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(ffffffff829ecf30,ffff800000f5e000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000f5e490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000d96820,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c07000,3,ffff80002e3cca80) at pfioctl+0x8e07 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000c07000,3,ffff80002e3cca80) at pfioctl+0x8e07 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f684b88,cd60441a,ffff800000c07000,3,fffffd807f7d7840,ffff80002e3cca80) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805279a150,cd60441a,ffff800000c07000,ffff80002e3cca80) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e3cca80,ffff800023c52718,ffff800023c52770) at sys_ioctl+0x4a2 syscall(ffff800023c527e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023c527e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5ecb4c81be0, count: -9 ddb{0}> show registers rdi 0xffff80002b938000 rsi 0x10d9 __ALIGN_SIZE+0xd9 rbp 0xffff800023c521f0 rbx 0xffffffff829ecf30 pf_anchors rdx 0xffff80002b938000 rcx 0x10d8 __ALIGN_SIZE+0xd8 rax 0xffffffff815b6d1b pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0x8a887b448a1a9a1f r11 0xd77ecf7763b239c4 r12 0xf2246dc9494bf3d2 r13 0xffffffff829ecf38 pf_main_anchor r14 0xffff800000f5e000 r15 0xdead007fdead4110 rip 0xffffffff815b6d48 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff800023c521a0 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.6) pid=9362 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4540,0xffffffff829ee3c8 process=0xffff80002e3431f8 user=0xffff800023c4d000, vmspace=0xfffffd8072261748 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69752 489422 26962 0 2 0 syz-executor.6 *69752 9362 26962 0 7 0x4000000 syz-executor.6 40069 400635 42887 0 2 0 syz-executor.0 40069 197408 42887 0 3 0x4000080 fsleep syz-executor.0 39781 69711 25112 0 2 0 syz-executor.4 39781 204608 25112 0 3 0x4000080 fsleep syz-executor.4 22534 122622 68319 0 2 0 syz-executor.7 22534 15141 68319 0 3 0x4000080 fsleep syz-executor.7 67080 267830 65376 0 2 0x1000000 syz-executor.5 67080 337336 65376 0 3 0x5000080 netio syz-executor.5 94165 118182 26552 0 2 0 syz-executor.2 94165 508729 26552 0 3 0x4000080 fsleep syz-executor.2 54601 235238 86895 0 3 0x82 nanoslp syz-executor.1 26962 231143 86895 0 3 0x82 nanoslp syz-executor.6 31724 94844 86895 0 3 0x82 nanoslp syz-executor.3 25112 203628 86895 0 3 0x82 nanoslp syz-executor.4 58468 230379 1 0 3 0x100083 ttyin getty 26552 168670 86895 0 3 0x82 nanoslp syz-executor.2 65376 444454 86895 0 3 0x82 nanoslp syz-executor.5 42887 105915 86895 0 3 0x82 nanoslp syz-executor.0 68319 393833 86895 0 3 0x82 nanoslp syz-executor.7 78122 215748 0 0 3 0x14280 nfsidl nfsio 85773 32711 0 0 3 0x14280 nfsidl nfsio 13017 23000 0 0 3 0x14280 nfsidl nfsio 22542 105211 0 0 3 0x14280 nfsidl nfsio 71011 42862 0 0 3 0x14280 nfsidl nfsio 88405 468763 0 0 3 0x14280 nfsidl nfsio 631 501800 0 0 3 0x14280 nfsidl nfsio 11693 264805 0 0 3 0x14280 nfsidl nfsio 98886 320385 