loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.11.0-rc6-syzkaller-00308-gb31c44928842 #0 Not tainted
------------------------------------------------------
syz.0.0/5115 is trying to acquire lock:
ffff88801e03a610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_orphan_for_truncate fs/ocfs2/file.c:396 [inline]
ffff88801e03a610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_truncate_file+0x68c/0x1560 fs/ocfs2/file.c:500
but task is already holding lock:
ffff888012f15be0 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_truncate_file+0x372/0x1560 fs/ocfs2/file.c:471
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&oi->ip_alloc_sem){+.+.}-{3:3}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
down_write+0x99/0x220 kernel/locking/rwsem.c:1579
ocfs2_try_remove_refcount_tree+0xb6/0x330 fs/ocfs2/refcounttree.c:931
ocfs2_xattr_set+0xa4f/0x1930 fs/ocfs2/xattr.c:3670
ocfs2_set_acl+0x4cb/0x580 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x24a/0x3c0 fs/ocfs2/acl.c:286
set_posix_acl fs/posix_acl.c:955 [inline]
vfs_set_acl+0x7fd/0xa60 fs/posix_acl.c:1134
do_setxattr fs/xattr.c:626 [inline]
path_setxattr+0x3bd/0x4d0 fs/xattr.c:658
__do_sys_lsetxattr fs/xattr.c:683 [inline]
__se_sys_lsetxattr fs/xattr.c:679 [inline]
__x64_sys_lsetxattr+0xb8/0xd0 fs/xattr.c:679
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #3 (&oi->ip_xattr_sem){++++}-{3:3}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526
ocfs2_init_acl+0x397/0x930 fs/ocfs2/acl.c:366
ocfs2_mknod+0x1c05/0x2b40 fs/ocfs2/namei.c:408
ocfs2_mkdir+0x1ab/0x480 fs/ocfs2/namei.c:655
vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4210
do_mkdirat+0x264/0x3a0 fs/namei.c:4233
__do_sys_mkdirat fs/namei.c:4248 [inline]
__se_sys_mkdirat fs/namei.c:4246 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4246
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #2 (jbd2_handle){.+.+}-{0:0}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
start_this_handle+0x1eb4/0x2110 fs/jbd2/transaction.c:448
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
jbd2_journal_start+0x29/0x40 fs/jbd2/transaction.c:544
ocfs2_start_trans+0x3c9/0x700 fs/ocfs2/journal.c:352
ocfs2_mknod+0x150c/0x2b40 fs/ocfs2/namei.c:359
ocfs2_mkdir+0x1ab/0x480 fs/ocfs2/namei.c:655
vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4210
do_mkdirat+0x264/0x3a0 fs/namei.c:4233
__do_sys_mkdirat fs/namei.c:4248 [inline]
__se_sys_mkdirat fs/namei.c:4246 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4246
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&journal->j_trans_barrier){.+.+}-{3:3}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526
ocfs2_start_trans+0x3be/0x700 fs/ocfs2/journal.c:350
ocfs2_mknod+0x150c/0x2b40 fs/ocfs2/namei.c:359
ocfs2_mkdir+0x1ab/0x480 fs/ocfs2/namei.c:655
vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4210
do_mkdirat+0x264/0x3a0 fs/namei.c:4233
__do_sys_mkdirat fs/namei.c:4248 [inline]
__se_sys_mkdirat fs/namei.c:4246 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4246
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (sb_internal#2){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3133 [inline]
check_prevs_add kernel/locking/lockdep.c:3252 [inline]
validate_chain+0x18e0/0x5900 kernel/locking/lockdep.c:3868
__lock_acquire+0x137a/0x2040 kernel/locking/lockdep.c:5142
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1676 [inline]
sb_start_intwrite include/linux/fs.h:1859 [inline]
ocfs2_start_trans+0x2b9/0x700 fs/ocfs2/journal.c:348
ocfs2_orphan_for_truncate fs/ocfs2/file.c:396 [inline]
ocfs2_truncate_file+0x68c/0x1560 fs/ocfs2/file.c:500
ocfs2_setattr+0x1217/0x1f50 fs/ocfs2/file.c:1208
notify_change+0xbca/0xe90 fs/attr.c:503
do_truncate+0x220/0x310 fs/open.c:65
vfs_truncate+0x2e1/0x3b0 fs/open.c:111
do_sys_truncate+0xdb/0x190 fs/open.c:134
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&oi->ip_alloc_sem);
lock(&oi->ip_xattr_sem);
lock(&oi->ip_alloc_sem);
rlock(sb_internal#2);
*** DEADLOCK ***
3 locks held by syz.0.0/5115:
#0: ffff88801e03a420 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888012f15f40 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
#1: ffff888012f15f40 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: do_truncate+0x20c/0x310 fs/open.c:63
#2: ffff888012f15be0 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_truncate_file+0x372/0x1560 fs/ocfs2/file.c:471
stack backtrace:
CPU: 0 UID: 0 PID: 5115 Comm: syz.0.0 Not tainted 6.11.0-rc6-syzkaller-00308-gb31c44928842 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2186
check_prev_add kernel/locking/lockdep.c:3133 [inline]
check_prevs_add kernel/locking/lockdep.c:3252 [inline]
validate_chain+0x18e0/0x5900 kernel/locking/lockdep.c:3868
__lock_acquire+0x137a/0x2040 kernel/locking/lockdep.c:5142
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1676 [inline]
sb_start_intwrite include/linux/fs.h:1859 [inline]
ocfs2_start_trans+0x2b9/0x700 fs/ocfs2/journal.c:348
ocfs2_orphan_for_truncate fs/ocfs2/file.c:396 [inline]
ocfs2_truncate_file+0x68c/0x1560 fs/ocfs2/file.c:500
ocfs2_setattr+0x1217/0x1f50 fs/ocfs2/file.c:1208
notify_change+0xbca/0xe90 fs/attr.c:503
do_truncate+0x220/0x310 fs/open.c:65
vfs_truncate+0x2e1/0x3b0 fs/open.c:111
do_sys_truncate+0xdb/0x190 fs/open.c:134
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa3d557cef9
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:00007fa3d6293038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fa3d5735f80 RCX: 00007fa3d557cef9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007fa3d55ef046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa3d5735f80 R15: 00007ffcf54a5eb8
</TASK>