syzbot


protection_fault: bpfdetach

Status: upstream: reported on 2025/02/16 16:28
Reported-by: syzbot+47d95e88904ebdae1d04@syzkaller.appspotmail.com
First crash: 6d04h, last: 5d07h

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(ffff800001456800) at bpfdetach+0x70 sys/net/bpf.c:1769
if_detach(ffff800001456800) at if_detach+0x153 sys/net/if.c:1194
tun_clone_destroy(ffff800001456800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346
if_clone_destroy(ffff80003c54dcc0) at if_clone_destroy+0x1d7 sys/net/if.c:1383
ifioctl(ffff80000159ae30,80206979,ffff80003c54dcc0,ffff8000ffffa2a0) at ifioctl+0x5c5
sys_ioctl(ffff8000ffffa2a0,ffff80003c54dea0,ffff80003c54ddf0) at sys_ioctl+0x5c3
syscall(ffff80003c54dea0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c54dea0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8ddf26c24a0, count: -8
ddb{0}> show registers
rdi               0xffff80002ac91000
rsi                          0x2f103    acpi_pdirpa+0x1af74
rbp               0xffff80003c54dae0
rbx                       0x80206979    __kernel_virt_to_phys+0x206979
rdx               0xffff80002ac91000
rcx                          0x2f102    acpi_pdirpa+0x1af73
rax               0xffffffff82a714e9    bpfdetach+0xb9
r8                0xffffffffffffffff
r9                                 0
r10                                0
r11               0x8c4ce04beaddd1ca
r12               0xdead0002deadbeef
r13                            0x800
r14               0xffff800001456800
r15               0xdead0002deadbeef
rip               0xffffffff82a714a0    bpfdetach+0x70
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff80003c54dab0
ss                              0x10
bpfdetach+0x70: movq    0(%r15),%r12
ddb{0}> show proc
PROC (syz-executor) tid=452169 pid=15556 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=32, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000ffffb490,0xffff8000ffff79e8
    process=0xffff80003c526240 user=0xffff80003c548000, vmspace=0xfffffd806bea8c90
    estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 27622  468345  75889      0  7           0                syz-executor
 27622  202377  75889      0  2   0x4000000                syz-executor
 93169  309018  72641      0  3        0x80  nanoslp       syz-executor
 93169   62881  72641      0  3   0x4000080  fsleep        syz-executor
 15556  260830  63339      0  2           0                syz-executor
*15556  452169  63339      0  7   0x4000000                syz-executor
 15556   29480  63339      0  2   0x4000000                syz-executor
 70373  151354  23973      0  2           0                syz-executor
 70373  374211  23973      0  3   0x4000080  fifor         syz-executor
 70373  423415  23973      0  3   0x4000080  fifor         syz-executor
 70373  516427  23973      0  3   0x4000080  fsleep        syz-executor
 24880  168526  63829      0  3        0x80  nanoslp       syz-executor
 24880   27966  63829      0  3   0x4000080  kqread        syz-executor
 24880  427399  63829      0  3   0x4000080  fsleep        syz-executor
 26110   37887      0      0  3     0x14200  bored         sosplice
 14243  181018  30274      0  3        0x82  sbwait        sshd-session
 34111  325269      0      0  3     0x14280  nfsidl        nfsio
 50326  115942      0      0  3     0x14280  nfsidl        nfsio
 47925  412212      0      0  3     0x14280  nfsidl        nfsio
 53941  148904      0      0  3     0x14280  nfsidl        nfsio
  8767  288404      0      0  3     0x14280  nfsidl        nfsio
 99731  336697      0      0  3     0x14280  nfsidl        nfsio
 80420  402962      0      0  3     0x14280  nfsidl        nfsio
 56597   97674      0      0  3     0x14280  nfsidl        nfsio
 97306  425331      0      0  3     0x14280  nfsidl        nfsio
 51060   69464      0      0  3     0x14280  nfsidl        nfsio
 62370  124432      0      0  3     0x14280  nfsidl        nfsio
 84233  460443      0      0  3     0x14280  nfsidl        nfsio
  5126  516293      0      0  3     0x14280  nfsidl        nfsio
  1119  148972      0      0  3     0x14280  nfsidl        nfsio
 96493  349961      0      0  3     0x14280  nfsidl        nfsio
 35054  372835      0      0  3     0x14280  nfsidl        nfsio
 49166  492431      0      0  3     0x14280  nfsidl        nfsio
 33117  503062      0      0  3     0x14280  nfsidl        nfsio
 49196  220124      0      0  3     0x14280  nfsidl        nfsio
 85892   31048      0      0  3     0x14280  nfsidl        nfsio
 48211  110248  75488      0  2         0x2                syz-executor
 72641  210497  75488      0  3        0x82  nanoslp       syz-executor
 23973  207744  75488      0  3        0x82  nanoslp       syz-executor
 82892  410421  75488      0  3        0x82  nanoslp       syz-executor
 63829  283867  75488      0  3        0x82  nanoslp       syz-executor
 55770  442910  75488      0  2         0x3                syz-executor
