syzbot


protection_fault: __llvm_retpoline_r11 (2)

Status: auto-obsoleted due to no activity on 2023/07/01 11:06
Reported-by: syzbot+7da8c7a624cd71d33356@syzkaller.appspotmail.com
First crash: 397d, last: 397d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd protection_fault: __llvm_retpoline_r11 1 564d 564d 0/3 auto-obsoleted due to no activity on 2023/01/15 19:45

Sample crash report:
kernel: protection fault trap, code=0
Stopped at      __llvm_retpoline_r11+0x14:      ret
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
__llvm_retpoline_r11() at __llvm_retpoline_r11+0x14
softclock_thread(ffff8000fffff050) at softclock_thread+0xf4 sys/kern/kern_timeout.c:765
end trace frame: 0x0, count: -2
ddb> show registers
rdi               0xdead4110dead4110
rsi                                0
rbp               0xffff8000216048b0
rbx                                0
rdx                                0
rcx               0xffffffff82c10a80    timeout_proc
rax                              0x9
r8                                 0
r9                                 0
r10               0x78bca212a8660b19
r11               0xdead4110dead4110
r12               0xdead4110dead4110
r13               0xffffffff82b9dff0    cpu_info_full_primary+0x1ff0
r14               0xffff8000ffffcbd0
r15               0xdead4110dead4110
rip               0xffffffff81008ac4    __llvm_retpoline_r11+0x14
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800021604870
ss                              0x10
__llvm_retpoline_r11+0x14:      ret
ddb> show proc
PROC (softclock) pid=321783 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
    pri=0, usrpri=50, nice=20
    forw=0xffffffffffffffff, list=0xffff8000fffff308,0xffff8000ffffeda8
    process=0xffff8000ffffcbd0 user=0xffff8000215ff000, vmspace=0xffffffff82c0a9b0
    estcpu=0, cpticks=0, pctcpu=0.0
    user=0, sys=0, intr=0
ddb> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 64390   20742  39113      0  2      0x3000                syz-executor.5
 91196  102046  68068      0  2           0                syz-executor.6
 91196  306102  68068      0  3   0x4000080  fsleep        syz-executor.6
 63185  227029  67842      0  2       0x480                syz-executor.3
 63185  333479  67842      0  3   0x4000080  fsleep        syz-executor.3
 35327  428769  41284      0  2       0x480                syz-executor.7
 35327  412547  41284      0  3   0x4000080  netio         syz-executor.7
 35327  275215  41284      0  3   0x4000080  fsleep        syz-executor.7
 67842  459845  64413      0  2       0x482                syz-executor.3
 36157  276306  64413      0  3        0x82  piperd        syz-executor.2
 22694  291730  64413      0  2       0x482                syz-executor.4
 39113  269427  64413      0  2       0x482                syz-executor.5
 41284  494157  64413      0  2       0x482                syz-executor.7
 68068  241214  64413      0  2       0x482                syz-executor.6
 70201   25641      0      0  3     0x14280  nfsidl        nfsio
 76747  274927      0      0  3     0x14280  nfsidl        nfsio
  9462  440555      0      0  3     0x14280  nfsidl        nfsio
 39687  299857      0      0  3     0x14280  nfsidl        nfsio
 72515  317086      0      0  3     0x14280  nfsidl        nfsio
 41418  347622      0      0  3     0x14280  nfsidl        nfsio
  3155  154119      0      0  3     0x14280  nfsidl        nfsio
 76706  302907      0      0  3     0x14280  nfsidl        nfsio
 51843  417771      0      0  3     0x14280  nfsidl        nfsio
  6427  230886      0      0  3     0x14280  nfsidl        nfsio
 47323  206165      0      0  3     0x14280  nfsidl        nfsio
  9262  131662      0      0  3     0x14280  nfsidl        nfsio
  2607   77086      0      0  3     0x14280  nfsidl        nfsio
 39440  304886      0      0  3     0x14280  nfsidl        nfsio
 15774  403277      0      0  3     0x14280  nfsidl        nfsio
 31649  126716      0      0  3     0x14280  nfsidl        nfsio
 54334  200281      0      0  3     0x14280  nfsidl        nfsio
 35266  449632      0      0  3     0x14280  nfsidl        nfsio
  7657  507842      0      0  3     0x14280  nfsidl        nfsio
 51016  484367      0      0  3     0x14280  nfsidl        nfsio
 40885    7422  64413      0  2       0x482                syz-executor.0
 37980  278305  64413      0  2       0x482                syz-executor.1
 56476   48807      0      0  3     0x14200  acct          acct
