login: 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(ffffffff83a674d0,ffff80000170b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000170bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000170f800,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a67968,ffff80000170f800,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd60441a,ffff8000015ee000,83,ffff80002a773c98) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffd806a8dc0e0,cd60441a,ffff8000015ee000,83,fffffd8007ffd888,ffff80002a773c98) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca80878,cd60441a,ffff8000015ee000,ffff80002a773c98) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a773c98,ffff80002dcb3d40,ffff80002dcb3c90) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80002dcb3d40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002dcb3d40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6a0866edd50, count: -10 ddb> show registers rdi 0xffff800035cc6000 rsi 0x6f1 rbp 0xffff80002dcb3710 rbx 0xffffffff83a674d0 pf_anchors rdx 0xffff800035cc6000 rcx 0x6f0 rax 0xffffffff82cef7df pf_anchor_global_RB_REMOVE+0x2f r8 0x3fc r9 0x8080808080808080 r10 0x647d8bac358cc75f r11 0x51287a4231063f9d r12 0xa8cce0456cfc8227 r13 0x1 r14 0xffff80000170b760 r15 0x5f33e8d3a13fd544 rip 0xffffffff82cef831 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80002dcb36c0 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb> show proc PROC (syz-executor) tid=218541 pid=77690 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a772540,0xffff80002a736a78 process=0xffff80003a8d9698 user=0xffff80002dcae000, vmspace=0xfffffd800dd7fd08 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 27246 247840 86257 0 2 0 syz-executor 77690 177278 96607 0 2 0 syz-executor *77690 218541 96607 0 7 0x4000000 syz-executor 64611 380270 84980 -1 3 0x91 nanoslp syz-executor 64611 131483 84980 -1 3 0x4000091 ttyin syz-executor 64611 199215 84980 -1 3 0x4000091 fsleep syz-executor 92886 296508 92526 0 3 0x80 nanoslp syz-executor 92886 93908 92526 0 3 0x4000080 bell syz-executor 92886 437872 92526 0 3 0x4000080 fsleep syz-executor 63514 349954 17850 -1 3 0x90 nanoslp syz-executor 63514 354466 17850 -1 3 0x4000090 kqread syz-executor 63514 53818 17850 -1 3 0x4000090 fsleep syz-executor 77814 477343 72891 0 3 0x3000 suspend syz-executor 77814 211703 72891 0 2 0x4081000 syz-executor 77814 47822 72891 0 3 0x4081000 inode syz-executor 84270 276624 1 0 3 0x100083 ttyin getty 72891 171322 58587 0 3 0x82 nanoslp syz-executor 17850 177340 58587 0 3 0x82 nanoslp syz-executor 84980 342921 58587 0 3 0x82 nanoslp syz-executor 96607 40542 58587 0 3 0x82 nanoslp syz-executor 84146 331842 58587 0 3 0x82 nanoslp syz-executor 86257 423647 58587 0 2 0x2 syz-executor 36490 471952 58587 0 3 0x2 biowait syz-executor 92526 51618 58587 0 3 0x82 nanoslp syz-executor 58587 99919 52277 0 2 0x2 syz-executor 52277 370677 82822 0 3 0x10008a sigsusp ksh 82822 279116 66659 0 3 0x98 kqread sshd-session 66659 311140 58625 0 3 0x92 kqread sshd-session 58625 23926 1 0 3 0x88 kqread sshd 4555 171236 66436 73 3 0x1100090 kqread syslogd 66436 53608 1 0 3 0x100082 sbwait syslogd 67132 46033 1 0 3 0x100080 kqread resolvd 36581 193665 81382 77 3 0x100092 kqread dhcpleased 1726 137092 81382 77 3 0x100092 kqread dhcpleased 81382 142988 1 0 3 0x80 kqread dhcpleased 96689 162263 0 0 3 0x14200 bored smr 14490 293672 0 0 2 0x14200 zerothread 26258 186600 0 0 3 0x14200 aiodoned aiodoned 44715 204888 0 0 3 0x14200 syncer update 49993 320468 0 0 3 0x14200 cleaner cleaner 4247 330463 0 0 3 0x14200 