syzbot


assert "dupe == NULL" failed in uvm_page.c (5)

Status: auto-obsoleted due to no activity on 2026/05/17 21:00
Reported-by: syzbot+cb2555c3bd673da0f6f4@syzkaller.appspotmail.com
First crash: 195d, last: 55d
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "dupe == NULL" failed in uvm_page.c (2) -1 1 2129d 2129d 0/3 auto-closed as invalid on 2020/10/22 03:53
openbsd assert "dupe == NULL" failed in uvm_page.c (4) -1 209 628d 925d 0/3 auto-obsoleted due to no activity on 2024/10/21 16:21
openbsd assert "dupe == NULL" failed in uvm_page.c -1 4 2293d 2406d 0/3 auto-closed as invalid on 2020/05/10 22:18
openbsd assert "dupe == NULL" failed in uvm_page.c (3) -1 25 1250d 1619d 0/3 auto-obsoleted due to no activity on 2023/03/20 05:40

Sample crash report:
panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 144
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*  8403  86436      0       0x802     0x2000    1K syz-executor
  17492  10941      0     0x14000      0x200    0  reaper
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
end trace frame: 0xffff800042c3f500, count: 0
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 "dupe == NULL" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 144
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
VOP_WRITE(fffffd806ac198b8,ffff800042c3f528,1,fffffd80097fd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_rdwr(1,fffffd806ac198b8,7e9450666bc8,b0,3e0,0,df6b1e0541fc299,ffff800042c3f9b0,0,b0) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
coredump_write(ffff800042c3f9b0,0,7e9450666bc8,b0,0) at coredump_write+0x101 sys/kern/kern_sig.c:2040
coredump_notes_elf(ffff8000fffe7ca8,ffff800042c3f9b0,ffff800042c3f7b8) at coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
coredump_elf(ffff8000fffe7ca8,ffff800042c3f9b0) at coredump_elf+0x10c sys/kern/exec_elf.c:1184
coredump(ffff8000fffe7ca8) at coredump+0x73a sys/kern/kern_sig.c:2011
sigexit(ffff8000fffe7ca8,5) at sigexit+0xd7 sys/kern/kern_sig.c:1833
trapsignal(ffff8000fffe7ca8,5,1,1,46aa5fe458b) at trapsignal+0x87e
usertrap(ffff800042c3fc20) at usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7e9450666b40, count: -24
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff800042c3ebd0
rbx               0xffff8000299bee07
rdx                                0
rcx               0xffff8000fffe7ca8
rax               0xffff8000299bdff0
r8                 0x101010101010101
r9                0x8080808080808080
r10                0xd47d84f791cb3c0
r11               0xb00f6aa71137b473
r12               0xffff8000299bec08
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff8307c625    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff800042c3ebc0
ss                                 0
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=8403 pid=86436 tcnt=1 stat=onproc
    flags process=802<EXEC,COREDUMP> proc=2000<WEXIT>
    runpri=50, usrpri=50, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000fffe6a80,0xffffffff83ac6cc8
    process=0xffff8000ffff1cf0 user=0xffff800042c3a000, vmspace=0xfffffd807597f018
    estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
*86436    8403  46193      0  7      0x2802                syz-executor
 95566  470583  62962      0  3         0x2  clonelk       ifconfig
 62962  224754  27790      0  3    0x10008a  sigsusp       sh
 27790   57358  77112      0  3        0x80  wait          syz-executor
 77112   37188  46193      0  3        0x82  wait          syz-executor
  3167  259497  66620      0  3         0x2  clonelk       ifconfig
 66620   74621  71263      0  3    0x10008a  sigsusp       sh
 71263   59089  17332      0  3        0x80  wait          syz-executor
 49174  280854   7863      0  3         0x2  clonelk       ifconfig
  7863  428181  13617      0  3    0x10008a  sigsusp       sh
 13617  464778  44726      0  3        0x80  wait          syz-executor
 19230  210899  93915      0  3         0x2  clonelk       ifconfig
 17332  497823  46193      0  3        0x82  wait          syz-executor
 19599  300068  34938      0  3         0x2  clonelk       ifconfig
 44726   42861  46193      0  3        0x82  wait          syz-executor
 93915   31460  93379      0  3    0x10008a  sigsusp       sh
 93379  341202  31463      0  3        0x80  wait          syz-executor
 63904  203492  73361      0  3         0x2  clonelk       ifconfig
 34938    9330  51099      0  3    0x10008a  sigsusp       sh
 73361   82157  26806      0  3    0x10008a  sigsusp       sh
 51099   27912  32286      0  3        0x80  wait          syz-executor
 31463  515606  46193      0  3        0x82  wait          syz-executor
 26806  192859  17195      0  3        0x80  wait          syz-executor
 32286  336670  46193      0  3        0x82  wait          syz-executor
 17195  290766  46193      0  3        0x82  wait          syz-executor
 46193  244751  18768      0  3        0x82  nanoslp       syz-executor
 18768  478995  57436      0  3    0x10008a  sigsusp       ksh
 57436  474410  58520      0  3        0x98  kqread        sshd-session
 58520  120423  54582      0  3        0x92  kqread        sshd-session
