uvm_fault(0xfffffd807f00a450, 0x3f0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_kif_update+0xf6: movq 0x40(%rax),%rbx ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00a450, 0x3f0, 0, 1) -> e pfi_kif_update(ffff800000b4d300) at pfi_kif_update+0xf6 end trace frame: 0xffff8000227b9ae0, count: 0 ddb{0}> trace pfi_kif_update(ffff800000b4d300) at pfi_kif_update+0xf6 pfi_kif_update(ffff800000b4d500) at pfi_kif_update+0x121 dohooks(ffff80000005b4c0,0) at dohooks+0x68 sys/kern/kern_subr.c:254 in6_ifattach_linklocal(ffff800000b25800,0) at in6_ifattach_linklocal+0x38a sys/netinet6/in6_ifattach.c:309 in6_ifattach(ffff800000b25800) at in6_ifattach+0x17e sys/netinet6/in6_ifattach.c:400 ifioctl(fffffd8071e80600,801169ab,ffff8000227b9d30,ffff800020acf8e0) at ifioctl+0xcb6 sys/net/if.c:1927 sys_ioctl(ffff800020acf8e0,ffff8000227b9e40,ffff8000227b9e90) at sys_ioctl+0x5b9 syscall(ffff8000227b9f10) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff8000227b9f10) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,36,7f7ffffbc8f8,36,7f7ffffbc9e0,c9806f630b8) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc960, count: -9 ddb{0}> show registers rdi 0xffff800000b4d300 rsi 0 rbp 0xffff8000227b9a80 rbx 0xffff800000b4d300 rdx 0xffff800020acf8e0 rcx 0 rax 0x3b0 r8 0xffffffff8181073b refcnt_rele_wake+0x3b r9 0x5 r10 0x1 r11 0xd74ec20e5fc3b37b r12 0 r13 0 r14 0 r15 0 rip 0xffffffff810ec856 pfi_kif_update+0xf6 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000227b9a30 ss 0x10 pfi_kif_update+0xf6: movq 0x40(%rax),%rbx ddb{0}> show proc PROC (ifconfig) pid=95096 stat=onproc flags process=2 proc=0 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ace798,0xffffffff826276a0 process=0xffff800020adc380 user=0xffff8000227b4000, vmspace=0xfffffd807f00a450 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *82668 95096 66373 0 7 0x2 ifconfig 66373 185190 97238 0 3 0x10008a pause sh 97238 451223 52976 0 3 0x82 wait syz-executor.0 21633 380508 0 0 3 0x14200 acct acct 16359 136676 52976 0 3 0x82 piperd syz-executor.1 71609 479019 1 0 3 0x100083 ttyin getty 79327 320835 0 0 3 0x14200 bored sosplice 52976 8107 88486 0 3 0x82 thrsleep syz-fuzzer 52976 348150 88486 0 2 0x4000482 syz-fuzzer 52976 164555 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 227264 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 246232 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 81043 88486 0 3 0x4000082 kqread syz-fuzzer 52976 113687 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 254296 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 148053 88486 0 3 0x4000082 thrsleep syz-fuzzer 52976 72576 88486 0 3 0x4000082 thrsleep syz-fuzzer 88486 484101 44255 0 3 0x10008a pause ksh 44255 315777 43496 0 3 0x92 select sshd 43496 220853 1 0 3 0x80 select sshd 57820 312169 76590 74 2 0x100492 pflogd 76590 460803 1 0 3 0x80 netio pflogd 63354 131425 64559 73 3 0x100090 kqread syslogd 64559 118554 1 0 3 0x100082 netio syslogd 32558 296748 1 77 3 0x100090 poll dhclient 66942 369082 1 0 3 0x80 poll