Warning: Permanently added '10.128.0.35' (ED25519) to the list of known hosts. executing program syzkaller login: [ 45.427445][ T4019] loop0: detected capacity change from 0 to 131072 [ 45.518052][ T4019] F2FS-fs (loop0): invalid crc value [ 45.523472][ T4019] F2FS-fs (loop0): Found nat_bits in checkpoint [ 45.538068][ T4019] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 45.543797][ T4019] ------------[ cut here ]------------ [ 45.545019][ T4019] WARNING: CPU: 0 PID: 4019 at fs/inode.c:307 drop_nlink+0xe8/0x148 [ 45.546834][ T4019] Modules linked in: [ 45.547651][ T4019] CPU: 0 PID: 4019 Comm: syz-executor782 Not tainted 5.15.176-syzkaller #0 [ 45.549414][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 45.551496][ T4019] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.553077][ T4019] pc : drop_nlink+0xe8/0x148 [ 45.553984][ T4019] lr : drop_nlink+0xe8/0x148 [ 45.554977][ T4019] sp : ffff80001df47620 [ 45.555832][ T4019] x29: ffff80001df47620 x28: ffff80001df47780 x27: 1fffe0001c3a6000 [ 45.557607][ T4019] x26: dfff800000000000 x25: ffff0000e1d309f8 x24: 000000001e65fb80 [ 45.559169][ T4019] x23: 1fffe0001c3a6139 x22: dfff800000000000 x21: 0000000000000000 [ 45.560799][ T4019] x20: ffff0000e1d309c8 x19: ffff0000e1d30980 x18: ffff80001df47340 [ 45.562466][ T4019] x17: 0000000000000000 x16: ffff8000082e5510 x15: 000000000000bd3a [ 45.564294][ T4019] x14: 0000000081c84cb1 x13: dfff800000000000 x12: 0000000000000001 [ 45.565956][ T4019] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c9453680 [ 45.567705][ T4019] x8 : ffff8000089e9c90 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.569453][ T4019] x5 : ffff800017847060 x4 : 0000000000000002 x3 : ffff8000082e5758 [ 45.571138][ T4019] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.572980][ T4019] Call trace: [ 45.573663][ T4019] drop_nlink+0xe8/0x148 [ 45.574684][ T4019] f2fs_rename2+0x1424/0x200c [ 45.575726][ T4019] vfs_rename+0xac8/0xe04 [ 45.576666][ T4019] do_renameat2+0xa00/0x10c0 [ 45.577625][ T4019] __arm64_sys_renameat2+0xe0/0xfc [ 45.578692][ T4019] invoke_syscall+0x98/0x2b8 [ 45.579611][ T4019] el0_svc_common+0x138/0x258 [ 45.580579][ T4019] do_el0_svc+0x58/0x14c [ 45.581480][ T4019] el0_svc+0x7c/0x1f0 [ 45.582380][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 45.583421][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 45.584380][ T4019] irq event stamp: 284236 [ 45.585353][ T4019] hardirqs last enabled at (284235): [] seqcount_lockdep_reader_access+0x208/0x2cc [ 45.587594][ T4019] hardirqs last disabled at (284236): [] el1_dbg+0x24/0x80 [ 45.589383][ T4019] softirqs last enabled at (283770): [] local_bh_enable+0x10/0x34 [ 45.591382][ T4019] softirqs last disabled at (283768): [] local_bh_disable+0x10/0x34 [ 45.593321][ T4019] ---[ end trace d93e4209fcb50389 ]---