 51817  186166      1      0  3    0x100083  ttyin         getty
 54582  444796      1      0  3        0x88  kqread        sshd
 52802  186429  75267     73  3   0x1100090  kqread        syslogd
 75267  335291      1      0  3    0x100082  sbwait        syslogd
 22279  391853      1      0  3    0x100080  kqread        resolvd
 58329  283952  49893     77  3    0x100092  kqread        dhcpleased
 24242  118140  49893     77  3    0x100092  kqread        dhcpleased
 49893  417123      1      0  3        0x80  kqread        dhcpleased
 77444  437576      0      0  3     0x14200  bored         smr
  7104  121709      0      0  3     0x14200  pgzero        zerothread
 64045  256095      0      0  3     0x14200  aiodoned      aiodoned
   690  138161      0      0  3     0x14200  syncer        update
   257  484883      0      0  3     0x14200  cleaner       cleaner
 10941   17492      0      0  7     0x14200                reaper
 22216  191092      0      0  3     0x14200  pgdaemon      pagedaemon
 85148   35457      0      0  3     0x14200  bored         viomb
 54158  402674      0      0  3  0x40014200  acpi0         acpi0
 42129  150821      0      0  3  0x40014200                idle1
 25969  376187      0      0  3     0x14200  bored         softnet1
 68982   79673      0      0  3     0x14200  bored         softnet0
 63283  448450      0      0  3     0x14200  smrbar        systqmp
 39331   33269      0      0  3     0x14200  bored         systq
 92416  348858      0      0  3     0x14200  tmoslp        softclockmp
 50308  373252      0      0  3  0x40014200  tmoslp        softclock
 71144  321358      0      0  3  0x40014200                idle0
     1   38168      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806caab810)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2  pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline]
#2  pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline]
#2  pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767
#3  uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
#4  uvm_fault+0x198 sys/uvm/uvm_fault.c:635
#5  kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6  kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7  alltraps_kern_meltdown+0x7b
#8  _copyin+0x5b
#9  ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
Process 86436 (syz-executor) thread 0xffff8000fffe7ca8 (8403)
shared rwlock amaplk r = 0 (0xfffffd806b1f4e18)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2  uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834
#3  uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#4  kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#5  kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#6  alltraps_kern_meltdown+0x7b
#7  _copyin+0x5b
#8  ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#9  VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#10 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#11 coredump_write+0x101 sys/kern/kern_sig.c:2040
#12 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#13 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#14 coredump+0x73a sys/kern/kern_sig.c:2011
#15 sigexit+0xd7 sys/kern/kern_sig.c:1833
#16 trapsignal+0x87e
#17 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#18 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd807597f118)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2  uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3  uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4  uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5  kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6  kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7  alltraps_kern_meltdown+0x7b
#8  _copyin+0x5b
#9  ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
exclusive rrwlock inode r = 0 (0xfffffd806ac527c8)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3  VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320
#6  coredump_write+0x101 sys/kern/kern_sig.c:2040
#7  coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#8  coredump_elf+0x10c sys/kern/exec_elf.c:1184
#9  coredump+0x73a sys/kern/kern_sig.c:2011
#10 sigexit+0xd7 sys/kern/kern_sig.c:1833
#11 trapsignal+0x87e
#12 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#13 recall_trap+0x8
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83ac0c00)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2  coredump_write+0xb8 sys/kern/kern_sig.c:2039
#3  coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#4  coredump_elf+0x10c sys/kern/exec_elf.c:1184
#5  coredump+0x73a sys/kern/kern_sig.c:2011
#6  sigexit+0xd7 sys/kern/kern_sig.c:1833
#7  trapsignal+0x87e
#8  usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#9  recall_trap+0x8
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806caab810)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2  pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline]
#2  pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline]
#2  pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767
#3  uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
#4  uvm_fault+0x198 sys/uvm/uvm_fault.c:635
