syzbot has found a reproducer for the following issue on: HEAD commit: c3e0e1e23c70 Merge tag 'irq_urgent_for_v6.0' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17ab519c880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5 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 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=157c2000880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105224b8880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e7f1f925f94e/disk-c3e0e1e2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/830dabeedf0d/vmlinux-c3e0e1e2.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+84b7b87a6430a152c1f4@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: detected capacity change from 0 to 8226 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: writeback_single_inode+0x8e7/0x8f0 CPU: 0 PID: 10213 Comm: syz-executor262 Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 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: 0033:0x7f5a7dd5549a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 98 03 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:00007ffedfc06378 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5a7dd5549a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffedfc06390 RBP: 00007ffedfc06390 R08: 00007ffedfc063d0 R09: 00005555563ee2c0 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 00007ffedfc063d0 R14: 0000000000000015 R15: 0000000020000db8 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds..
