Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. executing program syzkaller login: [ 37.142917][ T4289] loop0: detected capacity change from 0 to 2048 [ 37.152510][ T4289] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.161133][ T4289] ------------[ cut here ]------------ [ 37.162482][ T4289] WARNING: CPU: 1 PID: 4289 at fs/inode.c:332 drop_nlink+0xe4/0x138 [ 37.164633][ T4289] Modules linked in: [ 37.165612][ T4289] CPU: 1 PID: 4289 Comm: syz-executor108 Not tainted 6.1.128-syzkaller #0 [ 37.167861][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 37.170761][ T4289] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.172783][ T4289] pc : drop_nlink+0xe4/0x138 [ 37.174095][ T4289] lr : drop_nlink+0xe4/0x138 [ 37.175237][ T4289] sp : ffff800021137400 [ 37.176364][ T4289] x29: ffff800021137400 x28: ffff8000211374e0 x27: 0000000000008000 [ 37.178494][ T4289] x26: ffff0000e15b07c0 x25: ffff8000211376a0 x24: ffff0000e15b1b70 [ 37.180758][ T4289] x23: 1fffe0001c2b629b x22: dfff800000000000 x21: 0000000000000000 [ 37.182912][ T4289] x20: ffff0000e15b14d8 x19: ffff0000e15b1490 x18: 0000000000000000 [ 37.185112][ T4289] x17: 000000000000001c x16: ffff80000830159c x15: ffff800008a7ac6c [ 37.187373][ T4289] x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000003 [ 37.189543][ T4289] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008aac1a8 [ 37.191655][ T4289] x8 : ffff0000d83f8000 x7 : ffff800008ab3c9c x6 : 0000000000000000 [ 37.193821][ T4289] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.196027][ T4289] x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000 [ 37.198170][ T4289] Call trace: [ 37.199037][ T4289] drop_nlink+0xe4/0x138 [ 37.200376][ T4289] udf_rename+0x8bc/0xbac [ 37.201591][ T4289] vfs_rename+0xac8/0xe04 [ 37.202767][ T4289] do_renameat2+0x9ec/0xe64 [ 37.203979][ T4289] __arm64_sys_renameat2+0xe0/0xfc [ 37.205396][ T4289] invoke_syscall+0x98/0x2bc [ 37.206650][ T4289] el0_svc_common+0x138/0x258 [ 37.207963][ T4289] do_el0_svc+0x58/0x13c [ 37.209148][ T4289] el0_svc+0x58/0x168 [ 37.210235][ T4289] el0t_64_sync_handler+0x84/0xf0 [ 37.211624][ T4289] el0t_64_sync+0x18c/0x190 [ 37.212917][ T4289] irq event stamp: 7450 [ 37.213969][ T4289] hardirqs last enabled at (7449): [] ktime_get_coarse_real_ts64+0x114/0x244 [ 37.216763][ T4289] hardirqs last disabled at (7450): [] el1_dbg+0x24/0x80 [ 37.219139][ T4289] softirqs last enabled at (7212): [] local_bh_enable+0x10/0x34 [ 37.221614][ T4289] softirqs last disabled at (7210): [] local_bh_disable+0x10/0x34 [ 37.224180][ T4289] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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