uvm_fault(0xfffffd803f014440, 0x867c31ce248, 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(0xfffffd803f014440, 0x867c31ce248, 0, 1) -> e in6_purgeaddr(ffff800000aae300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff800017780e10, count: 0 ddb> trace in6_purgeaddr(ffff800000aae300) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000ab3800) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000ab3800,18) at if_setrdomain+0x1a2 sys/net/if.c:1893 ifioctl(fffffd80363dcc08,8020699f,ffff800017780f60,ffff8000ffff2290) at ifioctl+0x12db sys/net/if.c:2151 sys_ioctl(ffff8000ffff2290,ffff800017781078,ffff8000177810c0) at sys_ioctl+0x5b9 syscall(ffff800017781140) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,f037d62a010) at Xsyscall+0x128 end of kernel end trace frame: 0xf05cfa58ad0, count: -7 ddb> show registers rdi 0xffffffff820e5371 rtfree+0x51 rsi 0x332c7 acpi_pdirpa+0x1f12f rbp 0xffff800017780da0 rbx 0 rdx 0x332c8 acpi_pdirpa+0x1f130 rcx 0xffff80001573f000 rax 0x3 r8 0x1 r9 0x1 r10 0xaf2ba9790230322b r11 0xdb2f24ca7de75aef r12 0x867c31ce240 r13 0 r14 0xffff800000aae300 r15 0xffff800000ab3800 rip 0xffffffff8118f7c5 in6_purgeaddr+0x135 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800017780d30 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb> show proc PROC (syz-executor.0) pid=322015 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2508,0xffffffff8258bb98 process=0xffff8000ffff70f0 user=0xffff80001777c000, vmspace=0xfffffd803f014440 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77494 163157 8720 0 2 0 syz-executor.0 *77494 322015 8720 0 7 0x4000000 syz-executor.0 41661 430189 48924 0 2 0 syz-executor.1 41661 168618 48924 0 3 0x4000080 select syz-executor.1 8720 160644 69962 0 3 0x82 nanosleep syz-executor.0 48924 338010 69962 0 3 0x82 nanosleep syz-executor.1 36836 93998 0 0 3 0x14200 bored sosplice 69962 308 51762 0 3 0x82 thrsleep syz-fuzzer 69962 5467 51762 0 3 0x4000082 thrsleep syz-fuzzer 69962 176231 51762 0 3 0x4000082 thrsleep syz-fuzzer 69962 121455 51762 0 3 0x4000082 thrsleep syz-fuzzer 69962 68756 51762 0 3 0x4000082 thrsleep syz-fuzzer 69962 362185 51762 0 3 0x4000082 kqread syz-fuzzer 69962 115685 51762 0 3 0x4000082 thrsleep syz-fuzzer 69962 194796 51762 0 3 0x4000082 thrsleep syz-fuzzer 51762 446070 86920 0 3 0x10008a pause ksh 86920 242228 35356 0 3 0x92 select sshd 50526 259507 1 0 3 0x100083 ttyin getty 35356 83995 1 0 3 0x80 select sshd 55388 437250 22556 73 3 0x100090 kqread syslogd 22556 162402 1 0 3 0x100082 netio syslogd 11041 229909 1 77 2 0x100090 dhclient 40691 265097 1 0 3 0x80 poll dhclient 99567 367152 0 0 2 0x14200 zerothread 99686 14818 0 0 3 0x14200 aiodoned aiodoned 17186 46431 0 0 3 0x14200 syncer update 30149 390174 0 0 3 0x14200 cleaner cleaner 7385 165469 0 0 3 0x14200 reaper reaper 11751 144817 0 0 3 0x14200 pgdaemon pagedaemon 73240 455426 0 0 3 0x14200 bored crynlk 95721 300547 0 0 3 0x14200 bored crypto 762 380165 0 0 3 0x40014200 acpi0 acpi0 70482 470357 0 0 3 0x14200 bored softnet 91321 186113 0 0 2 0x14200 systqmp 72197 210164 0 0 3 0x14200 bored systq 48365 490007 0 0 3 0x40014200 bored softclock 13897 312400 0 0 3 0x40014200 idle0 40298 476797 0 0 3 0x14200 bored smr 1 520118 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 9554 6361K 7588K 78643K 14620 0 0 pcb 14 8K 8K 78643K 171 0 0 rtable 90 4K 5K 78643K 657 0 0 ifaddr 76 15K 16K 78643K 184 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 64 0 0 iov 0 0K 16K 78643K 198 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1235 78K 78K 78643K 2378 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 3 5K 5K 78643K 14 0 0 VM map 14 3K 3K 78643K 14 0 0 sem 12 1K 1K 78643K 166 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 727 0 0 sigio 0 0K 0K 78643K 20 0 0 proc 48 38K 