================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current write to 0xffff888104ba35e0 of 8 bytes by task 3021 on cpu 0: inode_set_ctime_to_ts include/linux/fs.h:1617 [inline] inode_set_ctime_current+0x38/0x50 fs/inode.c:2515 shmem_symlink+0x32d/0x3a0 mm/shmem.c:3540 vfs_symlink+0xca/0x1d0 fs/namei.c:4489 do_symlinkat+0xe3/0x350 fs/namei.c:4515 __do_sys_symlink fs/namei.c:4536 [inline] __se_sys_symlink fs/namei.c:4534 [inline] __x64_sys_symlink+0x56/0x70 fs/namei.c:4534 x64_sys_call+0x14d2/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:89 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888104ba35e0 of 8 bytes by task 3070 on cpu 1: inode_get_ctime include/linux/fs.h:1611 [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+0x19b/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+0x55/0x70 fs/stat.c:462 x64_sys_call+0x1451/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:263 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000021eede1b -> 0x000000000683d439 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3070 Comm: udevd Not tainted 6.10.0-rc5-syzkaller-00280-g27b31deb900d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================