*cpu1: uvm_fault(0xfffffd806ed6a8a8, 0x8, 0, 1) -> e
ddb{0}> trace
proc_trampoline() at proc_trampoline+0xd6
end of kernel
end trace frame: 0x7f7ffffbd520, count: -1
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff8000212c3ce0
rbx 0
rdx 0
rcx 0
rax 0x2a
r8 0xffff8000212c3c10
r9 0
r10 0x4097b84a675fe09d
r11 0x69b5061834e620e7
r12 0
r13 0
r14 0
r15 0
rip 0xffffffff8248c4e6 proc_trampoline+0xd6
cs 0x8
rflags 0x246
rsp 0xffff8000212c3c60
ss 0
proc_trampoline+0xd6: movl $0,%gs:0x540
ddb{0}> show proc
PROC (syz-executor.5) pid=287613 stat=onproc
flags process=0 proc=0
pri=79, usrpri=79, nice=20
forw=0xffffffffffffffff, list=0xffff800026136dc8,0xffffffff82cdac60
process=0xffff800024701938 user=0xffff8000212be000, vmspace=0xfffffd8069e218b0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*97679 287613 63118 0 7 0 syz-executor.5
11650 73902 19741 0 3 0x82 nanoslp syz-executor.7
63955 270204 19741 0 3 0x82 piperd syz-executor.1
57923 461943 19741 0 7 0x3 syz-executor.3
44549 282448 1 0 3 0x100083 ttyin getty
63118 462493 19741 0 3 0x3 kernel: protection fault trap, code=0
Faulted in DDB; continuing...
ddb{0}> show all locks
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10250 6632K 7469K 78643K 18793 0
pcb 13 14K 16K 78643K 729 0
rtable 204 15K 15K 78643K 1117 0
ifaddr 78 25K 27K 78643K 440 0
sysctl 3 1K 1K 78643K 3 0
counters 58 35K 36K 78643K 388 0
ioctlops 0 0K 4K 78643K 1980 0
iov 0 0K 28K 78643K 669 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1557 97K 98K 78643K 5333 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 24 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 846 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 12 41K 93K 78643K 4688 0
sigio 0 0K 0K 78643K 376 0
proc 70 91K 115K 78643K 1227 0
subproc 117 7K 7K 78643K 338 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 438 0
in_multi 89 6K 7K 78643K 386 0
ether_multi 1 0K 0K 78643K 12 0
mrt 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 253 1129K 1129K 78643K 253 0
exec 0 0K 1K 78643K 1213 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 351 114K 119K 78643K 34179 0
UVM aobj 131 4K 4K 78643K 136 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 268 0
NDP 15 0K 1K 78643K 147 0
temp 137 5774K 5850K 78643K 46141 0
kqueue 12 18K 30K 78643K 1465 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
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 322 0 319 6 5 1 3 0 8 0
rtentry 112 383 0 293 4 0 4 4 0 8 0
unpcb 144 9508 0 9493 37 30 7 10 0 8 6
syncache 296 11 0 11 4 4 0 1 0 8 0
tcpqe 32 112 8 112 1 1 0 1 0 8 0
tcpcb 776 1387 0 1381 47 45 2 8 0 8 1
arp 120 61 0 44 1 0 1 1 0 8 0
inpcb 368 6684 0 6675 66 59 7 13 0 8 6
nd6 48 84 0 63 1 0 1 1 0 8 0
kcovpl 48 26 0 17 1 0 1 1 0 8 0
mppekey 1024 3 0 3 1 1 0 1 0 8 0
ppxss 1256 119 0 119 6 6 0 1 0 8 0
pppxif 1456 84 0 84 6 6 0 1 0 8 0
pffrag 232 8 0 8 3 3 0 1 0 482 0
pffrnode 88 8 0 8 3 3 0 1 0 8 0
pffrent 40 24 0 24 3 3 0 1 0 8 0
pfosfp 40 1434 0 1009 5 0 5 5 0 8 0
pfosfpen 112 1434 0 717 21 0 21 21 0 8 0
pfanchor 1280 6 0 0 1 0 1 1 0 8 0
pfstitem 24 146 0 133 1 0 1 1 0 8 0
