syzbot


SYZFAIL: dup2(NUM, kInPipeFd) failed (3)

Status: upstream: reported on 2025/10/07 17:19
Reported-by: syzbot+a73ea427ebc56414cc94@syzkaller.appspotmail.com
First crash: 120d, last: 7d01h
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: dup2(NUM, kInPipeFd) failed -1 syz 4 1503d 1520d 0/3 closed as invalid on 2021/12/26 09:22
openbsd SYZFAIL: dup2(NUM, kInPipeFd) failed (2) -1 2 247d 269d 0/3 auto-obsoleted due to no activity on 2025/09/01 02:07

Sample crash report:
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
 (errno 9: Bad file descriptor)
SYZFAIL: repeatedly failed to execute the program
proc=9 req=722 state=1 status=67 (errno 4: Interrupted system call)


OpenBSD/amd64 (ci-openbsd-main-3.us-central1-b.c.syzkaller.internal) (tty00)

login: uvn_flush: obj=0xfffffd806f0ba828, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!
set $lines = 0
Password:
Login incorrect
login: show panic
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
show malloc
login: Password:

Crashes (154):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/29 05:00 openbsd 132d3f17556a b78a7341 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 22:20 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 18:29 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 16:32 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 15:04 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 11:30 openbsd 4c8dfe351ad4 a4c52dd6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 09:50 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 07:35 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 06:33 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/26 04:29 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/25 22:14 openbsd 401b985036af 55756628 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: dup2(NUM, kInPipeFd) failed
2026/01/08 22:51 openbsd b9d9e3fc96bc c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/11/20 17:36 openbsd 5aa51b7bb462 2cc4c24a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/11/20 17:31 openbsd 5aa51b7bb462 2cc4c24a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 13:46 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 12:42 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 11:34 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 09:35 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 06:26 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 05:42 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 04:26 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 03:19 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 01:39 openbsd 9abc5df53d8a fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/29 00:15 openbsd 46d840b2b363 fd2207e7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/13 08:25 openbsd 13656af3a292 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/13 00:37 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 23:03 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 18:58 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 07:38 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 05:32 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 03:23 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/12 02:15 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 21:44 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 20:13 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 18:43 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 17:33 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 15:48 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 14:30 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 10:43 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 08:49 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 04:18 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 01:49 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/11 01:02 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/10 23:20 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/10 21:30 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/10 19:30 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
2025/10/07 17:18 openbsd f079c6652b3a 8ef35d49 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: dup2(NUM, kInPipeFd) failed
* Struck through repros no longer work on HEAD.