ocfs2: Mounting device (7,1) on (node local, slot 0) with ordered data mode.
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support RENAME_WHITEOUT.
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.1.158/7207 is trying to acquire lock:
ffff0000f90709c0 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
ffff0000f90709c0 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x104/0x26a8 fs/ocfs2/localalloc.c:636

but task is already holding lock:
ffff0000f90731b8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x330/0xe9c fs/ocfs2/xattr.c:3613

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&oi->ip_xattr_sem){+.+.}-{4:4}:
       down_write+0x50/0xc0 kernel/locking/rwsem.c:1590
       ocfs2_xattr_set_handle+0x2a8/0x5e4 fs/ocfs2/xattr.c:3531
       ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7337
       ocfs2_mknod+0x104c/0x1cf0 fs/ocfs2/namei.c:423
       ocfs2_mkdir+0x178/0x474 fs/ocfs2/namei.c:660
       vfs_mkdir+0x408/0x48c fs/namei.c:5130
       do_mkdirat+0x238/0x448 fs/namei.c:5164
       __do_sys_mkdirat fs/namei.c:5186 [inline]
       __se_sys_mkdirat fs/namei.c:5184 [inline]
       __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:5184
       __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 (&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_shutdown_local_alloc+0x1ac/0x7e4 fs/ocfs2/localalloc.c:417
       ocfs2_dismount_volume+0x1cc/0x8c4 fs/ocfs2/super.c:1825
       ocfs2_put_super+0xd4/0x320 fs/ocfs2/super.c:1553
       generic_shutdown_super+0x12c/0x2b8 fs/super.c:643
       kill_block_super+0x44/0x90 fs/super.c:1722
       deactivate_locked_super+0xc4/0x12c fs/super.c:474
       deactivate_super+0xe0/0x100 fs/super.c:507
       cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318
       __cleanup_mnt+0x20/0x30 fs/namespace.c:1325
       task_work_run+0x1dc/0x260 kernel/task_work.c:233
       resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
       __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
       exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75
       __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
       exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline]
       arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline]
       el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725
       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 (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_mknod+0xc30/0x1cf0 fs/ocfs2/namei.c:365
       ocfs2_mkdir+0x178/0x474 fs/ocfs2/namei.c:660
       vfs_mkdir+0x408/0x48c fs/namei.c:5130
       do_mkdirat+0x238/0x448 fs/namei.c:5164
       __do_sys_mkdirat fs/namei.c:5186 [inline]
       __se_sys_mkdirat fs/namei.c:5184 [inline]
       __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:5184
       __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 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{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_write+0x50/0xc0 kernel/locking/rwsem.c:1590
       inode_lock include/linux/fs.h:1027 [inline]
       ocfs2_reserve_local_alloc_bits+0x104/0x26a8 fs/ocfs2/localalloc.c:636
       ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1169
       ocfs2_reserve_clusters+0x3c/0x50 fs/ocfs2/suballoc.c:1230
       ocfs2_init_xattr_set_ctxt+0x364/0x778 fs/ocfs2/xattr.c:3316
       ocfs2_xattr_set+0x920/0xe9c fs/ocfs2/xattr.c:3664
       ocfs2_xattr_trusted_set+0x4c/0x64 fs/ocfs2/xattr.c:7366
       __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
       __vfs_setxattr_noperm+0x120/0x5c4 fs/xattr.c:234
       __vfs_setxattr_locked+0x1e8/0x214 fs/xattr.c:295
       vfs_setxattr+0x158/0x2a8 fs/xattr.c:321
       ovl_do_setxattr fs/overlayfs/overlayfs.h:317 [inline]
       ovl_setxattr fs/overlayfs/overlayfs.h:329 [inline]
       ovl_make_workdir fs/overlayfs/super.c:728 [inline]
       ovl_get_workdir fs/overlayfs/super.c:840 [inline]
       ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
       ovl_fill_super+0x3d74/0x4cdc fs/overlayfs/super.c:1567
       vfs_get_super fs/super.c:1324 [inline]
       get_tree_nodev+0xb4/0x144 fs/super.c:1343
       ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:708
       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

other info that might help us debug this:

Chain exists of:
  &ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE] --> &journal->j_trans_barrier --> &oi->ip_xattr_sem

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&oi->ip_xattr_sem);
                               lock(&journal->j_trans_barrier);
                               lock(&oi->ip_xattr_sem);
  lock(&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]);

