keychord: invalid keycode count 0 ===================================== [ BUG: bad unlock balance detected! ] 4.9.67-gf26d3c7 #106 Not tainted TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. ------------------------------------- syz-executor4/26463 is trying to release lock (mrt_lock[ 156.998853] FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26484 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a875f720 ffffffff81d906e9 ffff8801a875fa00 0000000000000000 ffff8801ca6b8d10 ffff8801a875f8f0 ffff8801ca6b8c00 ffff8801a875f918 ffffffff8165e307 ffff8801db3214a0 ffff8801a875f870 00000001c8216067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname fs/namei.c:208 [inline] [] user_path_parent fs/namei.c:2595 [inline] [] SYSC_renameat2 fs/namei.c:4580 [inline] [] SyS_renameat2 fs/namei.c:4544 [inline] [] SYSC_rename fs/namei.c:4695 [inline] [] SyS_rename+0x15f/0x7d0 fs/namei.c:4693 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26473 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a89b7830 ffffffff81d906e9 ffff8801a89b7b10 0000000000000000 ffff8801ca6b8d10 ffff8801a89b7a00 ffff8801ca6b8c00 ffff8801a89b7a28 ffffffff8165e307 000000000000733e ffff8801a89b7980 00000001c8216067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline] [] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26470 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c9347980 ffffffff81d906e9 ffff8801c9347c60 0000000000000000 ffff8801ca6b8d10 ffff8801c9347b50 ffff8801ca6b8c00 ffff8801c9347b78 ffffffff8165e307 000000000000733e ffff8801c9347ad0 00000001c8216067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26453 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a5e678c0 ffffffff81d906e9 ffff8801a5e67ba0 0000000000000000 ffff8801ca6b8d10 ffff8801a5e67a90 ffff8801ca6b8c00 ffff8801a5e67ab8 ffffffff8165e307 000000000000733e ffff8801a5e67a10 00000001c8216067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26440 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a5cef710 ffffffff81d906e9 ffff8801a5cef9f0 0000000000000000 ffff8801ca6b8d10 ffff8801a5cef8e0 ffff8801ca6b8c00 ffff8801a5cef908 ffffffff8165e307 000000000000733e ffff8801a5cef860 00000001c8216067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_select fs/select.c:652 [inline] [] SyS_select+0x158/0x1e0 fs/select.c:634 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26484 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a875f720 ffffffff81d906e9 ffff8801a875fa00 0000000000000000 ffff8801ca6b9610 ffff8801a875f8f0 ffff8801ca6b9500 ffff8801a875f918 ffffffff8165e307 ffff8801db3214a0 ffff8801a875f870 00000001c91fd067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname fs/namei.c:208 [inline] [] user_path_parent fs/namei.c:2595 [inline] [] SYSC_renameat2 fs/namei.c:4580 [inline] [] SyS_renameat2 fs/namei.c:4544 [inline] [] SYSC_rename fs/namei.c:4695 [inline] [] SyS_rename+0x15f/0x7d0 fs/namei.c:4693 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26473 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a89b7830 ffffffff81d906e9 ffff8801a89b7b10 0000000000000000 ffff8801ca6b9610 ffff8801a89b7a00 ffff8801ca6b9500 ffff8801a89b7a28 ffffffff8165e307 ffff8801db321400 ffff8801a89b7980 00000001c91fd067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline] [] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26470 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c9347980 ffffffff81d906e9 ffff8801c9347c60 0000000000000000 ffff8801ca6b9610 ffff8801c9347b50 ffff8801ca6b9500 ffff8801c9347b78 ffffffff8165e307 ffffffff811c46cb ffff8801c9347ad0 00000001c91fd067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 26440 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a5cef8c0 ffffffff81d906e9 ffff8801a5cefba0 0000000000000000 ffff8801ca6b9610 ffff8801a5cefa90 ffff8801ca6b9500 ffff8801a5cefab8 ffffffff8165e307 0000000000000000 ffff8801a5cefa10 00000001c91fd067Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ) at: but there are no more locks to release! other info that might help us debug this: 2 locks held by syz-executor4/26463: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0x9f/0xc0 fs/file.c:781 #1: (&p->lock){+.+.+.}, at: [] seq_read+0xdd/0x1290 fs/seq_file.c:178 stack backtrace: CPU: 0 PID: 26463 Comm: syz-executor4 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a62778e8 ffffffff81d906e9 ffffffff849ae8f8 ffff8801a32d0000 ffffffff834dec54 ffffffff849ae8f8 ffff8801a32d0888 ffff8801a6277918 ffffffff812353f4 dffffc0000000000 ffffffff849ae8f8 00000000ffffffff Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_unlock_imbalance_bug+0x174/0x1a0 kernel/locking/lockdep.c:3398 [] __lock_release kernel/locking/lockdep.c:3540 [inline] [] lock_release+0x6f8/0xb80 kernel/locking/lockdep.c:3775 [] __raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline] [] _raw_read_unlock+0x1a/0x50 kernel/locking/spinlock.c:255 [] ipmr_mfc_seq_stop+0xe4/0x140 net/ipv6/ip6mr.c:553 [] seq_read+0xa83/0x1290 fs/seq_file.c:283 [] proc_reg_read+0xef/0x170 fs/proc/inode.c:202 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 26572:26576 ioctl 40046205 0 returned -22 