syzbot


uvm_fault: ktrops (2)

Status: upstream: reported C repro on 2023/09/29 03:07
Reported-by: syzbot+87ddeb0fe4925984a4de@syzkaller.appspotmail.com
First crash: 259d, last: 99d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: ktrops 1 831d 831d 0/3 auto-closed as invalid on 2022/06/04 01:35
Last patch testing requests (8)
Created Duration User Patch Repo Result
2024/05/15 17:08 10m retest repro openbsd report log
2024/05/15 16:56 9m retest repro openbsd report log
2024/03/06 16:49 11m retest repro openbsd report log
2024/03/06 16:35 11m retest repro openbsd report log
2023/12/27 16:37 10m retest repro openbsd report log
2023/12/27 16:24 10m retest repro openbsd report log
2023/10/18 16:10 11m retest repro openbsd report log
2023/10/18 16:10 11m retest repro openbsd report log

Sample crash report:
uvm_fault(0xfffffd806d0481e8, 0x7, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      ktrops+0x4e:    movq    0x8(%rbx),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*267256  71921      0           0          0    0K syz-executor3564366087
 420771  37795      0           0          0    1  syz-executor3564366087
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline]
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e sys/kern/kern_ktrace.c:543
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline]
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:490
sys_ktrace(ffff800021236ff0,ffff8000212879c0,ffff800021287a10) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531
syscall(ffff800021287a90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021287a90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e547f941a0, count: 10
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xfffffd806d0481e8, 0x7, 0, 1) -> e
ddb{0}> trace
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline]
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e sys/kern/kern_ktrace.c:543
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline]
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:490
sys_ktrace(ffff800021236ff0,ffff8000212879c0,ffff800021287a10) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531
syscall(ffff800021287a90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021287a90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e547f941a0, count: -5
ddb{0}> show registers
rdi               0xffff800021236ff0
rsi               0xffffffffffffffff
rbp               0xffff8000212877b0
rbx               0xffffffffffffffff
rdx                                0
rcx                       0x80001024    __kernel_virt_to_phys+0x1024
rax                              0x1
r8                0xfffffd806d35b1e0
r9                0xfffffd807f7d7888
r10               0x53a6e15f178e078d
r11               0x6eb597083f7ef415
r12               0xffffffffffffffff
r13               0xfffffd807f7d7888
r14               0xffff800021236ff0
r15                       0x80001024    __kernel_virt_to_phys+0x1024
rip               0xffffffff81427e8e    ktrops+0x4e
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800021287730
ss                              0x10
ktrops+0x4e:    movq    0x8(%rbx),%r14
ddb{0}> show proc
PROC (syz-executor3564366087) tid=267256 pid=71921 tcnt=1 stat=onproc
    flags process=0 proc=0
    runpri=17, usrpri=55, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0
    forw=0xffffffffffffffff, list=0xffff800021212ac0,0xffff800021236808
    process=0xffff8000ffff6198 user=0xffff800021282000, vmspace=0xfffffd806d0481e8
    estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
  5628  354739  59065      0  2           0                syz-executor3564366087
*71921  267256  27447      0  7           0                syz-executor3564366087
 37795  420771  62967      0  7           0                syz-executor3564366087
 12988  486254  62967      0  2           0                syz-executor3564366087
 27447  139715  62967      0  3        0x80  nanoslp       syz-executor3564366087
 50430  152366  62967      0  2           0                syz-executor3564366087
  1408   32646  62967      0  3        0x80  nanoslp       syz-executor3564366087
 85733  483937  62967      0  3        0x80  nanoslp       syz-executor3564366087
 96832  206431  62967      0  2           0                syz-executor3564366087
 59065  394445  62967      0  3        0x80  nanoslp       syz-executor3564366087
 62967  110608  53983      0  3        0x82  nanoslp       syz-executor3564366087
 53983  496585  11067      0  3    0x10008a  sigsusp       ksh
 11067  265070  25512      0  3        0x9a  kqread        sshd
 96590  225621      1      0  3    0x100083  ttyin         getty
 25512  186009      1      0  3        0x88  kqread        sshd
 83554  356338  59528     74  3   0x1100092  bpf           pflogd
 59528  283265      1      0  3        0x80  netio         pflogd
  4357  395052    827     73  3   0x1100090  kqread        syslogd
   827   53700      1      0  3    0x100082  netio         syslogd
 15667   91174      1      0  3    0x100080  kqread        resolvd
