protection_fault: done_flush
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syzbot
Dec 30, 2021, 8:45:21 PM12/30/21
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: b27c3a9c3f12 relayd(8): don't create sockets between CAs a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17b80353b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=a07e64c4b407fa8ff858
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a07e64...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at done_flush+0x38: movl %eax,%dr6
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
done_flush() at done_flush+0x38
vm_run(ffff8000212599f0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4295
vmmioctl(a00,c0205602,ffff8000212599f0,1,ffff800022caa7e8) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
VOP_IOCTL(fffffd806e57e210,c0205602,ffff8000212599f0,1,fffffd807f7d72a0,ffff800022caa7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd80085dd998,c0205602,ffff8000212599f0,ffff800022caa7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800022caa7e8,ffff800021259b08,ffff800021259b60) at sys_ioctl+0x4a2
syscall(ffff800021259bd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021259bd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe4972d55b90, count: -8
ddb{0}> show registers
rdi 0x6c14 __ALIGN_SIZE+0x5c14
rsi 0xffff8000246d9e38
rbp 0xffff800021259760
rbx 0x756e6547
rdx 0x49656e69
rcx 0x6c65746e
rax 0x877e585abea967b5
r8 0
r9 0x10000 __ALIGN_SIZE+0xf000
r10 0x8de0a20d00b58a75
r11 0x20525825db076e9f
r12 0xffffffff827ab490 dt_prov_static
r13 0x246
r14 0xffff8000246d9800
r15 0xffff8000212599f0
rip 0xffffffff82367120 done_flush+0x38
cs 0x8
rflags 0x10046 __ALIGN_SIZE+0xf046
rsp 0xffff8000212595b6
ss 0x10
done_flush+0x38: movl %eax,%dr6
ddb{0}> show proc
PROC (syz-executor.3) pid=111459 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=72, nice=20
forw=0xffffffffffffffff, list=0xffff800022caad28,0xffffffff8283f4d0
process=0xffff800027b76590 user=0xffff800021254000, vmspace=0xfffffd8067655308
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
57587 114840 43539 0 2 0 syz-executor.3
*57587 111459 43539 0 7 0x4000000 syz-executor.3
24853 128884 13607 0 2 0 syz-executor.2
2977 482693 31133 0 2 0 syz-executor.1
43539 299666 13217 0 3 0x82 nanoslp syz-executor.3
13607 386579 13217 0 3 0x82 nanoslp syz-executor.2
74969 63448 0 0 3 0x14280 nfsidl nfsio
25398 430066 0 0 3 0x14280 nfsidl nfsio
38657 398900 0 0 3 0x14280 nfsidl nfsio
53818 513075 0 0 3 0x14280 nfsidl nfsio
310 348325 0 0 3 0x14280 nfsidl nfsio
35463 91501 0 0 3 0x14280 nfsidl nfsio
6588 396869 0 0 3 0x14280 nfsidl nfsio
48564 327529 0 0 3 0x14280 nfsidl nfsio
47824 474631 0 0 3 0x14280 nfsidl nfsio
65056 389683 0 0 3 0x14280 nfsidl nfsio
94932 33524 0 0 3 0x14280 nfsidl nfsio
4671 509217 0 0 3 0x14280 nfsidl nfsio
36927 141811 0 0 3 0x14280 nfsidl nfsio
36393 378625 0 0 3 0x14280 nfsidl nfsio
50695 355777 0 0 3 0x14280 nfsidl nfsio
86311 31871 0 0 3 0x14280 nfsidl nfsio
69376 371962 0 0 3 0x14280 nfsidl nfsio
68572 13493 0 0 3 0x14280 nfsidl nfsio
75346 514180 0 0 3 0x14280 nfsidl nfsio
83649 512522 0 0 3 0x14280 nfsidl nfsio
31133 32793 13217 0 3 0x82 nanoslp syz-executor.1
14430 231816 13217 0 2 0x2 syz-executor.0
85080 233964 1 0 3 0x100083 ttyin getty
44523 419712 0 0 3 0x14200 acct acct
