------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1130! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI Modules linked in: CPU: 1 PID: 20571 Comm: syz-executor.2 Not tainted 4.14.108+ #39 task: ffff8881d2fb1780 task.stack: ffff888185140000 RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: 0018:ffff8881851475d0 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020001020 RCX: 0000000000019352 RDX: ffffffff82237477 RSI: ffffc9000193b000 RDI: ffff8881cf0844d8 RBP: 0000000000000020 R08: ffff8881851478b0 R09: 0000000000000028 R10: ffffed1030a28f06 R11: ffff888185147837 R12: ffff8881c2e31d98 R13: 0000000000000028 R14: 00000062c6204900 R15: ffff8881851478b0 FS: 00007fca5efc6700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3c7d410db8 CR3: 00000001c7184001 CR4: 00000000001606a0 kauditd_printk_skb: 133 callbacks suppressed audit: type=1400 audit(2000000263.540:24384): avc: denied { map } for pid=20574 comm="modprobe" path="/etc/ld.so.cache" dev="sda1" ino=2503 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Call Trace: audit: type=1400 audit(2000000263.550:24385): avc: denied { map } for pid=20574 comm="modprobe" path="/lib/x86_64-linux-gnu/libkmod.so.2.1.3" dev="sda1" ino=2811 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 binder_get_object+0x90/0x190 drivers/android/binder.c:2244 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338 audit: type=1400 audit(2000000263.610:24386): avc: denied { map } for pid=20574 comm="modprobe" path="/lib/x86_64-linux-gnu/libkmod.so.2.1.3" dev="sda1" ino=2811 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000000263.610:24387): avc: denied { map } for pid=20574 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 04 00 00 48 8b 6d 58 48 29 dd e8 33 33 0d ff 49 39 ed 76 07 e8 29 33 0d ff <0f> 0b e8 22 33 0d ff 4c 29 ed 49 39 ee 77 ec e8 15 33 0d ff 41 RIP: binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: ffff8881851475d0 audit: type=1400 audit(2000000263.610:24388): avc: denied { map } for pid=20574 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000000263.700:24389): avc: denied { read } for pid=20566 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 ------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1130! audit: type=1400 audit(2000000263.790:24390): avc: denied { map } for pid=20576 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 invalid opcode: 0000 [#2] PREEMPT SMP KASAN NOPTI Modules linked in: CPU: 1 PID: 20593 Comm: syz-executor.2 Tainted: G D 4.14.108+ #39 task: ffff88819ec8af00 task.stack: ffff888191218000 RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: 0018:ffff88819121f5d0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000020001040 RCX: 0000000000014889 RDX: ffffffff82237477 RSI: ffffc9000213f000 RDI: ffff8881c7fe62d8 RBP: 0000000000000020 R08: ffff88819121f8b0 R09: 0000000000000028 R10: ffffed1032243f06 R11: ffff88819121f837 R12: ffff8881c2e31d98 R13: 0000000000000028 R14: 00000062c6204900 R15: ffff88819121f8b0 FS: 00007fca5ef84700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 00000001c7184001 CR4: 00000000001606a0 Call Trace: binder_get_object+0x90/0x190 drivers/android/binder.c:2244 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338 audit: type=1400 audit(2000000263.790:24391): avc: denied { map } for pid=20576 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000000263.830:24392): avc: denied { map } for pid=20576 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000000263.830:24393): avc: denied { map } for pid=20576 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 04 00 00 48 8b 6d 58 48 29 dd e8 33 33 0d ff 49 39 ed 76 07 e8 29 33 0d ff <0f> 0b e8 22 33 0d ff 4c 29 ed 49 39 ee 77 ec e8 15 33 0d ff 41 RIP: binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: ffff88819121f5d0 ---[ end trace a6ba83fe9705593e ]---