====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc3+ #221 Not tainted ------------------------------------------------------ syz-executor5/14467 is trying to acquire lock: (&tty->ldisc_sem){++++}, at: [<00000000bf8d2c69>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<000000000590fa65>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<000000000590fa65>] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&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 -> #5 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] locked_inode_to_wb_and_lock_list+0x253/0x8d0 fs/fs-writeback.c:297 inode_to_wb_and_lock_list fs/fs-writeback.c:323 [inline] inode_io_list_del+0x24/0x40 fs/fs-writeback.c:995 evict+0x211/0x920 fs/inode.c:540 iput_final fs/inode.c:1515 [inline] iput+0x7b9/0xaf0 fs/inode.c:1542 dentry_unlink_inode+0x4b0/0x5e0 fs/dcache.c:375 -> #4 ((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_register+0x1d/0x20 drivers/base/core.c:1905 tty_register_device_attr+0x422/0x740 drivers/tty/tty_io.c:2956 tty_port_register_device_attr_serdev+0x100/0x140 drivers/tty/tty_port.c:166 uart_add_one_port+0xa7a/0x15b0 drivers/tty/serial/serial_core.c:2783 serial8250_register_8250_port+0xfac/0x1990 drivers/tty/serial/8250/8250_core.c:1045 serial_pnp_probe+0x5e7/0xac0 drivers/tty/serial/8250/8250_pnp.c:480 pnp_device_probe+0x15f/0x250 drivers/pnp/driver.c:109 really_probe drivers/base/dd.c:424 [inline] driver_probe_device+0x71b/0xae0 drivers/base/dd.c:566 __driver_attach+0x181/0x1c0 drivers/base/dd.c:800 bus_for_each_dev+0x154/0x1e0 drivers/base/bus.c:313 driver_attach+0x3d/0x50 drivers/base/dd.c:819 bus_add_driver+0x466/0x620 drivers/base/bus.c:669 driver_register+0x1bf/0x3c0 drivers/base/driver.c:168 pnp_register_driver+0x75/0xa0 drivers/pnp/driver.c:272 serial8250_pnp_init+0x15/0x20 drivers/tty/serial/8250/8250_pnp.c:537 serial8250_init+0x8f/0x270 drivers/tty/serial/8250/8250_core.c:1122 do_one_initcall+0x9e/0x330 init/main.c:831 do_initcall_level init/main.c:897 [inline] do_initcalls init/main.c:905 [inline] do_basic_setup init/main.c:923 [inline] kernel_init_freeable+0x469/0x521 init/main.c:1071 kernel_init+0x13/0x172 init/main.c:998 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 -> #3 (&port->mutex){+.+.}: 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 uart_set_termios+0x8f/0x5b0 drivers/tty/serial/serial_core.c:1416 tty_set_termios+0x6d4/0xa40 drivers/tty/tty_ioctl.c:334 set_termios+0x377/0x6b0 drivers/tty/tty_ioctl.c:414 tty_mode_ioctl+0x9fb/0xb10 drivers/tty/tty_ioctl.c:749 n_tty_ioctl_helper+0x40/0x360 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x148/0x2d0 drivers/tty/n_tty.c:2435 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #2 (&tty->termios_rwsem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_write+0x87/0x120 kernel/locking/rwsem.c:70 n_tty_flush_buffer+0x21/0x320 drivers/tty/n_tty.c:357 tty_buffer_flush+0x29a/0x390 drivers/tty/tty_buffer.c:233 tty_ldisc_flush+0x25/0x70 drivers/tty/tty_ldisc.c:418 tty_port_close_start.part.4+0x1cd/0x4e0 drivers/tty/tty_port.c:603 tty_port_close_start drivers/tty/tty_port.c:646 [inline] tty_port_close+0x3f/0x80 drivers/tty/tty_port.c:640 uart_close+0x77/0x1d0 drivers/tty/serial/serial_core.c:1487 tty_release+0x446/0x14c0 drivers/tty/tty_io.c:1639 __fput+0x333/0x7f0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 -> #1 (&buf->lock){+.+.}: 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 tty_buffer_flush+0xbd/0x390 drivers/tty/tty_buffer.c:222 tty_ldisc_flush+0x25/0x70 drivers/tty/tty_ldisc.c:418 tty_port_close_start.part.4+0x1cd/0x4e0 drivers/tty/tty_port.c:603 tty_port_close_start drivers/tty/tty_port.c:646 [inline] tty_port_close+0x3f/0x80 drivers/tty/tty_port.c:640 uart_close+0x77/0x1d0 drivers/tty/serial/serial_core.c:1487 tty_release+0x446/0x14c0 drivers/tty/tty_io.c:1639 __fput+0x333/0x7f0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 -> #0 (&tty->ldisc_sem){++++}: 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 __ldsem_down_read_nested+0xd1/0xa90 drivers/tty/tty_ldsem.c:325 ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 tty_ldisc_ref_wait+0x25/0x80 drivers/tty/tty_ldisc.c:277 tty_read+0xf8/0x250 drivers/tty/tty_io.c:852 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x508/0xae0 fs/splice.c:416 do_splice_to+0x110/0x170 fs/splice.c:880 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x11a8/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: &tty->ldisc_sem --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(&tty->ldisc_sem); *** DEADLOCK *** 1 lock held by syz-executor5/14467: #0: (&pipe->mutex/1){+.