 84504  238910      1      0  3    0x100083  ttyin         getty
 29201   72371      0      0  3     0x14200  bored         sosplice
 64413  437498  51572      0  3        0x82  wait          syz-fuzzer
 64413  273418  51572      0  3   0x4000082  thrsleep      syz-fuzzer
 64413  355654  51572      0  3   0x4000082  wait          syz-fuzzer
 64413   90712  51572      0  3   0x4000082  thrsleep      syz-fuzzer
 64413  302775  51572      0  3   0x4000082  wait          syz-fuzzer
 64413   25304  51572      0  3   0x4000082  wait          syz-fuzzer
 64413  474020  51572      0  3   0x4000082  wait          syz-fuzzer
 64413  436049  51572      0  3   0x4000082  thrsleep      syz-fuzzer
 64413   74063  51572      0  3   0x4000082  wait          syz-fuzzer
 64413  345227  51572      0  3   0x4000082  kqread        syz-fuzzer
 64413  258744  51572      0  3   0x4000082  thrsleep      syz-fuzzer
 64413  467441  51572      0  3   0x4000082  wait          syz-fuzzer
 64413  382615  51572      0  3   0x4000082  wait          syz-fuzzer
 64413  460316  51572      0  3   0x4000082  thrsleep      syz-fuzzer
 51572  283997  14775      0  3    0x10008a  sigsusp       ksh
 14775  285229   5986      0  3        0x9a  kqread        sshd
  5986  522617      1      0  3        0x88  kqread        sshd
 56095  126531  35867     73  3   0x1100090  kqread        syslogd
 35867  315298      1      0  3    0x100082  netio         syslogd
 43473  191259      1      0  3    0x100080  kqread        resolvd
  2205  408874      0      0  2     0x14200                smr
 23206  495446      0      0  2     0x14200                zerothread
 29292   13343      0      0  3     0x14200  aiodoned      aiodoned
 64322   87494      0      0  3     0x14200  syncer        update
 98505  407712      0      0  3     0x14200  cleaner       cleaner
 79804  305118      0      0  3     0x14200  reaper        reaper
 69727   45453      0      0  3     0x14200  pgdaemon      pagedaemon
 82870  431036      0      0  3     0x14200  bored         viomb
 76247  217621      0      0  3  0x40014200  acpi0         acpi0
 93513  341557      0      0  3     0x14200  bored         softnet
 43827  502345      0      0  3     0x14200  bored         softnet
 25988  342717      0      0  3     0x14200  bored         softnet
 22157  198884      0      0  3     0x14200  bored         softnet
 56267  461658      0      0  3     0x14200  bored         systqmp
 88052  156438      0      0  3     0x14200  bored         systq
*42881  321783      0      0  7  0x40014200                softclock
 10989  157286      0      0  3  0x40014200                idle0
     1  137433      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 10218   6425K    7210K  78643K     13435        0
            pcb    13     20K      24K  78643K      1072        0
         rtable   245     17K      17K  78643K      1844        0
         ifaddr    94     26K      27K  78643K       725        0
         sysctl     2      0K       2K  78643K         9        0
       counters    30     17K      17K  78643K       278        0
       ioctlops     0      0K       4K  78643K       873        0
            iov     0      0K      32K  78643K      1109        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1556     97K      98K  78643K      5886        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       9K  78643K        80        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K      1092        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    15     53K      73K  78643K      6685        0
          sigio     0      0K       0K  78643K       163        0
           proc    56     43K      83K  78643K      1571        0
        subproc   104      6K       6K  78643K       498        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K       573        0
       in_multi   100      6K       7K  78643K       656        0
    ether_multi     1      0K       0K  78643K        89        0
            mrt     1      0K       0K  78643K        41        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys   217    970K     970K  78643K       217        0
           exec     0      0K       1K  78643K      1973        0
            tdb     3      0K       0K  78643K         3        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     8     62K      64K  78643K        10        0
       UVM amap   286     84K      99K  78643K     44158        0
