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* Add missing *_destroy/*_fini callsGvozden Neskovic2017-05-043-4/+38
| | | | | | | | | The proposed debugging enhancements in zfsonlinux/spl#587 identified the following missing *_destroy/*_fini calls. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Gvozden Neskovic <[email protected]> Closes #5428
* [icp] fpu and asm cleanup for linuxGvozden Neskovic2017-03-0710-307/+135
| | | | | | | | | | | | | | Properly annotate functions and data section so that objtool does not complain when CONFIG_STACK_VALIDATION and CONFIG_FRAME_POINTER are enabled. Pass KERNELCPPFLAGS to assembler. Use kfpu_begin()/kfpu_end() to protect SIMD regions in Linux kernel. Reviewed-by: Tom Caputi <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Gvozden Neskovic <[email protected]> Closes #5872 Closes #5041
* codebase style improvements for OpenZFS 6459 portGeorge Melikov2017-01-227-29/+32
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* Fix spellingka72017-01-035-5/+5
| | | | | | | | | Reviewed-by: Brian Behlendorf <[email protected] Reviewed-by: Giuseppe Di Natale <[email protected]>> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Haakan T Johansson <[email protected]> Closes #5547 Closes #5543
* Use cstyle -cpP in `make cstyle` checkBrian Behlendorf2016-12-126-28/+24
| | | | | | | | | | | | | | | | | | | | | | | Enable picky cstyle checks and resolve the new warnings. The vast majority of the changes needed were to handle minor issues with whitespace formatting. This patch contains no functional changes. Non-whitespace changes are as follows: * 8 times ; to { } in for/while loop * fix missing ; in cmd/zed/agents/zfs_diagnosis.c * comment (confim -> confirm) * change endline , to ; in cmd/zpool/zpool_main.c * a number of /* BEGIN CSTYLED */ /* END CSTYLED */ blocks * /* CSTYLED */ markers * change == 0 to ! * ulong to unsigned long in module/zfs/dsl_scan.c * rearrangement of module_param lines in module/zfs/metaslab.c * add { } block around statement after for_each_online_node Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Håkan Johansson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #5465
* Add TASKQID_INVALIDBrian Behlendorf2016-11-021-2/+2
| | | | | | | | | | | | Add the TASKQID_INVALID macros and update callers to use the macro instead of testing against 0. There is no functional change even though the functions in zfs_ctldir.c incorrectly used -1 instead of 0. Reviewed-by: Tom Caputi <[email protected]> Reviewed-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #5347
* icp: mark asm files with noexec stackJason Zaman2016-10-251-0/+4
| | | | | | | | Similar to commit a3600a106. Asm files need an explicit note that they do not require an executable stack. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Jason Zaman <[email protected]> Closes #5332
* Fix coverity defects: CID 150919, 150923luozhengzheng2016-10-202-2/+2
| | | | | | | | | CID 150919: Buffer not null terminated (BUFFER_SIZE_WARNING) CID 150923: Buffer not null terminated (BUFFER_SIZE_WARNING) Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Tom Caputi <[email protected]> Signed-off-by: luozhengzheng <[email protected]> Closes #5298
* Fix coverity defects: CID 150943, 150938cao2016-10-131-2/+4
| | | | | | | | | CID:150943, Type:Unintentional integer overflow CID:150938, Type:Explicit null dereferenced Reviewed-by: Tom Caputi <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: cao.xuewen <[email protected]> Closes #5255
* Fix ICP memleak introduced in #4760Tom Caputi2016-10-121-0/+13
| | | | | | | | | | | | | The ICP requires destructors to for each crypto module that is added. These do not necessarily exist in Illumos because they assume that these modules can never be unloaded from the kernel. Some of this cleanup code was missed when #4760 was merged, resulting in leaks. This patch simply fixes that. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Issue #4760 Closes #5265
* Porting over some ICP code that was missed in #4760Tom Caputi2016-10-101-16/+118
| | | | | | | | | | | | | When #4760 was merged tests were added to ensure that the new checksums were working properly. However, some of the functionality for sha2 functions were not ported over, resulting in some Coverity defects and code that would be unstable when needed in the future. This patch simply ports over the missing code and fixes the defects in the process. Reviewed by: Brian Behlendorf <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Issue #4760 Closes #5251
