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Author SHA1 Message Date
Bart Van Assche
b746591148 scst/src/scst_mem: Enable userspace copying for sgv-*-*K 
This patch avoids that using the iSER target driver with usercopy harderning
enabled triggers the following:

usercopy: Kernel memory exposure attempt
detected from SLUB object 'sgv-clust-64K' (offset 200, size 48)!

kernel BUG at /build/linux-Sci2oS/linux-4.16.16/mm/usercopy.c:100!
invalid opcode: 0000 [#1] SMP PTI
CPU: 10 PID: 6283 Comm: iscsi-scstd Tainted:
P           O     4.16.0-0.bpo.2-amd64 #1 Debian 4.16.16-2~bpo9+1
Hardware name: Supermicro Super
Server/X10SRH-CF, BIOS 2.0b 04/14/2017
RIP: 0010:usercopy_abort+0x69/0x80
Call Trace:
 __check_heap_object+0xee/0x120
 __check_object_size+0xb8/0x1a0
 isert_read+0x82/0x300 [isert_scst]
 vfs_read+0x91/0x130
 SyS_read+0x52/0xc0
 do_syscall_64+0x6c/0x130
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2

Reported-by: Carsten Aulbert <carsten.aulbert@aei.mpg.de>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7428 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-19 18:04:08 +00:00
Bart Van Assche
cfe8f3cfc1 scst: Introduce a backport of kmem_cache_create_usercopy() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7427 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-19 18:00:42 +00:00
Bart Van Assche
b2be30ff2a Merge branch 'svn-trunk' 2018-07-18 18:10:51 -07:00
Bart Van Assche
3682fd10a2 scst_lib: Allow copying between userspace and scst_cmd data structures 
This patch avoids that the following call trace is reported when using the
iSER target driver with CONFIG_HARDENED_USERCOPY=y in the kernel config:

usercopy: Kernel memory exposure attempt detected from SLUB object 'scst_cmd' (offset 200, size 48)!
 ------------[ cut here ]------------
kernel BUG at /build/linux-Sci2oS/linux-4.16.16/mm/usercopy.c:100!
invalid opcode: 0000 [#1] SMP PTI
CPU: 10 PID: 6684 Comm: iscsi-scstd Tainted: P           O     4.16.0-0.bpo.2-amd64 #1 Debian 4.16.16-2~bpo9+1
Hardware name: Supermicro Super Server/X10SRH-CF, BIOS 2.0b 04/14/2017
RIP: 0010:usercopy_abort+0x69/0x80
Call Trace:
 __check_heap_object+0xee/0x120
 __check_object_size+0xb8/0x1a0
 isert_read+0x82/0x2f0 [isert_scst]
 vfs_read+0x91/0x130
 SyS_read+0x52/0xc0
 ? SyS_fcntl+0x78/0xa0
 do_syscall_64+0x6c/0x130
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2

Reported-by: Carsten Aulbert <carsten.aulbert@aei.mpg.de>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7426 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-18 21:19:54 +00:00
Bart Van Assche
2057288bef Merge branch 'svn-trunk' 2018-07-14 07:51:32 -07:00
Bart Van Assche
51ec31562d nightly build: Update kernel versions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7425 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 14:44:54 +00:00
Bart Van Assche
93d779dab6 scripts/specialize-patch: Add support for HAVE_DEV_ATTR_MAX_SEND_SGE and HAVE_RDMA_QUERY_GID 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7424 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 14:43:58 +00:00
Bart Van Assche
b5de8333c4 scst_vdisk: Avoid that gcc 7 and older warn about pragma GCC diagnostic ignored "-Wstringop-truncation" 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7423 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 14:43:20 +00:00
Bart Van Assche
d619175ec9 Merge branch 'svn-trunk' 2018-07-13 19:18:15 -07:00
Bart Van Assche
70b263cf0b scst/include/scst.h: Revert an accidental check-in 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7422 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 02:17:57 +00:00
Bart Van Assche
2ad20e893c Merge branch 'svn-trunk' 2018-07-13 18:44:00 -07:00
Bart Van Assche
f7fe8e220b scst_local: Rework the port to kernel v4.17 
Rework the port to kernel v4.17 such that building scst_local against the
latest MOFED version succeeds.

Reported-by: Sergey Gorenko <sergeygo@mellanox.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7421 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 00:44:33 +00:00
Bart Van Assche
a4b443cc78 ib_srpt: Add a configure test for dev_attr.max_send_sge 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7420 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-14 00:42:07 +00:00
Bart Van Assche
71f46a07dc Merge branch 'svn-trunk' 2018-07-13 08:53:03 -07:00
Bart Van Assche
caf0571c3f ib_srpt: Fix conftest/rdma_query_gid/rdma_query_gid.c, part 2 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7419 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-13 15:45:31 +00:00
Bart Van Assche
be19e1b90e Merge branch 'svn-trunk' 2018-07-13 07:10:18 -07:00
Bart Van Assche
26af40aa38 ib_srpt: Fix conftest/rdma_query_gid/rdma_query_gid.c 
Note: the rdma_query_gid() function will probably go upstream in kernel v4.18.

Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7418 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-13 14:08:04 +00:00
Bart Van Assche
41154afc4e Merge branch 'svn-trunk' 2018-07-11 17:35:56 -07:00
Bart Van Assche
9d49877bcb scst_targ: Port to Linux kernel v4.18 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7417 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 16:50:41 +00:00
Bart Van Assche
bd6f57f67f Update Subversion ignore lists 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7416 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 16:48:22 +00:00
Bart Van Assche
e698bf8f28 srpt/conftest/rdma_query_gid: Add 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7415 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 16:47:10 +00:00
Bart Van Assche
2398d2e236 scst_vdisk: Port to Linux kernel v4.18 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7414 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 16:45:22 +00:00
Bart Van Assche
5e4d37994f ib_srpt: Fix a compiler warning 
This patch fixes a compiler warning introduced by r7410.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7413 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 15:50:54 +00:00
Bart Van Assche
86208ac77d ib_srpt: Improve source code documentation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7412 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 15:45:39 +00:00
Bart Van Assche
a10ed48b10 ib_srpt: Split a long source code line 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7411 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-11 15:41:45 +00:00
Bart Van Assche
df00893309 Merge branch 'svn-trunk' 2018-07-09 21:15:36 -07:00
Bart Van Assche
ff6864620b ib_srpt: Fix ch->max_sge calculation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7410 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:14:38 +00:00
Bart Van Assche
b2416e0f49 scst_local: Port to kernel v4.17 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7409 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:13:57 +00:00
Bart Van Assche
6d345cde85 scst_vdisk: Suppress a gcc 8 warning about an intentional string truncation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7408 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:13:21 +00:00
Bart Van Assche
f1acec0e57 ib_srpt/Makefile: Fix OFED/MOFED detection on RHEL 7.4 
Because of a not fully root-caused reason (make bug?) the output of the
shell commands used to determine the (M)OFED RPM name was written to
stderr instead of stdout. Work around this bug by splitting the shell
commands used to determine the (M)OFED RPM names.

Reported-by: Sergey Gorenko <sergeygo@mellanox.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7407 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:12:34 +00:00
Bart Van Assche
841cc5812a nightly build, scripts/kernel-functions: Backport v4.16 gcc-8 fixes to kernel v4.15 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7406 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:10:09 +00:00
Bart Van Assche
337e23f3f3 nightly build: Update kernel versions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7405 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:09:39 +00:00
Bart Van Assche
1e1eeccc6b scst_lib: Document scst_scsi_execute() arguments 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7404 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-07-10 04:09:05 +00:00
Bart Van Assche
d898bd62d5 Merge branch 'svn-trunk' 2018-06-10 08:18:09 -07:00
Bart Van Assche
e1b418938e usr/stpgd: Fix make install failure for relative DESTDIR 
When DESTDIR is a relative path, make install fails to install
`scst_on_stpg` for not having created `$(DESTDIR)$(PREFIX)/bin/scst`.

When DESTDIR is an absolute path, make install doesn't fail to install
`scst_on_stpg` because usr/fileio has already created the directory.

usr/stpgd should explicitly create `$(DESTDIR)$(PREFIX)/bin/scst`
so that it can handle a relative DESTDIR, plus be independent of
usr/fileio installation.

--
 # cd usr
 # make install DESTDIR=./aaa
 cd fileio && make install
 make[1]: Entering directory '/tmp/scst/usr/fileio'
 install -d ./aaa/usr/local/bin/scst
 install -m 755 fileio_tgt ./aaa/usr/local/bin/scst
 make[1]: Leaving directory '/tmp/scst/usr/fileio'
 cd stpgd && make install
 make[1]: Entering directory '/tmp/scst/usr/stpgd'
 install -d ./aaa/usr/local/sbin
 install -m 700 stpgd ./aaa/usr/local/sbin
 install -m 700 scst_on_stpg ./aaa/usr/local/bin/scst/scst_on_stpg
 install: cannot create regular file './aaa/usr/local/bin/scst/scst_on_stpg': No such file or directory
 Makefile:60: recipe for target 'install' failed
 make[1]: *** [install] Error 1
 make[1]: Leaving directory '/tmp/scst/usr/stpgd'
 Makefile:32: recipe for target 'install' failed
 make: *** [install] Error 2

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@osnexus.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7403 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-06-04 16:23:45 +00:00
Bart Van Assche
057d169ff4 scst: Fix build on RHEL 6.9 2018-05-10 07:27:02 -07:00
Bart Van Assche
2d7e07b4a1 Merge branch 'svn-trunk' 2018-05-10 07:26:42 -07:00
Vladislav Bolkhovitin
8b2fc0949b Web updates 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7402 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-05-08 02:59:24 +00:00
Bart Van Assche
da546746c6 Merge branch 'svn-trunk' 2018-05-06 22:23:15 -07:00
Bart Van Assche
48121bb297 Makefile: Add a missing -q option to a grep command 2018-05-05 01:45:09 -07:00
Bart Van Assche
da39da34b5 scst: Unbreak the build on Debian systems 2018-05-05 01:42:45 -07:00
Bart Van Assche
91f9113cd9 Makefile: Add a missing -q option to a grep command 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7401 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-05-05 08:42:44 +00:00
Bart Van Assche
753b670a39 scst: Unbreak the build on Debian systems 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7400 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-05-05 08:41:51 +00:00
Bart Van Assche
189ff4dac7 scst: Port to RHEL 7.5 2018-05-03 06:27:22 -07:00
Bart Van Assche
b973e9fafe scst: Port to RHEL 7.5 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7399 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-05-03 13:26:40 +00:00
Bart Van Assche
0db9a92ba3 Merge branch 'svn-trunk' 2018-04-25 21:30:03 -07:00
Bart Van Assche
725c15d56a rpm, dpkg: Make sure that all necessary directories are created after installation 2018-04-24 10:33:05 -06:00
Bart Van Assche
4bbb8704b1 rpm, dpkg: Make sure that all necessary directories are created after installation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7398 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-04-23 17:35:44 +00:00
Bart Van Assche
8487f56149 Merge branch 'svn-trunk' 2018-04-13 20:15:44 -07:00
Vladislav Bolkhovitin
aad75ec75f Web updates 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7397 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2018-04-12 04:09:29 +00:00