====================================================== WARNING: possible circular locking dependency detected 4.13.0-mm1+ #7 Not tainted ------------------------------------------------------ loop0/3301 is trying to acquire lock: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:712 [inline] (&sb->s_type->i_mutex_key#9){++++}, at: [] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3141 but now in release context of a crosslock acquired at the following: ((complete)&ret.event){+.+.}, at: [] submit_bio_wait+0x15e/0x200 block/bio.c:953 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 ((complete)&ret.event){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 complete_acquire include/linux/completion.h:39 [inline] __wait_for_common kernel/sched/completion.c:108 [inline] wait_for_common_io kernel/sched/completion.c:128 [inline] wait_for_completion_io+0xc8/0x770 kernel/sched/completion.c:176 submit_bio_wait+0x15e/0x200 block/bio.c:953 blkdev_issue_zeroout+0x13c/0x1d0 block/blk-lib.c:370 sb_issue_zeroout include/linux/blkdev.h:1367 [inline] ext4_init_inode_table+0x4fd/0xdb1 fs/ext4/ialloc.c:1447 ext4_run_li_request fs/ext4/super.c:2866 [inline] ext4_lazyinit_thread+0x81a/0xd40 fs/ext4/super.c:2960 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #3 (&meta_group_info[i]->alloc_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 down_read+0x96/0x150 kernel/locking/rwsem.c:23 __ext4_new_inode+0x26dc/0x4f00 fs/ext4/ialloc.c:1056 ext4_symlink+0x2d9/0xae0 fs/ext4/namei.c:3118 vfs_symlink+0x323/0x560 fs/namei.c:4115 SYSC_symlinkat fs/namei.c:4142 [inline] SyS_symlinkat fs/namei.c:4122 [inline] SYSC_symlink fs/namei.c:4155 [inline] SyS_symlink+0x134/0x200 fs/namei.c:4153 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #2 (jbd2_handle){.+.+}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 start_this_handle+0x4b8/0x1080 fs/jbd2/transaction.c:390 jbd2__journal_start+0x389/0x9f0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x15f/0x550 fs/ext4/ext4_jbd2.c:80 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x56/0xa0 fs/ext4/inode.c:5859 __mark_inode_dirty+0x912/0x1170 fs/fs-writeback.c:2096 generic_update_time+0x1b2/0x270 fs/inode.c:1649 update_time fs/inode.c:1665 [inline] touch_atime+0x26d/0x2f0 fs/inode.c:1737 file_accessed include/linux/fs.h:2061 [inline] ext4_file_mmap+0x161/0x1b0 fs/ext4/file.c:352 call_mmap include/linux/fs.h:1775 [inline] mmap_region+0xa99/0x15a0 mm/mmap.c:1690 do_mmap+0x6a1/0xd50 mm/mmap.c:1468 do_mmap_pgoff include/linux/mm.h:2151 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1518 [inline] SyS_mmap_pgoff+0x462/0x5f0 mm/mmap.c:1476 SYSC_mmap arch/x86/kernel/sys_x86_64.c:99 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:90 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #1 (&mm->mmap_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __might_fault+0x13a/0x1d0 mm/memory.c:4502 _copy_to_user+0x2c/0xc0 lib/usercopy.c:24 copy_to_user include/linux/uaccess.h:154 [inline] filldir+0x1a7/0x320 fs/readdir.c:196 dir_emit_dot include/linux/fs.h:3341 [inline] dir_emit_dots include/linux/fs.h:3352 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:193 iterate_dir+0x4b2/0x5d0 fs/readdir.c:51 SYSC_getdents fs/readdir.c:231 [inline] SyS_getdents+0x225/0x450 fs/readdir.c:212 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #0 (&sb->s_type->i_mutex_key#9){++++}: down_write+0x87/0x120 kernel/locking/rwsem.c:53 inode_lock include/linux/fs.h:712 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3141 call_write_iter include/linux/fs.h:1770 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:673 do_iter_write+0x15a/0x540 fs/read_write.c:952 vfs_iter_write+0x77/0xb0 fs/read_write.c:965 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#9 --> &meta_group_info[i]->alloc_sem --> (complete)&ret.event Possible unsafe locking scenario by crosslock: CPU0 CPU1 ---- ---- lock(&meta_group_info[i]->alloc_sem); lock((complete)&ret.event); lock(&sb->s_type->i_mutex_key#9); unlock((complete)&ret.event); *** DEADLOCK *** 1 lock held by loop0/3301: #0: (&x->wait#14){..-.