syzbot


protection_fault: nd6_timer

Status: auto-obsoleted due to no activity on 2024/11/15 23:17
Reported-by: syzbot+0351a8f27b3722f884ab@syzkaller.appspotmail.com
First crash: 184d, last: 96d

Sample crash report:
kernel: protection fault trap, code=0
Stopped at      nd6_timer+0x97: movq    0x48(%rbx),%r13
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
nd6_timer(0) at nd6_timer+0x97 sys/netinet6/nd6.c:279
timeout_run(ffffffff836031d8) at timeout_run+0x118
softclock_thread(ffff8000ffffeca8) at softclock_thread+0x163 sys/kern/kern_timeout.c:811
end trace frame: 0x0, count: -3
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff800029f9b660
rbx               0xdeaf4152deaf4152
rdx                                0
rcx               0xffff8000ffffeca8
rax               0xffffffff834adff0    cpu_info_full_primary+0x1ff0
r8                                 0
r9                                 0
r10               0xa050ab859bd885e4
r11                0x98e8685d6320e25
r12                             0x84
r13                              0x1
r14                             0x89
r15               0xae9765aecef4adc5
rip               0xffffffff829ef4b7    nd6_timer+0x97
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800029f9b620
ss                              0x10
nd6_timer+0x97: movq    0x48(%rbx),%r13
ddb{0}> show proc
PROC (softclock) tid=397472 pid=45412 tcnt=1 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
    runpri=50, usrpri=50, slppri=0, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000fffff950,0xffff8000ffffea30
    process=0xffff800029f8dfb8 user=0xffff800029f96000, vmspace=0xffffffff83516a50
    estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 25277   89568  35103      0  2   0x8000000                syz-executor
 25277  103402  35103      0  3   0xc000080  fsleep        syz-executor
 85731  200154  29703      0  2   0x8000000                syz-executor
 85731  485611  29703      0  2   0xc000000                syz-executor
 84649  257919  57807      0  2   0x8000480                syz-executor
 84649   30976  57807      0  3   0xc000080  fsleep        syz-executor
 84649  430155  57807      0  3   0xc000080  fsleep        syz-executor
 40866  442027  76719      0  2   0x8000480                syz-executor
 40866  401304  76719      0  3   0xc000080  lockf         syz-executor
 40866  147981  76719      0  3   0xc000080  fsleep        syz-executor
 42643  272501  55243      0  2   0x8000000                syz-executor
 42643   48069  55243      0  3   0xc000080  fsleep        syz-executor
 42643   41822  55243      0  3   0xc000080  fsleep        syz-executor
 76719  509357  65753      0  2   0x8000482                syz-executor
 55243  244432  65753      0  2   0x8000482                syz-executor
 45675  159537  65753      0  2   0x8000002                syz-executor
 70772  285456  65753      0  2   0x8000002                syz-executor
 29703  245362  65753      0  2   0x8000482                syz-executor
 35103  422863  65753      0  2   0x8000482                syz-executor
 57807  269060  65753      0  2   0x8000482                syz-executor
  5540  354505  65753      0  2   0x8000482                syz-executor
 99388  198076      1      0  3  0x18100083  ttyin         getty
 64761  348273      0      0  3     0x14280  nfsidl        nfsio
 38639  180197      0      0  3     0x14280  nfsidl        nfsio
 32482  321143      0      0  3     0x14280  nfsidl        nfsio
 30554  473142      0      0  3     0x14280  nfsidl        nfsio
 46769  155198      0      0  3     0x14280  nfsidl        nfsio
 10041  521466      0      0  3     0x14280  nfsidl        nfsio
  3448  508637      0      0  3     0x14280  nfsidl        nfsio
 48860  225888      0      0  3     0x14280  nfsidl        nfsio
 74210   11836      0      0  3     0x14280  nfsidl        nfsio
 26506  275998      0      0  3     0x14280  nfsidl        nfsio
 81696  307033      0      0  3     0x14280  nfsidl        nfsio
 48737  260798      0      0  3     0x14280  nfsidl        nfsio
 12998  224607      0      0  3     0x14280  nfsidl        nfsio
 96423  515957      0      0  3     0x14280  nfsidl        nfsio
 12202   89108      0      0  3     0x14280  nfsidl        nfsio
 74398  334235      0      0  3     0x14280  nfsidl        nfsio
 89963  448535      0      0  3     0x14280  nfsidl        nfsio
 79586  298734      0      0  3     0x14280  nfsidl        nfsio
