mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-12-08 23:03:46 +00:00
71 lines
2.2 KiB
Diff
71 lines
2.2 KiB
Diff
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diff --git a/bfd/elf.c b/bfd/elf.c
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index c884d1d..c8ac826 100644
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--- a/bfd/elf.c
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+++ b/bfd/elf.c
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@@ -608,9 +608,10 @@ setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect)
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if (shdr->contents == NULL)
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{
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_bfd_error_handler
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- (_("%B: Corrupt size field in group section header: 0x%lx"), abfd, shdr->sh_size);
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+ (_("%B: corrupt size field in group section header: 0x%lx"), abfd, shdr->sh_size);
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bfd_set_error (bfd_error_bad_value);
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- return FALSE;
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+ -- num_group;
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+ continue;
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}
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memset (shdr->contents, 0, amt);
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@@ -618,8 +619,17 @@ setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect)
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if (bfd_seek (abfd, shdr->sh_offset, SEEK_SET) != 0
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|| (bfd_bread (shdr->contents, shdr->sh_size, abfd)
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!= shdr->sh_size))
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- return FALSE;
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-
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+ {
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+ _bfd_error_handler
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+ (_("%B: invalid size field in group section header: 0x%lx"), abfd, shdr->sh_size);
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+ bfd_set_error (bfd_error_bad_value);
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+ -- num_group;
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+ /* PR 17510: If the group contents are even partially
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+ corrupt, do not allow any of the contents to be used. */
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+ memset (shdr->contents, 0, amt);
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+ continue;
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+ }
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+
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/* Translate raw contents, a flag word followed by an
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array of elf section indices all in target byte order,
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to the flag word followed by an array of elf section
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@@ -651,6 +661,21 @@ setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect)
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}
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}
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}
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+
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+ /* PR 17510: Corrupt binaries might contain invalid groups. */
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+ if (num_group != (unsigned) elf_tdata (abfd)->num_group)
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+ {
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+ elf_tdata (abfd)->num_group = num_group;
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+
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+ /* If all groups are invalid then fail. */
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+ if (num_group == 0)
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+ {
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+ elf_tdata (abfd)->group_sect_ptr = NULL;
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+ elf_tdata (abfd)->num_group = num_group = -1;
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+ (*_bfd_error_handler) (_("%B: no valid group sections found"), abfd);
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+ bfd_set_error (bfd_error_bad_value);
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+ }
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+ }
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}
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}
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@@ -716,6 +741,7 @@ setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect)
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{
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(*_bfd_error_handler) (_("%B: no group info for section %A"),
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abfd, newsect);
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+ return FALSE;
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}
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return TRUE;
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}
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--
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1.7.1
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