KASAN: use-after-free Read in reiserfs_release

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	KASAN: use-after-free Read in reiserfs_release_objectid				1	383d	383d	0/3	auto-obsoleted due to no activity on 2023/08/07 07:31
upstream	KASAN: use-after-free Read in reiserfs_release_objectid reiserfs	C	error	done	6	113d	514d	0/26	upstream: reported C repro on 2022/11/29 10:22
linux-4.19	KASAN: use-after-free Read in reiserfs_release_objectid reiserfs	C		error	2	439d	515d	0/1	upstream: reported C repro on 2022/11/28 17:34

Created	Duration	User	Patch	Repo	Result
2023/03/02 02:44	31m	bisect fix		linux-4.14.y	job log (0) log
2023/01/29 22:30	22m	bisect fix		linux-4.14.y	job log (0) log

Created

Duration

User

Patch

Repo

Result

2023/03/02 02:44

31m

bisect fix

linux-4.14.y

job log (0) log

2023/01/29 22:30

22m

bisect fix

linux-4.14.y

job log (0) log

REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ================================================================== BUG: KASAN: use-after-free in memmove include/linux/string.h:391 [inline] BUG: KASAN: use-after-free in reiserfs_release_objectid+0x41c/0x710 fs/reiserfs/objectid.c:165 Read of size 14568 at addr ffff88809fe060d0 by task syz-executor348/7985 CPU: 0 PID: 7985 Comm: syz-executor348 Not tainted 4.14.300-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351 kasan_report+0x6f/0x80 mm/kasan/report.c:409 memmove+0x20/0x50 mm/kasan/kasan.c:293 memmove include/linux/string.h:391 [inline] reiserfs_release_objectid+0x41c/0x710 fs/reiserfs/objectid.c:165 remove_save_link+0x1e2/0x380 fs/reiserfs/super.c:542 reiserfs_evict_inode+0x3e7/0x4a0 fs/reiserfs/inode.c:91 evict+0x2c8/0x700 fs/inode.c:554 iput_final fs/inode.c:1523 [inline] iput+0x458/0x7e0 fs/inode.c:1550 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:387 __dentry_kill+0x320/0x550 fs/dcache.c:591 dentry_kill fs/dcache.c:632 [inline] dput.part.0+0x4b5/0x710 fs/dcache.c:847 dput+0x1b/0x30 fs/dcache.c:811 SYSC_renameat2 fs/namei.c:4650 [inline] SyS_renameat2+0x96a/0xad0 fs/namei.c:4535 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 The buggy address belongs to the page: page:ffffea00027f8180 count:2 mapcount:0 mapping:ffff8880b1d92a68 index:0x10 flags: 0xfff0000001106c(referenced|uptodate|lru|active|private|mappedtodisk) raw: 00fff0000001106c ffff8880b1d92a68 0000000000000010 00000002ffffffff raw: ffffea00029fe320 ffffea0002cf8c20 ffff88808cefbf18 ffff88823b3288c0 page dumped because: kasan: bad access detected page->mem_cgroup:ffff88823b3288c0 Memory state around the buggy address: ffff88809fe06f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88809fe06f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88809fe07000: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fb fb ^ ffff88809fe07080: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb ffff88809fe07100: fb fb fb fb fb fb fc fc fc fc fb fb fb fb fb fb ==================================================================

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/12/04 21:27	linux-4.14.y	179ef7fe8677	e080de16	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-4-14	KASAN: use-after-free Read in reiserfs_release_objectid

Crashes (1):

Assets (help?)