syzbot


assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c (5)

Status: upstream: reported on 2025/05/20 01:41
Reported-by: syzbot+bcdac25d28da916ff365@syzkaller.appspotmail.com
First crash: 162d, last: 14d
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c (4) -1 C 9 1304d 1318d 3/3 fixed on 2022/04/05 02:42
openbsd assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c -1 C 2 2498d 2498d 3/3 fixed on 2019/01/11 00:09
openbsd assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c (2) -1 syz 2 1415d 1415d 0/3 closed as invalid on 2022/02/22 18:45
openbsd assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c (3) -1 syz 11 1327d 1343d 3/3 fixed on 2022/03/12 12:41

Sample crash report:
panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_fault.c", line 1784
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*432460  87486      0      0x1000  0x4080000    0  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8335367d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff8339218d,ffffffff833c3484,6f8,ffffffff83374a3d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806c0a9d08,200000000000,200000004000) at uvm_fault_unwire_locked+0x444 sys/uvm/uvm_fault.c:1781
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline]
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726
uvm_vslock_device(ffff80003c99c2c0,200000000140,10000,3,ffff80003ca30f08) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff811c5160,d02,8000,ffffffff811c59b0,ffff80003ca31260) at physio+0x257 sys/kern/kern_physio.c:139
spec_read(ffff80003ca31040) at spec_read+0x142 sys/kern/spec_vnops.c:215
VOP_READ(fffffd806142c0d8,ffff80003ca31260,0,fffffd8007bfb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227
vn_read(fffffd806bca2018,ffff80003ca31260,1) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003c99c2c0,9,ffff80003ca31260,1,ffff80003ca31310) at dofilereadv+0x25a sys/kern/sys_generic.c:252
sys_preadv(ffff80003c99c2c0,ffff80003ca313c0,ffff80003ca31310) at sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336
syscall(ffff80003ca313c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca313c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd38005110, 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: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_fault.c", line 1784
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8335367d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff8339218d,ffffffff833c3484,6f8,ffffffff83374a3d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806c0a9d08,200000000000,200000004000) at uvm_fault_unwire_locked+0x444 sys/uvm/uvm_fault.c:1781
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline]
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726
uvm_vslock_device(ffff80003c99c2c0,200000000140,10000,3,ffff80003ca30f08) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff811c5160,d02,8000,ffffffff811c59b0,ffff80003ca31260) at physio+0x257 sys/kern/kern_physio.c:139
spec_read(ffff80003ca31040) at spec_read+0x142 sys/kern/spec_vnops.c:215
VOP_READ(fffffd806142c0d8,ffff80003ca31260,0,fffffd8007bfb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227
vn_read(fffffd806bca2018,ffff80003ca31260,1) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003c99c2c0,9,ffff80003ca31260,1,ffff80003ca31310) at dofilereadv+0x25a sys/kern/sys_generic.c:252
sys_preadv(ffff80003c99c2c0,ffff80003ca313c0,ffff80003ca31310) at sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336
syscall(ffff80003ca313c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca313c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd38005110, count: -14
ddb> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80003ca30c30
rbx                   0x200000001000
rdx                                0
rcx                                0
rax               0xffff80003c99c2c0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x21774dab108f1f9f
r11               0x8663fc7f7cacaa50
r12                                0
r13               0xffffffff83559368    uvm_map_addr_RBT_INFO
r14                                0
r15                              0x1
rip               0xffffffff82a96835    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80003ca30c20
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb> show proc
PROC (syz-executor) tid=432460 pid=87486 tcnt=2 stat=onproc
    flags process=1000<SINGLEEXIT> proc=4080000<SUSPSINGLE,THREAD>
    runpri=4, usrpri=86, slppri=4, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff80002a8d74f0 scnt=1 ecnt=0
    forw=0xffffffffffffffff, list=0xffff80002a8d7788,0xffffffff8398d9a8
