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 *267832 79605 0 0 0x4000000 1K syz-executor 254159 52624 60929 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83453ddf) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348e037,ffffffff834897fd,84,ffffffff834e2fc0) 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 route_output(fffffd806d4d6700,ffff80000159da80) at route_output+0x532 sys/net/rtsock.c:767 route_send(ffff80000159da80,fffffd806d4d6700,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff80000159da80,0,ffff800035fc4cf8,0,0,de5f5dda) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffeed10,4,ffff800035fc4df0,de5f5dda,ffff800035fc4ea0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff8000fffeed10,ffff800035fc4f50,ffff800035fc4ea0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 syscall(ffff800035fc4f50) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fc4f50) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x807e6c5b00, count: 3 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(ffffffff83453ddf) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348e037,ffffffff834897fd,84,ffffffff834e2fc0) 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 route_output(fffffd806d4d6700,ffff80000159da80) at route_output+0x532 sys/net/rtsock.c:767 route_send(ffff80000159da80,fffffd806d4d6700,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff80000159da80,0,ffff800035fc4cf8,0,0,de5f5dda) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffeed10,4,ffff800035fc4df0,de5f5dda,ffff800035fc4ea0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff8000fffeed10,ffff800035fc4f50,ffff800035fc4ea0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 syscall(ffff800035fc4f50) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fc4f50) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x807e6c5b00, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800035fc48f0 rbx 0xffff8000299bee07 rdx 0xffff8000015ec5c0 rcx 0xffff8000fffeed10 rax 0xffff8000299bdff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe2a481f4ef093415 r11 0xb4553fd4b9d0332d r12 0xffff8000299bec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81ea99a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800035fc48e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=267832 pid=79605 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=67, usrpri=67, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffeea78,0xffffffff83a36790 process=0xffff80002a39f038 user=0xffff800035fc0000, vmspace=0xfffffd806c713b88 estcpu=17, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79605 24128 5713 0 2 0 syz-executor *79605 267832 5713 0 7 0x4000000 syz-executor 15519 52405 56924 0 3 0 vmmaplk syz-executor 15519 428007 56924 0 2 0x4000000 syz-executor 52057 179035 36755 0 2 0 syz-executor 52057 385681 36755 0 2 0x4000000 syz-executor 52624 254159 50963 60929 7 0x10 syz-executor 52624 56664 50963 60929 2 0x4000010 syz-executor 52624 497655 50963 60929 3 0x4000090 fsleep syz-executor 98954 383942 0 0 3 0x14200 acct acct 50963 170127 52753 0 2 0x2 syz-executor 33085 62108 52753 0 2 0x2 syz-executor 32954 419832 52753 0 2 0x2 syz-executor 37888 205600 52753 0 2 0x2 syz-executor 56924 393347 52753 0 2 0x3 syz-executor 5713 198009 52753 0 3 0x82 nanoslp syz-executor 36755 262688 52753 0 3 0x82 nanoslp syz-executor 92395 324937 52753 0 2 0x3 syz-executor 52753 62569 35872 0 3 0x82 kqread syz-executor 35872 45462 53836 0 3 0x10008a sigsusp ksh 53836 154989 41635 0 3 0x98 kqread sshd-session 41635 257093 55677 0 3 0x92 kqread sshd-session 6281 479743 1 0 3 0x100083 ttyin getty 55677 320364 1 0 3 0x88 kqread sshd 77991 359261 48585 74 3 0x1100092 bpf pflogd 48585 119194 1 0 3 0x80 sbwait pflogd 15411 221847 56282 73 3 0x1100090 kqread syslogd 56282 710 1 0 3 0x100082 sbwait syslogd 95374 341909 1 0 3 0x100080 kqread resolvd 22755 180505 42098 77 3 0x100092 kqread dhcpleased 88842 143016 42098 77 3 0x100092 kqread dhcpleased 42098 252605 1 0 3 0x80 kqread dhcpleased 81511 151283 0 0 3 0x14200 