DragonFlyBSD Kernel Audit
DF-2626 / run.log
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=== DF-2626 RUN3 Fri Aug 28 20:16:37 UTC 2026 uname: DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC 
=== launching ONE unprivileged reader (uid 1001) on /etc/rc, dest=PROT_NONE page
=== pid=988
=== poc stdout so far: DF-2626: fd=3 dest=0x10000000 (PROT_NONE) len=4096 — calling read(), bug = never returns
   PID   UID STAT   %CPU      TIME WCHAN    UCOMM
   988  1001 R2     100.0   0:02.01 -        df2626poc
=== top snapshot #1
load averages:  0.09,  0.05,  0.02;               up 0+00:02:50        20:16:40
27 processes: 2 running, 25 sleeping
CPU states:  0.0% user,  0.0% nice, 16.8% system,  0.0% interrupt, 83.1% idle
Memory: 168M Active, 4232K Inact, 561M Wired, 56K Cache, 148M Buf, 3314M Free
Swap: 4096M Total, 4096M Free

   PID USERNAME   NICE  SIZE    RES    STATE   C   TIME   CTIME    CPU COMMAND
   988 maxx         0  4192K   708K     CPU2   2   0:03    0:03 99.85% df2626poc
   710 root         0    25M  2972K   kqread   0   0:00    0:00  0.00% sshd
    68 root         0    42M  2216K   kqread   4   0:00    0:00  0.00% hammer2
   801 root         0  6932K   932K    ttyin   4   0:00    0:00  0.00% getty
   981 root         0  4316K   672K   piperd   4   0:00    0:00  0.00% tee
   466 root         0  7268K   896K   kqread   4   0:00    0:00  0.00% syslogd
   971 root         0    19M  2268K    pause   5   0:00    0:00  0.00% csh
=== top snapshot #2 (4s later)
load averages:  0.16,  0.07,  0.02;               up 0+00:02:55        20:16:45
27 processes: 2 running, 25 sleeping
CPU states:  0.0% user,  0.0% nice, 16.6% system,  0.0% interrupt, 83.3% idle
Memory: 168M Active, 4200K Inact, 561M Wired, 56K Cache, 148M Buf, 3313M Free
Swap: 4096M Total, 4096M Free

   PID USERNAME   NICE  SIZE    RES    STATE   C   TIME   CTIME    CPU COMMAND
   988 maxx         0  4192K   708K     CPU2   2   0:08    0:08 99.85% df2626poc
   710 root         0    25M  2972K   kqread   0   0:00    0:00  0.00% sshd
   981 root         0  4316K   672K   piperd   4   0:00    0:00  0.00% tee
    68 root         0    42M  2216K   kqread   4   0:00    0:00  0.00% hammer2
   801 root         0  6932K   932K    ttyin   4   0:00    0:00  0.00% getty
   466 root         0  7268K   896K   kqread   4   0:00    0:00  0.00% syslogd
   971 root         0    19M  2268K    pause   5   0:00    0:00  0.00% csh
=== ps detail
   PID   UID STAT   %CPU      TIME WCHAN    UCOMM
   988  1001 R2     100.0   0:08.02 -        df2626poc
=== kill -9 988 attempt 1
kill(9) syscall returned 0
   PID   UID STAT   %CPU      TIME WCHAN    UCOMM
   988  1001 R2     100.0   0:11.02 -        df2626poc
>>> STILL ALIVE after kill -9 <<<
=== kill -9 attempt 2
   PID   UID STAT   %CPU      TIME WCHAN    UCOMM
   988  1001 R2     100.0   0:15.02 -        df2626poc
>>> STILL ALIVE after 2nd kill -9 <<<
=== vmstat 1s x4 (watch sys%)
--procs-- ---memory-- -------paging------ --disks-- -----faults------ ---cpu---
  r   b w   fre   flt   re   pi   po   fr  vb0  md0   int   sys   ctx us sy id
  2   0 0 3.24G   223    0    0    0  44K    0    0 1.49K    85   603  0 17 83
  2   0 0 3.24G    14    0    0    0    0    0    0 1.48K    16   598  0 17 83
  2   0 0 3.24G     0    0    0    0    0    0    0 1.49K    14   600  0 17 83
=== df2626.out final: DF-2626: fd=3 dest=0x10000000 (PROT_NONE) len=4096 — calling read(), bug = never returns
=== DF-2626 RUN3 COMPLETE Fri Aug 28 20:16:55 UTC 2026