[  46.0918136] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffffb8340e3aa74c for type 'struct rt_msghdr50' which requires 8 byte alignment

[  46.1140673] cpu1: Begin traceback...
[  46.1363355] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  46.1920051] isAlreadyReported() at netbsd:isAlreadyReported
[  46.2588031] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
[  46.3033351] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
[  46.3590123] compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631
[  46.4257976] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182
[  46.4703302] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline]
[  46.4703302] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663
[  46.5259982] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059
[  46.5816611] soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122
[  46.6373266] dofilewrite() at netbsd:dofilewrite+0x13f sys/kern/sys_generic.c:350
[  46.6929951] sys_write() at netbsd:sys_write+0xc2 sys/kern/sys_generic.c:318
[  46.7375261] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[  46.7375261] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
[  46.7931950] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  46.7931950] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  46.7931950] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  46.8154604] --- syscall (number 198) ---
[  46.8154604] Skipping crash dump on recursive panic
[  46.8265873] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment

[  46.8488517] Faulted in mid-traceback; aborting...
[  46.8488517] fatal breakpoint trap in supervisor mode
[  46.8599885] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x282 cr2 0x200011c0 ilevel 0x4 rsp 0xffffd300b2c38720
[  46.8711205] curlwp 0xffffb8341f5a6500 pid 73.3 lowest kstack 0xffffd300b2c362c0
Stopped in pid 73.3 (syz-executor.5) 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
soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122
dofilewrite() at netbsd:dofilewrite+0x13f sys/kern/sys_generic.c:350
sys_write() at netbsd:sys_write+0xc2 sys/kern/sys_generic.c:318
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) ---
[  46.8822510] Skipping crash dump on recursive panic
[  46.8822510] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment

[  46.8822510] Faulted in mid-traceback; aborting...
[  46.8822510] fatal breakpoint trap in supervisor mode
[  46.8822510] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x282 cr2 0x200011c0 ilevel 0x8 rsp 0xffffd300b2c37420
[  46.8822510] curlwp 0xffffb8341f5a6500 pid 73.3 lowest kstack 0xffffd300b2c362c0
Stopped in pid 73.3 (syz-executor.5) at netbsd:breakpoint+0x5:  leave