0 0 3 0x14280 nfsidl nfsio 34145 250218 0 0 3 0x14280 nfsidl nfsio 8570 219519 0 0 3 0x14280 nfsidl nfsio 35202 87089 0 0 3 0x14280 nfsidl nfsio 53144 95229 0 0 3 0x14280 nfsidl nfsio 31073 155520 0 0 3 0x14280 nfsidl nfsio 62016 252641 0 0 3 0x14280 nfsidl nfsio 60918 106452 0 0 3 0x14280 nfsidl nfsio 87701 493455 0 0 3 0x14280 nfsidl nfsio 20135 299822 0 0 3 0x14280 nfsidl nfsio 73410 194915 0 0 3 0x14280 nfsidl nfsio 91433 101025 0 0 3 0x14280 nfsidl nfsio 10698 344822 0 0 3 0x14200 bored sosplice 86895 223977 40538 0 3 0x82 thrsleep syz-fuzzer 86895 80036 40538 0 3 0x4000082 nanoslp syz-fuzzer 86895 263730 40538 0 3 0x4000082 thrsleep syz-fuzzer 86895 460938 40538 0 3 0x4000082 thrsleep syz-fuzzer 86895 57659 40538 0 3 0x4000082 thrsleep syz-fuzzer 86895 350002 40538 0 3 0x4000082 kqread syz-fuzzer 86895 358574 40538 0 3 0x4000082 thrsleep syz-fuzzer 86895 231522 40538 0 3 0x4000082 thrsleep syz-fuzzer 86895 10059 40538 0 3 0x4000082 thrsleep syz-fuzzer 40538 56373 88977 0 3 0x10008a sigsusp ksh 88977 390652 57262 0 3 0x9a kqread sshd 57262 93357 1 0 3 0x88 kqread sshd 42148 11203 97626 74 3 0x1100092 bpf pflogd 97626 43374 1 0 3 0x80 netio pflogd 54254 442875 10440 73 3 0x1100090 kqread syslogd 10440 377771 1 0 3 0x100082 netio syslogd 18490 317947 1 0 3 0x100080 kqread resolvd 33037 262764 9145 77 3 0x100092 kqread dhcpleased 21591 282214 9145 77 3 0x100092 kqread dhcpleased 9145 231293 1 0 3 0x80 kqread dhcpleased 65155 145089 0 0 3 0x14200 bored smr 86120 260481 0 0 2 0x14200 zerothread 69234 230084 0 0 3 0x14200 aiodoned aiodoned 23072 387539 0 0 3 0x14200 syncer update 85809 384322 0 0 3 0x14200 cleaner cleaner 32507 448817 0 0 3 0x14200 reaper reaper 81926 123568 0 0 3 0x14200 pgdaemon pagedaemon 14504 413945 0 0 3 0x14200 bored viomb 7659 426179 0 0 3 0x40014200 acpi0 acpi0 7935 334161 0 0 7 0x40014200 idle1 74898 168199 0 0 3 0x14200 bored softnet 60444 181115 0 0 3 0x14200 bored systqmp 59321 56487 0 0 3 0x14200 bored systq 86451 132709 0 0 3 0x40014200 bored softclock 1521 15192 0 0 3 0x40014200 idle0 1 452251 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 69752 (syz-executor.6) thread 0xffff80002e3cca80 (9362) exclusive rwlock pf_lock r = 0 (0xffffffff82929b60) #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 (0xffffffff829ba820) #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 (0xffffffff82929bc0) #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 (0xffffffff82a74400) #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 10233 6720K 7411K 78643K 126665 0 pcb 13 20K 24K 78643K 5553 0 rtable 219 17K 26K 78643K 11344 0 ifaddr 96 31K 38K 78643K 13135 0 sysctl 3 1K 3K 78643K 19 0 counters 54 35K 36K 78643K 1188 0 ioctlops 1 4K 8K 78643K 28281 0 iov 0 0K 34K 78643K 16963 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1785 112K 112K 78643K 36320 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 435 0 VM map 2 1K 1K 78643K 2 0 sem 25 16K 32K 78643K 1634 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 89K 78643K 54946 0 sigio 0 0K 