panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1089 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 7138 71787 0 0 0x4000000 1K syz-executor 208589 44293 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9c71) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f9767,ffffffff8347ebac,441,ffffffff83526f35) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3cce28,4) at rt_hash rt_ifa_add(ffff800001607900,840100,ffff800001607968,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb in_insert_prefix sys/netinet/in.c:789 [inline] in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb sys/netinet/in.c:722 in_ioctl_set_ifaddr(8020690c,ffff80003c3cd110,ffff800001602000) at in_ioctl_set_ifaddr+0x349 sys/netinet/in.c:405 ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 sys/net/if.c:2554 sys_ioctl(ffff800038ba8fb0,ffff80003c3cd2f0,ffff80003c3cd240) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3cd2f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3cd2f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14dde0e5490, 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 1089 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9c71) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f9767,ffffffff8347ebac,441,ffffffff83526f35) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3cce28,4) at rt_hash rt_ifa_add(ffff800001607900,840100,ffff800001607968,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb in_insert_prefix sys/netinet/in.c:789 [inline] in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb sys/netinet/in.c:722 in_ioctl_set_ifaddr(8020690c,ffff80003c3cd110,ffff800001602000) at in_ioctl_set_ifaddr+0x349 sys/netinet/in.c:405 ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 sys/net/if.c:2554 sys_ioctl(ffff800038ba8fb0,ffff80003c3cd2f0,ffff80003c3cd240) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3cd2f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3cd2f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14dde0e5490, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3ccc20 rbx 0xffff80002998ee07 rdx 0xffff80000002a740 rcx 0xffff800038ba8fb0 rax 0xffff80002998dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf22b1293e52c0040 r11 0x3463ca87074999b8 r12 0xffff80002998ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82138545 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3ccc10 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=7138 pid=71787 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033783780,0xffff800038ba9cb8 process=0xffff80003c3c4e90 user=0xffff80003c3c8000, vmspace=0xfffffb806d0007a8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54359 184468 82664 0 2 0 syz-executor 54359 353960 82664 0 3 0x4000080 fsleep syz-executor 71787 284332 88935 0 2 0 syz-executor 71787 58679 88935 0 3 0x4000080 kqsel syz-executor *71787 7138 88935 0 7 0x4000000 syz-executor 68297 163131 44293 0 2 0 syz-executor 68297 41918 44293 0 3 0x4000080 fifor syz-executor 68297 167004 44293 0 3 0x4000080 fsleep syz-executor 68297 29189 44293 0 3 0x4000080 fsleep syz-executor 50412 179761 77197 0 3 0x82 wait syz-executor 63864 387780 77197 0 3 0x82 piperd syz-executor 60752 71771 77197 0 3 0x82 piperd syz-executor 87331 475725 77197 0 3 0x2 biowait syz-executor 44293 208589 77197 0 7 0x3 syz-executor 88935 19258 77197 0 3 0x82 nanoslp syz-executor 82664 496435 77197 0 3 0x82 nanoslp syz-executor 77197 310351 37286 0 3 0x82 wait syz-executor 37286 186599 12111 0 3 0x10008a sigsusp ksh 12111 99458 59811 0 3 0x98 kqread sshd-session 59811 512404 32420 0 3 0x92 kqread sshd-session 12160 124013 1 0 3 0x100083 ttyopn getty 32420 123213 1 0 3 0x88 kqread sshd 44390 96557 84933 74 3 0x1100092 bpf pflogd 84933 105137 1 0 3 0x80 sbwait pflogd 44844 184841 36919 73 3 0x1100090 kqread syslogd 36919 82765 1 0 3 0x100082 sbwait syslogd 14958 194603 1 0 3 0x100080 kqread resolvd 16094 467232 15241 77 3 0x100092 kqread dhcpleased 54397 407147 15241 77 3 0x100092 kqread dhcpleased 15241 299426 1 0 3 0x80 kqread dhcpleased 6399 372844 0 0 3 0x14200 bored smr 78657 56043 0 0 2 0x14200 zerothread 94778 171484 0 0 3 0x14200 aiodoned aiodoned 27898 325185 0 0 3 0x14200 syncer update 14708 185912 0 0 3 0x14200 cleaner cleaner 83329 364958 0 0 3 0x14200 reaper reaper 31638 236824 0 0 3 0x14200 pgdaemon pagedaemon 95369 216656 0 0 3 0x14200 bored viomb 67343 43254 0 0 3 0x40014200 acpi0 acpi0 60822 11442 0 0 3 0x40014200 idle1 66631 511123 0 0 3 0x14200 bored softnet1 97797 179994 