================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current write to 0xffff8881018a7840 of 8 bytes by task 3696 on cpu 1: inode_set_ctime_to_ts include/linux/fs.h:1597 [inline] inode_set_ctime include/linux/fs.h:1615 [inline] inode_set_ctime_current+0x16c/0x1d0 fs/inode.c:2548 shmem_symlink+0x327/0x390 mm/shmem.c:3491 vfs_symlink+0xc2/0x1a0 fs/namei.c:4464 do_symlinkat+0xe3/0x340 fs/namei.c:4490 __do_sys_symlink fs/namei.c:4511 [inline] __se_sys_symlink fs/namei.c:4509 [inline] __x64_sys_symlink+0x56/0x60 fs/namei.c:4509 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff8881018a7840 of 8 bytes by task 3842 on cpu 0: inode_get_ctime include/linux/fs.h:1591 [inline] generic_fillattr+0x1e0/0x2f0 fs/stat.c:62 shmem_getattr+0x187/0x200 mm/shmem.c:1139 vfs_getattr_nosec fs/stat.c:135 [inline] vfs_getattr fs/stat.c:172 [inline] vfs_statx+0x266/0x430 fs/stat.c:244 vfs_fstatat+0xcd/0x100 fs/stat.c:295 __do_sys_newfstatat fs/stat.c:459 [inline] __se_sys_newfstatat+0x58/0x260 fs/stat.c:453 __x64_sys_newfstatat+0x55/0x60 fs/stat.c:453 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x000000000fd97c65 -> 0x0000000012d46ce6 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3842 Comm: udevd Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 ==================================================================