Warning: Permanently added '10.128.0.88' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.034758][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 49.044648][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048) [ 49.054766][ T8479] NILFS (loop0): mounting unchecked fs [ 49.060925][ T8479] NILFS (loop0): invalid segment: Magic number mismatch [ 49.068684][ T8479] NILFS (loop0): unable to fall back to spare super block [ 49.076092][ T8479] NILFS (loop0): error -22 while searching super root executing program [ 54.320986][ T8484] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 54.330895][ T8484] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048) [ 54.341182][ T8484] NILFS (loop0): mounting unchecked fs [ 54.347731][ T8484] NILFS (loop0): invalid segment: Magic number mismatch [ 54.354978][ T8484] NILFS (loop0): unable to fall back to spare super block [ 54.362864][ T8484] NILFS (loop0): error -22 while searching super root [ 55.449988][ T8478] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 61.618098][ T8478] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888111864860 (size 32): comm "syz-executor130", pid 8479, jiffies 4294942172 (age 12.630s) 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: [<00000000586927d2>] kstrdup+0x36/0x70 [<00000000c27ac9ae>] kstrdup_const+0x53/0x80 [<00000000b73714da>] kvasprintf_const+0xc2/0x110 [<00000000e7aa2326>] kobject_set_name_vargs+0x3b/0xe0 [<0000000065bbba60>] kobject_init_and_add+0x6d/0xc0 [<00000000b28b9871>] nilfs_sysfs_create_device_group+0x98/0x3a0 [<000000007a0ffccb>] init_nilfs+0x523/0x680 [<000000002db63193>] nilfs_mount+0x51b/0x890 [<00000000f9c47e31>] legacy_get_tree+0x2b/0x90 [<0000000060db28f7>] vfs_get_tree+0x28/0x100 [<0000000093e0e32e>] path_mount+0xc5e/0x1170 [<00000000134c509f>] __x64_sys_mount+0x18e/0x1d0 [<00000000dee6772c>] do_syscall_64+0x2d/0x70 [<0000000006261bfa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111864c00 (size 32): comm "syz-executor130", pid 8484, jiffies 4294942700 (age 7.360s) 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: [<00000000586927d2>] kstrdup+0x36/0x70 [<00000000c27ac9ae>] kstrdup_const+0x53/0x80 [<00000000b73714da>] kvasprintf_const+0xc2/0x110 [<00000000e7aa2326>] kobject_set_name_vargs+0x3b/0xe0 [<0000000065bbba60>] kobject_init_and_add+0x6d/0xc0 [<00000000b28b9871>] nilfs_sysfs_create_device_group+0x98/0x3a0 [<000000007a0ffccb>] init_nilfs+0x523/0x680 [<000000002db63193>] nilfs_mount+0x51b/0x890 [<00000000f9c47e31>] legacy_get_tree+0x2b/0x90 [<0000000060db28f7>] vfs_get_tree+0x28/0x100 [<0000000093e0e32e>] path_mount+0xc5e/0x1170 [<00000000134c509f>] __x64_sys_mount+0x18e/0x1d0 [<00000000dee6772c>] do_syscall_64+0x2d/0x70 [<0000000006261bfa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9