login: uvm_fault(0xfffffd807f00a730, 0x82910438, 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(0xfffffd807f00a730, 0x82910438, 0, 1) -> e in6_purgeaddr(ffff800000b05600) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff800023dc7580, count: 0 ddb{1}> trace in6_purgeaddr(ffff800000b05600) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000ad5000) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000ad5000,6) at if_setrdomain+0x1a2 sys/net/if.c:1845 ifioctl(fffffd8063486c48,8020699f,ffff800023dc76d0,ffff800020b4c538) at ifioctl+0x1303 sys/net/if.c:2103 sys_ioctl(ffff800020b4c538,ffff800023dc77e8,ffff800023dc7830) at sys_ioctl+0x5b9 syscall(ffff800023dc78b0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023dc78b0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,aad5ebb2010) at Xsyscall+0x128 end of kernel end trace frame: 0xab037bc4f90, count: -7 ddb{1}> show registers rdi 0xffffffff8113cf79 rtfree+0x59 rsi 0x39a47 acpi_pdirpa+0x258af rbp 0xffff800023dc7510 rbx 0 rdx 0x39a48 acpi_pdirpa+0x258b0 rcx 0xffff80002377e000 rax 0 r8 0xffffffff81140454 rt_ifa_dellocal+0x44 r9 0x1 r10 0x18 r11 0xb18b2aeefa40c574 r12 0x82910430 __kernel_virt_to_phys+0x2910430 r13 0 r14 0xffff800000b05600 r15 0xffff800000ad5000 rip 0xffffffff8162bb25 in6_purgeaddr+0x135 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023dc74a0 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{1}> show proc PROC (syz-executor.0) pid=425972 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b4c7b0,0xffff800020b4cf28 process=0xffff800020adce00 user=0xffff800023dc2000, vmspace=0xfffffd807f00a730 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93567 504800 90704 0 2 0 syz-executor.1 93567 243496 90704 0 2 0x4000000 syz-executor.1 8458 402872 82644 0 2 0 syz-executor.0 * 8458 425972 82644 0 7 0x4000000 syz-executor.0 27637 149982 1 0 3 0x100083 ttyin getty 82644 236525 32956 0 3 0x82 nanosleep syz-executor.0 90704 207495 32956 0 3 0x82 nanosleep syz-executor.1 1406 392425 0 0 3 0x14200 acct acct 92220 55926 0 0 3 0x14200 bored sosplice 32956 86119 42969 0 3 0x82 thrsleep syz-fuzzer 32956 25509 42969 0 3 0x4000082 nanosleep syz-fuzzer 32956 462304 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 100294 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 210970 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 45765 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 90122 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 354702 42969 0 3 0x4000082 thrsleep syz-fuzzer 32956 438176 42969 0 3 0x4000082 nanosleep syz-fuzzer 32956 108597 42969 0 3 0x4000082 kqread syz-fuzzer 42969 245212 96062 0 3 0x10008a pause ksh 96062 25895 90129 0 3 0x92 select sshd 90129 158277 1 0 3 0x80 select sshd 76491 196821 66058 74 3 0x100092 bpf pflogd 66058 231710 1 0 3 0x80 netio pflogd 48728 302874 38632 73 3 0x100090 kqread syslogd 38632 121040 1 0 3 0x100082 netio syslogd 25003 117458 1 77 2 0x100090 dhclient 2183 460274 1 0 3 0x80 poll dhclient 