usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P14905/1:b..l rcu: (detected by 1, t=10503 jiffies, g=122041, q=6448 ncpus=2) task:syz.4.2518 state:R running task stack:20696 pid:14905 tgid:14905 ppid:14058 task_flags:0x400640 flags:0x07080001 Call Trace: context_switch kernel/sched/core.c:5388 [inline] __schedule+0x1821/0x5740 kernel/sched/core.c:7189 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x8b0 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x221/0x350 kernel/locking/lockdep.c:5872 Code: ff ff ff e8 71 ae 05 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 db 78 96 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 00 a3 08 0a cc 48 8d 3d e8 d8 91 RSP: 0000:ffffc9000d36deb8 EFLAGS: 00000286 RAX: 97f22f1722ae4a00 RBX: 0000000000000000 RCX: 0000000000000046 RDX: 000000000529b00f RSI: ffffffff8e215f65 RDI: ffffffff8c28b760 RBP: ffffffff8176e256 R08: ffffffff8176e256 R09: ffffffff8e95cce0 R10: ffffc9000d36e018 R11: ffffffff81b0e210 R12: 0000000000000002 R13: ffffffff8e95cce0 R14: 0000000000000000 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:300 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] class_rcu_constructor include/linux/rcupdate.h:1181 [inline] unwind_next_frame+0xc3/0x2550 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __set_page_owner+0x8d/0x4c0 mm/page_owner.c:341 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x22d/0x280 mm/page_alloc.c:1853 prep_new_page mm/page_alloc.c:1861 [inline] get_page_from_freelist+0x2593/0x2610 mm/page_alloc.c:3941 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5221 alloc_pages_mpol+0x235/0x490 mm/mempolicy.c:2490 folio_alloc_mpol_noprof+0x39/0x160 mm/mempolicy.c:2509 shmem_alloc_folio mm/shmem.c:1933 [inline] shmem_alloc_and_add_folio+0x442/0xf80 mm/shmem.c:1975 shmem_get_folio_gfp+0x5a9/0x1670 mm/shmem.c:2564 shmem_get_folio mm/shmem.c:2670 [inline] shmem_write_begin+0x16c/0x330 mm/shmem.c:3303 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4325 shmem_file_write_iter+0xf8/0x120 mm/shmem.c:3478 __kernel_write_iter+0x41e/0x880 fs/read_write.c:621 dump_emit_page fs/coredump.c:1304 [inline] dump_user_range+0xc19/0x12c0 fs/coredump.c:1378 elf_core_dump+0x34c2/0x3ad0 fs/binfmt_elf.c:2109 coredump_write+0x12b0/0x19d0 fs/coredump.c:1053 do_coredump fs/coredump.c:1132 [inline] vfs_coredump+0x3807/0x4530 fs/coredump.c:1206 get_signal+0x1107/0x1330 kernel/signal.c:3022 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0xa9/0x680 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 007f:0x744b63e2bab20aef RSP: 002b:0000000000000000 EFLAGS: 00000302 ORIG_RAX: 5173f341e9b9b0c2 RAX: c3dc88498cd4a794 RBX: 2801e6725f3cda90 RCX: 374118c8afa9598a RDX: 328885b69bf2f037 RSI: 14385714b2176cd5 RDI: fdc4cb8a25ade866 RBP: ebca1341ee2b7de7 R08: 39f044add78ae75a R09: 8b7a610dceb27612 R10: dd462a7cd104e2f1 R11: 303024ece960e034 R12: 17764b4e9d06ff11 R13: c45808b2dfa8b600 R14: b830b33bb7388259 R15: e7e087b19af2ff84 read_bulk_callback: 232 callbacks suppressed usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 read_bulk_callback: 313 callbacks suppressed usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71 usb 2-1: Rx status -71