EXT4-fs error (device loop1): mpage_map_and_submit_extent:2559: comm syz-executor.1: Failed to mark inode 13 dirty
==================================================================
BUG: KASAN: slab-out-of-bounds in ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
BUG: KASAN: slab-out-of-bounds in ext4_find_extent+0xba3/0xd80 fs/ext4/extents.c:945
Read of size 4 at addr ffff88810881860c by task syz-executor.1/1955

CPU: 0 PID: 1955 Comm: syz-executor.1 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3c0 mm/kasan/report.c:233
 __kasan_report mm/kasan/report.c:419 [inline]
 kasan_report+0x1a4/0x1f0 mm/kasan/report.c:436
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
 ext4_find_extent+0xba3/0xd80 fs/ext4/extents.c:945
 ext4_ext_map_blocks+0x219/0x3a30 fs/ext4/extents.c:4097
 ext4_map_blocks+0xa93/0x1ee0 fs/ext4/inode.c:638
 ext4_convert_unwritten_extents+0x2ad/0x5d0 fs/ext4/extents.c:4810
 ext4_convert_unwritten_io_end_vec+0x11d/0x1d0 fs/ext4/extents.c:4849
 ext4_put_io_end+0xc2/0x260 fs/ext4/page-io.c:310
 ext4_writepages+0x144d/0x3710 fs/ext4/inode.c:2895
 do_writepages+0x13a/0x280 mm/page-writeback.c:2358
 __filemap_fdatawrite_range+0x354/0x420 mm/filemap.c:427
 file_write_and_wait_range+0x89/0x120 mm/filemap.c:766
 ext4_sync_file+0x19e/0x9d0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:202
 generic_write_sync include/linux/fs.h:2818 [inline]
 ext4_buffered_write_iter+0x565/0x610 fs/ext4/file.c:280
 ext4_file_write_iter+0x192/0x1c70 fs/ext4/file.c:689
 call_write_iter include/linux/fs.h:1969 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xc4a/0xf80 fs/read_write.c:605
 ksys_write+0x198/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f2e0dc190f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2e0c98c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2e0dd38f80 RCX: 00007f2e0dc190f9
RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007f2e0dc74ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc4c7658f R14: 00007f2e0c98c300 R15: 0000000000022000

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:428 [inline]
 __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:461
 kasan_slab_alloc include/linux/kasan.h:259 [inline]
 slab_post_alloc_hook include/../mm/slab.h:583 [inline]
 slab_alloc_node mm/slub.c:2956 [inline]
 slab_alloc mm/slub.c:2964 [inline]
 kmem_cache_alloc+0x16c/0x300 mm/slub.c:2969
 alloc_inode fs/inode.c:235 [inline]
 new_inode_pseudo+0x7c/0x220 fs/inode.c:929
 new_inode+0x28/0x1c0 fs/inode.c:958
 tracefs_get_inode fs/tracefs/inode.c:130 [inline]
 tracefs_create_file+0xee/0x570 fs/tracefs/inode.c:496
 trace_create_file+0x33/0x70 kernel/trace/trace.c:8333
 event_create_dir+0x85b/0xd70 kernel/trace/trace_events.c:2194
 __trace_early_add_event_dirs+0x80/0x1d0 kernel/trace/trace_events.c:3168
 early_event_add_tracer+0x54/0x73 kernel/trace/trace_events.c:3339
 event_trace_init+0x107/0x189 kernel/trace/trace_events.c:3499
 tracer_init_tracefs+0x168/0x2fd kernel/trace/trace.c:9209
 do_one_initcall+0x1b5/0x610 init/main.c:1206
 do_initcall_level+0x192/0x2f0 init/main.c:1279
 do_initcalls+0x50/0x94 init/main.c:1295
 do_basic_setup+0x88/0x91 init/main.c:1315
 kernel_init_freeable+0x2ba/0x3f1 init/main.c:1519
 kernel_init+0x11/0x290 init/main.c:1406
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299

The buggy address belongs to the object at ffff888108818340
 which belongs to the cache inode_cache of size 704
The buggy address is located 12 bytes to the right of
 704-byte region [ffff888108818340, ffff888108818600)
The buggy address belongs to the page:
page:ffffea0004220600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108818
head:ffffea0004220600 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x8000000000010200(slab|head)
raw: 8000000000010200 dead000000000100 dead000000000122 ffff88810017d080
raw: 0000000000000000 0000000000130013 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Reclaimable, gfp_mask 0xd20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 1, ts 1662883450, free_ts 1153072833
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2386 [inline]
 prep_new_page mm/page_alloc.c:2392 [inline]
 get_page_from_freelist+0x755/0x810 mm/page_alloc.c:4073
 __alloc_pages_nodemask+0x3b6/0x890 mm/page_alloc.c:5160
 alloc_slab_page mm/slub.c:1815 [inline]
 allocate_slab+0x78/0x540 mm/slub.c:1817
 new_slab mm/slub.c:1878 [inline]
 new_slab_objects mm/slub.c:2636 [inline]
 ___slab_alloc+0x131/0x2e0 mm/slub.c:2800
 __slab_alloc+0x63/0xa0 mm/slub.c:2840
 slab_alloc_node mm/slub.c:2922 [inline]
 slab_alloc mm/slub.c:2964 [inline]
 kmem_cache_alloc+0x1ef/0x300 mm/slub.c:2969
 alloc_inode fs/inode.c:235 [inline]
 new_inode_pseudo+0x7c/0x220 fs/inode.c:929
 new_inode+0x28/0x1c0 fs/inode.c:958
 tracefs_get_inode fs/tracefs/inode.c:130 [inline]
 tracefs_create_file+0xee/0x570 fs/tracefs/inode.c:496
 trace_create_file+0x33/0x70 kernel/trace/trace.c:8333
 event_create_dir+0x909/0xd70 kernel/trace/trace_events.c:2199
 __trace_early_add_event_dirs+0x80/0x1d0 kernel/trace/trace_events.c:3168
 early_event_add_tracer+0x54/0x73 kernel/trace/trace_events.c:3339
 event_trace_init+0x107/0x189 kernel/trace/trace_events.c:3499
 tracer_init_tracefs+0x168/0x2fd kernel/trace/trace.c:9209
 do_one_initcall+0x1b5/0x610 init/main.c:1206
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1332 [inline]
 __free_pages_ok+0x7f8/0x830 mm/page_alloc.c:1612
 free_compound_page+0x72/0x90 mm/page_alloc.c:717
 free_transhuge_page+0x1f5/0x220 mm/huge_memory.c:2793
 destroy_compound_page include/linux/mm.h:959 [inline]
 __put_compound_page+0x72/0xb0 mm/swap.c:115
 __put_page+0xc0/0xd0 mm/swap.c:131
 put_page include/linux/mm.h:1255 [inline]
 khugepaged_do_scan+0x1737/0x1800 mm/khugepaged.c:2287
 khugepaged+0x105/0x790 mm/khugepaged.c:2324
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299

Memory state around the buggy address:
 ffff888108818500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888108818580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888108818600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                      ^
 ffff888108818680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888108818700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4817: inode #13: block 0: len 0: ext4_ext_map_blocks returned 0
EXT4-fs error (device loop1) in ext4_reserve_inode_write:5851: Out of memory