uvm_fault(0xfffffd806bc09330, 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(0xfffffd806bc09330, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e7a3720, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ae6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000af1f80,ffff800000ae7200,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ae6000,ffff80001e7a3938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067317960,80286987,ffff80001e7a3920,ffff80001d796020) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d796020,ffff80001e7a3a38,ffff80001e7a3a80) at sys_ioctl+0x4a1 syscall(ffff80001e7a3b00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eae86d5de0, count: -9 ddb> show registers rdi 0xffffffff81423007 pfi_address_add+0x1e7 rsi 0x13e rbp 0xffff80001e7a3680 rbx 0 rdx 0x13f rcx 0xffff80002099e000 rax 0 r8 0xffffffff814228c1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xf1c76642394ff66c r12 0x68 r13 0x2 r14 0xffff800000654068 r15 0 rip 0xffffffff8142300b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7a3610 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=262887 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80001d796770,0xffffffff8284eb50 process=0xffff80001e7a5250 user=0xffff80001e79e000, vmspace=0xfffffd806bc09330 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 1124 363953 38898 0 2 0 syz-executor.0 * 1124 262887 38898 0 7 0x4000000 syz-executor.0 77831 313911 0 0 3 0x14280 nfsidl nfsio 20918 195604 0 0 3 0x14280 nfsidl nfsio 73153 330383 0 0 3 0x14280 nfsidl nfsio 40302 145274 0 0 3 0x14280 nfsidl nfsio 46663 93617 0 0 3 0x14280 nfsidl nfsio 41424 284371 0 0 3 0x14280 nfsidl nfsio 35098 47582 0 0 3 0x14280 nfsidl nfsio 87220 355650 0 0 3 0x14280 nfsidl nfsio 65776 42102 0 0 3 0x14280 nfsidl nfsio 86970 240278 0 0 3 0x14280 nfsidl nfsio 59957 376411 0 0 3 0x14280 nfsidl nfsio 92415 497428 0 0 3 0x14280 nfsidl nfsio 78216 470126 0 0 3 0x14280 nfsidl nfsio 41029 289895 0 0 3 0x14280 nfsidl nfsio 30031 337111 0 0 3 0x14280 nfsidl nfsio 94297 50365 0 0 3 0x14280 nfsidl nfsio 74326 185842 0 0 3 0x14280 nfsidl nfsio 5172 168303 0 0 3 0x14280 nfsidl nfsio 92292 383499 0 0 3 0x14280 nfsidl nfsio 68975 86710 0 0 3 0x14280 nfsidl nfsio 38898 315696 96313 0 3 0x82 nanosleep syz-executor.0 71970 208903 0 0 3 0x14200 bored sosplice 21808 281053 0 0 3 0x14200 acct acct 18978 364848 96313 0 3 0x82 piperd syz-executor.1 96313 52514 54169 0 3 0x82 thrsleep syz-fuzzer 96313 37183 54169 0 3 0x4000082 nanosleep syz-fuzzer 96313 432777 54169 0 2 0x4000002 syz-fuzzer 96313 501391 54169 0 3 0x4000082 thrsleep syz-fuzzer 96313 90148 54169 0 3 0x4000082 thrsleep syz-fuzzer 96313 86932 54169 0 3 0x4000082 thrsleep syz-fuzzer 96313 205939 54169 0 3 0x4000082 thrsleep syz-fuzzer 96313 375437 54169 0 3 0x4000082 thrsleep syz-fuzzer 54169 476425 97142 0 3 0x10008a pause ksh 97142 101485 43318 0 3 0x92 select sshd 22571 158290 1 0 3 0x100083 ttyin getty 43318 271782 1 0 3 0x80 select sshd 23167 50667 30546 73 2 0x100090 syslogd 30546 255882 1 0 3 0x100082 netio syslogd 69169 123471 1 77 3 0x100090 poll dhclient 23940 7224 1 0 3 0x80 poll dhclient 97422 398180 0 0 3 0x14200 bored smr 46657 435067 0 0 2 0x14200 zerothread 21252 