syzbot


panic: missing alias (6)

Status: upstream: reported on 2025/02/04 00:00
Reported-by: syzbot+2eaddfd8647a34a44071@syzkaller.appspotmail.com
First crash: 444d, last: 5d03h
Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: missing alias 2 1 2704d 2704d 0/3 auto-closed as invalid on 2019/05/26 04:11
openbsd panic: missing alias (3) 2 1 1132d 1132d 0/3 auto-obsoleted due to no activity on 2023/06/16 22:46
openbsd panic: missing alias (4) 2 1 785d 785d 0/3 auto-obsoleted due to no activity on 2024/05/28 06:58
openbsd panic: missing alias (2) 2 2 1577d 1578d 0/3 auto-closed as invalid on 2022/03/28 01:59
openbsd panic: missing alias (5) 2 42 526d 640d 0/3 auto-obsoleted due to no activity on 2025/01/02 20:22

Sample crash report:
panic: missing alias
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 270574  35649      0           0          0    0  syz-executor
*297089  96194      0         0x2          0    1  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833e0ea3) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffffd8066a3b6e0,ffff8000fffefca0) at vgonel+0x663
vrecycle(fffffd8066a3b6e0,ffff8000fffefca0) at vrecycle+0x7c sys/kern/vfs_subr.c:1136
ufs_inactive(ffff80002a340860) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffffd8066a3b6e0,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066a3b6e0) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd805d113d98,fffffd8066a3b6e0,ffff80002a3409c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7dcb19613bf0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a340b40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340b40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7dcb196140a0, count: 4
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{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: missing alias
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833e0ea3) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffffd8066a3b6e0,ffff8000fffefca0) at vgonel+0x663
vrecycle(fffffd8066a3b6e0,ffff8000fffefca0) at vrecycle+0x7c sys/kern/vfs_subr.c:1136
ufs_inactive(ffff80002a340860) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffffd8066a3b6e0,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066a3b6e0) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd805d113d98,fffffd8066a3b6e0,ffff80002a3409c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7dcb19613bf0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a340b40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340b40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7dcb196140a0, count: -11
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002a340690
rbx               0xffff8000299bee07
rdx                                0
rcx               0xffff8000fffefca0
rax               0xffff8000299bdff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xc7dd2b5f0667f188
r11               0x3c047b5976ad26a5
r12               0xffff8000299bec08
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff82a44f75    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a340680
ss                                 0
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=297089 pid=96194 tcnt=1 stat=onproc
    flags process=2<EXEC> proc=0
    runpri=17, usrpri=50, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000ffffd4c8,0xffff8000fffef780
    process=0xffff8000ffff4e78 user=0xffff80002a33b000, vmspace=0xfffffd800b063d58
    estcpu=36, cpticks=133, pctcpu=0.83, user=0, sys=132, intr=1
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 31760   92333  13958      0  2           0                syz-executor
 67472  103406  89984      0  2           0                syz-executor
 67472  269490  89984      0  3   0x4000080  fsleep        syz-executor
 48904  314974  41737      0  2           0                syz-executor
 48904  105803  41737      0  3   0x4000080  fsleep        syz-executor
 35649  270574  63276      0  7           0                syz-executor
 35649   40150  63276      0  3   0x4000080  fsleep        syz-executor
 35649  198603  63276      0  2   0x4000000                syz-executor
 19510   70079  60529      0  2           0                syz-executor
 19510   56843  60529      0  3   0x4000080  ttyout        syz-executor
 19510  475226  60529      0  2   0x4000000                syz-executor
 84459  245667  34713      0  2           0                syz-executor
 84459  105533  34713      0  3   0x4000080  fifor         syz-executor
 84459   86423  34713      0  3   0x4000080  fsleep        syz-executor
 84459  389434  34713      0  3   0x4000080  fsleep        syz-executor
 19539  159966  51634      0  3      0x3000  suspend       syz-executor
 19539  238828  51634      0  3   0x4081000  biowait       syz-executor
 19539  428427  51634      0  3   0x4081000  inode         syz-executor
 19539  320402  51634      0  3   0x4081000  inode         syz-executor
 19539  454191  51634      0  3   0x4081000  inode         syz-executor
 55860  222776      0      0  3     0x14200  acct          acct
 34713  136589  71925      0  3        0x82  nanoslp       syz-executor
 60529  364064  71925      0  3        0x82  nanoslp       syz-executor
