uvm_fault(0xfffffd805fd22aa8, 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(0xfffffd805fd22aa8, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e7d9830, 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(ffff800000ae6a00,ffff800000ad2c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e7d9a48) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80578841c8,80286987,ffff80001e7d9a30,ffff80001d6c3608) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3608,ffff80001e7d9b48,ffff80001e7d9b90) at sys_ioctl+0x4a1 syscall(ffff80001e7d9c10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7783bd59a0, count: -9 ddb> show registers rdi 0xffffffff818873c7 pfi_address_add+0x1e7 rsi 0xa21 rbp 0xffff80001e7d9790 rbx 0 rdx 0xa22 rcx 0xffff80001f97e000 rax 0 r8 0xffffffff81886c81 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xb9cad81abbc129ef r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff818873cb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7d9720 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=142987 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c2c48,0xffffffff8285d098 process=0xffff80001d6c4e90 user=0xffff80001e7d4000, vmspace=0xfffffd805fd22aa8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 24614 158397 74424 0 2 0 syz-executor.1 *24614 142987 74424 0 7 0x4000000 syz-executor.1 15163 77808 72705 0 3 0x80 nanosleep syz-executor.0 15163 321295 72705 0 3 0x4000080 ttyretype syz-executor.0 15163 122864 72705 0 3 0x4000080 fsleep syz-executor.0 45840 72002 0 0 3 0x14200 acct acct 79144 164546 0 0 3 0x14200 bored sosplice 74424 202055 16350 0 3 0x82 nanosleep syz-executor.1 72705 361393 16350 0 3 0x82 nanosleep syz-executor.0 16350 300990 40217 0 3 0x82 thrsleep syz-fuzzer 16350 252027 40217 0 3 0x4000082 nanosleep syz-fuzzer 16350 86958 40217 0 3 0x4000082 kqread syz-fuzzer 16350 430063 40217 0 3 0x4000082 thrsleep syz-fuzzer 16350 319318 40217 0 3 0x4000082 thrsleep syz-fuzzer 16350 371780 40217 0 3 0x4000082 thrsleep syz-fuzzer 16350 351924 40217 0 3 0x4000082 thrsleep syz-fuzzer 16350 19691 40217 0 3 0x4000082 thrsleep syz-fuzzer 40217 131617 60837 0 3 0x10008a pause ksh 60837 500139 89498 0 3 0x92 select sshd 70408 122353 1 0 3 0x100083 ttyin getty 89498 193057 1 0 3 0x80 select sshd 99533 103665 81188 73 3 0x100090 kqread syslogd 81188 425613 1 0 3 0x100082 netio syslogd 33974 65747 1 77 3 0x100090 poll dhclient 1888 523576 1 0 3 0x80 poll dhclient 72249 223155 0 0 3 0x14200 bored smr 84319 178870 0 0 2 0x14200 zerothread 30433 227551 0 0 3 0x14200 aiodoned aiodoned 23321 169408 0 0 3 0x14200 syncer update 53095 197718 0 0 3 0x14200 cleaner cleaner 77444 518234 0 0 3 0x14200 reaper reaper 98087 78642 0 0 3 0x14200 pgdaemon pagedaemon 68204 105503 0 0 3 0x14200 bored crynlk 96397 146418 0 0 3 0x14200 bored crypto 68691 22238 0 0 3 0x40014200 acpi0 acpi0 26747 24826 0 0 3 0x14200 bored softnet 15936 105529 0 0 3 0x14200 bored systqmp 76273 212270 0 0 3 0x14200 bored systq 78914 157035 0 0 3 0x40014200 bored softclock 21099 495708 0 0 3 0x40014200 idle0 1 262950 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 9511 6346K 6725K 78643K 11547 0 pcb 13 8K 8K 78643K 110 0 rtable 139 10K 13K 78643K 524 0 ifaddr 93 18K 19K 78643K 180 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 26 0 ioctlops 0 0K 4K 78643K 143 0 iov 0 0K 16K 78643K 88 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1526 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 104 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 670 0 sigio 0 0K 0K 78643K 8 0 proc 50 38K 54K 78643K 397 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 36 0 in_multi 55 2K 3K 78643K 162 0 ether_multi 1 0K 0K 78643K 14 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 245 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 152 57K 58K 78643K 2370 0 UVM aobj 22 4K 4K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 82 0 NDP 13 0K 0K 78643K 33 0 temp 147 3876K 3944K 78643K 22806 0 kqueue 4 6K 24K 78643K 34 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 0 1 0 1 1 0 8 0 rtpcb 80 59 0 57 1 0 1 1 0 8 0 rtentry 112 71 0 27 2 0 2 2 0 8 0 unpcb 120 479 0 471 1 0 1 1 0 8 0 syncache 264 8 0 8 2 2 0 1 0 8 0 tcpqe 32 229 0 229 