[ 27.997620][ T233]
[ 27.997956][ T233] =============================
[ 27.998124][ T233] WARNING: suspicious RCU usage
[ 27.998361][ T233] 6.12.0-rc4-virtme #1 Not tainted
[ 27.998549][ T233] -----------------------------
[ 27.998713][ T233] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!!
[ 27.998973][ T233]
[ 27.998973][ T233] other info that might help us debug this:
[ 27.998973][ T233]
[ 27.999308][ T233]
[ 27.999308][ T233] rcu_scheduler_active = 2, debug_locks = 1
[ 27.999569][ T233] 1 lock held by rst_ipv4/233:
[ 27.999744][ T233] #0: ffff88800552b798 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0
[ 28.000075][ T233]
[ 28.000075][ T233] stack backtrace:
[ 28.000681][ T233] CPU: 1 UID: 0 PID: 233 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 28.000931][ T233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.001302][ T233] Call Trace:
[ 28.001433][ T233]
[ 28.001520][ T233] dump_stack_lvl+0xb0/0xd0
[ 28.001691][ T233] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.001864][ T233] tcp_ao_copy_mkts_to_user+0xded/0x1050
[ 28.002035][ T233] ? mark_held_locks+0x9e/0xe0
[ 28.002211][ T233] ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10
[ 28.002431][ T233] ? stack_depot_save_flags+0x273/0x3a0
[ 28.002603][ T233] ? kasan_save_stack+0x24/0x50
[ 28.002767][ T233] ? kasan_save_track+0x14/0x30
[ 28.002925][ T233] ? kasan_save_free_info+0x3b/0x60
[ 28.003089][ T233] ? __kasan_slab_free+0x38/0x50
[ 28.003274][ T233] ? kfree+0xf3/0x340
[ 28.003418][ T233] ? tcp_ao_parse_crypto+0x269/0x650
[ 28.003619][ T233] ? __lock_acquire+0xb3f/0x1580
[ 28.003792][ T233] ? lock_acquire.part.0+0xeb/0x330
[ 28.003969][ T233] ? find_held_lock+0x2c/0x110
[ 28.004138][ T233] ? __lock_release+0x103/0x460
[ 28.004313][ T233] ? do_tcp_getsockopt+0x40b/0x2fe0
[ 28.004478][ T233] ? hlock_class+0x4e/0x130
[ 28.004642][ T233] ? mark_lock+0x38/0x3e0
[ 28.004774][ T233] ? do_tcp_getsockopt+0x10dd/0x2fe0
[ 28.004934][ T233] do_tcp_getsockopt+0x10dd/0x2fe0
[ 28.005099][ T233] ? __pfx_do_tcp_getsockopt+0x10/0x10
[ 28.005277][ T233] ? tcp_ao_add_cmd+0xf22/0x1700
[ 28.005456][ T233] ? release_sock+0x1f/0x1d0
[ 28.005631][ T233] ? reacquire_held_locks+0x22f/0x4f0
[ 28.006018][ T233] ? release_sock+0x1f/0x1d0
[ 28.006193][ T233] ? rcu_read_lock_any_held+0x43/0xb0
[ 28.006376][ T233] ? validate_chain+0x1fe/0xae0
[ 28.006558][ T233] ? find_held_lock+0x2c/0x110
[ 28.006722][ T233] ? __pfx_validate_chain+0x10/0x10
[ 28.006896][ T233] ? __pfx_validate_chain+0x10/0x10
[ 28.007057][ T233] ? hlock_class+0x4e/0x130
[ 28.007241][ T233] ? mark_lock+0x38/0x3e0
[ 28.007377][ T233] ? __lock_acquire+0xb3f/0x1580
[ 28.007560][ T233] ? find_held_lock+0x2c/0x110
[ 28.007723][ T233] ? __lock_release+0x103/0x460
[ 28.007878][ T233] ? __might_fault+0x11b/0x170
[ 28.008058][ T233] ? __pfx___lock_release+0x10/0x10
[ 28.008224][ T233] ? trace_lock_acquire+0x14d/0x1f0
[ 28.008398][ T233] ? find_held_lock+0x2c/0x110
[ 28.008557][ T233] ? __might_fault+0xc3/0x170
[ 28.008731][ T233] ? __might_fault+0xc3/0x170
[ 28.008897][ T233] tcp_getsockopt+0x90/0xf0
[ 28.009060][ T233] do_sock_getsockopt+0x1c7/0x730
[ 28.009242][ T233] ? __fget_files+0x1af/0x3e0
[ 28.009407][ T233] ? __pfx_do_sock_getsockopt+0x10/0x10
[ 28.009592][ T233] ? fdget+0x175/0x1e0
[ 28.009715][ T233] __sys_getsockopt+0xfc/0x1b0
[ 28.009886][ T233] ? __pfx___sys_getsockopt+0x10/0x10
[ 28.010044][ T233] ? __pfx_task_work_run+0x10/0x10
[ 28.010235][ T233] ? __pfx___sys_socket+0x10/0x10
