Warning: Permanently added '10.128.0.229' (ECDSA) to the list of known hosts. executing program [ 20.832945][ T23] audit: type=1400 audit(1635380152.100:73): avc: denied { execmem } for pid=365 comm="syz-executor525" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.852407][ T23] audit: type=1400 audit(1635380152.100:74): avc: denied { read write } for pid=365 comm="syz-executor525" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.858446][ T367] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 20.876669][ T23] audit: type=1400 audit(1635380152.100:75): avc: denied { open } for pid=365 comm="syz-executor525" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.901202][ T367] FAULT_INJECTION: forcing a failure. [ 20.901202][ T367] name failslab, interval 1, probability 0, space 0, times 1 [ 20.912921][ T23] audit: type=1400 audit(1635380152.100:76): avc: denied { ioctl } for pid=365 comm="syz-executor525" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.925391][ T367] CPU: 0 PID: 367 Comm: syz-executor525 Not tainted 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 20.951106][ T23] audit: type=1400 audit(1635380152.110:77): avc: denied { mounton } for pid=367 comm="syz-executor525" path="/root/syzkaller.6kdxYM/0/file0" dev="sda1" ino=1139 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 20.960922][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.960927][ T367] Call Trace: [ 20.960953][ T367] dump_stack_lvl+0x1e2/0x24b [ 20.960969][ T367] ? devkmsg_release+0x127/0x127 [ 20.985579][ T23] audit: type=1400 audit(1635380152.150:78): avc: denied { mount } for pid=367 comm="syz-executor525" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 20.995557][ T367] ? show_regs_print_info+0x18/0x18 [ 20.995568][ T367] dump_stack+0x15/0x1d [ 20.995577][ T367] should_fail+0x3c0/0x510 [ 20.995593][ T367] ? __list_lru_init+0xae/0x590 [ 20.999139][ T23] audit: type=1400 audit(1635380152.170:79): avc: denied { mounton } for pid=367 comm="syz-executor525" path="/root/syzkaller.6kdxYM/0/file0" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 21.003508][ T367] __should_failslab+0x9f/0xe0 [ 21.003519][ T367] should_failslab+0x9/0x20 [ 21.003527][ T367] kmem_cache_alloc_trace+0x42/0x3a0 [ 21.003542][ T367] __list_lru_init+0xae/0x590 [ 21.093216][ T367] alloc_super+0x65c/0x770 [ 21.098409][ T367] sget+0x1fd/0x4e0 [ 21.102189][ T367] ? free_anon_bdev+0x30/0x30 [ 21.106846][ T367] incfs_mount_fs+0xca/0x840 [ 21.111429][ T367] ? incfs_unlink+0x80/0x80 [ 21.115905][ T367] ? selinux_capable+0x39/0x50 [ 21.120656][ T367] legacy_get_tree+0xf0/0x190 [ 21.125309][ T367] ? incfs_unlink+0x80/0x80 [ 21.129791][ T367] vfs_get_tree+0x89/0x270 [ 21.134271][ T367] path_mount+0x1975/0x2ab0 [ 21.138747][ T367] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 21.144265][ T367] ? getname_flags+0x207/0x650 [ 21.149015][ T367] ? user_path_at_empty+0x40/0x50 [ 21.154014][ T367] __se_sys_mount+0x2f7/0x3b0 [ 21.158664][ T367] ? __x64_sys_mount+0xd0/0xd0 [ 21.163418][ T367] ? debug_smp_processor_id+0x1c/0x20 [ 21.168781][ T367] __x64_sys_mount+0xbf/0xd0 [ 21.173367][ T367] do_syscall_64+0x31/0x70 [ 21.177760][ T367] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.183632][ T367] RIP: 0033:0x7f96389a1249 [ 21.188028][ 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 [ 21.207703][ T367] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 21.216091][ T367] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 21.224133][ T367] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 21.232092][ T367] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 21.240051][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 21.248003][ T367] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000000 [ 21.257470][ T23] audit: type=1400 audit(1635380152.520:80): avc: denied { unmount } for pid=365 comm="syz-executor525" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 executing program [ 21.328245][ T369] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 21.341391][ T369] FAULT_INJECTION: forcing a failure. [ 21.341391][ T369] name failslab, interval 1, probability 0, space 0, times 0 [ 21.354223][ T369] CPU: 1 PID: 369 Comm: syz-executor525 Not tainted 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 21.364344][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.374382][ T369] Call Trace: [ 21.377742][ T369] dump_stack_lvl+0x1e2/0x24b [ 21.382475][ T369] ? show_regs_print_info+0x18/0x18 [ 21.387642][ T369] dump_stack+0x15/0x1d [ 21.391783][ T369] should_fail+0x3c0/0x510 [ 21.396171][ T369] ? audit_log_start+0x496/0x9c0 [ 21.401083][ T369] __should_failslab+0x9f/0xe0 [ 21.405820][ T369] should_failslab+0x9/0x20 [ 21.410397][ T369] kmem_cache_alloc+0x43/0x380 [ 21.415133][ T369] audit_log_start+0x496/0x9c0 [ 21.419872][ T369] ? audit_serial+0x30/0x30 [ 21.424346][ T369] ? debug_smp_processor_id+0x1c/0x20 [ 21.429688][ T369] ? slow_avc_audit+0x3b0/0x3b0 [ 21.434517][ T369] common_lsm_audit+0xe5/0x1b30 [ 21.439446][ T369] ? avc_audit_pre_callback+0x2b0/0x2b0 [ 21.444973][ T369] ? ipv6_skb_to_auditdata+0xd40/0xd40 [ 21.450409][ T369] ? __kasan_check_write+0x14/0x20 [ 21.455491][ T369] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 21.461007][ T369] ? _raw_spin_lock+0x1b0/0x1b0 [ 21.465826][ T369] ? kmem_cache_alloc+0x1da/0x380 [ 21.470817][ T369] ? avc_update_node+0x469/0x1110 [ 21.475817][ T369] slow_avc_audit+0x25c/0x3b0 [ 21.480550][ T369] ? avc_get_hash_stats+0x1b0/0x1b0 [ 21.485723][ T369] audit_inode_permission+0x1cb/0x290 [ 21.491163][ T369] ? may_create+0x8b0/0x8b0 [ 21.495636][ T369] selinux_inode_permission+0x570/0x6a0 [ 21.501150][ T369] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 21.506941][ T369] ? __kasan_check_write+0x14/0x20 [ 21.512045][ T369] ? from_kgid+0x206/0x350 [ 21.516638][ T369] security_inode_permission+0x94/0x120 [ 21.522162][ T369] inode_permission+0xe0/0x520 [ 21.526972][ T369] vfs_mkdir+0x257/0x610 [ 21.531198][ T369] open_or_create_special_dir+0xbf/0x150 [ 21.536811][ T369] incfs_mount_fs+0x3e9/0x840 [ 21.541558][ T369] ? incfs_unlink+0x80/0x80 [ 21.546033][ T369] ? selinux_capable+0x39/0x50 [ 21.550820][ T369] legacy_get_tree+0xf0/0x190 [ 21.555468][ T369] ? incfs_unlink+0x80/0x80 [ 21.560042][ T369] vfs_get_tree+0x89/0x270 [ 21.564434][ T369] path_mount+0x1975/0x2ab0 [ 21.569005][ T369] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 21.574608][ T369] ? getname_flags+0x207/0x650 [ 21.579344][ T369] ? user_path_at_empty+0x40/0x50 [ 21.584432][ T369] __se_sys_mount+0x2f7/0x3b0 [ 21.589164][ T369] ? __x64_sys_mount+0xd0/0xd0 [ 21.593898][ T369] ? debug_smp_processor_id+0x1c/0x20 [ 21.599249][ T369] __x64_sys_mount+0xbf/0xd0 [ 21.603808][ T369] do_syscall_64+0x31/0x70 [ 21.608203][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.614087][ T369] RIP: 0033:0x7f96389a1249 [ 21.618474][ T369] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 21.638055][ T369] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 21.646439][ T369] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 21.654388][ T369] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 21.662331][ T369] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 21.670275][ T369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 21.678224][ T369] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000001 [ 21.686341][ T369] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 [ 21.694210][ T369] audit: out of memory in audit_log_start [ 21.700530][ T369] incfs: ino conflict with backing FS 1 executing program [ 21.765122][ T371] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 21.778273][ T371] FAULT_INJECTION: forcing a failure. [ 21.778273][ T371] name failslab, interval 1, probability 0, space 0, times 0 [ 21.791296][ T371] CPU: 1 PID: 371 Comm: syz-executor525 Not tainted 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 21.801518][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.811819][ T371] Call Trace: [ 21.815102][ T371] dump_stack_lvl+0x1e2/0x24b [ 21.819936][ T371] ? devkmsg_release+0x127/0x127 [ 21.824850][ T371] ? show_regs_print_info+0x18/0x18 [ 21.830018][ T371] dump_stack+0x15/0x1d [ 21.834154][ T371] should_fail+0x3c0/0x510 [ 21.838661][ T371] ? exfat_alloc_inode+0x1b/0x60 [ 21.843595][ T371] __should_failslab+0x9f/0xe0 [ 21.848350][ T371] should_failslab+0x9/0x20 [ 21.852828][ T371] kmem_cache_alloc+0x43/0x380 [ 21.857566][ T371] ? exfat_fill_super+0x2a20/0x2a20 [ 21.862736][ T371] exfat_alloc_inode+0x1b/0x60 [ 21.867474][ T371] ? exfat_fill_super+0x2a20/0x2a20 [ 21.872655][ T371] new_inode_pseudo+0x65/0x220 [ 21.877390][ T371] new_inode+0x28/0x1c0 [ 21.881674][ T371] ? __kasan_check_write+0x14/0x20 [ 21.886782][ T371] ? _raw_spin_lock+0xa3/0x1b0 [ 21.891637][ T371] exfat_build_inode+0x195/0x1170 [ 21.896702][ T371] ? __kasan_check_read+0x11/0x20 [ 21.901713][ T371] ? inode_io_list_move_locked+0x31f/0x360 [ 21.907497][ T371] ? __mark_inode_dirty+0x603/0xa20 [ 21.912874][ T371] ? inc_nlink+0x4c/0x130 [ 21.917185][ T371] exfat_mkdir+0x355/0x5b0 [ 21.921593][ T371] ? exfat_unlink+0x780/0x780 [ 21.926263][ T371] ? selinux_inode_mkdir+0x22/0x30 [ 21.931543][ T371] ? security_inode_mkdir+0xf1/0x130 [ 21.936806][ T371] vfs_mkdir+0x435/0x610 [ 21.941252][ T371] open_or_create_special_dir+0xbf/0x150 [ 21.946956][ T371] incfs_mount_fs+0x3e9/0x840 [ 21.951615][ T371] ? incfs_unlink+0x80/0x80 [ 21.956096][ T371] ? selinux_capable+0x39/0x50 [ 21.960854][ T371] legacy_get_tree+0xf0/0x190 [ 21.965526][ T371] ? incfs_unlink+0x80/0x80 [ 21.970019][ T371] vfs_get_tree+0x89/0x270 [ 21.974509][ T371] path_mount+0x1975/0x2ab0 [ 21.978992][ T371] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 21.984524][ T371] ? getname_flags+0x207/0x650 [ 21.989274][ T371] ? user_path_at_empty+0x40/0x50 [ 21.994298][ T371] __se_sys_mount+0x2f7/0x3b0 [ 21.999130][ T371] ? __x64_sys_mount+0xd0/0xd0 [ 22.003879][ T371] ? debug_smp_processor_id+0x1c/0x20 [ 22.009337][ T371] __x64_sys_mount+0xbf/0xd0 [ 22.013907][ T371] do_syscall_64+0x31/0x70 [ 22.018305][ T371] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.024171][ T371] RIP: 0033:0x7f96389a1249 [ 22.028677][ 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 [ 22.048358][ T371] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 22.056758][ T371] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 22.064714][ T371] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 22.072683][ T371] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 22.080633][ T371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 22.088595][ T371] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000002 [ 22.096787][ T371] incfs: Can't find or create .index dir in ./file0 [ 22.104934][ T365] BUG: Dentry ffff88811a5bacc0{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 22.114758][ T365] ------------[ cut here ]------------ [ 22.120249][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 22.128568][ T365] Modules linked in: [ 22.132478][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Not tainted 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 22.142621][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.152718][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 22.157995][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 22.177631][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 22.183705][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 22.191818][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 