JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.3.16/6746 is trying to acquire lock:
ffff0000f65dbff8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_get+0xe8/0x220 fs/ocfs2/xattr.c:1368

but task is already holding lock:
ffff0000db461ce8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x35c/0x6b0 fs/ocfs2/journal.c:372

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #4 (&journal->j_trans_barrier){.+.+}-{4:4}:
       down_read+0x58/0x308 kernel/locking/rwsem.c:1537
       ocfs2_start_trans+0x35c/0x6b0 fs/ocfs2/journal.c:372
       ocfs2_modify_bh+0xe4/0x43c fs/ocfs2/quota_local.c:101
       ocfs2_local_read_info+0x104c/0x1364 fs/ocfs2/quota_local.c:767
       dquot_load_quota_sb+0x6bc/0xa90 fs/quota/dquot.c:2462
       dquot_load_quota_inode+0x274/0x4e4 fs/quota/dquot.c:2499
       ocfs2_enable_quotas+0x17c/0x3b4 fs/ocfs2/super.c:930
       ocfs2_fill_super+0x3fe4/0x532c fs/ocfs2/super.c:1140
       get_tree_bdev_flags+0x360/0x414 fs/super.c:1691
       get_tree_bdev+0x2c/0x3c fs/super.c:1714
       ocfs2_get_tree+0x28/0x38 fs/ocfs2/super.c:1184
       vfs_get_tree+0x90/0x28c fs/super.c:1751
       fc_mount fs/namespace.c:1199 [inline]
       do_new_mount_fc fs/namespace.c:3636 [inline]
       do_new_mount+0x284/0x944 fs/namespace.c:3712
       path_mount+0x5b4/0xdfc fs/namespace.c:4022
       do_mount fs/namespace.c:4035 [inline]
       __do_sys_mount fs/namespace.c:4224 [inline]
       __se_sys_mount fs/namespace.c:4201 [inline]
       __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4201
       __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
       invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
       el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
       do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
       el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
       el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
       el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

-> #3 (sb_internal#2){.+.+}-{0:0}:
       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/super.h:19 [inline]
       sb_start_intwrite include/linux/fs/super.h:177 [inline]
       ocfs2_start_trans+0x1f4/0x6b0 fs/ocfs2/journal.c:370
       ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1254 [inline]
       ocfs2_reserve_local_alloc_bits+0xb90/0x26a8 fs/ocfs2/localalloc.c:669
       ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1169
       ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1230 [inline]
       ocfs2_lock_allocators+0x27c/0x518 fs/ocfs2/suballoc.c:2783
       ocfs2_extend_allocation+0x328/0x14cc fs/ocfs2/file.c:589
       ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
       ocfs2_acquire_dquot+0x518/0xa10 fs/ocfs2/quota_global.c:853
       dqget+0x654/0xccc fs/quota/dquot.c:980
       ocfs2_setattr+0xb54/0x1818 fs/ocfs2/file.c:1239
       notify_change+0xa0c/0xcb8 fs/attr.c:546
       chown_common+0x374/0x4d8 fs/open.c:788
       vfs_fchown fs/open.c:856 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:868
       __do_sys_fchown fs/open.c:873 [inline]
       __se_sys_fchown fs/open.c:871 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:871
       __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
       invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
       el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
       do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
       el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
       el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
       el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

-> #2 (&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]){+.+.}-{4:4}:
       down_write+0x50/0xc0 kernel/locking/rwsem.c:1590
       inode_lock include/linux/fs.h:1027 [inline]
       ocfs2_reserve_suballoc_bits+0x130/0x3ea0 fs/ocfs2/suballoc.c:789
       ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1135 [inline]
       ocfs2_reserve_clusters_with_limit+0x290/0x9e0 fs/ocfs2/suballoc.c:1180
       ocfs2_block_group_alloc fs/ocfs2/suballoc.c:675 [inline]
       ocfs2_reserve_suballoc_bits+0x72c/0x3ea0 fs/ocfs2/suballoc.c:835
       ocfs2_reserve_new_metadata_blocks+0x368/0x810 fs/ocfs2/suballoc.c:985
       ocfs2_init_xattr_set_ctxt+0x300/0x778 fs/ocfs2/xattr.c:3307
       ocfs2_xattr_set+0x920/0xe9c fs/ocfs2/xattr.c:3664
       ocfs2_set_acl+0x574/0x628 fs/ocfs2/acl.c:255
       ocfs2_iop_set_acl+0x190/0x25c fs/ocfs2/acl.c:287
       set_posix_acl fs/posix_acl.c:954 [inline]
       vfs_set_acl+0x704/0x96c fs/posix_acl.c:1133
       do_set_acl+0xe0/0x1a8 fs/posix_acl.c:1278
       do_setxattr fs/xattr.c:633 [inline]
       filename_setxattr+0x268/0x4f8 fs/xattr.c:665
       path_setxattrat+0x2e8/0x320 fs/xattr.c:713
       __do_sys_setxattr fs/xattr.c:747 [inline]
       __se_sys_setxattr fs/xattr.c:743 [inline]
       __arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743
       __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
       invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
       el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
       do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
       el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
       el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
       el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

-> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}:
       down_write+0x50/0xc0 kernel/locking/rwsem.c:1590
       inode_lock include/linux/fs.h:1027 [inline]
       ocfs2_reserve_suballoc_bits+0x130/0x3ea0 fs/ocfs2/suballoc.c:789
       ocfs2_reserve_new_metadata_blocks+0x368/0x810 fs/ocfs2/suballoc.c:985
       ocfs2_init_xattr_set_ctxt+0x300/0x778 fs/ocfs2/xattr.c:3307
       ocfs2_xattr_set+0x920/0xe9c fs/ocfs2/xattr.c:3664
       ocfs2_set_acl+0x574/0x628 fs/ocfs2/acl.c:255
       ocfs2_iop_set_acl+0x190/0x25c fs/ocfs2/acl.c:287
       set_posix_acl fs/posix_acl.c:954 [inline]
       vfs_set_acl+0x704/0x96c fs/posix_acl.c:1133
       do_set_acl+0xe0/0x1a8 fs/posix_acl.c:1278
       do_setxattr fs/xattr.c:633 [inline]
       filename_setxattr+0x268/0x4f8 fs/xattr.c:665
       path_setxattrat+0x2e8/0x320 fs/xattr.c:713
       __do_sys_setxattr fs/xattr.c:747 [inline]
       __se_sys_setxattr fs/xattr.c:743 [inline]
       __arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743
       __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
       invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
       el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
       do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
       el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
       el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
       el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

-> #0 (&oi->ip_xattr_sem){++++}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3165 [inline]
       check_prevs_add kernel/locking/lockdep.c:3284 [inline]
       validate_chain kernel/locking/lockdep.c:3908 [inline]
       __lock_acquire+0x1774/0x30a4 kernel/locking/lockdep.c:5237
       lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868
       down_read+0x58/0x308 kernel/locking/rwsem.c:1537
       ocfs2_xattr_get+0xe8/0x220 fs/ocfs2/xattr.c:1368
       ocfs2_xattr_security_get+0x40/0x54 fs/ocfs2/xattr.c:7261
       __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423
       smk_fetch+0xc4/0x150 security/smack/smack_lsm.c:289
       smack_d_instantiate+0x53c/0x7a4 security/smack/smack_lsm.c:3653
       security_d_instantiate+0x100/0x204 security/security.c:3601
       d_instantiate+0x5c/0xac fs/dcache.c:1999
       ocfs2_mknod+0x14fc/0x1cf0 fs/ocfs2/namei.c:454
       ocfs2_create+0x178/0x474 fs/ocfs2/namei.c:677
       lookup_open fs/namei.c:4440 [inline]
       open_last_lookups fs/namei.c:4540 [inline]
       path_openat+0x143c/0x3114 fs/namei.c:4784
       do_filp_open+0x18c/0x36c fs/namei.c:4814
       do_sys_openat2+0x11c/0x1f0 fs/open.c:1430
       do_sys_open fs/open.c:1436 [inline]
       __do_sys_openat fs/open.c:1452 [inline]
       __se_sys_openat fs/open.c:1447 [inline]
       __arm64_sys_openat+0x120/0x158 fs/open.c:1447
       __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
       invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
       el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
       do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
       el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
       el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
       el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

other info that might help us debug this:

Chain exists of:
  &oi->ip_xattr_sem --> sb_internal#2 --> &journal->j_trans_barrier

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  rlock(&journal->j_trans_barrier);
                               lock(sb_internal#2);
                               lock(&journal->j_trans_barrier);
  rlock(&oi->ip_xattr_sem);

