syzbot


uvm_fault: mtx_enter_try

Status: upstream: reported on 2025/05/06 23:24
Reported-by: syzbot+672fa7f73ef24ecf094f@syzkaller.appspotmail.com
First crash: 48d, last: 35d

Sample crash report:
login: uvm_fault(0xfffffd806bebe5b8, 0x20, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      mtx_enter_try+0x65:     movl    0x8(%r14),%r15d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 365700  72478      0     0x14000      0x200    1  reaper
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff800001422530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003b02b5d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd80697a0488,81,fffffd807f7d32d8,ffff80002a296a60) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806aca0920,ffff80002a296a60) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806aca0920,ffff80002a296a60) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002a296a60) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002a296a60,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a296a60,ffff80003b02b940,ffff80003b02b890) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003b02b940) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003b02b940) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
end trace frame: 0xffff80003b02b9c0, count: 0
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{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xfffffd806bebe5b8, 0x20, 0, 1) -> e
ddb{0}> trace
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff800001422530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003b02b5d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd80697a0488,81,fffffd807f7d32d8,ffff80002a296a60) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806aca0920,ffff80002a296a60) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806aca0920,ffff80002a296a60) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002a296a60) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002a296a60,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a296a60,ffff80003b02b940,ffff80003b02b890) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003b02b940) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003b02b940) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7ce075906180, count: -15
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff80003b02b440
rbx               0xffffffff8316be70    dtclose
rdx                                0
rcx               0xffff80002a296a60
rax               0xffffffff83851ff0    cpu_info_full_primary+0x1ff0
r8                               0x8
r9                              0x14
r10               0x3c037098db9609f2
r11               0x80022794a7b791ff
r12                                0
r13               0xffffffff83851ff0    cpu_info_full_primary+0x1ff0
r14                             0x18
r15                                0
rip               0xffffffff819c4cb5    mtx_enter_try+0x65
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff80003b02b400
ss                              0x10
mtx_enter_try+0x65:     movl    0x8(%r14),%r15d
ddb{0}> show proc
PROC (syz-executor) tid=381381 pid=85952 tcnt=0 stat=onproc
    flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
    runpri=32, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff80002a296a60 scnt=-1 ecnt=1
    forw=0xffffffffffffffff, list=0xffff80002a2979c0,0xffff80002a296f90
    process=0xffff80003ac1d7b8 user=0xffff80003b026000, vmspace=0xfffffd806bebe5b8
    estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 98833  433503  28404      0  2           0                syz-executor
 98833  351302  28404      0  3   0x4000080  fsleep        syz-executor
 77995  512460  56881      0  2           0                syz-executor
 77995  319892  56881      0  2   0x4000000                syz-executor
 77995  157388  56881      0  2   0x4000000                syz-executor
 43926   89349  59012     -1  2        0x10                syz-executor
 43926   10873  59012     -1  3   0x4000090  fsleep        syz-executor
 60765  465736  53395      0  3        0x80  nanoslp       syz-executor
 60765  500548  53395      0  3   0x4000080  sbwait        syz-executor
  8307  444303      1      0  3    0x100083  ttyin         getty
 45969  110386      0      0  3     0x14200  acct          acct
 40908  498941      0      0  3     0x14200  bored         sosplice
 28404  210764  99340      0  3        0x82  nanoslp       syz-executor
 94598  400512  99340      0  3        0x82  nanoslp       syz-executor
 59012  269782  99340      0  3        0x82  nanoslp       syz-executor
 53395  131145  99340      0  3        0x82  nanoslp       syz-executor
 56881  122303  99340      0  2         0x2                syz-executor
  7866  385318  99340      0  3        0x82  nanoslp       syz-executor
 87733   92596  99340      0  2         0x2                syz-executor
 73051  270642  99340      0  3        0x82  nanoslp       syz-executor
