Re: [syzbot] KASAN: vmalloc-out-of-bounds Write in ringbuf_map_alloc

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On 2/2/22 1:11 PM, syzbot wrote:
syzbot has found a reproducer for the following issue on:

HEAD commit:    6abab1b81b65 Add linux-next specific files for 20220202
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=13f4b900700000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b8d8750556896349
dashboard link: https://syzkaller.appspot.com/bug?extid=5ad567a418794b9b5983
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1450d9f0700000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=130ef35bb00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5ad567a418794b9b5983@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/rb-vmap



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