general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]
CPU: 0 PID: 7003 Comm: systemd-udevd Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bdev_read_page+0x39/0x1d0 fs/block_dev.c:700
Code: 89 54 24 10 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 06 ec a7 ff 49 8d 9c 24 f0 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 d8 ea e6 ff 48 8b 1b 48 8d ab 20
RSP: 0018:ffffc90001cb7800 EFLAGS: 00010206
RAX: 000000000000001e RBX: 00000000000000f0 RCX: ffff8880a2c340c0
RDX: 0000000000000000 RSI: 90001cb794800000 RDI: 0000000000000000
RBP: ffffc90001cb79a8 R08: ffffffff81cdbce0 R09: fffff94000537cf9
R10: fffff94000537cf9 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90001cb79f8 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007f807174a8c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcb4b46ff8 CR3: 0000000095899000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_mpage_readpage+0x15d9/0x1d00 fs/mpage.c:302
 mpage_readahead+0x38f/0x6b0 fs/mpage.c:391
 read_pages+0xdb/0x760 mm/readahead.c:130
 page_cache_readahead_unbounded+0x817/0x9c0 mm/readahead.c:244
 __do_page_cache_readahead mm/readahead.c:273 [inline]
 force_page_cache_readahead+0x31d/0x370 mm/readahead.c:303
 generic_file_buffered_read+0x3ea/0x2570 mm/filemap.c:2033
 call_read_iter include/linux/fs.h:1901 [inline]
 new_sync_read fs/read_write.c:415 [inline]
 __vfs_read+0x52c/0x6d0 fs/read_write.c:428
 vfs_read+0x1c4/0x400 fs/read_write.c:462
 ksys_read+0x11b/0x220 fs/read_write.c:588
 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8070891210
Code: Bad RIP value.
RSP: 002b:00007ffcb4b496b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005635d30c8ae0 RCX: 00007f8070891210
RDX: 0000000000000400 RSI: 00005635d30c8b08 RDI: 000000000000000f
RBP: 00005635d30c9830 R08: 00007f807087bf68 R09: 0000000000000430
R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 00005635d30c9880 R15: 0000000000000400
Modules linked in:
---[ end trace 3e6d20ed1f36ea47 ]---
RIP: 0010:bdev_read_page+0x39/0x1d0 fs/block_dev.c:700
Code: 89 54 24 10 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 06 ec a7 ff 49 8d 9c 24 f0 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 d8 ea e6 ff 48 8b 1b 48 8d ab 20
RSP: 0018:ffffc90001cb7800 EFLAGS: 00010206
RAX: 000000000000001e RBX: 00000000000000f0 RCX: ffff8880a2c340c0
RDX: 0000000000000000 RSI: 90001cb794800000 RDI: 0000000000000000
RBP: ffffc90001cb79a8 R08: ffffffff81cdbce0 R09: fffff94000537cf9
R10: fffff94000537cf9 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90001cb79f8 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007f807174a8c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c6803a028 CR3: 0000000095899000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400