 64024  381724      0      0  3     0x14280  nfsidl        nfsio
 85819  480320      0      0  3     0x14280  nfsidl        nfsio
 60653  428674      0      0  3     0x14200  bored         sosplice
 65753  380060  51498      0  7   0x8000002                syz-executor
 51498  295099  30630      0  3   0x810008a  sigsusp       ksh
 30630   80592  51871      0  3  0x18000098  kqread        sshd-session
 51871  140885  74416      0  3  0x18000092  kqread        sshd-session
 74416  261855      1      0  3  0x18000088  kqread        sshd
 64167  469204  70680     74  3  0x19100092  bpf           pflogd
 70680  184296      1      0  3  0x18000080  sbwait        pflogd
 98804   27614  64059     73  2  0x19100010                syslogd
 64059  409952      1      0  3  0x18100082  sbwait        syslogd
 77518  349510      1      0  3  0x18100080  kqread        resolvd
  6078  330805  71864     77  3  0x18100092  kqread        dhcpleased
 46853  273186  71864     77  3  0x18100092  kqread        dhcpleased
 71864  254158      1      0  3  0x18000080  kqread        dhcpleased
 12148  205640      0      0  2  0x40014200                smr
  4086  381874      0      0  3     0x14200  pgzero        zerothread
 73808  347055      0      0  3     0x14200  aiodoned      aiodoned
 23905  350480      0      0  3     0x14200  syncer        update
 96983  310713      0      0  3     0x14200  cleaner       cleaner
 15319  423806      0      0  2     0x14200                reaper
 97948  456440      0      0  3     0x14200  pgdaemon      pagedaemon
 18097   77329      0      0  3     0x14200  bored         viomb
 82753  204663      0      0  3  0x40014200  acpi0         acpi0
 32301  468886      0      0  3  0x40014200                idle1
 48761  384702      0      0  3     0x14200  bored         softnet3
  8361  393199      0      0  3     0x14200  bored         softnet2
 61554  493746      0      0  3     0x14200  bored         softnet1
 71064  187833      0      0  2     0x14200                softnet0
 97880  433448      0      0  2     0x14200                systqmp
 77964  178427      0      0  3     0x14200  bored         systq
 25628  127097      0      0  3     0x14200  tmoslp        softclockmp
*45412  397472      0      0  7  0x40014200                softclock
 57480  185169      0      0  3  0x40014200                idle0
     1  523225      0      0  3   0x8000082  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 85731 (syz-executor) thread 0xffff800037236a58 (485611)
exclusive rrwlock inode r = 0 (0xfffffd806de8bb38)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120
#5  ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230
#6  ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8  VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9  domkdirat+0x179 sys/kern/vfs_syscalls.c:3100
#10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806df43708)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6  namei+0x7aa sys/kern/vfs_lookup.c:250
#7  domkdirat+0x8b sys/kern/vfs_syscalls.c:3085
#8  syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#8  syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
Process 70772 (syz-executor) thread 0xffff800034b8acd8 (285456)
exclusive rrwlock inode r = 0 (0xfffffd80630e71a8)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5  vget+0x2bd sys/kern/vfs_subr.c:676
#6  ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95
#7  ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
#8  ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478
#9  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#11 namei+0x7aa sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852
#13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e072918)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5  vget+0x2bd sys/kern/vfs_subr.c:676
#6  cache_lookup+0x36e sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#10 namei+0x7aa sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852
#12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
Process 98804 (syslogd) thread 0xffff8000ffffdbe8 (27614)
exclusive rrwlock inode r = 0 (0xfffffd806e4962c0)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5  sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927
#6  syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#6  syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 15319 (reaper) thread 0xffff800029fd9448 (423806)
