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kernel BUG in ext4_write_inline_data_end (2)

Status: upstream: reported C repro on 2024/02/02 09:24
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+0c89d865531d053abb2d@syzkaller.appspotmail.com
First crash: 293d, last: 2d06h
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG in ext4_write_inline_data (log)
Repro: C syz .config
  
▶ ▼ Discussions (5)
Title Replies (including bot) Last reply
[syzbot] [ext4?] kernel BUG in ext4_write_inline_data_end (2) 0 (4) 2024/11/08 10:27
[syzbot] Monthly ext4 report (Aug 2024) 0 (1) 2024/08/16 09:46
[syzbot] Monthly ext4 report (Jul 2024) 0 (1) 2024/07/15 14:03
[syzbot] Monthly ext4 report (Apr 2024) 0 (1) 2024/04/12 13:18
Re: [syzbot] [ext4?] kernel BUG in ext4_write_inline_data_end (2) 1 (1) 2024/02/06 15:44
▶ ▼ Similar bugs (13)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at fs/ext4/inline.c:LINE! ext4 C done done 76 675d 1498d 22/28 fixed on 2023/02/24 13:50
android-54 kernel BUG in ext4_write_inline_data_end C 4 859d 993d 2/2 fixed on 2022/09/27 22:24
android-5-10 kernel BUG in ext4_write_inline_data_end C error 3 926d 993d 0/2 closed as dup on 2022/03/04 15:25
android-5-15 kernel BUG in ext4_write_inline_data_end (2) origin:upstream C 9 7d12h 423d 0/2 upstream: reported C repro on 2023/09/24 12:05
android-5-10 kernel BUG in ext4_write_inline_data_end (2) C error 13 210d 877d 2/2 upstream: reported C repro on 2022/06/27 15:18
linux-6.1 kernel BUG in ext4_write_inline_data_end origin:upstream C error 43 3d00h 619d 0/3 upstream: reported C repro on 2023/03/12 18:03
android-6-1 kernel BUG in ext4_write_inline_data_end origin:lts C error done 1 40d 372d 0/2 upstream: reported C repro on 2023/11/14 10:56
android-5-15 kernel BUG in ext4_write_inline_data_end C error 11 717d 777d 2/2 fixed on 2023/02/02 00:40
linux-4.19 kernel BUG in ext4_write_inline_data_end ext4 C error 12 628d 1375d 0/1 upstream: reported C repro on 2021/02/14 13:39
linux-5.15 kernel BUG in ext4_write_inline_data_end origin:upstream C error 4 45d 540d 0/3 upstream: reported C repro on 2023/05/30 10:48
upstream kernel BUG in ext4_write_inline_data_end ext4 C error done 32 331d 629d 25/28 fixed on 2024/01/30 23:26
android-54 kernel BUG in ext4_write_inline_data_end (2) ext4 syz 9 43d 665d 0/2 upstream: reported syz repro on 2023/01/25 15:39
linux-4.14 kernel BUG in ext4_write_inline_data_end C error 4 715d 1301d 0/1 upstream: reported C repro on 2021/04/30 02:18
▶ ▼ Last patch testing requests (12)
Created Duration User Patch Repo Result
2024/11/08 10:27 19m crashfixer001@gmail.com upstream report log
2024/11/08 09:16 20m crashfixer001@gmail.com upstream report log
2024/08/30 11:04 12m retest repro upstream report log
2024/08/30 11:04 12m retest repro upstream report log
2024/08/30 11:04 13m retest repro upstream report log
2024/08/16 08:34 19m retest repro upstream report log
2024/08/16 08:26 19m retest repro upstream report log
2024/08/01 07:57 2h56m retest repro upstream report log
2024/06/03 19:33 16m retest repro upstream report log
2024/06/03 19:33 17m retest repro upstream report log
2024/06/03 19:33 19m retest repro upstream report log
2024/06/03 19:32 19m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:235!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 7357 Comm: syz-executor250 Not tainted 6.8.0-rc4-syzkaller-00034-g8d3dea210042 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline]
RIP: 0010:ext4_write_inline_data_end+0xea1/0x1020 fs/ext4/inline.c:773
Code: 31 ff e8 32 82 41 ff 48 89 d8 48 25 ff 0f 00 00 74 70 e8 42 7d 41 ff e9 12 f8 ff ff e8 38 7d 41 ff 90 0f 0b e8 30 7d 41 ff 90 <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 fb 9c a3 ff 48 c1
RSP: 0018:ffffc9000bf1f800 EFLAGS: 00010293
RAX: ffffffff8251ef10 RBX: 000000000000003c RCX: ffff88801afbbb80
RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000000084c
RBP: ffffc9000bf1f928 R08: ffffffff8251e469 R09: 1ffff1100edc1470
R10: dffffc0000000000 R11: ffffed100edc1471 R12: ffff88807510626a
R13: 000000000000000c R14: 000000000000084c R15: 0000000000000ff4
FS:  00007f8d012816c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020049000 CR3: 000000001e1ba000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 generic_perform_write+0x426/0x640 mm/filemap.c:3941
 ext4_buffered_write_iter+0xc6/0x350 fs/ext4/file.c:299
 ext4_file_write_iter+0x1dc/0x19c0
 call_write_iter include/linux/fs.h:2085 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa83/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f8d012e5c89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8d01281218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8d0136e6d8 RCX: 00007f8d012e5c89
RDX: 000000000208e24b RSI: 00000000200007c0 RDI: 0000000000000005
RBP: 00007f8d0136e6d0 R08: 00007ffc62adbdc7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d0133a840
R13: 00007f8d0133a0c0 R14: 0030656c69662f2e R15: 6f73762f7665642f
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline]
RIP: 0010:ext4_write_inline_data_end+0xea1/0x1020 fs/ext4/inline.c:773
Code: 31 ff e8 32 82 41 ff 48 89 d8 48 25 ff 0f 00 00 74 70 e8 42 7d 41 ff e9 12 f8 ff ff e8 38 7d 41 ff 90 0f 0b e8 30 7d 41 ff 90 <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 fb 9c a3 ff 48 c1
RSP: 0018:ffffc9000bf1f800 EFLAGS: 00010293
RAX: ffffffff8251ef10 RBX: 000000000000003c RCX: ffff88801afbbb80
RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000000084c
RBP: ffffc9000bf1f928 R08: ffffffff8251e469 R09: 1ffff1100edc1470
R10: dffffc0000000000 R11: ffffed100edc1471 R12: ffff88807510626a
R13: 000000000000000c R14: 000000000000084c R15: 0000000000000ff4
FS:  00007f8d012816c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d012a3000 CR3: 000000001e1ba000 CR4: 0000000000350ef0

