================================================================== BUG: KCSAN: data-race in evict / insert_inode_locked write to 0xffff888128bc0248 of 8 bytes by task 16553 on cpu 0: hlist_add_head include/linux/list.h:787 [inline] insert_inode_locked+0x2db/0x3b0 fs/inode.c:1474 __ext4_new_inode+0x17b2/0x2ec0 fs/ext4/ialloc.c:1107 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 read to 0xffff888128bc0248 of 8 bytes by task 10165 on cpu 1: inode_unhashed include/linux/fs.h:749 [inline] remove_inode_hash include/linux/fs.h:3075 [inline] evict+0x2a0/0x410 fs/inode.c:584 iput_final fs/inode.c:1563 [inline] iput+0x371/0x4e0 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 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10165 Comm: syz-executor.4 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================