From: "evvers at ya dot ru" <sourceware-bugzilla@sourceware.org>
To: elfutils-devel@sourceware.org
Subject: [Bug libelf/28666] memmove() reads out-of-range in elf32_xlatetom
Date: Wed, 08 Dec 2021 20:37:22 +0000 [thread overview]
Message-ID: <bug-28666-10460-cYdiG3b14o@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-28666-10460@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=28666
--- Comment #6 from Evgeny Vereshchagin <evvers at ya dot ru> ---
My bad. The backtrace is different there:
```
2021-12-08T20:14:08.7167911Z ==21==ERROR: AddressSanitizer:
heap-buffer-overflow on address 0x7f4f1d328000 at pc 0x000000524c9f bp
0x7fff9271bc40 sp 0x7fff9271b408
2021-12-08T20:14:08.7169143Z READ of size 327680 at 0x7f4f1d328000 thread T0
2021-12-08T20:14:08.7170393Z SCARINESS: 26
(multi-byte-read-heap-buffer-overflow)
2021-12-08T20:14:08.7429032Z #0 0x524c9e in __asan_memmove
/src/llvm-project/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cpp:30:3
2021-12-08T20:14:08.7434627Z #1 0x63d0b3 in memmove
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:40:10
2021-12-08T20:14:08.7438180Z #2 0x63d0b3 in elf32_xlatetom
/src/elfutils/libelf/elf32_xlatetom.c:96:2
2021-12-08T20:14:08.7441601Z #3 0x5fc7e8 in dwfl_link_map_report
/src/elfutils/libdwfl/link_map.c:1013:12
2021-12-08T20:14:08.7445515Z #4 0x5668da in dwfl_core_file_report
/src/elfutils/libdwfl/core-file.c:548:16
2021-12-08T20:14:08.7448767Z #5 0x55eaa0 in LLVMFuzzerTestOneInput
/src/fuzz-dwfl-core.c:52:6
```
I think the issue reported here is gone. Thanks!
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next prev parent reply other threads:[~2021-12-08 20:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 12:53 [Bug libelf/28666] New: " netfirewall at gmail dot com
2021-12-07 14:14 ` [Bug libelf/28666] " evvers at ya dot ru
2021-12-07 14:50 ` mark at klomp dot org
2021-12-08 13:45 ` mark at klomp dot org
2021-12-08 17:25 ` evvers at ya dot ru
2021-12-08 20:28 ` evvers at ya dot ru
2021-12-08 20:37 ` evvers at ya dot ru [this message]
2021-12-09 19:08 ` mark at klomp dot org
2021-12-09 19:22 ` evvers at ya dot ru
2021-12-09 20:23 ` mark at klomp dot org
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