binder: 6391:6393 transaction failed 29189/-22, size -1939563849970379251--3120025010557080190 line 3119 binder: 6394:6395 transaction failed 29189/-22, size -1939563849970379251--3120025010557080190 line 3119 binder: 6394:6396 transaction failed 29189/-22, size -1939563849970379251--3120025010557080190 line 3119 binder: 6397:6398 transaction failed 29189/-22, size -1939563849970379251--3120025010557080190 line 3119 binder: 6397:6399 transaction failed 29189/-22, size -1939563849970379251--3120025010557080190 line 3119 INFO: task init:21070 blocked for more than 140 seconds. Not tainted 4.9.184+ #5 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D28584 21070 1 0x00000000 0000000000000087 ffff880198ee0000 0000000000000000 ffff8801db621000 ffffffff83031180 ffff8801db621018 ffff880198f27758 ffffffff8280a5ce ffff880198ee08c8 ffff880198ee08a0 00ff880198ee08d0 ffff8801db6218f0 Call Trace: [<000000002e120ef5>] schedule+0x92/0x1c0 kernel/sched/core.c:3546 [<00000000ced14bc1>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3579 [<000000009b0e2d42>] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [<000000009b0e2d42>] mutex_lock_nested+0x38d/0x920 kernel/locking/mutex.c:621 [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 [<000000004a226b87>] chrdev_open+0x230/0x630 fs/char_dev.c:398 [<0000000033053dc5>] do_dentry_open+0x422/0xd20 fs/open.c:772 [<00000000ef268e3d>] vfs_open+0x105/0x230 fs/open.c:885 [<000000005ba2d984>] do_last fs/namei.c:3457 [inline] [<000000005ba2d984>] path_openat+0xbf5/0x2f60 fs/namei.c:3581 [<00000000390ed7dc>] do_filp_open+0x1a1/0x280 fs/namei.c:3615 [<00000000f1086f23>] do_sys_open+0x2f0/0x610 fs/open.c:1078 [<0000000043a48896>] SYSC_open fs/open.c:1096 [inline] [<0000000043a48896>] SyS_open+0x2d/0x40 fs/open.c:1091 [<000000005a341b24>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ef169fd2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [<0000000058c2b205>] check_hung_uninterruptible_tasks kernel/hung_task.c:169 [inline] #0: (rcu_read_lock){......}, at: [<0000000058c2b205>] watchdog+0x14b/0xaf0 kernel/hung_task.c:263 #1: (tasklist_lock){.+.+..}, at: [<000000007c9a3473>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4336 1 lock held by rsyslogd/1895: #0: (&f->f_pos_lock){+.+.+.}, at: [<00000000a472c648>] __fdget_pos+0xa8/0xd0 fs/file.c:782 2 locks held by getty/2022: #0: (&tty->ldisc_sem){++++++}, at: [<00000000fcf1e27f>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+...}, at: [<00000000b3915da6>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156 1 lock held by init/21070: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 1 lock held by init/21071: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 1 lock held by init/21072: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 1 lock held by init/21073: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 1 lock held by init/21074: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 1 lock held by init/21075: #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline] #0: (tty_mutex){+.+.+.}, at: [<00000000d64c2a8f>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.184+ #5 ffff8801d98d7cc8 ffffffff81b580a1 0000000000000001 0000000000000000 0000000000000001 ffffffff81099a01 dffffc0000000000 ffff8801d98d7d00 ffffffff81b6333c 0000000000000001 0000000000000000 0000000000000001 Call Trace: [<00000000d049b867>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d049b867>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000442a28c1>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99 [<000000000e5b8853>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60 [<00000000e99b66c7>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [<00000000f39b5efe>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [<00000000f39b5efe>] check_hung_task kernel/hung_task.c:126 [inline] [<00000000f39b5efe>] check_hung_uninterruptible_tasks kernel/hung_task.c:183 [inline] [<00000000f39b5efe>] watchdog+0x670/0xaf0 kernel/hung_task.c:263 [<000000009147ae4b>] kthread+0x278/0x310 kernel/kthread.c:211 [<000000005089ede1>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6400 Comm: syz-executor713 Not tainted 4.9.184+ #5 task: 00000000b46949f8 task.stack: 00000000c2a6ff3a RIP: 0010:[] c [<00000000e5a46bb4>] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] c [<00000000e5a46bb4>] avc_search_node security/selinux/avc.c:581 [inline] RIP: 0010:[] c [<00000000e5a46bb4>] avc_lookup+0x5e/0x1a0 security/selinux/avc.c:610 RSP: 0018:ffff88014addf858 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 00000000000001b3 RCX: 1ffffffff05d1c80 RDX: 1ffffffff0847fd3 RSI: ffffffff819ff06a RDI: ffffffff8423fe98 RBP: ffff88014addf880 R08: 0000000000000000 R09: ffff88014add38c8 R10: ffff88014add38a8 R11: 0000000000000001 R12: 0000000000000040 R13: 00000000000000cf R14: 00000000000000cf R15: 0000000000000004 FS: 0000000001ca7880(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ae75d CR3: 0000000176619000 CR4: 00000000001606b0 Stack: ffff88014addf9d8c 0000000001000000c 00000000000000cfc 00000000000000cfc 0000000000000004c ffff88014addf980c ffffffff81a030b4c ffffffff81a0305ec 0000000000000000c 0000000000000001c 000000000000007ac 1ffff100295bbf17c Call Trace: [<00000000da4e43ae>] avc_has_perm_noaudit+0xf4/0x300 security/selinux/avc.c:1110 [<0000000001e424db>] cred_has_capability+0x138/0x2a0 security/selinux/hooks.c:1688 [<0000000066b39de0>] selinux_capable+0x36/0x40 security/selinux/hooks.c:2200 [<00000000cecd679f>] security_capable_noaudit+0x85/0xc0 security/security.c:195 [<00000000ac5eeb2d>] has_ns_capability_noaudit+0xc1/0x1d0 kernel/capability.c:341 [<0000000098cdb620>] has_capability_noaudit+0x25/0x30 kernel/capability.c:361 [<000000007c3da419>] __set_oom_adj+0x5c4/0xdb0 fs/proc/base.c:1120 [<000000001729b83b>] oom_score_adj_write+0x17c/0x1b0 fs/proc/base.c:1247 [<00000000a1af20db>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000325158ab>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000f553de85>] SYSC_write fs/read_write.c:607 [inline] [<00000000f553de85>] SyS_write+0x121/0x270 fs/read_write.c:599 [<000000005a341b24>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ef169fd2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: c00 c00 c00 c00 c00 cfc cff cdf c44 c31 ce3 c81 ce3 cff c01 c00 c00 c48 c8d c3c cdd c00 cf1 c23 c84 c48 c89 cfa c48 cc1 cea c03 c65 cff c05 cc6 cf9 c61 c7e c80 c3c c02 c00 c<0f> c85 c25 c01 c00 c00 c4c c8b c24 cdd c00 cf1 c23 c84 c4d c85 ce4 c0f c84 cde c00 c