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================================================================== BUG: KCSAN: data-race in bcm_can_tx / bcm_tx_setup write to 0xffff88813ad9cb10 of 4 bytes by task 546 on cpu 0: bcm_tx_setup+0x745/0xdf0 net/can/bcm.c:997 bcm_sendmsg+0x17f/0x400 net/can/bcm.c:1351 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x38f/0x500 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x19a/0x230 net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2572 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813ad9cb10 of 4 bytes by interrupt on cpu 1: bcm_can_tx+0x32c/0x3f0 net/can/bcm.c:306 bcm_tx_timeout_handler+0xce/0x250 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline] hrtimer_run_softirq+0x1e9/0x480 kernel/time/hrtimer.c:1766 __do_softirq+0xf2/0x2c7 kernel/softirq.c:571 __irq_exit_rcu kernel/softirq.c:650 [inline] irq_exit_rcu+0x41/0x70 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 value changed: 0x0000008d -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1434 Comm: udevd Not tainted 6.1.0-rc4-syzkaller-00015-gf141df371335-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/09 13:13 | upstream | f141df371335 | 5fa28208 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | ||
2022/10/24 21:10 | upstream | 247f34f7b803 | faae2fda | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | ||
2022/10/23 22:42 | upstream | d47136c28015 | 23bf86af | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | ||
2022/10/10 08:40 | upstream | 4899a36f91a9 | aea5da89 | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | ||
2022/10/02 04:29 | upstream | ffb4d94b4314 | feb56351 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | |||
2022/09/16 14:42 | upstream | 3245cb65fd91 | dd9a85ff | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | ||
2022/08/22 05:51 | upstream | e3f259d33c0e | 26a13b38 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup | |||
2022/08/20 13:48 | upstream | 50cd95ac4654 | 26a13b38 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in bcm_can_tx / bcm_tx_setup |