block nbd0: Send control failed (result -107)
block nbd0: Request send failed, requeueing
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 cpu_max_bits_warn include/linux/cpumask.h:137 [inline]
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 cpumask_check include/linux/cpumask.h:144 [inline]
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 cpumask_check include/linux/cpumask.h:142 [inline]
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 cpumask_test_cpu include/linux/cpumask.h:360 [inline]
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 blk_mq_hctx_next_cpu block/blk-mq.c:1408 [inline]
WARNING: CPU: 0 PID: 2625 at include/linux/cpumask.h:137 __blk_mq_delay_run_hw_queue+0x498/0x600 block/blk-mq.c:1444
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 2625 Comm: kworker/0:1H Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: kblockd blk_mq_requeue_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:137 [inline]
RIP: 0010:cpumask_check include/linux/cpumask.h:144 [inline]
RIP: 0010:cpumask_check include/linux/cpumask.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:360 [inline]
RIP: 0010:blk_mq_hctx_next_cpu block/blk-mq.c:1408 [inline]
RIP: 0010:__blk_mq_delay_run_hw_queue+0x498/0x600 block/blk-mq.c:1444
Code: 01 00 00 41 c7 84 24 24 01 00 00 01 00 00 00 41 bd 40 00 00 00 e9 ab fe ff ff 41 bd 40 00 00 00 e9 a0 fe ff ff e8 f8 05 eb fd <0f> 0b e9 50 fd ff ff e8 ec 05 eb fd 48 c7 c2 00 4d 7b 8a 4c 89 fe
RSP: 0018:ffffc90007b97b18 EFLAGS: 00010293
RAX: ffff8880a1200000 RBX: 0000000000000040 RCX: ffffffff8389ecd6
RDX: 0000000000000000 RSI: ffffffff8389ef88 RDI: 0000000000000005
RBP: ffffc90007b97b58 R08: ffff8880a1200000 R09: ffffed101249240a
R10: ffffed1012492409 R11: ffff88809249204f R12: ffff888092492000
R13: 0000000000000040 R14: ffff888092492124 R15: 0000000000000000
 blk_mq_run_hw_queue+0x191/0x340 block/blk-mq.c:1473
 blk_mq_run_hw_queues+0x112/0x1a0 block/blk-mq.c:1486
 blk_mq_requeue_work+0x502/0x780 block/blk-mq.c:741
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..