[  38.3073054] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffff8661bfa4828c for type 'struct rt_msghdr50' which requires 8 byte alignment

[  38.3292259] cpu0: Begin traceback...
[  38.3518950] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  38.4014393] isAlreadyReported() at netbsd:isAlreadyReported
[  38.4559494] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
[  38.5055013] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
[  38.5550552] compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631
[  38.6145171] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182
[  38.6591074] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline]
[  38.6591074] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663
[  38.7136133] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059
[  38.7631726] do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d sys/kern/uipc_syscalls.c:629
[  38.8127189] do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd sys/kern/uipc_syscalls.c:679
[  38.8622731] sys_sendto() at netbsd:sys_sendto+0xc9 sys/kern/uipc_syscalls.c:514
[  38.9068680] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[  38.9068680] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
[  38.9613698] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  38.9613698] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  38.9613698] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  38.9762352] --- syscall (number 198) ---
[  38.9841810] Skipping crash dump on recursive panic
[  38.9889332] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0x6 for type 'struct x86_64_frame' which requires 8 byte alignment

[  39.0099412] Faulted in mid-traceback; aborting...
[  39.0147936] fatal breakpoint trap in supervisor mode
[  39.0179191] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x282 cr2 0x20000200 ilevel 0x4 rsp 0xffff8c00a5c3b5f0
[  39.0307602] curlwp 0xffff8661bf408b00 pid 533.3 lowest kstack 0xffff8c00a5c392c0
Stopped in pid 533.3 (syz-executor.0) at        netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xd1 sys/ddb/db_panic.c:67
vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
isAlreadyReported() at netbsd:isAlreadyReported
HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
db_nextframe() at netbsd:db_nextframe+0x6f6 sys/arch/amd64/amd64/db_machdep.c:153
db_stack_trace_print() at netbsd:db_stack_trace_print+0x2c4 sys/arch/x86/x86/db_trace.c:277
db_panic() at netbsd:db_panic+0x8b x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:56 [inline]
db_panic() at netbsd:db_panic+0x8b sys/ddb/db_panic.c:57
vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
isAlreadyReported() at netbsd:isAlreadyReported
HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631
raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182
compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline]
compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663
sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059
do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d sys/kern/uipc_syscalls.c:629
do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd sys/kern/uipc_syscalls.c:679
sys_sendto() at netbsd:sys_sendto+0xc9 sys/kern/uipc_syscalls.c:514
sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
--- syscall (number 198) ---
[  39.0381350] Skipping crash dump on recursive panic
[  39.0381350] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0x6 for type 'struct x86_64_frame' which requires 8 byte alignment

[  39.0381350] Faulted in mid-traceback; aborting...
[  39.0381350] fatal breakpoint trap in supervisor mode
[  39.0381350] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x282 cr2 0x20000200 ilevel 0x8 rsp 0xffff8c00a5c3a2f0
[  39.0381350] curlwp 0xffff8661bf408b00 pid 533.3 lowest kstack 0xffff8c00a5c392c0
Stopped in pid 533.3 (syz-executor.0) at        netbsd:breakpoint+0x5:  leave