uvm_fault(0xfffffd807f00a5c0, 0x92faa16baf8, 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(0xfffffd807f00a5c0, 0x92faa16baf8, 0, 1) -> e in6_purgeaddr(ffff800000a92a00) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 end trace frame: 0xffff800020b55190, count: 0 ddb{0}> trace in6_purgeaddr(ffff800000a92a00) at in6_purgeaddr+0x135 sys/netinet6/in6.c:914 in6_ifdetach(ffff800000a98000) at in6_ifdetach+0x74 sys/netinet6/in6_ifattach.c:422 if_setrdomain(ffff800000a98000,ad) at if_setrdomain+0x1a2 sys/net/if.c:1845 ifioctl(fffffd805fd3b020,8020699f,ffff800020b552e0,ffff800020ab18c8) at ifioctl+0x1303 sys/net/if.c:2103 sys_ioctl(ffff800020ab18c8,ffff800020b553f8,ffff800020b55440) at sys_ioctl+0x5b9 syscall(ffff800020b554c0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020b554c0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,e48f82fa010) at Xsyscall+0x128 end of kernel end trace frame: 0xe4b8c2820c0, count: -7 ddb{0}> show registers rdi 0xffffffff816aef79 rtfree+0x59 rsi 0x1dc42 acpi_pdirpa+0x9aaa rbp 0xffff800020b55120 rbx 0xffff800000b45400 rdx 0x1dc43 acpi_pdirpa+0x9aab rcx 0xffff800022d8a000 rax 0 r8 0xffffffff816b2454 rt_ifa_dellocal+0x44 r9 0x1 r10 0x18 r11 0xf962c918aa7d175 r12 0x92faa16baf0 r13 0 r14 0xffff800000a92a00 r15 0xffff800000a98000 rip 0xffffffff817d6ab5 in6_purgeaddr+0x135 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020b550b0 ss 0x10 in6_purgeaddr+0x135: movq 0x8(%r12),%r13 ddb{0}> show proc PROC (syz-executor.1) pid=150674 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020ab0290,0xffffffff82646fa0 process=0xffff800020a8b890 user=0xffff800020b50000, vmspace=0xfffffd807f00a5c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 81336 132627 95360 0 2 0 syz-executor.1 *81336 150674 95360 0 7 0x4000000 syz-executor.1 16521 346504 85923 0 2 0 syz-executor.0 16521 261547 85923 0 3 0x4000080 netcon2 syz-executor.0 16521 498821 85923 0 3 0x4000080 netcon2 syz-executor.0 85923 398923 36450 0 2 0x2 syz-executor.0 21469 8556 0 0 3 0x14200 acct acct 82623 197250 0 0 3 0x14200 bored sosplice 95360 415411 36450 0 3 0x82 nanosleep syz-executor.1 36450 476958 86301 0 3 0x82 thrsleep syz-fuzzer 36450 443479 86301 0 3 0x4000082 nanosleep syz-fuzzer 36450 163537 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 278821 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 488332 86301 0 3 0x4000082 kqread syz-fuzzer 36450 439319 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 155917 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 146174 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 486537 86301 0 3 0x4000082 thrsleep syz-fuzzer 36450 220086 86301 0 3 0x4000082 thrsleep syz-fuzzer 86301 374521 24732 0 3 0x10008a pause ksh 24732 370650 83060 0 3 0x92 select sshd 20738 137623 1 0 3 0x100083 ttyin getty 83060 372442 1 0 3 0x80 select sshd 98329 486093 51441 74 3 0x100092 bpf pflogd 51441 189186 1 0 3 0x80 netio pflogd 42609 259302 18873 73 3 0x100090 kqread syslogd 18873 322947 1 0 3 0x100082 netio syslogd 13536 487672 1 77 7 0x100090 dhclient 70789 499663 1 0 3 0x80 poll dhclient 9000 492980 0 0 2 0x14200 zerothread 14225 11039 0 0 3 0x14200 aiodoned aiodoned 39900 125251 0 0 3 0x14200 syncer update 67637 113327 0 0 3 0x14200 cleaner cleaner 11542 36286 0 0 3 0x14200 reaper reaper 93413 327277 0 0 3 0x14200 pgdaemon pagedaemon 80096 11459 0 0 3 0x14200 bored crynlk 64585 363078 0 0 3 0x14200 bored crypto 75769 451032 0 0 3 0x40014200 acpi0 acpi0 13344 461868 0 0 3 0x40014200 idle1 5669 120387 0 0 3 0x14200 bored softnet 85774 410781 0 0 3 0x14200 bored systqmp 9112 199968 0 0 3 0x14200 bored systq 63239 70230 0 0 3 0x40014200 bored softclock 75114 209047 0 0 3 0x40014200 idle0 46942 473288 0 0 3 0x14200 bored smr 1 21211 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 81336 (syz-executor.1) thread 0xffff800020ab18c8 (150674) 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 9568 7193K 7575K 78643K 13950 0 0 pcb 13 8K 8K 78643K 880 0 0 rtable 103 12K 12K 78643K 1043 0 0 ifaddr 75 15K 15K 78643K 242 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 2577 0 0 iov 0 0K 24K 78643K 1204 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1213 76K 77K 78643K 2238 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 23 0 0 VM map 14 7K 7K 78643K 18 0 0 sem 12 0K 1K 78643K 1312 