Warning: Permanently added '10.128.1.114' (ECDSA) to the list of known hosts. [ 53.628544][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 53.628550][ T23] audit: type=1400 audit(1644541826.979:148): avc: denied { mounton } for pid=429 comm="syz-executor879" path="/root/syzkaller.FqZFD3/0/bus" dev="sda1" ino=1152 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 53.642569][ T426] incfs: ino conflict with backing FS 2 [ 53.668039][ T429] incfs: ino conflict with backing FS 2 [ 53.673823][ T432] incfs: ino conflict with backing FS 2 [ 53.679965][ T421] BUG: Dentry ffff88811a795dd0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 53.688105][ T23] audit: type=1400 audit(1644541826.989:149): avc: denied { mount } for pid=426 comm="syz-executor879" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 53.690677][ T421] ------------[ cut here ]------------ [ 53.713739][ T23] audit: type=1400 audit(1644541826.989:150): avc: denied { mounton } for pid=426 comm="syz-executor879" path="/root/syzkaller.y3mDYc/0/bus/file0" dev="tmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 53.719161][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 53.744348][ T23] audit: type=1400 audit(1644541827.019:151): avc: denied { mount } for pid=426 comm="syz-executor879" name="/" dev="incremental-fs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 53.752736][ T421] Modules linked in: [ 53.776571][ T23] audit: type=1400 audit(1644541827.029:152): avc: denied { unmount } for pid=421 comm="syz-executor879" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 53.780441][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Not tainted 5.10.81-syzkaller #0 [ 53.780444][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.780458][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 53.780464][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 53.780466][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 53.780473][ T421] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 53.780475][ T421] RDX: 0000000000000003 RSI: ffffffff84c02020 RDI: fffff520000b3f88 [ 53.780478][ T421] RBP: ffffc9000059fcd8 R08: 000000000000005a R09: ffff8881f7353067 [ 53.780481][ T421] R10: ffffed103ee6a60c R11: 6e6544203a475542 R12: ffff88810d2947a0 [ 53.780483][ T421] R13: ffff88810c26b3f8 R14: ffffffff84a74520 R15: ffff88811a795e28 [ 53.780490][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 53.801243][ T431] incfs: ino conflict with backing FS 2 [ 53.809321][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.809328][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 53.821329][ T433] incfs: ino conflict with backing FS 2 [ 53.825137][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.825139][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.825142][ T421] Call Trace: [ 53.825155][ T421] d_walk+0x115/0x3a0 [ 53.846039][ T427] incfs: ino conflict with backing FS 2 [ 53.851202][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 53.964234][ T421] shrink_dcache_for_umount+0x74/0x300 [ 53.969901][ T421] generic_shutdown_super+0x61/0x330 [ 53.975252][ T421] kill_litter_super+0x63/0x90 [ 53.980165][ T421] deactivate_locked_super+0x8b/0x130 [ 53.985878][ T421] deactivate_super+0x71/0x80 [ 53.991028][ T421] cleanup_mnt+0x33a/0x4e0 [ 53.995682][ T421] __cleanup_mnt+0xd/0x10 [ 54.000159][ T421] task_work_run+0xc2/0x140 [ 54.004910][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 54.010422][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 54.016365][ T421] do_syscall_64+0x3f/0x80 [ 54.020997][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.026893][ T421] RIP: 0033:0x7fd5aa0100d7 [ 54.031288][ T421] 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 [ 54.052207][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 54.060723][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 54.068733][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 54.076704][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 54.084651][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 54.092783][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 54.100839][ T421] ---[ end trace f9009c143491056d ]--- [ 54.106294][ T421] BUG: Dentry ffff88811a793880{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 54.116009][ T421] ------------[ cut here ]------------ [ 54.121440][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 54.130108][ T421] Modules linked in: [ 54.134503][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 54.144520][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.154675][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 54.160295][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 54.180334][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 54.186483][ T421] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.194535][ T421] RDX: 0000000000000003 RSI: ffffffff84c02020 RDI: fffff520000b3f88 [ 54.202608][ T421] RBP: ffffc9000059fcd8 R08: 0000000000000055 R09: ffff8881f7353067 [ 54.210822][ T421] R10: ffffed103ee6a60c R11: 0000000000000001 R12: ffff88810d2959c0 [ 54.223508][ T421] R13: ffff88810c26b3f8 R14: ffffffff84a74520 R15: ffff88811a7938d8 [ 54.231829][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.240760][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.247346][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 54.255304][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.264044][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.272096][ T421] Call Trace: [ 54.275365][ T421] d_walk+0x115/0x3a0 [ 54.279355][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 54.285190][ T421] shrink_dcache_for_umount+0x74/0x300 [ 54.290687][ T421] generic_shutdown_super+0x61/0x330 [ 54.295990][ T421] kill_litter_super+0x63/0x90 [ 54.300754][ T421] deactivate_locked_super+0x8b/0x130 [ 54.306415][ T421] deactivate_super+0x71/0x80 [ 54.311158][ T421] cleanup_mnt+0x33a/0x4e0 [ 54.315815][ T421] __cleanup_mnt+0xd/0x10 [ 54.320221][ T421] task_work_run+0xc2/0x140 [ 54.324722][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 54.330219][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 54.335950][ T421] do_syscall_64+0x3f/0x80 [ 54.340430][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.346422][ T421] RIP: 0033:0x7fd5aa0100d7 [ 54.350818][ T421] 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 [ 54.370849][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 54.379279][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 54.387256][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 54.395209][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 54.403213][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 54.411232][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 54.419214][ T421] ---[ end trace f9009c143491056e ]--- [ 54.424788][ T424] BUG: Dentry ffff88811f410550{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 54.425524][ T421] BUG: Dentry ffff88811a795dd0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 54.435056][ T424] ------------[ cut here ]------------ [ 54.446492][ T421] ------------[ cut here ]------------ [ 54.446505][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 54.446511][ T421] Modules linked in: [ 54.452042][ T424] WARNING: CPU: 0 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 54.457601][ T421] [ 54.467184][ T424] Modules linked in: [ 54.471054][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 54.479978][ T424] CPU: 0 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 54.482352][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.486242][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.486249][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 54.486257][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 54.496209][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 54.506301][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 54.516708][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 54.526767][ T424] [ 54.532627][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 54.552564][ T424] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 54.558273][ T421] [ 54.564326][ T424] RDX: 0000000000000003 RSI: ffffffff84c02020 RDI: fffff520000e8f88 [ 54.564332][ T424] RBP: ffffc90000747cd8 R08: 000000000000005a R09: ffff8881f7253067 [ 54.584218][ T421] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 54.586565][ T424] R10: ffffed103ee4a60c R11: 6e6544203a475542 R12: ffff88810d2924a0 [ 54.592762][ T421] RDX: 0000000000000004 RSI: ffffffff84c02020 RDI: fffff520000b3f88 [ 54.600902][ T424] R13: ffff88810a74f3f8 R14: ffffffff84a74520 R15: ffff88811f4105a8 [ 54.603206][ T421] RBP: ffffc9000059fcd8 R08: 000000000000005a R09: ffff8881f7353067 [ 54.611342][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 54.611349][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.611351][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506b0 [ 54.611353][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.611358][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.619309][ T421] R10: ffffed103ee6a60c R11: 6e6544203a475542 R12: ffff88810d2947a0 [ 54.627349][ T424] Call Trace: [ 54.635583][ T421] R13: ffff88810c26b3f8 R14: ffffffff84a74520 R15: ffff88811a795e28 [ 54.643735][ T424] d_walk+0x115/0x3a0 [ 54.651975][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.660051][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 54.668969][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.668971][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 54.668973][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.668975][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.668976][ T421] Call Trace: [ 54.668982][ T421] d_walk+0x115/0x3a0 [ 54.668986][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 54.668993][ T421] shrink_dcache_for_umount+0x74/0x300 [ 54.675572][ T424] shrink_dcache_for_umount+0x74/0x300 [ 54.683805][ T421] generic_shutdown_super+0x61/0x330 [ 54.691846][ T424] generic_shutdown_super+0x61/0x330 [ 54.700460][ T421] kill_litter_super+0x63/0x90 [ 54.708414][ T424] kill_litter_super+0x63/0x90 [ 54.711849][ T421] deactivate_locked_super+0x8b/0x130 [ 54.720436][ T424] deactivate_locked_super+0x8b/0x130 [ 54.724383][ T421] deactivate_super+0x71/0x80 [ 54.733316][ T424] deactivate_super+0x71/0x80 [ 54.733320][ T424] cleanup_mnt+0x33a/0x4e0 [ 54.733326][ T424] __cleanup_mnt+0xd/0x10 [ 54.739223][ T421] cleanup_mnt+0x33a/0x4e0 [ 54.745785][ T424] task_work_run+0xc2/0x140 [ 54.753814][ T421] __cleanup_mnt+0xd/0x10 [ 54.761788][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 54.769931][ T421] task_work_run+0xc2/0x140 [ 54.773385][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 54.777428][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 54.783201][ T424] do_syscall_64+0x3f/0x80 [ 