g Ãg Ãuvm_fault(0xfffffd807f00a2e0, 0xc5021b, 0, 1) -> e kernel: page fault trap, code=0 Stopped at in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f00a2e0, 0xc5021b, 0, 1) -> e in6_purgeaddr(ffff800000c1cf00) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff800022bf3170, count: 0 ddb{1}> trace in6_purgeaddr(ffff800000c1cf00) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000b04800) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000b04800,6) at if_setrdomain+0x1a2 sys/net/if.c:1893 ifioctl(fffffd8077bbe050,8020699f,ffff800022bf32c0,ffff800020ab0290) at ifioctl+0x130b sys/net/if.c:2151 sys_ioctl(ffff800020ab0290,ffff800022bf33d8,ffff800022bf3420) at sys_ioctl+0x5b9 syscall(ffff800022bf34a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022bf34a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,cc73fc6010) at Xsyscall+0x128 end of kernel end trace frame: 0xced7ebdb70, count: -7 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800022bf3100 rbx 0 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020b5e000 rax 0 r8 0xffffffff81c09334 rt_ifa_dellocal+0x44 r9 0x1 r10 0x18 r11 0x7583da5042802b57 r12 0xc50213 acpi_pdirpa+0xc3c07b r13 0 r14 0xffff800000c1cf00 r15 0xffff800000b04800 rip 0xffffffff816df045 in6_purgeaddr+0x135 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800022bf3090 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{1}> show proc PROC (syz-executor.1) pid=483685 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ab0ee8,0xffff800020ab0c80 process=0xffff800020a8b890 user=0xffff800022bee000, vmspace=0xfffffd807f00a2e0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58868 108887 35092 0 2 0 syz-executor.0 65507 445323 73108 0 2 0 syz-executor.1 *65507 483685 73108 0 7 0x4000000 syz-executor.1 35092 462993 64323 0 3 0x82 nanosleep syz-executor.0 73108 167373 64323 0 3 0x82 nanosleep syz-executor.1 8563 77790 1 0 3 0x100083 ttyin getty 21486 61870 0 0 3 0x14200 acct acct 63224 289115 0 0 3 0x14200 bored sosplice 64323 147340 51732 0 3 0x82 thrsleep syz-fuzzer 64323 415323 51732 0 3 0x4000082 nanosleep syz-fuzzer 64323 402575 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 361714 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 95085 51732 0 3 0x4000082 kqread syz-fuzzer 64323 494685 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 520779 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 123201 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 297443 51732 0 3 0x4000082 thrsleep syz-fuzzer 64323 428742 51732 0 3 0x4000082 thrsleep syz-fuzzer 51732 359840 631 0 3 0x10008a pause ksh 631 225408 87287 0 3 0x92 select sshd 87287 277112 1 0 3 0x80 select sshd 69998 405009 34869 74 3 0x100092 bpf pflogd 34869 45875 1 0 3 0x80 netio pflogd 21969 523717 15795 73 3 0x100090 kqread syslogd 15795 427099 1 0 3 0x100082 netio syslogd 20300 117923 1 77 7 0x100090 dhclient 6118 90990 1 0 3 0x80 poll dhclient 18772 257344 0 0 2 0x14200 zerothread 74207 295606 0 0 3 0x14200 aiodoned aiodoned 79787 498014 0 0 3 0x14200 syncer update 61888 168318 0 0 3 0x14200 cleaner