================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 read-write to 0xffffffff85a079c0 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:211 [inline] tick_nohz_highres_handler+0x7b/0x2c0 kernel/time/tick-sched.c:1509 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x217/0x700 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1814 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+0x68/0x80 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 __sanitizer_cov_trace_pc+0x0/0x60 folio_referenced_one+0x2b3/0x6b0 mm/rmap.c:862 rmap_walk_file+0x273/0x3b0 mm/rmap.c:2546 rmap_walk mm/rmap.c:2564 [inline] folio_referenced+0x1b8/0x260 mm/rmap.c:960 folio_check_references mm/vmscan.c:829 [inline] shrink_folio_list+0x68b/0x2540 mm/vmscan.c:1160 shrink_inactive_list mm/vmscan.c:1913 [inline] shrink_list mm/vmscan.c:2154 [inline] shrink_lruvec+0xd80/0x17a0 mm/vmscan.c:5626 shrink_node_memcgs mm/vmscan.c:5812 [inline] shrink_node+0xab3/0x15c0 mm/vmscan.c:5847 kswapd_shrink_node mm/vmscan.c:6638 [inline] balance_pgdat mm/vmscan.c:6828 [inline] kswapd+0xd4c/0x1590 mm/vmscan.c:7088 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read to 0xffffffff85a079c0 of 8 bytes by task 3070 on cpu 0: mem_cgroup_flush_stats_ratelimited+0x24/0x100 mm/memcontrol.c:672 workingset_refault+0x54/0x460 mm/workingset.c:523 filemap_add_folio+0xed/0x160 mm/filemap.c:951 page_cache_ra_unbounded+0x15e/0x2e0 mm/readahead.c:250 do_page_cache_ra mm/readahead.c:299 [inline] page_cache_ra_order+0xd5/0xf0 mm/readahead.c:546 do_sync_mmap_readahead+0x410/0x450 mm/filemap.c:3141 filemap_fault+0x426/0xc30 mm/filemap.c:3233 __do_fault mm/memory.c:4265 [inline] do_read_fault mm/memory.c:4628 [inline] do_fault mm/memory.c:4762 [inline] do_pte_missing mm/memory.c:3730 [inline] handle_pte_fault mm/memory.c:5038 [inline] __handle_mm_fault mm/memory.c:5179 [inline] handle_mm_fault+0x13bd/0x2dd0 mm/memory.c:5344 do_user_addr_fault arch/x86/mm/fault.c:1364 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x3ff/0x6c0 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 value changed: 0x000000010001c1e1 -> 0x000000010001c1e2 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3070 Comm: syz-fuzzer Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 ==================================================================