general protection fault, probably for non-canonical address 0xdffffc0020000000: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000100000000-0x0000000100000007] CPU: 0 PID: 10074 Comm: syz-executor241 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:xas_destroy lib/xarray.c:273 [inline] RIP: 0010:xas_nomem+0x7e/0x1c0 lib/xarray.c:300 Code: e8 27 46 bd fd 4c 8b 33 4d 85 f6 75 12 e8 ea d2 77 fd e9 27 01 00 00 e8 e0 d2 77 fd 4d 89 ee 49 8d 7e 08 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 f6 45 bd fd 4d 8b 6e 08 49 83 c6 18 4c 89 RSP: 0000:ffffc90003bbf8e8 EFLAGS: 00010207 RAX: 0000000020000000 RBX: ffffc90003bbf9c0 RCX: ffff88801ffd9dc0 RDX: 0000000000000000 RSI: 0000000000000cc0 RDI: 0000000100000007 RBP: 0000000000000cc0 R08: dffffc0000000000 R09: fffffbfff1ff3440 R10: fffffbfff1ff3440 R11: 1ffffffff1ff343f R12: dffffc0000000000 R13: 1ffff92000777f37 R14: 00000000ffffffff R15: 1ffff92000777f38 FS: 0000555578b31380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4fe7467c50 CR3: 00000000798ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __add_to_page_cache_locked+0x8c5/0xf60 mm/filemap.c:938 add_to_page_cache_lru+0x150/0x4a0 mm/filemap.c:984 do_read_cache_page+0x1f9/0x1030 mm/filemap.c:3460 read_mapping_page include/linux/pagemap.h:515 [inline] ntfs_map_page+0x24/0x390 fs/ntfs/aops.h:75 ntfs_fill_super+0x3679/0x3c10 fs/ntfs3/super.c:1205 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f50650e13ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 3e 07 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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:00007fff497092d8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff497092f0 RCX: 00007f50650e13ca RDX: 000000002001f700 RSI: 000000002001f740 RDI: 00007fff497092f0 RBP: 0000000000000004 R08: 00007fff49709330 R09: 000000000001f6c2 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 00007fff49709330 R14: 0000000000000003 R15: 0000000000200000 Modules linked in: ---[ end trace bcefe5e31828c606 ]--- RIP: 0010:xas_destroy lib/xarray.c:273 [inline] RIP: 0010:xas_nomem+0x7e/0x1c0 lib/xarray.c:300 Code: e8 27 46 bd fd 4c 8b 33 4d 85 f6 75 12 e8 ea d2 77 fd e9 27 01 00 00 e8 e0 d2 77 fd 4d 89 ee 49 8d 7e 08 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 f6 45 bd fd 4d 8b 6e 08 49 83 c6 18 4c 89 RSP: 0000:ffffc90003bbf8e8 EFLAGS: 00010207 RAX: 0000000020000000 RBX: ffffc90003bbf9c0 RCX: ffff88801ffd9dc0 RDX: 0000000000000000 RSI: 0000000000000cc0 RDI: 0000000100000007 RBP: 0000000000000cc0 R08: dffffc0000000000 R09: fffffbfff1ff3440 R10: fffffbfff1ff3440 R11: 1ffffffff1ff343f R12: dffffc0000000000 R13: 1ffff92000777f37 R14: 00000000ffffffff R15: 1ffff92000777f38 FS: 0000555578b31380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffbefc8e000 CR3: 00000000798ac000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 27 46 bd fd call 0xfdbd462c 5: 4c 8b 33 mov (%rbx),%r14 8: 4d 85 f6 test %r14,%r14 b: 75 12 jne 0x1f d: e8 ea d2 77 fd call 0xfd77d2fc 12: e9 27 01 00 00 jmp 0x13e 17: e8 e0 d2 77 fd call 0xfd77d2fc 1c: 4d 89 ee mov %r13,%r14 1f: 49 8d 7e 08 lea 0x8(%r14),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 05 je 0x36 31: e8 f6 45 bd fd call 0xfdbd462c 36: 4d 8b 6e 08 mov 0x8(%r14),%r13 3a: 49 83 c6 18 add $0x18,%r14 3e: 4c rex.WR 3f: 89 .byte 0x89