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| author | Lukas Larsson <[email protected]> | 2017-03-01 10:36:55 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2017-03-01 10:36:55 +0100 |
| commit | e91f1fc6f07dfe99b73661e8d431a51f6f996b0f (patch) | |
| tree | 195873956ad55dbf20b67e9d041c7ac9dda94422 /erts/emulator/beam/io.c | |
| parent | c1ea854fac3d8ed144c7fcc909a4671331e43c16 (diff) | |
| parent | 55f203d6af5cebee168814a8f57f4b2273fa2878 (diff) | |
| download | otp-e91f1fc6f07dfe99b73661e8d431a51f6f996b0f.tar.gz otp-e91f1fc6f07dfe99b73661e8d431a51f6f996b0f.tar.bz2 otp-e91f1fc6f07dfe99b73661e8d431a51f6f996b0f.zip | |
Merge branch 'maint'
Diffstat (limited to 'erts/emulator/beam/io.c')
| -rw-r--r-- | erts/emulator/beam/io.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index ebff564421..ddff862607 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4887,10 +4887,18 @@ erts_port_control(Process* c_p, copy = 1; else { ProcBin *pb = (ProcBin *) ebinp; + int offset = bufp - pb->val->orig_bytes; - if (pb->flags) + ASSERT(pb->val->orig_bytes <= bufp + && bufp + size <= pb->val->orig_bytes + pb->val->orig_size); + + if (pb->flags) { erts_emasculate_writable_binary(pb); + /* The procbin may have been reallocated, so update bufp */ + bufp = pb->val->orig_bytes + offset; + } + binp = pb->val; ASSERT(bufp <= bufp + size); ASSERT(binp->orig_bytes <= bufp |