#5  kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6  kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7  alltraps_kern_meltdown+0x7b
#8  _copyin+0x5b
#9  ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
Process 10941 (reaper) thread 0xffff8000ffffd9f8 (17492)
exclusive rwlock kmmaplk r = 0 (0xffffffff83aca590)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2  vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171
#3  uvm_unmap+0x7d sys/uvm/uvm_map.c:1798
#4  km_free+0x87 sys/uvm/uvm_km.c:714
#5  uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304
#6  reaper+0x1ca sys/kern/kern_exit.c:493
#7  proc_trampoline+0x10
Process 63283 (systqmp) thread 0xffff8000ffffe000 (448450)
shared rwlock systqmp r = 0 (0xffffffff83934b78)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  taskq_thread+0x12a sys/kern/kern_task.c:442
#2  proc_trampoline+0x10
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11071  12015K   12034K 166960K     12173        0
            pcb    17     14K      16K 166960K        19        0
         rtable   171      4K       7K 166960K       372        0
             pf    25     16K      16K 166960K        31        0
         ifaddr    30      5K       7K 166960K        44        0
        ifgroup    38      1K       2K 166960K        50        0
         sysctl     4      1K       9K 166960K         9        0
       counters    64     36K      37K 166960K        70        0
       ioctlops     0      0K       2K 166960K        40        0
            iov     0      0K      16K 166960K        11        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1338     84K      84K 166960K      1566        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K         8        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        15        0
        dirhash    12      2K       3K 166960K        24        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    32    118K     129K 166960K       527        0
          sigio     0      0K       0K 166960K         4        0
           proc   100    196K     196K 166960K       561        0
        subproc    99      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        70        0
       in_multi    66      4K       7K 166960K       110        0
    ether_multi     1      0K       0K 166960K         2        0
            mrt     1      0K       0K 166960K        18        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   223    996K     996K 166960K       223        0
           exec     0      0K       1K 166960K       491        0
   fusefs mount     1     32K      32K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   241    189K     221K 166960K      6201        0
       UVM aobj    16      2K       2K 166960K        17        0
     pinsyscall    53    106K     113K 166960K      1687        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       1K 166960K        33        0
            NDP     8      0K       2K 166960K        27        0
           temp    59   9078K    9141K 166960K      5798        0
         kqueue    13     20K      30K 166960K        80        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       26    0        0     1     0     1     1     0     8    0
rtpcb      120       65    0       62     1     0     1     1     0     8    0
rtentry    176      113    0       36     6     0     6     6     0     8    1
unpcb      144      332    0      316     1     0     1     1     0     8    0
syncache   336        9    0        9     1     0     1     1     0     8    1
tcpqe       32        2    0        2     1     0     1     1     0     8    1
tcpcb      736      300    0      294    10     1     9    10     0     8    7
arp        136       18    0        6     1     0     1     1     0     8    0
ipq         40        3    0        0     1     0     1     1     0     8    0
ipqe        40        7    0        2     1     0     1     1     0     8    0
inpcb      328      561    0      546    13     3    10    13     0     8    8
nd6        152       26    0       11     1     0     1     1     0     8    0
kcovpl      48       29    0       18     1     0     1     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      456    0       92    29     0    29    29     0     8    2
art_table   40      457    0       92     5     0     5     5     0     8    0
art_node    32      113    0       43     1     0     1     1     0     8    0
sysvmsgpl   40        6    0        4     1     0     1     1     0     8    0
semupl     112        1    0        1     1     0     1     1     0     8    1
semapl     112       13    0        3     1     0     1     1     0     8    0
shmpl      112       14    0        1     1     0     1     1     0     8    0
dirhash    1024      25    0        8     3     0     3     3     0     8    0
dino2pl    256     2012    0      525    94     1    93    93     0     8    0
ffsino     296     2012    0      525   116     1   115   115     0     8    0
nchpl      144     2608    0      898    64     0    64    64     0     8    0
