================================================================== 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 11941 on cpu 0: print_tickdevice+0x144/0x340 kernel/time/timer_list.c:204 timer_list_show+0x79/0x180 kernel/time/timer_list.c:296 seq_read_iter+0x612/0x8f0 fs/seq_file.c:272 proc_reg_read_iter+0x10e/0x180 fs/proc/inode.c:305 call_read_iter include/linux/fs.h:1862 [inline] generic_file_splice_read+0xe3/0x290 fs/splice.c:419 do_splice_to fs/splice.c:902 [inline] splice_direct_to_actor+0x25a/0x5f0 fs/splice.c:973 do_splice_direct+0x104/0x180 fs/splice.c:1082 do_sendfile+0x3b8/0x950 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 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: 0x000000eaf8ebea4e -> 0x7fffffffffffffff Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 11941 Comm: syz-executor.0 Not tainted 6.4.0-rc3-syzkaller-00032-g933174ae28ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 ==================================================================