[ 28.943423][ T239]
[ 28.943685][ T239] =============================
[ 28.943855][ T239] WARNING: suspicious RCU usage
[ 28.944044][ T239] 6.12.0-rc4-virtme #1 Not tainted
[ 28.944214][ T239] -----------------------------
[ 28.944385][ T239] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!!
[ 28.944675][ T239]
[ 28.944675][ T239] other info that might help us debug this:
[ 28.944675][ T239]
[ 28.945220][ T239]
[ 28.945220][ T239] rcu_scheduler_active = 2, debug_locks = 1
[ 28.945509][ T239] 1 lock held by rst_ipv6/239:
[ 28.945686][ T239] #0: ffff888006749098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0
[ 28.946073][ T239]
[ 28.946073][ T239] stack backtrace:
[ 28.946275][ T239] CPU: 1 UID: 0 PID: 239 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 28.946525][ T239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.946929][ T239] Call Trace:
[ 28.947103][ T239]
[ 28.947192][ T239] dump_stack_lvl+0xb0/0xd0
[ 28.947367][ T239] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.947556][ T239] tcp_ao_copy_mkts_to_user+0xded/0x1050
[ 28.947725][ T239] ? mark_held_locks+0x9e/0xe0
[ 28.947909][ T239] ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10
[ 28.948143][ T239] ? stack_depot_save_flags+0x273/0x3a0
[ 28.948322][ T239] ? kasan_save_stack+0x24/0x50
[ 28.948539][ T239] ? kasan_save_track+0x14/0x30
[ 28.948729][ T239] ? kfree+0xf3/0x340
[ 28.948862][ T239] ? tcp_ao_parse_crypto+0x269/0x650
[ 28.949080][ T239] ? __lock_acquire+0xb3f/0x1580
[ 28.949283][ T239] ? lock_acquire.part.0+0xeb/0x330
[ 28.949477][ T239] ? find_held_lock+0x2c/0x110
[ 28.949693][ T239] ? __lock_release+0x103/0x460
[ 28.949880][ T239] ? do_tcp_getsockopt+0x40b/0x2fe0
[ 28.950081][ T239] ? hlock_class+0x4e/0x130
[ 28.950268][ T239] ? mark_lock+0x38/0x3e0
[ 28.950403][ T239] ? do_tcp_getsockopt+0x10dd/0x2fe0
[ 28.950566][ T239] do_tcp_getsockopt+0x10dd/0x2fe0
[ 28.950750][ T239] ? __pfx_do_tcp_getsockopt+0x10/0x10
[ 28.950914][ T239] ? tcp_ao_add_cmd+0xf22/0x1700
[ 28.951115][ T239] ? release_sock+0x1f/0x1d0
[ 28.951290][ T239] ? reacquire_held_locks+0x22f/0x4f0
[ 28.951457][ T239] ? release_sock+0x1f/0x1d0
[ 28.951633][ T239] ? rcu_read_lock_any_held+0x43/0xb0
[ 28.951811][ T239] ? validate_chain+0x1fe/0xae0
[ 28.951985][ T239] ? find_held_lock+0x2c/0x110
[ 28.952174][ T239] ? __pfx_validate_chain+0x10/0x10
[ 28.952336][ T239] ? __pfx_validate_chain+0x10/0x10
[ 28.952507][ T239] ? hlock_class+0x4e/0x130
[ 28.952670][ T239] ? mark_lock+0x38/0x3e0
[ 28.952810][ T239] ? __lock_acquire+0xb3f/0x1580
[ 28.952997][ T239] ? find_held_lock+0x2c/0x110
[ 28.953180][ T239] ? __lock_release+0x103/0x460
[ 28.953342][ T239] ? __might_fault+0x11b/0x170
[ 28.953555][ T239] ? __pfx___lock_release+0x10/0x10
[ 28.953720][ T239] ? trace_lock_acquire+0x14d/0x1f0
[ 28.953890][ T239] ? find_held_lock+0x2c/0x110
[ 28.954078][ T239] ? __might_fault+0xc3/0x170
[ 28.954259][ T239] ? __might_fault+0xc3/0x170
[ 28.954428][ T239] tcp_getsockopt+0x90/0xf0
[ 28.954606][ T239] do_sock_getsockopt+0x1c7/0x730
[ 28.954778][ T239] ? __fget_files+0x1af/0x3e0
[ 28.954956][ T239] ? __pfx_do_sock_getsockopt+0x10/0x10
[ 28.955151][ T239] ? fdget+0x175/0x1e0
[ 28.955294][ T239] __sys_getsockopt+0xfc/0x1b0
[ 28.955472][ T239] ? __pfx___sys_getsockopt+0x10/0x10
[ 28.955656][ T239] ? __pfx_task_work_run+0x10/0x10
[ 28.955820][ T239] ? do_user_addr_fault+0x97c/0xe30
[ 28.956012][ T239] __x64_sys_getsockopt+0xbd/0x160
[ 28.956173][ T239] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.956380][ T239] do_syscall_64+0xc1/0x1d0
