Hello, syzbot found the following issue on: HEAD commit: 480e035fc4c7 Merge tag 'drm-next-2024-03-13' of https://gi.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=12d3bd3d180000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e5b814e91787669 dashboard link: https://syzkaller.appspot.com/bug?extid=b07c8ac8eee3d4d8440f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=105ab0de180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=110d6139180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5f73b6ef963d/disk-480e035f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/46c949396aad/vmlinux-480e035f.xz kernel image: https://storage.googleapis.com/syzbot-assets/e3b4d0f5a5f8/bzImage-480e035f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b07c8ac8eee3d4d8440f@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5067 at mm/hugetlb.c:6947 hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947 Modules linked in: CPU: 1 PID: 5067 Comm: syz-executor335 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947 Code: e6 09 48 b8 00 fe ff ff ff ff ff 07 49 21 c6 49 09 de 48 b8 00 00 00 00 00 00 00 c0 49 09 c6 48 ff 44 24 78 e9 97 00 00 00 90 <0f> 0b 90 48 83 bc 24 90 00 00 00 00 4c 8b 6c 24 28 4c 8b 74 24 08 RSP: 0018:ffffc9000397f580 EFLAGS: 00010212 RAX: 0000000000000000 RBX: f7ffffffffffffff RCX: ffff888078080000 RDX: ffff888078080000 RSI: fffffffffffffa00 RDI: f7ffffffffffffff RBP: ffffc9000397f830 R08: ffffffff81f379ee R09: 1ffffd40000dfa8e R10: dffffc0000000000 R11: fffff940000dfa8f R12: dffffc0000000000 R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88801bf51810 FS: 000055556d838380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 000000002c45c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> change_protection+0x361/0x35f0 mm/mprotect.c:537 mprotect_fixup+0x883/0xb80 mm/mprotect.c:653 do_mprotect_pkey+0x903/0xe20 mm/mprotect.c:809 __do_sys_mprotect mm/mprotect.c:830 [inline] __se_sys_mprotect mm/mprotect.c:827 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:827 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fedc2b27369 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff43f189c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007fff43f18b98 RCX: 00007fedc2b27369 RDX: 0000000000000006 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007fedc2b9a610 R08: 00007fff43f18b98 R09: 00007fff43f18b98 R10: 00007fff43f18b98 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff43f18b88 R14: 0000000000000001 R15: 0000000000000001 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
