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BUG: KMSAN: uninit-value in inode_set_ctime_to_ts+0x1eb/0x3a0 fs/inode.c:2768
 inode_set_ctime_to_ts+0x1eb/0x3a0 fs/inode.c:2768
 inode_set_ctime_current+0x646/0x1690 fs/inode.c:2833
 simple_rename_timestamp+0x1d0/0x280 fs/libfs.c:847
 shmem_rename2+0x555/0x6f0 mm/shmem.c:4113
 vfs_rename+0x2149/0x2650 fs/namei.c:6026
 filename_renameat2+0xb7f/0x1260 fs/namei.c:6144
 __do_sys_rename fs/namei.c:6188 [inline]
 __se_sys_rename+0xc5/0x5d0 fs/namei.c:6184
 __x64_sys_rename+0x78/0xb0 fs/namei.c:6184
 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 inode_set_ctime_to_ts+0x1e4/0x3a0 fs/inode.c:2768
 inode_set_ctime_current+0x646/0x1690 fs/inode.c:2833
 simple_rename_timestamp+0x1d0/0x280 fs/libfs.c:847
 shmem_rename2+0x555/0x6f0 mm/shmem.c:4113
 vfs_rename+0x2149/0x2650 fs/namei.c:6026
 filename_renameat2+0xb7f/0x1260 fs/namei.c:6144
 __do_sys_rename fs/namei.c:6188 [inline]
 __se_sys_rename+0xc5/0x5d0 fs/namei.c:6184
 __x64_sys_rename+0x78/0xb0 fs/namei.c:6184
 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 inode_set_ctime_to_ts+0x19f/0x3a0 fs/inode.c:-1
 inode_set_ctime_current+0x646/0x1690 fs/inode.c:2833
 simple_rename_timestamp+0x1d0/0x280 fs/libfs.c:847
 shmem_rename2+0x555/0x6f0 mm/shmem.c:4113
 vfs_rename+0x2149/0x2650 fs/namei.c:6026
 filename_renameat2+0xb7f/0x1260 fs/namei.c:6144
 __do_sys_rename fs/namei.c:6188 [inline]
 __se_sys_rename+0xc5/0x5d0 fs/namei.c:6184
 __x64_sys_rename+0x78/0xb0 fs/namei.c:6184
 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable retval created at:
 inode_set_ctime_current+0x3b/0x1690 fs/inode.c:2824
 simple_rename_timestamp+0x1d0/0x280 fs/libfs.c:847

CPU: 0 UID: 0 PID: 14420 Comm: udevd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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