syzbot


uvm_fault: proc_trampoline (2)

Status: upstream: reported on 2025/02/06 12:48
Reported-by: syzbot+6d88abc44e13bdeba3d5@syzkaller.appspotmail.com
First crash: 284d, last: 1d04h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: proc_trampoline -1 6 417d 589d 0/3 auto-obsoleted due to no activity on 2024/12/25 08:30

Sample crash report:
uvm_fault(0xfffffd805ab09030, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff82fa0058 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80003c446ec0
gsbase 0xffff8000299edff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff82fa0058
Starting stack trace...
panic(ffffffff833d70d5) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80003c446e10) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff8000015d8000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff800030ff1cb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff800030ff1cb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80003c446fc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806bb39520,81,fffffd80097fd548,ffff800030ff1cb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806d23e528,ffff800030ff1cb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806d23e528,ffff800030ff1cb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806d23e528,ffff800030ff1cb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806d23e528,ffff800030ff1cb0) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff800030ff1cb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff800030ff1cb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff800030ff1cb0,ffff80003c447330,ffff80003c447280) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c447330) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c447330) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c95a3a86d40, count: 242
End of stack trace.
WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0
Stopped at      proc_trampoline+0xc7:   movl    $0,%gs:0x688
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*390935  23463      0           0  0x4000000    1  syz-executor
 490314   1854      0     0x14000      0x200    0  reaper
proc_trampoline() at proc_trampoline+0xc7
end trace frame: 0x0, count: 14
https://www.openbsd.org/ddb.html describes the minimum info required in bug
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ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd805ab09030, 0x0, 0, 1) -> e
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end trace frame: 0x0, count: -1
ddb{1}> show registers
rdi                                0
rsi                                0
rbp               0xffff80003c507bc0
rbx                                0
rdx                                0
rcx               0xffff8000fffeefa8
rax                             0x2a
r8                0xffff80003c507af0
r9                               0x1
r10               0xb91b38ef79f69524
r11               0xd5f7c4158f7da98f
r12                                0
r13                                0
r14                                0
r15                                0
rip               0xffffffff827fd4c7    proc_trampoline+0xc7
cs                               0x8
rflags                         0x246
rsp               0xffff80003c507b40
ss                              0x10
proc_trampoline+0xc7:   movl    $0,%gs:0x688
ddb{1}> show proc
PROC (syz-executor) tid=390935 pid=23463 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=50, usrpri=50, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff800030ff3258,0xffff8000fffefa18
    process=0xffff80003c467048 user=0xffff80003c502000, vmspace=0xfffffd805ab09400
    estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 29646  337819  72916      0  2           0                syz-executor
 29646   70533  72916      0  2   0x4000000                syz-executor
 23463  304475  79549      0  2           0                syz-executor
*23463  390935  79549      0  7   0x4000000                syz-executor
 23463  221006  79549      0  2   0x4000000                syz-executor
 44608   10335  14049      0  2           0                syz-executor
 44608  133261  14049      0  3   0x4000080  fsleep        syz-executor
 84343  332849  52308      0  2           0                syz-executor
 84343  441832  52308      0  3   0x4000080  fsleep        syz-executor
 81359  147090  99676      0  2           0                syz-executor
 81359  462197  99676      0  3   0x4000080  fsleep        syz-executor
 81359  368458  99676      0  2   0x4000000                syz-executor
  5903   95512  88035      0  3        0x80  nanoslp       syz-executor
  5903   82278  88035      0  3   0x4000000  smrbar        syz-executor
 49571    3642  94112      0  2           0                syz-executor
 49571  289585  94112      0  3   0x4000080  fsleep        syz-executor
 49571   68538  94112      0  3   0x4000080  fsleep        syz-executor
 72916   93945  66401      0  3        0x82  nanoslp       syz-executor
 99434  390272      0      0  3     0x14200  acct          acct
 38942   44291  66401      0  3        0x82  nanoslp       syz-executor
  2054   15059      1      0  3    0x100083  ttyin         getty
 14049   24670  66401      0  2         0x2                syz-executor
 87429  128103      0      0  3     0x14280  nfsidl        nfsio
