kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83aae398,ffff80000162c508) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000162c998) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000162a568,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83aae830,ffff80000162a568,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015eb000,83,ffff80003c992d28) at pfioctl+0x9aba sys/net/pf_ioctl.c:2621 VOP_IOCTL(fffffa006ffa2000,cd60441a,ffff8000015eb000,83,fffffa0007ffd5b0,ffff80003c992d28) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006ff0ba50,cd60441a,ffff8000015eb000,ffff80003c992d28) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c992d28,ffff800032cb7330,ffff800032cb7280) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800032cb7330) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800032cb7330) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee0af398d30, count: -10 ddb> show registers rdi 0xffff80002b0a4000 rsi 0x69e rbp 0xffff800032cb6d00 rbx 0xffffffff83aae398 pf_anchors rdx 0xffff80002b0a4000 rcx 0x69d rax 0xffffffff82a26e8f pf_anchor_global_RB_REMOVE+0x2f r8 0x3fc r9 0x8080808080808080 r10 0x947bef1da5b93f50 r11 0x52a31743e1176fcb r12 0x205a94cea4c49b55 r13 0x1 r14 0xffff80000162c508 r15 0x5c34fdf1c66680ed rip 0xffffffff82a26ee1 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800032cb6cb0 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> show proc PROC (syz-executor) tid=212722 pid=3612 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c993788,0xffff80003c993cc8 process=0xffff80003c95b620 user=0xffff800032cb2000, vmspace=0xfffffa007ea00b98 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 84157 3597 56053 0 2 0 syz-executor 3612 85842 43488 0 2 0 syz-executor * 3612 212722 43488 0 7 0x4000000 syz-executor 49741 40020 2455 0 2 0 syz-executor 49741 408500 2455 0 2 0x4000000 syz-executor 11640 37485 226 0 2 0 syz-executor 11640 259662 226 0 3 0x4000080 lockf syz-executor 11640 517133 226 0 2 0x4000000 syz-executor 36047 37137 26706 0 2 0 syz-executor 36047 502899 26706 0 3 0x4000080 fsleep syz-executor 90278 505277 87405 0 2 0x10 syz-executor 90278 521752 87405 0 3 0x4000090 ttyretype syz-executor 90278 271659 87405 0 3 0x4000090 fsleep syz-executor 71168 247639 1 0 3 0x80 nanoslp init 27110 186105 0 0 3 0x14280 nfsidl nfsio 10863 471396 0 0 3 0x14280 nfsidl nfsio 89871 499064 0 0 3 0x14280 nfsidl nfsio 82868 5623 0 0 3 0x14280 nfsidl nfsio 3454 105902 0 0 3 0x14280 nfsidl nfsio 52991 214627 0 0 3 0x14280 nfsidl nfsio 19049 268127 0 0 3 0x14280 nfsidl nfsio 27372 506142 0 0 3 0x14280 nfsidl nfsio 91750 245565 0 0 3 0x14280 nfsidl nfsio 76845 349248 0 0 3 0x14280 nfsidl nfsio 83494 341530 0 0 3 0x14280 nfsidl nfsio 49516 424295 0 0 3 0x14280 nfsidl nfsio 96597 770 0 0 3 0x14280 nfsidl nfsio 96534 167815 0 0 3 0x14280 nfsidl nfsio 68863 95741 0 0 3 0x14280 nfsidl nfsio 29261 443414 0 0 3 0x14280 nfsidl nfsio 86821 503251 0 0 3 0x14280 nfsidl nfsio 4201 622 0 0 3 0x14280 nfsidl nfsio 57430 488095 0 0 3 0x14280 nfsidl nfsio 17719 317244 0 0 3 0x14280 nfsidl nfsio 226 20376 13718 0 3 0x82 nanoslp syz-executor 56053 24205 13718 0 3 0x82 nanoslp syz-executor 2455 382888 13718 0 3 0x82 nanoslp syz-executor 26706 176356 13718 0 2 0x2 syz-executor 43472 470080 13718 0 2 0x2 syz-executor 43488 280661 13718 0 3 0x82 nanoslp syz-executor 87405 502416 13718 0 3 0x82 nanoslp syz-executor 81628 59157 13718 0 2 0x2 syz-executor 13718 75430 1 0 3 0x82 kqread syz-executor 24667 115204 0 0 3 0x14200 bored smr 8624 142397 0 0 2 0x14200 zerothread 65261 423598 0 0 3 0x14200 aiodoned aiodoned 56848 505626 0 0 3 0x14200 syncer update 41038 200114 0 0 3 0x14200 cleaner cleaner 32233 256773 0 0 3 0x14200 reaper reaper 32290 214241 0 0 3 0x14200 pgdaemon pagedaemon 79394 514251 0 0 3 0x14200 bored viomb 28524 209458 0 0 3 0x40014200 acpi0 acpi0 46482 429528 0 0 3 0x14200 bored softnet0 70115 300970 0 0 3 0x14200 smrbar systqmp 64245 177230 0 0 3 0x14200 bored systq 34404 214443 0 0 3 0x40014200 tmoslp softclock 97661 193323 0 0 3 0x40014200 idle0 1 440599 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11050 12096K 12435K 166960K 12777 0 pcb 17 13K 14K 166960K 139 0 rtable 248 9K 10K 166960K 433 0 pf 32 13K 20K 166960K 103 0 ifaddr 38 6K 8K 166960K 56 0 ifgroup 46 2K 2K 166960K 77 0 sysctl 4 1K 9K 166960K 10 0 counters 32 17K 18K 166960K 44 0 ioctlops 1 4K 4K 166960K 140 0 iov 0 0K 12K 166960K 82 0 mount 1 1K 1K 166960K 1 0 log 5 8K 8K 166960K 9 0 vnodes 1426 90K 90K 166960K 1976 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 24K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 57K 240K 166960K 511 0 sigio 0 0K 0K 166960K 5 0 proc 11 17K 83K 166960K 528 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 167 0 in_multi 88 6K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 414 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 112 78K 152K 166960K 6047 0 UVM aobj 14 2K 4K 166960K 15 0 pinsyscall 17 34K 96K 166960K 1613 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 19 0 NDP 10 0K 2K 166960K 36 0 temp 63 9113K 9176K 166960K 10288 0 kqueue 5 6K 20K 166960K 98 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 67 0 66 1 0 1 1 0 8 0 rtentry 136 119 0 16 4 0 4 4 0 8 0 unpcb 144 350 0 348 3 0 3 3 0 8 2 syncache 336 9 0 9 2 1 1 1 0 8 1 tcpcb 736 119 0 116 4 0 4 4 0 8 3 arp 96 18 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 440 0 437 6 0 6 6 0 8 5 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 112 28 0 4 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 8 0 8 1 0 1 1 0 8 1 pppxif 1416 1 0 1 1 0 1 1 0 8 1 pfstscr 40 6 0 0 1 0 1 1 0 8 0 pfrktable 1344 6 1 4 1 0 1 1 0 8 0 pfanchor 1288 6 0 2 1 0 1 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfstitem 24 5 0 0 1 0 1 1 0 8 0 pfstkey 128 5 0 0 1 0 1 1 0 8 0 pfstate 384 3 0 0 1 0 1 1 0 8 0 pfrule 1360 9 0 6 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 469 0 6 30 0 30 30 0 8 1 art_table 40 470 0 6 5 0 5 5 0 8 0 art_node 32 117 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0 semapl 72 15 0 5 1 0 1 1 0 8 0 shmpl 112 12 0 1 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 2347 0 896 93 0 93 93 0 8 0 ffsino 256 2347 0 896 93 0 93 93 0 8 0 nchpl 144 3046 0 1355 64 0 64 64 0 8 0 vnodes 216 2817 0 0 157 0 157 157 0 8 0 namei 1024 10729 0 10728 3 2 1 2 0 8 0 pfiaddrpl 120 2 0 1 1 0 1 1 0 8 0 kstatmem 264 41 0 20 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 10648 0 10648 10 2 8 8 1 8 8 plimitpl 152 281 0 271 1 0 1 1 0 8 0 sigapl 424 818 0 767 9 1 8 8 0 8 0 knotepl 120 16445 0 16424 9 0 9 9 0 8 7 kqueuepl 184 196 0 192 2 0 2 2 0 8 1 pipepl 304 170 0 142 5 0 5 5 0 8 2 fdescpl 448 785 0 767 5 0 5 5 0 8 1 filepl 120 4771 0 4597 11 0 11 11 0 8 3 lockfpl 104 365 0 363 2 0 2 2 0 8 1 lockfspl 48 143 0 142 1 0 1 1 0 8 0 sessionpl 144 109 0 107 1 0 1 1 0 8 0 pgrppl 48 121 0 111 1 0 1 1 0 8 0 ucredpl 104 1004 0 1000 1 0 1 1 0 8 0 zombiepl 144 767 0 767 2 1 1 1 0 8 1 processpl 1152 818 0 767 5 0 5 5 0 8 0 procpl 664 1366 0 1308 7 0 7 7 0 8 0 sosppl 176 3 0 3 1 0 1 1 0 8 1 sockpl 