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(ffffffff82b217a0,ffff800000d78800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000d78c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000e02258,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd604404,ffff800000bea000,3,ffff8000211f4fc0) at pfioctl+0x9549 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd604404,ffff800000bea000,3,ffff8000211f4fc0) at pfioctl+0x9549 sys/net/pf_ioctl.c:1428 VOP_IOCTL(fffffd806f687b88,cd604404,ffff800000bea000,3,fffffd807f7d76c0,ffff8000211f4fc0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077916690,cd604404,ffff800000bea000,ffff8000211f4fc0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211f4fc0,ffff800027add4a8,ffff800027add500) at sys_ioctl+0x4a2 syscall(ffff800027add570) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027add570) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd4db8a3a20, count: -9 ddb{0}> show registers rdi 0xffff800027af4000 rsi 0xf33 rbp 0xffff800027adcf80 rbx 0xffffffff82b217a0 pf_anchors rdx 0xffff800027af4000 rcx 0xf32 rax 0xffffffff820215db pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0xabadefbc1353d782 r11 0xc419080a776356e6 r12 0x7b9e4d05c4bbe872 r13 0xffffffff82b217a8 pf_main_anchor r14 0xffff800000d78800 r15 0xdead007fdeadbeef rip 0xffffffff82021608 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800027adcf30 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.5) pid=356129 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000211f4000,0xffffffff82b1e8c8 process=0xffff800027aea9a8 user=0xffff800027ad8000, vmspace=0xfffffd806a96bd00 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21117 384307 66640 0 2 0 syz-executor.5 *21117 356129 66640 0 7 0x4000000 syz-executor.5 94131 474246 2384 60929 2 0x10 syz-executor.2 94131 24415 2384 60929 3 0x4000090 fsleep syz-executor.2 5728 492828 53280 0 3 0x80 nanoslp syz-executor.3 5728 41056 53280 0 3 0x4000080 ttyin syz-executor.3 5728 165417 53280 0 3 0x4000080 fsleep syz-executor.3 5728 130907 53280 0 3 0x4000080 fsleep syz-executor.3 29220 246733 42806 0 3 0x82 piperd syz-executor.6 66640 267920 42806 0 3 0x82 nanoslp syz-executor.5 33010 252212 0 0 3 0x14200 acct acct 4313 2465 42806 0 3 0x82 nanoslp syz-executor.0 82273 382931 42806 0 3 0x82 piperd syz-executor.4 7272 462896 42806 0 3 0x82 piperd syz-executor.7 53280 463176 42806 0 3 0x82 nanoslp syz-executor.3 22961 216847 1 0 3 0x100083 ttyin getty 2453 170947 42806 0 3 0x82 nanoslp syz-executor.1 2384 196232 42806 0 3 0x82 nanoslp syz-executor.2 36759 447013 0 0 3 0x14200 bored sosplice 42806 161980 49650 0 3 0x82 thrsleep syz-fuzzer 42806 307202 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 295715 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 103135 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 306213 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 92834 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 344743 49650 0 3 0x4000082 thrsleep syz-fuzzer 42806 328448 49650 0 3 0x4000082 kqread syz-fuzzer 42806 383392 49650 0 3 0x4000082 thrsleep syz-fuzzer 49650 344506 58973 0 3 0x10008a sigsusp ksh 58973 93181 36100 0 3 0x9a kqread sshd 36100 198059 1 0 3 0x88 kqread sshd 58025 47913 15109 74 3 0x1100092 bpf pflogd 15109 334511 1 0 3 0x80 netio pflogd 99226 359521 72159 73 3 0x1100090 kqread syslogd 72159 447036 1 0 3 0x100082 netio syslogd 6643 142310 1 0 3 0x100080 kqread resolvd 67919 119929 29085 77 3 0x100092 kqread dhcpleased 56789 79858 29085 77 3 0x100092 kqread dhcpleased 29085 203342 1 0 3 0x80 kqread dhcpleased 62849 226929 0 0 3 0x14200 bored smr 17242 509477 0 0 2 0x14200 zerothread 42165 509632 