loop5: detected capacity change from 0 to 264192
gfs2meta: Unknown parameter '/dev/ptmx'
BUG: unable to handle page fault for address: ffffed108419ce50
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffee067 P4D 23ffee067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14741 Comm: syz-executor.5 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__blk_mq_alloc_requests_batch block/blk-mq.c:408 [inline]
RIP: 0010:__blk_mq_alloc_requests+0x4a7/0xb00 block/blk-mq.c:457
Code: b2 fd 48 8b 44 24 10 80 38 00 0f 85 a6 04 00 00 48 8b 44 24 08 45 89 ed 48 8b b0 88 00 00 00 4a 8d 1c ee 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 6c 04 00 00 44 8b ac 24 a0 00 00 00 48 8b 03
RSP: 0018:ffffc9000a89ea90 EFLAGS: 00010216
RAX: 1ffff1108419ce50 RBX: ffff888420ce7280 RCX: ffffc90013d72000
RDX: 0000000000040000 RSI: ffff88801a3a6800 RDI: 0000000000000003
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff83c580a1 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000080d28150 R14: dffffc0000000000 R15: ffffc9000a89ec28
FS:  00007f5f2846d700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed108419ce50 CR3: 000000007a957000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 blk_mq_submit_bio+0xdac/0x1b40 block/blk-mq.c:2531
 __submit_bio+0x794/0x8e0 block/blk-core.c:873
 __submit_bio_noacct_mq block/blk-core.c:951 [inline]
 submit_bio_noacct block/blk-core.c:977 [inline]
 submit_bio_noacct+0x6c9/0x8a0 block/blk-core.c:966
 submit_bio block/blk-core.c:1038 [inline]
 submit_bio+0x1ea/0x430 block/blk-core.c:996
 mpage_bio_submit fs/mpage.c:66 [inline]
 mpage_readahead+0x589/0x750 fs/mpage.c:393
 read_pages+0x1e4/0xfa0 mm/readahead.c:129
 page_cache_ra_unbounded+0x64b/0x940 mm/readahead.c:238
 do_page_cache_ra mm/readahead.c:268 [inline]
 ondemand_readahead+0x594/0x1090 mm/readahead.c:551
 page_cache_sync_ra+0x1cb/0x200 mm/readahead.c:579
 page_cache_sync_readahead include/linux/pagemap.h:930 [inline]
 filemap_get_pages+0x2b2/0x1be0 mm/filemap.c:2548
 filemap_read+0x315/0xeb0 mm/filemap.c:2634
 generic_file_read_iter+0x3b6/0x5a0 mm/filemap.c:2784
 blkdev_read_iter+0x117/0x200 block/fops.c:583
 call_read_iter include/linux/fs.h:2156 [inline]
 io_iter_do_read fs/io_uring.c:3462 [inline]
 io_read+0x33c/0xff0 fs/io_uring.c:3519
 io_issue_sqe+0x800/0x7010 fs/io_uring.c:6628
 __io_queue_sqe fs/io_uring.c:6978 [inline]
 io_queue_sqe fs/io_uring.c:7020 [inline]
 io_submit_sqe fs/io_uring.c:7223 [inline]
 io_submit_sqes+0x1bca/0x8a20 fs/io_uring.c:7329
 __do_sys_io_uring_enter+0xf6e/0x1f50 fs/io_uring.c:10043
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5f2aef7ae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5f2846d188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f5f2b00af60 RCX: 00007f5f2aef7ae9
RDX: 0000000000000000 RSI: 00000000000000b7 RDI: 0000000000000007
RBP: 00007f5f2af51f25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffee88e9d9f R14: 00007f5f2846d300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: ffffed108419ce50
---[ end trace db6ef9d19bbf52c5 ]---
RIP: 0010:__blk_mq_alloc_requests_batch block/blk-mq.c:408 [inline]
RIP: 0010:__blk_mq_alloc_requests+0x4a7/0xb00 block/blk-mq.c:457
Code: b2 fd 48 8b 44 24 10 80 38 00 0f 85 a6 04 00 00 48 8b 44 24 08 45 89 ed 48 8b b0 88 00 00 00 4a 8d 1c ee 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 6c 04 00 00 44 8b ac 24 a0 00 00 00 48 8b 03
RSP: 0018:ffffc9000a89ea90 EFLAGS: 00010216
RAX: 1ffff1108419ce50 RBX: ffff888420ce7280 RCX: ffffc90013d72000
RDX: 0000000000040000 RSI: ffff88801a3a6800 RDI: 0000000000000003
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff83c580a1 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000080d28150 R14: dffffc0000000000 R15: ffffc9000a89ec28
FS:  00007f5f2846d700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed108419ce50 CR3: 000000007a957000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	b2 fd                	mov    $0xfd,%dl
   2:	48 8b 44 24 10       	mov    0x10(%rsp),%rax
   7:	80 38 00             	cmpb   $0x0,(%rax)
   a:	0f 85 a6 04 00 00    	jne    0x4b6
  10:	48 8b 44 24 08       	mov    0x8(%rsp),%rax
  15:	45 89 ed             	mov    %r13d,%r13d
  18:	48 8b b0 88 00 00 00 	mov    0x88(%rax),%rsi
  1f:	4a 8d 1c ee          	lea    (%rsi,%r13,8),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1) <-- trapping instruction
  2f:	0f 85 6c 04 00 00    	jne    0x4a1
  35:	44 8b ac 24 a0 00 00 	mov    0xa0(%rsp),%r13d
  3c:	00
  3d:	48 8b 03             	mov    (%rbx),%rax