syzbot


uvm_fault: pool_gc_pages (2)

Status: auto-obsoleted due to no activity on 2024/11/20 01:16
Reported-by: syzbot+7202a0d96d31ccd6b9ba@syzkaller.appspotmail.com
First crash: 295d, last: 106d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: pool_gc_pages 4 779d 966d 0/3 auto-obsoleted due to no activity on 2023/01/17 22:31

Sample crash report:
uvm_fault(0xffffffff83542b70, 0x0, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at      pool_gc_pages+0x2c5:    movq    %rax,0(%rcx)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 182315  39374      0     0x14000      0x200    1  softnet0
*460784  61107      0     0x14000      0x200    0  systqmp
pool_gc_pages(0) at pool_gc_pages+0x2c5 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x2c5 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff83495e20) at taskq_thread+0x157 sys/kern/kern_task.c:448
end trace frame: 0x0, count: 13
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{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffffff83542b70, 0x0, 0, 2) -> e
ddb{0}> trace
pool_gc_pages(0) at pool_gc_pages+0x2c5 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x2c5 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff83495e20) at taskq_thread+0x157 sys/kern/kern_task.c:448
end trace frame: 0x0, count: -2
ddb{0}> show registers
rdi                                0
rsi                            0xf90
rbp               0xffff800029fad770
rbx                            0xf90
rdx                                0
rcx                                0
rax                                0
r8                                 0
r9                                 0
r10               0xee45c34d25e3f3d4
r11               0x7241f9617ef9f49f
r12                      0x1dcd65000
r13               0xfffffd8059243f90
r14                                0
r15               0xffffffff834f9190    sosplice_pool
rip               0xffffffff82958625    pool_gc_pages+0x2c5
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800029fad730
ss                                 0
pool_gc_pages+0x2c5:    movq    %rax,0(%rcx)
ddb{0}> show proc
PROC (systqmp) tid=460784 pid=61107 tcnt=1 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
    runpri=32, usrpri=51, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000ffffe288,0xffff8000ffffe7a8
    process=0xffff800029f8c000 user=0xffff800029fa8000, vmspace=0xffffffff83542b70
    estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=4, intr=3
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 15592  402580  50589      0  2           0                syz-executor
 15592  302768  50589      0  2   0x4000080                syz-executor
 42512  409880  68962      0  3        0x80  nanoslp       syz-executor
 42512  489002  68962      0  3   0x4000080  sbwait        syz-executor
 42512  164733  68962      0  3   0x4000080  fsleep        syz-executor
 87753  152425  51930      0  2           0                syz-executor
 87753  116765  51930      0  3   0x4000080  sbwait        syz-executor
  1552  400945  68688      0  3        0x80  nanoslp       syz-executor
  1552  186619  68688      0  3   0x4000080  sbwait        syz-executor
  1552   51853  68688      0  3   0x4000080  sbwait        syz-executor
  1552  268400  68688      0  3   0x4000080  fsleep        syz-executor
 94318  457779  88182      0  3        0x80  nanoslp       syz-executor
 94318  132054  88182      0  3   0x4000080  msgwait       syz-executor
 94318  241002  88182      0  3   0x4000080  fsleep        syz-executor
 51930  350410  11262      0  3        0x82  nanoslp       syz-executor
 78659    6055  11262      0  2         0x2                syz-executor
 68962  283624  11262      0  2       0x482                syz-executor
 88182  260836  11262      0  3        0x82  nanoslp       syz-executor
 44007  282433  11262      0  2         0x2                syz-executor
 68675   29526  11262      0  2       0x482                syz-executor
 68688   19143  11262      0  3        0x82  nanoslp       syz-executor
 50589  416183  11262      0  3        0x82  nanoslp       syz-executor
 19358  177089      0      0  3     0x14280  nfsidl        nfsio
 26834    9043      0      0  3     0x14280  nfsidl        nfsio
 86732  415770      0      0  3     0x14280  nfsidl        nfsio
  8428  274799      0      0  3     0x14280  nfsidl        nfsio
 49533    6494      0      0  3     0x14280  nfsidl        nfsio
 22233  302656      0      0  3     0x14280  nfsidl        nfsio
  2424   54028      0      0  3     0x14280  nfsidl        nfsio
 11780  438333      0      0  3     0x14280  nfsidl        nfsio
 66224   70810      0      0  3     0x14280  nfsidl        nfsio
