KASAN: stack-out-of-bounds Read in xfrm_state

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KASAN: stack-out-of-bounds Read in xfrm_state_find (3) net	C			10353	2719d	2786d	4/29	fixed on 2018/01/31 00:24
android-44	KASAN: stack-out-of-bounds Read in xfrm_state_find	C			842	2046d	2279d	0/2	public: reported C repro on 2019/04/12 00:00
android-54	KASAN: stack-out-of-bounds Read in xfrm_state_find	C			1	919d	919d	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	433d	919d	0/2	upstream: reported C repro on 2023/01/01 00:40
upstream	KASAN: stack-out-of-bounds Read in xfrm_state_find (5) net	C		done	654	2351d	2653d	13/29	fixed on 2019/11/11 16:48
upstream	KMSAN: uninit-value in xfrm_state_find net	C	error	done	215	780d	2579d	22/29	fixed on 2023/07/01 16:05
android-5-10	KASAN: stack-out-of-bounds Read in xfrm_state_find (2)	syz	error	error	1	919d	919d	0/2	auto-obsoleted due to no activity on 2023/05/14 02:28
upstream	KASAN: stack-out-of-bounds Read in xfrm_state_find net	C			365	2814d	2887d	0/29	closed as invalid on 2017/10/23 16:19
android-49	KASAN: stack-out-of-bounds Read in xfrm_state_find	C			4151	2379d	2890d	0/3	closed as invalid on 2019/01/01 20:10
android-414	KASAN: stack-out-of-bounds Read in xfrm_state_find	C			137	2353d	2280d	0/1	public: reported C repro on 2019/04/11 00:00
upstream	KASAN: stack-out-of-bounds Read in xfrm_state_find (2) net	C			93	2797d	2805d	3/29	fixed on 2017/11/18 01:42
android-49	KASAN: stack-out-of-bounds Read in xfrm_state_find (2)	C			392	2043d	2279d	0/3	public: reported C repro on 2019/04/11 08:44
upstream	KASAN: stack-out-of-bounds Read in xfrm_state_find (4) net	C			102	2663d	2714d	4/29	fixed on 2018/03/23 18:14
upstream	KMSAN: uninit-value in xfrm_state_find (2) net				19	454d	613d	0/29	auto-obsoleted due to no activity on 2024/07/18 11:50
upstream	KMSAN: uninit-value in xfrm_state_find (3) net				1	311d	311d	0/29	closed as invalid on 2024/10/09 09:35
upstream	KASAN: slab-out-of-bounds Read in xfrm_state_find net				10	69d	223d	28/29	fixed on 2025/05/06 15:33
upstream	KMSAN: uninit-value in xfrm_state_find (4) net				1	51d	47d	2/29	upstream: reported on 2025/05/21 19:14

================================================================== BUG: KASAN: stack-out-of-bounds in jhash2 include/linux/jhash.h:138 [inline] BUG: KASAN: stack-out-of-bounds in __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline] BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline] BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline] BUG: KASAN: stack-out-of-bounds in xfrm_dst_hash net/xfrm/xfrm_state.c:63 [inline] BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x40d7/0x4de0 net/xfrm/xfrm_state.c:1066 Read of size 4 at addr ffffc90000e57c78 by task syz-executor.5/18566 CPU: 1 PID: 18566 Comm: syz-executor.5 Tainted: G W 5.10.77-syzkaller-01258-g76698ea35fd3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 print_address_description+0x8d/0x3d0 mm/kasan/report.c:233 __kasan_report+0x142/0x220 mm/kasan/report.c:419 kasan_report+0x51/0x70 mm/kasan/report.c:436 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 jhash2 include/linux/jhash.h:138 [inline] __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline] __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline] __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline] xfrm_dst_hash net/xfrm/xfrm_state.c:63 [inline] xfrm_state_find+0x40d7/0x4de0 net/xfrm/xfrm_state.c:1066 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2394 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2439 [inline] xfrm_resolve_and_create_bundle+0x6a1/0x2d50 net/xfrm/xfrm_policy.c:2729 xfrm_bundle_lookup net/xfrm/xfrm_policy.c:2964 [inline] xfrm_lookup_with_ifid+0xa21/0x24b0 net/xfrm/xfrm_policy.c:3095 xfrm_lookup net/xfrm/xfrm_policy.c:3187 [inline] xfrm_lookup_route+0x3b/0x160 net/xfrm/xfrm_policy.c:3198 ip_route_output_flow+0x1f6/0x320 net/ipv4/route.c:2781 ip_route_output_ports include/net/route.h:169 [inline] ip4_datagram_release_cb+0x7f1/0xdc0 net/ipv4/datagram.c:119 release_sock+0xb7/0x1b0 net/core/sock.c:3097 ip4_datagram_connect+0x3a/0x50 net/ipv4/datagram.c:91 inet_dgram_connect+0x1d7/0x3d0 net/ipv4/af_inet.c:581 __sys_connect_file net/socket.c:1842 [inline] __sys_connect+0x387/0x410 net/socket.c:1859 __do_sys_connect net/socket.c:1869 [inline] __se_sys_connect net/socket.c:1866 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1866 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f53992feae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5397075188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f5399411f60 RCX: 00007f53992feae9 RDX: 0000000000000010 RSI: 0000000020000480 RDI: 0000000000000005 RBP: 00007f5399358f25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe83878b5f R14: 00007f5397075300 R15: 0000000000022000 addr ffffc90000e57c78 is located in stack of task syz-executor.5/18566 at offset 88 in frame: ip4_datagram_release_cb+0x0/0xdc0 net/ipv4/datagram.c:92 this frame has 1 object: [32, 88) 'fl4' Memory state around the buggy address: ffffc90000e57b00: f1 f1 f1 f1 00 00 00 00 00 00 f3 f3 f3 f3 f3 f3 ffffc90000e57b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc90000e57c00: 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00 00 00 f3 ^ ffffc90000e57c80: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90000e57d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================