27297 505722 0 0 3 0x14200 bored sosplice
13217 119626 60632 0 3 0x82 thrsleep syz-fuzzer
13217 290017 60632 0 3 0x4000082 nanoslp syz-fuzzer
13217 39654 60632 0 3 0x4000082 kqread syz-fuzzer
13217 254411 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 368474 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 486627 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 324075 60632 0 3 0x4000082 nanoslp syz-fuzzer
13217 323027 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 253960 60632 0 3 0x4000082 thrsleep syz-fuzzer
60632 85027 20685 0 3 0x10008a sigsusp ksh
20685 83286 95275 0 3 0x9a poll sshd
95275 26938 1 0 3 0x88 poll sshd
2614 302877 74678 74 3 0x100092 bpf pflogd
74678 485809 1 0 3 0x80 netio pflogd
33006 66855 55085 73 3 0x100090 kqread syslogd
55085 407128 1 0 3 0x100082 netio syslogd
91373 360219 1 0 3 0x100080 kqread resolvd
17685 1150 28606 77 3 0x100092 kqread dhcpleased
60946 245580 28606 77 3 0x100092 kqread dhcpleased
28606 425957 1 0 3 0x80 kqread dhcpleased
80466 400857 0 0 3 0x14200 bored smr
29780 331204 0 0 2 0x14200 zerothread
23142 140130 0 0 3 0x14200 aiodoned aiodoned
42734 520452 0 0 3 0x14200 syncer update
11847 338844 0 0 3 0x14200 cleaner cleaner
26829 511192 0 0 3 0x14200 reaper reaper
23918 456686 0 0 3 0x14200 pgdaemon pagedaemon
50212 136058 0 0 3 0x14200 bored viomb
85054 101886 0 0 3 0x40014200 acpi0 acpi0
76844 502125 0 0 7 0x40014200 idle1
99686 325246 0 0 3 0x14200 bored softnet
56467 304529 0 0 3 0x14200 bored systqmp
22436 1781 0 0 3 0x14200 bored systq
40320 71470 0 0 3 0x40014200 bored softclock
9391 512910 0 0 3 0x40014200 idle0
1 32962 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 57587 (syz-executor.3) thread 0xffff800022caa7e8 (111459)
exclusive rwlock vcpu r = 0 (0xffff8000246d9bb0)
#0 witness_lock+0x44d
#1 vm_run+0x2e0 sys/arch/amd64/amd64/vmm.c:4262
#2 vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
#3 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x4a2
#6 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10204 6564K 10589K 78643K 47899 0
pcb 13 18K 20K 78643K 2143 0
rtable 166 23K 25K 78643K 5969 0
ifaddr 85 22K 24K 78643K 1866 0
sysctl 2 0K 0K 78643K 2 0
counters 48 34K 35K 78643K 354 0
ioctlops 0 0K 4K 78643K 4331 0
iov 0 0K 24K 78643K 1676 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1411 89K 89K 78643K 9895 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 198 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 16 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 9 29K 49K 78643K 17605 0
sigio 0 0K 0K 78643K 236 0
proc 72 87K 111K 78643K 2083 0
subproc 52 3K 3K 78643K 583 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1113 0
in_multi 44 2K 3K 78643K 1789 0
ether_multi 1 0K 0K 78643K 203 0
mrt 1 0K 0K 78643K 35 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 265 1182K 1182K 78643K 265 0
exec 0 0K 2K 78643K 3308 0
pfkey data 0 0K 0K 78643K 7 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 7 26K 26K 78643K 7 0
UVM amap 459 816K 818K 78643K 220423 0
UVM aobj 131 6K 6K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 815 0
NDP 9 0K 1K 78643K 397 0
temp 122 4240K 8295K 78643K 122567 0
kqueue 10 14K 24K 78643K 754 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 1640 0 1637 25 24 1 5 0 8 0
