syzbot


panic: acquiring blockabplaen i sc:le e p l kocek rn e l d ia g no s t i wci t ha s s e r t i o n "s!_pkienlro

Status: closed as invalid on 2022/03/22 11:46
Reported-by: syzbot+7ce86147c01e6c9fd771@syzkaller.appspotmail.com
First crash: 976d, last: 976d

Sample crash report:
panic: acquiring blockabplaen i sc:le e p   l kocek rn e l   d  ia  g no  s t i wci t ha s s e r t i o n    "s!_pkienlroncekl _ lo  c k_  h e l d( )  "   f ai l e  d :  f i l  e  " /  s y z k a l olre r/ cmarnaigteicrsal/ smueclttiiocno rhe/elkde r ne(lk/ersnyesl/_ulvomc/k)uv &m_kmearpn.elc_",l o  clk
ineStopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*266037  48547      0           0  0x4000000    1  syz-executor.6
 370338  23891      0     0x14000      0x200    0  reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d4cf130) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d4cf130) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d4cf018) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e509398,ffff80002e5093a4,8,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff80002e509398,ffff80002e5093a4,8,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e509398,ffff80002e5093a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd8076a1b100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd8076a1b100,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806bfa3400,ffff800000bfac80,fffffd806f67d1b0,0,0,fffffd806f67d138) at ip6_output+0xf57
rip6_output(fffffd806bfa3400,fffffd806d4cf5b8,ffff80002e509700,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d4cf5b8,9,fffffd806bfa3400,0,0,ffff8000ffff2a88) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
end trace frame: 0xffff80002e509880, count: 0
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/multicore/kernel/sys/uvm/uvm_map.c", line 2734
*cpu1: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d4cf130) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d4cf130) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d4cf018) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e509398,ffff80002e5093a4,8,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff80002e509398,ffff80002e5093a4,8,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e509398,ffff80002e5093a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd8076a1b100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd8076a1b100,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806bfa3400,ffff800000bfac80,fffffd806f67d1b0,0,0,fffffd806f67d138) at ip6_output+0xf57
rip6_output(fffffd806bfa3400,fffffd806d4cf5b8,ffff80002e509700,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d4cf5b8,9,fffffd806bfa3400,0,0,ffff8000ffff2a88) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd806d4cf5b8,0,ffff80002e509938,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff8000ffff2a88,5,ffff80002e509938,0,ffff80002e509a30) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff8000ffff2a88,ffff80002e5099d8,ffff80002e509a30) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002e509aa0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e509aa0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x91f58786750, count: -19
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002e508eb0
rbx               0xffff800020ce9bff
rdx                                0
rcx                                0
rax               0xffff8000ffff2a88
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x1ced986121823d64
r11               0x794ac5999e6edf21
r12               0xffff800020ce9a00
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff81f18858    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff80002e508ea0
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.6) pid=266037 stat=onproc
    flags process=0 proc=4000000<THREAD>
    pri=32, usrpri=83, nice=20
    forw=0xffffffffffffffff, list=0xffff800029520fc8,0xffff8000295217b8
    process=0xffff80002e498870 user=0xffff80002e504000, vmspace=0xfffffd806907c178
    estcpu=36, cpticks=4, pctcpu=0.0
    user=0, sys=3, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 48054   25859  51543      0  2           0                syz-executor.4
  4338  379892  66872      0  2           0                syz-executor.1
 76742  136123  43259      0  2           0                syz-executor.3
 48547  496555  42790      0  2           0                syz-executor.6
*48547  266037  42790      0  7   0x4000000                syz-executor.6
 66872  246845  46886      0  2       0x482                syz-executor.1
 42655  186425  46886      0  2         0x2                syz-executor.7
 58748  191580      0      0  3     0x14280  nfsidl        nfsio
 86255  302452      0      0  3     0x14280  nfsidl        nfsio
 55402  196062      0      0  3     0x14280  nfsidl        nfsio
  1711  406167      0      0  3     0x14280  nfsidl        nfsio
 46812  458725      0      0  3     0x14280  nfsidl        nfsio