Crashes (103):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/15 19:18 upstream 8d3dea210042 d9b1cdd5 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/02/13 03:29 upstream 716f4aaa7b48 77b23aa1 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2024/02/06 22:48 upstream 99bd3cb0d12e 6404acf9 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2024/10/29 06:30 upstream e42b1a9a2557 66aeb999 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/04 23:33 upstream c7fb1692dc01 dfbe2ed4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/03/09 23:18 upstream 09e5c48fea17 6ee49f2e .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in ext4_write_inline_data_end
2024/11/12 17:28 linux-next 929beafbe7ac 75bb1b32 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/04/30 07:16 upstream b947cc5bf6d7 f10afd69 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2024/04/24 15:29 upstream 9d1ddab261f3 21339d7b .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2024/11/16 12:16 upstream f868cd251776 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/11/15 10:11 upstream cfaaa7d010d1 f6ede3a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in ext4_write_inline_data_end
2024/10/27 09:01 upstream 850925a8133c 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/10/02 20:39 upstream e32cde8d2bd7 a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/18 05:49 upstream b1bc554e009e 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/17 14:20 upstream 51835949dda3 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/16 08:56 upstream d67978318827 b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/15 14:45 upstream 0c3836482481 efee4ed2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/15 03:18 upstream 0c3836482481 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/14 14:22 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/13 05:42 upstream 528dd46d0fc3 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/11 22:12 upstream 8a18fda0febb c699c2eb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/07/06 18:09 upstream 1dd28064d416 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2024/05/02 13:23 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2024/02/02 01:47 upstream 6764c317b6bb 81024119 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/11/19 00:03 upstream 9fb2cfa4635a 571351cb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/18 02:35 upstream f66d6acccbc0 cfe3a04a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/17 13:37 upstream 4a5df3796467 cfe3a04a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/17 02:23 upstream e8bdb3c8be08 cfe3a04a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/14 12:03 upstream 0a9b9d17f3a7 a8c99394 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/13 20:47 upstream f1b785f4c787 4dfba277 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/07 02:06 upstream 7758b206117d df3dc63b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/04 06:27 upstream b9021de3ec2f f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/04 01:14 upstream b9021de3ec2f f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/02 14:44 upstream 11066801dd4b f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/29 19:55 upstream e42b1a9a2557 66aeb999 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/27 01:50 upstream 850925a8133c 65e8686b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/24 20:46 upstream c2ee9f594da8 c08e46d6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/24 05:05 upstream c2ee9f594da8 15fa2979 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/23 10:57 upstream c2ee9f594da8 15fa2979 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/22 17:03 upstream c2ee9f594da8 a573a9f4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/22 02:20 upstream c2ee9f594da8 a93682b3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/20 08:37 upstream 715ca9dd687f cd6fc0a3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/19 07:01 upstream b04ae0f45168 cd6fc0a3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/15 01:19 upstream eca631b8fe80 484e362f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/13 03:39 upstream 7234e2ea0edd 084d8178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/10/10 08:27 upstream b983b271662b 0278d004 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/27 09:06 upstream 075dbe9f6e3c 9314348a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/22 13:34 upstream 88264981f208 6f888b75 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/21 15:05 upstream 1868f9d0260e 6f888b75 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/17 11:51 upstream a430d95c5efa c673ca06 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/09 20:01 upstream da3ea35007d0 8f722c94 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/09 07:16 upstream 89f5e14d05b4 9750182a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/07 16:35 upstream b31c44928842 9750182a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/04 22:32 upstream c7fb1692dc01 dfbe2ed4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/09/04 14:36 upstream 88fac17500f4 9d47f20a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ext4_write_inline_data_end
2024/11/18 18:55 linux-next ae58226b89ac 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/11/18 16:47 linux-next ae58226b89ac 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/08/02 08:15 linux-next 931a3b3bccc9 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in ext4_write_inline_data_end
2024/04/20 00:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
* Struck through repros no longer work on HEAD.