diff options
| author | Mark Wielaard <mark@klomp.org> | 2019-04-28 13:40:45 +0200 |
|---|---|---|
| committer | Mark Wielaard <mark@klomp.org> | 2019-04-28 13:40:45 +0200 |
| commit | 7190c2043152477b720e204166d0690da9c7b913 (patch) | |
| tree | d8d627a379fe1c92ae253a169c45feb56615df7b | |
| parent | 6f42d2dc90d2e0cfb3974f67e2ffe3d7b1723157 (diff) | |
| download | elfutils-7190c2043152477b720e204166d0690da9c7b913.tar.gz | |
libebl: Check ebl is not NULL in ebl_symbol_[binding|type]_name.
For STB_GNU_UNIQUE and STT_GNU_IFUNC we need to check the elf of the
given ebl. Make sure the ebl given isn't NULL.
Signed-off-by: Mark Wielaard <mark@klomp.org>
| -rw-r--r-- | libebl/ChangeLog | 7 | ||||
| -rw-r--r-- | libebl/eblsymbolbindingname.c | 1 | ||||
| -rw-r--r-- | libebl/eblsymboltypename.c | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/libebl/ChangeLog b/libebl/ChangeLog index acc68919..e050bfc1 100644 --- a/libebl/ChangeLog +++ b/libebl/ChangeLog @@ -1,3 +1,10 @@ +2019-04-28 Mark Wielaard <mark@klomp.org> + + * eblsymbolbindingname.c (ebl_symbol_binding_name): Check ebl is + not NULL for STB_GNU_UNIQUE. + * eblsymboltypename.c (ebl_symbol_type_name): Check ebl is not + NULL for STT_GNU_IFUNC. + 2019-01-29 Mark Wielaard <mark@klomp.org> * eblobjnote.c (ebl_object_note): Check pr_datasz padding doesn't diff --git a/libebl/eblsymbolbindingname.c b/libebl/eblsymbolbindingname.c index 97974253..75565fe8 100644 --- a/libebl/eblsymbolbindingname.c +++ b/libebl/eblsymbolbindingname.c @@ -58,6 +58,7 @@ ebl_symbol_binding_name (Ebl *ebl, int binding, char *buf, size_t len) if (binding >= STB_LOPROC && binding <= STB_HIPROC) snprintf (buf, len, "LOPROC+%d", binding - STB_LOPROC); else if (binding == STB_GNU_UNIQUE + && ebl != NULL && (ident = elf_getident (ebl->elf, NULL)) != NULL && ident[EI_OSABI] == ELFOSABI_LINUX) return "GNU_UNIQUE"; diff --git a/libebl/eblsymboltypename.c b/libebl/eblsymboltypename.c index 09fa8748..53b145a8 100644 --- a/libebl/eblsymboltypename.c +++ b/libebl/eblsymboltypename.c @@ -64,6 +64,7 @@ ebl_symbol_type_name (Ebl *ebl, int symbol, char *buf, size_t len) if (symbol >= STT_LOPROC && symbol <= STT_HIPROC) snprintf (buf, len, "LOPROC+%d", symbol - STT_LOPROC); else if (symbol == STT_GNU_IFUNC + && ebl != NULL && (ident = elf_getident (ebl->elf, NULL)) != NULL && ident[EI_OSABI] == ELFOSABI_LINUX) return "GNU_IFUNC"; |