On Fri, Oct 19, 2018 at 06:57:26PM +0200, Loic wrote:
Hello,
Please picked up this patch for linux 4.4 and 4.9.
Compiled/tested without problem.
[ Upstream commit 9039f3ef446e9ffa200200c934f049add9e58426 ]
From: Jia-Ju Bai <baijiaju1990@xxxxxxx>
Date: Tue, 3 Oct 2017 10:25:22 +0800
Subject: [PATCH] crypto: shash - Fix a sleep-in-atomic bug in
shash_setkey_unaligned
The SCTP program may sleep under a spinlock, and the function call path is:
sctp_generate_t3_rtx_event (acquire the spinlock)
sctp_do_sm
sctp_side_effects
sctp_cmd_interpreter
sctp_make_init_ack
sctp_pack_cookie
crypto_shash_setkey
shash_setkey_unaligned
kmalloc(GFP_KERNEL)
For the same reason, the orinoco driver may sleep in interrupt handler,
and the function call path is:
orinoco_rx_isr_tasklet
orinoco_rx
orinoco_mic
crypto_shash_setkey
shash_setkey_unaligned
kmalloc(GFP_KERNEL)
To fix it, GFP_KERNEL is replaced with GFP_ATOMIC.
This bug is found by my static analysis tool and my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Queued for 4.4 and 4.9, thank you.
--
Thanks,
Sasha
