KMSAN: uninit-value in xfrm_state

Title	Replies (including bot)	Last reply
[PATCH ipsec 0/2] xfrm: fixes for xfrm_state_find under preemption	3 (3)	2025/05/23 18:05
[syzbot] [net?] KMSAN: uninit-value in xfrm_state_find (4)	1 (2)	2025/05/22 11:54

Title

Replies (including bot)

Last reply

[PATCH ipsec 0/2] xfrm: fixes for xfrm_state_find under preemption

3 (3)

2025/05/23 18:05

[syzbot] [net?] KMSAN: uninit-value in xfrm_state_find (4)

1 (2)

2025/05/22 11:54

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KMSAN: uninit-value in xfrm_state_find (2) net				19	410d	568d	0/28	auto-obsoleted due to no activity on 2024/07/18 11:50
upstream	KMSAN: uninit-value in xfrm_state_find (3) net				1	267d	267d	0/28	closed as invalid on 2024/10/09 09:35
upstream	KASAN: slab-out-of-bounds Read in xfrm_state_find net				10	25d	179d	28/28	fixed on 2025/05/06 15:33
upstream	KMSAN: uninit-value in xfrm_state_find net	C	error	done	215	736d	2535d	22/28	fixed on 2023/07/01 16:05
android-54	KASAN: stack-out-of-bounds Read in xfrm_state_find	C			1	874d	874d	0/2	upstream: reported C repro on 2023/01/01 01:05
android-5-15	KASAN: stack-out-of-bounds Read in xfrm_state_find origin:upstream missing-backport	C	error	error	2	389d	874d	0/2	upstream: reported C repro on 2023/01/01 00:40
android-5-10	KASAN: stack-out-of-bounds Read in xfrm_state_find (2)	syz	error	error	1	874d	874d	0/2	auto-obsoleted due to no activity on 2023/05/14 02:28
android-5-10	KASAN: stack-out-of-bounds Read in xfrm_state_find				1	1294d	1294d	0/2	closed as invalid on 2022/02/03 13:56

===================================================== BUG: KMSAN: uninit-value in xfrm_state_find+0x2423/0xaae0 net/xfrm/xfrm_state.c:1438 xfrm_state_find+0x2423/0xaae0 net/xfrm/xfrm_state.c:1438 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2519 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2570 [inline] xfrm_resolve_and_create_bundle+0xabc/0x58b0 net/xfrm/xfrm_policy.c:2868 xfrm_lookup_with_ifid+0x48c/0x3ac0 net/xfrm/xfrm_policy.c:3202 xfrm_lookup net/xfrm/xfrm_policy.c:3333 [inline] xfrm_lookup_route+0x63/0x2b0 net/xfrm/xfrm_policy.c:3344 ip_route_output_flow+0x20d/0x2b0 net/ipv4/route.c:2918 ip_route_connect include/net/route.h:352 [inline] tcp_v4_connect+0xa43/0x1cd0 net/ipv4/tcp_ipv4.c:252 tcp_v6_connect+0x134a/0x1d40 net/ipv6/tcp_ipv6.c:240 __inet_stream_connect+0x2d3/0x1760 net/ipv4/af_inet.c:677 inet_stream_connect+0x69/0xd0 net/ipv4/af_inet.c:748 __sys_connect_file net/socket.c:2038 [inline] __sys_connect+0x523/0x680 net/socket.c:2057 __do_sys_connect net/socket.c:2063 [inline] __se_sys_connect net/socket.c:2060 [inline] __x64_sys_connect+0x95/0x100 net/socket.c:2060 x64_sys_call+0x23bb/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable tmp.i.i created at: xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2491 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2570 [inline] xfrm_resolve_and_create_bundle+0x3a7/0x58b0 net/xfrm/xfrm_policy.c:2868 xfrm_lookup_with_ifid+0x48c/0x3ac0 net/xfrm/xfrm_policy.c:3202 CPU: 1 UID: 0 PID: 11691 Comm: syz.5.1451 Not tainted 6.15.0-rc6-syzkaller-00278-g172a9d94339c #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/05/17 19:07	upstream	172a9d94339c	f41472b0	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-kmsan-gce-root	KMSAN: uninit-value in xfrm_state_find

Crashes (1):

Assets (help?)