 63339   92774  75488      0  3        0x82  nanoslp       syz-executor
 75889  165504  75488      0  3        0x82  nanoslp       syz-executor
 75488   40777  10205      0  2         0x2                syz-executor
 10205   52722  54914      0  3    0x10008a  sigsusp       ksh
 54914  138981  20309      0  3        0x98  kqread        sshd-session
 20309  181004  30274      0  3        0x92  kqread        sshd-session
 85114  439252      1      0  3    0x100083  ttyin         getty
 30274  353937      1      0  3        0x88  kqread        sshd
  5472  329814  64279     74  3   0x1100092  bpf           pflogd
 64279  197962      1      0  3        0x80  sbwait        pflogd
 14374  340963  51849     73  3   0x1100090  kqread        syslogd
 51849  378170      1      0  3    0x100082  sbwait        syslogd
 26273  245661      1      0  2    0x100001                resolvd
 99531  434821  48125     77  2    0x100012                dhcpleased
  1866  100332  48125     77  3    0x100092  kqread        dhcpleased
 48125  372301      1      0  3        0x80  kqread        dhcpleased
 51758  231104      0      0  3     0x14200  bored         smr
 37083  323445      0      0  2     0x14200                zerothread
  1125  381712      0      0  3     0x14200  aiodoned      aiodoned
 25326  184884      0      0  3     0x14200  syncer        update
 77842  157751      0      0  3     0x14200  cleaner       cleaner
 31423  373543      0      0  3     0x14200  reaper        reaper
  7942   43242      0      0  3     0x14200  pgdaemon      pagedaemon
 33539  515284      0      0  3     0x14200  bored         viomb
 25542  293179      0      0  3  0x40014200  acpi0         acpi0
 79253   41845      0      0  3  0x40014200                idle1
 78038   93798      0      0  3     0x14200  bored         softnet3
 42252  242759      0      0  3     0x14200  bored         softnet2
 25401  153227      0      0  3     0x14200  bored         softnet1
 48367   54290      0      0  3     0x14200  bored         softnet0
 62941   20135      0      0  3     0x14200  bored         systqmp
 74174  168683      0      0  3     0x14200  bored         systq
 91311  494381      0      0  3     0x14200  tmoslp        softclockmp
 39670  475071      0      0  3  0x40014200  tmoslp        softclock
 43707  275824      0      0  3  0x40014200                idle0
     1  212327      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 15556 (syz-executor) thread 0xffff8000ffffa2a0 (452169)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838cceb8)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  __mp_acquire_count+0x58
#2  mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3  sleep_finish+0x24f sys/kern/kern_synch.c:414
#4  rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292
#5  lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731
#6  vgonel+0x497 sys/kern/vfs_subr.c:1224
#7  vop_generic_revoke+0x3e6 sys/kern/vfs_default.c:128
#8  VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291
#9  vdevgone+0x17b
#10 bpfsdetach+0x140 sys/net/bpf.c:1793
#11 bpfdetach+0xa6
#12 if_detach+0x153 sys/net/if.c:1194
#13 tun_clone_destroy+0x2d6 sys/net/if_tun.c:346
#14 if_clone_destroy+0x1d7 sys/net/if.c:1383
#15 ifioctl+0x5c5
#16 sys_ioctl+0x5c3
#17 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#17 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#18 Xsyscall+0x128
exclusive rwlock clonelk r = 0 (0xffffffff837bc718)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  if_clone_destroy+0x67
#3  ifioctl+0x5c5
#4  sys_ioctl+0x5c3
#5  syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5  syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#6  Xsyscall+0x128
Process 48211 (syz-executor) thread 0xffff8000ffffc528 (110248)
exclusive rrwlock inode r = 0 (0xfffffd806dfcb740)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#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:3111
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c366df8)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#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:3096
#8  syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10215  11085K   11648K 166960K     12737        0
            pcb    17     17K      18K 166960K       195        0
         rtable   150      6K       7K 166960K       437        0
             pf    31     17K      20K 166960K        93        0
         ifaddr    30      5K       7K 166960K        73        0
        ifgroup    43      2K       2K 166960K       116        0
         sysctl     3      1K       3K 166960K         4        0
       counters    58     35K      36K 166960K       120        0
       ioctlops     0      0K       4K 166960K      1577        0
            iov     0      0K      40K 166960K        41        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1396     88K      88K 166960K      2151        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K        10        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        93        0
