================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 read-write to 0xffffffff860079c0 of 8 bytes by interrupt on cpu 0: tick_do_update_jiffies64+0x112/0x1b0 kernel/time/tick-sched.c:118 tick_sched_do_timer kernel/time/tick-sched.c:232 [inline] tick_nohz_handler+0x7c/0x2d0 kernel/time/tick-sched.c:290 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x210/0x7b0 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x32/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 read to 0xffffffff860079c0 of 8 bytes by task 23681 on cpu 1: mem_cgroup_flush_stats_ratelimited+0x29/0x100 mm/memcontrol.c:906 workingset_test_recent+0x114/0x410 mm/workingset.c:473 workingset_refault+0x1e9/0x460 mm/workingset.c:561 filemap_add_folio+0x116/0x1b0 mm/filemap.c:985 page_cache_ra_unbounded+0x148/0x2e0 mm/readahead.c:252 do_page_cache_ra mm/readahead.c:303 [inline] page_cache_ra_order mm/readahead.c:547 [inline] ondemand_readahead+0x542/0x6b0 mm/readahead.c:669 page_cache_async_ra+0x94/0xa0 mm/readahead.c:718 filemap_readahead mm/filemap.c:2504 [inline] filemap_get_pages+0x398/0xfb0 mm/filemap.c:2545 filemap_read+0x21c/0x690 mm/filemap.c:2625 generic_file_read_iter+0x78/0x340 mm/filemap.c:2806 ext4_file_read_iter+0x1d8/0x2a0 do_iter_readv_writev+0x339/0x3e0 vfs_readv+0x1e5/0x660 fs/read_write.c:932 do_preadv fs/read_write.c:1049 [inline] __do_sys_preadv fs/read_write.c:1099 [inline] __se_sys_preadv fs/read_write.c:1094 [inline] __x64_sys_preadv+0x100/0x1c0 fs/read_write.c:1094 x64_sys_call+0x1d82/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:296 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000100008a83 -> 0x0000000100008a84 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 23681 Comm: syz.3.6730 Tainted: G W 6.10.0-rc6-syzkaller-00051-g1dfe225e9af5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================