cleaner 40160 303684 0 0 3 0x14200 reaper reaper 34361 455101 0 0 3 0x14200 pgdaemon pagedaemon 80996 182754 0 0 3 0x14200 bored crynlk 5870 241948 0 0 3 0x14200 bored crypto 25791 509441 0 0 3 0x40014200 acpi0 acpi0 6969 27449 0 0 3 0x40014200 idle1 1538 48307 0 0 3 0x14200 bored softnet 95321 98686 0 0 2 0x14200 systqmp 45333 185998 0 0 3 0x14200 bored systq 44414 458777 0 0 3 0x40014200 bored softclock 90866 476698 0 0 3 0x40014200 idle0 36778 433832 0 0 3 0x14200 bored smr 1 359288 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65507 (syz-executor.1) thread 0xffff800020ab0290 (483685) exclusive rwlock netlock r = 0 (0xffffffff824fd158) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 ifioctl+0x12fe sys/net/if.c:2151 #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 (0xffffffff82645558) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9681 7578K 15505K 78643K 70121 0 0 pcb 16 12K 14K 78643K 3215 0 0 rtable 175 17K 18K 78643K 7595 0 0 ifaddr 130 36K 42K 78643K 2442 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 2147 0 0 iov 0 0K 28K 78643K 3060 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1227 77K 77K 78643K 24962 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 195 0 0 VM map 130 65K 65K 78643K 174 0 0 sem 12 0K 1K 78643K 4436 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 13865 0 0 sigio 1 0K 0K 78643K 1017 0 0 proc 62 63K 95K 78643K 5222 0 0 subproc 32 2K 2K 78643K 1345 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 1534 0 0 in_multi 44 2K 3K 78643K 1533 0 0 ether_multi 1 0K 0K 78643K 161 0 0 mrt 0 0K 0K 78643K 76 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 114 503K 503K 78643K 114 0 0 exec 0 0K 1K 78643K 2820 0 0 pfkey data 0 0K 0K 78643K 2 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 302 1066K 1066K 78643K 50437 0 0 UVM aobj 130 5K 5K 78643K 132 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 3314 0 0 NDP 27 0K 1K 78643K 757 0 0 temp 223 3565K 4205K 78643K 327078 0 0 kqueue 0 0K 0K 78643K 110 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 205 0 199 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 1232 0 1230 1 0 1 1 0 8 0 rtentry 112 1192 0 1123 6 3 3 3 0 8 0 unpcb 120 9266 0 9231 13 11 2 2 0 8 0 syncache 264 60 0 60 25 24 1 1 0 8 1 tcpqe 32 84 0 84 16 16 0 1 0 8 0 tcpcb 544 7596 0 7592 104 102 2 14 0 8 1 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 280 24722 0 24708 109 107 2 13 0 8 1 rttmr 72 20 0 19 12 11 1 1 0 8 0 ip6q 72 12 0 12 9 9 0 1 0 8 0 ip6af 40 28 0 28 7 7 0 1 0 8 0 nd6 48 189 0 186 9 8 1 1 0 8 0 pkpcb 40 145 0 145 31 30 1 1 0 8 1 swfcl 56 7 0 0 1 0 1 1 0 8 0 ppxss 1128 371 0 371 40 39 1 1 0 8 1 pffrag 232 490 0 490 26 25 1 1 0 482 1 pffrnode 88 490 0 490 26 25 1 1 0 8 1 pffrent 40 15969 0 15969 27 26 1 1 0 8 1 pfosfp 40 846 0 846 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0 pfstitem 24 1252 0 1183 1 0 1 1 0 8 0 pfstkey 112 1252 0 1183 7 4 3 4 0 8 0 pfstate 328 1252 0 1183 17 9 8 10 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 20 0 14 15 9 6 7 0 8 0 art_heap4 256 5249 0 4876 75 51 24 24 0 