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Date: Wed, 1 Aug 2012 10:18:00 GMT
From: Andrey Zonov <andrey@zonov.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: [double fault] stack overflow in VOP_IOCTL_APV()
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>Number:         170309
>Category:       kern
>Synopsis:       double fault: stack overflow in VOP_IOCTL_APV()
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kib
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Aug 01 10:20:05 UTC 2012
>Closed-Date:    Mon Sep 24 11:14:46 UTC 2012
>Last-Modified:  Mon Sep 24 11:14:46 UTC 2012
>Originator:     Andrey Zonov
>Release:        9.0-STABLE
>Organization:
>Environment:
FreeBSD [snip] 9.0-STABLE FreeBSD 9.0-STABLE #2 r234600M: Fri May 25 14:06:59 MSK 2012     root@[snip]:/usr/obj/usr/src/sys/stable9-amd64-dtrace  amd64
>Description:
Backtrace:

Tracing pid 20444 tid 6507799 td 0xfffffe02905bd8e0
kdb_enter() at kdb_enter+0x3b
panic() at panic+0x180
dblfault_handler() at dblfault_handler+0xa4
Xdblfault() at Xdblfault+0xa8
--- trap 0x17, rip = 0xffffffff808a7177, rsp = 0xffffff80002e7ff0, rbp = 0xffffff8bf1cd0000 ---
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x7
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a
..
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a
vn_ioctl() at vn_ioctl+0xcc
kern_ioctl() at kern_ioctl+0x115
sys_ioctl() at sys_ioctl+0xfd
amd64_syscall() at amd64_syscall+0x5e3
Xfast_syscall() at Xfast_syscall+0xf7
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x71cf294c, rsp = 0x7fffffffd408, rbp = 0x7201ab00 ---
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->patched 
State-Changed-By: kib 
State-Changed-When: Thu Sep 13 13:11:44 UTC 2012 
State-Changed-Why:  
Patched in head, r240464. 


Responsible-Changed-From-To: freebsd-bugs->kib 
Responsible-Changed-By: kib 
Responsible-Changed-When: Thu Sep 13 13:11:44 UTC 2012 
Responsible-Changed-Why:  
Track. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=170309 
State-Changed-From-To: patched->closed 
State-Changed-By: kib 
State-Changed-When: Mon Sep 24 11:14:25 UTC 2012 
State-Changed-Why:  
Merged. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=170309 
>Unformatted:
