syzbot


witness: pmap_unwire: wiring for pmap ADDR va ADDR didn't change!

Status: upstream: reported on 2024/11/06 10:30
Reported-by: syzbot+aa5d3b85f404c394a149@syzkaller.appspotmail.com
First crash: 15d, last: 14d

Sample crash report:
witness: pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125de000 didn't change!
lock order reversal:
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125df000 didn't change!
 1st 0xffff800001391420 sbufsnd (&so->so_snd.sb_lock)
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e0000 didn't change!
 2nd 0xfffffd806b9bfd68 inode (&ip->i_lock)
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e1000 didn't change!
lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock)
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e2000 didn't change!
lock order data 0xffffffff830b907b -> 0xffffffff83069ea7 is missing
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e3000 didn't change!
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e4000 didn't change!
#0  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e5000 didn't change!
rw_enterpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e6000 didn't change!
+0x122pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e7000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e8000 didn't change!
#1  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125e9000 didn't change!
sblockpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ea000 didn't change!
+0xb7pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125eb000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ec000 didn't change!
#2  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ed000 didn't change!
soreceivepmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ee000 didn't change!
+0x295pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ef000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f0000 didn't change!
#3  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f1000 didn't change!
fifo_readpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f2000 didn't change!
+0x11apmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f3000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f4000 didn't change!
#4  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f5000 didn't change!
VOP_READpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f6000 didn't change!
+0x102pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f7000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f8000 didn't change!
#5  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125f9000 didn't change!
vn_rdwrpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125fa000 didn't change!
+0x15bpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125fb000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125fc000 didn't change!
#6  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125fd000 didn't change!
vndsetcredpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125fe000 didn't change!
+0xa1pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c8125ff000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812600000 didn't change!
#7  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812601000 didn't change!
vndioctlpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812602000 didn't change!
+0xe6cpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812603000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812604000 didn't change!
#8  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812605000 didn't change!
VOP_IOCTLpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812606000 didn't change!
+0xacpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812607000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812608000 didn't change!
#9  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812609000 didn't change!
vn_ioctlpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260a000 didn't change!
+0xf6pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260b000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260c000 didn't change!
#10 pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260d000 didn't change!
sys_ioctlpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260e000 didn't change!
+0x67cpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81260f000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812610000 didn't change!
#11 pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812611000 didn't change!
syscallpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812612000 didn't change!
+0xbb6pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812613000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812614000 didn't change!
#12 pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812615000 didn't change!
Xsyscallpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812616000 didn't change!
+0x128pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812617000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812618000 didn't change!
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock)
pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812619000 didn't change!
#0  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261a000 didn't change!
rw_enterpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261b000 didn't change!
+0x122pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261c000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261d000 didn't change!
#1  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261e000 didn't change!
sblockpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81261f000 didn't change!
+0xb7pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812620000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812621000 didn't change!
#2  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812622000 didn't change!
sosplicepmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812623000 didn't change!
+0x3f4pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812624000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812625000 didn't change!
#3  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812626000 didn't change!
sys_setsockoptpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812627000 didn't change!
+0x2bapmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812628000 didn't change!

#4  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c812629000 didn't change!
syscallpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262a000 didn't change!
+0xbb6pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262b000 didn't change!

pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262c000 didn't change!
#5  pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262d000 didn't change!
Xsyscallpmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262e000 didn't change!
+0x128pmap_unwire: wiring for pmap 0xfffffd806a5384e8 va 0x1c81262f000 didn't change!

pStopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
witness_checkorder(fffffd806b9bfd68,9,0) at witness_checkorder+0x1047
rw_enter(fffffd806b9bfd58,1) at rw_enter+0x122
rrw_enter(fffffd806b9bfd58,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464
VOP_LOCK(fffffd80628e1a38,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd80628e1a38,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vfs_lookup(ffff800032b87e28) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff800032b87e28) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff800001391278,fffffd80685b9a00,ffff8000347a2f60) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff800001391278,fffffd8077820200,fffffd80685b9a00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff800001391278,fffffd80685b9a00,ffff800032b880b8,0,0,0) at sosend+0xa40
sendit(ffff8000347a2f60,3,ffff800032b88230,0,ffff800032b882f0) at sendit+0x721 sys/kern/uipc_syscalls.c:786
sys_sendmsg(ffff8000347a2f60,ffff800032b883a0,ffff800032b882f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604
syscall(ffff800032b883a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff800032b883a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xad86dd8c8f0, count: -15
ddb{0}> show registers
rdi                                0
rsi                          0x40000    acpi_pdirpa+0x2be71
rbp               0xffff800032b87a80
rbx               0xfffffd80042c73d8
rdx               0xffff8000012b4ec0
rcx               0xffff8000347a2f60
rax                          0x3ffff    acpi_pdirpa+0x2be70
r8                0xffff800032b87960
r9                0x8080808080808080
r10               0xb053939e89aca36c
r11               0x25de4d9036da545c
r12                                0
r13               0xfffffd8003adee00
r14                              0x3
r15                       0xffffffff
rip               0xffffffff81a4b165    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff800032b87a70
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=518481 pid=53375 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=32, usrpri=86, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000347a3c08,0xffffffff83536b00
    process=0xffff8000fffe5fb8 user=0xffff800032b83000, vmspace=0xfffffd806b788720
    estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 98789  322319  66281      0  2           0                syz-executor
 98789   74029  66281      0  3   0x4000080  fsleep        syz-executor
 53375  399060   2877      0  2           0                syz-executor
 53375  387687   2877      0  3   0x4000080  lockf         syz-executor
*53375  518481   2877      0  7   0x4000000                syz-executor
 14292  239021  93738      0  3        0x80  nanoslp       syz-executor
 14292  115037  93738      0  3   0x4000080  ttyout        syz-executor
 14292  245280  93738      0  3   0x4000080  fsleep        syz-executor
 12495  394504  23846      0  2       0x480                syz-executor
 12495  419931  23846      0  3   0x4000080  kqread        syz-executor
 12495  382659  23846      0  3   0x4000080  fsleep        syz-executor
 74967  195831  69112      0  2       0x480                syz-executor
 74967  306828  69112      0  3   0x4000080  netcon        syz-executor
 74967  369473  69112      0  3   0x4000080  fsleep        syz-executor
 42593  380678      0      0  3     0x14200  acct          acct
 23203  266496      1      0  3        0x80  nanoslp       init
 93325  262682  62242      0  2         0x2                syz-executor
 15736  243304      0      0  3     0x14280  nfsidl        nfsio
 90855  513876      0      0  3     0x14280  nfsidl        nfsio
 82879  255623      0      0  3     0x14280  nfsidl        nfsio
 18698  321356      0      0  3     0x14280  nfsidl        nfsio
 60821   57941      0      0  3     0x14280  nfsidl        nfsio
 51334  319898      0      0  3     0x14280  nfsidl        nfsio
 31639    5860      0      0  3     0x14280  nfsidl        nfsio
 92323  403499      0      0  3     0x14280  nfsidl        nfsio
 34363   87718      0      0  3     0x14280  nfsidl        nfsio
  5629  154018      0      0  3     0x14280  nfsidl        nfsio
 67422  472199      0      0  3     0x14280  nfsidl        nfsio
 50043  361066      0      0  3     0x14280  nfsidl        nfsio
 61281   10922      0      0  3     0x14280  nfsidl        nfsio
 41144  280803      0      0  3     0x14280  nfsidl        nfsio
 98387  210156      0      0  3     0x14280  nfsidl        nfsio
 54271  240753      0      0  3     0x14280  nfsidl        nfsio
 94001  132559      0      0  3     0x14280  nfsidl        nfsio
 24981  355208      0      0  3     0x14280  nfsidl        nfsio
 83079    5460      0      0  3     0x14280  nfsidl        nfsio
 28607  144424      0      0  3     0x14280  nfsidl        nfsio
 52040  408539      0      0  3     0x14200  bored         sosplice
 23846  397446  62242      0  2       0x482                syz-executor
  2877   48092  62242      0  2       0x482                syz-executor
 93738  513881  62242      0  2       0x482                syz-executor
 69112  505971  62242      0  2       0x482                syz-executor
 10204   29270  62242      0  2       0x482                syz-executor
 66281  284186  62242      0  2       0x482                syz-executor
 43061  350228  62242      0  2       0x482                syz-executor
 62242  421859  39810      0  2        0x82                syz-executor
 39810  303052  58887      0  3    0x10008a  sigsusp       ksh
 58887  431118  63015      0  3        0x98  kqread        sshd-session