       UVM aobj   131      6K       6K  78643K       137        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       336        0
            NDP    14      0K       1K  78643K       236        0
           temp   135   5770K   71434K  78643K     95459        0
         kqueue     6     10K      24K  78643K       541        0
      SYN cache     2     16K      16K  78643K         2        0
ddb> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb      120      506    0      505     5     4     1     2     0     8    0
rtentry    112      604    0      497     5     1     4     4     0     8    0
unpcb      144     7419    0     7283    59    53     6     8     0     8    0
syncache   296       53    0       53     9     9     0     1     0     8    0
sackhl      24        1    0        1     1     1     0     1     0     8    0
tcpqe       32      114    0      114     4     4     0     1     0     8    0
tcpcb      776     9538    0     9532   124   115     9    21     0     8    8
arp         88       90    0       70     1     0     1     1     0     8    0
ipq         40        7    0        6     4     3     1     1     0     8    0
ipqe        40       19    0       15     4     3     1     1     0     8    0
inpcb      336    14126    0    14121   122   111    11    20     0     8   10
nd6         48      122    0       98     1     0     1     1     0     8    0
pkpcb       40        4    0        4     1     1     0     1     0     8    0
kcovpl      48       38    0       30     1     0     1     1     0     8    0
ppxss      1160     163    0      161    10     9     1     1     0     8    0
pppxif     1360      99    0       99     7     7     0     1     0     8    0
pfstscr     40       73    0        0     1     0     1     1     0     8    0
pfanchor   1280     258    0        8    21     0    21    21     0     8    0
pfstitem    24       79    0       66     1     0     1     1     0     8    0
pfstkey    128      119    0      115     1     0     1     1     0     8    0
pfstate    352      113    0       40     7     0     7     7     0     8    0
rttmr      136       16    0       16     6     5     1     1     0     8    1
pool(rttmr): free list modified: page 0xfffffd8069956000; item ordinal 0; addr 0xfffffd8069956e80 (p 0xfffffd8069956000); offset 0x10=0xffffffff
art_heap8  4096       8    0        7     6     5     1     3     0     8    0
art_heap4  256     2536    0     2068    46    16    30    30     0     8    0
art_table   32     2544    0     2075     4     0     4     4     0     8    0
art_node    16      599    0      505     1     0     1     1     0     8    0
sysvmsgpl   40        2    0        2     1     1     0     1     0     8    0
semapl     112     1090    0     1080     1     0     1     1     0     8    0
shmpl      112      134    0        6     4     0     4     4     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    11268    0     9818    91     0    91    91     0     8    0
ffsino     240    11268    0     9818    86     0    86    86     0     8    0
nchpl      144    20703    0    19065    63     0    63    63     0     8    0
rtmask      32        1    0        1     1     1     0     1     0     8    0
uvmvnodes   80     5926    0        0   121     0   121   121     0     8    0
vnodes     216     5926    0        0   330     0   330   330     0     8    0
namei      1024   78007    0    78007     3     2     1     3     0     8    1
vmpool     664       20    0       20     6     6     0     1     0     8    0
kstatmem   264      310    0      282     4     1     3     3     0     8    1
scxspl     216    54059    0    54059    17    16     1     8     0     8    1
plimitpl   152     1058    0     1044     1     0     1     1     0     8    0
sigapl     424     6944    0     6881     8     0     8     8     0     8    0
futexpl     64    78645    0    78642     1     0     1     1     0     8    0
knotepl    120   120617    0   120552    39    35     4    15     0     8    0
kqueuepl   184     1657    0     1652    22    21     1     7     0     8    0
pipepl     288     2397    0     2369    41    38     3     9     0     8    0
fdescpl    432     6904    0     6881     4     0     4     4     0     8    0
filepl     120    64240    0    63893    77    63    14    17     0     8    3
lockfpl    104     1353    0     1352     2     1     1     2     0     8    0
lockfspl    48      553    0      552     1     0     1     1     0     8    0
sessionpl  144       54    0       39     1     0     1     1     0     8    0
