panic: kernel diagnostic assertion "pg->wire_count == 1" failed
: file "/syzkaller/managers/main/kernel/sys/kern/vfs_biomem.c",
 line 310
Starting stack trace...
panic(ffffffff830b3528) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff83066bb1,ffffffff83071372,136,ffffffff82ff0490) at __assert+0x29
buf_free_pages(fffffd8058512118) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd8058512118) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd8058512118) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd8058512118) at brelse+0x395 sys/kern/vfs_bio.c:944
vinvalbuf(fffffd8070ac4050,2,fffffd807f7d7820,ffff80002a4987d0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022
ffs_truncate(fffffd8073bc14b0,0,4,fffffd807f7d7820) at ffs_truncate+0xf63
ffs_write(ffff80002a50f7f0) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401
VOP_WRITE(fffffd8070ac4050,ffff80002a50f998,7,fffffd807f7d7820) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
vn_write(fffffd806c5d44c0,ffff80002a50f998,0) at vn_write+0x1c3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a4987d0,4,ffff80002a50f998,0,ffff80002a50fa50) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff80002a4987d0,ffff80002a50fb00,ffff80002a50fa50) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a50fb00) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd51a69d59e0, count: 242
End of stack trace.