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| author | Henrik Nord <[email protected]> | 2011-09-08 16:31:45 +0200 |
|---|---|---|
| committer | Henrik Nord <[email protected]> | 2011-09-08 16:31:49 +0200 |
| commit | b65eb33effd41e3421acdc46bb5b6495c814d2b7 (patch) | |
| tree | c361fcc3f241afb0603493f6c1861fce16caa7ba /lib/erl_interface/src | |
| parent | b9cc262cb672c70a3031d9feb66ea428dafe796d (diff) | |
| parent | 9cf9cde066d26569178f5f67600278ae67e102dd (diff) | |
| download | otp-b65eb33effd41e3421acdc46bb5b6495c814d2b7.tar.gz otp-b65eb33effd41e3421acdc46bb5b6495c814d2b7.tar.bz2 otp-b65eb33effd41e3421acdc46bb5b6495c814d2b7.zip | |
Merge branch 'ms/ei-int-overflow-in-string-atom-enc' into dev
* ms/ei-int-overflow-in-string-atom-enc:
ei: integer overflow in string/atom encoding
OTP-9530
Diffstat (limited to 'lib/erl_interface/src')
| -rw-r--r-- | lib/erl_interface/src/encode/encode_atom.c | 6 | ||||
| -rw-r--r-- | lib/erl_interface/src/encode/encode_string.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/lib/erl_interface/src/encode/encode_atom.c b/lib/erl_interface/src/encode/encode_atom.c index 69f2d1451c..b1a4479034 100644 --- a/lib/erl_interface/src/encode/encode_atom.c +++ b/lib/erl_interface/src/encode/encode_atom.c @@ -17,13 +17,17 @@ * %CopyrightEnd% */ #include <string.h> +#include <limits.h> #include "eidef.h" #include "eiext.h" #include "putget.h" int ei_encode_atom(char *buf, int *index, const char *p) { - return ei_encode_atom_len(buf, index, p, strlen(p)); + size_t len = strlen(p); + + if (len >= INT_MAX) return -1; + return ei_encode_atom_len(buf, index, p, len); } int ei_encode_atom_len(char *buf, int *index, const char *p, int len) diff --git a/lib/erl_interface/src/encode/encode_string.c b/lib/erl_interface/src/encode/encode_string.c index 1d342cb605..593bbf2b6d 100644 --- a/lib/erl_interface/src/encode/encode_string.c +++ b/lib/erl_interface/src/encode/encode_string.c @@ -17,6 +17,7 @@ * %CopyrightEnd% */ #include <string.h> +#include <limits.h> #include "eidef.h" #include "eiext.h" #include "putget.h" @@ -24,7 +25,10 @@ int ei_encode_string(char *buf, int *index, const char *p) { - return ei_encode_string_len(buf, index, p, strlen(p)); + size_t len = strlen(p); + + if (len >= INT_MAX) return -1; + return ei_encode_string_len(buf, index, p, len); } int ei_encode_string_len(char *buf, int *index, const char *p, int len) |