| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/01/07 | linux-6.1.y (ToT) | 7dc732d24ff7 | C | [report] BUG: Dentry still in use in unmount |
| 2025/01/07 | upstream (ToT) | fbfd64d25c7a | C | Didn't crash |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/01/07 | linux-6.1.y (ToT) | 7dc732d24ff7 | C | [report] BUG: Dentry still in use in unmount |
| 2025/01/07 | upstream (ToT) | fbfd64d25c7a | C | Didn't crash |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | BUG: Dentry still in use in unmount f2fs | C | done | 58 | 417d | 894d | 25/28 | fixed on 2024/01/20 21:18 | |
| android-5-10 | BUG: Dentry still in use [unmount of ext4 loop0] | C | error | 63 | 1162d | 1201d | 0/2 | closed as dup on 2021/10/28 13:08 | |
| upstream | BUG: Dentry still in use in unmount (2) fs | 1 | 56d | 52d | 0/28 | moderation: reported on 2024/12/16 01:50 | |||
| android-5-10 | BUG: Dentry still in use in unmount | C | done | 1184 | 1078d | 1091d | 2/2 | fixed on 2022/02/25 03:20 | |
| android-54 | BUG: Dentry still in use [unmount of ramfs ramfs] | C | 476 | 1097d | 1419d | 0/2 | auto-obsoleted due to no activity on 2023/04/21 02:49 |
gfs2: fsid=syz:syz.0: first mount done, others may mount
BUG: Dentry 00000000868f9618{i=925,n=/} still in use (5) [unmount of gfs2 loop0]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4291 at fs/dcache.c:1681 umount_check+0x180/0x1bc fs/dcache.c:1672
Modules linked in:
CPU: 0 PID: 4291 Comm: syz-executor371 Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0x180/0x1bc fs/dcache.c:1672
lr : umount_check+0x180/0x1bc fs/dcache.c:1672
sp : ffff800021587760
x29: ffff800021587760 x28: ffff7000042b0f48 x27: ffff0000df4c6a48
x26: ffff800021587a40 x25: dfff800000000000 x24: ffff0000da2fe000
x23: dfff800000000000 x22: ffff8000161c2440 x21: 0000000000000005
x20: 0000000000000925 x19: ffff0000df4c6a48 x18: ffff800021586cc0
x17: 756f6d6e755b2029 x16: ffff80001232d384 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9e0395660b568c00
x8 : 9e0395660b568c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021587078 x4 : ffff800015b731c0 x3 : ffff8000085869b0
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000051
Call trace:
umount_check+0x180/0x1bc fs/dcache.c:1672
d_walk+0x6c/0x660 fs/dcache.c:1367
do_one_tree+0x44/0xfc fs/dcache.c:1688
shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1704
generic_shutdown_super+0x68/0x328 fs/super.c:473
kill_block_super+0x70/0xdc fs/super.c:1470
gfs2_kill_sb+0xc0/0xd4
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
gfs2_thaw_super+0x18c/0x25c fs/gfs2/super.c:828
do_vfs_ioctl+0x1024/0x26f8
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 96078
hardirqs last enabled at (96077): [<ffff80000833f25c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (96078): [<ffff800012329064>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (95770): [<ffff800008030408>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (95768): [<ffff8000080303d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
BUG: Dentry 00000000868f9618{i=925,n=/} still in use (5) [unmount of gfs2 loop0]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4291 at fs/dcache.c:1681 umount_check+0x180/0x1bc fs/dcache.c:1672
Modules linked in:
CPU: 0 PID: 4291 Comm: syz-executor371 Tainted: G W 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0x180/0x1bc fs/dcache.c:1672
lr : umount_check+0x180/0x1bc fs/dcache.c:1672
sp : ffff800021587760
x29: ffff800021587760 x28: ffff0000df4c6b60 x27: ffff0000df4c6a48
x26: ffff0000df4c6a48 x25: dfff800000000000 x24: ffff0000da2fe000
x23: dfff800000000000 x22: ffff8000161c2440 x21: 0000000000000005
x20: 0000000000000925 x19: ffff0000df4c6a48 x18: ffff800021586cc0
x17: 756f6d6e755b2029 x16: ffff80001227ac80 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9e0395660b568c00
x8 : 9e0395660b568c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021587078 x4 : ffff800015b731c0 x3 : ffff800008349ebc
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000051
Call trace:
umount_check+0x180/0x1bc fs/dcache.c:1672
d_walk+0x6c/0x660 fs/dcache.c:1367
do_one_tree+0x44/0xfc fs/dcache.c:1688
shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1704
generic_shutdown_super+0x68/0x328 fs/super.c:473
kill_block_super+0x70/0xdc fs/super.c:1470
gfs2_kill_sb+0xc0/0xd4
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
gfs2_thaw_super+0x18c/0x25c fs/gfs2/super.c:828
do_vfs_ioctl+0x1024/0x26f8
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 96220
hardirqs last enabled at (96219): [<ffff80000833f25c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (96220): [<ffff800012329064>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (96200): [<ffff8000081c3414>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last enabled at (96200): [<ffff8000081c3414>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (96081): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/01/06 14:37 | linux-6.1.y | 7dc732d24ff7 | f3558dbf | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | BUG: Dentry still in use in unmount | |
| 2025/01/06 14:21 | linux-6.1.y | 7dc732d24ff7 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | BUG: Dentry still in use in unmount | ||
| 2025/01/06 14:19 | linux-6.1.y | 7dc732d24ff7 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | BUG: Dentry still in use in unmount |