====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc5+ #352 Not tainted ------------------------------------------------------ syz-executor5/13955 is trying to acquire lock: (&sb->s_type->i_mutex_key#11){++++}, at: [<000000003db31747>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#11){++++}, at: [<000000003db31747>] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 but task is already holding lock: (ashmem_mutex){+.+.}, at: [<0000000078486672>] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:326 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (ashmem_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 ashmem_mmap+0x53/0x410 drivers/staging/android/ashmem.c:362 call_mmap include/linux/fs.h:1786 [inline] mmap_region+0xa99/0x15a0 mm/mmap.c:1705 do_mmap+0x6c0/0xe00 mm/mmap.c:1483 do_mmap_pgoff include/linux/mm.h:2223 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:355 SYSC_mmap_pgoff mm/mmap.c:1533 [inline] SyS_mmap_pgoff+0x462/0x5f0 mm/mmap.c:1491 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&mm->mmap_sem){++++}: __might_fault+0x13a/0x1d0 mm/memory.c:4571 _copy_to_user+0x2c/0xc0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] filldir+0x1a7/0x320 fs/readdir.c:196 dir_emit_dot include/linux/fs.h:3370 [inline] dir_emit_dots include/linux/fs.h:3381 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:192 iterate_dir+0x1ca/0x530 fs/readdir.c:51 SYSC_getdents fs/readdir.c:231 [inline] SyS_getdents+0x225/0x450 fs/readdir.c:212 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&sb->s_type->i_mutex_key#11){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 vfs_llseek+0xa2/0xd0 fs/read_write.c:300 ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:338 vfs_llseek fs/read_write.c:300 [inline] SYSC_lseek fs/read_write.c:313 [inline] SyS_lseek+0xeb/0x170 fs/read_write.c:304 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#11 --> &mm->mmap_sem --> ashmem_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&sb->s_type->i_mutex_key#11); *** DEADLOCK *** 1 lock held by syz-executor5/13955: #0: (ashmem_mutex){+.+.}, at: [<0000000078486672>] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:326 stack backtrace: CPU: 0 PID: 13955 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 vfs_llseek+0xa2/0xd0 fs/read_write.c:300 ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:338 vfs_llseek fs/read_write.c:300 [inline] SYSC_lseek fs/read_write.c:313 [inline] SyS_lseek+0xeb/0x170 fs/read_write.c:304 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f3bbbb2bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007f3bbbb2c6d4 RCX: 0000000000453e69 RDX: 0000000000000003 RSI: 0000000080800000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003da R14: 00000000006f5d10 R15: 0000000000000000 dccp_xmit_packet: Payload too large (65423) for featneg. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14054 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14063 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14073 comm=syz-executor1 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14100 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14131 comm=syz-executor1 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14151 comm=syz-executor1 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14161 comm=syz-executor1 dccp_xmit_packet: Payload too large (65423) for featneg. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=14188 comm=syz-executor1 IPVS: ftp: loaded support on port[0] = 21 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 14863 Comm: syz-executor7 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3286 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3629 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] alloc_skb_with_frags+0x10d/0x750 net/core/skbuff.c:5224 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2085 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2102 dccp_sendmsg+0x2a6/0xdc0 net/dccp/proto.c:792 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 SYSC_sendto+0x361/0x5c0 net/socket.c:1747 SyS_sendto+0x40/0x50 net/socket.c:1715 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fac2d75dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fac2d75e6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000020531fff RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 00000000000004cc R14: 00000000006f73c0 R15: 0000000000000000 CPU: 1 PID: 14875 Comm: syz-executor0 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3286 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3629 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] alloc_skb_with_frags+0x10d/0x750 net/core/skbuff.c:5224 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2085 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2102 dccp_sendmsg+0x2a6/0xdc0 