device gre0 entered promiscuous mode ===================================== [ BUG: bad unlock balance detected! ] 4.9.67-gf26d3c7 #106 Not tainted ------------------------------------- syz-executor5/13006 is trying to release lock ([ 92.083656] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable mrt_lock) at: but there are no more locks to release! other info that might help us debug this: 2 locks held by syz-executor5/13006: #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 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable stack backtrace: CPU: 0 PID: 13006 Comm: syz-executor5 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd7178e8 ffffffff81d906e9 ffffffff849ae8f8 ffff8801d6b30000 ffffffff834dec54 ffffffff849ae8f8 ffff8801d6b30888 ffff8801cd717918 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 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 sg_write: data in/out 760718663/119 bytes for SCSI command 0xa2-- guessing data in; program syz-executor3 not setting count and/or reply_len properly binder: 13069:13070 got transaction with invalid parent offset binder: 13069:13070 transaction failed 29201/-22, size 80-32 line 3315 binder_alloc: binder_alloc_mmap_handler: 13069 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 13069: binder_alloc_buf, no vma binder: 13069:13070 ioctl 40046207 0 returned -16 binder: 13069:13076 transaction failed 29189/-3, size 80-32 line 3130 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 mmap: syz-executor4 (13179): VmData 35430400 exceed data ulimit 22. Update limits or use boot option ignore_rlimit_data. device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=13199 comm=syz-executor1 keychord: invalid keycode count 0 keychord: invalid keycode count 0 handle_userfault: 10 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13250 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a48bf930 ffffffff81d906e9 ffff8801a48bfc10 0000000000000000 ffff8801d912e290 ffff8801a48bfb00 ffff8801d912e180 ffff8801a48bfb28 ffffffff8165e307 0000000000000001 ffff8801a48bfa80 00000001a4d95067 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: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: 13250 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a48bf930 ffffffff81d906e9 ffff8801a48bfc10 0000000000000000 ffff8801cc492290 ffff8801a48bfb00 ffff8801cc492180 ffff8801a48bfb28 ffffffff8165e307[ 93.962045] binder: BINDER_SET_CONTEXT_MGR already set binder: 13303:13308 ioctl 40046207 0 returned -16 ffff8801a48bfac8 ffff8801a48bfa80 00000001a28f1067 [] __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 device gre0 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 13325 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ccd0f930 ffffffff81d906e9 ffff8801ccd0fc10 0000000000000000 ffff8801d912e410 ffff8801ccd0fb00 ffff8801d912e300 ffff8801ccd0fb28 ffffffff8165e307 0000000000000001 ffff8801ccd0fa80 00000001a3464067 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: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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5521 sclass=netlink_route_socket pig=13357 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5521 sclass=netlink_route_socket pig=13357 comm=syz-executor3 syz-executor4 (13379): /proc/13376/oom_adj is deprecated, please use /proc/13376/oom_score_adj instead. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 13381 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a257f930 ffffffff81d906e9 ffff8801a257fc10 0000000000000000 ffff8801d190fd90 ffff8801a257fb00 ffff8801d190fc80 ffff8801a257fb28 ffffffff8165e307 0000000000000001 ffff8801a257fa80 00000001cf007067 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: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: 0 PID: 13392 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a2c37930 ffffffff81d906e9 ffff8801a2c37c10 0000000000000000 ffff8801d912e590 ffff8801a2c37b00 ffff8801d912e480 ffff8801a2c37b28 ffffffff8165e307 ffff8801a2c37ac8 ffff8801a2c37a80 00000001a59d0067 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: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 binder: 13432:13436 got reply transaction with no transaction stack binder: 13432:13436 transaction failed 29201/-71, size 32-8 line 2923 binder: 