kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace pf_anchor_global_RB_REMOVE(ffffffff82af0b78,ffff800000c38800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c38c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000b9e2c8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c0d000,3,ffff800024694fd0) at pfioctl+0x84eb pf_addr_setup sys/net/pf_ioctl.c:892 [inline] pfioctl(4900,cd60441a,ffff800000c0d000,3,ffff800024694fd0) at pfioctl+0x84eb sys/net/pf_ioctl.c:1646 VOP_IOCTL(fffffd806f7958e8,cd60441a,ffff800000c0d000,3,fffffd807f7d88a0,ffff800024694fd0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8070fc27d0,cd60441a,ffff800000c0d000,ffff800024694fd0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800024694fd0,ffff80002e4baca8,ffff80002e4bad00) at sys_ioctl+0x4a2 syscall(ffff80002e4bad70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e4bad70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906ccef00, count: -9 ddb{1}> show registers rdi 0xffff80002ab15000 rsi 0x1204 __ALIGN_SIZE+0x204 rbp 0xffff80002e4ba790 rbx 0xffffffff82af0b78 pf_anchors rdx 0xffff80002ab15000 rcx 0x1203 __ALIGN_SIZE+0x203 rax 0xffffffff818e8b5b pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0xd55bb5a87796da7e r11 0xe591cc5361b8408c r12 0x1043c2fdcb2f4f32 r13 0xffffffff82af0b80 pf_main_anchor r14 0xffff800000c38800 r15 0xdead007fdeadbeef rip 0xffffffff818e8b88 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002e4ba740 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> show proc PROC (syz-executor.5) pid=374796 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000246947f0,0xffff80002e3d8558 process=0xffff80002e3bd0c8 user=0xffff80002e4b5000, vmspace=0xfffffd805b3ba308 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34352 76997 87618 0 2 0 syz-executor.4 34352 154596 87618 0 7 0x4000000 syz-executor.4 42502 286237 77791 0 3 0x80 nanoslp syz-executor.7 42502 33223 77791 0 2 0x4000000 syz-executor.7 42502 245544 77791 0 3 0x4000080 fsleep syz-executor.7 81325 106307 99460 0 2 0 syz-executor.5 *81325 374796 99460 0 7 0x4000000 syz-executor.5 5746 394187 69505 0 2 0 syz-executor.0 43246 371799 24255 0 2 0 syz-executor.2 43246 305420 24255 0 3 0x4000080 fsleep syz-executor.2 16504 269012 89196 0 2 0 syz-executor.6 16504 522769 89196 0 3 0x4000080 fsleep syz-executor.6 16504 303594 89196 0 3 0x4000080 fsleep syz-executor.6 16504 414184 89196 0 3 0x4000080 fsleep syz-executor.6 92403 56180 88284 0 2 0 syz-executor.1 92403 19495 88284 0 2 0x4000000 syz-executor.1 92403 240422 88284 0 3 0x4000080 fsleep syz-executor.1 79661 492962 91 0 2 0 syz-executor.3 79661 240367 91 0 3 0x4000080 netio syz-executor.3 10747 441995 0 0 3 0x14280 nfsidl nfsio 6018 91352 0 0 3 0x14280 nfsidl nfsio 72332 262198 0 0 3 0x14280 nfsidl nfsio 96012 60828 0 0 3 0x14280 nfsidl nfsio 81078 179373 0 0 3 0x14280 nfsidl nfsio 52304 449115 0 0 3 0x14280 nfsidl nfsio 60098 141654 0 0 3 0x14280 nfsidl nfsio 5538 254746 0 0 3 0x14280 nfsidl nfsio 37645 440362 0 0 3 0x14280 nfsidl nfsio 85502 218546 0 0 