syzbot


panic: vop_generic_badop

Status: closed as invalid on 2021/12/23 06:09
Reported-by: syzbot+581015ed50e033ec41ba@syzkaller.appspotmail.com
First crash: 907d, last: 907d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: vop_generic_badop (2) 69 7d12h 572d 0/3 upstream: reported on 2022/09/04 02:31

Sample crash report:
panic: vop_generic_badop
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*353502  75729  32767        0x10          0    1K syz-executor.1
 335514  93130      0         0x2  0x4000000    0  syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824560e5) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002569ab98) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80672909e0) at VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:723
bwrite(fffffd80672909e0) at bwrite+0x1eb sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd80672909e0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:735
ufs_mkdir(ffff80002569ae20) at ufs_mkdir+0x6b0 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd80692c3240,ffff80002569af80,ffff80002569afb0,ffff80002569aeb0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
domkdirat(ffff8000212102a0,ffffff9c,7f7ffffe8ee0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
syscall(ffff80002569b130) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002569b130) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe8f50, 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: vop_generic_badop
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824560e5) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002569ab98) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80672909e0) at VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:723
bwrite(fffffd80672909e0) at bwrite+0x1eb sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd80672909e0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:735
ufs_mkdir(ffff80002569ae20) at ufs_mkdir+0x6b0 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd80692c3240,ffff80002569af80,ffff80002569afb0,ffff80002569aeb0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
domkdirat(ffff8000212102a0,ffffff9c,7f7ffffe8ee0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
syscall(ffff80002569b130) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002569b130) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe8f50, count: -11
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002569aac0
rbx               0xffff800020d39bff
rdx                             0x8b
rcx                              0x2
rax                             0x19
r8                0xffffffff8136c5a4    kprintf+0x144
r9                               0x1
r10               0x356acf2e5b91398c
r11               0xa465b237c5c34e9b
r12               0xffff800020d39a00
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff817e8be8    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff80002569aab0
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=353502 stat=onproc
    flags process=10<SUGID> proc=0
    pri=17, usrpri=63, nice=20
    forw=0xffffffffffffffff, list=0xffff800021210540,0xffff800021210010
    process=0xffff80002120a190 user=0xffff800025696000, vmspace=0xfffffd807effa450
    estcpu=36, cpticks=0, pctcpu=0.5
    user=0, sys=0, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 73571  473142      0      0  3     0x14200  bored         sosplice
*75729  353502  53631  32767  7        0x10                syz-executor.1
 64589   68166  66358  32767  2        0x10                syz-executor.0
 53631  281078  93130      0  3        0x82  wait          syz-executor.1
 66358   40038  93130      0  3        0x82  wait          syz-executor.0
 93130  436439  58462      0  3        0x82  thrsleep      syz-fuzzer
 93130  313416  58462      0  3   0x4000082  nanoslp       syz-fuzzer
 93130  100305  58462      0  3   0x4000082  thrsleep      syz-fuzzer
 93130  335514  58462      0  7   0x4000002                syz-fuzzer
 93130  225387  58462      0  3   0x4000082  thrsleep      syz-fuzzer
 93130  503457  58462      0  3   0x4000082  thrsleep      syz-fuzzer
 93130   20759  58462      0  3   0x4000082  thrsleep      syz-fuzzer
 93130  507224  58462      0  3   0x4000082  kqread        syz-fuzzer
 58462  345713  55861      0  3    0x10008a  sigsusp       ksh
 55861  353536  13484      0  2        0x12                sshd
 11774  270652      1      0  3    0x100083  ttyin         getty
 13484   27915      1      0  3        0x88  select        sshd
 95382  403222  15495     73  3    0x100090  kqread        syslogd
 15495  524135      1      0  3    0x100082  netio         syslogd
 91586  185039      1      0  3    0x100080  kqread        resolvd
 31953   92698  38315     77  3    0x100092  kqread        dhcpleased
 33545  192017  38315     77  3    0x100092  kqread        dhcpleased
 38315  399632      1      0  3        0x80  kqread        dhcpleased
 49829  342341      0      0  3     0x14200  bored         smr
 45829  309512      0      0  3     0x14200  pgzero        zerothread
