binder: 14927:14932 transaction failed 29201/-22, size 72-32 line 3272 ===================================== [ BUG: bad unlock balance detected! ] 4.9.67-gf26d3c7 #106 Not tainted ------------------------------------- syz-executor7/14941 is trying to release lock ([ 103.857707] binder: BINDER_SET_CONTEXT_MGR already set binder: 14927:14932 ioctl 40046207 0 returned -16 binder_alloc: 14927: binder_alloc_buf, no vma binder: 14927:14949 transaction failed 29189/-3, size 72-32 line 3130 mrt_lock[ 103.883673] binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 206, process died. ) at: but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor7/14941: #0: (&p->lock){+.+.+.}, at: [] seq_read+0xdd/0x1290 fs/seq_file.c:178 stack backtrace: CPU: 1 PID: 14941 Comm: syz-executor7 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d913f8e8 ffffffff81d906e9 ffffffff849ae8f8 ffff8801d8074800 ffffffff834dec54 ffffffff849ae8f8 ffff8801d8075088 ffff8801d913f918 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: 14930:14934 ERROR: BC_REGISTER_LOOPER called without request binder: release 14930:14946 transaction 208 out, still active binder: undelivered TRANSACTION_COMPLETE binder: release 14930:14934 transaction 208 in, still active binder: send failed reply for transaction 208, target dead device gre0 entered promiscuous mode PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 15163 Comm: syz-executor5 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8fef840 ffffffff81d906e9 ffff8801d8fefb20 0000000000000000 ffff8801c8b19190 ffff8801d8fefa10 ffff8801c8b19080 ffff8801d8fefa38 ffffffff8165e307 0000000000000000 ffff8801d8fef990 00000001c6b9f067 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 [] SYSC_fsetxattr fs/xattr.c:504 [inline] [] SyS_fsetxattr+0x130/0x190 fs/xattr.c:493 [] entry_SYSCALL_64_fastpath+0x23/0xc6 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex CPU: 1 PID: 15155 Comm: syz-executor5 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a833f5d0 ffffffff81d906e9 ffff8801a833f8b0 0000000000000000 ffff8801c8b19190 ffff8801a833f7a0 ffff8801c8b19080 ffff8801a833f7c8 ffffffff8165e307 0000000000000000 ffff8801a833f720 00000001c6b9f067 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 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] entry_SYSCALL_64_fastpath+0x23/0xc6 nla_parse: 7 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. syz-executor3: [ 106.379979] device gre0 entered promiscuous mode vmalloc: allocation failure: 17179082768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 15435 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb027880 ffffffff81d906e9 1ffff10039604f13 ffff8801c5118000 ffffffff83ab7dc0 0000000000000001 0000000000400000 ffff8801cb027990 ffffffff8144ea02 024000c273c7c853 0000000041b58ab3 ffffffff841913b5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3063 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Mem-Info: active_anon:96994 inactive_anon:44 isolated_anon:0 active_file:3764 inactive_file:6888 isolated_file:0 unevictable:0 dirty:139 writeback:0 unstable:0 slab_reclaimable:5531 slab_unreclaimable:31320 mapped:22829 shmem:84 pagetables:823 bounce:0 free:1463028 free_pcp:401 free_cma:0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14761 sclass=netlink_route_socket pig=15440 comm=syz-executor4 syz-executor3: vmalloc: allocation failure: 17179082768 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 15453 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a6667880 ffffffff81d906e9 1ffff10034cccf13 ffff8801c4876000 ffffffff83ab7dc0 0000000000000001 0000000000400000 ffff8801a6667990 ffffffff8144ea02 024000c281844096 0000000041b58ab3 ffffffff841913b5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3063 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Mem-Info: active_anon:96948 inactive_anon:44 isolated_anon:0 active_file:3764 inactive_file:6888 isolated_file:0 unevictable:0 dirty:139 writeback:0 unstable:0 slab_reclaimable:5531 slab_unreclaimable:31433 mapped:22829 shmem:84 pagetables:786 bounce:0 free:1463460 free_pcp:471 free_cma:0 Node 0 active_anon:387792kB inactive_anon:176kB active_file:15056kB inactive_file:27552kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91316kB dirty:556kB writeback:0kB shmem:336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2981148kB min:30600kB low:38248kB high:45896kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2981844kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:696kB local_pcp:48kB free_cma:0kB Normal free:2856784kB min:36816kB low:46020kB high:55224kB active_anon:387792kB inactive_anon:176kB active_file:15056kB inactive_file:27552kB unevictable:0kB writepending:556kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:22124kB slab_unreclaimable:125732kB kernel_stack:6112kB pagetables:3144kB bounce:0kB free_pcp:1188kB local_pcp:740kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 10735 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320236 pages reserved SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14761 sclass=netlink_route_socket pig=15462 comm=syz-executor4 IPv6: Can't replace route, no match found IPv6: Can't replace route, no match found Node 0 active_anon:358688kB inactive_anon:176kB active_file:15064kB inactive_file:27588kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91212kB dirty:652kB writeback:0kB shmem:336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 