uvm_fault: x86_send_ipi
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syzbot
Nov 12, 2019, 5:30:11 PM11/12/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: f0c2caef use the default URL when running fw_update, we ca..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12320a06e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=06dbe8daf61512018095
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+06dbe8...@syzkaller.appspotmail.com
uvm_fault(0xfffffd807f00a170, 0x648, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at x86_send_ipi+0x24: lock orl %r15d,0x648(%r14)
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xfffffd807f00a170, 0x648, 0, 2) -> e
x86_send_ipi(0,2) at x86_send_ipi+0x24 x86_atomic_setbits_u32
machine/atomic.h:292 [inline]
x86_send_ipi(0,2) at x86_send_ipi+0x24 sys/arch/amd64/amd64/ipi.c:48
end trace frame: 0xffff8000223790e0, count: 0
ddb{0}> trace
x86_send_ipi(0,2) at x86_send_ipi+0x24 x86_atomic_setbits_u32
machine/atomic.h:292 [inline]
x86_send_ipi(0,2) at x86_send_ipi+0x24 sys/arch/amd64/amd64/ipi.c:48
vm_intr_pending(ffff8000223792b0) at vm_intr_pending+0x225
sys/arch/amd64/amd64/vmm.c:681
VOP_IOCTL(fffffd806e1aa5b0,800c5606,ffff8000223792b0,3,fffffd807f7c6780,ffff800020ab0c70)
at
VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd8064a068e8,800c5606,ffff8000223792b0,ffff800020ab0c70) at
vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff800020ab0c70,ffff8000223793c8,ffff800022379410) at
sys_ioctl+0x5b9
syscall(ffff800022379490) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800022379490) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc12eb5b2640, count: -7
ddb{0}> show registers
rdi 0xffffffff81249794 x86_send_ipi+0x24
rsi 0x204
rbp 0xffff800022379080
rbx 0x1
rdx 0x205
rcx 0xffff800021952000
rax 0xffff800021952000
r8 0xffffffff81488c4b vmmioctl+0x3b
r9 0x7
r10 0x339066493818f343
r11 0x9988779b02308434
r12 0
r13 0xffff800020add180
r14 0
r15 0x2
rip 0xffffffff81249794 x86_send_ipi+0x24
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800022379050
ss 0x10
x86_send_ipi+0x24: lock orl %r15d,0x648(%r14)
ddb{0}> show proc
PROC (syz-executor.0) pid=320750 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab1b40,0xffffffff8263b120
process=0xffff800020add180 user=0xffff800022374000,
vmspace=0xfffffd807f00a170
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
82842 37448 85291 0 2 0 syz-executor.0
*82842 320750 85291 0 7 0x4000000 syz-executor.0
20202 78558 32536 0 2 0 syz-executor.1
20202 373488 32536 0 7 0x4000000 syz-executor.1
85291 225356 29976 0 3 0x82 nanosleep syz-executor.0
32536 171865 29976 0 3 0x82 nanosleep syz-executor.1
2313 270226 1 0 3 0x100083 ttyin getty
63814 268758 0 0 3 0x14200 bored sosplice
29976 203904 18226 0 3 0x82 thrsleep syz-fuzzer
29976 147593 18226 0 3 0x4000082 nanosleep syz-fuzzer
29976 7123 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 387584 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 231181 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 3048 18226 0 3 0x4000082 kqread syz-fuzzer