 43843  443717      0      0  3     0x14280  nfsidl        nfsio
 58776  209562      0      0  3     0x14280  nfsidl        nfsio
  8870   57313      0      0  3     0x14280  nfsidl        nfsio
 52423  139902      0      0  3     0x14280  nfsidl        nfsio
 23715  135736      0      0  3     0x14280  nfsidl        nfsio
 74832  449082      0      0  3     0x14280  nfsidl        nfsio
 85844  392803      0      0  3     0x14280  nfsidl        nfsio
 25165  486315      0      0  3     0x14280  nfsidl        nfsio
 75217   79982      0      0  3     0x14280  nfsidl        nfsio
 30119  427650      0      0  3     0x14280  nfsidl        nfsio
  1949  511571      0      0  3     0x14280  nfsidl        nfsio
 96183  520073      0      0  3     0x14200  acct          acct
 84704    8277      0      0  3     0x14200  bored         sosplice
 11262   62933  92428      0  2         0x2                syz-executor
 92428  426526  65358      0  3    0x10008a  sigsusp       ksh
 65358   11652  69878      0  3        0x98  kqread        sshd-session
 69878  113371  84249      0  3        0x92  kqread        sshd-session
 41961  435666      1      0  3    0x100083  ttyin         getty
 84249  350583      1      0  3        0x88  kqread        sshd
 19544  289132  21375     74  3   0x1100092  bpf           pflogd
 21375  318034      1      0  3        0x80  sbwait        pflogd
 73813   13404  22189     73  3   0x1100090  kqread        syslogd
 22189  318213      1      0  3    0x100082  sbwait        syslogd
  2473  210193      1      0  3    0x100080  kqread        resolvd
 47283  228275  51229     77  3    0x100092  kqread        dhcpleased
 36616  151072  51229     77  3    0x100092  kqread        dhcpleased
 51229  499438      1      0  3        0x80  kqread        dhcpleased
 48270  109399      0      0  3     0x14200  bored         smr
 75502   54071      0      0  2     0x14200                zerothread
 72386  166096      0      0  3     0x14200  aiodoned      aiodoned
 91570   46243      0      0  3     0x14200  syncer        update
 24024   21050      0      0  3     0x14200  cleaner       cleaner
 90506  202916      0      0  3     0x14200  reaper        reaper
 15829   79031      0      0  3     0x14200  pgdaemon      pagedaemon
 98450   34322      0      0  3     0x14200  bored         viomb
 27169  478502      0      0  3  0x40014200  acpi0         acpi0
 49751  126848      0      0  3  0x40014200                idle1
 96558  203126      0      0  3     0x14200  bored         softnet3
 90728  174838      0      0  3     0x14200  bored         softnet2
 15357   74833      0      0  3     0x14200  bored         softnet1
 39374  182315      0      0  7     0x14200                softnet0
*61107  460784      0      0  7     0x14200                systqmp
 86107  289062      0      0  3     0x14200  bored         systq
 87409  175152      0      0  3     0x14200  tmoslp        softclockmp
 61354     726      0      0  3  0x40014200  tmoslp        softclock
 43632   67438      0      0  3  0x40014200                idle0
     1   32076      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex sosppl r = 0 (0xffffffff834f91a0)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  mtx_enter_try+0x178
#2  pool_gc_pages+0xf0 pl_enter_try sys/kern/subr_pool.c:109 [inline]
#2  pool_gc_pages+0xf0 sys/kern/subr_pool.c:1568
#3  taskq_thread+0x157 sys/kern/kern_task.c:448
#4  proc_trampoline+0x10
CPU 1:
exclusive mutex sbrcv r = 0 (0xffff800010fdd338)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  mtx_enter_try+0x178
#2  mtx_enter+0x60 sys/kern/kern_lock.c:239
#3  sowakeup+0x40 sys/kern/uipc_socket2.c:573
#4  sorwakeup+0x21f sys/kern/uipc_socket.c:1993
#5  tcp_input+0x580a sys/netinet/tcp_input.c:1952
#6  ip_deliver+0x447
#7  ipintr+0x11c sys/netinet/ip_input.c:321
#8  if_netisr+0x16a sys/net/if.c:1063
#9  taskq_thread+0x157 sys/kern/kern_task.c:448
#10 proc_trampoline+0x10
Process 42512 (syz-executor) thread 0xffff8000ffff6020 (489002)
exclusive rwlock sbufrcv r = 0 (0xffff800010fc5d98)
#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  sblock+0xb7 sys/kern/uipc_socket2.c:549
#3  soreceive+0x295 sys/kern/uipc_socket.c:947
#4  recvit+0x40a sys/kern/uipc_syscalls.c:1082
#5  sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:882
#6  syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#6  syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 78659 (syz-executor) thread 0xffff8000371cb1e8 (6055)
exclusive rrwlock inode r = 0 (0xfffffd806caee0a0)
#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 (0xfffffd8070d67b38)
