keychord: invalid keycode count 0 netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. ===================================== [ BUG: bad unlock balance detected! ] 4.9.69-g3f1d77c #108 Not tainted ------------------------------------- syz-executor6/6334 is trying to release lock ([ 38.998073] binder: 6345:6352 got transaction with invalid offset (0, min 0 max 0) or object. binder: 6345:6352 transaction failed 29201/-22, size 0-8 line 3193 binder: 6345:6352 got transaction with invalid handle, 0 binder: 6345:6352 transaction failed 29201/-22, size 24-16 line 3222 binder_alloc: binder_alloc_mmap_handler: 6345 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6345:6354 ioctl 40046207 0 returned -16 binder_alloc: 6345: binder_alloc_buf, no vma binder: 6345:6354 transaction failed 29189/-3, size 24-16 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 mrt_lock) at: but there are no more locks to release! other info that might help us debug this: 2 locks held by syz-executor6/6334: #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: 1 PID: 6334 Comm: syz-executor6 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aaf578e8 ffffffff81d90a29 ffffffff849ae9f8 ffff8801aaf1e000 ffffffff834dfd74 ffffffff849ae9f8 ffff8801aaf1e888 ffff8801aaf57918 ffffffff81235404 dffffc0000000000 ffffffff849ae9f8 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 netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. rfkill: input handler disabled binder: 6433:6440 ERROR: BC_REGISTER_LOOPER called without request binder: 6433:6452 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 6433:6452 got reply transaction with no transaction stack binder: 6433:6452 transaction failed 29201/-71, size 48-16 line 2923 rfkill: input handler enabled binder: 6433:6440 ERROR: BC_REGISTER_LOOPER called without request binder: 6433:6440 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 6433:6440 got reply transaction with no transaction stack binder: 6433:6440 transaction failed 29201/-71, size 48-16 line 2923 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6511 Comm: syz-executor6 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d0f0f920 ffffffff81d90a29 ffff8801d0f0fc00 0000000000000000 ffff8801a6bba290 ffff8801d0f0faf0 ffff8801a6bba180 ffff8801d0f0fb18 ffffffff8165e557 0000000000000000 ffff8801d0f0fa70 00000001a49cf067 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 device gre0 entered promiscuous mode CPU: 1 PID: 6524 Comm: syz-executor6 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c574f930 ffffffff81d90a29 ffff8801c574fc10 0000000000000000 ffff8801a6bba290 ffff8801c574fb00 ffff8801a6bba180 ffff8801c574fb28 ffffffff8165e557 ffff8801c574fac8 ffff8801c574fa80 00000001a49cf067 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: 6511 Comm: syz-executor6 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 FAULT_FLAG_ALLOW_RETRY missing 30 ffff8801d0f0f920 ffffffff81d90a29 ffff8801d0f0fc00 0000000000000000 ffff8801a7f44410 ffff8801d0f0faf0 ffff8801a7f44300 ffff8801d0f0fb18 ffffffff8165e557 0000000000000000 ffff8801d0f0fa70 00000001a49cf067 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 CPU: 0 PID: 6524 Comm: syz-executor6 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c574f930 ffffffff81d90a29 ffff8801c574fc10 0000000000000000 ffff8801a7f44410 ffff8801c574fb00 ffff8801a7f44300 ffff8801c574fb28 ffffffff8165e557 ffffffff00000002 ffff8801000000fc 2222002200000000 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: 6603:6625 ioctl c018620b 2000afe8 returned -14 binder: 6603:6662 ioctl c018620b 2000afe8 returned -14 nla_parse: 4 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. binder: 6764:6771 ioctl 40046205 6 returned -22 binder: 6764:6771 ioctl 40046205 0 returned -22 device gre0 entered promiscuous mode binder: 6764:6771 got transaction to invalid handle binder: 6764:6771 transaction failed 29201/-22, size 48-16 line 3007 binder: 6764:6771 got transaction with invalid data ptr binder: 6764:6771 transaction failed 29201/-14, size 56-0 line 3149 binder: 6764:6771 unknown command 1400526783 binder: 6764:6771 ioctl c0306201 20002fd0 returned -22 binder: 6764:6771 ioctl c018620b 20000fe8 returned -14 binder: 6764:6771 ioctl c018620b 20000000 returned -14 binder: 6764:6788 ioctl 40046205 6 returned -22 netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. binder: 6764:6788 ioctl 40046205 0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6764:6771 ioctl 40046207 0 returned -16 binder: 6764:6788 got transaction to invalid handle binder: 6764:6788 transaction failed 29201/-22, size 48-16 line 3007 binder_alloc: 6764: binder_alloc_buf, no vma binder: 6764:6810 transaction failed 29189/-3, size 56-0 line 3130 binder: 6764:6810 unknown command 0 binder: 6764:6810 ioctl c0306201 20002fd0 returned -22 binder: 6764:6788 got reply transaction with no transaction stack binder: 6764:6788 transaction failed 29201/-71, size 24-8 line 2923 binder: 6764:6788 ioctl c018620b 