29976 97762 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 217559 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 437295 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 473149 18226 0 3 0x4000082 thrsleep syz-fuzzer
18226 131922 29273 0 3 0x10008a pause ksh
29273 388195 94123 0 3 0x92 select sshd
94123 246771 1 0 3 0x80 select sshd
51146 435598 83618 74 3 0x100092 bpf pflogd
83618 300905 1 0 3 0x80 netio pflogd
7896 305310 35265 73 3 0x100090 kqread syslogd
35265 297304 1 0 3 0x100082 netio syslogd
77694 230574 1 77 3 0x100090 poll dhclient
71242 414694 1 0 3 0x80 poll dhclient
80570 455850 0 0 2 0x14200 zerothread
25358 107603 0 0 3 0x14200 aiodoned aiodoned
8291 185369 0 0 3 0x14200 syncer update
98595 130531 0 0 3 0x14200 cleaner cleaner
73640 96374 0 0 3 0x14200 reaper reaper
39615 340092 0 0 3 0x14200 pgdaemon pagedaemon
4049 467213 0 0 3 0x14200 bored crynlk
76469 438477 0 0 3 0x14200 bored crypto
44095 104332 0 0 3 0x40014200 acpi0 acpi0
16932 410921 0 0 3 0x40014200 idle1
96925 490126 0 0 3 0x14200 bored softnet
10728 451719 0 0 3 0x14200 bored systqmp
19052 271780 0 0 3 0x14200 bored systq
64142 425917 0 0 3 0x40014200 bored softclock
12814 175334 0 0 3 0x40014200 idle0
22401 237660 0 0 3 0x14200 bored smr
1 79411 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 82842 (syz-executor.0) thread 0xffff800020ab0c70 (320750)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8263a9c8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
Process 20202 (syz-executor.1) thread 0xffff800020ab1b40 (373488)
exclusive rrwlock inode r = 0 (0xfffffd805e693918)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1352
#5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392
#6 ufs_makeinode+0xaa sys/ufs/ufs/ufs_vnops.c:1832
#7 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:152
#8 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:113
#9 vn_open+0x2a4 sys/kern/vfs_vnops.c:122
#10 doopenat+0x28b sys/kern/vfs_syscalls.c:1157
#11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd805e6931a8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:571
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x63c sys/kern/vfs_lookup.c:249
#7 vn_open+0x1a6 sys/kern/vfs_vnops.c:113
#8 doopenat+0x28b sys/kern/vfs_syscalls.c:1157
#9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#10 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9618 6487K 9441K 78643K 111204 0 0
pcb 13 10K 12K 78643K 6109 0 0
rtable 106 13K 15K 78643K 20062 0 0
ifaddr 1206 105K 111K 78643K 5898 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 2748 0 0
iov 0 0K 50K 78643K 5575 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1224 77K 78K 78643K 55664 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 365 0 0
VM map 273 136K 136K 78643K 365 0 0
sem 12 0K 0K 78643K 9148 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 27330 0 0
sigio 0 0K 0K 78643K 455 0 0
proc 62 63K 95K 78643K 11131 0 0
subproc 32 2K 2K 78643K 3302 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 1K 78643K 2806 0 0
in_multi 11 0K 2K 78643K 3631 0 0
ether_multi 1 0K 0K 78643K 280 0 0
mrt 5 0K 0K 78643K 186 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 126 556K 556K 78643K 126 0 0