vnodes     216     2282    0        0   127     0   127   127     0     8    0
namei      1024    8627    0     8626     1     0     1     1     0     8    0
percpumem   16       50    0        3     1     0     1     1     0     8    0
kstatmem   264       24    0        6     2     0     2     2     0     8    0
scxspl     216     9081    0     9081    11     7     4     8     1     8    4
plimitpl   152      239    0      213     2     0     2     2     0     8    0
sigapl     424      790    0      729     7     0     7     7     0     8    0
knotepl    120      331    0        0    11     0    11    11     0     8    0
kqueuepl   224      106    0       97     1     0     1     1     0     8    0
pipepl     344      201    0      172     4     0     4     4     0     8    0
fdescpl    528      774    0      730     4     0     4     4     0     8    0
filepl     160     3922    0     3681    18     0    18    18     0     8    6
lockfpl    104       96    0       93     1     0     1     1     0     8    0
lockfspl    48       41    0       38     1     0     1     1     0     8    0
sessionpl  144       48    0       28     1     0     1     1     0     8    0
pgrppl      48       89    0       62     1     0     1     1     0     8    0
ucredpl    104      613    0      595     1     0     1     1     0     8    0
zombiepl   144      735    0      729     1     0     1     1     0     8    0
processpl  1232     790    0      729     5     0     5     5     0     8    0
procpl     664     1322    0     1261     7     1     6     7     0     8    0
sosppl     176        1    0        1     1     0     1     1     0     8    1
sockpl     752      961    0      927    18     6    12    18     0     8    8
mcl64k     65536      5    0        0     1     0     1     1     0     8    0
mcl16k     16384      2    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl8k      8192       8    0        0     1     0     1     1     0     8    0
mcl4k      4096     110    0        0    14     0    14    14     0     8    0
mcl2k      2048      20    0        0     3     0     3     3     0     8    0
mtagpl      96        1    0        0     1     0     1     1     0     8    0
mbufpl     256      317    0        0    20     0    20    20     0     8    0
bufpl      280     2775    0      102   191     0   191   191     0     8    0
anonpl      32    10489    0        0    85     0    85    85     0   246    0
amapchunkpl 152   19334    0    18886    36     3    33    36     0   158    8
amappl16   200     3672    0     3653    21     8    13    17     0     8    8
amappl15   192        6    0        6     1     1     0     1     0     8    0
amappl14   184      423    0      416     1     0     1     1     0     8    0
amappl13   176      124    0      114     1     0     1     1     0     8    0
amappl12   168     1016    0      986     2     0     2     2     0     8    0
amappl11   160       14    0       14     1     1     0     1     0     8    0
amappl10   152       58    0       48     1     0     1     1     0     8    0
amappl9    144      273    0      273     1     1     0     1     0     8    0
amappl8    136      114    0      107     1     0     1     1     0     8    0
amappl7    128      150    0      139     1     0     1     1     0     8    0
amappl6    120      164    0      150     1     0     1     1     0     8    0
amappl5    112      104    0       96     1     0     1     1     0     8    0
amappl4    104      284    0      267     1     0     1     1     0     8    0
amappl3     96     3585    0     3485     5     1     4     4     0     8    0
amappl2     88      586    0      524     2     0     2     2     0     8    0
amappl1     80    12557    0    11935    16     0    16    16     0     8    1
amappl      88     5380    0     5211     5     0     5     5     0    92    0
uvmvnodes   80      111    0        0     3     0     3     3     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        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       16    0        1     1     0     1     1     0     8    0
uaddrrnd    24      774    0      730     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      774    0      730     1     0     1     1     0     8    0
vmmpekpl   168     8680    0     8612     4     0     4     4     0     8    0
vmmpepl    168    60516    0    58483   113     2   111   113     0   357   17
vmsppl     488      773    0      730     8     2     6     6     0     8    0
rwobjpl     80    20761    0    19639    28     2    26    28     0     8    0
pdppl      4096    1555    0     1460   143    44    99    99     0     8    4
pvpl        32    17564    0        0   142     0   142   142     0   265    0
pmappl     256      773    0      730     4     1     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      329    0       49     8     0     8     8     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffffffff83912ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:153
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff8000ffffd9f8) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff83912ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:153