0 0 3 0x14200 bored softnet0 18138 108700 0 0 2 0x14200 systqmp 24975 441875 0 0 3 0x14200 bored systq 96530 478325 0 0 3 0x14200 tmoslp softclockmp 43670 495367 0 0 3 0x40014200 tmoslp softclock 69650 93039 0 0 3 0x40014200 idle0 1 372206 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 71787 (syz-executor) thread 0xffff800038ba8fb0 (7138) exclusive rwlock netlock r = 0 (0xffffffff8390d000) #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 in_ioctl_set_ifaddr+0xbb sys/netinet/in.c:376 #3 ifioctl+0x1714 pru_control sys/sys/protosw.h:353 [inline] #3 ifioctl+0x1714 sys/net/if.c:2554 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff83a751c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 ifioctl+0x47f if_unit sys/net/if.c:-1 [inline] #1 ifioctl+0x47f sys/net/if.c:2195 #2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #4 Xsyscall+0x128 Process 87331 (syz-executor) thread 0xffff807ffffefa08 (475725) exclusive rrwlock inode r = 0 (0xfffffb806c20c368) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3062 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffb806a810308) #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+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11065 12151K 12410K 166960K 12377 0 pcb 17 13K 14K 166960K 108 0 rtable 223 7K 12K 166960K 451 0 pf 35 17K 24K 166960K 94 0 ifaddr 39 6K 7K 166960K 53 0 ifgroup 51 2K 2K 166960K 71 0 sysctl 2 1K 9K 166960K 7 0 counters 68 36K 37K 166960K 86 0 ioctlops 0 0K 4K 166960K 1563 0 iov 0 0K 16K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1359 85K 85K 166960K 1579 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 93K 166960K 344 0 proc 71 115K 164K 166960K 573 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 36 0 in_multi 88 6K 7K 166960K 107 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 402 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 210 158K 169K 166960K 4992 0 UVM aobj 10 2K 2K 166960K 11 0 pinsyscall 39 78K 104K 166960K 1500 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 11 0K 2K 166960K 33 0 temp 49 9116K 9146K 166960K 19519 0 kqueue 13 20K 30K 166960K 64 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 51 0 48 1 0 1 1 0 8 0 rtentry 176 125 0 27 6 0 6 6 0 8 0 unpcb 144 137 0 118 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 47 0 42 1 0 1 1 0 8 0 arp 136 21 0 5 1 0 1 1 0 8 0 inpcb 328 249 0 239 4 0 4 4 0 8 3 nd6 152 27 0 5 2 0 2 2 0 8 1 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 6 0 6 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 9 0 6 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 pfrktable 1344 20 0 20 1 0 1 1 0 8 1 pfanchor 1288 2 0 2 1 0 1 1 0 8 1 pftag 88 3 0 2 1 0 1 1 0 8 0 pfqueue 320 3 0 2 1 0 1 1 0 8 0 pfstitem 24 43 0 0 1 0 1 1 0 8 0 pfstkey 128 45 0 2 2 0 2 2 0 8 0 pfstate 448 43 0 1 5 0 5 5 0 8 0 pfrule 1360 25 0 19 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 256 534 0 91 34 0 34 34 0 8 3 art_table 40 535 0 91 6 0 6 6 0 8 0 art_node 32 125 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 0 1 0 1 1 0 8 0 semapl 72 15 0 5 1 0 1 1 0 8 0 shmpl 112 8 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1950 0 482 93 0 93 93 0 8 0 ffsino 296 1950 0 482 114 0 114 114 0 8 0 nchpl 144 2435 0 735 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 2200 0 0 123 0 123 123 0 8 0 namei 1024 7504 0 7503 1 0 1 1 0 8 0 percpumem 16 58 0 9 1 0 1 1 0 8 0 pfiaddrpl 120 6 0 6 1 0 1 1 0 8 1 kstatmem 264 37 0 12 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8366 0 8365 3 2 1 2 1 8 0 plimitpl 152 60 0 42 1 0 1 1 0 8 0 sigapl 424 661 0 617 7 0 7 7 0 8 1 knotepl 120 297 0 0 9 0 9 9 0 8 0 kqueuepl 224 85 0 75 1 0 1 1 0 8 0 pipepl 344 135 0 108 3 0 3 3 0 8 0 fdescpl 528 645 0 617 3 0 3 3 0 8 0 filepl 160 2846 0 2630 16 0 16 16 0 8 6 lockfpl 104 114 0 112 1 0 1 1 0 8 0 lockfspl 48 45 0 43 1 0 1 1 0 8 0 sessionpl 144 64 0 55 1 0 1 1 0 8 0 pgrppl 48 73 0 56 1 0 1 1 0 8 0 ucredpl 104 327 0 313 1 0 1 1 0 8 0 zombiepl 144 619 0 617 1 0 1 1 0 8 0 processpl 1232 661 0 617 5 0 5 5 0 8 0 procpl 664 1046 0 996 6 0 6 6 0 8 0 sockpl 752 445 0 413 7 0 7 7 0 8 3 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 175 0 0 11 0 11 11 0 8 0 bufpl 272 2962 0 106 191 0 191 191 0 8 0 anonpl 32 5453 0 0 44 0 44 44 0 115 0 amapchunkpl 152 14903 0 14500 25 0 25 25 0 158 6 amappl16 200 1805 0 1778 5 1 4 5 0 8 1 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 429 0 428 1 0 1 1 0 8 0 amappl13 176 230 0 218 1 0 1 1 0 8 0 amappl12 168 902 0 875 