=========================
WARNING: held lock freed!
6.9.0-syzkaller-07726-g3c999d1ae3c7 #0 Not tainted
-------------------------
syz-executor.2/6883 is freeing memory ffff888000252098-ffff888000252127, with a lock still held there!
ffff8880002520e0 (&type->s_umount_key#83/1){+.+.}-{3:3}, at: alloc_super+0x23d/0xbd0 fs/super.c:343
1 lock held by syz-executor.2/6883:
#0: ffff8880002520e0 (&type->s_umount_key#83/1){+.+.}-{3:3}, at: alloc_super+0x23d/0xbd0 fs/super.c:343
stack backtrace:
CPU: 1 PID: 6883 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-07726-g3c999d1ae3c7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
print_freed_lock_bug kernel/locking/lockdep.c:6538 [inline]
debug_check_no_locks_freed+0x203/0x2a0 kernel/locking/lockdep.c:6571
debug_mutex_init+0x1b/0x70 kernel/locking/mutex-debug.c:86
ntfs_alloc_inode+0x5b/0x70 fs/ntfs3/super.c:569
alloc_inode+0x5d/0x230 fs/inode.c:261
iget5_locked fs/inode.c:1235 [inline]
iget5_locked+0x1c9/0x2c0 fs/inode.c:1228
ntfs_iget5+0xd2/0x3810 fs/ntfs3/inode.c:531
ntfs_fill_super+0x3afe/0x4450 fs/ntfs3/super.c:1562
get_tree_bdev+0x36f/0x610 fs/super.c:1614
vfs_get_tree+0x8f/0x380 fs/super.c:1779
do_new_mount fs/namespace.c:3352 [inline]
path_mount+0x6e1/0x1f10 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]
__ia32_sys_mount+0x295/0x320 fs/namespace.c:3875
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7287579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5e79400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000f5e79460 RCX: 0000000020000080
RDX: 0000000020000040 RSI: 0000000000000000 RDI: 00000000f5e794a0
RBP: 00000000f5e79460 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
ntfs3: loop2: try to read out of volume at offset 0x5400
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 6883 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-07726-g3c999d1ae3c7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:iput_final fs/inode.c:1710 [inline]
RIP: 0010:iput.part.0+0x38c/0x7f0 fs/inode.c:1767
Code: 8a ff 48 8b 44 24 10 48 85 c0 0f 85 f5 02 00 00 e8 39 d6 8a ff 49 8d 7e 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d4 03 00 00 49 8b 46 28 48 85 c0 48 89 44 24 10
RSP: 0018:ffffc90003f578a0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888000252250 RCX: ffffc90022d64000
RDX: 0000000000000005 RSI: ffffffff8203add7 RDI: 0000000000000028
RBP: ffff888000252458 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 6c203a337366746e R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888000252328
FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5e79b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c001a14020 CR3: 0000000011af2000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
iput+0x5c/0x80 fs/inode.c:1757
ntfs_read_mft fs/ntfs3/inode.c:502 [inline]
ntfs_iget5+0x696/0x3810 fs/ntfs3/inode.c:538
ntfs_fill_super+0x3afe/0x4450 fs/ntfs3/super.c:1562
get_tree_bdev+0x36f/0x610 fs/super.c:1614
vfs_get_tree+0x8f/0x380 fs/super.c:1779
do_new_mount fs/namespace.c:3352 [inline]
path_mount+0x6e1/0x1f10 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]
__ia32_sys_mount+0x295/0x320 fs/namespace.c:3875
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7287579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5e79400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000f5e79460 RCX: 0000000020000080
RDX: 0000000020000040 RSI: 0000000000000000 RDI: 00000000f5e794a0
RBP: 00000000f5e79460 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iput_final fs/inode.c:1710 [inline]
RIP: 0010:iput.part.0+0x38c/0x7f0 fs/inode.c:1767
Code: 8a ff 48 8b 44 24 10 48 85 c0 0f 85 f5 02 00 00 e8 39 d6 8a ff 49 8d 7e 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d4 03 00 00 49 8b 46 28 48 85 c0 48 89 44 24 10
RSP: 0018:ffffc90003f578a0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888000252250 RCX: ffffc90022d64000
RDX: 0000000000000005 RSI: ffffffff8203add7 RDI: 0000000000000028
RBP: ffff888000252458 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 6c203a337366746e R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888000252328
FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5e79b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c001a14020 CR3: 0000000011af2000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi