busybox.git, branch 1_32_stable

decompress_gunzip: Fix DoS if gzip is corrupt

2021-03-31T13:00:27+00:00

On certain corrupt gzip files, huft_build will set the error bit on
the result pointer. If afterwards abort_unzip is called huft_free
might run into a segmentation fault or an invalid pointer to
free(p).

In order to mitigate this, we check in huft_free if the error bit
is set and clear it before the linked list is freed.

Signed-off-by: Samuel Sapalski 
Signed-off-by: Peter Kaestle 
Signed-off-by: Denys Vlasenko

ash: fix ${unset_var/pattern/repl}

2021-03-30T13:17:12+00:00

function                                             old     new   delta
subevalvar                                          1349    1353      +4

Signed-off-by: Denys Vlasenko

Bump version to 1.32.1

2021-01-01T13:43:57+00:00

Signed-off-by: Denys Vlasenko

hush: output bash-compat killing signal names

2021-01-01T13:30:58+00:00

This significantly syncronises ash-signals and hush-signals tests.

function                                             old     new   delta
process_wait_result                                  449     450      +1

Signed-off-by: Denys Vlasenko

hush: do not print killing signal name in `cmd_whihc_dies_on_signal`

2021-01-01T13:30:58+00:00

function                                             old     new   delta
process_wait_result                                  438     449     +11

Signed-off-by: Denys Vlasenko

shell: remove FAST_FUNC from a static function

2021-01-01T13:30:58+00:00

Signed-off-by: Denys Vlasenko

shell: add testsuite for "wait $pid" waiting for other tasks

2021-01-01T13:30:58+00:00

Signed-off-by: Denys Vlasenko

ash: jobs: Fix waitcmd busy loop

2021-01-01T13:30:58+00:00

Upstream commit:

    Date: Tue, 2 Jun 2020 23:46:48 +1000
    jobs: Fix waitcmd busy loop

    We need to clear gotsigchld in waitproc because it is used as
    a loop conditional for the waitcmd case.  Without it waitcmd
    may busy loop after a SIGCHLD.

    This patch also changes gotsigchld into a volatile sig_atomic_t
    to prevent compilers from optimising its accesses away.

    Fixes: 6c691b3e5099 ("jobs: Only clear gotsigchld when waiting...")
    Signed-off-by: Herbert Xu 

This change also incorporates other changes to bring us closer to upstream.

function                                             old     new   delta
dowait                                               553     636     +83

Signed-off-by: Denys Vlasenko

ash: jobs: Fix infinite loop in waitproc

2021-01-01T13:30:58+00:00

Upstream commit:

    Date: Fri, 10 Apr 2020 21:03:09 +1000
    jobs: Fix infinite loop in waitproc

    After we changed the resetting of gotsigchld so that it is only
    done if jp is NULL, we can now get an infinite loop in waitproc
    if gotsigchld is set but there is no outstanding child because
    everything had been waited for previously without gotsigchld being
    zeroed.

    This patch fixes it by always zeroing gotsigchld as we did before.
    The bug that the previous patch was trying to fix is now resolved
    by switching the blocking mode to DOWAIT_NORMAL after the specified
    job has been completed so that we really do wait for all outstanding
    dead children.

    Reported-by: Harald van Dijk 
    Fixes: 6c691b3e5099 ("jobs: Only clear gotsigchld when waiting...")
    Signed-off-by: Herbert Xu 

function                                             old     new   delta
dowait                                               553     631     +78

Signed-off-by: Denys Vlasenko

ash: remove a tentative TODO, it's a wrong idea

2021-01-01T13:30:58+00:00

Upstream tried it, and then reverted by:

    From: Herbert Xu 
    Date: Tue, 26 May 2020 23:19:05 +1000
    parser: Fix double-backslash nl in old-style command sub

Signed-off-by: Denys Vlasenko