uvm_fault(0xfffffd80576fb998, 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(0xfffffd80576fb998, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001f855450, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b07480,ffff800000ad8f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001f855668) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8052d727e8,80286987,ffff80001f855650,ffff80001e7bc020) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001e7bc020,ffff80001f855768,ffff80001f8557b0) at sys_ioctl+0x4a1 syscall(ffff80001f855830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6d5e886070, count: -9 ddb> show registers rdi 0xffffffff81fad7b7 pfi_address_add+0x1e7 rsi 0x1341 __ALIGN_SIZE+0x341 rbp 0xffff80001f8553b0 rbx 0 rdx 0x1342 __ALIGN_SIZE+0x342 rcx 0xffff80001d7aa000 rax 0 r8 0xffffffff81fad071 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x8c517e77b75bb763 r12 0x68 r13 0x2 r14 0xffff800000654068 r15 0 rip 0xffffffff81fad7bb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001f855340 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=320375 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff80001e7bc770,0xffffffff827ea6f8 process=0xffff80001e8423d0 user=0xffff80001f850000, vmspace=0xfffffd80576fb998 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 87939 39017 76849 0 2 0 syz-executor.1 *87939 320375 76849 0 7 0x4000000 syz-executor.1 87240 392186 71618 0 2 0 syz-executor.0 87240 21814 71618 0 3 0x4000080 lockf syz-executor.0 76849 398240 31666 0 3 0x82 nanosleep syz-executor.1 23539 86815 0 0 3 0x14280 nfsidl nfsio 33705 362475 0 0 3 0x14280 nfsidl nfsio 62409 108091 0 0 3 0x14280 nfsidl nfsio 35062 493789 0 0 3 0x14280 nfsidl nfsio 32359 379034 0 0 3 0x14280 nfsidl nfsio 11992 53932 0 0 3 0x14280 nfsidl nfsio 47286 24478 0 0 3 0x14280 nfsidl nfsio 6640 325277 0 0 3 0x14280 nfsidl nfsio 42345 216477 0 0 3 0x14280 nfsidl nfsio 12624 241028 0 0 3 0x14280 nfsidl nfsio 13535 468232 0 0 3 0x14280 nfsidl nfsio 93068 344736 0 0 3 0x14280 nfsidl nfsio 21607 461821 0 0 3 0x14280 nfsidl nfsio 88049 294309 0 0 3 0x14280 nfsidl nfsio 82649 443615 0 0 3 0x14280 nfsidl nfsio 64176 185205 0 0 3 0x14280 nfsidl nfsio 34656 299701 0 0 3 0x14280 nfsidl nfsio 9558 172984 0 0 3 0x14280 nfsidl nfsio 99287 307440 0 0 3 0x14280 nfsidl nfsio 29178 64005 0 0 3 0x14280 nfsidl nfsio 13345 239977 1 0 3 0x100083 ttyin getty 71618 469636 31666 0 3 0x82 nanosleep syz-executor.0 38163 179422 0 0 3 0x14200 bored sosplice 10666 504584 0 0 3 0x14200 acct acct 31666 84172 75734 0 3 0x82 thrsleep syz-fuzzer 31666 260969 75734 0 3 0x4000082 nanosleep syz-fuzzer 31666 99410 75734 0 3 0x4000082 thrsleep syz-fuzzer 31666 419319 75734 0 3 0x4000082 thrsleep syz-fuzzer 31666 400972 75734 0 3 0x4000082 thrsleep syz-fuzzer 31666 125077 75734 0 3 0x4000082 kqread syz-fuzzer 31666 676 75734 0 3 0x4000082 thrsleep syz-fuzzer 31666 457458 75734 0 3 0x4000082 thrsleep syz-fuzzer 75734 44260 22653 0 3 0x10008a pause ksh 22653 469047 16901 0 3 0x92 select sshd 16901 274287 1 0 3 0x80 select sshd 82739 385804 67757 73 3 0x100090 kqread syslogd 67757 197901 1 0 3 0x100082 netio syslogd 81670 71197 1 77 3 0x100090 poll dhclient 65258 478353 1 0 