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(ffffffff82b4ac88,ffff800000c29800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c29c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c438a8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c03000,3,ffff80002e35fa48) at pfioctl+0x8f71 pf_addr_setup sys/net/pf_ioctl.c:896 [inline] pfioctl(4900,cd60441a,ffff800000c03000,3,ffff80002e35fa48) at pfioctl+0x8f71 sys/net/pf_ioctl.c:1661 VOP_IOCTL(fffffd806f68d728,cd60441a,ffff800000c03000,3,fffffd807f7d86c0,ffff80002e35fa48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80663fed28,cd60441a,ffff800000c03000,ffff80002e35fa48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e35fa48,ffff80002e3f34f8,ffff80002e3f3550) at sys_ioctl+0x4a2 syscall(ffff80002e3f35c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3f35c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x484ac0cb5e0, count: -9 ddb{0}> show registers rdi 0xffff8000260ad000 rsi 0x1899 __ALIGN_SIZE+0x899 rbp 0xffff80002e3f2fd0 rbx 0xffffffff82b4ac88 pf_anchors rdx 0xffff8000260ad000 rcx 0x1898 __ALIGN_SIZE+0x898 rax 0xffffffff81db254b pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0x8afc8d43b0d9811f r11 0x8480664f1d61d750 r12 0x8a61e2ab3aced93 r13 0xffffffff82b4ac90 pf_main_anchor r14 0xffff800000c29800 r15 0xdeaf007fdeafbead rip 0xffffffff81db2578 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002e3f2f80 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.3) pid=83504 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff80002e35f508,0xffffffff82b3bf18 process=0xffff80002e3c0870 user=0xffff80002e3ee000, vmspace=0xfffffd8008736450 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56372 478981 23375 0 2 0 syz-executor.3 *56372 83504 23375 0 7 0x4000000 syz-executor.3 96185 272872 29833 0 2 0 syz-executor.4 96185 165938 29833 0 3 0x4000080 fsleep syz-executor.4 64612 416769 33472 0 2 0x81000 syz-executor.0 64612 377113 33472 0 3 0x4003000 suspend syz-executor.0 47778 7520 32683 0 2 0 syz-executor.6 31211 102640 77217 0 2 0 syz-executor.2 31211 35964 77217 0 3 0x4000080 wsevent_read syz-executor.2 31211 120144 77217 0 3 0x4000080 wsevent_read syz-executor.2 86433 276779 14791 0 2 0 syz-executor.5 86433 474027 14791 0 3 0x4000080 fsleep syz-executor.5 32022 485848 49819 0 2 0 syz-executor.7 32022 401451 49819 0 3 0x4000080 fsleep syz-executor.7 25562 57343 40239 0 2 0 syz-executor.1 25562 58097 40239 0 3 0x4000080 fsleep syz-executor.1 57779 482791 0 0 3 0x14200 acct acct 32683 330551 26217 0 3 0x82 nanoslp syz-executor.6 14233 45744 0 0 3 0x14280 nfsidl nfsio 14912 149695 0 0 3 0x14280 nfsidl nfsio 82364 116795 0 0 3 0x14280 nfsidl nfsio 89176 395675 0 0 3 0x14280 nfsidl nfsio 20944 109049 0 0 3 0x14280 nfsidl nfsio 65550 431043 0 0 3 0x14280 nfsidl nfsio 92664 108831 0 0 3 0x14280 nfsidl nfsio 83596 188759 0 0 3 0x14280 nfsidl nfsio 27875 120164 0 0 3 0x14280 nfsidl nfsio 1076 329118 0 0 3 0x14280 nfsidl nfsio 88191 16351 0 0 3 0x14280 nfsidl nfsio 56632 22419 0 0 3 0x14280 nfsidl nfsio 62977 239572 0 0 3 0x14280 nfsidl nfsio 7145 41022 0 0 3 0x14280 nfsidl nfsio 37228 340831 0 0 3 0x14280 nfsidl nfsio 28143 87152 0 0 3 0x14280 nfsidl nfsio 1352 229243 0 0 3 0x14280 nfsidl nfsio 68831 75965 0 0 3 0x14280 nfsidl nfsio 42798 399710 0 0 3 0x14280 nfsidl nfsio 56780 449727 0 0 3 0x14280 nfsidl nfsio 65204 448103 0 0 3 0x14200 bored sosplice 49819 283341 26217 0 3 0x82 nanoslp syz-executor.7 29833 20528 26217 0 3 0x82 nanoslp syz-executor.4 14791 306257 26217 0 3 0x82 nanoslp syz-executor.5 23375 457764 26217 0 3 0x82 nanoslp syz-executor.3 77217 2470 26217 0 3 0x82 nanoslp syz-executor.2 40239 405721 26217 0 3 0x82 nanoslp syz-executor.1 33472 395229 26217 0 3 0x82 nanoslp syz-executor.0 26217 214345 81054 0 3 0x82 thrsleep syz-fuzzer 26217 167017 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 