uvm_fault: kpageflttrap
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syzbot
Aug 11, 2026, 6:26:38 AM (7 days ago) Aug 11
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 99858244924d hdestroy(3): stop freeing key values
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=169a1079580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=4c939b68dcd9e7f2dc55
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b84e1f2c9fe1/disk-99858244.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/089cfa393044/bsd-99858244.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f8b686940856/kernel-99858244.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4c939b...@syzkaller.appspotmail.com
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
end trace frame: 0xffff8000397a9550, count: 0
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80003a3d27f0,ffff8000397a9630,ffff8000397a9580) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff8000397a9630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000397a9630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8cabaedf620, count: -17
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000397a8cd0
rbx 0xffff80002999ee07
rdx 0xffff8000015d65c0
rcx 0xffff80003a3d27f0
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x81d48f8ce031c9a
r11 0x5cc9ffbec37e58d3
r12 0xffff80002999ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff8128d135 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff8000397a8cc0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=278929 pid=33623 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=0xffff80003a3d3cb0,0xffff80003a3d2fc8
process=0xffff80003a3d7040 user=0xffff8000397a4000, vmspace=0xfffff5006cf33018
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
81727 174463 42580 0 2 0 0 syz-executor
96730 364117 90197 0 2 0 0 syz-executor
96730 104010 90197 0 2 0 0x4000000 syz-executor
33623 335926 87843 0 2 0 0 syz-executor
*33623 278929 87843 0 7 0 0x4000000 syz-executor
77993 45997 61122 0 2 0 0 syz-executor
77993 281407 61122 0 2 0 0x4000000 syz-executor
77993 5883 61122 0 3 0 0x4000080 fsleep syz-executor
99298 517857 36568 0 2 0 0 syz-executor
99298 52888 36568 0 3 0 0x4000080 fsleep syz-executor
99298 199537 36568 0 3 0 0x4000080 fsleep syz-executor
27569 265870 39091 0 2 0 0 syz-executor
27569 285041 39091 0 3 0 0x4000080 fifor syz-executor
78945 137603 43911 0 2 0 0 syz-executor
78945 192161 43911 0 3 0 0x4000080 fsleep syz-executor
61873 183962 57984 0 3 0x100002 0x80 sbwait ndp
57984 509900 59236 0 3 0x100002 0x88 sigsusp sh
43911 150223 89603 0 2 0x2 0xc80 syz-executor
39091 200326 89603 0 7 0x2 0x1 syz-executor
42580 382670 89603 0 3 0x2 0x80 nanoslp syz-executor
59236 392658 89603 0 3 0x2 0x80 wait syz-executor
87843 243420 89603 0 2 0x2 0xc80 syz-executor
90197 343498 89603 0 3 0x2 0x80 nanoslp syz-executor
36568 98433 89603 0 3 0x2 0x80 nanoslp syz-executor
61122 219704 89603 0 2 0x2 0xc80 syz-executor
89603 119174 50749 0 3 0x2 0x80 kqread syz-executor
50749 40039 44310 0 3 0x100002 0x88 sigsusp ksh
44310 383746 72222 0 3 0x10 0x88 kqread sshd-session
72222 172055 20534 0 3 0x12 0x80 kqread sshd-session
72948 199011 1 0 3 0x100003 0x80 ttyin getty
20534 247258 1 0 3 0 0x88 kqread sshd
33402 308701 97294 74 3 0x1100012 0x80 bpf pflogd
97294 274650 1 0 3 0 0x80 sbwait pflogd
84798 360189 77385 73 3 0x1100010 0x80 kqread syslogd
77385 228340 1 0 3 0x100002 0x80 sbwait syslogd
53128 276383 1 0 3 0x100000 0x80 kqread resolvd
53170 440583 79783 77 3 0x100012 0x80 kqread dhcpleased
52899 224828 79783 77 3 0x100012 0x80 kqread dhcpleased
79783 59304 1 0 3 0 0x80 kqread dhcpleased
99366 452783 0 0 3 0x14000 0x200 bored smr
52658 455377 0 0 2 0x14000 0x200 zerothread
9097 500853 0 0 3 0x14000 0x200 aiodoned aiodoned
