Tig crashes when searching if used as git pager

[Marco Trevisan (Treviño)]

export GIT_PAGER="tig"
git log

or just

git log | tig

Then, write '/' and hit enter, tig will crash.

This is the backtrace when launching it as

git log | gdb -ex r -ex "set logging on" -ex "bt full" -ex quit --args tig

So it looks like more a readline issue

#0 0x00007ffff7f84a20 in _rl_update_final () at ./display.c:2972
        full_lines = 0
        woff = 0
        botline_length = <optimized out>
#1 0x00007ffff7f8b695 in rl_newline (count=<optimized out>, key=<optimized out>) at ./text.c:1105
No locals.
#2 0x00007ffff7f6d707 in _rl_dispatch_subseq (key=13, map=<optimized out>, got_subseq=<optimized out>) at ./readline.c:852
        r = 0
        newkey = <optimized out>
        macro = <optimized out>
        func = 0x7ffff7f8b5d0 <rl_newline>
        cxt = <optimized out>
#3 0x00007ffff7f6dbf5 in _rl_dispatch (key=<optimized out>, map=<optimized out>) at ./readline.c:798
No locals.
#4 0x00007ffff7f6dcc5 in readline_internal_char () at ./readline.c:632
        lastc = 13
        eof_found = <optimized out>
        c = <optimized out>
        code = <optimized out>
        lk = 0
        r = <optimized out>
#5 0x00007ffff7f6e4ed in readline_internal_charloop () at ./readline.c:659
        eof = 1
--Type <RET> for more, q to quit, c to continue without paging-- eof = <optimized out>
#6 readline_internal () at ./readline.c:671
No locals.
#7 readline (prompt=prompt@entry=0x5555555928da "/") at ./readline.c:377
        value = <optimized out>
#8 0x000055555557200d in read_prompt (prompt=prompt@entry=0x5555555928da "/") at src/prompt.c:499
        line = 0x0
        last_entry = <optimized out>
#9 0x000055555557a2f6 in search_view (view=0x5555555ea9e0 <pager_view>, request=REQ_SEARCH) at src/search.c:240
        prompt = 0x5555555928da "/"
        search = <optimized out>
#10 0x000055555556134d in view_driver (request=REQ_SEARCH, view=0x5555555ea9e0 <pager_view>) at src/tig.c:296
        i = <optimized out>
        i = <optimized out>
        line = <optimized out>
        nviews = <optimized out>
        next_view = <optimized out>
#11 main (argc=<optimized out>, argv=<optimized out>) at src/tig.c:840
        codeset = <optimized out>
        pager_mode = true
        request = <optimized out>
        view = <optimized out>
A debugging session is active.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: tig 2.4.1-1build1
ProcVersionSignature: Ubuntu 4.18.0-21.22~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 4 13:37:48 2019
SourcePackage: tig
UpgradeStatus: No upgrade log present (probably fresh install)

[Marco Trevisan (Treviño) (3v1n0)]

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[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "tig-2.4.1-segfault-fix.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.]

[Launchpad Janitor (janitor)]

This bug was fixed in the package tig - 2.4.1-1ubuntu1

---------------
tig (2.4.1-1ubuntu1) focal; urgency=medium

  * debian/patches/0001-Fix-segfaults-with-readline-8.0.patch:
    - Fix a crash when using readline 8.0 (LP: #1851235)

 -- Marco Trevisan (Treviño) <email address hidden> Mon, 04 Nov 2019 16:37:49 +0100