syzbot


protection_fault: bpfdetach

Status: upstream: reported on 2025/02/16 16:28
Reported-by: syzbot+47d95e88904ebdae1d04@syzkaller.appspotmail.com
First crash: 278d, last: 2d00h

Sample crash report:
kernel: protection fault trap, code=0
Stopped at  bpfdetach+0x70:   movq  0(%r15),%r12
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
bpfdetach(ffff800010fda000) at bpfdetach+0x70 sys/net/bpf.c:1770
if_detach(ffff800010fda000) at if_detach+0x1bb sys/net/if.c:1222
tun_clone_destroy(ffff800010fda000) at tun_clone_destroy+0x2ce sys/net/if_tun.c:340
if_clone_destroy(ffff800037ff4a20) at if_clone_destroy+0x205 sys/net/if.c:1412
ifioctl(ffff80000163c368,80206979,ffff800037ff4a20,ffff80003c00afb8) at ifioctl+0x59d sys/net/if.c:2089
sys_ioctl(ffff80003c00afb8,ffff800037ff4c00,ffff800037ff4b50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff800037ff4c00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037ff4c00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc5dda7d0510, count: -8
ddb{0}> show registers
rdi               0xffff80002abd1000
rsi                          0x146c7   acpi_pdirpa+0x538
rbp               0xffff800037ff4840
rbx                       0x80206979   __kernel_virt_to_phys+0x206979
rdx               0xffff80002abd1000
rcx                          0x146c6   acpi_pdirpa+0x537
rax               0xffffffff82c1db79   bpfdetach+0xb9
r8                                 0
r9                0xffffffffffffffff
r10               0x3c85da84f3de9749
r11               0x5b87d5261b0ea2c3
r12               0xdead0002dead4110
r13               0xffff800010fda600
r14               0xffff800010fda000
r15               0xdead0002dead4110
rip               0xffffffff82c1db30   bpfdetach+0x70
cs                               0x8
rflags                       0x10246   __ALIGN_SIZE+0xf246
rsp               0xffff800037ff4810
ss                                 0
bpfdetach+0x70:   movq  0(%r15),%r12
ddb{0}> show proc
PROC (syz-executor) tid=258511 pid=72270 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=32, usrpri=82, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff80003c00a028,0xffff80003c00a568
    process=0xffff8000347e5d08 user=0xffff800037fef000, vmspace=0xfffffd806cb2f5d0
    estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
  9232  331225  70688      0  2           0                syz-executor
  9232  329305  70688      0  2   0x4000000                syz-executor
  9232  362639  70688      0  2   0x4000000                syz-executor
 72270  460899  69503      0  3        0x80  nanoslp       syz-executor
*72270  258511  69503      0  7   0x4000000                syz-executor
 72270  434817  69503      0  3   0x4000080  kqsel         syz-executor
 20188  184723  22282      0  2           0                syz-executor
 20188  106330  22282      0  3   0x4000080  fsleep        syz-executor
 13753  137981  10030      0  2           0                syz-executor
 13753   34910  10030      0  3   0x4000080  fsleep        syz-executor
 99426  291752  52522      0  2           0                syz-executor
 99426  277764  52522      0  2   0x4000000                syz-executor
 46670  495679  18970      0  2         0x1                syz-executor
 46670  404327  18970      0  2   0x4000000                syz-executor
 46670  108168  18970      0  2   0x4000000                syz-executor
 46524  234591  49386      0  3        0x80  nanoslp       syz-executor
 46524  493655  49386      0  3   0x4000080  ttyin         syz-executor
 46524   56494  49386      0  3   0x4000080  fsleep        syz-executor
 46524  203312  49386      0  3   0x4000080  fsleep        syz-executor
 22674  339950      0      0  3     0x14280  nfsidl        nfsio
 64760  397351      0      0  3     0x14280  nfsidl        nfsio
 16110  159274      0      0  3     0x14280  nfsidl        nfsio
 40113  131941      0      0  3     0x14280  nfsidl        nfsio
 69503  244720  37326      0  3        0x82  nanoslp       syz-executor
 93476    9729      0      0  3     0x14200  acct          acct
 22282  237731  37326      0  3        0x82  nanoslp       syz-executor
 52522  321088  37326      0  3        0x82  nanoslp       syz-executor
 10030  332811  37326      0  3        0x82  nanoslp       syz-executor
 70688  264744  37326      0  3        0x82  nanoslp       syz-executor
 49386  231493  37326      0  3        0x82  nanoslp       syz-executor
 18970  339517  37326      0  3        0x82  nanoslp       syz-executor
  7972  501153  37326      0  2         0x2                syz-executor
 37326  364610   3521      0  3        0x82  kqread        syz-executor
  3521  356397  39838      0  3    0x10008a  sigsusp       ksh
 39838  273579  66984      0  3        0x98  kqread        sshd-session
 66984   55371  91181      0  3        0x92  kqread        sshd-session
 57266   78733      1      0  3    0x100083  ttyopn        getty
