[ 1.0000000] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/init_main.c:1177:35, left shift of 1888145 by 12 places cannot be represented in type 'int'
[ 1.0000000] cpu0: Begin traceback...
[ 1.0000000] vpanic() at netbsd:vpanic+0x2aa sys/kern/subr_prf.c:336
[ 1.0000000] isAlreadyReported() at netbsd:isAlreadyReported
[ 1.0000000] HandleShiftOutOfBounds() at netbsd:HandleShiftOutOfBounds+0x28b sys/../common/lib/libc/misc/ubsan.c:470
[ 1.0000000] banner() at netbsd:banner+0x117 sys/kern/init_main.c:1177
[ 1.0000000] cpu_startup() at netbsd:cpu_startup+0x2d6 sys/arch/amd64/amd64/machdep.c:410
[ 1.0000000] main() at netbsd:main+0x16a sys/kern/init_main.c:339
[ 1.0000000] cpu0: End traceback...
[ 1.0000000] fatal breakpoint trap in supervisor mode
[ 1.0000000] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x202 cr2 0 ilevel 0x8 rsp 0xffffffff8625d710
[ 1.0000000] curlwp 0xffffffff85344aa0 pid 0.1 lowest kstack 0xffffffff862592c0
Stopped in pid 0.1 (system) at netbsd:breakpoint+0x5: leave
db{0}>