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(ffffffff839c1e90,ffff80000152b250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000152b6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff8000014f5758,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff839c2328,ffff8000014f5758,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:953
pfioctl(14900,cd504404,ffff800000afb000,3,ffff80003c432028) at pfioctl+0xa440 sys/net/pf_ioctl.c:2414
VOP_IOCTL(fffffd805cc41a38,cd504404,ffff800000afb000,3,fffffd80097fd5b0,ffff80003c432028) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd805d256968,cd504404,ffff800000afb000,ffff80003c432028) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80003c432028,ffff80003c414010,ffff80003c413f60) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c414010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x90b0239f920, count: -10
ddb{0}> show registers
rdi 0xffff8000367f7000
rsi 0x1ca5 __ALIGN_SIZE+0xca5
rbp 0xffff80003c4139d0
rbx 0xffffffff839c1e90 pf_anchors
rdx 0xffff8000367f7000
rcx 0x1ca4 __ALIGN_SIZE+0xca4
rax 0xffffffff82e7f1ff pf_anchor_global_RB_REMOVE+0x2f
r8 0x3fc
r9 0x1323 __ALIGN_SIZE+0x323
r10 0xf510094adce1153a
r11 0x4ff2abdeb74bec27
r12 0x45ad1902c4026aec
r13 0x1
r14 0xffff80000152b250
r15 0xba4d66aa9de21970
rip 0xffffffff82e7f251 pf_anchor_global_RB_REMOVE+0x81
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80003c413980
ss 0x10
pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15
ddb{0}> show proc
PROC (syz-executor) tid=408753 pid=65983 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c432d20,0xffff80003c433260
process=0xffff8000fffe6b70 user=0xffff80003c40f000, vmspace=0xfffffd800d4547c0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
85410 212911 28539 0 2 0 syz-executor
2433 58768 71381 0 2 0 syz-executor
2433 249529 71381 0 3 0x4000080 fsleep syz-executor
2433 253029 71381 0 3 0x4000080 fsleep syz-executor
6756 194488 49257 0 2 0 syz-executor
6756 45237 49257 0 3 0x4000080 fsleep syz-executor
67067 449550 29694 0 2 0 syz-executor
67067 333145 29694 0 3 0x4000080 fsleep syz-executor
48505 225279 28712 0 2 0 syz-executor
48505 19614 28712 0 3 0x4000080 fsleep syz-executor
48505 272051 28712 0 3 0x4000080 fsleep syz-executor
65983 489252 99816 0 7 0 syz-executor
*65983 408753 99816 0 7 0x4000000 syz-executor
7783 36175 0 0 3 0x14200 acct acct
70008 502177 10093 60929 3 0x90 nanoslp syz-executor
70008 323997 10093 60929 3 0x4000090 kqsel syz-executor
70008 360261 10093 60929 3 0x4000090 fsleep syz-executor
34214 403802 1 0 3 0x100083 ttyopn getty
10093 384763 73659 0 3 0x82 nanoslp syz-executor
99816 8710 73659 0 3 0x82 nanoslp syz-executor
28712 437051 73659 0 3 0x82 nanoslp syz-executor
28539 195044 73659 0 3 0x82 nanoslp syz-executor
29694 238240 73659 0 3 0x82 nanoslp syz-executor
11820 393912 73659 0 3 0x82 wait syz-executor
71381 224197 73659 0 3 0x82 nanoslp syz-executor
49257 294711 73659 0 3 0x82 nanoslp syz-executor
73659 363761 38064 0 3 0x82 kqread syz-executor
38064 428013 91332 0 3 0x10008a sigsusp ksh
91332 119484 70100 0 3 0x98 kqread sshd-session
70100 88981 28642 0 3 0x92 kqread sshd-session
28642 252248 1 0 3 0x88 kqread sshd
75025 447123 68165 74 3 0x1100092 bpf pflogd
68165 220117 1 0 3 0x80 sbwait pflogd
88455 422972 2564 73 3 0x1100090 kqread syslogd
2564 132377 1 0 3 0x100082 sbwait syslogd
44655 439508 1 0 3 0x100080 kqread resolvd
58533 115453 43182 77 3 0x100092 kqread dhcpleased
6007 348530 43182 77 3 0x100092 kqread dhcpleased
43182 323416 1 0 3 0x80 kqread dhcpleased
91106 180460 0 0 3 0x14200 bored smr