exec 0 0K 1K 78643K 5659 0 0
pfkey data 0 0K 4K 78643K 16 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 592 2182K 2184K 78643K 98011 0 0
UVM aobj 130 4K 4K 78643K 132 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 2K 78643K 6083 0 0
NDP 25 0K 1K 78643K 1576 0 0
temp 189 3556K 4200K 78643K 1000654 0 0
kqueue 0 0K 0K 78643K 535 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 679 0 676 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 2721 0 2719 1 0 1 1 0
8 0
rtentry 112 3164 0 3131 2 0 2 2 0
8 0
unpcb 120 17962 0 17926 10 8 2 2 0
8 0
syncache 264 144 0 144 66 66 0 1 0
8 0
tcpqe 32 49 0 49 32 32 0 1 0
8 0
tcpcb 544 13888 0 13884 167 166 1 14 0
8 0
ipq 40 4 0 4 4 4 0 1 0
8 0
ipqe 40 8 0 8 4 4 0 1 0
8 0
inpcb 280 50131 0 50124 200 197 3 10 0
8 2
rttmr 72 67 0 67 20 20 0 1 0
8 0
ip6q 72 11 0 11 9 8 1 1 0
8 1
ip6af 40 22 0 22 8 7 1 1 0
8 1
nd6 48 469 0 469 12 12 0 1 0
8 0
pkpcb 40 154 0 154 53 53 0 1 0
8 0
swfcl 56 6 0 0 1 0 1 1 0
8 0
ppxss 1128 722 0 722 82 81 1 1 0
8 1
pffrag 232 877 0 877 83 82 1 1 0
482 1
pffrnode 88 874 0 874 83 82 1 1 0
8 1
pffrent 40 32108 0 32108 83 82 1 1 0
8 1
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 2431 0 2393 1 0 1 1 0
8 0
pfstkey 112 2433 0 2395 7 5 2 3 0
8 0
pfstate 328 2433 0 2395 25 18 7 8 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 63 0 62 41 40 1 4 0
8 0
art_heap4 256 13139 0 12899 135 116 19 23 0
8 0
art_table 32 13202 0 12961 4 1 3 3 0
8 0
art_node 16 3163 0 3132 1 0 1 1 0
8 0
sysvmsgpl 40 51 0 43 1 0 1 1 0
8 0
semupl 112 3 0 3 1 1 0 1 0
8 0
semapl 112 9146 0 9136 1 0 1 1 0
8 0
shmpl 112 130 0 2 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 42551 0 40913 53 0 53 53 0
8 0
ffsino 272 42551 0 40913 112 2 110 110 0
8 0
nchpl 144 84466 0 83904 62 41 21 61 0
8 0
uvmvnodes 72 11519 0 0 210 0 210 210 0
8 0
vnodes 208 11519 0 0 607 0 607 607 0
8 0
namei 1024 352091 0 352090 13 12 1 1 0
8 0
percpumem 16 30 0 0 1 0 1 1 0
8 0
vcpupl 1984 276 0 5 34 0 34 34 0
8 0
vmpool 552 363 0 92 21 1 20 20 0
8 0
scsiplug 64 46 0 46 35 35 0 1 0
8 0
scxspl 192 282369 0 282369 174 172 2 4 0
8 2
plimitpl 152 2094 0 2086 1 0 1 1 0
8 0
sigapl 432 26953 0 26937 7 5 2 3 0
8 0
futexpl 56 744016 0 744016 6 5 1 1 0
8 1
knotepl 112 7893 0 7874 25 24 1 3 0
8 0
kqueuepl 104 28671 0 28669 35 34 1 4 0
8 0
pipepl 160 24046 0 24025 56 54 2 3 0
8 1
fdescpl 488 26954 0 26937 3 0 3 3 0
8 0
filepl 152 321478 0 321374 223 217 6 14 0
8 1
lockfpl 104 10847 0 10846 1 0 1 1 0
8 0
lockfspl 48 3334 0 3333 1 0 1 1 0
8 0
sessionpl 112 211 0 200 1 0 1 1 0
8 0
pgrppl 48 554 0 543 1 0 1 1 0
8 0
ucredpl 96 27800 0 27788 1 0 1 1 0
8 0
zombiepl 144 26957 0 26957 9 8 1 1 0
8 1
processpl 896 26990 0 26957 8 4 4 5 0
8 0
procpl 632 86576 0 86532 15 10 5 5 0
8 1
srpgc 64 281 0 281 89 89 0 1 0
8 0
sosppl 128 894 0 894 106 105 1 1 0
8 1
sockpl 384 71669 0 71623 294 286 8 17 0
8 1
mcl64k 65536 2406 0 0 248 218 30 66 0
8 0
mcl16k 16384 99 0 0 9 6 3 3 0
8 0
mcl12k 12288 82 0 0 2 0 2 2 0
8 0
mcl9k 9216 49 0 0 3 1 2 2 0
8 0
mcl8k 8192 97 0 0 11 8 3 3 0
8 0
mcl4k 4096 65 0 0 7 4 3 3 0
8 0
mcl2k2 2112 17 0 0 2 0 2 2 0
8 0
