kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83abe198,ffff80000164e840) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000164ecd0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff800001668780,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83abe630,ffff800001668780,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd604404,ffff800000c73000,2,ffff80002d8b1a08) at pfioctl+0xa370 sys/net/pf_ioctl.c:2382 VOP_IOCTL(fffffa007d353c08,cd604404,ffff800000c73000,2,fffffa0007ffd478,ffff80002d8b1a08) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006cfc4710,cd604404,ffff800000c73000,ffff80002d8b1a08) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002d8b1a08,ffff800035cc3d00,ffff800035cc3c50) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800035cc3d00) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800035cc3d00) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44056379240, count: -10 ddb> show registers rdi 0xffff80002cca4000 rsi 0x95b rbp 0xffff800035cc36d0 rbx 0xffffffff83abe198 pf_anchors rdx 0xffff80002cca4000 rcx 0x95a rax 0xffffffff8241d83f pf_anchor_global_RB_REMOVE+0x2f r8 0x3fc r9 0x8080808080808080 r10 0xd003a4e08b6f1170 r11 0x8cf7ae27df441ad0 r12 0x63d08ff0b1b25bce r13 0x1 r14 0xffff80000164e840 r15 0x3df97957bc44d9b0 rip 0xffffffff8241d891 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800035cc3680 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> show proc PROC (syz-executor) tid=504836 pid=41933 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002d8b0018,0xffffffff83abec58 process=0xffff8000ffff4018 user=0xffff800035cbe000, vmspace=0xfffffa006caaf2f0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 41933 261326 59309 0 2 0 syz-executor *41933 504836 59309 0 7 0x4000000 syz-executor 38420 274908 43615 0 3 0x80 nanoslp syz-executor 38420 202482 43615 0 3 0x4000080 kqsel syz-executor 35924 396547 5254 -1 3 0x90 nanoslp syz-executor 35924 230672 5254 -1 3 0x4000090 msgwait syz-executor 35924 325361 5254 -1 3 0x4000090 fsleep syz-executor 15521 227316 69574 60929 3 0x90 nanoslp syz-executor 15521 274396 69574 60929 3 0x4000090 kqsel syz-executor 15521 128994 69574 60929 3 0x4000090 fsleep syz-executor 24936 201292 95560 0 3 0x80 nanoslp syz-executor 24936 504402 95560 0 3 0x4000080 msgwait syz-executor 24936 174726 95560 0 3 0x4000080 msgwait syz-executor 24936 254304 95560 0 3 0x4000080 kqsel syz-executor 24936 520565 95560 0 3 0x4000080 fsleep syz-executor 38340 361636 34333 0 3 0x81 nanoslp syz-executor 38340 464881 34333 0 3 0x4000081 ttyin syz-executor 38340 108476 34333 0 3 0x4000081 fsleep syz-executor 38340 85721 34333 0 3 0x4000081 fsleep syz-executor 78253 124850 92476 0 2 0x2 syz-executor 94962 143696 0 0 3 0x14280 nfsidl nfsio 90773 345008 0 0 3 0x14280 nfsidl nfsio 31705 459744 0 0 3 0x14280 nfsidl nfsio 23091 301319 0 0 3 0x14280 nfsidl nfsio 11599 66229 0 0 3 0x14280 nfsidl nfsio 27837 71209 0 0 3 0x14280 nfsidl nfsio 23186 110450 0 0 3 0x14280 nfsidl nfsio 22616 412666 0 0 3 0x14280 nfsidl nfsio 64288 10373 0 0 3 0x14280 nfsidl nfsio 26082 366144 0 0 3 0x14280 nfsidl nfsio 73862 123423 0 0 3 0x14280 nfsidl nfsio 44733 294648 0 0 3 0x14280 nfsidl nfsio 47118 167268 0 0 3 0x14280 nfsidl nfsio 16037 436606 0 0 3 0x14280 nfsidl nfsio 37377 415046 0 0 3 0x14280 nfsidl nfsio 87353 418129 0 0 3 0x14280 nfsidl nfsio 95094 198639 0 0 3 0x14280 nfsidl nfsio 36955 340536 0 0 3 0x14280 nfsidl nfsio 62831 310343 0 0 3 0x14280 nfsidl nfsio 51217 185449 0 0 3 0x14280 nfsidl nfsio 59309 342326 92476 0 3 0x82 nanoslp syz-executor 60587 364695 1 0 3 0x100083 ttyopn getty 69574 326331 92476 0 3 0x82 nanoslp syz-executor 34333 298857 92476 0 3 0x82 nanoslp syz-executor 5254 46618 92476 0 3 0x82 nanoslp