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Filename Latest commit message Latest commit date
Luis Henriques 52ab9768f7 scsi: scsi_debug: Fix memory leak on module unload 
Since commit 80c49563e2 ("scsi: scsi_debug: implement IMMED bit") there
are long delays in F_SYNC_DELAY and F_SSU_DELAY.  This can cause a memory
leak in schedule_resp(), which can be invoked while unloading the
scsi_debug module: free_all_queued() had already freed all sd_dp and
schedule_resp will alloc a new one, which will never get freed.  Here's the
kmemleak report while running xfstests generic/350:

unreferenced object 0xffff88007d752b00 (size 128):
  comm "rmmod", pid 26940, jiffies 4295816945 (age 7.588s)
  hex dump (first 32 bytes):
    00 2b 75 7d 00 88 ff ff 00 00 00 00 00 00 00 00  .+u}............
    00 00 00 00 00 00 00 00 8e 31 a2 34 5f 03 00 00  .........1.4_...
  backtrace:
    [<000000002abd83d0>] 0xffffffffa000705e
    [<000000004c063fda>] scsi_dispatch_cmd+0xc7/0x1a0
    [<000000000c119a00>] scsi_request_fn+0x251/0x550
    [<000000009de0c736>] __blk_run_queue+0x3f/0x60
    [<000000001c4453c8>] blk_execute_rq_nowait+0x98/0xd0
    [<00000000d17ec79f>] blk_execute_rq+0x3a/0x50
    [<00000000a7654b6e>] scsi_execute+0x113/0x250
    [<00000000fd78f7cd>] sd_sync_cache+0x95/0x160
    [<0000000024dacb14>] sd_shutdown+0x9b/0xd0
    [<00000000e9101710>] sd_remove+0x5f/0xb0
    [<00000000c43f0d63>] device_release_driver_internal+0x13c/0x1f0
    [<00000000e8ad57b6>] bus_remove_device+0xe9/0x160
    [<00000000713a7b8a>] device_del+0x120/0x320
    [<00000000e5db670c>] __scsi_remove_device+0x115/0x150
    [<00000000eccbef30>] scsi_forget_host+0x20/0x60
    [<00000000cd5a0738>] scsi_remove_host+0x6d/0x120

Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-06-18 22:16:13 -04:00
arch Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
block for-linus-20180616 2018-06-17 05:37:55 +09:00
certs docs: Fix some broken references 2018-06-15 18:10:01 -03:00
crypto docs: Fix some broken references 2018-06-15 18:10:01 -03:00
Documentation for-linus-20180616 2018-06-17 05:37:55 +09:00
drivers scsi: scsi_debug: Fix memory leak on module unload 2018-06-18 22:16:13 -04:00
firmware
fs Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
include scsi: target: tcmu: add read length support 2018-06-18 21:02:52 -04:00
init Kbuild updates for v4.18 (2nd) 2018-06-13 08:40:34 -07:00
ipc ipc: use new return type vm_fault_t 2018-06-15 07:55:25 +09:00
kernel Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
lib docs: Fix some broken references 2018-06-15 18:10:01 -03:00
LICENSES
mm mm: fix oom_kill event handling 2018-06-15 07:55:25 +09:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
samples VFIO updates for v4.18 2018-06-12 13:11:26 -07:00
scripts scripts/documentation-file-ref-check: check tools/*/Documentation 2018-06-15 18:10:01 -03:00
security docs: Fix some broken references 2018-06-15 18:10:01 -03:00
sound docs: Fix some broken references 2018-06-15 18:10:01 -03:00
tools Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
usr
virt - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
Makefile Linux 4.18-rc1 2018-06-17 08:04:49 +09:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.