uvm_fault(0xfffffd805ec17ef0, 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(0xfffffd805ec17ef0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e7a3010, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000aee000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0a4d0,ffff800000af2700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000aee000,ffff80001e7a3228) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80664eb640,80286987,ffff80001e7a3210,ffff80001d77f880) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d77f880,ffff80001e7a3328,ffff80001e7a3370) at sys_ioctl+0x4a1 syscall(ffff80001e7a33f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1fcb0bdfbb0, count: -9 ddb> show registers rdi 0xffffffff815218d7 pfi_address_add+0x1e7 rsi 0x178 rbp 0xffff80001e7a2f70 rbx 0 rdx 0x179 rcx 0xffff8000209a4000 rax 0 r8 0xffffffff81521191 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x48a8aea3e6f1a16d r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff815218db pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7a2f00 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=252025 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff80001d77e770,0xffffffff8283e8c8 process=0xffff80001d796030 user=0xffff80001e79e000, vmspace=0xfffffd805ec17ef0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 26166 35209 96931 0 2 0 syz-executor.1 *26166 252025 96931 0 7 0x4000000 syz-executor.1 96931 7477 59056 0 3 0x82 nanosleep syz-executor.1 44832 452243 0 0 3 0x14200 acct acct 12436 403940 0 0 3 0x14280 nfsidl nfsio 19823 225968 0 0 3 0x14280 nfsidl nfsio 79532 119643 0 0 3 0x14280 nfsidl nfsio 70568 387327 0 0 3 0x14280 nfsidl nfsio 18333 84267 0 0 3 0x14280 nfsidl nfsio 80332 38089 0 0 3 0x14280 nfsidl nfsio 46514 281168 0 0 3 0x14280 nfsidl nfsio 70571 240364 0 0 3 0x14280 nfsidl nfsio 75248 289702 0 0 3 0x14280 nfsidl nfsio 4306 246059 0 0 3 0x14280 nfsidl nfsio 1028 362435 0 0 3 0x14280 nfsidl nfsio 82106 218456 0 0 3 0x14280 nfsidl nfsio 218 299210 0 0 3 0x14280 nfsidl nfsio 82732 273801 0 0 3 0x14280 nfsidl nfsio 90237 244484 0 0 3 0x14280 nfsidl nfsio 1988 268209 0 0 3 0x14280 nfsidl nfsio 51591 47544 0 0 3 0x14280 nfsidl nfsio 58393 511554 0 0 3 0x14280 nfsidl nfsio 48738 265393 0 0 3 0x14280 nfsidl nfsio 70030 84318 0 0 3 0x14280 nfsidl nfsio 35379 30251 0 0 3 0x14200 bored sosplice 24947 277962 59056 0 3 0x82 piperd syz-executor.0 59056 85995 9486 0 3 0x82 thrsleep syz-fuzzer 59056 290647 9486 0 3 0x4000082 nanosleep syz-fuzzer 59056 419311 9486 0 3 0x4000082 thrsleep syz-fuzzer 59056 249049 9486 0 3 0x4000082 thrsleep syz-fuzzer 59056 165285 9486 0 3 0x4000082 thrsleep syz-fuzzer 59056 14160 9486 0 2 0x4000002 syz-fuzzer 59056 443178 9486 0 3 0x4000082 thrsleep syz-fuzzer 59056 4592 9486 0 3 0x4000082 thrsleep syz-fuzzer 9486 396767 12632 0 3 0x10008a pause ksh 12632 42262 83036 0 3 0x92 select sshd 80791 69981 1 0 3 0x100083 ttyin getty 83036 26134 1 0 3 0x80 select sshd 1328 418676 21668 73 3 0x100090 kqread syslogd 21668 205266 1 0 3 0x100082 netio syslogd 35994 123392 1 77 3 0x100090 poll dhclient 88423 23146 1 0 3 0x80 poll dhclient 