87374 356826 0 0 2 0x14200 zerothread 8790 147519 0 0 3 0x14200 aiodoned aiodoned 50050 160157 0 0 3 0x14200 syncer update 34339 209635 0 0 3 0x14200 cleaner cleaner 37215 305725 0 0 3 0x14200 reaper reaper 77900 198386 0 0 3 0x14200 pgdaemon pagedaemon 16845 225595 0 0 3 0x14200 bored crynlk 86579 48307 0 0 3 0x14200 bored crypto 29697 481785 0 0 3 0x40014200 acpi0 acpi0 30402 436927 0 0 3 0x40014200 idle1 63458 30644 0 0 3 0x14200 bored softnet 37830 401507 0 0 7 0x14200 systqmp 8336 63019 0 0 3 0x14200 bored systq 4815 462399 0 0 3 0x40014200 bored softclock 83232 467927 0 0 3 0x40014200 idle0 72504 421010 0 0 3 0x14200 bored smr 1 391970 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 8458 (syz-executor.0) thread 0xffff800020b4c538 (425972) exclusive rwlock netlock r = 0 (0xffffffff8250cdb8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 ifioctl+0x12f6 sys/net/if.c:2103 #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 (0xffffffff82624c28) #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 9625 6453K 10110K 78643K 27768 0 0 pcb 16 11K 13K 78643K 1616 0 0 rtable 125 14K 16K 78643K 2125 0 0 ifaddr 103 22K 23K 78643K 697 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1615 0 0 iov 0 0K 24K 78643K 3830 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1254 79K 79K 78643K 6179 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 51 0 0 VM map 20 10K 10K 78643K 39 0 0 sem 12 0K 1K 78643K 2311 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 4147 0 0 sigio 0 0K 0K 78643K 57 0 0 proc 62 63K 95K 78643K 1539 0 0 subproc 32 2K 2K 78643K 323 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 325 0 0 in_multi 25 1K 2K 78643K 400 0 0 ether_multi 1 0K 0K 78643K 47 0 0 mrt 0 0K 0K 78643K 22 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 729 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 171 188K 197K 78643K 15097 0 0 UVM aobj 130 7K 7K 78643K 133 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 779 0 0 NDP 24 0K 1K 78643K 210 0 0 temp 232 3565K 4205K 78643K 105525 0 0 kqueue 0 0K 0K 78643K 34 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 60 0 55 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 255 0 253 1 0 1 1 0 8 0 rtentry 112 324 0 279 2 0 2 2 0 8 0 unpcb 120 2761 0 2747 4 2 2 2 0 8 1 syncache 264 33 0 33 11 10 1 1 0 8 1 tcpqe 32 8 0 8 7 7 0 1 0 8 0 tcpcb 544 8119 0 8108 25 23 2 14 0 8 1 inpcb 280 12194 0 12177 22 20 2 10 0 8 0 rttmr 72 8 0 8 6 6 0 1 0 8 0 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 4 0 4 1 1 0 1 0 8 0 nd6 48 45 0 43 2 1 1 1 0 8 0 pkpcb 40 42 0 42 10 10 0 1 0 8 0 swfcl 56 5 0 0 1 0 1 1 0 8 0 ppxss 1128 102 0 102 16 15 1 1 0 8 1 pffrag 232 107 0 107 15 14 1 1 0 482 1 pffrnode 88 107 0 107 15 14 1 1 0 8 1 pffrent 40 2984 0 2984 15 14 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 3730 0 2353 10 1 9 9 0 8 0 pfstkey 112 3730 0 2353 47 7 40 42 0 8 0 pfstate 328 3730 0 2353 160 45 115 122 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 9 0 7 