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| author | Sverker Eriksson <[email protected]> | 2013-12-11 19:43:19 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2013-12-11 19:45:07 +0100 |
| commit | 289f77ff40833b8b95331efddeaaf29d1af21bae (patch) | |
| tree | 5452ac48c9ffdf4ed7f67f0cb79bc809351a7b5a /erts/emulator/beam | |
| parent | 6d22d78204ca8bc8ed4beb92f6021ff3ba93a882 (diff) | |
| download | otp-289f77ff40833b8b95331efddeaaf29d1af21bae.tar.gz otp-289f77ff40833b8b95331efddeaaf29d1af21bae.tar.bz2 otp-289f77ff40833b8b95331efddeaaf29d1af21bae.zip | |
erts: Fix valgrind warning for re_SUITE:error_handling
by making sure we at least can read the first four bytes
of a compiled regexp where the 'magic_number' is located.
Diffstat (limited to 'erts/emulator/beam')
| -rw-r--r-- | erts/emulator/beam/erl_bif_re.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c index 99c31738a5..448c6f6f6d 100644 --- a/erts/emulator/beam/erl_bif_re.c +++ b/erts/emulator/beam/erl_bif_re.c @@ -1196,8 +1196,8 @@ re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3) ovsize = 3*(unsigned_val(tp[2])+1); code_size = binary_size(tp[5]); - if ((code_tmp = (const pcre *) - erts_get_aligned_binary_bytes(tp[5], &temp_alloc)) == NULL) { + code_tmp = (const pcre *) erts_get_aligned_binary_bytes(tp[5], &temp_alloc); + if (code_tmp == NULL || code_size < 4) { erts_free_aligned_binary_bytes(temp_alloc); BIF_ERROR(p, BADARG); } |