syzbot


uvm_fault: mtx_enter_try

Status: upstream: reported on 2025/05/06 23:24
Reported-by: syzbot+672fa7f73ef24ecf094f@syzkaller.appspotmail.com
First crash: 71d, last: 11d

Sample crash report:
uvm_fault(0xfffffd806bfeb7a0, 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
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290
mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261
clockintr_unbind(ffff800001536230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff80000145d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff800038401890) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8067ba9eb0,81,fffffd80097fb5b0,ffff80002f3dc7f8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806cd4b0b8,ffff80002f3dc7f8) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806cd4b0b8,ffff80002f3dc7f8) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002f3dc7f8) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002f3dc7f8,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215
sys_exit(ffff80002f3dc7f8,ffff800038401c00,ffff800038401b50) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800038401c00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038401c00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742
end trace frame: 0xffff800038401c80, 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(0xfffffd806bfeb7a0, 0x20, 0, 1) -> e
ddb{0}> trace
mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290
mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261
clockintr_unbind(ffff800001536230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff80000145d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff800038401890) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8067ba9eb0,81,fffffd80097fb5b0,ffff80002f3dc7f8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806cd4b0b8,ffff80002f3dc7f8) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806cd4b0b8,ffff80002f3dc7f8) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002f3dc7f8) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002f3dc7f8,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215
sys_exit(ffff80002f3dc7f8,ffff800038401c00,ffff800038401b50) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800038401c00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038401c00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7341114a4cc0, count: -15
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff8000384016f0
rbx               0xffffffff829f0480    dtclose
rdx                                0
rcx               0xffff80002f3dc7f8
rax               0xffffffff8383dff0    cpu_info_full_primary+0x1ff0
r8                                 0
r9                                 0
r10               0x9ca1a8ce4a58a377
r11               0xaf2082f45f115fe2
r12                                0
r13               0xffffffff8383dff0    cpu_info_full_primary+0x1ff0
r14                             0x18
r15                                0
rip               0xffffffff83186725    mtx_enter_try+0x65
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff8000384016b0
ss                              0x10
mtx_enter_try+0x65:     movl    0x8(%r14),%r15d
ddb{0}> show proc
PROC (syz-executor) tid=406021 pid=64775 tcnt=0 stat=onproc
    flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
    runpri=32, usrpri=86, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff80002f3dc7f8 scnt=-1 ecnt=1
    forw=0xffffffffffffffff, list=0xffff80002f3dd4c8,0xffff80002f3dca98
    process=0xffff80002a3984f0 user=0xffff8000383fc000, vmspace=0xfffffd806bfeb7a0
    estcpu=36, cpticks=44, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
  8941  396414  52505      0  2           0                syz-executor
  8941  422687  52505      0  2   0x4000000                syz-executor
  8941  204102  52505      0  2   0x4000000                syz-executor
 89905  352771  83152      0  2           0                syz-executor
 89905   40570  83152      0  3   0x4000080  fsleep        syz-executor
 89905  364941  83152      0  3   0x4000080  fsleep        syz-executor
 89905  205293  83152      0  3   0x4000080  fsleep        syz-executor
  3561  392588  58115      0  2         0x2                syz-executor
 88169  124384  58115      0  3        0x82  nanoslp       syz-executor
 63517  136170      1      0  3    0x100083  ttyin         getty
 55874  391878  58115      0  2         0x2                syz-executor
 52461   70692      0      0  3     0x14200  acct          acct
 12929   23017  58115      0  2         0x2                syz-executor
 50517   57414      0      0  3     0x14200  bored         sosplice
 52505  131869  58115      0  3        0x82  nanoslp       syz-executor
 83152  469653  58115      0  3        0x82  nanoslp       syz-executor
 33613  380188  58115      0  2         0x2                syz-executor
 87280  123739  58115      0  3        0x82  nanoslp       syz-executor
 58115   70185  43630      0  2         0x3                syz-executor
 43630  120125  87317      0  3    0x10008a  sigsusp       ksh
 87317  445641  57707      0  3        0x98  kqread        sshd-session
 57707  518733  17548      0  3        0x92  kqread        sshd-session
 17548  366355      1      0  3        0x88  kqread        sshd
