dit(1575817448.496:42): avc: denied { map } for pid=7140 comm="syz-executor101" path="/root/syz-executor101147743" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program BUG: memory leak unreferenced object 0xffff88810f01fae0 (size 32): comm "syz-executor101", pid 7141, jiffies 4294942680 (age 20.060s) hex dump (first 32 bytes): 00 64 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 .dmabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000029985269>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000029985269>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000029985269>] slab_alloc mm/slab.c:3320 [inline] [<0000000029985269>] __do_kmalloc mm/slab.c:3654 [inline] [<0000000029985269>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000019b6400>] memdup_user+0x26/0xc0 mm/util.c:172 [<000000008879011d>] strndup_user+0x62/0x80 mm/util.c:231 [<00000000a5840b57>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<00000000a5840b57>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<00000000dda8d6ac>] vfs_ioctl fs/ioctl.c:47 [inline] [<00000000dda8d6ac>] file_ioctl fs/ioctl.c:545 [inline] [<00000000dda8d6ac>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<00000000784cad72>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000cace182b>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000cace182b>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000cace182b>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<000000001c6789c6>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<00000000274e7b71>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881235e56c0 (size 32): comm "syz-executor101", pid 7143, jiffies 4294943865 (age 8.210s) hex dump (first 32 bytes): 00 64 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 .dmabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000029985269>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000029985269>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000029985269>] slab_alloc mm/slab.c:3320 [inline] [<0000000029985269>] __do_kmalloc mm/slab.c:3654 [inline] [<0000000029985269>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000019b6400>] memdup_user+0x26/0xc0 mm/util.c:172 [<000000008879011d>] strndup_user+0x62/0x80 mm/util.c:231 [<00000000a5840b57>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<00000000a5840b57>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<00000000dda8d6ac>] vfs_ioctl fs/ioctl.c:47 [inline] [<00000000dda8d6ac>] file_ioctl fs/ioctl.c:545 [inline] [<00000000dda8d6ac>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<00000000784cad72>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000cace182b>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000cace182b>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000cace182b>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<000000001c6789c6>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<00000000274e7b71>] entry_SYSCALL_64_after_hwframe+0x44/0xa9