1 1 0 1 0 8 0 tcpcb 544 166 0 162 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 49 0 49 1 1 0 1 0 8 0 inpcb 296 1587 0 1574 4 2 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 21 0 17 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 pfrke_plain 160 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 104 0 89 2 0 2 2 0 8 0 pftag 88 14 0 8 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 34 0 18 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 227 0 48 13 0 13 13 0 8 0 art_table 32 228 0 48 2 0 2 2 0 8 0 art_node 16 70 0 30 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 102 0 92 1 0 1 1 0 8 0 shmpl 112 21 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2227 0 829 88 0 88 88 0 8 0 ffsino 240 2227 0 829 83 0 83 83 0 8 0 nchpl 144 3300 0 1696 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 2515 0 0 46 0 46 46 0 8 0 vnodes 208 2515 0 0 133 0 133 133 0 8 0 namei 1024 8875 0 8875 3 2 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 4 0 2 2 1 1 1 0 8 0 pfiaddrpl 120 44 0 30 1 0 1 1 0 8 0 scxspl 192 10175 0 10175 1 0 1 1 0 8 1 plimitpl 152 65 0 57 1 0 1 1 0 8 0 sigapl 424 858 0 827 4 0 4 4 0 8 0 futexpl 56 13428 0 13427 2 1 1 1 0 8 0 knotepl 112 146 0 127 2 1 1 2 0 8 0 kqueuepl 144 71 0 67 1 0 1 1 0 8 0 pipepl 272 156 0 146 2 1 1 2 0 8 0 fdescpl 432 842 0 827 2 0 2 2 0 8 0 filepl 120 5461 0 5357 5 1 4 4 0 8 0 lockfpl 104 118 0 117 1 0 1 1 0 8 0 lockfspl 48 42 0 41 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 538 0 531 1 0 1 1 0 8 0 zombiepl 144 827 0 827 2 1 1 1 0 8 1 processpl 928 858 0 827 4 0 4 4 0 8 0 procpl 624 1614 0 1573 4 0 4 4 0 8 0 sosppl 128 5 0 5 2 1 1 1 0 8 1 sockpl 400 2142 0 2120 8 4 4 4 0 8 1 mcl64k 65536 45 0 45 5 4 1 1 0 8 1 mcl16k 16384 7 0 7 3 2 1 1 0 8 1 mcl12k 12288 14 0 14 3 2 1 1 0 8 1 mcl9k 9216 14 0 14 4 3 1 1 0 8 1 mcl8k 8192 55 0 55 4 3 1 1 0 8 1 mcl4k 4096 66 0 66 3 2 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 94066 0 94019 14 7 7 14 0 8 0 mtagpl 96 113 0 49 3 1 2 2 0 8 0 mbufpl 256 153409 0 153104 28 8 20 20 0 8 0 bufpl 280 4659 0 132 324 0 324 324 0 8 0 anonpl 16 95715 0 79137 86 10 76 85 0 107 0 amapchunkpl 152 3633 0 3476 18 11 7 14 0 158 0 amappl16 192 3879 0 2882 69 19 50 62 0 8 0 amappl15 184 322 0 319 1 0 1 1 0 8 0 amappl14 176 25 0 21 1 0 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 18 0 14 1 0 1 1 0 8 0 amappl11 152 363 0 351 1 0 1 1 0 8 0 amappl10 144 335 0 330 1 0 1 1 0 8 0 amappl9 136 381 0 380 1 0 1 1 0 8 0 amappl8 128 353 0 304 2 0 2 2 0 8 0 amappl7 120 105 0 92 1 0 1 1 0 8 0 amappl6 112 343 0 335 1 0 1 1 0 8 0 amappl5 104 773 0 758 1 0 1 1 0 8 0 amappl4 96 431 0 403 1 0 1 1 0 8 0 amappl3 88 122 0 117 1 0 1 1 0 8 0 amappl2 80 6285 0 6207 2 0 2 2 0 8 0 amappl1 72 27654 0 27210 24 15 9 17 0 8 0 amappl 80 1865 0 1815 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 23 0 2 1 0 1 1 0 8 0 uaddrrnd 24 846 0 829 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 846 0 829 1 0 1 1 0 8 0 vmmpekpl 168 8857 0 8828 2 0 2 2 0 8 0 vmmpepl 168 109033 0 106790 142 43 99 117 0 357 1 vmsppl 272 845 0 829 5 3 2 2 0 8 0 pdppl 4096 1698 0 1660 6 1 5 6 0 8 0 pvpl 32 275498 0 255819 206 33 173 195 0 265 0 pmappl 200 845 0 829 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 278 0 39 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(ffff800000ae6a00,ffff800000ad2c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e7d9a48) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80578841c8,80286987,ffff80001e7d9a30,ffff80001d6c3608) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3608,ffff80001e7d9b48,ffff80001e7d9b90) at sys_ioctl+0x4a1 syscall(ffff80001e7d9c10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7783bd59a0, 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(ffff800000ae6a00,ffff800000ad2c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad2c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e7d9a48) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80578841c8,80286987,ffff80001e7d9a30,ffff80001d6c3608) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3608,ffff80001e7d9b48,ffff80001e7d9b90) at sys_ioctl+0x4a1 syscall(ffff80001e7d9c10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7783bd59a0, count: -9