linux-kernel - Re: [syzbot] [kernel?] kernel BUG in binder_alloc_deferred

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Message-ID: <675b93f7.050a0220.599f4.00d6.GAE@google.com>
Date: Thu, 12 Dec 2024 17:55:03 -0800
From: syzbot <syzbot+dee8aa54cb2f5a150f9e@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, arve@...roid.com, brauner@...nel.org, 
	cmllamas@...gle.com, gregkh@...uxfoundation.org, hdanton@...a.com, 
	jannh@...gle.com, joel@...lfernandes.org, liam.howlett@...cle.com, 
	linux-kernel@...r.kernel.org, lorenzo.stoakes@...cle.com, maco@...roid.com, 
	surenb@...gle.com, syzkaller-bugs@...glegroups.com, tkjos@...roid.com, 
	vbabka@...e.cz
Subject: Re: [syzbot] [kernel?] kernel BUG in binder_alloc_deferred_release (2)

syzbot suspects this issue was fixed by commit:

commit 4080ef1579b2413435413988d14ac8c68e4d42c8
Author: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Date:   Tue Oct 29 18:11:45 2024 +0000

    mm: unconditionally close VMAs on error

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1329cd44580000
start commit:   c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=a34ca8ca33c0e535
dashboard link: https://syzkaller.appspot.com/bug?extid=dee8aa54cb2f5a150f9e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1484165f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=132b2ebb980000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm: unconditionally close VMAs on error

For information about bisection process see: https://goo.gl/tpsmEJ#bisection