[  94.4221257] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_lockf.c:843:16, signed integer overflow: 131072 + 9223372036854775807 cannot be represented in type 'long int'

[  94.4337528] cpu0: Begin traceback...
[  94.4520911] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[  94.5120634] isAlreadyReported() at netbsd:isAlreadyReported
[  94.5720350] HandleOverflow() at netbsd:HandleOverflow+0x1fb sys/../common/lib/libc/misc/ubsan.c:360
[  94.6320119] lf_advlock() at netbsd:lf_advlock+0x22b2 sys/kern/vfs_lockf.c:843
[  94.6919797] VOP_ADVLOCK() at netbsd:VOP_ADVLOCK+0x11a sys/kern/vnode_if.c:1518
[  94.7419593] do_fcntl_lock() at netbsd:do_fcntl_lock+0x3dd sys/kern/sys_descrip.c:283
[  94.8019355] sys_fcntl() at netbsd:sys_fcntl+0x115 sys/kern/sys_descrip.c:380
[  94.8619088] sys___syscall() at netbsd:sys___syscall+0x1c8 sy_call sys/sys/syscallvar.h:65 [inline]
[  94.8619088] sys___syscall() at netbsd:sys___syscall+0x1c8 sys/kern/sys_syscall.c:77
[  94.9218778] syscall() at netbsd:syscall+0x29a sy_call sys/sys/syscallvar.h:65 [inline]
[  94.9218778] syscall() at netbsd:syscall+0x29a sy_invoke sys/sys/syscallvar.h:94 [inline]
[  94.9218778] syscall() at netbsd:syscall+0x29a sys/arch/x86/x86/syscall.c:138
[  94.9420426] --- syscall (number 198) ---
[  94.9420426] Skipping crash dump on recursive panic
[  94.9420426] 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

[  94.9718861] Faulted in mid-traceback; aborting...
[  94.9718861] fatal breakpoint trap in supervisor mode
[  94.9718861] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x79586548f160 ilevel 0 rsp 0xffffd300b2c7b840
[  94.9933089] curlwp 0xfffffa9ad7931620 pid 2673.3 lowest kstack 0xffffd300b2c792c0
Stopped in pid 2673.3 (syz-executor.3) 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:56 [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
isAlreadyReported() at netbsd:isAlreadyReported
HandleOverflow() at netbsd:HandleOverflow+0x1fb sys/../common/lib/libc/misc/ubsan.c:360
lf_advlock() at netbsd:lf_advlock+0x22b2 sys/kern/vfs_lockf.c:843
VOP_ADVLOCK() at netbsd:VOP_ADVLOCK+0x11a sys/kern/vnode_if.c:1518
do_fcntl_lock() at netbsd:do_fcntl_lock+0x3dd sys/kern/sys_descrip.c:283
sys_fcntl() at netbsd:sys_fcntl+0x115 sys/kern/sys_descrip.c:380
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) ---
[  94.9933089] Skipping crash dump on recursive panic
[  94.9933089] 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

[  94.9933089] Faulted in mid-traceback; aborting...
[  94.9933089] fatal breakpoint trap in supervisor mode
[  94.9933089] trap type 1 code 0 rip 0xffffffff8021e7cd cs 0x8 rflags 0x286 cr2 0x79586548f160 ilevel 0x8 rsp 0xffffd300b2c7a540
[  94.9933089] curlwp 0xfffffa9ad7931620 pid 2673.3 lowest kstack 0xffffd300b2c792c0
Stopped in pid 2673.3 (syz-executor.3) at       netbsd:breakpoint+0x5:  leave