uvm_fault(0xfffffd80565abde0, 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(0xfffffd80565abde0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e7cd300, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b039c0,ffff800000af2500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e7cd518) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd806b63e640,80286987,ffff80001e7cd500,ffff80001d6c3898) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3898,ffff80001e7cd618,ffff80001e7cd660) at sys_ioctl+0x4a1 syscall(ffff80001e7cd6e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x25212a5a0a0, count: -9 ddb> show registers rdi 0xffffffff816687d7 pfi_address_add+0x1e7 rsi 0x14a rbp 0xffff80001e7cd260 rbx 0 rdx 0x14b rcx 0xffff80001d77e000 rax 0 r8 0xffffffff81668091 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xc47f87e586e18e70 r12 0 r13 0x2 r14 0xffff800000654000 r15 0 rip 0xffffffff816687db pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7cd1f0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=177415 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=69, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c2c68,0xffffffff82829308 process=0xffff80001d7075d8 user=0xffff80001e7c8000, vmspace=0xfffffd80565abde0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 85727 121371 2187 0 2 0 syz-executor.0 *85727 177415 2187 0 7 0x4000000 syz-executor.0 59050 459915 0 0 3 0x14200 bored sosplice 33968 66089 16535 0 2 0x2 syz-executor.1 2187 405076 16535 0 3 0x82 nanosleep syz-executor.0 16535 495171 70640 0 3 0x82 kqread syz-fuzzer 16535 298913 70640 0 3 0x4000082 nanosleep syz-fuzzer 16535 474269 70640 0 3 0x4000082 thrsleep syz-fuzzer 16535 347063 70640 0 3 0x4000082 thrsleep syz-fuzzer 16535 503275 70640 0 3 0x4000082 thrsleep syz-fuzzer 16535 223739 70640 0 3 0x4000082 thrsleep syz-fuzzer 16535 494440 70640 0 3 0x4000082 thrsleep syz-fuzzer 16535 299074 70640 0 3 0x4000082 thrsleep syz-fuzzer 70640 232730 50004 0 3 0x10008a pause ksh 50004 57762 76493 0 3 0x92 select sshd 4506 107395 1 0 3 0x100083 ttyin getty 76493 202357 1 0 3 0x80 select sshd 79893 336043 59059 73 3 0x100090 kqread syslogd 59059 50564 1 0 3 0x100082 netio syslogd 55678 417745 1 77 3 0x100090 poll dhclient 36479 342811 1 0 3 0x80 poll dhclient 27591 458897 0 0 3 0x14200 bored smr 47191 232074 0 0 2 0x14200 zerothread 75684 518942 0 0 3 0x14200 aiodoned aiodoned 25731 245979 0 0 3 0x14200 syncer update 19216 408087 0 0 3 0x14200 cleaner cleaner 69028 476101 0 0 3 0x14200 reaper reaper 51812 486947 0 0 3 0x14200 pgdaemon pagedaemon 59935 101944 0 0 3 0x14200 bored crynlk 543 252463 0 0 3 0x14200 bored crypto 22437 105463 0 0 3 0x40014200 acpi0 acpi0 80622 193437 0 0 3 0x14200 bored softnet 73201 112898 0 0 3 0x14200 bored systqmp 2587 87371 0 0 3 0x14200 bored systq 61882 262613 0 0 3 0x40014200 bored softclock 81542 158155 0 0 3 0x40014200 idle0 1 389328 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 9469 6330K 6587K 78643K 10806 0 pcb 13 8K 8K 78643K 50 0 rtable 127 7K 10K 78643K 420 0 ifaddr 56 13K 14K 78643K 106 0 counters 21 16K 16K 78643K 23 0 ioctlops 0 0K 4K 78643K 84 0 iov 0 0K 12K 78643K 26 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 1389 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 69 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 413 0 proc 50 38K 55K 78643K 428 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 18 0 in_multi 53 3K 3K 78643K 83 0 ether_multi 1 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 205 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 143 57K 57K 78643K 1812 0 UVM aobj 23 2K 3K 78643K 28 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 7 0K 0K 78643K 15 0 temp 87 3860K 3926K 78643K 8781 0 kqueue 3 4K 6K 78643K 4 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 10 0 3 1 0 1 1 0 8 0 rtpcb 80 39 0 37 1 0 1 1 0 8 0 rtentry 112 61 0 15 2 0 2 2 0 8 0 unpcb 120 166 0 158 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 138 0 138 1 1 0 1 0 8 0 tcpcb 544 71 0 66 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 