================================================================== BUG: KCSAN: data-race in iput / other_inode_match write to 0xffff888128ecd180 of 8 bytes by task 7990 on cpu 1: other_inode_match fs/ext4/inode.c:4858 [inline] other_inode_match+0x13c/0x5c0 fs/ext4/inode.c:4842 find_inode_nowait+0x135/0x160 fs/inode.c:1445 ext4_update_other_inodes_time fs/ext4/inode.c:4897 [inline] ext4_do_update_inode fs/ext4/inode.c:5023 [inline] ext4_mark_iloc_dirty+0x12a8/0x1580 fs/ext4/inode.c:5578 ext4_mark_inode_dirty+0xe9/0x420 fs/ext4/inode.c:5771 ext4_unlink fs/ext4/namei.c:3225 [inline] ext4_unlink+0x71c/0x7d0 fs/ext4/namei.c:3166 vfs_unlink+0x225/0x3e0 fs/namei.c:4073 do_unlinkat+0x32b/0x530 fs/namei.c:4137 __do_sys_unlink fs/namei.c:4184 [inline] __se_sys_unlink fs/namei.c:4182 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4182 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888128ecd180 of 8 bytes by task 7969 on cpu 0: iput+0x53/0x4e0 fs/inode.c:1587 dentry_unlink_inode+0x281/0x2f0 fs/dcache.c:374 d_delete fs/dcache.c:2451 [inline] d_delete+0xdb/0xe0 fs/dcache.c:2440 vfs_unlink+0x398/0x3e0 fs/namei.c:4087 do_unlinkat+0x32b/0x530 fs/namei.c:4137 __do_sys_unlink fs/namei.c:4184 [inline] __se_sys_unlink fs/namei.c:4182 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4182 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: 0 PID: 7969 Comm: syz-executor.0 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================