syzbot


uvm_fault: uvm_map_teardown

Status: upstream: reported on 2022/11/14 09:36
Reported-by: syzbot+e9d9d676cdb6656e2649@syzkaller.appspotmail.com
First crash: 84d, last: 84d

Sample crash report:
uvm_fault(0xffffffff82b339b8, 0x45, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at      uvm_map_teardown+0x1ca: movq    $0,0x20(%r12)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*274994  64335      0     0x14000      0x200    1K reaper
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca dead_entry_push sys/uvm/uvm_map.c:551 [inline]
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca sys/uvm/uvm_map.c:2579
uvmspace_free(fffffd8074244760) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff800021232d28) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 12
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xffffffff82b339b8, 0x45, 0, 2) -> e
ddb{1}> trace
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca dead_entry_push sys/uvm/uvm_map.c:551 [inline]
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca sys/uvm/uvm_map.c:2579
uvmspace_free(fffffd8074244760) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff800021232d28) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -3
ddb{1}> show registers
rdi               0xffffffff827efad8    uvm_map_addr_RBT_INFO
rsi               0xfffffd80747743b8
rbp               0xffff800021239480
rbx                                0
rdx                                0
rcx                                0
rax                             0x45
r8                     0x59a4551d000
r9                                 0
r10               0xa6a2e52ac2debf4f
r11               0x725e73dda2d69d35
r12                             0x25
r13                          0x40000    acpi_pdirpa+0x2be68
r14               0xfffffd8074244760
r15               0xfffffd80747743b8
rip               0xffffffff81f142ca    uvm_map_teardown+0x1ca
cs                               0x8
rflags                       0x10202    __ALIGN_SIZE+0xf202
rsp               0xffff800021239440
ss                              0x10
uvm_map_teardown+0x1ca: movq    $0,0x20(%r12)
ddb{1}> show proc
PROC (reaper) pid=274994 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
    pri=4, usrpri=60, nice=20
    forw=0xffffffffffffffff, list=0xffff800021232fc8,0xffff800021232a98
    process=0xffff8000ffffedb8 user=0xffff800021234000, vmspace=0xffffffff82b339b8
    estcpu=10, cpticks=1, pctcpu=1.23
    user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 22435   70880  19759      0  3        0x80  nanoslp       syz-executor.0
 22435   86877  19759      0  3   0x4000080  kqread        syz-executor.0
 22435  128092  19759      0  3   0x4000080  fsleep        syz-executor.0
 37244  341474  60924      0  3        0x80  nanoslp       syz-executor.3
 37244  356549  60924      0  3   0x4000080  netcon        syz-executor.3
 37244  436525  60924      0  3   0x4000080  fsleep        syz-executor.3
 29950  320895   5314      0  3        0x82  piperd        syz-executor.7
 16575  433399      1      0  3    0x100083  ttyin         getty
 23250  481317   5314      0  3        0x82  piperd        syz-executor.6
 19759  188684   5314      0  3        0x82  nanoslp       syz-executor.0
 38805  410190   5314      0  3        0x82  piperd        syz-executor.2
 28555  154860   5314      0  3        0x82  piperd        syz-executor.4
 37517  383894      1      0  3           0  vmmaplk       syz-executor.4
 37517  341164      1      0  3   0x4000000  vmmaplk       syz-executor.4
 60924  229359   5314      0  3        0x82  nanoslp       syz-executor.3
 70295  140321      0      0  3     0x14280  nfsidl        nfsio
 26724  211769      0      0  3     0x14280  nfsidl        nfsio
 25055  221695      0      0  3     0x14280  nfsidl        nfsio
 25129  349998      0      0  3     0x14280  nfsidl        nfsio
 27042  243540      0      0  3     0x14280  nfsidl        nfsio
 98124  483082      0      0  3     0x14280  nfsidl        nfsio
 89805   87894      0      0  3     0x14280  nfsidl        nfsio
 87575  178468      0      0  3     0x14280  nfsidl        nfsio
 94608  227157      0      0  3     0x14280  nfsidl        nfsio
 76952  276265      0      0  3     0x14280  nfsidl        nfsio
 71138  126853      0      0  3     0x14280  nfsidl        nfsio
 50997  288822      0      0  3     0x14280  nfsidl        nfsio
 74855  149744      0      0  3     0x14280  nfsidl        nfsio
 46567   14913      0      0  3     0x14280  nfsidl        nfsio
  2931  380616      0      0  3     0x14280  nfsidl        nfsio
 72384  443616      0      0  3     0x14280  nfsidl        nfsio
 15675  308528      0      0  3     0x14280  nfsidl        nfsio
 18265  456957      0      0  3     0x14280  nfsidl        nfsio
 72370  150300      0      0  3     0x14280  nfsidl        nfsio
 11554  289647      0      0  3     0x14280  nfsidl        nfsio
 85197  434449      0      0  3     0x14200  bored         sosplice
   514  232724   5314      0  3        0x82  piperd        syz-executor.5
  5314  408653  27427      0  3        0x82  thrsleep      syz-fuzzer