pgrppl      48      295    0      280     1     0     1     1     0     8    0
ucredpl    104    10072    0    10064     1     0     1     1     0     8    0
zombiepl   144     6885    0     6881     2     1     1     1     0     8    0
processpl  1008    6944    0     6881    10     1     9     9     0     8    0
procpl     696    16794    0    16714    13     4     9     9     0     8    0
sosppl     168       94    0       94     8     8     0     1     0     8    0
sockpl     456    22071    0    21929   430   410    20    35     0     8    2
mcl64k     65536    301    0      299     8     7     1     1     0     8    0
mcl16k     16384    124    0      124    14    14     0     1     0     8    0
mcl12k     12288    229    0      229    11    11     0     1     0     8    0
mcl9k      9216      99    0       98    11    10     1     1     0     8    0
mcl8k      8192     399    0      394     7     6     1     1     0     8    0
mcl4k      4096     802    0      798     4     3     1     1     0     8    0
mcl2k2     2112      37    0       37    13    13     0     1     0     8    0
mcl2k      2048   92373    0    92321    40    32     8    31     0     8    0
mtagpl      96      166    0      166     5     5     0     4     0     8    0
mbufpl     256   232128    0   231938  1078  1064    14   507     0     8    0
bufpl      288    14468    0     8071   458     0   458   458     0     8    0
anonpl      24  1328790    0  1311659   167    51   116   139     0   188    0
amapchunkpl 152  126494    0   125802    82    49    33    42     0   158    0
amappl16   200    11771    0    11169    67    31    36    45     0     8    0
amappl15   192       11    0       10     1     0     1     1     0     8    0
amappl14   184      270    0      260     2     1     1     2     0     8    0
amappl13   176       14    0       14     3     3     0     1     0     8    0
amappl12   168      761    0      760     1     0     1     1     0     8    0
amappl11   160       51    0       46     1     0     1     1     0     8    0
amappl10   152       67    0       57     1     0     1     1     0     8    0
amappl9    144      988    0      988     6     6     0     1     0     8    0
amappl8    136      339    0      258     3     0     3     3     0     8    0
amappl7    128      222    0      201     2     0     2     2     0     8    0
amappl6    120      332    0      318     2     1     1     2     0     8    0
amappl5    112      350    0      347     1     0     1     1     0     8    0
amappl4    104      943    0      914     2     1     1     2     0     8    0
amappl3     96    19114    0    19071     2     0     2     2     0     8    0
amappl2     88     7743    0     7689     3     0     3     3     0     8    0
amappl1     80   155744    0   155152    27    13    14    26     0     8    0
amappl      88    43201    0    43033     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      136    0        6     3     0     3     3     0     8    0
uaddrrnd    24     6924    0     6901     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     6924    0     6901     1     0     1     1     0     8    0
vmmpekpl   168    56584    0    56520     4     0     4     4     0     8    0
vmmpepl    168   637073    0   634657   263   144   119   145     0   357    2
vmsppl     344     6923    0     6901     3     0     3     3     0     8    0
rwobjpl     24   166932    0   159323    47     0    47    47     0     8    0
pdppl      4096   13854    0    13802   416   358    58    68     0     8    6
pvpl        32  2643759    0  2621790   354   165   189   333     0   265    0
pmappl     216     6923    0     6901     2     0     2     2     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112     2433    0     1665    37    12    25    37     0     8    0
ddb> machine ddbcpu 0
No such command
ddb> trace
__llvm_retpoline_r11() at __llvm_retpoline_r11+0x14
softclock_thread(ffff8000fffff050) at softclock_thread+0xf4 sys/kern/kern_timeout.c:765
end trace frame: 0x0, count: -2
ddb> machine ddbcpu 1
No such command
ddb> trace
__llvm_retpoline_r11() at __llvm_retpoline_r11+0x14
softclock_thread(ffff8000fffff050) at softclock_thread+0xf4 sys/kern/kern_timeout.c:765
end trace frame: 0x0, count: -2

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/02 11:05 openbsd 1e5b016c5082 f325deb0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: __llvm_retpoline_r11
* Struck through repros no longer work on HEAD.