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df9d4a1780
linux/drivers/crypto
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Atul Gupta df9d4a1780 net/tls: sleeping function from invalid context 
HW unhash within mutex for registered tls devices cause sleep
when called from tcp_set_state for TCP_CLOSE. Release lock and
re-acquire after function call with ref count incr/dec.
defined kref and fp release for tls_device to ensure device
is not released outside lock.

BUG: sleeping function called from invalid context at
kernel/locking/mutex.c:748
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/7
INFO: lockdep is turned off.
CPU: 7 PID: 0 Comm: swapper/7 Tainted: G        W  O
Call Trace:
 <IRQ>
 dump_stack+0x5e/0x8b
 ___might_sleep+0x222/0x260
 __mutex_lock+0x5c/0xa50
 ? vprintk_emit+0x1f3/0x440
 ? kmem_cache_free+0x22d/0x2a0
 ? tls_hw_unhash+0x2f/0x80
 ? printk+0x52/0x6e
 ? tls_hw_unhash+0x2f/0x80
 tls_hw_unhash+0x2f/0x80
 tcp_set_state+0x5f/0x180
 tcp_done+0x2e/0xe0
 tcp_rcv_state_process+0x92c/0xdd3
 ? lock_acquire+0xf5/0x1f0
 ? tcp_v4_rcv+0xa7c/0xbe0
 ? tcp_v4_do_rcv+0x70/0x1e0

Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-14 13:39:39 -08:00
..
amcc crypto: skcipher - remove useless setting of type flags 2018-07-09 00:30:27 +08:00
axis crypto: axis - fix platform_no_drv_owner.cocci warnings 2018-10-12 14:20:44 +08:00
bcm crypto: aead - remove useless setting of type flags 2018-07-09 00:30:26 +08:00
caam crypto: caam - add SPDX license identifier to all files 2018-10-17 14:16:18 +08:00
cavium crypto: cavium/nitrox - use pci_alloc_irq_vectors() while enabling MSI-X. 2018-10-05 10:22:48 +08:00
ccp crypto: ccp - Make function sev_get_firmware() static 2018-10-05 10:16:56 +08:00
ccree crypto: ccree - avoid implicit enum conversion 2018-10-17 14:16:18 +08:00
chelsio net/tls: sleeping function from invalid context 2018-12-14 13:39:39 -08:00
hisilicon crypto: hisilicon - Fix reference after free of memories on error path 2018-11-09 17:35:43 +08:00
inside-secure treewide: Replace more open-coded allocation size multiplications 2018-10-05 18:06:30 -07:00
marvell crypto: remove redundant type flags from tfm allocation 2018-07-09 00:30:29 +08:00
mediatek headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
nx powerpc updates for 4.19 2018-08-17 11:32:50 -07:00
qat Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-10-25 16:43:35 -07:00
qce crypto: qce - Remove VLA usage of skcipher 2018-09-28 12:46:08 +08:00
rockchip
stm32 Char/Misc driver patches for 4.19-rc1 2018-08-18 11:04:51 -07:00
sunxi-ss crypto: skcipher - remove useless setting of type flags 2018-07-09 00:30:27 +08:00
ux500 Char/Misc driver patches for 4.19-rc1 2018-08-18 11:04:51 -07:00
virtio Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-08-15 16:01:47 -07:00
vmx crypto: vmx - Remove VLA usage of skcipher 2018-09-28 12:46:08 +08:00
atmel-aes-regs.h
atmel-aes.c crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
atmel-authenc.h crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
atmel-ecc.c crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
atmel-ecc.h crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
atmel-sha-regs.h
atmel-sha.c crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
atmel-tdes-regs.h
atmel-tdes.c crypto: atmel - switch to SPDX license identifiers 2018-09-04 11:37:04 +08:00
exynos-rng.c crypto: drivers - simplify getting .drvdata 2018-04-28 16:09:35 +08:00
geode-aes.c
geode-aes.h
hifn_795x.c
img-hash.c
ixp4xx_crypto.c crypto: ixp4xx - don't leak pointers to authenc keys 2018-03-31 01:33:12 +08:00
Kconfig s390/zcrypt: multiple zcrypt device nodes support 2018-10-08 09:09:58 +02:00
Makefile crypto: caam/qi2 - add DPAA2-CAAM driver 2018-09-21 13:24:51 +08:00
mxc-scc.c
mxs-dcp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-10-17 14:14:06 +08:00
n2_asm.S
n2_core.c crypto: ahash - remove useless setting of type flags 2018-07-09 00:30:25 +08:00
n2_core.h
omap-aes-gcm.c
omap-aes.c crypto: omap-aes - Remove VLA usage of skcipher 2018-09-28 12:46:09 +08:00
omap-aes.h crypto: omap-aes - Remove VLA usage of skcipher 2018-09-28 12:46:09 +08:00
omap-crypto.c crypto: omap-crypto - Verify page zone scatterlists before starting DMA 2018-03-09 22:45:36 +08:00
omap-crypto.h
omap-des.c crypto: omap - convert to new crypto engine API 2018-02-15 23:26:51 +08:00
omap-sham.c crypto: ahash - remove useless setting of type flags 2018-07-09 00:30:25 +08:00
padlock-aes.c crypto: padlock-aes - Fix Nano workaround data corruption 2018-07-20 13:47:42 +08:00
padlock-sha.c crypto: shash - remove useless setting of type flags 2018-07-09 00:30:24 +08:00
picoxcell_crypto_regs.h
picoxcell_crypto.c crypto: picoxcell - Remove VLA usage of skcipher 2018-09-28 12:46:09 +08:00
qcom-rng.c crypto: qcom-rng - Add ACPI support 2018-07-27 19:04:32 +08:00
s5p-sss.c crypto: s5p-sss: Add aes-ctr support 2018-09-28 12:46:06 +08:00
sahara.c crypto: sahara - Remove VLA usage of skcipher 2018-09-28 12:46:08 +08:00
talitos.c crypto: ahash - remove useless setting of cra_type 2018-07-09 00:30:26 +08:00
talitos.h