+.}, at: [<000000000590fa65>] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [<000000000590fa65>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 1 PID: 14467 Comm: syz-executor5 Not tainted 4.15.0-rc3+ #221 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 __ldsem_down_read_nested+0xd1/0xa90 drivers/tty/tty_ldsem.c:325 ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 tty_ldisc_ref_wait+0x25/0x80 drivers/tty/tty_ldisc.c:277 tty_read+0xf8/0x250 drivers/tty/tty_io.c:852 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x508/0xae0 fs/splice.c:416 do_splice_to+0x110/0x170 fs/splice.c:880 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x11a8/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007fae16815c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 000000000000001a RSI: 0000000000000000 RDI: 0000000000000018 RBP: 0000000000000106 R08: 0000000000000200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ef930 R13: 00000000ffffffff R14: 00007fae168166d4 R15: 0000000000000000 RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? device gre0 entered promiscuous mode dccp_invalid_packet: P.Data Offset(0) too small dccp_invalid_packet: P.Data Offset(0) too small device gre0 entered promiscuous mode : renamed from syz0 binder: BINDER_SET_CONTEXT_MGR already set binder: 14651:14667 ioctl 40046207 0 returned -16 binder_alloc: 14651: binder_alloc_buf, no vma binder: 14651:14654 transaction failed 29189/-3, size 64-16 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 103, process died. kvm [14703]: vcpu1, guest rIP: 0xfff0 ignored wrmsr: 0x11e data 0x0 binder: 14797:14798 got transaction to invalid handle binder: 14797:14798 transaction failed 29201/-22, size 0-8 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 14797:14798 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 14797 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 14797 2055a000-2055c000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 14797:14816 ioctl 40046207 0 returned -16 binder: 14797:14798 got transaction to invalid handle binder: 14797:14798 transaction failed 29201/-22, size 0-8 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 14797:14819 ioctl 40046207 0 returned -16 binder_alloc: 14797: binder_alloc_buf, no vma binder: 14797:14819 transaction failed 29189/-3, size 0-0 line 2890 binder_alloc: binder_alloc_mmap_handler: 14797 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 14797 2055a000-2055c000 already mapped failed -16 binder: 14797:14798 ioctl c0306201 20006000 returned -14 RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? binder: undelivered TRANSACTION_ERROR: 29189 binder: release 14797:14798 transaction 110 out, still active binder: undelivered TRANSACTION_COMPLETE syz-executor7: vmalloc: allocation failure: 6806943192 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 1 PID: 14852 Comm: syz-executor7 Not tainted 4.15.0-rc3+ #221 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:3288 __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+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:927 sctp_setsockopt+0x2a0/0x5d50 net/sctp/socket.c:4056 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1829 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1808 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007fe02225cc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000017 RBP: 0000000000000066 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006eea30 R13: 00000000ffffffff R14: 00007fe02225d6d4 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:160721 inactive_anon:45 isolated_anon:0 active_file:3735 inactive_file:7617 isolated_file:0 unevictable:0 dirty:140 writeback:0 unstable:0 slab_reclaimable:9319 slab_unreclaimable:97367 mapped:22894 shmem:54 pagetables:1069 bounce:0 free:1323971 free_pcp:437 free_cma:0 Node 0 active_anon:642884kB inactive_anon:180kB active_file:14940kB inactive_file:30468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91576kB dirty:560kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 65536kB 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:2953180kB 