  5314  494471  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314  358375  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  111794  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314   58024  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  280871  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314  348432  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314  153368  27427      0  3   0x4000082  kqread        syz-fuzzer
  5314   64910  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314  269586  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  357685  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  134210  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  233055  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  303808  27427      0  3   0x4000082  thrsleep      syz-fuzzer
  5314  341280  27427      0  3   0x4000082  wait          syz-fuzzer
  5314  466871  27427      0  3   0x4000082  wait          syz-fuzzer
 27427  484719  40510      0  3    0x10008a  sigsusp       ksh
 40510  228683  90371      0  3        0x9a  kqread        sshd
 90371  498047      1      0  3        0x88  kqread        sshd
 16503   22518  99365     74  3   0x1100092  bpf           pflogd
 99365  248731      1      0  3        0x80  netio         pflogd
   800  311680  81153     73  3   0x1100090  kqread        syslogd
 81153  338623      1      0  3    0x100082  netio         syslogd
 39832   91735      1      0  3    0x100080  kqread        resolvd
  8635  415004  78770     77  3    0x100092  kqread        dhcpleased
 85644  502222  78770     77  3    0x100092  kqread        dhcpleased
 78770  395116      1      0  3        0x80  kqread        dhcpleased
 56046  500478      0      0  3     0x14200  bored         smr
  5485  501684      0      0  3     0x14200  pgzero        zerothread
 46931  199322      0      0  3     0x14200  aiodoned      aiodoned
 52464  420356      0      0  3     0x14200  syncer        update
  8985  123384      0      0  3     0x14200  cleaner       cleaner
*64335  274994      0      0  7     0x14200                reaper
 75983   18406      0      0  3     0x14200  pgdaemon      pagedaemon
 75875  179469      0      0  3     0x14200  bored         viomb
 78647  438351      0      0  3  0x40014200  acpi0         acpi0
 41774  102161      0      0  3  0x40014200                idle1
 71476  166161      0      0  3     0x14200  bored         softnet
 61864  178550      0      0  3     0x14200  bored         softnet
 32812   50956      0      0  3     0x14200  bored         softnet
 37450  428860      0      0  3     0x14200  bored         softnet
 74780  165151      0      0  3     0x14200  bored         systqmp
 92650  202826      0      0  3     0x14200  bored         systq
 77752   20117      0      0  3  0x40014200  bored         softclock
 51990  446035      0      0  7  0x40014200                idle0
     1  377721      0      0  3     0x80082  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 37517 (syz-executor.4) thread 0xffff800021334d20 (341164)
shared rwlock vmmaplk r = 0 (0xfffffd8068474600)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5323
#3  uvm_map_pageable+0x11a sys/uvm/uvm_map.c:2293
#4  sys_mlock+0x184 sys/uvm/uvm_mmap.c:834
#5  syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#5  syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#6  Xsyscall+0x128
Process 64335 (reaper) thread 0xffff800021232d28 (274994)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82aea660)
#0  witness_lock+0x44d
#1  kpageflttrap+0x29a sys/arch/amd64/amd64/trap.c:288
#2  kerntrap+0xef sys/arch/amd64/amd64/trap.c:332
#3  alltraps_kern_meltdown+0x7b
#4  uvm_map_teardown+0x1ca dead_entry_push sys/uvm/uvm_map.c:551 [inline]
#4  uvm_map_teardown+0x1ca sys/uvm/uvm_map.c:2579
#5  uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#6  reaper+0x19a sys/kern/kern_exit.c:448
#7  proc_trampoline+0x1c
exclusive rwlock vmmaplk r = 0 (0xfffffd8074244778)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5323
#3  uvm_map_teardown+0x84 sys/uvm/uvm_map.c:2546
#4  uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#5  reaper+0x19a sys/kern/kern_exit.c:448
#6  proc_trampoline+0x1c
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10248   6512K    8092K  78643K     18012        0
            pcb    13     18K      21K  78643K      1383        0
         rtable   164      7K       9K  78643K      2126        0
         ifaddr   137     28K      31K  78643K       843        0
         sysctl     3      1K       1K  78643K         5        0
       counters    60     35K      37K  78643K       684        0
       ioctlops     0      0K       4K  78643K      2231        0
            iov     0      0K      32K  78643K       916        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1706    107K     107K  78643K      6072        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       5K  78643K        62        0
         VM map     2      1K       1K  78643K         2        0
            sem    20     11K      20K  78643K      2410        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    12     41K      89K  78643K      6867        0
          sigio     0      0K       0K  78643K       183        0
           proc    70     91K     127K  78643K      1583        0
        subproc   104      6K      11K  78643K       541        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K       372        0
       in_multi    56      3K       6K  78643K       777        0
    ether_multi     1      0K       0K  78643K        28        0
