JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,4) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted ------------------------------------------------------ syz.4.261/8174 is trying to acquire lock: ffff888053125be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x225/0x2b0 fs/ocfs2/quota_global.c:314 but task is already holding lock: ffff888053125f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] ffff888053125f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x206/0x2b0 fs/ocfs2/quota_global.c:313 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:815 [inline] ocfs2_lock_global_qf+0x206/0x2b0 fs/ocfs2/quota_global.c:313 ocfs2_acquire_dquot+0x2b0/0xb80 fs/ocfs2/quota_global.c:823 dqget+0x770/0xeb0 fs/quota/dquot.c:976 ocfs2_setattr+0x1123/0x1f50 fs/ocfs2/file.c:1240 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 vfs_fchown fs/open.c:861 [inline] ksys_fchown+0xe3/0x160 fs/open.c:872 __do_sys_fchown fs/open.c:880 [inline] __se_sys_fchown fs/open.c:878 [inline] __x64_sys_fchown+0x7a/0x90 fs/open.c:878 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #5 (&dquot->dq_lock){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 wait_on_dquot fs/quota/dquot.c:355 [inline] dqget+0x6e6/0xeb0 fs/quota/dquot.c:971 dquot_transfer+0x2c2/0x6d0 fs/quota/dquot.c:2139 ext4_setattr+0xaf3/0x1bc0 fs/ext4/inode.c:5368 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 do_fchownat+0x16a/0x240 fs/open.c:824 __do_sys_chown fs/open.c:844 [inline] __se_sys_chown fs/open.c:842 [inline] __x64_sys_chown+0x82/0x90 fs/open.c:842 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #4 (&ei->xattr_sem){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ext4_write_lock_xattr fs/ext4/xattr.h:154 [inline] ext4_xattr_set_handle+0x277/0x1580 fs/ext4/xattr.c:2373 ext4_initxattrs+0xa3/0x120 fs/ext4/xattr_security.c:44 security_inode_init_security+0x29c/0x480 security/security.c:1846 __ext4_new_inode+0x3635/0x4380 fs/ext4/ialloc.c:1323 ext4_create+0x279/0x550 fs/ext4/namei.c:2834 lookup_open fs/namei.c:3595 [inline] open_last_lookups fs/namei.c:3694 [inline] path_openat+0x1c03/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (jbd2_handle){++++}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 start_this_handle+0x1eb4/0x2110 fs/jbd2/transaction.c:448 jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505 jbd2_journal_start+0x29/0x40 fs/jbd2/transaction.c:544 ocfs2_start_trans+0x3c9/0x700 fs/ocfs2/journal.c:352 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline] ocfs2_reserve_suballoc_bits+0x9f6/0x4eb0 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 fs/ocfs2/suballoc.c:982 ocfs2_calc_security_init+0x3b8/0x620 fs/ocfs2/xattr.c:590 ocfs2_symlink+0x125c/0x2d90 fs/ocfs2/namei.c:1907 vfs_symlink+0x137/0x2e0 fs/namei.c:4615 do_symlinkat+0x222/0x3a0 fs/namei.c:4641 __do_sys_symlink fs/namei.c:4662 [inline] __se_sys_symlink fs/namei.c:4660 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4660 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&journal->j_trans_barrier){.+.+}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x3be/0x700 fs/ocfs2/journal.c:350 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline] ocfs2_reserve_suballoc_bits+0x9f6/0x4eb0 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 fs/ocfs2/suballoc.c:982 ocfs2_calc_security_init+0x3b8/0x620 fs/ocfs2/xattr.c:590 ocfs2_symlink+0x125c/0x2d90 fs/ocfs2/namei.c:1907 vfs_symlink+0x137/0x2e0 fs/namei.c:4615 do_symlinkat+0x222/0x3a0 fs/namei.c:4641 __do_sys_symlink fs/namei.c:4662 [inline] __se_sys_symlink fs/namei.c:4660 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4660 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (sb_internal#4){.+.+}-{0:0}: reacquire_held_locks+0x3eb/0x690 kernel/locking/lockdep.c:5350 __lock_release kernel/locking/lockdep.c:5539 [inline] lock_release+0x396/0xa30 kernel/locking/lockdep.c:5846 up_write+0x79/0x590 kernel/locking/rwsem.c:1629 inode_unlock include/linux/fs.h:820 [inline] ocfs2_free_ac_resource fs/ocfs2/suballoc.c:130 [inline] ocfs2_free_alloc_context+0x95/0x1a0 fs/ocfs2/suballoc.c:144 ocfs2_write_begin_nolock+0x4d30/0x4ec0 fs/ocfs2/aops.c:1823 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1902 generic_perform_write+0x344/0x6d0 mm/filemap.c:4054 ocfs2_file_write_iter+0x17b1/0x1f50 fs/ocfs2/file.c:2456 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ocfs2_lock_global_qf+0x225/0x2b0 fs/ocfs2/quota_global.c:314 ocfs2_acquire_dquot+0x2b0/0xb80 fs/ocfs2/quota_global.c:823 dqget+0x770/0xeb0 fs/quota/dquot.c:976 ocfs2_setattr+0x1123/0x1f50 fs/ocfs2/file.c:1240 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 vfs_fchown fs/open.c:861 [inline] ksys_fchown+0xe3/0x160 fs/open.c:872 __do_sys_fchown fs/open.c:880 [inline] __se_sys_fchown fs/open.c:878 [inline] __x64_sys_fchown+0x7a/0x90 fs/open.c:878 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: &ocfs2_quota_ip_alloc_sem_key --> &dquot->dq_lock --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7); lock(&dquot->dq_lock); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7); lock(&ocfs2_quota_ip_alloc_sem_key); *** DEADLOCK *** 4 locks held by syz.4.261/8174: #0: ffff88805d81c420 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x200 fs/namespace.c:559 #1: ffff888053121800 (&type->i_mutex_dir_key#14){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff888053121800 (&type->i_mutex_dir_key#14){++++}-{3:3}, at: chown_common+0x3e1/0x850 fs/open.c:783 #2: ffff888076f920a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x2a3/0xb80 fs/ocfs2/quota_global.c:818 #3: ffff888053125f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #3: ffff888053125f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x206/0x2b0 fs/ocfs2/quota_global.c:313 stack backtrace: CPU: 1 UID: 0 PID: 8174 Comm: syz.4.261 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ocfs2_lock_global_qf+0x225/0x2b0 fs/ocfs2/quota_global.c:314 ocfs2_acquire_dquot+0x2b0/0xb80 fs/ocfs2/quota_global.c:823 dqget+0x770/0xeb0 fs/quota/dquot.c:976 ocfs2_setattr+0x1123/0x1f50 fs/ocfs2/file.c:1240 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 vfs_fchown fs/open.c:861 [inline] ksys_fchown+0xe3/0x160 fs/open.c:872 __do_sys_fchown fs/open.c:880 [inline] __se_sys_fchown fs/open.c:878 [inline] __x64_sys_fchown+0x7a/0x90 fs/open.c:878 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa76ef7dff9 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:00007fa76e9ff038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d RAX: ffffffffffffffda RBX: 00007fa76f135f80 RCX: 00007fa76ef7dff9 RDX: 0000000039323420 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fa76eff0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa76f135f80 R15: 00007ffe6338bd18