login: [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fabee3: Addr 0xffffb90012edf900 [8 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fabee3 in realtimerexpire [ 79.8111878] #1 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #2 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #3 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fabf15: Addr 0xffffb90012edf908 [8 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fabf15 in realtimerexpire [ 79.8111878] #1 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #2 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #3 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fabf4b: Addr 0xffffb90012edf8f0 [8 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fabf4b in realtimerexpire [ 79.8111878] #1 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #2 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #3 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fabf88: Addr 0xffffb90012edf8f8 [8 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fabf88 in realtimerexpire [ 79.8111878] #1 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #2 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #3 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fac143: Addr 0xffffb90012edf960 [4 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fac143 in realtimerexpire [ 79.8111878] #1 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #2 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #3 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fe7db9: Addr 0xffffb90012edf900 [16 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fe7db9 in tshzto [ 79.8111878] #1 0xffffffff80fac15c in realtimerexpire [ 79.8111878] #2 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #3 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #4 0xffffffff8021c1da in Xsoftintr [ 79.8111878] ASan: Unauthorized Access In 0xffffffff80fb16bf: Addr 0xffffb90012edf8b0 [4 bytes, read, RedZone] [ 79.8111878] #0 0xffffffff80fb16bf in callout_reset [ 79.8111878] #1 0xffffffff80fac170 in realtimerexpire [ 79.8111878] #2 0xffffffff80fb08b7 in callout_softclock [ 79.8111878] #3 0xffffffff80f994c2 in softint_dispatch [ 79.8111878] #4 0xffffffff8021c1da in Xsoftintr [ 79.8111878] panic: kernel diagnostic assertion "c->c_magic == CALLOUT_MAGIC" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/kern_timeout.c", line 389 [ 79.8111878] cpu1: Begin traceback... [ 79.8111878] vpanic() at netbsd:vpanic+0x214 [ 79.8111878] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 79.8111878] callout_reset() at netbsd:callout_reset+0xdf [ 79.8111878] realtimerexpire() at netbsd:realtimerexpire+0x38e [ 79.8111878] callout_softclock() at netbsd:callout_softclock+0x237 [ 79.8111878] softint_dispatch() at netbsd:softint_dispatch+0x23e [ 79.8111878] DDB lost frame for netbsd:Xsoftintr+0x5a, trying 0xffffb9016db77ff0 [ 79.8111878] Xsoftintr() at netbsd:Xsoftintr+0x5a [ 79.8111878] --- interrupt --- [ 79.8111878] 0: [ 79.8111878] cpu1: End traceback... [ 79.8111878] dumping to dev 4,1 (offset=0, size=0): not possible [ 79.8111878] rebooting... SeaBIOS (version 1.8.2-20190122_225043-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 0x000f29c0: 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