================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100cd6068 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0x2d3/0x490 net/can/af_can.c:614 can_receive+0x182/0x1f0 net/can/af_can.c:663 canfd_rcv+0xe7/0x180 net/can/af_can.c:702 __netif_receive_skb_one_core net/core/dev.c:5479 [inline] __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5593 process_backlog+0x21f/0x380 net/core/dev.c:5921 __napi_poll+0x60/0x3b0 net/core/dev.c:6482 napi_poll net/core/dev.c:6549 [inline] net_rx_action+0x31a/0x6c0 net/core/dev.c:6659 __do_softirq+0xc1/0x265 kernel/softirq.c:571 run_ksoftirqd+0x17/0x20 kernel/softirq.c:934 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164 kthread+0x1a6/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 read-write to 0xffff888100cd6068 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0x2d3/0x490 net/can/af_can.c:614 can_receive+0x182/0x1f0 net/can/af_can.c:663 canfd_rcv+0xe7/0x180 net/can/af_can.c:702 __netif_receive_skb_one_core net/core/dev.c:5479 [inline] __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5593 process_backlog+0x21f/0x380 net/core/dev.c:5921 __napi_poll+0x60/0x3b0 net/core/dev.c:6482 napi_poll net/core/dev.c:6549 [inline] net_rx_action+0x31a/0x6c0 net/core/dev.c:6659 __do_softirq+0xc1/0x265 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x57/0xa0 kernel/softirq.c:650 sysvec_apic_timer_interrupt+0x6d/0x80 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 __sanitizer_cov_trace_pc+0x45/0x60 kernel/kcov.c:212 arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] static_key_false include/linux/jump_label.h:207 [inline] trace_hrtimer_init include/trace/events/timer.h:169 [inline] debug_init kernel/time/hrtimer.c:469 [inline] hrtimer_init+0x26/0x1f0 kernel/time/hrtimer.c:1592 perf_swevent_init_hrtimer kernel/events/core.c:11024 [inline] cpu_clock_event_init+0xe9/0x1e0 kernel/events/core.c:11101 perf_try_init_event+0xbf/0x2b0 kernel/events/core.c:11572 perf_init_event kernel/events/core.c:11649 [inline] perf_event_alloc+0xa22/0x16e0 kernel/events/core.c:11916 __do_sys_perf_event_open kernel/events/core.c:12423 [inline] __se_sys_perf_event_open+0x828/0x2140 kernel/events/core.c:12314 __x64_sys_perf_event_open+0x67/0x80 kernel/events/core.c:12314 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000000234 -> 0x0000000000000235 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8170 Comm: syz-executor.3 Not tainted 6.3.0-rc5-syzkaller-00022-g76f598ba7d8e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 ==================================================================