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| author | Nick Clifton <nickc@redhat.com> | 2021-01-14 09:15:13 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2021-01-14 09:15:13 +0000 |
| commit | 7e0d77ef5ffa7e47655db2a5df5082004f7c104e (patch) | |
| tree | 470243151515f6297d8b51b59b8ca28cecf0a2a5 /bfd/elf.c | |
| parent | 271bea6acd3759db96b33a30f110ee5e1f8146fc (diff) | |
| download | gdb-7e0d77ef5ffa7e47655db2a5df5082004f7c104e.zip gdb-7e0d77ef5ffa7e47655db2a5df5082004f7c104e.tar.gz gdb-7e0d77ef5ffa7e47655db2a5df5082004f7c104e.tar.bz2 | |
Fix an illegal memory access parsing a win32pstatus note with a type of 0.
* elf.c (elfcore_grok_win32pstatus): Check for a note type of 0.
Diffstat (limited to 'bfd/elf.c')
| -rw-r--r-- | bfd/elf.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -10163,7 +10163,8 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note) type = bfd_get_32 (abfd, note->descdata); - struct { + struct + { const char *type_name; unsigned long min_size; } size_check[] = @@ -10174,7 +10175,7 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note) { "NOTE_INFO_MODULE64", 16 }, }; - if (type > (sizeof(size_check)/sizeof(size_check[0]))) + if (type == 0 || type > (sizeof(size_check)/sizeof(size_check[0]))) return TRUE; if (note->descsz < size_check[type - 1].min_size) |