[ 25.576994][ T241]
[ 25.577293][ T241] =============================
[ 25.577497][ T241] WARNING: suspicious RCU usage
[ 25.577678][ T241] 6.12.0-rc4-virtme #1 Not tainted
[ 25.577858][ T241] -----------------------------
[ 25.578038][ T241] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!!
[ 25.578517][ T241]
[ 25.578517][ T241] other info that might help us debug this:
[ 25.578517][ T241]
[ 25.578868][ T241]
[ 25.578868][ T241] rcu_scheduler_active = 2, debug_locks = 1
[ 25.579131][ T241] 1 lock held by rst_ipv6/241:
[ 25.579325][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0
[ 25.579695][ T241]
[ 25.579695][ T241] stack backtrace:
[ 25.579918][ T241] CPU: 3 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 25.580215][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.580618][ T241] Call Trace:
[ 25.580759][ T241]
[ 25.580858][ T241] dump_stack_lvl+0xb0/0xd0
[ 25.581042][ T241] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.581226][ T241] tcp_ao_copy_mkts_to_user+0xded/0x1050
[ 25.581409][ T241] ? mark_held_locks+0x9e/0xe0
[ 25.581595][ T241] ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10
[ 25.581815][ T241] ? stack_depot_save_flags+0x273/0x3a0
[ 25.581998][ T241] ? kasan_save_stack+0x24/0x50
[ 25.582175][ T241] ? kasan_save_track+0x14/0x30
[ 25.582354][ T241] ? kfree+0xf3/0x340
[ 25.582493][ T241] ? tcp_ao_parse_crypto+0x269/0x650
[ 25.582699][ T241] ? __lock_acquire+0xb3f/0x1580
[ 25.582887][ T241] ? lock_acquire.part.0+0xeb/0x330
[ 25.583065][ T241] ? find_held_lock+0x2c/0x110
[ 25.583246][ T241] ? __lock_release+0x103/0x460
[ 25.583426][ T241] ? do_tcp_getsockopt+0x40b/0x2fe0
[ 25.583608][ T241] ? hlock_class+0x4e/0x130
[ 25.583785][ T241] ? mark_lock+0x38/0x3e0
[ 25.583932][ T241] ? do_tcp_getsockopt+0x10dd/0x2fe0
[ 25.584110][ T241] do_tcp_getsockopt+0x10dd/0x2fe0
[ 25.584291][ T241] ? __pfx_do_tcp_getsockopt+0x10/0x10
[ 25.584468][ T241] ? tcp_ao_add_cmd+0xf22/0x1700
[ 25.584662][ T241] ? release_sock+0x1f/0x1d0
[ 25.584846][ T241] ? reacquire_held_locks+0x22f/0x4f0
[ 25.585021][ T241] ? release_sock+0x1f/0x1d0
[ 25.585198][ T241] ? rcu_read_lock_any_held+0x43/0xb0
[ 25.585374][ T241] ? validate_chain+0x1fe/0xae0
[ 25.585552][ T241] ? find_held_lock+0x2c/0x110
[ 25.585730][ T241] ? __lock_release+0x103/0x460
[ 25.585906][ T241] ? __pfx_validate_chain+0x10/0x10
[ 25.586082][ T241] ? hlock_class+0x4e/0x130
[ 25.586259][ T241] ? mark_lock+0x38/0x3e0
[ 25.586402][ T241] ? __lock_acquire+0xb3f/0x1580
[ 25.586590][ T241] ? find_held_lock+0x2c/0x110
[ 25.586767][ T241] ? __lock_release+0x103/0x460
[ 25.586940][ T241] ? __might_fault+0x11b/0x170
[ 25.587118][ T241] ? __pfx___lock_release+0x10/0x10
[ 25.587291][ T241] ? trace_lock_acquire+0x14d/0x1f0
[ 25.587465][ T241] ? find_held_lock+0x2c/0x110
[ 25.587643][ T241] ? __might_fault+0xc3/0x170
[ 25.587824][ T241] ? __might_fault+0xc3/0x170
[ 25.588002][ T241] tcp_getsockopt+0x90/0xf0
[ 25.588182][ T241] do_sock_getsockopt+0x1c7/0x730
[ 25.588359][ T241] ? __fget_files+0x1af/0x3e0
[ 25.588539][ T241] ? __pfx_do_sock_getsockopt+0x10/0x10
[ 25.588728][ T241] ? fdget+0x175/0x1e0
[ 25.588866][ T241] __sys_getsockopt+0xfc/0x1b0
[ 25.589041][ T241] ? __sys_setsockopt+0x174/0x1a0
[ 25.589217][ T241] ? __pfx___sys_getsockopt+0x10/0x10
[ 25.589407][ T241] __x64_sys_getsockopt+0xbd/0x160
[ 25.589582][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.589801][ T241] do_syscall_64+0xc1/0x1d0
[ 25.589978][ T241] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.590196][ T241] RIP: 0033:0x7f16caea646e
[ 25.590391][ T241] 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