22.199828][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: fffff5200004feb9 [ 22.207789][ T365] R10: fffff5200004feb9 R11: 0000000000000000 R12: ffff88811a5bacc0 [ 22.215793][ T365] R13: dffffc0000000000 R14: ffff888107da23f8 R15: 0000000000000001 [ 22.223929][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.232947][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.239536][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 22.247527][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.255522][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.263498][ T365] Call Trace: [ 22.266770][ T365] d_walk+0x309/0x540 [ 22.270783][ T365] ? __d_free+0x30/0x30 [ 22.274932][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 22.280573][ T365] generic_shutdown_super+0x66/0x2c0 [ 22.285865][ T365] kill_block_super+0x80/0xe0 [ 22.290538][ T365] deactivate_locked_super+0xb0/0x100 [ 22.295903][ T365] deactivate_super+0xa5/0xd0 [ 22.300608][ T365] cleanup_mnt+0x45f/0x510 [ 22.305020][ T365] __cleanup_mnt+0x19/0x20 [ 22.309414][ T365] task_work_run+0x147/0x1b0 [ 22.314009][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 22.319467][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 22.324929][ T365] do_syscall_64+0x3d/0x70 [ 22.329327][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.335235][ T365] RIP: 0033:0x7f96389a25e7 [ 22.339658][ T365] Code: 07 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 [ 22.359281][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 22.367696][ T365] RAX: 0000000000000000 RBX: 00000000000054ea RCX: 00007f96389a25e7 [ 22.375678][ T365] RDX: 00007ffc6f4962e9 RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 22.383653][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 22.391648][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 22.401663][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000003 [ 22.409617][ T365] ---[ end trace 22d9bf8f62e18152 ]--- [ 22.415566][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 22.485249][ T373] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 22.498288][ T373] FAULT_INJECTION: forcing a failure. [ 22.498288][ T373] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 22.511587][ T373] CPU: 1 PID: 373 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 22.523344][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.533376][ T373] Call Trace: [ 22.536648][ T373] dump_stack_lvl+0x1e2/0x24b [ 22.541305][ T373] ? show_regs_print_info+0x18/0x18 [ 22.546508][ T373] dump_stack+0x15/0x1d [ 22.550663][ T373] should_fail+0x3c0/0x510 [ 22.555051][ T373] should_fail_alloc_page+0x4f/0x60 [ 22.560218][ T373] __alloc_pages_nodemask+0x1b9/0x820 [ 22.565561][ T373] ? __rcu_read_lock+0x50/0x50 [ 22.570306][ T373] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 22.575830][ T373] ? is_bpf_text_address+0x1a2/0x1c0 [ 22.581109][ T373] ? is_module_text_address+0xe1/0x140 [ 22.586567][ T373] ? stack_trace_save+0x1e0/0x1e0 [ 22.591569][ T373] allocate_slab+0x6b/0x350 [ 22.596113][ T373] ___slab_alloc+0x143/0x2f0 [ 22.600690][ T373] ? __d_alloc+0x2d/0x6b0 [ 22.605000][ T373] kmem_cache_alloc+0x26f/0x380 [ 22.609832][ T373] ? __d_alloc+0x2d/0x6b0 [ 22.614146][ T373] __d_alloc+0x2d/0x6b0 [ 22.618284][ T373] ? avc_has_perm_noaudit+0x2ed/0x4d0 [ 22.623626][ T373] d_alloc_parallel+0xf3/0x1360 [ 22.628444][ T373] ? avc_denied+0x1b0/0x1b0 [ 22.632920][ T373] ? ____kasan_kmalloc+0xf3/0x110 [ 22.637915][ T373] ? __kasan_kmalloc+0x9/0x10 [ 22.642565][ T373] ? selinux_inode_permission+0x44e/0x6a0 [ 22.648255][ T373] ? d_hash_and_lookup+0x200/0x200 [ 22.653350][ T373] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 22.659129][ T373] ? __rcu_read_lock+0x50/0x50 [ 22.663862][ T373] ? exfat_utf8_d_hash+0x2ec/0x390 [ 22.668965][ T373] __lookup_slow+0x14e/0x400 [ 22.673531][ T373] ? lookup_one_len+0x2c0/0x2c0 [ 22.678708][ T373] ? inode_permission+0xe0/0x520 [ 22.683628][ T373] lookup_one_len+0x17f/0x2c0 [ 22.688361][ T373] ? __kasan_check_write+0x14/0x20 [ 22.693460][ T373] ? lookup_one_len_common+0x450/0x450 [ 22.698909][ T373] incfs_lookup_dentry+0x5f/0xb0 [ 22.703835][ T373] open_or_create_special_dir+0x49/0x150 [ 22.709786][ T373] incfs_mount_fs+0x3e9/0x840 [ 22.714463][ T373] ? incfs_unlink+0x80/0x80 [ 22.718944][ T373] ? selinux_capable+0x39/0x50 [ 22.723683][ T373] legacy_get_tree+0xf0/0x190 [ 22.728335][ T373] ? incfs_unlink+0x80/0x80 [ 22.732829][ T373] vfs_get_tree+0x89/0x270 [ 22.737220][ T373] path_mount+0x1975/0x2ab0 [ 22.741764][ T373] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 22.747304][ T373] ? getname_flags+0x207/0x650 [ 22.752137][ T373] ? user_path_at_empty+0x40/0x50 [ 22.757132][ T373] __se_sys_mount+0x2f7/0x3b0 [ 22.761790][ T373] ? __x64_sys_mount+0xd0/0xd0 [ 22.766535][ T373] ? debug_smp_processor_id+0x1c/0x20 [ 22.771878][ T373] __x64_sys_mount+0xbf/0xd0 [ 22.776439][ T373] do_syscall_64+0x31/0x70 [ 22.780836][ T373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.786706][ T373] RIP: 0033:0x7f96389a1249 [ 22.791147][ T373] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 22.811408][ T373] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 22.819801][ T373] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 22.827772][ T373] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 22.835732][ T373] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 22.843685][ T373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 22.851634][ T373] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000003 [ 22.860015][ T373] incfs: ino conflict with backing FS 1 executing program [ 22.964790][ T375] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 22.977578][ T375] FAULT_INJECTION: forcing a failure. [ 22.977578][ T375] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 22.990805][ T375] CPU: 1 PID: 375 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 23.002309][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.012514][ T375] Call Trace: [ 23.015780][ T375] dump_stack_lvl+0x1e2/0x24b [ 23.020433][ T375] ? show_regs_print_info+0x18/0x18 [ 23.025605][ T375] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 23.031035][ T375] ? _raw_spin_lock+0x1b0/0x1b0 [ 23.035943][ T375] dump_stack+0x15/0x1d [ 23.040082][ T375] should_fail+0x3c0/0x510 [ 23.044479][ T375] should_fail_alloc_page+0x4f/0x60 [ 23.049673][ T375] __alloc_pages_nodemask+0x1b9/0x820 [ 23.055280][ T375] ? __rcu_read_lock+0x50/0x50 [ 23.060042][ T375] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 23.065575][ T375] ? ebitmap_cmp+0x1d6/0x240 [ 23.070154][ T375] allocate_slab+0x6b/0x350 [ 23.074642][ T375] ___slab_alloc+0x143/0x2f0 [ 23.079206][ T375] ? mempool_alloc_slab+0x1d/0x30 [ 23.084212][ T375] kmem_cache_alloc+0x26f/0x380 [ 23.089035][ T375] ? mempool_alloc_slab+0x1d/0x30 [ 23.094029][ T375] ? mempool_free+0x310/0x310 [ 23.098695][ T375] mempool_alloc_slab+0x1d/0x30 [ 23.103517][ T375] mempool_alloc+0x113/0x650 [ 23.108076][ T375] ? mempool_resize+0x8e0/0x8e0 [ 23.112919][ T375] ? __rcu_read_lock+0x50/0x50 [ 23.117666][ T375] ? avc_has_perm_noaudit+0x358/0x4d0 [ 23.123012][ T375] bio_alloc_bioset+0x1db/0x650 [ 23.127942][ T375] ? __local_bh_enable_ip+0xa8/0x170 [ 23.133220][ T375] ? __kasan_check_write+0x14/0x20 [ 23.138306][ T375] ? bio_chain_endio+0x120/0x120 [ 23.143214][ T375] ? delayed_work_timer_fn+0x80/0x80 [ 23.148483][ T375] ? _raw_spin_lock+0xa3/0x1b0 [ 23.153333][ T375] submit_bh_wbc+0x1cb/0x740 [ 23.157903][ T375] ? wb_wakeup_delayed+0xc8/0x100 [ 23.162898][ T375] __sync_dirty_buffer+0x1ea/0x2f0 [ 23.167983][ T375] sync_dirty_buffer+0x1a/0x20 [ 23.172720][ T375] exfat_set_vol_flags+0x35e/0x410 [ 23.178060][ T375] exfat_set_volume_dirty+0x5c/0x80 [ 23.183229][ T375] exfat_mkdir+0x11b/0x5b0 [ 23.187639][ T375] ? exfat_unlink+0x780/0x780 [ 23.192395][ T375] ? selinux_inode_mkdir+0x22/0x30 [ 23.197476][ T375] ? security_inode_mkdir+0xf1/0x130 [ 23.202838][ T375] vfs_mkdir+0x435/0x610 [ 23.207058][ T375] open_or_create_special_dir+0xbf/0x150 [ 23.212662][ T375] incfs_mount_fs+0x3e9/0x840 [ 23.217319][ T375] ? incfs_unlink+0x80/0x80 [ 23.221801][ T375] ? selinux_capable+0x39/0x50 [ 23.226545][ T375] legacy_get_tree+0xf0/0x190 [ 23.231208][ T375] ? incfs_unlink+0x80/0x80 [ 23.235682][ T375] vfs_get_tree+0x89/0x270 [ 23.240066][ T375] path_mount+0x1975/0x2ab0 [ 23.244544][ T375] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 23.250071][ T375] ? getname_flags+0x207/0x650 [ 23.254806][ T375] ? user_path_at_empty+0x40/0x50 [ 23.259806][ T375] __se_sys_mount+0x2f7/0x3b0 [ 23.264554][ T375] ? __x64_sys_mount+0xd0/0xd0 [ 23.269296][ T375] ? debug_smp_processor_id+0x1c/0x20 [ 23.274639][ T375] __x64_sys_mount+0xbf/0xd0 [ 23.279201][ T375] do_syscall_64+0x31/0x70 [ 23.283586][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.289485][ T375] RIP: 0033:0x7f96389a1249 [ 23.293883][ 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 [ 23.313465][ T375] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 23.321862][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 23.329813][ T375] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 23.337767][ T375] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 23.345710][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.353652][ T375] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000004 executing program [ 23.362038][ T375] incfs: ino conflict with backing FS 1 [ 23.395916][ T377] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 23.411847][ T377] FAULT_INJECTION: forcing a failure. [ 23.411847][ T377] name failslab, interval 1, probability 0, space 0, times 0 [ 23.424465][ T377] CPU: 0 PID: 377 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 23.435981][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.446052][ T377] Call Trace: [ 23.449320][ T377] dump_stack_lvl+0x1e2/0x24b [ 23.453984][ T377] ? devkmsg_release+0x127/0x127 [ 23.459075][ T377] ? show_regs_print_info+0x18/0x18 [ 23.464345][ T377] dump_stack+0x15/0x1d [ 23.468572][ T377] should_fail+0x3c0/0x510 [ 23.472969][ T377] ? exfat_alloc_inode+0x1b/0x60 [ 23.477889][ T377] __should_failslab+0x9f/0xe0 [ 23.482631][ T377] should_failslab+0x9/0x20 [ 23.487119][ T377] kmem_cache_alloc+0x43/0x380 [ 23.491874][ T377] ? exfat_fill_super+0x2a20/0x2a20 [ 23.497099][ T377] exfat_alloc_inode+0x1b/0x60 [ 23.501926][ T377] ? exfat_fill_super+0x2a20/0x2a20 [ 23.507102][ T377] new_inode_pseudo+0x65/0x220 [ 23.511928][ T377] new_inode+0x28/0x1c0 [ 23.516076][ T377] ? __kasan_check_write+0x14/0x20 [ 23.521173][ T377] ? _raw_spin_lock+0xa3/0x1b0 [ 23.525919][ T377] exfat_build_inode+0x195/0x1170 [ 23.530942][ T377] ? __kasan_check_read+0x11/0x20 [ 23.535948][ T377] ? inode_io_list_move_locked+0x31f/0x360 [ 23.541766][ T377] ? __mark_inode_dirty+0x603/0xa20 [ 23.546957][ T377] ? inc_nlink+0x4c/0x130 [ 23.551300][ T377] exfat_mkdir+0x355/0x5b0 [ 23.555874][ T377] ? exfat_unlink+0x780/0x780 [ 23.560530][ T377] ? selinux_inode_mkdir+0x22/0x30 [ 23.565644][ T377] ? security_inode_mkdir+0xf1/0x130 [ 23.570921][ T377] vfs_mkdir+0x435/0x610 [ 23.575151][ T377] open_or_create_special_dir+0xbf/0x150 [ 23.580760][ T377] incfs_mount_fs+0x3e9/0x840 [ 23.585423][ T377] ? incfs_unlink+0x80/0x80 [ 23.589929][ T377] ? selinux_capable+0x39/0x50 [ 23.594856][ T377] legacy_get_tree+0xf0/0x190 [ 23.599650][ T377] ? incfs_unlink+0x80/0x80 [ 23.604141][ T377] vfs_get_tree+0x89/0x270 [ 23.608539][ T377] path_mount+0x1975/0x2ab0 [ 