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Dongliang Mu 99c09b298e f2fs: remove WARN_ON in f2fs_is_valid_blkaddr 
[ Upstream commit dc2f78e2d4 ]

Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,
if type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,
it invokes WARN_ON if blkaddr is not in the right range.
The call trace is as follows:

 f2fs_get_node_info+0x45f/0x1070
 read_node_page+0x577/0x1190
 __get_node_page.part.0+0x9e/0x10e0
 __get_node_page
 f2fs_get_node_page+0x109/0x180
 do_read_inode
 f2fs_iget+0x2a5/0x58b0
 f2fs_fill_super+0x3b39/0x7ca0

Fix these two WARNs by replacing WARN_ON with dump_stack.

Reported-by: syzbot+763ae12a2ede1d99d4dc@syzkaller.appspotmail.com
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 18:36:14 +02:00
arch mips: cpc: Fix refcount leak in mips_cpc_default_phys_base 2022-06-14 18:36:14 +02:00
block block: make bioset_exit() fully resilient against being called twice 2022-06-14 18:36:11 +02:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto crypto: cryptd - Protect per-CPU resource by disabling BH. 2022-06-09 10:23:11 +02:00
Documentation regulator: mt6315-regulator: fix invalid allowed mode 2022-06-14 18:36:13 +02:00
drivers iommu/arm-smmu-v3: check return value after calling platform_get_resource() 2022-06-14 18:36:14 +02:00
fs f2fs: remove WARN_ON in f2fs_is_valid_blkaddr 2022-06-14 18:36:14 +02:00
include net: sched: add barrier to fix packet stuck problem for lockless qdisc 2022-06-14 18:36:12 +02:00
init Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug 2022-06-09 10:23:26 +02:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2022-06-09 10:23:10 +02:00
kernel tracing: Avoid adding tracer option before update_tracer_options 2022-06-14 18:36:14 +02:00
lib bootconfig: Make the bootconfig.o as a normal object file 2022-06-14 18:36:14 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm/memremap: fix missing call to untrack_pfn() in pagemap_range() 2022-06-09 10:23:28 +02:00
net tipc: check attribute length for bearer name 2022-06-14 18:36:13 +02:00
samples samples/landlock: Format with clang-format 2022-06-09 10:23:23 +02:00
scripts modpost: fix removing numeric suffixes 2022-06-14 18:36:10 +02:00
security ima: remove the IMA_TEMPLATE Kconfig option 2022-06-09 10:23:25 +02:00
sound ASoC: fsl_sai: Fix FSL_SAI_xDR/xFR definition 2022-06-14 18:36:09 +02:00
tools perf c2c: Fix sorting in percent_rmt_hitm_cmp() 2022-06-14 18:36:13 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: avoid NULL pointer dereference in kvm_dirty_ring_push 2022-04-13 20:59:26 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: add git tree for random.c 2022-05-30 09:28:59 +02:00
Makefile Linux 5.15.46 2022-06-09 10:23:32 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.