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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqrADxwIAAAAAwvyto+jbAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgVwAAAP//T/QgLg==") r4 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') r5 = open(&(0x7f0000000200)='./bus\x00', 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000400)='.\x00', &(0x7f0000000440)='system.posix_acl_default\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="02000000010000000000000002000000", @ANYRES32=0xee01, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0x0, @ANYBLOB="040000000000800008000000", @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="100000000000000020"], 0x5c, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0\x00', 0x0, 0x101091, 0x0) r6 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mkdirat(r6, &(0x7f0000000440)='./bus\x00', 0x41) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) chdir(&(0x7f00000000c0)='./bus\x00') rmdir(&(0x7f0000000040)='./file0\x00') mkdir(&(0x7f0000005800)='./file0\x00', 0x0) ioctl$BLKROSET(r5, 0x125d, &(0x7f0000000080)=0x3f) r7 = syz_open_dev$video4linux(&(0x7f0000000100), 0xffffffff, 0x0) ioctl$VIDIOC_SUBDEV_G_SELECTION(r7, 0xc040563d, &(0x7f0000000000)={0x1, 0x2000000, 0xb0ce81821db1894f}) ioctl$VIDIOC_S_HW_FREQ_SEEK(r5, 0x40305652, &(0x7f0000000000)={0x5, 0x3, 0x800, 0x4, 0x9, 0x0, 0x6}) setns(r4, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) [ 75.224047][ T5296] Bluetooth: hci0: command tx timeout [ 75.294628][ T5312] Driver unsupported XDP return value 0 on prog (id 2) dev N/A, expect packet loss! [ 75.588219][ T5312] loop0: detected capacity change from 0 to 32768 [ 75.595051][ T5312] ======================================================= [ 75.595051][ T5312] WARNING: The mand mount option has been deprecated and [ 75.595051][ T5312] and is ignored by this kernel. Remove the mand [ 75.595051][ T5312] option from the mount to silence this warning. [ 75.595051][ T5312] ======================================================= [ 75.657564][ T5312] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 75.684522][ T5312] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.699334][ T5312] (syz.0.0,5312,0):ocfs2_read_blocks:239 ERROR: status = -12 [ 75.702314][ T5312] (syz.0.0,5312,0):ocfs2_xattr_block_find:2831 ERROR: status = -12 [ 75.738036][ T5312] [ 75.739141][ T5312] ====================================================== [ 75.741988][ T5312] WARNING: possible circular locking dependency detected [ 75.744925][ T5312] 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 Not tainted [ 75.747891][ T5312] ------------------------------------------------------ [ 75.751015][ T5312] syz.0.0/5312 is trying to acquire lock: [ 75.753545][ T5312] ffff888045a68610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x969/0x1b40 [ 75.757657][ T5312] [ 75.757657][ T5312] but task is already holding lock: [ 75.760734][ T5312] ffff888045156a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 [ 75.764676][ T5312] [ 75.764676][ T5312] which lock already depends on the new lock. [ 75.764676][ T5312] [ 75.769086][ T5312] [ 75.769086][ T5312] the existing dependency chain (in reverse order) is: [ 75.772888][ T5312] [ 75.772888][ T5312] -> #4 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 75.776144][ T5312] lock_acquire+0x120/0x360 [ 75.778285][ T5312] down_write+0x96/0x1f0 [ 75.780373][ T5312] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 75.783454][ T5312] ocfs2_xattr_set+0x595/0x11f0 [ 75.785850][ T5312] ocfs2_set_acl+0x701/0x7b0 [ 75.788072][ T5312] ocfs2_iop_set_acl+0x1aa/0x2a0 [ 75.790461][ T5312] vfs_remove_acl+0x489/0x700 [ 75.792670][ T5312] ovl_workdir_create+0x508/0x810 [ 75.795126][ T5312] ovl_get_workdir+0x324/0x1700 [ 75.797514][ T5312] ovl_fill_super+0x1386/0x35d0 [ 75.799852][ T5312] get_tree_nodev+0xb8/0x150 [ 75.802192][ T5312] vfs_get_tree+0x8f/0x2b0 [ 75.804262][ T5312] do_new_mount+0x24a/0xa40 [ 75.806483][ T5312] __se_sys_mount+0x317/0x410 [ 75.808815][ T5312] do_syscall_64+0xf6/0x210 [ 75.811129][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.814073][ T5312] [ 75.814073][ T5312] -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: [ 75.817541][ T5312] lock_acquire+0x120/0x360 [ 75.819742][ T5312] down_read+0x46/0x2e0 [ 75.821906][ T5312] ocfs2_init_acl+0x2f9/0x720 [ 75.824235][ T5312] ocfs2_mknod+0x1321/0x2050 [ 75.826523][ T5312] ocfs2_mkdir+0x191/0x440 [ 75.828743][ T5312] vfs_mkdir+0x303/0x510 [ 75.830829][ T5312] do_mkdirat+0x247/0x590 [ 75.833046][ T5312] __x64_sys_mkdirat+0x87/0xa0 [ 75.835393][ T5312] do_syscall_64+0xf6/0x210 [ 75.837655][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.840528][ T5312] [ 75.840528][ T5312] -> #2 (jbd2_handle){++++}-{0:0}: [ 75.843794][ T5312] lock_acquire+0x120/0x360 [ 75.846084][ T5312] start_this_handle+0x1fa7/0x21c0 [ 75.848603][ T5312] jbd2__journal_start+0x2c1/0x5b0 [ 75.851151][ T5312] jbd2_journal_start+0x2a/0x40 [ 75.853555][ T5312] ocfs2_start_trans+0x376/0x6d0 [ 75.855975][ T5312] ocfs2_mknod+0xe93/0x2050 [ 75.858265][ T5312] ocfs2_mkdir+0x191/0x440 [ 75.860468][ T5312] vfs_mkdir+0x303/0x510 [ 75.862685][ T5312] do_mkdirat+0x247/0x590 [ 75.864897][ T5312] __x64_sys_mkdirat+0x87/0xa0 [ 75.867273][ T5312] do_syscall_64+0xf6/0x210 [ 75.869590][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.872473][ T5312] [ 75.872473][ T5312] -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 75.875927][ T5312] lock_acquire+0x120/0x360 [ 75.877991][ T5312] down_read+0x46/0x2e0 [ 75.879911][ T5312] ocfs2_start_trans+0x36a/0x6d0 [ 75.882221][ T5312] ocfs2_mknod+0xe93/0x2050 [ 75.884277][ T5312] ocfs2_mkdir+0x191/0x440 [ 75.886309][ T5312] vfs_mkdir+0x303/0x510 [ 75.888192][ T5312] do_mkdirat+0x247/0x590 [ 75.890433][ T5312] __x64_sys_mkdirat+0x87/0xa0 [ 75.892784][ T5312] do_syscall_64+0xf6/0x210 [ 75.895049][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.897909][ T5312] [ 75.897909][ T5312] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 75.901250][ T5312] validate_chain+0xb9b/0x2140 [ 75.903595][ T5312] __lock_acquire+0xaac/0xd20 [ 75.905847][ T5312] lock_acquire+0x120/0x360 [ 75.907973][ T5312] ocfs2_start_trans+0x26b/0x6d0 [ 75.910329][ T5312] ocfs2_setattr+0x969/0x1b40 [ 75.912599][ T5312] notify_change+0xb33/0xe40 [ 75.914691][ T5312] ovl_workdir_create+0x68b/0x810 [ 75.917122][ T5312] ovl_get_workdir+0x324/0x1700 [ 75.919457][ T5312] ovl_fill_super+0x1386/0x35d0 [ 75.921788][ T5312] get_tree_nodev+0xb8/0x150 [ 75.923964][ T5312] vfs_get_tree+0x8f/0x2b0 [ 75.926197][ T5312] do_new_mount+0x24a/0xa40 [ 75.928390][ T5312] __se_sys_mount+0x317/0x410 [ 75.930608][ T5312] do_syscall_64+0xf6/0x210 [ 75.932807][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.935690][ T5312] [ 75.935690][ T5312] other info that might help us debug this: [ 75.935690][ T5312] [ 75.939989][ T5312] Chain exists of: [ 75.939989][ T5312] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 75.939989][ T5312] [ 75.945821][ T5312] Possible unsafe locking scenario: [ 75.945821][ T5312] [ 75.948954][ T5312] CPU0 CPU1 [ 75.951291][ T5312] ---- ---- [ 75.953615][ T5312] lock(&oi->ip_alloc_sem); [ 75.955676][ T5312] lock(&oi->ip_xattr_sem); [ 75.958760][ T5312] lock(&oi->ip_alloc_sem); [ 75.961942][ T5312] rlock(sb_internal#2); [ 75.963904][ T5312] [ 75.963904][ T5312] *** DEADLOCK *** [ 75.963904][ T5312] [ 75.967378][ T5312] 5 locks held by syz.0.0/5312: [ 75.969494][ T5312] #0: ffff8880434720e0 (&type->s_umount_key#49/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970 [ 75.973772][ T5312] #1: ffff888045a68420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 75.977737][ T5312] #2: ffff888045155f40 (&sb->s_type->i_mutex_key#20/1){+.+.