================================================================== BUG: KCSAN: data-race in iput / other_inode_match write to 0xffff8880a6f265b0 of 8 bytes by task 20574 on cpu 0: iput_final fs/inode.c:1558 [inline] iput+0x2f6/0x4e0 fs/inode.c:1589 do_unlinkat+0x378/0x530 fs/namei.c:4061 __do_sys_unlink fs/namei.c:4102 [inline] __se_sys_unlink fs/namei.c:4100 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4100 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880a6f265b0 of 8 bytes by task 22936 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_ext_tree_init+0x92/0xb0 fs/ext4/extents.c:860 __ext4_new_inode+0x2de5/0x3070 fs/ext4/ialloc.c:1169 ext4_symlink+0x30e/0x970 fs/ext4/namei.c:3262 vfs_symlink fs/namei.c:4119 [inline] vfs_symlink+0x218/0x310 fs/namei.c:4105 do_symlinkat+0x1a5/0x1e0 fs/namei.c:4146 __do_sys_symlink fs/namei.c:4165 [inline] __se_sys_symlink fs/namei.c:4163 [inline] __x64_sys_symlink+0x3f/0x50 fs/namei.c:4163 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: 1 PID: 22936 Comm: syz-executor.1 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================