binder: 26572:26576 ERROR: BC_REGISTER_LOOPER called without request binder: 26572:26576 got transaction to invalid handle binder: 26572:26576 transaction failed 29201/-22, size 0-8 line 3007 binder: 26572:26576 ioctl c0306201 20005fd0 returned -14 binder: release 26572:26576 transaction 386 in, still active binder: send failed reply for transaction 386 to 26572:26588 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: 26572:26588 ioctl 40046205 0 returned -22 binder: 26572:26588 ERROR: BC_REGISTER_LOOPER called without request binder: 26616:26617 ioctl c018620b 20009fe8 returned -14 binder: 26616:26617 ERROR: BC_REGISTER_LOOPER called without request binder: 26572:26588 ioctl c0306201 20008fd0 returned -11 binder: 26572:26588 unknown command 0 binder: 26572:26588 ioctl c0306201 20002fd0 returned -22 binder: 26572:26576 BC_FREE_BUFFER u0000000000000000 no match binder: 26572:26576 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 26572:26576 got transaction to invalid handle binder: 26572:26576 transaction failed 29201/-22, size 72-8 line 3007 binder: 26572:26611 ioctl c0306201 20008000 returned -11 binder: 26616:26617 ERROR: BC_REGISTER_LOOPER called without request binder: 26616:26617 DecRefs 0 refcount change on invalid ref 3 ret -22 binder: 26616:26617 DecRefs 0 refcount change on invalid ref 1 ret -22 netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. binder: 26616:26623 unknown command 0 binder: 26616:26623 ioctl c0306201 20008fd0 returned -22 binder: 26616:26623 got reply transaction with no transaction stack binder: 26616:26623 transaction failed 29201/-71, size 0-0 line 2923 binder: release 26616:26617 transaction 396 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 396, target dead netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode binder: send failed reply for transaction 390 to 26572:26576 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode binder: 26770:26772 ioctl c0306201 20009fd0 returned -11 binder: 26770:26772 DecRefs 0 refcount change on invalid ref 0 ret -22 devpts: called with bogus options binder: 26770:26772 unknown command 0 binder: 26770:26772 ioctl c0306201 20004000 returned -22 binder: 26770:26772 Release 1 refcount change on invalid ref 2 ret -22 binder: 26770:26772 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 26770:26772 BC_REQUEST_DEATH_NOTIFICATION invalid ref 2 devpts: called with bogus options binder: 26770:26783 ioctl c0306201 20007000 returned -14 binder: 26770:26772 BC_DEAD_BINDER_DONE 0000000000000001 not found 9pnet_virtio: no channels available for device H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. IPVS: Creating netns size=2536 id=39 binder: 26770:26772 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 26770:26772 BC_FREE_BUFFER u0000000020000000 no match binder: 26770:26772 BC_FREE_BUFFER u0000000000000000 no match binder_alloc: 26770: binder_alloc_buf, no vma binder: 26770:26806 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 26770:26806 unknown command 0 binder: 26770:26806 ioctl c0306201 20004000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 26770:26806 ioctl 40046207 0 returned -16 9pnet_virtio: no channels available for device H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H binder: 26770:26809 unknown command 0 binder: 26770:26809 ioctl c0306201 20002000 returned -22 binder: 26770:26809 ioctl c0306201 20007000 returned -14 binder: 26770:26772 transaction failed 29189/-3, size 0-8 line 3130 tc_dump_action: action bad kind tc_dump_action: action bad kind 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 binder: 26977:26978 ERROR: BC_REGISTER_LOOPER called without request binder: 26978 RLIMIT_NICE not set binder_alloc: binder_alloc_mmap_handler: 26977 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 26977:26990 ioctl 40046207 0 returned -16 binder: 26977:26978 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 26977: binder_alloc_buf, no vma binder: 26977:26978 transaction failed 29189/-3, size 0-0 line 3130 binder: 26977:27033 got reply transaction with no transaction stack binder: 26977:27033 transaction failed 29201/-71, size 24-8 line 2923 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 402, process died. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48396 sclass=netlink_route_socket pig=27092 comm=syz-executor1 binder: 27083:27086 BC_FREE_BUFFER u0000000000000000 no match binder_alloc: 27083: binder_alloc_buf, no vma binder: 27083:27086 transaction failed 29189/-3, size 72-8 line 3130 binder: BINDER_SET_CONTEXT_MGR already set binder: 27083:27095 ioctl 40046207 0 returned -16 binder: 27083:27095 BC_FREE_BUFFER u0000000000000000 no match binder_alloc: 27083: binder_alloc_buf, no vma binder: 27083:27095 transaction failed 29189/-3, size 72-8 line 3130 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48396 sclass=netlink_route_socket pig=27092 comm=syz-executor1 netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. binder: 27131:27133 got reply transaction with no transaction stack binder: 27131:27133 transaction failed 29201/-71, size 32-8 line 2923 binder: 27131:27133 BC_DEAD_BINDER_DONE 