diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/utils.c | 2 | ||||
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 15 |
2 files changed, 10 insertions, 7 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index e4ad7dcb24..8d4073f40f 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -2647,7 +2647,7 @@ tailrecur_ne: FloatDef f1, f2; Eterm big; #if HEAP_ON_C_STACK - Eterm big_buf[32]; /* If HEAP_ON_C_STACK */ + Eterm big_buf[CMP_TMP_HEAP_SIZE]; /* If HEAP_ON_C_STACK */ #else Eterm *big_buf = erts_get_scheduler_data()->cmp_tmp_heap; #endif diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 1fe9e04341..dcc2954b02 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -10269,6 +10269,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) int code; void * extra = NULL; char * ptr; + int nsz; inet_input_count(desc, n); udesc->i_ptr += n; @@ -10282,17 +10283,19 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) ptr = udesc->i_buf->orig_bytes + sizeof(other) - len; sys_memcpy(ptr, abuf, len); + nsz = udesc->i_ptr - ptr; + /* Check if we need to reallocate binary */ - if ((desc->mode == INET_MODE_BINARY) && - (desc->hsz < (udesc->i_ptr - ptr)) && - ((udesc->i_ptr - ptr) + BIN_REALLOC_MARGIN(desc->bufsz) >= - udesc->i_bufsz)) { + if ((desc->mode == INET_MODE_BINARY) + && (desc->hsz < (nsz - len)) + && (nsz + BIN_REALLOC_MARGIN(desc->bufsz) < udesc->i_bufsz)) { ErlDrvBinary* tmp; int bufsz; bufsz = udesc->i_ptr - udesc->i_buf->orig_bytes; if ((tmp = realloc_buffer(udesc->i_buf, bufsz)) != NULL) { udesc->i_buf = tmp; udesc->i_bufsz = bufsz; + udesc->i_ptr = NULL; /* not used from here */ } } #ifdef HAVE_SCTP @@ -10300,8 +10303,8 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) #endif /* Actual parsing and return of the data received, occur here: */ code = packet_reply_binary_data(desc, len, udesc->i_buf, - ptr - udesc->i_buf->orig_bytes, - udesc->i_ptr - ptr, + (sizeof(other) - len), + nsz, extra); free_buffer(udesc->i_buf); udesc->i_buf = NULL; |