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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 arch/x86/include/asm/idtentry.h:649
 console_emit_next_record+0x5f1/0x650 kernel/printk/printk.c:2704
 console_unlock+0x1f1/0x420 kernel/printk/printk.c:2861
 vprintk_emit+0x103/0x430 kernel/printk/printk.c:2271
 vprintk_default+0x22/0x30 kernel/printk/printk.c:2282
 vprintk+0x7f/0x90 kernel/printk/printk_safe.c:50
 _printk+0x76/0x96 kernel/printk/printk.c:2292
 __nla_validate_parse+0x1491/0x1870 lib/nlattr.c:600
 __nla_parse+0x3c/0x50 lib/nlattr.c:685
 nla_parse_nested_deprecated include/net/netlink.h:1231 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3462 [inline]
 rtnl_newlink+0x42d/0x16a0 net/core/rtnetlink.c:3593
 rtnetlink_rcv_msg+0x811/0x8d0 net/core/rtnetlink.c:6090
 netlink_rcv_skb+0x13e/0x240 net/netlink/af_netlink.c:2501
 rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:6108
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x58a/0x660 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x666/0x760 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x38f/0x500 net/socket.c:2482
 ___sys_sendmsg net/socket.c:2536 [inline]
 __sys_sendmsg+0x19a/0x230 net/socket.c:2565
 __do_sys_sendmsg net/socket.c:2574 [inline]
 __se_sys_sendmsg net/socket.c:2572 [inline]
 __x64_sys_sendmsg+0x42/0x50 net/socket.c:2572
 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 1841 on cpu 1:
 __mem_cgroup_flush_stats mm/memcontrol.c:648 [inline]
 mem_cgroup_flush_stats+0x7f/0x110 mm/memcontrol.c:657
 shrink_node+0x307/0x1200 mm/vmscan.c:3209
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:3542
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:3601
 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:3916
 reclaim_high+0xcd/0x110 mm/memcontrol.c:2335
 mem_cgroup_handle_over_high+0x75/0x120 mm/memcontrol.c:2520
 try_charge_memcg+0x8f7/0xa40 mm/memcontrol.c:2758
 obj_cgroup_charge_pages mm/memcontrol.c:3040 [inline]
 obj_cgroup_charge+0x171/0x2b0 mm/memcontrol.c:3330
 memcg_slab_pre_alloc_hook+0xf7/0x170 mm/slab.h:496
 slab_pre_alloc_hook mm/slab.h:705 [inline]
 slab_alloc mm/slab.c:3278 [inline]
 __kmem_cache_alloc_lru mm/slab.c:3471 [inline]
 kmem_cache_alloc_lru+0x76/0x2b0 mm/slab.c:3498
 alloc_inode_sb include/linux/fs.h:3103 [inline]
 ext4_alloc_inode+0x31/0x300 fs/ext4/super.c:1327
 alloc_inode+0x38/0x150 fs/inode.c:260
 iget_locked+0xf8/0x480 fs/inode.c:1287
 __ext4_iget+0x15e/0x1cd0 fs/ext4/inode.c:4768
 ext4_lookup+0x152/0x390 fs/ext4/namei.c:1831
 __lookup_slow+0x178/0x230 fs/namei.c:1685
 lookup_slow+0x3c/0x60 fs/namei.c:1702
 walk_component+0x1ec/0x230 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x11d/0x2b0 fs/namei.c:2474
 filename_lookup+0x133/0x310 fs/namei.c:2503
 user_path_at_empty+0x3e/0x110 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 ksys_umount fs/namespace.c:1822 [inline]
 __do_sys_umount fs/namespace.c:1830 [inline]
 __se_sys_umount fs/namespace.c:1828 [inline]
 __x64_sys_umount+0x84/0xe0 fs/namespace.c:1828
 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: 0x0000000100031b65 -> 0x0000000100031b66

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1841 Comm: syz-executor.1 Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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