======================================================
WARNING: possible circular locking dependency detected
6.1.110-syzkaller #0 Not tainted
------------------------------------------------------
syz.4.1034/7432 is trying to acquire lock:
ffff888058bd06f8 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365
but task is already holding lock:
ffff888054728990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1f51/0x21b0 fs/jbd2/transaction.c:463
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #5 (jbd2_handle){++++}-{0:0}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
start_this_handle+0x1f71/0x21b0 fs/jbd2/transaction.c:463
jbd2__journal_start+0x2d1/0x5c0 fs/jbd2/transaction.c:520
jbd2_journal_start+0x25/0x30 fs/jbd2/transaction.c:559
ocfs2_start_trans+0x3c0/0x6f0 fs/ocfs2/journal.c:354
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:681 [inline]
ocfs2_reserve_suballoc_bits+0x8f8/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3273
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3630
ocfs2_set_acl+0x4cb/0x570 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x252/0x3c0 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_lsetxattr fs/xattr.c:659 [inline]
__se_sys_lsetxattr fs/xattr.c:655 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #4 (&journal->j_trans_barrier){.+.+}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
ocfs2_start_trans+0x3b5/0x6f0 fs/ocfs2/journal.c:352
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:681 [inline]
ocfs2_reserve_suballoc_bits+0x8f8/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3273
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3630
ocfs2_set_acl+0x4cb/0x570 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x252/0x3c0 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_lsetxattr fs/xattr.c:659 [inline]
__se_sys_lsetxattr fs/xattr.c:655 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #3 (sb_internal#4){.+.+}-{0:0}:
lock_acquire+0x1f8/0x5a0 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+0x2b0/0x6f0 fs/ocfs2/journal.c:350
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:681 [inline]
ocfs2_reserve_suballoc_bits+0x8f8/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3273
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3630
ocfs2_set_acl+0x4cb/0x570 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x252/0x3c0 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_lsetxattr fs/xattr.c:659 [inline]
__se_sys_lsetxattr fs/xattr.c:655 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #2 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_reserve_suballoc_bits+0x182/0x5190 fs/ocfs2/suballoc.c:782
ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1128 [inline]
ocfs2_reserve_clusters_with_limit+0x3d9/0xb50 fs/ocfs2/suballoc.c:1173
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:670 [inline]
ocfs2_reserve_suballoc_bits+0x8da/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3273
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3630
ocfs2_set_acl+0x4cb/0x570 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x252/0x3c0 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_lsetxattr fs/xattr.c:659 [inline]
__se_sys_lsetxattr fs/xattr.c:655 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_reserve_suballoc_bits+0x182/0x5190 fs/ocfs2/suballoc.c:782
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3273
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3630
ocfs2_set_acl+0x4cb/0x570 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x252/0x3c0 fs/ocfs2/acl.c:285
set_posix_acl fs/posix_acl.c:1160 [inline]
posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_lsetxattr fs/xattr.c:659 [inline]
__se_sys_lsetxattr fs/xattr.c:655 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #0 (&oi->ip_xattr_sem){++++}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365
ocfs2_mknod+0x1f75/0x2e20 fs/ocfs2/namei.c:408
ocfs2_create+0x1c0/0x4e0 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3484 [inline]
open_last_lookups fs/namei.c:3552 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3782
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x4f0 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]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
&oi->ip_xattr_sem --> &journal->j_trans_barrier --> jbd2_handle
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(jbd2_handle);
lock(&journal->j_trans_barrier);
lock(jbd2_handle);
lock(&oi->ip_xattr_sem);
*** DEADLOCK ***
8 locks held by syz.4.1034/7432:
#0: ffff8880744ae460 (sb_writers#26){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff888058bd09c8 (&type->i_mutex_dir_key#18){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff888058bd09c8 (&type->i_mutex_dir_key#18){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3549 [inline]
#1: ffff888058bd09c8 (&type->i_mutex_dir_key#18){+.+.}-{3:3}, at: path_openat+0x7b6/0x2e60 fs/namei.c:3782
#2: ffff888058bc1808 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#2: ffff888058bc1808 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x182/0x5190 fs/ocfs2/suballoc.c:782
#3: ffff888058bc09c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#3: ffff888058bc09c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x182/0x5190 fs/ocfs2/suballoc.c:782
#4: ffff888058bc3488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#4: ffff888058bc3488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0x127/0x29d0 fs/ocfs2/localalloc.c:635
#5: ffff8880744ae650 (sb_internal#4){.+.+}-{0:0}, at: ocfs2_mknod+0x1638/0x2e20 fs/ocfs2/namei.c:359
#6: ffff888017ea18e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3b5/0x6f0 fs/ocfs2/journal.c:352
#7: ffff888054728990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1f51/0x21b0 fs/jbd2/transaction.c:463
stack backtrace:
CPU: 0 PID: 7432 Comm: syz.4.1034 Not tainted 6.1.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
check_noncircular+0x2fa/0x3b0 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+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365
ocfs2_mknod+0x1f75/0x2e20 fs/ocfs2/namei.c:408
ocfs2_create+0x1c0/0x4e0 fs/ocfs2/namei.c:672
lookup_open fs/namei.c:3484 [inline]
open_last_lookups fs/namei.c:3552 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3782
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x4f0 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]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe2d757def9
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:00007fe2d83cd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe2d7736058 RCX: 00007fe2d757def9
RDX: 00000000000026e1 RSI: 0000000020000500 RDI: ffffffffffffff9c
RBP: 00007fe2d75f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe2d7736058 R15: 00007ffef1e24a08
</TASK>