syz-executor 26397 311267 92476 0 3 0x82 wait syz-executor 95560 466159 92476 0 3 0x82 nanoslp syz-executor 43615 311138 92476 0 3 0x82 nanoslp syz-executor 92476 306341 7405 0 3 0x82 kqread syz-executor 7405 82070 56044 0 3 0x10008a sigsusp ksh 56044 408956 23463 0 3 0x98 kqread sshd-session 23463 193430 22137 0 3 0x92 kqread sshd-session 22137 147438 1 0 3 0x88 kqread sshd 78558 345127 81602 73 3 0x1100090 kqread syslogd 81602 122955 1 0 3 0x100082 sbwait syslogd 20094 116754 1 0 3 0x100080 kqread resolvd 94872 34014 89738 77 3 0x100092 kqread dhcpleased 18012 502593 89738 77 3 0x100092 kqread dhcpleased 89738 257566 1 0 3 0x80 kqread dhcpleased 42609 144417 0 0 3 0x14200 bored smr 42681 427991 0 0 2 0x14200 zerothread 42253 25557 0 0 3 0x14200 aiodoned aiodoned 46742 489616 0 0 3 0x14200 syncer update 82373 448140 0 0 3 0x14200 cleaner cleaner 52827 522218 0 0 3 0x14200 reaper reaper 90880 503507 0 0 3 0x14200 pgdaemon pagedaemon 22381 474157 0 0 3 0x14200 bored viomb 81432 176949 0 0 3 0x40014200 acpi0 acpi0 92860 44008 0 0 3 0x14200 bored softnet0 68537 540 0 0 3 0x14200 smrbar systqmp 3807 83964 0 0 3 0x14200 bored systq 38262 58836 0 0 3 0x40014200 tmoslp softclock 30875 439697 0 0 3 0x40014200 idle0 1 9543 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 11037 12100K 12365K 166960K 12416 0 pcb 17 12K 12K 166960K 72 0 rtable 225 8K 8K 166960K 485 0 pf 34 13K 17K 166960K 71 0 ifaddr 41 7K 7K 166960K 66 0 ifgroup 50 2K 2K 166960K 75 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 18K 166960K 45 0 ioctlops 1 4K 4K 166960K 168 0 iov 1 2K 16K 166960K 13 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1353 85K 85K 166960K 1754 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 77K 166960K 449 0 sigio 1 0K 0K 166960K 15 0 proc 61 67K 83K 166960K 586 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 35 0 in_multi 97 7K 7K 166960K 144 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 421 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 159K 165K 166960K 5413 0 UVM aobj 16 4K 4K 166960K 16 0 pinsyscall 38 76K 88K 166960K 1598 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 11 0K 2K 166960K 41 0 temp 48 9108K 9123K 166960K 14184 0 kqueue 16 26K 30K 166960K 83 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 69 0 66 1 0 1 1 0 8 0 rtentry 136 147 0 50 4 0 4 4 0 8 0 unpcb 144 311 0 295 6 5 1 6 0 8 0 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpcb 736 87 0 80 1 0 1 1 0 8 0 arp 96 22 0 6 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 306 0 294 2 0 2 2 0 8 1 ip6q 72 2 0 1 1 0 1 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 112 33 0 9 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 9 0 9 2 1 1 1 0 8 1 pppxif 1416 1 0 1 1 1 0 1 0 8 0 pfstscr 40 10 0 6 2 1 1 1 0 8 0 pfrktable 1344 3 1 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 4 0 2 1 0 1 1 0 8 0 pfstkey 128 10 0 7 2 1 1 1 0 8 0 pfstate 384 5 0 3 2 1 1 1 0 8 0 pfrule 1360 6 0 3 2 1 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 638 0 203 31 2 29 29 0 8 1 art_table 40 640 0 203 5 0 5 5 0 8 0 art_node 32 146 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 72 10 0 1 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2180 0 720 92 0 92 92 0 8 0 ffsino 256 2180 0 720 92 0 92 92 0 8 0 nchpl 144 2764 0 1062 64 0 64 64 0 8 0 vnodes 216 2482 0 0 138 0 138 138 0 8 0 namei 1024 8981 0 8980 2 1 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 41 0 18 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 12806 0 12806 3 2 1 3 1 8 1 plimitpl 152 137 0 119 1 0 1 1 0 8 0 sigapl 424 759 0 697 8 0 8 8 0 8 0 knotepl 120 13882 0 13825 18 8 10 10 0 8 8 kqueuepl 184 309 0 291 9 5 4 6 0 8 3 pipepl 304 218 0 190 8 0 8 8 0 8 5 fdescpl 448 726 0 697 4 0 4 