[EXFAT] trying to mount...
------------[ cut here ]------------
[EXFAT] No bh, device seems wrong or to be ejected.
WARNING: CPU: 0 PID: 8005 at drivers/staging/exfat/exfat_blkdev.c:63 bdev_read+0x1ea/0x250 drivers/staging/exfat/exfat_blkdev.c:62
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 8005 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fb/0x318 lib/dump_stack.c:118
 panic+0x264/0x7a9 kernel/panic.c:221
 __warn+0x20e/0x210 kernel/panic.c:582
 report_bug+0x1b6/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:bdev_read+0x1ea/0x250 drivers/staging/exfat/exfat_blkdev.c:62
Code: 0d d4 fb b8 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 04 0d d4 fb 48 c7 c7 b0 cb 51 88 31 c0 e8 86 a5 a6 fb <0f> 0b eb d5 89 d9 80 e1 07 38 c1 0f 8c 7a fe ff ff 48 89 df e8 2d
RSP: 0018:ffff88805e2ff780 EFLAGS: 00010246
RAX: e7a57dbdb2123f00 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90005f35000 RSI: 00000000000377e8 RDI: 00000000000377e9
RBP: ffff88805e2ff7c0 R08: ffffffff815c9e84 R09: ffffed1015d46120
R10: ffffed1015d46120 R11: 0000000000000000 R12: ffff88805eb40094
R13: ffff88805eb48174 R14: ffff88805e2ff950 R15: 1ffff1100bc5ff2a
 sector_read+0x120/0x320 drivers/staging/exfat/exfat_core.c:3615
 ffsMountVol drivers/staging/exfat/exfat_super.c:374 [inline]
 exfat_fill_super+0x11c3/0x27a0 drivers/staging/exfat/exfat_super.c:3869
 mount_bdev+0x27c/0x390 fs/super.c:1415
 exfat_fs_mount+0x34/0x40 drivers/staging/exfat/exfat_super.c:3936
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:647
 vfs_get_tree+0x8b/0x2a0 fs/super.c:1545
 do_new_mount fs/namespace.c:2823 [inline]
 do_mount+0x16c0/0x2510 fs/namespace.c:3143
 ksys_mount+0xcc/0x100 fs/namespace.c:3352
 __do_sys_mount fs/namespace.c:3366 [inline]
 __se_sys_mount fs/namespace.c:3363 [inline]
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3363
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a219
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f587d5e1c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a219
RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000800000 R11: 0000000000000246 R12: 00007f587d5e26d4
R13: 00000000004c6d95 R14: 00000000004dc508 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..