panic: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 131 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *110083 89391 0 0 0x4000000 0K syz-executor 299274 71928 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e6f6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309b68a,ffffffff82fd93b9,83,ffffffff830d97d2) at __assert+0x29 rtable_init() at rtable_init rtable_add(16) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:373 [inline] rtable_add(16) at rtable_add+0x2d9 sys/net/rtable.c:222 if_createrdomain(16,ffff8000011c0000) at if_createrdomain+0x40 sys/net/if.c:1947 ifioctl(ffff80000128a560,8020699f,ffff80002a0b6d50,ffff80002a144ce8) at ifioctl+0x1a1e sys/net/if.c:2296 sys_ioctl(ffff80002a144ce8,ffff80002a0b6f30,ffff80002a0b6e80) at sys_ioctl+0x67c syscall(ffff80002a0b6f30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6f30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6c60ed09380, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 131 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e6f6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309b68a,ffffffff82fd93b9,83,ffffffff830d97d2) at __assert+0x29 rtable_init() at rtable_init rtable_add(16) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:373 [inline] rtable_add(16) at rtable_add+0x2d9 sys/net/rtable.c:222 if_createrdomain(16,ffff8000011c0000) at if_createrdomain+0x40 sys/net/if.c:1947 ifioctl(ffff80000128a560,8020699f,ffff80002a0b6d50,ffff80002a144ce8) at ifioctl+0x1a1e sys/net/if.c:2296 sys_ioctl(ffff80002a144ce8,ffff80002a0b6f30,ffff80002a0b6e80) at sys_ioctl+0x67c syscall(ffff80002a0b6f30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6f30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6c60ed09380, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0b6a70 rbx 0xffffffff83448d87 cpu_info_full_primary+0x2d87 rdx 0 rcx 0xffff80002a144ce8 rax 0xffffffff83447ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0xcfc0c231ef44ab28 r11 0x156f16cb0d9f5c84 r12 0xffffffff83448b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff81c71be5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0b6a60 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=110083 pid=89391 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=82, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371ca540,0xffff80002a145c28 process=0xffff8000fffe8488 user=0xffff80002a0b1000, vmspace=0xfffffd806c9b1540 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14380 458765 39787 0 2 0 syz-executor 14380 238950 39787 0 2 0x4000000 syz-executor 1883 405338 46269 0 2 0 syz-executor 72674 183902 46004 0 2 0 syz-executor 72674 1158 46004 0 2 0x4000000 syz-executor 43099 221510 92851 0 2 0 syz-executor 43099 127929 92851 0 3 0x4000080 fsleep syz-executor 43099 261158 92851 0 3 0x4000080 fsleep syz-executor 89391 204400 34766 0 2 0 syz-executor *89391 110083 34766 0 7 0x4000000 syz-executor 89391 142644 34766 0 2 0x4000000 syz-executor 28230 71424 71928 0 2 0 syz-executor 28230 14316 71928 0 3 0x4000080 sbwait syz-executor 28230 474012 71928 0 3 0x4000080 sbwait syz-executor 28230 388663 71928 0 2 0x4000000 syz-executor 28230 358217 71928 0 3 0x4000080 fsleep syz-executor 63827 225666 97540 0 2 0 