syzbot


uvm_fault: copyout

Status: upstream: reported on 2025/04/22 02:09
Reported-by: syzbot+580ddcc906e61f1b9dad@syzkaller.appspotmail.com
First crash: 16d, last: 2d07h

Sample crash report:
login: uvm_fault(0xfffffd806bbdfb60, 0x200000000100, 0, 2) -> d
kernel: page fault trap, code=3
Stopped at      copyout+0x62:   repe movsl      (%rsi),%es:(%rdi)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*446155  21377      0           0  0x4000000    0K syz-executor
copyout() at copyout+0x62
kern_sysctl_dirs(49,ffff80003c432c48,4,200000000100,ffff80003c432c78,0,95f8462c3f4f4597,4) at kern_sysctl_dirs+0x2ef sys/kern/kern_sysctl.c:426
kern_sysctl(ffff80003c432c44,5,200000000100,ffff80003c432c78,0,37,d6bc48461a8492b0) at kern_sysctl+0x145 sys/kern/kern_sysctl.c:522
sys_sysctl(ffff800035bf22a8,ffff80003c432db0,ffff80003c432d00) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
syscall(ffff80003c432db0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c432db0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x974b81f04b0, count: 9
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(0xfffffd806bbdfb60, 0x200000000100, 0, 2) -> d
ddb{0}> trace
copyout() at copyout+0x62
kern_sysctl_dirs(49,ffff80003c432c48,4,200000000100,ffff80003c432c78,0,95f8462c3f4f4597,4) at kern_sysctl_dirs+0x2ef sys/kern/kern_sysctl.c:426
kern_sysctl(ffff80003c432c44,5,200000000100,ffff80003c432c78,0,37,d6bc48461a8492b0) at kern_sysctl+0x145 sys/kern/kern_sysctl.c:522
sys_sysctl(ffff800035bf22a8,ffff80003c432db0,ffff80003c432d00) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
syscall(ffff80003c432db0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c432db0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x974b81f04b0, count: -6
ddb{0}> show registers
rdi                   0x200000000100
rsi               0xffff8000014e0000
rbp               0xffff80003c4329a0
rbx                   0x200000000100
rdx               0xffff80003c42d000
rcx                              0x1
rax                              0x4
r8                    0x7f7fffffc000
r9                                 0
r10               0x9b9ada97138429e8
r11               0xffffffff81fe7870    copy_fault
r12               0xffff8000014e0000
r13                              0x4
r14               0xfffffd805d7e3c50
r15                                0
rip               0xffffffff81fe77a2    copyout+0x62
cs                               0x8
rflags                       0x50202    acpi_pdirpa+0x3c073
rsp               0xffff80003c4328a0
ss                              0x10
copyout+0x62:   repe movsl      (%rsi),%es:(%rdi)
ddb{0}> show proc
PROC (syz-executor) tid=446155 pid=21377 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=32, usrpri=86, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff800035bf2aa0,0xffff800035bf1570
    process=0xffff8000fffe8e68 user=0xffff80003c42d000, vmspace=0xfffffd806bbdfb60
    estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 79407  197780  88708      0  2     0x82000                syz-executor
 79407  334180  88708      0  4   0x4082000                syz-executor
 79407  468731  88708      0  3   0x4002000  suspend       syz-executor
 21377  158355  43708      0  2           0                syz-executor
 21377  412028  43708      0  3   0x4000080  sbwait        syz-executor
*21377  446155  43708      0  7   0x4000000                syz-executor
 86937  460071  24131      0  3        0x80  nanoslp       syz-executor
 86937  381038  24131      0  3   0x4000080  sbwait        syz-executor
 86937  310230  24131      0  3   0x4000080  fsleep        syz-executor
 12436  223356   8068      0  2       0xc80                syz-executor
 12436  213048   8068      0  3   0x4000080  kqread        syz-executor
 12436  368307   8068      0  3   0x4000080  fsleep        syz-executor
 65694  103898      1      0  3    0x100083  ttyin         getty
 20537   13155      0      0  3     0x14280  nfsidl        nfsio
 33277  142202      0      0  3     0x14280  nfsidl        nfsio
 97199  492920      0      0  3     0x14280  nfsidl        nfsio
 38856  483645      0      0  3     0x14280  nfsidl        nfsio
 67548  320889      0      0  3     0x14280  nfsidl        nfsio
 66634   56480      0      0  3     0x14280  nfsidl        nfsio
 70942  229843      0      0  3     0x14280  nfsidl        nfsio
 92564  450384      0      0  3     0x14280  nfsidl        nfsio
 10388  367813      0      0  3     0x14280  nfsidl        nfsio
 11601  197464      0      0  3     0x14280  nfsidl        nfsio
  6830  303516      0      0  3     0x14280  nfsidl        nfsio
 14030  298549      0      0  3     0x14280  nfsidl        nfsio
 42014  191887      0      0  3     0x14280  nfsidl        nfsio
 13003  443344      0      0  3     0x14280  nfsidl        nfsio
 60533  489356      0      0  3     0x14280  nfsidl        nfsio
  8184   19781      0      0  3     0x14280  nfsidl        nfsio
  7683   17757      0      0  3     0x14280  nfsidl        nfsio
 83040    2781      0      0  3     0x14280  nfsidl        nfsio
 38560  445070      0      0  3     0x14280  nfsidl        nfsio
 66816   75803      0      0  3     0x14280  nfsidl        nfsio
 82597  346420      0      0  3     0x14200  bored         sosplice
 30790  345751  51858      0  3        0x82  wait          syz-executor
  8068   69026  51858      0  3        0x82  nanoslp       syz-executor
 88708  243702  51858      0  3        0x82  nanoslp       syz-executor
 69778  136729  51858      0  2         0x2                syz-executor