[ 25.591000][ T241] RSP: 002b:00007f16ca5519b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[ 25.591343][ T241] RAX: ffffffffffffffda RBX: 00007f16ca551c70 RCX: 00007f16caea646e
[ 25.591606][ T241] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 0000000000000009
[ 25.591869][ T241] RBP: 00007f16ca5519d0 R08: 00007f16ca5519cc R09: 0000000000000064
[ 25.592132][ T241] R10: 00007f16ca5519d0 R11: 0000000000000246 R12: 0000000000000009
[ 25.592395][ T241] R13: 0000000000000064 R14: 0000000000000080 R15: 0000000000000064
[ 25.592670][ T241]
[ 25.595309][ T241]
[ 25.595442][ T241] =============================
[ 25.595625][ T241] WARNING: suspicious RCU usage
[ 25.595806][ T241] 6.12.0-rc4-virtme #1 Not tainted
[ 25.595989][ T241] -----------------------------
[ 25.596172][ T241] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!!
[ 25.596452][ T241]
[ 25.596452][ T241] other info that might help us debug this:
[ 25.596452][ T241]
[ 25.596807][ T241]
[ 25.596807][ T241] rcu_scheduler_active = 2, debug_locks = 1
[ 25.597069][ T241] 1 lock held by rst_ipv6/241:
[ 25.597261][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 25.597595][ T241]
[ 25.597595][ T241] stack backtrace:
[ 25.597816][ T241] CPU: 3 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 25.598083][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.598484][ T241] Call Trace:
[ 25.598622][ T241]
[ 25.598717][ T241] dump_stack_lvl+0xb0/0xd0
[ 25.598904][ T241] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.599089][ T241] __tcp_ao_do_lookup.part.0+0x201/0x240
[ 25.599273][ T241] tcp_ao_do_lookup+0x22/0x30
[ 25.599451][ T241] tcp_connect+0x1216/0x18b0
[ 25.599631][ T241] ? rt6_get_cookie+0x191/0x2e0
[ 25.599820][ T241] tcp_v6_connect+0x1173/0x1ba0
[ 25.600007][ T241] ? __pfx_tcp_v6_connect+0x10/0x10
[ 25.600189][ T241] ? lock_acquire.part.0+0xeb/0x330
[ 25.600381][ T241] ? find_held_lock+0x2c/0x110
[ 25.600568][ T241] ? hlock_class+0x4e/0x130
[ 25.600748][ T241] ? mark_lock+0x38/0x3e0
[ 25.600889][ T241] __inet_stream_connect+0x272/0x9f0
[ 25.601068][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.601291][ T241] inet_stream_connect+0x57/0xa0
[ 25.601472][ T241] __sys_connect+0x205/0x280
[ 25.601652][ T241] ? __pfx___sys_connect+0x10/0x10
[ 25.601833][ T241] ? do_fcntl+0x5cc/0x8b0
[ 25.601972][ T241] ? __fget_files+0x1b9/0x3e0
[ 25.602152][ T241] ? __pfx___sys_socket+0x10/0x10
[ 25.602340][ T241] __x64_sys_connect+0x72/0xb0
[ 25.602519][ T241] do_syscall_64+0xc1/0x1d0
[ 25.602699][ T241] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.602919][ T241] RIP: 0033:0x7f16caea640b
[ 25.603104][ T241] 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
[ 25.603724][ T241] RSP: 002b:00007f16ca551d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 25.603996][ T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f16caea640b
[ 25.604267][ T241] RDX: 000000000000001c RSI: 00007f16ca551df0 RDI: 0000000000000009
[ 25.604533][ T241] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000004173e0
[ 25.604800][ T241] R10: 00007f16cad5e598 R11: 0000000000000293 R12: 0000000000410980
[ 25.605064][ T241] R13: 0000000000000005 R14: 00007f16ca551df0 R15: 000000000000621b
[ 25.605344][ T241]
[ 25.607911][ C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[ 25.609813][ T241]
[ 25.609996][ T241] =============================
[ 25.610263][ T241] WARNING: suspicious RCU usage
[ 25.610507][ T241] 6.12.0-rc4-virtme #1 Not tainted
[ 25.610749][ T241] -----------------------------
[ 25.610989][ T241] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!!
