loop0: detected capacity change from 0 to 8191 ntfs3: loop0: Mark volume as dirty due to NTFS errors general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 4094 Comm: syz-executor.0 Not tainted 5.19.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:map_buffer_to_folio fs/mpage.c:107 [inline] RIP: 0010:do_mpage_readpage+0xdaa/0x1660 fs/mpage.c:228 Code: 48 8b 68 28 48 85 ed 0f 84 08 02 00 00 48 ba 00 00 00 00 00 fc ff df 49 89 ed 45 31 ff eb 26 49 8d 7d 08 48 89 f8 48 c1 e8 03 <80> 3c 10 00 0f 85 65 05 00 00 4d 8b 6d 08 41 83 c7 01 4c 39 ed 0f RSP: 0018:ffffc90002def7e0 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880732839eb R10: ffffed100e65073d R11: 0000000000000001 R12: ffffc90002def988 R13: 0000000000000000 R14: ffffc90002def9a8 R15: 0000000000000000 FS: 00007f9ce51ef700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ce51f0000 CR3: 0000000024753000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mpage_read_folio+0x99/0x120 fs/mpage.c:378 do_read_cache_folio+0x1da/0x5b0 mm/filemap.c:3524 do_read_cache_page mm/filemap.c:3602 [inline] read_cache_page+0x48/0x1f0 mm/filemap.c:3611 read_mapping_page include/linux/pagemap.h:759 [inline] ntfs_map_page+0xf/0x500 fs/ntfs3/ntfs_fs.h:897 ntfs_fill_super+0x1f2e/0x2f90 fs/ntfs3/super.c:1142 get_tree_bdev+0x398/0x680 fs/super.c:1292 vfs_get_tree+0x7f/0x2c0 fs/super.c:1497 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x7e8/0x1a40 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x1f5/0x260 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f9ce408a63a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f9ce51eef88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f9ce408a63a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9ce51eefe0 RBP: 00007f9ce51ef020 R08: 00007f9ce51ef020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f9ce51eefe0 R15: 000000002007c8e0 Modules linked in: ---------------- Code disassembly (best guess): 0: 48 8b 68 28 mov 0x28(%rax),%rbp 4: 48 85 ed test %rbp,%rbp 7: 0f 84 08 02 00 00 je 0x215 d: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 14: fc ff df 17: 49 89 ed mov %rbp,%r13 1a: 45 31 ff xor %r15d,%r15d 1d: eb 26 jmp 0x45 1f: 49 8d 7d 08 lea 0x8(%r13),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2e: 0f 85 65 05 00 00 jne 0x599 34: 4d 8b 6d 08 mov 0x8(%r13),%r13 38: 41 83 c7 01 add $0x1,%r15d 3c: 4c 39 ed cmp %r13,%rbp 3f: 0f .byte 0xf