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(ffffffff825aa91c) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff8262086b,ffffffff826103b4,136,ffffffff825efe2d) at __assert+0x25 sys/kern/subr_prf.c:157
buf_free_pages(fffffd8070618c88) at buf_free_pages+0x1c2 sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd8070618c88) at buf_dealloc_mem+0xdf sys/kern/vfs_biomem.c:179
buf_put(fffffd8070618c88) at buf_put+0x161 sys/kern/vfs_bio.c:129
brelse(fffffd8070618c88) at brelse+0x5b3 sys/kern/vfs_bio.c:957
vinvalbuf(fffffd806fc75200,2,fffffd807f7d7548,ffff8000212582a8,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2021
ffs_truncate(fffffd806e361ee8,0,4,fffffd807f7d7548) at ffs_truncate+0xf2a sys/ufs/ffs/ffs_inode.c:326
ufs_rmdir(ffff80002e51fbf8) at ufs_rmdir+0x3e1 sys/ufs/ufs/ufs_vnops.c:1343
VOP_RMDIR(fffffd80655cc460,fffffd806fc75200,ffff80002e51fcd8) at VOP_RMDIR+0x122 sys/kern/vfs_vops.c:407
dounlinkat(ffff8000212582a8,ffffff9c,7f7fffffb7d0,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1881
syscall(ffff80002e51fe50) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e51fe50) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb7c0, count: 244
End of stack trace.