assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c

Status: upstream: reported on 2026/04/30 00:50
Reported-by: syzbot+65bf0a9d1cc48d8c3760@syzkaller.appspotmail.com
First crash: 163d, last: 5h16m

Sample crash report:
panic: kernel diagnostic assertion "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_sig.c", line 1603
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*112181  43849      0  0x40009000  0xc080000    0  syz-executor
 323269  60597      0     0x14000      0x200    1  reaper
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834ed6f3) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8352ffa5,ffffffff83494b34,643,ffffffff83476ae8) at __assert+0x29 sys/kern/subr_prf.c:-1
process_stop(ffff80003c3e0500,8000000,1) at process_stop+0x3fe
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 x86_atomic_setbits_u32 sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:-1 [inline]
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 sys/kern/kern_sig.c:1446
userret(ffff80003338c2c8) at userret+0x203 sys/kern/kern_sig.c:2208
syscall(ffff80002a2a8cb0) at syscall+0x9ce mi_syscall_return sys/sys/syscall_mi.h:203 [inline]
syscall(ffff80002a2a8cb0) at syscall+0x9ce sys/arch/amd64/amd64/trap.c:812
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x669b3467210, count: 7
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: kernel diagnostic assertion "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_sig.c", line 1603
ddb{0}> show kasan
No such command
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834ed6f3) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8352ffa5,ffffffff83494b34,643,ffffffff83476ae8) at __assert+0x29 sys/kern/subr_prf.c:-1
process_stop(ffff80003c3e0500,8000000,1) at process_stop+0x3fe
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 x86_atomic_setbits_u32 sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:-1 [inline]
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 sys/kern/kern_sig.c:1446
userret(ffff80003338c2c8) at userret+0x203 sys/kern/kern_sig.c:2208
syscall(ffff80002a2a8cb0) at syscall+0x9ce mi_syscall_return sys/sys/syscall_mi.h:203 [inline]
syscall(ffff80002a2a8cb0) at syscall+0x9ce sys/arch/amd64/amd64/trap.c:812
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x669b3467210, count: -8
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002a2a8990
rbx               0xffffffff8393ce0f    cpu_info_full_primary+0x2e0f
rdx                                0
rcx               0xffff80003338c2c8
rax               0xffffffff8393bff0    cpu_info_full_primary+0x1ff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xf7df53168b3a74a2
r11               0x6326fd691050ad6b
r12               0xffffffff8393cc10    cpu_info_full_primary+0x2c10
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff82140f95    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a2a8980
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=112181 pid=43849 tcnt=5 stat=onproc
    flags process=40009000<SINGLEEXIT,STOPPING,STOPPED> proc=c080000<SUSPSINGLE,THREAD,SUSPSIG>
    runpri=50, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff80003338d788 scnt=4 ecnt=1
    forw=0xffffffffffffffff, list=0xffff800045fef4d8,0xffff80003338c570
    process=0xffff80003c3e0500 user=0xffff80002a2a3000, vmspace=0xfffffc806ccd67c0
    estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
   PID     TID   PPID   UID  S      PRLAGS     PFLAGS WAIT      COMMAND
 53222  299419   1567     0  3           0       0x80 nanoslp   syz-executor
 53222  254108   1567     0  3           0  0x4000080 sbwait    syz-executor
 53222  189416   1567     0  3           0  0x4000080 fsleep    syz-executor
  6874  377175  91966 60929  3        0x10       0x80 nanoslp   syz-executor
  6874  247218  91966 60929  3        0x10  0x4000080 kqread    syz-executor
  6874  281706  91966 60929  3        0x10  0x4000080 fsleep    syz-executor
 43283  129265      1     0  3         0x2       0x80 nanoslp   getty
 56198  298085  36347     0  3         0x2       0x80 piperd    syz-executor
 64163  353835  36347     0  3         0x2       0x80 piperd    syz-executor
 79344  351664  36347     0  3         0x2       0x80 piperd    syz-executor
 17706  297539  36347     0  3         0x2       0x80 piperd    syz-executor
*43849  112181  47543     0  7  0x40009000  0xc080000           syz-executor
 43849  492907  47543     0  2  0x40009000  0xc080000           syz-executor
 43849  275797  47543     0  2  0x40009000  0xc080000           syz-executor
 43849  386568  47543     0  2  0x40009000  0xc080000           syz-executor
 43849  177290  47543     0  3  0x40009000  0x4002000 suspend   syz-executor
 91966  289642  36347     0  3         0x2       0x80 nanoslp   syz-executor
 58096   21005      0     0  3     0x14000      0x280 nfsidl    nfsio
 84501  180116      0     0  3     0x14000      0x280 nfsidl    nfsio
