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Segfault in 1.6.x (with serf, methinks)

From: Hyrum K. Wright <hyrum_at_hyrumwright.org>
Date: Mon, 20 Jul 2009 17:10:24 -0700

A recent segfault encountered while running 1.6.x:

(gdb) r up
Starting program: /home/hwright/dev/svn-1.6.x/subversion/svn/svn up
[Thread debugging using libthread_db enabled]
[New Thread 0x7ff9ee041760 (LWP 10097)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ff9ee041760 (LWP 10097)]
apr_allocator_alloc (allocator=0x0, size=16320) at memory/unix/
apr_pools.c:219
219 if (index <= allocator->max_index) {
(gdb) backtrace
#0 apr_allocator_alloc (allocator=0x0, size=16320) at memory/unix/
apr_pools.c:219
#1 0x00007ff9edc42a8c in serf_bucket_mem_alloc (allocator=0xfbd350,
size=16320)
     at buckets/allocator.c:197
#2 0x00007ff9edc43f37 in serf_bucket_ssl_create (ssl_ctx=0x138,
     allocator=0xf345d0, type=0x7ff9ede47ba0) at buckets/ssl_buckets.c:
911
#3 0x00007ff9edc442b0 in serf_bucket_ssl_decrypt_create
(stream=0xe31998,
     ssl_ctx=0x0, allocator=0xf345d0) at buckets/ssl_buckets.c:1048
#4 0x000000000050f4f8 in svn_ra_serf__conn_setup (sock=0xf64130,
baton=0xfb58c0,
     pool=0xded4b0) at subversion/libsvn_ra_serf/util.c:238
#5 0x00007ff9edc405e6 in serf_event_trigger (s=<value optimized out>,
     serf_baton=0xdedd70, desc=<value optimized out>) at context.c:673
#6 0x00007ff9edc40953 in serf_context_run (ctx=0xfc26e0,
     duration=<value optimized out>, pool=<value optimized out>) at
context.c:1143
#7 0x000000000050fc0d in svn_ra_serf__context_run_wait
(done=0x7ffff6065c28,
     sess=0xf80290, pool=0xdeccf0) at subversion/libsvn_ra_serf/util.c:
534
#8 0x0000000000506fa5 in exchange_capabilities (serf_sess=0xf80290,
pool=0xdeccf0)
     at subversion/libsvn_ra_serf/serf.c:184
#9 0x0000000000507d93 in svn_ra_serf__open (session=0xe27aa0,
     repos_URL=0xdf7e00 "https://svn.collab.net/repos/svn/trunk",
     callbacks=0xfc1e80, callback_baton=0xf95770, config=0xde4380,
pool=0xdeccf0)
     at subversion/libsvn_ra_serf/serf.c:581
#10 0x000000000049c0c0 in svn_ra_open3 (session_p=0x7ffff6066110,
     repos_URL=0xdf7e00 "https://svn.collab.net/repos/svn/trunk",
     uuid=0xdf30c0 "612f8ebc-c883-4be0-9ee0-a4e9ef946e3a",
callbacks=0xfc1e80,
     callback_baton=0xf95770, config=0xde4380, pool=0xdeccf0)
     at subversion/libsvn_ra/ra_loader.c:480
#11 0x0000000000455c93 in svn_client__open_ra_session_internal (
     ra_session=0x7ffff6066110,
     base_url=0xdf7e00 "https://svn.collab.net/repos/svn/trunk",
     base_dir=0xdedb40 "", base_access=0xdedaf0, commit_items=0x0,
use_admin=1,
     read_only_wc=1, ctx=0xde42d0, pool=0xdeccf0)
     at subversion/libsvn_client/ra.c:295
#12 0x000000000045c3df in svn_client__update_internal
(result_rev=0x7ffff6066240,
     path=0xdecbd0 "", revision=0x7ffff6066388, depth=svn_depth_unknown,
     depth_is_sticky=0, ignore_externals=0, allow_unver_obstructions=0,
     timestamp_sleep=0x7ffff6066260, send_copyfrom_args=1, ctx=0xde42d0,
     pool=0xdeccf0) at subversion/libsvn_client/update.c:207
#13 0x000000000045ca87 in svn_client_update3 (result_revs=0x0,
paths=0xdecb70,
     revision=0x7ffff6066388, depth=svn_depth_unknown,
depth_is_sticky=0,
     ignore_externals=0, allow_unver_obstructions=0, ctx=0xde42d0,
pool=0xde2bb0)
     at subversion/libsvn_client/update.c:346
#14 0x000000000041ccff in svn_cl__update (os=0xde3320,
baton=0x7ffff6066580,
     pool=0xde2bb0) at subversion/svn/update-cmd.c:84
#15 0x00000000004144e9 in main (argc=2, argv=0x7ffff6066788)
     at subversion/svn/main.c:2123

All I did was attempt to run 'svn up' on a trunk working copy using a
recent build of the 1.6.x branch. I can do more forensics if anybody
needs it.

-Hyrum

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Received on 2009-07-21 02:10:48 CEST

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