21109 328493 0 0 3 0x14000 0x200 syncer update
53202 128 0 0 3 0x14000 0x200 cleaner cleaner
43965 13506 0 0 3 0x14000 0x200 reaper reaper
43794 214971 0 0 3 0x14000 0x200 pgdaemon pagedaemon
44419 19952 0 0 3 0x14000 0x200 bored viomb
37023 272971 0 0 3 0x14000 0x40000200 acpi0 acpi0
36290 342912 0 0 3 0x14000 0x40000200 idle1
94618 256567 0 0 3 0x14000 0x200 bored softnet1
19041 208120 0 0 3 0x14000 0x200 bored softnet0
43054 144941 0 0 3 0x14000 0x200 bored systqmp
96450 485765 0 0 3 0x14000 0x200 bored systq
88804 311162 0 0 3 0x14000 0x200 tmoslp softclockmp
70100 179469 0 0 3 0x14000 0x40000200 tmoslp softclock
74198 370219 0 0 3 0x14000 0x40000200 idle0
1 448255 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83a804c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 rip_attach+0x117 sys/netinet/raw_ip.c:489
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
Process 33623 (syz-executor) thread 0xffff80003a3d27f0 (278929)
exclusive rwlock inet46 r = 0 (0xffff800010fd91f0)
#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 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#2 socreate+0x214 sys/kern/uipc_socket.c:220
#3 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff838f6210)
#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_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 solock_shared+0x6e sys/kern/uipc_socket2.c:343
#3 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#3 socreate+0x214 sys/kern/uipc_socket.c:220
#4 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83a804c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 rip_attach+0x117 sys/netinet/raw_ip.c:489
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11056 12085K 12153K 166960K 12166 0
pcb 17 13K 14K 166960K 68 0
rtable 243 8K 8K 166960K 365 0
pf 34 17K 37K 166960K 50 0
ifaddr 43 7K 7K 166960K 46 0
ifgroup 55 2K 2K 166960K 57 0
sysctl 1 1K 9K 166960K 5 0
counters 70 37K 37K 166960K 72 0
ioctlops 0 0K 4K 166960K 1487 0
iov 0 0K 12K 166960K 5 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1292 81K 81K 166960K 1382 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 5 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 19 69K 89K 166960K 172 0
proc 72 115K 164K 166960K 557 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 9 0
in_multi 99 6K 6K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 383 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 238 173K 175K 166960K 3314 0
UVM aobj 9 2K 2K 166960K 10 0
pinsyscall 45 90K 101K 166960K 1328 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 12 0K 2K 166960K 29 0
temp 42 9115K 9179K 166960K 5590 0
kqueue 15 24K 31K 166960K 40 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 35 0 31 1 0 1 1 0 8 0
rtentry 176 111 0 1 5 0 5 5 0 8 0
unpcb 144 52 0 33 1 0 1 1 0 8 0
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 16 0 11 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
inpcb 328 123 0 114 4 0 4 4 0 8 2
nd6 152 23 0 0 1 0 1 1 0 8 0
pkpcb 40 1 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 0 1 1 0 8 1
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 23 0 0 1 0 1 1 0 8 0
pfstkey 128 23 0 0 1 0 1 1 0 8 0
pfstate 448 23 0 0 3 0 3 3 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 457 0 0 29 0 29 29 0 8 0
art_table 40 459 0 0 5 0 5 5 0 8 0
art_node 32 111 0 11 1 0 1 1 0 8 0
semapl 72 3 0 1 1 0 1 1 0 8 0
shmpl 112 7 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1635 0 167 93 0 93 93 0 8 0
ffsino 296 1635 0 167 114 0 114 114 0 8 0
nchpl 144 1874 0 176 64 0 64 64 0 8 0
vnodes 216 1732 0 0 97 0 97 97 0 8 0
namei 1024 5820 0 5820 1 0 1 1 0 8 1
percpumem 16 52 0 1 1 0 1 1 0 8 0
kstatmem 264 29 0 2 2 0 2 2 0 8 0
scxspl 216 6445 0 6445 4 2 2 3 1 8 2
plimitpl 152 34 0 16 1 0 1 1 0 8 0
sigapl 424 489 0 440 7 0 7 7 0 8 1
