rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (1 GPs behind) idle=2f5/1/0x4000000000000000 softirq=7067/7069 fqs=5138 (detected by 0, t=10502 jiffies, g=5949, q=921) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4388 Comm: syz.0.33 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:do_raw_spin_lock+0x1eb/0x370 kernel/locking/spinlock_debug.c:118 Code: 24 38 48 c7 04 02 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 00 00 00 0f 85 7c 01 00 00 48 8d 65 d8 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 4c 89 e7 48 c7 c6 a0 80 ab 8a e8 60 18 00 00 48 RSP: 0018:ffffc90000dd0ca0 EFLAGS: 00000046 RAX: 0d691de5234eff00 RBX: 1ffff1100587bc83 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90000dd0c40 RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8880246a6800 R13: ffff8880246a6b40 R14: ffffc90000dd0c40 R15: 1ffff110048d4d5e FS: 00007f0f185d76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3031eff8 CR3: 00000000618f6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_lock include/linux/spinlock.h:363 [inline] advance_sched+0x47/0x940 net/sched/sch_taprio.c:716 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:lock_is_held_type+0x137/0x180 Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc9000330f590 EFLAGS: 00000206 RAX: 0d691de5234eff00 RBX: 0000000000000001 RCX: 0000000080000001 RDX: ffff88802c3dd940 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f000 RBP: 0000000000000001 R08: ffffffff81a84335 R09: fffff940002ca857 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246 R13: ffff88802c3dd940 R14: 00000000ffffffff R15: ffffffff8cb1fd20 xa_entry include/linux/xarray.h:1182 [inline] xas_next_entry+0x270/0x3d0 include/linux/xarray.h:1641 next_map_page mm/filemap.c:3296 [inline] filemap_map_pages+0xf90/0x15c0 mm/filemap.c:3352 do_fault_around mm/memory.c:4241 [inline] do_read_fault mm/memory.c:4256 [inline] do_fault mm/memory.c:4390 [inline] handle_pte_fault mm/memory.c:4648 [inline] __handle_mm_fault mm/memory.c:4783 [inline] handle_mm_fault+0x341b/0x5960 mm/memory.c:4881 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197 populate_vma_page_range+0x215/0x2a0 mm/gup.c:1529 __mm_populate+0x2a5/0x4a0 mm/gup.c:1638 mm_populate include/linux/mm.h:2632 [inline] vm_mmap_pgoff+0x22b/0x2d0 mm/util.c:556 ksys_mmap_pgoff+0x13e/0x780 mm/mmap.c:1623 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f0f1a766d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0f185d7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f0f1a956fa0 RCX: 00007f0f1a766d29 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f0f1a7e2a20 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0f1a956fa0 R15: 00007ffc94f00af8