panic: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/main/kernel/sys/net/rtable.c", line 131 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 6765 9473 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834085ca) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff833b5f68,ffffffff833808ef,83,ffffffff833ff1f5) at __assert+0x29 rtmap_grow(17,21) at rtmap_grow+0x1f3 sys/net/rtable.c:131 rtable_add(16) at rtable_add+0x279 if_createrdomain(16,ffff800000b11800) at if_createrdomain+0x40 sys/net/if.c:1952 ifioctl(ffff80000156f2c0,8020699f,ffff80003c957350,ffff800038129738) at ifioctl+0x19be sys/net/if.c:2301 sys_ioctl(ffff800038129738,ffff80003c957530,ffff80003c957480) at sys_ioctl+0x5bf syscall(ffff80003c957530) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1e9a94b420, count: 5 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.