syzbot


panic: vop_generipac_nibac:do kpe

Status: closed as invalid on 2022/01/28 13:24
Reported-by: syzbot+f58008312b7ad93c6a5b@syzkaller.appspotmail.com
First crash: 829d, last: 829d

Sample crash report:
login: panic: vop_generipac_nibac:do kpe
rStopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 178539  73015  32767        0x10  0x4000000    1  syz-executor.3
*214110   8858  32767        0x10  0x4000000    0  syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8256893b) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002cb62938) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8069bebb88,fffffd8072f17c98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8072f17c98) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8072f17c98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff80002cb62bd0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8069beb8e8,ffff80002cb62d30,ffff80002cb62d60,ffff80002cb62c60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff8000fffedcf0,ffffff9c,20000100,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3100
syscall(ffff80002cb62ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002cb62ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbed5132f230, 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{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: vop_generic_badop
 cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 677
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8256893b) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002cb62938) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8069bebb88,fffffd8072f17c98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8072f17c98) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8072f17c98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff80002cb62bd0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8069beb8e8,ffff80002cb62d30,ffff80002cb62d60,ffff80002cb62c60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff8000fffedcf0,ffffff9c,20000100,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3100
syscall(ffff80002cb62ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002cb62ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbed5132f230, count: -11
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002cb62860
rbx               0xffffffff82981bff    cpu_info_full_primary+0x2bff
rdx               0xffff800000bf37c0
rcx                                0
rax               0xffff8000fffedcf0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x4d2e48a5bfe50eb8
r11               0x93cef4830ce6047a
r12               0xffffffff82981a00    cpu_info_full_primary+0x2a00
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff823b0ef8    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff80002cb62850
ss                                 0
db_enter+0x18:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.7) pid=214110 stat=onproc
    flags process=10<SUGID> proc=4000000<THREAD>
    pri=17, usrpri=86, nice=20
    forw=0xffffffffffffffff, list=0xffff8000fffe67e0,0xffff8000fffec800
    process=0xffff8000fffea9b0 user=0xffff80002cb5d000, vmspace=0xfffffd806c7a8468
    estcpu=36, cpticks=1, pctcpu=0.0
    user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 73015  165006  25132  32767  3        0x90  nanoslp       syz-executor.3
 73015  106597  25132  32767  3   0x4000090  fsleep        syz-executor.3
 73015  178539  25132  32767  7   0x4000010                syz-executor.3
 73015  459268  25132  32767  2   0x4000010                syz-executor.3
 42948  211389  83368  32767  2        0x10                syz-executor.2
 42948  272107  83368  32767  3   0x4000090  fsleep        syz-executor.2
 80942   92863  53470  32767  2        0x10                syz-executor.5
 80942   57913  53470  32767  3   0x4000090  fsleep        syz-executor.5
 59415  232209  93807  32767  2        0x10                syz-executor.1
 59415   87627  93807  32767  2   0x4000010                syz-executor.1
 59415  225630  93807  32767  3   0x4000090  fsleep        syz-executor.1
 15996  424823  71468  32767  3        0x90  nanoslp       syz-executor.0
 15996  314840  71468  32767  3   0x4000090  fsleep        syz-executor.0
 15996  205609  71468  32767  3   0x4000090  fsleep        syz-executor.0
  8858  470495   5974  32767  2        0x10                syz-executor.7
* 8858  214110   5974  32767  7   0x4000010                syz-executor.7
 45093   50224      0      0  3     0x14200  bored         sosplice
  5974   77759  30390  32767  2       0x490                syz-executor.7
 30390  302127  55291      0  3        0x82  wait          syz-executor.7
 53496  260053  85329  32767  2        0x10                syz-executor.4
 98705   87837  28121  32767  2        0x10                syz-executor.6
 25132  313945  52087  32767  3        0x90  nanoslp       syz-executor.3
