KMSAN: uninit-value in tomoyo_path

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision
abea5dd9	assessment-security	DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	KMSAN: uninit-value in tomoyo_path_chown (3)	2026/06/15 00:08	2026/06/15 00:08	2026/06/15 00:48	4f06757f

Title	Replies (including bot)	Last reply
[syzbot] [tomoyo?] KMSAN: uninit-value in tomoyo_path_chown (3)	1 (4)	2026/06/27 05:48
[syzbot] Monthly tomoyo report (Jun 2026)	0 (1)	2026/06/20 12:32

Title

Replies (including bot)

Last reply

1 (4)

2026/06/27 05:48

0 (1)

2026/06/20 12:32

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KMSAN: uninit-value in tomoyo_path_chown fs	7	syz, C			13763	1510d	1511d	22/29	fixed on 2023/02/24 13:50

Rank 🛈

upstream

syz, C

13763

1510d

1511d

22/29

===================================================== BUG: KMSAN: uninit-value in tomoyo_path_chown+0x128/0x270 security/tomoyo/tomoyo.c:380 tomoyo_path_chown+0x128/0x270 security/tomoyo/tomoyo.c:380 security_path_chown+0x1c0/0x710 security/security.c:1598 chown_common+0x69f/0xcb0 fs/open.c:771 do_fchownat+0x20f/0x490 fs/open.c:804 __do_sys_chown fs/open.c:824 [inline] __se_sys_chown fs/open.c:822 [inline] __x64_sys_chown+0x9d/0x110 fs/open.c:822 x64_sys_call+0x30cc/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:93 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable newattrs created at: chown_common+0xbc/0xcb0 fs/open.c:746 do_fchownat+0x20f/0x490 fs/open.c:804 CPU: 1 UID: 0 PID: 4943 Comm: udevd Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 =====================================================

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/06/13 08:31	upstream	2b414a95b8f7	1d2f3589	.config	console log	report				[disk image] [vmlinux] [kernel image]	ci-upstream-kmsan-gce-root	KMSAN: uninit-value in tomoyo_path_chown

Crashes (1):