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authorPeter Zijlstra2019-07-18 10:47:47 +0200
committerThomas Gleixner2019-07-18 16:47:24 +0200
commitcac9b9a4b08304f11daace03b8b48659355e44c1 (patch)
treecee56fc360060307af45a702ba4120ed90f66f11 /sound/firewire
parent8e144797f1a67c52e386161863da4614a23ad913 (diff)
stacktrace: Force USER_DS for stack_trace_save_user()
When walking userspace stacks, USER_DS needs to be set, otherwise access_ok() will not function as expected. Reported-by: Vegard Nossum <vegard.nossum@oracle.com> Reported-by: Eiichi Tsukata <devel@etsukata.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Vegard Nossum <vegard.nossum@oracle.com> Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org> Link: https://lkml.kernel.org/r/20190718085754.GM3402@hirez.programming.kicks-ass.net
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