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[ 1.0000030] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/x86/x86/intr.c:739:28, member access within misaligned address 0xffffffff83801d1d for type 'struct intrstub' which requires 8 byte alignment [ 1.0000030] cpu0: Begin traceback... [ 1.0000030] vpanic() at netbsd:vpanic+0x2af sys/kern/subr_prf.c:290 [ 1.0000030] isAlreadyReported() at netbsd:isAlreadyReported [ 1.0000030] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc [ 1.0000030] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:417 [ 1.0000030] intr_establish_xcall() at netbsd:intr_establish_xcall+0x5a6 sys/arch/x86/x86/intr.c:739 [ 1.0000030] intr_establish_xname() at netbsd:intr_establish_xname+0x849 sys/arch/x86/x86/intr.c:912 [ 1.0000030] acpi_md_intr_establish() at netbsd:acpi_md_intr_establish+0x509 sys/arch/x86/acpi/acpi_machdep.c:343 [ 1.0000030] acpi_md_OsInstallInterruptHandler() at netbsd:acpi_md_OsInstallInterruptHandler+0x44 sys/arch/x86/acpi/acpi_machdep.c:215 [ 1.0000030] AcpiOsInstallInterruptHandler_xname.part.0() at netbsd:AcpiOsInstallInterruptHandler_xname.part.0+0xb2 [ 1.0000030] AcpiOsInstallInterruptHandler() at netbsd:AcpiOsInstallInterruptHandler+0x48 AcpiOsInstallInterruptHandler_xname sys/dev/acpi/acpica/OsdInterrupt.c:102 [inline] [ 1.0000030] AcpiOsInstallInterruptHandler() at netbsd:AcpiOsInstallInterruptHandler+0x48 sys/dev/acpi/acpica/OsdInterrupt.c:89 [ 1.0000030] AcpiEvInstallXruptHandlers() at netbsd:AcpiEvInstallXruptHandlers+0x31 sys/external/bsd/acpica/dist/events/evevent.c:149 [ 1.0000030] AcpiEnableSubsystem() at netbsd:AcpiEnableSubsystem+0xf5 sys/external/bsd/acpica/dist/utilities/utxfinit.c:238 [ 1.0000030] acpi_attach() at netbsd:acpi_attach+0x344 sys/dev/acpi/acpi.c:481 [ 1.0000030] config_attach_loc() at netbsd:config_attach_loc+0x42b sys/kern/subr_autoconf.c:1629 [ 1.0000030] config_found_sm_loc() at netbsd:config_found_sm_loc+0x62 sys/kern/subr_autoconf.c:1123 [ 1.0000030] amd64_mainbus_attach() at netbsd:amd64_mainbus_attach+0x214 sys/arch/amd64/amd64/amd64_mainbus.c:182 [ 1.0000030] mainbus_attach() at netbsd:mainbus_attach+0xc5 sys/arch/x86/x86/mainbus.c:244 [ 1.0000030] config_attach_loc() at netbsd:config_attach_loc+0x42b sys/kern/subr_autoconf.c:1629 [ 1.0000030] config_rootfound() at netbsd:config_rootfound+0x44 config_attach sys/kern/subr_autoconf.c:1644 [inline] [ 1.0000030] config_rootfound() at netbsd:config_rootfound+0x44 sys/kern/subr_autoconf.c:1165 [ 1.0000030] cpu_configure() at netbsd:cpu_configure+0x33 sys/arch/amd64/amd64/autoconf.c:105 [ 1.0000030] main() at netbsd:main+0x39d sys/kern/init_main.c:532 [ 1.0000030] cpu0: End traceback... [ 1.0000030] fatal breakpoint trap in supervisor mode [ 1.0000030] trap type 1 code 0 rip 0xffffffff802219fd cs 0x8 rflags 0x2 cr2 0 ilevel 0x8 rsp 0xffffffff8626a2c0 [ 1.0000030] curlwp 0xffffffff85aea840 pid 0.0 lowest kstack 0xffffffff862662c0 Stopped in pid 0.0 (system) at netbsd:breakpoint+0x5: leave db{0}>