INFO: task kworker/1:13:6475 blocked for more than 143 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:13 state:D stack:21784 pid: 6475 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5026 [inline] __schedule+0x12c4/0x4590 kernel/sched/core.c:6372 schedule+0x11b/0x1f0 kernel/sched/core.c:6455 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 hwrng_register+0xa9/0x4c0 drivers/char/hw_random/core.c:473 chaoskey_probe+0x79d/0xb40 drivers/usb/misc/chaoskey.c:205 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_new_device+0xc17/0x18d0 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x2dd8/0x56d0 drivers/usb/core/hub.c:5730 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task kworker/1:15:6479 blocked for more than 144 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:15 state:D stack:23480 pid: 6479 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5026 [inline] __schedule+0x12c4/0x4590 kernel/sched/core.c:6372 schedule+0x11b/0x1f0 kernel/sched/core.c:6455 schedule_timeout+0xac/0x300 kernel/time/timer.c:1860 do_wait_for_common+0x2d9/0x480 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x48/0x60 kernel/sched/completion.c:138 cleanup_rng drivers/char/hw_random/core.c:82 [inline] kref_put include/linux/kref.h:65 [inline] drop_current_rng+0x8b/0xf0 drivers/char/hw_random/core.c:110 set_current_rng+0x3ad/0x530 drivers/char/hw_random/core.c:97 hwrng_register+0x34a/0x4c0 drivers/char/hw_random/core.c:500 chaoskey_probe+0x79d/0xb40 drivers/usb/misc/chaoskey.c:205 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_new_device+0xc17/0x18d0 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x2dd8/0x56d0 drivers/usb/core/hub.c:5730 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task syz-executor.2:13357 blocked for more than 145 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:26264 pid:13357 ppid: 3545 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5026 [inline] __schedule+0x12c4/0x4590 kernel/sched/core.c:6372 schedule+0x11b/0x1f0 kernel/sched/core.c:6455 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 device_lock include/linux/device.h:760 [inline] usbdev_open+0x152/0x7a0 drivers/usb/core/devio.c:1038 chrdev_open+0x54a/0x630 fs/char_dev.c:414 do_dentry_open+0x807/0xfb0 fs/open.c:826 do_open fs/namei.c:3538 [inline] path_openat+0x2702/0x2f20 fs/namei.c:3672 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f8732b47720 RSP: 002b:00007f87310c9c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000101001 RCX: 00007f8732b47720 RDX: 0000000000101001 RSI: 00007f87310c9ca0 RDI: 00000000ffffff9c RBP: 00007f87310c9ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8732c67f80 R15: 00007ffda29587d8 INFO: task syz-executor.2:13360 blocked for more than 146 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27520 pid:13360 ppid: 3545 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5026 [inline] __schedule+0x12c4/0x4590 kernel/sched/core.c:6372 schedule+0x11b/0x1f0 kernel/sched/core.c:6455 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 device_lock include/linux/device.h:760 [inline] usbdev_open+0x152/0x7a0 drivers/usb/core/devio.c:1038 chrdev_open+0x54a/0x630 fs/char_dev.c:414 do_dentry_open+0x807/0xfb0 fs/open.c:826 do_open fs/namei.c:3538 [inline] path_openat+0x2702/0x2f20 fs/namei.c:3672 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f8732b47720 RSP: 002b:00007f87310a8c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000101001 RCX: 00007f8732b47720 RDX: 0000000000101001 RSI: 00007f87310a8ca0 RDI: 00000000ffffff9c RBP: 00007f87310a8ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000000000006e R14: 00007f8732c68050 R15: 00007ffda29587d8 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8c91e6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 1 lock held by hwrng/902: #0: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: get_current_rng drivers/char/hw_random/core.c:127 [inline] #0: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x36/0x280 drivers/char/hw_random/core.c:433 2 locks held by getty/3258: #0: ffff88814b97e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 drivers/tty/n_tty.c:2147 2 locks held by syz-executor.0/3540: 1 lock held by syz-executor.4/3557: 3 locks held by kworker/1:9/3891: #0: ffff888141f8fd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2280 #1: ffffc90002dffd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2282 #2: ffff888148682220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff888148682220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0 drivers/usb/core/hub.c:5676 3 locks held by kworker/u4:11/4218: 2 locks held by kworker/0:10/5494: #0: ffff888011c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2280 #1: ffffc9000637fd20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2282 6 locks held by kworker/1:13/6475: #0: ffff888141f8fd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2280 #1: ffffc900057f7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2282 #2: ffff888148632220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff888148632220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0 drivers/usb/core/hub.c:5676 #3: ffff88801e3e9220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff88801e3e9220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:954 #4: ffff88801cb421a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff88801cb421a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:954 #5: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: hwrng_register+0xa9/0x4c0 