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(ffffffff829c92e0,ffff800000cfc000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000cfc490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000b9f2b8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be5000,3,ffff8000246417a8) at pfioctl+0x84eb pf_addr_setup sys/net/pf_ioctl.c:892 [inline] pfioctl(4900,cd60441a,ffff800000be5000,3,ffff8000246417a8) at pfioctl+0x84eb sys/net/pf_ioctl.c:1646 VOP_IOCTL(fffffd806f7baaa8,cd60441a,ffff800000be5000,3,fffffd807f7d8540,ffff8000246417a8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806327f098,cd60441a,ffff800000be5000,ffff8000246417a8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000246417a8,ffff800025ec49e8,ffff800025ec4a40) at sys_ioctl+0x4a2 syscall(ffff800025ec4ab0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800025ec4ab0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8938c0a70, count: -9 ddb{0}> show registers rdi 0xffff800024697000 rsi 0x128f __ALIGN_SIZE+0x28f rbp 0xffff800025ec44d0 rbx 0xffffffff829c92e0 pf_anchors rdx 0xffff800024697000 rcx 0x128e __ALIGN_SIZE+0x28e rax 0xffffffff81222c6b pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0x638fe8f127690279 r11 0x81081d745bd1316f r12 0x323d483967b9537c r13 0xffffffff829c92e8 pf_main_anchor r14 0xffff800000cfc000 r15 0xdead007fdeadbeef rip 0xffffffff81222c98 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800025ec4480 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.5) pid=228518 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800024640548,0xffff8000246407f8 process=0xffff8000ffff14e8 user=0xffff800025ebf000, vmspace=0xfffffd805b5ede78 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 60629 247432 84259 0 2 0 syz-executor.7 60629 371549 84259 0 3 0x4000080 fsleep syz-executor.7 60629 363760 84259 0 3 0x4000080 fsleep syz-executor.7 60629 500052 84259 0 3 0x4000080 fsleep syz-executor.7 66184 394751 72379 0 2 0 syz-executor.1 66184 123175 72379 0 3 0x4000080 fsleep syz-executor.1 12783 508408 8914 0 2 0 syz-executor.2 12783 252213 8914 0 3 0x4000080 fsleep syz-executor.2 74530 288939 83285 0 2 0 syz-executor.6 74530 229189 83285 0 3 0x4000080 fsleep syz-executor.6 25759 284250 91709 0 2 0 syz-executor.5 *25759 228518 91709 0 7 0x4000000 syz-executor.5 22990 359110 65004 0 2 0 syz-executor.0 22990 381672 65004 0 3 0x4000080 fsleep syz-executor.0 34339 292842 12897 0 2 0 syz-executor.3 88102 147782 19717 0 2 0 syz-executor.4 88102 247945 19717 0 3 0x4000080 fsleep syz-executor.4 8914 27034 54819 0 3 0x82 nanoslp syz-executor.2 12897 334285 54819 0 2 0x2 syz-executor.3 91709 54968 54819 0 3 0x82 nanoslp syz-executor.5 84259 268273 54819 0 3 0x82 nanoslp syz-executor.7 83285 351066 54819 0 3 0x82 nanoslp syz-executor.6 72379 364865 54819 0 3 0x82 nanoslp syz-executor.1 19717 505612 54819 0 3 0x82 nanoslp syz-executor.4 65004 410123 54819 0 3 0x82 nanoslp syz-executor.0 42183 375397 1 0 3 0x100083 ttyin getty 39102 94576 0 0 3 0x14200 acct acct 