vcan0: j1939_xtp_rx_abort_one: 0xffff8881394ec200: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888139b853d8 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x244/0x4e0 net/can/af_can.c:608 can_receive+0x182/0x1f0 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:5484 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5598 process_backlog+0x23f/0x3b0 net/core/dev.c:5926 __napi_poll+0x65/0x390 net/core/dev.c:6492 napi_poll net/core/dev.c:6559 [inline] net_rx_action+0x37e/0x730 net/core/dev.c:6670 __do_softirq+0x158/0x2e3 kernel/softirq.c:571 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:934 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 read-write to 0xffff888139b853d8 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:575 [inline] can_rcv_filter+0x244/0x4e0 net/can/af_can.c:608 can_receive+0x182/0x1f0 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:5484 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5598 process_backlog+0x23f/0x3b0 net/core/dev.c:5926 __napi_poll+0x65/0x390 net/core/dev.c:6492 napi_poll net/core/dev.c:6559 [inline] net_rx_action+0x37e/0x730 net/core/dev.c:6670 __do_softirq+0x158/0x2e3 kernel/softirq.c:571 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:934 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x000000000000195f -> 0x0000000000001960 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G W 5.19.0-rc7-syzkaller-00199-g515f71412bb7-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 ================================================================== vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_tp_rxtimer: 0xffff8881394e2000: rx timeout, send abort vcan0: j1939_tp_rxtimer: 0xffff8881394a1800: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0xffff888139da8000: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0xffff88813fe59c00: rx timeout, send abort vcan0: j1939_tp_rxtimer: 0xffff888140082e00: rx timeout, send abort vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_abort_one: 0xffff8881394e2000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0xffff8881394da800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0xffff888140082e00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0xffff8881394da400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0xffff8881390f5200: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0xffff88813fe59c00: abort rx timeout. Force session deactivation