================================================================== BUG: KCSAN: data-race in can_send / can_stat_update read-write to 0xffff8881248e7390 of 8 bytes by interrupt on cpu 1: can_send+0x540/0x5b0 net/can/af_can.c:289 bcm_can_tx+0x2f0/0x3f0 net/can/bcm.c:302 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 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 0xffff8881248e7390 of 8 bytes by interrupt on cpu 0: can_stat_update+0x36f/0x6c0 net/can/proc.c:147 call_timer_fn+0x2e/0x240 kernel/time/timer.c:1474 expire_timers+0x116/0x240 kernel/time/timer.c:1519 __run_timers+0x350/0x400 kernel/time/timer.c:1790 run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1803 __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+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:572 [inline] acpi_idle_enter+0x283/0x340 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x2de/0x960 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x1a7/0x250 kernel/sched/idle.c:303 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400 rest_init+0xe8/0xf0 init/main.c:729 start_kernel+0x0/0x660 init/main.c:890 start_kernel+0x5db/0x660 init/main.c:1145 secondary_startup_64_no_verify+0xcf/0xdb value changed: 0x00000000000059e9 -> 0x00000000000059ea Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc3-syzkaller-00280-g64c3dd0b98f5-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================