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From: Samuel Thibault <sthibaul@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] tst-*glob*: Do not check d_name size Date: Thu, 3 Aug 2023 20:47:23 +0000 (GMT) [thread overview] Message-ID: <20230803204723.A94B63858C27@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5e4435f960bb681cbea853fb41043fabeeaea1b4 commit 5e4435f960bb681cbea853fb41043fabeeaea1b4 Author: Samuel Thibault <samuel.thibault@ens-lyon.org> Date: Thu Aug 3 21:15:39 2023 +0200 tst-*glob*: Do not check d_name size Posix says that d_name is of unspecified size, and sizeof(d_name) should not be used. It is indeed only 1-byte long in bits/dirent.h. We can instead explictly provide the actual allocated size to __strcpy_chk. Diff: --- posix/tst-glob_lstat_compat.c | 2 +- posix/tst-gnuglob-skeleton.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/posix/tst-glob_lstat_compat.c b/posix/tst-glob_lstat_compat.c index 937ad77da3..6559954247 100644 --- a/posix/tst-glob_lstat_compat.c +++ b/posix/tst-glob_lstat_compat.c @@ -173,7 +173,7 @@ my_readdir (void *gdir) dir->d.d_type = filesystem[dir->idx].type; - strcpy (dir->d.d_name, filesystem[dir->idx].name); + __strcpy_chk (dir->d.d_name, filesystem[dir->idx].name, NAME_MAX); ++dir->idx; diff --git a/posix/tst-gnuglob-skeleton.c b/posix/tst-gnuglob-skeleton.c index 557cfcbd2a..998fc2d94d 100644 --- a/posix/tst-gnuglob-skeleton.c +++ b/posix/tst-gnuglob-skeleton.c @@ -222,7 +222,7 @@ my_readdir (void *gdir) dir->d.d_type = filesystem[dir->idx].type; - strcpy (dir->d.d_name, filesystem[dir->idx].name); + __strcpy_chk (dir->d.d_name, filesystem[dir->idx].name, NAME_MAX); if (test_verbose > 0) printf ("info: my_readdir ({ level: %d, idx: %ld })"
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