Kefeng Wang ac86f547ca mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath() ... As commit 18365225f0 ("hwpoison, memcg: forcibly uncharge LRU pages"), hwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg could be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could occurs a NULL pointer dereference, let's do not record the foreign writebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to fix it. Link: https://lkml.kernel.org/r/20230129040945.180629-1-wangkefeng.wang@huawei.com Fixes: 97b27821b4 ("writeback, memcg: Implement foreign dirty flushing") Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reported-by: Ma Wupeng <mawupeng1@huawei.com> Tested-by: Miko Larsson <mikoxyzzz@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Ma Wupeng <mawupeng1@huawei.com> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Tejun Heo <tj@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2023-01-31 16:44:10 -08:00
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acpi	ACPI: Fix selecting wrong ACPI fwnode for the iGPU on some Dell laptops	2023-01-10 20:23:48 +01:00
asm-generic	arch: fix broken BuildID for arm64 and riscv	2022-12-30 17:21:51 +09:00
clocksource	…
crypto	…
drm	Merge drm/drm-fixes into drm-misc-fixes	2023-01-03 08:32:12 +01:00
dt-bindings	remoteproc updates for v6.2	2022-12-21 09:37:14 -08:00
keys	…
kunit	…
kvm	…
linux	mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()	2023-01-31 16:44:10 -08:00
math-emu	…
media	…
memory	…
misc	…
net	rxrpc: Tidy up abort generation infrastructure	2023-01-06 09:43:32 +00:00
pcmcia	…
ras	…
rdma	…
rv	…
scsi	Merge branch '6.2/scsi-queue' into 6.2/scsi-fixes	2022-12-30 16:29:34 +00:00
soc	Networking changes for 6.2.	2022-12-13 15:47:48 -08:00
sound	…
target	…
trace	rxrpc: Move client call connection to the I/O thread	2023-01-06 09:43:33 +00:00
uapi	arm64 fixes for -rc4	2023-01-13 07:11:45 -06:00
ufs	…
vdso	…
video	fbdev: omapfb: connector-analog-tv: remove support for platform data	2022-12-14 20:01:49 +01:00
xen	xen: make remove callback of xen driver void returned	2022-12-15 16:06:10 +01:00