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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqrADxwIAAAAAwvyto+jbAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD4FQAA//8KNihO") r0 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r0, &(0x7f00000002c0), 0x40000000000009f, 0x0) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000300)={[{@noauto_da_alloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x1}}, {@dioread_lock}, {@norecovery}, {@discard}, {@lazytime}, {@noload}, {@usrquota}, {@noauto_da_alloc}]}, 0xfe, 0x54d, &(0x7f0000000400)="$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") mkdir(&(0x7f0000000000)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) r1 = syz_open_procfs$pagemap(0x0, &(0x7f0000000040)) ioctl$PAGEMAP_SCAN(r1, 0xc0606610, &(0x7f00000001c0)={0x60, 0x0, &(0x7f00001b8000/0x2000)=nil, &(0x7f000075c000/0x1000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x4}) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_SET_MSRS(r4, 0x4008ae89, &(0x7f0000000040)={0x1, 0x0, [{0x481, 0x0, 0x4}]}) chdir(&(0x7f00000003c0)='./bus\x00') syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800714, &(0x7f0000000000)={[{@nobarrier}]}, 0xff, 0x4a5, &(0x7f0000000bc0)="$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") mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3001009, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) mount$bind(0x0, &(0x7f0000000100)='.\x00', 0x0, 0x21, 0x0) setxattr$trusted_overlay_origin(&(0x7f0000000180)='./file0\x00', &(0x7f0000000000), 0x0, 0x0, 0x0) r5 = fanotify_init(0x200, 0x0) r6 = openat$dir(0xffffffffffffff9c, &(0x7f00000008c0)='./file0\x00', 0x8000, 0x8) fanotify_mark(r5, 0x1, 0x800003e, r6, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x200501, 0x0) setxattr$incfs_metadata(&(0x7f0000000980)='./file1\x00', &(0x7f00000009c0), &(0x7f0000000a00)="0655d7639548e32eff74a0661751e20aa5a0792959c15a1b52da3c55e14802283db7bd850a9b53de21f8cc89b0da2929", 0x30, 0x1) getpgrp(0x0) [ 85.101691][ T5295] Bluetooth: hci0: command tx timeout [ 85.141796][ T5333] loop0: detected capacity change from 0 to 32768 [ 85.151266][ T5333] ======================================================= [ 85.151266][ T5333] WARNING: The mand mount option has been deprecated and [ 85.151266][ T5333] and is ignored by this kernel. Remove the mand [ 85.151266][ T5333] option from the mount to silence this warning. [ 85.151266][ T5333] ======================================================= [ 85.260663][ T5333] JBD2: Ignoring recovery information on journal [ 85.272194][ T5333] jbd2_journal_bmap: journal block not found at offset 32 on loop0-75 [ 85.275832][ T5333] JBD2: bad block at offset 32 [ 85.305630][ T5333] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 85.323231][ T5333] Zero length message leads to an empty skb [ 85.437400][ T5334] overlayfs: failed to resolve './file1': -2 [ 85.710935][ T5333] [ 85.711984][ T5333] ====================================================== [ 85.714800][ T5333] WARNING: possible circular locking dependency detected [ 85.717823][ T5333] syzkaller #0 Not tainted [ 85.719664][ T5333] ------------------------------------------------------ [ 85.722500][ T5333] syz.0.0/5333 is trying to acquire