====================================================== [ INFO: possible circular locking dependency detected ] 4.4.120-gd63fdf6 #29 Not tainted ------------------------------------------------------- syz-executor5/7050 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){+.+.+.}, at: [] shmem_file_llseek+0xf1/0x240 mm/shmem.c:1816 but task is already holding lock: (ashmem_mutex){+.+.+.}, at: [] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:330 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: [] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592 [] __mutex_lock_common kernel/locking/mutex.c:521 [inline] [] mutex_lock_nested+0xbb/0x850 kernel/locking/mutex.c:621 [] ashmem_mmap+0x53/0x400 drivers/staging/android/ashmem.c:366 [] mmap_region+0x94f/0x1250 mm/mmap.c:1664 [] do_mmap+0x4fd/0x9d0 mm/mmap.c:1441 [] do_mmap_pgoff include/linux/mm.h:1915 [inline] [] vm_mmap_pgoff+0x16e/0x1c0 mm/util.c:296 [] SYSC_mmap_pgoff mm/mmap.c:1491 [inline] [] SyS_mmap_pgoff+0x33f/0x560 mm/mmap.c:1449 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 [] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592 [] __might_fault+0x14a/0x1d0 mm/memory.c:3810 [] copy_to_user arch/x86/include/asm/uaccess.h:760 [inline] [] filldir+0x162/0x2d0 fs/readdir.c:180 [] dir_emit_dot include/linux/fs.h:3070 [inline] [] dir_emit_dots include/linux/fs.h:3081 [inline] [] dcache_readdir+0x11e/0x7b0 fs/libfs.c:150 [] iterate_dir+0x1c8/0x420 fs/readdir.c:42 [] SYSC_getdents fs/readdir.c:215 [inline] [] SyS_getdents+0x14a/0x270 fs/readdir.c:196 [] entry_SYSCALL_64_fastpath+0x1c/0x98 [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x371f/0x4b50 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592 [] __mutex_lock_common kernel/locking/mutex.c:521 [inline] [] mutex_lock_nested+0xbb/0x850 kernel/locking/mutex.c:621 [] shmem_file_llseek+0xf1/0x240 mm/shmem.c:1816 [] vfs_llseek+0xa2/0xd0 fs/read_write.c:260 [] ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:342 [] vfs_llseek fs/read_write.c:260 [inline] [] SYSC_lseek fs/read_write.c:285 [inline] [] SyS_lseek fs/read_write.c:276 [inline] [] C_SYSC_lseek fs/read_write.c:297 [inline] [] compat_SyS_lseek+0xeb/0x170 fs/read_write.c:295 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 other info that might help us debug this: Chain exists of: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 1 lock held by syz-executor5/7050: #0: (ashmem_mutex){+.+.+.}, at: [] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:330 stack backtrace: CPU: 1 PID: 7050 Comm: syz-executor5 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 63fa5c589185f620 ffff8801d45dfa58 ffffffff81d0408d ffffffff851a0010 ffffffff851a9d00 ffffffff851be7c0 ffff8801d40988f8 ffff8801d4098000 ffff8801d45dfaa0 ffffffff81233ba1 ffff8801d40988f8 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_circular_bug+0x271/0x310 kernel/locking/lockdep.c:1226 [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x371f/0x4b50 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592 [] __mutex_lock_common kernel/locking/mutex.c:521 [inline] [] mutex_lock_nested+0xbb/0x850 kernel/locking/mutex.c:621 [] shmem_file_llseek+0xf1/0x240 mm/shmem.c:1816 [] vfs_llseek+0xa2/0xd0 fs/read_write.c:260 [] ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:342 [] vfs_llseek fs/read_write.c:260 [inline] [] SYSC_lseek fs/read_write.c:285 [inline] [] SyS_lseek fs/read_write.c:276 [inline] [] C_SYSC_lseek fs/read_write.c:297 [inline] [] compat_SyS_lseek+0xeb/0x170 fs/read_write.c:295 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 audit: type=1400 audit(1521758979.478:20): avc: denied { ioctl } for pid=7115 comm="syz-executor6" path="socket:[16476]" dev="sockfs" ino=16476 ioctlcmd=4508 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 audit: type=1400 audit(1521758979.728:21): avc: denied { create } for pid=7195 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=key permissive=1 IPv4: Oversized IP packet from 127.0.0.1 audit: type=1400 audit(1521758980.008:22): avc: denied { create } for pid=7279 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758980.048:23): avc: denied { setattr } for pid=7279 comm="syz-executor1" name="NETLINK" dev="sockfs" ino=16638 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 rfkill: input handler disabled rfkill: input handler enabled rfkill: input handler disabled rfkill: input handler