blkdev_ioctl+0x513/0x6f0 block/ioctl.c:786
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 8167 Comm: syz.1.644 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+0xfcf/0x1280 mm/filemap.c:858
Code: 56 c5 ff 48 c7 c6 00 30 bd 8b 4c 89 ef e8 b9 3f 12 00 90 0f 0b e8 31 56 c5 ff 48 c7 c6 60 30 bd 8b 4c 89 ef e8 a2 3f 12 00 90 <0f> 0b e8 1a 56 c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 0c 56 c5 ff 90
RSP: 0018:ffffc90004aa7820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802e834900 RSI: ffffffff82558608 RDI: ffff88802e834d84
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000c6aec0 R14: 0000000000000000 R15: 1ffff92000954f2e
FS:  000055558b89b500(0000) GS:ffff8880d6348000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de624ee9c CR3: 000000004434b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf30 mm/readahead.c:515
 do_sync_mmap_readahead mm/filemap.c:3400 [inline]
 filemap_fault+0x191a/0x2eb0 mm/filemap.c:3549
 __do_fault+0x10d/0x550 mm/memory.c:5363
 do_shared_fault mm/memory.c:5862 [inline]
 do_fault+0x2db/0x1950 mm/memory.c:5936
 do_pte_missing mm/memory.c:4477 [inline]
 handle_pte_fault mm/memory.c:6316 [inline]
 __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f6f6d665de2
Code: 30 48 8b 14 24 48 85 d2 74 17 8b 44 24 10 0f c8 89 c0 48 89 44 24 10 48 83 fa 01 0f 85 aa 02 00 00 48 8b 44 24 18 8b 74 24 10 <89> 30 e9 1e fe ff ff 48 8b 44 24 18 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007ffcc7332640 EFLAGS: 00010246
RAX: 0000200000010404 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000002b2b RDI: 000055558b89b3d8
RBP: 00007ffcc7332760 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002b2b R11: 0000000000000002 R12: 00007ffcc73327a0
R13: 00007f6f6da1609c R14: 0000000000018466 R15: 00007f6f6da16090
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858
Code: 56 c5 ff 48 c7 c6 00 30 bd 8b 4c 89 ef e8 b9 3f 12 00 90 0f 0b e8 31 56 c5 ff 48 c7 c6 60 30 bd 8b 4c 89 ef e8 a2 3f 12 00 90 <0f> 0b e8 1a 56 c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 0c 56 c5 ff 90
RSP: 0018:ffffc90004aa7820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802e834900 RSI: ffffffff82558608 RDI: ffff88802e834d84
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000c6aec0 R14: 0000000000000000 R15: 1ffff92000954f2e
FS:  000055558b89b500(0000) GS:ffff8880d6448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000030c0 CR3: 000000004434b000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400