syzbot


KASAN: slab-out-of-bounds Read in ocfs2_dx_dir_lookup_rec

Status: upstream: reported C repro on 2024/11/28 09:44
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+20282c1b2184a857ac4c@syzkaller.appspotmail.com
First crash: 212d, last: 51d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ocfs2?] KASAN: slab-out-of-bounds Read in ocfs2_dx_dir_lookup_rec 0 (2) 2025/03/09 11:40
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/04/09 18:54 14m retest repro upstream report log

Sample crash report:
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz-executor398,5304,0):ocfs2_find_entry_dx:1029 ERROR: status = -30
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5304 Comm: syz-executor398 Not tainted 6.14.0-rc5-syzkaller-00234-gb7c90e3e717a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_dx_dir_lookup_rec+0x325/0x810 fs/ocfs2/dir.c:812
Code: 20 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 4a 4b 6f fe 48 8b 03 48 89 44 24 30 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 c0 03 00 00 45 8b 3c 24 4c 89 f0 48 c1
RSP: 0018:ffffc9000d14eb40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880447788b8 RCX: ffff8880006f2440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880447788a0
RBP: ffffc9000d14ec50 R08: ffffffff83b9ce2e R09: ffffc9000d14ece0
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880491092c0 R15: ffff8880491092c0
FS:  000055556a600380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055721be84000 CR3: 000000003ef6e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_dx_dir_lookup+0x163/0x930 fs/ocfs2/dir.c:860
 ocfs2_dx_dir_search fs/ocfs2/dir.c:920 [inline]
 ocfs2_find_entry_dx fs/ocfs2/dir.c:1034 [inline]
 ocfs2_find_entry+0x1309/0x2570 fs/ocfs2/dir.c:1071
 ocfs2_check_dir_for_entry+0x17b/0x4a0 fs/ocfs2/dir.c:2040
 ocfs2_mknod+0x83c/0x2b30 fs/ocfs2/namei.c:288
 ocfs2_create+0x1ab/0x470 fs/ocfs2/namei.c:673
 lookup_open fs/namei.c:3651 [inline]
 open_last_lookups fs/namei.c:3750 [inline]
 path_openat+0x193c/0x3590 fs/namei.c:3986
 do_filp_open+0x27f/0x4e0 fs/namei.c:4016
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1454
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c42698bf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffef4145088 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4c426649e3 RCX: 00007f4c42698bf9
RDX: 0000000000105042 RSI: 0000400000000080 RDI: 00000000ffffff9c
RBP: 0000400000000040 R08: 00000000000b45f8 R09: 00000000000b45f8
R10: 00000000000001ff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffef4145258 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_dx_dir_lookup_rec+0x325/0x810 fs/ocfs2/dir.c:812
Code: 20 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 4a 4b 6f fe 48 8b 03 48 89 44 24 30 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 c0 03 00 00 45 8b 3c 24 4c 89 f0 48 c1
RSP: 0018:ffffc9000d14eb40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880447788b8 RCX: ffff8880006f2440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880447788a0
RBP: ffffc9000d14ec50 R08: ffffffff83b9ce2e R09: ffffc9000d14ece0
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880491092c0 R15: ffff8880491092c0
FS:  000055556a600380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055721bea2000 CR3: 000000003ef6e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	20 48 83             	and    %cl,-0x7d(%rax)
   3:	c3                   	ret
   4:	40                   	rex
   5:	48 89 d8             	mov    %rbx,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  11:	74 08                	je     0x1b
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 4a 4b 6f fe       	call   0xfe6f4b65
  1b:	48 8b 03             	mov    (%rbx),%rax
  1e:	48 89 44 24 30       	mov    %rax,0x30(%rsp)
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 c0 03 00 00    	jne    0x3f7
  37:	45 8b 3c 24          	mov    (%r12),%r15d
  3b:	4c 89 f0             	mov    %r14,%rax
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1

