Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program [ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (14s / 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)[ 23.170054][ T22] audit: type=1400 audit(1622280287.652:8): avc: denied { execmem } for pid=334 comm="syz-executor513" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 23.193660][ T335] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 23.204992][ T335] FAULT_INJECTION: forcing a failure. [ 23.204992][ T335] name failslab, interval 1, probability 0, space 0, times 1 [ 23.217803][ T335] CPU: 0 PID: 335 Comm: syz-executor513 Not tainted 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 23.227948][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.238104][ T335] Call Trace: [ 23.241375][ T335] dump_stack+0x1d8/0x24e [ 23.245678][ T335] ? devkmsg_release+0x11c/0x11c [ 23.250588][ T335] ? __unwind_start+0x72f/0x8e0 [ 23.255417][ T335] ? show_regs_print_info+0x12/0x12 [ 23.260591][ T335] ? stack_trace_save+0x1f0/0x1f0 [ 23.265608][ T335] should_fail+0x6f6/0x860 [ 23.270150][ T335] ? setup_fault_attr+0x3d0/0x3d0 [ 23.275150][ T335] ? unwind_get_return_address+0x48/0x80 [ 23.280764][ T335] ? arch_stack_walk+0xf8/0x140 [ 23.285587][ T335] ? __d_alloc+0x2a/0x6a0 [ 23.289890][ T335] should_failslab+0x5/0x20 [ 23.294367][ T335] kmem_cache_alloc+0x36/0x290 [ 23.299112][ T335] __d_alloc+0x2a/0x6a0 [ 23.303243][ T335] ? stack_trace_snprint+0x150/0x150 [ 23.308500][ T335] d_alloc_parallel+0xf3/0x1350 [ 23.313324][ T335] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 23.319101][ T335] ? avc_has_perm_noaudit+0x30c/0x400 [ 23.324464][ T335] ? avc_denied+0x1c0/0x1c0 [ 23.328942][ T335] ? ksys_mount+0xc2/0xf0 [ 23.333245][ T335] ? d_hash_and_lookup+0x1e0/0x1e0 [ 23.338331][ T335] ? __rcu_read_lock+0x50/0x50 [ 23.343068][ T335] ? selinux_inode_permission+0x445/0x690 [ 23.348766][ T335] __lookup_slow+0x14f/0x450 [ 23.353337][ T335] ? lookup_one_len+0x2c0/0x2c0 [ 23.358162][ T335] ? generic_permission+0x13a/0x490 [ 23.363333][ T335] lookup_one_len+0x17f/0x2c0 [ 23.367983][ T335] ? lookup_one_len_common+0x430/0x430 [ 23.373413][ T335] ? memcpy+0x38/0x50 [ 23.377368][ T335] incfs_lookup_dentry+0x5b/0xb0 [ 23.382278][ T335] open_or_create_special_dir+0x45/0x150 [ 23.387970][ T335] incfs_mount_fs+0x3e9/0x840 [ 23.392623][ T335] ? incfs_unlink+0x80/0x80 [ 23.397110][ T335] ? vfs_parse_fs_param+0x2cb/0x430 [ 23.402296][ T335] ? vfs_parse_fs_string+0x1e9/0x290 [ 23.407557][ T335] ? cap_capable+0x23f/0x280 [ 23.412125][ T335] legacy_get_tree+0xde/0x170 [ 23.416783][ T335] ? incfs_unlink+0x80/0x80 [ 23.421264][ T335] vfs_get_tree+0x83/0x260 [ 23.425671][ T335] do_mount+0x19d0/0x2670 [ 23.429977][ T335] ? copy_mount_string+0x30/0x30 [ 23.434891][ T335] ? _copy_from_user+0xa4/0xe0 [ 23.439627][ T335] ? copy_mount_options+0xc9/0x300 [ 23.444729][ T335] ? ksys_mount+0x8f/0xf0 [ 23.444741][ T335] ksys_mount+0xc2/0xf0 [ 23.453192][ T335] __x64_sys_mount+0xb1/0xc0 [ 23.457770][ T335] do_syscall_64+0xcb/0x1e0 [ 23.462261][ T335] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.468163][ T335] RIP: 0033:0x444ea9 [ 23.472042][ T335] 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 [ 23.491635][ T335] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 23.500030][ T335] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 23.507981][ T335] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 executing program [ 23.516022][ T335] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 23.524010][ T335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.532014][ T335] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000000 [*[ 23.540120][ T335] incfs_lookup_dentry err:-12 [ 23.546091][ T335] incfs: Can't find or create .index dir in ./file0 [0m* ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[ 23.569791][ T339] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 23.579998][ T339] FAULT_INJECTION: forcing a failure. [ 23.579998][ T339] name failslab, interval 1, probability 0, space 0, times 0 [ 23.593168][ T339] CPU: 1 PID: 339 Comm: syz-executor513 Not tainted 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 23.603316][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.613350][ T339] Call Trace: [ 23.616728][ T339] dump_stack+0x1d8/0x24e [ 23.621032][ T339] ? devkmsg_release+0x11c/0x11c [ 23.625957][ T339] ? __unwind_start+0x72f/0x8e0 [ 23.630784][ T339] ? show_regs_print_info+0x12/0x12 [ 23.635964][ T339] ? stack_trace_save+0x1f0/0x1f0 [ 23.640958][ T339] should_fail+0x6f6/0x860 [ 23.645344][ T339] ? setup_fault_attr+0x3d0/0x3d0 [ 23.650336][ T339] ? unwind_get_return_address+0x48/0x80 [ 23.655942][ T339] ? arch_stack_walk+0xf8/0x140 [ 23.660763][ T339] ? __d_alloc+0x2a/0x6a0 [ 23.665063][ T339] should_failslab+0x5/0x20 [ 23.669550][ T339] kmem_cache_alloc+0x36/0x290 [ 23.674315][ T339] __d_alloc+0x2a/0x6a0 [ 23.678437][ T339] ? stack_trace_snprint+0x150/0x150 [ 23.683691][ T339] d_alloc_parallel+0xf3/0x1350 [ 23.688512][ T339] ? avc_has_perm_noaudit+0x30c/0x400 [ 23.693867][ T339] ? avc_denied+0x1c0/0x1c0 [ 23.698337][ T339] ? ksys_mount+0xc2/0xf0 [ 23.702634][ T339] ? d_hash_and_lookup+0x1e0/0x1e0 [ 23.707715][ T339] ? __rcu_read_lock+0x50/0x50 [ 23.712461][ T339] ? selinux_inode_permission+0x445/0x690 [ 23.718147][ T339] __lookup_slow+0x14f/0x450 [ 23.722708][ T339] ? lookup_one_len+0x2c0/0x2c0 [ 23.727543][ T339] ? generic_permission+0x13a/0x490 [ 23.732718][ T339] lookup_one_len+0x17f/0x2c0 [ 23.737378][ T339] ? lookup_one_len_common+0x430/0x430 [ 23.742822][ T339] ? memcpy+0x38/0x50 [ 23.746775][ T339] incfs_lookup_dentry+0x5b/0xb0 [ 23.751683][ T339] open_or_create_special_dir+0x45/0x150 [ 23.757293][ T339] incfs_mount_fs+0x3e9/0x840 [ 23.762139][ T339] ? incfs_unlink+0x80/0x80 [ 23.766611][ T339] ? vfs_parse_fs_param+0x2cb/0x430 [ 23.771790][ T339] ? vfs_parse_fs_string+0x1e9/0x290 [ 23.777044][ T339] ? cap_capable+0x23f/0x280 [ 23.781604][ T339] legacy_get_tree+0xde/0x170 [ 23.786262][ T339] ? incfs_unlink+0x80/0x80 [ 23.790735][ T339] vfs_get_tree+0x83/0x260 [ 23.795136][ T339] do_mount+0x19d0/0x2670 [ 23.799435][ T339] ? copy_mount_string+0x30/0x30 [ 23.804358][ T339] ? _copy_from_user+0xa4/0xe0 [ 23.809091][ T339] ? copy_mount_options+0xc9/0x300 [ 23.814192][ T339] ? ksys_mount+0x8f/0xf0 [ 23.818493][ T339] ksys_mount+0xc2/0xf0 [ 23.822627][ T339] __x64_sys_mount+0xb1/0xc0 [ 23.827203][ T339] do_syscall_64+0xcb/0x1e0 [ 23.831682][ T339] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.837547][ T339] RIP: 0033:0x444ea9 [ 23.841411][ T339] 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 [ 23.861007][ T339] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 23.869390][ T339] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 23.877331][ T339] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 23.885291][ T339] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 23.893235][ T339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.901182][ T339] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000001 [ 23.910146][ T339] incfs_lookup_dentry err:-12 [ 23.915251][ T339] incfs: Can't find or create .index dir in ./file0 executing program [*** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[ 23.990238][ T343] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 24.007464][ T343] FAULT_INJECTION: forcing a failure. [ 24.007464][ T343] name failslab, interval 1, probability 0, space 0, times 0 [ 24.020167][ T343] CPU: 0 PID: 343 Comm: syz-executor513 Not tainted 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 24.030471][ T343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.040639][ T343] Call Trace: [ 24.044037][ T343] dump_stack+0x1d8/0x24e [ 24.048361][ T343] ? devkmsg_release+0x11c/0x11c [ 24.053287][ T343] ? __unwind_start+0x72f/0x8e0 [ 24.058223][ T343] ? show_regs_print_info+0x12/0x12 [ 24.063401][ T343] ? stack_trace_save+0x1f0/0x1f0 [ 24.068402][ T343] should_fail+0x6f6/0x860 [ 24.072793][ T343] ? setup_fault_attr+0x3d0/0x3d0 [ 24.077790][ T343] ? unwind_get_return_address+0x48/0x80 [ 24.083400][ T343] ? arch_stack_walk+0xf8/0x140 [ 24.088257][ T343] ? __d_alloc+0x2a/0x6a0 [ 24.092592][ T343] should_failslab+0x5/0x20 [ 24.097090][ T343] kmem_cache_alloc+0x36/0x290 [ 24.101841][ T343] __d_alloc+0x2a/0x6a0 [ 24.106031][ T343] ? stack_trace_snprint+0x150/0x150 [ 24.111297][ T343] d_alloc_parallel+0xf3/0x1350 [ 24.116126][ T343] ? avc_has_perm_noaudit+0x30c/0x400 [ 24.121473][ T343] ? avc_denied+0x1c0/0x1c0 [ 24.125974][ T343] ? ksys_mount+0xc2/0xf0 [ 24.130280][ T343] ? d_hash_and_lookup+0x1e0/0x1e0 [ 24.135368][ T343] ? __rcu_read_lock+0x50/0x50 [ 24.140106][ T343] ? selinux_inode_permission+0x445/0x690 [ 24.145799][ T343] __lookup_slow+0x14f/0x450 [ 24.150368][ T343] ? lookup_one_len+0x2c0/0x2c0 [ 24.155192][ T343] ? generic_permission+0x13a/0x490 [ 24.160362][ T343] lookup_one_len+0x17f/0x2c0 [ 24.165019][ T343] ? lookup_one_len_common+0x430/0x430 [ 24.170452][ T343] ? memcpy+0x38/0x50 [ 24.174408][ T343] incfs_lookup_dentry+0x5b/0xb0 [ 24.179338][ T343] open_or_create_special_dir+0x45/0x150 [ 24.184961][ T343] incfs_mount_fs+0x3e9/0x840 [ 24.189616][ T343] ? incfs_unlink+0x80/0x80 [ 24.194095][ T343] ? vfs_parse_fs_param+0x2cb/0x430 [ 24.199265][ T343] ? vfs_parse_fs_string+0x1e9/0x290 [ 24.204524][ T343] ? cap_capable+0x23f/0x280 [ 24.209092][ T343] legacy_get_tree+0xde/0x170 [ 24.213744][ T343] ? incfs_unlink+0x80/0x80 [ 24.218234][ T343] vfs_get_tree+0x83/0x260 [ 24.222625][ T343] do_mount+0x19d0/0x2670 [ 24.226945][ T343] ? copy_mount_string+0x30/0x30 [ 24.231853][ T343] ? _copy_from_user+0xa4/0xe0 [ 24.236588][ T343] ? copy_mount_options+0xc9/0x300 [ 24.241673][ T343] ? ksys_mount+0x8f/0xf0 [ 24.245985][ T343] ksys_mount+0xc2/0xf0 [ 24.250115][ T343] __x64_sys_mount+0xb1/0xc0 [ 24.254679][ T343] do_syscall_64+0xcb/0x1e0 [ 24.259157][ T343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.265024][ T343] RIP: 0033:0x444ea9 [ 24.268910][ T343] 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 [ 24.288489][ T343] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.296874][ T343] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 24.304838][ T343] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 24.312791][ T343] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 24.320743][ T343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.328700][ T343] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000002 [ 24.336775][ T343] incfs_lookup_dentry err:-12 executing program [ 24.341440][ T343] incfs: Can't find or create .index dir in ./file0 [ *** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[ 24.381480][ T346] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 24.399945][ T346] FAULT_INJECTION: forcing a failure. [ 24.399945][ T346] name failslab, interval 1, probability 0, space 0, times 0 [ 24.412672][ T346] CPU: 1 PID: 346 Comm: syz-executor513 Not tainted 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 24.422930][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.432963][ T346] Call Trace: [ 24.436241][ T346] dump_stack+0x1d8/0x24e [ 24.440573][ T346] ? devkmsg_release+0x11c/0x11c [ 24.445487][ T346] ? stack_trace_save+0x1f0/0x1f0 [ 24.450493][ T346] ? show_regs_print_info+0x12/0x12 [ 24.455665][ T346] ? __kernel_text_address+0x93/0x100 [ 24.461020][ T346] ? unwind_get_return_address+0x48/0x80 [ 24.466639][ T346] ? arch_stack_walk+0xf8/0x140 [ 24.471469][ T346] should_fail+0x6f6/0x860 [ 24.475868][ T346] ? setup_fault_attr+0x3d0/0x3d0 [ 24.480865][ T346] ? ebitmap_cmp+0x1b8/0x220 [ 24.485437][ T346] ? mls_compute_context_len+0x7dd/0x810 [ 24.491129][ T346] ? context_struct_to_string+0x43b/0x8b0 [ 24.496822][ T346] should_failslab+0x5/0x20 [ 24.501302][ T346] __kmalloc+0x5f/0x2f0 [ 24.505432][ T346] context_struct_to_string+0x43b/0x8b0 [ 24.510971][ T346] ? security_bounded_transition+0x560/0x560 [ 24.516958][ T346] ? symhash+0xe0/0xe0 [ 24.521000][ T346] ? hashtab_search+0x1bf/0x200 [ 24.525838][ T346] context_add_hash+0x13f/0x270 [ 24.530671][ T346] ? security_sid_to_context_inval+0x40/0x40 [ 24.536624][ T346] ? mls_context_isvalid+0x98/0x380 [ 24.541815][ T346] ? policydb_context_isvalid+0x1b6/0x400 [ 24.547594][ T346] security_compute_sid+0x1142/0x1d00 [ 24.552943][ T346] ? __rcu_read_lock+0x50/0x50 [ 24.557682][ T346] ? security_transition_sid+0x90/0x90 [ 24.563112][ T346] ? avc_denied+0x1c0/0x1c0 [ 24.567607][ T346] ? avc_has_perm_noaudit+0x400/0x400 [ 24.572952][ T346] ? avc_has_perm_noaudit+0x30c/0x400 [ 24.578299][ T346] security_transition_sid+0x78/0x90 [ 24.583560][ T346] may_create+0x62b/0x960 [ 24.587867][ T346] ? show_sid+0x250/0x250 [ 24.592256][ T346] ? selinux_inode_permission+0x445/0x690 [ 24.597962][ T346] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 24.603755][ T346] ? from_kgid+0x206/0x350 [ 24.608146][ T346] ? make_kgid+0x390/0x390 [ 24.612532][ T346] ? generic_permission+0x13a/0x490 [ 24.617704][ T346] security_inode_mkdir+0x96/0x120 [ 24.622787][ T346] vfs_mkdir+0x34a/0x5f0 [ 24.627004][ T346] open_or_create_special_dir+0xba/0x150 [ 24.632608][ T346] incfs_mount_fs+0x3e9/0x840 [ 24.637276][ T346] ? incfs_unlink+0x80/0x80 [ 24.641749][ T346] ? vfs_parse_fs_param+0x2cb/0x430 [ 24.646932][ T346] ? vfs_parse_fs_string+0x1e9/0x290 [ 24.652203][ T346] ? cap_capable+0x23f/0x280 [ 24.656874][ T346] legacy_get_tree+0xde/0x170 [ 24.661530][ T346] ? incfs_unlink+0x80/0x80 [ 24.666011][ T346] vfs_get_tree+0x83/0x260 [ 24.670405][ T346] do_mount+0x19d0/0x2670 [ 24.674737][ T346] ? copy_mount_string+0x30/0x30 [ 24.679648][ T346] ? _copy_from_user+0xa4/0xe0 [ 24.684384][ T346] ? copy_mount_options+0xc9/0x300 [ 24.689469][ T346] ? ksys_mount+0x8f/0xf0 [ 24.693788][ T346] ksys_mount+0xc2/0xf0 [ 24.697921][ T346] __x64_sys_mount+0xb1/0xc0 [ 24.702484][ T346] do_syscall_64+0xcb/0x1e0 [ 24.706976][ T346] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.712865][ T346] RIP: 0033:0x444ea9 [ 24.716730][ T346] 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 [ 24.736330][ T346] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.744715][ T346] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 24.752677][ T346] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 24.760626][ T346] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 24.768572][ T346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.776515][ T346] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000003 [ 24.786228][ T346] incfs: Can't find or create .index dir in ./file0 [ 24.794326][ T334] BUG: Dentry ffff8881ecf6f660{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 24.804059][ T334] ------------[ cut here ]------------ [ 24.809611][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 24.817914][ T334] Modules linked in: [ 24.821793][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Not tainted 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 24.831913][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.841987][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 24.847263][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 24.866879][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 24.872937][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 24.880896][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 24.888849][ T334] RBP: ffff8881f0ab4420 R08: ffffffff814e8437 R09: ffffed103edc5e08 [ 24.896808][ T334] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 24.904767][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecf6f660 [ 24.912741][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.921652][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.928225][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406f0 [ 24.936198][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.944180][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.952153][ T334] Call Trace: [ *[ 24.955439][ T334] d_walk+0x2d9/0x540 [ 24.960789][ T334] ? __d_free+0x20/0x20 [ 24.964950][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [0;1;31m*[0[ 24.970399][ T334] generic_shutdown_super+0x63/0x2a0 [ 24.977046][ T334] kill_block_super+0x79/0xd0 [ 24.981721][ T334] deactivate_locked_super+0xaf/0x100 ;31m* ] A st[ 24.987084][ T334] deactivate_super+0x1b3/0x270 [ 24.993311][ T334] ? deactivate_locked_super+0x100/0x100 art job is runni[ 24.998937][ T334] ? dput+0x4de/0x5d0 [ 25.004292][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 ng for dev-ttyS0[ 25.009843][ T334] ? find_next_bit+0xc6/0x110 [ 25.015897][ T334] cleanup_mnt+0x432/0x4e0 .device (17s / 1[ 25.020314][ T334] task_work_run+0x186/0x1b0 [ 25.026265][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 25.031799][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 min 30s)[ 25.037672][ T334] RIP: 0033:0x446247 [ 25.042252][ T334] 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 [ 25.061845][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.070228][ T334] RAX: 0000000000000000 RBX: 0000000000005e60 RCX: 0000000000446247 [ 25.078173][ T334] RDX: 00007ffcb80cdf39 RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 25.086132][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 25.094075][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 executing program [ 25.102020][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 0000000000000004 [ 25.109979][ T334] ---[ end trace 9cc7b261bbd264de ]--- [ 25.121401][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 25.178501][ T350] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 25.188596][ T350] FAULT_INJECTION: forcing a failure. [ 25.188596][ T350] name failslab, interval 1, probability 0, space 0, times 0 [ 25.201351][ T350] CPU: 0 PID: 350 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 25.212889][ T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.222934][ T350] Call Trace: [ 25.226219][ T350] dump_stack+0x1d8/0x24e [ 25.230620][ T350] ? devkmsg_release+0x11c/0x11c [ 25.235629][ T350] ? __unwind_start+0x72f/0x8e0 [ 25.240466][ T350] ? show_regs_print_info+0x12/0x12 [ 25.245641][ T350] ? stack_trace_save+0x1f0/0x1f0 [ 25.250643][ T350] should_fail+0x6f6/0x860 [ 25.255035][ T350] ? setup_fault_attr+0x3d0/0x3d0 [ 25.260031][ T350] ? unwind_get_return_address+0x48/0x80 [ 25.265630][ T350] ? arch_stack_walk+0xf8/0x140 [ 25.270487][ T350] ? __d_alloc+0x2a/0x6a0 [ 25.274788][ T350] should_failslab+0x5/0x20 [ 25.279261][ T350] kmem_cache_alloc+0x36/0x290 [ 25.283999][ T350] __d_alloc+0x2a/0x6a0 [ 25.288129][ T350] ? stack_trace_snprint+0x150/0x150 [ 25.293398][ T350] d_alloc_parallel+0xf3/0x1350 [ 25.298239][ T350] ? avc_has_perm_noaudit+0x30c/0x400 [ 25.303580][ T350] ? avc_denied+0x1c0/0x1c0 [ 25.308076][ T350] ? ksys_mount+0xc2/0xf0 [ 25.312376][ T350] ? d_hash_and_lookup+0x1e0/0x1e0 [ 25.317462][ T350] ? __rcu_read_lock+0x50/0x50 [ 25.322194][ T350] ? selinux_inode_permission+0x445/0x690 [ 25.327882][ T350] __lookup_slow+0x14f/0x450 [ 25.332447][ T350] ? lookup_one_len+0x2c0/0x2c0 [ 25.337269][ T350] ? generic_permission+0x13a/0x490 [ 25.342446][ T350] lookup_one_len+0x17f/0x2c0 [ 25.347093][ T350] ? lookup_one_len_common+0x430/0x430 [ 25.352520][ T350] ? memcpy+0x38/0x50 [ 25.356472][ T350] incfs_lookup_dentry+0x5b/0xb0 [ 25.361381][ T350] open_or_create_special_dir+0x45/0x150 [ 25.366984][ T350] incfs_mount_fs+0x3e9/0x840 [ 25.371632][ T350] ? incfs_unlink+0x80/0x80 [ 25.376104][ T350] ? vfs_parse_fs_param+0x2cb/0x430 [ 25.381270][ T350] ? vfs_parse_fs_string+0x1e9/0x290 [ 25.386523][ T350] ? cap_capable+0x23f/0x280 [ 25.391083][ T350] legacy_get_tree+0xde/0x170 [ 25.395730][ T350] ? incfs_unlink+0x80/0x80 [ 25.400214][ T350] vfs_get_tree+0x83/0x260 [ 25.404600][ T350] do_mount+0x19d0/0x2670 [ 25.408901][ T350] ? copy_mount_string+0x30/0x30 [ 25.413806][ T350] ? _copy_from_user+0xa4/0xe0 [ 25.418535][ T350] ? copy_mount_options+0xc9/0x300 [ 25.423613][ T350] ? ksys_mount+0x8f/0xf0 [ 25.427912][ T350] ksys_mount+0xc2/0xf0 [ 25.432036][ T350] __x64_sys_mount+0xb1/0xc0 [ 25.436600][ T350] do_syscall_64+0xcb/0x1e0 [ 25.441091][ T350] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.446954][ T350] RIP: 0033:0x444ea9 [ 25.450824][ T350] 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 [ 25.470938][ T350] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.470947][ T350] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 25.470952][ T350] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 25.470956][ T350] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 25.470960][ T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.470971][ T350] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000004 [ 25.519962][ T350] incfs_lookup_dentry err:-12 [ 25.524688][ T350] incfs: Can't find or create .index dir in ./file0 executing program [ ***] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ 25.596697][ T353] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 25.614044][ T353] FAULT_INJECTION: forcing a failure. [ 25.614044][ T353] name failslab, interval 1, probability 0, space 0, times 0 [ 25.626806][ T353] CPU: 1 PID: 353 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 25.638428][ T353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.648460][ T353] Call Trace: [ 25.651767][ T353] dump_stack+0x1d8/0x24e [ 25.656077][ T353] ? devkmsg_release+0x11c/0x11c [ 25.660989][ T353] ? stack_trace_save+0x1f0/0x1f0 [ 25.665986][ T353] ? show_regs_print_info+0x12/0x12 [ 25.671164][ T353] ? __kernel_text_address+0x93/0x100 [ 25.676672][ T353] ? unwind_get_return_address+0x48/0x80 [ 25.682301][ T353] ? arch_stack_walk+0xf8/0x140 [ 25.687125][ T353] should_fail+0x6f6/0x860 [ 25.691517][ T353] ? setup_fault_attr+0x3d0/0x3d0 [ 25.696511][ T353] ? ebitmap_cmp+0x1b8/0x220 [ 25.701076][ T353] ? mls_compute_context_len+0x7dd/0x810 [ 25.706681][ T353] ? context_struct_to_string+0x43b/0x8b0 [ 25.712385][ T353] should_failslab+0x5/0x20 [ 25.716863][ T353] __kmalloc+0x5f/0x2f0 [ 25.721002][ T353] context_struct_to_string+0x43b/0x8b0 [ 25.726531][ T353] ? security_bounded_transition+0x560/0x560 [ 25.732483][ T353] ? symhash+0xe0/0xe0 [ 25.736528][ T353] ? hashtab_search+0x1bf/0x200 [ 25.741455][ T353] context_add_hash+0x13f/0x270 [ 25.746296][ T353] ? security_sid_to_context_inval+0x40/0x40 [ 25.752247][ T353] ? mls_context_isvalid+0x98/0x380 [ 25.757419][ T353] ? policydb_context_isvalid+0x1b6/0x400 [ 25.763129][ T353] security_compute_sid+0x1142/0x1d00 [ 25.768493][ T353] ? __rcu_read_lock+0x50/0x50 [ 25.773260][ T353] ? security_transition_sid+0x90/0x90 [ 25.778702][ T353] ? avc_denied+0x1c0/0x1c0 [ 25.783214][ T353] ? avc_has_perm_noaudit+0x400/0x400 [ 25.788572][ T353] ? avc_has_perm_noaudit+0x30c/0x400 [ 25.794003][ T353] security_transition_sid+0x78/0x90 [ 25.799393][ T353] may_create+0x62b/0x960 [ 25.803702][ T353] ? show_sid+0x250/0x250 [ 25.808009][ T353] ? selinux_inode_permission+0x445/0x690 [ 25.813792][ T353] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 25.819683][ T353] ? from_kgid+0x206/0x350 [ 25.824074][ T353] ? make_kgid+0x390/0x390 [ 25.828464][ T353] ? generic_permission+0x13a/0x490 [ 25.833637][ T353] security_inode_mkdir+0x96/0x120 [ 25.838725][ T353] vfs_mkdir+0x34a/0x5f0 [ 25.842944][ T353] open_or_create_special_dir+0xba/0x150 [ 25.848550][ T353] incfs_mount_fs+0x3e9/0x840 [ 25.853198][ T353] ? incfs_unlink+0x80/0x80 [ 25.857674][ T353] ? vfs_parse_fs_param+0x2cb/0x430 [ 25.862844][ T353] ? vfs_parse_fs_string+0x1e9/0x290 [ 25.868111][ T353] ? cap_capable+0x23f/0x280 [ 25.872675][ T353] legacy_get_tree+0xde/0x170 [ 25.877339][ T353] ? incfs_unlink+0x80/0x80 [ 25.881839][ T353] vfs_get_tree+0x83/0x260 [ 25.886249][ T353] do_mount+0x19d0/0x2670 [ 25.890554][ T353] ? copy_mount_string+0x30/0x30 [ 25.895463][ T353] ? _copy_from_user+0xa4/0xe0 [ 25.900200][ T353] ? copy_mount_options+0xc9/0x300 [ 25.905288][ T353] ? ksys_mount+0x8f/0xf0 [ 25.909587][ T353] ksys_mount+0xc2/0xf0 [ 25.913717][ T353] __x64_sys_mount+0xb1/0xc0 [ 25.918277][ T353] do_syscall_64+0xcb/0x1e0 [ 25.922752][ T353] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.928620][ T353] RIP: 0033:0x444ea9 [ 25.932504][ T353] 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 [ 25.952098][ T353] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.960480][ T353] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 25.968424][ T353] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 25.976370][ T353] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 25.984315][ T353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.992264][ T353] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000005 [ *[0[ 26.001939][ T353] incfs: Can't find or create .index dir in ./file0 ;1;31m*] A start job is runn[ 26.011518][ T334] BUG: Dentry ffff8881e6066110{i=0,n=.index} still in use (1) [unmount of vfat loop0] ing for dev-ttyS[ 26.022125][ T334] ------------[ cut here ]------------ [ 26.028869][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 0.device (18s / [ 26.037170][ T334] Modules linked in: [ 26.042441][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 26.053968][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.064024][ T334] RIP: 0010:umount_check+0x179/0x1c0 1min 30s)[ 26.069296][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 26.089652][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 26.095695][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 26.103653][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 26.111616][ T334] RBP: ffff8881f0ab7420 R08: ffffffff814e8437 R09: ffffed103edc5e08 [ 26.119747][ T334] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 26.127695][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6066110 [ 26.135644][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.144545][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.151099][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406f0 [ 26.159057][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.167006][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.174947][ T334] Call Trace: [ 26.178226][ T334] d_walk+0x2d9/0x540 [ 26.182199][ T334] ? __d_free+0x20/0x20 [ 26.186349][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [ 26.191781][ T334] generic_shutdown_super+0x63/0x2a0 [ 26.197037][ T334] kill_block_super+0x79/0xd0 [ 26.201686][ T334] deactivate_locked_super+0xaf/0x100 [ 26.207027][ T334] deactivate_super+0x1b3/0x270 [ 26.211848][ T334] ? deactivate_locked_super+0x100/0x100 [ 26.217450][ T334] ? dput+0x4de/0x5d0 [ 26.221402][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 [ 26.226915][ T334] ? find_next_bit+0xc6/0x110 [ 26.231737][ T334] cleanup_mnt+0x432/0x4e0 [ 26.236127][ T334] task_work_run+0x186/0x1b0 [ 26.240686][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 26.246217][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.252081][ T334] RIP: 0033:0x446247 [ 26.255945][ T334] 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 [ 26.275520][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 26.283902][ T334] RAX: 0000000000000000 RBX: 000000000000631a RCX: 0000000000446247 [ 26.291860][ T334] RDX: 00007ffcb80cdf39 RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 26.299803][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 26.307745][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 26.315687][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 0000000000000006 [ 26.323647][ T334] ---[ end trace 9cc7b261bbd264df ]--- [ 26.330784][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 26.402694][ T356] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 26.412506][ T356] FAULT_INJECTION: forcing a failure. [ 26.412506][ T356] name failslab, interval 1, probability 0, space 0, times 0 [ 26.425171][ T356] CPU: 0 PID: 356 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 26.436794][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.447188][ T356] Call Trace: [ 26.450475][ T356] dump_stack+0x1d8/0x24e [ 26.454781][ T356] ? devkmsg_release+0x11c/0x11c [ 26.459706][ T356] ? __unwind_start+0x72f/0x8e0 [ 26.459720][ T356] ? show_regs_print_info+0x12/0x12 [ 26.469744][ T356] ? stack_trace_save+0x1f0/0x1f0 [ 26.474757][ T356] should_fail+0x6f6/0x860 [ 26.479157][ T356] ? setup_fault_attr+0x3d0/0x3d0 [ 26.484210][ T356] ? unwind_get_return_address+0x48/0x80 [ 26.489830][ T356] ? arch_stack_walk+0xf8/0x140 [ 26.494669][ T356] ? __d_alloc+0x2a/0x6a0 [ 26.498986][ T356] should_failslab+0x5/0x20 [ 26.503478][ T356] kmem_cache_alloc+0x36/0x290 [ 26.508260][ T356] __d_alloc+0x2a/0x6a0 [ 26.512422][ T356] ? stack_trace_snprint+0x150/0x150 [ 26.517716][ T356] d_alloc_parallel+0xf3/0x1350 [ 26.522580][ T356] ? avc_has_perm_noaudit+0x30c/0x400 [ 26.527940][ T356] ? avc_denied+0x1c0/0x1c0 [ 26.532430][ T356] ? ksys_mount+0xc2/0xf0 [ 26.536764][ T356] ? d_hash_and_lookup+0x1e0/0x1e0 [ 26.541866][ T356] ? __rcu_read_lock+0x50/0x50 [ 26.546619][ T356] ? selinux_inode_permission+0x445/0x690 [ 26.552325][ T356] __lookup_slow+0x14f/0x450 [ 26.556907][ T356] ? lookup_one_len+0x2c0/0x2c0 [ [0;31[ 26.561744][ T356] ? generic_permission+0x13a/0x490 [ 26.568320][ T356] lookup_one_len+0x17f/0x2c0 m*] A start [ 26.573023][ T356] ? lookup_one_len_common+0x430/0x430 [ 26.579859][ T356] ? memcpy+0x38/0x50 [ 26.583842][ T356] incfs_lookup_dentry+0x5b/0xb0 job is running f[ 26.588802][ T356] open_or_create_special_dir+0x45/0x150 [ 26.595800][ T356] incfs_mount_fs+0x3e9/0x840 [ 26.600488][ T356] ? incfs_unlink+0x80/0x80 or dev-ttyS0.dev[ 26.605065][ T356] ? vfs_parse_fs_param+0x2cb/0x430 [ 26.611627][ T356] ? vfs_parse_fs_string+0x1e9/0x290 [ 26.617006][ T356] ? cap_capable+0x23f/0x280 [ 26.621601][ T356] legacy_get_tree+0xde/0x170 ice (19s / 1min [ 26.626270][ T356] ? incfs_unlink+0x80/0x80 [ 26.632138][ T356] vfs_get_tree+0x83/0x260 30s)[ 26.636811][ T356] do_mount+0x19d0/0x2670 [ 26.641504][ T356] ? copy_mount_string+0x30/0x30 [ 26.646440][ T356] ? _copy_from_user+0xa4/0xe0 [ 26.651285][ T356] ? copy_mount_options+0xc9/0x300 [ 26.656370][ T356] ? ksys_mount+0x8f/0xf0 [ 26.660673][ T356] ksys_mount+0xc2/0xf0 [ 26.664899][ T356] __x64_sys_mount+0xb1/0xc0 [ 26.669471][ T356] do_syscall_64+0xcb/0x1e0 [ 26.673954][ T356] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.679831][ T356] RIP: 0033:0x444ea9 [ 26.683714][ T356] 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 [ 26.703396][ T356] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.711781][ T356] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 26.719729][ T356] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 26.727713][ T356] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 26.735658][ T356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 26.743603][ T356] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000006 [ 26.751987][ T356] incfs_lookup_dentry err:-12 [ 26.756710][ T356] incfs: Can't find or create .index dir in ./file0 executing program [ 26.821223][ T359] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 26.831094][ T359] FAULT_INJECTION: forcing a failure. [ 26.831094][ T359] name failslab, interval 1, probability 0, space 0, times 0 [ 26.843772][ T359] CPU: 1 PID: 359 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 26.855717][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.865747][ T359] Call Trace: [ 26.869078][ T359] dump_stack+0x1d8/0x24e [ 26.873382][ T359] ? devkmsg_release+0x11c/0x11c [ 26.878292][ T359] ? stack_trace_save+0x1f0/0x1f0 [ 26.883291][ T359] ? show_regs_print_info+0x12/0x12 [ 26.888478][ T359] ? __kernel_text_address+0x93/0x100 [ 26.893840][ T359] ? unwind_get_return_address+0x48/0x80 [ 26.899450][ T359] ? arch_stack_walk+0xf8/0x140 [ 26.904275][ T359] should_fail+0x6f6/0x860 [ 26.908664][ T359] ? setup_fault_attr+0x3d0/0x3d0 [ 26.913674][ T359] ? ebitmap_cmp+0x1b8/0x220 [ 26.918236][ T359] ? mls_compute_context_len+0x7dd/0x810 [ 26.923841][ T359] ? context_struct_to_string+0x43b/0x8b0 [ 26.929538][ T359] should_failslab+0x5/0x20 [ 26.934113][ T359] __kmalloc+0x5f/0x2f0 [ 26.938244][ T359] context_struct_to_string+0x43b/0x8b0 [ 26.943773][ T359] ? security_bounded_transition+0x560/0x560 [ 26.949723][ T359] ? symhash+0xe0/0xe0 [ 26.953762][ T359] ? hashtab_search+0x1bf/0x200 [ 26.958583][ T359] context_add_hash+0x13f/0x270 [ 26.963407][ T359] ? security_sid_to_context_inval+0x40/0x40 [ 26.969366][ T359] ? mls_context_isvalid+0x98/0x380 [ 26.974537][ T359] ? policydb_context_isvalid+0x1b6/0x400 [ 26.980229][ T359] security_compute_sid+0x1142/0x1d00 [ 26.985578][ T359] ? __rcu_read_lock+0x50/0x50 [ 26.990319][ T359] ? security_transition_sid+0x90/0x90 [ 26.995767][ T359] ? avc_denied+0x1c0/0x1c0 [ 27.000248][ T359] ? avc_has_perm_noaudit+0x400/0x400 [ 27.005595][ T359] ? avc_has_perm_noaudit+0x30c/0x400 [ 27.010959][ T359] security_transition_sid+0x78/0x90 [ 27.016239][ T359] may_create+0x62b/0x960 [ 27.020546][ T359] ? show_sid+0x250/0x250 [ 27.024850][ T359] ? selinux_inode_permission+0x445/0x690 [ 27.030549][ T359] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 27.036331][ T359] ? from_kgid+0x206/0x350 [ 27.040723][ T359] ? make_kgid+0x390/0x390 [ 27.045112][ T359] ? generic_permission+0x13a/0x490 [ 27.050284][ T359] security_inode_mkdir+0x96/0x120 [ 27.055388][ T359] vfs_mkdir+0x34a/0x5f0 [ 27.059609][ T359] open_or_create_special_dir+0xba/0x150 [ 27.065220][ T359] incfs_mount_fs+0x3e9/0x840 [ 27.069894][ T359] ? incfs_unlink+0x80/0x80 [ 27.074381][ T359] ? vfs_parse_fs_param+0x2cb/0x430 [ 27.079562][ T359] ? vfs_parse_fs_string+0x1e9/0x290 [ 27.084846][ T359] ? cap_capable+0x23f/0x280 [ 27.089416][ T359] legacy_get_tree+0xde/0x170 [ 27.094070][ T359] ? incfs_unlink+0x80/0x80 [ 27.098567][ T359] vfs_get_tree+0x83/0x260 [ 27.102998][ T359] do_mount+0x19d0/0x2670 [ 27.107307][ T359] ? copy_mount_string+0x30/0x30 [ 27.113527][ T359] ? _copy_from_user+0xa4/0xe0 [ 27.118266][ T359] ? copy_mount_options+0xc9/0x300 [ 27.123390][ T359] ? ksys_mount+0x8f/0xf0 [ 27.127690][ T359] ksys_mount+0xc2/0xf0 [ 27.131821][ T359] __x64_sys_mount+0xb1/0xc0 [ 27.136386][ T359] do_syscall_64+0xcb/0x1e0 [ 27.140867][ T359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.146736][ T359] RIP: 0033:0x444ea9 [ 27.150601][ T359] 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 [ 27.170198][ T359] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 27.178581][ T359] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 27.186528][ T359] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 27.194474][ T359] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 27.202423][ T359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 27.210370][ T359] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000007 [ 27.218427][ T359] incfs: Can't find or create .index dir in ./file0 [ [ 27.227087][ T334] BUG: Dentry ffff8881e608b000{i=0,n=.index} still in use (1) [unmount of vfat loop0] **][ 27.236910][ T334] ------------[ cut here ]------------ [ 27.243592][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 A start job is [ 27.251925][ T334] Modules linked in: [ 27.257195][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 27.268724][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.278778][ T334] RIP: 0010:umount_check+0x179/0x1c0 running for dev-[ 27.284050][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 27.307025][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 27.313081][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 27.321053][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 27.329012][ T334] RBP: ffff8881ee4ef420 R08: ffffffff814e8437 R09: ffffed103edc5e08 [ 27.336974][ T334] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 27.344930][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e608b000 [ 27.352886][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.361804][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.368376][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406f0 [ 27.376341][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.384298][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.392273][ T334] Call Trace: [ 27.395550][ T334] d_walk+0x2d9/0x540 ttyS0.device (20[ 27.399532][ T334] ? __d_free+0x20/0x20 [ 27.405050][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [ 27.410699][ T334] generic_shutdown_super+0x63/0x2a0 s / 1min 30s)[ 27.415974][ T334] kill_block_super+0x79/0xd0 [ 27.421752][ T334] deactivate_locked_super+0xaf/0x100 [ 27.427137][ T334] deactivate_super+0x1b3/0x270 [ 27.431972][ T334] ? deactivate_locked_super+0x100/0x100 [ 27.437586][ T334] ? dput+0x4de/0x5d0 [ 27.441549][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 [ 27.447065][ T334] ? find_next_bit+0xc6/0x110 [ 27.451721][ T334] cleanup_mnt+0x432/0x4e0 [ 27.456108][ T334] task_work_run+0x186/0x1b0 [ 27.460664][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 27.466319][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.472201][ T334] RIP: 0033:0x446247 [ 27.476069][ T334] 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 [ 27.495648][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 27.504029][ T334] RAX: 0000000000000000 RBX: 00000000000067de RCX: 0000000000446247 [ 27.511986][ T334] RDX: 00007ffcb80cdf39 RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 27.519927][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 27.528010][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 27.535961][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 0000000000000008 [ 27.543909][ T334] ---[ end trace 9cc7b261bbd264e0 ]--- [ 27.550936][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 27.615483][ T363] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 27.632795][ T363] FAULT_INJECTION: forcing a failure. [ 27.632795][ T363] name failslab, interval 1, probability 0, space 0, times 0 [ 27.645432][ T363] CPU: 1 PID: 363 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 27.657100][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.667240][ T363] Call Trace: [ 27.670517][ T363] dump_stack+0x1d8/0x24e [ 27.674819][ T363] ? devkmsg_release+0x11c/0x11c [ 27.679729][ T363] ? stack_trace_save+0x1f0/0x1f0 [ 27.684739][ T363] ? show_regs_print_info+0x12/0x12 [ 27.689911][ T363] ? __kernel_text_address+0x93/0x100 [ 27.695255][ T363] ? unwind_get_return_address+0x48/0x80 [ 27.700865][ T363] ? arch_stack_walk+0xf8/0x140 [ 27.705689][ T363] should_fail+0x6f6/0x860 [ 27.710079][ T363] ? setup_fault_attr+0x3d0/0x3d0 [ 27.715073][ T363] ? ebitmap_cmp+0x1b8/0x220 [ 27.719634][ T363] ? mls_compute_context_len+0x7dd/0x810 [ 27.725240][ T363] ? context_struct_to_string+0x43b/0x8b0 [ 27.730937][ T363] should_failslab+0x5/0x20 [ 27.735436][ T363] __kmalloc+0x5f/0x2f0 [ 27.739565][ T363] context_struct_to_string+0x43b/0x8b0 [ 27.745087][ T363] ? security_bounded_transition+0x560/0x560 [ 27.751038][ T363] ? symhash+0xe0/0xe0 [ 27.755075][ T363] ? hashtab_search+0x1bf/0x200 [ 27.759908][ T363] context_add_hash+0x13f/0x270 [ 27.764736][ T363] ? security_sid_to_context_inval+0x40/0x40 [ 27.770688][ T363] ? mls_context_isvalid+0x98/0x380 [ 27.775858][ T363] ? policydb_context_isvalid+0x1b6/0x400 [ 27.781549][ T363] security_compute_sid+0x1142/0x1d00 [ 27.786896][ T363] ? __rcu_read_lock+0x50/0x50 [ 27.791652][ T363] ? security_transition_sid+0x90/0x90 [ 27.797083][ T363] ? avc_denied+0x1c0/0x1c0 [ 27.801668][ T363] ? avc_has_perm_noaudit+0x400/0x400 [ 27.807017][ T363] ? avc_has_perm_noaudit+0x30c/0x400 [ 27.812361][ T363] security_transition_sid+0x78/0x90 [ 27.817624][ T363] may_create+0x62b/0x960 [ 27.821930][ T363] ? show_sid+0x250/0x250 [ 27.826238][ T363] ? selinux_inode_permission+0x445/0x690 [ 27.831932][ T363] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 27.837733][ T363] ? from_kgid+0x206/0x350 [ 27.842139][ T363] ? make_kgid+0x390/0x390 [ 27.846528][ T363] ? generic_permission+0x13a/0x490 [ 27.851739][ T363] security_inode_mkdir+0x96/0x120 [ 27.856836][ T363] vfs_mkdir+0x34a/0x5f0 [ 27.861147][ T363] open_or_create_special_dir+0xba/0x150 [ 27.866843][ T363] incfs_mount_fs+0x3e9/0x840 [ 27.871515][ T363] ? incfs_unlink+0x80/0x80 [ 27.875990][ T363] ? vfs_parse_fs_param+0x2cb/0x430 [ 27.881165][ T363] ? vfs_parse_fs_string+0x1e9/0x290 [ 27.886421][ T363] ? cap_capable+0x23f/0x280 [ 27.890985][ T363] legacy_get_tree+0xde/0x170 [ 27.895642][ T363] ? incfs_unlink+0x80/0x80 [ 27.900124][ T363] vfs_get_tree+0x83/0x260 [ 27.904520][ T363] do_mount+0x19d0/0x2670 [ 27.908826][ T363] ? copy_mount_string+0x30/0x30 [ 27.913744][ T363] ? _copy_from_user+0xa4/0xe0 [ 27.918480][ T363] ? copy_mount_options+0xc9/0x300 [ 27.923565][ T363] ? ksys_mount+0x8f/0xf0 [ 27.927868][ T363] ksys_mount+0xc2/0xf0 [ 27.931995][ T363] __x64_sys_mount+0xb1/0xc0 [ 27.936558][ T363] do_syscall_64+0xcb/0x1e0 [ 27.941045][ T363] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.946909][ T363] RIP: 0033:0x444ea9 [ 27.950779][ T363] 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 [ 27.970357][ T363] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 27.978745][ T363] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 27.986691][ T363] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 27.994649][ T363] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 28.002592][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.010538][ T363] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000008 [ *[0;[ 28.020958][ T363] incfs: Can't find or create .index dir in ./file0 1;31m*[0;31[ 28.029273][ T334] BUG: Dentry ffff8881ecf7dbb0{i=0,n=.index} still in use (1) [unmount of vfat loop0] m*] A start [ 28.039213][ T334] ------------[ cut here ]------------ [ 28.045912][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 job is running f[ 28.054217][ T334] Modules linked in: [ 28.059487][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 28.071029][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.081118][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 28.086405][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 or dev-ttyS0.dev[ 28.106002][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 28.113441][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 28.121419][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 28.129382][ T334] RBP: ffff8881eed42420 R08: ffffffff814e8437 R09: ffffed103edc5e08 ice (20s / 1min [ 28.137360][ T334] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 28.146724][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecf7dbb0 [ 28.154686][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.163600][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.170170][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406f0 [ 28.178128][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.186263][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.194223][ T334] Call Trace: [ 28.197604][ T334] d_walk+0x2d9/0x540 30s)[ 28.201572][ T334] ? __d_free+0x20/0x20 [ 28.206048][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [ 28.211517][ T334] generic_shutdown_super+0x63/0x2a0 [ 28.216776][ T334] kill_block_super+0x79/0xd0 [ 28.221424][ T334] deactivate_locked_super+0xaf/0x100 [ 28.226784][ T334] deactivate_super+0x1b3/0x270 [ 28.231621][ T334] ? deactivate_locked_super+0x100/0x100 [ 28.237241][ T334] ? dput+0x4de/0x5d0 [ 28.241195][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 [ 28.246711][ T334] ? find_next_bit+0xc6/0x110 [ 28.251364][ T334] cleanup_mnt+0x432/0x4e0 [ 28.255752][ T334] task_work_run+0x186/0x1b0 [ 28.260450][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 28.265974][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.271903][ T334] RIP: 0033:0x446247 [ 28.275775][ T334] 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 [ 28.295354][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 28.303735][ T334] RAX: 0000000000000000 RBX: 0000000000006af4 RCX: 0000000000446247 [ 28.311677][ T334] RDX: 00007ffcb80cdf39 RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 28.319619][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 28.327587][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 28.335539][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 0000000000000009 [ 28.343483][ T334] ---[ end trace 9cc7b261bbd264e1 ]--- [ 28.349664][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 28.417981][ T367] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 28.427914][ T367] FAULT_INJECTION: forcing a failure. [ 28.427914][ T367] name failslab, interval 1, probability 0, space 0, times 0 [ 28.441143][ T367] CPU: 0 PID: 367 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 28.452690][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.462727][ T367] Call Trace: [ 28.466009][ T367] dump_stack+0x1d8/0x24e [ 28.470308][ T367] ? devkmsg_release+0x11c/0x11c [ 28.475212][ T367] ? __unwind_start+0x72f/0x8e0 [ 28.480030][ T367] ? show_regs_print_info+0x12/0x12 [ 28.485198][ T367] ? stack_trace_save+0x1f0/0x1f0 [ 28.490190][ T367] should_fail+0x6f6/0x860 [ 28.494595][ T367] ? setup_fault_attr+0x3d0/0x3d0 [ 28.499597][ T367] ? unwind_get_return_address+0x48/0x80 [ 28.505204][ T367] ? arch_stack_walk+0xf8/0x140 [ 28.510048][ T367] ? __d_alloc+0x2a/0x6a0 [ 28.514348][ T367] should_failslab+0x5/0x20 [ 28.518835][ T367] kmem_cache_alloc+0x36/0x290 [ 28.523571][ T367] __d_alloc+0x2a/0x6a0 [ 28.527696][ T367] ? stack_trace_snprint+0x150/0x150 [ 28.532949][ T367] d_alloc_parallel+0xf3/0x1350 [ 28.537778][ T367] ? avc_has_perm_noaudit+0x30c/0x400 [ 28.543144][ T367] ? avc_denied+0x1c0/0x1c0 [ 28.547613][ T367] ? ksys_mount+0xc2/0xf0 [ 28.551913][ T367] ? d_hash_and_lookup+0x1e0/0x1e0 [ 28.557193][ T367] ? __rcu_read_lock+0x50/0x50 [ 28.561952][ T367] ? selinux_inode_permission+0x445/0x690 [ 28.567728][ T367] __lookup_slow+0x14f/0x450 [ 28.572290][ T367] ? lookup_one_len+0x2c0/0x2c0 [ 28.577108][ T367] ? generic_permission+0x13a/0x490 [ 28.582296][ T367] lookup_one_len+0x17f/0x2c0 [ 28.586941][ T367] ? lookup_one_len_common+0x430/0x430 [ 28.592381][ T367] ? memcpy+0x38/0x50 [ 28.596335][ T367] incfs_lookup_dentry+0x5b/0xb0 [ 28.601245][ T367] open_or_create_special_dir+0x45/0x150 [ 28.606950][ T367] incfs_mount_fs+0x3e9/0x840 [ 28.611604][ T367] ? incfs_unlink+0x80/0x80 [ 28.616076][ T367] ? vfs_parse_fs_param+0x2cb/0x430 [ 28.621272][ T367] ? vfs_parse_fs_string+0x1e9/0x290 [ 28.626534][ T367] ? cap_capable+0x23f/0x280 [ 28.631101][ T367] legacy_get_tree+0xde/0x170 [ 28.635756][ T367] ? incfs_unlink+0x80/0x80 [ 28.640233][ T367] vfs_get_tree+0x83/0x260 [ 28.644622][ T367] do_mount+0x19d0/0x2670 [ 28.648921][ T367] ? copy_mount_string+0x30/0x30 [ 28.653829][ T367] ? _copy_from_user+0xa4/0xe0 [ 28.658561][ T367] ? copy_mount_options+0xc9/0x300 [ 28.663638][ T367] ? ksys_mount+0x8f/0xf0 [ 28.667934][ T367] ksys_mount+0xc2/0xf0 [ 28.672057][ T367] __x64_sys_mount+0xb1/0xc0 [ 28.676615][ T367] do_syscall_64+0xcb/0x1e0 [ 28.681090][ T367] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.686954][ T367] RIP: 0033:0x444ea9 [ 28.690820][ T367] 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 [ 28.710393][ T367] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 28.718806][ T367] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 28.718810][ T367] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 28.718815][ T367] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 28.718819][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.718822][ T367] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000009 [ 28.719705][ T367] incfs_lookup_dentry err:-12 executing program [ 28.763635][ T367] incfs: Can't find or create .index dir in ./file0 [ *** ] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ 28.808834][ T371] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 28.818817][ T371] FAULT_INJECTION: forcing a failure. [ 28.818817][ T371] name failslab, interval 1, probability 0, space 0, times 0 [ 28.832470][ T371] CPU: 0 PID: 371 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 28.844179][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.854212][ T371] Call Trace: [ 28.857483][ T371] dump_stack+0x1d8/0x24e [ 28.861791][ T371] ? devkmsg_release+0x11c/0x11c [ 28.866701][ T371] ? __unwind_start+0x72f/0x8e0 [ 28.871556][ T371] ? show_regs_print_info+0x12/0x12 [ 28.876725][ T371] ? stack_trace_save+0x1f0/0x1f0 [ 28.881722][ T371] should_fail+0x6f6/0x860 [ 28.886109][ T371] ? setup_fault_attr+0x3d0/0x3d0 [ 28.891108][ T371] ? unwind_get_return_address+0x48/0x80 [ 28.896720][ T371] ? arch_stack_walk+0xf8/0x140 [ 28.901542][ T371] ? __d_alloc+0x2a/0x6a0 [ 28.905841][ T371] should_failslab+0x5/0x20 [ 28.910316][ T371] kmem_cache_alloc+0x36/0x290 [ 28.915059][ T371] __d_alloc+0x2a/0x6a0 [ 28.919184][ T371] ? stack_trace_snprint+0x150/0x150 [ 28.924473][ T371] d_alloc_parallel+0xf3/0x1350 [ 28.929294][ T371] ? avc_has_perm_noaudit+0x30c/0x400 [ 28.934638][ T371] ? avc_denied+0x1c0/0x1c0 [ 28.939112][ T371] ? ksys_mount+0xc2/0xf0 [ 28.943434][ T371] ? d_hash_and_lookup+0x1e0/0x1e0 [ 28.948518][ T371] ? __rcu_read_lock+0x50/0x50 [ 28.953267][ T371] ? selinux_inode_permission+0x445/0x690 [ 28.958970][ T371] __lookup_slow+0x14f/0x450 [ 28.963534][ T371] ? lookup_one_len+0x2c0/0x2c0 [ 28.968354][ T371] ? generic_permission+0x13a/0x490 [ 28.973546][ T371] lookup_one_len+0x17f/0x2c0 [ 28.978192][ T371] ? lookup_one_len_common+0x430/0x430 [ 28.983622][ T371] ? memcpy+0x38/0x50 [ 28.987575][ T371] incfs_lookup_dentry+0x5b/0xb0 [ 28.992499][ T371] open_or_create_special_dir+0x45/0x150 [ 28.998109][ T371] incfs_mount_fs+0x3e9/0x840 [ 29.002765][ T371] ? incfs_unlink+0x80/0x80 [ 29.007238][ T371] ? vfs_parse_fs_param+0x2cb/0x430 [ 29.012439][ T371] ? vfs_parse_fs_string+0x1e9/0x290 [ 29.017691][ T371] ? cap_capable+0x23f/0x280 [ 29.022253][ T371] legacy_get_tree+0xde/0x170 [ 29.026897][ T371] ? incfs_unlink+0x80/0x80 [ 29.031368][ T371] vfs_get_tree+0x83/0x260 [ 29.035753][ T371] do_mount+0x19d0/0x2670 [ 29.040052][ T371] ? copy_mount_string+0x30/0x30 [ 29.044963][ T371] ? _copy_from_user+0xa4/0xe0 [ 29.049695][ T371] ? copy_mount_options+0xc9/0x300 [ 29.054773][ T371] ? ksys_mount+0x8f/0xf0 [ 29.059071][ T371] ksys_mount+0xc2/0xf0 [ 29.063199][ T371] __x64_sys_mount+0xb1/0xc0 [ 29.067763][ T371] do_syscall_64+0xcb/0x1e0 [ 29.072261][ T371] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.078131][ T371] RIP: 0033:0x444ea9 [ 29.081997][ T371] 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 [ 29.101571][ T371] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.109951][ T371] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 29.117892][ T371] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 29.125836][ T371] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 29.133794][ T371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.141752][ T371] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000a [ 29.150674][ T371] incfs_lookup_dentry err:-12 [ 29.155406][ T371] incfs: Can't find or create .index dir in ./file0 executing program [ *** ] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ 29.207950][ T375] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 29.217800][ T375] FAULT_INJECTION: forcing a failure. [ 29.217800][ T375] name failslab, interval 1, probability 0, space 0, times 0 [ 29.230457][ T375] CPU: 1 PID: 375 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 29.241993][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.252150][ T375] Call Trace: [ 29.255420][ T375] dump_stack+0x1d8/0x24e [ 29.259726][ T375] ? devkmsg_release+0x11c/0x11c [ 29.264635][ T375] ? stack_trace_save+0x1f0/0x1f0 [ 29.269636][ T375] ? show_regs_print_info+0x12/0x12 [ 29.274808][ T375] ? __kernel_text_address+0x93/0x100 [ 29.280178][ T375] ? unwind_get_return_address+0x48/0x80 [ 29.285790][ T375] ? arch_stack_walk+0xf8/0x140 [ 29.290617][ T375] should_fail+0x6f6/0x860 [ 29.295005][ T375] ? setup_fault_attr+0x3d0/0x3d0 [ 29.300000][ T375] ? ebitmap_cmp+0x1b8/0x220 [ 29.304561][ T375] ? mls_compute_context_len+0x7dd/0x810 [ 29.310165][ T375] ? context_struct_to_string+0x43b/0x8b0 [ 29.315856][ T375] should_failslab+0x5/0x20 [ 29.320359][ T375] __kmalloc+0x5f/0x2f0 [ 29.324620][ T375] context_struct_to_string+0x43b/0x8b0 [ 29.330152][ T375] ? security_bounded_transition+0x560/0x560 [ 29.336123][ T375] ? symhash+0xe0/0xe0 [ 29.340167][ T375] ? hashtab_search+0x1bf/0x200 [ 29.344992][ T375] context_add_hash+0x13f/0x270 [ 29.349819][ T375] ? security_sid_to_context_inval+0x40/0x40 [ 29.355788][ T375] ? mls_context_isvalid+0x98/0x380 [ 29.360976][ T375] ? policydb_context_isvalid+0x1b6/0x400 [ 29.366668][ T375] security_compute_sid+0x1142/0x1d00 [ 29.372042][ T375] ? __rcu_read_lock+0x50/0x50 [ 29.376781][ T375] ? security_transition_sid+0x90/0x90 [ 29.382229][ T375] ? avc_denied+0x1c0/0x1c0 [ 29.386704][ T375] ? avc_has_perm_noaudit+0x400/0x400 [ 29.392045][ T375] ? avc_has_perm_noaudit+0x30c/0x400 [ 29.397387][ T375] security_transition_sid+0x78/0x90 [ 29.402643][ T375] may_create+0x62b/0x960 [ 29.406944][ T375] ? show_sid+0x250/0x250 [ 29.411248][ T375] ? selinux_inode_permission+0x445/0x690 [ 29.416952][ T375] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 29.422736][ T375] ? from_kgid+0x206/0x350 [ 29.427122][ T375] ? make_kgid+0x390/0x390 [ 29.431508][ T375] ? generic_permission+0x13a/0x490 [ 29.436675][ T375] security_inode_mkdir+0x96/0x120 [ 29.441762][ T375] vfs_mkdir+0x34a/0x5f0 [ 29.445978][ T375] open_or_create_special_dir+0xba/0x150 [ 29.451582][ T375] incfs_mount_fs+0x3e9/0x840 [ 29.456257][ T375] ? incfs_unlink+0x80/0x80 [ 29.460739][ T375] ? vfs_parse_fs_param+0x2cb/0x430 [ 29.465907][ T375] ? vfs_parse_fs_string+0x1e9/0x290 [ 29.471177][ T375] ? cap_capable+0x23f/0x280 [ 29.475736][ T375] legacy_get_tree+0xde/0x170 [ 29.480383][ T375] ? incfs_unlink+0x80/0x80 [ 29.484854][ T375] vfs_get_tree+0x83/0x260 [ 29.489240][ T375] do_mount+0x19d0/0x2670 [ 29.493538][ T375] ? copy_mount_string+0x30/0x30 [ 29.498446][ T375] ? _copy_from_user+0xa4/0xe0 [ 29.503177][ T375] ? copy_mount_options+0xc9/0x300 [ 29.508268][ T375] ? ksys_mount+0x8f/0xf0 [ 29.512567][ T375] ksys_mount+0xc2/0xf0 [ 29.516708][ T375] __x64_sys_mount+0xb1/0xc0 [ 29.521313][ T375] do_syscall_64+0xcb/0x1e0 [ 29.525816][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.531682][ T375] RIP: 0033:0x444ea9 [ 29.535550][ T375] 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 [ 29.555365][ T375] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.563756][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 29.571924][ T375] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 29.580049][ T375] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 29.587995][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.595948][ T375] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000b [ 29.603988][ T375] incfs: Can't find or create .index dir in ./file0 [*[0[ 29.613408][ T334] BUG: Dentry ffff8881e60f8110{i=0,n=.index} still in use (1) [unmount of vfat loop0] ;1;31m*[0;3[ 29.624405][ T334] ------------[ cut here ]------------ [ 29.631083][ T334] WARNING: CPU: 1 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 29.639377][ T334] Modules linked in: [ 29.643260][ T334] CPU: 1 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 29.654900][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.664971][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 29.670230][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 29.690196][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 29.696253][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 29.704212][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 29.712177][ T334] RBP: ffff8881ee7a3420 R08: ffffffff814e8437 R09: ffffed103ede5e08 [ 29.720123][ T334] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 29.728087][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e60f8110 [ 29.736036][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 29.744942][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.751715][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406e0 [ 29.759792][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.767768][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.775719][ T334] Call Trace: [ 29.779007][ T334] d_walk+0x2d9/0x540 [ 29.783171][ T334] ? __d_free+0x20/0x20 [ 29.787304][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [ 29.792740][ T334] generic_shutdown_super+0x63/0x2a0 [ 29.798025][ T334] kill_block_super+0x79/0xd0 [ 29.802692][ T334] deactivate_locked_super+0xaf/0x100 [ 29.808043][ T334] deactivate_super+0x1b3/0x270 [ 29.812991][ T334] ? deactivate_locked_super+0x100/0x100 [ 29.818608][ T334] ? dput+0x4de/0x5d0 [ 29.822685][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 [ 29.828222][ T334] ? find_next_bit+0xc6/0x110 [ 29.833000][ T334] cleanup_mnt+0x432/0x4e0 [ 29.837399][ T334] ? switch_fpu_return+0x10/0x10 [ 29.842320][ T334] task_work_run+0x186/0x1b0 [ 29.846884][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 29.852406][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.858295][ T334] RIP: 0033:0x446247 [ 29.862164][ T334] 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 [ 29.881832][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 29.890216][ T334] RAX: 0000000000000000 RBX: 000000000000712a RCX: 0000000000446247 [ 29.898161][ T334] RDX: 00007ffcb80cdf3a RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 29.906108][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 29.914053][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 29.921999][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 000000000000000c [ 29.929948][ T334] ---[ end trace 9cc7b261bbd264e2 ]--- 1m* ] A st[ 29.936341][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program art job is running for dev-ttyS0.device (22s / 1min 30s)[ 30.016588][ T379] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 30.034318][ T379] FAULT_INJECTION: forcing a failure. [ 30.034318][ T379] name failslab, interval 1, probability 0, space 0, times 0 [ 30.047314][ T379] CPU: 1 PID: 379 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 30.058850][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.068979][ T379] Call Trace: [ 30.072253][ T379] dump_stack+0x1d8/0x24e [ 30.076558][ T379] ? devkmsg_release+0x11c/0x11c [ 30.081490][ T379] ? stack_trace_save+0x1f0/0x1f0 [ 30.086492][ T379] ? show_regs_print_info+0x12/0x12 [ 30.091670][ T379] ? __kernel_text_address+0x93/0x100 [ 30.097016][ T379] ? unwind_get_return_address+0x48/0x80 [ 30.102620][ T379] ? arch_stack_walk+0xf8/0x140 [ 30.107547][ T379] should_fail+0x6f6/0x860 [ 30.111957][ T379] ? setup_fault_attr+0x3d0/0x3d0 [ 30.116968][ T379] ? ebitmap_cmp+0x1b8/0x220 [ 30.121533][ T379] ? mls_compute_context_len+0x7dd/0x810 [ 30.127134][ T379] ? context_struct_to_string+0x43b/0x8b0 [ 30.132823][ T379] should_failslab+0x5/0x20 [ 30.137296][ T379] __kmalloc+0x5f/0x2f0 [ 30.141424][ T379] context_struct_to_string+0x43b/0x8b0 [ 30.146949][ T379] ? security_bounded_transition+0x560/0x560 [ 30.152915][ T379] ? symhash+0xe0/0xe0 [ 30.156972][ T379] ? hashtab_search+0x1bf/0x200 [ 30.161792][ T379] context_add_hash+0x13f/0x270 [ 30.166615][ T379] ? security_sid_to_context_inval+0x40/0x40 [ 30.172569][ T379] ? mls_context_isvalid+0x98/0x380 [ 30.177738][ T379] ? policydb_context_isvalid+0x1b6/0x400 [ 30.183428][ T379] security_compute_sid+0x1142/0x1d00 [ 30.188773][ T379] ? __rcu_read_lock+0x50/0x50 [ 30.193521][ T379] ? security_transition_sid+0x90/0x90 [ 30.198965][ T379] ? avc_denied+0x1c0/0x1c0 [ 30.203443][ T379] ? avc_has_perm_noaudit+0x400/0x400 [ 30.208794][ T379] ? avc_has_perm_noaudit+0x30c/0x400 [ 30.214145][ T379] security_transition_sid+0x78/0x90 [ 30.219486][ T379] may_create+0x62b/0x960 [ 30.223792][ T379] ? show_sid+0x250/0x250 [ 30.228122][ T379] ? selinux_inode_permission+0x445/0x690 [ 30.233814][ T379] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 30.239599][ T379] ? from_kgid+0x206/0x350 [ 30.243989][ T379] ? make_kgid+0x390/0x390 [ 30.248388][ T379] ? generic_permission+0x13a/0x490 [ 30.253562][ T379] security_inode_mkdir+0x96/0x120 [ 30.258665][ T379] vfs_mkdir+0x34a/0x5f0 [ 30.262907][ T379] open_or_create_special_dir+0xba/0x150 [ 30.268511][ T379] incfs_mount_fs+0x3e9/0x840 [ 30.273181][ T379] ? incfs_unlink+0x80/0x80 [ 30.277656][ T379] ? vfs_parse_fs_param+0x2cb/0x430 [ 30.282842][ T379] ? vfs_parse_fs_string+0x1e9/0x290 [ 30.288099][ T379] ? cap_capable+0x23f/0x280 [ 30.292667][ T379] legacy_get_tree+0xde/0x170 [ 30.297314][ T379] ? incfs_unlink+0x80/0x80 [ 30.301909][ T379] vfs_get_tree+0x83/0x260 [ 30.306300][ T379] do_mount+0x19d0/0x2670 [ 30.310603][ T379] ? copy_mount_string+0x30/0x30 [ 30.315514][ T379] ? _copy_from_user+0xa4/0xe0 [ 30.320260][ T379] ? copy_mount_options+0xc9/0x300 [ 30.325877][ T379] ? ksys_mount+0x8f/0xf0 [ 30.330187][ T379] ksys_mount+0xc2/0xf0 [ 30.334331][ T379] __x64_sys_mount+0xb1/0xc0 [ 30.338901][ T379] do_syscall_64+0xcb/0x1e0 [ 30.343405][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.349307][ T379] RIP: 0033:0x444ea9 [ 30.353175][ T379] 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 [ 30.372893][ T379] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 30.381278][ T379] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 30.389238][ T379] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 30.397181][ T379] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 30.405127][ T379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 30.413075][ T379] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000c [ 30.422048][ T379] incfs: Can't find or create .index dir in ./file0 [ 30.430097][ T334] BUG: Dentry ffff8881e607e770{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ 30.439886][ T334] ------------[ cut here ]------------ [ 30.445343][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 30.453643][ T334] Modules linked in: [ 30.457532][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 30.469073][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.479205][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 30.484471][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 30.504067][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 30.510119][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 30.518072][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 30.526023][ T334] RBP: ffff8881ec633420 R08: ffffffff814e8437 R09: ffffed103edc5e08 [ 30.533981][ T334] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 30.541997][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e607e770 [ 30.549971][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.558885][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.565453][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406f0 [ 30.573411][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.581364][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.589353][ T334] Call Trace: [ 30.592626][ T334] d_walk+0x2d9/0x540 [*[ 30.596617][ T334] ? __d_free+0x20/0x20 [ 30.602133][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [0m* [ 30.607604][ T334] generic_shutdown_super+0x63/0x2a0 [ 30.614271][ T334] kill_block_super+0x79/0xd0 [ 30.618950][ T334] deactivate_locked_super+0xaf/0x100 [0m] A start job[ 30.624303][ T334] deactivate_super+0x1b3/0x270 [ 30.630798][ T334] ? deactivate_locked_super+0x100/0x100 is running for [ 30.636433][ T334] ? dput+0x4de/0x5d0 [ 30.641784][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 dev-ttyS0.device[ 30.647338][ T334] ? find_next_bit+0xc6/0x110 [ 30.653380][ T334] cleanup_mnt+0x432/0x4e0 (23s / 1min 30s[ 30.657803][ T334] task_work_run+0x186/0x1b0 [ 30.663888][ T334] prepare_exit_to_usermode+0x2b0/0x310 )[ 30.669645][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.675611][ T334] RIP: 0033:0x446247 [ 30.679503][ T334] 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 [ 30.699088][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 30.707731][ T334] RAX: 0000000000000000 RBX: 0000000000007443 RCX: 0000000000446247 [ 30.715695][ T334] RDX: 00007ffcb80cdf3a RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 30.723651][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 30.731612][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 30.739578][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 000000000000000d [ 30.747540][ T334] ---[ end trace 9cc7b261bbd264e3 ]--- [ 30.754018][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 30.823668][ T383] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 30.834224][ T383] FAULT_INJECTION: forcing a failure. [ 30.834224][ T383] name failslab, interval 1, probability 0, space 0, times 0 [ 30.846981][ T383] CPU: 0 PID: 383 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 30.858613][ T383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.868645][ T383] Call Trace: [ 30.871930][ T383] dump_stack+0x1d8/0x24e [ 30.876226][ T383] ? devkmsg_release+0x11c/0x11c [ 30.881148][ T383] ? show_regs_print_info+0x12/0x12 [ 30.886316][ T383] ? __schedule+0x9b8/0x1170 [ 30.890888][ T383] ? stack_trace_save+0x1f0/0x1f0 [ 30.895881][ T383] should_fail+0x6f6/0x860 [ 30.900267][ T383] ? setup_fault_attr+0x3d0/0x3d0 [ 30.905258][ T383] ? unwind_get_return_address+0x48/0x80 [ 30.910856][ T383] ? arch_stack_walk+0xf8/0x140 [ 30.915676][ T383] ? __d_alloc+0x2a/0x6a0 [ 30.919974][ T383] should_failslab+0x5/0x20 [ 30.924446][ T383] kmem_cache_alloc+0x36/0x290 [ 30.929177][ T383] __d_alloc+0x2a/0x6a0 [ 30.933300][ T383] ? retint_kernel+0x1b/0x1b [ 30.937856][ T383] d_alloc_parallel+0xf3/0x1350 [ 30.942690][ T383] ? avc_has_perm_noaudit+0x2f1/0x400 [ 30.948034][ T383] ? __rcu_read_unlock+0x115/0x6a0 [ 30.953112][ T383] ? avc_has_perm_noaudit+0x30c/0x400 [ 30.958450][ T383] ? avc_denied+0x1c0/0x1c0 [ 30.962921][ T383] ? ksys_mount+0xc2/0xf0 [ 30.967235][ T383] ? d_hash_and_lookup+0x1e0/0x1e0 [ 30.972314][ T383] ? __rcu_read_lock+0x50/0x50 [ 30.977073][ T383] ? selinux_inode_permission+0x445/0x690 [ 30.982772][ T383] __lookup_slow+0x14f/0x450 [ 30.987347][ T383] ? lookup_one_len+0x2c0/0x2c0 [ 30.992165][ T383] ? generic_permission+0x13a/0x490 [ 30.997332][ T383] lookup_one_len+0x17f/0x2c0 [ 31.001978][ T383] ? lookup_one_len_common+0x430/0x430 [ 31.007419][ T383] ? memcpy+0x38/0x50 [ 31.011372][ T383] incfs_lookup_dentry+0x5b/0xb0 [ 31.016280][ T383] open_or_create_special_dir+0x45/0x150 [ 31.021880][ T383] incfs_mount_fs+0x3e9/0x840 [ 31.026528][ T383] ? incfs_unlink+0x80/0x80 [ 31.030999][ T383] ? vfs_parse_fs_param+0x2cb/0x430 [ 31.036164][ T383] ? vfs_parse_fs_string+0x1e9/0x290 [ 31.041419][ T383] ? cap_capable+0x23f/0x280 [ 31.045980][ T383] legacy_get_tree+0xde/0x170 [ 31.050651][ T383] ? incfs_unlink+0x80/0x80 [ 31.055123][ T383] vfs_get_tree+0x83/0x260 [ 31.059506][ T383] do_mount+0x19d0/0x2670 [ 31.063821][ T383] ? copy_mount_string+0x30/0x30 [ 31.068736][ T383] ? _copy_from_user+0xa4/0xe0 [ 31.073484][ T383] ? copy_mount_options+0xc9/0x300 [ 31.078577][ T383] ? ksys_mount+0x8f/0xf0 [ 31.082885][ T383] ksys_mount+0xc2/0xf0 [ 31.087016][ T383] __x64_sys_mount+0xb1/0xc0 [ 31.091575][ T383] do_syscall_64+0xcb/0x1e0 [ 31.096047][ T383] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.102072][ T383] RIP: 0033:0x444ea9 [ 31.105946][ T383] 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 [ 31.125522][ T383] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 31.133945][ T383] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 31.141906][ T383] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 31.149860][ T383] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 31.157802][ T383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 31.165745][ T383] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000d [ 31.181394][ T383] incfs_lookup_dentry err:-12 [ 31.186805][ T383] incfs: Can't find or create .index dir in ./file0 executing program [* ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[ 31.291175][ T387] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 31.301881][ T387] FAULT_INJECTION: forcing a failure. [ 31.301881][ T387] name failslab, interval 1, probability 0, space 0, times 0 [ 31.315216][ T387] CPU: 0 PID: 387 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 31.326841][ T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.336892][ T387] Call Trace: [ 31.340302][ T387] dump_stack+0x1d8/0x24e [ 31.344606][ T387] ? devkmsg_release+0x11c/0x11c [ 31.349640][ T387] ? __unwind_start+0x72f/0x8e0 [ 31.354458][ T387] ? show_regs_print_info+0x12/0x12 [ 31.359625][ T387] ? stack_trace_save+0x1f0/0x1f0 [ 31.364635][ T387] should_fail+0x6f6/0x860 [ 31.369061][ T387] ? setup_fault_attr+0x3d0/0x3d0 [ 31.374053][ T387] ? unwind_get_return_address+0x48/0x80 [ 31.379678][ T387] ? arch_stack_walk+0xf8/0x140 [ 31.384509][ T387] ? __d_alloc+0x2a/0x6a0 [ 31.388805][ T387] should_failslab+0x5/0x20 [ 31.393288][ T387] kmem_cache_alloc+0x36/0x290 [ 31.398022][ T387] __d_alloc+0x2a/0x6a0 [ 31.402156][ T387] ? stack_trace_snprint+0x150/0x150 [ 31.407500][ T387] d_alloc_parallel+0xf3/0x1350 [ 31.412318][ T387] ? avc_has_perm_noaudit+0x30c/0x400 [ 31.417659][ T387] ? avc_denied+0x1c0/0x1c0 [ 31.422132][ T387] ? ksys_mount+0xc2/0xf0 [ 31.426439][ T387] ? d_hash_and_lookup+0x1e0/0x1e0 [ 31.431522][ T387] ? __rcu_read_lock+0x50/0x50 [ 31.436262][ T387] ? selinux_inode_permission+0x445/0x690 [ 31.441975][ T387] __lookup_slow+0x14f/0x450 [ 31.446541][ T387] ? lookup_one_len+0x2c0/0x2c0 [ 31.451356][ T387] ? generic_permission+0x13a/0x490 [ 31.456526][ T387] lookup_one_len+0x17f/0x2c0 [ 31.461175][ T387] ? lookup_one_len_common+0x430/0x430 [ 31.466624][ T387] ? memcpy+0x38/0x50 [ 31.470577][ T387] incfs_lookup_dentry+0x5b/0xb0 [ 31.475484][ T387] open_or_create_special_dir+0x45/0x150 [ 31.481087][ T387] incfs_mount_fs+0x3e9/0x840 [ 31.485747][ T387] ? incfs_unlink+0x80/0x80 [ 31.490217][ T387] ? vfs_parse_fs_param+0x2cb/0x430 [ 31.495571][ T387] ? vfs_parse_fs_string+0x1e9/0x290 [ 31.500840][ T387] ? cap_capable+0x23f/0x280 [ 31.505414][ T387] legacy_get_tree+0xde/0x170 [ 31.510066][ T387] ? incfs_unlink+0x80/0x80 [ 31.514539][ T387] vfs_get_tree+0x83/0x260 [ 31.518927][ T387] do_mount+0x19d0/0x2670 [ 31.523237][ T387] ? copy_mount_string+0x30/0x30 [ 31.528157][ T387] ? _copy_from_user+0xa4/0xe0 [ 31.532899][ T387] ? copy_mount_options+0xc9/0x300 [ 31.537978][ T387] ? ksys_mount+0x8f/0xf0 [ 31.542278][ T387] ksys_mount+0xc2/0xf0 [ 31.546414][ T387] __x64_sys_mount+0xb1/0xc0 [ 31.551082][ T387] do_syscall_64+0xcb/0x1e0 [ 31.555558][ T387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.561448][ T387] RIP: 0033:0x444ea9 [ 31.565315][ T387] 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 [ 31.584903][ T387] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 31.593284][ T387] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 31.601227][ T387] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 31.609603][ T387] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 31.617545][ T387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 31.625485][ T387] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000e [ 31.634422][ T387] incfs_lookup_dentry err:-12 [ 31.639137][ T387] incfs: Can't find or create .index dir in ./file0 executing program [** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[ 31.731899][ T390] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 31.741800][ T390] FAULT_INJECTION: forcing a failure. [ 31.741800][ T390] name failslab, interval 1, probability 0, space 0, times 0 [ 31.754485][ T390] CPU: 0 PID: 390 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 31.766014][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.776199][ T390] Call Trace: [ 31.779487][ T390] dump_stack+0x1d8/0x24e [ 31.783794][ T390] ? devkmsg_release+0x11c/0x11c [ 31.788701][ T390] ? __unwind_start+0x72f/0x8e0 [ 31.793525][ T390] ? show_regs_print_info+0x12/0x12 [ 31.798722][ T390] ? stack_trace_save+0x1f0/0x1f0 [ 31.803732][ T390] should_fail+0x6f6/0x860 [ 31.808128][ T390] ? setup_fault_attr+0x3d0/0x3d0 [ 31.813132][ T390] ? unwind_get_return_address+0x48/0x80 [ 31.818739][ T390] ? arch_stack_walk+0xf8/0x140 [ 31.823561][ T390] ? __d_alloc+0x2a/0x6a0 [ 31.827894][ T390] should_failslab+0x5/0x20 [ 31.832370][ T390] kmem_cache_alloc+0x36/0x290 [ 31.837128][ T390] __d_alloc+0x2a/0x6a0 [ 