====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc2+ #213 Not tainted ------------------------------------------------------ syz-executor0/9113 is trying to acquire lock: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000050e5d366>] get_online_cpus include/linux/cpu.h:117 [inline] (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000050e5d366>] lru_add_drain_all+0xe/0x20 mm/swap.c:729 but task is already holding lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000d331b464>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000d331b464>] shmem_add_seals+0x197/0x1060 mm/shmem.c:2768 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&sb->s_type->i_mutex_key#10){++++}: 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 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #5 (&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 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #4 (sb_writers){.+.+}: spin_lock_irq include/linux/spinlock.h:340 [inline] clear_inode+0xa3/0x360 fs/inode.c:506 shmem_evict_inode+0x23f/0xb30 mm/shmem.c:1086 evict+0x481/0x920 fs/inode.c:553 iput_final fs/inode.c:1515 [inline] iput+0x7b9/0xaf0 fs/inode.c:1542 dentry_unlink_inode+0x4b0/0x5e0 fs/dcache.c:375 -> #3 ((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 -> #2 (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:690 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 (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 -> #0 (cpu_hotplug_lock.rw_sem){++++}: 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 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 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xdc/0x120 fs/fcntl.c:448 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: cpu_hotplug_lock.rw_sem --> &pipe->mutex/1 --> &sb->s_type->i_mutex_key#10 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sb->s_type->i_mutex_key#10); lock(&pipe->mutex/1); lock(&sb->s_type->i_mutex_key#10); lock(cpu_hotplug_lock.rw_sem); *** DEADLOCK *** 1 lock held by syz-executor0/9113: #0: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000d331b464>] inode_lock include/linux/fs.h:713 [inline] #0: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000d331b464>] shmem_add_seals+0x197/0x1060 mm/shmem.c:2768 stack backtrace: CPU: 1 PID: 9113 Comm: syz-executor0 Not tainted 4.15.0-rc2+ #213 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 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 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xdc/0x120 fs/fcntl.c:448 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007fba42c32c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 000000000000000c RSI: 0000000000000409 RDI: 0000000000000015 RBP: 0000000000000249 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1778 R13: 00000000ffffffff R14: 00007fba42c336d4 R15: 0000000000000000 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 9139 Comm: syz-executor2 Not tainted 4.15.0-rc2+ #213 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 handle_userfault+0x12fa/0x24c0 fs/userfaultfd.c:427 do_anonymous_page mm/memory.c:3121 [inline] handle_pte_fault mm/memory.c:3934 [inline] __handle_mm_fault+0x353a/0x3e20 mm/memory.c:4060 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1094 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:609 [inline] RIP: 0010:iov_iter_fault_in_readable+0x373/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801ccf2f928 EFLAGS: 00010216 RAX: 0000000000000000 RBX: 0000000000000fd3 RCX: ffffffff8250b656 RDX: 0000000000000167 RSI: 0000000020012001 RDI: ffff8801ccf2fd28 RBP: ffff8801ccf2fa08 R08: 1ffff10037a208aa R09: 1ffff100399e5f1a R10: ffff8801cc072340 R11: 0000000000000000 R12: 1ffff100399e5f28 R13: ffff8801ccf2f9e0 R14: 0000000000000000 R15: ffff8801ccf2fd20 generic_perform_write+0x200/0x600 mm/filemap.c:3129 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3264 generic_file_write_iter+0x399/0x7a0 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1772 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:482 vfs_write+0x18f/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f4b80476c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000030 RSI: 0000000020011fd2 RDI: 0000000000000014 RBP: 0000000000000314 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2a80 R13: 00000000ffffffff R14: 00007f4b804776d4 R15: 0000000000000000 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 9146 Comm: syz-executor2 Not tainted 4.15.0-rc2+ #213 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 handle_userfault+0x12fa/0x24c0 fs/userfaultfd.c:427 do_anonymous_page mm/memory.c:3121 [inline] handle_pte_fault mm/memory.c:3934 [inline] __handle_mm_fault+0x353a/0x3e20 mm/memory.c:4060 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1094 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:609 [inline] RIP: 0010:iov_iter_fault_in_readable+0x373/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801d2a2f928 EFLAGS: 00010212 RAX: 0000000000000000 RBX: 0000000000000fd3 RCX: ffffffff8250b656 RDX: 0000000000000165 RSI: 0000000020012001 RDI: ffff8801d2a2fd28 RBP: ffff8801d2a2fa08 R08: 0000000000000001 R09: 1ffff1003a545edf R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003a545f28 R13: ffff8801d2a2f9e0 R14: 0000000000000000 R15: ffff8801d2a2fd20 generic_perform_write+0x200/0x600 