kernel: protection fault trap, code=0
Stopped at pool_do_put+0x12e: movq 0x8(%rbx),%rbx
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
pool_do_put(ffffffff827f56f8,fffffd805c28b500) at pool_do_put+0x12e sys/kern/subr_pool.c:836
pool_put(ffffffff827f56f8,fffffd805c28b500) at pool_put+0x4b sys/kern/subr_pool.c:794
m_free(fffffd805c28b500) at m_free+0x119 sys/kern/uipc_mbuf.c:459
rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 sys/net/route.c:1199
in6_unlink_ifa(ffff8000006b5400,ffff800000ac6800) at in6_unlink_ifa+0x571 sys/netinet6/in6.c:943
in6_update_ifa(ffff800000ac6800,ffff80001d77b610,0) at in6_update_ifa+0x13e7 sys/netinet6/in6.c:875
in6_ioctl_change_ifaddr(8080691a,ffff80001d77b610,ffff800000ac6800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352
ifioctl(fffffd805da6d648,8080691a,ffff80001d77b610,ffff8000ffff84f8) at ifioctl+0xe60 sys/net/if.c:2181
sys_ioctl(ffff8000ffff84f8,ffff80001d77b728,ffff80001d77b770) at sys_ioctl+0x4a1
syscall(ffff80001d77b7f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe9730, count: -11
ddb> show registers
rdi 0
rsi 0xc35b9dd57a3f72c7
rbp 0xffff80001d77b060
rbx 0xc35b9dd57a3f72c7
rdx 0xffff80001d77afb0
rcx 0x1000 __ALIGN_SIZE
rax 0x1
r8 0x4
r9 0xffffffff817c08e6 rtrequest+0x146
r10 0xf7beb88295ed2b4d
r11 0x66104d151090246d
r12 0xfffffd805c28b500
r13 0xc35b9dd57a3f72c7
r14 0xffffffff827f56f8 mbpool
r15 0xfffffd80659eb8e8
rip 0xffffffff81a5f85e pool_do_put+0x12e
cs 0x8
rflags 0x10216 __ALIGN_SIZE+0xf216
rsp 0xffff80001d77afb0
ss 0x10
pool_do_put+0x12e: movq 0x8(%rbx),%rbx
ddb> show proc
PROC (syz-executor.0) pid=186945 stat=onproc
flags process=0 proc=0
pri=57, usrpri=57, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff828678e0
process=0xffff80001d6c0ed0 user=0xffff80001d776000, vmspace=0xfffffd806bc0aaa0
estcpu=7, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*90693 186945 57041 0 7 0 syz-executor.0
57041 200566 20237 0 3 0x82 nanosleep syz-executor.0
20237 122137 32186 0 3 0x82 thrsleep syz-execprog
20237 321116 32186 0 3 0x4000082 nanosleep syz-execprog
20237 469226 32186 0 3 0x4000082 thrsleep syz-execprog
20237 391414 32186 0 3 0x4000082 kqread syz-execprog
20237 449974 32186 0 3 0x4000082 thrsleep syz-execprog
20237 46163 32186 0 3 0x4000082 thrsleep syz-execprog
20237 508340 32186 0 3 0x4000082 thrsleep syz-execprog
32186 183018 75710 0 3 0x10008a pause ksh
75710 343787 19722 0 3 0x92 select sshd
79529 507670 1 0 3 0x100083 ttyin getty
19722 99592 1 0 3 0x80 select sshd
42597 190642 69089 73 3 0x100090 kqread syslogd
69089 396882 1 0 3 0x100082 netio syslogd
86437 278768 1 77 3 0x100090 poll dhclient
61741 472157 1 0 3 0x80 poll dhclient
76360 316277 0 0 3 0x14200 bored smr
15254 243869 0 0 2 0x14200 zerothread
69812 149860 0 0 3 0x14200 aiodoned aiodoned
43561 229228 0 0 3 0x14200 syncer update
67574 89147 0 0 3 0x14200 cleaner cleaner
17333 467838 0 0 3 0x14200 reaper reaper
