================================================================== BUG: KCSAN: data-race in __ext4_update_other_inode_time / inode_io_list_del write to 0xffff888104ad8270 of 8 bytes by task 509 on cpu 0: inode_io_list_del+0xdc/0x2b0 fs/fs-writeback.c:1273 evict+0xac/0x3c0 fs/inode.c:575 iput_final fs/inode.c:1664 [inline] iput+0x430/0x580 fs/inode.c:1690 do_unlinkat+0x2d4/0x540 fs/namei.c:4176 __do_sys_unlink fs/namei.c:4217 [inline] __se_sys_unlink fs/namei.c:4215 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4215 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888104ad8270 of 8 bytes by task 22161 on cpu 1: inode_is_dirtytime_only include/linux/fs.h:2471 [inline] __ext4_update_other_inode_time+0x48/0x5c0 fs/ext4/inode.c:4914 ext4_update_other_inodes_time fs/ext4/inode.c:4957 [inline] ext4_do_update_inode fs/ext4/inode.c:5091 [inline] ext4_mark_iloc_dirty+0x1286/0x1700 fs/ext4/inode.c:5683 ext4_xattr_set_handle+0xf77/0x1120 fs/ext4/xattr.c:2402 ext4_initxattrs+0x66/0xb0 fs/ext4/xattr_security.c:44 security_inode_init_security+0x1a9/0x260 security/security.c:1099 ext4_init_security+0x30/0x40 fs/ext4/xattr_security.c:58 __ext4_new_inode+0x2a0a/0x2fd0 fs/ext4/ialloc.c:1325 ext4_symlink+0x2cc/0x700 fs/ext4/namei.c:3293 vfs_symlink+0x23f/0x350 fs/namei.c:4250 do_symlinkat+0x104/0x380 fs/namei.c:4279 __do_sys_symlink fs/namei.c:4301 [inline] __se_sys_symlink fs/namei.c:4299 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4299 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000000000000800 -> 0x0000000000000060 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 22161 Comm: syz-executor.4 Tainted: G W 5.15.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================