[  40.6623346] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffffdc5ecf95d78c for type 'struct rt_msghdr50' which requires 8 byte alignment

[  40.6750070] cpu0: Begin traceback...
[  40.6823652] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  40.7224422] isAlreadyReported() at netbsd:isAlreadyReported
[  40.7625176] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
[  40.8025969] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
[  40.8426752] compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631
[  40.8827593] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182
[  40.9228303] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline]
[  40.9228303] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663
[  40.9629064] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059
[  40.9929692] soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122
[  41.0430598] do_filewritev.part.1() at netbsd:do_filewritev.part.1+0x415
[  41.0831362] sys_writev() at netbsd:sys_writev+0x54 do_filewritev sys/kern/sys_generic.c:381 [inline]
[  41.0831362] sys_writev() at netbsd:sys_writev+0x54 sys/kern/sys_generic.c:381
[  41.1232139] sys_syscall() at netbsd:sys_syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[  41.1232139] sys_syscall() at netbsd:sys_syscall+0x1c8 sys/kern/sys_syscall.c:77
[  41.1632914] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  41.1632914] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  41.1632914] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  41.1733111] --- syscall (number 0) ---
[  41.1854150] Skipping crash dump on recursive panic
[  41.1854150] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0xffffffff for type 'struct x86_64_frame' which requires 8 byte alignment

[  41.2117921] Faulted in mid-traceback; aborting...
[  41.2166496] fatal breakpoint trap in supervisor mode
[  41.2166496] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000000 ilevel 0x4 rsp 0xffffdc80a697c6a0
[  41.2326217] curlwp 0xffffdc5ecf169260 pid 565.1 lowest kstack 0xffffdc80a697a2c0
Stopped in pid 565.1 (syz-executor8334) at      netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0x109 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+0xa3 x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:67 [inline]
db_panic() at netbsd:db_panic+0xa3 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
soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122
do_filewritev.part.1() at netbsd:do_filewritev.part.1+0x415
sys_writev() at netbsd:sys_writev+0x54 do_filewritev sys/kern/sys_generic.c:381 [inline]
sys_writev() at netbsd:sys_writev+0x54 sys/kern/sys_generic.c:381
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 0) ---
[  41.2400016] Skipping crash dump on recursive panic
[  41.2400016] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0xffffffff for type 'struct x86_64_frame' which requires 8 byte alignment

[  41.2400016] Faulted in mid-traceback; aborting...
[  41.2400016] fatal breakpoint trap in supervisor mode
[  41.2400016] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000000 ilevel 0x8 rsp 0xffffdc80a697b3a0
[  41.2400016] curlwp 0xffffdc5ecf169260 pid 565.1 lowest kstack 0xffffdc80a697a2c0
Stopped in pid 565.1 (syz-executor8334) at      netbsd:breakpoint+0x5:  leave