rtentry 112 1169 0 1124 2 0 2 2 0 8 0
unpcb 136 19986 0 19971 173 169 4 9 0 8 3
syncache 296 70 0 70 22 22 0 1 0 8 0
sackhl 24 1 2 1 1 1 0 1 0 8 0
tcpqe 32 30 0 30 14 14 0 1 0 8 0
tcpcb 736 5540 0 5536 181 176 5 14 0 8 4
arp 120 111 0 103 1 0 1 1 0 8 0
inpcb 304 14361 0 14354 234 228 6 16 0 8 5
rttmr 72 5 0 5 2 2 0 1 0 8 0
nd6 48 292 0 283 1 0 1 1 0 8 0
pkpcb 40 185 0 185 9 9 0 1 0 8 0
kcovpl 48 44 0 40 1 0 1 1 0 8 0
pfstscr 40 68 0 68 8 8 0 1 0 8 0
pffrag 232 57 0 55 13 12 1 1 0 482 0
pffrnode 88 57 0 55 13 12 1 1 0 8 0
pffrent 40 951 0 949 15 14 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 1216 0 1195 14 12 2 3 0 8 0
pftag 88 50 0 47 2 1 1 1 0 8 0
pfstitem 24 26 0 24 1 0 1 1 0 8 0
pfstkey 112 156 0 154 1 0 1 1 0 8 0
pfstate 320 88 0 86 1 0 1 1 0 8 0
pfsrctr 152 7 0 7 2 2 0 1 0 8 0
pfrule 1360 1917 0 1754 16 2 14 14 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 5991 0 5816 38 24 14 18 0 8 0
art_table 32 5992 0 5816 3 1 2 3 0 8 0
art_node 16 1165 0 1127 1 0 1 1 0 8 0
semupl 112 5 0 5 1 1 0 1 0 8 0
semapl 112 9 0 0 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 24511 0 23059 92 0 92 92 0 8 0
ffsino 272 24511 0 23059 98 0 98 98 0 8 0
nchpl 144 51662 0 50061 61 0 61 61 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 204409 0 204409 1 0 1 1 0 8 1
percpumem 16 189 0 153 1 0 1 1 0 8 0
vcpupl 2048 114 0 0 15 0 15 15 0 8 0
vmpool 560 138 0 24 10 1 9 9 0 8 0
pfiaddrpl 120 421 0 374 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 151401 0 151401 32 31 1 8 0 8 1
plimitpl 152 1741 0 1730 1 0 1 1 0 8 0
sigapl 424 17770 0 17712 8 1 7 7 0 8 0
futexpl 64 163905 0 163905 5 4 1 1 0 8 1
knotepl 112 234 0 0 4 0 4 4 0 8 0
kqueuepl 216 4523 0 4515 108 105 3 6 0 8 2
pipepl 336 3294 0 3278 83 81 2 12 0 8 0
fdescpl 496 17712 0 17690 7 4 3 4 0 8 0
filepl 152 140266 0 140115 252 240 12 19 0 8 3
lockfpl 104 5149 0 5147 11 10 1 2 0 8 0
lockfspl 48 1299 0 1297 1 0 1 1 0 8 0
sessionpl 144 63 0 50 1 0 1 1 0 8 0
pgrppl 48 218 0 205 1 0 1 1 0 8 0
ucredpl 96 14686 0 14668 1 0 1 1 0 8 0
zombiepl 144 17712 0 17712 2 1 1 1 0 8 1
processpl 1064 17770 0 17712 7 3 4 5 0 8 0
procpl 672 47865 0 47798 26 19 7 8 0 8 0
srpgc 96 38 0 38 7 7 0 1 0 8 0
sosppl 168 149 0 149 25 25 0 1 0 8 0
sockpl 480 36270 0 36245 835 814 21 37 0 8 17
mcl64k 65536 21 0 0 3 0 3 3 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 18 0 0 2 0 2 2 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 33 0 0 3 0 3 3 0 8 0
mcl2k2 2112 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 275 0 0 20 1 19 20 0 8 0
mtagpl 96 1001 0 0 11 1 10 10 0 8 0
mbufpl 256 1981 0 0 73 0 73 73 0 8 0
bufpl 288 34807 0 28463 454 0 454 454 0 8 0
anonpl 24 4956399 0 4934747 437 282 155 187 0 186 0
amapchunkpl 152 540402 0 539687 158 124 34 59 0 158 0
amappl16 200 48648 0 47642 179 124 55 66 0 8 0
amappl15 192 1479 0 1478 1 0 1 1 0 8 0
amappl14 184 551 0 549 1 0 1 1 0 8 0
amappl13 176 2372 0 2370 1 0 1 1 0 8 0
amappl12 168 5925 0 5923 3 2 1 1 0 8 0
amappl11 160 1693 0 1674 1 0 1 1 0 8 0
amappl10 152 1974 0 1962 1 0 1 1 0 8 0
amappl9 144 3004 0 3002 1 0 1 1 0 8 0
amappl8 136 2500 0 2400 4 0 4 4 0 8 0
amappl7 128 1420 0 1409 1 0 1 1 0 8 0
amappl6 120 2937 0 2908 1 0 1 1 0 8 0
amappl5 112 12877 0 12853 1 0 1 1 0 8 0
amappl4 104 3737 0 3708 1 0 1 1 0 8 0
amappl3 96 8911 0 8890 1 0 1 1 0 8 0
