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Jozsef Kadlecsik 3dfd60c750 netfilter: xt_recent: Fix attempt to update deleted entry 
[ Upstream commit b1bdde33b72366da20d10770ab7a49fe87b5e190 ]

When both --reap and --update flag are specified, there's a code
path at which the entry to be updated is reaped beforehand,
which then leads to kernel crash. Reap only entries which won't be
updated.

Fixes kernel bugzilla #207773.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=207773
Reported-by: Reindl Harald <h.reindl@thelounge.net>
Fixes: 0079c5aee348 ("netfilter: xt_recent: add an entry reaper")
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-04-12 12:52:03 +08:00
Documentation KVM: Forbid the use of tagged userspace addresses for memslots 2021-04-12 12:51:44 +08:00
LICENSES Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arch vmlinux.lds.h: Create section for protection against instrumentation 2021-04-12 12:52:03 +08:00
block bfq-iosched: Revert "bfq: Fix computation of shallow depth" 2021-04-12 12:52:02 +08:00
certs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto crypto: asym_tpm: correct zero out potential secrets 2021-04-12 12:51:10 +08:00
drivers drm/vc4: hvs: Fix buffer overflow with the dlist handling 2021-04-12 12:52:03 +08:00
fs ovl: skip getxattr of security labels 2021-04-12 12:52:02 +08:00
include vmlinux.lds.h: Create section for protection against instrumentation 2021-04-12 12:52:03 +08:00
init fgraph: Initialize tracing_graph_pause at task creation 2021-04-12 12:51:55 +08:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2021-03-16 16:27:51 +08:00
kernel bpf: Check for integer overflow when using roundup_pow_of_two() 2021-04-12 12:52:03 +08:00
lib lib/raid6: Let $(UNROLL) rules work with macOS userland 2021-04-12 12:51:24 +08:00
mm mm: thp: fix MADV_REMOVE deadlock on shmem THP 2021-04-12 12:51:57 +08:00
net netfilter: xt_recent: Fix attempt to update deleted entry 2021-04-12 12:52:03 +08:00
package generate-rpms: modify the name of the kernel tag for x86 and arm64 2021-04-07 06:53:59 +00:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2021-03-16 16:42:53 +08:00
scripts vmlinux.lds.h: Create section for protection against instrumentation 2021-04-12 12:52:03 +08:00
security cap: fix conversions on getxattr 2021-04-12 12:52:02 +08:00
sound ASoC: ak4458: correct reset polarity 2021-04-12 12:51:59 +08:00
tools objtool: Don't fail on missing symbol table 2021-04-12 12:51:51 +08:00
usr Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virt KVM: Forbid the use of tagged userspace addresses for memslots 2021-04-12 12:51:44 +08:00
.clang-format Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.cocciconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.get_maintainer.ignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitattributes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
COPYING Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
CREDITS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kbuild Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2021-03-16 16:34:24 +08:00
Makefile x86/build: Disable CET instrumentation in the kernel 2021-04-12 12:51:57 +08:00
README Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
README.md Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backport_remove_lists.txt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tools_key.pub Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00

README.md

Tencent Linux Kernel 4.0