syzbot


assert "d->bd_in_uiomove == NUM" failed in bpf.c

Status: upstream: reported on 2022/11/25 12:32
Reported-by: syzbot+c5c8656f251cf93b7085@syzkaller.appspotmail.com
First crash: 73d, last: 73d

Sample crash report:
panic: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 675
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*124788  60254      0           0  0x4000000    1  syz-executor.3
  92764  11553      0         0x2          0    0  syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline]
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125
bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880
VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2
syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb2a1901bc70, count: 5
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: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 675
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline]
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125
bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880
VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2
syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb2a1901bc70, count: -10
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002e492970
rbx               0xffff800020dd9b8f
rdx                                0
rcx                                0
rax               0xffff800026415260
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x2bca746ab1bb79bd
r11               0x4254a89a851bc403
r12               0xffff800020dd9990
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff819f7aa8    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff80002e492960
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.3) pid=124788 stat=onproc
    flags process=0 proc=4000000<THREAD>
    pri=32, usrpri=79, nice=20
    forw=0xffffffffffffffff, list=0xffff800026415500,0xffff800026415a50
    process=0xffff8000ffff3688 user=0xffff80002e48d000, vmspace=0xfffffd8069f55b90
    estcpu=29, cpticks=1, pctcpu=0.0
    user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 21792  102946  39010      0  2           0                syz-executor.4
 21792  414940  39010      0  3   0x4000080  fsleep        syz-executor.4
   156  169579  10016      0  2           0                syz-executor.5
   156  163556  10016      0  3   0x4000080  fsleep        syz-executor.5
   156  142426  10016      0  3   0x4000080  fsleep        syz-executor.5
 79514   21716  44329      0  2           0                syz-executor.6
 79514  164463  44329      0  2   0x4000000                syz-executor.6
 79514   76819  44329      0  3   0x4000080  fsleep        syz-executor.6
 60254  347117  24618      0  2           0                syz-executor.3
*60254  124788  24618      0  7   0x4000000                syz-executor.3
 60254  228896  24618      0  2   0x4000000                syz-executor.3
 60254  206995  24618      0  2   0x4000000                syz-executor.3
 11553   92764   7074      0  7         0x2                syz-executor.7
 44329  402865   7074      0  2       0x482                syz-executor.6
 24618  445937   7074      0  2       0x482                syz-executor.3
 10016  481521   7074      0  2       0x482                syz-executor.5
 39010  144397   7074      0  2       0x482                syz-executor.4
 50732  163798   7074      0  2         0x2                syz-executor.2
 87783  234029   7074      0  2       0x482                syz-executor.1
  4891  301541   7074      0  2         0x2                syz-executor.0
  7074  436725  79896      0  3        0x82  thrsleep      syz-fuzzer
  7074  137897  79896      0  2   0x4000482                syz-fuzzer
  7074  309416  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  426156  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  154110  79896      0  3   0x4000082  wait          syz-fuzzer
  7074   74472  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  219053  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  293560  79896      0  3   0x4000082  thrsleep      syz-fuzzer
  7074  358817  79896      0  3   0x4000082  thrsleep      syz-fuzzer
  7074  393635  79896      0  3   0x4000082  thrsleep      syz-fuzzer
  7074   76407  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  374999  79896      0  3   0x4000082  wait          syz-fuzzer
  7074  293592  79896      0  3   0x4000082  thrsleep      syz-fuzzer
  7074  337953  79896      0  3   0x4000082  wait          syz-fuzzer
  7074   39196  79896      0  3   0x4000082  kqread        syz-fuzzer
 79896  121671  16886      0  3    0x10008a  sigsusp       ksh
 16886   32077  45584      0  3        0x9a  kqread        sshd
 52944  519712      1      0  3    0x100083  ttyin         getty
 45584   49565      1      0  3        0x88  kqread        sshd
 72279  287373  98252     74  3   0x1100092  bpf           pflogd
 98252  455548      1      0  3        0x80  netio         pflogd
 94986   54557  83131     73  3   0x1100090  kqread        syslogd
 83131    5601      1      0  3    0x100082  netio         syslogd
 37725  423577      1      0  3    0x100080  kqread        resolvd
 35945  301044  16626     77  3    0x100092  kqread        dhcpleased
 28593  134860  16626     77  3    0x100092  kqread        dhcpleased
 16626  322918      1      0  3        0x80  kqread        dhcpleased
 87651  388333      0      0  3     0x14200  bored         smr
 24733  369334      0      0  2     0x14200                zerothread
 57431  521377      0      0  3     0x14200  aiodoned      aiodoned
  3965  211580      0      0  3     0x14200  syncer        update
 57693  239479      0      0  3     0x14200  cleaner       cleaner
 50503  433652      0      0  3     0x14200  reaper        reaper
 51522  143840      0      0  3     0x14200  pgdaemon      pagedaemon
 23682   92376      0      0  3     0x14200  bored         viomb
 33563  444501      0      0  3  0x40014200  acpi0         acpi0
 45184  458156      0      0  3  0x40014200                idle1
 66912  330990      0      0  3     0x14200  bored         softnet
 88479  222174      0      0  3     0x14200  bored         softnet
 13651  220061      0      0  3     0x14200  bored         softnet
 42108  456721      0      0  3     0x14200  bored         softnet
 54321  493075      0      0  3     0x14200  bored         systqmp
 70256   45982      0      0  3     0x14200  bored         systq
 95324   99711      0      0  3  0x40014200  bored         softclock