8 0 art_table 32 5269 0 4890 9 5 4 4 0 8 0 art_node 16 1189 0 1127 1 0 1 1 0 8 0 sysvmsgpl 40 54 0 26 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 4434 0 4424 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 22823 0 21348 48 0 48 48 0 8 0 ffsino 272 22823 0 21348 100 1 99 99 0 8 0 nchpl 144 48500 0 48023 60 41 19 60 0 8 0 uvmvnodes 72 7696 0 0 140 0 140 140 0 8 0 vnodes 208 7696 0 0 406 0 406 406 0 8 0 namei 1024 195025 0 195025 6 5 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 129 0 1 16 0 16 16 0 8 0 vmpool 552 172 0 44 12 2 10 10 0 8 0 scsiplug 64 9 0 9 7 7 0 1 0 8 0 scxspl 192 143429 0 143429 99 98 1 7 0 8 1 plimitpl 152 1196 0 1188 1 0 1 1 0 8 0 sigapl 432 13847 0 13831 3 1 2 3 0 8 0 futexpl 56 383234 0 383234 4 3 1 1 0 8 1 knotepl 112 2633 0 2614 8 7 1 3 0 8 0 kqueuepl 104 4459 0 4457 19 18 1 4 0 8 0 pipepl 112 8218 0 8199 20 18 2 2 0 8 1 fdescpl 488 13848 0 13831 3 0 3 3 0 8 0 filepl 152 142147 0 142034 116 110 6 14 0 8 1 lockfpl 104 5010 0 5009 1 0 1 1 0 8 0 lockfspl 48 1764 0 1763 1 0 1 1 0 8 0 sessionpl 112 110 0 99 1 0 1 1 0 8 0 pgrppl 48 288 0 277 1 0 1 1 0 8 0 ucredpl 96 17268 0 17256 1 0 1 1 0 8 0 zombiepl 144 13837 0 13837 1 0 1 1 0 8 1 processpl 896 13871 0 13837 4 0 4 4 0 8 0 procpl 632 45359 0 45315 12 7 5 5 0 8 1 srpgc 64 135 0 135 42 41 1 1 0 8 1 sosppl 128 451 0 451 42 42 0 1 0 8 0 sockpl 384 35650 0 35599 179 172 7 23 0 8 1 mcl64k 65536 1368 0 0 133 69 64 66 0 8 0 mcl16k 16384 49 0 0 7 4 3 3 0 8 0 mcl12k 12288 68 0 0 2 0 2 2 0 8 0 mcl9k 9216 51 0 0 3 1 2 2 0 8 0 mcl8k 8192 33 0 0 5 2 3 3 0 8 0 mcl4k 4096 65 0 0 5 2 3 3 0 8 0 mcl2k2 2112 12 0 0 1 0 1 1 0 8 0 mcl2k 2048 210 0 0 19 7 12 19 0 8 0 mtagpl 80 199 0 0 2 1 1 2 0 8 0 mbufpl 256 1544 0 0 40 0 40 40 0 8 0 bufpl 256 50541 0 41926 539 0 539 539 0 8 0 anonpl 16 1619486 0 1583206 470 322 148 162 0 124 1 amapchunkpl 152 101063 0 100129 203 166 37 44 0 158 0 amappl16 192 73753 0 72336 459 386 73 83 0 8 1 amappl15 184 1899 0 1899 9 9 0 1 0 8 0 amappl14 176 3667 0 3662 1 0 1 1 0 8 0 amappl13 168 2009 0 2008 12 11 1 1 0 8 0 amappl12 160 1155 0 1152 2 1 1 1 0 8 0 amappl11 152 2866 0 2851 1 0 1 1 0 8 0 amappl10 144 1911 0 1901 1 0 1 1 0 8 0 amappl9 136 2477 0 2472 1 0 1 1 0 8 0 amappl8 128 2199 0 2134 8 5 3 3 0 8 0 amappl7 120 2164 0 2153 1 0 1 1 0 8 0 amappl6 112 2724 0 2705 1 0 1 1 0 8 0 amappl5 104 1999 0 1985 1 0 1 1 0 8 0 amappl4 96 13696 0 13657 4 3 1 2 0 8 0 amappl3 88 4280 0 4271 1 0 1 1 0 8 0 amappl2 80 107642 0 107562 3 1 2 3 0 8 0 amappl1 72 321915 0 321467 26 16 10 20 0 8 0 amappl 80 47170 0 47058 3 0 3 3 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 64 131 0 2 3 0 3 3 0 8 0 uaddrrnd 24 14020 0 13831 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14020 0 13831 2 0 2 2 0 8 0 vmmpekpl 168 97633 0 97578 3 0 3 3 0 8 0 vmmpepl 168 1772893 0 1769914 676 512 164 185 0 357 26 vmsppl 368 13847 0 13831 2 0 2 2 0 8 0 pdppl 4096 28047 0 27878 27 5 22 22 0 8 0 pvpl 32 4201167 0 4177173 720 506 214 256 0 265 11 pmappl 232 14019 0 13875 11 2 9 9 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1084 0 260 24 0 24 24 0 8 0