        dirhash    12      2K       2K 166960K        27        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    15     53K      93K 166960K       859        0
          sigio     0      0K       0K 166960K        81        0
           proc    72     91K     128K 166960K       575        0
        subproc    72      4K       4K 166960K        72        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       217        0
       in_multi    55      4K       7K 166960K       121        0
    ether_multi     1      0K       0K 166960K         5        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   229   1023K    1023K 166960K       229        0
           exec     0      0K       1K 166960K       517        0
   fusefs mount     1     32K      32K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   231     77K      87K 166960K      9926        0
       UVM aobj    23      6K       6K 166960K        25        0
     pinsyscall    43     86K     103K 166960K      1975        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        33        0
            NDP     9      0K       2K 166960K        47        0
           temp    63   8640K    8760K 166960K     34717        0
         kqueue    15     24K      28K 166960K       149        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       24    0        0     1     0     1     1     0     8    0
rtpcb      120       83    0       80     1     0     1     1     0     8    0
rtentry    112      128    0       68     4     0     4     4     0     8    0
unpcb      144      611    0      589     8     6     2     4     0     8    1
syncache   336       10    0       10     2     2     0     1     0     8    0
tcpqe       32        1    0        1     1     1     0     1     0     8    0
tcpcb      808      351    0      344    17    13     4     8     0     8    3
arp        120       21    0        7     1     0     1     1     0     8    0
inpcb      376     1096    0     1085    27    22     5    18     0     8    3
nd6        136       25    0       13     1     0     1     1     0     8    0
pkpcb       40        1    0        1     1     1     0     1     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1168      19    0       19     2     1     1     1     0     8    1
pppxif     1472       5    0        5     3     2     1     1     0     8    1
pffrag     232        9    0        1     1     0     1     1     0   482    0
pffrnode    88        9    0        1     1     0     1     1     0     8    0
pffrent     40       13    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        0     1     0     1     1     0     8    0
pfstitem    24       74    0       24     1     0     1     1     0     8    0
pfstkey    128       74    0       24     2     0     2     2     0     8    0
pfstate    376       74    0       24     6     0     6     6     0     8    0
pfrule     1344      23    0       16     2     1     1     2     0     8    0
rttmr      136        1    0        0     1     0     1     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      555    0      285    29     6    23    29     0     8    1
art_table   32      556    0      285     4     0     4     4     0     8    0
art_node    16      124    0       74     1     0     1     1     0     8    0
sysvmsgpl   40       12    0        8     1     0     1     1     0     8    0
semapl     112       90    0       80     1     0     1     1     0     8    0
shmpl      112       22    0        2     1     0     1     1     0     8    0
dirhash    1024      27    0       10     3     0     3     3     0     8    0
dino2pl    256     3105    0     1601    95     0    95    95     0     8    0
ffsino     280     3105    0     1601   109     0   109   109     0     8    0
nchpl      144     4356    0     2660    63     0    63    63     0     8    0
rtmask      32        2    0        2     2     1     1     1     0     8    1
uvmvnodes   80     3549    0        0    73     0    73    73     0     8    0
vnodes     216     3549    0        0   198     0   198   198     0     8    0
namei      1024   14457    0    14456     2     1     1     2     0     8    0
percpumem   16       74    0       31     1     0     1     1     0     8    0
kstatmem   264       60    0       42     2     0     2     2     0     8    0
scsiplug    72        2    0        2     2     2     0     1     0     8    0
scxspl     216    12776    0    12776    10     8     2     8     1     8    2
plimitpl   152      214    0      197     1     0     1     1     0     8    0
sigapl     424     1187    0     1117     9     0     9     9     0     8    0
futexpl     64    11355    0    11352     1     0     1     1     0     8    0
knotepl    120      507    0        0    16     0    16    16     0     8    0
kqueuepl   216      238    0      225     1     0     1     1     0     8    0
pipepl     328      254    0      226     8     5     3     8     0     8    0
