R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f4e9f300fe0 R15: 0000000020013b00
exFAT-fs (loop0): failed to get the root dentry
------------[ cut here ]------------
kernel BUG at fs/inode.c:1672!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16368 Comm: syz-executor.0 Not tainted 5.10.106-syzkaller-00514-g5287773dba0d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:iput+0x7d1/0x7e0 fs/inode.c:1672
Code: f1 ff e9 f0 fb ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c cb fe ff ff 4c 89 ff e8 d9 33 f1 ff e9 be fe ff ff e8 5f 32 b7 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41
RSP: 0018:ffffc9000320f9f0 EFLAGS: 00010246
RAX: ffffffff81b5bc21 RBX: 0000000000000040 RCX: 0000000000040000
RDX: ffffc90002671000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000320fa50 R08: ffffffff81b5b4b1 R09: ffffed103ee2a5d8
R10: ffffed103ee2a5d8 R11: 0000000000000000 R12: ffff88811a2940d0
R13: dffffc0000000000 R14: ffff88811a2940d0 R15: 00000000fffffff4
FS:  00007f4e9f301700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe430a62090 CR3: 000000010d266000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exfat_fill_super+0x1fe1/0x2a20 fs/exfat/super.c:699
 get_tree_bdev+0x41d/0x640 fs/super.c:1344
 exfat_get_tree+0x1c/0x20 fs/exfat/super.c:717
 vfs_get_tree+0x89/0x270 fs/super.c:1549
 do_new_mount fs/namespace.c:2899 [inline]
 path_mount+0x1975/0x2ab0 fs/namespace.c:3229
 do_mount fs/namespace.c:3242 [inline]
 __do_sys_mount fs/namespace.c:3450 [inline]
 __se_sys_mount+0x2f7/0x3b0 fs/namespace.c:3427
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f4ea018c57a
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:00007f4e9f300f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f4ea018c57a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4e9f300fe0
RBP: 00007f4e9f301020 R08: 00007f4e9f301020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f4e9f300fe0 R15: 0000000020013b00
Modules linked in:
---[ end trace 204b4323b1228c99 ]---
RIP: 0010:iput+0x7d1/0x7e0 fs/inode.c:1672
Code: f1 ff e9 f0 fb ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c cb fe ff ff 4c 89 ff e8 d9 33 f1 ff e9 be fe ff ff e8 5f 32 b7 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41
RSP: 0018:ffffc9000320f9f0 EFLAGS: 00010246
RAX: ffffffff81b5bc21 RBX: 0000000000000040 RCX: 0000000000040000
RDX: ffffc90002671000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000320fa50 R08: ffffffff81b5b4b1 R09: ffffed103ee2a5d8
R10: ffffed103ee2a5d8 R11: 0000000000000000 R12: ffff88811a2940d0
R13: dffffc0000000000 R14: ffff88811a2940d0 R15: 00000000fffffff4
FS:  00007f4e9f301700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe430a62090 CR3: 000000010d266000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400