uvm_fault(0xfffffd806bc09220, 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(0xfffffd806bc09220, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d79f4f0, 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(ffff800000ae0000,ffff800000adef00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000afc8b8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:895 [inline] pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1267 VOP_IOCTL(fffffd8066d161a0,cd604404,ffff800000ace000,3,fffffd806c3bfb40,ffff80001d6c3398) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057f201f0,cd604404,ffff800000ace000,ffff80001d6c3398) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3398,ffff80001d79fa98,ffff80001d79fae0) at sys_ioctl+0x4a1 syscall(ffff80001d79fb60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1dde3843c70, count: -11 ddb> show registers rdi 0xffffffff81abe6f7 pfi_address_add+0x1e7 rsi 0x4f4 rbp 0xffff80001d79f450 rbx 0 rdx 0x4f5 rcx 0xffff80001f9a6000 rax 0 r8 0xffffffff81abdfb1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x1823c888adfba850 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81abe6fb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d79f3e0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=382480 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c24f8,0xffffffff82864ba8 process=0xffff80001d6c4010 user=0xffff80001d79a000, vmspace=0xfffffd806bc09220 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 78354 499793 87530 0 3 0x80 fsleep syz-executor.1 *78354 382480 87530 0 7 0x4000000 syz-executor.1 91169 345142 21418 0 3 0x80 fsleep syz-executor.0 91169 176344 21418 0 2 0x4000000 syz-executor.0 87530 451149 35773 0 3 0x82 nanosleep syz-executor.1 47247 266669 0 0 3 0x14200 bored sosplice 21418 31435 35773 0 2 0x482 syz-executor.0 35773 178866 38008 0 3 0x82 kqread syz-fuzzer 35773 153261 38008 0 2 0x4000482 syz-fuzzer 35773 113898 38008 0 3 0x4000082 thrsleep syz-fuzzer 35773 357906 38008 0 3 0x4000082 thrsleep syz-fuzzer 35773 35987 38008 0 3 0x4000082 thrsleep syz-fuzzer 35773 376399 38008 0 3 0x4000082 thrsleep syz-fuzzer 35773 277744 38008 0 3 0x4000082 thrsleep syz-fuzzer 35773 201209 38008 0 3 0x4000082 thrsleep syz-fuzzer 38008 156647 33011 0 3 0x10008a pause ksh 33011 144040 73681 0 3 0x92 select sshd 58414 168499 1 0 3 0x100083 ttyin getty 73681 305902 1 0 3 0x80 select sshd 51132 49897 7015 73 3 0x100090 kqread syslogd 7015 363799 1 0 3 0x100082 netio syslogd 48218 34605 1 77 3 0x100090 poll dhclient 65403 109331 1 0 3 0x80 poll dhclient 28810 478504 0 0 3 0x14200 bored smr 5672 241795 0 0 2 0x14200 zerothread 20779 20771 0 0 3 0x14200 aiodoned aiodoned 62242 235069 0 0 3 0x14200 syncer update 11719 38805 0 0 3 0x14200 cleaner cleaner 17786 198222 0 0 3 0x14200 reaper reaper 32502 65376 0 0 3 0x14200 pgdaemon pagedaemon 13804 255531 0 0 3 0x14200 bored crynlk 73950 22088 0 0 3 0x14200 bored crypto 87815 255748 0 0 3 0x40014200 acpi0 acpi0 91450 89162 0 0 3 0x14200 bored softnet 38311 178023 0 0 3 0x14200 bored systqmp 1745 336723 0 0 3 0x14200 bored systq 83517 178859 0 0 3 0x40014200 bored softclock 12029 63061 0 0 3 0x40014200 idle0 1 253620 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 9472 6342K 6858K 78643K 11846 0 pcb 13 8K 8K 78643K 95 0 rtable 125 7K 8K 78643K 524 0 ifaddr 73 17K 17K 78643K 226 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 35 0 ioctlops 1 4K 4K 78643K 100 0 iov 0 0K 12K 78643K 56 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1631 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 0K 78643K 25 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 1115 0 sigio 0 0K 0K 78643K 10 0 proc 49 38K 63K 78643K 434 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 66 0 in_multi 80 3K 4K 78643K 185 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 289 0 pfkey data 0 0K 1K 78643K 5 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 126 23K 43K 78643K 3292 0 UVM aobj 13 2K 2K 78643K 23 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 102 0 NDP 8 0K 0K 78643K 33 0 temp 88 3858K 3922K 78643K 24213 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 8 0 2 1 0 1 1 0 8 0 rtpcb 80 49 0 47 1 0 1 1 0 8 0 rtentry 112 80 0 36 2 0 2 2 0 8 0 unpcb 120 235 0 219 1 0 1 1 0 8 0 syncache 264 9 0 9 2 2 0 1 0 8 0 tcpqe 32 208 0 208 1 1 0 1 0 8 0 tcpcb 544 195 0 191 2 1 1 2 0 8 0 inpcb 296 647 0 639 4 2 2 2 0 8 1 nd6 48 26 0 20 1 0 1 1 0 8 0 pkpcb 40 5 0 5 1 1 