syzbot

 sign-in | mailing list | source | docs
🐞 Open [1009] ≡ Subsystems 🐞 Fixed [4886] 🐞 Invalid [11687] ⬇ Missing Backports [77] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

kernel BUG in ext4_write_inline_data_end

Status: upstream: reported C repro on 2023/03/02 15:48
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+198e7455f3a4f38b838a@syzkaller.appspotmail.com
First crash: 287d, last: 5d23h
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly ext4 report (Dec 2023) 0 (1) 2023/12/10 10:05
[syzbot] Monthly ext4 report (Nov 2023) 0 (1) 2023/11/08 23:44
[syzbot] Monthly ext4 report (Sep 2023) 0 (1) 2023/09/07 09:25
[syzbot] Monthly ext4 report (Aug 2023) 0 (1) 2023/08/07 07:27
[syzbot] Monthly ext4 report (Jul 2023) 0 (1) 2023/07/06 14:18
[syzbot] [ext4?] kernel BUG in ext4_write_inline_data_end 0 (1) 2023/03/02 15:48
▶ ▼ Similar bugs (12)
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 329d 1152d 24/25 fixed on 2023/02/24 13:50
android-54 kernel BUG in ext4_write_inline_data_end C 4 513d 647d 2/2 fixed on 2022/09/27 22:24
android-5-10 kernel BUG in ext4_write_inline_data_end C error 3 580d 647d 0/2 closed as dup on 2022/03/04 15:25
android-5-15 kernel BUG in ext4_write_inline_data_end (2) origin:lts C 5 12d 77d 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 12 25d 531d 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 32 23d 273d 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 1 12d 27d 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 371d 432d 2/2 fixed on 2023/02/02 00:40
linux-4.19 kernel BUG in ext4_write_inline_data_end ext4 C error 12 283d 1029d 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 2 66d 195d 0/3 upstream: reported C repro on 2023/05/30 10:48
android-54 kernel BUG in ext4_write_inline_data_end (2) ext4 syz 4 1d22h 319d 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 369d 955d 0/1 upstream: reported C repro on 2021/04/30 02:18
▶ ▼ Last patch testing requests (17)
Created Duration User Patch Repo Result
2023/11/25 17:46 25m retest repro upstream report log
2023/11/25 17:55 21m retest repro upstream report log
2023/11/25 17:46 37m retest repro upstream report log
2023/11/25 17:55 14m retest repro upstream report log
2023/09/27 02:09 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/12 23:07 16m retest repro upstream report log
2023/09/12 23:07 23m retest repro upstream OK log
2023/09/12 23:07 14m retest repro upstream report log
2023/09/12 23:07 24m retest repro upstream OK log
2023/09/12 23:07 27m retest repro upstream report log
2023/07/03 02:27 40m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
2023/07/02 20:11 15m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev error OK
2023/07/01 23:33 17m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
2023/07/01 17:05 2h41m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
2023/07/01 03:15 14m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
2023/06/30 20:41 14m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
2023/06/30 05:28 14m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/10/16 05:06 2h26m bisect fix upstream job log (0) log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:235!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7489 Comm: syz-executor251 Not tainted 6.6.0-syzkaller-14142-g90b0c2b2edd1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:235 [inline]
RIP: 0010:ext4_write_inline_data_end+0xe93/0x1010 fs/ext4/inline.c:774
Code: 00 00 31 ff e8 9e 90 4b ff 48 89 d8 48 25 ff 0f 00 00 74 6e e8 4e 8c 4b ff e9 1e f8 ff ff e8 44 8c 4b ff 0f 0b e8 3d 8c 4b ff <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 a9 af a7 ff 48 c1
RSP: 0018:ffffc9000c27f840 EFLAGS: 00010293
RAX: ffffffff82435fc3 RBX: 000000000000003c RCX: ffff888026289dc0
RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000000084c
RBP: ffffc9000c27f968 R08: ffffffff82435529 R09: 1ffff1100dcf6470
R10: dffffc0000000000 R11: ffffed100dcf6471 R12: ffff88806cac6c6a
R13: 000000000000000c R14: 000000000000084c R15: 0000000000000ff4
FS:  00007f8c5f3da6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202b6000 CR3: 0000000019f52000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_perform_write+0x419/0x630 mm/filemap.c:3929
 ext4_buffered_write_iter+0xc6/0x350 fs/ext4/file.c:299
 ext4_file_write_iter+0x1dc/0x19b0
 call_write_iter include/linux/fs.h:2020 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x792/0xb20 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f8c5fc4a799
