syzbot


uvm_fault: x86_ipi_db

Status: closed as invalid on 2021/01/03 08:45
Reported-by: syzbot+08691558462bc8642cd3@syzkaller.appspotmail.com
First crash: 1232d, last: 1232d
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: x86_ipi_db (3) 4 1179d 1196d 0/3 auto-closed as invalid on 2021/05/25 04:20
openbsd uvm_fault: x86_ipi_db (6) 1 995d 995d 0/3 closed as invalid on 2021/08/26 17:38
openbsd uvm_fault: x86_ipi_db (2) 1 1229d 1229d 0/3 closed as invalid on 2021/01/29 06:54
openbsd uvm_fault: x86_ipi_db (8) 209 1d19h 819d 0/3 upstream: reported on 2022/02/19 02:28
openbsd uvm_fault: x86_ipi_db (5) 1 1000d 1000d 0/3 closed as invalid on 2021/08/23 05:23
openbsd uvm_fault: x86_ipi_db (7) 4 869d 869d 3/3 fixed on 2021/12/30 22:14
openbsd uvm_fault: x86_ipi_db (4) 1 1014d 1014d 0/3 closed as invalid on 2021/08/08 05:33

Sample crash report:
uvm_fault(fffffd8068a81020,20ff8000,2,3) at uvm_fault+0x176 sys/uvm/uvm_fault.c:946
uvm_fault_wire(fffffd8068a81020,20ff8000,20ffb000,3) at uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1385
uvm_map_pageable_wire(fffffd8068a81020,fffffd80657353f0,fffffd80647510c0,dfe,ffffffff8115ffce,0) at uvm_map_pageable_wire+0x30d sys/uvm/uvm_map.c:2367
sys_mlock(ffff800021cbf260,ffff800021d6bab8,ffff800021d6bb00) at sys_mlock+0x180 sys/uvm/uvm_mmap.c:772
syscall(ffff800021d6bb80) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021d6bb80) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe6d7a84e040, count: -14
ddb{0}> show registers
rdi                              0x3
rsi                          0x40000    acpi_pdirpa+0x2be68
rbp               0xffff800021d6b350
rbx                              0x3
rdx               0xffff800000b9ad40
rcx                              0x3
rax                          0x3ffff    acpi_pdirpa+0x2be67
r8                0xffffffff8115dc5f    witness_checkorder+0x101f
r9                               0x5
r10               0xbaab3577d0bcf8c4
r11               0x14b78d9eb7a9fdbb
r12               0xffffffff82856210    w_lodata+0x54220
r13               0xfffffd8068a880a8
r14               0xffffffff8283ff50    w_lodata+0x3df60
r15               0xfffffd8002cd4540
rip               0xffffffff81ff2368    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff800021d6b340
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.1) pid=380085 stat=onproc
    flags process=0 proc=4000000<THREAD>
    pri=86, usrpri=86, nice=20
    forw=0xffffffffffffffff, list=0xffff800021cbe7e0,0xffffffff829180a0
    process=0xffff800021d14ca8 user=0xffff800021d66000, vmspace=0xfffffd8068a81020
    estcpu=36, cpticks=0, pctcpu=0.0
    user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 16206  478397  74106      0  2           0                syz-executor.1
 16206   46643  74106      0  3   0x4000000  biowait       syz-executor.1
*16206  380085  74106      0  7   0x4000000                syz-executor.1
 86228  197966  33493      0  3         0x2  biowait       syz-executor.0
 74106  345706  33493      0  3        0x82  nanoslp       syz-executor.1
 90090  154238      0      0  3     0x14280  nfsidl        nfsio
 80768   76056      0      0  3     0x14280  nfsidl        nfsio
 49358  489983      0      0  3     0x14280  nfsidl        nfsio
 93323  509724      0      0  3     0x14280  nfsidl        nfsio
 63372  500192      0      0  3     0x14280  nfsidl        nfsio
 89891  212305      0      0  3     0x14280  nfsidl        nfsio
  8947    8494      0      0  3     0x14280  nfsidl        nfsio
 10142  267138      0      0  3     0x14280  nfsidl        nfsio
 25209  242560      0      0  3     0x14280  nfsidl        nfsio
 61078  493303      0      0  3     0x14280  nfsidl        nfsio
 54804   76487      0      0  3     0x14280  nfsidl        nfsio
 51458  105754      0      0  3     0x14280  nfsidl        nfsio
 46399  243054      0      0  3     0x14280  nfsidl        nfsio
 59534  284456      0      0  3     0x14280  nfsidl        nfsio
 49895  353408      0      0  3     0x14280  nfsidl        nfsio
 80403  231255      0      0  3     0x14280  nfsidl        nfsio
 89299  438712      0      0  3     0x14280  nfsidl        nfsio
 60493  216138      0      0  3     0x14280  nfsidl        nfsio
 90319  205689      0      0  3     0x14280  nfsidl        nfsio
 65617  279614      0      0  3     0x14280  nfsidl        nfsio