 85949  398831      0     0  3     0x14000      0x280 nfsidl    nfsio
 94109  230965      0     0  3     0x14000      0x280 nfsidl    nfsio
 98944   56535      0     0  3     0x14000      0x280 nfsidl    nfsio
 86287  280488      0     0  3     0x14000      0x280 nfsidl    nfsio
 96546  298878      0     0  3     0x14000      0x280 nfsidl    nfsio
 71290   78853      0     0  3     0x14000      0x280 nfsidl    nfsio
 81036  299224      0     0  3     0x14000      0x280 nfsidl    nfsio
 97889  254867      0     0  3     0x14000      0x280 nfsidl    nfsio
 74220  328812      0     0  3     0x14000      0x280 nfsidl    nfsio
 79801  148355      0     0  3     0x14000      0x280 nfsidl    nfsio
 22717  338043      0     0  3     0x14000      0x280 nfsidl    nfsio
  9030  120977      0     0  3     0x14000      0x280 nfsidl    nfsio
 49254   76666      0     0  3     0x14000      0x280 nfsidl    nfsio
 88205  315079      0     0  3     0x14000      0x280 nfsidl    nfsio
 53265  497197      0     0  3     0x14000      0x280 nfsidl    nfsio
 14566  159600      0     0  3     0x14000      0x280 nfsidl    nfsio
 83672  431347      0     0  3     0x14000      0x280 nfsidl    nfsio
 90236  433240      0     0  3     0x14000      0x280 nfsidl    nfsio
  1567  436161  36347     0  3         0x2       0x80 nanoslp   syz-executor
 47543   36683  36347     0  3         0x2       0x80 wait      syz-executor
 36347  473364      1     0  3         0x2       0x80 nanoslp   syz-executor
 22504  412078  46594    74  3   0x1100012       0x80 bpf       pflogd
 46594  315255      1     0  3           0       0x80 sbwait    pflogd
 14329  426764      1    73  3   0x1100010       0x80 kqread    syslogd
 31764  500959      0     0  3     0x14000      0x200 bored     smr
 39770   98238      0     0  3     0x14000      0x200 pgzero    zerothread
 62786  471457      0     0  3     0x14000      0x200 aiodoned  aiodoned
 11615    7184      0     0  3     0x14000      0x200 syncer    update
 64192  417002      0     0  3     0x14000      0x200 cleaner   cleaner
 60597  323269      0     0  7     0x14000      0x200           reaper
  7373  122438      0     0  3     0x14000      0x200 pgdaemon  pagedaemon
 21987  253965      0     0  3     0x14000      0x200 bored     viomb
 92375   95634      0     0  3     0x14000 0x40000200 acpi0     acpi0
 18764  423850      0     0  3     0x14000 0x40000200           idle1
 14664  436008      0     0  3     0x14000      0x200 bored     softnet1
  8107  464628      0     0  3     0x14000      0x200 bored     softnet0
 61255  394285      0     0  3     0x14000      0x200 bored     systqmp
 99138  477722      0     0  3     0x14000      0x200 bored     systq
 87513   93392      0     0  3     0x14000      0x200 tmoslp    softclockmp
 57737  298708      0     0  3     0x14000 0x40000200 tmoslp    softclock
 30539  156869      0     0  3     0x14000 0x40000200           idle0
     1    1965      0     0  3         0x2       0x80 wait      init
     0       0     -1     0  3     0x10000      0x200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &sched_lock r = 0 (0xffffffff83b12138)
#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  cursig+0x4ee sys/kern/kern_sig.c:1445
#3  userret+0x203 sys/kern/kern_sig.c:2208
#4  syscall+0x9ce mi_syscall_return sys/sys/syscall_mi.h:203 [inline]
#4  syscall+0x9ce sys/arch/amd64/amd64/trap.c:812
#5  Xsyscall+0x128
exclusive mutex &pr->ps_mtx r = 0 (0xffff80003c3e0618)
#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  cursig+0x4c2 sys/kern/kern_sig.c:1441
#3  userret+0x203 sys/kern/kern_sig.c:2208
#4  syscall+0x9ce mi_syscall_return sys/sys/syscall_mi.h:203 [inline]
#4  syscall+0x9ce sys/arch/amd64/amd64/trap.c:812
#5  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11046  12086K   12351K 166960K     12382        0
            pcb    17     12K      12K 166960K        55        0
         rtable   227      9K       9K 166960K       986        0
             pf    34     17K      24K 166960K       173        0
         ifaddr    40      7K       8K 166960K       133        0
        ifgroup    51      2K       2K 166960K       142        0
         sysctl     3      1K       9K 166960K         9        0
       counters    68     36K      37K 166960K       114        0
       ioctlops     0      0K       4K 166960K      1543        0
            iov     1     16K      16K 166960K         9        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1330     84K      84K 166960K      1783        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    16      1K       1K 166960K        16        0
        dirhash    12      2K       2K 166960K        12        0
           ACPI  1734    201K     291K 166960K     11964        0
      file desc    12     41K      93K 166960K       657        0
          sigio     0      0K       0K 166960K         2        0
