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(ffffffff83a9e558,ffff800001632848) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff800001632cd8) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000161bd48,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a9e9f0,ffff80000161bd48,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015fb000,83,ffff80002a8a34f8) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffa0067bf3988,cd60441a,ffff8000015fb000,83,fffffa0007ffd548,ffff80002a8a34f8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006d3dbad8,cd60441a,ffff8000015fb000,ffff80002a8a34f8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a8a34f8,ffff80003c8f9600,ffff80003c8f9550) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c8f9600) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f9600) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1a4a5d03dc0, count: -10 ddb> show registers rdi 0xffff8000314b8000 rsi 0x7bb rbp 0xffff80003c8f8fd0 rbx 0xffffffff83a9e558 pf_anchors rdx 0xffff8000314b8000 rcx 0x7ba rax 0xffffffff826669bf pf_anchor_global_RB_REMOVE+0x2f r8 0x3fc r9 0x8080808080808080 r10 0x927914dc6dab4674 r11 0x3cb9c7d782789813 r12 0xf3a39c355fcbde0c r13 0x1 r14 0xffff800001632848 r15 0xaf3db98f2992aab9 rip 0xffffffff82666a11 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80003c8f8f80 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> show proc PROC (syz-executor) tid=279116 pid=57517 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=0xffff80002a8a3260,0xffff80002a8a3a38 process=0xffff8000ffff96a0 user=0xffff80003c8f4000, vmspace=0xfffffa006ca862f0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 99595 479690 58297 0 2 0 syz-executor 57517 189865 52538 0 2 0 syz-executor *57517 279116 52538 0 7 0x4000000 syz-executor 7654 366732 87566 0 2 0 syz-executor 7654 239062 87566 0 3 0x4000080 bell syz-executor 83514 190536 63107 0 3 0x80 nanoslp syz-executor 83514 263523 63107 0 3 0x4000080 kqread syz-executor 88051 171446 70275 0 2 0 syz-executor 88051 465641 70275 0 3 0x4000080 ttyretype syz-executor 46371 294796 28892 -1 3 0x90 nanoslp syz-executor 46371 69893 28892 -1 3 0x4000090 msgwait syz-executor 46371 396348 28892 -1 3 0x4000090 fsleep syz-executor 32317 155423 14085 0 3 0x3000 suspend syz-executor 32317 423649 14085 0 2 0x4081000 syz-executor 32317 148580 14085 0 3 0x4081000 inode syz-executor 96514 269269 1 0 3 0x100083 ttyin getty 70275 413 23075 0 3 0x82 nanoslp syz-executor 58297 261057 23075 0 3 0x82 nanoslp syz-executor 6861 441491 23075 0 3 0x82 nanoslp syz-executor 72254 295407 0 0 3 0x14280 nfsidl nfsio 37565 488823 0 0 3 0x14280 nfsidl nfsio 92445 512896 0 0 3 0x14280 nfsidl nfsio 10218 75454 0 0 3 0x14280 nfsidl nfsio 75275 254801 0 0 3 0x14280 nfsidl nfsio 884 85215 0 0 3 0x14280 nfsidl nfsio 22528 400949 0 0 3 0x14280 nfsidl nfsio 56591 370113 0 0 3 0x14280 nfsidl nfsio 76191 194603 0 0 3 0x14280 nfsidl nfsio 41959 4476 0 0 3 0x14280 nfsidl nfsio 83776 325195 0 0 3 0x14280 nfsidl nfsio 97647 162265 0 0 3 0x14280 nfsidl nfsio 97131 309674 0 0 3 0x14280 nfsidl nfsio 64697 334102 0 0 3 0x14280 nfsidl nfsio 66624 248856 0 0 3 0x14280 nfsidl nfsio 80419 460486 0 0 3 0x14280 nfsidl nfsio 53952 10265 0 0 3 0x14280 nfsidl nfsio 96621 58143 0 0 3 0x14280 nfsidl nfsio 95670 166 0 0 3 0x14280 nfsidl nfsio 17781 100726 0 0 3 0x14280 nfsidl nfsio 63107 243412 23075 0 3 0x82 nanoslp syz-executor 28892 378107 23075 0 3 0x82 nanoslp syz-executor 87566 452941 23075 0 3 0x82 nanoslp syz-executor 52538 176462 23075 0 3 0x82 nanoslp syz-executor 14085 77661 23075 0 3 0x82 wait syz-executor 23075 247504 87705 0 2 0x2 syz-executor 87705 331844 38188 0 3 0x10008a sigsusp ksh 38188 380553 68094 0 3 0x98 kqread sshd-session 68094 302722 16615 0 3 0x92 kqread sshd-session 16615 390326 1 0 3 0x88 kqread sshd 91995 519474 13936 73 