0K 78643K 866 0 proc 73 91K 127K 78643K 6941 0 subproc 104 6K 7K 78643K 1993 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2040 0 in_multi 77 5K 6K 78643K 3261 0 ether_multi 1 0K 0K 78643K 283 0 mrt 3 0K 0K 78643K 254 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 10968 0 pfkey data 0 0K 0K 78643K 15 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 1008 2737K 2756K 78643K 311556 0 UVM aobj 48 4K 6K 78643K 61 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2195 0 NDP 13 0K 2K 78643K 1112 0 temp 235 4934K 5406K 78643K 498711 0 kqueue 12 18K 26K 78643K 3915 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 3755 0 3752 58 57 1 5 0 8 0 rtentry 112 2535 0 2446 9 6 3 4 0 8 0 unpcb 136 26522 0 26505 294 291 3 9 0 8 2 syncache 296 130 0 130 41 41 0 1 0 8 0 tcpqe 32 20 124 20 7 7 0 1 0 8 0 tcpcb 736 59305 0 59293 1018 1010 8 27 0 8 6 arp 120 366 0 350 1 0 1 1 0 8 0 inpcb 312 84336 0 84325 672 665 7 16 0 8 6 nd6 48 507 0 489 1 0 1 1 0 8 0 pkpcb 40 796 0 796 44 44 0 1 0 8 0 kcovpl 48 153 0 145 1 0 1 1 0 8 0 ppxss 1248 252 0 252 53 53 0 1 0 8 0 pfstscr 40 867 0 866 18 17 1 1 0 8 0 pffrag 232 4508 0 4506 23 22 1 5 0 482 0 pffrnode 88 1265 0 1263 20 19 1 2 0 8 0 pffrent 40 9928 0 9926 20 19 1 1 0 8 0 pfosfp 40 1534 0 1107 5 0 5 5 0 8 0 pfosfpen 112 1534 0 803 21 0 21 21 0 8 0 pfrke_plain 168 12 0 12 3 3 0 1 0 8 0 pfrktable 1344 1556 1317 1553 29 28 1 2 0 8 0 pftag 88 207 0 164 1 0 1 1 0 8 0 pfqueue 264 63 0 63 9 9 0 1 0 8 0 pfstitem 24 94 0 90 1 0 1 1 0 8 0 pfstkey 112 1574 0 1570 2 1 1 2 0 8 0 pfstate 336 831 0 828 5 4 1 5 0 8 0 pfrule 1360 8201 0 7943 58 26 32 42 0 8 0 rttmrq 48 123 0 117 1 0 1 1 0 8 0 rttmr 72 80 0 80 22 22 0 1 0 8 0 art_heap8 4096 11 0 10 11 10 1 2 0 8 0 art_heap4 256 12171 0 11804 100 76 24 30 0 8 0 art_table 32 12182 0 11814 6 2 4 4 0 8 0 art_node 16 2424 0 2346 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 1617 0 1594 1 0 1 1 0 8 0 shmpl 112 58 0 13 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 73420 0 71809 102 0 102 102 0 8 0 ffsino 272 73420 0 71809 109 1 108 108 0 8 0 nchpl 144 143807 0 142158 63 0 63 63 0 8 0 rtmask 32 24 0 24 3 3 0 1 0 8 0 uvmvnodes 80 24474 0 0 500 0 500 500 0 8 0 vnodes 224 24474 0 0 1440 0 1440 1440 0 8 0 namei 1024 534569 0 534569 21 20 1 2 0 8 1 percpumem 16 606 0 567 1 0 1 1 0 8 0 vcpupl 2048 409 0 0 52 0 52 52 0 8 0 vmpool 560 512 0 103 36 6 30 30 0 8 0 pfiaddrpl 120 2759 0 2758 27 26 1 2 0 8 0 kstatmem 264 1160 0 1134 8 5 3 3 0 8 0 scsiplug 72 24 0 24 8 8 0 1 0 8 0 scxspl 216 413989 0 413989 47 46 1 8 0 8 1 plimitpl 152 5726 0 5711 1 0 1 1 0 8 0 sigapl 424 55027 0 54961 10 2 8 8 0 8 0 futexpl 64 523374 0 523370 17 16 1 1 0 8 0 knotepl 120 2731 0 0 25 11 14 21 0 8 0 kqueuepl 216 13524 0 13516 207 206 1 8 0 8 0 pipepl 336 9119 0 9091 240 237 3 13 0 8 0 fdescpl 496 54939 0 54910 6 2 4 5 0 8 0 filepl 152 395072 0 394823 581 567 14 24 0 8 4 lockfpl 104 16368 0 16366 25 24 1 3 0 8 0 lockfspl 48 4792 0 4790 1 0 1 1 0 8 0 sessionpl 144 172 0 155 1 0 1 1 0 8 0 pgrppl 48 4011 0 3994 1 0 1 1 0 8 0 ucredpl 96 