uvm_fault(0xfffffd8006203560, 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(0xfffffd8006203560, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001f85cd80, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000add800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000aff9d0,ffff800000b07400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000af6348,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7081a0,cd604404,ffff800000aca000,3,fffffd806c3bfa80,ffff80001d797130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805eab8bb8,cd604404,ffff800000aca000,ffff80001d797130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d797130,ffff80001f85d328,ffff80001f85d370) at sys_ioctl+0x4a1 syscall(ffff80001f85d3f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb4cee50a660, count: -11 ddb> show registers rdi 0xffffffff8112de67 pfi_address_add+0x1e7 rsi 0x416 rbp 0xffff80001f85cce0 rbx 0 rdx 0x417 rcx 0xffff80001f99e000 rax 0 r8 0xffffffff8112d721 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xcb0d01f425849d13 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff8112de6b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001f85cc70 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=151192 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff80001d797610,0xffffffff8284b308 process=0xffff80001e7b15f0 user=0xffff80001f858000, vmspace=0xfffffd8006203560 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5133 520166 68165 0 2 0 syz-executor.1 * 5133 151192 68165 0 7 0x4000000 syz-executor.1 16312 365251 49417 0 2 0x2 syz-executor.0 68165 357946 49417 0 3 0x82 nanosleep syz-executor.1 26767 24148 0 0 3 0x14280 nfsidl nfsio 68607 222147 0 0 3 0x14280 nfsidl nfsio 55404 509613 0 0 3 0x14280 nfsidl nfsio 32895 274464 0 0 3 0x14280 nfsidl nfsio 64608 489264 0 0 3 0x14280 nfsidl nfsio 40549 8132 0 0 3 0x14280 nfsidl nfsio 98848 91610 0 0 3 0x14280 nfsidl nfsio 72315 304662 0 0 3 0x14280 nfsidl nfsio 79456 162681 0 0 3 0x14280 nfsidl nfsio 99889 22021 0 0 3 0x14280 nfsidl nfsio 79259 271781 0 0 3 0x14280 nfsidl nfsio 51178 459495 0 0 3 0x14280 nfsidl nfsio 15298 165676 0 0 3 0x14280 nfsidl nfsio 59662 243198 0 0 3 0x14280 nfsidl nfsio 17748 144 0 0 3 0x14280 nfsidl nfsio 19946 211567 0 0 3 0x14280 nfsidl nfsio 41855 504780 0 0 3 0x14280 nfsidl nfsio 5638 284022 0 0 3 0x14280 nfsidl nfsio 89731 150589 0 0 3 0x14280 nfsidl nfsio 57957 108884 0 0 3 0x14280 nfsidl nfsio 82538 197178 0 0 3 0x14200 acct acct 3953 251600 0 0 3 0x14200 bored sosplice 49417 398902 91857 0 3 0x82 thrsleep syz-fuzzer 49417 235375 91857 0 3 0x4000082 thrsleep syz-fuzzer 49417 406787 91857 0 3 0x4000082 thrsleep syz-fuzzer 49417 461753 91857 0 3 0x4000082 thrsleep syz-fuzzer 49417 249817 91857 0 3 0x4000082 thrsleep syz-fuzzer 49417 432989 91857 0 3 0x4000082 kqread syz-fuzzer 49417 489448 91857 0 3 0x4000082 thrsleep syz-fuzzer 49417 269700 91857 0 3 0x4000082 thrsleep syz-fuzzer 91857 365820 68352 0 3 0x10008a pause ksh 68352 381123 18683 0 3 0x92 select sshd 95990 513383 1 0 3 0x100083 ttyin getty 18683 318260 1 0 3 0x80 select sshd 4293 188607 12349 73 3 0x100090 kqread syslogd 12349 63280 1 0 3 0x100082 netio syslogd 89915 210088 1 77 3 0x100090 poll dhclient 93750 221866 1 0 3 0x80 poll dhclient 54457 138256 0 0 3 0x14200 bored smr 77381 203666 0 0 2 0x14200 zerothread 