[  58.1419844] panic: UBSan: Undefined Behavior in /syzkall[  58.1419844] er/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xfffff5f53fd0a60c for type 'struct rt_msghdr50' which requires 8 byte alignment

[  58.1419844] cpu0: Begin traceback...
[  58.1419844] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  58.1419844] isAlreadyReported() at netbsd:isAlreadyReported
[  58.1419844] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
[  58.1419844] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408
[  58.1419844] compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631
[  58.1419844] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182
[  58.1419844] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline]
[  58.1419844] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663
[  58.1419844] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059
[  58.1419844] do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d sys/kern/uipc_syscalls.c:629
[  58.1419844] do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd sys/kern/uipc_syscalls.c:679
[  58.1419844] sys_sendto() at netbsd:sys_sendto+0xc9 sys/kern/uipc_syscalls.c:514
[  58.1419844] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[  58.1419844] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
[  58.1419844] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  58.1419844] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  58.1419844] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  58.1419844] --- syscall (number 198) ---
[  58.1419844] Skipping crash dump on recursive panic
[  58.1419844] 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

[  58.1419844] Faulted in mid-traceback; aborting...
[  58.1419844] fatal breakpoint trap in supervisor mode
[  58.1419844] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x282 cr2 0x20001000 ilevel 0x8 rsp 0xffff8e00b3b405f0
[  58.1419844] curlwp 0xfffff5f551aeb280 pid 289.3 lowest kstack 0xffff8e00b3b3e2c0
Stopped in pid 289.3 (syz-executor.3) 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
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) ---
[  58.1419844] Skipping crash dump on recursive panic
[  58.1419844] 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

[  58.1419844] Faulted in mid-traceback; aborting...
[  58.1419844] fatal breakpoint trap in supervisor mode
[  58.1419844] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x282 cr2 0x20001000 ilevel 0x8 rsp 0xffff8e00b3b3f2f0
[  58.1419844] curlwp 0xfffff5f551aeb280 pid 289.3 lowest kstack 0xffff8e00b3b3e2c0
Stopped in pid 289.3 (syz-executor.3) at        netbsd:breakpoint+0x5:  leave