 99340  484355  36748      0  2         0x2                syz-executor
 36748  172249  44862      0  3    0x10008a  sigsusp       ksh
 44862  444749  26230      0  3        0x98  kqread        sshd-session
 26230  511901   8256      0  3        0x92  kqread        sshd-session
  8256  261557      1      0  3        0x88  kqread        sshd
 30784   89621  44755     74  3   0x1100092  bpf           pflogd
 44755   66222      1      0  3        0x80  sbwait        pflogd
 71798  468094  83575     73  3   0x1100090  kqread        syslogd
 83575  157395      1      0  3    0x100082  sbwait        syslogd
 22507  503609      1      0  3    0x100080  kqread        resolvd
  2207  208666  62654     77  3    0x100092  kqread        dhcpleased
 84233  180700  62654     77  3    0x100092  kqread        dhcpleased
 62654  102891      1      0  3        0x80  kqread        dhcpleased
 14631  385089      0      0  3     0x14200  bored         smr
 53820  199757      0      0  2     0x14200                zerothread
 31506  446035      0      0  3     0x14200  aiodoned      aiodoned
 21048   52772      0      0  3     0x14200  syncer        update
 67360   41415      0      0  3     0x14200  cleaner       cleaner
 72478  365700      0      0  7     0x14200                reaper
 73758  510393      0      0  3     0x14200  pgdaemon      pagedaemon
   278   75009      0      0  3     0x14200  bored         viomb
 40604  123285      0      0  3  0x40014200  acpi0         acpi0
  5755  335672      0      0  3  0x40014200                idle1
 39612  376345      0      0  3     0x14200  bored         softnet3
 58411    9091      0      0  3     0x14200  bored         softnet2
  4997  404120      0      0  3     0x14200  bored         softnet1
 33385  360117      0      0  3     0x14200  bored         softnet0
 56790  428730      0      0  3     0x14200  bored         systqmp
 39879  469500      0      0  3     0x14200  bored         systq
 20096  190899      0      0  3     0x14200  tmoslp        softclockmp
 73950  334098      0      0  3  0x40014200  tmoslp        softclock
 76181  186912      0      0  3  0x40014200                idle0
     1  503628      0      0  3        0x82  wait          init
     0       0     -1      0  3  0x10010200  scheduler     swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex &sched_lock r = 0 (0xffffffff839a9e98)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  mtx_enter_try+0x178 sys/kern/kern_lock.c:-1
#2  mtx_enter+0x60 sys/kern/kern_lock.c:239
#3  wakeup_n+0x54 sys/kern/kern_synch.c:618
#4  uvm_pmr_freepageq+0x3b6 sys/uvm/uvm_pmemrange.c:1389
#5  km_free+0x36f sys/uvm/uvm_km.c:827
#6  uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:291
#7  reaper+0x1cb sys/kern/kern_exit.c:470
#8  proc_trampoline+0x10
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838fc908)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  mtx_enter_try+0x178 sys/kern/kern_lock.c:-1
#2  mtx_enter+0x60 sys/kern/kern_lock.c:239
#3  uvm_pmr_freepageq+0x15c sys/uvm/uvm_pmemrange.c:1371
#4  km_free+0x36f sys/uvm/uvm_km.c:827
#5  uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:291
#6  reaper+0x1cb sys/kern/kern_exit.c:470
#7  proc_trampoline+0x10
Process 60765 (syz-executor) thread 0xffff80003c432548 (500548)
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10225  11062K   11557K 166960K     12309        0
            pcb    17     13K      13K 166960K        98        0
         rtable   186      8K       9K 166960K       421        0
             pf    34     17K      19K 166960K        89        0
         ifaddr    35      5K       7K 166960K        66        0
        ifgroup    49      2K       2K 166960K       102        0
         sysctl     3      1K       9K 166960K         8        0
       counters    66     36K      37K 166960K       124        0
       ioctlops     0      0K       4K 166960K      1546        0
            iov     0      0K      28K 166960K        31        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1402     88K      88K 166960K      1982        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K      13K 166960K        10        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        63        0
        dirhash    12      2K       2K 166960K        27        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K      97K 166960K       605        0
          sigio     1      0K       0K 166960K         7        0
           proc    72     91K     140K 166960K       606        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        97        0
       in_multi    74      5K       7K 166960K       124        0
    ether_multi     1      0K       0K 166960K         7        0
            mrt     2      0K       0K 166960K         8        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   199    890K     890K 166960K       199        0
