uvm_fault(0xffffffff827b2b20, 0xfffffd0000000010, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff827b2b20, 0xfffffd0000000010, 0, 1) -> e
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline]
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884
end trace frame: 0xffff800020da9030, count: 0
ddb{0}> trace
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline]
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884
pool_get(ffffffff828dde60,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8079046700,1b80,20c,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8079046700,1b80,20c,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000ada760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
tcp_input(ffff800020da95c8,ffff800020da95d4,6,2) at tcp_input+0x2356
ip_deliver(ffff800020da95c8,ffff800020da95d4,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668
ip_ours(ffff800020da95c8,ffff800020da95d4,ffff800020d88c30,0) at ip_ours+0x412
ip_input_if(ffff800020da95c8,ffff800020da95d4,4,0,ffff80000017b2a8) at ip_input_if+0x6ce
ipv4_input(ffff80000017b2a8,fffffd806f377300) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff80000017b2a8,fffffd806f377300,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_input_process(ffff80000017b2a8,ffff800020da96f8) at if_input_process+0x10b if_ih_input sys/net/if.c:902 [inline]
if_input_process(ffff80000017b2a8,ffff800020da96f8) at if_input_process+0x10b sys/net/if.c:936
ifiq_process(ffff80000017b6a8) at ifiq_process+0x80 sys/net/ifq.c:768
taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437
end trace frame: 0x0, count: -13
ddb{0}> show registers
rdi 0
rsi 0x7
rbp 0xffff800020da8f70
rbx 0x58925331c7532219
rdx 0x20c
rcx 0
rax 0
r8 0xffffffff815aeafa tcp_output+0xbea
r9 0x5
r10 0x3
r11 0xd55d3be3262016a6
r12 0xffffffff828dde60 mbpool
r13 0
r14 0xfffffd0000000000
r15 0xfffffd807f009d80
rip 0xffffffff82057cb1 pool_cache_get+0x1b1
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff800020da8f10
ss 0x10
pool_cache_get+0x1b1: movq 0x10(%r14),%r13
ddb{0}> show proc
PROC (softnet) pid=439386 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=32, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff800020d88ea0,0xffff800020d88760
process=0xffff800020d8aba0 user=0xffff800020da4000, vmspace=0xffffffff828d7210
estcpu=1, cpticks=2, pctcpu=1.17
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
46417 212324 87005 0 7 0 syz-executor.1
46417 249435 87005 0 3 0x4000080 kqread syz-executor.1
99790 380496 0 0 3 0x14200 bored sosplice
87005 397449 15212 0 3 0x82 nanosleep syz-executor.1
53418 34628 15212 0 3 0x2 biowait syz-executor.0
15212 329019 57169 0 3 0x82 kqread syz-fuzzer
15212 393271 57169 0 3 0x4000082 nanosleep syz-fuzzer
15212 192484 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 141909 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 267291 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 490686 57169 0 3 0x4000082 nanosleep syz-fuzzer
15212 205534 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 63392 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 113319 57169 0 3 0x4000082 thrsleep syz-fuzzer
15212 342908 57169 0 3 0x4000082 thrsleep syz-fuzzer
57169 396816 56127 0 3 0x10008a pause ksh
56127 222952 7884 0 3 0x92 select sshd
4498 289630 1 0 3 0x100083 ttyin getty
7884 239318 1 0 3 0x80 select sshd
61397 418504 4797 74 3 0x100092 bpf pflogd
4797 346804 1 0 3 0x80 netio pflogd
7520 129590 86437 73 3 0x100090 kqread syslogd
86437 217805 1 0 3 0x100082 netio syslogd
55708 104329 1 77 3 0x100090 poll dhclient
99986 126341 1 0 3 0x80 poll dhclient
99810 423716 0 0 3 0x14200 bored smr
90848 457471 0 0 3 0x14200 pgzero zerothread
45562 252919 0 0 3 0x14200 aiodoned aiodoned
90589 467704 0 0 3 0x14200 syncer update
56590 140087 0 0 3 0x14200 cleaner cleaner
75759 411471 0 0 3 0x14200 reaper reaper
48239 13339 0 0 3 0x14200 pgdaemon pagedaemon
74057 473410 0 0 3 0x14200 bored crynlk
7761 70553 0 0 3 0x14200 bored crypto
29877 316498 0 0 3 0x40014200 acpi0 acpi0
91404 88242 0 0 3 0x40014200 idle1
*79357 439386 0 0 7 0x14200 softnet
44756 158338 0 0 3 0x14200 bored systqmp
88256 233510 0 0 3 0x14200 bored systq
