uvm_fault(0xfffffd8052d08de0, 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(0xfffffd8052d08de0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff8000205d28e0, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ad7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b08a88,ffff800000ad5800,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b348a0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd806b4d90d0,cd604404,ffff800000ac7000,3,fffffd806c3bf960,ffff80001d6a9008) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805d888d28,cd604404,ffff800000ac7000,ffff80001d6a9008) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9008,ffff8000205d2e88,ffff8000205d2ed0) at sys_ioctl+0x4a1 syscall(ffff8000205d2f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1a01350, count: -11 ddb> show registers rdi 0xffffffff816fe797 pfi_address_add+0x1e7 rsi 0x576 rbp 0xffff8000205d2840 rbx 0 rdx 0x577 rcx 0xffff8000209a4000 rax 0 r8 0xffffffff816fe051 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x25b0c3ece5041088 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff816fe79b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000205d27d0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=46634 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6a94e8,0xffffffff8280df10 process=0xffff80001d7075d8 user=0xffff8000205ce000, vmspace=0xfffffd8052d08de0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 41894 348018 51698 0 2 0 syz-executor.0 *41894 46634 51698 0 7 0x4000000 syz-executor.0 29944 310588 53205 0 2 0 syz-executor.1 29944 291890 53205 0 2 0x4000000 syz-executor.1 51698 28284 9286 0 3 0x82 nanosleep syz-executor.0 75199 310089 0 0 3 0x14200 bored sosplice 53205 76815 9286 0 3 0x82 nanosleep syz-executor.1 9286 219835 98929 0 3 0x82 thrsleep syz-fuzzer 9286 130268 98929 0 3 0x4000082 thrsleep syz-fuzzer 9286 431435 98929 0 3 0x4000082 thrsleep syz-fuzzer 9286 293816 98929 0 3 0x4000082 thrsleep syz-fuzzer 9286 90518 98929 0 3 0x4000082 thrsleep syz-fuzzer 9286 372607 98929 0 3 0x4000082 kqread syz-fuzzer 9286 213347 98929 0 3 0x4000082 thrsleep syz-fuzzer 9286 25597 98929 0 3 0x4000082 thrsleep syz-fuzzer 98929 64658 59218 0 3 0x10008a pause ksh 59218 290658 23029 0 3 0x92 select sshd 13295 400674 1 0 3 0x100083 ttyin getty 23029 420568 1 0 3 0x80 select sshd 30114 145521 15748 73 3 0x100090 kqread syslogd 15748 61985 1 0 3 0x100082 netio syslogd 28537 29895 1 77 3 0x100090 poll dhclient 13627 288787 1 0 3 0x80 poll dhclient 60867 241787 0 0 3 0x14200 bored smr 34760 417655 0 0 2 0x14200 zerothread 11303 481683 0 0 3 0x14200 aiodoned aiodoned 27448 503751 0 0 3 0x14200 syncer update 26336 411661 0 0 3 0x14200 cleaner cleaner 82168 108925 0 0 3 0x14200 reaper reaper 61193 245202 0 0 3 0x14200 pgdaemon pagedaemon 56930 230400 0 0 3 0x14200 bored crynlk 61409 273462 0 0 3 0x14200 bored crypto 60694 487416 0 0 3 0x40014200 acpi0 acpi0 43204 473285 0 0 3 0x14200 bored softnet 2180 523050 0 0 3 0x14200 bored systqmp 52452 299107 0 0 3 0x14200 bored systq 82137 85443 0 0 3 0x40014200 bored softclock 50077 299123 0 0 3 0x40014200 idle0 1 298970 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 9499 6342K 6795K 78643K 11288 0 pcb 13 8K 8K 78643K 76 0 rtable 137 13K 14K 78643K 550 0 ifaddr 81 16K 16K 78643K 148 0 sysctl 1 1K 1K 78643K 1 0 counters 21 16K 16K 78643K 24 0 ioctlops 1 4K 4K 78643K 118 0 iov 0 0K 12K 78643K 49 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1465 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 55 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 427 0 sigio 0 0K 0K 78643K 2 0 proc 50 38K 55K 78643K 437 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 47 0 in_multi 41 2K 2K 78643K 126 0 ether_multi 1 0K 0K 78643K 13 0 mrt 3 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 204 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 141 72K 72K 78643K 1820 0 UVM aobj 9 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 39 0 NDP 13 0K 0K 78643K 26 0 temp 116 3863K 3927K 78643K 9959 0 kqueue 3 4K 10K 78643K 21 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 9 0 5 1 0 1 1 0 8 0 rtpcb 80 39 0 37 1 0 1 1 0 8 0 rtentry 112 78 0 41 2 0 2 2 0 8 0 unpcb 120 267 0 259 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 899 0 899 1 1 0 1 0 8 0 tcpcb 544 127 0 123 1 0 1 1 0 8 0 ipq 40 2 0 2 1 0 1 1 0 8 1 ipqe 40 6 0 6 1 0 1 1 0 8 1 inpcb 296 385 0 378 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 16 0 12 