uvm_fault(0xfffffd806bc09cc0, 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(0xfffffd806bc09cc0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e5952c0, 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(ffff800000adf9c0,ffff800000afa500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e5954d8) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd806b645af0,80286987,ffff80001e5954c0,ffff80001d6c3128) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c3128,ffff80001e5955d8,ffff80001e595620) at sys_ioctl+0x4a1 syscall(ffff80001e5956a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f167b8eb40, count: -9 ddb> show registers rdi 0xffffffff81b39ef7 pfi_address_add+0x1e7 rsi 0x150 rbp 0xffff80001e595220 rbx 0 rdx 0x151 rcx 0xffff80001d780000 rax 0 r8 0xffffffff81b397b1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x52ba356fd2fee474 r12 0 r13 0x2 r14 0xffff800000654000 r15 0 rip 0xffffffff81b39efb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e5951b0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=446680 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c29d8,0xffffffff82853eb0 process=0xffff80001d6c55d0 user=0xffff80001e590000, vmspace=0xfffffd806bc09cc0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 69917 356030 18254 0 2 0 syz-executor.0 *69917 446680 18254 0 7 0x4000000 syz-executor.0 69325 331063 47253 0 2 0x2 syz-executor.1 18254 308730 47253 0 2 0x482 syz-executor.0 47253 11677 40222 0 3 0x82 kqread syz-fuzzer 47253 85755 40222 0 2 0x4000482 syz-fuzzer 47253 285966 40222 0 3 0x4000082 thrsleep syz-fuzzer 47253 241048 40222 0 3 0x4000082 thrsleep syz-fuzzer 47253 306450 40222 0 3 0x4000082 thrsleep syz-fuzzer 47253 165918 40222 0 2 0x4000482 syz-fuzzer 47253 262713 40222 0 3 0x4000082 thrsleep syz-fuzzer 47253 284639 40222 0 3 0x4000082 thrsleep syz-fuzzer 40222 355401 1329 0 3 0x10008a pause ksh 1329 404104 78228 0 3 0x92 select sshd 99882 174738 1 0 3 0x100083 ttyin getty 78228 116151 1 0 3 0x80 select sshd 47064 480504 61979 73 3 0x100090 kqread syslogd 61979 497653 1 0 3 0x100082 netio syslogd 81813 291696 1 77 3 0x100090 poll dhclient 33000 193813 1 0 3 0x80 poll dhclient 24543 499946 0 0 3 0x14200 bored smr 19133 190866 0 0 2 0x14200 zerothread 346 460206 0 0 3 0x14200 aiodoned aiodoned 68836 389735 0 0 3 0x14200 syncer update 32291 361125 0 0 3 0x14200 cleaner cleaner 63425 518268 0 0 3 0x14200 reaper reaper 15232 469493 0 0 3 0x14200 pgdaemon pagedaemon 16106 390245 0 0 3 0x14200 bored crynlk 86835 323607 0 0 3 0x14200 bored crypto 39795 182810 0 0 3 0x40014200 acpi0 acpi0 87624 153628 0 0 3 0x14200 bored softnet 81548 136996 0 0 3 0x14200 bored systqmp 37541 36111 0 0 3 0x14200 bored systq 55232 211256 0 0 3 0x40014200 bored softclock 5520 91279 0 0 3 0x40014200 idle0 1 448072 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 9473 6333K 6721K 78643K 10888 0 pcb 14 8K 8K 78643K 32 0 rtable 107 4K 4K 78643K 289 0 ifaddr 54 12K 12K 78643K 82 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 25 0 ioctlops 0 0K 4K 78643K 35 0 iov 0 0K 12K 78643K 17 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1381 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 26 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 147 0 sigio 2 0K 0K 78643K 14 0 proc 48 38K 54K 78643K 359 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 1 0 in_multi 32 2K 2K 78643K 53 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 196 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 130 23K 25K 78643K 1195 0 UVM aobj 7 2K 2K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 9 0K 0K 78643K 19 0 temp 82 3855K 3918K 78643K 4542 0 kqueue 3 4K 8K 78643K 7 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 37 0 35 1 0 1 1 0 8 0 rtentry 112 57 0 17 2 0 2 2 0 8 0 unpcb 120 47 0 39 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 