syz-executor 63827 130550 97540 0 2 0x4000000 syz-executor 63827 438269 97540 0 3 0x4000080 fsleep syz-executor 63827 126254 97540 0 3 0x4000080 fsleep syz-executor 41231 8428 1 0 3 0x100083 ttyin getty 65085 52230 0 0 3 0x14200 acct acct 46269 497400 49407 0 2 0x482 syz-executor 71928 299274 49407 0 7 0x2 syz-executor 97540 178227 49407 0 3 0x82 nanoslp syz-executor 46004 508310 49407 0 2 0x482 syz-executor 92851 207704 49407 0 2 0x482 syz-executor 39787 445538 49407 0 2 0x482 syz-executor 55415 84552 49407 0 2 0x2 syz-executor 34766 306716 49407 0 2 0x2 syz-executor 64872 216807 0 0 3 0x14280 nfsidl nfsio 27055 331319 0 0 3 0x14280 nfsidl nfsio 61143 54100 0 0 3 0x14280 nfsidl nfsio 21139 420743 0 0 3 0x14280 nfsidl nfsio 58638 491715 0 0 3 0x14280 nfsidl nfsio 19044 466147 0 0 3 0x14280 nfsidl nfsio 86422 469222 0 0 3 0x14280 nfsidl nfsio 25265 447666 0 0 3 0x14280 nfsidl nfsio 91487 293740 0 0 3 0x14280 nfsidl nfsio 74421 13077 0 0 3 0x14280 nfsidl nfsio 45068 186805 0 0 3 0x14280 nfsidl nfsio 73354 338111 0 0 3 0x14280 nfsidl nfsio 58699 127171 0 0 3 0x14280 nfsidl nfsio 19183 90865 0 0 3 0x14280 nfsidl nfsio 18503 91637 0 0 3 0x14280 nfsidl nfsio 79901 451303 0 0 3 0x14280 nfsidl nfsio 48109 104287 0 0 3 0x14280 nfsidl nfsio 42439 387187 0 0 3 0x14280 nfsidl nfsio 23024 183841 0 0 3 0x14280 nfsidl nfsio 56731 160551 0 0 3 0x14280 nfsidl nfsio 81288 169638 0 0 3 0x14200 bored sosplice 49407 175878 8424 0 3 0x82 kqread syz-executor 8424 383440 1675 0 3 0x10008a sigsusp ksh 1675 21547 96651 0 3 0x98 kqread sshd-session 96651 505492 31919 0 3 0x92 kqread sshd-session 31919 396098 1 0 3 0x88 kqread sshd 76433 185047 48135 74 3 0x1100092 bpf pflogd 48135 484368 1 0 3 0x80 sbwait pflogd 53428 10364 37090 73 3 0x1100090 kqread syslogd 37090 396434 1 0 3 0x100082 sbwait syslogd 93650 77260 1 0 3 0x100080 kqread resolvd 64295 334484 13314 77 3 0x100092 kqread dhcpleased 93789 371894 13314 77 3 0x100092 kqread dhcpleased 13314 15983 1 0 3 0x80 kqread dhcpleased 86424 457323 0 0 3 0x14200 bored smr 5439 195840 0 0 3 0x14200 pgzero zerothread 7270 268507 0 0 3 0x14200 aiodoned aiodoned 87801 138089 0 0 3 0x14200 syncer update 60667 458816 0 0 3 0x14200 cleaner cleaner 13894 116115 0 0 3 0x14200 reaper reaper 27122 229137 0 0 3 0x14200 pgdaemon pagedaemon 89214 520518 0 0 3 0x14200 bored viomb 36508 307935 0 0 3 0x40014200 acpi0 acpi0 63521 246982 0 0 3 0x40014200 idle1 98421 257007 0 0 3 0x14200 bored softnet3 93516 6761 0 0 3 0x14200 bored softnet2 25147 520623 0 0 3 0x14200 bored softnet1 23295 432921 0 0 3 0x14200 bored softnet0 18885 224052 0 0 3 0x14200 bored systqmp 92283 424646 0 0 3 0x14200 bored systq 80390 356366 0 0 3 0x14200 tmoslp softclockmp 31276 237937 0 0 2 0x40014200 softclock 2316 149401 0 0 3 0x40014200 idle0 1 317922 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 14380 (syz-executor) thread 0xffff8000ffff6a40 (238950) exclusive rwlock vmmaplk r = 0 (0xfffffd806bfc7988) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 #5 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 89391 (syz-executor) thread 0xffff80002a144ce8 (110083) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff83595868) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 