[ 142.8086733] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffffef0a656f058c for type 'struct rt_msghdr50' which requires 8 byte alignment [ 142.8286962] cpu1: Begin traceback... [ 142.8587718] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336 [ 142.9088803] isAlreadyReported() at netbsd:isAlreadyReported [ 142.9589991] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc [ 143.0091098] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408 [ 143.0592268] compat_50_route_output() at netbsd:compat_50_route_output+0x1a4a sys/net/rtsock_shared.c:631 [ 143.1193602] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182 [ 143.1694725] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f compat_50_route_send sys/net/rtsock_shared.c:464 [inline] [ 143.1694725] compat_50_route_send_wrapper() at netbsd:compat_50_route_send_wrapper+0x9f sys/net/rtsock_shared.c:1663 [ 143.2195877] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059 [ 143.2697006] soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122 [ 143.3198222] do_filewritev.part.1() at netbsd:do_filewritev.part.1+0x415 [ 143.3699302] sys_writev() at netbsd:sys_writev+0x54 do_filewritev sys/kern/sys_generic.c:381 [inline] [ 143.3699302] sys_writev() at netbsd:sys_writev+0x54 sys/kern/sys_generic.c:381 [ 143.4200441] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline] [ 143.4200441] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77 [ 143.4701570] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline] [ 143.4701570] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline] [ 143.4701570] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138 [ 143.4902061] --- syscall (number 198) --- [ 143.4902061] Skipping crash dump on recursive panic [ 143.5002220] 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 [ 143.5202671] Faulted in mid-traceback; aborting... [ 143.5202671] fatal breakpoint trap in supervisor mode [ 143.5302863] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x70140f031000 ilevel 0x4 rsp 0xffffb280b2f256a0 [ 143.5403122] curlwp 0xffffef0a823e20e0 pid 4505.3 lowest kstack 0xffffb280b2f232c0 Stopped in pid 4505.3 (syz-executor.3) 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 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) --- [ 143.5503362] Skipping crash dump on recursive panic [ 143.5503362] 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 [ 143.5503362] Faulted in mid-traceback; aborting... [ 143.5503362] fatal breakpoint trap in supervisor mode [ 143.5503362] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x70140f031000 ilevel 0x8 rsp 0xffffb280b2f243a0 [ 143.5503362] curlwp 0xffffef0a823e20e0 pid 4505.3 lowest kstack 0xffffb280b2f232c0 Stopped in pid 4505.3 (syz-executor.3) at netbsd:breakpoint+0x5: leave