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(ffffffff82a089f0,ffff800000d65000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000d65490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000ebdcb8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000ba2000,3,ffff8000ffff7a50) at pfioctl+0x8eb7 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000ba2000,3,ffff8000ffff7a50) at pfioctl+0x8eb7 sys/net/pf_ioctl.c:1656 VOP_IOCTL(fffffd806f675aa8,cd60441a,ffff800000ba2000,3,fffffd807f7d7720,ffff8000ffff7a50) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806fbcc8e8,cd60441a,ffff800000ba2000,ffff8000ffff7a50) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000ffff7a50,ffff80002e3e0258,ffff80002e3e02b0) at sys_ioctl+0x4a2 syscall(ffff80002e3e0320) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3e0320) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x844ceafe320, count: -9 ddb{0}> show registers rdi 0xffffffff82a089f0 pf_anchors rsi 0xffff800000d65000 rbp 0xffff80002e3dfd30 rbx 0xffffffff82a089f0 pf_anchors rdx 0 rcx 0xfffffd8003592140 rax 0xffff8000ffff7a50 r8 0x400 r9 0x8080808080808080 r10 0x635c2d054870a1b9 r11 0x49b9146cc2c880f1 r12 0xc096553fc463cd37 r13 0xffffffff82a089f8 pf_main_anchor r14 0xffff800000d65000 r15 0xdeaf007fdeafbead rip 0xffffffff8127a898 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002e3dfce0 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.4) pid=245134 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000211817a0,0xffffffff82a6fc18 process=0xffff800027af50b8 user=0xffff80002e3db000, vmspace=0xfffffd80644168c0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82883 266845 47399 0 7 0 syz-executor.4 *82883 245134 47399 0 7 0x4000000 syz-executor.4 22013 12209 18281 0 2 0 syz-executor.0 22013 39286 18281 0 3 0x4000080 fsleep syz-executor.0 80532 195119 21266 0 2 0 syz-executor.2 80532 306312 21266 0 2 0x4000000 syz-executor.2 80532 7356 21266 0 3 0x4000080 fsleep syz-executor.2 57426 66771 59960 0 2 0x81000 syz-executor.5 57426 305890 59960 0 3 0x4003000 suspend syz-executor.5 17535 103186 11543 0 2 0 syz-executor.7 17535 140559 11543 0 2 0x4000000 syz-executor.7 17535 172189 11543 0 3 0x4000080 fsleep syz-executor.7 41222 406146 4449 0 2 0 syz-executor.1 41222 377394 4449 0 2 0x4000000 syz-executor.1 772 287638 26441 0 2 0x81000 syz-executor.3 772 265830 26441 0 3 0x4003000 suspend syz-executor.3 15039 31249 74699 0 2 0 syz-executor.6 15039 388834 74699 0 3 0x4000080 fsleep syz-executor.6 74699 137255 17917 0 2 0x2 syz-executor.6 7663 194750 0 0 3 0x14280 nfsidl nfsio 74029 60295 0 0 3 0x14280 nfsidl nfsio 7816 141705 0 0 3 0x14280 nfsidl nfsio 33903 188740 0 0 3 0x14280 nfsidl nfsio 65808 181471 0 0 3 0x14280 nfsidl nfsio 73836 244708 0 0 3 0x14280 nfsidl nfsio 22356 459076 0 0 3 0x14280 nfsidl nfsio 47820 45142 0 0 3 0x14280 nfsidl nfsio 1200 179302 0 0 3 0x14280 nfsidl nfsio 47422 55345 0 0 3 0x14280 nfsidl nfsio 14133 13696 0 0 3 0x14280 nfsidl nfsio 66681 