 14915  376287      0      0  3     0x14200  bored         sosplice
 33493  337337  23163      0  3        0x82  thrsleep      syz-fuzzer
 33493  395543  23163      0  3   0x4000082  nanoslp       syz-fuzzer
 33493  387849  23163      0  3   0x4000082  thrsleep      syz-fuzzer
 33493  234040  23163      0  3   0x4000082  kqread        syz-fuzzer
 33493  353455  23163      0  3   0x4000082  nanoslp       syz-fuzzer
 33493   23482  23163      0  3   0x4000082  thrsleep      syz-fuzzer
 33493  158574  23163      0  3   0x4000082  thrsleep      syz-fuzzer
 33493  330991  23163      0  3   0x4000082  thrsleep      syz-fuzzer
 23163  483492  41302      0  3    0x10008a  sigsusp       ksh
 41302   70599  84988      0  3        0x92  kqread        sshd
 10936  399166      1      0  3    0x100083  ttyin         getty
 84988  458266      1      0  3        0x80  kqread        sshd
  4018  519228  63753     74  3    0x100092  bpf           pflogd
 63753    8300      1      0  3        0x80  netio         pflogd
  4908  182074  94313     73  3    0x100090  kqread        syslogd
 94313  356332      1      0  3    0x100082  netio         syslogd
 82003  127170      1     77  3    0x100090  poll          dhclient
 82771  228908      1      0  3        0x80  poll          dhclient
 42322  281088      0      0  3     0x14200  bored         smr
 13749   22148      0      0  2     0x14200                zerothread
 66746  228504      0      0  3     0x14200  aiodoned      aiodoned
 94781  351002      0      0  3     0x14200  syncer        update
 61850  399503      0      0  3     0x14200  cleaner       cleaner
 60822  460535      0      0  3     0x14200  reaper        reaper
 13301  349047      0      0  3     0x14200  pgdaemon      pagedaemon
  6992  197204      0      0  3     0x14200  bored         crynlk
 30210  237023      0      0  3     0x14200  bored         crypto
  7881  390019      0      0  3     0x14200  bored         viomb
 37560   46342      0      0  3  0x40014200  acpi0         acpi0
 83073  516512      0      0  7  0x40014200                idle1
 45172  130395      0      0  3     0x14200  bored         softnet
 33983  521195      0      0  3     0x14200  bored         systqmp
 35040  335811      0      0  3     0x14200  bored         systq
 10966  406451      0      0  3  0x40014200  bored         softclock
 78789  445432      0      0  3  0x40014200                idle0
     1  109886      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 16206 (syz-executor.1) thread 0xffff800021cbe7e0 (46643)
exclusive rrwlock inode r = 0 (0xfffffd8068a880a8)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1  rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2  rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3  VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4  vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5  vn_write+0x11a sys/kern/vfs_vnops.c:411
#6  dofilewritev+0x1ab sys/kern/sys_generic.c:379
#7  sys_pwritev+0xb8 sys/kern/vfs_syscalls.c:3351
#8  syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#9  Xsyscall+0x128
Process 16206 (syz-executor.1) thread 0xffff800021cbf260 (380085)
shared rwlock vmmaplk r = 0 (0xfffffd8068a81038)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1  rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2  vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5463
#3  uvm_map_pageable+0x120 sys/uvm/uvm_map.c:2463
#4  sys_mlock+0x180 sys/uvm/uvm_mmap.c:772
#5  syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5  syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6  Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828c38a0)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1  syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1  syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
#2  Xsyscall+0x128
Process 86228 (syz-executor.0) thread 0xffff800021cbfa40 (197966)
exclusive rrwlock inode r = 0 (0xfffffd8068a88e78)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1  rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2  rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3  VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4  vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5  vget+0x1c6 sys/kern/vfs_subr.c:671
