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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-04-23 15:52:10 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-04-28 15:35:11 +0200 |
| commit | 5256426247837feb8703625bda7fcfc824af04cf (patch) | |
| tree | 24edfc37632a66281d30f9c427a6c89bb9c9f94a /Documentation | |
| parent | powerpc: Avoid clang uninitialized warning in __get_user_size_allowed (diff) | |
| download | linux-5256426247837feb8703625bda7fcfc824af04cf.tar.xz linux-5256426247837feb8703625bda7fcfc824af04cf.zip | |
powerpc/signal32: Fix erroneous SIGSEGV on RT signal return
Return of user_read_access_begin() is tested the wrong way,
leading to a SIGSEGV when the user address is valid and likely
an Oops when the user address is bad.
Fix the test.
Fixes: 887f3ceb51cd ("powerpc/signal32: Convert do_setcontext[_tm]() to user access block")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/a29aadc54c93bcbf069a83615fa102ca0f59c3ae.1619185912.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions