6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-25 05:22:04 +00:00
Code Issues Projects Releases Wiki Activity

Verify sizes when trying to read a BitcodeAbbrevOp

Browse Source 
Summary:
Make sure the abbrev operands are valid and that we can read/skip them
afterwards.

Bug found with AFL fuzz.

Reviewers: rafael

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9030

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235595 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Filipe Cabecinhas
2015-04-23 13:25:35 +00:00
parent 77aa4a8c4d
commit 81f9bd3e19
5 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/Bitcode/Inputs/invalid-abbrev-fixed-size-too-big.bc
BIN
View File
Binary file not shown.
test/Bitcode/Inputs/invalid-abbrev-vbr-size-too-big.bc
BIN
View File
Binary file not shown.
test/Bitcode/invalid.test
+7
View File
@@ -66,3 +66,10 @@ RUN: not llvm-dis -disable-output %p/Inputs/invalid-fp-shift.bc 2>&1 | \
RUN: FileCheck --check-prefix=FP-SHIFT %s
FP-SHIFT: Invalid record
RUN: not llvm-dis -disable-output %p/Inputs/invalid-abbrev-vbr-size-too-big.bc 2>&1 | \
RUN: FileCheck --check-prefix=HUGE-ABBREV-OP %s
RUN: not llvm-dis -disable-output %p/Inputs/invalid-abbrev-fixed-size-too-big.bc 2>&1 | \
RUN: FileCheck --check-prefix=HUGE-ABBREV-OP %s
HUGE-ABBREV-OP: Fixed or VBR abbrev record with size > MaxChunkData