23.613036][ T377] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 23.618558][ T377] ? getname_flags+0x207/0x650 [ 23.623294][ T377] ? user_path_at_empty+0x40/0x50 [ 23.628312][ T377] __se_sys_mount+0x2f7/0x3b0 [ 23.632962][ T377] ? __x64_sys_mount+0xd0/0xd0 [ 23.637697][ T377] ? debug_smp_processor_id+0x1c/0x20 [ 23.643051][ T377] __x64_sys_mount+0xbf/0xd0 [ 23.647642][ T377] do_syscall_64+0x31/0x70 [ 23.652059][ T377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.657954][ T377] RIP: 0033:0x7f96389a1249 [ 23.662363][ T377] 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 [ 23.682115][ T377] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 23.690614][ T377] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 23.698573][ T377] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 23.706637][ T377] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 23.714590][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.722545][ T377] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000005 [ 23.730558][ T377] incfs: Can't find or create .index dir in ./file0 [ 23.738000][ T365] BUG: Dentry ffff88811a5eb550{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 23.747880][ T365] ------------[ cut here ]------------ [ 23.753533][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 23.761871][ T365] Modules linked in: [ 23.765759][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 23.777298][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.787549][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 23.792850][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 23.812481][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 23.818585][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 23.826580][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 23.834569][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee295d8 [ 23.842579][ T365] R10: ffffed103ee295d8 R11: 0000000000000000 R12: ffff88811a5eb550 [ 23.850564][ T365] R13: dffffc0000000000 R14: ffff8881061d03f8 R15: 0000000000000001 [ 23.858522][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.867471][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.874081][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 23.882076][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.890068][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.898021][ T365] Call Trace: [ 23.901321][ T365] d_walk+0x309/0x540 [ 23.905292][ T365] ? __d_free+0x30/0x30 [ 23.909438][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 23.914918][ T365] generic_shutdown_super+0x66/0x2c0 [ 23.920205][ T365] kill_block_super+0x80/0xe0 [ 23.924869][ T365] deactivate_locked_super+0xb0/0x100 [ 23.930251][ T365] deactivate_super+0xa5/0xd0 [ 23.934911][ T365] cleanup_mnt+0x45f/0x510 [ 23.939296][ T365] __cleanup_mnt+0x19/0x20 [ 23.943717][ T365] task_work_run+0x147/0x1b0 [ 23.948302][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 23.953855][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 23.959301][ T365] do_syscall_64+0x3d/0x70 [ 23.963728][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.969635][ T365] RIP: 0033:0x7f96389a25e7 [ 23.974053][ T365] Code: 07 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 [ 23.993659][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.002087][ T365] RAX: 0000000000000000 RBX: 0000000000005b47 RCX: 00007f96389a25e7 [ 24.010060][ T365] RDX: 00007ffc6f4962e9 RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 24.018019][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 24.026013][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 24.033984][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000006 [ 24.041959][ T365] ---[ end trace 22d9bf8f62e18153 ]--- [ 24.047795][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 24.134171][ T379] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 24.149072][ T379] FAULT_INJECTION: forcing a failure. [ 24.149072][ T379] name failslab, interval 1, probability 0, space 0, times 0 [ 24.161775][ T379] CPU: 0 PID: 379 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 24.173498][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.183535][ T379] Call Trace: [ 24.186822][ T379] dump_stack_lvl+0x1e2/0x24b [ 24.191644][ T379] ? devkmsg_release+0x127/0x127 [ 24.196561][ T379] ? show_regs_print_info+0x18/0x18 [ 24.201745][ T379] dump_stack+0x15/0x1d [ 24.205971][ T379] should_fail+0x3c0/0x510 [ 24.210364][ T379] ? exfat_alloc_inode+0x1b/0x60 [ 24.215276][ T379] __should_failslab+0x9f/0xe0 [ 24.220026][ T379] should_failslab+0x9/0x20 [ 24.224586][ T379] kmem_cache_alloc+0x43/0x380 [ 24.229321][ T379] ? exfat_fill_super+0x2a20/0x2a20 [ 24.234491][ T379] exfat_alloc_inode+0x1b/0x60 [ 24.239225][ T379] ? exfat_fill_super+0x2a20/0x2a20 [ 24.244397][ T379] new_inode_pseudo+0x65/0x220 [ 24.249145][ T379] new_inode+0x28/0x1c0 [ 24.253273][ T379] ? __kasan_check_write+0x14/0x20 [ 24.258368][ T379] ? _raw_spin_lock+0xa3/0x1b0 [ 24.263105][ T379] exfat_build_inode+0x195/0x1170 [ 24.268101][ T379] ? __kasan_check_read+0x11/0x20 [ 24.273096][ T379] ? inode_io_list_move_locked+0x31f/0x360 [ 24.278897][ T379] ? __mark_inode_dirty+0x603/0xa20 [ 24.284085][ T379] ? inc_nlink+0x4c/0x130 [ 24.288386][ T379] exfat_mkdir+0x355/0x5b0 [ 24.292783][ T379] ? exfat_unlink+0x780/0x780 [ 24.297454][ T379] ? selinux_inode_mkdir+0x22/0x30 [ 24.302535][ T379] ? security_inode_mkdir+0xf1/0x130 [ 24.307788][ T379] vfs_mkdir+0x435/0x610 [ 24.312448][ T379] open_or_create_special_dir+0xbf/0x150 [ 24.318065][ T379] incfs_mount_fs+0x3e9/0x840 [ 24.322713][ T379] ? incfs_unlink+0x80/0x80 [ 24.327189][ T379] ? selinux_capable+0x39/0x50 [ 24.331921][ T379] legacy_get_tree+0xf0/0x190 [ 24.336666][ T379] ? incfs_unlink+0x80/0x80 [ 24.341321][ T379] vfs_get_tree+0x89/0x270 [ 24.345709][ T379] path_mount+0x1975/0x2ab0 [ 24.350206][ T379] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 24.355723][ T379] ? getname_flags+0x207/0x650 [ 24.360456][ T379] ? user_path_at_empty+0x40/0x50 [ 24.365451][ T379] __se_sys_mount+0x2f7/0x3b0 [ 24.370097][ T379] ? __x64_sys_mount+0xd0/0xd0 [ 24.374836][ T379] ? debug_smp_processor_id+0x1c/0x20 [ 24.380177][ T379] __x64_sys_mount+0xbf/0xd0 [ 24.384738][ T379] do_syscall_64+0x31/0x70 [ 24.389140][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.395015][ T379] RIP: 0033:0x7f96389a1249 [ 24.399420][ 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 [ 24.419027][ T379] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.427432][ T379] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 24.435382][ T379] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 24.443324][ T379] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 24.451275][ T379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.459217][ T379] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000006 [ 24.467375][ T379] incfs: Can't find or create .index dir in ./file0 [ 24.475752][ T365] BUG: Dentry ffff88811a5eecc0{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 24.485546][ T365] ------------[ cut here ]------------ [ 24.491071][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 24.499382][ T365] Modules linked in: [ 24.503304][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 24.514955][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.525071][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 24.530451][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 24.550504][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 24.556575][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 24.564569][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 24.572560][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee295d8 [ 24.580532][ T365] R10: ffffed103ee295d8 R11: 0000000000000000 R12: ffff88811a5eecc0 [ 24.588491][ T365] R13: dffffc0000000000 R14: ffff88810a3833f8 R15: 0000000000000001 [ 24.596476][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.605405][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.611996][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 24.619969][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.627915][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.635887][ T365] Call Trace: [ 24.639169][ T365] d_walk+0x309/0x540 [ 24.643155][ T365] ? __d_free+0x30/0x30 [ 24.647305][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 24.652766][ T365] generic_shutdown_super+0x66/0x2c0 [ 24.658034][ T365] kill_block_super+0x80/0xe0 [ 24.662723][ T365] deactivate_locked_super+0xb0/0x100 [ 24.668093][ T365] deactivate_super+0xa5/0xd0 [ 24.672779][ T365] cleanup_mnt+0x45f/0x510 [ 24.677195][ T365] __cleanup_mnt+0x19/0x20 [ 24.681643][ T365] task_work_run+0x147/0x1b0 [ 24.686234][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 24.691769][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 24.697217][ T365] do_syscall_64+0x3d/0x70 [ 24.701647][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.707523][ T365] RIP: 0033:0x7f96389a25e7 [ 24.711944][ T365] Code: 07 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 [ 24.731635][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.740047][ T365] RAX: 0000000000000000 RBX: 0000000000005e2a RCX: 00007f96389a25e7 [ 24.748013][ T365] RDX: 00007ffc6f4962e9 RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 24.756004][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 24.764149][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 24.772210][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000007 [ 24.780215][ T365] ---[ end trace 22d9bf8f62e18154 ]--- [ 24.786036][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 24.845647][ T381] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 24.862395][ T381] FAULT_INJECTION: forcing a failure. [ 24.862395][ T381] name failslab, interval 1, probability 0, space 0, times 0 [ 24.875090][ T381] CPU: 0 PID: 381 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 24.886622][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.896652][ T381] Call Trace: [ 24.899917][ T381] dump_stack_lvl+0x1e2/0x24b [ 24.904562][ T381] ? devkmsg_release+0x127/0x127 [ 24.909470][ T381] ? show_regs_print_info+0x18/0x18 [ 24.914640][ T381] dump_stack+0x15/0x1d [ 24.918765][ T381] should_fail+0x3c0/0x510 [ 24.923151][ T381] ? exfat_alloc_inode+0x1b/0x60 [ 24.928059][ T381] __should_failslab+0x9f/0xe0 [ 24.932792][ T381] should_failslab+0x9/0x20 [ 24.937273][ T381] kmem_cache_alloc+0x43/0x380 [ 24.942004][ T381] ? exfat_fill_super+0x2a20/0x2a20 [ 24.947167][ T381] exfat_alloc_inode+0x1b/0x60 [ 24.951896][ T381] ? exfat_fill_super+0x2a20/0x2a20 [ 24.957062][ T381] new_inode_pseudo+0x65/0x220 [ 24.961790][ T381] new_inode+0x28/0x1c0 [ 24.965912][ T381] ? __kasan_check_write+0x14/0x20 [ 24.970991][ T381] ? _raw_spin_lock+0xa3/0x1b0 [ 24.975727][ T381] exfat_build_inode+0x195/0x1170 [ 24.980736][ T381] ? __kasan_check_read+0x11/0x20 [ 24.985741][ T381] ? inode_io_list_move_locked+0x31f/0x360 [ 24.991525][ T381] ? __mark_inode_dirty+0x603/0xa20 [ 24.996712][ T381] ? inc_nlink+0x4c/0x130 [ 25.001719][ T381] exfat_mkdir+0x355/0x5b0 [ 25.006904][ T381] ? exfat_unlink+0x780/0x780 [ 25.011550][ T381] ? selinux_inode_mkdir+0x22/0x30 [ 25.016639][ T381] ? security_inode_mkdir+0xf1/0x130 [ 25.021890][ T381] vfs_mkdir+0x435/0x610 [ 25.026102][ T381] open_or_create_special_dir+0xbf/0x150 [ 25.031702][ T381] incfs_mount_fs+0x3e9/0x840 [ 25.036351][ T381] ? incfs_unlink+0x80/0x80 [ 25.040834][ T381] ? selinux_capable+0x39/0x50 [ 25.045591][ T381] legacy_get_tree+0xf0/0x190 [ 25.050236][ T381] ? incfs_unlink+0x80/0x80 [ 25.054719][ T381] vfs_get_tree+0x89/0x270 [ 25.059108][ T381] path_mount+0x1975/0x2ab0 [ 25.063593][ T381] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 25.069108][ T381] ? getname_flags+0x207/0x650 [ 25.073840][ T381] ? user_path_at_empty+0x40/0x50 [ 25.078838][ T381] __se_sys_mount+0x2f7/0x3b0 [ 25.083482][ T381] ? __x64_sys_mount+0xd0/0xd0 [ 25.088216][ T381] ? debug_smp_processor_id+0x1c/0x20 [ 25.093554][ T381] __x64_sys_mount+0xbf/0xd0 [ 25.098128][ T381] do_syscall_64+0x31/0x70 [ 25.102527][ T381] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.108560][ T381] RIP: 0033:0x7f96389a1249 [ 25.112950][ T381] 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 [ 25.132523][ T381] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.140903][ T381] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 25.148845][ T381] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 25.156799][ T381] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 25.164837][ T381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.172785][ T381] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000007 [ 25.180971][ T381] incfs: Can't find or create .index dir in ./file0 [ 25.188962][ T365] BUG: Dentry ffff88811a5f4220{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 25.198773][ T365] ------------[ cut here ]------------ [ 25.204263][ T365] WARNING: CPU: 0 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 25.212587][ T365] Modules linked in: [ 25.216472][ T365] CPU: 0 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 25.228028][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.238197][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 25.243500][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 25.263201][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 25.269241][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 25.277229][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 25.285203][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: fffff5200004feb9 [ 25.293179][ T365] R10: fffff5200004feb9 R11: 0000000000000000 R12: ffff88811a5f4220 [ 25.301152][ T365] R13: dffffc0000000000 R14: ffff88810a3863f8 R15: 0000000000000001 [ 25.309101][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.318054][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.324646][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506b0 [ 25.332711][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.340767][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.348716][ T365] Call Trace: [ 25.352021][ T365] d_walk+0x309/0x540 [ 25.356010][ T365] ? __d_free+0x30/0x30 [ 25.360265][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 25.365709][ T365] generic_shutdown_super+0x66/0x2c0 [ 25.370996][ T365] kill_block_super+0x80/0xe0 [ 25.375663][ T365] deactivate_locked_super+0xb0/0x100 [ 25.381032][ T365] deactivate_super+0xa5/0xd0 [ 25.385710][ T365] cleanup_mnt+0x45f/0x510 [ 25.390124][ T365] __cleanup_mnt+0x19/0x20 [ 25.394528][ T365] task_work_run+0x147/0x1b0 [ 25.399087][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 25.404547][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 25.410027][ T365] do_syscall_64+0x3d/0x70 [ 25.414417][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.420311][ T365] RIP: 0033:0x7f96389a25e7 [ 25.424705][ T365] Code: 07 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 [ 25.444415][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.452831][ T365] RAX: 0000000000000000 RBX: 00000000000060f2 RCX: 00007f96389a25e7 [ 25.460813][ T365] RDX: 00007ffc6f4962e9 RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 25.468777][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 25.476759][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 25.484744][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000008 [ 25.492808][ T365] ---[ end trace 22d9bf8f62e18155 ]--- [ 25.498625][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 25.565358][ T383] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 25.578231][ T383] FAULT_INJECTION: forcing a failure. [ 25.578231][ T383] name failslab, interval 1, probability 0, space 0, times 0 [ 25.590996][ T383] CPU: 0 PID: 383 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 25.602519][ T383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.612585][ T383] Call Trace: [ 25.615849][ T383] dump_stack_lvl+0x1e2/0x24b [ 25.620499][ T383] ? show_regs_print_info+0x18/0x18 [ 25.625753][ T383] dump_stack+0x15/0x1d [ 25.629885][ T383] should_fail+0x3c0/0x510 [ 25.634272][ T383] ? security_inode_alloc+0x36/0x1d0 [ 25.639527][ T383] __should_failslab+0x9f/0xe0 [ 25.644270][ T383] should_failslab+0x9/0x20 [ 25.648744][ T383] kmem_cache_alloc+0x43/0x380 [ 25.653492][ T383] security_inode_alloc+0x36/0x1d0 [ 25.658575][ T383] inode_init_always+0x3c5/0x950 [ 25.663483][ T383] ? exfat_fill_super+0x2a20/0x2a20 [ 25.668647][ T383] new_inode_pseudo+0x94/0x220 [ 25.673378][ T383] new_inode+0x28/0x1c0 [ 25.677504][ T383] ? __kasan_check_write+0x14/0x20 [ 25.682844][ T383] ? _raw_spin_lock+0xa3/0x1b0 [ 25.687581][ T383] exfat_build_inode+0x195/0x1170 [ 25.692574][ T383] ? __kasan_check_read+0x11/0x20 [ 25.697576][ T383] ? inode_io_list_move_locked+0x31f/0x360 [ 25.703354][ T383] ? __mark_inode_dirty+0x603/0xa20 [ 25.708626][ T383] ? inc_nlink+0x4c/0x130 [ 25.713024][ T383] exfat_mkdir+0x355/0x5b0 [ 25.717417][ T383] ? exfat_unlink+0x780/0x780 [ 25.722070][ T383] ? selinux_inode_mkdir+0x22/0x30 [ 25.727158][ T383] ? security_inode_mkdir+0xf1/0x130 [ 25.732421][ T383] vfs_mkdir+0x435/0x610 [ 25.736637][ T383] open_or_create_special_dir+0xbf/0x150 [ 25.742239][ T383] incfs_mount_fs+0x3e9/0x840 [ 25.747089][ T383] ? incfs_unlink+0x80/0x80 [ 25.751565][ T383] ? selinux_capable+0x39/0x50 [ 25.756303][ T383] legacy_get_tree+0xf0/0x190 [ 25.761006][ T383] ? incfs_unlink+0x80/0x80 [ 25.765482][ T383] vfs_get_tree+0x89/0x270 [ 25.769963][ T383] path_mount+0x1975/0x2ab0 [ 25.774449][ T383] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 25.779964][ T383] ? getname_flags+0x207/0x650 [ 25.784696][ T383] ? user_path_at_empty+0x40/0x50 [ 25.789689][ T383] __se_sys_mount+0x2f7/0x3b0 [ 25.794338][ T383] ? __x64_sys_mount+0xd0/0xd0 [ 25.799077][ T383] ? debug_smp_processor_id+0x1c/0x20 [ 25.804432][ T383] __x64_sys_mount+0xbf/0xd0 [ 25.809263][ T383] do_syscall_64+0x31/0x70 [ 25.813663][ T383] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.819612][ T383] RIP: 0033:0x7f96389a1249 [ 25.823997][ 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 [ 25.843572][ T383] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.851981][ T383] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 25.859929][ T383] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 25.867874][ T383] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 25.875821][ T383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.883869][ T383] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000008 [ 25.892409][ T383] incfs: Can't find or create .index dir in ./file0 [ 25.900616][ T365] BUG: Dentry ffff88811a5f6440{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 25.910441][ T365] ------------[ cut here ]------------ [ 25.915990][ T365] WARNING: CPU: 0 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 25.924416][ T365] Modules linked in: [ 25.928343][ T365] CPU: 0 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 25.939944][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.950052][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 25.955307][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 25.974984][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 25.981093][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 25.989038][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 25.997074][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee095d8 [ 26.005104][ T365] R10: ffffed103ee095d8 R11: 0000000000000000 R12: ffff88811a5f6440 [ 26.013122][ T365] R13: dffffc0000000000 R14: ffff8881063e53f8 R15: 0000000000000001 [ 26.021120][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 26.030065][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.036627][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506b0 [ 26.044613][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.052594][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.060577][ T365] Call Trace: [ 26.063850][ T365] d_walk+0x309/0x540 [ 26.067804][ T365] ? __d_free+0x30/0x30 [ 26.071969][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 26.077412][ T365] generic_shutdown_super+0x66/0x2c0 [ 26.082700][ T365] kill_block_super+0x80/0xe0 [ 26.087377][ T365] deactivate_locked_super+0xb0/0x100 [ 26.092784][ T365] deactivate_super+0xa5/0xd0 [ 26.097455][ T365] cleanup_mnt+0x45f/0x510 [ 26.101895][ T365] __cleanup_mnt+0x19/0x20 [ 26.106319][ T365] task_work_run+0x147/0x1b0 [ 26.110936][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 26.116394][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 26.121880][ T365] do_syscall_64+0x3d/0x70 [ 26.126294][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.132191][ T365] RIP: 0033:0x7f96389a25e7 [ 26.136603][ T365] Code: 07 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 [ 26.156265][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 26.164806][ T365] RAX: 0000000000000000 RBX: 00000000000063c2 RCX: 00007f96389a25e7 [ 26.172826][ T365] RDX: 00007ffc6f4962e9 RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 26.180909][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 26.188878][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 26.196887][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000009 [ 26.204881][ T365] ---[ end trace 22d9bf8f62e18156 ]--- [ 26.210817][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 26.275264][ T385] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 26.288107][ T385] FAULT_INJECTION: forcing a failure. [ 26.288107][ T385] name failslab, interval 1, probability 0, space 0, times 0 [ 26.300875][ T385] CPU: 1 PID: 385 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 26.312390][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.322416][ T385] Call Trace: [ 26.325679][ T385] dump_stack_lvl+0x1e2/0x24b [ 26.330424][ T385] ? show_regs_print_info+0x18/0x18 [ 26.335683][ T385] dump_stack+0x15/0x1d [ 26.339903][ T385] should_fail+0x3c0/0x510 [ 26.344293][ T385] ? mempool_alloc_slab+0x1d/0x30 [ 26.349287][ T385] __should_failslab+0x9f/0xe0 [ 26.354021][ T385] should_failslab+0x9/0x20 [ 26.358494][ T385] kmem_cache_alloc+0x43/0x380 [ 26.363231][ T385] ? mempool_free+0x310/0x310 [ 26.368049][ T385] mempool_alloc_slab+0x1d/0x30 [ 26.372868][ T385] mempool_alloc+0x113/0x650 [ 26.377429][ T385] ? mempool_resize+0x8e0/0x8e0 [ 26.382251][ T385] ? __rcu_read_lock+0x50/0x50 [ 26.386985][ T385] ? avc_has_perm_noaudit+0x358/0x4d0 [ 26.392329][ T385] bio_alloc_bioset+0x1db/0x650 [ 26.397155][ T385] ? __local_bh_enable_ip+0xa8/0x170 [ 26.402411][ T385] ? __kasan_check_write+0x14/0x20 [ 26.407510][ T385] ? bio_chain_endio+0x120/0x120 [ 26.412433][ T385] ? delayed_work_timer_fn+0x80/0x80 [ 26.417688][ T385] ? _raw_spin_lock+0xa3/0x1b0 [ 26.422422][ T385] submit_bh_wbc+0x1cb/0x740 [ 26.426980][ T385] ? wb_wakeup_delayed+0xc8/0x100 [ 26.431971][ T385] __sync_dirty_buffer+0x1ea/0x2f0 [ 26.437228][ T385] sync_dirty_buffer+0x1a/0x20 [ 26.441962][ T385] exfat_set_vol_flags+0x35e/0x410 [ 26.447042][ T385] exfat_set_volume_dirty+0x5c/0x80 [ 26.452212][ T385] exfat_mkdir+0x11b/0x5b0 [ 26.456608][ T385] ? exfat_unlink+0x780/0x780 [ 26.461259][ T385] ? selinux_inode_mkdir+0x22/0x30 [ 26.466344][ T385] ? security_inode_mkdir+0xf1/0x130 [ 26.471611][ T385] vfs_mkdir+0x435/0x610 [ 26.475828][ T385] open_or_create_special_dir+0xbf/0x150 [ 26.481429][ T385] incfs_mount_fs+0x3e9/0x840 [ 26.486087][ T385] ? incfs_unlink+0x80/0x80 [ 26.490568][ T385] ? selinux_capable+0x39/0x50 [ 26.495304][ T385] legacy_get_tree+0xf0/0x190 [ 26.499951][ T385] ? incfs_unlink+0x80/0x80 [ 26.504426][ T385] vfs_get_tree+0x89/0x270 [ 26.508826][ T385] path_mount+0x1975/0x2ab0 [ 26.513302][ T385] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 26.518826][ T385] ? getname_flags+0x207/0x650 [ 26.523574][ T385] ? user_path_at_empty+0x40/0x50 [ 26.528656][ T385] __se_sys_mount+0x2f7/0x3b0 [ 26.533303][ T385] ? __x64_sys_mount+0xd0/0xd0 [ 26.538124][ T385] ? debug_smp_processor_id+0x1c/0x20 [ 26.543465][ T385] __x64_sys_mount+0xbf/0xd0 [ 26.548026][ T385] do_syscall_64+0x31/0x70 [ 26.552412][ T385] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.558284][ T385] RIP: 0033:0x7f96389a1249 [ 26.562759][ T385] 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 [ 26.582509][ T385] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.590889][ T385] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 26.598829][ T385] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 26.606784][ T385] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 26.614741][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 executing program [ 26.622696][ T385] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000009 [ 26.631682][ T385] incfs: ino conflict with backing FS 1 [ 26.664837][ T387] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 26.677757][ T387] FAULT_INJECTION: forcing a failure. [ 26.677757][ T387] name failslab, interval 1, probability 0, space 0, times 0 [ 26.690562][ T387] CPU: 1 PID: 387 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 26.702208][ T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.712262][ T387] Call Trace: [ 26.715617][ T387] dump_stack_lvl+0x1e2/0x24b [ 26.720283][ T387] ? show_regs_print_info+0x18/0x18 [ 26.725468][ T387] dump_stack+0x15/0x1d [ 26.729660][ T387] should_fail+0x3c0/0x510 [ 26.734065][ T387] ? security_inode_alloc+0x36/0x1d0 [ 26.739330][ T387] __should_failslab+0x9f/0xe0 [ 26.744094][ T387] should_failslab+0x9/0x20 [ 26.748590][ T387] kmem_cache_alloc+0x43/0x380 [ 26.753341][ T387] security_inode_alloc+0x36/0x1d0 [ 26.758605][ T387] inode_init_always+0x3c5/0x950 [ 26.763605][ T387] ? exfat_fill_super+0x2a20/0x2a20 [ 26.768790][ T387] new_inode_pseudo+0x94/0x220 [ 26.773538][ T387] new_inode+0x28/0x1c0 [ 26.777687][ T387] ? __kasan_check_write+0x14/0x20 [ 26.782780][ T387] ? _raw_spin_lock+0xa3/0x1b0 [ 26.787521][ T387] exfat_build_inode+0x195/0x1170 [ 26.792535][ T387] ? __kasan_check_read+0x11/0x20 [ 26.797538][ T387] ? inode_io_list_move_locked+0x31f/0x360 [ 26.803323][ T387] ? __mark_inode_dirty+0x603/0xa20 [ 26.808493][ T387] ? inc_nlink+0x4c/0x130 [ 26.812810][ T387] exfat_mkdir+0x355/0x5b0 [ 26.817218][ T387] ? exfat_unlink+0x780/0x780 [ 26.821868][ T387] ? selinux_inode_mkdir+0x22/0x30 [ 26.826951][ T387] ? security_inode_mkdir+0xf1/0x130 [ 26.832221][ T387] vfs_mkdir+0x435/0x610 [ 26.836454][ T387] open_or_create_special_dir+0xbf/0x150 [ 26.842059][ T387] incfs_mount_fs+0x3e9/0x840 [ 26.846709][ T387] ? incfs_unlink+0x80/0x80 [ 26.851186][ T387] ? selinux_capable+0x39/0x50 [ 26.855940][ T387] legacy_get_tree+0xf0/0x190 [ 26.860677][ T387] ? incfs_unlink+0x80/0x80 [ 26.865156][ T387] vfs_get_tree+0x89/0x270 [ 26.869544][ T387] path_mount+0x1975/0x2ab0 [ 26.874032][ T387] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 26.879560][ T387] ? getname_flags+0x207/0x650 [ 26.884296][ T387] ? user_path_at_empty+0x40/0x50 [ 26.889290][ T387] __se_sys_mount+0x2f7/0x3b0 [ 26.893939][ T387] ? __x64_sys_mount+0xd0/0xd0 [ 26.898680][ T387] ? debug_smp_processor_id+0x1c/0x20 [ 26.904033][ T387] __x64_sys_mount+0xbf/0xd0 [ 26.908611][ T387] do_syscall_64+0x31/0x70 [ 26.913009][ T387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.918885][ T387] RIP: 0033:0x7f96389a1249 [ 26.923496][ 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 [ 26.943085][ T387] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.951488][ T387] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 26.959434][ T387] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 26.967508][ T387] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 26.975465][ T387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 26.983435][ T387] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000a [ 26.991505][ T387] incfs: Can't find or create .index dir in ./file0 [ 26.999565][ T365] BUG: Dentry ffff88811a63c440{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 27.009418][ T365] ------------[ cut here ]------------ [ 27.014989][ T365] WARNING: CPU: 0 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 27.023398][ T365] Modules linked in: [ 27.027281][ T365] CPU: 0 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 27.038875][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.048998][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 27.054688][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 27.074352][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 27.080484][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 27.088537][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 27.096583][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee095d8 [ 27.104617][ T365] R10: ffffed103ee095d8 R11: 0000000000000000 R12: ffff88811a63c440 [ 27.112644][ T365] R13: dffffc0000000000 R14: ffff8881063e33f8 R15: 0000000000000001 [ 27.120727][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 27.129640][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.136234][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506b0 [ 27.144238][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.152230][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.160294][ T365] Call Trace: [ 27.163572][ T365] d_walk+0x309/0x540 [ 27.167536][ T365] ? __d_free+0x30/0x30 [ 27.171694][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 27.177160][ T365] generic_shutdown_super+0x66/0x2c0 [ 27.182472][ T365] kill_block_super+0x80/0xe0 [ 27.187142][ T365] deactivate_locked_super+0xb0/0x100 [ 27.192535][ T365] deactivate_super+0xa5/0xd0 [ 27.197206][ T365] cleanup_mnt+0x45f/0x510 [ 27.201651][ T365] __cleanup_mnt+0x19/0x20 [ 27.206119][ T365] task_work_run+0x147/0x1b0 [ 27.210760][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 27.216224][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 27.221698][ T365] do_syscall_64+0x3d/0x70 [ 27.226100][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.231998][ T365] RIP: 0033:0x7f96389a25e7 [ 27.236414][ T365] Code: 07 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 [ 27.256073][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 27.264510][ T365] RAX: 0000000000000000 RBX: 000000000000680e RCX: 00007f96389a25e7 [ 27.272513][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 27.280843][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 27.288803][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 27.296789][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 000000000000000b [ 27.304773][ T365] ---[ end trace 22d9bf8f62e18157 ]--- [ 27.310644][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 27.405369][ T389] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 27.419248][ T389] FAULT_INJECTION: forcing a failure. [ 27.419248][ T389] name failslab, interval 1, probability 0, space 0, times 0 [ 27.431908][ T389] CPU: 1 PID: 389 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 27.443458][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.453579][ T389] Call Trace: [ 27.456852][ T389] dump_stack_lvl+0x1e2/0x24b [ 27.462809][ T389] ? devkmsg_release+0x127/0x127 [ 27.469067][ T389] ? show_regs_print_info+0x18/0x18 [ 27.474249][ T389] dump_stack+0x15/0x1d [ 27.478376][ T389] should_fail+0x3c0/0x510 [ 27.482766][ T389] ? exfat_alloc_inode+0x1b/0x60 [ 27.487705][ T389] __should_failslab+0x9f/0xe0 [ 27.492461][ T389] should_failslab+0x9/0x20 [ 27.496953][ T389] kmem_cache_alloc+0x43/0x380 [ 27.502457][ T389] ? exfat_fill_super+0x2a20/0x2a20 [ 27.507654][ T389] exfat_alloc_inode+0x1b/0x60 [ 27.512395][ T389] ? exfat_fill_super+0x2a20/0x2a20 [ 27.517663][ T389] new_inode_pseudo+0x65/0x220 [ 27.522402][ T389] new_inode+0x28/0x1c0 [ 27.526535][ T389] ? __kasan_check_write+0x14/0x20 [ 27.531644][ T389] ? _raw_spin_lock+0xa3/0x1b0 [ 27.536381][ T389] exfat_build_inode+0x195/0x1170 [ 27.541376][ T389] ? __kasan_check_read+0x11/0x20 [ 27.546371][ T389] ? inode_io_list_move_locked+0x31f/0x360 [ 27.552147][ T389] ? __mark_inode_dirty+0x603/0xa20 [ 27.557506][ T389] ? inc_nlink+0x4c/0x130 [ 27.561818][ T389] exfat_mkdir+0x355/0x5b0 [ 27.566226][ T389] ? exfat_unlink+0x780/0x780 [ 27.571328][ T389] ? selinux_inode_mkdir+0x22/0x30 [ 27.576417][ T389] ? security_inode_mkdir+0xf1/0x130 [ 27.581685][ T389] vfs_mkdir+0x435/0x610 [ 27.585901][ T389] open_or_create_special_dir+0xbf/0x150 [ 27.591510][ T389] incfs_mount_fs+0x3e9/0x840 [ 27.596228][ T389] ? incfs_unlink+0x80/0x80 [ 27.600708][ T389] ? selinux_capable+0x39/0x50 [ 27.605449][ T389] legacy_get_tree+0xf0/0x190 [ 27.610113][ T389] ? incfs_unlink+0x80/0x80 [ 27.614588][ T389] vfs_get_tree+0x89/0x270 [ 27.618978][ T389] path_mount+0x1975/0x2ab0 [ 27.623540][ T389] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 27.629055][ T389] ? getname_flags+0x207/0x650 [ 27.633785][ T389] ? user_path_at_empty+0x40/0x50 [ 27.638777][ T389] __se_sys_mount+0x2f7/0x3b0 [ 27.643511][ T389] ? __x64_sys_mount+0xd0/0xd0 [ 27.648247][ T389] ? debug_smp_processor_id+0x1c/0x20 [ 27.653586][ T389] __x64_sys_mount+0xbf/0xd0 [ 27.658159][ T389] do_syscall_64+0x31/0x70 [ 27.662555][ T389] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.668415][ T389] RIP: 0033:0x7f96389a1249 [ 27.672823][ T389] 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 [ 27.692493][ T389] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 27.700924][ T389] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 27.708897][ T389] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 27.716869][ T389] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 27.724815][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 27.732756][ T389] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000b [ 27.740985][ T389] incfs: Can't find or create .index dir in ./file0 [ 27.749028][ T365] BUG: Dentry ffff88811a63c110{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 27.758782][ T365] ------------[ cut here ]------------ [ 27.764278][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 27.772699][ T365] Modules linked in: [ 27.776590][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 27.788322][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.798416][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 27.803728][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 27.823387][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 27.829436][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 