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: 1 PID: 1066 Comm: udevd Not tainted 5.4.284-syzkaller-04988-g137306201ec6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 38 06 ba 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 fa ee e9 ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881edca73b8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f31e9f80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881edca75d0 R08: ffffffff81ab65c6 R09: fffff94000f040c1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffea0007820600 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007fb8e696bc80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe78746080 CR3: 00000001e0566000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_mpage_readpage+0x1458/0x1b20 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+0x3f0/0x460 mm/readahead.c:522
 generic_file_buffered_read mm/filemap.c:2209 [inline]
 generic_file_read_iter+0x673/0x21f0 mm/filemap.c:2482
 blkdev_read_iter+0x12a/0x180 fs/block_dev.c:2043
 call_read_iter include/linux/fs.h:1983 [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
RIP: 0033:0x7fb8e6a96b6a
Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc5844e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8e6a96b6a
RDX: 0000000000000400 RSI: 000055f312f335c8 RDI: 0000000000000009
RBP: 0000000000000400 R08: 000055f312f335a0 R09: 0000000000000008
R10: 0000000000000051 R11: 0000000000000246 R12: 000055f312f335a0
R13: 000055f312f335b8 R14: 000055f312f2b868 R15: 000055f312f2b810
Modules linked in:
---[ end trace 007c12b63a84bf0b ]---
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 38 06 ba 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 fa ee e9 ff bd d0 04 00 00 48 03
RSP: 0018:ffff8881edca73b8 EFLAGS: 00010202
RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f31e9f80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881edca75d0 R08: ffffffff81ab65c6 R09: fffff94000f040c1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffea0007820600 R14: 0000000000000014 R15: dffffc0000000000
FS:  00007fb8e696bc80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e4bd934038 CR3: 00000001e0566000 CR4: 00000000003406a0
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 38 06 ba ff       	call   0xffba0652
  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 fa ee e9 ff       	call   0xffe9ef32
  38:	bd d0 04 00 00       	mov    $0x4d0,%ebp
  3d:	48                   	rex.W
  3e:	03                   	.byte 0x3