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=10135a88880000 kernel config: https://syzkaller.appspot.com/x/.config?x=c221af36f6d1d811 dashboard link: https://syzkaller.appspot.com/bug?extid=4353c86db4e58720cd11 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1792e6e4880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1059fcdf080000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4353c86db4e58720cd11@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: detected capacity change from 0 to 264192 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: lock_release+0x7f4/0x820 CPU: 0 PID: 9489 Comm: syz-executor322 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 lock_release+0x7f4/0x820 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline] _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:389 [inline] inode_wait_for_writeback+0x242/0x2c0 fs/fs-writeback.c:1474 evict+0x277/0x620 fs/inode.c:662 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: 0033:0x7fe603d0835a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 08 01 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd6ef632a8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffd6ef63300 RCX: 00007fe603d0835a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd6ef632c0 RBP: 00007ffd6ef632c0 R08: 00007ffd6ef63300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000bc0 R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000068 </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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