 93367  369962      0      0  3     0x14280  nfsidl        nfsio
 49618  394569      0      0  3     0x14280  nfsidl        nfsio
 91737  360661      0      0  3     0x14280  nfsidl        nfsio
 47042  423293      0      0  3     0x14280  nfsidl        nfsio
  5069  143260      0      0  3     0x14280  nfsidl        nfsio
 89548   52160      0      0  3     0x14280  nfsidl        nfsio
 94460  399725      0      0  3     0x14280  nfsidl        nfsio
 37416  406705      0      0  3     0x14280  nfsidl        nfsio
 42457  330397      0      0  3     0x14280  nfsidl        nfsio
 40168  295120      0      0  3     0x14280  nfsidl        nfsio
  5018  273596      0      0  3     0x14280  nfsidl        nfsio
  7234  287725      0      0  3     0x14280  nfsidl        nfsio
 35317  207882      0      0  3     0x14280  nfsidl        nfsio
  2604  475617      0      0  3     0x14280  nfsidl        nfsio
 88536  423357      0      0  3     0x14280  nfsidl        nfsio
 43259  406980  46886      0  2       0x482                syz-executor.3
 86307   87815      1      0  3    0x100083  ttyin         getty
 94518  134790      0      0  3     0x14200  bored         sosplice
 42790  315471  46886      0  2       0x482                syz-executor.6
 51543  465514  46886      0  2       0x482                syz-executor.4
 78327  133183  46886      0  2       0x482                syz-executor.5
 54060  163824  46886      0  2       0x482                syz-executor.2
 46886  328511  68346      0  3        0x82  thrsleep      syz-fuzzer
 46886  475333  68346      0  2   0x4000482                syz-fuzzer
 46886  377295  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886   67418  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886  522137  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886  207975  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886  341668  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886  293294  68346      0  3   0x4000082  thrsleep      syz-fuzzer
 46886  415075  68346      0  2   0x4000002                syz-fuzzer
 68346  237327  57790      0  3    0x10008a  sigsusp       ksh
 57790  399888  60522      0  3        0x9a  kqread        sshd
 60522   99645      1      0  3        0x88  kqread        sshd
   652  140620  24044     74  3   0x1100092  bpf           pflogd
 24044   68635      1      0  3        0x80  netio         pflogd
 27385  289000  16895     73  3   0x1100090  kqread        syslogd
 16895  509945      1      0  3    0x100082  netio         syslogd
 11981    5777      1      0  3    0x100080  kqread        resolvd
 26111  519105   2502     77  3    0x100092  kqread        dhcpleased
 29254  233453   2502     77  3    0x100092  kqread        dhcpleased
  2502  193550      1      0  3        0x80  kqread        dhcpleased
 34914  233798      0      0  3     0x14200  pause         smr
 59986   56768      0      0  2     0x14200                zerothread
 96974  214187      0      0  3     0x14200  aiodoned      aiodoned
  2280   12842      0      0  3     0x14200  syncer        update
 71885  351711      0      0  3     0x14200  cleaner       cleaner
 23891  370338      0      0  7     0x14200                reaper
 50104  273992      0      0  3     0x14200  pgdaemon      pagedaemon
 67645  309783      0      0  3     0x14200  bored         viomb
 96345  134311      0      0  3  0x40014200  acpi0         acpi0
 91492  158158      0      0  3  0x40014200                idle1
 41457  319852      0      0  3     0x14200  bored         softnet
  8844  177275      0      0  3     0x14200  bored         systqmp
 42969   51754      0      0  3     0x14200  bored         systq
 43703   75671      0      0  2  0x40014200                softclock
 12033  241148      0      0  3  0x40014200                idle0
     1    6906      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a900b0)
#0  witness_lock+0x44d
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  rip6_input+0x1cf
#4  ip_deliver+0x322 sys/netinet/ip_input.c:657
#5  ip6_input_if+0x920
#6  ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#7  if_input_local+0x136 sys/net/if.c:778
#8  ip6_output+0xf57
#9  rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#11 sosend+0x632 sys/kern/uipc_socket.c:582
#12 dofilewritev+0x19c sys/kern/sys_generic.c:381
#13 sys_write+0x83 sys/kern/sys_generic.c:301
#14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#15 Xsyscall+0x128
Process 48547 (syz-executor.6) thread 0xffff8000ffff2a88 (266037)
exclusive rwlock netlock r = 0 (0xffffffff828f7720)
#0  witness_lock+0x44d
#1  solock+0x86 sys/kern/uipc_socket2.c:295
#2  sosend+0x517 sys/kern/uipc_socket.c:570
#3  dofilewritev+0x19c sys/kern/sys_generic.c:381
#4  sys_write+0x83 sys/kern/sys_generic.c:301
#5  syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5  syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#6  Xsyscall+0x128
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a900b0)