31.841263][ T390] ? stack_trace_snprint+0x150/0x150 [ 31.846517][ T390] d_alloc_parallel+0xf3/0x1350 [ 31.851350][ T390] ? avc_has_perm_noaudit+0x30c/0x400 [ 31.856688][ T390] ? avc_denied+0x1c0/0x1c0 [ 31.861169][ T390] ? ksys_mount+0xc2/0xf0 [ 31.865484][ T390] ? d_hash_and_lookup+0x1e0/0x1e0 [ 31.870562][ T390] ? __rcu_read_lock+0x50/0x50 [ 31.875291][ T390] ? selinux_inode_permission+0x445/0x690 [ 31.880994][ T390] __lookup_slow+0x14f/0x450 [ 31.885565][ T390] ? lookup_one_len+0x2c0/0x2c0 [ 31.890391][ T390] ? generic_permission+0x13a/0x490 [ 31.895568][ T390] lookup_one_len+0x17f/0x2c0 [ 31.900213][ T390] ? lookup_one_len_common+0x430/0x430 [ 31.905638][ T390] ? memcpy+0x38/0x50 [ 31.909681][ T390] incfs_lookup_dentry+0x5b/0xb0 [ 31.914597][ T390] open_or_create_special_dir+0x45/0x150 [ 31.920215][ T390] incfs_mount_fs+0x3e9/0x840 [ 31.924876][ T390] ? incfs_unlink+0x80/0x80 [ 31.929365][ T390] ? vfs_parse_fs_param+0x2cb/0x430 [ 31.934543][ T390] ? vfs_parse_fs_string+0x1e9/0x290 [ 31.939795][ T390] ? cap_capable+0x23f/0x280 [ 31.944360][ T390] legacy_get_tree+0xde/0x170 [ 31.949005][ T390] ? incfs_unlink+0x80/0x80 [ 31.953474][ T390] vfs_get_tree+0x83/0x260 [ 31.957861][ T390] do_mount+0x19d0/0x2670 [ 31.962183][ T390] ? copy_mount_string+0x30/0x30 [ 31.967106][ T390] ? _copy_from_user+0xa4/0xe0 [ 31.971837][ T390] ? copy_mount_options+0xc9/0x300 [ 31.976916][ T390] ? ksys_mount+0x8f/0xf0 [ 31.981215][ T390] ksys_mount+0xc2/0xf0 [ 31.985351][ T390] __x64_sys_mount+0xb1/0xc0 [ 31.989907][ T390] do_syscall_64+0xcb/0x1e0 [ 31.994377][ T390] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.000237][ T390] RIP: 0033:0x444ea9 [ 32.004099][ T390] 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 [ 32.023763][ T390] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 32.032144][ T390] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 32.040097][ T390] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 32.048050][ T390] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 32.055995][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 32.064062][ T390] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 000000000000000f [ 32.072203][ T390] incfs_lookup_dentry err:-12 [ 32.077119][ T390] incfs: Can't find or create .index dir in ./file0 executing program [*** ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[ 32.177455][ T393] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.187386][ T393] FAULT_INJECTION: forcing a failure. [ 32.187386][ T393] name failslab, interval 1, probability 0, space 0, times 0 [ 32.200827][ T393] CPU: 0 PID: 393 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 32.212359][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.222387][ T393] Call Trace: [ 32.225702][ T393] dump_stack+0x1d8/0x24e [ 32.230005][ T393] ? devkmsg_release+0x11c/0x11c [ 32.234958][ T393] ? __unwind_start+0x72f/0x8e0 [ 32.239781][ T393] ? show_regs_print_info+0x12/0x12 [ 32.244960][ T393] ? stack_trace_save+0x1f0/0x1f0 [ 32.249954][ T393] should_fail+0x6f6/0x860 [ 32.254341][ T393] ? setup_fault_attr+0x3d0/0x3d0 [ 32.259402][ T393] ? unwind_get_return_address+0x48/0x80 [ 32.265092][ T393] ? arch_stack_walk+0xf8/0x140 [ 32.269915][ T393] ? __d_alloc+0x2a/0x6a0 [ 32.274215][ T393] should_failslab+0x5/0x20 [ 32.278689][ T393] kmem_cache_alloc+0x36/0x290 [ 32.283425][ T393] __d_alloc+0x2a/0x6a0 [ 32.287567][ T393] ? stack_trace_snprint+0x150/0x150 [ 32.292824][ T393] d_alloc_parallel+0xf3/0x1350 [ 32.297667][ T393] ? avc_has_perm_noaudit+0x30c/0x400 [ 32.303008][ T393] ? avc_denied+0x1c0/0x1c0 [ 32.307520][ T393] ? ksys_mount+0xc2/0xf0 [ 32.311913][ T393] ? d_hash_and_lookup+0x1e0/0x1e0 [ 32.316994][ T393] ? __rcu_read_lock+0x50/0x50 [ 32.321727][ T393] ? selinux_inode_permission+0x445/0x690 [ 32.327416][ T393] __lookup_slow+0x14f/0x450 [ 32.332094][ T393] ? lookup_one_len+0x2c0/0x2c0 [ 32.336940][ T393] lookup_one_len+0x17f/0x2c0 [ 32.341602][ T393] ? lookup_one_len_common+0x430/0x430 [ 32.347038][ T393] ? memcpy+0x38/0x50 [ 32.351013][ T393] incfs_lookup_dentry+0x5b/0xb0 [ 32.355936][ T393] open_or_create_special_dir+0x45/0x150 [ 32.361541][ T393] incfs_mount_fs+0x3e9/0x840 [ 32.366189][ T393] ? incfs_unlink+0x80/0x80 [ 32.370678][ T393] ? vfs_parse_fs_param+0x2cb/0x430 [ 32.375873][ T393] ? vfs_parse_fs_string+0x1e9/0x290 [ 32.381132][ T393] ? cap_capable+0x23f/0x280 [ 32.385693][ T393] legacy_get_tree+0xde/0x170 [ 32.390517][ T393] ? incfs_unlink+0x80/0x80 [ 32.394989][ T393] vfs_get_tree+0x83/0x260 [ 32.399395][ T393] do_mount+0x19d0/0x2670 [ 32.403695][ T393] ? copy_mount_string+0x30/0x30 [ 32.408600][ T393] ? _copy_from_user+0xa4/0xe0 [ 32.413328][ T393] ? copy_mount_options+0xc9/0x300 [ 32.418405][ T393] ? ksys_mount+0x8f/0xf0 [ 32.422701][ T393] ksys_mount+0xc2/0xf0 [ 32.426838][ T393] __x64_sys_mount+0xb1/0xc0 [ 32.431399][ T393] do_syscall_64+0xcb/0x1e0 [ 32.435871][ T393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.441736][ T393] RIP: 0033:0x444ea9 [ 32.445686][ T393] 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 [ 32.465261][ T393] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 32.473677][ T393] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 32.473682][ T393] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 32.473686][ T393] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 32.473690][ T393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 32.473694][ T393] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000010 [ 32.484689][ T393] incfs_lookup_dentry err:-12 [ 32.519223][ T393] incfs: Can't find or create .index dir in ./file0 executing program [ *** ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[ 32.613437][ T396] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.631064][ T396] FAULT_INJECTION: forcing a failure. [ 32.631064][ T396] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 32.644369][ T396] CPU: 0 PID: 396 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 32.656092][ T396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.666127][ T396] Call Trace: [ 32.669417][ T396] dump_stack+0x1d8/0x24e [ 32.673720][ T396] ? devkmsg_release+0x11c/0x11c [ 32.678649][ T396] ? __kernel_text_address+0x93/0x100 [ 32.683995][ T396] ? show_regs_print_info+0x12/0x12 [ 32.689165][ T396] ? unwind_get_return_address+0x48/0x80 [ 32.694767][ T396] ? arch_stack_walk+0xf8/0x140 [ 32.699613][ T396] should_fail+0x6f6/0x860 [ 32.704022][ T396] ? setup_fault_attr+0x3d0/0x3d0 [ 32.709054][ T396] ? stack_trace_save+0x120/0x1f0 [ 32.714059][ T396] __alloc_pages_nodemask+0x1c4/0x880 [ 32.719408][ T396] ? __kasan_kmalloc+0x1a3/0x1e0 [ 32.724317][ T396] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 32.729846][ T396] ? vfs_get_tree+0x83/0x260 [ 32.734418][ T396] ? do_mount+0x19d0/0x2670 [ 32.738891][ T396] ? ksys_mount+0xc2/0xf0 [ 32.743205][ T396] ? __x64_sys_mount+0xb1/0xc0 [ 32.747962][ T396] ? do_syscall_64+0xcb/0x1e0 [ 32.752610][ T396] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.758656][ T396] alloc_slab_page+0x39/0x3e0 [ 32.763326][ T396] new_slab+0x97/0x460 [ 32.767366][ T396] ? check_preemption_disabled+0x154/0x330 [ 32.773142][ T396] ___slab_alloc+0x330/0x4c0 [ 32.777702][ T396] ? kzalloc+0x1d/0x30 [ 32.781741][ T396] __kmalloc+0x1ee/0x2f0 [ 32.785952][ T396] ? kzalloc+0x1d/0x30 [ 32.789991][ T396] kzalloc+0x1d/0x30 [ 32.793958][ T396] incfs_realloc_mount_info+0x90/0x4a0 [ 32.799393][ T396] incfs_alloc_mount_info+0x45b/0x520 [ 32.804754][ T396] incfs_mount_fs+0x3ab/0x840 [ 32.809422][ T396] ? incfs_unlink+0x80/0x80 [ 32.813908][ T396] ? vfs_parse_fs_param+0x2cb/0x430 [ 32.819089][ T396] ? vfs_parse_fs_string+0x1e9/0x290 [ 32.824360][ T396] ? cap_capable+0x23f/0x280 [ 32.828986][ T396] legacy_get_tree+0xde/0x170 [ 32.833663][ T396] ? incfs_unlink+0x80/0x80 [ 32.838176][ T396] vfs_get_tree+0x83/0x260 [ 32.842567][ T396] do_mount+0x19d0/0x2670 [ 32.846866][ T396] ? copy_mount_string+0x30/0x30 [ 32.851774][ T396] ? _copy_from_user+0xa4/0xe0 [ 32.856504][ T396] ? copy_mount_options+0xc9/0x300 [ 32.861595][ T396] ? ksys_mount+0x8f/0xf0 [ 32.865901][ T396] ksys_mount+0xc2/0xf0 [ 32.870026][ T396] __x64_sys_mount+0xb1/0xc0 [ 32.874585][ T396] do_syscall_64+0xcb/0x1e0 [ 32.879075][ T396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.884949][ T396] RIP: 0033:0x444ea9 [ 32.888815][ T396] 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 [ 32.908536][ T396] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 32.916918][ T396] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 32.924860][ T396] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 32.932804][ T396] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 32.940906][ T396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 32.948988][ T396] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000011 [ 32.967881][ T396] incfs: ino conflict with backing FS 1 [ *[0;1[ 32.975034][ T149] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) executing program ;31m** ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[ 33.057653][ T399] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 33.074797][ T399] FAULT_INJECTION: forcing a failure. [ 33.074797][ T399] name failslab, interval 1, probability 0, space 0, times 0 [ 33.087527][ T399] CPU: 1 PID: 399 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 33.099196][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.109229][ T399] Call Trace: [ 33.112504][ T399] dump_stack+0x1d8/0x24e [ 33.116811][ T399] ? devkmsg_release+0x11c/0x11c [ 33.121729][ T399] ? __unwind_start+0x72f/0x8e0 [ 33.126552][ T399] ? show_regs_print_info+0x12/0x12 [ 33.131729][ T399] ? stack_trace_save+0x1f0/0x1f0 [ 33.136745][ T399] should_fail+0x6f6/0x860 [ 33.141138][ T399] ? setup_fault_attr+0x3d0/0x3d0 [ 33.146134][ T399] ? unwind_get_return_address+0x48/0x80 [ 33.151741][ T399] ? arch_stack_walk+0xf8/0x140 [ 33.156564][ T399] ? __d_alloc+0x2a/0x6a0 [ 33.160866][ T399] should_failslab+0x5/0x20 [ 33.165360][ T399] kmem_cache_alloc+0x36/0x290 [ 33.170095][ T399] __d_alloc+0x2a/0x6a0 [ 33.174221][ T399] ? stack_trace_snprint+0x150/0x150 [ 33.179494][ T399] d_alloc_parallel+0xf3/0x1350 [ 33.184335][ T399] ? avc_has_perm_noaudit+0x30c/0x400 [ 33.189679][ T399] ? avc_denied+0x1c0/0x1c0 [ 33.194156][ T399] ? ksys_mount+0xc2/0xf0 [ 33.198455][ T399] ? d_hash_and_lookup+0x1e0/0x1e0 [ 33.203551][ T399] ? __rcu_read_lock+0x50/0x50 [ 33.208286][ T399] ? selinux_inode_permission+0x445/0x690 [ 33.213982][ T399] __lookup_slow+0x14f/0x450 [ 33.218547][ T399] ? lookup_one_len+0x2c0/0x2c0 [ 33.223377][ T399] ? generic_permission+0x13a/0x490 [ 33.228550][ T399] lookup_one_len+0x17f/0x2c0 [ 33.233209][ T399] ? lookup_one_len_common+0x430/0x430 [ 33.238700][ T399] ? memcpy+0x38/0x50 [ 33.242670][ T399] incfs_lookup_dentry+0x5b/0xb0 [ 33.247709][ T399] open_or_create_special_dir+0x45/0x150 [ 33.253319][ T399] incfs_mount_fs+0x3e9/0x840 [ 33.257969][ T399] ? incfs_unlink+0x80/0x80 [ 33.262446][ T399] ? vfs_parse_fs_param+0x2cb/0x430 [ 33.267614][ T399] ? vfs_parse_fs_string+0x1e9/0x290 [ 33.272869][ T399] ? cap_capable+0x23f/0x280 [ 33.277431][ T399] legacy_get_tree+0xde/0x170 [ 33.282240][ T399] ? incfs_unlink+0x80/0x80 [ 33.286714][ T399] vfs_get_tree+0x83/0x260 [ 33.291163][ T399] do_mount+0x19d0/0x2670 [ 33.295590][ T399] ? copy_mount_string+0x30/0x30 [ 33.300506][ T399] ? _copy_from_user+0xa4/0xe0 [ 33.305243][ T399] ? copy_mount_options+0xc9/0x300 [ 33.310329][ T399] ? ksys_mount+0x8f/0xf0 [ 33.314629][ T399] ksys_mount+0xc2/0xf0 [ 33.318756][ T399] __x64_sys_mount+0xb1/0xc0 [ 33.323317][ T399] do_syscall_64+0xcb/0x1e0 [ 33.327810][ T399] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 33.333673][ T399] RIP: 0033:0x444ea9 [ 33.337550][ T399] 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 [ 33.357174][ T399] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.365618][ T399] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 33.373596][ T399] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 33.381540][ T399] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 