Re: kern/53674 (kASAN: Unauthorized Access in file_ctor)

[Thomas Klausner <wiz%NetBSD.org@localhost>]

The following reply was made to PR kern/53674; it has been noted by GNATS.

From: Thomas Klausner <wiz%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/53674 (kASAN: Unauthorized Access in file_ctor)
Date: Tue, 1 Jan 2019 18:18:43 +0100

 No, the problem is not fixed. It  appeared again with a kernel from Dec 29 (with your patch included).
 
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] kASan: Unauthorized Access In 0xffffffff80e8ac85: Addr 0xffffc400485064e8 [8 bytes, write]
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #0 0xffffffff80e8ac85 in file_ctor <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #1 0xffffffff80f177a1 in pool_cache_get_slow <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #2 0xffffffff80f197cc in pool_cache_get_paddr <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #3 0xffffffff80e8dae7 in fd_allocfile <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #4 0xffffffff80fa25f9 in do_open <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #5 0xffffffff80fa2969 in do_sys_openat <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #6 0xffffffff80fa2af4 in sys_open <netbsd>
 Dec 31 23:55:46 yt /netbsd: [ 91039.0390593] #7 0xffffffff802633a8 in syscall <netbsd>
 
  Thomas