syzbot


assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c (3)

Status: upstream: reported on 2024/04/20 10:28
Reported-by: syzbot+116f728e8f2fd3210d63@syzkaller.appspotmail.com
First crash: 18d, last: 7h57m
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c (2) 1 150d 150d 0/3 auto-obsoleted due to no activity on 2024/03/09 03:03
openbsd assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c 1 707d 707d 0/3 auto-obsoleted due to no activity on 2022/08/30 06:16

Sample crash report:
panic: kernel diagnostic assertion "pmap->pm_type != PMAP_TYPE_EPT" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/pmap.c", line 412
Stopped at      db_enter+0x1c:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*481670  67690      0     0x14000      0x200    1  reaper
 134375  28375      0     0x14000 0x40000200    0  softclock
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8295be6b) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff8290d832,ffffffff82936d90,19c,ffffffff8293f53d) at __assert+0x29 sys/kern/subr_prf.c:157
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:426 [inline]
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 sys/arch/amd64/amd64/pmap.c:1950
uvm_anfree_list(fffffd806a9365e8,0) at uvm_anfree_list+0x98
amap_wipeout(fffffd80638d8c68) at amap_wipeout+0x1af sys/uvm/uvm_amap.c:502
uvm_unmap_detach(ffff80002a155d60,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
uvm_map_teardown(fffffd807eff3370) at uvm_map_teardown+0x2f8 sys/uvm/uvm_map.c:2554
uvmspace_free(fffffd807eff3370) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: 5
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "pmap->pm_type != PMAP_TYPE_EPT" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/pmap.c", line 412
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8295be6b) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff8290d832,ffffffff82936d90,19c,ffffffff8293f53d) at __assert+0x29 sys/kern/subr_prf.c:157
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:426 [inline]
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 sys/arch/amd64/amd64/pmap.c:1950
uvm_anfree_list(fffffd806a9365e8,0) at uvm_anfree_list+0x98
amap_wipeout(fffffd80638d8c68) at amap_wipeout+0x1af sys/uvm/uvm_amap.c:502
uvm_unmap_detach(ffff80002a155d60,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
uvm_map_teardown(fffffd807eff3370) at uvm_map_teardown+0x2f8 sys/uvm/uvm_map.c:2554
uvmspace_free(fffffd807eff3370) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: -10
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002a155b00
rbx               0xffff800029cecd77
rdx                                0
rcx               0xffff80002a149488
rax               0xffff800029cebff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x1bfe48c1c1dbd70d
r11               0xca5d9ec25f6543df
r12               0xffff800029cecb78
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff821a238c    db_enter+0x1c
cs                               0x8
rflags                         0x246
rsp               0xffff80002a155af0
ss                              0x10
db_enter+0x1c:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (reaper) tid=481670 pid=67690 tcnt=1 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
    runpri=84, usrpri=86, slppri=4, nice=20
    wchan=0x0, wmesg=, ps_single=0x0
    forw=0xffffffffffffffff, list=0xffff80002a149718,0xffff80002a149208
    process=0xffff80002a15b548 user=0xffff80002a150000, vmspace=0xffffffff82d78d30
    estcpu=36, cpticks=8, pctcpu=34.90, user=0, sys=8, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 83450  520842  28751      0  2   0x8000000                syz-executor.5
 83450   85783  28751      0  3   0xc000080  kqread        syz-executor.5
 28751  361952  34328      0  2   0x8000482                syz-executor.5
 85257  145826  34328      0  2   0x8000002                syz-executor.7
  4247  370563  34328      0  3   0x8000002  biowait       syz-executor.6
 52014   90385  34328      0  2   0x8000002                syz-executor.0
 33599  437037  34328      0  2   0x8000002                syz-executor.3
 46448   69976  34328      0  2   0x8000082                syz-executor.2
  3889  274758      0      0  3     0x14200  acct          acct
 41565  193752  34328      0  3   0x8000002  biowait       syz-executor.4
 45832  418364  34328      0  2   0x8000002                syz-executor.1
 85263  433434      0      0  3     0x14200  bored         sosplice
 91775  257435      0      0  3     0x14280  nfsidl        nfsio
 49077  181475      0      0  3     0x14280  nfsidl        nfsio
 18604  139604      0      0  3     0x14280  nfsidl        nfsio
 64015  431325      0      0  3     0x14280  nfsidl        nfsio
 24992  413211      0      0  3     0x14280  nfsidl        nfsio
 38012  312249      0      0  3     0x14280  nfsidl        nfsio
 38431  307054      0      0  3     0x14280  nfsidl        nfsio
 37651  149811      0      0  3     0x14280  nfsidl        nfsio
