================================================================== 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:1793 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x31/0x80 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 read to 0xffff888237d1bf18 of 8 bytes by task 6576 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+0x114/0x180 fs/proc/inode.c:302 call_read_iter include/linux/fs.h:2014 [inline] copy_splice_read+0x26b/0x4b0 fs/splice.c:364 vfs_splice_read fs/splice.c:993 [inline] splice_direct_to_actor+0x28c/0x690 fs/splice.c:1069 do_splice_direct+0x10d/0x190 fs/splice.c:1194 do_sendfile+0x3c4/0x980 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:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x000000c7bb2bac80 -> 0x000000c7bb3f9c00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6576 Comm: syz-executor.5 Not tainted 6.7.0-rc6-syzkaller-00303-g3f82f1c3a036 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ==================================================================