================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current write to 0xffff88810415db70 of 8 bytes by task 31642 on cpu 1: inode_set_ctime_to_ts include/linux/fs.h:1601 [inline] inode_set_ctime include/linux/fs.h:1619 [inline] inode_set_ctime_current+0x38/0x50 fs/inode.c:2512 shmem_symlink+0x327/0x390 mm/shmem.c:3515 vfs_symlink+0xc2/0x1a0 fs/namei.c:4480 do_symlinkat+0xe3/0x340 fs/namei.c:4506 __do_sys_symlink fs/namei.c:4527 [inline] __se_sys_symlink fs/namei.c:4525 [inline] __x64_sys_symlink+0x56/0x60 fs/namei.c:4525 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 0xffff88810415db70 of 8 bytes by task 20107 on cpu 0: inode_get_ctime include/linux/fs.h:1595 [inline] generic_fillattr+0x1e0/0x2f0 fs/stat.c:62 shmem_getattr+0x17b/0x200 mm/shmem.c:1139 vfs_getattr_nosec fs/stat.c:135 [inline] vfs_getattr+0x198/0x1e0 fs/stat.c:176 vfs_statx+0x140/0x320 fs/stat.c:248 vfs_fstatat+0xcd/0x100 fs/stat.c:304 __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+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x000000002acdbae9 -> 0x000000002b665169 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 20107 Comm: udevd Not tainted 6.8.0-rc5-syzkaller-00029-g39133352cbed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================