syzbot


uvm_fault: ufs_direnter

Status: auto-obsoleted due to no activity on 2022/12/28 17:05
Reported-by: syzbot+e9cd3a337b5323f4c238@syzkaller.appspotmail.com
First crash: 130d, last: 130d

Sample crash report:
uvm_fault(0xffffffff829e9398, 0xffff80001e8ff00c, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_direnter+0x2c2:     movl    0(%r15),%ebx
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
  51415  55114      0           0          0    1  syz-executor.1
*127668    106      0           0  0x4000000    0K syz-executor.3
ufs_direnter(fffffd8063e06a20,fffffd806812b700,ffff80002e4a7f20,ffff80002e4a8250,fffffd8063c59c80) at ufs_direnter+0x2c2 sys/ufs/ufs/ufs_lookup.c:830
ufs_mkdir(ffff80002e4a80c0) at ufs_mkdir+0x708 sys/ufs/ufs/ufs_vnops.c:1239
VOP_MKDIR(fffffd8063e06a20,ffff80002e4a8220,ffff80002e4a8250,ffff80002e4a8150) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212b1a48,ffffff9c,20000040,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002e4a83d0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4a83d0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x54338af2190, count: 9
https://www.openbsd.org/ddb.html describes the minimum info required in bug
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ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffffff829e9398, 0xffff80001e8ff00c, 0, 1) -> d
ddb{0}> trace
ufs_direnter(fffffd8063e06a20,fffffd806812b700,ffff80002e4a7f20,ffff80002e4a8250,fffffd8063c59c80) at ufs_direnter+0x2c2 sys/ufs/ufs/ufs_lookup.c:830
ufs_mkdir(ffff80002e4a80c0) at ufs_mkdir+0x708 sys/ufs/ufs/ufs_vnops.c:1239
VOP_MKDIR(fffffd8063e06a20,ffff80002e4a8220,ffff80002e4a8250,ffff80002e4a8150) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212b1a48,ffffff9c,20000040,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002e4a83d0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4a83d0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x54338af2190, count: -6
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff80002e4a7f10
rbx               0xfffffd806805bd00
rdx                                0
rcx               0xfffffd8067806740
rax               0xffff8000212b1a48
r8                0xffffffffffffffff
r9                                 0
r10               0xeb236e7c9d0d0b2f
r11               0x7685e746b36b11cf
r12                                0
r13                             0x10
r14               0xfffffd8063406890
r15               0xffff80001e8ff00c
rip               0xffffffff8199d3d2    ufs_direnter+0x2c2
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff80002e4a7e50
ss                                 0
ufs_direnter+0x2c2:     movl    0(%r15),%ebx
ddb{0}> show proc
PROC (syz-executor.3) pid=127668 stat=onproc
    flags process=0 proc=4000000<THREAD>
    pri=17, usrpri=83, nice=20
    forw=0xffffffffffffffff, list=0xffff8000212b0008,0xffff8000212337b8
    process=0xffff80002129b1f0 user=0xffff80002e4a3000, vmspace=0xfffffd80685fee88
    estcpu=33, cpticks=1, pctcpu=0.0
    user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 32564  214415  61469      0  2           0                syz-executor.6
 55114   51415  93401      0  7           0                syz-executor.1
   106  126813  84271      0  2           0                syz-executor.3
*  106  127668  84271      0  7   0x4000000                syz-executor.3
   106  183392  84271      0  2   0x4000000                syz-executor.3
   106  488676  84271      0  3   0x4000080  fsleep        syz-executor.3
 87516  411092  65104      0  2           0                syz-executor.4
 87516  385541  65104      0  2   0x4000000                syz-executor.4
 75235  154422  89169      0  2           0                syz-executor.2
 75235  339575  89169      0  2   0x4000000                syz-executor.2
 75235  377542  89169      0  3   0x4000080  fsleep        syz-executor.2
 17118  136641   7390      0  2           0                syz-executor.0
 17118  219137   7390      0  2   0x4000000                syz-executor.0
 17118  461108   7390      0  3   0x4000080  fsleep        syz-executor.0
 55150   96484  35670      0  2           0                syz-executor.5
 73784  188019  37096      0  2           0                syz-executor.7
 61469   54988  37357      0  2         0x2                syz-executor.6
 84271   21908  37357      0  2         0x2                syz-executor.3
 37096  259828  37357      0  3        0x82  nanoslp       syz-executor.7
 57591  186394      0      0  3     0x14200  acct          acct
 93401  504421  37357      0  3        0x82  nanoslp       syz-executor.1
