syzbot


uvm_fault: mtx_enter

Status: upstream: reported on 2025/04/11 00:12
Reported-by: syzbot+012f107f543805943a64@syzkaller.appspotmail.com
First crash: 419d, last: 48d

Sample crash report:
login: uvm_fault(0xfffffd806cb145d0, 0x18, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      mtx_enter+0x6e: movq    0(%r14),%r15
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549
clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b1336e26400, count: 1
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> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xfffffd806cb145d0, 0x18, 0, 1) -> e
ddb> trace
mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549
clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b1336e26400, count: -14
ddb> show registers
rdi                                0
rsi                                0
rbp               0xffff800039cd3360
rbx                                0
rdx                                0
rcx               0xffff80002f0c1ca0
rax               0xffff80002f0c1c00
r8                                 0
r9                                 0
r10               0x7e307a04dd6efedc
r11               0xfe8e36b0a6bb2d02
r12                              0x1
r13                                0
r14                             0x18
r15                                0
rip               0xffffffff8127ec3e    mtx_enter+0x6e
cs                               0x8
rflags                       0x10297    __ALIGN_SIZE+0xf297
rsp               0xffff800039cd3330
ss                                 0
mtx_enter+0x6e: movq    0(%r14),%r15
ddb> show proc
PROC (syz-executor) tid=77285 pid=44234 tcnt=0 stat=onproc
    flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
    runpri=32, usrpri=75, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff80002f0c1ca0 scnt=-1 ecnt=1
    forw=0xffffffffffffffff, list=0xffff80002f0c07e0,0xffff80002f0c0a88
    process=0xffff80003c94b620 user=0xffff800039cce000, vmspace=0xfffffd806cb145d0
    estcpu=25, cpticks=7, pctcpu=0.5, user=0, sys=1, intr=0
ddb> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 84049  164602  44959      0  2           0                syz-executor
 84049  139710  44959      0  3   0x4000080  fsleep        syz-executor
 84049  356299  44959      0  2   0x4000000                syz-executor
 66789  494467  12587      0  2           0                syz-executor
 66789  171052  12587      0  3   0x4000080  fsleep        syz-executor
 52405  442088  52077      0  2           0                syz-executor
 52405  162807  52077      0  3   0x4000080  fsleep        syz-executor
 43620  142614  36636      0  2        0x10                syz-executor
 43620  389249  36636      0  3   0x4000090  fsleep        syz-executor
 71976  278625  15545     -1  2        0x10                syz-executor
 71976  396296  15545     -1  3   0x4000090  fsleep        syz-executor
 71976  171926  15545     -1  2   0x4000010                syz-executor
 30073  518357  34142      0  2           0                syz-executor
 30073  174807  34142      0  3   0x4000080  kqread        syz-executor
 30073  223193  34142      0  3   0x4000080  fsleep        syz-executor
 36664  398592      0      0  3     0x14200  acct          acct
 69774  104718      0      0  3     0x14280  nfsidl        nfsio
 56248  281546      0      0  3     0x14280  nfsidl        nfsio
 15833  405048      0      0  3     0x14280  nfsidl        nfsio
 68646  452185      0      0  3     0x14280  nfsidl        nfsio
 12748  403201      0      0  3     0x14280  nfsidl        nfsio
 21531  421261      0      0  3     0x14280  nfsidl        nfsio
  8287   90395      0      0  3     0x14280  nfsidl        nfsio
 22833  485877      0      0  3     0x14280  nfsidl        nfsio
 16872  369682      0      0  3     0x14280  nfsidl        nfsio
 47329  523330      0      0  3     0x14280  nfsidl        nfsio
 40147  343557      0      0  3     0x14280  nfsidl        nfsio
 45963  423049      0      0  3     0x14280  nfsidl        nfsio
 29807   57238      0      0  3     0x14280  nfsidl        nfsio
  2292  118070      0      0  3     0x14280  nfsidl        nfsio
 22383   40996      0      0  3     0x14280  nfsidl        nfsio
 40910   28703      0      0  3     0x14280  nfsidl        nfsio
 49325  189830      0      0  3     0x14280  nfsidl        nfsio
 66001  196308      0      0  3     0x14280  nfsidl        nfsio
 49309  331297      0      0  3     0x14280  nfsidl        nfsio
 30244  105129      0      0  3     0x14280  nfsidl        nfsio
 76039  508556      1      0  3    0x100083  ttyin         getty
 44959  243621  99495      0  3        0x82  nanoslp       syz-executor
 12587  133377  99495      0  3        0x82  nanoslp       syz-executor
 34142  327226  99495      0  3        0x82  nanoslp       syz-executor
 52077  370492  99495      0  3        0x82  nanoslp       syz-executor
 81218  158228  99495      0  3        0x82  wait          syz-executor
 15545   90763  99495      0  3        0x82  nanoslp       syz-executor
 36636   72229  99495      0  3        0x82  nanoslp       syz-executor
 34052  357293  99495      0  3        0x82  nanoslp       syz-executor
 99495   81304  27085      0  3        0x82  kqread        syz-executor
