uvm_fault(0xfffffd803f012880, 0xc00374f748, 0, 1) -> e kernel: page fault trap, code=0 Stopped at in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f012880, 0xc00374f748, 0, 1) -> e in6_purgeaddr(ffff800000ae9300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff80001593cfe0, count: 0 ddb> trace in6_purgeaddr(ffff800000ae9300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000ac8800) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000ac8800,18) at if_setrdomain+0x1a2 sys/net/if.c:1829 ifioctl(fffffd802db98048,8020699f,ffff80001593d130,ffff8000ffff38c8) at ifioctl+0x12d3 sys/net/if.c:2087 sys_ioctl(ffff8000ffff38c8,ffff80001593d248,ffff80001593d290) at sys_ioctl+0x5b9 syscall(ffff80001593d310) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,72bb450e010) at Xsyscall+0x128 end of kernel end trace frame: 0x72e9d2bcd80, count: -7 ddb> show registers rdi 0xffffffff819c79f8 rtfree+0x58 rsi 0x143d0 acpi_pdirpa+0x238 rbp 0xffff80001593cf70 rbx 0xffff800000ae9100 rdx 0x143d1 acpi_pdirpa+0x239 rcx 0xffff8000177a2000 rax 0 r8 0xffff800000b16d00 r9 0x1 r10 0xf94c3181b6273599 r11 0x1b4df241bc817599 r12 0xc00374f740 r13 0 r14 0xffff800000ae9300 r15 0xffff800000ac8800 rip 0xffffffff82014ef5 in6_purgeaddr+0x135 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80001593cf00 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb> show proc PROC (syz-executor.1) pid=131573 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3650,0xffffffff82565848 process=0xffff8000ffff7450 user=0xffff800015938000, vmspace=0xfffffd803f012880 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 43146 133427 83663 0 2 0 syz-executor.1 *43146 131573 83663 0 7 0x4000000 syz-executor.1 90705 373475 82267 0 3 0x2 biowait syz-executor.0 16896 37537 0 0 3 0x14200 acct acct 83663 223935 82267 0 3 0x82 nanosleep syz-executor.1 91570 3669 0 0 3 0x14200 bored sosplice 82267 177188 80857 0 3 0x82 thrsleep syz-fuzzer 82267 311405 80857 0 3 0x4000082 nanosleep syz-fuzzer 82267 314695 80857 0 3 0x4000082 thrsleep syz-fuzzer 82267 275383 80857 0 3 0x4000082 thrsleep syz-fuzzer 82267 6596 80857 0 3 0x4000082 thrsleep syz-fuzzer 82267 82038 80857 0 3 0x4000082 thrsleep syz-fuzzer 82267 136115 80857 0 3 0x4000082 thrsleep syz-fuzzer 82267 261062 80857 0 3 0x4000082 kqread syz-fuzzer 80857 508469 69397 0 3 0x10008a pause ksh 69397 389817 64956 0 3 0x92 select sshd 50638 50048 1 0 3 0x100083 ttyin getty 64956 1257 1 0 3 0x80 select sshd 37129 322967 30910 73 3 0x100090 kqread syslogd 30910 74206 1 0 3 0x100082 netio syslogd 43825 91296 0 0 2 0x14200 zerothread 42731 321397 0 0 3 0x14200 aiodoned aiodoned 58071 93040 0 0 3 0x14200 syncer update 96080 70456 0 0 3 0x14200 cleaner cleaner 22578 111194 0 0 3 0x14200 reaper reaper 96595 142497 0 0 3 0x14200 pgdaemon pagedaemon 24449 225154 0 0 3 0x14200 bored crynlk 30749 367701 0 0 3 0x14200 bored crypto 12812 80453 0 0 3 0x40014200 acpi0 acpi0 85697 32779 0 0 3 0x14200 bored softnet 35477 349142 0 0 2 0x14200 systqmp 1495 263849 0 0 3 0x14200 bored systq 29402 288357 0 0 3 0x40014200 bored softclock 10157 458143 0 0 3 0x40014200 idle0 79933 227337 0 0 3 0x14200 bored smr 1 402968 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9602 6970K 7713K 78643K 17088 0 0 pcb 14 8K 9K 78643K 1032 0 0 rtable 141 7K 7K 78643K 1364 0 0 ifaddr 103 21K 21K 78643K 502 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 226 0 0 iov 0 0K 32K 78643K 838 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1225 77K 77K 78643K 3719 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 56 0 0 VM map 31 7K 8K 78643K 46 0 0 sem 12 0K 0K 78643K 872 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1794 195K 288K 78643K 12646 0 0 file desc 5 13K 25K 78643K 3150 0 0 sigio 0 0K 0K 78643K 58 0 0 proc 44 30K 55K 78643K 1072 0 0 subproc 32 2K 2K 78643K 204 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 344 0 0 in_multi 30 2K 2K 78643K 422 0 0 ether_multi 1 0K 0K 78643K 37 0 0 mrt 0 0K 0K 78643K 18 