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 173807 86741 0 0 0 0 syz-executor *341632 86741 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ae4b0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f18ee,ffffffff833efecc,84,ffffffff8344baae) 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,ffff800001563800) at if_createrdomain+0x40 sys/net/if.c:2045 ifioctl(ffff800010fdc600,8020699f,ffff80003c4061f0,ffff8000327d3a10) at ifioctl+0x1c52 sys/net/if.c:2394 sys_ioctl(ffff8000327d3a10,ffff80003c4063d0,ffff80003c406320) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4063d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4063d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba8349131b0, 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(ffffffff833ae4b0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f18ee,ffffffff833efecc,84,ffffffff8344baae) 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,ffff800001563800) at if_createrdomain+0x40 sys/net/if.c:2045 ifioctl(ffff800010fdc600,8020699f,ffff80003c4061f0,ffff8000327d3a10) at ifioctl+0x1c52 sys/net/if.c:2394 sys_ioctl(ffff8000327d3a10,ffff80003c4063d0,ffff80003c406320) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4063d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4063d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba8349131b0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c405f00 rbx 0xffff8000299dee07 rdx 0 rcx 0xffff8000327d3a10 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9433859bb35f65cb r11 0xca7f6cc17be565ee r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff8320efb5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c405ef0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=341632 pid=86741 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=74, usrpri=74, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000327d2a80,0xffff80002a2807f0 process=0xffff80003c40b040 user=0xffff80003c401000, vmspace=0xfffffd806c6f7020 estcpu=24, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69460 388409 6527 0 2 0 syz-executor 69460 433358 6527 0 3 0x4000080 rest syz-executor 82441 38886 80716 0 2 0 syz-executor 82441 168337 80716 0 3 0x4000080 fsleep syz-executor 54580 225975 34171 0 2 0 syz-executor 54580 225125 34171 0 3 0x4000080 fsleep syz-executor 54580 158494 34171 0 2 0x4000000 syz-executor 65418 302202 23384 0 2 0x1 syz-executor 65418 466435 23384 0 3 0x4000080 fsleep syz-executor 86741 173807 73736 0 7 0 syz-executor 86741 208587 73736 0 2 0x4000000 syz-executor *86741 341632 73736 0 7 0x4000000 syz-executor 92876 23173 20577 0 2 0 syz-executor 92876 394531 20577 0 2 0x4000000 syz-executor 92876 322805 20577 0 3 0x4000000 inode syz-executor 92876 414705 20577 0 3 0x4000080 fsleep syz-executor 43251 56285 51563 0 3 0x80 nanoslp syz-executor 43251 371192 51563 0 3 0x4000080 ttyopn syz-executor 43251 35722 51563 0 3 0x4000080 lockf syz-executor 43251 167175 51563 0 3 0x4000080 fsleep syz-executor 6527 356781 69973 0 3 0x82 nanoslp syz-executor 20577 242532 69973 0 3 0x82 nanoslp syz-executor 51563 144466 69973 0 3 0x82 nanoslp syz-executor 37442 406347 69973 0 3 0x82 nanoslp syz-executor 34171 385100 69973 0 3 0x82 nanoslp syz-executor 23384 485283 69973 0 3 0x82 nanoslp syz-executor 73736 300991 69973 0 3 0x82 nanoslp syz-executor 80716 83176 69973 0 3 0x82 nanoslp syz-executor 69973 120100 64407 0 3 0x82 kqread syz-executor 64407 110894 13556 0 3 0x10008a sigsusp ksh 13556 279606 32263 0 3 0x98 kqread sshd-session 32263 364351 86958 0 3 0x92 kqread sshd-session 16629 315077 1 0 3 0x100083 ttyin getty 86958 296262 1 0 3 0x88 kqread sshd 27505 377307 78182 74 3 0x1100092 bpf pflogd 78182 468651 1 0 3 0x80 sbwait pflogd 23451 32901 45108 73 3 0x1100090 kqread syslogd 45108 