bored smr 37884 56626 0 0 2 0x14200 zerothread 21165 43694 0 0 3 0x14200 aiodoned aiodoned 59302 482001 0 0 3 0x14200 syncer update 4274 248351 0 0 3 0x14200 cleaner cleaner 77717 247679 0 0 3 0x14200 reaper reaper 17396 274337 0 0 3 0x14200 pgdaemon pagedaemon 27505 297144 0 0 3 0x14200 bored viomb 18851 83883 0 0 3 0x40014200 acpi0 acpi0 42453 21010 0 0 3 0x40014200 idle1 88174 197583 0 0 3 0x14200 bored softnet1 2538 285496 0 0 3 0x14200 bored softnet0 75216 226683 0 0 3 0x14200 bored systqmp 85227 147008 0 0 3 0x14200 bored systq 49301 298900 0 0 3 0x14200 tmoslp softclockmp 29162 252953 0 0 3 0x40014200 tmoslp softclock 46454 119977 0 0 3 0x40014200 idle0 1 142156 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 79605 (syz-executor) thread 0xffff8000fffeed10 (267832) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a346c0) #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 route_output+0x532 sys/net/rtsock.c:767 #6 route_send+0xd7 sys/net/rtsock.c:322 #7 sosend+0x804 sys/kern/uipc_socket.c:-1 #8 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #9 sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff80000159dc68) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 15519 (syz-executor) thread 0xffff8000fffef4d8 (428007) exclusive rwlock vmmaplk r = 0 (0xfffffd806c7134e8) #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 52057 (syz-executor) thread 0xffff80003b7d3250 (385681) exclusive rwlock sbufsnd r = 0 (0xffff80000159cdb8) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 52624 (syz-executor) thread 0xffff80003b7d2028 (56664) exclusive rrwlock inode r = 0 (0xfffffd8069e877b8) #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:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x178 sys/kern/vfs_vnops.c:146 #8 sys_ktrace+0x9a sys/kern/kern_ktrace.c:551 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 Process 33085 (syz-executor) thread 0xffff8000fffee7e0 (62108) exclusive rwlock vmmaplk r = 0 (0xfffffd806c713e70) #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 (0xfffffd806f3e94d8) #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 11058 12085K 12222K 166960K 12187 0 pcb 17 12K 12K 166960K 23 0 rtable 247 8K 8K 166960K 368 0 pf 34 17K 18K 166960K 47 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1491 0 iov 0 0K 2K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 82K 166960K 1385 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 85K 166960K 202 0 proc 70 115K 163K 166960K 556 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 3 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 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 444 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 205 150K 160K 166960K 3615 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 41 82K 100K 166960K 1340 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 2K 166960K 28 0 temp 36 9070K 9135K 166960K 6092 0 kqueue 13 20K 24K 166960K 32 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 40 0 35 1 0 1 1 0 8 0 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 50 0 33 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 20 0 16 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 107 0 98 2 0 2 2 0 8 1 nd6 152 24 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 8 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 21 0 0 1 0 1 1 0 8 0 pfstkey 128 21 0 0 1 0 1 1 0 8 0 pfstate 448 21 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 40 453 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 1 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1675 0 207 92 0 92 92 0 8 0 ffsino 296 1675 0 207 114 0 114 114 0 8 0 nchpl 144 1955 0 258 64 0 64 64 0 8 0 vnodes 216 1773 0 0 99 0 99 99 0 8 0 namei 1024 6090 0 6089 3 1 2 2 0 8 1 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 6486 0 6486 4 3 1 3 1 8 1 plimitpl 152 34 0 17 1 0 1 1 0 8 0 sigapl 424 515 0 469 6 0 6 6 0 8 0 knotepl 120 304 0 0 10 0 10 10 0 8 0 kqueuepl 224 30 0 21 1 0 1 1 0 8 0 pipepl 344 123 0 96 3 0 3 3 0 8 0 fdescpl 528 499 0 469 