 41737  130675  71925      0  3        0x82  nanoslp       syz-executor
*96194  297089  71925      0  7         0x2                syz-executor
 63276   85139  71925      0  3        0x82  nanoslp       syz-executor
 89984  216869  71925      0  3        0x82  nanoslp       syz-executor
 13958  288981  71925      0  3        0x82  nanoslp       syz-executor
 51634  274693  71925      0  3        0x82  nanoslp       syz-executor
 71925  267964  33788      0  3        0x82  kqread        syz-executor
 33788  105492  10268      0  3    0x10008a  sigsusp       ksh
 10268  323402  41973      0  3        0x98  kqread        sshd-session
 41973  414024  43550      0  3        0x92  kqread        sshd-session
 24504  136922      1      0  3    0x100083  ttyin         getty
 43550  131770      1      0  3        0x88  kqread        sshd
 48639   84633  34632     74  3   0x1100092  bpf           pflogd
 34632  201476      1      0  3        0x80  sbwait        pflogd
 97896  291922  86808     73  3   0x1100090  kqread        syslogd
 86808  298307      1      0  3    0x100082  sbwait        syslogd
 14460   38827      1      0  3    0x100080  kqread        resolvd
 39211  368345   5646     77  3    0x100092  kqread        dhcpleased
 49256   30056   5646     77  3    0x100092  kqread        dhcpleased
  5646  360113      1      0  3        0x80  kqread        dhcpleased
 24164  413322      0      0  3     0x14200  bored         smr
 17119  521722      0      0  2     0x14200                zerothread
  1302  382279      0      0  3     0x14200  aiodoned      aiodoned
 43786  371215      0      0  3     0x14200  syncer        update
 28889   78678      0      0  3     0x14200  cleaner       cleaner
 65245  106152      0      0  3     0x14200  reaper        reaper
 64324  255599      0      0  3     0x14200  pgdaemon      pagedaemon
 58174   51788      0      0  3     0x14200  bored         viomb
 87863   63354      0      0  3  0x40014200  acpi0         acpi0
 65522  455012      0      0  3  0x40014200                idle1
 36828  381971      0      0  3     0x14200  bored         softnet1
 29059  186718      0      0  3     0x14200  bored         softnet0
 43726  387215      0      0  3     0x14200  bored         systqmp
  9347   41064      0      0  3     0x14200  bored         systq
 70044  195084      0      0  3     0x14200  tmoslp        softclockmp
 46413  510811      0      0  3  0x40014200  tmoslp        softclock
 89309  400464      0      0  3  0x40014200                idle0
     1  188525      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 35649 (syz-executor) thread 0xffff800030fada10 (198603)
exclusive rwlock vmmaplk r = 0 (0xfffffd806f40fc78)
#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_read+0x3e8 sys/kern/kern_rwlock.c:413
#2  uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3  uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4  uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5  upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#6  usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
#7  recall_trap+0x8
Process 19539 (syz-executor) thread 0xffff8000fffee548 (238828)
exclusive rrwlock inode r = 0 (0xfffffd8064568690)
#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+0xbd sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5  ufs_link+0x83 sys/ufs/ufs/ufs_vnops.c:619
#6  VOP_LINK+0xf5 sys/kern/vfs_vops.c:355
#7  dolinkat+0x30c sys/kern/vfs_syscalls.c:1779
#8  syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9  Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8064568318)
#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+0xbd sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5  vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6  namei+0x7ca sys/kern/vfs_lookup.c:250
#7  dolinkat+0x1aa sys/kern/vfs_syscalls.c:1758
#8  syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9  Xsyscall+0x128
Process 96194 (syz-executor) thread 0xffff8000fffefca0 (297089)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83987840)
#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:369
#3  getblk+0x197 sys/kern/vfs_bio.c:1013
#4  bread+0x45 bio_doread sys/kern/vfs_bio.c:418 [inline]
#4  bread+0x45 sys/kern/vfs_bio.c:463
#5  ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91
#6  ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137
#7  ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519
#8  VOP_RECLAIM+0x77 sys/kern/vfs_vops.c:512
#9  vclean+0x322 sys/kern/vfs_subr.c:1095
#10 vgonel+0xb0 sys/kern/vfs_subr.c:1185
#11 vrecycle+0x7c sys/kern/vfs_subr.c:1136
#12 ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
#13 VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
#14 vput+0xe5 sys/kern/vfs_subr.c:789
#15 VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
#16 dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
#17 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#17 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#18 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8064568c58)
#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+0xbd sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5  vget+0x2a2 sys/kern/vfs_subr.c:686
#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+0x98a sys/kern/vfs_lookup.c:567
