syzbot


uvm_fault: x86_ipi_db (4)

Status: closed as invalid on 2021/08/08 05:33
Reported-by: syzbot+9121b712c5668db4b64a@syzkaller.appspotmail.com
First crash: 989d, last: 989d
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: x86_ipi_db (3) 4 1154d 1171d 0/3 auto-closed as invalid on 2021/05/25 04:20
openbsd uvm_fault: x86_ipi_db (6) 1 970d 970d 0/3 closed as invalid on 2021/08/26 17:38
openbsd uvm_fault: x86_ipi_db (2) 1 1204d 1204d 0/3 closed as invalid on 2021/01/29 06:54
openbsd uvm_fault: x86_ipi_db (8) 179 3h41m 794d 0/3 upstream: reported on 2022/02/19 02:28
openbsd uvm_fault: x86_ipi_db (5) 1 975d 975d 0/3 closed as invalid on 2021/08/23 05:23
openbsd uvm_fault: x86_ipi_db (7) 4 844d 844d 3/3 fixed on 2021/12/30 22:14
openbsd uvm_fault: x86_ipi_db 1 1207d 1207d 0/3 closed as invalid on 2021/01/03 08:45

Sample crash report:
*cpu1: uvm_fault(0xffffffff8287ed30, 0xffff800020cdf004, 0, 1) -> d
ddb{0}> trace
proc_trampoline() at proc_trampoline+0xdc
end of kernel
end trace frame: 0xc007a43ab0, count: -1
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff800021263a70
rbx                                0
rdx                             0x8b
rcx                              0x2
rax                             0x2a
r8                0xffffffff820fdac4    kprintf+0x144
r9                               0x1
r10               0x75402d0992e44e02
r11               0xd00100cf96220bf3
r12                                0
r13                                0
r14                                0
r15                                0
rip               0xffffffff812cc50c    proc_trampoline+0xdc
cs                               0x8
rflags                         0x246
rsp               0xffff8000212639f0
ss                                 0
proc_trampoline+0xdc:   movl    $0,%gs:0x538
ddb{0}> show proc
PROC (syz-fuzzer) pid=181610 stat=onproc
    flags process=2<EXEC> proc=4000000<THREAD>
    pri=24, usrpri=50, nice=20
    forw=0xffffffffffffffff, list=0xffff800021257a40,0xffff800021257270
    process=0xffff80002120b250 user=0xffff80002125e000, vmspace=0xfffffd806f199008
    estcpu=0, cpticks=1, pctcpu=0.0
    user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 87991  126616  97052      0  7         0x2                syz-executor.1
 59466  487348  97052      0  3        0x82  piperd        syz-executor.0
 97052  507577  38948      0  3        0x82  thrsleep      syz-fuzzer
 97052  492846  38948      0  3   0x4000082  nanoslp       syz-fuzzer
 97052  163059  38948      0  3   0x4000082  nanoslp       syz-fuzzer
 97052  393473  38948      0  3   0x4000082  thrsleep      syz-fuzzer
 97052   20834  38948      0  3   0x4000082  thrsleep      syz-fuzzer
*97052  181610  38948      0  7   0x4000002                syz-fuzzer
 97052   90659  38948      0  3   0x4000082  thrsleep      syz-fuzzer
 97052  400814  38948      0  3   0x4000082  thrsleep      syz-fuzzer
 38948  521345  74859      0  3    0x10008a  sigsusp       ksh
 74859  333870  21912      0  3        0x9a  select        sshd
 95101  143419      1      0  3    0x100083  ttyin         getty
 21912  123225      1      0  3        0x88  select        sshd
 68080  179262  44525     74  3    0x100092  bpf           pflogd
 44525  236425      1      0  3        0x80  netio         pflogd
   943  203251  24857     73  3    0x100010  biowait       syslogd
 24857  252452      1      0  3    0x100082  netio         syslogd
 43748   62879      1      0  3    0x100080  kqread        resolvd
 32939  300225  30555     77  3    0x100092  kqread        dhcpleased
 65529  220786  30555     77  3    0x100092  kqread        dhcpleased
 30555  371845      1      0  3        0x80  kqread        dhcpleased
 10055  100761      0      0  3     0x14200  bored         smr
 31413   86588      0      0  3     0x14200  pgzero        zerothread
 26938  443056      0      0  3     0x14200  aiodoned      aiodoned
 43657  484738      0      0  3     0x14200  syncer        update
 65286  150470      0      0  3     0x14200  cleaner       cleaner
 70431  509955      0      0  3     0x14200  reaper        reaper
 29348  341615      0      0  3     0x14200  pgdaemon      pagedaemon
 66207   64138      0      0  3     0x14200  bored         crynlk
 75528  239053      0      0  3     0x14200  bored         crypto
 28263  261671      0      0  3     0x14200  bored         viomb
  5378  364045      0      0  3  0x40014200  acpi0         acpi0
 76693  363935      0      0  3  0x40014200                idle1
 53918  453206      0      0  3     0x14200  bored         softnet
 88255  186518      0      0  3     0x14200  bored         systqmp
