[EXFAT] trying to mount...
------------[ cut here ]------------
[EXFAT] No bh, device seems wrong or to be ejected.
WARNING: CPU: 0 PID: 8191 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: 8191 Comm: syz-executor144 Not tainted 5.4.0-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+0x20e/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+0xd7/0x440 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: 0a 75 fb b8 fb ff ff ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9f 0a 75 fb 48 c7 c7 4e 08 da 88 31 c0 e8 e1 23 47 fb <0f> 0b eb d5 89 d9 80 e1 07 38 c1 0f 8c 75 fe ff ff 48 89 df e8 88
RSP: 0018:ffff8880934877b0 EFLAGS: 00010246
RAX: 9a744eb0cacc2500 RBX: 0000000000000000 RCX: ffff888097658440
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff8880934877f0 R08: ffffffff815fa274 R09: ffffed1015d465d8
R10: ffffed1015d465d8 R11: 0000000000000000 R12: ffff88808efa0094
R13: ffff88808efa81a4 R14: ffff888093487950 R15: 1ffff11012690f2a
 sector_read+0x120/0x320 drivers/staging/exfat/exfat_core.c:2537
 ffsMountVol drivers/staging/exfat/exfat_super.c:376 [inline]
 exfat_fill_super+0x107e/0x23f0 drivers/staging/exfat/exfat_super.c:3716
 mount_bdev+0x27c/0x390 fs/super.c:1415
 exfat_fs_mount+0x34/0x40 drivers/staging/exfat/exfat_super.c:3772
 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:2822 [inline]
 do_mount+0x16bb/0x24f0 fs/namespace.c:3142
 ksys_mount+0xcc/0x100 fs/namespace.c:3351
 __do_sys_mount fs/namespace.c:3365 [inline]
 __se_sys_mount fs/namespace.c:3362 [inline]
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3362
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440199
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffcbe12a9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440199
RDX: 0000000020000300 RSI: 00000000200002c0 RDI: 0000000020000280
RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000400000 R11: 0000000000000246 R12: 0000000000401a20
R13: 0000000000401ab0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..