}, at: [] complete+0x18/0x80 kernel/sched/completion.c:34 stack backtrace: CPU: 0 PID: 3301 Comm: loop0 Not tainted 4.13.0-mm1+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259 check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 commit_xhlock kernel/locking/lockdep.c:5015 [inline] commit_xhlocks kernel/locking/lockdep.c:5059 [inline] lock_commit_crosslock+0xe73/0x1d10 kernel/locking/lockdep.c:5098 complete_release_commit include/linux/completion.h:49 [inline] complete+0x24/0x80 kernel/sched/completion.c:39 submit_bio_wait_endio+0x9c/0xd0 block/bio.c:930 bio_endio+0x2f8/0x8d0 block/bio.c:1843 req_bio_endio block/blk-core.c:204 [inline] blk_update_request+0x2a6/0xe20 block/blk-core.c:2743 blk_mq_end_request+0x54/0x120 block/blk-mq.c:509 lo_complete_rq+0xbe/0x1f0 drivers/block/loop.c:463 __blk_mq_complete_request+0x38f/0x6c0 block/blk-mq.c:550 blk_mq_complete_request+0x4f/0x60 block/blk-mq.c:570 loop_handle_cmd drivers/block/loop.c:1710 [inline] loop_queue_work+0x26b/0x3900 drivers/block/loop.c:1719 kthread_worker_fn+0x340/0x9b0 kernel/kthread.c:635 loop_kthread_worker_fn+0x51/0x60 drivers/block/loop.c:836 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) QAT: Invalid ioctl device syz5 entered promiscuous mode QAT: Invalid ioctl device syz5 left promiscuous mode device syz5 entered promiscuous mode program syz-executor5 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 program syz-executor5 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 mmap: syz-executor2 (3503) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. capability: warning: `syz-executor5' uses 32-bit capabilities (legacy support in use) audit: type=1326 audit(1505766594.847:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3289 comm="syz-executor0" exe="/root/syz-executor0" sig=9 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0x0 raw_sendmsg: syz-executor6 forgot to set AF_INET. Fix it! tc_dump_action: action bad kind RDS: rds_bind could not find a transport for 172.20.3.187, load rds_tcp or rds_rdma? tc_dump_action: action bad kind RDS: rds_bind could not find a transport for 172.20.3.187, load rds_tcp or rds_rdma? netlink: 72 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 72 bytes leftover after parsing attributes in process `syz-executor1'. syz-executor2: vmalloc: allocation failure: 12817793024 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor2 cpuset=/ mems_allowed=0 CPU: 1 PID: 3743 Comm: syz-executor2 Not tainted 4.13.0-mm1+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:686 do_replace net/ipv4/netfilter/ip_tables.c:1130 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1664 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:1251 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2404 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x451e59 RSP: 002b:00007f2b1572dc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000005d20 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000216 R12: 00000000004bb8c6 R13: 00000000ffffffff R14: 000000000000005e R15: 0000000020000000 Mem-Info: active_anon:90642 inactive_anon:32 isolated_anon:0 active_file:3389 inactive_file:4205 isolated_file:0 unevictable:0 dirty:2781 writeback:0 unstable:0 slab_reclaimable:5820 slab_unreclaimable:88071 mapped:20624 shmem:40 pagetables:851 bounce:0 free:1416616 free_pcp:429 free_cma:0 Node 0 active_anon:362568kB inactive_anon:128kB active_file:13556kB inactive_file:16820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:82496kB dirty:11124kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 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 kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2886 6399 6399 Node 0 DMA32 free:2957304kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958156kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:848kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2693252kB min:37008kB low:46260kB high:55512kB active_anon:362568kB inactive_anon:128kB active_file:13556kB inactive_file:37696kB unevictable:0kB writepending:11124kB present:4718592kB managed:3597444kB mlocked:0kB kernel_stack:4128kB pagetables:3404kB bounce:0kB free_pcp:868kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 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 Node 0 DMA32: 4*4kB (M) 3*8kB (UM) 3*16kB (UM) 1*32kB (M) 4*64kB (UM) 3*128kB (M) 3*256kB (UM) 