mcl2k 2048 517 0 0 20 9 11 19 0
8 0
mtagpl 80 564 0 0 3 2 1 2 0
8 0
mbufpl 256 2772 0 0 57 11 46 56 0
8 0
bufpl 256 86462 0 74942 721 0 721 721 0
8 0
anonpl 16 3677880 0 3641019 775 622 153 165 0
124 3
amapchunkpl 152 210444 0 209656 374 336 38 43 0
158 5
amappl16 192 152536 0 150824 837 745 92 98 0
8 0
amappl15 184 5601 0 5601 25 25 0 1 0
8 0
amappl14 176 5332 0 5322 1 0 1 1 0
8 0
amappl13 168 3184 0 3182 20 19 1 1 0
8 0
amappl12 160 2784 0 2777 2 1 1 1 0
8 0
amappl11 152 4616 0 4600 1 0 1 1 0
8 0
amappl10 144 2872 0 2862 1 0 1 1 0
8 0
amappl9 136 6274 0 6270 1 0 1 1 0
8 0
amappl8 128 6041 0 5906 5 0 5 5 0
8 0
amappl7 120 3659 0 3650 1 0 1 1 0
8 0
amappl6 112 4074 0 4055 1 0 1 1 0
8 0
amappl5 104 4525 0 4509 1 0 1 1 0
8 0
amappl4 96 26087 0 26050 1 0 1 1 0
8 0
amappl3 88 6726 0 6715 1 0 1 1 0
8 0
amappl2 80 208953 0 208853 12 9 3 3 0
8 0
amappl1 72 627597 0 627146 25 15 10 20 0
8 0
amappl 80 90796 0 90589 5 0 5 5 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 131 0 2 3 0 3 3 0
8 0
uaddrrnd 24 27317 0 26937 3 0 3 3 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 27317 0 26937 3 0 3 3 0
8 0
vmmpekpl 168 191791 0 191726 5 1 4 4 0
8 0
vmmpepl 168 3539730 0 3535942 1377 1170 207 228 0 357
37
vmsppl 368 26953 0 26937 2 0 2 2 0
8 0
pdppl 4096 54641 0 54329 54 14 40 40 0
8 0
pvpl 32 12264406 0 12239464 1343 1126 217 276 0
265 2
pmappl 232 27316 0 27029 18 1 17 17 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 1604 0 609 30 1 29 29 0
8 0
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: f0c2caef use the default URL when running fw_update, we ca..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12320a06e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=06dbe8daf61512018095
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+06dbe8...@syzkaller.appspotmail.com
uvm_fault(0xfffffd807f00a170, 0x648, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at x86_send_ipi+0x24: lock orl %r15d,0x648(%r14)
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xfffffd807f00a170, 0x648, 0, 2) -> e
x86_send_ipi(0,2) at x86_send_ipi+0x24 x86_atomic_setbits_u32
machine/atomic.h:292 [inline]
x86_send_ipi(0,2) at x86_send_ipi+0x24 sys/arch/amd64/amd64/ipi.c:48
end trace frame: 0xffff8000223790e0, count: 0
ddb{0}> trace
x86_send_ipi(0,2) at x86_send_ipi+0x24 x86_atomic_setbits_u32
machine/atomic.h:292 [inline]
x86_send_ipi(0,2) at x86_send_ipi+0x24 sys/arch/amd64/amd64/ipi.c:48
vm_intr_pending(ffff8000223792b0) at vm_intr_pending+0x225
sys/arch/amd64/amd64/vmm.c:681
VOP_IOCTL(fffffd806e1aa5b0,800c5606,ffff8000223792b0,3,fffffd807f7c6780,ffff800020ab0c70)
at
VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd8064a068e8,800c5606,ffff8000223792b0,ffff800020ab0c70) at
vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff800020ab0c70,ffff8000223793c8,ffff800022379410) at
sys_ioctl+0x5b9
syscall(ffff800022379490) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800022379490) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc12eb5b2640, count: -7
ddb{0}> show registers
rdi 0xffffffff81249794 x86_send_ipi+0x24
rsi 0x204
rbp 0xffff800022379080
rbx 0x1
rdx 0x205
