syzbot

[   1.0000030] panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/external/bsd/acpica/dist/namespace/nsaccess.c:146:19, load of misaligned address 0xffffffff840825e2 for type 'UINT32' which requires 4 byte alignment

[   1.0000030] cpu0: Begin traceback...
[   1.0000030] vpanic() at netbsd:vpanic+0x2d0 sys/kern/subr_prf.c:290
[   1.0000030] isAlreadyReported() at netbsd:isAlreadyReported
[   1.0000030] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0xfc sys/../common/lib/libc/misc/ubsan.c:432
[   1.0000030] AcpiNsRootInitialize() at netbsd:AcpiNsRootInitialize+0x6fb sys/external/bsd/acpica/dist/namespace/nsaccess.c:146
[   1.0000030] AcpiInitializeSubsystem() at netbsd:AcpiInitializeSubsystem+0x77 sys/external/bsd/acpica/dist/utilities/utxfinit.c:119
[   1.0000030] acpi_probe() at netbsd:acpi_probe+0x44 sys/dev/acpi/acpi.c:273
[   1.0000030] mainbus_attach() at netbsd:mainbus_attach+0x13f x86_cpubus_attach sys/arch/x86/x86/mainbus.c:175 [inline]
[   1.0000030] mainbus_attach() at netbsd:mainbus_attach+0x13f sys/arch/x86/x86/mainbus.c:229
[   1.0000030] config_vattach() at netbsd:config_vattach+0x4b8 sys/kern/subr_autoconf.c:1763
[   1.0000030] config_attach() at netbsd:config_attach+0x58 sys/kern/subr_autoconf.c:1786
[   1.0000030] config_rootfound() at netbsd:config_rootfound+0x4a sys/kern/subr_autoconf.c:1290
[   1.0000030] cpu_configure() at netbsd:cpu_configure+0x58 sys/arch/amd64/amd64/autoconf.c:112
[   1.0000030] main() at netbsd:main+0x452 sys/kern/init_main.c:556
[   1.0000030] cpu0: End traceback...
[   1.0000030] fatal breakpoint trap in supervisor mode
[   1.0000030] trap type 1 code 0 rip 0xffffffff80221a95 cs 0x8 rflags 0x202 cr2 0 ilevel 0x8 rsp 0xffffffff86864710
[   1.0000030] curlwp 0xffffffff85f60f00 pid 0.0 lowest kstack 0xffffffff8685f2c0
Stopped in pid 0.0 (system) at  netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:67
vpanic() at netbsd:vpanic+0x2d0 sys/kern/subr_prf.c:290
isAlreadyReported() at netbsd:isAlreadyReported
HandleTypeMismatch() at netbsd:HandleTypeMismatch+0xfc sys/../common/lib/libc/misc/ubsan.c:432
AcpiNsRootInitialize() at netbsd:AcpiNsRootInitialize+0x6fb sys/external/bsd/acpica/dist/namespace/nsaccess.c:146
AcpiInitializeSubsystem() at netbsd:AcpiInitializeSubsystem+0x77 sys/external/bsd/acpica/dist/utilities/utxfinit.c:119
acpi_probe() at netbsd:acpi_probe+0x44 sys/dev/acpi/acpi.c:273
mainbus_attach() at netbsd:mainbus_attach+0x13f x86_cpubus_attach sys/arch/x86/x86/mainbus.c:175 [inline]
mainbus_attach() at netbsd:mainbus_attach+0x13f sys/arch/x86/x86/mainbus.c:229
config_vattach() at netbsd:config_vattach+0x4b8 sys/kern/subr_autoconf.c:1763
config_attach() at netbsd:config_attach+0x58 sys/kern/subr_autoconf.c:1786
config_rootfound() at netbsd:config_rootfound+0x4a sys/kern/subr_autoconf.c:1290
cpu_configure() at netbsd:cpu_configure+0x58 sys/arch/amd64/amd64/autoconf.c:112
main() at netbsd:main+0x452 sys/kern/init_main.c:556
ds          5f00
es          46d0
fs          4720
gs          10
rdi         0
rsi         1
rbp         ffffffff86864710
rbx         1
--db_more--