entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e2a78e929 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3e2b614038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f3e2a9b5fa0 RCX: 00007f3e2a78e929 RDX: 0000000000000200 RSI: 0000200000000380 RDI: ffffffffffffff9c RBP: 00007f3e2a810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3e2a9b5fa0 R15: 00007ffd3c302f88 F2FS-fs (loop0): Remounting filesystem read-only page: refcount:3 mapcount:0 mapping:ffff888052840b10 index:0x3 pfn:0x42e81 memcg:ffff88801c2a8d00 aops:f2fs_node_aops ino:1 flags: 0x4fff3800000423c(referenced|uptodate|dirty|lru|workingset|private|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff3800000423c ffffea00014b2008 ffffea00014b2608 ffff888052840b10 raw: 0000000000000003 0000000000000009 00000003ffffffff ffff88801c2a8d00 page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio)) page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5328, tgid 5327 (syz.0.0), ts 86219802112, free_ts 86209648689 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1704 prep_new_page mm/page_alloc.c:1712 [inline] get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3669 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4959 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2419 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2510 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2520 filemap_alloc_folio_noprof+0xdf/0x470 mm/filemap.c:1007 __filemap_get_folio+0x3f2/0xaf0 mm/filemap.c:1980 __get_node_folio+0x194/0x1410 fs/f2fs/node.c:1495 do_read_inode fs/f2fs/inode.c:418 [inline] f2fs_iget+0x77c/0x5550 fs/f2fs/inode.c:589 f2fs_fill_super+0x491f/0x6c80 fs/f2fs/super.c:4794 mount_bdev+0x211/0x2c0 fs/super.c:1736 legacy_get_tree+0xfd/0x1a0 fs/fs_context.c:666 vfs_get_tree+0x92/0x2b0 fs/super.c:1802 do_new_mount+0x24a/0xa40 fs/namespace.c:3885 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4410 page last free pid 13 tgid 13 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0xc71/0xe70 mm/page_alloc.c:2706 rcu_do_batch kernel/rcu/tree.c:2576 [inline] rcu_core+0xca5/0x1710 kernel/rcu/tree.c:2832 handle_softirqs+0x286/0x870 kernel/softirq.c:579 do_softirq+0xec/0x180 kernel/softirq.c:480 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x318/0x3b0 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x328/0x610 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1498! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498 Code: de c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 7b 78 10 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 00 2d 94 8b e8 64 78 10 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 4d 78 10 00 RSP: 0018:ffffc9000d25f4a8 EFLAGS: 00010246 RAX: 0c58878f0dcf6e00 RBX: ffffea00010ba040 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d9810f7 RDI: 00000000ffffffff RBP: ffffc9000d25f790 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: 1ffffd4000217409 R13: 04fff3800000423c R14: ffffea00010ba048 R15: dffffc0000000000 FS: 00007f3e2b6146c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e2b5f39a0 CR3: 0000000044200000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: f2fs_sync_node_pages+0x180a/0x1a10 fs/f2fs/node.c:2081 block_operations fs/f2fs/checkpoint.c:1276 [inline] f2fs_write_checkpoint+0xe5f/0x1de0 fs/f2fs/checkpoint.c:1638 f2fs_issue_checkpoint+0x3ac/0x570 fs/f2fs/checkpoint.c:1847 f2fs_unlink+0x5eb/0xac0 fs/f2fs/namei.c:603 vfs_rmdir+0x3ba/0x520 fs/namei.c:4461 do_rmdir+0x2ac/0x630 fs/namei.c:4516 __do_sys_unlinkat fs/namei.c:4690 [inline] __se_sys_unlinkat fs/namei.c:4684 [inline] __x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:4684 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e2a78e929 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3e2b614038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f3e2a9b5fa0 RCX: 00007f3e2a78e929 RDX: 0000000000000200 RSI: 0000200000000380 RDI: ffffffffffffff9c RBP: 00007f3e2a810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3e2a9b5fa0 R15: 00007ffd3c302f88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498 Code: de c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 7b 78 10 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 00 2d 94 8b e8 64 78 10 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 4d 78 10 00 RSP: 0018:ffffc9000d25f4a8 EFLAGS: 00010246 RAX: 0c58878f0dcf6e00 RBX: ffffea00010ba040 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d9810f7 RDI: 00000000ffffffff RBP: ffffc9000d25f790 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: 1ffffd4000217409 R13: 04fff3800000423c R14: ffffea00010ba048 R15: dffffc0000000000 FS: 00007f3e2b6146c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e2b5f39a0 CR3: 0000000044200000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400