login: 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(ffffffff83935398,ffff80000172b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000172bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000160c220,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83935830,ffff80000160c220,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015f6000,83,ffff80002a78ca78) at pfioctl+0x9b23 sys/net/pf_ioctl.c:2627 VOP_IOCTL(fffffd8064d1c5e8,cd60441a,ffff8000015f6000,83,fffffd8007ffd820,ffff80002a78ca78) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806cccfad0,cd60441a,ffff8000015f6000,ffff80002a78ca78) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a78ca78,ffff80003c9459e0,ffff80003c945930) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c9459e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9459e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf79b58687a0, count: -10 ddb> show registers rdi 0xffffffff83935398 pf_anchors rsi 0xffff80000172b760 rbp 0xffff80003c9453b0 rbx 0xffffffff83935398 pf_anchors rdx 0 rcx 0xffffffff83935800 pf_main_anchor+0x460 rax 0xffff80002a78ca78 r8 0x3fc r9 0x8080808080808080 r10 0xb2b2856c2fd7f4d3 r11 0xfffb094df5dae3f r12 0x28c4cb7cff1d6ca3 r13 0x1 r14 0xffff80000172b760 r15 0xbd9214e1f68a3966 rip 0xffffffff814ea101 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003c945360 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> show proc PROC (syz-executor) tid=223647 pid=31234 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a4f3248,0xffff80002a78cd20 process=0xffff8000ffff8918 user=0xffff80003c940000, vmspace=0xfffffd806c7f52f0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77136 276683 11598 0 2 0 syz-executor 77136 13337 11598 0 3 0x4000080 fsleep syz-executor 43825 413035 71738 0 3 0x80 nanoslp syz-executor 43825 111917 71738 0 3 0x4000080 ttyretype syz-executor 43825 43498 71738 0 3 0x4000080 ttyretype syz-executor 43825 355818 71738 0 2 0x4000000 syz-executor 31234 430009 58806 0 2 0 syz-executor *31234 223647 58806 0 7 0x4000000 syz-executor 97382 61371 73445 0 2 0xc80 syz-executor 97382 453223 73445 0 3 0x4000080 sbwait syz-executor 97382 54802 73445 0 3 0x4000080 fsleep syz-executor 98947 206830 44113 0 3 0x1000080 nanoslp syz-executor 98947 175041 44113 0 3 0x5000080 sbwait syz-executor 98947 308677 44113 0 3 0x5000080 fsleep syz-executor 44113 134934 30413 0 3 0x82 nanoslp syz-executor 22651 198760 1 0 3 0x100083 ttyin getty 73445 74336 30413 0 3 0x82 nanoslp syz-executor 71738 185027 30413 0 2 0xc82 syz-executor 62889 239763 30413 0 2 0x2 syz-executor 58806 224111 30413 0 2 0xc82 syz-executor 89432 442046 30413 0 2 0x2 syz-executor 11598 520905 30413 0 2 0xc82 syz-executor 52905 390658 30413 0 2 0xc82 syz-executor 30413 521274 35491 0 3 0x82 kqread syz-executor 35491 107539 18220 0 3 0x10008a sigsusp ksh 18220 400416 97990 0 3 0x98 kqread sshd-session 97990 306601 92855 0 3 0x92 kqread sshd-session 92855 324031 1 0 3 0x88 kqread sshd 29018 61186 92953 73 3 0x1100090 kqread syslogd 92953 518801 1 0 3 0x100082 sbwait syslogd 49615 496211 1 0 3 0x100080 kqread resolvd 92700 90601 75192 77 3 0x100092 kqread dhcpleased 93139 139196 75192 77 3 0x100092 kqread dhcpleased 75192 55369 1 0 3 0x80 kqread dhcpleased 45972 465224 0 0 3 0x14200 bored smr 94408 182159 0 0 2 0x14200 zerothread 90728 17663 0 0 3 0x14200 aiodoned aiodoned 