            mrt     1      0K       0K  78643K        22        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys   241   1076K    1076K  78643K       241        0
           exec     0      0K       1K  78643K      1615        0
     pfkey data     0      0K       0K  78643K        68        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   401    570K     585K  78643K     50151        0
       UVM aobj   124      7K       7K  78643K       130        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       297        0
            NDP    15      0K       2K  78643K       233        0
           temp   153   4699K   70234K  78643K     70471        0
         kqueue    16     22K      24K  78643K       547        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{1}> 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     1031    0     1028    17    16     1     3     0     8    0
rtentry    112      661    0      594     4     1     3     4     0     8    0
unpcb      144    16022    0    15999   128   124     4    11     0     8    3
syncache   296       62    0       62    18    18     0     1     0     8    0
tcpqe       32      150    0      150    13    13     0     1     0     8    0
tcpcb      776     2935    0     2928    82    79     3    11     0     8    1
arp        120       79    0       65     1     0     1     1     0     8    0
inpcb      368     7421    0     7408   127   123     4    14     0     8    1
nd6         48      144    0      133     1     0     1     1     0     8    0
pkpcb       40        7    0        7     2     2     0     1     0     8    0
kcovpl      48       31    0       23     1     0     1     1     0     8    0
mppekey    1024       2    0        2     1     1     0     1     0     8    0
ppxss      1256     239    0      239    16    16     0     1     0     8    0
pppxif     1704     100    0      100    13    13     0     1     0     8    0
pfstscr     40      132    0      129     2     1     1     1     0     8    0
pffrag     232        4    0        3     3     2     1     1     0   482    0
pffrnode    88        4    0        3     3     2     1     1     0     8    0
pffrent     40       15    0       14     5     4     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
pfanchor   1280     383    0      184    22     2    20    22     0     8    0
pfqueue    264        5    0        5     2     2     0     1     0     8    0
pfstitem    24       30    0       25     2     1     1     1     0     8    0
pfstkey    120      184    0      182     2     1     1     1     0     8    0
pfstate    384       95    0       92     2     1     1     1     0     8    0
rttmr      136        8    0        8     3     3     0     1     0     8    0
art_heap8  4096      10    0        8     8     5     3     3     0     8    1
art_heap4  256     3189    0     2894    37    10    27    29     0     8    0
art_table   32     3199    0     2902     4     0     4     4     0     8    0
art_node    16      658    0      599     1     0     1     1     0     8    0
sysvmsgpl   40       30    0        7     1     0     1     1     0     8    0
semupl     112        3    0        3     2     2     0     1     0     8    0
semapl     112     2397    0     2379     1     0     1     1     0     8    0
shmpl      112      127    0        6     4     0     4     4     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    10644    0     9175    93     0    93    93     0     8    0
ffsino     272    10644    0     9175    99     0    99    99     0     8    0
nchpl      144    21095    0    20592    63    39    24    63     0     8    0
rtmask      32        6    0        6     2     2     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   77211    0    77211     5     4     1     2     0     8    1
percpumem   16      354    0      312     1     0     1     1     0     8    0
vcpupl     2048      36    0        2     5     0     5     5     0     8    0
vmpool     568       38    0        4     3     0     3     3     0     8    0
kstatmem   264      242    0      212     3     0     3     3     0     8    0
scsiplug    72        7    0        7     3     3     0     1     0     8    0
scxspl     216    58420    0    58420    21    20     1     7     0     8    1
plimitpl   152      730    0      713     1     0     1     1     0     8    0
sigapl     424     7153    0     7089    10     2     8     8     0     8    0
futexpl     64    63433    0    63431     3     2     1     1     0     8    0
knotepl    120      647    0        0    10     1     9     9     0     8    0
kqueuepl   216     1699    0     1657    43    40     3     5     0     8    0
pipepl     320     1703    0     1675    57    54     3    13     0     8    0
fdescpl    496     7114    0     7089     5     0     5     5     0     8    0
filepl     152    63036    0    62720   155   137    18    26     0     8    4
lockfpl    104     2181    0     2179     6     5     1     2     0     8    0
lockfspl    48      543    0      541     1     0     1     1     0     8    0
sessionpl  144       50    0       32     1     0     1     1     0     8    0
pgrppl      48       74    0       56     1     0     1     1     0     8    0
ucredpl    104     6183    0     6168     1     0     1     1     0     8    0
