uvm_fault(0xfffffd806b256ef0, 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(0xfffffd806b256ef0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d797910, 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(ffff800000b01500,ffff800000ad8500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d797b28) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80538821a8,80286987,ffff80001d797b10,ffff80001d6a9758) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6a9758,ffff80001d797c28,ffff80001d797c70) at sys_ioctl+0x4a1 syscall(ffff80001d797cf0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xffb92c50010, count: -9 ddb> show registers rdi 0xffffffff8112de67 pfi_address_add+0x1e7 rsi 0xfe7 rbp 0xffff80001d797870 rbx 0 rdx 0xfe8 rcx 0xffff80001d9a0000 rax 0 r8 0xffffffff8112d721 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x70102b141130143a r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff8112de6b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d797800 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=362268 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6a9278,0xffffffff8284b308 process=0xffff80001d6c43b0 user=0xffff80001d792000, vmspace=0xfffffd806b256ef0 estcpu=4, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 97643 522243 43378 0 2 0 syz-executor.1 *97643 362268 43378 0 7 0x4000000 syz-executor.1 86641 174505 0 0 3 0x14200 bored sosplice 43378 359314 62017 0 2 0x482 syz-executor.1 67930 513792 62017 0 2 0x2 syz-executor.0 62017 92701 98261 0 3 0x82 thrsleep syz-fuzzer 62017 41272 98261 0 3 0x4000082 nanosleep syz-fuzzer 62017 286458 98261 0 3 0x4000082 kqread syz-fuzzer 62017 439314 98261 0 3 0x4000082 thrsleep syz-fuzzer 62017 173399 98261 0 3 0x4000082 thrsleep syz-fuzzer 62017 33675 98261 0 3 0x4000082 thrsleep syz-fuzzer 62017 325773 98261 0 3 0x4000082 thrsleep syz-fuzzer 98261 339224 78486 0 3 0x10008a pause ksh 78486 34187 35549 0 3 0x92 select sshd 90093 267911 1 0 3 0x100083 ttyin getty 35549 308499 1 0 3 0x80 select sshd 96204 118052 18659 73 3 0x100090 kqread syslogd 18659 514580 1 0 3 0x100082 netio syslogd 41464 498935 1 77 3 0x100090 poll dhclient 23619 48822 1 0 3 0x80 poll dhclient 63792 479040 0 0 3 0x14200 bored smr 90879 379612 0 0 2 0x14200 zerothread 54234 361163 0 0 3 0x14200 aiodoned aiodoned 71617 426002 0 0 3 0x14200 syncer update 92359 153316 0 0 3 0x14200 cleaner cleaner 65963 206004 0 0 3 0x14200 reaper reaper 62173 90052 0 0 3 0x14200 pgdaemon pagedaemon 93967 94548 0 0 3 0x14200 bored crynlk 2441 42546 0 0 3 0x14200 bored crypto 55744 519791 0 0 3 0x40014200 acpi0 acpi0 72580 27457 0 0 3 0x14200 bored softnet 43912 178020 0 0 3 0x14200 bored systqmp 3155 489994 0 0 3 0x14200 bored systq 29706 187994 0 0 3 0x40014200 bored softclock 9941 280903 0 0 3 0x40014200 idle0 1 364639 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 9508 6470K 6841K 78643K 11316 0 pcb 14 8K 8K 78643K 79 0 rtable 139 10K 11K 78643K 552 0 ifaddr 85 17K 17K 78643K 187 0 counters 21 16K 16K 78643K 23 0 ioctlops 0 0K 4K 78643K 318 0 iov 0 0K 16K 78643K 54 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1433 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 98 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 518 0 sigio 0 0K 0K 78643K 2 0 proc 54 39K 63K 78643K 427 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 33 0 in_multi 74 3K 3K 78643K 124 0 ether_multi 1 0K 0K 78643K 8 0 mrt 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 217 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 135 55K 56K 78643K 2123 0 UVM aobj 21 2K 2K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 70 0 NDP 11 0K 0K 78643K 23 0 temp 135 3872K 3936K 78643K 12340 0 kqueue 3 4K 8K 78643K 21 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 6 0 0 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 61 0 16 2 0 2 2 0 8 0 unpcb 120 397 0 389 1 0 1 1 0 8 0 syncache 264 8 0 8 3 3 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 128 0 128 1 1 0 1 0 8 0 tcpcb 544 130 0 126 1 0 1 1 0 8 0 ipq 40 3 0 2 2 1 1 1 0 8 0 ipqe 40 