================================================================== BUG: KCSAN: data-race in touch_atime / touch_atime read to 0xffff888137187820 of 8 bytes by task 6014 on cpu 0: timespec64_equal include/linux/time64.h:49 [inline] inode_update_timestamps fs/inode.c:1906 [inline] generic_update_time fs/inode.c:1929 [inline] inode_update_time fs/inode.c:1949 [inline] touch_atime+0x2d8/0x4a0 fs/inode.c:2020 do_readlinkat+0x164/0x210 fs/stat.c:544 __do_sys_readlink fs/stat.c:566 [inline] __se_sys_readlink fs/stat.c:563 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:563 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff888137187820 of 8 bytes by task 6023 on cpu 1: inode_update_timestamps fs/inode.c:1907 [inline] generic_update_time fs/inode.c:1929 [inline] inode_update_time fs/inode.c:1949 [inline] touch_atime+0x31f/0x4a0 fs/inode.c:2020 do_readlinkat+0x164/0x210 fs/stat.c:544 __do_sys_readlink fs/stat.c:566 [inline] __se_sys_readlink fs/stat.c:563 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:563 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x000000002ca5965a -> 0x000000002d3e2cdb Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 6023 Comm: udevd Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 ==================================================================