 44988  203132      0      0  3     0x14200  aiodoned      aiodoned
 88333  360521      0      0  3     0x14200  syncer        update
 81612   97530      0      0  3     0x14200  cleaner       cleaner
 18291   40511      0      0  3     0x14200  reaper        reaper
 30022  344314      0      0  3     0x14200  pgdaemon      pagedaemon
 30960  445227      0      0  3     0x14200  bored         crynlk
 89738   73573      0      0  3     0x14200  bored         crypto
 60033    3397      0      0  3     0x14200  bored         viomb
 16516  175813      0      0  3  0x40014200  acpi0         acpi0
 53628  108873      0      0  3  0x40014200                idle1
  3091  490548      0      0  3     0x14200  bored         softnet
 49782  385749      0      0  3     0x14200  bored         systqmp
 37466   90300      0      0  3     0x14200  bored         systq
 23169  163564      0      0  3  0x40014200  bored         softclock
 69810  404820      0      0  3  0x40014200                idle0
     1  487945      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 75729 (syz-executor.1) thread 0xffff8000212102a0 (353502)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828e2720)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  __mp_acquire_count+0x4c sys/kern/kern_lock.c:227
#2  mi_switch+0x3d3 sys/kern/sched_bsd.c:433
#3  sleep_finish+0x1b2 sys/kern/kern_synch.c:433
#4  tsleep+0x125 sys/kern/kern_synch.c:158
#5  biowait+0x91 sys/kern/vfs_bio.c:1271
#6  bwrite+0x216 sys/kern/vfs_bio.c:772
#7  ffs_update+0x2b5 sys/ufs/ffs/ffs_inode.c:113
#8  ufs_mkdir+0x65e sys/ufs/ufs/ufs_vnops.c:1232
#9  VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
#11 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806a7c15e8)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vget+0x1eb sys/kern/vfs_subr.c:676
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1321
#8  ffs_inode_alloc+0x1c3 sys/ufs/ffs/ffs_alloc.c:394
#9  ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#10 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
#12 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806a7c1a28)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vfs_lookup+0xdd sys/kern/vfs_lookup.c:413
#6  namei+0x55a sys/kern/vfs_lookup.c:245
#7  domkdirat+0x75 sys/kern/vfs_syscalls.c:3050
#8  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#9  Xsyscall+0x128
Process 64589 (syz-executor.0) thread 0xffff800021210540 (68166)
exclusive rrwlock inode r = 0 (0xfffffd806a7c14d8)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vget+0x1eb sys/kern/vfs_subr.c:676
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1321
#8  ufs_lookup+0x145f sys/ufs/ufs/ufs_lookup.c:487
#9  VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:88
#10 vfs_lookup+0x737 sys/kern/vfs_lookup.c:561
#11 namei+0x55a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#13 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806a7c1b38)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vfs_lookup+0xdd sys/kern/vfs_lookup.c:413
#6  namei+0x55a sys/kern/vfs_lookup.c:245
#7  dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#8  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#9  Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10115   6407K    6433K  78643K     11205        0
            pcb    13      8K       8K  78643K        13        0
         rtable   108      3K       3K  78643K       175        0
         ifaddr    39     10K      10K  78643K        39        0
       counters    44     34K      34K  78643K        44        0
       ioctlops     0      0K       2K  78643K        27        0
            iov     0      0K       8K  78643K        36        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         5        0
         vnodes  1216     76K      76K  78643K      1233        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       1K  78643K         2        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      1K       1K  78643K        87        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12598        0
      file desc     6     17K      33K  78643K       286        0
           proc    56     74K      99K  78643K       279        0
        subproc    34      2K       2K  78643K        34        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
       in_multi    33      2K       2K  78643K        33        0
    ether_multi     1      0K       0K  78643K         1        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    37    175K     175K  78643K        37        0
           exec     0      0K       2K  78643K       383        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     7     26K      26K  78643K         7        0
       UVM amap   187     29K      37K  78643K      4957        0
       UVM aobj     8      2K       2K  78643K         8        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP     5      0K       0K  78643K         9        0
           temp   102   4213K    4277K  78643K      2695        0