 52468  445046   3861     74  3   0x1100092  bpf           pflogd
  3861  324354      1      0  3        0x80  sbwait        pflogd
 64554  237725  25106     73  3   0x1100090  kqread        syslogd
 25106  153871      1      0  3    0x100082  sbwait        syslogd
 48573  153628      1      0  3    0x100080  kqread        resolvd
 91807   24049   4149     77  3    0x100092  kqread        dhcpleased
  6986  171440   4149     77  3    0x100092  kqread        dhcpleased
  4149   17117      1      0  3        0x80  kqread        dhcpleased
 17271   65434      0      0  3     0x14200  bored         smr
 50683  196490      0      0  2     0x14200                zerothread
  4560  461950      0      0  3     0x14200  aiodoned      aiodoned
 52027  286379      0      0  3     0x14200  syncer        update
 54295  414851      0      0  3     0x14200  cleaner       cleaner
 36597  228465      0      0  2     0x14200                reaper
  9571  492724      0      0  3     0x14200  pgdaemon      pagedaemon
 25915   81741      0      0  3     0x14200  bored         viomb
 49317  167825      0      0  3  0x40014200  acpi0         acpi0
 86023    5102      0      0  7  0x40014200                idle1
 56899   52847      0      0  3     0x14200  bored         softnet3
 74895   73445      0      0  3     0x14200  bored         softnet2
 20803  247918      0      0  3     0x14200  bored         softnet1
 61668  288714      0      0  3     0x14200  bored         softnet0
 87939  187382      0      0  3     0x14200  bored         systqmp
 64359  344479      0      0  3     0x14200  bored         systq
 71211  134029      0      0  3     0x14200  tmoslp        softclockmp
 47273  504077      0      0  3  0x40014200  tmoslp        softclock
 31460  290882      0      0  3  0x40014200                idle0
     1   68529      0      0  3     0x80082  wait          init
     0       0     -1      0  3  0x10010200  scheduler     swapper
ddb{0}> show all locks
Process 8941 (syz-executor) thread 0xffff8000ffff2ce0 (422687)
Process 3561 (syz-executor) thread 0xffff80002f3dd4c8 (392588)
Process 55874 (syz-executor) thread 0xffff80002a296f80 (391878)
Process 12929 (syz-executor) thread 0xffff80002a2962b0 (23017)
Process 33613 (syz-executor) thread 0xffff80002a2bbc48 (380188)
Process 36597 (reaper) thread 0xffff8000ffffd1f8 (228465)
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10247  11073K   11938K 166960K     16300        0
            pcb    17     15K      30K 166960K       717        0
         rtable   161     10K      11K 166960K      1290        0
             pf    37     18K      21K 166960K       336        0
         ifaddr    35      6K       8K 166960K       259        0
        ifgroup    49      2K       3K 166960K       369        0
         sysctl     4      1K       9K 166960K        93        0
       counters    66     36K      38K 166960K       576        0
       ioctlops     0      0K       4K 166960K      2167        0
            iov     0      0K      33K 166960K       219        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1491     94K      94K 166960K      4659        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2     60K      68K 166960K        50        0
         VM map     2      1K       1K 166960K         2        0
            sem    24     37K      37K 166960K        65        0
        dirhash    12      2K       3K 166960K        78        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K     110K 166960K      3239        0
          sigio     0      0K       0K 166960K        72        0
           proc    72     91K     116K 166960K      1428        0
        subproc    72      4K       4K 166960K       265        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       370        0
       in_multi    62      4K       7K 166960K       508        0
    ether_multi     1      0K       0K 166960K        56        0
            mrt     1      0K       0K 166960K        19        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   241   1076K    1076K 166960K       241        0
           exec     0      0K       1K 166960K      1098        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         6        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   230    167K     184K 166960K     31273        0
       UVM aobj   148     14K      14K 166960K       155        0
     pinsyscall    42     84K     102K 166960K      4897        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       1K 166960K       186        0
            NDP    11      0K       2K 166960K       170        0
           temp    83   8696K    8952K 166960K    147124        0
         kqueue    13     20K      31K 166960K       596        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      382    0      379     5     4     1     3     0     8    0
rtentry    176      435    0      375     6     0     6     6     0     8    0
unpcb      144     2358    0     2341    22    16     6     6     0     8    5
syncache   336       10    0       10     4     4     0     1     0     8    0
tcpcb      736     1199    0     1195    30    29     1     7     0     8    0
arp        128       73    0       59     1     0     1     1     0     8    0
