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We have a couple of !SANITIZE_LEAK prerequisites for tests that used to
fail due to memory leaks. These have all been fixed by now, so let's
drop the prerequisite.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both t5558 and t5601 are leak-free starting with 6dab49b9fb (bundle-uri:
plug leak in unbundle_from_file(), 2024-10-10). Mark them accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running t5601 with the leak checker enabled we can see a hang in
our CI systems. This hang seems to be system-specific, as I cannot
reproduce it on my own machine.
As it turns out, the issue is in those testcases that exercise cloning
of `~repo`-style paths. All of the testcases that hang eventually end up
interpreting "repo" as the username and will call getpwnam(3p) with that
username. That should of course be fine, and getpwnam(3p) should just
return an error. But instead, the leak sanitizer seems to be recursing
while handling a call to `free()` in the NSS modules:
#0 0x00007ffff7fd98d5 in _dl_update_slotinfo (req_modid=1, new_gen=2) at ../elf/dl-tls.c:720
#1 0x00007ffff7fd9ac4 in update_get_addr (ti=0x7ffff7a91d80, gen=<optimized out>) at ../elf/dl-tls.c:916
#2 0x00007ffff7fdc85c in __tls_get_addr () at ../sysdeps/x86_64/tls_get_addr.S:55
#3 0x00007ffff7a27e04 in __lsan::GetAllocatorCache () at ../../../../src/libsanitizer/lsan/lsan_linux.cpp:27
#4 0x00007ffff7a2b33a in __lsan::Deallocate (p=0x0) at ../../../../src/libsanitizer/lsan/lsan_allocator.cpp:127
#5 __lsan::lsan_free (p=0x0) at ../../../../src/libsanitizer/lsan/lsan_allocator.cpp:220
...
#261505 0x00007ffff7fd99f2 in free (ptr=<optimized out>) at ../include/rtld-malloc.h:50
#261506 _dl_update_slotinfo (req_modid=1, new_gen=2) at ../elf/dl-tls.c:822
#261507 0x00007ffff7fd9ac4 in update_get_addr (ti=0x7ffff7a91d80, gen=<optimized out>) at ../elf/dl-tls.c:916
#261508 0x00007ffff7fdc85c in __tls_get_addr () at ../sysdeps/x86_64/tls_get_addr.S:55
#261509 0x00007ffff7a27e04 in __lsan::GetAllocatorCache () at ../../../../src/libsanitizer/lsan/lsan_linux.cpp:27
#261510 0x00007ffff7a2b33a in __lsan::Deallocate (p=0x5020000001e0) at ../../../../src/libsanitizer/lsan/lsan_allocator.cpp:127
#261511 __lsan::lsan_free (p=0x5020000001e0) at ../../../../src/libsanitizer/lsan/lsan_allocator.cpp:220
#261512 0x00007ffff793da25 in module_load (module=0x515000000280) at ./nss/nss_module.c:188
#261513 0x00007ffff793dee5 in __nss_module_load (module=0x515000000280) at ./nss/nss_module.c:302
#261514 __nss_module_get_function (module=0x515000000280, name=name@entry=0x7ffff79b9128 "getpwnam_r") at ./nss/nss_module.c:328
#261515 0x00007ffff793e741 in __GI___nss_lookup_function (fct_name=<optimized out>, ni=<optimized out>) at ./nss/nsswitch.c:137
#261516 __GI___nss_next2 (ni=ni@entry=0x7fffffffa458, fct_name=fct_name@entry=0x7ffff79b9128 "getpwnam_r", fct2_name=fct2_name@entry=0x0, fctp=fctp@entry=0x7fffffffa460,
status=status@entry=0, all_values=all_values@entry=0) at ./nss/nsswitch.c:120
#261517 0x00007ffff794c6a7 in __getpwnam_r (name=name@entry=0x501000000060 "repo", resbuf=resbuf@entry=0x7ffff79fb320 <resbuf>, buffer=<optimized out>,
buflen=buflen@entry=1024, result=result@entry=0x7fffffffa4b0) at ../nss/getXXbyYY_r.c:343
#261518 0x00007ffff794c4d8 in getpwnam (name=0x501000000060 "repo") at ../nss/getXXbyYY.c:140
#261519 0x00005555557e37ff in getpw_str (username=0x5020000001a1 "repo", len=4) at path.c:613
#261520 0x00005555557e3937 in interpolate_path (path=0x5020000001a0 "~repo", real_home=0) at path.c:654
#261521 0x00005555557e3aea in enter_repo (path=0x501000000040 "~repo", strict=0) at path.c:718
#261522 0x000055555568f0ba in cmd_upload_pack (argc=1, argv=0x502000000100, prefix=0x0, repo=0x0) at builtin/upload-pack.c:57
#261523 0x0000555555575ba8 in run_builtin (p=0x555555a20c98 <commands+3192>, argc=2, argv=0x502000000100, repo=0x555555a53b20 <the_repo>) at git.c:481
