panic: kernel diagnostic assertion "bpfilter_lookup(unit) == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 379
Starting stack trace...
panic(ffffffff834544c4) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff8348ee49,ffffffff8349ef80,17b,ffffffff834a931b) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfopen(11700,3,2000,ffff80003c4167f0) at bpfopen+0x2bd bpfilter_lookup sys/net/bpf.c:1832 [inline]
bpfopen(11700,3,2000,ffff80003c4167f0) at bpfopen+0x2bd sys/net/bpf.c:379
spec_open_clone(ffff8000313a1658) at spec_open_clone+0x277 sys/kern/spec_vnops.c:722
spec_open(ffff8000313a1658) at spec_open+0x319 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd805fdc6050,3,fffffd80097fd138,ffff80003c4167f0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138
vn_open(ffff8000313a18a8,3,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80003c4167f0,ffffff9c,200000000740,2,0,0,f4741e7bd613e3b4) at doopenat+0x35b sys/kern/vfs_syscalls.c:1155
sys_open(ffff80003c4167f0,ffff8000313a1b60,ffff8000313a1ab0) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063
syscall(ffff8000313a1b60) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000313a1b60) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe262c363170, count: 246
End of stack trace.