pfstkey 128 146 0 133 2 0 2 2 0 8 0
pfstate 384 146 0 133 7 4 3 5 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
rttmr 136 3 0 3 1 1 0 1 0 8 0
art_heap8 4096 4 0 3 4 3 1 2 0 8 0
art_heap4 256 1604 0 1226 40 16 24 30 0 8 0
art_table 32 1608 0 1229 4 0 4 4 0 8 0
art_node 16 382 0 304 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 5 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 844 0 834 1 0 1 1 0 8 0
shmpl 112 133 0 5 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 7868 0 6413 92 0 92 92 0 8 0
ffsino 272 7868 0 6413 98 0 98 98 0 8 0
nchpl 144 14132 0 12489 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 56013 0 56013 5 4 1 2 0 8 1
percpumem 16 207 0 165 1 0 1 1 0 8 0
vmpool 696 7 0 7 2 2 0 1 0 8 0
kstatmem 264 182 0 156 3 1 2 3 0 8 0
scxspl 216 38182 0 38182 17 14 3 8 0 8 3
plimitpl 152 918 0 901 1 0 1 1 0 8 0
sigapl 424 4982 0 4915 10 2 8 8 0 8 0
futexpl 64 46767 0 46767 2 1 1 1 0 8 1
knotepl 120 506 0 0 12 0 12 12 0 8 0
kqueuepl 216 2026 0 2018 13 12 1 5 0 8 0
pipepl 320 1214 0 1185 27 24 3 8 0 8 0
fdescpl 496 4942 0 4917 7 2 5 5 0 8 0
filepl 152 45482 0 45229 60 43 17 21 0 8 6
lockfpl 104 1839 0 1837 5 4 1 2 0 8 0
lockfspl 48 625 0 623 1 0 1 1 0 8 0
sessionpl 144 43 0 25 1 0 1 1 0 8 0
pgrppl 48 160 0 142 1 0 1 1 0 8 0
ucredpl 104 5310 0 5298 1 0 1 1 0 8 0
zombiepl 144 4919 0 4915 2 1 1 1 0 8 0
processpl 1072 4982 0 4915 5 0 5 5 0 8 0
procpl 696 13907 0 13824 17 7 10 11 0 8 0
srpgc 96 24 0 24 5 4 1 1 0 8 1
sosppl 168 43 0 43 10 10 0 1 0 8 0
sockpl 488 16525 0 16498 259 247 12 33 0 8 8
sockpl: pool(0xffffffff82c01970:sockpl): free list modified: page 0xfffffd806d84d000; item ordinal 1; addr 0xfffffd806d84d201 (p 0xfffffd806d84d000); offset 0x0=0xce00a01ac353584d
pool(sockpl): free list modified: page 0xfffffd806d84d000; item ordinal 1; addr 0xfffffd806d84d201 (p 0xfffffd806d84d000); offset 0x0=0xaddeafbe
sockpl: pool(0xffffffff82c01970:sockpl): page inconsistency: page 0xfffffd806d84d000; item ordinal 2; addr 0xc2309ef6561ba0f9
mcl64k 65536 23 0 0 3 1 2 3 0 8 0
mcl16k 16384 20 0 0 3 1 2 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 15 0 0 2 0 2 2 0 8 0
mcl8k 8192 20 0 0 3 0 3 3 0 8 0
mcl4k 4096 25 0 0 4 1 3 3 0 8 0
mcl2k2 2112 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 407 0 0 50 1 49 50 0 8 0
mtagpl 96 587 0 0 14 0 14 14 0 8 0
mbufpl 256 1666 0 0 92 0 92 92 0 8 0
bufpl 288 10456 0 4134 452 0 452 452 0 8 0
anonpl 24 1021622 0 1007064 159 39 120 133 0 186 0
amapchunkpl 152 95193 0 94331 47 7 40 42 0 158 0
amappl16 200 10689 0 10164 80 50 30 41 0 8 0
amappl15 192 42 0 40 1 0 1 1 0 8 0
amappl14 184 207 0 193 2 0 2 2 0 8 0
amappl13 176 10 0 10 3 3 0 1 0 8 0
amappl12 168 635 0 631 1 0 1 1 0 8 0
amappl11 160 60 0 45 1 0 1 1 0 8 0
amappl10 152 55 0 42 1 0 1 1 0 8 0
amappl9 144 971 0 971 4 4 0 1 0 8 0
amappl8 136 359 0 267 4 0 4 4 0 8 0
amappl7 128 198 0 171 2 0 2 2 0 8 0
amappl6 120 256 0 241 2 1 1 2 0 8 0
amappl5 112 248 0 239 1 0 1 1 0 8 0
amappl4 104 713 0 683 2 1 1 2 0 8 0
amappl3 96 14381 0 14333 2 0 2 2 0 8 0
amappl2 88 5599 0 5520 3 1 2 3 0 8 0
