€ € [ 93.4889630] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:631:41, member access within misaligned address 0xffffb673a753e74c for type 'struct rt_msghdr' which requires 8 byte alignment [ 93.5115624] cpu0: Begin traceback... [ 93.5390017] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336 [ 93.5993244] isAlreadyReported() at netbsd:isAlreadyReported [ 93.6495874] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc [ 93.6998537] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b sys/../common/lib/libc/misc/ubsan.c:408 [ 93.7601725] route_output() at netbsd:route_output+0x17d4 sys/net/rtsock_shared.c:631 [ 93.8204901] raw_send() at netbsd:raw_send+0x20b sys/net/raw_usrreq.c:182 [ 93.8808103] route_send_wrapper() at netbsd:route_send_wrapper+0x9f route_send sys/net/rtsock_shared.c:464 [inline] [ 93.8808103] route_send_wrapper() at netbsd:route_send_wrapper+0x9f sys/net/rtsock_shared.c:1661 [ 93.9310778] sosend() at netbsd:sosend+0x15ac sys/kern/uipc_socket.c:1059 [ 93.9813419] soo_write() at netbsd:soo_write+0x88 sys/kern/sys_socket.c:122 [ 94.0316076] do_filewritev.part.1() at netbsd:do_filewritev.part.1+0x415 [ 94.0919277] sys_writev() at netbsd:sys_writev+0x54 do_filewritev sys/kern/sys_generic.c:381 [inline] [ 94.0919277] sys_writev() at netbsd:sys_writev+0x54 sys/kern/sys_generic.c:381 [ 94.1321397] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline] [ 94.1321397] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77 [ 94.1924604] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline] [ 94.1924604] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline] [ 94.1924604] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138 [ 94.2126744] --- syscall (number 198) --- [ 94.2126744] Skipping crash dump on recursive panic [ 94.2126744] 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 [ 94.2432247] Faulted in mid-traceback; aborting... [ 94.2432247] fatal breakpoint trap in supervisor mode [ 94.2530768] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x70d846025000 ilevel 0x4 rsp 0xffffd680b3b146a0 [ 94.2644588] curlwp 0xffffb673bc076920 pid 1174.3 lowest kstack 0xffffd680b3b122c0 Stopped in pid 1174.3 (syz-executor.4) 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 route_output() at netbsd:route_output+0x17d4 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) --- [ 94.2644588] Skipping crash dump on recursive panic [ 94.2644588] 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 [ 94.2644588] Faulted in mid-traceback; aborting... [ 94.2644588] fatal breakpoint trap in supervisor mode [ 94.2644588] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x70d846025000 ilevel 0x8 rsp 0xffffd680b3b133a0 [ 94.2644588] curlwp 0xffffb673bc076920 pid 1174.3 lowest kstack 0xffffd680b3b122c0 Stopped in pid 1174.3 (syz-executor.4) at netbsd:breakpoint+0x5: leave