uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d77f0f0, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b1b9c0,ffff800000ad8000,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d77f308) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8058916340,80286987,ffff80001d77f2f0,ffff80001d71ceb0) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d71ceb0,ffff80001d77f408,ffff80001d77f450) at sys_ioctl+0x4a1 syscall(ffff80001d77f4d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef59e13e9f0, count: -9 ddb> show registers rdi 0xffffffff816fe797 pfi_address_add+0x1e7 rsi 0x19e rbp 0xffff80001d77f050 rbx 0 rdx 0x19f rcx 0xffff80001e788000 rax 0 r8 0xffffffff816fe051 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x28570214bdba54db r12 0x68 r13 0x2 r14 0xffff800000654068 r15 0 rip 0xffffffff816fe79b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d77efe0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=458567 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff80001d71d600,0xffffffff8280df10 process=0xffff80001d6c4010 user=0xffff80001d77a000, vmspace=0xfffffd806bc09bb0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 17426 336428 30637 0 2 0 syz-executor.1 *17426 458567 30637 0 7 0x4000000 syz-executor.1 17913 311867 0 0 3 0x14200 bored sosplice 30637 359640 90292 0 3 0x82 nanosleep syz-executor.1 58714 203916 90292 0 3 0x82 piperd syz-executor.0 90292 499529 96934 0 3 0x82 thrsleep syz-fuzzer 90292 155667 96934 0 3 0x4000082 nanosleep syz-fuzzer 90292 443415 96934 0 3 0x4000082 thrsleep syz-fuzzer 90292 47330 96934 0 3 0x4000082 thrsleep syz-fuzzer 90292 487702 96934 0 3 0x4000082 thrsleep syz-fuzzer 90292 55549 96934 0 3 0x4000082 thrsleep syz-fuzzer 90292 233303 96934 0 3 0x4000082 thrsleep syz-fuzzer 90292 181371 96934 0 2 0x4000002 syz-fuzzer 96934 391824 66097 0 3 0x10008a pause ksh 66097 346193 62452 0 3 0x92 select sshd 779 485288 1 0 3 0x100083 ttyin getty 62452 465116 1 0 3 0x80 select sshd 18327 17019 16508 73 3 0x100090 kqread syslogd 16508 489861 1 0 3 0x100082 netio syslogd 47291 476455 1 77 3 0x100090 poll dhclient 93928 309119 1 0 3 0x80 poll dhclient 20862 367100 0 0 3 0x14200 bored smr 21163 438478 0 0 2 0x14200 zerothread 96495 19754 0 0 3 0x14200 aiodoned aiodoned 1738 216738 0 0 3 0x14200 syncer update 38422 68040 0 0 3 0x14200 cleaner cleaner 23907 305052 0 0 3 0x14200 reaper reaper 13901 341607 0 0 3 0x14200 pgdaemon pagedaemon 47591 147616 0 0 3 0x14200 bored crynlk 75708 81410 0 0 3 0x14200 bored crypto 63059 211150 0 0 3 0x40014200 acpi0 acpi0 43112 133028 0 0 3 0x14200 bored softnet 82292 459534 0 0 3 0x14200 bored systqmp 97101 366659 0 0 3 0x14200 bored systq 57330 1377 0 0 3 0x40014200 bored softclock 50340 80534 0 0 3 0x40014200 idle0 1 313770 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 devbuf 9488 6337K 7490K 78643K 14745 0 pcb 14 8K 8K 78643K 88 0 rtable 126 7K 9K 78643K 433 0 ifaddr 78 16K 16K 78643K 150 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 24 0 ioctlops 0 0K 4K 78643K 81 0 iov 0 0K 16K 78643K 51 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 2231 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 157 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 696 0 sigio 0 0K 0K 78643K 15 0 proc 50 38K 63K 78643K 377 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 44 0 in_multi 57 2K 3K 78643K 160 0 ether_multi 1 0K 0K 78643K 13 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 215 0 pfkey data 0 0K 0K 78643K 2 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 136 23K 44K 78643K 2357 0 UVM aobj 19 2K 2K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 54 0 NDP 10 0K 0K 78643K 26 0 temp 112 3862K 3926K 78643K 11494 0 kqueue 3 4K 14K 78643K 18 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 0 1 0 1 1 0 8 0 rtpcb 80 49 0 47 1 0 1 1 0 8 0 rtentry 112 83 0 37 2 0 2 2 0 8 0 unpcb 120 250 0 241 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 442 0 442 2 2 0 1 0 8 0 tcpcb 544 142 0 138 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 8 0 8 1 1 0 1 0 8 0 inpcb 