 27085   42800  27416      0  3    0x10008a  sigsusp       ksh
 27416  452897  86930      0  3        0x98  kqread        sshd-session
 86930  499367  91245      0  3        0x92  kqread        sshd-session
 91245  336226      1      0  3        0x88  kqread        sshd
 62012  106333  45132     73  3   0x1100090  kqread        syslogd
 45132  132443      1      0  3    0x100082  sbwait        syslogd
  5175  213625      1      0  3    0x100080  kqread        resolvd
 48838  136946   6549     77  3    0x100092  kqread        dhcpleased
 35458  177831   6549     77  3    0x100092  kqread        dhcpleased
  6549  369102      1      0  3        0x80  kqread        dhcpleased
 56711  100409      0      0  3     0x14200  bored         smr
 52186  205266      0      0  2     0x14200                zerothread
  7574  205862      0      0  3     0x14200  aiodoned      aiodoned
 40309  459300      0      0  3     0x14200  syncer        update
 22723  248472      0      0  3     0x14200  cleaner       cleaner
 38715  435031      0      0  2     0x14200                reaper
 17960  473367      0      0  3     0x14200  pgdaemon      pagedaemon
 80057  393462      0      0  3     0x14200  bored         viomb
 39272  443843      0      0  3  0x40014200  acpi0         acpi0
 86853  126915      0      0  3     0x14200  bored         softnet0
 99284   12862      0      0  3     0x14200  bored         systqmp
 34860   96110      0      0  3     0x14200  bored         systq
 66554  244938      0      0  3  0x40014200  tmoslp        softclock
 97681  293865      0      0  3  0x40014200                idle0
     1  370991      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb> show all locks
No such command
ddb> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11056  12275K   13041K 166960K     12600        0
            pcb    18     12K      12K 166960K        54        0
         rtable   233      8K       9K 166960K       409        0
             pf    34     13K      14K 166960K        52        0
         ifaddr    42      7K       7K 166960K        54        0
        ifgroup    55      2K       2K 166960K        78        0
         sysctl     3      1K       9K 166960K         8        0
       counters    34     17K      18K 166960K        42        0
       ioctlops     0      0K       2K 166960K        95        0
            iov     0      0K      12K 166960K         9        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1378     87K      87K 166960K      1622        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       1K 166960K         2        0
         VM map     2      1K       1K 166960K         2        0
            sem     5      0K       0K 166960K         6        0
        dirhash    12      2K       2K 166960K        12        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    18     65K      97K 166960K       343        0
          sigio     0      0K       0K 166960K         2        0
           proc    60     59K     124K 166960K       534        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        32        0
       in_multi    96      7K       7K 166960K       103        0
    ether_multi     1      0K       0K 166960K         2        0
            mrt     0      0K       0K 166960K        13        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    67    307K     307K 166960K        67        0
           exec     0      0K       2K 166960K       392        0
   fusefs mount     1     32K      32K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   238    157K     164K 166960K      4861        0
       UVM aobj     6      2K       2K 166960K         6        0
     pinsyscall    39     78K      96K 166960K      1461        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     1      0K       0K 166960K         7        0
            NDP    12      0K       2K 166960K        35        0
           temp    44   9068K    9132K 166960K     10377        0
         kqueue    13     20K      30K 166960K        71        0
      SYN cache     2     16K      16K 166960K         2        0
ddb> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb      120      116    0      112     3     2     1     3     0     8    0
rtentry    136      118    0       17     4     0     4     4     0     8    0
unpcb      144      145    0      129     1     0     1     1     0     8    0
syncache   336        8    0        8     2     1     1     1     0     8    1
tcpcb      736      125    0      119     7     6     1     7     0     8    0
arp         96       18    0        0     1     0     1     1     0     8    0
ipq         40        3    0        0     1     0     1     1     0     8    0
ipqe        40        3    0        0     1     0     1     1     0     8    0
inpcb      328      249    0      239     7     5     2     7     0     8    1
ip6q        72        1    0        1     1     1     0     1     0     8    0
ip6af       40        2    0        2     1     1     0     1     0     8    0
nd6        112       27    0        2     1     0     1     1     0     8    0
