syzbot


WARNING: ODEBUG bug in hfsplus_fill_super (3)

Status: moderation: reported on 2024/06/03 04:00
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+f4972c2c269fc92935f5@syzkaller.appspotmail.com
First crash: 16d, last: 1d09h
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in hfsplus_fill_super (2) hfs 1 454d 450d 0/27 auto-obsoleted due to no activity on 2023/06/17 03:45
upstream WARNING: ODEBUG bug in hfsplus_fill_super hfs C 1 2268d 2267d 5/27 fixed on 2018/06/07 13:52

Sample crash report:
------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88807b28c238 object type: timer_list hint: delayed_sync_fs+0x0/0xf0 fs/hfsplus/super.c:300
WARNING: CPU: 1 PID: 6512 at lib/debugobjects.c:514 debug_print_object+0x1a3/0x2b0 lib/debugobjects.c:514
Modules linked in:
CPU: 1 PID: 6512 Comm: syz-executor.3 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:debug_print_object+0x1a3/0x2b0 lib/debugobjects.c:514
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 48 8b 14 dd 40 44 90 8b 41 56 4c 89 e6 48 c7 c7 a0 37 90 8b e8 ee 89 c6 fc 90 <0f> 0b 90 90 58 83 05 f5 b7 5a 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc900144e76a8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffc9000a3a6000
RDX: 0000000000040000 RSI: ffffffff81514a46 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff8b903e40
R13: ffffffff8b2f3ca0 R14: ffffffff826bd1d0 R15: ffffc900144e77b8
FS:  00007fdd082666c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555855d8978 CR3: 00000000208d8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
 debug_check_no_obj_freed+0x4b8/0x600 lib/debugobjects.c:1019
 slab_free_hook mm/slub.c:2163 [inline]
 slab_free mm/slub.c:4437 [inline]
 kfree+0x284/0x3b0 mm/slub.c:4558
 hfsplus_fill_super+0xf44/0x1bc0 fs/hfsplus/super.c:618
 mount_bdev+0x1e6/0x2d0 fs/super.c:1659
 legacy_get_tree+0x10c/0x220 fs/fs_context.c:662
 vfs_get_tree+0x92/0x380 fs/super.c:1780
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd0747e5aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fdd08265ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdd08265f80 RCX: 00007fdd0747e5aa
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007fdd08265f40
RBP: 0000000020000000 R08: 00007fdd08265f80 R09: 0000000002000010
R10: 0000000002000010 R11: 0000000000000202 R12: 0000000020000080
R13: 00007fdd08265f40 R14: 00000000000006a6 R15: 0000000020000100
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/14 07:44 upstream 2ccbdf43d5e7 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING: ODEBUG bug in hfsplus_fill_super
2024/05/30 03:54 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING: ODEBUG bug in hfsplus_fill_super
* Struck through repros no longer work on HEAD.