watchdog: BUG: soft lockup - CPU#1 stuck for 144s! [syz.0.4101:22299] Modules linked in: irq event stamp: 10896599 hardirqs last enabled at (10896598): [] irqentry_exit+0x59e/0x620 kernel/entry/common.c:242 hardirqs last disabled at (10896599): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1056 softirqs last enabled at (43760): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (43760): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (43760): [] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 softirqs last disabled at (43763): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (43763): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (43763): [] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 CPU: 1 UID: 0 PID: 22299 Comm: syz.0.4101 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872 Code: e9 30 ff ff ff e8 35 59 0c 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 b1 46 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 16 3f 0f 0a cc 48 8d 3d 3e 55 73 RSP: 0018:ffffc90000a07a58 EFLAGS: 00000282 RAX: 01a3eafeee397000 RBX: 0000000000000246 RCX: 0000000000000302 RDX: 00000000a7b932a2 RSI: ffffffff8e1655c0 RDI: ffffffff8c27b380 RBP: 0000000000000000 R08: ffffffff81767de5 R09: ffffffff8e75e3e0 R10: ffffc90000a07840 R11: ffffffff81b0bfa0 R12: 0000000000000002 R13: ffffffff8e75e3e0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f74a62a06c0(0000) GS:ffff888125563000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000480 CR3: 000000005fde4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0xc2/0x23c0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5263 [inline] __kmalloc_noprof+0x35c/0x760 mm/slub.c:5275 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] ieee802_11_parse_elems_full+0x159/0x2ab0 net/mac80211/parse.c:1051 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2480 [inline] ieee80211_inform_bss+0x161/0x1160 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xd08/0x1b70 net/wireless/scan.c:2372 cfg80211_inform_bss_data+0x266/0x3c40 net/wireless/scan.c:3226 cfg80211_inform_bss_frame_data+0x3c7/0x760 net/wireless/scan.c:3317 ieee80211_bss_info_update+0x794/0xa40 net/mac80211/scan.c:230 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet net/mac80211/rx.c:5305 [inline] ieee80211_rx_list+0x29e5/0x3710 net/mac80211/rx.c:5588 ieee80211_rx_napi+0x1b1/0x3e0 net/mac80211/rx.c:5611 ieee80211_rx include/net/mac80211.h:5267 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 tasklet_action_common+0x2da/0x4b0 kernel/softirq.c:925 handle_softirqs+0x22a/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data kernel/kcov.c:246 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x10/0x90 kernel/kcov.c:314 Code: 09 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 15 08 2e 56 11 <65> 8b 0d 29 2e 56 11 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 RSP: 0018:ffffc9000c3d6c38 EFLAGS: 00000282 RAX: ffffffff81cf8cd5 RBX: 000000000000002c RCX: 0000000000000002 RDX: ffff88802e188000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000000 R08: ffffc9000c3d6fb0 R09: 0000000000000000 R10: ffffc9000c3d6f78 R11: fffff5200187adf1 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffffc9000c3d6ce0 R15: 0000000000000000 perf_trace_buf_alloc+0x85/0x280 kernel/trace/trace_event_perf.c:415 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x1a0/0x410 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+0x392/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695 __unwind_start+0x5b8/0x760 arch/x86/kernel/unwind_orc.c:773 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __set_page_owner+0x8d/0x4c0 mm/page_owner.c:341 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889 prep_new_page mm/page_alloc.c:1897 [inline] get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250 __alloc_pages_noprof mm/page_alloc.c:5284 [inline] alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204 ___alloc_pages_bulk mm/kasan/shadow.c:345 [inline] __kasan_populate_vmalloc_do mm/kasan/shadow.c:370 [inline] __kasan_populate_vmalloc+0xc1/0x1d0 mm/kasan/shadow.c:424 kasan_populate_vmalloc include/linux/kasan.h:580 [inline] alloc_vmap_area+0xd73/0x14b0 mm/vmalloc.c:2129 __get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3232 __vmalloc_node_range_noprof+0x372/0x1730 mm/vmalloc.c:4024 __vmalloc_node_noprof mm/vmalloc.c:4124 [inline] __vmalloc_noprof+0xd2/0x120 mm/vmalloc.c:4140 bpf_prog_alloc_no_stats+0x4a/0x4f0 kernel/bpf/core.c:107 bpf_prog_alloc+0x3c/0x1a0 kernel/bpf/core.c:156 bpf_prog_load+0x7ba/0x1ae0 kernel/bpf/syscall.c:2993 __sys_bpf+0x618/0x950 kernel/bpf/syscall.c:6228 __do_sys_bpf kernel/bpf/syscall.c:6341 [inline] __se_sys_bpf kernel/bpf/syscall.c:6339 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6339 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f74a539c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f74a62a0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f74a5616090 RCX: 00007f74a539c799 RDX: 0000000000000094 RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007f74a5432c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f74a5616128 R14: 00007f74a5616090 R15: 00007fffbbc70468 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 22280 Comm: syz.5.4098 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:perf_fetch_caller_regs include/linux/perf_event.h:1597 [inline] RIP: 0010:do_perf_trace_lock include/trace/events/lock.h:50 [inline] RIP: 0010:perf_trace_lock+0x210/0x410 include/trace/events/lock.h:50 Code: bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 05 e8 98 12 8f 00 49 89 ac 24 98 00 00 00 <49> 8d bc 24 88 00 00 00 48 89 f8 48 c1 e8 03 48 ba 00 00 00 00 00 RSP: 0018:ffffc90000005e60 EFLAGS: 00000046 RAX: 1ffff110170c66a7 RBX: ffffe8ffffcec000 RCX: dffffc0000000000 RDX: ffffffff81a1bb72 RSI: 0000000000000000 RDI: ffff8880b8633538 RBP: ffffc90000005f48 R08: 0000000000000004 R09: 0000000000000004 R10: ffffe8ffffcec024 R11: fffff91ffff9d806 R12: ffff8880b86334a0 R13: 000000000000000d R14: 000000000000002c R15: 1ffff92000000bd4 FS: 00007f4aa263e6c0(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f456e41b708 CR3: 00000000888ea000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x392/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] __perf_event_output kernel/events/core.c:8818 [inline] perf_event_output_forward+0x3a1/0x480 kernel/events/core.c:8827 __perf_event_overflow+0x87a/0xec0 kernel/events/core.c:10763 perf_event_overflow kernel/events/core.c:10787 [inline] perf_swevent_hrtimer+0x481/0x650 kernel/events/core.c:12198 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x4e7/0xcc0 kernel/time/hrtimer.c:1849 hrtimer_interrupt+0x42b/0x1010 kernel/time/hrtimer.c:1911 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1045 [inline] __sysvec_apic_timer_interrupt+0x102/0x460 arch/x86/kernel/apic/apic.c:1062 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data kernel/kcov.c:246 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x17/0x90 kernel/kcov.c:314 Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 15 08 2e 56 11 65 8b 0d 29 2e 56 11 <81> e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 94 16 00 00 RSP: 0018:ffffc900000067f8 EFLAGS: 00000246 RAX: ffffffff81cf8cb5 RBX: 000000000000002c RCX: 0000000000000304 RDX: ffff88802da11e80 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffffffff81d15fa2 R09: ffffffff8e75e3e0 R10: dffffc0000000000 R11: fffff91ffff9a205 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffffc900000068a0 R15: ffffc900000068c0 perf_trace_buf_alloc+0x65/0x280 kernel/trace/trace_event_perf.c:411 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x1a0/0x410 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+0x392/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock+0x93/0xa0 include/linux/rcupdate.h:881 