Buffer I/O error on dev loop0, logical block 1020, lost sync page write
NILFS (loop0): unable to write superblock: err=-5
syz-executor.0: attempt to access beyond end of device
loop0: rw=395265, sector=2, nr_sectors = 2 limit=0
Buffer I/O error on dev loop0, logical block 1, lost sync page write
NILFS (loop0): unable to write superblock: err=-5
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: slab-use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: slab-use-after-free in mapping_unevictable include/linux/pagemap.h:257 [inline]
BUG: KASAN: slab-use-after-free in folio_evictable mm/internal.h:353 [inline]
BUG: KASAN: slab-use-after-free in lru_add_fn+0x2cc/0x1a20 mm/swap.c:184
Read of size 8 at addr ffff88805e2bab18 by task syz-executor.0/5679

CPU: 1 PID: 5679 Comm: syz-executor.0 Not tainted 6.9.0-rc6-next-20240503-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 mapping_unevictable include/linux/pagemap.h:257 [inline]
 folio_evictable mm/internal.h:353 [inline]
 lru_add_fn+0x2cc/0x1a20 mm/swap.c:184
 folio_batch_move_lru+0x322/0x690 mm/swap.c:220
 lru_add_drain_cpu+0x10e/0x8c0 mm/swap.c:657
 lru_add_drain+0x123/0x3e0 mm/swap.c:757
 __folio_batch_release+0x55/0xa0 mm/swap.c:1081
 folio_batch_release include/linux/pagevec.h:101 [inline]
 writeback_get_folio mm/page-writeback.c:2438 [inline]
 writeback_iter+0x742/0x18d0 mm/page-writeback.c:2541
 writeback_use_writepage mm/page-writeback.c:2609 [inline]
 do_writepages+0x4b5/0x870 mm/page-writeback.c:2635
 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1651
 writeback_single_inode+0x21b/0x7a0 fs/fs-writeback.c:1772
 write_inode_now+0x1d1/0x260 fs/fs-writeback.c:2822
 iput_final fs/inode.c:1728 [inline]
 iput+0x5d7/0x930 fs/inode.c:1767
 nilfs_put_super+0xd7/0x160 fs/nilfs2/super.c:507
 generic_shutdown_super+0x136/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1676
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f877e27efd7
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:00007ffc02a30418 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f877e27efd7
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffc02a315c0
RBP: 00007f877e2c83b9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc02a315c0
R13: 00007f877e2c83b9 R14: 00005555699cb430 R15: 0000000000000015
 </TASK>

Allocated by task 5969:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4000 [inline]
 kmem_cache_alloc_lru_noprof+0x139/0x2b0 mm/slub.c:4019
 nilfs_alloc_inode+0x2e/0xf0 fs/nilfs2/super.c:154
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0xa4/0x280 fs/inode.c:1235
 nilfs_iget_locked+0x12b/0x180 fs/nilfs2/inode.c:606
 nilfs_ifile_read+0x30/0x1b0 fs/nilfs2/ifile.c:192
 nilfs_attach_checkpoint+0xed/0x1a0 fs/nilfs2/super.c:557
 nilfs_fill_super+0x380/0x6a0 fs/nilfs2/super.c:1067
 nilfs_get_tree+0x4f9/0x920 fs/nilfs2/super.c:1211
 vfs_get_tree+0x90/0x2a0 fs/super.c:1780
 do_new_mount+0x2be/0xb40 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5679:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2195 [inline]
 slab_free mm/slub.c:4436 [inline]
 kmem_cache_free+0x145/0x350 mm/slub.c:4511
 rcu_do_batch kernel/rcu/tree.c:2566 [inline]
 rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2840
 handle_softirqs+0x2d6/0x990 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702