    process=0xffff80003c9bd220 user=0xffff80003ca2c000, vmspace=0xfffffd806c0a9d08
    estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 75193   16802  54298      0  2           0                syz-executor
 75193  367388  54298      0  3   0x4000080  fsleep        syz-executor
 87486  481553  20726      0  3      0x3000  suspend       syz-executor
*87486  432460  20726      0  7   0x4081000                syz-executor
 82717    6019  10810      0  2           0                syz-executor
 82717  220778  10810      0  3   0x4000080  fsleep        syz-executor
 82717  483827  10810      0  3   0x4000080  fsleep        syz-executor
 65298  282612  59635      0  2           0                syz-executor
 65298  342428  59635      0  3   0x4000080  ttyout        syz-executor
 61999  296573   2159      0  2       0xc80                syz-executor
 61999   41922   2159      0  3   0x4000080  lockf         syz-executor
 61999  319258   2159      0  3   0x4000080  lockf         syz-executor
 61999  446431   2159      0  3   0x4000080  kqsel         syz-executor
 61999   43451   2159      0  3   0x4000080  msgwait       syz-executor
 61999  422742   2159      0  3   0x4000080  fsleep        syz-executor
 53934  342947  28479      0  2       0xc80                syz-executor
 53934  423905  28479      0  3   0x4000080  fsleep        syz-executor
 53934  350719  28479      0  3   0x4000080  fsleep        syz-executor
 26784  195466      0      0  3     0x14280  nfsidl        nfsio
 51024   51831      0      0  3     0x14280  nfsidl        nfsio
 92224  450959      0      0  3     0x14280  nfsidl        nfsio
  8056   39060      0      0  3     0x14280  nfsidl        nfsio
 54961  403712      0      0  3     0x14280  nfsidl        nfsio
  3098  471299      0      0  3     0x14280  nfsidl        nfsio
 40282  218648      0      0  3     0x14280  nfsidl        nfsio
  5584  301280      0      0  3     0x14280  nfsidl        nfsio
 77896  303728      0      0  3     0x14280  nfsidl        nfsio
 95593   66739      0      0  3     0x14280  nfsidl        nfsio
 74654  484242      0      0  3     0x14280  nfsidl        nfsio
  3849  290602      0      0  3     0x14280  nfsidl        nfsio
 48640  109275      0      0  3     0x14280  nfsidl        nfsio
 55753  109299      0      0  3     0x14280  nfsidl        nfsio
 27200  404030      0      0  3     0x14280  nfsidl        nfsio
 74101  117721      0      0  3     0x14280  nfsidl        nfsio
 61057  456391      0      0  3     0x14280  nfsidl        nfsio
 23559  372996      0      0  3     0x14280  nfsidl        nfsio
 66464  508804      0      0  3     0x14280  nfsidl        nfsio
 24559  236116      0      0  3     0x14280  nfsidl        nfsio
 20726  378787  66433      0  2       0xc82                syz-executor
  8114  162856      0      0  3     0x14200  bored         sosplice
 28479  513113  66433      0  2       0xc82                syz-executor
 10810  386135  66433      0  2       0xc82                syz-executor
  2159  208313  66433      0  2       0xc82                syz-executor
 80250  431476  66433      0  2         0x2                syz-executor
 59635   23471  66433      0  2       0xc82                syz-executor
 16098  316482  66433      0  2       0xc82                syz-executor
 54298  480678  66433      0  2       0xc82                syz-executor
 66433  198920  50650      0  3        0x82  kqread        syz-executor
 50650  343786    704      0  3    0x10008a  sigsusp       ksh
   704  476250  86226      0  3        0x98  kqread        sshd-session
 86226  337960  55734      0  3        0x92  kqread        sshd-session
 25385  346707      1      0  3    0x100083  ttyin         getty
 55734  376916      1      0  3        0x88  kqread        sshd
 46643  144869  37466     73  3   0x1100090  kqread        syslogd
 37466  392055      1      0  3    0x100082  sbwait        syslogd
 44562  335074      1      0  3    0x100080  kqread        resolvd
 60456  357062  55046     77  3    0x100092  kqread        dhcpleased
 45947  243186  55046     77  3    0x100092  kqread        dhcpleased
 55046  304480      1      0  3        0x80  kqread        dhcpleased
 71114  461959      0      0  3     0x14200  bored         smr
 92138  346722      0      0  2     0x14200                zerothread
 42341  348392      0      0  3     0x14200  aiodoned      aiodoned
 53273  515672      0      0  3     0x14200  syncer        update
 69080   67886      0      0  3     0x14200  cleaner       cleaner
 31264  446813      0      0  3     0x14200  reaper        reaper
 24745  475861      0      0  3     0x14200  pgdaemon      pagedaemon
 95642  243921      0      0  3     0x14200  bored         viomb
