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 510899 18267 0 0 0 0 syz-executor *254418 54591 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b80f0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f8a9b,ffffffff8347e4fc,441,ffffffff83526b2c) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3e0208,8) at rt_hash rt_ifa_add(ffff800001711300,40004,ffff800001711378,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff80003a7d2538,ffff800001711300,ffff80003c3e03d0,1) at in_ifinit+0x540 sys/netinet/in.c:-1 pppx_add_session(ffff800001711900,ffff800001732000) at pppx_add_session+0x47b sys/net/if_pppx.c:717 VOP_IOCTL(fffffd806937dc00,82907003,ffff800001732000,1,fffffd80097fd3a8,ffff80003c3ee558) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca8a568,82907003,ffff800001732000,ffff80003c3ee558) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c3ee558,ffff80003c3e07e0,ffff80003c3e0730) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3e07e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e07e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x923f0e90890, 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 "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(ffffffff834b80f0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f8a9b,ffffffff8347e4fc,441,ffffffff83526b2c) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3e0208,8) at rt_hash rt_ifa_add(ffff800001711300,40004,ffff800001711378,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff80003a7d2538,ffff800001711300,ffff80003c3e03d0,1) at in_ifinit+0x540 sys/netinet/in.c:-1 pppx_add_session(ffff800001711900,ffff800001732000) at pppx_add_session+0x47b sys/net/if_pppx.c:717 VOP_IOCTL(fffffd806937dc00,82907003,ffff800001732000,1,fffffd80097fd3a8,ffff80003c3ee558) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca8a568,82907003,ffff800001732000,ffff80003c3ee558) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c3ee558,ffff80003c3e07e0,ffff80003c3e0730) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3e07e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e07e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x923f0e90890, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3e0000 rbx 0xffff80002999ee07 rdx 0xffff80000002a080 rcx 0xffff80003c3ee558 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8aede53f25a57341 r11 0xcbad0ae39735449 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81740505 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3dfff0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=254418 pid=54591 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3eea88,0xffff80003c3efcc0 process=0xffff800045fee1c8 user=0xffff80003c3db000, vmspace=0xfffffd800b1cb5b8 estcpu=30, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 18267 510899 87478 0 7 0 syz-executor 18267 36104 87478 0 2 0x4000080 syz-executor 34502 403508 52102 0 2 0x2 syz-executor 73804 498385 76199 0 2 0 syz-executor 73804 254355 76199 0 3 0x4000080 fsleep syz-executor 54591 181262 83761 0 2 0 syz-executor 54591 150874 83761 0 2 0x4000000 syz-executor *54591 254418 83761 0 7 0x4000000 syz-executor 75705 489784 25579 0 2 0 syz-executor 75705 66300 25579 0 2 0x4000000 syz-executor 16693 33718 94401 0 3 0x80 nanoslp syz-executor 16693 297571 94401 0 3 0x4000080 msgwait syz-executor 16693 493067 94401 0 3 0x4000080 fsleep syz-executor 16693 90968 94401 0 3 0x4000080 fsleep syz-executor 83761 175887 52102 0 3 0x82 nanoslp syz-executor 43932 200784 52102 0 3 0x82 nanoslp syz-executor 76199 271615 52102 0 3 0x82 nanoslp syz-executor 58456 441858 52102 0 3 0x2 biowait syz-executor 25579 353235 52102 0 3 0x82 nanoslp syz-executor 94401 57995 52102 0 3 0x82 nanoslp syz-executor 87478 139413 52102 0 3 0x82 nanoslp syz-executor 52102 408869 44339 0 3 0x82 kqread syz-executor 44339 218391 1384 0 3 0x10008a sigsusp ksh 1384 357543 87117 0 3 0x98 kqread sshd-session 87117 459323 23371 0 3 0x92 kqread sshd-session 57831 489452 1 0 3 0x100083 ttyin getty 23371 194157 1 0 3 0x88 kqread sshd 92243 487658 33627 74 3 0x1100092 bpf pflogd 33627 448127 1 0 3 0x80 sbwait pflogd 57666 322064 15457 73 3 0x1100090 kqread syslogd 15457 320520 1 0 3 0x100082 sbwait syslogd 99194 517704 1 0 2 0x100080 resolvd 17335 32756 32081 77 2 0x100092 dhcpleased 45062 151536 32081 77 3 0x100092 kqread dhcpleased 32081 7670 1 0 3 0x80 kqread dhcpleased 27789 15093 0 0 3 0x14200 bored smr 59681 485560 0 0 2 0x14200 zerothread 41046 37709 0 0 3 0x14200 aiodoned aiodoned 61878 236212 0 0 3 0x14200 syncer update 87899 462840 0 0 3 0x14200 cleaner cleaner 86811 33345 0 0 3 0x14200 reaper reaper 36802 503555 0 0 3 0x14200 pgdaemon pagedaemon 51777 117152 0 0 3 0x14200 bored