33.389493][ T399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 33.397441][ T399] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000012 [ 33.405476][ T399] incfs_lookup_dentry err:-12 [ 33.410167][ T399] incfs: Can't find or create .index dir in ./file0 executing program [ ***] A start job is running for dev-ttyS0.device (26s / 1min 30s)[ 33.536234][ T402] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 33.546534][ T402] FAULT_INJECTION: forcing a failure. [ 33.546534][ T402] name failslab, interval 1, probability 0, space 0, times 0 [ 33.559185][ T402] CPU: 0 PID: 402 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 33.570769][ T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.580797][ T402] Call Trace: [ 33.584117][ T402] dump_stack+0x1d8/0x24e [ 33.588417][ T402] ? devkmsg_release+0x11c/0x11c [ 33.593363][ T402] ? stack_trace_save+0x1f0/0x1f0 [ 33.598365][ T402] ? show_regs_print_info+0x12/0x12 [ 33.603536][ T402] ? __kernel_text_address+0x93/0x100 [ 33.608880][ T402] ? unwind_get_return_address+0x48/0x80 [ 33.614485][ T402] ? arch_stack_walk+0xf8/0x140 [ 33.619305][ T402] should_fail+0x6f6/0x860 [ 33.623698][ T402] ? setup_fault_attr+0x3d0/0x3d0 [ 33.628692][ T402] ? ebitmap_cmp+0x1b8/0x220 [ 33.633276][ T402] ? mls_compute_context_len+0x7dd/0x810 [ 33.638886][ T402] ? context_struct_to_string+0x43b/0x8b0 [ 33.644582][ T402] should_failslab+0x5/0x20 [ 33.649079][ T402] __kmalloc+0x5f/0x2f0 [ 33.653230][ T402] context_struct_to_string+0x43b/0x8b0 [ 33.658748][ T402] ? security_bounded_transition+0x560/0x560 [ 33.664712][ T402] ? symhash+0xe0/0xe0 [ 33.668759][ T402] ? hashtab_search+0x1bf/0x200 [ 33.673598][ T402] context_add_hash+0x13f/0x270 [ 33.678522][ T402] ? security_sid_to_context_inval+0x40/0x40 [ 33.684580][ T402] ? mls_context_isvalid+0x98/0x380 [ 33.689751][ T402] ? policydb_context_isvalid+0x1b6/0x400 [ 33.695462][ T402] security_compute_sid+0x1142/0x1d00 [ 33.700876][ T402] ? __rcu_read_lock+0x50/0x50 [ 33.705633][ T402] ? security_transition_sid+0x90/0x90 [ 33.711077][ T402] ? avc_denied+0x1c0/0x1c0 [ 33.715557][ T402] ? avc_has_perm_noaudit+0x400/0x400 [ 33.720902][ T402] ? avc_has_perm_noaudit+0x30c/0x400 [ 33.726247][ T402] security_transition_sid+0x78/0x90 [ 33.731509][ T402] may_create+0x62b/0x960 [ 33.735825][ T402] ? show_sid+0x250/0x250 [ 33.740129][ T402] ? selinux_inode_permission+0x445/0x690 [ 33.745830][ T402] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 33.751611][ T402] ? from_kgid+0x206/0x350 [ 33.755997][ T402] ? make_kgid+0x390/0x390 [ 33.760400][ T402] ? generic_permission+0x13a/0x490 [ 33.765588][ T402] security_inode_mkdir+0x96/0x120 [ 33.770687][ T402] vfs_mkdir+0x34a/0x5f0 [ 33.774969][ T402] open_or_create_special_dir+0xba/0x150 [ 33.780626][ T402] incfs_mount_fs+0x3e9/0x840 [ 33.785336][ T402] ? incfs_unlink+0x80/0x80 [ 33.789855][ T402] ? vfs_parse_fs_param+0x2cb/0x430 [ 33.795109][ T402] ? vfs_parse_fs_string+0x1e9/0x290 [ 33.800376][ T402] ? cap_capable+0x23f/0x280 [ 33.804946][ T402] legacy_get_tree+0xde/0x170 [ 33.809600][ T402] ? incfs_unlink+0x80/0x80 [ 33.814090][ T402] vfs_get_tree+0x83/0x260 [ 33.818486][ T402] do_mount+0x19d0/0x2670 [ 33.822801][ T402] ? copy_mount_string+0x30/0x30 [ 33.827721][ T402] ? _copy_from_user+0xa4/0xe0 [ 33.832466][ T402] ? copy_mount_options+0xc9/0x300 [ 33.837569][ T402] ? ksys_mount+0x8f/0xf0 [ 33.841869][ T402] ksys_mount+0xc2/0xf0 [ 33.845994][ T402] __x64_sys_mount+0xb1/0xc0 [ 33.850575][ T402] do_syscall_64+0xcb/0x1e0 [ 33.855048][ T402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 33.860912][ T402] RIP: 0033:0x444ea9 [ 33.864779][ T402] 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 [ 33.884392][ T402] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.892824][ T402] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 33.900866][ T402] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 33.908826][ T402] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 33.916789][ T402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 33.924820][ T402] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000013 [ 33.932913][ T402] incfs: Can't find or create .index dir in ./file0 [ 33.942577][ T334] BUG: Dentry ffff8881e614cee0{i=0,n=.index} still in use (1) [unmount of vfat loop0] [ *[0[ 33.952759][ T334] ------------[ cut here ]------------ [ 33.959337][ T334] WARNING: CPU: 1 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 33.967658][ T334] Modules linked in: [ 33.971536][ T334] CPU: 1 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 33.983040][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.993095][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 33.998364][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 [ 34.018044][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 34.024099][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00 [ 34.032051][ T334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 34.040118][ T334] RBP: ffff8881dffb0420 R08: ffffffff814e8437 R09: ffffed103ede5e08 [ 34.048073][ T334] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 34.056021][ T334] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e614cee0 [ 34.063974][ T334] FS: 0000000001fe9300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 34.072877][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.079435][ T334] CR2: 0000000001ff2628 CR3: 00000001ee133000 CR4: 00000000001406e0 [ 34.087385][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.095332][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.103282][ T334] Call Trace: [ 34.106554][ T334] d_walk+0x2d9/0x540 [ 34.110511][ T334] ? __d_free+0x20/0x20 [ 34.114638][ T334] shrink_dcache_for_umount+0x8a/0x1a0 [ 34.120090][ T334] generic_shutdown_super+0x63/0x2a0 [ 34.125363][ T334] kill_block_super+0x79/0xd0 [ 34.130012][ T334] deactivate_locked_super+0xaf/0x100 [ 34.135354][ T334] deactivate_super+0x1b3/0x270 [ 34.140183][ T334] ? deactivate_locked_super+0x100/0x100 [ 34.145806][ T334] ? dput+0x4de/0x5d0 [ 34.149759][ T334] ? _raw_spin_lock_irqsave+0x210/0x210 [ 34.155274][ T334] ? find_next_bit+0xc6/0x110 [ 34.159928][ T334] cleanup_mnt+0x432/0x4e0 [ 34.164325][ T334] task_work_run+0x186/0x1b0 [ 34.168904][ T334] prepare_exit_to_usermode+0x2b0/0x310 [ 34.174421][ T334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.180299][ T334] RIP: 0033:0x446247 [ 34.184190][ T334] 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 [ 34.203785][ T334] RSP: 002b:00007ffcb80cde78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 34.212170][ T334] RAX: 0000000000000000 RBX: 000000000000820a RCX: 0000000000446247 [ 34.220114][ T334] RDX: 00007ffcb80cdf3a RSI: 0000000000000002 RDI: 00007ffcb80cdf30 [ 34.228058][ T334] RBP: 00007ffcb80cdf30 R08: 00000000ffffffff R09: 00007ffcb80cdd10 [ 34.236004][ T334] R10: 0000000001fea663 R11: 0000000000000206 R12: 00007ffcb80cefb0 [ 34.243952][ T334] R13: 0000000001fea5f0 R14: 00007ffcb80cdea0 R15: 0000000000000014 [ 34.251901][ T334] ---[ end trace 9cc7b261bbd264e4 ]--- ;1;31m*] A start job is runn[ 34.259338][ T334] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program ing for dev-ttyS0.device (26s / 1min 30s)[ 34.329118][ T406] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.339001][ T406] FAULT_INJECTION: forcing a failure. [ 34.339001][ T406] name failslab, interval 1, probability 0, space 0, times 0 [ 34.351666][ T406] CPU: 0 PID: 406 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 [ 34.363187][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.373220][ T406] Call Trace: [ 34.376495][ T406] dump_stack+0x1d8/0x24e [ 34.380799][ T406] ? devkmsg_release+0x11c/0x11c [ 34.385712][ T406] ? stack_trace_save+0x1f0/0x1f0 [ 34.390709][ T406] ? show_regs_print_info+0x12/0x12 [ 34.395903][ T406] ? __kernel_text_address+0x93/0x100 [ 34.401249][ T406] ? unwind_get_return_address+0x48/0x80 [ 34.406851][ T406] ? arch_stack_walk+0xf8/0x140 [ 34.411699][ T406] should_fail+0x6f6/0x860 [ 34.416105][ T406] ? setup_fault_attr+0x3d0/0x3d0 [ 34.421098][ T406] ? ebitmap_cmp+0x1b8/0x220 [ 34.425746][ T406] ? mls_compute_context_len+0x7dd/0x810 [ 34.431356][ T406] ? context_struct_to_string+0x43b/0x8b0 [ 34.437051][ T406] should_failslab+0x5/0x20 [ 34.441529][ T406] __kmalloc+0x5f/0x2f0 [ 34.445659][ T406] context_struct_to_string+0x43b/0x8b0 [ 34.451203][ T406] ? security_bounded_transition+0x560/0x560 [ 34.457156][ T406] ? symhash+0xe0/0xe0 [ 34.461194][ T406] ? hashtab_search+0x1bf/0x200 [ 34.466019][ T406] context_add_hash+0x13f/0x270 [ 34.470843][ T406] ? security_sid_to_context_inval+0x40/0x40 [ 34.476809][ T406] ? mls_context_isvalid+0x98/0x380 [ 34.482087][ T406] ? policydb_context_isvalid+0x1b6/0x400 [ 34.487777][ T406] security_compute_sid+0x1142/0x1d00 [ 34.493145][ T406] ? __rcu_read_lock+0x50/0x50 [ 34.497987][ T406] ? security_transition_sid+0x90/0x90 [ 34.503421][ T406] ? avc_denied+0x1c0/0x1c0 [ 34.508039][ T406] ? avc_has_perm_noaudit+0x400/0x400 [ 34.514260][ T406] ? avc_has_perm_noaudit+0x30c/0x400 [ 34.519606][ T406] security_transition_sid+0x78/0x90 [ 34.524889][ T406] may_create+0x62b/0x960 [ 34.529193][ T406] ? show_sid+0x250/0x250 [ 34.533492][ T406] ? selinux_inode_permission+0x445/0x690 [ 34.539200][ T406] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 34.544994][ T406] ? from_kgid+0x206/0x350 [ 34.549382][ T406] ? make_kgid+0x390/0x390 [ 34.553779][ T406] ? generic_permission+0x13a/0x490 [ 34.558962][ T406] security_inode_mkdir+0x96/0x120 [ 34.564103][ T406] vfs_mkdir+0x34a/0x5f0 [ 34.568322][ T406] open_or_create_special_dir+0xba/0x150 [ 34.573932][ T406] incfs_mount_fs+0x3e9/0x840 [ 34.578593][ T406] ? incfs_unlink+0x80/0x80 [ 34.583065][ T406] ? vfs_parse_fs_param+0x2cb/0x430 [ 34.588234][ T406] ? vfs_parse_fs_string+0x1e9/0x290 [ 34.593734][ T406] ? cap_capable+0x23f/0x280 [ 34.598359][ T406] legacy_get_tree+0xde/0x170 [ 34.603013][ T406] ? incfs_unlink+0x80/0x80 [ 34.607504][ T406] vfs_get_tree+0x83/0x260 [ 34.611912][ T406] do_mount+0x19d0/0x2670 [ 34.616217][ T406] ? copy_mount_string+0x30/0x30 [ 34.621127][ T406] ? _copy_from_user+0xa4/0xe0 [ 34.625921][ T406] ? copy_mount_options+0xc9/0x300 [ 34.631003][ T406] ? ksys_mount+0x8f/0xf0 [ 34.635314][ T406] ksys_mount+0xc2/0xf0 [ 34.639589][ T406] __x64_sys_mount+0xb1/0xc0 [ 34.644178][ T406] do_syscall_64+0xcb/0x1e0 [ 34.648661][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 34.654531][ T406] RIP: 0033:0x444ea9 [ 34.658416][ T406] 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 [ 34.678011][ T406] RSP: 002b:00007ffcb80cef68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.686408][ T406] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000444ea9 [ 34.694354][ T406] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 34.702308][ T406] RBP: 00007ffcb80cef90 R08: 0000000000000000 R09: 00007ffcb80cefa0 [ 34.710251][ T406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 34.718198][ T406] R13: 00007ffcb80cefd0 R14: 00007ffcb80cefb0 R15: 0000000000000014 [ 34.726273][ T406] incfs: Can't find or create .index dir in ./file0 [ [0;31[ 34.735211][ T334] BUG: Dentry ffff8881e614f770{i=0,n=.index} still in use (1) [unmount of vfat loop0] m*] A start [ 34.744857][ T334] ------------[ cut here ]------------ job is running f[ 34.751623][ T334] WARNING: CPU: 0 PID: 334 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 34.761306][ T334] Modules linked in: [ 34.765191][ T334] CPU: 0 PID: 334 Comm: syz-executor513 Tainted: G W 5.4.123-syzkaller-00835-g3e256ddba1ff #0 or dev-ttyS0.dev[ 34.776730][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.788196][ T334] RIP: 0010:umount_check+0x179/0x1c0 [ 34.793465][ T334] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 02 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 67 a6 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 ice (27s / 1min [ 34.813056][ T334] RSP: 0018:ffff8881e5c0fc58 EFLAGS: 00010282 [ 34.820581][ T334] RAX: 0000000000000054 RBX: ffffffff85fc59e0 RCX: b643227c30d1bc00