rcx 0xffff800021952000
rax 0xffff800021952000
r8 0xffffffff81488c4b vmmioctl+0x3b
r9 0x7
r10 0x339066493818f343
r11 0x9988779b02308434
r12 0
r13 0xffff800020add180
r14 0
r15 0x2
rip 0xffffffff81249794 x86_send_ipi+0x24
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800022379050
ss 0x10
x86_send_ipi+0x24: lock orl %r15d,0x648(%r14)
ddb{0}> show proc
PROC (syz-executor.0) pid=320750 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab1b40,0xffffffff8263b120
process=0xffff800020add180 user=0xffff800022374000,
vmspace=0xfffffd807f00a170
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
82842 37448 85291 0 2 0 syz-executor.0
*82842 320750 85291 0 7 0x4000000 syz-executor.0
20202 78558 32536 0 2 0 syz-executor.1
20202 373488 32536 0 7 0x4000000 syz-executor.1
85291 225356 29976 0 3 0x82 nanosleep syz-executor.0
32536 171865 29976 0 3 0x82 nanosleep syz-executor.1
2313 270226 1 0 3 0x100083 ttyin getty
63814 268758 0 0 3 0x14200 bored sosplice
29976 203904 18226 0 3 0x82 thrsleep syz-fuzzer
29976 147593 18226 0 3 0x4000082 nanosleep syz-fuzzer
29976 7123 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 387584 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 231181 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 3048 18226 0 3 0x4000082 kqread syz-fuzzer
29976 97762 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 217559 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 437295 18226 0 3 0x4000082 thrsleep syz-fuzzer
29976 473149 18226 0 3 0x4000082 thrsleep syz-fuzzer
18226 131922 29273 0 3 0x10008a pause ksh
29273 388195 94123 0 3 0x92 select sshd
94123 246771 1 0 3 0x80 select sshd
51146 435598 83618 74 3 0x100092 bpf pflogd
83618 300905 1 0 3 0x80 netio pflogd
7896 305310 35265 73 3 0x100090 kqread syslogd
35265 297304 1 0 3 0x100082 netio syslogd
77694 230574 1 77 3 0x100090 poll dhclient
71242 414694 1 0 3 0x80 poll dhclient
80570 455850 0 0 2 0x14200 zerothread
25358 107603 0 0 3 0x14200 aiodoned aiodoned
8291 185369 0 0 3 0x14200 syncer update
98595 130531 0 0 3 0x14200 cleaner cleaner
73640 96374 0 0 3 0x14200 reaper reaper
39615 340092 0 0 3 0x14200 pgdaemon pagedaemon
4049 467213 0 0 3 0x14200 bored crynlk
76469 438477 0 0 3 0x14200 bored crypto
44095 104332 0 0 3 0x40014200 acpi0 acpi0
16932 410921 0 0 3 0x40014200 idle1
96925 490126 0 0 3 0x14200 bored softnet
10728 451719 0 0 3 0x14200 bored systqmp
19052 271780 0 0 3 0x14200 bored systq
64142 425917 0 0 3 0x40014200 bored softclock
12814 175334 0 0 3 0x40014200 idle0
22401 237660 0 0 3 0x14200 bored smr
1 79411 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 82842 (syz-executor.0) thread 0xffff800020ab0c70 (320750)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8263a9c8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
Process 20202 (syz-executor.1) thread 0xffff800020ab1b40 (373488)
exclusive rrwlock inode r = 0 (0xfffffd805e693918)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1352
#5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392
#6 ufs_makeinode+0xaa sys/ufs/ufs/ufs_vnops.c:1832
#7 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:152
