[ 25.587146][ T240]
[ 25.587494][ T240] =============================
[ 25.587651][ T240] WARNING: suspicious RCU usage
[ 25.587813][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 25.587957][ T240] -----------------------------
[ 25.588104][ T240] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!!
[ 25.588537][ T240]
[ 25.588537][ T240] other info that might help us debug this:
[ 25.588537][ T240]
[ 25.588821][ T240]
[ 25.588821][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 25.589051][ T240] 1 lock held by rst_ipv4/240:
[ 25.589213][ T240] #0: ffff888005a82a58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0
[ 25.589520][ T240]
[ 25.589520][ T240] stack backtrace:
[ 25.589711][ T240] CPU: 2 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 25.589926][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.590246][ T240] Call Trace:
[ 25.590364][ T240]
[ 25.590443][ T240] dump_stack_lvl+0xb0/0xd0
[ 25.590594][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.590745][ T240] tcp_ao_copy_mkts_to_user+0xded/0x1050
[ 25.590893][ T240] ? mark_held_locks+0x9e/0xe0
[ 25.591046][ T240] ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10
[ 25.591223][ T240] ? stack_depot_save_flags+0x273/0x3a0
[ 25.591378][ T240] ? kasan_save_stack+0x24/0x50
[ 25.591525][ T240] ? kasan_save_track+0x14/0x30
[ 25.591671][ T240] ? kasan_save_free_info+0x3b/0x60
[ 25.591815][ T240] ? __kasan_slab_free+0x38/0x50
[ 25.591960][ T240] ? kfree+0xf3/0x340
[ 25.592072][ T240] ? tcp_ao_parse_crypto+0x269/0x650
[ 25.592249][ T240] ? __lock_acquire+0xb3f/0x1580
[ 25.592405][ T240] ? lock_acquire.part.0+0xeb/0x330
[ 25.592551][ T240] ? find_held_lock+0x2c/0x110
[ 25.592700][ T240] ? __lock_release+0x103/0x460
[ 25.592848][ T240] ? do_tcp_getsockopt+0x40b/0x2fe0
[ 25.592998][ T240] ? hlock_class+0x4e/0x130
[ 25.593143][ T240] ? mark_lock+0x38/0x3e0
[ 25.593266][ T240] ? do_tcp_getsockopt+0x10dd/0x2fe0
[ 25.593412][ T240] do_tcp_getsockopt+0x10dd/0x2fe0
[ 25.593561][ T240] ? __pfx_do_tcp_getsockopt+0x10/0x10
[ 25.593706][ T240] ? tcp_ao_add_cmd+0xf22/0x1700
[ 25.593872][ T240] ? release_sock+0x1f/0x1d0
[ 25.594014][ T240] ? reacquire_held_locks+0x22f/0x4f0
[ 25.594157][ T240] ? release_sock+0x1f/0x1d0
[ 25.594305][ T240] ? rcu_read_lock_any_held+0x43/0xb0
[ 25.594464][ T240] ? validate_chain+0x1fe/0xae0
[ 25.594608][ T240] ? find_held_lock+0x2c/0x110
[ 25.594754][ T240] ? __lock_release+0x103/0x460
[ 25.594898][ T240] ? __pfx_validate_chain+0x10/0x10
[ 25.595044][ T240] ? hlock_class+0x4e/0x130
[ 25.595187][ T240] ? mark_lock+0x38/0x3e0
[ 25.595302][ T240] ? __lock_acquire+0xb3f/0x1580
[ 25.595458][ T240] ? find_held_lock+0x2c/0x110
[ 25.595604][ T240] ? __lock_release+0x103/0x460
[ 25.595745][ T240] ? __might_fault+0x11b/0x170
[ 25.595889][ T240] ? __pfx___lock_release+0x10/0x10
[ 25.596032][ T240] ? trace_lock_acquire+0x14d/0x1f0
[ 25.596175][ T240] ? find_held_lock+0x2c/0x110
[ 25.596325][ T240] ? __might_fault+0xc3/0x170
[ 25.596475][ T240] ? __might_fault+0xc3/0x170
[ 25.596619][ T240] tcp_getsockopt+0x90/0xf0
[ 25.596771][ T240] do_sock_getsockopt+0x1c7/0x730
[ 25.596915][ T240] ? __fget_files+0x1af/0x3e0
[ 25.597061][ T240] ? __pfx_do_sock_getsockopt+0x10/0x10
[ 25.597211][ T240] ? fdget+0x175/0x1e0
[ 25.597328][ T240] __sys_getsockopt+0xfc/0x1b0
[ 25.597472][ T240] ? __sys_setsockopt+0x174/0x1a0
[ 25.597621][ T240] ? __pfx___sys_getsockopt+0x10/0x10
[ 25.597770][ T240] ? do_user_addr_fault+0x97c/0xe30