512535 81054 0 3 0x4000082 kqread syz-fuzzer 26217 389134 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 236852 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 312818 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 51443 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 413656 81054 0 3 0x4000082 thrsleep syz-fuzzer 26217 71557 81054 0 3 0x4000082 thrsleep syz-fuzzer 81054 45071 75533 0 3 0x10008a sigsusp ksh 75533 283916 6431 0 3 0x9a kqread sshd 2128 15613 1 0 3 0x100083 ttyin getty 6431 133163 1 0 3 0x88 kqread sshd 88544 326371 7482 74 3 0x1100092 bpf pflogd 7482 417531 1 0 3 0x80 netio pflogd 14657 273733 98142 73 3 0x1100090 kqread syslogd 98142 210751 1 0 3 0x100082 netio syslogd 41546 120714 1 0 3 0x100080 kqread resolvd 7378 8710 15723 77 3 0x100092 kqread dhcpleased 38720 505033 15723 77 3 0x100092 kqread dhcpleased 15723 9847 1 0 3 0x80 kqread dhcpleased 15066 204868 0 0 3 0x14200 bored smr 43144 36561 0 0 2 0x14200 zerothread 58506 176325 0 0 3 0x14200 aiodoned aiodoned 6061 108391 0 0 3 0x14200 syncer update 21850 374231 0 0 3 0x14200 cleaner cleaner 97983 200914 0 0 3 0x14200 reaper reaper 35702 123725 0 0 3 0x14200 pgdaemon pagedaemon 72174 35948 0 0 3 0x14200 bored viomb 41378 427376 0 0 3 0x40014200 acpi0 acpi0 94035 444059 0 0 7 0x40014200 idle1 63183 192899 0 0 3 0x14200 bored softnet 84736 282663 0 0 3 0x14200 bored systqmp 69847 75064 0 0 3 0x14200 bored systq 75319 349371 0 0 3 0x40014200 bored softclock 2406 523155 0 0 3 0x40014200 idle0 1 228471 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 56372 (syz-executor.3) thread 0xffff80002e35fa48 (83504) exclusive rwlock pf_lock r = 0 (0xffffffff829b2180) #0 witness_lock+0x44d #1 pfioctl+0x5be8 sys/net/pf_ioctl.c:1610 #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 (0xffffffff829104c0) #0 witness_lock+0x44d #1 pfioctl+0x3708 sys/net/pf_ioctl.c:1610 #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 (0xffffffff829b21e0) #0 witness_lock+0x44d #1 pfioctl+0x15e sys/net/pf_ioctl.c:1150 #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 (0xffffffff82b4a208) #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 10189 6548K 6797K 78643K 12539 0 pcb 13 13K 15K 78643K 205 0 rtable 215 7K 9K 78643K 606 0 ifaddr 90 18K 19K 78643K 196 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 74 0 ioctlops 1 4K 4K 78643K 1698 0 iov 0 0K 12K 78643K 85 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1336 83K 84K 78643K 2145 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 39 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 77K 78643K 1124 0 sigio 0 0K 0K 78643K 3 0 proc 69 87K 124K 78643K 703 0 subproc 104 6K 6K 78643K 182 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 36 0 in_multi 88 6K 6K 78643K 209 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 2K 78643K 1023 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 344 92K 94K 78643K 14384 0 UVM aobj 26 2K 2K 78643K 32 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 95 0 NDP 12 0K 1K 78643K 54 0 temp 108 4708K 4773K 78643K 15189 0 kqueue 12 18K 22K 78643K 90 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 54 0 51 1 0 1 1 0 8 0 rtentry 112 198 0 103 4 0 4 4 0 8 0 unpcb 136 575 0 558 12 6 6 6 0 8 5 syncache 296 7 0 7 2 1 1 1 0 8 1 tcpqe 32 142 0 142 2 1 1 1 0 8 1 tcpcb 736 651 0 639 29 27 2 17 0 8 0 arp 120 31 0 13 1 0 1 1 0 8 0 inpcb 312 1325 0 1314 19 17 2 11 0 8 1 nd6 48 48 0 26 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1248 3 0 3 1 1 0 1 0 8 0 pfstscr 40 4 0 4 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 8 0 7 2 1 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 15 1 12 1 0 1 1 0 8 0 pftag 88 8 0 6 1 0 1 1 0 8 0 pfstitem 24 39 0 29 1 0 1 1 0 8 0 pfstkey 112 43 0 33 1 0 1 1 0 8 0 pfstate 320 43 0 33 3 0 3 3 0 8 0 pfrule 1360 48 0 28 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 