general protection fault in ocfs2_prepare_dir_for

Date	Name	Commit	Repro	Result
2025/12/19	linux-5.15.y (ToT)	68efe5a6c16a	C	[report] general protection fault in ocfs2_prepare_dir_for_insert
2025/12/19	upstream (ToT)	dd9b004b7ff3	C	Didn't crash

Date

Name

Commit

Repro

Result

2025/12/19

linux-5.15.y (ToT)

68efe5a6c16a

[report] general protection fault in ocfs2_prepare_dir_for_insert

2025/12/19

upstream (ToT)

dd9b004b7ff3

Didn't crash

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.6	general protection fault in ocfs2_prepare_dir_for_insert origin:lts-only	2	C		error	6	42d	42d	0/2	upstream: reported C repro on 2025/12/18 14:49
linux-6.1	BUG: unable to handle kernel paging request in ocfs2_prepare_dir_for_insert origin:upstream missing-backport	8	C		inconclusive	20	27d	436d	0/3	upstream: reported C repro on 2024/11/19 13:12
upstream	general protection fault in ocfs2_prepare_dir_for_insert (2) ocfs2	8	C	error		20	55d	234d	29/29	fixed on 2026/01/07 12:29
linux-5.15	BUG: unable to handle kernel paging request in ocfs2_prepare_dir_for_insert	8	C		error	15	331d	347d	0/3	auto-obsoleted due to no activity on 2025/05/14 04:21
upstream	general protection fault in ocfs2_prepare_dir_for_insert ocfs2	8	C	inconclusive		1072	279d	528d	28/29	fixed on 2025/05/06 15:33

Created	Duration	User	Patch	Repo	Result
2026/01/07 01:39	1h44m	fix candidate		upstream	OK (0) job log

Created

Duration

User

Patch

Repo

Result

2026/01/07 01:39

1h44m

fix candidate

upstream

OK (0) job log

option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 4352 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3425 [inline] RIP: 0010:ocfs2_prepare_dir_for_insert+0x2d5b/0x5240 fs/ocfs2/dir.c:4305 Code: e8 3a f2 61 fe e9 40 01 00 00 e8 30 f2 61 fe 49 bd 00 00 00 00 00 fc ff df 49 8d 7c 24 08 4d 8d 74 24 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 48 8b 5c 24 20 0f 85 e6 1f 00 00 48 2b 9c 24 RSP: 0018:ffffc90002f5f040 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88805c505e48 RCX: ffff888023a95940 RDX: 0000000000000000 RSI: ffff8880742a90c8 RDI: 0000000000000008 RBP: ffffc90002f5f770 R08: ffffc90002f5fa80 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000009 R15: ffff88805c505df8 FS: 0000555567351500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbca75f9000 CR3: 00000000691d5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __ocfs2_prepare_orphan_dir+0x142/0x2c0 fs/ocfs2/namei.c:2164 ocfs2_prepare_orphan_dir+0xf6/0x3f0 fs/ocfs2/namei.c:2207 ocfs2_unlink+0x8fa/0x17f0 fs/ocfs2/namei.c:959 vfs_unlink+0x385/0x600 fs/namei.c:4288 do_unlinkat+0x382/0x6f0 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xd1/0xe0 fs/namei.c:4392 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f0950c4c749 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:00007ffc378baa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f0950ea2fa0 RCX: 00007f0950c4c749 RDX: 0000000000000000 RSI: 0000200000000380 RDI: ffffffffffffff9c RBP: 00007f0950cd0f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0950ea2fa0 R14: 00007f0950ea2fa0 R15: 0000000000000003 </TASK> Modules linked in: ---[ end trace 7f3397a5a75b2648 ]--- RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3425 [inline] RIP: 0010:ocfs2_prepare_dir_for_insert+0x2d5b/0x5240 fs/ocfs2/dir.c:4305 Code: e8 3a f2 61 fe e9 40 01 00 00 e8 30 f2 61 fe 49 bd 00 00 00 00 00 fc ff df 49 8d 7c 24 08 4d 8d 74 24 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 48 8b 5c 24 20 0f 85 e6 1f 00 00 48 2b 9c 24 RSP: 0018:ffffc90002f5f040 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88805c505e48 RCX: ffff888023a95940 RDX: 0000000000000000 RSI: ffff8880742a90c8 RDI: 0000000000000008 RBP: ffffc90002f5f770 R08: ffffc90002f5fa80 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000009 R15: ffff88805c505df8 FS: 0000555567351500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbca75f6000 CR3: 00000000691d5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 3a f2 61 fe call 0xfe61f23f 5: e9 40 01 00 00 jmp 0x14a a: e8 30 f2 61 fe call 0xfe61f23f f: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 16: fc ff df 19: 49 8d 7c 24 08 lea 0x8(%r12),%rdi 1e: 4d 8d 74 24 09 lea 0x9(%r12),%r14 23: 48 89 f8 mov %rdi,%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: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx 36: 0f 85 e6 1f 00 00 jne 0x2022 3c: 48 rex.W 3d: 2b .byte 0x2b 3e: 9c pushf 3f: 24 .byte 0x24

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/12/18 19:48	linux-5.15.y	68efe5a6c16a	d6526ea3	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)]	ci2-linux-5-15-kasan	general protection fault in ocfs2_prepare_dir_for_insert
2025/12/18 19:41	linux-5.15.y	68efe5a6c16a	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	general protection fault in ocfs2_prepare_dir_for_insert
2025/12/18 19:23	linux-5.15.y	68efe5a6c16a	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	general protection fault in ocfs2_prepare_dir_for_insert
2025/12/18 19:21	linux-5.15.y	68efe5a6c16a	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	general protection fault in ocfs2_prepare_dir_for_insert

Crashes (4):

Assets (help?)