syzbot


protection_fault: copyout

Status: upstream: reported on 2025/02/05 03:58
Reported-by: syzbot+8ae7bb4e6771ee01e83e@syzkaller.appspotmail.com
First crash: 51d, last: 17d

Sample crash report:
kernel: protection fault trap, code=0
Stopped at      copyout+0x57:   repe movsq      (%rsi),%es:(%rdi)
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
copyout() at copyout+0x57
syscall(ffff80003c9776d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc729806f10, count: -3
ddb> show registers
rdi                   0x400000001208
rsi               0xdeaf4152deaf4152
rbp               0xffff80003c9775f0
rbx                                0
rdx               0xffff80003c972000
rcx                       0x1bd5e82a
rax                       0xdeaf4152
r8                    0x7f7fffffc000
r9                                 0
r10               0xebf2f3de3a134e8a
r11               0xffffffff82504670    copy_fault
r12               0xfffffd8077238de8
r13               0xfffffd8069d63900
r14               0xffff800001498600
r15                   0x400000001208
rip               0xffffffff82504597    copyout+0x57
cs                               0x8
rflags                       0x50202    acpi_pdirpa+0x3c073
rsp               0xffff80003c977540
ss                              0x10
copyout+0x57:   repe movsq      (%rsi),%es:(%rdi)
ddb> show proc
PROC (syz-executor) tid=513182 pid=26419 tcnt=4 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=36, usrpri=72, slppri=36, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff80003c984d00,0xffff80003c984fa0
    process=0xffff8000ffff6fe0 user=0xffff80003c972000, vmspace=0xfffffd806c0c59e8
    estcpu=22, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 26087    3182   7827      0  2           0                syz-executor
 26087   13631   7827      0  3   0x4000080  fsleep        syz-executor
 12770  195504  81208      0  2           0                syz-executor
 12770  244712  81208      0  3   0x4000080  fsleep        syz-executor
 87520  462366  87502      0  2           0                syz-executor
 87520  128397  87502      0  3   0x4000080  fsleep        syz-executor
 87520  121237  87502      0  3   0x4000080  fsleep        syz-executor
 87520   48593  87502      0  2   0x4000000                syz-executor
 26419     472  93943      0  2           0                syz-executor
*26419  513182  93943      0  7   0x4000000                syz-executor
 26419  296994  93943      0  2   0x4000000                syz-executor
 26419   39739  93943      0  2   0x4000000                syz-executor
 87370  379250  26501      0  2           0                syz-executor
 87370  461601  26501      0  2   0x4000000                syz-executor
 87370  139792  26501      0  2   0x4000000                syz-executor
 74780  474971      0      0  3     0x14280  nfsidl        nfsio
 72246  403609      0      0  3     0x14280  nfsidl        nfsio
 95360  107312      0      0  3     0x14280  nfsidl        nfsio
 86555  140529      0      0  3     0x14280  nfsidl        nfsio
 38938  285257      0      0  3     0x14280  nfsidl        nfsio
 92412  337488      0      0  3     0x14280  nfsidl        nfsio
 30158  110960      0      0  3     0x14280  nfsidl        nfsio
 10547  432096      0      0  3     0x14280  nfsidl        nfsio
 24217  282914      0      0  3     0x14280  nfsidl        nfsio
 71109  288185      0      0  3     0x14280  nfsidl        nfsio
 92013  333884      0      0  3     0x14280  nfsidl        nfsio
  6095  469360      0      0  3     0x14280  nfsidl        nfsio
 97823  254286      0      0  3     0x14280  nfsidl        nfsio
 71539  411444      0      0  3     0x14280  nfsidl        nfsio
 44370   81205      0      0  3     0x14280  nfsidl        nfsio
 97661  431827      0      0  3     0x14280  nfsidl        nfsio
 56562  206254      0      0  3     0x14280  nfsidl        nfsio
 94783  305523      0      0  3     0x14280  nfsidl        nfsio
 66410  492086      0      0  3     0x14280  nfsidl        nfsio
 95640   71379      0      0  3     0x14280  nfsidl        nfsio
 66340  319663      0      0  3     0x14200  bored         sosplice
 18055  322985  23171      0  2         0x2                syz-executor
 94584  176871  23171      0  3        0x82  wait          syz-executor
  7827   56297  23171      0  3        0x82  nanoslp       syz-executor
 87502   10374  23171      0  3        0x82  nanoslp       syz-executor
 81208  301961  23171      0  3        0x82  nanoslp       syz-executor
 65436   26276  23171      0  3        0x82  nanoslp       syz-executor
 93943   47634  23171      0  3        0x82  nanoslp       syz-executor
 26501   85509  23171      0  3        0x82  nanoslp       syz-executor
 23171  343771  14550      0  3        0x82  kqread        syz-executor
 14550  438926  12416      0  3    0x10008a  sigsusp       ksh
 12416   26361  47645      0  3        0x98  kqread        sshd-session
 47645    1289  95753      0  3        0x92  kqread        sshd-session
 58369  436105      1      0  3    0x100083  ttyin         getty
 95753  359319      1      0  3        0x88  kqread        sshd
  6126  134339  58147     73  3   0x1100090  kqread        syslogd
 58147  330573      1      0  3    0x100082  sbwait        syslogd
 23502  497985      1      0  3    0x100080  kqread        resolvd
 49548  300417  61069     77  3    0x100092  kqread        dhcpleased
  3225  452400  61069     77  3    0x100092  kqread        dhcpleased
 61069  293398      1      0  3        0x80  kqread        dhcpleased