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 126 556K 556K 78643K 126 0 0 exec 0 0K 1K 78643K 728 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 158 218K 220K 78643K 8833 0 0 UVM aobj 130 6K 6K 78643K 143 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 727 0 0 NDP 22 0K 1K 78643K 167 0 0 temp 241 3545K 4185K 78643K 103106 0 0 kqueue 0 0K 0K 78643K 29 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 52 0 47 1 0 1 1 0 8 0 rtpcb 80 345 0 345 3 2 1 1 0 8 1 rtentry 112 385 0 329 2 0 2 2 0 8 0 unpcb 120 1770 0 1761 4 3 1 2 0 8 0 syncache 264 13 0 13 5 5 0 1 0 8 0 tcpqe 32 136 0 136 3 3 0 1 0 8 0 tcpcb 544 6682 0 6677 7 5 2 3 0 8 1 ipq 40 38 0 38 10 10 0 1 0 8 0 ipqe 40 1287 0 1287 10 10 0 1 0 8 0 inpcb 280 9651 0 9644 15 11 4 5 0 8 3 rttmr 72 6 0 6 5 4 1 1 0 8 1 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 55 0 52 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 swfcl 56 3 0 0 1 0 1 1 0 8 0 ppxss 1128 52 0 52 13 12 1 1 0 8 1 art_heap8 4096 4 0 2 4 2 2 4 0 8 0 art_heap4 256 1720 0 1493 28 12 16 17 0 8 0 art_table 32 1724 0 1495 3 0 3 3 0 8 0 art_node 16 382 0 338 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 26 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 870 0 860 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6387 0 4986 46 0 46 46 0 8 0 ffsino 240 6387 0 4986 83 0 83 83 0 8 0 nchpl 144 11273 0 10788 60 39 21 60 0 8 0 uvmvnodes 72 7196 0 0 131 0 131 131 0 8 0 vnodes 208 7196 0 0 379 0 379 379 0 8 0 namei 1024 38691 0 38691 1 0 1 1 0 8 1 vcpupl 1984 30 0 1 4 0 4 4 0 8 0 vmpool 520 44 0 15 5 2 3 3 0 8 1 scsiplug 64 4 0 4 3 3 0 1 0 8 0 scxspl 192 38490 0 38489 23 19 4 7 0 8 3 plimitpl 152 349 0 343 1 0 1 1 0 8 0 sigapl 432 3290 0 3279 2 0 2 2 0 8 0 futexpl 56 97275 0 97275 1 0 1 1 0 8 1 knotepl 112 526 0 507 1 0 1 1 0 8 0 kqueuepl 104 1122 0 1120 1 0 1 1 0 8 0 pipepl 112 2222 0 2203 7 5 2 2 0 8 1 fdescpl 424 3291 0 3279 2 0 2 2 0 8 0 filepl 120 33119 0 33031 18 13 5 6 0 8 2 lockfpl 104 1144 0 1143 2 1 1 1 0 8 0 lockfspl 48 380 0 379 2 1 1 1 0 8 0 sessionpl 112 27 0 19 1 0 1 1 0 8 0 pgrppl 48 71 0 63 1 0 1 1 0 8 0 ucredpl 96 4270 0 4263 1 0 1 1 0 8 0 zombiepl 144 3280 0 3280 1 0 1 1 0 8 1 processpl 864 3308 0 3280 4 0 4 4 0 8 0 procpl 632 7370 0 7334 4 0 4 4 0 8 0 sosppl 128 40 0 40 12 12 0 1 0 8 0 sockpl 384 11824 0 11808 24 18 6 7 0 8 2 mcl64k 65536 595 0 595 31 30 1 29 0 8 1 mcl16k 16384 44 0 44 13 12 1 1 0 8 1 mcl12k 12288 103 0 103 7 6 1 1 0 8 1 mcl9k 9216 67 0 67 12 11 1 1 0 8 1 mcl8k 8192 126 0 126 6 5 1 1 0 8 1 mcl4k 4096 371 0 371 3 2 1 1 0 8 1 mcl2k2 2112 31 0 31 11 11 0 1 0 8 0 mcl2k 2048 73429 0 73382 20 13 7 16 0 8 0 mtagpl 80 121 0 115 2 1 1 1 0 8 0 mbufpl 256 157288 0 157192 133 116 17 34 0 8 2 bufpl 256 24892 0 17163 485 1 484 484 0 8 0 anonpl 16 454440 0 433560 184 82 102 102 0 62 10 amapchunkpl 152 19178 0 19013 88 71 17 21 0 158 9 amappl16 192 21510 0 20296 170 98 72 73 0 8 9 amappl15 184 2314 0 2310 4 3 1 1 0 8 0 amappl14 176 117 0 112 1 0 1 1 0 8 0 amappl13 168 179 0 179 3 2 1 1 0 8 1 amappl12 160 881 0 881 4 4 0 1 0 8 0 amappl11 152 287 0 283 1 0 1 1 0 8 0 amappl10 144 26 0 24 1 0 1 1 0 8 0 amappl9 136 1001 0 997 1 0 1 1 0 8 0 amappl8 128 593 0 548 2 0 2 2 0 8 0 amappl7 120 85 0 79 1 0 1 1 0 8 0 amappl6 112 269 0 257 1 0 1 1 0 8 0 amappl5 104 1123 0 1116 1 0 1 1 0 8 0 amappl4 96 3524 0 3495 1 0 1 1 0 8 0 amappl3 88 460 0 452 1 0 1 1 0 8 0 amappl2 80 26194 0 26128 3 1 2 3 0 8 0 amappl1 72 68900 0 68522 25 16 9 20 0 8 0 amappl 80 7898 0 7844 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 142 0 13 3 0 3 3 0 8 0 uaddrrnd 24 3335 0 3279 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3335 0 3279 1 0 1 1 0 8 0 vmmpekpl 168 24257 0 24219 2 0 2 2 0 8 0 vmmpepl 168 404586 0 402256 306 164 142 148 0 357 32 vmsppl 272 3290 0 3279 2 1 1 2 0 8 0 pdppl 4096 6676 0 6617 9 1 8 8 0 8 0 pvpl 32 1204230 0 1181317 491 187 304 304 0 265 106 pmappl 200 3334 0 3294 3 0 3 3 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 830 0 202 18 0 18 18 0 8 0