 91181  245086      1      0  3        0x88  kqread        sshd
 34929  474588  31285     74  3   0x1100092  bpf           pflogd
 31285  494402      1      0  3        0x80  sbwait        pflogd
 85989  253336  59680     73  3   0x1100090  kqread        syslogd
 59680  378473      1      0  3    0x100082  sbwait        syslogd
 71956   38253      1      0  3    0x100080  kqread        resolvd
 77953  302814  20644     77  3    0x100092  kqread        dhcpleased
 65245  448804  20644     77  3    0x100092  kqread        dhcpleased
 20644  177021      1      0  3        0x80  kqread        dhcpleased
 57548  151950      0      0  3     0x14200  bored         smr
 65482  281207      0      0  2     0x14200                zerothread
 38743  183123      0      0  3     0x14200  aiodoned      aiodoned
 70903  477004      0      0  3     0x14200  syncer        update
 25084  302396      0      0  3     0x14200  cleaner       cleaner
 72127  476448      0      0  3     0x14200  reaper        reaper
 79665  352659      0      0  3     0x14200  pgdaemon      pagedaemon
 58347  287013      0      0  3     0x14200  bored         viomb
 24963  263781      0      0  3  0x40014200  acpi0         acpi0
 39703  500810      0      0  7  0x40014200                idle1
 97104  166604      0      0  3     0x14200  bored         softnet1
 63216  471708      0      0  3     0x14200  bored         softnet0
 51791  300117      0      0  3     0x14200  smrbar        systqmp
 78452  512440      0      0  2     0x14200                systq
 24430  358404      0      0  3     0x14200  tmoslp        softclockmp
 38271  423927      0      0  3  0x40014200  tmoslp        softclock
 39828   36374      0      0  3  0x40014200                idle0
     1  484948      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 9232 (syz-executor) thread 0xffff80003c00bcb0 (362639)
exclusive rwlock vmmaplk r = 0 (0xfffffd806cb2f8b8)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2  uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902
#3  uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699
#4  uvm_fault+0x106 sys/uvm/uvm_fault.c:633
#5  upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#6  usertrap+0x42f sys/arch/amd64/amd64/trap.c:622
#7  recall_trap+0x8
Process 72270 (syz-executor) thread 0xffff80003c00afb8 (258511)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8395f9b0)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2  sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#3  rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298
#4  lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731
#5  vgonel+0x47e sys/kern/vfs_subr.c:1216
#6  vop_generic_revoke+0x3ea sys/kern/vfs_default.c:124
#7  VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291
#8  vdevgone+0x17b sys/kern/vfs_subr.c:-1
#9  bpfsdetach+0x155 sys/net/bpf.c:1794
#10 bpfdetach+0xa6 sys/net/bpf.c:-1
#11 if_detach+0x1bb sys/net/if.c:1222
#12 tun_clone_destroy+0x2ce sys/net/if_tun.c:340
#13 if_clone_destroy+0x205 sys/net/if.c:1412
#14 ifioctl+0x59d sys/net/if.c:2089
#15 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#16 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#16 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#17 Xsyscall+0x128
exclusive rwlock clonelk r = 0 (0xffffffff838070e8)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  if_clone_destroy+0x93 sys/net/if.c:-1
#3  ifioctl+0x59d sys/net/if.c:2089
#4  sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#5  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#6  Xsyscall+0x128
Process 7972 (syz-executor) thread 0xffff8000ffffd9f8 (501153)
exclusive rrwlock inode r = 0 (0xfffffd806bf5e6a8)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vget+0x2a2 sys/kern/vfs_subr.c:686
#6  cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765
#13 Xsyscall+0x128
Process 51791 (systqmp) thread 0xffff8000ffffe7c8 (300117)
shared rwlock systqmp r = 0 (0xffffffff837cd398)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  taskq_thread+0x12a sys/kern/kern_task.c:442
#2  proc_trampoline+0x10
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10236  11308K   12501K 166960K     13067        0
            pcb    17     15K      17K 166960K       179        0
         rtable   217      8K       9K 166960K       478        0
             pf    38     18K   67486K 166960K       127        0
         ifaddr    40      7K       7K 166960K        86        0
        ifgroup    59      2K       3K 166960K       140        0
         sysctl     4      1K       9K 166960K        11        0
       counters    68     36K      37K 166960K       222        0
       ioctlops     0      0K       4K 166960K      1682        0
            iov     0      0K      16K 166960K        31        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1461     92K      93K 166960K      2170        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K        11        0