#0  witness_lock+0x44d
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  rip6_input+0x1cf
#4  ip_deliver+0x322 sys/netinet/ip_input.c:657
#5  ip6_input_if+0x920
#6  ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#7  if_input_local+0x136 sys/net/if.c:778
#8  ip6_output+0xf57
#9  rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#11 sosend+0x632 sys/kern/uipc_socket.c:582
#12 dofilewritev+0x19c sys/kern/sys_generic.c:381
#13 sys_write+0x83 sys/kern/sys_generic.c:301
#14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#15 Xsyscall+0x128
Process 42655 (syz-executor.7) thread 0xffff8000ffff4a80 (186425)
exclusive rrwlock inode r = 0 (0xfffffd806a8bf808)
#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  ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9  VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8066754f88)
#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  dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850
#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   6476K    6931K  78643K     14878        0
            pcb    16     11K      13K  78643K       272        0
         rtable   189      7K       9K  78643K       668        0
         ifaddr    68     15K      18K  78643K       261        0
         sysctl     2      0K       0K  78643K         2        0
       counters    50     34K      35K  78643K        98        0
       ioctlops     0      0K       6K  78643K      2869        0
            iov     0      0K      16K  78643K       182        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         5        0
         vnodes  1363     85K      85K  78643K      2649        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       9K  78643K        27        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K       291        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    13     45K      86K  78643K      1605        0
          sigio     0      0K       0K  78643K         7        0
           proc    70     87K     136K  78643K       775        0
        subproc    91      5K       6K  78643K       195        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     1      0K       0K  78643K        65        0
       in_multi    68      4K       6K  78643K       221        0
    ether_multi     2      0K       0K  78643K        19        0
            mrt     1      0K       0K  78643K        17        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       974        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   649   2672K    2682K  78643K     22077        0
       UVM aobj    51      4K       4K  78643K        51        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     2      0K       0K  78643K       106        0
            NDP     9      0K       1K  78643K        66        0
           temp    96   4715K    4779K  78643K     58730        0
         kqueue    12     18K      26K  78643K       134        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       71    0       68     1     0     1     1     0     8    0
rtentry    112      214    0      133     4     0     4     4     0     8    0
unpcb      136     1169    0     1154    15     6     9     9     0     8    8
syncache   296        4    0        4     1     1     0     1     0     8    0
tcpqe       32       84    0       84     1     1     0     1     0     8    0
tcpcb      736      702    0      693    16    15     1    10     0     8    0
arp        120       35    0       22     1     0     1     1     0     8    0
inpcb      312     1357    0     1346    18    12     6     6     0     8    5
rttmr       72        8    0        8     2     2     0     1     0     8    0
nd6         48       49    0       33     1     0     1     1     0     8    0
kcovpl      48       15    0        8     1     0     1     1     0     8    0
ppxss      1248       9    0        9     2     2     0     1     0     8    0
pffrag     232        6    0        5     1     0     1     1     0   482    0
pffrnode    88        6    0        5     1     0     1     1     0     8    0
pffrent     40       11    0       10     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfrktable  1344      16    0       13     1     0     1     1     0     8    0
pftag       88        8    0        6     1     0     1     1     0     8    0
pfstitem    24       19    0       17     1     0     1     1     0     8    0
pfstkey    112       25    0       23     1     0     1     1     0     8    0
pfstate    320       22    0       20     2     1     1     2     0     8    0
pfrule     1360     182    0      171     3     1     2     2     0     8    1
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      805    0      468    32     3    29    30     0     8    2
art_table   32      806    0      468     4     0     4     4     0     8    0
art_node    16      213    0      139     1     0     1     1     0     8    0
