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[Bug-wget] [bug #49512] segfault if .wget-hsts is not accessible


From: anonymous
Subject: [Bug-wget] [bug #49512] segfault if .wget-hsts is not accessible
Date: Sat, 17 Dec 2016 20:33:03 -0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36 OPR/41.0.2353.46

URL:
  <http://savannah.gnu.org/bugs/?49512>

                 Summary: segfault if .wget-hsts is not accessible
                 Project: GNU Wget
            Submitted by: None
            Submitted on: Wed 02 Nov 2016 12:29:17 PM UTC
                Category: Crash/Freeze/Infloop
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Tom Mittelst├Ądt
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.18
        Operating System: GNU/Linux
         Reproducibility: Every Time
           Fixed Release: None
         Planned Release: None
              Regression: None
           Work Required: None
          Patch Included: None

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Details:

wget segfaults if it cannot access ~/.wget-hsts (eg due to insufficent access
rights)

$ wget -d gnu.org
DEBUG output created by Wget 1.18 on linux-gnu.

Reading HSTS entries from /home/tom/.wget-hsts
Segmentation fault (core dumped)


$ gdb wget
GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu1) 7.11.90.20161005-git
(gdb) run -d gnu.org
Starting program: /usr/bin/wget -d gnu.org
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
DEBUG output created by Wget 1.18 on linux-gnu.

Reading HSTS entries from /home/tom/.wget-hsts

Program received signal SIGSEGV, Segmentation fault.
_IO_new_fclose (fp=0x0) at iofclose.c:53





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