linux-kernel - Re: kernel 2.6.39 (user mode linux) crashes (2.6.38 works fine)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <201105201058.20355.toralf.foerster@gmx.de>
Date:	Fri, 20 May 2011 10:58:19 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	"richard -rw- weinberger" <richard.weinberger@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: Re: kernel 2.6.39 (user mode linux) crashes (2.6.38 works fine)


richard -rw- weinberger wrote at 10:39:03
> 2011/5/20 richard -rw- weinberger <richard.weinberger@...il.com>:
> > Use "objdump -d -S | less" to find it.
> 
> Ick, I meant "objdump -d -S vmlinux | less"
Well (BTW nearly similar to the result of "objdump -d -S linux" ), but anyway 
here it is :

        spin_lock(&hb->lock);
        head = &hb->chain;

        plist_for_each_entry_safe(this, next, head, list) {
 80a9f48:       8b 48 08                mov    0x8(%eax),%ecx
 80a9f4b:       83 c2 08                add    $0x8,%edx
 80a9f4e:       8d 41 f4                lea    -0xc(%ecx),%eax
 80a9f51:       39 ca                   cmp    %ecx,%edx
 80a9f53:       8b 70 0c                mov    0xc(%eax),%esi
 80a9f56:       74 6a                   je     80a9fc2 <futex_wake+0xd2>
 80a9f58:       89 d9                   mov    %ebx,%ecx
 80a9f5a:       83 ee 0c                sub    $0xc,%esi
 80a9f5d:       89 d3                   mov    %edx,%ebx
 80a9f5f:       89 fa                   mov    %edi,%edx
 80a9f61:       89 cf                   mov    %ecx,%edi
 80a9f63:       eb 12                   jmp    80a9f77 <futex_wake+0x87>
 80a9f65:       8d 76 00                lea    0x0(%esi),%esi
 80a9f68:       8d 46 0c                lea    0xc(%esi),%eax
 80a9f6b:       8b 4e 0c                mov    0xc(%esi),%ecx
 80a9f6e:       39 c3                   cmp    %eax,%ebx
 80a9f70:       74 4e                   je     80a9fc0 <futex_wake+0xd0>
 80a9f72:       89 f0                   mov    %esi,%eax
 80a9f74:       8d 71 f4                lea    -0xc(%ecx),%esi
                if (match_futex (&this->key, &key)) {
 80a9f77:       83 f8 e4                cmp    $0xffffffe4,%eax
 80a9f7a:       74 ec                   je     80a9f68 <futex_wake+0x78>
 80a9f7c:       8b 48 1c                mov    0x1c(%eax),%ecx
 80a9f7f:       3b 4d e8                cmp    -0x18(%ebp),%ecx
 80a9f82:       75 e4                   jne    80a9f68 <futex_wake+0x78>
/*
 * Return 1 if two futex_keys are equal, 0 otherwise.
 */


-- 
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/