 65104   75732  37357      0  3        0x82  nanoslp       syz-executor.4
 35670  333914  37357      0  3        0x82  nanoslp       syz-executor.5
  7390  155725  37357      0  3        0x82  nanoslp       syz-executor.0
 89169  493893  37357      0  3        0x82  nanoslp       syz-executor.2
 33364  121037      1      0  3    0x100083  ttyin         getty
 31010  462355      0      0  3     0x14280  nfsidl        nfsio
 75626  187918      0      0  3     0x14280  nfsidl        nfsio
 54701  370146      0      0  3     0x14280  nfsidl        nfsio
 52711  212797      0      0  3     0x14280  nfsidl        nfsio
 71521  513567      0      0  3     0x14280  nfsidl        nfsio
 53610   61745      0      0  3     0x14280  nfsidl        nfsio
 29685  330505      0      0  3     0x14280  nfsidl        nfsio
 34766  505032      0      0  3     0x14280  nfsidl        nfsio
 59857  137834      0      0  3     0x14280  nfsidl        nfsio
 10624  106494      0      0  3     0x14280  nfsidl        nfsio
 20038   49796      0      0  3     0x14280  nfsidl        nfsio
 90394  274422      0      0  3     0x14280  nfsidl        nfsio
 49675  413715      0      0  3     0x14280  nfsidl        nfsio
 44287  145825      0      0  3     0x14280  nfsidl        nfsio
 95942   95247      0      0  3     0x14280  nfsidl        nfsio
 91913  202692      0      0  3     0x14280  nfsidl        nfsio
 53810  212970      0      0  3     0x14280  nfsidl        nfsio
 71395   77098      0      0  3     0x14280  nfsidl        nfsio
 68717   29295      0      0  3     0x14280  nfsidl        nfsio
 83255  431399      0      0  3     0x14280  nfsidl        nfsio
 69681  297044      0      0  3     0x14200  bored         sosplice
 37357  167622  83129      0  3        0x82  thrsleep      syz-fuzzer
 37357  509140  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357  487190  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  435183  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357   84400  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357  487137  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357  187837  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  134439  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357  442838  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  429185  83129      0  3   0x4000082  thrsleep      syz-fuzzer
 37357  508671  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  487979  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  430055  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  212955  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  448440  83129      0  3   0x4000082  wait          syz-fuzzer
 37357  260879  83129      0  3   0x4000082  kqread        syz-fuzzer
 83129   47364  84725      0  3    0x10008a  sigsusp       ksh
 84725  403007  94764      0  3        0x9a  kqread        sshd
 94764   95464      1      0  3        0x88  kqread        sshd
 69520   97199  21724     74  3   0x1100092  bpf           pflogd
 21724  106465      1      0  3        0x80  netio         pflogd
 72841   70730  92679     73  3   0x1100090  kqread        syslogd
 92679  140824      1      0  3    0x100082  netio         syslogd
 96820  346733      1      0  3    0x100080  kqread        resolvd
  5396   66896  34227     77  3    0x100092  kqread        dhcpleased
 88229   42656  34227     77  3    0x100092  kqread        dhcpleased
 34227  127993      1      0  3        0x80  kqread        dhcpleased
 56105  111923      0      0  3     0x14200  bored         smr
 88177  242237      0      0  2     0x14200                zerothread
 50514   66247      0      0  3     0x14200  aiodoned      aiodoned
 73093  374233      0      0  3     0x14200  syncer        update
 95854  197746      0      0  3     0x14200  cleaner       cleaner
 28845  338858      0      0  3     0x14200  reaper        reaper
 62300   77120      0      0  3     0x14200  pgdaemon      pagedaemon
 94652  229159      0      0  3     0x14200  bored         viomb
 29656  289838      0      0  3  0x40014200  acpi0         acpi0
 84497  522291      0      0  3  0x40014200                idle1
 23516  232642      0      0  3     0x14200  bored         softnet
   667  487326      0      0  3     0x14200  bored         softnet
 37028  199280      0      0  3     0x14200  bored         softnet
 16826   73401      0      0  3     0x14200  bored         softnet
 79506   57315      0      0  3     0x14200  bored         systqmp
 55652  263126      0      0  3     0x14200  bored         systq
 86789   68158      0      0  3  0x40014200  bored         softclock