 37432  284891      0      0  3     0x14200  bored         smr
 31426  174693      0      0  2     0x14200                zerothread
 46530   12196      0      0  3     0x14200  aiodoned      aiodoned
 73727  229505      0      0  3     0x14200  syncer        update
 60896  100086      0      0  3     0x14200  cleaner       cleaner
 85250  179240      0      0  3     0x14200  reaper        reaper
 88693  291621      0      0  3     0x14200  pgdaemon      pagedaemon
 26624  452051      0      0  3     0x14200  bored         viomb
 20429  281060      0      0  3  0x40014200  acpi0         acpi0
  5904  139987      0      0  3     0x14200  bored         softnet3
 53553  120835      0      0  3     0x14200  bored         softnet2
 87505  212132      0      0  3     0x14200  bored         softnet1
 12191  199045      0      0  3     0x14200  bored         softnet0
 37645  300184      0      0  3     0x14200  bored         systqmp
 63151   26941      0      0  3     0x14200  bored         systq
 27852  274405      0      0  3  0x40014200  tmoslp        softclock
 70028  512960      0      0  3  0x40014200                idle0
     1  414479      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb> show all locks
No such command
ddb> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10173  11042K   11236K 166960K     11412        0
            pcb    17     14K      16K 166960K       113        0
         rtable   234      7K       8K 166960K       385        0
             pf    30     12K      14K 166960K        45        0
         ifaddr    41      7K       7K 166960K        53        0
        ifgroup    50      2K       2K 166960K        68        0
         sysctl     3      1K       1K 166960K         3        0
       counters    30     17K      17K 166960K        39        0
       ioctlops     0      0K       2K 166960K        46        0
            iov     0      0K      16K 166960K        17        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1339     84K      85K 166960K      1451        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K         7        0
         VM map     2      1K       1K 166960K         2        0
            sem     6      0K       0K 166960K         8        0
        dirhash    12      2K       2K 166960K        12        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K      97K 166960K       274        0
          sigio     0      0K       0K 166960K         4        0
           proc    60     59K     124K 166960K       489        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     0      0K       0K 166960K        14        0
       in_multi    98      7K       7K 166960K       103        0
    ether_multi     1      0K       0K 166960K         2        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    61    281K     281K 166960K        61        0
           exec     0      0K       1K 166960K       365        0
   fusefs mount     1     32K      32K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   218     72K      76K 166960K      3990        0
       UVM aobj     7      2K       2K 166960K         7        0
     pinsyscall    38     76K      96K 166960K      1306        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K         6        0
            NDP    11      0K       2K 166960K        33        0
           temp    40   8671K    8736K 166960K      6167        0
         kqueue    13     20K      30K 166960K        51        0
      SYN cache     2     16K      16K 166960K         2        0
ddb> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb      120       55    0       52     1     0     1     1     0     8    0
rtentry    128      118    0       11     4     0     4     4     0     8    0
unpcb      144      109    0       93     1     0     1     1     0     8    0
syncache   336        3    0        3     1     1     0     1     0     8    0
tcpcb      808       32    0       27     1     0     1     1     0     8    0
arp         88       20    0        3     1     0     1     1     0     8    0
inpcb      344      224    0      215     7     0     7     7     0     8    5
nd6        104       25    0        1     1     0     1     1     0     8    0
pkpcb       40        1    0        1     1     1     0     1     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1072       7    0        7     2     1     1     1     0     8    1
pppxif     1384       1    0        1     1     1     0     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      474    0       14    29     0    29    29     0     8    0
art_table   32      475    0       14     4     0     4     4     0     8    0
art_node    16      116    0       19     1     0     1     1     0     8    0
sysvmsgpl   40        4    0        2     1     0     1     1     0     8    0
semupl     112        1    0        1     1     0     1     1     0     8    1
semapl     112        6    0        2     1     0     1     1     0     8    0
shmpl      112        4    0        0     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1795    0      296    95     1    94    95     0     8    0
ffsino     248     1795    0      296    95     1    94    95     0     8    0
nchpl      144     2166    0      492    63     0    63    63     0     8    0
rtmask      32        1    0        1     1     1     0     1     0     8    0
uvmvnodes   80     1931    0        0    40     0    40    40     0     8    0
vnodes     216     1931    0        0   108     0   108   108     0     8    0
