uvm_fault(0xfffffd807f00a450, 0x55bbafbd7b0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00a450, 0x55bbafbd7b0, 0, 1) -> e in6_purgeaddr(ffff800000b0c700) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff8000223b5610, count: 0 ddb{0}> trace in6_purgeaddr(ffff800000b0c700) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000bd5800) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000bd5800,6) at if_setrdomain+0x1a2 sys/net/if.c:1845 ifioctl(fffffd8065685350,8020699f,ffff8000223b5760,ffff800020ab0018) at ifioctl+0x1303 sys/net/if.c:2103 sys_ioctl(ffff800020ab0018,ffff8000223b5878,ffff8000223b58c0) at sys_ioctl+0x5b9 syscall(ffff8000223b5940) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff8000223b5940) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,cbc5d2d0010) at Xsyscall+0x128 end of kernel end trace frame: 0xcbec38b8e30, count: -7 ddb{0}> show registers rdi 0xffffffff816aef79 rtfree+0x59 rsi 0x2330a acpi_pdirpa+0xf172 rbp 0xffff8000223b55a0 rbx 0xffff800000bd6100 rdx 0x2330b acpi_pdirpa+0xf173 rcx 0xffff800022b84000 rax 0 r8 0xffffffff816b2454 rt_ifa_dellocal+0x44 r9 0x1 r10 0x18 r11 0x5eabc31c7df122cf r12 0x55bbafbd7a8 r13 0 r14 0xffff800000b0c700 r15 0xffff800000bd5800 rip 0xffffffff817d6ab5 in6_purgeaddr+0x135 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000223b5530 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{0}> show proc PROC (syz-executor.1) pid=493782 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ab0c70,0xffffffff82646fa0 process=0xffff800020a8ae10 user=0xffff8000223b0000, vmspace=0xfffffd807f00a450 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80826 180216 72964 0 2 0 syz-executor.1 *80826 493782 72964 0 7 0x4000000 syz-executor.1 15685 257832 2319 0 2 0 syz-executor.0 15685 495843 2319 0 3 0x4000080 netio syz-executor.0 69966 381269 1 0 3 0x82 nanosleep getty 2319 208907 30845 0 3 0x82 nanosleep syz-executor.0 72964 316089 30845 0 3 0x82 nanosleep syz-executor.1 36198 50112 0 0 3 0x14200 bored sosplice 16532 118696 0 0 3 0x14200 acct acct 30845 516577 38034 0 3 0x82 thrsleep syz-fuzzer 30845 251689 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 284520 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 42282 38034 0 3 0x4000082 kqread syz-fuzzer 30845 468795 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 197129 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 520498 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 450370 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 486404 38034 0 3 0x4000082 thrsleep syz-fuzzer 30845 101375 38034 0 3 0x4000082 thrsleep syz-fuzzer 38034 136742 81138 0 3 0x10008a pause ksh 81138 122937 60030 0 3 0x92 select sshd 60030 126379 1 0 3 0x80 select sshd 25017 444740 78134 74 3 0x100092 bpf pflogd 78134 266213 1 0 3 0x80 netio pflogd 79562 209471 85298 73 3 0x100090 kqread syslogd 85298 331254 1 0 3 0x100082 netio syslogd 53964 200353 1 77 7 0x100090 dhclient 33857 110767 1 0 3 0x80 poll dhclient 63143 506012 0 0 2 0x14200 zerothread 36297 380833 0 0 3 0x14200 aiodoned aiodoned 36694 175331 0 0 3 0x14200 syncer update 46682 89162 0 0 3 0x14200 cleaner cleaner 20416 330220 0 0 3 0x14200 reaper reaper 11942 83550 0 0 3 0x14200 pgdaemon pagedaemon 50971 279807 0 0 3 0x14200 bored crynlk 33002 150797 0 0 3 0x14200 bored crypto 31802 331742 0 0 3 0x40014200 acpi0 acpi0 87236 413849 0 0 3 0x40014200 idle1 69660 4042 0 0 3 0x14200 bored softnet 40632 390388 0 0 3 0x14200 bored systqmp 24349 142879 0 0 3 0x14200 bored systq 58354 310892 0 0 3 0x40014200 bored softclock 66971 117090 0 0 3 0x40014200 idle0 694 358054 0 0 3 0x14200 bored smr 1 77610 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80826 (syz-executor.1) thread 0xffff800020ab0018 (493782) exclusive rwlock netlock r = 0 (0xffffffff824d4548) #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 (0xffffffff82677638) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9639 7277K 8567K 78643K 21569 0 0 pcb 16 8K 8K 78643K 447 0 0 rtable 129 14K 14K 78643K 841 0 0 ifaddr 85 17K 17K 78643K 229 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1515 0 0 iov 0 0K 16K 78643K 194 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1247 78K 79K 78643K 3934 