 84711  441014      0      0  3  0x40014200                idle0
     1  265969      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &bd->bd_mtx r = 0 (0xffff800000bab418)
#0  witness_lock+0x44d
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  bpf_setif+0xd8 sys/net/bpf.c:1116
#4  bpfioctl+0x41d sys/net/bpf.c:880
#5  VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
#6  vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
#7  sys_ioctl+0x4a2
#8  syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8  syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
#9  Xsyscall+0x128
Process 60254 (syz-executor.3) thread 0xffff800026415260 (124788)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82aea558)
#0  witness_lock+0x44d
#1  vn_ioctl+0x41 sys/kern/vfs_vnops.c:508
#2  sys_ioctl+0x4a2
#3  syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#3  syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
#4  Xsyscall+0x128
exclusive mutex &bd->bd_mtx r = 0 (0xffff800000bab418)
#0  witness_lock+0x44d
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  bpf_setif+0xd8 sys/net/bpf.c:1116
#4  bpfioctl+0x41d sys/net/bpf.c:880
#5  VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
#6  vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
#7  sys_ioctl+0x4a2
#8  syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8  syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
#9  Xsyscall+0x128
Process 50732 (syz-executor.2) thread 0xffff8000ffff4a88 (163798)
exclusive rrwlock inode r = 0 (0xfffffd80699c3918)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4  ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6  ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7  ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8  VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9  domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8067c55c50)
#0  witness_lock+0x44d
#1  rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2  rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3  VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6  namei+0x36a sys/kern/vfs_lookup.c:244
#7  domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8  syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8  syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#9  Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10209   6552K    6735K  78643K     11678        0
            pcb    13     12K      17K  78643K       212        0
         rtable   238      7K       7K  78643K       369        0
         ifaddr    78     17K      17K  78643K       106        0
       counters    62     36K      36K  78643K        86        0
       ioctlops     0      0K       4K  78643K      1477        0
            iov     0      0K       2K  78643K        71        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1280     80K      80K  78643K      1369        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       5K  78643K         6        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       1K  78643K        31        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    14     49K      89K  78643K       331        0
          sigio     0      0K       0K  78643K         3        0
           proc    67     91K     140K  78643K       524        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        23        0
       in_multi    99      6K       7K  78643K       117        0
    ether_multi     1      0K       0K  78643K        11        0
            mrt     1      0K       0K  78643K         2        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    49    228K     228K  78643K        49        0
           exec     0      0K       1K  78643K       387        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     8     62K      64K  78643K        10        0
       UVM amap   254     77K      78K  78643K      3898        0
       UVM aobj    91      3K       3K  78643K       100        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP    13      0K       1K  78643K        35        0
           temp   131   4694K   70230K  78643K      6590        0
         kqueue    12     18K      22K  78643K        37        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       84    0       81     2     0     2     2     0     8    1
rtentry    112      117    0        7     4     0     4     4     0     8    0
unpcb      144      220    0      204     6     4     2     6     0     8    1
syncache   296        4    0        4     1     1     0     1     0     8    0
tcpqe       32     1458    0     1458     2     2     0     1     0     8    0
tcpcb      776       90    0       86     4     2     2     4     0     8    1
arp        120       18    0        0     1     0     1     1     0     8    0
inpcb      368      350    0      343    13     4     9    13     0     8    8
nd6         48       24    0        0     1     0     1     1     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1256      10    0        9     1     0     1     1     0     8    0
pppxif     1440       4    0        4     1     0     1     1     0     8    1
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      488    0       36    30     0    30    30     0     8    1
art_table   32      489    0       36     4     0     4     4     0     8    0
art_node    16      116    0       16     1     0     1     1     0     8    0
semupl     112        2    0        2     1     1     0     1     0     8    0
semapl     112       26    0       16     1     0     1     1     0     8    0
shmpl      112       97    0        9     3     0     3     3     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1728    0      288    91     0    91    91     0     8    0
ffsino     272     1728    0      288    97     0    97    97     0     8    0
nchpl      144     2235    0      556    63     0    63    63     0     8    0
uvmvnodes   80     1907    0        0    39     0    39    39     0     8    0
vnodes     216     1907    0        0   106     0   106   106     0     8    0
namei      1024    7641    0     7640     2     1     1     2     0     8    0
percpumem   16       55    0       12     1     0     1     1     0     8    0
kstatmem   264       38    0       12     2     0     2     2     0     8    0
scxspl     216     7353    0     7351     9     6     3     8     0     8    2
plimitpl   152       31    0       15     1     0     1     1     0     8    0
