bond0: option ad_user_port_key: mode dependency failed, not supported in mode balance-rr(0) ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.2.413/6977 is trying to acquire lock: ffff8880569c3f60 ( &oi->ip_alloc_sem){++++}-{3:3}, at: ocfs2_read_virt_blocks+0x23f/0x8a0 fs/ocfs2/extent_map.c:984 but task is already holding lock: ffff888026876990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1312/0x15a0 fs/jbd2/transaction.c:462 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (jbd2_handle){++++}-{0:0}: start_this_handle+0x1338/0x15a0 fs/jbd2/transaction.c:464 jbd2__journal_start+0x2b7/0x5a0 fs/jbd2/transaction.c:521 jbd2_journal_start+0x26/0x30 fs/jbd2/transaction.c:560 ocfs2_start_trans+0x374/0x6c0 fs/ocfs2/journal.c:376 ocfs2_modify_bh+0xe5/0x470 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x13b1/0x16e0 fs/ocfs2/quota_local.c:764 dquot_load_quota_sb+0x756/0xac0 fs/quota/dquot.c:2463 dquot_load_quota_inode+0x2d8/0x5d0 fs/quota/dquot.c:2500 ocfs2_enable_quotas+0x1c3/0x440 fs/ocfs2/super.c:927 ocfs2_fill_super+0x3a1f/0x4d80 fs/ocfs2/super.c:1140 mount_bdev+0x287/0x3c0 fs/super.c:1400 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #2 (&journal->j_trans_barrier){.+.+}-{3:3}: down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_start_trans+0x368/0x6c0 fs/ocfs2/journal.c:374 ocfs2_modify_bh+0xe5/0x470 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x13b1/0x16e0 fs/ocfs2/quota_local.c:764 dquot_load_quota_sb+0x756/0xac0 fs/quota/dquot.c:2463 dquot_load_quota_inode+0x2d8/0x5d0 fs/quota/dquot.c:2500 ocfs2_enable_quotas+0x1c3/0x440 fs/ocfs2/super.c:927 ocfs2_fill_super+0x3a1f/0x4d80 fs/ocfs2/super.c:1140 mount_bdev+0x287/0x3c0 fs/super.c:1400 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (sb_internal#3){.+.+}-{0:0}: percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1811 [inline] sb_start_intwrite include/linux/fs.h:1928 [inline] ocfs2_start_trans+0x269/0x6c0 fs/ocfs2/journal.c:372 ocfs2_write_begin_inline fs/ocfs2/aops.c:1482 [inline] ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1585 [inline] ocfs2_write_begin_nolock+0x1c5e/0x4180 fs/ocfs2/aops.c:1671 ocfs2_write_begin+0x1ab/0x300 fs/ocfs2/aops.c:1905 generic_perform_write+0x2aa/0x530 mm/filemap.c:3785 __generic_file_write_iter+0x25f/0x4e0 mm/filemap.c:3912 ocfs2_file_write_iter+0x1578/0x1cf0 fs/ocfs2/file.c:2472 do_iter_readv_writev+0x497/0x600 fs/read_write.c:-1 do_iter_write+0x205/0x7b0 fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_pwritev+0x204/0x340 fs/read_write.c:1025 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&oi->ip_alloc_sem){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_read_virt_blocks+0x23f/0x8a0 fs/ocfs2/extent_map.c:984 ocfs2_read_dir_block+0xd3/0x4d0 fs/ocfs2/dir.c:508 ocfs2_dir_foreach_blk_el fs/ocfs2/dir.c:1842 [inline] ocfs2_dir_foreach_blk+0x26e/0x1900 fs/ocfs2/dir.c:1928 ocfs2_dir_foreach fs/ocfs2/dir.c:1938 [inline] ocfs2_empty_dir+0x1a1/0x6c0 fs/ocfs2/dir.c:2156 ocfs2_rename+0x204e/0x3690 fs/ocfs2/namei.c:1499 vfs_rename+0xbbf/0x10d0 fs/namei.c:4840 do_renameat2+0xa83/0xf70 fs/namei.c:4993 __do_sys_rename fs/namei.c:5039 [inline] __se_sys_rename fs/namei.c:5037 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5037 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &oi->ip_alloc_sem --> &journal->j_trans_barrier --> jbd2_handle Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(jbd2_handle); lock(&journal->j_trans_barrier); lock(jbd2_handle); lock(&oi->ip_alloc_sem); *** DEADLOCK *** 7 locks held by syz.2.413/6977: #0: ffff888078364460 (sb_writers#34){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:386 #1: ffff8880611e2648 (&type->i_mutex_dir_key#24/1){+.+.}-{3:3}, at: lock_rename include/linux/fs.h:-1 [inline] #1: ffff8880611e2648 (&type->i_mutex_dir_key#24/1){+.+.}-{3:3}, at: do_renameat2+0x42a/0xf70 fs/namei.c:4932 #2: ffff8880569c42c8 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #2: ffff8880569c42c8 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: vfs_rename+0x81f/0x10d0 fs/namei.c:4805 #3: ffff8880569c5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #3: ffff8880569c5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_lookup_lock_orphan_dir+0xeb/0x2c0 fs/ocfs2/namei.c:2116 #4: ffff888078364650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_rename+0x1919/0x3690 fs/ocfs2/namei.c:1488 #5: ffff8880602ac4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x368/0x6c0 fs/ocfs2/journal.c:374 #6: ffff888026876990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1312/0x15a0 fs/jbd2/transaction.c:462 stack backtrace: CPU: 1 PID: 6977 Comm: syz.2.413 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_read_virt_blocks+0x23f/0x8a0 fs/ocfs2/extent_map.c:984 ocfs2_read_dir_block+0xd3/0x4d0 fs/ocfs2/dir.c:508 ocfs2_dir_foreach_blk_el fs/ocfs2/dir.c:1842 [inline] ocfs2_dir_foreach_blk+0x26e/0x1900 fs/ocfs2/dir.c:1928 ocfs2_dir_foreach fs/ocfs2/dir.c:1938 [inline] ocfs2_empty_dir+0x1a1/0x6c0 fs/ocfs2/dir.c:2156 ocfs2_rename+0x204e/0x3690 fs/ocfs2/namei.c:1499 vfs_rename+0xbbf/0x10d0 fs/namei.c:4840 do_renameat2+0xa83/0xf70 fs/namei.c:4993 __do_sys_rename fs/namei.c:5039 [inline] __se_sys_rename fs/namei.c:5037 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5037 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2bdf11b749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2bdd361038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f2bdf372090 RCX: 00007f2bdf11b749 RDX: 0000000000000000 RSI: 0000200000000a00 RDI: 0000200000000180 RBP: 00007f2bdf19ff91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2bdf372128 R14: 00007f2bdf372090 R15: 00007ffd64fffac8