syzbot


uvm_fault: ffs_freefile (2)

Status: upstream: reported on 2025/09/13 07:10
Reported-by: syzbot+ed0ea0fcde12bcfb61f2@syzkaller.appspotmail.com
First crash: 2d12h, last: 2d12h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: ffs_freefile -1 2 366d 367d 0/3 auto-obsoleted due to no activity on 2024/12/13 12:31

Sample crash report:
login: uvm_fault(0xffffffff838fce98, 0xffff800025152004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ffs_freefile+0x11e:     movl    0x4(%rbx),%r13d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 216160  21334      0           0          0    1  syz-executor
* 49812  36634      0         0x2          0    0K syz-executor
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd806e1c8ad0,19646,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a370260) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd807394ae70,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd807394ae70) at vput+0xe5 sys/kern/vfs_subr.c:796
VOP_REMOVE(fffffd807394a528,fffffd807394ae70,ffff80002a3703c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7651f19de1e0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
syscall(ffff80002a370540) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a370540) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7651f19de690, count: 6
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(0xffffffff838fce98, 0xffff800025152004, 0, 1) -> d
ddb{0}> trace
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd806e1c8ad0,19646,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a370260) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd807394ae70,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd807394ae70) at vput+0xe5 sys/kern/vfs_subr.c:796
VOP_REMOVE(fffffd807394a528,fffffd807394ae70,ffff80002a3703c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7651f19de1e0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
syscall(ffff80002a370540) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a370540) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7651f19de690, count: -9
ddb{0}> show registers
rdi                                0
rsi                                0
rbp               0xffff80002a3701a0
rbx               0xffff800025152000
rdx                                0
rcx               0xffff8000fffefca0
rax               0xfffffd805e75f488
r8                0xffffffffffffffff
r9                                 0
r10               0x913667fdc0d1aee9
r11               0xb19c27e42fb7be5a
r12                              0x4
r13                                0
r14               0xffff800000b2d800
r15                          0x19646    acpi_pdirpa+0x54b7
rip               0xffffffff8133670e    ffs_freefile+0x11e
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff80002a370110
ss                              0x10
ffs_freefile+0x11e:     movl    0x4(%rbx),%r13d
ddb{0}> show proc
PROC (syz-executor) tid=49812 pid=36634 tcnt=1 stat=onproc
    flags process=2<EXEC> proc=0
    runpri=17, usrpri=86, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff80002a272fa0,0xffff8000fffefa18
    process=0xffff8000ffff5818 user=0xffff80002a36b000, vmspace=0xfffffd800b0271e8
    estcpu=36, cpticks=56, pctcpu=0.26, user=0, sys=54, intr=1
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 39089  149822    283      0  2           0                syz-executor
 21334  216160  53926      0  7           0                syz-executor
 21334  304664  53926      0  2   0x4000000                syz-executor
 36441   32873  78531      0  2       0xc90                syz-executor
 36441  115929  78531      0  3   0x4000090  ttyin         syz-executor
 36441  286827  78531      0  3   0x4000090  ttyin         syz-executor
 36441  212494  78531      0  3   0x4000090  fsleep        syz-executor
 36441  307633  78531      0  3   0x4000090  fsleep        syz-executor
 21473  480686  41373      0  2           0                syz-executor
 21473  399459  41373      0  2   0x4000000                syz-executor
 21473   69680  41373      0  3   0x4000080  fsleep        syz-executor
 76490  115490  92025      0  2       0xc80                syz-executor
 76490  362379  92025      0  3   0x4000080  kqread        syz-executor
 76490  373993  92025      0  3   0x4000080  fsleep        syz-executor
 66822  193078      0      0  3     0x14200  acct          acct
  3690  416914  65181      0  2           0                syz-executor
  3690  210397  65181      0  3   0x4000080  fsleep        syz-executor
  3690  277108  65181      0  3   0x4000080  fsleep        syz-executor
  1093  488375      1      0  3    0x100083  ttyin         getty
 73119  373038      0      0  3     0x14280  nfsidl        nfsio
 53241  337286      0      0  3     0x14280  nfsidl        nfsio
  1892  126209      0      0  3     0x14280  nfsidl        nfsio
  6941   89557      0      0  3     0x14280  nfsidl        nfsio
 94917   87080      0      0  3     0x14280  nfsidl        nfsio
 65069  426410      0      0  3     0x14280  nfsidl        nfsio
  9211  334563      0      0  3     0x14280  nfsidl        nfsio
 83768   19376      0      0  3     0x14280  nfsidl        nfsio
 49008  170664      0      0  3     0x14280  nfsidl        nfsio
 88714  362394      0      0  3     0x14280  nfsidl        nfsio
 87925  280831      0      0  3     0x14280  nfsidl        nfsio
 77975  268881      0      0  3     0x14280  nfsidl        nfsio
 80063  404484      0      0  3     0x14280  nfsidl        nfsio
  5002  320082      0      0  3     0x14280  nfsidl        nfsio