knotepl 120 289 0 0 9 0 9 9 0 8 0
kqueuepl 224 35 0 24 1 0 1 1 0 8 0
pipepl 344 129 0 102 3 0 3 3 0 8 0
fdescpl 528 473 0 440 3 0 3 3 0 8 0
filepl 160 1805 0 1586 11 0 11 11 0 8 0
lockfpl 104 34 0 32 1 0 1 1 0 8 0
lockfspl 48 12 0 10 1 0 1 1 0 8 0
sessionpl 144 26 0 17 1 0 1 1 0 8 0
pgrppl 48 34 0 17 1 0 1 1 0 8 0
ucredpl 104 139 0 126 1 0 1 1 0 8 0
zombiepl 144 440 0 440 1 0 1 1 0 8 1
processpl 1232 489 0 440 5 0 5 5 0 8 0
procpl 664 557 0 500 6 0 6 6 0 8 0
sockpl 752 213 0 180 7 0 7 7 0 8 3
mcl64k 65536 16 0 0 2 0 2 2 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 121 0 0 16 0 16 16 0 8 0
mcl2k 2048 44 0 0 6 0 6 6 0 8 0
mextrefs 64 47 0 0 1 0 1 1 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 251 0 0 16 0 16 16 0 8 0
bufpl 272 2398 0 105 153 0 153 153 0 8 0
anonpl 32 3673 0 0 30 0 30 30 0 247 0
amapchunkpl 152 8969 0 8495 21 0 21 21 0 158 0
amappl16 200 1493 0 1470 5 1 4 5 0 8 2
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 429 0 427 1 0 1 1 0 8 0
amappl13 176 120 0 107 1 0 1 1 0 8 0
amappl12 168 718 0 687 2 0 2 2 0 8 0
amappl11 160 160 0 160 1 1 0 1 0 8 0
amappl10 152 61 0 47 1 0 1 1 0 8 0
amappl9 144 272 0 272 1 1 0 1 0 8 0
amappl8 136 101 0 99 1 0 1 1 0 8 0
amappl7 128 216 0 202 1 0 1 1 0 8 0
amappl6 120 191 0 189 1 0 1 1 0 8 0
amappl5 112 97 0 86 1 0 1 1 0 8 0
amappl4 104 296 0 275 1 0 1 1 0 8 0
amappl3 96 1628 0 1533 4 1 3 4 0 8 0
amappl2 88 604 0 524 2 0 2 2 0 8 0
amappl1 80 10567 0 9939 14 0 14 14 0 8 0
amappl 88 2583 0 2424 4 0 4 4 0 92 0
uvmvnodes 80 99 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 128 253 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 9 0 1 1 0 1 1 0 8 0
uaddrrnd 24 473 0 440 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 473 0 440 1 0 1 1 0 8 0
vmmpekpl 168 5909 0 5878 2 0 2 2 0 8 0
vmmpepl 168 39649 0 37682 88 0 88 88 0 357 1
vmsppl 488 472 0 440 5 0 5 5 0 8 0
rwobjpl 80 14614 0 13550 24 0 24 24 0 8 1
pdppl 4096 953 0 880 95 20 75 83 0 8 2
pvpl 32 10244 0 0 83 0 83 83 0 265 0
pmappl 256 472 0 440 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 431 0 23 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83954ff0) 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
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
intr_handler(ffff80002a35c380,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a35c620) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a35c620) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e0255615bf0, count: 5
ddb{0}> trace
x86_ipi_db(ffffffff83954ff0) 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
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
intr_handler(ffff80002a35c380,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a35c620) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a35c620) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e0255615bf0, count: -10
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
end trace frame: 0xffff8000397a9550, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80003a3d27f0,ffff8000397a9630,ffff8000397a9580) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff8000397a9630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000397a9630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8cabaedf620, count: -17
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 99858244924d hdestroy(3): stop freeing key values
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=169a1079580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=4c939b68dcd9e7f2dc55
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b84e1f2c9fe1/disk-99858244.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/089cfa393044/bsd-99858244.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f8b686940856/kernel-99858244.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4c939b...@syzkaller.appspotmail.com
