rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2646 jiffies s: 241 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc7-syzkaller-00158-g51474ab44abf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:find_endpoint+0x236/0x2b0 drivers/usb/gadget/udc/dummy_hcd.c:1590
Code: fe 44 89 f7 e8 0b f6 e3 fc 45 38 fe 0f 85 60 ff ff ff e8 3d fc e3 fc 4d 6b ed 78 4f 8d 64 2c 40 eb 03 45 31 e4 e8 2a fc e3 fc <4c> 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 93 f4 35
RSP: 0000:ffffc900001a8be8 EFLAGS: 00000046
RAX: 0000000000010002 RBX: 000000000000000b RCX: ffffffff846ee105
RDX: ffff888102af0000 RSI: ffffffff846ee126 RDI: 0000000000000000
RBP: ffff88810973c588 R08: 0000000000000000 R09: 0000000000000082
R10: 0000000000000082 R11: 0000000000000003 R12: ffff88810973c568
R13: 0000000000000528 R14: 0000000000000082 R15: 0000000000000082
FS:  0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555579f52818 CR3: 000000011c9dc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 dummy_timer+0x47e/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1856
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x8b/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: be b0 01 00 00 e8 a0 ff ff ff 31 c0 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 48 8b 15 64 e8 b0 7e 65 8b 05 65 e8 b0 7e a9 00 01
RSP: 0000:ffffc900001f7298 EFLAGS: 00000202
RAX: 0000000000000006 RBX: ffffffff86c8a504 RCX: 1ffff9200003ee41
RDX: 0000000000000004 RSI: ffffffff86869282 RDI: ffffc900001f7563
RBP: ffffc900001f7565 R08: ffffc900001f7561 R09: 0000000000000007
R10: ffffc900001f755f R11: 0000000000333043 R12: ffffffff86c8a504
R13: 000000000000005d R14: ffffc900001f7388 R15: 0000000000000004
 vsnprintf+0x379/0x1880 lib/vsprintf.c:2774
 sprintf+0xcd/0x110 lib/vsprintf.c:3028
 print_caller kernel/printk/printk.c:1341 [inline]
 info_print_prefix+0x147/0x350 kernel/printk/printk.c:1358
 record_print_text+0x141/0x400 kernel/printk/printk.c:1405
 printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2840
 console_emit_next_record kernel/printk/printk.c:2880 [inline]
 console_flush_all+0x3b2/0xd70 kernel/printk/printk.c:2979
 console_unlock+0xae/0x290 kernel/printk/printk.c:3048
 vprintk_emit kernel/printk/printk.c:2348 [inline]
 vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2303
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2373
 __print_lock_name+0xac/0x260 kernel/locking/lockdep.c:722
 print_lock_name kernel/locking/lockdep.c:739 [inline]
 print_lock+0x121/0x310 kernel/locking/lockdep.c:777
 lockdep_print_held_locks+0x114/0x1b0 kernel/locking/lockdep.c:798
 debug_show_all_locks+0x162/0x340 kernel/locking/lockdep.c:6618
 check_hung_uninterruptible_tasks kernel/hung_task.c:219 [inline]
 watchdog+0xf95/0x1240 kernel/hung_task.c:380
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
NMI backtrace for cpu 0
CPU: 0 PID: 4876 Comm: dhcpcd Not tainted 6.9.0-rc7-syzkaller-00158-g51474ab44abf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
RIP: 0010:stack_access_ok+0x96/0x270 arch/x86/kernel/unwind_orc.c:393
Code: 89 04 24 48 b8 00 00 00 00 00 fc ff df 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 84 01 00 00 44 8b 3b 31 ff 44 89 fe e8 ca c3 3d 00 <45> 85 ff 74 0e e8 e0 c8 3d 00 4c 39 f5 0f 83 1b 01 00 00 e8 d2 c8
RSP: 0018:ffffc900024bf0c8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffc900024bf190 RCX: ffffffff81151466
RDX: ffff888116768000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffffc900024bf700 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffffc900024bf198
R13: ffffc900024bf1a0 R14: ffffc900024b8000 R15: 0000000000000001
FS:  00007f6eb5a84740(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f321927f018 CR3: 000000011c93a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
 unwind_next_frame+0x1b94/0x23a0 arch/x86/kernel/unwind_orc.c:648
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 save_stack+0x162/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x8d/0x400 mm/page_owner.c:302
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1141 [inline]
 free_unref_page_prepare+0x50c/0xae0 mm/page_alloc.c:2347
 free_unref_page+0x33/0x2d0 mm/page_alloc.c:2487
 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408
 apply_to_pte_range mm/memory.c:2744 [inline]
 apply_to_pmd_range mm/memory.c:2788 [inline]
 apply_to_pud_range mm/memory.c:2824 [inline]
 apply_to_p4d_range mm/memory.c:2860 [inline]
 __apply_to_page_range+0x57b/0xdc0 mm/memory.c:2894
 kasan_release_vmalloc+0xac/0xc0 mm/kasan/shadow.c:525
 purge_vmap_node+0x3fc/0x920 mm/vmalloc.c:2183
 __purge_vmap_area_lazy+0x9ca/0xc10 mm/vmalloc.c:2265
 _vm_unmap_aliases+0x29c/0xbd0 mm/vmalloc.c:2843
 change_page_attr_set_clr+0x24c/0x490 arch/x86/mm/pat/set_memory.c:1842
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1890 [inline]
 set_memory_ro+0x7c/0xb0 arch/x86/mm/pat/set_memory.c:2076
 bpf_prog_lock_ro include/linux/filter.h:895 [inline]
 bpf_prog_select_runtime+0x4fb/0x640 kernel/bpf/core.c:2406
 bpf_migrate_filter+0x2eb/0x390 net/core/filter.c:1303
 bpf_prepare_filter+0x183/0x380 net/core/filter.c:1351
 __get_filter+0x20b/0x2b0 net/core/filter.c:1520
 sk_attach_filter+0x1e/0x180 net/core/filter.c:1535
 sk_setsockopt+0x2ee9/0x39f0 net/core/sock.c:1372
 do_sock_setsockopt+0x193/0x1d0 net/socket.c:2307
 __sys_setsockopt+0x1a4/0x270 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2340
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6eb5b5cb7a
Code: d8 64 89 02 48 83 c8 ff 89 ef 48 89 44 24 08 e8 eb 54 f9 ff 48 8b 44 24 08 48 83 c4 30 5d c3 c3 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 7f c2 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe0a2e5ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00005558e1c1a8a0 RCX: 00007f6eb5b5cb7a
RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007ffe0a2e5d30 R08: 0000000000000010 R09: 00007ffe0a2e5e20
R10: 00007ffe0a2e5d08 R11: 0000000000000246 R12: 00005558e1c1bfcc
R13: 0000000000000006 R14: 00007ffe0a2e5dd0 R15: 00005558e1c1bfe4
 </TASK>