 63603  324898      0      0  3     0x14280  nfsidl        nfsio
 96818  125108      0      0  3     0x14280  nfsidl        nfsio
  9317  448651      0      0  3     0x14280  nfsidl        nfsio
 43145  407384      0      0  3     0x14280  nfsidl        nfsio
 96896  315374      0      0  3     0x14280  nfsidl        nfsio
  5599  117075      0      0  3     0x14280  nfsidl        nfsio
 41373  166957  51484      0  2       0xc82                syz-executor
 44533  297371      0      0  3     0x14200  bored         sosplice
 65181  423687  51484      0  2       0xc82                syz-executor
 42180  275518  51484      0  3        0x82  wait          syz-executor
*36634   49812  51484      0  7         0x2                syz-executor
 78531  432532  51484      0  2       0xc82                syz-executor
   283  454166  51484      0  2       0xc82                syz-executor
 92025  268326  51484      0  2       0xc82                syz-executor
 53926  166193  51484      0  2       0xc82                syz-executor
 51484  208299  74912      0  3        0x82  kqread        syz-executor
 74912  419614  43617      0  3    0x10008a  sigsusp       ksh
 43617  248585  38062      0  3        0x98  kqread        sshd-session
 38062   31419  68356      0  3        0x92  kqread        sshd-session
 68356  195685      1      0  3        0x88  kqread        sshd
 86657   77135  50563     74  2   0x1100092                pflogd
 50563  427600      1      0  3        0x80  sbwait        pflogd
 38016  193881  90570     73  3   0x1100090  kqread        syslogd
 90570  149317      1      0  3    0x100082  sbwait        syslogd
 77296  442499      1      0  3    0x100080  kqread        resolvd
 92934  102913  44808     77  3    0x100092  kqread        dhcpleased
 83566  127552  44808     77  3    0x100092  kqread        dhcpleased
 44808    1465      1      0  3        0x80  kqread        dhcpleased
 15829  148435      0      0  3     0x14200  bored         smr
 25090  508942      0      0  2     0x14200                zerothread
 65035  278698      0      0  3     0x14200  aiodoned      aiodoned
 57586  497416      0      0  3     0x14200  syncer        update
 90055  243028      0      0  3     0x14200  cleaner       cleaner
 86088    9236      0      0  3     0x14200  reaper        reaper
 32325  318066      0      0  3     0x14200  pgdaemon      pagedaemon
 30919  329255      0      0  3     0x14200  bored         viomb
 12353  136629      0      0  3  0x40014200  acpi0         acpi0
 51821   13363      0      0  3  0x40014200                idle1
 25174   24985      0      0  3     0x14200  bored         softnet1
 10671  148329      0      0  3     0x14200  bored         softnet0
 95030   94295      0      0  3     0x14200  bored         systqmp
 55175  519941      0      0  3     0x14200  bored         systq
 82976  203812      0      0  3     0x14200  tmoslp        softclockmp
 94956    7172      0      0  3  0x40014200  tmoslp        softclock
 76917  214133      0      0  3  0x40014200                idle0
     1  380128      0      0  3        0x82  wait          init
     0       0     -1      0  3  0x10010200  scheduler     swapper
ddb{0}> show all locks
Process 21334 (syz-executor) thread 0xffff80003c4194e8 (304664)
exclusive rrwlock inode r = 0 (0xfffffd806e1c8358)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xa3 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:1232
#6  ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
#8  ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
#9  VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
#10 vn_open+0x34d sys/kern/vfs_vnops.c:116
#11 doopenat+0x35b sys/kern/vfs_syscalls.c:1138
#12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b5b17d0)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6  namei+0x7ca sys/kern/vfs_lookup.c:250
#7  vn_open+0x1f1 sys/kern/vfs_vnops.c:107
#8  doopenat+0x35b sys/kern/vfs_syscalls.c:1138
#9  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#10 Xsyscall+0x128
Process 36634 (syz-executor) thread 0xffff8000fffefca0 (49812)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838f9630)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2  sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#3  biowait+0xc6 sys/kern/vfs_bio.c:1242
#4  bwrite+0x2e7 sys/kern/vfs_bio.c:754
#5  ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919
#6  ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594
#7  VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331
#8  dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
#9  syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9  syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#10 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e1c8b70)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vget+0x2a2 sys/kern/vfs_subr.c:693
#6  ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7  ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8  ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#11 namei+0x7ca sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e3c3dd0)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vget+0x2a2 sys/kern/vfs_subr.c:693
#6  cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#13 Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10222  11041K   11382K 166960K     12233        0
            pcb    17     12K      20K 166960K       172        0
         rtable   147      6K       7K 166960K       361        0
             pf    32     17K      18K 166960K       100        0
