rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2650 jiffies s: 114221 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: 20728 Comm: syz-executor.2 Not tainted 6.5.0-rc2-syzkaller-00224-gd4a7ce642100 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200 Code: a6 fb 98 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 cd 48 7d 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffffc900001e0bb8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc9001c1db7b0 RCX: ffffffff885877fd RDX: ffff888042ce3b80 RSI: 0000000000000100 RDI: 0000000000000006 RBP: ffff88805080a300 R08: 0000000000000006 R09: 000000000001c9c3 R10: 0000000000000000 R11: 00000000f4cf3ba4 R12: 000000000001c9c3 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007feb08f166c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002018d000 CR3: 0000000035fef000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pie_calculate_probability+0x457/0x850 net/sched/sch_pie.c:410 fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:stop_this_handle+0x1e1/0x520 fs/jbd2/transaction.c:747 Code: 3c 03 0f 8e 29 03 00 00 44 8b 63 10 e8 d8 d5 41 ff 48 8d bd d4 00 00 00 be 04 00 00 00 e8 07 ca 95 ff f0 44 29 a5 d4 00 00 00 <48> 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 RSP: 0018:ffffc900030ff838 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88804bc09d68 RCX: ffffffff82449ae9 RDX: ffffed100855190b RSI: 0000000000000004 RDI: ffff888042a8c854 RBP: ffff888042a8c780 R08: 0000000000000001 R09: ffffed100855190a R10: ffff888042a8c857 R11: 0000000000094000 R12: 0000000000000003 R13: ffff88814c5fe000 R14: ffff888042a8c850 R15: 0000000000000000 jbd2_journal_stop+0x67a/0xe10 fs/jbd2/transaction.c:1956 __ext4_journal_stop+0xdd/0x200 fs/ext4/ext4_jbd2.c:133 ext4_dirty_inode+0xed/0x130 fs/ext4/inode.c:5923 __mark_inode_dirty+0x1e0/0xd50 fs/fs-writeback.c:2430 mark_inode_dirty include/linux/fs.h:2148 [inline] generic_write_end+0x35f/0x440 fs/buffer.c:2320 ext4_da_write_end+0x1fe/0xb40 fs/ext4/inode.c:2988 generic_perform_write+0x32e/0x600 mm/filemap.c:3934 ext4_buffered_write_iter+0x11f/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x7ee/0x1950 fs/ext4/file.c:722 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x650/0xe40 fs/read_write.c:584 ksys_write+0x12f/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7feb0827cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007feb08f160c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007feb0839c050 RCX: 00007feb0827cb29 RDX: 000000000208e24b RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007feb082c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007feb0839c050 R15: 00007ffedee9b2d8 tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on tipc: Duplicate a6aaaa using ib(00:00:00:01:aa:aa:aa:aa:aa:0c:00:00:00:00:00:00:00:00:00:00) seen on