------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 28160 ms WARNING: CPU: 1 PID: 6103 at net/sched/sch_generic.c:526 dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 Modules linked in: CPU: 1 PID: 6103 Comm: syz-executor153 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 lr : dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 sp : ffff800080017bb0 x29: ffff800080017be0 x28: dfff800000000000 x27: fffffffffffffcd0 x26: ffff0000cc7af000 x25: 0000000000000000 x24: 0000000000000110 x23: ffff0000cc7af070 x22: 0000000000006e00 x21: ffff0000d588e000 x20: ffff0000d588e000 x19: ffff0000d588e548 x18: ffff8000800170a0 x17: 0000000000000000 x16: ffff80008a71b23c x15: 0000000000000001 x14: 1fffe00036833432 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000101 x10: 0000000000000100 x9 : 8bfc359292898d00 x8 : 8bfc359292898d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017498 x4 : ffff80008e4210a0 x3 : ffff8000805a359c x2 : 0000000000000001 x1 : 0000000100000101 x0 : 0000000000000000 Call trace: dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x55c/0x734 kernel/time/timer.c:2022 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035 __do_softirq+0x2d0/0xd54 kernel/softirq.c:553 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:886 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:434 [inline] __irq_exit_rcu+0x200/0x494 kernel/softirq.c:632 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:591 r8712_event_handle+0x42c/0xb374 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_killable_nested+0x2c/0x38 kernel/locking/mutex.c:814 pcpu_alloc+0x23c/0x19f4 mm/percpu.c:1771 __alloc_percpu+0x30/0x40 mm/percpu.c:1945 mm_alloc_cid include/linux/mm_types.h:1085 [inline] mm_init+0x4dc/0x8b0 kernel/fork.c:1304 dup_mm kernel/fork.c:1683 [inline] copy_mm+0x160/0x1a74 kernel/fork.c:1735 copy_process+0x1980/0x34b8 kernel/fork.c:2501 kernel_clone+0x1d8/0x80c kernel/fork.c:2909 __do_sys_clone kernel/fork.c:3052 [inline] __se_sys_clone kernel/fork.c:3020 [inline] __arm64_sys_clone+0x1f8/0x24c kernel/fork.c:3020 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 4882525 hardirqs last enabled at (4882524): [] __up_console_sem kernel/printk/printk.c:347 [inline] hardirqs last enabled at (4882524): [] __console_unlock kernel/printk/printk.c:2718 [inline] hardirqs last enabled at (4882524): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3037 hardirqs last disabled at (4882525): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (4882458): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (4882501): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- sl0: transmit timed out, driver error?