https://sourceware.org/bugzilla/show_bug.cgi?id=28677
Bug ID: 28677
Summary: Bad dynamic entry conversion in dwfl_link_map_report
Product: elfutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libdw
Assignee: unassigned at sourceware dot org
Reporter: mark at klomp dot org
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
Created attachment 13841
--> https://sourceware.org/bugzilla/attachment.cgi?id=13841&action=edit
Corrupt core file
Reproducer from Bug 28666
$ valgrind -q eu-stack --core ./poc2
==500881== Invalid read of size 8
==500881== at 0x4851268: __GI_memmove (vg_replace_strmem.c:1271)
==500881== by 0x48994CB: elf32_xlatetom (in
/usr/lib/aarch64-linux-gnu/libelf-0.183.so)
==500881== by 0x49232D3: ??? (in /usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x4924977: dwfl_core_file_report (in
/usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x10AAB7: ??? (in /usr/bin/eu-stack)
==500881== by 0x4C2ABAF: group_parse (argp-parse.c:257)
==500881== by 0x4C2ABAF: parser_finalize (argp-parse.c:604)
==500881== by 0x4C2ABAF: argp_parse (argp-parse.c:922)
==500881== by 0x10A273: ??? (in /usr/bin/eu-stack)
==500881== by 0x4B6C217: (below main) (libc-start.c:308)
==500881== Address 0x4034000 is 0 bytes after the brk data segment limit
0x4034000
==500881==
==500881== Invalid read of size 8
==500881== at 0x4851278: __GI_memmove (vg_replace_strmem.c:1271)
==500881== by 0x48994CB: elf32_xlatetom (in
/usr/lib/aarch64-linux-gnu/libelf-0.183.so)
==500881== by 0x49232D3: ??? (in /usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x4924977: dwfl_core_file_report (in
/usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x10AAB7: ??? (in /usr/bin/eu-stack)
==500881== by 0x4C2ABAF: group_parse (argp-parse.c:257)
==500881== by 0x4C2ABAF: parser_finalize (argp-parse.c:604)
==500881== by 0x4C2ABAF: argp_parse (argp-parse.c:922)
==500881== by 0x10A273: ??? (in /usr/bin/eu-stack)
==500881== by 0x4B6C217: (below main) (libc-start.c:308)
==500881== Address 0x4034008 is 8 bytes after the brk data segment limit
0x4034000
==500881==
==500881== Invalid read of size 8
==500881== at 0x4851280: __GI_memmove (vg_replace_strmem.c:1271)
==500881== by 0x48994CB: elf32_xlatetom (in
/usr/lib/aarch64-linux-gnu/libelf-0.183.so)
==500881== by 0x49232D3: ??? (in /usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x4924977: dwfl_core_file_report (in
/usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x10AAB7: ??? (in /usr/bin/eu-stack)
==500881== by 0x4C2ABAF: group_parse (argp-parse.c:257)
==500881== by 0x4C2ABAF: parser_finalize (argp-parse.c:604)
==500881== by 0x4C2ABAF: argp_parse (argp-parse.c:922)
==500881== by 0x10A273: ??? (in /usr/bin/eu-stack)
==500881== by 0x4B6C217: (below main) (libc-start.c:308)
==500881== Address 0x4034010 is 16 bytes after the brk data segment limit
0x4034000
==500881==
==500881== Invalid read of size 8
==500881== at 0x4851288: __GI_memmove (vg_replace_strmem.c:1271)
==500881== by 0x48994CB: elf32_xlatetom (in
/usr/lib/aarch64-linux-gnu/libelf-0.183.so)
==500881== by 0x49232D3: ??? (in /usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x4924977: dwfl_core_file_report (in
/usr/lib/aarch64-linux-gnu/libdw-0.183.so)
==500881== by 0x10AAB7: ??? (in /usr/bin/eu-stack)
==500881== by 0x4C2ABAF: group_parse (argp-parse.c:257)
==500881== by 0x4C2ABAF: parser_finalize (argp-parse.c:604)
==500881== by 0x4C2ABAF: argp_parse (argp-parse.c:922)
==500881== by 0x10A273: ??? (in /usr/bin/eu-stack)
==500881== by 0x4B6C217: (below main) (libc-start.c:308)
==500881== Address 0x4034018 is 24 bytes after the brk data segment limit
0x4034000
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