Hello, syzbot found the following issue on: HEAD commit: 6ab608fe852b Merge tag 'for-6.3-rc4-tag' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=102ad495c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=e626f76ad59b1c14 dashboard link: https://syzkaller.appspot.com/bug?extid=4c1f1aff5637977d5ba9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4c1f1aff5637977d5ba9@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __kmem_cache_alloc_node+0x3a7/0x3f0 mm/slab.c:3543 CPU: 1 PID: 5830 Comm: syz-executor.3 Not tainted 6.3.0-rc4-syzkaller-00243-g6ab608fe852b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 panic+0x688/0x730 kernel/panic.c:340 __stack_chk_fail+0x19/0x20 kernel/panic.c:759 __kmem_cache_alloc_node+0x3a7/0x3f0 mm/slab.c:3543 __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc+0x4e/0x190 mm/slab_common.c:980 kmalloc include/linux/slab.h:584 [inline] mi_init+0x90/0x100 fs/ntfs3/record.c:105 ntfs_read_mft fs/ntfs3/inode.c:53 [inline] ntfs_iget5+0x3ff/0x3310 fs/ntfs3/inode.c:518 ntfs_fill_super+0x3138/0x3ab0 fs/ntfs3/super.c:1244 get_tree_bdev+0x444/0x760 fs/super.c:1303 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3042 [inline] path_mount+0x1342/0x1e40 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f92a728d62a 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:00007f92a8085f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f762 RCX: 00007f92a728d62a RDX: 0000000020000000 RSI: 000000002001f740 RDI: 00007f92a8085fe0 RBP: 00007f92a8086020 R08: 00007f92a8086020 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000202 R12: 0000000020000000 R13: 000000002001f740 R14: 00007f92a8085fe0 R15: 0000000020000040 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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.