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x6b sys/ufs/ffs/ffs_vfsops.c:1321
#8  ufs_lookup+0x151d sys/ufs/ufs/ufs_lookup.c:487
#9  VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90
#10 vfs_lookup+0x708 sys/kern/vfs_lookup.c:568
#11 namei+0x5f7 sys/kern/vfs_lookup.c:249
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#13 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068a88928)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1  rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2  rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3  VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4  vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5  vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6  namei+0x5f7 sys/kern/vfs_lookup.c:249
#7  dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#8  syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf  9585   6464K    7341K  78643K     87274        0
            pcb    13      8K       8K  78643K       337        0
         rtable   102     12K      13K  78643K      1507        0
         ifaddr   103     19K      19K  78643K       423        0
         sysctl     2      0K       1K  78643K         4        0
       counters    44     34K      34K  78643K       144        0
       ioctlops     0      0K       4K  78643K      1899        0
            iov     0      0K      16K  78643K       269        0
          mount     1      1K       1K  78643K         1        0
         vnodes  1218     77K      77K  78643K     72186        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       5K  78643K        26        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K       381        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12598        0
      file desc     5     13K      25K  78643K     84329        0
          sigio     0      0K       0K  78643K        82        0
           proc    63     63K      95K  78643K      1103        0
        subproc    32      2K       2K  78643K       204        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K       581        0
       in_multi    33      2K       2K  78643K       463        0
    ether_multi     1      0K       0K  78643K        76        0
            mrt     0      0K       0K  78643K        18        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    73    334K     334K  78643K        73        0
           exec     0      0K       2K  78643K       837        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   374    333K     333K  78643K    223537        0
       UVM aobj    55      7K       7K  78643K        66        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       234        0
            NDP    19      0K       0K  78643K       111        0
           temp   166   3995K    4059K  78643K    288201        0
         kqueue     6      9K      17K  78643K       269        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
arp         64       35    0       29     1     0     1     1     0     8    0
plcache    128       20    0        0     1     0     1     1     0     8    0
rtpcb      120      272    0      270     1     0     1     1     0     8    0
rtentry    112      258    0      222     2     0     2     2     0     8    0
unpcb      120     5382    0     5359     4     3     1     2     0     8    0
syncache   296       49    0       49     9     9     0     1     0     8    0
tcpqe       32      192    0      192     9     9     0     1     0     8    0
tcpcb      736      891    0      887    22    21     1     5     0     8    0
inpcb      296     2880    0     2873    15    14     1     2     0     8    0
rttmr       72        1    0        1     1     1     0     1     0     8    0
nd6         48       56    0       50     1     0     1     1     0     8    0
pkpcb       40       42    0       42     7     7     0     1     0     8    0
kcovpl      48       12    0       10     1     0     1     1     0     8    0
swfcl       56        2    0        0     1     0     1     1     0     8    0
ppxss      1128       5    0        5     2     2     0     1     0     8    0
pffrag     232       38    0       38     3     3     0     1     0   482    0
pffrnode    88       38    0       38     3     3     0     1     0     8    0
pffrent     40      434    0      434     4     4     0     1     0     8    0
