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SIGSEGV in __strcmp_sse2_unaligned() #6758

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
Closed

SIGSEGV in __strcmp_sse2_unaligned() #6758

monetdb-team opened this issue Nov 30, 2020 · 0 comments

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@monetdb-team monetdb-team commented Nov 30, 2020

Date: 2019-09-13 09:48:48 +0200
From: @swingbit
To: SQL devs <>
Version: 11.33.11 (Apr2019-SP1)

Last updated: 2019-11-28 10:00:04 +0100

Comment 27282

Date: 2019-09-13 09:48:48 +0200
From: @swingbit

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36
Build Identifier:

For now I can't make it reproducible in a test.

Please see gdb session in attachment.

Reproducible: Always

MonetDB 5 server 11.33.12 (hg id: ffa5b09707ff) (64-bit, 128-bit integers)
This is an unreleased version
Copyright (c) 1993 - July 2008 CWI
Copyright (c) August 2008 - 2019 MonetDB B.V., all rights reserved
Visit https://www.monetdb.org/ for further information
Found 15.5GiB available memory, 8 available cpu cores
Libraries:
libpcre: 8.43 2019-02-23
openssl: OpenSSL 1.1.1c FIPS 28 May 2019
libxml2: 2.9.9
Compiled by: roberto@photon.hq.spinque.com (x86_64-pc-linux-gnu)
Compilation: gcc -g3 -Werror -Wall -Wextra -W -Werror-implicit-function-declaration -Wpointer-arith -Wundef -Wformat=2 -Wformat-overflow=1 -Wno-format-truncation -Wno-format-nonliteral -Wno-cast-function-type -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wno-missing-field-initializers -Wold-style-definition -Wpacked -Wunknown-pragmas -Wvariadic-macros -fstack-protector-all -Wstack-protector -Wpacked-bitfield-compat -Wsync-nand -Wjump-misses-init -Wmissing-include-dirs -Wlogical-op -Wduplicated-cond -Wduplicated-branches -Wrestrict -Wnested-externs -Wno-char-subscripts -Wunreachable-code
Linking : /usr/bin/ld -m elf_x86_64 -Wl,-Bsymbolic-functions

Comment 27283

Date: 2019-09-13 09:49:44 +0200
From: @swingbit

Created attachment 630
gdb session

Attached file: bug6758_gdb.txt (text/plain, 7234 bytes)
Description: gdb session

Comment 27292

Date: 2019-09-16 18:59:28 +0200
From: @swingbit

Changeset b87bd0e2f8f8 meant for bug #6757, seems to also fix this crash.

Comment 27293

Date: 2019-09-16 19:19:52 +0200
From: @sjoerdmullender

(In reply to Roberto Cornacchia from comment 2)

Changeset b87bd0e2f8f8 meant for bug #6757, seems to also fix this crash.

Great. Looking again at the stack trace, I'm not surprised.

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