drivers/char/hw_random/core.c:473 6 locks held by kworker/1:15/6479: #0: ffff888141f8fd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2280 #1: ffffc90002c6fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2282 #2: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0 drivers/usb/core/hub.c:5676 #3: ffff88803917d220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff88803917d220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:954 #4: ffff8880396651a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff8880396651a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:954 #5: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: hwrng_register+0xa9/0x4c0 drivers/char/hw_random/core.c:473 4 locks held by udevd/12475: #0: ffff88807c0b81c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xae/0xd10 fs/seq_file.c:182 #1: ffff8880788e1c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x50/0x3b0 fs/kernfs/file.c:112 #2: ffff888065dc7830 (kn->active#78){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x3b0 fs/kernfs/file.c:113 #3: ffff88801e3e9220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:765 [inline] #3: ffff88801e3e9220 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x22/0x90 drivers/usb/core/sysfs.c:141 1 lock held by syz-executor.2/13357: #0: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #0: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x152/0x7a0 drivers/usb/core/devio.c:1038 1 lock held by syz-executor.2/13360: #0: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #0: ffff88801e016220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x152/0x7a0 drivers/usb/core/devio.c:1038 1 lock held by syz-executor.1/14758: #0: ffffffff8c943f50 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x2210/0x3ef0 kernel/fork.c:2299 2 locks held by syz-executor.1/14769: #0: ffff88803bb41c50 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:797 [inline] #0: ffff88803bb41c50 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1675 #1: ffff88803bb420b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xcf/0x120 fs/fuse/inode.c:436 1 lock held by syz-executor.3/14759: #0: ffffffff8c943f50 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x2210/0x3ef0 kernel/fork.c:2299 1 lock held by syz-executor.0/14770: #0: ffffffff8c943f50 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x2210/0x3ef0 kernel/fork.c:2299 1 lock held by syz-executor.0/14773: #0: ffff888036f10070 (&dev->mutex#4){+.+.}-{3:3}, at: vhost_vsock_dev_ioctl+0x2a5/0x1040 drivers/vhost/vsock.c:906 5 locks held by vhost-14773/14775: #0: ffffffff8c943d68 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_attach_task_all+0x23/0x150 kernel/cgroup/cgroup-v1.c:61 #1: ffffffff8c7bc010 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_attach_task_all+0x28/0x150 kernel/cgroup/cgroup-v1.c:62 #2: ffffffff8c943f50 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_attach_task_all+0x34/0x150 kernel/cgroup/cgroup-v1.c:63 #3: ffffffff8c950130 (&cpuset_rwsem){++++}-{0:0}, at: cpuset_can_attach+0x1e9/0x490 kernel/cgroup/cpuset.c:2197 #4: ffffffff8c922be8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #4: ffffffff8c922be8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 kernel/rcu/tree_exp.h:842 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xe72/0xeb0 kernel/hung_task.c:295 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14768 Comm: syz-executor.5 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:__kasan_check_read+0x6/0x10 mm/kasan/shadow.c:31 Code: 41 5e 41 5f 5d c3 48 c7 c7 6a aa 15 8c eb 0a 48 c7 c7 a2 aa 15 8c 4c 89 fe e8 af 12 51 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 RSP: 0018:ffffc900055d7078 EFLAGS: 00000006 RAX: 0000000000000006 RBX: 000000000000019f RCX: ffffffff816326d2 RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8fbd2130 RBP: ffffc900055d7330 R08: dffffc0000000000 R09: fffffbfff1f7a427 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88803b718b10 R14: af0e42aa79a570cf R15: ffff88803b718b10 FS: 00007f9cf507e6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020500030 CR3: 000000008a64b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000c31b DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] hlock_class kernel/locking/lockdep.c:197 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3699 [inline] validate_chain+0x112/0x58b0 kernel/locking/lockdep.c:3755 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5011 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622 __might_fault+0xb4/0x110 mm/memory.c:5324 _copy_to_iter+0xe2/0xea0 lib/iov_iter.c:668 __skb_datagram_iter+0xd4/0x780 net/core/datagram.c:425 skb_copy_datagram_iter+0xbb/0x210 net/core/datagram.c:533 skb_copy_datagram_msg include/linux/skbuff.h:3732 [inline] hci_sock_recvmsg+0x347/0x8e0 net/bluetooth/hci_sock.c:1515 ____sys_recvmsg+0x286/0x530 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2673 do_recvmmsg+0x36f/0x8f0 net/socket.c:2767 __sys_recvmmsg net/socket.c:2846 [inline] __do_sys_recvmmsg net/socket.c:2869 [inline] __se_sys_recvmmsg net/socket.c:2862 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2862 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f9cf6afcb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9cf507e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f9cf6c1bf80 RCX: 00007f9cf6afcb29 RDX: 0204083acb88ff8b RSI: 0000000020000600 RDI: 0000000000000004 RBP: 00007f9cf6b4847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9cf6c1bf80 R15: 00007fff305fefa8