================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current write to 0xffff888103f806e0 of 8 bytes by task 7551 on cpu 1: inode_set_ctime_to_ts include/linux/fs.h:1626 [inline] inode_set_ctime_current+0x38/0x50 fs/inode.c:2515 simple_rename_timestamp+0x34/0xd0 fs/libfs.c:756 shmem_rename2+0x28c/0x2c0 mm/shmem.c:3488 vfs_rename+0x872/0x9c0 fs/namei.c:4880 do_renameat2+0x732/0xa60 fs/namei.c:5037 __do_sys_rename fs/namei.c:5084 [inline] __se_sys_rename fs/namei.c:5082 [inline] __x64_sys_rename+0x5c/0x70 fs/namei.c:5082 x64_sys_call+0x2749/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:83 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+0x77/0x7f read to 0xffff888103f806e0 of 8 bytes by task 7554 on cpu 0: inode_get_ctime include/linux/fs.h:1620 [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+0x25ff/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:263 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+0x77/0x7f value changed: 0x0000000021948a15 -> 0x00000000222d2095 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7554 Comm: udevd Tainted: G W 6.9.0-rc5-syzkaller-00329-g5d12ed4bea43 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================