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corrupted report (3)

Status: premoderation: reported on 2024/04/08 19:56
Reported-by: syzbot+cd46a6f5ac3b55c51494@syzkaller.appspotmail.com
First crash: 708d, last: 21h07m
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 926d 1004d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 295d 416d 0/2 auto-obsoleted due to no activity on 2025/07/15 11:08
linux-4.19 corrupted report gfs2 sysv ext4 hfsplus -1 6619 1107d 2532d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2298d 2533d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 975d 1057d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 123d 268d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 7115 57m 273d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3035d 3037d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 596d 2227d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2378d 2506d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 522 25m 55d 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1107d 2531d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 285 5d14h 965d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 488d 713d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1405d 1554d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3035d 3037d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 133 17h42m 430d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 836d 836d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) net -1 1084423 11m 2897d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 9159 2h26m 1100d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2295d 2529d 0/3 auto-closed as invalid on 2020/03/03 12:39
linux-6.1 corrupted report -1 188142 3h17m 1106d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2295d 2529d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x1326/0x3860 fs/ext4/xattr.c:1729
Read of size 18446744073709551600 at addr ffff88810ccc52b8 by task syz.2.185/1096

CPU: 1 PID: 1096 Comm: syz.2.185 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0xe2/0x130 mm/kasan/report.c:452
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 memmove+0x2d/0x70 mm/kasan/shadow.c:54
 ext4_xattr_set_entry+0x1326/0x3860 fs/ext4/xattr.c:1729
 ext4_xattr_ibody_set+0x122/0x360 fs/ext4/xattr.c:2229
 ext4_destroy_inline_data_nolock+0x20f/0x5e0 fs/ext4/inline.c:464
 ext4_convert_inline_data_to_extent fs/ext4/inline.c:629 [inline]
 ext4_try_to_write_inline_data+0x6d0/0x11f0 fs/ext4/inline.c:769
 ext4_write_begin+0x246/0x1690 fs/ext4/inode.c:1192
 ext4_da_write_begin+0x478/0xf10 fs/ext4/inode.c:3033
 generic_perform_write+0x2ce/0x540 mm/filemap.c:3509
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x53f/0x1980 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2066 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x758/0xdc0 fs/read_write.c:605
 ksys_pwrite64 fs/read_write.c:712 [inline]
 __do_sys_pwrite64 fs/read_write.c:722 [inline]
 __se_sys_pwrite64 fs/read_write.c:719 [inline]
 __x64_sys_pwrite64+0x197/0x220 fs/read_write.c:719
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f228a530799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2288f8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f228a7a9fa0 RCX: 00007f228a530799
RDX: 0000000000000002 RSI: 0000200000000800 RDI: 0000000000000008
RBP: 00007f228a5c6c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f228a7aa038 R14: 00007f228a7a9fa0 R15: 00007ffd7e830ff8

The buggy address belongs to the page:
page:ffffea0004333140 refcount:4 mapcount:1 mapping:ffff88810044ad10 index:0x2 pfn:0x10ccc5
aops:def_blk_aops ino:0
flags: 0x400000000002203e(referenced|uptodate|dirty|lru|active|private|mappedtodisk)
raw: 400000000002203e ffffea00043c7908 ffffea00043b9a48 ffff88810044ad10
raw: 0000000000000002 ffff88811cbef2a0 0000000400000000 ffff888128c4e000
page dumped because: kasan: bad access detected
page->mem_cgroup:ffff888128c4e000
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x108c40(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL), pid 1096, ts 86701147587, free_ts 86440293110
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x179/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x223b/0x23d0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x290/0x620 mm/page_alloc.c:5384
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 __page_cache_alloc include/linux/pagemap.h:290 [inline]
 pagecache_get_page+0x63e/0x930 mm/filemap.c:1848
 find_or_create_page include/linux/pagemap.h:402 [inline]
 grow_dev_page fs/buffer.c:976 [inline]
 grow_buffers fs/buffer.c:1045 [inline]
 __getblk_slow fs/buffer.c:1072 [inline]
 __getblk_gfp+0x212/0x780 fs/buffer.c:1370
 sb_getblk_gfp include/linux/buffer_head.h:368 [inline]
 ext4_sb_breadahead_unmovable+0x6b/0xe0 fs/ext4/super.c:240
 __ext4_get_inode_loc+0x8dc/0xc30 fs/ext4/inode.c:4528
 __ext4_get_inode_loc_noinmem fs/ext4/inode.c:4559 [inline]
 __ext4_iget+0x495/0x44c0 fs/ext4/inode.c:4809
 ext4_fill_super+0x6f30/0x8d70 fs/ext4/super.c:4954
 mount_bdev+0x28b/0x3a0 fs/super.c:1442
 ext4_mount+0x34/0x40 fs/ext4/super.c:6661
 legacy_get_tree+0xed/0x190 fs/fs_context.c:593
 vfs_get_tree+0x89/0x260 fs/super.c:1572
 do_new_mount+0x25a/0xa20 fs/namespace.c:3006
 path_mount+0x585/0xc90 fs/namespace.c:3336
 do_mount fs/namespace.c:3349 [inline]
 __do_sys_mount fs/namespace.c:3557 [inline]
 __se_sys_mount+0x320/0x390 fs/namespace.c:3534
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336
 free_unref_page_list+0x129/0x9c0 mm/page_alloc.c:3443
 release_pages+0xe52/0xea0 mm/swap.c:1103
 __pagevec_release+0x71/0xe0 mm/swap.c:1123
 pagevec_release include/linux/pagevec.h:88 [inline]
 truncate_inode_pages_range+0x819/0x16d0 mm/truncate.c:367
 truncate_inode_pages mm/truncate.c:473 [inline]
 truncate_inode_pages_final+0xc0/0xd0 mm/truncate.c:524
 f2fs_evict_inode+0x17a/0x14e0 fs/f2fs/inode.c:764
 evict+0x4ae/0x930 fs/inode.c:612
 dispose_list fs/inode.c:647 [inline]
 evict_inodes+0x5dc/0x650 fs/inode.c:701
 generic_shutdown_super+0x96/0x320 fs/super.c:454
 kill_block_super+0x7f/0xf0 fs/super.c:1469
 kill_f2fs_super+0x303/0x3b0 fs/f2fs/super.c:4630
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x45b/0x510 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130

