================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88810c832410 of 8 bytes by interrupt on cpu 0: can_send+0x562/0x5d0 net/can/af_can.c:289 bcm_can_tx+0x314/0x420 net/can/bcm.c:314 bcm_tx_timeout_handler+0xdb/0x260 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0xe4/0x2c0 kernel/time/hrtimer.c:1770 handle_softirqs+0xc3/0x280 kernel/softirq.c:554 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88810c832410 of 8 bytes by interrupt on cpu 1: can_send+0x562/0x5d0 net/can/af_can.c:289 bcm_can_tx+0x314/0x420 net/can/bcm.c:314 bcm_tx_timeout_handler+0xdb/0x260 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0xe4/0x2c0 kernel/time/hrtimer.c:1770 handle_softirqs+0xc3/0x280 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0x3e/0x90 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x37/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 value changed: 0x0000000000000b3d -> 0x0000000000000b3e Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 15744 Comm: syz.0.3930 Not tainted 6.11.0-rc3-syzkaller-00338-gc3f2d783a459 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================