3 0x80 poll dhclient 78765 187265 0 0 3 0x14200 bored smr 99090 470071 0 0 2 0x14200 zerothread 96206 177752 0 0 3 0x14200 aiodoned aiodoned 24642 154064 0 0 3 0x14200 syncer update 98397 518454 0 0 3 0x14200 cleaner cleaner 71876 15116 0 0 3 0x14200 reaper reaper 86822 327538 0 0 3 0x14200 pgdaemon pagedaemon 13929 512951 0 0 3 0x14200 bored crynlk 52561 467316 0 0 3 0x14200 bored crypto 3180 183742 0 0 3 0x40014200 acpi0 acpi0 46079 5521 0 0 3 0x14200 bored softnet 12661 430266 0 0 3 0x14200 bored systqmp 16585 360918 0 0 3 0x14200 bored systq 37072 385140 0 0 3 0x40014200 bored softclock 36590 213584 0 0 3 0x40014200 idle0 1 120132 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 9536 6602K 7631K 78643K 13133 0 pcb 14 8K 8K 78643K 74 0 rtable 137 8K 11K 78643K 704 0 ifaddr 83 16K 16K 78643K 241 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 29 0 ioctlops 0 0K 4K 78643K 116 0 iov 0 0K 12K 78643K 62 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1891 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 192 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 664 0 sigio 2 0K 0K 78643K 24 0 proc 53 39K 63K 78643K 502 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 53 0 in_multi 65 3K 3K 78643K 178 0 ether_multi 1 0K 0K 78643K 13 0 mrt 0 0K 0K 78643K 1 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 259 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 151 89K 89K 78643K 2407 0 UVM aobj 17 2K 2K 78643K 22 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 60 0 NDP 13 0K 0K 78643K 41 0 temp 111 3856K 3922K 78643K 19440 0 kqueue 3 4K 12K 78643K 33 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 5 1 0 1 1 0 8 0 rtpcb 80 43 0 41 1 0 1 1 0 8 0 rtentry 112 103 0 55 2 0 2 2 0 8 0 unpcb 120 295 0 283 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 166 0 166 1 1 0 1 0 8 0 tcpcb 544 154 0 150 1 0 1 1 0 8 0 ipq 40 4 0 4 2 2 0 1 0 8 0 ipqe 40 180 0 180 2 2 0 1 0 8 0 inpcb 296 478 0 466 3 1 2 2 0 8 1 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 48 29 0 23 1 0 1 1 0 8 0 ppxss 1136 2 0 2 1 0 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pfrke_plain 160 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 140 0 131 3 1 2 2 0 8 1 pftag 88 31 0 30 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 8 0 6 1 0 1 1 0 8 0 pfstate 328 4 0 3 1 0 1 1 0 8 0 pfrule 1360 34 0 22 2 0 2 2 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 427 0 219 13 0 13 13 0 8 0 art_table 32 429 0 219 2 0 2 2 0 8 0 art_node 16 102 0 58 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 19 1 0 1 1 0 8 0 semapl 112 190 0 180 1 0 1 1 0 8 0 shmpl 112 19 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2223 0 822 88 0 88 88 0 8 0 ffsino 240 2223 0 822 83 0 83 83 0 8 0 nchpl 144 3304 0 1719 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 2867 0 0 53 0 53 53 0 8 0 vnodes 208 2867 0 0 151 0 151 151 0 8 0 namei 1024 9924 0 9924 2 1 1 1 0 8 1 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 528 8 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 50 0 42 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 10302 0 10302 2 1 1 1 0 8 1 plimitpl 152 57 0 50 1 0 1 1 0 8 0 sigapl 424 868 0 817 6 0 6 6 0 