218762 0 0 3 0x14280 nfsidl nfsio 39325 156457 0 0 3 0x14280 nfsidl nfsio 78433 276857 0 0 3 0x14280 nfsidl nfsio 11736 286956 0 0 3 0x14280 nfsidl nfsio 29799 445287 0 0 3 0x14280 nfsidl nfsio 17725 4907 0 0 3 0x14280 nfsidl nfsio 45274 145928 0 0 3 0x14280 nfsidl nfsio 83155 375458 0 0 3 0x14280 nfsidl nfsio 86663 85142 0 0 3 0x14280 nfsidl nfsio 26441 515173 17917 0 3 0x82 nanoslp syz-executor.3 47399 259401 17917 0 3 0x82 nanoslp syz-executor.4 65031 217806 1 0 3 0x100083 ttyin getty 21266 276107 17917 0 3 0x82 nanoslp syz-executor.2 18281 468550 17917 0 3 0x82 nanoslp syz-executor.0 11543 485992 17917 0 3 0x82 nanoslp syz-executor.7 65418 167859 0 0 3 0x14200 bored sosplice 59960 279825 17917 0 3 0x82 nanoslp syz-executor.5 4449 322073 17917 0 3 0x82 nanoslp syz-executor.1 17917 149625 25991 0 3 0x82 thrsleep syz-fuzzer 17917 219991 25991 0 3 0x4000082 thrsleep syz-fuzzer 17917 6246 25991 0 3 0x4000082 thrsleep syz-fuzzer 17917 124580 25991 0 3 0x4000082 thrsleep syz-fuzzer 17917 391676 25991 0 3 0x4000082 thrsleep syz-fuzzer 17917 420371 25991 0 3 0x4000082 thrsleep syz-fuzzer 17917 474588 25991 0 3 0x4000082 kqread syz-fuzzer 17917 514549 25991 0 3 0x4000082 thrsleep syz-fuzzer 25991 318943 84491 0 3 0x10008a sigsusp ksh 84491 305675 88959 0 3 0x9a kqread sshd 88959 204027 1 0 3 0x88 kqread sshd 13368 285857 72936 74 3 0x1100092 bpf pflogd 72936 60455 1 0 3 0x80 netio pflogd 67332 158747 14338 73 3 0x1100090 kqread syslogd 14338 139665 1 0 3 0x100082 netio syslogd 42172 48964 1 0 3 0x100080 kqread resolvd 75637 46845 4062 77 3 0x100092 kqread dhcpleased 46051 498093 4062 77 3 0x100092 kqread dhcpleased 4062 343478 1 0 3 0x80 kqread dhcpleased 38881 449570 0 0 3 0x14200 bored smr 74509 222695 0 0 2 0x14200 zerothread 29135 141842 0 0 3 0x14200 aiodoned aiodoned 84187 337610 0 0 3 0x14200 syncer update 84631 83435 0 0 3 0x14200 cleaner cleaner 45767 172737 0 0 3 0x14200 reaper reaper 36991 386909 0 0 3 0x14200 pgdaemon pagedaemon 88767 271263 0 0 3 0x14200 bored viomb 57074 90254 0 0 3 0x40014200 acpi0 acpi0 34619 34015 0 0 3 0x40014200 idle1 68795 28998 0 0 3 0x14200 bored softnet 81950 194872 0 0 3 0x14200 bored softnet 94348 37179 0 0 3 0x14200 bored softnet 38495 107623 0 0 3 0x14200 bored softnet 26745 169734 0 0 3 0x14200 bored systqmp 7385 421941 0 0 3 0x14200 bored systq 1041 158695 0 0 3 0x40014200 bored softclock 51935 303073 0 0 3 0x40014200 idle0 1 464349 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 82883 (syz-executor.4) thread 0xffff8000ffff7a50 (245134) exclusive rwlock pf_lock r = 0 (0xffffffff829257a0) #0 witness_lock+0x44d #1 pfioctl+0x5e90 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 (0xffffffff829cbe20) #0 witness_lock+0x44d #1 pfioctl+0x38f8 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 (0xffffffff82925800) #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 (0xffffffff82a6fbb8) #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 10219 6514K 7327K 78643K 23980 0 pcb 13 