Nov 26 07:37:19 ci2-netbsd-kubsan-2 getty[421]: /dev/ttyE2: Device not configured NetBSD/amd64 (ci2-netbsd-kubsan-2.c.syzkaller.internal) (console) login: Nov 26 07:37:19 ci2-netbsd-kubsan-2 getty[556]: /dev/ttyE1: Device not configured Nov 26 07:37:19 ci2-netbsd-kubsan-2 getty[466]: /dev/ttyE3: Device not configured Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts. 2019/11/26 07:37:29 parsed 1 programs 2019/11/26 07:37:29 executed programs: 0 2019/11/26 07:37:34 executed programs: 82 2019/11/26 07:37:39 executed programs: 172 [ 52.4695574] Reader / writer lock error: rw_vector_enter,292: locking against myself [ 52.4695574] lock address : 0xffffefebe423a750 type : sleep/adaptive [ 52.4695574] initialized : 0xffffffff8227247b [ 52.4695574] shared holds : 1 exclusive: 0 [ 52.4695574] shares wanted: 1 exclusive: 0 [ 52.4695574] current cpu : 0 last held: 0 [ 52.4695574] current lwp : 0xffffefebe3ae5a00 last held: 0xffffefebe3ae5a00 [ 52.4695574] last locked : 0xffffffff822820d0 unlocked*: 0xffffffff8227c6ce [ 52.4695574] owner/count : 0x0000000000000010 flags : 000000000000000000 [ 52.4695574] Turnstile chain at 0xffffffff85eac5a8 with mutex 0xffffefecee044900. [ 52.4695574] => No active turnstile for this lock. [ 52.5040332] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,292: locking against myself [ 52.5140031] cpu0: Begin traceback... [ 52.5296589] vpanic() at netbsd:vpanic+0x2aa [ 52.5597141] snprintf() at netbsd:snprintf [ 52.6098063] lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a [ 52.6498790] lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x36f [ 52.6799350] rw_enter() at netbsd:rw_enter+0x7cd [ 52.7200111] uvm_fault_internal() at netbsd:uvm_fault_internal+0x25c [ 52.7600813] trap() at netbsd:trap+0x1195 [ 52.7701003] --- trap (number 6) --- [ 52.8001541] _ustore_8() at netbsd:_ustore_8+0x21 [ 52.8402304] sys___syscall() at netbsd:sys___syscall+0x1c8 [ 52.8903201] syscall() at netbsd:syscall+0x29a [ 52.9003399] --- syscall (number 198) --- [ 52.9003399] Skipping crash dump on recursive panic [ 52.9125411] 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 [ 52.9335444] Faulted in mid-traceback; aborting... [ 52.9335444] fatal breakpoint trap in supervisor mode [ 52.9415279] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000000 ilevel 0 rsp 0xffff9d00a6e21a10 [ 52.9541989] curlwp 0xffffefebe3ae5a00 pid 1091.4 lowest kstack 0xffff9d00a6e1f2c0 Stopped in pid 1091.4 (syz-executor.2) 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 lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x36f rw_enter() at netbsd:rw_enter+0x7cd uvm_fault_internal() at netbsd:uvm_fault_internal+0x25c trap() at netbsd:trap+0x1195 --- trap (number 6) --- _ustore_8() at netbsd:_ustore_8+0x21 sys___syscall() at netbsd:sys___syscall+0x1c8 syscall() at netbsd:syscall+0x29a --- syscall (number 198) --- [ 52.9616616] Skipping crash dump on recursive panic [ 52.9616616] 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 [ 52.9616616] Faulted in mid-traceback; aborting... [ 52.9616616] fatal breakpoint trap in supervisor mode [ 52.9616616] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000000 ilevel 0x8 rsp 0xffff9d00a6e20710 [ 52.9616616] curlwp 0xffffefebe3ae5a00 pid 1091.4 lowest kstack 0xffff9d00a6e1f2c0 Stopped in pid 1091.4 (syz-executor.2) at netbsd:breakpoint+0x5: leave db{0}>