[ 194.2041994] WARNING: module error: vfs load failed for `compat_sysv_14', error 2panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/kern_time.c:873:42, unsigned integer overflow: 18446744073709533979 divrem 0 cannot be represented in type 'long unsigned int' [ 194.2162175] cpu1: Begin traceback... [ 194.2538983] vpanic() at netbsd:vpanic+0x2f2 sys/kern/subr_prf.c:293 [ 194.3334995] Report() at netbsd:Report+0x3b sys/../common/lib/libc/misc/ubsan.c:1352 [ 194.3931979] HandleOverflow() at netbsd:HandleOverflow+0x1d0 sys/../common/lib/libc/misc/ubsan.c:375 [ 194.4429686] itimer_callout.cold() at netbsd:itimer_callout.cold+0x2f [ 194.5026490] callout_softclock() at netbsd:callout_softclock+0x25b sys/kern/kern_timeout.c:786 [ 194.5523988] softint_dispatch() at netbsd:softint_dispatch+0x3b7 x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:56 [inline] [ 194.5523988] softint_dispatch() at netbsd:softint_dispatch+0x3b7 softint_execute sys/kern/kern_softint.c:562 [inline] [ 194.5523988] softint_dispatch() at netbsd:softint_dispatch+0x3b7 sys/kern/kern_softint.c:795 [ 194.5723089] Skipping crash dump on recursive panic [ 194.5723089] panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:125:24, member access within misaligned address 0x1 for type 'struct x86_64_frame' which requires 8 byte alignment [ 194.6021477] Faulted in mid-traceback; aborting... [ 194.6021477] fatal breakpoint trap in supervisor mode [ 194.6121003] trap type 1 code 0 rip 0xffffffff80235375 cs 0x8 rflags 0x246 cr2 0x63e060 ilevel 0x8 rsp 0xffffab822f6f0ab0 [ 194.6220466] curlwp 0xffffedd3829b4240 pid 0.26 lowest kstack 0xffffab822f6ed2c0 Stopped in pid 0.26 (system) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:69 vpanic() at netbsd:vpanic+0x2f2 sys/kern/subr_prf.c:293 Report() at netbsd:Report+0x3b sys/../common/lib/libc/misc/ubsan.c:1352 HandleTypeMismatch() at netbsd:HandleTypeMismatch+0xfc sys/../common/lib/libc/misc/ubsan.c:432 db_nextframe() at netbsd:db_nextframe+0x789 sys/arch/amd64/amd64/db_machdep.c:125 db_stack_trace_print() at netbsd:db_stack_trace_print+0x281 sys/arch/x86/x86/db_trace.c:277 db_panic() at netbsd:db_panic+0x9d x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:56 [inline] db_panic() at netbsd:db_panic+0x9d sys/ddb/db_panic.c:59 vpanic() at netbsd:vpanic+0x2f2 sys/kern/subr_prf.c:293 Report() at netbsd:Report+0x3b sys/../common/lib/libc/misc/ubsan.c:1352 HandleOverflow() at netbsd:HandleOverflow+0x1d0 sys/../common/lib/libc/misc/ubsan.c:375 itimer_callout.cold() at netbsd:itimer_callout.cold+0x2f callout_softclock() at netbsd:callout_softclock+0x25b sys/kern/kern_timeout.c:786 softint_dispatch() at netbsd:softint_dispatch+0x3b7 x86_curcpu sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:56 [inline] softint_dispatch() at netbsd:softint_dispatch+0x3b7 softint_execute sys/kern/kern_softint.c:562 [inline] softint_dispatch() at netbsd:softint_dispatch+0x3b7 sys/kern/kern_softint.c:795 [ 194.6220466] Skipping crash dump on recursive panic [ 194.6220466] panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:126:14, member access within misaligned address 0x1 for type 'struct x86_64_frame' which requires 8 byte alignment [ 194.6220466] Faulted in mid-traceback; aborting... [ 194.6220466] fatal breakpoint trap in supervisor mode [ 194.6220466] trap type 1 code 0 rip 0xffffffff80235375 cs 0x8 rflags 0x246 cr2 0x63e060 ilevel 0x8 rsp 0xffffab822f6ef7b0 [ 194.6220466] curlwp 0xffffedd3829b4240 pid 0.26 lowest kstack 0xffffab822f6ed2c0 Stopped in pid 0.26 (system) at netbsd:breakpoint+fatal double fault in supervisor mode [ 194.6220466] trap type 13 code 0 rip 0xffffffff8020075b cs 0x8 rflags 0x10082 cr2 0xffffab822f6eefc8 ilevel 0x8 rsp 0xffffab822f6eefd0 [ 194.6220466] curlwp 0xffffedd3829b4240 pid 0.26 lowest kstack 0xffffab822f6ed2c0 kernel: double fault trap, code=0 Faulted in DDB; continuing...