kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82a7b498,ffff800000cbf800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000cbfc90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c548a0,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be3000,2,ffff800021223a48) at pfioctl+0x8e97 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000be3000,2,ffff800021223a48) at pfioctl+0x8e97 sys/net/pf_ioctl.c:1659 VOP_IOCTL(fffffd806f67faa8,cd60441a,ffff800000be3000,2,fffffd807f7d7840,ffff800021223a48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80685f1dc8,cd60441a,ffff800000be3000,ffff800021223a48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021223a48,ffff80002e356488,ffff80002e3564e0) at sys_ioctl+0x4a2 syscall(ffff80002e356550) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e356550) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe1ef7741e00, count: -9 ddb{0}> show registers rdi 0xffff800024e85000 rsi 0xf24 rbp 0xffff80002e355f60 rbx 0xffffffff82a7b498 pf_anchors rdx 0xffff800024e85000 rcx 0xf23 rax 0xffffffff81cdd53b pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0xbba5d9f3fbd2b58a r11 0x34113e0d4e805b9a r12 0xa593378af7b072a5 r13 0xffffffff82a7b4a0 pf_main_anchor r14 0xffff800000cbf800 r15 0xdeaf007fdeaf4152 rip 0xffffffff81cdd568 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80002e355f10 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.6) pid=92146 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800021223508,0xffff8000ffff5d00 process=0xffff8000211a2578 user=0xffff80002e351000, vmspace=0xfffffd805863e5e0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88487 288685 45266 0 2 0 syz-executor.0 88487 15820 45266 0 3 0x4000080 fsleep syz-executor.0 55867 401113 98773 0 2 0 syz-executor.1 55867 412863 98773 0 3 0x4000080 fsleep syz-executor.1 34108 5536 4747 0 2 0 syz-executor.6 *34108 92146 4747 0 7 0x4000000 syz-executor.6 11981 518996 26390 0 2 0 syz-executor.5 11981 423337 26390 0 3 0x4000080 fsleep syz-executor.5 69076 171510 55568 0 2 0 syz-executor.7 69076 339840 55568 0 3 0x4000080 fsleep syz-executor.7 85705 256669 30723 0 2 0 syz-executor.3 85705 333547 30723 0 3 0x4000080 ttyin syz-executor.3 30723 478537 39759 0 3 0x82 nanoslp syz-executor.3 43645 353125 39759 0 2 0x2 syz-executor.4 26390 464141 39759 0 3 0x82 nanoslp syz-executor.5 55568 418321 39759 0 3 0x82 nanoslp syz-executor.7 26530 437922 1 0 3 0x100083 ttyopn getty 98773 75131 39759 0 3 0x82 nanoslp syz-executor.1 4747 244367 39759 0 3 0x82 nanoslp syz-executor.6 45266 416560 39759 0 3 0x82 nanoslp syz-executor.0 73362 70134 0 0 3 0x14200 acct acct 69470 382897 0 0 3 0x14200 bored sosplice 39759 77598 39111 0 3 0x82 thrsleep syz-fuzzer 39759 314005 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 180348 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 520632 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 196017 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 225848 39111 0 3 0x4000082 kqread syz-fuzzer 39759 413855 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 205207 39111 0 3 0x4000082 thrsleep syz-fuzzer 39759 193647 39111 0 3 0x4000082 thrsleep syz-fuzzer 39111 303426 7052 0 3 0x10008a sigsusp ksh 7052 91940 35636 0 3 0x9a kqread sshd 35636 215276 1 0 3 0x88 kqread sshd 58356 81474 39877 74 3 0x1100092 bpf pflogd 39877 112013 1 0 3 0x80 netio pflogd 13228 400818 20564 73 3 0x1100090 kqread syslogd 20564 61032 1 0 3 0x100082 netio syslogd 79634 305833 1 0 3 0x100080 kqread resolvd 89760 97252 39043 77 3 0x100092 kqread dhcpleased 5322 231223 39043 77 3 0x100092 kqread dhcpleased 39043 112844 1 0 3 0x80 kqread