exclusive rwlock vmmaplk r = 0 (0xfffffd806c3bdec8)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252
#3  uvm_map_teardown+0x5e sys/uvm/uvm_map.c:2466
#4  uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
#5  reaper+0x246 sys/kern/kern_exit.c:481
#6  proc_trampoline+0x10
Process 45412 (softclock) thread 0xffff8000ffffeca8 (397472)
exclusive rwlock netlock r = 0 (0xffffffff83463620)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  nd6_timer+0x51 sys/netinet6/nd6.c:272
#2  timeout_run+0x118
#3  softclock_thread+0x163 sys/kern/kern_timeout.c:811
#4  proc_trampoline+0x10
shared rwlock timeout r = 0 (0xffffffff834e1f20)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  timeout_run+0xf1 sys/kern/kern_timeout.c:659
#2  softclock_thread+0x163 sys/kern/kern_timeout.c:811
#3  proc_trampoline+0x10
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835583b8)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  __mp_acquire_count+0x58
#2  mi_switch+0x658 sys/kern/sched_bsd.c:460
#3  sleep_finish+0x219 sys/kern/kern_synch.c:416
#4  msleep+0x13b sys/kern/kern_synch.c:249
#5  softclock_thread+0x11f sys/kern/kern_timeout.c:807
#6  proc_trampoline+0x10
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10221  10299K   10564K 166960K     12363        0
            pcb    19     15K      16K 166960K       164        0
         rtable   227      7K       9K 166960K      1570        0
             pf    32     17K      22K 166960K       154        0
         ifaddr    39      7K       8K 166960K       210        0
        ifgroup    51      2K       2K 166960K       235        0
         sysctl     3      0K       0K 166960K         3        0
       counters    62     36K      36K 166960K       154        0
       ioctlops     0      0K       4K 166960K      1675        0
            iov     0      0K      12K 166960K        31        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1486     93K      94K 166960K      2680        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     3      5K       5K 166960K        11        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        35        0
        dirhash    12      2K       2K 166960K        24        0
           ACPI  1697    195K     286K 166960K     12548        0
      file desc    16     57K      93K 166960K      1163        0
          sigio     0      0K       0K 166960K        12        0
           proc    72    115K     140K 166960K      1668        0
        subproc   104      6K       6K 166960K       598        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        80        0
       in_multi    88      6K       7K 166960K       527        0
    ether_multi     2      0K       0K 166960K         3        0
            mrt     1      0K       0K 166960K         4        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   217    970K     970K 166960K       217        0
           exec     0      0K       1K 166960K      1053        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   251     77K      91K 166960K     10297        0
       UVM aobj    19      2K       2K 166960K        19        0
     pinsyscall    41     82K     105K 166960K      3224        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        31        0
            NDP    11      0K       2K 166960K       149        0
           temp    57   6819K    6884K 166960K     16641        0
         kqueue    13     20K      28K 166960K       102        0
      SYN cache     2      8K      16K 166960K         3        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       24    0        0     1     0     1     1     0     8    0
rtpcb      120      151    0      147     1     0     1     1     0     8    0
rtentry    112      544    0      441     6     2     4     4     0     8    0
unpcb      144      396    0      378     4     2     2     2     0     8    1
syncache   336        6    0        6     3     2     1     1     0     8    1
tcpqe       32        3    0        3     1     1     0     1     0     8    0
tcpcb      808      250    0      245    11     7     4     4     0     8    3
arp        120       97    0       81     1     0     1     1     0     8    0
inpcb      336     1104    0     1090    19     9    10    10     0     8    8
nd6        136      144    0      120     1     0     1     1     0     8    0
