Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. executing program [ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (23s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (23s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[ 31.608950][ T22] audit: type=1400 audit(1625626567.561:8): avc: denied { execmem } for pid=333 comm="syz-executor145" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 31.634594][ T334] FAULT_INJECTION: forcing a failure. [ 31.634594][ T334] name failslab, interval 1, probability 0, space 0, times 1 [ 31.647217][ T334] CPU: 0 PID: 334 Comm: syz-executor145 Not tainted 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 31.657344][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.667391][ T334] Call Trace: [ 31.670651][ T334] dump_stack+0x1d8/0x24e [ 31.674945][ T334] ? devkmsg_release+0x11c/0x11c [ 31.679859][ T334] ? __find_get_block+0xd13/0x10c0 [ 31.685106][ T334] ? show_regs_print_info+0x12/0x12 [ 31.690268][ T334] ? unwind_get_return_address+0x48/0x80 [ 31.695883][ T334] should_fail+0x6f6/0x860 [ 31.700263][ T334] ? setup_fault_attr+0x3d0/0x3d0 [ 31.705341][ T334] ? ebitmap_cmp+0x1b8/0x220 [ 31.709897][ T334] ? mls_compute_context_len+0x7dd/0x810 [ 31.715493][ T334] ? context_struct_to_string+0x43b/0x8b0 [ 31.721173][ T334] should_failslab+0x5/0x20 [ 31.725640][ T334] __kmalloc+0x5f/0x2f0 [ 31.729764][ T334] context_struct_to_string+0x43b/0x8b0 [ 31.735885][ T334] ? security_bounded_transition+0x560/0x560 [ 31.741848][ T334] ? symhash+0xe0/0xe0 [ 31.745881][ T334] ? hashtab_search+0x1bf/0x200 [ 31.750710][ T334] context_add_hash+0x13f/0x270 [ 31.755532][ T334] ? security_sid_to_context_inval+0x40/0x40 [ 31.761495][ T334] ? mls_context_isvalid+0x98/0x380 [ 31.766660][ T334] ? policydb_context_isvalid+0x1b6/0x400 [ 31.772349][ T334] security_compute_sid+0x1142/0x1d00 [ 31.777687][ T334] ? __rcu_read_lock+0x50/0x50 [ 31.782415][ T334] ? security_transition_sid+0x90/0x90 [ 31.787839][ T334] ? avc_denied+0x1c0/0x1c0 [ 31.792313][ T334] ? avc_has_perm_noaudit+0x400/0x400 [ 31.797650][ T334] ? avc_has_perm_noaudit+0x30c/0x400 [ 31.803004][ T334] security_transition_sid+0x78/0x90 [ 31.808264][ T334] may_create+0x62b/0x960 [ 31.812561][ T334] ? show_sid+0x250/0x250 [ 31.816869][ T334] ? selinux_inode_permission+0x445/0x690 [ 31.822555][ T334] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 31.828325][ T334] ? from_kgid+0x206/0x350 [ 31.832725][ T334] ? make_kgid+0x390/0x390 [ 31.837119][ T334] ? generic_permission+0x13a/0x490 [ 31.842284][ T334] security_inode_mkdir+0x96/0x120 [ 31.847375][ T334] vfs_mkdir+0x34a/0x5f0 [ 31.851624][ T334] open_or_create_special_dir+0xba/0x150 [ 31.857223][ T334] incfs_mount_fs+0x3e9/0x840 [ 31.861866][ T334] ? incfs_unlink+0x80/0x80 [ 31.866334][ T334] ? vfs_parse_fs_param+0x2cb/0x430 [ 31.871498][ T334] ? vfs_parse_fs_string+0x1e9/0x290 [ 31.876760][ T334] ? cap_capable+0x23f/0x280 [ 31.881317][ T334] legacy_get_tree+0xde/0x170 [ 31.885959][ T334] ? incfs_unlink+0x80/0x80 [ 31.890426][ T334] vfs_get_tree+0x83/0x260 [ 31.894818][ T334] do_mount+0x19d0/0x2670 [ 31.899124][ T334] ? copy_mount_string+0x30/0x30 [ 31.904034][ T334] ? _copy_from_user+0xa4/0xe0 [ 31.908769][ T334] ? copy_mount_options+0xc9/0x300 [ 31.913862][ T334] ? ksys_mount+0x8f/0xf0 [ 31.918159][ T334] ksys_mount+0xc2/0xf0 [ 31.922293][ T334] __x64_sys_mount+0xb1/0xc0 [ 31.926851][ T334] do_syscall_64+0xcb/0x1e0 [ 31.931323][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.937191][ T334] RIP: 0033:0x444ea9 [ 31.941067][ T334] 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 [ 31.960636][ T334] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 31.969018][ T334] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 31.976960][ T334] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 31.984966][ T334] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 31.992924][ T334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 32.000867][ T334] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000000 [ 32.008890][ T334] incfs: Can't find or create .index dir in ./file0 [ 32.016598][ T333] BUG: Dentry ffff8881ecabddd0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 32.026288][ T333] ------------[ cut here ]------------ [ 32.026303][ T333] WARNING: CPU: 0 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 32.026304][ T333] Modules linked in: [ 32.026313][ T333] CPU: 0 PID: 333 Comm: syz-executor145 Not tainted 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 32.026317][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.026325][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 32.026331][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 32.026339][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 32.026351][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 32.026358][ T333] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [[ 32.026364][ T333] RBP: ffff8881f38c7420 R08: ffffffff814e90a7 R09: ffffed103edc9608 [ 32.026371][ T333] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 32.026378][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecabddd0 [ 32.026386][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.026393][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 * [ 32.026400][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406f0 [ 32.026407][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.026414][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.026419][ T333] Call Trace: [ 32.026428][ T333] d_walk+0x2d9/0x540 ] [ 32.026437][ T333] ? __d_free+0x20/0x20 [ 32.026446][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 32.026456][ T333] generic_shutdown_super+0x63/0x2a0 [ 32.026465][ T333] kill_block_super+0x79/0xd0 [ 32.026474][ T333] deactivate_locked_super+0xaf/0x100 [ 32.026485][ T333] deactivate_super+0x1b3/0x270 [ 32.026494][ T333] ? deactivate_locked_super+0x100/0x100 [ 32.026502][ T333] ? dput+0x4de/0x5d0 [ 32.026512][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 A start job is r[ 32.026523][ T333] ? find_next_bit+0xc6/0x110 [ 32.026532][ T333] cleanup_mnt+0x432/0x4e0 [ 32.026542][ T333] task_work_run+0x186/0x1b0 [ 32.026552][ T333] prepare_exit_to_usermode+0x2b0/0x310 unning for dev-t[ 32.026562][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.026570][ T333] RIP: 0033:0x446247 [ 32.026578][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 tyS0.device (25s[ 32.026585][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 32.026597][ T333] RAX: 0000000000000000 RBX: 0000000000007bf2 RCX: 0000000000446247 / 1min 30s)[ 32.026603][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 32.026610][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 32.026617][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 32.026624][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000001 [ 32.026631][ T333] ---[ end trace c5dbeec659647b32 ]--- [ 32.034359][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 32.411452][ T338] FAULT_INJECTION: forcing a failure. [ 32.411452][ T338] name failslab, interval 1, probability 0, space 0, times 0 [ 32.424073][ T338] CPU: 1 PID: 338 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 32.435574][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.445593][ T338] Call Trace: [ 32.448850][ T338] dump_stack+0x1d8/0x24e [ 32.453146][ T338] ? devkmsg_release+0x11c/0x11c [ 32.458051][ T338] ? show_regs_print_info+0x12/0x12 [ 32.463214][ T338] should_fail+0x6f6/0x860 [ 32.467598][ T338] ? setup_fault_attr+0x3d0/0x3d0 [ 32.472588][ T338] ? avc_alloc_node+0x8f/0x480 [ 32.477314][ T338] should_failslab+0x5/0x20 [ 32.481786][ T338] kmem_cache_alloc+0x36/0x290 [ 32.486522][ T338] avc_alloc_node+0x8f/0x480 [ 32.491075][ T338] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 32.496533][ T338] ? _raw_spin_lock+0x1b0/0x1b0 [ 32.501389][ T338] ? avc_xperms_free+0x270/0x270 [ 32.506317][ T338] avc_compute_av+0x15a/0x710 [ 32.510957][ T338] avc_has_perm_noaudit+0x2c6/0x400 [ 32.516118][ T338] ? avc_denied+0x1c0/0x1c0 [ 32.520589][ T338] avc_has_perm+0xd2/0x270 [ 32.524981][ T338] ? avc_has_perm_noaudit+0x400/0x400 [ 32.530327][ T338] ? avc_has_perm_noaudit+0x30c/0x400 [ 32.535675][ T338] ? security_transition_sid+0x78/0x90 [ 32.541097][ T338] may_create+0x6f4/0x960 [ 32.545394][ T338] ? show_sid+0x250/0x250 [ 32.549686][ T338] ? selinux_inode_permission+0x445/0x690 [ 32.555365][ T338] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 32.561166][ T338] ? from_kgid+0x206/0x350 [ 32.565556][ T338] ? make_kgid+0x390/0x390 [ 32.569936][ T338] ? generic_permission+0x13a/0x490 [ 32.575357][ T338] security_inode_mkdir+0x96/0x120 [ 32.580442][ T338] vfs_mkdir+0x34a/0x5f0 [ 32.584652][ T338] open_or_create_special_dir+0xba/0x150 [ 32.590248][ T338] incfs_mount_fs+0x3e9/0x840 [ 32.594901][ T338] ? incfs_unlink+0x80/0x80 [ 32.599368][ T338] ? vfs_parse_fs_param+0x2cb/0x430 [ 32.604529][ T338] ? vfs_parse_fs_string+0x1e9/0x290 [ 32.609783][ T338] ? cap_capable+0x23f/0x280 [ 32.614348][ T338] legacy_get_tree+0xde/0x170 [ 32.618989][ T338] ? incfs_unlink+0x80/0x80 [ 32.623454][ T338] vfs_get_tree+0x83/0x260 [ 32.627845][ T338] do_mount+0x19d0/0x2670 [ 32.632227][ T338] ? copy_mount_string+0x30/0x30 [ 32.637133][ T338] ? _copy_from_user+0xa4/0xe0 [ 32.641860][ T338] ? copy_mount_options+0xc9/0x300 [ 32.646930][ T338] ? ksys_mount+0x8f/0xf0 [ 32.651233][ T338] ksys_mount+0xc2/0xf0 [ 32.655365][ T338] __x64_sys_mount+0xb1/0xc0 [ 32.659918][ T338] do_syscall_64+0xcb/0x1e0 [ 32.664386][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.670244][ T338] RIP: 0033:0x444ea9 [ 32.674108][ T338] 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 [ 32.693682][ T338] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 32.702055][ T338] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 32.710012][ T338] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 32.717948][ T338] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 32.725884][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 32.733846][ T338] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000001 [ 32.743243][ T338] incfs: ino conflict with backing FS 1 executing program [** ] A start job is running for dev-ttyS0.device (26s / 1min 30s)[ 32.813751][ T342] FAULT_INJECTION: forcing a failure. [ 32.813751][ T342] name failslab, interval 1, probability 0, space 0, times 0 [ 32.826472][ T342] CPU: 0 PID: 342 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 32.837988][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.848012][ T342] Call Trace: [ 32.851362][ T342] dump_stack+0x1d8/0x24e [ 32.855694][ T342] ? devkmsg_release+0x11c/0x11c [ 32.860603][ T342] ? __find_get_block+0xd13/0x10c0 [ 32.865713][ T342] ? show_regs_print_info+0x12/0x12 [ 32.870892][ T342] ? unwind_get_return_address+0x48/0x80 [ 32.876506][ T342] should_fail+0x6f6/0x860 [ 32.880889][ T342] ? setup_fault_attr+0x3d0/0x3d0 [ 32.885881][ T342] ? ebitmap_cmp+0x1b8/0x220 [ 32.890436][ T342] ? mls_compute_context_len+0x7dd/0x810 [ 32.896034][ T342] ? context_struct_to_string+0x43b/0x8b0 [ 32.901733][ T342] should_failslab+0x5/0x20 [ 32.906205][ T342] __kmalloc+0x5f/0x2f0 [ 32.910331][ T342] context_struct_to_string+0x43b/0x8b0 [ 32.915846][ T342] ? security_bounded_transition+0x560/0x560 [ 32.921790][ T342] ? symhash+0xe0/0xe0 [ 32.925827][ T342] ? hashtab_search+0x1bf/0x200 [ 32.930647][ T342] context_add_hash+0x13f/0x270 [ 32.935466][ T342] ? security_sid_to_context_inval+0x40/0x40 [ 32.941543][ T342] ? mls_context_isvalid+0x98/0x380 [ 32.946720][ T342] ? policydb_context_isvalid+0x1b6/0x400 [ 32.952408][ T342] security_compute_sid+0x1142/0x1d00 [ 32.957747][ T342] ? __rcu_read_lock+0x50/0x50 [ 32.962482][ T342] ? security_transition_sid+0x90/0x90 [ 32.967941][ T342] ? avc_denied+0x1c0/0x1c0 [ 32.972425][ T342] ? avc_has_perm_noaudit+0x400/0x400 [ 32.977763][ T342] ? avc_has_perm_noaudit+0x30c/0x400 [ 32.983122][ T342] security_transition_sid+0x78/0x90 [ 32.988373][ T342] may_create+0x62b/0x960 [ 32.992685][ T342] ? show_sid+0x250/0x250 [ 32.996981][ T342] ? selinux_inode_permission+0x445/0x690 [ 33.002680][ T342] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 33.008462][ T342] ? from_kgid+0x206/0x350 [ 33.012848][ T342] ? make_kgid+0x390/0x390 [ 33.017244][ T342] ? generic_permission+0x13a/0x490 [ 33.022409][ T342] security_inode_mkdir+0x96/0x120 [ 33.027488][ T342] vfs_mkdir+0x34a/0x5f0 [ 33.031700][ T342] open_or_create_special_dir+0xba/0x150 [ 33.037297][ T342] incfs_mount_fs+0x3e9/0x840 [ 33.041990][ T342] ? incfs_unlink+0x80/0x80 [ 33.046460][ T342] ? vfs_parse_fs_param+0x2cb/0x430 [ 33.051622][ T342] ? vfs_parse_fs_string+0x1e9/0x290 [ 33.056960][ T342] ? cap_capable+0x23f/0x280 [ 33.061515][ T342] legacy_get_tree+0xde/0x170 [ 33.066155][ T342] ? incfs_unlink+0x80/0x80 [ 33.070626][ T342] vfs_get_tree+0x83/0x260 [ 33.075043][ T342] do_mount+0x19d0/0x2670 [ 33.079349][ T342] ? copy_mount_string+0x30/0x30 [ 33.084256][ T342] ? _copy_from_user+0xa4/0xe0 [ 33.088989][ T342] ? copy_mount_options+0xc9/0x300 [ 33.094135][ T342] ? ksys_mount+0x8f/0xf0 [ 33.098429][ T342] ksys_mount+0xc2/0xf0 [ 33.102550][ T342] __x64_sys_mount+0xb1/0xc0 [ 33.107104][ T342] do_syscall_64+0xcb/0x1e0 [ 33.111574][ T342] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 33.117433][ T342] RIP: 0033:0x444ea9 [ 33.121292][ 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 [ 33.140866][ T342] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.149264][ T342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 33.157201][ T342] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 33.165140][ T342] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 33.173079][ T342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 33.181020][ T342] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000002 [ 33.189466][ T342] incfs: Can't find or create .index dir in ./file0 [ 33.197169][ T333] BUG: Dentry ffff8881ecbdbaa0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 33.206908][ T333] ------------[ cut here ]------------ [ 33.212359][ T333] WARNING: CPU: 0 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 33.220654][ T333] Modules linked in: [ 33.224532][ T333] CPU: 0 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 33.236054][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.246100][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 33.251389][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 33.271323][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 33.277364][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 33.285315][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [[ 33.293377][ T333] RBP: ffff8881f4fd5420 R08: ffffffff814e90a7 R09: ffffed103edc9608 [ 33.301411][ T333] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 33.309363][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbdbaa0 [ 33.317319][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 33.326221][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 *[0;1;31[ 33.332784][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406f0 [ 33.342122][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.350087][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.358037][ T333] Call Trace: [ 33.361303][ T333] d_walk+0x2d9/0x540 m** [ 33.365284][ T333] ? __d_free+0x20/0x20 [ 33.370786][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 33.376230][ T333] generic_shutdown_super+0x63/0x2a0 ] A start j[ 33.381489][ T333] kill_block_super+0x79/0xd0 [ 33.387516][ T333] deactivate_locked_super+0xaf/0x100 [ 33.392865][ T333] deactivate_super+0x1b3/0x270 ob is running fo[ 33.397692][ T333] ? deactivate_locked_super+0x100/0x100 [ 33.404679][ T333] ? dput+0x4de/0x5d0 r dev-ttyS0.devi[ 33.408640][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 33.415541][ T333] ? find_next_bit+0xc6/0x110 ce (26s / 1min 3[ 33.420198][ T333] cleanup_mnt+0x432/0x4e0 0s)[ 33.426092][ T333] task_work_run+0x186/0x1b0 [ 33.430933][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 33.436484][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 33.442363][ T333] RIP: 0033:0x446247 [ 33.446225][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 33.465817][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 33.474203][ T333] RAX: 0000000000000000 RBX: 0000000000008090 RCX: 0000000000446247 [ 33.482155][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 33.490112][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 33.498097][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 33.506036][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000003 [ 33.514002][ T333] ---[ end trace c5dbeec659647b33 ]--- [ 33.525309][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 33.617741][ T345] FAULT_INJECTION: forcing a failure. [ 33.617741][ T345] name failslab, interval 1, probability 0, space 0, times 0 [ 33.630381][ T345] CPU: 0 PID: 345 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 33.641926][ T345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.651950][ T345] Call Trace: [ 33.655212][ T345] dump_stack+0x1d8/0x24e [ 33.659516][ T345] ? devkmsg_release+0x11c/0x11c [ 33.664423][ T345] ? __find_get_block+0xd13/0x10c0 [ 33.669501][ T345] ? show_regs_print_info+0x12/0x12 [ 33.674669][ T345] ? unwind_get_return_address+0x48/0x80 [ 33.680279][ T345] should_fail+0x6f6/0x860 [ 33.684754][ T345] ? setup_fault_attr+0x3d0/0x3d0 [ 33.689749][ T345] ? ebitmap_cmp+0x1b8/0x220 [ 33.694306][ T345] ? mls_compute_context_len+0x7dd/0x810 [ 33.699910][ T345] ? context_struct_to_string+0x43b/0x8b0 [ 33.705597][ T345] should_failslab+0x5/0x20 [ 33.710068][ T345] __kmalloc+0x5f/0x2f0 [ 33.714193][ T345] context_struct_to_string+0x43b/0x8b0 [ 33.719706][ T345] ? security_bounded_transition+0x560/0x560 [ 33.725664][ T345] ? symhash+0xe0/0xe0 [ 33.729711][ T345] ? hashtab_search+0x1bf/0x200 [ 33.734528][ T345] context_add_hash+0x13f/0x270 [ 33.739361][ T345] ? security_sid_to_context_inval+0x40/0x40 [ 33.745306][ T345] ? mls_context_isvalid+0x98/0x380 [ 33.750468][ T345] ? policydb_context_isvalid+0x1b6/0x400 [ 33.756152][ T345] security_compute_sid+0x1142/0x1d00 [ 33.761491][ T345] ? __rcu_read_lock+0x50/0x50 [ 33.766222][ T345] ? security_transition_sid+0x90/0x90 [ 33.771646][ T345] ? avc_denied+0x1c0/0x1c0 [ 33.776117][ T345] ? avc_has_perm_noaudit+0x400/0x400 [ 33.781453][ T345] ? avc_has_perm_noaudit+0x30c/0x400 [ 33.786792][ T345] security_transition_sid+0x78/0x90 [ 33.792056][ T345] may_create+0x62b/0x960 [ 33.796355][ T345] ? show_sid+0x250/0x250 [ 33.800761][ T345] ? selinux_inode_permission+0x445/0x690 [ 33.806448][ T345] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 33.812308][ T345] ? from_kgid+0x206/0x350 [ 33.816688][ T345] ? make_kgid+0x390/0x390 [ 33.821119][ T345] ? generic_permission+0x13a/0x490 [ 33.826311][ T345] security_inode_mkdir+0x96/0x120 [ 33.831386][ T345] vfs_mkdir+0x34a/0x5f0 [ 33.835596][ T345] open_or_create_special_dir+0xba/0x150 [ 33.841192][ T345] incfs_mount_fs+0x3e9/0x840 [ 33.845835][ T345] ? incfs_unlink+0x80/0x80 [ 33.850302][ T345] ? vfs_parse_fs_param+0x2cb/0x430 [ 33.855486][ T345] ? vfs_parse_fs_string+0x1e9/0x290 [ 33.860750][ T345] ? cap_capable+0x23f/0x280 [ 33.865304][ T345] legacy_get_tree+0xde/0x170 [ 33.869966][ T345] ? incfs_unlink+0x80/0x80 [ 33.874439][ T345] vfs_get_tree+0x83/0x260 [ 33.878823][ T345] do_mount+0x19d0/0x2670 [ 33.883121][ T345] ? copy_mount_string+0x30/0x30 [ 33.888026][ T345] ? _copy_from_user+0xa4/0xe0 [ 33.892760][ T345] ? copy_mount_options+0xc9/0x300 [ 33.897835][ T345] ? ksys_mount+0x8f/0xf0 [ 33.902128][ T345] ksys_mount+0xc2/0xf0 [ 33.906258][ T345] __x64_sys_mount+0xb1/0xc0 [ 33.910825][ T345] do_syscall_64+0xcb/0x1e0 [ 33.915293][ T345] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 33.921176][ T345] RIP: 0033:0x444ea9 [ 33.925042][ T345] 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 [ 33.944610][ T345] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.953011][ T345] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 33.960957][ T345] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 33.968895][ T345] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 33.976834][ T345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 33.984771][ T345] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000003 [ 33.993351][ T345] incfs: Can't find or create .index dir in ./file0 [ 34.002948][ T333] BUG: Dentry ffff8881ecbe9aa0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0;1;[ 34.013017][ T333] ------------[ cut here ]------------ [ 34.019622][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.027924][ T333] Modules linked in: [ 34.031789][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 34.043314][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.053349][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 34.058605][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 34.078176][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 34.084221][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 34.092159][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 34.100098][ T333] RBP: ffff8881f4fd4420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 34.108062][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 34.116014][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbe9aa0 [ 34.123951][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 34.132847][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.139399][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 34.147348][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.155296][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.163237][ T333] Call Trace: [ 34.166516][ T333] d_walk+0x2d9/0x540 [ 34.170476][ T333] ? __d_free+0x20/0x20 [ 34.174598][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 34.180026][ T333] generic_shutdown_super+0x63/0x2a0 [ 34.185280][ T333] kill_block_super+0x79/0xd0 [ 34.189925][ T333] deactivate_locked_super+0xaf/0x100 [ 34.195266][ T333] deactivate_super+0x1b3/0x270 [ 34.200080][ T333] ? deactivate_locked_super+0x100/0x100 [ 34.205677][ T333] ? dput+0x4de/0x5d0 [ 34.209626][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 34.215137][ T333] ? find_next_bit+0xc6/0x110 [ 34.219781][ T333] cleanup_mnt+0x432/0x4e0 [ 34.224163][ T333] task_work_run+0x186/0x1b0 [ 34.228721][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 34.234248][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.240104][ T333] RIP: 0033:0x446247 [ 34.243977][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.263561][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 34.271936][ T333] RAX: 0000000000000000 RBX: 00000000000083b5 RCX: 0000000000446247 [ 34.279873][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 34.287813][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 34.295752][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 34.303782][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000004 [ 34.311813][ T333] ---[ end trace c5dbeec659647b34 ]--- executing program 31m** ] A start [ 34.319468][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... job is running for dev-ttyS0.device (27s / 1min 30s)[ 34.390760][ T348] FAULT_INJECTION: forcing a failure. [ 34.390760][ T348] name failslab, interval 1, probability 0, space 0, times 0 [ 34.403408][ T348] CPU: 1 PID: 348 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 34.415038][ T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.425092][ T348] Call Trace: [ 34.428356][ T348] dump_stack+0x1d8/0x24e [ 34.432653][ T348] ? devkmsg_release+0x11c/0x11c [ 34.437563][ T348] ? show_regs_print_info+0x12/0x12 [ 34.442724][ T348] ? find_get_entry+0x5be/0x650 [ 34.447552][ T348] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.453758][ T348] should_fail+0x6f6/0x860 [ 34.458151][ T348] ? setup_fault_attr+0x3d0/0x3d0 [ 34.463144][ T348] ? vfat_add_entry+0x206/0x37b0 [ 34.468048][ T348] should_failslab+0x5/0x20 [ 34.472519][ T348] kmem_cache_alloc_trace+0x39/0x2b0 [ 34.477771][ T348] ? debug_smp_processor_id+0x20/0x20 [ 34.483111][ T348] vfat_add_entry+0x206/0x37b0 [ 34.487843][ T348] ? __xa_set_mark+0x488/0x580 [ 34.492578][ T348] ? percpu_counter_add_batch+0x14d/0x170 [ 34.498262][ T348] ? vfat_rename+0xff0/0xff0 [ 34.502819][ T348] ? __brelse+0x54/0x90 [ 34.506943][ T348] ? fat_zeroed_cluster+0x7bb/0x820 [ 34.512233][ T348] ? mark_buffer_dirty_inode+0x22b/0x300 [ 34.517831][ T348] ? fat_alloc_new_dir+0x857/0xd70 [ 34.522906][ T348] ? __fat_remove_entries+0x4f0/0x4f0 [ 34.528242][ T348] ? ktime_get_coarse_real_ts64+0xcf/0xe0 [ 34.533925][ T348] ? iget5_locked+0x75/0x3c0 [ 34.538481][ T348] vfat_mkdir+0x1a8/0x420 [ 34.542777][ T348] ? vfat_unlink+0x3a0/0x3a0 [ 34.547333][ T348] ? generic_permission+0x13a/0x490 [ 34.552494][ T348] ? security_inode_mkdir+0xdd/0x120 [ 34.557830][ T348] vfs_mkdir+0x416/0x5f0 [ 34.562041][ T348] open_or_create_special_dir+0xba/0x150 [ 34.567636][ T348] incfs_mount_fs+0x3e9/0x840 [ 34.572275][ T348] ? incfs_unlink+0x80/0x80 [ 34.576742][ T348] ? vfs_parse_fs_param+0x2cb/0x430 [ 34.581903][ T348] ? vfs_parse_fs_string+0x1e9/0x290 [ 34.587151][ T348] ? cap_capable+0x23f/0x280 [ 34.591705][ T348] legacy_get_tree+0xde/0x170 [ 34.596454][ T348] ? incfs_unlink+0x80/0x80 [ 34.600921][ T348] vfs_get_tree+0x83/0x260 [ 34.605321][ T348] do_mount+0x19d0/0x2670 [ 34.609646][ T348] ? copy_mount_string+0x30/0x30 [ 34.614555][ T348] ? _copy_from_user+0xa4/0xe0 [ 34.619288][ T348] ? copy_mount_options+0xc9/0x300 [ 34.624371][ T348] ? ksys_mount+0x8f/0xf0 [ 34.628669][ T348] ksys_mount+0xc2/0xf0 [ 34.632793][ T348] __x64_sys_mount+0xb1/0xc0 [ 34.637347][ T348] do_syscall_64+0xcb/0x1e0 [ 34.641815][ T348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.647681][ T348] RIP: 0033:0x444ea9 [ 34.651542][ T348] 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 [ 34.671252][ T348] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.679633][ T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 34.687850][ T348] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 34.695891][ T348] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 34.703846][ T348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 34.711932][ T348] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000004 [ 34.726490][ T348] incfs: Can't find or create .index dir in ./file0 [ 34.735411][ T333] BUG: Dentry ffff8881ecb7d330{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0;1[ 34.745422][ T333] ------------[ cut here ]------------ [ 34.752078][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.760392][ T333] Modules linked in: [ 34.764275][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 34.775780][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.785811][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 34.791072][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 34.810643][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 34.816674][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 34.824610][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 34.832559][ T333] RBP: ffff8881f43ca420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 34.840507][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 34.848454][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb7d330 [ 34.856411][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 34.865309][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.871862][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 34.879805][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.887833][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.895773][ T333] Call Trace: [ 34.899036][ T333] d_walk+0x2d9/0x540 [ 34.902989][ T333] ? __d_free+0x20/0x20 [ 34.907111][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 34.912536][ T333] generic_shutdown_super+0x63/0x2a0 [ 34.917803][ T333] kill_block_super+0x79/0xd0 [ 34.922445][ T333] deactivate_locked_super+0xaf/0x100 [ 34.927783][ T333] deactivate_super+0x1b3/0x270 [ 34.932599][ T333] ? deactivate_locked_super+0x100/0x100 [ 34.938198][ T333] ? dput+0x4de/0x5d0 [ 34.942147][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 34.947668][ T333] ? find_next_bit+0xc6/0x110 [ 34.952317][ T333] cleanup_mnt+0x432/0x4e0 [ 34.956716][ T333] task_work_run+0x186/0x1b0 [ 34.961306][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 34.966921][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.972813][ T333] RIP: 0033:0x446247 [ 34.976684][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.996259][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 35.004638][ T333] RAX: 0000000000000000 RBX: 00000000000086b2 RCX: 0000000000446247 [ 35.012578][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 35.020531][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 35.028493][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 executing program [ 35.036955][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000005 [ 35.044898][ T333] ---[ end trace c5dbeec659647b35 ]--- ;31m*[ 35.051454][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... * ] A start job is running for dev-ttyS0.device (28s / 1min 30s)[ 35.102812][ T351] FAULT_INJECTION: forcing a failure. [ 35.102812][ T351] name failslab, interval 1, probability 0, space 0, times 0 [ 35.115444][ T351] CPU: 1 PID: 351 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 35.127000][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.137029][ T351] Call Trace: [ 35.140293][ T351] dump_stack+0x1d8/0x24e [ 35.144609][ T351] ? devkmsg_release+0x11c/0x11c [ 35.149517][ T351] ? __find_get_block+0xd13/0x10c0 [ 35.154603][ T351] ? show_regs_print_info+0x12/0x12 [ 35.159773][ T351] ? unwind_get_return_address+0x48/0x80 [ 35.165373][ T351] should_fail+0x6f6/0x860 [ 35.169772][ T351] ? setup_fault_attr+0x3d0/0x3d0 [ 35.174762][ T351] ? ebitmap_cmp+0x1b8/0x220 [ 35.179321][ T351] ? mls_compute_context_len+0x7dd/0x810 [ 35.184922][ T351] ? context_struct_to_string+0x43b/0x8b0 [ 35.190610][ T351] should_failslab+0x5/0x20 [ 35.195129][ T351] __kmalloc+0x5f/0x2f0 [ 35.199251][ T351] context_struct_to_string+0x43b/0x8b0 [ 35.204766][ T351] ? security_bounded_transition+0x560/0x560 [ 35.210722][ T351] ? symhash+0xe0/0xe0 [ 35.214774][ T351] ? hashtab_search+0x1bf/0x200 [ 35.219592][ T351] context_add_hash+0x13f/0x270 [ 35.224425][ T351] ? security_sid_to_context_inval+0x40/0x40 [ 35.230373][ T351] ? mls_context_isvalid+0x98/0x380 [ 35.235537][ T351] ? policydb_context_isvalid+0x1b6/0x400 [ 35.241221][ T351] security_compute_sid+0x1142/0x1d00 [ 35.246568][ T351] ? __rcu_read_lock+0x50/0x50 [ 35.251304][ T351] ? security_transition_sid+0x90/0x90 [ 35.256731][ T351] ? avc_denied+0x1c0/0x1c0 [ 35.261201][ T351] ? avc_has_perm_noaudit+0x400/0x400 [ 35.266566][ T351] ? avc_has_perm_noaudit+0x30c/0x400 [ 35.271911][ T351] security_transition_sid+0x78/0x90 [ 35.277165][ T351] may_create+0x62b/0x960 [ 35.281463][ T351] ? show_sid+0x250/0x250 [ 35.285770][ T351] ? selinux_inode_permission+0x445/0x690 [ 35.291454][ T351] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 35.297227][ T351] ? from_kgid+0x206/0x350 [ 35.301607][ T351] ? make_kgid+0x390/0x390 [ 35.305993][ T351] ? generic_permission+0x13a/0x490 [ 35.311158][ T351] security_inode_mkdir+0x96/0x120 [ 35.316250][ T351] vfs_mkdir+0x34a/0x5f0 [ 35.320463][ T351] open_or_create_special_dir+0xba/0x150 [ 35.326061][ T351] incfs_mount_fs+0x3e9/0x840 [ 35.330707][ T351] ? incfs_unlink+0x80/0x80 [ 35.335172][ T351] ? vfs_parse_fs_param+0x2cb/0x430 [ 35.340332][ T351] ? vfs_parse_fs_string+0x1e9/0x290 [ 35.345597][ T351] ? cap_capable+0x23f/0x280 [ 35.350153][ T351] legacy_get_tree+0xde/0x170 [ 35.354793][ T351] ? incfs_unlink+0x80/0x80 [ 35.359261][ T351] vfs_get_tree+0x83/0x260 [ 35.363818][ T351] do_mount+0x19d0/0x2670 [ 35.368114][ T351] ? copy_mount_string+0x30/0x30 [ 35.373027][ T351] ? _copy_from_user+0xa4/0xe0 [ 35.377781][ T351] ? copy_mount_options+0xc9/0x300 [ 35.382859][ T351] ? ksys_mount+0x8f/0xf0 [ 35.387187][ T351] ksys_mount+0xc2/0xf0 [ 35.391316][ T351] __x64_sys_mount+0xb1/0xc0 [ 35.395975][ T351] do_syscall_64+0xcb/0x1e0 [ 35.400452][ T351] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 35.406330][ T351] RIP: 0033:0x444ea9 [ 35.410219][ T351] 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 [ 35.429790][ T351] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 35.438168][ T351] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 35.446256][ T351] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 35.454203][ T351] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 35.462148][ T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 35.470096][ T351] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000005 [ 35.478176][ T351] incfs: Can't find or create .index dir in ./file0 [ 35.485849][ T333] BUG: Dentry ffff8881ecbfb770{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 35.495536][ T333] ------------[ cut here ]------------ [ 35.500987][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 35.509280][ T333] Modules linked in: [ 35.513172][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 