 14379  355168      0      0  3     0x14280  nfsidl        nfsio
 57765  475732      0      0  3     0x14280  nfsidl        nfsio
 66397  312608      0      0  3     0x14280  nfsidl        nfsio
 15607   66404      0      0  3     0x14280  nfsidl        nfsio
 96084  492947      0      0  3     0x14280  nfsidl        nfsio
  6054  387007      0      0  3     0x14280  nfsidl        nfsio
  5044  520321      0      0  3     0x14280  nfsidl        nfsio
 97048   88922      0      0  3     0x14280  nfsidl        nfsio
 99121  191390      0      0  3     0x14280  nfsidl        nfsio
 31495  155831      0      0  3     0x14280  nfsidl        nfsio
 43144  157377      0      0  3     0x14280  nfsidl        nfsio
  4058  295978      0      0  3     0x14280  nfsidl        nfsio
 34328  501522  84459      0  3  0x1a000082  thrsleep      syz-fuzzer
 34328  380214  84459      0  2  0x1e000482                syz-fuzzer
 34328  473028  84459      0  3  0x1e000082  thrsleep      syz-fuzzer
 34328  343255  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328  341349  84459      0  3  0x1e000082  thrsleep      syz-fuzzer
 34328  446489  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328  197567  84459      0  3  0x1e000082  thrsleep      syz-fuzzer
 34328  437307  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328  147163  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328  147417  84459      0  3  0x1e000082  thrsleep      syz-fuzzer
 34328  369841  84459      0  3  0x1e000082  thrsleep      syz-fuzzer
 34328  355675  84459      0  2  0x1e000082                syz-fuzzer
 34328  288667  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328   51537  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328   16365  84459      0  3  0x1e000082  wait          syz-fuzzer
 34328  500077  84459      0  3  0x1e000082  wait          syz-fuzzer
 84459  401635  67977      0  3   0x810008a  sigsusp       ksh
 67977  436084  23016      0  3  0x1800009a  kqread        sshd
 94603    6527      1      0  3  0x18100083  ttyin         getty
 23016   60647      1      0  3  0x18000088  kqread        sshd
 30679  367724  12694     73  2  0x19100010                syslogd
 12694  309943      1      0  3  0x18100082  sbwait        syslogd
 84653   96733      1      0  3  0x18100080  kqread        resolvd
  1490  101380  61257     77  3  0x18100092  kqread        dhcpleased
 87514  316666  61257     77  3  0x18100092  kqread        dhcpleased
 61257  127679      1      0  3  0x18000080  kqread        dhcpleased
 29912  458426      0      0  3     0x14200  bored         smr
 34713  260891      0      0  2     0x14200                zerothread
 90876   71639      0      0  3     0x14200  aiodoned      aiodoned
 55783  464907      0      0  3     0x14200  syncer        update
  1767  354445      0      0  3     0x14200  cleaner       cleaner
*67690  481670      0      0  7     0x14200                reaper
 52445    1055      0      0  3     0x14200  pgdaemon      pagedaemon
 76171  140710      0      0  3     0x14200  bored         viomb
 60482  143899      0      0  3  0x40014200  acpi0         acpi0
 77596  512027      0      0  3  0x40014200                idle1
 65443   19948      0      0  3     0x14200  bored         softnet3
 26251  442446      0      0  3     0x14200  bored         softnet2
 22318  366761      0      0  3     0x14200  bored         softnet1
 46632  345257      0      0  2     0x14200                softnet0
 74211  125155      0      0  3     0x14200  bored         systqmp
 63505   51984      0      0  3     0x14200  bored         systq
 74797  503806      0      0  3     0x14200  tmoslp        softclockmp
 28375  134375      0      0  7  0x40014200                softclock
 68645  233788      0      0  3  0x40014200                idle0
     1  297037      0      0  3   0x8080082  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 4247 (syz-executor.6) thread 0xffff8000ffff5218 (370563)
exclusive rrwlock inode r = 0 (0xfffffd806e8d54e8)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5  vget+0x1fd sys/kern/vfs_subr.c:676
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#8  ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478
#9  VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
#11 namei+0x56a sys/kern/vfs_lookup.c:250
#12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855
#13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806f4af810)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418
#6  namei+0x56a sys/kern/vfs_lookup.c:250
#7  dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855
#8  syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#8  syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#9  Xsyscall+0x128
Process 41565 (syz-executor.4) thread 0xffff8000ffff59c8 (193752)
exclusive rrwlock inode r = 0 (0xfffffd80699cdc50)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5  vget+0x1fd sys/kern/vfs_subr.c:676