viomb 96650 260525 0 0 3 0x40014200 acpi0 acpi0 760 34965 0 0 3 0x40014200 idle1 27138 32000 0 0 3 0x14200 bored softnet1 32208 363895 0 0 2 0x14200 softnet0 97625 97753 0 0 3 0x14200 smrbar systqmp 36412 500052 0 0 3 0x14200 syncxs systq 58804 90739 0 0 3 0x14200 tmoslp softclockmp 4285 328785 0 0 3 0x40014200 tmoslp softclock 53333 478108 0 0 3 0x40014200 idle0 1 468573 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 18267 (syz-executor) thread 0xffff80003c3ee7f0 (510899) exclusive rwlock futexlk r = 0 (0xffffffff83a2f5e8) #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 futex_wake+0xbc sys/kern/sys_futex.c:467 #3 sys_futex+0x1d9 sys/kern/sys_futex.c:158 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 Xsyscall+0x128 Process 54591 (syz-executor) thread 0xffff80003c3ee558 (254418) exclusive rwlock netlock r = 0 (0xffffffff83939850) #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 pppx_add_session+0x45e sys/net/if_pppx.c:716 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b38740) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:520 #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 58456 (syz-executor) thread 0xffff80002a222540 (441858) exclusive rrwlock inode r = 0 (0xfffffd806cf1f1e8) #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 (0xfffffd806d2699f8) #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 Process 97625 (systqmp) thread 0xffff800045ffecf8 (97753) shared rwlock systqmp r = 0 (0xffffffff83957518) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 Process 36412 (systq) thread 0xffff800045ffef90 (500052) shared rwlock systq r = 0 (0xffffffff83957478) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11127 12431K 12431K 166960K 12463 0 pcb 17 12K 12K 166960K 60 0 rtable 260 9K 9K 166960K 445 0 pf 51 20K 23K 166960K 99 0 ifaddr 51 8K 8K 166960K 63 0 ifgroup 70 2K 2K 166960K 86 0 sysctl 3 1K 9K 166960K 13 0 counters 84 38K 38K 166960K 94 0 ioctlops 1 1K 4K 166960K 1522 0 iov 0 0K 16K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1369 86K 86K 166960K 1662 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 11 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 85K 166960K 345 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 147K 166960K 596 0 subproc 76 4K 5K 166960K 112 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 19 0 in_multi 100 7K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 421 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 249 175K 176K 166960K 4882 0 UVM aobj 9 2K 2K 166960K 9 0 pinsyscall 42 84K 102K 166960K 1567 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 17 0K 1K 166960K 39 0 temp 46 9120K 9183K 166960K 8427 0 kqueue 14 22K 28K 166960K 55 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 vscsiccb 40 1 0 0 1 0 1 1 0 8 0 plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 47 0 43 1 0 1 1 0 8 0 rtentry 176 129 0 14 6 0 6 6 0 8 0 unpcb 144 107 0 90 2 0 2 2 0 8 1 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpcb 736 51 0 46 2 0 2 2 0 8 1 arp 136 22 0 2 1 0 1 1 0 8 0 inpcb 328 197 0 188 2 0 2 2 0 8 1 nd6 152 28 0 4 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1192 7 0 2 1 0 1 1 0 8 0 pppxif 1576 3 0 1 1 0 1 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 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 10 0 8 1 0 1 1 0 8 0 pfanchor 1288 4 0 1 1 0 1 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 33 0 0 1 0 1 1 0 8 0 pfstkey 128 35 0 2 2 0 2 2 0 8 0 pfstate 448 34 0 1 4 0 4 4 0 8 0 pfrule 1360 27 0 19 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 524 0 65 30 0 30 30 0 8 0 art_table 40 525 0 65 5 0 5 5 0 8 0 art_node 32 129 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0 semapl 72 9 0 3 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1937 0 457 93 0 93 93 0 8 0 ffsino 296 1937 0 457 114 0 114 114 0 8 0 nchpl 144 2374 0 658 64 0 64 64 0 8 0 vnodes 216 2217 0 0 124 0 124 124 0 8 0 namei 1024 7762 0 7761 1 0 1 1 0 8 0 percpumem 16 62 0 5 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 2 1 0 1 1 0 8 0 kstatmem 264 45 0 8 3 0 3 3 0 8 0 scxspl 216 7771 0 7769 4 3 1 3 1 8 0 plimitpl 152 48 0 30 1 0 1 1 0 8 0 sigapl 424 666 0 619 6 0 6 6 0 8 0 knotepl 120 299 0 0 10 0 10 10 0 8 0 kqueuepl 224 66 0 54 1 0 1 1 0 8 0 pipepl 344 157 0 130 3 0 3 3 0 8 0 fdescpl 528 648 0 617 3 0 3 3 0 8 0 filepl 160 2987 0 2752 16 0 16 16 0 8 4 lockfpl 104 135 0 129 1 0 1 1 0 8 0 lockfspl 48 62 0 56 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 50 0 32 1 0 1 1 0 8 0 ucredpl 104 557 0 543 1 0 1 1 0 8 0 zombiepl 144 621 0 619 1 0 1 1 0 8 0 processpl 1232 666 0 619 5 1 4 5 0 8 0 procpl 664 962 0 907 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 356 0 326 