syzbot


uvm_fault (3)

Status: upstream: reported on 2024/04/22 10:44
Reported-by: syzbot+6330231cfbe8b8bb3bf8@syzkaller.appspotmail.com
First crash: 54d, last: 54d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault (2) syz 1 1463d 1463d 3/3 fixed on 2020/08/05 06:16
openbsd uvm_fault 10 1703d 1718d 0/3 auto-closed as invalid on 2020/01/15 14:32

Sample crash report:
uvm_fault(0xffffffff82db48e0, 0xfffffd806b46a2e0, 0, 4) -> e
kernel: page fault trap, code=11
Stopped at      0xfffffd806b46a2e0:     lock std
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
  39510  92272      0   0x8000002          0    1  syz-executor.7
* 62781  31590      0     0x14000      0x200    0K reaper
fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0
softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696
softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749
softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211
uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: 3
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(0xffffffff82db48e0, 0xfffffd806b46a2e0, 0, 4) -> e
ddb{0}> trace
fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0
softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696
softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749
softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211
uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: -12
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff80002a1555a0
rbx                                0
rdx                                0
rcx               0xffff80002a149488
rax                              0x9
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x2b89d50ffd88b184
r11               0xfffffd806b46a2e0
r12                                0
r13               0xffffffff82d1de30    timeout_spinlock_obj
r14                                0
r15               0xfffffd806b46a2e0
rip               0xfffffd806b46a2e0
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff80002a155558
ss                              0x10
0xfffffd806b46a2e0:     lock std
ddb{0}> show proc
PROC (reaper) tid=62781 pid=31590 tcnt=1 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
    runpri=86, usrpri=86, slppri=4, nice=20
    wchan=0x0, wmesg=, ps_single=0x0
    forw=0xffffffffffffffff, list=0xffff80002a1499a8,0xffff80002a149208
    process=0xffff80002a15b9b8 user=0xffff80002a150000, vmspace=0xffffffff82d61808
    estcpu=36, cpticks=74, pctcpu=8.26, user=0, sys=30, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
  8683  250425  57575      0  2   0x8000000                syz-executor.5
  8683    7815  57575      0  3   0xc000080  bpf           syz-executor.5
 70461   50505      1      0  3  0x18100083  ttyin         getty
 57575  134413  99344      0  2   0x8000482                syz-executor.5
 74973  497149  99344      0  2   0x8000482                syz-executor.6
 14197  363234      0      0  3     0x14200  acct          acct
 17625  169136  99344      0  3   0x8000082  wait          syz-executor.2
 82734  344127  99344      0  2   0x8000482                syz-executor.4
 92272   39510  99344      0  7   0x8000002                syz-executor.7
 74314  495060  99344      0  2   0x8000002                syz-executor.0
 97304  487107  99344      0  3   0x8000082  wait          syz-executor.1
 96716  111937  99344      0  2   0x8000482                syz-executor.3
 79496  436349      0      0  3     0x14200  bored         sosplice
 99344  116088  44686      0  3  0x1a000082  thrsleep      syz-fuzzer
 99344  421387  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344   24983  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  243780  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344  483114  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344  456434  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  423768  44686      0  3  0x1e000082  kqread        syz-fuzzer
 99344  521004  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  365111  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344  367889  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  420607  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344  344735  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  365428  44686      0  3  0x1e000082  thrsleep      syz-fuzzer
 99344  316613  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  344460  44686      0  3  0x1e000082  wait          syz-fuzzer
 99344  237270  44686      0  3  0x1e000082  wait          syz-fuzzer
 44686  175673  29731      0  3   0x810008a  sigsusp       ksh
 29731  414993  88409      0  3  0x1800009a  kqread        sshd
 88409  235049      1      0  3  0x18000088  kqread        sshd
 84376  279182  30492     74  3  0x19100092  bpf           pflogd
