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0721a614ef
linux/mm/damon
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SeongJae Park 0721a614ef mm/damon/sysfs-schemes: handle schemes sysfs dir removal before commit_schemes_quota_goals 
'commit_schemes_quota_goals' command handler,
damos_sysfs_set_quota_scores() assumes the number of schemes sysfs
directory will be same to the number of schemes of the DAMON context.  The
assumption is wrong since users can remove schemes sysfs directories while
DAMON is running.  In the case, illegal memory accesses can happen.  Fix
it by checking the case.

Link: https://lkml.kernel.org/r/20240213023633.124928-1-sj@kernel.org
Fixes: d91beaa505 ("mm/damon/sysfs-schemes: implement a command for scheme quota goals only commit")
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-20 14:20:49 -08:00
..
core-test.h mm/damon/core-test: test max_nr_accesses overflow caused divide-by-zero 2023-12-20 14:48:13 -08:00
core.c mm/damon/core: check apply interval in damon_do_apply_schemes() 2024-02-20 14:20:47 -08:00
dbgfs-test.h mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
dbgfs.c mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
Kconfig mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets() 2023-10-25 16:47:15 -07:00
lru_sort.c mm/damon/lru_sort: avoid divide-by-zero in hot threshold calculation 2023-10-25 16:47:15 -07:00
Makefile mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
modules-common.c mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
modules-common.h mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
ops-common.c mm/damon/ops-common: avoid divide-by-zero during region hotness calculation 2023-10-25 16:47:15 -07:00
ops-common.h mm/damon/ops-common: atomically test and clear young on ptes and pmds 2023-06-09 16:25:55 -07:00
paddr.c mm/damon/core: use pseudo-moving sum for nr_accesses_bp 2023-10-04 10:32:30 -07:00
reclaim.c mm/damon/core: implement scheme-specific apply interval 2023-10-04 10:32:31 -07:00
sysfs-common.c mm/damon/sysfs: make kobj_type structures constant 2023-02-09 16:51:45 -08:00
sysfs-common.h mm/damon/sysfs-schemes: implement a command for scheme quota goals only commit 2023-12-12 10:57:03 -08:00
sysfs-schemes.c mm/damon/sysfs-schemes: handle schemes sysfs dir removal before commit_schemes_quota_goals 2024-02-20 14:20:49 -08:00
sysfs-test.h mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets() 2023-10-25 16:47:15 -07:00
sysfs.c mm/damon/sysfs-schemes: implement a command for scheme quota goals only commit 2023-12-12 10:57:03 -08:00
vaddr-test.h mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
vaddr.c mm/damon/vaddr: change asm-generic/mman-common.h to linux/mman.h 2023-12-29 11:58:57 -08:00