 43708  251886  51858      0  3        0x82  nanoslp       syz-executor
 15402  226995  51858      0  2       0xc82                syz-executor
 44452  342059  51858      0  2         0x2                syz-executor
 24131  474799  51858      0  2       0xc82                syz-executor
 51858  311475  35287      0  3        0x82  kqread        syz-executor
 35287  440199  80399      0  3    0x10008a  sigsusp       ksh
 80399  473782  28563      0  3        0x98  kqread        sshd-session
 28563  244887  49909      0  3        0x92  kqread        sshd-session
 49909  380632      1      0  3        0x88  kqread        sshd
 29996  288710  64281     74  3   0x1100092  bpf           pflogd
 64281   51711      1      0  3        0x80  sbwait        pflogd
 19576  202356  46546     73  3   0x1100090  kqread        syslogd
 46546  428273      1      0  3    0x100082  sbwait        syslogd
 57666  477508      1      0  3    0x100080  kqread        resolvd
 31641   64724  35542     77  3    0x100092  kqread        dhcpleased
 95574  341549  35542     77  3    0x100092  kqread        dhcpleased
 35542   88275      1      0  3        0x80  kqread        dhcpleased
 80921   80556      0      0  3     0x14200  bored         smr
 13692   96677      0      0  2     0x14200                zerothread
 53154   61269      0      0  3     0x14200  aiodoned      aiodoned
 91314  408562      0      0  3     0x14200  syncer        update
 17741  112438      0      0  3     0x14200  cleaner       cleaner
 43121   16308      0      0  3     0x14200  reaper        reaper
 30909  481699      0      0  3     0x14200  pgdaemon      pagedaemon
 62455  301904      0      0  3     0x14200  bored         viomb
 16902   11866      0      0  3  0x40014200  acpi0         acpi0
 10176  399546      0      0  7  0x40014200                idle1
 27956  182518      0      0  3     0x14200  bored         softnet3
 75382  140277      0      0  3     0x14200  bored         softnet2
 87741  315397      0      0  3     0x14200  bored         softnet1
 81920  231455      0      0  2     0x14200                softnet0
 31663   39595      0      0  3     0x14200  bored         systqmp
 15147  176635      0      0  3     0x14200  bored         systq
 43809   94100      0      0  3     0x14200  tmoslp        softclockmp
 25565  387275      0      0  2  0x40014200                softclock
  1965  286520      0      0  3  0x40014200                idle0
     1  275573      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 21377 (syz-executor) thread 0xffff800035bf22a8 (446155)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a09ad8)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  sysctl_vslock+0x80 sys/kern/kern_sysctl.c:192
#2  kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:424
#3  kern_sysctl+0x145 sys/kern/kern_sysctl.c:522
#4  sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
#5  syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5  syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#6  Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff837d3408)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187
#3  kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:424
#4  kern_sysctl+0x145 sys/kern/kern_sysctl.c:522
#5  sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
#6  syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6  syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 69778 (syz-executor) thread 0xffff80002a2a2d50 (136729)
exclusive rrwlock inode r = 0 (0xfffffd806de48d10)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4  ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4  ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5  ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230
#6  ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8  VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9  domkdirat+0x179 sys/kern/vfs_syscalls.c:3109
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8073c72558)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6  namei+0x7aa sys/kern/vfs_lookup.c:250
#7  domkdirat+0x8b sys/kern/vfs_syscalls.c:3094
#8  syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
Process 44452 (syz-executor) thread 0xffff80002a2a1810 (342059)
exclusive rrwlock inode r = 0 (0xfffffd8071e751e8)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4  ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4  ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5  ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230
#6  ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8  VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9  domkdirat+0x179 sys/kern/vfs_syscalls.c:3109
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806cd3a8b0)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6  namei+0x7aa sys/kern/vfs_lookup.c:250
#7  domkdirat+0x8b sys/kern/vfs_syscalls.c:3094
#8  syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10248  11136K   11711K 166960K     12734        0
            pcb    17     12K      12K 166960K       114        0
         rtable   173      6K       8K 166960K       430        0
             pf    33     17K      21K 166960K        76        0
         ifaddr    32      5K       7K 166960K        61        0
        ifgroup    43      2K       2K 166960K        93        0
         sysctl     2      1K       3K 166960K         3        0
       counters    58     35K      36K 166960K        86        0
       ioctlops     0      0K       4K 166960K      1617        0