3 0x14280 nfsidl nfsio 32439 280363 0 0 3 0x14280 nfsidl nfsio 84458 192364 0 0 3 0x14280 nfsidl nfsio 66382 406054 0 0 3 0x14280 nfsidl nfsio 44332 188841 0 0 3 0x14280 nfsidl nfsio 44852 271133 0 0 3 0x14280 nfsidl nfsio 5304 255122 0 0 3 0x14280 nfsidl nfsio 58143 262542 0 0 3 0x14280 nfsidl nfsio 91509 123300 0 0 3 0x14280 nfsidl nfsio 1783 200734 0 0 3 0x14280 nfsidl nfsio 18077 319796 0 0 3 0x14280 nfsidl nfsio 87618 479983 92234 0 3 0x82 nanoslp syz-executor.4 88284 513525 92234 0 3 0x82 nanoslp syz-executor.1 99460 297929 92234 0 3 0x82 nanoslp syz-executor.5 77791 263066 92234 0 3 0x82 nanoslp syz-executor.7 91 77882 92234 0 3 0x82 nanoslp syz-executor.3 75265 434965 0 0 3 0x14200 acct acct 6952 142212 1 0 3 0x100083 ttyin getty 69505 450098 92234 0 3 0x82 nanoslp syz-executor.0 6812 380603 0 0 3 0x14200 bored sosplice 89196 118410 92234 0 3 0x82 nanoslp syz-executor.6 24255 188044 92234 0 3 0x82 nanoslp syz-executor.2 92234 214723 66726 0 3 0x82 kqread syz-fuzzer 92234 76145 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 490028 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 104966 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 226448 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 184253 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 46592 66726 0 3 0x4000082 thrsleep syz-fuzzer 92234 381178 66726 0 3 0x4000082 thrsleep syz-fuzzer 66726 365024 66620 0 3 0x10008a sigsusp ksh 66620 318656 52797 0 3 0x9a kqread sshd 52797 27224 1 0 3 0x88 kqread sshd 139 507602 34503 74 3 0x1100092 bpf pflogd 34503 210806 1 0 3 0x80 netio pflogd 34255 67678 3720 73 3 0x1100090 kqread syslogd 3720 450391 1 0 3 0x100082 netio syslogd 80699 11007 1 0 3 0x100080 kqread resolvd 23938 255151 62713 77 3 0x100092 kqread dhcpleased 15376 388234 62713 77 3 0x100092 kqread dhcpleased 62713 135463 1 0 3 0x80 kqread dhcpleased 46377 48757 0 0 3 0x14200 bored smr 43686 26734 0 0 2 0x14200 zerothread 17954 257356 0 0 3 0x14200 aiodoned aiodoned 50944 183350 0 0 3 0x14200 syncer update 36209 302579 0 0 3 0x14200 cleaner cleaner 87800 204329 0 0 3 0x14200 reaper reaper 54386 46243 0 0 3 0x14200 pgdaemon pagedaemon 61173 401497 0 0 3 0x14200 bored viomb 40399 69190 0 0 3 0x40014200 acpi0 acpi0 25101 123276 0 0 3 0x40014200 idle1 71812 86834 0 0 3 0x14200 bored softnet 74669 499838 0 0 3 0x14200 bored systqmp 97759 382932 0 0 3 0x14200 bored systq 53908 386862 0 0 3 0x40014200 bored softclock 74263 95074 0 0 3 0x40014200 idle0 1 86813 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 81325 (syz-executor.5) thread 0xffff800024694fd0 (374796) exclusive rwlock pf_lock r = 0 (0xffffffff828fe5b0) #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 (0xffffffff829a2e30) #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 (0xffffffff82b8cf48) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10348 6558K 6938K 78643K 22850 0 pcb 14 16K 18K 78643K 2345 0 rtable 216 9K 10K 78643K 2421 0 ifaddr 92 20K 21K 78643K 663 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 192 0 