#261524 0x0000555555576067 in handle_builtin (args=0x7fffffffaab0) at git.c:742
#261525 0x000055555557678d in cmd_main (argc=2, argv=0x7fffffffac58) at git.c:912
#261526 0x00005555556963cd in main (argc=2, argv=0x7fffffffac58) at common-main.c:64
Note that this stack is more than 260000 function calls deep. Run under
the debugger this will eventually segfault, but in our CI systems it
seems like this just hangs forever.
I assume that this is a bug either in the leak sanitizer or in glibc, as
I cannot reproduce it on my machine. In any case, let's work around the
bug for now by marking those tests with the "!SANITIZE_LEAK" prereq.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `UNLEAK()` macro has been introduced with 0e5bba53af (add UNLEAK
annotation for reducing leak false positives, 2017-09-08) to help us
reduce the amount of reported memory leaks in cases we don't care about,
e.g. when exiting immediately afterwards. We have since removed all of
its users in favor of freeing the memory and thus don't need the macro
anymore.
Remove it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are two users of `UNLEAK()` left in our codebase:
- In "builtin/clone.c", annotating the `repo` variable. That leak has
already been fixed though as you can see in the context, where we do
know to free `repo_to_free`.
- In "builtin/diff.c", to unleak entries of the `blob[]` array. That
leak has also been fixed, because the entries we assign to that
array come from `rev.pending.objects`, and we do eventually release
`rev`.
This neatly demonstrates one of the issues with `UNLEAK()`: it is quite
easy for the annotation to become stale. A second issue is that its
whole intent is to paper over leaks. And while that has been a necessary
evil in the past, because Git was leaking left and right, it isn't
really much of an issue nowadays where our test suite has no known leaks
anymore.
Remove the last two users of this macro.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're leaking the commit-graph in the "test-helper read-graph"
subcommand, but as the leak is annotated with `UNLEAK()` the leak
sanitizer doesn't complain.
Fix the leak by calling `free_commit_graph()`. Besides getting rid of
the `UNLEAK()` annotation, it also increases code coverage because we
properly release resources as Git would do it, as well.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The sorting options are leaking, but given that they are marked with
`UNLEAK()` the leak sanitizer doesn't complain.
Fix the leak by creating a common exit path and clearing the vector such
that we can get rid of the `UNLEAK()` annotation entirely.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We've got a couple of leaking directory paths in git-init(1), all of
which are marked with `UNLEAK()`. Fixing them is trivial, so let's do
that instead so that we can get rid of `UNLEAK()` entirely.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `check_git_cmd()` function is declared to return a string constant.
And while it sometimes does return a constant, it may also return an
allocated string in two cases:
- When handling aliases. This case is already marked with `UNLEAK()`
to work around the leak.
- When handling unknown commands in case "help.autocorrect" is
enabled. This one is not marked with `UNLEAK()`.
The function only has a single caller, so let's fix its return type to
be non-constant, consistently return an allocated string and free it at
its callsite to plug the leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While `help_unknown_cmd()` would usually die on an unknown command, it
instead returns an autocorrected command when "help.autocorrect" is set.
But while the function is declared to return a string constant, it
actually returns an allocated string in that case. Callers thus aren't
aware that they have to free the string, leading to a memory leak.
Fix the function return type to be non-constant and free the returned
value at its only callsite.
