6] audit: type=1400 audit(1580335366.489:43): avc: denied { integrity } for pid=7172 comm="syz-executor306" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 executing program executing program BUG: memory leak unreferenced object 0xffff8881291b6f00 (size 64): comm "syz-executor306", pid 7173, jiffies 4294944143 (age 12.610s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 20 fa 01 00 c9 ff ff 00 00 00 00 00 00 00 00 . .............. backtrace: [<00000000ec33cfa3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000ec33cfa3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000ec33cfa3>] slab_alloc mm/slab.c:3320 [inline] [<00000000ec33cfa3>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000054a65d91>] kmalloc include/linux/slab.h:556 [inline] [<0000000054a65d91>] kzalloc include/linux/slab.h:670 [inline] [<0000000054a65d91>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<000000001d7deedd>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000730a6eaa>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<000000006121bbbf>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<000000006eda9ad5>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<000000009533bbd0>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<00000000a275f36d>] snd_pcm_oss_sync.isra.0+0xb8/0x310 sound/core/oss/pcm_oss.c:1707 [<00000000cd91367e>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000fb8eebba>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aa9ea74b>] ____fput+0x16/0x20 fs/file_table.c:313 [<000000005ced1ad1>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<000000007e548979>] exit_task_work include/linux/task_work.h:22 [inline] [<000000007e548979>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<000000005f36e2ef>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<000000008c33282b>] __do_sys_exit_group kernel/exit.c:910 [inline] [<000000008c33282b>] __se_sys_exit_group kernel/exit.c:908 [inline] [<000000008c33282b>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000239e3792>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff88811a7519c0 (size 64): comm "syz-executor306", pid 7174, jiffies 4294944674 (age 7.300s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 30 1a 02 00 c9 ff ff 00 00 00 00 00 00 00 00 .0.............. backtrace: [<00000000ec33cfa3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000ec33cfa3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000ec33cfa3>] slab_alloc mm/slab.c:3320 [inline] [<00000000ec33cfa3>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000054a65d91>] kmalloc include/linux/slab.h:556 [inline] [<0000000054a65d91>] kzalloc include/linux/slab.h:670 [inline] [<0000000054a65d91>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<000000001d7deedd>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000730a6eaa>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<000000006121bbbf>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<000000006eda9ad5>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<000000009533bbd0>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<00000000300406b1>] snd_pcm_oss_sync.isra.0+0x137/0x310 sound/core/oss/pcm_oss.c:1641 [<00000000cd91367e>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000fb8eebba>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aa9ea74b>] ____fput+0x16/0x20 fs/file_table.c:313 [<000000005ced1ad1>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<000000007e548979>] exit_task_work include/linux/task_work.h:22 [inline] [<000000007e548979>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<000000005f36e2ef>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<000000008c33282b>] __do_sys_exit_group kernel/exit.c:910 [inline] [<000000008c33282b>] __se_sys_exit_group kernel/exit.c:908 [inline] [<000000008c33282b>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000239e3792>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff88811a751380 (size 64): comm "syz-executor306", pid 7174, jiffies 4294944674 (age 7.300s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 50 d8 03 00 c9 ff ff 00 00 00 00 00 00 00 00 .P.............. backtrace: [<00000000ec33cfa3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000ec33cfa3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000ec33cfa3>] slab_alloc mm/slab.c:3320 [inline] [<00000000ec33cfa3>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000054a65d91>] kmalloc include/linux/slab.h:556 [inline] [<0000000054a65d91>] kzalloc include/linux/slab.h:670 [inline] [<0000000054a65d91>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<000000001d7deedd>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000730a6eaa>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<000000006121bbbf>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<000000006eda9ad5>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<000000009533bbd0>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<00000000a275f36d>] snd_pcm_oss_sync.isra.0+0xb8/0x310 sound/core/oss/pcm_oss.c:1707 [<00000000cd91367e>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000fb8eebba>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aa9ea74b>] ____fput+0x16/0x20 fs/file_table.c:313 [<000000005ced1ad1>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<000000007e548979>] exit_task_work include/linux/task_work.h:22 [inline] [<000000007e548979>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<000000005f36e2ef>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<000000008c33282b>] __do_sys_exit_group kernel/exit.c:910 [inline] [<000000008c33282b>] __se_sys_exit_group kernel/exit.c:908 [inline] [<000000008c33282b>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000239e3792>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294