diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2002-06-11 06:34:39 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2002-06-11 06:34:39 +0000 |
| commit | 043e0b6fbf2d17842e26c3e61b7800ff6cebd7b3 (patch) | |
| tree | e24ec2f802b7755059839f8a6b18be4fbb6792dc /usr.bin/pmdb/aout_syms.c | |
| parent | f1bb7fb5cfe9822f50143a03473f49e825e704bc (diff) | |
Fail if no symbol table is found, don't crash.
Diffstat (limited to 'usr.bin/pmdb/aout_syms.c')
| -rw-r--r-- | usr.bin/pmdb/aout_syms.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/usr.bin/pmdb/aout_syms.c b/usr.bin/pmdb/aout_syms.c index aea4b3d5b97..2773ef83b90 100644 --- a/usr.bin/pmdb/aout_syms.c +++ b/usr.bin/pmdb/aout_syms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: aout_syms.c,v 1.7 2002/06/09 04:59:04 fgsch Exp $ */ +/* $OpenBSD: aout_syms.c,v 1.8 2002/06/11 06:34:38 art Exp $ */ /* * Copyright (c) 2002 Federico Schwindt <fgsch@openbsd.org> * All rights reserved. @@ -133,6 +133,11 @@ aout_open(const char *name) ash->ash_symsize = ahdr.a_syms; stroff = N_STROFF(ahdr); + if (ahdr.a_syms == 0) { + warnx("No symbol table"); + goto fail; + } + if (pread(ash->ash_fd, &ash->ash_strsize, sizeof(u_int32_t), stroff) != sizeof(u_int32_t)) { warn("pread(strsize)"); |