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BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline]
BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:30 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:302 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:330 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0xef3/0x33f0 lib/iov_iter.c:185
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 copy_to_user_iter lib/iov_iter.c:24 [inline]
 iterate_ubuf include/linux/iov_iter.h:30 [inline]
 iterate_and_advance2 include/linux/iov_iter.h:302 [inline]
 iterate_and_advance include/linux/iov_iter.h:330 [inline]
 _copy_to_iter+0xef3/0x33f0 lib/iov_iter.c:185
 copy_to_iter include/linux/uio.h:220 [inline]
 simple_copy_to_iter net/core/datagram.c:521 [inline]
 __skb_datagram_iter+0x196/0x12c0 net/core/datagram.c:402
 skb_copy_datagram_iter+0x5b/0x1e0 net/core/datagram.c:535
 skb_copy_datagram_msg include/linux/skbuff.h:4167 [inline]
 netlink_recvmsg+0x4bb/0xfe0 net/netlink/af_netlink.c:1953
 sock_recvmsg_nosec net/socket.c:1065 [inline]
 sock_recvmsg+0x2dc/0x390 net/socket.c:1087
 ____sys_recvmsg+0x193/0x610 net/socket.c:2834
 ___sys_recvmsg+0x20b/0x850 net/socket.c:2876
 __sys_recvmsg net/socket.c:2909 [inline]
 __do_sys_recvmsg net/socket.c:2915 [inline]
 __se_sys_recvmsg net/socket.c:2912 [inline]
 __x64_sys_recvmsg+0x20e/0x3d0 net/socket.c:2912
 x64_sys_call+0x35f0/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:48
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable buf created at:
 tomoyo_path_number_perm+0xff/0x7d0 security/tomoyo/file.c:716
 tomoyo_file_ioctl+0x3d/0x50 security/tomoyo/tomoyo.c:350

Bytes 60-63 of 64 are uninitialized
Memory access of size 64 starts at ffff88811b69d080
Data copied to user address 00007fff693ec770

CPU: 0 UID: 101 PID: 5461 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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