amappl2 88 7800 0 7747 2 0 2 2 0 8 0
amappl1 80 312968 0 312480 17 6 11 13 0 8 0
amappl 88 218911 0 218666 11 4 7 7 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 17850 0 17714 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 17850 0 17714 1 0 1 1 0 8 0
vmmpekpl 168 116148 0 116082 4 0 4 4 0 8 0
vmmpepl 168 1603792 0 1600957 594 429 165 168 0 357 30
vmsppl 368 17849 0 17714 13 0 13 13 0 8 0
rwobjpl 56 382732 0 374722 135 20 115 118 0 8 0
pdppl 4096 35708 0 35542 240 72 168 170 0 8 2
pvpl 32 8395442 0 8375737 689 497 192 314 0 265 0
pmappl 248 17849 0 17714 9 0 9 9 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1344 0 359 29 0 29 29 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
done_flush() at done_flush+0x38
vm_run(ffff8000212599f0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4295
vmmioctl(a00,c0205602,ffff8000212599f0,1,ffff800022caa7e8) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
VOP_IOCTL(fffffd806e57e210,c0205602,ffff8000212599f0,1,fffffd807f7d72a0,ffff800022caa7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd80085dd998,c0205602,ffff8000212599f0,ffff800022caa7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800022caa7e8,ffff800021259b08,ffff800021259b60) at sys_ioctl+0x4a2
syscall(ffff800021259bd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021259bd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe4972d55b90, count: -8
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) 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
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
---
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.
syzbot found the following issue on:
HEAD commit: b27c3a9c3f12 relayd(8): don't create sockets between CAs a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17b80353b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=a07e64c4b407fa8ff858
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a07e64...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at done_flush+0x38: movl %eax,%dr6
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
done_flush() at done_flush+0x38
vm_run(ffff8000212599f0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4295
vmmioctl(a00,c0205602,ffff8000212599f0,1,ffff800022caa7e8) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
VOP_IOCTL(fffffd806e57e210,c0205602,ffff8000212599f0,1,fffffd807f7d72a0,ffff800022caa7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd80085dd998,c0205602,ffff8000212599f0,ffff800022caa7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800022caa7e8,ffff800021259b08,ffff800021259b60) at sys_ioctl+0x4a2
syscall(ffff800021259bd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021259bd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe4972d55b90, count: -8
ddb{0}> show registers
rdi 0x6c14 __ALIGN_SIZE+0x5c14
rsi 0xffff8000246d9e38
rbp 0xffff800021259760
rbx 0x756e6547
rdx 0x49656e69
rcx 0x6c65746e
rax 0x877e585abea967b5
r8 0
r9 0x10000 __ALIGN_SIZE+0xf000
r10 0x8de0a20d00b58a75
r11 0x20525825db076e9f
r12 0xffffffff827ab490 dt_prov_static
r13 0x246
r14 0xffff8000246d9800
r15 0xffff8000212599f0
rip 0xffffffff82367120 done_flush+0x38
cs 0x8
rflags 0x10046 __ALIGN_SIZE+0xf046
rsp 0xffff8000212595b6
ss 0x10
done_flush+0x38: movl %eax,%dr6
ddb{0}> show proc
