Re: [sqlite] [Regression?] FTS function crashes since 3.7.7

2011-10-29 Thread Richard Hipp 
On Sat, Oct 29, 2011 at 8:40 AM, Alexandre Courbot  wrote:

> By the way, can we expect a point release (3.7.8.1?) that includes
> this fix soon? It seems rather serious to me, and the use case should
> not be so seldom.
>

The fix will be in 3.7.9.

-- 
D. Richard Hipp
d...@sqlite.org
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Re: [sqlite] [Regression?] FTS function crashes since 3.7.7

2011-10-29 Thread Alexandre Courbot 
By the way, can we expect a point release (3.7.8.1?) that includes
this fix soon? It seems rather serious to me, and the use case should
not be so seldom.

Alex.
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Re: [sqlite] [Regression?] FTS function crashes since 3.7.7

2011-10-29 Thread Alexandre Courbot 
Dan,

On Sat, Oct 29, 2011 at 8:48 PM, Dan Kennedy  wrote:
> Found one problem:
>
>  Ticket: http://www.sqlite.org/src/info/48f299634a
>  Fix:    http://www.sqlite.org/src/info/3565fcf898
>
> Please follow up if you try this fix and you still get
> the crash.

Thanks for pointing me to this. Indeed, this solves my problem. Great
to see this is already fixed - guess I will just have to blacklist
SQLite 3.7.7 and 3.7.8.

Thanks!
Alex.
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Re: [sqlite] [Regression?] FTS function crashes since 3.7.7

2011-10-29 Thread Dan Kennedy 

On 10/29/2011 03:00 PM, Alexandre Courbot wrote:

Hi everybody,

While testing some database upgrade function of mine, I ran into a
segmentation fault. I started looking at the possible cause in my
code, but I soon realized the crash would only happen using SQLite
3.7.7 or 3.7.8. If I use 3.7.6 or lower, things go safely.

Since I am not familiar with SQLite's internals, I have run the thing
under Valgrind and GDB to get some backtraces. Here is Valgrind's
report:

And here is the GDB backtrace (using 3.7.8):

#0 0x00646251 in sqlite3Fts3PendingTermsFlush (p=0x0) at
sqlite3.c:124996
#1 0x0063a2a9 in fts3SyncMethod (pVtab=0x0) at sqlite3.c:117025
#2 0x0063a984 in fts3SavepointMethod (pVtab=0x0, iSavepoint=0)
at sqlite3.c:117332
#3 0x006239c6 in sqlite3VtabSavepoint (db=0x9bf4a8, op=0,
iSavepoint=0) at sqlite3.c:100182
#4 0x005e9f08 in sqlite3VdbeExec (p=0x9b9ac8) at sqlite3.c:66431
#5 0x005e40d9 in sqlite3Step (p=0x9b9ac8) at sqlite3.c:61954
#6 0x005e42ba in sqlite3_step (pStmt=0x9b9ac8) at sqlite3.c:62027


Thanks for reporting this.

Found one problem:

  Ticket: http://www.sqlite.org/src/info/48f299634a
  Fix:http://www.sqlite.org/src/info/3565fcf898

Please follow up if you try this fix and you still get
the crash.

Dan.


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