Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb9577958d85896303561d9cc8544885deb272be
Commit: cb9577958d85896303561d9cc8544885deb272be
Parent: 516a9491151d5f75911647dd44812f25ff24282d
Author: Kyle McMartin <[EMAIL PROTECTED]>
AuthorDate: Wed May 30 02:24:28 2007 -0400
Committer: Kyle McMartin <[EMAIL PROTECTED]>
CommitDate: Wed May 30 02:24:28 2007 -0400
[PARISC] fix null ptr deref in unwind.c
commit ffb45122766db220d0bf3d01848d575fbbcb6430 removed one too many args.
kallsyms_lookup is not safe to call with a NULL *modname. Paper bag over the
problem for the time being.
Signed-off-by: Kyle McMartin <[EMAIL PROTECTED]>
---
arch/parisc/kernel/unwind.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 89c0370..e70f57e 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -216,8 +216,10 @@ static void unwind_frame_regs(struct unwind_frame_info
*info)
/* Handle some frequent special cases.... */
{
char symname[KSYM_NAME_LEN+1];
+ char *modname;
- kallsyms_lookup(info->ip, NULL, NULL, NULL, symname);
+ kallsyms_lookup(info->ip, NULL, NULL, &modname,
+ symname);
dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname);
-
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