[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
** Changed in: less (Debian) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Fix Released Status in less package in Debian: Fix Released Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
This bug was fixed in the package less - 458-3ubuntu1 --- less (458-3ubuntu1) xenial; urgency=medium * d/p/03-707824-fix_double_free_with_multiple_regex_groups.patch: - Cherry-pick upstream fix for double free in regular expression code. (Closes: #707824; LP: #1521043) -- Richard Hansen Sun, 29 Nov 2015 22:40:34 -0500 ** Changed in: less (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Fix Released Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
Thank you so much for the patch! I've uploaded it with minor modifications to xenial. Specifically, adjusted changelog (version simplification, wily->xenial, named patch file) and ran update- maintainer. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Triaged Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
I renamed my account, so the PPA with the fixed version is now at: https://launchpad.net/~rhansen/+archive/ubuntu/bug1521043 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Triaged Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
** Changed in: less (Ubuntu) Status: New => Triaged ** Changed in: less (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Triaged Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
The attachment "debdiff" seems to be a debdiff. The ubuntu-sponsors team has been subscribed to the bug report so that they can review and hopefully sponsor the debdiff. If the attachment isn't a patch, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe the team. [This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issue please contact him.] -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: New Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
This is an upstream less bug that was fixed in version 481. Attached is a debdiff that cherry-picks the fix for this bug. I have uploaded a fixed version of less to my PPA (for trusty (14.04) and wily (15.10)). See: https://launchpad.net/~a7x/+archive/ubuntu/bug1521043 ** Patch added: "debdiff" https://bugs.launchpad.net/debian/+source/less/+bug/1521043/+attachment/4527386/+files/debdiff.patch ** Tags added: patch -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: New Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1521043] Re: less 458 crashes if search regex has many groups
** Changed in: less (Debian) Status: Unknown => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: New Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(x)${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp