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Filename Latest commit message Latest commit date
Israel Rukshin 209c39b3f5 nvmet-tcp: fix use-after-free when a port is removed
[ Upstream commit 2351ead99ce9164fb42555aee3f96af84c4839e9 ]

When removing a port, all its controllers are being removed, but there
are queues on the port that doesn't belong to any controller (during
connection time). This causes a use-after-free bug for any command
that dereferences req->port (like in nvmet_alloc_ctrl). Those queues
should be destroyed before freeing the port via configfs. Destroy
the remaining queues after the accept_work was cancelled guarantees
that no new queue will be created.

Signed-off-by: Israel Rukshin <israelr@nvidia.com>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-17 09:48:31 +01:00
arch ia64: don't do IA64_CMPXCHG_DEBUG without CONFIG_PRINTK 2021-11-17 09:48:29 +01:00
block block: remove inaccurate requeue check 2021-11-17 09:48:31 +01:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:47:29 +02:00
crypto crypto: shash - avoid comparing pointers to exported functions under CFI 2021-07-14 16:53:13 +02:00
Documentation xen/balloon: add late_initcall_sync() for initial ballooning done 2021-11-17 09:48:25 +01:00
drivers nvmet-tcp: fix use-after-free when a port is removed 2021-11-17 09:48:31 +01:00
fs tracefs: Have tracefs directories not set OTH permission bits by default 2021-11-17 09:48:30 +01:00
include net: sched: update default qdisc visibility after Tx queue cnt changes 2021-11-17 09:48:28 +01:00
init kbuild: add CONFIG_LD_IS_LLD 2021-06-30 08:47:44 -04:00
ipc
kernel tracing/cfi: Fix cmp_entries_* functions signature mismatch 2021-11-17 09:48:31 +01:00
lib lib/xz: Validate the value before assigning it to an enum variable 2021-11-17 09:48:31 +01:00
LICENSES
mm mm, slub: fix potential memoryleak in kmem_cache_open() 2021-10-27 09:54:28 +02:00
net net-sysfs: try not to restart the syscall if it will fail eventually 2021-11-17 09:48:30 +01:00
samples samples: bpf: Fix tracex7 error raised on the missing argument 2021-09-22 12:26:30 +02:00
scripts leaking_addresses: Always print a trailing newline 2021-11-17 09:48:31 +01:00
security smackfs: Fix use-after-free in netlbl_catmap_walk() 2021-11-17 09:48:28 +01:00
sound ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume 2021-11-17 09:48:25 +01:00
tools perf script: Check session->header.env.arch before using it 2021-11-02 19:46:15 +01:00
usr
virt KVM: do not shrink halt_poll_ns below grow_start 2021-10-09 14:39:50 +02:00
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Makefile Linux 5.4.159 2021-11-12 14:43:05 +01:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.