[ 28.010421][ T233] __x64_sys_getsockopt+0xbd/0x160
[ 28.010580][ T233] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.010799][ T233] do_syscall_64+0xc1/0x1d0
[ 28.010961][ T233] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.011170][ T233] RIP: 0033:0x7fb760a0046e
[ 28.011400][ T233] 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
[ 28.011963][ T233] RSP: 002b:00007fffd0962ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[ 28.012202][ T233] RAX: ffffffffffffffda RBX: 00007fffd0962da0 RCX: 00007fb760a0046e
[ 28.012447][ T233] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 000000000000000a
[ 28.012696][ T233] RBP: 00007fffd0962af0 R08: 00007fffd0962aec R09: 0000000000000064
[ 28.012941][ T233] R10: 00007fffd0962af0 R11: 0000000000000246 R12: 000000000000000a
[ 28.013197][ T233] R13: 0000000000000064 R14: 0000000000000020 R15: 0000000000000064
[ 28.013485][ T233]
[ 28.017280][ T240]
[ 28.017433][ T240] =============================
[ 28.017635][ T240] WARNING: suspicious RCU usage
[ 28.017822][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 28.018014][ T240] -----------------------------
[ 28.018216][ T240] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!!
[ 28.018593][ T240]
[ 28.018593][ T240] other info that might help us debug this:
[ 28.018593][ T240]
[ 28.018949][ T240]
[ 28.018949][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 28.019223][ T240] 1 lock held by rst_ipv4/240:
[ 28.019405][ T240] #0: ffff88800552aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 28.019754][ T240]
[ 28.019754][ T240] stack backtrace:
[ 28.019979][ T240] CPU: 3 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 28.020263][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.020664][ T240] Call Trace:
[ 28.020803][ T240]
[ 28.020902][ T240] dump_stack_lvl+0xb0/0xd0
[ 28.021091][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.021296][ T240] __tcp_ao_do_lookup.part.0+0x201/0x240
[ 28.021481][ T240] tcp_v4_ao_lookup+0x84/0xd0
[ 28.021664][ T240] tcp_connect+0x1216/0x18b0
[ 28.021860][ T240] tcp_v4_connect+0x119e/0x1900
[ 28.022054][ T240] ? __pfx_tcp_v4_connect+0x10/0x10
[ 28.022246][ T240] ? mark_lock+0x38/0x3e0
[ 28.022393][ T240] __inet_stream_connect+0x272/0x9f0
[ 28.022573][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.022802][ T240] inet_stream_connect+0x57/0xa0
[ 28.022984][ T240] __sys_connect+0x205/0x280
[ 28.023176][ T240] ? __pfx___sys_connect+0x10/0x10
[ 28.023359][ T240] ? do_fcntl+0x5cc/0x8b0
[ 28.023498][ T240] ? __pfx_do_fcntl+0x10/0x10
[ 28.023683][ T240] ? __fget_files+0x1b9/0x3e0
[ 28.023874][ T240] ? __pfx___sys_socket+0x10/0x10
[ 28.024069][ T240] __x64_sys_connect+0x72/0xb0
[ 28.024263][ T240] do_syscall_64+0xc1/0x1d0
[ 28.024447][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.024667][ T240] RIP: 0033:0x7fb760a0040b
[ 28.024852][ 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
[ 28.025480][ T240] RSP: 002b:00007fb75bffed80 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 28.025752][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fb760a0040b
[ 28.026017][ T240] RDX: 0000000000000010 RSI: 00007fb75bffee00 RDI: 0000000000000009
[ 28.026355][ T240] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000ffffffff
[ 28.026696][ T240] R10: 00007fb7608b8598 R11: 0000000000000293 R12: 0000000000410978
[ 28.026967][ T240] R13: 0000000000000005 R14: 00007fb75bffee00 R15: 000000000000621b
[ 28.027259][ T240]
[ 28.029798][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.