[ 28.956555][ T239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.956765][ T239] RIP: 0033:0x7f92a1f2f46e
[ 28.956952][ T239] Code: 1f 44 00 00 48 8b 15 91 99 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 59
[ 28.957576][ T239] RSP: 002b:00007f92a15da9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[ 28.957822][ T239] RAX: ffffffffffffffda RBX: 00007f92a15dac70 RCX: 00007f92a1f2f46e
[ 28.958111][ T239] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 000000000000000a
[ 28.958366][ T239] RBP: 00007f92a15da9d0 R08: 00007f92a15da9cc R09: 0000000000000064
[ 28.958631][ T239] R10: 00007f92a15da9d0 R11: 0000000000000246 R12: 000000000000000a
[ 28.958873][ T239] R13: 0000000000000064 R14: 0000000000000080 R15: 0000000000000064
[ 28.959151][ T239]
[ 28.962150][ T239]
[ 28.962266][ T239] =============================
[ 28.962429][ T239] WARNING: suspicious RCU usage
[ 28.962618][ T239] 6.12.0-rc4-virtme #1 Not tainted
[ 28.962786][ T239] -----------------------------
[ 28.962964][ T239] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!!
[ 28.963263][ T239]
[ 28.963263][ T239] other info that might help us debug this:
[ 28.963263][ T239]
[ 28.963635][ T239]
[ 28.963635][ T239] rcu_scheduler_active = 2, debug_locks = 1
[ 28.963894][ T239] 1 lock held by rst_ipv6/239:
[ 28.964080][ T239] #0: ffff888006749098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 28.964410][ T239]
[ 28.964410][ T239] stack backtrace:
[ 28.964641][ T239] CPU: 1 UID: 0 PID: 239 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 28.964903][ T239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.965303][ T239] Call Trace:
[ 28.965449][ T239]
[ 28.965560][ T239] dump_stack_lvl+0xb0/0xd0
[ 28.965774][ T239] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.966011][ T239] __tcp_ao_do_lookup.part.0+0x201/0x240
[ 28.966190][ T239] tcp_ao_do_lookup+0x22/0x30
[ 28.966387][ T239] tcp_connect+0x1216/0x18b0
[ 28.966553][ T239] ? rt6_get_cookie+0x191/0x2e0
[ 28.966741][ T239] tcp_v6_connect+0x1173/0x1ba0
[ 28.966915][ T239] ? __pfx_tcp_v6_connect+0x10/0x10
[ 28.967095][ T239] ? lock_acquire.part.0+0x119/0x330
[ 28.967256][ T239] ? find_held_lock+0x2c/0x110
[ 28.967446][ T239] ? hlock_class+0x4e/0x130
[ 28.967616][ T239] ? mark_lock+0x38/0x3e0
[ 28.967761][ T239] __inet_stream_connect+0x272/0x9f0
[ 28.967924][ T239] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.968154][ T239] inet_stream_connect+0x57/0xa0
[ 28.968335][ T239] __sys_connect+0x205/0x280
[ 28.968504][ T239] ? __pfx___sys_connect+0x10/0x10
[ 28.968681][ T239] ? do_fcntl+0x5cc/0x8b0
[ 28.968813][ T239] ? __fget_files+0x1b9/0x3e0
[ 28.968998][ T239] ? __pfx___sys_socket+0x10/0x10
[ 28.969181][ T239] __x64_sys_connect+0x72/0xb0
[ 28.969362][ T239] do_syscall_64+0xc1/0x1d0
[ 28.969527][ T239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.969757][ T239] RIP: 0033:0x7f92a1f2f40b
[ 28.969930][ T239] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
[ 28.970516][ T239] RSP: 002b:00007f92a15dad70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 28.970769][ T239] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f92a1f2f40b
[ 28.971011][ T239] RDX: 000000000000001c RSI: 00007f92a15dadf0 RDI: 000000000000000a
[ 28.971255][ T239] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[ 28.971499][ T239] R10: 00007f92a1de7598 R11: 0000000000000293 R12: 0000000000410980
[ 28.971742][ T239] R13: 0000000000000005 R14: 00007f92a15dadf0 R15: 000000000000621b
