syzbot


panic: malloc: allocation too large, type = NUM, size = ADDR (4)

Status: upstream: reported on 2025/02/07 03:03
Reported-by: syzbot+ad6862768dc0eea6581b@syzkaller.appspotmail.com
First crash: 16d, last: 1h25m
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: malloc: allocation too large, type = NUM, size = ADDR (2) 126 94d 184d 0/3 auto-obsoleted due to no activity on 2025/01/09 10:32
openbsd panic: malloc: allocation too large, type = NUM, size = ADDR (3) 58 16d 19d 3/3 fixed on 2025/02/06 06:14
openbsd panic: malloc: allocation too large, type = NUM, size = ADDR C 3 1165d 1166d 3/3 fixed on 2021/12/21 15:21

Sample crash report:
panic: malloc: allocation too large, type = 31, size = 4294970988
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*177782  96975      0           0  0x4000000    1K syz-executor
 505801  98077      0           0  0x4000000    0  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83371bf8) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(100000e6c,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334
sys_semop(ffff8000398c74a8,ffff80003a8d6c60,ffff80003a8d6bb0) at sys_semop+0x234 sys/kern/sysv_sem.c:564
syscall(ffff80003a8d6c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a8d6c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5051e733670, count: 9
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: malloc: allocation too large, type = 31, size = 4294970988
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83371bf8) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(100000e6c,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334
sys_semop(ffff8000398c74a8,ffff80003a8d6c60,ffff80003a8d6bb0) at sys_semop+0x234 sys/kern/sysv_sem.c:564
syscall(ffff80003a8d6c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a8d6c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5051e733670, count: -6
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80003a8d68d0
rbx               0xffff800029a9cdc7
rdx               0xffff800001444a80
rcx               0xffff8000398c74a8
rax               0xffff800029a9bff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xdc29ef0232db59ea
r11                0x2abe8bb64abae48
r12               0xffff800029a9cbc8
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff810240e5    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80003a8d68c0
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=177782 pid=96975 tcnt=2 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=32, usrpri=86, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000398c67d8,0xffff8000398c79d8
    process=0xffff80003a8db2a8 user=0xffff80003a8d1000, vmspace=0xfffffd806bec91e0
    estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 33745  236018  23048      0  2           0                syz-executor
 33745  379041  23048      0  3   0x4000080  fsleep        syz-executor
 96975   96403  45134      0  2           0                syz-executor
*96975  177782  45134      0  7   0x4000000                syz-executor
 70475   99438  31540      0  3        0x80  nanoslp       syz-executor
 70475  513727  31540      0  3   0x4000080  fsleep        syz-executor
 98077  180789  45001      0  2           0                syz-executor
 98077  505801  45001      0  7   0x4000000                syz-executor
 78170  448663   1537      0  2       0x480                syz-executor
 78170  238255   1537      0  3   0x4000080  msgwait       syz-executor
 78170  488121   1537      0  3   0x4000080  fsleep        syz-executor
 66571  502240      0      0  3     0x14200  bored         sosplice
 65127  491354  56625      0  3    0x100082  sbwait        arp
 56625  323168  91563      0  3    0x10008a  sigsusp       sh
 31540  268838  34957      0  2       0x482                syz-executor
 95500  498054  34957      0  2       0x482                syz-executor
 45134   71959  34957      0  2       0x482                syz-executor
 24737  403859  34957      0  2       0x482                syz-executor
 91563   67961  34957      0  3        0x82  wait          syz-executor
 45001  306645  34957      0  2       0x482                syz-executor
  1537  472579  34957      0  2       0x482                syz-executor
 23048  345853  34957      0  2       0x482                syz-executor
 34957  442873  92648      0  3        0x82  kqread        syz-executor
 92648  199381   5788      0  3    0x10008a  sigsusp       ksh
  5788  389454  77814      0  3        0x98  kqread        sshd-session
 77814  362652  56067      0  3        0x92  kqread        sshd-session
 66490   36945      1      0  3    0x100083  ttyin         getty
 56067  367051      1      0  3        0x88  kqread        sshd
 78426  154821  74344     74  3   0x1100092  bpf           pflogd
 74344  470085      1      0  3        0x80  sbwait        pflogd
 11764  479527  44661     73  3   0x1100090  kqread        syslogd
 44661  420830      1      0  3    0x100082  sbwait        syslogd
 89151  462595      1      0  3    0x100080  kqread        resolvd
 71007  308780   7205     77  3    0x100092  kqread        dhcpleased
 43210  398477   7205     77  3    0x100092  kqread        dhcpleased
  7205  402214      1      0  3        0x80  kqread        dhcpleased
 79914  268416      0      0  2  0x40014200                smr
 86256  117033      0      0  2     0x14200                zerothread
 96233   70597      0      0  3     0x14200  aiodoned      aiodoned
 36929  271256      0      0  3     0x14200  syncer        update
