=====================================================
BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x597/0x2350 drivers/usb/core/urb.c:430
 usb_submit_urb+0x597/0x2350 drivers/usb/core/urb.c:430
 usbtmc_write+0xc2c/0x1210 drivers/usb/class/usbtmc.c:1606
 do_loop_readv_writev fs/read_write.c:857 [inline]
 vfs_writev+0x95f/0x14f0 fs/read_write.c:1066
 do_pwritev fs/read_write.c:1165 [inline]
 __do_sys_pwritev fs/read_write.c:1212 [inline]
 __se_sys_pwritev fs/read_write.c:1207 [inline]
 __x64_sys_pwritev+0x2e5/0x500 fs/read_write.c:1207
 x64_sys_call+0x34d8/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:297
 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

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3995 [inline]
 slab_alloc_node mm/slub.c:4038 [inline]
 __kmalloc_cache_noprof+0x4f0/0xb00 mm/slub.c:4185
 kmalloc_noprof include/linux/slab.h:690 [inline]
 usbtmc_create_urb drivers/usb/class/usbtmc.c:757 [inline]
 usbtmc_write+0x3cd/0x1210 drivers/usb/class/usbtmc.c:1547
 do_loop_readv_writev fs/read_write.c:857 [inline]
 vfs_writev+0x95f/0x14f0 fs/read_write.c:1066
 do_pwritev fs/read_write.c:1165 [inline]
 __do_sys_pwritev fs/read_write.c:1212 [inline]
 __se_sys_pwritev fs/read_write.c:1207 [inline]
 __x64_sys_pwritev+0x2e5/0x500 fs/read_write.c:1207
 x64_sys_call+0x34d8/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:297
 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

Bytes 13-15 of 16 are uninitialized
Memory access of size 16 starts at ffff888117e97000

CPU: 1 UID: 0 PID: 7861 Comm: syz.4.345 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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