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 2 0 0 1 0 1 1 0 8 0 pfrke_plain 160 14 0 8 1 0 1 1 0 8 0 pfrktable 1344 102 0 82 2 0 2 2 0 8 0 pftag 88 17 0 14 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 39 0 20 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 387 0 196 15 0 15 15 0 8 1 art_table 32 388 0 196 2 0 2 2 0 8 0 art_node 16 77 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 6 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 49 0 39 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1904 0 506 88 0 88 88 0 8 0 ffsino 240 1904 0 506 83 0 83 83 0 8 0 nchpl 144 2873 0 1283 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 2147 0 0 40 0 40 40 0 8 0 vnodes 208 2147 0 0 113 0 113 113 0 8 0 namei 1024 7389 0 7389 1 0 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 528 6 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 51 0 32 1 0 1 1 0 8 0 scxspl 192 7538 0 7538 1 0 1 1 0 8 1 plimitpl 152 25 0 18 1 0 1 1 0 8 0 sigapl 424 611 0 581 4 0 4 4 0 8 0 futexpl 56 7806 0 7806 1 0 1 1 0 8 1 knotepl 112 95 0 76 1 0 1 1 0 8 0 kqueuepl 144 51 0 48 1 0 1 1 0 8 0 pipepl 272 122 0 112 1 0 1 1 0 8 0 fdescpl 432 596 0 581 2 0 2 2 0 8 0 filepl 120 3425 0 3329 4 0 4 4 0 8 1 lockfpl 104 49 0 48 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 38 0 28 1 0 1 1 0 8 0 ucredpl 96 263 0 256 1 0 1 1 0 8 0 zombiepl 144 581 0 581 1 0 1 1 0 8 1 processpl 928 611 0 581 4 0 4 4 0 8 0 procpl 624 1052 0 1013 4 0 4 4 0 8 1 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 694 0 677 4 0 4 4 0 8 2 mcl64k 65536 24 0 24 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 2 1 1 1 0 8 1 mcl12k 12288 12 0 12 1 0 1 1 0 8 1 mcl9k 9216 7 0 7 2 1 1 1 0 8 1 mcl8k 8192 10 0 10 2 1 1 1 0 8 1 mcl4k 4096 37 0 37 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 93419 0 93359 29 20 9 20 0 8 0 mtagpl 96 40 0 10 2 1 1 1 0 8 0 mbufpl 256 150097 0 149880 20 5 15 15 0 8 0 bufpl 280 3910 0 127 271 0 271 271 0 8 0 anonpl 16 70289 0 53774 77 1 76 76 0 107 0 amapchunkpl 152 2374 0 2230 8 2 6 7 0 158 0 amappl16 192 2709 0 1674 54 0 54 54 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 267 0 259 1 0 1 1 0 8 0 amappl13 168 35 0 31 1 0 1 1 0 8 0 amappl12 160 15 0 13 1 0 1 1 0 8 0 amappl11 152 292 0 281 1 0 1 1 0 8 0 amappl10 144 15 0 10 1 0 1 1 0 8 0 amappl9 136 373 0 372 1 0 1 1 0 8 0 amappl8 128 356 0 309 2 0 2 2 0 8 0 amappl7 120 123 0 109 1 0 1 1 0 8 0 amappl6 112 223 0 213 1 0 1 1 0 8 0 amappl5 104 288 0 275 1 0 1 1 0 8 0 amappl4 96 676 0 647 1 0 1 1 0 8 0 amappl3 88 171 0 166 1 0 1 1 0 8 0 amappl2 80 3877 0 3799 2 0 2 2 0 8 0 amappl1 72 22374 0 21942 24 15 9 17 0 8 0 amappl 80 1306 0 1258 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 602 0 583 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 602 0 583 1 0 1 1 0 8 0 vmmpekpl 168 7443 0 7413 2 0 2 2 0 8 0 vmmpepl 168 79317 0 77046 146 18 128 135 0 357 29 vmsppl 272 601 0 583 3 1 2 2 0 8 0 pdppl 4096 1210 0 1170 7 1 6 6 0 8 1 pvpl 32 213779 0 194454 177 0 177 177 0 265 0 pmappl 200 601 0 583 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 271 0 32 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(ffff800000ad7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b08a88,ffff800000ad5800,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b348a0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd806b4d90d0,cd604404,ffff800000ac7000,3,fffffd806c3bf960,ffff80001d6a9008) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805d888d28,cd604404,ffff800000ac7000,ffff80001d6a9008) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9008,ffff8000205d2e88,ffff8000205d2ed0) at sys_ioctl+0x4a1 syscall(ffff8000205d2f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1a01350, 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(ffff800000ad7800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b08a88,ffff800000ad5800,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad5800) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000b348a0,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000ac7000,3,ffff80001d6a9008) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd806b4d90d0,cd604404,ffff800000ac7000,3,fffffd806c3bf960,ffff80001d6a9008) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd805d888d28,cd604404,ffff800000ac7000,ffff80001d6a9008) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6a9008,ffff8000205d2e88,ffff8000205d2ed0) at sys_ioctl+0x4a1 syscall(ffff8000205d2f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1a01350, count: -11