runtime: handle sysReserve failure in mHeap_SysAlloc
sysReserve will return nil on failure - correctly handle this case and return nil to the caller. Currently, a failure will result in h.arena_end being set to psize, h.arena_used being set to zero and fun times ensue. On the openbsd/arm builder this has resulted in: runtime: address space conflict: map(0x0) = 0x40946000 fatal error: runtime: address space conflict When it should be reporting out of memory instead. Change-Id: Iba828d5ee48ee1946de75eba409e0cfb04f089d4 Reviewed-on: https://go-review.googlesource.com/15056Reviewed-by:Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by:
Austin Clements <austin@google.com>
Showing
Please
register
or
sign in
to comment