panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 Starting stack trace... panic(ffffffff825a2514) at panic+0x16b sys/kern/subr_prf.c:229 __assert(ffffffff82619097,ffffffff82605046,136,ffffffff825e6807) at __assert+0x25 sys/kern/subr_prf.c:157 buf_free_pages(fffffd80595bb6d8) at buf_free_pages+0x1c2 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80595bb6d8) at buf_dealloc_mem+0xdf sys/kern/vfs_biomem.c:179 buf_put(fffffd80595bb6d8) at buf_put+0x161 sys/kern/vfs_bio.c:129 brelse(fffffd80595bb6d8) at brelse+0x5b3 sys/kern/vfs_bio.c:957 vinvalbuf(fffffd807652ce88,2,fffffd807f7d75b0,ffff8000295f8010,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2021 ffs_truncate(fffffd8065f8eee0,0,4,fffffd807f7d75b0) at ffs_truncate+0xf2a sys/ufs/ffs/ffs_inode.c:326 ufs_rmdir(ffff800022e38578) at ufs_rmdir+0x3e1 sys/ufs/ufs/ufs_vnops.c:1343 VOP_RMDIR(fffffd8066b5d378,fffffd807652ce88,ffff800022e38658) at VOP_RMDIR+0x122 sys/kern/vfs_vops.c:407 dounlinkat(ffff8000295f8010,ffffff9c,7f7fffffb7d0,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1881 syscall(ffff800022e387d0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800022e387d0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffb7c0, count: 244 End of stack trace. syncing disks...28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 giving up dump to dev 4,1 not possible rpeabnootiic:n gk..e.r nel diagnostic aSeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 003a59b7-54eb-38ca-1cfb-72bc238e03e5 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 0x000f24c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... >> OpenBSD/amd64 BOOT 3.55 boot> show malloc boot: illegal argument malloc boot> show all pools boot> machine ddbcpu 0 machine: syntax error boot> trace boot> machine ddbcpu 1 machine: syntax error boot> trace