syzbot

 sign-in | mailing list | source | docs
🐞 Open [661]
🐞 Fixed [66]
🐞 Invalid [761]
⬇ Missing Backports [81]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

kernel BUG in hfs_write_inode

Status: upstream: reported C repro on 2023/04/10 13:50
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+2b311dee7c3dadfc1a7e@syzkaller.appspotmail.com
First crash: 673d, last: 1h02m
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2024/04/20 upstream (ToT) 13a2e429f644 C [report] kernel BUG in hfs_write_inode
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in hfs_write_inode origin:upstream C 6020 7m 679d 0/3 upstream: reported C repro on 2023/04/04 07:01
linux-4.14 kernel BUG in hfs_write_inode hfs C 3 709d 801d 0/1 upstream: reported C repro on 2022/12/02 20:03
linux-4.19 kernel BUG in hfs_write_inode hfs C 24 707d 808d 0/1 upstream: reported C repro on 2022/11/26 01:52
upstream kernel BUG in hfs_write_inode hfs C error 56481 23m 809d 0/28 upstream: reported C repro on 2022/11/25 09:45

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:447!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0xeb0/0xec0 fs/hfs/inode.c:447
Code: ff e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 af 7b 85 ff e9 93 fb ff ff e8 65 09 fa 07 e8 20 9f 3b ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc900016df360 EFLAGS: 00010293
RAX: ffffffff8244e5c0 RBX: 0000000000000000 RCX: ffff888018ffd940
RDX: 0000000000000000 RSI: ffffffff8cce56e0 RDI: 0000000000000000
RBP: ffffc900016df4f0 R08: 0000000000000007 R09: ffffffff8244d86a
R10: 0000000000000003 R11: ffff888018ffd940 R12: 1ffff920002dbe70
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888022438e58
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007de52000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1495 [inline]
 __writeback_single_inode+0x644/0xe30 fs/fs-writeback.c:1705
 writeback_sb_inodes+0xbce/0x1a40 fs/fs-writeback.c:1930
 wb_writeback+0x451/0xc50 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x46c/0x1130 fs/fs-writeback.c:2288
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 488539bc8fd0497f ]---
RIP: 0010:hfs_write_inode+0xeb0/0xec0 fs/hfs/inode.c:447
Code: ff e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 af 7b 85 ff e9 93 fb ff ff e8 65 09 fa 07 e8 20 9f 3b ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc900016df360 EFLAGS: 00010293
RAX: ffffffff8244e5c0 RBX: 0000000000000000 RCX: ffff888018ffd940
RDX: 0000000000000000 RSI: ffffffff8cce56e0 RDI: 0000000000000000
RBP: ffffc900016df4f0 R08: 0000000000000007 R09: ffffffff8244d86a
R10: 0000000000000003 R11: ffff888018ffd940 R12: 1ffff920002dbe70
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888022438e58
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007de52000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (6267):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/24 06:40 linux-5.15.y 91786f140358 444551c4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2024/10/14 05:50 linux-5.15.y 3a5928702e71 084d8178 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2024/04/05 11:35 linux-5.15.y 9465fef4ae35 0ee3535e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/08 08:09 linux-5.15.y c16c81c81336 ef44b750 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2024/08/23 10:45 linux-5.15.y fa93fa65db6e ce8a9099 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2024/08/23 09:34 linux-5.15.y fa93fa65db6e ce8a9099 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2024/05/14 20:33 linux-5.15.y 284087d4f7d5 fdb4c10c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2024/04/14 03:18 linux-5.15.y fa3df276cd36 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2023/09/29 04:38 linux-5.15.y b911329317b4 d265efd8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2023/05/22 07:39 linux-5.15.y 9d6bde853685 4bce1a3e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2023/06/18 10:10 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/11 17:55 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/11 17:44 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/11 15:48 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/10 16:22 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/10 16:09 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/10 14:38 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/09 21:09 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/09 18:12 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/09 13:07 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/09 00:54 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/08 23:08 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 23:52 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 22:03 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 20:50 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 09:01 linux-5.15.y c16c81c81336 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 07:51 linux-5.15.y c16c81c81336 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/07 07:51 linux-5.15.y c16c81c81336 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 19:12 linux-5.15.y c16c81c81336 8002dd28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 18:03 linux-5.15.y c16c81c81336 8002dd28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 15:50 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 05:06 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 05:02 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/06 03:22 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
2025/02/11 18:56 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/10 17:43 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/10 06:36 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/10 05:44 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/10 02:46 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/10 01:15 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/09 22:44 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/09 15:48 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/09 04:01 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 09:59 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 07:31 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 07:19 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 05:08 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 04:43 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/08 00:51 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/07 16:03 linux-5.15.y c16c81c81336 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/07 10:43 linux-5.15.y c16c81c81336 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/06 20:34 linux-5.15.y c16c81c81336 8002dd28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/06 17:34 linux-5.15.y c16c81c81336 8002dd28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/06 12:50 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2025/02/06 06:26 linux-5.15.y c16c81c81336 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in hfs_write_inode
2023/04/10 13:50 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in hfs_write_inode
* Struck through repros no longer work on HEAD.