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Fix walIteratorInit() so that it always leaves the iterator as a NULL pointer

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if an OOM occurs.  This fixes an assertion fault introduced by 
check-in [044b0b65e716bff].

FossilOrigin-Name: e5ce256aa1f7a8ae995b79c9da895827bee5d8d0724fc15413ff203dc9e2602d
This commit is contained in:
drh 2018-03-05 23:23:28 +00:00
parent 6344edda80
commit 49cc2f3b9c
3 changed files with 9 additions and 8 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Fix\sanother\scrash\sin\sthe\ssessions\smodule\striggered\sby\smalformed\sinput.
D 2018-03-05T21:17:20.992
C Fix\swalIteratorInit()\sso\sthat\sit\salways\sleaves\sthe\siterator\sas\sa\sNULL\spointer\nif\san\sOOM\soccurs.\s\sThis\sfixes\san\sassertion\sfault\sintroduced\sby\s\ncheck-in\s[044b0b65e716bff].
D 2018-03-05T23:23:28.467
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F Makefile.in a2d2fb8d17c39ab5ec52beb27850b903949080848236923f436156b72a958737
@ -568,7 +568,7 @@ F src/vdbesort.c 731a09e5cb9e96b70c394c1b7cf3860fbe84acca7682e178615eb941a3a0ef2
F src/vdbetrace.c 48e11ebe040c6b41d146abed2602e3d00d621d7ebe4eb29b0a0f1617fd3c2f6c
F src/vtab.c 0e4885495172e1bdf54b12cce23b395ac74ef5729031f15e1bc1e3e6b360ed1a
F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
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@ -1708,7 +1708,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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@ -1 +1 @@
7e70c9b86af557e86152748ddf1da467e62817b35df1da0d7d3b67941b198897
e5ce256aa1f7a8ae995b79c9da895827bee5d8d0724fc15413ff203dc9e2602d

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src/wal.c
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@ -1667,6 +1667,7 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){
if( rc!=SQLITE_OK ){
walIteratorFree(p);
p = 0;
}
*pp = p;
return rc;