BUG: memory leak unreferenced object 0xffff888129f2e1e0 (size 32): comm "syz.0.27", pid 6851, jiffies 4294952214 hex dump (first 32 bytes): 67 66 73 32 5f 6c 6f 67 64 2f 73 79 7a 3a 73 79 gfs2_logd/syz:sy 7a 2e 30 00 00 00 00 00 00 00 00 00 00 00 00 00 z.0............. backtrace (crc d543dd03): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] __do_kmalloc_node mm/slub.c:5651 [inline] __kmalloc_node_track_caller_noprof+0x3af/0x670 mm/slub.c:5759 kvasprintf+0x70/0xf0 lib/kasprintf.c:25 __kthread_create_on_node+0x98/0x1b0 kernel/kthread.c:519 kthread_create_on_node+0x73/0xa0 kernel/kthread.c:587 init_threads fs/gfs2/ops_fstype.c:1065 [inline] gfs2_fill_super+0xe30/0x1410 fs/gfs2/ops_fstype.c:1265 get_tree_bdev_flags+0x1c2/0x290 fs/super.c:1691 gfs2_get_tree+0x26/0xd0 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x31/0x120 fs/super.c:1751 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3636 [inline] do_new_mount fs/namespace.c:3712 [inline] path_mount+0x5b5/0x1320 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888108a88000 (size 4480): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 00 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 ................ backtrace (crc 2abf5afb): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5310 alloc_task_struct_node kernel/fork.c:184 [inline] dup_task_struct kernel/fork.c:915 [inline] copy_process+0x2a7/0x2860 kernel/fork.c:2052 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 BUG: memory leak unreferenced object 0xffff888102af5f00 (size 184): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc d13dea67): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] kmem_cache_alloc_noprof+0x3b4/0x590 mm/slub.c:5265 prepare_creds+0x22/0x5e0 kernel/cred.c:185 copy_creds+0x44/0x290 kernel/cred.c:286 copy_process+0x979/0x2860 kernel/fork.c:2086 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 BUG: memory leak unreferenced object 0xffff888103234f40 (size 32): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ f8 12 86 00 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace (crc f9956722): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] __do_kmalloc_node mm/slub.c:5651 [inline] __kmalloc_noprof+0x3e0/0x660 mm/slub.c:5664 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] lsm_blob_alloc+0x4d/0x70 security/security.c:192 lsm_cred_alloc security/security.c:209 [inline] security_prepare_creds+0x2f/0x270 security/security.c:2763 prepare_creds+0x385/0x5e0 kernel/cred.c:215 copy_creds+0x44/0x290 kernel/cred.c:286 copy_process+0x979/0x2860 kernel/fork.c:2086 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 BUG: memory leak unreferenced object 0xffff888111428180 (size 192): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ 01 00 00 00 00 00 00 00 70 40 5b 82 ff ff ff ff ........p@[..... backtrace (crc 13fa6af7): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5766 kmalloc_noprof include/linux/slab.h:957 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] set_kthread_struct+0x58/0x140 kernel/kthread.c:125 copy_process+0x138f/0x2860 kernel/fork.c:2150 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 BUG: memory leak unreferenced object 0xffff888113143380 (size 64): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 80 05 8a 89 ff ff ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 63bf9b0f): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] __do_kmalloc_node mm/slub.c:5651 [inline] __kmalloc_noprof+0x3e0/0x660 mm/slub.c:5664 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] lsm_blob_alloc+0x4d/0x70 security/security.c:192 lsm_task_alloc security/security.c:244 [inline] security_task_alloc+0x2c/0x260 security/security.c:2682 copy_process+0xf25/0x2860 kernel/fork.c:2203 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 BUG: memory leak unreferenced object 0xffff8881089c6d00 (size 1152): comm "kthreadd", pid 2, jiffies 4294952214 hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 10 6d 9c 08 81 88 ff ff 10 6d 9c 08 81 88 ff ff .m.......m...... backtrace (crc 5a2138b8): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5258 [inline] kmem_cache_alloc_noprof+0x3b4/0x590 mm/slub.c:5265 copy_signal kernel/fork.c:1699 [inline] copy_process+0x1850/0x2860 kernel/fork.c:2218 kernel_clone+0x119/0x6c0 kernel/fork.c:2651 kernel_thread+0x7c/0xb0 kernel/fork.c:2712 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x196/0x260 kernel/kthread.c:844 ret_from_fork+0x2cf/0x300 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF