Re: kern/54800: pool memory corruption

[Maxime Villard <max%m00nbsd.net@localhost>]

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

From: Maxime Villard <max%m00nbsd.net@localhost>
To: Andrew Doran <ad%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 09:04:40 +0100

 Le 27/12/2019 à 02:20, Andrew Doran a écrit :
 > 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
 
 (Have to leave right now but will look at and fix it tonight)