 85923  242117      0      0  3     0x14200  bored         systq
  6443  319521      0      0  3  0x40014200  bored         softclock
 46420  504678      0      0  3  0x40014200                idle0
     1  457188      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex pvpl r = 0 (0xffffffff82845910)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  pool_put+0x8a sys/kern/subr_pool.c:799
#4  pmap_enter+0x7f6 sys/arch/amd64/amd64/pmap.c:2851
#5  uvm_fault_upper+0x2ae sys/uvm/uvm_fault.c:1033
#6  uvm_fault+0x164 sys/uvm/uvm_fault.c:609
#7  upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#8  usertrap+0x214 sys/arch/amd64/amd64/trap.c:403
#9  recall_trap+0x8
Process 87991 (syz-executor.1) thread 0xffff8000212562a0 (126616)
exclusive rrwlock inode r = 0 (0xfffffd80653f0b40)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vfs_lookup+0xdd sys/kern/vfs_lookup.c:413
#6  namei+0x55a sys/kern/vfs_lookup.c:245
#7  dounlinkat+0x99 sys/kern/vfs_syscalls.c:1854
#8  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#9  Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828cdd58)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  syscall+0x42d mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1  syscall+0x42d sys/arch/amd64/amd64/trap.c:587
#2  Xsyscall+0x128
Process 97052 (syz-fuzzer) thread 0xffff8000212577a0 (181610)
exclusive rwlock amaplk r = 0 (0xfffffd8068901590)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  uvm_fault_check+0x3d2 sys/uvm/uvm_fault.c:774
#2  uvm_fault+0x102 sys/uvm/uvm_fault.c:601
#3  upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#4  usertrap+0x214 sys/arch/amd64/amd64/trap.c:403
#5  recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd806f199020)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1701
#2  uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674
#3  uvm_fault+0x102 sys/uvm/uvm_fault.c:601
#4  upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#5  usertrap+0x214 sys/arch/amd64/amd64/trap.c:403
#6  recall_trap+0x8
exclusive mutex pvpl r = 0 (0xffffffff82845910)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  pool_put+0x8a sys/kern/subr_pool.c:799
#4  pmap_enter+0x7f6 sys/arch/amd64/amd64/pmap.c:2851
#5  uvm_fault_upper+0x2ae sys/uvm/uvm_fault.c:1033
#6  uvm_fault+0x164 sys/uvm/uvm_fault.c:609
#7  upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#8  usertrap+0x214 sys/arch/amd64/amd64/trap.c:403
#9  recall_trap+0x8
Process 943 (syslogd) thread 0xffff800021193268 (203251)
exclusive rrwlock inode r = 0 (0xfffffd806e61f2c0)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  sys_fsync+0x113 sys/kern/vfs_syscalls.c:2893
#6  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#7  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10123   6429K    6558K  78643K     11651        0
            pcb    13      8K       8K  78643K        21        0
         rtable   106      3K       3K  78643K       232        0
         ifaddr    44     10K      10K  78643K        60        0
       counters    44     34K      34K  78643K        48        0
       ioctlops     0      0K       4K  78643K      1489        0
            iov     0      0K       0K  78643K         8        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         6        0
         vnodes  1218     77K      77K  78643K      1266        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       5K  78643K        10        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      1K       1K  78643K        64        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12598        0
      file desc     4      9K      25K  78643K     22996        0
           proc    69     87K     111K  78643K       407        0
        subproc    32      2K       2K  78643K        68        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
       in_multi    33      2K       2K  78643K        55        0
    ether_multi     1      0K       0K  78643K         1        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    37    175K     175K  78643K        37        0
           exec     0      0K       2K  78643K       452        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   341     40K      41K  78643K    273076        0
       UVM aobj     7      2K       2K  78643K         7        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP     8      0K       0K  78643K        16        0
           temp    71   4197K    4261K  78643K     48532        0
         kqueue    10     14K      14K  78643K        10        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