54.788909][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 54.794423][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.799855][ T421] do_syscall_64+0x3f/0x80 [ 54.799860][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.805197][ T424] RIP: 0033:0x7fd5aa0100d7 [ 54.809932][ T421] RIP: 0033:0x7fd5aa0100d7 [ 54.814747][ T424] 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 [ 54.820270][ T421] 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 [ 54.820272][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 54.825731][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 54.830375][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 54.835016][ T424] ORIG_RAX: 00000000000000a6 [ 54.839512][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 54.839514][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 54.839516][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 54.839518][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 54.839524][ T421] ---[ end trace f9009c143491056f ]--- [ 54.843820][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 54.848396][ T421] BUG: Dentry ffff88811a793880{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 54.852947][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 54.857402][ T421] ------------[ cut here ]------------ [ 54.862825][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 54.867506][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 54.873118][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 54.878581][ T421] Modules linked in: [ 54.878590][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 54.878596][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.882990][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 54.882999][ T424] ---[ end trace f9009c1434910570 ]--- [ 54.883010][ T424] BUG: Dentry ffff88811f40fbb0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 54.883033][ T424] ------------[ cut here ]------------ [ 54.888575][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 54.894528][ T424] WARNING: CPU: 0 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 54.899029][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 54.904883][ T424] Modules linked in: [ 54.909292][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 54.913658][ T424] [ 54.933244][ T421] [ 54.953052][ T424] CPU: 0 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 54.953055][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.953069][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 54.961456][ T421] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.967758][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 54.975735][ T421] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000b3f88 [ 54.980724][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 54.988797][ T421] RBP: ffffc9000059fcd8 R08: 0000000000000055 R09: 0000000000000003 [ 54.996954][ T424] [ 55.005285][ T421] R10: fffff520000b3f2e R11: 6e61656c635f5f20 R12: ffff88810d2959c0 [ 55.013452][ T424] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.018866][ T421] R13: ffff88810c26b3f8 R14: ffffffff84a74520 R15: ffff88811a7938d8 [ 55.026815][ T424] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000e8f88 [ 55.036599][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 55.044737][ T424] RBP: ffffc90000747cd8 R08: 0000000000000055 R09: 0000000000000003 [ 55.050348][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.058497][ T424] R10: fffff520000e8f5d R11: 0000000000000001 R12: ffff88810d292100 [ 55.067345][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 55.076320][ T424] R13: ffff88810a74f3f8 R14: ffffffff84a74520 R15: ffff88811f40fc08 [ 55.080204][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.093882][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 55.104568][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.104638][ T421] Call Trace: [ 55.104905][ T421] d_walk+0x115/0x3a0 [ 55.105086][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 55.105250][ T421] shrink_dcache_for_umount+0x74/0x300 [ 55.105410][ T421] generic_shutdown_super+0x61/0x330 [ 55.105496][ T421] kill_litter_super+0x63/0x90 [ 55.105547][ T421] deactivate_locked_super+0x8b/0x130 [ 55.115396][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.121107][ T421] deactivate_super+0x71/0x80 [ 55.131000][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506b0 [ 55.136445][ T421] cleanup_mnt+0x33a/0x4e0 [ 55.136451][ T421] __cleanup_mnt+0xd/0x10 [ 55.142058][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.150886][ T421] task_work_run+0xc2/0x140 [ 55.170711][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.170715][ T424] Call Trace: [ 55.170727][ T424] d_walk+0x115/0x3a0 [ 55.170736][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 55.174879][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 55.181105][ T424] shrink_dcache_for_umount+0x74/0x300 [ 55.183495][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 55.185889][ T424] generic_shutdown_super+0x61/0x330 [ 55.195815][ T421] do_syscall_64+0x3f/0x80 [ 55.206114][ T424] kill_litter_super+0x63/0x90 [ 55.211992][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.220006][ T424] deactivate_locked_super+0x8b/0x130 [ 55.239798][ T421] RIP: 0033:0x7fd5aa0100d7 [ 55.247847][ T424] deactivate_super+0x71/0x80 [ 55.254049][ T421] 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 [ 55.262274][ T424] cleanup_mnt+0x33a/0x4e0 [ 55.264559][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 55.272602][ T424] __cleanup_mnt+0xd/0x10 [ 55.280556][ T421] ORIG_RAX: 00000000000000a6 [ 55.288632][ T424] task_work_run+0xc2/0x140 [ 55.296671][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 55.305575][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 55.313609][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 55.320355][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 55.328407][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 55.336663][ T424] do_syscall_64+0x3f/0x80 [ 55.344797][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 55.352778][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.361704][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 55.370182][ T424] RIP: 0033:0x7fd5aa0100d7 [ 55.373526][ T421] ---[ end trace f9009c1434910571 ]--- [ 55.377496][ T424] 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 [ 55.399029][ T421] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 55.404578][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 55.417972][ T435] incfs: ino conflict with backing FS 2 [ 55.424074][ T424] ORIG_RAX: 00000000000000a6 [ 55.424078][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 55.424080][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 55.424081][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 55.424083][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 55.424085][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 55.424091][ T424] ---[ end trace f9009c1434910572 ]--- [ 55.427391][ T424] BUG: Dentry ffff88811f410550{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 55.742883][ T424] ------------[ cut here ]------------ [ 55.748371][ T424] WARNING: CPU: 0 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 55.757016][ T424] Modules linked in: [ 55.760967][ T424] CPU: 0 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 55.770742][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.780783][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 55.787367][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 55.807054][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 55.813127][ T424] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 55.821192][ T424] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff520000e8f88 [ 55.829152][ T424] RBP: ffffc90000747cd8 R08: 000000000000005a R09: ffffc900007478cf [ 55.837131][ T424] R10: fffff520000e8f19 R11: 0000000000000001 R12: ffff88810d2924a0 [ 55.845090][ T424] R13: ffff88810a74f3f8 R14: ffffffff84a74520 R15: ffff88811f4105a8 [ 55.853326][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 55.862326][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.869198][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506b0 [ 55.877592][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.885561][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.893518][ T424] Call Trace: [ 55.896790][ T424] d_walk+0x115/0x3a0 [ 55.901040][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 55.907224][ T424] shrink_dcache_for_umount+0x74/0x300 [ 55.912920][ T424] generic_shutdown_super+0x61/0x330 [ 55.918538][ T424] kill_litter_super+0x63/0x90 [ 55.924159][ T424] deactivate_locked_super+0x8b/0x130 [ 55.929546][ T424] deactivate_super+0x71/0x80 [ 55.934199][ T424] cleanup_mnt+0x33a/0x4e0 [ 55.938686][ T424] __cleanup_mnt+0xd/0x10 [ 55.943028][ T424] task_work_run+0xc2/0x140 [ 55.947544][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 55.953179][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 55.958718][ T424] do_syscall_64+0x3f/0x80 [ 55.963203][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.969173][ T424] RIP: 0033:0x7fd5aa0100d7 [ 55.973790][ T424] 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 [ 55.993907][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 56.002494][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 56.010858][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 56.019887][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 56.027928][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 56.035902][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 56.043938][ T424] ---[ end trace f9009c1434910573 ]--- [ 56.049486][ T424] BUG: Dentry ffff88811f40fbb0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 56.059322][ T424] ------------[ cut here ]------------ [ 56.065021][ T424] WARNING: CPU: 0 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 56.075032][ T424] Modules linked in: [ 56.079006][ T424] CPU: 0 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 56.089012][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.099155][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 56.104896][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 56.124598][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 56.130663][ T424] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.138799][ T424] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff520000e8f88 [ 56.146927][ T424] RBP: ffffc90000747cd8 R08: 0000000000000055 R09: ffffc900007478cf [ 56.154958][ T424] R10: fffff520000e8f19 R11: 0000000000000001 R12: ffff88810d292100 [ 56.162929][ T424] R13: ffff88810a74f3f8 R14: ffffffff84a74520 R15: ffff88811f40fc08 [ 56.171004][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 56.179964][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.186546][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506b0 [ 56.194933][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.203304][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.212088][ T424] Call Trace: [ 56.215387][ T424] d_walk+0x115/0x3a0 [ 56.219370][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 56.225450][ T424] shrink_dcache_for_umount+0x74/0x300 [ 56.231352][ T424] generic_shutdown_super+0x61/0x330 [ 56.236992][ T424] kill_litter_super+0x63/0x90 [ 56.241830][ T424] deactivate_locked_super+0x8b/0x130 [ 56.247655][ T424] deactivate_super+0x71/0x80 [ 56.252399][ T424] cleanup_mnt+0x33a/0x4e0 [ 56.257021][ T424] __cleanup_mnt+0xd/0x10 [ 56.261336][ T424] task_work_run+0xc2/0x140 [ 56.265942][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 56.271378][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 56.277097][ T424] do_syscall_64+0x3f/0x80 [ 56.281487][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.287719][ T424] RIP: 0033:0x7fd5aa0100d7 [ 56.292277][ T424] 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 [ 56.312516][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 56.321094][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 56.329248][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 56.337223][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 56.346577][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 56.354724][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 56.362889][ T424] ---[ end trace f9009c1434910574 ]--- [ 56.368477][ T422] BUG: Dentry ffff888109702110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 56.370211][ T420] BUG: Dentry ffff888108ef7cc0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 56.379529][ T422] ------------[ cut here ]------------ [ 56.389659][ T420] ------------[ cut here ]------------ [ 56.395164][ T422] WARNING: CPU: 1 PID: 422 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 56.400684][ T420] WARNING: CPU: 0 PID: 420 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 56.409325][ T422] Modules linked in: [ 56.417976][ T420] Modules linked in: [ 56.417982][ T422] [ 56.421862][ T420] [ 56.425859][ T422] CPU: 1 PID: 422 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 56.425861][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.425871][ T422] RIP: 0010:umount_check.cold+0xce/0x137 [ 56.428165][ T420] CPU: 0 PID: 420 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 56.430552][ T422] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 56.440672][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.440677][ T420] RIP: 0010:umount_check.cold+0xce/0x137 [ 56.440683][ T420] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 56.450820][ T422] RSP: 0018:ffffc90000717ca8 EFLAGS: 00010286 [ 56.456433][ T420] RSP: 0018:ffffc900005afca8 EFLAGS: 00010286 [ 56.466205][ T422] [ 56.485977][ T420] [ 56.496713][ T422] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 56.502315][ T420] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 56.522495][ T422] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000e2f88 [ 56.528550][ T420] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000b5f88 [ 56.534578][ T422] RBP: ffffc90000717cd8 R08: 000000000000005a R09: 0000000000000003 [ 56.536971][ T420] RBP: ffffc900005afcd8 R08: 000000000000005a R09: 0000000000000003 [ 56.536975][ T420] R10: fffff520000b5f2e R11: 6e6544203a475542 R12: ffff88810d5d19c0 [ 56.539269][ T422] R10: fffff520000e2f2e R11: 6e6544203a475542 R12: ffff88810d5d1d60 [ 56.547225][ T420] R13: ffff88810c2683f8 R14: ffffffff84a74520 R15: ffff888108ef7d18 [ 56.555521][ T422] R13: ffff88810c2693f8 R14: ffffffff84a74520 R15: ffff888109702168 [ 56.563563][ T420] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 56.571600][ T422] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.579764][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.588090][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.596046][ T420] CR2: 0000555555eb2628 CR3: 000000011dc79000 CR4: 00000000003506b0 [ 56.604162][ T422] CR2: 00007ffc42783000 CR3: 0000000104be7000 CR4: 00000000003506a0 [ 56.612151][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.620360][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.629635][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.638915][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.645485][ T420] Call Trace: [ 56.652120][ T422] Call Trace: [ 56.660080][ T420] d_walk+0x115/0x3a0 [ 56.668287][ T422] d_walk+0x115/0x3a0 [ 56.668295][ T422] ? shrink_lock_dentry.part.0+0x220/0x220 [ 56.676258][ T420] ? shrink_lock_dentry.part.0+0x220/0x220 [ 56.676266][ T420] shrink_dcache_for_umount+0x74/0x300 [ 56.684460][ T422] shrink_dcache_for_umount+0x74/0x300 [ 56.692417][ T420] generic_shutdown_super+0x61/0x330 [ 56.700383][ T422] generic_shutdown_super+0x61/0x330 [ 56.703633][ T420] kill_litter_super+0x63/0x90 [ 56.706895][ T422] kill_litter_super+0x63/0x90 [ 56.710928][ T420] deactivate_locked_super+0x8b/0x130 [ 56.714880][ T422] deactivate_locked_super+0x8b/0x130 [ 56.720822][ T420] deactivate_super+0x71/0x80 [ 56.726605][ T422] deactivate_super+0x71/0x80 [ 56.726609][ T422] cleanup_mnt+0x33a/0x4e0 [ 56.726613][ T422] __cleanup_mnt+0xd/0x10 [ 56.726620][ T422] task_work_run+0xc2/0x140 [ 56.732040][ T420] cleanup_mnt+0x33a/0x4e0 [ 56.737585][ T422] exit_to_user_mode_prepare+0xd9/0xe0 [ 56.742924][ T420] __cleanup_mnt+0xd/0x10 [ 56.748362][ T422] syscall_exit_to_user_mode+0x27/0x160 [ 56.753086][ T420] task_work_run+0xc2/0x140 [ 56.757827][ T422] do_syscall_64+0x3f/0x80 [ 56.763184][ T420] exit_to_user_mode_prepare+0xd9/0xe0 [ 56.768550][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.773191][ T420] syscall_exit_to_user_mode+0x27/0x160 [ 56.778034][ T422] RIP: 0033:0x7fd5aa0100d7 [ 56.782413][ T420] do_syscall_64+0x3f/0x80 [ 56.786726][ T422] 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 [ 56.786728][ T422] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 56.791206][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.795597][ T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 56.801017][ T420] RIP: 0033:0x7fd5aa0100d7 [ 56.805308][ T422] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 56.810830][ T420] 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 [ 56.815311][ T422] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 56.819705][ T420] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 56.825253][ T422] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 56.831116][ T420] ORIG_RAX: 00000000000000a6 [ 56.836634][ T422] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 56.836640][ T422] ---[ end trace f9009c1434910575 ]--- [ 56.841021][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 56.845412][ T422] BUG: Dentry ffff888108ef7880{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 56.845437][ T422] ------------[ cut here ]------------ [ 56.865100][ T420] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 56.865103][ T420] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 56.865109][ T420] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 56.873596][ T422] WARNING: CPU: 1 PID: 422 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 56.880499][ T420] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 56.888446][ T422] Modules linked in: [ 56.892830][ T420] ---[ end trace f9009c1434910576 ]--- [ 56.900782][ T422] [ 56.920546][ T420] BUG: Dentry ffff88811f414220{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 56.928516][ T422] CPU: 1 PID: 422 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 56.934739][ T420] ------------[ cut here ]------------ [ 56.942761][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.947419][ T420] WARNING: CPU: 0 PID: 420 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 56.955545][ T422] RIP: 0010:umount_check.cold+0xce/0x137 [ 56.961060][ T420] Modules linked in: [ 56.969012][ T422] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 56.978703][ T420] [ 56.984221][ T422] RSP: 0018:ffffc90000717ca8 EFLAGS: 00010286 [ 56.992173][ T420] CPU: 0 PID: 420 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 57.000120][ T422] [ 57.008075][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.016813][ T422] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.024847][ T420] RIP: 0010:umount_check.cold+0xce/0x137 [ 57.028711][ T422] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000e2f88 [ 57.034583][ T420] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 57.036913][ T422] RBP: ffffc90000717cd8 R08: 0000000000000055 R09: 0000000000000003 [ 57.046633][ T420] RSP: 0018:ffffc900005afca8 EFLAGS: 00010286 [ 57.056497][ T422] R10: fffff520000e2f5d R11: 0000000000000001 R12: ffff88810d5d2840 [ 57.062006][ T420] [ 57.072053][ T422] R13: ffff88810c2693f8 R14: ffffffff84a74520 R15: ffff888108ef78d8 [ 57.080899][ T420] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.086593][ T422] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 57.090534][ T420] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000b5f88 [ 57.090539][ T420] RBP: ffffc900005afcd8 R08: 0000000000000055 R09: 0000000000000003 [ 57.111134][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.113454][ T420] R10: fffff520000b5f2e R11: 323030203a505352 R12: ffff88810d5d0ee0 [ 57.119845][ T422] CR2: 00007ffc42783000 CR3: 0000000104be7000 CR4: 00000000003506a0 [ 57.129639][ T420] R13: ffff88810c2683f8 R14: ffffffff84a74520 R15: ffff88811f414278 [ 57.133748][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.144329][ T420] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 57.144551][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.152512][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.158118][ T420] CR2: 0000555555eb2628 CR3: 000000011dc79000 CR4: 00000000003506b0 [ 57.166162][ T422] Call Trace: [ 57.186009][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.193991][ T422] d_walk+0x115/0x3a0 [ 57.200057][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.208371][ T422] ? shrink_lock_dentry.part.0+0x220/0x220 [ 57.210671][ T420] Call Trace: [ 57.219066][ T422] shrink_dcache_for_umount+0x74/0x300 [ 57.227021][ T420] d_walk+0x115/0x3a0 [ 57.236452][ T422] generic_shutdown_super+0x61/0x330 [ 57.244394][ T420] ? shrink_lock_dentry.part.0+0x220/0x220 [ 57.252437][ T422] kill_litter_super+0x63/0x90 [ 57.258999][ T420] shrink_dcache_for_umount+0x74/0x300 [ 57.267079][ T422] deactivate_locked_super+0x8b/0x130 [ 57.267086][ T422] deactivate_super+0x71/0x80 [ 57.275031][ T420] generic_shutdown_super+0x61/0x330 [ 57.283079][ T422] cleanup_mnt+0x33a/0x4e0 [ 57.291120][ T420] kill_litter_super+0x63/0x90 [ 57.300024][ T422] __cleanup_mnt+0xd/0x10 [ 57.306961][ T420] deactivate_locked_super+0x8b/0x130 [ 57.315015][ T422] task_work_run+0xc2/0x140 [ 57.323291][ T420] deactivate_super+0x71/0x80 [ 57.326563][ T422] exit_to_user_mode_prepare+0xd9/0xe0 [ 57.334526][ T420] cleanup_mnt+0x33a/0x4e0 [ 57.338588][ T422] syscall_exit_to_user_mode+0x27/0x160 [ 57.347066][ T420] __cleanup_mnt+0xd/0x10 [ 57.352895][ T422] do_syscall_64+0x3f/0x80 [ 57.356104][ T420] task_work_run+0xc2/0x140 [ 57.361527][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.365569][ T420] exit_to_user_mode_prepare+0xd9/0xe0 [ 57.370902][ T422] RIP: 0033:0x7fd5aa0100d7 [ 57.376692][ T420] syscall_exit_to_user_mode+0x27/0x160 [ 57.381434][ T422] 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 [ 57.386878][ T420] do_syscall_64+0x3f/0x80 [ 57.392396][ T422] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 57.397782][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.403029][ T422] ORIG_RAX: 00000000000000a6 [ 57.407437][ T420] RIP: 0033:0x7fd5aa0100d7 [ 57.412165][ T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 57.416487][ T420] 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 [ 57.422082][ T422] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 57.426563][ T420] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 57.431292][ T422] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 57.436726][ T420] ORIG_RAX: 00000000000000a6 [ 57.441106][ T422] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 57.446642][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 57.451196][ T422] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 57.455587][ T420] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 57.460056][ T422] ---[ end trace f9009c1434910577 ]--- [ 57.465928][ T420] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 57.477153][ T425] BUG: Dentry ffff888108ef7440{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 57.481266][ T420] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 57.501237][ T425] ------------[ cut here ]------------ [ 57.505631][ T420] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 57.512125][ T425] WARNING: CPU: 1 PID: 425 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 57.518545][ T420] ---[ end trace f9009c1434910578 ]--- [ 57.523189][ T425] Modules linked in: [ 57.527805][ T424] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 57.536060][ T425] [ 57.567714][ T420] BUG: Dentry ffff888108ef7cc0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 57.570292][ T425] CPU: 1 PID: 425 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 57.578388][ T420] ------------[ cut here ]------------ [ 57.583265][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.591341][ T420] WARNING: CPU: 0 PID: 420 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 57.599487][ T425] RIP: 0010:umount_check.cold+0xce/0x137 [ 57.607520][ T420] Modules linked in: [ 57.615587][ T425] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 57.620994][ T420] [ 57.628954][ T425] RSP: 0018:ffffc900007b7ca8 EFLAGS: 00010286 [ 57.639433][ T420] CPU: 0 PID: 420 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 57.647771][ T425] [ 57.653294][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.661253][ T425] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 57.669904][ T420] RIP: 0010:umount_check.cold+0xce/0x137 [ 57.675328][ T425] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000f6f88 [ 57.679322][ T420] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 57.689671][ T425] RBP: ffffc900007b7cd8 R08: 000000000000005a R09: 0000000000000003 [ 57.691990][ T420] RSP: 0018:ffffc900005afca8 EFLAGS: 00010286 [ 57.702135][ T425] R10: fffff520000f6f2e R11: 0000000065646f43 R12: ffff88810d5d0400 [ 57.712272][ T420] [ 57.717802][ T425] R13: ffff88810c26a3f8 R14: ffffffff84a74520 R15: ffff888108ef7498 [ 57.717805][ T425] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 57.717810][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.727939][ T420] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 57.736579][ T425] CR2: 00007ffc42783000 CR3: 000000010bf7c000 CR4: 00000000003506a0 [ 57.742258][ T420] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000b5f88 [ 57.742263][ T420] RBP: ffffc900005afcd8 R08: 000000000000005a R09: 0000000000000003 [ 57.746155][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.766541][ T420] R10: fffff520000b5f2e R11: 3030303030302052 R12: ffff88810d5d19c0 [ 57.768952][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.775173][ T420] R13: ffff88810c2683f8 R14: ffffffff84a74520 R15: ffff888108ef7d18 [ 57.785125][ T425] Call Trace: [ 57.787544][ T420] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 57.797765][ T425] d_walk+0x115/0x3a0 [ 57.806060][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.811835][ T425] ? shrink_lock_dentry.part.0+0x220/0x220 [ 57.819792][ T420] CR2: 00007ffc42783000 CR3: 000000011dc79000 CR4: 00000000003506b0 [ 57.839792][ T425] shrink_dcache_for_umount+0x74/0x300 [ 57.847877][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.853913][ T425] generic_shutdown_super+0x61/0x330 [ 57.861864][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.864161][ T425] kill_litter_super+0x63/0x90 [ 57.864167][ T425] deactivate_locked_super+0x8b/0x130 [ 57.872250][ T420] Call Trace: [ 57.881575][ T425] deactivate_super+0x71/0x80 [ 57.888143][ T420] d_walk+0x115/0x3a0 [ 57.896102][ T425] cleanup_mnt+0x33a/0x4e0 [ 57.904042][ T420] ? shrink_lock_dentry.part.0+0x220/0x220 [ 57.912190][ T425] __cleanup_mnt+0xd/0x10 [ 57.920314][ T420] shrink_dcache_for_umount+0x74/0x300 [ 57.928272][ T425] task_work_run+0xc2/0x140 [ 57.936483][ T420] generic_shutdown_super+0x61/0x330 [ 57.944429][ T425] exit_to_user_mode_prepare+0xd9/0xe0 [ 57.952477][ T420] kill_litter_super+0x63/0x90 [ 57.955765][ T425] syscall_exit_to_user_mode+0x27/0x160 [ 57.965091][ T420] deactivate_locked_super+0x8b/0x130 [ 57.969135][ T425] do_syscall_64+0x3f/0x80 [ 57.975880][ T420] deactivate_super+0x71/0x80 [ 57.975885][ T420] cleanup_mnt+0x33a/0x4e0 [ 57.975889][ T420] __cleanup_mnt+0xd/0x10 [ 57.975893][ T420] task_work_run+0xc2/0x140 [ 57.975900][ T420] exit_to_user_mode_prepare+0xd9/0xe0 [ 57.981850][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.989986][ T420] syscall_exit_to_user_mode+0x27/0x160 [ 57.995682][ T425] RIP: 0033:0x7fd5aa0100d7 [ 58.003711][ T420] do_syscall_64+0x3f/0x80 [ 58.009072][ T425] 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 [ 58.017037][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.021764][ T425] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 58.027226][ T420] RIP: 0033:0x7fd5aa0100d7 [ 58.030566][ T425] ORIG_RAX: 00000000000000a6 [ 58.035315][ T420] 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 [ 58.039278][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 58.043774][ T420] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 58.049554][ T425] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 58.054023][ T420] ORIG_RAX: 00000000000000a6 [ 58.059490][ T425] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 58.063956][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 58.069300][ T425] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 58.074814][ T420] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 58.079566][ T425] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 58.079573][ T425] ---[ end trace f9009c1434910579 ]--- [ 58.079581][ T425] BUG: Dentry ffff888108ef7dd0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 58.079605][ T425] ------------[ cut here ]------------ [ 58.085290][ T420] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 58.090732][ T425] WARNING: CPU: 1 PID: 425 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 58.095107][ T420] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 58.099775][ T425] Modules linked in: [ 58.104159][ T420] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 58.104165][ T420] ---[ end trace f9009c143491057a ]--- [ 58.108567][ T425] [ 58.108572][ T425] CPU: 1 PID: 425 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 58.108574][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.108581][ T425] RIP: 0010:umount_check.cold+0xce/0x137 [ 58.113058][ T420] BUG: Dentry ffff88811f414220{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 58.118520][ T425] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 58.124745][ T420] ------------[ cut here ]------------ [ 58.130339][ T425] RSP: 0018:ffffc900007b7ca8 EFLAGS: 00010286 [ 58.134726][ T420] WARNING: CPU: 0 PID: 420 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 58.139172][ T425] [ 58.158969][ T420] Modules linked in: [ 58.165038][ T425] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.171108][ T420] [ 58.175585][ T425] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000f6f88 [ 58.180334][ T420] CPU: 0 PID: 420 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 58.200566][ T425] RBP: ffffc900007b7cd8 R08: 0000000000000055 R09: 0000000000000003 [ 58.200569][ T425] R10: fffff520000f6f5d R11: 0000000000000001 R12: ffff88810d5d07a0 [ 58.200571][ T425] R13: ffff88810c26a3f8 R14: ffffffff84a74520 R15: ffff888108ef7e28 [ 58.200574][ T425] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 58.200580][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.200583][ T425] CR2: 00007ffc42783000 CR3: 000000010bf7c000 CR4: 00000000003506a0 [ 58.200591][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.208621][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.215238][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.227291][ T420] RIP: 0010:umount_check.cold+0xce/0x137 [ 58.227299][ T420] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 58.231944][ T425] Call Trace: [ 58.240011][ T420] RSP: 0018:ffffc900005afca8 EFLAGS: 00010286 [ 58.248238][ T425] d_walk+0x115/0x3a0 [ 58.256291][ T420] [ 58.256294][ T420] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.256296][ T420] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000b5f88 [ 58.256298][ T420] RBP: ffffc900005afcd8 R08: 0000000000000055 R09: 0000000000000003 [ 58.256300][ T420] R10: fffff520000b5f2e R11: 535f7972746e6520 R12: ffff88810d5d0ee0 [ 58.256302][ T420] R13: ffff88810c2683f8 R14: ffffffff84a74520 R15: ffff88811f414278 [ 58.256305][ T420] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 58.256310][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.256312][ T420] CR2: 00007ffc42783000 CR3: 000000011dc79000 CR4: 00000000003506b0 [ 58.256323][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.264292][ T425] ? shrink_lock_dentry.part.0+0x220/0x220 [ 58.272579][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.278275][ T425] shrink_dcache_for_umount+0x74/0x300 [ 58.288157][ T420] Call Trace: [ 58.293939][ T425] generic_shutdown_super+0x61/0x330 [ 58.302327][ T420] d_walk+0x115/0x3a0 [ 58.311149][ T425] kill_litter_super+0x63/0x90 [ 58.319230][ T420] ? shrink_lock_dentry.part.0+0x220/0x220 [ 58.323069][ T425] deactivate_locked_super+0x8b/0x130 [ 58.331020][ T420] shrink_dcache_for_umount+0x74/0x300 [ 58.336544][ T425] deactivate_super+0x71/0x80 [ 58.338841][ T420] generic_shutdown_super+0x61/0x330 [ 58.349427][ T425] cleanup_mnt+0x33a/0x4e0 [ 58.359488][ T420] kill_litter_super+0x63/0x90 [ 58.365270][ T425] __cleanup_mnt+0xd/0x10 [ 58.375071][ T420] deactivate_locked_super+0x8b/0x130 [ 58.394771][ T425] task_work_run+0xc2/0x140 [ 58.400193][ T420] deactivate_super+0x71/0x80 [ 58.406330][ T425] exit_to_user_mode_prepare+0xd9/0xe0 [ 58.406335][ T425] syscall_exit_to_user_mode+0x27/0x160 [ 58.406338][ T425] do_syscall_64+0x3f/0x80 [ 58.406345][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.414982][ T420] cleanup_mnt+0x33a/0x4e0 [ 58.417556][ T425] RIP: 0033:0x7fd5aa0100d7 [ 58.421466][ T420] __cleanup_mnt+0xd/0x10 [ 58.429414][ T425] 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 [ 58.431774][ T420] task_work_run+0xc2/0x140 [ 58.439725][ T425] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 58.439731][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 58.439733][ T425] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 58.439735][ T425] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 58.439737][ T425] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 58.439739][ T425] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 58.439744][ T425] ---[ end trace f9009c143491057b ]--- [ 58.843541][ T420] exit_to_user_mode_prepare+0xd9/0xe0 [ 58.849066][ T420] syscall_exit_to_user_mode+0x27/0x160 [ 58.854581][ T420] do_syscall_64+0x3f/0x80 [ 58.859060][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.865012][ T420] RIP: 0033:0x7fd5aa0100d7 [ 58.869489][ T420] 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 [ 58.889712][ T420] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 58.898208][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 58.906339][ T420] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 58.914371][ T420] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 58.922541][ T420] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 58.930753][ T420] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 58.939094][ T420] ---[ end trace f9009c143491057c ]--- [ 58.944560][ T425] BUG: Dentry ffff888108ef7440{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 58.955189][ T425] ------------[ cut here ]------------ [ 58.960710][ T425] WARNING: CPU: 1 PID: 425 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 58.969452][ T425] Modules linked in: [ 58.973500][ T425] CPU: 1 PID: 425 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 58.984032][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.994113][ T425] RIP: 0010:umount_check.cold+0xce/0x137 [ 58.999746][ T425] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 59.019554][ T425] RSP: 0018:ffffc900007b7ca8 EFLAGS: 00010286 [ 59.025595][ T425] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 59.033633][ T425] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff520000f6f88 [ 59.041952][ T425] RBP: ffffc900007b7cd8 R08: 000000000000005a R09: ffffc900007b78cf [ 59.049916][ T425] R10: fffff520000f6f19 R11: 0000000000000001 R12: ffff88810d5d0400 [ 59.057872][ T425] R13: ffff88810c26a3f8 R14: ffffffff84a74520 R15: ffff888108ef7498 [ 59.065905][ T425] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.075063][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.081625][ T425] CR2: 00007ffc42783000 CR3: 000000010bf7c000 CR4: 00000000003506a0 [ 59.090012][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.098155][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.106112][ T425] Call Trace: [ 59.109871][ T425] d_walk+0x115/0x3a0 [ 59.113954][ T425] ? shrink_lock_dentry.part.0+0x220/0x220 [ 59.119758][ T425] shrink_dcache_for_umount+0x74/0x300 [ 59.125211][ T425] generic_shutdown_super+0x61/0x330 [ 59.130495][ T425] kill_litter_super+0x63/0x90 [ 59.135428][ T425] deactivate_locked_super+0x8b/0x130 [ 59.140874][ T425] deactivate_super+0x71/0x80 [ 59.145534][ T425] cleanup_mnt+0x33a/0x4e0 [ 59.150093][ T425] __cleanup_mnt+0xd/0x10 [ 59.154386][ T425] task_work_run+0xc2/0x140 [ 59.158967][ T425] exit_to_user_mode_prepare+0xd9/0xe0 [ 59.164488][ T425] syscall_exit_to_user_mode+0x27/0x160 [ 59.170113][ T425] do_syscall_64+0x3f/0x80 [ 59.174494][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.180373][ T425] RIP: 0033:0x7fd5aa0100d7 [ 59.184777][ T425] 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 [ 59.204683][ T425] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 59.213271][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 59.221246][ T425] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 59.229227][ T425] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 59.237405][ T425] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 59.245627][ T425] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 59.253628][ T425] ---[ end trace f9009c143491057d ]--- [ 59.259160][ T425] BUG: Dentry ffff888108ef7dd0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 59.268926][ T425] ------------[ cut here ]------------ [ 59.274555][ T425] WARNING: CPU: 1 PID: 425 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 59.283237][ T425] Modules linked in: [ 59.287227][ T425] CPU: 1 PID: 425 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 59.297176][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.307554][ T425] RIP: 0010:umount_check.cold+0xce/0x137 [ 59.313156][ T425] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 59.332950][ T425] RSP: 0018:ffffc900007b7ca8 EFLAGS: 00010286 [ 59.339276][ T425] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.347429][ T425] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff520000f6f88 [ 59.355823][ T425] RBP: ffffc900007b7cd8 R08: 0000000000000055 R09: ffffc900007b78cf [ 59.363857][ T425] R10: fffff520000f6f19 R11: 0000000000000001 R12: ffff88810d5d07a0 [ 59.372595][ T425] R13: ffff88810c26a3f8 R14: ffffffff84a74520 R15: ffff888108ef7e28 [ 59.380647][ T425] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.389606][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.396279][ T425] CR2: 00007ffc42783000 CR3: 000000010bf7c000 CR4: 00000000003506a0 [ 59.404402][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.412603][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.420625][ T425] Call Trace: [ 59.423884][ T425] d_walk+0x115/0x3a0 [ 59.427855][ T425] ? shrink_lock_dentry.part.0+0x220/0x220 [ 59.433805][ T425] shrink_dcache_for_umount+0x74/0x300 [ 59.439249][ T425] generic_shutdown_super+0x61/0x330 [ 59.444515][ T425] kill_litter_super+0x63/0x90 [ 59.449268][ T425] deactivate_locked_super+0x8b/0x130 [ 59.454695][ T425] deactivate_super+0x71/0x80 [ 59.459353][ T425] cleanup_mnt+0x33a/0x4e0 [ 59.463739][ T425] __cleanup_mnt+0xd/0x10 [ 59.468142][ T425] task_work_run+0xc2/0x140 [ 59.472723][ T425] exit_to_user_mode_prepare+0xd9/0xe0 [ 59.478160][ T425] syscall_exit_to_user_mode+0x27/0x160 [ 59.483768][ T425] do_syscall_64+0x3f/0x80 [ 59.488173][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.494423][ T425] RIP: 0033:0x7fd5aa0100d7 [ 59.498929][ T425] 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 [ 59.518529][ T425] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 59.527016][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 59.534966][ T425] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 59.542951][ T425] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 59.551002][ T425] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 59.558958][ T425] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 59.566921][ T425] ---[ end trace f9009c143491057e ]--- [ 59.572807][ T420] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 59.585018][ T436] incfs: ino conflict with backing FS 2 [ 59.590912][ T437] incfs: ino conflict with backing FS 2 [ 59.597118][ T421] BUG: Dentry ffff88811a795110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 59.602447][ T438] incfs: ino conflict with backing FS 2 [ 59.607546][ T421] ------------[ cut here ]------------ [ 59.615543][ T422] BUG: Dentry ffff888109702110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 59.618525][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 59.618527][ T421] Modules linked in: [ 59.618536][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 59.618539][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.618544][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 59.618549][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 59.618552][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 59.618556][ T421] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 59.618558][ T421] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000b3f88 [ 59.618564][ T421] RBP: ffffc9000059fcd8 R08: 000000000000005a R09: 0000000000000003 [ 59.628865][ T422] ------------[ cut here ]------------ [ 59.637634][ T421] R10: fffff520000b3f2e R11: 6e6544203a475542 R12: ffff88810d297320 [ 59.637636][ T421] R13: ffff88810b3533f8 R14: ffffffff84a74520 R15: ffff88811a795168 [ 59.637639][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.637644][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.637647][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 59.637649][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.637652][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.637654][ T421] Call Trace: [ 59.637663][ T421] d_walk+0x115/0x3a0 [ 59.637668][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 59.637673][ T421] shrink_dcache_for_umount+0x74/0x300 [ 59.637679][ T421] generic_shutdown_super+0x61/0x330 [ 59.637683][ T421] kill_litter_super+0x63/0x90 [ 59.637686][ T421] deactivate_locked_super+0x8b/0x130 [ 59.637693][ T421] deactivate_super+0x71/0x80 [ 59.641562][ T422] WARNING: CPU: 0 PID: 422 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 59.651507][ T421] cleanup_mnt+0x33a/0x4e0 [ 59.651512][ T421] __cleanup_mnt+0xd/0x10 [ 59.651517][ T421] task_work_run+0xc2/0x140 [ 59.651522][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 59.651529][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 59.661764][ T422] Modules linked in: [ 59.667402][ T421] do_syscall_64+0x3f/0x80 [ 59.687496][ T422] [ 59.694325][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.702382][ T422] CPU: 0 PID: 422 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 59.710505][ T421] RIP: 0033:0x7fd5aa0100d7 [ 59.718470][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.723897][ T421] 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 [ 59.731940][ T422] RIP: 0010:umount_check.cold+0xce/0x137 [ 59.731944][ T422] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 59.731946][ T422] RSP: 0018:ffffc90000717ca8 EFLAGS: 00010286 [ 59.731950][ T422] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 59.731952][ T422] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000e2f88 [ 59.731954][ T422] RBP: ffffc90000717cd8 R08: 000000000000005a R09: 0000000000000003 [ 59.731956][ T422] R10: fffff520000e2f2e R11: 6e6544203a475542 R12: ffff88810d5d1d60 [ 59.731959][ T422] R13: ffff88810c2693f8 R14: ffffffff84a74520 R15: ffff888109702168 [ 59.731962][ T422] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 59.731969][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.739932][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 59.749013][ T422] CR2: 0000555555eb2628 CR3: 0000000104be7000 CR4: 00000000003506b0 [ 59.755585][ T421] ORIG_RAX: 00000000000000a6 [ 59.755590][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 59.763534][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.771493][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 59.779717][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.782972][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 59.786939][ T422] Call Trace: [ 59.792791][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 59.798378][ T422] d_walk+0x115/0x3a0 [ 59.798384][ T422] ? shrink_lock_dentry.part.0+0x220/0x220 [ 59.803891][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 59.803896][ T421] ---[ end trace f9009c143491057f ]--- [ 59.808647][ T422] shrink_dcache_for_umount+0x74/0x300 [ 59.813982][ T421] BUG: Dentry ffff88811a795330{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 59.818659][ T422] generic_shutdown_super+0x61/0x330 [ 59.818665][ T422] kill_litter_super+0x63/0x90 [ 59.827419][ T421] ------------[ cut here ]------------ [ 59.831792][ T422] deactivate_locked_super+0x8b/0x130 [ 59.836211][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 59.840682][ T422] deactivate_super+0x71/0x80 [ 59.846226][ T421] Modules linked in: [ 59.851824][ T422] cleanup_mnt+0x33a/0x4e0 [ 59.855693][ T421] [ 59.860185][ T422] __cleanup_mnt+0xd/0x10 [ 59.862490][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 59.868531][ T422] task_work_run+0xc2/0x140 [ 59.878568][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.883139][ T422] exit_to_user_mode_prepare+0xd9/0xe0 [ 59.893362][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 59.913233][ T422] syscall_exit_to_user_mode+0x27/0x160 [ 59.918915][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 59.939385][ T422] do_syscall_64+0x3f/0x80 [ 59.945510][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 59.953473][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.961535][ T421] [ 59.970029][ T422] RIP: 0033:0x7fd5aa0100d7 [ 59.978066][ T421] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.986283][ T422] 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 [ 59.995356][ T421] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000b3f88 [ 60.001918][ T422] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 60.010351][ T421] RBP: ffffc9000059fcd8 R08: 0000000000000055 R09: 0000000000000003 [ 60.018441][ T422] ORIG_RAX: 00000000000000a6 [ 60.023100][ T421] R10: fffff520000b3f2e R11: 3a474e494e524157 R12: ffff88810d295d60 [ 60.031488][ T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 60.031490][ T422] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 60.031492][ T422] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 60.031494][ T422] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 60.031496][ T422] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 60.031502][ T422] ---[ end trace f9009c1434910580 ]--- [ 60.041884][ T421] R13: ffff88810b3533f8 R14: ffffffff84a74520 R15: ffff88811a795388 [ 60.050010][ T422] BUG: Dentry ffff888108ef7880{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 60.057961][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 60.066016][ T422] ------------[ cut here ]------------ [ 60.069381][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.077558][ T422] WARNING: CPU: 0 PID: 422 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 60.081604][ T421] CR2: 0000555555eb2628 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 60.087498][ T422] Modules linked in: [ 60.095704][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.101129][ T422] [ 60.107083][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.107087][ T421] Call Trace: [ 60.116909][ T422] CPU: 0 PID: 422 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 60.122270][ T421] d_walk+0x115/0x3a0 [ 60.127280][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.132882][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 60.138259][ T422] RIP: 0010:umount_check.cold+0xce/0x137 [ 60.146946][ T421] shrink_dcache_for_umount+0x74/0x300 [ 60.146956][ T421] generic_shutdown_super+0x61/0x330 [ 60.151641][ T422] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 60.155516][ T421] kill_litter_super+0x63/0x90 [ 60.160085][ T422] RSP: 0018:ffffc90000717ca8 EFLAGS: 00010286 [ 60.162387][ T421] deactivate_locked_super+0x8b/0x130 [ 60.166692][ T422] [ 60.176575][ T421] deactivate_super+0x71/0x80 [ 60.181064][ T422] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.181076][ T422] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000e2f88 [ 60.191184][ T421] cleanup_mnt+0x33a/0x4e0 [ 60.196704][ T422] RBP: ffffc90000717cd8 R08: 0000000000000055 R09: 0000000000000003 [ 60.202335][ T421] __cleanup_mnt+0xd/0x10 [ 60.207883][ T422] R10: fffff520000e2f2e R11: 3030303030302052 R12: ffff88810d5d2840 [ 60.228169][ T421] task_work_run+0xc2/0x140 [ 60.232549][ T422] R13: ffff88810c2693f8 R14: ffffffff84a74520 R15: ffff888108ef78d8 [ 60.238609][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 60.244449][ T422] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 60.246778][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 60.251157][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.259109][ T421] do_syscall_64+0x3f/0x80 [ 60.259117][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.278713][ T422] CR2: 0000555555eb2628 CR3: 0000000104be7000 CR4: 00000000003506b0 [ 60.286919][ T421] RIP: 0033:0x7fd5aa0100d7 [ 60.292950][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.301085][ T421] 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 [ 60.305741][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.313767][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 60.321809][ T422] Call Trace: [ 60.329875][ T421] ORIG_RAX: 00000000000000a6 [ 60.337952][ T422] d_walk+0x115/0x3a0 [ 60.345981][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 60.354272][ T422] ? shrink_lock_dentry.part.0+0x220/0x220 [ 60.359801][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 60.367754][ T422] shrink_dcache_for_umount+0x74/0x300 [ 60.377527][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 60.386958][ T422] generic_shutdown_super+0x61/0x330 [ 60.386964][ T422] kill_litter_super+0x63/0x90 [ 60.392401][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 60.398986][ T422] deactivate_locked_super+0x8b/0x130 [ 60.407879][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 60.416175][ T422] deactivate_super+0x71/0x80 [ 60.416182][ T422] cleanup_mnt+0x33a/0x4e0 [ 60.420049][ T421] ---[ end trace f9009c1434910581 ]--- [ 60.428107][ T422] __cleanup_mnt+0xd/0x10 [ 60.779118][ T422] task_work_run+0xc2/0x140 [ 60.783680][ T422] exit_to_user_mode_prepare+0xd9/0xe0 [ 60.789118][ T422] syscall_exit_to_user_mode+0x27/0x160 [ 60.794735][ T422] do_syscall_64+0x3f/0x80 [ 60.799148][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.805004][ T422] RIP: 0033:0x7fd5aa0100d7 [ 60.809411][ T422] 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 [ 60.829087][ T422] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 60.837566][ T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 60.845623][ T422] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 60.853566][ T422] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 60.861684][ T422] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 60.869726][ T422] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000001 [ 60.877859][ T422] ---[ end trace f9009c1434910582 ]--- [ 60.884464][ T421] BUG: Dentry ffff88811a795110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 60.890494][ T23] audit: type=1400 audit(1644541834.229:153): avc: denied { remove_name } for pid=143 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 [ 60.894700][ T421] ------------[ cut here ]------------ [ 60.917720][ T422] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 60.922770][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 60.941592][ T421] Modules linked in: [ 60.945572][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 60.955448][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.965828][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 60.971503][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 60.991480][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 60.997530][ T421] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 61.005594][ T421] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000b3f88 [ 61.013634][ T421] RBP: ffffc9000059fcd8 R08: 000000000000005a R09: 0000000000000003 [ 61.021966][ T421] R10: fffff520000b3f2e R11: 6e6544203a475542 R12: ffff88810d297320 [ 61.030198][ T421] R13: ffff88810b3533f8 R14: ffffffff84a74520 R15: ffff88811a795168 [ 61.038165][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 61.047180][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.053829][ T421] CR2: 00007fd5aa083290 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 61.061929][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.069886][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.078279][ T421] Call Trace: [ 61.081543][ T421] d_walk+0x115/0x3a0 [ 61.085545][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 61.091322][ T421] shrink_dcache_for_umount+0x74/0x300 [ 61.096772][ T421] generic_shutdown_super+0x61/0x330 [ 61.102305][ T421] kill_litter_super+0x63/0x90 [ 61.107343][ T421] deactivate_locked_super+0x8b/0x130 [ 61.112863][ T421] deactivate_super+0x71/0x80 [ 61.117619][ T421] cleanup_mnt+0x33a/0x4e0 [ 61.122011][ T421] __cleanup_mnt+0xd/0x10 [ 61.126782][ T421] task_work_run+0xc2/0x140 [ 61.131362][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 61.136801][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 61.142396][ T421] do_syscall_64+0x3f/0x80 [ 61.146803][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.152851][ T421] RIP: 0033:0x7fd5aa0100d7 [ 61.157267][ T421] 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 [ 61.177237][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 61.185920][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 61.194039][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 61.202103][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 61.210177][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 