#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 39374 (softnet0) thread 0xffff8000ffffe798 (182315)
exclusive rwlock netlock r = 0 (0xffffffff8349a670)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  if_netisr+0x28
#2  taskq_thread+0x157 sys/kern/kern_task.c:448
#3  proc_trampoline+0x10
shared rwlock softnet0 r = 0 (0xffff80000002c070)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  taskq_thread+0x12a sys/kern/kern_task.c:444
#2  proc_trampoline+0x10
Process 61107 (systqmp) thread 0xffff8000ffffe510 (460784)
shared rwlock pools r = 0 (0xffffffff834c1710)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  pool_gc_pages+0x2e sys/kern/subr_pool.c:1560
#2  taskq_thread+0x157 sys/kern/kern_task.c:448
#3  proc_trampoline+0x10
shared rwlock systqmp r = 0 (0xffffffff83495e90)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  taskq_thread+0x12a sys/kern/kern_task.c:444
#2  proc_trampoline+0x10
exclusive mutex sosppl r = 0 (0xffffffff834f91a0)
#0  witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1  mtx_enter_try+0x178
#2  pool_gc_pages+0xf0 pl_enter_try sys/kern/subr_pool.c:109 [inline]
#2  pool_gc_pages+0xf0 sys/kern/subr_pool.c:1568
#3  taskq_thread+0x157 sys/kern/kern_task.c:448
#4  proc_trampoline+0x10
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10230  10308K   10550K 166960K     12825        0
            pcb    18     14K      15K 166960K       272        0
         rtable   214     15K      17K 166960K      2544        0
             pf    38     18K      22K 166960K       277        0
         ifaddr    41      7K       8K 166960K       336        0
        ifgroup    59      2K       2K 166960K       369        0
         sysctl     3      0K       0K 166960K         3        0
       counters    66     36K      36K 166960K       220        0
       ioctlops     0      0K       4K 166960K      1768        0
            iov     1      2K      18K 166960K        63        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1368     86K      86K 166960K      3169        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K        22        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       1K 166960K        44        0
        dirhash    15      2K       3K 166960K        33        0
           ACPI  1697    195K     286K 166960K     12548        0
      file desc    16     57K      93K 166960K      2077        0
          sigio     0      0K       0K 166960K        30        0
           proc    70     91K     140K 166960K      2501        0
        subproc   104      6K       6K 166960K       988        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       149        0
       in_multi    88      6K       7K 166960K       874        0
    ether_multi     1      0K       0K 166960K         9        0
            mrt     0      0K       0K 166960K         3        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      1438        0
     pfkey data     0      0K       0K 166960K         2        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   235     73K      95K 166960K     16971        0
       UVM aobj   131      6K       6K 166960K       136        0
     pinsyscall    41     82K     106K 166960K      4924        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     1      0K       0K 166960K        45        0
            NDP    13      0K       2K 166960K       242        0
           temp    75   6823K    6916K 166960K     64524        0
         kqueue    13     20K      28K 166960K       171        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      246    0      243     1     0     1     1     0     8    0
rtentry    112      893    0      801     4     1     3     4     0     8    0
unpcb      144     1052    0     1019    20    18     2     6     0     8    0
syncache   336        4    0        4     2     2     0     1     0     8    0
tcpcb      808      433    0      428    12    11     1     7     0     8    0
arp        120      163    0      147     1     0     1     1     0     8    0
inpcb      336     1577    0     1563    27    23     4     7     0     8    2
nd6        136      231    0      210     1     0     1     1     0     8    0
pkpcb       40        2    0        2     2     1     1     1     0     8    1
kcovpl      48       76    0       68     1     0     1     1     0     8    0
ppxss      1168       2    0        2     2     2     0     1     0     8    0
pfstscr     40        6    0        6     2     2     0     1     0     8    0
pffrag     232       41    0       41     2     1     1     1     0   482    1
pffrnode    88        6    0        6     2     1     1     1     0     8    1
pffrent     40      164    0      164     2     1     1     1     0     8    1
