[v6.6] SYZFAIL: read failed

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syzbot

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Jun 24, 2025, 5:49:31 PM6/24/25
to syzkaller...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 6282921b6825 Linux 6.6.94
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17f3370c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=96da6b2210cda427
dashboard link: https://syzkaller.appspot.com/bug?extid=28a4bb0415ef9a127aba
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bb8094930023/disk-6282921b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6b695542f7a7/vmlinux-6282921b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f899d5f4fdd2/bzImage-6282921b.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+28a4bb...@syzkaller.appspotmail.com

SYZFAIL: read failed
SYZFAIL: ioctl(HCIDEVUP) failed
(errno 4: Interrupted system call)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
(errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=1 req=53 state=3 status=67 (errno 9: Bad file descriptor)


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syzbot

unread,
Oct 2, 2025, 5:49:18 PM10/2/25
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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