Re: [syzbot] WARNING: kmalloc bug in xdp_umem_create (2)
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From: syzbot <hidden>
Date: 2022-02-10 06:08:14
Also in:
bpf, linux-mm, lkml
syzbot has bisected this issue to:
commit 7661809d493b426e979f39ab512e3adf41fbcc69
Author: Linus Torvalds [off-list ref]
Date: Wed Jul 14 16:45:49 2021 +0000
mm: don't allow oversized kvmalloc() calls
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13bc74c2700000
start commit: f4bc5bbb5fef Merge tag 'nfsd-5.17-2' of git://git.kernel.o..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=107c74c2700000
console output: https://syzkaller.appspot.com/x/log.txt?x=17bc74c2700000
kernel config: https://syzkaller.appspot.com/x/.config?x=5707221760c00a20
dashboard link: https://syzkaller.appspot.com/bug?extid=11421fbbff99b989670e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e514a4700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15fcdf8a700000
Reported-by: syzbot+11421fbbff99b989670e@syzkaller.appspotmail.com
Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection