BUG: scheduling while atomic: syz-executor.4/650/0x00000002 Modules linked in: Preemption disabled at: [] is_module_text_address+0x1f/0x360 kernel/module/main.c:3140 CPU: 0 PID: 650 Comm: syz-executor.4 Tainted: G W 6.1.78-syzkaller-00008-g4c45e2f34089 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5975 schedule_debug kernel/sched/core.c:6002 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6637 schedule+0xc3/0x180 kernel/sched/core.c:6820 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6879 mutex_optimistic_spin kernel/locking/mutex.c:529 [inline] __mutex_lock_common kernel/locking/mutex.c:629 [inline] __mutex_lock+0x5b6/0x1ca0 kernel/locking/mutex.c:774 __mutex_lock_slowpath+0xe/0x10 kernel/locking/mutex.c:1063 mutex_lock+0x130/0x1e0 kernel/locking/mutex.c:295 exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] synchronize_rcu_expedited+0x2fa/0x890 kernel/rcu/tree_exp.h:949 synchronize_net+0x28/0x40 net/core/dev.c:10787 ipv6_mc_down+0x9b/0x360 net/ipv6/mcast.c:2725 ipv6_mc_destroy_dev+0x2b/0x630 net/ipv6/mcast.c:2792 addrconf_ifdown+0x162c/0x1ab0 net/ipv6/addrconf.c:3930 addrconf_notify+0x32f/0xe10 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0x8c/0xf0 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:1977 [inline] call_netdevice_notifiers_extack net/core/dev.c:2015 [inline] call_netdevice_notifiers net/core/dev.c:2029 [inline] unregister_netdevice_many+0xe2a/0x1740 net/core/dev.c:10885 unregister_netdevice_queue+0x2e6/0x350 net/core/dev.c:10816 unregister_netdevice include/linux/netdevice.h:3100 [inline] __tun_detach+0xcf9/0x14c0 drivers/net/tun.c:684 tun_detach drivers/net/tun.c:700 [inline] tun_chr_close+0x92/0x140 drivers/net/tun.c:3486 __fput+0x3ab/0x870 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x24d/0x2e0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2cc527cea9 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:00007f2cc60580c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f2cc53b3f80 RCX: 00007f2cc527cea9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f2cc52ebff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2cc53b3f80 R15: 00007ffd37b0c198