diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2018-01-29 22:00:41 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-01-30 15:09:23 +0100 |
| commit | 830c1e3d16b2c1733cd1ec9c8f4d47a398ae31bc (patch) | |
| tree | e2e3d74ab82e1feb83e22dd9ce502f993de479d9 /tools/objtool | |
| parent | 17bc33914bcc98ba3c6b426fd1c49587a25c0597 (diff) | |
| download | linux-830c1e3d16b2c1733cd1ec9c8f4d47a398ae31bc.tar.bz2 | |
objtool: Warn on stripped section symbol
With the following fix:
2a0098d70640 ("objtool: Fix seg fault with gold linker")
... a seg fault was avoided, but the original seg fault condition in
objtool wasn't fixed. Replace the seg fault with an error message.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/dc4585a70d6b975c99fc51d1957ccdde7bd52f3a.1517284349.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/orc_gen.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index e61fe703197b..18384d9be4e1 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -98,6 +98,11 @@ static int create_orc_entry(struct section *u_sec, struct section *ip_relasec, struct orc_entry *orc; struct rela *rela; + if (!insn_sec->sym) { + WARN("missing symbol for section %s", insn_sec->name); + return -1; + } + /* populate ORC data */ orc = (struct orc_entry *)u_sec->data->d_buf + idx; memcpy(orc, o, sizeof(*orc)); |