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bannable (Joe Truba)

  • Registered on: 09/26/2018
  • Last connection: 01/29/2019

Issues

Activity

11/05/2018

04:36 PM Ruby trunk Bug #15282 (Closed): Segfault (null pointer dereference) in variable.c iv_index_tbl_make
Reproducer and crash:
~~~
jtruba@dev118:~/rubies/ruby-trunk$ ./ruby -e 'END{n}; END{return}'
-e: unexpected return...
bannable (Joe Truba)

10/30/2018

09:44 PM Ruby trunk Bug #15272 (Closed): Segfault (type confusion?) in literal_concat
Reproducer:
~~~
jtruba@dev118:~/rubies/ruby-trunk$ xxd ../repro5
00000000: 3c3c 7e30 270a 200a 3023 7b7d 0a30 ...
bannable (Joe Truba)
09:36 PM Ruby trunk Bug #15271 (Closed): Segfault (null pointer deref) in parse.y:1354
Reproducer and crash:
~~~
jtruba@dev118:~/rubies/ruby-trunk$ ./ruby -e 'a **{}'
./ruby: [BUG] Segmentation fault a...
bannable (Joe Truba)

10/24/2018

03:05 PM Ruby trunk Bug #15237: Extreme memory/CPU utilization when calculating some exponents
This seems to have been fixed in r65190.
~~~
$ ./ruby --version
ruby 2.6.0dev (2018-10-24 trunk 65355) [x86_64-l...
bannable (Joe Truba)
03:03 PM Ruby trunk Bug #15246: Invalid read (SEGV on indeterminate address) in id_table.c
nobu (Nobuyoshi Nakada) wrote:
> Maybe fixed by r65190?
Yes, looks fixed.
~~~
$ ASAN_OPTIONS=detect_leaks=0 ....
bannable (Joe Truba)

10/23/2018

05:28 PM Ruby trunk Bug #15248 (Closed): Segfault/memory corruption in vm.c:1946
Reproducer:
~~~
$ xxd ../repro3
00000000: 2557 0024 7f54 0020 7c7c 6e54 5a20 7768 %W.$.T. ||nTZ wh
00000010: 696...
bannable (Joe Truba)
04:51 PM Ruby trunk Bug #15246 (Closed): Invalid read (SEGV on indeterminate address) in id_table.c
This one does not crash a normal ruby build, but results in ASAN SEGVing on an unknown address. Valgrind doesn't seem... bannable (Joe Truba)
04:46 PM Ruby trunk Bug #15245 (Closed): Heap buffer overflow (write of size 8) in vm.inc
Reproducer:
~~~
$ xxd repro1_2
00000000: 2557 0030 007c 7c30 7768 696c 650a 30 %W.0.||0while.0
$
~~~
Addr...
bannable (Joe Truba)

10/19/2018

04:43 PM Ruby trunk Bug #15237: Extreme memory/CPU utilization when calculating some exponents
Small correction: The comment about units is off a magnitude. It's 10 Gb rss and 15 Gb vss at 2m30s. bannable (Joe Truba)
04:32 PM Ruby trunk Bug #15237 (Rejected): Extreme memory/CPU utilization when calculating some exponents
During a recent fuzzing session, AFL identified a simple input which causes extreme memory and CPU utilization when p... bannable (Joe Truba)

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