 28121  112761  55291      0  3        0x82  wait          syz-executor.6
 53470   63219  94716  32767  3        0x90  nanoslp       syz-executor.5
 85329   98895  55291      0  3        0x82  wait          syz-executor.4
 83368  458763  74827  32767  3        0x90  nanoslp       syz-executor.2
 94716  269602  55291      0  3        0x82  wait          syz-executor.5
 52087  308627  55291      0  3        0x82  wait          syz-executor.3
 71468  443227  49891  32767  3        0x90  nanoslp       syz-executor.0
 93807  509904  39616  32767  2        0x10                syz-executor.1
 74827  158412  55291      0  3        0x82  wait          syz-executor.2
 39616  140915  55291      0  3        0x82  wait          syz-executor.1
 49891   74621  55291      0  3        0x82  wait          syz-executor.0
 55291  385982  98576      0  3        0x82  kqread        syz-fuzzer
 55291  126052  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291   26214  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291  409468  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291   93620  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291   90280  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291  509029  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 55291  278339  98576      0  3   0x4000082  thrsleep      syz-fuzzer
 98576  422422  23921      0  3    0x10008a  sigsusp       ksh
 23921  424193  93733      0  3        0x9a  poll          sshd
 81026    6708      1      0  3    0x100083  ttyin         getty
 93733  503492      1      0  3        0x88  poll          sshd
 11538  270253  79726     73  3    0x100090  kqread        syslogd
 79726   94536      1      0  3    0x100082  netio         syslogd
 86334  260169      1      0  3    0x100080  kqread        resolvd
 81417  431314  59484     77  3    0x100092  kqread        dhcpleased
 77776  230883  59484     77  3    0x100092  kqread        dhcpleased
 59484  372433      1      0  3        0x80  kqread        dhcpleased
 46070  216328      0      0  3     0x14200  bored         smr
 15743   56502      0      0  2     0x14200                zerothread
 82767   89062      0      0  3     0x14200  aiodoned      aiodoned
 93208   71694      0      0  3     0x14200  syncer        update
 70071  110634      0      0  3     0x14200  cleaner       cleaner
 84752  279305      0      0  3     0x14200  reaper        reaper
 21590   60062      0      0  3     0x14200  pgdaemon      pagedaemon
 95758  389040      0      0  3     0x14200  bored         viomb
 71691  144906      0      0  3  0x40014200  acpi0         acpi0
 61951   97638      0      0  3  0x40014200                idle1
 49739  175354      0      0  3     0x14200  bored         softnet
  4879  491912      0      0  3     0x14200  bored         systqmp
 73739   45321      0      0  3     0x14200  bored         systq
 64887  200658      0      0  2  0x40014200                softclock
 93425   24733      0      0  3  0x40014200                idle0
     1  494202      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 8858 (syz-executor.7) thread 0xffff8000fffedcf0 (214110)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82acb1d0)
#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+0x1b2 sys/kern/kern_synch.c:433
#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:3100
#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 (0xfffffd80682f4928)
#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:677
#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:3100
#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 (0xfffffd80682f44e8)
#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:3085
#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 53496 (syz-executor.4) thread 0xffff8000fffeea88 (260053)
exclusive rrwlock inode r = 0 (0xfffffd80682f42c8)
#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_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:298 [inline]
#5  vn_closefile+0xc6 sys/kern/vfs_vnops.c:624
#6  fdrop+0xc7 sys/kern/kern_descrip.c:1279
#7  closef+0x11c sys/kern/kern_descrip.c:1263
#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 98705 (syz-executor.6) thread 0xffff8000fffee2a8 (87837)
exclusive rrwlock inode r = 0 (0xfffffd806e3fc700)
#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:3100
#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 (0xfffffd806855e4e0)
#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:3085
#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{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10170   6407K    6418K  78643K     11260        0
            pcb    13      8K       8K  78643K        13        0
         rtable   248      7K       7K  78643K       400        0
         ifaddr    81     16K      16K  78643K        82        0
         sysctl     2      0K       0K  78643K         2        0
