Re: git segfaults on older Solaris releases

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On 07/04/16 22:19, Tom G. Christensen wrote:
On 07/04/16 20:50, Junio C Hamano wrote:
Junio C Hamano <gitster@xxxxxxxxx> writes:
So perhaps this is all we need to fix your box.

  setup.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)


I applied this patch to 2.8.0 and have completed a testsuite run on
Solaris 2.6/x86 with only a few unrelated problems.
I will continue testing on the other Solaris < 10 releases but I do not
expect any difference in the outcome.


I've finished testing 2.8.1 and I found one more case where a null is being printed and causing a segfault. This happens even on Solaris 8 and 9.
The failling test is t3200.63.

Here is the backtrace from a Solaris 8/SPARC machine:

(gdb) core trash directory.t3200-branch/core
[New LWP 1]
[Thread debugging using libthread_db enabled]
[New Thread 1 (LWP 1)]
Core was generated by `/export/home/tgc/buildpkg/git/src/git-2.8.1/git branch --unset-upstream'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xfecb32cc in strlen () from /usr/lib/libc.so.1
(gdb) bt
#0  0xfecb32cc in strlen () from /usr/lib/libc.so.1
#1  0xfed06508 in _doprnt () from /usr/lib/libc.so.1
#2  0xfed08690 in vfprintf () from /usr/lib/libc.so.1
#3 0x001487bc in vreportf (prefix=<optimized out>, err=<optimized out>, params=0xffbfe408) at usage.c:23 #4 0x0014881c in die_builtin (err=0x198f90 "Could not set '%s' to '%s'", params=0xffbfe408) at usage.c:35 #5 0x00148934 in die (err=0x198f90 "Could not set '%s' to '%s'") at usage.c:108 #6 0x000af1b0 in git_config_set_multivar_in_file (value=0x0, key=0x1ecca0 "branch.master.remote", config_filename=<optimized out>, value_regex=<optimized out>, multi_replace=<optimized out>) at config.c:2226 #7 git_config_set_multivar_in_file (config_filename=0x0, key=0x1ecca0 "branch.master.remote", value=0x0,
    value_regex=0x0, multi_replace=1) at config.c:2220
#8 0x0003aa6c in cmd_branch (argc=0, argv=0xffbfec00, prefix=<optimized out>) at builtin/branch.c:793 #9 0x000255e8 in run_builtin (argv=0xffbfec00, argc=2, p=0x1c365c <commands+84>) at git.c:353
#10 handle_builtin (argc=2, argv=0xffbfec00) at git.c:540
#11 0x00168ecc in run_argv (argv=0xffbfeb30, argcp=0xffbfebdc) at git.c:594
#12 main (argc=2, av=<optimized out>) at git.c:701
(gdb)


-tgc
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