[ 160.165398][ T6050] rtnetlink_rcv_msg+0x869/0xfa0 [ 160.170401][ T6050] ? lockdep_hardirqs_on+0x98/0x150 [ 160.175833][ T6050] ? rtnetlink_bind+0x80/0x80 [ 160.180573][ T6050] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 160.186611][ T6050] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.191887][ T6050] ? lock_chain_count+0x20/0x20 [ 160.196799][ T6050] ? __local_bh_enable_ip+0x13a/0x1c0 [ 160.202232][ T6050] ? lockdep_hardirqs_on+0x98/0x150 [ 160.207496][ T6050] ? __local_bh_enable_ip+0x13a/0x1c0 [ 160.212916][ T6050] ? _local_bh_enable+0xa0/0xa0 [ 160.217893][ T6050] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.223032][ T6050] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.228246][ T6050] ? __dev_queue_xmit+0x124f/0x36b0 [ 160.233475][ T6050] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.238619][ T6050] ? ref_tracker_free+0x690/0x840 [ 160.243749][ T6050] netlink_rcv_skb+0x241/0x4d0 [ 160.248558][ T6050] ? rtnetlink_bind+0x80/0x80 [ 160.253285][ T6050] ? netlink_ack+0x1180/0x1180 [ 160.258101][ T6050] ? __lock_acquire+0x7d40/0x7d40 [ 160.263144][ T6050] ? netlink_deliver_tap+0x2e/0x1b0 [ 160.268364][ T6050] netlink_unicast+0x751/0x8d0 [ 160.273155][ T6050] netlink_sendmsg+0x8d0/0xbf0 [ 160.277947][ T6050] ? netlink_getsockopt+0x590/0x590 [ 160.283166][ T6050] ? aa_sock_msg_perm+0x94/0x150 [ 160.288145][ T6050] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 160.293534][ T6050] ? security_socket_sendmsg+0x80/0xa0 [ 160.299022][ T6050] ? netlink_getsockopt+0x590/0x590 [ 160.304259][ T6050] ____sys_sendmsg+0x5ba/0x960 [ 160.309062][ T6050] ? __asan_memset+0x22/0x40 [ 160.313684][ T6050] ? __sys_sendmsg_sock+0x30/0x30 [ 160.318829][ T6050] ? __import_iovec+0x5f2/0x850 [ 160.323718][ T6050] ? import_iovec+0x73/0xa0 [ 160.328261][ T6050] ___sys_sendmsg+0x2a6/0x360 [ 160.332968][ T6050] ? get_pid_task+0x20/0x1e0 [ 160.337586][ T6050] ? __sys_sendmsg+0x2a0/0x2a0 [ 160.342399][ T6050] ? file_end_write+0x250/0x250 [ 160.347301][ T6050] __se_sys_sendmsg+0x1c2/0x2b0 [ 160.352205][ T6050] ? __x64_sys_sendmsg+0x80/0x80 [ 160.357203][ T6050] ? lockdep_hardirqs_on+0x98/0x150 [ 160.362428][ T6050] do_syscall_64+0x55/0xa0 [ 160.366870][ T6050] ? clear_bhb_loop+0x40/0x90 [ 160.371588][ T6050] ? clear_bhb_loop+0x40/0x90 [ 160.376305][ T6050] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 160.382242][ T6050] RIP: 0033:0x7fd627b9acb9 [ 160.386946][ T6050] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 160.406695][ T6050] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.415137][ T6050] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 160.423135][ T6050] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 160.431235][ T6050] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 160.439256][ T6050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 160.447350][ T6050] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 160.455455][ T6050] [ 160.468740][ T6051] FAULT_INJECTION: forcing a failure. [ 160.468740][ T6051] name failslab, interval 1, probability 0, space 0, times 0 [ 160.483004][ T6051] CPU: 0 PID: 6051 Comm: syz.0.66 Not tainted syzkaller #0 [ 160.490267][ T6051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 160.500382][ T6051] Call Trace: [ 160.503709][ T6051] [ 160.506685][ T6051] dump_stack_lvl+0x18c/0x250 [ 160.511432][ T6051] ? show_regs_print_info+0x20/0x20 [ 160.516692][ T6051] ? load_image+0x400/0x400 [ 160.521284][ T6051] should_fail_ex+0x39d/0x4d0 [ 160.526033][ T6051] should_failslab+0x9/0x20 [ 160.530594][ T6051] slab_pre_alloc_hook+0x59/0x310 [ 160.535690][ T6051] kmem_cache_alloc_node+0x60/0x320 [ 160.540953][ T6051] ? __alloc_skb+0x103/0x2c0 [ 160.545613][ T6051] __alloc_skb+0x103/0x2c0 [ 160.550186][ T6051] rtnl_bridge_notify+0xa1/0x250 [ 160.555180][ T6051] rtnl_bridge_setlink+0x697/0x7d0 [ 160.560354][ T6051] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 160.565785][ T6051] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 160.570961][ T6051] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 160.576143][ T6051] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 160.581530][ T6051] rtnetlink_rcv_msg+0x869/0xfa0 [ 160.586532][ T6051] ? lockdep_hardirqs_on+0x98/0x150 [ 160.591786][ T6051] ? rtnetlink_bind+0x80/0x80 [ 160.596561][ T6051] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 160.602584][ T6051] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.607731][ T6051] ? lock_chain_count+0x20/0x20 [ 160.612654][ T6051] ? __local_bh_enable_ip+0x13a/0x1c0 [ 160.618073][ T6051] ? lockdep_hardirqs_on+0x98/0x150 [ 160.623317][ T6051] ? __local_bh_enable_ip+0x13a/0x1c0 [ 160.628726][ T6051] ? _local_bh_enable+0xa0/0xa0 [ 160.633627][ T6051] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.638787][ T6051] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.643973][ T6051] ? __dev_queue_xmit+0x124f/0x36b0 [ 160.649324][ T6051] ? __dev_queue_xmit+0x26b/0x36b0 [ 160.654547][ T6051] ? ref_tracker_free+0x690/0x840 [ 160.659624][ T6051] netlink_rcv_skb+0x241/0x4d0 [ 160.664443][ T6051] ? rtnetlink_bind+0x80/0x80 [ 160.669171][ T6051] ? netlink_ack+0x1180/0x1180 [ 160.674008][ T6051] ? __lock_acquire+0x7d40/0x7d40 [ 160.679162][ T6051] ? netlink_deliver_tap+0x2e/0x1b0 [ 160.684392][ T6051] netlink_unicast+0x751/0x8d0 [ 160.689192][ T6051] netlink_sendmsg+0x8d0/0xbf0 [ 160.694021][ T6051] ? netlink_getsockopt+0x590/0x590 [ 160.699274][ T6051] ? aa_sock_msg_perm+0x94/0x150 [ 160.704228][ T6051] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 160.709530][ T6051] ? security_socket_sendmsg+0x80/0xa0 [ 160.715006][ T6051] ? netlink_getsockopt+0x590/0x590 [ 160.720248][ T6051] ____sys_sendmsg+0x5ba/0x960 [ 160.725059][ T6051] ? __asan_memset+0x22/0x40 [ 160.729680][ T6051] ? __sys_sendmsg_sock+0x30/0x30 [ 160.734728][ T6051] ? __import_iovec+0x5f2/0x850 [ 160.739628][ T6051] ? import_iovec+0x73/0xa0 [ 160.744258][ T6051] ___sys_sendmsg+0x2a6/0x360 [ 160.748987][ T6051] ? get_pid_task+0x20/0x1e0 [ 160.753637][ T6051] ? __sys_sendmsg+0x2a0/0x2a0 [ 160.758495][ T6051] ? file_end_write+0x250/0x250 [ 160.763427][ T6051] __se_sys_sendmsg+0x1c2/0x2b0 [ 160.768331][ T6051] ? __x64_sys_sendmsg+0x80/0x80 [ 160.773307][ T6051] ? lockdep_hardirqs_on+0x98/0x150 [ 160.778520][ T6051] do_syscall_64+0x55/0xa0 [ 160.782967][ T6051] ? clear_bhb_loop+0x40/0x90 [ 160.787674][ T6051] ? clear_bhb_loop+0x40/0x90 [ 160.792404][ T6051] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 160.798356][ T6051] RIP: 0033:0x7f855ad9acb9 [ 160.802835][ T6051] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 160.822524][ T6051] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.830974][ T6051] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 160.839162][ T6051] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 160.847536][ T6051] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 160.855585][ T6051] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 160.863651][ T6051] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 160.871722][ T6051] [ 160.889362][ T6052] FAULT_INJECTION: forcing a failure. [ 160.889362][ T6052] name failslab, interval 1, probability 0, space 0, times 0 [ 160.925565][ T6052] CPU: 0 PID: 6052 Comm: syz.2.67 Not tainted syzkaller #0 [ 160.932865][ T6052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 160.942986][ T6052] Call Trace: [ 160.946410][ T6052] [ 160.949393][ T6052] dump_stack_lvl+0x18c/0x250 [ 160.954147][ T6052] ? show_regs_print_info+0x20/0x20 [ 160.959418][ T6052] ? load_image+0x400/0x400 [ 160.964007][ T6052] should_fail_ex+0x39d/0x4d0 [ 160.968760][ T6052] should_failslab+0x9/0x20 [ 160.973383][ T6052] slab_pre_alloc_hook+0x59/0x310 [ 160.978492][ T6052] kmem_cache_alloc_node+0x60/0x320 [ 160.983765][ T6052] ? __alloc_skb+0x103/0x2c0 [ 160.988547][ T6052] __alloc_skb+0x103/0x2c0 [ 160.993036][ T6052] rtnl_bridge_notify+0xa1/0x250 [ 160.998093][ T6052] rtnl_bridge_setlink+0x697/0x7d0 [ 161.003226][ T6052] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.008536][ T6052] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.013711][ T6052] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.018862][ T6052] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.024191][ T6052] rtnetlink_rcv_msg+0x869/0xfa0 [ 161.029193][ T6052] ? lockdep_hardirqs_on+0x98/0x150 [ 161.034475][ T6052] ? rtnetlink_bind+0x80/0x80 [ 161.039301][ T6052] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 161.045329][ T6052] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.050524][ T6052] ? lock_chain_count+0x20/0x20 [ 161.055442][ T6052] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.061030][ T6052] ? lockdep_hardirqs_on+0x98/0x150 [ 161.066262][ T6052] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.071665][ T6052] ? _local_bh_enable+0xa0/0xa0 [ 161.076564][ T6052] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.081738][ T6052] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.086887][ T6052] ? __dev_queue_xmit+0x124f/0x36b0 [ 161.092122][ T6052] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.097287][ T6052] ? ref_tracker_free+0x690/0x840 [ 161.102354][ T6052] netlink_rcv_skb+0x241/0x4d0 [ 161.107159][ T6052] ? rtnetlink_bind+0x80/0x80 [ 161.111875][ T6052] ? netlink_ack+0x1180/0x1180 [ 161.116688][ T6052] ? __lock_acquire+0x7d40/0x7d40 [ 161.121748][ T6052] ? netlink_deliver_tap+0x2e/0x1b0 [ 161.127021][ T6052] netlink_unicast+0x751/0x8d0 [ 161.131864][ T6052] netlink_sendmsg+0x8d0/0xbf0 [ 161.136757][ T6052] ? netlink_getsockopt+0x590/0x590 [ 161.141994][ T6052] ? aa_sock_msg_perm+0x94/0x150 [ 161.146968][ T6052] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 161.152292][ T6052] ? security_socket_sendmsg+0x80/0xa0 [ 161.157786][ T6052] ? netlink_getsockopt+0x590/0x590 [ 161.163025][ T6052] ____sys_sendmsg+0x5ba/0x960 [ 161.167835][ T6052] ? __asan_memset+0x22/0x40 [ 161.172469][ T6052] ? __sys_sendmsg_sock+0x30/0x30 [ 161.177568][ T6052] ? __import_iovec+0x5f2/0x850 [ 161.182473][ T6052] ? import_iovec+0x73/0xa0 [ 161.187018][ T6052] ___sys_sendmsg+0x2a6/0x360 [ 161.191735][ T6052] ? get_pid_task+0x20/0x1e0 [ 161.196382][ T6052] ? __sys_sendmsg+0x2a0/0x2a0 [ 161.201217][ T6052] ? file_end_write+0x250/0x250 [ 161.206115][ T6052] __se_sys_sendmsg+0x1c2/0x2b0 [ 161.211007][ T6052] ? __x64_sys_sendmsg+0x80/0x80 [ 161.216000][ T6052] ? lockdep_hardirqs_on+0x98/0x150 [ 161.221235][ T6052] do_syscall_64+0x55/0xa0 [ 161.225684][ T6052] ? clear_bhb_loop+0x40/0x90 [ 161.230392][ T6052] ? clear_bhb_loop+0x40/0x90 [ 161.235137][ T6052] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 161.241065][ T6052] RIP: 0033:0x7f5095f9acb9 [ 161.245522][ T6052] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 161.265246][ T6052] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.273698][ T6052] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 161.281709][ T6052] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 161.289711][ T6052] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 161.297713][ T6052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 161.305714][ T6052] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 161.313735][ T6052] [ 161.333564][ T6053] FAULT_INJECTION: forcing a failure. [ 161.333564][ T6053] name failslab, interval 1, probability 0, space 0, times 0 [ 161.357691][ T6053] CPU: 1 PID: 6053 Comm: syz.3.68 Not tainted syzkaller #0 [ 161.365002][ T6053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 161.375118][ T6053] Call Trace: [ 161.378450][ T6053] [ 161.381474][ T6053] dump_stack_lvl+0x18c/0x250 [ 161.386227][ T6053] ? show_regs_print_info+0x20/0x20 [ 161.391500][ T6053] ? load_image+0x400/0x400 [ 161.396085][ T6053] should_fail_ex+0x39d/0x4d0 [ 161.400829][ T6053] should_failslab+0x9/0x20 [ 161.405403][ T6053] slab_pre_alloc_hook+0x59/0x310 [ 161.410500][ T6053] kmem_cache_alloc_node+0x60/0x320 [ 161.415802][ T6053] ? __alloc_skb+0x103/0x2c0 [ 161.420465][ T6053] __alloc_skb+0x103/0x2c0 [ 161.424946][ T6053] rtnl_bridge_notify+0xa1/0x250 [ 161.429942][ T6053] rtnl_bridge_setlink+0x697/0x7d0 [ 161.435163][ T6053] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.440519][ T6053] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.445706][ T6053] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.450878][ T6053] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.456230][ T6053] rtnetlink_rcv_msg+0x869/0xfa0 [ 161.461372][ T6053] ? lockdep_hardirqs_on+0x98/0x150 [ 161.466643][ T6053] ? rtnetlink_bind+0x80/0x80 [ 161.471390][ T6053] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 161.477441][ T6053] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.482625][ T6053] ? lock_chain_count+0x20/0x20 [ 161.487545][ T6053] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.493127][ T6053] ? lockdep_hardirqs_on+0x98/0x150 [ 161.498404][ T6053] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.503854][ T6053] ? _local_bh_enable+0xa0/0xa0 [ 161.508776][ T6053] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.513958][ T6053] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.519222][ T6053] ? __dev_queue_xmit+0x124f/0x36b0 [ 161.524491][ T6053] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.529698][ T6053] ? ref_tracker_free+0x690/0x840 [ 161.534806][ T6053] netlink_rcv_skb+0x241/0x4d0 [ 161.539652][ T6053] ? rtnetlink_bind+0x80/0x80 [ 161.544596][ T6053] ? netlink_ack+0x1180/0x1180 [ 161.549461][ T6053] ? __lock_acquire+0x7d40/0x7d40 [ 161.554581][ T6053] ? netlink_deliver_tap+0x2e/0x1b0 [ 161.559855][ T6053] netlink_unicast+0x751/0x8d0 [ 161.564811][ T6053] netlink_sendmsg+0x8d0/0xbf0 [ 161.569629][ T6053] ? netlink_getsockopt+0x590/0x590 [ 161.574886][ T6053] ? aa_sock_msg_perm+0x94/0x150 [ 161.580018][ T6053] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 161.585374][ T6053] ? security_socket_sendmsg+0x80/0xa0 [ 161.590901][ T6053] ? netlink_getsockopt+0x590/0x590 [ 161.596349][ T6053] ____sys_sendmsg+0x5ba/0x960 [ 161.601176][ T6053] ? __asan_memset+0x22/0x40 [ 161.605795][ T6053] ? __sys_sendmsg_sock+0x30/0x30 [ 161.610860][ T6053] ? __import_iovec+0x5f2/0x850 [ 161.615777][ T6053] ? import_iovec+0x73/0xa0 [ 161.620312][ T6053] ___sys_sendmsg+0x2a6/0x360 [ 161.625014][ T6053] ? get_pid_task+0x20/0x1e0 [ 161.629645][ T6053] ? __sys_sendmsg+0x2a0/0x2a0 [ 161.634508][ T6053] ? file_end_write+0x250/0x250 [ 161.639483][ T6053] __se_sys_sendmsg+0x1c2/0x2b0 [ 161.644461][ T6053] ? __x64_sys_sendmsg+0x80/0x80 [ 161.649500][ T6053] ? lockdep_hardirqs_on+0x98/0x150 [ 161.654776][ T6053] do_syscall_64+0x55/0xa0 [ 161.659265][ T6053] ? clear_bhb_loop+0x40/0x90 [ 161.664007][ T6053] ? clear_bhb_loop+0x40/0x90 [ 161.668834][ T6053] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 161.674855][ T6053] RIP: 0033:0x7f08d019acb9 [ 161.679410][ T6053] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 161.699189][ T6053] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.707684][ T6053] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 161.715878][ T6053] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 161.723886][ T6053] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 161.731921][ T6053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 161.739937][ T6053] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 161.748144][ T6053] [ 161.753698][ T6054] FAULT_INJECTION: forcing a failure. [ 161.753698][ T6054] name failslab, interval 1, probability 0, space 0, times 0 [ 161.767013][ T6054] CPU: 1 PID: 6054 Comm: syz.1.69 Not tainted syzkaller #0 [ 161.774272][ T6054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 161.784407][ T6054] Call Trace: [ 161.788171][ T6054] [ 161.791150][ T6054] dump_stack_lvl+0x18c/0x250 [ 161.795888][ T6054] ? show_regs_print_info+0x20/0x20 [ 161.801219][ T6054] ? load_image+0x400/0x400 [ 161.805778][ T6054] should_fail_ex+0x39d/0x4d0 [ 161.810585][ T6054] should_failslab+0x9/0x20 [ 161.815125][ T6054] slab_pre_alloc_hook+0x59/0x310 [ 161.820385][ T6054] kmem_cache_alloc_node+0x60/0x320 [ 161.825706][ T6054] ? __alloc_skb+0x103/0x2c0 [ 161.830376][ T6054] __alloc_skb+0x103/0x2c0 [ 161.834887][ T6054] rtnl_bridge_notify+0xa1/0x250 [ 161.839898][ T6054] rtnl_bridge_setlink+0x697/0x7d0 [ 161.845083][ T6054] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.850435][ T6054] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.855705][ T6054] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 161.860874][ T6054] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 161.866244][ T6054] rtnetlink_rcv_msg+0x869/0xfa0 [ 161.871255][ T6054] ? lockdep_hardirqs_on+0x98/0x150 [ 161.876511][ T6054] ? rtnetlink_bind+0x80/0x80 [ 161.881256][ T6054] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 161.887326][ T6054] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.893121][ T6054] ? lock_chain_count+0x20/0x20 [ 161.898037][ T6054] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.903479][ T6054] ? lockdep_hardirqs_on+0x98/0x150 [ 161.908736][ T6054] ? __local_bh_enable_ip+0x13a/0x1c0 [ 161.914245][ T6054] ? _local_bh_enable+0xa0/0xa0 [ 161.919166][ T6054] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.924386][ T6054] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.929555][ T6054] ? __dev_queue_xmit+0x124f/0x36b0 [ 161.934814][ T6054] ? __dev_queue_xmit+0x26b/0x36b0 [ 161.939993][ T6054] ? ref_tracker_free+0x690/0x840 [ 161.945302][ T6054] netlink_rcv_skb+0x241/0x4d0 [ 161.950126][ T6054] ? rtnetlink_bind+0x80/0x80 [ 161.954869][ T6054] ? netlink_ack+0x1180/0x1180 [ 161.959691][ T6054] ? __lock_acquire+0x7d40/0x7d40 [ 161.964790][ T6054] ? netlink_deliver_tap+0x2e/0x1b0 [ 161.970073][ T6054] netlink_unicast+0x751/0x8d0 [ 161.975025][ T6054] netlink_sendmsg+0x8d0/0xbf0 [ 161.979946][ T6054] ? netlink_getsockopt+0x590/0x590 [ 161.985226][ T6054] ? aa_sock_msg_perm+0x94/0x150 [ 161.990324][ T6054] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 161.995687][ T6054] ? security_socket_sendmsg+0x80/0xa0 [ 162.001197][ T6054] ? netlink_getsockopt+0x590/0x590 [ 162.006467][ T6054] ____sys_sendmsg+0x5ba/0x960 [ 162.011327][ T6054] ? __asan_memset+0x22/0x40 [ 162.015982][ T6054] ? __sys_sendmsg_sock+0x30/0x30 [ 162.021072][ T6054] ? __import_iovec+0x5f2/0x850 [ 162.025995][ T6054] ? import_iovec+0x73/0xa0 [ 162.030725][ T6054] ___sys_sendmsg+0x2a6/0x360 [ 162.035574][ T6054] ? get_pid_task+0x20/0x1e0 [ 162.040218][ T6054] ? __sys_sendmsg+0x2a0/0x2a0 [ 162.045202][ T6054] ? file_end_write+0x250/0x250 [ 162.050140][ T6054] __se_sys_sendmsg+0x1c2/0x2b0 [ 162.055173][ T6054] ? __x64_sys_sendmsg+0x80/0x80 [ 162.060187][ T6054] ? lockdep_hardirqs_on+0x98/0x150 [ 162.065471][ T6054] do_syscall_64+0x55/0xa0 [ 162.069957][ T6054] ? clear_bhb_loop+0x40/0x90 [ 162.074699][ T6054] ? clear_bhb_loop+0x40/0x90 [ 162.079597][ T6054] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 162.085555][ T6054] RIP: 0033:0x7fd627b9acb9 [ 162.090015][ T6054] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 162.109700][ T6054] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.118195][ T6054] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 162.126471][ T6054] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 162.134504][ T6054] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 162.142516][ T6054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 162.150792][ T6054] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 162.158865][ T6054] [ 162.184198][ T6055] FAULT_INJECTION: forcing a failure. [ 162.184198][ T6055] name failslab, interval 1, probability 0, space 0, times 0 [ 162.197990][ T6055] CPU: 1 PID: 6055 Comm: syz.0.70 Not tainted syzkaller #0 [ 162.205365][ T6055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 162.215496][ T6055] Call Trace: [ 162.218826][ T6055] [ 162.221814][ T6055] dump_stack_lvl+0x18c/0x250 [ 162.226578][ T6055] ? show_regs_print_info+0x20/0x20 [ 162.231843][ T6055] ? load_image+0x400/0x400 [ 162.236414][ T6055] should_fail_ex+0x39d/0x4d0 [ 162.241167][ T6055] should_failslab+0x9/0x20 [ 162.245747][ T6055] slab_pre_alloc_hook+0x59/0x310 [ 162.250851][ T6055] kmem_cache_alloc_node+0x60/0x320 [ 162.256127][ T6055] ? __alloc_skb+0x103/0x2c0 [ 162.260801][ T6055] __alloc_skb+0x103/0x2c0 [ 162.265376][ T6055] rtnl_bridge_notify+0xa1/0x250 [ 162.270556][ T6055] rtnl_bridge_setlink+0x697/0x7d0 [ 162.275829][ T6055] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 162.281272][ T6055] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 162.286693][ T6055] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 162.291891][ T6055] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 162.297257][ T6055] rtnetlink_rcv_msg+0x869/0xfa0 [ 162.302283][ T6055] ? lockdep_hardirqs_on+0x98/0x150 [ 162.307755][ T6055] ? rtnetlink_bind+0x80/0x80 [ 162.312516][ T6055] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 162.318589][ T6055] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.323805][ T6055] ? lock_chain_count+0x20/0x20 [ 162.328744][ T6055] ? __local_bh_enable_ip+0x13a/0x1c0 [ 162.334299][ T6055] ? lockdep_hardirqs_on+0x98/0x150 [ 162.339619][ T6055] ? __local_bh_enable_ip+0x13a/0x1c0 [ 162.345071][ T6055] ? _local_bh_enable+0xa0/0xa0 [ 162.349999][ T6055] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.355188][ T6055] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.360373][ T6055] ? __dev_queue_xmit+0x124f/0x36b0 [ 162.365835][ T6055] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.371033][ T6055] ? ref_tracker_free+0x690/0x840 [ 162.376127][ T6055] netlink_rcv_skb+0x241/0x4d0 [ 162.380961][ T6055] ? rtnetlink_bind+0x80/0x80 [ 162.385736][ T6055] ? netlink_ack+0x1180/0x1180 [ 162.390712][ T6055] ? __lock_acquire+0x7d40/0x7d40 [ 162.395895][ T6055] ? netlink_deliver_tap+0x2e/0x1b0 [ 162.401180][ T6055] netlink_unicast+0x751/0x8d0 [ 162.406026][ T6055] netlink_sendmsg+0x8d0/0xbf0 [ 162.410880][ T6055] ? netlink_getsockopt+0x590/0x590 [ 162.416148][ T6055] ? aa_sock_msg_perm+0x94/0x150 [ 162.421152][ T6055] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 162.426511][ T6055] ? security_socket_sendmsg+0x80/0xa0 [ 162.432038][ T6055] ? netlink_getsockopt+0x590/0x590 [ 162.437346][ T6055] ____sys_sendmsg+0x5ba/0x960 [ 162.442204][ T6055] ? __asan_memset+0x22/0x40 [ 162.446871][ T6055] ? __sys_sendmsg_sock+0x30/0x30 [ 162.451974][ T6055] ? __import_iovec+0x5f2/0x850 [ 162.456914][ T6055] ? import_iovec+0x73/0xa0 [ 162.461622][ T6055] ___sys_sendmsg+0x2a6/0x360 [ 162.466579][ T6055] ? get_pid_task+0x20/0x1e0 [ 162.471241][ T6055] ? __sys_sendmsg+0x2a0/0x2a0 [ 162.476118][ T6055] ? file_end_write+0x250/0x250 [ 162.481049][ T6055] __se_sys_sendmsg+0x1c2/0x2b0 [ 162.485983][ T6055] ? __x64_sys_sendmsg+0x80/0x80 [ 162.491018][ T6055] ? lockdep_hardirqs_on+0x98/0x150 [ 162.496484][ T6055] do_syscall_64+0x55/0xa0 [ 162.500973][ T6055] ? clear_bhb_loop+0x40/0x90 [ 162.505967][ T6055] ? clear_bhb_loop+0x40/0x90 [ 162.510881][ T6055] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 162.516831][ T6055] RIP: 0033:0x7f855ad9acb9 [ 162.521298][ T6055] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 162.540969][ T6055] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.549454][ T6055] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 162.557572][ T6055] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 162.565604][ T6055] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 162.573629][ T6055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 162.582135][ T6055] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 162.590189][ T6055] [ 162.607769][ T6056] FAULT_INJECTION: forcing a failure. [ 162.607769][ T6056] name failslab, interval 1, probability 0, space 0, times 0 [ 162.643890][ T6056] CPU: 1 PID: 6056 Comm: syz.2.71 Not tainted syzkaller #0 [ 162.651199][ T6056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 162.661364][ T6056] Call Trace: [ 162.664688][ T6056] [ 162.667659][ T6056] dump_stack_lvl+0x18c/0x250 [ 162.672513][ T6056] ? show_regs_print_info+0x20/0x20 [ 162.677773][ T6056] ? load_image+0x400/0x400 [ 162.682351][ T6056] should_fail_ex+0x39d/0x4d0 [ 162.687096][ T6056] should_failslab+0x9/0x20 [ 162.691668][ T6056] slab_pre_alloc_hook+0x59/0x310 [ 162.696793][ T6056] kmem_cache_alloc_node+0x60/0x320 [ 162.702140][ T6056] ? __alloc_skb+0x103/0x2c0 [ 162.706802][ T6056] __alloc_skb+0x103/0x2c0 [ 162.711291][ T6056] rtnl_bridge_notify+0xa1/0x250 [ 162.716291][ T6056] rtnl_bridge_setlink+0x697/0x7d0 [ 162.721465][ T6056] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 162.726810][ T6056] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 162.731962][ T6056] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 162.737113][ T6056] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 162.742429][ T6056] rtnetlink_rcv_msg+0x869/0xfa0 [ 162.747404][ T6056] ? lockdep_hardirqs_on+0x98/0x150 [ 162.752637][ T6056] ? rtnetlink_bind+0x80/0x80 [ 162.757340][ T6056] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 162.763357][ T6056] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.768513][ T6056] ? lock_chain_count+0x20/0x20 [ 162.773404][ T6056] ? __local_bh_enable_ip+0x13a/0x1c0 [ 162.778802][ T6056] ? lockdep_hardirqs_on+0x98/0x150 [ 162.784032][ T6056] ? __local_bh_enable_ip+0x13a/0x1c0 [ 162.789430][ T6056] ? _local_bh_enable+0xa0/0xa0 [ 162.794485][ T6056] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.799630][ T6056] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.804776][ T6056] ? __dev_queue_xmit+0x124f/0x36b0 [ 162.810016][ T6056] ? __dev_queue_xmit+0x26b/0x36b0 [ 162.815187][ T6056] ? ref_tracker_free+0x690/0x840 [ 162.820261][ T6056] netlink_rcv_skb+0x241/0x4d0 [ 162.825063][ T6056] ? rtnetlink_bind+0x80/0x80 [ 162.829780][ T6056] ? netlink_ack+0x1180/0x1180 [ 162.834601][ T6056] ? __lock_acquire+0x7d40/0x7d40 [ 162.839660][ T6056] ? netlink_deliver_tap+0x2e/0x1b0 [ 162.844981][ T6056] netlink_unicast+0x751/0x8d0 [ 162.849799][ T6056] netlink_sendmsg+0x8d0/0xbf0 [ 162.854685][ T6056] ? netlink_getsockopt+0x590/0x590 [ 162.859954][ T6056] ? aa_sock_msg_perm+0x94/0x150 [ 162.864961][ T6056] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 162.870312][ T6056] ? security_socket_sendmsg+0x80/0xa0 [ 162.875814][ T6056] ? netlink_getsockopt+0x590/0x590 [ 162.881063][ T6056] ____sys_sendmsg+0x5ba/0x960 [ 162.885876][ T6056] ? __asan_memset+0x22/0x40 [ 162.890501][ T6056] ? __sys_sendmsg_sock+0x30/0x30 [ 162.895564][ T6056] ? __import_iovec+0x5f2/0x850 [ 162.900462][ T6056] ? import_iovec+0x73/0xa0 [ 162.905004][ T6056] ___sys_sendmsg+0x2a6/0x360 [ 162.909724][ T6056] ? get_pid_task+0x20/0x1e0 [ 162.914358][ T6056] ? __sys_sendmsg+0x2a0/0x2a0 [ 162.919278][ T6056] ? file_end_write+0x250/0x250 [ 162.924190][ T6056] __se_sys_sendmsg+0x1c2/0x2b0 [ 162.929087][ T6056] ? __x64_sys_sendmsg+0x80/0x80 [ 162.934071][ T6056] ? lockdep_hardirqs_on+0x98/0x150 [ 162.939316][ T6056] do_syscall_64+0x55/0xa0 [ 162.943810][ T6056] ? clear_bhb_loop+0x40/0x90 [ 162.948523][ T6056] ? clear_bhb_loop+0x40/0x90 [ 162.953326][ T6056] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 162.959246][ T6056] RIP: 0033:0x7f5095f9acb9 [ 162.963685][ T6056] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 162.983529][ T6056] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2026/01/22 00:33:27 executed programs: 64 [ 162.992150][ T6056] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 163.000157][ T6056] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 163.008165][ T6056] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 163.016169][ T6056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 163.024226][ T6056] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 163.032258][ T6056] [ 163.081174][ T6057] FAULT_INJECTION: forcing a failure. [ 163.081174][ T6057] name failslab, interval 1, probability 0, space 0, times 0 [ 163.095025][ T6057] CPU: 0 PID: 6057 Comm: syz.3.72 Not tainted syzkaller #0 [ 163.102291][ T6057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 163.112415][ T6057] Call Trace: [ 163.115742][ T6057] [ 163.118721][ T6057] dump_stack_lvl+0x18c/0x250 [ 163.123567][ T6057] ? show_regs_print_info+0x20/0x20 [ 163.128828][ T6057] ? load_image+0x400/0x400 [ 163.133403][ T6057] should_fail_ex+0x39d/0x4d0 [ 163.138150][ T6057] should_failslab+0x9/0x20 [ 163.142709][ T6057] slab_pre_alloc_hook+0x59/0x310 [ 163.147893][ T6057] kmem_cache_alloc_node+0x60/0x320 [ 163.154032][ T6057] ? __alloc_skb+0x103/0x2c0 [ 163.158701][ T6057] __alloc_skb+0x103/0x2c0 [ 163.163186][ T6057] rtnl_bridge_notify+0xa1/0x250 [ 163.168174][ T6057] rtnl_bridge_setlink+0x697/0x7d0 [ 163.173336][ T6057] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 163.178765][ T6057] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 163.183934][ T6057] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 163.189099][ T6057] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 163.194438][ T6057] rtnetlink_rcv_msg+0x869/0xfa0 [ 163.199438][ T6057] ? lockdep_hardirqs_on+0x98/0x150 [ 163.204694][ T6057] ? rtnetlink_bind+0x80/0x80 [ 163.209435][ T6057] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 163.215662][ T6057] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.220813][ T6057] ? lock_chain_count+0x20/0x20 [ 163.225956][ T6057] ? __local_bh_enable_ip+0x13a/0x1c0 [ 163.231357][ T6057] ? lockdep_hardirqs_on+0x98/0x150 [ 163.236591][ T6057] ? __local_bh_enable_ip+0x13a/0x1c0 [ 163.241987][ T6057] ? _local_bh_enable+0xa0/0xa0 [ 163.246911][ T6057] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.252215][ T6057] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.257447][ T6057] ? __dev_queue_xmit+0x124f/0x36b0 [ 163.262702][ T6057] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.267860][ T6057] ? ref_tracker_free+0x690/0x840 [ 163.273011][ T6057] netlink_rcv_skb+0x241/0x4d0 [ 163.277810][ T6057] ? rtnetlink_bind+0x80/0x80 [ 163.282518][ T6057] ? netlink_ack+0x1180/0x1180 [ 163.287347][ T6057] ? __lock_acquire+0x7d40/0x7d40 [ 163.292413][ T6057] ? netlink_deliver_tap+0x2e/0x1b0 [ 163.297662][ T6057] netlink_unicast+0x751/0x8d0 [ 163.302491][ T6057] netlink_sendmsg+0x8d0/0xbf0 [ 163.307338][ T6057] ? netlink_getsockopt+0x590/0x590 [ 163.312628][ T6057] ? aa_sock_msg_perm+0x94/0x150 [ 163.317618][ T6057] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 163.322984][ T6057] ? security_socket_sendmsg+0x80/0xa0 [ 163.328502][ T6057] ? netlink_getsockopt+0x590/0x590 [ 163.333830][ T6057] ____sys_sendmsg+0x5ba/0x960 [ 163.338641][ T6057] ? __asan_memset+0x22/0x40 [ 163.343268][ T6057] ? __sys_sendmsg_sock+0x30/0x30 [ 163.348423][ T6057] ? __import_iovec+0x5f2/0x850 [ 163.353319][ T6057] ? import_iovec+0x73/0xa0 [ 163.358037][ T6057] ___sys_sendmsg+0x2a6/0x360 [ 163.362755][ T6057] ? get_pid_task+0x20/0x1e0 [ 163.367380][ T6057] ? __sys_sendmsg+0x2a0/0x2a0 [ 163.372202][ T6057] ? file_end_write+0x250/0x250 [ 163.377092][ T6057] __se_sys_sendmsg+0x1c2/0x2b0 [ 163.381985][ T6057] ? __x64_sys_sendmsg+0x80/0x80 [ 163.386970][ T6057] ? lockdep_hardirqs_on+0x98/0x150 [ 163.392202][ T6057] do_syscall_64+0x55/0xa0 [ 163.396835][ T6057] ? clear_bhb_loop+0x40/0x90 [ 163.401534][ T6057] ? clear_bhb_loop+0x40/0x90 [ 163.406245][ T6057] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 163.412257][ T6057] RIP: 0033:0x7f08d019acb9 [ 163.416714][ T6057] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 163.436354][ T6057] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.444932][ T6057] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 163.452945][ T6057] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 163.460947][ T6057] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 163.468942][ T6057] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 163.476936][ T6057] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 163.485585][ T6057] [ 163.522382][ T6058] FAULT_INJECTION: forcing a failure. [ 163.522382][ T6058] name failslab, interval 1, probability 0, space 0, times 0 [ 163.536499][ T6058] CPU: 1 PID: 6058 Comm: syz.1.73 Not tainted syzkaller #0 [ 163.543877][ T6058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 163.553972][ T6058] Call Trace: [ 163.557283][ T6058] [ 163.560330][ T6058] dump_stack_lvl+0x18c/0x250 [ 163.565050][ T6058] ? show_regs_print_info+0x20/0x20 [ 163.570285][ T6058] ? load_image+0x400/0x400 [ 163.574841][ T6058] should_fail_ex+0x39d/0x4d0 [ 163.579564][ T6058] should_failslab+0x9/0x20 [ 163.584192][ T6058] slab_pre_alloc_hook+0x59/0x310 [ 163.589257][ T6058] kmem_cache_alloc_node+0x60/0x320 [ 163.594530][ T6058] ? __alloc_skb+0x103/0x2c0 [ 163.599265][ T6058] __alloc_skb+0x103/0x2c0 [ 163.603734][ T6058] rtnl_bridge_notify+0xa1/0x250 [ 163.608705][ T6058] rtnl_bridge_setlink+0x697/0x7d0 [ 163.613854][ T6058] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 163.619167][ T6058] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 163.624303][ T6058] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 163.629443][ T6058] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 163.634784][ T6058] rtnetlink_rcv_msg+0x869/0xfa0 [ 163.639783][ T6058] ? lockdep_hardirqs_on+0x98/0x150 [ 163.645021][ T6058] ? rtnetlink_bind+0x80/0x80 [ 163.649743][ T6058] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 163.655767][ T6058] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.660912][ T6058] ? lock_chain_count+0x20/0x20 [ 163.665794][ T6058] ? __local_bh_enable_ip+0x13a/0x1c0 [ 163.671200][ T6058] ? lockdep_hardirqs_on+0x98/0x150 [ 163.676426][ T6058] ? __local_bh_enable_ip+0x13a/0x1c0 [ 163.681836][ T6058] ? _local_bh_enable+0xa0/0xa0 [ 163.686715][ T6058] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.691856][ T6058] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.696993][ T6058] ? __dev_queue_xmit+0x124f/0x36b0 [ 163.702400][ T6058] ? __dev_queue_xmit+0x26b/0x36b0 [ 163.707555][ T6058] ? ref_tracker_free+0x690/0x840 [ 163.712715][ T6058] netlink_rcv_skb+0x241/0x4d0 [ 163.717521][ T6058] ? rtnetlink_bind+0x80/0x80 [ 163.722229][ T6058] ? netlink_ack+0x1180/0x1180 [ 163.727126][ T6058] ? __lock_acquire+0x7d40/0x7d40 [ 163.732195][ T6058] ? netlink_deliver_tap+0x2e/0x1b0 [ 163.737522][ T6058] netlink_unicast+0x751/0x8d0 [ 163.742333][ T6058] netlink_sendmsg+0x8d0/0xbf0 [ 163.747142][ T6058] ? netlink_getsockopt+0x590/0x590 [ 163.752380][ T6058] ? aa_sock_msg_perm+0x94/0x150 [ 163.757440][ T6058] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 163.762847][ T6058] ? security_socket_sendmsg+0x80/0xa0 [ 163.768338][ T6058] ? netlink_getsockopt+0x590/0x590 [ 163.773578][ T6058] ____sys_sendmsg+0x5ba/0x960 [ 163.778389][ T6058] ? __asan_memset+0x22/0x40 [ 163.783103][ T6058] ? __sys_sendmsg_sock+0x30/0x30 [ 163.788267][ T6058] ? __import_iovec+0x5f2/0x850 [ 163.793202][ T6058] ? import_iovec+0x73/0xa0 [ 163.797762][ T6058] ___sys_sendmsg+0x2a6/0x360 [ 163.802484][ T6058] ? raw_spin_rq_unlock_irq+0xc/0x90 [ 163.807832][ T6058] ? __sys_sendmsg+0x2a0/0x2a0 [ 163.812643][ T6058] ? raw_spin_rq_unlock_irq+0x11/0x90 [ 163.818088][ T6058] __se_sys_sendmsg+0x1c2/0x2b0 [ 163.822985][ T6058] ? __x64_sys_sendmsg+0x80/0x80 [ 163.828011][ T6058] ? lockdep_hardirqs_on+0x98/0x150 [ 163.833247][ T6058] do_syscall_64+0x55/0xa0 [ 163.837721][ T6058] ? clear_bhb_loop+0x40/0x90 [ 163.842432][ T6058] ? clear_bhb_loop+0x40/0x90 [ 163.847142][ T6058] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 163.853089][ T6058] RIP: 0033:0x7fd627b9acb9 [ 163.857547][ T6058] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 163.877206][ T6058] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.885688][ T6058] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 163.893694][ T6058] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 163.901701][ T6058] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 163.909698][ T6058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 163.917698][ T6058] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 163.925804][ T6058] [ 163.948281][ T6059] FAULT_INJECTION: forcing a failure. [ 163.948281][ T6059] name failslab, interval 1, probability 0, space 0, times 0 [ 163.967579][ T6059] CPU: 1 PID: 6059 Comm: syz.0.74 Not tainted syzkaller #0 [ 163.974877][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 163.985003][ T6059] Call Trace: [ 163.988336][ T6059] [ 163.991320][ T6059] dump_stack_lvl+0x18c/0x250 [ 163.996151][ T6059] ? show_regs_print_info+0x20/0x20 [ 164.001515][ T6059] ? load_image+0x400/0x400 [ 164.006087][ T6059] should_fail_ex+0x39d/0x4d0 [ 164.010841][ T6059] should_failslab+0x9/0x20 [ 164.015404][ T6059] slab_pre_alloc_hook+0x59/0x310 [ 164.020498][ T6059] kmem_cache_alloc_node+0x60/0x320 [ 164.025754][ T6059] ? __alloc_skb+0x103/0x2c0 [ 164.030389][ T6059] __alloc_skb+0x103/0x2c0 [ 164.034875][ T6059] rtnl_bridge_notify+0xa1/0x250 [ 164.039873][ T6059] rtnl_bridge_setlink+0x697/0x7d0 [ 164.045057][ T6059] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.050405][ T6059] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.055581][ T6059] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.060750][ T6059] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.066082][ T6059] rtnetlink_rcv_msg+0x869/0xfa0 [ 164.071084][ T6059] ? lockdep_hardirqs_on+0x98/0x150 [ 164.076340][ T6059] ? rtnetlink_bind+0x80/0x80 [ 164.081072][ T6059] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 164.087110][ T6059] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.092300][ T6059] ? lock_chain_count+0x20/0x20 [ 164.097220][ T6059] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.102655][ T6059] ? lockdep_hardirqs_on+0x98/0x150 [ 164.107911][ T6059] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.113329][ T6059] ? _local_bh_enable+0xa0/0xa0 [ 164.118243][ T6059] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.123419][ T6059] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.128600][ T6059] ? __dev_queue_xmit+0x124f/0x36b0 [ 164.133853][ T6059] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.139036][ T6059] ? ref_tracker_free+0x690/0x840 [ 164.144128][ T6059] netlink_rcv_skb+0x241/0x4d0 [ 164.148948][ T6059] ? rtnetlink_bind+0x80/0x80 [ 164.153674][ T6059] ? netlink_ack+0x1180/0x1180 [ 164.158511][ T6059] ? __lock_acquire+0x7d40/0x7d40 [ 164.163600][ T6059] ? netlink_deliver_tap+0x2e/0x1b0 [ 164.168907][ T6059] netlink_unicast+0x751/0x8d0 [ 164.173745][ T6059] netlink_sendmsg+0x8d0/0xbf0 [ 164.178585][ T6059] ? netlink_getsockopt+0x590/0x590 [ 164.183855][ T6059] ? aa_sock_msg_perm+0x94/0x150 [ 164.188937][ T6059] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 164.194367][ T6059] ? security_socket_sendmsg+0x80/0xa0 [ 164.199880][ T6059] ? netlink_getsockopt+0x590/0x590 [ 164.205141][ T6059] ____sys_sendmsg+0x5ba/0x960 [ 164.209976][ T6059] ? __asan_memset+0x22/0x40 [ 164.214614][ T6059] ? __sys_sendmsg_sock+0x30/0x30 [ 164.219904][ T6059] ? __import_iovec+0x5f2/0x850 [ 164.224833][ T6059] ? import_iovec+0x73/0xa0 [ 164.229497][ T6059] ___sys_sendmsg+0x2a6/0x360 [ 164.234241][ T6059] ? get_pid_task+0x20/0x1e0 [ 164.238912][ T6059] ? __sys_sendmsg+0x2a0/0x2a0 [ 164.243776][ T6059] ? file_end_write+0x250/0x250 [ 164.248693][ T6059] __se_sys_sendmsg+0x1c2/0x2b0 [ 164.253597][ T6059] ? __x64_sys_sendmsg+0x80/0x80 [ 164.258602][ T6059] ? lockdep_hardirqs_on+0x98/0x150 [ 164.263849][ T6059] do_syscall_64+0x55/0xa0 [ 164.268411][ T6059] ? clear_bhb_loop+0x40/0x90 [ 164.273138][ T6059] ? clear_bhb_loop+0x40/0x90 [ 164.277864][ T6059] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 164.283803][ T6059] RIP: 0033:0x7f855ad9acb9 [ 164.288264][ T6059] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 164.308010][ T6059] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.316578][ T6059] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 164.324614][ T6059] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 164.332721][ T6059] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 164.340749][ T6059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 164.348779][ T6059] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 164.356829][ T6059] [ 164.373568][ T6060] FAULT_INJECTION: forcing a failure. [ 164.373568][ T6060] name failslab, interval 1, probability 0, space 0, times 0 [ 164.390283][ T6060] CPU: 1 PID: 6060 Comm: syz.2.75 Not tainted syzkaller #0 [ 164.397543][ T6060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 164.407657][ T6060] Call Trace: [ 164.410966][ T6060] [ 164.413931][ T6060] dump_stack_lvl+0x18c/0x250 [ 164.418649][ T6060] ? show_regs_print_info+0x20/0x20 [ 164.423884][ T6060] ? load_image+0x400/0x400 [ 164.428437][ T6060] should_fail_ex+0x39d/0x4d0 [ 164.433187][ T6060] should_failslab+0x9/0x20 [ 164.437725][ T6060] slab_pre_alloc_hook+0x59/0x310 [ 164.442817][ T6060] kmem_cache_alloc_node+0x60/0x320 [ 164.448059][ T6060] ? __alloc_skb+0x103/0x2c0 [ 164.452696][ T6060] __alloc_skb+0x103/0x2c0 [ 164.457172][ T6060] rtnl_bridge_notify+0xa1/0x250 [ 164.462175][ T6060] rtnl_bridge_setlink+0x697/0x7d0 [ 164.467333][ T6060] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.472660][ T6060] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.477799][ T6060] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.482937][ T6060] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.488247][ T6060] rtnetlink_rcv_msg+0x869/0xfa0 [ 164.493240][ T6060] ? lockdep_hardirqs_on+0x98/0x150 [ 164.498470][ T6060] ? rtnetlink_bind+0x80/0x80 [ 164.503183][ T6060] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 164.509240][ T6060] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.514384][ T6060] ? lock_chain_count+0x20/0x20 [ 164.519270][ T6060] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.524679][ T6060] ? lockdep_hardirqs_on+0x98/0x150 [ 164.529918][ T6060] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.535331][ T6060] ? _local_bh_enable+0xa0/0xa0 [ 164.540251][ T6060] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.545401][ T6060] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.550556][ T6060] ? __dev_queue_xmit+0x124f/0x36b0 [ 164.555797][ T6060] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.560967][ T6060] ? ref_tracker_free+0x690/0x840 [ 164.566034][ T6060] netlink_rcv_skb+0x241/0x4d0 [ 164.570837][ T6060] ? rtnetlink_bind+0x80/0x80 [ 164.575542][ T6060] ? netlink_ack+0x1180/0x1180 [ 164.580529][ T6060] ? __lock_acquire+0x7d40/0x7d40 [ 164.585596][ T6060] ? netlink_deliver_tap+0x2e/0x1b0 [ 164.590838][ T6060] netlink_unicast+0x751/0x8d0 [ 164.595643][ T6060] netlink_sendmsg+0x8d0/0xbf0 [ 164.600448][ T6060] ? netlink_getsockopt+0x590/0x590 [ 164.605682][ T6060] ? aa_sock_msg_perm+0x94/0x150 [ 164.610655][ T6060] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 164.615972][ T6060] ? security_socket_sendmsg+0x80/0xa0 [ 164.621457][ T6060] ? netlink_getsockopt+0x590/0x590 [ 164.626708][ T6060] ____sys_sendmsg+0x5ba/0x960 [ 164.631510][ T6060] ? __asan_memset+0x22/0x40 [ 164.636163][ T6060] ? __sys_sendmsg_sock+0x30/0x30 [ 164.641236][ T6060] ? __import_iovec+0x5f2/0x850 [ 164.646154][ T6060] ? import_iovec+0x73/0xa0 [ 164.650719][ T6060] ___sys_sendmsg+0x2a6/0x360 [ 164.655462][ T6060] ? get_pid_task+0x20/0x1e0 [ 164.660095][ T6060] ? __sys_sendmsg+0x2a0/0x2a0 [ 164.665014][ T6060] ? file_end_write+0x250/0x250 [ 164.669909][ T6060] __se_sys_sendmsg+0x1c2/0x2b0 [ 164.674805][ T6060] ? __x64_sys_sendmsg+0x80/0x80 [ 164.679793][ T6060] ? lockdep_hardirqs_on+0x98/0x150 [ 164.685028][ T6060] do_syscall_64+0x55/0xa0 [ 164.689480][ T6060] ? clear_bhb_loop+0x40/0x90 [ 164.694193][ T6060] ? clear_bhb_loop+0x40/0x90 [ 164.698904][ T6060] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 164.704834][ T6060] RIP: 0033:0x7f5095f9acb9 [ 164.709285][ T6060] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 164.728949][ T6060] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.737412][ T6060] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 164.745442][ T6060] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 164.753448][ T6060] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 164.761467][ T6060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 164.769564][ T6060] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 164.777584][ T6060] [ 164.816233][ T6061] FAULT_INJECTION: forcing a failure. [ 164.816233][ T6061] name failslab, interval 1, probability 0, space 0, times 0 [ 164.836159][ T6061] CPU: 0 PID: 6061 Comm: syz.1.76 Not tainted syzkaller #0 [ 164.843509][ T6061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 164.853856][ T6061] Call Trace: [ 164.857170][ T6061] [ 164.860170][ T6061] dump_stack_lvl+0x18c/0x250 [ 164.864986][ T6061] ? show_regs_print_info+0x20/0x20 [ 164.870211][ T6061] ? load_image+0x400/0x400 [ 164.874758][ T6061] should_fail_ex+0x39d/0x4d0 [ 164.879637][ T6061] should_failslab+0x9/0x20 [ 164.884188][ T6061] slab_pre_alloc_hook+0x59/0x310 [ 164.889267][ T6061] kmem_cache_alloc_node+0x60/0x320 [ 164.894527][ T6061] ? __alloc_skb+0x103/0x2c0 [ 164.899183][ T6061] __alloc_skb+0x103/0x2c0 [ 164.903661][ T6061] rtnl_bridge_notify+0xa1/0x250 [ 164.908653][ T6061] rtnl_bridge_setlink+0x697/0x7d0 [ 164.913906][ T6061] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.919240][ T6061] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.924420][ T6061] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 164.929669][ T6061] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 164.934995][ T6061] rtnetlink_rcv_msg+0x869/0xfa0 [ 164.939972][ T6061] ? lockdep_hardirqs_on+0x98/0x150 [ 164.945209][ T6061] ? rtnetlink_bind+0x80/0x80 [ 164.950093][ T6061] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 164.956154][ T6061] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.961335][ T6061] ? lock_chain_count+0x20/0x20 [ 164.966248][ T6061] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.971746][ T6061] ? lockdep_hardirqs_on+0x98/0x150 [ 164.976971][ T6061] ? __local_bh_enable_ip+0x13a/0x1c0 [ 164.982398][ T6061] ? _local_bh_enable+0xa0/0xa0 [ 164.987288][ T6061] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.992431][ T6061] ? __dev_queue_xmit+0x26b/0x36b0 [ 164.997592][ T6061] ? __dev_queue_xmit+0x124f/0x36b0 [ 165.002831][ T6061] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.007992][ T6061] ? ref_tracker_free+0x690/0x840 [ 165.013048][ T6061] netlink_rcv_skb+0x241/0x4d0 [ 165.017841][ T6061] ? rtnetlink_bind+0x80/0x80 [ 165.022551][ T6061] ? netlink_ack+0x1180/0x1180 [ 165.027363][ T6061] ? __lock_acquire+0x7d40/0x7d40 [ 165.032434][ T6061] ? netlink_deliver_tap+0x2e/0x1b0 [ 165.037671][ T6061] netlink_unicast+0x751/0x8d0 [ 165.042480][ T6061] netlink_sendmsg+0x8d0/0xbf0 [ 165.047381][ T6061] ? netlink_getsockopt+0x590/0x590 [ 165.052620][ T6061] ? aa_sock_msg_perm+0x94/0x150 [ 165.057589][ T6061] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 165.062910][ T6061] ? security_socket_sendmsg+0x80/0xa0 [ 165.068410][ T6061] ? netlink_getsockopt+0x590/0x590 [ 165.073672][ T6061] ____sys_sendmsg+0x5ba/0x960 [ 165.078500][ T6061] ? __asan_memset+0x22/0x40 [ 165.083131][ T6061] ? __sys_sendmsg_sock+0x30/0x30 [ 165.088189][ T6061] ? __import_iovec+0x5f2/0x850 [ 165.093138][ T6061] ? import_iovec+0x73/0xa0 [ 165.097863][ T6061] ___sys_sendmsg+0x2a6/0x360 [ 165.102582][ T6061] ? get_pid_task+0x20/0x1e0 [ 165.107234][ T6061] ? __sys_sendmsg+0x2a0/0x2a0 [ 165.112185][ T6061] ? file_end_write+0x250/0x250 [ 165.117086][ T6061] __se_sys_sendmsg+0x1c2/0x2b0 [ 165.121979][ T6061] ? __x64_sys_sendmsg+0x80/0x80 [ 165.126968][ T6061] ? lockdep_hardirqs_on+0x98/0x150 [ 165.132215][ T6061] do_syscall_64+0x55/0xa0 [ 165.136693][ T6061] ? clear_bhb_loop+0x40/0x90 [ 165.141419][ T6061] ? clear_bhb_loop+0x40/0x90 [ 165.146145][ T6061] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 165.152202][ T6061] RIP: 0033:0x7fd627b9acb9 [ 165.156661][ T6061] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 165.176319][ T6061] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.184787][ T6061] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 165.192788][ T6061] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 165.200800][ T6061] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 165.208827][ T6061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 165.216822][ T6061] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 165.224837][ T6061] [ 165.236330][ T6063] FAULT_INJECTION: forcing a failure. [ 165.236330][ T6063] name failslab, interval 1, probability 0, space 0, times 0 [ 165.255885][ T6063] CPU: 1 PID: 6063 Comm: syz.0.78 Not tainted syzkaller #0 [ 165.263265][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 165.273375][ T6063] Call Trace: [ 165.276738][ T6063] [ 165.279719][ T6063] dump_stack_lvl+0x18c/0x250 [ 165.284459][ T6063] ? show_regs_print_info+0x20/0x20 [ 165.289722][ T6063] ? load_image+0x400/0x400 [ 165.294291][ T6063] should_fail_ex+0x39d/0x4d0 [ 165.299051][ T6063] should_failslab+0x9/0x20 [ 165.303610][ T6063] slab_pre_alloc_hook+0x59/0x310 [ 165.308698][ T6063] kmem_cache_alloc_node+0x60/0x320 [ 165.314038][ T6063] ? __alloc_skb+0x103/0x2c0 [ 165.318805][ T6063] __alloc_skb+0x103/0x2c0 [ 165.323296][ T6063] rtnl_bridge_notify+0xa1/0x250 [ 165.328322][ T6063] rtnl_bridge_setlink+0x697/0x7d0 [ 165.333499][ T6063] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 165.338837][ T6063] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 165.343985][ T6063] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 165.349127][ T6063] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 165.354443][ T6063] rtnetlink_rcv_msg+0x869/0xfa0 [ 165.359430][ T6063] ? lockdep_hardirqs_on+0x98/0x150 [ 165.364706][ T6063] ? rtnetlink_bind+0x80/0x80 [ 165.369457][ T6063] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 165.375483][ T6063] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.380636][ T6063] ? lock_chain_count+0x20/0x20 [ 165.385523][ T6063] ? __local_bh_enable_ip+0x13a/0x1c0 [ 165.390924][ T6063] ? lockdep_hardirqs_on+0x98/0x150 [ 165.396154][ T6063] ? __local_bh_enable_ip+0x13a/0x1c0 [ 165.401566][ T6063] ? _local_bh_enable+0xa0/0xa0 [ 165.406465][ T6063] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.411629][ T6063] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.416781][ T6063] ? __dev_queue_xmit+0x124f/0x36b0 [ 165.422007][ T6063] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.427164][ T6063] ? ref_tracker_free+0x690/0x840 [ 165.432233][ T6063] netlink_rcv_skb+0x241/0x4d0 [ 165.437114][ T6063] ? rtnetlink_bind+0x80/0x80 [ 165.441827][ T6063] ? netlink_ack+0x1180/0x1180 [ 165.446654][ T6063] ? __lock_acquire+0x7d40/0x7d40 [ 165.451720][ T6063] ? netlink_deliver_tap+0x2e/0x1b0 [ 165.456957][ T6063] netlink_unicast+0x751/0x8d0 [ 165.461762][ T6063] netlink_sendmsg+0x8d0/0xbf0 [ 165.466570][ T6063] ? netlink_getsockopt+0x590/0x590 [ 165.471810][ T6063] ? aa_sock_msg_perm+0x94/0x150 [ 165.476800][ T6063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 165.482118][ T6063] ? security_socket_sendmsg+0x80/0xa0 [ 165.487635][ T6063] ? netlink_getsockopt+0x590/0x590 [ 165.492867][ T6063] ____sys_sendmsg+0x5ba/0x960 [ 165.497679][ T6063] ? __asan_memset+0x22/0x40 [ 165.502308][ T6063] ? __sys_sendmsg_sock+0x30/0x30 [ 165.507455][ T6063] ? __import_iovec+0x5f2/0x850 [ 165.512347][ T6063] ? import_iovec+0x73/0xa0 [ 165.516930][ T6063] ___sys_sendmsg+0x2a6/0x360 [ 165.521641][ T6063] ? get_pid_task+0x20/0x1e0 [ 165.526467][ T6063] ? __sys_sendmsg+0x2a0/0x2a0 [ 165.531302][ T6063] ? file_end_write+0x250/0x250 [ 165.536196][ T6063] __se_sys_sendmsg+0x1c2/0x2b0 [ 165.541088][ T6063] ? __x64_sys_sendmsg+0x80/0x80 [ 165.546076][ T6063] ? lockdep_hardirqs_on+0x98/0x150 [ 165.551344][ T6063] do_syscall_64+0x55/0xa0 [ 165.555813][ T6063] ? clear_bhb_loop+0x40/0x90 [ 165.560533][ T6063] ? clear_bhb_loop+0x40/0x90 [ 165.565250][ T6063] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 165.571182][ T6063] RIP: 0033:0x7f855ad9acb9 [ 165.575627][ T6063] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 165.595443][ T6063] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.603892][ T6063] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 165.611898][ T6063] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 165.619894][ T6063] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 165.627896][ T6063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 165.635893][ T6063] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 165.643909][ T6063] [ 165.659630][ T6064] FAULT_INJECTION: forcing a failure. [ 165.659630][ T6064] name failslab, interval 1, probability 0, space 0, times 0 [ 165.711589][ T6064] CPU: 1 PID: 6064 Comm: syz.3.79 Not tainted syzkaller #0 [ 165.718882][ T6064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 165.728987][ T6064] Call Trace: [ 165.732314][ T6064] [ 165.735294][ T6064] dump_stack_lvl+0x18c/0x250 [ 165.740037][ T6064] ? show_regs_print_info+0x20/0x20 [ 165.745301][ T6064] ? load_image+0x400/0x400 [ 165.749870][ T6064] should_fail_ex+0x39d/0x4d0 [ 165.754613][ T6064] should_failslab+0x9/0x20 [ 165.759184][ T6064] slab_pre_alloc_hook+0x59/0x310 [ 165.764279][ T6064] kmem_cache_alloc_node+0x60/0x320 [ 165.769538][ T6064] ? __alloc_skb+0x103/0x2c0 [ 165.774195][ T6064] __alloc_skb+0x103/0x2c0 [ 165.778679][ T6064] rtnl_bridge_notify+0xa1/0x250 [ 165.783672][ T6064] rtnl_bridge_setlink+0x697/0x7d0 [ 165.788850][ T6064] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 165.794218][ T6064] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 165.799385][ T6064] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 165.804550][ T6064] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 165.809892][ T6064] rtnetlink_rcv_msg+0x869/0xfa0 [ 165.815038][ T6064] ? lockdep_hardirqs_on+0x98/0x150 [ 165.820294][ T6064] ? rtnetlink_bind+0x80/0x80 [ 165.825032][ T6064] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 165.831230][ T6064] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.836579][ T6064] ? lock_chain_count+0x20/0x20 [ 165.841497][ T6064] ? __local_bh_enable_ip+0x13a/0x1c0 [ 165.846959][ T6064] ? lockdep_hardirqs_on+0x98/0x150 [ 165.852319][ T6064] ? __local_bh_enable_ip+0x13a/0x1c0 [ 165.857759][ T6064] ? _local_bh_enable+0xa0/0xa0 [ 165.862695][ T6064] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.867881][ T6064] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.873059][ T6064] ? __dev_queue_xmit+0x124f/0x36b0 [ 165.878320][ T6064] ? __dev_queue_xmit+0x26b/0x36b0 [ 165.883514][ T6064] ? ref_tracker_free+0x690/0x840 [ 165.888618][ T6064] netlink_rcv_skb+0x241/0x4d0 [ 165.893452][ T6064] ? rtnetlink_bind+0x80/0x80 [ 165.898191][ T6064] ? netlink_ack+0x1180/0x1180 [ 165.903024][ T6064] ? __lock_acquire+0x7d40/0x7d40 [ 165.908125][ T6064] ? netlink_deliver_tap+0x2e/0x1b0 [ 165.913402][ T6064] netlink_unicast+0x751/0x8d0 [ 165.918321][ T6064] netlink_sendmsg+0x8d0/0xbf0 [ 165.923185][ T6064] ? netlink_getsockopt+0x590/0x590 [ 165.928466][ T6064] ? aa_sock_msg_perm+0x94/0x150 [ 165.933472][ T6064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 165.938816][ T6064] ? security_socket_sendmsg+0x80/0xa0 [ 165.944480][ T6064] ? netlink_getsockopt+0x590/0x590 [ 165.949726][ T6064] ____sys_sendmsg+0x5ba/0x960 [ 165.954530][ T6064] ? __asan_memset+0x22/0x40 [ 165.959171][ T6064] ? __sys_sendmsg_sock+0x30/0x30 [ 165.964372][ T6064] ? __import_iovec+0x5f2/0x850 [ 165.969495][ T6064] ? import_iovec+0x73/0xa0 [ 165.974054][ T6064] ___sys_sendmsg+0x2a6/0x360 [ 165.978789][ T6064] ? get_pid_task+0x20/0x1e0 [ 165.983524][ T6064] ? __sys_sendmsg+0x2a0/0x2a0 [ 165.988408][ T6064] ? file_end_write+0x250/0x250 [ 165.993305][ T6064] __se_sys_sendmsg+0x1c2/0x2b0 [ 165.998200][ T6064] ? __x64_sys_sendmsg+0x80/0x80 [ 166.003197][ T6064] ? lockdep_hardirqs_on+0x98/0x150 [ 166.008433][ T6064] do_syscall_64+0x55/0xa0 [ 166.012971][ T6064] ? clear_bhb_loop+0x40/0x90 [ 166.017677][ T6064] ? clear_bhb_loop+0x40/0x90 [ 166.022382][ T6064] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 166.028318][ T6064] RIP: 0033:0x7f08d019acb9 [ 166.032791][ T6064] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 166.052536][ T6064] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.061166][ T6064] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 166.069198][ T6064] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 166.077193][ T6064] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 166.085200][ T6064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 166.093232][ T6064] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 166.101251][ T6064] [ 166.119242][ T6066] FAULT_INJECTION: forcing a failure. [ 166.119242][ T6066] name failslab, interval 1, probability 0, space 0, times 0 [ 166.156469][ T6066] CPU: 0 PID: 6066 Comm: syz.2.80 Not tainted syzkaller #0 [ 166.164302][ T6066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 166.174425][ T6066] Call Trace: [ 166.177753][ T6066] [ 166.180733][ T6066] dump_stack_lvl+0x18c/0x250 [ 166.185484][ T6066] ? show_regs_print_info+0x20/0x20 [ 166.190754][ T6066] ? load_image+0x400/0x400 [ 166.195331][ T6066] should_fail_ex+0x39d/0x4d0 [ 166.200109][ T6066] should_failslab+0x9/0x20 [ 166.204701][ T6066] slab_pre_alloc_hook+0x59/0x310 [ 166.209805][ T6066] kmem_cache_alloc_node+0x60/0x320 [ 166.215114][ T6066] ? __alloc_skb+0x103/0x2c0 [ 166.219784][ T6066] __alloc_skb+0x103/0x2c0 [ 166.224360][ T6066] rtnl_bridge_notify+0xa1/0x250 [ 166.229497][ T6066] rtnl_bridge_setlink+0x697/0x7d0 [ 166.234688][ T6066] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 166.240041][ T6066] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 166.245223][ T6066] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 166.250474][ T6066] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 166.255810][ T6066] rtnetlink_rcv_msg+0x869/0xfa0 [ 166.260809][ T6066] ? lockdep_hardirqs_on+0x98/0x150 [ 166.266161][ T6066] ? rtnetlink_bind+0x80/0x80 [ 166.270918][ T6066] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 166.276971][ T6066] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.282158][ T6066] ? lock_chain_count+0x20/0x20 [ 166.287155][ T6066] ? __local_bh_enable_ip+0x13a/0x1c0 [ 166.292595][ T6066] ? lockdep_hardirqs_on+0x98/0x150 [ 166.297852][ T6066] ? __local_bh_enable_ip+0x13a/0x1c0 [ 166.303320][ T6066] ? _local_bh_enable+0xa0/0xa0 [ 166.308211][ T6066] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.313362][ T6066] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.318659][ T6066] ? __dev_queue_xmit+0x124f/0x36b0 [ 166.324097][ T6066] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.329687][ T6066] ? ref_tracker_free+0x690/0x840 [ 166.334867][ T6066] netlink_rcv_skb+0x241/0x4d0 [ 166.339683][ T6066] ? rtnetlink_bind+0x80/0x80 [ 166.344480][ T6066] ? netlink_ack+0x1180/0x1180 [ 166.349401][ T6066] ? __lock_acquire+0x7d40/0x7d40 [ 166.354465][ T6066] ? netlink_deliver_tap+0x2e/0x1b0 [ 166.359785][ T6066] netlink_unicast+0x751/0x8d0 [ 166.364582][ T6066] netlink_sendmsg+0x8d0/0xbf0 [ 166.369403][ T6066] ? netlink_getsockopt+0x590/0x590 [ 166.374674][ T6066] ? aa_sock_msg_perm+0x94/0x150 [ 166.379650][ T6066] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 166.385073][ T6066] ? security_socket_sendmsg+0x80/0xa0 [ 166.390578][ T6066] ? netlink_getsockopt+0x590/0x590 [ 166.395920][ T6066] ____sys_sendmsg+0x5ba/0x960 [ 166.400820][ T6066] ? __asan_memset+0x22/0x40 [ 166.405448][ T6066] ? __sys_sendmsg_sock+0x30/0x30 [ 166.410516][ T6066] ? __import_iovec+0x5f2/0x850 [ 166.415444][ T6066] ? import_iovec+0x73/0xa0 [ 166.420026][ T6066] ___sys_sendmsg+0x2a6/0x360 [ 166.424761][ T6066] ? get_pid_task+0x20/0x1e0 [ 166.429382][ T6066] ? __sys_sendmsg+0x2a0/0x2a0 [ 166.434192][ T6066] ? file_end_write+0x250/0x250 [ 166.439070][ T6066] __se_sys_sendmsg+0x1c2/0x2b0 [ 166.443947][ T6066] ? __x64_sys_sendmsg+0x80/0x80 [ 166.449068][ T6066] ? lockdep_hardirqs_on+0x98/0x150 [ 166.454336][ T6066] do_syscall_64+0x55/0xa0 [ 166.458793][ T6066] ? clear_bhb_loop+0x40/0x90 [ 166.463512][ T6066] ? clear_bhb_loop+0x40/0x90 [ 166.468264][ T6066] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 166.474212][ T6066] RIP: 0033:0x7f5095f9acb9 [ 166.478642][ T6066] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 166.498533][ T6066] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.506973][ T6066] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 166.514996][ T6066] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 166.523013][ T6066] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 166.531029][ T6066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 166.539021][ T6066] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 166.547043][ T6066] [ 166.574367][ T6067] FAULT_INJECTION: forcing a failure. [ 166.574367][ T6067] name failslab, interval 1, probability 0, space 0, times 0 [ 166.591232][ T6067] CPU: 0 PID: 6067 Comm: syz.1.82 Not tainted syzkaller #0 [ 166.598603][ T6067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 166.608713][ T6067] Call Trace: [ 166.612050][ T6067] [ 166.615035][ T6067] dump_stack_lvl+0x18c/0x250 [ 166.619794][ T6067] ? show_regs_print_info+0x20/0x20 [ 166.625067][ T6067] ? load_image+0x400/0x400 [ 166.629645][ T6067] should_fail_ex+0x39d/0x4d0 [ 166.634392][ T6067] should_failslab+0x9/0x20 [ 166.638967][ T6067] slab_pre_alloc_hook+0x59/0x310 [ 166.644152][ T6067] kmem_cache_alloc_node+0x60/0x320 [ 166.649721][ T6067] ? __alloc_skb+0x103/0x2c0 [ 166.654402][ T6067] __alloc_skb+0x103/0x2c0 [ 166.658893][ T6067] rtnl_bridge_notify+0xa1/0x250 [ 166.663895][ T6067] rtnl_bridge_setlink+0x697/0x7d0 [ 166.669080][ T6067] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 166.674429][ T6067] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 166.679694][ T6067] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 166.685108][ T6067] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 166.690467][ T6067] rtnetlink_rcv_msg+0x869/0xfa0 [ 166.695488][ T6067] ? lockdep_hardirqs_on+0x98/0x150 [ 166.700769][ T6067] ? rtnetlink_bind+0x80/0x80 [ 166.705519][ T6067] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 166.711553][ T6067] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.716730][ T6067] ? lock_chain_count+0x20/0x20 [ 166.721629][ T6067] ? __local_bh_enable_ip+0x13a/0x1c0 [ 166.727138][ T6067] ? lockdep_hardirqs_on+0x98/0x150 [ 166.732583][ T6067] ? __local_bh_enable_ip+0x13a/0x1c0 [ 166.738013][ T6067] ? _local_bh_enable+0xa0/0xa0 [ 166.743022][ T6067] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.748202][ T6067] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.753388][ T6067] ? __dev_queue_xmit+0x124f/0x36b0 [ 166.758636][ T6067] ? __dev_queue_xmit+0x26b/0x36b0 [ 166.764143][ T6067] ? ref_tracker_free+0x690/0x840 [ 166.769227][ T6067] netlink_rcv_skb+0x241/0x4d0 [ 166.774068][ T6067] ? rtnetlink_bind+0x80/0x80 [ 166.778788][ T6067] ? netlink_ack+0x1180/0x1180 [ 166.783597][ T6067] ? __lock_acquire+0x7d40/0x7d40 [ 166.788674][ T6067] ? netlink_deliver_tap+0x2e/0x1b0 [ 166.793962][ T6067] netlink_unicast+0x751/0x8d0 [ 166.798826][ T6067] netlink_sendmsg+0x8d0/0xbf0 [ 166.803653][ T6067] ? netlink_getsockopt+0x590/0x590 [ 166.809016][ T6067] ? aa_sock_msg_perm+0x94/0x150 [ 166.814070][ T6067] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 166.819474][ T6067] ? security_socket_sendmsg+0x80/0xa0 [ 166.824998][ T6067] ? netlink_getsockopt+0x590/0x590 [ 166.830251][ T6067] ____sys_sendmsg+0x5ba/0x960 [ 166.835060][ T6067] ? __asan_memset+0x22/0x40 [ 166.839688][ T6067] ? __sys_sendmsg_sock+0x30/0x30 [ 166.844752][ T6067] ? __import_iovec+0x5f2/0x850 [ 166.849644][ T6067] ? import_iovec+0x73/0xa0 [ 166.854186][ T6067] ___sys_sendmsg+0x2a6/0x360 [ 166.858917][ T6067] ? get_pid_task+0x20/0x1e0 [ 166.863739][ T6067] ? __sys_sendmsg+0x2a0/0x2a0 [ 166.868582][ T6067] ? file_end_write+0x250/0x250 [ 166.873487][ T6067] __se_sys_sendmsg+0x1c2/0x2b0 [ 166.878377][ T6067] ? __x64_sys_sendmsg+0x80/0x80 [ 166.883392][ T6067] ? lockdep_hardirqs_on+0x98/0x150 [ 166.888654][ T6067] do_syscall_64+0x55/0xa0 [ 166.893141][ T6067] ? clear_bhb_loop+0x40/0x90 [ 166.897864][ T6067] ? clear_bhb_loop+0x40/0x90 [ 166.902724][ T6067] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 166.908685][ T6067] RIP: 0033:0x7fd627b9acb9 [ 166.913166][ T6067] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 166.932809][ T6067] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.941259][ T6067] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 166.949344][ T6067] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 166.957343][ T6067] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 166.965424][ T6067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 166.973422][ T6067] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 166.981434][ T6067] [ 167.000223][ T6065] FAULT_INJECTION: forcing a failure. [ 167.000223][ T6065] name failslab, interval 1, probability 0, space 0, times 0 [ 167.015759][ T6065] CPU: 1 PID: 6065 Comm: syz.0.81 Not tainted syzkaller #0 [ 167.023037][ T6065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 167.033140][ T6065] Call Trace: [ 167.036566][ T6065] [ 167.039535][ T6065] dump_stack_lvl+0x18c/0x250 [ 167.044271][ T6065] ? show_regs_print_info+0x20/0x20 [ 167.049612][ T6065] ? load_image+0x400/0x400 [ 167.054179][ T6065] should_fail_ex+0x39d/0x4d0 [ 167.058906][ T6065] should_failslab+0x9/0x20 [ 167.063461][ T6065] slab_pre_alloc_hook+0x59/0x310 [ 167.068524][ T6065] kmem_cache_alloc_node+0x60/0x320 [ 167.073794][ T6065] ? __alloc_skb+0x103/0x2c0 [ 167.078657][ T6065] __alloc_skb+0x103/0x2c0 [ 167.083145][ T6065] rtnl_bridge_notify+0xa1/0x250 [ 167.088138][ T6065] rtnl_bridge_setlink+0x697/0x7d0 [ 167.093304][ T6065] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.098667][ T6065] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.103832][ T6065] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.109000][ T6065] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.114339][ T6065] rtnetlink_rcv_msg+0x869/0xfa0 [ 167.119327][ T6065] ? lockdep_hardirqs_on+0x98/0x150 [ 167.124567][ T6065] ? rtnetlink_bind+0x80/0x80 [ 167.129278][ T6065] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 167.135808][ T6065] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.140967][ T6065] ? lock_chain_count+0x20/0x20 [ 167.145858][ T6065] ? __local_bh_enable_ip+0x13a/0x1c0 [ 167.151256][ T6065] ? lockdep_hardirqs_on+0x98/0x150 [ 167.156492][ T6065] ? __local_bh_enable_ip+0x13a/0x1c0 [ 167.161899][ T6065] ? _local_bh_enable+0xa0/0xa0 [ 167.166785][ T6065] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.171956][ T6065] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.177130][ T6065] ? __dev_queue_xmit+0x124f/0x36b0 [ 167.182392][ T6065] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.187575][ T6065] ? ref_tracker_free+0x690/0x840 [ 167.192649][ T6065] netlink_rcv_skb+0x241/0x4d0 [ 167.197462][ T6065] ? rtnetlink_bind+0x80/0x80 [ 167.202171][ T6065] ? netlink_ack+0x1180/0x1180 [ 167.206977][ T6065] ? __lock_acquire+0x7d40/0x7d40 [ 167.212066][ T6065] ? netlink_deliver_tap+0x2e/0x1b0 [ 167.217333][ T6065] netlink_unicast+0x751/0x8d0 [ 167.222148][ T6065] netlink_sendmsg+0x8d0/0xbf0 [ 167.226956][ T6065] ? netlink_getsockopt+0x590/0x590 [ 167.232194][ T6065] ? aa_sock_msg_perm+0x94/0x150 [ 167.237174][ T6065] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 167.242490][ T6065] ? security_socket_sendmsg+0x80/0xa0 [ 167.247980][ T6065] ? netlink_getsockopt+0x590/0x590 [ 167.253226][ T6065] ____sys_sendmsg+0x5ba/0x960 [ 167.258033][ T6065] ? __asan_memset+0x22/0x40 [ 167.262763][ T6065] ? __sys_sendmsg_sock+0x30/0x30 [ 167.267827][ T6065] ? __import_iovec+0x5f2/0x850 [ 167.272724][ T6065] ? import_iovec+0x73/0xa0 [ 167.277357][ T6065] ___sys_sendmsg+0x2a6/0x360 [ 167.282077][ T6065] ? get_pid_task+0x20/0x1e0 [ 167.286708][ T6065] ? __sys_sendmsg+0x2a0/0x2a0 [ 167.291533][ T6065] ? file_end_write+0x250/0x250 [ 167.296429][ T6065] __se_sys_sendmsg+0x1c2/0x2b0 [ 167.301324][ T6065] ? __x64_sys_sendmsg+0x80/0x80 [ 167.306312][ T6065] ? lockdep_hardirqs_on+0x98/0x150 [ 167.311549][ T6065] do_syscall_64+0x55/0xa0 [ 167.316003][ T6065] ? clear_bhb_loop+0x40/0x90 [ 167.320807][ T6065] ? clear_bhb_loop+0x40/0x90 [ 167.325515][ T6065] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 167.331437][ T6065] RIP: 0033:0x7f855ad9acb9 [ 167.335880][ T6065] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 167.355520][ T6065] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.363972][ T6065] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 167.372001][ T6065] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 167.380016][ T6065] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 167.388036][ T6065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 167.396125][ T6065] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 167.404139][ T6065] [ 167.433206][ T6068] FAULT_INJECTION: forcing a failure. [ 167.433206][ T6068] name failslab, interval 1, probability 0, space 0, times 0 [ 167.447573][ T6068] CPU: 1 PID: 6068 Comm: syz.3.83 Not tainted syzkaller #0 [ 167.454849][ T6068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 167.464962][ T6068] Call Trace: [ 167.468285][ T6068] [ 167.471263][ T6068] dump_stack_lvl+0x18c/0x250 [ 167.476006][ T6068] ? show_regs_print_info+0x20/0x20 [ 167.481275][ T6068] ? load_image+0x400/0x400 [ 167.485839][ T6068] should_fail_ex+0x39d/0x4d0 [ 167.490583][ T6068] should_failslab+0x9/0x20 [ 167.495149][ T6068] slab_pre_alloc_hook+0x59/0x310 [ 167.500340][ T6068] kmem_cache_alloc_node+0x60/0x320 [ 167.505589][ T6068] ? __alloc_skb+0x103/0x2c0 [ 167.510400][ T6068] __alloc_skb+0x103/0x2c0 [ 167.514856][ T6068] rtnl_bridge_notify+0xa1/0x250 [ 167.519844][ T6068] rtnl_bridge_setlink+0x697/0x7d0 [ 167.525003][ T6068] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.530336][ T6068] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.535612][ T6068] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.540774][ T6068] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.546160][ T6068] rtnetlink_rcv_msg+0x869/0xfa0 [ 167.551228][ T6068] ? lockdep_hardirqs_on+0x98/0x150 [ 167.556471][ T6068] ? rtnetlink_bind+0x80/0x80 [ 167.561283][ T6068] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 167.567294][ T6068] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.572461][ T6068] ? lock_chain_count+0x20/0x20 [ 167.577345][ T6068] ? __local_bh_enable_ip+0x13a/0x1c0 [ 167.582753][ T6068] ? lockdep_hardirqs_on+0x98/0x150 [ 167.587980][ T6068] ? __local_bh_enable_ip+0x13a/0x1c0 [ 167.593377][ T6068] ? _local_bh_enable+0xa0/0xa0 [ 167.598388][ T6068] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.603559][ T6068] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.608699][ T6068] ? __dev_queue_xmit+0x124f/0x36b0 [ 167.613943][ T6068] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.619106][ T6068] ? ref_tracker_free+0x690/0x840 [ 167.624174][ T6068] netlink_rcv_skb+0x241/0x4d0 [ 167.628976][ T6068] ? rtnetlink_bind+0x80/0x80 [ 167.633687][ T6068] ? netlink_ack+0x1180/0x1180 [ 167.638530][ T6068] ? __lock_acquire+0x7d40/0x7d40 [ 167.643609][ T6068] ? netlink_deliver_tap+0x2e/0x1b0 [ 167.648936][ T6068] netlink_unicast+0x751/0x8d0 [ 167.653767][ T6068] netlink_sendmsg+0x8d0/0xbf0 [ 167.658603][ T6068] ? netlink_getsockopt+0x590/0x590 [ 167.663860][ T6068] ? aa_sock_msg_perm+0x94/0x150 [ 167.668841][ T6068] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 167.674194][ T6068] ? security_socket_sendmsg+0x80/0xa0 [ 167.679687][ T6068] ? netlink_getsockopt+0x590/0x590 [ 167.684930][ T6068] ____sys_sendmsg+0x5ba/0x960 [ 167.689738][ T6068] ? __asan_memset+0x22/0x40 [ 167.694369][ T6068] ? __sys_sendmsg_sock+0x30/0x30 [ 167.699516][ T6068] ? __import_iovec+0x5f2/0x850 [ 167.704508][ T6068] ? import_iovec+0x73/0xa0 [ 167.709048][ T6068] ___sys_sendmsg+0x2a6/0x360 [ 167.713763][ T6068] ? get_pid_task+0x20/0x1e0 [ 167.718414][ T6068] ? __sys_sendmsg+0x2a0/0x2a0 [ 167.723280][ T6068] ? file_end_write+0x250/0x250 [ 167.728215][ T6068] __se_sys_sendmsg+0x1c2/0x2b0 [ 167.733117][ T6068] ? __x64_sys_sendmsg+0x80/0x80 [ 167.738125][ T6068] ? lockdep_hardirqs_on+0x98/0x150 [ 167.743379][ T6068] do_syscall_64+0x55/0xa0 [ 167.747835][ T6068] ? clear_bhb_loop+0x40/0x90 [ 167.752570][ T6068] ? clear_bhb_loop+0x40/0x90 [ 167.757281][ T6068] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 167.763206][ T6068] RIP: 0033:0x7f08d019acb9 [ 167.767646][ T6068] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 167.787282][ T6068] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.795752][ T6068] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 167.803985][ T6068] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 167.812020][ T6068] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 167.820122][ T6068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 167.828650][ T6068] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 167.836662][ T6068] [ 167.854080][ T6069] FAULT_INJECTION: forcing a failure. [ 167.854080][ T6069] name failslab, interval 1, probability 0, space 0, times 0 [ 167.868080][ T6069] CPU: 0 PID: 6069 Comm: syz.2.84 Not tainted syzkaller #0 [ 167.875350][ T6069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 167.885452][ T6069] Call Trace: [ 167.888777][ T6069] [ 167.891739][ T6069] dump_stack_lvl+0x18c/0x250 [ 167.896546][ T6069] ? show_regs_print_info+0x20/0x20 [ 167.901776][ T6069] ? load_image+0x400/0x400 [ 167.906316][ T6069] should_fail_ex+0x39d/0x4d0 [ 167.911044][ T6069] should_failslab+0x9/0x20 [ 167.915587][ T6069] slab_pre_alloc_hook+0x59/0x310 [ 167.920650][ T6069] kmem_cache_alloc_node+0x60/0x320 [ 167.925906][ T6069] ? __alloc_skb+0x103/0x2c0 [ 167.930538][ T6069] __alloc_skb+0x103/0x2c0 [ 167.935002][ T6069] rtnl_bridge_notify+0xa1/0x250 [ 167.939970][ T6069] rtnl_bridge_setlink+0x697/0x7d0 [ 167.945125][ T6069] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.950526][ T6069] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.955664][ T6069] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 167.960805][ T6069] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 167.966151][ T6069] rtnetlink_rcv_msg+0x869/0xfa0 [ 167.971122][ T6069] ? lockdep_hardirqs_on+0x98/0x150 [ 167.976358][ T6069] ? rtnetlink_bind+0x80/0x80 [ 167.981077][ T6069] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 167.987081][ T6069] ? __dev_queue_xmit+0x26b/0x36b0 [ 167.992224][ T6069] ? lock_chain_count+0x20/0x20 [ 167.997132][ T6069] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.002550][ T6069] ? lockdep_hardirqs_on+0x98/0x150 [ 168.007884][ T6069] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.013298][ T6069] ? _local_bh_enable+0xa0/0xa0 [ 168.018184][ T6069] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.023357][ T6069] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.028525][ T6069] ? __dev_queue_xmit+0x124f/0x36b0 [ 168.033774][ T6069] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.039045][ T6069] ? ref_tracker_free+0x690/0x840 [ 168.044105][ T6069] netlink_rcv_skb+0x241/0x4d0 [ 168.048904][ T6069] ? rtnetlink_bind+0x80/0x80 [ 168.053607][ T6069] ? netlink_ack+0x1180/0x1180 [ 168.058414][ T6069] ? __lock_acquire+0x7d40/0x7d40 [ 168.063474][ T6069] ? netlink_deliver_tap+0x2e/0x1b0 [ 168.068717][ T6069] netlink_unicast+0x751/0x8d0 [ 168.073521][ T6069] netlink_sendmsg+0x8d0/0xbf0 [ 168.078411][ T6069] ? netlink_getsockopt+0x590/0x590 [ 168.083653][ T6069] ? aa_sock_msg_perm+0x94/0x150 [ 168.088651][ T6069] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 168.093998][ T6069] ? security_socket_sendmsg+0x80/0xa0 [ 168.099518][ T6069] ? netlink_getsockopt+0x590/0x590 [ 168.104766][ T6069] ____sys_sendmsg+0x5ba/0x960 [ 168.109580][ T6069] ? __asan_memset+0x22/0x40 [ 168.114214][ T6069] ? __sys_sendmsg_sock+0x30/0x30 [ 168.119278][ T6069] ? __import_iovec+0x5f2/0x850 [ 168.124171][ T6069] ? import_iovec+0x73/0xa0 [ 168.128711][ T6069] ___sys_sendmsg+0x2a6/0x360 [ 168.133428][ T6069] ? get_pid_task+0x20/0x1e0 [ 168.138178][ T6069] ? __sys_sendmsg+0x2a0/0x2a0 [ 168.143039][ T6069] ? file_end_write+0x250/0x250 [ 168.147948][ T6069] __se_sys_sendmsg+0x1c2/0x2b0 [ 168.152847][ T6069] ? __x64_sys_sendmsg+0x80/0x80 [ 168.157839][ T6069] ? lockdep_hardirqs_on+0x98/0x150 [ 168.163071][ T6069] do_syscall_64+0x55/0xa0 [ 168.167548][ T6069] ? clear_bhb_loop+0x40/0x90 [ 168.172252][ T6069] ? clear_bhb_loop+0x40/0x90 [ 168.176960][ T6069] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 168.182919][ T6069] RIP: 0033:0x7f5095f9acb9 [ 168.187466][ T6069] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 168.207149][ T6069] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.215700][ T6069] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 168.223702][ T6069] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 168.231737][ T6069] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 168.239746][ T6069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 168.247839][ T6069] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 168.255851][ T6069] [ 168.288324][ T6070] FAULT_INJECTION: forcing a failure. [ 168.288324][ T6070] name failslab, interval 1, probability 0, space 0, times 0 [ 168.317430][ T6070] CPU: 1 PID: 6070 Comm: syz.1.85 Not tainted syzkaller #0 [ 168.324735][ T6070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 168.334853][ T6070] Call Trace: [ 168.338205][ T6070] [ 168.341186][ T6070] dump_stack_lvl+0x18c/0x250 [ 168.345940][ T6070] ? show_regs_print_info+0x20/0x20 [ 168.351313][ T6070] ? load_image+0x400/0x400 [ 168.355906][ T6070] should_fail_ex+0x39d/0x4d0 [ 168.360659][ T6070] should_failslab+0x9/0x20 [ 168.365310][ T6070] slab_pre_alloc_hook+0x59/0x310 [ 168.370434][ T6070] kmem_cache_alloc_node+0x60/0x320 [ 168.375700][ T6070] ? __alloc_skb+0x103/0x2c0 [ 168.380366][ T6070] __alloc_skb+0x103/0x2c0 [ 168.384917][ T6070] rtnl_bridge_notify+0xa1/0x250 [ 168.390003][ T6070] rtnl_bridge_setlink+0x697/0x7d0 [ 168.395168][ T6070] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 168.400511][ T6070] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 168.405764][ T6070] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 168.410931][ T6070] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 