BUG: soft lockup in sys

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in sys_mbind (5) bpf	1	1	127d	127d	0/29	auto-obsoleted due to no activity on 2025/06/07 08:47
upstream	INFO: rcu detected stall in sys_mbind (4) mm	1	1	324d	324d	0/29	auto-obsoleted due to no activity on 2024/11/22 04:15
upstream	INFO: rcu detected stall in sys_mbind (3) cgroups mm	1	1	396d	396d	0/29	auto-obsoleted due to no activity on 2024/08/12 04:57

Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:14798] Modules linked in: irq event stamp: 2572052 hardirqs last enabled at (2572051): [<ffffffff81003ce4>] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2572052): [<ffffffff81003d00>] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (112472): [<ffffffff88400678>] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (65753): [<ffffffff813926d5>] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (65753): [<ffffffff813926d5>] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 14798 Comm: syz-executor.2 Not tainted 4.19.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:656 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:661 [inline] RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:438 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a4/0xae0 kernel/locking/qspinlock.c:474 Code: 48 89 eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c <f3> 90 41 83 ec 01 0f 84 38 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 RSP: 0018:ffff8880b4037940 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff1404194 RDX: 0000000000000001 RSI: ffffffff81678725 RDI: 0000000000000282 RBP: ffffffff8a020ca0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000004d7d R13: fffffbfff1404194 R14: 0000000000000001 R15: ffff8880ba02bd80 FS: 00007fe8495c8700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f53f9764718 CR3: 00000000b4726000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:53 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0x189/0x220 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:329 [inline] isolate_huge_page+0x75/0x430 mm/hugetlb.c:4987 queue_pages_hugetlb+0x38b/0x610 mm/mempolicy.c:575 walk_hugetlb_range+0x1dc/0x3c0 mm/pagewalk.c:193 __walk_page_range mm/pagewalk.c:252 [inline] __walk_page_range mm/pagewalk.c:244 [inline] walk_page_range+0x382/0x490 mm/pagewalk.c:335 queue_pages_range+0x107/0x150 mm/mempolicy.c:692 do_mbind+0x2c2/0xd60 mm/mempolicy.c:1274 kernel_mbind mm/mempolicy.c:1409 [inline] __do_sys_mbind mm/mempolicy.c:1416 [inline] __se_sys_mbind mm/mempolicy.c:1412 [inline] __x64_sys_mbind+0x235/0x290 mm/mempolicy.c:1412 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe8495c8188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020196000 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd641c31af R14: 00007fe8495c8300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 14791 Comm: syz-executor.5 Not tainted 4.19.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count_sub+0x63/0x150 kernel/sched/core.c:3274 Code: 75 18 65 8b 05 2e 75 c0 7e 25 ff ff ff 7f 39 c3 7f 1a 81 fb fe 00 00 00 76 6a 65 8b 05 16 75 c0 7e f7 db 65 01 1d 0d 75 c0 7e <5b> c3 e8 c6 a1 31 02 85 c0 74 f5 48 c7 c0 c0 d6 36 8d 48 ba 00 00 RSP: 0018:ffff8880ba1072d0 EFLAGS: 00000213 RAX: 0000000000000303 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: 0000000000000004 RSI: ffff8880ba107270 RDI: 0000000000000001 RBP: ffff8880ba107f30 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba10746f R11: 0000000000074071 R12: ffff8880ba100000 R13: ffff8880ba107445 R14: ffff8880ba107410 R15: ffffffff8b93e482 FS: 00007feb617a6700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000a638a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> unwind_next_frame+0xeee/0x1400 arch/x86/kernel/unwind_orc.c:579 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x144/0x3c0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] kzalloc include/linux/slab.h:709 [inline] neigh_alloc net/core/neighbour.c:326 [inline] __neigh_create+0x218/0x1c40 net/core/neighbour.c:501 ip6_finish_output2+0x8cc/0x2290 net/ipv6/ip6_output.c:117 ip6_finish_output+0x795/0xe50 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:535 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d dc 88 d9 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 9b 43 e8 f8 eb c0 0f 0b 0f 0b 48 c7 c7 48 RSP: 0018:ffff8880818479b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: 0000000000000282 RCX: 1ffff110128bcd22 RDX: dffffc0000000000 RSI: ffff8880945e68f0 RDI: 0000000000000282 RBP: ffffffff8d3fadc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200 R13: ffff88807e600000 R14: 0000000000000004 R15: dffffc0000000000 __debug_check_no_obj_freed lib/debugobjects.c:798 [inline] debug_check_no_obj_freed+0x201/0x490 lib/debugobjects.c:817 free_pages_prepare mm/page_alloc.c:1056 [inline] __free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279 update_and_free_page+0x839/0xb70 mm/hugetlb.c:1195 free_huge_page+0xa5b/0xd20 mm/hugetlb.c:1304 __put_page+0xe2/0x3a0 mm/swap.c:112 put_page include/linux/mm.h:963 [inline] putback_active_hugepage+0x624/0x7c0 mm/hugetlb.c:5007 unmap_and_move_huge_page mm/migrate.c:1355 [inline] migrate_pages+0x1a07/0x2fe0 mm/migrate.c:1415 do_mbind+0xaaf/0xd60 mm/mempolicy.c:1289 kernel_mbind mm/mempolicy.c:1409 [inline] __do_sys_mbind mm/mempolicy.c:1416 [inline] __se_sys_mbind mm/mempolicy.c:1412 [inline] __x64_sys_mbind+0x235/0x290 mm/mempolicy.c:1412 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007feb617a6188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020196000 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff1e6cf18f R14: 00007feb617a6300 R15: 0000000000022000