dhclient 68298 293693 0 0 3 0x14200 pgzero zerothread 69987 259288 0 0 3 0x14200 aiodoned aiodoned 7085 338262 0 0 3 0x14200 syncer update 33086 467632 0 0 3 0x14200 cleaner cleaner 95932 513448 0 0 3 0x14200 reaper reaper 36556 83006 0 0 3 0x14200 pgdaemon pagedaemon 48864 304891 0 0 3 0x14200 bored crynlk 54890 155343 0 0 3 0x14200 bored crypto 65684 304196 0 0 3 0x40014200 acpi0 acpi0 44660 322336 0 0 3 0x40014200 idle1 29247 223772 0 0 7 0x14200 softnet 1573 486468 0 0 2 0x14200 systqmp 75673 228994 0 0 3 0x14200 bored systq 6482 124388 0 0 2 0x40014200 softclock 92055 308032 0 0 3 0x40014200 idle0 44424 105829 0 0 3 0x14200 bored smr 1 93023 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 82668 (ifconfig) thread 0xffff800020acf8e0 (95096) exclusive rwlock netlock r = 0 (0xffffffff824a7968) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 ifioctl+0xc62 sys/net/if.c:1917 #2 sys_ioctl+0x5b9 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8262dbe8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9599 6468K 9113K 78643K 56177 0 0 pcb 13 12K 14K 78643K 1858 0 0 rtable 193 19K 20K 78643K 5448 0 0 ifaddr 113 30K 32K 78643K 1779 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1906 0 0 iov 0 0K 32K 78643K 1743 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1239 78K 78K 78643K 15805 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 120 0 0 VM map 72 36K 36K 78643K 106 0 0 sem 12 0K 0K 78643K 2005 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 8644 0 0 sigio 0 0K 0K 78643K 138 0 0 proc 69 75K 95K 78643K 3680 0 0 subproc 32 2K 2K 78643K 1011 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 1K 78643K 847 0 0 in_multi 39 2K 3K 78643K 1022 0 0 ether_multi 1 0K 0K 78643K 85 0 0 mrt 3 0K 0K 78643K 48 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 1824 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 245 653K 657K 78643K 31934 0 0 UVM aobj 130 6K 6K 78643K 130 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 2K 78643K 1927 0 0 NDP 22 0K 1K 78643K 555 0 0 temp 238 3561K 4201K 78643K 221713 0 0 kqueue 0 0K 0K 78643K 84 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 129 0 124 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 843 0 841 1 0 1 1 0 8 0 rtentry 112 939 0 861 3 0 3 3 0 8 0 unpcb 120 9789 0 9774 23 21 2 2 0 8 1 syncache 264 51 0 51 24 24 0 1 0 8 0 sackhl 24 3 0 3 3 3 0 1 0 8 0 tcpqe 32 131 0 131 11 11 0 1 0 8 0 tcpcb 544 5725 0 5720 128 127 1 14 0 8 0 inpcb 280 15600 0 15591 109 107 2 13 0 8 1 rttmr 72 16 0 15 2 1 1 1 0 8 0 ip6q 72 5 0 5 4 4 0 1 0 8 0 ip6af 40 10 0 10 4 4 0 1 0 8 0 nd6 48 147 0 146 8 7 1 1 0 8 0 pkpcb 40 30 0 30 15 15 0 1 0 8 0 swfcl 56 7 0 0 1 0 1 1 0 8 0 ppxss 1128 235 0 235 38 38 0 1 0 8 0 pffrag 232 964 0 964 10 9 1 1 0 482 1 pffrnode 88 954 0 954 10 9 1 1 0 8 1 pffrent 40 40411 0 40411 10 9 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 797 0 748 1 0 1 1 0 8 0 pfstkey 112 797 0 748 5 1 4 4 0 8 0 pfstate 328 797 0 748 12 2 10 10 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 19 0 11 