enabled audit: type=1400 audit(1521758980.098:24): avc: denied { ioctl } for pid=7279 comm="syz-executor1" path="socket:[16638]" dev="sockfs" ino=16638 ioctlcmd=8933 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758980.138:25): avc: denied { create } for pid=7279 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 binder: 7355:7357 ioctl c018620b 20000080 returned -14 binder: 7355:7357 ioctl c018620b 20000040 returned -14 audit: type=1400 audit(1521758980.328:26): avc: denied { create } for pid=7367 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 binder: 7355:7357 ioctl c018620b 20000080 returned -14 binder: 7355:7377 ioctl c018620b 20000040 returned -14 binder: 7452:7456 transaction failed 29201/-28, size 0-0 line 3128 binder: 7452:7456 ioctl 40046205 8 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 7452:7456 ioctl 40046207 0 returned -16 binder_alloc: 7452: binder_alloc_buf, no vma binder: 7452:7473 transaction failed 29189/-3, size 0-0 line 3128 binder: 7452:7473 ioctl 40046205 8 returned -22 sg_write: data in/out 67174367/148 bytes for SCSI command 0xe0-- guessing data in; program syz-executor7 not setting count and/or reply_len properly binder: BINDER_SET_CONTEXT_MGR already set binder: 7637:7644 ioctl 40046207 0 returned -16 audit_printk_skb: 24 callbacks suppressed audit: type=1400 audit(1521758982.048:35): avc: denied { create } for pid=7738 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758982.118:36): avc: denied { write } for pid=7738 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758982.118:37): avc: denied { setopt } for pid=7738 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 binder: 7786:7804 got reply transaction with no transaction stack binder: 7786:7804 transaction failed 29201/-71, size 0-0 line 2921 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. vmalloc: allocation failure: 0 bytes IPVS: Creating netns size=2552 id=9 syz-executor1: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 8036 Comm: syz-executor1 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 36238a6b1fbec18d ffff8801d299f898 ffffffff81d0408d 1ffff1003a533f16[ 57.064720] pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) IPVS: Creating netns size=2552 id=10 ffff8800b5004800 00000000024000c2 0000000000000000 0000000000000001 ffff8801d299f9a8 ffffffff81431059 ffffffff838ac620 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] sel_write_load+0x130/0xff0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x103/0x450 fs/read_write.c:489 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_pwrite64 fs/read_write.c:627 [inline] [] SyS_pwrite64+0x13f/0x170 fs/read_write.c:614 [] sys32_pwrite+0x39/0x50 arch/x86/ia32/sys_ia32.c:186 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Mem-Info: active_anon:52414 inactive_anon:45 isolated_anon:0 active_file:3708 inactive_file:8296 isolated_file:0 unevictable:2 dirty:115 writeback:0 unstable:0 slab_reclaimable:6112 slab_unreclaimable:59342 mapped:23826 shmem:51 pagetables:631 bounce:0 free:1474755 free_pcp:541 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2666232kB min:30608kB low:38260kB high:45912kB active_anon:96544kB inactive_anon:112kB active_file:6464kB inactive_file:19224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982732kB mlocked:0kB dirty:188kB writeback:0kB mapped:51044kB shmem:120kB slab_reclaimable:11564kB slab_unreclaimable:107020kB kernel_stack:3296kB pagetables:1404kB unstable:0kB bounce:0kB free_pcp:1280kB local_pcp:612kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3217292kB min:36808kB low:46008kB high:55212kB active_anon:113052kB inactive_anon:68kB active_file:8380kB inactive_file:13960kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:276kB writeback:0kB mapped:44216kB shmem:84kB slab_reclaimable:12884kB slab_unreclaimable:130364kB kernel_stack:2816kB pagetables:1076kB unstable:0kB bounce:0kB free_pcp:1004kB local_pcp:532kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15904kB DMA32: 391*4kB (UME) 182*8kB (UM) 141*16kB (UME) 131*32kB (UME) 78*64kB (UM) 21*128kB (UM) 15*256kB (UME) 11*512kB (UM) 40*1024kB (UM) 5*2048kB (M) 632*4096kB (M) = 2666492kB Normal: 229*4kB (UME) 163*8kB (UME) 147*16kB (UME) 117*32kB (UME) 95*64kB (UME) 25*128kB (UM) 11*256kB (M) 26*512kB (M) 49*1024kB (UME) 4*2048kB (ME) 763*4096kB (M) = 3217340kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12059 