====================================================== WARNING: possible circular locking dependency detected 4.14.0-next-20171124+ #51 Not tainted ------------------------------------------------------ syz-executor0/15360 is trying to acquire lock: (console_lock){+.+.}, at: [] vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&pipe->mutex/1){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #2 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] fast_dput fs/dcache.c:688 [inline] dput.part.23+0x492/0x830 fs/dcache.c:795 -> #1 ((completion)&req.done){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 complete_acquire include/linux/completion.h:40 [inline] __wait_for_common kernel/sched/completion.c:109 [inline] wait_for_common kernel/sched/completion.c:123 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115 device_add+0x120f/0x1640 drivers/base/core.c:1824 device_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430 device_create_vargs drivers/base/core.c:2470 [inline] device_create+0xda/0x110 drivers/base/core.c:2506 vcs_make_sysfs+0x35/0x60 drivers/tty/vt/vc_screen.c:629 vc_allocate+0x4b7/0x6b0 drivers/tty/vt/vt.c:797 con_install+0x52/0x440 drivers/tty/vt/vt.c:2876 tty_driver_install_tty drivers/tty/tty_io.c:1215 [inline] tty_init_dev+0xf6/0x4a0 drivers/tty/tty_io.c:1315 tty_open_by_driver drivers/tty/tty_io.c:1942 [inline] tty_open+0x608/0xab0 drivers/tty/tty_io.c:1990 chrdev_open+0x257/0x730 fs/char_dev.c:417 do_dentry_open+0x682/0xd70 fs/open.c:752 vfs_open+0x107/0x230 fs/open.c:866 do_last fs/namei.c:3388 [inline] path_openat+0x1157/0x3530 fs/namei.c:3528 do_filp_open+0x25b/0x3b0 fs/namei.c:3563 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #0 (console_lock){+.+.}: check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xfe/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: console_lock --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(console_lock); *** DEADLOCK *** 1 lock held by syz-executor0/15360: #0: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 0 PID: 15360 Comm: syz-executor0 Not tainted 4.14.0-next-20171124+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 print_circular_bug+0x42d/0x610 kernel/locking/lockdep.c:1271 check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914 check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xfe/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007fe63286abe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000013 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 0000000000000086 R08: 00000000fffff5fc R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2608 R13: 00000000ffffffff R14: 00007fe63286b6d4 R15: 0000000000000000 RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route RDS: rds_bind could not find a transport for 0.0.0.7, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15396 comm=syz-executor5 RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 0.0.0.7, load rds_tcp or rds_rdma? netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE audit: type=1326 audit(1511513051.326:2174): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.326:2175): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.328:2176): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=150 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.328:2177): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.328:2178): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.330:2179): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=257 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513051.330:2180): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=15410 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. IPv6: NLM_F_REPLACE set, but no existing node found! netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. IPv6: NLM_F_REPLACE set, but no existing node found! QAT: Device 0 not found QAT: Device 0 not found sctp: [Deprecated]: syz-executor6 (pid 15489) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device syz0 entered promiscuous mode device syz0 left promiscuous mode device syz0 entered promiscuous mode sctp: [Deprecated]: syz-executor6 (pid 15515) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device syz0 left promiscuous mode syz-executor4: vmalloc: allocation failure: 12550406144 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) Empty option to dns_resolver key RDS: rds_bind could not find a transport for 172.20.6.170, load rds_tcp or rds_rdma? syz-executor4 cpuset=/ mems_allowed=0 CPU: 1 PID: 15543 Comm: syz-executor4 Not tainted 4.14.0-next-20171124+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor4: vmalloc: allocation failure: 12550406144 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor4 cpuset=/ mems_allowed=0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3294 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:685 do_replace net/ipv4/netfilter/ip_tables.c:1148 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1682 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1256 raw_setsockopt+0xb7/0xd0 net/ipv4/raw.c:850 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1851 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1830 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f14a1e00be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000018 RBP: 00000000000004f7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020002000 R11: 0000000000000212 R12: 00000000006f47c8 R13: 00000000ffffffff R14: 00007f14a1e016d4 R15: 0000000000000000 CPU: 0 PID: 15558 Comm: syz-executor4 Not tainted 4.14.0-next-20171124+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3294 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:142667 inactive_anon:81 isolated_anon:0 active_file:3728 inactive_file:8552 isolated_file:0 unevictable:2 dirty:90 writeback:0 unstable:0 slab_reclaimable:7596 slab_unreclaimable:102999 mapped:22856 shmem:244 pagetables:980 bounce:0 free:1342572 free_pcp:373 free_cma:0 Node 0 active_anon:570668kB inactive_anon:324kB active_file:14912kB inactive_file:34208kB unevictable:8kB isolated(anon):0kB isolated(file):0kB mapped:91424kB dirty:360kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 34816kB 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 2882 6395 6395 Node 0 DMA32 free:2953236kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2954000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:764kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 3513 3513 Node 0 Normal free:2401144kB min:37032kB