syzbot


kernel BUG in may_open (2)

Status: upstream: reported C repro on 2025/07/08 17:51
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+895c23f6917da440ed0d@syzkaller.appspotmail.com
Fix commit: 0a9e74051313 isofs: Verify inode mode when loading from disk 4aead50caf67 nilfs2: reject invalid file types when reading inodes
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-net-kasan-gce ci-upstream-net-this-kasan-gce], missing on: [ci-qemu-native-arm64-kvm ci-upstream-linux-next-kasan-gce-root ci-upstream-rust-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 57d, last: now
Cause bisection: introduced by (bisect log) :
commit af153bb63a336a7ca0d9c8ef4ca98119c5020030
Author: Mateusz Guzik <mjguzik@gmail.com>
Date: Sun Feb 9 18:55:21 2025 +0000

  vfs: catch invalid modes in may_open()

Crash: kernel BUG in may_open (log)
Repro: C syz .config
  
Discussions (11)
Title Replies (including bot) Last reply
[PATCH] ntfs3: pretend $Extend records as regular files 1 (1) 2025/09/02 10:43
[PATCH] cramfs: Verify inode mode when loading from disk 4 (4) 2025/08/30 10:01
[PATCH] jfs: Verify inode mode when loading from disk 2 (2) 2025/08/29 13:16
[PATCH] squashfs: Verify inode mode when loading from disk 2 (2) 2025/08/14 15:14
Re: [PATCH] vfs: show filesystem name at dump_inode() 1 (1) 2025/08/12 15:22
[PATCH] minixfs: Verify inode mode when loading from disk 1 (1) 2025/08/12 15:17
[PATCH] vfs: show filesystem name at dump_inode() 2 (2) 2025/08/11 19:45
[RFC PATCH] vfs: exclude ntfs3 from file mode validation in may_open() 3 (3) 2025/08/11 13:50
[PATCH] isofs: Verify inode mode when loading from disk 4 (4) 2025/07/11 09:39
[PATCH] nilfs2: reject invalid file types when reading inodes 1 (1) 2025/07/10 13:49
[syzbot] [nilfs?] kernel BUG in may_open (2) 3 (4) 2025/07/10 07:42
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in may_open fs -1 C error 137019 57d 154d 29/29 fixed on 2025/07/08 00:33

Sample crash report:
loop0: detected capacity change from 0 to 4096
ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512).
VFS_BUG_ON_INODE(!IS_ANON_FILE(inode)) encountered for inode ffff8880493dd770
------------[ cut here ]------------
kernel BUG at fs/namei.c:3474!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6034 Comm: syz.0.17 Tainted: G        W           syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:may_open+0x4b1/0x4c0 fs/namei.c:3474
Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 79 69 f0 ff e9 11 fd ff ff e8 7f 36 91 ff 4c 89 f7 48 c7 c6 80 cf 18 8b e8 c0 bb fa fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900048e78e0 EFLAGS: 00010246
RAX: 000000000000004d RBX: dffffc0000000000 RCX: 7e27dcd5c4ee3100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000008042 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff5200091cec1 R12: 0000000000000000
R13: ffffffff8daf9340 R14: ffff8880493dd770 R15: 0000000000000006
FS:  000055558fb23500(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb4d546000 CR3: 0000000042b20000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_open fs/namei.c:3885 [inline]
 path_openat+0x2d9d/0x3840 fs/namei.c:4046
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 do_sys_openat2+0x121/0x1c0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_openat fs/open.c:1466 [inline]
 __se_sys_openat fs/open.c:1461 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1461
 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: 0033:0x7fdb552debe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc47064168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fdb55505fa0 RCX: 00007fdb552debe9
RDX: 0000000000000042 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007fdb55361e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb55505fa0 R14: 00007fdb55505fa0 R15: 0000000000000004
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:may_open+0x4b1/0x4c0 fs/namei.c:3474
Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 79 69 f0 ff e9 11 fd ff ff e8 7f 36 91 ff 4c 89 f7 48 c7 c6 80 cf 18 8b e8 c0 bb fa fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900048e78e0 EFLAGS: 00010246
RAX: 000000000000004d RBX: dffffc0000000000 RCX: 7e27dcd5c4ee3100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000008042 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff5200091cec1 R12: 0000000000000000
R13: ffffffff8daf9340 R14: ffff8880493dd770 R15: 0000000000000006
FS:  000055558fb23500(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb4d546000 CR3: 0000000042b20000 CR4: 00000000003526f0

Crashes (11958):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/22 02:11 upstream 068a56e56fa8 3e79b825 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/08/21 23:21 upstream 068a56e56fa8 3e79b825 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/08/21 17:40 upstream 068a56e56fa8 3e79b825 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/08/19 12:36 upstream be48bcf004f9 523f460e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] [mounted in repro #3 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/07/08 13:03 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in may_open
2025/07/08 12:34 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in may_open
2025/07/08 12:04 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in may_open
2025/07/08 04:06 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in may_open
2025/07/08 02:39 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in may_open
2025/07/08 01:41 upstream d7b8f8e20813 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-upstream-fs kernel BUG in may_open
2025/07/22 16:08 upstream 89be9a83ccf1 af30dea9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in may_open
2025/07/22 09:21 upstream 89be9a83ccf1 1555463b .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in may_open
2025/07/19 03:20 upstream d786aba32000 7117feec .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in may_open
2025/07/08 01:56 upstream d7b8f8e20813 4f67c4ae .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in may_open
2025/07/08 01:21 upstream d7b8f8e20813 4f67c4ae .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in may_open
2025/07/12 16:37 linux-next a62b7a37e6fc 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-linux-next-kasan-gce-root kernel BUG in may_open
2025/07/08 01:57 linux-next 26ffb3d6f02c 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in may_open
2025/07/08 02:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-gce-arm64 kernel BUG in may_open
2025/07/08 01:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in may_open
2025/08/19 10:11 upstream be48bcf004f9 523f460e .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] [mounted in repro #3 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/08/19 08:10 upstream be48bcf004f9 523f460e .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] [mounted in repro #3 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/08/19 06:10 upstream be48bcf004f9 523f460e .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (clean fs)] [mounted in repro #3 (clean fs)] ci2-upstream-fs kernel BUG in may_open
2025/09/03 16:40 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/03 15:28 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in may_open
2025/09/03 15:02 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/03 13:38 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/03 11:51 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/03 09:18 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/03 08:14 upstream e6b9dce0aeeb 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/02 18:24 upstream b320789d6883 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/02 14:34 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in may_open
2025/09/02 09:00 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/02 08:01 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/02 04:12 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/02 02:04 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in may_open
2025/09/01 22:54 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/09/01 20:19 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in may_open
2025/07/11 10:48 upstream bc9ff192a6c9 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in may_open
2025/09/03 17:42 upstream e6b9dce0aeeb 19216959 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 12:32 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 10:41 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 09:38 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 05:41 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 02:23 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/03 01:23 upstream e6b9dce0aeeb 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 19:26 upstream b320789d6883 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 17:11 upstream b320789d6883 96a211bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 11:05 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 10:04 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 06:40 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 05:34 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 04:23 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 02:06 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 01:02 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/09/02 00:02 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in may_open
2025/08/26 05:26 linux-next 7fa4d8dc380f bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in may_open
2025/09/03 06:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/03 04:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/03 03:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/03 00:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 23:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 22:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 16:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 15:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 14:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 13:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 12:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 06:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/02 03:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/01 21:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
2025/09/01 21:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in may_open
* Struck through repros no longer work on HEAD.