 30492  101676      1      0  3  0x18000080  sbwait        pflogd
 66978  346127  87010     73  2  0x19100010                syslogd
 87010  103830      1      0  3  0x18100082  sbwait        syslogd
 35436  516417      1      0  3  0x18100080  kqread        resolvd
 15587  307551  57937     77  3  0x18100092  kqread        dhcpleased
  9745   31818  57937     77  3  0x18100092  kqread        dhcpleased
 57937  301642      1      0  3  0x18000080  kqread        dhcpleased
 73565  131042      0      0  2     0x14200                smr
 92200  103649      0      0  2     0x14200                zerothread
 54904  121441      0      0  3     0x14200  aiodoned      aiodoned
 28349   47769      0      0  3     0x14200  syncer        update
 25649  308875      0      0  3     0x14200  cleaner       cleaner
*31590   62781      0      0  7     0x14200                reaper
 38342  518780      0      0  3     0x14200  pgdaemon      pagedaemon
 16294  380296      0      0  3     0x14200  bored         viomb
 28780  197700      0      0  3  0x40014200  acpi0         acpi0
  5861  335869      0      0  3  0x40014200                idle1
  9409   89153      0      0  3     0x14200  bored         softnet3
 27890  488460      0      0  3     0x14200  bored         softnet2
 29128   79385      0      0  3     0x14200  bored         softnet1
  1666  210394      0      0  3     0x14200  bored         softnet0
 58824  400493      0      0  3     0x14200  bored         systqmp
 36933  385863      0      0  3     0x14200  bored         systq
 94636  157732      0      0  3     0x14200  tmoslp        softclockmp
 91606  266975      0      0  2  0x40014200                softclock
 26835   25477      0      0  3  0x40014200                idle0
     1  422282      0      0  3   0x8080082  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
CPU 0:
shared mutex timeout r = 0 (0xffffffff82d1de30)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1187
#1  timeout_run+0xbb sys/kern/kern_timeout.c:662
#2  softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696
#3  softclock+0x150 sys/kern/kern_timeout.c:749
#4  softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90
#5  Xsoftclock+0x27
#6  Xspllower+0x1d
#7  printf+0x88 sys/kern/subr_prf.c:532
#8  uvm_fault_unwire_locked+0x211
#9  uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894
#10 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#10 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
#11 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
#12 reaper+0x197 sys/kern/kern_exit.c:463
#13 proc_trampoline+0x10
Process 66978 (syslogd) thread 0xffff8000ffffdc40 (346127)
Process 31590 (reaper) thread 0xffff80002a149488 (62781)
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10243   6589K    7730K 166960K     20495        0
            pcb    17     16K      18K 166960K      1626        0
         rtable   255      9K      10K 166960K      2156        0
             pf    41     11K      11K 166960K       346        0
         ifaddr    49     17K      18K 166960K       338        0
        ifgroup    72      3K       3K 166960K       578        0
         sysctl     4      1K       3K 166960K        21        0
       counters    72     37K      37K 166960K       360        0
       ioctlops     0      0K       4K 166960K      2166        0
            iov     0      0K      26K 166960K       843        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1503     94K      95K 166960K      8361        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K       166        0
         VM map     2      1K       1K 166960K         2        0
            sem    15      1K       1K 166960K        20        0
        dirhash    12      2K       2K 166960K        90        0
           ACPI  1697    195K     286K 166960K     12548        0
      file desc    11     37K      85K 166960K      9970        0
          sigio     0      0K       0K 166960K       283        0
           proc    73     91K     128K 166960K      2682        0
        subproc   104      6K       7K 166960K       663        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K      2709        0
       in_multi    97      7K       7K 166960K       958        0
    ether_multi     1      0K       0K 166960K        63        0
            mrt     2      0K       0K 166960K        30        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   259   1155K    1155K 166960K       259        0
           exec     0      0K       1K 166960K      2350        0
     pfkey data     0      0K       0K 166960K        13        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   360    224K     224K 166960K     92329        0
       UVM aobj   120     11K      11K 166960K       124        0