net/dccp/proto.c:792 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 sock_write_iter+0x31a/0x5d0 net/socket.c:909 call_write_iter include/linux/fs.h:1781 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x684/0x970 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f6b1477bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f6b1477c6d4 RCX: 0000000000453e69 RDX: 000000000000ff8f RSI: 0000000020f8aff1 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 000000000000066e R14: 00000000006f9af0 R15: 0000000000000000 CPU: 0 PID: 14884 Comm: syz-executor7 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3286 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3648 __do_kmalloc_node mm/slab.c:3668 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3683 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] alloc_skb_with_frags+0x10d/0x750 net/core/skbuff.c:5224 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2085 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2102 dccp_sendmsg+0x2a6/0xdc0 net/dccp/proto.c:792 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 SYSC_sendto+0x361/0x5c0 net/socket.c:1747 SyS_sendto+0x40/0x50 net/socket.c:1715 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fac2d75dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fac2d75e6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000020531fff RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 00000000000004cc R14: 00000000006f73c0 R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14903 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 dst_alloc+0x11f/0x1a0 net/core/dst.c:104 rt_dst_alloc+0xe9/0x520 net/ipv4/route.c:1507 __mkroute_output net/ipv4/route.c:2251 [inline] ip_route_output_key_hash_rcu+0xa59/0x2f00 net/ipv4/route.c:2479 ip_route_output_key_hash+0x20b/0x370 net/ipv4/route.c:2308 __ip_route_output_key include/net/route.h:125 [inline] ip_route_connect include/net/route.h:300 [inline] dccp_v4_connect+0xdd2/0x1750 net/dccp/ipv4.c:75 __inet_stream_connect+0x2d4/0xf00 net/ipv4/af_inet.c:620 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:684 SYSC_connect+0x213/0x4a0 net/socket.c:1639 SyS_connect+0x24/0x30 net/socket.c:1620 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f3bbbb2bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f3bbbb2c6d4 RCX: 0000000000453e69 RDX: 0000000000000010 RSI: 0000000020772000 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 0000000000000059 R14: 00000000006f08f8 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14949 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 net_ratelimit: 31 callbacks suppressed dccp_xmit_packet: Payload too large (65423) for featneg. should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 inet_bind_bucket_create+0x7a/0x350 net/ipv4/inet_hashtables.c:70 __inet_hash_connect+0x670/0xed0 net/ipv4/inet_hashtables.c:729 inet_hash_connect+0x6a/0x140 net/ipv4/inet_hashtables.c:777 dccp_v4_connect+0xabf/0x1750 net/dccp/ipv4.c:106 __inet_stream_connect+0x2d4/0xf00 net/ipv4/af_inet.c:620 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:684 SYSC_connect+0x213/0x4a0 net/socket.c:1639 SyS_connect+0x24/0x30 net/socket.c:1620 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f3bbbb2bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f3bbbb2c6d4 RCX: 0000000000453e69 RDX: 0000000000000010 RSI: 0000000020772000 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 0000000000000059 R14: 00000000006f08f8 R15: 0000000000000001 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 15154 Comm: syz-executor3 Not tainted 4.16.0-rc5+ #352 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3286 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3629 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] nlmsg_new include/net/netlink.h:511 [inline] inet_netconf_notify_devconf+0xb4/0x1d0 net/ipv4/devinet.c:1885 __devinet_sysctl_unregister.isra.23+0x87/0xb0 net/ipv4/devinet.c:2336 devinet_sysctl_unregister+0x92/0xf0 net/ipv4/devinet.c:2360 inetdev_destroy net/ipv4/devinet.c:310 [inline] inetdev_event+0x9e5/0x1270 net/ipv4/devinet.c:1524 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x32/0x70 net/core/dev.c:1707 call_netdevice_notifiers net/core/dev.c:1725 [inline] rollback_registered_many+0x8b5/0xe20 net/core/dev.c:7398 rollback_registered+0x1be/0x3c0 net/core/dev.c:7440 unregister_netdevice_queue+0x2e3/0x5f0 net/core/dev.c:8454 unregister_netdevice include/linux/netdevice.h:2473 [inline] __tun_detach+0x520/0x10b0 drivers/net/tun.c:735 tun_detach drivers/net/tun.c:745 [inline] tun_chr_close+0x44/0x60 drivers/net/tun.c:3167 __fput+0x327/0x7e0 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc1899e9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007fc1899ea6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000052 