[ 28.972023][ T239]
[ 28.974918][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[ 28.976981][ T239]
[ 28.977081][ T239] =============================
[ 28.977256][ T239] WARNING: suspicious RCU usage
[ 28.977447][ T239] 6.12.0-rc4-virtme #1 Not tainted
[ 28.977788][ T239] -----------------------------
[ 28.977958][ T239] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!!
[ 28.978209][ T239]
[ 28.978209][ T239] other info that might help us debug this:
[ 28.978209][ T239]
[ 28.978595][ T239]
[ 28.978595][ T239] rcu_scheduler_active = 2, debug_locks = 1
[ 28.978845][ T239] 1 lock held by rst_ipv6/239:
[ 28.979012][ T239] #0: ffff888006749098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 28.979318][ T239]
[ 28.979318][ T239] stack backtrace:
[ 28.979591][ T239] CPU: 1 UID: 0 PID: 239 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 28.979845][ T239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.980217][ T239] Call Trace:
[ 28.980348][ T239]
[ 28.980437][ T239] dump_stack_lvl+0xb0/0xd0
[ 28.980614][ T239] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.980800][ T239] tcp_ao_finish_connect+0x206/0x2f0
[ 28.980999][ T239] tcp_finish_connect+0x25/0x510
[ 28.981173][ T239] tcp_rcv_synsent_state_process+0xa6d/0x26f0
[ 28.981394][ T239] ? hlock_class+0x4e/0x130
[ 28.981596][ T239] ? mark_lock+0x38/0x3e0
[ 28.981744][ T239] ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10
[ 28.981986][ T239] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.982202][ T239] ? kvm_clock_get_cycles+0x18/0x30
[ 28.982370][ T239] ? ktime_get+0xb7/0x200
[ 28.982517][ T239] tcp_rcv_state_process+0x336/0x1e30
[ 28.982689][ T239] ? __lock_release+0x103/0x460
[ 28.982878][ T239] ? __release_sock+0xc8/0x390
[ 28.983100][ T239] ? __pfx_tcp_rcv_state_process+0x10/0x10
[ 28.983308][ T239] ? hlock_class+0x4e/0x130
[ 28.983484][ T239] ? mark_lock+0x38/0x3e0
[ 28.983621][ T239] tcp_v6_do_rcv+0x346/0x1330
[ 28.983800][ T239] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.984025][ T239] __release_sock+0x128/0x390
[ 28.984225][ T239] release_sock+0x53/0x1d0
[ 28.984398][ T239] inet_stream_connect+0x7a/0xa0
[ 28.984569][ T239] __sys_connect+0x205/0x280
[ 28.984737][ T239] ? __pfx___sys_connect+0x10/0x10
[ 28.984921][ T239] ? do_fcntl+0x5cc/0x8b0
[ 28.985069][ T239] ? __fget_files+0x1b9/0x3e0
[ 28.985235][ T239] ? __pfx___sys_socket+0x10/0x10
[ 28.985417][ T239] __x64_sys_connect+0x72/0xb0
[ 28.985626][ T239] do_syscall_64+0xc1/0x1d0
[ 28.985813][ T239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.986062][ T239] RIP: 0033:0x7f92a1f2f40b
[ 28.986237][ T239] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
[ 28.986835][ T239] RSP: 002b:00007f92a15dad70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 28.987123][ T239] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f92a1f2f40b
[ 28.987382][ T239] RDX: 000000000000001c RSI: 00007f92a15dadf0 RDI: 000000000000000a
[ 28.987630][ T239] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[ 28.987891][ T239] R10: 00007f92a1de7598 R11: 0000000000000293 R12: 0000000000410980
[ 28.988146][ T239] R13: 0000000000000005 R14: 00007f92a15dadf0 R15: 000000000000621b
[ 28.988563][ T239]
[ 31.057111][ T239]
[ 31.057334][ T239] =============================
[ 31.057629][ T239] WARNING: suspicious RCU usage
[ 31.057897][ T239] 6.12.0-rc4-virtme #1 Not tainted
[ 31.058088][ T239] -----------------------------
[ 31.058257][ T239] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!!
