Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.468085][ T8495] NILFS (loop0): unable to read secondary superblock (blocksize = 1024) [ 46.476468][ T8495] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 46.486804][ T8495] NILFS (loop0): mounting unchecked fs [ 46.492698][ T8495] NILFS (loop0): I/O error reading segment [ 46.498579][ T8495] NILFS (loop0): error -5 while searching super root executing program [ 52.524135][ T8500] NILFS (loop0): unable to read secondary superblock (blocksize = 1024) [ 52.532584][ T8500] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 52.542511][ T8500] NILFS (loop0): mounting unchecked fs [ 52.548120][ T8500] NILFS (loop0): I/O error reading segment [ 52.554114][ T8500] NILFS (loop0): error -5 while searching super root [ 53.515566][ T8492] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881107fb6c0 (size 32): comm "syz-executor467", pid 8495, jiffies 4294941912 (age 14.140s) hex dump (first 32 bytes): 6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00 loop0........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e28113ac>] kstrdup+0x36/0x70 [<000000001f701947>] kstrdup_const+0x53/0x80 [<00000000cd8207a1>] kvasprintf_const+0xc2/0x110 [<0000000069ce94ea>] kobject_set_name_vargs+0x3b/0xe0 [<000000004a45633b>] kobject_init_and_add+0x6d/0xc0 [<000000000225181f>] nilfs_sysfs_create_device_group+0x98/0x3a0 [<0000000015c5d06c>] init_nilfs+0x523/0x680 [<000000008db538b7>] nilfs_mount+0x51b/0x890 [<00000000ce504d86>] legacy_get_tree+0x2b/0x90 [<00000000879ceee9>] vfs_get_tree+0x28/0x100 [<00000000d8b8f5a8>] path_mount+0xc5e/0x1170 [<00000000122d1186>] __x64_sys_mount+0x18e/0x1d0 [<00000000ec3c7a63>] do_syscall_64+0x2d/0x70 [<0000000022566b36>] entry_SYSCALL_64_after_hwframe+0x44/0xa9