168.416269][ T6070] rtnetlink_rcv_msg+0x869/0xfa0 [ 168.421275][ T6070] ? lockdep_hardirqs_on+0x98/0x150 [ 168.426637][ T6070] ? rtnetlink_bind+0x80/0x80 [ 168.431382][ T6070] ? lockdep_hardirqs_on_prepare+0x40d/0x770 2026/01/22 00:33:33 executed programs: 77 [ 168.437430][ T6070] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.442780][ T6070] ? lock_chain_count+0x20/0x20 [ 168.447704][ T6070] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.453136][ T6070] ? lockdep_hardirqs_on+0x98/0x150 [ 168.458392][ T6070] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.463822][ T6070] ? _local_bh_enable+0xa0/0xa0 [ 168.468738][ T6070] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.473907][ T6070] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.479164][ T6070] ? __dev_queue_xmit+0x124f/0x36b0 [ 168.484451][ T6070] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.489653][ T6070] ? ref_tracker_free+0x690/0x840 [ 168.494794][ T6070] netlink_rcv_skb+0x241/0x4d0 [ 168.499628][ T6070] ? rtnetlink_bind+0x80/0x80 [ 168.504682][ T6070] ? netlink_ack+0x1180/0x1180 [ 168.509602][ T6070] ? __lock_acquire+0x7d40/0x7d40 [ 168.514722][ T6070] ? netlink_deliver_tap+0x2e/0x1b0 [ 168.520000][ T6070] netlink_unicast+0x751/0x8d0 [ 168.524839][ T6070] netlink_sendmsg+0x8d0/0xbf0 [ 168.529686][ T6070] ? netlink_getsockopt+0x590/0x590 [ 168.534950][ T6070] ? aa_sock_msg_perm+0x94/0x150 [ 168.539948][ T6070] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 168.545301][ T6070] ? security_socket_sendmsg+0x80/0xa0 [ 168.550864][ T6070] ? netlink_getsockopt+0x590/0x590 [ 168.556239][ T6070] ____sys_sendmsg+0x5ba/0x960 [ 168.561094][ T6070] ? __asan_memset+0x22/0x40 [ 168.565743][ T6070] ? __sys_sendmsg_sock+0x30/0x30 [ 168.570830][ T6070] ? __import_iovec+0x5f2/0x850 [ 168.575764][ T6070] ? import_iovec+0x73/0xa0 [ 168.580334][ T6070] ___sys_sendmsg+0x2a6/0x360 [ 168.585072][ T6070] ? get_pid_task+0x20/0x1e0 [ 168.589726][ T6070] ? __sys_sendmsg+0x2a0/0x2a0 [ 168.594596][ T6070] ? file_end_write+0x250/0x250 [ 168.599564][ T6070] __se_sys_sendmsg+0x1c2/0x2b0 [ 168.604476][ T6070] ? __x64_sys_sendmsg+0x80/0x80 [ 168.609492][ T6070] ? lockdep_hardirqs_on+0x98/0x150 [ 168.614749][ T6070] do_syscall_64+0x55/0xa0 [ 168.619301][ T6070] ? clear_bhb_loop+0x40/0x90 [ 168.624034][ T6070] ? clear_bhb_loop+0x40/0x90 [ 168.628785][ T6070] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 168.634812][ T6070] RIP: 0033:0x7fd627b9acb9 [ 168.639278][ T6070] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 168.658949][ T6070] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.667506][ T6070] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 168.675623][ T6070] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 168.683645][ T6070] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 168.691848][ T6070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 168.699877][ T6070] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 168.707925][ T6070] [ 168.734198][ T6071] FAULT_INJECTION: forcing a failure. [ 168.734198][ T6071] name failslab, interval 1, probability 0, space 0, times 0 [ 168.748706][ T6071] CPU: 0 PID: 6071 Comm: syz.0.86 Not tainted syzkaller #0 [ 168.755970][ T6071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 168.766079][ T6071] Call Trace: [ 168.769397][ T6071] [ 168.772348][ T6071] dump_stack_lvl+0x18c/0x250 [ 168.777066][ T6071] ? show_regs_print_info+0x20/0x20 [ 168.782305][ T6071] ? load_image+0x400/0x400 [ 168.786848][ T6071] should_fail_ex+0x39d/0x4d0 [ 168.791563][ T6071] should_failslab+0x9/0x20 [ 168.796136][ T6071] slab_pre_alloc_hook+0x59/0x310 [ 168.801198][ T6071] kmem_cache_alloc_node+0x60/0x320 [ 168.806447][ T6071] ? __alloc_skb+0x103/0x2c0 [ 168.811083][ T6071] __alloc_skb+0x103/0x2c0 [ 168.815624][ T6071] rtnl_bridge_notify+0xa1/0x250 [ 168.820591][ T6071] rtnl_bridge_setlink+0x697/0x7d0 [ 168.825740][ T6071] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 168.831051][ T6071] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 168.836208][ T6071] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 168.841346][ T6071] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 168.846746][ T6071] rtnetlink_rcv_msg+0x869/0xfa0 [ 168.851718][ T6071] ? lockdep_hardirqs_on+0x98/0x150 [ 168.856956][ T6071] ? rtnetlink_bind+0x80/0x80 [ 168.861679][ T6071] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 168.867707][ T6071] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.872876][ T6071] ? lock_chain_count+0x20/0x20 [ 168.877861][ T6071] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.883269][ T6071] ? lockdep_hardirqs_on+0x98/0x150 [ 168.888503][ T6071] ? __local_bh_enable_ip+0x13a/0x1c0 [ 168.893903][ T6071] ? _local_bh_enable+0xa0/0xa0 [ 168.898845][ T6071] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.904083][ T6071] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.909259][ T6071] ? __dev_queue_xmit+0x124f/0x36b0 [ 168.914556][ T6071] ? __dev_queue_xmit+0x26b/0x36b0 [ 168.919828][ T6071] ? ref_tracker_free+0x690/0x840 [ 168.924925][ T6071] netlink_rcv_skb+0x241/0x4d0 [ 168.929738][ T6071] ? rtnetlink_bind+0x80/0x80 [ 168.934493][ T6071] ? netlink_ack+0x1180/0x1180 [ 168.939303][ T6071] ? __lock_acquire+0x7d40/0x7d40 [ 168.944371][ T6071] ? netlink_deliver_tap+0x2e/0x1b0 [ 168.949722][ T6071] netlink_unicast+0x751/0x8d0 [ 168.954552][ T6071] netlink_sendmsg+0x8d0/0xbf0 [ 168.959377][ T6071] ? netlink_getsockopt+0x590/0x590 [ 168.964707][ T6071] ? aa_sock_msg_perm+0x94/0x150 [ 168.969679][ T6071] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 168.974995][ T6071] ? security_socket_sendmsg+0x80/0xa0 [ 168.980505][ T6071] ? netlink_getsockopt+0x590/0x590 [ 168.985780][ T6071] ____sys_sendmsg+0x5ba/0x960 [ 168.990600][ T6071] ? __asan_memset+0x22/0x40 [ 168.995317][ T6071] ? __sys_sendmsg_sock+0x30/0x30 [ 169.000389][ T6071] ? __import_iovec+0x5f2/0x850 [ 169.005279][ T6071] ? import_iovec+0x73/0xa0 [ 169.009830][ T6071] ___sys_sendmsg+0x2a6/0x360 [ 169.014556][ T6071] ? get_pid_task+0x20/0x1e0 [ 169.019193][ T6071] ? __sys_sendmsg+0x2a0/0x2a0 [ 169.024029][ T6071] ? file_end_write+0x250/0x250 [ 169.028928][ T6071] __se_sys_sendmsg+0x1c2/0x2b0 [ 169.033942][ T6071] ? __x64_sys_sendmsg+0x80/0x80 [ 169.038950][ T6071] ? lockdep_hardirqs_on+0x98/0x150 [ 169.044214][ T6071] do_syscall_64+0x55/0xa0 [ 169.048766][ T6071] ? clear_bhb_loop+0x40/0x90 [ 169.053470][ T6071] ? clear_bhb_loop+0x40/0x90 [ 169.058190][ T6071] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 169.064123][ T6071] RIP: 0033:0x7f855ad9acb9 [ 169.068606][ T6071] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 169.088244][ T6071] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.096686][ T6071] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 169.104684][ T6071] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 169.112679][ T6071] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 169.120798][ T6071] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 169.128881][ T6071] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 169.136996][ T6071] [ 169.146313][ T6072] FAULT_INJECTION: forcing a failure. [ 169.146313][ T6072] name failslab, interval 1, probability 0, space 0, times 0 [ 169.160570][ T6072] CPU: 0 PID: 6072 Comm: syz.2.87 Not tainted syzkaller #0 [ 169.167842][ T6072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 169.177953][ T6072] Call Trace: [ 169.181288][ T6072] [ 169.184256][ T6072] dump_stack_lvl+0x18c/0x250 [ 169.188978][ T6072] ? show_regs_print_info+0x20/0x20 [ 169.194213][ T6072] ? load_image+0x400/0x400 [ 169.198842][ T6072] should_fail_ex+0x39d/0x4d0 [ 169.203548][ T6072] should_failslab+0x9/0x20 [ 169.208074][ T6072] slab_pre_alloc_hook+0x59/0x310 [ 169.213134][ T6072] kmem_cache_alloc_node+0x60/0x320 [ 169.218482][ T6072] ? __alloc_skb+0x103/0x2c0 [ 169.223123][ T6072] __alloc_skb+0x103/0x2c0 [ 169.227583][ T6072] rtnl_bridge_notify+0xa1/0x250 [ 169.232559][ T6072] rtnl_bridge_setlink+0x697/0x7d0 [ 169.237701][ T6072] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 169.243025][ T6072] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 169.248334][ T6072] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 169.253465][ T6072] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 169.258780][ T6072] rtnetlink_rcv_msg+0x869/0xfa0 [ 169.263763][ T6072] ? lockdep_hardirqs_on+0x98/0x150 [ 169.269003][ T6072] ? rtnetlink_bind+0x80/0x80 [ 169.273737][ T6072] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 169.279777][ T6072] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.284923][ T6072] ? lock_chain_count+0x20/0x20 [ 169.289804][ T6072] ? __local_bh_enable_ip+0x13a/0x1c0 [ 169.295226][ T6072] ? lockdep_hardirqs_on+0x98/0x150 [ 169.300449][ T6072] ? __local_bh_enable_ip+0x13a/0x1c0 [ 169.305845][ T6072] ? _local_bh_enable+0xa0/0xa0 [ 169.310724][ T6072] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.315874][ T6072] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.321016][ T6072] ? __dev_queue_xmit+0x124f/0x36b0 [ 169.326333][ T6072] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.331578][ T6072] ? ref_tracker_free+0x690/0x840 [ 169.336641][ T6072] netlink_rcv_skb+0x241/0x4d0 [ 169.341701][ T6072] ? rtnetlink_bind+0x80/0x80 [ 169.346410][ T6072] ? netlink_ack+0x1180/0x1180 [ 169.351223][ T6072] ? __lock_acquire+0x7d40/0x7d40 [ 169.356457][ T6072] ? netlink_deliver_tap+0x2e/0x1b0 [ 169.361699][ T6072] netlink_unicast+0x751/0x8d0 [ 169.366530][ T6072] netlink_sendmsg+0x8d0/0xbf0 [ 169.371348][ T6072] ? netlink_getsockopt+0x590/0x590 [ 169.376586][ T6072] ? aa_sock_msg_perm+0x94/0x150 [ 169.381558][ T6072] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 169.386882][ T6072] ? security_socket_sendmsg+0x80/0xa0 [ 169.392394][ T6072] ? netlink_getsockopt+0x590/0x590 [ 169.397626][ T6072] ____sys_sendmsg+0x5ba/0x960 [ 169.402432][ T6072] ? __asan_memset+0x22/0x40 [ 169.407053][ T6072] ? __sys_sendmsg_sock+0x30/0x30 [ 169.412111][ T6072] ? __import_iovec+0x5f2/0x850 [ 169.417005][ T6072] ? import_iovec+0x73/0xa0 [ 169.421548][ T6072] ___sys_sendmsg+0x2a6/0x360 [ 169.426263][ T6072] ? get_pid_task+0x20/0x1e0 [ 169.430908][ T6072] ? __sys_sendmsg+0x2a0/0x2a0 [ 169.435731][ T6072] ? file_end_write+0x250/0x250 [ 169.440625][ T6072] __se_sys_sendmsg+0x1c2/0x2b0 [ 169.445513][ T6072] ? __x64_sys_sendmsg+0x80/0x80 [ 169.450498][ T6072] ? lockdep_hardirqs_on+0x98/0x150 [ 169.455731][ T6072] do_syscall_64+0x55/0xa0 [ 169.460265][ T6072] ? clear_bhb_loop+0x40/0x90 [ 169.464982][ T6072] ? clear_bhb_loop+0x40/0x90 [ 169.469743][ T6072] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 169.475671][ T6072] RIP: 0033:0x7f5095f9acb9 [ 169.480114][ T6072] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 169.499942][ T6072] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.508389][ T6072] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 169.516385][ T6072] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 169.524379][ T6072] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 169.532382][ T6072] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 169.540463][ T6072] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 169.548477][ T6072] [ 169.560437][ T6073] FAULT_INJECTION: forcing a failure. [ 169.560437][ T6073] name failslab, interval 1, probability 0, space 0, times 0 [ 169.574529][ T6073] CPU: 0 PID: 6073 Comm: syz.3.88 Not tainted syzkaller #0 [ 169.581915][ T6073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 169.592463][ T6073] Call Trace: [ 169.595785][ T6073] [ 169.598812][ T6073] dump_stack_lvl+0x18c/0x250 [ 169.603596][ T6073] ? show_regs_print_info+0x20/0x20 [ 169.608867][ T6073] ? load_image+0x400/0x400 [ 169.613436][ T6073] should_fail_ex+0x39d/0x4d0 [ 169.618181][ T6073] should_failslab+0x9/0x20 [ 169.622783][ T6073] slab_pre_alloc_hook+0x59/0x310 [ 169.627890][ T6073] kmem_cache_alloc_node+0x60/0x320 [ 169.633165][ T6073] ? __alloc_skb+0x103/0x2c0 [ 169.637832][ T6073] __alloc_skb+0x103/0x2c0 [ 169.642315][ T6073] rtnl_bridge_notify+0xa1/0x250 [ 169.647293][ T6073] rtnl_bridge_setlink+0x697/0x7d0 [ 169.652457][ T6073] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 169.657777][ T6073] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 169.662920][ T6073] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 169.668058][ T6073] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 169.673371][ T6073] rtnetlink_rcv_msg+0x869/0xfa0 [ 169.678355][ T6073] ? lockdep_hardirqs_on+0x98/0x150 [ 169.683694][ T6073] ? rtnetlink_bind+0x80/0x80 [ 169.688411][ T6073] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 169.694514][ T6073] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.699658][ T6073] ? lock_chain_count+0x20/0x20 [ 169.704542][ T6073] ? __local_bh_enable_ip+0x13a/0x1c0 [ 169.709943][ T6073] ? lockdep_hardirqs_on+0x98/0x150 [ 169.715271][ T6073] ? __local_bh_enable_ip+0x13a/0x1c0 [ 169.720849][ T6073] ? _local_bh_enable+0xa0/0xa0 [ 169.725950][ T6073] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.731090][ T6073] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.736319][ T6073] ? __dev_queue_xmit+0x124f/0x36b0 [ 169.741795][ T6073] ? __dev_queue_xmit+0x26b/0x36b0 [ 169.747046][ T6073] ? ref_tracker_free+0x690/0x840 [ 169.752112][ T6073] netlink_rcv_skb+0x241/0x4d0 [ 169.757001][ T6073] ? rtnetlink_bind+0x80/0x80 [ 169.761705][ T6073] ? netlink_ack+0x1180/0x1180 [ 169.766526][ T6073] ? __lock_acquire+0x7d40/0x7d40 [ 169.771589][ T6073] ? netlink_deliver_tap+0x2e/0x1b0 [ 169.776847][ T6073] netlink_unicast+0x751/0x8d0 [ 169.781663][ T6073] netlink_sendmsg+0x8d0/0xbf0 [ 169.786472][ T6073] ? netlink_getsockopt+0x590/0x590 [ 169.791722][ T6073] ? aa_sock_msg_perm+0x94/0x150 [ 169.796689][ T6073] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 169.802011][ T6073] ? security_socket_sendmsg+0x80/0xa0 [ 169.807581][ T6073] ? netlink_getsockopt+0x590/0x590 [ 169.812930][ T6073] ____sys_sendmsg+0x5ba/0x960 [ 169.817828][ T6073] ? __asan_memset+0x22/0x40 [ 169.822582][ T6073] ? __sys_sendmsg_sock+0x30/0x30 [ 169.827637][ T6073] ? __import_iovec+0x5f2/0x850 [ 169.832529][ T6073] ? import_iovec+0x73/0xa0 [ 169.837070][ T6073] ___sys_sendmsg+0x2a6/0x360 [ 169.841781][ T6073] ? get_pid_task+0x20/0x1e0 [ 169.846425][ T6073] ? __sys_sendmsg+0x2a0/0x2a0 [ 169.851251][ T6073] ? file_end_write+0x250/0x250 [ 169.856143][ T6073] __se_sys_sendmsg+0x1c2/0x2b0 [ 169.861035][ T6073] ? __x64_sys_sendmsg+0x80/0x80 [ 169.866050][ T6073] ? lockdep_hardirqs_on+0x98/0x150 [ 169.871325][ T6073] do_syscall_64+0x55/0xa0 [ 169.875797][ T6073] ? clear_bhb_loop+0x40/0x90 [ 169.880526][ T6073] ? clear_bhb_loop+0x40/0x90 [ 169.885265][ T6073] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 169.891393][ T6073] RIP: 0033:0x7f08d019acb9 [ 169.895867][ T6073] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 169.915794][ T6073] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.924240][ T6073] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 169.932335][ T6073] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 169.940431][ T6073] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 169.948431][ T6073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 169.956426][ T6073] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 169.964442][ T6073] [ 170.025508][ T6074] FAULT_INJECTION: forcing a failure. [ 170.025508][ T6074] name failslab, interval 1, probability 0, space 0, times 0 [ 170.039869][ T6074] CPU: 0 PID: 6074 Comm: syz.1.89 Not tainted syzkaller #0 [ 170.047110][ T6074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 170.057218][ T6074] Call