 *** DEADLOCK ***

4 locks held by syz.1.158/7207:
 #0: ffff0000dfbb60e0 (&type->s_umount_key#59/1){+.+.}-{4:4}, at: alloc_super+0x210/0x908 fs/super.c:344
 #1: ffff0000db96a420 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:499
 #2: ffff0000f9073480 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #2: ffff0000f9073480 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: vfs_setxattr+0x138/0x2a8 fs/xattr.c:320
 #3: ffff0000f90731b8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x330/0xe9c fs/ocfs2/xattr.c:3613

stack backtrace:
CPU: 0 UID: 0 PID: 7207 Comm: syz.1.158 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_write+0x50/0xc0 kernel/locking/rwsem.c:1590
 inode_lock include/linux/fs.h:1027 [inline]
 ocfs2_reserve_local_alloc_bits+0x104/0x26a8 fs/ocfs2/localalloc.c:636
 ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1169
 ocfs2_reserve_clusters+0x3c/0x50 fs/ocfs2/suballoc.c:1230
 ocfs2_init_xattr_set_ctxt+0x364/0x778 fs/ocfs2/xattr.c:3316
 ocfs2_xattr_set+0x920/0xe9c fs/ocfs2/xattr.c:3664
 ocfs2_xattr_trusted_set+0x4c/0x64 fs/ocfs2/xattr.c:7366
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
 __vfs_setxattr_noperm+0x120/0x5c4 fs/xattr.c:234
 __vfs_setxattr_locked+0x1e8/0x214 fs/xattr.c:295
 vfs_setxattr+0x158/0x2a8 fs/xattr.c:321
 ovl_do_setxattr fs/overlayfs/overlayfs.h:317 [inline]
 ovl_setxattr fs/overlayfs/overlayfs.h:329 [inline]
 ovl_make_workdir fs/overlayfs/super.c:728 [inline]
 ovl_get_workdir fs/overlayfs/super.c:840 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
 ovl_fill_super+0x3d74/0x4cdc fs/overlayfs/super.c:1567
 vfs_get_super fs/super.c:1324 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1343
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:708
 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
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/ocfs2/xattr.c:1985:3
index 2 is out of range for type 'struct ocfs2_xattr_entry[] __counted_by(xh_count)' (aka 'struct ocfs2_xattr_entry[]')
CPU: 0 UID: 0 PID: 7207 Comm: syz.1.158 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
 ubsan_epilogue+0x14/0x48 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xd0/0xfc lib/ubsan.c:455
 ocfs2_xa_remove_entry+0x314/0x384 fs/ocfs2/xattr.c:1985
 ocfs2_xa_remove fs/ocfs2/xattr.c:2073 [inline]
 ocfs2_xa_set+0x938/0x23c0 fs/ocfs2/xattr.c:2277
 ocfs2_xattr_block_set+0x328/0x2a88 fs/ocfs2/xattr.c:3015
 __ocfs2_xattr_set_handle+0x200/0xc28 fs/ocfs2/xattr.c:-1
 ocfs2_xattr_set+0xb38/0xe9c fs/ocfs2/xattr.c:3680
 ocfs2_xattr_trusted_set+0x4c/0x64 fs/ocfs2/xattr.c:7366
 __vfs_removexattr+0x3bc/0x3e4 fs/xattr.c:518
 __vfs_removexattr_locked+0x1cc/0x204 fs/xattr.c:553
 vfs_removexattr+0x80/0x18c fs/xattr.c:575
 ovl_do_removexattr fs/overlayfs/overlayfs.h:335 [inline]
 ovl_removexattr fs/overlayfs/overlayfs.h:343 [inline]
 ovl_make_workdir fs/overlayfs/super.c:760 [inline]
 ovl_get_workdir fs/overlayfs/super.c:840 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
 ovl_fill_super+0x3e40/0x4cdc fs/overlayfs/super.c:1567
 vfs_get_super fs/super.c:1324 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1343
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:708
 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
---[ end trace ]---
------------[ cut here ]------------
memset: detected buffer overflow: 16 byte write of buffer size 0
WARNING: lib/string_helpers.c:1036 at __fortify_report+0xa4/0xc0 lib/string_helpers.c:1035, CPU#0: syz.1.158/7207
Modules linked in:
CPU: 0 UID: 0 PID: 7207 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __fortify_report+0xa4/0xc0 lib/string_helpers.c:1035
lr : __fortify_report+0xa4/0xc0 lib/string_helpers.c:1035
sp : ffff8000a5fa6660
x29: ffff8000a5fa6660 x28: 1fffe0001d3d6cc6 x27: dfff800000000000
x26: ffff0000e9eb6640 x25: 0000000000000000 x24: 0000000000000001
x23: 000000000000000f x22: ffff80008b5a20d8 x21: 0000000000000001
x20: 0000000000000010 x19: 0000000000000000 x18: 00000000ffffffff
x17: 635f5f205d5b7972 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1ffff00014bf4c40 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000006ae99 x9 : 94c1c1980ada1e00
