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SubjectRe: [PATCH v6] coccinelle: tests: unsigned value cannot be lesser than zero
From
2016-01-05 10:02 GMT-03:00 Julia Lawall <julia.lawall@lip6.fr>:
>> *** Error in `/usr/lib/coccinelle/spatch': corrupted double-linked
>> list (not small): 0x0000000001c523d0 ***
>> ======= Backtrace: =========
>
> Wow... I've never seen an error from OCaml like that.
>
> What version of ocaml and Coccinelle are you using?
$ ocaml -version
The OCaml toplevel, version 4.02.3

$ spatch --version
spatch version 1.0.4 with Python support and with PCRE support

>
> julia
>
>> /usr/lib/libc.so.6(+0x72055)[0x7fb3ec683055]
>> /usr/lib/libc.so.6(+0x779a6)[0x7fb3ec6889a6]
>> /usr/lib/libc.so.6(+0x7a2d3)[0x7fb3ec68b2d3]
>> /usr/lib/libc.so.6(__libc_malloc+0x54)[0x7fb3ec68c3d4]
>> /usr/lib/coccinelle/spatch(caml_stat_alloc+0x9)[0x42dd14]
>> /usr/lib/coccinelle/spatch(caml_open_descriptor_in+0x12)[0x432fe2]
>> /usr/lib/coccinelle/spatch(caml_ml_open_descriptor_in+0xc)[0x43368f]
>> /usr/lib/coccinelle/spatch(caml_interprete+0x14ba)[0x43e9e1]
>> /usr/lib/coccinelle/spatch(caml_main+0x371)[0x42b327]
>> /usr/lib/coccinelle/spatch(main+0xc)[0x43d513]
>> /usr/lib/libc.so.6(__libc_start_main+0xf0)[0x7fb3ec631610]
>> /usr/lib/coccinelle/spatch(_start+0x29)[0x417609]
>> ======= Memory map: ========
>> 00400000-00452000 r-xp 00000000 08:03 1318169
>> /usr/lib/coccinelle/spatch
>> 00651000-00656000 rw-p 00051000 08:03 1318169
>> /usr/lib/coccinelle/spatch
>> 00656000-00664000 rw-p 00000000 00:00 0
>> 019ea000-0c642000 rw-p 00000000 00:00 0 [heap]
>> 7fb3e4000000-7fb3e4021000 rw-p 00000000 00:00 0
>> 7fb3e4021000-7fb3e8000000 ---p 00000000 00:00 0
>> 7fb3ea931000-7fb3eab32000 rw-p 00000000 00:00 0
>> 7fb3eae36000-7fb3eaef6000 rw-p 00000000 00:00 0
>> 7fb3eaef6000-7fb3eaef8000 r-xp 00000000 08:03 2365929
>> /usr/lib/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so
>> 7fb3eaef8000-7fb3eb0f7000 ---p 00002000 08:03 2365929
>> /usr/lib/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so
>> 7fb3eb0f7000-7fb3eb0f8000 r--p 00001000 08:03 2365929
>> /usr/lib/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so
>> 7fb3eb0f8000-7fb3eb0fa000 rw-p 00002000 08:03 2365929
>> /usr/lib/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so
>> 7fb3eb0fa000-7fb3eb13a000 rw-p 00000000 00:00 0
>> 7fb3eb787000-7fb3ebb31000 r--p 00000000 08:03 2119451
>> /usr/lib/locale/locale-archive
>> 7fb3ebb31000-7fb3ebe4a000 rw-p 00000000 00:00 0
>> 7fb3ebfbe000-7fb3ebfd4000 r-xp 00000000 08:03 2100676
>> /usr/lib/libgcc_s.so.1
>> 7fb3ebfd4000-7fb3ec1d3000 ---p 00016000 08:03 2100676
>> /usr/lib/libgcc_s.so.1
>> 7fb3ec1d3000-7fb3ec1d4000 rw-p 00015000 08:03 2100676
>> /usr/lib/libgcc_s.so.1
>> 7fb3ec20c000-7fb3ec40e000 rw-p 00000000 00:00 0
>> 7fb3ec40e000-7fb3ec410000 r-xp 00000000 08:03 2100408
>> /usr/lib/libutil-2.22.so
>> 7fb3ec410000-7fb3ec60f000 ---p 00002000 08:03 2100408
>> /usr/lib/libutil-2.22.so
>> 7fb3ec60f000-7fb3ec610000 r--p 00001000 08:03 2100408
>> /usr/lib/libutil-2.22.so
>> 7fb3ec610000-7fb3ec611000 rw-p 00002000 08:03 2100408
>> /usr/lib/libutil-2.22.so
>> 7fb3ec611000-7fb3ec7ac000 r-xp 00000000 08:03 2100354
>> /usr/lib/libc-2.22.so
>> 7fb3ec7ac000-7fb3ec9ab000 ---p 0019b000 08:03 2100354
>> /usr/lib/libc-2.22.so
>> 7fb3ec9ab000-7fb3ec9af000 r--p 0019a000 08:03 2100354