[ 28.031919][ T240]
[ 28.032032][ T240] =============================
[ 28.032199][ T240] WARNING: suspicious RCU usage
[ 28.032396][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 28.032680][ T240] -----------------------------
[ 28.032845][ T240] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!!
[ 28.033125][ T240]
[ 28.033125][ T240] other info that might help us debug this:
[ 28.033125][ T240]
[ 28.033458][ T240]
[ 28.033458][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 28.033814][ T240] 1 lock held by rst_ipv4/240:
[ 28.034054][ T240] #0: ffff88800552aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[ 28.034386][ T240]
[ 28.034386][ T240] stack backtrace:
[ 28.034698][ T240] CPU: 2 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 28.034941][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.035337][ T240] Call Trace:
[ 28.035463][ T240]
[ 28.035554][ T240] dump_stack_lvl+0xb0/0xd0
[ 28.035729][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 28.035897][ T240] tcp_ao_finish_connect+0x206/0x2f0
[ 28.036061][ T240] tcp_finish_connect+0x25/0x510
[ 28.036232][ T240] tcp_rcv_synsent_state_process+0xa6d/0x26f0
[ 28.036437][ T240] ? hlock_class+0x4e/0x130
[ 28.036727][ T240] ? mark_lock+0x38/0x3e0
[ 28.036855][ T240] ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10
[ 28.037084][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.037297][ T240] ? kvm_clock_get_cycles+0x18/0x30
[ 28.037464][ T240] ? ktime_get+0xb7/0x200
[ 28.037601][ T240] ? __lock_acquire+0xb3f/0x1580
[ 28.037783][ T240] tcp_rcv_state_process+0x336/0x1e30
[ 28.037971][ T240] ? __lock_release+0x103/0x460
[ 28.038136][ T240] ? __release_sock+0xc8/0x390
[ 28.038344][ T240] ? __pfx_tcp_rcv_state_process+0x10/0x10
[ 28.038544][ T240] ? mark_lock+0x38/0x3e0
[ 28.038698][ T240] tcp_v4_do_rcv+0x14a/0x8c0
[ 28.038867][ T240] __release_sock+0x27a/0x390
[ 28.039053][ T240] release_sock+0x53/0x1d0
[ 28.039218][ T240] inet_stream_connect+0x7a/0xa0
[ 28.039409][ T240] __sys_connect+0x205/0x280
[ 28.039584][ T240] ? __pfx___sys_connect+0x10/0x10
[ 28.039751][ T240] ? do_fcntl+0x5cc/0x8b0
[ 28.039877][ T240] ? __pfx_do_fcntl+0x10/0x10
[ 28.040045][ T240] ? __fget_files+0x1b9/0x3e0
[ 28.040213][ T240] ? __pfx___sys_socket+0x10/0x10
[ 28.040410][ T240] __x64_sys_connect+0x72/0xb0
[ 28.040577][ T240] do_syscall_64+0xc1/0x1d0
[ 28.040773][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 28.040989][ T240] RIP: 0033:0x7fb760a0040b
[ 28.041177][ 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
[ 28.041763][ T240] RSP: 002b:00007fb75bffed80 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[ 28.042037][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fb760a0040b
[ 28.042308][ T240] RDX: 0000000000000010 RSI: 00007fb75bffee00 RDI: 0000000000000009
[ 28.042597][ T240] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000ffffffff
[ 28.042843][ T240] R10: 00007fb7608b8598 R11: 0000000000000293 R12: 0000000000410978
[ 28.043105][ T240] R13: 0000000000000005 R14: 00007fb75bffee00 R15: 000000000000621b
[ 28.043392][ T240]
[ 29.101211][ T240]
[ 29.101432][ T240] =============================
[ 29.101693][ T240] WARNING: suspicious RCU usage
[ 29.101942][ T240] 6.12.0-rc4-virtme #1 Not tainted
[ 29.102172][ T240] -----------------------------
[ 29.102406][ T240] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!!