86508 334884 0 0 3 0x14200 bored smr 69031 391483 0 0 2 0x14200 zerothread 16454 493090 0 0 3 0x14200 aiodoned aiodoned 94749 385300 0 0 3 0x14200 syncer update 8704 452905 0 0 3 0x14200 cleaner cleaner 85242 183713 0 0 3 0x14200 reaper reaper 38071 203387 0 0 3 0x14200 pgdaemon pagedaemon 74135 307569 0 0 3 0x14200 bored crynlk 27382 297083 0 0 3 0x14200 bored crypto 66038 253318 0 0 3 0x40014200 acpi0 acpi0 67945 6906 0 0 3 0x14200 bored softnet 67810 73405 0 0 3 0x14200 bored systqmp 60610 115021 0 0 3 0x14200 bored systq 85274 428702 0 0 3 0x40014200 bored softclock 38074 433663 0 0 3 0x40014200 idle0 1 447188 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 6355K 6723K 78643K 11242 0 pcb 14 8K 8K 78643K 484 0 rtable 112 6K 10K 78643K 1165 0 ifaddr 73 16K 17K 78643K 213 0 counters 21 16K 16K 78643K 31 0 ioctlops 0 0K 4K 78643K 104 0 iov 0 0K 32K 78643K 56 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1468 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 152 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 696 0 sigio 0 0K 0K 78643K 18 0 proc 52 38K 63K 78643K 516 0 subproc 32 2K 2K 78643K 87 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 49 0 in_multi 74 3K 3K 78643K 173 0 ether_multi 1 0K 0K 78643K 17 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 272 0 pfkey data 0 0K 0K 78643K 2 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 126 55K 55K 78643K 2471 0 UVM aobj 35 7K 7K 78643K 37 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 92 0 NDP 9 0K 0K 78643K 35 0 temp 97 3855K 3935K 78643K 12524 0 kqueue 3 4K 12K 78643K 18 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 14 0 6 1 0 1 1 0 8 0 rtpcb 80 627 0 625 1 0 1 1 0 8 0 rtentry 112 95 0 55 2 0 2 2 0 8 0 unpcb 120 445 0 437 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 482 0 482 1 1 0 1 0 8 0 tcpcb 544 176 0 172 1 0 1 1 0 8 0 ipq 40 38 0 38 2 1 1 1 0 8 1 ipqe 40 156 0 156 2 1 1 1 0 8 1 inpcb 296 933 0 921 4 2 2 2 0 8 1 nd6 48 25 0 19 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfrktable 1344 122 0 116 5 3 2 2 0 8 1 pftag 88 25 0 24 2 1 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 6 0 4 1 0 1 1 0 8 0 pfstate 328 3 0 2 1 0 1 1 0 8 0 pfrule 1360 34 0 22 4 2 2 2 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 401 0 233 16 5 11 16 0 8 0 art_table 32 403 0 233 3 1 2 3 0 8 0 art_node 16 94 0 60 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 1 0 1 0 8 0 semapl 112 146 0 136 1 0 1 1 0 8 0 shmpl 112 34 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2213 0 812 88 0 88 88 0 8 0 ffsino 240 2213 0 812 83 0 83 83 0 8 0 nchpl 144 3369 0 1787 60 0 60 60 0 8 0 uvmvnodes 72 2450 0 0 45 0 45 45 0 8 0 vnodes 208 2450 0 0 129 0 129 129 0 8 0 namei 1024 9171 0 9171 4 3 1 1 0 8 1 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 528 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 36 0 32 2 1 1 1 0 8 0 scxspl 192 9865 0 9865 2 1 1 1 0 8 1 plimitpl 152 61 0 54 1 0 1 1 0 8 0 sigapl 424 895 0 845 6 0 6 6 0 8 0 futexpl 56 12936 0 12936 3 2 1 1 0 8 1 knotepl 112 120 0 101 1 0 1 1 0 8 0 kqueuepl 144 72 0 69 1 0 1 1 0 8 0 pipepl 272 158 0 