Note that we cannot simply take ownership of `main_cmds.names[0]->name`
and then eventually free it. This is because the `struct cmdname` is
using a flex array to allocate the name, so the name pointer points into
the middle of the structure and thus cannot be freed.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're populating multiple `struct cmdnames`, but don't ever free them.
Plug this memory leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're reading the "help.autocorrect" and "alias.*" configuration into
global variables, which makes it hard to manage their lifetime
correctly. Refactor the code to use a struct instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both `git sparse-checkout add` and `git sparse-checkout set` accept a
list of additional directories or patterns. These get massaged via calls
to `sanitize_paths()`, which may end up modifying the passed-in array by
updating its pointers to be prefixed paths. This allocates memory that
we never free.
Refactor the code to instead use a `struct strvec`, which makes it way
easier for us to track the lifetime correctly. The couple of extra
memory allocations likely do not matter as we only ever populate it with
command line arguments.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `move_cache_to_base_index()` we move the index cache of the main
index into the split index, which is used when writing a shared index.
But we don't release the old split index base in case we already had a
split index before this operation, which can thus leak memory.
Plug the leak by releasing the previous base.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Similar as with the preceding commit, `handle_builtin()` does not
properly track lifetimes of the `argv` array and its strings. As it may
end up modifying the array this can lead to memory leaks in case it
contains allocated strings.
Refactor the function to use a `struct strvec` instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `handle_alias()` we use both `argcp` and `argv` as in-out parameters.
Callers mostly pass through the static array from `main()`, but once we
handle an alias we replace it with an allocated array that may contain
some allocated strings. Callers do not handle this scenario at all and
thus leak memory.
We could in theory handle the lifetime of `argv` in a hacky fashion by
letting callers free it in case they see that an alias was handled. But
while that would likely work, we still wouldn't be able to easily handle
the lifetime of strings referenced by `argv`.
Refactor the code to instead use a `struct strvec`, which effectively
removes the need for us to manually track lifetimes.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a new `strvec_splice()` function that can replace a range of
strings in the vector with another array of strings. This function will
be used in subsequent commits.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `process_ranges_merge_commit()` we try to figure out which of the
parents can be blamed for the given line changes. When we figure out
that none of the files in the line-log have changed we assign the
complete blame to that commit and rewrite the parents of the current
commit to only use that single parent.
This is done via `commit_list_append()`, which is misleadingly _not_
appending to the list of parents. Instead, we overwrite the parents with
the blamed parent. This makes us lose track of the old pointers,
creating a memory leak.
Fix this issue by freeing the parents before we overwrite them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are various cases where we leak commit list items because we
evict items from the list, but don't free them. Plug those.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we free the result commit list at the end of `check_merge_base()`,
we forget to free any items that we have already iterated over. Fix this
by using a separate variable to iterate through them.
This leak is exposed by t6030, but plugging it does not make the whole
test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are multiple leaks in `bisect_next_all()`. For one we don't free
the `tried` commit list. Second, one of the branches uses a direct
return instead of jumping to the cleanup code.
Fix these by freeing the commit list and converting the return to a
goto.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reading bisect refs we read the reference mapping to the "bad" term
into the global `current_bad_oid` variable. This is an allocated string,
but because it is global we never have to free it. This changes though
when `register_ref()` is being called multiple times, at which point
we'll overwrite the previous pointer and thus make it unreachable.
Fix this issue by freeing the previous value. This leak is exposed by
t6030, but plugging it does not make the whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When handling a bad merge base we print an error, which includes the set
of good revisions joined by spaces. This string is allocated, but never
freed.
Fix this memory leak. Note that the local `bad_hex` varible also looks
like a string that we should free. But in fact, `oid_to_hex()` returns
an address to a static variable even though it is declared to return a
non-constant string. The function signature is thus quite misleading and
really should be fixed, but doing so is outside of the scope of this
patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even though `read_bisect_terms()` is declared as assigning string
constants, it in fact assigns allocated strings to the `read_bad` and
`read_good` out parameters. The only callers of this function assign the
result to global variables and thus don't have to free them in order to
be leak-free. But that changes when executing the function multiple
times because we'd then overwrite the previous value and thus make it
unreachable.
