BUG: unable to handle page fault for address: ffffed11035786bc #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffcd067 P4D 7ffcd067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 12575 Comm: syz-executor.3 Not tainted 5.19.0-rc6-syzkaller-00115-g4a57a8400075 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:978 [inline] RIP: 0010:debug_check_no_obj_freed+0x101/0x420 lib/debugobjects.c:1020 Code: 03 00 00 48 8b 44 24 20 4c 8b 00 4d 85 c0 0f 84 59 02 00 00 49 bd 22 01 00 00 00 00 ad de 4c 89 c0 31 ed 48 c1 e8 03 41 89 ec <42> 80 3c 38 00 0f 85 d2 00 00 00 49 8d 78 18 41 83 c4 01 49 8b 28 RSP: 0018:ffffc90003dcfa00 EFLAGS: 00010806 RAX: 1ffff110035786bd RBX: ffff888024b12000 RCX: ffffffff815dfb50 RDX: 1ffffffff222995b RSI: 0000000000000004 RDI: ffffc90003dcf970 RBP: 0000000000000000 R08: ffff88801abc35e8 R09: 0000000000000003 R10: fffff520007b9f2e R11: 0000000000000001 R12: 0000000000000000 R13: dead000000000122 R14: dead000000000100 R15: dffffc00ffffffff FS: 00007fb12665f700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed11035786bc CR3: 000000001e16c000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kfree+0xd6/0x310 mm/slab.c:3795 mi_clear fs/ntfs3/ntfs_fs.h:1105 [inline] ni_clear+0x287/0x690 fs/ntfs3/frecord.c:132 evict+0x2ed/0x6b0 fs/inode.c:664 iput_final fs/inode.c:1744 [inline] iput.part.0+0x562/0x820 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 ntfs_fill_super+0x2d66/0x3730 fs/ntfs3/super.c:1180 get_tree_bdev+0x440/0x760 fs/super.c:1292 vfs_get_tree+0x89/0x2f0 fs/super.c:1497 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1320/0x1fa0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb12548a73a 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:00007fb12665ef88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb12548a73a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb12665efe0 RBP: 00007fb12665f020 R08: 00007fb12665f020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fb12665efe0 R15: 000000002007a980 Modules linked in: CR2: ffffed11035786bc ---[ end trace 0000000000000000 ]--- RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:978 [inline] RIP: 0010:debug_check_no_obj_freed+0x101/0x420 lib/debugobjects.c:1020 Code: 03 00 00 48 8b 44 24 20 4c 8b 00 4d 85 c0 0f 84 59 02 00 00 49 bd 22 01 00 00 00 00 ad de 4c 89 c0 31 ed 48 c1 e8 03 41 89 ec <42> 80 3c 38 00 0f 85 d2 00 00 00 49 8d 78 18 41 83 c4 01 49 8b 28 RSP: 0018:ffffc90003dcfa00 EFLAGS: 00010806 RAX: 1ffff110035786bd RBX: ffff888024b12000 RCX: ffffffff815dfb50 RDX: 1ffffffff222995b RSI: 0000000000000004 RDI: ffffc90003dcf970 RBP: 0000000000000000 R08: ffff88801abc35e8 R09: 0000000000000003 R10: fffff520007b9f2e R11: 0000000000000001 R12: 0000000000000000 R13: dead000000000122 R14: dead000000000100 R15: dffffc00ffffffff FS: 00007fb12665f700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed11035786bc CR3: 000000001e16c000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 03 00 add (%rax),%eax 2: 00 48 8b add %cl,-0x75(%rax) 5: 44 24 20 rex.R and $0x20,%al 8: 4c 8b 00 mov (%rax),%r8 b: 4d 85 c0 test %r8,%r8 e: 0f 84 59 02 00 00 je 0x26d 14: 49 bd 22 01 00 00 00 movabs $0xdead000000000122,%r13 1b: 00 ad de 1e: 4c 89 c0 mov %r8,%rax 21: 31 ed xor %ebp,%ebp 23: 48 c1 e8 03 shr $0x3,%rax 27: 41 89 ec mov %ebp,%r12d * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 0f 85 d2 00 00 00 jne 0x107 35: 49 8d 78 18 lea 0x18(%r8),%rdi 39: 41 83 c4 01 add $0x1,%r12d 3d: 49 8b 28 mov (%r8),%rbp