 50985   49469      0      0  3  0x40014200                idle0
     1  435294      0      0  3     0x80082  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 106 (syz-executor.3) thread 0xffff8000212b1a48 (127668)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff829fa768)
#0  witness_lock+0x44d
#1  __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2  mi_switch+0x3bb sys/kern/sched_bsd.c:415
#3  sleep_finish+0x180 sys/kern/kern_synch.c:417
#4  tsleep+0x12c sys/kern/kern_synch.c:155
#5  biowait+0x91 sys/kern/vfs_bio.c:1268
#6  bwrite+0x21b sys/kern/vfs_bio.c:769
#7  VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
#8  ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
#9  VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#11 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#11 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd80763bdd68)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4  ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6  ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7  ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8  VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9  domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8063406928)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6  namei+0x36a sys/kern/vfs_lookup.c:244
#7  domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8  syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8  syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10227   6499K    7426K  78643K     37437        0
            pcb    13     14K      16K  78643K      1205        0
         rtable   232     15K      16K  78643K      2838        0
         ifaddr   176     39K      39K  78643K      1026        0
         sysctl     2      0K       0K  78643K         4        0
       counters    58     35K      36K  78643K       302        0
       ioctlops     0      0K       8K  78643K      5636        0
            iov     0      0K      40K  78643K      1318        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1470     92K      92K  78643K      9502        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       9K  78643K        51        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K      1796        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    18     65K      85K  78643K      8334        0
          sigio     0      0K       0K  78643K       204        0
           proc    72     91K     115K  78643K      1957        0
        subproc   104      6K       6K  78643K       617        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K       634        0
       in_multi    84      5K       6K  78643K       713        0
    ether_multi     1      0K       0K  78643K        50        0
            mrt     1      0K       0K  78643K        41        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys   187    837K     837K  78643K       187        0
           exec     0      0K       2K  78643K      2651        0
            tdb     3      0K       0K  78643K         3        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     8     62K      64K  78643K        10        0
       UVM amap   448    615K     615K  78643K     53116        0
       UVM aobj    96      3K       3K  78643K       117        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       218        0
            NDP    16      0K       1K  78643K       228        0
           temp   145   4734K    5759K  78643K    108336        0
         kqueue    12     18K      28K  78643K       597        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       22    0        0     1     0     1     1     0     8    0
rtpcb      120     1557    0     1554    18    17     1     3     0     8    0
rtentry    112      687    0      598     4     1     3     4     0     8    0
unpcb      144     6783    0     6768    72    71     1     6     0     8    0
syncache   296       56    0       56    12    12     0     1     0     8    0
tcpqe       32       70    0       70     7     7     0     1     0     8    0
tcpcb      768     3269    0     3265   101   100     1    18     0     8    0
arp        120      106    0       90     1     0     1     1     0     8    0
inpcb      368     7520    0     7513   119   118     1    13     0     8    0
nd6         48      154    0      135     1     0     1     1     0     8    0
pkpcb       40       43    0       43     3     3     0     1     0     8    0
kcovpl      48       47    0       39     1     0     1     1     0     8    0