plcache    128       22    0        0     1     0     1     1     0     8    0
rtpcb      120       29    0       26     1     0     1     1     0     8    0
rtentry    112       67    0       23     2     0     2     2     0     8    0
unpcb      120    12449    0    12434     1     0     1     1     0     8    0
syncache   296        4    0        4     1     1     0     1     0     8    0
tcpqe       32      749    0      749     3     3     0     2     0     8    0
tcpcb      736       19    0       15     1     0     1     1     0     8    0
arp        120       10    0        4     1     0     1     1     0     8    0
inpcb      304       69    0       62     1     0     1     1     0     8    0
nd6         48       12    0        6     1     0     1     1     0     8    0
kcovpl      48        4    0        2     1     0     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
pfstitem    24       15    0       11     1     0     1     1     0     8    0
pfstkey    112       15    0       11     1     0     1     1     0     8    0
pfstate    320       15    0       11     1     0     1     1     0     8    0
pfrule     1360      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      276    0       88    12     0    12    12     0     8    0
art_table   32      277    0       88     2     0     2     2     0     8    0
art_node    16       66    0       26     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112       62    0       52     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    28256    0    26840    89     0    89    89     0     8    0
ffsino     272    28256    0    26840    95     0    95    95     0     8    0
nchpl      144    55893    0    54284    61     0    61    61     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  119328    0   119327     2     1     1     1     0     8    0
percpumem   16       36    0        2     1     0     1     1     0     8    0
scxspl     216   154565    0   154564    10     9     1     8     0     8    0
plimitpl   152       19    0       10     1     0     1     1     0     8    0
sigapl     424    23240    0    23207     6     2     4     5     0     8    0
futexpl     56   104923    0   104923     1     0     1     1     0     8    1
knotepl    112       58    0        0     2     0     2     2     0     8    0
kqueuepl   216    33915    0    33909     8     7     1     2     0     8    0
pipepl     336      102    0       92     4     2     2     2     0     8    1
fdescpl    496    23224    0    23207     3     0     3     3     0     8    0
filepl     152    84792    0    84680    15    10     5     6     0     8    0
lockfpl    104       49    0       47     1     0     1     1     0     8    0
lockfspl    48       22    0       20     1     0     1     1     0     8    0
sessionpl  144       20    0        9     1     0     1     1     0     8    0
pgrppl      48       20    0        9     1     0     1     1     0     8    0
ucredpl     96     1886    0     1873     1     0     1     1     0     8    0
zombiepl   144    23207    0    23207     2     1     1     1     0     8    1
processpl  1072   23240    0    23207     3     0     3     3     0     8    0
procpl     672    46762    0    46722     9     5     4     5     0     8    0
sockpl     480    12547    0    12522    13     9     4     5     0     8    0
mcl64k     65536      3    0        0     1     0     1     1     0     8    0
mcl16k     16384      1    0        0     1     0     1     1     0     8    0
mcl12k     12288      2    0        0     1     0     1     1     0     8    0
mcl8k      8192       6    0        0     1     0     1     1     0     8    0
mcl4k      4096      21    0        0     3     0     3     3     0     8    0
mcl2k2     2112       9    0        0     1     0     1     1     0     8    0
mcl2k      2048     338    0        0    34     5    29    34     0     8    0
mtagpl      96        3    0        0     1     0     1     1     0     8    0
mbufpl     256      733    0        0    21     0    21    21     0     8    0
bufpl      280    26484    0    20148   453     0   453   453     0     8    0
anonpl      24  5697011    0  5665963   254    13   241   241     0   186    2
amapchunkpl 152  636271    0   634913    69    11    58    58     0   158    2
amappl16   200    33376    0    32253    62     2    60    60     0     8    0
amappl15   192    11253    0    11252     1     0     1     1     0     8    0
amappl14   184        4    0        3     2     1     1     1     0     8    0
amappl13   176       42    0       41     1     0     1     1     0     8    0
amappl12   168       20    0       14     1     0     1     1     0     8    0
amappl11   160       56    0       41     1     0     1     1     0     8    0
amappl10   152       47    0       38     1     0     1     1     0     8    0
amappl9    144    11700    0    11697     1     0     1     1     0     8    0
amappl8    136      658    0      612     2     0     2     2     0     8    0
amappl7    128      315    0      301     1     0     1     1     0     8    0
amappl6    120    11605    0    11593     1     0     1     1     0     8    0
amappl5    112    23118    0    23098     1     0     1     1     0     8    0
amappl4    104      615    0      590     1     0     1     1     0     8    0
amappl3     96       54    0       50     1     0     1     1     0     8    0
amappl2     88      511    0      457     2     0     2     2     0     8    0
amappl1     80   384725    0   384298    14     4    10    13     0     8    0
amappl      88   268835    0   268566     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      64        6    0        0     1     0     1     1     0     8    0
uaddrrnd    24    23224    0    23207     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24    23224    0    23207     1     0     1     1     0     8    0
vmmpekpl   168    99761    0    99738     2     0     2     2     0     8    0
vmmpepl    168  2565833    0  2563349   279   108   171   171     0   357   52
vmsppl     368    23223    0    23207     2     0     2     2     0     8    0
rwobjpl     56   420004    0   418003    36     6    30    30     0     8    1
pdppl      4096   46456    0    46414    74    28    46    50     0     8    4
pvpl        32 11315552    0 11281411   392    39   353   353     0   265    4
pmappl     224    23223    0    23207     2     0     2     2     0     8    0
extentpl    40       58    0       40     1     0     1     1     0     8    0
phpool     112      349    0       39    10     0    10    10     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
proc_trampoline() at proc_trampoline+0xdc
end of kernel
end trace frame: 0xc007a43ab0, count: -1
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:353
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x86_bus_space_io_write_1(3f8,0,30) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,30) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,30) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(30) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(30) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x1f19 sys/kern/subr_prf.c:1068
db_printf(ffffffff824f54a2) at db_printf+0x85 sys/kern/subr_prf.c:502
fault(ffffffff824a9a3b) at fault+0x95 sys/arch/amd64/amd64/trap.c:154
kpageflttrap(ffff80002229aeb0,ffff800020cdf004) at kpageflttrap+0x246 sys/arch/amd64/amd64/trap.c:275
kerntrap(ffff80002229aeb0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
ufs_lookup() at ufs_lookup+0x4ea sys/ufs/ufs/ufs_lookup.c:281
end trace frame: 0xffff80002229b0f0, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:353
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x86_bus_space_io_write_1(3f8,0,30) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,30) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,30) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(30) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(30) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x1f19 sys/kern/subr_prf.c:1068
db_printf(ffffffff824f54a2) at db_printf+0x85 sys/kern/subr_prf.c:502
fault(ffffffff824a9a3b) at fault+0x95 sys/arch/amd64/amd64/trap.c:154
kpageflttrap(ffff80002229aeb0,ffff800020cdf004) at kpageflttrap+0x246 sys/arch/amd64/amd64/trap.c:275
kerntrap(ffff80002229aeb0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
ufs_lookup() at ufs_lookup+0x4ea sys/ufs/ufs/ufs_lookup.c:281
VOP_LOOKUP(fffffd80784742b8,ffff80002229b2b0,ffff80002229b2e8) at VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:88
vfs_lookup(ffff80002229b280) at vfs_lookup+0x737 sys/kern/vfs_lookup.c:561
namei(ffff80002229b280) at namei+0x55a sys/kern/vfs_lookup.c:245
dounlinkat(ffff8000212562a0,ffffff9c,7f7ffffd0cd0,8) at dounlinkat+0x99 sys/kern/vfs_syscalls.c:1854
syscall(ffff80002229b460) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002229b460) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd0cc0, count: -20

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/08/08 02:57 openbsd 3395d9ad18ab 6972b106 .config console log report ci-openbsd-multicore uvm_fault: x86_ipi_db
* Struck through repros no longer work on HEAD.