61.218143][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 61.226187][ T421] ---[ end trace f9009c1434910583 ]--- [ 61.231823][ T421] BUG: Dentry ffff88811a795330{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 61.242005][ T421] ------------[ cut here ]------------ [ 61.247821][ T421] WARNING: CPU: 1 PID: 421 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 61.256799][ T421] Modules linked in: [ 61.260668][ T421] CPU: 1 PID: 421 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 61.270567][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.281102][ T421] RIP: 0010:umount_check.cold+0xce/0x137 [ 61.286922][ T421] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 61.307116][ T421] RSP: 0018:ffffc9000059fca8 EFLAGS: 00010286 [ 61.313166][ T421] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.321825][ T421] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff520000b3f88 [ 61.331018][ T421] RBP: ffffc9000059fcd8 R08: 0000000000000055 R09: ffffc9000059f8cf [ 61.339335][ T421] R10: fffff520000b3f19 R11: 0000000000000001 R12: ffff88810d295d60 [ 61.347390][ T421] R13: ffff88810b3533f8 R14: ffffffff84a74520 R15: ffff88811a795388 [ 61.355458][ T421] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 61.364479][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.371611][ T421] CR2: 00007fd5aa083290 CR3: 000000010bf7e000 CR4: 00000000003506a0 [ 61.379572][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.387627][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.395682][ T421] Call Trace: [ 61.398968][ T421] d_walk+0x115/0x3a0 [ 61.402913][ T421] ? shrink_lock_dentry.part.0+0x220/0x220 [ 61.408867][ T421] shrink_dcache_for_umount+0x74/0x300 [ 61.414377][ T421] generic_shutdown_super+0x61/0x330 [ 61.419737][ T421] kill_litter_super+0x63/0x90 [ 61.424656][ T421] deactivate_locked_super+0x8b/0x130 [ 61.430361][ T421] deactivate_super+0x71/0x80 [ 61.435186][ T421] cleanup_mnt+0x33a/0x4e0 [ 61.439856][ T421] __cleanup_mnt+0xd/0x10 [ 61.444156][ T421] task_work_run+0xc2/0x140 [ 61.448737][ T421] exit_to_user_mode_prepare+0xd9/0xe0 [ 61.454346][ T421] syscall_exit_to_user_mode+0x27/0x160 [ 61.460104][ T421] do_syscall_64+0x3f/0x80 [ 61.464485][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.470361][ T421] RIP: 0033:0x7fd5aa0100d7 [ 61.474751][ T421] 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 [ 61.494481][ T421] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 61.503429][ T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 61.511702][ T421] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 61.520220][ T421] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 61.528282][ T421] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 61.536331][ T421] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 61.544459][ T421] ---[ end trace f9009c1434910584 ]--- [ 61.550438][ T423] BUG: Dentry ffff88811a799220{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 61.560848][ T423] ------------[ cut here ]------------ [ 61.560871][ T421] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 61.566460][ T423] WARNING: CPU: 0 PID: 423 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 61.566465][ T423] Modules linked in: [ 61.590009][ T423] CPU: 0 PID: 423 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 61.600072][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.610227][ T423] RIP: 0010:umount_check.cold+0xce/0x137 [ 61.615498][ T425] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 61.615964][ T423] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 61.637040][ T440] incfs: ino conflict with backing FS 2 [ 61.646302][ T423] RSP: 0018:ffffc90000727ca8 EFLAGS: 00010286 [ 61.646309][ T423] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 61.646311][ T423] RDX: 0000000000000003 RSI: 0000000000000008 RDI: fffff520000e4f88 [ 61.646317][ T423] RBP: ffffc90000727cd8 R08: 000000000000005a R09: ffffc900007278cf [ 61.646324][ T423] R10: fffff520000e4f19 R11: 0000000000000001 R12: ffff88810c4736c0 [ 61.659831][ T442] incfs: ino conflict with backing FS 2 [ 61.666516][ T423] R13: ffff88810b3543f8 R14: ffffffff84a74520 R15: ffff88811a799278 [ 61.666519][ T423] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 61.666529][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.675546][ T441] incfs: ino conflict with backing FS 2 [ 61.682954][ T423] CR2: 0000555555eb2628 CR3: 000000010b3c4000 CR4: 00000000003506b0 [ 61.692252][ T23] audit: type=1400 audit(1644541834.999:154): avc: denied { rename } for pid=143 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 [ 61.697081][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.697084][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.697089][ T423] Call Trace: [ 61.778917][ T423] d_walk+0x115/0x3a0 [ 61.782885][ T423] ? shrink_lock_dentry.part.0+0x220/0x220 [ 61.788704][ T423] shrink_dcache_for_umount+0x74/0x300 [ 61.796892][ T423] generic_shutdown_super+0x61/0x330 [ 61.802156][ T423] kill_litter_super+0x63/0x90 [ 61.807290][ T423] deactivate_locked_super+0x8b/0x130 [ 61.812657][ T423] deactivate_super+0x71/0x80 [ 61.817339][ T423] cleanup_mnt+0x33a/0x4e0 [ 61.821939][ T423] __cleanup_mnt+0xd/0x10 [ 61.826549][ T423] task_work_run+0xc2/0x140 [ 61.831035][ T423] exit_to_user_mode_prepare+0xd9/0xe0 [ 61.836509][ T423] syscall_exit_to_user_mode+0x27/0x160 [ 61.842383][ T423] do_syscall_64+0x3f/0x80 [ 61.846833][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.852711][ T423] RIP: 0033:0x7fd5aa0100d7 [ 61.857126][ T423] 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 [ 61.878487][ T423] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 61.887128][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 61.895090][ T423] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 61.903209][ T423] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 61.911600][ T423] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 61.919714][ T423] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 61.927816][ T423] ---[ end trace f9009c1434910585 ]--- [ 61.933437][ T423] BUG: Dentry ffff88811a799aa0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 61.945069][ T423] ------------[ cut here ]------------ [ 61.950602][ T423] WARNING: CPU: 0 PID: 423 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 61.959302][ T423] Modules linked in: [ 61.963268][ T423] CPU: 0 PID: 423 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 61.973244][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.983424][ T423] RIP: 0010:umount_check.cold+0xce/0x137 [ 61.989673][ T423] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 62.009495][ T423] RSP: 0018:ffffc90000727ca8 EFLAGS: 00010286 [ 62.015565][ T423] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.023777][ T423] RDX: 0000000000000003 RSI: 0000000000000008 RDI: fffff520000e4f88 [ 62.031844][ T423] RBP: ffffc90000727cd8 R08: 0000000000000055 R09: ffffc900007278cf [ 62.039820][ T423] R10: fffff520000e4f19 R11: 0000000000000001 R12: ffff88810d296100 [ 62.047993][ T423] R13: ffff88810b3543f8 R14: ffffffff84a74520 R15: ffff88811a799af8 [ 62.056153][ T423] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 62.065148][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.071918][ T423] CR2: 0000555555eb2628 CR3: 000000010b3c4000 CR4: 00000000003506b0 [ 62.080068][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.088129][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.096099][ T423] Call Trace: [ 62.099392][ T423] d_walk+0x115/0x3a0 [ 62.103443][ T423] ? shrink_lock_dentry.part.0+0x220/0x220 [ 62.109335][ T423] shrink_dcache_for_umount+0x74/0x300 [ 62.114779][ T423] generic_shutdown_super+0x61/0x330 [ 62.120157][ T423] kill_litter_super+0x63/0x90 [ 62.125022][ T423] deactivate_locked_super+0x8b/0x130 [ 62.130503][ T423] deactivate_super+0x71/0x80 [ 62.135705][ T423] cleanup_mnt+0x33a/0x4e0 [ 62.140304][ T423] __cleanup_mnt+0xd/0x10 [ 62.144810][ T423] task_work_run+0xc2/0x140 [ 62.149385][ T423] exit_to_user_mode_prepare+0xd9/0xe0 [ 62.155126][ T423] syscall_exit_to_user_mode+0x27/0x160 [ 62.160781][ T423] do_syscall_64+0x3f/0x80 [ 62.165520][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.171492][ T423] RIP: 0033:0x7fd5aa0100d7 [ 62.175900][ T423] 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 [ 62.195771][ T423] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 62.204247][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 62.212344][ T423] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 62.220317][ T423] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 62.228300][ T423] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 62.236277][ T423] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 62.244225][ T423] ---[ end trace f9009c1434910586 ]--- [ 62.250014][ T423] BUG: Dentry ffff88811a799220{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 62.250129][ T424] BUG: Dentry ffff88811f41daa0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 62.260282][ T423] ------------[ cut here ]------------ [ 62.270717][ T424] ------------[ cut here ]------------ [ 62.276595][ T423] WARNING: CPU: 0 PID: 423 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 62.282011][ T424] WARNING: CPU: 1 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 62.290776][ T423] Modules linked in: [ 62.299681][ T424] Modules linked in: [ 62.299682][ T423] [ 62.299690][ T423] CPU: 0 PID: 423 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 62.303544][ T424] [ 62.307548][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.309853][ T424] CPU: 1 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 62.319896][ T423] RIP: 0010:umount_check.cold+0xce/0x137 [ 62.322169][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.332397][ T423] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 62.332400][ T423] RSP: 0018:ffffc90000727ca8 EFLAGS: 00010286 [ 62.332405][ T423] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 62.332411][ T423] RDX: 0000000000000004 RSI: ffffffff84c02020 RDI: fffff520000e4f88 [ 62.342367][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 62.348504][ T423] RBP: ffffc90000727cd8 R08: 000000000000005a R09: ffff8881f7253067 [ 62.359081][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 62.379090][ T423] R10: ffffed103ee4a60c R11: 6e6544203a475542 R12: ffff88810c4736c0 [ 62.385136][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 62.393089][ T423] R13: ffff88810b3543f8 R14: ffffffff84a74520 R15: ffff88811a799278 [ 62.393092][ T423] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 62.393097][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.393103][ T423] CR2: 0000555555eb2628 CR3: 000000010b3c4000 CR4: 00000000003506b0 [ 62.401150][ T424] [ 62.406846][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.415334][ T424] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 