ppxss      1256      57    0       57    13    12     1     1     0     8    1
pfstscr     40       29    0       21     1     0     1     1     0     8    0
pffrag     232       63    0       62     4     3     1     1     0   482    0
pffrnode    88       63    0       62     4     3     1     1     0     8    0
pffrent     40      133    0      132     5     4     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      75    0       63     4     3     1     2     0     8    0
pfanchor   1280     553   16       41    44     1    43    43     0     8    0
pftag       88        3    0        0     1     0     1     1     0     8    0
pfstitem    24       78    0       68     1     0     1     1     0     8    0
pfstkey    120      106    0      100     2     0     2     2     0     8    0
pfstate    336       83    0       77     4     2     2     4     0     8    0
pfrule     1360    1037    0      766    25     2    23    23     0     8    0
rttmr      136       15    0       15     5     5     0     1     0     8    0
art_heap8  4096       7    0        6     6     5     1     3     0     8    0
art_heap4  256     3025    0     2603    47    19    28    30     0     8    0
art_table   32     3032    0     2609     4     0     4     4     0     8    0
art_node    16      682    0      604     1     0     1     1     0     8    0
sysvmsgpl   40       56    0       16     1     0     1     1     0     8    0
semapl     112     1794    0     1784     1     0     1     1     0     8    0
shmpl      112      114    0       29     3     0     3     3     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    12661    0    11180    93     0    93    93     0     8    0
ffsino     272    12661    0    11180    99     0    99    99     0     8    0
nchpl      144    23185    0    21533    63     0    63    63     0     8    0
rtmask      32        9    0        9     3     3     0     1     0     8    0
uvmvnodes   80     5926    0        0   121     0   121   121     0     8    0
vnodes     216     5926    0        0   330     0   330   330     0     8    0
namei      1024   89106    0    89105     4     3     1     2     0     8    0
percpumem   16      163    0      122     1     0     1     1     0     8    0
vcpupl     2048      46    0        0     6     0     6     6     0     8    0
vmpool     568       57    0       11     5     1     4     4     0     8    0
pfiaddrpl  120       34    0       15     2     1     1     1     0     8    0
kstatmem   264      248    0      216     3     0     3     3     0     8    0
scsiplug    72       11    0       11     4     4     0     1     0     8    0
scxspl     216    78399    0    78399    21    20     1     8     0     8    1
plimitpl   152      969    0      953     1     0     1     1     0     8    0
sigapl     424     8603    0     8533     8     0     8     8     0     8    0
futexpl     64    77491    0    77488     1     0     1     1     0     8    0
knotepl    120      711    0        0    17     0    17    17     0     8    0
kqueuepl   216     1565    0     1557    31    30     1     5     0     8    0
pipepl     320     1352    0     1324    45    42     3     8     0     8    0
fdescpl    496     8544    0     8513     9     5     4     5     0     8    0
filepl     152    61060    0    60818    73    60    13    19     0     8    3
lockfpl    104     1998    0     1996     4     3     1     2     0     8    0
lockfspl    48      614    0      612     1     0     1     1     0     8    0
sessionpl  144       64    0       47     1     0     1     1     0     8    0
pgrppl      48      333    0      316     1     0     1     1     0     8    0
ucredpl    104     9721    0     9706     1     0     1     1     0     8    0
zombiepl   144     8533    0     8533     3     2     1     1     0     8    1
processpl  1064    8603    0     8533     5     0     5     5     0     8    0
procpl     672    25807    0    25714    17     8     9    10     0     8    0
srpgc       96       63    0       63    15    15     0     1     0     8    0
sosppl     168       20    0       20     5     5     0     1     0     8    0
sockpl     488    15911    0    15886   286   282     4    28     0     8    0
mcl64k     65536     17    0        0     3     0     3     3     0     8    0
mcl16k     16384     17    0        0     3     0     3     3     0     8    0
mcl12k     12288     33    0        0     2     0     2     2     0     8    0
mcl9k      9216      24    0        0     2     0     2     2     0     8    0
mcl8k      8192      42    0        0     5     2     3     3     0     8    0