     pinsyscall    35     70K     108K 166960K     12330        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       1K 166960K      1027        0
            NDP    16      0K       2K 166960K       261        0
           temp    77   6820K    7316K 166960K    245451        0
         kqueue    12     18K      30K 166960K      1279        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       24    0        0     1     0     1     1     0     8    0
rtpcb      120     1222    0     1219     8     7     1     3     0     8    0
rtentry    112      699    0      586     4     0     4     4     0     8    0
unpcb      144     9257    0     9242    65    63     2     9     0     8    1
syncache   336        4    0        4     1     1     0     1     0     8    0
tcpqe       32       41    0       41     3     3     0     1     0     8    0
tcpcb      808     4352    0     4347    95    87     8     9     0     8    7
arp        120      135    0      115     1     0     1     1     0     8    0
inpcb      384    14274    0    14261   151   142     9    18     0     8    7
nd6        136      189    0      158     3     1     2     2     0     8    0
pkpcb       40       47    0       47    18    17     1     1     0     8    1
kcovpl      48       50    0       42     1     0     1     1     0     8    0
ppxss      1168      44    0       44    19    18     1     1     0     8    1
pffrag     232      134    0      130     4     3     1     2     0   482    0
pffrnode    88      134    0      130     2     1     1     1     0     8    0
pffrent     40      343    0      339     2     1     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      519    0      442     1     0     1     1     0     8    0
pfstkey    128      519    0      442     3     0     3     3     0     8    0
pfstate    376      519    0      442    12     3     9     9     0     8    0
pfrule     1344      21    0       16     2     1     1     2     0     8    0
rttmr      136        1    0        1     1     1     0     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256     2597    0     2112    46    15    31    33     0     8    0
art_table   32     2598    0     2112     5     1     4     5     0     8    0
art_node    16      683    0      581     1     0     1     1     0     8    0
sysvmsgpl   40       14    0        7     1     0     1     1     0     8    0
semupl     112        4    0        4     1     1     0     1     0     8    0
semapl     112       14    0        1     1     0     1     1     0     8    0
shmpl      112      121    0        4     4     0     4     4     0     8    0
dirhash    1024      69    0       52     3     0     3     3     0     8    0
dino2pl    256    18037    0    16441   101     0   101   101     0     8    0
ffsino     272    18037    0    16441   108     1   107   107     0     8    0
nchpl      144    32715    0    30980    67     0    67    67     0     8    0
uvmvnodes   80     9954    0        0   204     0   204   204     0     8    0
vnodes     216     9954    0        0   553     0   553   553     0     8    0
namei      1024  118071    0   118071     9     8     1     2     0     8    1
percpumem   16      194    0      144     1     0     1     1     0     8    0
vcpupl     3904      31    0        2     4     0     4     4     0     8    0
vmpool     696       53    0       24     5     2     3     3     0     8    0
kstatmem   264      320    0      288     3     0     3     3     0     8    0
scsiplug    72       19    0       19    10    10     0     1     0     8    0
scxspl     216   132677    0   132677    45    42     3     8     1     8    3
plimitpl   152     1864    0     1847     1     0     1     1     0     8    0
sigapl     424    10249    0    10198    10     4     6     9     0     8    0
futexpl     64   139487    0   139487    10     9     1     1     0     8    1
knotepl    120      907    0        0    19     0    19    19     0     8    0
kqueuepl   216     2572    0     2564    12    11     1     5     0     8    0
pipepl     320     1630    0     1602    30    27     3     8     0     8    0
fdescpl    496    10197    0    10173    10     5     5     5     0     8    0
filepl     152    78090    0    77848    98    85    13    20     0     8    0
lockfpl    104     3815    0     3812     4     3     1     4     0     8    0
lockfspl    48     1332    0     1329     1     0     1     1     0     8    0
sessionpl  144       80    0       63     1     0     1     1     0     8    0
pgrppl      48      312    0      295     1     0     1     1     0     8    0
ucredpl    104    13616    0    13601     1     0     1     1     0     8    0
zombiepl   144    10205    0    10198     1     0     1     1     0     8    0
processpl  1136   10249    0    10198     6     1     5     6     0     8    0
procpl     656    23989    0    23908    13     6     7     9     0     8    0
srpgc       96       44    0       44    13    13     0     1     0     8    0
sosppl     168      136    0      136    18    18     0     1     0     8    0
sockpl     664    24917    0    24890   191   181    10    22     0     8    7
mcl64k     65536      5    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
mcl9k      9216       2    0        0     1     0     1     1     0     8    0
mcl8k      8192      12    0        0     2     0     2     2     0     8    0
mcl4k      4096       4    0        0     1     0     1     1     0     8    0
mcl2k2     2112       2    0        0     1     0     1     1     0     8    0
mcl2k      2048     683    0        0    49    16    33    49     0     8    1
mtagpl      96       87    0        0     2     0     2     2     0     8    0
mbufpl     256     3116    0        0   170     0   170   170     0     8    0
bufpl      280    24938    0    14820   723     0   723   723     0     8    0
anonpl      24  1201908    0  1190230   227   142    85   117     0   186   13
amapchunkpl 152  309738    0   308661   170   128    42    61     0   158    0
amappl16   200    25140    0    24995   140   119    21    33     0     8    7
amappl15   192       13    0       13     2     2     0     1     0     8    0
amappl14   184      325    0      311     2     1     1     2     0     8    0
amappl13   176       17    0       15     1     0     1     1     0     8    0
amappl12   168    11534    0    11499     3     0     3     3     0     8    0
amappl11   160       61    0       47     1     0     1     1     0     8    0
amappl10   152       94    0       82     1     0     1     1     0     8    0
amappl9    144      367    0      367     2     2     0     1     0     8    0
amappl8    136      310    0      267     3     0     3     3     0     8    0
amappl7    128       81    0       63     1     0     1     1     0     8    0
amappl6    120     1036    0     1016     2     0     2     2     0     8    0
amappl5    112      417    0      402     1     0     1     1     0     8    0
amappl4    104     1027    0      982     3     1     2     3     0     8    0
amappl3     96    55953    0    55838     4     1     3     3     0     8    0
amappl2     88    10772    0    10693     5     3     2     5     0     8    0
amappl1     80    42631    0    42080    23    10    13    23     0     8    0
amappl      88    90818    0    90574     6     0     6     6     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      123    0        4     3     0     3     3     0     8    0
uaddrrnd    24    10252    0    10193     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24    10252    0    10193     1     0     1     1     0     8    0
vmmpekpl   168    73957    0    73880     4     0     4     4     0     8    0
vmmpepl    168   607839    0   605669   242   134   108   121     0   357    5
vmsppl     440    10251    0    10192     7     0     7     7     0     8    0
rwobjpl     56   149428    0   138089   191    28   163   164     0     8    3
pdppl      4096   20511    0    20413   348   250    98    99     0     8    0
pvpl        32    49168    0        0   399     2   397   397     0   265    0
pmappl     248    10251    0    10192     4     0     4     4     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      958    0      398    17     0    17    17     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0
softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696
softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749
softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211
uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: -12
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1e:        addq    $0x8,%rsp
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158
__mp_lock(ffffffff82e700b0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e700b0) at __mp_lock+0x133 sys/kern/kern_lock.c:147
syscall(ffff800037404af0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800037404af0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x79d96b6b3840, count: 8
ddb{1}> trace
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158
__mp_lock(ffffffff82e700b0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e700b0) at __mp_lock+0x133 sys/kern/kern_lock.c:147
syscall(ffff800037404af0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800037404af0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x79d96b6b3840, count: -7

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/22 10:43 openbsd 5af821209fa3 36c961ad .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault
* Struck through repros no longer work on HEAD.