 *** DEADLOCK ***

8 locks held by syz.3.16/6746:
 #0: ffff0000da47a420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:499
 #1: ffff0000f65109c0 (&type->i_mutex_dir_key#9){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #1: ffff0000f65109c0 (&type->i_mutex_dir_key#9){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:4537 [inline]
 #1: ffff0000f65109c0 (&type->i_mutex_dir_key#9){+.+.}-{4:4}, at: path_openat+0x868/0x3114 fs/namei.c:4784
 #2: ffff0000f65189c0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #2: ffff0000f65189c0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x130/0x3ea0 fs/ocfs2/suballoc.c:789
 #3: ffff0000f6516d80 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #3: ffff0000f6516d80 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x130/0x3ea0 fs/ocfs2/suballoc.c:789
 #4: ffff0000f651a640 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #4: ffff0000f651a640 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x104/0x26a8 fs/ocfs2/localalloc.c:636
 #5: ffff0000da47a610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mknod+0xc30/0x1cf0 fs/ocfs2/namei.c:365
 #6: ffff0000db461ce8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x35c/0x6b0 fs/ocfs2/journal.c:372
 #7: ffff0000c7288950 (jbd2_handle#2){.+.+}-{0:0}, at: start_this_handle+0xe4c/0x10dc fs/jbd2/transaction.c:442

stack backtrace:
CPU: 1 UID: 0 PID: 6746 Comm: syz.3.16 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 print_circular_bug+0x324/0x32c kernel/locking/lockdep.c:2043
 check_noncircular+0x154/0x174 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 kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x1774/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868
 down_read+0x58/0x308 kernel/locking/rwsem.c:1537
 ocfs2_xattr_get+0xe8/0x220 fs/ocfs2/xattr.c:1368
 ocfs2_xattr_security_get+0x40/0x54 fs/ocfs2/xattr.c:7261
 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423
 smk_fetch+0xc4/0x150 security/smack/smack_lsm.c:289
 smack_d_instantiate+0x53c/0x7a4 security/smack/smack_lsm.c:3653
 security_d_instantiate+0x100/0x204 security/security.c:3601
 d_instantiate+0x5c/0xac fs/dcache.c:1999
 ocfs2_mknod+0x14fc/0x1cf0 fs/ocfs2/namei.c:454
 ocfs2_create+0x178/0x474 fs/ocfs2/namei.c:677
 lookup_open fs/namei.c:4440 [inline]
 open_last_lookups fs/namei.c:4540 [inline]
 path_openat+0x143c/0x3114 fs/namei.c:4784
 do_filp_open+0x18c/0x36c fs/namei.c:4814
 do_sys_openat2+0x11c/0x1f0 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __arm64_sys_openat+0x120/0x158 fs/open.c:1447
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
OCFS2: ERROR (device loop3): int ocfs2_validate_gd_self(struct super_block *, struct buffer_head *, int): Group descriptor #32 has an invalid fs_generation of #1
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.3.16,6746,0):ocfs2_search_chain:1818 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_search_chain:1941 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_claim_suballoc_bits:2021 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_claim_suballoc_bits:2074 ERROR: status = -30
(syz.3.16,6746,0):__ocfs2_claim_clusters:2449 ERROR: status = -30
(syz.3.16,6746,0):__ocfs2_claim_clusters:2457 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_new_window:1199 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_new_window:1224 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_slide_window:1298 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_clusters_with_limit:1173 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_clusters_with_limit:1222 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_lock_allocators:2786 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_extend_allocation:592 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_extend_no_holes:1030 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_expand_nonsparse_inode:1602 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_write_begin_nolock:1669 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_write_begin:1887 ERROR: status = -30
OCFS2: ERROR (device loop3): int ocfs2_validate_gd_self(struct super_block *, struct buffer_head *, int): Group descriptor #32 has an invalid fs_generation of #1
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
(syz.3.16,6746,0):ocfs2_search_chain:1818 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_search_chain:1941 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_claim_suballoc_bits:2021 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_claim_suballoc_bits:2074 ERROR: status = -30
(syz.3.16,6746,0):__ocfs2_claim_clusters:2449 ERROR: status = -30
(syz.3.16,6746,0):__ocfs2_claim_clusters:2457 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_new_window:1199 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_new_window:1224 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_slide_window:1298 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_clusters_with_limit:1173 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_reserve_clusters_with_limit:1222 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_lock_allocators:2786 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_extend_allocation:592 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_extend_no_holes:1030 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_expand_nonsparse_inode:1602 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_write_begin_nolock:1669 ERROR: status = -30
(syz.3.16,6746,0):ocfs2_write_begin:1887 ERROR: status = -30