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Bharadwaj Raju 03208bd06a bcachefs: don't return fsck_fix for unfixable node errors in __btree_err 
After cd3cdb1ef7 ("Single err message for btree node reads"),
all errors caused __btree_err to return -BCH_ERR_fsck_fix no matter what
the actual error type was if the recovery pass was scanning for btree
nodes. This lead to the code continuing despite things like bad node
formats when they earlier would have caused a jump to fsck_err, because
btree_err only jumps when the return from __btree_err does not match
fsck_fix. Ultimately this lead to undefined behavior by attempting to
unpack a key based on an invalid format.

Make only errors of type -BCH_ERR_btree_node_read_err_fixable cause
__btree_err to return -BCH_ERR_fsck_fix when scanning for btree nodes.

Reported-by: syzbot+cfd994b9cdf00446fd54@syzkaller.appspotmail.com
Fixes: cd3cdb1ef7 ("bcachefs: Single err message for btree node reads")
Signed-off-by: Bharadwaj Raju <bharadwaj.raju777@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
History 2025-06-16 19:03:52 -04:00
arch Power management updates for 6.16-rc2 2025-06-13 13:27:41 -07:00
block block-6.16-20250614 2025-06-14 09:25:22 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: hkdf - move to late_initcall 2025-06-11 10:59:45 +08:00
Documentation three smb3 client fixes 2025-06-14 10:13:32 -07:00
drivers IOMMU Fix for Linux v6.16-rc1: 2025-06-14 10:01:47 -07:00
fs bcachefs: don't return fsck_fix for unfixable node errors in __btree_err 2025-06-16 19:03:52 -04:00
include block-6.16-20250614 2025-06-14 09:25:22 -07:00
init init: fix build warnings about export.h 2025-06-11 22:42:36 -07:00
io_uring io_uring-6.16-20250614 2025-06-14 08:44:54 -07:00
ipc - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
kernel posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() 2025-06-13 10:55:49 -07:00
lib scatterlist: fix extraneous '@'-sign kernel-doc notation 2025-06-11 22:42:35 -07:00
LICENSES LICENSES: add CC0-1.0 license text 2025-05-21 14:54:17 +02:00
mm 9 hotfixes. 3 are cc:stable and the remainder address post-6.15 issues 2025-06-14 08:18:09 -07:00
net Including fixes from bluetooth and wireless. 2025-06-12 09:50:36 -07:00
rust Rust fixes for v6.16 2025-06-14 08:38:34 -07:00
samples - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
scripts gendwarfksyms: Fix structure type overrides 2025-06-16 00:49:48 +09:00
security KEYS: Invert FINAL_PUT bit 2025-06-11 11:57:14 -07:00
sound treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
tools 9 hotfixes. 3 are cc:stable and the remainder address post-6.15 issues 2025-06-14 08:18:09 -07:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge branch 'kvm-lockdep-common' into HEAD 2025-05-28 06:29:17 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore .gitignore: ignore Python compiled bytecode 2025-04-24 10:12:46 -06:00
.mailmap Including fixes from bluetooth and wireless. 2025-06-12 09:50:36 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS Update Christoph's Email address and make it consistent 2025-05-12 23:50:31 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS 9 hotfixes. 3 are cc:stable and the remainder address post-6.15 issues 2025-06-14 08:18:09 -07:00
Makefile Linux 6.16-rc2 2025-06-15 13:49:41 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.