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Harsh Jain a777336362 crypto: authencesn - Avoid twice completion call in decrypt path
Authencesn template in decrypt path unconditionally calls aead_request_complete
after ahash_verify which leads to following kernel panic in after decryption.

[  338.539800] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
[  338.548372] PGD 0 P4D 0
[  338.551157] Oops: 0000 [#1] SMP PTI
[  338.554919] CPU: 0 PID: 0 Comm: swapper/0 Kdump: loaded Tainted: G        W I       4.19.7+ #13
[  338.564431] Hardware name: Supermicro X8ST3/X8ST3, BIOS 2.0        07/29/10
[  338.572212] RIP: 0010:esp_input_done2+0x350/0x410 [esp4]
[  338.578030] Code: ff 0f b6 68 10 48 8b 83 c8 00 00 00 e9 8e fe ff ff 8b 04 25 04 00 00 00 83 e8 01 48 98 48 8b 3c c5 10 00 00 00 e9 f7 fd ff ff <8b> 04 25 04 00 00 00 83 e8 01 48 98 4c 8b 24 c5 10 00 00 00 e9 3b
[  338.598547] RSP: 0018:ffff911c97803c00 EFLAGS: 00010246
[  338.604268] RAX: 0000000000000002 RBX: ffff911c4469ee00 RCX: 0000000000000000
[  338.612090] RDX: 0000000000000000 RSI: 0000000000000130 RDI: ffff911b87c20400
[  338.619874] RBP: 0000000000000000 R08: ffff911b87c20498 R09: 000000000000000a
[  338.627610] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000000
[  338.635402] R13: ffff911c89590000 R14: ffff911c91730000 R15: 0000000000000000
[  338.643234] FS:  0000000000000000(0000) GS:ffff911c97800000(0000) knlGS:0000000000000000
[  338.652047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  338.658299] CR2: 0000000000000004 CR3: 00000001ec20a000 CR4: 00000000000006f0
[  338.666382] Call Trace:
[  338.669051]  <IRQ>
[  338.671254]  esp_input_done+0x12/0x20 [esp4]
[  338.675922]  chcr_handle_resp+0x3b5/0x790 [chcr]
[  338.680949]  cpl_fw6_pld_handler+0x37/0x60 [chcr]
[  338.686080]  chcr_uld_rx_handler+0x22/0x50 [chcr]
[  338.691233]  uldrx_handler+0x8c/0xc0 [cxgb4]
[  338.695923]  process_responses+0x2f0/0x5d0 [cxgb4]
[  338.701177]  ? bitmap_find_next_zero_area_off+0x3a/0x90
[  338.706882]  ? matrix_alloc_area.constprop.7+0x60/0x90
[  338.712517]  ? apic_update_irq_cfg+0x82/0xf0
[  338.717177]  napi_rx_handler+0x14/0xe0 [cxgb4]
[  338.722015]  net_rx_action+0x2aa/0x3e0
[  338.726136]  __do_softirq+0xcb/0x280
[  338.730054]  irq_exit+0xde/0xf0
[  338.733504]  do_IRQ+0x54/0xd0
[  338.736745]  common_interrupt+0xf/0xf

Fixes: 104880a6b4 ("crypto: authencesn - Convert to new AEAD...")
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-01-10 21:37:31 +08:00
Documentation Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
arch Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
block for-4.21/block-20190102 2019-01-02 18:49:58 -08:00
certs kbuild: remove redundant target cleaning on failure 2019-01-06 09:46:51 +09:00
crypto crypto: authencesn - Avoid twice completion call in decrypt path 2019-01-10 21:37:31 +08:00
drivers crypto: caam - fix SHA support detection 2019-01-10 21:37:31 +08:00
firmware kbuild: change filechk to surround the given command with { } 2019-01-06 09:46:51 +09:00
fs Add Adiantum support for fscrypt 2019-01-06 12:21:11 -08:00
include Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
init jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
lib Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
mm Change mincore() to count "mapped" pages rather than "cached" pages 2019-01-06 13:43:02 -08:00
net jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
samples Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-01-05 17:53:40 -08:00
scripts kconfig: rename generated .*conf-cfg to *conf-cfg 2019-01-06 10:47:09 +09:00
security Merge branch 'mount.part1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-01-05 13:25:58 -08:00
sound Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
tools Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
usr user/Makefile: Fix typo and capitalization in comment section 2018-12-11 00:18:03 +09:00
virt Merge branch 'akpm' (patches from Andrew) 2019-01-05 09:16:18 -08:00
.clang-format page cache: Convert find_get_pages_contig to XArray 2018-10-21 10:46:34 -04:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: Add support for DT binding schema checks 2018-12-13 09:41:32 -06:00
.mailmap A few early MIPS fixes for 4.21: 2019-01-05 12:48:25 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS Add CREDITS entry for Shaohua Li 2019-01-04 14:27:09 -07:00
Kbuild kbuild: use assignment instead of define ... endef for filechk_* rules 2019-01-06 10:22:35 +09:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS chrome platform changes for v4.21 2019-01-06 11:40:06 -08:00
Makefile Linux 5.0-rc1 2019-01-06 17:08:20 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.