ioctlops 1 4K 4K 78643K 2970 0 iov 1 0K 20K 78643K 568 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1338 84K 84K 78643K 4696 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 60 0 VM map 2 1K 1K 78643K 2 0 sem 15 2K 3K 78643K 44 0 dirhash 9 1K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 89K 78643K 7295 0 sigio 0 0K 0K 78643K 751 0 proc 77 87K 136K 78643K 1361 0 subproc 104 6K 6K 78643K 390 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 643 0 in_multi 82 5K 7K 78643K 522 0 ether_multi 1 0K 0K 78643K 285 0 mrt 1 0K 0K 78643K 791 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 235 1049K 1049K 78643K 235 0 exec 0 0K 2K 78643K 1745 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 507 719K 720K 78643K 94153 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 0K 78643K 334 0 NDP 13 0K 1K 78643K 155 0 temp 135 4711K 4797K 78643K 51950 0 kqueue 12 18K 22K 78643K 286 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 367 0 364 4 3 1 3 0 8 0 rtentry 112 680 0 589 4 0 4 4 0 8 0 unpcb 136 3315 0 3300 36 34 2 6 0 8 1 syncache 296 23 0 23 7 7 0 1 0 8 0 tcpqe 32 72 0 72 3 3 0 1 0 8 0 tcpcb 736 2449 0 2443 79 72 7 14 0 8 6 arp 120 78 0 59 1 0 1 1 0 8 0 inpcb 304 12979 0 12967 92 83 9 14 0 8 7 rttmr 72 226 0 226 6 6 0 1 0 8 0 nd6 48 113 0 92 1 0 1 1 0 8 0 pkpcb 40 149 0 149 4 4 0 1 0 8 0 kcovpl 48 30 0 22 1 0 1 1 0 8 0 ppxss 1248 7 0 7 3 3 0 1 0 8 0 pfstscr 40 15 0 15 3 3 0 1 0 8 0 pffrag 232 50 0 48 2 1 1 1 0 482 0 pffrnode 88 50 0 48 2 1 1 1 0 8 0 pffrent 40 295 0 293 3 2 1 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 714 21 0 21 21 0 8 0 pfrktable 1344 111 51 108 3 2 1 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 101 0 99 1 0 1 1 0 8 0 pfstkey 112 189 0 187 2 1 1 2 0 8 0 pfstate 320 138 0 136 3 2 1 3 0 8 0 pfrule 1360 450 0 442 6 1 5 5 0 8 4 art_heap8 4096 3 0 2 3 2 1 3 0 8 0 art_heap4 256 4094 0 3703 37 11 26 30 0 8 0 art_table 32 4097 0 3705 4 0 4 4 0 8 0 art_node 16 679 0 598 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 35 0 22 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 10 3 1 2 3 0 8 0 dino2pl 256 10788 0 9338 91 0 91 91 0 8 0 ffsino 272 10788 0 9338 98 0 98 98 0 8 0 nchpl 144 20149 0 18522 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 68897 0 68897 4 2 2 2 0 8 2 percpumem 16 108 0 68 1 0 1 1 0 8 0 vcpupl 2048 236 0 0 30 0 30 30 0 8 0 vmpool 560 248 0 12 18 1 17 17 0 8 0 pfiaddrpl 120 19 0 18 2 1 1 1 0 8 0 scxspl 216 61264 0 61264 12 11 1 8 0 8 1 plimitpl 152 806 0 791 1 0 1 1 0 8 0 sigapl 424 7596 0 7529 9 1 8 8 0 8 0 futexpl 64 63358 0 63352 2 1 1 1 0 8 0 knotepl 120 554 0 0 7 0 7 7 0 8 0 kqueuepl 216 1395 0 1387 29 28 1 5 0 8 0 pipepl 336 1520 0 1491 44 41 3 8 0 8 0 fdescpl 496 7539 0 7508 5 0 5 5 0 8 0 filepl 152 50413 0 50168 99 84 15 21 0 8 5 lockfpl 104 2607 0 2605 6 5 1 3 0 8 0 lockfspl 48 535 0 533 1 0 1 1 0 8 0 sessionpl 144 47 0 30 1 0 1 1 0 8 0 pgrppl 48 57 0 40 1 0 1 1 0 8 0 ucredpl 96 5571 0 5555 1 0 1 1 0 8 0 zombiepl 144 7529 0 7529 2 1 1 1 0 8 1 processpl 1064 7596 0 7529 6 1 5 5 0 8 0 procpl 