5*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 719*4096kB (M) = 2957304kB Node 0 Normal: 2447*4kB (UME) 4348*8kB (UME) 2714*16kB (UME) 1675*32kB (UME) 951*64kB (UME) 117*128kB (UME) 3*256kB (UM) 2*512kB (UM) 2*1024kB (UE) 3*2048kB (ME) 602*4096kB (M) = 2693212kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 7633 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 323102 pages reserved audit: type=1326 audit(1505766597.734:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3818 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 audit: type=1326 audit(1505766597.844:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3818 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. capability: warning: `syz-executor6' uses deprecated v2 capabilities in a way that may be insecure netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. dccp_v4_rcv: dropped packet with invalid checksum dccp_v4_rcv: dropped packet with invalid checksum SELinux: failure in selinux_parse_skb(), unable to parse packet device gre0 entered promiscuous mode SELinux: failure in selinux_parse_skb(), unable to parse packet device lo entered promiscuous mode kvm [4006]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008f kvm [4006]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008e kvm [4006]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008d kvm [4006]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008c audit: type=1326 audit(1505766598.499:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4033 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 sctp: [Deprecated]: syz-executor7 (pid 4089) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor7 (pid 4089) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 sock: sock_set_timeout: `syz-executor5' (pid 4107) tries to set negative timeout dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 device lo entered promiscuous mode sock: sock_set_timeout: `syz-executor5' (pid 4135) tries to set negative timeout audit: type=1326 audit(1505766598.765:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4033 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 device syz1 entered promiscuous mode device syz1 left promiscuous mode device syz1 entered promiscuous mode device syz1 left promiscuous mode sctp: [Deprecated]: syz-executor7 (pid 4320) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device syz6 entered promiscuous mode sctp: [Deprecated]: syz-executor7 (pid 4336) Use of int in maxseg socket option. Use struct sctp_assoc_value instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl BUG: sleeping function called from invalid context at ./include/linux/uaccess.h:71 in_atomic(): 1, irqs_disabled(): 0, pid: 4378, name: syz-executor1 INFO: lockdep is turned off. CPU: 1 PID: 4378 Comm: syz-executor1 Not tainted 4.13.0-mm1+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6015 __might_sleep+0x95/0x190 kernel/sched/core.c:5968 __might_fault+0xab/0x1d0 mm/memory.c:4499 __copy_from_user include/linux/uaccess.h:71 [inline] paging32_walk_addr_generic+0x427/0x1d80 arch/x86/kvm/paging_tmpl.h:369 paging32_walk_addr arch/x86/kvm/paging_tmpl.h:475 [inline] paging32_gva_to_gpa+0xa5/0x230 arch/x86/kvm/paging_tmpl.h:913 kvm_read_guest_virt_helper+0xd8/0x140 arch/x86/kvm/x86.c:4436 kvm_read_guest_virt_system+0x3c/0x50 arch/x86/kvm/x86.c:4503 segmented_read_std+0x10c/0x180 arch/x86/kvm/emulate.c:822 em_fxrstor+0x27b/0x410 arch/x86/kvm/emulate.c:4025 x86_emulate_insn+0x55d/0x3cf0 arch/x86/kvm/emulate.c:5483 x86_emulate_instruction+0x411/0x1ca0 arch/x86/kvm/x86.c:5735 kvm_mmu_page_fault+0x1b0/0x2f0 arch/x86/kvm/mmu.c:4956 handle_ept_violation+0x194/0x540 arch/x86/kvm/vmx.c:6502 vmx_handle_exit+0x24b/0x1a60 arch/x86/kvm/vmx.c:8823 vcpu_enter_guest arch/x86/kvm/x86.c:7038 [inline] vcpu_run arch/x86/kvm/x86.c:7100 [inline] kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 arch/x86/kvm/x86.c:7261 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x451e59 RSP: 002b:00007ff08fd65c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000018 RBP: 0000000000005d80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004bb940 R13: 00000000ffffffff R14: 0000000000000006 R15: 0000000000000018 