panic: pool_do_get: pfiaddrpl: page empty Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 24555 81379 0 0 0x4000000 0 syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82565899) at panic+0x161 sys/kern/subr_prf.c:202 pool_do_get(ffffffff829c39e8,d,ffff8000299a4e78) at pool_do_get+0x3f3 sys/kern/subr_pool.c:728 pool_get(ffffffff829c39e8,d) at pool_get+0xb3 sys/kern/subr_pool.c:584 pfi_dynaddr_setup(ffff800000c3c818,0) at pfi_dynaddr_setup+0x52 sys/net/pf_if.c:434 pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 sys/net/pf_ioctl.c:1652 VOP_IOCTL(fffffd806e7e7a18,cd60441a,ffff800000bbf000,3,fffffd807f7d8720,ffff80002160f500) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c5fe010,cd60441a,ffff800000bbf000,ffff80002160f500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002160f500,ffff8000299a5398,ffff8000299a53f0) at sys_ioctl+0x49e syscall(ffff8000299a5460) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14f4943f030, count: 4 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: pool_do_get: pfiaddrpl: page empty ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82565899) at panic+0x161 sys/kern/subr_prf.c:202 pool_do_get(ffffffff829c39e8,d,ffff8000299a4e78) at pool_do_get+0x3f3 sys/kern/subr_pool.c:728 pool_get(ffffffff829c39e8,d) at pool_get+0xb3 sys/kern/subr_pool.c:584 pfi_dynaddr_setup(ffff800000c3c818,0) at pfi_dynaddr_setup+0x52 sys/net/pf_if.c:434 pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 sys/net/pf_ioctl.c:1652 VOP_IOCTL(fffffd806e7e7a18,cd60441a,ffff800000bbf000,3,fffffd807f7d8720,ffff80002160f500) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c5fe010,cd60441a,ffff800000bbf000,ffff80002160f500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002160f500,ffff8000299a5398,ffff8000299a53f0) at sys_ioctl+0x49e syscall(ffff8000299a5460) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14f4943f030, count: -11 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff8000299a4d00 rbx 0xfffffd807db7ff90 rdx 0 rcx 0 rax 0xffff80002160f500 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbe2556c36f201698 r11 0xc09a79eb7ea5f5d7 r12 0 r13 0 r14 0 r15 0x1 rip 0xffffffff814d8df8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000299a4cf0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.3) pid=24555 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000230e8d30,0xffffffff82aad110 process=0xffff800021610fb8 user=0xffff8000299a0000, vmspace=0xfffffd806c4bdde0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 81379 203112 41960 0 2 0 syz-executor.3 *81379 24555 41960 0 7 0x4000000 syz-executor.3 82732 460461 62482 0 3 0x80 nanoslp syz-executor.1 82732 92148 62482 0 3 0x4000080 fsleep syz-executor.1 19564 281324 10128 0 3 0x80 nanoslp syz-executor.6 19564 429996 10128 0 3 0x4000080 fsleep syz-executor.6 5587 500005 60871 0 3 0x82 nanoslp syz-executor.2 77995 159761 60871 0 3 0x82 nanoslp syz-executor.7 62482 391102 60871 0 3 0x82 nanoslp syz-executor.1 79204 473657 60871 0 3 0x82 nanoslp syz-executor.0 