17350 0 0 3 0x14200 aiodoned aiodoned 69869 448899 0 0 3 0x14200 syncer update 94836 409677 0 0 3 0x14200 cleaner cleaner 11175 342911 0 0 3 0x14200 reaper reaper 41360 455305 0 0 3 0x14200 pgdaemon pagedaemon 47751 268009 0 0 3 0x14200 bored crynlk 63121 337411 0 0 3 0x14200 bored crypto 41083 463802 0 0 3 0x40014200 acpi0 acpi0 93275 401635 0 0 3 0x14200 bored softnet 84478 296864 0 0 3 0x14200 bored systqmp 40944 283288 0 0 3 0x14200 bored systq 32911 336801 0 0 3 0x40014200 bored softclock 36744 373566 0 0 3 0x40014200 idle0 1 427073 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 9513 6358K 6732K 78643K 12007 0 pcb 13 8K 8K 78643K 168 0 rtable 127 6K 9K 78643K 751 0 ifaddr 82 16K 17K 78643K 258 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 41 0 ioctlops 0 0K 4K 78643K 649 0 iov 0 0K 16K 78643K 141 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 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 21 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 240 0 dirhash 9 1K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 1558 0 sigio 0 0K 0K 78643K 81 0 proc 50 38K 55K 78643K 618 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 92 0 in_multi 73 4K 4K 78643K 258 0 ether_multi 1 0K 0K 78643K 32 0 mrt 0 0K 0K 78643K 16 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 326 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 148 137K 137K 78643K 4353 0 UVM aobj 59 4K 4K 78643K 71 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 143 0 NDP 13 0K 0K 78643K 60 0 temp 139 3860K 3944K 78643K 20976 0 kqueue 3 4K 22K 78643K 77 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 18 0 9 1 0 1 1 0 8 0 rtpcb 80 103 0 101 1 0 1 1 0 8 0 rtentry 112 154 0 106 2 0 2 2 0 8 0 unpcb 120 612 0 604 1 0 1 1 0 8 0 syncache 264 9 0 9 4 3 1 1 0 8 1 tcpqe 32 50 0 50 2 1 1 1 0 8 1 tcpcb 544 319 0 315 1 0 1 1 0 8 0 ipq 40 7 0 7 3 3 0 1 0 8 0 ipqe 40 18 0 18 3 3 0 1 0 8 0 inpcb 296 927 0 915 10 8 2 2 0 8 1 rttmr 72 3 0 3 2 2 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 36 0 31 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1136 5 0 5 4 3 1 1 0 8 1 pfstscr 40 4 0 2 1 0 1 1 0 8 0 pfrke_plain 160 5 0 4 1 0 1 1 0 8 0 pfrktable 1344 47 0 43 2 1 1 2 0 8 0 pftag 88 9 0 8 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 13 0 6 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 649 0 433 18 1 17 17 0 8 1 art_table 32 651 0 433 3 0 3 3 0 8 0 art_node 16 151 0 106 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 11 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 236 0 226 1 0 1 1 0 8 0 shmpl 112 68 0 12 2 0 2 2 0 8 0 dirhash 1024 17 0 10 3 1 2 3 0 8 0 dino2pl 256 3390 0 1996 88 0 88 88 0 8 0 ffsino 240 3390 0 1996 83 0 83 83 0 8 0 nchpl 144 6807 0 5230 60 0 60 60 0 8 0 rtmask 32 10 0 9 1 0 1 1 0 8 0 uvmvnodes 72 3765 0 0 69 0 69 69 0 8 0 vnodes 208 3765 0 0 199 0 199 199 0 8 0 namei 1024 18477 0 18477 3 2 1 1 0 8 1 vcpupl 1984 14 0 0 2 0 2 2 0 8 0 vmpool 528 21 0 7 2 1 1 2 0 8 0 pfiaddrpl 120 17 0 12 1 0 1 1 0 8 0 scsiplug 64 3 0 3 2 2 0 1 0 8 0 scxspl 192 16660 0 16660 7 6 1 1 0 8 1 plimitpl 152 87 0 80 1 0 1 1 0 8 0 sigapl 424 1757 0 1707 6 0 6 6 0 8 0 futexpl 56 26823 0 26823 3 2 1 1 0 8 1 knotepl 112 229 0 210 2 1 1 2 