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      10    0       10     2     2     0     1     0     8    0
pfanchor   1288       4    0        2     1     0     1     1     0     8    0
pftag       88        9    0        8     3     2     1     1     0     8    0
pfqueue    264        2    0        2     1     1     0     1     0     8    0
pfstitem    24      169    0      121     1     0     1     1     0     8    0
pfstkey    128      174    0      124     2     0     2     2     0     8    0
pfstate    376      170    0      123     5     0     5     5     0     8    0
pfrule     1344      64    0       57     2     1     1     2     0     8    0
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256     3517    0     3117    39    11    28    29     0     8    0
art_table   32     3519    0     3117     4     0     4     4     0     8    0
art_node    16      887    0      805     1     0     1     1     0     8    0
sysvmsgpl   40       24    0       15     1     0     1     1     0     8    0
semapl     112       42    0       32     1     0     1     1     0     8    0
shmpl      112      133    0        5     4     0     4     4     0     8    0
dirhash    1024      31    0       12     3     0     3     3     0     8    0
dino2pl    256     3598    0     1963   103     0   103   103     0     8    0
ffsino     272     3599    0     1963   110     0   110   110     0     8    0
nchpl      144     5188    0     3417    67     1    66    66     0     8    0
uvmvnodes   80     5012    0        0   103     0   103   103     0     8    0
vnodes     216     5012    0        0   279     0   279   279     0     8    0
namei      1024   25378    0    25377     7     6     1     1     0     8    0
percpumem   16      124    0       77     1     0     1     1     0     8    0
vcpupl     3904       3    0        1     1     0     1     1     0     8    0
vmpool     696        5    0        3     1     0     1     1     0     8    0
pfiaddrpl  120        2    0        2     2     2     0     1     0     8    0
kstatmem   264      180    0      154     2     0     2     2     0     8    0
scsiplug    72        1    0        1     1     1     0     1     0     8    0
scxspl     216    42555    0    42555    16    15     1     8     1     8    1
plimitpl   152      433    0      415     1     0     1     1     0     8    0
sigapl     424     2264    0     2194    11     2     9     9     0     8    0
futexpl     64    16171    0    16168     7     6     1     1     0     8    0
knotepl    120      417    0        0    12     2    10    10     0     8    0
kqueuepl   216      310    0      300     3     2     1     3     0     8    0
pipepl     320      392    0      365     3     0     3     3     0     8    0
fdescpl    496     2224    0     2194    10     5     5     5     0     8    0
filepl     152    12700    0    12421    43    29    14    17     0     8    2
lockfpl    104      498    0      496     2     1     1     2     0     8    0
lockfspl    48      148    0      146     1     0     1     1     0     8    0
sessionpl  144       90    0       81     1     0     1     1     0     8    0
pgrppl      48      248    0      231     1     0     1     1     0     8    0
ucredpl    104     2338    0     2325     1     0     1     1     0     8    0
zombiepl   144     2195    0     2194     1     0     1     1     0     8    0
processpl  1160    2264    0     2194     7     1     6     6     0     8    0
procpl     648     3894    0     3815     9     1     8     8     0     8    0
srpgc       96       12    0       12     6     5     1     1     0     8    1
sosppl     168       11    0       11     6     6     0     1     0     8    0
sosppl: pool(0xffffffff834f9190:sosppl): page inconsistency: page 0x0; at page head addr 0xfffffd8059243f90 (p 0xfffffd8059243000)
sockpl     664     2889    0     2839    40    34     6    17     0     8    1
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      2    0        0     1     0     1     1     0     8    0
mcl9k      9216       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       4    0        0     1     0     1     1     0     8    0
mcl4k      4096       3    0        0     1     0     1     1     0     8    0
mcl2k      2048     252    0        0    30     0    30    30     0     8    0
mtagpl      96       35    0        0     1     0     1     1     0     8    0
mbufpl     256      650    0        0    36     0    36    36     0     8    0
bufpl      280     8935    0     2583   454     0   454   454     0     8    0
anonpl      24   338431    0   334437   127    85    42   105     0   185    0