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
end trace frame: 0xffff8000397a9550, count: 0
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80003a3d27f0,ffff8000397a9630,ffff8000397a9580) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff8000397a9630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000397a9630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8cabaedf620, count: -17
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000397a8cd0
rbx 0xffff80002999ee07
rdx 0xffff8000015d65c0
rcx 0xffff80003a3d27f0
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x81d48f8ce031c9a
r11 0x5cc9ffbec37e58d3
r12 0xffff80002999ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff8128d135 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff8000397a8cc0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=278929 pid=33623 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=0xffff80003a3d3cb0,0xffff80003a3d2fc8
process=0xffff80003a3d7040 user=0xffff8000397a4000, vmspace=0xfffff5006cf33018
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
81727 174463 42580 0 2 0 0 syz-executor
96730 364117 90197 0 2 0 0 syz-executor
96730 104010 90197 0 2 0 0x4000000 syz-executor
33623 335926 87843 0 2 0 0 syz-executor
*33623 278929 87843 0 7 0 0x4000000 syz-executor
77993 45997 61122 0 2 0 0 syz-executor
77993 281407 61122 0 2 0 0x4000000 syz-executor
77993 5883 61122 0 3 0 0x4000080 fsleep syz-executor
99298 517857 36568 0 2 0 0 syz-executor
99298 52888 36568 0 3 0 0x4000080 fsleep syz-executor
99298 199537 36568 0 3 0 0x4000080 fsleep syz-executor
27569 265870 39091 0 2 0 0 syz-executor
27569 285041 39091 0 3 0 0x4000080 fifor syz-executor
78945 137603 43911 0 2 0 0 syz-executor
78945 192161 43911 0 3 0 0x4000080 fsleep syz-executor
61873 183962 57984 0 3 0x100002 0x80 sbwait ndp
57984 509900 59236 0 3 0x100002 0x88 sigsusp sh
43911 150223 89603 0 2 0x2 0xc80 syz-executor
39091 200326 89603 0 7 0x2 0x1 syz-executor
42580 382670 89603 0 3 0x2 0x80 nanoslp syz-executor
59236 392658 89603 0 3 0x2 0x80 wait syz-executor
87843 243420 89603 0 2 0x2 0xc80 syz-executor
90197 343498 89603 0 3 0x2 0x80 nanoslp syz-executor
36568 98433 89603 0 3 0x2 0x80 nanoslp syz-executor
61122 219704 89603 0 2 0x2 0xc80 syz-executor
89603 119174 50749 0 3 0x2 0x80 kqread syz-executor
50749 40039 44310 0 3 0x100002 0x88 sigsusp ksh
44310 383746 72222 0 3 0x10 0x88 kqread sshd-session
72222 172055 20534 0 3 0x12 0x80 kqread sshd-session
72948 199011 1 0 3 0x100003 0x80 ttyin getty
20534 247258 1 0 3 0 0x88 kqread sshd
33402 308701 97294 74 3 0x1100012 0x80 bpf pflogd
97294 274650 1 0 3 0 0x80 sbwait pflogd
84798 360189 77385 73 3 0x1100010 0x80 kqread syslogd
77385 228340 1 0 3 0x100002 0x80 sbwait syslogd
53128 276383 1 0 3 0x100000 0x80 kqread resolvd
53170 440583 79783 77 3 0x100012 0x80 kqread dhcpleased
52899 224828 79783 77 3 0x100012 0x80 kqread dhcpleased
79783 59304 1 0 3 0 0x80 kqread dhcpleased
99366 452783 0 0 3 0x14000 0x200 bored smr
52658 455377 0 0 2 0x14000 0x200 zerothread
9097 500853 0 0 3 0x14000 0x200 aiodoned aiodoned
21109 328493 0 0 3 0x14000 0x200 syncer update
53202 128 0 0 3 0x14000 0x200 cleaner cleaner
43965 13506 0 0 3 0x14000 0x200 reaper reaper
43794 214971 0 0 3 0x14000 0x200 pgdaemon pagedaemon
44419 19952 0 0 3 0x14000 0x200 bored viomb
37023 272971 0 0 3 0x14000 0x40000200 acpi0 acpi0
36290 342912 0 0 3 0x14000 0x40000200 idle1
94618 256567 0 0 3 0x14000 0x200 bored softnet1
19041 208120 0 0 3 0x14000 0x200 bored softnet0
43054 144941 0 0 3 0x14000 0x200 bored systqmp
96450 485765 0 0 3 0x14000 0x200 bored systq
88804 311162 0 0 3 0x14000 0x200 tmoslp softclockmp
70100 179469 0 0 3 0x14000 0x40000200 tmoslp softclock