           exec     0      0K       1K 166960K       446        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         2        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   237    167K     176K 166960K      7513        0
       UVM aobj    12      2K       2K 166960K        13        0
     pinsyscall    42     84K     106K 166960K      1741        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        25        0
            NDP    11      0K       2K 166960K        43        0
           temp    45   8680K    8775K 166960K     24795        0
         kqueue    16     22K      28K 166960K       116        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       26    0        0     1     0     1     1     0     8    0
rtpcb      120       58    0       55     1     0     1     1     0     8    0
rtentry    176      125    0       46     6     0     6     6     0     8    0
unpcb      144      392    0      372     4     1     3     4     0     8    2
syncache   336        5    0        5     2     2     0     1     0     8    0
tcpcb      808      192    0      188     8     0     8     8     0     8    7
arp        128       19    0        5     1     0     1     1     0     8    0
inpcb      384      679    0      668    11     3     8    11     0     8    6
nd6        144       26    0        6     1     0     1     1     0     8    0
pkpcb       40        3    0        3     2     1     1     1     0     8    1
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1192      22    0       21     1     0     1     1     0     8    0
pppxif     1504       3    0        3     3     2     1     1     0     8    1
pffrag     232        3    0        0     1     0     1     1     0   482    0
pffrnode    88        3    0        0     1     0     1     1     0     8    0
pffrent     40        3    0        0     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
pfrktable  1344       1    0        0     1     0     1     1     0     8    0
pftag       88        1    0        0     1     0     1     1     0     8    0
pfstitem    24       51    0        4     1     0     1     1     0     8    0
pfstkey    128       51    0        4     2     0     2     2     0     8    0
pfstate    384       51    0        4     5     0     5     5     0     8    0
pfrule     1344      24    0       16     2     0     2     2     0     8    0
rttmr      136        1    0        1     1     1     0     1     0     8    0
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      560    0      212    30     3    27    30     0     8    3
art_table   32      562    0      212     4     0     4     4     0     8    0
art_node    16      123    0       53     1     0     1     1     0     8    0
sysvmsgpl   40       10    0        6     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112       24    0       14     1     0     1     1     0     8    0
shmpl      112       10    0        1     1     0     1     1     0     8    0
dirhash    1024      27    0       10     3     0     3     3     0     8    0
dino2pl    256     2520    0     1013    96     1    95    96     0     8    0
ffsino     288     2520    0     1013   109     0   109   109     0     8    0
nchpl      144     3342    0     1644    64     0    64    64     0     8    1
rtmask      32        5    0        5     1     0     1     1     0     8    1
uvmvnodes   80     2996    0        0    62     0    62    62     0     8    0
vnodes     216     2996    0        0   167     0   167   167     0     8    0
namei      1024   11240    0    11240     3     2     1     2     0     8    1
percpumem   16       77    0       29     1     0     1     1     0     8    0
kstatmem   264       56    0       32     3     1     2     3     0     8    0
scsiplug    72        4    0        4     1     0     1     1     0     8    1
scxspl     216    10644    0    10644    11     3     8     8     1     8    8
plimitpl   152      112    0       95     1     0     1     1     0     8    0
sigapl     424      922    0      871     7     1     6     7     0     8    0
knotepl    120      551    0        0    17     0    17    17     0     8    0
kqueuepl   224      269    0      259     5     3     2     5     0     8    1
pipepl     336      140    0      113     3     0     3     3     0     8    0
fdescpl    520      901    0      870     3     0     3     3     0     8    0
filepl     160     5032    0     4809    15     2    13    15     0     8    3
lockfpl    104      144    0      142     1     0     1     1     0     8    0
lockfspl    48       60    0       58     1     0     1     1     0     8    0
sessionpl  144       26    0       17     1     0     1     1     0     8    0
pgrppl      48       43    0       26     1     0     1     1     0     8    0
ucredpl    104      698    0      681     1     0     1     1     0     8    0
zombiepl   144      874    0      871     2     1     1     1     0     8    0
