[EXFAT] trying to mount...
------------[ cut here ]------------
[EXFAT] No bh, device seems wrong or to be ejected.
WARNING: CPU: 0 PID: 22198 at drivers/staging/exfat/exfat_blkdev.c:63 exfat_bdev_read+0x1c5/0x220 drivers/staging/exfat/exfat_blkdev.c:62
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 22198 Comm: syz-executor.1 Not tainted 5.6.0-rc4-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+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 __warn+0x209/0x210 kernel/panic.c:582
 report_bug+0x1ac/0x2d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:exfat_bdev_read+0x1c5/0x220 drivers/staging/exfat/exfat_blkdev.c:62
Code: b2 68 fb b8 fb ff ff ff 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 69 b2 68 fb 48 c7 c7 82 e5 e2 88 31 c0 e8 eb 87 3b fb <0f> 0b eb d5 89 d9 80 e1 07 38 c1 0f 8c 92 fe ff ff 48 89 df e8 d2
RSP: 0018:ffffc90008507850 EFLAGS: 00010246
RAX: cfc567743f5cd500 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90006111000 RSI: 000000000001a63a RDI: 000000000001a63b
RBP: dffffc0000000000 R08: ffffffff815e16e6 R09: ffffed1015d06618
R10: ffffed1015d06618 R11: 0000000000000000 R12: 1ffff920010a0f3c
R13: ffffc900085079e0 R14: ffff888037760094 R15: ffff88803776819c
 sector_read+0x118/0x310 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+0x232/0x340 fs/super.c:1417
 legacy_get_tree+0xea/0x180 fs/fs_context.c:622
 vfs_get_tree+0x88/0x270 fs/super.c:1547
 do_new_mount fs/namespace.c:2822 [inline]
 do_mount+0x17d5/0x2440 fs/namespace.c:3107
 __do_sys_mount fs/namespace.c:3316 [inline]
 __se_sys_mount+0xd3/0x100 fs/namespace.c:3293
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45eefa
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 4d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 2a 8c fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f1ed6cdaa68 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1ed6cdb6d4 RCX: 000000000045eefa
RDX: 00007f1ed6cdaae0 RSI: 0000000020000140 RDI: 00007f1ed6cdab00
RBP: 000000000076bfc0 R08: 00007f1ed6cdab40 R09: 00007f1ed6cdaae0
R10: 0000000000000000 R11: 0000000000000206 R12: 00000000ffffffff
R13: 0000000000000bd8 R14: 00000000004cdbb6 R15: 000000000076bfcc
Kernel Offset: disabled
Rebooting in 86400 seconds..