5] audit: type=1400 audit(1580554106.636:43): avc: denied { integrity } for pid=7354 comm="syz-executor359" 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 0xffff8881212d84c0 (size 64): comm "syz-executor359", pid 7355, jiffies 4294942298 (age 13.760s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 90 01 02 00 c9 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000053fa9f73>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000053fa9f73>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000053fa9f73>] slab_alloc mm/slab.c:3320 [inline] [<0000000053fa9f73>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<00000000fd2faae5>] kmalloc include/linux/slab.h:556 [inline] [<00000000fd2faae5>] kzalloc include/linux/slab.h:670 [inline] [<00000000fd2faae5>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<0000000067b5a915>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000abb319a5>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<00000000983fdfa1>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<0000000062984e96>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<000000004521c441>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<000000007389b77c>] snd_pcm_oss_sync.isra.0+0xb8/0x310 sound/core/oss/pcm_oss.c:1707 [<000000005d1ebbc0>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<0000000068034f6b>] __fput+0xed/0x300 fs/file_table.c:280 [<000000008e75cbfc>] ____fput+0x16/0x20 fs/file_table.c:313 [<0000000023d998b1>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<0000000039c9526c>] exit_task_work include/linux/task_work.h:22 [inline] [<0000000039c9526c>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<0000000030dcd66c>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<000000005c866749>] __do_sys_exit_group kernel/exit.c:910 [inline] [<000000005c866749>] __se_sys_exit_group kernel/exit.c:908 [inline] [<000000005c866749>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<0000000013883faa>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff88811f43b240 (size 64): comm "syz-executor359", pid 7356, jiffies 4294942890 (age 7.840s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 21 02 00 c9 ff ff 00 00 00 00 00 00 00 00 ..!............. backtrace: [<0000000053fa9f73>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000053fa9f73>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000053fa9f73>] slab_alloc mm/slab.c:3320 [inline] [<0000000053fa9f73>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<00000000fd2faae5>] kmalloc include/linux/slab.h:556 [inline] [<00000000fd2faae5>] kzalloc include/linux/slab.h:670 [inline] [<00000000fd2faae5>] snd_pcm_lib_malloc_pages+0x12b/0x200 sound/core/pcm_memory.c:404 [<0000000067b5a915>] snd_pcm_hw_params+0x720/0x830 sound/core/pcm_native.c:691 [<00000000abb319a5>] snd_pcm_kernel_ioctl+0xb5/0x170 sound/core/pcm_native.c:3238 [<00000000983fdfa1>] snd_pcm_oss_change_params_locked+0x745/0x1140 sound/core/oss/pcm_oss.c:944 [<0000000062984e96>] snd_pcm_oss_change_params+0x43/0x80 sound/core/oss/pcm_oss.c:1087 [<000000004521c441>] snd_pcm_oss_make_ready+0x55/0xc0 sound/core/oss/pcm_oss.c:1146 [<000000007389b77c>] snd_pcm_oss_sync.isra.0+0xb8/0x310 sound/core/oss/pcm_oss.c:1707 [<000000005d1ebbc0>] snd_pcm_oss_release+0xef/0x100 sound/core/oss/pcm_oss.c:2545 [<0000000068034f6b>] __fput+0xed/0x300 fs/file_table.c:280 [<000000008e75cbfc>] ____fput+0x16/0x20 fs/file_table.c:313 [<0000000023d998b1>] task_work_run+0x9d/0xc0 kernel/task_work.c:113 [<0000000039c9526c>] exit_task_work include/linux/task_work.h:22 [inline] [<0000000039c9526c>] do_exit+0x3fa/0xe20 kernel/exit.c:801 [<0000000030dcd66c>] do_group_exit+0x4b/0xe0 kernel/exit.c:899 [<000000005c866749>] __do_sys_exit_group kernel/exit.c:910 [inline] [<000000005c866749>] __se_sys_exit_group kernel/exit.c:908 [inline] [<000000005c866749>] __x64_sys_exit_group+0x1c/0x20 kernel/exit.c:908 [<0000000013883faa>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294