 16470  439983      0      0  3  0x40014200  acpi0         acpi0
 82867  261687      0      0  3     0x14200  bored         softnet0
 54931  213927      0      0  3     0x14200  bored         systqmp
  8110  291605      0      0  3     0x14200  bored         systq
 66996  385406      0      0  3  0x40014200  tmoslp        softclock
 49133   67350      0      0  3  0x40014200                idle0
     1  319901      0      0  3        0x82  wait          init
     0       0     -1      0  3  0x10010200  scheduler     swapper
ddb> show all locks
No such command
ddb> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10200  11059K   11334K 166960K     12161        0
            pcb    20     17K      19K 166960K       262        0
         rtable   214      8K       8K 166960K       461        0
             pf    27     12K      14K 166960K        82        0
         ifaddr    33      5K       7K 166960K        72        0
        ifgroup    42      1K       2K 166960K       102        0
         sysctl     3      1K       9K 166960K        10        0
       counters    30     17K      18K 166960K       196        0
       ioctlops     0      0K       4K 166960K       316        0
            iov     1     12K      20K 166960K        61        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1345     85K      85K 166960K      1919        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K         9        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        26        0
        dirhash    12      2K       2K 166960K        36        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K     236K 166960K       704        0
          sigio     0      0K       0K 166960K         2        0
           proc    60     59K     108K 166960K       552        0
        subproc    72      4K       4K 166960K        81        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        68        0
       in_multi    76      5K       7K 166960K       130        0
    ether_multi     1      0K       0K 166960K         5        0
            mrt     1      0K       0K 166960K         9        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       467        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   244    140K     151K 166960K      7810        0
       UVM aobj    17      2K       2K 166960K        19        0
     pinsyscall    38     76K      94K 166960K      1807        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        42        0
            NDP     9      0K       2K 166960K        49        0
           temp    54   8641K    8709K 166960K     30214        0
         kqueue    13     20K      30K 166960K       132        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       88    0       85     1     0     1     1     0     8    0
rtentry    136      136    0       48     4     0     4     4     0     8    0
unpcb      144      704    0      689    10     6     4     7     0     8    3
syncache   336        6    0        6     2     1     1     1     0     8    1
tcpqe       32        3    0        3     1     0     1     1     0     8    1
tcpcb      736      321    0      313    13     9     4    10     0     8    3
arp         96       21    0        9     1     0     1     1     0     8    0
ipq         40        2    0        0     1     0     1     1     0     8    0
ipqe        40        2    0        0     1     0     1     1     0     8    0
inpcb      328      876    0      860    15     8     7    10     0     8    5
ip6q        72        1    0        0     1     0     1     1     0     8    0
ip6af       40        2    0        0     1     0     1     1     0     8    0
nd6        112       31    0       10     1     0     1     1     0     8    0
pkpcb       40        5    0        5     2     1     1     1     0     8    1
kcovpl      48        9    0        1     1     0     1     1     0     8    0
mppekey    1024       1    0        1     1     1     0     1     0     8    0
ppxss      1072     159    0      159     2     1     1     1     0     8    1
pppxif     1384       4    0        4     1     0     1     1     0     8    1
pfstscr     40        1    0        1     1     1     0     1     0     8    0
pfstkey    128        2    0        2     1     1     0     1     0     8    0
pfstate    384        1    0        1     1     1     0     1     0     8    0
pfrule     1344      37    0       36     1     0     1     1     0     8    0
rttmr      136        1    0        1     1     0     1     1     0     8    1
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      571    0      193    31     4    27    29     0     8    1
