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[Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorizat
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From: |
Joseph Young |
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Subject: |
[Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization |
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Date: |
Tue, 5 Sep 2017 22:50:41 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 |
URL:
<http://savannah.gnu.org/bugs/?51950>
Summary: Segfault during a sparse QR factorization
Project: GNU Octave
Submitted by: josyoun
Submitted on: Wed 06 Sep 2017 02:50:40 AM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Segfault, Bus Error, etc.
Status: None
Assigned to: None
Originator Name: josyoun
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 4.2.1
Operating System: GNU/Linux
_______________________________________________________
Details:
I receive a moderately reliable segfault during a sparse QR factorization.
Sometimes, it takes a few tries, but the following code segfaults Octave for
me when a few times:
A=sprandn(50,100,0.1); [q r]=qr(A); [q r]=qr(r);
This gives:
octave:1> A=sprandn(50,100,0.1); [q r]=qr(A); [q r]=qr(r);
*** Error in `/usr/bin/octave-cli-4.2.1': free(): invalid next size (normal):
0x0000004b8670ee90 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x72a78)[0x7fc20a7d7a78]
/lib64/libc.so.6(+0x788d6)[0x7fc20a7dd8d6]
/lib64/libc.so.6(+0x7911e)[0x7fc20a7de11e]
/usr/lib64/libcxsparse.so.0(cs_di_free+0x2d)[0x7fc2072c75cd]
/usr/lib64/libcxsparse.so.0(cs_di_idone+0x3f)[0x7fc2072c56ef]
/usr/lib64/libcxsparse.so.0(cs_di_sqr+0xee)[0x7fc2072c6c8e]
/usr/lib64/octave/4.2.1/liboctave.so.4(_ZN6octave4math9sparse_qrI12SparseMatrixE13sparse_qr_repC1ERKS2_i+0x110)[0x7fc20b9f72d0]
/usr/lib64/octave/4.2.1/liboctave.so.4(_ZN6octave4math9sparse_qrI12SparseMatrixEC1ERKS2_i+0x4d)[0x7fc20ba013bd]
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/qr.oct(_Z3FqrRK17octave_value_listi+0x2e3)[0x7fc1fdfa79c3]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN14octave_builtin17do_multi_index_opEiRK17octave_value_listPKNSt7__cxx114listI13octave_lvalueSaIS5_EEE+0x5f5)[0x7fc20cb690f5]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN14octave_builtin7subsrefERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS0_4listI17octave_value_listSaIS9_EEEiPKNS8_I13octave_lvalueSaISE_EEE+0x16b)[0x7fc20cb67beb]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN12octave_value7subsrefERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS0_4listI17octave_value_listSaIS9_EEEiPKNS8_I13octave_lvalueSaISE_EEE+0x39)[0x7fc20cc83289]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN21tree_index_expression6rvalueEiPKNSt7__cxx114listI13octave_lvalueSaIS2_EEE+0xcf6)[0x7fc20cd600b6]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN21tree_multi_assignment6rvalueEi+0x14f)[0x7fc20cd32adf]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN21tree_multi_assignment7rvalue1Ei+0x61)[0x7fc20cd31c01]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN6octave14tree_evaluator15visit_statementER14tree_statement+0x112)[0x7fc20cd46da2]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN6octave14tree_evaluator20visit_statement_listER19tree_statement_list+0x49)[0x7fc20cd45ce9]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN6octave11interpreter9main_loopEv+0x1ac)[0x7fc20d0b156c]