Memory state around the buggy address:
 ffff88810ccc5180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88810ccc5200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88810ccc5280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                        ^
 ffff88810ccc5300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88810ccc5380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz.2.185: Invalid block bitmap block 48142 in block_group 0

Crashes (98):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/17 00:55 android13-5.10-lts 9136079e403a 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/16 21:48 android13-5.10-lts 9136079e403a 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/12 12:44 android13-5.10-lts 9136079e403a 4efadf07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/01 01:46 android13-5.10-lts dad37bbb13a8 43249bac .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/25 12:39 android13-5.10-lts e8b14e1cefe8 94a9671e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/13 03:54 android13-5.10-lts e8b14e1cefe8 504cb1bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/12 07:05 android13-5.10-lts ee0977df88b5 76a109e2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/31 19:17 android13-5.10-lts 186f761c519d afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2026/01/24 00:28 android13-5.10-lts 5601baec60aa 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/21 08:42 android13-5.10-lts e253c52bbdfc 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/09 13:50 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2026/01/08 18:04 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/11/22 00:32 android13-5.10-lts e625d26dbfea 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/11/20 04:33 android13-5.10-lts ab3e1c0dd1ff 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/11/04 22:39 android13-5.10-lts ab3e1c0dd1ff 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/11/03 15:27 android13-5.10-lts ab3e1c0dd1ff 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/30 15:01 android13-5.10-lts ab3e1c0dd1ff fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/29 22:31 android13-5.10-lts 2ece552169c2 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/10/28 03:12 android13-5.10-lts 2ece552169c2 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/27 03:29 android13-5.10-lts 2ece552169c2 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/15 04:08 android13-5.10-lts 2ece552169c2 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/10/09 18:01 android13-5.10-lts 2ece552169c2 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/01 06:35 android13-5.10-lts 0a91f603159e 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/09/30 10:26 android13-5.10-lts 0a91f603159e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/09/29 06:53 android13-5.10-lts 911f602c2237 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/09/26 12:02 android13-5.10-lts 911f602c2237 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/09/21 09:16 android13-5.10-lts 911f602c2237 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/09/18 22:06 android13-5.10-lts 911f602c2237 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/09/02 02:01 android13-5.10-lts 1154f779f3f3 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/08/25 21:30 android13-5.10-lts 1154f779f3f3 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/07/13 04:44 android13-5.10-lts 59e9a7228857 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/07/11 21:45 android13-5.10-lts 59e9a7228857 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/29 08:05 android13-5.10-lts 59e9a7228857 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/28 12:49 android13-5.10-lts 59e9a7228857 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/27 07:00 android13-5.10-lts 59e9a7228857 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/11 11:36 android13-5.10-lts d76d4cd0623a 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/11 02:38 android13-5.10-lts d76d4cd0623a 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/09 20:00 android13-5.10-lts d76d4cd0623a 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/06/08 21:26 android13-5.10-lts d76d4cd0623a 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/06 23:23 android13-5.10-lts d76d4cd0623a 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/06/03 03:37 android13-5.10-lts cf6ed0f1511d a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/06/02 20:30 android13-5.10-lts cf6ed0f1511d b396b4bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/05/29 16:32 android13-5.10-lts cf6ed0f1511d 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/05/28 11:38 android13-5.10-lts cf6ed0f1511d 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/05/23 23:40 android13-5.10-lts 7e2543346ff7 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/05/22 18:43 android13-5.10-lts 7e2543346ff7 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/05/16 01:16 android13-5.10-lts 7e2543346ff7 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/03/21 19:01 android13-5.10-lts 094fc3778d6b 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/03/04 16:15 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/02/04 20:07 android13-5.10-lts fbe98d68b6b3 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/02/04 18:46 android13-5.10-lts fbe98d68b6b3 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2024/06/01 04:05 android13-5.10-lts a8e7f812fbc1 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2024/05/29 03:26 android13-5.10-lts a8e7f812fbc1 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2024/05/27 03:42 android13-5.10-lts a8e7f812fbc1 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2024/05/25 16:18 android13-5.10-lts a8e7f812fbc1 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2024/04/10 05:37 android13-5.10-lts 4e1bc8d8e8ae 171ec371 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2024/04/08 19:55 android13-5.10-lts 4e1bc8d8e8ae 53df08b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
* Struck through repros no longer work on HEAD.