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 110401 99357 0 0 0x4000000 0 syz-executor * 51156 61817 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b3702) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f67c3,ffffffff834eef0e,84,ffffffff835480c4) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(c,21) at rtmap_grow+0x24f rtable_add(b) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(b) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(b,ffff800001609000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff8000015a4300,8020699f,ffff80002eb8c770,ffff8000ffffdc90) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff8000ffffdc90,ffff80002eb8c950,ffff80002eb8c8a0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002eb8c950) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002eb8c950) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76caf5e70d0, 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. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b3702) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f67c3,ffffffff834eef0e,84,ffffffff835480c4) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(c,21) at rtmap_grow+0x24f rtable_add(b) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(b) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(b,ffff800001609000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff8000015a4300,8020699f,ffff80002eb8c770,ffff8000ffffdc90) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff8000ffffdc90,ffff80002eb8c950,ffff80002eb8c8a0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002eb8c950) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002eb8c950) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76caf5e70d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002eb8c480 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff8000ffffdc90 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5afa62f80fedb670 r11 0x126df956b22e639 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff817023d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002eb8c470 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=51156 pid=61817 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c405780,0xffff80003c404800 process=0xffff80003c3d09c0 user=0xffff80002eb87000, vmspace=0xfffffd806e7f33e0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99357 61715 53829 0 2 0 syz-executor 99357 110401 53829 0 7 0x4000000 syz-executor 1240 86343 59717 0 2 0x10 syz-executor 1240 61553 59717 0 3 0x4000090 fsleep syz-executor 47224 429590 85136 0 2 0 syz-executor 47224 402013 85136 0 3 0x4000080 fsleep syz-executor 47224 146589 85136 0 3 0x4000080 fsleep syz-executor 48377 362180 78334 0 2 0 syz-executor 48377 477956 78334 0 3 0x4000080 fsleep syz-executor 89771 397384 14663 0 2 0 syz-executor 89771 486884 14663 0 3 0x4000080 fsleep syz-executor 50089 483238 47220 0 2 0 syz-executor 50089 338148 47220 0 2 0x4000000 syz-executor 61817 492109 81636 0 2 0 syz-executor 61817 440908 81636 0 2 0x4000000 syz-executor *61817 51156 81636 0 7 0x4000000 syz-executor 61817 454391 81636 0 3 0x4000080 fsleep syz-executor 8362 456271 1 0 3 0x82 nanoslp getty 81636 415612 16989 0 3 0x82 nanoslp syz-executor 14663 283305 16989 0 3 0x82 nanoslp syz-executor 93182 134726 16989 0 2 0x2 syz-executor 59717 323707 16989 0 3 0x82 nanoslp syz-executor 78334 424154 16989 0 3 0x82 nanoslp syz-executor 53829 333398 16989 0 3 0x82 nanoslp syz-executor 47220 75341 16989 0 3 0x82 nanoslp syz-executor 85136 343933 16989 0 3 0x82 nanoslp syz-executor 16989 136223 1 0 3 0x82 kqread syz-executor 6113 124343 0 0 3 0x14200 bored smr 66409 128003 0 0 2 0x14200 zerothread 18625 347764 0 0 3 0x14200 aiodoned aiodoned 16374 470106 0 0 3 0x14200 syncer update 5887 128090 0 0 3 0x14200 cleaner cleaner 62235 264291 0 0 3 0x14200 reaper reaper 74830 357929 0 0 3 0x14200 pgdaemon pagedaemon 12625 437772 0 0 3 0x14200 bored viomb 80391 256207 0 0 3 0x40014200 acpi0 acpi0 82738 110889 0 0 3 0x40014200 idle1 55040 339139 0 0 3 0x14200 bored softnet1 5875 481986 0 0 3 0x14200 bored softnet0 67394 230270 0 0 3 0x14200 bored systqmp 62871 225833 0 0 3 0x14200 bored systq 42067 83876 0 0 3 0x14200 tmoslp softclockmp 2339 406270 0 0 3 0x40014200 tmoslp softclock 82318 373894 0 0 3 0x40014200 idle0 1 290263 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff83aa7eb8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 sleep_finish+0x1d6 sys/kern/kern_synch.c:357 #3 sys_nanosleep+0x26a sys/kern/kern_time.c:303 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 Xsyscall+0x128 Process 50089 (syz-executor) thread 0xffff80003c405250 (338148) exclusive rwlock vmmaplk r = 0 (0xfffffd806c6794e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 61817 (syz-executor) thread 0xffff8000ffffdc90 (51156) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff83a25f40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:175 #3 rtmap_grow+0xb2 sys/net/rtable.c:127 #4 rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] #4 rtable_add+0x2d9 sys/net/rtable.c:223 #5 if_createrdomain+0x40 sys/net/if.c:2046 #6 ifioctl+0x1c52 sys/net/if.c:2395 #7 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 93182 (syz-executor) thread 0xffff8000ffff3770 (134726) exclusive rwlock vmmaplk r = 0 (0xfffffd806c679aa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3752 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b0636b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11049 12018K 12217K 166960K 12210 0 pcb 19 12K 12K 166960K 28 0 rtable 249 7K 7K 166960K 377 0 pf 34 17K 81K 166960K 46 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 4 