            iov     1      0K      20K 166960K        33        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1471     93K      93K 166960K      2202        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K        17        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        28        0
        dirhash    12      2K       2K 166960K        24        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    16     57K      85K 166960K       716        0
          sigio     0      0K       0K 166960K         7        0
           proc    72     91K     128K 166960K       617        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       140        0
       in_multi    66      4K       7K 166960K       129        0
    ether_multi     1      0K       0K 166960K         5        0
            mrt     2      0K       0K 166960K         8        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   175    784K     784K 166960K       175        0
           exec     0      0K       1K 166960K       431        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   250    168K     177K 166960K      8143        0
       UVM aobj     5      4K       4K 166960K         6        0
     pinsyscall    41     82K      98K 166960K      1842        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        32        0
            NDP     9      0K       2K 166960K        37        0
           temp    62   8689K    8758K 166960K     59276        0
         kqueue    14     22K      32K 166960K       118        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      102    0       66     2     0     2     2     0     8    0
rtentry    176      130    0       54     6     0     6     6     0     8    0
unpcb      144      359    0      333     3     0     3     3     0     8    2
syncache   336        3    0        3     1     1     0     1     0     8    0
tcpcb      808      194    0      188     4     0     4     4     0     8    3
arp        128       22    0        8     1     0     1     1     0     8    0
inpcb      384      646    0      637     8     0     8     8     0     8    7
nd6        144       30    0       11     1     0     1     1     0     8    0
pkpcb       40        4    0        4     2     1     1     1     0     8    1
kcovpl      48        8    0        0     1     0     1     1     0     8    0
mppekey    1024       1    0        1     1     0     1     1     0     8    1
ppxss      1192       4    0        4     1     0     1     1     0     8    1
pppxif     1504       2    0        2     1     0     1     1     0     8    1
pffrag     232        1    0        0     1     0     1     1     0   482    0
pffrnode    88        1    0        0     1     0     1     1     0     8    0
pffrent     40        5    0        3     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfrktable  1344       4    0        3     1     0     1     1     0     8    0
pftag       88        1    0        0     1     0     1     1     0     8    0
pfstitem    24       49    0        4     1     0     1     1     0     8    0
pfstkey    128       49    0        4     2     0     2     2     0     8    0
pfstate    384       49    0        4     5     0     5     5     0     8    0
pfrule     1344      23    0       16     2     1     1     2     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      541    0      195    30     2    28    30     0     8    4
art_table   32      543    0      195     4     0     4     4     0     8    0
art_node    16      129    0       62     1     0     1     1     0     8    0
sysvmsgpl   40       12    0        6     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112       25    0       15     1     0     1     1     0     8    0
shmpl      112        3    0        1     1     0     1     1     0     8    0
dirhash    1024      25    0        8     3     0     3     3     0     8    0
dino2pl    256     2742    0     1234    95     0    95    95     0     8    0
ffsino     288     2742    0     1234   109     0   109   109     0     8    0
nchpl      144     3774    0     2081    64     0    64    64     0     8    0
uvmvnodes   80     3372    0        0    69     0    69    69     0     8    0
vnodes     216     3372    0        0   188     0   188   188     0     8    0
namei      1024   13352    0    13350     2     1     1     2     0     8    0
percpumem   16       58    0       14     1     0     1     1     0     8    0
kstatmem   264       42    0       24     2     0     2     2     0     8    0
scsiplug    72        3    0        3     2     1     1     1     0     8    1
scxspl     216    11293    0    11293    10     5     5     8     1     8    5
plimitpl   152      258    0      240     1     0     1     1     0     8    0
sigapl     424     1049    0      980     8     0     8     8     0     8    0
futexpl     64     9448    0     9446     1     0     1     1     0     8    0
knotepl    120      542    0        0    17     0    17    17     0     8    0
kqueuepl   224      260    0      248     3     1     2     3     0     8    1
pipepl     336      216    0      189     8     0     8     8     0     8    5
fdescpl    520     1010    0      980     3     0     3     3     0     8    0
filepl     160     6190    0     5894    20     5    15    20     0     8    2
lockfpl    104      161    0      158     1     0     1     1     0     8    0
lockfspl    48       71    0       68     1     0     1     1     0     8    0
sessionpl  144       24    0       15     1     0     1     1     0     8    0
