syzbot


uvm_fault: VOP_BWRITE

Status: upstream: reported on 2024/03/17 05:01
Reported-by: syzbot+ba583e88f684f2283a6c@syzkaller.appspotmail.com
First crash: 87d, last: 87d

Sample crash report:
uvm_fault(0xfffffd8064c4b8f0, 0x38, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      VOP_BWRITE+0x34:        movq    0x38(%rax),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 34325   8900      0         0x2          0    0  syz-executor.5
 458471  69782      0         0x2          0    1  syz-executor.6
VOP_BWRITE(fffffd8065413040) at VOP_BWRITE+0x34 sys/kern/vfs_vops.c:637
ufs_mkdir(ffff800031f0be80) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175
VOP_MKDIR(fffffd8074a166d8,ffff800031f0bfe0,ffff800031f0c010,ffff800031f0bf10) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a21ad38,ffffff9c,7a2a4477f200,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
syscall(ffff800031f0c190) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff800031f0c190) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a2a4477f270, 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(0xfffffd8064c4b8f0, 0x38, 0, 1) -> e
ddb{0}> trace
VOP_BWRITE(fffffd8065413040) at VOP_BWRITE+0x34 sys/kern/vfs_vops.c:637
ufs_mkdir(ffff800031f0be80) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175
VOP_MKDIR(fffffd8074a166d8,ffff800031f0bfe0,ffff800031f0c010,ffff800031f0bf10) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a21ad38,ffffff9c,7a2a4477f200,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
syscall(ffff800031f0c190) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff800031f0c190) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a2a4477f270, count: -6
ddb{0}> show registers
rdi               0xfffffd8065413040
rsi                                0
rbp               0xffff800031f0bce0
rbx                              0x2
rdx                                0
rcx               0xffff80002a21ad38
rax                                0
r8                 0x101010101010101
r9                                 0
r10               0xffff80002a267d90
r11               0xb8b5135d52244374
r12               0xfffffd806b2c4bb8
r13                           0xcabc    __ALIGN_SIZE+0xbabc
r14               0xfffffd8065413040
r15               0xfffffd806b2c4338
rip               0xffffffff8233c9c4    VOP_BWRITE+0x34
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800031f0bcb0
ss                              0x10
VOP_BWRITE+0x34:        movq    0x38(%rax),%r14
ddb{0}> show proc
PROC (syz-executor.5) tid=34325 pid=8900 tcnt=1 stat=onproc
    flags process=2<EXEC> proc=0
    runpri=17, usrpri=83, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0
    forw=0xffffffffffffffff, list=0xffff80002a2192a8,0xffff80002a20a570
    process=0xffff8000ffff1f28 user=0xffff800031f07000, vmspace=0xfffffd8064c4b8f0
    estcpu=36, cpticks=0, pctcpu=0.1, user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 80114   56174  69782      0  2           0                syz-executor.6
 80114  296209  69782      0  2   0x4000000                syz-executor.6
 14879  110540  44568      0  2           0                syz-executor.1
 14879  243079  44568      0  3   0x4000080  netcon        syz-executor.1
 93944  168215  53973      0  2           0                syz-executor.4
 93944  460019  53973      0  3   0x4000080  fsleep        syz-executor.4
 42670  258358  80823      0  2           0                syz-executor.3
 42670  180702  80823      0  2   0x4000000                syz-executor.3
  8703  321191   2883      0  2           0                syz-executor.0
  8703  299557   2883      0  3   0x4000080  fsleep        syz-executor.0
  8703  260777   2883      0  3   0x4000080  fsleep        syz-executor.0
 33688  167521      0      0  3     0x14280  nfsidl        nfsio
 65645  486365      0      0  3     0x14280  nfsidl        nfsio
 49409  472373      0      0  3     0x14280  nfsidl        nfsio
 63059  458659      0      0  3     0x14280  nfsidl        nfsio
 45686  511796      0      0  3     0x14280  nfsidl        nfsio
 91150  419243      0      0  3     0x14280  nfsidl        nfsio
 96327  157019      0      0  3     0x14280  nfsidl        nfsio
 86891  172716      0      0  3     0x14280  nfsidl        nfsio
  9005  420106      0      0  3     0x14280  nfsidl        nfsio
 15924  110493      0      0  3     0x14280  nfsidl        nfsio
 14590  329702      0      0  3     0x14280  nfsidl        nfsio
 53192  312705      0      0  3     0x14280  nfsidl        nfsio
 12476   24528      0      0  3     0x14280  nfsidl        nfsio
 98623  102333      0      0  3     0x14280  nfsidl        nfsio
 26281  246025      0      0  3     0x14280  nfsidl        nfsio
 63889  110170      0      0  3     0x14280  nfsidl        nfsio
 93819  354434      0      0  3     0x14280  nfsidl        nfsio
 34711   93355      0      0  3     0x14280  nfsidl        nfsio
  3210  426624      0      0  3     0x14280  nfsidl        nfsio
 60125   71509      0      0  3     0x14280  nfsidl        nfsio
  2883  517999  19059      0  3        0x82  nanoslp       syz-executor.0
 53973  126597  19059      0  3        0x82  nanoslp       syz-executor.4
 13352   26769      1      0  3        0x80  fsleep        syz-executor.4