processpl  1208     922    0      871     5     0     5     5     0     8    0
procpl     656     1789    0     1733     7     1     6     7     0     8    0
srpgc       96        4    0        4     2     1     1     1     0     8    1
sosppl     168        5    0        5     2     1     1     1     0     8    1
sockpl     728     1153    0     1119    13     3    10    12     0     8    6
mcl64k     65536      5    0        0     1     0     1     1     0     8    0
mcl16k     16384      4    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl8k      8192       5    0        0     1     0     1     1     0     8    0
mcl4k      4096     128    0        0    16     0    16    16     0     8    0
mcl2k      2048      18    0        0     3     0     3     3     0     8    0
mtagpl      96       24    0        0     1     0     1     1     0     8    0
mbufpl     256     1139    0        0    72     0    72    72     0     8    0
bufpl      280     3363    0      126   232     0   232   232     0     8    0
anonpl      32     7576    0        0    61     0    61    61     0   246    0
amapchunkpl 152   23702    0    23158    29     1    28    28     0   158    5
amappl16   200     2894    0     2753    17     8     9    14     0     8    1
amappl15   192       24    0       23     1     0     1     1     0     8    0
amappl14   184      127    0      114     1     0     1     1     0     8    0
amappl13   176        7    0        7     1     1     0     1     0     8    0
amappl12   168     1566    0     1534     4     1     3     3     0     8    0
amappl11   160       49    0       35     1     0     1     1     0     8    0
amappl10   152        3    0        3     1     1     0     1     0     8    0
amappl9    144      245    0      245     1     1     0     1     0     8    0
amappl8    136       29    0       26     1     0     1     1     0     8    0
amappl7    128      133    0      121     1     0     1     1     0     8    0
amappl6    120      197    0      194     1     0     1     1     0     8    0
amappl5    112      123    0      113     1     0     1     1     0     8    0
amappl4    104      335    0      316     1     0     1     1     0     8    0
amappl3     96     4580    0     4471     5     1     4     4     0     8    0
amappl2     88      674    0      610     2     0     2     2     0     8    0
amappl1     80    10582    0     9983    16     2    14    15     0     8    0
amappl      88     6713    0     6548     5     0     5     5     0    92    0
dma8192    8192       2    0        2     1     1     0     1     0     8    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      255    0      255     2     2     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       12    0        1     1     0     1     1     0     8    0
uaddrrnd    24      901    0      870     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      901    0      870     1     0     1     1     0     8    0
vmmpekpl   168     9155    0     9115     3     0     3     3     0     8    0
vmmpepl    168    62769    0    60689   102     4    98    99     0   357    4
vmsppl     480      900    0      870     5     0     5     5     0     8    1
rwobjpl     72    22039    0    17995    75     1    74    74     0     8    0
pdppl      4096    1809    0     1740   111    40    71    87     0     8    2
pvpl        32    13747    0        0   113     1   112   112     0   265    1
pmappl     256      900    0      870     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      468    0       51    13     0    13    13     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:265
mtx_enter(18) at mtx_enter+0x60 sys/kern/kern_lock.c:239
clockintr_unbind(ffff800001422530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a296a60) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003b02b5d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd80697a0488,81,fffffd807f7d32d8,ffff80002a296a60) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806aca0920,ffff80002a296a60) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806aca0920,ffff80002a296a60) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806aca0920,ffff80002a296a60) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002a296a60) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002a296a60,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214
sys_exit(ffff80002a296a60,ffff80003b02b940,ffff80003b02b890) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003b02b940) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003b02b940) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7ce075906180, count: -15
ddb{0}> machine ddbcpu 1

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/20 05:22 openbsd 03d4002980cf b84f0537 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
2025/05/06 23:24 openbsd 7a1ed1390929 350f4ffc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
* Struck through repros no longer work on HEAD.