>> /usr/lib/libc-2.22.so
>> 7fb3ec9af000-7fb3ec9b1000 rw-p 0019e000 08:03 2100354
>> /usr/lib/libc-2.22.so
>> 7fb3ec9b1000-7fb3ec9b5000 rw-p 00000000 00:00 0
>> 7fb3ec9b5000-7fb3ec9cd000 r-xp 00000000 08:03 2100335
>> /usr/lib/libpthread-2.22.so
>> 7fb3ec9cd000-7fb3ecbcc000 ---p 00018000 08:03 2100335
>> /usr/lib/libpthread-2.22.so
>> 7fb3ecbcc000-7fb3ecbcd000 r--p 00017000 08:03 2100335
>> /usr/lib/libpthread-2.22.so
>> 7fb3ecbcd000-7fb3ecbce000 rw-p 00018000 08:03 2100335
>> /usr/lib/libpthread-2.22.so
>> 7fb3ecbce000-7fb3ecbd2000 rw-p 00000000 00:00 0
>> 7fb3ecbd2000-7fb3ecc39000 r-xp 00000000 08:03 2100758
>> /usr/lib/libncursesw.so.6.0
>> 7fb3ecc39000-7fb3ece39000 ---p 00067000 08:03 2100758
>> /usr/lib/libncursesw.so.6.0
>> 7fb3ece39000-7fb3ece3d000 r--p 00067000 08:03 2100758
>> /usr/lib/libncursesw.so.6.0
>> 7fb3ece3d000-7fb3ece3f000 rw-p 0006b000 08:03 2100758
>> /usr/lib/libncursesw.so.6.0
>> 7fb3ece3f000-7fb3ece42000 r-xp 00000000 08:03 2100403
>> /usr/lib/libdl-2.22.so
>> 7fb3ece42000-7fb3ed041000 ---p 00003000 08:03 2100403
>> /usr/lib/libdl-2.22.so
>> 7fb3ed041000-7fb3ed042000 r--p 00002000 08:03 2100403
>> /usr/lib/libdl-2.22.so
>> 7fb3ed042000-7fb3ed043000 rw-p 00003000 08:03 2100403
>> /usr/lib/libdl-2.22.so
>> 7fb3ed043000-7fb3ed140000 r-xp 00000000 08:03 2100404
>> /usr/lib/libm-2.22.so
>> 7fb3ed140000-7fb3ed33f000 ---p 000fd000 08:03 2100404
>> /usr/lib/libm-2.22.so
>> 7fb3ed33f000-7fb3ed340000 r--p 000fc000 08:03 2100404
>> /usr/lib/libm-2.22.so
>> 7fb3ed340000-7fb3ed341000 rw-p 000fd000 08:03 2100404
>> /usr/lib/libm-2.22.so
>> 7fb3ed341000-7fb3ed578000 r-xp 00000000 08:03 2128110
>> /usr/lib/libpython3.5m.so.1.0
>> 7fb3ed578000-7fb3ed778000 ---p 00237000 08:03 2128110
>> /usr/lib/libpython3.5m.so.1.0
>> 7fb3ed778000-7fb3ed77a000 r--p 00237000 08:03 2128110
>> /usr/lib/libpython3.5m.so.1.0
>> 7fb3ed77a000-7fb3ed7df000 rw-p 00239000 08:03 2128110
>> /usr/lib/libpython3.5m.so.1.0
>> 7fb3ed7df000-7fb3ed80f000 rw-p 00000000 00:00 0
>> 7fb3ed80f000-7fb3ed87e000 r-xp 00000000 08:03 2108758
>> /usr/lib/libpcre.so.1.2.6
>> 7fb3ed87e000-7fb3eda7d000 ---p 0006f000 08:03 2108758
>> /usr/lib/libpcre.so.1.2.6
>> 7fb3eda7d000-7fb3eda7e000 r--p 0006e000 08:03 2108758
>> /usr/lib/libpcre.so.1.2.6
>> 7fb3eda7e000-7fb3eda7f000 rw-p 0006f000 08:03 2108758
>> /usr/lib/libpcre.so.1.2.6
>> 7fb3eda7f000-7fb3edaa1000 r-xp 00000000 08:03 2100353
>> /usr/lib/ld-2.22.so
>> 7fb3edaa2000-7fb3edc68000 rw-p 00000000 00:00 0
>> 7fb3edc9f000-7fb3edca0000 rw-p 00000000 00:00 0
>> 7fb3edca0000-7fb3edca1000 r--p 00021000 08:03 2100353
>> /usr/lib/ld-2.22.so
>> 7fb3edca1000-7fb3edca2000 rw-p 00022000 08:03 2100353
>> /usr/lib/ld-2.22.so
>> 7fb3edca2000-7fb3edca3000 rw-p 00000000 00:00 0
>> 7ffdc8750000-7ffdc8773000 rw-p 00000000 00:00 0 [stack]
>> 7ffdc8796000-7ffdc8798000 r--p 00000000 00:00 0 [vvar]
>> 7ffdc8798000-7ffdc879a000 r-xp 00000000 00:00 0 [vdso]
>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
>> [vsyscall]
>> ./scripts/coccicheck: line 97: 18682 Segmentation fault (core
>> dumped) /usr/bin/spatch -D report --very-quiet --no-show-diff
>> --cocci-file /home/geyslan/Projects/linuxtest/scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
>> --all-includes --dir . -I ./arch/x86/include -I
>> arch/x86/include/generated/uapi -I arch/x86/include/generated -I
