INFO: task syz.6.2234:7931 blocked for more than 126 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.2234 state:D stack:0 pid:7931 tgid:7930 ppid:7518 flags:0x00024000 Call Trace: context_switch kernel/sched/core.c:6063 [inline] __schedule+0x1496/0x20b0 kernel/sched/core.c:7883 __schedule_loop kernel/sched/core.c:7960 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7975 schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common+0x368/0x650 kernel/sched/completion.c:127 wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1265 [inline] io_wq_put_and_exit+0x34e/0x6a0 io_uring/io-wq.c:1293 io_uring_clean_tctx+0x117/0x190 io_uring/tctx.c:204 io_uring_cancel_generic+0x629/0x6eb io_uring/io_uring.c:3276 __io_uring_cancel+0x1e/0x3b io_uring/io_uring.c:3291 io_uring_files_cancel include/linux/io_uring.h:19 [inline] do_exit+0x52b/0x2850 kernel/exit.c:906 do_group_exit+0x21f/0x2f0 kernel/exit.c:1104 get_signal+0x134c/0x1490 kernel/signal.c:2941 arch_do_signal_or_restart+0xbc/0x700 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x4d/0xb0 kernel/entry/common.c:231 irqentry_exit+0x16/0x60 kernel/entry/common.c:334 sysvec_apic_timer_interrupt+0x50/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7f81ff39e159 RSP: 002b:00007f82002fbf38 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000200000000340 RCX: 00007f81ff39e159 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000074 RBP: 0000000000000c3a R08: 0000000000000000 R09: 0000000000000008 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000008 R14: 0000000000000e26 R15: 0000000000000000