Fix the function signature and free the previous values. This leak is
exposed by t0630, but plugging it does not make the whole test suite
pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When passing `--incremental` to git-blame(1) we exit early by jumping to
the `cleanup` label. But some of the cleanups we perform are handled
between the `goto` and its label, and thus we leak the data.
Move the cleanups after the `cleanup` label. While at it, move the logic
to free the scoreboard's `final_buf` into `cleanup_scoreboard()` and
drop its `const` declaration.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This one is a little bit more curious. In t6112, we have a test that
exercises the `git rev-list --filter` option with invalid filters. We
execute git-rev-list(1) via `test_must_fail`, which means that we check
for leaks even though Git exits with an error code. This causes the
following leak:
Direct leak of 27 byte(s) in 1 object(s) allocated from:
#0 0x5555555e6946 in realloc.part.0 lsan_interceptors.cpp.o
#1 0x5555558fb4b6 in xrealloc wrapper.c:137:8
#2 0x5555558b6e06 in strbuf_grow strbuf.c:112:2
#3 0x5555558b7550 in strbuf_add strbuf.c:311:2
#4 0x5555557c1a88 in strbuf_addstr strbuf.h:310:2
#5 0x5555557c1d4c in parse_list_objects_filter list-objects-filter-options.c:261:3
#6 0x555555885ead in handle_revision_pseudo_opt revision.c:2899:3
#7 0x555555884e20 in setup_revisions revision.c:3014:11
#8 0x5555556c4b42 in cmd_rev_list builtin/rev-list.c:588:9
#9 0x5555555ec5e3 in run_builtin git.c:483:11
#10 0x5555555eb1e4 in handle_builtin git.c:749:13
#11 0x5555555ec001 in run_argv git.c:819:4
#12 0x5555555eaf94 in cmd_main git.c:954:19
#13 0x5555556fd569 in main common-main.c:64:11
#14 0x7ffff7ca714d in __libc_start_call_main (.../lib/libc.so.6+0x2a14d)
#15 0x7ffff7ca7208 in __libc_start_main@GLIBC_2.2.5 (.../libc.so.6+0x2a208)
#16 0x5555555ad064 in _start (git+0x59064)
This leak is valid, as we call `die()` and do not clean up the memory at
all. But what's curious is that this is the only leak reported, because
we don't clean up any other allocated memory, either, and I have no idea
why the leak sanitizer treats this buffer specially.
In any case, we can work around the leak by shuffling things around a
bit. Instead of calling `gently_parse_list_objects_filter()` and dying
after we have modified the filter spec, we simply do so beforehand. Like
this we don't allocate the buffer in the error case, which makes the
reported leak go away.
It's not pretty, but it manages to make t6112 leak free.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `obuf` member of `struct merge_options` is used to buffer output in
some cases. In order to not discard its allocated memory we only release
its contents in `merge_finalize()` when we're not currently recursing
into a subtree.
This results in some situations where we seemingly do not release the
buffer reliably. We thus have calls to `strbuf_release()` for this
buffer scattered across the codebase. But we're missing one callsite in
git-merge(1), which causes a memory leak.
We should ideally refactor this interface so that callers don't have to
know about any such internals. But for now, paper over the issue by
adding one more `strbuf_release()` call.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use `repo_config_get_string()` to read "status.showUntrackedFiles"
from the config subsystem. This function allocates the result, but we
never free the result after parsing it.
The value never leaves the scope of the calling function, so refactor it
to instead use `repo_config_get_string_tmp()`, which does not hand over
ownership to the caller.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We never release the local `struct strbuf base` buffer, thus leaking
memory. Fix this leak.
This leak is exposed by t7063, but plugging it alone does not make the
whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While "common-main.c" already initializes `the_repository` for us, we do
so a second time in the "read-cache" test helper. This causes a memory
leak because the old repository's contents isn't released.
Stop calling `initialize_repository()` to plug this leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we free the `fsmonitor_dirty` member of `struct index_state`, we
do not free the contents of that EWAH. Do so by using `ewah_free()`
instead of `FREE_AND_NULL()`.
