uvm_fault(0xfffffd805f0cfab0, 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(0xfffffd805f0cfab0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e7a0c40, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000af5000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afdf88,ffff800000af4c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ad8e00,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7235b0,cd604404,ffff800000ad0000,3,fffffd806c3bf8a0,ffff80001d6c2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80576843d0,cd604404,ffff800000ad0000,ffff80001d6c2018) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c2018,ffff80001e7a11e8,ffff80001e7a1230) at sys_ioctl+0x4a1 syscall(ffff80001e7a12b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc852b88b8a0, count: -11 ddb> show registers rdi 0xffffffff813bf2e7 pfi_address_add+0x1e7 rsi 0x4d2 rbp 0xffff80001e7a0ba0 rbx 0 rdx 0x4d3 rcx 0xffff80001f9a8000 rax 0 r8 0xffffffff813beba1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xa322d046644ac769 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff813bf2eb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7a0b30 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=153593 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c24f8,0xffffffff828503c8 process=0xffff80001d6c4e90 user=0xffff80001e79c000, vmspace=0xfffffd805f0cfab0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 43726 17823 69005 0 2 0 syz-executor.1 *43726 153593 69005 0 7 0x4000000 syz-executor.1 19363 176623 0 0 3 0x14200 bored sosplice 69005 110393 7137 0 3 0x82 nanosleep syz-executor.1 8732 95463 0 0 3 0x14200 acct acct 95479 510390 7137 0 2 0x2 syz-executor.0 7137 521795 32288 0 3 0x82 thrsleep syz-fuzzer 7137 302905 32288 0 3 0x4000082 nanosleep syz-fuzzer 7137 100129 32288 0 3 0x4000082 thrsleep syz-fuzzer 7137 285065 32288 0 3 0x4000082 thrsleep syz-fuzzer 7137 306196 32288 0 3 0x4000082 thrsleep syz-fuzzer 7137 40005 32288 0 3 0x4000082 thrsleep syz-fuzzer 7137 162036 32288 0 3 0x4000082 thrsleep syz-fuzzer 7137 341207 32288 0 3 0x4000082 kqread syz-fuzzer 32288 124099 70968 0 3 0x10008a pause ksh 70968 261493 57563 0 3 0x92 select sshd 86990 9411 1 0 3 0x100083 ttyin getty 57563 45097 1 0 3 0x80 select sshd 5462 353857 83112 73 3 0x100090 kqread syslogd 83112 219451 1 0 3 0x100082 netio syslogd 95232 427554 1 77 3 0x100090 poll dhclient 17633 165865 1 0 3 0x80 poll dhclient 7646 329234 0 0 3 0x14200 bored smr 80861 362072 0 0 2 0x14200 zerothread 31090 254628 0 0 3 0x14200 aiodoned aiodoned 88798 445783 0 0 3 0x14200 syncer update 91703 80084 0 0 3 0x14200 cleaner cleaner 31649 238932 0 0 3 0x14200 reaper reaper 16147 7964 0 0 3 0x14200 pgdaemon pagedaemon 60260 466127 0 0 3 0x14200 bored crynlk 15739 109338 0 0 3 0x14200 bored crypto 89821 387282 0 0 3 0x40014200 acpi0 acpi0 75036 254711 0 0 3 0x14200 bored softnet 97974 439732 0 0 3 0x14200 bored systqmp 1117 417553 0 0 3 0x14200 bored systq 31706 9771 0 0 3 0x40014200 bored softclock 43078 189731 0 0 3 0x40014200 idle0 1 396500 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 9488 6338K 6651K 78643K 10886 0 pcb 13 8K 8K 78643K 76 0 rtable 88 4K 7K 78643K 465 0 ifaddr 67 14K 15K 78643K 173 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 26 0 ioctlops 1 4K 4K 78643K 89 0 iov 0 0K 16K 78643K 26 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1341 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 1K 78643K 86 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 537 0 sigio 0 0K 0K 78643K 10 0 proc 49 38K 54K 78643K 418 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 21 0 in_multi 43 2K 2K 78643K 148 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 4 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 210 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 135 40K 43K 78643K 2078 0 UVM aobj 9 2K 2K 78643K 15 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 65 0 NDP 10 0K 0K 78643K 31 0 temp 92 3855K 3921K 78643K 6107 0 kqueue 3 4K 8K 78643K 52 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 4 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 88 0 58 2 0 2 2 0 8 0 unpcb 120 145 0 137 1 0 1 1 0 8 0 syncache 264 10 0 10 3 3 0 1 0 8 0 tcpqe 32 36 0 36 1 1 0 1 0 8 0 tcpcb 544 969 0 965 3 2 1 2 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 8 0 8 1 1 0 1 0 8 0 inpcb 296 1200 0 1193 4 2 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 