3 0x1100090 kqread syslogd 13936 68654 1 0 3 0x100082 sbwait syslogd 72469 57739 1 0 3 0x100080 kqread resolvd 35246 36696 64857 77 3 0x100092 kqread dhcpleased 99229 150130 64857 77 3 0x100092 kqread dhcpleased 64857 503486 1 0 3 0x80 kqread dhcpleased 10834 20301 0 0 3 0x14200 bored smr 41426 222864 0 0 2 0x14200 zerothread 92666 365251 0 0 3 0x14200 aiodoned aiodoned 5583 204307 0 0 3 0x14200 syncer update 92345 430718 0 0 3 0x14200 cleaner cleaner 65958 321527 0 0 3 0x14200 reaper reaper 93169 221752 0 0 3 0x14200 pgdaemon pagedaemon 59064 43222 0 0 3 0x14200 bored viomb 22885 410330 0 0 3 0x40014200 acpi0 acpi0 28089 37789 0 0 3 0x14200 bored softnet0 34507 351586 0 0 3 0x14200 bored systqmp 99010 188369 0 0 3 0x14200 bored systq 10152 174641 0 0 3 0x40014200 tmoslp softclock 35151 340638 0 0 3 0x40014200 idle0 1 340000 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 11060 12377K 12573K 166960K 13666 0 pcb 17 13K 14K 166960K 245 0 rtable 220 9K 11K 166960K 626 0 pf 41 15K 20K 166960K 261 0 ifaddr 39 7K 7K 166960K 101 0 ifgroup 51 2K 2K 166960K 159 0 sysctl 4 1K 9K 166960K 12 0 counters 34 17K 18K 166960K 83 0 ioctlops 1 4K 4K 166960K 375 0 iov 0 0K 12K 166960K 41 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1392 88K 88K 166960K 2508 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 133 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 81K 166960K 1104 0 sigio 0 0K 0K 166960K 80 0 proc 61 59K 83K 166960K 652 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 188 0 in_multi 91 6K 7K 166960K 152 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 21 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 496 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 215 158K 177K 166960K 10855 0 UVM aobj 26 2K 2K 166960K 27 0 pinsyscall 39 78K 88K 166960K 2270 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 36 0 NDP 11 0K 1K 166960K 74 0 temp 57 9111K 13208K 166960K 34346 0 kqueue 13 20K 31K 166960K 202 0 SYN cache 2 16K 24K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 167 0 163 2 0 2 2 0 8 1 rtentry 136 156 0 69 4 0 4 4 0 8 0 unpcb 144 453 0 437 2 1 1 2 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 736 282 0 278 7 6 1 7 0 8 0 arp 96 25 0 11 1 0 1 1 0 8 0 ipq 40 13 0 12 1 0 1 1 0 8 0 ipqe 40 25 0 24 1 0 1 1 0 8 0 inpcb 328 884 0 877 11 6 5 7 0 8 4 nd6 112 37 0 15 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 41 0 39 2 1 1 1 0 8 0 pfstscr 40 15 0 15 2 1 1 1 0 8 1 pffrag 232 11 0 7 1 0 1 1 0 482 0 pffrnode 88 11 0 7 1 0 1 1 0 8 0 pffrent 40 21 0 17 1 0 1 1 0 8 0 pfrktable 1344 32 1 30 1 0 1 1 0 8 0 pfsrclim 320 18 0 17 1 0 1 1 0 8 0 pfanchor 1288 22 0 22 2 1 1 1 0 8 1 pftag 88 8 0 5 1 0 1 1 0 8 0 pfqueue 320 28 0 12 2 0 2 2 0 8 0 pfstitem 24 16 0 7 1 0 1 1 0 8 0 pfstkey 128 38 0 25 1 0 1 1 0 8 0 pfstate 384 20 0 15 1 0 1 1 0 8 0 pfrule 1360 20 0 19 2 1 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 697 0 291 33 6 27 30 0 8 0 art_table 40 699 0 291 5 0 5 5 0 8 0 art_node 32 155 0 77 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 9 1 0 1 1 0 8 0 semapl 72 64 0 54 1 0 1 1 0 8 0 shmpl 112 24 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3260 0 1799 92 0 92 92 0 8 0 ffsino 256 3260 0 1799 92 0 92 92 0 8 0 nchpl 144 4653 0 2954 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 vnodes 216 4127 0 0 230 0 230 230 0 8 0 namei 1024 14994 0 14994 3 2 1 2 0 8 1 pfiaddrpl 120 9 0 8 2 1 1 1 0 8 0 kstatmem 264 105 0 82 2 0 2 2 0 8 0 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 18711 0 18711 8 7 1 8 1 8 1 plimitpl 152 208 0 189 1 0 1 1 0 8 0 sigapl 424 1409 0 1346 8 0 8 8 0 8 0 knotepl 120 38501 0 38454 42 30 12 17 0 8 8 kqueuepl 184 366 0 355 5 2 3 3 0 8 2 pipepl 304 180 0 153 3 0 3 3 0 8 0 fdescpl 448 1376 0 1346 4 0 4 4 0 8 0 filepl 120 6870 0 6649 14 4 10 12 0 8 1 lockfpl 104 661 0 656 2 1 1 2 0 8 0 