 63015  432549  78500      0  3        0x92  kqread        sshd-session
 78500   91220      1      0  3        0x88  kqread        sshd
 14179  292851  81521     74  3   0x1100092  bpf           pflogd
 81521  305245      1      0  3        0x80  sbwait        pflogd
 38320  412822  68748     73  3   0x1100010  ffs_fsync     syslogd
 68748  183702      1      0  3    0x100082  sbwait        syslogd
 80303  189177      1      0  3    0x100080  kqread        resolvd
  5070  123208  19777     77  3    0x100092  kqread        dhcpleased
 95435  506915  19777     77  3    0x100092  kqread        dhcpleased
 19777  470966      1      0  3        0x80  kqread        dhcpleased
  5128  513422      0      0  3     0x14200  bored         smr
 80170   88169      0      0  3     0x14200  pgzero        zerothread
 25490  502466      0      0  3     0x14200  aiodoned      aiodoned
 65135   21598      0      0  3     0x14200  syncer        update
 42120   62685      0      0  3     0x14200  cleaner       cleaner
 65149  522919      0      0  7     0x14200                reaper
 56795  385693      0      0  3     0x14200  pgdaemon      pagedaemon
 91051  178394      0      0  3     0x14200  bored         viomb
 97616  519378      0      0  3  0x40014200  acpi0         acpi0
 58574  366686      0      0  3  0x40014200                idle1
 86045  319767      0      0  3     0x14200  bored         softnet3
 38746  488471      0      0  3     0x14200  bored         softnet2
   608   12808      0      0  3     0x14200  bored         softnet1
 16787    2891      0      0  3     0x14200  bored         softnet0
 48325  209284      0      0  3     0x14200  bored         systqmp
 52510  208707      0      0  3     0x14200  bored         systq
 88622  463334      0      0  3     0x14200  tmoslp        softclockmp
 99696  103842      0      0  3  0x40014200  tmoslp        softclock
 38980  178142      0      0  3  0x40014200                idle0
     1   99674      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 53375 (syz-executor) thread 0xffff8000347a2f60 (518481)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835ff560)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  unp_connect+0x26c sys/kern/uipc_usrreq.c:868
#2  uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
#3  sosend+0xa40
#4  sendit+0x721 sys/kern/uipc_syscalls.c:786
#5  sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604
#6  syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6  syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
exclusive rwlock sbufsnd r = 0 (0xffff800001391420)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  sblock+0xb7 sys/kern/uipc_socket2.c:549
#3  sosend+0x2ff sys/kern/uipc_socket.c:681
#4  sendit+0x721 sys/kern/uipc_syscalls.c:786
#5  sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604
#6  syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6  syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 38320 (syslogd) thread 0xffff8000ffffd450 (412822)
exclusive rrwlock inode r = 0 (0xfffffd806e4944e0)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5  sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926
#6  syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6  syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#7  Xsyscall+0x128
Process 65149 (reaper) thread 0xffff800029fd8cb0 (522919)
exclusive rwlock uobjlk r = 0 (0xfffffd806c051b08)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2  uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713
#3  uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
#4  uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496
#5  uvmspace_free+0xcd sys/uvm/uvm_map.c:3420
#6  reaper+0x246 sys/kern/kern_exit.c:477
#7  proc_trampoline+0x10
exclusive rwlock vmmaplk r = 0 (0xfffffd806c3aa810)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255
#2  uvm_map_teardown+0x5e sys/uvm/uvm_map.c:2464
#3  uvmspace_free+0xcd sys/uvm/uvm_map.c:3420
#4  reaper+0x246 sys/kern/kern_exit.c:477
#5  proc_trampoline+0x10
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10199  11127K   11467K 166960K     12656        0
            pcb    17     14K      16K 166960K       297        0
         rtable   151      6K       8K 166960K       617        0
             pf    32     17K      21K 166960K       101        0
         ifaddr    29      4K       8K 166960K        71        0
        ifgroup    43      2K       2K 166960K       111        0
         sysctl     2      0K       0K 166960K         2        0
       counters    58     35K      36K 166960K        94        0
       ioctlops     0      0K       4K 166960K      1578        0
            iov     0      0K      18K 166960K        65        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1477     93K      93K 166960K      2326        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K        20        0
         VM map     2      1K       1K 166960K         2        0
            sem    26     11K      12K 166960K        45        0
        dirhash    12      2K       2K 166960K        39        0
           ACPI  1690    195K     286K 166960K     12468        0
      file desc    16     57K      93K 166960K      1219        0
          sigio     0      0K       0K 166960K        39        0
           proc    63     79K     128K 166960K       712        0
        subproc   104      6K       6K 166960K       117        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       136        0
       in_multi    55      4K       7K 166960K       146        0
