loop1: detected capacity change from 0 to 4096 ntfs3: loop1: Different NTFS' sector size (4096) and media sector size (512) ====================================================== WARNING: possible circular locking dependency detected 6.1.63-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/11777 is trying to acquire lock: ffff0001233e1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline] ffff0001233e1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_fallocate+0x604/0xd88 fs/ntfs3/file.c:650 but task is already holding lock: ffff0001233e1b60 (mapping.invalidate_lock#7){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] ffff0001233e1b60 (mapping.invalidate_lock#7){++++}-{3:3}, at: ntfs_fallocate+0x2fc/0xd88 fs/ntfs3/file.c:583 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (mapping.invalidate_lock#7){++++}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] page_cache_ra_unbounded+0xc8/0x58c mm/readahead.c:226 do_page_cache_ra mm/readahead.c:300 [inline] page_cache_ra_order+0x7fc/0x994 mm/readahead.c:560 do_sync_mmap_readahead+0x3a4/0x844 filemap_fault+0x604/0xf7c mm/filemap.c:3190 __do_fault+0x11c/0x3d8 mm/memory.c:4241 do_shared_fault mm/memory.c:4647 [inline] do_fault mm/memory.c:4725 [inline] handle_pte_fault mm/memory.c:4993 [inline] __handle_mm_fault mm/memory.c:5135 [inline] handle_mm_fault+0x18e4/0x3e9c mm/memory.c:5256 faultin_page mm/gup.c:1009 [inline] __get_user_pages+0x3b0/0x968 mm/gup.c:1233 __get_user_pages_locked mm/gup.c:1437 [inline] __gup_longterm_locked+0x210/0xf6c mm/gup.c:2132 pin_user_pages+0x8c/0xc4 mm/gup.c:3282 xdp_umem_pin_pages net/xdp/xdp_umem.c:105 [inline] xdp_umem_reg net/xdp/xdp_umem.c:218 [inline] xdp_umem_create+0x7bc/0xd6c net/xdp/xdp_umem.c:251 xsk_setsockopt+0x74c/0x9e4 net/xdp/xsk.c:1113 __sys_setsockopt+0x3a8/0x70c net/socket.c:2269 __do_sys_setsockopt net/socket.c:2280 [inline] __se_sys_setsockopt net/socket.c:2277 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #2 (&mm->mmap_lock){++++}-{3:3}: __might_fault+0xc4/0x124 mm/memory.c:5811 _copy_to_user include/linux/uaccess.h:143 [inline] copy_to_user include/linux/uaccess.h:169 [inline] fiemap_fill_next_extent+0x1b4/0x424 fs/ioctl.c:144 ni_fiemap+0x744/0xe10 fs/ntfs3/frecord.c:2045 ntfs_fiemap+0x110/0x168 fs/ntfs3/file.c:1245 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x194c/0x26f8 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #1 (&ni->file.run_lock){.+.+}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 ni_fiemap+0x2c4/0xe10 fs/ntfs3/frecord.c:1962 ntfs_fiemap+0x110/0x168 fs/ntfs3/file.c:1245 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x194c/0x26f8 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 (&ni->ni_lock/4){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3824 [inline] __lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5048 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5661 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline] ntfs_fallocate+0x604/0xd88 fs/ntfs3/file.c:650 vfs_fallocate+0x478/0x5b4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: &ni->ni_lock/4 --> &mm->mmap_lock --> mapping.invalidate_lock#7 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(mapping.invalidate_lock#7); lock(&mm->mmap_lock); lock(mapping.invalidate_lock#7); lock(&ni->ni_lock/4); *** DEADLOCK *** 3 locks held by syz-executor.1/11777: #0: ffff0000da664460 (sb_writers#26){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2950 [inline] #0: ffff0000da664460 (sb_writers#26){.+.+}-{0:0}, at: vfs_fallocate+0x404/0x5b4 fs/open.c:322 #1: ffff0001233e19c0 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff0001233e19c0 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: ntfs_fallocate+0x25c/0xd88 fs/ntfs3/file.c:569 #2: ffff0001233e1b60 (mapping.invalidate_lock#7){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #2: ffff0001233e1b60 (mapping.invalidate_lock#7){++++}-{3:3}, at: ntfs_fallocate+0x2fc/0xd88 fs/ntfs3/file.c:583 stack backtrace: CPU: 0 PID: 11777 Comm: syz-executor.1 Not tainted 6.1.63-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3824 [inline] __lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5048 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5661 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline] ntfs_fallocate+0x604/0xd88 fs/ntfs3/file.c:650 vfs_fallocate+0x478/0x5b4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585