74198 370219 0 0 3 0x14000 0x40000200 idle0
1 448255 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83a804c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 rip_attach+0x117 sys/netinet/raw_ip.c:489
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
Process 33623 (syz-executor) thread 0xffff80003a3d27f0 (278929)
exclusive rwlock inet46 r = 0 (0xffff800010fd91f0)
#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 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#2 socreate+0x214 sys/kern/uipc_socket.c:220
#3 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff838f6210)
#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_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 solock_shared+0x6e sys/kern/uipc_socket2.c:343
#3 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#3 socreate+0x214 sys/kern/uipc_socket.c:220
#4 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83a804c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 rip_attach+0x117 sys/netinet/raw_ip.c:489
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11056 12085K 12153K 166960K 12166 0
pcb 17 13K 14K 166960K 68 0
rtable 243 8K 8K 166960K 365 0
pf 34 17K 37K 166960K 50 0
ifaddr 43 7K 7K 166960K 46 0
ifgroup 55 2K 2K 166960K 57 0
sysctl 1 1K 9K 166960K 5 0
counters 70 37K 37K 166960K 72 0
ioctlops 0 0K 4K 166960K 1487 0
iov 0 0K 12K 166960K 5 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1292 81K 81K 166960K 1382 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 5 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 19 69K 89K 166960K 172 0
proc 72 115K 164K 166960K 557 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 9 0
in_multi 99 6K 6K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 383 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 238 173K 175K 166960K 3314 0
UVM aobj 9 2K 2K 166960K 10 0
pinsyscall 45 90K 101K 166960K 1328 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 12 0K 2K 166960K 29 0
temp 42 9115K 9179K 166960K 5590 0
kqueue 15 24K 31K 166960K 40 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 35 0 31 1 0 1 1 0 8 0
rtentry 176 111 0 1 5 0 5 5 0 8 0
unpcb 144 52 0 33 1 0 1 1 0 8 0
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 16 0 11 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
inpcb 328 123 0 114 4 0 4 4 0 8 2
nd6 152 23 0 0 1 0 1 1 0 8 0
pkpcb 40 1 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 0 1 1 0 8 1
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 23 0 0 1 0 1 1 0 8 0
pfstkey 128 23 0 0 1 0 1 1 0 8 0
pfstate 448 23 0 0 3 0 3 3 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 457 0 0 29 0 29 29 0 8 0
art_table 40 459 0 0 5 0 5 5 0 8 0
art_node 32 111 0 11 1 0 1 1 0 8 0
semapl 72 3 0 1 1 0 1 1 0 8 0
shmpl 112 7 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1635 0 167 93 0 93 93 0 8 0
ffsino 296 1635 0 167 114 0 114 114 0 8 0
nchpl 144 1874 0 176 64 0 64 64 0 8 0
vnodes 216 1732 0 0 97 0 97 97 0 8 0
namei 1024 5820 0 5820 1 0 1 1 0 8 1
percpumem 16 52 0 1 1 0 1 1 0 8 0
kstatmem 264 29 0 2 2 0 2 2 0 8 0
scxspl 216 6445 0 6445 4 2 2 3 1 8 2
plimitpl 152 34 0 16 1 0 1 1 0 8 0
sigapl 424 489 0 440 7 0 7 7 0 8 1
knotepl 120 289 0 0 9 0 9 9 0 8 0
kqueuepl 224 35 0 24 1 0 1 1 0 8 0
pipepl 344 129 0 102 3 0 3 3 0 8 0
fdescpl 528 473 0 440 3 0 3 3 0 8 0
filepl 160 1805 0 1586 11 0 11 11 0 8 0
lockfpl 104 34 0 32 1 0 1 1 0 8 0
lockfspl 48 12 0 10 1 0 1 1 0 8 0
sessionpl 144 26 0 17 1 0 1 1 0 8 0
pgrppl 48 34 0 17 1 0 1 1 0 8 0
ucredpl 104 139 0 126 1 0 1 1 0 8 0
zombiepl 144 440 0 440 1 0 1 1 0 8 1
processpl 1232 489 0 440 5 0 5 5 0 8 0
procpl 664 557 0 500 6 0 6 6 0 8 0
sockpl 752 213 0 180 7 0 7 7 0 8 3
mcl64k 65536 16 0 0 2 0 2 2 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 121 0 0 16 0 16 16 0 8 0
mcl2k 2048 44 0 0 6 0 6 6 0 8 0
