syzbot


kernel panic: stack is corrupted in debug_object_activate

Status: moderation: reported on 2024/10/08 10:02
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+f3a900a0c0cae5dbc1da@syzkaller.appspotmail.com
First crash: 29d, last: 21d

Sample crash report:
loop0: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 4096
ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: debug_object_activate+0x510/0x510
CPU: 0 UID: 0 PID: 5111 Comm: syz.0.0 Not tainted 6.12.0-rc2-syzkaller-00291-g09f6b0c8904b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 panic+0x349/0x880 kernel/panic.c:354
 __stack_chk_fail+0x15/0x20 kernel/panic.c:836
 debug_object_activate+0x510/0x510
 debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline]
 __call_rcu_common kernel/rcu/tree.c:3071 [inline]
 call_rcu+0x97/0xa70 kernel/rcu/tree.c:3190
 destroy_inode fs/inode.c:320 [inline]
 evict+0x83c/0x9b0 fs/inode.c:756
 ntfs_fill_super+0x3e27/0x4730 fs/ntfs3/super.c:1472
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f014b77f79a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f014c501e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f014c501ef0 RCX: 00007f014b77f79a
RDX: 000000002001f340 RSI: 000000002001f380 RDI: 00007f014c501eb0
RBP: 000000002001f340 R08: 00007f014c501ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001f380
R13: 00007f014c501eb0 R14: 000000000001f329 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/12 21:18 upstream 09f6b0c8904b 084d8178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel panic: stack is corrupted in debug_object_activate
2024/10/04 10:00 upstream 3840cbe24cf0 d7906eff .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel panic: stack is corrupted in debug_object_activate
* Struck through repros no longer work on HEAD.