[ 33.741428][ T240] [ 33.741725][ T240] ============================= [ 33.742976][ T240] WARNING: suspicious RCU usage [ 33.743279][ T240] 6.12.0-rc4-virtme #1 Not tainted [ 33.743527][ T240] ----------------------------- [ 33.743797][ T240] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!! [ 33.744193][ T240] [ 33.744193][ T240] other info that might help us debug this: [ 33.744193][ T240] [ 33.744626][ T240] [ 33.744626][ T240] rcu_scheduler_active = 2, debug_locks = 1 [ 33.745118][ T240] 1 lock held by restore_ipv4/240: [ 33.745370][ T240] #0: ffff888005f3aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0 [ 33.745813][ T240] [ 33.745813][ T240] stack backtrace: [ 33.746128][ T240] CPU: 3 UID: 0 PID: 240 Comm: restore_ipv4 Not tainted 6.12.0-rc4-virtme #1 [ 33.746425][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.746800][ T240] Call Trace: [ 33.746974][ T240] [ 33.747064][ T240] dump_stack_lvl+0xb0/0xd0 [ 33.747224][ T240] lockdep_rcu_suspicious+0x1ea/0x280 [ 33.747386][ T240] tcp_ao_copy_mkts_to_user+0xded/0x1050 [ 33.747544][ T240] ? mark_held_locks+0x9e/0xe0 [ 33.747721][ T240] ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10 [ 33.747943][ T240] ? stack_depot_save_flags+0x273/0x3a0 [ 33.748108][ T240] ? kasan_save_stack+0x24/0x50 [ 33.748278][ T240] ? kasan_save_track+0x14/0x30 [ 33.748457][ T240] ? kasan_save_free_info+0x3b/0x60 [ 33.748635][ T240] ? __kasan_slab_free+0x38/0x50 [ 33.748833][ T240] ? kfree+0xf3/0x340 [ 33.748960][ T240] ? tcp_ao_parse_crypto+0x269/0x650 [ 33.749163][ T240] ? __lock_acquire+0xb3f/0x1580 [ 33.749355][ T240] ? lock_acquire.part.0+0xeb/0x330 [ 33.749511][ T240] ? find_held_lock+0x2c/0x110 [ 33.749669][ T240] ? __lock_release+0x103/0x460 [ 33.749870][ T240] ? do_tcp_getsockopt+0x40b/0x2fe0 [ 33.750036][ T240] ? hlock_class+0x4e/0x130 [ 33.750187][ T240] ? mark_lock+0x38/0x3e0 [ 33.750347][ T240] ? do_tcp_getsockopt+0x10dd/0x2fe0 [ 33.750513][ T240] do_tcp_getsockopt+0x10dd/0x2fe0 [ 33.750711][ T240] ? __pfx_do_tcp_getsockopt+0x10/0x10 [ 33.750901][ T240] ? tcp_ao_add_cmd+0xf22/0x1700 [ 33.751109][ T240] ? release_sock+0x1f/0x1d0 [ 33.751301][ T240] ? reacquire_held_locks+0x22f/0x4f0 [ 33.751459][ T240] ? release_sock+0x1f/0x1d0 [ 33.751656][ T240] ? rcu_read_lock_any_held+0x43/0xb0 [ 33.751831][ T240] ? validate_chain+0x1fe/0xae0 [ 33.752011][ T240] ? find_held_lock+0x2c/0x110 [ 33.752195][ T240] ? __pfx_validate_chain+0x10/0x10 [ 33.752347][ T240] ? __pfx_validate_chain+0x10/0x10 [ 33.752523][ T240] ? hlock_class+0x4e/0x130 [ 33.752674][ T240] ? mark_lock+0x38/0x3e0 [ 33.752815][ T240] ? __lock_acquire+0xb3f/0x1580 [ 33.752977][ T240] ? find_held_lock+0x2c/0x110 [ 33.753172][ T240] ? __lock_release+0x103/0x460 [ 33.753340][ T240] ? __might_fault+0x11b/0x170 [ 33.753500][ T240] ? __pfx___lock_release+0x10/0x10 [ 33.753700][ T240] ? trace_lock_acquire+0x14d/0x1f0 [ 33.753859][ T240] ? find_held_lock+0x2c/0x110 [ 33.754041][ T240] ? __might_fault+0xc3/0x170 [ 33.754241][ T240] ? __might_fault+0xc3/0x170 [ 33.754404][ T240] tcp_getsockopt+0x90/0xf0 [ 33.754570][ T240] do_sock_getsockopt+0x1c7/0x730 [ 33.754743][ T240] ? __fget_files+0x1af/0x3e0 [ 33.754922][ T240] ? __pfx_do_sock_getsockopt+0x10/0x10 [ 33.755089][ T240] ? fdget+0x175/0x1e0 [ 33.755231][ T240] __sys_getsockopt+0xfc/0x1b0 [ 33.755411][ T240] ? __pfx___sys_getsockopt+0x10/0x10 [ 33.755596][ T240] ? __pfx_task_work_run+0x10/0x10 [ 33.755765][ T240] __x64_sys_getsockopt+0xbd/0x160 [ 33.755922][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.756131][ T240] do_syscall_64+0xc1/0x1d0 [ 33.756311][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.756517][ T240] RIP: 0033:0x7f0c6486946e [ 33.756690][ 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 [ 33.757370][ T240] RSP: 002b:00007f0c63f14858 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 33.757617][ T240] RAX: ffffffffffffffda RBX: 00007f0c63f14b10 RCX: 00007f0c6486946e [ 33.757875][ T240] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 000000000000000a [ 33.758104][ T240] RBP: 00007f0c63f14870 R08: 00007f0c63f1486c R09: 0000000000000064 [ 33.758404][ T240] R10: 00007f0c63f14870 R11: 0000000000000246 R12: 000000000000000a [ 33.758695][ T240] R13: 0000000000000064 R14: 0000000000000020 R15: 0000000000000064 [ 33.758948][ T240] [ 33.761236][ T240] [ 33.761399][ T240] ============================= [ 33.761574][ T240] WARNING: suspicious RCU usage [ 33.761753][ T240] 6.12.0-rc4-virtme #1 Not tainted [ 33.762041][ T240] ----------------------------- [ 33.762346][ T240] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!! [ 33.762766][ T240] [ 33.762766][ T240] other info that might help us debug this: [ 33.762766][ T240] [ 33.763231][ T240] [ 33.763231][ T240] rcu_scheduler_active = 2, debug_locks = 1 [ 33.763581][ T240] 1 lock held by restore_ipv4/240: [ 33.763899][ T240] #0: ffff888005f3aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0 [ 33.764389][ T240] [ 33.764389][ T240] stack backtrace: [ 33.764768][ T240] CPU: 3 UID: 0 PID: 240 Comm: restore_ipv4 Not tainted 6.12.0-rc4-virtme #1 [ 33.765063][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.765435][ T240] Call Trace: [ 33.765573][ T240] [ 33.765671][ T240] dump_stack_lvl+0xb0/0xd0 [ 33.765869][ T240] lockdep_rcu_suspicious+0x1ea/0x280 [ 33.766070][ T240] __tcp_ao_do_lookup.part.0+0x201/0x240 [ 33.766244][ T240] tcp_v4_ao_lookup+0x84/0xd0 [ 33.766481][ T240] tcp_connect+0x1216/0x18b0 [ 33.766744][ T240] tcp_v4_connect+0x119e/0x1900 [ 33.767013][ T240] ? __pfx_tcp_v4_connect+0x10/0x10 [ 33.767272][ T240] ? mark_lock+0x38/0x3e0 [ 33.767485][ T240] __inet_stream_connect+0x272/0x9f0 [ 33.767738][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.768042][ T240] inet_stream_connect+0x57/0xa0 [ 33.768294][ T240] __sys_connect+0x205/0x280 [ 33.768551][ T240] ? __pfx___sys_connect+0x10/0x10 [ 33.768808][ T240] ? do_fcntl+0x5cc/0x8b0 [ 33.768988][ T240] ? __pfx_do_fcntl+0x10/0x10 [ 33.769237][ T240] ? __fget_files+0x1b9/0x3e0 [ 33.769467][ T240] __x64_sys_connect+0x72/0xb0 [ 33.769714][ T240] do_syscall_64+0xc1/0x1d0 [ 33.769951][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.770243][ T240] RIP: 0033:0x7f0c6486940b [ 33.770499][ 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 [ 33.771385][ T240] RSP: 002b:00007f0c63f14c10 EFLAGS: 00000293 ORIG_RAX: 