================================================================== BUG: KCSAN: data-race in ext4_free_inodes_count / ext4_free_inodes_set write to 0xffff88810205f00e of 2 bytes by task 7778 on cpu 1: ext4_free_inodes_set+0x1f/0x80 fs/ext4/super.c:405 __ext4_new_inode+0x15ca/0x2270 fs/ext4/ialloc.c:1216 ext4_symlink+0x242/0x5a0 fs/ext4/namei.c:3395 vfs_symlink+0xca/0x1d0 fs/namei.c:4489 do_symlinkat+0xe3/0x350 fs/namei.c:4515 __do_sys_symlinkat fs/namei.c:4531 [inline] __se_sys_symlinkat fs/namei.c:4528 [inline] __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4528 x64_sys_call+0x1e00/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:267 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88810205f00e of 2 bytes by task 7780 on cpu 0: ext4_free_inodes_count+0x1c/0x80 fs/ext4/super.c:349 __ext4_new_inode+0xb6f/0x2270 fs/ext4/ialloc.c:1040 ext4_symlink+0x242/0x5a0 fs/ext4/namei.c:3395 vfs_symlink+0xca/0x1d0 fs/namei.c:4489 do_symlinkat+0xe3/0x350 fs/namei.c:4515 __do_sys_symlinkat fs/namei.c:4531 [inline] __se_sys_symlinkat fs/namei.c:4528 [inline] __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4528 x64_sys_call+0x1e00/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:267 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x185c -> 0x185b Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7780 Comm: syz-executor.5 Not tainted 6.10.0-rc1-syzkaller-00267-gcc8ed4d0a848 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ==================================================================