IPv6: Can't replace route, no match found IPv6: Can't replace route, no match found EXT4-fs (sda1): re-mounted. Opts: audit: type=1400 audit(2000000180.742:60): avc: denied { setattr } for pid=26454 comm="syz-executor5" name="fd" dev="proc" ino=67674 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 INFO: task jbd2/sda1-8:75 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D27120 75 2 0x80000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 io_schedule+0x1c/0x70 kernel/sched/core.c:5097 bit_wait_io+0x9/0x90 kernel/sched/wait_bit.c:249 __wait_on_bit+0xad/0x130 kernel/sched/wait_bit.c:51 out_of_line_wait_on_bit+0xd1/0x100 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:106 [inline] __wait_on_buffer+0x58/0x70 fs/buffer.c:125 wait_on_buffer include/linux/buffer_head.h:354 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:177 [inline] jbd2_journal_commit_transaction+0x484a/0x648c fs/jbd2/commit.c:868 kjournald2+0x244/0x820 fs/jbd2/journal.c:233 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 INFO: task syz-executor1:26382 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D29128 26382 1844 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 schedule_timeout+0x710/0xe60 kernel/time/timer.c:1721 do_wait_for_common kernel/sched/completion.c:91 [inline] __wait_for_common kernel/sched/completion.c:112 [inline] wait_for_common+0x3bc/0x4e0 kernel/sched/completion.c:123 flush_work+0x3b8/0x6e0 kernel/workqueue.c:2885 lru_add_drain_all_cpuslocked+0x2ef/0x450 mm/swap.c:722 lru_add_drain_all+0xf/0x20 mm/swap.c:730 do_mlock+0x8c/0x5c0 mm/mlock.c:673 SYSC_mlock2 mm/mlock.c:726 [inline] SyS_mlock2+0x46/0x60 mm/mlock.c:716 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457679 RSP: 002b:00007fc25cc95c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000145 RAX: ffffffffffffffda RBX: 00007fc25cc966d4 RCX: 0000000000457679 RDX: 0000000000000001 RSI: 0000000000001000 RDI: 0000000020ffc000 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d3a80 R14: 00000000004c2905 R15: 0000000000000000 INFO: task syz-executor1:26390 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D29688 26390 1844 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 lru_add_drain_all_cpuslocked+0x7f/0x450 mm/swap.c:704 lru_add_drain_all+0xf/0x20 mm/swap.c:730 do_mlock+0x8c/0x5c0 mm/mlock.c:673 SYSC_mlock2 mm/mlock.c:726 [inline] SyS_mlock2+0x46/0x60 mm/mlock.c:716 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457679 RSP: 002b:00007fc25cc74c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000145 RAX: ffffffffffffffda RBX: 00007fc25cc756d4 RCX: 0000000000457679 RDX: 0000000000000001 RSI: 0000000000001000 RDI: 0000000020ffc000 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d3a80 R14: 00000000004c2905 R15: 0000000000000001 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541 2 locks held by getty/1755: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142 2 locks held by syz-executor1/26382: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [] lru_add_drain_all_cpuslocked+0x7f/0x450 mm/swap.c:704 2 locks held by syz-executor1/26390: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [] lru_add_drain_all_cpuslocked+0x7f/0x450 mm/swap.c:704 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.71+ #8 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x11b lib/dump_stack.c:53 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x574/0xa70 kernel/hung_task.c:252 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 26285 Comm: syz-executor4 Not tainted 4.14.71+ #8 task: ffff8801a0445e00 task.stack: ffff8801d00c0000 RIP: 0033:0x40157b RSP: 002b:00007f663111a690 EFLAGS: 00000202 RAX: 000000001d1ce8ec RBX: 0000000000000007 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 00007f663111a6c0 RDI: 0000000000000007 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d7950 R14: 00000000004c48c6 R15: 0000000000000000 FS: 00007f663111b700(0000) GS:ffff8801d7600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001f16978 CR3: 000000019fb34004 CR4: 00000000001606b0 DR0: 00000000200001c0 DR1: 00000000200001c0 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600