       counters    56     35K      35K  78643K        56        0
       ioctlops     0      0K       2K  78643K        36        0
            iov     0      0K      16K  78643K       840        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         5        0
         vnodes  1270     79K      79K  78643K      1437        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       288        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12598        0
      file desc    24     89K     125K  78643K      1023        0
          sigio     0      0K       0K  78643K        95        0
           proc    56     74K     111K  78643K       574        0
        subproc   104      6K       6K  78643K       104        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     0      0K       0K  78643K       138        0
       in_multi    99      6K       6K  78643K       101        0
    ether_multi     1      0K       0K  78643K         2        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    67    307K     307K  78643K        67        0
           exec     0      0K       2K  78643K       757        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   335     80K      82K  78643K     14566        0
       UVM aobj     8      2K       2K  78643K         8        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K        21        0
            NDP    11      0K       2K  78643K        27        0
           temp    94   4691K    4755K  78643K      6178        0
         kqueue    10     14K      22K  78643K        66        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{0}> 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       90    0       87     2     1     1     2     0     8    0
rtentry    112      116    0        1     4     0     4     4     0     8    0
unpcb      136      643    0      630     8     7     1     6     0     8    0
syncache   296        7    0        7     2     2     0     1     0     8    0
tcpqe       32      274    0      274     2     2     0     2     0     8    0
tcpcb      736      262    0      255     9     2     7     8     0     8    6
arp        120       18    0        0     1     0     1     1     0     8    0
ipq         40        2    0        0     1     0     1     1     0     8    0
ipqe        40        7    0        5     1     0     1     1     0     8    0
inpcb      304      567    0      558     7     3     4     6     0     8    3
nd6         48       29    0        0     1     0     1     1     0     8    0
kcovpl      48        8    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      467    0        0    30     0    30    30     0     8    0
art_table   32      468    0        0     4     0     4     4     0     8    0
art_node    16      115    0       10     1     0     1     1     0     8    0
semapl     112      286    0      276     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     2728    0     1297    90     0    90    90     0     8    0
ffsino     272     2728    0     1297    96     0    96    96     0     8    0
nchpl      144     4080    0     2417    62     0    62    62     0     8    0
uvmvnodes   80     2841    0        0    58     0    58    58     0     8    0
vnodes     224     2841    0        0   168     0   168   168     0     8    0
namei      1024   14637    0    14635     2     1     1     2     0     8    0
percpumem   16       40    0        0     1     0     1     1     0     8    0
scxspl     216    11871    0    11871     9     8     1     8     0     8    1
plimitpl   152      182    0      159     1     0     1     1     0     8    0
sigapl     424     1298    0     1248     7     0     7     7     0     8    0
futexpl     64     8360    0     8354     1     0     1     1     0     8    0
knotepl    112      110    0        0     3     0     3     3     0     8    0
kqueuepl   216      264    0      258     6     5     1     4     0     8    0
pipepl     336      317    0      289    13     5     8     8     0     8    5
fdescpl    496     1283    0     1248     7     1     6     6     0     8    0
filepl     152     7239    0     6997    22     7    15    16     0     8    5
lockfpl    104       70    0       68     1     0     1     1     0     8    0
lockfspl    48       31    0       29     1     0     1     1     0     8    0
sessionpl  144       23    0        7     1     0     1     1     0     8    0
pgrppl      48       23    0        7     1     0     1     1     0     8    0
ucredpl     96      976    0      958     1     0     1     1     0     8    0
zombiepl   144     1248    0     1248     1     0     1     1     0     8    1
processpl  1064    1298    0     1248     5     1     4     4     0     8    0
procpl     672     2961    0     2894     7     0     7     7     0     8    0
sosppl     168       15    0       15     1     1     0     1     0     8    0
