================================================================== BUG: KCSAN: data-race in hrtimer_interrupt / print_tickdevice write to 0xffff888237d1bf18 of 8 bytes by interrupt on cpu 1: hrtimer_interrupt+0x7d/0x7b0 kernel/time/hrtimer.c:1790 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x73/0x210 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x31/0x80 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 read to 0xffff888237d1bf18 of 8 bytes by task 638 on cpu 0: print_tickdevice+0x144/0x340 kernel/time/timer_list.c:204 timer_list_show+0x79/0x180 kernel/time/timer_list.c:296 traverse+0x142/0x3a0 fs/seq_file.c:111 seq_read_iter+0x804/0x8f0 fs/seq_file.c:195 proc_reg_read_iter+0x10e/0x180 fs/proc/inode.c:305 do_iter_read+0x4b1/0x760 fs/read_write.c:795 vfs_readv fs/read_write.c:915 [inline] do_preadv+0x159/0x230 fs/read_write.c:1007 __do_sys_preadv fs/read_write.c:1057 [inline] __se_sys_preadv fs/read_write.c:1052 [inline] __x64_sys_preadv+0x58/0x60 fs/read_write.c:1052 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: 0x000002af8799e65f -> 0x7fffffffffffffff Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 638 Comm: syz-executor.5 Not tainted 6.4.0-rc6-syzkaller-00279-g8c1f0c38b310 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ==================================================================