24 0 23 1 0 1 1 0 8 0 pfrke_plain 160 4 0 4 1 1 0 1 0 8 0 pfrktable 1344 86 0 82 2 1 1 1 0 8 0 pftag 88 19 0 16 2 1 1 1 0 8 0 pfstkey 112 2 0 2 1 1 0 1 0 8 0 pfstate 328 1 0 1 1 1 0 1 0 8 0 pfrule 1360 29 0 22 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 357 0 228 14 2 12 13 0 8 1 art_table 32 358 0 228 2 0 2 2 0 8 0 art_node 16 87 0 59 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 82 0 72 1 0 1 1 0 8 0 shmpl 112 12 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2016 0 616 88 0 88 88 0 8 0 ffsino 240 2016 0 616 83 0 83 83 0 8 0 nchpl 144 2884 0 1296 60 0 60 60 0 8 0 rtmask 32 8 0 8 1 1 0 1 0 8 0 uvmvnodes 72 2149 0 0 40 0 40 40 0 8 0 vnodes 208 2149 0 0 114 0 114 114 0 8 0 namei 1024 7403 0 7402 3 2 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 528 5 0 1 2 1 1 1 0 8 0 pfiaddrpl 120 25 0 24 4 3 1 1 0 8 0 scxspl 192 8430 0 8430 2 1 1 1 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 424 722 0 692 4 0 4 4 0 8 0 futexpl 56 9391 0 9391 3 2 1 1 0 8 1 knotepl 112 107 0 88 1 0 1 1 0 8 0 kqueuepl 144 281 0 279 1 0 1 1 0 8 0 pipepl 272 134 0 124 2 1 1 2 0 8 0 fdescpl 432 706 0 692 2 0 2 2 0 8 0 filepl 120 3989 0 3893 4 0 4 4 0 8 1 lockfpl 104 72 0 71 1 0 1 1 0 8 0 lockfspl 48 27 0 26 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 243 0 236 1 0 1 1 0 8 0 zombiepl 144 692 0 692 1 0 1 1 0 8 1 processpl 928 722 0 692 4 0 4 4 0 8 0 procpl 624 1323 0 1285 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 1380 0 1363 7 4 3 4 0 8 1 mcl64k 65536 18 0 18 2 2 0 1 0 8 0 mcl12k 12288 16 0 16 3 2 1 1 0 8 1 mcl9k 9216 15 0 15 3 2 1 1 0 8 1 mcl8k 8192 12 0 12 2 2 0 1 0 8 0 mcl4k 4096 46 0 46 4 3 1 1 0 8 1 mcl2k 2048 92913 0 92869 15 8 7 12 0 8 0 mtagpl 96 20 0 14 2 1 1 1 0 8 0 mbufpl 256 149680 0 149552 20 8 12 14 0 8 0 bufpl 280 4133 0 126 287 0 287 287 0 8 0 anonpl 16 79345 0 62756 78 11 67 72 0 107 0 amapchunkpl 152 3480 0 3347 23 17 6 19 0 158 0 amappl16 192 3012 0 2103 46 0 46 46 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 24 0 18 1 0 1 1 0 8 0 amappl13 168 296 0 291 1 0 1 1 0 8 0 amappl12 160 294 0 292 2 1 1 1 0 8 0 amappl11 152 55 0 44 1 0 1 1 0 8 0 amappl10 144 20 0 13 1 0 1 1 0 8 0 amappl9 136 359 0 358 1 0 1 1 0 8 0 amappl8 128 355 0 309 2 0 2 2 0 8 0 amappl7 120 115 0 101 1 0 1 1 0 8 0 amappl6 112 25 0 18 1 0 1 1 0 8 0 amappl5 104 891 0 880 1 0 1 1 0 8 0 amappl4 96 631 0 603 1 0 1 1 0 8 0 amappl3 88 137 0 132 1 0 1 1 0 8 0 amappl2 80 4804 0 4739 2 0 2 2 0 8 0 amappl1 72 25140 0 24724 22 13 9 17 0 8 0 amappl 80 1562 0 1520 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 14 0 6 1 0 1 1 0 8 0 uaddrrnd 24 711 0 693 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 711 0 693 1 0 1 1 0 8 0 vmmpekpl 168 8462 0 8431 2 0 2 2 0 8 0 vmmpepl 168 92463 0 90447 139 45 94 120 0 357 5 vmsppl 272 710 0 693 3 1 2 2 0 8 0 pdppl 4096 1428 0 1390 7 1 6 6 0 8 0 pvpl 32 235772 0 216178 179 18 161 171 0 265 2 pmappl 200 710 0 693 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 265 0 39 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(ffff800000af5000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afdf88,ffff800000af4c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ad8e00,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7235b0,cd604404,ffff800000ad0000,3,fffffd806c3bf8a0,ffff80001d6c2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80576843d0,cd604404,ffff800000ad0000,ffff80001d6c2018) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c2018,ffff80001e7a11e8,ffff80001e7a1230) at sys_ioctl+0x4a1 syscall(ffff80001e7a12b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc852b88b8a0, 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(ffff800000af5000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000afdf88,ffff800000af4c00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af4c00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ad8e00,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ad0000,3,ffff80001d6c2018) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d7235b0,cd604404,ffff800000ad0000,3,fffffd806c3bf8a0,ffff80001d6c2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80576843d0,cd604404,ffff800000ad0000,ffff80001d6c2018) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c2018,ffff80001e7a11e8,ffff80001e7a1230) at sys_ioctl+0x4a1 syscall(ffff80001e7a12b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc852b88b8a0, count: -11