Last potentially related work creation:
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541
 __call_rcu_common kernel/rcu/tree.c:3103 [inline]
 call_rcu+0x167/0xa70 kernel/rcu/tree.c:3207
 nilfs_put_root+0x97/0xc0 fs/nilfs2/the_nilfs.c:909
 nilfs_segctor_destroy fs/nilfs2/segment.c:2753 [inline]
 nilfs_detach_log_writer+0x8bb/0xbe0 fs/nilfs2/segment.c:2816
 nilfs_put_super+0x4d/0x160 fs/nilfs2/super.c:498
 generic_shutdown_super+0x136/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1676
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88805e2ba670
 which belongs to the cache nilfs2_inode_cache of size 1512
The buggy address is located 1192 bytes inside of
 freed 1512-byte region [ffff88805e2ba670, ffff88805e2bac58)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5e2b8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff8880293bb901
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffefff(slab)
raw: 00fff00000000040 ffff88801abec140 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000130013 00000001ffffefff ffff8880293bb901
head: 00fff00000000040 ffff88801abec140 dead000000000122 0000000000000000
head: 0000000000000000 0000000000130013 00000001ffffefff ffff8880293bb901
head: 00fff00000000003 ffffea000178ae01 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
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 5601, tgid 5600 (syz-executor.3), ts 126029769011, free_ts 123671394746
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468
 prep_new_page mm/page_alloc.c:1476 [inline]
 get_page_from_freelist+0x2ce2/0x2d90 mm/page_alloc.c:3438
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4696
 __alloc_pages_node_noprof include/linux/gfp.h:244 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:271 [inline]
 alloc_slab_page+0x5f/0x120 mm/slub.c:2264
 allocate_slab+0x5a/0x2e0 mm/slub.c:2427
 new_slab mm/slub.c:2480 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3666
 __slab_alloc+0x58/0xa0 mm/slub.c:3756
 __slab_alloc_node mm/slub.c:3809 [inline]
 slab_alloc_node mm/slub.c:3988 [inline]
 kmem_cache_alloc_lru_noprof+0x1c5/0x2b0 mm/slub.c:4019
 nilfs_alloc_inode+0x2e/0xf0 fs/nilfs2/super.c:154
 alloc_inode fs/inode.c:261 [inline]
 new_inode_pseudo+0x69/0x1e0 fs/inode.c:1007
 new_inode+0x22/0x1d0 fs/inode.c:1033
 nilfs_new_inode+0x13f/0x990 fs/nilfs2/inode.c:336
 nilfs_create+0xfd/0x2d0 fs/nilfs2/namei.c:85
 lookup_open fs/namei.c:3505 [inline]
 open_last_lookups fs/namei.c:3574 [inline]
 path_openat+0x1425/0x3280 fs/namei.c:3804
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
page last free pid 51 tgid 51 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1088 [inline]
 free_unref_page+0xd22/0xea0 mm/page_alloc.c:2601
 __slab_free+0x31b/0x3d0 mm/slub.c:4347
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4000 [inline]
 kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4043
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:656
 alloc_skb include/linux/skbuff.h:1308 [inline]
 nlmsg_new include/net/netlink.h:1015 [inline]
 rtmsg_ifa+0x1f0/0x3b0 net/ipv4/devinet.c:1929
 __inet_del_ifa+0x870/0x1040 net/ipv4/devinet.c:436
 inet_del_ifa net/ipv4/devinet.c:474 [inline]
 inetdev_destroy net/ipv4/devinet.c:327 [inline]
 inetdev_event+0x663/0x15c0 net/ipv4/devinet.c:1633
 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93
 call_netdevice_notifiers_extack net/core/dev.c:2031 [inline]
 call_netdevice_notifiers net/core/dev.c:2045 [inline]
 unregister_netdevice_many_notify+0xd9b/0x16e0 net/core/dev.c:11220
 unregister_netdevice_many net/core/dev.c:11278 [inline]
 default_device_exit_batch+0xa0f/0xa90 net/core/dev.c:11761
 ops_exit_list net/core/net_namespace.c:175 [inline]
 cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:637
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393

Memory state around the buggy address:
 ffff88805e2baa00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88805e2baa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88805e2bab00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88805e2bab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88805e2bac00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
==================================================================