45933 0 45914 1 0 1 1 0 8 0 zombiepl 144 54963 0 54961 12 11 1 1 0 8 0 processpl 1064 55027 0 54961 5 0 5 5 0 8 0 procpl 672 146616 0 146536 55 47 8 9 0 8 1 srpgc 96 177 0 177 65 64 1 1 0 8 1 sosppl 168 367 0 367 71 71 0 1 0 8 0 sockpl 480 115494 0 115463 2047 2035 12 37 0 8 7 mcl64k 65536 41 0 0 5 2 3 3 0 8 0 mcl16k 16384 41 0 0 5 2 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 34 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 4 2 2 3 0 8 0 mcl4k 4096 49 0 0 5 2 3 3 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 993 0 0 35 15 20 30 0 8 0 mtagpl 96 2901 0 0 27 0 27 27 0 8 0 mbufpl 256 4786 0 0 159 3 156 156 0 8 0 bufpl 288 84526 0 76196 682 44 638 682 0 8 0 anonpl 24 21820283 0 21792283 1861 1648 213 281 0 186 4 amapchunkpl 152 952577 0 951648 262 221 41 67 0 158 0 amappl16 200 814328 0 813073 2998 2918 80 118 0 8 0 amappl15 192 11739 0 11735 1 0 1 1 0 8 0 amappl14 184 9332 0 9321 1 0 1 1 0 8 0 amappl13 176 5957 0 5951 1 0 1 1 0 8 0 amappl12 168 4994 0 4990 2 1 1 1 0 8 0 amappl11 160 7351 0 7326 3 1 2 2 0 8 0 amappl10 152 9234 0 9222 1 0 1 1 0 8 0 amappl9 144 8201 0 8197 1 0 1 1 0 8 0 amappl8 136 10702 0 10449 9 0 9 9 0 8 0 amappl7 128 7264 0 7236 8 7 1 2 0 8 0 amappl6 120 8921 0 8883 4 2 2 2 0 8 0 amappl5 112 45491 0 45472 1 0 1 1 0 8 0 amappl4 104 24243 0 24194 8 6 2 2 0 8 0 amappl3 96 168936 0 168885 2 0 2 2 0 8 0 amappl2 88 63725 0 63613 8 5 3 3 0 8 0 amappl1 80 1291673 0 1291003 41 26 15 20 0 8 0 amappl 88 307442 0 307043 11 1 10 10 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 60 0 13 1 0 1 1 0 8 0 uaddrrnd 24 55451 0 55013 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 55451 0 55013 3 0 3 3 0 8 0 vmmpekpl 168 337850 0 337729 6 0 6 6 0 8 0 vmmpepl 168 5995491 0 5990828 1273 1045 228 257 0 357 0 vmsppl 368 55450 0 55013 42 2 40 41 0 8 0 rwobjpl 56 1957956 0 1930667 600 211 389 389 0 8 0 pdppl 4096 110909 0 110435 1951 1473 478 480 0 8 4 pvpl 32 32942917 0 32921288 2143 1868 275 355 0 265 25 pmappl 248 55450 0 55013 29 1 28 28 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 5282 0 3596 50 1 49 49 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff829ecf30,ffff800000f5e000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000f5e490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000d96820,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000c07000,3,ffff80002e3cca80) at pfioctl+0x8e07 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000c07000,3,ffff80002e3cca80) at pfioctl+0x8e07 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f684b88,cd60441a,ffff800000c07000,3,fffffd807f7d7840,ffff80002e3cca80) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805279a150,cd60441a,ffff800000c07000,ffff80002e3cca80) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e3cca80,ffff800023c52718,ffff800023c52770) at sys_ioctl+0x4a2 syscall(ffff800023c527e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023c527e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5ecb4c81be0, 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