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(parent: f334bb5) | patch
s390/crash: fix incorrect number of bytes to copy to user space
authorAlexander Gordeev <agordeev@linux.ibm.com>
Fri, 15 Jul 2022 10:59:33 +0000 (12:59 +0200)
committerAlexander Gordeev <agordeev@linux.ibm.com>
Wed, 20 Jul 2022 15:21:41 +0000 (17:21 +0200)
commit675228ddf44cd157e84657fdf0a10ed226ca7d24
treec879fc3814c2090141e81bfc8499211df02479b0tree | snapshot
parentf334bb59f0c4c9db293b81f6b4cef339a3e9e042commit | diff
s390/crash: fix incorrect number of bytes to copy to user space

The number of bytes in a chunk is correctly calculated, but instead
the total number of bytes is passed to copy_to_user_real() function.

Reported-by: Matthew Wilcox <willy@infradead.org>
Fixes: 056ae38a45b2 ("s390/dump: streamline oldmem copy functions")
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
arch/s390/kernel/crash_dump.c diff | blob | history
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