====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc3+ #131 Not tainted ------------------------------------------------------ syz-executor6/14016 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<000000000c73ff32>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<000000000c73ff32>] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_lock fs/pipe.c:75 [inline] (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_wait+0x1e6/0x280 fs/pipe.c:123 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&pipe->mutex/1){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __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 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 -> #5 (sb_writers){.+.+}: fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3592 slab_pre_alloc_hook mm/slab.h:416 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc_trace+0x2d/0x750 mm/slab.c:3611 kmalloc include/linux/slab.h:499 [inline] inotify_handle_event+0x233/0x480 fs/notify/inotify/inotify_fsnotify.c:101 inotify_ignored_and_remove_idr+0x32/0x80 fs/notify/inotify/inotify_user.c:476 inotify_freeing_mark+0x1d/0x30 fs/notify/inotify/inotify_fsnotify.c:127 -> #4 ((completion)&req.done){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 complete_acquire include/linux/completion.h:40 [inline] __wait_for_common kernel/sched/completion.c:109 [inline] wait_for_common kernel/sched/completion.c:123 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115 device_add+0x120f/0x1640 drivers/base/core.c:1824 device_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430 device_create_vargs drivers/base/core.c:2470 [inline] device_create+0xda/0x110 drivers/base/core.c:2506 msr_device_create+0x26/0x40 arch/x86/kernel/msr.c:188 cpuhp_invoke_callback+0x2ea/0x1d20 kernel/cpu.c:182 cpuhp_thread_fun+0x48e/0x7e0 kernel/cpu.c:571 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 -> #3 (cpuhp_state-up){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 cpuhp_lock_acquire kernel/cpu.c:85 [inline] cpuhp_invoke_ap_callback kernel/cpu.c:605 [inline] cpuhp_issue_call+0x1e5/0x520 kernel/cpu.c:1495 __cpuhp_setup_state_cpuslocked+0x282/0x600 kernel/cpu.c:1642 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671 cpuhp_setup_state include/linux/cpuhotplug.h:201 [inline] page_writeback_init+0x4d/0x71 mm/page-writeback.c:2081 pagecache_init+0x48/0x4f mm/filemap.c:977 start_kernel+0x6bc/0x74f init/main.c:695 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237 -> #2 (cpuhp_state_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __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 __cpuhp_setup_state_cpuslocked+0x5b/0x600 kernel/cpu.c:1617 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671 cpuhp_setup_state_nocalls include/linux/cpuhotplug.h:229 [inline] kvm_guest_init+0x1f3/0x20f arch/x86/kernel/kvm.c:528 setup_arch+0x17e8/0x1a02 arch/x86/kernel/setup.c:1266 start_kernel+0xa5/0x74f init/main.c:530 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237 -> #1 (cpu_hotplug_lock.rw_sem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cpus_read_lock+0x42/0x90 kernel/cpu.c:293 get_online_cpus include/linux/cpu.h:117 [inline] lru_add_drain_all+0xe/0x20 mm/swap.c:729 shmem_wait_for_pins mm/shmem.c:2672 [inline] shmem_add_seals+0x3df/0x1060 mm/shmem.c:2780 shmem_fcntl+0xfe/0x130 mm/shmem.c:2815 do_fcntl+0x73e/0x1160 fs/fcntl.c:421 C_SYSC_fcntl64 fs/fcntl.c:667 [inline] compat_SyS_fcntl64+0x3bb/0x450 fs/fcntl.c:610 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 -> #0 (&sb->s_type->i_mutex_key#10){++++}: check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:653 do_iter_write+0x15a/0x540 fs/read_write.c:932 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x7db/0xf30 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#10 --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 2 locks held by syz-executor6/14016: #0: (sb_writers#6){.+.+}, at: [<0000000065f8f65c>] file_start_write include/linux/fs.h:2715 [inline] #0: (sb_writers#6){.+.+}, at: [<0000000065f8f65c>] do_splice fs/splice.c:1146 [inline] #0: (sb_writers#6){.+.+}, at: [<0000000065f8f65c>] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers#6){.+.