    ether_multi     1      0K       0K 166960K         4        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   127    572K     572K 166960K       127        0
           exec     0      0K       1K 166960K       528        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   246     75K      88K 166960K     13235        0
       UVM aobj    67      7K       7K 166960K        70        0
     pinsyscall    40     80K     106K 166960K      2363        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     2      0K       0K 166960K       104        0
            NDP     9      0K       2K 166960K        48        0
           temp    67   6825K    7075K 166960K     29031        0
         kqueue    14     20K      30K 166960K       222        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      121    0      118     1     0     1     1     0     8    0
rtentry    112      160    0       96     4     0     4     4     0     8    0
unpcb      144      923    0      903     8     5     3     4     0     8    2
syncache   336        9    0        9     3     2     1     1     0     8    1
tcpqe       32        2    0        2     1     0     1     1     0     8    1
tcpcb      808      411    0      403    10     4     6     8     0     8    5
arp        120       28    0       16     1     0     1     1     0     8    0
inpcb      336     1391    0     1380     8     1     7     7     0     8    5
nd6        136       35    0       21     1     0     1     1     0     8    0
pkpcb       40        7    0        7     1     0     1     1     0     8    1
kcovpl      48        9    0        1     1     0     1     1     0     8    0
ppxss      1168       7    0        7     2     1     1     1     0     8    1
pffrag     232       13    0        5     1     0     1     1     0   482    0
pffrnode    88       13    0        5     1     0     1     1     0     8    0
pffrent     40      175    0      167     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
pftag       88        1    0        0     1     0     1     1     0     8    0
pfstitem    24       90    0       19     1     0     1     1     0     8    0
pfstkey    128       92    0       21     3     0     3     3     0     8    0
pfstate    376       90    0       20     8     0     8     8     0     8    0
pfrule     1344      26    0       19     2     0     2     2     0     8    0
art_heap8  4096       3    0        0     3     0     3     3     0     8    0
art_heap4  256      639    0      347    29     1    28    29     0     8    6
art_table   32      642    0      347     4     0     4     4     0     8    0
art_node    16      157    0      104     1     0     1     1     0     8    0
sysvmsgpl   40       20    0       12     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112       34    0       10     1     0     1     1     0     8    0
shmpl      112       67    0        3     2     0     2     2     0     8    0
dirhash    1024      35    0       18     3     0     3     3     0     8    0
dino2pl    256     3554    0     2056    95     0    95    95     0     8    0
ffsino     272     3554    0     2056   102     1   101   102     0     8    0
nchpl      144     5324    0     4784    64    31    33    64     0     8    8
uvmvnodes   80     4271    0        0    88     0    88    88     0     8    0
vnodes     216     4271    0        0   238     0   238   238     0     8    0
namei      1024   18288    0    18287     2     1     1     2     0     8    0
percpumem   16       61    0       18     1     0     1     1     0     8    0
kstatmem   264       54    0       36     2     0     2     2     0     8    0
acpiwqpl    32        1    0        1     1     0     1     1     1     8    1
scsiplug    72        3    0        3     3     2     1     1     0     8    1
scxspl     216    15507    0    15506     8     5     3     5     1     8    2
plimitpl   152      332    0      315     1     0     1     1     0     8    0
sigapl     424     1552    0     1481    10     1     9     9     0     8    0
futexpl     64    17354    0    17350     1     0     1     1     0     8    0
knotepl    120      581    0        0    18     0    18    18     0     8    0
kqueuepl   216      442    0      432     6     3     3     5     0     8    2
pipepl     320      270    0      243     3     0     3     3     0     8    0
fdescpl    496     1509    0     1479     5     0     5     5     0     8    0
filepl     152     9857    0     9598    19     4    15    17     0     8    3
lockfpl    104      355    0      351     1     0     1     1     0     8    0
lockfspl    48      156    0      153     1     0     1     1     0     8    0
sessionpl  144       31    0       23     1     0     1     1     0     8    0
pgrppl      48       56    0       40     1     0     1     1     0     8    0
ucredpl    104     1553    0     1540     1     0     1     1     0     8    0
zombiepl   144     1483    0     1481     1     0     1     1     0     8    0
processpl  1160    1552    0     1481     6     0     6     6     0     8    0
procpl     648     3417    0     3337     9     1     8     8     0     8    0
srpgc       96        9    0        9     1     0     1     1     0     8    1
sosppl     168        1    0        1     1     1     0     1     0     8    0
sockpl     664     2491    0     2457    12     3     9     9     0     8    5
mcl64k     65536      6    0        0     1     0     1     1     0     8    0
mcl12k     12288      2    0        0     1     0     1     1     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096     142    0        0    18     0    18    18     0     8    0