5 0 5 5 0 8 1 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 185 0 0 12 0 12 12 0 8 0 bufpl 272 2649 0 105 170 0 170 170 0 8 0 anonpl 32 3740 0 0 31 0 31 31 0 247 0 amapchunkpl 152 14062 0 13545 29 1 28 28 0 158 6 amappl16 200 1507 0 1481 5 2 3 4 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 456 0 455 1 0 1 1 0 8 0 amappl13 176 131 0 118 1 0 1 1 0 8 0 amappl12 168 911 0 881 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 83 0 69 1 0 1 1 0 8 0 amappl9 144 277 0 277 1 1 0 1 0 8 0 amappl8 136 120 0 118 1 0 1 1 0 8 0 amappl7 128 158 0 145 1 0 1 1 0 8 0 amappl6 120 164 0 162 1 0 1 1 0 8 0 amappl5 112 104 0 93 1 0 1 1 0 8 0 amappl4 104 326 0 305 1 0 1 1 0 8 0 amappl3 96 2773 0 2654 5 1 4 4 0 8 0 amappl2 88 579 0 519 2 0 2 2 0 8 0 amappl1 80 11556 0 10943 14 0 14 14 0 8 0 amappl 88 4076 0 3901 5 0 5 5 0 92 0 uvmvnodes 80 107 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 648 0 617 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 648 0 617 1 0 1 1 0 8 0 vmmpekpl 168 7088 0 7042 3 0 3 3 0 8 0 vmmpepl 168 49709 0 47782 88 0 88 88 0 357 0 vmsppl 488 647 0 617 5 0 5 5 0 8 0 rwobjpl 80 16607 0 15530 23 0 23 23 0 8 0 pdppl 4096 1303 0 1234 97 26 71 81 0 8 2 pvpl 32 10153 0 0 82 0 82 82 0 265 0 pmappl 256 647 0 617 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 442 0 28 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839bcff0) 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(ffffffff83b37f40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b37f40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003a3b98f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d futex_wake(ffff80003c3ee7f0,6e59b1532c0,7fffffff,80,ffff80003a3b9c40) at futex_wake+0x2f6 sys/kern/sys_futex.c:484 sys_futex(ffff80003c3ee7f0,ffff80003a3b9cf0,ffff80003a3b9c40) at sys_futex+0x1d9 sys/kern/sys_futex.c:158 syscall(ffff80003a3b9cf0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a3b9cf0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76e022a43a10, count: 4 ddb{0}> trace x86_ipi_db(ffffffff839bcff0) 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(ffffffff83b37f40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b37f40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003a3b98f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d futex_wake(ffff80003c3ee7f0,6e59b1532c0,7fffffff,80,ffff80003a3b9c40) at futex_wake+0x2f6 sys/kern/sys_futex.c:484 sys_futex(ffff80003c3ee7f0,ffff80003a3b9cf0,ffff80003a3b9c40) at sys_futex+0x1d9 sys/kern/sys_futex.c:158 syscall(ffff80003a3b9cf0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a3b9cf0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76e022a43a10, 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(ffffffff834b80f0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f8a9b,ffffffff8347e4fc,441,ffffffff83526b2c) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3e0208,8) at rt_hash rt_ifa_add(ffff800001711300,40004,ffff800001711378,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff80003a7d2538,ffff800001711300,ffff80003c3e03d0,1) at in_ifinit+0x540 sys/netinet/in.c:-1 pppx_add_session(ffff800001711900,ffff800001732000) at pppx_add_session+0x47b sys/net/if_pppx.c:717 VOP_IOCTL(fffffd806937dc00,82907003,ffff800001732000,1,fffffd80097fd3a8,ffff80003c3ee558) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca8a568,82907003,ffff800001732000,ffff80003c3ee558) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c3ee558,ffff80003c3e07e0,ffff80003c3e0730) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3e07e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e07e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x923f0e90890, count: 3 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b80f0) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f8a9b,ffffffff8347e4fc,441,ffffffff83526b2c) at __assert+0x29 sys/kern/subr_prf.c:-1 rt_hash(1,ffff80003c3e0208,8) at rt_hash rt_ifa_add(ffff800001711300,40004,ffff800001711378,0) at rt_ifa_add+0x22e sys/net/route.c:1284 in_ifinit(ffff80003a7d2538,ffff800001711300,ffff80003c3e03d0,1) at in_ifinit+0x540 sys/netinet/in.c:-1 pppx_add_session(ffff800001711900,ffff800001732000) at pppx_add_session+0x47b sys/net/if_pppx.c:717 VOP_IOCTL(fffffd806937dc00,82907003,ffff800001732000,1,fffffd80097fd3a8,ffff80003c3ee558) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca8a568,82907003,ffff800001732000,ffff80003c3ee558) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c3ee558,ffff80003c3e07e0,ffff80003c3e0730) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3e07e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e07e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x923f0e90890, count: -12