• Atul Gupta's avatar
    net/tls: free ctx in sock destruct · 76f7164d
    Atul Gupta authored
    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: default avatarAtul Gupta <atul.gupta@chelsio.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    76f7164d
tls_main.c 18.3 KB