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 487221 90905 0 0 0 0 syz-executor *455947 90905 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83384170) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c5fb1,ffffffff833bfbe0,84,ffffffff83419e9a) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(6,21) at rtmap_grow+0x24f rtable_add(5) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(5) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(5,ffff800001488800) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff80000148da88,8020699f,ffff80003c41ad20,ffff8000fffe82b8) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffe82b8,ffff80003c41af00,ffff80003c41ae50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c41af00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41af00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfde022fc7f0, 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(ffffffff83384170) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c5fb1,ffffffff833bfbe0,84,ffffffff83419e9a) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(6,21) at rtmap_grow+0x24f rtable_add(5) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(5) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(5,ffff800001488800) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff80000148da88,8020699f,ffff80003c41ad20,ffff8000fffe82b8) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffe82b8,ffff80003c41af00,ffff80003c41ae50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c41af00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41af00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfde022fc7f0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c41aa30 rbx 0xffff8000299eeddf rdx 0 rcx 0xffff8000fffe82b8 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1834c6c944cfa329 r11 0xa46f654915529519 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff8324b8f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c41aa20 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=455947 pid=90905 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe8fb0,0xffff8000fffe8560 process=0xffff8000fffee698 user=0xffff80003c415000, vmspace=0xfffffd806ef03b78 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90905 487221 75633 0 7 0 syz-executor *90905 455947 75633 0 7 0x4000000 syz-executor 90905 516194 75633 0 2 0x4000000 syz-executor 23866 472122 28917 0 2 0 syz-executor 72045 110667 45716 0 2 0 syz-executor 72045 397526 45716 0 2 0x4000000 syz-executor 97042 185312 77791 0 2 0 syz-executor 97042 76728 77791 0 2 0x4000001 syz-executor 73599 35921 68759 0 2 0 syz-executor 73599 259817 68759 0 3 0x4000080 fifor syz-executor 73599 364897 68759 0 3 0x4000080 fsleep syz-executor 16980 270538 53898 0 3 0x80 nanoslp syz-executor 16980 390834 53898 0 3 0x4000080 kqread syz-executor 16980 446369 53898 0 3 0x4000080 fsleep syz-executor 16980 208177 53898 0 3 0x4000080 fsleep syz-executor 48151 28362 70643 0 3 0x3000 suspend syz-executor 48151 82050 70643 0 3 0x4081000 inode syz-executor 48151 494884 70643 0 2 0x4081000 syz-executor 48151 333606 70643 0 3 0x4081000 inode syz-executor 53898 188092 49499 0 3 0x82 nanoslp syz-executor 28917 189986 49499 0 3 0x82 nanoslp syz-executor 75633 171383 49499 0 3 0x82 nanoslp syz-executor 70643 518356 49499 0 3 0x82 wait syz-executor 68759 102108 49499 0 3 0x82 nanoslp syz-executor 45716 83537 49499 0 3 0x82 nanoslp syz-executor 57716 135309 49499 0 3 0x82 nanoslp syz-executor 77791 298364 49499 0 3 0x82 nanoslp syz-executor 49499 477443 11212 0 3 0x82 kqread syz-executor 11212 54816 88350 0 3 0x10008a sigsusp ksh 88350 213719 81364 0 3 0x98 kqread sshd-session 81364 88536 61136 0 3 0x92 kqread sshd-session 36334 149933 1 0 3 0x100083 ttyin getty 61136 231836 1 0 3 0x88 kqread sshd 55216 433751 64041 74 3 0x1100092 bpf pflogd 64041 145253 1 0 3 0x80 sbwait pflogd 61839 457703 3003 73 3 0x1100090 kqread syslogd 3003 395645 1 0 3 0x100082 sbwait syslogd 71561 389336 1 0 3 0x100080 kqread resolvd 27441 195072 1138 77 2 0x100013 dhcpleased 53398 440607 1138 77 3 0x100092 kqread dhcpleased 1138 500448 1 0 3 0x80 