syzbot


WARNING: locking bug in hfsplus_delete_cat

Status: auto-obsoleted due to no activity on 2023/08/01 13:09
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+95214da0d40d4ec44f1c@syzkaller.appspotmail.com
First crash: 470d, last: 350d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING: locking bug in hfsplus_delete_cat 0 (1) 2022/12/05 08:02

Sample crash report:
loop2: detected capacity change from 0 to 1024
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 377 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4730 [inline]
WARNING: CPU: 1 PID: 377 at kernel/locking/lockdep.c:232 __lock_acquire+0xac1/0x1f80 kernel/locking/lockdep.c:5006
Modules linked in:
CPU: 1 PID: 377 Comm: syz-executor.2 Not tainted 6.3.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4730 [inline]
RIP: 0010:__lock_acquire+0xac1/0x1f80 kernel/locking/lockdep.c:5006
Code: 83 3d fa ac e9 0c 00 0f 85 58 fa ff ff 48 c7 c7 60 7b ea 8a 48 c7 c6 00 7e ea 8a e8 a9 5a e8 ff 48 ba 00 00 00 00 00 fc ff df <0f> 0b e9 34 fa ff ff e8 e3 82 c2 02 85 c0 0f 84 64 06 00 00 48 c7
RSP: 0018:ffffc9000b0af400 EFLAGS: 00010046
RAX: dcb5ce60a041ec00 RBX: 0000000000001230 RCX: 0000000000040000
RDX: dffffc0000000000 RSI: 0000000000009785 RDI: 0000000000009786
RBP: ffff888017b261dc R08: ffffffff81526c82 R09: fffff52001615df9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017b261f0
R13: ffff888017b257c0 R14: ffff888017b26290 R15: 1ffff11002f64c52
FS:  00007f5ceedc7700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ceedc8000 CR3: 0000000029cad000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 hfsplus_delete_cat+0x57e/0xfc0 fs/hfsplus/catalog.c:395
 hfsplus_fill_super+0x1582/0x1c90 fs/hfsplus/super.c:576
 mount_bdev+0x271/0x3a0 fs/super.c:1380
 legacy_get_tree+0xef/0x190 fs/fs_context.c:610
 vfs_get_tree+0x8c/0x270 fs/super.c:1510
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5cee08d62a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5ceedc6f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000000062d RCX: 00007f5cee08d62a
RDX: 0000000020000600 RSI: 0000000020000080 RDI: 00007f5ceedc6fe0
RBP: 00007f5ceedc7020 R08: 00007f5ceedc7020 R09: 0000000000a00010
R10: 0000000000a00010 R11: 0000000000000202 R12: 0000000020000600
R13: 0000000020000080 R14: 00007f5ceedc6fe0 R15: 00000000200000c0
 </TASK>

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/03 13:09 upstream 7e364e56293b 41147e3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING: locking bug in hfsplus_delete_cat
2023/03/20 16:32 upstream e8d018dd0257 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING: locking bug in hfsplus_delete_cat
2023/03/15 06:19 upstream 4979bf866825 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING: locking bug in hfsplus_delete_cat
2023/02/26 18:23 upstream 2fcd07b7ccd5 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING: locking bug in hfsplus_delete_cat
2023/02/15 20:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING: locking bug in hfsplus_delete_cat
2023/01/17 17:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 aedf5331 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING: locking bug in hfsplus_delete_cat
2023/01/13 14:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING: locking bug in hfsplus_delete_cat
2022/12/25 17:09 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: locking bug in hfsplus_delete_cat
2022/12/04 18:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING: locking bug in hfsplus_delete_cat
* Struck through repros no longer work on HEAD.