[ 25.611331][ T241]
[ 25.611331][ T241] other info that might help us debug this:
[ 25.611331][ T241]
[ 25.611739][ T241]
[ 25.611739][ T241] rcu_scheduler_active = 2, debug_locks = 1
[ 25.612068][ T241] 1 lock held by rst_ipv6/241:
[ 25.612322][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 25.612714][ T241]
[ 25.612714][ T241] stack backtrace:
[ 25.612997][ T241] CPU: 3 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 25.613275][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.613674][ T241] Call Trace:
[ 25.613815][ T241]
[ 25.613912][ T241] dump_stack_lvl+0xb0/0xd0
[ 25.614100][ T241] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.614286][ T241] tcp_ao_finish_connect+0x206/0x2f0
[ 25.614474][ T241] tcp_finish_connect+0x25/0x510
[ 25.614658][ T241] tcp_rcv_synsent_state_process+0xa6d/0x26f0
[ 25.614884][ T241] ? hlock_class+0x4e/0x130
[ 25.615077][ T241] ? mark_lock+0x38/0x3e0
[ 25.615221][ T241] ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10
[ 25.615449][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.615675][ T241] ? kvm_clock_get_cycles+0x18/0x30
[ 25.615857][ T241] ? ktime_get+0xb7/0x200
[ 25.616004][ T241] tcp_rcv_state_process+0x336/0x1e30
[ 25.616187][ T241] ? __lock_release+0x103/0x460
[ 25.616367][ T241] ? __release_sock+0xc8/0x390
[ 25.616552][ T241] ? __pfx_tcp_rcv_state_process+0x10/0x10
[ 25.616775][ T241] ? hlock_class+0x4e/0x130
[ 25.616956][ T241] ? mark_lock+0x38/0x3e0
[ 25.617101][ T241] tcp_v6_do_rcv+0x346/0x1330
[ 25.617286][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.617516][ T241] __release_sock+0x128/0x390
[ 25.617704][ T241] release_sock+0x53/0x1d0
[ 25.617886][ T241] inet_stream_connect+0x7a/0xa0
[ 25.618073][ T241] __sys_connect+0x205/0x280
[ 25.618257][ T241] ? __pfx___sys_connect+0x10/0x10
[ 25.618437][ T241] ? do_fcntl+0x5cc/0x8b0
[ 25.618580][ T241] ? __fget_files+0x1b9/0x3e0
[ 25.618764][ T241] ? __pfx___sys_socket+0x10/0x10
[ 25.618956][ T241] __x64_sys_connect+0x72/0xb0
[ 25.619142][ T241] do_syscall_64+0xc1/0x1d0
[ 25.619329][ T241] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.619554][ T241] RIP: 0033:0x7f16caea640b
[ 25.619748][ T241] 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
[ 25.620387][ T241] RSP: 002b:00007f16ca551d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 25.620667][ T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f16caea640b
[ 25.620939][ T241] RDX: 000000000000001c RSI: 00007f16ca551df0 RDI: 0000000000000009
[ 25.621213][ T241] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000004173e0
[ 25.621485][ T241] R10: 00007f16cad5e598 R11: 0000000000000293 R12: 0000000000410980
[ 25.621756][ T241] R13: 0000000000000005 R14: 00007f16ca551df0 R15: 000000000000621b
[ 25.622046][ T241]
[ 27.704096][ T241]
[ 27.704265][ T241] =============================
[ 27.704432][ T241] WARNING: suspicious RCU usage
[ 27.704592][ T241] 6.12.0-rc4-virtme #1 Not tainted
[ 27.704752][ T241] -----------------------------
[ 27.704911][ T241] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!!