672 21567 0 21482 17 9 8 9 0 8 0 srpgc 96 42 0 42 9 9 0 1 0 8 0 sosppl 168 35 0 35 8 7 1 1 0 8 1 sockpl 480 16810 0 16782 237 220 17 24 0 8 13 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 29 0 0 4 1 3 3 0 8 0 mcl12k 12288 28 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 23 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 228 0 0 20 2 18 20 0 8 0 mtagpl 96 572 0 0 10 1 9 10 0 8 0 mbufpl 256 992 0 0 44 0 44 44 0 8 0 bufpl 288 14521 0 8185 453 0 453 453 0 8 0 anonpl 24 2207263 0 2187219 216 79 137 153 0 186 0 amapchunkpl 152 228288 0 227348 94 57 37 48 0 158 0 amappl16 200 24042 0 23408 137 101 36 57 0 8 2 amappl15 192 376 0 370 1 0 1 1 0 8 0 amappl14 184 361 0 358 1 0 1 1 0 8 0 amappl13 176 1291 0 1288 1 0 1 1 0 8 0 amappl12 168 824 0 823 2 1 1 1 0 8 0 amappl11 160 1418 0 1398 1 0 1 1 0 8 0 amappl10 152 2050 0 2037 1 0 1 1 0 8 0 amappl9 144 1118 0 1114 1 0 1 1 0 8 0 amappl8 136 1631 0 1547 4 1 3 4 0 8 0 amappl7 128 733 0 721 1 0 1 1 0 8 0 amappl6 120 912 0 881 2 1 1 2 0 8 0 amappl5 112 8777 0 8748 1 0 1 1 0 8 0 amappl4 104 3267 0 3239 1 0 1 1 0 8 0 amappl3 96 1444 0 1430 1 0 1 1 0 8 0 amappl2 88 2271 0 2223 3 1 2 3 0 8 0 amappl1 80 139626 0 139017 20 6 14 19 0 8 0 amappl 88 93110 0 92772 11 3 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 7787 0 7520 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7787 0 7520 2 0 2 2 0 8 0 vmmpekpl 168 60362 0 60266 6 1 5 5 0 8 0 vmmpepl 168 699329 0 696281 273 139 134 148 0 357 1 vmsppl 368 7786 0 7520 27 2 25 25 0 8 0 rwobjpl 56 177730 0 169949 123 13 110 112 0 8 0 pdppl 4096 15581 0 15276 635 330 305 305 0 8 0 pvpl 32 3704881 0 3679855 406 195 211 268 0 265 0 pmappl 248 7786 0 7520 17 0 17 17 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1590 0 467 33 0 33 33 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82998ff0) 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 __mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002e4c0530) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff80002e4c0530) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x69efba282a0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> trace pf_anchor_global_RB_REMOVE(ffffffff82af0b78,ffff800000c38800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c38c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000b9e2c8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c0d000,3,ffff800024694fd0) at pfioctl+0x84eb pf_addr_setup sys/net/pf_ioctl.c:892 [inline] pfioctl(4900,cd60441a,ffff800000c0d000,3,ffff800024694fd0) at pfioctl+0x84eb sys/net/pf_ioctl.c:1646 VOP_IOCTL(fffffd806f7958e8,cd60441a,ffff800000c0d000,3,fffffd807f7d88a0,ffff800024694fd0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8070fc27d0,cd60441a,ffff800000c0d000,ffff800024694fd0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800024694fd0,ffff80002e4baca8,ffff80002e4bad00) at sys_ioctl+0x4a2 syscall(ffff80002e4bad70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e4bad70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906ccef00, count: -9