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 4199 0 0 sigio 0 0K 0K 78643K 19 0 0 proc 61 63K 95K 78643K 755 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 53 0 0 in_multi 29 1K 2K 78643K 123 0 0 ether_multi 1 0K 0K 78643K 12 0 0 mrt 0 0K 0K 78643K 292 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 381 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 162 105K 105K 78643K 13958 0 0 UVM aobj 130 6K 6K 78643K 137 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 145 0 0 NDP 17 0K 0K 78643K 71 0 0 temp 191 3556K 4195K 78643K 29740 0 0 kqueue 0 0K 1K 78643K 945 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 17 0 12 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 76 0 74 1 0 1 1 0 8 0 rtentry 112 113 0 73 2 0 2 2 0 8 0 unpcb 120 1790 0 1778 1 0 1 1 0 8 0 syncache 264 7 0 7 4 4 0 1 0 8 0 tcpqe 32 150 0 150 3 3 0 1 0 8 0 tcpcb 544 328 0 321 4 2 2 2 0 8 1 inpcb 280 2394 0 2383 11 8 3 3 0 8 2 rttmr 72 5 0 5 4 4 0 1 0 8 0 nd6 48 17 0 13 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 ppxss 1128 27 0 27 7 7 0 1 0 8 0 pffrag 232 15 0 15 6 5 1 1 0 482 1 pffrnode 88 15 0 15 6 5 1 1 0 8 1 pffrent 40 331 0 331 6 5 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 24 152 0 118 1 0 1 1 0 8 0 pfstkey 112 152 0 118 3 1 2 3 0 8 0 pfstate 328 152 0 117 9 5 4 8 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 504 0 291 16 0 16 16 0 8 0 art_table 32 505 0 291 2 0 2 2 0 8 0 art_node 16 112 0 75 1 0 1 1 0 8 0 sysvmsgpl 40 257 0 249 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1305 0 1295 1 0 1 1 0 8 0 shmpl 112 135 0 7 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6589 0 5179 46 0 46 46 0 8 0 ffsino 272 6589 0 5179 96 1 95 95 0 8 0 nchpl 144 13396 0 12923 61 41 20 61 0 8 0 uvmvnodes 72 6043 0 0 110 0 110 110 0 8 0 vnodes 208 6043 0 0 319 0 319 319 0 8 0 namei 1024 38761 0 38761 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 12 0 0 2 0 2 2 0 8 0 vmpool 552 16 0 4 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 36312 0 36312 16 15 1 5 0 8 1 plimitpl 152 84 0 76 1 0 1 1 0 8 0 sigapl 432 4382 0 4366 3 1 2 3 0 8 0 futexpl 56 85776 0 85776 1 0 1 1 0 8 1 knotepl 112 4032 0 4013 13 11 2 3 0 8 1 kqueuepl 104 4399 0 4397 19 17 2 2 0 8 1 pipepl 112 5900 0 5881 18 17 1 2 0 8 0 fdescpl 488 4383 0 4366 3 0 3 3 0 8 0 filepl 152 33910 0 33802 50 42 8 10 0 8 3 lockfpl 104 2358 0 2355 1 0 1 1 0 8 0 lockfspl 48 548 0 545 1 0 1 1 0 8 0 sessionpl 112 23 0 12 1 0 1 1 0 8 0 pgrppl 48 33 0 22 1 0 1 1 0 8 0 ucredpl 96 1000 0 991 1 0 1 1 0 8 0 zombiepl 144 4367 0 4367 1 0 1 1 0 8 1 processpl 896 4401 0 4367 4 0 4 4 0 8 0 procpl 632 12787 0 12741 13 8 5 5 0 8 1 srpgc 64 10 0 10 5 5 0 1 0 8 0 sosppl 128 11 0 11 3 3 0 1 0 8 0 sockpl 384 4282 0 4257 24 19 5 5 0 8 2 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 29 0 0 4 1 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 16 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 18 0 0 3 1 2 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 325 0 0 23 8 15 23 0 8 1 mtagpl 80 110 0 0 3 0 3 3 0 8 0 mbufpl 256 664 0 0 26 0 26 26 0 8 0 bufpl 256 15498 0 8440 442 0 442 442 0 8 0 anonpl 16 337794 0 310304 158 40 118 118 0 124 7 amapchunkpl 152 24138 0 23463 41 10 31 31 0 158 4 amappl16 192 18399 0 17300 96 39 57 67 0 8 2 amappl15 184 116 0 113 1 0 1 1 0 8 0 amappl14 176 1752 0 1748 1 0 1 1 0 8 0 amappl13 168 160 0 158 1 0 1 1 0 8 0 amappl12 160 39 0 35 1 0 1 1 0 8 0 amappl11 152 2190 0 2173 1 0 1 1 0 8 0 amappl10 144 24 0 18 1 0 1 1 0 8 0 amappl9 136 672 0 669 1 0 1 1 0 8 0 amappl8 128 299 0 245 2 0 2 2 0 8 0 amappl7 120 78 0 68 1 0 1 1 0 8 0 amappl6 112 2186 0 2167 1 0 1 1 0 8 0 amappl5 104 307 0 293 1 0 1 1 0 8 0 amappl4 96 3296 0 3262 1 0 1 1 0 8 0 amappl3 88 3529 0 3522 1 0 1 1 0 8 0 amappl2 80 34217 0 34136 3 1 2 3 0 8 0 amappl1 72 95427 0 94967 25 15 10 20 0 8 0 amappl 80 13134 0 13080 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 64 136 0 7 3 0 3 3 0 8 0 uaddrrnd 24 4399 0 4366 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4399 0 4366 1 0 1 1 0 8 0 vmmpekpl 168 37087 0 37047 3 0 3 3 0 8 0 vmmpepl 168 524993 0 522576 278 130 148 150 0 357 42 vmsppl 368 4382 0 4366 2 0 2 2 0 8 0 pdppl 4096 8805 0 8752 9 2 7 7 0 8 0 pvpl 32 994920 0 972198 333 130 203 224 0 265 12 pmappl 232 4398 0 4370 4 2 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 641 0 19 18 0 18 18 0 8 0