55552 296258 0 0 3 0x14200 bored sosplice 50363 5364 1 0 3 0x100083 ttyin getty 67024 166285 0 0 3 0x14280 nfsidl nfsio 5847 67914 0 0 3 0x14280 nfsidl nfsio 90410 460450 0 0 3 0x14280 nfsidl nfsio 81695 261891 0 0 3 0x14280 nfsidl nfsio 71714 126109 0 0 3 0x14280 nfsidl nfsio 11279 318579 0 0 3 0x14280 nfsidl nfsio 46878 279977 0 0 3 0x14280 nfsidl nfsio 88381 464182 0 0 3 0x14280 nfsidl nfsio 88231 160931 0 0 3 0x14280 nfsidl nfsio 38061 182352 0 0 3 0x14280 nfsidl nfsio 45651 161360 0 0 3 0x14280 nfsidl nfsio 24103 443955 0 0 3 0x14280 nfsidl nfsio 74482 36484 0 0 3 0x14280 nfsidl nfsio 49478 351126 0 0 3 0x14280 nfsidl nfsio 97593 523412 0 0 3 0x14280 nfsidl nfsio 9842 15101 0 0 3 0x14280 nfsidl nfsio 25427 225354 0 0 3 0x14280 nfsidl nfsio 62457 435783 0 0 3 0x14280 nfsidl nfsio 48937 61240 0 0 3 0x14280 nfsidl nfsio 22638 302559 0 0 3 0x14280 nfsidl nfsio 45479 86586 60871 0 3 0x82 nanoslp syz-executor.5 47109 214755 60871 0 2 0x2 syz-executor.4 10128 266283 60871 0 3 0x82 nanoslp syz-executor.6 41960 405730 60871 0 3 0x82 nanoslp syz-executor.3 60871 217446 90568 0 3 0x82 thrsleep syz-fuzzer 60871 441563 90568 0 3 0x4000082 nanoslp syz-fuzzer 60871 400620 90568 0 3 0x4000082 kqread syz-fuzzer 60871 461734 90568 0 3 0x4000082 thrsleep syz-fuzzer 60871 246619 90568 0 3 0x4000082 thrsleep syz-fuzzer 60871 236316 90568 0 3 0x4000082 thrsleep syz-fuzzer 60871 255776 90568 0 3 0x4000082 thrsleep syz-fuzzer 60871 258348 90568 0 3 0x4000082 thrsleep syz-fuzzer 90568 328833 15112 0 3 0x10008a sigsusp ksh 15112 279236 61420 0 3 0x9a kqread sshd 61420 118960 1 0 3 0x88 kqread sshd 82505 173923 44896 73 3 0x1100090 kqread syslogd 44896 128778 1 0 3 0x100082 netio syslogd 51735 37704 1 0 3 0x100080 kqread resolvd 97392 330942 87771 77 3 0x100092 kqread dhcpleased 66103 402509 87771 77 3 0x100092 kqread dhcpleased 87771 358603 1 0 3 0x80 kqread dhcpleased 45575 476184 0 0 3 0x14200 bored smr 9173 182018 0 0 2 0x14200 zerothread 88407 347219 0 0 3 0x14200 aiodoned aiodoned 66732 212130 0 0 3 0x14200 syncer update 27681 189896 0 0 3 0x14200 cleaner cleaner 12474 52108 0 0 3 0x14200 reaper reaper 71647 176245 0 0 3 0x14200 pgdaemon pagedaemon 11982 237981 0 0 3 0x14200 bored viomb 84297 83675 0 0 3 0x40014200 acpi0 acpi0 3317 197697 0 0 3 0x14200 bored softnet 31056 461201 0 0 3 0x14200 bored systqmp 19419 222356 0 0 3 0x14200 bored systq 16375 384852 0 0 3 0x40014200 bored softclock 62584 90128 0 0 3 0x40014200 idle0 1 92210 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 10164 6415K 7382K 78643K 18109 0 pcb 13 12K 14K 78643K 231 0 rtable 220 7K 10K 78643K 839 0 ifaddr 75 16K 18K 78643K 260 0 counters 26 17K 17K 78643K 53 0 ioctlops 1 4K 4K 78643K 261 0 iov 0 0K 16K 78643K 187 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1394 87K 87K 78643K 3279 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 70 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 85K 78643K 1802 0 sigio 0 0K 0K 78643K 74 0 proc 58 55K 79K 78643K 731 0 subproc 104 6K 6K 78643K 