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BUG: KMSAN: uninit-value in map_id_up_base kernel/user_namespace.c:355 [inline]
BUG: KMSAN: uninit-value in map_id_up kernel/user_namespace.c:385 [inline]
BUG: KMSAN: uninit-value in from_kuid+0x41e/0x990 kernel/user_namespace.c:433
 map_id_up_base kernel/user_namespace.c:355 [inline]
 map_id_up kernel/user_namespace.c:385 [inline]
 from_kuid+0x41e/0x990 kernel/user_namespace.c:433
 ocfs2_setattr+0x254/0x3140 fs/ocfs2/file.c:1133
 notify_change+0x1a8e/0x1b80 fs/attr.c:503
 vfs_utimes+0x717/0xa80 fs/utimes.c:66
 do_utimes_fd fs/utimes.c:120 [inline]
 do_utimes+0x1b0/0x490 fs/utimes.c:144
 do_futimesat fs/utimes.c:199 [inline]
 __do_sys_futimesat fs/utimes.c:206 [inline]
 __se_sys_futimesat fs/utimes.c:203 [inline]
 __x64_sys_futimesat+0x42b/0x500 fs/utimes.c:203
 x64_sys_call+0x3127/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:262
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable newattrs created at:
 vfs_utimes+0x44/0xa80 fs/utimes.c:23
 do_utimes_fd fs/utimes.c:120 [inline]
 do_utimes+0x1b0/0x490 fs/utimes.c:144

CPU: 1 UID: 0 PID: 11947 Comm: syz.3.1800 Not tainted 6.12.0-rc2-syzkaller-00291-g09f6b0c8904b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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