54K 78643K 557 0 0 subproc 32 2K 2K 78643K 85 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 50 0 0 in_multi 19 1K 2K 78643K 99 0 0 ether_multi 1 0K 0K 78643K 6 0 0 mrt 1 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 292 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 126 119K 125K 78643K 2727 0 0 UVM aobj 49 4K 4K 78643K 49 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 156 0 0 NDP 19 0K 0K 78643K 56 0 0 temp 182 3544K 4179K 78643K 28990 0 0 kqueue 0 0K 0K 78643K 5 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 24 0 20 1 0 1 1 0 8 0 rtpcb 80 116 0 114 1 0 1 1 0 8 0 rtentry 112 123 0 91 2 0 2 2 0 8 0 unpcb 120 418 0 410 1 0 1 1 0 8 0 syncache 264 6 0 6 3 3 0 1 0 8 0 tcpqe 32 55 0 55 3 3 0 1 0 8 0 tcpcb 544 304 0 300 2 1 1 2 0 8 0 ipq 40 6 0 6 2 2 0 1 0 8 0 ipqe 40 98 0 98 2 2 0 1 0 8 0 inpcb 280 849 0 840 6 4 2 3 0 8 1 rttmr 72 2 0 1 2 1 1 1 0 8 0 nd6 48 15 0 13 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 15 0 15 4 3 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 541 0 287 23 6 17 17 0 8 0 art_table 32 542 0 287 3 0 3 3 0 8 0 art_node 16 122 0 87 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 162 0 152 1 0 1 1 0 8 0 shmpl 112 47 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2534 0 1134 46 0 46 46 0 8 0 ffsino 240 2534 0 1134 83 0 83 83 0 8 0 nchpl 144 4074 0 3640 60 40 20 60 0 8 0 uvmvnodes 72 3547 0 0 65 0 65 65 0 8 0 vnodes 208 3547 0 0 187 0 187 187 0 8 0 namei 1024 12725 0 12725 2 1 1 1 0 8 1 vcpupl 1984 12 0 0 2 0 2 2 0 8 0 vmpool 520 12 0 0 1 0 1 1 0 8 0 scxspl 192 11781 0 11781 10 8 2 7 0 8 2 plimitpl 152 69 0 62 1 0 1 1 0 8 0 sigapl 432 888 0 874 2 0 2 2 0 8 0 futexpl 56 22848 0 22848 2 1 1 1 0 8 1 knotepl 112 227 0 208 3 2 1 3 0 8 0 kqueuepl 104 242 0 240 1 0 1 1 0 8 0 pipepl 112 652 0 633 3 1 2 2 0 8 1 fdescpl 424 889 0 874 2 0 2 2 0 8 0 filepl 120 7667 0 7569 8 3 5 6 0 8 2 lockfpl 104 259 0 258 1 0 1 1 0 8 0 lockfspl 48 90 0 89 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 833 0 826 1 0 1 1 0 8 0 zombiepl 144 874 0 874 1 0 1 1 0 8 1 processpl 864 904 0 874 4 0 4 4 0 8 0 procpl 632 1838 0 1799 4 0 4 4 0 8 0 sosppl 128 18 0 18 6 5 1 1 0 8 1 sockpl 384 1424 0 1405 9 6 3 5 0 8 1 mcl64k 65536 310 0 310 30 29 1 29 0 8 1 mcl16k 16384 8 0 8 5 4 1 1 0 8 1 mcl12k 12288 18 0 18 3 2 1 1 0 8 1 mcl9k 9216 14 0 14 2 1 1 1 0 8 1 mcl8k 8192 40 0 40 3 2 1 1 0 8 1 mcl4k 4096 99 0 99 3 2 1 1 0 8 1 mcl2k2 2112 10 0 10 3 2 1 1 0 8 1 mcl2k 2048 64932 0 64886 14 7 7 12 0 8 0 mtagpl 80 51 0 42 2 1 1 1 0 8 0 mbufpl 256 109617 0 109502 33 23 10 21 0 8 0 bufpl 256 9378 0 3326 380 1 379 379 0 8 0 anonpl 16 135774 0 114930 119 18 101 101 0 62 16 amapchunkpl 152 5326 0 5158 40 8 32 32 0 158 25 amappl16 192 5793 0 4631 101 35 66 69 0 8 7 amappl15 184 63 0 63 1 1 0 1 0 8 0 amappl14 176 64 0 59 1 0 1 1 0 8 0 amappl13 168 4 0 2 1 0 1 1 0 8 0 amappl12 160 8 0 8 2 2 0 1 0 8 0 amappl11 152 503 0 487 1 0 1 1 0 8 0 amappl10 144 176 0 174 1 0 1 1 0 8 0 amappl9 136 598 0 595 1 0 1 1 0 8 0 amappl8 128 193 0 160 3 1 2 2 0 8 0 amappl7 120 222 0 217 1 0 1 1 0 8 0 amappl6 112 485 0 472 1 0 1 1 0 8 0 amappl5 104 170 0 159 1 0 1 1 0 8 0 amappl4 96 1118 0 1086 1 0 1 1 0 8 0 amappl3 88 136 0 131 1 0 1 1 0 8 0 amappl2 80 6241 0 6165 3 1 2 3 0 8 0 amappl1 72 25672 0 25251 26 17 9 20 0 8 0 amappl 80 2148 0 2093 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 48 0 0 1 0 1 1 0 8 0 uaddrrnd 24 901 0 874 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 901 0 874 1 0 1 1 0 8 0 vmmpekpl 168 9949 0 9917 2 0 2 2 0 8 0 vmmpepl 168 115558 0 113185 168 54 114 142 0 357 10 vmsppl 272 888 0 874 2 1 1 2 0 8 0 pdppl 4096 1808 0 1760 8 1 7 7 0 8 0 pvpl 32 351223 0 327430 313 33 280 280 0 265 87 pmappl 200 900 0 874 2 0 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 594 0 80 15 0 15 15 0 8 0