Bluetooth: hci0: command 0x0405 tx timeout
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BUG: KASAN: stack-out-of-bounds in iov_iter_revert lib/iov_iter.c:1047 [inline]
BUG: KASAN: stack-out-of-bounds in iov_iter_revert+0x90c/0x9a0 lib/iov_iter.c:996
Read of size 8 at addr ffff888051347d10 by task syz-executor.2/12028

CPU: 0 PID: 12028 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
 kasan_report mm/kasan/report.c:412 [inline]
 __asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433
 iov_iter_revert lib/iov_iter.c:1047 [inline]
 iov_iter_revert+0x90c/0x9a0 lib/iov_iter.c:996
 generic_file_read_iter+0x16fb/0x2b60 mm/filemap.c:2369
 fuse_file_read_iter+0x198/0x240 fs/fuse/file.c:944
 call_read_iter include/linux/fs.h:1815 [inline]
 new_sync_read fs/read_write.c:406 [inline]
 __vfs_read+0x518/0x750 fs/read_write.c:418
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efe62856dbc
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007efe611f80e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000020002140 RCX: 00007efe62856dbc
RDX: 000000007ffff000 RSI: 0000000020002140 RDI: 0000000000000005
RBP: 00007efe628fe161 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000020000a40
R13: 0000000000000005 R14: 00007efe611f8300 R15: 0000000000022000

The buggy address belongs to the page:
page:ffffea000144d1c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0xfff00000000000()
raw: 00fff00000000000 0000000000000000 ffffffff01440101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888051347c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888051347c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1
>ffff888051347d00: f1 f1 f1 00 00 f2 f2 00 00 00 00 00 f2 f2 f2 f2
                         ^
 ffff888051347d80: f2 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00
 ffff888051347e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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