95558 54010 0 0 3 0x14280 nfsidl nfsio 758 124610 0 0 3 0x14280 nfsidl nfsio 92928 522449 0 0 3 0x14280 nfsidl nfsio 94408 295507 0 0 3 0x14280 nfsidl nfsio 83380 218667 0 0 3 0x14280 nfsidl nfsio 49354 511026 0 0 3 0x14280 nfsidl nfsio 19973 222153 0 0 3 0x14280 nfsidl nfsio 96532 62796 0 0 3 0x14280 nfsidl nfsio 74586 421869 0 0 3 0x14280 nfsidl nfsio 82378 15884 0 0 3 0x14280 nfsidl nfsio 23114 23517 0 0 3 0x14280 nfsidl nfsio 11327 229454 0 0 3 0x14280 nfsidl nfsio 64431 200422 0 0 3 0x14280 nfsidl nfsio 19382 409919 0 0 3 0x14280 nfsidl nfsio 24466 374838 0 0 3 0x14280 nfsidl nfsio 9853 155129 0 0 3 0x14280 nfsidl nfsio 17055 85137 0 0 3 0x14280 nfsidl nfsio 91059 141595 0 0 3 0x14280 nfsidl nfsio 30649 283815 0 0 3 0x14280 nfsidl nfsio 71288 338928 0 0 3 0x14280 nfsidl nfsio 73600 224112 0 0 3 0x14200 bored sosplice 54819 274904 83175 0 3 0x82 thrsleep syz-fuzzer 54819 68733 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 234041 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 509644 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 46723 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 201032 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 477499 83175 0 3 0x4000082 kqread syz-fuzzer 54819 457860 83175 0 3 0x4000082 thrsleep syz-fuzzer 54819 457595 83175 0 3 0x4000082 thrsleep syz-fuzzer 83175 349708 65165 0 3 0x10008a sigsusp ksh 65165 65328 56066 0 3 0x9a kqread sshd 56066 103946 1 0 3 0x88 kqread sshd 24459 437826 3711 74 3 0x1100092 bpf pflogd 3711 416006 1 0 3 0x80 netio pflogd 60008 392537 97993 73 3 0x1100090 kqread syslogd 97993 491966 1 0 3 0x100082 netio syslogd 17617 54044 1 0 3 0x100080 kqread resolvd 89713 482746 59297 77 3 0x100092 kqread dhcpleased 34488 504732 59297 77 3 0x100092 kqread dhcpleased 59297 486740 1 0 3 0x80 kqread dhcpleased 40859 351736 0 0 3 0x14200 bored smr 88647 271420 0 0 2 0x14200 zerothread 44616 351570 0 0 3 0x14200 aiodoned aiodoned 93273 42543 0 0 3 0x14200 syncer update 70551 20813 0 0 3 0x14200 cleaner cleaner 69009 448126 0 0 3 0x14200 reaper reaper 92787 408294 0 0 3 0x14200 pgdaemon pagedaemon 44303 425029 0 0 3 0x14200 bored viomb 59080 289671 0 0 3 0x40014200 acpi0 acpi0 15147 158948 0 0 7 0x40014200 idle1 74515 378784 0 0 3 0x14200 bored softnet 61234 404714 0 0 3 0x14200 bored systqmp 78593 265471 0 0 3 0x14200 bored systq 70547 44984 0 0 3 0x40014200 bored softclock 76761 362790 0 0 3 0x40014200 idle0 1 55868 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 25759 (syz-executor.5) thread 0xffff8000246417a8 (228518) exclusive rwlock pf_lock r = 0 (0xffffffff829ac890) #0 witness_lock+0x44d #1 pfioctl+0x5b38 sys/net/pf_ioctl.c:1601 #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 (0xffffffff8295ec00) #0 witness_lock+0x44d #1 pfioctl+0x3690 sys/net/pf_ioctl.c:1601 #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 (0xffffffff829cd168) #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 10232 6815K 10586K 78643K 56828 0 pcb 13 18K 23K 78643K 1381 0 rtable 