 68943  319450      0      0  3     0x14280  nfsidl        nfsio
  9777  364709      0      0  3     0x14280  nfsidl        nfsio
 60297  177741      0      0  3     0x14280  nfsidl        nfsio
 74436   46410      0      0  3     0x14280  nfsidl        nfsio
 29096  472597      0      0  3     0x14280  nfsidl        nfsio
 60708   98080      0      0  3     0x14280  nfsidl        nfsio
 20131  494175      0      0  3     0x14280  nfsidl        nfsio
 85425  352122      0      0  3     0x14280  nfsidl        nfsio
 75134  286904      0      0  3     0x14280  nfsidl        nfsio
 61623   53173      0      0  3     0x14280  nfsidl        nfsio
 36610   91600      0      0  3     0x14280  nfsidl        nfsio
 63254  159284      0      0  3     0x14280  nfsidl        nfsio
 24122  314063      0      0  3     0x14280  nfsidl        nfsio
 91170  412032      0      0  3     0x14280  nfsidl        nfsio
 10810  164028      0      0  3     0x14280  nfsidl        nfsio
 58670  170537      0      0  3     0x14280  nfsidl        nfsio
 65707  240124      0      0  3     0x14280  nfsidl        nfsio
 52272  401950      0      0  3     0x14280  nfsidl        nfsio
 10614  303407      0      0  3     0x14280  nfsidl        nfsio
 52308  371291  66401      0  3        0x82  nanoslp       syz-executor
 94112  280976  66401      0  3        0x82  nanoslp       syz-executor
 99676  319770  66401      0  3        0x82  nanoslp       syz-executor
 79549  501949  66401      0  3        0x82  nanoslp       syz-executor
 88035  233281  66401      0  3        0x82  nanoslp       syz-executor
 66401  458548  14359      0  3        0x82  kqread        syz-executor
 14359  163584  36841      0  3    0x10008a  sigsusp       ksh
 36841  131161  54966      0  3        0x98  kqread        sshd-session
 54966   29769   8497      0  3        0x92  kqread        sshd-session
  8497  206114      1      0  3        0x88  kqread        sshd
 60241  367570  76085     74  3   0x1100092  bpf           pflogd
 76085   79727      1      0  3        0x80  sbwait        pflogd
  4603  143422  51337     73  3   0x1100090  kqread        syslogd
 51337  429673      1      0  3    0x100082  sbwait        syslogd
 60735  505405      1      0  3    0x100080  kqread        resolvd
 67562  484151  58078     77  3    0x100092  kqread        dhcpleased
 70121  305762  58078     77  3    0x100092  kqread        dhcpleased
 58078  209986      1      0  3        0x80  kqread        dhcpleased
 45710  157542      0      0  3     0x14200  pause         smr
 62123  174035      0      0  2     0x14200                zerothread
  8536   93961      0      0  3     0x14200  aiodoned      aiodoned
  9509  148175      0      0  3     0x14200  syncer        update
 55142  413601      0      0  3     0x14200  cleaner       cleaner
  1854  490314      0      0  7     0x14200                reaper
  3666  312270      0      0  3     0x14200  pgdaemon      pagedaemon
 18896  386363      0      0  3     0x14200  bored         viomb
 32662  298576      0      0  3  0x40014200  acpi0         acpi0
 94103  198551      0      0  3  0x40014200                idle1
 36285  470764      0      0  3     0x14200  bored         softnet1
  8013   46658      0      0  3     0x14200  netlock       softnet0
 12038   62660      0      0  3     0x14200  smrbar        systqmp
 41342  222525      0      0  3     0x14200  bored         systq
 31327   33822      0      0  3     0x14200  tmoslp        softclockmp
 64312  108549      0      0  3  0x40014200  tmoslp        softclock
  6195  106767      0      0  3  0x40014200                idle0
     1  150335      0      0  3        0x82  wait          init
     0       0     -1      0  3  0x10010200  scheduler     swapper
ddb{1}> show all locks
Process 5903 (syz-executor) thread 0xffff800030ff3788 (82278)
exclusive rwlock clonelk r = 0 (0xffffffff837a65d8)
#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  if_clone_destroy+0x93 sys/net/if.c:-1
#3  ifioctl+0x59d sys/net/if.c:2089
#4  sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#5  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#6  Xsyscall+0x128
Process 1854 (reaper) thread 0xffff8000ffffdc90 (490314)
exclusive rwlock kmmaplk r = 0 (0xffffffff839c7dc8)
#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:1792
#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 12038 (systqmp) thread 0xffff8000ffffe000 (62660)
shared rwlock systqmp r = 0 (0xffffffff8385f8c8)
#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 10257  11248K   12540K 166960K     15262        0
            pcb    19     15K      22K 166960K       388        0
         rtable   202     10K      10K 166960K       750        0
             pf    32     17K      20K 166960K       219        0
         ifaddr    35      6K       8K 166960K       149        0
        ifgroup    47      2K       2K 166960K       250        0
         sysctl     3      1K       9K 166960K        26        0
       counters    64     36K      37K 166960K       258        0
       ioctlops     0      0K       8K 166960K      2022        0
            iov     0      0K      24K 166960K       109        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1530     96K      96K 166960K      3524        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       9K 166960K        21        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K       196        0
