================================================================== BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del write to 0xffff88810672e43c of 4 bytes by task 3636 on cpu 1: ext4_orphan_del+0x550/0x6e0 fs/ext4/orphan.c:296 ext4_evict_inode+0xac5/0xdd0 fs/ext4/inode.c:294 evict+0x2f0/0x570 fs/inode.c:796 iput_final fs/inode.c:1946 [inline] iput+0x42a/0x5b0 fs/inode.c:1972 do_unlinkat+0x283/0x4d0 fs/namei.c:4594 __do_sys_unlink fs/namei.c:4635 [inline] __se_sys_unlink fs/namei.c:4633 [inline] __x64_sys_unlink+0x2e/0x40 fs/namei.c:4633 x64_sys_call+0x2329/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:88 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 0xffff88810672e43c of 4 bytes by task 3648 on cpu 0: ext4_fill_raw_inode+0x28d/0xe80 fs/ext4/inode.c:4325 ext4_do_update_inode fs/ext4/inode.c:5150 [inline] ext4_mark_iloc_dirty+0x2e9/0xe10 fs/ext4/inode.c:5808 ext4_orphan_add+0x7df/0xa00 fs/ext4/orphan.c:168 ext4_rmdir+0x4af/0x600 fs/ext4/namei.c:3208 vfs_rmdir+0x270/0x320 fs/namei.c:4394 do_rmdir+0x194/0x330 fs/namei.c:4453 __do_sys_unlinkat fs/namei.c:4629 [inline] __se_sys_unlinkat fs/namei.c:4623 [inline] __x64_sys_unlinkat+0xa2/0xb0 fs/namei.c:4623 x64_sys_call+0x28d8/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:264 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: 0x000007a4 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3648 Comm: syz-executor.2 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================