================================================================== BUG: KCSAN: data-race in ext4_free_inodes_count / ext4_free_inodes_set write to 0xffff88814463102e of 2 bytes by task 13111 on cpu 1: ext4_free_inodes_set+0x1b/0x80 fs/ext4/super.c:387 __ext4_new_inode+0x1d73/0x3060 fs/ext4/ialloc.c:1208 ext4_symlink+0x2bc/0x780 fs/ext4/namei.c:3336 vfs_symlink+0x216/0x2d0 fs/namei.c:3962 do_symlinkat+0xee/0x280 fs/namei.c:3989 __do_sys_symlink fs/namei.c:4008 [inline] __se_sys_symlink fs/namei.c:4006 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4006 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88814463102e of 2 bytes by task 13112 on cpu 0: ext4_free_inodes_count+0x18/0x80 fs/ext4/super.c:331 find_group_other fs/ext4/ialloc.c:592 [inline] __ext4_new_inode+0x886/0x3060 fs/ext4/ialloc.c:1015 ext4_symlink+0x2bc/0x780 fs/ext4/namei.c:3336 vfs_symlink+0x216/0x2d0 fs/namei.c:3962 do_symlinkat+0xee/0x280 fs/namei.c:3989 __do_sys_symlink fs/namei.c:4008 [inline] __se_sys_symlink fs/namei.c:4006 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4006 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13112 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================