zombiepl   144     7090    0     7089     3     2     1     1     0     8    0
processpl  1064    7153    0     7089     5     0     5     5     0     8    0
procpl     672    20830    0    20746    23    14     9    11     0     8    0
srpgc       96       29    0       29    10     9     1     1     0     8    1
sosppl     168       96    0       96     9     9     0     1     0     8    0
sockpl     488    24553    0    24516   683   669    14    38     0     8    8
mcl64k     65536     17    0        0     3     0     3     3     0     8    0
mcl16k     16384     25    0        0     4     1     3     3     0     8    0
mcl12k     12288     25    0        0     2     0     2     2     0     8    0
mcl9k      9216       9    0        0     1     0     1     1     0     8    0
mcl8k      8192      25    0        0     4     1     3     3     0     8    0
mcl4k      4096      18    0        0     3     0     3     3     0     8    0
mcl2k2     2112       7    0        0     1     0     1     1     0     8    0
mcl2k      2048     443    0        0    45    11    34    45     0     8    0
mtagpl      96      392    0        0     9     2     7     9     0     8    0
mbufpl     256     6645    0        0   415     0   415   415     0     8    0
bufpl      288    14338    0     8004   453     0   453   453     0     8    0
anonpl      24  1482387    0  1464771   211    89   122   138     0   186    0
amapchunkpl 152  141890    0   141073    89    50    39    46     0   158    0
amappl16   200    13366    0    12872   104    77    27    39     0     8    0
amappl15   192       11    0       11     1     1     0     1     0     8    0
amappl14   184      224    0      211     2     1     1     2     0     8    0
amappl13   176       23    0       22     1     0     1     1     0     8    0
amappl12   168      694    0      692     1     0     1     1     0     8    0
amappl11   160       54    0       39     1     0     1     1     0     8    0
amappl10   152       57    0       42     1     0     1     1     0     8    0
amappl9    144     1017    0     1016     1     0     1     1     0     8    0
amappl8    136      389    0      309     3     0     3     3     0     8    0
amappl7    128      100    0       79     1     0     1     1     0     8    0
amappl6    120      563    0      546     2     1     1     2     0     8    0
amappl5    112      181    0      169     1     0     1     1     0     8    0
amappl4    104      923    0      891     2     1     1     2     0     8    0
amappl3     96    21397    0    21344     2     0     2     2     0     8    0
amappl2     88     7828    0     7759     3     1     2     3     0     8    0
amappl1     80   165431    0   164697    22     4    18    22     0     8    0
amappl      88    49446    0    49211     8     1     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      129    0        6     3     0     3     3     0     8    0
uaddrrnd    24     7152    0     7093     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     7152    0     7093     1     0     1     1     0     8    0
vmmpekpl   168    61629    0    61544     5     0     5     5     0     8    0
vmmpepl    168   658574    0   656015   257   121   136   148     0   357    0
vmmpepl: pool(0xffffffff82b379a0:vmmpepl): page inconsistency: page 0x0; at page head addr 0xfffffd8074774f90 (p 0xfffffd8074774000)
vmsppl     368     7151    0     7092     7     1     6     6     0     8    0
rwobjpl     56   182996    0   175185   124    10   114   116     0     8    0
pdppl      4096   14311    0    14218   488   384   104   104     0     8   11
pvpl        32  2931988    0  2908739   428   209   219   275     0   265    0
pmappl     248     7151    0     7092     6     1     5     5     0     8    1
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112     1819    0      559    37     0    37    37     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff82934ff0) 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(ffffffff82934ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175
end trace frame: 0x0, count: 10
ddb{0}> trace
x86_ipi_db(ffffffff82934ff0) 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(ffffffff82934ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175
end trace frame: 0x0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at      uvm_map_teardown+0x1ca: movq    $0,0x20(%r12)
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca dead_entry_push sys/uvm/uvm_map.c:551 [inline]
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca sys/uvm/uvm_map.c:2579
uvmspace_free(fffffd8074244760) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff800021232d28) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 12
ddb{1}> trace
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca dead_entry_push sys/uvm/uvm_map.c:551 [inline]
uvm_map_teardown(fffffd8074244760) at uvm_map_teardown+0x1ca sys/uvm/uvm_map.c:2579
uvmspace_free(fffffd8074244760) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff800021232d28) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -3

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-openbsd-multicore 2022/11/14 09:36 openbsd 67a10ba2366d 7ba4d859 .config console log report [disk image] [bsd.gdb] [kernel image] uvm_fault: uvm_map_teardown
* Struck through repros no longer work on HEAD.