#8 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:113
#9 vn_open+0x2a4 sys/kern/vfs_vnops.c:122
#10 doopenat+0x28b sys/kern/vfs_syscalls.c:1157
#11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd805e6931a8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:571
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x63c sys/kern/vfs_lookup.c:249
#7 vn_open+0x1a6 sys/kern/vfs_vnops.c:113
#8 doopenat+0x28b sys/kern/vfs_syscalls.c:1157
#9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#10 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9618 6487K 9441K 78643K 111204 0 0
pcb 13 10K 12K 78643K 6109 0 0
rtable 106 13K 15K 78643K 20062 0 0
ifaddr 1206 105K 111K 78643K 5898 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 2748 0 0
iov 0 0K 50K 78643K 5575 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1224 77K 78K 78643K 55664 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 365 0 0
VM map 273 136K 136K 78643K 365 0 0
sem 12 0K 0K 78643K 9148 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 27330 0 0
sigio 0 0K 0K 78643K 455 0 0
proc 62 63K 95K 78643K 11131 0 0
subproc 32 2K 2K 78643K 3302 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 1K 78643K 2806 0 0
in_multi 11 0K 2K 78643K 3631 0 0
ether_multi 1 0K 0K 78643K 280 0 0
mrt 5 0K 0K 78643K 186 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 126 556K 556K 78643K 126 0 0
exec 0 0K 1K 78643K 5659 0 0
pfkey data 0 0K 4K 78643K 16 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 592 2182K 2184K 78643K 98011 0 0
UVM aobj 130 4K 4K 78643K 132 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 2K 78643K 6083 0 0
NDP 25 0K 1K 78643K 1576 0 0
temp 189 3556K 4200K 78643K 1000654 0 0
kqueue 0 0K 0K 78643K 535 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 679 0 676 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 2721 0 2719 1 0 1 1 0
8 0
rtentry 112 3164 0 3131 2 0 2 2 0
8 0
unpcb 120 17962 0 17926 10 8 2 2 0
8 0
syncache 264 144 0 144 66 66 0 1 0
8 0
tcpqe 32 49 0 49 32 32 0 1 0
8 0
tcpcb 544 13888 0 13884 167 166 1 14 0
8 0
ipq 40 4 0 4 4 4 0 1 0
8 0
ipqe 40 8 0 8 4 4 0 1 0
8 0
inpcb 280 50131 0 50124 200 197 3 10 0
8 2
rttmr 72 67 0 67 20 20 0 1 0
8 0
ip6q 72 11 0 11 9 8 1 1 0
8 1
ip6af 40 22 0 22 8 7 1 1 0
8 1
nd6 48 469 0 469 12 12 0 1 0
8 0
pkpcb 40 154 0 154 53 53 0 1 0
8 0
swfcl 56 6 0 0 1 0 1 1 0
8 0
ppxss 1128 722 0 722 82 81 1 1 0
8 1
pffrag 232 877 0 877 83 82 1 1 0
482 1
pffrnode 88 874 0 874 83 82 1 1 0
8 1
pffrent 40 32108 0 32108 83 82 1 1 0
8 1
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 2431 0 2393 1 0 1 1 0
8 0
pfstkey 112 2433 0 2395 7 5 2 3 0
8 0
pfstate 328 2433 0 2395 25 18 7 8 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 63 0 62 41 40 1 4 0
8 0
art_heap4 256 13139 0 12899 135 116 19 23 0
8 0
art_table 32 13202 0 12961 4 1 3 3 0
8 0
art_node 16 3163 0 3132 1 0 1 1 0
8 0
sysvmsgpl 40 51 0 43 1 0 1 1 0
8 0
semupl 112 3 0 3 1 1 0 1 0
8 0
semapl 112 9146 0 9136 1 0 1 1 0
8 0
shmpl 112 130 0 2 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 42551 0 40913 53 0 53 53 0
8 0
ffsino 272 42551 0 40913 112 2 110 110 0
8 0