           proc    32     50K     180K 166960K      1145        0
        subproc    63      3K       4K 166960K       252        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        12        0
       in_multi    92      6K       7K 166960K       326        0
    ether_multi     1      0K       0K 166960K         1        0
            mrt     0      0K       0K 166960K        19        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    55    254K     254K 166960K        55        0
           exec     0      0K       1K 166960K       662        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   141     99K     187K 166960K      6879        0
       UVM aobj     7      2K       2K 166960K         8        0
     pinsyscall    20     40K     104K 166960K      2367        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        11        0
            NDP    17      0K       1K 166960K        91        0
           temp    34   9122K    9186K 166960K      8979        0
         kqueue     4      6K      26K 166960K        66        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       28    0        0     1     0     1     1     0     8    0
rtpcb      120       90    0       90     1     0     1     1     0     8    1
rtentry    176      333    0      234     6     0     6     6     0     8    0
unpcb      144      133    0      122     1     0     1     1     0     8    0
syncache   336       11    0       11     2     1     1     1     0     8    1
tcpcb      736       46    0       43     1     0     1     1     0     8    0
arp        136       59    0       43     1     0     1     1     0     8    0
inpcb      328      300    0      297     2     0     2     2     0     8    1
nd6        152       84    0       63     1     0     1     1     0     8    0
pkpcb       40        2    0        2     1     0     1     1     0     8    1
kcovpl      48       28    0       21     1     0     1     1     0     8    0
ppxss      1192       1    0        1     1     0     1     1     0     8    1
pfstscr     40        3    0        2     1     0     1     1     0     8    0
pffrag     232        6    0        0     1     0     1     1     0   482    0
pffrnode    88        6    0        0     1     0     1     1     0     8    0
pffrent     40        8    0        2     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
pfanchor   1288      28    0       24     2     0     2     2     0     8    1
pfstitem    24       46    0        4     1     0     1     1     0     8    0
pfstkey    128       48    0        6     2     0     2     2     0     8    0
pfstate    448       46    0        5     5     0     5     5     0     8    0
pfrule     1360      29    0       27     2     0     2     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256     1344    0      930    29     0    29    29     0     8    0
art_table   40     1345    0      930     5     0     5     5     0     8    0
art_node    32      333    0      243     1     0     1     1     0     8    0
sysvmsgpl   40        1    0        1     1     0     1     1     0     8    1
semapl      72       14    0        0     1     0     1     1     0     8    0
shmpl      120        5    0        1     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1983    0      478    95     0    95    95     0     8    0
ffsino     296     1983    0      478   116     0   116   116     0     8    0
nchpl      144     2513    0      740    66     0    66    66     0     8    0
vnodes     216     2431    0        0   136     0   136   136     0     8    0
namei      1024   10915    0    10915     2     1     1     2     0     8    1
percpumem   16       73    0       23     1     0     1     1     0     8    0
kstatmem   264       71    0       46     2     0     2     2     0     8    0
scsiplug    72        2    0        2     1     1     0     1     0     8    0
scxspl     216     8555    0     8555    11     3     8     8     1     8    8
plimitpl   152       65    0       54     1     0     1     1     0     8    0
sigapl     424      964    0      911     8     0     8     8     0     8    0
knotepl    120      316    0        0    10     0    10    10     0     8    0
kqueuepl   224       86    0       83     1     0     1     1     0     8    0
pipepl     344      202    0      175     3     0     3     3     0     8    0
fdescpl    528      928    0      911     3     0     3     3     0     8    0
filepl     160     3341    0     3161    11     0    11    11     0     8    0
lockfpl    104       80    0       80     1     0     1     1     0     8    1
lockfspl    48       37    0       37     1     0     1     1     0     8    1
sessionpl  144       54    0       50     1     0     1     1     0     8    0
pgrppl      48       99    0       87     1     0     1     1     0     8    0
ucredpl    104      279    0      271     1     0     1     1     0     8    0