        dirhash    12      2K       2K 166960K        45        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    18     65K     236K 166960K      1839        0
          sigio     0      0K       0K 166960K        28        0
           proc    78    131K     164K 166960K       835        0
        subproc    72      4K       4K 166960K       108        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K       198        0
       in_multi    69      4K       7K 166960K       254        0
    ether_multi     1      0K       0K 166960K        34        0
            mrt     1      0K       0K 166960K        20        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys   265   1182K    1182K 166960K       265        0
           exec     0      0K       1K 166960K       608        0
   fusefs mount     1     32K      32K 166960K         1        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   241    155K     181K 166960K     18554        0
       UVM aobj    42     12K      12K 166960K        45        0
     pinsyscall    43     86K     108K 166960K      3074        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        95        0
            NDP    10      0K       2K 166960K        98        0
           temp    77   8672K    8796K 166960K     73655        0
         kqueue    13     20K      31K 166960K       345        0
      SYN cache     2      0K      16K 166960K         4        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      323    0      320     6     1     5     5     0     8    4
rtentry    176      205    0      130     6     0     6     6     0     8    0
unpcb      144     1483    0     1464    16    10     6     6     0     8    5
syncache   336       11    0       11     6     5     1     1     0     8    1
tcpcb      736      726    0      721    17    10     7     7     0     8    6
arp        136       31    0       16     1     0     1     1     0     8    0
inpcb      328     2049    0     2038    18     9     9     9     0     8    7
nd6        152       40    0       22     1     0     1     1     0     8    0
pkpcb       40       12    0       12     4     3     1     1     0     8    1
kcovpl      48       12    0        4     1     0     1     1     0     8    0
ppxss      1192      69    0       69     3     2     1     1     0     8    1
pppxif     1504      10    0       10     5     4     1     1     0     8    1
pffrag     232       10    0        6     1     0     1     1     0   482    0
pffrnode    88        8    0        4     1     0     1     1     0     8    0
pffrent     40       22    0       18     1     0     1     1     0     8    0
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       5    0        5     4     4     0     1     0     8    0
pfstitem    24       45    0       27     1     0     1     1     0     8    0
pfstkey    128       45    0       27     2     0     2     2     0     8    0
pfstate    448       44    0       27     5     1     4     5     0     8    0
pfrule     1344      33    0       26     2     1     1     2     0     8    0
rttmr      136        2    0        2     2     1     1     1     0     8    1
art_heap8  4096       5    0        0     5     0     5     5     0     8    0
art_heap4  256      926    0      587    35    13    22    29     0     8    0
art_table   40      931    0      587     5     0     5     5     0     8    0
art_node    32      202    0      135     1     0     1     1     0     8    0
sysvmsgpl   40        7    0        5     1     0     1     1     0     8    0
semupl     112        4    0        4     2     2     0     1     0     8    0
semapl     112      193    0      183     1     0     1     1     0     8    0
shmpl      112       37    0        3     1     0     1     1     0     8    0
dirhash    1024      41    0       24     3     0     3     3     0     8    0
dino2pl    256     4843    0     3329    96     0    96    96     0     8    0
ffsino     296     4843    0     3329   118     0   118   118     0     8    0
nchpl      144     7382    0     5667    64     0    64    64     0     8    0
rtmask      32        9    0        9     3     2     1     1     0     8    1
vnodes     216     5926    0        0   330     0   330   330     0     8    0
namei      1024   26525    0    26525     3     2     1     2     0     8    1
percpumem   16      144    0       97     1     0     1     1     0     8    0
vcpupl     3968       5    0        0     1     0     1     1     0     8    0
vmpool     840        5    0        0     1     0     1     1     0     8    0
kstatmem   264      152    0      128     7     4     3     3     0     8    1
acpiwqpl    32        1    0        1     1     0     1     1     1     8    1
scsiplug    72        2    0        2     2     1     1     1     0     8    1
scxspl     216    51042    0    51042    14    13     1     8     1     8    1
plimitpl   152      655    0      638     1     0     1     1     0     8    0
sigapl     424     2145    0     2076     9     1     8     8     0     8    0
knotepl    120      566    0        0    17     0    17    17     0     8    0
kqueuepl   224      831    0      822    14    13     1     5     0     8    0
