page last free pid 6721 tgid 6718 ts 119427956614 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_unref_folios+0xdc2/0x14e0 mm/page_alloc.c:3022
 folios_put_refs+0x9e9/0xb30 mm/folio.c:1034
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 truncate_inode_pages_range+0x3ca/0xd80 mm/truncate.c:408
 kill_bdev block/bdev.c:91 [inline]
 set_blocksize+0x2ce/0x440 block/bdev.c:207
 blkdev_bszset+0x1b2/0x230 block/ioctl.c:641
 blkdev_ioctl+0x2c7/0x740 block/ioctl.c:780
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x510 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6711 Comm: syz.3.355 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 a0 63 f8 8b e8 fe 7f 21 ff 90 0f 0b e8 b6 f4 c0 ff 48 8b 7c 24 20 48 c7 c6 60 58 f8 8b e8 e5 7f 21 ff 90 <0f> 0b e8 9d f4 c0 ff 4c 89 f7 48 c7 c6 a0 63 f8 8b e8 ce 7f 21 ff
RSP: 0018:ffffc900042371a0 EFLAGS: 00010246
RAX: 9c3c1209be69a900 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e25543f RDI: 00000000ffffffff
RBP: ffffc90004237340 R08: ffffffff9058fd7f R09: 1ffffffff20b1faf
R10: dffffc0000000000 R11: fffffbfff20b1fb0 R12: dffffc0000000000
R13: ffff88802396ab40 R14: 0000000000000002 R15: ffff88802396ac58
FS:  00007f1c8e9f66c0(0000) GS:ffff888124f0d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3adbf2 CR3: 0000000079b96000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x25e/0x530 mm/filemap.c:972
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
 do_sync_mmap_readahead+0x75e/0x990 mm/filemap.c:3443
 filemap_fault+0x7d9/0x13b0 mm/filemap.c:3597
 __do_fault+0x138/0x2a0 mm/memory.c:5566
 do_read_fault mm/memory.c:6001 [inline]
 do_fault mm/memory.c:6135 [inline]
 do_pte_missing+0x2215/0x34b0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6559 [inline]
 __handle_mm_fault mm/memory.c:6708 [inline]
 handle_mm_fault+0x1a53/0x3750 mm/memory.c:6877
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1675/0x2750 mm/gup.c:1428
 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860
 __mm_populate+0x25f/0x390 mm/gup.c:1963
 do_mlock+0x622/0x730 mm/mlock.c:661
 __do_sys_mlock mm/mlock.c:671 [inline]
 __se_sys_mlock mm/mlock.c:667 [inline]
 __x64_sys_mlock+0x77/0xa0 mm/mlock.c:667
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x510 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c9079e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1c8e9f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000095
RAX: ffffffffffffffda RBX: 00007f1c90a25fa0 RCX: 00007f1c9079e0d9
RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000200000000000
RBP: 00007f1c90835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1c90a26038 R14: 00007f1c90a25fa0 R15: 00007ffc5c445d98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 a0 63 f8 8b e8 fe 7f 21 ff 90 0f 0b e8 b6 f4 c0 ff 48 8b 7c 24 20 48 c7 c6 60 58 f8 8b e8 e5 7f 21 ff 90 <0f> 0b e8 9d f4 c0 ff 4c 89 f7 48 c7 c6 a0 63 f8 8b e8 ce 7f 21 ff
RSP: 0018:ffffc900042371a0 EFLAGS: 00010246
RAX: 9c3c1209be69a900 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e25543f RDI: 00000000ffffffff
RBP: ffffc90004237340 R08: ffffffff9058fd7f R09: 1ffffffff20b1faf
R10: dffffc0000000000 R11: fffffbfff20b1fb0 R12: dffffc0000000000
R13: ffff88802396ab40 R14: 0000000000000002 R15: ffff88802396ac58
FS:  00007f1c8e9f66c0(0000) GS:ffff88812500d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33c22ffc CR3: 0000000079b96000 CR4: 00000000003526f0