sysvmsgpl   40       20    0        5     1     0     1     1     0     8    0
semapl     112      221    0      211     1     0     1     1     0     8    0
shmpl      112       48    0        0     2     0     2     2     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     3429    0     1987    91     0    91    91     0     8    0
ffsino     272     3429    0     1987    97     0    97    97     0     8    0
nchpl      144     5585    0     3969    63     0    63    63     0     8    0
uvmvnodes   80     4596    0        0    94     0    94    94     0     8    0
vnodes     224     4596    0        0   271     0   271   271     0     8    0
namei      1024   21878    0    21878     3     2     1     2     0     8    1
percpumem   16       61    0       24     1     0     1     1     0     8    0
vcpupl     2048     476    0        0    60     0    60    60     0     8    0
vmpool     560      512    0       36    34     0    34    34     0     8    0
pfiaddrpl  120        6    0        3     1     0     1     1     0     8    0
scxspl     216    16130    0    16130    11    10     1     8     0     8    1
plimitpl   152      204    0      190     1     0     1     1     0     8    0
sigapl     424     1914    0     1851     8     0     8     8     0     8    0
futexpl     64    13514    0    13514     1     0     1     1     0     8    1
knotepl    120      122    0        0     4     0     4     4     0     8    0
kqueuepl   216      287    0      279     7     4     3     3     0     8    2
pipepl     336      284    0      259     5     0     5     5     0     8    2
fdescpl    496     1879    0     1853     5     1     4     5     0     8    0
filepl     152    12282    0    12058    24     6    18    18     0     8    8
lockfpl    104      585    0      583     3     1     2     2     0     8    1
lockfspl    48      283    0      281     1     0     1     1     0     8    0
sessionpl  144       32    0       16     1     0     1     1     0     8    0
pgrppl      48       38    0       22     1     0     1     1     0     8    0
ucredpl     96     1798    0     1785     1     0     1     1     0     8    0
zombiepl   144     1853    0     1851     1     0     1     1     0     8    0
processpl  1064    1914    0     1851     5     0     5     5     0     8    0
procpl     672     4810    0     4737     9     1     8     8     0     8    1
srpgc       96       18    0       18     3     2     1     1     0     8    1
sosppl     168        8    0        8     2     2     0     1     0     8    0
sockpl     480     2598    0     2569    57    45    12    34     0     8    8
mcl64k     65536      7    0        0     1     0     1     1     0     8    0
mcl16k     16384      3    0        0     1     0     1     1     0     8    0
mcl12k     12288     17    0        0     2     0     2     2     0     8    0
mcl9k      9216       6    0        0     1     0     1     1     0     8    0
mcl8k      8192      12    0        0     2     0     2     2     0     8    0
mcl4k      4096      12    0        0     2     0     2     2     0     8    0
mcl2k2     2112       3    0        0     1     0     1     1     0     8    0
mcl2k      2048     208    0        0    25     0    25    25     0     8    0
mtagpl      96      478    0        0    12     0    12    12     0     8    0
mbufpl     256      703    0        0    43     0    43    43     0     8    0
bufpl      288     5912    0      147   412     0   412   412     0     8    0
anonpl      24   514063    0   498964   155    28   127   148     0   186    0
amapchunkpl 152   51849    0    51055    43     3    40    41     0   158    0
amappl16   200     5774    0     5212    47    16    31    42     0     8    0
amappl15   192      527    0      521     1     0     1     1     0     8    0
amappl14   184       69    0       65     1     0     1     1     0     8    0
amappl13   176      321    0      319     1     0     1     1     0     8    0
amappl12   168       28    0       25     1     0     1     1     0     8    0
amappl11   160      211    0      193     1     0     1     1     0     8    0
amappl10   152      511    0      501     1     0     1     1     0     8    0
amappl9    144      654    0      652     1     0     1     1     0     8    0
amappl8    136      743    0      678     3     0     3     3     0     8    0
amappl7    128      146    0      136     1     0     1     1     0     8    0
amappl6    120      402    0      380     2     1     1     2     0     8    0
amappl5    112     1921    0     1899     1     0     1     1     0     8    0
amappl4    104     1390    0     1360     2     1     1     2     0     8    0
amappl3     96      277    0      266     1     0     1     1     0     8    0
amappl2     88      897    0      849     3     1     2     3     0     8    0
amappl1     80    36981    0    36446    19     5    14    19     0     8    0
