tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
"Fix unwind_frame() in the context of pseudo NMI"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: fix wrong check of on_sdei_stack in nmi context

Linus Torvalds 2f9e10ac 970b766c

+6
+6
arch/arm64/kernel/sdei.c
··· 94 94 unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr); 95 95 unsigned long high = low + SDEI_STACK_SIZE; 96 96 97 + if (!low) 98 + return false; 99 + 97 100 if (sp < low || sp >= high) 98 101 return false; 99 102 ··· 113 110 { 114 111 unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr); 115 112 unsigned long high = low + SDEI_STACK_SIZE; 113 + 114 + if (!low) 115 + return false; 116 116 117 117 if (sp < low || sp >= high) 118 118 return false;