fdescpl    504     1147    0     1116     5     0     5     5     0     8    0
filepl     152     7609    0     7385    24    13    11    19     0     8    1
lockfpl    104      356    0      354     1     0     1     1     0     8    0
lockfspl    48       87    0       85     1     0     1     1     0     8    0
sessionpl  144       29    0       19     1     0     1     1     0     8    0
pgrppl      48       40    0       22     1     0     1     1     0     8    0
ucredpl    104     1690    0     1677     1     0     1     1     0     8    0
zombiepl   144     1445    0     1444     1     0     1     1     0     8    0
processpl  1168    1187    0     1117     6     0     6     6     0     8    0
procpl     656     2477    0     2398     8     0     8     8     0     8    0
srpgc       96        6    0        6     2     1     1     1     0     8    1
sosppl     168        6    0        6     3     2     1     1     0     8    1
sockpl     688     1801    0     1765    26    19     7    19     0     8    2
mcl64k     65536      3    0        0     1     0     1     1     0     8    0
mcl16k     16384      2    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096     105    0        0    14     1    13    14     0     8    0
mcl2k      2048      33    0        0     4     0     4     4     0     8    0
mtagpl      96      241    0        0     6     0     6     6     0     8    0
mbufpl     256      447    0        0    28     0    28    28     0     8    0
bufpl      280     3879    0      128   268     0   268   268     0     8    0
anonpl      24   170220    0   166675    51     2    49    49     0   184   18
amapchunkpl 152   31809    0    31323    38     2    36    36     0   158   14
amappl16   200     3306    0     3271    21    10    11    15     0     8    8
amappl15   192        8    0        8     2     2     0     1     0     8    0
amappl14   184      144    0      130     1     0     1     1     0     8    0
amappl13   176        6    0        6     2     2     0     1     0     8    0
amappl12   168     1797    0     1766     4     1     3     3     0     8    0
amappl11   160       64    0       50     1     0     1     1     0     8    0
amappl10   152        6    0        6     2     2     0     1     0     8    0
amappl9    144      267    0      267     1     1     0     1     0     8    0
amappl8    136       28    0       25     1     0     1     1     0     8    0
amappl7    128      114    0      101     1     0     1     1     0     8    0
amappl6    120      185    0      180     1     0     1     1     0     8    0
amappl5    112      123    0      113     1     0     1     1     0     8    0
amappl4    104      340    0      323     1     0     1     1     0     8    0
amappl3     96     6322    0     6208     4     0     4     4     0     8    0
amappl2     88      710    0      641     2     0     2     2     0     8    0
amappl1     80    11658    0    11002    16     0    16    16     0     8    0
amappl      88     9474    0     9305     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       24    0        2     1     0     1     1     0     8    0
uaddrrnd    24     1147    0     1116     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1147    0     1116     1     0     1     1     0     8    0
vmmpekpl   168    11528    0    11490     3     0     3     3     0     8    0
vmmpepl    168    77414    0    75442   106     5   101   101     0   357    5
vmsppl     456     1146    0     1116     5     0     5     5     0     8    0
rwobjpl     64    26849    0    22238    76     0    76    76     0     8    1
pdppl      4096    2301    0     2232   111    38    73    85     0     8    4
pvpl        32    17617    0        0   145     2   143   143     0   265    0
pmappl     248     1146    0     1116     3     0     3     3     0     8    0
extentpl    40       55    0       38     1     0     1     1     0     8    0
phpool     112      325    0       64     8     0     8     8     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
bpfdetach(ffff800001456800) at bpfdetach+0x70 sys/net/bpf.c:1769
if_detach(ffff800001456800) at if_detach+0x153 sys/net/if.c:1194
tun_clone_destroy(ffff800001456800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346
if_clone_destroy(ffff80003c54dcc0) at if_clone_destroy+0x1d7 sys/net/if.c:1383
ifioctl(ffff80000159ae30,80206979,ffff80003c54dcc0,ffff8000ffffa2a0) at ifioctl+0x5c5
sys_ioctl(ffff8000ffffa2a0,ffff80003c54dea0,ffff80003c54ddf0) at sys_ioctl+0x5c3
syscall(ffff80003c54dea0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c54dea0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8ddf26c24a0, count: -8
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029a9bff0) 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
end of kernel
end trace frame: 0x708f09c53a10, count: -3

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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.