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:2953948kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:756kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2326796kB min:37032kB low:46288kB high:55544kB active_anon:644944kB inactive_anon:180kB active_file:14940kB inactive_file:30468kB unevictable:0kB writepending:560kB present:4718592kB managed:3597640kB mlocked:0kB kernel_stack:4704kB pagetables:4276kB bounce:0kB free_pcp:992kB local_pcp:384kB 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: 3*4kB (M) 4*8kB (UM) 3*16kB (UM) 2*32kB (M) 3*64kB (UM) 3*128kB (M) 5*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 718*4096kB (M) = 2953180kB Node 0 Normal: 133*4kB (UME) 731*8kB (UME) 1214*16kB (UME) 1764*32kB (UME) 1483*64kB (UME) 170*128kB (UME) 34*256kB (UME) 53*512kB (UM) 11*1024kB (UME) 4*2048kB (UME) 506*4096kB (UM) = 2326796kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11405 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 324105 pages reserved RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? syz-executor7: vmalloc: allocation failure: 6806943192 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 0 PID: 14869 Comm: syz-executor7 Not tainted 4.15.0-rc3+ #221 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:3288 __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+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:927 sctp_setsockopt+0x2a0/0x5d50 net/sctp/socket.c:4056 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1829 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1808 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007fe022219c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758190 RCX: 0000000000452a39 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 000000000000001c RBP: 000000000000015e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006f0170 R13: 00000000ffffffff R14: 00007fe02221a6d4 R15: 0000000000000002 binder: send failed reply for transaction 110, target dead netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. selinux_nlmsg_perm: 4 callbacks suppressed SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=14994 comm=syz-executor6 netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=15032 comm=syz-executor6 netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. kauditd_printk_skb: 235 callbacks suppressed audit: type=1326 audit(1513299335.633:2338): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15098 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 device gre0 entered promiscuous mode audit: type=1326 audit(1513299335.737:2339): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15098 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 audit: type=1400 audit(1513299335.813:2340): avc: denied { dac_read_search } for pid=15133 comm="syz-executor4" capability=2 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=cap_userns permissive=1 device gre0 entered promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor5 not setting count and/or reply_len properly device gre0 entered promiscuous mode sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor5 not setting count and/or reply_len properly sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor5 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-executor5 not setting count and/or reply_len properly binder: 15338:15344 BC_DEAD_BINDER_DONE 0000000000000000 not found netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. binder: 15338:15361 BC_DEAD_BINDER_DONE 0000000000000000 not found netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. Started in network mode Own node address <57.1150.1038>, network identity 4711 netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor7'. binder: 15644:15649 got reply transaction with no transaction stack netlink: 17 bytes leftover after parsing attributes in process `syz-executor7'. binder: 15644:15649 transaction failed 29201/-71, size 32-8 line 2690 binder: 15644:15654 ioctl 404c534a 2000b000 returned -22 binder: 15644:15654 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 15654 RLIMIT_NICE not set binder: 15644:15654 ioctl c0306201 2000a000 returned -11 binder: 15644:15654 ioctl c0306201 20007000 returned -14 binder: 15644:15654 got new transaction with bad transaction stack, transaction 115 has target 15644:0 binder: 15644:15654 transaction failed 29201/-71, size 0-0 line 2802 sd 0:0:1:0: [sg0] tag#0 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#0 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#0 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 02 bb 4e 28 sd 0:0:1:0: [sg0] tag#0 CDB[10]: 4e 28 00 e1 b9 78 b4 c0 58 b3 cc 7a 22 67 7d bd sd 0:0:1:0: [sg0] tag#0 CDB[20]: 26 c2 a8 69 98 f8 01 16 89 53 e5 b8 06 36 08 47 sd 0:0:1:0: [sg0] tag#0 CDB[30]: 1f 05 71 6d b5 6b 86 71 34 93 42 ff 9f ba d3 fc sd 0:0:1:0: [sg0] tag#0 CDB[40]: 76 80 4e 76 a4 2d c3 ea 25 97 4b c3 f1 41 37 6a sd 0:0:1:0: [sg0] tag#0 CDB[50]: 90 ab ff 28 be 1d 98 fb 7b 32 25 77 64 c8 e1 2c sd 0:0:1:0: [sg0] tag#0 CDB[60]: c8 85 56 32 21 88 e9 eb 3d 6c 64 4d fe 2c 1a e1 sd 0:0:1:0: [sg0] tag#0 CDB[70]: 25 bd b8 57 a3 a3 52 cd 75 50 b9 c5 9d 6b b2 c8 sd 0:0:1:0: [sg0] tag#0 CDB[80]: ae 00 dd 76 09 a8 e1 d6 d8 20 dd f5 2e b4 f6 1f sd 0:0:1:0: [sg0] tag#0 CDB[90]: 90 21 62 1a 55 58 58 a7 de 20 b6 1a bf 0b d2 3e sd 0:0:1:0: [sg0] tag#0 CDB[a0]: 0d 5e af 24 e0 de 58 de e0 77 eb be 96 40 33 b6 sd 0:0:1:0: [sg0] tag#0 CDB[b0]: ee ab c3 71 39 ac 49 f8 fd b8 10 7d f6 90 ed 55 sd 0:0:1:0: [sg0] tag#0 CDB[c0]: 80 ce da 56 51 04 89 ff 24 94 99 e0 4b 95 98 b9 sd 0:0:1:0: [sg0] tag#0 CDB[d0]: 13 ab 43 e6 fd 55 a3 9a bb 32 dd 50 ea 6a 84 8e sd 0:0:1:0: [sg0] tag#0 CDB[e0]: 2a 16 c6 0b c8 a3 eb df 6e c0 62 97 7a 3a 2b binder: 15644:15654 got reply transaction with no transaction stack binder: 15644:15654 transaction failed 29201/-71, size 32-8 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 15644:15669 ioctl 40046207 0 returned -16 binder: 15644:15669 ioctl 404c534a 2000b000 returned -22 binder: 15644:15654 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 15654 RLIMIT_NICE not set binder: 15644:15654 ioctl c0306201 2000a000 returned -11 binder_alloc: 15644: binder_alloc_buf, no vma binder: 15644:15654 transaction failed 29189/-3, size 0-0 line 2890 binder: 15644:15654 ioctl c0306201 20007000 returned -14 netlink: 'syz-executor2': attribute type 2 has an invalid length. netlink: 'syz-executor2': attribute type 2 has an invalid length. binder: release 15644:15654 transaction 115 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 115, target dead binder: undelivered TRANSACTION_ERROR: 29189 device gre0 entered promiscuous mode RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 rfkill: input handler disabled rfkill: input handler enabled binder: 16012:16017 ioctl 1 20000000 returned -22 binder: 16012:16017 ERROR: BC_REGISTER_LOOPER called without request binder: 16012:16017 got transaction to invalid handle binder: 16012:16017 transaction failed 29201/-22, size 88-24 line 2775 binder: 16012:16017 ioctl c0306201 20900fd0 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 16012:16061 ioctl 1 20000000 returned -22 binder_alloc: 16012: binder_alloc_buf, no vma binder: 16012:16061 ERROR: BC_REGISTER_LOOPER called without request binder: 16012:16061 got transaction to invalid handle binder: 16012:16061 transaction failed 29201/-22, size 88-24 line 2775 binder: 16012:16017 ioctl 40046207 0 returned -16 binder: 16012:16039 transaction failed 29189/-3, size 0-0 line 2890 binder: 16012:16039 ioctl c0306201 20007000 returned -14 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 16012:16017 transaction 120 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 120, target dead binder: undelivered TRANSACTION_ERROR: 29201 audit: type=1400 audit(1513299339.967:2341): avc: denied { write } for pid=16138 comm="syz-executor2" path="socket:[56125]" dev="sockfs" ino=56125 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=16196 comm=syz-executor4 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=16162 comm=syz-executor4 device gre0 entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 16289: binder_alloc_buf, no vma binder: 16289:16296 ioctl 40046207 0 returned -16 nla_parse: 7 callbacks suppressed netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. kvm [16334]: vcpu0, guest rIP: 0xfff0 kvm_set_msr_common: MSR_IA32_DEBUGCTLMSR 0x2, nop binder: 16289:16313 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. kvm [16334]: vcpu0, guest rIP: 0xfff0 kvm_set_msr_common: MSR_IA32_DEBUGCTLMSR 0x2, nop binder: release 16289:16296 transaction 125 out, still active binder: undelivered TRANSACTION_COMPLETE netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. binder: send failed reply for transaction 125, target dead