40121 318468 0 0 3 0x40014200 bored softclock
7940 373799 0 0 3 0x40014200 idle0
1 468706 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 53418 (syz-executor.0) thread 0xffff800020ddd868 (34628)
exclusive rrwlock inode r = 0 (0xfffffd8064c7cc50)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 rw_enter+0x453 sys/kern/kern_rwlock.c:311
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358
#5 ffs_inode_alloc+0x1e2 sys/ufs/ffs/ffs_alloc.c:394
#6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450
#8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3051
#9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#10 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b203098)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 rw_enter+0x453 sys/kern/kern_rwlock.c:311
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:575
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x63c sys/kern/vfs_lookup.c:249
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3036
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#9 Xsyscall+0x128
Process 79357 (softnet) thread 0xffff800020d88c30 (439386)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828dfd48)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180
#2 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302
#3 alltraps_kern_meltdown+0x7b
#4 pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline]
#4 pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884
#5 pool_get+0x91 sys/kern/subr_pool.c:572
#6 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
#6 m_copym+0x174 sys/kern/uipc_mbuf.c:667
#7 tcp_output+0x15ba sys/netinet/tcp_output.c:673
#8 tcp_input+0x2356
#9 ip_deliver+0x353 sys/netinet/ip_input.c:668
#10 ip_ours+0x412
#11 ip_input_if+0x6ce
#12 ipv4_input+0x48 sys/netinet/ip_input.c:215
#13 ether_input+0x345 sys/net/if_ethersubr.c:461
#14 if_input_process+0x10b if_ih_input sys/net/if.c:902 [inline]
#14 if_input_process+0x10b sys/net/if.c:936
#15 ifiq_process+0x80 sys/net/ifq.c:768
#16 taskq_thread+0xec sys/kern/kern_task.c:437
#17 proc_trampoline+0x1c
exclusive rwlock netlock r = 0 (0xffffffff827a4e48)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 if_input_process+0x85 sys/net/if.c:935
#2 ifiq_process+0x80 sys/net/ifq.c:768
#3 taskq_thread+0xec sys/kern/kern_task.c:437
#4 proc_trampoline+0x1c
shared rwlock softnet r = 0 (0xffff80000002c070)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 taskq_thread+0xdf sys/kern/kern_task.c:436
#2 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9496 6407K 6667K 78643K 10725 0
pcb 13 8K 8K 78643K 35 0
rtable 108 4K 4K 78643K 252 0
ifaddr 63 13K 13K 78643K 77 0
counters 43 33K 34K 78643K 45 0
ioctlops 0 0K 4K 78643K 1487 0
iov 0 0K 16K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1267 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 18 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 5 13K 25K 78643K 137 0
proc 62 63K 83K 78643K 454 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 2 0
in_multi 49 2K 2K 78643K 86 0
ether_multi 1 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 37 175K 175K 78643K 37 0
exec 0 0K 1K 78643K 215 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 129 39K 55K 78643K 1389 0
UVM aobj 5 2K 2K 78643K 5 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 10 0
NDP 9 0K 0K 78643K 18 0
temp 82 3857K 3921K 78643K 3720 0
kqueue 3 4K 8K 78643K 13 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 8 0 1 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 21 0 19 1 0 1 1 0 8 0
rtentry 112 62 0 18 2 0 2 2 0 8 0
unpcb 120 59 0 49 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 159 0 159 1 1 0 1 0 8 0
tcpcb 544 32 0 28 1 0 1 1 0 8 0
inpcb 296 153 0 146 2 0 2 2 0 8 1
nd6 48 14 0 9 1 0 1 1 0 8 0
ppxss 1128 1 0 1 1 0 1 1 0 8 1
pfstscr 40 1 0 1 1 0 1 1 0 8 1
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 2 0 1 1 0 1 1 0 8 0
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 17 0 1 1 0 1 1 0 8 0
pfstkey 112 19 0 3 1 0 1 1 0 8 0
pfstate 328 18 0 2 2 0 2 2 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 222 0 42 13 0 13 13 0 8 0
art_table 32 223 0 42 2 0 2 2 0 8 0
