BUG: unable to handle kernel paging request in prepare_for_delete_or

Date	Name	Commit	Repro	Result
2024/03/02	upstream (ToT)	5ad3cb0ed525	C	[report] BUG: unable to handle kernel paging request in prepare_for_delete_or_cut

Date

Name

Commit

Repro

Result

2024/03/02

upstream (ToT)

5ad3cb0ed525

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

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in prepare_for_delete_or_cut reiserfs	C	error	done	71	98d	483d	0/26	auto-obsoleted due to no activity on 2024/05/03 14:06
linux-5.15	BUG: unable to handle kernel paging request in prepare_for_delete_or_cut origin:upstream	C			1	13d	13d	0/3	upstream: reported C repro on 2024/04/20 01:57
linux-4.19	general protection fault in prepare_for_delete_or_cut fat reiserfs	C		error	3	458d	488d	0/1	upstream: reported C repro on 2023/01/01 21:41
linux-4.14	general protection fault in prepare_for_delete_or_cut reiserfs fat	C			2	443d	490d	0/1	upstream: reported C repro on 2022/12/30 06:10

Created	Duration	User	Patch	Repo	Result
2024/04/24 18:32	2h00m	bisect fix		linux-6.1.y	job log (0) log

Created

Duration

User

Patch

Repo

Result

2024/04/24 18:32

2h00m

bisect fix

linux-6.1.y

job log (0) log

REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 533. Fsck? Unable to handle kernel paging request at virtual address dfff800000000005 KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] 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: 0 PID: 4222 Comm: syz-executor167 Not tainted 6.1.80-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : reiserfs_node_data fs/reiserfs/reiserfs.h:2184 [inline] pc : item_head fs/reiserfs/reiserfs.h:2200 [inline] pc : tp_item_head fs/reiserfs/reiserfs.h:2226 [inline] pc : prepare_for_delete_or_cut+0x130/0x1a34 fs/reiserfs/stree.c:1050 lr : tp_item_head fs/reiserfs/reiserfs.h:2226 [inline] lr : prepare_for_delete_or_cut+0xf0/0x1a34 fs/reiserfs/stree.c:1050 sp : ffff80001dc66da0 x29: ffff80001dc66ee0 x28: 1ffff00003b8ceb4 x27: ffff700003b8cdcc x26: ffff80001dc675a8 x25: ffff80001dc675a0 x24: dfff800000000000 x23: dfff800000000000 x22: ffff80001dc67640 x21: 0000000000000000 x20: 0000000000000028 x19: ffff80001dc675c0 x18: ffff80001dc66160 x17: 6f662064696c6176 x16: ffff8000120942c0 x15: 0000000000000000 x14: 00000000fffffffe x13: ffff0000da2eb780 x12: ffff80001dc66e60 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008d9ffc0 x8 : 0000000000000005 x7 : 0000000000000001 x6 : 0000000000000000 x5 : ffff80001dc67410 x4 : ffff80001dc67420 x3 : ffff80001dc67640 x2 : ffff80001dc675a0 x1 : 0000000000000001 x0 : 0000000000000008 Call trace: reiserfs_node_data fs/reiserfs/reiserfs.h:2184 [inline] item_head fs/reiserfs/reiserfs.h:2200 [inline] tp_item_head fs/reiserfs/reiserfs.h:2226 [inline] prepare_for_delete_or_cut+0x130/0x1a34 fs/reiserfs/stree.c:1050 reiserfs_cut_from_item+0x2ac/0x1c98 fs/reiserfs/stree.c:1682 reiserfs_do_truncate+0x89c/0x11c8 fs/reiserfs/stree.c:1973 reiserfs_truncate_file+0x510/0xb1c fs/reiserfs/inode.c:2310 reiserfs_file_release+0x710/0x884 fs/reiserfs/file.c:109 __fput+0x30c/0x7bc fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x240/0x2f0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 35008b48 9100a294 b9800275 d343fe88 (38786908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 35008b48 cbnz w8, 0x1168 4: 9100a294 add x20, x20, #0x28 8: b9800275 ldrsw x21, [x19] c: d343fe88 lsr x8, x20, #3 * 10: 38786908 ldrb w8, [x8, x24] <-- trapping instruction

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/03/02 01:49	linux-6.1.y	a3eb3a74aa8c	83acf9e0	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-6-1-kasan-arm64	BUG: unable to handle kernel paging request in prepare_for_delete_or_cut
2024/03/25 08:44	linux-6.1.y	d7543167affd	0ea90952	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-arm64	BUG: unable to handle kernel paging request in prepare_for_delete_or_cut

Crashes (2):

Assets (help?)