art_table   40      573    0      193     5     0     5     5     0     8    0
art_node    32      135    0       55     1     0     1     1     0     8    0
sysvmsgpl   40        5    0        3     1     0     1     1     0     8    0
semapl     112       23    0       13     1     0     1     1     0     8    0
shmpl      112       16    0        2     1     0     1     1     0     8    0
dirhash    1024      33    0       16     3     0     3     3     0     8    0
dino2pl    256     2752    0     1245    95     0    95    95     0     8    0
ffsino     256     2752    0     1245    95     0    95    95     0     8    0
nchpl      144     3734    0     2038    64     0    64    64     0     8    0
rtmask      32        7    0        7     2     1     1     1     0     8    1
vnodes     216     3054    0        0   170     0   170   170     0     8    0
namei      1024   12938    0    12937     2     1     1     2     0     8    0
kstatmem   264       62    0       44     2     0     2     2     0     8    0
scsiplug    72        5    0        5     1     0     1     1     0     8    1
scxspl     216    11606    0    11606     9     7     2     8     1     8    2
plimitpl   152      122    0      105     1     0     1     1     0     8    0
sigapl     424     1003    0      940     9     1     8     8     0     8    0
knotepl    120    38704    0    38657    22    12    10    15     0     8    8
kqueuepl   184      194    0      182     2     1     1     2     0     8    0
pipepl     304      174    0      147     3     0     3     3     0     8    0
fdescpl    448      967    0      938     5     1     4     5     0     8    0
filepl     120     6355    0     6114    14     4    10    12     0     8    2
lockfpl    104      275    0      268     1     0     1     1     0     8    0
lockfspl    48       79    0       76     1     0     1     1     0     8    0
sessionpl  144       25    0       17     1     0     1     1     0     8    0
pgrppl      48       42    0       26     1     0     1     1     0     8    0
ucredpl    104     1213    0     1201     1     0     1     1     0     8    0
zombiepl   144      942    0      940     1     0     1     1     0     8    0
processpl  1152    1003    0      940     5     0     5     5     0     8    0
procpl     664     1821    0     1746     7     0     7     7     0     8    0
sosppl     168        2    0        2     1     1     0     1     0     8    0
sockpl     552     1700    0     1666    20    13     7    14     0     8    4
mcl64k     65536     93    0       93     2     1     1     1     0     8    1
mcl16k     16384      2    0        2     2     1     1     1     0     8    1
mcl12k     12288      1    0        1     1     1     0     1     0     8    0
mcl9k      9216       1    0        1     1     1     0     1     0     8    0
mcl8k      8192      12    0       12     2     1     1     1     0     8    1
mcl4k      4096    3227    0     3177    16     7     9    14     0     8    2
mcl2k      2048    1078    0     1072     2     0     2     2     0     8    1
mtagpl      96       10    0        8     1     0     1     1     0     8    0
mbufpl     256    12260    0    12123   134   114    20    73     0     8    8
bufpl      280     3696    0      119   256     0   256   256     0     8    0
anonpl      24   160353    0   154373    55    10    45    45     0   187    8
amapchunkpl 152   25468    0    24818    41    12    29    34     0   158    3
amappl16   200     2874    0     2825    18     7    11    15     0     8    7
amappl15   192       51    0       51     1     1     0     1     0     8    0
amappl14   184        6    0        6     1     1     0     1     0     8    0
amappl13   176      421    0      420     1     0     1     1     0     8    0
amappl12   168     1321    0     1283     2     0     2     2     0     8    0
amappl11   160        6    0        5     1     0     1     1     0     8    0
amappl10   152       86    0       76     1     0     1     1     0     8    0
amappl9    144      255    0      255     1     1     0     1     0     8    0
amappl8    136       19    0       16     1     0     1     1     0     8    0
amappl7    128       98    0       96     1     0     1     1     0     8    0
amappl6    120      294    0      283     1     0     1     1     0     8    0
amappl5    112       70    0       62     1     0     1     1     0     8    0
amappl4    104      438    0      414     1     0     1     1     0     8    0
amappl3     96     4333    0     4242     3     0     3     3     0     8    0
amappl2     88     1111    0     1040     2     0     2     2     0     8    0
