================================================================== BUG: KCSAN: data-race in can_receive / can_stat_update read to 0xffff8881225ddd68 of 8 bytes by interrupt on cpu 1: can_stat_update+0x444/0x6b0 net/can/proc.c:152 call_timer_fn+0x35/0x290 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x46c/0x650 kernel/time/timer.c:2022 run_timer_softirq+0x1d/0x40 kernel/time/timer.c:2035 __do_softirq+0xc1/0x265 kernel/softirq.c:571 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164 kthread+0x1d7/0x210 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 read-write to 0xffff8881225ddd68 of 8 bytes by interrupt on cpu 0: can_receive+0x62/0x1f0 net/can/af_can.c:650 canfd_rcv+0xe7/0x180 net/can/af_can.c:702 __netif_receive_skb_one_core net/core/dev.c:5491 [inline] __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5605 process_backlog+0x21f/0x380 net/core/dev.c:5933 __napi_poll+0x60/0x3b0 net/core/dev.c:6496 napi_poll net/core/dev.c:6563 [inline] net_rx_action+0x32b/0x750 net/core/dev.c:6696 __do_softirq+0xc1/0x265 kernel/softirq.c:571 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164 kthread+0x1d7/0x210 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 value changed: 0x00000000000007b9 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.4.0-rc2-syzkaller-00018-g4d6d4c7f541d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 ==================================================================