21647 473750 0 0 3 0x14200 aiodoned aiodoned 60652 148140 0 0 3 0x14200 syncer update 48134 265596 0 0 3 0x14200 cleaner cleaner 39367 190303 0 0 3 0x14200 reaper reaper 10505 232349 0 0 3 0x14200 pgdaemon pagedaemon 50705 214906 0 0 3 0x14200 bored crynlk 18266 25675 0 0 3 0x14200 bored crypto 21299 12776 0 0 3 0x40014200 acpi0 acpi0 63921 441259 0 0 3 0x14200 bored softnet 89100 240389 0 0 3 0x14200 bored systqmp 26357 280236 0 0 3 0x14200 bored systq 2085 462878 0 0 3 0x40014200 bored softclock 52213 179336 0 0 3 0x40014200 idle0 1 146958 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 9529 6620K 6866K 78643K 11429 0 pcb 13 8K 8K 78643K 149 0 rtable 122 8K 11K 78643K 868 0 ifaddr 89 17K 18K 78643K 292 0 counters 21 16K 16K 78643K 35 0 ioctlops 1 4K 4K 78643K 142 0 iov 0 0K 16K 78643K 84 0 mount 1 1K 1K 78643K 1 0 vnodes 1235 78K 78K 78643K 1589 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 12 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 112 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 821 0 sigio 0 0K 0K 78643K 8 0 proc 49 38K 63K 78643K 532 0 subproc 32 2K 3K 78643K 119 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 47 0 in_multi 59 3K 3K 78643K 173 0 ether_multi 1 0K 0K 78643K 20 0 mrt 0 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 277 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 147 89K 105K 78643K 2744 0 UVM aobj 39 4K 4K 78643K 43 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 129 0 NDP 13 0K 0K 78643K 40 0 temp 142 3870K 3934K 78643K 22122 0 kqueue 3 4K 12K 78643K 31 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 13 0 5 1 0 1 1 0 8 0 rtpcb 80 69 0 67 1 0 1 1 0 8 0 rtentry 112 92 0 53 3 1 2 2 0 8 0 unpcb 120 456 0 448 1 0 1 1 0 8 0 syncache 264 8 0 8 3 2 1 1 0 8 1 tcpqe 32 41 0 41 1 1 0 1 0 8 0 tcpcb 544 288 0 284 2 0 2 2 0 8 1 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 51 0 51 1 1 0 1 0 8 0 inpcb 296 871 0 861 5 3 2 2 0 8 0 rttmr 72 5 0 5 2 2 0 1 0 8 0 nd6 48 21 0 15 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 5 0 5 3 2 1 1 0 8 1 pfrke_plain 160 12 0 12 1 0 1 1 0 8 1 pfrktable 1344 210 0 201 5 3 2 2 0 8 1 pftag 88 23 0 22 3 2 1 1 0 8 0 pfstkey 112 2 0 2 1 1 0 1 0 8 0 pfstate 328 1 0 1 1 1 0 1 0 8 0 pfrule 1360 39 0 28 3 2 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 437 0 275 19 8 11 14 0 8 0 art_table 32 438 0 275 3 1 2 2 0 8 0 art_node 16 91 0 58 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 23 3 2 1 1 0 8 0 semapl 112 110 0 100 1 0 1 1 0 8 0 shmpl 112 40 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2394 0 1000 88 0 88 88 0 8 0 ffsino 240 2394 0 1000 83 0 83 83 0 8 0 nchpl 144 3741 0 2157 60 0 60 60 0 8 0 rtmask 32 24 0 24 1 0 1 1 0 8 1 uvmvnodes 72 2715 0 0 50 0 50 50 0 8 0 vnodes 208 2715 0 0 143 0 143 143 0 8 0 namei 1024 12747 0 12747 4 3 1 1 0 8 1 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 528 9 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 65 0 58 2 1 1 1 0 8 0 scxspl 192 10689 0 10689 2 1 1 1 0 8 1 plimitpl 152 71 0 64 1 0 1 1 0 8 0 sigapl 424 1014 0 964 6 0 6 6 0 8 0 futexpl 56 17687 0 17687 4 3 1 1 0 8 1 knotepl 112 157 0 138 1 0 1 1 0 8 0 kqueuepl 144 84 0 80 1 0 1 1 0 8 0 pipepl 272 204 0 194 1 0 1 1 0 8 0 fdescpl 432 978 0 964 2 0 2 2 0 8 0 filepl 120 7685 0 7589 5 1 4 4 0 8 1 lockfpl 104 198 0 197 1 0 1 1 0 8 0 