R14: 00000000006f0850 R15: 0000000000000000 dccp_xmit_packet: Payload too large (65423) for featneg. kauditd_printk_skb: 9 callbacks suppressed audit: type=1400 audit(1520949870.954:154): avc: denied { sys_chroot } for pid=15246 comm="syz-executor6" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520949871.034:155): avc: denied { ipc_owner } for pid=15284 comm="syz-executor6" capability=15 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. dccp_xmit_packet: Payload too large (65423) for featneg. audit: type=1400 audit(1520949871.668:156): avc: denied { set_context_mgr } for pid=15539 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder: 15539 invalid dec weak, ref 41 desc 0 s 1 w 0 audit: type=1400 audit(1520949871.672:157): avc: denied { call } for pid=15539 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder: 15539:15562 ioctl 9000aea4 20001800 returned -22 audit: type=1400 audit(1520949871.672:158): avc: denied { transfer } for pid=15539 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder_alloc: binder_alloc_mmap_handler: 15539 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 15539:15544 ioctl 40046207 0 returned -16 binder_alloc: 15539: binder_alloc_buf, no vma binder: 15539:15562 transaction failed 29189/-3, size 40-8 line 2963 binder: 15539 invalid dec weak, ref 43 desc 0 s 1 w 0 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 15539:15544 transaction 38 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE dccp_xmit_packet: Payload too large (65423) for featneg. binder: send failed reply for transaction 38, target dead dccp_xmit_packet: Payload too large (65423) for featneg. binder: 15710:15717 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 15710:15717 Acquire 1 refcount change on invalid ref 0 ret -22 QAT: Invalid ioctl QAT: Invalid ioctl binder: 15905:15914 Acquire 1 refcount change on invalid ref 0 ret -22 audit: type=1400 audit(1520949872.659:159): avc: denied { map } for pid=15940 comm="syz-executor1" path="socket:[47520]" dev="sockfs" ino=47520 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=tcp_socket permissive=1 audit: type=1400 audit(1520949872.851:160): avc: denied { ipc_lock } for pid=16020 comm="" capability=14 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 binder: 16069 invalid dec weak, ref 48 desc 0 s 1 w 0 binder: release 16069:16072 transaction 45 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 45, target dead binder: 16101 invalid dec weak, ref 53 desc 0 s 1 w 0 binder: release 16101:16104 transaction 50 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 50, target dead binder: 16124 invalid dec weak, ref 58 desc 0 s 1 w 0 binder: release 16124:16126 transaction 55 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 55, target dead binder: 16150 invalid dec weak, ref 63 desc 0 s 1 w 0 binder: release 16150:16158 transaction 60 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 60, target dead binder: 16164 invalid dec weak, ref 68 desc 0 s 1 w 0 binder: release 16164:16172 transaction 65 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 65, target dead binder: release 16201:16204 transaction 70 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 70, target dead binder: release 16223:16230 transaction 75 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 75, target dead binder: 16254:16259 transaction failed 29189/-22, size 40-8 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 16270:16276 transaction failed 29189/-22, size 40-8 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 16290:16291 transaction failed 29189/-22, size 40-8 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 16315: binder_alloc_buf, no vma binder: 16315:16316 transaction failed 29189/-3, size 40-8 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 16328: binder_alloc_buf, no vma binder: 16328:16336 transaction failed 29189/-3, size 40-8 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 16362: binder_alloc_buf, no vma binder: 16362:16365 transaction failed 29189/-3, size 40-8 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 16431:16432 transaction 88 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 88, target dead binder: release 16455:16459 transaction 92 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 92, target dead binder: release 16467:16474 transaction 96 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 96, target dead binder: release 16494:16498 transaction 100 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 100, target dead binder: release 16520:16527 transaction 104 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 104, target dead binder: release 16538:16539 transaction 108 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 108, target dead QAT: Invalid ioctl QAT: Invalid ioctl