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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqirswLEAAAAAgDB/6yj6NgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAXwEAAP//aZ8flA==") mknod$loop(&(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x1) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) ppoll(&(0x7f0000000100)=[{r0, 0xb341}, {r0, 0x4245}, {r0, 0x6210}, {r1, 0x8421}, {r1, 0x400}, {r1, 0x80}], 0x6, &(0x7f0000000180), &(0x7f00000002c0)={[0xfffffffffffffffc]}, 0x8) r2 = openat$audio1(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) mmap$dsp(&(0x7f000031b000/0x3000)=nil, 0x3000, 0x3, 0x110, r2, 0x0) mkdir(&(0x7f0000000040)='./file1\x00', 0x0) mkdir(&(0x7f0000000000)='./bus\x00', 0x1) mount$overlay(0x0, &(0x7f00000001c0)='./file1\x00', &(0x7f0000000280), 0x0, &(0x7f0000000580)={[{@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@verity_require}]}) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000200)='mounts\x00') r3 = syz_open_dev$sndpcmp(&(0x7f0000000000), 0x3ff, 0x122502) mmap$snddsp_control(&(0x7f0000281000/0x8000)=nil, 0x1000, 0x3, 0x30, r3, 0x83000000) exit(0x0) [ 87.525793][ T54] cfg80211: failed to load regulatory.db [ 87.529277][ T4706] Bluetooth: hci0: command tx timeout [ 88.079741][ T5359] loop0: detected capacity change from 0 to 32768 [ 88.093419][ T5359] ======================================================= [ 88.093419][ T5359] WARNING: The mand mount option has been deprecated and [ 88.093419][ T5359] and is ignored by this kernel. Remove the mand [ 88.093419][ T5359] option from the mount to silence this warning. [ 88.093419][ T5359] ======================================================= [ 88.162578][ T5359] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 88.190585][ T5359] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 88.234479][ T5359] [ 88.235579][ T5359] ====================================================== [ 88.238703][ T5359] WARNING: possible circular locking dependency detected [ 88.242002][ T5359] syzkaller #0 Not tainted [ 88.244188][ T5359] ------------------------------------------------------ [ 88.247353][ T5359] syz.0.0/5359 is trying to acquire lock: [ 88.249751][ T5359] ffff8880365b0618 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x969/0x1b40 [ 88.253751][ T5359] [ 88.253751][ T5359] but task is already holding lock: [ 88.256941][ T5359] ffff888044666a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 [ 88.261601][ T5359] [ 88.261601][ T5359] which lock already depends on the new lock. [ 88.261601][ T5359] [ 88.265924][ T5359] [ 88.265924][ T5359] the existing dependency chain (in reverse order) is: [ 88.269462][ T5359] [ 88.269462][ T5359] -> #4 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 88.272653][ T5359] lock_acquire+0x120/0x360 [ 88.274761][ T5359] down_write+0x96/0x1f0 [ 88.276767][ T5359] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 88.279641][ T5359] ocfs2_xattr_set+0x595/0x11f0 [ 88.282506][ T5359] ocfs2_set_acl+0x701/0x7b0 [ 88.284878][ T5359] ocfs2_iop_set_acl+0x1aa/0x2a0 [ 88.287177][ T5359] vfs_remove_acl+0x48c/0x700 [ 88.289393][ T5359] ovl_workdir_create+0x594/0x8b0 [ 88.291866][ T5359] ovl_get_workdir+0x32f/0x17c0 [ 88.294291][ T5359] ovl_fill_super+0x1365/0x35b0 [ 88.296680][ T5359] get_tree_nodev+0xb8/0x150 [ 88.298995][ T5359] vfs_get_tree+0x92/0x2b0 [ 88.301181][ T5359] do_new_mount+0x2a2/0x9e0 [ 88.303691][ T5359] __se_sys_mount+0x317/0x410 [ 88.306186][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.308387][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.311209][ T5359] [ 88.311209][ T5359] -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: [ 88.314757][ T5359] lock_acquire+0x120/0x360 [ 88.317233][ T5359] down_read+0x46/0x2e0 [ 88.319518][ T5359] ocfs2_init_acl+0x2f9/0x720 [ 88.321857][ T5359] ocfs2_mknod+0x1321/0x2050 [ 88.324055][ T5359] ocfs2_mkdir+0x191/0x440 [ 88.326213][ T5359] vfs_mkdir+0x303/0x510 [ 88.328294][ T5359] do_mkdirat+0x247/0x590 [ 88.330519][ T5359] __x64_sys_mkdir+0x6c/0x80 [ 