+}, at: [<0000000065f8f65c>] SyS_splice+0x1117/0x1630 fs/splice.c:1382 #1: (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_lock_nested fs/pipe.c:67 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_lock fs/pipe.c:75 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<000000004c2252f0>] pipe_wait+0x1e6/0x280 fs/pipe.c:123 stack backtrace: CPU: 0 PID: 14016 Comm: syz-executor6 Not tainted 4.15.0-rc3+ #131 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+0x194/0x257 lib/dump_stack.c:53 print_circular_bug+0x42d/0x610 kernel/locking/lockdep.c:1271 check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914 check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:653 do_iter_write+0x15a/0x540 fs/read_write.c:932 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x7db/0xf30 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f6dc79 RSP: 002b:00000000f776908c EFLAGS: 00000296 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000000000 RDX: 0000000000000014 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 device gre0 entered promiscuous mode nla_parse: 10 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. device gre0 entered promiscuous mode syz-executor1: vmalloc: allocation failure: 6806943192 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor1 cpuset=/ mems_allowed=0 CPU: 1 PID: 14142 Comm: syz-executor1 Not tainted 4.15.0-rc3+ #131 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3288 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:927 sctp_setsockopt+0x2a0/0x5d50 net/sctp/socket.c:4056 compat_sock_common_setsockopt+0x104/0x140 net/core/sock.c:2981 C_SYSC_setsockopt net/compat.c:403 [inline] compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fa3c79 RSP: 002b:00000000f775d08c EFLAGS: 00000296 ORIG_RAX: 000000000000016e RAX: ffffffffffffffda RBX: 0000000000000018 RCX: 0000000000000029 RDX: 0000000000000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:113673 inactive_anon:42 isolated_anon:0 active_file:3720 inactive_file:7404 isolated_file:0 unevictable:0 dirty:120 writeback:0 unstable:0 slab_reclaimable:8964 slab_unreclaimable:93018 mapped:22997 shmem:54 pagetables:872 bounce:0 free:1378353 free_pcp:376 free_cma:0 Node 0 active_anon:454692kB inactive_anon:168kB active_file:14880kB inactive_file:29616kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91988kB dirty:480kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 51200kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2882 6395 6395 Node 0 DMA32 free:2953180kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953948kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:768kB local_pcp:668kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2544324kB min:37032kB low:46288kB high:55544kB active_anon:454692kB inactive_anon:168kB active_file:14880kB inactive_file:29616kB unevictable:0kB writepending:480kB present:4718592kB managed:3597640kB mlocked:0kB kernel_stack:4736kB pagetables:3488kB bounce:0kB free_pcp:736kB local_pcp:496kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 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) = 15908kB Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (UM) 3*128kB (M) 5*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 718*4096kB (M) = 2953180kB Node 0 Normal: 155*4kB (UME) 65*8kB (UME) 393*16kB (UE) 718*32kB (UME) 1000*64kB (UM) 266*128kB (UM) 37*256kB (UM) 6*512kB (UME) 9*1024kB (UM) 3*2048kB (U) 583*4096kB (UM) = 2544324kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11202 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 324105 pages reserved QAT: Invalid ioctl syz-executor1: vmalloc: allocation failure: 6806943192 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor1 cpuset=/ mems_allowed=0 CPU: 0 PID: 14177 Comm: syz-executor1 Not tainted 4.15.0-rc3+ #131 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3288 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:927 sctp_setsockopt+0x2a0/0x5d50 net/sctp/socket.c:4056 compat_sock_common_setsockopt+0x104/0x140 net/core/sock.c:2981 C_SYSC_setsockopt net/compat.c:403 [inline] compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fa3c79 RSP: 002b:00000000f76fa08c EFLAGS: 00000296 ORIG_RAX: 000000000000016e RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000000029 RDX: 0000000000000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 QAT: Invalid ioctl binder: 14213:14216 got