kqread dhcpleased 81200 470889 0 0 3 0x14200 bored smr 62233 329440 0 0 2 0x14200 zerothread 67164 449727 0 0 3 0x14200 aiodoned aiodoned 21593 271495 0 0 3 0x14200 syncer update 85700 494669 0 0 3 0x14200 cleaner cleaner 86197 461681 0 0 3 0x14200 reaper reaper 77017 76985 0 0 3 0x14200 pgdaemon pagedaemon 54957 251233 0 0 3 0x14200 bored viomb 88364 451369 0 0 3 0x40014200 acpi0 acpi0 14986 146748 0 0 3 0x40014200 idle1 17710 160677 0 0 3 0x14200 bored softnet1 1594 240031 0 0 3 0x14200 bored softnet0 65117 134174 0 0 3 0x14200 bored systqmp 99436 378521 0 0 3 0x14200 bored systq 61966 396361 0 0 3 0x14200 tmoslp softclockmp 53253 470712 0 0 3 0x40014200 tmoslp softclock 12838 46245 0 0 3 0x40014200 idle0 1 316273 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 90905 (syz-executor) thread 0xffff8000fffe82b8 (455947) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff839def08) #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:174 #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:1978 #6 ifioctl+0x1c66 sys/net/if.c:2327 #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:748 #9 Xsyscall+0x128 Process 23866 (syz-executor) thread 0xffff80002a270d10 (472122) exclusive rwlock vmmaplk r = 0 (0xfffffd806b946308) #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 uvm_map_protect+0xe0 sys/uvm/uvm_map.c:3064 #4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 72045 (syz-executor) thread 0xffff80002a270018 (397526) exclusive rrwlock inode r = 0 (0xfffffd807087b7d0) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open_clone+0x290 sys/kern/spec_vnops.c:725 #6 spec_open+0x319 sys/kern/spec_vnops.c:148 #7 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #8 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #9 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 Process 48151 (syz-executor) thread 0xffff80002a270548 (82050) exclusive rrwlock inode r = 0 (0xfffffd806c0ffc70) #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+0xa3 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 dofchmodat+0x162 sys/kern/vfs_syscalls.c:2382 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 48151 (syz-executor) thread 0xffff800038801cb0 (494884) exclusive rrwlock inode r = 0 (0xfffffd806c0ff0e0) #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+0xa3 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:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11064K 11172K 166960K 11365 0 pcb 19 12K 12K 166960K 47 0 rtable 227 6K 7K 166960K 376 0 pf 39 18K 19K 166960K 53 0 ifaddr 46 7K 7K 166960K 50 0 ifgroup 59 2K 2K 166960K 61 0 sysctl 4 1K 9K 166960K 8 0 counters 72 37K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1524 0 iov 0 0K 16K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1347 85K 85K 166960K 1421 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 227 0 sigio 0 0K 0K 166960K 1 0 proc 72 115K 180K 166960K 545 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 7 0 in_multi 102 7K 7K 166960K 109 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 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 381 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 251 159K 169K 166960K 3956 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 43 86K 104K 166960K 1351 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 14 0K 2K 166960K 31 0 temp 41 8643K 8770K 166960K 6233 0 kqueue 16 26K 29K 166960K 43 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 42 0 38 1 0 1 1 0 8 0 rtentry 176 117 0 14 6 0 6 6 0 8 0 unpcb 144 84 0 63 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 30 0 26 1 0 1 1 0 8 0 arp 136 20 0 0 1 0 1 1 0 8 0 inpcb 328 154 0 144 2 0 2 2 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 3 0 1 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 7 0 5 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 25 0 0 1 0 1 1 0 8 0 pfstkey 128 27 0 2 1 0 1 1 0 8 0 pfstate 384 26 0 1 3 0 3 3 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 526 0 84 31 0 31 31 0 8 1 art_table 40 527 0 84 5 0 5 5 0 8 0 art_node 32 117 0 27 1 0 1 1 0 8 0 semapl 112 3 0 1 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1739 