12020 162427 0 0 2 0x14200 zerothread
9469 153104 0 0 3 0x14200 aiodoned aiodoned
33457 316091 0 0 3 0x14200 syncer update
57723 137804 0 0 3 0x14200 cleaner cleaner
18261 67452 0 0 3 0x14200 reaper reaper
10595 490795 0 0 3 0x14200 pgdaemon pagedaemon
40289 479018 0 0 3 0x14200 bored viomb
92406 208857 0 0 3 0x40014200 acpi0 acpi0
43499 106122 0 0 3 0x40014200 idle1
74396 61083 0 0 3 0x14200 bored softnet1
91255 189604 0 0 3 0x14200 bored softnet0
86518 126887 0 0 3 0x14200 bored systqmp
3702 278972 0 0 3 0x14200 bored systq
53868 169999 0 0 3 0x14200 tmoslp softclockmp
92925 307412 0 0 3 0x40014200 tmoslp softclock
3395 499772 0 0 3 0x40014200 idle0
1 184628 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 65983 (syz-executor) thread 0xffff80003c432028 (408753)
exclusive rwlock pf_lock r = 0 (0xffffffff837c3b98)
#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 (0xffffffff83805d40)
#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 (0xffffffff837c3c28)
#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 (0xffffffff8396b118)
#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 10218 11072K 11391K 166960K 12833 0
pcb 17 12K 12K 166960K 167 0
rtable 226 14K 15K 166960K 547 0
pf 46 20K 23K 166960K 145 0
ifaddr 36 6K 7K 166960K 87 0
ifgroup 59 2K 2K 166960K 134 0
sysctl 4 1K 9K 166960K 11 0
counters 70 37K 38K 166960K 182 0
ioctlops 1 4K 4K 166960K 1788 0
iov 0 0K 16K 166960K 107 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1426 90K 91K 166960K 2493 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 20 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 33 0
dirhash 12 2K 2K 166960K 24 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 85K 166960K 1149 0
sigio 1 0K 0K 166960K 49 0
proc 72 115K 147K 166960K 599 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 1 0K 0K 166960K 149 0
in_multi 73 5K 7K 166960K 164 0
ether_multi 2 0K 0K 166960K 22 0
mrt 1 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 97 440K 440K 166960K 97 0
exec 0 0K 1K 166960K 579 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 246 168K 186K 166960K 12450 0
UVM aobj 44 6K 8K 166960K 46 0
pinsyscall 43 86K 100K 166960K 2277 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 70 0
NDP 13 0K 1K 166960K 59 0
temp 73 8674K 8833K 166960K 62247 0
kqueue 15 22K 30K 166960K 211 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 120 102 0 99 1 0 1 1 0 8 0
rtentry 176 139 0 58 5 0 5 5 0 8 0
unpcb 144 675 0 658 7 6 1 6 0 8 0
syncache 336 4 0 4 2 2 0 1 0 8 0
tcpcb 736 317 0 312 10 3 7 7 0 8 6
arp 136 24 0 8 1 0 1 1 0 8 0
inpcb 328 1005 0 994 15 8 7 7 0 8 5
nd6 152 28 0 9 1 0 1 1 0 8 0
pkpcb 40 25 0 25 3 2 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 51 0 51 3 2 1 1 0 8 1
pppxif 1504 3 0 3 3 2 1 1 0 8 1
pfstscr 40 12 0 12 3 3 0 1 0 8 0
pffrag 232 11 0 5 1 0 1 1 0 482 0
pffrnode 88 10 0 5 1 0 1 1 0 8 0
pffrent 40 17 0 11 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 6 1 1 1 0 1 1 0 8 0
pfanchor 1288 1 0 1 1 0 1 1 0 8 1
pftag 88 2 0 0 1 0 1 1 0 8 0
pfstitem 24 60 0 25 1 0 1 1 0 8 0
pfstkey 128 70 0 35 2 0 2 2 0 8 0
pfstate 448 66 0 31 5 0 5 5 0 8 0
pfrule 1344 41 0 24 3 1 2 2 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 580 0 216 31 6 25 31 0 8 0
art_table 40 584 0 216 5 0 5 5 0 8 0
art_node 32 137 0 66 1 0 1 1 0 8 0
sysvmsgpl 40 37 0 6 1 0 1 1 0 8 0
semapl 112 30 0 20 1 0 1 1 0 8 0
shmpl 112 42 0 2 2 0 2 2 0 8 0
dirhash 1024 25 0 8 3 0 3 3 0 8 0
dino2pl 256 3483 0 1981 96 0 96 96 0 8 0
ffsino 296 3483 0 1981 118 1 117 118 0 8 0
nchpl 144 5163 0 3462 64 0 64 64 0 8 0
rtmask 32 16 0 16 2 2 0 1 0 8 0
