[ 40.1415449] panic: tcp_output: no template [ 40.1415449] cpu0: Begin traceback... [ 40.1615909] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336 [ 40.1916607] snprintf() at netbsd:snprintf [ 40.2317619] tcp_output() at netbsd:tcp_output+0x927a sys/netinet/tcp_output.c:1350 [ 40.2818947] tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b tcp_sendoob sys/netinet/tcp_usrreq.c:1178 [inline] [ 40.2818947] tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b sys/netinet/tcp_usrreq.c:2450 [ 40.3320137] sosend() at netbsd:sosend+0xc71 sys/kern/uipc_socket.c:1056 [ 40.3721122] do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d sys/kern/uipc_syscalls.c:629 [ 40.4122121] do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd sys/kern/uipc_syscalls.c:679 [ 40.4523120] sys_sendmsg() at netbsd:sys_sendmsg+0x9b sys/kern/uipc_syscalls.c:533 [ 40.4924113] sys_syscall() at netbsd:sys_syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline] [ 40.4924113] sys_syscall() at netbsd:sys_syscall+0x1c8 sys/kern/sys_syscall.c:77 [ 40.5425385] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline] [ 40.5425385] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline] [ 40.5425385] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138 [ 40.5525625] --- syscall (number 0) --- [ 40.5525625] Skipping crash dump on recursive panic [ 40.5662697] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0xffffffff for type 'struct x86_64_frame' which requires 8 byte alignment [ 40.5878808] Faulted in mid-traceback; aborting... [ 40.5927367] fatal breakpoint trap in supervisor mode [ 40.5927367] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x200003c0 ilevel 0x4 rsp 0xffff8900a6a3cb70 [ 40.6087055] curlwp 0xffffbe7743554700 pid 519.1 lowest kstack 0xffff8900a6a3a2c0 Stopped in pid 519.1 (syz-executor1264) 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 snprintf() at netbsd:snprintf tcp_output() at netbsd:tcp_output+0x927a sys/netinet/tcp_output.c:1350 tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b tcp_sendoob sys/netinet/tcp_usrreq.c:1178 [inline] tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b sys/netinet/tcp_usrreq.c:2450 sosend() at netbsd:sosend+0xc71 sys/kern/uipc_socket.c:1056 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_sendmsg() at netbsd:sys_sendmsg+0x9b sys/kern/uipc_syscalls.c:533 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 0) --- [ 40.6160814] Skipping crash dump on recursive panic [ 40.6160814] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0xffffffff for type 'struct x86_64_frame' which requires 8 byte alignment [ 40.6160814] Faulted in mid-traceback; aborting... [ 40.6160814] fatal breakpoint trap in supervisor mode [ 40.6160814] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x200003c0 ilevel 0x8 rsp 0xffff8900a6a3b870 [ 40.6160814] curlwp 0xffffbe7743554700 pid 519.1 lowest kstack 0xffff8900a6a3a2c0 Stopped in pid 519.1 (syz-executor1264) at netbsd:breakpoint+0x5: leave