syzbot

 sign-in | mailing list | source | docs
🐞 Open [964] ≡ Subsystems 🐞 Fixed [4563] 🐞 Invalid [10513] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

WARNING in hfsplus_ext_write_extent

Status: upstream: reported on 2022/11/28 10:03
Labels: hfs (incorrect?)
Reported-by: syzbot+41264293e62d9074e4a8@syzkaller.appspotmail.com
First crash: 187d, last: 9d15h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING in hfsplus_ext_write_extent 0 (1) 2022/11/28 10:03
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in hfsplus_ext_write_extent 1 34d 34d 0/3 upstream: reported on 2023/04/30 03:18

Sample crash report:
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 5333 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582
Modules linked in:
CPU: 0 PID: 5333 Comm: kworker/u4:7 Not tainted 6.4.0-rc3-syzkaller-00017-g9d646009f65d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:__mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582
Code: 04 28 84 c0 0f 85 82 08 00 00 83 3d f3 ee 9d 03 00 0f 85 00 e7 ff ff 48 c7 c7 60 79 ea 8a 48 c7 c6 00 7a ea 8a e8 d2 f2 9a f6 <0f> 0b e9 e6 e6 ff ff e8 d6 88 48 f6 e9 59 fb ff ff 0f 0b e9 bd f0
RSP: 0018:ffffc90005abf220 EFLAGS: 00010246
RAX: a477772d28eac500 RBX: 0000000000000000 RCX: ffff88807ebabb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90005abf3a0 R08: ffffffff815301a2 R09: fffff52000b57dbd
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000c10 CR3: 000000004276c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 hfsplus_ext_write_extent+0x8e/0x1f0 fs/hfsplus/extents.c:149
 hfsplus_write_inode+0x22/0x5e0 fs/hfsplus/super.c:154
 write_inode fs/fs-writeback.c:1456 [inline]
 __writeback_single_inode+0x69b/0xfa0 fs/fs-writeback.c:1668
 writeback_sb_inodes+0x8e3/0x11d0 fs/fs-writeback.c:1894
 wb_writeback+0x458/0xc70 fs/fs-writeback.c:2068
 wb_do_writeback fs/fs-writeback.c:2211 [inline]
 wb_workfn+0x400/0xff0 fs/fs-writeback.c:2251
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (25):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/24 19:20 upstream 9d646009f65d 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/05/19 22:12 upstream cbd6ac3837cd 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/04/24 16:37 upstream 457391b03803 fdc18293 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/03/16 06:11 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/03/02 07:41 upstream ee3f96b16468 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/02/11 12:56 upstream 420b2d431d18 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/02/09 04:00 upstream 0983f6bf2bfc 14a312c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2022/11/27 15:53 upstream faf68e3523c2 f4470a7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in hfsplus_ext_write_extent
2023/04/06 14:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59caa87f9dfb 08707520 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/02/09 17:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eaed33698e35 07980f9d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/02/05 00:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/02/04 23:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/02/03 05:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/01/04 21:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2023/01/03 21:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/30 18:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/30 05:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/29 08:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/24 23:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/23 18:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/16 23:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/15 09:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 6f9c033e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/12 07:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/12 02:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
2022/12/08 10:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1034e5fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hfsplus_ext_write_extent
* Struck through repros no longer work on HEAD.