33212 138695 0 0 3 0x14200 syncer update 42574 253178 0 0 3 0x14200 cleaner cleaner 42474 28577 0 0 3 0x14200 reaper reaper 27109 171709 0 0 3 0x14200 pgdaemon pagedaemon 37918 420291 0 0 3 0x14200 bored viomb 23096 120164 0 0 3 0x40014200 acpi0 acpi0 34899 405150 0 0 3 0x14200 bored softnet0 45826 261461 0 0 3 0x14200 smrbar systqmp 33169 319879 0 0 3 0x14200 bored systq 83823 288867 0 0 2 0x40014200 softclock 54697 94038 0 0 3 0x40014200 idle0 1 368251 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11046 12133K 13162K 166960K 12785 0 pcb 17 12K 12K 166960K 67 0 rtable 237 7K 8K 166960K 442 0 pf 35 14K 93K 166960K 109 0 ifaddr 40 7K 7K 166960K 64 0 ifgroup 48 2K 2K 166960K 114 0 sysctl 3 1K 9K 166960K 41 0 counters 33 17K 18K 166960K 47 0 ioctlops 1 4K 4K 166960K 88 0 iov 0 0K 12K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1386 87K 88K 166960K 1674 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 85K 166960K 411 0 sigio 0 0K 0K 166960K 6 0 proc 60 59K 83K 166960K 561 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 38 0 in_multi 88 6K 7K 166960K 120 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 419 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 220 150K 159K 166960K 5370 0 UVM aobj 12 2K 2K 166960K 15 0 pinsyscall 37 74K 91K 166960K 1532 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 13 0 NDP 13 0K 2K 166960K 43 0 temp 76 9080K 9144K 166960K 17055 0 kqueue 15 22K 29K 166960K 76 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 52 0 49 1 0 1 1 0 8 0 rtentry 136 131 0 26 4 0 4 4 0 8 0 unpcb 144 282 0 261 6 5 1 6 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 195 0 188 7 5 2 7 0 8 1 arp 96 21 0 4 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 6 0 3 1 0 1 1 0 8 0 inpcb 328 362 0 350 7 5 2 7 0 8 0 ip6q 72 2 0 1 1 0 1 1 0 8 0 ip6af 40 3 0 2 1 0 1 1 0 8 0 nd6 112 29 0 6 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 1 0 0 1 0 1 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pfrktable 1344 8 1 7 2 1 1 1 0 8 0 pfsrclim 320 1 0 0 1 0 1 1 0 8 0 pfstlim 224 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 5 0 5 2 1 1 1 0 8 1 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1360 9 0 7 2 1 1 1 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 538 0 119 31 0 31 31 0 8 3 art_table 40 540 0 119 5 0 5 5 0 8 0 art_node 32 129 0 32 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 2 1 1 1 0 8 0 semapl 112 7 0 3 1 0 1 1 0 8 0 shmpl 112 12 0 3 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2038 0 579 92 0 92 92 0 8 0 ffsino 256 2038 0 579 92 0 92 92 0 8 0 nchpl 144 2622 0 924 64 0 64 64 0 8 0 vnodes 216 2347 0 0 131 0 131 131 0 8 0 namei 1024 8448 0 8448 3 2 1 2 0 8 1 pfiaddrpl 120 3 0 2 2 1 1 1 0 8 0 kstatmem 264 51 0 28 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 8902 0 8902 2 1 1 2 1 8 1 plimitpl 152 125 0 107 1 0 1 1 0 8 0 sigapl 424 704 0 663 6 1 5 6 0 8 0 knotepl 120 15826 0 15778 30 14 16 17 0 8 13 kqueuepl 184 161 0 150 4 0 4 4 0 8 3 pipepl 304 140 0 113 3 0 3 3 0 8 0 fdescpl 448 690 0 662 4 0 4 4 0 8 0 filepl 120 3437 0 3202 14 3 11 11 0 8 3 lockfpl 104 108 0 105 1 0 1 1 0 8 0 lockfspl 48 50 0 47 1 0 1 1 0 8 0 sessionpl 144 61 0 53 1 0 1 1 0 8 0 pgrppl 48 106 0 90 1 0 1 1 0 8 0 ucredpl 104 412 0 400 1 0 1 1 0 8 0 zombiepl 144 664 0 663 1 0 1 1 0 8 0 processpl 1152 704 0 663 4 0 4 4 0 8 0 procpl 664 