eth0: bad gso: type: 1, size: 1408
eth0: bad gso: type: 1, size: 1408
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P4753/1:b..l
	(detected by 0, t=10502 jiffies, g=15041, q=142 ncpus=2)
task:rm              state:R  running task     stack:23880 pid:4753  ppid:4702   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:mt_validate+0x1053/0x5ad0 lib/maple_tree.c:7228
Code: 00 00 89 de e8 de b8 ee f6 83 fb 03 0f 87 2e 3a 00 00 e8 70 b5 ee f6 48 8d 9b 20 6c 2c 8c 48 89 d8 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 45 39 00 00 45 0f b6 f5 0f b6 1b 44 89 f7 89 de e8 a4
RSP: 0018:ffffc9000352f340 EFLAGS: 00000a06
RAX: 0000000000000004 RBX: ffffffff8c2c6c21 RCX: ffff888020611dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004
RBP: ffffc9000352f530 R08: ffffffff8a9beb22 R09: ffffffff8a9be976
R10: 0000000000000003 R11: ffff888020611dc0 R12: 00007fea6f8aefff
R13: 000000000000000e R14: dffffc0000000000 R15: ffffc9000352f498
 validate_mm_mt+0x165/0x670 mm/mmap.c:295
 validate_mm+0x16e/0x380 mm/mmap.c:332
 do_mas_align_munmap+0x132d/0x15f0 mm/mmap.c:2589
 do_mas_munmap+0x246/0x2b0 mm/mmap.c:2640
 mmap_region+0x8e6/0x1fa0 mm/mmap.c:2688
 do_mmap+0x8c5/0xf60 mm/mmap.c:1425
 vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:520
 ksys_mmap_pgoff+0x4f5/0x6d0 mm/mmap.c:1471
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fea6f980b74
RSP: 002b:00007fffa964b7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fffa964b808 RCX: 00007fea6f980b74
RDX: 0000000000000005 RSI: 0000000000006000 RDI: 00007fea6f6e2000
RBP: 00007fffa964bba0 R08: 0000000000000003 R09: 0000000000003000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fea6f963ac0
R13: 00007fffa964bc28 R14: 0000000000002ee0 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10447 jiffies! g15041 f0x0 RCU_GP_DOING_FQS(6) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26712 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6727
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x128/0x130 kernel/locking/spinlock.c:194
 rcu_gp_fqs_loop+0x62a/0x1150 kernel/rcu/tree.c:1728
 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4761 Comm: syz.3.304 Not tainted 6.1.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4724 [inline]
RIP: 0010:__lock_acquire+0x552/0x1f80 kernel/locking/lockdep.c:4999
Code: 41 8b 1e 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 20 92 73 90 be 08 00 00 00 e8 56 a0 77 00 48 0f a3 1d 1e 14 09 0f <73> 1f 48 8d 04 5b 48 c1 e0 06 48 8d 98 20 f1 42 90 48 ba 00 00 00
RSP: 0018:ffffc900001e0b60 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000048 RCX: ffffffff816a7dfa
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90739228
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff20e7246
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807218c658
R13: ffff88807218bb80 R14: ffff88807218c6a8 R15: 1ffff1100e4318d5
FS:  00007fc5c68bb6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ff7000 CR3: 0000000066895000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get_update_offsets_now+0x89/0x420 kernel/time/timekeeping.c:2320
 hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
 hrtimer_interrupt+0x12f/0x980 kernel/time/hrtimer.c:1794
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: a1 9d f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 6e 1a bb f6 48 89 df e8 d6 57 bc f6 e8 c1 e5 e1 f6 fb bf 01 00 00 00 <e8> c6 e8 ae f6 65 8b 05 67 f1 52 75 85 c0 74 02 5b c3 e8 14 15 51
RSP: 0018:ffffc900035afb30 EFLAGS: 00000286
RAX: 2236c687ab544e00 RBX: ffff88805694a500 RCX: ffffffff91f31103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: ffffc900035afc70 R08: dffffc0000000000 R09: ffffed100ad294a1
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100ad29533
R13: 000000001c000004 R14: 0000000000000021 R15: ffff88805694a998
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x154b/0x17d0 kernel/signal.c:2873
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc5c5b779f7
Code: ff ff 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
RSP: 002b:00007fc5c68bb0e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007fc5c5d06210 RCX: 00007fc5c5b779f9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc5c5d06210
RBP: 00007fc5c5d06208 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5c5d06214
R13: 0000000000000000 R14: 00007ffe4726bc10 R15: 00007ffe4726bcf8
 </TASK>