PROC (syz-executor.3) pid=111459 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=72, nice=20
forw=0xffffffffffffffff, list=0xffff800022caad28,0xffffffff8283f4d0
process=0xffff800027b76590 user=0xffff800021254000, vmspace=0xfffffd8067655308
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
57587 114840 43539 0 2 0 syz-executor.3
*57587 111459 43539 0 7 0x4000000 syz-executor.3
24853 128884 13607 0 2 0 syz-executor.2
2977 482693 31133 0 2 0 syz-executor.1
43539 299666 13217 0 3 0x82 nanoslp syz-executor.3
13607 386579 13217 0 3 0x82 nanoslp syz-executor.2
74969 63448 0 0 3 0x14280 nfsidl nfsio
25398 430066 0 0 3 0x14280 nfsidl nfsio
38657 398900 0 0 3 0x14280 nfsidl nfsio
53818 513075 0 0 3 0x14280 nfsidl nfsio
310 348325 0 0 3 0x14280 nfsidl nfsio
35463 91501 0 0 3 0x14280 nfsidl nfsio
6588 396869 0 0 3 0x14280 nfsidl nfsio
48564 327529 0 0 3 0x14280 nfsidl nfsio
47824 474631 0 0 3 0x14280 nfsidl nfsio
65056 389683 0 0 3 0x14280 nfsidl nfsio
94932 33524 0 0 3 0x14280 nfsidl nfsio
4671 509217 0 0 3 0x14280 nfsidl nfsio
36927 141811 0 0 3 0x14280 nfsidl nfsio
36393 378625 0 0 3 0x14280 nfsidl nfsio
50695 355777 0 0 3 0x14280 nfsidl nfsio
86311 31871 0 0 3 0x14280 nfsidl nfsio
69376 371962 0 0 3 0x14280 nfsidl nfsio
68572 13493 0 0 3 0x14280 nfsidl nfsio
75346 514180 0 0 3 0x14280 nfsidl nfsio
83649 512522 0 0 3 0x14280 nfsidl nfsio
31133 32793 13217 0 3 0x82 nanoslp syz-executor.1
14430 231816 13217 0 2 0x2 syz-executor.0
85080 233964 1 0 3 0x100083 ttyin getty
44523 419712 0 0 3 0x14200 acct acct
27297 505722 0 0 3 0x14200 bored sosplice
13217 119626 60632 0 3 0x82 thrsleep syz-fuzzer
13217 290017 60632 0 3 0x4000082 nanoslp syz-fuzzer
13217 39654 60632 0 3 0x4000082 kqread syz-fuzzer
13217 254411 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 368474 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 486627 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 324075 60632 0 3 0x4000082 nanoslp syz-fuzzer
13217 323027 60632 0 3 0x4000082 thrsleep syz-fuzzer
13217 253960 60632 0 3 0x4000082 thrsleep syz-fuzzer
60632 85027 20685 0 3 0x10008a sigsusp ksh
20685 83286 95275 0 3 0x9a poll sshd
95275 26938 1 0 3 0x88 poll sshd
2614 302877 74678 74 3 0x100092 bpf pflogd
74678 485809 1 0 3 0x80 netio pflogd
33006 66855 55085 73 3 0x100090 kqread syslogd
55085 407128 1 0 3 0x100082 netio syslogd
91373 360219 1 0 3 0x100080 kqread resolvd
17685 1150 28606 77 3 0x100092 kqread dhcpleased
60946 245580 28606 77 3 0x100092 kqread dhcpleased
28606 425957 1 0 3 0x80 kqread dhcpleased
80466 400857 0 0 3 0x14200 bored smr
29780 331204 0 0 2 0x14200 zerothread
23142 140130 0 0 3 0x14200 aiodoned aiodoned
42734 520452 0 0 3 0x14200 syncer update
11847 338844 0 0 3 0x14200 cleaner cleaner
26829 511192 0 0 3 0x14200 reaper reaper
23918 456686 0 0 3 0x14200 pgdaemon pagedaemon
50212 136058 0 0 3 0x14200 bored viomb
85054 101886 0 0 3 0x40014200 acpi0 acpi0
76844 502125 0 0 7 0x40014200 idle1
99686 325246 0 0 3 0x14200 bored softnet
56467 304529 0 0 3 0x14200 bored systqmp
22436 1781 0 0 3 0x14200 bored systq
40320 71470 0 0 3 0x40014200 bored softclock
9391 512910 0 0 3 0x40014200 idle0
1 32962 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 57587 (syz-executor.3) thread 0xffff800022caa7e8 (111459)
exclusive rwlock vcpu r = 0 (0xffff8000246d9bb0)
#0 witness_lock+0x44d
