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: 6838 Comm: systemd-udevd Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bdev_read_page+0x38/0x1e0 fs/block_dev.c:690
Code: 48 89 54 24 10 48 89 74 24 08 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 96 ae a6 ff 4c 8d a3 f0 00 00 00 4d 89 e5 49 c1 ed 03 <43> 80 7c 35 00 00 74 08 4c 89 e7 e8 68 85 e6 ff 48 89 1c 24 49 8b
RSP: 0018:ffffc90005377830 EFLAGS: 00010206
RAX: ffffffff81ce498a RBX: 0000000000000000 RCX: ffff8880a76d4440
RDX: 0000000000000000 RSI: 9000537799800000 RDI: 0000000000000000
RBP: ffffc900053779e0 R08: ffffffff81cf7680 R09: fffff940004fb7a9
R10: fffff940004fb7a9 R11: 0000000000000000 R12: 00000000000000f0
R13: 000000000000001e R14: dffffc0000000000 R15: ffffea00027dbd40
FS:  00007f5668ffc8c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd6e6b2e68 CR3: 0000000098ccf000 CR4: 00000000001506f0
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+0x389/0x6a0 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+0x437/0x3010 mm/filemap.c:2101
 call_read_iter include/linux/fs.h:1876 [inline]
 new_sync_read fs/read_write.c:415 [inline]
 vfs_read+0x91f/0xb40 fs/read_write.c:481
 ksys_read+0x11b/0x220 fs/read_write.c:607
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5668143210
Code: 73 01 c3 48 8b 0d 98 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d b9 c1 20 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24
RSP: 002b:00007ffd6e6b5de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055a6549e13d0 RCX: 00007f5668143210
RDX: 0000000000000400 RSI: 000055a6549e13f8 RDI: 000000000000000f
RBP: 000055a6549db180 R08: 00007f566812df68 R09: 0000000000000430
R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 000055a6549db1d0 R15: 0000000000000400
Modules linked in:
---[ end trace 3fb5b447ad578284 ]---
RIP: 0010:bdev_read_page+0x38/0x1e0 fs/block_dev.c:690
Code: 48 89 54 24 10 48 89 74 24 08 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 96 ae a6 ff 4c 8d a3 f0 00 00 00 4d 89 e5 49 c1 ed 03 <43> 80 7c 35 00 00 74 08 4c 89 e7 e8 68 85 e6 ff 48 89 1c 24 49 8b
RSP: 0018:ffffc90005377830 EFLAGS: 00010206
RAX: ffffffff81ce498a RBX: 0000000000000000 RCX: ffff8880a76d4440
RDX: 0000000000000000 RSI: 9000537799800000 RDI: 0000000000000000
RBP: ffffc900053779e0 R08: ffffffff81cf7680 R09: fffff940004fb7a9
R10: fffff940004fb7a9 R11: 0000000000000000 R12: 00000000000000f0
R13: 000000000000001e R14: dffffc0000000000 R15: ffffea00027dbd40
FS:  00007f5668ffc8c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb911137020 CR3: 0000000098ccf000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400