================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff888116e46d70 of 8 bytes by interrupt on cpu 1: can_send+0x5b6/0x6d0 net/can/af_can.c:291 bcm_can_tx+0x314/0x420 net/can/bcm.c:314 bcm_tx_timeout_handler+0xdb/0x260 __run_hrtimer kernel/time/hrtimer.c:1738 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1802 hrtimer_run_softirq+0xe4/0x2c0 kernel/time/hrtimer.c:1819 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888116e46d70 of 8 bytes by interrupt on cpu 0: can_send+0x5b6/0x6d0 net/can/af_can.c:291 bcm_can_tx+0x314/0x420 net/can/bcm.c:314 bcm_tx_timeout_handler+0xdb/0x260 __run_hrtimer kernel/time/hrtimer.c:1738 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1802 hrtimer_run_softirq+0xe4/0x2c0 kernel/time/hrtimer.c:1819 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000000004e8 -> 0x00000000000004e9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-syzkaller-05474-g113691ce9f32 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ==================================================================