================================================================== BUG: KCSAN: data-race in ext4_free_inodes_count / ext4_free_inodes_set write to 0xffff888103a5300e of 2 bytes by task 1856 on cpu 0: ext4_free_inodes_set+0x1b/0x80 fs/ext4/super.c:385 ext4_free_inode+0x615/0xa30 fs/ext4/ialloc.c:323 ext4_evict_inode+0xbff/0xf10 fs/ext4/inode.c:332 evict+0x1aa/0x410 fs/inode.c:590 iput_final fs/inode.c:1670 [inline] iput+0x3ef/0x580 fs/inode.c:1696 do_unlinkat+0x2d4/0x540 fs/namei.c:4174 __do_sys_unlink fs/namei.c:4215 [inline] __se_sys_unlink fs/namei.c:4213 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888103a5300e of 2 bytes by task 1834 on cpu 1: ext4_free_inodes_count+0x18/0x80 fs/ext4/super.c:329 __ext4_new_inode+0x9f9/0x2fc0 fs/ext4/ialloc.c:1042 ext4_mkdir+0x28a/0x760 fs/ext4/namei.c:2929 vfs_mkdir+0x2c8/0x3d0 fs/namei.c:3883 do_mkdirat+0x12e/0x2c0 fs/namei.c:3909 __do_sys_mkdir fs/namei.c:3929 [inline] __se_sys_mkdir fs/namei.c:3927 [inline] __x64_sys_mkdir+0x40/0x50 fs/namei.c:3927 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x1ad3 -> 0x1ad4 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1834 Comm: syz-executor.2 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================