NILFS (loop1): unable to write superblock: err=-5
NILFS (loop1): unable to write superblock: err=-5
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:72 [inline]
BUG: KASAN: use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: use-after-free in mapping_unevictable include/linux/pagemap.h:252 [inline]
BUG: KASAN: use-after-free in folio_evictable mm/internal.h:138 [inline]
BUG: KASAN: use-after-free in lru_add_fn+0x2d4/0x1ac0 mm/swap.c:210
Read of size 8 at addr ffff88805862b880 by task syz-executor.1/3573

CPU: 0 PID: 3573 Comm: syz-executor.1 Not tainted 6.1.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 mapping_unevictable include/linux/pagemap.h:252 [inline]
 folio_evictable mm/internal.h:138 [inline]
 lru_add_fn+0x2d4/0x1ac0 mm/swap.c:210
 folio_batch_move_lru+0x31a/0x720 mm/swap.c:246
 lru_add_drain_cpu+0x108/0x8b0 mm/swap.c:669
 lru_add_drain+0x11e/0x3e0 mm/swap.c:773
 __pagevec_release+0x51/0xf0 mm/swap.c:1072
 pagevec_release include/linux/pagevec.h:71 [inline]
 write_cache_pages+0x12bb/0x15c0 mm/page-writeback.c:2399
 generic_writepages mm/page-writeback.c:2451 [inline]
 do_writepages+0x40f/0x670 mm/page-writeback.c:2471
 __writeback_single_inode+0x15d/0x11e0 fs/fs-writeback.c:1612
 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1733
 write_inode_now+0x1cf/0x260 fs/fs-writeback.c:2769
 iput_final fs/inode.c:1778 [inline]
 iput+0x616/0x980 fs/inode.c:1817
 nilfs_put_super+0xd3/0x150 fs/nilfs2/super.c:507
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1459
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fafb5e7e257
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc8572c2f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007fafb5e7e257
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffc8572d4a0
RBP: 00007fafb5ed96c6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000202 R12: 00007ffc8572d4a0
R13: 00007fafb5ed96c6 R14: 0000555556dfe430 R15: 000000000000000b
 </TASK>

Allocated by task 6651:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc_lru+0x10c/0x2d0 mm/slub.c:3429
 alloc_inode_sb include/linux/fs.h:3193 [inline]
 nilfs_alloc_inode+0x2a/0xe0 fs/nilfs2/super.c:154
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0x9c/0x270 fs/inode.c:1285
 nilfs_iget_locked+0x127/0x180 fs/nilfs2/inode.c:605
 nilfs_ifile_read+0x2e/0x170 fs/nilfs2/ifile.c:187
 nilfs_attach_checkpoint+0x260/0x4d0 fs/nilfs2/super.c:572
 nilfs_fill_super+0x349/0x660 fs/nilfs2/super.c:1095
 nilfs_mount+0x679/0x9a0 fs/nilfs2/super.c:1347
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3051
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 3971:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x292/0x510 mm/slub.c:3683
 rcu_do_batch kernel/rcu/tree.c:2296 [inline]
 rcu_core+0xad5/0x1810 kernel/rcu/tree.c:2556
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486
 call_rcu+0x163/0xa10 kernel/rcu/tree.c:2844
 nilfs_put_root+0x93/0xb0 fs/nilfs2/the_nilfs.c:910
 nilfs_segctor_destroy fs/nilfs2/segment.c:2825 [inline]
 nilfs_detach_log_writer+0x8c5/0xbd0 fs/nilfs2/segment.c:2887
 nilfs_put_super+0x49/0x150 fs/nilfs2/super.c:498
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1459
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Second to last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486
 call_rcu+0x163/0xa10 kernel/rcu/tree.c:2844
 nilfs_detach_btree_node_cache fs/nilfs2/inode.c:713 [inline]
 nilfs_clear_inode+0x20c/0x2b0 fs/nilfs2/inode.c:909
 nilfs_evict_inode+0x101/0x500 fs/nilfs2/inode.c:926
 evict+0x2a4/0x620 fs/inode.c:666
 nilfs_mdt_clear+0xd8/0x110 fs/nilfs2/mdt.c:484
 nilfs_clear_inode+0xba/0x2b0 fs/nilfs2/inode.c:903
 nilfs_evict_inode+0x101/0x500 fs/nilfs2/inode.c:926
 evict+0x2a4/0x620 fs/inode.c:666
 nilfs_put_super+0x123/0x150 fs/nilfs2/super.c:509
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1459
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88805862b340
 which belongs to the cache nilfs2_inode_cache of size 1512
The buggy address is located 1344 bytes inside of
 1512-byte region [ffff88805862b340, ffff88805862b928)

The buggy address belongs to the physical page:
page:ffffea0001618a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58628
head:ffffea0001618a00 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff88806036f001
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88814131a780
raw: 0000000000000000 0000000080130013 00000001ffffffff ffff88806036f001
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 4923, tgid 4921 (syz-executor.1), ts 117485298372, free_ts 103092067927
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 alloc_slab_page+0x6a/0x150 mm/slub.c:1794
 allocate_slab mm/slub.c:1939 [inline]
 new_slab+0x84/0x2d0 mm/slub.c:1992
 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc_lru+0x1a5/0x2d0 mm/slub.c:3429
 alloc_inode_sb include/linux/fs.h:3193 [inline]
 nilfs_alloc_inode+0x2a/0xe0 fs/nilfs2/super.c:154
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0x9c/0x270 fs/inode.c:1285
 nilfs_iget_locked+0x127/0x180 fs/nilfs2/inode.c:605
 nilfs_ifile_read+0x2e/0x170 fs/nilfs2/ifile.c:187
 nilfs_attach_checkpoint+0x260/0x4d0 fs/nilfs2/super.c:572
 nilfs_fill_super+0x349/0x660 fs/nilfs2/super.c:1095
 nilfs_mount+0x679/0x9a0 fs/nilfs2/super.c:1347
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1562
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3453
 free_slab mm/slub.c:2031 [inline]
 discard_slab mm/slub.c:2037 [inline]
 __unfreeze_partials+0x1b7/0x210 mm/slub.c:2586
 put_cpu_partial+0x17b/0x250 mm/slub.c:2662
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 ptlock_alloc mm/memory.c:6031 [inline]
 ptlock_init include/linux/mm.h:2389 [inline]
 pmd_ptlock_init include/linux/mm.h:2475 [inline]
 pgtable_pmd_page_ctor include/linux/mm.h:2511 [inline]
 pmd_alloc_one include/asm-generic/pgalloc.h:129 [inline]
 __pmd_alloc+0x132/0x850 mm/memory.c:5471
 pmd_alloc include/linux/mm.h:2339 [inline]
 __handle_mm_fault mm/memory.c:5115 [inline]
 handle_mm_fault+0xd9d/0x5340 mm/memory.c:5276
 do_user_addr_fault arch/x86/mm/fault.c:1340 [inline]
 handle_page_fault arch/x86/mm/fault.c:1431 [inline]
 exc_page_fault+0x26f/0x620 arch/x86/mm/fault.c:1487
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570

Memory state around the buggy address:
 ffff88805862b780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88805862b800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88805862b880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88805862b900: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
 ffff88805862b980: fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb fb
==================================================================