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- bash: update patchset

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vanhofen 5 years ago
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  1. 64
      patches/bash/bash50-012
  2. 73
      patches/bash/bash50-013
  3. 52
      patches/bash/bash50-014
  4. 78
      patches/bash/bash50-015
  5. 58
      patches/bash/bash50-016
  6. 289
      patches/bash/bash50-017

64
patches/bash/bash50-012
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@ -0,0 +1,64 @@
BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-012
Bug-Reported-by: lessbug@qq.com
Bug-Reference-ID: <tencent_6AA531D9A5CC4121D86BD5CDA2E0DA98C605@qq.com>
Bug-Reference-URL:
Bug-Description:
When using previous-history to go back beyond the beginning of the history list,
it's possible to move to an incorrect partial line.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/lib/readline/misc.c 2017-07-07 17:30:12.000000000 -0400
--- lib/readline/misc.c 2019-05-16 11:43:46.000000000 -0400
***************
*** 577,580 ****
--- 590,594 ----
{
HIST_ENTRY *old_temp, *temp;
+ int had_saved_line;
if (count < 0)
***************
*** 589,592 ****
--- 603,607 ----
/* If we don't have a line saved, then save this one. */
+ had_saved_line = _rl_saved_line_for_history != 0;
rl_maybe_save_line ();
***************
*** 612,616 ****
if (temp == 0)
{
! rl_maybe_unsave_line ();
rl_ding ();
}
--- 627,632 ----
if (temp == 0)
{
! if (had_saved_line == 0)
! _rl_free_saved_history_line ();
rl_ding ();
}
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 11
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 12
#endif /* _PATCHLEVEL_H_ */

73
patches/bash/bash50-013
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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-013
Bug-Reported-by: HIROSE Masaaki <hirose31@gmail.com>
Bug-Reference-ID: <CAGSOfA-RqiTe=+GsXsDKyZrrMWH4bDbXgMVVegMa6OjqC5xbnQ@mail.gmail.com>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-05/msg00038.html
Bug-Description:
Reading history entries with timestamps can result in history entries joined
by linefeeds.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/lib/readline/histfile.c 2018-06-11 09:14:52.000000000 -0400
--- lib/readline/histfile.c 2019-05-16 15:55:57.000000000 -0400
***************
*** 370,376 ****
has_timestamps = HIST_TIMESTAMP_START (buffer);
! history_multiline_entries += has_timestamps && history_write_timestamps;
/* Skip lines until we are at FROM. */
for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
if (*line_end == '\n')
--- 370,378 ----
has_timestamps = HIST_TIMESTAMP_START (buffer);
! history_multiline_entries += has_timestamps && history_write_timestamps;
/* Skip lines until we are at FROM. */
+ if (has_timestamps)
+ last_ts = buffer;
for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
if (*line_end == '\n')
***************
*** 381,385 ****
--- 383,398 ----
if (HIST_TIMESTAMP_START(p) == 0)
current_line++;
+ else
+ last_ts = p;
line_start = p;
+ /* If we are at the last line (current_line == from) but we have
+ timestamps (has_timestamps), then line_start points to the
+ text of the last command, and we need to skip to its end. */
+ if (current_line >= from && has_timestamps)
+ {
+ for (line_end = p; line_end < bufend && *line_end != '\n'; line_end++)
+ ;
+ line_start = (*line_end == '\n') ? line_end + 1 : line_end;
+ }
}
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 12
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 13
#endif /* _PATCHLEVEL_H_ */

52
patches/bash/bash50-014
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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-014
Bug-Reported-by: Johannes Hielscher <jhielscher@posteo.de>
Bug-Reference-ID: <20190208205048.77c25a83@hordevm>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-02/msg00032.html
Bug-Description:
If the current line is empty, using the emacs C-xC-e binding to enter the
editor will edit the previous command instead of the current (empty) one.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/bashline.c 2019-01-16 16:13:21.000000000 -0500
--- bashline.c 2019-02-11 11:18:57.000000000 -0500
***************
*** 962,970 ****
finished with the command, so we should not ignore the last command */
using_history ();
! if (rl_line_buffer[0])
! {
! current_command_line_count++; /* for rl_newline above */
! bash_add_history (rl_line_buffer);
! }
current_command_line_count = 0; /* for dummy history entry */
bash_add_history ("");
--- 965,970 ----
finished with the command, so we should not ignore the last command */
using_history ();
! current_command_line_count++; /* for rl_newline above */
! bash_add_history (rl_line_buffer);
current_command_line_count = 0; /* for dummy history entry */
bash_add_history ("");
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 13
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 14
#endif /* _PATCHLEVEL_H_ */

