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================================================================== 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
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/12/15 00:51 | upstream | 5472f14a3742 | f752fb53 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in can_rcv_filter / can_rcv_filter | |||
2021/12/14 09:31 | upstream | 5472f14a3742 | 5d14b1ea | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in can_rcv_filter / can_rcv_filter |