 13352  459274      1      0  3   0x4000080  kqread        syz-executor.4
* 8900   34325  19059      0  7         0x2                syz-executor.5
 44568  122488  19059      0  3        0x82  nanoslp       syz-executor.1
 66871    2978  19059      0  2         0x2                syz-executor.2
 80823  432891  19059      0  3        0x82  nanoslp       syz-executor.3
 61698   61225      1      0  3    0x100083  ttyin         getty
 93234  105515      0      0  3     0x14200  bored         sosplice
 87595  480225  19059      0  2         0x2                syz-executor.7
 69782  458471  19059      0  7         0x2                syz-executor.6
 19059  169728  31930      0  3   0x2000082  thrsleep      syz-fuzzer
 19059   96525  31930      0  3   0x6000082  nanoslp       syz-fuzzer
 19059  119685  31930      0  3   0x6000082  thrsleep      syz-fuzzer
 19059  140146  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  224129  31930      0  3   0x6000082  thrsleep      syz-fuzzer
 19059  110226  31930      0  3   0x6000082  thrsleep      syz-fuzzer
 19059   35343  31930      0  3   0x6000082  kqread        syz-fuzzer
 19059  298943  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  236403  31930      0  3   0x6000082  wait          syz-fuzzer
 19059   61540  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  358761  31930      0  3   0x6000082  thrsleep      syz-fuzzer
 19059   17264  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  501652  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  216657  31930      0  3   0x6000082  wait          syz-fuzzer
 19059   49175  31930      0  3   0x6000082  wait          syz-fuzzer
 19059  515449  31930      0  3   0x6000082  thrsleep      syz-fuzzer
 31930  491273  59386      0  3    0x10008a  sigsusp       ksh
 59386  333699  23986      0  3        0x9a  kqread        sshd
 23986  403619      1      0  3        0x88  kqread        sshd
 10119  260980  46731     74  3   0x1100092  bpf           pflogd
 46731  318641      1      0  3        0x80  netio         pflogd
 68610  451908  76314     73  3   0x1100090  kqread        syslogd
 76314  256473      1      0  3    0x100082  netio         syslogd
 72650  505876      1      0  3    0x100080  kqread        resolvd
 53128  221798  16163     77  3    0x100092  kqread        dhcpleased
  4205  319557  16163     77  3    0x100092  kqread        dhcpleased
 16163  461118      1      0  3        0x80  kqread        dhcpleased
 77037  386013      0      0  3     0x14200  bored         smr
 82943  265739      0      0  2     0x14200                zerothread
 29028  102228      0      0  3     0x14200  aiodoned      aiodoned
 60187  238729      0      0  3     0x14200  syncer        update
 61644  152850      0      0  3     0x14200  cleaner       cleaner
 41934  116463      0      0  3     0x14200  reaper        reaper
 65144   11516      0      0  3     0x14200  pgdaemon      pagedaemon
 90805  512828      0      0  3     0x14200  bored         viomb
 18220  428919      0      0  3  0x40014200  acpi0         acpi0
 52937  167686      0      0  3  0x40014200                idle1
 71077  204428      0      0  3     0x14200  bored         softnet3
 18468  413309      0      0  3     0x14200  bored         softnet2
  5142  508053      0      0  3     0x14200  bored         softnet1
 72410  427809      0      0  3     0x14200  bored         softnet0
 30320  254057      0      0  3     0x14200  bored         systqmp
  5431  324562      0      0  3     0x14200  bored         systq
 47723  361839      0      0  3     0x14200  tmoslp        softclockmp
 67142  320722      0      0  3  0x40014200  tmoslp        softclock
 57661   14198      0      0  3  0x40014200                idle0
     1  521040      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 8900 (syz-executor.5) thread 0xffff80002a21ad38 (34325)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82dc1350)
#0  witness_lock+0x447
#1  __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2  mi_switch+0x46f sys/kern/sched_bsd.c:470
#3  sleep_finish+0x19b sys/kern/kern_synch.c:414
#4  biowait+0x91 sys/kern/vfs_bio.c:1254
#5  bwrite+0x21c sys/kern/vfs_bio.c:766
#6  ffs_update+0x28b sys/ufs/ffs/ffs_inode.c:111
#7  ufs_mkdir+0x517 sys/ufs/ufs/ufs_vnops.c:1175
#8  VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9  domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
#10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b2c43d0)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6  ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127
#8  VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9  domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
#10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b2c4c50)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6  namei+0x55a sys/kern/vfs_lookup.c:250
#7  domkdirat+0x79 sys/kern/vfs_syscalls.c:3054
#8  syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#8  syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10196   6550K    6997K 166960K     16080        0
            pcb    15     16K      18K 166960K       217        0
         rtable   228      7K       7K 166960K       688        0
             pf    34      9K      10K 166960K        96        0
