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Fix potential NULL-write in aa_getprocattr() error path

Browse source 
https://bugs.launchpad.net/apparmor/+bug/1196880

Patch by Gernot Vormayr <gvormayr@gmail.com>

Acked-by: Seth Arnold <seth.arnold@canonical.com>
Acked-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Seth Arnold 2013-07-02 11:53:31 -07:00
parent 2c6e1b6e0f
commit b77a05aa52
1 changed files with 2 additions and 1 deletions
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1
libraries/libapparmor/src/kernel_interface.c
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@ -279,6 +279,7 @@ int aa_getprocattr(pid_t tid, const char *attr, char **buf, char **mode)
if (rc == -1) {
free(buffer);
*buf = NULL;
if (mode)
*mode = NULL;
} else
*buf = buffer;