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| author | David Lamparter <equinox@opensourcerouting.org> | 2021-11-10 15:30:07 +0100 |
|---|---|---|
| committer | David Lamparter <equinox@opensourcerouting.org> | 2021-11-10 15:30:56 +0100 |
| commit | 3942ee1f7bc754dd0dd9ae79f89d0f2635be334f (patch) | |
| tree | 9325f2076a5d28a08d871a4a1ea13eaf074ced77 /lib/elf_py.c | |
| parent | lib: avoid include loop with assert.h (diff) | |
| download | frr-3942ee1f7bc754dd0dd9ae79f89d0f2635be334f.tar.xz frr-3942ee1f7bc754dd0dd9ae79f89d0f2635be334f.zip | |
lib: fix elf_py TLS section handling
... need to ignore TLS sections, their address is effectively
meaningless but can overlap other sections we actually need to access.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Diffstat (limited to 'lib/elf_py.c')
| -rw-r--r-- | lib/elf_py.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/elf_py.c b/lib/elf_py.c index 1c306893a..f230add69 100644 --- a/lib/elf_py.c +++ b/lib/elf_py.c @@ -636,6 +636,9 @@ static Elf_Scn *elf_find_addr(struct elffile *ef, uint64_t addr, size_t *idx) Elf_Scn *scn = elf_getscn(ef->elf, i); GElf_Shdr _shdr, *shdr = gelf_getshdr(scn, &_shdr); + /* virtual address is kinda meaningless for TLS sections */ + if (shdr->sh_flags & SHF_TLS) + continue; if (addr < shdr->sh_addr || addr >= shdr->sh_addr + shdr->sh_size) continue; |