>> include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi
>> -I ./include/uapi -I include/generated/uapi --include
>> ./include/linux/kconfig.h --max 8 --index 0
>> ./scripts/coccicheck: line 97: 18684 Segmentation fault (core
>> dumped) /usr/bin/spatch -D report --very-quiet --no-show-diff
>> --cocci-file /home/geyslan/Projects/linuxtest/scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
>> --all-includes --dir . -I ./arch/x86/include -I
>> arch/x86/include/generated/uapi -I arch/x86/include/generated -I
>> include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi
>> -I ./include/uapi -I include/generated/uapi --include
>> ./include/linux/kconfig.h --max 8 --index 2
>> ./scripts/coccicheck: line 97: 18685 Aborted (core
>> dumped) /usr/bin/spatch -D report --very-quiet --no-show-diff
>> --cocci-file /home/geyslan/Projects/linuxtest/scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
>> --all-includes --dir . -I ./arch/x86/include -I
>> arch/x86/include/generated/uapi -I arch/x86/include/generated -I
>> include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi
>> -I ./include/uapi -I include/generated/uapi --include
>> ./include/linux/kconfig.h --max 8 --index 3
>> ./scripts/coccicheck: line 97: 18686 Segmentation fault (core
>> dumped) /usr/bin/spatch -D report --very-quiet --no-show-diff
>> --cocci-file /home/geyslan/Projects/linuxtest/scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
>> --all-includes --dir . -I ./arch/x86/include -I
>> arch/x86/include/generated/uapi -I arch/x86/include/generated -I
>> include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi
>> -I ./include/uapi -I include/generated/uapi --include
>> ./include/linux/kconfig.h --max 8 --index 4
>> ./scripts/coccicheck: line 97: 18689 Segmentation fault (core
>> dumped) /usr/bin/spatch -D report --very-quiet --no-show-diff
>> --cocci-file /home/geyslan/Projects/linuxtest/scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
>> --all-includes --dir . -I ./arch/x86/include -I
>> arch/x86/include/generated/uapi -I arch/x86/include/generated -I
>> include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi
>> -I ./include/uapi -I include/generated/uapi --include
>> ./include/linux/kconfig.h --max 8 --index 7
>> ./drivers/cpufreq/cpufreq-dt.c:87:20-28: WARNING: Unsigned expression
>> compared with zero: volt_old > 0
>> ./drivers/cpufreq/scpi-cpufreq.c:36:5-11: WARNING: Unsigned expression
>> compared with zero: domain < 0
>> ./drivers/hsi/controllers/omap_ssi.c:327:5-12: WARNING: Unsigned
>> expression compared with zero: ssi -> id < 0
>> ./drivers/clk/clk-vt8500.c:462:16-20: WARNING: Unsigned expression
>> compared with zero: div1 >= 0
>> ./drivers/clk/clk-vt8500.c:506:16-20: WARNING: Unsigned expression
>> compared with zero: div1 >= 0
>> ./drivers/clk/clk-vt8500.c:395:17-21: WARNING: Unsigned expression
>> compared with zero: div2 >= 0
>> ./drivers/clk/clk-vt8500.c:463:17-21: WARNING: Unsigned expression
>> compared with zero: div2 >= 0
>> ./drivers/clk/clk-vt8500.c:507:17-21: WARNING: Unsigned expression
>> compared with zero: div2 >= 0
>> ^CMakefile:1488: recipe for target 'coccicheck' failed
>> make: *** [coccicheck] Error 1
>>
>>
>> --
>> Regards,
>>
>> Geyslan G. Bem
>> hackingbits.com
>>



--
Regards,

Geyslan G. Bem
hackingbits.com


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