[10114.697836] rcu: INFO: rcu_preempt self-detected stall on CPU
[10114.698006] rcu: 	0-....: (9471387 ticks this GP) idle=c784/1/0x4000000000000000 softirq=92833/92834 fqs=2318826
[10114.698101] rcu: 	(t=9471450 jiffies g=207793 q=362 ncpus=4)
[10114.698160] CPU: 0 UID: 0 PID: 26316 Comm: mptcp_connect Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[10114.698162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[10114.698164] RIP: 0010:queued_spin_lock_slowpath+0x82/0x2a0
[10114.698170] Code: 75 56 85 c0 74 12 0f b6 45 00 84 c0 74 0a f3 90 0f b6 45 00 84 c0 75 f6 b8 01 00 00 00 66 89 45 00 5b 5d 41 5c 41 5d c3 f3 90 <eb> 95 8b 37 b8 00 02 00 00 81 fe 00 01 00 00 74 07 eb a1 83 e8 01
[10114.698172] RSP: 0018:ffffbb8f402cbb98 EFLAGS: 00000202
[10114.698174] RAX: 0000000000000001 RBX: ffff9e724855b640 RCX: 0000000000000020
[10114.698175] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff9e724855bdc4
[10114.698176] RBP: ffff9e724855bdc4 R08: 0000000000000000 R09: 0000000000000000
[10114.698177] R10: ffff9e7241ceaa08 R11: 0000000000000000 R12: 0000000000000000
[10114.698177] R13: ffff9e724855bdc4 R14: ffff9e7243262e80 R15: 0000000000001f9c
[10114.698180] FS:  00007ff9a3288b80(0000) GS:ffff9e72cc1c0000(0000) knlGS:0000000000000000
[10114.698181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10114.698182] CR2: 00007fff2a78b298 CR3: 0000000002f05001 CR4: 0000000000772ef0
[10114.698183] PKRU: 55555554
[10114.698184] Call Trace:
[10114.698185]  <TASK>
[10114.698188]  __mptcp_try_fallback+0x49/0x90
[10114.698192]  mptcp_sendmsg_frag+0x6c4/0x820
[10114.698194]  __mptcp_retrans+0x1c2/0x3f0
[10114.698197]  mptcp_release_cb+0x1f9/0x390
[10114.698199]  release_sock+0x44/0x90
[10114.698203]  mptcp_sendmsg+0x46e/0x6b0
[10114.698205]  sock_write_iter+0xb5/0x140
[10114.698209]  vfs_write+0x3cb/0x470
[10114.698214]  ksys_write+0xb4/0xe0
[10114.698216]  do_syscall_64+0xa4/0xfd0
[10114.698219]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[10114.698222] RIP: 0033:0x7ff9a3389257
[10114.698224] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[10114.698226] RSP: 002b:00007fff2a78f338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[10114.698227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff9a3389257
[10114.698228] RDX: 0000000000001f9c RSI: 00007fff2a791564 RDI: 0000000000000005
[10114.698229] RBP: 0000000000001f9c R08: 00007ff9a348421c R09: 00007ff9a3484280
[10114.698230] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a791500
[10114.698231] R13: 00007fff2a791564 R14: 0000000000002000 R15: 0000000000002000
[10114.698232]  </TASK>
[10130.542856] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 9457315 jiffies s: 90761 root: 0x1/.
