================================================================== 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 1: 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+0x6e/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:409 [inline] batadv_nc_worker+0x9a/0xac0 net/batman-adv/network-coding.c:719 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3329 worker_thread+0x526/0x720 kernel/workqueue.c:3409 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read to 0xffffffff860079c0 of 8 bytes by task 9183 on cpu 0: 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 do_async_mmap_readahead mm/filemap.c:3203 [inline] filemap_fault+0x2d3/0xa60 mm/filemap.c:3299 __do_fault+0xb6/0x200 mm/memory.c:4556 do_read_fault mm/memory.c:4921 [inline] do_fault mm/memory.c:5051 [inline] do_pte_missing mm/memory.c:3897 [inline] handle_pte_fault mm/memory.c:5381 [inline] __handle_mm_fault mm/memory.c:5524 [inline] handle_mm_fault+0xdeb/0x2a80 mm/memory.c:5689 faultin_page mm/gup.c:1290 [inline] __get_user_pages+0x49d/0xf10 mm/gup.c:1589 __get_user_pages_locked mm/gup.c:1857 [inline] get_dump_page+0xb8/0x1b0 mm/gup.c:2375 dump_user_range+0xc6/0x550 fs/coredump.c:952 elf_core_dump+0x1aeb/0x1c30 fs/binfmt_elf.c:2083 do_coredump+0xff6/0x1860 fs/coredump.c:767 get_signal+0xdc1/0x1080 kernel/signal.c:2894 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x59/0x130 kernel/entry/common.c:218 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000ffffbdbd -> 0x00000000ffffbdbe Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 9183 Comm: syz.1.1317 Tainted: G W 6.10.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================