16K 18K 78643K 1102 0 rtable 193 15K 17K 78643K 1121 0 ifaddr 98 21K 24K 78643K 7075 0 sysctl 3 1K 1K 78643K 3 0 counters 54 35K 36K 78643K 224 0 ioctlops 1 4K 8K 78643K 11786 0 iov 0 0K 16K 78643K 978 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1466 92K 92K 78643K 5453 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 87 0 VM map 2 1K 1K 78643K 2 0 sem 26 10K 12K 78643K 75 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 89K 78643K 11428 0 sigio 0 0K 0K 78643K 135 0 proc 71 91K 128K 78643K 1136 0 subproc 104 6K 6K 78643K 227 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 6 0K 1K 78643K 11243 0 in_multi 74 5K 6K 78643K 1565 0 ether_multi 2 0K 0K 78643K 1297 0 mrt 1 0K 0K 78643K 38 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 2K 78643K 1549 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 406 486K 500K 78643K 69148 0 UVM aobj 131 4K 4K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 260 0 NDP 15 0K 1K 78643K 137 0 temp 136 4736K 4994K 78643K 57230 0 kqueue 14 20K 27K 78643K 1204 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 120 560 0 557 10 9 1 3 0 8 0 rtentry 112 315 0 234 4 0 4 4 0 8 0 unpcb 136 4743 0 4662 50 44 6 8 0 8 3 syncache 296 35 0 35 9 9 0 1 0 8 0 tcpqe 32 57 0 57 4 4 0 1 0 8 0 tcpcb 736 1939 0 1926 81 76 5 11 0 8 3 arp 120 56 0 42 1 0 1 1 0 8 0 inpcb 312 19129 0 19116 146 140 6 17 0 8 4 nd6 48 60 0 41 1 0 1 1 0 8 0 pkpcb 40 13 0 13 4 4 0 1 0 8 0 kcovpl 48 17 0 9 1 0 1 1 0 8 0 ppxss 1248 37 0 37 11 10 1 1 0 8 1 pffrag 232 18 0 17 6 5 1 1 0 482 0 pffrnode 88 18 0 17 6 5 1 1 0 8 0 pffrent 40 61 0 60 7 6 1 1 0 8 0 pfosfp 40 1435 0 1010 5 0 5 5 0 8 0 pfosfpen 112 1435 0 719 21 0 21 21 0 8 0 pfrktable 1344 45 4138 42 1 0 1 1 0 8 0 pftag 88 228 0 185 2 1 1 2 0 8 0 pfstitem 24 66 0 64 1 0 1 1 0 8 0 pfstkey 112 72 0 70 2 1 1 2 0 8 0 pfstate 336 68 0 66 4 3 1 4 0 8 0 pfrule 1360 6704 0 5864 87 1 86 86 0 8 5 rttmr 64 6 0 6 2 2 0 1 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1430 0 1055 40 14 26 29 0 8 0 art_table 32 1432 0 1056 4 0 4 4 0 8 0 art_node 16 314 0 243 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 58 0 34 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15549 0 14109 91 0 91 91 0 8 0 ffsino 272 15549 0 14109 97 0 97 97 0 8 0 nchpl 144 32380 0 30732 63 0 63 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 111792 0 111792 7 6 1 2 0 8 1 percpumem 16 124 0 85 1 0 1 1 0 8 0 vcpupl 2048 28 0 0 4 0 4 4 0 8 0 vmpool 560 32 0 4 3 1 2 2 0 8 0 pfiaddrpl 120 1723 0 1722 1 0 1 1 0 8 0 kstatmem 264 196 0 170 10 8 2 3 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 90405 0 90405 19 18 1 8 0 8 1 plimitpl 152 688 0 672 1 0 1 1 0 8 0 sigapl 424 11760 0 11691 9 1 8 8 0 8 0 futexpl 64 110200 0 110196 5 4 1 1 0 8 0 knotepl 120 710 0 0 12 2 10 11 0 8 0 kqueuepl 216 8099 0 8089 75 74 1 8 0 8 0 pipepl 336 1981 0 1953 67 61 6 8 0 8 3 fdescpl 496 11701 0 11670 5 0 5 5 0 8 0 filepl 152 95012 0 94658 107 92 15 19 0 8 1 lockfpl 104 2864 0 2862 5 4 1 2 0 8 0 