92 0 91 2 1 1 1 0 8 0 inpcb 296 735 0 725 4 2 2 2 0 8 1 nd6 48 17 0 11 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfrke_plain 160 5 0 3 1 0 1 1 0 8 0 pfrktable 1344 137 0 125 5 3 2 2 0 8 1 pftag 88 19 0 18 3 2 1 1 0 8 0 pfrule 1360 32 0 20 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 250 0 56 16 3 13 16 0 8 0 art_table 32 252 0 56 2 0 2 2 0 8 0 art_node 16 60 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 0 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 86 0 76 1 0 1 1 0 8 0 shmpl 112 22 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2074 0 675 88 0 88 88 0 8 0 ffsino 240 2074 0 675 83 0 83 83 0 8 0 nchpl 144 2999 0 1396 60 0 60 60 0 8 0 uvmvnodes 72 2263 0 0 42 0 42 42 0 8 0 vnodes 208 2263 0 0 120 0 120 120 0 8 0 namei 1024 8370 0 8369 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 528 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 46 0 36 1 0 1 1 0 8 0 scxspl 192 8994 0 8994 1 0 1 1 0 8 1 plimitpl 152 44 0 37 1 0 1 1 0 8 0 sigapl 424 705 0 676 4 0 4 4 0 8 0 futexpl 56 10142 0 10142 1 0 1 1 0 8 1 knotepl 112 81 0 62 1 0 1 1 0 8 0 kqueuepl 144 61 0 59 1 0 1 1 0 8 0 pipepl 272 138 0 128 1 0 1 1 0 8 0 fdescpl 432 690 0 676 2 0 2 2 0 8 0 filepl 120 4429 0 4331 4 0 4 4 0 8 1 lockfpl 104 89 0 88 1 0 1 1 0 8 0 lockfspl 48 32 0 31 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 587 0 580 1 0 1 1 0 8 0 zombiepl 144 676 0 676 1 0 1 1 0 8 1 processpl 928 705 0 676 4 0 4 4 0 8 0 procpl 624 1394 0 1358 5 1 4 4 0 8 1 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 1167 0 1146 6 2 4 4 0 8 1 mcl64k 65536 20 0 20 3 2 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 15 0 15 4 3 1 1 0 8 1 mcl9k 9216 8 0 8 2 1 1 1 0 8 1 mcl8k 8192 22 0 22 2 1 1 1 0 8 1 mcl4k 4096 68 0 68 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 91013 0 90949 20 11 9 17 0 8 0 mtagpl 96 26 0 5 2 1 1 1 0 8 0 mbufpl 256 146734 0 146561 31 15 16 22 0 8 0 bufpl 280 4319 0 130 300 0 300 300 0 8 0 anonpl 16 77114 0 60406 86 17 69 83 0 107 0 amapchunkpl 152 3787 0 3641 25 19 6 19 0 158 0 amappl16 192 3626 0 2708 54 7 47 54 0 8 1 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 27 0 22 1 0 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 6 0 5 1 0 1 1 0 8 0 amappl11 152 47 0 38 1 0 1 1 0 8 0 amappl10 144 13 0 8 1 0 1 1 0 8 0 amappl9 136 600 0 595 1 0 1 1 0 8 0 amappl8 128 568 0 523 2 0 2 2 0 8 0 amappl7 120 114 0 101 1 0 1 1 0 8 0 amappl6 112 29 0 18 1 0 1 1 0 8 0 amappl5 104 644 0 633 1 0 1 1 0 8 0 amappl4 96 426 0 399 1 0 1 1 0 8 0 amappl3 88 123 0 118 1 0 1 1 0 8 0 amappl2 80 4714 0 4649 2 0 2 2 0 8 0 amappl1 72 24956 0 24533 22 13 9 17 0 8 0 amappl 80 1626 0 1582 3 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 24 0 4 1 0 1 1 0 8 0 uaddrrnd 24 693 0 676 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 693 0 676 1 0 1 1 0 8 0 vmmpekpl 168 8247 0 8219 2 0 2 2 0 8 0 vmmpepl 168 90992 0 88956 119 25 94 112 0 357 5 vmsppl 272 692 0 676 3 1 2 2 0 8 0 pdppl 4096 1392 0 1355 6 1 5 6 0 8 0 pvpl 32 233585 0 213882 194 32 162 192 0 265 1 pmappl 200 692 0 676 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 278 0 42 7 0 7 7 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(ffff800000b01500,ffff800000ad8500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d797b28) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80538821a8,80286987,ffff80001d797b10,ffff80001d6a9758) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6a9758,ffff80001d797c28,ffff80001d797c70) at sys_ioctl+0x4a1 syscall(ffff80001d797cf0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xffb92c50010, 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(ffff800000b01500,ffff800000ad8500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001d797b28) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80538821a8,80286987,ffff80001d797b10,ffff80001d6a9758) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6a9758,ffff80001d797c28,ffff80001d797c70) at sys_ioctl+0x4a1 syscall(ffff80001d797cf0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xffb92c50010, count: -9