diff options
Diffstat (limited to 'source/a/bash/bash-4.2-patches/bash42-043')
| -rw-r--r-- | source/a/bash/bash-4.2-patches/bash42-043 | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/source/a/bash/bash-4.2-patches/bash42-043 b/source/a/bash/bash-4.2-patches/bash42-043 new file mode 100644 index 00000000..b25a5ee3 --- /dev/null +++ b/source/a/bash/bash-4.2-patches/bash42-043 @@ -0,0 +1,65 @@ + BASH PATCH REPORT + ================= + +Bash-Release: 4.2 +Patch-ID: bash42-043 + +Bug-Reported-by: konsolebox <konsolebox@gmail.com> +Bug-Reference-ID: <CAJnmqwZuGKLgMsMwxRK4LL+2NN+HgvmKzrnode99QBGrcgX1Lw@mail.gmail.com> +Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2013-01/msg00138.html + +Bug-Description: + +When SIGCHLD is trapped, and a SIGCHLD trap handler runs when a pending +`read -t' invocation times out and generates SIGALRM, bash can crash with +a segmentation fault. + +Patch (apply with `patch -p0'): + +*** ../bash-4.2-patched/builtins/read.def 2012-10-31 21:22:51.000517000 -0400 +--- builtins/read.def 2013-01-25 10:28:16.000038000 -0500 +*************** +*** 386,393 **** + /* Tricky. The top of the unwind-protect stack is the free of + input_string. We want to run all the rest and use input_string, +! so we have to remove it from the stack. */ +! remove_unwind_protect (); +! run_unwind_frame ("read_builtin"); + input_string[i] = '\0'; /* make sure it's terminated */ + retval = 128+SIGALRM; + goto assign_vars; +--- 386,403 ---- + /* Tricky. The top of the unwind-protect stack is the free of + input_string. We want to run all the rest and use input_string, +! so we have to save input_string temporarily, run the unwind- +! protects, then restore input_string so we can use it later. */ +! + input_string[i] = '\0'; /* make sure it's terminated */ ++ if (i == 0) ++ { ++ t = (char *)xmalloc (1); ++ t[0] = 0; ++ } ++ else ++ t = savestring (input_string); ++ ++ run_unwind_frame ("read_builtin"); ++ input_string = t; + retval = 128+SIGALRM; + goto assign_vars; + +*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010 +--- patchlevel.h Thu Feb 24 21:41:34 2011 +*************** +*** 26,30 **** + looks for to find the patch level (for the sccs version string). */ + +! #define PATCHLEVEL 42 + + #endif /* _PATCHLEVEL_H_ */ +--- 26,30 ---- + looks for to find the patch level (for the sccs version string). */ + +! #define PATCHLEVEL 43 + + #endif /* _PATCHLEVEL_H_ */ |