1091 0 1041 5 0 5 5 0 8 0 sockpl 552 715 0 679 13 9 4 12 0 8 0 mcl64k 65536 89 0 88 2 1 1 1 0 8 0 mcl16k 16384 3 0 3 1 1 0 1 0 8 0 mcl8k 8192 15 0 15 2 1 1 1 0 8 1 mcl4k 4096 2845 0 2792 14 6 8 14 0 8 0 mcl2k 2048 386 0 379 3 2 1 3 0 8 0 mtagpl 96 7 0 4 1 0 1 1 0 8 0 mbufpl 256 7169 0 7004 18 3 15 18 0 8 0 bufpl 280 3228 0 102 224 0 224 224 0 8 0 anonpl 24 120370 0 117255 43 10 33 33 0 187 7 amapchunkpl 152 16638 0 16179 37 11 26 32 0 158 5 amappl16 200 2017 0 1992 9 4 5 6 0 8 1 amappl15 192 3 0 2 1 0 1 1 0 8 0 amappl14 184 477 0 476 1 0 1 1 0 8 0 amappl13 176 116 0 106 1 0 1 1 0 8 0 amappl12 168 934 0 907 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 59 0 49 1 0 1 1 0 8 0 amappl9 144 264 0 263 2 1 1 1 0 8 0 amappl8 136 102 0 101 1 0 1 1 0 8 0 amappl7 128 146 0 134 1 0 1 1 0 8 0 amappl6 120 160 0 158 1 0 1 1 0 8 0 amappl5 112 89 0 81 1 0 1 1 0 8 0 amappl4 104 255 0 239 1 0 1 1 0 8 0 amappl3 96 3159 0 3054 4 0 4 4 0 8 0 amappl2 88 513 0 458 2 0 2 2 0 8 0 amappl1 80 10196 0 9656 13 1 12 13 0 8 0 amappl 88 4617 0 4459 5 0 5 5 0 92 0 uvmvnodes 80 107 0 0 3 0 3 3 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 14 0 3 1 0 1 1 0 8 0 uaddrrnd 24 690 0 662 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 690 0 662 1 0 1 1 0 8 0 vmmpekpl 168 6858 0 6822 2 0 2 2 0 8 0 vmmpepl 168 50404 0 48677 85 2 83 83 0 357 0 vmsppl 368 689 0 662 4 1 3 4 0 8 0 rwobjpl 40 16255 0 15299 11 0 11 11 0 8 0 pdppl 4096 1386 0 1324 94 26 68 76 0 8 6 pvpl 32 313955 0 305554 116 16 100 100 0 265 16 pmappl 216 689 0 662 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 378 0 52 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83935398,ffff80000172b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000172bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000160c220,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83935830,ffff80000160c220,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015f6000,83,ffff80002a78ca78) at pfioctl+0x9b23 sys/net/pf_ioctl.c:2627 VOP_IOCTL(fffffd8064d1c5e8,cd60441a,ffff8000015f6000,83,fffffd8007ffd820,ffff80002a78ca78) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806cccfad0,cd60441a,ffff8000015f6000,ffff80002a78ca78) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a78ca78,ffff80003c9459e0,ffff80003c945930) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c9459e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9459e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf79b58687a0, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83935398,ffff80000172b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000172bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000160c220,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83935830,ffff80000160c220,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015f6000,83,ffff80002a78ca78) at pfioctl+0x9b23 sys/net/pf_ioctl.c:2627 VOP_IOCTL(fffffd8064d1c5e8,cd60441a,ffff8000015f6000,83,fffffd8007ffd820,ffff80002a78ca78) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806cccfad0,cd60441a,ffff8000015f6000,ffff80002a78ca78) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a78ca78,ffff80003c9459e0,ffff80003c945930) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c9459e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9459e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf79b58687a0, count: -10