[ 38.9932763] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_tryenter,585: assertion failed: (op != RW_READER && RW_OWNER(rw) == curthread) || (op == RW_READER && RW_COUNT(rw) != 0)
[ 39.0108885] cpu0: Begin traceback...
[ 39.0275437] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[ 39.0876468] snprintf() at netbsd:snprintf
[ 39.1477497] lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a sys/kern/subr_lockdebug.c:799
[ 39.2178692] rw_abort() at netbsd:rw_abort+0x50 sys/kern/kern_rwlock.c:209
[ 39.2879907] rw_tryenter() at netbsd:rw_tryenter+0x13c sys/kern/kern_rwlock.c:587
[ 39.3380768] vm_map_lock_try() at netbsd:vm_map_lock_try+0x3c sys/uvm/uvm_map.c:682
[ 39.3981817] uvm_map_prepare() at netbsd:uvm_map_prepare+0xc0 sys/uvm/uvm_map.c:1170
[ 39.4582884] uvm_map() at netbsd:uvm_map+0xa4 sys/uvm/uvm_map.c:1099
[ 39.5284060] uvm_mmap.part.0() at netbsd:uvm_mmap.part.0+0x32a
[ 39.5885094] sys_mmap() at netbsd:sys_mmap+0x809 uvm_mmap sys/uvm/uvm_mmap.c:401 [inline]
[ 39.5885094] sys_mmap() at netbsd:sys_mmap+0x809 sys/uvm/uvm_mmap.c:401
[ 39.6486109] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[ 39.6486109] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
[ 39.7087158] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[ 39.7087158] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 39.7087158] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[ 39.7292047] --- syscall (number 198) ---
[ 39.7292047] Skipping crash dump on recursive panic
[ 39.7292047] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0x7 for type 'struct x86_64_frame' which requires 8 byte alignment
[ 39.7603613] Faulted in mid-traceback; aborting...
[ 39.7603613] fatal breakpoint trap in supervisor mode
[ 39.7703289] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x282 cr2 0x76d566a00000 ilevel 0 rsp 0xffffaa00a690acc0
[ 39.7815192] curlwp 0xffffeb4dab5f52c0 pid 45.3 lowest kstack 0xffffaa00a69082c0
Stopped in pid 45.3 (syz-executor.0) 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
lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a sys/kern/subr_lockdebug.c:799
rw_abort() at netbsd:rw_abort+0x50 sys/kern/kern_rwlock.c:209
rw_tryenter() at netbsd:rw_tryenter+0x13c sys/kern/kern_rwlock.c:587
vm_map_lock_try() at netbsd:vm_map_lock_try+0x3c sys/uvm/uvm_map.c:682
uvm_map_prepare() at netbsd:uvm_map_prepare+0xc0 sys/uvm/uvm_map.c:1170
uvm_map() at netbsd:uvm_map+0xa4 sys/uvm/uvm_map.c:1099
uvm_mmap.part.0() at netbsd:uvm_mmap.part.0+0x32a
sys_mmap() at netbsd:sys_mmap+0x809 uvm_mmap sys/uvm/uvm_mmap.c:401 [inline]
sys_mmap() at netbsd:sys_mmap+0x809 sys/uvm/uvm_mmap.c:401
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) ---
[ 39.7815192] Skipping crash dump on recursive panic
[ 39.7815192] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0x7 for type 'struct x86_64_frame' which requires 8 byte alignment
[ 39.7815192] Faulted in mid-traceback; aborting...
[ 39.7815192] fatal breakpoint trap in supervisor mode
[ 39.7815192] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x282 cr2 0x76d566a00000 ilevel 0x8 rsp 0xffffaa00a69099c0
[ 39.7815192] curlwp 0xffffeb4dab5f52c0 pid 45.3 lowest kstack 0xffffaa00a69082c0
Stopped in pid 45.3 (syz-executor.0) at netbsd:breakpoint+0x5: leave