62.435018][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.443246][ T424] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000e8f88 [ 62.449402][ T423] Call Trace: [ 62.449420][ T423] d_walk+0x115/0x3a0 [ 62.457641][ T424] RBP: ffffc90000747cd8 R08: 000000000000005a R09: 0000000000000003 [ 62.466757][ T423] ? shrink_lock_dentry.part.0+0x220/0x220 [ 62.473302][ T424] R10: fffff520000e8f2e R11: 6e6544203a475542 R12: ffff88810c4776c0 [ 62.481697][ T423] shrink_dcache_for_umount+0x74/0x300 [ 62.483995][ T424] R13: ffff88810b1983f8 R14: ffffffff84a74520 R15: ffff88811f41daf8 [ 62.492735][ T423] generic_shutdown_super+0x61/0x330 [ 62.500864][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 62.508823][ T423] kill_litter_super+0x63/0x90 [ 62.508830][ T423] deactivate_locked_super+0x8b/0x130 [ 62.517130][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.520478][ T423] deactivate_super+0x71/0x80 [ 62.524567][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506a0 [ 62.532738][ T423] cleanup_mnt+0x33a/0x4e0 [ 62.538516][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.546558][ T423] __cleanup_mnt+0xd/0x10 [ 62.551993][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.560068][ T423] task_work_run+0xc2/0x140 [ 62.565553][ T424] Call Trace: [ 62.574750][ T423] exit_to_user_mode_prepare+0xd9/0xe0 [ 62.579705][ T424] d_walk+0x115/0x3a0 [ 62.585861][ T423] syscall_exit_to_user_mode+0x27/0x160 [ 62.592386][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 62.597251][ T423] do_syscall_64+0x3f/0x80 [ 62.605430][ T424] shrink_dcache_for_umount+0x74/0x300 [ 62.609818][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.618291][ T424] generic_shutdown_super+0x61/0x330 [ 62.618300][ T424] kill_litter_super+0x63/0x90 [ 62.623141][ T423] RIP: 0033:0x7fd5aa0100d7 [ 62.631399][ T424] deactivate_locked_super+0x8b/0x130 [ 62.635896][ T423] 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 [ 62.639411][ T424] deactivate_super+0x71/0x80 [ 62.644937][ T423] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 62.648915][ T424] cleanup_mnt+0x33a/0x4e0 [ 62.654495][ T423] ORIG_RAX: 00000000000000a6 [ 62.661950][ T424] __cleanup_mnt+0xd/0x10 [ 62.666336][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 62.671761][ T424] task_work_run+0xc2/0x140 [ 62.677662][ T423] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 62.682896][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 62.687630][ T423] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 62.692024][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 62.697375][ T423] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 62.717703][ T424] do_syscall_64+0x3f/0x80 [ 62.722387][ T423] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 62.722393][ T423] ---[ end trace f9009c1434910587 ]--- [ 62.728451][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.732833][ T423] BUG: Dentry ffff88811a799aa0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 62.737481][ T424] RIP: 0033:0x7fd5aa0100d7 [ 62.741790][ T423] ------------[ cut here ]------------ [ 62.749729][ T424] 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 [ 62.754200][ T423] WARNING: CPU: 0 PID: 423 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 62.762336][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 62.767850][ T423] Modules linked in: [ 62.767860][ T423] CPU: 0 PID: 423 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 62.775965][ T424] ORIG_RAX: 00000000000000a6 [ 62.781559][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.789510][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 62.793985][ T423] RIP: 0010:umount_check.cold+0xce/0x137 [ 62.802022][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 62.807546][ T423] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 62.807548][ T423] RSP: 0018:ffffc90000727ca8 EFLAGS: 00010286 [ 62.807553][ T423] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.807555][ T423] RDX: 0000000000000004 RSI: 0000000000000004 RDI: fffff520000e4f88 [ 62.807557][ T423] RBP: ffffc90000727cd8 R08: 0000000000000055 R09: 0000000000000003 [ 62.807559][ T423] R10: fffff520000e4f2e R11: 6e61656c635f5f20 R12: ffff88810d296100 [ 62.807561][ T423] R13: ffff88810b3543f8 R14: ffffffff84a74520 R15: ffff88811a799af8 [ 62.807567][ T423] FS: 0000555555ea9300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 62.813430][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 62.823555][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.827974][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 62.833512][ T423] CR2: 0000555555eb2628 CR3: 000000010b3c4000 CR4: 00000000003506b0 [ 62.853334][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 62.862061][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.868363][ T424] ---[ end trace f9009c1434910588 ]--- [ 62.872265][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.882048][ T424] BUG: Dentry ffff88811f41c880{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 62.882072][ T424] ------------[ cut here ]------------ [ 62.886718][ T423] Call Trace: [ 62.896853][ T424] WARNING: CPU: 1 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 62.904918][ T423] d_walk+0x115/0x3a0 [ 62.910712][ T424] Modules linked in: [ 62.919984][ T423] ? shrink_lock_dentry.part.0+0x220/0x220 [ 62.939995][ T424] [ 62.946143][ T423] shrink_dcache_for_umount+0x74/0x300 [ 62.955656][ T424] CPU: 1 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 62.963607][ T423] generic_shutdown_super+0x61/0x330 [ 62.971784][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.979915][ T423] kill_litter_super+0x63/0x90 [ 62.988386][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 62.997658][ T423] deactivate_locked_super+0x8b/0x130 [ 63.005888][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 63.012443][ T423] deactivate_super+0x71/0x80 [ 63.020566][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 63.028711][ T423] cleanup_mnt+0x33a/0x4e0 [ 63.037646][ T424] [ 63.045973][ T423] __cleanup_mnt+0xd/0x10 [ 63.051413][ T424] RAX: 0000000000000055 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.059551][ T423] task_work_run+0xc2/0x140 [ 63.069322][ T424] RDX: 0000000000000003 RSI: 0000000000000004 RDI: fffff520000e8f88 [ 63.074855][ T423] exit_to_user_mode_prepare+0xd9/0xe0 [ 63.078198][ T424] RBP: ffffc90000747cd8 R08: 0000000000000055 R09: 0000000000000003 [ 63.078200][ T424] R10: fffff520000e8f5d R11: 0000000000000001 R12: ffff88810c475280 [ 63.078203][ T424] R13: ffff88810b1983f8 R14: ffffffff84a74520 R15: ffff88811f41c8d8 [ 63.078208][ T424] FS: 0000555555ea9300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 63.087085][ T423] syscall_exit_to_user_mode+0x27/0x160 [ 63.091037][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.094907][ T423] do_syscall_64+0x3f/0x80 [ 63.100703][ T424] CR2: 0000555555eb2628 CR3: 000000011ede6000 CR4: 00000000003506a0 [ 63.103007][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.108442][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.118320][ T423] RIP: 0033:0x7fd5aa0100d7 [ 63.123599][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.134074][ T423] 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 [ 63.140037][ T424] Call Trace: [ 63.145687][ T423] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 [ 63.151053][ T424] d_walk+0x115/0x3a0 [ 63.171658][ T423] ORIG_RAX: 00000000000000a6 [ 63.176360][ T424] ? shrink_lock_dentry.part.0+0x220/0x220 [ 63.182673][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 63.187115][ T424] shrink_dcache_for_umount+0x74/0x300 [ 63.189504][ T423] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 63.194079][ T424] generic_shutdown_super+0x61/0x330 [ 63.202031][ T423] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 63.206522][ T424] kill_litter_super+0x63/0x90 [ 63.214656][ T423] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 63.214661][ T423] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 63.220211][ T424] deactivate_locked_super+0x8b/0x130 [ 63.228164][ T423] ---[ end trace f9009c1434910589 ]--- [ 63.236196][ T424] deactivate_super+0x71/0x80 [ 63.265526][ T423] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 63.267354][ T443] incfs: ino conflict with backing FS 2 [ 63.269950][ T424] cleanup_mnt+0x33a/0x4e0 [ 63.269954][ T424] __cleanup_mnt+0xd/0x10 [ 63.269959][ T424] task_work_run+0xc2/0x140 [ 63.269968][ T424] exit_to_user_mode_prepare+0xd9/0xe0 [ 63.456175][ T424] syscall_exit_to_user_mode+0x27/0x160 [ 63.461699][ T424] do_syscall_64+0x3f/0x80 [ 63.466136][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.472465][ T424] RIP: 0033:0x7fd5aa0100d7 [ 63.476904][ T424] 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 [ 63.496894][ T424] RSP: 002b:00007ffc427810b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 63.505969][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd5aa0100d7 [ 63.514040][ T424] RDX: 00007ffc42781177 RSI: 000000000000000a RDI: 00007ffc42781170 [ 63.522040][ T424] RBP: 00007ffc42781170 R08: 00000000ffffffff R09: 00007ffc42780f50 [ 63.530135][ T424] R10: 0000555555eaa683 R11: 0000000000000206 R12: 00007ffc427821e0 [ 63.538294][ T424] R13: 0000555555eaa5f0 R14: 00007ffc427810e0 R15: 0000000000000002 [ 63.546367][ T424] ---[ end trace f9009c143491058a ]--- [ 63.551891][ T424] BUG: Dentry ffff88811f41daa0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 63.551935][ T422] BUG: Dentry ffff88811a79c660{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 63.562112][ T424] ------------[ cut here ]------------ [ 63.572240][ T422] ------------[ cut here ]------------ [ 63.577677][ T424] WARNING: CPU: 1 PID: 424 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 63.577679][ T424] Modules linked in: [ 63.577688][ T424] CPU: 1 PID: 424 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 63.577693][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.583121][ T422] WARNING: CPU: 0 PID: 422 at fs/dcache.c:1616 umount_check.cold+0xce/0x137 [ 63.591852][ T424] RIP: 0010:umount_check.cold+0xce/0x137 [ 63.595748][ T422] Modules linked in: [ 63.605782][ T424] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 63.605788][ T424] RSP: 0018:ffffc90000747ca8 EFLAGS: 00010286 [ 63.616371][ T422] [ 63.616377][ T422] CPU: 0 PID: 422 Comm: syz-executor879 Tainted: G W 5.10.81-syzkaller #0 [ 63.616379][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.616388][ T422] RIP: 0010:umount_check.cold+0xce/0x137 [ 63.616391][ T422] Code: 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 73 49 8b 54 24 40 41 55 4d 89 f1 41 89 d8 48 89 f1 48 c7 c7 40 31 a9 84 e8 32 16 ff ff <0f> 0b 58 e9 5d e7 93 fd 48 89 75 d8 e8 c8 00 88 fd 48 8b 75 d8 e9 [ 63.616394][ T422] RSP: 0018:ffffc90000717ca8 EFLAGS: 00010286 [ 63.616401][ T422] RAX: 000000000000005a RBX: 0000000000000001 RCX: 0000000000000000 [ 63.625412][ T424]