program:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x3014850, &(0x7f00000001c0)={[{@quota}, {@barrier_val={'barrier', 0x3d, 0x1000}}, {@grpjquota}, {@norecovery}, {@dioread_lock}]}, 0x3, 0x4c1, &(0x7f0000000680)="$eJzs3d9rW9cdAPDvle3ESZzZ2faQBZaFLcMJWyQ7XhKzh8yDsT0FlmXvnmfLxli2jCUnsQnDYX9AofQX7VOf+lLocymU/AmlEGjfSyktoU3Shz60VZF81SSubMvEshLr84Hje8+9V/5+j4SOdO656AbQsU5FxFhEdEXE2YjoT7dn0hJr66V63IP7tyarJYlK5dqXSSTptvr/StLlkfRhvRHxr39E/Df5adzSyurcRKGQX0rrufL8Yq60snpudn5iJj+TXxgbGb44emn0wujQrrX18t8+e+WFt/5++f0/3vhk/Isz/6um1Zfue7wdzVhr8rj1pvfUnou67ohY2kmwZ1hX2p6edicCAEBTqt/xfx4Rv42Ih6+3OxsAAACgFSp/6Ytvk4gKAAAAsG9latfAJplsei1AX2Qy2ez6Nby/jMOZQrFU/sN0cXlhav1a2YHoyUzPFvJD6bXCA9GTVOvDtfVH9fMb6iMRcSwiXuo/VKtnJ4uFqXaf/AAAAIAOcWTD+P/r/vXxPwAAALDPDLQ7AQAAAKDljP8BAABg/9t0/J90720iAAAAQCv888qVaqnU7389dX1lea54/dxUvjSXnV+ezE4WlxazM8XiTO03++a3+3+FYnHxT7GwfDNXzpfKudLK6vh8cXmhPF67r/d43n2iAQAAYO8d+82dj5OIWPvzoVqpOpDua2KsPtba7IBWyuzs8KRVeQB7r6vdCQBt4wJf6Fzm44FtBvYvb6jv8LQBAADwLBj81VPN/5sPhOeYgTx0LvP/0LnM/0PnMv8PHe7g9of0brbjg13OBQAAaJm+Wkky2XQusC8ymWw24mjttgA9yfRsIT8UET+LiI/6ew5W68PtThoAAAAAAAAAAAAAAAAAAAAAAAAAnjOVShIVAAAAYF+LyHyepDfyH+w/3bfx/MCB5Jv+2jIibrxx7dWbE+Xy0nB1+1c/bi+/lm4/344zGAAAAMBG9XF6fRwPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALvpwf1bk/Wyl3Hv/TUiBhrF747e2rL33f6IOPwwie7HHpdERNcuxF+7HRHHG8VPqmnFQJrFxviZiDjU5vhHdiE+dLI71f5nrNH7LxOnasvG77/utDyte6c26/8y9f6v1s816v+ONhnjxN13cpvGvx1xortx/1OPnzxl//uff6+ubrav8mbEYMPPn+SJWLny/GKutLJ6bnZ+YiY/k18YGRm+OHpp9MLoUG56tpBP/zaM8eKv3/t+q/Yf3iT+wDbtP91k+7+7e/P+L7aIf+Z3jV//41vErz73v08/B6r7B+vra+vrjzv59ocnt2r/1Cbt3+71P9Nk+89e/f+nTR4KAOyB0srq3EShkF+yYsXK/lu5mr7Rd/zwNndMAADArnv0pb/dmQAAAAAAAAAAAAAAAAAAAEDnavmPkB188pcFetvXVAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACALf0QAAD//9sy0wA=")
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
flistxattr(r0, &(0x7f0000000680)=""/4096, 0x1000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
linkat(r1, &(0x7f0000000180)='./file1\x00', r1, &(0x7f0000000640)='./bus\x00', 0x0)
r2 = open(&(0x7f0000000040)='./file1\x00', 0x0, 0x0)
ioctl$FS_IOC_FSSETXATTR(r2, 0x401c5820, &(0x7f00000003c0)={0x80d8})
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000040)='./file0/../file0/../file0\x00', &(0x7f0000000100)='devpts\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f00000001c0)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@nfs_export_on}]})
[ 82.171387][ T5097] Bluetooth: hci0: command tx timeout
[ 83.178067][ T5113] loop0: detected capacity change from 0 to 512
[ 83.225742][ T5113] =======================================================
[ 83.225742][ T5113] WARNING: The mand mount option has been deprecated and
[ 83.225742][ T5113] and is ignored by this kernel. Remove the mand
[ 83.225742][ T5113] option from the mount to silence this warning.
