watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.6.97:6629] Modules linked in: irq event stamp: 10804065 hardirqs last enabled at (10804064): [] irqentry_exit+0x74/0x90 kernel/entry/common.c:200 hardirqs last disabled at (10804065): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1050 softirqs last enabled at (64356): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last enabled at (64356): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last enabled at (64356): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 softirqs last disabled at (64359): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last disabled at (64359): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last disabled at (64359): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 CPU: 0 UID: 0 PID: 6629 Comm: syz.6.97 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:check_preemption_disabled+0x3/0x120 lib/smp_processor_id.c:13 Code: e3 8b 48 c7 c6 60 3d e3 8b eb 1c 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 <41> 56 53 48 83 ec 10 65 48 8b 05 be 5e 26 07 48 89 44 24 08 65 8b RSP: 0018:ffffc90000006808 EFLAGS: 00000202 RAX: ffffffff81c94cd9 RBX: 000000000000002c RCX: ffff888027481e00 RDX: 0000000000000100 RSI: ffffffff8be33d60 RDI: ffffffff8be33d20 RBP: 0000000000000001 R08: ffffc900039a71a8 R09: 0000000000000000 R10: ffffc90000006af8 R11: fffff52000000d61 R12: 1ffff92000000d14 R13: dffffc0000000000 R14: ffffc900000068c0 R15: 00000000000000a8 FS: 00007f94a9c1e6c0(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000066244000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_trace_buf_alloc+0xb9/0x2a0 kernel/trace/trace_event_perf.c:415 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x18d/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:388 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4376 [inline] __kmalloc_noprof+0x27a/0x4f0 mm/slub.c:4388 kmalloc_noprof include/linux/slab.h:909 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] ieee802_11_parse_elems_full+0x152/0x2ab0 net/mac80211/parse.c:1011 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2462 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2469 [inline] ieee80211_inform_bss+0x10c/0x10a0 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xd05/0x1ac0 net/wireless/scan.c:2380 cfg80211_inform_bss_data+0x1fb/0x3b30 net/wireless/scan.c:3235 cfg80211_inform_bss_frame_data+0x3d7/0x730 net/wireless/scan.c:3326 ieee80211_bss_info_update+0x746/0x9e0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355 __ieee80211_rx_handle_packet net/mac80211/rx.c:5186 [inline] ieee80211_rx_list+0x201c/0x2a90 net/mac80211/rx.c:5423 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5446 ieee80211_rx include/net/mac80211.h:5210 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453 tasklet_action_common+0x36c/0x580 kernel/softirq.c:829 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count_sub+0x65/0x170 kernel/sched/core.c:5865 Code: ff ff ff 7f 39 cf 7f 2a 81 ff ff 00 00 00 0f 93 c1 84 c0 0f 95 c0 08 c8 74 5e 65 8b 05 34 a2 10 11 f7 df 65 01 3d 2b a2 10 11 <5b> 5d e9 14 0e ed 09 cc 90 e8 fd 06 35 03 85 c0 74 39 48 c7 c0 64 RSP: 0018:ffffc900039a7268 EFLAGS: 00000293 RAX: 0000000080000002 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff888027482240 RSI: ffffffff8be33d60 RDI: 00000000ffffffff RBP: ffffc900039a7370 R08: ffffc900039a740f R09: 0000000000000000 R10: ffffc900039a7400 R11: ffffffffa0206e0c R12: dffffc0000000000 R13: 1ffff92000734e58 R14: ffffffff8dbe1d10 R15: ffff888027482220 class_preempt_destructor include/linux/preempt.h:472 [inline] migrate_enable+0x29c/0x3c0 kernel/sched/core.c:2442 bpf_prog_run_array include/linux/bpf.h:2296 [inline] trace_call_bpf+0x4b9/0x850 kernel/trace/bpf_trace.c:146 perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:10918 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x2f8/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf5/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895 __slab_free+0x303/0x3c0 mm/slub.c:4606 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4191 [inline] slab_alloc_node mm/slub.c:4240 [inline] __kmalloc_cache_noprof+0x1be/0x3d0 mm/slub.c:4402 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] ref_tracker_alloc+0x133/0x460 lib/ref_tracker.c:271 __netns_tracker_alloc include/net/net_namespace.h:357 [inline] netns_tracker_alloc include/net/net_namespace.h:366 [inline] get_net_track include/net/net_namespace.h:383 [inline] sk_alloc+0x1b1/0x370 net/core/sock.c:2307 __netlink_create+0x65/0x260 net/netlink/af_netlink.c:628 netlink_create+0x3ca/0x590 net/netlink/af_netlink.c:686 __sock_create+0x4b0/0x9f0 net/socket.c:1589 sock_create net/socket.c:1647 [inline] __sys_socket_create net/socket.c:1684 [inline] __sys_socket+0xd7/0x1b0 net/socket.c:1731 __do_sys_socket net/socket.c:1745 [inline] __se_sys_socket net/socket.c:1743 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f94a8d8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f94a9c1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f94a8fe5fa0 RCX: 00007f94a8d8eec9 RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010 RBP: 00007f94a8e11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f94a8fe6038 R14: 00007f94a8fe5fa0 R15: 00007ffe077d84b8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6612 Comm: syz.5.91 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:its_return_thunk+0x0/0x10 arch/x86/lib/retpoline.S:412 