185853 1 0 3 0x100082 sbwait syslogd 24840 402318 1 0 3 0x100080 kqread resolvd 88256 365656 55576 77 3 0x100092 kqread dhcpleased 16217 82763 55576 77 3 0x100092 kqread dhcpleased 55576 218272 1 0 3 0x80 kqread dhcpleased 71552 329670 0 0 3 0x14200 bored smr 99646 396435 0 0 2 0x14200 zerothread 94971 121197 0 0 3 0x14200 aiodoned aiodoned 10493 433815 0 0 3 0x14200 syncer update 49359 421578 0 0 3 0x14200 cleaner cleaner 5830 226738 0 0 3 0x14200 reaper reaper 83643 161129 0 0 3 0x14200 pgdaemon pagedaemon 29012 65424 0 0 3 0x14200 bored viomb 56525 228813 0 0 3 0x40014200 acpi0 acpi0 62855 140073 0 0 3 0x40014200 idle1 34681 57805 0 0 3 0x14200 bored softnet1 21932 520441 0 0 3 0x14200 bored softnet0 60630 419877 0 0 3 0x14200 bored systqmp 6257 374301 0 0 3 0x14200 bored systq 13741 88815 0 0 3 0x14200 tmoslp softclockmp 7902 392755 0 0 3 0x40014200 tmoslp softclock 94915 344426 0 0 3 0x40014200 idle0 1 208728 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 86741 (syz-executor) thread 0xffff8000327d3a10 (341632) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff83966180) #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:2045 #6 ifioctl+0x1c52 sys/net/if.c:2394 #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:775 #9 Xsyscall+0x128 Process 92876 (syz-executor) thread 0xffff80002a281ca0 (394531) exclusive rwlock vmmaplk r = 0 (0xfffffd806c6f74f0) #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 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520 #7 alltraps_kern_meltdown+0x7b #8 _copyin+0x5b #9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359 #10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #11 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #12 dofilewritev+0x242 sys/kern/sys_generic.c:380 #13 sys_write+0xa2 sys/kern/sys_generic.c:300 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c4810e8) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 92876 (syz-executor) thread 0xffff80002a2807e0 (322805) exclusive rrwlock inode r = 0 (0xfffffd806c481c78) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11060 12095K 12400K 166960K 12200 0 pcb 18 12K 12K 166960K 26 0 rtable 233 7K 7K 166960K 367 0 pf 34 17K 18K 166960K 40 0 ifaddr 43 7K 7K 166960K 47 0 ifgroup 55 2K 2K 166960K 57 0 sysctl 1 1K 9K 166960K 6 0 counters 70 37K 37K 166960K 72 0 ioctlops 0 0K 4K 166960K 1471 0 iov 0 0K 12K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1344 85K 85K 166960K 1392 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 185 0 proc 71 115K 164K 166960K 532 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 4 0 in_multi 102 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 424 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 253 152K 161K 166960K 3463 0 UVM aobj 3 2K 2K 166960K 4 0 pinsyscall 43 86K 109K 166960K 1344 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 29 0 temp 38 8670K 8735K 166960K 8127 0 kqueue 13 20K 28K 166960K 28 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 41 0 38 1 0 1 1 0 8 0 rtentry 176 111 0 5 5 0 5 5 0 8 0 unpcb 144 47 0 30 1 0 1 1 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 26 0 20 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 99 0 89 2 0 2 2 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 4 29 0 29 29 0 8 0 art_table 40 454 0 4 5 0 5 5 0 8 0 art_node 32 111 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 shmpl 112 1 0 1 1 0 1 1 0 8 1 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1636 0 119 96 0 96 96 0 8 0 ffsino 296 1636 0 119 118 0 118 118 0 8 1 nchpl 144 1876 0 173 64 0 64 64 0 8 0 vnodes 216 1741 0 0 97 0 97 97 0 8 0 namei 1024 5733 0 5732 1 0 1 1 0 8 0 percpumem 16 51 0 1 1 0 1 1 0 8 0 kstatmem 264 28 0 2 2 0 2 2 0 8 0 scxspl 216 7200 0 7200 3 2 1 2 1 8 1 