#6  ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7  ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#8  ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478
#9  VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
#11 namei+0x56a sys/kern/vfs_lookup.c:250
#12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855
#13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068446f78)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5  vget+0x1fd sys/kern/vfs_subr.c:676
#6  cache_lookup+0x2b3 sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
#10 namei+0x56a sys/kern/vfs_lookup.c:250
#11 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855
#12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
Process 30679 (syslogd) thread 0xffff8000ffffdc40 (367724)
exclusive rrwlock inode r = 0 (0xfffffd806e7494e0)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5  sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904
#6  syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#6  syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 67690 (reaper) thread 0xffff80002a149488 (481670)
exclusive rwlock amaplk r = 0 (0xfffffd806ae14b08)
#0  witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x446 sys/kern/subr_witness.c:1157
#1  amap_unref+0x2f sys/uvm/uvm_amap.c:1360
#2  uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
#3  uvm_map_teardown+0x2f8 sys/uvm/uvm_map.c:2554
#4  uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
#5  reaper+0x197 sys/kern/kern_exit.c:463
#6  proc_trampoline+0x10
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10200   6448K    6898K 166960K     13374        0
            pcb    17     14K      16K 166960K       248        0
         rtable   200     14K      16K 166960K       923        0
             pf    39     10K      11K 166960K       111        0
         ifaddr    42     14K      15K 166960K       121        0
        ifgroup    70      2K       3K 166960K       175        0
         sysctl     1      0K       1K 166960K         2        0
       counters    72     37K      37K 166960K       130        0
       ioctlops     0      0K       4K 166960K      1569        0
            iov     0      0K      24K 166960K        96        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1441     91K      91K 166960K      2768        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K      13K 166960K        55        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K       168        0
        dirhash    12      2K       2K 166960K        54        0
           ACPI  1697    195K     286K 166960K     12548        0
      file desc    11     37K      77K 166960K      1868        0
          sigio     0      0K       0K 166960K        32        0
           proc    58     79K     103K 166960K       921        0
        subproc   104      6K       7K 166960K       261        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       368        0
       in_multi    70      5K       7K 166960K       302        0
    ether_multi     1      0K       0K 166960K         6        0
            mrt     0      0K       0K 166960K         4        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   121    546K     546K 166960K       121        0
           exec     0      0K       1K 166960K       827        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   250    100K     118K 166960K     18504        0
       UVM aobj    75      5K       5K 166960K        80        0
     pinsyscall    31     62K     100K 166960K      3365        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K       131        0
            NDP    15      0K       2K 166960K        84        0
           temp    78   6820K   14756K 166960K     73139        0
         kqueue    12     18K      28K 166960K       296        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{1}> 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      236    0      233     1     0     1     1     0     8    0
rtentry    112      299    0      210     4     0     4     4     0     8    0
unpcb      144     1710    0     1697     9     8     1     7     0     8    0
syncache   336        8    0        8     5     5     0     1     0     8    0
sackhl      24        1    0        1     1     1     0     1     0     8    0
tcpqe       32      107    0      107     1     1     0     1     0     8    0
tcpcb      808      705    0      700    20    19     1     8     0     8    0
arp        120       55    0       38     1     0     1     1     0     8    0
inpcb      384     2259    0     2249    38    36     2    24     0     8    0
nd6        136       74    0       57     1     0     1     1     0     8    0
pkpcb       40        5    0        5     4     4     0     1     0     8    0
kcovpl      48       20    0       12     1     0     1     1     0     8    0
ppxss      1168       7    0        7     6     6     0     1     0     8    0