}-{4:4}, at: ovl_workdir_create+0x143/0x810 [ 75.982262][ T5312] #3: ffff888045156d80 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: ovl_workdir_create+0x610/0x810 [ 75.986881][ T5312] #4: ffff888045156a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 [ 75.990920][ T5312] [ 75.990920][ T5312] stack backtrace: [ 75.993426][ T5312] CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full) [ 75.993440][ T5312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.993446][ T5312] Call Trace: [ 75.993454][ T5312] [ 75.993462][ T5312] dump_stack_lvl+0x189/0x250 [ 75.993482][ T5312] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.993496][ T5312] ? __pfx__printk+0x10/0x10 [ 75.993507][ T5312] ? print_lock_name+0xde/0x100 [ 75.993524][ T5312] print_circular_bug+0x2ee/0x310 [ 75.993535][ T5312] check_noncircular+0x134/0x160 [ 75.993546][ T5312] validate_chain+0xb9b/0x2140 [ 75.993557][ T5312] ? lockdep_unlock+0x89/0x120 [ 75.993571][ T5312] __lock_acquire+0xaac/0xd20 [ 75.993586][ T5312] ? ocfs2_setattr+0x969/0x1b40 [ 75.993596][ T5312] lock_acquire+0x120/0x360 [ 75.993607][ T5312] ? ocfs2_setattr+0x969/0x1b40 [ 75.993619][ T5312] ? do_raw_spin_unlock+0x4d/0x240 [ 75.993630][ T5312] ocfs2_start_trans+0x26b/0x6d0 [ 75.993643][ T5312] ? ocfs2_setattr+0x969/0x1b40 [ 75.993655][ T5312] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 75.993669][ T5312] ? setattr_prepare+0x1e7/0xac0 [ 75.993680][ T5312] ocfs2_setattr+0x969/0x1b40 [ 75.993692][ T5312] ? __pfx_ocfs2_setattr+0x10/0x10 [ 75.993702][ T5312] ? ktime_get_coarse_real_ts64_mg+0x57/0x210 [ 75.993713][ T5312] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 75.993725][ T5312] ? ktime_get_coarse_real_ts64_mg+0x1f5/0x210 [ 75.993741][ T5312] ? current_time+0x222/0x370 [ 75.993754][ T5312] ? evm_inode_setattr+0x1bd/0x7d0 [ 75.993769][ T5312] ? __pfx_current_time+0x10/0x10 [ 75.993782][ T5312] ? try_break_deleg+0x79/0x130 [ 75.993790][ T5312] ? __pfx_ocfs2_setattr+0x10/0x10 [ 75.993801][ T5312] notify_change+0xb33/0xe40 [ 75.993813][ T5312] ovl_workdir_create+0x68b/0x810 [ 75.993824][ T5312] ? mnt_get_write_access+0x68/0x2a0 [ 75.993840][ T5312] ? __pfx_ovl_workdir_create+0x10/0x10 [ 75.993851][ T5312] ? mnt_get_write_access+0x223/0x2a0 [ 75.993866][ T5312] ovl_get_workdir+0x324/0x1700 [ 75.993879][ T5312] ? __pfx_ovl_get_workdir+0x10/0x10 [ 75.993889][ T5312] ? __lock_acquire+0xaac/0xd20 [ 75.993904][ T5312] ? do_raw_spin_lock+0x121/0x290 [ 75.993915][ T5312] ? do_raw_spin_unlock+0x4d/0x240 [ 75.993925][ T5312] ? _raw_spin_unlock+0x28/0x50 [ 75.993935][ T5312] ? ovl_inuse_trylock+0xae/0xf0 [ 75.993946][ T5312] ovl_fill_super+0x1386/0x35d0 [ 75.993957][ T5312] ? rcu_is_watching+0x15/0xb0 [ 75.993974][ T5312] ? shrinker_register+0x124/0x230 [ 75.993985][ T5312] ? __pfx_ovl_fill_super+0x10/0x10 [ 75.993994][ T5312] ? __pfx___mutex_lock+0x10/0x10 [ 75.994007][ T5312] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 75.994019][ T5312] ? __raw_spin_lock_init+0x45/0x100 [ 75.994039][ T5312] ? sget_fc+0x962/0xa40 [ 75.994048][ T5312] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.994057][ T5312] ? __pfx_ovl_fill_super+0x10/0x10 [ 75.994066][ T5312] get_tree_nodev+0xb8/0x150 [ 75.994079][ T5312] vfs_get_tree+0x8f/0x2b0 [ 75.994090][ T5312] do_new_mount+0x24a/0xa40 [ 75.994106][ T5312] __se_sys_mount+0x317/0x410 [ 75.994121][ T5312] ? __pfx___se_sys_mount+0x10/0x10 [ 75.994136][ T5312] ? do_syscall_64+0xba/0x210 [ 75.994147][ T5312] ? __x64_sys_mount+0x20/0xc0 [ 75.994158][ T5312] do_syscall_64+0xf6/0x210 [ 75.994171][ T5312] ? clear_bhb_loop+0x45/0xa0 [ 75.994182][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.994191][ T5312] RIP: 0033:0x7fae15b8e969 [ 75.994204][ T5312] 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 [ 75.994212][ T5312] RSP: 002b:00007fae169ee038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.994222][ T5312] RAX: ffffffffffffffda RBX: 00007fae15db5fa0 RCX: 00007fae15b8e969 [ 75.994229][ T5312] RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 0000000000000000 [ 75.994239][ T5312] RBP: 00007fae15c10ab1 R08: 0000200000000400 R09: 0000000000000000 [ 75.994245][ T5312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.994251][ T5312] R13: 0000000000000000 R14: 00007fae15db5fa0 R15: 00007ffda18954e8 [ 75.994261][ T5312] [ 76.188268][ T5312] overlayfs: upper fs does not support tmpfile. [ 76.191386][ T5312] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 76.196581][ T5312] overlayfs: upper fs missing required features. [ 76.214331][ T5312] ocfs2: Unmounting device (7,0) on (node local)