amappl1 80 114458 0 113750 25 7 18 23 0 8 0
amappl 88 33388 0 33209 7 1 6 6 0 92 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 128 253 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 72 135 0 5 3 0 3 3 0 8 0
uaddrrnd 24 4949 0 4924 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4949 0 4924 1 0 1 1 0 8 0
vmmpekpl 168 44656 0 44582 4 0 4 4 0 8 0
vmmpepl 168 463265 0 460713 211 66 145 151 0 357 9
vmsppl 368 4948 0 4924 4 1 3 4 0 8 0
rwobjpl 56 129164 0 121389 120 8 112 115 0 8 0
pdppl 4096 9905 0 9848 301 230 71 83 0 8 14
pvpl 32 2018335 0 1998527 324 118 206 274 0 265 0
pmappl 248 4948 0 4924 3 1 2 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1230 0 326 26 0 26 26 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
proc_trampoline() at proc_trampoline+0xd6
end of kernel
end trace frame: 0x7f7ffffbd520, count: -1
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:654
comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(20) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(2d) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(2d) at db_putchar+0x316 sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8280e2a0) at db_printf+0x85 sys/kern/subr_prf.c:498
fault(ffffffff827ba30f) at fault+0x95 sys/arch/amd64/amd64/trap.c:155
kpageflttrap(ffff800021296e30,8) at kpageflttrap+0x2b7 sys/arch/amd64/amd64/trap.c:296
kerntrap(ffff800021296e30) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:339
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
fifo_write(ffff800021296f30) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:272
end trace frame: 0xffff800021296fa0, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:654
comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(20) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(2d) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(2d) at db_putchar+0x316 sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8280e2a0) at db_printf+0x85 sys/kern/subr_prf.c:498
fault(ffffffff827ba30f) at fault+0x95 sys/arch/amd64/amd64/trap.c:155
kpageflttrap(ffff800021296e30,8) at kpageflttrap+0x2b7 sys/arch/amd64/amd64/trap.c:296
kerntrap(ffff800021296e30) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:339
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
fifo_write(ffff800021296f30) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:272
VOP_WRITE(fffffd8064f37440,ffff800021296fe8,3,fffffd807f7d7750) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
ktrwriteraw(ffff8000212175d8,fffffd8064f37440,fffffd807f7d7750,ffff8000212970c8,ffff800021297090) at ktrwriteraw+0x15f sys/kern/kern_ktrace.c:660
ktrsysret(ffff8000212175d8,5b,0,ffff8000212971c0) at ktrsysret+0x18c ktrwrite2 sys/kern/kern_ktrace.c:625 [inline]
ktrsysret(ffff8000212175d8,5b,0,ffff8000212971c0) at ktrsysret+0x18c sys/kern/kern_ktrace.c:207
syscall(ffff800021297240) at syscall+0x684 mi_syscall_return sys/sys/syscall_mi.h:143 [inline]
syscall(ffff800021297240) at syscall+0x684 sys/arch/amd64/amd64/trap.c:647
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc2190, count: -19