mm/filemap.c:3129 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3264 generic_file_write_iter+0x399/0x7a0 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1772 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:482 vfs_write+0x18f/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f4b80455c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452a39 RDX: 0000000000000030 RSI: 0000000020011fd2 RDI: 0000000000000016 RBP: 00000000000003f3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3f68 R13: 00000000ffffffff R14: 00007f4b804566d4 R15: 0000000000000012 audit: type=1400 audit(1512794555.224:956): avc: denied { write } for pid=9196 comm="syz-executor1" path="socket:[30004]" dev="sockfs" ino=30004 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 netlink: 12 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. QAT: Invalid ioctl QAT: Invalid ioctl print_req_error: I/O error, dev loop2, sector 0 Buffer I/O error on dev loop2, logical block 0, lost async page write QAT: Invalid ioctl QAT: Invalid ioctl print_req_error: I/O error, dev loop2, sector 8 Buffer I/O error on dev loop2, logical block 1, lost async page write rfkill: input handler disabled rfkill: input handler enabled audit: type=1400 audit(1512794557.125:957): avc: denied { getattr } for pid=9450 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 sg_write: data in/out 327644/118 bytes for SCSI command 0xec-- guessing data in; program syz-executor1 not setting count and/or reply_len properly dccp_invalid_packet: pskb_may_pull failed sg_write: data in/out 327644/118 bytes for SCSI command 0xec-- guessing data in; program syz-executor1 not setting count and/or reply_len properly dccp_invalid_packet: pskb_may_pull failed binder: 9573:9594 DecRefs 0 refcount change on invalid ref 2 ret -22 device gre0 entered promiscuous mode device lo entered promiscuous mode binder: 9573:9620 DecRefs 0 refcount change on invalid ref 2 ret -22 Started in network mode Own node address <128.1656.2950>, network identity 4711 xprt_adjust_timeout: rq_timeout = 0! binder: 9700:9703 ioctl 40046205 1 returned -22 xprt_adjust_timeout: rq_timeout = 0! binder_alloc: 9700: binder_alloc_buf, no vma binder: 9700:9703 transaction failed 29189/-3, size 64-48 line 2890 binder: BINDER_SET_CONTEXT_MGR already set binder: 9700:9714 ioctl 40046205 1 returned -22 binder_alloc: 9700: binder_alloc_buf, no vma binder: 9700:9714 transaction failed 29189/-3, size 64-48 line 2890 binder: 9700:9719 ioctl 40046207 0 returned -16 device lo left promiscuous mode device gre0 entered promiscuous mode nla_parse: 8 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. audit: type=1400 audit(1512794559.547:958): avc: denied { write } for pid=10049 comm="syz-executor7" path="socket:[33980]" dev="sockfs" ino=33980 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 QAT: Invalid ioctl audit: type=1400 audit(1512794559.605:959): avc: denied { create } for pid=10048 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_rdma_socket permissive=1 QAT: Invalid ioctl sctp: [Deprecated]: syz-executor1 (pid 10111) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor1 (pid 10125) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device syz6 entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor7'. binder: 10238:10243 got transaction to invalid handle binder: 10238:10243 transaction failed 29201/-22, size 48-8 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 10238:10243 ioctl 40046207 0 returned -16 binder: 10238:10243 got transaction with invalid offsets ptr binder: 10238:10243 transaction failed 29201/-14, size 0-22 line 2918 binder_alloc: binder_alloc_mmap_handler: 10238 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 10238 2055a000-2055c000 already mapped failed -16 binder: 10266:10268 ioctl 40046205 0 returned -22 kvm: vcpu 4: requested 68374 ns lapic timer period limited to 500000 ns SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=10276 comm=syz-executor7 binder_alloc: binder_alloc_mmap_handler: 10238 20000000-20002000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 10238 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 10238:10267 ioctl 40046207 0 returned -16 binder: 10238:10243 got transaction to invalid handle binder: 10238:10243 transaction failed 29201/-22, size 48-8 line 2775 binder_alloc: 10238: binder_alloc_buf, no vma binder: 10238:10267 transaction failed 29189/-3, size 0-0 line 2890 binder: BINDER_SET_CONTEXT_MGR already set binder: 10238:10243 ioctl 40046207 0 returned -16 binder: 10266:10285 unknown command 1400526783 binder: 10266:10285 ioctl c0306201 20002fd0 returned -22 binder_alloc: 10238: binder_alloc_buf, no vma binder: 10238:10243 transaction failed 29189/-3, size 0-29 line 2890 binder_alloc: binder_alloc_mmap_handler: 10238 20005000-20009000 already mapped failed -16 binder: 10266:10285 got reply transaction with bad transaction stack, transaction 64 has target 10266:0 binder: 10266:10285 transaction failed 29201/-71, size 24-8 line 2705 binder_alloc: binder_alloc_mmap_handler: 10238 2055a000-2055c000 already mapped failed -16 binder: 10266:10285 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 59 to 10238:10243 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 10266:10285 transaction 64 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=10276 comm=syz-executor7 