148 1 0 1 1 0 8 0 fdescpl 432 859 0 845 2 0 2 2 0 8 0 filepl 120 5167 0 5069 5 1 4 4 0 8 1 lockfpl 104 159 0 158 1 0 1 1 0 8 0 lockfspl 48 53 0 52 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 96 418 0 411 1 0 1 1 0 8 0 zombiepl 144 845 0 845 2 1 1 1 0 8 1 processpl 928 895 0 845 7 0 7 7 0 8 0 procpl 624 1635 0 1577 5 0 5 5 0 8 0 sosppl 128 4 0 4 2 2 0 1 0 8 0 sockpl 400 2023 0 2003 9 5 4 4 0 8 2 mcl64k 65536 32 0 32 4 3 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 16 0 16 4 3 1 1 0 8 1 mcl9k 9216 10 0 10 3 2 1 1 0 8 1 mcl8k 8192 25 0 25 5 4 1 1 0 8 1 mcl4k 4096 87 0 87 4 3 1 1 0 8 1 mcl2k2 2112 5 0 5 3 3 0 1 0 8 0 mcl2k 2048 90899 0 90839 27 19 8 19 0 8 0 mtagpl 96 51 0 35 2 1 1 1 0 8 0 mbufpl 256 152788 0 152514 141 116 25 115 0 8 7 bufpl 280 4465 0 129 310 0 310 310 0 8 0 anonpl 16 120787 0 104607 108 36 72 86 0 107 3 amapchunkpl 152 4962 0 4833 32 25 7 19 0 158 1 amappl16 192 4694 0 3751 83 34 49 60 0 8 1 amappl15 184 353 0 348 1 0 1 1 0 8 0 amappl14 176 56 0 51 1 0 1 1 0 8 0 amappl13 168 142 0 139 1 0 1 1 0 8 0 amappl12 160 246 0 243 1 0 1 1 0 8 0 amappl11 152 61 0 52 1 0 1 1 0 8 0 amappl10 144 50 0 42 1 0 1 1 0 8 0 amappl9 136 377 0 376 1 0 1 1 0 8 0 amappl8 128 400 0 360 2 0 2 2 0 8 0 amappl7 120 126 0 114 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 927 0 915 1 0 1 1 0 8 0 amappl4 96 462 0 436 1 0 1 1 0 8 0 amappl3 88 157 0 152 1 0 1 1 0 8 0 amappl2 80 6290 0 6222 2 0 2 2 0 8 0 amappl1 72 28679 0 28257 23 14 9 17 0 8 0 amappl 80 1895 0 1852 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 36 0 2 1 0 1 1 0 8 0 uaddrrnd 24 862 0 845 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 862 0 845 1 0 1 1 0 8 0 vmmpekpl 168 8615 0 8583 3 1 2 2 0 8 0 vmmpepl 168 113611 0 111565 175 49 126 126 0 357 35 vmsppl 272 861 0 845 3 1 2 2 0 8 0 pdppl 4096 1730 0 1693 6 1 5 6 0 8 0 pvpl 32 314940 0 295656 234 61 173 200 0 265 9 pmappl 200 861 0 845 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 409 0 165 11 3 8 10 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(ffff800000aee000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0a4d0,ffff800000af2700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000aee000,ffff80001e7a3228) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80664eb640,80286987,ffff80001e7a3210,ffff80001d77f880) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d77f880,ffff80001e7a3328,ffff80001e7a3370) at sys_ioctl+0x4a1 syscall(ffff80001e7a33f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1fcb0bdfbb0, 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(ffff800000aee000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0a4d0,ffff800000af2700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af2700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000aee000,ffff80001e7a3228) at if_addgroup+0x280 sys/net/if.c:2736 ifioctl(fffffd80664eb640,80286987,ffff80001e7a3210,ffff80001d77f880) at ifioctl+0x13e7 sys/net/if.c:2148 sys_ioctl(ffff80001d77f880,ffff80001e7a3328,ffff80001e7a3370) at sys_ioctl+0x4a1 syscall(ffff80001e7a33f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1fcb0bdfbb0, count: -9