211 9K 10K 78643K 2789 0 ifaddr 92 22K 24K 78643K 1334 0 sysctl 2 0K 0K 78643K 6 0 counters 56 35K 36K 78643K 334 0 ioctlops 1 4K 4K 78643K 3674 0 iov 0 0K 32K 78643K 1627 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1454 91K 92K 78643K 14276 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 101 0 VM map 2 1K 1K 78643K 2 0 sem 19 6K 11K 78643K 377 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 89K 78643K 11670 0 sigio 0 0K 0K 78643K 273 0 proc 71 87K 124K 78643K 1877 0 subproc 104 6K 6K 78643K 476 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1120 0 in_multi 88 5K 6K 78643K 683 0 ether_multi 1 0K 0K 78643K 85 0 mrt 1 0K 0K 78643K 49 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 193 864K 864K 78643K 193 0 exec 0 0K 2K 78643K 2625 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 556 855K 860K 78643K 144906 0 UVM aobj 131 8K 8K 78643K 143 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 347 0 NDP 13 0K 2K 78643K 248 0 temp 149 4739K 4825K 78643K 113964 0 kqueue 12 18K 26K 78643K 727 0 SYN cache 2 8K 16K 78643K 3 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 120 718 0 715 12 11 1 5 0 8 0 rtentry 112 600 0 510 4 1 3 4 0 8 0 unpcb 136 7280 0 7265 83 81 2 9 0 8 1 syncache 296 39 0 39 9 9 0 1 0 8 0 tcpqe 32 71 56 71 1 1 0 1 0 8 0 tcpcb 736 3779 0 3771 132 129 3 15 0 8 1 arp 120 87 0 71 1 0 1 1 0 8 0 inpcb 304 9823 0 9812 146 137 9 16 0 8 8 rttmr 72 12 0 12 4 4 0 1 0 8 0 nd6 48 134 0 113 1 0 1 1 0 8 0 pkpcb 40 27 0 27 7 6 1 1 0 8 1 kcovpl 48 36 0 28 1 0 1 1 0 8 0 ppxss 1248 65 0 65 13 13 0 1 0 8 0 pfstscr 40 142 0 142 9 9 0 1 0 8 0 pffrag 232 54 0 52 6 5 1 1 0 482 0 pffrnode 88 54 0 52 6 5 1 1 0 8 0 pffrent 40 125 0 123 8 7 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 198 260 195 2 1 1 1 0 8 0 pftag 88 86 0 79 2 1 1 1 0 8 0 pfqueue 264 3 0 3 1 1 0 1 0 8 0 pfstitem 24 53 0 51 1 0 1 1 0 8 0 pfstkey 112 381 0 379 1 0 1 1 0 8 0 pfstate 320 206 0 204 2 1 1 2 0 8 0 pfrule 1360 595 0 590 7 2 5 5 0 8 3 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2362 0 1945 44 17 27 29 0 8 0 art_table 32 2363 0 1945 4 0 4 4 0 8 0 art_node 16 560 0 480 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 361 0 344 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 17760 0 16296 92 0 92 92 0 8 0 ffsino 272 17760 0 16296 98 0 98 98 0 8 0 nchpl 144 33396 0 31772 63 1 62 63 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 123691 0 123691 3 2 1 2 0 8 1 percpumem 16 179 0 139 1 0 1 1 0 8 0 vcpupl 2048 151 0 0 19 0 19 19 0 8 0 vmpool 560 202 0 51 12 1 11 11 0 8 0 pfiaddrpl 120 194 0 193 2 1 1 1 0 8 0 scxspl 216 89897 0 89897 15 14 1 8 0 8 1 plimitpl 152 1451 0 1436 1 0 1 1 0 8 0 sigapl 424 11956 0 11889 11 3 8 8 0 8 0 futexpl 64 116347 0 116339 1 0 1 1 0 8 0 knotepl 120 652 0 0 9 1 8 9 0 8 0 kqueuepl 216 2133 0 2125 35 34 1 5 0 8 0 pipepl 336 2908 0 2880 73 69 4 9 0 8 1 fdescpl 496 11900 0 11869 6 1 5 5 0 8 0 filepl 152 83800 0 83552 161 146 15 23 0 8 4 lockfpl 104 15550 0 15544 36 34 2 4 0 8 1 lockfspl 48 