lockfspl 48 68 0 67 1 0 1 1 0 8 0 sessionpl 112 22 0 12 1 0 1 1 0 8 0 pgrppl 48 26 0 16 1 0 1 1 0 8 0 ucredpl 96 603 0 596 1 0 1 1 0 8 0 zombiepl 144 964 0 964 1 0 1 1 0 8 1 processpl 928 1014 0 964 7 0 7 7 0 8 0 procpl 624 1921 0 1863 6 1 5 6 0 8 0 sosppl 128 22 0 22 6 5 1 1 0 8 1 sockpl 400 1403 0 1384 10 6 4 4 0 8 1 mcl64k 65536 38 0 38 4 3 1 1 0 8 1 mcl16k 16384 5 0 5 4 3 1 1 0 8 1 mcl12k 12288 26 0 26 5 4 1 1 0 8 1 mcl9k 9216 10 0 10 3 3 0 1 0 8 0 mcl8k 8192 31 0 31 4 3 1 1 0 8 1 mcl4k 4096 76 0 76 5 4 1 1 0 8 1 mcl2k2 2112 4 0 4 3 3 0 1 0 8 0 mcl2k 2048 95794 0 95746 18 11 7 13 0 8 0 mtagpl 96 56 0 29 2 1 1 1 0 8 0 mbufpl 256 156149 0 156005 30 19 11 17 0 8 0 bufpl 280 4497 0 127 313 0 313 313 0 8 0 anonpl 16 102368 0 85379 79 3 76 76 0 107 0 amapchunkpl 152 4739 0 4595 23 3 20 20 0 158 14 amappl16 192 4405 0 3375 58 5 53 55 0 8 1 amappl15 184 3 0 2 1 0 1 1 0 8 0 amappl14 176 24 0 18 1 0 1 1 0 8 0 amappl13 168 251 0 248 1 0 1 1 0 8 0 amappl12 160 150 0 144 1 0 1 1 0 8 0 amappl11 152 474 0 462 1 0 1 1 0 8 0 amappl10 144 25 0 22 1 0 1 1 0 8 0 amappl9 136 353 0 350 1 0 1 1 0 8 0 amappl8 128 398 0 352 2 0 2 2 0 8 0 amappl7 120 123 0 109 1 0 1 1 0 8 0 amappl6 112 440 0 431 1 0 1 1 0 8 0 amappl5 104 1067 0 1055 1 0 1 1 0 8 0 amappl4 96 663 0 636 1 0 1 1 0 8 0 amappl3 88 133 0 128 1 0 1 1 0 8 0 amappl2 80 6813 0 6746 2 0 2 2 0 8 0 amappl1 72 30808 0 30387 23 14 9 17 0 8 0 amappl 80 2171 0 2124 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 42 0 4 1 0 1 1 0 8 0 uaddrrnd 24 987 0 966 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 987 0 966 1 0 1 1 0 8 0 vmmpekpl 168 9782 0 9746 2 0 2 2 0 8 0 vmmpepl 168 129273 0 127119 162 42 120 136 0 357 25 vmsppl 272 986 0 966 3 1 2 2 0 8 0 pdppl 4096 1980 0 1939 7 1 6 6 0 8 0 pvpl 32 301408 0 281314 192 15 177 178 0 265 0 pmappl 200 986 0 966 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 297 0 67 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(ffff800000add800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000aff9d0,ffff800000b07400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000af6348,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7081a0,cd604404,ffff800000aca000,3,fffffd806c3bfa80,ffff80001d797130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805eab8bb8,cd604404,ffff800000aca000,ffff80001d797130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d797130,ffff80001f85d328,ffff80001f85d370) at sys_ioctl+0x4a1 syscall(ffff80001f85d3f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb4cee50a660, count: -11 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(ffff800000add800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000aff9d0,ffff800000b07400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b07400) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000af6348,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000aca000,3,ffff80001d797130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7081a0,cd604404,ffff800000aca000,3,fffffd806c3bfa80,ffff80001d797130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805eab8bb8,cd604404,ffff800000aca000,ffff80001d797130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d797130,ffff80001f85d328,ffff80001f85d370) at sys_ioctl+0x4a1 syscall(ffff80001f85d3f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb4cee50a660, count: -11