panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 393960 99997 0 0x2 0 0 sh *205347 62885 0 0x2 0 1K ifconfig db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e8420) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309baed,ffffffff83016cf5,436,ffffffff8300dce2) at __assert+0x29 rtrequest(1,ffff800037278f08,4,ffff800037278fb0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012d0c00,840100,ffff8000012d0c58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037279210,ffff800001295000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371ba7c0,ffff8000372793f0,ffff800037279340) at sys_ioctl+0x67c syscall(ffff8000372793f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000372793f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x752c96156930, count: 4 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 "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e8420) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309baed,ffffffff83016cf5,436,ffffffff8300dce2) at __assert+0x29 rtrequest(1,ffff800037278f08,4,ffff800037278fb0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012d0c00,840100,ffff8000012d0c58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037279210,ffff800001295000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371ba7c0,ffff8000372793f0,ffff800037279340) at sys_ioctl+0x67c syscall(ffff8000372793f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000372793f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x752c96156930, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037278d00 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000371ba7c0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3b02f1f52792ab08 r11 0x2bebc8708eb86146 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82e2ed95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037278cf0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (ifconfig) tid=205347 pid=62885 tcnt=1 stat=onproc flags process=2 proc=0 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371baa48,0xffff80002a14bc18 process=0xffff8000371cd240 user=0xffff800037274000, vmspace=0xfffffd806bc4ac10 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99997 393960 40186 0 7 0x2 sh *62885 205347 86336 0 7 0x2 ifconfig 97668 405022 82028 0 3 0x2 clonelk ifconfig 86336 147804 94424 0 3 0x10008a sigsusp sh 82028 379214 21884 0 3 0x10008a sigsusp sh 21884 343309 91406 0 3 0x82 wait syz-executor 94424 58525 91406 0 3 0x82 wait syz-executor 40186 403138 91406 0 3 0x82 wait syz-executor 98876 469319 1 0 3 0x100083 ttyin getty 96349 98376 91406 0 3 0x82 piperd syz-executor 39676 293966 91406 0 3 0x82 piperd syz-executor 76768 208387 91406 0 3 0x82 piperd syz-executor 47659 373403 91406 0 3 0x82 piperd syz-executor 55075 38093 0 0 3 0x14280 nfsidl nfsio 16439 66597 0 0 3 0x14280 nfsidl nfsio 6141 326728 0 0 3 0x14280 nfsidl nfsio 84521 471102 0 0 3 0x14280 nfsidl nfsio 37852 195767 0 0 3 0x14280 nfsidl nfsio 59688 497327 0 0 3 0x14280 nfsidl nfsio 44865 320105 0 0 3 0x14280 nfsidl nfsio 53140 315744 0 0 3 0x14280 nfsidl nfsio 80027 464089 0 0 3 0x14280 nfsidl nfsio 15118 346680 0 0 3 0x14280 nfsidl nfsio 47917 8497 0 0 3 0x14280 nfsidl nfsio 92104 120381 0 0 3 0x14280 nfsidl nfsio 75826 48228 0 0 3 0x14280 nfsidl nfsio 73467 261475 0 0 3 0x14280 nfsidl nfsio 5267 140199 0 0 3 0x14280 nfsidl nfsio 67060 18388 0 0 3 0x14280 nfsidl nfsio 2869 500429 0 0 3 0x14280 nfsidl nfsio 21513 339263 0 0 3 0x14280 nfsidl nfsio 77980 312261 0 0 3 0x14280 nfsidl nfsio 28100 107792 0 0 3 0x14280 nfsidl nfsio 63640 500101 0 0 3 0x14200 bored sosplice 91406 29952 6905 0 3 0x82 wait syz-executor 6905 458883 73336 0 3 0x10008a sigsusp ksh 73336 521396 88673 0 3 0x98 kqread sshd-session 88673 173713 27986 0 3 0x92 kqread sshd-session 27986 68550 1 0 3 0x88 kqread sshd 27363 345130 87235 74 3 0x1100092 bpf pflogd 87235 288351 1 0 3 0x80 sbwait pflogd 67232 500226 26633 73 3 0x1100010 biowait syslogd 26633 176078 1 0 3 0x100082 sbwait syslogd 16015 225977 1 0 3 0x100080 kqread resolvd 91121 290623 4010 77 3 0x100092 kqread dhcpleased 32129 345571 4010 77 3 0x100092 kqread dhcpleased 4010 172342 1 0 3 0x80 kqread dhcpleased 36008 499055 0 0 3 0x14200 bored smr 24718 397073 0 0 2 0x14200 zerothread 76885 92751 0 