]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
net/tls: free ctx in sock destruct
authorAtul Gupta <atul.gupta@chelsio.com>
Fri, 18 Jan 2019 04:56:21 +0000 (20:56 -0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 22 Jan 2019 19:30:54 +0000 (11:30 -0800)
commit76f7164d02d4c596b396fc2e868276d1db3c5e1e
treeeb03af48adc94fef9d954569052b45c21ba815c1
parent63a6b3fee428aeb0288670fc061fa9559b5aca1b
net/tls: free ctx in sock destruct

free tls context in sock destruct. close may not be the last
call to free sock but force releasing the ctx in close
will result in GPF when ctx referred again in tcp_done

[  515.330477] general protection fault: 0000 [#1] SMP PTI
[  515.330539] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.20.0-rc7+ #10
[  515.330657] Hardware name: Supermicro X8ST3/X8ST3, BIOS 2.0b
11/07/2013
[  515.330844] RIP: 0010:tls_hw_unhash+0xbf/0xd0
[
[  515.332220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  515.332340] CR2: 00007fab32c55000 CR3: 000000009261e000 CR4:
00000000000006e0
[  515.332519] Call Trace:
[  515.332632]  <IRQ>
[  515.332793]  tcp_set_state+0x5a/0x190
[  515.332907]  ? tcp_update_metrics+0xe3/0x350
[  515.333023]  tcp_done+0x31/0xd0
[  515.333130]  tcp_rcv_state_process+0xc27/0x111a
[  515.333242]  ? __lock_is_held+0x4f/0x90
[  515.333350]  ? tcp_v4_do_rcv+0xaf/0x1e0
[  515.333456]  tcp_v4_do_rcv+0xaf/0x1e0

Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/crypto/chelsio/chtls/chtls_cm.c
net/tls/tls_main.c