BUG: scheduling while atomic: syz-executor.1/6127/0x00000002 Modules linked in: Preemption disabled at: [] irq_enter_rcu+0x11/0x80 kernel/softirq.c:607 CPU: 1 PID: 6127 Comm: syz-executor.1 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707 schedule_debug kernel/sched/core.c:5734 [inline] __schedule+0xd19/0x1590 kernel/sched/core.c:6402 schedule+0x11f/0x1e0 kernel/sched/core.c:6595 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6654 mutex_optimistic_spin kernel/locking/mutex.c:521 [inline] __mutex_lock_common kernel/locking/mutex.c:620 [inline] __mutex_lock+0x5b5/0x1870 kernel/locking/mutex.c:755 __mutex_lock_killable_slowpath+0xe/0x10 kernel/locking/mutex.c:1012 mutex_lock_killable+0x137/0x1e0 kernel/locking/mutex.c:979 pcpu_alloc+0x2a8/0x13e0 mm/percpu.c:1774 __alloc_percpu_gfp+0x27/0x30 mm/percpu.c:1937 ip6_tnl_dev_init_gen net/ipv6/ip6_tunnel.c:1863 [inline] ip6_tnl_dev_init+0x96/0x6b0 net/ipv6/ip6_tunnel.c:1907 register_netdevice+0x37d/0x1390 net/core/dev.c:10291 register_netdev+0x3c/0x50 net/core/dev.c:10485 ip6_tnl_init_net+0x2da/0x390 net/ipv6/ip6_tunnel.c:2289 ops_init+0x1cf/0x4a0 net/core/net_namespace.c:135 setup_net+0x34b/0xb50 net/core/net_namespace.c:329 copy_net_ns+0x35c/0x5b0 net/core/net_namespace.c:473 create_new_namespaces+0x416/0x670 kernel/nsproxy.c:110 copy_namespaces+0x1d1/0x220 kernel/nsproxy.c:178 copy_process+0x1174/0x3290 kernel/fork.c:2267 kernel_clone+0x21e/0x9e0 kernel/fork.c:2662 __do_sys_clone kernel/fork.c:2788 [inline] __se_sys_clone kernel/fork.c:2772 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2772 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe59661ede9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe5953a0078 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fe59674cf80 RCX: 00007fe59661ede9 RDX: 0000000000000000 RSI: 00000000000000c0 RDI: 00000000738c0480 RBP: 00007fe59666b47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe59674cf80 R15: 00007ffc8b2bf1a8