pgrppl      48       39    0       22     1     0     1     1     0     8    0
ucredpl    104      925    0      912     1     0     1     1     0     8    0
zombiepl   144      982    0      980     1     0     1     1     0     8    0
processpl  1216    1049    0      980     6     0     6     6     0     8    0
procpl     680     2024    0     1947     8     0     8     8     0     8    0
srpgc       96        9    0        9     1     0     1     1     0     8    1
sosppl     168        6    0        6     1     0     1     1     0     8    1
sockpl     728     1118    0     1047    11     0    11    11     0     8    4
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl9k      9216       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       2    0        0     1     0     1     1     0     8    0
mcl4k      4096     129    0        0    17     0    17    17     0     8    0
mcl2k      2048      29    0        0     4     0     4     4     0     8    0
mtagpl      96       79    0        0     2     0     2     2     0     8    0
mbufpl     256      444    0        0    28     0    28    28     0     8    0
bufpl      280     3480    0      127   240     0   240   240     0     8    0
anonpl      32    12851    0        0   104     0   104   104     0   246    0
amapchunkpl 152   25570    0    24985    31     0    31    31     0   158    6
amappl16   200     2222    0     1961    35     8    27    27     0     8    0
amappl15   192        1    0        1     1     1     0     1     0     8    0
amappl14   184      116    0      103     1     0     1     1     0     8    0
amappl13   176        4    0        4     1     1     0     1     0     8    0
amappl12   168     1688    0     1658     3     1     2     2     0     8    0
amappl11   160       52    0       37     1     0     1     1     0     8    0
amappl10   152       26    0       26     2     1     1     1     0     8    1
amappl9    144      256    0      256     1     1     0     1     0     8    0
amappl8    136       20    0       17     1     0     1     1     0     8    0
amappl7    128      109    0       97     1     0     1     1     0     8    0
amappl6    120      174    0      170     1     0     1     1     0     8    0
amappl5    112      139    0      129     1     0     1     1     0     8    0
amappl4    104      338    0      319     1     0     1     1     0     8    0
amappl3     96     5191    0     5080     5     1     4     4     0     8    0
amappl2     88      641    0      579     2     0     2     2     0     8    0
amappl1     80    10725    0    10127    15     2    13    14     0     8    0
amappl      88     7336    0     7160     5     0     5     5     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      254    0      254     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        5    0        1     1     0     1     1     0     8    0
uaddrrnd    24     1010    0      980     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1010    0      980     1     0     1     1     0     8    0
vmmpekpl   168     9879    0     9841     3     0     3     3     0     8    0
vmmpepl    168    67233    0    65051   114     4   110   110     0   357    4
vmsppl     480     1009    0      980     5     1     4     5     0     8    0
rwobjpl     72    22060    0    17514    84     0    84    84     0     8    0
pdppl      4096    2028    0     1960   104    32    72    84     0     8    4
pvpl        32    20056    0        0   162     0   162   162     0   265    0
pmappl     256     1009    0      980     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      424    0       38    12     0    12    12     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
copyout() at copyout+0x62
kern_sysctl_dirs(49,ffff80003c432c48,4,200000000100,ffff80003c432c78,0,95f8462c3f4f4597,4) at kern_sysctl_dirs+0x2ef sys/kern/kern_sysctl.c:426
kern_sysctl(ffff80003c432c44,5,200000000100,ffff80003c432c78,0,37,d6bc48461a8492b0) at kern_sysctl+0x145 sys/kern/kern_sysctl.c:522
sys_sysctl(ffff800035bf22a8,ffff80003c432db0,ffff80003c432d00) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
syscall(ffff80003c432db0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c432db0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x974b81f04b0, count: -6
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffff8000299edff0) 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.c:1218
sched_idle(ffff8000299edff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) 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.c:1218
sched_idle(ffff8000299edff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: -5

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/06 08:37 openbsd 8046d3831223 ae98e6b9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/28 21:34 openbsd 445fa8406dc8 aeb6ec69 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/26 11:46 openbsd d1a18d55f795 c6b4fb39 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/26 11:40 openbsd d1a18d55f795 c6b4fb39 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/24 14:40 openbsd 31338944480d 9c80ffa0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/24 05:56 openbsd 9244c012979b 9882047a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/23 20:40 openbsd 1b07127f5555 57d54c08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
2025/04/22 02:09 openbsd e8eeea37c7e6 552876f8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: copyout
* Struck through repros no longer work on HEAD.