amapchunkpl 152   54336    0    53833    58    35    23    44     0   158    0
amappl16   200     5667    0     5643    32    29     3    15     0     8    0
amappl15   192       10    0        9     1     0     1     1     0     8    0
amappl14   184      260    0      248     1     0     1     1     0     8    0
amappl13   176        6    0        6     1     1     0     1     0     8    0
amappl12   168     3949    0     3918     4     2     2     3     0     8    0
amappl11   160       59    0       45     1     0     1     1     0     8    0
amappl10   152       33    0       33     1     1     0     1     0     8    0
amappl9    144      144    0      144     1     1     0     1     0     8    0
amappl8    136       23    0       20     1     0     1     1     0     8    0
amappl7    128      265    0      252     1     0     1     1     0     8    0
amappl6    120      849    0      848     1     0     1     1     0     8    0
amappl5    112      409    0      396     1     0     1     1     0     8    0
amappl4    104      521    0      500     1     0     1     1     0     8    0
amappl3     96    10396    0    10285     4     0     4     4     0     8    0
amappl2     88     1572    0     1508     2     0     2     2     0     8    0
amappl1     80    17686    0    17092    17     3    14    15     0     8    0
amappl      88    16041    0    15870     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       19    0       18     1     0     1     1     0     8    0
aobjpl      72      135    0        5     3     0     3     3     0     8    0
uaddrrnd    24     2229    0     2197     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2229    0     2197     1     0     1     1     0     8    0
vmmpekpl   168    19673    0    19617     4     0     4     4     0     8    0
vmmpepl    168   141189    0   139322   120    33    87    98     0   357    0
vmsppl     440     2228    0     2197     7     2     5     5     0     8    1
rwobjpl     56    45850    0    39752    91     4    87    87     0     8    0
pdppl      4096    4465    0     4396   197   123    74    85     0     8    5
pvpl        32    36534    0        0   296     1   295   295     0   265    0
pmappl     248     2228    0     2197     3     0     3     3     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      577    0      180    13     1    12    12     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pool_gc_pages(0) at pool_gc_pages+0x2c5 pool_p_remove sys/kern/subr_pool.c:1049 [inline]
pool_gc_pages(0) at pool_gc_pages+0x2c5 sys/kern/subr_pool.c:1576
taskq_thread(ffffffff83495e20) at taskq_thread+0x157 sys/kern/kern_task.c:448
end trace frame: 0x0, count: -2
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
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
witness_checkorder(ffff80000002c018,ffff80000002c018,1327a589b21bf540) at witness_checkorder+0x1fe sys/kern/subr_witness.c:1093
msleep(ffff80000002c000,ffff80000002c018,20,ffffffff830d8b56,0) at msleep+0x2cf sys/kern/kern_synch.c:239
taskq_next_work(ffff80000002c000,ffff800029fb3120) at taskq_next_work+0x8e sys/kern/kern_task.c:401
taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:441
end trace frame: 0x0, count: 8
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
witness_checkorder(ffff80000002c018,ffff80000002c018,1327a589b21bf540) at witness_checkorder+0x1fe sys/kern/subr_witness.c:1093
msleep(ffff80000002c000,ffff80000002c018,20,ffffffff830d8b56,0) at msleep+0x2cf sys/kern/kern_synch.c:239
taskq_next_work(ffff80000002c000,ffff800029fb3120) at taskq_next_work+0x8e sys/kern/kern_task.c:401
taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:441
end trace frame: 0x0, count: -7

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/22 01:16 openbsd f6661b320dda ca02180f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/08/21 07:58 openbsd c12edff5239c 9f0ab3fb .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/08/04 16:06 openbsd fa40d6342512 1786a2a8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/05/29 19:16 openbsd b64799ca563a 34889ee3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/04/22 22:29 openbsd 19e99d061340 21339d7b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/04/10 18:57 openbsd ffe6655cba7d 7d74efd0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/04/06 05:02 openbsd 3f7c134ffe9c ca620dd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/03/05 08:30 openbsd 2a47495d462e 5fc53669 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
2024/02/15 07:45 openbsd 04fce66c3f2b d9b1cdd5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: pool_gc_pages
* Struck through repros no longer work on HEAD.