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crash on removal (w/ locking)

From: David Waite <mass_at_akuma.org>
Date: 2003-01-07 19:05:04 CET

With apache/apr* HEAD and svn head, I got a apache crash on delete. My
svn repository is set up with mod_dav_lock.

The relevant portion of the stack trace:

Program received signal SIGSEGV, Segmentation fault.
0x403f9c17 in dav_auto_checkin (r=0x8191af0, resource=0xbffff714, undo=0,
    unlock=1, av_info=0x0) at util.c:2022
2022 if (av_info->parent_resource != NULL &&
av_info->parent_resource->working
(gdb) bt
#0 0x403f9c17 in dav_auto_checkin (r=0x8191af0, resource=0xbffff714,
undo=0,
    unlock=1, av_info=0x0) at util.c:2022
#1 0x403fa3ee in dav_unlock_walker (wres=0xbffff704, calltype=1)
    at util_lock.c:423

it looks like dav_unlock_walker calls dav_auto_checkin with av_info
always set to NULL, but no NULL check is performed in dav_auto_checkin

-David Waite

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Received on Tue Jan 7 19:06:01 2003

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