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11063  12106K   12275K 166960K     12388        0
            pcb    17     14K      16K 166960K       128        0
         rtable   232      8K       8K 166960K       395        0
             pf    35     17K      18K 166960K        52        0
         ifaddr    42      7K       7K 166960K        48        0
        ifgroup    55      2K       2K 166960K        61        0
         sysctl     3      1K       9K 166960K         9        0
       counters    70     37K      37K 166960K        82        0
       ioctlops     0      0K       4K 166960K      1590        0
            iov     0      0K      12K 166960K         5        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1297     82K      82K 166960K      1598        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K         5        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        16        0
        dirhash    12      2K       2K 166960K        18        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K     106K 166960K       353        0
          sigio     0      0K       0K 166960K         1        0
           proc    72    115K     147K 166960K       574        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        41        0
       in_multi    96      7K       7K 166960K       104        0
    ether_multi     1      0K       0K 166960K         2        0
            mrt     0      0K       0K 166960K        21        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    61    281K     281K 166960K        61        0
           exec     0      0K       1K 166960K       394        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   233    167K     178K 166960K      5080        0
       UVM aobj     7      2K       2K 166960K         7        0
     pinsyscall    42     84K     102K 166960K      1483        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        12        0
            NDP    12      0K       2K 166960K        31        0
           temp    45   9071K    9138K 166960K     17986        0
         kqueue    13     20K      29K 166960K        61        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{1}> 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       56    0       53     1     0     1     1     0     8    0
rtentry    176      119    0       17     6     0     6     6     0     8    0
unpcb      144      231    0      209     4     0     4     4     0     8    2
syncache   336        5    0        5     2     1     1     1     0     8    1
tcpcb      736      201    0      197     7     0     7     7     0     8    6
arp        136       20    0        1     1     0     1     1     0     8    0
inpcb      328      483    0      474    10     1     9     9     0     8    8
nd6        152       26    0        0     1     0     1     1     0     8    0
pkpcb       40        3    0        3     1     0     1     1     0     8    1
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1192       6    0        6     2     1     1     1     0     8    1
pffrag     232        3    0        2     1     0     1     1     0   482    0
pffrnode    88        3    0        2     1     0     1     1     0     8    0
pffrent     40        5    0        4     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
pfstitem    24       34    0        1     1     0     1     1     0     8    0
pfstkey    128       34    0        1     2     0     2     2     0     8    0
pfstate    448       34    0        1     4     0     4     4     0     8    0
pfrule     1360      21    0       16     2     1     1     2     0     8    0
rttmr      136        2    0        2     1     0     1     1     0     8    1
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      493    0       74    29     0    29    29     0     8    1
art_table   40      494    0       74     5     0     5     5     0     8    0
art_node    32      119    0       27     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112       14    0        4     1     0     1     1     0     8    0
shmpl      112        4    0        0     1     0     1     1     0     8    0
dirhash    1024      21    0        4     3     0     3     3     0     8    0
dino2pl    256     2016    0      545    93     0    93    93     0     8    0
ffsino     296     2016    0      545   114     0   114   114     0     8    0
nchpl      144     2521    0      818    64     0    64    64     0     8    0
rtmask      32        3    0        3     1     0     1     1     0     8    1
vnodes     216     2190    0        0   122     0   122   122     0     8    0
namei      1024    8010    0     8004     4     2     2     2     0     8    1
percpumem   16       56    0        6     1     0     1     1     0     8    0
kstatmem   264       32    0        6     2     0     2     2     0     8    0
scsiplug    72        1    0        1     1     0     1     1     0     8    1
scxspl     216    10901    0    10900     4     3     1     3     1     8    0
plimitpl   152       64    0       46     1     0     1     1     0     8    0
sigapl     424      659    0      611     7     1     6     7     0     8    0