namei      1024    6440    0     6439     3     2     1     2     0     8    0
kstatmem   264       34    0       12     2     0     2     2     0     8    0
scsiplug    72        1    0        1     1     0     1     1     0     8    1
scxspl     216     7106    0     7106    11     9     2     8     1     8    2
plimitpl   152       53    0       35     1     0     1     1     0     8    0
sigapl     424      575    0      509     9     1     8     8     0     8    0
futexpl     64     2245    0     2240     1     0     1     1     0     8    0
knotepl    120     8428    0     8381    11     1    10    11     0     8    8
kqueuepl   184       78    0       69     1     0     1     1     0     8    0
pipepl     296      113    0       86     3     0     3     3     0     8    0
fdescpl    440      538    0      509     5     1     4     5     0     8    0
filepl     120     2134    0     1920     9     0     9     9     0     8    2
lockfpl    104       50    0       48     1     0     1     1     0     8    0
lockfspl    48       23    0       21     1     0     1     1     0     8    0
sessionpl  144       21    0       13     1     0     1     1     0     8    0
pgrppl      48       31    0       15     1     0     1     1     0     8    0
ucredpl    104      211    0      200     1     0     1     1     0     8    0
zombiepl   144      548    0      544     1     0     1     1     0     8    0
processpl  1112     575    0      509     5     0     5     5     0     8    0
procpl     656      811    0      732     7     0     7     7     0     8    0
sosppl     168        3    0        3     3     2     1     1     0     8    1
sockpl     528      393    0      366     7     0     7     7     0     8    4
mcl64k     65536      2    0        2     1     0     1     1     0     8    1
mcl8k      8192       9    0        9     3     2     1     1     0     8    1
mcl4k      4096    2588    0     2535    14     6     8    13     0     8    1
mcl2k      2048     249    0      248     1     0     1     1     0     8    0
mtagpl      96       82    0        4     2     0     2     2     0     8    0
mbufpl     256     5537    0     5264    20     2    18    18     0     8    0
bufpl      280     2517    0      124   171     0   171   171     0     8    0
anonpl      24   108804    0   105621    35     3    32    32     0   187   10
amapchunkpl 152   12663    0    12169    31     5    26    26     0   158    5
amappl16   200     1911    0     1883     6     3     3     5     0     8    0
amappl15   192        7    0        7     1     1     0     1     0     8    0
amappl14   184      107    0       96     1     0     1     1     0     8    0
amappl13   176       24    0       24     1     1     0     1     0     8    0
amappl12   168     1150    0     1121     2     0     2     2     0     8    0
amappl11   160       46    0       36     1     0     1     1     0     8    0
amappl10   152        3    0        3     1     1     0     1     0     8    0
amappl9    144      250    0      249     1     0     1     1     0     8    0
amappl8    136       20    0       19     1     0     1     1     0     8    0
amappl7    128      121    0      111     1     0     1     1     0     8    0
amappl6    120      197    0      194     1     0     1     1     0     8    0
amappl5    112      111    0      104     1     0     1     1     0     8    0
amappl4    104      283    0      266     1     0     1     1     0     8    0
amappl3     96     2118    0     2006     4     0     4     4     0     8    0
amappl2     88      611    0      557     2     0     2     2     0     8    0
amappl1     80     7839    0     7324    12     0    12    12     0     8    0
amappl      88     3637    0     3466     5     0     5     5     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        6    0        0     1     0     1     1     0     8    0
uaddrrnd    24      538    0      509     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      538    0      509     1     0     1     1     0     8    0
vmmpekpl   168     5879    0     5849     2     0     2     2     0     8    0
vmmpepl    168    38910    0    37171    80     0    80    80     0   357    1
vmsppl     360      537    0      509     4     1     3     4     0     8    0
rwobjpl     32    15440    0    12652    23     0    23    23     0     8    0
pdppl      4096    1082    0     1018    98    32    66    82     0     8    2
pvpl        32   257904    0   249280   100     6    94    94     0   265   17
pmappl     216      537    0      509     3     0     3     3     0     8    0
extentpl    40       55    0       38     1     0     1     1     0     8    0
phpool     112      273    0       48     7     0     7     7     0     8    0
ddb> machine ddbcpu 0
No such command
ddb> trace
copyout() at copyout+0x57
syscall(ffff80003c9776d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc729806f10, count: -3
ddb> machine ddbcpu 1
No such command
ddb> trace
copyout() at copyout+0x57
syscall(ffff80003c9776d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc729806f10, count: -3

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/11 07:06 openbsd 4b6c60d68713 16256247 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: copyout
2025/03/06 17:20 openbsd 03a0e6b8181a 831e3629 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: copyout
2025/02/05 03:57 openbsd 9d84dc8a699e 5896748e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: copyout
* Struck through repros no longer work on HEAD.