./file0/file0./file0/file0uvm_fault(0xfffffd806bc0aee0, 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(0xfffffd806bc0aee0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff8000209bf300, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000af7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b54a90,ffff800000af3e00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b5b8b0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d79a270,cd604404,ffff800000ac9000,3,fffffd806c3bfa20,ffff80001d770028) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80619f8528,cd604404,ffff800000ac9000,ffff80001d770028) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d770028,ffff8000209bf8a8,ffff8000209bf8f0) at sys_ioctl+0x4a1 syscall(ffff8000209bf970) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b2b30853c0, count: -11 ddb> show registers rdi 0xffffffff816687d7 pfi_address_add+0x1e7 rsi 0x63c rbp 0xffff8000209bf260 rbx 0 rdx 0x63d rcx 0xffff80001d7a2000 rax 0 r8 0xffffffff81668091 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x21a1a50309ba7c61 r12 0 r13 0x2 r14 0xffff800000654000 r15 0 rip 0xffffffff816687db pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000209bf1f0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=24743 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff80001d771af8,0xffffffff82829308 process=0xffff80001d6c4e90 user=0xffff8000209ba000, vmspace=0xfffffd806bc0aee0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 8845 312641 39456 0 2 0 syz-executor.1 * 8845 24743 39456 0 7 0x4000000 syz-executor.1 67426 150091 14589 0 3 0x82 piperd syz-executor.0 30950 305868 0 0 3 0x14200 bored sosplice 39456 476188 14589 0 3 0x82 nanosleep syz-executor.1 14589 139470 32419 0 3 0x82 thrsleep syz-fuzzer 14589 321075 32419 0 3 0x4000082 nanosleep syz-fuzzer 14589 193417 32419 0 2 0x4000002 syz-fuzzer 14589 447524 32419 0 3 0x4000082 thrsleep syz-fuzzer 14589 368863 32419 0 3 0x4000082 thrsleep syz-fuzzer 14589 258952 32419 0 3 0x4000082 thrsleep syz-fuzzer 14589 231193 32419 0 3 0x4000082 thrsleep syz-fuzzer 14589 324495 32419 0 3 0x4000082 thrsleep syz-fuzzer 32419 488828 96758 0 3 0x10008a pause ksh 96758 207482 50922 0 3 0x92 select sshd 12345 226652 1 0 3 0x100083 ttyopn getty 50922 357562 1 0 3 0x80 select sshd 8048 219231 38780 73 3 0x100090 kqread syslogd 38780 149781 1 0 3 0x100082 netio syslogd 48320 233500 1 77 3 0x100090 poll dhclient 78885 441831 1 0 3 0x80 poll dhclient 68434 222452 0 0 3 0x14200 bored smr 49835 488202 0 0 2 0x14200 zerothread 67734 21359 0 0 3 0x14200 aiodoned aiodoned 45932 500562 0 0 3 0x14200 syncer update 30211 161841 0 0 3 0x14200 cleaner cleaner 50300 223107 0 0 3 0x14200 reaper reaper 32391 306100 0 0 3 0x14200 pgdaemon pagedaemon 22390 246943 0 0 3 0x14200 bored crynlk 14526 428332 0 0 3 0x14200 bored crypto 19091 398003 0 0 3 0x40014200 acpi0 acpi0 37751 267531 0 0 3 0x14200 bored softnet 36767 388962 0 0 3 0x14200 bored systqmp 66694 403211 0 0 3 0x14200 bored systq 13946 119725 0 0 3 0x40014200 bored softclock 58207 382726 0 0 3 0x40014200 idle0 1 59172 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 9528 6563K 6884K 78643K 12263 0 pcb 13 8K 8K 78643K 164 0 rtable 138 14K 14K 78643K 799 0 ifaddr 96 20K 20K 78643K 282 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 17K 78643K 41 0 ioctlops 1 4K 4K 78643K 126 0 iov 0 0K 16K 78643K 98 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1719 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 12 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 250 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 967 0 sigio 0 0K 0K 78643K 16 0 proc 49 38K 63K 78643K 490 0 subproc 32 2K 2K 78643K 70 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 79 0 in_multi 81 3K 3K 78643K 240 0 ether_multi 1 0K 0K 78643K 29 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 272 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 134 23K 43K 78643K 3072 0 UVM aobj 80 3K 4K 78643K 93 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 137 0 NDP 12 0K 0K 78643K 52 0 temp 132 3881K 3945K 78643K 36179 0 kqueue 3 4K 24K 78643K 39 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 12 0 7 1 0 1 1 0 8 0 rtpcb 80 67 0 65 1 0 1 1 0 8 0 rtentry 112 116 0 78 2 0 2 2 0 8 0 unpcb 120 1831 0 1823 3 2 1 2 0 8 0 syncache 264 19 0 19 5 5 0 1 0 8 0 tcpqe 32 86 0 86 1 1 0 1 0 8 0 tcpcb 544 338 0 334 1 0 1 1 0 8 0 inpcb 296 891 0 884 8 6 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 27 0 24 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pfstscr 40 8 0 7 1 0 1 1 0 8 0 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 