pffrag     232       17    0       13     1     0     1     1     0   482    0
pffrnode    88       14    0       10     1     0     1     1     0     8    0
pffrent     40       71    0       67     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
pfstitem    24      161    0      136     1     0     1     1     0     8    0
pfstkey    128      161    0      136     2     0     2     2     0     8    0
pfstate    376      161    0      136     5     1     4     5     0     8    0
pfrule     1344      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       4    0        2     4     2     2     3     0     8    0
art_heap4  256     1053    0      701    32     5    27    30     0     8    0
art_table   32     1057    0      703     4     0     4     4     0     8    0
art_node    16      295    0      218     1     0     1     1     0     8    0
sysvmsgpl   40       10    0        3     1     0     1     1     0     8    0
semupl     112        2    0        2     1     1     0     1     0     8    0
semapl     112      165    0      155     1     0     1     1     0     8    0
shmpl      112       77    0        5     3     0     3     3     0     8    0
dirhash    1024      45    0       28     3     0     3     3     0     8    0
dino2pl    256     4561    0     3034    96     0    96    96     0     8    0
ffsino     272     4561    0     3034   102     0   102   102     0     8    0
nchpl      144     7430    0     6829    67    41    26    67     0     8    0
uvmvnodes   80     5560    0        0   114     0   114   114     0     8    0
vnodes     216     5560    0        0   309     0   309   309     0     8    0
namei      1024   26704    0    26704     5     4     1     3     0     8    1
percpumem   16       79    0       29     1     0     1     1     0     8    0
vcpupl     3904       8    0        1     1     0     1     1     0     8    0
vmpool     696       14    0        7     1     0     1     1     0     8    0
kstatmem   264       88    0       58     3     0     3     3     0     8    0
scsiplug    72        4    0        4     3     3     0     1     0     8    0
scxspl     216    48837    0    48835    20    18     2     8     1     8    1
plimitpl   152      379    0      363     1     0     1     1     0     8    0
sigapl     424     2183    0     2119     8     0     8     8     0     8    0
futexpl     64    29210    0    29210     4     3     1     1     0     8    1
knotepl    120      707    0        0    19     1    18    19     0     8    0
kqueuepl   216      760    0      751    11    10     1     5     0     8    0
pipepl     320      376    0      348     3     0     3     3     0     8    0
fdescpl    496     2143    0     2121     6     2     4     5     0     8    0
filepl     152    15005    0    14768    37    26    11    23     0     8    0
lockfpl    104      489    0      487     1     0     1     1     0     8    0
lockfspl    48      220    0      218     1     0     1     1     0     8    0
sessionpl  144       35    0       18     1     0     1     1     0     8    0
pgrppl      48       57    0       40     1     0     1     1     0     8    0
ucredpl    104     2971    0     2960     1     0     1     1     0     8    0
zombiepl   144     2121    0     2119     1     0     1     1     0     8    0
processpl  1136    2183    0     2119     6     0     6     6     0     8    0
procpl     656     4255    0     4175    11     2     9    10     0     8    0
srpgc       96       14    0       14     5     5     0     1     0     8    0
sosppl     168       25    0       25     8     8     0     1     0     8    0
sockpl     664     4231    0     4207    44    40     4    22     0     8    2
mcl64k     65536      6    0        0     1     0     1     1     0     8    0
mcl8k      8192       4    0        0     1     0     1     1     0     8    0
mcl4k      4096       4    0        0     1     0     1     1     0     8    0
mcl2k      2048     366    0        0    41     0    41    41     0     8    0
mtagpl      96       11    0        0     1     0     1     1     0     8    0
mbufpl     256      983    0        0    58     0    58    58     0     8    0
bufpl      280    12345    0     3526   630     0   630   630     0     8    0
anonpl      24   384729    0   379087   121    54    67    94     0   186   10
amapchunkpl 152   61915    0    61346    79    38    41    51     0   158    7
amappl16   200     8043    0     7924    49    39    10    20     0     8    0
amappl15   192        7    0        7     2     2     0     1     0     8    0
amappl14   184      215    0      202     2     1     1     2     0     8    0
amappl13   176       19    0       18     1     0     1     1     0     8    0
amappl12   168     3086    0     3061     4     1     3     3     0     8    0
amappl11   160       51    0       41     1     0     1     1     0     8    0
amappl10   152       55    0       46     1     0     1     1     0     8    0