35.524697][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.534749][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 35.540024][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 35.559710][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 35.565755][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 35.573717][ T333] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 35.581764][ T333] RBP: ffff8881f43c9420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 35.589733][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 35.597676][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbfb770 [ 35.605627][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.614634][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.621193][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 35.629139][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.637088][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.645037][ T333] Call Trace: [ 35.648307][ T333] d_walk+0x2d9/0x540 [ 35.652264][ T333] ? __d_free+0x20/0x20 [ 35.656396][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 35.661820][ T333] generic_shutdown_super+0x63/0x2a0 [ 35.667073][ T333] kill_block_super+0x79/0xd0 [ 35.671719][ T333] deactivate_locked_super+0xaf/0x100 [ 35.677057][ T333] deactivate_super+0x1b3/0x270 [ 35.681893][ T333] ? deactivate_locked_super+0x100/0x100 [ 35.687516][ T333] ? dput+0x4de/0x5d0 [ 35.691492][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 35.697005][ T333] ? find_next_bit+0xc6/0x110 [ 35.701666][ T333] cleanup_mnt+0x432/0x4e0 [ 35.706049][ T333] task_work_run+0x186/0x1b0 [ 35.710607][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 35.716130][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 35.722001][ T333] RIP: 0033:0x446247 [ 35.725878][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.745446][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 35.753839][ T333] RAX: 0000000000000000 RBX: 0000000000008981 RCX: 0000000000446247 [ 35.761776][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 35.769717][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 35.777670][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 35.785610][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000006 [ 35.793549][ T333] ---[ end trace c5dbeec659647b36 ]--- executing program [ *[ 35.800022][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... **] A start job is running for dev-ttyS0.device (29s / 1min 30s)[ 35.861488][ T355] FAULT_INJECTION: forcing a failure. [ 35.861488][ T355] name failslab, interval 1, probability 0, space 0, times 0 [ 35.874121][ T355] CPU: 0 PID: 355 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 35.886164][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.896194][ T355] Call Trace: [ 35.899479][ T355] dump_stack+0x1d8/0x24e [ 35.903777][ T355] ? devkmsg_release+0x11c/0x11c [ 35.908684][ T355] ? __find_get_block+0xd13/0x10c0 [ 35.913768][ T355] ? show_regs_print_info+0x12/0x12 [ 35.918950][ T355] ? unwind_get_return_address+0x48/0x80 [ 35.924583][ T355] should_fail+0x6f6/0x860 [ 35.928972][ T355] ? setup_fault_attr+0x3d0/0x3d0 [ 35.933964][ T355] ? ebitmap_cmp+0x1b8/0x220 [ 35.938539][ T355] ? mls_compute_context_len+0x7dd/0x810 [ 35.944151][ T355] ? context_struct_to_string+0x43b/0x8b0 [ 35.949837][ T355] should_failslab+0x5/0x20 [ 35.954312][ T355] __kmalloc+0x5f/0x2f0 [ 35.958434][ T355] context_struct_to_string+0x43b/0x8b0 [ 35.963945][ T355] ? security_bounded_transition+0x560/0x560 [ 35.969904][ T355] ? symhash+0xe0/0xe0 [ 35.973938][ T355] ? hashtab_search+0x1bf/0x200 [ 35.978761][ T355] context_add_hash+0x13f/0x270 [ 35.983580][ T355] ? security_sid_to_context_inval+0x40/0x40 [ 35.989525][ T355] ? mls_context_isvalid+0x98/0x380 [ 35.994690][ T355] ? policydb_context_isvalid+0x1b6/0x400 [ 36.000377][ T355] security_compute_sid+0x1142/0x1d00 [ 36.005716][ T355] ? __rcu_read_lock+0x50/0x50 [ 36.010459][ T355] ? security_transition_sid+0x90/0x90 [ 36.015896][ T355] ? avc_denied+0x1c0/0x1c0 [ 36.020392][ T355] ? avc_has_perm_noaudit+0x400/0x400 [ 36.025828][ T355] ? avc_has_perm_noaudit+0x30c/0x400 [ 36.031186][ T355] security_transition_sid+0x78/0x90 [ 36.036442][ T355] may_create+0x62b/0x960 [ 36.040740][ T355] ? show_sid+0x250/0x250 [ 36.045039][ T355] ? selinux_inode_permission+0x445/0x690 [ 36.050725][ T355] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 36.056680][ T355] ? from_kgid+0x206/0x350 [ 36.061069][ T355] ? make_kgid+0x390/0x390 [ 36.065464][ T355] ? generic_permission+0x13a/0x490 [ 36.070646][ T355] security_inode_mkdir+0x96/0x120 [ 36.075739][ T355] vfs_mkdir+0x34a/0x5f0 [ 36.079967][ T355] open_or_create_special_dir+0xba/0x150 [ 36.085745][ T355] incfs_mount_fs+0x3e9/0x840 [ 36.090393][ T355] ? incfs_unlink+0x80/0x80 [ 36.094869][ T355] ? vfs_parse_fs_param+0x2cb/0x430 [ 36.100072][ T355] ? vfs_parse_fs_string+0x1e9/0x290 [ 36.105328][ T355] ? cap_capable+0x23f/0x280 [ 36.109989][ T355] legacy_get_tree+0xde/0x170 [ 36.114637][ T355] ? incfs_unlink+0x80/0x80 [ 36.119130][ T355] vfs_get_tree+0x83/0x260 [ 36.123542][ T355] do_mount+0x19d0/0x2670 [ 36.127844][ T355] ? copy_mount_string+0x30/0x30 [ 36.132749][ T355] ? _copy_from_user+0xa4/0xe0 [ 36.137657][ T355] ? copy_mount_options+0xc9/0x300 [ 36.142740][ T355] ? ksys_mount+0x8f/0xf0 [ 36.147040][ T355] ksys_mount+0xc2/0xf0 [ 36.151165][ T355] __x64_sys_mount+0xb1/0xc0 [ 36.155726][ T355] do_syscall_64+0xcb/0x1e0 [ 36.160198][ T355] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.166060][ T355] RIP: 0033:0x444ea9 [ 36.169941][ T355] 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 [ 36.189549][ T355] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.197928][ T355] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 36.205958][ T355] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 36.213906][ T355] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 36.221850][ T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 36.229794][ T355] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000006 [ 36.239243][ T355] incfs: Can't find or create .index dir in ./file0 [ 36.250662][ T333] BUG: Dentry ffff8881ecbdebb0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0[ 36.260778][ T333] ------------[ cut here ]------------ [ 36.267351][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 36.275645][ T333] Modules linked in: [ 36.279509][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 36.291004][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.301122][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 36.306422][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 36.325993][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 36.332027][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 36.339967][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 36.347908][ T333] RBP: ffff8881f05e6420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 36.355853][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 36.363793][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbdebb0 [ 36.371906][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 36.380802][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.387352][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 36.395293][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.403259][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.411198][ T333] Call Trace: [ 36.414459][ T333] d_walk+0x2d9/0x540 [ 36.418410][ T333] ? __d_free+0x20/0x20 [ 36.422532][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 36.427960][ T333] generic_shutdown_super+0x63/0x2a0 [ 36.433209][ T333] kill_block_super+0x79/0xd0 [ 36.437858][ T333] deactivate_locked_super+0xaf/0x100 [ 36.443201][ T333] deactivate_super+0x1b3/0x270 [ 36.448019][ T333] ? deactivate_locked_super+0x100/0x100 [ 36.453629][ T333] ? dput+0x4de/0x5d0 [ 36.457589][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 36.463101][ T333] ? find_next_bit+0xc6/0x110 [ 36.467744][ T333] cleanup_mnt+0x432/0x4e0 [ 36.472128][ T333] task_work_run+0x186/0x1b0 [ 36.476682][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 36.482197][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.488056][ T333] RIP: 0033:0x446247 [ 36.491938][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.511512][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 36.519887][ T333] RAX: 0000000000000000 RBX: 0000000000008c7a RCX: 0000000000446247 [ 36.527828][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 36.535771][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 36.543728][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 36.551685][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000007 executing program [ 36.559738][ T333] ---[ end trace c5dbeec659647b37 ]--- ;1;31m*] A s[ 36.565802][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... tart job is running for dev-ttyS0.device (29s / 1min 30s)[ 36.611342][ T358] FAULT_INJECTION: forcing a failure. [ 36.611342][ T358] name failslab, interval 1, probability 0, space 0, times 0 [ 36.623954][ T358] CPU: 1 PID: 358 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 36.635684][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.645708][ T358] Call Trace: [ 36.648994][ T358] dump_stack+0x1d8/0x24e [ 36.653324][ T358] ? devkmsg_release+0x11c/0x11c [ 36.658227][ T358] ? show_regs_print_info+0x12/0x12 [ 36.663415][ T358] ? check_preemption_disabled+0x9e/0x330 [ 36.669129][ T358] ? __rcu_read_lock+0x50/0x50 [ 36.673860][ T358] ? __unwind_start+0x72f/0x8e0 [ 36.678678][ T358] should_fail+0x6f6/0x860 [ 36.683062][ T358] ? setup_fault_attr+0x3d0/0x3d0 [ 36.688051][ T358] ? __rcu_read_lock+0x50/0x50 [ 36.692783][ T358] ? stack_trace_save+0x1f0/0x1f0 [ 36.697795][ T358] ? xas_load+0x493/0x4f0 [ 36.702108][ T358] ? mempool_alloc_slab+0x16/0x20 [ 36.707098][ T358] should_failslab+0x5/0x20 [ 36.711587][ T358] kmem_cache_alloc+0x36/0x290 [ 36.716333][ T358] ? find_get_entry+0x5be/0x650 [ 36.721150][ T358] ? mempool_free+0x380/0x380 [ 36.725813][ T358] mempool_alloc_slab+0x16/0x20 [ 36.730650][ T358] mempool_alloc+0x113/0x680 [ 36.735211][ T358] ? check_preemption_disabled+0x154/0x330 [ 36.740994][ T358] ? mempool_resize+0x900/0x900 [ 36.745822][ T358] bio_alloc_bioset+0x1db/0x640 [ 36.750640][ T358] ? write_boundary_block+0x150/0x150 [ 36.755976][ T358] ? bio_chain_endio+0x110/0x110 [ 36.760890][ T358] submit_bh_wbc+0x1ba/0x790 [ 36.765463][ T358] __bread_gfp+0x181/0x310 [ 36.769861][ T358] fat12_ent_bread+0x152/0x4f0 [ 36.774734][ T358] ? fat12_ent_blocknr+0xa8/0x1e0 [ 36.779744][ T358] ? fat12_ent_set_ptr+0x250/0x250 [ 36.784831][ T358] fat_alloc_clusters+0x755/0x14d0 [ 36.789938][ T358] ? fat_mirror_bhs+0x4d0/0x4d0 [ 36.794763][ T358] ? memset+0x1f/0x40 [ 36.798740][ T358] ? avc_has_perm_noaudit+0x30c/0x400 [ 36.804081][ T358] ? avc_denied+0x1c0/0x1c0 [ 36.808570][ T358] fat_alloc_new_dir+0x19e/0xd70 [ 36.813479][ T358] ? avc_has_perm+0x173/0x270 [ 36.818124][ T358] ? __fat_remove_entries+0x4f0/0x4f0 [ 36.823463][ T358] ? ktime_get_coarse_real_ts64+0xcf/0xe0 [ 36.829152][ T358] ? new_inode+0x140/0x1d0 [ 36.833625][ T358] vfat_mkdir+0x176/0x420 [ 36.837922][ T358] ? vfat_unlink+0x3a0/0x3a0 [ 36.842496][ T358] ? generic_permission+0x13a/0x490 [ 36.847792][ T358] ? security_inode_mkdir+0xdd/0x120 [ 36.853059][ T358] vfs_mkdir+0x416/0x5f0 [ 36.857283][ T358] open_or_create_special_dir+0xba/0x150 [ 36.862895][ T358] incfs_mount_fs+0x3e9/0x840 [ 36.867555][ T358] ? incfs_unlink+0x80/0x80 [ 36.872025][ T358] ? vfs_parse_fs_param+0x2cb/0x430 [ 36.877188][ T358] ? vfs_parse_fs_string+0x1e9/0x290 [ 36.882435][ T358] ? cap_capable+0x23f/0x280 [ 36.886994][ T358] legacy_get_tree+0xde/0x170 [ 36.891659][ T358] ? incfs_unlink+0x80/0x80 [ 36.896127][ T358] vfs_get_tree+0x83/0x260 [ 36.900509][ T358] do_mount+0x19d0/0x2670 [ 36.904808][ T358] ? copy_mount_string+0x30/0x30 [ 36.909714][ T358] ? _copy_from_user+0xa4/0xe0 [ 36.914444][ T358] ? copy_mount_options+0xc9/0x300 [ 36.919519][ T358] ? ksys_mount+0x8f/0xf0 [ 36.923834][ T358] ksys_mount+0xc2/0xf0 [ 36.927959][ T358] __x64_sys_mount+0xb1/0xc0 [ 36.932518][ T358] do_syscall_64+0xcb/0x1e0 [ 36.936989][ T358] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.942846][ T358] RIP: 0033:0x444ea9 [ 36.946709][ T358] 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 [ 36.966296][ T358] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.974673][ T358] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 36.982697][ T358] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 36.990649][ T358] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 36.998597][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 executing program [ 37.006556][ T358] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000007 [ 37.016719][ T358] incfs: ino conflict with backing FS 1 [ *] A start job is running for dev-ttyS0.device (30s / 1min 30s)[ 37.094919][ T360] FAULT_INJECTION: forcing a failure. [ 37.094919][ T360] name failslab, interval 1, probability 0, space 0, times 0 [ 37.107572][ T360] CPU: 0 PID: 360 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 37.119079][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.129110][ T360] Call Trace: [ 37.132374][ T360] dump_stack+0x1d8/0x24e [ 37.136673][ T360] ? devkmsg_release+0x11c/0x11c [ 37.141582][ T360] ? __find_get_block+0xd13/0x10c0 [ 37.146668][ T360] ? show_regs_print_info+0x12/0x12 [ 37.151833][ T360] ? unwind_get_return_address+0x48/0x80 [ 37.157440][ T360] should_fail+0x6f6/0x860 [ 37.161826][ T360] ? setup_fault_attr+0x3d0/0x3d0 [ 37.166821][ T360] ? ebitmap_cmp+0x1b8/0x220 [ 37.171382][ T360] ? mls_compute_context_len+0x7dd/0x810 [ 37.176982][ T360] ? context_struct_to_string+0x43b/0x8b0 [ 37.182669][ T360] should_failslab+0x5/0x20 [ 37.187162][ T360] __kmalloc+0x5f/0x2f0 [ 37.191286][ T360] context_struct_to_string+0x43b/0x8b0 [ 37.196804][ T360] ? security_bounded_transition+0x560/0x560 [ 37.202751][ T360] ? symhash+0xe0/0xe0 [ 37.206795][ T360] ? hashtab_search+0x1bf/0x200 [ 37.211613][ T360] context_add_hash+0x13f/0x270 [ 37.216435][ T360] ? security_sid_to_context_inval+0x40/0x40 [ 37.222383][ T360] ? mls_context_isvalid+0x98/0x380 [ 37.227551][ T360] ? policydb_context_isvalid+0x1b6/0x400 [ 37.233308][ T360] security_compute_sid+0x1142/0x1d00 [ 37.238658][ T360] ? __rcu_read_lock+0x50/0x50 [ 37.243426][ T360] ? security_transition_sid+0x90/0x90 [ 37.248852][ T360] ? avc_denied+0x1c0/0x1c0 [ 37.253371][ T360] ? avc_has_perm_noaudit+0x400/0x400 [ 37.258728][ T360] ? avc_has_perm_noaudit+0x30c/0x400 [ 37.264071][ T360] security_transition_sid+0x78/0x90 [ 37.269329][ T360] may_create+0x62b/0x960 [ 37.273629][ T360] ? show_sid+0x250/0x250 [ 37.277928][ T360] ? selinux_inode_permission+0x445/0x690 [ 37.283628][ T360] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 37.289453][ T360] ? from_kgid+0x206/0x350 [ 37.293865][ T360] ? make_kgid+0x390/0x390 [ 37.298257][ T360] ? generic_permission+0x13a/0x490 [ 37.303443][ T360] security_inode_mkdir+0x96/0x120 [ 37.308525][ T360] vfs_mkdir+0x34a/0x5f0 [ 37.312737][ T360] open_or_create_special_dir+0xba/0x150 [ 37.318337][ T360] incfs_mount_fs+0x3e9/0x840 [ 37.323086][ T360] ? incfs_unlink+0x80/0x80 [ 37.327557][ T360] ? vfs_parse_fs_param+0x2cb/0x430 [ 37.332723][ T360] ? vfs_parse_fs_string+0x1e9/0x290 [ 37.337978][ T360] ? cap_capable+0x23f/0x280 [ 37.342534][ T360] legacy_get_tree+0xde/0x170 [ 37.347178][ T360] ? incfs_unlink+0x80/0x80 [ 37.351648][ T360] vfs_get_tree+0x83/0x260 [ 37.356031][ T360] do_mount+0x19d0/0x2670 [ 37.360419][ T360] ? copy_mount_string+0x30/0x30 [ 37.365345][ T360] ? _copy_from_user+0xa4/0xe0 [ 37.370100][ T360] ? copy_mount_options+0xc9/0x300 [ 37.375181][ T360] ? ksys_mount+0x8f/0xf0 [ 37.379477][ T360] ksys_mount+0xc2/0xf0 [ 37.383603][ T360] __x64_sys_mount+0xb1/0xc0 [ 37.388252][ T360] do_syscall_64+0xcb/0x1e0 [ 37.392736][ T360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.398597][ T360] RIP: 0033:0x444ea9 [ 37.402463][ T360] 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 [ 37.422036][ T360] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.430430][ T360] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 37.438389][ T360] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 37.446349][ T360] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 37.454292][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 37.462237][ T360] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000008 [ 37.471771][ T360] incfs: Can't find or create .index dir in ./file0 [ 37.481414][ T333] BUG: Dentry ffff8881e5c87cc0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0[ 37.491540][ T333] ------------[ cut here ]------------ [ 37.498324][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 37.506615][ T333] Modules linked in: [ 37.510484][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 37.521988][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.532130][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 37.537410][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 37.556989][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 37.563039][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 37.570982][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 37.578925][ T333] RBP: ffff8881ef483420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 37.586952][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 37.594893][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5c87cc0 [ 37.602838][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.611759][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.618361][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 37.626349][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.634311][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.642255][ T333] Call Trace: [ 37.645523][ T333] d_walk+0x2d9/0x540 [ 37.649562][ T333] ? __d_free+0x20/0x20 [ 37.653780][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 37.659211][ T333] generic_shutdown_super+0x63/0x2a0 [ 37.664469][ T333] kill_block_super+0x79/0xd0 [ 37.669117][ T333] deactivate_locked_super+0xaf/0x100 [ 37.674456][ T333] deactivate_super+0x1b3/0x270 [ 37.679279][ T333] ? deactivate_locked_super+0x100/0x100 [ 37.684881][ T333] ? dput+0x4de/0x5d0 [ 37.688834][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 37.694348][ T333] ? find_next_bit+0xc6/0x110 [ 37.698994][ T333] cleanup_mnt+0x432/0x4e0 [ 37.703400][ T333] task_work_run+0x186/0x1b0 [ 37.707960][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 37.713492][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.719367][ T333] RIP: 0033:0x446247 [ 37.723247][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.742908][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 37.751290][ T333] RAX: 0000000000000000 RBX: 0000000000009147 RCX: 0000000000446247 [ 37.759407][ T333] RDX: 00007ffd159dd2b9 RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 37.767357][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 37.775301][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 37.783255][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 0000000000000009 [ 37.791199][ T333] ---[ end trace c5dbeec659647b38 ]--- ;1;31m*] A s[ 37.797626][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program tart job is running for dev-ttyS0.device (31s / 1min 30s)[ 37.863024][ T364] FAULT_INJECTION: forcing a failure. [ 37.863024][ T364] name failslab, interval 1, probability 0, space 0, times 0 [ 37.875799][ T364] CPU: 0 PID: 364 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 37.887402][ T364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.897513][ T364] Call Trace: [ 37.900777][ T364] dump_stack+0x1d8/0x24e [ 37.905078][ T364] ? devkmsg_release+0x11c/0x11c [ 37.910291][ T364] ? __unwind_start+0x72f/0x8e0 [ 37.915152][ T364] ? show_regs_print_info+0x12/0x12 [ 37.920406][ T364] ? stack_trace_save+0x1f0/0x1f0 [ 37.925432][ T364] should_fail+0x6f6/0x860 [ 37.929852][ T364] ? setup_fault_attr+0x3d0/0x3d0 [ 37.934840][ T364] ? unwind_get_return_address+0x48/0x80 [ 37.940438][ T364] ? arch_stack_walk+0xf8/0x140 [ 37.945256][ T364] ? __d_alloc+0x2a/0x6a0 [ 37.949550][ T364] should_failslab+0x5/0x20 [ 37.954025][ T364] kmem_cache_alloc+0x36/0x290 [ 37.958754][ T364] __d_alloc+0x2a/0x6a0 [ 37.962874][ T364] ? stack_trace_snprint+0x150/0x150 [ 37.968124][ T364] d_alloc_parallel+0xf3/0x1350 [ 37.972944][ T364] ? avc_has_perm_noaudit+0x30c/0x400 [ 37.978281][ T364] ? avc_denied+0x1c0/0x1c0 [ 37.982754][ T364] ? ksys_mount+0xc2/0xf0 [ 37.987051][ T364] ? d_hash_and_lookup+0x1e0/0x1e0 [ 37.992145][ T364] ? __rcu_read_lock+0x50/0x50 [ 37.996886][ T364] ? selinux_inode_permission+0x445/0x690 [ 38.002571][ T364] __lookup_slow+0x14f/0x450 [ 38.007131][ T364] ? lookup_one_len+0x2c0/0x2c0 [ 38.011964][ T364] ? generic_permission+0x13a/0x490 [ 38.017228][ T364] lookup_one_len+0x17f/0x2c0 [ 38.021870][ T364] ? lookup_one_len_common+0x430/0x430 [ 38.027316][ T364] ? memcpy+0x38/0x50 [ 38.031272][ T364] incfs_lookup_dentry+0x5b/0xb0 [ 38.036174][ T364] open_or_create_special_dir+0x45/0x150 [ 38.041783][ T364] incfs_mount_fs+0x3e9/0x840 [ 38.046437][ T364] ? incfs_unlink+0x80/0x80 [ 38.050928][ T364] ? vfs_parse_fs_param+0x2cb/0x430 [ 38.056105][ T364] ? vfs_parse_fs_string+0x1e9/0x290 [ 38.061355][ T364] ? cap_capable+0x23f/0x280 [ 38.065943][ T364] legacy_get_tree+0xde/0x170 [ 38.070601][ T364] ? incfs_unlink+0x80/0x80 [ 38.075071][ T364] vfs_get_tree+0x83/0x260 [ 38.079455][ T364] do_mount+0x19d0/0x2670 [ 38.083754][ T364] ? copy_mount_string+0x30/0x30 [ 38.088665][ T364] ? _copy_from_user+0xa4/0xe0 [ 38.093395][ T364] ? copy_mount_options+0xc9/0x300 [ 38.098471][ T364] ? ksys_mount+0x8f/0xf0 [ 38.102769][ T364] ksys_mount+0xc2/0xf0 [ 38.106905][ T364] __x64_sys_mount+0xb1/0xc0 [ 38.111460][ T364] do_syscall_64+0xcb/0x1e0 [ 38.115942][ T364] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.121804][ T364] RIP: 0033:0x444ea9 [ 38.125670][ T364] 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 [ 38.145261][ T364] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.153652][ T364] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 38.161633][ T364] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 38.169585][ T364] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 38.177811][ T364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.185761][ T364] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 0000000000000009 [ 38.194752][ T364] incfs_lookup_dentry err:-12 [ 38.199739][ T364] incfs: Can't find or create .index dir in ./file0 executing program [ ***] A start job is running for dev-ttyS0.device (31s / 1min 30s)[ 38.260963][ T366] FAULT_INJECTION: forcing a failure. [ 38.260963][ T366] name failslab, interval 1, probability 0, space 0, times 0 [ 38.273589][ T366] CPU: 0 PID: 366 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 38.285103][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.295175][ T366] Call Trace: [ 38.298439][ T366] dump_stack+0x1d8/0x24e [ 38.302737][ T366] ? devkmsg_release+0x11c/0x11c [ 38.307707][ T366] ? __find_get_block+0xd13/0x10c0 [ 38.312786][ T366] ? show_regs_print_info+0x12/0x12 [ 38.317951][ T366] ? unwind_get_return_address+0x48/0x80 [ 38.323559][ T366] should_fail+0x6f6/0x860 [ 38.327944][ T366] ? setup_fault_attr+0x3d0/0x3d0 [ 38.332935][ T366] ? ebitmap_cmp+0x1b8/0x220 [ 38.337493][ T366] ? mls_compute_context_len+0x7dd/0x810 [ 38.343088][ T366] ? context_struct_to_string+0x43b/0x8b0 [ 38.348774][ T366] should_failslab+0x5/0x20 [ 38.353242][ T366] __kmalloc+0x5f/0x2f0 [ 38.357364][ T366] context_struct_to_string+0x43b/0x8b0 [ 38.362876][ T366] ? security_bounded_transition+0x560/0x560 [ 38.368873][ T366] ? symhash+0xe0/0xe0 [ 38.372906][ T366] ? hashtab_search+0x1bf/0x200 [ 38.377767][ T366] context_add_hash+0x13f/0x270 [ 38.382585][ T366] ? security_sid_to_context_inval+0x40/0x40 [ 38.388529][ T366] ? mls_context_isvalid+0x98/0x380 [ 38.393693][ T366] ? policydb_context_isvalid+0x1b6/0x400 [ 38.399380][ T366] security_compute_sid+0x1142/0x1d00 [ 38.404717][ T366] ? __rcu_read_lock+0x50/0x50 [ 38.409447][ T366] ? security_transition_sid+0x90/0x90 [ 38.414869][ T366] ? avc_denied+0x1c0/0x1c0 [ 38.419343][ T366] ? avc_has_perm_noaudit+0x400/0x400 [ 38.424680][ T366] ? avc_has_perm_noaudit+0x30c/0x400 [ 38.430016][ T366] security_transition_sid+0x78/0x90 [ 38.435379][ T366] may_create+0x62b/0x960 [ 38.439677][ T366] ? show_sid+0x250/0x250 [ 38.443976][ T366] ? selinux_inode_permission+0x445/0x690 [ 38.449660][ T366] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 38.455430][ T366] ? from_kgid+0x206/0x350 [ 38.459811][ T366] ? make_kgid+0x390/0x390 [ 38.464193][ T366] ? generic_permission+0x13a/0x490 [ 38.469374][ T366] security_inode_mkdir+0x96/0x120 [ 38.474453][ T366] vfs_mkdir+0x34a/0x5f0 [ 38.478663][ T366] open_or_create_special_dir+0xba/0x150 [ 38.484259][ T366] incfs_mount_fs+0x3e9/0x840 [ 38.488902][ T366] ? incfs_unlink+0x80/0x80 [ 38.493384][ T366] ? vfs_parse_fs_param+0x2cb/0x430 [ 38.498545][ T366] ? vfs_parse_fs_string+0x1e9/0x290 [ 38.503798][ T366] ? cap_capable+0x23f/0x280 [ 38.508362][ T366] legacy_get_tree+0xde/0x170 [ 38.513007][ T366] ? incfs_unlink+0x80/0x80 [ 38.517476][ T366] vfs_get_tree+0x83/0x260 [ 38.521873][ T366] do_mount+0x19d0/0x2670 [ 38.526182][ T366] ? copy_mount_string+0x30/0x30 [ 38.531086][ T366] ? _copy_from_user+0xa4/0xe0 [ 38.535813][ T366] ? copy_mount_options+0xc9/0x300 [ 38.540889][ T366] ? ksys_mount+0x8f/0xf0 [ 38.545371][ T366] ksys_mount+0xc2/0xf0 [ 38.549530][ T366] __x64_sys_mount+0xb1/0xc0 [ 38.554096][ T366] do_syscall_64+0xcb/0x1e0 [ 38.558571][ T366] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.564431][ T366] RIP: 0033:0x444ea9 [ 38.568303][ T366] 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 [ 38.587888][ T366] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.596267][ T366] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 38.604206][ T366] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 38.612180][ T366] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 38.620124][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.628062][ T366] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000a [ 38.637346][ T366] incfs: Can't find or create .index dir in ./file0 [ 38.646778][ T333] BUG: Dentry ffff8881e5c84cc0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0;1[ 38.656647][ T333] ------------[ cut here ]------------ ;31m*[ 38.663448][ T333] WARNING: CPU: 0 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 38.673128][ T333] Modules linked in: [ 38.677005][ T333] CPU: 0 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 * ] A start [ 38.688516][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.699945][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 38.705209][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 job is running f[ 38.724796][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 38.732258][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 or dev-ttyS0.dev[ 38.740209][ T333] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 38.749537][ T333] RBP: ffff8881f0ab6420 R08: ffffffff814e90a7 R09: ffffed103edc9608 [ 38.757487][ T333] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 38.765437][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5c84cc0 [ 38.773388][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 ice (32s / 1min [ 38.782294][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.790249][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406f0 [ 38.798201][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 30s)[ 38.806179][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.814466][ T333] Call Trace: [ 38.817733][ T333] d_walk+0x2d9/0x540 [ 38.821688][ T333] ? __d_free+0x20/0x20 [ 38.825821][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 38.831246][ T333] generic_shutdown_super+0x63/0x2a0 [ 38.836498][ T333] kill_block_super+0x79/0xd0 [ 38.841138][ T333] deactivate_locked_super+0xaf/0x100 [ 38.846473][ T333] deactivate_super+0x1b3/0x270 [ 38.851287][ T333] ? deactivate_locked_super+0x100/0x100 [ 38.856881][ T333] ? dput+0x4de/0x5d0 [ 38.860847][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 38.866357][ T333] ? find_next_bit+0xc6/0x110 [ 38.870996][ T333] cleanup_mnt+0x432/0x4e0 [ 38.875377][ T333] task_work_run+0x186/0x1b0 [ 38.879928][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 38.885436][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.891292][ T333] RIP: 0033:0x446247 [ 38.895159][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.914738][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 38.923112][ T333] RAX: 0000000000000000 RBX: 00000000000095d9 RCX: 0000000000446247 [ 38.931081][ T333] RDX: 00007ffd159dd2ba RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 38.939018][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 38.946952][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 38.954887][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 000000000000000b executing program [ 38.962844][ T333] ---[ end trace c5dbeec659647b39 ]--- [ 38.974024][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 39.000838][ T369] FAULT_INJECTION: forcing a failure. [ 39.000838][ T369] name failslab, interval 1, probability 0, space 0, times 0 [ 39.013546][ T369] CPU: 0 PID: 369 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 39.025060][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.035087][ T369] Call Trace: [ 39.038350][ T369] dump_stack+0x1d8/0x24e [ 39.042647][ T369] ? devkmsg_release+0x11c/0x11c [ 39.047547][ T369] ? __unwind_start+0x72f/0x8e0 [ 39.052367][ T369] ? show_regs_print_info+0x12/0x12 [ 39.057530][ T369] ? stack_trace_save+0x1f0/0x1f0 [ 39.062525][ T369] should_fail+0x6f6/0x860 [ 39.067025][ T369] ? setup_fault_attr+0x3d0/0x3d0 [ 39.072026][ T369] ? unwind_get_return_address+0x48/0x80 [ 39.077626][ T369] ? arch_stack_walk+0xf8/0x140 [ 39.082440][ T369] ? __d_alloc+0x2a/0x6a0 [ 39.086736][ T369] should_failslab+0x5/0x20 [ 39.091208][ T369] kmem_cache_alloc+0x36/0x290 [ 39.096051][ T369] __d_alloc+0x2a/0x6a0 [ 39.100177][ T369] ? stack_trace_snprint+0x150/0x150 [ 39.105434][ T369] d_alloc_parallel+0xf3/0x1350 [ 39.110255][ T369] ? avc_has_perm_noaudit+0x30c/0x400 [ 39.115595][ T369] ? avc_denied+0x1c0/0x1c0 [ 39.120062][ T369] ? ksys_mount+0xc2/0xf0 [ 39.124356][ T369] ? d_hash_and_lookup+0x1e0/0x1e0 [ 39.129458][ T369] ? __rcu_read_lock+0x50/0x50 [ 39.134202][ T369] ? selinux_inode_permission+0x445/0x690 [ 39.139887][ T369] __lookup_slow+0x14f/0x450 [ 39.144447][ T369] ? lookup_one_len+0x2c0/0x2c0 [ 39.149271][ T369] ? generic_permission+0x13a/0x490 [ 39.154457][ T369] lookup_one_len+0x17f/0x2c0 [ 39.159122][ T369] ? lookup_one_len_common+0x430/0x430 [ 39.164548][ T369] ? memcpy+0x38/0x50 [ 39.168495][ T369] incfs_lookup_dentry+0x5b/0xb0 [ 39.173400][ T369] open_or_create_special_dir+0x45/0x150 [ 39.179003][ T369] incfs_mount_fs+0x3e9/0x840 [ 39.183649][ T369] ? incfs_unlink+0x80/0x80 [ 39.188116][ T369] ? vfs_parse_fs_param+0x2cb/0x430 [ 39.193278][ T369] ? vfs_parse_fs_string+0x1e9/0x290 [ 39.198533][ T369] ? cap_capable+0x23f/0x280 [ 39.203106][ T369] legacy_get_tree+0xde/0x170 [ 39.207752][ T369] ? incfs_unlink+0x80/0x80 [ 39.212222][ T369] vfs_get_tree+0x83/0x260 [ 39.216613][ T369] do_mount+0x19d0/0x2670 [ 39.220915][ T369] ? copy_mount_string+0x30/0x30 [ 39.225819][ T369] ? _copy_from_user+0xa4/0xe0 [ 39.230550][ T369] ? copy_mount_options+0xc9/0x300 [ 39.235652][ T369] ? ksys_mount+0x8f/0xf0 [ 39.239957][ T369] ksys_mount+0xc2/0xf0 [ 39.244082][ T369] __x64_sys_mount+0xb1/0xc0 [ 39.248645][ T369] do_syscall_64+0xcb/0x1e0 [ 39.253127][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.258989][ T369] RIP: 0033:0x444ea9 [ 39.262853][ T369] 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 [ 39.282426][ T369] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.290925][ T369] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 39.298867][ T369] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 39.306804][ T369] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 executing program [ 39.314745][ T369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 39.322692][ T369] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000b [ 39.331178][ T369] incfs_lookup_dentry err:-12 [ 39.335899][ T369] incfs: Can't find or create .index dir in ./file0 [ *** ] A start job is running for dev-ttyS0.device (32s / 1min 30s)[ 39.390529][ T373] FAULT_INJECTION: forcing a failure. [ 39.390529][ T373] name failslab, interval 1, probability 0, space 0, times 0 [ 39.403156][ T373] CPU: 1 PID: 373 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 39.414663][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.424697][ T373] Call Trace: [ 39.427957][ T373] dump_stack+0x1d8/0x24e [ 39.432314][ T373] ? devkmsg_release+0x11c/0x11c [ 39.437233][ T373] ? show_regs_print_info+0x12/0x12 [ 39.442395][ T373] ? check_preemption_disabled+0x9e/0x330 [ 39.448078][ T373] ? __rcu_read_lock+0x50/0x50 [ 39.452822][ T373] ? __unwind_start+0x72f/0x8e0 [ 39.457666][ T373] should_fail+0x6f6/0x860 [ 39.462056][ T373] ? setup_fault_attr+0x3d0/0x3d0 [ 39.467049][ T373] ? __rcu_read_lock+0x50/0x50 [ 39.471785][ T373] ? stack_trace_save+0x1f0/0x1f0 [ 39.476777][ T373] ? xas_load+0x493/0x4f0 [ 39.481073][ T373] ? mempool_alloc_slab+0x16/0x20 [ 39.486061][ T373] should_failslab+0x5/0x20 [ 39.490533][ T373] kmem_cache_alloc+0x36/0x290 [ 39.495280][ T373] ? find_get_entry+0x5be/0x650 [ 39.500156][ T373] ? mempool_free+0x380/0x380 [ 39.504818][ T373] mempool_alloc_slab+0x16/0x20 [ 39.509638][ T373] mempool_alloc+0x113/0x680 [ 39.514211][ T373] ? check_preemption_disabled+0x154/0x330 [ 39.519982][ T373] ? mempool_resize+0x900/0x900 [ 39.524802][ T373] bio_alloc_bioset+0x1db/0x640 [ 39.529622][ T373] ? write_boundary_block+0x150/0x150 [ 39.534962][ T373] ? bio_chain_endio+0x110/0x110 [ 39.539867][ T373] ? preempt_schedule_irq+0xef/0x140 [ 39.545118][ T373] submit_bh_wbc+0x1ba/0x790 [ 39.549674][ T373] ? retint_kernel+0x1b/0x1b [ 39.554230][ T373] __bread_gfp+0x181/0x310 [ 39.558612][ T373] fat12_ent_bread+0x152/0x4f0 [ 39.563339][ T373] ? fat12_ent_blocknr+0xa8/0x1e0 [ 39.568329][ T373] ? fat12_ent_set_ptr+0x250/0x250 [ 39.573406][ T373] fat_alloc_clusters+0x755/0x14d0 [ 39.578491][ T373] ? fat_mirror_bhs+0x4d0/0x4d0 [ 39.583306][ T373] ? memset+0x1f/0x40 [ 39.587257][ T373] ? avc_has_perm_noaudit+0x30c/0x400 [ 39.592594][ T373] ? avc_denied+0x1c0/0x1c0 [ 39.597063][ T373] fat_alloc_new_dir+0x19e/0xd70 [ 39.601967][ T373] ? avc_has_perm+0x173/0x270 [ 39.606608][ T373] ? __fat_remove_entries+0x4f0/0x4f0 [ 39.611944][ T373] ? ktime_get_coarse_real_ts64+0xcf/0xe0 [ 39.617628][ T373] ? new_inode+0x140/0x1d0 [ 39.622017][ T373] vfat_mkdir+0x176/0x420 [ 39.626341][ T373] ? vfat_unlink+0x3a0/0x3a0 [ 39.630905][ T373] ? generic_permission+0x13a/0x490 [ 39.636089][ T373] ? security_inode_mkdir+0xdd/0x120 [ 39.641348][ T373] vfs_mkdir+0x416/0x5f0 [ 39.645566][ T373] open_or_create_special_dir+0xba/0x150 [ 39.651168][ T373] incfs_mount_fs+0x3e9/0x840 [ 39.655812][ T373] ? incfs_unlink+0x80/0x80 [ 39.660307][ T373] ? vfs_parse_fs_param+0x2cb/0x430 [ 39.665472][ T373] ? vfs_parse_fs_string+0x1e9/0x290 [ 39.670735][ T373] ? cap_capable+0x23f/0x280 [ 39.675318][ T373] legacy_get_tree+0xde/0x170 [ 39.679961][ T373] ? incfs_unlink+0x80/0x80 [ 39.684448][ T373] vfs_get_tree+0x83/0x260 [ 39.688832][ T373] do_mount+0x19d0/0x2670 [ 39.693127][ T373] ? copy_mount_string+0x30/0x30 [ 39.698032][ T373] ? _copy_from_user+0xa4/0xe0 [ 39.702792][ T373] ? copy_mount_options+0xc9/0x300 [ 39.707884][ T373] ? ksys_mount+0x8f/0xf0 [ 39.712195][ T373] ksys_mount+0xc2/0xf0 [ 39.716320][ T373] __x64_sys_mount+0xb1/0xc0 [ 39.720985][ T373] do_syscall_64+0xcb/0x1e0 [ 39.725476][ T373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.731352][ T373] RIP: 0033:0x444ea9 [ 39.735215][ T373] 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 [ 39.754787][ T373] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.763165][ T373] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 39.771108][ T373] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 39.779048][ T373] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 executing program [ 39.787075][ T373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 39.795020][ T373] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000c [ 39.806228][ T373] incfs: ino conflict with backing FS 1 [*** ] A start job is running for dev-ttyS0.device (33s / 1min 30s)[ 39.854371][ T376] FAULT_INJECTION: forcing a failure. [ 39.854371][ T376] name failslab, interval 1, probability 0, space 0, times 0 [ 39.867253][ T376] CPU: 0 PID: 376 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 39.878759][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.888792][ T376] Call Trace: [ 39.892052][ T376] dump_stack+0x1d8/0x24e [ 39.896439][ T376] ? devkmsg_release+0x11c/0x11c [ 39.901349][ T376] ? __find_get_block+0xd13/0x10c0 [ 39.906476][ T376] ? show_regs_print_info+0x12/0x12 [ 39.911643][ T376] ? unwind_get_return_address+0x48/0x80 [ 39.917245][ T376] should_fail+0x6f6/0x860 [ 39.921629][ T376] ? setup_fault_attr+0x3d0/0x3d0 [ 39.926639][ T376] ? ebitmap_cmp+0x1b8/0x220 [ 39.931194][ T376] ? mls_compute_context_len+0x7dd/0x810 [ 39.936885][ T376] ? context_struct_to_string+0x43b/0x8b0 [ 39.942581][ T376] should_failslab+0x5/0x20 [ 39.947063][ T376] __kmalloc+0x5f/0x2f0 [ 39.951198][ T376] context_struct_to_string+0x43b/0x8b0 [ 39.956716][ T376] ? security_bounded_transition+0x560/0x560 [ 39.962749][ T376] ? symhash+0xe0/0xe0 [ 39.966785][ T376] ? hashtab_search+0x1bf/0x200 [ 39.971608][ T376] context_add_hash+0x13f/0x270 [ 39.976436][ T376] ? security_sid_to_context_inval+0x40/0x40 [ 39.982388][ T376] ? mls_context_isvalid+0x98/0x380 [ 39.987686][ T376] ? policydb_context_isvalid+0x1b6/0x400 [ 39.993373][ T376] security_compute_sid+0x1142/0x1d00 [ 39.998717][ T376] ? __rcu_read_lock+0x50/0x50 [ 40.003535][ T376] ? security_transition_sid+0x90/0x90 [ 40.008973][ T376] ? avc_denied+0x1c0/0x1c0 [ 40.013534][ T376] ? avc_has_perm_noaudit+0x400/0x400 [ 40.018915][ T376] ? avc_has_perm_noaudit+0x30c/0x400 [ 40.024260][ T376] security_transition_sid+0x78/0x90 [ 40.029516][ T376] may_create+0x62b/0x960 [ 40.033815][ T376] ? show_sid+0x250/0x250 [ 40.038114][ T376] ? selinux_inode_permission+0x445/0x690 [ 40.043805][ T376] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 40.049581][ T376] ? from_kgid+0x206/0x350 [ 40.053965][ T376] ? make_kgid+0x390/0x390 [ 40.058349][ T376] ? generic_permission+0x13a/0x490 [ 40.063514][ T376] security_inode_mkdir+0x96/0x120 [ 40.068597][ T376] vfs_mkdir+0x34a/0x5f0 [ 40.072813][ T376] open_or_create_special_dir+0xba/0x150 [ 40.078410][ T376] incfs_mount_fs+0x3e9/0x840 [ 40.083071][ T376] ? incfs_unlink+0x80/0x80 [ 40.087630][ T376] ? vfs_parse_fs_param+0x2cb/0x430 [ 40.092794][ T376] ? vfs_parse_fs_string+0x1e9/0x290 [ 40.098046][ T376] ? cap_capable+0x23f/0x280 [ 40.102607][ T376] legacy_get_tree+0xde/0x170 [ 40.107266][ T376] ? incfs_unlink+0x80/0x80 [ 40.111738][ T376] vfs_get_tree+0x83/0x260 [ 40.116135][ T376] do_mount+0x19d0/0x2670 [ 40.120494][ T376] ? copy_mount_string+0x30/0x30 [ 40.125437][ T376] ? _copy_from_user+0xa4/0xe0 [ 40.130180][ T376] ? copy_mount_options+0xc9/0x300 [ 40.135256][ T376] ? ksys_mount+0x8f/0xf0 [ 40.139577][ T376] ksys_mount+0xc2/0xf0 [ 40.143717][ T376] __x64_sys_mount+0xb1/0xc0 [ 40.148384][ T376] do_syscall_64+0xcb/0x1e0 [ 40.152859][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.158740][ T376] RIP: 0033:0x444ea9 [ 40.162702][ T376] 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 [ 40.182276][ T376] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.190666][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 40.198620][ T376] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 40.206575][ T376] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 40.214517][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 40.222468][ T376] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000d [ 40.231661][ T376] incfs: Can't find or create .index dir in ./file0 [*[ 40.241661][ T333] BUG: Dentry ffff8881ecbd5220{i=0,n=.index} still in use (1) [unmount of vfat loop0] [0m* [ 40.252642][ T333] ------------[ cut here ]------------ [ 40.259403][ T333] WARNING: CPU: 0 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 40.267699][ T333] Modules linked in: [ 40.271579][ T333] CPU: 0 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [0m] A start job[ 40.283095][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.294520][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 40.299794][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 40.319390][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 40.325447][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 is running for [ 40.333402][ T333] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 40.342739][ T333] RBP: ffff8881f0ab4420 R08: ffffffff814e90a7 R09: ffffed103edc9608 dev-ttyS0.device[ 40.350691][ T333] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 40.360021][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbd5220 [ 40.367978][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 (33s / 1min 30s[ 40.376881][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.384823][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406f0 [ 40.392791][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 )[ 40.400745][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.408768][ T333] Call Trace: [ 40.412044][ T333] d_walk+0x2d9/0x540 [ 40.416089][ T333] ? __d_free+0x20/0x20 [ 40.420229][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 40.425669][ T333] generic_shutdown_super+0x63/0x2a0 [ 40.430919][ T333] kill_block_super+0x79/0xd0 [ 40.435564][ T333] deactivate_locked_super+0xaf/0x100 [ 40.440902][ T333] deactivate_super+0x1b3/0x270 [ 40.445745][ T333] ? deactivate_locked_super+0x100/0x100 [ 40.451429][ T333] ? dput+0x4de/0x5d0 [ 40.455380][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 40.460899][ T333] ? find_next_bit+0xc6/0x110 [ 40.465543][ T333] cleanup_mnt+0x432/0x4e0 [ 40.470016][ T333] task_work_run+0x186/0x1b0 [ 40.474590][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 40.480113][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.485985][ T333] RIP: 0033:0x446247 [ 40.489848][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.509419][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 40.517809][ T333] RAX: 0000000000000000 RBX: 0000000000009c11 RCX: 0000000000446247 [ 40.525920][ T333] RDX: 00007ffd159dd2ba RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 40.534295][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 40.542320][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 40.550258][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 000000000000000e [ 40.558198][ T333] ---[ end trace c5dbeec659647b3a ]--- [ 40.569376][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 40.650004][ T378] FAULT_INJECTION: forcing a failure. [ 40.650004][ T378] name failslab, interval 1, probability 0, space 0, times 0 [ 40.662629][ T378] CPU: 0 PID: 378 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 40.674144][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.684217][ T378] Call Trace: [ 40.687576][ T378] dump_stack+0x1d8/0x24e [ 40.691877][ T378] ? devkmsg_release+0x11c/0x11c [ 40.696819][ T378] ? __find_get_block+0xd13/0x10c0 [ 40.701902][ T378] ? show_regs_print_info+0x12/0x12 [ 40.707066][ T378] ? unwind_get_return_address+0x48/0x80 [ 40.712690][ T378] should_fail+0x6f6/0x860 [ 40.717073][ T378] ? setup_fault_attr+0x3d0/0x3d0 [ 40.722064][ T378] ? ebitmap_cmp+0x1b8/0x220 [ 40.726624][ T378] ? mls_compute_context_len+0x7dd/0x810 [ 40.732222][ T378] ? context_struct_to_string+0x43b/0x8b0 [ 40.737910][ T378] should_failslab+0x5/0x20 [ 40.742381][ T378] __kmalloc+0x5f/0x2f0 [ 40.746528][ T378] context_struct_to_string+0x43b/0x8b0 [ 40.752043][ T378] ? security_bounded_transition+0x560/0x560 [ 40.757989][ T378] ? symhash+0xe0/0xe0 [ 40.762026][ T378] ? hashtab_search+0x1bf/0x200 [ 40.766859][ T378] context_add_hash+0x13f/0x270 [ 40.771690][ T378] ? security_sid_to_context_inval+0x40/0x40 [ 40.777635][ T378] ? mls_context_isvalid+0x98/0x380 [ 40.782807][ T378] ? policydb_context_isvalid+0x1b6/0x400 [ 40.788493][ T378] security_compute_sid+0x1142/0x1d00 [ 40.793835][ T378] ? __rcu_read_lock+0x50/0x50 [ 40.798584][ T378] ? security_transition_sid+0x90/0x90 [ 40.804008][ T378] ? avc_denied+0x1c0/0x1c0 [ 40.808480][ T378] ? avc_has_perm_noaudit+0x400/0x400 [ 40.813966][ T378] ? avc_has_perm_noaudit+0x30c/0x400 [ 40.819311][ T378] security_transition_sid+0x78/0x90 [ 40.824564][ T378] may_create+0x62b/0x960 [ 40.828864][ T378] ? show_sid+0x250/0x250 [ 40.833161][ T378] ? selinux_inode_permission+0x445/0x690 [ 40.838856][ T378] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 40.844630][ T378] ? from_kgid+0x206/0x350 [ 40.849033][ T378] ? make_kgid+0x390/0x390 [ 40.853544][ T378] ? generic_permission+0x13a/0x490 [ 40.858710][ T378] security_inode_mkdir+0x96/0x120 [ 40.863789][ T378] vfs_mkdir+0x34a/0x5f0 [ 40.868043][ T378] open_or_create_special_dir+0xba/0x150 [ 40.873668][ T378] incfs_mount_fs+0x3e9/0x840 [ 40.878400][ T378] ? incfs_unlink+0x80/0x80 [ 40.882890][ T378] ? vfs_parse_fs_param+0x2cb/0x430 [ 40.888055][ T378] ? vfs_parse_fs_string+0x1e9/0x290 [ 40.893308][ T378] ? cap_capable+0x23f/0x280 [ 40.897863][ T378] legacy_get_tree+0xde/0x170 [ 40.902505][ T378] ? incfs_unlink+0x80/0x80 [ 40.906975][ T378] vfs_get_tree+0x83/0x260 [ 40.911357][ T378] do_mount+0x19d0/0x2670 [ 40.915665][ T378] ? copy_mount_string+0x30/0x30 [ 40.920586][ T378] ? _copy_from_user+0xa4/0xe0 [ 40.925315][ T378] ? copy_mount_options+0xc9/0x300 [ 40.930391][ T378] ? ksys_mount+0x8f/0xf0 [ 40.934686][ T378] ksys_mount+0xc2/0xf0 [ 40.938826][ T378] __x64_sys_mount+0xb1/0xc0 [ 40.943384][ T378] do_syscall_64+0xcb/0x1e0 [ 40.947860][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.953721][ T378] RIP: 0033:0x444ea9 [ 40.957586][ T378] 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 [ 40.977174][ T378] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.985637][ T378] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 40.993581][ T378] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 41.001532][ T378] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 41.001536][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 41.001540][ T378] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000e [ 41.013162][ T378] incfs: Can't find or create .index dir in ./file0 [* ] A start [ 41.034969][ T333] BUG: Dentry ffff8881ecbf5550{i=0,n=.index} still in use (1) [unmount of vfat loop0] job is running f[ 41.045528][ T333] ------------[ cut here ]------------ [ 41.052287][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 41.060591][ T333] Modules linked in: [ 41.064463][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 41.075985][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.086017][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 41.091271][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 41.111015][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 41.117064][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 41.125032][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 41.133060][ T333] RBP: ffff8881f50f4420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 41.141017][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 41.149162][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbf5550 [ 41.157104][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 41.166000][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.172757][ T333] CR2: 00007ffd159dcf98 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 41.180699][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.188638][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.196727][ T333] Call Trace: [ 41.200010][ T333] d_walk+0x2d9/0x540 [ 41.204009][ T333] ? __d_free+0x20/0x20 [ 41.208141][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 41.213588][ T333] generic_shutdown_super+0x63/0x2a0 [ 41.218859][ T333] kill_block_super+0x79/0xd0 [ 41.223617][ T333] deactivate_locked_super+0xaf/0x100 [ 41.228957][ T333] deactivate_super+0x1b3/0x270 [ 41.233782][ T333] ? deactivate_locked_super+0x100/0x100 [ 41.239498][ T333] ? dput+0x4de/0x5d0 [ 41.243459][ T333] ? _raw_spin_lock_irqsave+0x210/0x210 [ 41.248975][ T333] ? find_next_bit+0xc6/0x110 [ 41.253624][ T333] cleanup_mnt+0x432/0x4e0 [ 41.258011][ T333] task_work_run+0x186/0x1b0 [ 41.262654][ T333] prepare_exit_to_usermode+0x2b0/0x310 [ 41.268237][ T333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.274104][ T333] RIP: 0033:0x446247 [ 41.277971][ T333] Code: 06 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 41.297588][ T333] RSP: 002b:00007ffd159dd1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 41.305972][ T333] RAX: 0000000000000000 RBX: 0000000000009f2f RCX: 0000000000446247 [ 41.313916][ T333] RDX: 00007ffd159dd2ba RSI: 0000000000000002 RDI: 00007ffd159dd2b0 [ 41.321854][ T333] RBP: 00007ffd159dd2b0 R08: 00000000ffffffff R09: 00007ffd159dd090 [ 41.329797][ T333] R10: 0000000001c73663 R11: 0000000000000202 R12: 00007ffd159de330 [ 41.337738][ T333] R13: 0000000001c735f0 R14: 00007ffd159dd220 R15: 000000000000000f [ 41.345678][ T333] ---[ end trace c5dbeec659647b3b ]--- executing program or dev-ttyS0.dev[ 41.351586][ T333] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... ice (34s / 1min 30s)[ 41.407955][ T382] FAULT_INJECTION: forcing a failure. [ 41.407955][ T382] name failslab, interval 1, probability 0, space 0, times 0 [ 41.420587][ T382] CPU: 0 PID: 382 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 41.432204][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.442231][ T382] Call Trace: [ 41.445495][ T382] dump_stack+0x1d8/0x24e [ 41.449792][ T382] ? devkmsg_release+0x11c/0x11c [ 41.454733][ T382] ? __find_get_block+0xd13/0x10c0 [ 41.459821][ T382] ? show_regs_print_info+0x12/0x12 [ 41.464988][ T382] ? unwind_get_return_address+0x48/0x80 [ 41.470588][ T382] should_fail+0x6f6/0x860 [ 41.474975][ T382] ? setup_fault_attr+0x3d0/0x3d0 [ 41.479965][ T382] ? ebitmap_cmp+0x1b8/0x220 [ 41.484529][ T382] ? mls_compute_context_len+0x7dd/0x810 [ 41.490140][ T382] ? context_struct_to_string+0x43b/0x8b0 [ 41.495854][ T382] should_failslab+0x5/0x20 [ 41.500327][ T382] __kmalloc+0x5f/0x2f0 [ 41.504453][ T382] context_struct_to_string+0x43b/0x8b0 [ 41.509966][ T382] ? security_bounded_transition+0x560/0x560 [ 41.515911][ T382] ? symhash+0xe0/0xe0 [ 41.519958][ T382] ? hashtab_search+0x1bf/0x200 [ 41.524779][ T382] context_add_hash+0x13f/0x270 [ 41.529596][ T382] ? security_sid_to_context_inval+0x40/0x40 [ 41.535541][ T382] ? mls_context_isvalid+0x98/0x380 [ 41.540704][ T382] ? policydb_context_isvalid+0x1b6/0x400 [ 41.546400][ T382] security_compute_sid+0x1142/0x1d00 [ 41.551736][ T382] ? __rcu_read_lock+0x50/0x50 [ 41.556474][ T382] ? security_transition_sid+0x90/0x90 [ 41.561895][ T382] ? avc_denied+0x1c0/0x1c0 [ 41.566364][ T382] ? avc_has_perm_noaudit+0x400/0x400 [ 41.571700][ T382] ? avc_has_perm_noaudit+0x30c/0x400 [ 41.577038][ T382] security_transition_sid+0x78/0x90 [ 41.582291][ T382] may_create+0x62b/0x960 [ 41.586587][ T382] ? show_sid+0x250/0x250 [ 41.590880][ T382] ? selinux_inode_permission+0x445/0x690 [ 41.596576][ T382] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 41.602344][ T382] ? from_kgid+0x206/0x350 [ 41.606726][ T382] ? make_kgid+0x390/0x390 [ 41.611107][ T382] ? generic_permission+0x13a/0x490 [ 41.616277][ T382] security_inode_mkdir+0x96/0x120 [ 41.621352][ T382] vfs_mkdir+0x34a/0x5f0 [ 41.625597][ T382] open_or_create_special_dir+0xba/0x150 [ 41.631193][ T382] incfs_mount_fs+0x3e9/0x840 [ 41.635837][ T382] ? incfs_unlink+0x80/0x80 [ 41.640313][ T382] ? vfs_parse_fs_param+0x2cb/0x430 [ 41.645479][ T382] ? vfs_parse_fs_string+0x1e9/0x290 [ 41.650727][ T382] ? cap_capable+0x23f/0x280 [ 41.655283][ T382] legacy_get_tree+0xde/0x170 [ 41.659939][ T382] ? incfs_unlink+0x80/0x80 [ 41.664502][ T382] vfs_get_tree+0x83/0x260 [ 41.668889][ T382] do_mount+0x19d0/0x2670 [ 41.673191][ T382] ? copy_mount_string+0x30/0x30 [ 41.678099][ T382] ? _copy_from_user+0xa4/0xe0 [ 41.682830][ T382] ? copy_mount_options+0xc9/0x300 [ 41.687909][ T382] ? ksys_mount+0x8f/0xf0 [ 41.692206][ T382] ksys_mount+0xc2/0xf0 [ 41.696329][ T382] __x64_sys_mount+0xb1/0xc0 [ 41.700889][ T382] do_syscall_64+0xcb/0x1e0 [ 41.705364][ T382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.711223][ T382] RIP: 0033:0x444ea9 [ 41.715101][ T382] 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 [ 41.734685][ T382] RSP: 002b:00007ffd159de2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 41.743256][ T382] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 41.751198][ T382] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080 [ 41.759143][ T382] RBP: 00007ffd159de310 R08: 0000000000000000 R09: 00007ffd159de320 [ 41.767084][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 41.775111][ T382] R13: 00007ffd159de350 R14: 00007ffd159de330 R15: 000000000000000f [ 41.784533][ T382] incfs: Can't find or create .index dir in ./file0 [** [ 41.796370][ T333] BUG: Dentry ffff8881e5c2dee0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [0m] A start job[ 41.807266][ T333] ------------[ cut here ]------------ [ 41.814089][ T333] WARNING: CPU: 1 PID: 333 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 41.822383][ T333] Modules linked in: [ 41.826274][ T333] CPU: 1 PID: 333 Comm: syz-executor145 Tainted: G W 5.4.125-syzkaller-00243-geaef435f4357 #0 [ 41.837775][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.847806][ T333] RIP: 0010:umount_check+0x179/0x1c0 [ 41.853077][ T333] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 41.872756][ T333] RSP: 0018:ffff8881e9927c58 EFLAGS: 00010282 [ 41.878798][ T333] RAX: 0000000000000054 RBX: ffffffff85fc5d00 RCX: 25ec3665ae301500 [ 41.886756][ T333] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 41.894697][ T333] RBP: ffff8881f50f1420 R08: ffffffff814e90a7 R09: ffffed103ede9608 [ 41.902655][ T333] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 41.910596][ T333] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5c2dee0 [ 41.918714][ T333] FS: 0000000001c72300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 41.927697][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.934251][ T333] CR2: 00007f64c35c8000 CR3: 00000001e5886000 CR4: 00000000001406e0 [ 41.942338][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.950281][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.958267][ T333] Call Trace: [ 41.961550][ T333] d_walk+0x2d9/0x540 [ 41.965601][ T333] ? __d_free+0x20/0x20 [ 41.969722][ T333] shrink_dcache_for_umount+0x8a/0x1a0 [ 41.975149][ T333] generic_shutdown_super+0x63/0x2a0 [ 41.980403][ T333] kill_block_super+0x79/0xd0 [ 41.985061][ T333] deactivate_locked_super+0xaf/0x100 [ 41.990399][ T333] deactivate_super+0x1b3/0x270 [ 41.995851][ T333] ? deactivate_locked_super+0x100/0x100 [ 42.001464][ T333] ? dput+0x4de/0x5d0