linux-kernel - [syzbot] Monthly net report (Nov 2025)

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Message-ID: <691ad3c5.a70a0220.f6df1.0009.GAE@google.com>
Date: Sun, 16 Nov 2025 23:50:29 -0800
From: syzbot <syzbot+listc0722b57ae1d515c34f7@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly net report (Nov 2025)

Hello net maintainers/developers,

This is a 31-day syzbot report for the net subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/net

During the period, 8 new issues were detected and 7 were fixed.
In total, 99 issues are still open and 1640 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  20003   Yes   WARNING in xfrm6_tunnel_net_exit (4)
                   https://syzkaller.appspot.com/bug?extid=3df59a64502c71cab3d5
<2>  15678   Yes   KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
                   https://syzkaller.appspot.com/bug?extid=5fe14f2ff4ccbace9a26
<3>  14160   Yes   BUG: workqueue lockup (5)
                   https://syzkaller.appspot.com/bug?extid=f0b66b520b54883d4b9d
<4>  7864    Yes   KMSAN: uninit-value in eth_type_trans (2)
                   https://syzkaller.appspot.com/bug?extid=0901d0cc75c3d716a3a3
<5>  3393    Yes   INFO: task hung in linkwatch_event (4)
                   https://syzkaller.appspot.com/bug?extid=2ba2d70f288cf61174e4
<6>  2760    Yes   WARNING in rcu_check_gp_start_stall
                   https://syzkaller.appspot.com/bug?extid=111bc509cd9740d7e4aa
<7>  1916    Yes   KMSAN: uninit-value in bpf_prog_run_generic_xdp
                   https://syzkaller.appspot.com/bug?extid=0e6ddb1ef80986bdfe64
<8>  1894    Yes   INFO: task hung in del_device_store
                   https://syzkaller.appspot.com/bug?extid=6d10ecc8a97cc10639f9
<9>  1580    Yes   INFO: task hung in addrconf_dad_work (5)
                   https://syzkaller.appspot.com/bug?extid=82ccd564344eeaa5427d
<10> 1537    Yes   INFO: task hung in synchronize_rcu (4)
                   https://syzkaller.appspot.com/bug?extid=222aa26d0a5dbc2e84fe

---
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