BUG: unable to handle kernel paging request in udf_fiiter_write

Date	Name	Commit	Repro	Result
2025/06/29	linux-5.15.y (ToT)	3dea0e7f549e	C	[report] BUG: unable to handle kernel paging request in udf_fiiter_write_fi
2025/06/29	upstream (ToT)	dfba48a70cb6	C	Didn't crash

Date

Name

Commit

Repro

Result

2025/06/29

linux-5.15.y (ToT)

3dea0e7f549e

[report] BUG: unable to handle kernel paging request in udf_fiiter_write_fi

2025/06/29

upstream (ToT)

dfba48a70cb6

Didn't crash

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	BUG: unable to handle kernel paging request in udf_fiiter_write_fi origin:lts-only	8	C		error	2	23d	77d	0/3	upstream: reported C repro on 2025/06/09 11:18
upstream	general protection fault in udf_fiiter_write_fi udf	2	C	error		2	956d	960d	22/29	fixed on 2023/06/08 14:41
linux-6.1	general protection fault in udf_fiiter_write_fi	2				1	289d	289d	0/3	auto-obsoleted due to no activity on 2025/02/18 06:56

Created	Duration	User	Patch	Repo	Result
2025/08/20 08:13	41m	retest repro		linux-5.15.y	report log

Created

Duration

User

Patch

Repo

Result

2025/08/20 08:13

41m

retest repro

linux-5.15.y

report log

Unable to handle kernel paging request at virtual address dfff800000000005 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000005] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4253 Comm: syz.0.44 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : udf_fiiter_write_fi+0x178/0xb54 fs/udf/directory.c:406 lr : udf_fiiter_write_fi+0xd8/0xb54 fs/udf/directory.c:402 sp : ffff80001fee74d0 x29: ffff80001fee7540 x28: ffff0000e2ea82f0 x27: ffff80001fee76f0 x26: dfff800000000000 x25: 1ffff00003fdcf12 x24: 0000000000000200 x23: 0000000000000000 x22: ffff0000edc59af8 x21: 0000000000000001 x20: 0000000000000028 x19: ffff80001fee7890 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111bc798 x15: 000000003b9aca00 x14: 0000000000ff0100 x13: 0000000030e03500 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000da919b40 x8 : 0000000000000005 x7 : 0000000030e03500 x6 : 0000000000000040 x5 : ffff0000edc59518 x4 : ffff0000edc59508 x3 : ffff800009741288 x2 : 0000000000000010 x1 : 0000000000000001 x0 : 0000000000000003 Call trace: udf_fiiter_write_fi+0x178/0xb54 fs/udf/directory.c:406 udf_rename+0x960/0xa10 fs/udf/namei.c:860 vfs_rename+0x954/0xdcc fs/namei.c:4832 do_renameat2+0x74c/0xcdc fs/namei.c:4985 __do_sys_renameat2 fs/namei.c:5018 [inline] __se_sys_renameat2 fs/namei.c:5015 [inline] __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5015 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 97c39d27 f9400288 9100a114 d343fe88 (387a6908) ---[ end trace 8c8e161c9b786d88 ]--- ---------------- Code disassembly (best guess): 0: 97c39d27 bl 0xffffffffff0e749c 4: f9400288 ldr x8, [x20] 8: 9100a114 add x20, x8, #0x28 c: d343fe88 lsr x8, x20, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/08/04 03:19	linux-5.15.y	c79648372d02	7368264b	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-5-15-kasan-arm64	BUG: unable to handle kernel paging request in udf_fiiter_write_fi
2025/06/26 07:13	linux-5.15.y	1c700860e8bc	26d77996	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-5-15-kasan-arm64	BUG: unable to handle kernel paging request in udf_fiiter_write_fi

Crashes (2):

Assets (help?)