/usr/lib64/octave/4.2.1/liboctinterp.so.4(_ZN6octave11interpreter7executeEv+0x788)[0x7fc20d0b26a8]
/usr/bin/octave-cli-4.2.1(+0x1123)[0x4b8567b123]
/lib64/libc.so.6(__libc_start_main+0xfc)[0x7fc20a78570c]
/usr/bin/octave-cli-4.2.1(+0x1409)[0x4b8567b409]
======= Memory map: ========
4b8567a000-4b8567c000 r-xp 00000000 fd:00 2151318
/usr/bin/octave-cli-4.2.1
4b8587b000-4b8587c000 r--p 00001000 fd:00 2151318
/usr/bin/octave-cli-4.2.1
4b8587c000-4b8587d000 rw-p 00002000 fd:00 2151318
/usr/bin/octave-cli-4.2.1
4b8626c000-4b8675b000 rw-p 00000000 00:00 0
[heap]
7fc1f8000000-7fc1f8021000 rw-p 00000000 00:00 0
7fc1f8021000-7fc1fc000000 ---p 00000000 00:00 0
7fc1fdf9a000-7fc1fdfb7000 r-xp 00000000 fd:00 2418076
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/qr.oct
7fc1fdfb7000-7fc1fe1b6000 ---p 0001d000 fd:00 2418076
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/qr.oct
7fc1fe1b6000-7fc1fe1b8000 r--p 0001c000 fd:00 2418076
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/qr.oct
7fc1fe1b8000-7fc1fe1b9000 rw-p 0001e000 fd:00 2418076
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/qr.oct
7fc1fe1b9000-7fc1fe1cc000 r-xp 00000000 fd:00 2418099
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/__init_gnuplot__.oct
7fc1fe1cc000-7fc1fe3cc000 ---p 00013000 fd:00 2418099
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/__init_gnuplot__.oct
7fc1fe3cc000-7fc1fe3cd000 r--p 00013000 fd:00 2418099
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/__init_gnuplot__.oct
7fc1fe3cd000-7fc1fe3ce000 rw-p 00014000 fd:00 2418099
/usr/lib64/octave/4.2.1/oct/x86_64-pc-linux-gnu/__init_gnuplot__.oct
7fc1fe3ce000-7fc1fe775000 r--p 00000000 fd:00 10881272
/usr/lib64/locale/locale-archive
7fc1fe775000-7fc200776000 rw-p 00000000 00:00 0
7fc200776000-7fc200780000 r-xp 00000000 fd:00 2480693
/lib64/libnss_files-2.23.so
7fc200780000-7fc200980000 ---p 0000a000 fd:00 2480693
/lib64/libnss_files-2.23.so
7fc200980000-7fc200981000 r--p 0000a000 fd:00 2480693
/lib64/libnss_files-2.23.so
7fc200981000-7fc200982000 rw-p 0000b000 fd:00 2480693
/lib64/libnss_files-2.23.so
7fc200982000-7fc20098d000 r-xp 00000000 fd:00 2480712
/lib64/libnss_nis-2.23.so
7fc20098d000-7fc200b8c000 ---p 0000b000 fd:00 2480712
/lib64/libnss_nis-2.23.so
7fc200b8c000-7fc200b8d000 r--p 0000a000 fd:00 2480712
/lib64/libnss_nis-2.23.so
7fc200b8d000-7fc200b8e000 rw-p 0000b000 fd:00 2480712
/lib64/libnss_nis-2.23.so
7fc200b8e000-7fc200ba3000 r-xp 00000000 fd:00 2480702
/lib64/libnsl-2.23.so
7fc200ba3000-7fc200da2000 ---p 00015000 fd:00 2480702