[ 83.225742][ T5113] =======================================================
[ 83.274499][ T5113] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
[ 83.304237][ T5113] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 83.309746][ T5113] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
[ 83.377635][ T5113] overlay: ./file1 is not a directory
[ 83.387243][ T79] ------------[ cut here ]------------
[ 83.390411][ T79] WARNING: CPU: 0 PID: 79 at fs/ext4/inode.c:5195 ext4_write_inode+0x627/0x6f0
[ 83.395243][ T79] Modules linked in:
[ 83.396812][ T79] CPU: 0 UID: 0 PID: 79 Comm: kswapd0 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0
[ 83.400915][ T79] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 83.405740][ T79] RIP: 0010:ext4_write_inode+0x627/0x6f0
[ 83.408818][ T79] Code: ff ff ff 4d 85 ff 74 12 e8 16 38 34 ff 4c 89 ff e8 0e 7d c2 ff e9 cf fd ff ff e8 04 38 34 ff e9 c5 fd ff ff e8 fa 37 34 ff 90 <0f> 0b 90 e9 b7 fd ff ff e8 ec 37 34 ff e9 76 fd ff ff 44 89 f1 80
[ 83.417557][ T79] RSP: 0018:ffffc90001046e20 EFLAGS: 00010293
[ 83.419966][ T79] RAX: ffffffff8260af56 RBX: 0000000000000800 RCX: ffff88801f0f8000
[ 83.423251][ T79] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
[ 83.426224][ T79] RBP: ffffc90001046f20 R08: ffffffff8260a9f2 R09: 1ffffffff2039fcd
[ 83.429198][ T79] R10: dffffc0000000000 R11: ffffffff8260a930 R12: 0000000000220840
[ 83.432336][ T79] R13: 1ffff92000208dc8 R14: 0000000000000000 R15: ffff88801f0f8000
[ 83.435391][ T79] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
[ 83.438743][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.441291][ T79] CR2: 00007f18cabe29a0 CR3: 0000000011916000 CR4: 0000000000352ef0
[ 83.444317][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 83.447498][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 83.450470][ T79] Call Trace:
[ 83.451904][ T79]
[ 83.452992][ T79] ? __warn+0x168/0x4e0
[ 83.454602][ T79] ? ext4_write_inode+0x627/0x6f0
[ 83.456615][ T79] ? report_bug+0x2b3/0x500
[ 83.458766][ T79] ? ext4_write_inode+0x627/0x6f0
[ 83.460760][ T79] ? handle_bug+0x60/0x90
[ 83.464318][ T79] ? exc_invalid_op+0x1a/0x50
[ 83.466303][ T79] ? asm_exc_invalid_op+0x1a/0x20
[ 83.468455][ T79] ? __pfx_ext4_write_inode+0x10/0x10
[ 83.470550][ T79] ? ext4_write_inode+0xc2/0x6f0
[ 83.472974][ T79] ? ext4_write_inode+0x626/0x6f0
[ 83.474904][ T79] ? ext4_write_inode+0x627/0x6f0
[ 83.476906][ T79] ? __pfx_ext4_write_inode+0x10/0x10
[ 83.478991][ T79] ? do_raw_spin_unlock+0x58/0x8b0
[ 83.480991][ T79] __writeback_single_inode+0x711/0x10d0
[ 83.483378][ T79] writeback_single_inode+0x1f3/0x660
[ 83.485557][ T79] write_inode_now+0x1dd/0x260
[ 83.487896][ T79] ? __pfx_write_inode_now+0x10/0x10
[ 83.490463][ T79] ? do_raw_spin_unlock+0x58/0x8b0
[ 83.492622][ T79] iput+0x60d/0xa50
[ 83.494160][ T79] __dentry_kill+0x20d/0x630
[ 83.495953][ T79] ? shrink_kill+0x8d/0x2c0
[ 83.497591][ T79] shrink_kill+0xa9/0x2c0
[ 83.499236][ T79] shrink_dentry_list+0x2c0/0x5b0
[ 83.501380][ T79] prune_dcache_sb+0x10f/0x180
[ 83.503139][ T79] ? __pfx_prune_dcache_sb+0x10/0x10