13432:13436 BC_DEAD_BINDER_DONE 0000000000000002 not found FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13438 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c7707930 ffffffff81d906e9 ffff8801c7707c10 0000000000000000 ffff8801d912e710 ffff8801c7707b00 ffff8801d912e600 ffff8801c7707b28 ffffffff8165e307 0000000000000001 ffff8801c7707a80 00000001a1d7d067 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: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 binder: 13432:13460 ioctl c0306201 20007000 returned -14 binder: release 13432:13436 transaction 194 out, still active binder: release 13432:13436 transaction 193 in, still active binder: undelivered TRANSACTION_COMPLETE FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13438 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c7707930 ffffffff81d906e9 ffff8801c7707c10 0000000000000000 ffff8801d912e890 ffff8801c7707b00 ffff8801d912e780 ffff8801c7707b28 ffffffff8165e307 ffff8801c7707ac8 ffff8801c7707a80 00000001a4037067 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: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 binder: 13432:13460 got reply transaction with bad transaction stack, transaction 193 has target 0:0 binder: 13432:13460 transaction failed 29201/-71, size 24-16 line 2938 binder: release 13432:13460 transaction 193 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 194, target dead binder: send failed reply for transaction 193, target dead binder: undelivered TRANSACTION_ERROR: 29201 binder: 13432:13474 got reply transaction with no transaction stack binder: 13432:13474 transaction failed 29201/-71, size 32-8 line 2923 binder: BINDER_SET_CONTEXT_MGR already set binder: 13432:13474 ioctl 40046207 0 returned -16 binder: 13432:13460 BC_DEAD_BINDER_DONE 0000000000000002 not found FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13469 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ca3bf930 ffffffff81d906e9 ffff8801ca3bfc10 0000000000000000 ffff8801d912ea10 ffff8801ca3bfb00 ffff8801d912e900 ffff8801ca3bfb28 ffffffff8165e307 ffff8801ca3bfac8 ffff8801ca3bfa80 00000001d139a067 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: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 binder_alloc: 13432: binder_alloc_buf, no vma binder: 13432:13460 transaction failed 29189/-3, size 0-0 line 3130 binder: 13432:13460 ioctl c0306201 20007000 returned -14 netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13469 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ca3bf930 ffffffff81d906e9 ffff8801ca3bfc10 0000000000000000 ffff8801d912eb90 ffff8801ca3bfb00 ffff8801d912ea80 ffff8801ca3bfb28 ffffffff8165e307 ffff8801ca3bfac8 ffff8801ca3bfa80 00000001cdb64067 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: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 binder: 13432:13436 got reply transaction with no transaction stack binder: 13432:13436 transaction failed 29201/-71, size 24-16 line 2923 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13496 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d60e7930 ffffffff81d906e9 ffff8801d60e7c10 0000000000000000 ffff8801d912ed10 ffff8801d60e7b00 ffff8801d912ec00 ffff8801d60e7b28 ffffffff8165e307 ffff8801d60e7ac8 ffff8801d60e7a80 00000001d1fc7067 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: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 device gre0 entered promiscuous mode binder: 13674:13676 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 13674:13676 Release 1 refcount change on invalid ref 0 ret -22 binder: 13674:13676 transaction failed 29189/-22, size 24-8 line 3007 binder: 13674:13684 Release 1 refcount change on invalid ref 0 ret -22 binder: 13674:13684 transaction failed 29189/-22, size 24-8 line 3007 binder: 13707:13711 not enough space to store 7 fds in buffer binder: 13707:13711 transaction failed 29201/-22, size 72-24 line 3272 binder_alloc: binder_alloc_mmap_handler: 13707 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 13707:13711 ioctl 40046207 0 returned -16 binder_alloc: 13707: binder_alloc_buf, no vma binder: 13707:13718 transaction failed 29189/-3, size 72-24 line 3130 device gre0 entered promiscuous mode device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=20 IPVS: Creating netns size=2536 id=21 