amappl9    144      174    0      174     2     2     0     1     0     8    0
amappl8    136      188    0      151     2     0     2     2     0     8    0
amappl7    128       79    0       66     1     0     1     1     0     8    0
amappl6    120      486    0      473     2     1     1     2     0     8    0
amappl5    112      213    0      201     1     0     1     1     0     8    0
amappl4    104      726    0      692     2     0     2     2     0     8    0
amappl3     96    11859    0    11798     3     0     3     3     0     8    0
amappl2     88     2591    0     2527     3     1     2     3     0     8    0
amappl1     80    15785    0    15301    22    10    12    22     0     8    0
amappl      88    17730    0    17569     6     0     6     6     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       79    0        5     2     0     2     2     0     8    0
uaddrrnd    24     2157    0     2128     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2157    0     2128     1     0     1     1     0     8    0
vmmpekpl   168    18738    0    18670     4     0     4     4     0     8    0
vmmpepl    168   147301    0   145670   157    61    96   112     0   357    5
vmsppl     440     2156    0     2127     5     0     5     5     0     8    0
rwobjpl     56    45220    0    38537    98     2    96    96     0     8    0
pdppl      4096    4321    0     4261   182   108    74    76     0     8   14
pvpl        32    44907    0        0   363     0   363   363     0   265    0
pmappl     248     2156    0     2127     5     2     3     3     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      560    0      151    12     0    12    12     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1e:        addq    $0x8,%rsp
x86_ipi_db(ffffffff82ca8ff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82e18848) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e18848) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff82e18848,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x491 sys/kern/sched_bsd.c:470
sleep_finish(0,1) at sleep_finish+0x19a sys/kern/kern_synch.c:417
msleep(ffffffff82d65b60,ffffffff82c73aa0,0,ffffffff82953e26,0) at msleep+0xeb sys/kern/kern_synch.c:249
softclock_thread(ffff8000fffff480) at softclock_thread+0xcf sys/kern/kern_timeout.c:810
end trace frame: 0x0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff82ca8ff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82e18848) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e18848) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff82e18848,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x491 sys/kern/sched_bsd.c:470
sleep_finish(0,1) at sleep_finish+0x19a sys/kern/kern_synch.c:417
msleep(ffffffff82d65b60,ffffffff82c73aa0,0,ffffffff82953e26,0) at msleep+0xeb sys/kern/kern_synch.c:249
softclock_thread(ffff8000fffff480) at softclock_thread+0xcf sys/kern/kern_timeout.c:810
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x1c:  addq    $0x8,%rsp
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8295be6b) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff8290d832,ffffffff82936d90,19c,ffffffff8293f53d) at __assert+0x29 sys/kern/subr_prf.c:157
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:426 [inline]
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 sys/arch/amd64/amd64/pmap.c:1950
uvm_anfree_list(fffffd806a9365e8,0) at uvm_anfree_list+0x98
amap_wipeout(fffffd80638d8c68) at amap_wipeout+0x1af sys/uvm/uvm_amap.c:502
uvm_unmap_detach(ffff80002a155d60,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
uvm_map_teardown(fffffd807eff3370) at uvm_map_teardown+0x2f8 sys/uvm/uvm_map.c:2554
uvmspace_free(fffffd807eff3370) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: 5
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8295be6b) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff8290d832,ffffffff82936d90,19c,ffffffff8293f53d) at __assert+0x29 sys/kern/subr_prf.c:157
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:426 [inline]
pmap_page_remove(fffffd80082e10e0) at pmap_page_remove+0x5a4 sys/arch/amd64/amd64/pmap.c:1950
uvm_anfree_list(fffffd806a9365e8,0) at uvm_anfree_list+0x98
amap_wipeout(fffffd80638d8c68) at amap_wipeout+0x1af sys/uvm/uvm_amap.c:502
uvm_unmap_detach(ffff80002a155d60,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
uvm_map_teardown(fffffd807eff3370) at uvm_map_teardown+0x2f8 sys/uvm/uvm_map.c:2554
uvmspace_free(fffffd807eff3370) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: -10

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/08 02:53 openbsd 7284c0c62173 4cf3f9b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c
2024/04/29 16:33 openbsd b205d946bc4d 27e33c58 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c
2024/04/20 10:28 openbsd 55906bae5af5 af24b050 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pmap->pm_type != PMAP_TYPE_EPT" failed in pmap.c
* Struck through repros no longer work on HEAD.