amappl      88    21313    0    20907    11     0    11    11     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       50    0        0     1     0     1     1     0     8    0
uaddrrnd    24     2391    0     1888     4     0     4     4     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2391    0     1888     4     0     4     4     0     8    0
vmmpekpl   168    18005    0    17914     5     0     5     5     0     8    0
vmmpepl    168   179327    0   176488   174    25   149   149     0   357   11
vmsppl     368     2390    0     1888    47     0    47    47     0     8    0
rwobjpl     56    49231    0    42930    91     0    91    91     0     8    0
pdppl      4096    4789    0     4252   622    77   545   545     0     8    8
pvpl        32   971446    0   952058   262    51   211   255     0   265    7
pmappl     248     2390    0     1888    32     0    32    32     0     8    0
extentpl    40       58    0       38     1     0     1     1     0     8    0
phpool     112     1487    0      112    40     0    40    40     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8294dff0) 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(3f8,0,65) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,65) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,65) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(65) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(65) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff8258f849) at panic+0xd7 sys/kern/subr_prf.c:220
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8072c4c470) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8072c4c470) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: 1
ddb{0}> trace
x86_ipi_db(ffffffff8294dff0) 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(3f8,0,65) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,65) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,65) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(65) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(65) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff8258f849) at panic+0xd7 sys/kern/subr_prf.c:220
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8072c4c470) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8072c4c470) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: -14
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(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d4cf130) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d4cf130) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d4cf018) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e509398,ffff80002e5093a4,8,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff80002e509398,ffff80002e5093a4,8,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e509398,ffff80002e5093a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd8076a1b100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd8076a1b100,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806bfa3400,ffff800000bfac80,fffffd806f67d1b0,0,0,fffffd806f67d138) at ip6_output+0xf57
rip6_output(fffffd806bfa3400,fffffd806d4cf5b8,ffff80002e509700,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d4cf5b8,9,fffffd806bfa3400,0,0,ffff8000ffff2a88) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
end trace frame: 0xffff80002e509880, count: 0
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d4cf130) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d4cf130) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d4cf018) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e509398,ffff80002e5093a4,8,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff80002e509398,ffff80002e5093a4,8,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e509398,ffff80002e5093a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd8076a1b100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd8076a1b100,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806bfa3400,ffff800000bfac80,fffffd806f67d1b0,0,0,fffffd806f67d138) at ip6_output+0xf57
rip6_output(fffffd806bfa3400,fffffd806d4cf5b8,ffff80002e509700,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d4cf5b8,9,fffffd806bfa3400,0,0,ffff8000ffff2a88) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd806d4cf5b8,0,ffff80002e509938,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff8000ffff2a88,5,ffff80002e509938,0,ffff80002e509a30) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff8000ffff2a88,ffff80002e5099d8,ffff80002e509a30) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002e509aa0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e509aa0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x91f58786750, count: -19

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/21 23:50 openbsd 4ff57d1d979c e2d91b1d .config console log report ci-openbsd-multicore panic: acquiring blockabplaen i sc:le e p l kocek rn e l d ia g no s t i wci t ha s s e r t i o n "s!_pkienlro
* Struck through repros no longer work on HEAD.