15 7 8 8 0 8 0 art_heap4 256 4524 0 4214 63 43 20 24 0 8 0 art_table 32 4543 0 4225 9 6 3 4 0 8 0 art_node 16 934 0 876 1 0 1 1 0 8 0 sysvmsgpl 40 36 0 24 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2001 0 1991 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14471 0 13019 47 0 47 47 0 8 0 ffsino 272 14471 0 13019 98 0 98 98 0 8 0 nchpl 144 29956 0 29460 61 41 20 61 0 8 0 uvmvnodes 72 6739 0 0 123 0 123 123 0 8 0 vnodes 208 6739 0 0 355 0 355 355 0 8 0 namei 1024 118554 0 118554 6 5 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 71 0 1 9 0 9 9 0 8 0 vmpool 552 104 0 34 7 1 6 6 0 8 1 scsiplug 64 15 0 15 13 13 0 1 0 8 0 scxspl 192 87932 0 87932 65 62 3 4 0 8 3 plimitpl 152 652 0 644 1 0 1 1 0 8 0 sigapl 432 8681 0 8665 4 2 2 3 0 8 0 futexpl 56 227720 0 227720 5 4 1 1 0 8 1 knotepl 112 2380 0 2359 5 4 1 3 0 8 0 kqueuepl 104 3946 0 3944 32 31 1 4 0 8 0 pipepl 112 6534 0 6515 14 13 1 2 0 8 0 fdescpl 488 8682 0 8665 3 0 3 3 0 8 0 filepl 152 98582 0 98481 135 129 6 14 0 8 2 lockfpl 104 3575 0 3574 1 0 1 1 0 8 0 lockfspl 48 1236 0 1235 1 0 1 1 0 8 0 sessionpl 112 83 0 72 1 0 1 1 0 8 0 pgrppl 48 275 0 264 1 0 1 1 0 8 0 ucredpl 96 11791 0 11782 1 0 1 1 0 8 0 zombiepl 144 8670 0 8670 5 4 1 1 0 8 1 processpl 896 8704 0 8670 5 1 4 5 0 8 0 procpl 632 28062 0 28019 7 2 5 5 0 8 0 srpgc 64 156 0 156 33 33 0 1 0 8 0 sosppl 128 286 0 286 36 35 1 1 0 8 1 sockpl 384 26559 0 26532 193 187 6 22 0 8 2 mcl64k 65536 783 0 0 92 61 31 64 0 8 2 mcl16k 16384 33 0 0 4 1 3 3 0 8 0 mcl12k 12288 52 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 42 0 0 5 2 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 242 0 0 25 12 13 25 0 8 0 mtagpl 80 82 0 0 1 0 1 1 0 8 0 mbufpl 256 1289 0 0 51 0 51 51 0 8 0 bufpl 256 35172 0 28124 441 0 441 441 0 8 0 anonpl 16 1081437 0 1062062 352 239 113 113 0 124 12 amapchunkpl 152 67522 0 67340 142 132 10 15 0 158 0 amappl16 192 45891 0 44515 333 255 78 82 0 8 8 amappl15 184 1917 0 1917 6 6 0 1 0 8 0 amappl14 176 1233 0 1229 1 0 1 1 0 8 0 amappl13 168 1865 0 1865 7 7 0 1 0 8 0 amappl12 160 770 0 768 2 1 1 1 0 8 0 amappl11 152 1664 0 1649 1 0 1 1 0 8 0 amappl10 144 1108 0 1101 1 0 1 1 0 8 0 amappl9 136 1971 0 1964 1 0 1 1 0 8 0 amappl8 128 1497 0 1438 5 2 3 3 0 8 1 amappl7 120 1329 0 1317 1 0 1 1 0 8 0 amappl6 112 1527 0 1514 1 0 1 1 0 8 0 amappl5 104 1559 0 1544 1 0 1 1 0 8 0 amappl4 96 9654 0 9621 1 0 1 1 0 8 0 amappl3 88 2257 0 2246 1 0 1 1 0 8 0 amappl2 80 66678 0 66596 6 3 3 3 0 8 1 amappl1 72 204414 0 203951 25 15 10 20 0 8 0 amappl 80 29473 0 29391 4 2 2 2 0 84 0 dma4096 4096 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 8786 0 8665 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8786 0 8665 1 0 1 1 0 8 0 vmmpekpl 168 71715 0 71663 4 1 3 3 0 8 0 vmmpepl 168 1121264 0 1118569 590 422 168 168 0 357 40 vmsppl 368 8681 0 8665 2 0 2 2 0 8 0 pdppl 4096 17579 0 17468 18 4 14 14 0 8 0 pvpl 32 2827933 0 2808969 599 377 222 229 0 265 23 pmappl 232 8785 0 8699 8 2 6 6 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 958 0 265 21 0 21 21 0 8 0