sockpl     480     1379    0     1354    27    18     9    20     0     8    5
mcl64k     65536      9    0        0     2     0     2     2     0     8    0
mcl16k     16384      7    0        0     1     0     1     1     0     8    0
mcl12k     12288      8    0        0     1     0     1     1     0     8    0
mcl9k      9216       5    0        0     1     0     1     1     0     8    0
mcl8k      8192       9    0        0     2     0     2     2     0     8    0
mcl4k      4096      11    0        0     2     0     2     2     0     8    0
mcl2k2     2112       3    0        0     1     0     1     1     0     8    0
mcl2k      2048     228    0        0    28     0    28    28     0     8    0
mtagpl      96        2    0        0     1     0     1     1     0     8    0
mbufpl     256      368    0        0    22     0    22    22     0     8    0
bufpl      288     4653    0      143   323     0   323   323     0     8    0
anonpl      24   810466    0   796167   203    24   179   188     0   186   62
amapchunkpl 152   36846    0    36050    39     5    34    36     0   158    0
amappl16   200    32087    0    31720   208   163    45    70     0     8   18
amappl15   192      400    0      392     1     0     1     1     0     8    0
amappl14   184      337    0      328     1     0     1     1     0     8    0
amappl13   176      198    0      196     1     0     1     1     0     8    0
amappl12   168       23    0       16     1     0     1     1     0     8    0
amappl11   160      408    0      390     1     0     1     1     0     8    0
amappl10   152       38    0       31     1     0     1     1     0     8    0
amappl9    144      470    0      468     1     0     1     1     0     8    0
amappl8    136      598    0      541     2     0     2     2     0     8    0
amappl7    128      116    0      106     1     0     1     1     0     8    0
amappl6    120      213    0      193     2     1     1     2     0     8    0
amappl5    112      890    0      869     1     0     1     1     0     8    0
amappl4    104     1403    0     1368     2     1     1     2     0     8    0
amappl3     96      221    0      210     1     0     1     1     0     8    0
amappl2     88      672    0      629     3     1     2     3     0     8    0
amappl1     80    26432    0    25773    18     3    15    18     0     8    0
amappl      88    14099    0    13836     7     0     7     7     0    92    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        6    0        6     1     1     0     1     0     8    0
dma128     128      253    0      253     1     1     0     1     0     8    0
dma64       64        6    0        6     1     1     0     1     0     8    0
dma32       32        7    0        7     1     1     0     1     0     8    0
dma16       16       18    0       17     1     0     1     1     0     8    0
aobjpl      72        7    0        0     1     0     1     1     0     8    0
uaddrrnd    24     1283    0     1248     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1283    0     1248     1     0     1     1     0     8    0
vmmpekpl   168    13721    0    13673     3     0     3     3     0     8    0
vmmpepl    168   149103    0   146451   176    22   154   163     0   357   29
vmsppl     368     1282    0     1248     4     0     4     4     0     8    0
rwobjpl     56    62038    0    57852    70     3    67    70     0     8    0
pdppl      4096    2573    0     2496   118    37    81    95     0     8    4
pvpl        32  1156672    0  1137184   312    25   287   297     0   265   87
pmappl     248     1282    0     1248     4     1     3     3     0     8    0
extentpl    40       57    0       38     1     0     1     1     0     8    0
phpool     112      749    0       47    21     0    21    21     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8256893b) at panic+0x177 sys/kern/subr_prf.c:202
vop_generic_badop(ffff80002cb62938) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8069bebb88,fffffd8072f17c98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8072f17c98) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8072f17c98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff80002cb62bd0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8069beb8e8,ffff80002cb62d30,ffff80002cb62d60,ffff80002cb62c60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff8000fffedcf0,ffffff9c,20000100,0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3100
syscall(ffff80002cb62ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002cb62ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbed5132f230, count: -11
ddb{0}> machine ddbcpu 1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/27 17:58 openbsd ebc65071f0b5 64a8e201 .config console log report ci-openbsd-setuid panic: vop_generipac_nibac:do kpe
* Struck through repros no longer work on HEAD.