182 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 534 0 in_multi 87 5K 6K 78643K 210 0 ether_multi 1 0K 0K 78643K 20 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 67 307K 307K 78643K 67 0 exec 0 0K 2K 78643K 916 0 tdb 3 0K 0K 78643K 3 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 304 244K 245K 78643K 23038 0 UVM aobj 86 3K 3K 78643K 89 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 1 0K 0K 78643K 201 0 NDP 10 0K 1K 78643K 65 0 temp 136 4737K 4801K 78643K 11559 0 kqueue 13 20K 26K 78643K 168 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 rtpcb 120 132 0 129 2 1 1 2 0 8 0 rtentry 112 216 0 118 4 0 4 4 0 8 0 unpcb 136 848 0 835 12 11 1 6 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 153 0 153 1 1 0 1 0 8 0 tcpcb 736 794 0 785 39 31 8 11 0 8 6 arp 88 31 0 17 1 0 1 1 0 8 0 ipq 40 8 0 8 3 3 0 1 0 8 0 ipqe 40 23 0 23 3 3 0 1 0 8 0 inpcb 312 1640 0 1628 32 26 6 9 0 8 5 nd6 48 44 0 21 1 0 1 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1152 14 0 14 2 2 0 1 0 8 0 pfrktable 1344 59 0 58 5 4 1 1 0 8 0 pftag 88 7 0 6 2 1 1 1 0 8 0 pfrule 1360 25 0 24 6 5 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 956 0 529 34 7 27 29 0 8 0 art_table 32 957 0 529 4 0 4 4 0 8 0 art_node 16 215 0 127 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 68 0 58 1 0 1 1 0 8 0 shmpl 112 86 0 3 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3769 0 2337 90 0 90 90 0 8 0 ffsino 240 3769 0 2337 85 0 85 85 0 8 0 nchpl 144 6274 0 4642 62 0 62 62 0 8 0 uvmvnodes 80 5538 0 0 114 0 114 114 0 8 0 vnodes 224 5538 0 0 326 0 326 326 0 8 0 namei 1024 23836 0 23836 2 1 1 2 0 8 1 vcpupl 1984 13 0 1 2 0 2 2 0 8 0 vmpool 528 17 0 5 1 0 1 1 0 8 0 pfiaddrpl 120 15 0 15 4 3 1 1 0 8 1 pfiaddrpl: pool(0xffffffff829c39e8:pfiaddrpl): page inconsistency: page 0x0; at page head addr 0xfffffd807db7ff90 (p 0xfffffd807db7f000) scxspl 216 17617 0 17617 12 11 1 8 0 8 1 plimitpl 152 169 0 154 1 0 1 1 0 8 0 sigapl 424 2089 0 2027 8 0 8 8 0 8 0 futexpl 64 18304 0 18302 1 0 1 1 0 8 0 knotepl 120 23638 0 23422 16 9 7 7 0 8 0 kqueuepl 184 606 0 597 9 8 1 6 0 8 0 pipepl 304 518 0 490 13 10 3 8 0 8 0 fdescpl 432 2055 0 2031 4 0 4 4 0 8 0 filepl 120 14597 0 14357 32 22 10 16 0 8 1 lockfpl 104 2017 0 2015 7 6 1 2 0 8 0 lockfspl 48 969 0 967 1 0 1 1 0 8 0 sessionpl 144 31 0 15 1 0 1 1 0 8 0 pgrppl 48 60 0 44 1 0 1 1 0 8 0 ucredpl 96 1643 0 1633 1 0 1 1 0 8 0 zombiepl 144 2031 0 2027 1 0 1 1 0 8 0 processpl 1000 2089 0 2027 8 0 8 8 0 8 0 procpl 672 4552 0 4480 12 4 8 8 0 8 1 sosppl 168 8 0 8 2 1 1 1 0 8 1 sockpl 448 2624 0 2596 57 46 11 18 0 8 7 mcl64k 65536 62 0 62 5 4 1 1 0 8 1 mcl16k 16384 26 0 26 6 5 1 1 0 8 1 mcl12k 12288 44 0 44 5 5 0 1 0 8 0 mcl9k 9216 135 0 135 6 5 1 1 0 8 1 mcl8k 8192 93 0 93 5 4 1 1 0 8 1 mcl4k 4096 232 0 232 3 2 1 1 0 8 1 mcl2k2 2112 15 0 15 5 4 1 1 0 8 1 mcl2k 2048 79989 0 79798 40 13 27 34 0 8 0 mtagpl 96 1581 0 891 23 2 21 22 0 8 0 mbufpl 256 140511 0 139625 78 13 65 78 0 8 0 bufpl 288 6334 0 151 442 0 442 442 0 8 0 anonpl 24 564518 