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Author SHA1 Message Date
Zdenek Kabelac
a1cb33b633 devicemapper: in sync with libdm 2021-09-23 16:49:58 +02:00
Alasdair G Kergon
f853a1bc7a libdm: dmsetup measure support for IMA 
Add support for DM_IMA_MEASUREMENT_FLAG with
DM_TABLE_STATUS_CMD.

This feature requires DM version 4.45  (5.15+ kernels)
 2021-09-23 16:49:28 +02:00
Zdenek Kabelac
707e7d762e devicemapper: add DM_NAME_LIST_FLAG 
Match libdm part
 2021-09-23 16:49:16 +02:00
Zdenek Kabelac
566c2f1828 libdm: support DM_NAME_LIST_FLAG 
Kernel patch 8b638081bd4520f63db1defc660666ec5f65bc15
introduced support to return UUID in DM_LIST_DEVICES_CMD.

Useful when asking for UUID of each device where the list
could be now returned directly with NAME && UUID for each device.

Returning UUID is done in backward-compatible way. There's one unused
32-bit word value after the event number. This patch sets the bit
DM_NAME_LIST_FLAG_HAS_UUID if UUID is present and
DM_NAME_LIST_FLAG_DOESNT_HAVE_UUID if it isn't (if none of these bits is
set, then we have an old kernel that doesn't support returning UUIDs). The
UUID is stored after this word. The 'next' value is updated to point after
the UUID, so that old version of libdevmapper will skip the UUID without
attempting to interpret it.
 2021-09-23 16:49:14 +02:00
Zdenek Kabelac
ee15065a0f gcc: match types 2021-09-22 17:18:50 +02:00
Zdenek Kabelac
9eafd44734 gcc: use more zero length arrays 
Define last array struct member with zero size.
 2021-09-22 17:18:50 +02:00
Zdenek Kabelac
4515acf734 make: generate 2021-09-22 14:48:58 +02:00
Zdenek Kabelac
4cfa80f02f tests: raise required version for conversion 
Real conversion needs this version driver.
TODO: handle properly older versions.
 2021-09-21 21:43:02 +02:00
Zdenek Kabelac
b0d40109a6 cov: ignore leak of fd descriptor 
There is no 'fd' leak.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
e6d3587482 cov: check dev_get_size result 
Check we have obtained some device size out of dev_get_size().
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
30e27d2f8b cov: sanitize function environment 
Coverity can see that function is either used with 'dev' or 'def'.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
a13dfcbc77 cov: check for function result 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
7bd55f8c15 cov: check strchr for NULL 
Although unlikely, ensuring coverity we not use NULL.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
377e326156 cov: ensuring buffer is zeroed 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
8c44597820 gcc-fanalyzer: zallocate memory for clean buffer 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
4ef8f7cde6 gcc-fanalyzer: remove unneded zeroing 
Since we zallocate array here, we don't need to set to NULL
and clean gcc warning about strdup leakage.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
178df1c8f4 gcc-fanalyzer: helping understand answer is not null 
gcc can't easily see pointer 'answer' is only being checked once 'ret > 0'.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
462ac47003 clang: check for buffer existance 
Make obvious to analyzer we can't get NULL here.
 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
bb6fd1a15f shellcheck: warning enhancements 2021-09-21 21:03:47 +02:00
Zdenek Kabelac
5bd99d55b0 shellcheck: tests fixes 
Correcting some shell problems.
 2021-09-21 21:03:47 +02:00
David Teigland
130993bab1 lvmcache: follow pv_id/pvid naming convention 
name the variable pv_id_arg to follow the convention:
. "pvid" variable is null-terminated string
. "pv_id" variable is non-null-terminated struct
 2021-09-20 09:35:47 -05:00
Zdenek Kabelac
b1f33a4000 tests: len always initialized 2021-09-20 16:24:08 +02:00
Zdenek Kabelac
133686ebc7 gcc: avoid name colision with function pv_id() from metadata.h 2021-09-20 16:12:10 +02:00
Zdenek Kabelac
2e990d1fec gcc: avoid warns on missing braces with older version 2021-09-20 16:11:49 +02:00
Zdenek Kabelac
1a8a33ae9b tests: a bit more fancy way to initialized struct 
