XFS (loop3): Starting recovery (logdev: internal)
==================================================================
BUG: KASAN: slab-out-of-bounds in xfs_btree_lookup_get_block+0x192/0x720 fs/xfs/libxfs/xfs_btree.c:1813
Read of size 8 at addr ffff88807d02ffc0 by task syz-executor.3/19802

CPU: 1 PID: 19802 Comm: syz-executor.3 Not tainted 6.3.0-rc5-syzkaller-00022-g76f598ba7d8e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:319 [inline]
 print_report+0x163/0x540 mm/kasan/report.c:430
 kasan_report+0x176/0x1b0 mm/kasan/report.c:536
 xfs_btree_lookup_get_block+0x192/0x720 fs/xfs/libxfs/xfs_btree.c:1813
 xfs_btree_lookup+0x3af/0x1300 fs/xfs/libxfs/xfs_btree.c:1913
 xfs_btree_simple_query_range+0xfa/0x6a0 fs/xfs/libxfs/xfs_btree.c:4732
 xfs_btree_query_range+0x2c6/0x360 fs/xfs/libxfs/xfs_btree.c:4972
 xfs_refcount_recover_cow_leftovers+0x35e/0xcd0 fs/xfs/libxfs/xfs_refcount.c:1936
 xfs_reflink_recover_cow+0x8a/0x1e0 fs/xfs/xfs_reflink.c:928
 xlog_recover_finish+0x845/0x940 fs/xfs/xfs_log_recover.c:3493
 xfs_log_mount_finish+0x1fd/0x3e0 fs/xfs/xfs_log.c:829
 xfs_mountfs+0x1639/0x1f10 fs/xfs/xfs_mount.c:933
 xfs_fs_fill_super+0xf94/0x11e0 fs/xfs/xfs_super.c:1677
 get_tree_bdev+0x402/0x620 fs/super.c:1303
 vfs_get_tree+0x8c/0x270 fs/super.c:1510
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe39de8d69a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe39ec31f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000009718 RCX: 00007fe39de8d69a
RDX: 0000000020009740 RSI: 0000000020009780 RDI: 00007fe39ec31fe0
RBP: 00007fe39ec32020 R08: 00007fe39ec32020 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020009740
R13: 0000000020009780 R14: 00007fe39ec31fe0 R15: 00000000200097c0
 </TASK>

Allocated by task 26630:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:186 [inline]
 slab_post_alloc_hook+0x68/0x3a0 mm/slab.h:769
 slab_alloc_node mm/slub.c:3452 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc+0x11f/0x2e0 mm/slub.c:3476
 kmem_cache_zalloc include/linux/slab.h:710 [inline]
 xfs_btree_alloc_cursor fs/xfs/libxfs/xfs_btree.h:592 [inline]
 xfs_refcountbt_init_common fs/xfs/libxfs/xfs_refcount_btree.c:336 [inline]
 xfs_refcountbt_init_cursor+0x8a/0x340 fs/xfs/libxfs/xfs_refcount_btree.c:363
 xfs_refcount_recover_cow_leftovers+0x2a4/0xcd0 fs/xfs/libxfs/xfs_refcount.c:1929
 xfs_reflink_recover_cow+0x8a/0x1e0 fs/xfs/xfs_reflink.c:928
 xlog_recover_finish+0x845/0x940 fs/xfs/xfs_log_recover.c:3493
 xfs_log_mount_finish+0x1fd/0x3e0 fs/xfs/xfs_log.c:829
 xfs_mountfs+0x1639/0x1f10 fs/xfs/xfs_mount.c:933
 xfs_fs_fill_super+0xf94/0x11e0 fs/xfs/xfs_super.c:1677
 get_tree_bdev+0x402/0x620 fs/super.c:1303
 vfs_get_tree+0x8c/0x270 fs/super.c:1510
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88807d02fe70
 which belongs to the cache xfs_refcbt_cur of size 200
The buggy address is located 136 bytes to the right of
 allocated 200-byte region [ffff88807d02fe70, ffff88807d02ff38)

The buggy address belongs to the physical page:
page:ffffea0001f40bc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807d02f948 pfn:0x7d02f
ksm flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffff8881459c9dc0 ffffea0001d8d200 0000000000000003
raw: ffff88807d02f948 00000000800f0009 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 5636, tgid 5635 (syz-executor.0), ts 265756364492, free_ts 265735722488
 prep_new_page mm/page_alloc.c:2553 [inline]
 get_page_from_freelist+0x3246/0x33c0 mm/page_alloc.c:4326
 __alloc_pages+0x255/0x670 mm/page_alloc.c:5592
 alloc_slab_page+0x6a/0x160 mm/slub.c:1851
 allocate_slab mm/slub.c:1998 [inline]
 new_slab+0x84/0x2f0 mm/slub.c:2051
 ___slab_alloc+0xa85/0x10a0 mm/slub.c:3193
 __slab_alloc mm/slub.c:3292 [inline]
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc+0x1b9/0x2e0 mm/slub.c:3476
 kmem_cache_zalloc include/linux/slab.h:710 [inline]
 xfs_btree_alloc_cursor fs/xfs/libxfs/xfs_btree.h:592 [inline]
 xfs_refcountbt_init_common fs/xfs/libxfs/xfs_refcount_btree.c:336 [inline]
 xfs_refcountbt_init_cursor+0x8a/0x340 fs/xfs/libxfs/xfs_refcount_btree.c:363
 xfs_reflink_find_shared fs/xfs/xfs_reflink.c:146 [inline]
 xfs_reflink_trim_around_shared+0x52d/0x9b0 fs/xfs/xfs_reflink.c:193
 xfs_buffered_write_iomap_begin+0xeaa/0x1b10 fs/xfs/xfs_iomap.c:1052
 iomap_iter+0x677/0xec0 fs/iomap/iter.c:91
 iomap_file_buffered_write+0x2ad/0xc90 fs/iomap/buffered-io.c:879
 xfs_file_buffered_write+0x2f2/0xb50 fs/xfs/xfs_file.c:724
 do_iter_write+0x6ea/0xc50 fs/read_write.c:861
 iter_file_splice_write+0x843/0xfe0 fs/splice.c:778
 do_splice_from fs/splice.c:856 [inline]
 direct_splice_actor+0xe7/0x1c0 fs/splice.c:1022
 splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:977
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1454 [inline]
 free_pcp_prepare mm/page_alloc.c:1504 [inline]
 free_unref_page_prepare+0xe2f/0xe70 mm/page_alloc.c:3388
 free_unref_page+0x37/0x3f0 mm/page_alloc.c:3483
 discard_slab mm/slub.c:2098 [inline]
 __unfreeze_partials+0x1b1/0x1f0 mm/slub.c:2637
 put_cpu_partial+0x116/0x180 mm/slub.c:2713
 qlist_free_all+0x22/0x60 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x23/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:186 [inline]
 slab_post_alloc_hook+0x68/0x3a0 mm/slab.h:769
 slab_alloc_node mm/slub.c:3452 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc+0x11f/0x2e0 mm/slub.c:3476
 getname_flags+0xbc/0x4e0 fs/namei.c:140
 vfs_fstatat fs/stat.c:275 [inline]
 __do_sys_newfstatat fs/stat.c:446 [inline]
 __se_sys_newfstatat fs/stat.c:440 [inline]
 __x64_sys_newfstatat+0x12e/0x1d0 fs/stat.c:440
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff88807d02fe80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807d02ff00: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc
>ffff88807d02ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                           ^
 ffff88807d030000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88807d030080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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