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| author | Ralf Jung <post@ralfj.de> | 2020-03-30 10:40:59 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2020-03-30 11:58:16 +0200 |
| commit | fa6c8830740829d38f4ac7bfc8d8131ae44b9ade (patch) | |
| tree | 6f4590debef177d6e1424dc73c5b6ca8ced6476a /src/liballoc | |
| parent | 86c1c434206d5fb9b58b0847e2f4deb20340d3c5 (diff) | |
| download | rust-fa6c8830740829d38f4ac7bfc8d8131ae44b9ade.tar.gz rust-fa6c8830740829d38f4ac7bfc8d8131ae44b9ade.zip | |
fix ptr invalidation in Vec::truncate
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/vec.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs index 6f264399fa8..1c8c4428169 100644 --- a/src/liballoc/vec.rs +++ b/src/liballoc/vec.rs @@ -739,7 +739,8 @@ impl<T> Vec<T> { if len > self.len { return; } - let s = self.get_unchecked_mut(len..) as *mut _; + let remaining_len = self.len - len; + let s = slice::from_raw_parts_mut(self.as_mut_ptr().add(len), remaining_len); self.len = len; ptr::drop_in_place(s); } |