================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100cd6e78 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xc7/0x490 net/can/af_can.c:599 can_receive+0x116/0x1f0 net/can/af_can.c:659 canfd_rcv+0xe7/0x180 net/can/af_can.c:702 __netif_receive_skb_one_core net/core/dev.c:5480 [inline] __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5594 process_backlog+0x21f/0x380 net/core/dev.c:5922 __napi_poll+0x60/0x3b0 net/core/dev.c:6483 napi_poll net/core/dev.c:6550 [inline] net_rx_action+0x31a/0x6c0 net/core/dev.c:6660 __do_softirq+0xc1/0x265 kernel/softirq.c:571 run_ksoftirqd+0x17/0x20 kernel/softirq.c:934 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164 kthread+0x1a6/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 read-write to 0xffff888100cd6e78 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xc7/0x490 net/can/af_can.c:599 can_receive+0x116/0x1f0 net/can/af_can.c:659 canfd_rcv+0xe7/0x180 net/can/af_can.c:702 __netif_receive_skb_one_core net/core/dev.c:5480 [inline] __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5594 process_backlog+0x21f/0x380 net/core/dev.c:5922 __napi_poll+0x60/0x3b0 net/core/dev.c:6483 napi_poll net/core/dev.c:6550 [inline] net_rx_action+0x31a/0x6c0 net/core/dev.c:6660 __do_softirq+0xc1/0x265 kernel/softirq.c:571 run_ksoftirqd+0x17/0x20 kernel/softirq.c:934 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164 kthread+0x1a6/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 value changed: 0x00000000000006f1 -> 0x00000000000006f2 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12 Comm: ksoftirqd/0 Not tainted 6.3.0-rc7-syzkaller-00043-gaf67688dca57 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 ==================================================================