transaction with too large buffer binder: 14214:14217 IncRefs 0 refcount change on invalid ref 2 ret -22 binder: 14214:14217 got reply transaction with no transaction stack binder: 14214:14217 transaction failed 29201/-71, size 48-56 line 2690 binder: 14214:14217 ioctl 40044591 2051fffc returned -22 binder: 14214:14217 Release 1 refcount change on invalid ref 1 ret -22 binder: 14214:14217 BC_FREE_BUFFER u0000000000000000 no match binder: 14217 RLIMIT_NICE not set binder: 14217 RLIMIT_NICE not set binder: 14214:14217 got transaction to invalid handle binder: 14214:14217 transaction failed 29201/-22, size 40-56 line 2775 binder: 14214:14232 IncRefs 0 refcount change on invalid ref 2 ret -22 binder: 14214:14232 got reply transaction with no transaction stack binder: 14214:14232 transaction failed 29201/-71, size 48-56 line 2690 binder: 14214:14217 ioctl 40044591 2051fffc returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 14214:14217 ioctl 40046207 0 returned -16 binder: 14214:14232 Release 1 refcount change on invalid ref 1 ret -22 binder: 14214:14232 BC_FREE_BUFFER u0000000000000000 no match binder: 14232 RLIMIT_NICE not set binder_alloc: 14214: binder_alloc_buf, no vma binder: 14214:14217 transaction failed 29189/-3, size 0-0 line 2890 binder: BINDER_SET_CONTEXT_MGR already set binder: 14213:14230 ioctl 40046207 0 returned -16 binder_alloc: 14213: binder_alloc_buf, no vma binder: 14213:14230 transaction failed 29189/-3, size 80-16 line 2890 binder: 14214:14217 got transaction to invalid handle binder: 14214:14217 transaction failed 29201/-22, size 40-56 line 2775 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 14214:14217 transaction 116 in, still active binder: send failed reply for transaction 116 to 14214:14232 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: 14213:14216 transaction failed 29201/-22, size 80-16 line 3049 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. QAT: Invalid ioctl binder: BINDER_SET_CONTEXT_MGR already set binder: 14426:14440 ioctl 40046207 0 returned -16 QAT: Invalid ioctl device syz5 entered promiscuous mode sg_write: data in/out 65500/12821 bytes for SCSI command 0x0-- guessing data in; program syz-executor2 not setting count and/or reply_len properly audit: type=1400 audit(1513319798.023:904): avc: denied { map } for pid=14660 comm="syz-executor6" path="/dev/input/mice" dev="devtmpfs" ino=91 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:mouse_device_t:s0 tclass=chr_file permissive=1 sg_write: data in/out 65500/13008 bytes for SCSI command 0x0-- guessing data in; program syz-executor2 not setting count and/or reply_len properly binder: 14704:14713 ioctl c0306201 20013fd0 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 14704:14722 ioctl c0306201 20013fd0 returned -14 binder: 14704:14717 ioctl 40046207 0 returned -16 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: Can't replace route, no match found IPv6: Can't replace route, no match found device gre0 entered promiscuous mode RDS: rds_bind could not find a transport for 172.20.1.170, load rds_tcp or rds_rdma? netlink: 'syz-executor5': attribute type 10 has an invalid length. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. netlink: 'syz-executor5': attribute type 10 has an invalid length. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. device gre0 entered promiscuous mode kvm [15088]: vcpu8, guest rIP: 0xfff0 ignored wrmsr: 0x11e data 0x0 sg_write: data in/out 629699/84 bytes for SCSI command 0x10-- guessing data in; program syz-executor0 not setting count and/or reply_len properly sg_write: data in/out 686705/84 bytes for SCSI command 0x10-- guessing data in; program syz-executor0 not setting count and/or reply_len properly kvm [15088]: vcpu8, guest rIP: 0xfff0 ignored wrmsr: 0x11e data 0x0 nla_parse: 6 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. binder: 15320:15324 BC_REQUEST_DEATH_NOTIFICATION invalid ref 2 binder: 15320:15324 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 15320:15324 Release 1 refcount change on invalid ref 0 ret -22 binder: 15320:15324 DecRefs 0 refcount change on invalid ref 3 ret -22 binder: 15320:15324 BC_REQUEST_DEATH_NOTIFICATION invalid ref 4 binder: 15320:15324 BC_REQUEST_DEATH_NOTIFICATION invalid ref 4 binder: 15324 RLIMIT_NICE not set