------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 24310 ms WARNING: CPU: 1 PID: 11437 at net/sched/sch_generic.c:526 dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 Modules linked in: CPU: 1 PID: 11437 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 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: fffffffffffffe51 x26: ffff0000d4c15400 x25: 0000000000000000 x24: 0000000000000110 x23: ffff0000d4c15470 x22: 0000000000005ef6 x21: ffff0000da21e000 x20: ffff0000da21e000 x19: ffff0000da21e548 x18: ffff800080017080 x17: 0000000000000000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000104 x10: 0000000000ff0100 x9 : ab0ba43aaf3db600 x8 : ab0ba43aaf3db600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017498 x4 : ffff80008e5d20c0 x3 : ffff8000805ab6bc x2 : 0000000000000001 x1 : 0000000000000102 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+0x2d8/0xce4 kernel/softirq.c:553 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:886 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:434 [inline] __irq_exit_rcu+0x1d8/0x434 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 trace_contention_begin+0xc/0x2b8 include/trace/events/lock.h:95 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 smk_import_entry+0x1ec/0x430 security/smack/smack_access.c:567 smk_fetch+0xfc/0x150 security/smack/smack_lsm.c:310 smack_d_instantiate+0x594/0x880 security/smack/smack_lsm.c:3573 security_d_instantiate+0x98/0xf0 security/security.c:3799 d_instantiate_new+0x64/0x120 fs/dcache.c:2052 ext4_add_nondir+0x1d4/0x244 fs/ext4/namei.c:2800 ext4_symlink+0x764/0x9bc fs/ext4/namei.c:3436 vfs_symlink+0x138/0x260 fs/namei.c:4464 do_symlinkat+0x1bc/0x45c fs/namei.c:4490 __do_sys_symlinkat fs/namei.c:4506 [inline] __se_sys_symlinkat fs/namei.c:4503 [inline] __arm64_sys_symlinkat+0xa4/0xbc fs/namei.c:4503 __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: 581 hardirqs last enabled at (580): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (580): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (580): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (581): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (202): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (555): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- sl0: transmit timed out, driver error?