arm64: perf: fix event validation for software group leaders
authorWill Deacon <will.deacon@arm.com>
Tue, 20 Aug 2013 10:47:40 +0000 (11:47 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 20 Aug 2013 11:05:57 +0000 (12:05 +0100)
commitee7538a008a45050c8f706d38b600f55953169f9
tree920114d21f6bf019a56cf1e63763378db0f73111
parent868f6fea8fa63f09acbfa93256d0d2abdcabff79
arm64: perf: fix event validation for software group leaders

This is a port of c95eb3184ea1 ("ARM: 7809/1: perf: fix event validation
for software group leaders") to arm64, which fixes a panic in the arm64
perf backend found as a result of Vince's fuzzing tool.

Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/perf_event.c