uvm_fault(0xfffffd806bc0aaa0, 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(0xfffffd806bc0aaa0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff8000207af720, 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(ffff800000ae64c0,ffff800000ae2d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff8000207af938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8061e19970,80286987,ffff8000207af920,ffff80001d6c3398) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3398,ffff8000207afa38,ffff8000207afa80) at sys_ioctl+0x4a1 syscall(ffff8000207afb00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe25b815efe0, count: -9 ddb> show registers rdi 0xffffffff81c3a8b7 pfi_address_add+0x1e7 rsi 0x15f rbp 0xffff8000207af680 rbx 0 rdx 0x160 rcx 0xffff80001f9aa000 rax 0 r8 0xffffffff81c3a171 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x32bcb0f91de0e27b r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81c3a8bb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000207af610 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=371438 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c3d58,0xffffffff82837f10 process=0xffff80001d7075d8 user=0xffff8000207aa000, vmspace=0xfffffd806bc0aaa0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 28917 393804 81695 0 2 0 syz-executor.1 *28917 371438 81695 0 7 0x4000000 syz-executor.1 75319 306106 0 0 3 0x14200 bored sosplice 82257 228051 1 0 3 0x100083 ttyin getty 81695 429353 97587 0 2 0x482 syz-executor.1 18482 226231 97587 0 3 0x82 nanosleep syz-executor.0 97587 453920 20820 0 3 0x82 thrsleep syz-fuzzer 97587 186268 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 229536 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 110368 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 313450 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 316389 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 53616 20820 0 3 0x4000082 thrsleep syz-fuzzer 97587 250193 20820 0 3 0x4000082 kqread syz-fuzzer 20820 436216 17146 0 3 0x10008a pause ksh 17146 126376 49540 0 3 0x92 select sshd 49540 56969 1 0 3 0x80 select sshd 79859 273331 33431 73 2 0x100090 syslogd 33431 202655 1 0 3 0x100082 netio syslogd 87934 73279 1 77 3 0x100090 poll dhclient 94551 225105 1 0 3 0x80 poll dhclient 36724 352041 0 0 3 0x14200 bored smr 59154 1207 0 0 2 0x14200 zerothread 9392 321251 0 0 3 0x14200 aiodoned aiodoned 15002 364281 0 0 3 0x14200 syncer update 89394 328374 0 0 3 0x14200 cleaner cleaner 51828 333479 0 0 3 0x14200 reaper reaper 15217 150422 0 0 3 0x14200 pgdaemon pagedaemon 25060 12565 0 0 3 0x14200 bored crynlk 76990 56495 0 0 3 0x14200 bored crypto 15300 327874 0 0 3 0x40014200 acpi0 acpi0 32816 342300 0 0 3 0x14200 bored softnet 15487 345311 0 0 3 0x14200 bored systqmp 49002 170387 0 0 3 0x14200 bored systq 33321 95414 0 0 3 0x40014200 bored softclock 36046 481368 0 0 3 0x40014200 idle0 1 438784 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 9481 6335K 6725K 78643K 10843 0 pcb 14 8K 8K 78643K 62 0 rtable 81 3K 5K 78643K 268 0 ifaddr 63 13K 14K 78643K 91 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 4K 78643K 55 0 iov 0 0K 32K 78643K 37 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1314 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 46 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 281 0 sigio 0 0K 0K 78643K 1 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 99 0 in_multi 43 2K 2K 78643K 76 0 ether_multi 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 206 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 127 23K 23K 78643K 1500 0 UVM aobj 23 4K 4K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 9 0K 0K 78643K 15 0 temp 90 3856K 3931K 78643K 5429 0 kqueue 3 4K 8K 78643K 11 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 7 0 2 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 56 0 28 2 0 2 2 0 8 0 unpcb 120 144 0 134 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 198 0 194 