866 0 461 29 3 26 29 0 8 0 art_table 32 867 0 461 4 0 4 4 0 8 0 art_node 16 197 0 112 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 5 1 0 1 1 0 8 0 semapl 112 37 0 27 1 0 1 1 0 8 0 shmpl 112 29 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3037 0 1596 91 0 91 91 0 8 0 ffsino 272 3037 0 1596 97 0 97 97 0 8 0 nchpl 144 4560 0 2911 63 0 63 63 0 8 0 uvmvnodes 80 3521 0 0 72 0 72 72 0 8 0 vnodes 224 3521 0 0 208 0 208 208 0 8 0 namei 1024 17066 0 17066 3 2 1 2 0 8 1 percpumem 16 49 0 9 1 0 1 1 0 8 0 vmpool 560 1 0 1 1 1 0 1 0 8 0 pfiaddrpl 120 4 0 3 2 1 1 1 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 12665 0 12665 11 10 1 8 0 8 1 plimitpl 152 145 0 130 1 0 1 1 0 8 0 sigapl 424 1439 0 1372 8 0 8 8 0 8 0 futexpl 64 8594 0 8590 1 0 1 1 0 8 0 knotepl 120 381 0 0 11 0 11 11 0 8 0 kqueuepl 216 160 0 152 1 0 1 1 0 8 0 pipepl 336 248 0 220 6 3 3 6 0 8 0 fdescpl 496 1401 0 1370 5 1 4 5 0 8 0 filepl 152 9318 0 9067 26 11 15 19 0 8 5 lockfpl 104 493 0 491 2 1 1 2 0 8 0 lockfspl 48 125 0 123 1 0 1 1 0 8 0 sessionpl 144 30 0 13 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 96 2613 0 2601 1 0 1 1 0 8 0 zombiepl 144 1373 0 1372 1 0 1 1 0 8 0 processpl 1064 1439 0 1372 5 0 5 5 0 8 0 procpl 672 3191 0 3108 11 2 9 9 0 8 1 srpgc 96 10 0 10 2 2 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 480 1958 0 1927 52 40 12 25 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 15 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 197 0 0 24 0 24 24 0 8 0 mtagpl 96 122 0 0 3 0 3 3 0 8 0 mbufpl 256 401 0 0 23 0 23 23 0 8 0 bufpl 288 5046 0 154 350 0 350 350 0 8 0 anonpl 24 348836 0 328613 157 24 133 139 0 186 9 amapchunkpl 152 34956 0 34060 46 6 40 42 0 158 5 amappl16 200 4227 0 3621 55 17 38 43 0 8 6 amappl15 192 219 0 214 1 0 1 1 0 8 0 amappl14 184 143 0 139 1 0 1 1 0 8 0 amappl13 176 257 0 252 1 0 1 1 0 8 0 amappl12 168 243 0 236 1 0 1 1 0 8 0 amappl11 160 242 0 221 1 0 1 1 0 8 0 amappl10 152 113 0 106 1 0 1 1 0 8 0 amappl9 144 658 0 651 1 0 1 1 0 8 0 amappl8 136 703 0 640 3 0 3 3 0 8 0 amappl7 128 150 0 138 1 0 1 1 0 8 0 amappl6 120 405 0 389 2 1 1 2 0 8 0 amappl5 112 808 0 789 1 0 1 1 0 8 0 amappl4 104 1246 0 1219 2 1 1 2 0 8 0 amappl3 96 1017 0 985 1 0 1 1 0 8 0 amappl2 88 904 0 852 3 1 2 3 0 8 0 amappl1 80 29234 0 28579 20 6 14 20 0 8 0 amappl 88 13813 0 13558 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 31 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1402 0 1371 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1402 0 1371 1 0 1 1 0 8 0 vmmpekpl 168 14511 0 14458 3 0 3 3 0 8 0 vmmpepl 168 136203 0 133443 173 44 129 157 0 357 9 vmsppl 368 1401 0 1371 4 1 3 4 0 8 0 rwobjpl 56 36950 0 31735 74 0 74 74 0 8 0 pdppl 4096 2811 0 2742 155 86 69 75 0 8 0 pvpl 32 730854 0 705918 281 65 216 257 0 265 14 pmappl 248 1401 0 1371 3 1 2 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 846 0 142 21 0 21 21 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82b4ac88,ffff800000c29800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c29c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c438a8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c03000,3,ffff80002e35fa48) at pfioctl+0x8f71 pf_addr_setup sys/net/pf_ioctl.c:896 [inline] pfioctl(4900,cd60441a,ffff800000c03000,3,ffff80002e35fa48) at pfioctl+0x8f71 sys/net/pf_ioctl.c:1661 VOP_IOCTL(fffffd806f68d728,cd60441a,ffff800000c03000,3,fffffd807f7d86c0,ffff80002e35fa48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80663fed28,cd60441a,ffff800000c03000,ffff80002e35fa48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e35fa48,ffff80002e3f34f8,ffff80002e3f3550) at sys_ioctl+0x4a2 syscall(ffff80002e3f35c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3f35c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x484ac0cb5e0, 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