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KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one (4)

Status: auto-obsoleted due to no activity on 2022/12/17 00:46
Subsystems: can
[Documentation on labels]
First crash: 530d, last: 530d
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one (3) can 3 574d 601d 0/26 auto-obsoleted due to no activity on 2022/11/02 20:30
upstream KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one can 2 1549d 1573d 0/26 auto-closed as invalid on 2020/04/06 17:55
upstream KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one (2) can 2 759d 757d 0/26 auto-closed as invalid on 2022/05/02 01:04

Sample crash report:
vcan0: j1939_xtp_rx_dat_one: 0xffff88813fdf1200: last 00
==================================================================
BUG: KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one

write to 0xffff88813fdf12ac of 4 bytes by interrupt on cpu 0:
 j1939_xtp_rx_dat_one+0x47d/0x9c0 net/can/j1939/transport.c:1883
 j1939_xtp_rx_dat net/can/j1939/transport.c:1937 [inline]
 j1939_tp_recv+0x24c/0xa20 net/can/j1939/transport.c:2131
 j1939_can_recv+0x454/0x540 net/can/j1939/main.c:112
 deliver net/can/af_can.c:573 [inline]
 can_rcv_filter+0x234/0x4e0 net/can/af_can.c:607
 can_receive+0x182/0x1f0 net/can/af_can.c:664
 can_rcv+0x9e/0x130 net/can/af_can.c:688
 __netif_receive_skb_one_core net/core/dev.c:5489 [inline]
 __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5603
 process_backlog+0x23f/0x3b0 net/core/dev.c:5931
 __napi_poll+0x65/0x390 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x37e/0x730 net/core/dev.c:6676
 __do_softirq+0xf2/0x2c7 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 arch/x86/entry/entry_64.S:306

read to 0xffff88813fdf12ac of 4 bytes by interrupt on cpu 1:
 j1939_xtp_rx_dat_one+0x205/0x9c0 net/can/j1939/transport.c:1843
 j1939_xtp_rx_dat net/can/j1939/transport.c:1937 [inline]
 j1939_tp_recv+0x24c/0xa20 net/can/j1939/transport.c:2131
 j1939_can_recv+0x454/0x540 net/can/j1939/main.c:112
 deliver net/can/af_can.c:573 [inline]
 can_rcv_filter+0x234/0x4e0 net/can/af_can.c:607
 can_receive+0x182/0x1f0 net/can/af_can.c:664
 can_rcv+0x9e/0x130 net/can/af_can.c:688
 __netif_receive_skb_one_core net/core/dev.c:5489 [inline]
 __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5603
 process_backlog+0x23f/0x3b0 net/core/dev.c:5931
 __napi_poll+0x65/0x390 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x37e/0x730 net/core/dev.c:6676
 __do_softirq+0xf2/0x2c7 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 arch/x86/entry/entry_64.S:306

value changed: 0x000000d3 -> 0x000000d4

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G        W          6.1.0-rc4-syzkaller-00294-geb037f16f7e8-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
==================================================================
vcan0: j1939_xtp_rx_dat_one: 0xffff88813fdf1200: should have been completed
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff88813f8cde00: last 14
vcan0: j1939_xtp_rx_dat_one: 0xffff888140efea00: last 14
vcan0: j1939_xtp_rx_abort_one: 0xffff88813f8cde00: 0x00000: (5) Maximal retransmit request limit reached
vcan0: j1939_xtp_rx_abort_one: 0xffff888140efea00: 0x00000: (5) Maximal retransmit request limit reached
vcan0: j1939_xtp_rx_dat: no tx connection found
vcan0: j1939_tp_rxtimer: 0xffff88813fdffe00: rx timeout, send abort
vcan0: j1939_xtp_rx_abort_one: 0xffff8881403db800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.
vcan0: j1939_xtp_rx_abort_one: 0xffff888103bad200: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.
vcan0: j1939_xtp_rx_abort_one: 0xffff88813fde3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.
vcan0: j1939_tp_rxtimer: 0xffff88813fdffe00: abort rx timeout. Force session deactivation
vcan0: j1939_tp_rxtimer: 0xffff8881465cb400: rx timeout, send abort
vcan0: j1939_tp_rxtimer: 0xffff8881465cb600: rx timeout, send abort
vcan0: j1939_xtp_rx_abort_one: 0xffff8881465cb400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.
vcan0: j1939_xtp_rx_abort_one: 0xffff8881465cb600: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/12 00:44 upstream eb037f16f7e8 f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in j1939_xtp_rx_dat_one / j1939_xtp_rx_dat_one
* Struck through repros no longer work on HEAD.