         ifaddr    30      4K       7K 166960K        72        0
        ifgroup    47      2K       2K 166960K       114        0
         sysctl     2      1K       9K 166960K         8        0
       counters    64     36K      37K 166960K       118        0
       ioctlops     0      0K       4K 166960K      1559        0
            iov     1     12K      16K 166960K        46        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1458     92K      92K 166960K      2188        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K        10        0
         VM map     2      1K       1K 166960K         2        0
            sem    23      5K       5K 166960K        40        0
        dirhash    12      2K       2K 166960K        33        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K      89K 166960K       849        0
          sigio     0      0K       0K 166960K        16        0
           proc    72    115K     164K 166960K       625        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       151        0
       in_multi    54      4K       7K 166960K       135        0
    ether_multi     1      0K       0K 166960K         6        0
            mrt     2      0K       0K 166960K         9        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   235   1049K    1049K 166960K       235        0
           exec     0      0K       1K 166960K       497        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         2        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   237    159K     175K 166960K      9467        0
       UVM aobj    10      2K       2K 166960K        10        0
     pinsyscall    42     84K     104K 166960K      1962        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        52        0
            NDP    10      0K       2K 166960K        49        0
           temp    60   8658K    8722K 166960K     48019        0
         kqueue    16     26K      29K 166960K       175        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       77    0       73     1     0     1     1     0     8    0
rtentry    176      120    0       64     4     0     4     4     0     8    0
unpcb      144      757    0      738     7     2     5     6     0     8    4
syncache   336        4    0        4     2     1     1     1     0     8    1
tcpcb      736      279    0      273    10     3     7     7     0     8    6
arp        136       14    0        4     1     0     1     1     0     8    0
inpcb      328      816    0      804     7     0     7     7     0     8    6
nd6        144       21    0       11     1     0     1     1     0     8    0
pkpcb       40        9    0        9     1     0     1     1     0     8    1
kcovpl      48        9    0        1     1     0     1     1     0     8    0
ppxss      1192      17    0       17     2     1     1     1     0     8    1
pppxif     1504       1    0        1     1     1     0     1     0     8    0
pfstscr     40        1    0        1     1     1     0     1     0     8    0
pffrag     232       11    0        5     1     0     1     1     0   482    0
pffrnode    88       10    0        5     1     0     1     1     0     8    0
pffrent     40       21    0       15     1     0     1     1     0     8    0
pfosfp      40     1429    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1429    0      714    21     0    21    21     0     8    0
pftag       88        1    0        0     1     0     1     1     0     8    0
pfstitem    24       54    0        9     1     0     1     1     0     8    0
pfstkey    128       55    0       10     2     0     2     2     0     8    0
pfstate    384       54    0       10     6     0     6     6     0     8    0
pfrule     1344      26    0       20     2     1     1     2     0     8    0
rttmr      136        2    0        2     2     2     0     1     0     8    0
art_heap8  4096       3    0        0     3     0     3     3     0     8    0
art_heap4  256      607    0      382    27     5    22    27     0     8    4
art_table   40      610    0      382     5     0     5     5     0     8    0
art_node    32      119    0       69     1     0     1     1     0     8    0
sysvmsgpl   40        5    0        3     1     0     1     1     0     8    0
semupl     112        3    0        3     1     0     1     1     0     8    1
semapl     112       32    0       11     1     0     1     1     0     8    0
shmpl      112        7    0        0     1     0     1     1     0     8    0
dirhash    1024      31    0       14     3     0     3     3     0     8    0
dino2pl    256     2983    0     1475    95     0    95    95     0     8    0
ffsino     296     2983    0     1475   117     0   117   117     0     8    0
nchpl      144     4177    0     2483    64     0    64    64     0     8    0
rtmask      32        2    0        2     2     2     0     1     0     8    0
uvmvnodes   80     3596    0        0    74     0    74    74     0     8    0
vnodes     216     3596    0        0   200     0   200   200     0     8    0
namei      1024   14254    0    14253     3     2     1     2     0     8    0
percpumem   16       74    0       27     1     0     1     1     0     8    0
kstatmem   264       64    0       42     3     1     2     3     0     8    0
scsiplug    72        7    0        7     2     1     1     1     0     8    1
scxspl     216    20883    0    20883    10     7     3     8     1     8    3
plimitpl   152      139    0      120     1     0     1     1     0     8    0
