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authorEkaterina Orlova2023-04-21 15:35:39 +0100
committerLinus Torvalds2023-04-21 08:58:00 -0700
commit5a43001c01691dcbd396541e6faa2c0077378f48 (patch)
treee2464fd52685d2fedc2a14acf06eca3836b10c70 /scripts
parent2af3e53a4dc08657f1b46f97f04ff4a0ab3cad8d (diff)
ASN.1: Fix check for strdup() success
It seems there is a misprint in the check of strdup() return code that can lead to NULL pointer dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 4520c6a49af8 ("X.509: Add simple ASN.1 grammar compiler") Signed-off-by: Ekaterina Orlova <vorobushek.ok@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: keyrings@vger.kernel.org Cc: linux-kbuild@vger.kernel.org Link: https://lore.kernel.org/r/20230315172130.140-1-vorobushek.ok@gmail.com/ Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/asn1_compiler.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c
index 7b6756a8c15d..4c3f645065a4 100644
--- a/scripts/asn1_compiler.c
+++ b/scripts/asn1_compiler.c
@@ -625,7 +625,7 @@ int main(int argc, char **argv)
p = strrchr(argv[1], '/');
p = p ? p + 1 : argv[1];
grammar_name = strdup(p);
- if (!p) {
+ if (!grammar_name) {
perror(NULL);
exit(1);
}