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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-11-12 02:18:42 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-11-12 02:18:42 +0100 |
commit | d7c2b1f64e44c98206752a1599b0203ae5e92f27 (patch) | |
tree | b731a42777507fd3dbd9e5341c13685db40bc58c /Documentation | |
parent | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm6... (diff) | |
parent | docs: kmsan: fix formatting of "Example report" (diff) | |
download | linux-d7c2b1f64e44c98206752a1599b0203ae5e92f27.tar.xz linux-d7c2b1f64e44c98206752a1599b0203ae5e92f27.zip |
Merge tag 'mm-hotfixes-stable-2022-11-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes.
Eight are cc:stable and the remainder address issues which were
introduced post-6.0 or which aren't considered serious enough to
justify a -stable backport"
* tag 'mm-hotfixes-stable-2022-11-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
docs: kmsan: fix formatting of "Example report"
mm/damon/dbgfs: check if rm_contexts input is for a real context
maple_tree: don't set a new maximum on the node when not reusing nodes
maple_tree: fix depth tracking in maple_state
arch/x86/mm/hugetlbpage.c: pud_huge() returns 0 when using 2-level paging
fs: fix leaked psi pressure state
nilfs2: fix use-after-free bug of ns_writer on remount
x86/traps: avoid KMSAN bugs originating from handle_bug()
kmsan: make sure PREEMPT_RT is off
Kconfig.debug: ensure early check for KMSAN in CONFIG_KMSAN_WARN
x86/uaccess: instrument copy_from_user_nmi()
kmsan: core: kmsan_in_runtime() should return true in NMI context
mm: hugetlb_vmemmap: include missing linux/moduleparam.h
mm/shmem: use page_mapping() to detect page cache for uffd continue
mm/memremap.c: map FS_DAX device memory as decrypted
Partly revert "mm/thp: carry over dirty bit when thp splits on pmd"
nilfs2: fix deadlock in nilfs_count_free_blocks()
mm/mmap: fix memory leak in mmap_region()
hugetlbfs: don't delete error page from pagecache
maple_tree: reorganize testing to restore module testing
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/dev-tools/kmsan.rst | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kmsan.rst b/Documentation/dev-tools/kmsan.rst index 2a53a801198c..55fa82212eb2 100644 --- a/Documentation/dev-tools/kmsan.rst +++ b/Documentation/dev-tools/kmsan.rst @@ -67,6 +67,7 @@ uninitialized in the local variable, as well as the stack where the value was copied to another memory location before use. A use of uninitialized value ``v`` is reported by KMSAN in the following cases: + - in a condition, e.g. ``if (v) { ... }``; - in an indexing or pointer dereferencing, e.g. ``array[v]`` or ``*v``; - when it is copied to userspace or hardware, e.g. ``copy_to_user(..., &v, ...)``; |