4 0 8 0 filepl 120 3832 0 3604 21 7 14 15 0 8 5 lockfpl 104 89 0 87 1 0 1 1 0 8 0 lockfspl 48 42 0 40 1 0 1 1 0 8 0 sessionpl 144 45 0 35 1 0 1 1 0 8 0 pgrppl 48 56 0 38 1 0 1 1 0 8 0 ucredpl 104 611 0 597 1 0 1 1 0 8 0 zombiepl 144 698 0 697 1 0 1 1 0 8 0 processpl 1152 759 0 697 5 0 5 5 0 8 0 procpl 664 1200 0 1125 7 0 7 7 0 8 0 sockpl 552 704 0 673 12 9 3 12 0 8 0 mcl64k 65536 61 0 61 2 1 1 1 0 8 1 mcl16k 16384 3 0 3 1 1 0 1 0 8 0 mcl8k 8192 12 0 12 2 1 1 1 0 8 1 mcl4k 4096 2877 0 2822 16 7 9 15 0 8 1 mcl2k 2048 392 0 391 3 1 2 2 0 8 1 mtagpl 96 7 0 6 2 1 1 1 0 8 0 mbufpl 256 7186 0 7024 15 3 12 13 0 8 0 bufpl 272 5915 0 103 388 0 388 388 0 8 0 anonpl 24 115734 0 112488 62 5 57 57 0 186 11 amapchunkpl 152 16202 0 15709 28 1 27 27 0 158 5 amappl16 200 2105 0 2079 23 8 15 15 0 8 8 amappl15 192 27 0 27 1 1 0 1 0 8 0 amappl14 184 430 0 429 1 0 1 1 0 8 0 amappl13 176 118 0 108 1 0 1 1 0 8 0 amappl12 168 987 0 959 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 68 0 58 1 0 1 1 0 8 0 amappl9 144 270 0 269 1 0 1 1 0 8 0 amappl8 136 131 0 130 1 0 1 1 0 8 0 amappl7 128 142 0 131 1 0 1 1 0 8 0 amappl6 120 184 0 182 1 0 1 1 0 8 0 amappl5 112 92 0 84 1 0 1 1 0 8 0 amappl4 104 267 0 252 1 0 1 1 0 8 0 amappl3 96 3374 0 3261 4 0 4 4 0 8 0 amappl2 88 536 0 482 2 0 2 2 0 8 0 amappl1 80 11433 0 10882 13 1 12 13 0 8 0 amappl 88 4655 0 4490 5 0 5 5 0 92 0 uvmvnodes 80 103 0 0 3 0 3 3 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 726 0 697 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 726 0 697 1 0 1 1 0 8 0 vmmpekpl 168 7763 0 7721 3 0 3 3 0 8 0 vmmpepl 168 54002 0 52205 101 9 92 92 0 357 6 vmsppl 368 725 0 697 3 0 3 3 0 8 0 rwobjpl 40 17593 0 16617 13 0 13 13 0 8 0 pdppl 4096 1458 0 1394 96 28 68 72 0 8 4 pvpl 32 316853 0 307529 152 23 129 129 0 265 22 pmappl 216 725 0 697 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 760 0 50 21 0 21 21 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83abe198,ffff80000164e840) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000164ecd0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff800001668780,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83abe630,ffff800001668780,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd604404,ffff800000c73000,2,ffff80002d8b1a08) at pfioctl+0xa370 sys/net/pf_ioctl.c:2382 VOP_IOCTL(fffffa007d353c08,cd604404,ffff800000c73000,2,fffffa0007ffd478,ffff80002d8b1a08) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006cfc4710,cd604404,ffff800000c73000,ffff80002d8b1a08) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002d8b1a08,ffff800035cc3d00,ffff800035cc3c50) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800035cc3d00) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800035cc3d00) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44056379240, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83abe198,ffff80000164e840) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000164ecd0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff800001668780,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83abe630,ffff800001668780,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd604404,ffff800000c73000,2,ffff80002d8b1a08) at pfioctl+0xa370 sys/net/pf_ioctl.c:2382 VOP_IOCTL(fffffa007d353c08,cd604404,ffff800000c73000,2,fffffa0007ffd478,ffff80002d8b1a08) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006cfc4710,cd604404,ffff800000c73000,ffff80002d8b1a08) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002d8b1a08,ffff800035cc3d00,ffff800035cc3c50) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800035cc3d00) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800035cc3d00) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44056379240, count: -10