5] audit: type=1400 audit(1580921469.468:43): avc: denied { integrity } for pid=7209 comm="syz-executor946" 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 0xffff888122bdbd40 (size 64): comm "syz-executor946", pid 7212, jiffies 4294941403 (age 13.920s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 10 f3 01 00 c9 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003d582e15>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d582e15>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000003d582e15>] slab_alloc mm/slab.c:3320 [inline] [<000000003d582e15>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000048b9d6fd>] kmalloc include/linux/slab.h:555 [inline] [<0000000048b9d6fd>] kzalloc include/linux/slab.h:669 [inline] [<0000000048b9d6fd>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<00000000f738915b>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000d922bd75>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<0000000015af6526>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<0000000084b2d899>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<00000000158dc7ec>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<000000003075b56c>] snd_pcm_oss_sync.isra.0+0x137/0x310 sound/core/oss/pcm_oss.c:1641 [<00000000deeba316>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000d41c3a9b>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aae43aca>] ____fput+0x16/0x20 fs/file_table.c:313 [<00000000533c2697>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<00000000288cbd82>] exit_task_work include/linux/task_work.h:22 [inline] [<00000000288cbd82>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<00000000f8d4fc95>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<00000000f2b5343e>] __do_sys_exit_group kernel/exit.c:910 [inline] [<00000000f2b5343e>] __se_sys_exit_group kernel/exit.c:908 [inline] [<00000000f2b5343e>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000cc5bb0fc>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff88811a815040 (size 64): comm "syz-executor946", pid 7212, jiffies 4294941403 (age 13.920s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 20 13 02 00 c9 ff ff 00 00 00 00 00 00 00 00 . .............. backtrace: [<000000003d582e15>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d582e15>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000003d582e15>] slab_alloc mm/slab.c:3320 [inline] [<000000003d582e15>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000048b9d6fd>] kmalloc include/linux/slab.h:555 [inline] [<0000000048b9d6fd>] kzalloc include/linux/slab.h:669 [inline] [<0000000048b9d6fd>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<00000000f738915b>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000d922bd75>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<0000000015af6526>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<0000000084b2d899>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<00000000158dc7ec>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<000000004c380d46>] snd_pcm_oss_sync.isra.0+0xb8/0x310 sound/core/oss/pcm_oss.c:1707 [<00000000deeba316>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000d41c3a9b>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aae43aca>] ____fput+0x16/0x20 fs/file_table.c:313 [<00000000533c2697>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<00000000288cbd82>] exit_task_work include/linux/task_work.h:22 [inline] [<00000000288cbd82>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<00000000f8d4fc95>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<00000000f2b5343e>] __do_sys_exit_group kernel/exit.c:910 [inline] [<00000000f2b5343e>] __se_sys_exit_group kernel/exit.c:908 [inline] [<00000000f2b5343e>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000cc5bb0fc>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888122807400 (size 64): comm "syz-executor946", pid 7213, jiffies 4294941999 (age 7.960s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 90 8c 02 00 c9 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003d582e15>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d582e15>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000003d582e15>] slab_alloc mm/slab.c:3320 [inline] [<000000003d582e15>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000048b9d6fd>] kmalloc include/linux/slab.h:555 [inline] [<0000000048b9d6fd>] kzalloc include/linux/slab.h:669 [inline] [<0000000048b9d6fd>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<00000000f738915b>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000d922bd75>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<0000000015af6526>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<0000000084b2d899>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<00000000158dc7ec>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<000000003075b56c>] snd_pcm_oss_sync.isra.0+0x137/0x310 sound/core/oss/pcm_oss.c:1641 [<00000000deeba316>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<00000000d41c3a9b>] __fput+0xed/0x300 fs/file_table.c:280 [<00000000aae43aca>] ____fput+0x16/0x20 fs/file_table.c:313 [<00000000533c2697>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<00000000288cbd82>] exit_task_work include/linux/task_work.h:22 [inline] [<00000000288cbd82>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<00000000f8d4fc95>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<00000000f2b5343e>] __do_sys_exit_group kernel/exit.c:910 [inline] [<00000000f2b5343e>] __se_sys_exit_group kernel/exit.c:908 [inline] [<00000000f2b5343e>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<00000000cc5bb0fc>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294