 44573  103173      0      0  3     0x14200  cleaner       cleaner
 84879  257771      0      0  3     0x14200  reaper        reaper
 56159   55586      0      0  3     0x14200  pgdaemon      pagedaemon
 92105  204967      0      0  3     0x14200  bored         viomb
 51743  359869      0      0  3  0x40014200  acpi0         acpi0
 90588  412804      0      0  3  0x40014200                idle1
  6812   34151      0      0  3     0x14200  bored         softnet3
 24158  415897      0      0  3     0x14200  bored         softnet2
  8545  130000      0      0  3     0x14200  bored         softnet1
 50145  410815      0      0  3     0x14200  bored         softnet0
 80427  452150      0      0  3     0x14200  bored         systqmp
 80672  289618      0      0  3     0x14200  bored         systq
 64265  430464      0      0  3     0x14200  tmoslp        softclockmp
 19066   87739      0      0  2  0x40014200                softclock
 35867   68470      0      0  3  0x40014200                idle0
     1  281486      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
Process 96975 (syz-executor) thread 0xffff8000398c74a8 (177782)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83906af8)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#1  syscall+0xae6 sys/arch/amd64/amd64/trap.c:577
#2  Xsyscall+0x128
Process 98077 (syz-executor) thread 0xffff8000ffff67d0 (505801)
shared rwlock vmmaplk r = 0 (0xfffffd806bec9118)
#0  witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1  rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405
#2  uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864
#3  uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732
#4  uvm_fault+0x106 sys/uvm/uvm_fault.c:668
#5  kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
#6  kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
#7  alltraps_kern_meltdown+0x7b
#8  copyout+0x57
#9  syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9  syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#10 Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10214  11282K   11282K 166960K     11679        0
            pcb    18     12K      12K 166960K        59        0
         rtable   212      6K       7K 166960K       368        0
             pf    36     18K      21K 166960K       103        0
         ifaddr    38      6K       7K 166960K        50        0
        ifgroup    56      2K       2K 166960K        75        0
         sysctl     3      1K       1K 166960K         3        0
       counters    64     36K      36K 166960K        74        0
       ioctlops     0      0K       4K 166960K      1559        0
            iov     0      0K      16K 166960K        12        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1399     88K      88K 166960K      1572        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K         4        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        47        0
        dirhash    12      2K       2K 166960K        18        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    19     69K      93K 166960K       363        0
          sigio     0      0K       0K 166960K         3        0
           proc    72     91K     128K 166960K       555        0
        subproc    72      4K       4K 166960K        72        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        40        0
       in_multi    78      5K       6K 166960K       100        0
    ether_multi     1      0K       0K 166960K         5        0
            mrt     1      0K       0K 166960K         2        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    79    360K     360K 166960K        79        0
           exec     0      0K       1K 166960K       406        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   242     73K      77K 166960K      4923        0
       UVM aobj     6      4K       4K 166960K         6        0
     pinsyscall    45     90K     105K 166960K      1437        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        14        0
            NDP    12      0K       1K 166960K        31        0
           temp    41   8635K    8762K 166960K     17869        0
         kqueue    14     22K      28K 166960K        69        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       24    0        0     1     0     1     1     0     8    0
rtpcb      120       50    0       45     1     0     1     1     0     8    0
rtentry    112      110    0       13     4     0     4     4     0     8    0
unpcb      144      148    0      130     1     0     1     1     0     8    0
syncache   336        4    0        4     1     1     0     1     0     8    0
tcpcb      808       59    0       54     1     0     1     1     0     8    0
arp        120       18    0        2     1     0     1     1     0     8    0
inpcb      376      253    0      240     2     0     2     2     0     8    0
nd6        136       24    0        3     1     0     1     1     0     8    0
pkpcb       40        3    0        3     2     1     1     1     0     8    1
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1168       1    0        1     1     0     1     1     0     8    1
pfstscr     40        1    0        1     1     0     1     1     0     8    1
pffrag     232        2    0        1     1     0     1     1     0   482    0
pffrnode    88        2    0        1     1     0     1     1     0     8    0
