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Better handle a malloc() failure in sqlite3PagerSetPagesize(). (CVS 4332)

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FossilOrigin-Name: 41550d87c9395ab2fec5993655865e29235130a3
This commit is contained in:
danielk1977
2007-08-30 10:07:38 +00:00
parent f3c626594e
commit 992772c867
4 changed files with 40 additions and 11 deletions
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26
test/shared_err.test
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@ -13,7 +13,7 @@
# cache context. What happens to connection B if one connection A encounters
# an IO-error whilst reading or writing the file-system?
#
# $Id: shared_err.test,v 1.15 2007/08/30 02:26:54 drh Exp $
# $Id: shared_err.test,v 1.16 2007/08/30 10:07:39 danielk1977 Exp $
proc skip {args} {}
@ -433,6 +433,30 @@ do_test shared_malloc-8.X {
expr $::aborted>=1
} {1}
# This test is designed to catch a specific bug that was present during
# development of 3.5.0. If a malloc() failed while setting the page-size,
# a buffer (Pager.pTmpSpace) was being freed. This could cause a seg-fault
# later if another connection tried to use the pager.
#
# This test will crash 3.4.2.
#
do_malloc_test shared_err-9 -tclprep {
sqlite3 db2 test.db
} -sqlbody {
PRAGMA page_size = 4096;
PRAGMA page_size = 1024;
} -cleanup {
db2 eval {
CREATE TABLE abc(a, b, c);
BEGIN;
INSERT INTO abc VALUES(1, 2, 3);
ROLLBACK;
}
db2 close
}
catch {db close}
catch {db2 close}
sqlite3_enable_shared_cache $::enable_shared_cache
finish_test