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authorNick Clifton <nickc@redhat.com>2014-11-18 14:40:05 +0000
committerNick Clifton <nickc@redhat.com>2014-11-18 14:40:05 +0000
commit6937bb54a9c3ddc7ba330bc18af76f8dbe856ac3 (patch)
treeef3620d4de908919f540cbb095a7f9f62da9d72c /gdb/psymtab.c
parentde84aee38c50fd306876cdbf92007afaacbfab4d (diff)
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More fixes for illegal memory accesses exposed by fuzzed binaries.
PR binutils/17512 * peXXIgen.c (pe_print_pdata): Fail if the section's virtual size is larger than its real size. (rsrc_print_section): Fix off-by-one error checking for overflow. * pei-x86_64.c (pex64_bfd_print_pdata): Handle empty unwind sections. * dwarf.c (get_encoded_value): Warn and return if the encoded value is more than 64-bits long. (SAFE_BYTE_GET): Do not attempt to read more than 64-bits. (process_extended_line_op): Add more range checks. (decode_location_expression): Use the return value from display_block. Add more range checks. (read_debug_line_header): Add range check. (display_debug_lines_raw): Add range checks. (display_debug_frames): Silently skip multiple zero terminators. Add range checks. (process_cu_tu_index): Check for non-existant or empty sections. Use SAFE_BYTE_GET instead of byte_get.
Diffstat (limited to 'gdb/psymtab.c')
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