[ 29.102747][ T240]
[ 29.102747][ T240] other info that might help us debug this:
[ 29.102747][ T240]
[ 29.103220][ T240]
[ 29.103220][ T240] rcu_scheduler_active = 2, debug_locks = 1
[ 29.103627][ T240] 1 lock held by rst_ipv4/240:
[ 29.103909][ T240] #0: ffff888008422a58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320
[ 29.104355][ T240]
[ 29.104355][ T240] stack backtrace:
[ 29.104672][ T240] CPU: 0 UID: 0 PID: 240 Comm: rst_ipv4 Not tainted 6.12.0-rc4-virtme #1
[ 29.105009][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 29.105523][ T240] Call Trace:
[ 29.105699][ T240]
[ 29.105819][ T240] dump_stack_lvl+0xb0/0xd0
[ 29.106049][ T240] lockdep_rcu_suspicious+0x1ea/0x280
[ 29.106280][ T240] tcp_ao_set_repair+0x3ec/0x4c0
[ 29.106504][ T240] ? hlock_class+0x4e/0x130
[ 29.106733][ T240] ? __pfx_tcp_ao_set_repair+0x10/0x10
[ 29.106979][ T240] do_tcp_setsockopt+0xb43/0x2320
[ 29.107217][ T240] ? __pfx_do_tcp_setsockopt+0x10/0x10
[ 29.107443][ T240] ? __lock_acquire+0xb3f/0x1580
[ 29.107686][ T240] ? find_held_lock+0x2c/0x110
[ 29.107911][ T240] ? __lock_release+0x103/0x460
[ 29.108134][ T240] ? __fget_files+0x1af/0x3e0
[ 29.108369][ T240] ? __pfx___lock_release+0x10/0x10
[ 29.108591][ T240] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 29.108812][ T240] ? trace_lock_acquire+0x14d/0x1f0
[ 29.109053][ T240] do_sock_setsockopt+0x149/0x3a0
[ 29.109287][ T240] ? __pfx_do_sock_setsockopt+0x10/0x10
[ 29.109532][ T240] ? fdget+0x175/0x1e0
[ 29.109709][ T240] __sys_setsockopt+0x104/0x1a0
[ 29.109945][ T240] ? __pfx___sys_setsockopt+0x10/0x10
[ 29.110177][ T240] ? __fget_files+0x1b9/0x3e0
[ 29.110402][ T240] ? __pfx___sys_socket+0x10/0x10
[ 29.110643][ T240] __x64_sys_setsockopt+0xbd/0x160
[ 29.110866][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.111152][ T240] do_syscall_64+0xc1/0x1d0
[ 29.111391][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.111688][ T240] RIP: 0033:0x7fb760a0091e
[ 29.111935][ 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
[ 29.112733][ T240] RSP: 002b:00007fb75bffe9b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 29.113119][ T240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb760a0091e
[ 29.113482][ T240] RDX: 000000000000002a RSI: 0000000000000006 RDI: 000000000000000a
[ 29.114087][ T240] RBP: 000000000000000a R08: 0000000000000010 R09: 0000000000000064
[ 29.114300][ T240] R10: 00007fb75bffe9d0 R11: 0000000000000206 R12: 00007fb75bffeb10
[ 29.114519][ T240] R13: 00007fb75bffec40 R14: ffffffffffffffe0 R15: 0000000000000000
[ 29.114778][ T240]