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 *484797 63541 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b2d20) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff83067fbc,ffffffff830341ba,83,ffffffff830a4916) 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,ffff800000b10800) at if_createrdomain+0x40 sys/net/if.c:1945 ifioctl(fffffd806cc33be8,8020699f,ffff800035c094d0,ffff80002a4ae018) at ifioctl+0x19be sys/net/if.c:2294 sys_ioctl(ffff80002a4ae018,ffff800035c096b0,ffff800035c09600) at sys_ioctl+0x678 syscall(ffff800035c096b0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8e1774d8d70, 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.