reaper reaper 17533 129065 0 0 3 0x14200 pgdaemon pagedaemon 61608 63629 0 0 3 0x14200 bored viomb 50168 497439 0 0 3 0x40014200 acpi0 acpi0 58637 194500 0 0 2 0x14200 softnet0 73361 105501 0 0 3 0x14200 bored systqmp 80566 44682 0 0 3 0x14200 bored systq 22160 361502 0 0 3 0x40014200 tmoslp softclock 1926 492523 0 0 3 0x40014200 idle0 1 297974 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 11067 12180K 12566K 166960K 12911 0 pcb 19 15K 16K 166960K 175 0 rtable 232 9K 10K 166960K 647 0 pf 38 14K 74K 166960K 120 0 ifaddr 39 6K 7K 166960K 86 0 ifgroup 57 2K 2K 166960K 120 0 sysctl 4 1K 9K 166960K 13 0 counters 34 17K 18K 166960K 54 0 ioctlops 1 4K 6K 166960K 211 0 iov 0 0K 17K 166960K 67 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1357 85K 85K 166960K 2091 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 106 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 840 0 sigio 1 0K 0K 166960K 14 0 proc 60 59K 108K 166960K 804 0 subproc 72 4K 4K 166960K 127 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 72 0 in_multi 87 6K 7K 166960K 186 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 569 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 213 151K 173K 166960K 8727 0 UVM aobj 8 2K 2K 166960K 10 0 pinsyscall 38 76K 93K 166960K 2118 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 33 0 NDP 12 0K 2K 166960K 59 0 temp 75 9116K 9188K 166960K 36375 0 kqueue 18 28K 30K 166960K 160 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 120 159 0 155 3 0 3 3 0 8 2 rtentry 136 188 0 93 4 0 4 4 0 8 0 unpcb 144 410 0 393 5 3 2 4 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 736 289 0 284 7 0 7 7 0 8 6 arp 96 31 0 16 1 0 1 1 0 8 0 ipq 40 4 0 0 1 0 1 1 0 8 0 ipqe 40 5 0 0 1 0 1 1 0 8 0 inpcb 328 925 0 915 12 3 9 9 0 8 8 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 112 44 0 25 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1072 8 0 8 2 1 1 1 0 8 1 pppxif 1416 2 0 2 2 2 0 1 0 8 0 pfstscr 40 8 0 6 1 0 1 1 0 8 0 pfrktable 1344 13 1 11 1 0 1 1 0 8 0 pfsrclim 320 2 0 1 1 0 1 1 0 8 0 pfanchor 1288 3 0 3 2 1 1 1 0 8 1 pftag 88 12 0 6 1 0 1 1 0 8 0 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 10 0 6 1 0 1 1 0 8 0 pfstate 384 5 0 3 1 0 1 1 0 8 0 pfrule 1360 9 0 8 3 2 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 787 0 377 35 6 29 29 0 8 2 art_table 40 789 0 377 5 0 5 5 0 8 0 art_node 32 188 0 102 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 72 103 0 93 1 0 1 1 0 8 0 shmpl 112 7 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2782 0 1315 93 0 93 93 0 8 0 ffsino 256 2782 0 1315 93 0 93 93 0 8 0 nchpl 144 3922 0 2212 64 0 64 64 0 8 0 vnodes 216 3304 0 0 184 0 184 184 0 8 0 namei 1024 14204 0 14203 3 2 1 2 0 8 0 pfiaddrpl 120 3 0 2 2 1 1 1 0 8 0 kstatmem 264 59 0 34 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 13671 0 13670 12 11 1 8 1 8 0 plimitpl 152 228 0 208 1 0 1 1 0 8 0 sigapl 424 1129 0 1087 6 1 5 6 0 8 0 knotepl 120 28098 0 27797 24 7 17 17 0 8 7 kqueuepl 184 287 0 273 4 0 4 4 0 8 3 pipepl 304 180 0 152 3 0 3 3 0 8 0 fdescpl 448 1116 0 1087 5 1 4 5 0 8 0 filepl 120 6639 0 6405 14 3 11 11 0 8 3 lockfpl 104 348 0 344 1 0 1 1 0 8 0 lockfspl 48 113 0 109 1 0 1 1 0 8 0 sessionpl 144 129 0 118 1 0 1 1 0 8 0 pgrppl 48 152 0 133 1 0 1 1 0 8 0 ucredpl 104 1299 0 1283 1 0 1 1 0 8 0 zombiepl 144 1178 0 1176 3 2 1 1 0 8 0 processpl 1152 1129 0 1087 4 0 4 4 0 8 0 procpl 664 2078 0 2027 6 0 6 6 0 8 0 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 552 1514 0 1483 15 5 10 10 0 8 7 mcl64k 65536 41 0 41 3 2 1 1 0 8 1 mcl16k 16384 