pffrent     40        4    0        3     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfrktable  1344       1    0        1     1     0     1     1     0     8    1
pftag       88        2    0        1     1     0     1     1     0     8    0
pfstitem    24       37    0        1     1     0     1     1     0     8    0
pfstkey    128       41    0        5     2     0     2     2     0     8    0
pfstate    376       38    0        3     4     0     4     4     0     8    0
pfrule     1344      27    0       22     2     1     1     2     0     8    0
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      450    0       44    26     0    26    26     0     8    0
art_table   32      452    0       44     4     0     4     4     0     8    0
art_node    16      108    0       19     1     0     1     1     0     8    0
sysvmsgpl   40        3    0        3     2     1     1     1     0     8    1
semapl     112       45    0       35     1     0     1     1     0     8    0
shmpl      112        3    0        0     1     0     1     1     0     8    0
dirhash    1024      21    0        4     3     0     3     3     0     8    0
dino2pl    256     1983    0      475    95     0    95    95     0     8    0
ffsino     280     1983    0      475   109     0   109   109     0     8    0
nchpl      144     2517    0      830    63     0    63    63     0     8    0
uvmvnodes   80     2219    0        0    46     0    46    46     0     8    0
vnodes     216     2219    0        0   124     0   124   124     0     8    0
namei      1024    8524    0     8524     1     0     1     1     0     8    1
percpumem   16       51    0        5     1     0     1     1     0     8    0
kstatmem   264       34    0       10     2     0     2     2     0     8    0
scxspl     216     7740    0     7740     4     3     1     2     1     8    1
plimitpl   152       68    0       51     1     0     1     1     0     8    0
sigapl     424      663    0      611     7     0     7     7     0     8    0
futexpl     64     3834    0     3831     1     0     1     1     0     8    0
knotepl    120      312    0        0    10     0    10    10     0     8    0
kqueuepl   216       84    0       73     1     0     1     1     0     8    0
pipepl     328      122    0       95     3     0     3     3     0     8    0
fdescpl    504      644    0      611     5     0     5     5     0     8    0
filepl     152     3154    0     2921    15     2    13    14     0     8    3
lockfpl    104       76    0       73     1     0     1     1     0     8    0
lockfspl    48       37    0       34     1     0     1     1     0     8    0
sessionpl  144       23    0       14     1     0     1     1     0     8    0
pgrppl      48       31    0       14     1     0     1     1     0     8    0
ucredpl    104      391    0      377     1     0     1     1     0     8    0
zombiepl   144      613    0      611     1     0     1     1     0     8    0
processpl  1176     663    0      611     5     0     5     5     0     8    0
procpl     656     1056    0      998     6     0     6     6     0     8    0
srpgc       96        2    0        2     1     0     1     1     0     8    1
sosppl     168        2    0        0     1     0     1     1     0     8    0
sockpl     688      456    0      420     4     0     4     4     0     8    0
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl8k      8192       3    0        0     1     0     1     1     0     8    0
mcl4k      4096     112    0        0    14     0    14    14     0     8    0
mcl2k      2048      31    0        0     4     0     4     4     0     8    0
mtagpl      96       48    0        0     2     0     2     2     0     8    0
mbufpl     256      209    0        0    13     0    13    13     0     8    0
bufpl      280     3763    0      131   260     0   260   260     0     8    0
anonpl      24   127149    0   120860    61     1    60    60     0   184   19
amapchunkpl 152   15541    0    14935    28     0    28    28     0   158    4
amappl16   200     2630    0     2521    18     3    15    17     0     8    8
amappl15   192        4    0        4     1     1     0     1     0     8    0
amappl14   184      119    0      106     1     0     1     1     0     8    0
amappl13   176        2    0        2     1     1     0     1     0     8    0
amappl12   168     1281    0     1247     3     1     2     2     0     8    0
amappl11   160       54    0       39     1     0     1     1     0     8    0
amappl10   152       33    0       33     1     1     0     1     0     8    0
amappl9    144      250    0      250     1     1     0     1     0     8    0
amappl8    136       28    0       25     1     0     1     1     0     8    0
amappl7    128      108    0       95     1     0     1     1     0     8    0
amappl6    120      174    0      169     1     0     1     1     0     8    0
amappl5    112      121    0      112     1     0     1     1     0     8    0
amappl4    104      308    0      287     1     0     1     1     0     8    0
amappl3     96     2780    0     2659     4     0     4     4     0     8    1
amappl2     88      640    0      574     2     0     2     2     0     8    0
amappl1     80     8606    0     8002    15     0    15    15     0     8    0
amappl      88     4547    0     4363     5     0     5     5     0    92    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        6    0        6     1     1     0     1     0     8    0
