diff options
| author |   martynas <martynas@openbsd.org> | 2009-06-11 12:57:37 +0000 |
|---|---|---|
| committer | martynas <martynas@openbsd.org> | 2009-06-11 12:57:37 +0000 |
| commit | f4514f752a57a92bd51b86e87657bebae61c5043 (patch) | |
| tree | a6ea6641567e23ba4aea41b7b2249d8e951acfe1 | |
| parent | tab indent SO_RDOMAIN, like all the other SO_* defines. (diff) | |
| download | wireguard-openbsd-f4514f752a57a92bd51b86e87657bebae61c5043.tar.xz wireguard-openbsd-f4514f752a57a92bd51b86e87657bebae61c5043.zip | |
don't use freelist if it overruns; use heap memory instead not
trying to allocate large blocks from bss memory pool in this case.
problem reported by Maksymilian Arciemowicz. ok otto@, millert@
| -rw-r--r-- | lib/libc/gdtoa/misc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/gdtoa/misc.c b/lib/libc/gdtoa/misc.c index b3ce7c9b8a4..6fd48e65192 100644 --- a/lib/libc/gdtoa/misc.c +++ b/lib/libc/gdtoa/misc.c @@ -55,7 +55,7 @@ Balloc #endif ACQUIRE_DTOA_LOCK(0); - if ( (rv = freelist[k]) !=0) { + if (k <= Kmax && (rv = freelist[k]) !=0) { freelist[k] = rv->next; } else { @@ -65,7 +65,7 @@ Balloc #else len = (sizeof(Bigint) + (x-1)*sizeof(ULong) + sizeof(double) - 1) /sizeof(double); - if (pmem_next - private_mem + len <= PRIVATE_mem) { + if (k <= Kmax && pmem_next - private_mem + len <= PRIVATE_mem) { rv = (Bigint*)pmem_next; pmem_next += len; } @@ -89,6 +89,10 @@ Bfree #endif { if (v) { + if (v->k > Kmax) { + free(v); + return; + } ACQUIRE_DTOA_LOCK(0); v->next = freelist[v->k]; freelist[v->k] = v; |