| author |  Dominic <4678790+dweiller@users.noreply.github.com> 2023-02-04 11:39:48+11:00 |
| committer | Dominic <4678790+dweiller@users.noreply.github.com> 2023-02-20 09:09:06+11:00 |
| log | a625df463648b7f6ff2d15de8be5e168c8bc7363 |
| tree | 6cb5aed7fe9695b0431f1cedfbd7ae67eebe99b4 |
| parent | 1c509f483aef8b826f02ffc7ab8d1f2cfcec0d36 |
std.compress.zstandard: fix fse decoding crash
1 files changed, 2 insertions(+), 0 deletions(-)
lib- std
- compress
- zstandard
- decode
lib/std/compress/zstandard/decode/fse.zig+2
| ... | ... | @@ -46,6 +46,7 @@ pub fn decodeFseTable( |
| 46 | 46 | if (value == 1) { |
| 47 | 47 | while (true) { |
| 48 | 48 | const repeat_flag = try bit_reader.readBitsNoEof(u2, 2); |
| 49 | if (repeat_flag + value_count > 256) return error.MalformedFseTable; | |
| 49 | 50 | var i: usize = 0; |
| 50 | 51 | while (i < repeat_flag) : (i += 1) { |
| 51 | 52 | values[value_count] = 1; |
| ... | ... | @@ -54,6 +55,7 @@ pub fn decodeFseTable( |
| 54 | 55 | if (repeat_flag < 3) break; |
| 55 | 56 | } |
| 56 | 57 | } |
| 58 | if (value_count == 256) break; | |
| 57 | 59 | } |
| 58 | 60 | bit_reader.alignToByte(); |
| 59 | 61 |