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 90 0 90 1 1 0 1 0 8 0 inpcb 296 453 0 443 2 0 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 pfrktable 1344 12 0 9 1 0 1 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfrule 1360 12 0 6 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 259 0 126 12 1 11 12 0 8 0 art_table 32 260 0 126 2 0 2 2 0 8 0 art_node 16 55 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 42 0 32 1 0 1 1 0 8 0 shmpl 112 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1747 0 348 88 0 88 88 0 8 0 ffsino 240 1747 0 348 83 0 83 83 0 8 0 nchpl 144 2328 0 722 60 0 60 60 0 8 0 uvmvnodes 72 1857 0 0 34 0 34 34 0 8 0 vnodes 208 1857 0 0 98 0 98 98 0 8 0 namei 1024 6229 0 6229 1 0 1 1 0 8 1 pfiaddrpl 120 4 0 2 1 0 1 1 0 8 0 scxspl 192 7191 0 7191 1 0 1 1 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 424 469 0 440 4 0 4 4 0 8 0 futexpl 56 5070 0 5070 1 0 1 1 0 8 1 knotepl 112 75 0 56 1 0 1 1 0 8 0 kqueuepl 144 30 0 28 1 0 1 1 0 8 0 pipepl 272 97 0 87 1 0 1 1 0 8 0 fdescpl 432 454 0 440 2 0 2 2 0 8 0 filepl 120 2579 0 2481 4 0 4 4 0 8 1 lockfpl 104 261 0 260 1 0 1 1 0 8 0 lockfspl 48 77 0 76 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 20 0 10 1 0 1 1 0 8 0 ucredpl 96 212 0 205 1 0 1 1 0 8 0 zombiepl 144 440 0 439 1 0 1 1 0 8 0 processpl 928 469 0 439 4 0 4 4 0 8 0 procpl 624 784 0 746 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 632 0 610 4 1 3 4 0 8 0 mcl64k 65536 15 0 15 1 1 0 1 0 8 0 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 5 0 5 1 1 0 1 0 8 0 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 27 0 27 2 1 1 1 0 8 1 mcl2k2 2112 4 0 4 2 1 1 1 0 8 1 mcl2k 2048 92191 0 92149 16 10 6 12 0 8 0 mtagpl 96 32 0 5 2 1 1 1 0 8 0 mbufpl 256 147290 0 147148 19 6 13 17 0 8 1 bufpl 280 4009 0 126 278 0 278 278 0 8 0 anonpl 16 58157 0 41904 74 1 73 73 0 107 0 amapchunkpl 152 1857 0 1727 7 1 6 7 0 158 0 amappl16 192 2080 0 1082 52 1 51 52 0 8 0 amappl15 184 126 0 123 1 0 1 1 0 8 0 amappl14 176 150 0 145 1 0 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 13 0 10 1 0 1 1 0 8 0 amappl11 152 43 0 34 1 0 1 1 0 8 0 amappl10 144 138 0 130 1 0 1 1 0 8 0 amappl9 136 378 0 375 1 0 1 1 0 8 0 amappl8 128 345 0 299 2 0 2 2 0 8 0 amappl7 120 232 0 218 1 0 1 1 0 8 0 amappl6 112 24 0 18 1 0 1 1 0 8 0 amappl5 104 399 0 386 1 0 1 1 0 8 0 amappl4 96 427 0 396 1 0 1 1 0 8 0 amappl3 88 231 0 226 1 0 1 1 0 8 0 amappl2 80 2806 0 2741 2 0 2 2 0 8 0 amappl1 72 18844 0 18424 23 14 9 17 0 8 0 amappl 80 1019 0 979 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 24 0 2 1 0 1 1 0 8 0 uaddrrnd 24 454 0 440 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 454 0 440 1 0 1 1 0 8 0 vmmpekpl 168 6666 0 6636 2 0 2 2 0 8 0 vmmpepl 168 62029 0 59911 120 19 101 116 0 357 4 vmsppl 272 453 0 440 2 1 1 2 0 8 0 pdppl 4096 914 0 880 6 1 5 6 0 8 0 pvpl 32 182629 0 163361 174 4 170 174 0 265 0 pmappl 200 453 0 440 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 248 0 24 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(ffff800000ae64c0,ffff800000ae2d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff8000207af938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8061e19970,80286987,ffff8000207af920,ffff80001d6c3398) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3398,ffff8000207afa38,ffff8000207afa80) at sys_ioctl+0x4a1 syscall(ffff8000207afb00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe25b815efe0, 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(ffff800000ae64c0,ffff800000ae2d00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae2d00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff8000207af938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8061e19970,80286987,ffff8000207af920,ffff80001d6c3398) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d6c3398,ffff8000207afa38,ffff8000207afa80) at sys_ioctl+0x4a1 syscall(ffff8000207afb00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe25b815efe0, count: -9