================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats / tick_do_update_jiffies64 read-write to 0xffffffff85a079c0 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: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 rcu_preempt_read_enter kernel/rcu/tree_plugin.h:379 [inline] __rcu_read_lock+0x2b/0x50 kernel/rcu/tree_plugin.h:402 rcu_read_lock include/linux/rcupdate.h:745 [inline] mod_memcg_page_state include/linux/memcontrol.h:1004 [inline] __vmalloc_area_node mm/vmalloc.c:3147 [inline] __vmalloc_node_range+0x9c5/0xea0 mm/vmalloc.c:3320 kvmalloc_node+0x121/0x160 mm/util.c:642 kvmalloc include/linux/slab.h:738 [inline] xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1192 do_replace net/ipv6/netfilter/ip6_tables.c:1139 [inline] do_ip6t_set_ctl+0x633/0x17f0 net/ipv6/netfilter/ip6_tables.c:1636 nf_setsockopt+0x18d/0x1b0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x11c/0x130 net/ipv6/ipv6_sockglue.c:1005 udpv6_setsockopt+0x95/0xa0 net/ipv6/udp.c:1694 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3711 do_sock_setsockopt net/socket.c:2311 [inline] __sys_setsockopt+0x1d4/0x240 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffffffff85a079c0 of 8 bytes by task 10833 on cpu 1: do_flush_stats mm/memcontrol.c:656 [inline] mem_cgroup_flush_stats+0x5d/0xd0 mm/memcontrol.c:667 prepare_scan_control mm/vmscan.c:2225 [inline] shrink_node+0x304/0x15c0 mm/vmscan.c:5845 shrink_zones mm/vmscan.c:6086 [inline] do_try_to_free_pages+0x43d/0xce0 mm/vmscan.c:6148 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:6463 try_charge_memcg+0x280/0xd30 mm/memcontrol.c:2742 try_charge mm/memcontrol.c:2884 [inline] charge_memcg mm/memcontrol.c:7210 [inline] mem_cgroup_swapin_charge_folio+0x107/0x190 mm/memcontrol.c:7295 __read_swap_cache_async+0x2f6/0x550 mm/swap_state.c:490 swap_cluster_readahead+0x452/0x4c0 mm/swap_state.c:674 swapin_readahead+0xe9/0x7f0 mm/swap_state.c:878 do_swap_page+0x4a0/0x1670 mm/memory.c:3883 handle_pte_fault mm/memory.c:5041 [inline] __handle_mm_fault mm/memory.c:5179 [inline] handle_mm_fault+0xa36/0x2dd0 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: 0x00000000fffff99d -> 0x00000000fffff99e Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10833 Comm: syz-executor.3 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 ==================================================================