0 3 0x14200 aiodoned aiodoned 49283 491975 0 0 3 0x14200 syncer update 31747 353261 0 0 3 0x14200 cleaner cleaner 67837 421201 0 0 3 0x14200 reaper reaper 62813 113938 0 0 3 0x14200 pgdaemon pagedaemon 62057 282789 0 0 3 0x14200 bored viomb 47248 164907 0 0 3 0x40014200 acpi0 acpi0 78231 399730 0 0 3 0x40014200 idle1 40023 366296 0 0 3 0x14200 bored softnet3 22384 369328 0 0 3 0x14200 bored softnet2 11574 410474 0 0 3 0x14200 bored softnet1 52336 169585 0 0 3 0x14200 bored softnet0 8928 245284 0 0 3 0x14200 bored systqmp 89118 187043 0 0 3 0x14200 bored systq 65116 384033 0 0 3 0x14200 tmoslp softclockmp 48769 370174 0 0 3 0x40014200 tmoslp softclock 62507 317163 0 0 3 0x40014200 idle0 1 66405 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 62885 (ifconfig) thread 0xffff8000371ba7c0 (205347) exclusive rwlock netlock r = 0 (0xffffffff8349ce70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 in_ioctl_change_ifaddr+0xbe sys/netinet/in.c:413 #2 ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] #2 ifioctl+0x1571 sys/net/if.c:2449 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff835771f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 ifioctl+0x47f sys/net/if.c:2096 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 67232 (syslogd) thread 0xffff8000ffffdbe8 (500226) exclusive rrwlock inode r = 0 (0xfffffd806e3f5700) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 11129K 11582K 166960K 12987 0 pcb 17 18K 20K 166960K 433 0 rtable 180 6K 9K 166960K 913 0 pf 34 17K 25K 166960K 124 0 ifaddr 37 6K 8K 166960K 133 0 ifgroup 55 2K 2K 166960K 167 0 sysctl 4 1K 1K 166960K 6 0 counters 64 36K 37K 166960K 122 0 ioctlops 0 0K 4K 166960K 1611 0 iov 0 0K 28K 166960K 66 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1495 94K 95K 166960K 2718 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 3 1K 1K 166960K 4 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 15 53K 93K 166960K 1413 0 sigio 0 0K 0K 166960K 40 0 proc 86 116K 152K 166960K 1132 0 subproc 104 6K 6K 166960K 338 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 146 0 in_multi 61 4K 7K 166960K 305 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 749 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 191 72K 92K 166960K 13844 0 UVM aobj 40 2K 2K 166960K 42 0 pinsyscall 40 80K 102K 166960K 2939 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 63 0 NDP 12 0K 1K 166960K 91 0 temp 80 6824K 6913K 166960K 69383 0 kqueue 13 20K 30K 166960K 182 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 157 0 154 2 1 1 2 0 8 0 rtentry 112 307 0 227 4 0 4 4 0 8 0 unpcb 144 1549 0 1532 14 11 3 6 0 8 2 syncache 336 7 0 7 5 5 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 417 0 413 16 14 2 7 0 8 1 arp 120 51 0 34 1 0 1 1 0 8 0 inpcb 336 1692 0 1683 21 16 5 9 0 8 4 nd6 136 78 0 62 1 0 1 1 0 8 0 pkpcb 40 8 0 8 2 2 0 1 0 8 0 kcovpl 48 26 0 18 1 0 1 1 0 8 0 ppxss 1168 6 0 6 3 3 0 1 0 8 0 pffrag 232 33 0 22 1 0 1 1 0 482 0 pffrnode 88 30 0 20 1 0 1 1 0 8 0 pffrent 40 106 0 95 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 113 0 45 1 0 1 1 0 8 0 pfstkey 128 113 0 45 3 0 3 3 0 8 0 pfstate 376 113 0 45 8 0 8 8 0 8 0 pfrule 1344 23 0 16 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1262 0 983 33 6 27 30 0 8 0 art_table 32 1264 0 983 4 0 4 4 0 8 0 art_node 16 303 0 236 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 10 1 0 1 1 0 8 0 semapl 112 2 0 1 1 0 1 1 0 8 0 shmpl 112 39 0 2 2 0 2 2 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3483 0 1949 97 0 97 97 0 8 0 ffsino 272 3483 0 1949 103 0 103 103 0 8 0 nchpl 144 5214 0 4696 64 26 38 64 0 8 13 uvmvnodes 80 4564 0 0 94 0 94 94 0 8 0 vnodes 216 4564 0 0 254 0 254 254 0 8 0 namei 1024 19100 0 19100 3 2 1 1 0 8 1 percpumem 16 75 0 29 1 0 1 1 0 8 0 kstatmem 264 82 0 58 3 1 2 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 29074 0 29073 13 12 1 8 1 8 0 plimitpl 152 233 0 216 1 0 1 1 0 8 0 sigapl 424 1705 0 1637 9 0 9 9 0 8 0 futexpl 64 16131 0 16131 2 1 1 1 0 8 1 knotepl 120 573 0 0 17 0 17 17 0 8 0 kqueuepl 216 383 0 374 5 4 1 3 0 8 0 pipepl 320 437 0 410 9 6 3 6 0 8 0 fdescpl 496 1666 0 1637 5 0 5 5 0 8 0 filepl 152 10687 0 10448 25 12 13 18 0 8 2 lockfpl 104 718 0 716 3 2 1 2 0 8 0 lockfspl 48 301 0 299 1 0 1 