================================================================== BUG: KCSAN: data-race in hrtimer_interrupt / print_tickdevice write to 0xffff888237d1aed8 of 8 bytes by interrupt on cpu 1: hrtimer_interrupt+0xa7/0xa70 kernel/time/hrtimer.c:1790 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline] __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 native_irq_enable arch/x86/include/asm/irqflags.h:45 [inline] arch_local_irq_enable arch/x86/include/asm/irqflags.h:80 [inline] net_rx_action+0x15d/0x730 net/core/dev.c:6662 __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 0xffff888237d1aed8 of 8 bytes by task 29020 on cpu 0: print_tickdevice+0x158/0x370 kernel/time/timer_list.c:204 timer_list_show+0x74/0x180 kernel/time/timer_list.c:296 seq_read_iter+0x676/0x8e0 fs/seq_file.c:272 proc_reg_read_iter+0xfa/0x170 fs/proc/inode.c:305 call_read_iter include/linux/fs.h:2185 [inline] generic_file_splice_read+0xde/0x2b0 fs/splice.c:309 do_splice_to fs/splice.c:793 [inline] splice_direct_to_actor+0x26c/0x620 fs/splice.c:865 do_splice_direct+0xfb/0x180 fs/splice.c:974 do_sendfile+0x3bf/0x910 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 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 value changed: 0x000001a1d269451a -> 0x000001a1d2a619aa Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 29020 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller-00326-g77c51ba552a1-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================