x8 : 94c1c1980ada1e00 x7 : 0000000000000001 x6 : ffff8000805761f8
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 __fortify_report+0xa4/0xc0 lib/string_helpers.c:1035 (P)
 __fortify_panic+0x10/0x14 lib/string_helpers.c:1042
 fortify_memset_chk include/linux/fortify-string.h:497 [inline]
 ocfs2_xa_remove_entry+0x34c/0x384 fs/ocfs2/xattr.c:1987
 ocfs2_xa_remove fs/ocfs2/xattr.c:2073 [inline]
 ocfs2_xa_set+0x938/0x23c0 fs/ocfs2/xattr.c:2277
 ocfs2_xattr_block_set+0x328/0x2a88 fs/ocfs2/xattr.c:3015
 __ocfs2_xattr_set_handle+0x200/0xc28 fs/ocfs2/xattr.c:-1
 ocfs2_xattr_set+0xb38/0xe9c fs/ocfs2/xattr.c:3680
 ocfs2_xattr_trusted_set+0x4c/0x64 fs/ocfs2/xattr.c:7366
 __vfs_removexattr+0x3bc/0x3e4 fs/xattr.c:518
 __vfs_removexattr_locked+0x1cc/0x204 fs/xattr.c:553
 vfs_removexattr+0x80/0x18c fs/xattr.c:575
 ovl_do_removexattr fs/overlayfs/overlayfs.h:335 [inline]
 ovl_removexattr fs/overlayfs/overlayfs.h:343 [inline]
 ovl_make_workdir fs/overlayfs/super.c:760 [inline]
 ovl_get_workdir fs/overlayfs/super.c:840 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
 ovl_fill_super+0x3e40/0x4cdc fs/overlayfs/super.c:1567
 vfs_get_super fs/super.c:1324 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1343
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:708
 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
irq event stamp: 51753
hardirqs last  enabled at (51753): [<ffff80008afbc424>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (51753): [<ffff80008afbc424>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (51752): [<ffff80008afbc254>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (51752): [<ffff80008afbc254>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last  enabled at (51302): [<ffff8000803e1080>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (51302): [<ffff8000803e1080>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650
softirqs last disabled at (51217): [<ffff800080020fb4>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
kernel BUG at lib/string_helpers.c:1043!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7207 Comm: syz.1.158 Tainted: G        W           syzkaller #0 PREEMPT 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __fortify_panic+0x10/0x14 lib/string_helpers.c:1042
lr : __fortify_panic+0x10/0x14 lib/string_helpers.c:1042
sp : ffff8000a5fa66a0
x29: ffff8000a5fa66a0 x28: 1fffe0001d3d6cc6 x27: dfff800000000000
x26: ffff0000e9eb6640 x25: 0000000000000000 x24: 0000000000000001
x23: ffff0000e9eb6650 x22: 0000000000000001 x21: 0000000000000001
x20: 0000000000000001 x19: ffff0000e9eb6630 x18: 00000000ffffffff
x17: 635f5f205d5b7972 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1ffff00014bf4c40 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000006ae99 x9 : 94c1c1980ada1e00
x8 : 94c1c1980ada1e00 x7 : 0000000000000001 x6 : ffff8000805761f8
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 __fortify_panic+0x10/0x14 lib/string_helpers.c:1042 (P)
 fortify_memset_chk include/linux/fortify-string.h:497 [inline]
 ocfs2_xa_remove_entry+0x34c/0x384 fs/ocfs2/xattr.c:1987
 ocfs2_xa_remove fs/ocfs2/xattr.c:2073 [inline]
 ocfs2_xa_set+0x938/0x23c0 fs/ocfs2/xattr.c:2277
 ocfs2_xattr_block_set+0x328/0x2a88 fs/ocfs2/xattr.c:3015
 __ocfs2_xattr_set_handle+0x200/0xc28 fs/ocfs2/xattr.c:-1
 ocfs2_xattr_set+0xb38/0xe9c fs/ocfs2/xattr.c:3680
 ocfs2_xattr_trusted_set+0x4c/0x64 fs/ocfs2/xattr.c:7366
 __vfs_removexattr+0x3bc/0x3e4 fs/xattr.c:518
 __vfs_removexattr_locked+0x1cc/0x204 fs/xattr.c:553
 vfs_removexattr+0x80/0x18c fs/xattr.c:575
 ovl_do_removexattr fs/overlayfs/overlayfs.h:335 [inline]
 ovl_removexattr fs/overlayfs/overlayfs.h:343 [inline]
 ovl_make_workdir fs/overlayfs/super.c:760 [inline]
 ovl_get_workdir fs/overlayfs/super.c:840 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
 ovl_fill_super+0x3e40/0x4cdc fs/overlayfs/super.c:1567
 vfs_get_super fs/super.c:1324 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1343
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:708
 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
Code: d503233f a9bf7bfd 910003fd 94b2f454 (d4210000) 
---[ end trace 0000000000000000 ]---