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 16 0 0 VM map 8 4K 4K 78643K 8 0 0 sem 12 1K 1K 78643K 14 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 1540 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 60 63K 95K 78643K 806 0 0 subproc 32 2K 2K 78643K 136 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 81 0 0 in_multi 30 2K 2K 78643K 168 0 0 ether_multi 1 0K 0K 78643K 14 0 0 mrt 0 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 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 433 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 135 60K 60K 78643K 5753 0 0 UVM aobj 78 5K 5K 78643K 78 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 198 0 0 NDP 19 0K 0K 78643K 71 0 0 temp 202 3560K 4199K 78643K 40116 0 0 kqueue 0 0K 0K 78643K 14 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 24 0 18 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 141 0 139 1 0 1 1 0 8 0 rtentry 112 161 0 111 2 0 2 2 0 8 0 unpcb 120 661 0 647 2 1 1 2 0 8 0 syncache 264 10 0 10 4 4 0 1 0 8 0 tcpqe 32 200 0 200 2 2 0 1 0 8 0 tcpcb 544 426 0 422 5 1 4 4 0 8 3 inpcb 280 1635 0 1620 6 2 4 4 0 8 2 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 3 0 3 1 1 0 1 0 8 0 nd6 48 23 0 19 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 ppxss 1128 20 0 20 3 2 1 1 0 8 1 pffrag 232 29 0 28 4 3 1 1 0 482 0 pffrnode 88 29 0 28 4 3 1 1 0 8 0 pffrent 40 915 0 914 4 3 1 1 0 8 0 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 97 0 36 1 0 1 1 0 8 0 pfstkey 112 98 0 37 2 0 2 2 0 8 0 pfstate 328 98 0 36 6 0 6 6 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 7 0 5 5 3 2 4 0 8 0 art_heap4 256 711 0 477 19 4 15 17 0 8 0 art_table 32 718 0 482 3 0 3 3 0 8 0 art_node 16 160 0 117 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 76 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4503 0 3094 46 0 46 46 0 8 0 ffsino 272 4503 0 3094 95 0 95 95 0 8 0 nchpl 144 7288 0 5671 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 28150 0 28150 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 552 6 0 0 1 0 1 1 0 8 0 scsiplug 64 3 0 3 1 1 0 1 0 8 0 scxspl 192 24927 0 24927 13 12 1 6 0 8 1 plimitpl 152 85 0 77 1 0 1 1 0 8 0 sigapl 432 1721 0 1705 3 1 2 3 0 8 0 futexpl 56 41513 0 41513 1 0 1 1 0 8 1 knotepl 112 281 0 262 2 1 1 2 0 8 0 kqueuepl 104 257 0 255 1 0 1 1 0 8 0 pipepl 112 704 0 685 1 0 1 1 0 8 0 fdescpl 488 1722 0 1705 3 0 3 3 0 8 0 filepl 152 15646 0 15532 10 4 6 8 0 8 1 lockfpl 104 313 0 312 1 0 1 1 0 8 0 lockfspl 48 114 0 113 1 0 1 1 0 8 0 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 44 0 34 1 0 1 1 0 8 0 ucredpl 96 2254 0 2245 1 0 1 1 0 8 0 zombiepl 144 1705 0 1705 1 0 1 1 0 8 1 processpl 896 1739 0 1705 4 0 4 4 0 8 0 procpl 632 4651 0 4606 6 1 5 5 0 8 1 srpgc 64 10 0 6 2 1 1 1 0 8 0 sosppl 128 16 0 16 3 2 1 1 0 8 1 sockpl 384 3105 0 3075 13 6 7 7 0 8 3 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 169 0 0 21 0 21 21 0 8 1 mtagpl 80 25 0 0 1 0 1 1 0 8 0 mbufpl 256 407 0 0 24 1 23 23 0 8 0 bufpl 256 10650 0 3592 442 0 442 442 0 8 0 anonpl 16 181833 0 162638 116 22 94 100 0 124 9 amapchunkpl 152 10166 0 10007 16 8 8 14 0 158 0 amappl16 192 8602 0 7454 81 21 60 70 0 8 2 amappl15 184 402 0 402 2 1 1 1 0 8 1 amappl14 176 220 0 213 1 0 1 1 0 8 0 amappl13 168 487 0 487 1 1 0 1 0 8 0 amappl12 160 96 0 95 3 2 1 1 0 8 0 amappl11 152 71 0 56 1 0 1 1 0 8 0 amappl10 144 53 0 46 1 0 1 1 0 8 0 amappl9 136 680 0 676 1 0 1 1 0 8 0 amappl8 128 269 0 223 2 0 2 2 0 8 0 amappl7 120 104 0 98 1 0 1 1 0 8 0 amappl6 112 87 0 73 1 0 1 1 0 8 0 amappl5 104 284 0 270 1 0 1 1 0 8 0 amappl4 96 2000 0 1969 1 0 1 1 0 8 0 amappl3 88 158 0 151 1 0 1 1 0 8 0 amappl2 80 13339 0 13259 3 1 2 3 0 8 0 amappl1 72 47478 0 47013 25 14 11 20 0 8 0 amappl 80 5026 0 4975 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 77 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1728 0 1705 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1728 0 1705 1 0 1 1 0 8 0 vmmpekpl 168 15635 0 15597 2 0 2 2 0 8 0 vmmpepl 168 223616 0 221181 180 33 147 147 0 357 40 vmsppl 368 1721 0 1705 2 0 2 2 0 8 0 pdppl 4096 3463 0 3416 7 0 7 7 0 8 1 pvpl 32 538399 0 515838 262 33 229 235 0 265 34 pmappl 232 1727 0 1705 3 1 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 637 0 12 18 0 18 18 0 8 0