knotepl    120      549    0        0    17     0    17    17     0     8    0
kqueuepl   224      134    0      125     5     0     5     5     0     8    4
pipepl     344      139    0      112     3     0     3     3     0     8    0
fdescpl    528      642    0      611     3     0     3     3     0     8    0
filepl     160     3528    0     3301    14     0    14    14     0     8    2
lockfpl    104       81    0       78     1     0     1     1     0     8    0
lockfspl    48       39    0       36     1     0     1     1     0     8    0
sessionpl  144       27    0       18     1     0     1     1     0     8    0
pgrppl      48       37    0       20     1     0     1     1     0     8    0
ucredpl    104      596    0      582     1     0     1     1     0     8    0
zombiepl   144      708    0      707     2     1     1     1     0     8    0
processpl  1232     659    0      611     5     0     5     5     0     8    0
procpl     664     1067    0     1004     6     0     6     6     0     8    0
sockpl     752      778    0      744    13     2    11    13     0     8    6
mcl64k     65536      6    0        0     1     0     1     1     0     8    0
mcl16k     16384      5    0        0     1     0     1     1     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096     127    0        0    16     0    16    16     0     8    0
mcl2k      2048      73    0        0    10     0    10    10     0     8    0
mtagpl      96        5    0        0     1     0     1     1     0     8    0
mbufpl     256      285    0        0    18     0    18    18     0     8    0
bufpl      280     5853    0      105   411     0   411   411     0     8    0
anonpl      32     7593    0        0    62     0    62    62     0   246    0
amapchunkpl 152   27535    0    27060    40     3    37    37     0   158   11
amappl16   200     2914    0     2648    27    12    15    15     0     8    0
amappl15   192        3    0        3     1     1     0     1     0     8    0
amappl14   184      434    0      433     1     0     1     1     0     8    0
amappl13   176      150    0      138     1     0     1     1     0     8    0
amappl12   168      928    0      899     2     0     2     2     0     8    0
amappl11   160        7    0        7     1     1     0     1     0     8    0
amappl10   152       69    0       53     1     0     1     1     0     8    0
amappl9    144      283    0      283     1     1     0     1     0     8    0
amappl8    136      100    0       98     1     0     1     1     0     8    0
amappl7    128      144    0      131     1     0     1     1     0     8    0
amappl6    120      174    0      173     1     0     1     1     0     8    0
amappl5    112       90    0       79     1     0     1     1     0     8    0
amappl4    104      324    0      303     1     0     1     1     0     8    0
amappl3     96     2912    0     2805     4     0     4     4     0     8    0
amappl2     88      516    0      454     2     0     2     2     0     8    0
amappl1     80    10243    0     9637    15     2    13    15     0     8    0
amappl      88     4337    0     4177     5     0     5     5     0    92    0
uvmvnodes   80      107    0        0     3     0     3     3     0     8    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        6    0        0     1     0     1     1     0     8    0
uaddrrnd    24      642    0      611     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      642    0      611     1     0     1     1     0     8    0
vmmpekpl   168     6988    0     6954     3     0     3     3     0     8    1
vmmpepl    168    49218    0    47045    99     1    98    98     0   357    1
vmsppl     488      641    0      611     5     1     4     5     0     8    0
rwobjpl     80    17003    0    15720    27     0    27    27     0     8    0
pdppl      4096    1291    0     1222   101    30    71    83     0     8    2
pvpl        32    14067    0        0   114     0   114   114     0   265    0
pmappl     256      641    0      611     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      299    0       36     8     0     8     8     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffffffff838abff0) 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
__mp_lock(ffffffff83987040) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83987040) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff8000333bd540,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
end of kernel
end trace frame: 0x7ac9147d0e60, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff838abff0) 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
__mp_lock(ffffffff83987040) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83987040) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff8000333bd540,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
end of kernel
end trace frame: 0x7ac9147d0e60, count: -6
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833e0ea3) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffffd8066a3b6e0,ffff8000fffefca0) at vgonel+0x663
vrecycle(fffffd8066a3b6e0,ffff8000fffefca0) at vrecycle+0x7c sys/kern/vfs_subr.c:1136