         VM map     2      1K       1K 166960K         2        0
            sem    10      0K       0K 166960K        17        0
        dirhash    12      2K       3K 166960K        30        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K      93K 166960K       697        0
          sigio     0      0K       0K 166960K        18        0
           proc    72    115K     164K 166960K       603        0
        subproc    72      4K       4K 166960K        81        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        62        0
       in_multi    88      6K       7K 166960K       144        0
    ether_multi     1      0K       0K 166960K         7        0
            mrt     1      0K       0K 166960K         1        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   229   1023K    1023K 166960K       229        0
           exec     0      0K       1K 166960K       438        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   242    151K     166K 166960K      8379        0
       UVM aobj    45      6K       6K 166960K        50        0
     pinsyscall    42     84K     104K 166960K      1887        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        37        0
            NDP    12      0K       2K 166960K        55        0
           temp    82   8676K    8748K 166960K     39792        0
         kqueue    15     24K      30K 166960K       128        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       26    0        0     1     0     1     1     0     8    0
rtpcb      120       85    0       82     1     0     1     1     0     8    0
rtentry    176      145    0       53     5     0     5     5     0     8    0
unpcb      144      365    0      346     2     1     1     2     0     8    0
syncache   336        5    0        5     2     2     0     1     0     8    0
tcpqe       32        3    0        3     2     2     0     1     0     8    0
tcpcb      736      266    0      259     8     6     2     7     0     8    1
arp        136       22    0        6     1     0     1     1     0     8    0
inpcb      328      714    0      704    11     9     2    10     0     8    0
nd6        152       28    0        6     1     0     1     1     0     8    0
pkpcb       40        5    0        5     2     1     1     1     0     8    1
kcovpl      48        9    0        1     1     0     1     1     0     8    0
mppekey    1024       2    0        2     1     1     0     1     0     8    0
ppxss      1192      65    0       65     2     1     1     1     0     8    1
pppxif     1504       6    0        6     2     1     1     1     0     8    1
pfstscr     40        3    0        2     1     0     1     1     0     8    0
pffrag     232        9    0        2     1     0     1     1     0   482    0
pffrnode    88        7    0        1     1     0     1     1     0     8    0
pffrent     40       12    0        5     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       1    0        1     1     0     1     1     0     8    1
pfanchor   1288       3    0        1     2     1     1     1     0     8    0
pfstitem    24       50    0       11     1     0     1     1     0     8    0
pfstkey    128       51    0       12     2     0     2     2     0     8    0
pfstate    448       50    0       12     6     0     6     6     0     8    0
pfrule     1344      24    0       19     2     1     1     2     0     8    0
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      597    0      217    31     7    24    31     0     8    0
art_table   40      599    0      217     5     0     5     5     0     8    0
art_node    32      145    0       61     1     0     1     1     0     8    0
sysvmsgpl   40       46    0        6     1     0     1     1     0     8    0
semapl     112       13    0        5     1     0     1     1     0     8    0
shmpl      112       44    0        4     2     0     2     2     0     8    0
dirhash    1024      29    0       12     3     0     3     3     0     8    0
dino2pl    256     2694    0     1189    96     0    96    96     0     8    0
ffsino     296     2694    0     1189   118     1   117   118     0     8    0
nchpl      144     3633    0     1928    64     0    64    64     0     8    0
rtmask      32        7    0        7     2     2     0     1     0     8    0
vnodes     216     3334    0        0   186     0   186   186     0     8    0
namei      1024   12188    0    12188     2     1     1     2     0     8    1
percpumem   16      126    0       77     1     0     1     1     0     8    0
vcpupl     3968       2    0        0     1     0     1     1     0     8    0
vmpool     840        3    0        1     1     0     1     1     0     8    0
kstatmem   264       76    0       50     3     0     3     3     0     8    0
scsiplug    72        3    0        3     1     1     0     1     0     8    0
