syzbot


panic: vop_generic_pbaandiopc

Status: closed as invalid on 2022/04/23 04:35
Reported-by: syzbot+ffd59dcadca48697fc3f@syzkaller.appspotmail.com
First crash: 705d, last: 705d

Sample crash report:
panic: vop_generic_pbaandiopc
: kStopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 336227  93279  32767        0x10  0x4000000    0  syz-executor.4
*436575   3220  32767        0x10          0    1  syz-executor.2
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8258a027) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff8000232492f8) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8062f31958,fffffd8067db9b48) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8067db9b48) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8067db9b48) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800023249590) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8067b9ece0,ffff8000232496f0,ffff800023249720,ffff800023249620) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021209260,ffffff9c,7f7ffffd3e10,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
syscall(ffff8000232498a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000232498a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3e80, 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
 cpu0: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 678
*cpu1: vop_generic_badop
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8258a027) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff8000232492f8) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8062f31958,fffffd8067db9b48) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8067db9b48) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8067db9b48) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800023249590) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8067b9ece0,ffff8000232496f0,ffff800023249720,ffff800023249620) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021209260,ffffff9c,7f7ffffd3e10,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
syscall(ffff8000232498a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000232498a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3e80, count: -11
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff800023249220
rbx               0xffff800020ce9bff
rdx                                0
rcx                                0
rax               0xffff800021209260
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x194da1c164824e6e
r11                0x37771a2a8d349b4
r12               0xffff800020ce9a00
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff81b884b8    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff800023249210
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.2) pid=436575 stat=onproc
    flags process=10<SUGID> proc=0
    pri=17, usrpri=80, nice=20
    forw=0xffffffffffffffff, list=0xffff800021208540,0xffff80002607ad40
    process=0xffff800029507a50 user=0xffff800023244000, vmspace=0xfffffd8067273e78
    estcpu=36, cpticks=1, pctcpu=0.1
    user=0, sys=0, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 72981  247034  71503  32767  2        0x10                syz-executor.7
 72981  480205  71503  32767  2   0x4000010                syz-executor.7
 54191  457591  69646  32767  2        0x10                syz-executor.6
 54191  285472  69646  32767  3   0x4000090  fsleep        syz-executor.6
 54191  455002  69646  32767  3   0x4000090  fsleep        syz-executor.6
 93279  441990  30762  32767  2        0x10                syz-executor.4
 93279  336227  30762  32767  7   0x4000010                syz-executor.4
 74066  114772  95228  32767  2        0x10                syz-executor.3
 74066  493860  95228  32767  2   0x4000010                syz-executor.3
 44003  350675  23945  32767  2        0x10                syz-executor.1
 44003  188954  23945  32767  2   0x4000010                syz-executor.1
 71503  161932  69311  32767  3        0x90  nanoslp       syz-executor.7
 69311  452991  52587      0  3        0x82  wait          syz-executor.7
 69646  165696  85682  32767  3        0x90  nanoslp       syz-executor.6
 85682  500412  52587      0  3        0x82  wait          syz-executor.6
 95228  104841  86655  32767  3        0x90  nanoslp       syz-executor.3
 86655  292996  52587      0  3        0x82  wait          syz-executor.3
 30762  184086  15839  32767  2        0x10                syz-executor.4
 15839  133402  52587      0  3        0x82  wait          syz-executor.4
* 3220  436575  33699  32767  7        0x10                syz-executor.2
 33699  358560  52587      0  3        0x82  wait          syz-executor.2
 47659  507741  78665  32767  2        0x10                syz-executor.5
 78665  282449  52587      0  3        0x82  wait          syz-executor.5
 23945   25652  47672  32767  2       0x490                syz-executor.1
 47672  109088  52587      0  3        0x82  wait          syz-executor.1
 42950  379154      0      0  3     0x14200  bored         sosplice
 18068  499910  62442  32767  2        0x10                syz-executor.0
 62442  331379  52587      0  3        0x82  wait          syz-executor.0
 52587    3108  47940      0  3        0x82  thrsleep      syz-fuzzer
 52587  258547  47940      0  3   0x4000082  nanoslp       syz-fuzzer
 52587  355145  47940      0  3   0x4000082  thrsleep      syz-fuzzer
 52587  389595  47940      0  2   0x4000002                syz-fuzzer
 52587  409339  47940      0  3   0x4000082  thrsleep      syz-fuzzer
 52587   96122  47940      0  3   0x4000082  kqread        syz-fuzzer
 52587  306213  47940      0  3   0x4000082  thrsleep      syz-fuzzer
 52587   35111  47940      0  3   0x4000082  thrsleep      syz-fuzzer
 47940   74390  45609      0  3    0x10008a  sigsusp       ksh
 45609  375287   9476      0  3        0x9a  kqread        sshd