30720kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2910 6411 6411 DMA32 free:2981148kB min:30600kB low:38248kB high:45896kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2981844kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:696kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2883460kB min:36816kB low:46020kB high:55224kB active_anon:358688kB inactive_anon:176kB active_file:15064kB inactive_file:27588kB unevictable:0kB writepending:656kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:22352kB slab_unreclaimable:129100kB kernel_stack:5600kB pagetables:2912kB bounce:0kB free_pcp:1360kB local_pcp:716kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (M) 3*32kB (M) 4*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 2*2048kB (M) 726*4096kB (M) = 2981148kB Normal: 1671*4kB (UME) 1192*8kB (UME) 1035*16kB (UME) 297*32kB (UME) 1258*64kB (UME) 422*128kB (UM) 49*256kB (UM) 12*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 654*4096kB (UM) = 2883500kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 10747 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320236 pages reserved netlink: 64 bytes leftover after parsing attributes in process `syz-executor0'. binder: 15532:15535 got transaction with invalid offset (0, min 0 max 0) or object. binder: 15532:15535 transaction failed 29201/-22, size 0-8 line 3193 binder: 15532:15535 got transaction with invalid handle, 0 binder: 15532:15535 transaction failed 29201/-22, size 24-16 line 3222 binder_alloc: binder_alloc_mmap_handler: 15532 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 15532:15535 ioctl 40046207 0 returned -16 binder_alloc: 15532: binder_alloc_buf, no vma binder: 15532:15535 transaction failed 29189/-3, size 0-8 line 3130 binder_alloc: 15532: binder_alloc_buf, no vma binder: 15532:15535 transaction failed 29189/-3, size 24-16 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 netlink: 64 bytes leftover after parsing attributes in process `syz-executor0'. device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device lo left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. device lo entered promiscuous mode qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 15635 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a935f8c0 ffffffff81d906e9 ffff8801a935fba0 0000000000000000 ffff8801c8b19490 ffff8801a935fa90 ffff8801c8b19380 ffff8801a935fab8 ffffffff8165e307 0000000000000000 ffff8801a935fa10 00000001aa393067 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: 15595 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf61f890 ffffffff81d906e9 ffff8801cf61fb70 0000000000000000 ffff8801c8b19490 ffff8801cf61fa60 ffff8801c8b19380 ffff8801cf61fa88 ffffffff8165e307 ffff8801db321418 ffff8801cf61f9e0 00000001aa393067 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 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname+0x19/0x20 fs/namei.c:208 [] do_sys_open+0x21d/0x4c0 fs/open.c:1066 [] SYSC_openat fs/open.c:1099 [inline] [] SyS_openat+0x30/0x40 fs/open.c:1093 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 15622 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aa0af830 ffffffff81d906e9 ffff8801aa0afb10 0000000000000000 ffff8801c8b19490 ffff8801aa0afa00 ffff8801c8b19380 ffff8801aa0afa28 ffffffff8165e307 ffff8801db221400 ffff8801aa0af980 00000001aa393067 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 [] 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: 0 PID: 15603 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d0fa78c0 ffffffff81d906e9 ffff8801d0fa7ba0 0000000000000000 ffff8801c8b19490 ffff8801d0fa7a90 ffff8801c8b19380 ffff8801d0fa7ab8 ffffffff8165e307 0000000000000000 ffff8801d0fa7a10 00000001aa393067 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: 15666 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c66a78c0 ffffffff81d906e9 ffff8801c66a7ba0 0000000000000000 ffff8801c8b19310 ffff8801c66a7a90 ffff8801c8b19200 ffff8801c66a7ab8 ffffffff8165e307 0000000000000000 ffff8801c66a7a10 00000001aa393067 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: 15639 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a658f830 ffffffff81d906e9 ffff8801a658fb10 0000000000000000 ffff8801c8b19310 ffff8801a658fa00 ffff8801c8b19200 ffff8801a658fa28 ffffffff8165e307 ffff8801db321400 ffff8801a658f980 00000001aa393067 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 [] 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: 15661 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ce9a78c0 ffffffff81d906e9 ffff8801ce9a7ba0 0000000000000000 ffff8801c8b19310 ffff8801ce9a7a90 ffff8801c8b19200 ffff8801ce9a7ab8 ffffffff8165e307 0000000000000000 ffff8801ce9a7a10 00000001aa393067 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: 15658 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a78a7890 ffffffff81d906e9 ffff8801a78a7b70 0000000000000000 ffff8801c8b19310 ffff8801a78a7a60 ffff8801c8b19200 ffff8801a78a7a88 ffffffff8165e307 ffff8801cfe479c0 ffff8801a78a79e0 00000001aa393067 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 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname+0x19/0x20 fs/namei.c:208 [] do_sys_open+0x21d/0x4c0 fs/open.c:1066 [] SYSC_openat fs/open.c:1099 [inline] [] SyS_openat+0x30/0x40 fs/open.c:1093 [] entry_SYSCALL_64_fastpath+0x23/0xc6 device lo left promiscuous mode binder: 15715:15727 ERROR: BC_REGISTER_LOOPER called without request netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. binder: 