552 872 0 866 12 3 9 11 0 8 7 mcl64k 65536 31 0 31 1 0 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl9k128 9344 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 7 0 6 2 1 1 1 0 8 0 mcl4k 4096 3024 0 2972 13 4 9 13 0 8 1 mcl2k 2048 501 0 498 2 1 1 1 0 8 0 mtagpl 96 15 0 9 2 1 1 1 0 8 0 mbufpl 256 8333 0 8169 19 1 18 18 0 8 5 bufpl 272 3325 0 106 215 0 215 215 0 8 0 anonpl 24 112719 0 109283 35 0 35 35 0 186 12 amapchunkpl 152 18703 0 18289 26 0 26 26 0 158 5 amappl16 200 1424 0 1404 15 4 11 13 0 8 8 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 413 0 413 1 0 1 1 0 8 1 amappl13 176 118 0 118 1 0 1 1 0 8 1 amappl12 168 1023 0 1008 2 0 2 2 0 8 0 amappl11 160 2 0 2 1 1 0 1 0 8 0 amappl10 152 58 0 58 1 0 1 1 0 8 1 amappl9 144 268 0 267 2 1 1 1 0 8 0 amappl8 136 94 0 94 1 0 1 1 0 8 1 amappl7 128 139 0 137 1 0 1 1 0 8 0 amappl6 120 146 0 145 1 0 1 1 0 8 0 amappl5 112 96 0 95 1 0 1 1 0 8 0 amappl4 104 265 0 263 1 0 1 1 0 8 0 amappl3 96 3794 0 3732 3 0 3 3 0 8 1 amappl2 88 532 0 523 2 0 2 2 0 8 0 amappl1 80 11672 0 11584 13 0 13 13 0 8 7 amappl 88 5277 0 5176 4 0 4 4 0 92 0 uvmvnodes 80 109 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 1 1 1 0 8 1 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 14 0 1 1 0 1 1 0 8 0 uaddrrnd 24 785 0 767 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 785 0 767 1 0 1 1 0 8 0 vmmpekpl 168 8003 0 7965 2 0 2 2 0 8 0 vmmpepl 168 56696 0 55961 79 1 78 78 0 357 37 vmsppl 368 784 0 767 4 1 3 4 0 8 0 rwobjpl 40 17421 0 17045 11 1 10 11 0 8 0 pdppl 4096 1576 0 1534 98 52 46 82 0 8 4 pvpl 32 339731 0 333199 79 1 78 78 0 265 19 pmappl 216 784 0 767 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 594 0 65 16 0 16 16 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83aae398,ffff80000162c508) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000162c998) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000162a568,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83aae830,ffff80000162a568,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015eb000,83,ffff80003c992d28) at pfioctl+0x9aba sys/net/pf_ioctl.c:2621 VOP_IOCTL(fffffa006ffa2000,cd60441a,ffff8000015eb000,83,fffffa0007ffd5b0,ffff80003c992d28) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006ff0ba50,cd60441a,ffff8000015eb000,ffff80003c992d28) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c992d28,ffff800032cb7330,ffff800032cb7280) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800032cb7330) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800032cb7330) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee0af398d30, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83aae398,ffff80000162c508) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000162c998) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000162a568,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83aae830,ffff80000162a568,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(14900,cd60441a,ffff8000015eb000,83,ffff80003c992d28) at pfioctl+0x9aba sys/net/pf_ioctl.c:2621 VOP_IOCTL(fffffa006ffa2000,cd60441a,ffff8000015eb000,83,fffffa0007ffd5b0,ffff80003c992d28) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffa006ff0ba50,cd60441a,ffff8000015eb000,ffff80003c992d28) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c992d28,ffff800032cb7330,ffff800032cb7280) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff800032cb7330) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800032cb7330) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xs