mextrefs 64 47 0 0 1 0 1 1 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 251 0 0 16 0 16 16 0 8 0
bufpl 272 2398 0 105 153 0 153 153 0 8 0
anonpl 32 3673 0 0 30 0 30 30 0 247 0
amapchunkpl 152 8969 0 8495 21 0 21 21 0 158 0
amappl16 200 1493 0 1470 5 1 4 5 0 8 2
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 429 0 427 1 0 1 1 0 8 0
amappl13 176 120 0 107 1 0 1 1 0 8 0
amappl12 168 718 0 687 2 0 2 2 0 8 0
amappl11 160 160 0 160 1 1 0 1 0 8 0
amappl10 152 61 0 47 1 0 1 1 0 8 0
amappl9 144 272 0 272 1 1 0 1 0 8 0
amappl8 136 101 0 99 1 0 1 1 0 8 0
amappl7 128 216 0 202 1 0 1 1 0 8 0
amappl6 120 191 0 189 1 0 1 1 0 8 0
amappl5 112 97 0 86 1 0 1 1 0 8 0
amappl4 104 296 0 275 1 0 1 1 0 8 0
amappl3 96 1628 0 1533 4 1 3 4 0 8 0
amappl2 88 604 0 524 2 0 2 2 0 8 0
amappl1 80 10567 0 9939 14 0 14 14 0 8 0
amappl 88 2583 0 2424 4 0 4 4 0 92 0
uvmvnodes 80 99 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 128 253 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 9 0 1 1 0 1 1 0 8 0
uaddrrnd 24 473 0 440 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 473 0 440 1 0 1 1 0 8 0
vmmpekpl 168 5909 0 5878 2 0 2 2 0 8 0
vmmpepl 168 39649 0 37682 88 0 88 88 0 357 1
vmsppl 488 472 0 440 5 0 5 5 0 8 0
rwobjpl 80 14614 0 13550 24 0 24 24 0 8 1
pdppl 4096 953 0 880 95 20 75 83 0 8 2
pvpl 32 10244 0 0 83 0 83 83 0 265 0
pmappl 256 472 0 440 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 431 0 23 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83954ff0) 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
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
intr_handler(ffff80002a35c380,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a35c620) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a35c620) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e0255615bf0, count: 5
ddb{0}> trace
x86_ipi_db(ffffffff83954ff0) 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
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
intr_handler(ffff80002a35c380,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7f00) at __mp_lock+0x199 sys/kern/kern_lock.c:173
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff800045fef770,5b,0,ffff80002a35c570) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a35c620) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a35c620) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e0255615bf0, count: -10
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
end trace frame: 0xffff8000397a9550, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8356256f) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff5006cf33118,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff5006cf33100,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff8000397a9090,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff8000397a9090,ffff8000397a90c8,ffff8000397a9100,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff5006cf33018,a00000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff8000397a9240,a00000094) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff8000397a9240) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
in_pcbhash_insert(fffff5006ff95b88) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800010fd91d0,ffffffff83a804b8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
rip_attach(ffff800010fd91d0,fc,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff8000397a94e0,3,fc) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80003a3d27f0,ffff8000397a9630,ffff8000397a9580) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff8000397a9630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000397a9630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8cabaedf620, count: -17
---
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