inpcb      328     4035    0     4028    43    39     4    15     0     8    3
nd6        144       91    0       79     1     0     1     1     0     8    0
pkpcb       40      130    0      130     8     7     1     1     0     8    1
kcovpl      48       29    0       21     1     0     1     1     0     8    0
mppekey    1024       1    0        1     1     1     0     1     0     8    0
ppxss      1192     206    0      205     4     3     1     1     0     8    0
pppxif     1504     120    0      120     7     7     0     2     0     8    0
pffrag     232       26    0       22     1     0     1     1     0   482    0
pffrnode    88       22    0       18     1     0     1     1     0     8    0
pffrent     40       36    0       32     1     0     1     1     0     8    0
pfosfp      40     1429    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1429    0      714    21     0    21    21     0     8    0
pfrktable  1344       2    0        1     1     0     1     1     0     8    0
pftag       88        4    0        2     1     0     1     1     0     8    0
pfqueue    320        1    0        1     1     1     0     1     0     8    0
pfstitem    24      226    0      165     1     0     1     1     0     8    0
pfstkey    128      228    0      166     3     0     3     3     0     8    0
pfstate    384      223    0      165     9     1     8     9     0     8    0
pfrule     1344      73    0       64     2     1     1     2     0     8    0
rttmr      136        3    0        3     3     3     0     1     0     8    0
art_heap8  4096       3    0        0     3     0     3     3     0     8    0
art_heap4  256     1923    0     1669    39    20    19    30     0     8    0
art_table   32     1926    0     1669     4     0     4     4     0     8    0
art_node    16      420    0      369     1     0     1     1     0     8    0
sysvmsgpl   40       14    0        9     1     0     1     1     0     8    0
semupl     112        2    0        2     2     2     0     1     0     8    0
semapl     112       59    0       37     1     0     1     1     0     8    0
shmpl      112      152    0        7     5     0     5     5     0     8    0
dirhash    1024      62    0       45     3     0     3     3     0     8    0
dino2pl    256     7141    0     5597    97     0    97    97     0     8    0
ffsino     288     7141    0     5597   111     0   111   111     0     8    0
nchpl      144    11336    0    10735    64    39    25    64     0     8    0
rtmask      32       12    0       12     5     5     0     1     0     8    0
uvmvnodes   80     5927    0        0   121     0   121   121     0     8    0
vnodes     216     5927    0        0   330     0   330   330     0     8    0
namei      1024   42937    0    42936     5     4     1     3     0     8    0
percpumem   16      303    0      255     1     0     1     1     0     8    0
kstatmem   264      228    0      202     3     0     3     3     0     8    0
acpiwqpl    32        1    0        1     1     0     1     1     1     8    1
scsiplug    72       17    0       17     9     8     1     1     0     8    1
scxspl     216    59623    0    59623    20    19     1     8     1     8    1
plimitpl   152      635    0      618     1     0     1     1     0     8    0
sigapl     424     3525    0     3474     9     2     7     9     0     8    0
knotepl    120      593    0        0    17     0    17    17     0     8    0
kqueuepl   224     1145    0     1136     8     7     1     5     0     8    0
pipepl     336      651    0      624    13    10     3     8     0     8    0
fdescpl    520     3482    0     3451     3     0     3     3     0     8    0
filepl     160    24911    0    24700    41    21    20    20     0     8    8
lockfpl    104     1817    0     1814     4     3     1     2     0     8    0
lockfspl    48      763    0      760     1     0     1     1     0     8    0
sessionpl  144       53    0       44     1     0     1     1     0     8    0
pgrppl      48      240    0      223     1     0     1     1     0     8    0
ucredpl    104     3947    0     3933     1     0     1     1     0     8    0
zombiepl   144     5185    0     5183     1     0     1     1     0     8    0
processpl  1240    3525    0     3474     6     0     6     6     0     8    0
procpl     656     8615    0     8558    10     3     7     8     0     8    0
srpgc       96       30    0       30     7     7     0     1     0     8    0
sosppl     168       16    0       16     9     8     1     1     0     8    1
sockpl     728     7096    0     7069    80    69    11    18     0     8    8
mcl64k     65536      8    0        0     1     0     1     1     0     8    0
mcl16k     16384      1    0        0     1     0     1     1     0     8    0
mcl12k     12288      3    0        0     1     0     1     1     0     8    0
mcl8k      8192       5    0        0     1     0     1     1     0     8    0
mcl4k      4096     118    0        0    15     0    15    15     0     8    0
mcl2k2     2112       2    0        0     1     0     1     1     0     8    0
mcl2k      2048      56    0        0     6     0     6     6     0     8    0
