syzbot

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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 14995 at net/sched/sch_generic.c:526 dev_watchdog+0x5ac/0x62c net/sched/sch_generic.c:525
Modules linked in:
CPU: 1 PID: 14995 Comm: syz-executor617 Not tainted 6.1.82-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dev_watchdog+0x5ac/0x62c net/sched/sch_generic.c:525
lr : dev_watchdog+0x5ac/0x62c net/sched/sch_generic.c:525
sp : ffff800008017bb0
x29: ffff800008017be0 x28: dfff800000000000 x27: fffffffffffffb11
x26: ffff0000d9c08800 x25: 0000000000000000 x24: 0000000000000110
x23: ffff0000d870e000 x22: ffff0000d9c08870 x21: ffff0000d870e460
x20: ffff800018167000 x19: ffff0000d870e548 x18: ffff800008016fa0
x17: 0000000000000000 x16: ffff80001214de8c x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : dcb7d67c9b8e6700
x8 : dcb7d67c9b8e6700 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800008017498 x4 : ffff800015922ae0 x3 : ffff8000085886bc
x2 : 0000000000000001 x1 : 0000000000000102 x0 : 0000000000000000
Call trace:
 dev_watchdog+0x5ac/0x62c net/sched/sch_generic.c:525
 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1790
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1803
 __do_softirq+0x314/0xe38 kernel/softirq.c:571
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:650
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 folio_memcg_lock+0x108/0x20c mm/memcontrol.c:2110
 lock_page_memcg+0x44/0x5c mm/memcontrol.c:2134
 page_add_file_rmap+0x150/0xca0 mm/rmap.c:1293
 do_set_pte+0x354/0x528 mm/memory.c:4405
 filemap_map_pages+0xa88/0x12f0 mm/filemap.c:3452
 do_fault_around mm/memory.c:4581 [inline]
 do_read_fault mm/memory.c:4607 [inline]
 do_fault mm/memory.c:4741 [inline]
 handle_pte_fault mm/memory.c:5013 [inline]
 __handle_mm_fault mm/memory.c:5155 [inline]
 handle_mm_fault+0x2538/0x3ef0 mm/memory.c:5276
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x330/0x890 arch/arm64/mm/fault.c:583
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:803
 el0_ia+0x9c/0x220 arch/arm64/kernel/entry-common.c:533
 el0t_64_sync_handler+0xb4/0xf0 arch/arm64/kernel/entry-common.c:661
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 175
hardirqs last  enabled at (174): [<ffff800008343cc0>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (175): [<ffff800012149b44>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (26): [<ffff800008033178>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (147): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
sl0: transmit timed out, driver error?