ocfs2: Mounting device (7,5) on (node local, slot 0) with writeback data mode.
======================================================
WARNING: possible circular locking dependency detected
6.1.119-syzkaller #0 Not tainted
------------------------------------------------------
syz.5.669/7351 is trying to acquire lock:
ffff0000d99ee650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_orphan_for_truncate fs/ocfs2/file.c:392 [inline]
ffff0000d99ee650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_truncate_file+0x640/0x1618 fs/ocfs2/file.c:496
but task is already holding lock:
ffff0000e15d22e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_truncate_file+0x38c/0x1618 fs/ocfs2/file.c:467
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}:
down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
ocfs2_try_remove_refcount_tree+0xb4/0x2f0 fs/ocfs2/refcounttree.c:932
ocfs2_xattr_set+0x7b8/0x1478 fs/ocfs2/xattr.c:3673
ocfs2_set_acl+0x410/0x4b4 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x214/0x358 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x2f8/0x398 fs/posix_acl.c:1189
__vfs_removexattr+0x370/0x38c fs/xattr.c:479
__vfs_removexattr_locked+0x1d8/0x380 fs/xattr.c:514
vfs_removexattr+0xe0/0x23c fs/xattr.c:536
removexattr fs/xattr.c:878 [inline]
path_removexattr+0x1ec/0x2ec fs/xattr.c:892
__do_sys_removexattr fs/xattr.c:906 [inline]
__se_sys_removexattr fs/xattr.c:903 [inline]
__arm64_sys_removexattr+0x60/0x78 fs/xattr.c:903
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #3 (&oi->ip_xattr_sem){++++}-{3:3}:
down_read+0x64/0x308 kernel/locking/rwsem.c:1520
ocfs2_init_acl+0x2c8/0x764 fs/ocfs2/acl.c:365
ocfs2_mknod+0x1574/0x2560 fs/ocfs2/namei.c:408
ocfs2_create+0x1a8/0x560 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3482 [inline]
open_last_lookups fs/namei.c:3550 [inline]
path_openat+0xeac/0x2548 fs/namei.c:3780
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #2 (jbd2_handle){++++}-{0:0}:
start_this_handle+0x1140/0x13ac fs/jbd2/transaction.c:463
jbd2__journal_start+0x298/0x544 fs/jbd2/transaction.c:520
jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:559
ocfs2_start_trans+0x3e8/0x73c fs/ocfs2/journal.c:354
ocfs2_shutdown_local_alloc+0x1d8/0x8d8 fs/ocfs2/localalloc.c:416
ocfs2_dismount_volume+0x1fc/0x99c fs/ocfs2/super.c:1879
ocfs2_put_super+0x110/0x3e8 fs/ocfs2/super.c:1609
generic_shutdown_super+0x130/0x328 fs/super.c:501
kill_block_super+0x70/0xdc fs/super.c:1470
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #1 (&journal->j_trans_barrier){.+.+}-{3:3}:
down_read+0x64/0x308 kernel/locking/rwsem.c:1520
ocfs2_start_trans+0x3dc/0x73c fs/ocfs2/journal.c:352
ocfs2_shutdown_local_alloc+0x1d8/0x8d8 fs/ocfs2/localalloc.c:416
ocfs2_dismount_volume+0x1fc/0x99c fs/ocfs2/super.c:1879
ocfs2_put_super+0x110/0x3e8 fs/ocfs2/super.c:1609
generic_shutdown_super+0x130/0x328 fs/super.c:501
kill_block_super+0x70/0xdc fs/super.c:1470
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #0 (sb_internal#3){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049
lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1891 [inline]
sb_start_intwrite include/linux/fs.h:2013 [inline]
ocfs2_start_trans+0x260/0x73c fs/ocfs2/journal.c:350
ocfs2_orphan_for_truncate fs/ocfs2/file.c:392 [inline]
ocfs2_truncate_file+0x640/0x1618 fs/ocfs2/file.c:496
ocfs2_setattr+0x142c/0x1b5c fs/ocfs2/file.c:1212
notify_change+0xb58/0xe1c fs/attr.c:499
do_truncate+0x1c0/0x28c fs/open.c:65
handle_truncate fs/namei.c:3285 [inline]
do_open fs/namei.c:3630 [inline]
path_openat+0x1fa0/0x2548 fs/namei.c:3783
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
other info that might help us debug this:
Chain exists of:
sb_internal#3 --> &oi->ip_xattr_sem --> &ocfs2_file_ip_alloc_sem_key
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocfs2_file_ip_alloc_sem_key);
lock(&oi->ip_xattr_sem);
lock(&ocfs2_file_ip_alloc_sem_key);
lock(sb_internal#3);
*** DEADLOCK ***
3 locks held by syz.5.669/7351:
#0: ffff0000d99ee460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:393
#1: ffff0000e15d2648 (&sb->s_type->i_mutex_key#40){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000e15d2648 (&sb->s_type->i_mutex_key#40){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c fs/open.c:63
#2: ffff0000e15d22e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_truncate_file+0x38c/0x1618 fs/ocfs2/file.c:467
stack backtrace:
CPU: 0 PID: 7351 Comm: syz.5.669 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048
check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049
lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1891 [inline]
sb_start_intwrite include/linux/fs.h:2013 [inline]
ocfs2_start_trans+0x260/0x73c fs/ocfs2/journal.c:350
ocfs2_orphan_for_truncate fs/ocfs2/file.c:392 [inline]
ocfs2_truncate_file+0x640/0x1618 fs/ocfs2/file.c:496
ocfs2_setattr+0x142c/0x1b5c fs/ocfs2/file.c:1212
notify_change+0xb58/0xe1c fs/attr.c:499
do_truncate+0x1c0/0x28c fs/open.c:65
handle_truncate fs/namei.c:3285 [inline]
do_open fs/namei.c:3630 [inline]
path_openat+0x1fa0/0x2548 fs/namei.c:3783
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585