 29984  518234  55390     77  3    0x100092  kqread        dhcpleased
 71493  179881  55390     77  3    0x100092  kqread        dhcpleased
 55390  413472      1      0  3        0x80  kqread        dhcpleased
 31682   57404      0      0  3     0x14200  bored         smr
 44501  431536      0      0  3     0x14200  pgzero        zerothread
 88484  325941      0      0  3     0x14200  aiodoned      aiodoned
 34785  425375      0      0  3     0x14200  syncer        update
 48938   17667      0      0  3     0x14200  cleaner       cleaner
 30696  434022      0      0  3     0x14200  reaper        reaper
 50070   67444      0      0  3     0x14200  pgdaemon      pagedaemon
 78520  181847      0      0  3     0x14200  bored         viomb
 69953  348137      0      0  3  0x40014200  acpi0         acpi0
 69500  515333      0      0  3  0x40014200                idle1
 95150  412195      0      0  3     0x14200  bored         softnet3
 16858  424232      0      0  3     0x14200  bored         softnet2
 67684  302501      0      0  3     0x14200  bored         softnet1
 67626   87340      0      0  3     0x14200  bored         softnet0
 19469  244865      0      0  3     0x14200  bored         systqmp
 21058  299787      0      0  3     0x14200  bored         systq
 12525  385095      0      0  3  0x40014200  bored         softclock
 79522  246575      0      0  3  0x40014200                idle0
     1  398116      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 5628 (syz-executor3564366087) thread 0xffff8000212367f8 (354739)
exclusive rrwlock inode r = 0 (0xfffffd806cd5f3d8)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343
#6  ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394
#7  ufs_makeinode+0xb2 sys/ufs/ufs/ufs_vnops.c:1817
#8  ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:151
#9  VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#10 vn_open+0x27b sys/kern/vfs_vnops.c:116
#11 doopenat+0x26e sys/kern/vfs_syscalls.c:1126
#12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806cd5f928)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6  namei+0x55a sys/kern/vfs_lookup.c:250
#7  vn_open+0x17b sys/kern/vfs_vnops.c:107
#8  doopenat+0x26e sys/kern/vfs_syscalls.c:1126
#9  syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#9  syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#10 Xsyscall+0x128
Process 71921 (syz-executor3564366087) thread 0xffff800021236ff0 (267256)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82cf4020)
#0  witness_lock+0x447
#1  __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2  mi_switch+0x46b sys/kern/sched_bsd.c:470
#3  sleep_finish+0x19b sys/kern/kern_synch.c:414
#4  getblk+0x14c sys/kern/vfs_bio.c:1038
#5  bread+0x3e bio_doread sys/kern/vfs_bio.c:433 [inline]
#5  bread+0x3e sys/kern/vfs_bio.c:478
#6  ffs_update+0x14f sys/ufs/ffs/ffs_inode.c:91
#7  ufs_inactive+0x263 sys/ufs/ufs/ufs_inode.c:110
#8  VOP_INACTIVE+0xc5 sys/kern/vfs_vops.c:489
#9  vrele+0xd3 sys/kern/vfs_subr.c:827
#10 ktrsettrace+0xb7 sys/kern/kern_ktrace.c:122
#11 ktrops+0x1a8 sys/kern/kern_ktrace.c:546
#12 doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline]
#12 doktrace+0x524 sys/kern/kern_ktrace.c:490
#13 sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531
#14 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#14 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#15 Xsyscall+0x128
Process 12988 (syz-executor3564366087) thread 0xffff800021213560 (486254)
exclusive rrwlock inode r = 0 (0xfffffd806cd5f5f8)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5  ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343
#6  ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394
#7  ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149
#8  VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9  domkdirat+0x125 sys/kern/vfs_syscalls.c:3073
#10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e380a28)
#0  witness_lock+0x447
#1  rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2  rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3  VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4  vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5  vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6  namei+0x55a sys/kern/vfs_lookup.c:250
#7  domkdirat+0x79 sys/kern/vfs_syscalls.c:3058
#8  syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#8  syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#9  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10162   6456K    6457K  78643K     11240        0
            pcb    13      8K       8K  78643K        13        0
         rtable    58      1K       2K  78643K       114        0
             pf    15      6K      10K  78643K        26        0
         ifaddr    13      9K       9K  78643K        13        0
        ifgroup    22      1K       1K  78643K        22        0
       counters    44     33K      33K  78643K        44        0
