panic: pool_do_get: scsiplug: page empty

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: f516ab5f0d05 rpki-client: plug a leak in filemode
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=125db222580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=c52e5729dc40648c7413

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bfe4e6ac101a/disk-f516ab5f.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/0591cd172ef4/bsd-f516ab5f.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/73963358cd0e/kernel-f516ab5f.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c52e57...@syzkaller.appspotmail.com

panic: pool_do_get: scsiplug: page empty
Starting stack trace...
panic(ffffffff833232f2) at panic+0x1ba sys/kern/subr_prf.c:229
pool_do_get(ffffffff839c4670,2,ffff80002a8d56a8) at pool_do_get+0x537 sys/kern/subr_pool.c:728
pool_get(ffffffff839c4670,2) at pool_get+0x11a sys/kern/subr_pool.c:-1
scsi_req_detach(ffff800000c58380,ffffffff,ffffffff,1) at scsi_req_detach+0x4d sys/scsi/scsi_base.c:-1
vscsiclose(5900,1,2000,ffff80002a8d74f0) at vscsiclose+0x35f sys/dev/vscsi.c:632
spec_close(ffff80002a8d5840) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806ef44648,1,fffffd8007bfd680,ffff80002a8d74f0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd80670e5100,ffff80002a8d74f0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd80670e5100,ffff80002a8d74f0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd80670e5100,ffff80002a8d74f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd80670e5100,ffff80002a8d74f0) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80002a8d74f0) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80002a8d74f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a8d74f0,ffff80002a8d5ba0,ffff80002a8d5af0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a8d5ba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a8d5ba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x70008b1a5c90, count: 242
End of stack trace.


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