[Bug 52559] [PATCH] Some PROPPATCH causing segfault in mod_dav_fs / mod_dav

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=52559

--- Comment #5 from Wim Lewis <wi...@omnigroup.com> ---
I can confirm this crash still occurs in Apache 2.4.4: the PROPFIND causes a
segfault and leaves the zero-length DAV prop db behind. (However, the
zero-length prop db no longer causes later operations to crash the server, so
that's progress I guess.)


Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000010
0x0000000100602c53 in dav_propdb_apply_rollback ()
(gdb) bt
#0  0x0000000100602c53 in dav_propdb_apply_rollback ()
#1  0x00000001000c8d2d in dav_prop_rollback ()
#2  0x00000001000c1b0e in dav_process_ctx_list ()
#3  0x00000001000c2074 in dav_method_proppatch ()
#4  0x00000001000c7063 in dav_handler ()
#5  0x00000001000015ef in ap_run_handler ()
#6  0x0000000100001eaf in ap_invoke_handler ()
#7  0x000000010005b7de in ap_process_async_request ()
#8  0x000000010005b8b0 in ap_process_request ()
#9  0x00000001000573fb in ap_process_http_sync_connection ()
#10 0x00000001000574f6 in ap_process_http_connection ()
#11 0x0000000100019906 in ap_run_process_connection ()
#12 0x0000000100019dd7 in ap_process_connection ()
#13 0x00000001000e24d8 in child_main ()
#14 0x00000001000e25e4 in make_child ()
#15 0x00000001000e2c5d in prefork_run ()
#16 0x000000010001c47d in ap_run_mpm ()
#17 0x000000010000d924 in main ()

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