/lib64/libnsl-2.23.so
7fc200da2000-7fc200da3000 r--p 00014000 fd:00 2480702
/lib64/libnsl-2.23.so
7fc200da3000-7fc200da4000 rw-p 00015000 fd:00 2480702
/lib64/libnsl-2.23.so
7fc200da4000-7fc200da6000 rw-p 00000000 00:00 0
7fc200da6000-7fc200dad000 r-xp 00000000 fd:00 2480701
/lib64/libnss_compat-2.23.so
7fc200dad000-7fc200fac000 ---p 00007000 fd:00 2480701
/lib64/libnss_compat-2.23.so
7fc200fac000-7fc200fad000 r--p 00006000 fd:00 2480701
/lib64/libnss_compat-2.23.so
7fc200fad000-7fc200fae000 rw-p 00007000 fd:00 2480701
/lib64/libnss_compat-2.23.so
7fc200fae000-7fc200fc2000 r-xp 00000000 fd:00 2398771
/usr/lib64/libbsd.so.0.8.3
7fc200fc2000-7fc2011c2000 ---p 00014000 fd:00 2398771
/usr/lib64/libbsd.so.0.8.3
7fc2011c2000-7fc2011c3000 r--p 00014000 fd:00 2398771
/usr/lib64/libbsd.so.0.8.3
7fc2011c3000-7fc2011c4000 rw-p 00015000 fd:00 2398771
/usr/lib64/libbsd.so.0.8.3
7fc2011c4000-7fc2011c5000 rw-p 00000000 00:00 0
7fc2011c5000-7fc2011ce000 r-xp 00000000 fd:00 2125469
/usr/lib64/libpciaccess.so.0.11.1
7fc2011ce000-7fc2013ce000 ---p 00009000 fd:00 2125469
/usr/lib64/libpciaccess.so.0.11.1
7fc2013ce000-7fc2013cf000 r--p 00009000 fd:00 2125469
/usr/lib64/libpciaccess.so.0.11.1
7fc2013cf000-7fc2013d0000 rw-p 0000a000 fd:00 2125469
/usr/lib64/libpciaccess.so.0.11.1
7fc2013d0000-7fc2013fa000 r-xp 00000000 fd:00 2148533
/lib64/libudev.so.1.6.3
7fc2013fa000-7fc2015fa000 ---p 0002a000 fd:00 2148533
/lib64/libudev.so.1.6.3
7fc2015fa000-7fc2015fb000 r--p 0002a000 fd:00 2148533
/lib64/libudev.so.1.6.3
7fc2015fb000-7fc2015fc000 rw-p 0002b000 fd:00 2148533
/lib64/libudev.so.1.6.3
7fc2015fc000-7fc201608000 r-xp 00000000 fd:00 2154637
/usr/lib64/libnuma.so.1.0.0
7fc201608000-7fc201807000 ---p 0000c000 fd:00 2154637
/usr/lib64/libnuma.so.1.0.0
7fc201807000-7fc201808000 r--p 0000b000 fd:00 2154637
/usr/lib64/libnuma.so.1.0.0
7fc201808000-7fc201809000 rw-p 0000c000 fd:00 2154637
/usr/lib64/libnuma.so.1.0.0
7fc201809000-7fc20180e000 r-xp 00000000 fd:00 2124072
/usr/lib64/libXdmcp.so.6.0.0
7fc20180e000-7fc201a0e000 ---p 00005000 fd:00 2124072
/usr/lib64/libXdmcp.so.6.0.0
7fc201a0e000-7fc201a0f000 r--p 00005000 fd:00 2124072
/usr/lib64/libXdmcp.so.6.0.0
7fc201a0f000-7fc201a10000 rw-p 00006000 fd:00 2124072
/usr/lib64/libXdmcp.so.6.0.0
7fc201a10000-7fc201a13000 r-xp 00000000 fd:00 2123080
/usr/lib64/libXau.so.6.0.0
7fc201a13000-7fc201c12000 ---p 00003000 fd:00 2123080
/usr/lib64/libXau.so.6.0.0
7fc201c12000-7fc201c13000 r--p 00002000 fd:00 2123080
/usr/lib64/libXau.so.6.0.0
7fc201c13000-7fc201c14000 rw-p 00003000 fd:00 2123080
/usr/lib64/libXau.so.6.0.0
7fc201c14000-7fc201c16000 r-xp 00000000 fd:00 2143945
/usr/lib64/libevent_pthreads-2.1.so.6.0.2
7fc201c16000-7fc201e15000 ---p 00002000 fd:00 2143945
/usr/lib64/libevent_pthreads-2.1.so.6.0.2
7fc201e15000-7fc201e16000 r--p 00001000 fd:00 2143945
/usr/lib64/libevent_pthreads-2.1.so.6.0.2
7fc201e16000-7fc201e17000 rw-p 00002000 fd:00 2143945
/usr/lib64/libevent_pthreads-2.1.so.6.0.2