52601 389086 0 0 3 0x14200 pgdaemon pagedaemon
17020 352416 0 0 3 0x14200 bored crynlk
47950 297677 0 0 3 0x14200 bored crypto
78591 427945 0 0 3 0x40014200 acpi0 acpi0
27920 174883 0 0 3 0x14200 bored softnet
83071 204065 0 0 3 0x14200 bored systqmp
79100 353393 0 0 3 0x14200 bored systq
97843 241955 0 0 3 0x40014200 bored softclock
2163 194439 0 0 3 0x40014200 idle0
1 308179 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 9441 6320K 6320K 78643K 10540 0
pcb 13 8K 8K 78643K 13 0
rtable 83 2K 2K 78643K 154 0
ifaddr 33 9K 9K 78643K 33 0
counters 20 16K 16K 78643K 20 0
ioctlops 0 0K 2K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 3 8K 12K 78643K 18 0
proc 47 38K 54K 78643K 318 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 22 1K 1K 78643K 22 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 171 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 76 11K 12K 78643K 843 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 6 0K 0K 78643K 6 0
temp 23 3849K 3913K 78643K 1620 0
kqueue 3 4K 4K 78643K 3 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 0 1 0 1 1 0 8 0
rtpcb 88 17 0 15 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 272 5 0 5 1 0 1 1 0 8 1
tcpcb 592 8 0 5 1 0 1 1 0 8 0
inpcb 296 27 0 20 1 0 1 1 0 8 0
nd6 48 3 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 144 0 0 9 0 9 9 0 8 0
art_table 32 145 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1413 0 21 87 0 87 87 0 8 0
ffsino 240 1413 0 21 82 0 82 82 0 8 0
nchpl 144 1631 0 36 60 0 60 60 0 8 0
uvmvnodes 72 1422 0 0 26 0 26 26 0 8 0
vnodes 208 1422 0 0 75 0 75 75 0 8 0
namei 1024 3937 0 3937 1 0 1 1 0 8 1
scxspl 200 4178 0 4178 1 0 1 1 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 212 0 185 4 0 4 4 0 8 0
knotepl 112 48 0 36 1 0 1 1 0 8 0
kqueuepl 152 2 0 0 1 0 1 1 0 8 0
pipepl 272 71 0 63 1 0 1 1 0 8 0
fdescpl 432 198 0 185 2 0 2 2 0 8 0
filepl 120 979 0 923 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 120 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 57 0 50 1 0 1 1 0 8 0
zombiepl 144 185 0 185 1 0 1 1 0 8 1
processpl 944 212 0 185 4 0 4 4 0 8 0
procpl 632 218 0 185 3 0 3 3 0 8 0
sockpl 400 71 0 54 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 4937 0 4909 7 3 4 7 0 8 0
mtagpl 96 2 0 2 1 1 0 1 0 8 0
mbufpl 256 8712 0 8643 6 1 5 5 0 8 0
mbufpl: pool(0xffffffff827f56f8:mbufpl): free list modified: page 0xfffffd805c28b000; item ordinal 5; addr 0xfffffd805c28b600 (p 0xfffffd80659eb000); offset 0x0=0x0
pool(mbufpl): free list modified: page 0xfffffd805c28b000; item ordinal 5; addr 0xfffffd805c28b600 (p 0xfffffd80659eb000); offset 0x0=0x0
mbufpl: pool(0xffffffff827f56f8:mbufpl): page inconsistency: page 0xfffffd805c28b000; item ordinal 6; addr 0xc35b9dd57a3f72c7
bufpl 280 2896 0 114 199 0 199 199 0 8 0
anonpl 16 20327 0 18772 14 2 12 12 0 107 4
amapchunkpl 152 769 0 704 4 0 4 4 0 158 0
