https://sourceware.org/bugzilla/show_bug.cgi?id=25372
Bug ID: 25372
Summary: Memory leak in /src/binutils-gdb/bfd/libbfd.c:275:9
Product: binutils
Version: 2.34 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: xhwu_steven at 163 dot com
Target Milestone: ---
Created attachment 12186
--> https://sourceware.org/bugzilla/attachment.cgi?id=12186&action=edit
Compile binutils with ASAN, and read this file as input.
ASAN report:
==29467==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 4224 byte(s) in 1 object(s) allocated from:
#0 0x521ffd in malloc
/src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
#1 0x5592b7 in bfd_malloc /src/binutils-gdb/bfd/libbfd.c:275:9
#2 0x554d7c in bfd_check_format_matches
/src/binutils-gdb/bfd/format.c:242:47
#3 0x5547fd in LLVMFuzzerTestOneInput
/src/binutils-gdb/fuzz/fuzz_bfd.c:49:5
#4 0x45a461 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*,
unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:556:15
#5 0x444f81 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned
long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:292:6
#6 0x44ac3e in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char
const*, unsigned long))
/src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:774:9
#7 0x474b62 in main
/src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10
#8 0x7f051ca8582f in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: 4224 byte(s) leaked in 1 allocation(s).
INFO: a leak has been found in the initial corpus.
INFO: to ignore leaks on libFuzzer side use -detect_leaks=0.
root@b8ff83db9427:/out# ./fuzz_bfd
leak-fd5d9b8ba6dc786baf81293dbe23736ae7c579b4
INFO: Seed: 2632369351
INFO: Loaded 1 modules (145987 inline 8-bit counters): 145987 [0x1acc8b0,
0x1af02f3),
INFO: Loaded 1 PC tables (145987 PCs): 145987 [0x13e5d38,0x1620168),
./fuzz_bfd: Running 1 inputs 1 time(s) each.
Running: leak-fd5d9b8ba6dc786baf81293dbe23736ae7c579b4
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