7fc201e17000-7fc201e73000 r-xp 00000000 fd:00 2143966
/usr/lib64/libevent-2.1.so.6.0.2
7fc201e73000-7fc202072000 ---p 0005c000 fd:00 2143966
/usr/lib64/libevent-2.1.so.6.0.2
7fc202072000-7fc202074000 r--p 0005b000 fd:00 2143966
/usr/lib64/libevent-2.1.so.6.0.2
7fc202074000-7fc202075000 rw-p 0005d000 fd:00 2143966
/usr/lib64/libevent-2.1.so.6.0.2
7fc202075000-7fc2020b3000 r-xp 00000000 fd:00 2161844
/usr/lib64/libhwloc.so.5.6.8
7fc2020b3000-7fc2022b3000 ---p 0003e000 fd:00 2161844
/usr/lib64/libhwloc.so.5.6.8
7fc2022b3000-7fc2022b4000 r--p 0003e000 fd:00 2161844
/usr/lib64/libhwloc.so.5.6.8
7fc2022b4000-7fc2022b5000 rw-p 0003f000 fd:00 2161844
/usr/lib64/libhwloc.so.5.6.8
7fc2022b5000-7fc2022b7000 r-xp 00000000 fd:00 2481994
/lib64/libutil-2.23.so
7fc2022b7000-7fc2024b6000 ---p 00002000 fd:00 2481994
/lib64/libutil-2.23.so
7fc2024b6000-7fc2024b7000 r--p 00001000 fd:00 2481994
/lib64/libutil-2.23.so
7fc2024b7000-7fc2024b8000 rw-p 00002000 fd:00 2481994
/lib64/libutil-2.23.so
7fc2024b8000-7fc20254a000 r-xp 00000000 fd:00 2184995
/usr/lib64/libopen-pal.so.20.2.0
7fc20254a000-7fc20274a000 ---p 00092000 fd:00 2184995
/usr/lib64/libopen-pal.so.20.2.0
7fc20274a000-7fc20274f000 r--p 00092000 fd:00 2184995
/usr/lib64/libopen-pal.so.20.2.0
7fc20274f000-7fc202753000 rw-p 00097000 fd:00 2184995
/usr/lib64/libopen-pal.so.20.2.0
7fc202753000-7fc202759000 rw-p 00000000 00:00 0
7fc202759000-7fc2027dd000 r-xp 00000000 fd:00 2186102
/usr/lib64/libopen-rte.so.20.1.0
7fc2027dd000-7fc2029dc000 ---p 00084000 fd:00 2186102
/usr/lib64/libopen-rte.so.20.1.0
7fc2029dc000-7fc2029de000 r--p 00083000 fd:00 2186102
/usr/lib64/libopen-rte.so.20.1.0
7fc2029de000-7fc2029e1000 rw-p 00085000 fd:00 2186102
/usr/lib64/libopen-rte.so.20.1.0
7fc2029e1000-7fc2029e2000 rw-p 00000000 00:00 0
7fc2029e2000-7fc202a22000 r-xp 00000000 fd:00 2172689
/usr/lib64/gcc/x86_64-pc-linux-gnu/5.4.0/libquadmath.so.0.0.0
7fc202a22000-7fc202c21000 ---p 00040000 fd:00 2172689
/usr/lib64/gcc/x86_64-pc-linux-gnu/5.4.0/libquadmath.so.0.0.0
7fc202c21000-7fc202c22000 r--p 0003f000 fd:00 2172689
/usr/lib64/gcc/x86_64-pc-linux-gnu/5.4.0/libquadmath.so.0.0.0
7fc202c22000-7fc202c23000 rw-p 00040000 fd:00 2172689
/usr/lib64/gcc/x86_64-pc-linux-gnu/5.4.0/libquadmath.so.0.0.0
7fc202c23000-7fc202c83000 r-xp 00000000 fd:00 2349536
/lib64/libncurses.so.6.0
7fc202c83000-7fc202e83000 ---p 00060000 fd:00 2349536
/lib64/libncurses.so.6.0
7fc202e83000-7fc202e87000 r--p 00060000 fd:00 2349536
/lib64/libncurses.so.6.0
7fc202e87000-7fc202e88000 rw-p 00064000 fd:00 2349536
/lib64/libncurses.so.6.0
7fc202e88000-7fc202e8f000 r-xp 00000000 fd:00 2481982
/lib64/librt-2.23.so
7fc202e8f000-7fc20308e000 ---p 00007000 fd:00 2481982
/lib64/librt-2.23.so
7fc20308e000-7fc20308f000 r--p 00006000 fd:00 2481982
/lib64/librt-2.23.so
7fc20308f000-7fc203090000 rw-p 00007000 fd:00 2481982
/lib64/librt-2.23.so
7fc203090000-7fc203091000 r-xp 00000000 fd:00 2493802
/usr/lib64/libsuitesparseconfig.so.0.0.0
