On Tue, Dec 19, 2017 at 10:03 AM, Dmitry Vyukov <[email protected]> wrote: > > On Tue, Dec 19, 2017 at 10:01 AM, Greg KH <[email protected]> wrote: >> >> On Mon, Dec 18, 2017 at 08:57:01AM -0800, syzbot wrote: >> > Hello, >> > >> > syzkaller hit the following crash on >> > 6084b576dca2e898f5c101baef151f7bfdbb606d >> > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master >> > compiler: gcc (GCC) 7.1.1 20170620 >> > .config is attached >> > Raw console output is attached. >> > >> > Unfortunately, I don't have any reproducer for this bug yet. >> > >> > >> > netlink: 9 bytes leftover after parsing attributes in process >> > `syz-executor3'. >> > sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing >> > data in; >> > program syz-executor0 not setting count and/or reply_len properly >> > sg_write: data in/out 262364/161 bytes for SCSI command 0xff-- guessing >> > data >> > in; >> > program syz-executor0 not setting count and/or reply_len properly >> > WARNING: CPU: 1 PID: 22282 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x60/0x80 >> > fs/sysfs/dir.c:30 >> > Kernel panic - not syncing: panic_on_warn set ... >> >> Looks like a networking issue, it tried to create two sysfs directories >> with the same name, which isn't a sysfs bug :)
Now as plain text: +net/core/dev.c maintainers Let's keep the footer as well, so that people know how to handle this report: --- This bug is generated by a dumb bot. It may contain errors. See https://goo.gl/tpsmEJ for details. Direct all questions to [email protected]. Please credit me with: Reported-by: syzbot <[email protected]> syzbot will keep track of this bug report. Once a fix for this bug is merged into any tree, reply to this email with: #syz fix: exact-commit-title To mark this as a duplicate of another syzbot report, please reply with: #syz dup: exact-subject-of-another-report If it's a one-off invalid bug report, please reply with: #syz invalid Note: if the crash happens again, it will cause creation of a new bug report. Note: all commands must start from beginning of the line in the email body.

