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| author | Dmitriy Vyukov <dvyukov@google.com> | 2014-01-27 20:29:21 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2014-01-27 20:29:21 +0400 |
| commit | e1a91c5b8963e3e02c897f96218d4eae17bcb740 (patch) | |
| tree | a4c80ef1b6c28ef75d94e00349b08e3181e17b32 /src/pkg/debug/dwarf/entry.go | |
| parent | bace9523eed9bc695310cd327b19ecdf7aa44612 (diff) | |
| download | go-e1a91c5b8963e3e02c897f96218d4eae17bcb740.tar.xz | |
runtime: fix buffer overflow in stringtoslicerune
On 32-bits n*sizeof(r[0]) can overflow.
Or it can become 1<<32-eps, and mallocgc will "successfully"
allocate 0 pages for it, there are no checks downstream
and MHeap_Grow just does:
npage = (npage+15)&~15;
ask = npage<<PageShift;
LGTM=khr
R=golang-codereviews, khr
CC=golang-codereviews
https://golang.org/cl/54760045
Diffstat (limited to 'src/pkg/debug/dwarf/entry.go')
0 files changed, 0 insertions, 0 deletions