[ 25.597920][ T240] __x64_sys_getsockopt+0xbd/0x160
[ 25.598062][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.598242][ T240] do_syscall_64+0xc1/0x1d0
[ 25.598389][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.598568][ T240] RIP: 0033:0x7f3e6482946e
[ 25.598722][ T240] 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
[ 25.599226][ T240] RSP: 002b:00007f3e63ed49c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[ 25.599445][ T240] RAX: ffffffffffffffda RBX: 00007f3e63ed4c80 RCX: 00007f3e6482946e
[ 25.599662][ T240] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 000000000000000a
[ 25.599890][ T240] RBP: 00007f3e63ed49e0 R08: 00007f3e63ed49dc R09: 0000000000000064
[ 25.600105][ T240] R10: 00007f3e63ed49e0 R11: 0000000000000246 R12: 000000000000000a
[ 25.600320][ T240] R13: 0000000000000064 R14: 0000000000000020 R15: 0000000000000064
[ 25.600555][ T240]
[ 25.603351][ T240]
[ 25.603443][ T240] =============================
[ 25.603593][ T240] WARNING: suspicious RCU usage
[ 25.603739][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 25.603888][ T240] -----------------------------
[ 25.604032][ T240] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!!
[ 25.604256][ T240]
[ 25.604256][ T240] other info that might help us debug this:
[ 25.604256][ T240]
[ 25.604537][ T240]
[ 25.604537][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 25.604756][ T240] 1 lock held by rst_ipv4/240:
[ 25.604903][ T240] #0: ffff888005a82a58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 25.605178][ T240]
[ 25.605178][ T240] stack backtrace:
[ 25.605368][ T240] CPU: 2 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 25.605585][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.605908][ T240] Call Trace:
[ 25.606022][ T240]
[ 25.606101][ T240] dump_stack_lvl+0xb0/0xd0
[ 25.606255][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.606406][ T240] __tcp_ao_do_lookup.part.0+0x201/0x240
[ 25.606558][ T240] tcp_v4_ao_lookup+0x84/0xd0
[ 25.606707][ T240] tcp_connect+0x1216/0x18b0
[ 25.606862][ T240] tcp_v4_connect+0x119e/0x1900
[ 25.607019][ T240] ? __pfx_tcp_v4_connect+0x10/0x10
[ 25.607176][ T240] ? mark_lock+0x38/0x3e0
[ 25.607294][ T240] __inet_stream_connect+0x272/0x9f0
[ 25.607440][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.607623][ T240] inet_stream_connect+0x57/0xa0
[ 25.607774][ T240] __sys_connect+0x205/0x280
[ 25.607922][ T240] ? __pfx___sys_connect+0x10/0x10
[ 25.608067][ T240] ? do_fcntl+0x5cc/0x8b0
[ 25.608178][ T240] ? __pfx_do_fcntl+0x10/0x10
[ 25.608333][ T240] ? __fget_files+0x1b9/0x3e0
[ 25.608485][ T240] ? __pfx___sys_socket+0x10/0x10
[ 25.608640][ T240] __x64_sys_connect+0x72/0xb0
[ 25.608787][ T240] do_syscall_64+0xc1/0x1d0
[ 25.608936][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.609118][ T240] RIP: 0033:0x7f3e6482940b
[ 25.609270][ T240] 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
[ 25.609788][ T240] RSP: 002b:00007f3e63ed4d80 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 25.610009][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3e6482940b
[ 25.610228][ T240] RDX: 0000000000000010 RSI: 00007f3e63ed4e00 RDI: 000000000000000a
[ 25.610463][ T240] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[ 25.610684][ T240] R10: 00007f3e646e1598 R11: 0000000000000293 R12: 0000000000410978
[ 25.610904][ T240] R13: 0000000000000005 R14: 00007f3e63ed4e00 R15: 000000000000621b
[ 25.611135][ T240]
[ 25.613264][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.