sigapl     424     1170    0     1101     9     1     8     8     0     8    0
knotepl    120      561    0        0    17     0    17    17     0     8    0
kqueuepl   224      403    0      389     8     4     4     5     0     8    3
pipepl     344      303    0      275    12     6     6     9     0     8    3
fdescpl    528     1129    0     1098     3     0     3     3     0     8    0
filepl     160     7472    0     7236    24     7    17    18     0     8    6
lockfpl    104      701    0      698     3     1     2     2     0     8    1
lockfspl    48      273    0      270     1     0     1     1     0     8    0
sessionpl  144       25    0       16     1     0     1     1     0     8    0
pgrppl      48       44    0       27     1     0     1     1     0     8    0
ucredpl    104     1163    0     1149     1     0     1     1     0     8    0
zombiepl   144     1102    0     1101     1     0     1     1     0     8    0
processpl  1232    1170    0     1101     6     0     6     6     0     8    0
procpl     664     2404    0     2324     8     0     8     8     0     8    0
sosppl     168        8    0        8     2     1     1     1     0     8    1
sockpl     752     1716    0     1681    18     6    12    17     0     8    8
mcl64k     65536     12    0        0     2     0     2     2     0     8    0
mcl16k     16384      4    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    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     113    0        0    15     0    15    15     0     8    0
mcl2k      2048      32    0        0     4     0     4     4     0     8    0
mtagpl      96        7    0        0     1     0     1     1     0     8    0
mbufpl     256     1165    0        0    73     0    73    73     0     8    0
bufpl      280     9235    0     3092   439     0   439   439     0     8    0
anonpl      32    11490    0        0    94     1    93    93     0   246    0
amapchunkpl 152   31356    0    30858    41    14    27    35     0   158    5
amappl16   200     3935    0     3661    44    29    15    28     0     8    0
amappl15   192        3    0        3     1     1     0     1     0     8    0
amappl14   184      119    0      107     1     0     1     1     0     8    0
amappl13   176        3    0        3     1     1     0     1     0     8    0
amappl12   168     1789    0     1759     4     1     3     3     0     8    0
amappl11   160       60    0       46     1     0     1     1     0     8    0
amappl10   152        3    0        3     1     1     0     1     0     8    0
amappl9    144      252    0      252     1     1     0     1     0     8    0
amappl8    136       26    0       24     1     0     1     1     0     8    0
amappl7    128      112    0       99     1     0     1     1     0     8    0
amappl6    120      198    0      193     1     0     1     1     0     8    0
amappl5    112      125    0      115     1     0     1     1     0     8    0
amappl4    104      300    0      281     1     0     1     1     0     8    0
amappl3     96     5354    0     5258     4     1     3     3     0     8    0
amappl2     88     1368    0     1290     2     0     2     2     0     8    0
amappl1     80    11415    0    10816    16     2    14    15     0     8    0
amappl      88     8643    0     8479     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        7    0        7     2     2     0     1     0     8    0
dma128     128      255    0      255     2     2     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        9    0        0     1     0     1     1     0     8    0
uaddrrnd    24     1129    0     1098     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1129    0     1098     1     0     1     1     0     8    0
vmmpekpl   168    11143    0    11104     3     0     3     3     0     8    0
vmmpepl    168    76302    0    74072   115     6   109   109     0   357    7
vmsppl     488     1128    0     1098     6     1     5     5     0     8    0
rwobjpl     80    25810    0    21028   101     2    99    99     0     8    0
pdppl      4096    2266    0     2196   104    30    74    86     0     8    4
pvpl        32    17833    0        0   144     0   144   144     0   265    0
pmappl     256     1128    0     1098     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      350    0       44     9     0     9     9     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_freefile(fffffd806e1c8ad0,19646,2000) at ffs_freefile+0x11e sys/ufs/ffs/ffs_alloc.c:1377
ffs_inode_free(fffffd806e1c8ad0,19646,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a370260) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd807394ae70,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd807394ae70) at vput+0xe5 sys/kern/vfs_subr.c:796
VOP_REMOVE(fffffd807394a528,fffffd807394ae70,ffff80002a3703c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7651f19de1e0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
syscall(ffff80002a370540) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a370540) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7651f19de690, count: -9
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
end of kernel
end trace frame: 0x75a692f4ee00, count: 12
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
end of kernel
end trace frame: 0x75a692f4ee00, count: -3

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/13 07:09 openbsd 597bb1fc1f2a e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: ffs_freefile
* Struck through repros no longer work on HEAD.