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: 341 Comm: udevd Not tainted 5.4.233-syzkaller-00043-g0108362f3305 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
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 d3 bf 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 2a 57 ed ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881dd77f3d8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f37f5e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881dd77f5f0 R08: ffffffff81a495f9 R09: fffff94000f93fc9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffea0007c9fe40 R14: 000000000000000e R15: dffffc0000000000
FS:  00007f4b0553c840(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000cb4000 CR3: 00000001dd708000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_mpage_readpage+0x12d5/0x1950 fs/mpage.c:338
 mpage_readpages+0x36e/0x500 fs/mpage.c:440
 read_pages+0x119/0x400 mm/readahead.c:126
 __do_page_cache_readahead+0x448/0x4f0 mm/readahead.c:212
 force_page_cache_readahead mm/readahead.c:243 [inline]
 page_cache_sync_readahead+0x306/0x380 mm/readahead.c:522
 generic_file_buffered_read mm/filemap.c:2070 [inline]
 generic_file_read_iter+0x5db/0x2100 mm/filemap.c:2343
 blkdev_read_iter+0x12a/0x180 fs/block_dev.c:2043
 call_read_iter include/linux/fs.h:1975 [inline]
 new_sync_read fs/read_write.c:414 [inline]
 __vfs_read+0x5cd/0x730 fs/read_write.c:427
 vfs_read+0x148/0x360 fs/read_write.c:461
 ksys_read+0x199/0x2c0 fs/read_write.c:587
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace 8a1ebc671fce6aa0 ]---
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 d3 bf 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 2a 57 ed ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881dd77f3d8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f37f5e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881dd77f5f0 R08: ffffffff81a495f9 R09: fffff94000f93fc9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffea0007c9fe40 R14: 000000000000000e R15: dffffc0000000000
FS:  00007f4b0553c840(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000cb4000 CR3: 00000001dd708000 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 d3 bf ff       	callq  0xffbfd3e2
  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 2a 57 ed ff       	callq  0xffed5762
  38:	bd d0 04 00 00       	mov    $0x4d0,%ebp
  3d:	48                   	rex.W
  3e:	03                   	.byte 0x3