dhcpleased 34834 430539 0 0 3 0x14200 bored smr 73618 522220 0 0 2 0x14200 zerothread 6364 32482 0 0 3 0x14200 aiodoned aiodoned 56461 410054 0 0 3 0x14200 syncer update 81411 137770 0 0 3 0x14200 cleaner cleaner 29714 357270 0 0 3 0x14200 reaper reaper 11602 130703 0 0 3 0x14200 pgdaemon pagedaemon 52619 339568 0 0 3 0x14200 bored viomb 83694 340154 0 0 3 0x40014200 acpi0 acpi0 91824 337253 0 0 7 0x40014200 idle1 55918 48102 0 0 3 0x14200 bored softnet 41170 91027 0 0 3 0x14200 bored systqmp 17783 472032 0 0 3 0x14200 bored systq 44478 72183 0 0 3 0x40014200 bored softclock 75400 457525 0 0 3 0x40014200 idle0 1 487278 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 34108 (syz-executor.6) thread 0xffff800021223a48 (92146) exclusive rwlock pf_lock r = 0 (0xffffffff8299d260) #0 witness_lock+0x44d #1 pfioctl+0x5dc5 sys/net/pf_ioctl.c:1608 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff829b5fe0) #0 witness_lock+0x44d #1 pfioctl+0x38c8 sys/net/pf_ioctl.c:1608 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff8299d2c0) #0 witness_lock+0x44d #1 pfioctl+0x15e sys/net/pf_ioctl.c:1148 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a26318) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10194 6511K 7074K 78643K 17074 0 pcb 13 8K 8K 78643K 286 0 rtable 185 8K 14K 78643K 1485 0 ifaddr 93 20K 23K 78643K 639 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 36K 78643K 158 0 ioctlops 1 4K 4K 78643K 1979 0 iov 1 16K 32K 78643K 140 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1278 80K 80K 78643K 3382 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 34 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 11 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 85K 78643K 6224 0 sigio 1 0K 0K 78643K 33 0 proc 72 91K 128K 78643K 1170 0 subproc 91 5K 6K 78643K 320 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 408 0 in_multi 76 5K 7K 78643K 480 0 ether_multi 1 0K 0K 78643K 71 0 mrt 1 0K 0K 78643K 47 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 79 360K 360K 78643K 79 0 exec 0 0K 2K 78643K 1263 0 pfkey data 0 0K 0K 78643K 6 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 279 206K 215K 78643K 31646 0 UVM aobj 84 3K 3K 78643K 95 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 214 0 NDP 13 0K 2K 78643K 115 0 temp 218 4890K 5038K 78643K 58017 0 kqueue 12 18K 24K 78643K 373 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 226 0 223 1 0 1 1 0 8 0 rtentry 112 340 0 265 4 0 4 4 0 8 0 unpcb 136 1125 0 1110 3 2 1 2 0 8 0 syncache 296 52 0 52 9 9 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 102 0 102 3 3 0 1 0 8 0 tcpcb 736 877 0 872 16 15 1 6 0 8 0 arp 120 57 0 43 1 0 1 1 0 8 0 inpcb 312 2279 0 2270 9 8 1 2 0 8 0 rttmr 72 10 0 9 4 3 1 1 0 8 0 nd6 48 75 0 59 1 0 1 1 0 8 0 pkpcb 40 29 0 29 6 6 0 1 0 8 0 kcovpl 48 24 0 17 1 0 1 1 0 8 0 ppxss 1248 25 0 25 3 2 1 1 0 8 1 pfstscr 40 45 0 43 5 4 1 1 0 8 0 pffrag 232 23 0 17 2 1 1 1 0 482 0 pffrnode 88 22 0 17 2 1 1 1 0 8 0 pffrent 40 57 0 50 2 1 1 1 0 8 0 pfosfp 40 1440 0 1014 5 0 5 5 0 8 0 pfosfpen 112 1440 0 723 21 0 21 21 0 8 0 pfrktable 1344 172 1 169 2 1 1 2 0 8 0 pftag 88 27 0 19 1 0 1 1 0 8 0 pfqueue 264 1 0 1 1 1 0 1 0 8 0 pfstitem 24 48 0 44 1 0 1 1 0 8 0 pfstkey 112 156 0 153 1 0 1 1 0 8 0 pfstate 320 104 0 100 3 2 1 2 0 8 0 pfrule 1360 196 0 161 6 3 3 5 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1449 0 1087 32 6 26 30 0 8 1 art_table 32 1451 0 1088 4 0 4 4 0 8 0 art_node 16 335 0 269 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 0 1 0 1 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 92 0 11 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 