arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x4a0 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x706/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 13581 Comm: iou-wrk-13576 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: 45 a5 c3 ff 48 8d 3d 9e e2 96 0e 67 48 0f b9 3a e9 07 fd ff ff e8 2f a5 c3 ff 48 c7 c6 a0 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 13 a5 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc900217069e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900217068cc
RDX: ffff888061fa4a00 RSI: ffffffff8257aa28 RDI: ffff888061fa4ec4
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000f855c0 R14: 0000000000000000 R15: 1ffff920042e0d68
FS:  00007efdef4516c0(0000) GS:ffff8880d6675000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000058d53000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf10 mm/readahead.c:515
 do_sync_mmap_readahead mm/filemap.c:3406 [inline]
 filemap_fault+0x1900/0x2e90 mm/filemap.c:3555
 __do_fault+0x10b/0x440 mm/memory.c:5458
 do_shared_fault mm/memory.c:5957 [inline]
 do_fault+0x2db/0x1750 mm/memory.c:6031
 do_pte_missing mm/memory.c:4550 [inline]
 handle_pte_fault mm/memory.c:6411 [inline]
 __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6549
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6718
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1178/0x32a0 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 __gup_longterm_locked+0x87d/0x16f0 mm/gup.c:2476
 gup_fast_fallback+0x16dc/0x2790 mm/gup.c:3209
 pin_user_pages_fast+0xa7/0xf0 mm/gup.c:3315
 iov_iter_extract_user_pages lib/iov_iter.c:1763 [inline]
 iov_iter_extract_pages+0xa0d/0x1ef0 lib/iov_iter.c:1826
 iov_iter_extract_bvecs+0x10b/0xa60 lib/iov_iter.c:1917
 bio_iov_iter_get_pages+0x26a/0x970 block/bio.c:1266
 blkdev_iov_iter_get_pages block/fops.c:49 [inline]
 __blkdev_direct_IO block/fops.c:219 [inline]
 blkdev_direct_IO+0x1302/0x1fb0 block/fops.c:436
 blkdev_read_iter+0x225/0x4f0 block/fops.c:839
 io_iter_do_read io_uring/rw.c:835 [inline]
 __io_read+0x357/0x1470 io_uring/rw.c:952
 io_read+0x8d/0x1f0 io_uring/rw.c:1031
 __io_issue_sqe+0xe8/0x7a0 io_uring/io_uring.c:1387
 io_issue_sqe+0x88/0x13e0 io_uring/io_uring.c:1410
 io_wq_submit_work+0x3b6/0xf70 io_uring/io_uring.c:1521
 io_worker_handle_work+0x5b5/0x1590 io_uring/io-wq.c:652
 io_wq_worker+0x33e/0xe60 io_uring/io-wq.c:706
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: 45 a5 c3 ff 48 8d 3d 9e e2 96 0e 67 48 0f b9 3a e9 07 fd ff ff e8 2f a5 c3 ff 48 c7 c6 a0 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 13 a5 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc900217069e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900217068cc
RDX: ffff888061fa4a00 RSI: ffffffff8257aa28 RDI: ffff888061fa4ec4
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000f855c0 R14: 0000000000000000 R15: 1ffff920042e0d68
FS:  00007efdef4516c0(0000) GS:ffff8880d6675000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000058d53000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400