scxspl     216    15346    0    15346    11    10     1     8     1     8    1
plimitpl   152      273    0      255     1     0     1     1     0     8    0
sigapl     424     1019    0      967     7     1     6     7     0     8    0
knotepl    120      318    0        0    10     0    10    10     0     8    0
kqueuepl   224      283    0      271     5     4     1     5     0     8    0
pipepl     344      163    0      136     3     0     3     3     0     8    0
fdescpl    528      998    0      967     3     0     3     3     0     8    0
filepl     160     5431    0     5207    15     4    11    14     0     8    1
lockfpl    104      361    0      357     2     1     1     2     0     8    0
lockfspl    48      157    0      153     1     0     1     1     0     8    0
sessionpl  144       25    0       16     1     0     1     1     0     8    0
pgrppl      48       39    0       22     1     0     1     1     0     8    0
ucredpl    104      802    0      789     1     0     1     1     0     8    0
zombiepl   144     1087    0     1087     2     1     1     1     0     8    1
processpl  1232    1019    0      967     6     1     5     5     0     8    0
procpl     664     2042    0     1978     6     0     6     6     0     8    0
sosppl     176        5    0        5     2     1     1     1     0     8    1
sockpl     752     1183    0     1151    16    11     5    14     0     8    1
mcl64k     65536      4    0        0     1     0     1     1     0     8    0
mcl16k     16384      1    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl9k      9216       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096     122    0        0    16     0    16    16     0     8    0
mcl2k      2048      22    0        0     3     0     3     3     0     8    0
mtagpl      96       77    0        0     2     0     2     2     0     8    0
mbufpl     256     1584    0        0    99     0    99    99     0     8    0
bufpl      280     5503    0      131   384     0   384   384     0     8    0
anonpl      32     9203    0        0    75     0    75    75     0   246    0
amapchunkpl 152   27473    0    26981    41     8    33    33     0   158   12
amappl16   200     3151    0     3117    23     8    15    15     0     8    9
amappl15   192        6    0        6     1     1     0     1     0     8    0
amappl14   184        3    0        3     1     1     0     1     0     8    0
amappl13   176      443    0      442     1     0     1     1     0     8    0
amappl12   168     1380    0     1338     3     0     3     3     0     8    0
amappl11   160        7    0        7     1     1     0     1     0     8    0
amappl10   152       76    0       62     1     0     1     1     0     8    0
amappl9    144      314    0      314     1     1     0     1     0     8    0
amappl8    136       26    0       23     1     0     1     1     0     8    0
amappl7    128       85    0       84     1     0     1     1     0     8    0
amappl6    120      296    0      282     1     0     1     1     0     8    0
amappl5    112       83    0       72     1     0     1     1     0     8    0
amappl4    104      449    0      421     1     0     1     1     0     8    0
amappl3     96     4678    0     4586     4     1     3     3     0     8    0
amappl2     88     1128    0     1050     2     0     2     2     0     8    0
amappl1     80    12096    0    11503    14     0    14    14     0     8    0
amappl      88     7500    0     7335     5     0     5     5     0    92    0
uvmvnodes   80      111    0        0     3     0     3     3     0     8    0
dma8192    8192       1    0        1     1     1     0     1     0     8    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       2    0        1     1     0     1     1     0     8    0
dma256     256        7    0        7     2     2     0     1     0     8    0
dma128     128      254    0      254     2     2     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       49    0        5     1     0     1     1     0     8    0
uaddrrnd    24      998    0      967     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      998    0      967     1     0     1     1     0     8    0
vmmpekpl   168     9910    0     9863     3     0     3     3     0     8    0
vmmpepl    168    70661    0    68732   105     9    96    96     0   357    7
vmsppl     488      997    0      967     6     2     4     5     0     8    0
rwobjpl     80    21612    0    20529    28     1    27    27     0     8    0
pdppl      4096    2010    0     1938   112    38    74    86     0     8    2
pvpl        32    17644    0        0   145     2   143   143     0   265    0
pmappl     256     1000    0      968     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      392    0       59    10     0    10    10     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
