kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 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(ffffffff83a03fd8,ffff800001514f20) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff8000015153b0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff8000013fdc90,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a04470,ffff8000013fdc90,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:953 pfioctl(24900,cd504404,ffff800001481000,3,ffff80002f3d7798) at pfioctl+0xa440 sys/net/pf_ioctl.c:2414 VOP_IOCTL(fffffd805ef59b18,cd504404,ffff800001481000,3,fffffd80097fd548,ffff80002f3d7798) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8068aceae8,cd504404,ffff800001481000,ffff80002f3d7798) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002f3d7798,ffff80003c4e3f80,ffff80003c4e3ed0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4e3f80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4e3f80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb0bdb5cdd70, count: -10 ddb{0}> show registers rdi 0xffff80002abcd000 rsi 0x184d __ALIGN_SIZE+0x84d rbp 0xffff80003c4e3940 rbx 0xffffffff83a03fd8 pf_anchors rdx 0xffff80002abcd000 rcx 0x184c __ALIGN_SIZE+0x84c rax 0xffffffff82ff962f pf_anchor_global_RB_REMOVE+0x2f r8 0x3fc r9 0x1323 __ALIGN_SIZE+0x323 r10 0x8062fcf23903e40 r11 0xb1182f2cd376fc50 r12 0x51c1ed36e44ce17b r13 0x1 r14 0xffff800001514f20 r15 0x55910b347b31e64 rip 0xffffffff82ff9681 pf_anchor_global_RB_REMOVE+0x81 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003c4e38f0 ss 0x10 pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15 ddb{0}> show proc PROC (syz-executor) tid=82468 pid=47226 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=0xffff80002f3d6570,0xffffffff838b87c8 process=0xffff8000fffdf9e8 user=0xffff80003c4df000, vmspace=0xfffffd806e0f6b98 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 47226 4528 24304 0 2 0 syz-executor *47226 82468 24304 0 7 0x4000000 syz-executor 65948 131689 53138 60929 2 0x10 syz-executor 65948 2659 53138 60929 3 0x4000090 fsleep syz-executor 65948 293155 53138 60929 3 0x4000090 fsleep syz-executor 89867 139809 25835 0 3 0x3000 suspend syz-executor 89867 482082 25835 0 2 0x4081000 syz-executor 77689 170358 47085 0 2 0 syz-executor 77689 16297 47085 0 2 0x4000000 syz-executor 77689 435389 47085 0 3 0x4000080 fsleep syz-executor 77689 221545 47085 0 3 0x4000080 sbwait syz-executor 45988 487018 86548 0 2 0 syz-executor 45988 303504 86548 0 2 0x4000000 syz-executor 45988 403164 86548 0 2 0x4000000 syz-executor 87039 192730 13512 0 3 0x82 sbwait sshd-session 25835 314635 28618 0 2 0xc82 syz-executor 94228 389156 28618 0 2 0x10000c82 syz-executor 86548 420829 28618 0 2 0xc82 syz-executor 34287 184803 28618 0 3 0x82 nanoslp syz-executor 47085 370021 28618 0 2 0xc82 syz-executor 53138 170824 28618 0 2 0xc82 syz-executor 96477 100419 28618 0 3 0x82 piperd syz-executor 24304 266730 28618 0 3 0x82 nanoslp syz-executor 28618 497194 56290 0 2 0x2 syz-executor 56290 437048 74871 0 3 0x10008a sigsusp ksh 74871 287914 24814 0 3 0x98 kqread sshd-session 24814 399290 13512 0 3 0x92 kqread sshd-session 1393 523420 1 0 3 0x100083 ttyin getty 13512 61294 1 0 3 0x88 kqread sshd 87024 173432 44972 74 3 0x1100092 bpf pflogd 44972 495837 1 0 3 0x80 sbwait pflogd 15897 147237 96466 73 3 0x1100090 kqread syslogd 96466 490758 1 0 3 0x100082 sbwait syslogd 83978 127039 1 0 3 0x100080 kqread resolvd 18276 229463 11001 77 3 0x100092 kqread dhcpleased 231 50289 11001 77 3 0x100092 kqread dhcpleased 11001 304263 1 0 3 0x80 kqread dhcpleased 4294 328732 0 0 3 0x14200 