Linux kernel bug fix: powerpc/64/tm: Don't let userspace set regs->trap via sigreturn
Subsystem: arch/powerpc (arch/powerpc/kernel/signal_64.c)
Bug type: crash, severity: security
Files changed: arch/powerpc/kernel/signal_64.c
Introduced by Michael Neuling on 2013-02-15 17:02:23 +1100; fixed by Michael Ellerman on 2020-04-01 13:42:00 +1100 (lifetime: 2601 days)