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linux-stable/net/bridge
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Horatiu Vultur 617504c67e bridge: mrp: Fix out-of-bounds read in br_mrp_parse 
The issue was reported by syzbot. When the function br_mrp_parse was
called with a valid net_bridge_port, the net_bridge was an invalid
pointer. Therefore the check br->stp_enabled could pass/fail
depending where it was pointing in memory.
The fix consists of setting the net_bridge pointer if the port is a
valid pointer.

Reported-by: syzbot+9c6f0f1f8e32223df9a4@syzkaller.appspotmail.com
Fixes: 6536993371 ("bridge: mrp: Integrate MRP into the bridge")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-25 18:09:26 -07:00
..
netfilter netfilter: Replace zero-length array with flexible-array member 2020-03-15 15:20:16 +01:00
br.c treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
br_arp_nd_proxy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_device.c bridge: mrp: Integrate MRP into the bridge 2020-04-27 11:40:25 -07:00
br_fdb.c net: bridge: fdb: eliminate extra port state tests from fast-path 2019-11-04 11:15:27 -08:00
br_forward.c net: bridge: check port state before br_allowed_egress 2020-01-24 12:58:14 +01:00
br_if.c net: bridge: allow enslaving some DSA master network devices 2020-05-10 19:52:33 -07:00
br_input.c net: bridge: allow enslaving some DSA master network devices 2020-05-10 19:52:33 -07:00
br_ioctl.c net: bridge: Add checks for enabling the STP. 2020-04-27 11:40:25 -07:00
br_mdb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
br_mrp.c bridge: mrp: Restore port state when deleting MRP instance 2020-05-22 16:17:15 -07:00
br_mrp_netlink.c bridge: mrp: Fix out-of-bounds read in br_mrp_parse 2020-05-25 18:09:26 -07:00
br_mrp_switchdev.c bridge: switchdev: mrp: Implement MRP API for switchdev 2020-04-27 11:40:25 -07:00
br_multicast.c net: bridge: mdb: allow add/delete for host-joined groups 2019-08-17 12:36:57 -07:00
br_netfilter_hooks.c sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
br_netfilter_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-06-25 01:32:59 +02:00
br_netlink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 22:10:13 -07:00
br_netlink_tunnel.c net: bridge: vlan options: add support for tunnel mapping set/del 2020-03-17 22:47:12 -07:00
br_nf_core.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
br_private.h net: bridge: allow enslaving some DSA master network devices 2020-05-10 19:52:33 -07:00
br_private_mrp.h bridge: mrp: Add MRP interface. 2020-04-27 11:40:25 -07:00
br_private_stp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_private_tunnel.h net: bridge: vlan options: add support for tunnel mapping set/del 2020-03-17 22:47:12 -07:00
br_stp.c net: bridge: Add checks for enabling the STP. 2020-04-27 11:40:25 -07:00
br_stp_bpdu.c net: bridge: add STP xstats 2019-12-14 20:02:36 -08:00
br_stp_if.c net: remove newlines in NL_SET_ERR_MSG_MOD 2020-05-07 17:56:14 -07:00
br_stp_timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_switchdev.c net: bridge: fdb: convert offloaded to use bitops 2019-10-29 18:12:49 -07:00
br_sysfs_br.c net: bridge: Add checks for enabling the STP. 2020-04-27 11:40:25 -07:00
br_sysfs_if.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_vlan.c net: bridge: vlan options: nest the tunnel id into a tunnel info attribute 2020-03-20 08:52:20 -07:00
br_vlan_options.c net: bridge: vlan options: move the tunnel command to the nested attribute 2020-03-20 08:52:20 -07:00
br_vlan_tunnel.c net: bridge: vlan tunnel: constify bridge and port arguments 2020-03-17 22:47:12 -07:00
Kconfig bridge: mrp: Update Kconfig 2020-04-27 11:40:25 -07:00
Makefile bridge: mrp: Connect MRP API with the switchdev API 2020-04-27 11:40:25 -07:00