1 0 0 1 0 1 1 0 8 0 pfrke_plain 160 4 0 2 1 0 1 1 0 8 0 pfrktable 1344 141 0 120 3 1 2 2 0 8 0 pftag 88 29 0 22 1 0 1 1 0 8 0 pfqueue 264 2 0 0 1 0 1 1 0 8 0 pfstitem 24 4 0 2 1 0 1 1 0 8 0 pfstkey 112 10 0 8 1 0 1 1 0 8 0 pfstate 328 6 0 5 1 0 1 1 0 8 0 pfrule 1360 45 0 28 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 503 0 324 13 0 13 13 0 8 0 art_table 32 505 0 324 2 0 2 2 0 8 0 art_node 16 115 0 80 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 244 0 234 1 0 1 1 0 8 0 shmpl 112 90 0 13 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2595 0 1201 88 0 88 88 0 8 0 ffsino 240 2595 0 1201 83 0 83 83 0 8 0 nchpl 144 4493 0 2917 60 0 60 60 0 8 0 rtmask 32 8 0 6 1 0 1 1 0 8 0 uvmvnodes 72 3043 0 0 56 0 56 56 0 8 0 vnodes 208 3043 0 0 161 0 161 161 0 8 0 namei 1024 11828 0 11828 4 3 1 1 0 8 1 vmpool 528 5 0 5 3 3 0 1 0 8 0 pfiaddrpl 120 55 0 40 1 0 1 1 0 8 0 scxspl 192 12355 0 12355 1 0 1 1 0 8 1 plimitpl 152 69 0 62 1 0 1 1 0 8 0 sigapl 424 1168 0 1139 6 1 5 6 0 8 0 futexpl 56 20858 0 20858 4 3 1 1 0 8 1 knotepl 112 176 0 157 2 1 1 2 0 8 0 kqueuepl 144 182 0 180 1 0 1 1 0 8 0 pipepl 272 195 0 185 1 0 1 1 0 8 0 fdescpl 432 1133 0 1119 2 0 2 2 0 8 0 filepl 120 7547 0 7451 4 0 4 4 0 8 1 lockfpl 104 162 0 161 1 0 1 1 0 8 0 lockfspl 48 56 0 55 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 37 0 27 1 0 1 1 0 8 0 ucredpl 96 522 0 514 1 0 1 1 0 8 0 zombiepl 144 1139 0 1139 1 0 1 1 0 8 1 processpl 928 1168 0 1139 7 2 5 7 0 8 0 procpl 624 2257 0 2220 6 1 5 5 0 8 0 sosppl 128 9 0 9 4 3 1 1 0 8 1 sockpl 400 2791 0 2774 15 12 3 5 0 8 1 mcl64k 65536 57 0 57 8 7 1 1 0 8 1 mcl16k 16384 7 0 7 4 4 0 1 0 8 0 mcl12k 12288 28 0 28 8 7 1 1 0 8 1 mcl9k 9216 15 0 15 7 6 1 1 0 8 1 mcl8k 8192 29 0 29 5 4 1 1 0 8 1 mcl4k 4096 105 0 105 7 6 1 1 0 8 1 mcl2k2 2112 13 0 13 7 6 1 1 0 8 1 mcl2k 2048 94904 0 94852 21 13 8 15 0 8 1 mtagpl 96 187 0 59 5 1 4 4 0 8 0 mbufpl 256 156806 0 156386 63 29 34 44 0 8 0 bufpl 280 5024 0 128 350 0 350 350 0 8 0 anonpl 16 146370 0 129401 100 16 84 87 0 107 0 amapchunkpl 152 6335 0 6193 40 33 7 20 0 158 0 amappl16 192 5474 0 4329 95 37 58 69 0 8 0 amappl15 184 33 0 32 1 0 1 1 0 8 0 amappl14 176 159 0 153 1 0 1 1 0 8 0 amappl13 168 670 0 664 1 0 1 1 0 8 0 amappl12 160 646 0 642 1 0 1 1 0 8 0 amappl11 152 297 0 287 1 0 1 1 0 8 0 amappl10 144 44 0 39 1 0 1 1 0 8 0 amappl9 136 367 0 366 1 0 1 1 0 8 0 amappl8 128 369 0 324 2 0 2 2 0 8 0 amappl7 120 151 0 139 1 0 1 1 0 8 0 amappl6 112 133 0 125 1 0 1 1 0 8 0 amappl5 104 311 0 300 1 0 1 1 0 8 0 amappl4 96 1226 0 1194 1 0 1 1 0 8 0 amappl3 88 959 0 950 1 0 1 1 0 8 0 amappl2 80 8061 0 7997 2 0 2 2 0 8 0 amappl1 72 34272 0 33854 24 15 9 17 0 8 0 amappl 80 2513 0 2466 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 92 0 13 2 0 2 2 0 8 0 uaddrrnd 24 1138 0 1124 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1138 0 1124 1 0 1 1 0 8 0 vmmpekpl 168 9998 0 9968 2 0 2 2 0 8 0 vmmpepl 168 145406 0 143145 162 62 100 128 0 357 1 vmsppl 272 1137 0 1124 2 1 1 2 0 8 0 pdppl 4096 2282 0 2248 6 1 5 6 0 8 0 pvpl 32 375125 0 355140 229 36 193 204 0 265 0 pmappl 200 1137 0 1124 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 336 0 83 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(ffff800000af7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b54a90,ffff800000af3e00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b5b8b0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d79a270,cd604404,ffff800000ac9000,3,fffffd806c3bfa20,ffff80001d770028) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80619f8528,cd604404,ffff800000ac9000,ffff80001d770028) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d770028,ffff8000209bf8a8,ffff8000209bf8f0) at sys_ioctl+0x4a1 syscall(ffff8000209bf970) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b2b30853c0, 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(ffff800000af7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b54a90,ffff800000af3e00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af3e00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b5b8b0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac9000,3,ffff80001d770028) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d79a270,cd604404,ffff800000ac9000,3,fffffd806c3bfa20,ffff80001d770028) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80619f8528,cd604404,ffff800000ac9000,ffff80001d770028) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d770028,ffff8000209bf8a8,ffff8000209bf8f0) at sys_ioctl+0x4a1 syscall(ffff8000209bf970) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b2b30853c0, count: -11