art_node 16 61 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 7 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 16 0 6 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1586 0 178 89 0 89 89 0 8 0
ffsino 272 1586 0 178 95 0 95 95 0 8 0
nchpl 144 2080 0 471 60 0 60 60 0 8 0
uvmvnodes 72 1663 0 0 31 0 31 31 0 8 0
vnodes 208 1663 0 0 88 0 88 88 0 8 0
namei 1024 5687 0 5686 1 0 1 1 0 8 0
percpumem 16 33 0 1 1 0 1 1 0 8 0
vcpupl 1984 2 0 0 1 0 1 1 0 8 0
vmpool 560 6 0 4 1 0 1 1 0 8 0
scxspl 192 6011 0 6010 8 1 7 7 0 8 6
plimitpl 152 24 0 16 1 0 1 1 0 8 0
sigapl 424 353 0 321 4 0 4 4 0 8 0
futexpl 56 1775 0 1775 1 0 1 1 0 8 1
knotepl 112 74 0 55 1 0 1 1 0 8 0
kqueuepl 144 21 0 18 1 0 1 1 0 8 0
pipepl 304 90 0 80 1 0 1 1 0 8 0
fdescpl 496 337 0 321 3 0 3 3 0 8 0
filepl 152 1871 0 1768 5 0 5 5 0 8 1
lockfpl 104 28 0 27 1 0 1 1 0 8 0
lockfspl 48 10 0 9 1 0 1 1 0 8 0
sessionpl 112 18 0 7 1 0 1 1 0 8 0
pgrppl 48 18 0 7 1 0 1 1 0 8 0
ucredpl 96 125 0 116 1 0 1 1 0 8 0
zombiepl 144 321 0 321 1 0 1 1 0 8 1
processpl 992 353 0 321 5 0 5 5 0 8 0
procpl 624 600 0 558 4 0 4 4 0 8 0
sosppl 128 3 0 3 1 0 1 1 0 8 1
sockpl 400 233 0 214 3 0 3 3 0 8 1
mcl64k 65536 7 0 0 1 0 1 1 0 8 0
mcl12k 12288 5 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 147 0 0 18 0 18 18 0 8 0
mtagpl 96 14 0 0 1 0 1 1 0 8 0
mbufpl 256 190 0 0 11 0 11 11 0 8 0
bufpl 280 3651 0 133 252 0 252 252 0 8 0
anonpl 16 46731 0 30158 69 1 68 68 0 124 0
amapchunkpl 152 2108 0 1965 20 0 20 20 0 158 12
amappl16 192 1505 0 605 47 0 47 47 0 8 2
amappl15 184 55 0 52 1 0 1 1 0 8 0
amappl14 176 26 0 20 1 0 1 1 0 8 0
amappl13 168 28 0 25 1 0 1 1 0 8 0
amappl12 160 3 0 2 2 1 1 1 0 8 0
amappl11 152 53 0 38 1 0 1 1 0 8 0
amappl10 144 76 0 67 1 0 1 1 0 8 0
amappl9 136 387 0 385 1 0 1 1 0 8 0
amappl8 128 369 0 334 2 0 2 2 0 8 0
amappl7 120 124 0 112 1 0 1 1 0 8 0
amappl6 112 27 0 21 1 0 1 1 0 8 0
amappl5 104 237 0 221 1 0 1 1 0 8 0
amappl4 96 492 0 464 1 0 1 1 0 8 0
amappl3 88 107 0 99 1 0 1 1 0 8 0
amappl2 80 1816 0 1743 2 0 2 2 0 8 0
amappl1 72 17528 0 17083 23 10 13 18 0 8 3
amappl 80 860 0 816 2 0 2 2 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 343 0 325 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 343 0 325 1 0 1 1 0 8 0
vmmpekpl 168 6600 0 6562 2 0 2 2 0 8 0
vmmpepl 168 48572 0 46497 126 7 119 119 0 357 27
vmsppl 368 342 0 325 2 0 2 2 0 8 0
pdppl 4096 693 0 652 6 0 6 6 0 8 0
pvpl 32 160172 0 140467 167 0 167 167 0 265 7
pmappl 232 342 0 325 2 0 2 2 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 254 0 3 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline]
pool_cache_get(ffffffff828dde60) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884
pool_get(ffffffff828dde60,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8079046700,1b80,20c,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8079046700,1b80,20c,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000ada760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
tcp_input(ffff800020da95c8,ffff800020da95d4,6,2) at tcp_input+0x2356
ip_deliver(ffff800020da95c8,ffff800020da95d4,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668
ip_ours(ffff800020da95c8,ffff800020da95d4,ffff800020d88c30,0) at ip_ours+0x412
ip_input_if(ffff800020da95c8,ffff800020da95d4,4,0,ffff80000017b2a8) at ip_input_if+0x6ce
ipv4_input(ffff80000017b2a8,fffffd806f377300) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff80000017b2a8,fffffd806f377300,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_input_process(ffff80000017b2a8,ffff800020da96f8) at if_input_process+0x10b if_ih_input sys/net/if.c:902 [inline]
if_input_process(ffff80000017b2a8,ffff800020da96f8) at if_input_process+0x10b sys/net/if.c:936
ifiq_process(ffff80000017b6a8) at ifiq_process+0x80 sys/net/ifq.c:768
taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437
end trace frame: 0x0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff828dfb40) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828dfb40) at __mp_lock+0x120 sys/kern/kern_lock.c:147
pageflttrap(ffff800021ee6d50,1) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180
usertrap(ffff800021ee6d50) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7ffffd4bb0, count: -7