INFO: task syz-executor.3:13666 blocked for more than 159 seconds. Not tainted 5.15.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28288 pid:13666 ppid: 6815 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4969 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6250 schedule+0xd2/0x260 kernel/sched/core.c:6323 exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline] synchronize_rcu_expedited+0x5a8/0x620 kernel/rcu/tree_exp.h:836 synchronize_rcu+0x132/0x190 kernel/rcu/tree.c:3744 synchronize_net+0x4a/0x50 net/core/dev.c:10981 packet_release+0xa2a/0xcc0 net/packet/af_packet.c:3135 __sock_release+0xcd/0x280 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1314 __fput+0x286/0x9f0 fs/file_table.c:280 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xc14/0x2b40 kernel/exit.c:832 do_group_exit+0x125/0x310 kernel/exit.c:929 get_signal+0x47d/0x21d0 kernel/signal.c:2820 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f24f1948ae9 RSP: 002b:00007f24eee9d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f24f1a5c028 RCX: 00007f24f1948ae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f24f1a5c028 RBP: 00007f24f1a5c020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24f1a5c02c R13: 00007f24f1f8fb2f R14: 00007f24eee9d300 R15: 0000000000022000