pkpcb       40        2    0        1     2     1     1     1     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1072       5    0        5     1     1     0     1     0     8    0
pfstscr     40        2    0        1     1     0     1     1     0     8    0
pfstitem    24        2    0        0     1     0     1     1     0     8    0
pfstkey    128        4    0        2     1     0     1     1     0     8    0
pfstate    384        2    0        1     1     0     1     1     0     8    0
rttmr      136        2    0        2     1     1     0     1     0     8    0
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      526    0      107    33     4    29    33     0     8    1
art_table   40      528    0      107     6     1     5     6     0     8    0
art_node    32      117    0       26     1     0     1     1     0     8    0
sysvmsgpl   40        3    0        2     1     0     1     1     0     8    0
semapl     112        3    0        0     1     0     1     1     0     8    0
shmpl      112        3    0        0     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1962    0      506    92     0    92    92     0     8    0
ffsino     256     1962    0      506    92     0    92    92     0     8    0
nchpl      144     2469    0      771    64     0    64    64     0     8    0
vnodes     216     2223    0        0   124     0   124   124     0     8    0
namei      1024    8159    0     8159     3     2     1     2     0     8    1
kstatmem   264       38    0       14     2     0     2     2     0     8    0
scsiplug    72        1    0        1     1     0     1     1     0     8    1
scxspl     216    12970    0    12970     5     4     1     5     1     8    1
plimitpl   152       62    0       45     1     0     1     1     0     8    0
sigapl     424      663    0      599     8     0     8     8     0     8    0
knotepl    120    12706    0    12659    18     8    10    10     0     8    8
kqueuepl   184       88    0       78     1     0     1     1     0     8    0
pipepl     304      136    0      108     3     0     3     3     0     8    0
fdescpl    448      629    0      599     5     1     4     5     0     8    0
filepl     120     3162    0     2942    11     3     8    11     0     8    0
lockfpl    104      299    0      297     2     1     1     2     0     8    0
lockfspl    48       78    0       76     1     0     1     1     0     8    0
sessionpl  144       32    0       24     1     0     1     1     0     8    0
pgrppl      48       40    0       24     1     0     1     1     0     8    0
ucredpl    104      286    0      273     1     0     1     1     0     8    0
zombiepl   144      620    0      618     1     0     1     1     0     8    0
processpl  1152     663    0      599     5     0     5     5     0     8    0
procpl     664     1009    0      935     7     0     7     7     0     8    0
sosppl     176        2    0        2     2     1     1     1     0     8    1
sockpl     552      519    0      488     8     5     3     8     0     8    0
mcl64k     65536     81    0       81     2     1     1     1     0     8    1
mcl8k      8192       4    0        4     1     1     0     1     0     8    0
mcl4k      4096    2780    0     2728    15     7     8    15     0     8    1
mcl2k      2048     368    0      365     1     0     1     1     0     8    0
mtagpl      96        7    0        6     1     0     1     1     0     8    0
mbufpl     256     6653    0     6473    28     9    19    21     0     8    6
bufpl      280     5749    0      103   404     0   404   404     0     8    0
anonpl      24   119651    0   116412    69    21    48    69     0   187    8
amapchunkpl 152   15191    0    14483    41     6    35    35     0   158    7
amappl16   200     2252    0     2224    27    12    15    27     0     8    8
amappl15   192        7    0        7     1     1     0     1     0     8    0
amappl14   184      414    0      413     1     0     1     1     0     8    0
amappl13   176      119    0      109     1     0     1     1     0     8    0
amappl12   168      884    0      855     2     0     2     2     0     8    0
amappl11   160        4    0        4     1     1     0     1     0     8    0
amappl10   152       95    0       85     1     0     1     1     0     8    0
amappl9    144      342    0      342     1     1     0     1     0     8    0
amappl8    136      129    0      128     1     0     1     1     0     8    0
amappl7    128      147    0      135     1     0     1     1     0     8    0
amappl6    120      191    0      189     1     0     1     1     0     8    0
amappl5    112      119    0      111     1     0     1     1     0     8    0
amappl4    104      269    0      254     1     0     1     1     0     8    0
amappl3     96     2758    0     2640     4     0     4     4     0     8    0
amappl2     88      543    0      489     2     0     2     2     0     8    0
amappl1     80    10911    0    10360    17     2    15    15     0     8    1
amappl      88     4104    0     3930     5     0     5     5     0    92    0
uvmvnodes   80      102    0        0     3     0     3     3     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        7    0        7     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        5    0        0     1     0     1     1     0     8    0