bpfdetach(ffff800010fda000) at bpfdetach+0x70 sys/net/bpf.c:1770
if_detach(ffff800010fda000) at if_detach+0x1bb sys/net/if.c:1222
tun_clone_destroy(ffff800010fda000) at tun_clone_destroy+0x2ce sys/net/if_tun.c:340
if_clone_destroy(ffff800037ff4a20) at if_clone_destroy+0x205 sys/net/if.c:1412
ifioctl(ffff80000163c368,80206979,ffff800037ff4a20,ffff80003c00afb8) at ifioctl+0x59d sys/net/if.c:2089
sys_ioctl(ffff80003c00afb8,ffff800037ff4c00,ffff800037ff4b50) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff800037ff4c00) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037ff4c00) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc5dda7d0510, count: -8
ddb{0}> machine ddbcpu 1
Stopped at  x86_ipi_db+0x27:  addq  $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: -5

Crashes (44):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/19 16:23 openbsd 809b9478d116 82d7b894 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/11/18 01:38 openbsd 8720e5dd1696 ef766cd7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/11/16 09:27 openbsd 9c41abc406e3 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/11/09 13:02 openbsd e187005a6767 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/10/29 11:37 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/10/28 20:13 openbsd 46d840b2b363 fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/10/18 07:49 openbsd 47c08dbbd8a3 1c8c8cd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/10/12 00:48 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/10/06 06:08 openbsd 005f30971033 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/09/24 18:01 openbsd 3b2384bb597f 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/09/17 21:56 openbsd cfdf5dc3e7db e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/09/15 20:19 openbsd f5fd5ebfe1eb e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/09/11 03:27 openbsd 56696e8786be fdeaa69b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/08/26 06:41 openbsd 07d23478ec82 bf27483f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/08/20 14:39 openbsd 8dd4d68c0f49 0b9605c8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/08/15 02:24 openbsd bc42849e5050 1804e95e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/08/14 08:05 openbsd 7a15ea66e78c 22ec1469 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/08/08 18:23 openbsd 297fbc8e674e 32a0e5ed .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/08/01 08:20 openbsd 3b565b651350 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/07/27 19:35 openbsd 7b0d12c26b01 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/07/27 03:19 openbsd 6ef41150cbc6 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/07/23 17:58 openbsd ceb7068b172a 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/07/21 09:37 openbsd df9e633562d5 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/07/18 16:31 openbsd 5561167ae35d 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/07/17 03:41 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/07/16 18:25 openbsd 054bb2fd459c 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/07/15 13:18 openbsd feb5a82c5bff 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/07/12 10:45 openbsd 36cc672466d3 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/06/29 14:17 openbsd b4d1cb14c459 fc9d8ee5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/06/17 14:03 openbsd 154de61c2e99 a5686133 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/06/16 12:43 openbsd b38eaba60654 d1716036 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/06/10 05:28 openbsd eb252dbb8be6 4826c28e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/06/09 16:58 openbsd 1ccd80029b5d 4826c28e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/06/06 05:41 openbsd b57dcb7bc7e3 6b6b5f21 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/06/03 20:25 openbsd e4273848146a a30356b7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/05/17 18:02 openbsd 007267a8c99a f41472b0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/05/16 05:41 openbsd 84d74105a289 cfde8269 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/04/11 09:46 openbsd 5990a1963d9d 94486846 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/04/01 07:11 openbsd 6cbbb384a28a e2826670 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/03/08 12:51 openbsd 083866324387 7e3bd60d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/03/04 05:09 openbsd 4602d4e06be3 c3901742 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main protection_fault: bpfdetach
2025/02/23 19:47 openbsd c8d1658b9cef d34966d1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/02/17 13:02 openbsd c48feb9479a9 4121cf9d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
2025/02/16 16:27 openbsd 3411e7e2a484 40a34ec9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore protection_fault: bpfdetach
* Struck through repros no longer work on HEAD.