syzbot


WARNING in ext4_expand_extra_isize_ea

Status: upstream: reported C repro on 2023/03/30 21:05
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+84695f6eb2486ad175e9@syzkaller.appspotmail.com
First crash: 843d, last: 9h12m
Fix commit to backport (bisect log) :
tree: upstream
commit cc12a6f25e07ed05d5825a1664b67a970842b2ca
Author: Ye Bin <yebin10@huawei.com>
Date: Thu Dec 8 02:32:31 2022 +0000

  ext4: allocate extended attribute value in vmalloc area

[report pending]
  
Bug presence (2)
Date Name Commit Repro Result
2023/09/20 linux-5.15.y (ToT) 35ecaa3632bf C [report] WARNING in ext4_expand_extra_isize_ea
2023/09/20 upstream (ToT) 42dc814987c1 C Didn't crash
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ext4_expand_extra_isize_ea ext4 -1 C error done 3 951d 963d 22/29 fixed on 2023/02/24 13:50
upstream WARNING in ext4_expand_extra_isize_ea (2) ext4 -1 3 842d 863d 0/29 auto-obsoleted due to no activity on 2023/07/29 05:01
linux-6.1 WARNING in ext4_expand_extra_isize_ea -1 3 824d 842d 0/3 auto-obsoleted due to no activity on 2023/08/16 18:52
Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/10/15 05:25 0m retest repro linux-5.15.y error
2024/10/15 01:31 0m retest repro linux-5.15.y error
2024/10/15 01:31 0m retest repro linux-5.15.y error
2024/10/15 01:31 0m retest repro linux-5.15.y error
2024/10/15 01:31 0m retest repro linux-5.15.y error
2024/10/15 01:31 0m retest repro linux-5.15.y error
2024/10/15 01:25 0m retest repro linux-5.15.y error
2024/10/15 01:25 0m retest repro linux-5.15.y error
2024/10/15 01:25 0m retest repro linux-5.15.y error
2024/10/15 01:25 1m retest repro linux-5.15.y error
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/10/04 06:11 4h41m fix candidate upstream OK (1) job log
2023/09/20 15:17 0m fix candidate upstream error job log

Sample crash report:
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4161 at mm/page_alloc.c:5441 __alloc_pages+0x5cf/0x700 mm/page_alloc.c:-1
Modules linked in:
CPU: 1 PID: 4161 Comm: syz-executor214 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__alloc_pages+0x5cf/0x700 mm/page_alloc.c:5441
Code: 00 48 ba 00 00 00 00 00 fc ff df e9 1d fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 2e fd ff ff e8 c6 49 0a 00 e9 24 fd ff ff <0f> 0b 45 31 e4 e9 70 fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900011df200 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900011df288
RBP: ffffc900011df318 R08: dffffc0000000000 R09: ffffc900011df260
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000040c40
R13: 1ffff9200023be48 R14: ffffc900011df260 R15: 1ffff9200023be44
FS:  0000555557ba5380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f74f2930000 CR3: 000000007c359000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:570 [inline]
 alloc_pages_node include/linux/gfp.h:584 [inline]
 kmalloc_large_node+0x7c/0x180 mm/slub.c:4421
 __kmalloc_node+0x22d/0x390 mm/slub.c:4437
 kvmalloc include/linux/mm.h:805 [inline]
 ext4_xattr_move_to_block fs/ext4/xattr.c:2590 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2698 [inline]
 ext4_expand_extra_isize_ea+0xe4f/0x1bb0 fs/ext4/xattr.c:2790
 __ext4_expand_extra_isize+0x2f7/0x3d0 fs/ext4/inode.c:5857
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5900 [inline]
 __ext4_mark_inode_dirty+0x539/0x860 fs/ext4/inode.c:5978
 ext4_truncate+0xbd7/0x1130 fs/ext4/inode.c:4272
 ext4_process_orphan+0x1aa/0x2d0 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0x9d9/0x1240 fs/ext4/orphan.c:474
 ext4_fill_super+0x98de/0xa110 fs/ext4/super.c:4975
 mount_bdev+0x2c9/0x3f0 fs/super.c:1400
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f74fad2f93a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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:00007fff5cac6468 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff5cac6480 RCX: 00007f74fad2f93a
RDX: 0000200000000440 RSI: 0000200000000000 RDI: 00007fff5cac6480
RBP: 0000200000000000 R08: 00007fff5cac64c0 R09: 0000000000000473
R10: 0000000000008248 R11: 0000000000000206 R12: 0000200000000440
R13: 00007fff5cac64c0 R14: 0000000000000003 R15: 0000000000008248
 </TASK>

Crashes (1820):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/31 19:24 linux-5.15.y 0c935c049b5c d3999433 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/03/31 09:33 linux-5.15.y 0c935c049b5c d3999433 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2024/01/28 22:25 linux-5.15.y 6139f2a02fe0 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2023/09/20 22:09 linux-5.15.y 35ecaa3632bf 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2023/05/29 16:43 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/11 02:09 linux-5.15.y 2f693b607545 3cda49cf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/01/04 21:20 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/09/30 02:01 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/09/30 00:41 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/08/01 09:50 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/08/01 09:18 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/08/01 08:51 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/08/01 07:42 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/04/07 13:34 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/04/07 07:32 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/03/18 23:09 linux-5.15.y b95c01af2113 baa80228 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/03/18 22:37 linux-5.15.y b95c01af2113 baa80228 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2024/01/28 22:16 linux-5.15.y 6139f2a02fe0 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2023/09/20 19:33 linux-5.15.y 35ecaa3632bf 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2023/05/05 14:10 linux-5.15.y 8a7f2a5c5aa1 518a39a6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/20 13:32 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/20 11:47 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/19 03:43 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/19 03:42 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/18 10:33 linux-5.15.y c79648372d02 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/17 22:06 linux-5.15.y 89950c454265 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/17 04:19 linux-5.15.y 89950c454265 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/17 04:16 linux-5.15.y 89950c454265 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/16 05:46 linux-5.15.y 89950c454265 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/16 04:42 linux-5.15.y 89950c454265 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/15 12:09 linux-5.15.y 89950c454265 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/13 23:17 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/13 01:09 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/11 01:53 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/09 17:32 linux-5.15.y 3dea0e7f549e f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/08 12:46 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/08 12:06 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/08 11:03 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/07 07:10 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/07 03:55 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/07 03:50 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/06 21:29 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/06 13:53 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/06 00:36 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/04 23:16 linux-5.15.y 3dea0e7f549e d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/04 21:11 linux-5.15.y 3dea0e7f549e d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/04 07:40 linux-5.15.y 3dea0e7f549e 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ext4_expand_extra_isize_ea
2025/07/20 15:13 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/20 03:57 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/19 11:47 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/19 01:46 linux-5.15.y c79648372d02 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/18 08:19 linux-5.15.y c79648372d02 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/17 18:59 linux-5.15.y 89950c454265 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/17 03:03 linux-5.15.y 89950c454265 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/16 03:30 linux-5.15.y 89950c454265 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/15 01:16 linux-5.15.y 89950c454265 d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/12 23:36 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/11 21:07 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/11 20:59 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/11 00:18 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/08 09:02 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/07 02:28 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/06 12:51 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/05 22:45 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/05 22:45 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/05 05:56 linux-5.15.y 3dea0e7f549e d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/04 13:56 linux-5.15.y 3dea0e7f549e 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2025/07/04 13:51 linux-5.15.y 3dea0e7f549e 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
2023/03/30 21:05 linux-5.15.y c957cbb87315 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ext4_expand_extra_isize_ea
* Struck through repros no longer work on HEAD.