Older g++ is not smart enough to figure this out, so add a bit more push.
 2021-09-20 16:01:22 +02:00
Zdenek Kabelac
4c0354fe0f cleanup: better wording 
Follow-up advice of native speaker.
 2021-09-20 15:41:14 +02:00
Zdenek Kabelac
1b52451996 cov: mask some warning about leakage 
Mask false-positive leak report.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
548c69f581 cov: hide reports from optarg being NULL 
It's basically irrelavant which value we assing to optarg,
since it's set by getopt() function, but Coverity tool
is incorrectly reporting possibly dereference of NULL.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
efaab93491 cov: ignore syscall 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
055406bb39 cov: validate syscall result 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
9721f3e0ff cov: test for fixture being NULL pointer 
Explicit check for teoretical NULL pointer passed as fixture.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
3f946bfce7 cov: capture runtime exception 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
d5c82b0e73 cov: better defined constructors 
Ensure C++ initializes all struct members.
Also some deterministic buffer initialization.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
ebd150366f cov: add explicit NULL pointer check 
Make obvious to coverity strcmp() is not getting NULL pointer.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
752a9ec4b4 cov: make read buffer obviously zero ended 
Coverity doesn't get the idea from memset() here.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
6c87e98ee3 cov: check for possible NULL segtype 
Although likely impossible to ever miss ERROR segtype,
make analyzer hapier.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
bfc6fe2bac cov: ensure data is not derefenced 
Ensure all hypothetical paths cannot dereference NULL *(u->data).
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
3e7e9cc5e6 cov: handle better leak reports 
Rewrite code so the leaks are eliminated from Coverity.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
825e49a244 cov: use different variable name 
Better for Coverity to see no change for possibly opened handle.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
376e707232 cov: better handle reallocation of adapt_file 
If the option would be given more then once.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
ce907bcd26 cov: handle teoretical sysconf failure 
sysconf() may also return -1 although rather theoretically.
Default to 4K when such case would happen.
Also in function call it just once and keep as static variable.
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
f410035181 cov: check fid instance is created 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
e1840dd9e0 cov: add error path for daemon_request_extend 
Check for errors in daemon_request_extend().
 2021-09-20 14:26:09 +02:00
Zdenek Kabelac
6427803252 cov: pvck validates setup_device return value 2021-09-20 14:18:13 +02:00
Zdenek Kabelac
b6e9892bc6 tests: use single funtion to get random value 2021-09-20 14:18:13 +02:00
Zdenek Kabelac
a428856a21 tests: fix test of read buffer 
Patch 7aba7fe68b incorrectly
converted  SECTOR_SIZE * BLOCK_SIZE_SECTORS to sizeof(f->data).
 2021-09-20 14:18:13 +02:00
Zdenek Kabelac
becffe4567 gcc-fanalyzer: drop zeroing of pointers 
This explicit pointer zeroing is not needed since
we use 'zalloced' buffers.
 2021-09-20 14:18:13 +02:00
Zdenek Kabelac
909401226c gcc-fanalyzer: rewrite _fetch_string 
Slightly more optimal code, that is less confusing analyzers.
 2021-09-20 14:18:13 +02:00
Zdenek Kabelac
30b188857c gcc-fanalyzer: some explicit NULL checks for tests 
Testing code being happier with these extra checks...
 2021-09-20 14:17:46 +02:00
Zdenek Kabelac
9512638656 gcc-fanalyzer: better losetup error path 
Fix leaking memory on error path on _process_losetup_switches().
However real impact is close to zero as dm-loop target isn't really used.
 2021-09-20 13:58:57 +02:00