Re: pkg/50995: sigsegv in recv()

[christos%zoulas.com@localhost (Christos Zoulas)]

On Mar 31,  5:00am, dholland-pbugs%netbsd.org@localhost (David Holland) wrote:
-- Subject: Re: pkg/50995: sigsegv in recv()

| The following reply was made to PR pkg/50995; it has been noted by GNATS.
| 
| From: David Holland <dholland-pbugs%netbsd.org@localhost>
| To: gnats-bugs%NetBSD.org@localhost
| Cc: 
| Subject: Re: pkg/50995: sigsegv in recv()
| Date: Thu, 31 Mar 2016 04:56:35 +0000
| 
|  On Wed, Mar 30, 2016 at 04:15:00PM +0000, Patrick Welche wrote:
|   >  > (gdb) print this
|   >  > $7 = (BaseSocket * const) 0x7f7f00000001
|   >  > 
|   >  > isn't == 0x7f7fffffd320, I don't know...
|   >  > 
|   >  > > | #0  BaseSocket::readFromSocket (this=0x7f7f00000001, 
|   >  > > |     this@entry=0x7f7fffffd320, buff=buff@entry=0x7f7fffffd25e "", 
|   >  
|   >  Note that @entry *this is the expected 0x7f7fffffd320, and all that
|   >  happens of note is a call to select() and the recv() mentioned above.
|  
|  Wild speculation: is the number-of-fds argument to select larger than
|  FD_SETSIZE?

Perhaps!  Add a check in BaseSocket::checkForInput().

christos