Nov 27 17:17:46 ci2-netbsd-kubsan-0 getty[567]: /dev/ttyE3: Device not configured NetBSD/amd64 (ci2-netbsd-kubsan-0.c.syzkaller.internal) (console) Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. login: [ 40.1219058] panic: tcp_output: no template [ 40.1219058] cpu1: Begin traceback... [ 40.1419042] vpanic() at netbsd:vpanic+0x2aa [ 40.1719161] snprintf() at netbsd:snprintf [ 40.2119342] tcp_output() at netbsd:tcp_output+0x927a [ 40.2519524] tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b [ 40.3019789] sosend() at netbsd:sosend+0xc71 [ 40.3319885] do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d [ 40.3720126] do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd [ 40.4120248] sys_sendmsg() at netbsd:sys_sendmsg+0x9b [ 40.4420390] sys_syscall() at netbsd:sys_syscall+0x1c8 [ 40.4820618] syscall() at netbsd:syscall+0x29a [ 40.4920611] --- syscall (number 0) --- [ 40.5020651] Skipping crash dump on recursive panic [ 40.5020651] 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 [ 40.5220699] Faulted in mid-traceback; aborting... [ 40.5320750] fatal breakpoint trap in supervisor mode [ 40.5320750] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000580 ilevel 0x4 rsp 0xffffda80a6d80b70 [ 40.5420826] curlwp 0xffffba95372fa4c0 pid 568.1 lowest kstack 0xffffda80a6d7e2c0 Stopped in pid 568.1 (syz-executor9178) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 db_panic() at netbsd:db_panic+0x109 vpanic() at netbsd:vpanic+0x2aa isAlreadyReported() at netbsd:isAlreadyReported HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b db_nextframe() at netbsd:db_nextframe+0x6f6 db_stack_trace_print() at netbsd:db_stack_trace_print+0x2c4 db_panic() at netbsd:db_panic+0xa3 vpanic() at netbsd:vpanic+0x2aa snprintf() at netbsd:snprintf tcp_output() at netbsd:tcp_output+0x927a tcp_sendoob_wrapper() at netbsd:tcp_sendoob_wrapper+0x27b sosend() at netbsd:sosend+0xc71 do_sys_sendmsg_so() at netbsd:do_sys_sendmsg_so+0x53d do_sys_sendmsg() at netbsd:do_sys_sendmsg+0xcd sys_sendmsg() at netbsd:sys_sendmsg+0x9b sys_syscall() at netbsd:sys_syscall+0x1c8 syscall() at netbsd:syscall+0x29a --- syscall (number 0) --- [ 40.5520888] Skipping crash dump on recursive panic [ 40.5520888] 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 [ 40.5520888] Faulted in mid-traceback; aborting... [ 40.5520888] fatal breakpoint trap in supervisor mode [ 40.5520888] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000580 ilevel 0x8 rsp 0xffffda80a6d7f870 [ 40.5520888] curlwp 0xffffba95372fa4c0 pid 568.1 lowest kstack 0xffffda80a6d7e2c0 Stopped in pid 568.1 (syz-executor9178) at netbsd:breakpoint+0x5: leave