SYZFAIL: dup2(NUM, kInPipeFd) failed (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 1d7d4b26237d The counter for halfopen states should be man..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=11913670580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=50f78babe0d069a8ed75

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1918d905dc7b/disk-1d7d4b26.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/0f450dc664d3/bsd-1d7d4b26.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/df212f65173a/kernel-1d7d4b26.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+50f78b...@syzkaller.appspotmail.com

SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: repeatedly failed to execute the program
proc=9 req=5295 state=1 status=67 (errno 4: Interrupted system call)


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.