This leak is exposed by t7519, but plugging it alone does not make the
test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are several cases where we invalidate untracked cache directory
entries where we do not free the underlying data, but reset the number
of entries. This causes us to leak memory because `free_untracked()`
will not iterate over any potential entries which we still had in the
array.
Fix this issue by freeing old entries. The leak is exposed by t7519, but
plugging it alone does not make the whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `cnt` variable tracks the number of lines in a patch diff. It can
happen though that there are no newlines, in which case we'd still end
up allocating our array of `sline`s. In fact, we always allocate it with
`cnt + 2` entries: one extra entry for the deletion hunk at the end, and
another entry that we don't seem to ever populate at all but acts as a
kind of sentinel value.
When we loop through the array to clear it at the end of this function
we only loop until `lno < cnt`, and thus we may not end up releasing
whatever the two extra `sline`s contain. While that shouldn't matter for
the sentinel value, it does matter for the extra deletion hunk sline.
Regardless of that, plug this memory leak by releasing both extra
entries, which makes the logic a bit easier to reason about.
While at it, fix the formatting of a local comment, which incidentally
also provides the necessary context for why we overallocate the `sline`
array.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do not free the key ID when signing a tag fails. Do so by using
the common exit path.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix leaking import and export marks for transport helpers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The cleanup string set by the config is leaking when it is being
overridden by an option. Fix this by tracking these via two separate
variables such that we can free the old value.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When formatting trailer lines we iterate through each of the trailers
and munge their respective token/value pairs according to the trailer
options. When formatting a trailer that has its `item->token` pointer
set we perform the munging in two local buffers. In the case where we
figure out that the value is empty and `trim_empty` is set we just skip
over the trailer item. But the buffers are local to the loop and we
don't release their contents, leading to a memory leak.
Plug this leak by lifting the buffers outside of the loop and releasing
them on function return. This fixes the memory leaks, but also optimizes
the loop as we don't have to reallocate the buffers on every single
iteration.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix leaking trailer values when replacing the value with a command or
when the token value is empty.
This leak is exposed by t7513, but plugging it does not make the whole
test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we free the worktree change data, we never free its contents. Fix
this.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We don't clear `struct upload_pack::uri_protocols`, which causes a
memory leak. Fix this.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The signature check in the formatting context is never getting released.
Fix this to plug the resulting memory leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `do_diff_cache()` we initialize a new `rev_info` and then overwrite
its `diffopt` with a user-provided set of options. This can leak memory
because `repo_init_revisions()` may end up allocating memory for the
`diffopt` itself depending on the configuration. And since that field is
overwritten we won't ever free it.
Plug the memory leak by releasing the diffopts before we overwrite them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The memory allocated by `prepare_to_use_bloom_filter()` is not released
by `release_revisions()`, causing a memory leak. Plug it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When executing with `--max-count=0` we'll return early from git-grep(1)
without performing any cleanup, which causes memory leaks. Plug these.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `grep_splice_or()` we search for the next `TRUE` node in our tree of
grep expressions and replace it with the given new expression. But we
don't free the old node, which causes a memory leak. Plug it.
This leak is exposed by t7810, but plugging it alone isn't sufficient to
make the test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "reach" test tool doesn't bother to clean up any of its allocated
resources, causing various leaks. Plug them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The list of server options populated via `OPT_STRING_LIST()` is never
cleared, causing a memory leak. Plug it.
This leak is exposed by t5702, but plugging it alone does not make the
whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In df383b5842 (t/test-lib: wire up NO_ICONV prerequisite, 2024-10-16) we
have introduced a new NO_ICONV prerequisite that makes us skip tests in
case Git is not compiled with support for iconv. This change subtly
broke t6006: while the test suite still passes, some of its tests won't
execute because they run into an error.
./t6006-rev-list-format.sh: line 92: test_expect_%e: command not found
The broken tests use `test_format ()`, and the mentioned commit simply
prepended the new prerequisite to its arguments. But that does not work,
as the function is not aware of prereqs at all and will now treat all of
its arguments incorrectly.
Fix this by making the function aware of prereqs by accepting an
optional fourth argument. Adapt the callsites accordingly.
Reported-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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