ 22.700861][ T342] __x64_sys_mount+0xb1/0xc0 [ 22.705417][ T342] do_syscall_64+0xcb/0x1e0 [ 22.709889][ T342] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.715747][ T342] RIP: 0033:0x444f29 [ 22.719610][ T342] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.739196][ T342] RSP: 002b:00007ffd0f9eddc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 22.747589][ T342] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444f29 [ 22.755534][ T342] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200000c0 [ 22.763483][ T342] RBP: 0000000000000004 R08: 0000000000000000 R09: bb1414ac0f9eddf7 [ 22.771429][ T342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 22.779379][ T342] R13: 00007ffd0f9edde0 R14: 00007ffd0f9eddd8 R15: 00007ffd0f9eddd4 [ 22.788094][ T342] incfs: Can't find or create .index dir in ./file0 [ 22.858544][ T342] BUG: Dentry ffff8881efecf110{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 22.868252][ T342] ------------[ cut here ]------------ [ 22.874312][ T342] WARNING: CPU: 0 PID: 342 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.882597][ T342] Modules linked in: [ 22.886464][ T342] CPU: 0 PID: 342 Comm: syz-executor981 Not tainted 5.4.110-syzkaller-00108-g2c6775a89bc1 #0 [ 22.896574][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.906609][ T342] RIP: 0010:umount_check+0x179/0x1c0 [ 22.911866][ T342] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 f0 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 f4 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 22.931459][ T342] RSP: 0018:ffff8881e9667a58 EFLAGS: 00010282 [ 22.937513][ T342] RAX: 0000000000000054 RBX: ffffffff85fc4fa0 RCX: 156e5269895e7600 [ 22.945453][ T342] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 22.953395][ T342] RBP: ffff8881e95b6420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 22.961333][ T342] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 22.969273][ T342] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efecf110 [ 22.977215][ T342] FS: 0000000001886300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.986109][ T342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.992670][ T342] CR2: 00000000004bb218 CR3: 00000001e1e66000 CR4: 00000000001406f0 [ 23.000619][ T342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.008611][ T342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.016561][ T342] Call Trace: [ 23.019827][ T342] d_walk+0x2d9/0x540 [ 23.023793][ T342] ? __d_free+0x20/0x20 [ 23.023802][ T342] shrink_dcache_for_umount+0x8a/0x1a0 [ 23.023812][ T342] generic_shutdown_super+0x63/0x2a0 [ 23.023826][ T342] kill_block_super+0x79/0xd0 [ 23.043318][ T342] deactivate_locked_super+0xaf/0x100 [ 23.048709][ T342] deactivate_super+0x1b3/0x270 [ 23.053572][ T342] ? deactivate_locked_super+0x100/0x100 [ 23.059521][ T342] ? dput+0x4de/0x5d0 [ 23.063520][ T342] ? _raw_spin_lock_irq+0xa4/0x1b0 [[ 23.068625][ T342] ? find_next_bit+0xc6/0x110 [ 23.073362][ T342] cleanup_mnt+0x432/0x4e0 [ 23.077786][ T342] task_work_run+0x186/0x1b0 *[0;1;31[ 23.082378][ T342] do_exit+0xcb9/0x2bf0 [ 23.087905][ T342] ? mm_update_next_owner+0x5c0/0x5c0 m** [ 23.093272][ T342] ? __up_read+0x6f/0x1b0 [ 23.098963][ T342] ? __down_read+0x210/0x210 [ 23.103542][ T342] ? check_preemption_disabled+0x154/0x330 ] [ 23.109331][ T342] ? debug_smp_processor_id+0x20/0x20 [ 23.115288][ T342] do_group_exit+0x15c/0x2c0 [ 23.119880][ T342] ? do_user_addr_fault+0x6b0/0xb40 [ 23.125071][ T342] __do_sys_exit_group+0x13/0x20 [ 23.129994][ T342] __se_sys_exit_group+0x10/0x10 [ 23.134928][ T342] __x64_sys_exit_group+0x37/0x40 A start job is r[ 23.139939][ T342] do_syscall_64+0xcb/0x1e0 [ 23.145804][ T342] entry_SYSCALL_64_after_hwframe+0x44/0xa9 unning for dev-t[ 23.151689][ T342] RIP: 0033:0x443a59 tyS0.device (16s[ 23.156952][ T342] Code: Bad RIP value. [ 23.162384][ T342] RSP: 002b:00007ffd0f9edd78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.170795][ T342] RAX: ffffffffffffffda RBX: 00000000004b83b0 RCX: 0000000000443a59 / 1min 30s)[ 23.178751][ T342] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 23.187738][ T342] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: bb1414ac0f9eddf7 [ 23.195691][ T342] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b83b0 [ 23.203660][ T342] R13: 0000000000000001 R14: 0000000000000000 R15: 000