bored smr 3954 1821 0 0 2 0x14200 zerothread 86286 460189 0 0 3 0x14200 aiodoned aiodoned 21398 291266 0 0 3 0x14200 syncer update 95238 93728 0 0 3 0x14200 cleaner cleaner 80948 282834 0 0 3 0x14200 reaper reaper 25067 515527 0 0 3 0x14200 pgdaemon pagedaemon 29237 306549 0 0 3 0x14200 bored viomb 30582 342489 0 0 3 0x40014200 acpi0 acpi0 78176 172475 0 0 7 0x40014200 idle1 77091 268736 0 0 3 0x14200 bored softnet1 24497 277511 0 0 3 0x14200 bored softnet0 766 511720 0 0 3 0x14200 bored systqmp 70047 436422 0 0 3 0x14200 bored systq 36052 387721 0 0 3 0x14200 tmoslp softclockmp 45057 6153 0 0 3 0x40014200 tmoslp softclock 52346 174993 0 0 3 0x40014200 idle0 1 461455 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 47226 (syz-executor) thread 0xffff80002f3d7798 (82468) exclusive rwlock pf_lock r = 0 (0xffffffff837cda78) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x9d99 sys/net/pf_ioctl.c:2368 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff837d9210) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x9d84 sys/net/pf_ioctl.c:2367 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff837cdb08) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2107 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a0a408) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11111K 11817K 166960K 13258 0 pcb 17 15K 16K 166960K 248 0 rtable 227 10K 10K 166960K 540 0 pf 44 19K 81K 166960K 175 0 ifaddr 41 7K 8K 166960K 103 0 ifgroup 55 2K 2K 166960K 181 0 sysctl 3 1K 9K 166960K 14 0 counters 72 37K 38K 166960K 262 0 ioctlops 1 4K 4K 166960K 1843 0 iov 1 4K 24K 166960K 133 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1465 92K 92K 166960K 2464 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 21 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 39 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 110K 166960K 1177 0 sigio 1 0K 0K 166960K 22 0 proc 72 115K 164K 166960K 664 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 236 0 in_multi 87 6K 7K 166960K 153 0 ether_multi 1 0K 0K 166960K 11 0 mrt 2 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 565 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 256 180K 194K 166960K 12339 0 UVM aobj 31 14K 16K 166960K 35 0 pinsyscall 43 86K 104K 166960K 2376 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 1K 166960K 82 0 NDP 13 0K 2K 166960K 73 0 temp 72 8674K 8742K 166960K 53214 0 kqueue 17 26K 31K 166960K 228 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 96 0 93 1 0 1 1 0 8 0 rtentry 176 164 0 70 6 0 6 6 0 8 0 unpcb 144 1134 0 1111 14 10 4 9 0 8 3 syncache 336 11 0 11 3 2 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 736 284 0 276 4 0 4 4 0 8 3 arp 136 27 0 11 1 0 1 1 0 8 0 inpcb 328 1197 0 1183 10 3 7 7 0 8 5 nd6 152 34 0 11 2 0 2 2 0 8 0 pkpcb 40 6 0 6 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 80 0 77 1 0 1 1 0 8 0 pppxif 1504 4 0 4 1 0 1 1 0 8 1 pfstscr 40 3 0 3 1 0 1 1 0 8 1 pffrag 232 11 0 1 1 0 1 1 0 482 0 pffrnode 88 8 0 0 1 0 1 1 0 8 0 pffrent 40 17 0 7 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 5 1 4 2 1 1 1 0 8 0 pfanchor 1288 7 0 5 2 1 1 1 0 8 0 pfstitem 24 90 0 23 1 0 1 1 0 8 0 pfstkey 128 93 0 26 3 0 3 3 0 8 0 pfstate 448 91 0 25 8 0 8 8 0 8 0 pfrule 1344 29 0 22 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 702 0 289 32 3 29 32 0 8 1 art_table 40 704 0 289 6 0 6 6 0 8 0 art_node 32 164 0 81 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 14 1 0 1 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 26 0 3 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3455 0 1944 