7fc203091000-7fc203290000 ---p 00001000 fd:00 2493802
/usr/lib64/libsuitesparseconfig.so.0.0.0
7fc203290000-7fc203291000 r--p 00000000 fd:00 2493802
/usr/lib64/libsuitesparseconfig.so.0.0.0
7fc203291000-7fc203292000 rw-p 00001000 fd:00 2493802
/usr/lib64/libsuitesparseconfig.so.0.0.0
7fc203292000-7fc203299000 r-xp 00000000 fd:00 2493959
/usr/lib64/libcolamd.so.0.0.0
7fc203299000-7fc203498000 ---p 00007000 fd:00 2493959
/usr/lib64/libcolamd.so.0.0.0
7fc203498000-7fc203499000 r--p 00006000 fd:00 2493959
/usr/lib64/libcolamd.so.0.0.0
7fc203499000-7fc20349a000 rw-p 00007000 fd:00 2493959
/usr/lib64/libcolamd.so.0.0.0
7fc20349a000-7fc2034a2000 r-xp 00000000 fd:00 2494062
/usr/lib64/libamd.so.0.0.0
7fc2034a2000-7fc2036a1000 ---p 00008000 fd:00 2494062
/usr/lib64/libamd.so.0.0.0
7fc2036a1000-7fc2036a2000 r--p 00007000 fd:00 2494062
/usr/lib64/libamd.so.0.0.0
7fc2036a2000-7fc2036a3000 rw-p 00008000 fd:00 2494062
/usr/lib64/libamd.so.0.0.0
7fc2036a3000-7fc2036de000 r-xp 00000000 fd:00 2378507
/usr/lib64/libpng16.so.16.29.0
7fc2036de000-7fc2038de000 ---p 0003b000 fd:00 2378507
/usr/lib64/libpng16.so.16.29.0
7fc2038de000-7fc2038df000 r--p 0003b000 fd:00 2378507
/usr/lib64/libpng16.so.16.29.0
7fc2038df000-7fc2038e0000 rw-p 0003c000 fd:00 2378507
/usr/lib64/libpng16.so.16.29.0
7fc2038e0000-7fc2038f2000 r-xp 00000000 fd:00 2159125
/usr/lib64/libdrm.so.2.4.0
7fc2038f2000-7fc203af1000 ---p 00012000 fd:00 2159125
/usr/lib64/libdrm.so.2.4.0
7fc203af1000-7fc203af2000 r--p 00011000 fd:00 2159125
/usr/lib64/libdrm.so.2.4.0
7fc203af2000-7fc203af3000 rw-p 00012000 fd:00 2159125
/usr/lib64/libdrm.so.2.4.0
7fc203af3000-7fc203af8000 r-xp 00000000 fd:00 2133099
/usr/lib64/libXxf86vm.so.1.0.0
7fc203af8000-7fc203cf7000 ---p 00005000 fd:00 2133099
/usr/lib64/libXxf86vm.so.1.0.0
7fc203cf7000-7fc203cf8000 r--p 00004000 fd:00 2133099
/usr/lib64/libXxf86vm.so.1.0.0
7fc203cf8000-7fc203cf9000 rw-p 00005000 fd:00 2133099
/usr/lib64/libXxf86vm.so.1.0.0
7fc203cf9000-7fc203cfd000 r-xp 00000000 fd:00 2426310
/usr/lib64/libxcb-dri2.so.0.0.0
7fc203cfd000-7fc203efd000 ---p 00004000 fd:00 2426310
/usr/lib64/libxcb-dri2.so.0.0.0
7fc203efd000-7fc203efe000 r--p 00004000 fd:00 2426310
/usr/lib64/libxcb-dri2.so.0.0.0
7fc203efe000-7fc203eff000 rw-p 00005000 fd:00 2426310
/usr/lib64/libxcb-dri2.so.0.0.0
7fc203eff000-7fc203f1f000 r-xp 00000000 fd:00 2426152
/usr/lib64/libxcb-glx.so.0.0.0
7fc203f1f000-7fc20411e000 ---p 00020000 fd:00 2426152
/usr/lib64/libxcb-glx.so.0.0.0
7fc20411e000-7fc204120000 r--p 0001f000 fd:00 2426152
/usr/lib64/libxcb-glx.so.0.0.0
7fc204120000-7fc204121000 rw-p 00021000 fd:00 2426152
/usr/lib64/libxcb-glx.so.0.0.0
7fc204121000-7fc204151000 r-xp 00000000 fd:00 2426312
/usr/lib64/libxcb.so.1.1.0
7fc204151000-7fc204350000 ---p 00030000 fd:00 2426312
/usr/lib64/libxcb.so.1.1.0
7fc204350000-7fc204351000 r--p 0002f000 fd:00 2426312
/usr/lib64/libxcb.so.1.1.0
7fc204351000-7fc204352000 rw-p 00030000 fd:00 2426312
/usr/lib64/libxcb.so.1.1.0
