------------[ cut here ]------------ WARNING: CPU: 1 PID: 13309 at fs/proc/proc_sysctl.c:1763 retire_sysctl_set+0x38/0x40 fs/proc/proc_sysctl.c:1763 Modules linked in: CPU: 1 PID: 13309 Comm: kworker/u4:17 Not tainted 6.1.0-rc4-syzkaller-31872-g1621b6eaebf7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : retire_sysctl_set+0x38/0x40 fs/proc/proc_sysctl.c:1763 lr : retire_sysctl_set+0x38/0x40 fs/proc/proc_sysctl.c:1763 sp : ffff8000141b3cc0 x29: ffff8000141b3cc0 x28: ffff00010cf73720 x27: ffff8000141b3d08 x26: ffff80000d7ade00 x25: ffff00010cf73720 x24: ffff0000c0028615 x23: ffff0001139bb730 x22: ffff8000141b3d08 x21: ffff80000d7adfe8 x20: ffff80000ce49422 x19: ffff0001139bb860 x18: 00000000000000c0 x17: ffff80000dcdc198 x16: ffff80000db1a158 x15: ffff00011e299a40 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff00011e299a40 x11: ff808000086f5268 x10: 0000000000000000 x9 : ffff8000086f5268 x8 : ffff00011e299a40 x7 : ffff8000095f3074 x6 : 0000000000000000 x5 : 0000000080100002 x4 : fffffc00047ab520 x3 : 0000000080100002 x2 : 0000000000000000 x1 : ffff80000caf0858 x0 : ffff0001139bb860 Call trace: retire_sysctl_set+0x38/0x40 fs/proc/proc_sysctl.c:1763 sysctl_net_exit+0x20/0x30 net/sysctl_net.c:87 ops_exit_list net/core/net_namespace.c:169 [inline] cleanup_net+0x370/0x648 net/core/net_namespace.c:601 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 370252 hardirqs last enabled at (370251): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (370251): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (370252): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (369994): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last enabled at (369994): [] netlink_release+0x68/0x4b8 net/netlink/af_netlink.c:757 softirqs last disabled at (369992): [] sock_orphan include/net/sock.h:2090 [inline] softirqs last disabled at (369992): [] netlink_release+0x4c/0x4b8 net/netlink/af_netlink.c:757 ---[ end trace 0000000000000000 ]---