================================================================== BUG: KCSAN: data-race in touch_atime / touch_atime write to 0xffff888103ed32d0 of 8 bytes by task 3697 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1543 [inline] inode_update_timestamps fs/inode.c:1876 [inline] generic_update_time fs/inode.c:1898 [inline] inode_update_time fs/inode.c:1918 [inline] touch_atime+0x1ed/0x340 fs/inode.c:1990 file_accessed include/linux/fs.h:2436 [inline] iterate_dir+0x2db/0x300 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+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff888103ed32d0 of 8 bytes by task 3667 on cpu 0: inode_get_atime include/linux/fs.h:1537 [inline] inode_update_timestamps fs/inode.c:1873 [inline] generic_update_time fs/inode.c:1898 [inline] inode_update_time fs/inode.c:1918 [inline] touch_atime+0x19a/0x340 fs/inode.c:1990 file_accessed include/linux/fs.h:2436 [inline] iterate_dir+0x2db/0x300 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+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x000000002404b46d -> 0x000000002bc458ed Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3667 Comm: udevd Tainted: G W 6.8.0-rc6-syzkaller-00011-g45ec2f5f6ed3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================