uvm_fault(0xfffffd8053155bc0, 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(0xfffffd8053155bc0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001dd88b70, 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(ffff800000b04000,ffff800000af8d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001dd88d88) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067782b08,80286987,ffff80001dd88d70,ffff80001e838778) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001e838778,ffff80001dd88e88,ffff80001dd88ed0) at sys_ioctl+0x4a1 syscall(ffff80001dd88f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdac6da07c0, count: -9 ddb> show registers rdi 0xffffffff81c3a8b7 pfi_address_add+0x1e7 rsi 0x178 rbp 0xffff80001dd88ad0 rbx 0 rdx 0x179 rcx 0xffff80001d77e000 rax 0 r8 0xffffffff81c3a171 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xe3e8c7bbf439480 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81c3a8bb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001dd88a60 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=389907 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80001e8389e8,0xffffffff82837f10 process=0xffff80001e8535f0 user=0xffff80001dd84000, vmspace=0xfffffd8053155bc0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 23420 49793 22920 0 2 0 syz-executor.1 *23420 389907 22920 0 7 0x4000000 syz-executor.1 99186 319104 0 0 3 0x14280 nfsidl nfsio 97415 169895 0 0 3 0x14280 nfsidl nfsio 43057 188484 0 0 3 0x14280 nfsidl nfsio 34469 189032 0 0 3 0x14280 nfsidl nfsio 74723 139623 0 0 3 0x14280 nfsidl nfsio 94282 355656 0 0 3 0x14280 nfsidl nfsio 14661 185572 0 0 3 0x14280 nfsidl nfsio 49207 441734 0 0 3 0x14280 nfsidl nfsio 13347 415196 0 0 3 0x14280 nfsidl nfsio 86598 17801 0 0 3 0x14280 nfsidl nfsio 51717 385484 0 0 3 0x14280 nfsidl nfsio 3879 387421 0 0 3 0x14280 nfsidl nfsio 98998 336148 0 0 3 0x14280 nfsidl nfsio 87725 418322 0 0 3 0x14280 nfsidl nfsio 96294 433238 0 0 3 0x14280 nfsidl nfsio 42603 105873 0 0 3 0x14280 nfsidl nfsio 61187 37512 0 0 3 0x14280 nfsidl nfsio 646 346591 0 0 3 0x14280 nfsidl nfsio 21920 37934 0 0 3 0x14280 nfsidl nfsio 64877 284550 0 0 3 0x14280 nfsidl nfsio 92673 17467 1 0 3 0x100083 ttyin getty 91679 188596 38643 0 2 0x2 syz-executor.0 44912 488393 0 0 3 0x14200 bored sosplice 22920 500195 38643 0 3 0x82 nanosleep syz-executor.1 38643 10305 15836 0 3 0x82 thrsleep syz-fuzzer 38643 399096 15836 0 3 0x4000082 nanosleep syz-fuzzer 38643 18856 15836 0 3 0x4000082 thrsleep syz-fuzzer 38643 268517 15836 0 3 0x4000082 thrsleep syz-fuzzer 38643 18954 15836 0 3 0x4000082 kqread syz-fuzzer 38643 206996 15836 0 3 0x4000082 thrsleep syz-fuzzer 38643 195015 15836 0 3 0x4000082 thrsleep syz-fuzzer 38643 266320 15836 0 3 0x4000082 thrsleep syz-fuzzer 15836 491875 73482 0 3 0x10008a pause ksh 73482 409324 6358 0 3 0x92 select sshd 6358 310548 1 0 3 0x80 select sshd 19257 121210 38054 73 3 0x100090 kqread syslogd 38054 131060 1 0 3 0x100082 netio syslogd 59917 238612 1 77 3 0x100090 poll dhclient 44211 516883 1 0 3 0x80 poll dhclient 2030 497997 0 0 3 0x14200 bored smr 70998 118079 0 0 2 