zombiepl   144      912    0      911     1     0     1     1     0     8    0
processpl  1240     964    0      911     6     0     6     6     0     8    0
procpl     664     1347    0     1285     8     0     8     8     0     8    0
sockpl     752      537    0      523     5     0     5     5     0     8    2
mcl64k     65536      4    0        0     1     0     1     1     0     8    0
mcl16k     16384      4    0        0     1     0     1     1     0     8    0
mcl12k     12288      2    0        0     1     0     1     1     0     8    0
mcl9k128   9344       2    0        0     1     0     1     1     0     8    0
mcl8k      8192       7    0        0     1     0     1     1     0     8    0
mcl4k      4096     112    0        0    14     0    14    14     0     8    0
mcl2k      2048      25    0        0     4     0     4     4     0     8    0
mextrefs    64       25    0        0     1     0     1     1     0     8    0
mtagpl      96        1    0        0     1     0     1     1     0     8    0
mbufpl     256      207    0        0    13     0    13    13     0     8    0
bufpl      272     2797    0      112   179     0   179   179     0     8    0
anonpl      32     7553    0        0    61     0    61    61     0   247    0
amapchunkpl 152   19374    0    19048    27     2    25    25     0   158    5
amappl16   200     2171    0     2160    15    10     5    14     0     8    3
amappl15   192        3    0        3     1     1     0     1     0     8    0
amappl14   184      676    0      676     1     0     1     1     0     8    1
amappl13   176      170    0      166     1     0     1     1     0     8    0
amappl12   168     1268    0     1252     2     0     2     2     0     8    0
amappl11   160        6    0        5     1     0     1     1     0     8    0
amappl10   152       63    0       57     1     0     1     1     0     8    0
amappl9    144      277    0      277     1     1     0     1     0     8    0
amappl8    136      213    0      212     1     0     1     1     0     8    0
amappl7    128      209    0      203     1     0     1     1     0     8    0
amappl6    120      352    0      352     1     0     1     1     0     8    1
amappl5    112       99    0       94     1     0     1     1     0     8    0
amappl4    104      363    0      353     1     0     1     1     0     8    0
amappl3     96     3511    0     3453     4     1     3     3     0     8    0
amappl2     88      981    0      948     2     0     2     2     0     8    0
amappl1     80    14058    0    13868    15     1    14    14     0     8    4
amappl      88     5761    0     5650     5     0     5     5     0    92    0
uvmvnodes   80      105    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      254    0      254     2     2     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        7    0        1     1     0     1     1     0     8    0
uaddrrnd    24      928    0      911     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      928    0      911     1     0     1     1     0     8    0
vmmpekpl   168     9060    0     8999     4     0     4     4     0     8    1
vmmpepl    168    67891    0    67047    97     5    92    97     0   357   31
vmsppl     488      927    0      911     5     0     5     5     0     8    0
rwobjpl     80    21703    0    21176    28     2    26    28     0     8    2
pdppl      4096    1864    0     1822   116    46    70    86     0     8   28
pvpl        32    14094    0        0   114     0   114   114     0   265    0
pmappl     256      927    0      911     3     0     3     3     0     8    0
extentpl    40       46    0       28     1     0     1     1     0     8    0
phpool     112      475    0       50    13     0    13    13     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834ed6f3) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8352ffa5,ffffffff83494b34,643,ffffffff83476ae8) at __assert+0x29 sys/kern/subr_prf.c:-1
process_stop(ffff80003c3e0500,8000000,1) at process_stop+0x3fe
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 x86_atomic_setbits_u32 sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:-1 [inline]
cursig(ffff80003338c2c8,ffff80002a2a8b78,0) at cursig+0x509 sys/kern/kern_sig.c:1446
userret(ffff80003338c2c8) at userret+0x203 sys/kern/kern_sig.c:2208
syscall(ffff80002a2a8cb0) at syscall+0x9ce mi_syscall_return sys/sys/syscall_mi.h:203 [inline]
syscall(ffff80002a2a8cb0) at syscall+0x9ce sys/arch/amd64/amd64/trap.c:812
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x669b3467210, count: -8
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffff80002998dff0) 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
_kernel_lock_held() at _kernel_lock_held+0x15 sys/kern/kern_lock.c:104
msleep_nsec(ffffffff8394a208,ffffffff8394a1d0,4,ffffffff834ffc7a,ffffffffffffffff) at msleep_nsec+0x1a0 sys/kern/kern_synch.c:202