pfosfp      40     1460    0     1456     6     5     1     5     0     8    0
pfosfpen   112     1460    0     1428    22    21     1    21     0     8    0
pfrktable  1344      97    0       95     1     0     1     1     0     8    0
pftag       88        4    0        0     1     0     1     1     0     8    0
pfqueue    264       14    0       14     1     1     0     1     0     8    0
pfstitem    24      178    0      176     1     0     1     1     0     8    0
pfstkey    112      178    0      176     3     2     1     3     0     8    0
pfstate    328      178    0      176     9     8     1     6     0     8    0
pfrule     1360     195    0      145     6     1     5     5     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256     1155    0      975    15     3    12    13     0     8    0
art_table   32     1156    0      975     2     0     2     2     0     8    0
art_node    16      255    0      225     1     0     1     1     0     8    0
sysvmsgpl   40       62    0       61     1     0     1     1     0     8    0
semapl     112      379    0      369     1     0     1     1     0     8    0
shmpl      112       63    0       11     2     0     2     2     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    87133    0    85714    93     3    90    90     0     8    0
ffsino     272    87133    0    85714    96     0    96    96     0     8    0
nchpl      144   172652    0   171057    60     0    60    60     0     8    0
uvmvnodes   72     5926    0        0   108     0   108   108     0     8    0
vnodes     224     5926    0        0   349     0   349   349     0     8    0
namei      1024  428747    0   428747     1     0     1     1     0     8    1
percpumem   16       83    0       50     1     0     1     1     0     8    0
vcpupl     1984      26    0        0     4     0     4     4     0     8    0
vmpool     560       45    0       19     3     1     2     2     0     8    0
pfiaddrpl  120       30    0       30     4     4     0     1     0     8    0
scsiplug    72       10    0       10     3     3     0     1     0     8    0
scxspl     216   517397    0   517395     9     8     1     8     0     8    0
plimitpl   152      418    0      410     1     0     1     1     0     8    0
sigapl     424    84536    0    84483     7     0     7     7     0     8    1
futexpl     56   467534    0   467534     1     0     1     1     0     8    1
knotepl    112   763108    0   763082     3     2     1     2     0     8    0
kqueuepl   168     4268    0     4263     1     0     1     1     0     8    0
pipepl     336      360    0      349     3     1     2     3     0     8    0
fdescpl    496    84499    0    84483     3     0     3     3     0     8    0
filepl     152   179102    0   178997     8     3     5     7     0     8    0
lockfpl    104      837    0      836     1     0     1     1     0     8    0
lockfspl    48      305    0      304     1     0     1     1     0     8    0
sessionpl  144       28    0       17     1     0     1     1     0     8    0
pgrppl      48       84    0       73     1     0     1     1     0     8    0
ucredpl     96     3713    0     3700     1     0     1     1     0     8    0
zombiepl   144    84483    0    84483     1     0     1     1     0     8    1
processpl  1072   84536    0    84483     4     0     4     4     0     8    0
procpl     672   170020    0   169958     7     1     6     6     0     8    0
sosppl     168       70    0       70    12    12     0     1     0     8    0
sockpl     432     8579    0     8545    15    10     5     6     0     8    0
mcl64k     65536     18    0        0     3     0     3     3     0     8    0
mcl16k     16384      3    0        0     1     0     1     1     0     8    0
mcl12k     12288      5    0        0     1     0     1     1     0     8    0
mcl9k      9216      17    0        0     2     0     2     2     0     8    0
mcl8k      8192      17    0        0     3     0     3     3     0     8    0
mcl4k      4096      12    0        0     2     0     2     2     0     8    0
mcl2k2     2112       5    0        0     1     0     1     1     0     8    0
mcl2k      2048    1382    0        0    25     2    23    24     0     8    1
mtagpl      96      349    0        0     7     0     7     7     0     8    0
