The patch titled
fix possible null ptr deref in kallsyms_lookup
has been added to the -mm tree. Its filename is
fix-possible-null-ptr-deref-in-kallsyms_lookup.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: fix possible null ptr deref in kallsyms_lookup
From: Kyle McMartin <kyle@xxxxxxxxxxxxxxxx>
ugh, this function gets called by our unwinder. recursive backtrace for
the win... bisection to find this one was "fun."
Signed-off-by: Kyle McMartin <kyle@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kallsyms.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/kallsyms.c~fix-possible-null-ptr-deref-in-kallsyms_lookup kernel/kallsyms.c
--- a/kernel/kallsyms.c~fix-possible-null-ptr-deref-in-kallsyms_lookup
+++ a/kernel/kallsyms.c
@@ -257,7 +257,8 @@ const char *kallsyms_lookup(unsigned lon
pos = get_symbol_pos(addr, symbolsize, offset);
/* Grab name */
kallsyms_expand_symbol(get_symbol_offset(pos), namebuf);
- *modname = NULL;
+ if (modname)
+ *modname = NULL;
return namebuf;
}
_
Patches currently in -mm which might be from kyle@xxxxxxxxxxxxxxxx are
fix-possible-null-ptr-deref-in-kallsyms_lookup.patch
git-parisc.patch
-
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