loop0: detected capacity change from 0 to 32768 (syz.0.0,5337,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. (syz.0.0,5337,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. loop0: detected capacity change from 32768 to 64 (syz.0.0,5337,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x69a15b13, computed 0x9892300b. Applying ECC. (syz.0.0,5337,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0x69a15b13, computed 0x9892300b (syz.0.0,5337,0):ocfs2_validate_inode_block:1458 ERROR: Checksum failed for dinode 23 (syz.0.0,5337,0):ocfs2_assign_bh:2417 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_suballoc_bits:795 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_cluster_bitmap_bits:1139 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_reserve_for_window:1119 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_reserve_for_window:1135 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_slide_window:1250 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_clusters_with_limit:1172 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_clusters_with_limit:1221 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_lock_allocators:2775 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_write_begin_nolock:1723 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_write_begin:1887 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x69a15b13, computed 0x9892300b. Applying ECC. (syz.0.0,5337,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0x69a15b13, computed 0x9892300b (syz.0.0,5337,0):ocfs2_validate_inode_block:1458 ERROR: Checksum failed for dinode 23 (syz.0.0,5337,0):ocfs2_assign_bh:2417 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_suballoc_bits:795 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_cluster_bitmap_bits:1139 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_reserve_for_window:1119 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_reserve_for_window:1135 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_slide_window:1250 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_clusters_with_limit:1172 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_reserve_clusters_with_limit:1221 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_lock_allocators:2775 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_write_begin_nolock:1723 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_dio_wr_get_block:2218 ERROR: status = -5 (syz.0.0,5337,0):ocfs2_dio_end_io:2401 ERROR: Direct IO failed, bytes = -5 ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.0/5337 is trying to acquire lock: ffff888050cb94a0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320 fs/ocfs2/refcounttree.c:932 but task is already holding lock: ffff888050cb9538 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 fs/ocfs2/refcounttree.c:931 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1537 ocfs2_init_acl+0x2f9/0x720 fs/ocfs2/acl.c:366 ocfs2_mknod+0x1321/0x2050 fs/ocfs2/namei.c:413 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:3796 [inline] open_last_lookups fs/namei.c:3895 [inline] path_openat+0x14f1/0x3830 fs/namei.c:4131 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (jbd2_handle){++++}-{0:0}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 start_this_handle+0x1fa7/0x21c0 fs/jbd2/transaction.c:444 jbd2__journal_start+0x2c1/0x5b0 fs/jbd2/transaction.c:501 jbd2_journal_start+0x2a/0x40 fs/jbd2/transaction.c:540 ocfs2_start_trans+0x376/0x6d0 fs/ocfs2/journal.c:374 ocfs2_modify_bh+0xe8/0x470 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x1465/0x17e0 fs/ocfs2/quota_local.c:767 dquot_load_quota_sb+0x791/0xbd0 fs/quota/dquot.c:2462 dquot_load_quota_inode+0x2e1/0x5d0 fs/quota/dquot.c:2499 ocfs2_enable_quotas+0x1c6/0x450 fs/ocfs2/super.c:930 ocfs2_fill_super+0x50fe/0x63c0 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1691 vfs_get_tree+0x8f/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4215 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1537 ocfs2_start_trans+0x36a/0x6d0 fs/ocfs2/journal.c:372 ocfs2_modify_bh+0xe8/0x470 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x1465/0x17e0 fs/ocfs2/quota_local.c:767 dquot_load_quota_sb+0x791/0xbd0 fs/quota/dquot.c:2462 dquot_load_quota_inode+0x2e1/0x5d0 fs/quota/dquot.c:2499 ocfs2_enable_quotas+0x1c6/0x450 fs/ocfs2/super.c:930 ocfs2_fill_super+0x50fe/0x63c0 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1691 vfs_get_tree+0x8f/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4215 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] __sb_start_write include/linux/fs.h:1915 [inline] sb_start_intwrite include/linux/fs.h:2098 [inline] ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370 ocfs2_setattr+0x969/0x1b40 fs/ocfs2/file.c:1263 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 do_ftruncate+0x489/0x540 fs/open.c:195 do_sys_ftruncate fs/open.c:210 [inline] __do_sys_ftruncate fs/open.c:215 [inline] __se_sys_ftruncate fs/open.c:213 [inline] __x64_sys_ftruncate+0x92/0xf0 fs/open.c:213 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&oi->ip_alloc_sem){++++}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_write+0x96/0x1f0 kernel/locking/rwsem.c:1590 ocfs2_try_remove_refcount_tree+0xb6/0x320 fs/ocfs2/refcounttree.c:932 ocfs2_truncate_file+0xda0/0x1420 fs/ocfs2/file.c:521 ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 vfs_truncate+0x493/0x520 fs/open.c:118 do_sys_truncate+0xdb/0x190 fs/open.c:141 __do_sys_truncate fs/open.c:153 [inline] __se_sys_truncate fs/open.c:151 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:151 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_xattr_sem); lock(jbd2_handle); lock(&oi->ip_xattr_sem); lock(&oi->ip_alloc_sem); *** DEADLOCK *** 3 locks held by syz.0.0/5337: #0: ffff8880425be420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:508 #1: ffff888050cb9800 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock_killable include/linux/fs.h:984 [inline] #1: ffff888050cb9800 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: do_truncate+0x171/0x220 fs/open.c:63 #2: ffff888050cb9538 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 fs/ocfs2/refcounttree.c:931 stack backtrace: CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2043 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_write+0x96/0x1f0 kernel/locking/rwsem.c:1590 ocfs2_try_remove_refcount_tree+0xb6/0x320 fs/ocfs2/refcounttree.c:932 ocfs2_truncate_file+0xda0/0x1420 fs/ocfs2/file.c:521 ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 vfs_truncate+0x493/0x520 fs/open.c:118 do_sys_truncate+0xdb/0x190 fs/open.c:141 __do_sys_truncate fs/open.c:153 [inline] __se_sys_truncate fs/open.c:151 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:151 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f297138eec9 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:00007f2972229038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f29715e5fa0 RCX: 00007f297138eec9 RDX: 0000000000000000 RSI: 00000000000000e8 RDI: 0000200000000200 RBP: 00007f2971411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f29715e6038 R14: 00007f29715e5fa0 R15: 00007fffe99169b8 syz.0.0 (5337) used greatest stack depth: 18664 bytes left