27.837463][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 27.845498][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee295d8 [ 27.853567][ T365] R10: ffffed103ee295d8 R11: 0000000000000000 R12: ffff88811a63c110 [ 27.861550][ T365] R13: dffffc0000000000 R14: ffff88810a91a3f8 R15: 0000000000000001 [ 27.869559][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.878536][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.885167][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 27.893160][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.901303][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.909277][ T365] Call Trace: [ 27.912586][ T365] d_walk+0x309/0x540 [ 27.916573][ T365] ? __d_free+0x30/0x30 [ 27.920737][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 27.926190][ T365] generic_shutdown_super+0x66/0x2c0 [ 27.931480][ T365] kill_block_super+0x80/0xe0 [ 27.936235][ T365] deactivate_locked_super+0xb0/0x100 [ 27.941626][ T365] deactivate_super+0xa5/0xd0 [ 27.946305][ T365] cleanup_mnt+0x45f/0x510 [ 27.950736][ T365] __cleanup_mnt+0x19/0x20 [ 27.955176][ T365] task_work_run+0x147/0x1b0 [ 27.959744][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 27.965229][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 27.970709][ T365] do_syscall_64+0x3d/0x70 [ 27.975105][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.980997][ T365] RIP: 0033:0x7f96389a25e7 [ 27.985394][ T365] Code: 07 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 [ 28.005112][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 28.013540][ T365] RAX: 0000000000000000 RBX: 0000000000006af2 RCX: 00007f96389a25e7 [ 28.021530][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 28.029529][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 28.037736][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 28.045762][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 000000000000000c [ 28.053751][ T365] ---[ end trace 22d9bf8f62e18158 ]--- [ 28.059667][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 28.165364][ T391] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 28.178779][ T391] FAULT_INJECTION: forcing a failure. [ 28.178779][ T391] name failslab, interval 1, probability 0, space 0, times 0 [ 28.191483][ T391] CPU: 0 PID: 391 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 28.203061][ T391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.213091][ T391] Call Trace: [ 28.216394][ T391] dump_stack_lvl+0x1e2/0x24b [ 28.221044][ T391] ? devkmsg_release+0x127/0x127 [ 28.226149][ T391] ? show_regs_print_info+0x18/0x18 [ 28.231495][ T391] dump_stack+0x15/0x1d [ 28.235631][ T391] should_fail+0x3c0/0x510 [ 28.240018][ T391] ? exfat_alloc_inode+0x1b/0x60 [ 28.244938][ T391] __should_failslab+0x9f/0xe0 [ 28.249678][ T391] should_failslab+0x9/0x20 [ 28.254171][ T391] kmem_cache_alloc+0x43/0x380 [ 28.258908][ T391] ? exfat_fill_super+0x2a20/0x2a20 [ 28.264179][ T391] exfat_alloc_inode+0x1b/0x60 [ 28.268913][ T391] ? exfat_fill_super+0x2a20/0x2a20 [ 28.274084][ T391] new_inode_pseudo+0x65/0x220 [ 28.278816][ T391] new_inode+0x28/0x1c0 [ 28.282951][ T391] ? __kasan_check_write+0x14/0x20 [ 28.288207][ T391] ? _raw_spin_lock+0xa3/0x1b0 [ 28.292947][ T391] exfat_build_inode+0x195/0x1170 [ 28.297948][ T391] ? __kasan_check_read+0x11/0x20 [ 28.302946][ T391] ? inode_io_list_move_locked+0x31f/0x360 [ 28.308722][ T391] ? __mark_inode_dirty+0x603/0xa20 [ 28.313976][ T391] ? inc_nlink+0x4c/0x130 [ 28.318290][ T391] exfat_mkdir+0x355/0x5b0 [ 28.322679][ T391] ? exfat_unlink+0x780/0x780 [ 28.327329][ T391] ? selinux_inode_mkdir+0x22/0x30 [ 28.332427][ T391] ? security_inode_mkdir+0xf1/0x130 [ 28.337691][ T391] vfs_mkdir+0x435/0x610 [ 28.341906][ T391] open_or_create_special_dir+0xbf/0x150 [ 28.347513][ T391] incfs_mount_fs+0x3e9/0x840 [ 28.352162][ T391] ? incfs_unlink+0x80/0x80 [ 28.356636][ T391] ? selinux_capable+0x39/0x50 [ 28.361377][ T391] legacy_get_tree+0xf0/0x190 [ 28.366027][ T391] ? incfs_unlink+0x80/0x80 [ 28.370512][ T391] vfs_get_tree+0x89/0x270 [ 28.374900][ T391] path_mount+0x1975/0x2ab0 [ 28.379379][ T391] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 28.384906][ T391] ? getname_flags+0x207/0x650 [ 28.389645][ T391] ? user_path_at_empty+0x40/0x50 [ 28.394652][ T391] __se_sys_mount+0x2f7/0x3b0 [ 28.399393][ T391] ? __x64_sys_mount+0xd0/0xd0 [ 28.404130][ T391] ? debug_smp_processor_id+0x1c/0x20 [ 28.409471][ T391] __x64_sys_mount+0xbf/0xd0 [ 28.414039][ T391] do_syscall_64+0x31/0x70 [ 28.418444][ T391] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.424323][ T391] RIP: 0033:0x7f96389a1249 [ 28.428710][ T391] 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 [ 28.448289][ T391] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 28.456695][ T391] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 28.464651][ T391] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 28.472597][ T391] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 28.480543][ T391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.488486][ T391] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000c [ 28.496939][ T391] incfs: Can't find or create .index dir in ./file0 [ 28.504219][ T23] kauditd_printk_skb: 3 callbacks suppressed [ 28.504229][ T23] audit: type=1400 audit(1635380159.770:84): avc: denied { remove_name } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.532742][ T23] audit: type=1400 audit(1635380159.770:85): avc: denied { rename } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.532775][ T365] BUG: Dentry ffff88811a63fee0{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 28.564544][ T365] ------------[ cut here ]------------ [ 28.570092][ T365] WARNING: CPU: 0 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 28.578437][ T365] Modules linked in: [ 28.582477][ T365] CPU: 0 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 28.594031][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.604141][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 28.609432][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 28.629241][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 28.635538][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 28.643533][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 28.651555][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee095d8 [ 28.659518][ T365] R10: ffffed103ee095d8 R11: 0000000000000000 R12: ffff88811a63fee0 [ 28.667512][ T365] R13: dffffc0000000000 R14: ffff8881063de3f8 R15: 0000000000000001 [ 28.675523][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.684559][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.691153][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506b0 [ 28.699110][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.707104][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.715213][ T365] Call Trace: [ 28.718506][ T365] d_walk+0x309/0x540 [ 28.722512][ T365] ? __d_free+0x30/0x30 [ 28.726668][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 28.732144][ T365] generic_shutdown_super+0x66/0x2c0 [ 28.737418][ T365] kill_block_super+0x80/0xe0 [ 28.742108][ T365] deactivate_locked_super+0xb0/0x100 [ 28.747495][ T365] deactivate_super+0xa5/0xd0 [ 28.752207][ T365] cleanup_mnt+0x45f/0x510 [ 28.756611][ T365] __cleanup_mnt+0x19/0x20 [ 28.761039][ T365] task_work_run+0x147/0x1b0 [ 28.765630][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 28.771109][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 28.776661][ T365] do_syscall_64+0x3d/0x70 [ 28.781085][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.786961][ T365] RIP: 0033:0x7f96389a25e7 [ 28.791409][ T365] Code: 07 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 [ 28.811030][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 28.819436][ T365] RAX: 0000000000000000 RBX: 0000000000006dea RCX: 00007f96389a25e7 [ 28.827580][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 28.835582][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 28.843605][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 28.851662][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 000000000000000d [ 28.859631][ T365] ---[ end trace 22d9bf8f62e18159 ]--- executing program [ 28.865613][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 28.925174][ T393] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 28.938016][ T393] FAULT_INJECTION: forcing a failure. [ 28.938016][ T393] name failslab, interval 1, probability 0, space 0, times 0 [ 28.950798][ T393] CPU: 1 PID: 393 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 28.962404][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.972444][ T393] Call Trace: [ 28.975709][ T393] dump_stack_lvl+0x1e2/0x24b [ 28.980661][ T393] ? devkmsg_release+0x127/0x127 [ 28.985569][ T393] ? show_regs_print_info+0x18/0x18 [ 28.990734][ T393] dump_stack+0x15/0x1d [ 28.994861][ T393] should_fail+0x3c0/0x510 [ 28.999261][ T393] ? exfat_alloc_inode+0x1b/0x60 [ 29.004183][ T393] __should_failslab+0x9f/0xe0 [ 29.008922][ T393] should_failslab+0x9/0x20 [ 29.013406][ T393] kmem_cache_alloc+0x43/0x380 [ 29.018139][ T393] ? exfat_fill_super+0x2a20/0x2a20 [ 29.023406][ T393] exfat_alloc_inode+0x1b/0x60 [ 29.028142][ T393] ? exfat_fill_super+0x2a20/0x2a20 [ 29.033312][ T393] new_inode_pseudo+0x65/0x220 [ 29.038061][ T393] new_inode+0x28/0x1c0 [ 29.042289][ T393] ? __kasan_check_write+0x14/0x20 [ 29.047378][ T393] ? _raw_spin_lock+0xa3/0x1b0 [ 29.052118][ T393] exfat_build_inode+0x195/0x1170 [ 29.057121][ T393] ? __kasan_check_read+0x11/0x20 [ 29.062120][ T393] ? inode_io_list_move_locked+0x31f/0x360 [ 29.067904][ T393] ? __mark_inode_dirty+0x603/0xa20 [ 29.073077][ T393] ? inc_nlink+0x4c/0x130 [ 29.077394][ T393] exfat_mkdir+0x355/0x5b0 [ 29.081796][ T393] ? exfat_unlink+0x780/0x780 [ 29.086453][ T393] ? selinux_inode_mkdir+0x22/0x30 [ 29.091546][ T393] ? security_inode_mkdir+0xf1/0x130 [ 29.096802][ T393] vfs_mkdir+0x435/0x610 [ 29.101021][ T393] open_or_create_special_dir+0xbf/0x150 [ 29.106624][ T393] incfs_mount_fs+0x3e9/0x840 [ 29.111281][ T393] ? incfs_unlink+0x80/0x80 [ 29.115757][ T393] ? selinux_capable+0x39/0x50 [ 29.120494][ T393] legacy_get_tree+0xf0/0x190 [ 29.125158][ T393] ? incfs_unlink+0x80/0x80 [ 29.129634][ T393] vfs_get_tree+0x89/0x270 [ 29.134036][ T393] path_mount+0x1975/0x2ab0 [ 29.138518][ T393] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 29.144038][ T393] ? getname_flags+0x207/0x650 [ 29.148777][ T393] ? user_path_at_empty+0x40/0x50 [ 29.153795][ T393] __se_sys_mount+0x2f7/0x3b0 [ 29.158451][ T393] ? __x64_sys_mount+0xd0/0xd0 [ 29.163191][ T393] ? debug_smp_processor_id+0x1c/0x20 [ 29.168538][ T393] __x64_sys_mount+0xbf/0xd0 [ 29.173130][ T393] do_syscall_64+0x31/0x70 [ 29.177523][ T393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.183388][ T393] RIP: 0033:0x7f96389a1249 [ 29.187792][ 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 [ 29.207369][ T393] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.215769][ T393] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 29.223717][ T393] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 29.231748][ T393] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 29.239704][ T393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.247650][ T393] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000d [ 29.255716][ T393] incfs: Can't find or create .index dir in ./file0 [ 29.263679][ T365] BUG: Dentry