Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-12-29 09:16:33 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

libceph: init the cursor when preparing sparse read in msgr2

Browse Source 
The cursor is no longer initialized in the OSD client, causing the
sparse read state machine to fall into an infinite loop.  The cursor
should be initialized in IN_S_PREPARE_SPARSE_DATA state.

[ idryomov: use msg instead of con->in_msg, changelog ]

Link: https://tracker.ceph.com/issues/64607
Fixes: 8e46a2d068 ("libceph: just wait for more data to be available on the socket")
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Luis Henriques <lhenriques@suse.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Xiubo Li 2024-03-06 09:05:44 +08:00 committed by Ilya Dryomov
parent 90d35da658
commit 321e3c3de5
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ceph/messenger_v2.c
View File

@ -2034,6 +2034,9 @@ static int prepare_sparse_read_data(struct ceph_connection *con)
if (!con_secure(con)) if (!con_secure(con))
con->in_data_crc = -1; con->in_data_crc = -1;
ceph_msg_data_cursor_init(&con->v2.in_cursor, msg,
msg->sparse_read_total);
reset_in_kvecs(con); reset_in_kvecs(con);
con->v2.in_state = IN_S_PREPARE_SPARSE_DATA_CONT; con->v2.in_state = IN_S_PREPARE_SPARSE_DATA_CONT;
con->v2.data_len_remain = data_len(msg); con->v2.data_len_remain = data_len(msg);