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17aee05dc8
linux-next/net/mptcp
History
Florian Westphal 17aee05dc8 mptcp: dispose initial struct socket when its subflow is closed 
Christoph Paasch reported following crash:
dst_release underflow
WARNING: CPU: 0 PID: 1319 at net/core/dst.c:175 dst_release+0xc1/0xd0 net/core/dst.c:175
CPU: 0 PID: 1319 Comm: syz-executor217 Not tainted 5.11.0-rc6af8e85128b4d0d24083c5cac646e891227052e0c #70
Call Trace:
 rt_cache_route+0x12e/0x140 net/ipv4/route.c:1503
 rt_set_nexthop.constprop.0+0x1fc/0x590 net/ipv4/route.c:1612
 __mkroute_output net/ipv4/route.c:2484 [inline]
...

The worker leaves msk->subflow alone even when it
happened to close the subflow ssk associated with it.

Fixes: 866f26f2a9 ("mptcp: always graft subflow socket to parent")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/157
Reported-by: Christoph Paasch <cpaasch@apple.com>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-04 14:30:13 -08:00
..
crypto_test.c mptcp: move crypto test to KUNIT 2020-06-26 16:21:39 -07:00
crypto.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ctrl.c mptcp: add a new sysctl add_addr_timeout 2020-11-04 17:45:53 -08:00
diag.c mptcp: allow dumping subflow context to userspace 2020-03-29 22:14:48 -07:00
Kconfig mptcp: depends on IPV6 but not as a module 2020-10-21 08:05:40 -07:00
Makefile mptcp: enable JOIN requests even if cookies are in use 2020-07-31 16:55:32 -07:00
mib.c mptcp: add the mibs for ADD_ADDR with port 2021-02-02 18:37:20 -08:00
mib.h mptcp: add the mibs for ADD_ADDR with port 2021-02-02 18:37:20 -08:00
mptcp_diag.c mptcp: add local addr info in mptcp_info 2021-02-15 15:09:14 -08:00
options.c mptcp: fix DATA_FIN generation on early shutdown 2021-02-22 18:54:59 -08:00
pm_netlink.c mptcp: add local addr info in mptcp_info 2021-02-15 15:09:14 -08:00
pm.c mptcp: add netlink event support 2021-02-12 16:31:46 -08:00
protocol.c mptcp: dispose initial struct socket when its subflow is closed 2021-03-04 14:30:13 -08:00
protocol.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-02-16 17:51:13 -08:00
subflow.c mptcp: put subflow sock on connect error 2021-03-04 14:30:13 -08:00
syncookies.c mptcp: fix syncookie build error on UP 2020-08-01 11:52:55 -07:00
token_test.c mptcp: introduce token KUNIT self-tests 2020-06-26 16:21:39 -07:00
token.c mptcp: token: fix unititialized variable 2020-11-03 13:08:30 -08:00