sendmmsg$unix(r2, &(0x7f0000002e40)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000002e00)=[@cred={{0xf, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}], 0x20}}], 0x2, 0x0) sendfile(r1, r0, 0x0, 0x409afb) BUG: memory leak unreferenced object 0xffff88800ef03680 (size 416): comm "syz-executor.1", pid 17282, jiffies 4297735299 (age 25.672s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 6a 00 00 00 00 00 00 00 2f 7a c2 0a 00 00 00 00 j......./z...... backtrace: [<000000009a9e24cf>] taskstats_exit+0x5f1/0xae0 [<00000000946a4c60>] do_exit+0x87f/0x27e0 [<0000000030a99215>] do_group_exit+0xd2/0x2f0 [<000000002303bc13>] __x64_sys_exit_group+0x3a/0x50 [<000000002900634e>] do_syscall_64+0x3b/0x90 [<00000000336d7f82>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: leak checking failed