 11653  369176      1      0  3    0x100083  ttyin         getty
  9476  352935      1      0  3        0x88  kqread        sshd
 70760   19895  37552     73  3   0x1100090  kqread        syslogd
 37552  418192      1      0  3    0x100082  netio         syslogd
  1176   75171      1      0  3    0x100080  kqread        resolvd
 39678  232032  52525     77  3    0x100092  kqread        dhcpleased
 90875   33181  52525     77  3    0x100092  kqread        dhcpleased
 52525  370496      1      0  3        0x80  kqread        dhcpleased
 74938  314734      0      0  3     0x14200  bored         smr
 14743  371669      0      0  2     0x14200                zerothread
 47751   44380      0      0  3     0x14200  aiodoned      aiodoned
  9803   44472      0      0  3     0x14200  syncer        update
  5208  137983      0      0  3     0x14200  cleaner       cleaner
 59243  485978      0      0  3     0x14200  reaper        reaper
 13956  523845      0      0  3     0x14200  pgdaemon      pagedaemon
 66910  245555      0      0  3     0x14200  bored         viomb
 75855  333576      0      0  3  0x40014200  acpi0         acpi0
 67320  273129      0      0  3  0x40014200                idle1
 37354  381652      0      0  3     0x14200  bored         softnet
 20496  475417      0      0  3     0x14200  bored         systqmp
   125  327334      0      0  3     0x14200  bored         systq
 78304  148727      0      0  3  0x40014200  bored         softclock
 82095  210166      0      0  3  0x40014200                idle0
     1  473280      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 54191 (syz-executor.6) thread 0xffff80002607b510 (457591)
exclusive rwlock futexpl r = 0 (0xffffffff829e1410)
#0  witness_lock+0x44d
#1  pool_put+0x8a sys/kern/subr_pool.c:799
#2  futex_requeue+0x1c5 sys/kern/sys_futex.c:318
#3  sys_futex+0x115 sys/kern/sys_futex.c:115
#4  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#4  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#5  Xsyscall+0x128
exclusive rwlock futex r = 0 (0xffffffff829135e0)
#0  witness_lock+0x44d
#1  sys_futex+0x5c sys/kern/sys_futex.c:108
#2  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#2  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#3  Xsyscall+0x128
Process 44003 (syz-executor.1) thread 0xffff80002607a2b0 (188954)
exclusive rrwlock inode r = 0 (0xfffffd805c2502c0)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 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:534
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vn_write+0x123 sys/kern/vfs_vnops.c:411
#6  dofilewritev+0x19c sys/kern/sys_generic.c:381
#7  sys_pad_pwrite+0x92 sys_pwrite sys/kern/vfs_syscalls.c:3355 [inline]
#7  sys_pad_pwrite+0x92 sys/kern/vfs_syscalls.c:3427
#8  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9  Xsyscall+0x128
Process 3220 (syz-executor.2) thread 0xffff800021209260 (436575)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b6b678)
#0  witness_lock+0x44d
#1  __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2  mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3  sleep_finish+0x198 sys/kern/kern_synch.c:437
#4  tsleep+0x12c sys/kern/kern_synch.c:158
#5  biowait+0x91 sys/kern/vfs_bio.c:1271
#6  bwrite+0x21b sys/kern/vfs_bio.c:772
#7  ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8  ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1232
#9  VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd805c250a30)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 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:534
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vget+0x1d3 sys/kern/vfs_subr.c:678
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8  ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#9  ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8067d12d58)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 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:534
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6  namei+0x36a sys/kern/vfs_lookup.c:245
#7  domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9  Xsyscall+0x128
Process 18068 (syz-executor.0) thread 0xffff800021208d20 (499910)
exclusive rrwlock inode r = 0 (0xfffffd8067d121a8)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 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:534
#4  ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6  ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7  ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#8  VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#9  domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c85fd68)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 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:534
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5  vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6  namei+0x36a sys/kern/vfs_lookup.c:245
#7  domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9  Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10205   6411K    6419K  78643K     11429        0
            pcb    13     12K      14K  78643K        17        0
         rtable   266      7K       8K  78643K      3141        0
         ifaddr    81     17K      17K  78643K       392        0
         sysctl     3      1K       3K  78643K         7        0
       counters    56     35K      35K  78643K       144        0
       ioctlops     0      0K       2K  78643K       410        0
            iov     0      0K      32K  78643K      5066        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         5        0
         vnodes  1271     79K      79K  78643K      7619        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K      13K  78643K       265        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K      5804        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    23     85K     129K  78643K     28588        0
          sigio     1      0K       0K  78643K      2681        0
           proc    56     78K     127K  78643K      4012        0
        subproc   104      6K       6K  78643K       676        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K      1852        0
       in_multi    99      6K       7K  78643K       947        0
    ether_multi     1      0K       0K  78643K       125        0
            mrt     4      0K       0K  78643K         9        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys   247   1102K    1102K  78643K       247        0
           exec     0      0K       2K  78643K      6044        0
            tdb     3      0K       0K  78643K         3        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     7     26K      26K  78643K         7        0
       UVM amap   382     94K     111K  78643K    171422        0
       UVM aobj   131      4K       4K  78643K       131        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       791        0
            NDP    11      0K       2K  78643K       159        0
           temp   124   4730K    4858K  78643K     73647        0
         kqueue    12     18K      28K  78643K      2381        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     2555    0     2552    40    37     3     6     0     8    2
rtentry    112      661    0      535     4     0     4     4     0     8    0
unpcb      136    26981    0    26968   237   236     1    10     0     8    0
syncache   296      252    0      252    48    48     0     1     0     8    0
tcpqe       32      208    0      208    30    30     0     1     0     8    0
tcpcb      736    11129    0    11125   299   291     8    19     0     8    7
arp        120      113    0       94     1     0     1     1     0     8    0
ipq         40       45    0       45    13    12     1     1     0     8    1
ipqe        40      279    0      279    13    12     1     1     0     8    1
inpcb      312    21736    0    21726   305   299     6    14     0     8    5
ip6q        72       81    0       81    14    14     0     1     0     8    0
ip6af       40      175    0      175    14    14     0     1     0     8    0
nd6         48      207    0      170     1     0     1     1     0     8    0
kcovpl      48       52    0       44     1     0     1     1     0     8    0
rttmrq      48        4    0        0     1     0     1     1     0     8    0
rttmr       72      135    0      133     1     0     1     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256     2971    0     2337    52    10    42    42     0     8    0
art_table   32     2972    0     2337     6     0     6     6     0     8    0
art_node    16      660    0      544     1     0     1     1     0     8    0
semapl     112     5802    0     5792     1     0     1     1     0     8    0
shmpl      112      128    0        0     4     0     4     4     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    39579    0    38132    91     0    91    91     0     8    0
ffsino     272    39579    0    38132    98     0    98    98     0     8    0
nchpl      144    76842    0    75080    66     0    66    66     0     8    0
uvmvnodes   80     5926    0        0   121     0   121   121     0     8    0
vnodes     224     5926    0        0   349     0   349   349     0     8    0
namei      1024  289872    0   289870    17    16     1     2     0     8    0
percpumem   16       84    0       44     1     0     1     1     0     8    0
kstatmem   264      110    0       88     2     0     2     2     0     8    0
scxspl     216   236984    0   236984    85    82     3     8     0     8    3
plimitpl   152     6021    0     5998    16    15     1     2     0     8    0
sigapl     424    28773    0    28724     7     1     6     7     0     8    0
futexpl     64   244030    0   244028    18    17     1     1     0     8    0
knotepl    120     2046    0        0    24     0    24    24     0     8    0
kqueuepl   216     7754    0     7746   131   130     1     8     0     8    0
pipepl     336     6379    0     6351   167   164     3    13     0     8    0
fdescpl    496    28758    0    28724     7     2     5     6     0     8    0
filepl     152   211139    0   210902   345   330    15    24     0     8    5
lockfpl    104     3439    0     3436     2     1     1     2     0     8    0
lockfspl    48     1090    0     1087     1     0     1     1     0     8    0
sessionpl  144       67    0       51     1     0     1     1     0     8    0
pgrppl      48      226    0      210     1     0     1     1     0     8    0
ucredpl     96    34093    0    34075     1     0     1     1     0     8    0
zombiepl   144    28724    0    28724     7     6     1     1     0     8    1
processpl  1064   28773    0    28724     5     1     4     4     0     8    0
procpl     672    84081    0    84019    48    41     7     8     0     8    1
sosppl     168      429    0      429    39    38     1     1     0     8    1
sockpl     480    52142    0    52117  1117  1105    12    36     0     8    8
mcl64k     65536     73    0        0     6     3     3     3     0     8    0
mcl16k     16384     57    0        0     6     3     3     3     0     8    0
mcl12k     12288     59    0        0     3     1     2     2     0     8    0
mcl9k      9216      25    0        0     2     0     2     2     0     8    0
mcl8k      8192      41    0        0     5     2     3     3     0     8    0
mcl4k      4096      49    0        0     4     1     3     3     0     8    0
mcl2k2     2112      13    0        0     1     0     1     1     0     8    0
mcl2k      2048     594    0        0    23     8    15    18     0     8    0
mtagpl      96        2    0        0     1     0     1     1     0     8    0
mbufpl     256    10055    0        0   553     0   553   553     0     8    0
bufpl      288    53363    0    47032   453     0   453   453     0     8    0
anonpl      24  5667406    0  5653650   352   246   106   136     0   186    0
amapchunkpl 152  500563    0   499958   158   128    30    39     0   158    0
amappl16   200    81053    0    80642   301   276    25    47     0     8    0
amappl15   192     9341    0     9336     1     0     1     1     0     8    0
amappl14   184     2705    0     2698     1     0     1     1     0     8    0
amappl13   176     2993    0     2991     2     1     1     1     0     8    0
amappl12   168     4090    0     4088     1     0     1     1     0     8    0
amappl11   160      163    0      146     1     0     1     1     0     8    0
amappl10   152     5485    0     5479     1     0     1     1     0     8    0
amappl9    144     5049    0     5042     1     0     1     1     0     8    0
amappl8    136     3630    0     3416     9     1     8     8     0     8    0
amappl7    128     1486    0     1472     1     0     1     1     0     8    0
amappl6    120     5149    0     5124     2     1     1     2     0     8    0
amappl5    112    29933    0    29912     1     0     1     1     0     8    0
amappl4    104     4284    0     4251     2     1     1     2     0     8    0
amappl3     96    92242    0    92193     2     0     2     2     0     8    0
amappl2     88    34859    0    34785     3     1     2     3     0     8    0
amappl1     80   683412    0   682730    23     7    16    19     0     8    0
amappl      88   169101    0   168920     7     2     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        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    28758    0    28724     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24    28758    0    28724     1     0     1     1     0     8    0
vmmpekpl   168   226808    0   226746     4     0     4     4     0     8    0
vmmpepl    168  2813797    0  2810974   400   263   137   149     0   357    0
vmsppl     368    28757    0    28724     5     1     4     5     0     8    0
rwobjpl     56   694703    0   687128   123    12   111   113     0     8    0
pdppl      4096   57523    0    57448   861   780    81    97     0     8    6
pvpl        32 10877759    0 10858568   694   501   193   239     0   265    0
pmappl     248    28757    0    28724     4     1     3     3     0     8    0
extentpl    40       58    0       38     1     0     1     1     0     8    0
phpool     112     2952    0     1580    40     0    40    40     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8296cff0) 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
x86_bus_space_io_write_1(3f8,0,6b) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,6b) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,6b) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(6b) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(6b) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff82610273) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82596ac4) at panic+0xd7 sys/kern/subr_prf.c:220
__assert(ffffffff8260b734,ffffffff825d0c99,2a6,ffffffff825c92ee) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: 3
ddb{0}> trace
x86_ipi_db(ffffffff8296cff0) 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
x86_bus_space_io_write_1(3f8,0,6b) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,6b) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,6b) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(6b) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(6b) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff82610273) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82596ac4) at panic+0xd7 sys/kern/subr_prf.c:220
__assert(ffffffff8260b734,ffffffff825d0c99,2a6,ffffffff825c92ee) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: -12
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:437
panic(ffffffff8258a027) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff8000232492f8) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8062f31958,fffffd8067db9b48) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8067db9b48) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8067db9b48) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800023249590) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8067b9ece0,ffff8000232496f0,ffff800023249720,ffff800023249620) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021209260,ffffff9c,7f7ffffd3e10,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
syscall(ffff8000232498a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000232498a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3e80, count: 4
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8258a027) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff8000232492f8) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8062f31958,fffffd8067db9b48) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8067db9b48) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8067db9b48) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800023249590) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8067b9ece0,ffff8000232496f0,ffff800023249720,ffff800023249620) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021209260,ffffff9c,7f7ffffd3e10,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
syscall(ffff8000232498a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000232498a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3e80, count: -11

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/23 02:32 openbsd 92de9a74c2fa 131df97d .config console log report ci-openbsd-setuid panic: vop_generic_pbaandiopc
* Struck through repros no longer work on HEAD.