vnodes 216 4270 0 0 238 0 238 238 0 8 0
namei 1024 17175 0 17175 2 1 1 1 0 8 1
percpumem 16 106 0 56 1 0 1 1 0 8 0
vcpupl 3968 1 0 0 1 0 1 1 0 8 0
vmpool 840 1 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 90 0 60 5 2 3 3 0 8 1
scsiplug 72 3 0 3 3 3 0 1 0 8 0
scxspl 216 39367 0 39367 12 9 3 8 1 8 3
plimitpl 152 356 0 337 1 0 1 1 0 8 0
sigapl 424 1466 0 1417 6 0 6 6 0 8 0
knotepl 120 584 0 0 17 0 17 17 0 8 0
kqueuepl 224 352 0 340 2 1 1 2 0 8 0
pipepl 344 204 0 176 3 0 3 3 0 8 0
fdescpl 528 1442 0 1410 3 0 3 3 0 8 0
filepl 160 8654 0 8430 24 10 14 17 0 8 3
lockfpl 104 532 0 530 2 1 1 2 0 8 0
lockfspl 48 162 0 160 1 0 1 1 0 8 0
sessionpl 144 23 0 14 1 0 1 1 0 8 0
pgrppl 48 121 0 104 1 0 1 1 0 8 0
ucredpl 104 1467 0 1453 1 0 1 1 0 8 0
zombiepl 144 1853 0 1852 2 1 1 1 0 8 0
processpl 1232 1466 0 1417 5 0 5 5 0 8 0
procpl 664 3161 0 3103 6 0 6 6 0 8 0
sosppl 176 9 0 8 4 3 1 1 0 8 0
sockpl 752 1840 0 1809 33 22 11 17 0 8 7
mcl64k 65536 29 0 0 4 0 4 4 0 8 0
mcl16k 16384 7 0 0 1 0 1 1 0 8 0
mcl12k 12288 7 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 36 0 0 5 0 5 5 0 8 0
mtagpl 96 28 0 0 1 0 1 1 0 8 0
mbufpl 256 306 0 0 18 0 18 18 0 8 0
bufpl 280 17578 0 11441 439 0 439 439 0 8 0
anonpl 32 11810 0 0 96 0 96 96 0 246 0
amapchunkpl 152 41691 0 41195 46 21 25 31 0 158 4
amappl16 200 6705 0 6670 59 40 19 29 0 8 11
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 9 0 9 2 2 0 1 0 8 0
amappl13 176 426 0 425 1 0 1 1 0 8 0
amappl12 168 1903 0 1861 3 0 3 3 0 8 0
amappl11 160 3 0 3 1 1 0 1 0 8 0
amappl10 152 53 0 39 1 0 1 1 0 8 0
amappl9 144 355 0 355 1 1 0 1 0 8 0
amappl8 136 26 0 23 1 0 1 1 0 8 0
amappl7 128 97 0 95 1 0 1 1 0 8 0
amappl6 120 281 0 268 1 0 1 1 0 8 0
amappl5 112 77 0 66 1 0 1 1 0 8 0
amappl4 104 419 0 388 1 0 1 1 0 8 0
amappl3 96 7228 0 7133 4 1 3 3 0 8 0
amappl2 88 1558 0 1481 2 0 2 2 0 8 0
amappl1 80 13203 0 12613 14 1 13 14 0 8 0
amappl 88 11545 0 11379 5 0 5 5 0 92 0
uvmvnodes 80 147 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 6 0 6 1 1 0 1 0 8 0
dma128 128 255 0 255 3 3 0 1 0 8 0
dma64 64 7 0 7 2 2 0 1 0 8 0
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 45 0 2 1 0 1 1 0 8 0
uaddrrnd 24 1442 0 1410 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1442 0 1410 1 0 1 1 0 8 0
vmmpekpl 168 12605 0 12568 3 0 3 3 0 8 0
vmmpepl 168 97887 0 95921 126 24 102 109 0 357 9
vmsppl 488 1441 0 1410 5 1 4 5 0 8 0
rwobjpl 80 28861 0 27736 38 5 33 33 0 8 0
pdppl 4096 2894 0 2821 97 24 73 82 0 8 0
pvpl 32 19466 0 0 157 0 157 157 0 265 0
pmappl 256 1442 0 1410 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 301 0 38 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_anchor_global_RB_REMOVE(ffffffff839c1e90,ffff80000152b250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000152b6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff8000014f5758,0,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff839c2328,ffff8000014f5758,0) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:953
pfioctl(14900,cd504404,ffff800000afb000,3,ffff80003c432028) at pfioctl+0xa440 sys/net/pf_ioctl.c:2414
VOP_IOCTL(fffffd805cc41a38,cd504404,ffff800000afb000,3,fffffd80097fd5b0,ffff80003c432028) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd805d256968,cd504404,ffff800000afb000,ffff80003c432028) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80003c432028,ffff80003c414010,ffff80003c413f60) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c414010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x90b0239f920, 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
end of kernel
end trace frame: 0x725bed863440, count: -3