8 6 2 4 0 8 0 art_heap4 256 1322 0 1081 25 8 17 17 0 8 0 art_table 32 1331 0 1088 4 1 3 3 0 8 0 art_node 16 323 0 284 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 11 1 0 1 1 0 8 0 semupl 112 9 0 9 2 2 0 1 0 8 0 semapl 112 2299 0 2289 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7495 0 6078 46 0 46 46 0 8 0 ffsino 272 7495 0 6078 96 1 95 95 0 8 0 nchpl 144 15050 0 14588 61 40 21 61 0 8 0 uvmvnodes 72 6153 0 0 112 0 112 112 0 8 0 vnodes 208 6153 0 0 324 0 324 324 0 8 0 namei 1024 50773 0 50773 4 3 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 18 0 0 3 0 3 3 0 8 0 vmpool 552 37 0 19 2 0 2 2 0 8 0 scsiplug 64 9 0 9 6 6 0 1 0 8 0 scxspl 192 42124 0 42124 23 22 1 4 0 8 1 plimitpl 152 310 0 302 1 0 1 1 0 8 0 sigapl 432 4295 0 4279 4 2 2 3 0 8 0 futexpl 56 126141 0 126141 1 0 1 1 0 8 1 knotepl 112 1518 0 1499 3 2 1 2 0 8 0 kqueuepl 104 1924 0 1922 4 3 1 4 0 8 0 pipepl 112 3752 0 3733 4 3 1 2 0 8 0 fdescpl 488 4296 0 4279 3 0 3 3 0 8 0 filepl 152 45808 0 45692 44 38 6 15 0 8 1 lockfpl 104 1418 0 1417 1 0 1 1 0 8 0 lockfspl 48 454 0 453 1 0 1 1 0 8 0 sessionpl 112 36 0 25 1 0 1 1 0 8 0 pgrppl 48 70 0 59 1 0 1 1 0 8 0 ucredpl 96 4389 0 4379 1 0 1 1 0 8 0 zombiepl 144 4279 0 4279 3 2 1 1 0 8 1 processpl 896 4313 0 4279 5 1 4 5 0 8 0 procpl 632 13296 0 13251 10 5 5 5 0 8 0 srpgc 64 35 0 35 12 12 0 1 0 8 0 sosppl 128 1427 0 1427 4 3 1 1 0 8 1 sockpl 384 15349 0 15316 54 49 5 16 0 8 1 mcl64k 65536 450 0 0 47 18 29 34 0 8 0 mcl16k 16384 21 0 0 3 1 2 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 1 2 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 517 0 0 50 0 50 50 0 8 0 mtagpl 80 443 0 0 8 0 8 8 0 8 0 mbufpl 256 1090 0 0 62 0 62 62 0 8 0 bufpl 256 18582 0 11524 442 0 442 442 0 8 0 anonpl 16 533713 0 508546 219 103 116 117 0 124 14 amapchunkpl 152 30690 0 30276 79 57 22 30 0 158 5 amappl16 192 24660 0 23481 182 113 69 72 0 8 8 amappl15 184 8 0 8 1 1 0 1 0 8 0 amappl14 176 589 0 581 1 0 1 1 0 8 0 amappl13 168 903 0 901 5 4 1 1 0 8 0 amappl12 160 1446 0 1446 4 4 0 1 0 8 0 amappl11 152 109 0 94 1 0 1 1 0 8 0 amappl10 144 357 0 351 1 0 1 1 0 8 0 amappl9 136 1616 0 1612 1 0 1 1 0 8 0 amappl8 128 1235 0 1172 4 1 3 3 0 8 0 amappl7 120 433 0 424 1 0 1 1 0 8 0 amappl6 112 78 0 65 1 0 1 1 0 8 0 amappl5 104 1784 0 1770 1 0 1 1 0 8 0 amappl4 96 4052 0 4016 1 0 1 1 0 8 0 amappl3 88 1153 0 1145 1 0 1 1 0 8 0 amappl2 80 33226 0 33140 3 0 3 3 0 8 0 amappl1 72 105208 0 104756 25 15 10 20 0 8 0 amappl 80 13936 0 13877 2 0 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 64 132 0 3 3 0 3 3 0 8 0 uaddrrnd 24 4333 0 4279 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4333 0 4279 1 0 1 1 0 8 0 vmmpekpl 168 39391 0 39352 3 0 3 3 0 8 0 vmmpepl 168 547865 0 545334 329 177 152 152 0 357 37 vmsppl 368 4295 0 4279 2 0 2 2 0 8 0 pdppl 4096 8673 0 8614 9 1 8 8 0 8 0 pvpl 32 1323353 0 1299641 382 158 224 231 0 265 26 pmappl 232 4332 0 4298 4 1 3 3 0 8 1 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 786 0 65 21 0 21 21 0 8 0