low:46288kB high:55544kB active_anon:570668kB inactive_anon:324kB active_file:14912kB inactive_file:34208kB unevictable:8kB writepending:360kB present:4718592kB managed:3597644kB mlocked:0kB kernel_stack:4736kB pagetables:3920kB bounce:0kB free_pcp:728kB local_pcp:552kB free_cma:0kB lowmem_reserve[]: 0 0 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 0 0 Node 0 DMA: 1*4kB (U) 0*8kB kvmalloc_node+0x82/0xd0 mm/util.c:406 0*16kB 1*32kB (U) 2*64kB (U) kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 1*128kB (U) 1*256kB translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:685 (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 5*4kB (M) 2*8kB (UM) 7*16kB (UM) 2*32kB (M) 5*64kB (UM) 2*128kB (M) 5*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 718*4096kB (M) do_replace net/ipv4/netfilter/ip_tables.c:1148 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1682 = 2953236kB Node 0 Normal: 1012*4kB (UME) 376*8kB (UME) 414*16kB (UME) 778*32kB (UME) 1099*64kB (UME) 280*128kB (UM) 232*256kB (UM) 25*512kB (UME) 9*1024kB (UME) 4*2048kB (UM) 529*4096kB (UM) nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 = 2401136kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12525 total pagecache pages 0 pages in swap cache ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1256 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly raw_setsockopt+0xb7/0xd0 net/ipv4/raw.c:850 324091 pages reserved sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1851 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1830 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f14a1dbebe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758190 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001e RBP: 0000000000a6f880 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020002000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007f14a1dbf9c0 R15: 0000000000000002 Empty option to dns_resolver key device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=15575 comm=syz-executor1 RDS: rds_bind could not find a transport for 172.20.6.170, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=15575 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=15601 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=15617 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=15622 comm=syz-executor1 QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 16 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=66 sclass=netlink_tcpdiag_socket pig=16104 comm=syz-executor6 netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=66 sclass=netlink_tcpdiag_socket pig=16104 comm=syz-executor6 netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. kvm: pic: level sensitive irq not supported dccp_invalid_packet: P.Data Offset(4) too small dccp_invalid_packet: P.Data Offset(4) too small QAT: Invalid ioctl QAT: Invalid ioctl kvm: pic: level sensitive irq not supported dccp_invalid_packet: P.Data Offset(4) too small kauditd_printk_skb: 37 callbacks suppressed audit: type=1326 audit(1511513056.458:2218): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16244 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 dccp_invalid_packet: P.Data Offset(4) too small netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1326 audit(1511513056.624:2219): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16244 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 audit: type=1326 audit(1511513056.646:2220): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1326 audit(1511513056.646:2221): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513056.652:2222): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=2 compat=0 ip=0x40cbb1 code=0x7ffc0000 audit: type=1326 audit(1511513056.652:2223): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513056.652:2224): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513056.652:2225): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=157 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513056.653:2226): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511513056.653:2227): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=16270 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready rfkill: input handler disabled IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready rfkill: input handler enabled sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor4 not setting count and/or reply_len properly sg_write: data in/out 262364/221 bytes for SCSI command 0xff-- guessing data in; program syz-executor4 not setting count and/or reply_len properly sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor4 not setting count and/or reply_len properly sg_write: data in/out 262364/221 bytes for SCSI command 0xff-- guessing data in; program syz-executor4 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=6 nlmsg_type=8 sclass=netlink_xfrm_socket pig=16418 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=8 sclass=netlink_xfrm_socket pig=16438 comm=syz-executor5 futex_wake_op: syz-executor1 tries to shift op by 4031; fix this program futex_wake_op: syz-executor1 tries to shift op by 4031; fix this program RDS: rds_bind could not find a transport for 172.20.5.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.5.170, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15685 sclass=netlink_route_socket pig=16594 comm=syz-executor3 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15685 sclass=netlink_route_socket pig=16594 comm=syz-executor3 sctp: [Deprecated]: syz-executor7 (pid 16614) Use of int in max_burst socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor7 (pid 16609) Use of int in max_burst socket option. Use struct sctp_assoc_value instead kvm: apic: phys broadcast and lowest prio kvm: vcpu 2: requested 68374 ns lapic timer period limited to 500000 ns RDS: rds_bind could not find a transport for 172.20.0.187, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.0.187, load rds_tcp or rds_rdma? kvm [16831]: vcpu0, guest rIP: 0xfff0 ignored wrmsr: 0x11e data 0x0 device eql entered promiscuous mode kvm [16831]: vcpu0, guest rIP: 0xfff0 ignored wrmsr: 0x11e data 0x0 RDS: rds_bind could not find a transport for 172.20.3.170, load rds_tcp or rds_rdma? tmpfs: No value for mount option 'I' tmpfs: No value for mount option 'I' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=64 sclass=netlink_xfrm_socket pig=17120 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=64 sclass=netlink_xfrm_socket pig=17120 comm=syz-executor3