0 0 3 0x14200 aiodoned aiodoned 55394 147408 0 0 3 0x14200 syncer update 15242 412366 0 0 3 0x14200 cleaner cleaner 92829 234071 0 0 3 0x14200 reaper reaper 99744 46770 0 0 3 0x14200 pgdaemon pagedaemon 12538 410025 0 0 3 0x14200 bored viomb 92982 264698 0 0 3 0x40014200 acpi0 acpi0 65776 409855 0 0 7 0x40014200 idle1 48956 7647 0 0 3 0x14200 bored softnet 90270 316334 0 0 3 0x14200 bored systqmp 41876 392591 0 0 3 0x14200 bored systq 8288 452203 0 0 3 0x40014200 bored softclock 86808 27845 0 0 3 0x40014200 idle0 1 250890 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 21117 (syz-executor.5) thread 0xffff8000211f4fc0 (356129) exclusive rwlock pf_lock r = 0 (0xffffffff829bb660) #0 witness_lock+0x44d #1 pfioctl+0x86ce sys/net/pf_ioctl.c:1381 #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 (0xffffffff829701b0) #0 witness_lock+0x44d #1 pfioctl+0x865f sys/net/pf_ioctl.c:1381 #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 (0xffffffff829bb6c0) #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 (0xffffffff82b9a8a8) #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 10221 6594K 7368K 78643K 50816 0 pcb 13 16K 18K 78643K 3093 0 rtable 221 16K 25K 78643K 5341 0 ifaddr 102 27K 29K 78643K 3553 0 sysctl 3 1K 1K 78643K 3 0 counters 58 35K 36K 78643K 558 0 ioctlops 1 4K 4K 78643K 26420 0 iov 0 0K 24K 78643K 2719 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1464 91K 92K 78643K 13874 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 208 0 VM map 2 1K 1K 78643K 2 0 sem 17 10K 20K 78643K 805 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 85K 78643K 24030 0 sigio 0 0K 0K 78643K 350 0 proc 72 91K 128K 78643K 3260 0 subproc 104 6K 6K 78643K 875 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1133 0 in_multi 86 5K 7K 78643K 1274 0 ether_multi 1 0K 0K 78643K 224 0 mrt 1 0K 0K 78643K 345 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 181 811K 811K 78643K 181 0 exec 0 0K 3K 78643K 4692 0 pfkey data 0 0K 0K 78643K 105 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 441 574K 579K 78643K 131603 0 UVM aobj 131 5K 5K 78643K 143 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 998 0 NDP 15 0K 1K 78643K 407 0 temp 163 4771K 4910K 78643K 338146 0 kqueue 12 18K 24K 78643K 1507 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 1756 0 1753 27 26 1 4 0 8 0 rtentry 112 1132 0 1038 4 0 4 4 0 8 0 unpcb 136 14537 0 14522 135 134 1 9 0 8 0 syncache 296 45 0 45 11 11 0 1 0 8 0 tcpqe 32 108 0 108 1 1 0 1 0 8 0 tcpcb 736 7674 0 7670 255 254 1 21 0 8 0 arp 120 166 0 149 1 0 1 1 0 8 0 inpcb 312 19568 0 19561 212 205 7 14 0 8 6 nd6 48 224 0 199 1 0 1 1 0 8 0 pkpcb 40 189 0 189 16 16 0 1 0 8 0 kcovpl 48 66 0 58 1 0 1 1 0 8 0 ppxss 1248 147 0 147 25 25 0 1 0 8 0 pfstscr 40 143 0 142 3 2 1 1 0 8 0 pffrag 232 117 0 117 5 5 0 1 0 482 0 pffrnode 88 117 0 117 5 5 0 1 0 8 0 pffrent 40 267 0 267 5 5 0 1 0 8 0 pfosfp 40 1442 0 1017 5 0 5 5 0 8 0 pfosfpen 112 1442 0 723 21 0 21 21 0 8 0 pfrke_plain 168 74 0 74 2 2 0 1 0 8 0 pfrktable 1344 764 13 761 10 9 1 2 0 8 0 pftag 88 111 0 99 2 1 1 1 0 8 0 pfqueue 264 8 0 8 2 2 0 1 0 8 0 pfstitem 24 39 0 35 1 0 1 1 0 8 0 pfstkey 112 315 0 311 1 0 1 1 0 8 0 pfstate 336 175 0 172 2 1 1 2 0 8 0 pfrule 1360 2752 0 2484 30 4 26 28 0 8 0 rttmrq 48 315 0 311 1 0 1 1 0 8 0 rttmr 72 131 0 131 5 5 0 1 0 8 0 art_heap8 4096 4 0 3 4 3 1 2 0 8 0 art_heap4 256 3979 0 3578 52 26 26 30 0 8 0 art_table 32 3983 0 3581 4 0 4 4 0 8 0 art_node 16 1069 0 986 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 797 0 782 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 32223 0 30710 95 0 95 95 0 8 0 ffsino 272 32223 0 30710 102 0 102 102 0 8 0 nchpl 144 63822 0 62181 63 0 