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Gavrilov Ilia cfea1c9ad4 l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function
[ Upstream commit 955e9876ba ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 3557baabf2 ("[L2TP]: PPP over L2TP driver core")
Reviewed-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:20:42 -04:00
arch s390/cache: prevent rebuild of shared_cpu_list 2024-03-26 18:20:40 -04:00
block block: sed-opal: handle empty atoms when parsing response 2024-03-26 18:20:26 -04:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: api - Disallow identical driver names 2024-01-31 16:16:58 -08:00
Documentation x86/rfds: Mitigate Register File Data Sampling (RFDS) 2024-03-15 10:48:21 -04:00
drivers OPP: debugfs: Fix warning around icc_get_name() 2024-03-26 18:20:42 -04:00
fs pstore: inode: Only d_invalidate() is needed 2024-03-26 18:20:38 -04:00
include Bluetooth: hci_core: Fix missing instances using HCI_MAX_AD_LENGTH 2024-03-26 18:20:42 -04:00
init update workarounds for gcc "asm goto" issue 2024-02-23 09:12:28 +01:00
io_uring io_uring/net: fix overflow check in io_recvmsg_mshot_prep() 2024-03-26 18:20:29 -04:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel bpf: Fix stackmap overflow check on 32-bit arches 2024-03-26 18:20:41 -04:00
lib net: blackhole_dev: fix build warning for ethh set but not used 2024-03-26 18:20:33 -04:00
LICENSES
mm readahead: avoid multiple marked readahead pages 2024-03-15 10:48:19 -04:00
net l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function 2024-03-26 18:20:42 -04:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:12:28 +01:00
scripts gen_compile_commands: fix invalid escape sequence warning 2024-03-26 18:20:25 -04:00
security landlock: Fix asymmetric private inodes referring 2024-03-06 14:45:10 +00:00
sound ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll 2024-03-26 18:20:27 -04:00
tools selftests: forwarding: Add missing multicast routing config entries 2024-03-26 18:20:34 -04:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:42:46 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS trace: Relocate event helper files 2024-03-06 14:45:17 +00:00
Makefile Linux 6.1.82 2024-03-15 14:27:50 -04:00
README

Linux kernel
============

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In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
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the problems which may result by upgrading your kernel.