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| author | Ren Kimura <rkx1209dev@gmail.com> | 2019-07-23 07:33:32 +0000 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-07-23 07:33:32 +0000 |
| commit | b1bc0f50350a568e67ed731c4fec2c72847f15fe (patch) | |
| tree | 3deeccfb1092757e523ad24bd55c6e107b61cfd5 /libiberty | |
| parent | c0cdef59af5cc7fb67dc8ad4fc501ac47ab88aaf (diff) | |
| download | gcc-b1bc0f50350a568e67ed731c4fec2c72847f15fe.zip gcc-b1bc0f50350a568e67ed731c4fec2c72847f15fe.tar.gz gcc-b1bc0f50350a568e67ed731c4fec2c72847f15fe.tar.bz2 | |
libiberty: Check zero value shstrndx in simple-object-elf.c
From-SVN: r273718
Diffstat (limited to 'libiberty')
| -rw-r--r-- | libiberty/ChangeLog | 5 | ||||
| -rw-r--r-- | libiberty/simple-object-elf.c | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index a0508e9..ddd9618 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,8 @@ +2019-07-12 Ren Kimura <rkx1209dev@gmail.com> + + * simple-object-elf.c (simple_object_elf_match): Check zero value shstrndx. + This fixes a Bug 90924. + 2019-07-22 Martin Liska <mliska@suse.cz> * simple-object-elf.c (simple_object_elf_copy_lto_debug_sections): diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c index 5023889..bdee963 100644 --- a/libiberty/simple-object-elf.c +++ b/libiberty/simple-object-elf.c @@ -548,7 +548,15 @@ simple_object_elf_match (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN], XDELETE (eor); return NULL; } - + + if (eor->shstrndx == 0) + { + *errmsg = "invalid ELF shstrndx == 0"; + *err = 0; + XDELETE (eor); + return NULL; + } + return (void *) eor; } |