trace_call_bpf+0xa12/0xb70 kernel/trace/bpf_trace.c:124 perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:11332 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x32d/0x410 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+0x392/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2692 [inline] slab_free mm/slub.c:6168 [inline] kfree+0x1c1/0x630 mm/slub.c:6486 ieee80211_inform_bss+0xc75/0x1160 net/mac80211/scan.c:164 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xd08/0x1b70 net/wireless/scan.c:2372 cfg80211_inform_bss_data+0x266/0x3c40 net/wireless/scan.c:3226 cfg80211_inform_bss_frame_data+0x3c7/0x760 net/wireless/scan.c:3317 ieee80211_bss_info_update+0x794/0xa40 net/mac80211/scan.c:230 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet net/mac80211/rx.c:5305 [inline] ieee80211_rx_list+0x29e5/0x3710 net/mac80211/rx.c:5588 ieee80211_rx_napi+0x1b1/0x3e0 net/mac80211/rx.c:5611 ieee80211_rx include/net/mac80211.h:5267 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 tasklet_action_common+0x2da/0x4b0 kernel/softirq.c:925 handle_softirqs+0x22a/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__srcu_check_read_flavor+0xab/0x250 kernel/rcu/srcutree.c:799 Code: 03 42 0f b6 04 28 84 c0 0f 85 0a 01 00 00 41 8b 04 24 49 83 c6 10 4d 89 f7 49 c1 ef 03 43 0f b6 0c 2f 84 c9 0f 85 0c 01 00 00 <41> 0f b6 0e 85 c9 0f 94 c2 39 cb 0f 94 c1 08 d1 74 7b 85 c0 74 1d RSP: 0018:ffffc90005cbded0 EFLAGS: 00000246 RAX: 0000000000000004 RBX: 0000000000000004 RCX: 0000000000000000 RDX: ffffc900136c9000 RSI: 0000000000000004 RDI: ffffffff8e7bd200 RBP: ffffffff931c6140 R08: ffffc90005cbe02f R09: 0000000000000000 R10: ffffc90005cbe020 R11: ffffffffa02019d4 R12: ffff8880b8629160 R13: dffffc0000000000 R14: ffffffff8e7bd210 R15: 1ffffffff1cf7a42 srcu_check_read_flavor include/linux/srcutree.h:373 [inline] srcu_read_unlock_fast_notrace include/linux/srcu.h:530 [inline] class_srcu_fast_notrace_destructor include/linux/srcu.h:634 [inline] __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3bc/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] trace_call_bpf+0x7bf/0xb70 kernel/trace/bpf_trace.c:147 perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:11332 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x32d/0x410 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+0x392/0x3d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5263 [inline] __kmalloc_node_track_caller_noprof+0x4db/0x7b0 mm/slub.c:5371 __kmemdup_nul mm/util.c:64 [inline] kstrdup+0x42/0x100 mm/util.c:84 __kernfs_new_node+0xa9/0x8e0 fs/kernfs/dir.c:633 kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:718 __kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057 sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313 create_files fs/sysfs/group.c:82 [inline] internal_create_group+0x673/0x1180 fs/sysfs/group.c:189 internal_create_groups fs/sysfs/group.c:229 [inline] sysfs_create_groups+0x59/0x120 fs/sysfs/group.c:255 setup_port drivers/infiniband/core/sysfs.c:1202 [inline] ib_setup_port_attrs+0xf9c/0x2380 drivers/infiniband/core/sysfs.c:1388 ib_register_device+0x10e9/0x13e0 drivers/infiniband/core/device.c:1452 rxe_register_device+0x1e3/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1556 rxe_net_add+0x81/0x110 drivers/infiniband/sw/rxe/rxe_net.c:618 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x5bd/0x650 drivers/infiniband/core/nldev.c:1797 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6d7/0xa10 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2592 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4aa179c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4aa263e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4aa1a15fa0 RCX: 00007f4aa179c799 RDX: 0000000024040000 RSI: 0000200000002000 RDI: 000000000000000c RBP: 00007f4aa1832c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4aa1a16038 R14: 00007f4aa1a15fa0 R15: 00007fff220a71d8