78
patches/bash/bash50-015
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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-015
Bug-Reported-by: Yu Kou <ckyoog@gmail.com>
Bug-Reference-ID: <CAAqoF9Ko3nAShJXGzucafs-ByUagzZ4nbQonwEkwC7s9UqfWKw@mail.gmail.com>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-05/msg00032.html
Bug-Description:
If alias expansion is enabled when processing the command argument to the
`-c' option, an alias is defined in that command, and the command ends with
the invocation of that alias, the shell's command parser can prematurely
terminate before the entire command is executed.
Patch (apply with `patch -p0'):
*** ../bash-20190426/builtins/evalstring.c 2019-01-29 14:15:19.000000000 -0500
--- builtins/evalstring.c 2019-05-15 14:19:36.000000000 -0400
***************
*** 92,95 ****
--- 92,96 ----
running_trap == 0 &&
*bash_input.location.string == '\0' &&
+ parser_expanding_alias () == 0 &&
command->type == cm_simple &&
signal_is_trapped (EXIT_TRAP) == 0 &&
***************
*** 106,109 ****
--- 107,111 ----
{
return (*bash_input.location.string == '\0' &&
+ parser_expanding_alias () == 0 &&
(command->value.Connection->connector == AND_AND || command->value.Connection->connector == OR_OR || command->value.Connection->connector == ';') &&
command->value.Connection->second->type == cm_simple);
***************
*** 291,295 ****
with_input_from_string (string, from_file);
clear_shell_input_line ();
! while (*(bash_input.location.string))
{
command = (COMMAND *)NULL;
--- 293,297 ----
with_input_from_string (string, from_file);
clear_shell_input_line ();
! while (*(bash_input.location.string) || parser_expanding_alias ())
{
command = (COMMAND *)NULL;
***************
*** 546,550 ****
with_input_from_string (string, from_file);
! while (*(bash_input.location.string))
{
command = (COMMAND *)NULL;
--- 548,552 ----
with_input_from_string (string, from_file);
! while (*(bash_input.location.string)) /* XXX - parser_expanding_alias () ? */
{
command = (COMMAND *)NULL;
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 14
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 15
#endif /* _PATCHLEVEL_H_ */

58
patches/bash/bash50-016
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@ -0,0 +1,58 @@
BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-016
Bug-Reported-by: sunnycemetery@gmail.com
Bug-Reference-ID: <20190316041534.GB22884@midnight>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-03/msg00070.html
Bug-Description:
Bash waits too long to reap /dev/fd process substitutions used as redirections
with loops and group commands, which can lead to file descriptor exhaustion.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/execute_cmd.c 2019-04-19 15:46:36.000000000 -0400
--- execute_cmd.c 2019-07-01 16:45:49.000000000 -0400
***************
*** 1104,1107 ****
--- 1085,1104 ----
discard_unwind_frame ("internal_fifos");
}
+ # if defined (HAVE_DEV_FD)
+ /* Reap process substitutions at the end of loops */
+ switch (command->type)
+ {
+ case cm_while:
+ case cm_until:
+ case cm_for:
+ case cm_group:
+ # if defined (ARITH_FOR_COMMAND)
+ case cm_arith_for:
+ # endif
+ reap_procsubs ();
+ default:
+ break;
+ }
+ # endif /* HAVE_DEV_FD */
#endif
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 15
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 16
#endif /* _PATCHLEVEL_H_ */