0x14200 zerothread 72291 199093 0 0 3 0x14200 aiodoned aiodoned 84836 211152 0 0 3 0x14200 syncer update 16133 401096 0 0 3 0x14200 cleaner cleaner 32430 495791 0 0 3 0x14200 reaper reaper 42507 358979 0 0 3 0x14200 pgdaemon pagedaemon 89846 122186 0 0 3 0x14200 bored crynlk 24858 36246 0 0 3 0x14200 bored crypto 98589 123983 0 0 3 0x40014200 acpi0 acpi0 11844 170931 0 0 3 0x14200 bored softnet 73915 108267 0 0 3 0x14200 bored systqmp 41021 259528 0 0 3 0x14200 bored systq 12877 478958 0 0 3 0x40014200 bored softclock 54587 188033 0 0 3 0x40014200 idle0 1 191632 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 9528 6360K 6936K 78643K 11836 0 pcb 13 8K 8K 78643K 114 0 rtable 144 11K 14K 78643K 803 0 ifaddr 102 20K 21K 78643K 309 0 counters 21 16K 16K 78643K 38 0 ioctlops 0 0K 4K 78643K 160 0 iov 0 0K 16K 78643K 123 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1648 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 15 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 168 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 1209 0 sigio 0 0K 0K 78643K 20 0 proc 49 38K 63K 78643K 482 0 subproc 32 2K 2K 78643K 53 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 51 0 in_multi 77 4K 4K 78643K 182 0 ether_multi 1 0K 0K 78643K 17 0 mrt 0 0K 0K 78643K 3 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 258 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 73K 73K 78643K 3708 0 UVM aobj 38 7K 7K 78643K 48 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 118 0 NDP 15 0K 0K 78643K 45 0 temp 129 3862K 3935K 78643K 9789 0 kqueue 3 4K 16K 78643K 33 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 9 0 2 1 0 1 1 0 8 0 rtpcb 80 49 0 47 1 0 1 1 0 8 0 rtentry 112 76 0 30 2 0 2 2 0 8 0 unpcb 120 246 0 238 1 0 1 1 0 8 0 syncache 264 16 0 16 4 4 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 280 0 280 1 1 0 1 0 8 0 tcpcb 544 518 0 514 1 0 1 1 0 8 0 ipq 40 3 0 3 2 2 0 1 0 8 0 ipqe 40 49 0 49 2 2 0 1 0 8 0 inpcb 296 1549 0 1536 6 4 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 24 0 17 1 0 1 1 0 8 0 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 190 0 175 5 3 2 2 0 8 0 pftag 88 32 0 30 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 7 0 5 2 1 1 1 0 8 0 pfstate 328 4 0 3 2 1 1 1 0 8 0 pfrule 1360 52 0 38 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 271 0 61 15 0 15 15 0 8 0 art_table 32 272 0 61 2 0 2 2 0 8 0 art_node 16 73 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 166 0 156 1 0 1 1 0 8 0 shmpl 112 45 0 10 2 1 1 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2926 0 1534 88 0 88 88 0 8 0 ffsino 240 2926 0 1534 83 0 83 83 0 8 0 nchpl 144 4744 0 3168 60 0 60 60 0 8 0 uvmvnodes 72 3264 0 0 60 0 60 60 0 8 0 vnodes 208 3264 0 0 172 0 172 172 0 8 0 namei 1024 12694 0 12693 1 0 1 1 0 8 0 vcpupl 1984 5 0 1 1 0 1 1 0 8 0 vmpool 528 8 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 70 0 58 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 13513 0 13513 1 0 1 1 0 8 1 plimitpl 152 68 0 61 1 0 1 1 0 8 0 sigapl 424 1416 0 1367 6 0 6 6 0 8 0 futexpl 56 23167 0 23167 1 0 1 