[syzbot] Monthly net report (Jul 2023)

From: syzbot
Date: Tue Aug 01 2023 - 08:54:05 EST


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 2 were fixed.
In total, 86 issues are still open and 1285 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 6491 Yes WARNING in dev_watchdog (2)
https://syzkaller.appspot.com/bug?extid=d55372214aff0faa1f1f
<2> 3755 Yes KMSAN: uninit-value in eth_type_trans (2)
https://syzkaller.appspot.com/bug?extid=0901d0cc75c3d716a3a3
<3> 1446 Yes KMSAN: uninit-value in __skb_checksum_complete (5)
https://syzkaller.appspot.com/bug?extid=b024befb3ca7990fea37
<4> 868 Yes possible deadlock in __dev_queue_xmit (3)
https://syzkaller.appspot.com/bug?extid=3b165dac15094065651e
<5> 846 Yes INFO: task hung in switchdev_deferred_process_work (2)
https://syzkaller.appspot.com/bug?extid=8ecc009e206a956ab317
<6> 552 Yes INFO: task hung in rtnetlink_rcv_msg
https://syzkaller.appspot.com/bug?extid=8218a8a0ff60c19b8eae
<7> 528 Yes KMSAN: uninit-value in IP6_ECN_decapsulate
https://syzkaller.appspot.com/bug?extid=bf7e6250c7ce248f3ec9
<8> 529 No KMSAN: uninit-value in __hw_addr_add_ex
https://syzkaller.appspot.com/bug?extid=cec7816c907e0923fdcc
<9> 364 Yes BUG: MAX_LOCKDEP_ENTRIES too low! (3)
https://syzkaller.appspot.com/bug?extid=b04c9ffbbd2f303d00d9
<10> 348 Yes INFO: rcu detected stall in corrupted (4)
https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e

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