pkpcb       40        5    0        5     2     2     0     1     0     8    0
kcovpl      48       46    0       38     1     0     1     1     0     8    0
ppxss      1168       2    0        2     2     1     1     1     0     8    1
pffrag     232        2    0        1     2     1     1     1     0   482    0
pffrnode    88        2    0        1     2     1     1     1     0     8    0
pffrent     40        3    0        2     3     2     1     1     0     8    0
pfosfp      40     1429    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1429    0      714    21     0    21    21     0     8    0
pfrktable  1344       5    0        5     1     1     0     1     0     8    0
pfanchor   1288       1    0        1     1     1     0     1     0     8    0
pftag       88        2    0        2     1     1     0     1     0     8    0
pfstitem    24       21    0       19     1     0     1     1     0     8    0
pfstkey    128       21    0       19     1     0     1     1     0     8    0
pfstate    376       20    0       18     2     1     1     2     0     8    0
pfrule     1344      29    0       23     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256     2154    0     1734    38     9    29    29     0     8    0
art_table   32     2155    0     1734     4     0     4     4     0     8    0
art_node    16      542    0      448     1     0     1     1     0     8    0
sysvmsgpl   40       11    0        4     1     0     1     1     0     8    0
semapl     112       33    0       23     1     0     1     1     0     8    0
shmpl      112       16    0        0     1     0     1     1     0     8    0
dirhash    1024      25    0        8     3     0     3     3     0     8    0
dino2pl    256     2656    0     1077   100     0   100   100     0     8    0
ffsino     272     2656    0     1077   106     0   106   106     0     8    0
nchpl      144     3623    0     1876    65     0    65    65     0     8    0
uvmvnodes   80     3758    0        0    77     0    77    77     0     8    0
vnodes     216     3758    0        0   209     0   209   209     0     8    0
namei      1024   16747    0    16746     3     2     1     1     0     8    0
percpumem   16       91    0       46     1     0     1     1     0     8    0
vcpupl     3904       1    0        0     1     0     1     1     0     8    0
vmpool     696        2    0        1     1     0     1     1     0     8    0
pfiaddrpl  120        1    0        1     1     1     0     1     0     8    0
kstatmem   264      114    0       92     2     0     2     2     0     8    0
scsiplug    72        2    0        2     1     0     1     1     0     8    1
scxspl     216    26419    0    26419    11    10     1     8     1     8    1
plimitpl   152      185    0      166     1     0     1     1     0     8    0
sigapl     424     1409    0     1339    10     1     9     9     0     8    0
futexpl     64     9241    0     9235     6     5     1     1     0     8    0
knotepl    120      385    0        0    10     0    10    10     0     8    0
kqueuepl   216      181    0      172     2     1     1     2     0     8    0
pipepl     320      270    0      243     3     0     3     3     0     8    0
fdescpl    496     1368    0     1338     6     1     5     5     0     8    0
filepl     152     7855    0     7597    24     8    16    16     0     8    5
lockfpl    104      189    0      185     1     0     1     1     0     8    0
lockfspl    48       85    0       82     1     0     1     1     0     8    0
sessionpl  144       61    0       52     1     0     1     1     0     8    0
pgrppl      48      117    0      100     1     0     1     1     0     8    0
ucredpl    104     1429    0     1416     1     0     1     1     0     8    0
zombiepl   144     1341    0     1339     1     0     1     1     0     8    0
processpl  1160    1409    0     1339     6     0     6     6     0     8    0
procpl     648     2274    0     2196     9     1     8     8     0     8    0
srpgc       96        4    0        4     2     1     1     1     0     8    1
sosppl     168       11    0       11     2     2     0     1     0     8    0
sockpl     664     1662    0     1626    21     9    12    12     0     8    8
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl16k     16384      2    0        0     1     0     1     1     0     8    0
