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| author | Florian Weimer <fweimer@redhat.com> | 2017-11-11 11:41:45 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2017-11-11 11:41:45 +0100 |
| commit | 9e0ad3049dbae88d615bfb038e53bf365a39a634 (patch) | |
| tree | d32e5a7fdec7a85c68fe33208868a46bdab441dd /resolv/ns_name.c | |
| parent | e2a9fca8101443076235a8dbcfceaa2d96bf4801 (diff) | |
| download | glibc-9e0ad3049dbae88d615bfb038e53bf365a39a634.tar.gz glibc-9e0ad3049dbae88d615bfb038e53bf365a39a634.tar.xz glibc-9e0ad3049dbae88d615bfb038e53bf365a39a634.zip | |
resolv: ns_name_pton should report trailing \ as error [BZ #22413]
Diffstat (limited to 'resolv/ns_name.c')
| -rw-r--r-- | resolv/ns_name.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/resolv/ns_name.c b/resolv/ns_name.c index 08a75e2fe0..73213fee2d 100644 --- a/resolv/ns_name.c +++ b/resolv/ns_name.c @@ -222,6 +222,11 @@ ns_name_pton(const char *src, u_char *dst, size_t dstsiz) } *bp++ = (u_char)c; } + if (escaped) { + /* Trailing backslash. */ + __set_errno (EMSGSIZE); + return -1; + } c = (bp - label - 1); if ((c & NS_CMPRSFLGS) != 0) { /*%< Label too big. */ __set_errno (EMSGSIZE); |