Re: kern/53261: kernel crash during test run

[Kamil Rytarowski <n54%gmx.com@localhost>]

The following reply was made to PR kern/53261; it has been noted by GNATS.

From: Kamil Rytarowski <n54%gmx.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/53261: kernel crash during test run
Date: Wed, 23 May 2018 12:55:37 +0200

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 From: Kamil Rytarowski <n54%gmx.com@localhost>
 To: gnats-bugs%NetBSD.org@localhost
 Message-ID: <74b2987a-7bb8-5b2a-d12a-f61658d81b33%gmx.com@localhost>
 Subject: Re: kern/53261: kernel crash during test run
 References: <pr-kern-53261%gnats.netbsd.org@localhost>
  <20180523105001.5820C7A21F%mollari.NetBSD.org@localhost>
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 On 23.05.2018 12:50, Martin Husemann wrote:
 > The following reply was made to PR kern/53261; it has been noted by GNA=
 TS.
 >=20
 > From: Martin Husemann <martin%duskware.de@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:=20
 > Subject: Re: kern/53261: kernel crash during test run
 > Date: Wed, 23 May 2018 12:48:50 +0200
 >=20
 >  uwe@ pointed out that ubsan uses syscall(2) for mmap(2), which is wron=
 g.
 > =20
 >  So we have two bugs here:
 > =20
 >   - ubsan doing a misaligned mmap() syscall
 
 Fixed upstream:
 
 http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_commo=
 n/sanitizer_linux.cc?r1=3D333075&r2=3D333074&pathrev=3D333075
 
 >   - the arm kernel not dealing properly with that (that is: killing the=
 
 >     userland process instead of crashing the kernel)
 > =20
 >  Martin
 > =20
 >=20
 
 
 
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