https://github.com/torvalds/linux
Revision d10c77873ba1e9e6b91905018e29e196fd5f863d authored by Namjae Jeon on 20 December 2023, 06:52:11 UTC, committed by Steve French on 28 December 2023, 04:55:36 UTC
If ->NameOffset/Length is bigger than ->CreateContextsOffset/Length, ksmbd_check_message doesn't validate request buffer it correctly. So slab-out-of-bounds warning from calling smb_strndup_from_utf16() in smb2_open() could happen. If ->NameLength is non-zero, Set the larger of the two sums (Name and CreateContext size) as the offset and length of the data area. Reported-by: Yang Chaoming <lometsj@live.com> Cc: stable@vger.kernel.org Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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History 
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Tip revision: d10c77873ba1e9e6b91905018e29e196fd5f863d authored by Namjae Jeon on 20 December 2023, 06:52:11 UTC
ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
Tip revision: d10c778
| File | Mode | Size |
|---|---|---|
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| LICENSES | ||
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| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 20.1 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 151 bytes |
| .gitattributes | -rw-r--r-- | 105 bytes |
| .gitignore | -rw-r--r-- | 2.0 KB |
| .mailmap | -rw-r--r-- | 36.1 KB |
| .rustfmt.toml | -rw-r--r-- | 369 bytes |
| COPYING | -rw-r--r-- | 496 bytes |
| CREDITS | -rw-r--r-- | 100.2 KB |
| Kbuild | -rw-r--r-- | 2.5 KB |
| Kconfig | -rw-r--r-- | 555 bytes |
| MAINTAINERS | -rw-r--r-- | 714.0 KB |
| Makefile | -rw-r--r-- | 65.7 KB |
| README | -rw-r--r-- | 727 bytes |
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