       ioctlops     0      0K       4K  78643K      1475        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1176     74K      74K  78643K      1192        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       1K  78643K         2        0
         VM map     2      1K       1K  78643K         2        0
            sem     2      0K       0K  78643K         2        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc     1      0K       0K  78643K         1        0
           proc    67     91K      91K  78643K       302        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
       in_multi    11      0K       0K  78643K        11        0
    ether_multi     1      0K       0K  78643K         1        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    25    122K     122K  78643K        25        0
           exec     0      0K       1K  78643K       269        0
            tdb     3      0K       0K  78643K         3        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     8     62K      64K  78643K        10        0
       UVM amap   128      6K       6K  78643K      2510        0
       UVM aobj     3      2K       2K  78643K         3        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP     4      0K       0K  78643K         4        0
           temp     1   5904K    5968K  78643K      3119        0
         kqueue    11     16K      18K  78643K        24        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       22    0        0     1     0     1     1     0     8    0
rtpcb      120       20    0       17     1     0     1     1     0     8    0
rtentry    112       23    0        1     1     0     1     1     0     8    0
unpcb      144       99    0       84     1     0     1     1     0     8    0
syncache   304        5    0        5     1     0     1     1     0     8    1
tcpqe       32      100    0      100     1     1     0     1     0     8    0
tcpcb      808        8    0        5     1     0     1     1     0     8    0
arp        120        2    0        0     1     0     1     1     0     8    0
inpcb      368       33    0       27     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfstitem    24        9    0        0     1     0     1     1     0     8    0
pfstkey    128        9    0        0     1     0     1     1     0     8    0
pfstate    376        9    0        0     1     0     1     1     0     8    0
pfrule     1344      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256       96    0        0     6     0     6     6     0     8    0
art_table   32       97    0        0     1     0     1     1     0     8    0
art_node    16       22    0        2     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1507    0       81    90     0    90    90     0     8    0
ffsino     272     1507    0       81    96     0    96    96     0     8    0
nchpl      144     1758    0      161    60     0    60    60     0     8    0
uvmvnodes   80     1521    0        0    32     0    32    32     0     8    0
vnodes     216     1521    0        0    85     0    85    85     0     8    0
namei      1024    4915    0     4913     2     0     2     2     0     8    1
percpumem   16       35    0        0     1     0     1     1     0     8    0
kstatmem   264        8    0        0     1     0     1     1     0     8    0
scxspl     216     5229    0     5229     3     2     1     2     1     8    1
plimitpl   152       17    0       10     1     0     1     1     0     8    0
sigapl     424      378    0      333     7     1     6     6     0     8    0
knotepl    120       40    0        0     2     0     2     2     0     8    0
kqueuepl   216       20    0       13     1     0     1     1     0     8    0
pipepl     320       94    0       91     1     0     1     1     0     8    0
fdescpl    496      361    0      336     4     0     4     4     0     8    0
filepl     152     1462    0     1400     3     0     3     3     0     8    0
lockfpl    104        6    0        4     1     0     1     1     0     8    0
lockfspl    48        4    0        2     1     0     1     1     0     8    0
sessionpl  144       18    0        9     1     0     1     1     0     8    0
pgrppl      48       18    0        9     1     0     1     1     0     8    0
ucredpl    104       71    0       59     1     0     1     1     0     8    0
zombiepl   144      336    0      333     1     0     1     1     0     8    0
processpl  1072     378    0      333     4     0     4     4     0     8    0
procpl     680      378    0      333     6     1     5     5     0     8    0
sockpl     488      152    0      128     4     0     4     4     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096       3    0        0     1     0     1     1     0     8    0
mcl2k      2048     259    0        0    33     0    33    33     0     8    0
mtagpl      96        3    0        0     1     0     1     1     0     8    0
mbufpl     256      268    0        0    17     0    17    17     0     8    0
bufpl      288     2597    0       86   180     0   180   180     0     8    0
anonpl      24   148013    0   145869    24     2    22    24     0   186    9