[ 27.705143][ T241]
[ 27.705143][ T241] other info that might help us debug this:
[ 27.705143][ T241]
[ 27.705470][ T241]
[ 27.705470][ T241] rcu_scheduler_active = 2, debug_locks = 1
[ 27.705700][ T241] 1 lock held by rst_ipv6/241:
[ 27.705858][ T241] #0: ffff8880077c1098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320
[ 27.706202][ T241]
[ 27.706202][ T241] stack backtrace:
[ 27.706413][ T241] CPU: 2 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[ 27.706649][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 27.706992][ T241] Call Trace:
[ 27.707112][ T241]
[ 27.707199][ T241] dump_stack_lvl+0xb0/0xd0
[ 27.707378][ T241] lockdep_rcu_suspicious+0x1ea/0x280
[ 27.707542][ T241] tcp_ao_set_repair+0x3ec/0x4c0
[ 27.707700][ T241] ? hlock_class+0x4e/0x130
[ 27.707874][ T241] ? __pfx_tcp_ao_set_repair+0x10/0x10
[ 27.708043][ T241] do_tcp_setsockopt+0xb43/0x2320
[ 27.708206][ T241] ? __pfx_do_tcp_setsockopt+0x10/0x10
[ 27.708390][ T241] ? __lock_acquire+0xb3f/0x1580
[ 27.708555][ T241] ? find_held_lock+0x2c/0x110
[ 27.708714][ T241] ? __lock_release+0x103/0x460
[ 27.708886][ T241] ? __fget_files+0x1af/0x3e0
[ 27.709052][ T241] ? __pfx___lock_release+0x10/0x10
[ 27.709206][ T241] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 27.709361][ T241] ? trace_lock_acquire+0x14d/0x1f0
[ 27.709529][ T241] do_sock_setsockopt+0x149/0x3a0
[ 27.709687][ T241] ? __pfx_do_sock_setsockopt+0x10/0x10
[ 27.709851][ T241] ? fdget+0x175/0x1e0
[ 27.709977][ T241] __sys_setsockopt+0x104/0x1a0
[ 27.710141][ T241] ? __pfx___sys_setsockopt+0x10/0x10
[ 27.710306][ T241] ? __fget_files+0x1b9/0x3e0
[ 27.710462][ T241] ? __pfx___sys_socket+0x10/0x10
[ 27.710623][ T241] __x64_sys_setsockopt+0xbd/0x160
[ 27.710777][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 27.710972][ T241] do_syscall_64+0xc1/0x1d0
[ 27.711134][ T241] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 27.711330][ T241] RIP: 0033:0x7f16caea691e
[ 27.711499][ T241] 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
[ 27.712042][ T241] RSP: 002b:00007f16ca551998 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 27.712279][ T241] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16caea691e
[ 27.712510][ T241] RDX: 000000000000002a RSI: 0000000000000006 RDI: 000000000000000a
[ 27.712746][ T241] RBP: 000000000000000a R08: 0000000000000010 R09: 0000000000000064
[ 27.712979][ T241] R10: 00007f16ca5519b0 R11: 0000000000000206 R12: 00007f16ca551b00
[ 27.713218][ T241] R13: 00007f16ca551c30 R14: ffffffffffffffe0 R15: 0000000000000000
[ 27.713463][ T241]