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author | Ulrich Drepper <drepper@gmail.com> | 2010-12-19 16:00:59 -0500 |
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committer | Ulrich Drepper <drepper@gmail.com> | 2010-12-19 16:00:59 -0500 |
commit | db753e2cfb2051ebf20dc089f87c5b1297cc2cff (patch) | |
tree | 5d68eb522e716f4a0ed441e60bb6259bafc40418 /sysdeps/unix/readdir_r.c | |
parent | 283007197c526f8f59bdc029a38d76538c70b0ff (diff) | |
download | glibc-db753e2cfb2051ebf20dc089f87c5b1297cc2cff.zip glibc-db753e2cfb2051ebf20dc089f87c5b1297cc2cff.tar.gz glibc-db753e2cfb2051ebf20dc089f87c5b1297cc2cff.tar.bz2 |
More accurate computatin of reclen in readdir_r.
Alignment issue can increase the reclen limit.
Make sure Linux 64-bit readdir_r also accounts for 64-bit alignment
in getdents.
Diffstat (limited to 'sysdeps/unix/readdir_r.c')
-rw-r--r-- | sysdeps/unix/readdir_r.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/unix/readdir_r.c b/sysdeps/unix/readdir_r.c index 9372791..e166174 100644 --- a/sysdeps/unix/readdir_r.c +++ b/sysdeps/unix/readdir_r.c @@ -117,7 +117,8 @@ __READDIR_R (DIR *dirp, DIRENT_TYPE *entry, DIRENT_TYPE **result) #ifdef GETDENTS_64BIT_ALIGNED /* The d_reclen value might include padding which is not part of the DIRENT_TYPE data structure. */ - reclen = MIN (reclen, sizeof (DIRENT_TYPE)); + reclen = MIN (reclen, + offsetof (DIRENT_TYPE, d_name) + sizeof (dp->d_name)); #endif *result = memcpy (entry, dp, reclen); #ifdef GETDENTS_64BIT_ALIGNED |