syzbot


KASAN: slab-out-of-bounds Read in bacpy
Status: upstream: reported C repro on 2019/01/07 13:31
Reported-by: syzbot+660883c56e2fa65d4497@syzkaller.appspotmail.com
First crash: 695d, last: 168d

Cause bisection: introduced by (bisect log) :
commit c470abd4fde40ea6a0846a2beab642a578c0b8cd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Feb 19 22:34:00 2017 +0000

  Linux 4.10


Fix bisection: the fix commit could be any of (bisect log):
  6b643a07a7e4 x86/entry, ubsan, objtool: Whitelist __ubsan_handle_*()
  8e8bb06d199a x86/entry, bug: Comment the instrumentation_begin() usage for WARN()
  14d3b376b6c3 x86/entry, cpumask: Provide non-instrumented variant of cpu_is_offline()
  33aea07f30c2 compiler_attributes.h: Support no_sanitize_undefined check with GCC 4
  5144f8a8dfd7 compiler_types.h: Add __no_sanitize_{address,undefined} to noinstr
  acf7b0bf7dcf kasan: Fix required compiler version
  734d099ba644 objtool: Don't consider vmlinux a C-file
  7b861a53e46b kasan: Bump required compiler version
  5ddbc4082e10 x86, kcsan: Add __no_kcsan to noinstr
  e3a9e681adb7 x86/entry: Fixup bad_iret vs noinstr
  c7aadc09321d x86/entry: Increase entry_stack size to a full page
  e79302ae8c8c kcsan: Remove __no_kcsan_or_inline
  145a773aef83 x86/entry: Fix #UD vs WARN more
  e82587336695 x86, kcsan: Remove __no_kcsan_or_inline usage
  2c92d787cc9f Merge branch 'linus' into x86/entry, to resolve conflicts
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: slab-out-of-bounds Read in bacpy C done 3 119d 580d 1/1 fixed on 2020/09/09 05:22
Patch testing requests:
Created Duration User Patch Repo Result
2019/03/18 20:02 18m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git bluetooth OK

Sample crash report:

Crashes (21):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/01/01 21:03 upstream 738d2902 25a0186e .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2020/01/01 21:01 upstream 738d2902 25a0186e .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2019/05/02 03:00 upstream 459e3a21 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/05/02 02:54 upstream 459e3a21 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce 2019/05/02 02:53 upstream 459e3a21 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2019/05/02 02:52 upstream 459e3a21 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce 2019/01/07 10:00 upstream 574823bf ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2019/01/07 09:58 upstream 574823bf ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2019/01/07 09:57 upstream 574823bf ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/01/07 09:26 upstream 574823bf ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-386 2020/01/01 21:36 upstream 738d2902 25a0186e .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-386 2019/05/02 02:54 upstream 459e3a21 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-386 2019/01/07 10:00 upstream 574823bf ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/01/08 06:28 linux-next 26467385 6738e0b3 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2019/05/02 02:53 linux-next bf2c8035 7516d9fa .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2019/01/07 09:57 linux-next a85b6b4f ee332608 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce 2019/12/18 10:44 upstream 2187f215 f2fe0772 .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/11/01 08:02 upstream e472c64a a41ca8fa .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2019/08/20 21:25 upstream 5f97cbe2 cfc9868f .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2019/03/07 16:51 upstream f90d6448 8c085c5e .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/01/07 09:03 upstream 574823bf ee332608 .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org