amapchunkpl 152    8095    0     7873    10     1     9     9     0   158    0
amappl16   200     3858    0     3848     5     2     3     5     0     8    2
amappl15   192        9    0        9     1     1     0     1     0     8    0
amappl14   184      111    0      100     1     0     1     1     0     8    0
amappl13   176        6    0        6     1     1     0     1     0     8    0
amappl12   168      875    0      853     2     1     1     2     0     8    0
amappl11   160       60    0       46     1     0     1     1     0     8    0
amappl10   152       10    0       10     1     0     1     1     0     8    1
amappl9    144      147    0      147     1     1     0     1     0     8    0
amappl8    136       58    0       56     1     0     1     1     0     8    0
amappl7    128       32    0       30     1     0     1     1     0     8    0
amappl6    120      248    0      233     1     0     1     1     0     8    0
amappl5    112      107    0       96     1     0     1     1     0     8    0
amappl4    104      500    0      457     2     0     2     2     0     8    0
amappl3     96     2395    0     2348     3     1     2     2     0     8    0
amappl2     88      540    0      490     2     0     2     2     0     8    0
amappl1     80     9606    0     9111    12     0    12    12     0     8    0
amappl      88     2202    0     2122     2     0     2     2     0    92    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        6    0        6     1     1     0     1     0     8    0
dma128     128      253    0      253     1     1     0     1     0     8    0
dma64       64        6    0        6     1     1     0     1     0     8    0
dma32       32        7    0        7     1     1     0     1     0     8    0
dma16       16       18    0       17     1     0     1     1     0     8    0
aobjpl      72        2    0        0     1     0     1     1     0     8    0
uaddrrnd    24      361    0      336     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      361    0      336     1     0     1     1     0     8    0
vmmpekpl   168     7266    0     7246     1     0     1     1     0     8    0
vmmpepl    168    35545    0    34265    60     1    59    59     0   357    2
vmsppl     464      360    0      336     4     0     4     4     0     8    0
rwobjpl     56    18062    0    15788    35     2    33    33     0     8    0
pdppl      4096     729    0      672    79    14    65    65     0     8    8
pvpl        32   252424    0   247221    57     2    55    57     0   265   12
pmappl     248      360    0      336     2     0     2     2     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      520    0       17    15     0    15    15     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline]
ktrops(ffff800021236ff0,ffffffffffffffff,0,80001024,fffffd806d35b1e0,fffffd807f7d7888) at ktrops+0x4e sys/kern/kern_ktrace.c:543
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline]
doktrace(fffffd806d35b1e0,4,1024,0,ffff800021236ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:490
sys_ktrace(ffff800021236ff0,ffff8000212879c0,ffff800021287a10) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531
syscall(ffff800021287a90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021287a90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e547f941a0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1e:        addq    $0x8,%rsp
x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff82cf3e18) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82cf3e18) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff800021281cd0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021281cd0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e547f941a0, count: 9
ddb{1}> trace
x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff82cf3e18) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82cf3e18) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff800021281cd0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021281cd0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e547f941a0, count: -6
ddb{1}> 

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/01 06:46 openbsd 1bdb880e17f6 8e26a358 .config console log report syz C [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: ktrops
2023/09/29 03:26 openbsd 22f3b8cefb12 d265efd8 .config console log report syz C [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: ktrops
2024/03/07 13:08 openbsd e9310faa4406 2b789849 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: ktrops
2023/10/04 16:03 openbsd 69134681f69a b7d7ff54 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: ktrops
2023/10/03 17:43 openbsd 1fa6c88b0f9f 65faba36 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: ktrops
2023/10/01 10:16 openbsd a4eb2b356832 8e26a358 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: ktrops
2023/09/29 03:07 openbsd 22f3b8cefb12 d265efd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: ktrops
* Struck through repros no longer work on HEAD.