lockfspl 48 186 0 181 1 0 1 1 0 8 0 sessionpl 144 151 0 143 1 0 1 1 0 8 0 pgrppl 48 166 0 150 1 0 1 1 0 8 0 ucredpl 104 947 0 934 1 0 1 1 0 8 0 zombiepl 144 1348 0 1346 1 0 1 1 0 8 0 processpl 1152 1409 0 1346 5 0 5 5 0 8 0 procpl 664 2635 0 2564 8 0 8 8 0 8 0 sockpl 552 1528 0 1501 12 5 7 8 0 8 5 mcl64k 65536 125 0 124 2 1 1 1 0 8 0 mcl16k 16384 33 0 33 2 1 1 1 0 8 1 mcl12k 12288 5 0 5 2 1 1 1 0 8 1 mcl9k128 9344 2 0 2 2 1 1 1 0 8 1 mcl8k 8192 70 0 70 2 1 1 1 0 8 1 mcl4k 4096 4064 0 4012 14 6 8 14 0 8 1 mcl2k2 2112 5 0 5 1 1 0 1 0 8 0 mcl2k 2048 980 0 978 2 1 1 2 0 8 0 mtagpl 96 9 0 5 1 0 1 1 0 8 0 mbufpl 256 14891 0 14731 22 4 18 18 0 8 5 bufpl 280 6221 0 107 437 0 437 437 0 8 0 anonpl 24 216495 0 209347 71 24 47 53 0 186 0 amapchunkpl 152 49395 0 48940 48 15 33 33 0 158 13 amappl16 200 4607 0 4338 33 18 15 19 0 8 0 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 440 0 439 1 0 1 1 0 8 0 amappl13 176 124 0 114 1 0 1 1 0 8 0 amappl12 168 1622 0 1594 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 54 0 44 1 0 1 1 0 8 0 amappl9 144 274 0 273 1 0 1 1 0 8 0 amappl8 136 101 0 99 1 0 1 1 0 8 0 amappl7 128 147 0 136 1 0 1 1 0 8 0 amappl6 120 186 0 182 1 0 1 1 0 8 0 amappl5 112 91 0 83 1 0 1 1 0 8 0 amappl4 104 272 0 257 1 0 1 1 0 8 0 amappl3 96 7472 0 7370 4 0 4 4 0 8 0 amappl2 88 540 0 485 2 0 2 2 0 8 0 amappl1 80 14224 0 13675 13 1 12 13 0 8 0 amappl 88 9980 0 9828 5 0 5 5 0 92 0 uvmvnodes 80 123 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 1 1 0 1 0 8 0 dma128 128 256 0 256 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 26 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1376 0 1346 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1376 0 1346 1 0 1 1 0 8 0 vmmpekpl 168 11413 0 11365 3 0 3 3 0 8 0 vmmpepl 168 91934 0 89865 103 10 93 94 0 357 2 vmsppl 368 1375 0 1346 4 1 3 4 0 8 0 rwobjpl 40 26189 0 24971 14 1 13 13 0 8 0 pdppl 4096 2758 0 2692 104 38 66 74 0 8 0 pvpl 32 628436 0 615294 174 45 129 135 0 265 1 pmappl 216 1375 0 1346 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 398 0 72 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83a9e558,ffff800001632848) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff800001632cd8) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000161bd48,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a9e9f0,ffff80000161bd48,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015fb000,83,ffff80002a8a34f8) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffa0067bf3988,cd60441a,ffff8000015fb000,83,fffffa0007ffd548,ffff80002a8a34f8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006d3dbad8,cd60441a,ffff8000015fb000,ffff80002a8a34f8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a8a34f8,ffff80003c8f9600,ffff80003c8f9550) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c8f9600) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f9600) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1a4a5d03dc0, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83a9e558,ffff800001632848) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff800001632cd8) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000161bd48,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a9e9f0,ffff80000161bd48,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015fb000,83,ffff80002a8a34f8) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffa0067bf3988,cd60441a,ffff8000015fb000,83,fffffa0007ffd548,ffff80002a8a34f8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006d3dbad8,cd60441a,ffff8000015fb000,ffff80002a8a34f8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a8a34f8,ffff80003c8f9600,ffff80003c8f9550) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c8f9600) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f9600) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1a4a5d03dc0, count: -10