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parisc architecture fix for kernel v6.15-rc5:
Fix a double SIGFPE crash. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCaBeJrgAKCRD3ErUQojoP X5TOAQCs6UatNvHQFczDDRTmyKzR4iO9WFEGW+BrxaSXAGFKDAEAjA/ex3H1jeEv Qm3b427GFeRkbUelf3trbH/nkllw1A8= =UnPZ -----END PGP SIGNATURE----- Merge tag 'parisc-for-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc fix from Helge Deller: "Fix a double SIGFPE crash" * tag 'parisc-for-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix double SIGFPE crash
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commit
593bde4ca9
@ -97,7 +97,17 @@ handle_fpe(struct pt_regs *regs)
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memcpy(regs->fr, frcopy, sizeof regs->fr);
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if (signalcode != 0) {
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force_sig_fault(signalcode >> 24, signalcode & 0xffffff,
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int sig = signalcode >> 24;
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if (sig == SIGFPE) {
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/*
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* Clear floating point trap bit to avoid trapping
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* again on the first floating-point instruction in
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* the userspace signal handler.
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*/
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regs->fr[0] &= ~(1ULL << 38);
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}
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force_sig_fault(sig, signalcode & 0xffffff,
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(void __user *) regs->iaoq[0]);
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return -1;
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}
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