malloc+0xe5 sys/kern/kern_malloc.c:170 #5 rtmap_grow+0xb2 sys/net/rtable.c:126 #6 rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:373 [inline] #6 rtable_add+0x2d9 sys/net/rtable.c:222 #7 if_createrdomain+0x40 sys/net/if.c:1947 #8 ifioctl+0x1a1e sys/net/if.c:2296 #9 sys_ioctl+0x67c #10 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 10171K 10888K 166960K 14015 0 pcb 17 17K 19K 166960K 279 0 rtable 216 7K 7K 166960K 2246 0 pf 36 18K 25K 166960K 226 0 ifaddr 42 8K 9K 166960K 308 0 ifgroup 55 2K 2K 166960K 342 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 224 0 ioctlops 0 0K 8K 166960K 1687 0 iov 0 0K 16K 166960K 116 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 89K 166960K 3361 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 14 6K 6K 166960K 16 0 dirhash 15 2K 3K 166960K 39 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 89K 166960K 2414 0 sigio 0 0K 0K 166960K 27 0 proc 73 91K 128K 166960K 2234 0 subproc 104 6K 7K 166960K 871 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 142 0 in_multi 96 7K 7K 166960K 756 0 ether_multi 1 0K 0K 166960K 12 0 mrt 2 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 1366 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 246 83K 91K 166960K 20769 0 UVM aobj 46 6K 6K 166960K 47 0 pinsyscall 42 84K 104K 166960K 4972 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 86 0 NDP 12 0K 1K 166960K 221 0 temp 73 6823K 7446K 166960K 85164 0 kqueue 13 20K 28K 166960K 232 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 321 0 318 3 2 1 3 0 8 0 rtentry 112 759 0 661 4 1 3 4 0 8 0 unpcb 144 1254 0 1232 17 14 3 6 0 8 1 syncache 336 10 0 10 7 6 1 1 0 8 1 tcpqe 32 7 0 7 5 4 1 1 0 8 1 tcpcb 808 560 0 553 23 22 1 11 0 8 0 arp 120 136 0 118 1 0 1 1 0 8 0 inpcb 336 2098 0 2087 38 31 7 10 0 8 5 nd6 136 200 0 175 1 0 1 1 0 8 0 pkpcb 40 7 0 7 4 4 0 1 0 8 0 kcovpl 48 67 0 59 1 0 1 1 0 8 0 ppxss 1168 18 0 18 6 6 0 1 0 8 0 pfstscr 40 3 0 3 2 2 0 1 0 8 0 pffrag 232 7 0 5 2 1 1 1 0 482 0 pffrnode 88 7 0 5 2 1 1 1 0 8 0 pffrent 40 56 0 54 2 1 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 189 0 140 1 0 1 1 0 8 0 pfstkey 128 192 0 143 2 0 2 2 0 8 0 pfstate 376 191 0 143 5 0 5 5 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3090 0 2674 34 6 28 31 0 8 0 art_table 32 3091 0 2674 4 0 4 4 0 8 0 art_node 16 757 0 669 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 12 0 0 1 0 1 1 0 8 0 shmpl 112 44 0 1 2 0 2 2 0 8 0 dirhash 1024 35 0 16 3 0 3 3 0 8 0 dino2pl 256 4104 0 2488 102 0 102 102 0 8 0 ffsino 272 4104 0 2488 109 0 109 109 0 8 0 nchpl 144 6226 0 4463 66 0 66 66 0 8 0 uvmvnodes 80 5740 0 0 118 0 118 118 0 8 0 vnodes 216 5740 0 0 319 0 319 319 0 8 0 namei 1024 26652 0 26651 9 8 1 2 0 8 0 percpumem 16 126 0 80 1 0 1 1 0 8 0 kstatmem 264 184 0 160 2 0 2 2 0 8 0 scsiplug 72 3 0 3 3 3 0 1 0 8 0 scxspl 216 46537 0 46537 11 10 1 8 1 8 1 plimitpl 152 388 0 369 1 0 1 1 0 8 0 sigapl 424 2624 0 2553 10 1 9 9 0 8 0 futexpl 64 20662 0 20657 5 4 1 1 0 8 0 knotepl 120 618 0 0 17 0 17 17 0 8 0 kqueuepl 216 578 0 566 9 8 1 5 0 8 0 pipepl 320 518 0 491 11 3 8 8 0 8 5 fdescpl 496 2583 0 2552 10 5 5 5 0 8 0 filepl 152 13940 0 13688 40 22 18 18 0 8 7 lockfpl 104 550 0 547 2 0 2 2 0 8 1 lockfspl 48 192 0 189 1 0 