uvm_fault(0xfffffd806bc0a770, 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(0xfffffd806bc0a770, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d777500, 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(ffff800000b26f40,ffff800000b29100,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b22888,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805dd79410,cd604404,ffff800000ad1000,3,fffffd806c3bfa20,ffff80001d6a9758) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80574c5f10,cd604404,ffff800000ad1000,ffff80001d6a9758) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9758,ffff80001d777aa8,ffff80001d777af0) at sys_ioctl+0x4a1 syscall(ffff80001d777b70) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f42d7a4ab0, count: -11 ddb> show registers rdi 0xffffffff816687d7 pfi_address_add+0x1e7 rsi 0x460 rbp 0xffff80001d777460 rbx 0 rdx 0x461 rcx 0xffff80001f9a6000 rax 0 r8 0xffffffff81668091 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xa3c18c4e31eae696 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff816687db pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d7773f0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=481604 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=70, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6aa868,0xffffffff82829308 process=0xffff80001d700e98 user=0xffff80001d772000, vmspace=0xfffffd806bc0a770 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 69028 162795 58774 0 2 0 syz-executor.1 *69028 481604 58774 0 7 0x4000000 syz-executor.1 44390 118001 0 0 3 0x14200 bored sosplice 24509 464502 23019 0 2 0x2 syz-executor.0 58774 375109 23019 0 3 0x82 nanosleep syz-executor.1 23019 149100 4855 0 3 0x82 thrsleep syz-fuzzer 23019 406746 4855 0 3 0x4000082 nanosleep syz-fuzzer 23019 149382 4855 0 3 0x4000082 kqread syz-fuzzer 23019 13311 4855 0 3 0x4000082 thrsleep syz-fuzzer 23019 72996 4855 0 3 0x4000082 thrsleep syz-fuzzer 23019 224455 4855 0 3 0x4000082 thrsleep syz-fuzzer 23019 457217 4855 0 3 0x4000082 thrsleep syz-fuzzer 4855 30168 429 0 3 0x10008a pause ksh 429 230282 31387 0 3 0x92 select sshd 77983 380201 1 0 3 0x100083 ttyin getty 31387 142834 1 0 3 0x80 select sshd 23128 439197 41901 73 3 0x100090 kqread syslogd 41901 267845 1 0 3 0x100082 netio syslogd 59235 410646 1 77 3 0x100090 poll dhclient 7829 137933 1 0 3 0x80 poll dhclient 90772 228029 0 0 3 0x14200 bored smr 69291 439173 0 0 2 0x14200 zerothread 67263 224916 0 0 3 0x14200 aiodoned aiodoned 14826 220603 0 0 3 0x14200 syncer update 22234 196495 0 0 3 0x14200 cleaner cleaner 90386 122306 0 0 3 0x14200 reaper reaper 16930 422080 0 0 3 0x14200 pgdaemon pagedaemon 53117 337700 0 0 3 0x14200 bored crynlk 16392 42468 0 0 3 0x14200 bored crypto 83180 123313 0 0 3 0x40014200 acpi0 acpi0 28253 373868 0 0 3 0x14200 bored softnet 95618 489982 0 0 3 0x14200 bored systqmp 63930 79087 0 0 3 0x14200 bored systq 89143 471623 0 0 3 0x40014200 bored softclock 1432 475564 0 0 3 0x40014200 idle0 1 287732 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 9462 6342K 6602K 78643K 10747 0 pcb 13 8K 8K 78643K 47 0 rtable 115 13K 13K 78643K 416 0 ifaddr 51 12K 12K 78643K 107 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 21 0 ioctlops 1 4K 4K 78643K 56 0 iov 0 0K 12K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1281 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 68 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 225 0 proc 51 38K 55K 78643K 379 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 10 0 in_multi 48 2K 3K 78643K 100 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 2 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 187 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 24K 78643K 1344 0 UVM aobj 7 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 7 0K 0K 78643K 15 0 temp 91 3855K 3919K 78643K 2325 0 kqueue 3 4K 8K 78643K 18 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 25 0 23 1 0 1 1 0 8 0 rtentry 112 64 0 21 2 0 2 2 0 8 0 unpcb 120 141 0 133 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 162 0 162 2 2 0 1 0 8 0 tcpcb 544 345 0 341 2 0 2 2 0 8 1 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 2 0 2 1 0 1 1 0 8 1 inpcb 296 470 0 463 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 48 14 0 9 1 0 1 