rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2676 jiffies s: 48837 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14829 Comm: sed Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:memset+0x1/0x40 mm/kasan/shadow.c:43
Code: 08 31 ed eb d7 00 00 cc cc 89 f6 48 8b 0c 24 31 d2 e9 a3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 90 ec ff ff 55 <41> 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00
RSP: 0018:ffffc90000007550 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000000eb4 RCX: ffffffff816d4169
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8880b8e3b9f0
RBP: ffffc90000007660 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865
R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: 0000000000000046
R13: dffffc0000000000 R14: ffff8880b8e3b9c0 R15: 1ffff110171c7742
FS:  00007f0f227acc80(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce5f33f20 CR3: 00000000421ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 init_irq_work include/linux/irq_work.h:39 [inline]
 rcu_read_unlock_special+0x351/0x510 kernel/rcu/tree_plugin.h:675
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 trace_call_bpf+0x5bb/0x6b0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:9997
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 92 30 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900000079c0 EFLAGS: 00000206
RAX: 73068b7e85482800 RBX: 1ffff92000000f40 RCX: 73068b7e85482800
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0c20
RBP: ffffc90000007ac0 R08: ffffffff90af3277 R09: 1ffffffff215e64e
R10: dffffc0000000000 R11: fffffbfff215e64f R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 process_backlog+0x410/0x6f0 net/core/dev.c:6024
 __napi_poll+0xc0/0x460 net/core/dev.c:6590
 napi_poll net/core/dev.c:6657 [inline]
 net_rx_action+0x5dd/0xb20 net/core/dev.c:6771
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:mas_next_nentry lib/maple_tree.c:4750 [inline]
RIP: 0010:mas_next_entry+0x7a1/0xed0 lib/maple_tree.c:4839
Code: 45 0f b6 f7 44 89 f7 89 de e8 db 2a 69 f7 41 38 de 76 17 e8 71 2a 69 f7 45 31 f6 49 bf 00 00 00 00 00 fc ff df e9 98 fe ff ff <44> 89 f7 89 de e8 b5 2a 69 f7 41 38 de 0f 83 93 02 00 00 45 0f b6
RSP: 0018:ffffc900033e76e0 EFLAGS: 00000293
RAX: ffffffff8a1947f5 RBX: 0000000000000009 RCX: 0000000000000000
RDX: ffff888055473b80 RSI: 0000000000000009 RDI: 0000000000000001
RBP: ffffc900033e7820 R08: ffff888055473b80 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: ffff88807907f400
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001
 validate_mm_mt+0xf1/0x440 mm/mmap.c:296
 validate_mm+0xe1/0x2e0 mm/mmap.c:332
 __vma_adjust+0x1855/0x1cd0 mm/mmap.c:879
 vma_adjust include/linux/mm.h:2810 [inline]
 __split_vma+0x3a7/0x500 mm/mmap.c:-1
 mprotect_fixup+0x5b1/0x800 mm/mprotect.c:608
 do_mprotect_pkey+0x7fe/0xba0 mm/mprotect.c:777
 __do_sys_mprotect mm/mprotect.c:804 [inline]
 __se_sys_mprotect mm/mprotect.c:801 [inline]
 __x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:801
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0f22b3b2c7
Code: 89 3d fd 3f 01 00 eb 90 0f 1f 00 f7 d8 89 05 f0 3f 01 00 48 c7 c0 ff ff ff ff eb 91 0f 1f 80 00 00 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83
RSP: 002b:00007ffcc4f84d98 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f0f2281a6b0 RCX: 00007f0f22b3b2c7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f0f2280e000
RBP: 00007ffcc4f85060 R08: 0000000000000000 R09: 00007f0f228ad2e0
R10: 00007f0f2281a6b0 R11: 0000000000000206 R12: 0000000000000038
R13: 000001d09292dedb R14: 0000000000000000 R15: 00007f0f22b4f310
 </TASK>
net_ratelimit: 1515 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
net_ratelimit: 1823 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:7f:c4:33:84:40, vlan:0)