7fc204352000-7fc204353000 r-xp 00000000 fd:00 2420437
/usr/lib64/libX11-xcb.so.1.0.0
7fc204353000-7fc204552000 ---p 00001000 fd:00 2420437
/usr/lib64/libX11-xcb.so.1.0.0
7fc204552000-7fc204553000 r--p 00000000 fd:00 2420437
/usr/lib64/libX11-xcb.so.1.0.0
7fc204553000-7fc204554000 rw-p 00001000 fd:00 2420437
/usr/lib64/libX11-xcb.so.1.0.0
7fc204554000-7fc204559000 r-xp 00000000 fd:00 2130613
/usr/lib64/libXfixes.so.3.1.0
7fc204559000-7fc204759000 ---p 00005000 fd:00 2130613
/usr/lib64/libXfixes.so.3.1.0
7fc204759000-7fc20475a000 r--p 00005000 fd:00 2130613
/usr/lib64/libXfixes.so.3.1.0
7fc20475a000-7fc20475b000 rw-p 00006000 fd:00 2130613
/usr/lib64/libXfixes.so.3.1.0
7fc20475b000-7fc20475d000 r-xp 00000000 fd:00 2124357
/usr/lib64/libXdamage.so.1.1.0
7fc20475d000-7fc20495c000 ---p 00002000 fd:00 2124357
/usr/lib64/libXdamage.so.1.1.0
7fc20495c000-7fc20495d000 r--p 00001000 fd:00 2124357
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7fc20d798000-7fc20d7bd000 r-xp 00000000 fd:00 2481710
/lib64/ld-2.23.so
7fc20d803000-7fc20d97c000 rw-p 00000000 00:00 0
7fc20d9b3000-7fc20d9b4000 rw-p 00000000 00:00 0
7fc20d9b4000-7fc20d9bb000 r--s 00000000 fd:00 10881011
/usr/lib64/gconv/gconv-modules.cache
7fc20d9bb000-7fc20d9bc000 rw-p 00000000 00:00 0
7fc20d9bc000-7fc20d9bd000 r--p 00024000 fd:00 2481710
/lib64/ld-2.23.so
7fc20d9bd000-7fc20d9be000 rw-p 00025000 fd:00 2481710
/lib64/ld-2.23.so
7fc20d9be000-7fc20d9bf000 rw-p 00000000 00:00 0
7fff3786f000-7fff37891000 rw-p 00000000 00:00 0
[stack]
7fff3796c000-7fff3796f000 r--p 00000000 00:00 0
[vvar]
7fff3796f000-7fff37971000 r-xp 00000000 00:00 0
[vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
[vsyscall]
panic: Aborted -- stopping myself...
attempting to save variables to 'octave-workspace'...
save to 'octave-workspace' complete
Aborted
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- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization,
Joseph Young <=
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Doug Stewart, 2017/09/05
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Dmitri A. Sergatskov, 2017/09/05
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Marco Caliari, 2017/09/06
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Mike Miller, 2017/09/06
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Mike Miller, 2017/09/06
- [Octave-bug-tracker] [bug #51950] Segfault during a sparse QR factorization, Mike Miller, 2017/09/06
- [Octave-bug-tracker] [bug #51950] sparse qr may return a malformed sparse matrix R with out of bounds entries, Mike Miller, 2017/09/06
- [Octave-bug-tracker] [bug #51950] sparse qr may return a malformed sparse matrix R with out of bounds entries, Marco Caliari, 2017/09/06
- [Octave-bug-tracker] [bug #51950] sparse qr may return a malformed sparse matrix R with out of bounds entries, Rik, 2017/09/06
- [Octave-bug-tracker] [bug #51950] sparse qr may return a malformed sparse matrix R with out of bounds entries, Rik, 2017/09/06