rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (1 GPs behind) idle=363c/1/0x4000000000000000 softirq=19913/19915 fqs=2100 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 0 0 0 ==> 52550(ms) rcu: (detected by 0, t=10506 jiffies, g=12569, q=2983 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6383 Comm: syz-executor Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:kasan_check_range+0x1a/0x1a0 mm/kasan/generic.c:188 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 50 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f 83 RSP: 0018:ffffc90000a18a78 EFLAGS: 00000092 RAX: ffffffff96e4ccd0 RBX: 000000000000006c RCX: ffffffff8175c19e RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff96e4ccc8 RBP: ffffc90000a18bd8 R08: 0000000000000000 R09: fffffbfff2dc9999 R10: ffffffff96e4cccf R11: 0000000000000002 R12: ffff88802c89c880 R13: 0000000000000100 R14: 0000000000000008 R15: 1ffff9200014315a FS: 000055557ce02500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c4adb0000 CR3: 000000003623a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228 mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4727 mark_usage kernel/locking/lockdep.c:4670 [inline] __lock_acquire+0x9f1/0x3c40 kernel/locking/lockdep.c:5180 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1743 [inline] __hrtimer_run_queues+0x2be/0xae0 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814 Code: b8 ff ff ff ff 65 0f c1 05 d0 d1 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffffc90003617ba0 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 1ffff920006c2f75 RCX: ffffffff8175c19e RDX: 0000000000000001 RSI: ffffffff8b6cdb60 RDI: ffffffff8bd1d340 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dc999a R10: ffffffff96e4ccd7 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff8e3733c0 R14: 0000000000000000 R15: 0000000000000000 fs_reclaim_acquire mm/page_alloc.c:3868 [inline] fs_reclaim_acquire+0xca/0x150 mm/page_alloc.c:3859 might_alloc include/linux/sched/mm.h:318 [inline] slab_pre_alloc_hook mm/slub.c:4055 [inline] slab_alloc_node mm/slub.c:4133 [inline] kmem_cache_alloc_noprof+0x54/0x3d0 mm/slub.c:4160 lsm_file_alloc security/security.c:733 [inline] security_file_alloc+0x34/0x2b0 security/security.c:2853 init_file+0x93/0x480 fs/file_table.c:156 alloc_empty_file+0x91/0x1e0 fs/file_table.c:232 alloc_file fs/file_table.c:345 [inline] alloc_file_pseudo+0x147/0x210 fs/file_table.c:376 sock_alloc_file+0x50/0x1d0 net/socket.c:468 sock_map_fd net/socket.c:493 [inline] __sys_socket+0x1c2/0x260 net/socket.c:1709 __do_sys_socket net/socket.c:1714 [inline] __se_sys_socket net/socket.c:1712 [inline] __x64_sys_socket+0x72/0xb0 net/socket.c:1712 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd677d82727 Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 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:00007ffe5460fee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fd677df4860 RCX: 00007fd677d82727 RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 RBP: 00007ffe5460ff00 R08: 0000000000000000 R09: 006567646972625f R10: 0000000000000021 R11: 0000000000000246 R12: 00007ffe5460ff80 R13: 00007fd677df4860 R14: 00007fd678a74620 R15: 00007fd677df4860