WARNING: nested lock was not taken in ntfs_fill

Date	Name	Commit	Repro	Result
2025/05/17	upstream (ToT)	5723cc3450bc	C	[report] KASAN: out-of-bounds Write in end_buffer_read_sync

Date

Name

Commit

Repro

Result

2025/05/17

upstream (ToT)

5723cc3450bc

[report] KASAN: out-of-bounds Write in end_buffer_read_sync

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING: nested lock was not taken in ntfs_fill_super ntfs3	4	syz	done	error	3	1000d	1033d	0/29	auto-obsoleted due to no activity on 2023/05/14 07:02
upstream	WARNING: nested lock was not taken in ntfs_fill_super (2) ntfs3	4				1	578d	571d	0/29	auto-obsoleted due to no activity on 2024/04/02 07:26
upstream	WARNING: nested lock was not taken in ntfs_fill_super (3) ntfs3	4	syz	error	error	3	227d	244d	0/29	auto-obsoleted due to no activity on 2025/06/14 10:19

Created	Duration	User	Patch	Repo	Result
2025/05/26 08:27	18m	retest repro		linux-5.15.y	report log

Created

Duration

User

Patch

Repo

Result

2025/05/26 08:27

18m

retest repro

linux-5.15.y

report log

loop2: detected capacity change from 0 to 4096 ntfs3: loop2: Different NTFS' sector size (2048) and media sector size (512) ================================== WARNING: Nested lock was not taken 5.15.182-syzkaller #0 Not tainted ---------------------------------- syz.2.184/4695 is trying to lock: ffff888068e8b690 (&sb->s_type->i_lock_key#35){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline] ffff888068e8b690 (&sb->s_type->i_lock_key#35){+.+.}-{2:2}, at: _atomic_dec_and_lock+0xa5/0x110 lib/dec_and_lock.c:28 but this task is not holding: general protection fault, probably for non-canonical address 0xdffffc0020000002: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000100000010-0x0000000100000017] CPU: 1 PID: 4695 Comm: syz.2.184 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:print_lock_nested_lock_not_held kernel/locking/lockdep.c:4844 [inline] RIP: 0010:__lock_acquire+0x11d4/0x7c60 kernel/locking/lockdep.c:5003 Code: 48 8b 9c 24 a8 00 00 00 74 12 48 89 df e8 d4 38 61 00 48 b9 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 <80> 3c 08 00 74 08 48 89 df e8 ae 38 61 00 48 8b 33 48 c7 c7 20 3b RSP: 0018:ffffc90004f9f720 EFLAGS: 00010003 RAX: 0000000020000002 RBX: 0000000100000017 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc90004f9f970 R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: 000000000004092a R13: ffff888022fc3b80 R14: ffff888022fc4698 R15: c5c99e871fce886c FS: 00007efd49f576c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000001b000 CR3: 000000002370e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] _atomic_dec_and_lock+0xa5/0x110 lib/dec_and_lock.c:28 iput+0x7e/0x8a0 fs/inode.c:1787 ntfs_fill_super+0x355c/0x3c10 fs/ntfs3/super.c:1185 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7efd4ace910a 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:00007efd49f56e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007efd49f56ef0 RCX: 00007efd4ace910a RDX: 000020000001f340 RSI: 0000200000000040 RDI: 00007efd49f56eb0 RBP: 000020000001f340 R08: 00007efd49f56ef0 R09: 0000000000000890 R10: 0000000000000890 R11: 0000000000000246 R12: 0000200000000040 R13: 00007efd49f56eb0 R14: 000000000001f331 R15: 0000200000000000 </TASK> Modules linked in: ---[ end trace f2091f24b08d7822 ]--- RIP: 0010:print_lock_nested_lock_not_held kernel/locking/lockdep.c:4844 [inline] RIP: 0010:__lock_acquire+0x11d4/0x7c60 kernel/locking/lockdep.c:5003 Code: 48 8b 9c 24 a8 00 00 00 74 12 48 89 df e8 d4 38 61 00 48 b9 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 <80> 3c 08 00 74 08 48 89 df e8 ae 38 61 00 48 8b 33 48 c7 c7 20 3b RSP: 0018:ffffc90004f9f720 EFLAGS: 00010003 RAX: 0000000020000002 RBX: 0000000100000017 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc90004f9f970 R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: 000000000004092a R13: ffff888022fc3b80 R14: ffff888022fc4698 R15: c5c99e871fce886c FS: 00007efd49f576c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000001b000 CR3: 000000002370e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 8b 9c 24 a8 00 00 mov 0xa8(%rsp),%rbx 7: 00 8: 74 12 je 0x1c a: 48 89 df mov %rbx,%rdi d: e8 d4 38 61 00 call 0x6138e6 12: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 19: fc ff df 1c: 48 8b 1b mov (%rbx),%rbx 1f: 48 83 c3 18 add $0x18,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 ae 38 61 00 call 0x6138e6 38: 48 8b 33 mov (%rbx),%rsi 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: c7 (bad) 3e: 20 3b and %bh,(%rbx)

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/05/10 22:49	linux-5.15.y	3b8db0e4f263	77908e5f	.config	console log	report	syz / log			[disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (corrupt fs)]	ci2-linux-5-15-kasan	WARNING: nested lock was not taken in ntfs_fill_super
2025/04/27 22:43	linux-5.15.y	f7347f400572	c6b4fb39	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	WARNING: nested lock was not taken in ntfs_fill_super

Crashes (2):

Assets (help?)