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[35.233.145.57]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-ac496bbcdb2sm452803a12.69.2025.01.23.16.11.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Jan 2025 16:11:27 -0800 (PST) Date: Fri, 24 Jan 2025 00:11:24 +0000 From: Carlos Llamas To: syzbot Cc: arve@android.com, brauner@kernel.org, gregkh@linuxfoundation.org, joel@joelfernandes.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, maco@android.com, sfr@canb.auug.org.au, surenb@google.com, syzkaller-bugs@googlegroups.com, tkjos@android.com Subject: Re: [syzbot] [kernel?] linux-next test error: KASAN: slab-use-after-free Write in binder_add_device Message-ID: References: <6792a5db.050a0220.3ab881.0002.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6792a5db.050a0220.3ab881.0002.GAE@google.com> On Thu, Jan 23, 2025 at 12:26:03PM -0800, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but the build/boot failed: > > 0][ T52] ieee80211_unregister_hw+0x5d/0x2c0 > [ 72.827744][ T52] mac80211_hwsim_del_radio+0x2c4/0x4c0 > [ 72.827761][ T52] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 > [ 72.827777][ T52] hwsim_exit_net+0x5c1/0x670 > [ 72.827790][ T52] ? __pfx_hwsim_exit_net+0x10/0x10 > [ 72.827802][ T52] ? __ip_vs_dev_cleanup_batch+0x239/0x260 > [ 72.827818][ T52] cleanup_net+0x812/0xd60 > [ 72.827831][ T52] ? __pfx_cleanup_net+0x10/0x10 > [ 72.827847][ T52] ? process_scheduled_works+0x976/0x1840 > [ 72.827861][ T52] process_scheduled_works+0xa66/0x1840 > [ 72.827882][ T52] ? __pfx_process_scheduled_works+0x10/0x10 > [ 72.827898][ T52] ? assign_work+0x364/0x3d0 > [ 72.827913][ T52] worker_thread+0x870/0xd30 > [ 72.827931][ T52] ? __kthread_parkme+0x169/0x1d0 > [ 72.827946][ T52] ? __pfx_worker_thread+0x10/0x10 > [ 72.827960][ T52] kthread+0x7a9/0x920 > [ 72.827975][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.827991][ T52] ? __pfx_worker_thread+0x10/0x10 > [ 72.828004][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.828019][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.828035][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.828057][ T52] ? _raw_spin_unlock_irq+0x23/0x50 > [ 72.828073][ T52] ? lockdep_hardirqs_on+0x99/0x150 > [ 72.828083][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.828099][ T52] ret_from_fork+0x4b/0x80 > [ 72.828115][ T52] ? __pfx_kthread+0x10/0x10 > [ 72.828130][ T52] ret_from_fork_asm+0x1a/0x30 > [ 72.828147][ T52] Huh? it sounds like linux-next is broken right now. This is some unrelated lockdep issue. Let me retry with char-misc tree instead.