./file0./file0€ [ 2385.4667820] panic: kernel diagnostic assertion "(c->c_flags & CALLOUT_PENDING) == 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/kern_timeout.c", line 317 callout 0xffffdd0012e48ee0: c_func (0xffffffff80fd7f4b) c_flags (0x102) destroyed from 0xffffffff80fd7d3b [ 2385.4935329] cpu1: Begin traceback... [ 2385.5035688] vpanic() at netbsd:vpanic+0x214 [ 2385.5136063] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 2385.5303179] callout_destroy() at netbsd:callout_destroy+0x118 [ 2385.5470368] itimerfree() at netbsd:itimerfree+0x16a [ 2385.5771337] timers_free() at netbsd:timers_free+0x308 [ 2385.5871644] exit1() at netbsd:exit1+0x25b [ 2385.5971969] sys_exit() at netbsd:sys_exit+0x6c [ 2385.6105727] syscall() at netbsd:syscall+0x348 [ 2385.6172588] --- syscall (number 1) --- [ 2385.6239508] 7a3a04afe47a: [ 2385.6272909] cpu1: End traceback... [ 2385.6306348] dumping to dev 4,1 (offset=0, size=0): not possible [ 2385.6373229] rebooting... SeaBIOS (version 1.8.2-20190322_093631-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f29d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... >> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0) >> Memory: 639/3144640 k 1. Boot normally 2. Boot single user 3. Disable ACPI 4. Disable ACPI and SMP 5. Drop to boot prompt