linux-kernel - Re: [syzbot] [mm?] INFO: rcu detected stall in purge_vmap

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Message-ID: <6964d0ae.050a0220.eaf7.009f.GAE@google.com>
Date: Mon, 12 Jan 2026 02:45:02 -0800
From: syzbot <syzbot+d8d4c31d40f868eaea30@...kaller.appspotmail.com>
To: kapoorarnav43@...il.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in purge_vmap_node

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
The next patch would create the file mm/kasan/shadow.c,
which already exists!  Applying it anyway.
checking file mm/kasan/shadow.c
patch: **** unexpected end of file in patch



Tested on:

commit:         0f61b186 Linux 6.19-rc5
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=a11e0f726bfb6765
dashboard link: https://syzkaller.appspot.com/bug?extid=d8d4c31d40f868eaea30
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=100aa844580000