dma128     128      253    0      253     1     1     0     1     0     8    0
dma64       64        6    0        6     1     1     0     1     0     8    0
dma32       32        7    0        7     1     1     0     1     0     8    0
dma16       16       18    0       17     1     0     1     1     0     8    0
aobjpl      72        5    0        0     1     0     1     1     0     8    0
uaddrrnd    24      644    0      611     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      644    0      611     1     0     1     1     0     8    0
vmmpekpl   168     6885    0     6846     3     0     3     3     0     8    0
vmmpepl    168    45588    0    43553    99     0    99    99     0   357   10
vmsppl     456      643    0      611     5     0     5     5     0     8    0
rwobjpl     64    17879    0    14582    55     0    55    55     0     8    1
pdppl      4096    1295    0     1222    97    24    73    85     0     8    0
pvpl        32    16966    0        0   137     0   137   137     0   265    0
pmappl     248      643    0      611     3     0     3     3     0     8    0
extentpl    40       55    0       38     1     0     1     1     0     8    0
phpool     112      268    0       27     8     0     8     8     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffffffff8383aff0) 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
rw_assert_anylock(fffffd806bec9100) at rw_assert_anylock+0x25
uvm_map_lookup_entry(fffffd806bec9018,1db000,ffff8000310a5d20) at uvm_map_lookup_entry+0x79 vm_map_assert_anylock_ln sys/uvm/uvm_map.c:5344 [inline]
uvm_map_lookup_entry(fffffd806bec9018,1db000,ffff8000310a5d20) at uvm_map_lookup_entry+0x79 sys/uvm/uvm_map.c:1563
uvmfault_lookup(ffff8000310a5cf8,0) at uvmfault_lookup+0x133 sys/uvm/uvm_fault.c:1864
uvm_fault_check(ffff8000310a5cf8,ffff8000310a5d30,ffff8000310a5d60,0) at uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732
uvm_fault(fffffd806bec9018,1db000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:668
kpageflttrap(ffff8000310a5ea0,1db340) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff8000310a5ea0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x57
syscall(ffff8000310a62f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000310a62f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e15a51680, count: 1
ddb{0}> trace
x86_ipi_db(ffffffff8383aff0) 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
rw_assert_anylock(fffffd806bec9100) at rw_assert_anylock+0x25
uvm_map_lookup_entry(fffffd806bec9018,1db000,ffff8000310a5d20) at uvm_map_lookup_entry+0x79 vm_map_assert_anylock_ln sys/uvm/uvm_map.c:5344 [inline]
uvm_map_lookup_entry(fffffd806bec9018,1db000,ffff8000310a5d20) at uvm_map_lookup_entry+0x79 sys/uvm/uvm_map.c:1563
uvmfault_lookup(ffff8000310a5cf8,0) at uvmfault_lookup+0x133 sys/uvm/uvm_fault.c:1864
uvm_fault_check(ffff8000310a5cf8,ffff8000310a5d30,ffff8000310a5d60,0) at uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732
uvm_fault(fffffd806bec9018,1db000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:668
kpageflttrap(ffff8000310a5ea0,1db340) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff8000310a5ea0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x57
syscall(ffff8000310a62f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000310a62f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77e15a51680, count: -14
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(ffffffff83371bf8) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(100000e6c,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334
sys_semop(ffff8000398c74a8,ffff80003a8d6c60,ffff80003a8d6bb0) at sys_semop+0x234 sys/kern/sysv_sem.c:564
syscall(ffff80003a8d6c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a8d6c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5051e733670, count: 9
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83371bf8) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(100000e6c,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334
sys_semop(ffff8000398c74a8,ffff80003a8d6c60,ffff80003a8d6bb0) at sys_semop+0x234 sys/kern/sysv_sem.c:564
syscall(ffff80003a8d6c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a8d6c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5051e733670, count: -6

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/23 03:03 openbsd 459198ba8b84 d34966d1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/22 21:21 openbsd 459198ba8b84 d34966d1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/22 16:30 openbsd 45a541306066 d34966d1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/13 06:46 openbsd eb8501b6f1f9 2afad16e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/12 19:00 openbsd 705b70e045d6 b27c2402 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/12 18:15 openbsd 705b70e045d6 b27c2402 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/12 15:08 openbsd 705b70e045d6 b27c2402 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/09 21:30 openbsd d2e1daa0feb7 ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/09 19:53 openbsd d2e1daa0feb7 ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/09 18:39 openbsd d2e1daa0feb7 ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/09 18:25 openbsd d2e1daa0feb7 ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
2025/02/07 03:02 openbsd 3dd691bf9970 53657d1b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: allocation too large, type = NUM, size = ADDR
* Struck through repros no longer work on HEAD.