ufs_inactive(ffff80002a340860) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffffd8066a3b6e0,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066a3b6e0) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd805d113d98,fffffd8066a3b6e0,ffff80002a3409c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7dcb19613bf0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a340b40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340b40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7dcb196140a0, count: 4
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833e0ea3) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffffd8066a3b6e0,ffff8000fffefca0) at vgonel+0x663
vrecycle(fffffd8066a3b6e0,ffff8000fffefca0) at vrecycle+0x7c sys/kern/vfs_subr.c:1136
ufs_inactive(ffff80002a340860) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffffd8066a3b6e0,ffff8000fffefca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066a3b6e0) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd805d113d98,fffffd8066a3b6e0,ffff80002a3409c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff8000fffefca0,ffffff9c,7dcb19613bf0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a340b40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340b40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7dcb196140a0, count: -11

Crashes (1464):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/18 22:34 openbsd a6d33878ee16 1a086e7c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/04/12 17:31 openbsd 6018ae1d0153 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/12 00:02 openbsd de62a587e27d 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/08 11:55 openbsd 15cb22fda4ec 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/04/03 19:08 openbsd a0d451d3ebb4 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/01 20:51 openbsd ffc378411de4 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/30 07:28 openbsd 7ab78e8bd090 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/29 08:11 openbsd 8c0bc7d7b019 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 18:34 openbsd 7348976a6ac6 74e70d19 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 03:31 openbsd 2084961b940b baf8bf12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 02:26 openbsd 2084961b940b baf8bf12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/23 16:17 openbsd ccfcb3e6ef18 5e3db351 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/23 12:57 openbsd ccfcb3e6ef18 5e3db351 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/23 01:09 openbsd 33c7e43e4e2f 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/22 06:01 openbsd 67e6794a9e1c 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/21 21:03 openbsd 8aa14d77a9ab 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/21 18:05 openbsd 8aa14d77a9ab 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/21 12:27 openbsd a71bcab410b6 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/21 11:08 openbsd a71bcab410b6 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/21 08:29 openbsd a71bcab410b6 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/21 04:02 openbsd a71bcab410b6 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/20 14:59 openbsd 65032adb4937 85bf2a64 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/20 11:52 openbsd f53d362946f9 2f245add .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/20 08:15 openbsd f53d362946f9 2f245add .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/19 17:04 openbsd e3f28ea82b45 0291cd06 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/18 23:36 openbsd 561bf2d2294a 0199f9a1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/18 10:50 openbsd 561bf2d2294a 0199f9a1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/18 06:07 openbsd 561bf2d2294a c8810548 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/18 02:38 openbsd 7b59c65f5490 c8810548 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/17 18:24 openbsd 7b59c65f5490 c8810548 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/17 16:45 openbsd 7b59c65f5490 c8810548 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/17 11:17 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/17 10:00 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/17 06:51 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/17 01:50 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/16 17:31 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/16 14:08 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/16 13:07 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/16 09:19 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/16 06:01 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/16 03:03 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/15 22:46 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/15 20:45 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/15 11:21 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/15 07:58 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/15 00:05 openbsd fd49698d88e5 351cb5cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2025/02/03 16:29 openbsd db5d28f093d6 a21a8419 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
* Struck through repros no longer work on HEAD.