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Message-ID: <20190816041741.GB12185@sol.localdomain>
Date: Thu, 15 Aug 2019 21:17:41 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: netdev@...r.kernel.org, bpf@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>
Cc: Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>,
Yonghong Song <yhs@...com>, syzkaller-bugs@...glegroups.com
Subject: Reminder: 8 active syzbot reports in "net/bpf" subsystem
[This email was generated by a script. Let me know if you have any suggestions
to make it better, or if you want it re-generated with the latest status.]
Of the distinct crashes that syzbot has seen in the last week, I've manually
marked 8 of them as possibly being bugs in the "net/bpf" subsystem. I've listed
these bug reports below.
Of these 8 reports, 1 was bisected to a commit from the following person:
Alexei Starovoitov <ast@...nel.org>
I've manually checked that this bisection result looks plausible.
If you believe a bug report is no longer valid, please close it by sending a
'#syz fix', '#syz dup', or '#syz invalid' command in reply to the original
thread, as explained at https://goo.gl/tpsmEJ#status
If you believe I misattributed a bug report to the "net/bpf" subsystem, please
let me know and (if possible) forward it to the correct place.
Note: in total, I've actually assigned 42 open syzbot reports to this subsystem.
But to help focus people's efforts, I've only listed the 8 that have
(re-)occurred in the last week. Let me know if you want the full list.
Here are the bug reports:
--------------------------------------------------------------------------------
Title: WARNING in bpf_jit_free
Last occurred: 0 days ago
Reported: 395 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=d04f9c2ec11ab2678f7427795ff5170cb9eb2220
Original thread: https://lore.kernel.org/lkml/000000000000e92d1805711f5552@google.com/T/#u
This bug has a C reproducer.
syzbot has bisected this bug, but I think the bisection result is incorrect.
The original thread for this bug received 5 replies; the last was 65 days ago.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+2ff1e7cb738fd3c41113@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/000000000000e92d1805711f5552@google.com
--------------------------------------------------------------------------------
Title: WARNING: kernel stack frame pointer has bad value (2)
Last occurred: 1 day ago
Reported: 395 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=02a32f98a4e3b5a2ed6929aabdd28dd1618b9c03
Original thread: https://lore.kernel.org/lkml/0000000000000956640571197f98@google.com/T/#u
This bug has a C reproducer.
The original thread for this bug received 1 reply, 395 days ago.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+903cdd6bce9a6eb832a4@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/0000000000000956640571197f98@google.com
--------------------------------------------------------------------------------
Title: BUG: unable to handle kernel paging request in bpf_prog_kallsyms_add
Last occurred: 0 days ago
Reported: 339 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=97f89d84d528e4f5150dcfbdeb97347bc8471e96
Original thread: https://lore.kernel.org/lkml/0000000000009417ef0575802d44@google.com/T/#u
This bug has a syzkaller reproducer only.
The original thread for this bug received 2 replies; the last was 164 days ago.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+c827a78260579449ad39@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/0000000000009417ef0575802d44@google.com
--------------------------------------------------------------------------------
Title: WARNING in bpf_prog_kallsyms_find
Last occurred: 0 days ago
Reported: 100 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=40b0c218e639f1d882b86abff2549cfe11c5101e
Original thread: https://lore.kernel.org/lkml/000000000000a8fa360588580820@google.com/T/#u
This bug has a C reproducer.
No one replied to the original thread for this bug.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+89d1ce6e80218a6192d8@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/000000000000a8fa360588580820@google.com
--------------------------------------------------------------------------------
Title: KASAN: use-after-free Read in sk_psock_unlink
Last occurred: 5 days ago
Reported: 293 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=d691981726208716cc7aec231fb915e27763d662
Original thread: https://lore.kernel.org/lkml/000000000000fd342e05791cc86f@google.com/T/#u
This bug has a syzkaller reproducer only.
syzbot has bisected this bug, but I think the bisection result is incorrect.
The original thread for this bug received 1 reply, 85 days ago.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+3acd9f67a6a15766686e@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/000000000000fd342e05791cc86f@google.com
--------------------------------------------------------------------------------
Title: KASAN: slab-out-of-bounds Read in do_jit
Last occurred: 0 days ago
Reported: 23 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=3aacade388873fa82bd6d2efb6aaa9ab85964020
Original thread: https://lore.kernel.org/lkml/000000000000a6ab6b058e5b899b@google.com/T/#u
This bug has a C reproducer.
This bug was bisected to:
commit 2589726d12a1b12eaaa93c7f1ea64287e383c7a5
Author: Alexei Starovoitov <ast@...nel.org>
Date: Sat Jun 15 19:12:20 2019 +0000
bpf: introduce bounded loops
No one has replied to the original thread for this bug yet.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+6b40f58c6d280fa23b40@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/000000000000a6ab6b058e5b899b@google.com
--------------------------------------------------------------------------------
Title: WARNING in is_bpf_text_address
Last occurred: 0 days ago
Reported: 55 days ago
Branches: Mainline
Dashboard link: https://syzkaller.appspot.com/bug?id=2386340f7a641010bb1e17228d1e9319592c01ba
Original thread: https://lore.kernel.org/lkml/00000000000000ac4f058bd50039@google.com/T/#u
This bug has a C reproducer.
The original thread for this bug has received 5 replies; the last was 2 hours
ago.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+bd3bba6ff3fcea7a6ec6@...kaller.appspotmail.com
If you send any email or patch for this bug, please reply to the original
thread, which had activity only 2 hours ago. For the git send-email command to
use, or tips on how to reply if the thread isn't in your mailbox, see the "Reply
instructions" at https://lore.kernel.org/r/00000000000000ac4f058bd50039@google.com
--------------------------------------------------------------------------------
Title: memory leak in sock_hash_update_common
Last occurred: 7 days ago
Reported: 85 days ago
Branches: Mainline
Dashboard link: https://syzkaller.appspot.com/bug?id=9992588b3bbe2617f62f41b1162af9fc8ea4829c
Original thread: https://lore.kernel.org/lkml/000000000000fa662405897c0774@google.com/T/#u
This bug has a syzkaller reproducer only.
No one has replied to the original thread for this bug yet.
If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+30c7a1fc662026545124@...kaller.appspotmail.com
If you send any email or patch for this bug, please consider replying to the
original thread. For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lore.kernel.org/r/000000000000fa662405897c0774@google.com
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