Hello, syzbot found the following issue on: HEAD commit: 3db61221f4e8 Merge tag 'io_uring-6.0-2022-09-23' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16953c4c880000 kernel config: https://syzkaller.appspot.com/x/.config?x=c221af36f6d1d811 dashboard link: https://syzkaller.appspot.com/bug?extid=84b7b87a6430a152c1f4 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, 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+84b7b87a6430a152c1f4@xxxxxxxxxxxxxxxxxxxxxxxxx loop3: detected capacity change from 0 to 8189 ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: writeback_single_inode+0x8e7/0x8f0 CPU: 0 PID: 6581 Comm: syz-executor.3 Not tainted 6.0.0-rc6-syzkaller-00291-g3db61221f4e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 panic+0x2d6/0x715 kernel/panic.c:274 __stack_chk_fail+0x12/0x20 kernel/panic.c:706 writeback_single_inode+0x8e7/0x8f0 write_inode_now+0x1cd/0x260 fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput+0x3e6/0x760 fs/inode.c:1774 ntfs_fill_super+0x3af3/0x42a0 fs/ntfs3/super.c:1190 get_tree_bdev+0x400/0x620 fs/super.c:1323 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0bebe8bb9a 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:00007f0beadfdf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f0bebe8bb9a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0beadfdfe0 RBP: 00007f0beadfe020 R08: 00007f0beadfe020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f0beadfdfe0 R15: 000000002007aa80 </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.
