loop5: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,5) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.12.0-rc5-syzkaller-g1bf329c696cf #0 Not tainted
------------------------------------------------------
syz.5.170/7612 is trying to acquire lock:
ffff0000dfae4610 (sb_internal#4){.+.+}-{0:0}, at: __ocfs2_write_remove_suid+0x1ac/0x7b0 fs/ocfs2/file.c:1385
but task is already holding lock:
ffff0000ef3294a0 (&oi->ip_alloc_sem){++++}-{3:3}, at: ocfs2_inode_lock_for_extent_tree+0xf0/0x1cc fs/ocfs2/file.c:2202
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&oi->ip_alloc_sem){++++}-{3:3}:
down_write+0x50/0xc0 kernel/locking/rwsem.c:1577
ocfs2_try_remove_refcount_tree+0xb4/0x2f0 fs/ocfs2/refcounttree.c:932
ocfs2_xattr_set+0x670/0x1448 fs/ocfs2/xattr.c:3670
ocfs2_set_acl+0x410/0x4b4 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x230/0x374 fs/ocfs2/acl.c:286
set_posix_acl fs/posix_acl.c:955 [inline]
vfs_set_acl+0x7a0/0xa24 fs/posix_acl.c:1134
do_set_acl+0xc8/0x1ac fs/posix_acl.c:1279
do_setxattr fs/xattr.c:626 [inline]
path_setxattr+0x334/0x428 fs/xattr.c:658
__do_sys_lsetxattr fs/xattr.c:683 [inline]
__se_sys_lsetxattr fs/xattr.c:679 [inline]
__arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:679
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #3 (&oi->ip_xattr_sem){++++}-{3:3}:
down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
ocfs2_init_acl+0x2c8/0x764 fs/ocfs2/acl.c:366
ocfs2_mknod+0x1388/0x243c fs/ocfs2/namei.c:408
ocfs2_create+0x194/0x4e0 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3595 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3930
do_filp_open+0x1bc/0x3cc fs/namei.c:3960
do_sys_openat2+0x124/0x1b8 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]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #2 (jbd2_handle){++++}-{0:0}:
start_this_handle+0xf34/0x11c4 fs/jbd2/transaction.c:448
jbd2__journal_start+0x298/0x544 fs/jbd2/transaction.c:505
jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:544
ocfs2_start_trans+0x3d0/0x71c fs/ocfs2/journal.c:352
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline]
ocfs2_reserve_suballoc_bits+0x840/0x4288 fs/ocfs2/suballoc.c:832
ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982
ocfs2_mknod+0xdc8/0x243c fs/ocfs2/namei.c:345
ocfs2_create+0x194/0x4e0 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3595 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3930
do_filp_open+0x1bc/0x3cc fs/namei.c:3960
do_sys_openat2+0x124/0x1b8 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]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #1 (&journal->j_trans_barrier){.+.+}-{3:3}:
down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
ocfs2_start_trans+0x3c4/0x71c fs/ocfs2/journal.c:350
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline]
ocfs2_reserve_suballoc_bits+0x840/0x4288 fs/ocfs2/suballoc.c:832
ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982
ocfs2_mknod+0xdc8/0x243c fs/ocfs2/namei.c:345
ocfs2_create+0x194/0x4e0 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3595 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3930
do_filp_open+0x1bc/0x3cc fs/namei.c:3960
do_sys_openat2+0x124/0x1b8 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]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #0 (sb_internal#4){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x33f8/0x77c8 kernel/locking/lockdep.c:5202
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5825
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1716 [inline]
sb_start_intwrite include/linux/fs.h:1899 [inline]
ocfs2_start_trans+0x244/0x71c fs/ocfs2/journal.c:348
__ocfs2_write_remove_suid+0x1ac/0x7b0 fs/ocfs2/file.c:1385
ocfs2_write_remove_suid fs/ocfs2/file.c:1426 [inline]
ocfs2_prepare_inode_for_write fs/ocfs2/file.c:2303 [inline]
ocfs2_file_write_iter+0x8ac/0x1e10 fs/ocfs2/file.c:2441
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0x920/0xcf4 fs/read_write.c:683
ksys_write+0x15c/0x26c fs/read_write.c:736
__do_sys_write fs/read_write.c:748 [inline]
__se_sys_write fs/read_write.c:745 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:745
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
other info that might help us debug this:
Chain exists of:
sb_internal#4 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
rlock(&oi->ip_alloc_sem);
lock(&oi->ip_xattr_sem);
lock(&oi->ip_alloc_sem);
rlock(sb_internal#4);
*** DEADLOCK ***
4 locks held by syz.5.170/7612:
#0: ffff0000d1ba95f8 (&f->f_pos_lock){+.+.}-{3:3}, at: fdget_pos+0x214/0x2a0 fs/file.c:1160
#1: ffff0000dfae4420 (sb_writers#19){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline]
#1: ffff0000dfae4420 (sb_writers#19){.+.+}-{0:0}, at: vfs_write+0x354/0xcf4 fs/read_write.c:679
#2: ffff0000ef329800 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#2: ffff0000ef329800 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x390/0x1e10 fs/ocfs2/file.c:2391
#3: ffff0000ef3294a0 (&oi->ip_alloc_sem){++++}-{3:3}, at: ocfs2_inode_lock_for_extent_tree+0xf0/0x1cc fs/ocfs2/file.c:2202
stack backtrace:
CPU: 0 UID: 60928 PID: 7612 Comm: syz.5.170 Not tainted 6.12.0-rc5-syzkaller-g1bf329c696cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C)
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
dump_stack+0x1c/0x28 lib/dump_stack.c:129
print_circular_bug+0x154/0x1c0 kernel/locking/lockdep.c:2074
check_noncircular+0x310/0x404 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 kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x33f8/0x77c8 kernel/locking/lockdep.c:5202
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5825
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1716 [inline]
sb_start_intwrite include/linux/fs.h:1899 [inline]
ocfs2_start_trans+0x244/0x71c fs/ocfs2/journal.c:348
__ocfs2_write_remove_suid+0x1ac/0x7b0 fs/ocfs2/file.c:1385
ocfs2_write_remove_suid fs/ocfs2/file.c:1426 [inline]
ocfs2_prepare_inode_for_write fs/ocfs2/file.c:2303 [inline]
ocfs2_file_write_iter+0x8ac/0x1e10 fs/ocfs2/file.c:2441
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0x920/0xcf4 fs/read_write.c:683
ksys_write+0x15c/0x26c fs/read_write.c:736
__do_sys_write fs/read_write.c:748 [inline]
__se_sys_write fs/read_write.c:745 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:745
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600