rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10501 ticks this GP) idle=a9bc/1/0x4000000000000000 softirq=20080/20080 fqs=5246
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1202823          0            0
rcu: 	cputime:    24988      27510           77   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=8653 q=3600 ncpus=2)
CPU: 1 UID: 0 PID: 6475 Comm: syz.2.190 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:unwind_next_frame+0x19b0/0x2390
Code: 44 88 8b be 66 03 00 00 48 c7 c2 80 45 88 8b e8 76 a2 2b 00 48 c7 c7 e0 f0 13 8e 4c 89 fe e8 57 88 2b 00 e8 72 1e 35 00 89 d8 <48> 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9a 9f fe 09
RSP: 0018:ffffc900001e0338 EFLAGS: 00000287
RAX: 00000000903ec001 RBX: ffffffff903ec001 RCX: e3b7c390581e6600
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: dffffc0000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffc900001e07c8
R13: ffffc900001d9000 R14: ffffc900001e0408 R15: ffffffff8172aae5
FS:  00007f03f32866c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000010e8a2000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_mempool_poison_object+0xad/0x130
 napi_skb_cache_put+0x7b/0x730
 gro_receive_skb+0x59e/0xce0
 e1000_clean_rx_irq+0x980/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000a67f5e0 EFLAGS: 00000282
RAX: e3b7c390581e6600 RBX: 0000000000000000 RCX: e3b7c390581e6600
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc9000a67f690 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920014cfebc
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:stack_depot_save_flags+0x5b/0x900
Code: 00 89 d3 49 89 fe 89 4c 24 04 e8 c0 a3 b6 fc 41 89 c2 31 c0 45 85 d2 0f 84 01 04 00 00 80 3d 1b 7f e7 14 00 0f 85 f4 03 00 00 <43> 8d 34 12 42 8d 2c d5 7b 71 f5 75 83 fe 04 72 6f 89 e8 89 e9 4c
RSP: 0018:ffffc9000a67f758 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000cc0 RCX: 0000000000000001
RDX: 0000000000000c01 RSI: 000000000000000a RDI: ffffc9000a67f7d0
RBP: ffffc9000a67f9f8 R08: 0000000000000000 R09: ffffffff81cf14a6
R10: 000000000000000a R11: ffffffff81ad0050 R12: ffff88801a442000
R13: ffff88803ad3c000 R14: ffffc9000a67f7d0 R15: ffffc9000a67f701
 kasan_save_track+0x4f/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 iovec_from_user+0x87/0x250
 __import_iovec+0x163/0x7f0
 import_iovec+0x74/0xa0
 ___sys_recvmsg+0x43a/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03f238e9a9
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:00007f03f3286038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f03f25b5fa0 RCX: 00007f03f238e9a9
RDX: 0000000040000103 RSI: 0000200000000200 RDI: 0000000000000006
RBP: 00007f03f2410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f03f25b5fa0 R15: 00007ffcdab703b8
 </TASK>
sched: DL replenish lagged too much
