panic: trap type 4, code=0, pc=ffffffff81a66480
Starting stack trace...
panic(ffffffff823b164c) at panic+0x14c sys/kern/subr_prf.c:218
kerntrap(ffff8000212b0e80) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:316
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
pfi_ifhead_RB_REMOVE(ffffffff8290b790,ffff800000b70800) at pfi_ifhead_RB_REMOVE+0x50 sys/net/pf_if.c:80
pfi_detach_ifgroup(ffff800000b88c00) at pfi_detach_ifgroup+0x11b pfi_kif_unref sys/net/pf_if.c:211 [inline]
pfi_detach_ifgroup(ffff800000b88c00) at pfi_detach_ifgroup+0x11b sys/net/pf_if.c:304
if_delgroup(ffff800000b4d000,ffff800000b88c00) at if_delgroup+0x193 sys/net/if.c:2679
if_detach(ffff800000b4d000) at if_detach+0x1ab sys/net/if.c:1042
tun_clone_destroy(ffff800000b4d000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:325
if_clone_destroy(ffff8000212b1130) at if_clone_destroy+0x146 sys/net/if.c:1201
tun_dev_close(5d01,7) at tun_dev_close+0x140 sys/net/if_tun.c:476
spec_close(ffff8000212b1200) at spec_close+0x311 sys/kern/spec_vnops.c:560
VOP_CLOSE(fffffd806e5f95b8,7,fffffd807f7b7a20,ffff80002231e548) at VOP_CLOSE+0xeb sys/kern/vfs_vops.c:177
vn_closefile(fffffd80689a0c00,ffff80002231e548) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd80689a0c00,ffff80002231e548) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614
fdrop(fffffd80689a0c00,ffff80002231e548) at fdrop+0xc2 sys/kern/kern_descrip.c:1279
closef(fffffd80689a0c00,ffff80002231e548) at closef+0x11c sys/kern/kern_descrip.c:1263
fdfree(ffff80002231e548) at fdfree+0xf4 sys/kern/kern_descrip.c:1195
exit1(ffff80002231e548,0,19,1) at exit1+0x340 sys/kern/kern_exit.c:197
postsig(ffff80002231e548,19) at postsig+0x59c sigexit sys/kern/kern_sig.c:1494 [inline]
postsig(ffff80002231e548,19) at postsig+0x59c sys/kern/kern_sig.c:1423
userret(ffff80002231e548) at userret+0x189 sys/kern/kern_sig.c:1914
syscall(ffff8000212b1680) at syscall+0x55c mi_syscall_return sys/sys/syscall_mi.h:129 [inline]
syscall(ffff8000212b1680) at syscall+0x55c sys/arch/amd64/amd64/trap.c:612
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff7f70, count: 236
End of stack trace.



OpenBSD/amd64 (ci-openbsd-multicore-7.c.syzkaller.internal) (tty00)