mcl4k      4096      31    0        0     3     0     3     3     0     8    0
mcl2k2     2112      10    0        0     1     0     1     1     0     8    0
mcl2k      2048     413    0        0    50    11    39    50     0     8    0
mtagpl      96      577    0        0    12     0    12    12     0     8    0
mbufpl     256     3163    0        0   178     0   178   178     0     8    0
bufpl      288    15774    0     9435   454     0   454   454     0     8    0
anonpl      24  1686126    0  1668981   178    55   123   139     0   186    0
amapchunkpl 152  151515    0   150743    70    37    33    46     0   158    0
amappl16   200    22519    0    21926    83    47    36    44     0     8    0
amappl15   192     2482    0     2478     1     0     1     1     0     8    0
amappl14   184     2198    0     2186     1     0     1     1     0     8    0
amappl13   176      574    0      571     1     0     1     1     0     8    0
amappl12   168      325    0      322     2     1     1     1     0     8    0
amappl11   160      610    0      589     4     3     1     2     0     8    0
amappl10   152      426    0      422     1     0     1     1     0     8    0
amappl9    144     1716    0     1707     1     0     1     1     0     8    0
amappl8    136     3394    0     3291     4     0     4     4     0     8    0
amappl7    128     2321    0     2290     3     1     2     2     0     8    0
amappl6    120     1627    0     1608     2     1     1     2     0     8    0
amappl5    112     6586    0     6568     1     0     1     1     0     8    0
amappl4    104     3834    0     3792     2     0     2     2     0     8    0
amappl3     96    26306    0    26254     2     0     2     2     0     8    0
amappl2     88     8976    0     8907     3     1     2     3     0     8    0
amappl1     80   208882    0   208092    26     8    18    23     0     8    0
amappl      88    51802    0    51567     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      116    0       21     2     0     2     2     0     8    0
uaddrrnd    24     8602    0     8525     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     8602    0     8525     1     0     1     1     0     8    0
vmmpekpl   168    73481    0    73415     4     0     4     4     0     8    0
vmmpepl    168   851185    0   848085   296   152   144   163     0   357    0
vmsppl     368     8601    0     8525     8     1     7     7     0     8    0
rwobjpl     56   218269    0   210371   124    11   113   116     0     8    0
pdppl      4096   17211    0    17096   555   440   115   115     0     8    0
pvpl        32  3555092    0  3533283   376   178   198   265     0   265    0
pmappl     248     8601    0     8525     6     1     5     5     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112     1681    0      617    32     1    31    31     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ufs_direnter(fffffd8063e06a20,fffffd806812b700,ffff80002e4a7f20,ffff80002e4a8250,fffffd8063c59c80) at ufs_direnter+0x2c2 sys/ufs/ufs/ufs_lookup.c:830
ufs_mkdir(ffff80002e4a80c0) at ufs_mkdir+0x708 sys/ufs/ufs/ufs_vnops.c:1239
VOP_MKDIR(fffffd8063e06a20,ffff80002e4a8220,ffff80002e4a8250,ffff80002e4a8150) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212b1a48,ffffff9c,20000040,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002e4a83d0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4a83d0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x54338af2190, count: -6
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a 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+0x23
__mp_lock(ffffffff829fa560) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829fa560) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002962a920) at syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
syscall(ffff80002962a920) at syscall+0x41d sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb560, count: 9
ddb{1}> trace
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a 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+0x23
__mp_lock(ffffffff829fa560) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829fa560) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002962a920) at syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
syscall(ffff80002962a920) at syscall+0x41d sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb560, count: -6

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-openbsd-multicore 2022/09/29 17:05 openbsd cc17eeafc2ef 45fd7169 .config console log report [disk image] [bsd.gdb] [kernel image] uvm_fault: ufs_direnter
* Struck through repros no longer work on HEAD.