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e9 6b 52 b6 f5 cc RSP: 0018:ffffc90000a071e8 EFLAGS: 00000006 RAX: ffffffff81ef5ad7 RBX: 0000000000010305 RCX: ffff8880303cbc00 RDX: 0000000000010100 RSI: 0000000000010000 RDI: 0000000000000000 RBP: ffffc90000a07300 R08: ffffc90000a0744f R09: 0000000000000000 R10: ffffc90000a07440 R11: ffffffffa0206e0c R12: 1ffff92000140e01 R13: dffffc0000000000 R14: ffff8880303cbc00 R15: dffffc0000000000 FS: 00007f455f3f66c0(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000024634000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: interrupt_context_level include/linux/preempt.h:96 [inline] get_recursion_context kernel/events/internal.h:215 [inline] perf_swevent_get_recursion_context+0x57/0x100 kernel/events/core.c:10604 perf_trace_buf_alloc+0x59/0x2a0 kernel/trace/trace_event_perf.c:410 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x18d/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] trace_call_bpf+0x5a9/0x850 kernel/trace/bpf_trace.c:148 perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:10918 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x2f8/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 seqcount_lockdep_reader_access+0xdc/0x1c0 include/linux/seqlock.h:73 ktime_get+0x3e/0x1f0 kernel/time/timekeeping.c:824 clockevents_program_event+0xea/0x360 kernel/time/clockevents.c:326 hrtimer_interrupt+0x620/0xaa0 kernel/time/hrtimer.c:1900 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline] __sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1056 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:hlist_empty include/linux/list.h:972 [inline] RIP: 0010:perf_trace_run_bpf_submit+0x99/0x170 kernel/events/core.c:10918 Code: ef 4c 89 e6 e8 68 b0 db ff 41 89 c7 31 ff 89 c6 e8 fc 5d d0 ff 45 85 ff 74 6b 4c 8b 7c 24 48 4c 89 f8 48 c1 e8 03 80 3c 28 00 <74> 08 4c 89 ff e8 3d cc 33 00 49 83 3f 00 74 52 e8 92 59 d0 ff eb RSP: 0018:ffffc90000a079c8 EFLAGS: 00000246 RAX: 1ffffd1ffffa5ec8 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffff8880303cbc00 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffc90000a0794f R09: 0000000000000000 R10: ffffc90000a07940 R11: ffffffffa0206e0c R12: ffffe8ffffda3348 R13: ffffffff8e0091c0 R14: ffff8880b8732a28 R15: ffffe8ffffd2f640 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x2f8/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548 kvfree_call_rcu+0xbb/0x410 mm/slab_common.c:1962 cfg80211_update_known_bss+0x84b/0x13c0 net/wireless/scan.c:1937 __cfg80211_bss_update+0x147/0x2120 net/wireless/scan.c:1984 cfg80211_inform_single_bss_data+0xba9/0x1ac0 net/wireless/scan.c:2376 cfg80211_inform_bss_data+0x1fb/0x3b30 net/wireless/scan.c:3235 cfg80211_inform_bss_frame_data+0x3d7/0x730 net/wireless/scan.c:3326 ieee80211_bss_info_update+0x746/0x9e0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355 __ieee80211_rx_handle_packet net/mac80211/rx.c:5186 [inline] ieee80211_rx_list+0x201c/0x2a90 net/mac80211/rx.c:5423 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5446 ieee80211_rx include/net/mac80211.h:5210 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453 tasklet_action_common+0x36c/0x580 kernel/softirq.c:829 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:perf_trace_run_bpf_submit+0xa7/0x170 kernel/events/core.c:10918 Code: 89 c6 e8 fc 5d d0 ff 45 85 ff 74 6b 4c 8b 7c 24 48 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 3d cc 33 00 49 83 3f 00 <74> 52 e8 92 59 d0 ff eb 05 e8 8b 59 d0 ff 4c 8b 7c 24 50 49 83 c5 RSP: 0018:ffffc90003746488 EFLAGS: 00000246 RAX: 1ffffd1ffffa5ec8 RBX: 0000000000000000 RCX: 0000000000000002 RDX: ffff8880303cbc00 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffc9000374640f R09: 0000000000000000 R10: ffffc90003746400 R11: ffffffffa0206e0c R12: ffffe8ffffda1348 R13: ffffffff8e0091c0 R14: ffff8880b8732980 R15: ffffe8ffffd2f640 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x2f8/0x3b0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b2/0x3e0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:330 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:356 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4191 [inline] slab_alloc_node mm/slub.c:4240 [inline] kmem_cache_alloc_lru_noprof+0x1c6/0x3d0 mm/slub.c:4259 alloc_inode+0x67/0x1b0 fs/inode.c:346 new_inode+0x22/0x170 fs/inode.c:1145 debugfs_get_inode fs/debugfs/inode.c:72 [inline] __debugfs_create_file+0x14d/0x4f0 fs/debugfs/inode.c:441 debugfs_create_file_unsafe+0x3a/0x50 fs/debugfs/inode.c:517 add_sta_files net/mac80211/debugfs_netdev.c:849 [inline] add_files net/mac80211/debugfs_netdev.c:958 [inline] ieee80211_debugfs_add_netdev net/mac80211/debugfs_netdev.c:1011 [inline] ieee80211_debugfs_recreate_netdev+0xca1/0x1460 net/mac80211/debugfs_netdev.c:1035 ieee80211_if_add+0xc17/0x1390 net/mac80211/iface.c:2274 ieee80211_register_hw+0x35b6/0x4100 net/mac80211/main.c:1596 mac80211_hwsim_new_radio+0x2f0e/0x5340 drivers/net/wireless/virtual/mac80211_hwsim.c:5568 hwsim_new_radio_nl+0xea4/0x1b10 drivers/net/wireless/virtual/mac80211_hwsim.c:6252 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f456118eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f455f3f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f45613e5fa0 RCX: 00007f456118eec9 RDX: 0000000000000084 RSI: 0000200000000100 RDI: 0000000000000003 RBP: 00007f4561211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45613e6038 R14: 00007f45613e5fa0 R15: 00007fffa98879b8