Ignat Korchagin 7b9f986e0e Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() ...

[ Upstream commit 7c4f78cdb8e7501e9f92d291a7d956591bf73be9 ]

bt_sock_alloc() allocates the sk object and attaches it to the provided
sock object. On error l2cap_sock_alloc() frees the sk object, but the
dangling pointer is still attached to the sock object, which may create
use-after-free in other code.

Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241014153808.51894-3-ignat@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>

2025-02-07 03:34:23 +01:00

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amp.h

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hci_core.c

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hci_debugfs.c

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hci_debugfs.h

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hci_event.c

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hci_request.c

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hci_request.h

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hci_sock.c

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hci_sysfs.c

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Kconfig

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l2cap_core.c

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2024-08-19 05:32:10 +02:00

l2cap_sock.c

Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()

2025-02-07 03:34:23 +01:00

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leds.h

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lib.c

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selftest.c

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smp.h

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