================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_delayed / tick_do_update_jiffies64 read-write to 0xffffffff85a079c0 of 8 bytes by interrupt on cpu 0: tick_do_update_jiffies64+0x112/0x1b0 tick_sched_timer+0x82/0x2c0 __hrtimer_run_queues+0x217/0x700 hrtimer_interrupt+0x224/0x7c0 __sysvec_apic_timer_interrupt+0xa7/0x250 sysvec_apic_timer_interrupt+0x3d/0xb0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 read to 0xffffffff85a079c0 of 8 bytes by task 3121 on cpu 1: mem_cgroup_flush_stats_delayed+0x38/0x140 workingset_refault+0x2b9/0x720 filemap_add_folio+0xe6/0x150 __filemap_get_folio+0x554/0x750 pagecache_get_page+0x2a/0xd0 __getblk_gfp+0x182/0x7e0 ext4_getblk+0x191/0x4e0 ext4_bread+0x2c/0x110 ext4_append+0x164/0x2a0 ext4_init_new_dir+0x17b/0x510 ext4_mkdir+0x312/0x740 vfs_mkdir+0x27d/0x380 do_mkdirat+0xf5/0x260 __x64_sys_mkdirat+0x50/0x60 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x000000010004ddd5 -> 0x000000010004ddd6 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3121 Comm: syz-executor.1 Not tainted 6.2.0-rc7-syzkaller-00002-gd2d11f342b17-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 ==================================================================