88.332968][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.335408][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.338402][ T5359] [ 88.338402][ T5359] -> #2 (jbd2_handle){++++}-{0:0}: [ 88.341603][ T5359] lock_acquire+0x120/0x360 [ 88.343890][ T5359] start_this_handle+0x1fa7/0x21c0 [ 88.346438][ T5359] jbd2__journal_start+0x2c1/0x5b0 [ 88.348929][ T5359] jbd2_journal_start+0x2a/0x40 [ 88.351374][ T5359] ocfs2_start_trans+0x376/0x6d0 [ 88.353989][ T5359] ocfs2_mknod+0xe93/0x2050 [ 88.356440][ T5359] ocfs2_mkdir+0x191/0x440 [ 88.358971][ T5359] vfs_mkdir+0x303/0x510 [ 88.361352][ T5359] do_mkdirat+0x247/0x590 [ 88.363518][ T5359] __x64_sys_mkdir+0x6c/0x80 [ 88.365806][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.368198][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.371071][ T5359] [ 88.371071][ T5359] -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 88.374925][ T5359] lock_acquire+0x120/0x360 [ 88.377091][ T5359] down_read+0x46/0x2e0 [ 88.379200][ T5359] ocfs2_start_trans+0x36a/0x6d0 [ 88.381855][ T5359] ocfs2_mknod+0xe93/0x2050 [ 88.383994][ T5359] ocfs2_mkdir+0x191/0x440 [ 88.386157][ T5359] vfs_mkdir+0x303/0x510 [ 88.388259][ T5359] do_mkdirat+0x247/0x590 [ 88.390340][ T5359] __x64_sys_mkdir+0x6c/0x80 [ 88.392455][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.394691][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.397452][ T5359] [ 88.397452][ T5359] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 88.400797][ T5359] validate_chain+0xb9b/0x2140 [ 88.403035][ T5359] __lock_acquire+0xab9/0xd20 [ 88.405413][ T5359] lock_acquire+0x120/0x360 [ 88.407501][ T5359] ocfs2_start_trans+0x26b/0x6d0 [ 88.409995][ T5359] ocfs2_setattr+0x969/0x1b40 [ 88.412264][ T5359] notify_change+0xb36/0xe40 [ 88.414395][ T5359] ovl_workdir_create+0x722/0x8b0 [ 88.416882][ T5359] ovl_get_workdir+0x32f/0x17c0 [ 88.419258][ T5359] ovl_fill_super+0x1365/0x35b0 [ 88.421782][ T5359] get_tree_nodev+0xb8/0x150 [ 88.424223][ T5359] vfs_get_tree+0x92/0x2b0 [ 88.427010][ T5359] do_new_mount+0x2a2/0x9e0 [ 88.429731][ T5359] __se_sys_mount+0x317/0x410 [ 88.432720][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.435126][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.438013][ T5359] [ 88.438013][ T5359] other info that might help us debug this: [ 88.438013][ T5359] [ 88.442419][ T5359] Chain exists of: [ 88.442419][ T5359] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 88.442419][ T5359] [ 88.447980][ T5359] Possible unsafe locking scenario: [ 88.447980][ T5359] [ 88.451263][ T5359] CPU0 CPU1 [ 88.453627][ T5359] ---- ---- [ 88.455916][ T5359] lock(&oi->ip_alloc_sem); [ 88.457963][ T5359] lock(&oi->ip_xattr_sem); [ 88.460809][ T5359] lock(&oi->ip_alloc_sem); [ 88.463694][ T5359] rlock(sb_internal#2); [ 88.465502][ T5359] [ 88.465502][ T5359] *** DEADLOCK *** [ 88.465502][ T5359] [ 88.468990][ T5359] 4 locks held by syz.0.0/5359: [ 88.471099][ T5359] #0: ffff888041ff80e0 (&type->s_umount_key#49/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970 [ 88.475540][ T5359] #1: ffff8880365b0428 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 88.480349][ T5359] #2: ffff888044666d80 (&sb->s_type->i_mutex_key#22){+.+.}-{4:4}, at: ovl_workdir_create+0x6a8/0x8b0 [ 88.485981][ T5359] #3: ffff888044666a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 [ 88.490686][ T5359] [ 88.490686][ T5359] stack backtrace: [ 88.493290][ T5359] CPU: 0 UID: 0 PID: 5359 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 88.493310][ T5359] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.493319][ T5359] Call Trace: [ 88.493327][ T5359] [ 88.493333][ T5359] dump_stack_lvl+0x189/0x250 [ 88.493355][ T5359] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.493370][ T5359] ? __pfx__printk+0x10/0x10 [ 88.493386][ T5359] ? print_lock_name+0xde/0x100 [ 88.493401][ T5359] print_circular_bug+0x2ee/0x310 [ 88.493415][ T5359] check_noncircular+0x134/0x160 [ 88.493429][ T5359] validate_chain+0xb9b/0x2140 [ 88.493440][ T5359] ? lockdep_unlock+0x89/0x120 [ 88.493460][ T5359] __lock_acquire+0xab9/0xd20 [ 88.493478][ T5359] ? ocfs2_setattr+0x969/0x1b40 [ 88.493493][ T5359] lock_acquire+0x120/0x360 [ 88.493540][ T5359] ? ocfs2_setattr+0x969/0x1b40 [ 88.493560][ T5359] ? do_raw_spin_unlock+0x4d/0x240 [ 88.493577][ T5359] ocfs2_start_trans+0x26b/0x6d0 [ 88.493591][ T5359] ? ocfs2_setattr+0x969/0x1b40 [ 88.493606][ T5359] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 88.493617][ T5359] ? setattr_prepare+0x1e7/0xac0 [ 88.493630][ T5359] ocfs2_setattr+0x969/0x1b40 [ 88.493646][ T5359] ? __pfx_ocfs2_setattr+0x10/0x10 [ 88.493661][ T5359] ? ktime_get_coarse_real_ts64_mg+0x52/0x1e0 [ 88.493678][ T5359] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 88.493696][ T5359] ? ktime_get_coarse_real_ts64_mg+0x1be/0x1e0 [ 88.493712][ T5359] ? current_time+0x222/0x370 [ 88.493727][ T5359] ? evm_inode_setattr+0x1bd/0x7d0 [ 88.493738][ T5359] ? __pfx_current_time+0x10/0x10 [ 88.493755][ T5359] ? try_break_deleg+0x79/0x130 [ 88.493766][ T5359] ? __pfx_ocfs2_setattr+0x10/0x10 [ 88.493781][ T5359] notify_change+0xb36/0xe40 [ 88.493810][ T5359] ovl_workdir_create+0x722/0x8b0 [ 88.493828][ T5359] ? __pfx_ovl_workdir_create+0x10/0x10 [ 88.493844][ T5359] ? mnt_get_write_access+0x223/0x2a0 [ 88.493858][ T5359] ovl_get_workdir+0x32f/0x17c0 [ 88.493874][ T5359] ? __pfx_ovl_get_workdir+0x10/0x10 [ 88.493888][ T5359] ? __lock_acquire+0xab9/0xd20 [ 88.493906][ T5359] ? do_raw_spin_lock+0x121/0x290 [ 88.493920][ T5359] ? do_raw_spin_unlock+0x4d/0x240 [ 88.493934][ T5359] ? _raw_spin_unlock+0x28/0x50 [ 88.493946][ T5359] ? ovl_inuse_trylock+0xae/0xf0 [ 88.493959][ T5359] ovl_fill_super+0x1365/0x35b0 [ 88.493976][ T5359] ? rcu_is_watching+0x15/0xb0 [ 88.493991][ T5359] ? __pfx_ovl_fill_super+0x10/0x10 [ 88.494002][ T5359] ? __mutex_unlock_slowpath+0x1a1/0x740 [ 88.494019][ T5359] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 88.494035][ T5359] ? __raw_spin_lock_init+0x45/0x100 [ 88.494050][ T5359] ? sget_fc+0x962/0xa40 [ 88.494061][ T5359] ? __pfx_set_anon_super_fc+0x10/0x10 [ 88.494072][ T5359] ? __pfx_ovl_fill_super+0x10/0x10 [ 88.494084][ T5359] get_tree_nodev+0xb8/0x150 [ 88.494096][ T5359] vfs_get_tree+0x92/0x2b0 [ 88.494109][ T5359] do_new_mount+0x2a2/0x9e0 [ 88.494124][ T5359] ? ns_capable+0x8a/0xf0 [ 88.494135][ T5359] ? __pfx_do_new_mount+0x10/0x10 [ 88.494148][ T5359] ? path_mount+0x61c/0xfe0 [ 88.494160][ T5359] ? user_path_at+0x44/0x60 [ 88.494171][ T5359] __se_sys_mount+0x317/0x410 [ 88.494185][ T5359] ? __pfx___se_sys_mount+0x10/0x10 [ 88.494198][ T5359] ? rcu_is_watching+0x15/0xb0 [ 88.494209][ T5359] ? do_syscall_64+0xbe/0x3b0 [ 88.494229][ T5359] ? __x64_sys_mount+0x20/0xc0 [ 88.494242][ T5359] do_syscall_64+0xfa/0x3b0 [ 88.494257][ T5359] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.494271][ T5359] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.494282][ T5359] ? clear_bhb_loop+0x60/0xb0 [ 88.494294][ T5359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.494306][ T5359] RIP: 0033:0x7f64d618ebe9 [ 88.494318][ T5359] 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 [ 88.494328][ T5359] RSP: 002b:00007f64d70e0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.494340][ T5359] RAX: ffffffffffffffda RBX: 00007f64d63b5fa0 RCX: 00007f64d618ebe9 [ 88.494349][ T5359] RDX: 0000200000000280 RSI: 00002000000001c0 RDI: 0000000000000000 [ 88.494357][ T5359] RBP: 00007f64d6211e19 R08: 0000200000000580 R09: 0000000000000000 [ 88.494364][ T5359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.494371][ T5359] R13: 00007f64d63b6038 R14: 00007f64d63b5fa0 R15: 00007fff72206628 [ 88.494384][ T5359] [ 88.689857][ T5359] overlayfs: upper fs does not support tmpfile. [ 88.693110][ T5359] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 88.696087][ T5359] overlayfs: failed to set xattr on upper [ 88.703320][ T5359] overlayfs: ...falling back to redirect_dir=nofollow. [ 88.706308][ T5359] overlayfs: ...falling back to index=off. [ 88.709701][ T5359] overlayfs: ...falling back to uuid=null. [ 88.712165][ T5359] overlayfs: upper fs missing required features.