0 547291 166 40 126 142 0 188 0 amapchunkpl 152 57444 0 56761 49 12 37 48 0 158 0 amappl16 200 7652 0 6952 63 24 39 49 0 8 0 amappl15 192 496 0 488 1 0 1 1 0 8 0 amappl14 184 51 0 49 2 1 1 1 0 8 0 amappl13 176 577 0 572 1 0 1 1 0 8 0 amappl12 168 16 0 15 3 2 1 1 0 8 0 amappl11 160 251 0 239 1 0 1 1 0 8 0 amappl10 152 396 0 392 1 0 1 1 0 8 0 amappl9 144 666 0 664 1 0 1 1 0 8 0 amappl8 136 717 0 655 3 0 3 3 0 8 0 amappl7 128 157 0 146 1 0 1 1 0 8 0 amappl6 120 405 0 383 2 1 1 2 0 8 0 amappl5 112 1728 0 1712 1 0 1 1 0 8 0 amappl4 104 1245 0 1211 2 0 2 2 0 8 0 amappl3 96 714 0 701 1 0 1 1 0 8 0 amappl2 88 1086 0 1039 3 1 2 3 0 8 0 amappl1 80 39247 0 38731 19 6 13 18 0 8 0 amappl 88 22420 0 22213 7 1 6 7 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 88 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2072 0 2036 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2072 0 2036 1 0 1 1 0 8 0 vmmpekpl 168 18646 0 18591 3 0 3 3 0 8 0 vmmpepl 168 193298 0 190961 210 79 131 187 0 357 13 vmsppl 272 2071 0 2036 4 1 3 3 0 8 0 rwobjpl 24 53571 0 46345 45 0 45 45 0 8 0 pdppl 4096 4150 0 4084 196 121 75 76 0 8 9 pvpl 32 1035538 0 1014362 272 73 199 242 0 265 0 pmappl 216 2071 0 2036 3 0 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1131 0 281 25 0 25 25 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82565899) at panic+0x161 sys/kern/subr_prf.c:202 pool_do_get(ffffffff829c39e8,d,ffff8000299a4e78) at pool_do_get+0x3f3 sys/kern/subr_pool.c:728 pool_get(ffffffff829c39e8,d) at pool_get+0xb3 sys/kern/subr_pool.c:584 pfi_dynaddr_setup(ffff800000c3c818,0) at pfi_dynaddr_setup+0x52 sys/net/pf_if.c:434 pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 sys/net/pf_ioctl.c:1652 VOP_IOCTL(fffffd806e7e7a18,cd60441a,ffff800000bbf000,3,fffffd807f7d8720,ffff80002160f500) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c5fe010,cd60441a,ffff800000bbf000,ffff80002160f500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002160f500,ffff8000299a5398,ffff8000299a53f0) at sys_ioctl+0x49e syscall(ffff8000299a5460) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14f4943f030, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82565899) at panic+0x161 sys/kern/subr_prf.c:202 pool_do_get(ffffffff829c39e8,d,ffff8000299a4e78) at pool_do_get+0x3f3 sys/kern/subr_pool.c:728 pool_get(ffffffff829c39e8,d) at pool_get+0xb3 sys/kern/subr_pool.c:584 pfi_dynaddr_setup(ffff800000c3c818,0) at pfi_dynaddr_setup+0x52 sys/net/pf_if.c:434 pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd60441a,ffff800000bbf000,3,ffff80002160f500) at pfioctl+0x8e08 sys/net/pf_ioctl.c:1652 VOP_IOCTL(fffffd806e7e7a18,cd60441a,ffff800000bbf000,3,fffffd807f7d8720,ffff80002160f500) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c5fe010,cd60441a,ffff800000bbf000,ffff80002160f500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002160f500,ffff8000299a5398,ffff8000299a53f0) at sys_ioctl+0x49e syscall(ffff8000299a5460) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x14f4943f030, count: -11