KCSAN: data-race in can_rcv_filter / can_rcv

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (13) can	6	4	155d	173d	0/29	auto-obsoleted due to no activity on 2025/12/11 20:38
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (11) can	6	5	385d	376d	0/29	auto-obsoleted due to no activity on 2025/04/25 09:54
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter can	6	3	2240d	2252d	0/29	auto-closed as invalid on 2020/04/11 00:08
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (12) can	6	7	253d	288d	0/29	auto-obsoleted due to no activity on 2025/09/04 19:07
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (9) can	6	9	663d	723d	0/29	auto-obsoleted due to no activity on 2024/06/30 06:15
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (8) can	6	9	989d	1106d	0/29	auto-obsoleted due to no activity on 2023/08/09 14:18
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (5) can	6	1	1412d	1412d	0/29	auto-closed as invalid on 2022/06/12 10:04
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (7) can	6	3	1181d	1212d	0/29	auto-obsoleted due to no activity on 2023/02/28 05:31
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (4) can	6	6	1448d	1514d	0/29	auto-closed as invalid on 2022/05/07 18:40
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (10) can	6	1	519d	519d	0/29	auto-obsoleted due to no activity on 2024/11/22 01:30
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (3) can	6	2	1557d	1557d	0/29	auto-closed as invalid on 2022/01/19 00:57
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (6) can	6	7	1258d	1335d	0/29	auto-obsoleted due to no activity on 2022/11/13 19:42
upstream	KCSAN: data-race in can_rcv_filter / can_rcv_filter (14) can	6	23	9d10h	96d	0/29	moderation: reported on 2025/12/15 00:20

vcan0: j1939_xtp_rx_dat_one: 0x00000000385e127b: last 00 vcan0: j1939_xtp_rx_dat_one: 0x00000000483d9028: last 00 ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter write to 0xffff88810235e108 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x26f/0x520 net/can/af_can.c:608 can_receive+0x1a2/0x220 net/can/af_can.c:665 can_rcv+0x9e/0x170 net/can/af_can.c:696 __netif_receive_skb_one_core net/core/dev.c:5365 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5479 process_backlog+0x23f/0x3e0 net/core/dev.c:6346 __napi_poll+0x77/0x510 net/core/dev.c:6892 napi_poll net/core/dev.c:6959 [inline] net_rx_action+0x29f/0x680 net/core/dev.c:7036 __do_softirq+0x13c/0x2c3 kernel/softirq.c:345 run_ksoftirqd+0x13/0x20 kernel/softirq.c:652 smpboot_thread_fn+0x34f/0x520 kernel/smpboot.c:165 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff88810235e108 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x260/0x520 net/can/af_can.c:608 can_receive+0x1a2/0x220 net/can/af_can.c:665 can_rcv+0x9e/0x170 net/can/af_can.c:696 __netif_receive_skb_one_core net/core/dev.c:5365 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5479 process_backlog+0x23f/0x3e0 net/core/dev.c:6346 __napi_poll+0x77/0x510 net/core/dev.c:6892 napi_poll net/core/dev.c:6959 [inline] net_rx_action+0x29f/0x680 net/core/dev.c:7036 __do_softirq+0x13c/0x2c3 kernel/softirq.c:345 run_ksoftirqd+0x13/0x20 kernel/softirq.c:652 smpboot_thread_fn+0x34f/0x520 kernel/smpboot.c:165 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================