         kqueue    10     14K      16K  78643K        16        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{1}> 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       26    0       23     1     0     1     1     0     8    0
rtentry    112       46    0        1     2     0     2     2     0     8    0
unpcb      120      106    0       93     1     0     1     1     0     8    0
syncache   296        4    0        4     1     1     0     1     0     8    0
tcpqe       32      446    0      446     1     1     0     1     0     8    0
tcpcb      736       28    0       24     1     0     1     1     0     8    0
arp        120        6    0        0     1     0     1     1     0     8    0
inpcb      304       95    0       88     2     0     2     2     0     8    1
nd6         48        7    0        0     1     0     1     1     0     8    0
kcovpl      48        2    0        0     1     0     1     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      190    0        0    12     0    12    12     0     8    0
art_table   32      191    0        0     2     0     2     2     0     8    0
art_node    16       45    0        4     1     0     1     1     0     8    0
sysvmsgpl   40       31    0       21     1     0     1     1     0     8    0
semupl     112       15    0       15     1     0     1     1     0     8    1
semapl     112       71    0       61     1     0     1     1     0     8    0
shmpl      112        5    0        0     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1707    0      304    88     0    88    88     0     8    0
ffsino     272     1707    0      304    94     0    94    94     0     8    0
nchpl      144     2244    0      632    60     0    60    60     0     8    0
uvmvnodes   72     1750    0        0    32     0    32    32     0     8    0
vnodes     224     1750    0        0   103     0   103   103     0     8    0
namei      1024    5764    0     5763     1     0     1     1     0     8    0
percpumem   16       34    0        0     1     0     1     1     0     8    0
scxspl     216     6678    0     6678     9     1     8     8     0     8    8
plimitpl   152       26    0       16     1     0     1     1     0     8    0
sigapl     424      510    0      476     5     0     5     5     0     8    1
futexpl     56     2784    0     2784     1     0     1     1     0     8    1
knotepl    112       50    0        0     2     0     2     2     0     8    0
kqueuepl   216      285    0      279     2     0     2     2     0     8    1
pipepl     336       97    0       87     2     0     2     2     0     8    1
fdescpl    496      493    0      476     3     0     3     3     0     8    0
filepl     152     2040    0     1931     5     0     5     5     0     8    0
lockfpl    104       56    0       54     1     0     1     1     0     8    0
lockfspl    48       19    0       17     1     0     1     1     0     8    0
sessionpl  144       17    0        7     1     0     1     1     0     8    0
pgrppl      48       17    0        7     1     0     1     1     0     8    0
ucredpl     96      241    0      229     1     0     1     1     0     8    0
zombiepl   144      476    0      476     1     0     1     1     0     8    1
processpl  1072     510    0      476     3     0     3     3     0     8    0
procpl     672      840    0      799     5     0     5     5     0     8    1
sosppl     168       10    0       10     1     0     1     1     0     8    1
sockpl     480      232    0      209     4     0     4     4     0     8    1
mcl64k     65536      5    0        0     1     0     1     1     0     8    0
mcl16k     16384      2    0        0     1     0     1     1     0     8    0
mcl8k      8192       4    0        0     1     0     1     1     0     8    0
mcl4k      4096       7    0        0     1     0     1     1     0     8    0
mcl2k      2048     242    0        0    30     0    30    30     0     8    0
mtagpl      96        2    0        0     1     0     1     1     0     8    0
mbufpl     256      481    0        0    30     0    30    30     0     8    0
bufpl      280     3836    0      157   263     0   263   263     0     8    0
anonpl      24   108147    0    97263    71     1    70    70     0   186    3
amapchunkpl 152   11207    0    10677    26     1    25    25     0   158    1
amappl16   200      777    0      508    16     1    15    15     0     8    0
amappl15   192      204    0      197     1     0     1     1     0     8    0
amappl14   184        4    0        3     1     0     1     1     0     8    0
amappl13   176       27    0       26     1     0     1     1     0     8    0
amappl12   168        3    0        1     1     0     1     1     0     8    0
amappl11   160       68    0       52     1     0     1     1     0     8    0
amappl10   152       11    0        7     1     0     1     1     0     8    0
amappl9    144      185    0      181     1     0     1     1     0     8    0
amappl8    136      333    0      297     2     0     2     2     0     8    0
amappl7    128       59    0       50     1     0     1     1     0     8    0