#1 vm_run+0x2e0 sys/arch/amd64/amd64/vmm.c:4262
#2 vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
#3 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x4a2
#6 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10204 6564K 10589K 78643K 47899 0
pcb 13 18K 20K 78643K 2143 0
rtable 166 23K 25K 78643K 5969 0
ifaddr 85 22K 24K 78643K 1866 0
sysctl 2 0K 0K 78643K 2 0
counters 48 34K 35K 78643K 354 0
ioctlops 0 0K 4K 78643K 4331 0
iov 0 0K 24K 78643K 1676 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1411 89K 89K 78643K 9895 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 198 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 16 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 9 29K 49K 78643K 17605 0
sigio 0 0K 0K 78643K 236 0
proc 72 87K 111K 78643K 2083 0
subproc 52 3K 3K 78643K 583 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1113 0
in_multi 44 2K 3K 78643K 1789 0
ether_multi 1 0K 0K 78643K 203 0
mrt 1 0K 0K 78643K 35 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 265 1182K 1182K 78643K 265 0
exec 0 0K 2K 78643K 3308 0
pfkey data 0 0K 0K 78643K 7 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 7 26K 26K 78643K 7 0
UVM amap 459 816K 818K 78643K 220423 0
UVM aobj 131 6K 6K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 815 0
NDP 9 0K 1K 78643K 397 0
temp 122 4240K 8295K 78643K 122567 0
kqueue 10 14K 24K 78643K 754 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 1640 0 1637 25 24 1 5 0 8 0
rtentry 112 1169 0 1124 2 0 2 2 0 8 0
unpcb 136 19986 0 19971 173 169 4 9 0 8 3
syncache 296 70 0 70 22 22 0 1 0 8 0
sackhl 24 1 2 1 1 1 0 1 0 8 0
tcpqe 32 30 0 30 14 14 0 1 0 8 0
tcpcb 736 5540 0 5536 181 176 5 14 0 8 4
arp 120 111 0 103 1 0 1 1 0 8 0
inpcb 304 14361 0 14354 234 228 6 16 0 8 5
rttmr 72 5 0 5 2 2 0 1 0 8 0
nd6 48 292 0 283 1 0 1 1 0 8 0
pkpcb 40 185 0 185 9 9 0 1 0 8 0
kcovpl 48 44 0 40 1 0 1 1 0 8 0
pfstscr 40 68 0 68 8 8 0 1 0 8 0
pffrag 232 57 0 55 13 12 1 1 0 482 0
pffrnode 88 57 0 55 13 12 1 1 0 8 0
pffrent 40 951 0 949 15 14 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 1216 0 1195 14 12 2 3 0 8 0
pftag 88 50 0 47 2 1 1 1 0 8 0
pfstitem 24 26 0 24 1 0 1 1 0 8 0
pfstkey 112 156 0 154 1 0 1 1 0 8 0
pfstate 320 88 0 86 1 0 1 1 0 8 0
pfsrctr 152 7 0 7 2 2 0 1 0 8 0
pfrule 1360 1917 0 1754 16 2 14 14 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 5991 0 5816 38 24 14 18 0 8 0
art_table 32 5992 0 5816 3 1 2 3 0 8 0
art_node 16 1165 0 1127 1 0 1 1 0 8 0
semupl 112 5 0 5 1 1 0 1 0 8 0
semapl 112 9 0 0 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 24511 0 23059 92 0 92 92 0 8 0
ffsino 272 24511 0 23059 98 0 98 98 0 8 0
nchpl 144 51662 0 50061 61 0 61 61 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 204409 0 204409 1 0 1 1 0 8 1
percpumem 16 189 0 153 1 0 1 1 0 8 0
vcpupl 2048 114 0 0 15 0 15 15 0 8 0
vmpool 560 138 0 24 10 1 9 9 0 8 0
pfiaddrpl 120 421 0 374 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 151401 0 151401 32 31 1 8 0 8 1
plimitpl 152 1741 0 1730 1 0 1 1 0 8 0
sigapl 424 17770 0 17712 8 1 7 7 0 8 0
futexpl 64 163905 0 163905 5 4 1 1 0 8 1
knotepl 112 234 0 0 4 0 4 4 0 8 0
kqueuepl 216 4523 0 4515 108 105 3 6 0 8 2
pipepl 336 3294 0 3278 83 81 2 12 0 8 0
fdescpl 496 17712 0 17690 7 4 3 4 0 8 0
filepl 152 140266 0 140115 252 240 12 19 0 8 3