0 219 96 0 96 96 0 8 0 ffsino 296 1739 0 219 118 0 118 118 0 8 0 nchpl 144 2045 0 339 64 0 64 64 0 8 0 vnodes 216 1855 0 0 104 0 104 104 0 8 0 namei 1024 6243 0 6241 2 1 1 2 0 8 0 percpumem 16 52 0 1 1 0 1 1 0 8 0 kstatmem 264 32 0 2 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 8384 0 8384 3 2 1 2 1 8 1 plimitpl 152 42 0 22 1 0 1 1 0 8 0 sigapl 424 535 0 487 7 1 6 7 0 8 0 knotepl 120 298 0 0 10 0 10 10 0 8 0 kqueuepl 224 57 0 44 1 0 1 1 0 8 0 pipepl 344 130 0 103 3 0 3 3 0 8 0 fdescpl 528 519 0 487 3 0 3 3 0 8 0 filepl 160 2008 0 1777 10 0 10 10 0 8 0 lockfpl 104 38 0 35 1 0 1 1 0 8 0 lockfspl 48 14 0 11 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 164 0 151 1 0 1 1 0 8 0 zombiepl 144 539 0 537 1 0 1 1 0 8 0 processpl 1232 535 0 487 5 1 4 5 0 8 0 procpl 664 715 0 655 6 0 6 6 0 8 0 sockpl 752 281 0 246 4 0 4 4 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 199 0 0 13 0 13 13 0 8 0 bufpl 280 3364 0 131 231 0 231 231 0 8 0 anonpl 32 7051 0 0 57 0 57 57 0 246 0 amapchunkpl 152 11608 0 11095 32 5 27 27 0 158 5 amappl16 200 2320 0 2064 15 1 14 14 0 8 0 amappl15 192 16 0 15 1 0 1 1 0 8 0 amappl14 184 8 0 8 1 1 0 1 0 8 0 amappl13 176 424 0 423 1 0 1 1 0 8 0 amappl12 168 877 0 834 3 1 2 3 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 78 0 77 1 0 1 1 0 8 0 amappl6 120 281 0 268 1 0 1 1 0 8 0 amappl5 112 75 0 65 1 0 1 1 0 8 0 amappl4 104 411 0 382 1 0 1 1 0 8 0 amappl3 96 1859 0 1762 4 1 3 3 0 8 0 amappl2 88 623 0 546 2 0 2 2 0 8 0 amappl1 80 9384 0 8794 14 0 14 14 0 8 1 amappl 88 3214 0 3041 5 0 5 5 0 92 0 uvmvnodes 80 1855 0 0 38 0 38 38 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 24 519 0 487 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 519 0 487 1 0 1 1 0 8 0 vmmpekpl 168 6053 0 6018 3 0 3 3 0 8 0 vmmpepl 168 40954 0 38768 96 0 96 96 0 357 0 vmsppl 488 518 0 487 5 0 5 5 0 8 1 rwobjpl 80 16498 0 13493 62 0 62 62 0 8 0 pdppl 4096 1046 0 974 100 28 72 88 0 8 0 pvpl 32 13957 0 0 114 1 113 113 0 265 0 pmappl 256 518 0 487 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 274 0 32 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837cdff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff839ded00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839ded00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7739c0ac4820, count: 7 ddb{0}> trace x86_ipi_db(ffffffff837cdff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff839ded00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839ded00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7739c0ac4820, 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(ffffffff83384170) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c5fb1,ffffffff833bfbe0,84,ffffffff83419e9a) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(6,21) at rtmap_grow+0x24f rtable_add(5) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(5) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(5,ffff800001488800) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff80000148da88,8020699f,ffff80003c41ad20,ffff8000fffe82b8) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffe82b8,ffff80003c41af00,ffff80003c41ae50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c41af00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41af00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfde022fc7f0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83384170) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c5fb1,ffffffff833bfbe0,84,ffffffff83419e9a) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(6,21) at rtmap_grow+0x24f rtable_add(5) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(5) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(5,ffff800001488800) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff80000148da88,8020699f,ffff80003c41ad20,ffff8000fffe82b8) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffe82b8,ffff80003c41af00,ffff80003c41ae50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c41af00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41af00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfde022fc7f0, count: -10