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libapparmor: alphasort directory traversals

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Directory traversal does not have a guaranteed walk order which can
cause ordering problems on profile loads when explicit dependencies
are missing.

Combined with MR:703 this provides a userspace work around for issue
147.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/147
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/706
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Steve Beattie <steve.beattie@canonical.com>
(cherry picked from commit fe477af62a)
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2021-02-11 03:54:44 -08:00
parent 4983fda88b
commit f79ea041a4
1 changed files with 1 additions and 1 deletions
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libraries/libapparmor/src/private.c
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@@ -474,7 +474,7 @@ int _aa_dirat_for_each(int dirfd, const char *name, void *data,
return -1;
}
num_dirs = readdirfd(cb_dirfd, &namelist, NULL);
num_dirs = readdirfd(cb_dirfd, &namelist, alphasort);
if (num_dirs == -1) {
PDEBUG("scandirat of directory '%s' failed: %m\n", name);
return -1;