amappl6    120      176    0      166     1     0     1     1     0     8    0
amappl5    112     1033    0     1014     1     0     1     1     0     8    0
amappl4    104      516    0      493     1     0     1     1     0     8    0
amappl3     96      157    0      142     1     0     1     1     0     8    0
amappl2     88      329    0      293     2     1     1     2     0     8    0
amappl1     80    11522    0    11105    12     2    10    12     0     8    0
amappl      88     4605    0     4473     4     0     4     4     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      64        7    0        0     1     0     1     1     0     8    0
uaddrrnd    24      493    0      476     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      493    0      476     1     0     1     1     0     8    0
vmmpekpl   168     7441    0     7419     2     0     2     2     0     8    0
vmmpepl    168    54181    0    52648    77     0    77    77     0   357    4
vmsppl     368      492    0      476     2     0     2     2     0     8    0
rwobjpl     56    12527    0    11577    18     3    15    15     0     8    1
pdppl      4096     994    0      952    64    14    50    50     0     8    8
pvpl        32   299794    0   285491   132     7   125   132     0   265    6
pmappl     224      492    0      476     2     0     2     2     0     8    0
extentpl    40       58    0       40     1     0     1     1     0     8    0
phpool     112      335    0       16    10     0    10    10     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8278dff0) 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(ffffffff828e2518) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828e2518) at __mp_lock+0x12e sys/kern/kern_lock.c:147
pipeselwakeup(fffffd806fa91870) at pipeselwakeup+0x4e sys/kern/sys_pipe.c:366
pipe_write(fffffd806e5d9bf0,ffff80002122fc98,0) at pipe_write+0x771
dofilewritev(ffff8000ffff7a50,14,ffff80002122fc98,0,ffff80002122fd80) at dofilewritev+0x1a3 sys/kern/sys_generic.c:365
sys_write(ffff8000ffff7a50,ffff80002122fd30,ffff80002122fd80) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff80002122fe00) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002122fe00) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2c71715e0, count: 5
ddb{0}> trace
x86_ipi_db(ffffffff8278dff0) 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(ffffffff828e2518) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828e2518) at __mp_lock+0x12e sys/kern/kern_lock.c:147
pipeselwakeup(fffffd806fa91870) at pipeselwakeup+0x4e sys/kern/sys_pipe.c:366
pipe_write(fffffd806e5d9bf0,ffff80002122fc98,0) at pipe_write+0x771
dofilewritev(ffff8000ffff7a50,14,ffff80002122fc98,0,ffff80002122fd80) at dofilewritev+0x1a3 sys/kern/sys_generic.c:365
sys_write(ffff8000ffff7a50,ffff80002122fd30,ffff80002122fd80) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff80002122fe00) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002122fe00) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2c71715e0, count: -10
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824560e5) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002569ab98) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80672909e0) at VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:723
bwrite(fffffd80672909e0) at bwrite+0x1eb sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd80672909e0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:735
ufs_mkdir(ffff80002569ae20) at ufs_mkdir+0x6b0 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd80692c3240,ffff80002569af80,ffff80002569afb0,ffff80002569aeb0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
domkdirat(ffff8000212102a0,ffffff9c,7f7ffffe8ee0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
syscall(ffff80002569b130) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002569b130) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe8f50, count: 4
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824560e5) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002569ab98) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80672909e0) at VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:723
bwrite(fffffd80672909e0) at bwrite+0x1eb sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd80672909e0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:735
ufs_mkdir(ffff80002569ae20) at ufs_mkdir+0x6b0 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd80692c3240,ffff80002569af80,ffff80002569afb0,ffff80002569aeb0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:457
domkdirat(ffff8000212102a0,ffffff9c,7f7ffffe8ee0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3065
syscall(ffff80002569b130) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002569b130) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe8f50, count: -11

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/10/03 22:46 openbsd 6dc210665fea 1d849ab4 .config console log report ci-openbsd-setuid panic: vop_generic_badop
* Struck through repros no longer work on HEAD.