Hi Johannes! Could these be related to your set? Perhaps some annotation missing? :)
They are present on net-next but not on 4fe77d82ef80 ("skbedit: allow the user to specify bitmask for mark"). unreferenced object 0xffff8807396a0348 (size 64): comm "swapper/0", pid 1, jiffies 4294898458 (age 781.352s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d0ecf>] genl_init+0x11/0x43 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8807389cba28 (size 128): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.332s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d9524>] netlbl_mgmt_genl_init+0x10/0x12 [<ffffffff888d91e8>] netlbl_netlink_init+0x9/0x26 [<ffffffff888d9254>] netlbl_init+0x4f/0x85 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8807389c8f08 (size 128): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.332s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d992f>] netlbl_cipsov4_genl_init+0x10/0x12 [<ffffffff888d91f1>] netlbl_netlink_init+0x12/0x26 [<ffffffff888d9254>] netlbl_init+0x4f/0x85 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff88072dd23b08 (size 32): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.348s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d9941>] netlbl_calipso_genl_init+0x10/0x12 [<ffffffff888d91fa>] netlbl_netlink_init+0x1b/0x26 [<ffffffff888d9254>] netlbl_init+0x4f/0x85 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8807396a0828 (size 64): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.348s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d9536>] netlbl_unlabel_genl_init+0x10/0x12 [<ffffffff888d9203>] netlbl_netlink_init+0x24/0x26 [<ffffffff888d9254>] netlbl_init+0x4f/0x85 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff880711df5ba8 (size 64): comm "swapper/0", pid 1, jiffies 4294898511 (age 781.160s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff88877dc4>] quota_init+0x10/0x24 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff88072dc3e2e8 (size 16): comm "swapper/0", pid 1, jiffies 4294898513 (age 781.152s) hex dump (first 16 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff88898d4f>] acpi_event_init+0x4a/0x5e [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff880713975598 (size 16): comm "swapper/0", pid 1, jiffies 4294898569 (age 780.932s) hex dump (first 16 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888bd402>] thermal_init+0x4f/0xdf [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff880715f52d08 (size 128): comm "swapper/0", pid 1, jiffies 4294898660 (age 780.584s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d1e5e>] tcp_metrics_init+0x31/0x48 [<ffffffff888d1b89>] tcp_init+0x5af/0x5e1 [<ffffffff888d2747>] inet_init+0x216/0x34b [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8806fdc3eac8 (size 256): comm "swapper/0", pid 1, jiffies 4294900250 (age 774.292s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff888d0897>] devlink_module_init+0x10/0x12 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8806fdff51e8 (size 64): comm "swapper/0", pid 1, jiffies 4294900263 (age 774.240s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [<ffffffff85decad8>] kmemleak_alloc+0x28/0x50 [<ffffffff84771246>] __kmalloc+0x206/0x5a0 [<ffffffff859e1261>] genl_register_family+0x711/0x11d0 [<ffffffff8885c8f7>] taskstats_init+0x11/0x37 [<ffffffff840022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffff887f9102>] kernel_init_freeable+0x597/0x636 [<ffffffff85de7793>] kernel_init+0x13/0x140 [<ffffffff85e0246a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff BTW this one is also relatively new (not present before 4.9-rc1 but present on 4fe77d82ef80 already). Not sure which commit could have added that: unreferenced object 0xffff8807383bfd48 (size 96): comm "swapper/0", pid 1, jiffies 4294894636 (age 278.320s) hex dump (first 32 bytes): a0 b4 b0 ba ff ff ff ff 00 00 00 00 01 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffb7de59e8>] kmemleak_alloc+0x28/0x50 [<ffffffffb676e2f6>] __kmalloc+0x206/0x5a0 [<ffffffffb69be2d3>] __register_sysctl_table+0xb3/0x1130 [<ffffffffb69bf36b>] register_sysctl+0x1b/0x20 [<ffffffffba840de1>] user_namespace_sysctl_init+0x17/0x4c [<ffffffffb60022b7>] do_one_initcall+0xb7/0x2a0 [<ffffffffba7eb102>] kernel_init_freeable+0x597/0x636 [<ffffffffb7de0433>] kernel_init+0x13/0x140 [<ffffffffb7dfb36a>] ret_from_fork+0x2a/0x40 [<ffffffffffffffff>] 0xffffffffffffffff