kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 312 Comm: udevd Not tainted 5.4.147-syzkaller-00040-g2138e7367558 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bdev_read_page+0x37/0x190 fs/block_dev.c:707
Code: 10 49 89 d5 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 c8 e2 c0 ff 49 8d 9c 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 1a ff ed ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881ac35f7b8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881df3f0fc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881ac35f960 R08: ffffffff81a1166e R09: fffff94000d355f9
R10: fffff94000d355f9 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea00069aafc0 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007f9c3d10d840(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556dbab38 CR3: 00000001ac253000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_mpage_readpage+0x1367/0x1a80 fs/mpage.c:338
 mpage_readpages+0x32a/0x460 fs/mpage.c:440
 read_pages+0xc1/0x3a0 mm/readahead.c:126
 __do_page_cache_readahead+0x3de/0x460 mm/readahead.c:212
 force_page_cache_readahead mm/readahead.c:243 [inline]
 page_cache_sync_readahead+0x339/0x3b0 mm/readahead.c:522
 generic_file_buffered_read mm/filemap.c:2070 [inline]
 generic_file_read_iter+0x5a1/0x1fd0 mm/filemap.c:2343
 blkdev_read_iter+0x12a/0x180 fs/block_dev.c:2043
 call_read_iter include/linux/fs.h:1970 [inline]
 new_sync_read fs/read_write.c:414 [inline]
 __vfs_read+0x503/0x690 fs/read_write.c:427
 vfs_read+0x161/0x370 fs/read_write.c:461
 ksys_read+0x13f/0x240 fs/read_write.c:587
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f9c3d2648fe
Code: c0 e9 e6 fe ff ff 50 48 8d 3d 0e c7 09 00 e8 c9 cf 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffd05985908 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000041f0000 RCX: 00007f9c3d2648fe
RDX: 0000000000000040 RSI: 000055b9d2624018 RDI: 0000000000000009
RBP: 0000000000000040 R08: 000055b9d2623ff0 R09: 00007f9c3d334a60
R10: 0000000000080000 R11: 0000000000000246 R12: 000055b9d2623ff0
R13: 000055b9d2624008 R14: 000055b9d2623770 R15: 000055b9d2623720
Modules linked in:
---[ end trace bc681acea644fd88 ]---
RIP: 0010:bdev_read_page+0x37/0x190 fs/block_dev.c:707
Code: 10 49 89 d5 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 c8 e2 c0 ff 49 8d 9c 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 1a ff ed ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881ac35f7b8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881df3f0fc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881ac35f960 R08: ffffffff81a1166e R09: fffff94000d355f9
R10: fffff94000d355f9 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea00069aafc0 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007f9c3d10d840(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556dbab38 CR3: 00000001ac253000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	49 89 d5             	mov    %rdx,%r13
   3:	48 89 74 24 08       	mov    %rsi,0x8(%rsp)
   8:	49 89 fc             	mov    %rdi,%r12
   b:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  12:	fc ff df
  15:	e8 c8 e2 c0 ff       	callq  0xffc0e2e2
  1a:	49 8d 9c 24 80 00 00 	lea    0x80(%r12),%rbx
  21:	00
  22:	48 89 d8             	mov    %rbx,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 1a ff ed ff       	callq  0xffedff52
  38:	bd d0 04 00 00       	mov    $0x4d0,%ebp
  3d:	48                   	rex.W
  3e:	03                   	.byte 0x3