================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff888137e2e0e8 of 8 bytes by interrupt on cpu 0: can_receive+0x62/0x1f0 net/can/af_can.c:652 canfd_rcv+0x9e/0x170 net/can/af_can.c:722 __netif_receive_skb_one_core net/core/dev.c:5405 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5519 process_backlog+0x23f/0x3b0 net/core/dev.c:5847 __napi_poll+0x65/0x390 net/core/dev.c:6413 napi_poll net/core/dev.c:6480 [inline] net_rx_action+0x29e/0x650 net/core/dev.c:6567 __do_softirq+0x158/0x2e3 kernel/softirq.c:558 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 read-write to 0xffff888137e2e0e8 of 8 bytes by interrupt on cpu 1: can_receive+0x62/0x1f0 net/can/af_can.c:652 canfd_rcv+0x9e/0x170 net/can/af_can.c:722 __netif_receive_skb_one_core net/core/dev.c:5405 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5519 process_backlog+0x23f/0x3b0 net/core/dev.c:5847 __napi_poll+0x65/0x390 net/core/dev.c:6413 napi_poll net/core/dev.c:6480 [inline] net_rx_action+0x29e/0x650 net/core/dev.c:6567 __do_softirq+0x158/0x2e3 kernel/softirq.c:558 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x0000000000000e26 -> 0x0000000000000e27 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.18.0-rc2-syzkaller-00122-gb9b4c79e5830-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================