9131 0 7700 91 0 91 91 0 8 0 ffsino 272 9131 0 7700 97 0 97 97 0 8 0 nchpl 144 16327 0 14692 64 1 63 64 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 43072 0 43072 6 5 1 2 0 8 1 percpumem 16 91 0 51 1 0 1 1 0 8 0 vcpupl 2048 8 0 0 1 0 1 1 0 8 0 vmpool 560 8 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 59 0 58 5 4 1 1 0 8 0 scsiplug 72 15 0 15 3 2 1 1 0 8 1 scxspl 216 61880 0 61880 12 11 1 8 0 8 1 plimitpl 152 285 0 270 1 0 1 1 0 8 0 sigapl 424 6500 0 6456 6 0 6 6 0 8 0 futexpl 64 33131 0 33127 7 6 1 1 0 8 0 knotepl 120 585 0 0 15 0 15 15 0 8 0 kqueuepl 216 584 0 576 1 0 1 1 0 8 0 pipepl 336 331 0 306 3 0 3 3 0 8 0 fdescpl 496 6478 0 6450 6 1 5 5 0 8 0 filepl 152 17987 0 17762 12 2 10 11 0 8 0 lockfpl 104 803 0 801 1 0 1 1 0 8 0 lockfspl 48 339 0 337 1 0 1 1 0 8 0 sessionpl 144 42 0 26 1 0 1 1 0 8 0 pgrppl 48 79 0 63 1 0 1 1 0 8 0 ucredpl 96 2248 0 2235 1 0 1 1 0 8 0 zombiepl 144 6456 0 6456 2 1 1 1 0 8 1 processpl 1064 6500 0 6456 4 0 4 4 0 8 0 procpl 672 13027 0 12969 8 2 6 7 0 8 0 srpgc 96 16 0 16 2 2 0 1 0 8 0 sosppl 168 102 0 102 9 8 1 1 0 8 1 sockpl 480 3659 0 3632 17 13 4 7 0 8 0 mcl64k 65536 22 0 0 3 0 3 3 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 1 2 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 326 0 0 18 1 17 18 0 8 0 mtagpl 96 393 0 0 10 0 10 10 0 8 0 mbufpl 256 795 0 0 42 0 42 42 0 8 0 bufpl 288 14130 0 7800 453 0 453 453 0 8 0 anonpl 24 1179795 0 1170278 235 161 74 202 0 186 0 amapchunkpl 152 95768 0 95268 94 69 25 78 0 158 3 amappl16 200 17810 0 17549 79 62 17 27 0 8 0 amappl15 192 1020 0 1017 1 0 1 1 0 8 0 amappl14 184 1035 0 1023 1 0 1 1 0 8 0 amappl13 176 1427 0 1423 1 0 1 1 0 8 0 amappl12 168 1497 0 1492 1 0 1 1 0 8 0 amappl11 160 933 0 911 2 0 2 2 0 8 0 amappl10 152 507 0 499 1 0 1 1 0 8 0 amappl9 144 823 0 818 1 0 1 1 0 8 0 amappl8 136 1122 0 1030 4 0 4 4 0 8 0 amappl7 128 352 0 339 1 0 1 1 0 8 0 amappl6 120 662 0 641 2 1 1 2 0 8 0 amappl5 112 3802 0 3785 1 0 1 1 0 8 0 amappl4 104 3375 0 3346 2 1 1 2 0 8 0 amappl3 96 17991 0 17937 2 0 2 2 0 8 0 amappl2 88 9226 0 9161 3 1 2 3 0 8 0 amappl1 80 145904 0 145241 23 8 15 20 0 8 0 amappl 88 30708 0 30551 4 0 4 4 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 94 0 11 2 0 2 2 0 8 0 uaddrrnd 24 6486 0 6450 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6486 0 6450 1 0 1 1 0 8 0 vmmpekpl 168 36119 0 36068 3 0 3 3 0 8 0 vmmpepl 168 606615 0 604321 177 66 111 119 0 357 5 vmsppl 368 6485 0 6450 5 1 4 4 0 8 0 rwobjpl 56 141764 0 134451 115 10 105 107 0 8 0 pdppl 4096 12979 0 12908 260 183 77 81 0 8 6 pvpl 32 2792641 0 2778538 446 304 142 380 0 265 2 pmappl 248 6485 0 6450 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1057 0 226 25 1 24 25 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82a7b498,ffff800000cbf800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000cbfc90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c548a0,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be3000,2,ffff800021223a48) at pfioctl+0x8e97 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000be3000,2,ffff800021223a48) at pfioctl+0x8e97 sys/net/pf_ioctl.c:1659 VOP_IOCTL(fffffd806f67faa8,cd60441a,ffff800000be3000,2,fffffd807f7d7840,ffff800021223a48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80685f1dc8,cd60441a,ffff800000be3000,ffff800021223a48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021223a48,ffff80002e356488,ffff80002e3564e0) at sys_ioctl+0x4a2 syscall(ffff80002e356550) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e356550) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe1ef7741e00, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5