uaddrrnd    24      629    0      599     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      629    0      599     1     0     1     1     0     8    0
vmmpekpl   168     7079    0     7042     2     0     2     2     0     8    0
vmmpepl    168    49193    0    47353   102     4    98   102     0   357   10
vmsppl     368      628    0      599     4     1     3     4     0     8    0
rwobjpl     40    16788    0    15820    15     0    15    15     0     8    1
pdppl      4096    1264    0     1198   104    34    70    82     0     8    4
pvpl        32   298493    0   289807   139    23   116   139     0   265   13
pmappl     216      628    0      599     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      397    0       69    11     0    11    11     0     8    0
ddb> machine ddbcpu 0
No such command
ddb> trace
mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549
clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b1336e26400, count: -14
ddb> machine ddbcpu 1
No such command
ddb> trace
mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549
clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b1336e26400, count: -14

Crashes (214):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/17 00:39 openbsd 203548908adb 1a086e7c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/23 21:02 openbsd ccfcb3e6ef18 5e3db351 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/23 08:08 openbsd ccfcb3e6ef18 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/22 18:17 openbsd 33c7e43e4e2f 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/20 00:05 openbsd f53d362946f9 2f245add .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/19 20:37 openbsd e3f28ea82b45 0291cd06 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/19 11:35 openbsd e3f28ea82b45 0291cd06 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/18 22:33 openbsd 561bf2d2294a 0199f9a1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/18 00:58 openbsd 7b59c65f5490 c8810548 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/17 02:00 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/16 19:00 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/16 00:39 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/14 16:38 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/13 16:11 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/03/12 23:22 openbsd fd49698d88e5 2f7f359d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/13 21:08 openbsd 002f3ac1824d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/07 23:16 openbsd 6a5ee414a02d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/05 12:13 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/05 10:36 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/04 21:38 openbsd 3e29b976dc48 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/03 01:27 openbsd 2933a3218787 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/02/01 01:00 openbsd 43ad07ab5076 6b8752f2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/31 01:50 openbsd ffeb3c477d3b c75a2f6e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/30 09:15 openbsd b822cddf2b35 bfa73b7b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/30 05:45 openbsd b822cddf2b35 bfa73b7b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/29 21:40 openbsd efad3755d7df aeb6fdd5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/27 15:26 openbsd 4b649cda673b 71ad32b1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/27 06:48 openbsd e574c2d36cbc efb3e894 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/26 17:54 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/26 04:26 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/25 23:45 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/24 22:15 openbsd 652212f689da 40acda8a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/22 16:32 openbsd 72d111245f15 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/22 09:22 openbsd 72d111245f15 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/21 20:49 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/21 12:03 openbsd 5c0c839c3d8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/20 16:00 openbsd bbdb2fea834c 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/20 08:53 openbsd 4dbb760ec6c4 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/19 13:01 openbsd 665aeba05e03 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/19 01:22 openbsd 085960a72a94 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/18 00:42 openbsd f5df22e61f89 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/15 17:16 openbsd c600931321c7 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/15 14:48 openbsd c600931321c7 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: mtx_enter
2026/01/14 10:11 openbsd 3d903ed5427e 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/11 13:30 openbsd 294bdc40ca4d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2026/01/11 09:26 openbsd 294bdc40ca4d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
2025/04/11 00:12 openbsd 5990a1963d9d 94486846 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: mtx_enter
* Struck through repros no longer work on HEAD.