ffff88811a646770{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 29.273452][ T365] ------------[ cut here ]------------ [ 29.278903][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 29.287286][ T365] Modules linked in: [ 29.291183][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 29.302710][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.312780][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 29.318044][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 29.337680][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 29.343785][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 29.351788][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 29.359758][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: fffff5200004feb9 [ 29.367771][ T365] R10: fffff5200004feb9 R11: 0000000000000000 R12: ffff88811a646770 [ 29.375761][ T365] R13: dffffc0000000000 R14: ffff8881063dd3f8 R15: 0000000000000001 [ 29.383770][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 29.392716][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.399283][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 29.407357][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.415358][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.423334][ T365] Call Trace: [ 29.426607][ T365] d_walk+0x309/0x540 [ 29.430590][ T365] ? __d_free+0x30/0x30 [ 29.434733][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 29.440199][ T365] generic_shutdown_super+0x66/0x2c0 [ 29.445464][ T365] kill_block_super+0x80/0xe0 [ 29.450159][ T365] deactivate_locked_super+0xb0/0x100 [ 29.455517][ T365] deactivate_super+0xa5/0xd0 [ 29.460205][ T365] cleanup_mnt+0x45f/0x510 [ 29.464636][ T365] __cleanup_mnt+0x19/0x20 [ 29.469026][ T365] task_work_run+0x147/0x1b0 [ 29.473622][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 29.479065][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 29.484530][ T365] do_syscall_64+0x3d/0x70 [ 29.488934][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.494844][ T365] RIP: 0033:0x7f96389a25e7 [ 29.499246][ T365] Code: 07 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 [ 29.519259][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 29.527786][ T365] RAX: 0000000000000000 RBX: 00000000000070e2 RCX: 00007f96389a25e7 [ 29.535875][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 29.543875][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 29.551922][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 29.559932][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 000000000000000e [ 29.567928][ T365] ---[ end trace 22d9bf8f62e1815a ]--- [ 29.573896][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 29.645061][ T395] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 29.660115][ T395] FAULT_INJECTION: forcing a failure. [ 29.660115][ T395] name failslab, interval 1, probability 0, space 0, times 0 [ 29.672760][ T395] CPU: 0 PID: 395 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 29.684272][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.694461][ T395] Call Trace: [ 29.697734][ T395] dump_stack_lvl+0x1e2/0x24b [ 29.702387][ T395] ? devkmsg_release+0x127/0x127 [ 29.707415][ T395] ? show_regs_print_info+0x18/0x18 [ 29.712701][ T395] dump_stack+0x15/0x1d [ 29.716927][ T395] should_fail+0x3c0/0x510 [ 29.721321][ T395] ? exfat_alloc_inode+0x1b/0x60 [ 29.726351][ T395] __should_failslab+0x9f/0xe0 [ 29.731192][ T395] should_failslab+0x9/0x20 [ 29.735919][ T395] kmem_cache_alloc+0x43/0x380 [ 29.740664][ T395] ? exfat_fill_super+0x2a20/0x2a20 [ 29.745837][ T395] exfat_alloc_inode+0x1b/0x60 [ 29.750575][ T395] ? exfat_fill_super+0x2a20/0x2a20 [ 29.755977][ T395] new_inode_pseudo+0x65/0x220 [ 29.760720][ T395] new_inode+0x28/0x1c0 [ 29.764848][ T395] ? __kasan_check_write+0x14/0x20 [ 29.769932][ T395] ? _raw_spin_lock+0xa3/0x1b0 [ 29.774680][ T395] exfat_build_inode+0x195/0x1170 [ 29.779803][ T395] ? __kasan_check_read+0x11/0x20 [ 29.784826][ T395] ? inode_io_list_move_locked+0x31f/0x360 [ 29.790608][ T395] ? __mark_inode_dirty+0x603/0xa20 [ 29.795780][ T395] ? inc_nlink+0x4c/0x130 [ 29.800266][ T395] exfat_mkdir+0x355/0x5b0 [ 29.804680][ T395] ? exfat_unlink+0x780/0x780 [ 29.809350][ T395] ? selinux_inode_mkdir+0x22/0x30 [ 29.814448][ T395] ? security_inode_mkdir+0xf1/0x130 [ 29.819707][ T395] vfs_mkdir+0x435/0x610 [ 29.823936][ T395] open_or_create_special_dir+0xbf/0x150 [ 29.829547][ T395] incfs_mount_fs+0x3e9/0x840 [ 29.834198][ T395] ? incfs_unlink+0x80/0x80 [ 29.838673][ T395] ? selinux_capable+0x39/0x50 [ 29.843418][ T395] legacy_get_tree+0xf0/0x190 [ 29.848087][ T395] ? incfs_unlink+0x80/0x80 [ 29.852602][ T395] vfs_get_tree+0x89/0x270 [ 29.856993][ T395] path_mount+0x1975/0x2ab0 [ 29.861470][ T395] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 29.867141][ T395] ? getname_flags+0x207/0x650 [ 29.871892][ T395] ? user_path_at_empty+0x40/0x50 [ 29.876893][ T395] __se_sys_mount+0x2f7/0x3b0 [ 29.881725][ T395] ? __x64_sys_mount+0xd0/0xd0 [ 29.886468][ T395] ? debug_smp_processor_id+0x1c/0x20 [ 29.891818][ T395] __x64_sys_mount+0xbf/0xd0 [ 29.896397][ T395] do_syscall_64+0x31/0x70 [ 29.900795][ T395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.906666][ T395] RIP: 0033:0x7f96389a1249 [ 29.911056][ T395] 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 [ 29.930651][ T395] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.939113][ T395] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 29.947059][ T395] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 29.955095][ T395] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 29.963044][ T395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.971089][ T395] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000e [ 29.979296][ T395] incfs: Can't find or create .index dir in ./file0 [ 29.987377][ T365] BUG: Dentry ffff88811a60d880{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 29.997683][ T365] ------------[ cut here ]------------ [ 30.003173][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 30.011485][ T365] Modules linked in: [ 30.015365][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 30.027039][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.037121][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 30.042460][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 30.062175][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 30.068220][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 30.076297][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 30.084279][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: fffff5200004feb9 [ 30.092282][ T365] R10: fffff5200004feb9 R11: 0000000000000000 R12: ffff88811a60d880 [ 30.100263][ T365] R13: dffffc0000000000 R14: ffff88810a3853f8 R15: 0000000000000001 [ 30.108228][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 30.117247][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.123846][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 30.131925][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.139902][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.147848][ T365] Call Trace: [ 30.151144][ T365] d_walk+0x309/0x540 [ 30.155115][ T365] ? __d_free+0x30/0x30 [ 30.159244][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 30.164715][ T365] generic_shutdown_super+0x66/0x2c0 [ 30.170001][ T365] kill_block_super+0x80/0xe0 [ 30.174649][ T365] deactivate_locked_super+0xb0/0x100 [ 30.180029][ T365] deactivate_super+0xa5/0xd0 [ 30.184713][ T365] cleanup_mnt+0x45f/0x510 [ 30.189099][ T365] __cleanup_mnt+0x19/0x20 [ 30.193530][ T365] task_work_run+0x147/0x1b0 [ 30.198106][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 30.203572][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 30.209021][ T365] do_syscall_64+0x3d/0x70 [ 30.213456][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.219329][ T365] RIP: 0033:0x7f96389a25e7 [ 30.223748][ T365] Code: 07 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 [ 30.243357][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 30.251784][ T365] RAX: 0000000000000000 RBX: 00000000000073b1 RCX: 00007f96389a25e7 [ 30.259749][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 30.267734][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 30.275712][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 30.283698][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 000000000000000f [ 30.291676][ T365] ---[ end trace 22d9bf8f62e1815b ]--- [ 30.297504][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 30.413693][ T397] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 30.429174][ T397] FAULT_INJECTION: forcing a failure. [ 30.429174][ T397] name failslab, interval 1, probability 0, space 0, times 0 [ 30.441941][ T397] CPU: 0 PID: 397 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 30.453461][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.463506][ T397] Call Trace: [ 30.466785][ T397] dump_stack_lvl+0x1e2/0x24b [ 30.471443][ T397] ? show_regs_print_info+0x18/0x18 [ 30.476627][ T397] dump_stack+0x15/0x1d [ 30.480775][ T397] should_fail+0x3c0/0x510 [ 30.485209][ T397] ? security_inode_alloc+0x36/0x1d0 [ 30.490481][ T397] __should_failslab+0x9f/0xe0 [ 30.495235][ T397] should_failslab+0x9/0x20 [ 30.499714][ T397] kmem_cache_alloc+0x43/0x380 [ 30.504470][ T397] security_inode_alloc+0x36/0x1d0 [ 30.509572][ T397] inode_init_always+0x3c5/0x950 [ 30.514498][ T397] ? exfat_fill_super+0x2a20/0x2a20 [ 30.519677][ T397] new_inode_pseudo+0x94/0x220 [ 30.524418][ T397] new_inode+0x28/0x1c0 [ 30.528553][ T397] ? __kasan_check_write+0x14/0x20 [ 30.533640][ T397] ? _raw_spin_lock+0xa3/0x1b0 [ 30.538385][ T397] exfat_build_inode+0x195/0x1170 [ 30.543397][ T397] ? __kasan_check_read+0x11/0x20 [ 30.548399][ T397] ? inode_io_list_move_locked+0x31f/0x360 [ 30.554200][ T397] ? __mark_inode_dirty+0x603/0xa20 [ 30.559384][ T397] ? inc_nlink+0x4c/0x130 [ 30.563694][ T397] exfat_mkdir+0x355/0x5b0 [ 30.568202][ T397] ? exfat_unlink+0x780/0x780 [ 30.572902][ T397] ? selinux_inode_mkdir+0x22/0x30 [ 30.578014][ T397] ? security_inode_mkdir+0xf1/0x130 [ 30.583291][ T397] vfs_mkdir+0x435/0x610 [ 30.587514][ T397] open_or_create_special_dir+0xbf/0x150 [ 30.593137][ T397] incfs_mount_fs+0x3e9/0x840 [ 30.597796][ T397] ? incfs_unlink+0x80/0x80 [ 30.602278][ T397] ? selinux_capable+0x39/0x50 [ 30.607025][ T397] legacy_get_tree+0xf0/0x190 [ 30.611683][ T397] ? incfs_unlink+0x80/0x80 [ 30.616166][ T397] vfs_get_tree+0x89/0x270 [ 30.620567][ T397] path_mount+0x1975/0x2ab0 [ 30.625065][ T397] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 30.630589][ T397] ? getname_flags+0x207/0x650 [ 30.635335][ T397] ? user_path_at_empty+0x40/0x50 [ 30.640342][ T397] __se_sys_mount+0x2f7/0x3b0 [ 30.645000][ T397] ? __x64_sys_mount+0xd0/0xd0 [ 30.649747][ T397] ? debug_smp_processor_id+0x1c/0x20 [ 30.655099][ T397] __x64_sys_mount+0xbf/0xd0 [ 30.659667][ T397] do_syscall_64+0x31/0x70 [ 30.664061][ T397] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.669929][ T397] RIP: 0033:0x7f96389a1249 [ 30.674322][ T397] 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 [ 30.693919][ T397] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 30.702335][ T397] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 30.710326][ T397] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 30.718292][ T397] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 30.726249][ T397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 30.734203][ T397] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 000000000000000f [ 30.742252][ T397] incfs: Can't find or create .index dir in ./file0 [ 30.750491][ T365] BUG: Dentry ffff88811a60d330{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 30.760391][ T365] ------------[ cut here ]------------ [ 30.765838][ T365] WARNING: CPU: 0 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 30.774215][ T365] Modules linked in: [ 30.778894][ T365] CPU: 0 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 30.790546][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.800618][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 30.805897][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 30.826196][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 30.832283][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 30.840368][ T365] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 30.848422][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: ffffed103ee095d8 [ 30.856410][ T365] R10: ffffed103ee095d8 R11: 0000000000000000 R12: ffff88811a60d330 [ 30.864403][ T365] R13: dffffc0000000000 R14: ffff88810b3073f8 R15: 0000000000000001 [ 30.872387][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.881327][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.887892][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506b0 [ 30.895885][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.903876][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.911887][ T365] Call Trace: [ 30.915164][ T365] d_walk+0x309/0x540 [ 30.919124][ T365] ? __d_free+0x30/0x30 [ 30.923385][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 30.928842][ T365] generic_shutdown_super+0x66/0x2c0 [ 30.934145][ T365] kill_block_super+0x80/0xe0 [ 30.938812][ T365] deactivate_locked_super+0xb0/0x100 [ 30.944192][ T365] deactivate_super+0xa5/0xd0 [ 30.948854][ T365] cleanup_mnt+0x45f/0x510 [ 30.953285][ T365] __cleanup_mnt+0x19/0x20 [ 30.957696][ T365] task_work_run+0x147/0x1b0 [ 30.962297][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 30.967743][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 30.973297][ T365] do_syscall_64+0x3d/0x70 [ 30.977712][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.983621][ T365] RIP: 0033:0x7f96389a25e7 [ 30.988020][ T365] Code: 07 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 [ 31.007662][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 31.016125][ T365] RAX: 0000000000000000 RBX: 00000000000076b2 RCX: 00007f96389a25e7 [ 31.024271][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 31.032277][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 31.040344][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 31.048430][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000010 [ 31.056430][ T365] ---[ end trace 22d9bf8f62e1815c ]--- executing program [ 31.062326][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 31.126806][ T399] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 31.139949][ T399] FAULT_INJECTION: forcing a failure. [ 31.139949][ T399] name failslab, interval 1, probability 0, space 0, times 0 [ 31.152675][ T399] CPU: 0 PID: 399 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 31.164213][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.174259][ T399] Call Trace: [ 31.177531][ T399] dump_stack_lvl+0x1e2/0x24b [ 31.182183][ T399] ? show_regs_print_info+0x18/0x18 [ 31.187354][ T399] dump_stack+0x15/0x1d [ 31.191482][ T399] should_fail+0x3c0/0x510 [ 31.195889][ T399] ? security_inode_alloc+0x36/0x1d0 [ 31.201152][ T399] __should_failslab+0x9f/0xe0 [ 31.205892][ T399] should_failslab+0x9/0x20 [ 31.210367][ T399] kmem_cache_alloc+0x43/0x380 [ 31.215105][ T399] security_inode_alloc+0x36/0x1d0 [ 31.220203][ T399] inode_init_always+0x3c5/0x950 [ 31.225130][ T399] ? exfat_fill_super+0x2a20/0x2a20 [ 31.230398][ T399] new_inode_pseudo+0x94/0x220 [ 31.235151][ T399] new_inode+0x28/0x1c0 [ 31.239294][ T399] ? __kasan_check_write+0x14/0x20 [ 31.244391][ T399] ? _raw_spin_lock+0xa3/0x1b0 [ 31.249141][ T399] exfat_build_inode+0x195/0x1170 [ 31.254149][ T399] ? __kasan_check_read+0x11/0x20 [ 31.259150][ T399] ? inode_io_list_move_locked+0x31f/0x360 [ 31.265450][ T399] ? __mark_inode_dirty+0x603/0xa20 [ 31.270623][ T399] ? inc_nlink+0x4c/0x130 [ 31.274925][ T399] exfat_mkdir+0x355/0x5b0 [ 31.279316][ T399] ? exfat_unlink+0x780/0x780 [ 31.283984][ T399] ? selinux_inode_mkdir+0x22/0x30 [ 31.289109][ T399] ? security_inode_mkdir+0xf1/0x130 [ 31.294386][ T399] vfs_mkdir+0x435/0x610 [ 31.298626][ T399] open_or_create_special_dir+0xbf/0x150 [ 31.304241][ T399] incfs_mount_fs+0x3e9/0x840 [ 31.309020][ T399] ? incfs_unlink+0x80/0x80 [ 31.313509][ T399] ? selinux_capable+0x39/0x50 [ 31.318274][ T399] legacy_get_tree+0xf0/0x190 [ 31.322938][ T399] ? incfs_unlink+0x80/0x80 [ 31.327428][ T399] vfs_get_tree+0x89/0x270 [ 31.331825][ T399] path_mount+0x1975/0x2ab0 [ 31.336304][ T399] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 31.341845][ T399] ? getname_flags+0x207/0x650 [ 31.346590][ T399] ? user_path_at_empty+0x40/0x50 [ 31.351601][ T399] __se_sys_mount+0x2f7/0x3b0 [ 31.356535][ T399] ? __x64_sys_mount+0xd0/0xd0 [ 31.361298][ T399] ? debug_smp_processor_id+0x1c/0x20 [ 31.366653][ T399] __x64_sys_mount+0xbf/0xd0 [ 31.371223][ T399] do_syscall_64+0x31/0x70 [ 31.375642][ T399] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.381517][ T399] RIP: 0033:0x7f96389a1249 [ 31.385914][ 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 [ 31.405518][ T399] RSP: 002b:00007ffc6f497318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 31.413923][ T399] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96389a1249 [ 31.421880][ T399] RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0 [ 31.429923][ T399] RBP: 00007ffc6f497340 R08: 0000000000000000 R09: 00007ffc6f497350 [ 31.437901][ T399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 31.445849][ T399] R13: 00007ffc6f497380 R14: 00007ffc6f497360 R15: 0000000000000010 [ 31.453928][ T399] incfs: Can't find or create .index dir in ./file0 [ 31.462561][ T365] BUG: Dentry ffff88811a610990{i=0,n=.index} still in use (1) [unmount of exfat loop0] [ 31.472591][ T365] ------------[ cut here ]------------ [ 31.478047][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 31.486541][ T365] Modules linked in: [ 31.490516][ T365] CPU: 1 PID: 365 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 31.502215][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.512332][ T365] RIP: 0010:umount_check+0x18d/0x1d0 [ 31.517603][ T365] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 5e d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 31.537302][ T365] RSP: 0018:ffffc9000027fc78 EFLAGS: 00010286 [ 31.543403][ T365] RAX: 0000000000000055 RBX: ffffffff866b4400 RCX: 61ca88af48f53b00 [ 31.551553][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 31.559513][ T365] RBP: ffffc9000027fca8 R08: ffffffff81545288 R09: fffff5200004feb9 [ 31.567491][ T365] R10: fffff5200004feb9 R11: 0000000000000000 R12: ffff88811a610990 [ 31.575641][ T365] R13: dffffc0000000000 R14: ffff8881063db3f8 R15: 0000000000000001 [ 31.583611][ T365] FS: 00005555556d6300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 31.592565][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.599139][ T365] CR2: 00007ffc6f495fc8 CR3: 0000000106f9f000 CR4: 00000000003506a0 [ 31.607138][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.615170][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.623251][ T365] Call Trace: [ 31.626535][ T365] d_walk+0x309/0x540 [ 31.630532][ T365] ? __d_free+0x30/0x30 [ 31.634675][ T365] shrink_dcache_for_umount+0x8e/0x1b0 [ 31.640142][ T365] generic_shutdown_super+0x66/0x2c0 [ 31.645836][ T365] kill_block_super+0x80/0xe0 [ 31.650555][ T365] deactivate_locked_super+0xb0/0x100 [ 31.655918][ T365] deactivate_super+0xa5/0xd0 [ 31.660652][ T365] cleanup_mnt+0x45f/0x510 [ 31.665068][ T365] __cleanup_mnt+0x19/0x20 [ 31.669560][ T365] task_work_run+0x147/0x1b0 [ 31.674325][ T365] exit_to_user_mode_prepare+0xc3/0xe0 [ 31.679848][ T365] syscall_exit_to_user_mode+0x24/0x40 [ 31.685300][ T365] do_syscall_64+0x3d/0x70 [ 31.689695][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.695627][ T365] RIP: 0033:0x7f96389a25e7 [ 31.700075][ T365] Code: 07 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 [ 31.719821][ T365] RSP: 002b:00007ffc6f496228 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 31.728328][ T365] RAX: 0000000000000000 RBX: 000000000000797b RCX: 00007f96389a25e7 [ 31.736324][ T365] RDX: 00007ffc6f4962ea RSI: 0000000000000002 RDI: 00007ffc6f4962e0 [ 31.744335][ T365] RBP: 00007ffc6f4962e0 R08: 00000000ffffffff R09: 00007ffc6f4960c0 [ 31.752336][ T365] R10: 00005555556d7633 R11: 0000000000000206 R12: 00007ffc6f497360 [ 31.760415][ T365] R13: 00005555556d75f0 R14: 00007ffc6f496250 R15: 0000000000000011 [ 31.768373][ T365] ---[ end trace 22d9bf8f62e1815d ]--- [ 31.774420][ T365] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 31.845683][ T401] exFAT-fs (loop0): failed to load upcase table (idx : 0x00000c00, chksum : 0x00000000, utbl_chksum : 0xe619d30d) [ 31.859339][ T401] FAULT_INJECTION: forcing a failure. [ 31.859339][ T401] name failslab, interval 1, probability 0, space 0, times 0 [ 31.872150][ T401] CPU: 1 PID: 401 Comm: syz-executor525 Tainted: G W 5.10.76-syzkaller-01178-g4944ec82ebb9 #0 [ 31.883674][ T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.893752][ T401] Call Trace: [ 31.897021][ T401] dump_stack_lvl+0x1e2/0x24b [ 31.901682][ T401] ? devkmsg_release+0x127/0x127 [ 31.906594][ T401] ? show_regs_print_info+0x18/0x18 [ 31.911769][ T401] dump_stack+0x15/0x1d [ 31.915910][ T401] should_fail+0x3c0/0x510 [ 31.920301][ T401] ? exfat_alloc_inode+0x1b/0x60 [ 31.925219][ T401] __should_failslab+0x9f/0xe0 [ 31.929977][ T401] should_failslab+0x9/0x20 [ 31.934463][ T401] kmem_cache_alloc+0x43/0x380 [ 31.939204][ T401] ? exfat_fill_super+0x2a20/0x2a20 [ 31.944459][ T401] exfat_alloc_inode+0x1b/0x60 [ 31.949190][ T401] ? exfat_fill_super+0x2a20/0x2a20 [ 31.954370][ T401] new_inode_pseudo+0x65/0x220 [ 31.959102][ T401] new_inode+0x28/0x1c0 [ 31.963228][ T401] ? __kasan_check_write+0x14/0x20 [ 31.968309][ T401] ? _raw_spin_lock+0xa3/0x1b0 [ 31.973048][ T401] exfat_build_inode+0x195/0x1170 [ 31.978056][ T401] ? __kasan_check_read+0x11/0x20 [ 31.983158][ T401] ? inode_io_list_move_locked+0x31f/0x360 [ 31.988948][ T401] ? __mark_inode_dirty+0x603/0xa20 [ 31.994123][ T401] ? inc_nlink+0x4c/0x130 [ 31.998439][ T401] exfat_mkdir+0x355/0x5b0 [ 32.002876][ T401] ? exfat_unlink+0x780/0x780 [ 32.007540][ T401] ? selinux_inode_mkdir+0x22/0x30 [ 32.012657][ T401] ? security_inode_mkdir+0xf1/0x130 [ 32.017930][ T401] vfs_mkdir+0x435/0x610 [ 32.022159][ T401] open_or_create_special_dir+0xbf/0x150 [ 32.027775][ T401] incfs_mount_fs+0x3e9/0x840 [ 32.032428][ T401] ? incfs_unlink+0x80/0x80 [ 32.036921][ T401] ? selinux_capable+0x39/0x50 [ 32.041662][ T401] legacy_get_tree+0xf0/0x190 [ 32.046315][ T401] ? incfs_unlink+0x80/0x80 [ 32.050808][ T401] vfs_get_tree+0x89/0x270 [ 32.055201][ T401] path_mount+0x1975/0x2ab0 [ 32.059684][ T401] ? mark_mounts_for_expiry+0x4b0/0x4b0 [ 32.065205][ T401] ? getname_flags+0x207/0x650 [ 32.069949][ T401] ? user_path_at_empty+0x40/0x50 [ 32.074952][ T401] __se_sys_mount+0x2f7/0x3b0 [ 32.079603][ T401] ? __x64_sys_mount+0xd0/0xd0 [ 32.084359][ T401] ? debug_smp_processor_id+0x1c/0x20 [ 32.089716][ T401] __x64_sys_mount+0xbf/0xd0