[10130.543069] rcu: blocking rcu_node structures (internal RCU debug):
[10130.543129] Sending NMI from CPU 3 to CPUs 0:
[10130.543185] NMI backtrace for cpu 0
[10130.543189] CPU: 0 UID: 0 PID: 26316 Comm: mptcp_connect Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[10130.543191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[10130.543192] RIP: 0010:queued_spin_lock_slowpath+0x19/0x2a0
[10130.543200] Code: 89 c6 e9 0a 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 0f 1f 44 00 00 41 55 41 54 55 48 89 fd 53 66 90 ba 01 00 00 00 <8b> 45 00 85 c0 75 60 f0 0f b1 55 00 75 59 5b 5d 41 5c 41 5d c3 81
[10130.543201] RSP: 0018:ffffbb8f402cbb98 EFLAGS: 00000202
[10130.543203] RAX: 0000000000000001 RBX: ffff9e724855b640 RCX: 0000000000000020
[10130.543204] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff9e724855bdc4
[10130.543205] RBP: ffff9e724855bdc4 R08: 0000000000000000 R09: 0000000000000000
[10130.543206] R10: ffff9e7241ceaa08 R11: 0000000000000000 R12: 0000000000000000
[10130.543206] R13: ffff9e724855bdc4 R14: ffff9e7243262e80 R15: 0000000000001f9c
[10130.543209] FS:  00007ff9a3288b80(0000) GS:ffff9e72cc1c0000(0000) knlGS:0000000000000000
[10130.543210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10130.543211] CR2: 00007fff2a78b298 CR3: 0000000002f05001 CR4: 0000000000772ef0
[10130.543212] PKRU: 55555554
[10130.543212] Call Trace:
[10130.543214]  <TASK>
[10130.543217]  __mptcp_try_fallback+0x49/0x90
[10130.543220]  mptcp_sendmsg_frag+0x6c4/0x820
[10130.543222]  __mptcp_retrans+0x1c2/0x3f0
[10130.543225]  mptcp_release_cb+0x1f9/0x390
[10130.543228]  release_sock+0x44/0x90
[10130.543230]  mptcp_sendmsg+0x46e/0x6b0
[10130.543233]  sock_write_iter+0xb5/0x140
[10130.543236]  vfs_write+0x3cb/0x470
[10130.543241]  ksys_write+0xb4/0xe0
[10130.543243]  do_syscall_64+0xa4/0xfd0
[10130.543246]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[10130.543249] RIP: 0033:0x7ff9a3389257
[10130.543251] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[10130.543252] RSP: 002b:00007fff2a78f338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[10130.543254] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff9a3389257
[10130.543255] RDX: 0000000000001f9c RSI: 00007fff2a791564 RDI: 0000000000000005
[10130.543256] RBP: 0000000000001f9c R08: 00007ff9a348421c R09: 00007ff9a3484280
[10130.543256] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a791500
[10130.543257] R13: 00007fff2a791564 R14: 0000000000002000 R15: 0000000000002000
[10130.543259]  </TASK>
[10177.700837] rcu: INFO: rcu_preempt self-detected stall on CPU
[10177.701063] rcu: 	0-....: (9534375 ticks this GP) idle=c784/1/0x4000000000000000 softirq=92833/92834 fqs=2334321
[10177.701160] rcu: 	(t=9534453 jiffies g=207793 q=362 ncpus=4)
[10177.701224] CPU: 0 UID: 0 PID: 26316 Comm: mptcp_connect Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[10177.701226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[10177.701228] RIP: 0010:queued_spin_lock_slowpath+0x82/0x2a0
[10177.701236] Code: 75 56 85 c0 74 12 0f b6 45 00 84 c0 74 0a f3 90 0f b6 45 00 84 c0 75 f6 b8 01 00 00 00 66 89 45 00 5b 5d 41 5c 41 5d c3 f3 90 <eb> 95 8b 37 b8 00 02 00 00 81 fe 00 01 00 00 74 07 eb a1 83 e8 01
[10177.701238] RSP: 0018:ffffbb8f402cbb98 EFLAGS: 00000202
[10177.701240] RAX: 0000000000000001 RBX: ffff9e724855b640 RCX: 0000000000000020
[10177.701241] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff9e724855bdc4
[10177.701242] RBP: ffff9e724855bdc4 R08: 0000000000000000 R09: 0000000000000000
[10177.701244] R10: ffff9e7241ceaa08 R11: 0000000000000000 R12: 0000000000000000
[10177.701245] R13: ffff9e724855bdc4 R14: ffff9e7243262e80 R15: 0000000000001f9c
[10177.701247] FS:  00007ff9a3288b80(0000) GS:ffff9e72cc1c0000(0000) knlGS:0000000000000000
[10177.701248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10177.701249] CR2: 00007fff2a78b298 CR3: 0000000002f05001 CR4: 0000000000772ef0
[10177.701250] PKRU: 55555554
[10177.701251] Call Trace:
[10177.701255]  <TASK>
[10177.701258]  __mptcp_try_fallback+0x49/0x90
[10177.701263]  mptcp_sendmsg_frag+0x6c4/0x820
[10177.701265]  __mptcp_retrans+0x1c2/0x3f0
[10177.701268]  mptcp_release_cb+0x1f9/0x390
[10177.701271]  release_sock+0x44/0x90
[10177.701276]  mptcp_sendmsg+0x46e/0x6b0
[10177.701279]  sock_write_iter+0xb5/0x140
[10177.701283]  vfs_write+0x3cb/0x470
[10177.701290]  ksys_write+0xb4/0xe0
[10177.701293]  do_syscall_64+0xa4/0xfd0
[10177.701296]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[10177.701300] RIP: 0033:0x7ff9a3389257
[10177.701304] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[10177.701305] RSP: 002b:00007fff2a78f338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[10177.701307] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff9a3389257
[10177.701308] RDX: 0000000000001f9c RSI: 00007fff2a791564 RDI: 0000000000000005
[10177.701309] RBP: 0000000000001f9c R08: 00007ff9a348421c R09: 00007ff9a3484280
[10177.701310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a791500
[10177.701311] R13: 00007fff2a791564 R14: 0000000000002000 R15: 0000000000002000
[10177.701312]  </TASK>
[10196.078864] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 9522851 jiffies s: 90761 root: 0x1/.
[10196.079240] rcu: blocking rcu_node structures (internal RCU debug):
[10196.079309] Sending NMI from CPU 3 to CPUs 0:
[10196.079382] NMI backtrace for cpu 0
[10196.079391] CPU: 0 UID: 0 PID: 26316 Comm: mptcp_connect Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[10196.079396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[10196.079398] RIP: 0010:queued_spin_lock_slowpath+0x82/0x2a0
[10196.079409] Code: 75 56 85 c0 74 12 0f b6 45 00 84 c0 74 0a f3 90 0f b6 45 00 84 c0 75 f6 b8 01 00 00 00 66 89 45 00 5b 5d 41 5c 41 5d c3 f3 90 <eb> 95 8b 37 b8 00 02 00 00 81 fe 00 01 00 00 74 07 eb a1 83 e8 01
[10196.079412] RSP: 0018:ffffbb8f402cbb98 EFLAGS: 00000202
[10196.079415] RAX: 0000000000000001 RBX: ffff9e724855b640 RCX: 0000000000000020
[10196.079417] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff9e724855bdc4
[10196.079418] RBP: ffff9e724855bdc4 R08: 0000000000000000 R09: 0000000000000000
[10196.079419] R10: ffff9e7241ceaa08 R11: 0000000000000000 R12: 0000000000000000
[10196.079420] R13: ffff9e724855bdc4 R14: ffff9e7243262e80 R15: 0000000000001f9c
[10196.079425] FS:  00007ff9a3288b80(0000) GS:ffff9e72cc1c0000(0000) knlGS:0000000000000000
[10196.079426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10196.079427] CR2: 00007fff2a78b298 CR3: 0000000002f05001 CR4: 0000000000772ef0
[10196.079429] PKRU: 55555554
[10196.079429] Call Trace:
[10196.079434]  <TASK>
[10196.079437]  __mptcp_try_fallback+0x49/0x90
[10196.079443]  mptcp_sendmsg_frag+0x6c4/0x820
[10196.079446]  __mptcp_retrans+0x1c2/0x3f0
[10196.079449]  mptcp_release_cb+0x1f9/0x390
[10196.079453]  release_sock+0x44/0x90
[10196.079459]  mptcp_sendmsg+0x46e/0x6b0
[10196.079462]  sock_write_iter+0xb5/0x140
[10196.079467]  vfs_write+0x3cb/0x470
[10196.079477]  ksys_write+0xb4/0xe0
[10196.079480]  do_syscall_64+0xa4/0xfd0
[10196.079485]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[10196.079489] RIP: 0033:0x7ff9a3389257
[10196.079494] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[10196.079496] RSP: 002b:00007fff2a78f338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[10196.079498] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff9a3389257
[10196.079499] RDX: 0000000000001f9c RSI: 00007fff2a791564 RDI: 0000000000000005
[10196.079500] RBP: 0000000000001f9c R08: 00007ff9a348421c R09: 00007ff9a3484280
[10196.079501] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a791500
[10196.079502] R13: 00007fff2a791564 R14: 0000000000002000 R15: 0000000000002000
[10196.079504]  </TASK>