syzbot

 sign-in | mailing list | source | docs
🐞 Open [1032] ≡ Subsystems 🐞 Fixed [5263] 🐞 Invalid [12582] ⬇ Missing Backports [85] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

WARNING in hfs_bnode_create

Status: upstream: reported C repro on 2018/04/04 03:02
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+a19ca73b21fe8bc69101@syzkaller.appspotmail.com
First crash: 2224d, last: 11h57m
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: no output from test machine (log)
Repro: C syz .config
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly hfs report (Aug 2023) 0 (1) 2023/08/30 09:53
[syzbot] Monthly hfs report (Jul 2023) 0 (1) 2023/07/30 13:17
[syzbot] Monthly hfs report (Jun 2023) 0 (1) 2023/06/29 08:55
[syzbot] Monthly hfs report (May 2023) 0 (1) 2023/05/30 08:18
[syzbot] Monthly hfs report (Apr 2023) 0 (1) 2023/04/27 13:32
WARNING in hfs_bnode_create 0 (1) 2018/04/04 03:02
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in hfs_bnode_create hfs C 16 431d 527d 0/1 upstream: reported C repro on 2022/11/26 06:17
linux-5.15 WARNING in hfs_bnode_create origin:upstream C error 34 9h20m 398d 0/3 upstream: reported C repro on 2023/04/04 01:35
linux-6.1 WARNING in hfs_bnode_create origin:upstream C 43 7d22h 399d 0/3 upstream: reported C repro on 2023/04/02 22:27
linux-4.14 WARNING in hfs_bnode_create C 2 431d 513d 0/1 upstream: reported C repro on 2022/12/10 13:46
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2022/09/27 06:30 11m retest repro upstream error OK
2022/04/09 19:20 5m phil@philpotter.co.uk upstream error OK
▶ ▼ Fix bisection attempts (16)
Created Duration User Patch Repo Result
2021/03/01 06:11 0m bisect fix upstream error job log (0)
2021/02/06 14:30 0m bisect fix upstream error job log (0)
2021/01/07 13:57 15m bisect fix upstream job log (0) log
2020/12/07 12:31 15m bisect fix upstream job log (0) log
2020/11/07 02:58 14m bisect fix upstream job log (0) log
2020/10/07 05:29 15m bisect fix upstream job log (0) log
2020/08/27 04:11 14m bisect fix upstream job log (0) log
2020/07/26 15:20 15m bisect fix upstream job log (0) log
2020/06/15 21:45 16m bisect fix upstream job log (0) log
2020/05/16 16:34 15m bisect fix upstream job log (0) log
2020/04/16 15:36 16m bisect fix upstream job log (0) log
2020/03/17 01:39 17m bisect fix upstream job log (0) log
2020/02/12 03:27 17m bisect fix upstream job log (0) log
2020/01/13 01:49 16m bisect fix upstream job log (0) log
2019/12/11 07:31 16m bisect fix upstream job log (0) log
2019/08/01 05:33 18m bisect fix upstream job log (0) log

