openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

SUNRPC: Don't dereference xprt->snd_task if it's a cookie 

[ Upstream commit aed28b7a2d620cb5cd0c554cb889075c02e25e8e ]

Fixes: e26d997272 ("SUNRPC: Clean up scheduling of autoclose")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2022-01-13 12:20:36 -05:00 committed by Greg Kroah-Hartman
parent 8ea839e3a5
commit d66377ed9a
1 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
include/trace/events/sunrpc.h
View File

@ -936,7 +936,8 @@ TRACE_EVENT(rpc_socket_nospace,
{ BIT(XPRT_REMOVE), "REMOVE" }, \
{ BIT(XPRT_CONGESTED), "CONGESTED" }, \
{ BIT(XPRT_CWND_WAIT), "CWND_WAIT" }, \
{ BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" })
{ BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" }, \
{ BIT(XPRT_SND_IS_COOKIE), "SND_IS_COOKIE" })
DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
TP_PROTO(
@ -1133,8 +1134,11 @@ DECLARE_EVENT_CLASS(xprt_writelock_event,
__entry->task_id = -1;
__entry->client_id = -1;
}
__entry->snd_task_id = xprt->snd_task ?
xprt->snd_task->tk_pid : -1;
if (xprt->snd_task &&
!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
__entry->snd_task_id = xprt->snd_task->tk_pid;
else
__entry->snd_task_id = -1;
),
TP_printk("task:%u@%u snd_task:%u",
@ -1178,8 +1182,12 @@ DECLARE_EVENT_CLASS(xprt_cong_event,
__entry->task_id = -1;
__entry->client_id = -1;
}
__entry->snd_task_id = xprt->snd_task ?
xprt->snd_task->tk_pid : -1;
if (xprt->snd_task &&
!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
__entry->snd_task_id = xprt->snd_task->tk_pid;
else
__entry->snd_task_id = -1;
__entry->cong = xprt->cong;
__entry->cwnd = xprt->cwnd;
__entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);