1 0 8 1 knotepl 112 124 0 105 1 0 1 1 0 8 0 kqueuepl 144 107 0 104 1 0 1 1 0 8 0 pipepl 272 2275 0 2265 3 1 2 2 0 8 1 fdescpl 432 1381 0 1367 2 0 2 2 0 8 0 filepl 120 10547 0 10446 4 0 4 4 0 8 0 lockfpl 104 153 0 152 1 0 1 1 0 8 0 lockfspl 48 62 0 61 1 0 1 1 0 8 0 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 687 0 679 1 0 1 1 0 8 0 zombiepl 144 1367 0 1367 1 0 1 1 0 8 1 processpl 928 1416 0 1367 7 0 7 7 0 8 0 procpl 624 2921 0 2864 6 1 5 5 0 8 0 sosppl 128 10 0 10 3 3 0 1 0 8 0 sockpl 400 1844 0 1822 4 1 3 3 0 8 0 mcl64k 65536 89 0 89 2 1 1 1 0 8 1 mcl16k 16384 5 0 5 2 2 0 1 0 8 0 mcl12k 12288 49 0 49 3 3 0 1 0 8 0 mcl9k 9216 20 0 20 4 3 1 1 0 8 1 mcl8k 8192 38 0 38 4 3 1 1 0 8 1 mcl4k 4096 86 0 86 4 3 1 1 0 8 1 mcl2k2 2112 5 0 5 4 4 0 1 0 8 0 mcl2k 2048 94944 0 94901 24 17 7 19 0 8 1 mtagpl 96 94 0 25 3 1 2 2 0 8 0 mbufpl 256 156514 0 156189 32 10 22 22 0 8 0 bufpl 280 4947 0 128 345 0 345 345 0 8 0 anonpl 16 149143 0 132424 107 36 71 85 0 107 2 amapchunkpl 152 5777 0 5623 17 9 8 11 0 158 0 amappl16 192 7132 0 6188 91 43 48 60 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 35 0 29 1 0 1 1 0 8 0 amappl13 168 148 0 144 1 0 1 1 0 8 0 amappl12 160 109 0 109 2 2 0 1 0 8 0 amappl11 152 48 0 39 1 0 1 1 0 8 0 amappl10 144 590 0 581 1 0 1 1 0 8 0 amappl9 136 856 0 853 1 0 1 1 0 8 0 amappl8 128 865 0 812 2 0 2 2 0 8 0 amappl7 120 687 0 673 1 0 1 1 0 8 0 amappl6 112 24 0 18 1 0 1 1 0 8 0 amappl5 104 1227 0 1215 1 0 1 1 0 8 0 amappl4 96 561 0 534 1 0 1 1 0 8 0 amappl3 88 274 0 269 1 0 1 1 0 8 0 amappl2 80 10186 0 10122 2 0 2 2 0 8 0 amappl1 72 40960 0 40549 22 13 9 17 0 8 0 amappl 80 3157 0 3110 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 47 0 10 1 0 1 1 0 8 0 uaddrrnd 24 1389 0 1371 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1389 0 1371 1 0 1 1 0 8 0 vmmpekpl 168 19704 0 19671 2 0 2 2 0 8 0 vmmpepl 168 174260 0 172204 157 61 96 122 0 357 2 vmsppl 272 1388 0 1371 3 1 2 2 0 8 0 pdppl 4096 2784 0 2746 8 2 6 6 0 8 0 pvpl 32 399563 0 379704 249 58 191 202 0 265 28 pmappl 200 1388 0 1371 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 288 0 44 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(ffff800000b04000,ffff800000af8d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001dd88d88) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067782b08,80286987,ffff80001dd88d70,ffff80001e838778) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001e838778,ffff80001dd88e88,ffff80001dd88ed0) at sys_ioctl+0x4a1 syscall(ffff80001dd88f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdac6da07c0, 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(ffff800000b04000,ffff800000af8d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af8d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001dd88d88) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067782b08,80286987,ffff80001dd88d70,ffff80001e838778) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001e838778,ffff80001dd88e88,ffff80001dd88ed0) at sys_ioctl+0x4a1 syscall(ffff80001dd88f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdac6da07c0, count: -9