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1491 0 iov 0 0K 16K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 82K 166960K 1400 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 65K 110K 166960K 211 0 proc 20 33K 163K 166960K 576 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 12 0 in_multi 99 7K 7K 166960K 105 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 389 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 140 83K 176K 166960K 3797 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 20 40K 104K 166960K 1364 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 12 0K 2K 166960K 28 0 temp 34 9110K 9150K 166960K 9172 0 kqueue 1 2K 24K 166960K 31 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 36 0 35 1 0 1 1 0 8 0 rtentry 176 113 0 2 6 0 6 6 0 8 0 unpcb 144 65 0 57 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 22 0 21 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 103 0 99 2 0 2 2 0 8 1 nd6 152 26 0 1 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 30 0 0 1 0 1 1 0 8 0 pfstkey 128 30 0 0 1 0 1 1 0 8 0 pfstate 448 30 0 0 4 0 4 4 0 8 0 pfrule 1360 22 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 467 0 13 30 0 30 30 0 8 0 art_table 40 468 0 13 5 0 5 5 0 8 0 art_node 32 113 0 12 1 0 1 1 0 8 0 semapl 72 2 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1680 0 205 93 0 93 93 0 8 0 ffsino 296 1680 0 205 114 0 114 114 0 8 0 nchpl 144 1959 0 260 64 0 64 64 0 8 0 vnodes 216 1793 0 0 100 0 100 100 0 8 0 namei 1024 6048 0 6048 12 4 8 10 0 8 8 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 8299 0 8299 4 3 1 3 1 8 1 plimitpl 152 46 0 35 1 0 1 1 0 8 0 sigapl 424 522 0 486 7 1 6 7 0 8 0 knotepl 120 440 0 0 14 0 14 14 0 8 0 kqueuepl 224 29 0 28 1 0 1 1 0 8 0 pipepl 344 129 0 101 3 0 3 3 0 8 0 fdescpl 528 506 0 486 3 0 3 3 0 8 0 filepl 160 1892 0 1724 10 0 10 10 0 8 1 lockfpl 104 33 0 33 1 0 1 1 0 8 1 lockfspl 48 16 0 16 1 0 1 1 0 8 1 sessionpl 144 26 0 24 1 0 1 1 0 8 0 pgrppl 48 35 0 25 1 0 1 1 0 8 0 ucredpl 104 187 0 183 1 0 1 1 0 8 0 zombiepl 144 526 0 526 2 1 1 1 0 8 1 processpl 1232 522 0 486 5 0 5 5 0 8 0 procpl 664 655 0 608 6 0 6 6 0 8 1 sockpl 752 209 0 196 4 0 4 4 0 8 2 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 134 0 0 9 0 9 9 0 8 0 bufpl 280 3966 0 106 276 0 276 276 0 8 0 anonpl 32 6537 0 0 53 0 53 53 0 246 0 amapchunkpl 152 11004 0 10578 25 0 25 25 0 158 5 amappl16 200 1906 0 1868 9 4 5 5 0 8 0 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 430 0 430 1 0 1 1 0 8 1 amappl13 176 141 0 140 1 0 1 1 0 8 0 amappl12 168 759 0 741 2 0 2 2 0 8 0 amappl11 160 104 0 104 1 1 0 1 0 8 0 amappl10 152 64 0 64 1 0 1 1 0 8 1 amappl9 144 278 0 277 2 1 1 1 0 8 0 amappl8 136 118 0 117 1 0 1 1 0 8 0 amappl7 128 147 0 145 1 0 1 1 0 8 0 amappl6 120 155 0 155 1 0 1 1 0 8 1 amappl5 112 111 0 111 1 0 1 1 0 8 1 amappl4 104 298 0 295 1 0 1 1 0 8 0 amappl3 96 1913 0 1834 4 0 4 4 0 8 1 amappl2 88 537 0 529 2 0 2 2 0 8 0 amappl1 80 10763 0 10643 17 2 15 16 0 8 6 amappl 88 3002 0 2876 5 0 5 5 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 506 0 486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 506 0 486 1 0 1 1 0 8 0 vmmpekpl 168 6292 0 6257 2 0 2 2 0 8 0 vmmpepl 168 42127 0 41230 90 1 89 89 0 357 41 vmsppl 488 505 0 486 5 0 5 5 0 8 1 rwobjpl 80 15419 0 14979 24 1 23 24 0 8 2 pdppl 4096 1019 0 972 95 48 47 83 0 8 0 pvpl 32 13814 0 0 113 1 112 113 0 265 0 pmappl 256 505 0 486 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 279 0 55 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83903ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a25740) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a25740) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a25740) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a25740) at __mp_lock+0x192 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83903ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a25740) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a25740) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a25740) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a25740) at __mp_lock+0x192 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b3702) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f67c3,ffffffff834eef0e,84,ffffffff835480c4) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(c,21) at rtmap_grow+0x24f rtable_add(b) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(b) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(b,ffff800001609000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff8000015a4300,8020699f,ffff80002eb8c770,ffff8000ffffdc90) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff8000ffffdc90,ffff80002eb8c950,ffff80002eb8c8a0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002eb8c950) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002eb8c950) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76caf5e70d0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b3702) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f67c3,ffffffff834eef0e,84,ffffffff835480c4) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(c,21) at rtmap_grow+0x24f rtable_add(b) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(b) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(b,ffff800001609000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff8000015a4300,8020699f,ffff80002eb8c770,ffff8000ffffdc90) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff8000ffffdc90,ffff80002eb8c950,ffff80002eb8c8a0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002eb8c950) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002eb8c950) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76caf5e70d0, count: -10 ddb{1}>