[ 83.505109][ T79] ? list_lru_count_one+0x29/0x2e0
[ 83.506972][ T79] ? list_lru_count_one+0x283/0x2e0
[ 83.508846][ T79] ? list_lru_count_one+0x29/0x2e0
[ 83.510913][ T79] super_cache_scan+0x34f/0x4b0
[ 83.512799][ T79] do_shrink_slab+0x701/0x1160
[ 83.514681][ T79] ? shrink_slab+0x12b/0x14d0
[ 83.516420][ T79] shrink_slab+0x1093/0x14d0
[ 83.518002][ T79] ? shrink_slab+0x12b/0x14d0
[ 83.519811][ T79] ? __pfx_shrink_slab+0x10/0x10
[ 83.521723][ T79] ? shrink_node+0x3547/0x3de0
[ 83.523408][ T79] ? __pfx_lock_release+0x10/0x10
[ 83.525093][ T79] shrink_one+0x43b/0x850
[ 83.526572][ T79] ? shrink_node+0x3547/0x3de0
[ 83.528258][ T79] shrink_node+0x3799/0x3de0
[ 83.529889][ T79] ? shrink_node+0x3547/0x3de0
[ 83.531641][ T79] ? __pfx_lock_acquire+0x10/0x10
[ 83.533423][ T79] ? mem_cgroup_iter+0x3d/0x420
[ 83.535149][ T79] ? __pfx_lock_release+0x10/0x10
[ 83.536938][ T79] ? __pfx_shrink_node+0x10/0x10
[ 83.538757][ T79] ? mem_cgroup_iter+0x3d/0x420
[ 83.540477][ T79] kswapd+0x1ca3/0x3700
[ 83.542565][ T79] ? kswapd+0xbf1/0x3700
[ 83.544069][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.545801][ T79] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 83.547951][ T79] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 83.550295][ T79] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 83.552573][ T79] ? __pfx_autoremove_wake_function+0x10/0x10
[ 83.554567][ T79] ? __kthread_parkme+0x169/0x1d0
[ 83.556445][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.558026][ T79] kthread+0x2f0/0x390
[ 83.559832][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.562017][ T79] ? __pfx_kthread+0x10/0x10
[ 83.563853][ T79] ret_from_fork+0x4b/0x80
[ 83.565519][ T79] ? __pfx_kthread+0x10/0x10
[ 83.567276][ T79] ret_from_fork_asm+0x1a/0x30
[ 83.569044][ T79]
[ 83.570169][ T79] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 83.572640][ T79] CPU: 0 UID: 0 PID: 79 Comm: kswapd0 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0
[ 83.576367][ T79] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 83.580260][ T79] Call Trace:
[ 83.581520][ T79]
[ 83.582582][ T79] dump_stack_lvl+0x241/0x360
[ 83.584376][ T79] ? __pfx_dump_stack_lvl+0x10/0x10
[ 83.586391][ T79] ? __pfx__printk+0x10/0x10
[ 83.588142][ T79] ? vscnprintf+0x5d/0x90
[ 83.589729][ T79] panic+0x349/0x880
[ 83.591217][ T79] ? __warn+0x177/0x4e0
[ 83.592788][ T79] ? __pfx_panic+0x10/0x10
[ 83.594490][ T79] ? ret_from_fork_asm+0x1a/0x30
[ 83.596352][ T79] __warn+0x34b/0x4e0
[ 83.597911][ T79] ? ext4_write_inode+0x627/0x6f0
[ 83.600026][ T79] report_bug+0x2b3/0x500
[ 83.602085][ T79] ? ext4_write_inode+0x627/0x6f0
[ 83.604526][ T79] handle_bug+0x60/0x90
[ 83.606520][ T79] exc_invalid_op+0x1a/0x50
[ 83.608797][ T79] asm_exc_invalid_op+0x1a/0x20
[ 83.610936][ T79] RIP: 0010:ext4_write_inode+0x627/0x6f0
[ 83.613417][ T79] Code: ff ff ff 4d 85 ff 74 12 e8 16 38 34 ff 4c 89 ff e8 0e 7d c2 ff e9 cf fd ff ff e8 04 38 34 ff e9 c5 fd ff ff e8 fa 37 34 ff 90 <0f> 0b 90 e9 b7 fd ff ff e8 ec 37 34 ff e9 76 fd ff ff 44 89 f1 80
[ 83.620795][ T79] RSP: 0018:ffffc90001046e20 EFLAGS: 00010293
