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Fix off-by-one when reading link name in sprof

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This commit is contained in:
Andreas Schwab 2011-11-04 10:21:15 +01:00
parent a9ae54a136
commit 10fb0bfab1
2 changed files with 5 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2011-11-04 Andreas Schwab <schwab@redhat.com>
* elf/sprof.c (load_shobj): Fix off-by-one when reading link name.
2011-11-03 Andreas Schwab <schwab@redhat.com>
* nscd/nscd.c (main): Don't start AVC thread until credentials are

2
elf/sprof.c
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@ -597,7 +597,7 @@ load_shobj (const char *name)
char origprocname[sizeof (procpath) + sizeof (int) * 3];
snprintf (origprocname, sizeof (origprocname), procpath, fd);
char *origlink = (char *) alloca (PATH_MAX);
ssize_t n = readlink (origprocname, origlink, PATH_MAX);
ssize_t n = readlink (origprocname, origlink, PATH_MAX - 1);
if (n == -1)
goto no_debuginfo;
origlink[n] = '\0';