uvm_fault(0xfffffd803f013dd0, 0x2f488c248, 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(0xfffffd803f013dd0, 0x2f488c248, 0, 1) -> e in6_purgeaddr(ffff800000ae0300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff80001593ace0, count: 0 ddb> trace in6_purgeaddr(ffff800000ae0300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000b0a800) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000b0a800,ad) at if_setrdomain+0x1a2 sys/net/if.c:1829 ifioctl(fffffd802e1b47c8,8020699f,ffff80001593ae30,ffff8000149153d8) at ifioctl+0x12d3 sys/net/if.c:2087 sys_ioctl(ffff8000149153d8,ffff80001593af48,ffff80001593af90) at sys_ioctl+0x5b9 syscall(ffff80001593b010) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,c7420bc4010) at Xsyscall+0x128 end of kernel end trace frame: 0xc7661fbc800, count: -7 ddb> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff80001593ac70 rbx 0 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800015986000 rax 0 r8 0xffff800000ae0500 r9 0x1 r10 0x90c2e24121296e5a r11 0xc8238dc072fe4246 r12 0x2f488c240 r13 0 r14 0xffff800000ae0300 r15 0xffff800000b0a800 rip 0xffffffff81007a65 in6_purgeaddr+0x135 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80001593ac00 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb> show proc PROC (syz-executor.1) pid=509049 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800014915b40,0xffffffff825a65d0 process=0xffff8000ffff66d0 user=0xffff800015936000, vmspace=0xfffffd803f013dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 66554 225481 88715 0 2 0 syz-executor.0 88724 145040 69724 0 2 0 syz-executor.1 *88724 509049 69724 0 7 0x4000000 syz-executor.1 88715 241941 36972 0 3 0x82 nanosleep syz-executor.0 69724 422136 36972 0 3 0x82 nanosleep syz-executor.1 13868 244063 0 0 3 0x14200 acct acct 40106 74801 1 0 3 0x100083 ttyin getty 52388 416983 0 0 3 0x14200 bored sosplice 36972 78772 52061 0 3 0x82 thrsleep syz-fuzzer 36972 222001 52061 0 3 0x4000082 nanosleep syz-fuzzer 36972 310463 52061 0 3 0x4000082 kqread syz-fuzzer 36972 118994 52061 0 3 0x4000082 thrsleep syz-fuzzer 36972 259267 52061 0 3 0x4000082 thrsleep syz-fuzzer 36972 164015 52061 0 3 0x4000082 thrsleep syz-fuzzer 36972 359324 52061 0 3 0x4000082 thrsleep syz-fuzzer 36972 250575 52061 0 3 0x4000082 thrsleep syz-fuzzer 52061 38398 76195 0 3 0x10008a pause ksh 76195 275551 17776 0 3 0x92 select sshd 17776 429296 1 0 3 0x80 select sshd 11516 64102 68301 73 3 0x100090 kqread syslogd 68301 312105 1 0 3 0x100082 netio syslogd 23662 58424 1 77 2 0x100090 dhclient 30014 36091 1 0 3 0x80 poll dhclient 47616 442719 0 0 2 0x14200 zerothread 89256 250957 0 0 3 0x14200 aiodoned aiodoned 55995 242937 0 0 3 0x14200 syncer update 14597 515445 0 0 3 0x14200 cleaner cleaner 65302 232803 0 0 3 0x14200 reaper reaper 76611 433250 0 0 3 0x14200 pgdaemon pagedaemon 94095 88566 0 0 3 0x14200 bored crynlk 45289 136812 0 0 3 0x14200 bored crypto 29476 427544 0 0 3 0x40014200 acpi0 acpi0 52710 497401 0 0 3 0x14200 bored softnet 95105 50920 0 0 2 0x14200 systqmp 83590 170038 0 0 3 0x14200 bored systq 96769 188484 0 0 3 0x40014200 bored softclock 46621 94598 0 0 3 0x40014200 idle0 54633 508009 0 0 3 0x14200 bored smr 1 70823 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 9510 6344K 7684K 78643K 14534 0 0 pcb 13 8K 8K 78643K 208 0 0 rtable 87 11K 11K 78643K 707 0 0 ifaddr 60 13K 14K 78643K 184 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 86 0 0 iov 0 0K 16K 78643K 169 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1234 78K 78K 78643K 2334 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 19 0 0 VM map 20 5K 5K 78643K 25 0 0 sem 12 1K 1K 78643K 263 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 765 0 0 sigio 0 0K 0K 78643K 16 0 0 proc 49 38K 63K 78643K 648 0 0 subproc 32 2K 2K 78643K 119 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 