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RTNL: assertion failed at ./include/net/netdev_lock.h (72)
WARNING: ./include/net/netdev_lock.h:72 at netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline], CPU#1: syz.3.1026/7278
WARNING: ./include/net/netdev_lock.h:72 at netdev_queue_get_dma_dev+0x480/0x4ac net/core/netdev_queues.c:43, CPU#1: syz.3.1026/7278
Modules linked in:
CPU: 1 UID: 0 PID: 7278 Comm: syz.3.1026 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline]
pc : netdev_queue_get_dma_dev+0x480/0x4ac net/core/netdev_queues.c:43
lr : netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline]
lr : netdev_queue_get_dma_dev+0x480/0x4ac net/core/netdev_queues.c:43
sp : ffff80009a6c7880
x29: ffff80009a6c7880 x28: 1fffe0001e04fd15 x27: dfff800000000000
x26: ffff7000134d8f1c x25: 0000000000000000 x24: 0000000000000000
x23: dfff800000000000 x22: ffff80008a158000 x21: 0000000000000000
x20: ffff0000d5720000 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff80008a791000 x16: 0000000000000003 x15: ffff80008a31ada0
x14: 0000000000000001 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000080000 x9 : 94512b97eee54200
x8 : 94512b97eee54200 x7 : ffff80008048e080 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f8070
x2 : 0000000100000000 x1 : ffff0000db7e8000 x0 : 0000000000000001
Call trace:
 netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline] (P)
 netdev_queue_get_dma_dev+0x480/0x4ac net/core/netdev_queues.c:43 (P)
 zcrx_register_netdev+0x1b8/0x460 io_uring/zcrx.c:830
 io_register_zcrx+0x7ac/0xa00 io_uring/zcrx.c:982
 __io_uring_register io_uring/register.c:942 [inline]
 __do_sys_io_uring_register io_uring/register.c:1040 [inline]
 __se_sys_io_uring_register io_uring/register.c:1017 [inline]
 __arm64_sys_io_uring_register+0x810/0x1494 io_uring/register.c:1017
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
irq event stamp: 194
hardirqs last  enabled at (193): [<ffff8000868ea26c>] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline]
hardirqs last  enabled at (193): [<ffff8000868ea26c>] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62
hardirqs last disabled at (194): [<ffff8000868e6198>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (160): [<ffff80008013c0b4>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (160): [<ffff80008013c0b4>] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline]
softirqs last  enabled at (160): [<ffff80008013c0b4>] fpsimd_restore_current_state+0x39c/0x9c8 arch/arm64/kernel/fpsimd.c:1797
softirqs last disabled at (158): [<ffff80008013bd5c>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (158): [<ffff80008013bd5c>] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline]
softirqs last disabled at (158): [<ffff80008013bd5c>] fpsimd_restore_current_state+0x44/0x9c8 arch/arm64/kernel/fpsimd.c:1790
---[ end trace 0000000000000000 ]---