5 1 4 4 0 8 1 filepl 160 1809 0 1595 10 1 9 10 0 8 0 lockfpl 104 16 0 14 1 0 1 1 0 8 0 lockfspl 48 9 0 7 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 144 0 130 1 0 1 1 0 8 0 zombiepl 144 470 0 470 2 1 1 1 0 8 1 processpl 1232 517 0 469 5 1 4 5 0 8 0 procpl 664 602 0 549 6 1 5 6 0 8 0 sockpl 752 200 0 169 5 1 4 4 0 8 0 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 167 0 0 11 0 11 11 0 8 0 bufpl 280 2403 0 105 165 0 165 165 0 8 0 anonpl 32 3723 0 0 31 0 31 31 0 246 0 amapchunkpl 152 10655 0 10263 37 19 18 33 0 158 1 amappl16 200 1539 0 1519 5 3 2 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 427 0 426 1 0 1 1 0 8 0 amappl13 176 130 0 118 1 0 1 1 0 8 0 amappl12 168 742 0 715 2 0 2 2 0 8 0 amappl11 160 2 0 1 1 0 1 1 0 8 0 amappl10 152 62 0 48 1 0 1 1 0 8 0 amappl9 144 282 0 282 1 1 0 1 0 8 0 amappl8 136 102 0 99 1 0 1 1 0 8 0 amappl7 128 160 0 147 1 0 1 1 0 8 0 amappl6 120 171 0 170 1 0 1 1 0 8 0 amappl5 112 85 0 75 1 0 1 1 0 8 0 amappl4 104 285 0 266 1 0 1 1 0 8 0 amappl3 96 1850 0 1757 4 1 3 3 0 8 0 amappl2 88 521 0 462 2 0 2 2 0 8 0 amappl1 80 9484 0 8888 15 2 13 15 0 8 0 amappl 88 2901 0 2765 5 1 4 4 0 92 0 uvmvnodes 80 104 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 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 498 0 469 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 498 0 469 1 0 1 1 0 8 0 vmmpekpl 168 5743 0 5710 2 0 2 2 0 8 0 vmmpepl 168 39012 0 37274 88 9 79 88 0 357 0 vmsppl 488 497 0 469 5 1 4 5 0 8 0 rwobjpl 80 13835 0 12841 24 1 23 24 0 8 0 pdppl 4096 1003 0 938 97 30 67 81 0 8 2 pvpl 32 10076 0 0 82 0 82 82 0 265 0 pmappl 256 497 0 469 3 1 2 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 272 0 36 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83894ff0) 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(ffffffff83a33ec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a33ec0) 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 end of kernel end trace frame: 0x733133b90e70, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83894ff0) 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(ffffffff83a33ec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a33ec0) 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 end of kernel end trace frame: 0x733133b90e70, count: -7 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(ffffffff83453ddf) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348e037,ffffffff834897fd,84,ffffffff834e2fc0) 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 route_output(fffffd806d4d6700,ffff80000159da80) at route_output+0x532 sys/net/rtsock.c:767 route_send(ffff80000159da80,fffffd806d4d6700,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff80000159da80,0,ffff800035fc4cf8,0,0,de5f5dda) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffeed10,4,ffff800035fc4df0,de5f5dda,ffff800035fc4ea0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff8000fffeed10,ffff800035fc4f50,ffff800035fc4ea0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 syscall(ffff800035fc4f50) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fc4f50) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x807e6c5b00, count: 3 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83453ddf) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348e037,ffffffff834897fd,84,ffffffff834e2fc0) 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 route_output(fffffd806d4d6700,ffff80000159da80) at route_output+0x532 sys/net/rtsock.c:767 route_send(ffff80000159da80,fffffd806d4d6700,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff80000159da80,0,ffff800035fc4cf8,0,0,de5f5dda) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffeed10,4,ffff800035fc4df0,de5f5dda,ffff800035fc4ea0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff8000fffeed10,ffff800035fc4f50,ffff800035fc4ea0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563 syscall(ffff800035fc4f50) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fc4f50) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x807e6c5b00, count: -12