* Fix file permissionsBrian Behlendorf2016-10-081-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following new test cases need to have execute permissions set: userquota/groupspace_003_pos.ksh userquota/userquota_013_pos.ksh userquota/userspace_003_pos.ksh upgrade/upgrade_userobj_001_pos.ksh upgrade/setup.ksh upgrade/cleanup.ksh The following source files accidentally were marked executable: lib/libzpool/kernel.c lib/libshare/nfs.c lib/libzfs/libzfs_dataset.c lib/libzfs/libzfs_util.c tests/zfs-tests/cmd/rm_lnkcnt_zero_file/rm_lnkcnt_zero_file.c tests/zfs-tests/cmd/dir_rd_update/dir_rd_update.c cmd/zed/zed_exec.c module/icp/core/kcf_sched.c module/zfs/dsl_pool.c module/zfs/arc.c module/nvpair/nvpair.c man/man5/zfs-module-parameters.5 Reviewed-by: GeLiXin <[email protected]> Reviewed-by: Andreas Dilger <[email protected]> Reviewed-by: Jinshan Xiong <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #5241
* Fix coverity defects: CID 150953, 147603, 147610luozhengzheng2016-10-041-1/+1
| | | | | | | | | coverity scan CID:150953,type: uninitialized scalar variable coverity scan CID:147603,type: Resource leak coverity scan CID:147610,type: Resource leak Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: luozhengzheng <[email protected]> Closes #5209
* OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-RTony Hutter2016-10-0319-128/+6644
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reviewed by: George Wilson <[email protected]> Reviewed by: Prakash Surya <[email protected]> Reviewed by: Saso Kiselkov <[email protected]> Reviewed by: Richard Lowe <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported by: Tony Hutter <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/4185 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/45818ee Porting Notes: This code is ported on top of the Illumos Crypto Framework code: https://github.com/zfsonlinux/zfs/pull/4329/commits/b5e030c8dbb9cd393d313571dee4756fbba8c22d The list of porting changes includes: - Copied module/icp/include/sha2/sha2.h directly from illumos - Removed from module/icp/algs/sha2/sha2.c: #pragma inline(SHA256Init, SHA384Init, SHA512Init) - Added 'ctx' to lib/libzfs/libzfs_sendrecv.c:zio_checksum_SHA256() since it now takes in an extra parameter. - Added CTASSERT() to assert.h from for module/zfs/edonr_zfs.c - Added skein & edonr to libicp/Makefile.am - Added sha512.S. It was generated from sha512-x86_64.pl in Illumos. - Updated ztest.c with new fletcher_4_*() args; used NULL for new CTX argument. - In icp/algs/edonr/edonr_byteorder.h, Removed the #if defined(__linux) section to not #include the non-existant endian.h. - In skein_test.c, renane NULL to 0 in "no test vector" array entries to get around a compiler warning. - Fixup test files: - Rename <sys/varargs.h> -> <varargs.h>, <strings.h> -> <string.h>, - Remove <note.h> and define NOTE() as NOP. - Define u_longlong_t - Rename "#!/usr/bin/ksh" -> "#!/bin/ksh -p" - Rename NULL to 0 in "no test vector" array entries to get around a compiler warning. - Remove "for isa in $($ISAINFO); do" stuff - Add/update Makefiles - Add some userspace headers like stdio.h/stdlib.h in places of sys/types.h. - EXPORT_SYMBOL *_Init/*_Update/*_Final... routines in ICP modules. - Update scripts/zfs2zol-patch.sed - include <sys/sha2.h> in sha2_impl.h - Add sha2.h to include/sys/Makefile.am - Add skein and edonr dirs to icp Makefile - Add new checksums to zpool_get.cfg - Move checksum switch block from zfs_secpolicy_setprop() to zfs_check_settable() - Fix -Wuninitialized error in edonr_byteorder.h on PPC - Fix stack frame size errors on ARM32 - Don't unroll loops in Skein on 32-bit to save stack space - Add memory barriers in sha2.c on 32-bit to save stack space - Add filetest_001_pos.ksh checksum sanity test - Add option to write psudorandom data in file_write utility
* Fix NULL deref in kcf_remove_mech_providercandychencan2016-09-301-1/+3
| | | | | | | | | | In the default case the function must return to avoid dereferencing 'prov_mech' which will be NULL. Reviewed-by: Tom Caputi <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: candychencan <[email protected]> Closes #5134
* Fix Coverity defectsluozhengzheng2016-09-171-1/+1
| | | | | | | CID 147659, 150952 and 147645 Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: luozhengzheng <[email protected]> Closes #5103
* Fix: Build warnings with different gcc optimization levels in debug modeGeLiXin2016-08-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | This fix resolves warnings reported during compiling with different gcc optimization levels in debug mode, Test tools: gcc version 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) Linux version: 2.6.32-573.18.1.el6.x86_64, Red Hat Enterprise Linux Server release 6.1 (Santiago) List of warnings: CFLAGS=-O1 ./configure --enable-debug ;make ../../module/icp/core/kcf_sched.c: In function ‘kcf_aop_done’: ../../module/icp/core/kcf_sched.c:499: error: ‘fg’ may be used uninitialized in this function ../../module/icp/core/kcf_sched.c:499: note: ‘fg’ was declared here CFLAGS=-Os ./configure --enable-debug ; make libzfs_dataset.c: In function ‘zfs_prop_set_list’: libzfs_dataset.c:1575: error: ‘nvl_len’ may be used uninitialized in this function Signed-off-by: GeLiXin <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #5022