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 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:00007f8c5f3da168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8c5fccc6f8 RCX: 00007f8c5fc4a799
RDX: 000000000208e24b RSI: 00000000200007c0 RDI: 0000000000000005
RBP: 00007f8c5fccc6f0 R08: 00007fff556ccc77 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c5fccc6fc
R13: 000000000000006e R14: 00007fff556ccb90 R15: 00007fff556ccc78
 </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+0xe93/0x1010 fs/ext4/inline.c:774
Code: 00 00 31 ff e8 9e 90 4b ff 48 89 d8 48 25 ff 0f 00 00 74 6e e8 4e 8c 4b ff e9 1e f8 ff ff e8 44 8c 4b ff 0f 0b e8 3d 8c 4b ff <0f> 0b 48 8b 5c 24 18 48 89 df be 08 00 00 00 e8 a9 af a7 ff 48 c1
RSP: 0018:ffffc9000c27f840 EFLAGS: 00010293
RAX: ffffffff82435fc3 RBX: 000000000000003c RCX: ffff888026289dc0
RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000000084c
RBP: ffffc9000c27f968 R08: ffffffff82435529 R09: 1ffff1100dcf6470
R10: dffffc0000000000 R11: ffffed100dcf6471 R12: ffff88806cac6c6a
R13: 000000000000000c R14: 000000000000084c R15: 0000000000000ff4
FS:  00007f8c5f3da6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff5574d9d0 CR3: 0000000019f52000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (32):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/04 19:05 upstream 90b0c2b2edd1 500bfdc4 .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
2023/06/19 06:25 upstream 8c1f0c38b310 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in ext4_write_inline_data_end
2023/05/07 12:50 upstream fc4354c6e5c2 90c93c40 .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
2023/05/07 04:02 upstream 994e2419f1e7 90c93c40 .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
2023/03/30 04:02 upstream ffe78bbd5121 f325deb0 .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
2023/02/26 15:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d ee50e71c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
2023/12/05 12:00 upstream bee0e7762ad2 f819d6f7 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/23 07:59 upstream 8a28a0b6f1a1 09ffe269 .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
2023/06/17 12:46 upstream 1639fae5132b f3921d4d .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
2023/11/04 17:08 upstream 90b0c2b2edd1 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/08/14 16:33 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/08/14 08:01 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/07/31 12:47 upstream 5d0c230f1de8 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/07/15 03:44 upstream bde7f150276b 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/06/26 15:00 upstream 6995e2de6891 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/06/24 04:11 upstream 61dabacdad4e 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/21 23:53 upstream dad9774deaf1 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/20 09:10 upstream 692b7dc87ca6 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/19 17:13 upstream 45a3e24f65e9 d521bc56 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/12 12:32 upstream 858fd168a95c 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/12 00:36 upstream 4c605260bc60 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/11 20:17 upstream 4c605260bc60 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/11 14:41 upstream 022ce8862dff 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/10 00:54 upstream 64569520920a 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/08 21:12 upstream 25041a4c02c7 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/04 19:12 upstream 9561de3a55be a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in ext4_write_inline_data_end
2023/06/04 02:19 upstream 51f269a6ecc7 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ext4_write_inline_data_end
2023/11/11 17:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
2023/04/26 20:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 19a3dabe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
2023/04/18 13:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 327bf9bb94cf 436577a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
2023/04/17 19:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 327bf9bb94cf c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ext4_write_inline_data_end
2023/04/15 18:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1f5b16c51aef ec410564 .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.