[ 25.615024][ T240]
[ 25.615114][ T240] =============================
[ 25.615347][ T240] WARNING: suspicious RCU usage
[ 25.615501][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 25.615652][ T240] -----------------------------
[ 25.615802][ T240] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!!
[ 25.616025][ T240]
[ 25.616025][ T240] other info that might help us debug this:
[ 25.616025][ T240]
[ 25.616443][ T240]
[ 25.616443][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 25.616667][ T240] 1 lock held by rst_ipv4/240:
[ 25.616819][ T240] #0: ffff888005a82a58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 25.617118][ T240]
[ 25.617118][ T240] stack backtrace:
[ 25.617369][ T240] CPU: 2 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 25.617597][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 25.617923][ T240] Call Trace:
[ 25.618041][ T240]
[ 25.618121][ T240] dump_stack_lvl+0xb0/0xd0
[ 25.618277][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 25.618432][ T240] tcp_ao_finish_connect+0x206/0x2f0
[ 25.618586][ T240] tcp_finish_connect+0x25/0x510
[ 25.618745][ T240] tcp_rcv_synsent_state_process+0xa6d/0x26f0
[ 25.618929][ T240] ? hlock_class+0x4e/0x130
[ 25.619081][ T240] ? mark_lock+0x38/0x3e0
[ 25.619199][ T240] ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10
[ 25.619386][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 25.619572][ T240] ? kvm_clock_get_cycles+0x18/0x30
[ 25.619731][ T240] ? ktime_get+0xb7/0x200
[ 25.619849][ T240] ? __lock_acquire+0xb3f/0x1580
[ 25.620003][ T240] tcp_rcv_state_process+0x336/0x1e30
[ 25.620151][ T240] ? __lock_release+0x103/0x460
[ 25.620299][ T240] ? __release_sock+0xc8/0x390
[ 25.620450][ T240] ? __pfx_tcp_rcv_state_process+0x10/0x10
[ 25.620639][ T240] ? mark_lock+0x38/0x3e0
[ 25.620764][ T240] tcp_v4_do_rcv+0x14a/0x8c0
[ 25.620917][ T240] __release_sock+0x27a/0x390
[ 25.621071][ T240] release_sock+0x53/0x1d0
[ 25.621224][ T240] inet_stream_connect+0x7a/0xa0
[ 25.621377][ T240] __sys_connect+0x205/0x280
[ 25.621526][ T240] ? __pfx___sys_connect+0x10/0x10
[ 25.621677][ T240] ? do_fcntl+0x5cc/0x8b0
[ 25.621790][ T240] ? __pfx_do_fcntl+0x10/0x10
[ 25.621943][ T240] ? __fget_files+0x1b9/0x3e0
[ 25.622093][ T240] ? __pfx___sys_socket+0x10/0x10
[ 25.622250][ T240] __x64_sys_connect+0x72/0xb0
[ 25.622409][ T240] do_syscall_64+0xc1/0x1d0
[ 25.622580][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 25.622767][ T240] RIP: 0033:0x7f3e6482940b
[ 25.622922][ T240] 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
[ 25.623438][ T240] RSP: 002b:00007f3e63ed4d80 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 25.623670][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3e6482940b
[ 25.623895][ T240] RDX: 0000000000000010 RSI: 00007f3e63ed4e00 RDI: 000000000000000a
[ 25.624243][ T240] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[ 25.624469][ T240] R10: 00007f3e646e1598 R11: 0000000000000293 R12: 0000000000410978
[ 25.624778][ T240] R13: 0000000000000005 R14: 00007f3e63ed4e00 R15: 000000000000621b
[ 25.625019][ T240]
[ 27.727768][ T240]
[ 27.727974][ T240] =============================
[ 27.728119][ T240] WARNING: suspicious RCU usage
[ 27.728279][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 27.728421][ T240] -----------------------------
[ 27.728566][ T240] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!!