1 0 8 0 sessionpl 144 46 0 37 1 0 1 1 0 8 0 pgrppl 48 92 0 75 1 0 1 1 0 8 0 ucredpl 104 1377 0 1363 1 0 1 1 0 8 0 zombiepl 144 1638 0 1637 2 1 1 1 0 8 0 processpl 1160 1705 0 1637 7 1 6 6 0 8 0 procpl 648 3437 0 3369 8 0 8 8 0 8 0 srpgc 96 9 0 9 2 2 0 1 0 8 0 sosppl 168 9 0 9 2 2 0 1 0 8 0 sockpl 664 3429 0 3400 33 25 8 15 0 8 5 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 142 0 0 18 0 18 18 0 8 0 mcl2k 2048 42 0 0 5 0 5 5 0 8 0 mtagpl 96 96 0 0 3 0 3 3 0 8 0 mbufpl 256 434 0 0 26 0 26 26 0 8 0 bufpl 280 9017 0 2860 442 0 442 442 0 8 0 anonpl 24 312531 0 307310 85 20 65 68 0 185 10 amapchunkpl 152 46603 0 46179 54 16 38 38 0 158 12 amappl16 200 6853 0 6810 36 25 11 18 0 8 4 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 156 0 144 1 0 1 1 0 8 0 amappl13 176 20 0 20 1 1 0 1 0 8 0 amappl12 168 2570 0 2541 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 139 0 139 1 1 0 1 0 8 0 amappl8 136 41 0 38 1 0 1 1 0 8 0 amappl7 128 139 0 127 1 0 1 1 0 8 0 amappl6 120 334 0 328 1 0 1 1 0 8 0 amappl5 112 207 0 194 1 0 1 1 0 8 0 amappl4 104 381 0 360 1 0 1 1 0 8 0 amappl3 96 9233 0 9160 5 1 4 4 0 8 0 amappl2 88 947 0 874 2 0 2 2 0 8 0 amappl1 80 13114 0 12538 15 1 14 14 0 8 0 amappl 88 13200 0 13071 5 0 5 5 0 92 0 dma16384 16384 2 0 2 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 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 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 41 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1666 0 1637 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1666 0 1637 1 0 1 1 0 8 0 vmmpekpl 168 15272 0 15218 4 0 4 4 0 8 0 vmmpepl 168 108710 0 107094 111 18 93 98 0 357 5 vmsppl 440 1665 0 1637 6 2 4 5 0 8 0 rwobjpl 56 36673 0 31121 80 0 80 80 0 8 0 pdppl 4096 3339 0 3274 121 50 71 85 0 8 6 pvpl 32 30446 0 0 246 0 246 246 0 265 0 pmappl 248 1665 0 1637 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 464 0 100 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8343eff0) 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(ffffffff83576fe8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003727f580,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff80003727f8b0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003727f8b0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c3b4d7eb700, count: 2 ddb{0}> trace x86_ipi_db(ffffffff8343eff0) 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(ffffffff83576fe8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003727f580,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff80003727f8b0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003727f8b0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c3b4d7eb700, count: -13 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:437 panic(ffffffff830e8420) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309baed,ffffffff83016cf5,436,ffffffff8300dce2) at __assert+0x29 rtrequest(1,ffff800037278f08,4,ffff800037278fb0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012d0c00,840100,ffff8000012d0c58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037279210,ffff800001295000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371ba7c0,ffff8000372793f0,ffff800037279340) at sys_ioctl+0x67c syscall(ffff8000372793f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000372793f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x752c96156930, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e8420) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309baed,ffffffff83016cf5,436,ffffffff8300dce2) at __assert+0x29 rtrequest(1,ffff800037278f08,4,ffff800037278fb0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012d0c00,840100,ffff8000012d0c58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001295000,ffff8000012d0c00,ffff800037279220,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037279210,ffff800001295000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800001288a70,8040691a,ffff800037279210,ffff8000371ba7c0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371ba7c0,ffff8000372793f0,ffff800037279340) at sys_ioctl+0x67c syscall(ffff8000372793f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000372793f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x752c96156930, count: -11