¹panic: kernel diagnostic assertion "bpfilter_lookup(unit) == NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/bpf.c", line 379 Starting stack trace... panic(ffffffff8341a707) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff834556a5,ffffffff83441186,17b,ffffffff83470de2) at __assert+0x29 sys/kern/subr_prf.c:-1 bpfopen(11700,21,2000,ffff80003c952d28) at bpfopen+0x27d spec_open_clone(ffff80002a7b4e28) at spec_open_clone+0x277 sys/kern/spec_vnops.c:722 spec_open(ffff80002a7b4e28) at spec_open+0x316 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd8064809290,21,fffffd8007ffd8f0,ffff80003c952d28) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138 vn_open(ffff80002a7b5080,21,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183 doopenat(ffff80003c952d28,ffffff9c,200000000000,20,0,0,468a00cd3e21412c) at doopenat+0x352 sys/kern/vfs_syscalls.c:1155 sys_open(ffff80003c952d28,ffff80002a7b5320,ffff80002a7b5270) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80002a7b5320) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b5320) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1d6c5ba7290, count: 246 End of stack trace. syncing disks...