binder: 5831:5861 transaction failed 29189/-3, size 0-0 line 2963 binder: release 5831:5845 transaction 5 out, still active binder: send failed reply for transaction 5, target dead ====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc4+ #347 Not tainted ------------------------------------------------------ syz-executor7/5883 is trying to acquire lock: (&mm->mmap_sem){++++}, at: [<000000002fbfbd74>] __might_fault+0xe0/0x1d0 mm/memory.c:4570 but task is already holding lock: (ashmem_mutex){+.+.}, at: [<00000000ed8850c7>] ashmem_pin_unpin drivers/staging/android/ashmem.c:705 [inline] (ashmem_mutex){+.+.}, at: [<00000000ed8850c7>] ashmem_ioctl+0x3db/0x11b0 drivers/staging/android/ashmem.c:782 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (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 -> #0 (&mm->mmap_sem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __might_fault+0x13a/0x1d0 mm/memory.c:4571 _copy_from_user+0x2c/0x110 lib/usercopy.c:10 copy_from_user include/linux/uaccess.h:147 [inline] ashmem_pin_unpin drivers/staging/android/ashmem.c:710 [inline] ashmem_ioctl+0x438/0x11b0 drivers/staging/android/ashmem.c:782 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 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: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor7/5883: #0: (ashmem_mutex){+.+.}, at: [<00000000ed8850c7>] ashmem_pin_unpin drivers/staging/android/ashmem.c:705 [inline] #0: (ashmem_mutex){+.+.}, at: [<00000000ed8850c7>] ashmem_ioctl+0x3db/0x11b0 drivers/staging/android/ashmem.c:782 stack backtrace: CPU: 0 PID: 5883 Comm: syz-executor7 Not tainted 4.16.0-rc4+ #347 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 __might_fault+0x13a/0x1d0 mm/memory.c:4571 _copy_from_user+0x2c/0x110 lib/usercopy.c:10 copy_from_user include/linux/uaccess.h:147 [inline] ashmem_pin_unpin drivers/staging/android/ashmem.c:710 [inline] ashmem_ioctl+0x438/0x11b0 drivers/staging/android/ashmem.c:782 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc2782aac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc2782ab6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000000007709 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000189 R14: 00000000006f2578 R15: 0000000000000000 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. binder: release 5897:5918 transaction 8 out, still active binder: send failed reply for transaction 8, target dead netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 6025 Comm: syz-executor1 Not tainted 4.16.0-rc4+ #347 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 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007fb3d5ea4bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fb3d5ea56d4 RCX: 000000000040e161 RDX: 00007fb3d5ea4be9 RSI: 0000000000000002 RDI: 00007fb3d5ea4bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000019 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000013 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6048 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #347 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. 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 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007f8904c87bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f8904c886d4 RCX: 000000000040e161 RDX: 00007f8904c87be2 RSI: 0000000000000002 RDI: 00007f8904c87bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000014 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. CPU: 0 PID: 6075 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #347 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 kmem_cache_zalloc include/linux/slab.h:691 [inline] get_empty_filp+0xfb/0x4f0 fs/file_table.c:122 path_openat+0xed/0x3530 fs/namei.c:3495 do_filp_open+0x25b/0x3b0 fs/namei.c:3553 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007f8904c87bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f8904c886d4 RCX: 000000000040e161 RDX: 00007f8904c87be2 RSI: 0000000000000002 RDI: 00007f8904c87bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000014 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000001 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6102 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #347 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. 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 kmem_cache_zalloc include/linux/slab.h:691 [inline] get_empty_filp+0xfb/0x4f0 fs/file_table.c:122 path_openat+0xed/0x3530 fs/namei.c:3495 do_filp_open+0x25b/0x3b0 fs/namei.c:3553 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007f8904c87bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f8904c886d4 RCX: 000000000040e161 RDX: 00007f8904c87be2 RSI: 0000000000000002 RDI: 00007f8904c87bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000014 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000002 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6152 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #347 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 kmem_cache_zalloc include/linux/slab.h:691 [inline] file_alloc_security security/selinux/hooks.c:369 [inline] selinux_file_alloc_security+0xae/0x190 security/selinux/hooks.c:3454 security_file_alloc+0x6d/0xa0 security/security.c:873 get_empty_filp+0x189/0x4f0 fs/file_table.c:128 path_openat+0xed/0x3530 fs/namei.c:3495 do_filp_open+0x25b/0x3b0 fs/namei.c:3553 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007f8904c87bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f8904c886d4 RCX: 000000000040e161 RDX: 00007f8904c87be2 RSI: 0000000000000002 RDI: 00007f8904c87bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000014 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000003 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6186 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #347 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_trace+0x4b/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] proc_self_get_link+0x167/0x1c0 fs/proc/self.c:22 get_link fs/namei.c:1029 [inline] link_path_walk+0x1033/0x1470 fs/namei.c:2097 path_openat+0x2bc/0x3530 fs/namei.c:3518 do_filp_open+0x25b/0x3b0 fs/namei.c:3553 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007f8904c87bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f8904c886d4 RCX: 000000000040e161 RDX: 00007f8904c87be2 RSI: 0000000000000002 RDI: 00007f8904c87bd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000014 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000004 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6321 Comm: syz-executor7 Not tainted 4.16.0-rc4+ #347 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] netlink_alloc_large_skb net/netlink/af_netlink.c:1180 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc2782aac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2782ab6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 00000000200f4fc8 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000004c6 R14: 00000000006f7330 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6346 Comm: syz-executor6 Not tainted 4.16.0-rc4+ #347 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_trace+0x4b/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] alloc_pipe_info+0x159/0x4b0 fs/pipe.c:633 splice_direct_to_actor+0x64a/0x820 fs/splice.c:920 do_splice_direct+0x29b/0x3c0 fs/splice.c:1061 do_sendfile+0x5c9/0xe80 fs/read_write.c:1413 SYSC_sendfile64 fs/read_write.c:1468 [inline] SyS_sendfile64+0xbd/0x160 fs/read_write.c:1460 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f35b1de6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f35b1de76d4 RCX: 0000000000453e69 RDX: 0000000020301ff8 RSI: 0000000000000013 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000015 R13: 00000000000004b3 R14: 00000000006f7168 R15: 0000000000000000 CPU: 0 PID: 6344 Comm: syz-executor7 Not tainted 4.16.0-rc4+ #347 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] netlink_alloc_large_skb net/netlink/af_netlink.c:1180 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc2782aac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2782ab6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 00000000200f4fc8 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000004c6 R14: 00000000006f7330 R15: 0000000000000001 kauditd_printk_skb: 22 callbacks suppressed audit: type=1400 audit(1520638586.501:44): avc: denied { create } for pid=6418 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1400 audit(1520638587.261:45): avc: denied { setattr } for pid=6686 comm="syz-executor1" name="uid_map" dev="proc" ino=18185 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=file permissive=1 QAT: Invalid ioctl QAT: Invalid ioctl mmap: syz-executor7 (6873) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. audit: type=1400 audit(1520638588.034:46): avc: denied { write } for pid=6960 comm="syz-executor1" name="net" dev="proc" ino=19681 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 audit: type=1400 audit(1520638588.034:47): avc: denied { add_name } for pid=6960 comm="syz-executor1" name="pfkey" 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 audit: type=1400 audit(1520638588.034:48): avc: denied { create } for pid=6960 comm="syz-executor1" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:insmod_t:s0 tclass=file permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=33925 sclass=netlink_route_socket pig=7056 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=33925 sclass=netlink_route_socket pig=7056 comm=syz-executor7