Re: [PATCH v2] arm64: acpi: fix UBSAN warning

2020-06-10 Thread Will Deacon
On Mon, 8 Jun 2020 13:38:17 -0700, Nick Desaulniers wrote: > Will reported a UBSAN warning: > > UBSAN: null-ptr-deref in arch/arm64/kernel/smp.c:596:6 > member access within null pointer of type 'struct acpi_madt_generic_interrupt' > CPU: 0 PID: 0 Comm: swapper Not tainted 5.7.0-rc6-00124-g96bc42f

Re: [PATCH v2] arm64: acpi: fix UBSAN warning

2020-06-09 Thread Jeremy Linton
Hi, On 6/8/20 3:38 PM, Nick Desaulniers wrote: Will reported a UBSAN warning: UBSAN: null-ptr-deref in arch/arm64/kernel/smp.c:596:6 member access within null pointer of type 'struct acpi_madt_generic_interrupt' CPU: 0 PID: 0 Comm: swapper Not tainted 5.7.0-rc6-00124-g96bc42ff0a82 #1 Call trace

Re: [PATCH v2] arm64: acpi: fix UBSAN warning

2020-06-09 Thread Lorenzo Pieralisi
On Mon, Jun 08, 2020 at 01:38:17PM -0700, Nick Desaulniers wrote: > Will reported a UBSAN warning: > > UBSAN: null-ptr-deref in arch/arm64/kernel/smp.c:596:6 > member access within null pointer of type 'struct acpi_madt_generic_interrupt' > CPU: 0 PID: 0 Comm: swapper Not tainted 5.7.0-rc6-00124-g

[PATCH v2] arm64: acpi: fix UBSAN warning

2020-06-08 Thread Nick Desaulniers
Will reported a UBSAN warning: UBSAN: null-ptr-deref in arch/arm64/kernel/smp.c:596:6 member access within null pointer of type 'struct acpi_madt_generic_interrupt' CPU: 0 PID: 0 Comm: swapper Not tainted 5.7.0-rc6-00124-g96bc42ff0a82 #1 Call trace: dump_backtrace+0x0/0x384 show_stack+0x28/0x38