83 0 0 in_multi 20 1K 2K 78643K 121 0 0 ether_multi 1 0K 0K 78643K 5 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 330 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 137 169K 185K 78643K 2835 0 0 UVM aobj 93 6K 6K 78643K 95 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 136 0 0 NDP 14 0K 0K 78643K 56 0 0 temp 176 3539K 3615K 78643K 36494 0 0 kqueue 0 0K 0K 78643K 10 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 27 0 23 1 0 1 1 0 8 0 rtpcb 80 113 0 111 1 0 1 1 0 8 0 rtentry 112 140 0 108 2 0 2 2 0 8 0 unpcb 120 738 0 728 3 2 1 2 0 8 0 syncache 264 9 0 9 3 3 0 1 0 8 0 tcpqe 32 148 0 148 2 2 0 1 0 8 0 tcpcb 544 359 0 353 4 3 1 2 0 8 0 ipq 40 8 0 8 4 3 1 1 0 8 1 ipqe 40 276 0 276 4 3 1 1 0 8 1 inpcb 280 1421 0 1411 7 5 2 3 0 8 1 nd6 48 21 0 18 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 3 0 1 0 8 0 ppxss 1128 15 0 15 6 5 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 582 0 365 18 2 16 16 0 8 0 art_table 32 583 0 365 2 0 2 2 0 8 0 art_node 16 139 0 104 1 0 1 1 0 8 0 sysvmsgpl 40 74 0 36 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 261 0 251 1 0 1 1 0 8 0 shmpl 112 93 0 2 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2523 0 1127 46 0 46 46 0 8 0 ffsino 240 2523 0 1127 83 0 83 83 0 8 0 nchpl 144 3848 0 3412 60 39 21 60 0 8 0 uvmvnodes 72 3508 0 0 64 0 64 64 0 8 0 vnodes 208 3508 0 0 185 0 185 185 0 8 0 namei 1024 12392 0 12392 3 2 1 1 0 8 1 vcpupl 1984 18 0 0 3 0 3 3 0 8 0 vmpool 520 23 0 5 2 0 2 2 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 15339 0 15339 9 8 1 7 0 8 1 plimitpl 152 88 0 81 1 0 1 1 0 8 0 sigapl 432 921 0 907 2 0 2 2 0 8 0 futexpl 56 27120 0 27120 4 3 1 1 0 8 1 knotepl 112 221 0 202 1 0 1 1 0 8 0 kqueuepl 104 257 0 255 1 0 1 1 0 8 0 pipepl 112 802 0 783 6 4 2 2 0 8 1 fdescpl 424 922 0 907 2 0 2 2 0 8 0 filepl 120 8242 0 8146 11 6 5 6 0 8 2 lockfpl 104 270 0 269 1 0 1 1 0 8 0 lockfspl 48 86 0 85 1 0 1 1 0 8 0 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 55 0 45 1 0 1 1 0 8 0 ucredpl 96 955 0 948 1 0 1 1 0 8 0 zombiepl 144 907 0 907 1 0 1 1 0 8 1 processpl 864 938 0 907 4 0 4 4 0 8 0 procpl 632 1866 0 1827 5 0 5 5 0 8 1 sosppl 128 7 0 7 2 2 0 1 0 8 0 sockpl 384 2363 0 2341 15 10 5 6 0 8 2 mcl64k 65536 75 0 75 5 4 1 1 0 8 1 mcl16k 16384 21 0 21 6 5 1 1 0 8 1 mcl12k 12288 31 0 31 6 5 1 1 0 8 1 mcl9k 9216 7 0 7 4 3 1 1 0 8 1 mcl8k 8192 45 0 45 5 4 1 1 0 8 1 mcl4k 4096 114 0 114 6 5 1 1 0 8 1 mcl2k2 2112 5 0 5 3 3 0 1 0 8 0 mcl2k 2048 70738 0 70693 16 9 7 13 0 8 0 mtagpl 80 463 0 438 6 3 3 4 0 8 1 mbufpl 256 120946 0 120736 44 16 28 31 0 8 4 bufpl 256 9521 0 3398 383 0 383 383 0 8 0 anonpl 16 140889 0 120156 128 36 92 101 0 62 5 amapchunkpl 152 5570 0 5399 31 22 9 17 0 158 1 amappl16 192 5870 0 4722 99 32 67 70 0 8 8 amappl15 184 155 0 155 2 1 1 1 0 8 1 amappl14 176 385 0 380 1 0 1 1 0 8 0 amappl13 168 8 0 8 1 1 0 1 0 8 0 amappl12 160 158 0 155 2 1 1 1 0 8 0 amappl11 152 96 0 83 1 0 1 1 0 8 0 amappl10 144 15 0 13 1 0 1 1 0 8 0 amappl9 136 634 0 630 1 0 1 1 0 8 0 amappl8 128 242 0 207 2 0 2 2 0 8 0 amappl7 120 62 0 57 1 0 1 1 0 8 0 amappl6 112 97 0 85 1 0 1 1 0 8 0 amappl5 104 354 0 344 1 0 1 1 0 8 0 amappl4 96 1070 0 1044 1 0 1 1 0 8 0 amappl3 88 540 0 535 1 0 1 1 0 8 0 amappl2 80 6428 0 6360 3 1 2 3 0 8 0 amappl1 72 26907 0 26498 27 18 9 20 0 8 0 amappl 80 2196 0 2139 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 94 0 2 2 0 2 2 0 8 0 uaddrrnd 24 945 0 907 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 945 0 907 1 0 1 1 0 8 0 vmmpekpl 168 10686 0 10654 2 0 2 2 0 8 0 vmmpepl 168 121047 0 118723 221 78 143 143 0 357 39 vmsppl 272 921 0 907 2 1 1 2 0 8 0 pdppl 4096 1896 0 1842 8 1 7 7 0 8 0 pvpl 32 421698 0 398018 299 87 212 298 0 265 19 pmappl 200 944 0 912 2 0 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 589 0 54 16 0 16 16 0 8 0