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(ffffffff825a5570) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff8261eaa3,ffffffff8260df11,136,ffffffff825ebd59) at __assert+0x25 sys/kern/subr_prf.c:157
buf_free_pages(fffffd806e434b70) at buf_free_pages+0x1c2 sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd806e434b70) at buf_dealloc_mem+0xdf sys/kern/vfs_biomem.c:179
buf_put(fffffd806e434b70) at buf_put+0x161 sys/kern/vfs_bio.c:129
brelse(fffffd806e434b70) at brelse+0x5b3 sys/kern/vfs_bio.c:957
vinvalbuf(fffffd80766b1a68,2,fffffd807f7d77b8,ffff800021258000,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2021
ffs_truncate(fffffd8071e2e338,0,4,fffffd807f7d77b8) at ffs_truncate+0xf2a sys/ufs/ffs/ffs_inode.c:326
ufs_rmdir(ffff80002468f0f8) at ufs_rmdir+0x3e1 sys/ufs/ufs/ufs_vnops.c:1343
VOP_RMDIR(fffffd806e3f8a20,fffffd80766b1a68,ffff80002468f1d8) at VOP_RMDIR+0x122 sys/kern/vfs_vops.c:407
dounlinkat(ffff800021258000,ffffff9c,7f7ffffdd720,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1881
syscall(ffff80002468f350) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002468f350) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdd710, count: 244
End of stack trace.