syzbot


VFS: Busy inodes after unmount (use-after-free) (2)

Status: upstream: reported C repro on 2025/05/11 08:46
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+1134d3a5b062e9665a7a@syzkaller.appspotmail.com
Fix commit: d0118d7d20bb ocfs2: update d_splice_alias() return code checking
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci-upstream-rust-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-native-arm64-kvm]
First crash: 112d, last: 10d
Cause bisection: failed (error log, bisect log)
  
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] ocfs2: update d_splice_alias() return code checking 6 (6) 2025/07/02 06:08
[syzbot] [btrfs?] VFS: Busy inodes after unmount (use-after-free) (2) 1 (3) 2025/06/27 14:17
Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 VFS: Busy inodes after unmount (use-after-free) 2 C 4 858d 914d 0/2 auto-obsoleted due to no activity on 2023/08/20 15:35
linux-6.1 VFS: Busy inodes after unmount (use-after-free) origin:lts-only 2 C inconclusive 1706 2d07h 893d 0/3 upstream: reported C repro on 2023/03/18 09:53
android-5-15 VFS: Busy inodes after unmount (use-after-free) origin:downstream 2 C error done 2 812d 914d 0/2 auto-obsoleted due to no activity on 2023/09/15 20:27
android-5-10 VFS: Busy inodes after unmount (use-after-free) 2 C done inconclusive 1 914d 914d 0/2 auto-obsoleted due to no activity on 2023/06/25 23:02
linux-6.6 VFS: Busy inodes after unmount (use-after-free) origin:upstream 2 C 3 25d 29d 0/2 upstream: reported C repro on 2025/07/29 23:52
upstream VFS: Busy inodes after unmount (use-after-free) bcachefs 2 C error 55684 114d 945d 28/29 fixed on 2025/05/06 15:33
linux-5.15 VFS: Busy inodes after unmount (use-after-free) missing-backport origin:upstream 2 C unreliable 2346 1d19h 892d 0/3 upstream: reported C repro on 2023/03/19 11:46
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/06/27 13:52 19m penguin-kernel@i-love.sakura.ne.jp patch upstream OK log

Sample crash report:
VFS: Lookup of '.' in ocfs2 loop0 would have caused loop
VFS: Lookup of '.' in ocfs2 loop0 would have caused loop
ocfs2: Unmounting device (7,0) on (node local)
VFS: Busy inodes after unmount of loop0 (ocfs2)
------------[ cut here ]------------
kernel BUG at fs/super.c:653!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5825 Comm: syz-executor776 Not tainted 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e f2 ee ff 49 8b 16 48 81 c3 70 06 00 00 48 c7 c7 00 1c 99 8b 48 89 de e8 55 d8 f4 fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f
RSP: 0018:ffffc9000432fb80 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff88807ae48670 RCX: 783a4995bbf4b700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100f5c90f1 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e676cc0 R15: ffff88807ae48788
FS:  0000000000000000(0000) GS:ffff888125c83000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556eb58738 CR3: 00000000353da000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kill_block_super+0x44/0x90 fs/super.c:1755
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x22e0 kernel/exit.c:964
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 __do_sys_exit_group kernel/exit.c:1116 [inline]
 __se_sys_exit_group kernel/exit.c:1114 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1114
 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5362e527c9
Code: Unable to access opcode bytes at 0x7f5362e5279f.
RSP: 002b:00007ffe3001b448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5362e527c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f5362ed3390 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000246 R12: 00007f5362ed3390
R13: 0000000000000000 R14: 00007f5362ed4100 R15: 00007f5362e20780
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super+0x2bc/0x2c0 fs/super.c:651
Code: 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e f2 ee ff 49 8b 16 48 81 c3 70 06 00 00 48 c7 c7 00 1c 99 8b 48 89 de e8 55 d8 f4 fe 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f
RSP: 0018:ffffc9000432fb80 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff88807ae48670 RCX: 783a4995bbf4b700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100f5c90f1 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8e676cc0 R15: ffff88807ae48788
FS:  0000000000000000(0000) GS:ffff888125c83000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556eb58738 CR3: 0000000027ace000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (276):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/26 06:07 upstream 92ca6c498a5e 26d77996 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs VFS: Busy inodes after unmount (use-after-free)
2025/06/23 09:04 upstream b67ec639010f d6cdfb8a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs VFS: Busy inodes after unmount (use-after-free)
2025/05/07 10:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e0f4c8dd9d2d 350f4ffc .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/05/07 10:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e0f4c8dd9d2d 350f4ffc .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/05/07 09:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e0f4c8dd9d2d 350f4ffc .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 21:52 upstream 4b290aae788e f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs VFS: Busy inodes after unmount (use-after-free)
2025/07/30 05:40 upstream 0919a5b3b11c f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs VFS: Busy inodes after unmount (use-after-free)
2025/08/17 02:40 upstream 90d970cade8e dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root VFS: Busy inodes after unmount (use-after-free)
2025/06/09 21:02 linux-next 475c850a7fdd 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root VFS: Busy inodes after unmount (use-after-free)
2025/08/11 15:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/11 13:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/11 08:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/11 05:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/11 00:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/10 22:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/10 19:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/10 12:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/10 09:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/10 03:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/09 17:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/09 15:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/09 09:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/05 07:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 abdcb213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/04 23:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 abdcb213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/04 13:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/04 06:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/02 04:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/02 02:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/08/01 15:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/31 15:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/31 12:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/31 11:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/31 05:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/31 03:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 23:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 20:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 17:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 08:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/30 00:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/29 13:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/28 23:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/28 21:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/27 09:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/27 06:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/26 20:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/26 14:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/26 07:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/26 02:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/26 01:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/25 17:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/25 14:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/24 14:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ce5c617ec2d0 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
2025/07/24 02:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ce5c617ec2d0 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 VFS: Busy inodes after unmount (use-after-free)
* Struck through repros no longer work on HEAD.