binder: BINDER_SET_CONTEXT_MGR already set binder: 15320:15355 ioctl 40046207 0 returned -16 sg_write: data in/out 65500/12821 bytes for SCSI command 0x0-- guessing data in; program syz-executor4 not setting count and/or reply_len properly sg_write: data in/out 65500/12821 bytes for SCSI command 0x0-- guessing data in; program syz-executor4 not setting count and/or reply_len properly QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable QAT: Invalid ioctl QAT: Invalid ioctl netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. QAT: Invalid ioctl futex_wake_op: syz-executor5 tries to shift op by -65; fix this program futex_wake_op: syz-executor5 tries to shift op by -65; fix this program netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=15536 comm=syz-executor7 device gre0 entered promiscuous mode audit: type=1400 audit(1513319801.296:905): avc: denied { map } for pid=15547 comm="syz-executor1" path="/dev/usbmon0" dev="devtmpfs" ino=89 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=15542 comm=syz-executor7 audit: type=1400 audit(1513319801.296:906): avc: denied { map } for pid=15547 comm="syz-executor1" path="socket:[49466]" dev="sockfs" ino=49466 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_route_socket permissive=1 netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. binder: 15629:15630 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 15629:15630 BC_INCREFS_DONE u000000002011a000 no match binder: 15629:15630 got transaction with invalid parent offset or type QAT: Device 0 not found binder: 15629:15649 got transaction with unaligned buffers size, 58534 binder: 15629:15649 transaction failed 29201/-22, size 0-40 line 2935 binder: 15629:15630 transaction failed 29201/-22, size 32-24 line 3013 IPv6: Can't replace route, no match found binder_alloc: binder_alloc_mmap_handler: 15629 2011a000-2051a000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 15629:15630 ioctl 40046207 0 returned -16 binder: 15629:15663 unknown command 0 binder: 15629:15663 ioctl c0306201 20004000 returned -22 IPv6: Can't replace route, no match found binder_alloc: 15629: binder_alloc_buf, no vma binder: 15629:15649 transaction failed 29189/-3, size 0-40 line 2890 binder: undelivered TRANSACTION_ERROR: 29201 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15656 comm=syz-executor2 device gre0 entered promiscuous mode audit: type=1326 audit(1513319801.969:907): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15692 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=40000003 syscall=240 compat=1 ip=0xf7f72c79 code=0x0 audit: type=1326 audit(1513319802.119:908): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15692 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=40000003 syscall=240 compat=1 ip=0xf7f72c79 code=0x0 Buffer I/O error on dev loop6, logical block 0, async page read RDS: rds_bind could not find a transport for 172.20.1.170, load rds_tcp or rds_rdma? binder: 15791:15794 ioctl c0306201 20000fd0 returned -14 binder: 15791:15808 got reply transaction with no transaction stack RDS: rds_bind could not find a transport for 172.20.1.170, load rds_tcp or rds_rdma? binder: 15791:15808 transaction failed 29201/-71, size 0-8 line 2690 Bearer <> rejected, not supported in standalone mode binder: 15791:15838 got reply transaction with no transaction stack binder: 15791:15838 transaction failed 29201/-71, size 0-8 line 2690 binder: 15850:15857 ioctl c0306201 20013fd0 returned -14 binder: 15850:15857 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 15850:15877 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 15850:15857 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 15850:15877 ioctl c0306201 20013fd0 returned -14 binder: 15850:15883 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 15850:15857 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 15850:15883 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 audit: type=1400 audit(1513319803.177:909): avc: denied { sys_ptrace } for pid=15893 comm="ps" capability=19 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 audit: type=1400 audit(1513319803.623:910): avc: denied { dac_read_search } for pid=15998 comm="syz-executor0" capability=2 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=cap_userns permissive=1