8 0 futexpl 56 12955 0 12955 2 1 1 1 0 8 1 knotepl 112 124 0 105 1 0 1 1 0 8 0 kqueuepl 144 77 0 75 1 0 1 1 0 8 0 pipepl 272 153 0 143 1 0 1 1 0 8 0 fdescpl 432 832 0 817 2 0 2 2 0 8 0 filepl 120 4915 0 4814 4 0 4 4 0 8 0 lockfpl 104 159 0 156 1 0 1 1 0 8 0 lockfspl 48 58 0 56 1 0 1 1 0 8 0 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 371 0 363 1 0 1 1 0 8 0 zombiepl 144 817 0 817 2 1 1 1 0 8 1 processpl 928 868 0 817 7 0 7 7 0 8 0 procpl 624 1592 0 1532 6 1 5 6 0 8 0 sosppl 128 6 0 6 2 2 0 1 0 8 0 sockpl 400 816 0 790 5 2 3 4 0 8 0 mcl64k 65536 55 0 55 2 1 1 1 0 8 1 mcl16k 16384 6 0 6 2 1 1 1 0 8 1 mcl12k 12288 24 0 24 2 2 0 1 0 8 0 mcl9k 9216 12 0 12 2 2 0 1 0 8 0 mcl8k 8192 24 0 24 2 1 1 1 0 8 1 mcl4k 4096 67 0 67 3 2 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 93157 0 93109 19 12 7 16 0 8 0 mtagpl 96 363 0 256 8 1 7 7 0 8 0 mbufpl 256 158765 0 158443 63 21 42 42 0 8 1 bufpl 280 5008 0 130 349 0 349 349 0 8 0 anonpl 16 96675 0 83046 87 8 79 85 0 107 0 amapchunkpl 152 4564 0 4393 21 13 8 20 0 158 0 amappl16 192 3724 0 2658 57 2 55 55 0 8 1 amappl15 184 2 0 0 1 0 1 1 0 8 0 amappl14 176 182 0 175 1 0 1 1 0 8 0 amappl13 168 315 0 312 1 0 1 1 0 8 0 amappl12 160 286 0 283 1 0 1 1 0 8 0 amappl11 152 212 0 200 1 0 1 1 0 8 0 amappl10 144 14 0 10 1 0 1 1 0 8 0 amappl9 136 389 0 385 1 0 1 1 0 8 0 amappl8 128 385 0 340 2 0 2 2 0 8 0 amappl7 120 131 0 115 1 0 1 1 0 8 0 amappl6 112 29 0 21 1 0 1 1 0 8 0 amappl5 104 340 0 328 1 0 1 1 0 8 0 amappl4 96 901 0 869 1 0 1 1 0 8 0 amappl3 88 569 0 562 1 0 1 1 0 8 0 amappl2 80 5711 0 5637 2 0 2 2 0 8 0 amappl1 72 27707 0 27270 23 14 9 17 0 8 0 amappl 80 1841 0 1787 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 21 0 5 1 0 1 1 0 8 0 uaddrrnd 24 840 0 817 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 840 0 817 1 0 1 1 0 8 0 vmmpekpl 168 8873 0 8837 2 0 2 2 0 8 0 vmmpepl 168 108553 0 106246 191 52 139 139 0 357 38 vmsppl 272 839 0 817 2 0 2 2 0 8 0 pdppl 4096 1686 0 1642 7 1 6 6 0 8 0 pvpl 32 284412 0 267583 196 13 183 196 0 265 0 pmappl 200 839 0 817 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 308 0 45 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(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b07480,ffff800000ad8f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001f855668) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8052d727e8,80286987,ffff80001f855650,ffff80001e7bc020) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001e7bc020,ffff80001f855768,ffff80001f8557b0) at sys_ioctl+0x4a1 syscall(ffff80001f855830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6d5e886070, 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(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b07480,ffff800000ad8f00,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ad8f00) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001f855668) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd8052d727e8,80286987,ffff80001f855650,ffff80001e7bc020) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001e7bc020,ffff80001f855768,ffff80001f8557b0) at sys_ioctl+0x4a1 syscall(ffff80001f855830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6d5e886070, count: -9