sigapl     424      647    0      601     8     2     6     7     0     8    0
futexpl     64     2212    0     2208     1     0     1     1     0     8    0
knotepl    120      332    0        0    10     0    10    10     0     8    0
kqueuepl   216       44    0       36     1     0     1     1     0     8    0
pipepl     320      237    0      209     8     0     8     8     0     8    5
fdescpl    496      630    0      603     5     1     4     5     0     8    0
filepl     152     3262    0     3016    16     0    16    16     0     8    6
lockfpl    104       38    0       35     1     0     1     1     0     8    0
lockfspl    48       17    0       14     1     0     1     1     0     8    0
sessionpl  144       24    0        7     1     0     1     1     0     8    0
pgrppl      48       24    0        7     1     0     1     1     0     8    0
ucredpl    104      143    0      131     1     0     1     1     0     8    0
zombiepl   144      603    0      601     1     0     1     1     0     8    0
processpl  1072     647    0      601     4     0     4     4     0     8    0
procpl     672     1109    0     1041     9     1     8     8     0     8    1
sockpl     488      654    0      628    33    17    16    25     0     8   12
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl16k     16384      1    0        0     1     0     1     1     0     8    0
mcl12k     12288      3    0        0     1     0     1     1     0     8    0
mcl9k      9216       3    0        0     1     0     1     1     0     8    0
mcl8k      8192      14    0        0     2     0     2     2     0     8    0
mcl4k      4096      10    0        0     2     0     2     2     0     8    0
mcl2k2     2112       1    0        0     1     0     1     1     0     8    0
mcl2k      2048     458    0        0    57     0    57    57     0     8    0
mtagpl      96       76    0        0     2     0     2     2     0     8    0
mbufpl     256      509    0        0    32     0    32    32     0     8    0
bufpl      288     4297    0      134   298     0   298   298     0     8    0
anonpl      24   177311    0   160198   128     6   122   125     0   186   12
amapchunkpl 152   11616    0    10838    37     3    34    36     0   158    1
amappl16   200     3236    0     2775    32     2    30    32     0     8    1
amappl15   192       17    0       15     1     0     1     1     0     8    0
amappl14   184      143    0      130     2     0     2     2     0     8    0
amappl13   176        3    0        3     1     1     0     1     0     8    0
amappl12   168      421    0      419     1     0     1     1     0     8    0
amappl11   160       58    0       43     1     0     1     1     0     8    0
amappl10   152       33    0       21     1     0     1     1     0     8    0
amappl9    144      937    0      936     2     1     1     1     0     8    0
amappl8    136      153    0      108     2     0     2     2     0     8    0
amappl7    128       51    0       34     1     0     1     1     0     8    0
amappl6    120      273    0      257     2     1     1     2     0     8    0
amappl5    112       90    0       78     1     0     1     1     0     8    0
amappl4    104      514    0      485     2     1     1     2     0     8    0
amappl3     96     1258    0     1204     2     0     2     2     0     8    0
amappl2     88      976    0      903     3     1     2     3     0     8    0
amappl1     80    16685    0    15933    23     5    18    23     0     8    0
amappl      88     3612    0     3429     5     0     5     5     0    92    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        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       99    0        9     2     0     2     2     0     8    0
uaddrrnd    24      631    0      604     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      631    0      604     1     0     1     1     0     8    0
vmmpekpl   168    10776    0    10721     3     0     3     3     0     8    0
vmmpepl    168    65454    0    62958   129     3   126   129     0   357    2
vmsppl     368      630    0      604     4     1     3     4     0     8    0
rwobjpl     56    22209    0    18566    53     0    53    53     0     8    0
pdppl      4096    1269    0     1208   111    42    69    81     0     8    8
pvpl        32   401290    0   378706   268    16   252   267     0   265   58
pmappl     248      630    0      604     3     1     2     3     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      749    0       50    21     0    21    21     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8292eff0) 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(ffffffff82aea350) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:117 [inline]
__mp_lock(ffffffff82aea350) at __mp_lock+0x120 sys/kern/kern_lock.c:147
syscall(ffff800028250520) at syscall+0x5bd mi_syscall_return sys/sys/syscall_mi.h:129 [inline]
syscall(ffff800028250520) at syscall+0x5bd sys/arch/amd64/amd64/trap.c:620
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3150, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff8292eff0) 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(ffffffff82aea350) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:117 [inline]
__mp_lock(ffffffff82aea350) at __mp_lock+0x120 sys/kern/kern_lock.c:147
syscall(ffff800028250520) at syscall+0x5bd mi_syscall_return sys/sys/syscall_mi.h:129 [inline]
syscall(ffff800028250520) at syscall+0x5bd sys/arch/amd64/amd64/trap.c:620
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd3150, count: -6
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(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline]
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125
bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880
VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2
syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb2a1901bc70, count: 5
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline]
bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125
bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880
VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2
syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb2a1901bc70, count: -10

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-openbsd-multicore 2022/11/25 12:32 openbsd 2a4e68fdcb09 75740b3f .config console log report [disk image] [bsd.gdb] [kernel image] assert "d->bd_in_uiomove == NUM" failed in bpf.c
* Struck through repros no longer work on HEAD.