INFO: task syz-executor.0:4103 blocked for more than 143 seconds. Not tainted 5.19.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:29168 pid: 4103 ppid: 4082 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 blk_mq_freeze_queue_wait+0xec/0x120 block/blk-mq.c:180 nbd_add_socket+0x152/0x7e0 drivers/block/nbd.c:1122 __nbd_ioctl drivers/block/nbd.c:1463 [inline] nbd_ioctl+0x3a2/0x9c0 drivers/block/nbd.c:1520 blkdev_ioctl+0x2ff/0x660 block/ioctl.c:614 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0114689049 RSP: 002b:00007f01157e4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f011479bf60 RCX: 00007f0114689049 RDX: 0000000000000005 RSI: 000000000000ab00 RDI: 0000000000000004 RBP: 00007f01146e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd386ccf3f R14: 00007f01157e4300 R15: 0000000000022000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x18f/0x1d0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0x88c/0xbf0 kernel/hung_task.c:369 kthread+0x299/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 5.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: events_power_efficient wg_ratelimiter_gc_entries RIP: 0010:ktime_get_coarse_with_offset+0x48/0x1a0 kernel/time/timekeeping.c:906 Code: 88 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 40 01 00 00 8b 0d 4c 49 44 0b 4c 8b 2c dd 20 07 ee 88 <85> c9 0f 85 16 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 89 ec 49 RSP: 0018:ffffc90000a1fca0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 1ffffffff11dc0e5 RSI: 0000000000000008 RDI: ffffffff88ee0728 RBP: ffffffff8b9fad60 R08: 0000000000000000 R09: ffffffff8ca52257 R10: fffffbfff194a44a R11: ffff8880b9f28148 R12: ffffc90000a1fdb8 R13: ffffffff8ada2a10 R14: ffffffff8b9fad60 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a69ad95600 CR3: 000000000aa8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ktime_get_coarse_boottime include/linux/timekeeping.h:100 [inline] ktime_get_coarse_boottime_ns include/linux/timekeeping.h:136 [inline] wg_ratelimiter_gc_entries+0x1b/0x370 drivers/net/wireguard/ratelimiter.c:57 process_one_work+0x841/0x13a0 kernel/workqueue.c:2289 worker_thread+0x598/0xec0 kernel/workqueue.c:2436 kthread+0x299/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306