lockfspl 48 777 0 775 1 0 1 1 0 8 0 sessionpl 144 34 0 17 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 96 7677 0 7665 1 0 1 1 0 8 0 zombiepl 144 11693 0 11691 2 1 1 1 0 8 0 processpl 1064 11760 0 11691 5 0 5 5 0 8 0 procpl 672 34369 0 34283 26 17 9 9 0 8 1 srpgc 96 14 0 14 7 6 1 1 0 8 1 sosppl 168 54 0 54 12 11 1 1 0 8 1 sockpl 480 24455 0 24358 403 383 20 29 0 8 7 mcl64k 65536 22 0 0 3 0 3 3 0 8 0 mcl16k 16384 29 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 99 0 0 8 6 2 8 0 8 0 mcl2k2 2112 16 0 0 2 0 2 2 0 8 0 mcl2k 2048 267 0 0 22 3 19 22 0 8 0 mtagpl 96 836 0 0 18 0 18 18 0 8 0 mbufpl 256 1406 0 0 87 0 87 87 0 8 0 bufpl 288 18839 0 12509 453 0 453 453 0 8 0 anonpl 24 2568404 0 2552188 248 127 121 141 0 186 0 amapchunkpl 152 201372 0 200613 103 72 31 43 0 158 0 amappl16 200 50973 0 50356 95 61 34 45 0 8 0 amappl15 192 1562 0 1560 1 0 1 1 0 8 0 amappl14 184 287 0 278 1 0 1 1 0 8 0 amappl13 176 1440 0 1437 1 0 1 1 0 8 0 amappl12 168 3702 0 3698 2 1 1 1 0 8 0 amappl11 160 337 0 316 1 0 1 1 0 8 0 amappl10 152 1003 0 994 1 0 1 1 0 8 0 amappl9 144 2012 0 2005 1 0 1 1 0 8 0 amappl8 136 2982 0 2876 4 0 4 4 0 8 0 amappl7 128 2192 0 2173 1 0 1 1 0 8 0 amappl6 120 1801 0 1780 2 1 1 2 0 8 0 amappl5 112 10261 0 10238 1 0 1 1 0 8 0 amappl4 104 1889 0 1855 2 1 1 2 0 8 0 amappl3 96 38755 0 38690 2 0 2 2 0 8 0 amappl2 88 15293 0 15222 3 1 2 3 0 8 0 amappl1 80 280410 0 279687 25 10 15 20 0 8 0 amappl 88 68305 0 68063 6 0 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 11733 0 11674 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11733 0 11674 1 0 1 1 0 8 0 vmmpekpl 168 90134 0 90067 5 1 4 4 0 8 0 vmmpepl 168 1151894 0 1148896 223 89 134 137 0 357 3 vmsppl 368 11732 0 11674 7 1 6 6 0 8 0 rwobjpl 56 305953 0 298086 118 6 112 113 0 8 0 pdppl 4096 23473 0 23376 417 320 97 97 0 8 0 pvpl 32 5263795 0 5242571 477 276 201 256 0 265 0 pmappl 248 11732 0 11674 5 1 4 4 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1635 0 634 29 0 29 29 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82a089f0,ffff800000d65000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000d65490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000ebdcb8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000ba2000,3,ffff8000ffff7a50) at pfioctl+0x8eb7 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000ba2000,3,ffff8000ffff7a50) at pfioctl+0x8eb7 sys/net/pf_ioctl.c:1656 VOP_IOCTL(fffffd806f675aa8,cd60441a,ffff800000ba2000,3,fffffd807f7d7720,ffff8000ffff7a50) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806fbcc8e8,cd60441a,ffff800000ba2000,ffff8000ffff7a50) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000ffff7a50,ffff80002e3e0258,ffff80002e3e02b0) at sys_ioctl+0x4a2 syscall(ffff80002e3e0320) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3e0320) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x844ceafe320, 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 end of kernel end trace frame: 0x7f7ffffef3c0, count: -3