4 0 2 1 0 1 1 0 8 0 inpcb 296 202 0 194 5 3 2 2 0 8 1 nd6 48 10 0 3 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrktable 1344 68 0 60 4 2 2 2 0 8 1 pftag 88 14 0 12 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 4 0 2 1 0 1 1 0 8 0 pfstate 328 2 0 1 1 0 1 1 0 8 0 pfrule 1360 24 0 12 3 1 2 2 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 248 0 46 13 0 13 13 0 8 0 art_table 32 249 0 46 2 0 2 2 0 8 0 art_node 16 60 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 63 0 53 1 0 1 1 0 8 0 shmpl 112 25 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2034 0 636 88 0 88 88 0 8 0 ffsino 240 2034 0 636 83 0 83 83 0 8 0 nchpl 144 2836 0 1252 60 0 60 60 0 8 0 uvmvnodes 72 2151 0 0 40 0 40 40 0 8 0 vnodes 208 2151 0 0 114 0 114 114 0 8 0 namei 1024 8297 0 8297 4 3 1 1 0 8 1 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 24 0 14 1 0 1 1 0 8 0 scxspl 192 8171 0 8171 4 3 1 1 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 424 597 0 568 4 0 4 4 0 8 0 futexpl 56 6618 0 6618 4 3 1 1 0 8 1 knotepl 112 74 0 55 1 0 1 1 0 8 0 kqueuepl 144 28 0 26 1 0 1 1 0 8 0 pipepl 272 105 0 95 1 0 1 1 0 8 0 fdescpl 432 582 0 568 2 0 2 2 0 8 0 filepl 120 3600 0 3502 4 0 4 4 0 8 1 lockfpl 104 41 0 40 1 0 1 1 0 8 0 lockfspl 48 17 0 16 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 22 0 12 1 0 1 1 0 8 0 ucredpl 96 1101 0 1094 1 0 1 1 0 8 0 zombiepl 144 568 0 568 1 0 1 1 0 8 1 processpl 928 597 0 568 4 0 4 4 0 8 0 procpl 624 1026 0 989 8 4 4 4 0 8 0 sockpl 400 411 0 393 6 3 3 3 0 8 1 mcl64k 65536 5 0 5 2 2 0 1 0 8 0 mcl12k 12288 14 0 14 4 3 1 1 0 8 1 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 6 0 6 3 3 0 1 0 8 0 mcl4k 4096 31 0 30 6 5 1 1 0 8 0 mcl2k2 2112 2 0 2 2 2 0 1 0 8 0 mcl2k 2048 93936 0 93881 22 14 8 18 0 8 1 mtagpl 96 36 0 10 2 1 1 1 0 8 0 mbufpl 256 150244 0 150066 18 6 12 12 0 8 0 bufpl 280 3955 0 125 274 0 274 274 0 8 0 anonpl 16 80336 0 66270 96 17 79 95 0 107 0 amapchunkpl 152 3927 0 3779 32 12 20 20 0 158 12 amappl16 192 2823 0 1768 67 13 54 66 0 8 1 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 184 0 179 1 0 1 1 0 8 0 amappl13 168 215 0 210 1 0 1 1 0 8 0 amappl12 160 215 0 211 1 0 1 1 0 8 0 amappl11 152 219 0 209 1 0 1 1 0 8 0 amappl10 144 21 0 13 1 0 1 1 0 8 0 amappl9 136 370 0 368 1 0 1 1 0 8 0 amappl8 128 364 0 313 2 0 2 2 0 8 0 amappl7 120 113 0 100 1 0 1 1 0 8 0 amappl6 112 23 0 19 1 0 1 1 0 8 0 amappl5 104 199 0 189 1 0 1 1 0 8 0 amappl4 96 774 0 747 1 0 1 1 0 8 0 amappl3 88 466 0 458 1 0 1 1 0 8 0 amappl2 80 3732 0 3667 2 0 2 2 0 8 0 amappl1 72 21888 0 21461 23 14 9 17 0 8 0 amappl 80 1287 0 1240 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 27 0 5 1 0 1 1 0 8 0 uaddrrnd 24 585 0 568 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 585 0 568 1 0 1 1 0 8 0 vmmpekpl 168 7468 0 7442 2 0 2 2 0 8 0 vmmpepl 168 79291 0 77107 167 29 138 138 0 357 42 vmsppl 272 584 0 568 3 1 2 2 0 8 0 pdppl 4096 1176 0 1139 6 1 5 6 0 8 0 pvpl 32 222050 0 204994 214 32 182 214 0 265 0 pmappl 200 584 0 568 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 273 0 45 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(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b039c0,ffff800000af2500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e7cd518) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd806b63e640,80286987,ffff80001e7cd500,ffff80001d6c3898) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3898,ffff80001e7cd618,ffff80001e7cd660) at sys_ioctl+0x4a1 syscall(ffff80001e7cd6e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x25212a5a0a0, 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(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b039c0,ffff800000af2500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e7cd518) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd806b63e640,80286987,ffff80001e7cd500,ffff80001d6c3898) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3898,ffff80001e7cd618,ffff80001e7cd660) at sys_ioctl+0x4a1 syscall(ffff80001e7cd6e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x25212a5a0a0, count: -9