mcl2k      2048      91    0        0    12     0    12    12     0     8    0
mtagpl      96       39    0        0     1     0     1     1     0     8    0
mbufpl     256      386    0        0    24     0    24    24     0     8    0
bufpl      280     7521    0     1347   442     0   442   442     0     8    0
anonpl      24   288263    0   279807    73     2    71    71     0   185   19
amapchunkpl 152   49541    0    48734    38     6    32    35     0   158    0
amappl16   200     7757    0     7723    50    36    14    27     0     8   10
amappl15   192       12    0       12     1     1     0     1     0     8    0
amappl14   184      134    0      123     1     0     1     1     0     8    0
amappl13   176       13    0       13     2     1     1     1     0     8    1
amappl12   168     2186    0     2156     4     2     2     3     0     8    0
amappl11   160       55    0       41     1     0     1     1     0     8    0
amappl10   152       37    0       37     1     1     0     1     0     8    0
amappl9    144      134    0      134     1     1     0     1     0     8    0
amappl8    136       20    0       17     1     0     1     1     0     8    0
amappl7    128      115    0      104     1     0     1     1     0     8    0
amappl6    120      191    0      189     1     0     1     1     0     8    0
amappl5    112      162    0      149     1     0     1     1     0     8    0
amappl4    104      348    0      332     1     0     1     1     0     8    0
amappl3     96     8043    0     7934     3     0     3     3     0     8    0
amappl2     88     1855    0     1772     3     0     3     3     0     8    0
amappl1     80    12482    0    11949    15     1    14    14     0     8    0
amappl      88    12679    0    12492     5     0     5     5     0    92    0
dma16384   16384      1    0        1     1     1     0     1     0     8    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        7    0        7     2     1     1     1     0     8    1
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       69    0        3     2     0     2     2     0     8    0
uaddrrnd    24     1510    0     1480     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1510    0     1480     1     0     1     1     0     8    0
vmmpekpl   168    13797    0    13755     3     0     3     3     0     8    0
vmmpepl    168   101636    0    99795   103     0   103   103     0   357   16
vmsppl     448     1509    0     1479     6     2     4     5     0     8    0
rwobjpl     56    35599    0    30349    76     0    76    76     0     8    1
pdppl      4096    3027    0     2958   107    36    71    85     0     8    2
pvpl        32    26552    0        0   216     2   214   214     0   265    0
pmappl     248     1509    0     1479     3     0     3     3     0     8    0
extentpl    40       55    0       38     1     0     1     1     0     8    0
phpool     112      431    0       52    11     0    11    11     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
witness_checkorder(fffffd806b9bfd68,9,0) at witness_checkorder+0x1047
rw_enter(fffffd806b9bfd58,1) at rw_enter+0x122
rrw_enter(fffffd806b9bfd58,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464
VOP_LOCK(fffffd80628e1a38,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd80628e1a38,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vfs_lookup(ffff800032b87e28) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff800032b87e28) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff800001391278,fffffd80685b9a00,ffff8000347a2f60) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff800001391278,fffffd8077820200,fffffd80685b9a00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff800001391278,fffffd80685b9a00,ffff800032b880b8,0,0,0) at sosend+0xa40
sendit(ffff8000347a2f60,3,ffff800032b88230,0,ffff800032b882f0) at sendit+0x721 sys/kern/uipc_syscalls.c:786
sys_sendmsg(ffff8000347a2f60,ffff800032b883a0,ffff800032b882f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604
syscall(ffff800032b883a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff800032b883a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xad86dd8c8f0, count: -15
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:666
acpitimer_delay(1) at acpitimer_delay+0x77 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline]
acpitimer_delay(1) at acpitimer_delay+0x77 sys/dev/acpi/acpitimer.c:120
comcnputc(800,70) at comcnputc+0x29b sys/dev/ic/com.c:1269
cnputc(70) at cnputc+0x61 sys/dev/cons.c:218
kputchar(70,5,0) at kputchar+0x2cc sys/kern/subr_prf.c:367
kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065
printf(ffffffff830e36a8) at printf+0x8b sys/kern/subr_prf.c:529
uvm_fault_unwire_locked(fffffd806c3aa718,1c8125d6000,1c8127d5000) at uvm_fault_unwire_locked+0x2f7 sys/uvm/uvm_fault.c:1725
uvm_unmap_kill_entry_withlock(fffffd806c3aa718,fffffd8063ceabd8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd806c3aa718) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496
uvmspace_free(fffffd806c3aa718) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420
reaper(ffff800029fd8cb0) at reaper+0x246 sys/kern/kern_exit.c:477
end trace frame: 0x0, count: -15

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/07 05:08 openbsd 91f7c8466953 df3dc63b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: pmap_unwire: wiring for pmap ADDR va ADDR didn't change!
2024/11/06 10:30 openbsd 7f618044e74e 3a465482 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: pmap_unwire: wiring for pmap ADDR va ADDR didn't change!
* Struck through repros no longer work on HEAD.