================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 read-write to 0xffffffff866089c0 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:1801 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1865 hrtimer_interrupt+0x235/0x4a0 kernel/time/hrtimer.c:1927 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x5c/0x1d0 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 console_flush_all+0x58e/0x790 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xb6/0x340 kernel/printk/printk.c:3309 vprintk_emit+0x408/0x690 kernel/printk/printk.c:2432 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x7a/0xa0 kernel/printk/printk.c:2457 __nla_validate_parse+0x189c/0x1e50 lib/nlattr.c:647 __nla_parse+0x40/0x60 lib/nlattr.c:732 nla_parse_nested_deprecated include/net/netlink.h:1342 [inline] nf_tables_expr_parse+0x76/0x4e0 net/netfilter/nf_tables_api.c:3344 nf_tables_newrule+0xcfc/0x1770 net/netfilter/nf_tables_api.c:4239 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:524 [inline] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline] nfnetlink_rcv+0xb3e/0x15d0 net/netfilter/nfnetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:733 ____sys_sendmsg+0x326/0x4b0 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x19d/0x230 net/socket.c:2659 __do_sys_sendmsg net/socket.c:2664 [inline] __se_sys_sendmsg net/socket.c:2662 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2662 x64_sys_call+0x2734/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:47 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 0xffffffff866089c0 of 8 bytes by task 20430 on cpu 0: mem_cgroup_flush_stats_ratelimited+0x29/0x70 mm/memcontrol.c:640 count_shadow_nodes+0x6b/0x230 mm/workingset.c:680 do_shrink_slab+0x5a/0x680 mm/shrinker.c:384 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x4ea/0x850 mm/shrinker.c:628 shrink_node_memcgs mm/vmscan.c:5953 [inline] shrink_node+0x63f/0x1d80 mm/vmscan.c:5992 shrink_zones mm/vmscan.c:6237 [inline] do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6299 try_to_free_mem_cgroup_pages+0x1e3/0x490 mm/vmscan.c:6631 try_charge_memcg+0x2bc/0x7f0 mm/memcontrol.c:2255 obj_cgroup_charge_pages+0xbd/0x1a0 mm/memcontrol.c:2636 __memcg_kmem_charge_page+0x9d/0x170 mm/memcontrol.c:2663 __alloc_frozen_pages_noprof+0x1bc/0x340 mm/page_alloc.c:4756 alloc_pages_mpol+0xb4/0x260 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0xe8/0x130 mm/mempolicy.c:2361 vm_area_alloc_pages mm/vmalloc.c:3591 [inline] __vmalloc_area_node mm/vmalloc.c:3669 [inline] __vmalloc_node_range_noprof+0x6e5/0xe70 mm/vmalloc.c:3846 __kvmalloc_node_noprof+0x121/0x170 mm/util.c:684 ip_set_alloc+0x1f/0x30 net/netfilter/ipset/ip_set_core.c:261 hash_netiface_create+0x273/0x730 net/netfilter/ipset/ip_set_hash_gen.h:1568 ip_set_create+0x3b1/0x970 net/netfilter/ipset/ip_set_core.c:1109 nfnetlink_rcv_msg+0x4a9/0x570 net/netfilter/nfnetlink.c:302 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2543 nfnetlink_rcv+0x16c/0x15d0 net/netfilter/nfnetlink.c:667 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:733 ____sys_sendmsg+0x326/0x4b0 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x19d/0x230 net/socket.c:2659 __do_sys_sendmsg net/socket.c:2664 [inline] __se_sys_sendmsg net/socket.c:2662 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2662 x64_sys_call+0x2734/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:47 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: 0x00000001000028eb -> 0x00000001000028ec Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 20430 Comm: syz.4.5305 Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ==================================================================