================================================================== BUG: KCSAN: data-race in clockevents_program_event / print_tickdevice write to 0xffff888237d1aed8 of 8 bytes by interrupt on cpu 1: clockevents_program_event+0x30/0x1e0 kernel/time/clockevents.c:313 tick_program_event+0x84/0xd0 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x840/0xa70 kernel/time/hrtimer.c:1824 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 number+0xbb1/0xbe0 lib/vsprintf.c:565 vsnprintf+0xa5e/0xe80 lib/vsprintf.c:2866 seq_vprintf+0x71/0xd0 fs/seq_file.c:391 SEQ_printf+0x87/0xc0 kernel/time/timer_list.c:38 print_cpu+0x4c0/0x680 kernel/time/timer_list.c:156 timer_list_show+0x114/0x180 kernel/time/timer_list.c:291 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:2193 [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 read to 0xffff888237d1aed8 of 8 bytes by task 20843 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:2193 [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: 0x7fffffffffffffff -> 0x0000024998f92dc3 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 20843 Comm: syz-executor.3 Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================