================================================================== 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 should_watch kernel/kcsan/core.c:280 [inline] check_access kernel/kcsan/core.c:752 [inline] __tsan_read8+0x114/0x180 kernel/kcsan/core.c:1025 vmf_can_call_fault mm/memory.c:3205 [inline] do_read_fault mm/memory.c:4917 [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+0x110d/0x2a80 mm/memory.c:5689 faultin_page mm/gup.c:1290 [inline] __get_user_pages+0x49d/0xf10 mm/gup.c:1589 populate_vma_page_range mm/gup.c:2029 [inline] __mm_populate+0x25b/0x3b0 mm/gup.c:2132 mm_populate include/linux/mm.h:3469 [inline] vm_mmap_pgoff+0x1d6/0x290 mm/util.c:578 ksys_mmap_pgoff+0xd0/0x340 mm/mmap.c:1443 x64_sys_call+0x1835/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:10 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 read to 0xffffffff860079c0 of 8 bytes by task 4777 on cpu 0: mem_cgroup_flush_stats_ratelimited+0x29/0x100 mm/memcontrol.c:906 count_shadow_nodes+0x6b/0x230 mm/workingset.c:685 do_shrink_slab+0x5a/0x690 mm/shrinker.c:382 shrink_slab_memcg mm/shrinker.c:548 [inline] shrink_slab+0x4ed/0x860 mm/shrinker.c:626 shrink_node_memcgs mm/vmscan.c:5891 [inline] shrink_node+0xa0d/0x13c0 mm/vmscan.c:5924 shrink_zones mm/vmscan.c:6168 [inline] do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6230 try_to_free_mem_cgroup_pages+0x1eb/0x4e0 mm/vmscan.c:6545 try_charge_memcg+0x27a/0xcd0 mm/memcontrol.c:2944 obj_cgroup_charge_pages+0xbd/0x1d0 mm/memcontrol.c:3416 __memcg_kmem_charge_page+0x9d/0x170 mm/memcontrol.c:3442 __alloc_pages_noprof+0x1bc/0x360 mm/page_alloc.c:4700 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] vm_area_alloc_pages mm/vmalloc.c:3577 [inline] __vmalloc_area_node mm/vmalloc.c:3651 [inline] __vmalloc_node_range_noprof+0x6c2/0xef0 mm/vmalloc.c:3832 __bpf_map_area_alloc kernel/bpf/syscall.c:307 [inline] bpf_map_area_alloc+0xd8/0x110 kernel/bpf/syscall.c:314 bloom_map_alloc+0x1a9/0x2a0 kernel/bpf/bloom_filter.c:146 map_create+0x83c/0xb90 kernel/bpf/syscall.c:1333 __sys_bpf+0x667/0x7a0 kernel/bpf/syscall.c:5670 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline] __se_sys_bpf kernel/bpf/syscall.c:5793 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5793 x64_sys_call+0x2655/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:322 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: 0x00000001000093f7 -> 0x00000001000093f8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4777 Comm: syz.2.10413 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================