lockfpl 104 5149 0 5147 11 10 1 2 0 8 0
lockfspl 48 1299 0 1297 1 0 1 1 0 8 0
sessionpl 144 63 0 50 1 0 1 1 0 8 0
pgrppl 48 218 0 205 1 0 1 1 0 8 0
ucredpl 96 14686 0 14668 1 0 1 1 0 8 0
zombiepl 144 17712 0 17712 2 1 1 1 0 8 1
processpl 1064 17770 0 17712 7 3 4 5 0 8 0
procpl 672 47865 0 47798 26 19 7 8 0 8 0
srpgc 96 38 0 38 7 7 0 1 0 8 0
sosppl 168 149 0 149 25 25 0 1 0 8 0
sockpl 480 36270 0 36245 835 814 21 37 0 8 17
mcl64k 65536 21 0 0 3 0 3 3 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 18 0 0 2 0 2 2 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 33 0 0 3 0 3 3 0 8 0
mcl2k2 2112 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 275 0 0 20 1 19 20 0 8 0
mtagpl 96 1001 0 0 11 1 10 10 0 8 0
mbufpl 256 1981 0 0 73 0 73 73 0 8 0
bufpl 288 34807 0 28463 454 0 454 454 0 8 0
anonpl 24 4956399 0 4934747 437 282 155 187 0 186 0
amapchunkpl 152 540402 0 539687 158 124 34 59 0 158 0
amappl16 200 48648 0 47642 179 124 55 66 0 8 0
amappl15 192 1479 0 1478 1 0 1 1 0 8 0
amappl14 184 551 0 549 1 0 1 1 0 8 0
amappl13 176 2372 0 2370 1 0 1 1 0 8 0
amappl12 168 5925 0 5923 3 2 1 1 0 8 0
amappl11 160 1693 0 1674 1 0 1 1 0 8 0
amappl10 152 1974 0 1962 1 0 1 1 0 8 0
amappl9 144 3004 0 3002 1 0 1 1 0 8 0
amappl8 136 2500 0 2400 4 0 4 4 0 8 0
amappl7 128 1420 0 1409 1 0 1 1 0 8 0
amappl6 120 2937 0 2908 1 0 1 1 0 8 0
amappl5 112 12877 0 12853 1 0 1 1 0 8 0
amappl4 104 3737 0 3708 1 0 1 1 0 8 0
amappl3 96 8911 0 8890 1 0 1 1 0 8 0
amappl2 88 7800 0 7747 2 0 2 2 0 8 0
amappl1 80 312968 0 312480 17 6 11 13 0 8 0
amappl 88 218911 0 218666 11 4 7 7 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 17850 0 17714 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 17850 0 17714 1 0 1 1 0 8 0
vmmpekpl 168 116148 0 116082 4 0 4 4 0 8 0
vmmpepl 168 1603792 0 1600957 594 429 165 168 0 357 30
vmsppl 368 17849 0 17714 13 0 13 13 0 8 0
rwobjpl 56 382732 0 374722 135 20 115 118 0 8 0
pdppl 4096 35708 0 35542 240 72 168 170 0 8 2
pvpl 32 8395442 0 8375737 689 497 192 314 0 265 0
pmappl 248 17849 0 17714 9 0 9 9 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1344 0 359 29 0 29 29 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
done_flush() at done_flush+0x38
vm_run(ffff8000212599f0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4295
vmmioctl(a00,c0205602,ffff8000212599f0,1,ffff800022caa7e8) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492
VOP_IOCTL(fffffd806e57e210,c0205602,ffff8000212599f0,1,fffffd807f7d72a0,ffff800022caa7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd80085dd998,c0205602,ffff8000212599f0,ffff800022caa7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800022caa7e8,ffff800021259b08,ffff800021259b60) at sys_ioctl+0x4a2
syscall(ffff800021259bd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021259bd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe4972d55b90, count: -8
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) 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
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
---
This report is generated by a bot. It may contain errors.
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syzbot
Mar 22, 2023, 8:50:37 PM3/22/23
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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