https://github.com/torvalds/linux
Revision 67823a544414def2a36c212abadb55b23bcda00c authored by Miaohe Lin on 18 October 2021, 22:16:02 UTC, committed by Linus Torvalds on 19 October 2021, 06:22:03 UTC
When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s
because s will be freed soon. And slab_debugfs_fops will use s later
leading to a use-after-free.
Link: https://lkml.kernel.org/r/20210916123920.48704-5-linmiaohe@huawei.com
Fixes: 64dd68497be7 ("mm: slub: move sysfs slab alloc/free interfaces to debugfs")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Bharata B Rao <bharata@linux.ibm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Faiyaz Mohammed <faiyazm@codeaurora.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 9037c57
Tip revision: 67823a544414def2a36c212abadb55b23bcda00c authored by Miaohe Lin on 18 October 2021, 22:16:02 UTC
mm, slub: fix potential use-after-free in slab_debugfs_fops
mm, slub: fix potential use-after-free in slab_debugfs_fops
Tip revision: 67823a5
| File | Mode | Size |
|---|---|---|
| ac97 | ||
| aoa | ||
| arm | ||
| atmel | ||
| core | ||
| drivers | ||
| firewire | ||
| hda | ||
| i2c | ||
| isa | ||
| mips | ||
| oss | ||
| parisc | ||
| pci | ||
| pcmcia | ||
| ppc | ||
| sh | ||
| soc | ||
| sparc | ||
| spi | ||
| synth | ||
| usb | ||
| virtio | ||
| x86 | ||
| xen | ||
| Kconfig | -rw-r--r-- | 2.8 KB |
| Makefile | -rw-r--r-- | 565 bytes |
| ac97_bus.c | -rw-r--r-- | 2.9 KB |
| last.c | -rw-r--r-- | 628 bytes |
| sound_core.c | -rw-r--r-- | 14.3 KB |
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