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Date:      Wed, 28 Apr 2021 00:12:10 GMT
From:      Ed Maste <emaste@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 7452b2e44be6 - stable/12 - libkiconv: address memory leak in not-found cases
Message-ID:  <202104280012.13S0CAQo021452@gitrepo.freebsd.org>

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The branch stable/12 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=7452b2e44be687ba2916b1a80fbbe281f3edffb2

commit 7452b2e44be687ba2916b1a80fbbe281f3edffb2
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2021-04-21 17:45:27 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2021-04-28 00:11:42 +0000

    libkiconv: address memory leak in not-found cases
    
    Found in "Understanding and Detecting Disordered Error Handling with
    Precise Function Pairing" by Qiushi Wu et al.
    
    Reviewed by:    imp, jhb
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D29896
    
    (cherry picked from commit 3cfd08c1c74058451a02bac35307bf7fa509c617)
---
 lib/libkiconv/kiconv_sysctl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libkiconv/kiconv_sysctl.c b/lib/libkiconv/kiconv_sysctl.c
index da68b3011f36..841a162bfd27 100644
--- a/lib/libkiconv/kiconv_sysctl.c
+++ b/lib/libkiconv/kiconv_sysctl.c
@@ -59,6 +59,7 @@ kiconv_lookupconv(const char *drvname)
 				free(drivers);
 				return (0);
 			}
+		free(drivers);
 	}
 	return (ENOENT);
 }
@@ -86,6 +87,7 @@ kiconv_lookupcs(const char *tocode, const char *fromcode)
 				return (0);
 			}
 		}
+		free(csi);
 	}
 	return (ENOENT);
 }



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