==================================================================
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+0xbab/0xdb0 fs/ext4/extents.c:945
Read of size 4 at addr ffff888122c23a58 by task kworker/u4:0/7

CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.10.204-syzkaller-999737-gf7977422e132 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work

Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
 ext4_find_extent+0xbab/0xdb0 fs/ext4/extents.c:945
 ext4_ext_map_blocks+0x26d/0x6be0 fs/ext4/extents.c:4097
 ext4_map_blocks+0xaa7/0x1ec0 fs/ext4/inode.c:646
 ext4_convert_unwritten_extents+0x2a3/0x5a0 fs/ext4/extents.c:4808
 ext4_convert_unwritten_io_end_vec+0x104/0x180 fs/ext4/extents.c:4847
 ext4_end_io_end fs/ext4/page-io.c:189 [inline]
 ext4_do_flush_completed_IO fs/ext4/page-io.c:262 [inline]
 ext4_end_io_rsv_work+0x358/0x690 fs/ext4/page-io.c:276
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299

Allocated by task 0:
(stack is not available)

The buggy address belongs to the object at ffff888122c23000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 600 bytes to the right of
 2048-byte region [ffff888122c23000, ffff888122c23800)
The buggy address belongs to the page:
page:ffffea00048b0800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x122c20
head:ffffea00048b0800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042d80
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 343, ts 42070883675, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5346
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x80/0x400 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x302/0x4b0 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 __kmalloc_track_caller+0x1f8/0x320 mm/slub.c:4536
 __kmalloc_reserve net/core/skbuff.c:143 [inline]
 __alloc_skb+0xbc/0x510 net/core/skbuff.c:211
 alloc_skb include/linux/skbuff.h:1126 [inline]
 alloc_skb_with_frags+0xa1/0x570 net/core/skbuff.c:5938
 sock_alloc_send_pskb+0x915/0xa50 net/core/sock.c:2376
 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2393
 mld_newpack+0x1b2/0x990 net/ipv6/mcast.c:1604
 add_grhead net/ipv6/mcast.c:1707 [inline]
 add_grec+0xf63/0x13b0 net/ipv6/mcast.c:1838
 mld_send_cr net/ipv6/mcast.c:1964 [inline]
 mld_ifc_timer_expire+0x73e/0xbf0 net/ipv6/mcast.c:2471
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1420
 expire_timers kernel/time/timer.c:1465 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1759
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888122c23900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888122c23980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888122c23a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                    ^
 ffff888122c23a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888122c23b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
EXT4-fs error (device loop3): ext4_map_blocks:716: inode #19: block 2210940244: comm kworker/u4:0: lblock 4 mapped to illegal pblock 2210940244 (length 1)
EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4815: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop3): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop3) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop3): ext4_map_blocks:716: inode #19: block 2210940245: comm kworker/u4:0: lblock 5 mapped to illegal pblock 2210940245 (length 1)
EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4815: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop3): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop3) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop3): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop5): ext4_map_blocks:716: inode #19: block 207: comm kworker/u4:0: lblock 15 mapped to illegal pblock 207 (length 1)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 15: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop5): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop5) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 16: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop5): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop5) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 17: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 18: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 19: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 20: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 21: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 22: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 23: len 1: ext4_ext_map_blocks returned -117
EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4815: inode #19: block 24: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): ext4_map_blocks:716: inode #19: block 251: comm kworker/u4:0: lblock 43 mapped to illegal pblock 251 (length 1)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 43: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop0): ext4_map_blocks:716: inode #19: block 252: comm kworker/u4:0: lblock 44 mapped to illegal pblock 252 (length 1)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 44: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 45: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 46: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 47: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop4): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop1): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop2): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop2): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0): ext4_map_blocks:716: inode #19: block 193: comm kworker/u4:0: lblock 1 mapped to illegal pblock 193 (length 1)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4815: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop3): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop5): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop1): ext4_map_blocks:716: inode #19: block 192: comm kworker/u4:0: lblock 0 mapped to illegal pblock 192 (length 1)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 0: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop1): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop1) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop1): ext4_map_blocks:716: inode #19: block 193: comm kworker/u4:0: lblock 1 mapped to illegal pblock 193 (length 1)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop1): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop1) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop1): ext4_map_blocks:716: inode #19: block 194: comm kworker/u4:0: lblock 2 mapped to illegal pblock 194 (length 1)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4815: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop4): ext4_map_blocks:716: inode #19: block 251: comm kworker/u4:0: lblock 43 mapped to illegal pblock 251 (length 1)
EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4815: inode #19: block 43: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop4): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop4) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop4): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4815: inode #19: block 44: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop4): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop4) in ext4_reserve_inode_write:5886: Corrupt filesystem
EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4816: inode #19: comm kworker/u4:0: mark_inode_dirty error
EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop4): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0)
EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4815: inode #19: block 45: len 1: ext4_ext_map_blocks returned -117
EXT4-fs error (device loop4): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4815: inode #19: block 46: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4815: inode #19: block 47: len 1: ext4_ext_map_blocks returned -117
EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 19, error -117)
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0
EXT4-fs error (device loop0): __ext4_get_inode_loc:4426: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0