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(parent: 33c6c18) | patch
um: Prevent KASAN splats in dump_stack()
authorVincent Whitchurch <vincent.whitchurch@axis.com>
Wed, 7 Sep 2022 10:05:33 +0000 (12:05 +0200)
committerRichard Weinberger <richard@nod.at>
Mon, 19 Sep 2022 20:58:48 +0000 (22:58 +0200)
commitdd6e343f2d10deaa25ff5b356a5346db3bc64d06
treec5aa840b7df45e1e8e4bc925a58ca43ef405eeeetree | snapshot
parent33c6c1801a1087c4c3a0af7905d2289ce94031facommit | diff
um: Prevent KASAN splats in dump_stack()

Use READ_ONCE_NOCHECK() when reading the stack to prevent KASAN splats
when dump_stack() is used.

Fixes: 114d30cc092cf17312 ("UML: add support for KASAN under x86_64")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/kernel/sysrq.c diff | blob | history
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