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linux/net/rds
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Jia-Ju Bai c7ba50fe23 net: rds: Fix possible null-pointer dereferences in rds_rdma_cm_event_handler_cmn() 
In rds_rdma_cm_event_handler_cmn(), there are some if statements to
check whether conn is NULL, such as on lines 65, 96 and 112.
But conn is not checked before being used on line 108:
    trans->cm_connect_complete(conn, event);
and on lines 140-143:
    rdsdebug("DISCONNECT event - dropping connection "
            "%pI6c->%pI6c\n", &conn->c_laddr,
            &conn->c_faddr);
    rds_conn_drop(conn);

Thus, possible null-pointer dereferences may occur.

To fix these bugs, conn is checked before being used.

These bugs are found by a static analysis tool STCheck written by us.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-27 13:58:12 -07:00
..
af_rds.c net/rds: Check address length before reading address family 2019-04-12 10:25:03 -07:00
bind.c net/rds: Check address length before reading address family 2019-04-12 10:25:03 -07:00
cong.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
connection.c rds: Return proper "tos" value to user-space 2019-07-09 21:45:42 -07:00
ib_cm.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-19 10:06:06 -07:00
ib_fmr.c net: rds: exchange of 8K and 1M pool 2019-04-24 12:07:08 -07:00
ib_frmr.c net/rds: Keep track of and wait for FRWR segments in use upon shutdown 2019-07-17 12:06:52 -07:00
ib_mr.h net/rds: Wait for the FRMR_IS_FREE (or FRMR_IS_STALE) transition after posting IB_WR_LOCAL_INV 2019-07-17 12:06:52 -07:00
ib_rdma.c net/rds: Fix NULL/ERR_PTR inconsistency 2019-07-17 12:06:52 -07:00
ib_recv.c net: rds: fix memory leak when unload rds_rdma 2019-06-05 17:08:14 -07:00
ib_ring.c
ib_send.c rds: fix reordering with composite message notification 2019-07-09 21:45:41 -07:00
ib_stats.c RDS: IB: add few useful cache stasts 2017-01-02 14:02:51 -08:00
ib_sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
ib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
ib.h net/rds: Keep track of and wait for FRWR segments in use upon shutdown 2019-07-17 12:06:52 -07:00
info.c mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
info.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
loop.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
loop.h rds: clean up loopback rds_connections on netns deletion 2018-06-27 10:11:03 +09:00
Makefile rds: remove trailing whitespace and blank lines 2018-07-24 14:10:42 -07:00
message.c rds: use DIV_ROUND_UP instead of ceil 2019-01-07 07:22:36 -08:00
page.c rds: remove dead code 2016-12-26 21:35:39 -05:00
rdma_transport.c net: rds: Fix possible null-pointer dereferences in rds_rdma_cm_event_handler_cmn() 2019-07-27 13:58:12 -07:00
rdma_transport.h rds: rdma: add consumer reject 2019-02-04 14:59:11 -08:00
rdma.c rds: fix reordering with composite message notification 2019-07-09 21:45:41 -07:00
rds_single_path.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rds.h rds: fix reordering with composite message notification 2019-07-09 21:45:41 -07:00
recv.c rds: add type of service(tos) infrastructure 2019-02-04 14:59:12 -08:00
send.c rds: fix reordering with composite message notification 2019-07-09 21:45:41 -07:00
stats.c net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
sysctl.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00
tcp_connect.c rds: Enable RDS IPv6 support 2018-07-23 21:17:44 -07:00
tcp_listen.c rds: add type of service(tos) infrastructure 2019-02-04 14:59:12 -08:00
tcp_recv.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
tcp_send.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
tcp_stats.c
tcp.c net: rds: fix spelling mistake "syctl" -> "sysctl" 2019-05-05 10:19:43 -07:00
tcp.h rds: Enable RDS IPv6 support 2018-07-23 21:17:44 -07:00
threads.c rds: make v3.1 as compat version 2019-02-04 14:59:11 -08:00
transport.c rds: remove trailing whitespace and blank lines 2018-07-24 14:10:42 -07:00