[ 27.728774][ T240]
[ 27.728774][ T240] other info that might help us debug this:
[ 27.728774][ T240]
[ 27.729043][ T240]
[ 27.729043][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 27.729261][ T240] 1 lock held by rst_ipv4/240:
[ 27.729404][ T240] #0: ffff888005d91d18 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320
[ 27.729670][ T240]
[ 27.729670][ T240] stack backtrace:
[ 27.729876][ T240] CPU: 2 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 27.730087][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 27.730400][ T240] Call Trace:
[ 27.730510][ T240]
[ 27.730587][ T240] dump_stack_lvl+0xb0/0xd0
[ 27.730734][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 27.730882][ T240] tcp_ao_set_repair+0x3ec/0x4c0
[ 27.731023][ T240] ? hlock_class+0x4e/0x130
[ 27.731172][ T240] ? __pfx_tcp_ao_set_repair+0x10/0x10
[ 27.731324][ T240] do_tcp_setsockopt+0xb43/0x2320
[ 27.731473][ T240] ? __pfx_do_tcp_setsockopt+0x10/0x10
[ 27.731613][ T240] ? __lock_acquire+0xb3f/0x1580
[ 27.731765][ T240] ? find_held_lock+0x2c/0x110
[ 27.731909][ T240] ? __lock_release+0x103/0x460
[ 27.732051][ T240] ? __fget_files+0x1af/0x3e0
[ 27.732193][ T240] ? __pfx___lock_release+0x10/0x10
[ 27.732338][ T240] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 27.732479][ T240] ? trace_lock_acquire+0x14d/0x1f0
[ 27.732624][ T240] do_sock_setsockopt+0x149/0x3a0
[ 27.732770][ T240] ? __pfx_do_sock_setsockopt+0x10/0x10
[ 27.732922][ T240] ? fdget+0x175/0x1e0
[ 27.733034][ T240] __sys_setsockopt+0x104/0x1a0
[ 27.733179][ T240] ? __pfx___sys_setsockopt+0x10/0x10
[ 27.733325][ T240] ? __pfx_task_work_run+0x10/0x10
[ 27.733467][ T240] ? __pfx___sys_socket+0x10/0x10
[ 27.733616][ T240] __x64_sys_setsockopt+0xbd/0x160
[ 27.733756][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 27.733930][ T240] do_syscall_64+0xc1/0x1d0
[ 27.734073][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 27.734251][ T240] RIP: 0033:0x7f3e6482991e
[ 27.734401][ T240] 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
[ 27.734889][ T240] RSP: 002b:00007f3e63ed49b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 27.735105][ T240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e6482991e
[ 27.735315][ T240] RDX: 000000000000002a RSI: 0000000000000006 RDI: 0000000000000009
[ 27.735528][ T240] RBP: 0000000000000009 R08: 0000000000000010 R09: 0000000000000064
[ 27.735753][ T240] R10: 00007f3e63ed49d0 R11: 0000000000000206 R12: 00007f3e63ed4b10
[ 27.735964][ T240] R13: 00007f3e63ed4c40 R14: ffffffffffffffe0 R15: 0000000000000000
[ 27.736191][ T240]