https://github.com/torvalds/linux
Revision ae636ae2bbfd9279f5681dbf320d1da817e52b68 authored by SeongJae Park on 06 November 2023, 23:34:08 UTC, committed by Andrew Morton on 15 November 2023, 23:30:09 UTC
DAMON sysfs interface's before_damos_apply callback
(damon_sysfs_before_damos_apply()), which creates the DAMOS tried regions
for each DAMOS action applied region, is not handling the allocation
failure for the sysfs directory data. As a result, NULL pointer
derefeence is possible. Fix it by handling the case.
Link: https://lkml.kernel.org/r/20231106233408.51159-4-sj@kernel.org
Fixes: f1d13cacabe1 ("mm/damon/sysfs: implement DAMOS tried regions update command")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org> [6.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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History 
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Tip revision: ae636ae2bbfd9279f5681dbf320d1da817e52b68 authored by SeongJae Park on 06 November 2023, 23:34:08 UTC
mm/damon/sysfs-schemes: handle tried region directory allocation failure
mm/damon/sysfs-schemes: handle tried region directory allocation failure
Tip revision: ae636ae
| 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-- | 2.7 KB |
| Makefile | -rw-r--r-- | 565 bytes |
| ac97_bus.c | -rw-r--r-- | 2.5 KB |
| last.c | -rw-r--r-- | 628 bytes |
| sound_core.c | -rw-r--r-- | 14.2 KB |
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