7038 0 7032 6 5 1 2 0 8 0 sessionpl 144 54 0 37 1 0 1 1 0 8 0 pgrppl 48 90 0 73 1 0 1 1 0 8 0 ucredpl 96 10770 0 10757 1 0 1 1 0 8 0 zombiepl 144 11889 0 11889 2 1 1 1 0 8 1 processpl 1064 11956 0 11889 5 0 5 5 0 8 0 procpl 672 30182 0 30098 20 12 8 9 0 8 0 srpgc 96 34 0 34 12 12 0 1 0 8 0 sosppl 168 80 0 80 14 14 0 1 0 8 0 sockpl 480 17927 0 17896 468 455 13 37 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 18 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 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 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 320 0 0 22 0 22 22 0 8 0 mtagpl 96 2142 0 0 44 0 44 44 0 8 0 mbufpl 256 2360 0 0 123 0 123 123 0 8 0 bufpl 288 21397 0 15061 453 0 453 453 0 8 0 anonpl 24 3375789 0 3358094 322 172 150 160 0 186 12 amapchunkpl 152 347586 0 346678 83 44 39 47 0 158 1 amappl16 200 38847 0 38153 220 175 45 61 0 8 7 amappl15 192 2990 0 2983 1 0 1 1 0 8 0 amappl14 184 1160 0 1152 1 0 1 1 0 8 0 amappl13 176 707 0 704 1 0 1 1 0 8 0 amappl12 168 3208 0 3202 2 1 1 1 0 8 0 amappl11 160 174 0 159 1 0 1 1 0 8 0 amappl10 152 1511 0 1503 1 0 1 1 0 8 0 amappl9 144 2648 0 2645 1 0 1 1 0 8 0 amappl8 136 1748 0 1633 5 0 5 5 0 8 1 amappl7 128 646 0 633 1 0 1 1 0 8 0 amappl6 120 2485 0 2456 2 1 1 2 0 8 0 amappl5 112 10497 0 10475 1 0 1 1 0 8 0 amappl4 104 2328 0 2292 2 0 2 2 0 8 0 amappl3 96 4125 0 4110 1 0 1 1 0 8 0 amappl2 88 3812 0 3755 3 1 2 3 0 8 0 amappl1 80 209371 0 208768 19 5 14 19 0 8 0 amappl 88 143652 0 143316 9 1 8 8 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 12102 0 11920 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12102 0 11920 2 0 2 2 0 8 0 vmmpekpl 168 83070 0 82987 5 1 4 4 0 8 0 vmmpepl 168 1074528 0 1071381 352 180 172 172 0 357 32 vmsppl 368 12101 0 11920 19 2 17 17 0 8 0 rwobjpl 56 261626 0 253734 140 24 116 117 0 8 0 pdppl 4096 24211 0 23991 673 453 220 222 0 8 0 pvpl 32 5522354 0 5500019 542 303 239 252 0 265 26 pmappl 248 12101 0 11920 12 0 12 12 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1775 0 676 32 0 32 32 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff829c92e0,ffff800000cfc000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000cfc490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000b9f2b8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be5000,3,ffff8000246417a8) at pfioctl+0x84eb pf_addr_setup sys/net/pf_ioctl.c:892 [inline] pfioctl(4900,cd60441a,ffff800000be5000,3,ffff8000246417a8) at pfioctl+0x84eb sys/net/pf_ioctl.c:1646 VOP_IOCTL(fffffd806f7baaa8,cd60441a,ffff800000be5000,3,fffffd807f7d8540,ffff8000246417a8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806327f098,cd60441a,ffff800000be5000,ffff8000246417a8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000246417a8,ffff800025ec49e8,ffff800025ec4a40) at sys_ioctl+0x4a2 syscall(ffff800025ec4ab0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800025ec4ab0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8938c0a70, 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