lock: [ 85.724887][ T5333] ffff888043e1c600 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0xcc6/0x1ca0 [ 85.734172][ T5333] [ 85.734172][ T5333] but task is already holding lock: [ 85.737135][ T5333] ffff888045f6f658 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0xcb7/0x1ca0 [ 85.740642][ T5333] [ 85.740642][ T5333] which lock already depends on the new lock. [ 85.740642][ T5333] [ 85.744892][ T5333] [ 85.744892][ T5333] the existing dependency chain (in reverse order) is: [ 85.748589][ T5333] [ 85.748589][ T5333] -> #3 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 85.751740][ T5333] down_write+0x96/0x200 [ 85.753650][ T5333] ocfs2_try_remove_refcount_tree+0xb6/0x340 [ 85.756406][ T5333] ocfs2_xattr_set+0x61a/0x13e0 [ 85.758806][ T5333] ocfs2_set_acl+0x701/0x7b0 [ 85.760902][ T5333] ocfs2_iop_set_acl+0x1b1/0x2b0 [ 85.763295][ T5333] vfs_remove_acl+0x542/0x830 [ 85.765579][ T5333] ovl_workdir_create+0x5b3/0x940 [ 85.767981][ T5333] ovl_fill_super+0x1a38/0x5e20 [ 85.770163][ T5333] get_tree_nodev+0xbb/0x150 [ 85.772194][ T5333] vfs_get_tree+0x92/0x2a0 [ 85.774147][ T5333] do_new_mount+0x341/0xd30 [ 85.776159][ T5333] __se_sys_mount+0x31d/0x420 [ 85.778197][ T5333] do_syscall_64+0x174/0x580 [ 85.780258][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.782891][ T5333] [ 85.782891][ T5333] -> #2 (&oi->ip_xattr_sem){++++}-{4:4}: [ 85.785952][ T5333] down_read+0x47/0x2e0 [ 85.787901][ T5333] ocfs2_init_acl+0x2fd/0x7e0 [ 85.790168][ T5333] ocfs2_mknod+0x1679/0x2260 [ 85.792418][ T5333] ocfs2_mkdir+0x181/0x460 [ 85.794561][ T5333] vfs_mkdir+0x413/0x630 [ 85.796628][ T5333] filename_mkdirat+0x285/0x510 [ 85.798972][ T5333] __se_sys_mkdir+0x34/0x150 [ 85.801187][ T5333] do_syscall_64+0x174/0x580 [ 85.803415][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.806130][ T5333] [ 85.806130][ T5333] -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 85.809679][ T5333] down_read+0x47/0x2e0 [ 85.811824][ T5333] ocfs2_start_trans+0x3ab/0x700 [ 85.814217][ T5333] ocfs2_mknod+0x1181/0x2260 [ 85.816339][ T5333] ocfs2_mkdir+0x181/0x460 [ 85.818419][ T5333] vfs_mkdir+0x413/0x630 [ 85.820344][ T5333] filename_mkdirat+0x285/0x510 [ 85.822477][ T5333] __se_sys_mkdir+0x34/0x150 [ 85.824637][ T5333] do_syscall_64+0x174/0x580 [ 85.826869][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.829743][ T5333] [ 85.829743][ T5333] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 85.832802][ T5333] __lock_acquire+0x15a5/0x2cf0 [ 85.835374][ T5333] lock_acquire+0x106/0x350 [ 85.837821][ T5333] ocfs2_start_trans+0x2ac/0x700 [ 85.840164][ T5333] ocfs2_setattr+0xcc6/0x1ca0 [ 85.842487][ T5333] notify_change+0xc1a/0xf40 [ 85.844757][ T5333] ovl_workdir_create+0x716/0x940 [ 85.847237][ T5333] ovl_fill_super+0x1a38/0x5e20 [ 85.849603][ T5333] get_tree_nodev+0xbb/0x150 [ 85.851802][ T5333] vfs_get_tree+0x92/0x2a0 [ 85.853955][ T5333] do_new_mount+0x341/0xd30 [ 85.856183][ T5333] __se_sys_mount+0x31d/0x420 [ 85.858544][ T5333] do_syscall_64+0x174/0x580 [ 85.860671][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.863222][ T5333] [ 85.863222][ T5333] other info that might help us debug this: [ 85.863222][ T5333] [ 85.867331][ T5333] Chain exists of: [ 85.867331][ T5333] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 85.867331][ T5333] [ 85.873140][ T5333] Possible unsafe locking scenario: [ 85.873140][ T5333] [ 85.876418][ T5333] CPU0 CPU1 [ 85.878731][ T5333] ---- ---- [ 85.881041][ T5333] lock(&oi->ip_alloc_sem); [ 85.883081][ T5333] lock(&oi->ip_xattr_sem); [ 85.886153][ T5333] lock(&oi->ip_alloc_sem); [ 85.889110][ T5333] rlock(sb_internal#2); [ 85.890990][ T5333] [ 85.890990][ T5333] *** DEADLOCK *** [ 85.890990][ T5333] [ 85.894499][ T5333] 4 locks held by syz.0.0/5333: [ 85.896773][ T5333] #0: ffff8880362760d8 (&type->s_umount_key#52/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0 [ 85.900774][ T5333] #1: ffff888043e1c410 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 85.904206][ T5333] #2: ffff888045f6f9a0 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: ovl_workdir_create+0x6b7/0x940 [ 85.908324][ T5333] #3: ffff888045f6f658 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0xcb7/0x1ca0 [ 85.912284][ T5333] [ 85.912284][ T5333] stack backtrace: [ 85.914895][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.914910][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.914917][ T5333] Call Trace: [ 85.914925][ T5333] [ 85.914932][ T5333] dump_stack_lvl+0xe8/0x150 [ 85.914948][ T5333] print_circular_bug+0x2e1/0x300 [ 85.914966][ T5333] check_noncircular+0x12e/0x150 [ 85.914982][ T5333] __lock_acquire+0x15a5/0x2cf0 [ 85.914994][ T5333] ? lockdep_unlock+0x5d/0xd0 [ 85.915007][ T5333] ? ocfs2_setattr+0xcc6/0x1ca0 [ 85.915018][ T5333] lock_acquire+0x106/0x350 [ 85.915028][ T5333] ? ocfs2_setattr+0xcc6/0x1ca0 [ 85.915042][ T5333] ocfs2_start_trans+0x2ac/0x700 [ 85.915055][ T5333] ? ocfs2_setattr+0xcc6/0x1ca0 [ 85.915067][ T5333] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 85.915082][ T5333] ? do_raw_spin_unlock+0x4d/0x210 [ 85.915097][ T5333] ocfs2_setattr+0xcc6/0x1ca0 [ 85.915109][ T5333] ? __pfx_ocfs2_setattr+0x10/0x10 [ 85.915123][ T5333] ? seqcount_lockdep_reader_access+0xa9/0x100 [ 85.915139][ T5333] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.915149][ T5333] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 85.915160][ T5333] ? seqcount_lockdep_reader_access+0xea/0x100 [ 85.915175][ T5333] ? ktime_get_coarse_real_ts64_mg+0x1c5/0x1e0 [ 85.915187][ T5333] ? current_time+0x22a/0x370 [ 85.915201][ T5333] ? evm_inode_setattr+0x1bd/0x7d0 [ 85.915211][ T5333] ? __pfx_current_time+0x10/0x10 [ 85.915224][ T5333] ? try_break_deleg+0x5b/0x180 [ 85.915237][ T5333] ? __pfx_ocfs2_setattr+0x10/0x10 [ 85.915247][ T5333] notify_change+0xc1a/0xf40 [ 85.915264][ T5333] ovl_workdir_create+0x716/0x940 [ 85.915281][ T5333] ? __pfx_ovl_workdir_create+0x10/0x10 [ 85.915296][ T5333] ? mnt_get_write_access+0x213/0x280 [ 85.915312][ T5333] ovl_fill_super+0x1a38/0x5e20 [ 85.915326][ T5333] ? __pfx_hlock_conflict+0x10/0x10 [ 85.915344][ T5333] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.915356][ T5333] ? xas_create+0x1902/0x1b90 [ 85.915366][ T5333] ? __mutex_trylock_common+0x158/0x260 [ 85.915380][ T5333] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.915393][ T5333] ? rcu_is_watching+0x15/0xb0 [ 85.915407][ T5333] ? trace_contention_end+0x3d/0x140 [ 85.915421][ T5333] ? shrinker_register+0x124/0x230 [ 85.915437][ T5333] ? __mutex_unlock_slowpath+0x1be/0x6f0 [ 85.915448][ T5333] ? shrinker_register+0x61/0x230 [ 85.915462][ T5333] ? __pfx___mutex_lock+0x10/0x10 [ 85.915471][ T5333] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 85.915482][ T5333] ? __raw_spin_lock_init+0x45/0x100 [ 85.915499][ T5333] ? sget_fc+0x962/0xa40 [ 85.915510][ T5333] ? __pfx_set_anon_super_fc+0x10/0x10 [ 85.915523][ T5333] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.915535][ T5333] get_tree_nodev+0xbb/0x150 [ 85.915548][ T5333] vfs_get_tree+0x92/0x2a0 [ 85.915561][ T5333] do_new_mount+0x341/0xd30 [ 85.915571][ T5333] ? apparmor_capable+0x126/0x170 [ 85.915583][ T5333] ? __pfx_do_new_mount+0x10/0x10 [ 85.915593][ T5333] ? ns_capable+0x89/0xe0 [ 85.915604][ T5333] ? path_mount+0x690/0x10e0 [ 85.915615][ T5333] ? user_path_at+0xd4/0x160 [ 85.915629][ T5333] __se_sys_mount+0x31d/0x420 [ 85.915641][ T5333] ? __pfx___se_sys_mount+0x10/0x10 [ 85.915654][ T5333] ? __x64_sys_mount+0x20/0xc0 [ 85.915665][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.915675][ T5333] do_syscall_64+0x174/0x580 [ 85.915695][ T5333] ? trace_irq_disable+0x3b/0x140 [ 85.915713][ T5333] ? clear_bhb_loop+0x40/0x90 [ 85.915725][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.915737][ T5333] RIP: 0033:0x7f1276d9ce59 [ 85.915750][ T5333] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 85.915758][ T5333] RSP: 002b:00007f1277b93fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.915770][ T5333] RAX: ffffffffffffffda RBX: 00007f1277015fa0 RCX: 00007f1276d9ce59 [ 85.915778][ T5333] RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000 [ 85.915786][ T5333] RBP: 00007f1276e32d6f R08: 0000200000000180 R09: 0000000000000000 [ 85.915793][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.915800][ T5333] R13: 00007f1277016038 R14: 00007f1277015fa0 R15: 00007ffe5c82ea88 [ 85.915812][ T5333] [ 86.113651][ T5334] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 71 has 16777215 used bits but only 1024 total [ 86.123210][ T5334] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 86.127850][ T5334] OCFS2: File system is now read-only. [ 86.130631][ T5334] (syz.0.0,5334,0):ocfs2_claim_suballoc_bits:2176 ERROR: status = -30 [ 86.134299][ T5334] (syz.0.0,5334,0):__ocfs2_claim_clusters:2557 ERROR: status = -30 [ 86.138150][ T5334] (syz.0.0,5334,0):__ocfs2_claim_clusters:2565 ERROR: status = -30 [ 86.144213][ T5334] (syz.0.0,5334,0):ocfs2_block_group_alloc_contig:531 ERROR: status = -30 [ 86.147916][ T5334] (syz.0.0,5334,0):ocfs2_block_group_alloc:805 ERROR: status = -30 [ 86.151581][ T5334] (syz.0.0,5334,0):ocfs2_block_group_alloc:858 ERROR: status = -30 [ 86.155428][ T5333] overlayfs: upper fs does not support tmpfile. [ 86.158314][ T5334] (syz.0.0,5334,0):ocfs2_reserve_suballoc_bits:933 ERROR: status = -30 [ 86.162718][ T5334] (syz.0.0,5334,0):ocfs2_reserve_suballoc_bits:950 ERROR: status = -30 [ 86.169760][ T5334] (syz.0.0,5334,0):ocfs2_reserve_new_metadata_blocks:1090 ERROR: status = -30 [ 86.174579][ T5334] (syz.0.0,5334,0):ocfs2_reserve_new_metadata_blocks:1113 ERROR: status = -30 [ 86.178614][ T5334] (syz.0.0,5334,0):ocfs2_init_xattr_set_ctxt:3311 ERROR: status = -30 [ 86.182214][ T5334] (syz.0.0,5334,0):ocfs2_xattr_set:3668 ERROR: status = -30