mtagpl      96       98    0        0     3     1     2     3     0     8    0
mbufpl     256     1208    0        0    75     0    75    75     0     8    0
bufpl      280    23403    0    17261   440     0   440   440     0     8    0
anonpl      32    14704    0        0   118     0   118   118     0   246    0
amapchunkpl 152  105657    0   105162    78    51    27    40     0   158    3
amappl16   200     9271    0     9241    96    90     6    28     0     8    0
amappl15   192       79    0       79     2     2     0     1     0     8    0
amappl14   184      169    0      157     1     0     1     1     0     8    0
amappl13   176        8    0        8     2     2     0     1     0     8    0
amappl12   168     4466    0     4437     3     1     2     2     0     8    0
amappl11   160       52    0       38     1     0     1     1     0     8    0
amappl10   152        9    0        9     1     1     0     1     0     8    0
amappl9    144      337    0      337     1     1     0     1     0     8    0
amappl8    136       21    0       17     1     0     1     1     0     8    0
amappl7    128      172    0      160     1     0     1     1     0     8    0
amappl6    120      393    0      389     1     0     1     1     0     8    0
amappl5    112      234    0      223     1     0     1     1     0     8    0
amappl4    104      411    0      390     1     0     1     1     0     8    0
amappl3     96    21594    0    21492     6     2     4     4     0     8    0
amappl2     88     1023    0      958     2     0     2     2     0     8    0
amappl1     80    23225    0    22628    16     0    16    16     0     8    0
amappl      88    29677    0    29521     5     0     5     5     0    92    0
dma65536   65536      1    0        1     1     1     0     1     0     8    0
dma32768   32768      2    0        2     1     1     0     1     0     8    0
dma16384   16384      2    0        2     1     1     0     1     0     8    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma2048    2048      66    0       66     2     2     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        7    0        7     2     2     0     1     0     8    0
dma128     128      258    0      258     6     6     0     1     0     8    0
dma64       64        9    0        9     4     4     0     1     0     8    0
dma32       32        8    0        8     2     2     0     1     0     8    0
dma16       16       21    0       20     1     0     1     1     0     8    0
aobjpl      72      154    0        7     3     0     3     3     0     8    0
uaddrrnd    24     3481    0     3451     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     3481    0     3451     1     0     1     1     0     8    0
vmmpekpl   168    28976    0    28917     4     1     3     4     0     8    0
vmmpepl    168   220049    0   218111   143    43   100   112     0   357    0
vmsppl     480     3481    0     3451     5     0     5     5     0     8    0
rwobjpl     72    61771    0    54756   137     4   133   136     0     8    0
pdppl      4096    6971    0     6902   149    80    69    83     0     8    0
pvpl        32    25776    0        0   208     1   207   207     0   265    0
pmappl     256     3481    0     3451     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      566    0      156    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:290
mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261
clockintr_unbind(ffff800001536230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff80000145d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(31e5f,81,2000,ffff80002f3dc7f8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff800038401890) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8067ba9eb0,81,fffffd80097fb5b0,ffff80002f3dc7f8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806cd4b0b8,ffff80002f3dc7f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806cd4b0b8,ffff80002f3dc7f8) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd806cd4b0b8,ffff80002f3dc7f8) at closef+0x192 sys/kern/kern_descrip.c:1251
fdfree(ffff80002f3dc7f8) at fdfree+0x116 sys/kern/kern_descrip.c:1182
exit1(ffff80002f3dc7f8,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215
sys_exit(ffff80002f3dc7f8,ffff800038401c00,ffff800038401b50) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800038401c00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038401c00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7341114a4cc0, count: -15
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218
sched_idle(ffff8000299ddff0) at sched_idle+0x4d8 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218
sched_idle(ffff8000299ddff0) at sched_idle+0x4d8 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: -5

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/05 23:25 openbsd 0168633b2ab2 4f67c4ae .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
2025/06/27 01:47 openbsd 69432c0dafb3 803ce19b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
2025/06/25 13:35 openbsd 31f40ba00147 26d77996 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
2025/06/25 08:33 openbsd 31f40ba00147 26d77996 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter_try
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.