Re: [syzbot] [bpf?] general protection fault in bpf_check (2)

From: syzbot
Date: Thu May 30 2024 - 23:41:15 EST


syzbot suspects this issue was fixed by commit:

commit 122fdbd2a030a95128737fc77e47df15a8f170c3
Author: Puranjay Mohan <puranjay12@xxxxxxxxx>
Date: Fri Mar 22 15:35:18 2024 +0000

bpf: verifier: reject addr_space_cast insn without arena

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e17d3c980000
start commit: 4c2a26fc80bc bpf-next: Avoid goto in regs_refine_cond_op()
git tree: bpf-next
kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440
dashboard link: https://syzkaller.appspot.com/bug?extid=ba82760c63ba37799f70
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14e6bbb9180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12941291180000

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

#syz fix: bpf: verifier: reject addr_space_cast insn without arena

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