20000fe8 returned -14 binder: 6764:6810 ioctl c018620b 20000000 returned -14 netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: 6841:6842 ioctl 40046205 6 returned -22 binder: 6841:6842 ioctl 40046205 0 returned -22 binder: 6841:6842 got transaction to invalid handle device gre0 entered promiscuous mode binder: 6841:6842 transaction failed 29201/-22, size 48-16 line 3007 binder: 6841:6860 got transaction with invalid data ptr binder: 6841:6860 transaction failed 29201/-14, size 56-0 line 3149 binder: 6841:6842 unknown command 1400526783 binder: 6841:6842 ioctl c0306201 20002fd0 returned -22 binder: 6841:6842 got reply transaction with no transaction stack binder: 6841:6842 transaction failed 29201/-71, size 24-8 line 2923 binder: 6841:6842 ioctl c018620b 20000fe8 returned -14 binder: 6841:6842 ioctl c018620b 20000000 returned -14 binder: 6841:6860 ioctl 40046205 6 returned -22 binder: 6841:6860 ioctl 40046205 0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6841:6842 ioctl 40046207 0 returned -16 binder: 6841:6842 got transaction to invalid handle binder: 6841:6842 transaction failed 29201/-22, size 48-16 line 3007 binder_alloc: 6841: binder_alloc_buf, no vma binder: 6841:6860 transaction failed 29189/-3, size 56-0 line 3130 binder: 6841:6860 unknown command 0 binder: 6841:6860 ioctl c0306201 20002fd0 returned -22 sg_write: data in/out 760718663/119 bytes for SCSI command 0xa2-- guessing data in; program syz-executor2 not setting count and/or reply_len properly binder: 6841:6842 ioctl c018620b 20000fe8 returned -14 binder: 6841:6860 ioctl c018620b 20000000 returned -14 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: 6904:6909 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 6904:6909 BC_INCREFS_DONE u000000002011a000 no match binder_alloc: 6904: binder_alloc_buf, no vma binder: 6904:6909 transaction failed 29189/-3, size 32-24 line 3130 binder: 6904:6909 got reply transaction with no transaction stack binder: 6904:6909 transaction failed 29201/-71, size 0-8 line 2923 binder: BINDER_SET_CONTEXT_MGR already set binder: 6904:6917 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 6904 2011a000-2051a000 already mapped failed -16 binder: 6904:6917 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 6904:6917 BC_INCREFS_DONE u000000002011a000 no match binder_alloc: 6904: binder_alloc_buf, no vma binder: 6904:6917 transaction failed 29189/-3, size 32-24 line 3130 binder: 6904:6923 got reply transaction with no transaction stack binder: 6904:6923 transaction failed 29201/-71, size 0-8 line 2923 binder_alloc: 6904: binder_alloc_buf, no vma binder: 6904:6917 transaction failed 29189/-3, size 0-40 line 3130 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 netlink: 13 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1400 audit(1513425710.085:37): avc: denied { write } for pid=6974 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=6994 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=6994 comm=syz-executor7 audit: type=1400 audit(1513425710.645:38): avc: denied { getattr } for pid=7049 comm="syz-executor0" path="socket:[18249]" dev="sockfs" ino=18249 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 binder_alloc: binder_alloc_mmap_handler: 7081 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7081:7089 ioctl 40046207 0 returned -16 binder: 7409:7411 ERROR: BC_REGISTER_LOOPER called without request binder: send failed reply for transaction 56 to 7409:7425 binder_alloc: binder_alloc_mmap_handler: 7409 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set device gre0 entered promiscuous mode binder: 7409:7425 ioctl 40046207 0 returned -16 binder: 7409:7411 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 7409: binder_alloc_buf, no vma binder: 7409:7445 transaction failed 29189/-3, size 0-0 line 3130 device gre0 entered promiscuous mode binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. device lo entered promiscuous mode audit: type=1400 audit(1513425712.395:39): avc: denied { ioctl } for pid=7477 comm="syz-executor4" path="socket:[18847]" dev="sockfs" ino=18847 ioctlcmd=0x8903 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=7500 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=7500 comm=syz-executor3 blk_update_request: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, lost async page write blk_update_request: I/O error, dev loop7, sector 8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 7487 Comm: syz-executor4 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d48378e0 ffffffff81d90a29 ffff8801d4837bc0 0000000000000000 ffff8801a7f45310 ffff8801d4837ab0 ffff8801a7f45200 ffff8801d4837ad8 ffffffff8165e557 ffff8801db221ce8 ffff8801d4837a30 00000001cc066067 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 [] strndup_user+0x28/0xb0 mm/util.c:160 [] SYSC_request_key security/keys/keyctl.c:186 [inline] [] SyS_request_key+0xd6/0x2d0 security/keys/keyctl.c:158 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 