Sample crash report:
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 34 at fs/hfs/bnode.c:422 hfs_bnode_create+0x3b6/0x440 fs/hfs/bnode.c:422
Modules linked in:
CPU: 1 PID: 34 Comm: kworker/u8:2 Not tainted 6.9.0-rc6-syzkaller-00053-g0106679839f7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_bnode_create+0x3b6/0x440 fs/hfs/bnode.c:422
Code: 44 89 e6 e8 5c f1 f5 08 e9 78 fd ff ff e8 f2 79 17 ff 4c 89 ff e8 3a be 03 09 48 c7 c7 20 4b e1 8b 44 89 e6 e8 3b f1 f5 08 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48
RSP: 0018:ffffc90000aa6c58 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888018e96400 RCX: 723cfab6a6b28a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8176b74c R09: 1ffff92000154d2c
R10: dffffc0000000000 R11: fffff52000154d2d R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888024358000 R15: ffff8880243580e0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa79e3e130 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5a6/0x650 fs/hfs/btree.c:291
 hfs_btree_inc_height+0x11e/0xd20 fs/hfs/brec.c:471
 hfs_brec_insert+0x723/0xbd0 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x2f2/0x4f0 fs/hfs/extent.c:124
 hfs_ext_write_extent+0x154/0x1d0 fs/hfs/extent.c:144
 hfs_write_inode+0xbc/0xec0 fs/hfs/inode.c:427
 write_inode fs/fs-writeback.c:1498 [inline]
 __writeback_single_inode+0x6b9/0x10b0 fs/fs-writeback.c:1715
 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941
 wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117
 wb_do_writeback fs/fs-writeback.c:2264 [inline]
 wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (821):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/02 01:25 upstream 0106679839f7 3ba885bc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/22 06:29 upstream 3b68086599f8 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2024/03/23 08:23 upstream fe46a7dd189e 0ea90952 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2023/12/16 16:39 upstream 3bd7d7488169 3222d10c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in hfs_bnode_create
2023/12/05 15:50 upstream bee0e7762ad2 f819d6f7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in hfs_bnode_create
2023/09/15 06:57 upstream 9fdfb15a3dbf 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2024/03/20 03:26 upstream 78c3925c048c a485f239 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in hfs_bnode_create
2023/06/22 20:41 upstream dad9774deaf1 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in hfs_bnode_create
2023/06/15 21:51 upstream b6dad5178cea 757d26ed .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in hfs_bnode_create
2023/06/14 14:08 upstream b6dad5178cea d2ee9228 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in hfs_bnode_create
2023/05/21 13:14 upstream 0dd2a6fb1e34 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2023/05/14 18:16 upstream bb7c241fae62 2b9ba477 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2023/04/29 23:26 upstream 1ae78a14516b 62df2017 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2023/03/24 06:12 upstream 9fd6ba5420ba f94b4a29 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2023/03/19 16:14 upstream a3671bd86a97 7939252e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2022/12/12 23:02 upstream 830b3c68c1fb 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in hfs_bnode_create
2022/12/10 14:35 upstream 3ecc37918c80 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2022/11/27 18:44 upstream faf68e3523c2 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2022/11/25 15:29 upstream c3eb11fbb826 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in hfs_bnode_create
2022/11/25 13:42 upstream 08ad43d554ba 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in hfs_bnode_create
2024/03/23 08:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 0ea90952 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in hfs_bnode_create
2023/11/17 06:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in hfs_bnode_create
2023/08/02 08:44 linux-next 626c67169f99 df07ffe8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in hfs_bnode_create
2023/01/09 23:58 linux-next 543b9b2fe10b 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in hfs_bnode_create
2023/01/07 12:21 linux-next cc3c08b41a9c 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in hfs_bnode_create
2023/05/14 18:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in hfs_bnode_create
2022/12/10 17:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in hfs_bnode_create
2022/11/27 11:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 74a66371 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in hfs_bnode_create
2018/04/04 01:26 upstream f2d285669aae 676bd07e .config console log report syz C ci-upstream-kasan-gce-root
2024/05/06 06:57 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/06 01:34 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/05 14:53 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/05 03:48 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hfs_bnode_create
2024/05/04 07:59 upstream ddb4c3f25b7b 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/04 05:45 upstream ddb4c3f25b7b 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/03 21:11 upstream f03359bca01b dd26401e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/03 07:41 upstream 49a73b1652c5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hfs_bnode_create
2024/05/02 07:17 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/02 04:20 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/01 22:25 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/01 17:10 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/01 07:07 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/05/01 03:49 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/30 23:17 upstream 98369dccd2f8 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/30 19:01 upstream 98369dccd2f8 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/30 07:44 upstream b947cc5bf6d7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/30 05:56 upstream b947cc5bf6d7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/30 01:32 upstream b947cc5bf6d7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/29 23:47 upstream b947cc5bf6d7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/29 19:20 upstream b947cc5bf6d7 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/29 17:21 upstream e67572cd2204 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in hfs_bnode_create
2024/04/29 13:53 upstream e67572cd2204 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/29 10:46 upstream e67572cd2204 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/29 05:24 upstream e67572cd2204 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/28 23:31 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2024/04/28 21:37 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/28 20:07 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2024/04/28 17:16 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/28 03:56 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2024/04/28 02:15 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/28 00:45 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/27 22:23 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 20:40 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 16:14 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 14:44 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 13:14 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 08:14 upstream c942a0cd3603 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 04:38 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/26 02:10 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/25 19:46 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/25 16:07 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/25 12:31 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/24 22:22 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfs_bnode_create
2024/04/24 10:48 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hfs_bnode_create
2024/03/07 00:58 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in hfs_bnode_create
2024/04/06 17:55 upstream 6c6e47d69d82 ca620dd8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hfs_bnode_create
2024/04/18 14:11 upstream 8cd26fd90c1a af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hfs_bnode_create
2024/04/29 00:09 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in hfs_bnode_create
2024/04/21 12:04 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 WARNING in hfs_bnode_create
* Struck through repros no longer work on HEAD.