         ifaddr    45     15K      15K 166960K       103        0
        ifgroup    59      2K       2K 166960K       144        0
         sysctl     2      0K       0K 166960K         2        0
       counters    66     36K      36K 166960K       116        0
       ioctlops     0      0K       4K 166960K      1586        0
            iov     0      0K      16K 166960K       131        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1417     89K      89K 166960K      2756        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K        31        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K       166        0
        dirhash    12      2K       2K 166960K        15        0
           ACPI  1697    195K     286K 166960K     12548        0
      file desc    16     57K      89K 166960K      2607        0
          sigio     0      0K       0K 166960K       137        0
           proc    69     91K     115K 166960K       800        0
        subproc   117      7K       7K 166960K       208        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       165        0
       in_multi    88      6K       7K 166960K       216        0
    ether_multi     1      0K       0K 166960K         1        0
            mrt     1      0K       0K 166960K         3        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       1K 166960K       756        0
     pfkey data     0      0K       0K 166960K        35        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   382    224K     241K 166960K     28019        0
       UVM aobj   131      4K       4K 166960K       131        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       1K 166960K       198        0
            NDP    13      0K       1K 166960K        70        0
           temp    78   6772K    6851K 166960K     23355        0
         kqueue    13     20K      24K 166960K       221        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       24    0        0     1     0     1     1     0     8    0
rtpcb      120      226    0      223     4     3     1     4     0     8    0
rtentry    112      224    0      120     4     0     4     4     0     8    0
unpcb      144     2523    0     2506    21    20     1     6     0     8    0
syncache   336       12    0       12     5     5     0     1     0     8    0
tcpqe       32      102    0      102     3     3     0     1     0     8    0
tcpcb      808      511    0      503    14    12     2     8     0     8    0
arp        120       42    0       24     1     0     1     1     0     8    0
inpcb      392     1938    0     1927    46    37     9    15     0     8    7
nd6        136       49    0       28     1     0     1     1     0     8    0
pkpcb       40       10    0       10     3     2     1     1     0     8    1
kcovpl      48       16    0        7     1     0     1     1     0     8    0
ppxss      1168       9    0        9     2     2     0     1     0     8    0
pffrag     232       37    0       37     1     1     0     1     0   482    0
pffrnode    88       37    0       37     1     1     0     1     0     8    0
pffrent     40       80    0       80     1     1     0     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfstitem    24      108    0       99     1     0     1     1     0     8    0
pfstkey    128      108    0       99     2     0     2     2     0     8    0
pfstate    376      108    0       99     6     3     3     6     0     8    0
pfrule     1344      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      842    0      421    32     5    27    30     0     8    0
art_table   32      843    0      421     4     0     4     4     0     8    0
art_node    16      223    0      134     1     0     1     1     0     8    0
semapl     112      164    0      154     1     0     1     1     0     8    0
shmpl      112      128    0        0     4     0     4     4     0     8    0
dirhash    1024      19    0        2     3     0     3     3     0     8    0
dino2pl    256     4630    0     3177    92     0    92    92     0     8    0
ffsino     272     4630    0     3177    98     0    98    98     0     8    0
nchpl      144     8256    0     6603    64     0    64    64     0     8    0
uvmvnodes   80     5880    0        0   120     0   120   120     0     8    0
vnodes     216     5880    0        0   327     0   327   327     0     8    0
vnodes: pool(0xffffffff82dd0b38:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd80715f0f90 (p 0xfffffd80715f0000)
namei      1024   26619    0    26618     2     1     1     2     0     8    0
percpumem   16       72    0       25     1     0     1     1     0     8    0
vcpupl     2048      46    0        1     6     0     6     6     0     8    0
vmpool     696       49    0        4     5     0     5     5     0     8    0
kstatmem   264       76    0       50     2     0     2     2     0     8    0
scxspl     216    24731    0    24731    13    10     3     8     1     8    3
plimitpl   152      254    0      235     1     0     1     1     0     8    0
sigapl     424     2935    0     2867     8     0     8     8     0     8    0
futexpl     64    20664    0    20660     1     0     1     1     0     8    0
knotepl    120      134    0        0     4     0     4     4     0     8    0