63 63 0 8 0 rtmask 32 148 0 148 2 2 0 1 0 8 0 uvmvnodes 80 6428 0 0 132 0 132 132 0 8 0 vnodes 224 6428 0 0 379 0 379 379 0 8 0 namei 1024 257354 0 257354 8 7 1 2 0 8 1 percpumem 16 291 0 250 1 0 1 1 0 8 0 vcpupl 2048 101 0 2 13 0 13 13 0 8 0 vmpool 560 109 0 10 8 0 8 8 0 8 0 pfiaddrpl 120 350 0 349 12 11 1 1 0 8 0 kstatmem 264 530 0 500 9 6 3 3 0 8 0 scsiplug 72 8 0 8 1 1 0 1 0 8 0 scxspl 216 187815 0 187815 30 29 1 8 0 8 1 plimitpl 152 3150 0 3135 1 0 1 1 0 8 0 sigapl 424 24265 0 24221 10 4 6 8 0 8 0 futexpl 64 239461 0 239458 5 4 1 1 0 8 0 knotepl 120 1286 0 0 17 0 17 17 0 8 0 kqueuepl 216 4994 0 4985 102 101 1 5 0 8 0 pipepl 336 4573 0 4545 125 122 3 8 0 8 0 fdescpl 496 24206 0 24180 5 1 4 5 0 8 0 filepl 152 175931 0 175684 237 223 14 22 0 8 1 lockfpl 104 6869 0 6867 15 14 1 3 0 8 0 lockfspl 48 1834 0 1832 1 0 1 1 0 8 0 sessionpl 144 87 0 70 1 0 1 1 0 8 0 pgrppl 48 148 0 131 1 0 1 1 0 8 0 ucredpl 96 17112 0 17095 1 0 1 1 0 8 0 zombiepl 144 24223 0 24221 2 1 1 1 0 8 0 processpl 1064 24265 0 24221 5 0 5 5 0 8 0 procpl 672 60800 0 60743 17 11 6 9 0 8 0 srpgc 96 50 0 50 19 19 0 1 0 8 0 sosppl 168 163 0 163 30 30 0 1 0 8 0 sockpl 480 36060 0 36035 645 633 12 34 0 8 8 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 438 0 0 30 9 21 30 0 8 0 mtagpl 96 1155 0 0 20 0 20 20 0 8 0 mbufpl 256 1570 0 0 69 1 68 69 0 8 0 bufpl 288 39600 0 33171 460 0 460 460 0 8 0 anonpl 24 4480127 0 4461705 418 274 144 190 0 186 21 amapchunkpl 152 384468 0 383758 141 110 31 60 0 158 0 amappl16 200 62269 0 61602 238 189 49 49 0 8 12 amappl15 192 3977 0 3975 1 0 1 1 0 8 0 amappl14 184 3239 0 3232 1 0 1 1 0 8 0 amappl13 176 3285 0 3283 1 0 1 1 0 8 0 amappl12 168 1514 0 1511 5 4 1 1 0 8 0 amappl11 160 7061 0 7039 2 0 2 2 0 8 0 amappl10 152 1750 0 1739 1 0 1 1 0 8 0 amappl9 144 2875 0 2871 1 0 1 1 0 8 0 amappl8 136 3702 0 3554 7 1 6 6 0 8 0 amappl7 128 2018 0 2007 1 0 1 1 0 8 0 amappl6 120 3029 0 3006 2 1 1 2 0 8 0 amappl5 112 20097 0 20080 1 0 1 1 0 8 0 amappl4 104 12317 0 12279 2 0 2 2 0 8 0 amappl3 96 71612 0 71568 2 0 2 2 0 8 0 amappl2 88 29464 0 29399 3 1 2 3 0 8 0 amappl1 80 563992 0 563378 25 9 16 20 0 8 0 amappl 88 129638 0 129420 7 1 6 6 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 24315 0 24190 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 24315 0 24190 1 0 1 1 0 8 0 vmmpekpl 168 162200 0 162131 4 0 4 4 0 8 0 vmmpepl 168 2331997 0 2329227 325 174 151 162 0 357 2 vmsppl 368 24314 0 24190 13 1 12 12 0 8 0 rwobjpl 56 548346 0 539989 149 26 123 123 0 8 3 pdppl 4096 48637 0 48479 766 598 168 170 0 8 10 pvpl 32 8882176 0 8858833 822 586 236 327 0 265 33 pmappl 248 24314 0 24190 10 1 9 9 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2252 0 1233 30 0 30 30 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82b217a0,ffff800000d78800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000d78c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000e02258,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd604404,ffff800000bea000,3,ffff8000211f4fc0) at pfioctl+0x9549 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd604404,ffff800000bea000,3,ffff8000211f4fc0) at pfioctl+0x9549 sys/net/pf_ioctl.c:1428 VOP_IOCTL(fffffd806f687b88,cd604404,ffff800000bea000,3,fffffd807f7d76c0,ffff8000211f4fc0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077916690,cd604404,ffff800000bea000,ffff8000211f4fc0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211f4fc0,ffff800027add4a8,ffff800027add500) at sys_ioctl+0x4a2 syscall(ffff800027add570) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027add570) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd4db8a3a20, 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