pipepl     344      534    0      504     9     4     5     9     0     8    2
fdescpl    528     2104    0     2072     3     0     3     3     0     8    0
filepl     160    15163    0    14934    40    22    18    19     0     8    4
lockfpl    104      868    0      866     2     1     1     2     0     8    0
lockfspl    48      324    0      322     1     0     1     1     0     8    0
sessionpl  144       33    0       24     1     0     1     1     0     8    0
pgrppl      48      262    0      245     1     0     1     1     0     8    0
ucredpl    104     2734    0     2720     1     0     1     1     0     8    0
zombiepl   144     2670    0     2669     1     0     1     1     0     8    0
processpl  1232    2145    0     2076     6     0     6     6     0     8    0
procpl     664     5150    0     5071     8     0     8     8     0     8    0
sosppl     176        7    0        7     4     3     1     1     0     8    1
sockpl     752     3938    0     3905    51    35    16    20     0     8   12
mcl64k     65536     21    0        0     3     0     3     3     0     8    0
mcl16k     16384      6    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl9k      9216       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       5    0        0     1     0     1     1     0     8    0
mcl4k      4096     133    0        0    17     0    17    17     0     8    0
mcl2k      2048      59    0        0     7     0     7     7     0     8    0
mtagpl      96      207    0        0     5     0     5     5     0     8    0
mbufpl     256     1739    0        0   107     0   107   107     0     8    0
bufpl      280    21414    0    15277   439     0   439   439     0     8    0
anonpl      32    12900    0        0   104     0   104   104     0   246    0
amapchunkpl 152   65592    0    65106    64    35    29    38     0   158    5
amappl16   200     7167    0     7132    65    48    17    31     0     8    7
amappl15   192        4    0        4     1     1     0     1     0     8    0
amappl14   184       11    0       11     1     1     0     1     0     8    0
amappl13   176      473    0      472     1     0     1     1     0     8    0
amappl12   168     2507    0     2464     3     1     2     3     0     8    0
amappl11   160        5    0        5     1     1     0     1     0     8    0
amappl10   152       56    0       41     1     0     1     1     0     8    0
amappl9    144      257    0      257     1     1     0     1     0     8    0
amappl8    136       45    0       43     1     0     1     1     0     8    0
amappl7    128       97    0       95     1     0     1     1     0     8    0
amappl6    120      337    0      323     1     0     1     1     0     8    0
amappl5    112       89    0       78     1     0     1     1     0     8    0
amappl4    104      465    0      435     1     0     1     1     0     8    0
amappl3     96    11165    0    11073     4     1     3     3     0     8    0
amappl2     88     2240    0     2161     2     0     2     2     0     8    0
amappl1     80    17561    0    16961    15     1    14    15     0     8    0
amappl      88    17467    0    17303     5     0     5     5     0    92    0
uvmvnodes   80      174    0        0     4     0     4     4     0     8    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma2048    2048       1    0        1     1     1     0     1     0     8    0
dma1024    1024       2    0        1     1     0     1     1     0     8    0
dma256     256        7    0        7     2     2     0     1     0     8    0
dma128     128      254    0      254     2     1     1     1     0     8    1
dma64       64        7    0        7     2     2     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       44    0        3     1     0     1     1     0     8    0
uaddrrnd    24     2104    0     2072     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2104    0     2072     1     0     1     1     0     8    0
vmmpekpl   168    19700    0    19648     3     0     3     3     0     8    0
vmmpepl    168   139555    0   137572   126    17   109   113     0   357    9
vmsppl     488     2103    0     2072     7     2     5     5     0     8    0
rwobjpl     80    38537    0    37388    38     2    36    36     0     8    0
pdppl      4096    4225    0     4149   118    42    76    85     0     8    0
pvpl        32    20148    0        0   162     0   162   162     0   265    0
pmappl     256     2108    0     2072     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      432    0       77    11     0    11    11     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8382fff0) 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
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff80002a243f30,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 sys/kern/kern_lock.c:173
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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
mtx_enter(ffffffff8385f660) at mtx_enter+0x2c sys/kern/kern_lock.c:-1
msleep_nsec(ffffffff8385f698,ffffffff8385f660,4,ffffffff833b8343,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209
reaper(ffff8000ffffdc90) at reaper+0x15b sys/kern/kern_exit.c:477
end trace frame: 0x0, count: 1
ddb{0}> trace
x86_ipi_db(ffffffff8382fff0) 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
