[ 54.0314945] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffffef266017078c for type 'struct rt_msghdr' which requires 8 byte alignment [ 54.0515067] cpu1: Begin traceback... [ 54.0715354] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336 [ 54.1216046] isAlreadyReported() at netbsd:isAlreadyReported [ 54.1716731] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc [ 54.2217429] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408 [ 54.2818258] route_output() at netbsd:route_output+0x17df sys/net/rtsock_shared.c:631 [ 54.3318930] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182 [ 54.3819640] route_send_wrapper() at netbsd:route_send_wrapper+0x9f route_send sys/net/rtsock_shared.c:464 [inline] [ 54.3819640] route_send_wrapper() at netbsd:route_send_wrapper+0x9f sys/net/rtsock_shared.c:1661 [ 54.4320282] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059 [ 54.4820980] soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122 [ 54.5321667] do_filewritev.part.1() at netbsd:do_filewritev.part.1+0x415 [ 54.5822348] sys_writev() at netbsd:sys_writev+0x54 do_filewritev sys/kern/sys_generic.c:381 [inline] [ 54.5822348] sys_writev() at netbsd:sys_writev+0x54 sys/kern/sys_generic.c:381 [ 54.6222922] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline] [ 54.6222922] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77 [ 54.6823745] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline] [ 54.6823745] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline] [ 54.6823745] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138 [ 54.6923856] --- syscall (number 198) --- [ 54.6923856] Skipping crash dump on recursive panic [ 54.7023999] 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 [ 54.7224239] Faulted in mid-traceback; aborting... [ 54.7324352] fatal breakpoint trap in supervisor mode [ 54.7324352] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x7b7d1544fede ilevel 0x4 rsp 0xffffcd80b2dd16a0 [ 54.7424558] curlwp 0xffffef2671b545e0 pid 516.3 lowest kstack 0xffffcd80b2dcf2c0 Stopped in pid 516.3 (syz-executor.4) 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 route_output() at netbsd:route_output+0x17df sys/net/rtsock_shared.c:631 raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182 route_send_wrapper() at netbsd:route_send_wrapper+0x9f route_send sys/net/rtsock_shared.c:464 [inline] route_send_wrapper() at netbsd:route_send_wrapper+0x9f sys/net/rtsock_shared.c:1661 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 198) --- [ 54.7524649] Skipping crash dump on recursive panic [ 54.7524649] 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 [ 54.7524649] Faulted in mid-traceback; aborting... [ 54.7524649] fatal breakpoint trap in supervisor mode [ 54.7524649] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x7b7d1544fede ilevel 0x8 rsp 0xffffcd80b2dd03a0 [ 54.7524649] curlwp 0xffffef2671b545e0 pid 516.3 lowest kstack 0xffffcd80b2dcf2c0 Stopped in pid 516.3 (syz-executor.4) at netbsd:breakpoint+0x5: leave