KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (4) net	6	2	1430d	1434d	0/29	auto-closed as invalid on 2022/07/31 19:25
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (2) net	6	1	1572d	1572d	0/29	auto-closed as invalid on 2022/03/11 07:39
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (7) net	6	1	965d	965d	25/29	fixed on 2023/12/21 01:43
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (6) net	6	12	1117d	1114d	0/29	auto-obsoleted due to no activity on 2023/06/09 19:15
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (5) net	6	1	1378d	1378d	0/29	auto-closed as invalid on 2022/09/21 19:30
upstream	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid (3) net	6	1	1484d	1484d	0/29	auto-closed as invalid on 2022/06/07 04:28

================================================================== BUG: KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid write to 0xffff88813683a908 of 8 bytes by task 1849 on cpu 1: xfrm_lookup_with_ifid+0x1029/0x1820 net/xfrm/xfrm_policy.c:3135 xfrm_lookup net/xfrm/xfrm_policy.c:3187 [inline] xfrm_lookup_route+0x37/0x100 net/xfrm/xfrm_policy.c:3198 ip6_dst_lookup_flow+0x94/0xc0 net/ipv6/ip6_output.c:1206 send6+0x238/0x3b0 drivers/net/wireguard/socket.c:139 wg_socket_send_skb_to_peer+0xbb/0x130 drivers/net/wireguard/socket.c:177 wg_socket_send_buffer_to_peer+0xf7/0x120 drivers/net/wireguard/socket.c:199 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline] wg_packet_handshake_send_worker+0x109/0x150 drivers/net/wireguard/send.c:51 process_one_work+0x3fc/0x980 kernel/workqueue.c:2298 worker_thread+0x616/0xa70 kernel/workqueue.c:2445 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 write to 0xffff88813683a908 of 8 bytes by task 25460 on cpu 0: xfrm_lookup_with_ifid+0x1029/0x1820 net/xfrm/xfrm_policy.c:3135 xfrm_lookup net/xfrm/xfrm_policy.c:3187 [inline] xfrm_lookup_route+0x37/0x100 net/xfrm/xfrm_policy.c:3198 ip6_dst_lookup_flow+0x94/0xc0 net/ipv6/ip6_output.c:1206 send6+0x238/0x3b0 drivers/net/wireguard/socket.c:139 wg_socket_send_skb_to_peer+0xbb/0x130 drivers/net/wireguard/socket.c:177 wg_socket_send_buffer_to_peer+0xf7/0x120 drivers/net/wireguard/socket.c:199 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline] wg_packet_handshake_send_worker+0x109/0x150 drivers/net/wireguard/send.c:51 process_one_work+0x3fc/0x980 kernel/workqueue.c:2298 worker_thread+0x616/0xa70 kernel/workqueue.c:2445 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 value changed: 0x0000000061b8e939 -> 0x0000000061b8e93a Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25460 Comm: kworker/u4:3 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker ==================================================================

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2021/12/14 18:58	upstream	5472f14a3742	d018dd31	.config	console log	report			info		ci2-upstream-kcsan-gce	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid
2021/12/04 18:17	upstream	bbef3c7a63d2	a617004c	.config	console log	report			info		ci2-upstream-kcsan-gce	KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_lookup_with_ifid

Crashes (2):

Assets (help?)