7487 Comm: syz-executor4 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d48378e0 ffffffff81d90a29 ffff8801d4837bc0 0000000000000000 ffff8801a7f45490 ffff8801d4837ab0 ffff8801a7f45380 ffff8801d4837ad8 ffffffff8165e557 ffff8801cb296000 ffff8801d4837a30 00000001da3f1067 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 [] strndup_user+0x28/0xb0 mm/util.c:160 [] SYSC_request_key security/keys/keyctl.c:186 [inline] [] SyS_request_key+0xd6/0x2d0 security/keys/keyctl.c:158 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Buffer I/O error on dev loop7, logical block 1, lost async page write blk_update_request: I/O error, dev loop7, sector 16 Buffer I/O error on dev loop7, logical block 2, lost async page write blk_update_request: I/O error, dev loop7, sector 24 Buffer I/O error on dev loop7, logical block 3, lost async page write blk_update_request: I/O error, dev loop7, sector 32 Buffer I/O error on dev loop7, logical block 4, lost async page write blk_update_request: I/O error, dev loop7, sector 40 Buffer I/O error on dev loop7, logical block 5, lost async page write blk_update_request: I/O error, dev loop7, sector 48 Buffer I/O error on dev loop7, logical block 6, lost async page write blk_update_request: I/O error, dev loop7, sector 56 Buffer I/O error on dev loop7, logical block 7, lost async page write blk_update_request: I/O error, dev loop7, sector 64 Buffer I/O error on dev loop7, logical block 8, lost async page write blk_update_request: I/O error, dev loop7, sector 72 Buffer I/O error on dev loop7, logical block 9, lost async page write binder: 7610:7612 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 7610:7612 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7612 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7641 BC_FREE_BUFFER u0000000000000000 no match binder: 7610:7641 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7641 BC_DEAD_BINDER_DONE 0000000000000004 not found binder: 7610:7656 DecRefs 0 refcount change on invalid ref 4 ret -22 binder: 7610:7641 unknown command 0 binder: 7610:7641 ioctl c0306201 2000a000 returned -22 binder: 7610:7641 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 7610:7641 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 7610:7641 DecRefs 0 refcount change on invalid ref 4 ret -22 binder: 7610:7641 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7641 got reply transaction with no transaction stack binder: 7610:7696 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 7610:7696 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7694 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7694 BC_FREE_BUFFER u0000000000000000 no match binder: 7610:7694 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7610:7694 BC_DEAD_BINDER_DONE 0000000000000004 not found binder: 7610:7694 ERROR: BC_REGISTER_LOOPER called after BC_ENTER_LOOPER binder: 7610:7694 BC_CLEAR_DEATH_NOTIFICATION invalid ref 2 binder: 7610:7694 got reply transaction with no transaction stack binder: 7610:7694 transaction failed 29201/-71, size 72-40 line 2923 binder: 7610:7694 DecRefs 0 refcount change on invalid ref 4 ret -22 binder: 7610:7641 transaction failed 29201/-71, size 0-48 line 2923 binder: 7706:7707 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: binder_alloc_mmap_handler: 7706 20000000-20002000 already mapped failed -16 binder: 7706:7723 ERROR: BC_REGISTER_LOOPER called without request binder: 7785:7787 ioctl c0306201 20008fd0 returned -14 binder: 7785:7787 got reply transaction with bad transaction stack, transaction 61 has target 7785:0 binder: 7785:7787 transaction failed 29201/-71, size 0-8 line 2938 binder: BINDER_SET_CONTEXT_MGR already set binder: 7785:7798 ioctl 40046207 0 returned -16 binder_alloc: 7785: binder_alloc_buf, no vma binder: 7785:7787 transaction failed 29189/-3, size 0-0 line 3130 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 binder: 7785:7799 got reply transaction with no transaction stack binder: 7785:7799 transaction failed 29201/-71, size 0-8 line 2923 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 7785:7787 transaction 61 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 61, target dead device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=9 IPVS: Creating netns size=2536 id=10 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 device gre0 entered promiscuous mode device syz3 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8439 Comm: syz-executor2 Not tainted 4.9.69-g3f1d77c #108 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cc9578e0 ffffffff81d90a29 ffff8801cc957bc0 0000000000000000 ffff8801a6bbb190 ffff8801cc957ab0 ffff8801a6bbb080 ffff8801cc957ad8 ffffffff8165e557 ffff8801d0bf6000 ffff8801cc957a30 00000001c9df1067 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 [] strndup_user+0x28/0xb0 mm/util.c:160 [] SYSC_request_key security/keys/keyctl.c:186 [inline] [] SyS_request_key+0xd6/0x2d0 security/keys/keyctl.c:158 [] entry_SYSCALL_64_fastpath+0x23/0xc6