F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop5): invalid crc value F2FS-fs (loop5): Mismatch valid blocks 1 vs. 13 ====================================================== WARNING: possible circular locking dependency detected 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Not tainted ------------------------------------------------------ syz-executor.5/3945 is trying to acquire lock: ffff0000c8888088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2213 [inline] ffff0000c8888088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_handle_error+0xe8/0x23c fs/f2fs/super.c:3926 but task is already holding lock: ffff00012d9f63b8 (&array[i].journal_rwsem){++++}-{3:3}, at: build_sit_entries+0xc70/0x172c fs/f2fs/segment.c:4450 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&array[i].journal_rwsem){++++}-{3:3}: down_read+0x5c/0x78 kernel/locking/rwsem.c:1509 scan_curseg_cache+0x8c/0x330 fs/f2fs/node.c:2404 __f2fs_build_free_nids fs/f2fs/node.c:2516 [inline] f2fs_build_free_nids+0xcc4/0xf14 fs/f2fs/node.c:2531 f2fs_build_node_manager+0x13ec/0x1b08 fs/f2fs/node.c:3316 f2fs_fill_super+0x4368/0x633c fs/f2fs/super.c:4334 mount_bdev+0x26c/0x368 fs/super.c:1359 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4608 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1489 do_new_mount+0x25c/0x8c8 fs/namespace.c:3145 path_mount+0x590/0xe58 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3674 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 -> #3 (&nm_i->nat_tree_lock){++++}-{3:3}: down_read+0x5c/0x78 kernel/locking/rwsem.c:1509 f2fs_down_read fs/f2fs/f2fs.h:2188 [inline] f2fs_get_node_info+0xd4/0xda4 fs/f2fs/node.c:564 f2fs_new_node_page+0x1dc/0xc6c fs/f2fs/node.c:1295 f2fs_get_dnode_of_data+0x610/0x1b6c fs/f2fs/node.c:810 f2fs_reserve_block+0x5c/0x210 fs/f2fs/data.c:1199 f2fs_get_new_data_page+0x154/0x9f0 fs/f2fs/data.c:1387 f2fs_add_regular_entry+0x4f4/0xe98 fs/f2fs/dir.c:754 f2fs_add_dentry fs/f2fs/dir.c:816 [inline] f2fs_do_add_link+0x26c/0x420 fs/f2fs/dir.c:855 f2fs_add_link fs/f2fs/f2fs.h:3564 [inline] f2fs_create+0x2c0/0x494 fs/f2fs/namei.c:363 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0xe6c/0x2578 fs/namei.c:3711 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 -> #2 (&sbi->cp_rwsem){++++}-{3:3}: down_read+0x5c/0x78 kernel/locking/rwsem.c:1509 f2fs_down_read fs/f2fs/f2fs.h:2188 [inline] f2fs_lock_op fs/f2fs/f2fs.h:2231 [inline] f2fs_convert_inline_inode+0x494/0x654 fs/f2fs/inline.c:219 f2fs_vm_page_mkwrite+0x24c/0x117c fs/f2fs/file.c:79 do_page_mkwrite+0x144/0x494 mm/memory.c:2943 do_shared_fault mm/memory.c:4582 [inline] do_fault mm/memory.c:4650 [inline] handle_pte_fault mm/memory.c:4934 [inline] __handle_mm_fault mm/memory.c:5076 [inline] handle_mm_fault+0x1854/0x3734 mm/memory.c:5222 __do_page_fault arch/arm64/mm/fault.c:512 [inline] do_page_fault+0x634/0xac4 arch/arm64/mm/fault.c:612 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:695 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:831 el0_da+0x70/0x184 arch/arm64/kernel/entry-common.c:515 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 -> #1 (&mm->mmap_lock){++++}-{3:3}: __might_fault+0xc4/0x124 mm/memory.c:5650 _copy_to_user include/linux/uaccess.h:143 [inline] copy_to_user include/linux/uaccess.h:169 [inline] f2fs_ioc_get_encryption_pwsalt fs/f2fs/file.c:2365 [inline] __f2fs_ioctl+0xa240/0xa984 fs/f2fs/file.c:4169 f2fs_ioctl+0x130/0x1a0 fs/f2fs/file.c:4242 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 -> #0 (&sbi->sb_lock){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3097 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain kernel/locking/lockdep.c:3831 [inline] __lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5055 lock_acquire+0x2e8/0x8c0 kernel/locking/lockdep.c:5668 down_write+0x5c/0x88 kernel/locking/rwsem.c:1562 f2fs_down_write fs/f2fs/f2fs.h:2213 [inline] f2fs_handle_error+0xe8/0x23c fs/f2fs/super.c:3926 check_block_count+0x2b0/0x3a0 build_sit_entries+0xde0/0x172c fs/f2fs/segment.c:4470 f2fs_build_segment_manager+0x1414/0x1e98 fs/f2fs/segment.c:5159 f2fs_fill_super+0x4330/0x633c fs/f2fs/super.c:4328 mount_bdev+0x26c/0x368 fs/super.c:1359 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4608 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1489 do_new_mount+0x25c/0x8c8 fs/namespace.c:3145 path_mount+0x590/0xe58 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3674 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 other info that might help us debug this: Chain exists of: &sbi->sb_lock --> &nm_i->nat_tree_lock --> &array[i].journal_rwsem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&array[i].journal_rwsem); lock(&nm_i->nat_tree_lock); lock(&array[i].journal_rwsem); lock(&sbi->sb_lock); *** DEADLOCK *** 2 locks held by syz-executor.5/3945: #0: ffff0000cc3b00e0 (&type->s_umount_key#62/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 #1: ffff00012d9f63b8 (&array[i].journal_rwsem){++++}-{3:3}, at: build_sit_entries+0xc70/0x172c fs/f2fs/segment.c:4450 stack backtrace: CPU: 1 PID: 3945 Comm: syz-executor.5 Not tainted 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 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+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2055 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2177 check_prev_add kernel/locking/lockdep.c:3097 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain kernel/locking/lockdep.c:3831 [inline] __lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5055 lock_acquire+0x2e8/0x8c0 kernel/locking/lockdep.c:5668 down_write+0x5c/0x88 kernel/locking/rwsem.c:1562 f2fs_down_write fs/f2fs/f2fs.h:2213 [inline] f2fs_handle_error+0xe8/0x23c fs/f2fs/super.c:3926 check_block_count+0x2b0/0x3a0 build_sit_entries+0xde0/0x172c fs/f2fs/segment.c:4470 f2fs_build_segment_manager+0x1414/0x1e98 fs/f2fs/segment.c:5159 f2fs_fill_super+0x4330/0x633c fs/f2fs/super.c:4328 mount_bdev+0x26c/0x368 fs/super.c:1359 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4608 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1489 do_new_mount+0x25c/0x8c8 fs/namespace.c:3145 path_mount+0x590/0xe58 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3674 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 F2FS-fs (loop5): Failed to initialize F2FS segment manager (-117)