0000000000000002 not found netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. binder: 27131:27155 ioctl c0306201 20007000 returned -14 binder: release 27131:27133 transaction 413 out, still active binder: release 27131:27133 transaction 412 in, still active binder: undelivered TRANSACTION_COMPLETE binder: 27131:27155 got reply transaction with bad transaction stack, transaction 412 has target 0:0 binder: 27131:27155 transaction failed 29201/-71, size 24-16 line 2938 binder: release 27131:27155 transaction 412 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 413, target dead binder: send failed reply for transaction 412, target dead binder: undelivered TRANSACTION_ERROR: 29201 binder: 27131:27173 got reply transaction with no transaction stack binder: 27131:27173 transaction failed 29201/-71, size 32-8 line 2923 binder: BINDER_SET_CONTEXT_MGR already set binder: 27131:27155 ioctl 40046207 0 returned -16 binder: 27131:27173 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 27131:27155 unknown command 0 binder: 27131:27155 ioctl c0306201 20007000 returned -22 binder: 27131:27155 transaction failed 29189/-22, size 0-0 line 3007 binder: undelivered TRANSACTION_ERROR: 29189 binder: 27131:27133 got reply transaction with no transaction stack binder: 27131:27133 transaction failed 29201/-71, size 24-16 line 2923 binder: undelivered TRANSACTION_ERROR: 29201 netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: Can't replace route, no match found device gre0 entered promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: Can't replace route, no match found Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable IPVS: Creating netns size=2536 id=40 IPVS: Creating netns size=2536 id=41 sg_write: data in/out 901092476/192 bytes for SCSI command 0x1b-- guessing data in; program syz-executor2 not setting count and/or reply_len properly handle_userfault: 1 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 31 CPU: 0 PID: 27656 Comm: syz-executor2 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8f8f870 ffffffff81d906e9 ffff8801d8f8fb50 0000000000000000 ffff8801ca6b9310 ffff8801d8f8fa40 ffff8801ca6b9200 ffff8801d8f8fa68 ffffffff8165e307 ffff8801d8f8f8a0 ffffffff811b890d 0000000006a9bb40 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2783 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1f82/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_getrandom drivers/char/random.c:1899 [inline] [] SyS_getrandom+0x165/0x2a0 drivers/char/random.c:1880 [] entry_SYSCALL_64_fastpath+0x23/0xc6 keychord: Insufficient bytes present for keycount 30 keychord: Insufficient bytes present for keycount 30 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=27963 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=27963 comm=syz-executor1 binder: 27977:27982 ioctl 40046205 6 returned -22 binder: 27977:27989 ioctl 40046205 0 returned -22 binder: 27977:27985 ERROR: BC_REGISTER_LOOPER called without request binder: 27977:27982 transaction failed 29189/-22, size 0-0 line 3007 binder: 27977:27985 got reply transaction with no transaction stack binder: 27977:27985 transaction failed 29201/-71, size 24-8 line 2923 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 device gre0 entered promiscuous mode device gre0 entered promiscuous mode skbuff: bad partial csum: csum=98/65532 len=113 binder: 28316:28317 not enough space to store 0 fds in buffer binder: 28316:28317 transaction failed 29201/-22, size 72-32 line 3272 binder_alloc: binder_alloc_mmap_handler: 28316 20000000-20002000 already mapped failed -16 device gre0 entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder: 28316:28317 ioctl 40046207 0 returned -16 binder_alloc: 28316: binder_alloc_buf, no vma binder: 28316:28342 transaction failed 29189/-3, size 72-32 line 3130 loop_reread_partitions: partition scan of loop0 (2°]€fI¸Òæ¶Ì”B±!S,›ùDÏ') failed (rc=-13) loop_reread_partitions: partition scan of loop0 () failed (rc=-13) Empty option to dns_resolver key Empty option to dns_resolver key binder: 28513:28514 ERROR: BC_REGISTER_LOOPER called without request binder: 28513:28514 ioctl c0306201 20008fd0 returned -11 binder: BINDER_SET_CONTEXT_MGR already set binder: 28513:28514 ioctl 40046207 0 returned -16 binder_alloc: 28513: binder_alloc_buf, no vma binder: 28513:28514 ERROR: BC_REGISTER_LOOPER called without request binder: 28513:28514 ioctl c0306201 20008fd0 returned -11 device gre0 entered promiscuous mode binder: 28513:28530 transaction failed 29189/-3, size 0-0 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 28513:28530 transaction 424 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 424, target dead device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=42 IPVS: Creating netns size=2536 id=43 binder: 28651:28659 tried to acquire reference to desc 0, got 1 instead binder: 28651:28659 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 28651:28654 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: undelivered death notification, 0000000000000000 device gre0 entered promiscuous mode nla_parse: 13 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'.