289
patches/bash/bash50-017
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@ -0,0 +1,289 @@
BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-017
Bug-Reported-by: Valentin Lab <valentin.lab@kalysto.org>
Bug-Reference-ID: <ab981b9c-60a5-46d0-b7e6-a6d88b80df50@kalysto.org>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2020-03/msg00062.html
Bug-Description:
There were cases where patch 16 reaped process substitution file descriptors
(or FIFOs) and processes to early. This is a better fix for the problem that
bash50-016 attempted to solve.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/subst.c 2019-08-29 11:16:49.000000000 -0400
--- subst.c 2020-04-02 16:24:19.000000000 -0400
***************
*** 5337,5341 ****
}
! char *
copy_fifo_list (sizep)
int *sizep;
--- 5337,5341 ----
}
! void *
copy_fifo_list (sizep)
int *sizep;
***************
*** 5343,5347 ****
if (sizep)
*sizep = 0;
! return (char *)NULL;
}
--- 5343,5347 ----
if (sizep)
*sizep = 0;
! return (void *)NULL;
}
***************
*** 5409,5414 ****
if (fifo_list[i].file)
{
! fifo_list[j].file = fifo_list[i].file;
! fifo_list[j].proc = fifo_list[i].proc;
j++;
}
--- 5409,5419 ----
if (fifo_list[i].file)
{
! if (i != j)
! {
! fifo_list[j].file = fifo_list[i].file;
! fifo_list[j].proc = fifo_list[i].proc;
! fifo_list[i].file = (char *)NULL;
! fifo_list[i].proc = 0;
! }
j++;
}
***************
*** 5426,5433 ****
void
close_new_fifos (list, lsize)
! char *list;
int lsize;
{
int i;
if (list == 0)
--- 5431,5439 ----
void
close_new_fifos (list, lsize)
! void *list;
int lsize;
{
int i;
+ char *plist;
if (list == 0)
***************
*** 5437,5442 ****
}
! for (i = 0; i < lsize; i++)
! if (list[i] == 0 && i < fifo_list_size && fifo_list[i].proc != -1)
unlink_fifo (i);
--- 5443,5448 ----
}
! for (plist = (char *)list, i = 0; i < lsize; i++)
! if (plist[i] == 0 && i < fifo_list_size && fifo_list[i].proc != -1)
unlink_fifo (i);
***************
*** 5560,5568 ****
}
! char *
copy_fifo_list (sizep)
int *sizep;
{
! char *ret;
if (nfds == 0 || totfds == 0)
--- 5566,5574 ----
}
! void *
copy_fifo_list (sizep)
int *sizep;
{
! void *ret;
if (nfds == 0 || totfds == 0)
***************
*** 5570,5579 ****
if (sizep)
*sizep = 0;
! return (char *)NULL;
}
if (sizep)
*sizep = totfds;
! ret = (char *)xmalloc (totfds * sizeof (pid_t));
return (memcpy (ret, dev_fd_list, totfds * sizeof (pid_t)));
}
--- 5576,5585 ----
if (sizep)
*sizep = 0;
! return (void *)NULL;
}
if (sizep)
*sizep = totfds;
! ret = xmalloc (totfds * sizeof (pid_t));
return (memcpy (ret, dev_fd_list, totfds * sizeof (pid_t)));
}
***************
*** 5648,5655 ****
void
close_new_fifos (list, lsize)
! char *list;
int lsize;
{
int i;
if (list == 0)
--- 5654,5662 ----
void
close_new_fifos (list, lsize)
! void *list;
int lsize;
{
int i;
+ pid_t *plist;
if (list == 0)
***************
*** 5659,5664 ****
}
! for (i = 0; i < lsize; i++)
! if (list[i] == 0 && i < totfds && dev_fd_list[i])
unlink_fifo (i);
--- 5666,5671 ----
}
! for (plist = (pid_t *)list, i = 0; i < lsize; i++)
! if (plist[i] == 0 && i < totfds && dev_fd_list[i])
unlink_fifo (i);
*** ../bash-5.0-patched/subst.h 2018-10-21 18:46:09.000000000 -0400
--- subst.h 2020-04-02 16:29:28.000000000 -0400
***************
*** 274,280 ****
extern void unlink_fifo __P((int));
! extern char *copy_fifo_list __P((int *));
! extern void unlink_new_fifos __P((char *, int));
! extern void close_new_fifos __P((char *, int));
extern void clear_fifo_list __P((void));
--- 274,279 ----
extern void unlink_fifo __P((int));
! extern void *copy_fifo_list __P((int *));
! extern void close_new_fifos __P((void *, int));
extern void clear_fifo_list __P((void));
*** ../bash-5.0-patched/execute_cmd.c 2020-02-06 20:16:48.000000000 -0500
--- execute_cmd.c 2020-04-02 17:00:10.000000000 -0400
***************
*** 565,569 ****
#if defined (PROCESS_SUBSTITUTION)
volatile int ofifo, nfifo, osize, saved_fifo;
! volatile char *ofifo_list;
#endif
--- 565,569 ----
#if defined (PROCESS_SUBSTITUTION)
volatile int ofifo, nfifo, osize, saved_fifo;
! volatile void *ofifo_list;
#endif
***************
*** 751,760 ****
# endif
! if (variable_context != 0) /* XXX - also if sourcelevel != 0? */
{
ofifo = num_fifos ();
ofifo_list = copy_fifo_list ((int *)&osize);
begin_unwind_frame ("internal_fifos");
! add_unwind_protect (xfree, ofifo_list);
saved_fifo = 1;
}
--- 751,762 ----
# endif
! /* XXX - also if sourcelevel != 0? */
! if (variable_context != 0)
{
ofifo = num_fifos ();
ofifo_list = copy_fifo_list ((int *)&osize);
begin_unwind_frame ("internal_fifos");
! if (ofifo_list)
! add_unwind_protect (xfree, ofifo_list);
saved_fifo = 1;
}
***************
*** 1100,1123 ****
nfifo = num_fifos ();
if (nfifo > ofifo)
! close_new_fifos ((char *)ofifo_list, osize);
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
- # if defined (HAVE_DEV_FD)
- /* Reap process substitutions at the end of loops */
- switch (command->type)
- {
- case cm_while:
- case cm_until:
- case cm_for:
- case cm_group:
- # if defined (ARITH_FOR_COMMAND)
- case cm_arith_for:
- # endif
- reap_procsubs ();
- default:
- break;
- }
- # endif /* HAVE_DEV_FD */
#endif
--- 1102,1109 ----
nfifo = num_fifos ();
if (nfifo > ofifo)
! close_new_fifos ((void *)ofifo_list, osize);
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
#endif
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 16
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 17
#endif /* _PATCHLEVEL_H_ */
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