amappl1     80    11886    0    11349    14     1    13    13     0     8    0
amappl      88     6961    0     6786     5     0     5     5     0    92    0
uvmvnodes   80     3054    0        0    63     0    63    63     0     8    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma2048    2048       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        8    0        8     2     1     1     1     0     8    1
dma128     128      257    0      257     2     1     1     1     0     8    1
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       18    0        2     1     0     1     1     0     8    0
uaddrrnd    24      967    0      938     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      967    0      938     1     0     1     1     0     8    0
vmmpekpl   168     9219    0     9176     3     0     3     3     0     8    0
vmmpepl    168    68113    0    66279    86     0    86    86     0   357    3
vmsppl     368      966    0      938     4     1     3     4     0     8    0
rwobjpl     40    23262    0    19316    40     0    40    40     0     8    0
pdppl      4096    1940    0     1876   104    38    66    80     0     8    2
pvpl        32   435721    0   422193   139    16   123   123     0   265   13
pmappl     216      966    0      938     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      520    0      183    12     1    11    12     0     8    0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8335367d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff8339218d,ffffffff833c3484,6f8,ffffffff83374a3d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806c0a9d08,200000000000,200000004000) at uvm_fault_unwire_locked+0x444 sys/uvm/uvm_fault.c:1781
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline]
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726
uvm_vslock_device(ffff80003c99c2c0,200000000140,10000,3,ffff80003ca30f08) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff811c5160,d02,8000,ffffffff811c59b0,ffff80003ca31260) at physio+0x257 sys/kern/kern_physio.c:139
spec_read(ffff80003ca31040) at spec_read+0x142 sys/kern/spec_vnops.c:215
VOP_READ(fffffd806142c0d8,ffff80003ca31260,0,fffffd8007bfb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227
vn_read(fffffd806bca2018,ffff80003ca31260,1) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003c99c2c0,9,ffff80003ca31260,1,ffff80003ca31310) at dofilereadv+0x25a sys/kern/sys_generic.c:252
sys_preadv(ffff80003c99c2c0,ffff80003ca313c0,ffff80003ca31310) at sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336
syscall(ffff80003ca313c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca313c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd38005110, count: -14
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8335367d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff8339218d,ffffffff833c3484,6f8,ffffffff83374a3d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806c0a9d08,200000000000,200000004000) at uvm_fault_unwire_locked+0x444 sys/uvm/uvm_fault.c:1781
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline]
uvm_fault_wire(fffffd806c0a9d08,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726
uvm_vslock_device(ffff80003c99c2c0,200000000140,10000,3,ffff80003ca30f08) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff811c5160,d02,8000,ffffffff811c59b0,ffff80003ca31260) at physio+0x257 sys/kern/kern_physio.c:139
spec_read(ffff80003ca31040) at spec_read+0x142 sys/kern/spec_vnops.c:215
VOP_READ(fffffd806142c0d8,ffff80003ca31260,0,fffffd8007bfb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227
vn_read(fffffd806bca2018,ffff80003ca31260,1) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003c99c2c0,9,ffff80003ca31260,1,ffff80003ca31310) at dofilereadv+0x25a sys/kern/sys_generic.c:252
sys_preadv(ffff80003c99c2c0,ffff80003ca313c0,ffff80003ca31310) at sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336
syscall(ffff80003ca313c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca313c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd38005110, count: -14

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/15 05:51 openbsd d18d420901a9 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c
2025/09/18 14:57 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c
2025/08/02 01:14 openbsd 8693ef6a6ffe 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c
2025/05/21 08:18 openbsd 1363fb036962 b47f9e02 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c
2025/05/20 01:40 openbsd 03d4002980cf b84f0537 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c
* Struck through repros no longer work on HEAD.