====================================================== WARNING: possible circular locking dependency detected 6.8.0-rc5-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/21595 is trying to acquire lock: ffff88804bddddc0 (mapping.invalidate_lock#13){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] ffff88804bddddc0 (mapping.invalidate_lock#13){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:225 but task is already holding lock: ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:165 [inline] ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5477 [inline] ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x32/0x2e0 mm/memory.c:5537 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&mm->mmap_lock){++++}-{3:3}: lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 __might_fault+0xc5/0x120 mm/memory.c:6060 _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+0x1a02/0x2b60 fs/ioctl.c:811 __do_sys_ioctl fs/ioctl.c:869 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:857 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 -> #1 (&ni->file.run_lock){++++}-{3:3}: lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526 attr_data_get_block+0x2e3/0x2e10 fs/ntfs3/attrib.c:902 ntfs_get_block_vbo+0x36a/0xd00 fs/ntfs3/inode.c:587 do_mpage_readpage+0x827/0x1c80 fs/mpage.c:232 mpage_readahead+0x44f/0x930 fs/mpage.c:381 read_pages+0x184/0x840 mm/readahead.c:160 page_cache_ra_unbounded+0x68e/0x7c0 mm/readahead.c:269 page_cache_sync_readahead include/linux/pagemap.h:1300 [inline] filemap_get_pages+0x49c/0x2090 mm/filemap.c:2498 filemap_read+0x41b/0xec0 mm/filemap.c:2594 __kernel_read+0x5c7/0xab0 fs/read_write.c:434 integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:221 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+0x554/0xb40 security/integrity/ima/ima_api.c:290 process_measurement+0x136d/0x21d0 security/integrity/ima/ima_main.c:359 ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:557 do_open fs/namei.c:3643 [inline] path_openat+0x28b6/0x3240 fs/namei.c:3798 do_filp_open+0x234/0x490 fs/namei.c:3825 do_sys_openat2+0x13e/0x1d0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1430 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 -> #0 (mapping.invalidate_lock#13){.+.+}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18ca/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:225 do_sync_mmap_readahead+0x444/0x850 filemap_fault+0x7c6/0x1680 mm/filemap.c:3245 __do_fault+0x135/0x460 mm/memory.c:4376 do_read_fault mm/memory.c:4738 [inline] do_fault mm/memory.c:4868 [inline] do_pte_missing mm/memory.c:3745 [inline] handle_pte_fault mm/memory.c:5144 [inline] __handle_mm_fault+0x49e6/0x72d0 mm/memory.c:5285 handle_mm_fault+0x27e/0x770 mm/memory.c:5450 do_user_addr_fault arch/x86/mm/fault.c:1415 [inline] handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x2ad/0x870 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 other info that might help us debug this: Chain exists of: mapping.invalidate_lock#13 --> &ni->file.run_lock --> &mm->mmap_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(&mm->mmap_lock); lock(&ni->file.run_lock); lock(&mm->mmap_lock); rlock(mapping.invalidate_lock#13); *** DEADLOCK *** 1 lock held by syz-executor.4/21595: #0: ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:165 [inline] #0: ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5477 [inline] #0: ffff88801536a7a0 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x32/0x2e0 mm/memory.c:5537 stack backtrace: CPU: 1 PID: 21595 Comm: syz-executor.4 Not tainted 6.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 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+0x18ca/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:225 do_sync_mmap_readahead+0x444/0x850 filemap_fault+0x7c6/0x1680 mm/filemap.c:3245 __do_fault+0x135/0x460 mm/memory.c:4376 do_read_fault mm/memory.c:4738 [inline] do_fault mm/memory.c:4868 [inline] do_pte_missing mm/memory.c:3745 [inline] handle_pte_fault mm/memory.c:5144 [inline] __handle_mm_fault+0x49e6/0x72d0 mm/memory.c:5285 handle_mm_fault+0x27e/0x770 mm/memory.c:5450 do_user_addr_fault arch/x86/mm/fault.c:1415 [inline] handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x2ad/0x870 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7fac40c29675 Code: 30 44 89 e0 90 85 c0 75 33 89 d8 44 29 c0 74 65 48 8b 57 28 48 3b 57 20 0f 84 8e 00 00 00 48 8b 4f 18 48 8d 72 01 48 89 77 28 <0f> b6 34 11 ba 08 00 00 00 39 d0 0f 4f c2 85 c0 74 cd 89 f1 41 0f RSP: 002b:00007fac3ffdd500 EFLAGS: 00010283 RAX: 000000000000000d RBX: 0000000000000010 RCX: 00000000200014c2 RDX: 000000000001cb3e RSI: 000000000001cb3f RDI: 00007fac3ffdd670 RBP: 0000000000000000 R08: 0000000000000003 R09: 00007fac3ffdd5f6 R10: 0000000000000000 R11: 00007fac3ffdd5d0 R12: 0000000000000002 R13: 0000000000000000 R14: 00007fac3ffdd5f6 R15: 00007fac3ffdd670