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff80002a243f30,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838ea180) at __mp_lock+0x192 sys/kern/kern_lock.c:173
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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
mtx_enter(ffffffff8385f660) at mtx_enter+0x2c sys/kern/kern_lock.c:-1
msleep_nsec(ffffffff8385f698,ffffffff8385f660,4,ffffffff833b8343,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209
reaper(ffff8000ffffdc90) at reaper+0x15b sys/kern/kern_exit.c:477
end trace frame: 0x0, count: -14
ddb{0}> machine ddbcpu 1
Stopped at      proc_trampoline+0xc7:   movl    $0,%gs:0x688
proc_trampoline() at proc_trampoline+0xc7
end trace frame: 0x0, count: 14
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end trace frame: 0x0, count: -1

Crashes (219):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/16 17:53 openbsd 9c41abc406e3 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/16 10:01 openbsd 9c41abc406e3 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/16 05:57 openbsd 42d4ce758e42 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/14 02:07 openbsd 3a7be1e428cc 07e030de .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/12 18:45 openbsd 30ee307006ea 07e030de .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/10 11:16 openbsd 129ed0dedc2e 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/09 19:14 openbsd ba1265228048 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/09 00:06 openbsd e187005a6767 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/08 15:57 openbsd f09b465a1938 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/05 18:46 openbsd 69af9e93ff65 a6c9c731 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/05 06:00 openbsd e111ebd78232 a6c9c731 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/05 01:04 openbsd e111ebd78232 a6c9c731 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/04 22:30 openbsd e111ebd78232 a6c9c731 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/03 23:10 openbsd 0214ec5c7fc4 e6c64ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/03 20:02 openbsd 0214ec5c7fc4 e6c64ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/11/02 23:28 openbsd dd6e4afad218 2c50b6a9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/31 10:33 openbsd 891ab1b6d336 2c50b6a9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/31 07:09 openbsd 891ab1b6d336 2c50b6a9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/28 22:51 openbsd 46d840b2b363 fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/25 19:29 openbsd 61d6733dbbce c0460fcd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/21 21:01 openbsd cf10c014bcdf 252fbbad .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/20 17:50 openbsd af1b6d4dac14 d422939c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/19 16:38 openbsd c35d419de826 1c8c8cd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/19 05:50 openbsd fbb138a81af3 1c8c8cd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/19 00:55 openbsd fbb138a81af3 1c8c8cd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/16 19:35 openbsd 50f6669fa374 19568248 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/15 23:26 openbsd 5c82c8249a58 82df6b00 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/14 21:16 openbsd 0103d4dff6b6 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/14 12:59 openbsd 0ee618c489a8 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/14 07:32 openbsd 0ee618c489a8 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/14 02:18 openbsd 0ee618c489a8 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/13 21:46 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/13 19:33 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/13 16:59 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/13 15:37 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/13 12:28 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/12 05:05 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/11 16:52 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/11 10:23 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/10 22:57 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/09 09:24 openbsd 42468faed836 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/09 05:46 openbsd 42468faed836 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/09 00:47 openbsd 42468faed836 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/08 18:41 openbsd b8b7e987f417 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/08 13:37 openbsd b8b7e987f417 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/08 08:03 openbsd a66c1d641baa 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/08 04:03 openbsd a66c1d641baa 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/07 23:10 openbsd a66c1d641baa 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/07 07:47 openbsd f4db8a7c3d37 8ef35d49 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/10/06 14:29 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
2025/08/11 05:15 openbsd 9abff0b24f7a 32a0e5ed .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid uvm_fault: proc_trampoline
2025/02/06 12:47 openbsd 4a7e1005694f 1e1faf27 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: proc_trampoline
* Struck through repros no longer work on HEAD.