panic: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 95235  48435      0           0  0x4000000    0  syz-executor
 485189  69132      0         0x2        0x1    1  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8344a6b8) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ad8c,ffffffff83484590,84,ffffffff834dd91b) at __assert+0x29 sys/kern/subr_prf.c:-1
rtmap_grow(17,21) at rtmap_grow+0x24f
rtable_add(16) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline]
rtable_add(16) at rtable_add+0x2d9 sys/net/rtable.c:223
if_createrdomain(16,ffff800000c31000) at if_createrdomain+0x40 sys/net/if.c:2045
ifioctl(ffff800001616c18,8020699f,ffff80002a7d0e70,ffff800035fc02c0) at ifioctl+0x1c52 sys/net/if.c:2394
sys_ioctl(ffff800035fc02c0,ffff80002a7d1050,ffff80002a7d0fa0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a7d1050) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a7d1050) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfc43af3e4b0, count: 5
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