15 0 15 3 2 1 1 0 8 1 mcl12k 12288 1 0 1 1 1 0 1 0 8 0 mcl9k128 9344 2 0 2 2 1 1 1 0 8 1 mcl8k 8192 21 0 21 3 2 1 1 0 8 1 mcl4k 4096 3425 0 3373 17 8 9 14 0 8 1 mcl2k 2048 720 0 720 7 6 1 5 0 8 1 mtagpl 96 8 0 8 2 2 0 1 0 8 0 mbufpl 256 12121 0 11980 22 0 22 22 0 8 7 bufpl 280 4596 0 103 321 0 321 321 0 8 0 anonpl 24 157956 0 152036 61 19 42 45 0 186 5 amapchunkpl 152 29371 0 28937 54 16 38 38 0 158 12 amappl16 200 2449 0 2249 23 12 11 15 0 8 0 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 483 0 482 1 0 1 1 0 8 0 amappl13 176 180 0 170 1 0 1 1 0 8 0 amappl12 168 1378 0 1351 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 60 0 49 1 0 1 1 0 8 0 amappl9 144 282 0 282 1 1 0 1 0 8 0 amappl8 136 124 0 123 1 0 1 1 0 8 0 amappl7 128 237 0 226 1 0 1 1 0 8 0 amappl6 120 209 0 207 1 0 1 1 0 8 0 amappl5 112 125 0 117 1 0 1 1 0 8 0 amappl4 104 388 0 372 1 0 1 1 0 8 0 amappl3 96 5744 0 5645 5 1 4 4 0 8 0 amappl2 88 596 0 538 2 0 2 2 0 8 0 amappl1 80 13447 0 12899 13 1 12 13 0 8 0 amappl 88 7800 0 7651 6 1 5 5 0 92 0 uvmvnodes 80 123 0 0 3 0 3 3 0 8 0 dma32768 32768 3 0 3 2 1 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 0 1 1 0 8 1 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 9 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1116 0 1087 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1116 0 1087 1 0 1 1 0 8 0 vmmpekpl 168 9969 0 9931 3 0 3 3 0 8 0 vmmpepl 168 76787 0 74833 100 11 89 92 0 357 0 vmsppl 368 1115 0 1087 4 1 3 4 0 8 0 rwobjpl 40 22258 0 21118 13 1 12 13 0 8 0 pdppl 4096 2238 0 2174 108 42 66 78 0 8 2 pvpl 32 476694 0 465049 143 28 115 115 0 265 11 pmappl 216 1115 0 1087 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 420 0 79 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83a674d0,ffff80000170b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000170bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000170f800,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a67968,ffff80000170f800,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd60441a,ffff8000015ee000,83,ffff80002a773c98) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffd806a8dc0e0,cd60441a,ffff8000015ee000,83,fffffd8007ffd888,ffff80002a773c98) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca80878,cd60441a,ffff8000015ee000,ffff80002a773c98) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a773c98,ffff80002dcb3d40,ffff80002dcb3c90) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80002dcb3d40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002dcb3d40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6a0866edd50, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_REMOVE(ffffffff83a674d0,ffff80000170b760) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff80000170bbf0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff80000170f800,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a67968,ffff80000170f800,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948 pfioctl(24900,cd60441a,ffff8000015ee000,83,ffff80002a773c98) at pfioctl+0x9aee sys/net/pf_ioctl.c:2624 VOP_IOCTL(fffffd806a8dc0e0,cd60441a,ffff8000015ee000,83,fffffd8007ffd888,ffff80002a773c98) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ca80878,cd60441a,ffff8000015ee000,ffff80002a773c98) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80002a773c98,ffff80002dcb3d40,ffff80002dcb3c90) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80002dcb3d40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002dcb3d40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6a0866edd50, count: -10