[  61.8848881] panic: kernel diagnostic assertion "l->l_cpu == ci" failed: file "/syzkaller/managers/netbsd-kubsan/kernel/sys/kern/kern_synch.c", line 768 
[  61.8959939] cpu1: Begin traceback...
[  61.9293822] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  61.9961531] kern_assert() at netbsd:kern_assert+0x63
[  62.0629269] mi_switch() at netbsd:mi_switch+0x10e9 sys/kern/kern_synch.c:768
[  62.1297002] sleepq_block() at netbsd:sleepq_block+0x1c6 sys/kern/kern_sleepq.c:281
[  62.1964829] cv_wait() at netbsd:cv_wait+0x2d0 sys/kern/kern_condvar.c:252
[  62.2632459] vm_map_lock() at netbsd:vm_map_lock+0xf8 sys/uvm/uvm_map.c:669
[  62.3300311] uvm_map_prepare() at netbsd:uvm_map_prepare+0xe3 sys/uvm/uvm_map.c:1176
[  62.3967918] uvm_map() at netbsd:uvm_map+0xa4 sys/uvm/uvm_map.c:1099
[  62.4635684] kcov_fops_ioctl() at netbsd:kcov_fops_ioctl+0x3a6 kcov_allocbuf sys/kern/subr_kcov.c:181 [inline]
[  62.4635684] kcov_fops_ioctl() at netbsd:kcov_fops_ioctl+0x3a6 sys/kern/subr_kcov.c:253
[  62.5303387] sys_ioctl() at netbsd:sys_ioctl+0xc66 sys/kern/sys_generic.c:671
[  62.6082468] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  62.6082468] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  62.6082468] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  62.6305020] --- syscall (number 54) ---
[  62.6416263] Skipping crash dump on recursive panic
[  62.6416263] 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

[  62.6638801] Faulted in mid-traceback; aborting...
[  62.6750087] fatal breakpoint trap in supervisor mode
[  62.6750087] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x282 cr2 0x62bee0 ilevel 0 rsp 0xffffc480a6ba1cc0
[  62.6861372] curlwp 0xfffffc63a8897760 pid 40.1 lowest kstack 0xffffc480a6b9f2c0
Stopped in pid 40.1 (syz-executor.0) at netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xd1 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+0x8b x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:67 [inline]
db_panic() at netbsd:db_panic+0x8b sys/ddb/db_panic.c:57
vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
kern_assert() at netbsd:kern_assert+0x63
mi_switch() at netbsd:mi_switch+0x10e9 sys/kern/kern_synch.c:768
sleepq_block() at netbsd:sleepq_block+0x1c6 sys/kern/kern_sleepq.c:281
cv_wait() at netbsd:cv_wait+0x2d0 sys/kern/kern_condvar.c:252
vm_map_lock() at netbsd:vm_map_lock+0xf8 sys/uvm/uvm_map.c:669
uvm_map_prepare() at netbsd:uvm_map_prepare+0xe3 sys/uvm/uvm_map.c:1176
uvm_map() at netbsd:uvm_map+0xa4 sys/uvm/uvm_map.c:1099
kcov_fops_ioctl() at netbsd:kcov_fops_ioctl+0x3a6 kcov_allocbuf sys/kern/subr_kcov.c:181 [inline]
kcov_fops_ioctl() at netbsd:kcov_fops_ioctl+0x3a6 sys/kern/subr_kcov.c:253
sys_ioctl() at netbsd:sys_ioctl+0xc66 sys/kern/sys_generic.c:671
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 54) ---
[  62.6972687] Skipping crash dump on recursive panic
[  62.6972687] 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

[  62.6972687] Faulted in mid-traceback; aborting...
[  62.6972687] fatal breakpoint trap in supervisor mode
[  62.6972687] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x282 cr2 0x62bee0 ilevel 0x8 rsp 0xffffc480a6ba09c0
[  62.6972687] curlwp 0xfffffc63a8897760 pid 40.1 lowest kstack 0xffffc480a6b9f2c0
Stopped in pid 40.1 (syz-executor.0) at netbsd:breakpoint+0x5:  leave