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From: David Howells <dhowells@redhat.com>
To: netdev@vger.kernel.org
Cc: David Howells <dhowells@redhat.com>,
	Marc Dionne <marc.dionne@auristor.com>,
	Jakub Kicinski <kuba@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
	linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH net 0/5] rxrpc: Miscellaneous fixes
Date: Tue,  9 Jun 2026 15:09:04 +0100	[thread overview]
Message-ID: <20260609140911.838677-1-dhowells@redhat.com> (raw)

Here are some miscellaneous AF_RXRPC fixes:

 (1) Make sure rxrpc_verify_data() allocates a buffer, even if the DATA packet
     being looked at is zero length to avoid potential NULL-pointer
     exceptions.

 (2) Don't move an OOB message (e.g. an RxGK CHALLENGE) off the receive queue
     onto the pending queue in recvmsg() if MSG_PEEK is specified.

 (3) Fix a potential UAF in rxgk_issue_challenge() in which a tracepoint
     refers to memory just freed by a different pointer.

 (4) Fix afs net namespace teardown to cancel the incoming call preallocation
     charger before we disable listening (which will delete the preallocation
     queue).

 (5) Fix rxrpc_kernel_charge_accept() to use the socket mutex to defend
     against listen(0)/shutdown simultaneously deleting the preallocation queue.

David

The patches can be found here also:

	http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/log/?h=rxrpc-fixes

David Howells (2):
  rxrpc: Fix UAF in rxgk_issue_challenge()
  afs: Fix netns teardown to cancel the preallocation charger

Hyunwoo Kim (1):
  rxrpc: Don't move a peeked OOB message onto the pending queue

Jeffrey Altman (1):
  rxrpc: rxrpc_verify_data ensure rx_dec_buffer alloc

Li Daming (1):
  rxrpc: serialize kernel accept preallocation with socket teardown

 fs/afs/rxrpc.c          |  6 ++++--
 net/rxrpc/call_accept.c | 25 +++++++++++++++++++------
 net/rxrpc/recvmsg.c     | 13 +++++++------
 net/rxrpc/rxgk.c        |  3 ++-
 4 files changed, 32 insertions(+), 15 deletions(-)


             reply	other threads:[~2026-06-09 14:09 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-09 14:09 David Howells [this message]
2026-06-09 14:09 ` [PATCH net 1/5] rxrpc: rxrpc_verify_data ensure rx_dec_buffer alloc David Howells
2026-06-09 14:09 ` [PATCH net 2/5] rxrpc: Don't move a peeked OOB message onto the pending queue David Howells
2026-06-09 14:09 ` [PATCH net 3/5] rxrpc: Fix UAF in rxgk_issue_challenge() David Howells
2026-06-09 14:09 ` [PATCH net 4/5] afs: Fix netns teardown to cancel the preallocation charger David Howells
2026-06-09 14:09 ` [PATCH net 5/5] rxrpc: serialize kernel accept preallocation with socket teardown David Howells
  -- strict thread matches above, loose matches on Subject: below --
2026-03-19 15:01 [PATCH net 0/5] rxrpc: Miscellaneous fixes David Howells
2025-07-16 11:52 David Howells
2024-05-03 15:07 David Howells
2024-05-08  2:44 ` Jakub Kicinski
2024-05-08  7:57   ` Jeffrey Altman
2024-05-08 13:54     ` Jakub Kicinski
2024-05-08 14:00   ` David Howells
2024-05-08 15:07     ` Jakub Kicinski
2024-05-08 15:10 ` patchwork-bot+netdevbpf
2022-05-21  8:02 David Howells
2022-05-22 20:32 ` David Miller
2022-05-22 20:40 ` patchwork-bot+netdevbpf

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