mbufpl     256     1618    0        0    46     0    46    46     0     8    0
bufpl      280    89546    0    83297   447     0   447   447     0     8    0
anonpl      16  4898292    0  4883686   108    49    59    59     0   124    0
amapchunkpl 152  261053    0   260782    42    31    11    23     0   158    0
amappl16   192   262359    0   261702    68    34    34    34     0     8    0
amappl15   184      511    0      510     1     0     1     1     0     8    0
amappl14   176      281    0      277     1     0     1     1     0     8    0
amappl13   168    38288    0    38285     1     0     1     1     0     8    0
amappl12   160       13    0        7     1     0     1     1     0     8    0
amappl11   152       98    0       80     1     0     1     1     0     8    0
amappl10   144     2334    0     2330     1     0     1     1     0     8    0
amappl9    136    40937    0    40935     3     2     1     1     0     8    0
amappl8    128     2547    0     2338     7     0     7     7     0     8    0
amappl7    120    41017    0    41008     1     0     1     1     0     8    0
amappl6    112     2435    0     2415     1     0     1     1     0     8    0
amappl5    104    46558    0    46539     1     0     1     1     0     8    0
amappl4     96      605    0      571     1     0     1     1     0     8    0
amappl3     88    76434    0    76424     1     0     1     1     0     8    0
amappl2     80   680700    0   680620     3     0     3     3     0     8    0
amappl1     72  2141878    0  2141389    26    16    10    19     0     8    0
amappl      80   170510    0   170400     3     0     3     3     0    84    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      64       65    0       11     1     0     1     1     0     8    0
uaddrrnd    24    84544    0    84502     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24    84544    0    84502     1     0     1     1     0     8    0
vmmpekpl   168   272623    0   272584     2     0     2     2     0     8    0
vmmpepl    168 10200139    0 10197971   184    85    99   100     0   357    1
vmsppl     368    84543    0    84502     5     1     4     4     0     8    0
pdppl      4096  169095    0   169030    88    21    67    68     0     8    2
pvpl        32 26845421    0 26827568   322   172   150   150     0   265    0
pmappl     232    84543    0    84502     4     1     3     3     0     8    0
extentpl    40       58    0       40     1     0     1     1     0     8    0
phpool     112      416    0       55    11     0    11    11     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
witness_checkorder(fffffd8068a880a8,9,0) at witness_checkorder+0x1049
rw_enter(fffffd8068a88098,81) at rw_enter+0xd4
rrw_enter(fffffd8068a88098,81) at rrw_enter+0x88 sys/kern/kern_rwlock.c:462
VOP_LOCK(fffffd806e251970,81) at VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
vn_lock(fffffd806e251970,81) at vn_lock+0x6c sys/kern/vfs_vnops.c:575
uvn_get(fffffd806e252758,0,ffff800021d6b6f8,ffff800021d6b6e4,0,1) at uvn_get+0x276 uvm_vnode_lock sys/uvm/uvm_vnode.c:1499 [inline]
uvn_get(fffffd806e252758,0,ffff800021d6b6f8,ffff800021d6b6e4,0,1) at uvn_get+0x276 sys/uvm/uvm_vnode.c:993
uvm_fault_lower(ffff800021d6b898,ffff800021d6b870,ffff800021d6b770,2,3) at uvm_fault_lower+0x6ff sys/uvm/uvm_fault.c:1116
uvm_fault(fffffd8068a81020,20ff8000,2,3) at uvm_fault+0x176 sys/uvm/uvm_fault.c:946
uvm_fault_wire(fffffd8068a81020,20ff8000,20ffb000,3) at uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1385
uvm_map_pageable_wire(fffffd8068a81020,fffffd80657353f0,fffffd80647510c0,dfe,ffffffff8115ffce,0) at uvm_map_pageable_wire+0x30d sys/uvm/uvm_map.c:2367
sys_mlock(ffff800021cbf260,ffff800021d6bab8,ffff800021d6bb00) at sys_mlock+0x180 sys/uvm/uvm_mmap.c:772
syscall(ffff800021d6bb80) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021d6bb80) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe6d7a84e040, count: -14
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
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+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d68ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/01 13:48 openbsd caf1a96fd666 79264ae3 .config console log report ci-openbsd-multicore
* Struck through repros no longer work on HEAD.