Hello, syzbot found the following issue on: HEAD commit: 4e46774408d9 Merge tag 'for-6.12-rc4-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10fb2ebb980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fc6f8ce8c5369043 dashboard link: https://syzkaller.appspot.com/bug?extid=4b5c704012892c4d22fd 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=11f730e7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177eae40580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-4e467744.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/058a92aaf61a/vmlinux-4e467744.xz kernel image: https://storage.googleapis.com/syzbot-assets/0b79757fbe5e/bzImage-4e467744.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4b5c704012892c4d22fd@xxxxxxxxxxxxxxxxxxxxxxxxx R10: 000000000401d031 R11: 0000000000000246 R12: 0000000000000004 R13: 00007f33ed7673fc R14: 00007f33ed737334 R15: 00007f33ed7673e4 </TASK> ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:2085! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5095 Comm: syz-executor380 Not tainted 6.12.0-rc4-syzkaller-00085-g4e46774408d9 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:zap_huge_pmd+0x953/0xc40 mm/huge_memory.c:2085 Code: fe ff ff f3 0f 1e fa e8 ab 16 92 ff 48 89 df 4c 89 fe e8 50 ba 08 00 e9 2c f8 ff ff e8 96 16 92 ff 90 0f 0b e8 8e 16 92 ff 90 <0f> 0b e8 86 16 92 ff 4c 89 ef 48 c7 c6 20 65 17 8c e8 37 a2 dd ff RSP: 0018:ffffc9000aeef1e0 EFLAGS: 00010293 RAX: ffffffff8202c152 RBX: 000000000000001e RCX: ffff888000b70000 RDX: 0000000000000000 RSI: 000000000000001f RDI: 000000000000001a RBP: 000000000000001f R08: ffffffff8202bca6 R09: 1ffff11008416106 R10: dffffc0000000000 R11: ffffed1008416107 R12: 0000000000000000 R13: ffffc9000aeef750 R14: 0000000020e00000 R15: fffffffffffffa00 FS: 000055555711b380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e22940b470 CR3: 000000003daee000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> zap_pmd_range mm/memory.c:1719 [inline] zap_pud_range mm/memory.c:1768 [inline] zap_p4d_range mm/memory.c:1789 [inline] unmap_page_range+0x762/0x40e0 mm/memory.c:1810 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1900 unmap_region+0x214/0x380 mm/vma.c:354 mmap_region+0x23fa/0x2a30 mm/mmap.c:1583 do_mmap+0x8f0/0x1000 mm/mmap.c:496 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f33ed6f19e9 Code: 48 83 c4 28 c3 e8 c7 1b 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:00007ffc77c44b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007ffc77c44be0 RCX: 00007f33ed6f19e9 RDX: 0000000002000007 RSI: 0000000000c00000 RDI: 0000000020400000 RBP: 0000000000000001 R08: 00000000ffffffff R09: 0000000000000000 R10: 000000000401d031 R11: 0000000000000246 R12: 0000000000000004 R13: 00007f33ed7673fc R14: 00007f33ed737334 R15: 00007f33ed7673e4 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:zap_huge_pmd+0x953/0xc40 mm/huge_memory.c:2085 Code: fe ff ff f3 0f 1e fa e8 ab 16 92 ff 48 89 df 4c 89 fe e8 50 ba 08 00 e9 2c f8 ff ff e8 96 16 92 ff 90 0f 0b e8 8e 16 92 ff 90 <0f> 0b e8 86 16 92 ff 4c 89 ef 48 c7 c6 20 65 17 8c e8 37 a2 dd ff RSP: 0018:ffffc9000aeef1e0 EFLAGS: 00010293 RAX: ffffffff8202c152 RBX: 000000000000001e RCX: ffff888000b70000 RDX: 0000000000000000 RSI: 000000000000001f RDI: 000000000000001a RBP: 000000000000001f R08: ffffffff8202bca6 R09: 1ffff11008416106 R10: dffffc0000000000 R11: ffffed1008416107 R12: 0000000000000000 R13: ffffc9000aeef750 R14: 0000000020e00000 R15: fffffffffffffa00 FS: 000055555711b380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e22940b470 CR3: 000000003daee000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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