000000000000002a [ 33.771769][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0c6486940b [ 33.772151][ T240] RDX: 0000000000000010 RSI: 00007f0c63f14c60 RDI: 000000000000000a [ 33.772563][ T240] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000415460 [ 33.772958][ T240] R10: 00007f0c64721598 R11: 0000000000000293 R12: 0000000000410270 [ 33.773339][ T240] R13: 0000000000000005 R14: 00007f0c63f14c60 R15: ffffffffffffffe0 [ 33.773729][ T240] [ 33.780228][ T240] [ 33.780431][ T240] ============================= [ 33.780721][ T240] WARNING: suspicious RCU usage [ 33.781018][ T240] 6.12.0-rc4-virtme #1 Not tainted [ 33.781298][ T240] ----------------------------- [ 33.781556][ T240] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!! [ 33.781979][ T240] [ 33.781979][ T240] other info that might help us debug this: [ 33.781979][ T240] [ 33.782488][ T240] [ 33.782488][ T240] rcu_scheduler_active = 2, debug_locks = 1 [ 33.782912][ T240] 1 lock held by restore_ipv4/240: [ 33.783163][ T240] #0: ffff888005f3aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0 [ 33.783620][ T240] [ 33.783620][ T240] stack backtrace: [ 33.783984][ T240] CPU: 2 UID: 0 PID: 240 Comm: restore_ipv4 Not tainted 6.12.0-rc4-virtme #1 [ 33.784412][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.784967][ T240] Call Trace: [ 33.785166][ T240] [ 33.785302][ T240] dump_stack_lvl+0xb0/0xd0 [ 33.785566][ T240] lockdep_rcu_suspicious+0x1ea/0x280 [ 33.785855][ T240] tcp_ao_finish_connect+0x206/0x2f0 [ 33.786126][ T240] tcp_finish_connect+0x25/0x510 [ 33.786412][ T240] tcp_rcv_synsent_state_process+0xa6d/0x26f0 [ 33.786738][ T240] ? hlock_class+0x4e/0x130 [ 33.787005][ T240] ? mark_lock+0x38/0x3e0 [ 33.787220][ T240] ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10 [ 33.787589][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.787941][ T240] ? kvm_clock_get_cycles+0x18/0x30 [ 33.788227][ T240] ? ktime_get+0xb7/0x200 [ 33.788421][ T240] ? __lock_acquire+0xb3f/0x1580 [ 33.788703][ T240] tcp_rcv_state_process+0x336/0x1e30 [ 33.788949][ T240] ? __lock_release+0x103/0x460 [ 33.789262][ T240] ? __release_sock+0xc8/0x390 [ 33.789514][ T240] ? __pfx_tcp_rcv_state_process+0x10/0x10 [ 33.789842][ T240] ? mark_lock+0x38/0x3e0 [ 33.790053][ T240] tcp_v4_do_rcv+0x14a/0x8c0 [ 33.790330][ T240] __release_sock+0x27a/0x390 [ 33.790580][ T240] release_sock+0x53/0x1d0 [ 33.790866][ T240] inet_stream_connect+0x7a/0xa0 [ 33.791126][ T240] __sys_connect+0x205/0x280 [ 33.791377][ T240] ? __pfx___sys_connect+0x10/0x10 [ 33.791635][ T240] ? do_fcntl+0x5cc/0x8b0 [ 33.791838][ T240] ? __pfx_do_fcntl+0x10/0x10 [ 33.792106][ T240] ? __fget_files+0x1b9/0x3e0 [ 33.792393][ T240] __x64_sys_connect+0x72/0xb0 [ 33.792650][ T240] do_syscall_64+0xc1/0x1d0 [ 33.792907][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.793204][ T240] RIP: 0033:0x7f0c6486940b [ 33.793383][ 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 [ 33.793978][ T240] RSP: 002b:00007f0c63f14c10 EFLAGS: 00000293 ORIG_RAX: 000000000000002a [ 33.794249][ T240] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0c6486940b [ 33.794509][ T240] RDX: 0000000000000010 RSI: 00007f0c63f14c60 RDI: 