print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, lost async page write print_req_error: I/O error, dev loop3, sector 8 Buffer I/O error on dev loop3, logical block 1, lost async page write print_req_error: I/O error, dev loop3, sector 16 Buffer I/O error on dev loop3, logical block 2, lost async page write print_req_error: I/O error, dev loop3, sector 24 Buffer I/O error on dev loop3, logical block 3, lost async page write print_req_error: I/O error, dev loop3, sector 32 Buffer I/O error on dev loop3, logical block 4, lost async page write print_req_error: I/O error, dev loop3, sector 40 Buffer I/O error on dev loop3, logical block 5, lost async page write print_req_error: I/O error, dev loop3, sector 48 Buffer I/O error on dev loop3, logical block 6, lost async page write print_req_error: I/O error, dev loop3, sector 56 Buffer I/O error on dev loop3, logical block 7, lost async page write print_req_error: I/O error, dev loop3, sector 64 Buffer I/O error on dev loop3, logical block 8, lost async page write print_req_error: I/O error, dev loop3, sector 72 Buffer I/O error on dev loop3, logical block 9, lost async page write hrtimer: interrupt took 17458 ns ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) nla_parse: 3 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. *** Guest State *** CR0: actual=0x0000000080010031, shadow=0x0000000060010011, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000000 RIP = 0x000000000000fff0 RFLAGS=0x00000100 DR7 = 0x00000000000005b5 Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x000001ff, base=0x0000000000003800 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811b8bff RSP = 0xffff8801c83c74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f7085c58700 GSBase=ffff8801db200000 TRBase=ffff8801db223100 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c845c000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d450b0 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=0000004b EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffdfaa00d43f TPR Threshold = 0x00 EPT pointer = 0x0000000199b2101e netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. QAT: Invalid ioctl QAT: Invalid ioctl netlink: 21 bytes leftover after parsing attributes in process `syz-executor1'. PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex netlink: 21 bytes leftover after parsing attributes in process `syz-executor1'. sctp: [Deprecated]: syz-executor2 (pid 4926) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead 9pnet_virtio: no channels available for device ./bus netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. 9pnet_virtio: no channels available for device ./bus sctp: [Deprecated]: syz-executor2 (pid 4949) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. Bearer <÷˙> rejected, not supported in standalone mode Bearer <÷˙> rejected, not supported in standalone mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48840 sclass=netlink_route_socket pig=4994 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48840 sclass=netlink_route_socket pig=4994 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=5029 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5044 comm=syz-executor0 TCP: tcp_parse_options: Illegal window scaling value 32 > 14 received TCP: tcp_parse_options: Illegal window scaling value 32 > 14 received RDS: rds_bind could not find a transport for 172.20.3.187, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 QAT: Invalid ioctl QAT: Invalid ioctl device syz4 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl 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 sctp: [Deprecated]: syz-executor6 (pid 5303) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead Bearer <÷˙> rejected, not supported in standalone mode Bearer <÷˙> rejected, not supported in standalone mode audit: type=1326 audit(1505766604.309:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5454 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 audit: type=1326 audit(1505766604.369:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5454 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x451e59 code=0xffff0000 device üo entered promiscuous mode device gre0 entered promiscuous mode device üo left promiscuous mode