https://github.com/torvalds/linux
Revision 7ac6ab1f8a38ba7f8d97f95475bb6a2575db4658 authored by Guillaume Nault on 13 June 2018, 13:09:19 UTC, committed by David S. Miller on 15 June 2018, 00:10:19 UTC
l2tp_session_priv() returns a struct pppol2tp_session pointer only for
PPPoL2TP sessions. In particular, if the session is an L2TP_PWTYPE_ETH
pseudo-wire, l2tp_session_priv() returns a pointer to an l2tp_eth_sess
structure, which is much smaller than struct pppol2tp_session. This
leads to invalid memory dereference when trying to lock ps->sk_lock.
Fixes: d9e31d17ceba ("l2tp: Add L2TP ethernet pseudowire support")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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History 
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Tip revision: 7ac6ab1f8a38ba7f8d97f95475bb6a2575db4658 authored by Guillaume Nault on 13 June 2018, 13:09:19 UTC
l2tp: only accept PPP sessions in pppol2tp_connect()
l2tp: only accept PPP sessions in pppol2tp_connect()
Tip revision: 7ac6ab1
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 12.8 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
| .gitignore | -rw-r--r-- | 1.5 KB |
| .mailmap | -rw-r--r-- | 9.3 KB |
| COPYING | -rw-r--r-- | 423 bytes |
| CREDITS | -rw-r--r-- | 96.3 KB |
| Kbuild | -rw-r--r-- | 2.2 KB |
| Kconfig | -rw-r--r-- | 321 bytes |
| MAINTAINERS | -rw-r--r-- | 447.9 KB |
| Makefile | -rw-r--r-- | 61.1 KB |
| README | -rw-r--r-- | 800 bytes |
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