95 0 95 95 0 8 0 ffsino 296 3455 0 1944 117 0 117 117 0 8 0 nchpl 144 5029 0 3324 64 0 64 64 0 8 0 rtmask 32 13 0 12 1 0 1 1 0 8 0 vnodes 216 4300 0 0 239 0 239 239 0 8 0 namei 1024 18161 0 18161 3 1 2 2 0 8 2 percpumem 16 146 0 95 1 0 1 1 0 8 0 vcpupl 3968 6 0 1 1 0 1 1 0 8 0 vmpool 840 6 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 108 0 80 4 1 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 29511 0 29511 13 11 2 8 1 8 2 plimitpl 152 199 0 182 1 0 1 1 0 8 0 sigapl 424 1501 0 1453 8 0 8 8 0 8 1 knotepl 120 327 0 0 10 0 10 10 0 8 0 kqueuepl 224 630 0 617 7 2 5 5 0 8 4 pipepl 344 300 0 273 9 0 9 9 0 8 6 fdescpl 528 1464 0 1433 3 0 3 3 0 8 0 filepl 160 9666 0 9434 25 9 16 18 0 8 2 lockfpl 104 416 0 413 1 0 1 1 0 8 0 lockfspl 48 160 0 157 1 0 1 1 0 8 0 sessionpl 144 30 0 20 1 0 1 1 0 8 0 pgrppl 48 49 0 31 1 0 1 1 0 8 0 ucredpl 104 1300 0 1286 1 0 1 1 0 8 0 zombiepl 144 1456 0 1453 1 0 1 1 0 8 0 processpl 1232 1501 0 1453 6 0 6 6 0 8 1 procpl 664 3119 0 3062 9 1 8 8 0 8 2 sosppl 176 6 0 6 2 2 0 1 0 8 0 sockpl 752 2449 0 2409 38 27 11 24 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 65 0 0 9 0 9 9 0 8 0 mtagpl 96 166 0 0 5 0 5 5 0 8 0 mbufpl 256 334 0 0 21 0 21 21 0 8 0 bufpl 280 11393 0 5256 439 0 439 439 0 8 0 anonpl 32 10738 0 0 87 0 87 87 0 246 0 amapchunkpl 152 41502 0 40999 47 10 37 41 0 158 14 amappl16 200 5411 0 5381 46 33 13 22 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 454 0 453 1 0 1 1 0 8 0 amappl12 168 1852 0 1809 3 0 3 3 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 50 0 36 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 86 0 85 1 0 1 1 0 8 0 amappl6 120 310 0 295 1 0 1 1 0 8 0 amappl5 112 85 0 73 1 0 1 1 0 8 0 amappl4 104 464 0 432 1 0 1 1 0 8 0 amappl3 96 7154 0 7059 3 0 3 3 0 8 0 amappl2 88 1622 0 1538 2 0 2 2 0 8 0 amappl1 80 14997 0 14327 16 2 14 15 0 8 0 amappl 88 11390 0 11221 5 0 5 5 0 92 0 uvmvnodes 80 134 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 3 2 1 1 0 8 1 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 34 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1465 0 1434 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1465 0 1434 1 0 1 1 0 8 0 vmmpekpl 168 13501 0 13453 3 0 3 3 0 8 0 vmmpepl 168 100284 0 98259 111 8 103 103 0 357 4 vmsppl 488 1464 0 1434 6 1 5 5 0 8 0 rwobjpl 80 29059 0 27866 31 1 30 30 0 8 0 pdppl 4096 2949 0 2875 118 40 78 85 0 8 4 pvpl 32 18667 0 0 151 0 151 151 0 265 0 pmappl 256 1470 0 1435 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 323 0 50 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff83a03fd8,ffff800001514f20) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82 pf_remove_if_empty_ruleset(ffff8000015153b0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301 pfi_dynaddr_setup(ffff8000013fdc90,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508 pf_addr_setup(ffffffff83a04470,ffff8000013fdc90,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:953 pfioctl(24900,cd504404,ffff800001481000,3,ffff80002f3d7798) at pfioctl+0xa440 sys/net/pf_ioctl.c:2414 VOP_IOCTL(fffffd805ef59b18,cd504404,ffff800001481000,3,fffffd80097fd548,ffff80002f3d7798) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8068aceae8,cd504404,ffff800001481000,ffff80002f3d7798) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002f3d7798,ffff80003c4e3f80,ffff80003c4e3ed0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4e3f80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4e3f80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb0bdb5cdd70, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5