uvm_fault(0xfffffd806369bbc0, 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(0xfffffd806369bbc0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d77fb10, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b0f800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afc010,ffff800000af4f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b0f800,ffff80001d77fd28) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8057ade500,80286987,ffff80001d77fd10,ffff80001d6d1890) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6d1890,ffff80001d77fe28,ffff80001d77fe70) at sys_ioctl+0x4a1 syscall(ffff80001d77fef0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdc984890f60, count: -9 ddb> show registers rdi 0xffffffff81fad7b7 pfi_address_add+0x1e7 rsi 0x1fd9 __ALIGN_SIZE+0xfd9 rbp 0xffff80001d77fa70 rbx 0 rdx 0x1fda __ALIGN_SIZE+0xfda rcx 0xffff8000209a6000 rax 0 r8 0xffffffff81fad071 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xd995f449a59c53b4 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81fad7bb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d77fa00 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=21490 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6d0ed0,0xffff80001d6d1150 process=0xffff80001d6c4e90 user=0xffff80001d77a000, vmspace=0xfffffd806369bbc0 estcpu=30, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 42396 37654 18587 0 2 0 syz-executor.1 *42396 21490 18587 0 7 0x4000000 syz-executor.1 42396 208261 18587 0 3 0x4000080 fsleep syz-executor.1 18587 293772 41169 0 3 0x82 nanosleep syz-executor.1 50118 454267 0 0 3 0x14200 bored sosplice 39541 437906 0 0 3 0x14200 acct acct 63942 435298 41169 0 3 0x82 piperd syz-executor.0 41169 189097 49107 0 3 0x82 thrsleep syz-fuzzer 41169 156567 49107 0 3 0x4000082 nanosleep syz-fuzzer 41169 523580 49107 0 3 0x4000082 thrsleep syz-fuzzer 41169 414035 49107 0 3 0x4000082 thrsleep syz-fuzzer 41169 257216 49107 0 3 0x4000082 thrsleep syz-fuzzer 41169 33123 49107 0 3 0x4000082 thrsleep syz-fuzzer 41169 167429 49107 0 3 0x4000082 thrsleep syz-fuzzer 41169 182880 49107 0 2 0x4000002 syz-fuzzer 49107 484226 35981 0 3 0x10008a pause ksh 35981 264869 40569 0 3 0x92 select sshd 55996 83171 1 0 3 0x100083 ttyin getty 40569 208050 1 0 3 0x80 select sshd 9190 94565 71544 73 3 0x100090 kqread syslogd 71544 356840 1 0 3 0x100082 netio syslogd 15994 15610 1 77 3 0x100090 poll dhclient 48660 413104 1 0 3 0x80 poll dhclient 22785 218643 0 0 3 0x14200 bored smr 56760 208998 0 0 2 0x14200 zerothread 1668 497930 0 0 3 0x14200 aiodoned aiodoned 31561 355955 0 0 3 0x14200 syncer update 86544 392796 0 0 3 0x14200 cleaner cleaner 54343 480511 0 0 3 0x14200 reaper reaper 32448 406906 0 0 3 0x14200 pgdaemon pagedaemon 92355 58885 0 0 3 0x14200 bored crynlk 70693 395887 0 0 3 0x14200 bored crypto 50861 445541 0 0 3 0x40014200 acpi0 acpi0 91525 182597 0 0 3 0x14200 bored softnet 31253 202213 0 0 3 0x14200 bored systqmp 2548 361617 0 0 3 0x14200 bored systq 157 329808 0 0 3 0x40014200 bored softclock 34836 107175 0 0 3 0x40014200 idle0 1 156764 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 9509 6348K 6846K 78643K 11834 0 pcb 14 8K 8K 78643K 132 0 rtable 120 7K 10K 78643K 775 0 ifaddr 85 17K 18K 78643K 305 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 34 0 ioctlops 0 0K 4K 78643K 225 0 iov 0 0K 16K 78643K 113 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1633 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 21 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 182 0 dirhash 9 1K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 1144 0 sigio 0 0K 0K 78643K 14 0 proc 49 38K 63K 78643K 489 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 71 0 in_multi 70 3K 3K 78643K 214 0 ether_multi 1 0K 0K 78643K 25 0 mrt 0 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 271 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 164 138K 148K 78643K 3479 0 UVM aobj 61 6K 6K 78643K 70 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 97 0 NDP 12 0K 0K 78643K 47 0 temp 136 3862K 3926K 78643K 23676 0 kqueue 3 4K 12K 78643K 61 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 88 0 86 1 0 1 1 0 8 0 rtentry 112 89 0 48 2 0 2 2 0 8 0 unpcb 120 367 0 359 1 0 1 1 0 8 0 syncache 264 14 0 14 5 5 0 1 0 8 0 tcpqe 32 45 0 45 2 2 0 1 0 8 0 tcpcb 544 262 0 258 1 0 1 1 0 8 0 ipq 40 10 0 10 4 4 0 1 0 8 0 ipqe 40 24 0 24 4 4 0 1 0 8 0 inpcb 296 2668 0 