amappl16 192 129 0 97 2 0 2 2 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 2 0 1 1 0 1 1 0 8 0
amappl13 168 20 0 18 1 0 1 1 0 8 0
amappl12 160 25 0 23 1 0 1 1 0 8 0
amappl11 152 45 0 33 1 0 1 1 0 8 0
amappl10 144 14 0 12 1 0 1 1 0 8 0
amappl9 136 185 0 183 1 0 1 1 0 8 0
amappl8 128 244 0 229 1 0 1 1 0 8 0
amappl7 120 96 0 87 1 0 1 1 0 8 0
amappl6 112 33 0 27 1 0 1 1 0 8 0
amappl5 104 162 0 152 1 0 1 1 0 8 0
amappl4 96 428 0 404 1 0 1 1 0 8 0
amappl3 88 129 0 119 1 0 1 1 0 8 0
amappl2 80 808 0 752 2 0 2 2 0 8 0
amappl1 72 13452 0 13056 24 7 17 17 0 8 8
amappl 80 420 0 393 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 198 0 185 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 198 0 185 1 0 1 1 0 8 0
vmmpekpl 168 6069 0 6052 1 0 1 1 0 8 0
vmmpepl 168 29451 0 28564 81 12 69 69 0 357 30
vmsppl 272 197 0 185 1 0 1 1 0 8 0
pdppl 4096 402 0 370 5 0 5 5 0 8 0
pvpl 32 104539 0 100759 101 0 101 101 0 265 69
pmappl 200 197 0 185 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 209 0 6 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
pool_do_put(ffffffff827f56f8,fffffd805c28b500) at pool_do_put+0x12e sys/kern/subr_pool.c:836
pool_put(ffffffff827f56f8,fffffd805c28b500) at pool_put+0x4b sys/kern/subr_pool.c:794
m_free(fffffd805c28b500) at m_free+0x119 sys/kern/uipc_mbuf.c:459
rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 sys/net/route.c:1199
in6_unlink_ifa(ffff8000006b5400,ffff800000ac6800) at in6_unlink_ifa+0x571 sys/netinet6/in6.c:943
in6_update_ifa(ffff800000ac6800,ffff80001d77b610,0) at in6_update_ifa+0x13e7 sys/netinet6/in6.c:875
in6_ioctl_change_ifaddr(8080691a,ffff80001d77b610,ffff800000ac6800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352
ifioctl(fffffd805da6d648,8080691a,ffff80001d77b610,ffff8000ffff84f8) at ifioctl+0xe60 sys/net/if.c:2181
sys_ioctl(ffff8000ffff84f8,ffff80001d77b728,ffff80001d77b770) at sys_ioctl+0x4a1
syscall(ffff80001d77b7f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe9730, count: -11
ddb> machine ddbcpu 1
No such command
ddb> trace
pool_do_put(ffffffff827f56f8,fffffd805c28b500) at pool_do_put+0x12e sys/kern/subr_pool.c:836
pool_put(ffffffff827f56f8,fffffd805c28b500) at pool_put+0x4b sys/kern/subr_pool.c:794
m_free(fffffd805c28b500) at m_free+0x119 sys/kern/uipc_mbuf.c:459
rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 sys/net/route.c:1199
in6_unlink_ifa(ffff8000006b5400,ffff800000ac6800) at in6_unlink_ifa+0x571 sys/netinet6/in6.c:943
in6_update_ifa(ffff800000ac6800,ffff80001d77b610,0) at in6_update_ifa+0x13e7 sys/netinet6/in6.c:875
in6_ioctl_change_ifaddr(8080691a,ffff80001d77b610,ffff800000ac6800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352
ifioctl(fffffd805da6d648,8080691a,ffff80001d77b610,ffff8000ffff84f8) at ifioctl+0xe60 sys/net/if.c:2181
sys_ioctl(ffff8000ffff84f8,ffff80001d77b728,ffff80001d77b770) at sys_ioctl+0x4a1
syscall(ffff80001d77b7f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe9730, count: -11
ddb>