Chesnokov Gleb 50d607a336 isert-scst: Enable copying to user space from isert_cmnd_cache ...

This patch fixes warning with call trace that occurs during
copy_to_user() from isert_read():

usercopy: Kernel memory exposure attempt detected from SLUB object 'sgv-clust-64K' (offset 200, size 48)!
------------[ cut here ]------------
kernel BUG at mm/usercopy.c:99!
...
RIP: 0010:usercopy_abort+0x7b/0x7d
Call Trace:
 __check_heap_object+0xdf/0x110
 __check_object_size.part.0+0x128/0x150
 __check_object_size+0x1c/0x20
 isert_read+0x10b/0x380 [isert_scst]
 ? security_file_permission+0x96/0x160
 vfs_read+0x9f/0x190
 ksys_read+0x67/0xe0
 __x64_sys_read+0x19/0x20
 do_syscall_64+0x61/0xb0
 ? __x64_sys_sendto+0x24/0x30
 ? do_syscall_64+0x6e/0xb0
 ? exit_to_user_mode_prepare+0x37/0xb0
 ? syscall_exit_to_user_mode+0x27/0x50
 ? do_syscall_64+0x6e/0xb0
 ? asm_exc_page_fault+0x8/0x30
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Signed-off-by: Morozov Ilia <morozov.i@raidix.com>

2021-12-16 00:43:44 +03:00

..

isert-scst

isert-scst: Enable copying to user space from isert_cmnd_cache

2021-12-16 00:43:44 +03:00

config.c

iscsi-scst: Remove unnecessary %s format modifiers

2020-05-12 14:57:00 +00:00

conn.c

iscsi-scst: Remove an obsolete comment

2020-09-19 17:01:31 +00:00

digest.c

iscsi-scst: Fix a kernel-doc header

2021-04-14 20:29:52 +00:00

digest.h

Copyrights updated

2018-04-12 03:49:10 +00:00

event.c

iscsi-scst: Add network namespace support

2020-06-06 16:27:41 +00:00

iscsi_dbg.h

Copyrights updated

2018-04-12 03:49:10 +00:00

iscsi_hdr.h

Copyrights updated

2018-04-12 03:49:10 +00:00

iscsi_trace_flag.h

Makefiles: Rework build mode switching

2019-05-05 18:19:38 +00:00

iscsi.c

scst, iscsi-scst: Use struct kvec instead of struct iovec for kernel data

2020-11-27 03:45:16 +00:00

iscsi.h

scst, iscsi-scst: Use struct kvec instead of struct iovec for kernel data

2020-11-27 03:45:16 +00:00

iscsit_transport.c

Cleanup

2015-08-25 02:56:08 +00:00

Kbuild

iscsi-scst: Make this kernel module again independent of (M)OFED

2020-07-26 23:52:40 +00:00

Kconfig

Expand Kconfig help texts

2018-10-14 21:59:08 +00:00

Makefile.in-kernel

iscsi-scst/kernel/Makefile.in-kernel: Sort file names alphabetically

2015-10-28 21:11:06 +00:00

nthread.c

scst, iscsi-scst: Use struct kvec instead of struct iovec for kernel data

2020-11-27 03:45:16 +00:00

param.c

iscsi-scst: Remove unnecessary %s format modifiers

2020-05-12 14:57:00 +00:00

session.c

iscsi-scst: Fix multiple checkpatch warnings

2019-03-11 03:57:09 +00:00

target.c

iscsi-scst: Add a hint what to look for if no userspace process is connected

2020-05-13 20:48:12 +00:00