================================================================== BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del write to 0xffff88811884407c of 4 bytes by task 2207 on cpu 0: ext4_orphan_del+0x579/0x730 fs/ext4/orphan.c:296 ext4_evict_inode+0xb9f/0xf10 fs/ext4/inode.c:318 evict+0x1aa/0x410 fs/inode.c:590 iput_final fs/inode.c:1670 [inline] iput+0x3ef/0x580 fs/inode.c:1696 dentry_unlink_inode+0x23d/0x250 fs/dcache.c:376 d_delete+0x78/0xa0 fs/dcache.c:2505 vfs_rmdir+0x2bf/0x2e0 fs/namei.c:3982 do_rmdir+0x18d/0x330 fs/namei.c:4030 __do_sys_rmdir fs/namei.c:4049 [inline] __se_sys_rmdir fs/namei.c:4047 [inline] __x64_sys_rmdir+0x2c/0x30 fs/namei.c:4047 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 0xffff88811884407c of 4 bytes by task 7306 on cpu 1: ext4_fill_raw_inode+0x68c/0xea0 fs/ext4/inode.c:4331 ext4_do_update_inode fs/ext4/inode.c:5094 [inline] ext4_mark_iloc_dirty+0x364/0x890 fs/ext4/inode.c:5694 ext4_orphan_add+0x82e/0xa40 fs/ext4/orphan.c:168 ext4_dio_write_iter fs/ext4/file.c:556 [inline] ext4_file_write_iter+0x9c7/0x1200 fs/ext4/file.c:679 call_write_iter include/linux/fs.h:2162 [inline] new_sync_write fs/read_write.c:503 [inline] vfs_write+0x7f5/0x950 fs/read_write.c:590 ksys_write+0xd9/0x190 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:652 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: 0x000004c6 -> 0x000004cc Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 7306 Comm: syz-executor.1 Not tainted 5.16.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================