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrke_plain 160 4 0 2 1 0 1 1 0 8 0 pfrktable 1344 84 0 80 1 0 1 1 0 8 0 pftag 88 17 0 16 1 0 1 1 0 8 0 pfqueue 264 2 0 0 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 15 0 12 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 268 0 88 13 0 13 13 0 8 0 art_table 32 270 0 88 2 0 2 2 0 8 0 art_node 16 63 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 58 0 48 1 0 1 1 0 8 0 shmpl 112 8 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1645 0 247 88 0 88 88 0 8 0 ffsino 240 1645 0 247 83 0 83 83 0 8 0 nchpl 144 2129 0 525 60 0 60 60 0 8 0 rtmask 32 8 0 6 1 0 1 1 0 8 0 uvmvnodes 72 1733 0 0 32 0 32 32 0 8 0 vnodes 208 1733 0 0 92 0 92 92 0 8 0 namei 1024 5509 0 5509 1 0 1 1 0 8 1 vmpool 528 2 0 2 1 0 1 1 0 8 1 pfiaddrpl 120 23 0 20 1 0 1 1 0 8 0 scxspl 192 6089 0 6089 1 0 1 1 0 8 1 plimitpl 152 29 0 22 1 0 1 1 0 8 0 sigapl 424 412 0 383 4 0 4 4 0 8 0 futexpl 56 4106 0 4106 1 0 1 1 0 8 1 knotepl 112 79 0 60 1 0 1 1 0 8 0 kqueuepl 144 30 0 28 1 0 1 1 0 8 0 pipepl 272 108 0 98 1 0 1 1 0 8 0 fdescpl 432 397 0 383 2 0 2 2 0 8 0 filepl 120 2344 0 2248 4 0 4 4 0 8 1 lockfpl 104 41 0 40 1 0 1 1 0 8 0 lockfspl 48 16 0 15 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 96 252 0 245 1 0 1 1 0 8 0 zombiepl 144 383 0 383 1 0 1 1 0 8 1 processpl 928 412 0 383 4 0 4 4 0 8 0 procpl 624 633 0 597 4 0 4 4 0 8 1 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 638 0 621 4 0 4 4 0 8 2 mcl64k 65536 1 0 1 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 6 0 6 1 0 1 1 0 8 1 mcl4k 4096 32 0 32 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 93190 0 93142 14 6 8 12 0 8 2 mtagpl 96 16 0 2 2 1 1 1 0 8 0 mbufpl 256 147975 0 147708 20 2 18 18 0 8 1 bufpl 280 3478 0 125 240 0 240 240 0 8 0 anonpl 16 56467 0 40471 82 2 80 80 0 107 15 amapchunkpl 152 1812 0 1681 11 0 11 11 0 158 4 amappl16 192 1920 0 1027 57 4 53 57 0 8 7 amappl15 184 96 0 93 1 0 1 1 0 8 0 amappl14 176 123 0 117 1 0 1 1 0 8 0 amappl13 168 27 0 24 1 0 1 1 0 8 0 amappl12 160 9 0 7 2 1 1 1 0 8 0 amappl11 152 142 0 132 1 0 1 1 0 8 0 amappl10 144 111 0 102 1 0 1 1 0 8 0 amappl9 136 357 0 355 1 0 1 1 0 8 0 amappl8 128 332 0 292 2 0 2 2 0 8 0 amappl7 120 105 0 94 1 0 1 1 0 8 0 amappl6 112 26 0 20 1 0 1 1 0 8 0 amappl5 104 273 0 262 1 0 1 1 0 8 0 amappl4 96 516 0 489 1 0 1 1 0 8 0 amappl3 88 208 0 201 1 0 1 1 0 8 0 amappl2 80 2452 0 2381 2 0 2 2 0 8 0 amappl1 72 17761 0 17341 22 12 10 17 0 8 0 amappl 80 867 0 825 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 10 0 4 1 0 1 1 0 8 0 uaddrrnd 24 399 0 385 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 399 0 385 1 0 1 1 0 8 0 vmmpekpl 168 6562 0 6537 2 0 2 2 0 8 0 vmmpepl 168 55519 0 53521 153 8 145 148 0 357 56 vmsppl 272 398 0 385 2 0 2 2 0 8 1 pdppl 4096 804 0 770 6 1 5 6 0 8 0 pvpl 32 172111 0 153135 189 0 189 189 0 265 35 pmappl 200 398 0 385 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 251 0 12 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(ffff800000b26f40,ffff800000b29100,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b22888,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805dd79410,cd604404,ffff800000ad1000,3,fffffd806c3bfa20,ffff80001d6a9758) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80574c5f10,cd604404,ffff800000ad1000,ffff80001d6a9758) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9758,ffff80001d777aa8,ffff80001d777af0) at sys_ioctl+0x4a1 syscall(ffff80001d777b70) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f42d7a4ab0, 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(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b26f40,ffff800000b29100,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b29100) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b22888,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad1000,3,ffff80001d6a9758) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805dd79410,cd604404,ffff800000ad1000,3,fffffd806c3bfa20,ffff80001d6a9758) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80574c5f10,cd604404,ffff800000ad1000,ffff80001d6a9758) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9758,ffff80001d777aa8,ffff80001d777af0) at sys_ioctl+0x4a1 syscall(ffff80001d777b70) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f42d7a4ab0, count: -11