------------[ cut here ]------------ audit: type=1400 audit(2000000394.094:61): avc: denied { setattr } for pid=22460 comm="syz-executor.2" name="task" dev="proc" ino=50646 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 kernel BUG at drivers/android/binder_alloc.c:1108! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 22459 Comm: syz-executor.5 Not tainted 4.9.190+ #1 task: 000000001236c0cb task.stack: 00000000f64dd3a5 RIP: 0010:[] [<0000000049478cc0>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP: 0018:ffff8801a02174a8 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020ffa000 RCX: ffffc90001113000 RDX: 0000000000000368 RSI: ffffffff82239fbb RDI: ffff8801a27156d8 RBP: ffff8801a0217528 R08: ffff8801a02175a8 R09: 0000000000000008 R10: ffffed0034042f12 R11: ffff8801a0217897 R12: 0000000000000070 R13: 0000000000000130 R14: 0000000000000008 R15: ffff8801a02175a8 FS: 00007f8e920ae700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30122000 CR3: 00000001d2a87000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Stack: ffffffff81249481 ffff8801a0217568 0000000000000246 0000000020000280 ffff8801a71dc028 ffff8801d31d6f58 00ff8801a0217870 ffff8801d31d6f00 ffffffff814fd926 ffff8801d2637c80 0000000000000130 ffff8801a02175a8 Call Trace: [<0000000054d4b938>] binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1154 [<000000005453e3f0>] binder_validate_ptr+0xc5/0x1b0 drivers/android/binder.c:2335 [<0000000049ab02d0>] binder_transaction+0x20a4/0x5890 drivers/android/binder.c:3444 [<00000000a4aaae29>] binder_thread_write+0x730/0x20e0 drivers/android/binder.c:3906 [<00000000de7655a6>] binder_ioctl_write_read drivers/android/binder.c:4854 [inline] [<00000000de7655a6>] binder_ioctl+0xecd/0x1720 drivers/android/binder.c:5030 [<0000000040bde4ce>] vfs_ioctl fs/ioctl.c:43 [inline] [<0000000040bde4ce>] file_ioctl fs/ioctl.c:493 [inline] [<0000000040bde4ce>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 [<000000005f050ba0>] SYSC_ioctl fs/ioctl.c:694 [inline] [<000000005f050ba0>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [<00000000f44448ce>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c1248336>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0a 04 00 00 4d 8b 64 24 58 49 29 dc e8 bf 83 0e ff 4d 39 e6 76 07 e8 b5 83 0e ff <0f> 0b e8 ae 83 0e ff 4c 8b 6d d0 4d 29 f4 4d 39 e5 77 e8 e8 9d RIP [<0000000049478cc0>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP ---[ end trace c2f008ba68dd5195 ]--- ip6_tunnel: ø xmit: Local address not yet configured!