reaper(ffff800045ffd9f8) at reaper+0x15b sys/kern/kern_exit.c:479
end trace frame: 0x0, count: 9
ddb{1}> trace
x86_ipi_db(ffff80002998dff0) 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
_kernel_lock_held() at _kernel_lock_held+0x15 sys/kern/kern_lock.c:104
msleep_nsec(ffffffff8394a208,ffffffff8394a1d0,4,ffffffff834ffc7a,ffffffffffffffff) at msleep_nsec+0x1a0 sys/kern/kern_synch.c:202
reaper(ffff800045ffd9f8) at reaper+0x15b sys/kern/kern_exit.c:479
end trace frame: 0x0, count: -6
ddb{1}> 

Crashes (46):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/10 03:51 openbsd 22a54d88cfed 4f92358f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/10/08 17:33 openbsd e8af851f340b 9d4697fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/10/03 22:29 openbsd 27f877102cce 57bbd979 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/27 18:35 openbsd 95b535d85a6b a3c7249d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/26 06:18 openbsd f1a759f91a27 a3c7249d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/26 00:23 openbsd f1a759f91a27 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/23 23:18 openbsd 0598464a2e5e 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/21 05:37 openbsd d42776463e37 853b104b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/19 00:32 openbsd c10aa57bf0a6 853b104b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/15 20:58 openbsd c369316d89b7 f41e228a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/13 23:06 openbsd 241f93d47af5 70a60e12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/10 23:48 openbsd 4385dd3101c1 1fe56c0a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/07 15:56 openbsd f09199d296d1 5e4626f5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/09/02 19:51 openbsd 91392fcbf029 74e93e68 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/30 22:45 openbsd a0938fbae2a0 2f52988a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/24 21:10 openbsd 38355159c0bf b55bd4c3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/19 18:25 openbsd b71086f46363 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/16 20:08 openbsd ae3832a13713 746171ee .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/14 20:23 openbsd 7d89a3e82316 6f9b3e89 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/06 03:28 openbsd c0dbfd168cb4 cd5b1963 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/08/01 18:27 openbsd 59ec3ab4d107 e611ffe1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/19 16:35 openbsd 2fc221d2874b 72524a66 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/18 21:40 openbsd bc321d44d2f5 72524a66 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/16 02:36 openbsd 5b4a77182f82 27a8bd60 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/12 18:32 openbsd ef6c254bcedc d78ea535 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/12 02:04 openbsd bdda9179e659 d78ea535 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/08 14:08 openbsd 9e912c786798 489d0741 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/07/05 00:24 openbsd f9c9bf9f9903 fcece630 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/25 15:26 openbsd 452256cb16b9 432fd51a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/20 17:40 openbsd b7d02bf002df 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/19 04:34 openbsd e607e174aea6 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/18 11:08 openbsd 135881df8fe2 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/17 06:19 openbsd 2f229140c828 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/16 08:21 openbsd 3894b14b3da6 50bb0618 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/14 00:13 openbsd 4abe9ebbcc38 4f06757f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/13 19:08 openbsd 4abe9ebbcc38 4f06757f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/13 14:10 openbsd 4abe9ebbcc38 4f06757f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/10 18:18 openbsd 01c8afc2223d f79bac11 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/08 22:53 openbsd 867bf89e0da6 656e94c6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/06 00:34 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/04 13:19 openbsd e098f50ba37b 197909be .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/06/01 03:32 openbsd ca362689551c cb4e87ff .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/05/23 09:42 openbsd dbd5cf8c5e8a c69befb3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/05/21 13:06 openbsd 19a7e1efad25 747d777d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/05/16 10:19 openbsd 25d4b1a85733 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
2026/04/30 00:49 openbsd 167506022718 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "ISSET(p->p_flag, P_SUSPSIG | P_SUSPSINGLE) == NUM" failed in kern_sig.c
* Struck through repros no longer work on HEAD.