15727 RLIMIT_NICE not set netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. binder: BINDER_SET_CONTEXT_MGR already set binder: 15715:15744 ioctl 40046207 0 returned -16 binder_alloc: 15715: binder_alloc_buf, no vma binder: 15715:15727 ERROR: BC_REGISTER_LOOPER called without request binder: 15715:15744 transaction failed 29189/-3, size 0-0 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 216, process died. binder: 15806:15807 ioctl c0086420 20ee6000 returned -22 binder: 15806:15807 ERROR: BC_REGISTER_LOOPER called without request SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=15819 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=15819 comm=syz-executor2 binder: 15806:15826 got transaction to invalid handle binder: 15806:15826 transaction failed 29201/-22, size 0-0 line 3007 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15842 comm=syz-executor2 keychord: keycode 16224 out of range SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=15842 comm=syz-executor2 binder: 15806:15855 ioctl c0086420 20ee6000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 15806:15826 ioctl 40046207 0 returned -16 binder: 15806:15855 ERROR: BC_REGISTER_LOOPER called without request SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=15861 comm=syz-executor2 keychord: keycode 16224 out of range SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15871 comm=syz-executor2 binder: undelivered TRANSACTION_ERROR: 29201 tmpfs: Bad mount option �� tmpfs: Bad mount option �� qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device gre0 entered promiscuous mode sg_write: data in/out 901092476/192 bytes for SCSI command 0x1b-- guessing data in; program syz-executor1 not setting count and/or reply_len properly IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device eql entered promiscuous mode device gre0 entered promiscuous mode devpts: called with bogus options devpts: called with bogus options binder_alloc: binder_alloc_mmap_handler: 16276 20005000-20009000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 16276:16277 ioctl 40046207 0 returned -16 devpts: called with bogus options binder: BINDER_SET_CONTEXT_MGR already set binder: 16276:16277 ioctl 40046207 0 returned -16 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder_alloc: binder_alloc_mmap_handler: 16276 20005000-20009000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 16276:16292 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 16276 20000000-20002000 already mapped failed -16 binder: 16311:16316 got reply transaction with no transaction stack binder: 16311:16316 transaction failed 29201/-71, size 2-1144397507205 line 2923 binder: release 16276:16277 transaction 223 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 223, target dead binder: 16311:16316 got reply transaction with no transaction stack binder: 16311:16316 transaction failed 29201/-71, size 2-1144397507205 line 2923 binder: BINDER_SET_CONTEXT_MGR already set binder: 16311:16320 ioctl 40046207 0 returned -16 devpts: called with bogus options binder: 16347:16356 tried to acquire reference to desc 0, got 1 instead binder: 16347:16356 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: 16347:16356 IncRefs 0 refcount change on invalid ref 0 ret -22 handle_userfault: 1 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 16357 Comm: syz-executor4 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c8caf740 ffffffff81d906e9 ffff8801c8cafa20 0000000000000000 ffff8801c8b18710 ffff8801c8caf910 ffff8801c8b18600 ffff8801c8caf938 ffffffff8165e307 ffffffff811eec95 ffff8801c8caf890 00000001c8b1f067 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 [] do_fcntl fs/fcntl.c:274 [inline] [] SYSC_fcntl fs/fcntl.c:372 [inline] [] SyS_fcntl+0x8fd/0xc70 fs/fcntl.c:357 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 16357 Comm: syz-executor4 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c8caf740 ffffffff81d906e9 ffff8801c8cafa20 0000000000000000 ffff8801cc068110 ffff8801c8caf910 ffff8801cc068000 ffff8801c8caf938 ffffffff8165e307 ffff8801c8caf798 ffff8801c8caf890 00000001cf04d067 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 [] do_fcntl fs/fcntl.c:274 [inline] [] SYSC_fcntl fs/fcntl.c:372 [inline] [] SyS_fcntl+0x8fd/0xc70 fs/fcntl.c:357 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 1 PID: 16366 Comm: syz-executor4 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a919f840 ffffffff81d906e9 ffff8801a919fb20 0000000000000000 ffff8801cc068110 ffff8801a919fa10 ffff8801cc068000 ffff8801a919fa38 ffffffff8165e307 ffffffff838a9178 ffff8801a919f990 00000001cf04d067 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 [] SYSC_fsetxattr fs/xattr.c:504 [inline] [] SyS_fsetxattr+0x130/0x190 fs/xattr.c:493 [] entry_SYSCALL_64_fastpath+0x23/0xc6 device eql entered promiscuous mode IPv6: Can't replace route, no match found 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 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 IPv6: Can't replace route, no match found sg_write: data in/out 327644/32 bytes for SCSI command 0x4-- guessing data in; program syz-executor5 not setting count and/or reply_len properly binder: 16645:16648 unknown command 2003446405 binder: 16645:16648 ioctl c0306201 20004fd0 returned -22 IPVS: length: 24 != 8 IPVS: Creating netns size=2536 id=21 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode 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