================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats / tick_do_update_jiffies64 read-write to 0xffffffff85c079c0 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:199 [inline] tick_sched_timer+0x7e/0x2d0 kernel/time/tick-sched.c:1473 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline] hrtimer_interrupt+0x36e/0xa70 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 __rcu_read_unlock+0x0/0x70 kernel/rcu/tree_plugin.h:406 rcu_read_unlock include/linux/rcupdate.h:738 [inline] mod_memcg_page_state include/linux/memcontrol.h:985 [inline] __vunmap+0x60b/0x750 mm/vmalloc.c:2691 __vfree mm/vmalloc.c:2744 [inline] __vmalloc_area_node mm/vmalloc.c:3079 [inline] __vmalloc_node_range+0xdfd/0xef0 mm/vmalloc.c:3196 __bpf_map_area_alloc kernel/bpf/syscall.c:332 [inline] bpf_map_area_alloc+0xbc/0xd0 kernel/bpf/syscall.c:339 bloom_map_alloc+0x229/0x370 kernel/bpf/bloom_filter.c:145 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x38a/0x6f0 kernel/bpf/syscall.c:1102 __sys_bpf+0x296/0x630 kernel/bpf/syscall.c:4936 __do_sys_bpf kernel/bpf/syscall.c:5058 [inline] __se_sys_bpf kernel/bpf/syscall.c:5056 [inline] __x64_sys_bpf+0x3f/0x50 kernel/bpf/syscall.c:5056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffffffff85c079c0 of 8 bytes by task 11177 on cpu 1: __mem_cgroup_flush_stats mm/memcontrol.c:648 [inline] mem_cgroup_flush_stats+0x7f/0x110 mm/memcontrol.c:657 shrink_node+0x306/0x1180 mm/vmscan.c:3209 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:3542 do_try_to_free_pages+0x195/0x740 mm/vmscan.c:3601 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:3916 try_charge_memcg+0x2ed/0xa40 mm/memcontrol.c:2627 obj_cgroup_charge_pages mm/memcontrol.c:3040 [inline] __memcg_kmem_charge_page+0x2e4/0x480 mm/memcontrol.c:3066 __alloc_pages+0x1c1/0x340 mm/page_alloc.c:5532 alloc_pages+0x3f4/0x4f0 vm_area_alloc_pages mm/vmalloc.c:2958 [inline] __vmalloc_area_node mm/vmalloc.c:3026 [inline] __vmalloc_node_range+0x730/0xef0 mm/vmalloc.c:3196 __bpf_map_area_alloc kernel/bpf/syscall.c:332 [inline] bpf_map_area_alloc+0xbc/0xd0 kernel/bpf/syscall.c:339 bloom_map_alloc+0x229/0x370 kernel/bpf/bloom_filter.c:145 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x38a/0x6f0 kernel/bpf/syscall.c:1102 __sys_bpf+0x296/0x630 kernel/bpf/syscall.c:4936 __do_sys_bpf kernel/bpf/syscall.c:5058 [inline] __se_sys_bpf kernel/bpf/syscall.c:5056 [inline] __x64_sys_bpf+0x3f/0x50 kernel/bpf/syscall.c:5056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000100001955 -> 0x0000000100001956 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11177 Comm: syz-executor.2 Not tainted 5.19.0-syzkaller-13322-gd4252071b97d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 ================================================================== syz-executor.2 (11177) used greatest stack depth: 10960 bytes left