[ 31.058537][ T239]
[ 31.058537][ T239] other info that might help us debug this:
[ 31.058537][ T239]
[ 31.058875][ T239]
[ 31.058875][ T239] rcu_scheduler_active = 2, debug_locks = 1
[ 31.059118][ T239] 1 lock held by rst_ipv6/239:
[ 31.059290][ T239] #0: ffff888005ef1098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320
[ 31.059643][ T239]
[ 31.059643][ T239] stack backtrace:
[ 31.059859][ T239] CPU: 0 UID: 0 PID: 239 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 31.060247][ T239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.060735][ T239] Call Trace:
[ 31.060871][ T239]
[ 31.060965][ T239] dump_stack_lvl+0xb0/0xd0
[ 31.061132][ T239] lockdep_rcu_suspicious+0x1ea/0x280
[ 31.061306][ T239] tcp_ao_set_repair+0x3ec/0x4c0
[ 31.061471][ T239] ? hlock_class+0x4e/0x130
[ 31.061652][ T239] ? __pfx_tcp_ao_set_repair+0x10/0x10
[ 31.061824][ T239] do_tcp_setsockopt+0xb43/0x2320
[ 31.062008][ T239] ? __pfx_do_tcp_setsockopt+0x10/0x10
[ 31.062176][ T239] ? __lock_acquire+0xb3f/0x1580
[ 31.062346][ T239] ? find_held_lock+0x2c/0x110
[ 31.062515][ T239] ? __lock_release+0x103/0x460
[ 31.062689][ T239] ? __fget_files+0x1af/0x3e0
[ 31.062869][ T239] ? __pfx___lock_release+0x10/0x10
[ 31.063036][ T239] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 31.063199][ T239] ? trace_lock_acquire+0x14d/0x1f0
[ 31.063380][ T239] do_sock_setsockopt+0x149/0x3a0
[ 31.063573][ T239] ? __pfx_do_sock_setsockopt+0x10/0x10
[ 31.063752][ T239] ? fdget+0x175/0x1e0
[ 31.063920][ T239] __sys_setsockopt+0x104/0x1a0
[ 31.064187][ T239] ? __pfx___sys_setsockopt+0x10/0x10
[ 31.064452][ T239] ? __fget_files+0x1b9/0x3e0
[ 31.064633][ T239] ? __pfx___sys_socket+0x10/0x10
[ 31.064803][ T239] __x64_sys_setsockopt+0xbd/0x160
[ 31.064982][ T239] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.065183][ T239] do_syscall_64+0xc1/0x1d0
[ 31.065349][ T239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.065557][ T239] RIP: 0033:0x7f92a1f2f91e
[ 31.065728][ T239] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 31.066302][ T239] RSP: 002b:00007f92a15da998 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 31.066561][ T239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92a1f2f91e
[ 31.066802][ T239] RDX: 000000000000002a RSI: 0000000000000006 RDI: 0000000000000009
[ 31.067061][ T239] RBP: 0000000000000009 R08: 0000000000000010 R09: 0000000000000064
[ 31.067303][ T239] R10: 00007f92a15da9b0 R11: 0000000000000206 R12: 00007f92a15dab00
[ 31.067548][ T239] R13: 00007f92a15dac30 R14: ffffffffffffffe0 R15: 0000000000000000
[ 31.067823][ T239]