================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read to 0xffff88813b5b1e78 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x3f3/0x520 net/can/af_can.c:635 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:5465 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5579 process_backlog+0x23f/0x3e0 net/core/dev.c:6455 __napi_poll+0x65/0x3f0 net/core/dev.c:7023 napi_poll net/core/dev.c:7090 [inline] net_rx_action+0x29e/0x650 net/core/dev.c:7177 __do_softirq+0x158/0x2de kernel/softirq.c:558 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 write to 0xffff88813b5b1e78 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x402/0x520 net/can/af_can.c:635 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:5465 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5579 process_backlog+0x23f/0x3e0 net/core/dev.c:6455 __napi_poll+0x65/0x3f0 net/core/dev.c:7023 napi_poll net/core/dev.c:7090 [inline] net_rx_action+0x29e/0x650 net/core/dev.c:7177 __do_softirq+0x158/0x2de kernel/softirq.c:558 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 value changed: 0x0000000000000212 -> 0x0000000000000217 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================