[ 83.623101][ T79] RAX: ffffffff8260af56 RBX: 0000000000000800 RCX: ffff88801f0f8000
[ 83.625740][ T79] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
[ 83.628481][ T79] RBP: ffffc90001046f20 R08: ffffffff8260a9f2 R09: 1ffffffff2039fcd
[ 83.631039][ T79] R10: dffffc0000000000 R11: ffffffff8260a930 R12: 0000000000220840
[ 83.633817][ T79] R13: 1ffff92000208dc8 R14: 0000000000000000 R15: ffff88801f0f8000
[ 83.637001][ T79] ? __pfx_ext4_write_inode+0x10/0x10
[ 83.639121][ T79] ? ext4_write_inode+0xc2/0x6f0
[ 83.641060][ T79] ? ext4_write_inode+0x626/0x6f0
[ 83.643478][ T79] ? __pfx_ext4_write_inode+0x10/0x10
[ 83.645934][ T79] ? do_raw_spin_unlock+0x58/0x8b0
[ 83.648049][ T79] __writeback_single_inode+0x711/0x10d0
[ 83.650462][ T79] writeback_single_inode+0x1f3/0x660
[ 83.652433][ T79] write_inode_now+0x1dd/0x260
[ 83.654266][ T79] ? __pfx_write_inode_now+0x10/0x10
[ 83.656325][ T79] ? do_raw_spin_unlock+0x58/0x8b0
[ 83.658177][ T79] iput+0x60d/0xa50
[ 83.659613][ T79] __dentry_kill+0x20d/0x630
[ 83.661262][ T79] ? shrink_kill+0x8d/0x2c0
[ 83.662999][ T79] shrink_kill+0xa9/0x2c0
[ 83.664629][ T79] shrink_dentry_list+0x2c0/0x5b0
[ 83.666425][ T79] prune_dcache_sb+0x10f/0x180
[ 83.668238][ T79] ? __pfx_prune_dcache_sb+0x10/0x10
[ 83.670166][ T79] ? list_lru_count_one+0x29/0x2e0
[ 83.671912][ T79] ? list_lru_count_one+0x283/0x2e0
[ 83.673645][ T79] ? list_lru_count_one+0x29/0x2e0
[ 83.675368][ T79] super_cache_scan+0x34f/0x4b0
[ 83.677108][ T79] do_shrink_slab+0x701/0x1160
[ 83.678802][ T79] ? shrink_slab+0x12b/0x14d0
[ 83.680459][ T79] shrink_slab+0x1093/0x14d0
[ 83.682057][ T79] ? shrink_slab+0x12b/0x14d0
[ 83.683708][ T79] ? __pfx_shrink_slab+0x10/0x10
[ 83.685489][ T79] ? shrink_node+0x3547/0x3de0
[ 83.687310][ T79] ? __pfx_lock_release+0x10/0x10
[ 83.689347][ T79] shrink_one+0x43b/0x850
[ 83.691116][ T79] ? shrink_node+0x3547/0x3de0
[ 83.693333][ T79] shrink_node+0x3799/0x3de0
[ 83.695445][ T79] ? shrink_node+0x3547/0x3de0
[ 83.697720][ T79] ? __pfx_lock_acquire+0x10/0x10
[ 83.699762][ T79] ? mem_cgroup_iter+0x3d/0x420
[ 83.701744][ T79] ? __pfx_lock_release+0x10/0x10
[ 83.703707][ T79] ? __pfx_shrink_node+0x10/0x10
[ 83.705590][ T79] ? mem_cgroup_iter+0x3d/0x420
[ 83.707544][ T79] kswapd+0x1ca3/0x3700
[ 83.709169][ T79] ? kswapd+0xbf1/0x3700
[ 83.710830][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.712452][ T79] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 83.714750][ T79] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 83.717162][ T79] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 83.719603][ T79] ? __pfx_autoremove_wake_function+0x10/0x10
[ 83.722000][ T79] ? __kthread_parkme+0x169/0x1d0
[ 83.724023][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.725848][ T79] kthread+0x2f0/0x390
[ 83.727389][ T79] ? __pfx_kswapd+0x10/0x10
[ 83.729035][ T79] ? __pfx_kthread+0x10/0x10
[ 83.730826][ T79] ret_from_fork+0x4b/0x80
[ 83.732526][ T79] ? __pfx_kthread+0x10/0x10
[ 83.734291][ T79] ret_from_fork_asm+0x1a/0x30
[ 83.736177][ T79]
[ 83.737650][ T79] Kernel Offset: disabled
[ 83.739826][ T79] Rebooting in 86400 seconds..