madvise_populate mm/madvise.c:969 [inline]
 madvise_do_behavior+0x2e4/0x540 mm/madvise.c:1906
page last free pid 25981 tgid 25976 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 free_unref_folios+0xd21/0x19f0 mm/page_alloc.c:3011
 folios_put_refs+0x815/0x920 mm/swap.c:1057
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 invalidate_inode_pages2_range+0x8f4/0xb30 mm/truncate.c:736
 blkdev_direct_write+0x48/0x140 block/fops.c:690
 blkdev_write_iter+0x530/0x700 block/fops.c:765
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:155!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 26001 Comm: syz.2.6762 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:filemap_unaccount_folio+0x506/0x550 mm/filemap.c:155
Code: 9a c1 ff 48 89 df 48 c7 c6 e0 0a 58 8b e8 f2 3c 24 ff 90 0f 0b e8 ba 9a c1 ff 48 89 df 48 c7 c6 a0 08 58 8b e8 db 3c 24 ff 90 <0f> 0b e8 a3 9a c1 ff 48 89 df 48 c7 c6 e0 0a 58 8b e8 c4 3c 24 ff
RSP: 0018:ffffc9000df8f580 EFLAGS: 00010246
RAX: 828206a18a9b9d00 RBX: ffffea00010354c0 RCX: 0000000080000001
RDX: ffffc90021581000 RSI: ffffffff8baa5560 RDI: ffff8880327a1f00
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c4903 R12: ffffea00010354f0
R13: ffff888026d5e6e0 R14: 1ffffd4000206a98 R15: 1ffffd4000206a99
FS:  00007f72109ae6c0(0000) GS:ffff888125ed4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc2964c7f0 CR3: 00000000525cc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 delete_from_page_cache_batch+0x16c/0xba0 mm/filemap.c:334
 truncate_inode_pages_range+0x31b/0xd80 mm/truncate.c:405
 truncate_bdev_range+0xc9/0x100 block/bdev.c:125
 blk_ioctl_zeroout block/ioctl.c:239 [inline]
 blkdev_common_ioctl+0x22eb/0x3250 block/ioctl.c:666
 blkdev_ioctl+0x52b/0x750 block/ioctl.c:791
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7212fdce59
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:00007f72109ae028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7213256360 RCX: 00007f7212fdce59
RDX: 0000200000000000 RSI: 000000000000127f RDI: 0000000000000003
RBP: 00007f7213072e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72132563f8 R14: 00007f7213256360 R15: 00007fffd9c69128
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x506/0x550 mm/filemap.c:155
Code: 9a c1 ff 48 89 df 48 c7 c6 e0 0a 58 8b e8 f2 3c 24 ff 90 0f 0b e8 ba 9a c1 ff 48 89 df 48 c7 c6 a0 08 58 8b e8 db 3c 24 ff 90 <0f> 0b e8 a3 9a c1 ff 48 89 df 48 c7 c6 e0 0a 58 8b e8 c4 3c 24 ff
RSP: 0018:ffffc9000df8f580 EFLAGS: 00010246
RAX: 828206a18a9b9d00 RBX: ffffea00010354c0 RCX: 0000000080000001
RDX: ffffc90021581000 RSI: ffffffff8baa5560 RDI: ffff8880327a1f00
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c4903 R12: ffffea00010354f0
R13: ffff888026d5e6e0 R14: 1ffffd4000206a98 R15: 1ffffd4000206a99
FS:  00007f72109ae6c0(0000) GS:ffff888125ed4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25d15d CR3: 00000000525cc000 CR4: 00000000003526f0