================================================================== BUG: KCSAN: data-race in iput / other_inode_match write to 0xffff8881255b9b70 of 8 bytes by task 8019 on cpu 1: iput_final fs/inode.c:1566 [inline] iput+0x2f6/0x4e0 fs/inode.c:1597 do_unlinkat+0x378/0x530 fs/namei.c:4143 __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 0xffff8881255b9b70 of 8 bytes by task 5860 on cpu 0: other_inode_match+0x6b/0x5c0 fs/ext4/inode.c:4849 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_add_nondir+0xbe/0x190 fs/ext4/namei.c:2571 ext4_symlink+0x629/0x9b0 fs/ext4/namei.c:3356 vfs_symlink fs/namei.c:4201 [inline] vfs_symlink+0x218/0x310 fs/namei.c:4187 do_symlinkat+0x1a5/0x1e0 fs/namei.c:4228 __do_sys_symlink fs/namei.c:4247 [inline] __se_sys_symlink fs/namei.c:4245 [inline] __x64_sys_symlink+0x3f/0x50 fs/namei.c:4245 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: 5860 Comm: syz-executor.2 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================