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320145 pages reserved vmalloc: allocation failure: 0 bytes syz-executor1: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 8047 Comm: syz-executor1 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 cd69b043e4a7d9a1 ffff8801d6f7f898 ffffffff81d0408d 1ffff1003adeff16 ffff8801d233e000 00000000024000c2 0000000000000000 0000000000000001 ffff8801d6f7f9a8 ffffffff81431059 ffffffff838ac620 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] sel_write_load+0x130/0xff0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x103/0x450 fs/read_write.c:489 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_pwrite64 fs/read_write.c:627 [inline] [] SyS_pwrite64+0x13f/0x170 fs/read_write.c:614 [] sys32_pwrite+0x39/0x50 arch/x86/ia32/sys_ia32.c:186 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Mem-Info: active_anon:52378 inactive_anon:45 isolated_anon:0 active_file:3711 inactive_file:8296 isolated_file:0 unevictable:0 dirty:118 writeback:0 unstable:0 slab_reclaimable:6114 slab_unreclaimable:59180 mapped:23815 shmem:51 pagetables:607 bounce:0 free:1475081 free_pcp:577 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2666776kB min:30608kB low:38260kB high:45912kB active_anon:96460kB inactive_anon:112kB active_file:6464kB inactive_file:19224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982732kB mlocked:0kB dirty:188kB writeback:0kB mapped:51044kB shmem:120kB slab_reclaimable:11564kB slab_unreclaimable:106748kB kernel_stack:3168kB pagetables:1352kB unstable:0kB bounce:0kB free_pcp:1296kB local_pcp:612kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3217628kB min:36808kB low:46008kB high:55212kB active_anon:113052kB inactive_anon:68kB active_file:8380kB inactive_file:13960kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:300kB writeback:0kB mapped:44216kB shmem:84kB slab_reclaimable:12896kB slab_unreclaimable:129988kB kernel_stack:2784kB pagetables:1076kB unstable:0kB bounce:0kB free_pcp:1000kB local_pcp:532kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15904kB DMA32: 406*4kB (UME) 184*8kB (UM) 142*16kB (UME) 135*32kB (UME) 79*64kB (UM) 21*128kB (UM) 15*256kB (UME) 11*512kB (UM) 40*1024kB (UM) 5*2048kB (M) 632*4096kB (M) = 2666776kB Normal: 229*4kB (UME) 163*8kB (UME) 147*16kB (UME) 129*32kB (UME) 95*64kB (UME) 25*128kB (UM) 11*256kB (M) 26*512kB (M) 49*1024kB (UME) 4*2048kB (ME) 763*4096kB (M) = 3217724kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12065 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320145 pages reserved binder: 8053:8056 ioctl c0306201 2000a000 returned -14 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. binder: 8060:8062 ioctl 40046205 3 returned -22 binder: 8053:8056 ioctl c0306201 2000a000 returned -14 binder: 8060:8062 ioctl 40046205 3 returned -22 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521758985.238:38): avc: denied { create } for pid=8104 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_generic_socket permissive=1 audit: type=1400 audit(1521758985.238:39): avc: denied { write } for pid=8104 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_generic_socket permissive=1 audit: type=1400 audit(1521758985.258:40): avc: denied { read } for pid=8104 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_generic_socket permissive=1 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521758986.008:41): avc: denied { create } for pid=8203 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521758986.088:42): avc: denied { create } for pid=8203 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758986.288:43): avc: denied { set_context_mgr } for pid=8245 comm="syz-executor1" 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: 8245:8246 BC_INCREFS_DONE u1c24000000000001 no match binder: 8245:8246 unknown command 1819811011 binder: 8245:8246 ioctl c0306201 20a94fd0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 8245:8246 ioctl 40046207 0 returned -16 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket audit: type=1400 audit(1521758987.228:44): avc: denied { create } for pid=8411 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket audit: type=1400 audit(1521758987.268:45): avc: denied { create } for pid=8411 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521758987.318:46): avc: denied { write } for pid=8411 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1