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 87 0 73 1 0 1 1 0 8 0 amappl9 144 278 0 277 1 0 1 1 0 8 0 amappl8 136 101 0 99 1 0 1 1 0 8 0 amappl7 128 150 0 137 1 0 1 1 0 8 0 amappl6 120 153 0 152 1 0 1 1 0 8 0 amappl5 112 112 0 100 1 0 1 1 0 8 0 amappl4 104 288 0 270 1 0 1 1 0 8 0 amappl3 96 2871 0 2775 4 0 4 4 0 8 1 amappl2 88 550 0 488 2 0 2 2 0 8 0 amappl1 80 11171 0 10576 15 0 15 15 0 8 2 amappl 88 4236 0 4097 5 0 5 5 0 92 1 uvmvnodes 80 112 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 7 0 7 2 1 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 10 0 1 1 0 1 1 0 8 0 uaddrrnd 24 645 0 617 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 645 0 617 1 0 1 1 0 8 0 vmmpekpl 168 7178 0 7140 3 0 3 3 0 8 1 vmmpepl 168 49350 0 47597 88 0 88 88 0 357 3 vmsppl 488 644 0 617 5 0 5 5 0 8 1 rwobjpl 80 16590 0 15562 24 0 24 24 0 8 1 pdppl 4096 1297 0 1234 99 28 71 85 0 8 8 pvpl 32 13559 0 0 110 0 110 110 0 265 0 pmappl 256 644 0 617 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 470 0 32 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839c9ff0) 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+0x38 sys/dev/kcov.c:-1 __mp_lock(ffffffff83a749c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a749c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2f23f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a749c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a749c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsyscall(ffff80002a2127d8,b,20,ffff80002a2f26a0) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80002a2127d8,b,20,ffff80002a2f26a0) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a2f26a0) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a2f26a0) at syscall+0x305 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b0dde295330, count: 4 ddb{0}> trace x86_ipi_db(ffffffff839c9ff0) 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+0x38 sys/dev/kcov.c:-1 __mp_lock(ffffffff83a749c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a749c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2f23f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a749c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a749c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsyscall(ffff80002a2127d8,b,20,ffff80002a2f26a0) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80002a2127d8,b,20,ffff80002a2f26a0) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a2f26a0) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a2f26a0) at syscall+0x305 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b0dde295330, count: -11 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(ffffffff834b9c71) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f9767,ffffffff8347ebac,441,ffffffff83526f35) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3cce28,4) at rt_hash rt_ifa_add(ffff800001607900,840100,ffff800001607968,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb in_insert_prefix sys/netinet/in.c:789 [inline] in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb sys/netinet/in.c:722 in_ioctl_set_ifaddr(8020690c,ffff80003c3cd110,ffff800001602000) at in_ioctl_set_ifaddr+0x349 sys/netinet/in.c:405 ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 sys/net/if.c:2554 sys_ioctl(ffff800038ba8fb0,ffff80003c3cd2f0,ffff80003c3cd240) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3cd2f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3cd2f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14dde0e5490, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9c71) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f9767,ffffffff8347ebac,441,ffffffff83526f35) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3cce28,4) at rt_hash rt_ifa_add(ffff800001607900,840100,ffff800001607968,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb in_insert_prefix sys/netinet/in.c:789 [inline] in_ifinit(ffff800001602000,ffff800001607900,ffff80003c3cd120,0) at in_ifinit+0x4bb sys/netinet/in.c:722 in_ioctl_set_ifaddr(8020690c,ffff80003c3cd110,ffff800001602000) at in_ioctl_set_ifaddr+0x349 sys/netinet/in.c:405 ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff8000016154a8,8020690c,ffff80003c3cd110,ffff800038ba8fb0) at ifioctl+0x1714 sys/net/if.c:2554 sys_ioctl(ffff800038ba8fb0,ffff80003c3cd2f0,ffff80003c3cd240) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3cd2f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3cd2f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14dde0e5490, count: -11