device gre0 entered promiscuous mode binder: 10266:10272 ioctl 40046205 0 returned -22 binder: 10296:10299 got transaction to invalid handle binder: 10296:10299 transaction failed 29201/-22, size 48-8 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 10296:10299 ioctl 40046207 0 returned -16 binder: 10296:10299 got transaction with invalid offsets ptr binder: 10296:10299 transaction failed 29201/-14, size 0-22 line 2918 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: binder_alloc_mmap_handler: 10296 20005000-20009000 already mapped failed -16 binder: 10266:10272 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 10296 2055a000-2055c000 already mapped failed -16 binder_alloc: 10266: binder_alloc_buf, no vma binder: 10266:10285 transaction failed 29189/-3, size 0-0 line 2890 binder: 10266:10297 unknown command 0 binder: 10266:10297 ioctl c0306201 20002fd0 returned -22 binder: 10266:10297 got reply transaction with no transaction stack binder: 10266:10297 transaction failed 29201/-71, size 24-8 line 2690 binder_alloc: binder_alloc_mmap_handler: 10296 20000000-20002000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 10296 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 10296:10299 ioctl 40046207 0 returned -16 binder: 10296:10299 got transaction to invalid handle binder: 10296:10299 transaction failed 29201/-22, size 48-8 line 2775 binder: 10266:10297 ioctl c0306201 20005fd0 returned -14 binder_alloc: 10296: binder_alloc_buf, no vma binder: 10296:10302 transaction failed 29189/-3, size 0-0 line 2890 binder: BINDER_SET_CONTEXT_MGR already set binder: 10296:10299 ioctl 40046207 0 returned -16 binder_alloc: 10296: binder_alloc_buf, no vma binder: 10296:10299 transaction failed 29189/-3, size 0-29 line 2890 binder_alloc: binder_alloc_mmap_handler: 10296 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 10296 2055a000-2055c000 already mapped failed -16 dccp_v4_rcv: dropped packet with invalid checksum binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 69 to 10296:10299 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 dccp_invalid_packet: P.Data Offset(0) too small dccp_invalid_packet: P.Data Offset(0) too small dccp_v4_rcv: dropped packet with invalid checksum binder: send failed reply for transaction 64, target dead binder: undelivered TRANSACTION_ERROR: 29189 audit: type=1400 audit(1512794561.161:960): avc: denied { prog_load } for pid=10351 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=bpf permissive=1 sctp: [Deprecated]: syz-executor7 (pid 10390) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10473 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10473 comm=syz-executor7 audit: type=1400 audit(1512794562.007:961): avc: denied { map_create } for pid=10506 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 audit: type=1400 audit(1512794562.008:962): avc: denied { map_read map_write } for pid=10506 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app audit: type=1400 audit(1512794562.198:963): avc: denied { prog_run } for pid=10556 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=bpf permissive=1 audit: type=1400 audit(1512794562.199:964): avc: denied { read } for pid=10556 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app irq bypass consumer (token 00000000fcfca0b2) registration fails: -16 irq bypass consumer (token 000000002c88a6e3) registration fails: -16 device gre0 entered promiscuous mode ICMPv6: NA: bb:bb:bb:bb:bb:02 advertised our address fe80::2aa on syz2! ICMPv6: NA: bb:bb:bb:bb:bb:02 advertised our address fe80::2aa on syz2! audit: type=1326 audit(1512794563.400:965): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10812 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready audit: type=1326 audit(1512794563.557:966): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10812 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 sock: sock_set_timeout: `syz-executor4' (pid 10846) tries to set negative timeout nla_parse: 8 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. sock: sock_set_timeout: `syz-executor4' (pid 10869) tries to set negative timeout binder: 10882:10889 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 10882:10889 got reply transaction with no transaction stack binder: 10882:10889 transaction failed 29201/-71, size 0-16 line 2690 binder: 10882:10902 tried to acquire reference to desc 0, got 1 instead binder: 10882:10902 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 10882:10889 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 10882:10889 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 10882:10902 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 10901:10911 unknown command 0 binder: 10901:10911 ioctl c0306201 2000a000 returned -22 binder: 10901:10911 DecRefs 0 refcount change on invalid ref 2 ret -22 binder: 10901:10911 got transaction with too large buffer binder: 10901:10911 transaction failed 29201/-22, size 96-72 line 3049 binder: 10882:10889 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 10882:10889 Release 1 refcount change on invalid ref 0 ret -22 binder: 10882:10889 got reply transaction with no transaction stack binder: 10882:10889 transaction failed 29201/-71, size 0-16 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 10901:10918 ioctl 40046207 0 returned -16 binder: 10901:10911 unknown command 0