Re: kern/54800: pool memory corruption

[Andrew Doran <ad%netbsd.org@localhost>]

The following reply was made to PR kern/54800; it has been noted by GNATS.

From: Andrew Doran <ad%netbsd.org@localhost>
To: maxv%netbsd.org@localhost, gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost,
	gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/54800: pool memory corruption
Date: Fri, 27 Dec 2019 01:20:01 +0000

 Max,
 
 On Thu, Dec 26, 2019 at 09:05:00AM +0000, martin%NetBSD.org@localhost wrote:
 
 > Hidden in the log of the currently failing qemu / anita sparc64 tesst
 > runs you can find this gem:
 > 
 > [ 422.4170018] pool_redzone_check: 0x1257a0c20: 0x00 != 0x66
 > [ 422.4170018] pool_redzone_check: 0x1257a0c21: 0x00 != 0x05
 > 
 > If I read that correctly, a single 16bit halfword supposed to be 0x0f66
 > has been overwritten with 0.
 > 
 > Side question: why is that not worth a panic?
 
 In rev 1.225 of subr_pool.c you changed this from a panic to a printf.
 It looks like we can make this a panic again.  Do you agree?
 
 Andrew