nchpl 144 84466 0 83904 62 41 21 61 0
8 0
uvmvnodes 72 11519 0 0 210 0 210 210 0
8 0
vnodes 208 11519 0 0 607 0 607 607 0
8 0
namei 1024 352091 0 352090 13 12 1 1 0
8 0
percpumem 16 30 0 0 1 0 1 1 0
8 0
vcpupl 1984 276 0 5 34 0 34 34 0
8 0
vmpool 552 363 0 92 21 1 20 20 0
8 0
scsiplug 64 46 0 46 35 35 0 1 0
8 0
scxspl 192 282369 0 282369 174 172 2 4 0
8 2
plimitpl 152 2094 0 2086 1 0 1 1 0
8 0
sigapl 432 26953 0 26937 7 5 2 3 0
8 0
futexpl 56 744016 0 744016 6 5 1 1 0
8 1
knotepl 112 7893 0 7874 25 24 1 3 0
8 0
kqueuepl 104 28671 0 28669 35 34 1 4 0
8 0
pipepl 160 24046 0 24025 56 54 2 3 0
8 1
fdescpl 488 26954 0 26937 3 0 3 3 0
8 0
filepl 152 321478 0 321374 223 217 6 14 0
8 1
lockfpl 104 10847 0 10846 1 0 1 1 0
8 0
lockfspl 48 3334 0 3333 1 0 1 1 0
8 0
sessionpl 112 211 0 200 1 0 1 1 0
8 0
pgrppl 48 554 0 543 1 0 1 1 0
8 0
ucredpl 96 27800 0 27788 1 0 1 1 0
8 0
zombiepl 144 26957 0 26957 9 8 1 1 0
8 1
processpl 896 26990 0 26957 8 4 4 5 0
8 0
procpl 632 86576 0 86532 15 10 5 5 0
8 1
srpgc 64 281 0 281 89 89 0 1 0
8 0
sosppl 128 894 0 894 106 105 1 1 0
8 1
sockpl 384 71669 0 71623 294 286 8 17 0
8 1
mcl64k 65536 2406 0 0 248 218 30 66 0
8 0
mcl16k 16384 99 0 0 9 6 3 3 0
8 0
mcl12k 12288 82 0 0 2 0 2 2 0
8 0
mcl9k 9216 49 0 0 3 1 2 2 0
8 0
mcl8k 8192 97 0 0 11 8 3 3 0
8 0
mcl4k 4096 65 0 0 7 4 3 3 0
8 0
mcl2k2 2112 17 0 0 2 0 2 2 0
8 0
mcl2k 2048 517 0 0 20 9 11 19 0
8 0
mtagpl 80 564 0 0 3 2 1 2 0
8 0
mbufpl 256 2772 0 0 57 11 46 56 0
8 0
bufpl 256 86462 0 74942 721 0 721 721 0
8 0
anonpl 16 3677880 0 3641019 775 622 153 165 0
124 3
amapchunkpl 152 210444 0 209656 374 336 38 43 0
158 5
amappl16 192 152536 0 150824 837 745 92 98 0
8 0
amappl15 184 5601 0 5601 25 25 0 1 0
8 0
amappl14 176 5332 0 5322 1 0 1 1 0
8 0
amappl13 168 3184 0 3182 20 19 1 1 0
8 0
amappl12 160 2784 0 2777 2 1 1 1 0
8 0
amappl11 152 4616 0 4600 1 0 1 1 0
8 0
amappl10 144 2872 0 2862 1 0 1 1 0
8 0
amappl9 136 6274 0 6270 1 0 1 1 0
8 0
amappl8 128 6041 0 5906 5 0 5 5 0
8 0
amappl7 120 3659 0 3650 1 0 1 1 0
8 0
amappl6 112 4074 0 4055 1 0 1 1 0
8 0
amappl5 104 4525 0 4509 1 0 1 1 0
8 0
amappl4 96 26087 0 26050 1 0 1 1 0
8 0
amappl3 88 6726 0 6715 1 0 1 1 0
8 0
amappl2 80 208953 0 208853 12 9 3 3 0
8 0
amappl1 72 627597 0 627146 25 15 10 20 0
8 0
amappl 80 90796 0 90589 5 0 5 5 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 131 0 2 3 0 3 3 0
8 0
uaddrrnd 24 27317 0 26937 3 0 3 3 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 27317 0 26937 3 0 3 3 0
8 0
vmmpekpl 168 191791 0 191726 5 1 4 4 0
8 0
vmmpepl 168 3539730 0 3535942 1377 1170 207 228 0 357
37
vmsppl 368 26953 0 26937 2 0 2 2 0
8 0
pdppl 4096 54641 0 54329 54 14 40 40 0
8 0
pvpl 32 12264406 0 12239464 1343 1126 217 276 0
265 2
pmappl 232 27316 0 27029 18 1 17 17 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 1604 0 609 30 1 29 29 0
8 0
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot will keep track of this bug report. See:
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syzbot
Feb 10, 2020, 5:30:10 PM2/10/20
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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