1 1 0 8 0 sessionpl 144 85 0 76 1 0 1 1 0 8 0 pgrppl 48 173 0 156 1 0 1 1 0 8 0 ucredpl 104 2128 0 2115 1 0 1 1 0 8 0 zombiepl 144 2793 0 2793 1 0 1 1 0 8 1 processpl 1160 2625 0 2553 6 0 6 6 0 8 0 procpl 648 5017 0 4932 9 1 8 8 0 8 0 sosppl 168 4 0 4 4 4 0 1 0 8 0 sockpl 664 3703 0 3666 57 48 9 15 0 8 5 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 268 0 0 32 1 31 32 0 8 0 mtagpl 96 79 0 0 2 0 2 2 0 8 0 mbufpl 256 445 0 0 22 0 22 22 0 8 0 bufpl 280 11165 0 5019 442 0 442 442 0 8 0 anonpl 24 402611 0 394041 184 118 66 81 0 185 13 amapchunkpl 152 67595 0 66802 69 36 33 42 0 158 0 amappl16 200 7467 0 7441 76 73 3 27 0 8 0 amappl15 192 16 0 16 1 1 0 1 0 8 0 amappl14 184 243 0 231 1 0 1 1 0 8 0 amappl13 176 5 0 5 2 2 0 1 0 8 0 amappl12 168 4143 0 4112 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 1 0 1 0 8 0 amappl9 144 139 0 138 1 0 1 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 231 0 219 1 0 1 1 0 8 0 amappl6 120 727 0 726 1 0 1 1 0 8 0 amappl5 112 366 0 353 1 0 1 1 0 8 0 amappl4 104 500 0 480 1 0 1 1 0 8 0 amappl3 96 13372 0 13253 4 0 4 4 0 8 0 amappl2 88 1518 0 1449 2 0 2 2 0 8 0 amappl1 80 19061 0 18493 17 2 15 15 0 8 0 amappl 88 19847 0 19664 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 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 dma512 512 1 0 1 1 1 0 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 46 0 1 1 0 1 1 0 8 0 uaddrrnd 24 2583 0 2552 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2583 0 2552 1 0 1 1 0 8 0 vmmpekpl 168 22044 0 21987 4 0 4 4 0 8 0 vmmpepl 168 162765 0 160899 136 50 86 100 0 357 1 vmsppl 440 2582 0 2552 6 2 4 5 0 8 0 rwobjpl 56 51680 0 44944 98 2 96 96 0 8 0 pdppl 4096 5173 0 5104 188 117 71 83 0 8 2 pvpl 32 41208 0 0 331 0 331 331 0 265 0 pmappl 248 2582 0 2552 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 586 0 201 13 1 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e6f6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309b68a,ffffffff82fd93b9,83,ffffffff830d97d2) at __assert+0x29 rtable_init() at rtable_init rtable_add(16) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:373 [inline] rtable_add(16) at rtable_add+0x2d9 sys/net/rtable.c:222 if_createrdomain(16,ffff8000011c0000) at if_createrdomain+0x40 sys/net/if.c:1947 ifioctl(ffff80000128a560,8020699f,ffff80002a0b6d50,ffff80002a144ce8) at ifioctl+0x1a1e sys/net/if.c:2296 sys_ioctl(ffff80002a144ce8,ffff80002a0b6f30,ffff80002a0b6e80) at sys_ioctl+0x67c syscall(ffff80002a0b6f30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6f30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6c60ed09380, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83595660) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83595660) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a110700) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110700) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ee6825d71e0, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83595660) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83595660) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a110700) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110700) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ee6825d71e0, count: -6