000000000000000a [ 33.794742][ T240] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000415460 [ 33.794973][ T240] R10: 00007f0c64721598 R11: 0000000000000293 R12: 0000000000410270 [ 33.795198][ T240] R13: 0000000000000005 R14: 00007f0c63f14c60 R15: ffffffffffffffe0 [ 33.795456][ T240] [ 33.829816][ T240] [ 33.829999][ T240] ============================= [ 33.830179][ T240] WARNING: suspicious RCU usage [ 33.830341][ T240] 6.12.0-rc4-virtme #1 Not tainted [ 33.830498][ T240] ----------------------------- [ 33.830652][ T240] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!! [ 33.830894][ T240] [ 33.830894][ T240] other info that might help us debug this: [ 33.830894][ T240] [ 33.831252][ T240] [ 33.831252][ T240] rcu_scheduler_active = 2, debug_locks = 1 [ 33.831484][ T240] 1 lock held by restore_ipv4/240: [ 33.831642][ T240] #0: ffff888005f3d218 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320 [ 33.831948][ T240] [ 33.831948][ T240] stack backtrace: [ 33.832159][ T240] CPU: 3 UID: 0 PID: 240 Comm: restore_ipv4 Not tainted 6.12.0-rc4-virtme #1 [ 33.832454][ T240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.832801][ T240] Call Trace: [ 33.832955][ T240] [ 33.833041][ T240] dump_stack_lvl+0xb0/0xd0 [ 33.833238][ T240] lockdep_rcu_suspicious+0x1ea/0x280 [ 33.833425][ T240] tcp_ao_set_repair+0x3ec/0x4c0 [ 33.833587][ T240] ? hlock_class+0x4e/0x130 [ 33.833762][ T240] ? __pfx_tcp_ao_set_repair+0x10/0x10 [ 33.833981][ T240] do_tcp_setsockopt+0xb43/0x2320 [ 33.834233][ T240] ? __pfx_do_tcp_setsockopt+0x10/0x10 [ 33.834457][ T240] ? __lock_acquire+0xb3f/0x1580 [ 33.834636][ T240] ? find_held_lock+0x2c/0x110 [ 33.834801][ T240] ? __lock_release+0x103/0x460 [ 33.834985][ T240] ? __fget_files+0x1af/0x3e0 [ 33.835173][ T240] ? __pfx___lock_release+0x10/0x10 [ 33.835372][ T240] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.835542][ T240] ? trace_lock_acquire+0x14d/0x1f0 [ 33.835703][ T240] do_sock_setsockopt+0x149/0x3a0 [ 33.835876][ T240] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 33.836045][ T240] ? fdget+0x175/0x1e0 [ 33.836182][ T240] __sys_setsockopt+0x104/0x1a0 [ 33.836363][ T240] ? __pfx___sys_setsockopt+0x10/0x10 [ 33.836520][ T240] ? __fget_files+0x1b9/0x3e0 [ 33.836676][ T240] ? __pfx___sys_socket+0x10/0x10 [ 33.836861][ T240] __x64_sys_setsockopt+0xbd/0x160 [ 33.837021][ T240] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.837264][ T240] do_syscall_64+0xc1/0x1d0 [ 33.837423][ T240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.837631][ T240] RIP: 0033:0x7f0c6486991e [ 33.837798][ 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 [ 33.838374][ T240] RSP: 002b:00007f0c63f149d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 33.838625][ T240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c6486991e [ 33.838855][ T240] RDX: 000000000000002a RSI: 0000000000000006 RDI: 0000000000000009 [ 33.839114][ T240] RBP: 0000000000000009 R08: 0000000000000010 R09: 0000000000000064 [ 33.839493][ T240] R10: 00007f0c63f14cb0 R11: 0000000000000202 R12: 00007f0c63f14b30 [ 33.839735][ T240] R13: 000000000040e498 R14: 000000000040e010 R15: 00007f0c63f14cd0 [ 33.839984][ T240]