139 0 139 2 2 0 1 0 8 0 tcpcb 544 32 0 28 1 0 1 1 0 8 0 inpcb 296 204 0 193 2 0 2 2 0 8 1 rttmr 72 3 0 3 1 0 1 1 0 8 1 nd6 48 9 0 5 1 0 1 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrktable 1344 11 0 9 1 0 1 1 0 8 0 pftag 88 4 0 4 1 0 1 1 0 8 1 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 8 0 4 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 242 0 44 13 0 13 13 0 8 0 art_table 32 243 0 44 2 0 2 2 0 8 0 art_node 16 56 0 19 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 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1570 0 174 88 0 88 88 0 8 0 ffsino 240 1570 0 174 83 0 83 83 0 8 0 nchpl 144 1947 0 345 60 0 60 60 0 8 0 uvmvnodes 72 1761 0 0 33 0 33 33 0 8 0 vnodes 208 1761 0 0 93 0 93 93 0 8 0 namei 1024 4997 0 4996 1 0 1 1 0 8 0 pfiaddrpl 120 4 0 2 1 0 1 1 0 8 0 scxspl 192 6170 0 6170 1 0 1 1 0 8 1 plimitpl 152 17 0 10 1 0 1 1 0 8 0 sigapl 424 333 0 305 4 0 4 4 0 8 0 futexpl 56 2346 0 2346 1 0 1 1 0 8 1 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 144 14 0 12 1 0 1 1 0 8 0 pipepl 272 95 0 85 1 0 1 1 0 8 0 fdescpl 432 319 0 305 2 0 2 2 0 8 0 filepl 120 1751 0 1652 4 0 4 4 0 8 1 lockfpl 104 28 0 27 1 0 1 1 0 8 0 lockfspl 48 11 0 10 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 132 0 125 1 0 1 1 0 8 0 zombiepl 144 305 0 305 1 0 1 1 0 8 1 processpl 928 333 0 305 4 0 4 4 0 8 0 procpl 624 484 0 448 4 0 4 4 0 8 0 sockpl 400 288 0 267 3 0 3 3 0 8 0 mcl64k 65536 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 1 0 1 1 0 8 1 mcl4k 4096 23 0 23 3 2 1 1 0 8 1 mcl2k 2048 94395 0 94351 15 3 12 13 0 8 6 mtagpl 96 12 0 4 2 1 1 1 0 8 0 mbufpl 256 149902 0 149806 10 2 8 8 0 8 1 bufpl 280 3765 0 130 260 0 260 260 0 8 0 anonpl 16 49034 0 31184 77 2 75 75 0 107 0 amapchunkpl 152 1623 0 1477 14 1 13 13 0 158 6 amappl16 192 1675 0 677 51 0 51 51 0 8 0 amappl15 184 62 0 59 1 0 1 1 0 8 0 amappl14 176 24 0 21 1 0 1 1 0 8 0 amappl13 168 34 0 30 1 0 1 1 0 8 0 amappl12 160 2 0 0 1 0 1 1 0 8 0 amappl11 152 42 0 33 1 0 1 1 0 8 0 amappl10 144 67 0 61 1 0 1 1 0 8 0 amappl9 136 21 0 20 1 0 1 1 0 8 0 amappl8 128 340 0 297 2 0 2 2 0 8 0 amappl7 120 159 0 146 1 0 1 1 0 8 0 amappl6 112 31 0 23 1 0 1 1 0 8 0 amappl5 104 961 0 950 1 0 1 1 0 8 0 amappl4 96 419 0 395 1 0 1 1 0 8 0 amappl3 88 108 0 101 1 0 1 1 0 8 0 amappl2 80 1786 0 1721 2 0 2 2 0 8 0 amappl1 72 16164 0 15743 24 14 10 17 0 8 1 amappl 80 716 0 672 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 319 0 305 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 319 0 305 1 0 1 1 0 8 0 vmmpekpl 168 6188 0 6161 2 0 2 2 0 8 0 vmmpepl 168 46894 0 44791 128 10 118 119 0 357 23 vmsppl 272 318 0 305 2 1 1 2 0 8 0 pdppl 4096 644 0 610 6 1 5 6 0 8 0 pvpl 32 157699 0 136875 181 1 180 180 0 265 6 pmappl 200 318 0 305 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 239 0 11 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(ffff800000adf9c0,ffff800000afa500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e5954d8) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd806b645af0,80286987,ffff80001e5954c0,ffff80001d6c3128) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c3128,ffff80001e5955d8,ffff80001e595620) at sys_ioctl+0x4a1 syscall(ffff80001e5956a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f167b8eb40, 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(ffff800000adf9c0,ffff800000afa500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000afa500) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6800,ffff80001e5954d8) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd806b645af0,80286987,ffff80001e5954c0,ffff80001d6c3128) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c3128,ffff80001e5955d8,ffff80001e595620) at sys_ioctl+0x4a1 syscall(ffff80001e5956a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f167b8eb40, count: -9