syzbot

vcan0: j1939_xtp_rx_abort_one: 0x00000000a09ceec0: 0x00000: (5) Maximal retransmit request limit reached
vcan0: j1939_xtp_rx_abort_one: 0x00000000172f52c7: 0x00000: (5) Maximal retransmit request limit reached
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BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter

read to 0xffff8881209a3798 of 8 bytes by interrupt on cpu 1:
 deliver net/can/af_can.c:570 [inline]
 can_rcv_filter+0x107/0x5b0 net/can/af_can.c:596
 can_receive+0x152/0x230 net/can/af_can.c:656
 can_rcv+0xbd/0x120 net/can/af_can.c:686
 __netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5150
 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5264
 process_backlog+0x207/0x4b0 net/core/dev.c:6095
 napi_poll net/core/dev.c:6532 [inline]
 net_rx_action+0x3ae/0xa90 net/core/dev.c:6600
 __do_softirq+0x115/0x33f kernel/softirq.c:292
 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603
 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165
 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

write to 0xffff8881209a3798 of 8 bytes by interrupt on cpu 0:
 deliver net/can/af_can.c:570 [inline]
 can_rcv_filter+0x11d/0x5b0 net/can/af_can.c:596
 can_receive+0x152/0x230 net/can/af_can.c:656
 can_rcv+0xbd/0x120 net/can/af_can.c:686
 __netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5150
 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5264
 process_backlog+0x207/0x4b0 net/core/dev.c:6095
 napi_poll net/core/dev.c:6532 [inline]
 net_rx_action+0x3ae/0xa90 net/core/dev.c:6600
 __do_softirq+0x115/0x33f kernel/softirq.c:292
 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603
 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165
 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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