Crashes (69):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/09 11:39 upstream b7c90e3e717a 163f510d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/10/16 16:04 upstream 2f87d0916ce0 bde2d81c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-out-of-bounds Read in ocfs2_dx_dir_lookup_rec
2025/03/26 18:21 upstream 1e26c5e28ca5 19e40f48 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/25 06:56 upstream 2f2d52945852 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/24 08:24 upstream 586de92313fc 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/22 16:40 upstream 88d324e69ea9 c6512ef7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/21 06:16 upstream 5fc319360819 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/21 03:34 upstream 5fc319360819 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/20 00:40 upstream a7f2e10ecd8f 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/17 22:19 upstream 4701f33a1070 489e2dc8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/17 15:52 upstream 4701f33a1070 948c34e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/14 18:55 upstream e3a854b577cb e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/13 18:06 upstream b7f94fcf5546 44be8b44 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/10 00:50 upstream 1110ce6a1e34 163f510d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/09 10:35 upstream b7c90e3e717a 163f510d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/07 18:18 upstream 00a7d39898c8 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/07 14:55 upstream 00a7d39898c8 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/06 05:27 upstream cfced12f5100 034534df .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/04 18:40 upstream 99fa936e8e4f c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/03/04 01:50 upstream 99fa936e8e4f c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/28 19:46 upstream 76544811c850 1e7a43e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/26 20:34 upstream ac9c34d1e45a 6a8fcbc4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/24 05:22 upstream d082ecbc71e9 d34966d1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/23 07:08 upstream 5cf80612d3f7 d34966d1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/22 17:00 upstream ff202c5028a1 d34966d1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: use-after-free Read in ocfs2_dx_dir_lookup_rec
2025/02/22 13:51 upstream ff202c5028a1 d34966d1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/20 13:53 upstream 87a132e73910 50668798 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/17 19:43 upstream 0ad2507d5d93 4121cf9d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/17 18:20 upstream 0ad2507d5d93 4121cf9d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/17 02:58 upstream ba643b6d8440 40a34ec9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/16 16:22 upstream ad1b832bf1cf 40a34ec9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/15 11:08 upstream 04f41cbf03ec 40a34ec9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/10 06:58 upstream 69b54314c975 ef44b750 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: use-after-free Read in ocfs2_dx_dir_lookup_rec
2025/02/09 23:53 upstream 69b54314c975 ef44b750 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/03 14:10 upstream 2014c95afece a21a8419 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/03 06:48 upstream 69e858e0b8b2 568559e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/02 18:54 upstream 69e858e0b8b2 568559e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/01 10:18 upstream 69e858e0b8b2 aa47157c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/02/01 06:06 upstream 69e858e0b8b2 aa47157c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/27 04:25 upstream c2da8b3f914f 9fbd772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/24 11:38 upstream e0b1f5914274 521b0ce3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: use-after-free Read in ocfs2_dx_dir_lookup_rec
2025/01/23 17:27 upstream 21266b8df522 f6a35ef3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/21 06:02 upstream 3d3a9c8b89d4 6e87cfa2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/20 02:52 upstream 9528d418de4d f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/19 10:36 upstream fda5e3f28400 f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/18 16:40 upstream 595523945be0 f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/17 06:33 upstream ce69b4019001 f9e07a6e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/15 21:38 upstream 619f0b6fad52 968edaf4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/14 03:35 upstream c45323b7560e b1f1cd88 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/13 08:45 upstream be548645527a 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/13 08:36 upstream be548645527a 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/10 17:52 upstream 2144da25584e d9381135 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/09 21:16 upstream eea6e4b4dfb8 9220929f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/03 16:42 upstream 0bc21e701a6f 96d578a3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2025/01/01 10:23 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/31 12:00 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/28 11:35 upstream fd0584d220fe d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/27 07:34 upstream d6ef8b40d075 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/15 17:57 upstream 2d8308bf5b67 7cbfbb3a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/15 07:39 upstream 2d8308bf5b67 7cbfbb3a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/09 15:55 upstream fac04efc5c79 9ac0fdc6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/08 07:00 upstream 7503345ac5f5 9ac0fdc6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/12/05 16:58 upstream feffde684ac2 1c533826 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/28 19:30 upstream b86545e02e8c 5df23865 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/28 14:04 upstream b86545e02e8c 5df23865 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/28 09:43 upstream b86545e02e8c 5df23865 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/28 06:01 upstream b86545e02e8c 5df23865 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/27 18:57 upstream aaf20f870da0 5df23865 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
2024/11/22 14:23 upstream 28eb75e178d3 68da6d95 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in ocfs2_dx_dir_lookup_rec
* Struck through repros no longer work on HEAD.