Hi Cy,
On Tue, Dec 05, 2017 at 08:30:07PM -0800, Cy Schubert wrote:
C> Hi Gleb,
C>
C> I'm getting a segfault here.
C>
C> [New LWP 101396]
C> Core was generated by `logger -p daemon.notice -t local-dhclient(lagg0):4629
C> 2 dhclient-script for inter'.
C> Program terminated with signal SIGSEGV, Segmentation fault.
C> #0 0x0000000000402152 in main (argc=<optimized out>, argv=<optimized out>)
C> at /opt/src/svn-current/usr.bin/logger/logger.c:186
C> 186 *strchr(hostname, '.') = '\0';
C> (gdb) bt
C> #0 0x0000000000402152 in main (argc=<optimized out>, argv=<optimized out>)
C> at /opt/src/svn-current/usr.bin/logger/logger.c:186
C> (gdb)
Mea culpa! Can you please test the attached patch?
--
Gleb Smirnoff
Index: logger.c
===================================================================
--- logger.c (revision 326614)
+++ logger.c (working copy)
@@ -183,7 +183,7 @@ main(int argc, char *argv[])
if (hostname == NULL) {
hostname = hbuf;
(void )gethostname(hbuf, MAXHOSTNAMELEN);
- *strchr(hostname, '.') = '\0';
+ *strchrnul(hostname, '.') = '\0';
}
/* log input line if appropriate */
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