plimitpl 152 36 0 17 1 0 1 1 0 8 0 sigapl 424 494 0 446 7 0 7 7 0 8 1 knotepl 120 294 0 0 9 0 9 9 0 8 0 kqueuepl 224 26 0 16 1 0 1 1 0 8 0 pipepl 344 122 0 95 3 0 3 3 0 8 0 fdescpl 528 478 0 446 3 0 3 3 0 8 0 filepl 160 1734 0 1502 11 0 11 11 0 8 1 lockfpl 104 22 0 16 1 0 1 1 0 8 0 lockfspl 48 13 0 8 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 110 0 97 1 0 1 1 0 8 0 zombiepl 144 480 0 479 2 1 1 1 0 8 0 processpl 1232 494 0 446 5 0 5 5 0 8 0 procpl 664 578 0 517 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 189 0 158 5 0 5 5 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 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 256 126 0 0 8 0 8 8 0 8 0 bufpl 280 3458 0 130 238 0 238 238 0 8 0 anonpl 32 7338 0 0 60 0 60 60 0 246 0 amapchunkpl 152 9899 0 9372 24 0 24 24 0 158 3 amappl16 200 2230 0 2203 18 4 14 14 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 17 0 17 1 1 0 1 0 8 0 amappl13 176 437 0 435 1 0 1 1 0 8 0 amappl12 168 852 0 809 3 0 3 3 0 8 0 amappl11 160 23 0 23 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 254 0 253 1 0 1 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 85 0 84 1 0 1 1 0 8 0 amappl6 120 282 0 269 1 0 1 1 0 8 0 amappl5 112 72 0 62 1 0 1 1 0 8 0 amappl4 104 459 0 432 1 0 1 1 0 8 0 amappl3 96 1546 0 1446 4 1 3 3 0 8 0 amappl2 88 601 0 524 2 0 2 2 0 8 0 amappl1 80 9778 0 9189 15 1 14 15 0 8 1 amappl 88 2696 0 2520 4 0 4 4 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 1 1 0 1 1 0 8 0 uaddrrnd 24 478 0 446 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 478 0 446 1 0 1 1 0 8 0 vmmpekpl 168 5900 0 5867 2 0 2 2 0 8 0 vmmpepl 168 39382 0 37430 97 3 94 94 0 357 5 vmsppl 488 477 0 446 5 0 5 5 0 8 0 rwobjpl 80 14665 0 13639 28 2 26 26 0 8 2 pdppl 4096 963 0 892 111 38 73 87 0 8 2 pvpl 32 14412 0 0 118 1 117 117 0 265 0 pmappl 256 477 0 446 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 278 0 41 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83810ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83965980) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83965980) at __mp_lock+0x1a3 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 end of kernel end trace frame: 0x7f15cff6bf50, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83810ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83965980) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83965980) at __mp_lock+0x1a3 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 end of kernel end trace frame: 0x7f15cff6bf50, 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(ffffffff833ae4b0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f18ee,ffffffff833efecc,84,ffffffff8344baae) 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,ffff800001563800) at if_createrdomain+0x40 sys/net/if.c:2045 ifioctl(ffff800010fdc600,8020699f,ffff80003c4061f0,ffff8000327d3a10) at ifioctl+0x1c52 sys/net/if.c:2394 sys_ioctl(ffff8000327d3a10,ffff80003c4063d0,ffff80003c406320) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4063d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4063d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba8349131b0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ae4b0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f18ee,ffffffff833efecc,84,ffffffff8344baae) 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,ffff800001563800) at if_createrdomain+0x40 sys/net/if.c:2045 ifioctl(ffff800010fdc600,8020699f,ffff80003c4061f0,ffff8000327d3a10) at ifioctl+0x1c52 sys/net/if.c:2394 sys_ioctl(ffff8000327d3a10,ffff80003c4063d0,ffff80003c406320) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4063d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4063d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba8349131b0, count: -10