syzbot has bisected this issue to: commit 7661809d493b426e979f39ab512e3adf41fbcc69 Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> 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=15f767b1300000 start commit: a9c9a6f741cd Merge tag 'scsi-misc' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17f767b1300000 console output: https://syzkaller.appspot.com/x/log.txt?x=13f767b1300000 kernel config: https://syzkaller.appspot.com/x/.config?x=7860a0536ececf0c dashboard link: https://syzkaller.appspot.com/bug?extid=cd43695a64bcd21b8596 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13281b33300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1077b4b9300000 Reported-by: syzbot+cd43695a64bcd21b8596@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls") For information about bisection process see: https://goo.gl/tpsmEJ#bisection