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Bug #1343

closed

panic: vm_map_entry_link, dup addr map

Added by alexh over 15 years ago. Updated over 15 years ago.

Status:
Closed
Priority:
High
Assignee:
-
Category:
-
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:

Description

The attached test program, when ran with a high argument (100000 or more) causes
this panic.

(gdb) bt
#0 Debugger (msg=0xc056c357 "panic") at ../../platform/pc32/i386/db_interface.c:335
#1 0xc02f455a in panic (fmt=0xc05b8ea8 "vm_map_entry_link: dup addr map %p ent
%p") at ../../kern/kern_shutdown.c:798
#2 0xc04870c0 in _vm_map_clip_end (map=0xc204a1d0, entry=0xd36e6bc0, end=4096,
countp=0xd2baba6c) at ../../vm/vm_map.c:695
#3 0xc0487f57 in vm_map_stack (map=0xc204a1d0, addrbos=4294049792,
max_ssize=1052672, prot=7 '\a', max=7 '\a', cow=0) at ../../vm/vm_map.c:3064
#4 0xc0489bda in vm_mmap (map=0xc204a1d0, addr=0xd2babc88, size=1052672, prot=7
'\a', maxprot=7 '\a', flags=<value optimized out>, handle=0x0, foff=0) at
../../vm/vm_mmap.c:1106
#5 0xc048a231 in kern_mmap (vms=0xc204a1d0, uaddr=0xfff20000<error reading
variable>, ulen=1052672, uprot=<value optimized out>, uflags=1024, fd=-1,
upos=0, res=0xd2babcf0)
at ../../vm/vm_mmap.c:404
#6 0xc048a2aa in sys_mmap (uap=0xd2babcf0) at ../../vm/vm_mmap.c:419
#7 0xc05036f1 in syscall2 (frame=0xd2babd40) at
../../platform/pc32/i386/trap.c:1357
#8 0xc04f2aa6 in Xint0x80_syscall () at ../../platform/pc32/i386/exception.s:876
#9 0xd2babd40 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)


Files

readdir.c (1.15 KB) readdir.c alexh, 04/23/2009 07:44 AM
dump (172 KB) dump alexh, 04/23/2009 03:00 PM
test5.c (709 Bytes) test5.c alexh, 04/23/2009 05:40 PM
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