2657 8 6 2 2 0 8 1 rttmr 72 3 0 3 2 2 0 1 0 8 0 nd6 48 28 0 24 1 0 1 1 0 8 0 pkpcb 40 10 0 10 4 4 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrke_plain 160 9 0 5 1 0 1 1 0 8 0 pfrktable 1344 167 0 159 5 4 1 2 0 8 0 pftag 88 28 0 28 6 5 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 8 0 6 3 2 1 1 0 8 0 pfstate 328 4 0 3 3 2 1 1 0 8 0 pfrule 1360 56 0 38 4 2 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 373 0 197 17 6 11 15 0 8 0 art_table 32 374 0 197 2 0 2 2 0 8 0 art_node 16 88 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 12 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 174 0 164 1 0 1 1 0 8 0 shmpl 112 67 0 9 2 0 2 2 0 8 0 dirhash 1024 17 0 10 3 1 2 3 0 8 0 dino2pl 256 2863 0 1464 88 0 88 88 0 8 0 ffsino 240 2863 0 1464 83 0 83 83 0 8 0 nchpl 144 4694 0 3117 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 3201 0 0 59 0 59 59 0 8 0 vnodes 208 3201 0 0 169 0 169 169 0 8 0 namei 1024 13195 0 13195 5 4 1 1 0 8 1 vcpupl 1984 12 0 0 2 0 2 2 0 8 0 vmpool 528 26 0 14 3 2 1 1 0 8 0 pfiaddrpl 120 50 0 44 3 2 1 1 0 8 0 scxspl 192 14253 0 14253 6 5 1 1 0 8 1 plimitpl 152 93 0 86 1 0 1 1 0 8 0 sigapl 424 1349 0 1319 6 2 4 6 0 8 0 futexpl 56 23411 0 23410 5 4 1 1 0 8 0 knotepl 112 137 0 118 1 0 1 1 0 8 0 kqueuepl 144 118 0 115 1 0 1 1 0 8 0 pipepl 272 233 0 223 3 2 1 2 0 8 0 fdescpl 432 1313 0 1299 2 0 2 2 0 8 0 filepl 120 8263 0 8164 6 2 4 5 0 8 1 lockfpl 104 220 0 219 1 0 1 1 0 8 0 lockfspl 48 79 0 78 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 96 894 0 886 1 0 1 1 0 8 0 zombiepl 144 1319 0 1319 2 1 1 1 0 8 1 processpl 928 1349 0 1319 7 3 4 7 0 8 0 procpl 624 2641 0 2602 7 3 4 5 0 8 0 sosppl 128 6 0 6 3 3 0 1 0 8 0 sockpl 400 3135 0 3114 11 8 3 5 0 8 0 mcl64k 65536 549 0 549 73 72 1 65 0 8 1 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 28 0 28 6 6 0 1 0 8 0 mcl9k 9216 22 0 22 9 8 1 1 0 8 1 mcl8k 8192 37 0 37 11 10 1 1 0 8 1 mcl4k 4096 88 0 88 12 11 1 1 0 8 1 mcl2k2 2112 9 0 9 6 6 0 1 0 8 0 mcl2k 2048 95243 0 95196 18 11 7 13 0 8 0 mtagpl 96 70 0 52 3 2 1 1 0 8 0 mbufpl 256 157061 0 156818 56 38 18 37 0 8 0 bufpl 280 6198 0 846 383 0 383 383 0 8 0 anonpl 16 138887 0 121527 114 40 74 79 0 107 1 amapchunkpl 152 7220 0 7059 41 33 8 20 0 158 0 amappl16 192 5727 0 4734 67 14 53 54 0 8 3 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 386 0 380 1 0 1 1 0 8 0 amappl13 168 34 0 31 1 0 1 1 0 8 0 amappl12 160 12 0 8 1 0 1 1 0 8 0 amappl11 152 402 0 393 1 0 1 1 0 8 0 amappl10 144 14 0 11 1 0 1 1 0 8 0 amappl9 136 1119 0 1115 1 0 1 1 0 8 0 amappl8 128 1121 0 1066 2 0 2 2 0 8 0 amappl7 120 113 0 100 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 883 0 872 1 0 1 1 0 8 0 amappl4 96 795 0 766 1 0 1 1 0 8 0 amappl3 88 508 0 502 1 0 1 1 0 8 0 amappl2 80 9523 0 9454 2 0 2 2 0 8 0 amappl1 72 38089 0 37655 23 14 9 17 0 8 0 amappl 80 2901 0 2848 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 69 0 9 1 0 1 1 0 8 0 uaddrrnd 24 1339 0 1313 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1339 0 1313 1 0 1 1 0 8 0 vmmpekpl 168 11961 0 11930 2 0 2 2 0 8 0 vmmpepl 168 165419 0 163269 192 95 97 152 0 357 1 vmsppl 272 1338 0 1313 3 1 2 2 0 8 0 pdppl 4096 2684 0 2638 8 2 6 7 0 8 0 pvpl 32 383833 0 363556 261 82 179 188 0 265 10 pmappl 200 1338 0 1313 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 408 0 175 10 1 9 10 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(ffff800000b0f800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afc010,ffff800000af4f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b0f800,ffff80001d77fd28) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8057ade500,80286987,ffff80001d77fd10,ffff80001d6d1890) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6d1890,ffff80001d77fe28,ffff80001d77fe70) at sys_ioctl+0x4a1 syscall(ffff80001d77fef0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdc984890f60, 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(ffff800000b0f800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afc010,ffff800000af4f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b0f800,ffff80001d77fd28) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8057ade500,80286987,ffff80001d77fd10,ffff80001d6d1890) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6d1890,ffff80001d77fe28,ffff80001d77fe70) at sys_ioctl+0x4a1 syscall(ffff80001d77fef0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdc984890f60, count: -9