watchdog: BUG: soft lockup - CPU#0 stuck for 54s! [kworker/u8:4:195] Modules linked in: irq event stamp: 673884 hardirqs last enabled at (673883): [] seqcount_lockdep_reader_access+0x80/0x104 include/linux/seqlock.h:74 hardirqs last disabled at (673884): [] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (673884): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (650770): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (650770): [] ieee80211_ibss_work+0x2a4/0x11f0 net/mac80211/ibss.c:1663 softirqs last disabled at (650768): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (650768): [] ieee80211_ibss_work+0xd0/0x11f0 net/mac80211/ibss.c:1652 CPU: 0 PID: 195 Comm: kworker/u8:4 Not tainted 6.10.0-rc6-syzkaller-00071-gfdd6064ff31c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events_power_efficient gc_worker pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : seqcount_lockdep_reader_access+0xe4/0x104 include/linux/seqlock.h:75 lr : seqcount_lockdep_reader_access+0xe0/0x104 include/linux/seqlock.h:74 sp : ffff800098257990 x29: ffff800098257990 x28: ffff0000d0603380 x27: ffff0000d06033c8 x26: ffff80008f1b8000 x25: 1ffff00011e25e40 x24: ffff80008f1b8000 x23: dfff800000000000 x22: ffff80008f1b8000 x21: 0000000000000000 x20: ffff80008f1b8628 x19: 00000000000000c0 x18: 1fffe000367a9dde x17: ffff80008f1ad000 x16: ffff800080559784 x15: 0000000000000001 x14: ffff80008f1b0568 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5a7bc80 x7 : ffff800089615fd0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] seqcount_lockdep_reader_access+0xe4/0x104 include/linux/seqlock.h:74 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline] gc_worker+0x298/0x1288 net/netfilter/nf_conntrack_core.c:1488 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248 process_scheduled_works kernel/workqueue.c:3329 [inline] worker_thread+0x938/0xecc kernel/workqueue.c:3409 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.10.0-rc6-syzkaller-00071-gfdd6064ff31c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:50 lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:124 sp : ffff800095027d10 x29: ffff800095027d10 x28: dfff800000000000 x27: 1ffff00012a04fb0 x26: ffff80008f1ad000 x25: 0000000000000000 x24: 0000000000000002 x23: 1ffff00011e35aad x22: ffff80008f1ad568 x21: 0000000000000000 x20: ffff0000c1b70000 x19: ffff8000802e7248 x18: 1fffe000367ae5de x17: ffff80008f1ad000 x16: ffff8000802e6b0c x15: 0000000000000001 x14: 1fffe000367b0341 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000 x8 : 0000000000076e31 x7 : ffff80008047dd90 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b072a70 x2 : 0000000000000000 x1 : ffff80008b1f0460 x0 : ffff800124c7c000 Call trace: __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x1f0/0x4e4 kernel/sched/idle.c:332 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:430 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:277 __secondary_switched+0xb8/0xbc arch/arm64/kernel/head.S:417