[EXFAT] trying to mount...
------------[ cut here ]------------
[EXFAT] No bh, device seems wrong or to be ejected.
WARNING: CPU: 0 PID: 11578 at drivers/staging/exfat/exfat_blkdev.c:63 exfat_bdev_read+0x1ef/0x250 drivers/staging/exfat/exfat_blkdev.c:62
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11578 Comm: syz-executor.2 Not tainted 5.6.0-rc3-syzkaller #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+0x209/0x210 kernel/panic.c:582
 report_bug+0x1b6/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0xcf/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:exfat_bdev_read+0x1ef/0x250 drivers/staging/exfat/exfat_blkdev.c:62
Code: 2a 52 fb b8 fb ff ff ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 cf 2a 52 fb 48 c7 c7 f2 c9 02 89 31 c0 e8 81 f0 23 fb <0f> 0b eb d5 89 d9 80 e1 07 38 c1 0f 8c 75 fe ff ff 48 89 df e8 b8
RSP: 0018:ffffc90004bc77b0 EFLAGS: 00010246
RAX: 54378630f3c17200 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e87f000 RSI: 000000000001f28c RDI: 000000000001f28d
RBP: ffffc90004bc77f0 R08: ffffffff81601324 R09: ffffed1015d44592
R10: ffffed1015d44592 R11: 0000000000000000 R12: ffff88802fb40094
R13: ffff88802fb4819c R14: ffffc90004bc7950 R15: 1ffff92000978f2a
 sector_read+0x120/0x320 drivers/staging/exfat/exfat_core.c:2496
 ffsMountVol drivers/staging/exfat/exfat_super.c:376 [inline]
 exfat_fill_super+0x1086/0x23f0 drivers/staging/exfat/exfat_super.c:3713
 mount_bdev+0x27d/0x390 fs/super.c:1417
 exfat_fs_mount+0x34/0x40 drivers/staging/exfat/exfat_super.c:3769
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:622
 vfs_get_tree+0x8b/0x2a0 fs/super.c:1547
 do_new_mount fs/namespace.c:2822 [inline]
 do_mount+0x18ee/0x25a0 fs/namespace.c:3107
 __do_sys_mount fs/namespace.c:3316 [inline]
 __se_sys_mount+0xdd/0x110 fs/namespace.c:3293
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3293
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c479
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:00007fb260857c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb2608586d4 RCX: 000000000045c479
RDX: 0000000020000240 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000074a R14: 00000000004c9d34 R15: 000000000076bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..