* icp: mark asm files with noexec stackJason Zaman2016-08-125-0/+20
| | | | | | | | | | | | | | If there is no explicit note in the .S files, the obj file will mark it as requiring an executable stack. This is unneeded and causes issues on hardened systems. More info: https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart Signed-off-by: Jason Zaman <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4947 Closes #4962
* icp: add no_const for PaX CompatJason Zaman2016-08-121-16/+21
| | | | | | | | | | | | | | | | | | | | The constify plugin will automatically constify a class of types that contain only function pointers. The icp structs fail to build if this is enabled with the following error. The no_const attribute makes the plugin skip those structs. module/icp/spi/kcf_spi.c: In function ‘copy_ops_vector_v1’: module/icp/spi/kcf_spi.c:61:16: error: assignment of read-only location ‘*dst_ops->cou.cou_v1.co_control_ops’ *((dst)->ops) = *((src)->ops); ^ module/icp/spi/kcf_spi.c:74:2: note: in expansion of macro ‘KCF_SPI_COPY_OPS’ KCF_SPI_COPY_OPS(src_ops, dst_ops, co_control_ops); ^ Signed-off-by: Jason Zaman <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4947 Closes #4962
* Unify license of icp module with the rest of zfsNikolay Borisov2016-07-291-1/+1
| | | | | | | | | | | | | | | | The newly added icp module uses a hardcoded value of CDDL for the license, however in local development one might want to change that to something else in order to facilitate compiling against lock debugging enabled kernel. All modules of the zfs use the ZFS_META_LICNSE string which is replaced with the value held in the META file. One can modify the value in the META file once and then rerun the configure to have all modules' licenses changed. Change the icp module license string to be ZFS_META_LICENSE so that it falls under the same paradigm. Signed-off-by: Nikolay Borisov <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4905
* Fixes for issues found with cppcheck toolGvozden Neskovic2016-07-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | The patch fixes small number of errors/false positives reported by `cppcheck`, static analysis tool for C/C++. cppcheck 1.72 $ cppcheck . --force --quiet [cmd/zfs/zfs_main.c:4444]: (error) Possible null pointer dereference: who_perm [cmd/zfs/zfs_main.c:4445]: (error) Possible null pointer dereference: who_perm [cmd/zfs/zfs_main.c:4446]: (error) Possible null pointer dereference: who_perm [cmd/zpool/zpool_iter.c:317]: (error) Uninitialized variable: nvroot [cmd/zpool/zpool_vdev.c:1526]: (error) Memory leak: child [lib/libefi/rdwr_efi.c:1118]: (error) Memory leak: efi_label [lib/libuutil/uu_misc.c:207]: (error) va_list 'args' was opened but not closed by va_end(). [lib/libzfs/libzfs_import.c:1554]: (error) Dangerous usage of 'diskname' (strncpy doesn't always null-terminate it). [lib/libzfs/libzfs_sendrecv.c:3279]: (error) Dereferencing 'cp' after it is deallocated / released [tests/zfs-tests/cmd/file_write/file_write.c:154]: (error) Possible null pointer dereference: operation [tests/zfs-tests/cmd/randfree_file/randfree_file.c:90]: (error) Memory leak: buf [cmd/zinject/zinject.c:1068]: (error) Uninitialized variable: dataset [module/icp/io/sha2_mod.c:698]: (error) Uninitialized variable: blocks_per_int64 Signed-off-by: Gvozden Neskovic <[email protected]> Signed-off-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1392
* Fix for compilation error when using the kernel's CONFIG_LOCKDEPTom Caputi2016-07-211-9/+2
| | | | | | | Signed-off-by: Tom Caputi <[email protected]> Signed-off-by: Chris Dunlop <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #4329
* Illumos Crypto Port module added to enable native encryption in zfsTom Caputi2016-07-2066-0/+34499
A port of the Illumos Crypto Framework to a Linux kernel module (found in module/icp). This is needed to do the actual encryption work. We cannot use the Linux kernel's built in crypto api because it is only exported to GPL-licensed modules. Having the ICP also means the crypto code can run on any of the other kernels under OpenZFS. I ended up porting over most of the internals of the framework, which means that porting over other API calls (if we need them) should be fairly easy. Specifically, I have ported over the API functions related to encryption, digests, macs, and crypto templates. The ICP is able to use assembly-accelerated encryption on amd64 machines and AES-NI instructions on Intel chips that support it. There are place-holder directories for similar assembly optimizations for other architectures (although they have not been written). Signed-off-by: Tom Caputi <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #4329
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