kqueuepl   216      725    0      715    16    13     3     6     0     8    2
pipepl     320      353    0      324     8     5     3     8     0     8    0
fdescpl    496     2895    0     2866     7     2     5     5     0     8    0
filepl     152    15911    0    15640    34    19    15    18     0     8    4
lockfpl    104      523    0      520     2     1     1     2     0     8    0
lockfspl    48      237    0      234     1     0     1     1     0     8    0
sessionpl  144       33    0       15     1     0     1     1     0     8    0
pgrppl      48      174    0      156     1     0     1     1     0     8    0
ucredpl    104     1741    0     1729     1     0     1     1     0     8    0
zombiepl   144     2867    0     2867     1     0     1     1     0     8    1
processpl  1136    2935    0     2867     6     0     6     6     0     8    0
procpl     680     7405    0     7315    10     1     9     9     0     8    0
srpgc       96       12    0       12     3     3     0     1     0     8    0
sosppl     168       29    0       29     6     6     0     1     0     8    0
sockpl     584     4700    0     4669    60    50    10    17     0     8    7
mcl64k     65536     11    0        0     2     0     2     2     0     8    0
mcl16k     16384      9    0        0     2     0     2     2     0     8    0
mcl12k     12288     24    0        0     2     0     2     2     0     8    0
mcl9k      9216      10    0        0     1     0     1     1     0     8    0
mcl8k      8192      12    0        0     2     0     2     2     0     8    0
mcl4k      4096      21    0        0     3     0     3     3     0     8    0
mcl2k2     2112       5    0        0     1     0     1     1     0     8    0
mcl2k      2048     258    0        0    33     0    33    33     0     8    0
mtagpl      96      200    0        0     4     0     4     4     0     8    0
mbufpl     256      572    0        0    29     0    29    29     0     8    0
bufpl      280     7865    0     1547   452     0   452   452     0     8    0
anonpl      24   414878    0   399445   102     5    97    97     0   186    0
amapchunkpl 152   90006    0    89087    53    13    40    48     0   158    0
amappl16   200     8937    0     8444    27     1    26    26     0     8    0
amappl15   192       47    0       45     2     1     1     1     0     8    0
amappl14   184      194    0      180     2     1     1     2     0     8    0
amappl13   176       57    0       57     2     2     0     1     0     8    0
amappl12   168     3719    0     3687     3     1     2     2     0     8    0
amappl11   160       79    0       64     1     0     1     1     0     8    0
amappl10   152       42    0       30     2     1     1     1     0     8    0
amappl9    144      210    0      209     2     1     1     1     0     8    0
amappl8    136      316    0      242     3     0     3     3     0     8    0
amappl7    128      205    0      176     3     1     2     3     0     8    0
amappl6    120      385    0      374     1     0     1     1     0     8    0
amappl5    112      189    0      177     1     0     1     1     0     8    0
amappl4    104      547    0      521     2     1     1     2     0     8    0
amappl3     96    17469    0    17373     3     0     3     3     0     8    0
amappl2     88     3446    0     3367     3     1     2     3     0     8    0
amappl1     80    19265    0    18700    23    10    13    23     0     8    0
amappl      88    27349    0    27093     7     0     7     7     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      130    0        0     3     0     3     3     0     8    0
uaddrrnd    24     2944    0     2870     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2944    0     2870     1     0     1     1     0     8    0
vmmpekpl   168    26755    0    26684     4     0     4     4     0     8    0
vmmpepl    168   193860    0   191366   182    67   115   145     0   357    1
vmsppl     448     2943    0     2870    11     2     9     9     0     8    0
rwobjpl     56    58575    0    50915   110     2   108   108     0     8    0
pdppl      4096    5895    0     5785   299   183   116   117     0     8    6
pvpl        32    42173    0        0   341     0   341   341     0   265    0
pmappl     248     2943    0     2870     6     1     5     5     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      709    0      263    13     0    13    13     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
VOP_BWRITE(fffffd8065413040) at VOP_BWRITE+0x34 sys/kern/vfs_vops.c:637
ufs_mkdir(ffff800031f0be80) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175
VOP_MKDIR(fffffd8074a166d8,ffff800031f0bfe0,ffff800031f0c010,ffff800031f0bf10) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a21ad38,ffffff9c,7a2a4477f200,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
syscall(ffff800031f0c190) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff800031f0c190) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a2a4477f270, count: -6
ddb{0}> machine ddbcpu 1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/17 05:00 openbsd 632cdb5f09c2 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: VOP_BWRITE
* Struck through repros no longer work on HEAD.