device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode IPv6: Can't replace route, no match found binder: 13976:13978 Release 1 refcount change on invalid ref 4 ret -22 binder: 13976:13978 IncRefs 0 refcount change on invalid ref 1 ret -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=63367 sclass=netlink_route_socket pig=13980 comm=syz-executor7 binder: 13976:13991 BC_FREE_BUFFER u0000000000000000 no match binder: 13976:13991 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder: 13976:13991 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 binder: 13976:13991 BC_CLEAR_DEATH_NOTIFICATION invalid ref -2 binder_alloc: 13976:13991 FREE_BUFFER u0000000020000000 user freed buffer twice binder: 13976:13991 BC_FREE_BUFFER u0000000020000000 no match binder: 13976:13991 got transaction with unaligned buffers size, 3571 binder: 13976:13991 transaction failed 29201/-22, size 64-32 line 3175 binder: BINDER_SET_CONTEXT_MGR already set binder: 13976:14002 ioctl 40046207 0 returned -16 binder_alloc: 13976: binder_alloc_buf, no vma binder: 13976:14002 transaction failed 29189/-3, size 0-0 line 3130 binder: 13976:14002 Release 1 refcount change on invalid ref 4 ret -22 binder: 13976:14002 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 13976:14002 Acquire 1 refcount change on invalid ref 2 ret -22 binder: 13976:14002 ERROR: BC_REGISTER_LOOPER called without request qtaguid: iface_stat: create6(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev binder: 13976:13978 Acquire 1 refcount change on invalid ref 2 ret -22 binder: 13976:13978 ERROR: BC_REGISTER_LOOPER called without request binder: undelivered TRANSACTION_ERROR: 29189 binder: release 13976:13978 transaction 207 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 207, target dead binder: 14080:14082 BC_FREE_BUFFER u0000000000000000 no match binder: 14080:14082 BC_DEAD_BINDER_DONE 0000000000000004 not found binder: 14080:14082 ERROR: BC_REGISTER_LOOPER called after BC_ENTER_LOOPER binder: 14080:14082 BC_CLEAR_DEATH_NOTIFICATION invalid ref 2 binder: 14080:14082 got reply transaction with no transaction stack device syz7 entered promiscuous mode binder: 14080:14082 transaction failed 29201/-71, size 72-40 line 2923 netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. binder: 14080:14096 DecRefs 0 refcount change on invalid ref 2 ret -22 binder: 14080:14096 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: 14080:14082 ioctl c0306201 20010000 returned -14 binder: 14080 invalid dec weak, ref 211 desc 0 s 1 w 0 binder: 14080:14082 ERROR: BC_ENTER_LOOPER called after BC_REGISTER_LOOPER netlink: 44 bytes leftover after parsing attributes in process `syz-executor3'. binder: 14080:14082 DecRefs 0 refcount change on invalid ref 4 ret -22 binder: 14080:14082 BC_CLEAR_DEATH_NOTIFICATION death notification cookie mismatch 0000000000000003 != fffffffffffffffe netlink: 44 bytes leftover after parsing attributes in process `syz-executor3'. binder: 14080:14082 unknown command 0 binder: 14080:14082 ioctl c0306201 2000bfd0 returned -22 binder: 14080:14082 tried to acquire reference to desc 0, got 1 instead binder: 14080:14096 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: 14080:14127 BC_CLEAR_DEATH_NOTIFICATION death notification cookie mismatch 0000000000000003 != 0000000000000000 binder: 14080:14127 unknown command 0 binder: 14080:14127 ioctl c0306201 2000a000 returned -22 binder: 14080:14082 DecRefs 0 refcount change on invalid ref 2 ret -22 binder: 14080:14082 unknown command 0 binder: 14080:14082 ioctl c0306201 20003fd0 returned -22 handle_userfault: 22 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 binder: 14080:14127 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 14080 invalid dec weak, ref 211 desc 0 s 1 w 0 binder: 14080:14127 DecRefs 0 refcount change on invalid ref 4 ret -22 binder: 14080:14127 BC_CLEAR_DEATH_NOTIFICATION death notification cookie mismatch 0000000000000003 != fffffffffffffffe binder: 14080:14127 got reply transaction with no transaction stack binder: 14080:14127 transaction failed 29201/-71, size 0-48 line 2923 binder: undelivered death notification, 0000000000000000 CPU: 0 PID: 14120 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb7cf930 ffffffff81d906e9 ffff8801cb7cfc10 0000000000000000 ffff8801d98c0890 