mcl9k      9216       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       6    0        0     1     0     1     1     0     8    0
mcl4k      4096       2    0        0     1     0     1     1     0     8    0
mcl2k      2048     230    0        0    29     0    29    29     0     8    0
mtagpl      96        8    0        0     1     0     1     1     0     8    0
mbufpl     256     1156    0        0    69     0    69    69     0     8    0
bufpl      280     7452    0      880   470     0   470   470     0     8    0
anonpl      24   257866    0   244696    84     4    80    80     0   185    0
amapchunkpl 152   33324    0    32252    48     5    43    43     0   158    0
amappl16   200     4578    0     4552    38    28    10    14     0     8    8
amappl15   192       46    0       45     2     1     1     1     0     8    0
amappl14   184      192    0      180     1     0     1     1     0     8    0
amappl13   176       10    0       10     1     1     0     1     0     8    0
amappl12   168     2611    0     2580     3     1     2     2     0     8    0
amappl11   160       52    0       38     1     0     1     1     0     8    0
amappl10   152       24    0       24     1     1     0     1     0     8    0
amappl9    144      155    0      155     1     1     0     1     0     8    0
amappl8    136       29    0       27     1     0     1     1     0     8    0
amappl7    128      181    0      169     1     0     1     1     0     8    0
amappl6    120      552    0      550     1     0     1     1     0     8    0
amappl5    112      291    0      279     1     0     1     1     0     8    0
amappl4    104      430    0      410     1     0     1     1     0     8    0
amappl3     96     6228    0     6097     4     0     4     4     0     8    0
amappl2     88     1141    0     1079     2     0     2     2     0     8    0
amappl1     80    13114    0    12524    18     4    14    14     0     8    0
amappl      88     9630    0     9444     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       18    0        0     1     0     1     1     0     8    0
uaddrrnd    24     1370    0     1339     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1370    0     1339     1     0     1     1     0     8    0
vmmpekpl   168    12917    0    12856     4     0     4     4     0     8    0
vmmpepl    168    90703    0    88791   114    19    95    96     0   357    9
vmsppl     440     1369    0     1338     6     2     4     5     0     8    0
rwobjpl     56    32200    0    27453    71     3    68    68     0     8    0
pdppl      4096    2747    0     2677   138    66    72    85     0     8    2
pvpl        32    45886    0        0   371     1   370   370     0   265    0
pmappl     248     1369    0     1338     3     0     3     3     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      529    0       98    13     0    13    13     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
nd6_timer(0) at nd6_timer+0x97 sys/netinet6/nd6.c:279
timeout_run(ffffffff836031d8) at timeout_run+0x118
softclock_thread(ffff8000ffffeca8) at softclock_thread+0x163 sys/kern/kern_timeout.c:811
end trace frame: 0x0, count: -3
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff835581b0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff835581b0) at __mp_lock+0x192 sys/kern/kern_lock.c:144
syscall(ffff80002a04e8a0) at syscall+0xa11 mi_syscall_return sys/sys/syscall_mi.h:207 [inline]
syscall(ffff80002a04e8a0) at syscall+0xa11 sys/arch/amd64/amd64/trap.c:598
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x704408ce84a0, count: -6

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/17 23:17 openbsd ef61d0404a18 dbc93b08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/08/13 05:32 openbsd 6fd6d0214b92 7b0f4b46 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/08/03 12:04 openbsd 58e8bf10994e 1786a2a8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/07/20 00:42 openbsd e16fc7747279 890ce4f3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/07/15 00:16 openbsd a04dd6c38cfa eaeb5c15 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/07/14 09:30 openbsd a6de02d933e6 eaeb5c15 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/07/14 01:27 openbsd 4fa86b90e8e4 eaeb5c15 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
2024/05/21 19:20 openbsd 6859a790d2a4 1014eca7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: nd6_timer
* Struck through repros no longer work on HEAD.