================================================================== BUG: KCSAN: data-race in __mod_memcg_lruvec_state / rebind_subsystems write to 0xffff888100149000 of 8 bytes by task 3086 on cpu 0: rebind_subsystems+0x44d/0x9b0 kernel/cgroup/cgroup.c:1842 cgroup_setup_root+0x1ea/0x560 kernel/cgroup/cgroup.c:2117 cgroup1_root_to_use kernel/cgroup/cgroup-v1.c:1224 [inline] cgroup1_get_tree+0x54e/0x840 kernel/cgroup/cgroup-v1.c:1244 vfs_get_tree+0x56/0x1d0 fs/super.c:1780 do_new_mount+0x227/0x690 fs/namespace.c:3352 path_mount+0x49b/0xb30 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3875 __x64_sys_mount+0x67/0x80 fs/namespace.c:3875 x64_sys_call+0x2591/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888100149000 of 8 bytes by task 3098 on cpu 1: memcg_rstat_updated mm/memcontrol.c:855 [inline] __mod_memcg_lruvec_state+0xe4/0x220 mm/memcontrol.c:1029 __mod_lruvec_state+0x3c/0x50 mm/memcontrol.c:1051 __update_lru_size include/linux/mm_inline.h:47 [inline] update_lru_size include/linux/mm_inline.h:56 [inline] lruvec_del_folio include/linux/mm_inline.h:356 [inline] __page_cache_release+0x2fa/0x4a0 mm/swap.c:82 folios_put_refs+0x15e/0x2b0 mm/swap.c:1009 free_pages_and_swap_cache+0x289/0x400 mm/swap_state.c:329 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x2cf/0x440 mm/mmu_gather.c:373 tlb_finish_mmu+0x8c/0x100 mm/mmu_gather.c:465 exit_mmap+0x2b7/0x710 mm/mmap.c:3325 __mmput+0x28/0x1c0 kernel/fork.c:1346 mmput+0x4c/0x60 kernel/fork.c:1368 exit_mm+0xe4/0x190 kernel/exit.c:568 do_exit+0x57e/0x1740 kernel/exit.c:864 do_group_exit+0x142/0x150 kernel/exit.c:1026 __do_sys_exit_group kernel/exit.c:1037 [inline] __se_sys_exit_group kernel/exit.c:1035 [inline] __x64_sys_exit_group+0x1f/0x20 kernel/exit.c:1035 x64_sys_call+0x27c1/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffffffff8614d5c0 -> 0xffff88810b6de040 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3098 Comm: dhcpcd Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ================================================================== dhcpcd (3098) used greatest stack depth: 11336 bytes left