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BUG: KCSAN: data-race in mem_cgroup_flush_stats / tick_do_update_jiffies64

read-write to 0xffffffff85a079c0 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: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:1096 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:400 [inline]
 shrink_active_list+0x17b/0x840 mm/vmscan.c:2629
 shrink_list mm/vmscan.c:2761 [inline]
 shrink_lruvec+0x292/0x6f0 mm/vmscan.c:5951
 shrink_node_memcgs+0x240/0x450 mm/vmscan.c:6138
 shrink_node+0x1d7/0x930 mm/vmscan.c:6169
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:6407
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:6469
 try_to_free_mem_cgroup_pages+0x1d0/0x420 mm/vmscan.c:6786
 reclaim_high+0xd0/0x120 mm/memcontrol.c:2394
 mem_cgroup_handle_over_high+0x75/0x120 mm/memcontrol.c:2580
 try_charge_memcg+0x876/0x9b0 mm/memcontrol.c:2819
 try_charge mm/memcontrol.c:2830 [inline]
 charge_memcg+0x54/0x250 mm/memcontrol.c:6947
 __mem_cgroup_charge+0x25/0xa0 mm/memcontrol.c:6968
 mem_cgroup_charge include/linux/memcontrol.h:671 [inline]
 __filemap_add_folio+0x4a7/0x6e0 mm/filemap.c:853
 filemap_add_folio+0x6b/0x150 mm/filemap.c:935
 __filemap_get_folio+0x50a/0x6d0 mm/filemap.c:1977
 pagecache_get_page+0x26/0xd0 mm/folio-compat.c:98
 grab_cache_page_write_begin+0x2a/0x30 mm/folio-compat.c:110
 ext4_da_write_begin+0x2dd/0x5f0 fs/ext4/inode.c:3074
 generic_perform_write+0x1d4/0x3f0 mm/filemap.c:3772
 ext4_buffered_write_iter+0x235/0x3e0 fs/ext4/file.c:285
 ext4_file_write_iter+0x2bb/0x11b0
 __kernel_write_iter+0x157/0x380 fs/read_write.c:517
 dump_emit_page+0x3de/0x830 fs/coredump.c:864
 dump_user_range+0x5e/0x200 fs/coredump.c:915
 elf_core_dump+0x1b4f/0x1c60 fs/binfmt_elf.c:2137
 do_coredump+0xed7/0x1790 fs/coredump.c:762
 get_signal+0xa04/0xc70 kernel/signal.c:2845
 arch_do_signal_or_restart+0x85/0x290 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0x78/0x130 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x69/0x90 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x5/0x10 kernel/entry/common.c:309
 irqentry_exit+0xe/0x40 kernel/entry/common.c:412
 exc_general_protection+0x321/0x4b0 arch/x86/kernel/traps.c:728
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:564

read to 0xffffffff85a079c0 of 8 bytes by task 29988 on cpu 0:
 __mem_cgroup_flush_stats mm/memcontrol.c:635 [inline]
 mem_cgroup_flush_stats+0x7f/0x110 mm/memcontrol.c:644
 prepare_scan_count+0xad/0x7f0 mm/vmscan.c:2838
 shrink_node+0x1cc/0x930 mm/vmscan.c:6167
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:6407
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:6469
 try_to_free_mem_cgroup_pages+0x1d0/0x420 mm/vmscan.c:6786
 reclaim_high+0xd0/0x120 mm/memcontrol.c:2394
 mem_cgroup_handle_over_high+0x75/0x120 mm/memcontrol.c:2580
 try_charge_memcg+0x876/0x9b0 mm/memcontrol.c:2819
 try_charge mm/memcontrol.c:2830 [inline]
 charge_memcg+0x54/0x250 mm/memcontrol.c:6947
 __mem_cgroup_charge+0x25/0xa0 mm/memcontrol.c:6968
 mem_cgroup_charge include/linux/memcontrol.h:671 [inline]
 __filemap_add_folio+0x4a7/0x6e0 mm/filemap.c:853
 filemap_add_folio+0x6b/0x150 mm/filemap.c:935
 __filemap_get_folio+0x50a/0x6d0 mm/filemap.c:1977
 pagecache_get_page+0x26/0xd0 mm/folio-compat.c:98
 grab_cache_page_write_begin+0x2a/0x30 mm/folio-compat.c:110
 ext4_da_write_begin+0x2dd/0x5f0 fs/ext4/inode.c:3074
 generic_perform_write+0x1d4/0x3f0 mm/filemap.c:3772
 ext4_buffered_write_iter+0x235/0x3e0 fs/ext4/file.c:285
 ext4_file_write_iter+0x2bb/0x11b0
 __kernel_write_iter+0x157/0x380 fs/read_write.c:517
 dump_emit_page+0x3de/0x830 fs/coredump.c:864
 dump_user_range+0x5e/0x200 fs/coredump.c:915
 elf_core_dump+0x1b4f/0x1c60 fs/binfmt_elf.c:2137
 do_coredump+0xed7/0x1790 fs/coredump.c:762
 get_signal+0xa04/0xc70 kernel/signal.c:2845
 arch_do_signal_or_restart+0x85/0x290 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0x78/0x130 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x69/0x90 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x5/0x10 kernel/entry/common.c:309
 irqentry_exit+0xe/0x40 kernel/entry/common.c:412
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570

value changed: 0x00000001000141a9 -> 0x00000001000141aa

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 29988 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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