====================================================== WARNING: possible circular locking dependency detected 6.1.38-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/18898 is trying to acquire lock: ffff88807e660ca0 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] ffff88807e660ca0 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: filemap_fault+0x640/0x17e0 mm/filemap.c:3128 but task is already holding lock: ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5267 [inline] ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2e0 mm/memory.c:5329 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&mm->mmap_lock#2){++++}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 __might_fault+0xb2/0x110 mm/memory.c:5794 _copy_to_user+0x26/0x130 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:169 [inline] fiemap_fill_next_extent+0x231/0x410 fs/ioctl.c:144 ni_fiemap+0x9ae/0x1230 fs/ntfs3/frecord.c:2039 ntfs_fiemap+0x12e/0x170 fs/ntfs3/file.c:1245 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x18e9/0x2a90 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #1 (&ni->file.run_lock){.+.+}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_read+0x43/0x2e0 kernel/locking/rwsem.c:1520 attr_data_get_block+0x276/0x2520 fs/ntfs3/attrib.c:903 ntfs_get_block_vbo+0x373/0xe60 fs/ntfs3/inode.c:586 do_mpage_readpage+0x8d2/0x2040 fs/mpage.c:208 mpage_readahead+0x450/0x920 fs/mpage.c:361 read_pages+0x17f/0x830 mm/readahead.c:161 page_cache_ra_unbounded+0x68b/0x7b0 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1213 [inline] filemap_get_pages mm/filemap.c:2582 [inline] filemap_read+0x7fa/0x31d0 mm/filemap.c:2676 __kernel_read+0x41e/0x8a0 fs/read_write.c:428 integrity_kernel_read+0xac/0xf0 security/integrity/iint.c:199 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+0xa57/0x1c00 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x4d4/0x970 security/integrity/ima/ima_api.c:292 process_measurement+0x1018/0x1cf0 security/integrity/ima/ima_main.c:337 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:520 do_open fs/namei.c:3559 [inline] path_openat+0x2687/0x2e60 fs/namei.c:3714 do_filp_open+0x230/0x480 fs/namei.c:3741 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1345 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #0 (mapping.invalidate_lock#5){.+.+}-{3:3}: check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_read+0x43/0x2e0 kernel/locking/rwsem.c:1520 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x640/0x17e0 mm/filemap.c:3128 __do_fault+0x136/0x4f0 mm/memory.c:4224 do_shared_fault mm/memory.c:4630 [inline] do_fault mm/memory.c:4708 [inline] handle_pte_fault mm/memory.c:4976 [inline] __handle_mm_fault mm/memory.c:5118 [inline] handle_mm_fault+0x2240/0x5330 mm/memory.c:5239 do_user_addr_fault arch/x86/mm/fault.c:1380 [inline] handle_page_fault arch/x86/mm/fault.c:1471 [inline] exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 other info that might help us debug this: Chain exists of: mapping.invalidate_lock#5 --> &ni->file.run_lock --> &mm->mmap_lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_lock#2); lock(&ni->file.run_lock); lock(&mm->mmap_lock#2); lock(mapping.invalidate_lock#5); *** DEADLOCK *** 1 lock held by syz-executor.5/18898: #0: ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] #0: ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5267 [inline] #0: ffff888074d88158 (&mm->mmap_lock#2){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2e0 mm/memory.c:5329 stack backtrace: CPU: 0 PID: 18898 Comm: syz-executor.5 Not tainted 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2178 check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_read+0x43/0x2e0 kernel/locking/rwsem.c:1520 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x640/0x17e0 mm/filemap.c:3128 __do_fault+0x136/0x4f0 mm/memory.c:4224 do_shared_fault mm/memory.c:4630 [inline] do_fault mm/memory.c:4708 [inline] handle_pte_fault mm/memory.c:4976 [inline] __handle_mm_fault mm/memory.c:5118 [inline] handle_mm_fault+0x2240/0x5330 mm/memory.c:5239 do_user_addr_fault arch/x86/mm/fault.c:1380 [inline] handle_page_fault arch/x86/mm/fault.c:1471 [inline] exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f25fe25dbd8 Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5 RSP: 002b:00007ffd92243f68 EFLAGS: 00010246 RAX: 000000002001f1c0 RBX: 00007ffd92244078 RCX: 0030656c69662f2e RDX: 0000000000000008 RSI: 0030656c69662f2e RDI: 000000002001f1c0 RBP: 0000000000000001 R08: 00007f25fe200000 R09: 0000000000000053 R10: 0000000081327998 R11: 0000000000000246 R12: 00007f25fde1fe18 R13: fffffffffffffffe R14: 00007f25fde00000 R15: 00007f25fde1fe20