panic: kernel diagnostic assertion "bpfilter_lookup(unit) == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 379
Starting stack trace...
panic(ffffffff8344c0bd) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff8348ea64,ffffffff8349dc9a,17b,ffffffff834a750e) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfopen(11700,8001,2000,ffff80002a232010) at bpfopen+0x2bd bpfilter_lookup sys/net/bpf.c:1832 [inline]
bpfopen(11700,8001,2000,ffff80002a232010) at bpfopen+0x2bd sys/net/bpf.c:379
spec_open_clone(ffff80002a28bdc8) at spec_open_clone+0x277 sys/kern/spec_vnops.c:722
spec_open(ffff80002a28bdc8) at spec_open+0x319 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd800b9db958,8001,fffffd80097fd820,ffff80002a232010) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138
vn_open(ffff80002a28c018,8001,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80002a232010,ffffff9c,200000000100,8000,0,0,774d8ce15963cc54) at doopenat+0x35b sys/kern/vfs_syscalls.c:1155
sys_openat(ffff80002a232010,ffff80002a28c2d0,ffff80002a28c220) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1094
syscall(ffff80002a28c2d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a28c2d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x598ce7a5990, count: 246
End of stack trace.