296 725 0 712 4 2 2 2 0 8 0 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 20 0 16 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pfrktable 1344 59 0 52 2 1 1 2 0 8 0 pftag 88 10 0 8 3 2 1 1 0 8 0 pfstkey 112 6 0 6 2 2 0 1 0 8 0 pfstate 328 3 0 3 2 2 0 1 0 8 0 pfrule 1360 18 0 8 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 364 0 174 14 2 12 14 0 8 0 art_table 32 366 0 174 2 0 2 2 0 8 0 art_node 16 82 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 3 1 0 1 1 0 8 0 semapl 112 153 0 143 1 0 1 1 0 8 0 shmpl 112 21 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2201 0 803 88 0 88 88 0 8 0 ffsino 240 2201 0 803 83 0 83 83 0 8 0 nchpl 144 3252 0 1661 60 0 60 60 0 8 0 uvmvnodes 72 3217 0 0 59 0 59 59 0 8 0 vnodes 208 3217 0 0 170 0 170 170 0 8 0 namei 1024 9067 0 9067 1 0 1 1 0 8 1 vmpool 528 1 0 1 1 1 0 1 0 8 0 pfiaddrpl 120 20 0 14 1 0 1 1 0 8 0 scxspl 192 10041 0 10041 1 0 1 1 0 8 1 plimitpl 152 43 0 36 1 0 1 1 0 8 0 sigapl 424 883 0 854 4 0 4 4 0 8 0 futexpl 56 12365 0 12365 1 0 1 1 0 8 1 knotepl 112 82 0 63 1 0 1 1 0 8 0 kqueuepl 144 38 0 36 1 0 1 1 0 8 0 pipepl 272 148 0 138 1 0 1 1 0 8 0 fdescpl 432 868 0 854 2 0 2 2 0 8 0 filepl 120 4620 0 4522 4 0 4 4 0 8 1 lockfpl 104 129 0 128 1 0 1 1 0 8 0 lockfspl 48 52 0 51 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 25 0 15 1 0 1 1 0 8 0 ucredpl 96 321 0 314 1 0 1 1 0 8 0 zombiepl 144 854 0 854 1 0 1 1 0 8 1 processpl 928 883 0 854 4 0 4 4 0 8 0 procpl 624 1636 0 1599 9 6 3 4 0 8 0 sockpl 400 1030 0 1009 7 4 3 4 0 8 0 mcl64k 65536 30 0 30 7 6 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 9 0 9 5 5 0 1 0 8 0 mcl9k 9216 8 0 8 6 6 0 1 0 8 0 mcl8k 8192 7 0 7 4 4 0 1 0 8 0 mcl4k 4096 54 0 54 5 4 1 1 0 8 1 mcl2k2 2112 5 0 5 5 5 0 1 0 8 0 mcl2k 2048 90362 0 90301 28 19 9 23 0 8 0 mtagpl 96 388 0 106 8 1 7 7 0 8 0 mbufpl 256 147164 0 146425 50 2 48 49 0 8 0 bufpl 280 4650 0 125 324 0 324 324 0 8 0 anonpl 16 97035 0 79804 105 31 74 90 0 107 0 amapchunkpl 152 3460 0 3327 23 17 6 20 0 158 0 amappl16 192 4507 0 3492 80 29 51 63 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 29 0 23 1 0 1 1 0 8 0 amappl13 168 690 0 684 1 0 1 1 0 8 0 amappl12 160 3 0 1 2 1 1 1 0 8 0 amappl11 152 47 0 38 1 0 1 1 0 8 0 amappl10 144 28 0 21 1 0 1 1 0 8 0 amappl9 136 378 0 377 1 0 1 1 0 8 0 amappl8 128 345 0 293 2 0 2 2 0 8 0 amappl7 120 106 0 94 1 0 1 1 0 8 0 amappl6 112 28 0 19 1 0 1 1 0 8 0 amappl5 104 795 0 784 1 0 1 1 0 8 0 amappl4 96 1087 0 1059 1 0 1 1 0 8 0 amappl3 88 129 0 124 1 0 1 1 0 8 0 amappl2 80 6123 0 6058 2 0 2 2 0 8 0 amappl1 72 27427 0 27011 22 13 9 17 0 8 0 amappl 80 1859 0 1818 1 0 1 1 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 23 0 5 1 0 1 1 0 8 0 uaddrrnd 24 869 0 855 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 869 0 855 1 0 1 1 0 8 0 vmmpekpl 168 9340 0 9312 2 0 2 2 0 8 0 vmmpepl 168 110664 0 108531 144 50 94 117 0 357 1 vmsppl 272 868 0 855 2 1 1 2 0 8 0 pdppl 4096 1744 0 1710 6 1 5 6 0 8 0 pvpl 32 269263 0 249032 226 54 172 209 0 265 1 pmappl 200 868 0 855 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 315 0 52 8 0 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b1b9c0,ffff800000ad8000,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d77f308) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8058916340,80286987,ffff80001d77f2f0,ffff80001d71ceb0) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d71ceb0,ffff80001d77f408,ffff80001d77f450) at sys_ioctl+0x4a1 syscall(ffff80001d77f4d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef59e13e9f0, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b1b9c0,ffff800000ad8000,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8000) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d77f308) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8058916340,80286987,ffff80001d77f2f0,ffff80001d71ceb0) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d71ceb0,ffff80001d77f408,ffff80001d77f450) at sys_ioctl+0x4a1 syscall(ffff80001d77f4d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef59e13e9f0, count: -9