ffff8801cb7cfb00 ffff8801d98c0780 ffff8801cb7cfb28 ffffffff8165e307 ffff8801cb7cfac8 ffff8801cb7cfa80 00000001c7fd4067 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: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 netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 14154 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a83a7930 ffffffff81d906e9 ffff8801a83a7c10 0000000000000000 ffff8801cc4a9010 ffff8801a83a7b00 ffff8801cc4a8f00 ffff8801a83a7b28 ffffffff8165e307 0000000000000001 ffff8801a83a7a80 00000001ce7b4067 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: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 netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 14154 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a83a7930 ffffffff81d906e9 ffff8801a83a7c10 0000000000000000 ffff8801cc4a9490 ffff8801a83a7b00 ffff8801cc4a9380 ffff8801a83a7b28 ffffffff8165e307 ffff8801a83a7ac8 ffff8801a83a7a80 00000001ce7b4067 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: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: 14228 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9b17930 ffffffff81d906e9 ffff8801d9b17c10 0000000000000000 ffff8801d98c0a10 ffff8801d9b17b00 ffff8801d98c0900 ffff8801d9b17b28 ffffffff8165e307 0000000000000001 ffff8801d9b17a80 00000001a4e64067 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: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: 14228 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9b17930 ffffffff81d906e9 ffff8801d9b17c10 0000000000000000 ffff8801cc4a8d10 ffff8801d9b17b00 ffff8801cc4a8c00 ffff8801d9b17b28 ffffffff8165e307 ffff8801d9b17ac8 ffff8801d9b17a80 00000001a5baa067 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: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 binder: release 14299:14304 transaction 217 out, still active binder: undelivered TRANSACTION_COMPLETE binder_alloc: 14299: binder_alloc_buf, no vma binder: 14299:14304 transaction failed 29189/-3, size 0-0 line 3130 binder_alloc: binder_alloc_mmap_handler: 14299 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 14299:14309 ioctl 40046207 0 returned -16 binder_alloc: 14299: binder_alloc_buf, no vma binder: 14299:14309 transaction failed 29189/-3, size 0-0 line 3130 device gre0 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 14301 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9077930 ffffffff81d906e9 ffff8801d9077c10 0000000000000000 ffff8801cc4a8890 ffff8801d9077b00 ffff8801cc4a8780 ffff8801d9077b28 ffffffff8165e307 ffff8801d9077ac8 ffff8801d9077a80 00000001cd841067 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: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 nla_parse: 6 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode device gre0 left promiscuous mode netlink: 11 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode binder: release 14299:14304 transaction 217 in, still active binder: send failed reply for transaction 217, target dead binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 device gre0 left promiscuous mode sock: process `syz-executor2' is using obsolete setsockopt SO_BSDCOMPAT netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=14492 comm=syz-executor5 netlink: 17 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=14537 comm=syz-executor1 qtaguid: iface_stat: create6(lo): no inet dev SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=14563 comm=syz-executor1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. binder: 14577:14578 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 14577:14578 got transaction to invalid handle binder: 14577:14578 transaction failed 29201/-22, size 24-16 line 3007 binder: undelivered death notification, 0000000000000000 binder: undelivered death notification, 0000000000000000 IPVS: Creating netns size=2536 id=22 device gre0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. loop: Write error at byte offset 0, length 512. blk_update_request: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write VFS: Dirty inode writeback failed for block device loop4 (err=-5). loop: Write error at byte offset 0, length 512. blk_update_request: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write VFS: Dirty inode writeback failed for block device loop4 (err=-5).