================================================================== BUG: KCSAN: data-race in iput / other_inode_match read to 0xffff888124688630 of 8 bytes by task 15672 on cpu 1: other_inode_match+0x6b/0x5c0 fs/ext4/inode.c:5156 find_inode_nowait+0x135/0x160 fs/inode.c:1437 ext4_update_other_inodes_time fs/ext4/inode.c:5204 [inline] ext4_do_update_inode fs/ext4/inode.c:5330 [inline] ext4_mark_iloc_dirty+0x12a8/0x1580 fs/ext4/inode.c:5876 ext4_mark_inode_dirty+0xe9/0x420 fs/ext4/inode.c:6055 ext4_mkdir+0x598/0x820 fs/ext4/namei.c:2789 vfs_mkdir+0x283/0x390 fs/namei.c:3807 do_mkdirat+0x1ac/0x1f0 fs/namei.c:3830 __do_sys_mkdir fs/namei.c:3846 [inline] __se_sys_mkdir fs/namei.c:3844 [inline] __x64_sys_mkdir+0x40/0x50 fs/namei.c:3844 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888124688630 of 8 bytes by task 20879 on cpu 0: iput_final fs/inode.c:1558 [inline] iput+0x2f6/0x4e0 fs/inode.c:1589 dentry_unlink_inode+0x27a/0x2f0 fs/dcache.c:374 d_delete fs/dcache.c:2449 [inline] d_delete+0xdb/0xe0 fs/dcache.c:2438 vfs_rmdir fs/namei.c:3884 [inline] vfs_rmdir+0x2e2/0x300 fs/namei.c:3849 do_rmdir+0x2cb/0x300 fs/namei.c:3932 __do_sys_rmdir fs/namei.c:3950 [inline] __se_sys_rmdir fs/namei.c:3948 [inline] __x64_sys_rmdir+0x2f/0x40 fs/namei.c:3948 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 20879 Comm: syz-executor.2 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================