I am seeing a Bus Error at the end of a program that to my
inexperienced eye appears to have something to do with SQLite:
This GDB was configured as "amd64-unknown-openbsd6.0"...
Core was generated by `bif'.
Program terminated with signal 10, Bus error.
Loaded symbols for /mark/src/bif/static/bif
Reading symbols from /usr/lib/libm.so.9.0...done.
Loaded symbols for /usr/lib/libm.so.9.0
Reading symbols from /usr/lib/libc.so.88.0...done.
Loaded symbols for /usr/lib/libc.so.88.0
Reading symbols from /usr/libexec/ld.so...done.
Loaded symbols for /usr/libexec/ld.so
#0 releaseMemArray (p=0xdfdfdfdfdfdfdfdf, N=286555) at sqlite3.c:71943
71943 sqlite3 *db = p->db;
(gdb) backtrace
#0 releaseMemArray (p=0xdfdfdfdfdfdfdfdf, N=286555) at sqlite3.c:71943
#1 0x00001285167d22e4 in sqlite3VdbeClearObject (db=0xdfdfdfdfdfdfdfdf,
p=0x12873d135408) at sqlite3.c:73412
#2 0x00001285167d23d2 in sqlite3VdbeDelete (p=0x12873d135408) at
sqlite3.c:73444
#3 0x0000128516815191 in sqlite3VdbeFinalize (p=0x12873d135408) at
sqlite3.c:73362
#4 0x00001285168152bd in sqlite3_finalize (pStmt=0x12873d135408) at
sqlite3.c:75209
#5 0x00001285167b5ef5 in sqlite_st_destroy (sth=0x1287bf19a198,
imp_sth=0x128791361b00) at dbdimp.c:1256
#6 0x00001285167ab7b3 in XS_DBD__SQLite__st_DESTROY (cv=Variable "cv" is
not available.) at SQLite.xsi:799
#7 0x000012851685e60a in XS_DBI_dispatch (cv=0x12878d7123c8) at DBI.xs:3781
#8 0x00001285168e8ab7 in Perl_pp_entersub () at pp_hot.c:2794
#9 0x0000128516884036 in Perl_call_sv (sv=0x12878d7123c8, flags=45) at
perl.c:2775
#10 0x00001285168f0c21 in S_curse (sv=0x1287b8a0f1a8, check_refcnt=true) at
sv.c:6704
#11 0x00001285168f0e07 in Perl_sv_clear (orig_sv=0x1287b8a0f1a8) at
sv.c:6326
#12 0x00001285168f15b9 in Perl_sv_free2 (sv=0x1287b8a0f1a8, rc=Variable
"rc" is not available.) at sv.c:6805
#13 0x00001285168e8bc3 in S_visit (f=0x1285168f181c <do_clean_objs>,
flags=2048, mask=2048) at sv.c:485
#14 0x00001285168f1ab0 in Perl_sv_clean_objs () at sv.c:640
#15 0x0000128516886bc3 in perl_destruct (my_perl=Variable "my_perl" is not
available.) at perl.c:804
#16 0x0000128516742a66 in main (argc=5, argv=0x7f7ffffbef58) at
bundle.c:15988
I find the pointer address 0xdfdfdfdfdfdfdfdf to be a little
suspicious.
The program is a static build of Perl that embeds DBD::SQLite which
embeds sqlite. I have seen the error with sqlite version 3.10.2 and
3.15.0. I have only seen the error on OpenBSD - my Linux builds seem to
have no problem.
Any ideas how I could debug this further?
Mark
--
Mark Lawrence
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