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrke_plain 160 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 60 0 52 1 0 1 1 0 8 0 pftag 88 10 0 8 2 1 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 36 0 20 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 236 0 44 12 0 12 12 0 8 0 art_table 32 237 0 44 2 0 2 2 0 8 0 art_node 16 73 0 33 1 0 1 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 20 0 10 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2838 0 1441 88 0 88 88 0 8 0 ffsino 240 2838 0 1441 83 0 83 83 0 8 0 nchpl 144 4292 0 2702 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 3159 0 0 58 0 58 58 0 8 0 vnodes 208 3159 0 0 167 0 167 167 0 8 0 namei 1024 10934 0 10933 1 0 1 1 0 8 0 vmpool 528 7 0 7 1 1 0 1 0 8 0 pfiaddrpl 120 25 0 12 1 0 1 1 0 8 0 scsiplug 64 7 0 7 1 0 1 1 0 8 1 scxspl 192 14011 0 14011 1 0 1 1 0 8 1 plimitpl 152 73 0 66 1 0 1 1 0 8 0 sigapl 424 1299 0 1269 4 0 4 4 0 8 0 futexpl 56 7727 0 7725 1 0 1 1 0 8 0 knotepl 112 98 0 79 1 0 1 1 0 8 0 kqueuepl 144 55 0 53 1 0 1 1 0 8 0 pipepl 272 125 0 115 1 0 1 1 0 8 0 fdescpl 432 1284 0 1269 2 0 2 2 0 8 0 filepl 120 4539 0 4441 4 0 4 4 0 8 1 lockfpl 104 219 0 218 1 0 1 1 0 8 0 lockfspl 48 84 0 83 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 613 0 606 1 0 1 1 0 8 0 zombiepl 144 1269 0 1269 1 0 1 1 0 8 1 processpl 928 1299 0 1269 4 0 4 4 0 8 0 procpl 624 2503 0 2464 4 0 4 4 0 8 0 sosppl 128 18 0 18 1 1 0 1 0 8 0 sockpl 400 936 0 910 4 0 4 4 0 8 0 mcl64k 65536 51 0 51 3 2 1 1 0 8 1 mcl12k 12288 10 0 10 1 1 0 1 0 8 0 mcl9k 9216 19 0 19 2 2 0 1 0 8 0 mcl8k 8192 5 0 5 1 1 0 1 0 8 0 mcl4k 4096 29 0 29 3 3 0 1 0 8 0 mcl2k 2048 75244 0 75191 26 17 9 18 0 8 1 mtagpl 96 150 0 25 5 1 4 4 0 8 0 mbufpl 256 133895 0 133468 35 4 31 31 0 8 2 bufpl 280 5782 0 430 383 0 383 383 0 8 0 anonpl 16 122804 0 110866 61 9 52 59 0 107 0 amapchunkpl 152 6599 0 6468 21 15 6 19 0 158 0 amappl16 192 5130 0 4499 41 9 32 40 0 8 0 amappl15 184 313 0 310 1 0 1 1 0 8 0 amappl14 176 778 0 773 1 0 1 1 0 8 0 amappl13 168 34 0 31 1 0 1 1 0 8 0 amappl12 160 14 0 10 1 0 1 1 0 8 0 amappl11 152 801 0 790 1 0 1 1 0 8 0 amappl10 144 12 0 8 1 0 1 1 0 8 0 amappl9 136 376 0 375 1 0 1 1 0 8 0 amappl8 128 351 0 308 2 0 2 2 0 8 0 amappl7 120 113 0 101 1 0 1 1 0 8 0 amappl6 112 779 0 772 1 0 1 1 0 8 0 amappl5 104 458 0 447 1 0 1 1 0 8 0 amappl4 96 1207 0 1180 1 0 1 1 0 8 0 amappl3 88 124 0 117 1 0 1 1 0 8 0 amappl2 80 9692 0 9617 2 0 2 2 0 8 0 amappl1 72 37005 0 36568 23 14 9 17 0 8 0 amappl 80 2764 0 2722 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 22 0 10 1 0 1 1 0 8 0 uaddrrnd 24 1291 0 1276 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1291 0 1276 1 0 1 1 0 8 0 vmmpekpl 168 10256 0 10230 2 0 2 2 0 8 0 vmmpepl 168 157530 0 155693 117 36 81 99 0 357 1 vmsppl 272 1290 0 1276 2 1 1 2 0 8 0 pdppl 4096 2588 0 2552 6 1 5 6 0 8 0 pvpl 32 391858 0 376862 151 24 127 146 0 265 2 pmappl 200 1290 0 1276 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 280 0 33 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(ffff800000ae0000,ffff800000adef00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000afc8b8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:895 [inline] pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1267 VOP_IOCTL(fffffd8066d161a0,cd604404,ffff800000ace000,3,fffffd806c3bfb40,ffff80001d6c3398) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057f201f0,cd604404,ffff800000ace000,ffff80001d6c3398) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3398,ffff80001d79fa98,ffff80001d79fae0) at sys_ioctl+0x4a1 syscall(ffff80001d79fb60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1dde3843c70, 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(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000ae0000,ffff800000adef00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000adef00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000afc8b8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:895 [inline] pfioctl(4900,cd604404,ffff800000ace000,3,ffff80001d6c3398) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1267 VOP_IOCTL(fffffd8066d161a0,cd604404,ffff800000ace000,3,fffffd806c3bfb40,ffff80001d6c3398) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057f201f0,cd604404,ffff800000ace000,ffff80001d6c3398) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3398,ffff80001d79fa98,ffff80001d79fae0) at sys_ioctl+0x4a1 syscall(ffff80001d79fb60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1dde3843c70, count: -11