[syzbot] Monthly net report (Oct 2026)

[syzbot]

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, 7 new issues were detected and 6 were fixed.
In total, 58 issues are still open and 1801 have already been fixed.
There are also 34 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  1034    No    INFO: task hung in netdev_run_todo (4)
                   https://syzkaller.appspot.com/bug?extid=894cca71fa925aabfdb2
<2>  917     Yes   INFO: task hung in tun_chr_close (5)
                   https://syzkaller.appspot.com/bug?extid=b0ae8f1abf7d891e0426
<3>  644     Yes   WARNING in inet_sock_destruct (6)
                   https://syzkaller.appspot.com/bug?extid=5b3b7e51dda1be027b7a
<4>  554     Yes   INFO: task hung in nsim_destroy (4)
                   https://syzkaller.appspot.com/bug?extid=8141dcbd23a8f857798a
<5>  520     No    possible deadlock in __ipv6_dev_mc_inc
                   https://syzkaller.appspot.com/bug?extid=afbcf622635e98bf40d2
<6>  203     Yes   BUG: Bad page state in skb_pp_cow_data
                   https://syzkaller.appspot.com/bug?extid=ff145014d6b0ce64a173
<7>  45      Yes   UBSAN: array-index-out-of-bounds in llc_conn_state_process (2)
                   https://syzkaller.appspot.com/bug?extid=628f93722c08dc5aabe0
<8>  40      Yes   WARNING: suspicious RCU usage in phy_detach
                   https://syzkaller.appspot.com/bug?extid=694b49f41098a5df4fd7
<9>  29      Yes   WARNING in dev_shutdown (7)
                   https://syzkaller.appspot.com/bug?extid=c9ecf60a8adb7629821e
<10> 25      Yes   INFO: task hung in inet6_rtm_deladdr (3)
                   https://syzkaller.appspot.com/bug?extid=55141a0ffa0d17f01c71

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