loop0: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 5.15.167-syzkaller #0 Not tainted ------------------------------------------------------ syz.0.50/3884 is trying to acquire lock: ffff888061f9ce38 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365 but task is already holding lock: ffff88801c038990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12b9/0x1570 fs/jbd2/transaction.c:462 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (jbd2_handle){++++}-{0:0}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 jbd2_log_wait_commit+0x16b/0x490 fs/jbd2/journal.c:697 ocfs2_try_to_free_truncate_log+0x376/0x410 fs/ocfs2/alloc.c:6133 ocfs2_reserve_clusters_with_limit+0x4e6/0xb50 fs/ocfs2/suballoc.c:1180 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_allocate_unwritten_extents+0x394/0x9e0 fs/ocfs2/file.c:1496 __ocfs2_change_file_space+0x8ce/0xf60 fs/ocfs2/file.c:2015 ocfs2_fallocate+0x2dc/0x350 fs/ocfs2/file.c:2130 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 ksys_fallocate fs/open.c:331 [inline] __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #2 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:789 [inline] ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978 ocfs2_reserve_new_metadata fs/ocfs2/suballoc.c:1021 [inline] ocfs2_lock_allocators+0x2a5/0x620 fs/ocfs2/suballoc.c:2658 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_allocate_unwritten_extents+0x394/0x9e0 fs/ocfs2/file.c:1496 __ocfs2_change_file_space+0x8ce/0xf60 fs/ocfs2/file.c:2015 ocfs2_fallocate+0x2dc/0x350 fs/ocfs2/file.c:2130 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 ksys_fallocate fs/open.c:331 [inline] __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&oi->ip_alloc_sem){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 ocfs2_try_remove_refcount_tree+0xb2/0x330 fs/ocfs2/refcounttree.c:931 ocfs2_truncate_file+0xe3c/0x14f0 fs/ocfs2/file.c:517 ocfs2_setattr+0x165e/0x1c70 fs/ocfs2/file.c:1212 notify_change+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 handle_truncate fs/namei.c:3265 [inline] do_open fs/namei.c:3612 [inline] path_openat+0x28a3/0x2f20 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_open fs/open.c:1277 [inline] __se_sys_open fs/open.c:1273 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1273 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&oi->ip_xattr_sem){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365 ocfs2_mknod+0x1e8f/0x2cd0 fs/ocfs2/namei.c:408 ocfs2_mkdir+0x194/0x430 fs/ocfs2/namei.c:655 vfs_mkdir+0x3b6/0x590 fs/namei.c:4065 do_mkdirat+0x260/0x520 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &oi->ip_xattr_sem --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(jbd2_handle); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); lock(jbd2_handle); lock(&oi->ip_xattr_sem); *** DEADLOCK *** 8 locks held by syz.0.50/3884: #0: ffff88801b5c6460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff888061f9d108 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline] #1: ffff888061f9d108 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3835 #2: ffff8880601ed108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #2: ffff8880601ed108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 #3: ffff8880601ec2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #3: ffff8880601ec2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 #4: ffff8880601eed88 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #4: ffff8880601eed88 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0x12e/0x27a0 fs/ocfs2/localalloc.c:635 #5: ffff88801b5c6650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_mknod+0x15bb/0x2cd0 fs/ocfs2/namei.c:359 #6: ffff88805fe3e4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3b7/0x6f0 fs/ocfs2/journal.c:352 #7: ffff88801c038990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12b9/0x1570 fs/jbd2/transaction.c:462 stack backtrace: CPU: 1 PID: 3884 Comm: syz.0.50 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_init_acl+0x398/0x930 fs/ocfs2/acl.c:365 ocfs2_mknod+0x1e8f/0x2cd0 fs/ocfs2/namei.c:408 ocfs2_mkdir+0x194/0x430 fs/ocfs2/namei.c:655 vfs_mkdir+0x3b6/0x590 fs/namei.c:4065 do_mkdirat+0x260/0x520 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1ccd2deef9 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:00007f1ccb757038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f1ccd496f80 RCX: 00007f1ccd2deef9 RDX: 0000000000000000 RSI: 0000000020002040 RDI: ffffffffffffff9c RBP: 00007f1ccd351b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1ccd496f80 R15: 00007ffee8ae74d8