0 8 0 kqueuepl 144 158 0 156 1 0 1 1 0 8 0 pipepl 272 253 0 243 3 2 1 2 0 8 0 fdescpl 432 1721 0 1707 2 0 2 2 0 8 0 filepl 120 10419 0 10322 6 2 4 4 0 8 1 lockfpl 104 256 0 255 1 0 1 1 0 8 0 lockfspl 48 85 0 84 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 838 0 831 1 0 1 1 0 8 0 zombiepl 144 1707 0 1707 3 2 1 1 0 8 1 processpl 928 1757 0 1707 7 0 7 7 0 8 0 procpl 624 3491 0 3433 5 0 5 5 0 8 0 sosppl 128 5 0 5 2 2 0 1 0 8 0 sockpl 400 1650 0 1631 10 7 3 4 0 8 1 mcl64k 65536 50 0 50 12 12 0 1 0 8 0 mcl16k 16384 9 0 9 5 5 0 1 0 8 0 mcl12k 12288 37 0 37 13 13 0 1 0 8 0 mcl9k 9216 20 0 20 8 8 0 1 0 8 0 mcl8k 8192 47 0 47 13 12 1 1 0 8 1 mcl4k 4096 146 0 146 9 8 1 1 0 8 1 mcl2k2 2112 6 0 6 6 6 0 1 0 8 0 mcl2k 2048 95399 0 95349 22 15 7 13 0 8 0 mtagpl 96 123 0 83 4 3 1 2 0 8 0 mbufpl 256 159783 0 159542 47 19 28 28 0 8 3 bufpl 280 6058 0 706 383 0 383 383 0 8 0 anonpl 16 170287 0 153377 116 45 71 85 0 107 0 amapchunkpl 152 6978 0 6845 23 17 6 11 0 158 0 amappl16 192 7694 0 6701 84 34 50 62 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 346 0 342 1 0 1 1 0 8 0 amappl13 168 286 0 281 1 0 1 1 0 8 0 amappl12 160 253 0 248 1 0 1 1 0 8 0 amappl11 152 376 0 366 1 0 1 1 0 8 0 amappl10 144 10 0 6 1 0 1 1 0 8 0 amappl9 136 1064 0 1063 1 0 1 1 0 8 0 amappl8 128 393 0 347 2 0 2 2 0 8 0 amappl7 120 136 0 121 1 0 1 1 0 8 0 amappl6 112 355 0 346 1 0 1 1 0 8 0 amappl5 104 1331 0 1317 1 0 1 1 0 8 0 amappl4 96 803 0 775 1 0 1 1 0 8 0 amappl3 88 160 0 155 1 0 1 1 0 8 0 amappl2 80 12811 0 12740 2 0 2 2 0 8 0 amappl1 72 47609 0 47200 23 13 10 17 0 8 0 amappl 80 3751 0 3700 4 2 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 70 0 12 1 0 1 1 0 8 0 uaddrrnd 24 1742 0 1714 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1742 0 1714 1 0 1 1 0 8 0 vmmpekpl 168 13703 0 13663 2 0 2 2 0 8 0 vmmpepl 168 210606 0 208490 223 128 95 131 0 357 0 vmsppl 272 1741 0 1714 2 0 2 2 0 8 0 pdppl 4096 3490 0 3442 11 4 7 7 0 8 0 pvpl 32 462881 0 442854 268 102 166 199 0 265 0 pmappl 200 1741 0 1714 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 340 0 90 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(ffff800000ae6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000af1f80,ffff800000ae7200,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ae6000,ffff80001e7a3938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067317960,80286987,ffff80001e7a3920,ffff80001d796020) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d796020,ffff80001e7a3a38,ffff80001e7a3a80) at sys_ioctl+0x4a1 syscall(ffff80001e7a3b00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eae86d5de0, 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(ffff800000ae6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000af1f80,ffff800000ae7200,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae7200) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ae6000,ffff80001e7a3938) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd8067317960,80286987,ffff80001e7a3920,ffff80001d796020) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d796020,ffff80001e7a3a38,ffff80001e7a3a80) at sys_ioctl+0x4a1 syscall(ffff80001e7a3b00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eae86d5de0, count: -9