ntfs3: loop0: failed to convert "076c" to cp949 ====================================================== WARNING: possible circular locking dependency detected 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0 Not tainted ------------------------------------------------------ syz-executor.0/5089 is trying to acquire lock: ffff888064b10860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline] ffff888064b10860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0xc0/0x210 fs/ntfs3/inode.c:714 but task is already holding lock: ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline] ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_create_folio mm/filemap.c:2451 [inline] ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_get_pages+0xb1d/0x2090 mm/filemap.c:2512 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (mapping.invalidate_lock#11){.+.+}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:850 [inline] filemap_fault+0x646/0x16a0 mm/filemap.c:3277 __do_fault+0x135/0x460 mm/memory.c:4531 do_read_fault mm/memory.c:4894 [inline] do_fault mm/memory.c:5024 [inline] do_pte_missing mm/memory.c:3880 [inline] handle_pte_fault mm/memory.c:5300 [inline] __handle_mm_fault+0x45fe/0x7250 mm/memory.c:5441 handle_mm_fault+0x27f/0x770 mm/memory.c:5606 do_user_addr_fault arch/x86/mm/fault.c:1331 [inline] handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x446/0x8a0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 -> #3 (&vma->vm_lock->lock){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 down_write+0x3a/0x50 kernel/locking/rwsem.c:1579 vma_start_write include/linux/mm.h:730 [inline] vma_link+0x2c6/0x550 mm/mmap.c:416 insert_vm_struct+0x1a3/0x260 mm/mmap.c:3339 __bprm_mm_init fs/exec.c:282 [inline] bprm_mm_init fs/exec.c:384 [inline] alloc_bprm+0x543/0xa00 fs/exec.c:1580 kernel_execve+0x99/0xa10 fs/exec.c:2004 try_to_run_init_process init/main.c:1373 [inline] kernel_init+0xe8/0x2b0 init/main.c:1500 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #2 (&mm->mmap_lock){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __might_fault+0xc6/0x120 mm/memory.c:6220 _copy_to_user+0x2a/0xb0 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:191 [inline] fiemap_fill_next_extent+0x235/0x410 fs/ioctl.c:145 ni_fiemap+0x9b2/0x1230 fs/ntfs3/frecord.c:2044 ntfs_fiemap+0x132/0x180 fs/ntfs3/file.c:1206 ioctl_fiemap fs/ioctl.c:220 [inline] do_vfs_ioctl+0x1c07/0x2e50 fs/ioctl.c:838 __do_sys_ioctl fs/ioctl.c:902 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&ni->file.run_lock#3){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 down_write+0x3a/0x50 kernel/locking/rwsem.c:1579 ntfs_truncate fs/ntfs3/file.c:395 [inline] ntfs3_setattr+0x6c3/0xb40 fs/ntfs3/file.c:703 notify_change+0xb9d/0xe70 fs/attr.c:497 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3300 [inline] do_open fs/namei.c:3646 [inline] path_openat+0x29fe/0x3240 fs/namei.c:3799 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ni->ni_lock/4){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline] ntfs_read_folio+0xc0/0x210 fs/ntfs3/inode.c:714 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2331 filemap_create_folio mm/filemap.c:2459 [inline] filemap_get_pages+0xdf8/0x2090 mm/filemap.c:2512 filemap_read+0x457/0xfa0 mm/filemap.c:2601 __kernel_read+0x5c8/0xab0 fs/read_write.c:434 integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:28 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0xadb/0x1b30 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x535/0xa90 security/integrity/ima/ima_api.c:291 process_measurement+0x13ac/0x1f60 security/integrity/ima/ima_main.c:359 ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:559 security_file_post_open+0x6d/0xa0 security/security.c:2981 do_open fs/namei.c:3644 [inline] path_openat+0x28b7/0x3240 fs/namei.c:3799 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: &ni->ni_lock/4 --> &vma->vm_lock->lock --> mapping.invalidate_lock#11 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(mapping.invalidate_lock#11); lock(&vma->vm_lock->lock); lock(mapping.invalidate_lock#11); lock(&ni->ni_lock/4); *** DEADLOCK *** 2 locks held by syz-executor.0/5089: #0: ffff888021828ab8 (&ima_iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x7d1/0x1f60 security/integrity/ima/ima_main.c:267 #1: ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline] #1: ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_create_folio mm/filemap.c:2451 [inline] #1: ffff888064b10ca0 (mapping.invalidate_lock#11){.+.+}-{3:3}, at: filemap_get_pages+0xb1d/0x2090 mm/filemap.c:2512 stack backtrace: CPU: 1 PID: 5089 Comm: syz-executor.0 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline] ntfs_read_folio+0xc0/0x210 fs/ntfs3/inode.c:714 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2331 filemap_create_folio mm/filemap.c:2459 [inline] filemap_get_pages+0xdf8/0x2090 mm/filemap.c:2512 filemap_read+0x457/0xfa0 mm/filemap.c:2601 __kernel_read+0x5c8/0xab0 fs/read_write.c:434 integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:28 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0xadb/0x1b30 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x535/0xa90 security/integrity/ima/ima_api.c:291 process_measurement+0x13ac/0x1f60 security/integrity/ima/ima_main.c:359 ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:559 security_file_post_open+0x6d/0xa0 security/security.c:2981 do_open fs/namei.c:3644 [inline] path_openat+0x28b7/0x3240 fs/namei.c:3799 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6aa007c960 Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 09 82 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 5c 82 02 00 8b 44 RSP: 002b:00007ffe2825acd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6aa007c960 RDX: 0000000000000000 RSI: 00007ffe2825ae00 RDI: 00000000ffffff9c RBP: 00007ffe2825ae00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffe2825bef0 R13: 00007f6aa00c9336 R14: 000055558aca9430 R15: 0000000000000010