================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_update_timestamps write to 0xffff8881281486c0 of 8 bytes by task 3575 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1541 [inline] inode_update_timestamps+0x4d1/0x560 fs/inode.c:1913 generic_update_time fs/inode.c:1935 [inline] inode_update_time fs/inode.c:1955 [inline] touch_atime+0x15c/0x2d0 fs/inode.c:2027 file_accessed include/linux/fs.h:2437 [inline] iterate_dir+0x30f/0x340 fs/readdir.c:113 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:394 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:394 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff8881281486c0 of 8 bytes by task 3267 on cpu 0: inode_get_atime include/linux/fs.h:1535 [inline] generic_fillattr+0x16f/0x2f0 fs/stat.c:60 shmem_getattr+0x17b/0x200 mm/shmem.c:1139 vfs_getattr_nosec fs/stat.c:135 [inline] vfs_getattr fs/stat.c:176 [inline] vfs_fstat+0x1b5/0x460 fs/stat.c:198 vfs_fstatat+0x85/0x100 fs/stat.c:300 __do_sys_newfstatat fs/stat.c:468 [inline] __se_sys_newfstatat+0x58/0x260 fs/stat.c:462 __x64_sys_newfstatat+0x55/0x60 fs/stat.c:462 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00000000015c5ce2 -> 0x0000000003beb6e2 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3267 Comm: udevd Not tainted 6.7.0-syzkaller-04629-g3e7aeb78ab01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ==================================================================