#5: (tasklist_lock){.?.+}, at: [] debug_show_all_locks+0xd3/0x400 kernel/locking/lockdep.c:4552 ============================================= BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 30s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 pending: console_callback, perf_sched_delayed, vmstat_shepherd, cache_reap workqueue events_long: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: gc_worker workqueue events_power_efficient: flags=0x80 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: neigh_periodic_work workqueue mm_percpu_wq: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: vmstat_update workqueue writeback: flags=0x4e pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 in-flight: 3235:wb_workfn workqueue kblockd: flags=0x18 pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=2/256 pending: blk_mq_timeout_work, blk_timeout_work pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=10 idle: 3254 29 3325 77 5 21 3248 5795 5791 device syz4 entered promiscuous mode audit: type=1326 audit(1507315479.429:1373): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10829 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7fd4c79 code=0xffff0000 audit: type=1326 audit(1507315479.514:1374): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10829 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7fd4c79 code=0xffff0000 tmpfs: Bad mount option q]g4G tmpfs: Bad mount option q]g4G dccp_invalid_packet: pskb_may_pull failed dccp_invalid_packet: pskb_may_pull failed sctp: [Deprecated]: syz-executor4 (pid 10975) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor4 (pid 10975) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8 sclass=netlink_route_socket pig=10991 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8 sclass=netlink_route_socket pig=11010 comm=syz-executor0 audit: type=1326 audit(1507315480.865:1375): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11035 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7fd5c79 code=0xffff0000 audit: type=1326 audit(1507315481.160:1376): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11087 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7f9ac79 code=0x0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. print_req_error: I/O error, dev loop0, sector 0 sg_write: data in/out 393186/258 bytes for SCSI command 0x0-- guessing data in; program syz-executor0 not setting count and/or reply_len properly audit: type=1326 audit(1507315481.182:1377): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11087 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7f9ac79 code=0x0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 393186/258 bytes for SCSI command 0x0-- guessing data in; program syz-executor0 not setting count and/or reply_len properly print_req_error: I/O error, dev loop0, sector 0 device lo entered promiscuous mode netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1326 audit(1507315482.192:1378): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11285 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7f8dc79 code=0xffff0000 audit: type=1326 audit(1507315482.336:1379): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11285 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf7f8dc79 code=0xffff0000 device gre0 entered promiscuous mode kvm [11347]: vcpu1, guest rIP: 0xfff0 Hyper-V uhandled wrmsr: 0x40000074 data 0x800ff kvm [11347]: vcpu1, guest rIP: 0xfff0 Hyper-V uhandled wrmsr: 0x40000074 data 0x800ff kvm: apic: phys broadcast and lowest prio SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1792 sclass=netlink_tcpdiag_socket pig=11419 comm=syz-executor2 kvm: apic: phys broadcast and lowest prio SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1792 sclass=netlink_tcpdiag_socket pig=11419 comm=syz-executor2 print_req_error: I/O error, dev loop0, sector 0 ====================================================== WARNING: possible circular locking dependency detected 4.14.0-rc3+ #28 Not tainted ------------------------------------------------------ syz-executor2/11482 is trying to acquire lock: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:66 [inline] (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:74 but task is already holding lock: (sb_writers){.+.+}, at: [] file_start_write include/linux/fs.h:2696 [inline] (sb_writers){.+.+}, at: [] do_splice fs/splice.c:1146 [inline] (sb_writers){.+.+}, at: [] SYSC_splice fs/splice.c:1402 [inline] (sb_writers){.+.+}, at: [] SyS_splice+0x1117/0x1630 fs/splice.c:1382 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #8 (sb_writers){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline] percpu_down_read include/linux/percpu-rwsem.h:58 [inline] __sb_start_write+0x18f/0x290 fs/super.c:1340 sb_start_write include/linux/fs.h:1541 [inline] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 filename_create+0x12b/0x520 fs/namei.c:3628 kern_path_create+0x33/0x40 fs/namei.c:3674 handle_create+0xc0/0x760 drivers/base/devtmpfs.c:202 -> #7 ((complete)&req.done){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 complete_acquire include/linux/completion.h:39 [inline] __wait_for_common kernel/sched/completion.c:108 [inline] wait_for_common kernel/sched/completion.c:122 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:143 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:114 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 msr_device_create+0x26/0x40 arch/x86/kernel/msr.c:188 cpuhp_invoke_callback+0x2ea/0x1d20 kernel/cpu.c:181 cpuhp_thread_fun+0x48b/0x7e0 kernel/cpu.c:570 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #6 (cpuhp_state-up){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 cpuhp_lock_acquire kernel/cpu.c:84 [inline] cpuhp_invoke_ap_callback kernel/cpu.c:604 [inline] cpuhp_issue_call+0x1e6/0x4b0 kernel/cpu.c:1484 __cpuhp_setup_state_cpuslocked+0x2c7/0x5f0 kernel/cpu.c:1631 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1660 cpuhp_setup_state include/linux/cpuhotplug.h:196 [inline] page_writeback_init+0x4d/0x71 mm/page-writeback.c:2082 pagecache_init+0x48/0x4f mm/filemap.c:879 start_kernel+0x6c1/0x754 init/main.c:690 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:377 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:358 verify_cpu+0x0/0xfb -> #5 (cpuhp_state_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 __cpuhp_setup_state_cpuslocked+0x5b/0x5f0 kernel/cpu.c:1606 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1660 cpuhp_setup_state_nocalls include/linux/cpuhotplug.h:224 [inline] kvm_guest_init+0x1f3/0x20f arch/x86/kernel/kvm.c:489 setup_arch+0x1879/0x1a93 arch/x86/kernel/setup.c:1297 start_kernel+0xa5/0x754 init/main.c:530 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:377 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:358 verify_cpu+0x0/0xfb -> #4 (cpu_hotplug_lock.rw_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline] percpu_down_read include/linux/percpu-rwsem.h:58 [inline] cpus_read_lock+0x42/0x90 kernel/cpu.c:292 static_key_slow_inc+0x9d/0x3c0 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9300 [inline] perf_event_alloc+0x1c5b/0x2a00 kernel/events/core.c:9559 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:10014 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9900 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 -> #3 (tracepoints_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tracepoint_probe_register_prio+0xa0/0x9a0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9300 [inline] perf_event_alloc+0x1c5b/0x2a00 kernel/events/core.c:9559 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:10014 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9900 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 -> #2 (event_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_init+0x58/0xab0 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9284 [inline] perf_event_alloc+0x10fa/0x2a00 kernel/events/core.c:9559 inherit_event.isra.93+0x15b/0x910 kernel/events/core.c:10773 inherit_group kernel/events/core.c:10864 [inline] inherit_task_group.isra.95.part.96+0x73/0x240 kernel/events/core.c:10922 inherit_task_group kernel/events/core.c:10902 [inline] perf_event_init_context kernel/events/core.c:10973 [inline] perf_event_init_task+0x348/0x890 kernel/events/core.c:11041 copy_process.part.37+0x173b/0x4af0 kernel/fork.c:1727 copy_process kernel/fork.c:1566 [inline] _do_fork+0x1ef/0xfe0 kernel/fork.c:2045 SYSC_clone kernel/fork.c:2155 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2149 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 -> #1 (&ctx->mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_ctx_lock_nested+0x1dc/0x3c0 kernel/events/core.c:1210 perf_event_ctx_lock kernel/events/core.c:1223 [inline] perf_read+0xb9/0x970 kernel/events/core.c:4584 do_loop_readv_writev fs/read_write.c:693 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:917 vfs_readv+0x121/0x1c0 fs/read_write.c:979 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 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 -> #0 (&pipe->mutex/1){+.+.}: check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:66 [inline] pipe_lock+0x56/0x70 fs/pipe.c:74 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 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 other info that might help us debug this: Chain exists of: &pipe->mutex/1 --> (complete)&req.done --> sb_writers Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers); lock((complete)&req.done); lock(sb_writers); lock(&pipe->mutex/1); *** DEADLOCK *** 1 lock held by syz-executor2/11482: #0: (sb_writers){.+.+}, at: [] file_start_write include/linux/fs.h:2696 [inline] #0: (sb_writers){.+.+}, at: [] do_splice fs/splice.c:1146 [inline] #0: (sb_writers){.+.+}, at: [] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers){.+.+}, at: [] SyS_splice+0x1117/0x1630 fs/splice.c:1382 stack backtrace: CPU: 0 PID: 11482 Comm: syz-executor2 Not tainted 4.14.0-rc3+ #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259 check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:66 [inline] pipe_lock+0x56/0x70 fs/pipe.c:74 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 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 RIP: 0023:0xf7fd4c79 RSP: 002b:00000000f77d005c EFLAGS: 00000296 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000018 RCX: 0000000000000000 RDX: 0000000000000017 RSI: 0000000000000000 RDI: 000000000000ffff RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 QAT: Invalid ioctl QAT: Invalid ioctl device  entered promiscuous mode device  left promiscuous mode device  entered promiscuous mode device  left promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 12472 Comm: syz-executor0 Not tainted 4.14.0-rc3+ #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3625 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:666 [inline] sctp_association_new+0x114/0x21e0 net/sctp/associola.c:309 __sctp_connect+0x5e7/0xc80 net/sctp/socket.c:1171 sctp_connect+0xb4/0xf0 net/sctp/socket.c:4137 inet_dgram_connect+0x16b/0x1f0 net/ipv4/af_inet.c:540 SYSC_connect+0x20a/0x480 net/socket.c:1642 SyS_connect+0x24/0x30 net/socket.c:1623 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 RIP: 0023:0xf7f0ec79 RSP: 002b:00000000f770a05c EFLAGS: 00000296 ORIG_RAX: 000000000000016a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000208ecff0 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 QAT: Invalid ioctl QAT: Invalid ioctl