================================================================== BUG: KCSAN: data-race in iput / other_inode_match write to 0xffff888128de0c00 of 8 bytes by task 7938 on cpu 0: iput_final fs/inode.c:1558 [inline] iput+0x2f6/0x4e0 fs/inode.c:1589 do_unlinkat+0x378/0x530 fs/namei.c:4073 __do_sys_unlink fs/namei.c:4114 [inline] __se_sys_unlink fs/namei.c:4112 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4112 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888128de0c00 of 8 bytes by task 7937 on cpu 1: other_inode_match+0x6b/0x5c0 fs/ext4/inode.c:4820 find_inode_nowait+0x135/0x160 fs/inode.c:1437 ext4_update_other_inodes_time fs/ext4/inode.c:4868 [inline] ext4_do_update_inode fs/ext4/inode.c:4994 [inline] ext4_mark_iloc_dirty+0x12a8/0x1580 fs/ext4/inode.c:5547 ext4_mark_inode_dirty+0xe9/0x420 fs/ext4/inode.c:5740 ext4_mkdir+0x4cb/0x820 fs/ext4/namei.c:2787 vfs_mkdir+0x283/0x390 fs/namei.c:3819 do_mkdirat+0x1ac/0x1f0 fs/namei.c:3842 __do_sys_mkdir fs/namei.c:3858 [inline] __se_sys_mkdir fs/namei.c:3856 [inline] __x64_sys_mkdir+0x40/0x50 fs/namei.c:3856 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 7937 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================