syzbot
KCSAN: data-race in can_rcv_filter / can_rcv_filter (3)
Status: auto-closed as invalid on 2022/01/19 00:57
Subsystems:
can
[Documentation on labels]
First crash: 1687d, last: 1687d
Sample crash report:
==================================================================
BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter
write to 0xffff88813360d9c8 of 8 bytes by interrupt on cpu 1:
deliver net/can/af_can.c:575 [inline]
can_rcv_filter+0x402/0x520 net/can/af_can.c:635
can_receive+0x1a2/0x220 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:5465 [inline]
__netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5579
process_backlog+0x23f/0x3e0 net/core/dev.c:6455
__napi_poll+0x65/0x3f0 net/core/dev.c:7023
napi_poll net/core/dev.c:7090 [inline]
net_rx_action+0x29e/0x650 net/core/dev.c:7177
__do_softirq+0x158/0x2de kernel/softirq.c:558
run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921
smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164
kthread+0x2c7/0x2e0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
read to 0xffff88813360d9c8 of 8 bytes by interrupt on cpu 0:
deliver net/can/af_can.c:575 [inline]
can_rcv_filter+0x3f3/0x520 net/can/af_can.c:635
can_receive+0x1a2/0x220 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:5465 [inline]
__netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5579
process_backlog+0x23f/0x3e0 net/core/dev.c:6455
__napi_poll+0x65/0x3f0 net/core/dev.c:7023
napi_poll net/core/dev.c:7090 [inline]
net_rx_action+0x29e/0x650 net/core/dev.c:7177
__do_softirq+0x158/0x2de kernel/softirq.c:558
run_ksoftirqd+0x1f/0x30 kernel/softirq.c:921
smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164
kthread+0x2c7/0x2e0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
value changed: 0x000000000000014c -> 0x0000000000000150
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 12 Comm: ksoftirqd/0 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
sd 0:0:1:0: tag#8020 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8020 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8020 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8020 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8020 CDB[20]: ba
sd 0:0:1:0: tag#8062 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8062 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8062 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8062 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8062 CDB[20]: ba
sd 0:0:1:0: tag#8059 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8059 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8059 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8059 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8059 CDB[20]: ba
sd 0:0:1:0: tag#8004 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8004 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8004 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8004 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8004 CDB[20]: ba
* Struck through repros no longer work on HEAD.