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff8000ffffd9f8) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
end trace frame: 0xffff800042c3f500, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
VOP_WRITE(fffffd806ac198b8,ffff800042c3f528,1,fffffd80097fd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_rdwr(1,fffffd806ac198b8,7e9450666bc8,b0,3e0,0,df6b1e0541fc299,ffff800042c3f9b0,0,b0) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
coredump_write(ffff800042c3f9b0,0,7e9450666bc8,b0,0) at coredump_write+0x101 sys/kern/kern_sig.c:2040
coredump_notes_elf(ffff8000fffe7ca8,ffff800042c3f9b0,ffff800042c3f7b8) at coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
coredump_elf(ffff8000fffe7ca8,ffff800042c3f9b0) at coredump_elf+0x10c sys/kern/exec_elf.c:1184
coredump(ffff8000fffe7ca8) at coredump+0x73a sys/kern/kern_sig.c:2011
sigexit(ffff8000fffe7ca8,5) at sigexit+0xd7 sys/kern/kern_sig.c:1833
trapsignal(ffff8000fffe7ca8,5,1,1,46aa5fe458b) at trapsignal+0x87e
usertrap(ffff800042c3fc20) at usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7e9450666b40, count: -24

Crashes (101):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/28 21:00 openbsd cc88cbeddb7d 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "dupe == NULL" failed in uvm_page.c
2026/03/24 22:48 openbsd 7348976a6ac6 74e70d19 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/24 08:56 openbsd 2084961b940b baf8bf12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/23 04:19 openbsd 33c7e43e4e2f 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/22 06:23 openbsd 67e6794a9e1c 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/22 05:18 openbsd 67e6794a9e1c 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/21 09:04 openbsd a71bcab410b6 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/20 17:44 openbsd 65032adb4937 85bf2a64 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/20 11:28 openbsd f53d362946f9 2f245add .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/19 05:15 openbsd cf7d68fc25cd 0199f9a1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/17 00:28 openbsd 5eccae830399 0737c18f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/16 19:53 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/16 17:39 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/16 14:26 openbsd 15ef65f2835f 64e21424 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/13 05:48 openbsd fd49698d88e5 2f7f359d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/12 20:06 openbsd 7210d95da7cb 4efadf07 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/12 14:00 openbsd fd49698d88e5 4efadf07 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/03/12 06:40 openbsd 73e77b6607d4 2d88ab01 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/11 20:56 openbsd 73e77b6607d4 2d88ab01 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/03/11 16:54 openbsd 177cf78f1bc3 b4075e21 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/02/14 06:17 openbsd dca435757bf3 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/13 22:31 openbsd 002f3ac1824d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/13 09:01 openbsd 7d8bc7d2b639 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/02/13 05:43 openbsd 829f23bb157c 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/11 08:31 openbsd 960213463517 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/02/10 05:42 openbsd 7db5826dada7 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/07 12:38 openbsd 9d884ef6f275 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/06 05:48 openbsd fb820f9a8913 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/04 06:56 openbsd 75991a0e19ad 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/02/03 08:17 openbsd 2933a3218787 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/31 13:56 openbsd 3729e22e7105 afc0c4d4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/31 05:20 openbsd ffeb3c477d3b c75a2f6e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/22 20:13 openbsd 9e4d3748fbc0 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/20 21:55 openbsd bbdb2fea834c 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/20 13:13 openbsd 7d7bacacae3d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/19 12:48 openbsd 665aeba05e03 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/18 22:49 openbsd 085960a72a94 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/14 17:43 openbsd bf518416d64f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/11 17:07 openbsd 294bdc40ca4d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/08 06:50 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/07 23:31 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/07 20:51 openbsd b6bc6e61f2e3 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/05 10:50 openbsd 97968167a1e0 917fe602 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/03 09:31 openbsd 287000ffa12f e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/08 13:44 openbsd f09b465a1938 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
* Struck through repros no longer work on HEAD.