From: syzbot <syzbot+8608bb4553edb8c78f41@syzkaller.appspotmail.com>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk
Subject: [syzbot] BUG: Dentry still in use in unmount
Date: Fri, 26 Aug 2022 03:50:26 -0700 [thread overview]
Message-ID: <000000000000863a7305e722aeeb@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: a41a877bc12d Merge branch 'for-next/fixes' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=13901aad080000
kernel config: https://syzkaller.appspot.com/x/.config?x=5cea15779c42821c
dashboard link: https://syzkaller.appspot.com/bug?extid=8608bb4553edb8c78f41
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10d75e95080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15440857080000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8608bb4553edb8c78f41@syzkaller.appspotmail.com
BUG: Dentry 00000000133f9b6b{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor425 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000c7bb05f8 x27: ffff80000d4e1e20
x26: ffff0000c7bb04e0 x25: 0000000000000001 x24: ffff0000c7bb05f8
x23: ffff0000c7bb0090 x22: ffff0000c7b9d138 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000c7bb0000 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000100000002 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 168478
hardirqs last enabled at (168477): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (168478): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (168132): [<ffff80000801c1f4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (168130): [<ffff80000801c1c0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
BUG: Dentry 00000000133f9b6b{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor425 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000c7bb05f8 x27: ffff80000d4e1e20
x26: ffff0000c7bb04e0 x25: 0000000000000001 x24: ffff0000c7bb05f8
x23: ffff0000c7bb0090 x22: ffff0000c7b9d138 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000c7bb0000 x18: 00000000000000c0
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000100000003 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 168928
hardirqs last enabled at (168927): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (168928): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (168922): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (168635): [<ffff800008104658>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (168635): [<ffff800008104658>] invoke_softirq+0x70/0xbc kernel/softirq.c:452
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...
BUG: Dentry 000000005431b8af{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 0 PID: 3045 Comm: syz-executor425 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000c7b98250 x27: ffff80000d4e1e20
x26: ffff0000c7b98138 x25: 0000000000000001 x24: ffff0000c7b98250
x23: ffff0000cc849570 x22: ffff0000cc99d750 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000cc8494e0 x18: 0000000000000350
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000100000002 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 257288
hardirqs last enabled at (257287): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (257288): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (256910): [<ffff80000801c1f4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (256908): [<ffff80000801c1c0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...
BUG: Dentry 000000005431b8af{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor425 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000c7b98250 x27: ffff80000d4e1e20
x26: ffff0000c7b98138 x25: 0000000000000001 x24: ffff0000c7b98250
x23: ffff0000cc849570 x22: ffff0000cc88d138 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000cc8494e0 x18: 00000000000002ea
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000100000002 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 283828
hardirqs last enabled at (283827): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (283828): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (283438): [<ffff80000801c1f4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (283436): [<ffff80000801c1c0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...
BUG: Dentry 000000005431b8af{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor425 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000c7b98250 x27: ffff80000d4e1e20
x26: ffff0000c7b98138 x25: 0000000000000001 x24: ffff0000c7b98250
x23: ffff0000cc849570 x22: ffff0000cc88dc30 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000cc8494e0 x18: 0000000000000109
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000000000002 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 335826
hardirqs last enabled at (335825): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (335826): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (335820): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (335803): [<ffff800008104658>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (335803): [<ffff800008104658>] invoke_softirq+0x70/0xbc kernel/softirq.c:452
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...
loop0: unable to read partition table
loop0: partition table beyond EOD, truncated
BUG: Dentry 00000000cd442007{i=0,n=.reiserfs_priv} still in use (1) [unmount of squashfs loop0]
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3045 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor425 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : umount_check+0xc0/0xc8 fs/dcache.c:1667
lr : umount_check+0xc0/0xc8 fs/dcache.c:1667
sp : ffff800012ac3bc0
x29: ffff800012ac3bc0 x28: ffff0000cc88d5f8 x27: ffff80000d4e1e20
x26: ffff0000cc88d4e0 x25: 0000000000000001 x24: ffff0000cc88d5f8
x23: ffff0000cc88d438 x22: ffff0000ca0579c0 x21: ffff8000085edd40
x20: 0000000000000000 x19: ffff0000cc88d3a8 x18: 000000000000009d
x17: 657375206e69206c x16: ffff80000dbb8658 x15: ffff0000c378cf80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c378cf80
x11: ff808000081c39dc x10: 0000000000000000 x9 : 3f5cf90385ca4900
x8 : 3f5cf90385ca4900 x7 : ffff800008197c8c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefddcd0 x1 : 0000000100000002 x0 : 0000000000000060
Call trace:
umount_check+0xc0/0xc8 fs/dcache.c:1667
d_walk+0x13c/0x55c fs/dcache.c:1386
do_one_tree fs/dcache.c:1683 [inline]
shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699
generic_shutdown_super+0x30/0x190 fs/super.c:473
kill_block_super+0x30/0x78 fs/super.c:1427
deactivate_locked_super+0x70/0xd4 fs/super.c:332
deactivate_super+0xb8/0xbc fs/super.c:363
cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0xc4/0x208 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
irq event stamp: 366714
hardirqs last enabled at (366713): [<ffff8000081c1c48>] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:264
hardirqs last disabled at (366714): [<ffff80000bffe9cc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395
softirqs last enabled at (366346): [<ffff80000801c1f4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (366344): [<ffff80000801c1c0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...
loop0: unable to read partition table
loop0: partition table beyond EOD, truncated
---
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syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches
next reply other threads:[~2022-08-26 10:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 10:50 syzbot [this message]
2023-12-16 23:19 ` [f2fs-dev] [syzbot] [reiserfs?] [squashfs?] BUG: Dentry still in use in unmount syzbot
2023-12-16 23:19 ` syzbot
2023-12-17 3:39 ` Edward Adam Davis
2023-12-17 4:04 ` [syzbot] " syzbot
2023-12-17 5:43 ` Edward Adam Davis
2023-12-17 6:09 ` [syzbot] " syzbot
2023-12-17 8:11 ` [f2fs-dev] [PATCH] ovl: fix " Edward Adam Davis via Linux-f2fs-devel
2023-12-17 8:11 ` Edward Adam Davis
2023-12-17 9:32 ` [f2fs-dev] " Amir Goldstein
2023-12-17 9:32 ` Amir Goldstein
2023-12-17 9:16 ` [f2fs-dev] [syzbot] [reiserfs?] [squashfs?] " Amir Goldstein
2023-12-17 9:16 ` Amir Goldstein
2023-12-17 9:36 ` [f2fs-dev] " syzbot
2023-12-17 9:36 ` syzbot
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