Trace: [ 170.060551][ T6074] [ 170.063531][ T6074] dump_stack_lvl+0x18c/0x250 [ 170.068281][ T6074] ? show_regs_print_info+0x20/0x20 [ 170.073524][ T6074] ? load_image+0x400/0x400 [ 170.078082][ T6074] should_fail_ex+0x39d/0x4d0 [ 170.082808][ T6074] should_failslab+0x9/0x20 [ 170.087376][ T6074] slab_pre_alloc_hook+0x59/0x310 [ 170.092560][ T6074] kmem_cache_alloc_node+0x60/0x320 [ 170.097839][ T6074] ? __alloc_skb+0x103/0x2c0 [ 170.102476][ T6074] __alloc_skb+0x103/0x2c0 [ 170.106935][ T6074] rtnl_bridge_notify+0xa1/0x250 [ 170.111906][ T6074] rtnl_bridge_setlink+0x697/0x7d0 [ 170.117047][ T6074] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 170.122384][ T6074] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 170.127534][ T6074] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 170.132679][ T6074] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 170.138013][ T6074] rtnetlink_rcv_msg+0x869/0xfa0 [ 170.143073][ T6074] ? lockdep_hardirqs_on+0x98/0x150 [ 170.148308][ T6074] ? rtnetlink_bind+0x80/0x80 [ 170.153014][ T6074] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 170.159020][ T6074] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.164172][ T6074] ? lock_chain_count+0x20/0x20 [ 170.169061][ T6074] ? __local_bh_enable_ip+0x13a/0x1c0 [ 170.174464][ T6074] ? lockdep_hardirqs_on+0x98/0x150 [ 170.179689][ T6074] ? __local_bh_enable_ip+0x13a/0x1c0 [ 170.185090][ T6074] ? _local_bh_enable+0xa0/0xa0 [ 170.189987][ T6074] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.195136][ T6074] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.200281][ T6074] ? __dev_queue_xmit+0x124f/0x36b0 [ 170.205508][ T6074] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.210664][ T6074] ? ref_tracker_free+0x690/0x840 [ 170.215814][ T6074] netlink_rcv_skb+0x241/0x4d0 [ 170.220706][ T6074] ? rtnetlink_bind+0x80/0x80 [ 170.225411][ T6074] ? netlink_ack+0x1180/0x1180 [ 170.230214][ T6074] ? __lock_acquire+0x7d40/0x7d40 [ 170.235270][ T6074] ? netlink_deliver_tap+0x2e/0x1b0 [ 170.240507][ T6074] netlink_unicast+0x751/0x8d0 [ 170.245394][ T6074] netlink_sendmsg+0x8d0/0xbf0 [ 170.250201][ T6074] ? netlink_getsockopt+0x590/0x590 [ 170.255444][ T6074] ? aa_sock_msg_perm+0x94/0x150 [ 170.260465][ T6074] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 170.265961][ T6074] ? security_socket_sendmsg+0x80/0xa0 [ 170.271564][ T6074] ? netlink_getsockopt+0x590/0x590 [ 170.276819][ T6074] ____sys_sendmsg+0x5ba/0x960 [ 170.281659][ T6074] ? __asan_memset+0x22/0x40 [ 170.286319][ T6074] ? __sys_sendmsg_sock+0x30/0x30 [ 170.291414][ T6074] ? __import_iovec+0x5f2/0x850 [ 170.296349][ T6074] ? import_iovec+0x73/0xa0 [ 170.301011][ T6074] ___sys_sendmsg+0x2a6/0x360 [ 170.305777][ T6074] ? get_pid_task+0x20/0x1e0 [ 170.310434][ T6074] ? __sys_sendmsg+0x2a0/0x2a0 [ 170.315292][ T6074] ? file_end_write+0x250/0x250 [ 170.320198][ T6074] __se_sys_sendmsg+0x1c2/0x2b0 [ 170.325129][ T6074] ? __x64_sys_sendmsg+0x80/0x80 [ 170.330146][ T6074] ? lockdep_hardirqs_on+0x98/0x150 [ 170.335399][ T6074] do_syscall_64+0x55/0xa0 [ 170.340391][ T6074] ? clear_bhb_loop+0x40/0x90 [ 170.345120][ T6074] ? clear_bhb_loop+0x40/0x90 [ 170.349984][ T6074] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 170.356039][ T6074] RIP: 0033:0x7fd627b9acb9 [ 170.360501][ T6074] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 170.380259][ T6074] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.388722][ T6074] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 170.396752][ T6074] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 170.404867][ T6074] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 170.412890][ T6074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 170.420904][ T6074] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 170.428949][ T6074] [ 170.436160][ T6075] FAULT_INJECTION: forcing a failure. [ 170.436160][ T6075] name failslab, interval 1, probability 0, space 0, times 0 [ 170.449110][ T6075] CPU: 1 PID: 6075 Comm: syz.0.90 Not tainted syzkaller #0 [ 170.456372][ T6075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 170.466484][ T6075] Call Trace: [ 170.469806][ T6075] [ 170.472795][ T6075] dump_stack_lvl+0x18c/0x250 [ 170.477562][ T6075] ? show_regs_print_info+0x20/0x20 [ 170.482830][ T6075] ? load_image+0x400/0x400 [ 170.487411][ T6075] should_fail_ex+0x39d/0x4d0 [ 170.492158][ T6075] should_failslab+0x9/0x20 [ 170.496723][ T6075] slab_pre_alloc_hook+0x59/0x310 [ 170.501804][ T6075] kmem_cache_alloc_node+0x60/0x320 [ 170.507150][ T6075] ? __alloc_skb+0x103/0x2c0 [ 170.511818][ T6075] __alloc_skb+0x103/0x2c0 [ 170.516365][ T6075] rtnl_bridge_notify+0xa1/0x250 [ 170.521367][ T6075] rtnl_bridge_setlink+0x697/0x7d0 [ 170.526530][ T6075] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 170.531871][ T6075] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 170.537036][ T6075] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 170.542316][ T6075] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 170.547713][ T6075] rtnetlink_rcv_msg+0x869/0xfa0 [ 170.552730][ T6075] ? lockdep_hardirqs_on+0x98/0x150 [ 170.558009][ T6075] ? rtnetlink_bind+0x80/0x80 [ 170.562859][ T6075] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 170.568896][ T6075] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.574094][ T6075] ? lock_chain_count+0x20/0x20 [ 170.578999][ T6075] ? __local_bh_enable_ip+0x13a/0x1c0 [ 170.584574][ T6075] ? lockdep_hardirqs_on+0x98/0x150 [ 170.590060][ T6075] ? __local_bh_enable_ip+0x13a/0x1c0 [ 170.595584][ T6075] ? _local_bh_enable+0xa0/0xa0 [ 170.600484][ T6075] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.605679][ T6075] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.610840][ T6075] ? __dev_queue_xmit+0x124f/0x36b0 [ 170.616100][ T6075] ? __dev_queue_xmit+0x26b/0x36b0 [ 170.621298][ T6075] ? ref_tracker_free+0x690/0x840 [ 170.626394][ T6075] netlink_rcv_skb+0x241/0x4d0 [ 170.631235][ T6075] ? rtnetlink_bind+0x80/0x80 [ 170.636004][ T6075] ? netlink_ack+0x1180/0x1180 [ 170.640836][ T6075] ? __lock_acquire+0x7d40/0x7d40 [ 170.646035][ T6075] ? netlink_deliver_tap+0x2e/0x1b0 [ 170.651308][ T6075] netlink_unicast+0x751/0x8d0 [ 170.656152][ T6075] netlink_sendmsg+0x8d0/0xbf0 [ 170.661010][ T6075] ? netlink_getsockopt+0x590/0x590 [ 170.666273][ T6075] ? aa_sock_msg_perm+0x94/0x150 [ 170.671269][ T6075] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 170.676603][ T6075] ? security_socket_sendmsg+0x80/0xa0 [ 170.682257][ T6075] ? netlink_getsockopt+0x590/0x590 [ 170.687525][ T6075] ____sys_sendmsg+0x5ba/0x960 [ 170.692641][ T6075] ? __asan_memset+0x22/0x40 [ 170.697287][ T6075] ? __sys_sendmsg_sock+0x30/0x30 [ 170.702379][ T6075] ? __import_iovec+0x5f2/0x850 [ 170.707314][ T6075] ? import_iovec+0x73/0xa0 [ 170.711902][ T6075] ___sys_sendmsg+0x2a6/0x360 [ 170.716818][ T6075] ? get_pid_task+0x20/0x1e0 [ 170.721456][ T6075] ? __sys_sendmsg+0x2a0/0x2a0 [ 170.726314][ T6075] ? file_end_write+0x250/0x250 [ 170.731309][ T6075] __se_sys_sendmsg+0x1c2/0x2b0 [ 170.736228][ T6075] ? __x64_sys_sendmsg+0x80/0x80 [ 170.741256][ T6075] ? lockdep_hardirqs_on+0x98/0x150 [ 170.746526][ T6075] do_syscall_64+0x55/0xa0 [ 170.751030][ T6075] ? clear_bhb_loop+0x40/0x90 [ 170.755874][ T6075] ? clear_bhb_loop+0x40/0x90 [ 170.760611][ T6075] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 170.766678][ T6075] RIP: 0033:0x7f855ad9acb9 [ 170.771285][ T6075] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 170.791130][ T6075] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.799772][ T6075] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 170.807894][ T6075] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 170.815908][ T6075] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 170.823935][ T6075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 170.832313][ T6075] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 170.840347][ T6075] [ 170.950108][ T6076] FAULT_INJECTION: forcing a failure. [ 170.950108][ T6076] name failslab, interval 1, probability 0, space 0, times 0 [ 171.005011][ T6076] CPU: 0 PID: 6076 Comm: syz.2.92 Not tainted syzkaller #0 [ 171.012314][ T6076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 171.022440][ T6076] Call Trace: [ 171.025771][ T6076] [ 171.028757][ T6076] dump_stack_lvl+0x18c/0x250 [ 171.033500][ T6076] ? show_regs_print_info+0x20/0x20 [ 171.038777][ T6076] ? load_image+0x400/0x400 [ 171.043325][ T6076] should_fail_ex+0x39d/0x4d0 [ 171.048030][ T6076] should_failslab+0x9/0x20 [ 171.052560][ T6076] slab_pre_alloc_hook+0x59/0x310 [ 171.057711][ T6076] kmem_cache_alloc_node+0x60/0x320 [ 171.062994][ T6076] ? __alloc_skb+0x103/0x2c0 [ 171.067667][ T6076] __alloc_skb+0x103/0x2c0 [ 171.072341][ T6076] rtnl_bridge_notify+0xa1/0x250 [ 171.077505][ T6076] rtnl_bridge_setlink+0x697/0x7d0 [ 171.083219][ T6076] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.088563][ T6076] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.093721][ T6076] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.098859][ T6076] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.104181][ T6076] rtnetlink_rcv_msg+0x869/0xfa0 [ 171.109183][ T6076] ? lockdep_hardirqs_on+0x98/0x150 [ 171.114799][ T6076] ? rtnetlink_bind+0x80/0x80 [ 171.119543][ T6076] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 171.125583][ T6076] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.130758][ T6076] ? lock_chain_count+0x20/0x20 [ 171.135656][ T6076] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.141069][ T6076] ? lockdep_hardirqs_on+0x98/0x150 [ 171.146317][ T6076] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.151837][ T6076] ? _local_bh_enable+0xa0/0xa0 [ 171.156737][ T6076] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.161890][ T6076] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.167037][ T6076] ? __dev_queue_xmit+0x124f/0x36b0 [ 171.172266][ T6076] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.177422][ T6076] ? ref_tracker_free+0x690/0x840 [ 171.182485][ T6076] netlink_rcv_skb+0x241/0x4d0 [ 171.187295][ T6076] ? rtnetlink_bind+0x80/0x80 [ 171.192010][ T6076] ? netlink_ack+0x1180/0x1180 [ 171.196901][ T6076] ? __lock_acquire+0x7d40/0x7d40 [ 171.201961][ T6076] ? netlink_deliver_tap+0x2e/0x1b0 [ 171.207387][ T6076] netlink_unicast+0x751/0x8d0 [ 171.212197][ T6076] netlink_sendmsg+0x8d0/0xbf0 [ 171.217019][ T6076] ? netlink_getsockopt+0x590/0x590 [ 171.222272][ T6076] ? aa_sock_msg_perm+0x94/0x150 [ 171.227246][ T6076] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 171.232574][ T6076] ? security_socket_sendmsg+0x80/0xa0 [ 171.238060][ T6076] ? netlink_getsockopt+0x590/0x590 [ 171.243294][ T6076] ____sys_sendmsg+0x5ba/0x960 [ 171.248100][ T6076] ? __asan_memset+0x22/0x40 [ 171.252747][ T6076] ? __sys_sendmsg_sock+0x30/0x30 [ 171.257822][ T6076] ? __import_iovec+0x5f2/0x850 [ 171.262746][ T6076] ? import_iovec+0x73/0xa0 [ 171.267404][ T6076] ___sys_sendmsg+0x2a6/0x360 [ 171.272144][ T6076] ? get_pid_task+0x20/0x1e0 [ 171.276777][ T6076] ? __sys_sendmsg+0x2a0/0x2a0 [ 171.281633][ T6076] ? file_end_write+0x250/0x250 [ 171.286527][ T6076] __se_sys_sendmsg+0x1c2/0x2b0 [ 171.291420][ T6076] ? __x64_sys_sendmsg+0x80/0x80 [ 171.296540][ T6076] ? lockdep_hardirqs_on+0x98/0x150 [ 171.301783][ T6076] do_syscall_64+0x55/0xa0 [ 171.306232][ T6076] ? clear_bhb_loop+0x40/0x90 [ 171.310949][ T6076] ? clear_bhb_loop+0x40/0x90 [ 171.315662][ T6076] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 171.321690][ T6076] RIP: 0033:0x7f5095f9acb9 [ 171.326146][ T6076] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 171.345786][ T6076] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.354233][ T6076] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 171.362234][ T6076] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 171.370231][ T6076] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 171.378253][ T6076] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 171.386260][ T6076] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 171.394303][ T6076] [ 171.406446][ T6078] FAULT_INJECTION: forcing a failure. [ 171.406446][ T6078] name failslab, interval 1, probability 0, space 0, times 0 [ 171.422888][ T6078] CPU: 1 PID: 6078 Comm: syz.1.91 Not tainted syzkaller #0 [ 171.430203][ T6078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 171.440303][ T6078] Call Trace: [ 171.443634][ T6078] [ 171.446607][ T6078] dump_stack_lvl+0x18c/0x250 [ 171.451366][ T6078] ? show_regs_print_info+0x20/0x20 [ 171.456915][ T6078] ? load_image+0x400/0x400 [ 171.461480][ T6078] should_fail_ex+0x39d/0x4d0 [ 171.466220][ T6078] should_failslab+0x9/0x20 [ 171.470799][ T6078] slab_pre_alloc_hook+0x59/0x310 [ 171.475882][ T6078] kmem_cache_alloc_node+0x60/0x320 [ 171.481141][ T6078] ? __alloc_skb+0x103/0x2c0 [ 171.485817][ T6078] __alloc_skb+0x103/0x2c0 [ 171.490304][ T6078] rtnl_bridge_notify+0xa1/0x250 [ 171.495310][ T6078] rtnl_bridge_setlink+0x697/0x7d0 [ 171.500477][ T6078] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.505827][ T6078] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.510983][ T6078] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.516128][ T6078] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.521451][ T6078] rtnetlink_rcv_msg+0x869/0xfa0 [ 171.526427][ T6078] ? lockdep_hardirqs_on+0x98/0x150 [ 171.531720][ T6078] ? rtnetlink_bind+0x80/0x80 [ 171.536431][ T6078] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 171.542453][ T6078] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.547604][ T6078] ? lock_chain_count+0x20/0x20 [ 171.552596][ T6078] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.558080][ T6078] ? lockdep_hardirqs_on+0x98/0x150 [ 171.563400][ T6078] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.568798][ T6078] ? _local_bh_enable+0xa0/0xa0 [ 171.573683][ T6078] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.578847][ T6078] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.584006][ T6078] ? __dev_queue_xmit+0x124f/0x36b0 [ 171.589266][ T6078] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.594457][ T6078] ? ref_tracker_free+0x690/0x840 [ 171.599544][ T6078] netlink_rcv_skb+0x241/0x4d0 [ 171.604375][ T6078] ? rtnetlink_bind+0x80/0x80 [ 171.609092][ T6078] ? netlink_ack+0x1180/0x1180 [ 171.613905][ T6078] ? __lock_acquire+0x7d40/0x7d40 [ 171.618967][ T6078] ? netlink_deliver_tap+0x2e/0x1b0 [ 171.624208][ T6078] netlink_unicast+0x751/0x8d0 [ 171.629019][ T6078] netlink_sendmsg+0x8d0/0xbf0 [ 171.633823][ T6078] ? netlink_getsockopt+0x590/0x590 [ 171.639063][ T6078] ? aa_sock_msg_perm+0x94/0x150 [ 171.644033][ T6078] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 171.649349][ T6078] ? security_socket_sendmsg+0x80/0xa0 [ 171.654834][ T6078] ? netlink_getsockopt+0x590/0x590 [ 171.660077][ T6078] ____sys_sendmsg+0x5ba/0x960 [ 171.664882][ T6078] ? __asan_memset+0x22/0x40 [ 171.669503][ T6078] ? __sys_sendmsg_sock+0x30/0x30 [ 171.674569][ T6078] ? __import_iovec+0x5f2/0x850 [ 171.679609][ T6078] ? import_iovec+0x73/0xa0 [ 171.684150][ T6078] ___sys_sendmsg+0x2a6/0x360 [ 171.688869][ T6078] ? get_pid_task+0x20/0x1e0 [ 171.693508][ T6078] ? __sys_sendmsg+0x2a0/0x2a0 [ 171.698342][ T6078] ? file_end_write+0x250/0x250 [ 171.703417][ T6078] __se_sys_sendmsg+0x1c2/0x2b0 [ 171.708309][ T6078] ? __x64_sys_sendmsg+0x80/0x80 [ 171.713430][ T6078] ? lockdep_hardirqs_on+0x98/0x150 [ 171.718702][ T6078] do_syscall_64+0x55/0xa0 [ 171.723174][ T6078] ? clear_bhb_loop+0x40/0x90 [ 171.727893][ T6078] ? clear_bhb_loop+0x40/0x90 [ 171.732614][ T6078] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 171.738547][ T6078] RIP: 0033:0x7fd627b9acb9 [ 171.742994][ T6078] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 171.762629][ T6078] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.771138][ T6078] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 171.779142][ T6078] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 171.787162][ T6078] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 171.795187][ T6078] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 171.803195][ T6078] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 171.811207][ T6078] [ 171.827162][ T6077] FAULT_INJECTION: forcing a failure. [ 171.827162][ T6077] name failslab, interval 1, probability 0, space 0, times 0 [ 171.840040][ T6077] CPU: 0 PID: 6077 Comm: syz.3.93 Not tainted syzkaller #0 [ 171.847299][ T6077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 171.857407][ T6077] Call Trace: [ 171.860728][ T6077] [ 171.863691][ T6077] dump_stack_lvl+0x18c/0x250 [ 171.868418][ T6077] ? show_regs_print_info+0x20/0x20 [ 171.873656][ T6077] ? load_image+0x400/0x400 [ 171.878196][ T6077] should_fail_ex+0x39d/0x4d0 [ 171.882912][ T6077] should_failslab+0x9/0x20 [ 171.887480][ T6077] slab_pre_alloc_hook+0x59/0x310 [ 171.892575][ T6077] kmem_cache_alloc_node+0x60/0x320 [ 171.897864][ T6077] ? __alloc_skb+0x103/0x2c0 [ 171.902503][ T6077] __alloc_skb+0x103/0x2c0 [ 171.906966][ T6077] rtnl_bridge_notify+0xa1/0x250 [ 171.912111][ T6077] rtnl_bridge_setlink+0x697/0x7d0 [ 171.917255][ T6077] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.922693][ T6077] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.927858][ T6077] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 171.933003][ T6077] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 171.938329][ T6077] rtnetlink_rcv_msg+0x869/0xfa0 [ 171.943304][ T6077] ? lockdep_hardirqs_on+0x98/0x150 [ 171.948554][ T6077] ? rtnetlink_bind+0x80/0x80 [ 171.953281][ T6077] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 171.959298][ T6077] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.964451][ T6077] ? lock_chain_count+0x20/0x20 [ 171.969343][ T6077] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.974765][ T6077] ? lockdep_hardirqs_on+0x98/0x150 [ 171.980026][ T6077] ? __local_bh_enable_ip+0x13a/0x1c0 [ 171.985446][ T6077] ? _local_bh_enable+0xa0/0xa0 [ 171.990337][ T6077] ? __dev_queue_xmit+0x26b/0x36b0 [ 171.995480][ T6077] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.000829][ T6077] ? __dev_queue_xmit+0x124f/0x36b0 [ 172.006064][ T6077] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.011226][ T6077] ? ref_tracker_free+0x690/0x840 [ 172.016292][ T6077] netlink_rcv_skb+0x241/0x4d0 [ 172.021091][ T6077] ? rtnetlink_bind+0x80/0x80 [ 172.025806][ T6077] ? netlink_ack+0x1180/0x1180 [ 172.030702][ T6077] ? __lock_acquire+0x7d40/0x7d40 [ 172.035771][ T6077] ? netlink_deliver_tap+0x2e/0x1b0 [ 172.041061][ T6077] netlink_unicast+0x751/0x8d0 [ 172.045896][ T6077] netlink_sendmsg+0x8d0/0xbf0 [ 172.050864][ T6077] ? netlink_getsockopt+0x590/0x590 [ 172.056137][ T6077] ? aa_sock_msg_perm+0x94/0x150 [ 172.061119][ T6077] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 172.066438][ T6077] ? security_socket_sendmsg+0x80/0xa0 [ 172.071927][ T6077] ? netlink_getsockopt+0x590/0x590 [ 172.077179][ T6077] ____sys_sendmsg+0x5ba/0x960 [ 172.082004][ T6077] ? __asan_memset+0x22/0x40 [ 172.086640][ T6077] ? __sys_sendmsg_sock+0x30/0x30 [ 172.091892][ T6077] ? __import_iovec+0x5f2/0x850 [ 172.096850][ T6077] ? import_iovec+0x73/0xa0 [ 172.101420][ T6077] ___sys_sendmsg+0x2a6/0x360 [ 172.106239][ T6077] ? get_pid_task+0x20/0x1e0 [ 172.110863][ T6077] ? __sys_sendmsg+0x2a0/0x2a0 [ 172.115704][ T6077] ? file_end_write+0x250/0x250 [ 172.120637][ T6077] __se_sys_sendmsg+0x1c2/0x2b0 [ 172.125539][ T6077] ? __x64_sys_sendmsg+0x80/0x80 [ 172.130533][ T6077] ? lockdep_hardirqs_on+0x98/0x150 [ 172.135785][ T6077] do_syscall_64+0x55/0xa0 [ 172.140235][ T6077] ? clear_bhb_loop+0x40/0x90 [ 172.144940][ T6077] ? clear_bhb_loop+0x40/0x90 [ 172.149669][ T6077] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 172.155595][ T6077] RIP: 0033:0x7f08d019acb9 [ 172.160056][ T6077] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 172.179807][ T6077] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 172.188368][ T6077] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 172.196476][ T6077] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 172.204516][ T6077] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 172.212542][ T6077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 172.220918][ T6077] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 172.229032][ T6077] [ 172.277919][ T6079] FAULT_INJECTION: forcing a failure. [ 172.277919][ T6079] name failslab, interval 1, probability 0, space 0, times 0 [ 172.290955][ T6079] CPU: 1 PID: 6079 Comm: syz.0.94 Not tainted syzkaller #0 [ 172.298211][ T6079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 172.308305][ T6079] Call Trace: [ 172.311640][ T6079] [ 172.314600][ T6079] dump_stack_lvl+0x18c/0x250 [ 172.319325][ T6079] ? show_regs_print_info+0x20/0x20 [ 172.324633][ T6079] ? load_image+0x400/0x400 [ 172.329246][ T6079] should_fail_ex+0x39d/0x4d0 [ 172.334081][ T6079] should_failslab+0x9/0x20 [ 172.338659][ T6079] slab_pre_alloc_hook+0x59/0x310 [ 172.343744][ T6079] kmem_cache_alloc_node+0x60/0x320 [ 172.349084][ T6079] ? __alloc_skb+0x103/0x2c0 [ 172.353717][ T6079] __alloc_skb+0x103/0x2c0 [ 172.358178][ T6079] rtnl_bridge_notify+0xa1/0x250 [ 172.363236][ T6079] rtnl_bridge_setlink+0x697/0x7d0 [ 172.368393][ T6079] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 172.373831][ T6079] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 172.379079][ T6079] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 172.384234][ T6079] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 172.389555][ T6079] rtnetlink_rcv_msg+0x869/0xfa0 [ 172.394539][ T6079] ? lockdep_hardirqs_on+0x98/0x150 [ 172.399772][ T6079] ? rtnetlink_bind+0x80/0x80 [ 172.404481][ T6079] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 172.410486][ T6079] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.415632][ T6079] ? lock_chain_count+0x20/0x20 [ 172.420544][ T6079] ? __local_bh_enable_ip+0x13a/0x1c0 [ 172.425949][ T6079] ? lockdep_hardirqs_on+0x98/0x150 [ 172.431182][ T6079] ? __local_bh_enable_ip+0x13a/0x1c0 [ 172.436597][ T6079] ? _local_bh_enable+0xa0/0xa0 [ 172.441488][ T6079] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.446635][ T6079] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.451808][ T6079] ? __dev_queue_xmit+0x124f/0x36b0 [ 172.457068][ T6079] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.462262][ T6079] ? ref_tracker_free+0x690/0x840 [ 172.467333][ T6079] netlink_rcv_skb+0x241/0x4d0 [ 172.472131][ T6079] ? rtnetlink_bind+0x80/0x80 [ 172.476843][ T6079] ? netlink_ack+0x1180/0x1180 [ 172.481652][ T6079] ? __lock_acquire+0x7d40/0x7d40 [ 172.486721][ T6079] ? netlink_deliver_tap+0x2e/0x1b0 [ 172.491954][ T6079] netlink_unicast+0x751/0x8d0 [ 172.496765][ T6079] netlink_sendmsg+0x8d0/0xbf0 [ 172.501566][ T6079] ? netlink_getsockopt+0x590/0x590 [ 172.506804][ T6079] ? aa_sock_msg_perm+0x94/0x150 [ 172.511780][ T6079] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 172.517102][ T6079] ? security_socket_sendmsg+0x80/0xa0 [ 172.522611][ T6079] ? netlink_getsockopt+0x590/0x590 [ 172.527873][ T6079] ____sys_sendmsg+0x5ba/0x960 [ 172.532718][ T6079] ? __asan_memset+0x22/0x40 [ 172.537363][ T6079] ? __sys_sendmsg_sock+0x30/0x30 [ 172.542448][ T6079] ? __import_iovec+0x5f2/0x850 [ 172.547349][ T6079] ? import_iovec+0x73/0xa0 [ 172.551889][ T6079] ___sys_sendmsg+0x2a6/0x360 [ 172.556791][ T6079] ? get_pid_task+0x20/0x1e0 [ 172.561417][ T6079] ? __sys_sendmsg+0x2a0/0x2a0 [ 172.566253][ T6079] ? file_end_write+0x250/0x250 [ 172.571152][ T6079] __se_sys_sendmsg+0x1c2/0x2b0 [ 172.576035][ T6079] ? __x64_sys_sendmsg+0x80/0x80 [ 172.581022][ T6079] ? lockdep_hardirqs_on+0x98/0x150 [ 172.586252][ T6079] do_syscall_64+0x55/0xa0 [ 172.590700][ T6079] ? clear_bhb_loop+0x40/0x90 [ 172.595417][ T6079] ? clear_bhb_loop+0x40/0x90 [ 172.600131][ T6079] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 172.606061][ T6079] RIP: 0033:0x7f855ad9acb9 [ 172.610506][ T6079] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 172.630151][ T6079] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 172.638608][ T6079] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 172.646620][ T6079] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 172.654629][ T6079] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 172.662711][ T6079] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 172.670707][ T6079] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 172.678812][ T6079] [ 172.701909][ T6080] FAULT_INJECTION: forcing a failure. [ 172.701909][ T6080] name failslab, interval 1, probability 0, space 0, times 0 [ 172.715302][ T6080] CPU: 0 PID: 6080 Comm: syz.2.95 Not tainted syzkaller #0 [ 172.722557][ T6080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 172.732640][ T6080] Call Trace: [ 172.735944][ T6080] [ 172.738897][ T6080] dump_stack_lvl+0x18c/0x250 [ 172.743616][ T6080] ? show_regs_print_info+0x20/0x20 [ 172.748856][ T6080] ? load_image+0x400/0x400 [ 172.753415][ T6080] should_fail_ex+0x39d/0x4d0 [ 172.758146][ T6080] should_failslab+0x9/0x20 [ 172.762675][ T6080] slab_pre_alloc_hook+0x59/0x310 [ 172.767741][ T6080] kmem_cache_alloc_node+0x60/0x320 [ 172.773064][ T6080] ? __alloc_skb+0x103/0x2c0 [ 172.777786][ T6080] __alloc_skb+0x103/0x2c0 [ 172.782246][ T6080] rtnl_bridge_notify+0xa1/0x250 [ 172.787211][ T6080] rtnl_bridge_setlink+0x697/0x7d0 [ 172.792437][ T6080] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 172.797752][ T6080] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 172.802896][ T6080] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 172.808033][ T6080] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 172.813443][ T6080] rtnetlink_rcv_msg+0x869/0xfa0 [ 172.818509][ T6080] ? lockdep_hardirqs_on+0x98/0x150 [ 172.823749][ T6080] ? rtnetlink_bind+0x80/0x80 [ 172.828465][ T6080] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 172.834482][ T6080] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.839639][ T6080] ? lock_chain_count+0x20/0x20 [ 172.844530][ T6080] ? __local_bh_enable_ip+0x13a/0x1c0 [ 172.850115][ T6080] ? lockdep_hardirqs_on+0x98/0x150 [ 172.855389][ T6080] ? __local_bh_enable_ip+0x13a/0x1c0 [ 172.860808][ T6080] ? _local_bh_enable+0xa0/0xa0 [ 172.865726][ T6080] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.870898][ T6080] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.876080][ T6080] ? __dev_queue_xmit+0x124f/0x36b0 [ 172.881331][ T6080] ? __dev_queue_xmit+0x26b/0x36b0 [ 172.886684][ T6080] ? ref_tracker_free+0x690/0x840 [ 172.891780][ T6080] netlink_rcv_skb+0x241/0x4d0 [ 172.896599][ T6080] ? rtnetlink_bind+0x80/0x80 [ 172.901310][ T6080] ? netlink_ack+0x1180/0x1180 [ 172.906142][ T6080] ? __lock_acquire+0x7d40/0x7d40 [ 172.911217][ T6080] ? netlink_deliver_tap+0x2e/0x1b0 [ 172.916481][ T6080] netlink_unicast+0x751/0x8d0 [ 172.921297][ T6080] netlink_sendmsg+0x8d0/0xbf0 [ 172.926107][ T6080] ? netlink_getsockopt+0x590/0x590 [ 172.931346][ T6080] ? aa_sock_msg_perm+0x94/0x150 [ 172.936312][ T6080] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 172.941656][ T6080] ? security_socket_sendmsg+0x80/0xa0 [ 172.947182][ T6080] ? netlink_getsockopt+0x590/0x590 [ 172.952459][ T6080] ____sys_sendmsg+0x5ba/0x960 [ 172.957293][ T6080] ? __asan_memset+0x22/0x40 [ 172.961949][ T6080] ? __sys_sendmsg_sock+0x30/0x30 [ 172.967028][ T6080] ? __import_iovec+0x5f2/0x850 [ 172.971949][ T6080] ? import_iovec+0x73/0xa0 [ 172.976505][ T6080] ___sys_sendmsg+0x2a6/0x360 [ 172.981254][ T6080] ? get_pid_task+0x20/0x1e0 [ 172.985896][ T6080] ? __sys_sendmsg+0x2a0/0x2a0 [ 172.990736][ T6080] ? file_end_write+0x250/0x250 [ 172.995719][ T6080] __se_sys_sendmsg+0x1c2/0x2b0 [ 173.000704][ T6080] ? __x64_sys_sendmsg+0x80/0x80 [ 173.005709][ T6080] ? lockdep_hardirqs_on+0x98/0x150 [ 173.011027][ T6080] do_syscall_64+0x55/0xa0 [ 173.015580][ T6080] ? clear_bhb_loop+0x40/0x90 [ 173.020294][ T6080] ? clear_bhb_loop+0x40/0x90 [ 173.025006][ T6080] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.030952][ T6080] RIP: 0033:0x7f5095f9acb9 [ 173.035394][ T6080] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 173.055297][ T6080] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 173.063760][ T6080] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 173.071799][ T6080] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 173.079813][ T6080] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 173.087825][ T6080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 173.095846][ T6080] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 173.103882][ T6080] [ 173.158385][ T6081] FAULT_INJECTION: forcing a failure. [ 173.158385][ T6081] name failslab, interval 1, probability 0, space 0, times 0 [ 173.177958][ T6082] FAULT_INJECTION: forcing a failure. [ 173.177958][ T6082] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 173.178860][ T6082] [ 173.178867][ T6082] ====================================================== [ 173.178873][ T6082] WARNING: possible circular locking dependency detected [ 173.178895][ T6082] syzkaller #0 Not tainted [ 173.178904][ T6082] ------------------------------------------------------ [ 173.178910][ T6082] syz.3.97/6082 is trying to acquire lock: [ 173.178920][ T6082] ffffffff8d126220 (console_owner){....}-{0:0}, at: console_flush_all+0x10a/0xd20 [ 173.178972][ T6082] [ 173.178972][ T6082] but task is already holding lock: [ 173.178977][ T6082] ffff8880b8f3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 173.179025][ T6082] [ 173.179025][ T6082] which lock already depends on the new lock. [ 173.179025][ T6082] [ 173.179031][ T6082] [ 173.179031][ T6082] the existing dependency chain (in reverse order) is: [ 173.179036][ T6082] [ 173.179036][ T6082] -> #5 (&rq->__lock){-.-.}-{2:2}: [ 173.179058][ T6082] _raw_spin_lock_nested+0x32/0x50 [ 173.179079][ T6082] raw_spin_rq_lock_nested+0x2a/0x140 [ 173.179105][ T6082] task_fork_fair+0x62/0x1f0 [ 173.179123][ T6082] sched_cgroup_fork+0x333/0x3c0 [ 173.179139][ T6082] copy_process+0x21fc/0x3d80 [ 173.179157][ T6082] kernel_clone+0x24b/0x8a0 [ 173.179175][ T6082] user_mode_thread+0x111/0x180 [ 173.179195][ T6082] rest_init+0x27/0x300 [ 173.179214][ T6082] arch_call_rest_init+0xe/0x10 [ 173.179234][ T6082] start_kernel+0x459/0x4e0 [ 173.179253][ T6082] x86_64_start_reservations+0x2a/0x30 [ 173.179271][ T6082] copy_bootdata+0x0/0xe0 [ 173.179286][ T6082] secondary_startup_64_no_verify+0x179/0x17b [ 173.179311][ T6082] [ 173.179311][ T6082] -> #4 (&p->pi_lock){-.-.}-{2:2}: [ 173.179334][ T6082] _raw_spin_lock_irqsave+0xb4/0x100 [ 173.179352][ T6082] try_to_wake_up+0x60/0x1190 [ 173.179368][ T6082] kick_pool+0x320/0x420 [ 173.179385][ T6082] create_worker+0x5e0/0x7d0 [ 173.179403][ T6082] workqueue_init+0x306/0x670 [ 173.179418][ T6082] kernel_init_freeable+0x3bb/0x580 [ 173.179439][ T6082] kernel_init+0x1d/0x1c0 [ 173.179458][ T6082] ret_from_fork+0x48/0x80 [ 173.179480][ T6082] ret_from_fork_asm+0x11/0x20 [ 173.179504][ T6082] [ 173.179504][ T6082] -> #3 (&pool->lock){-.-.}-{2:2}: [ 173.179526][ T6082] _raw_spin_lock+0x2e/0x40 [ 173.179542][ T6082] __queue_work+0x69f/0x1020 [ 173.179558][ T6082] queue_work_on+0x128/0x1f0 [ 173.179574][ T6082] rpm_suspend+0x111e/0x1af0 [ 173.179602][ T6082] __pm_runtime_idle+0x12f/0x1a0 [ 173.179628][ T6082] __device_attach+0x34c/0x420 [ 173.179644][ T6082] bus_probe_device+0x180/0x260 [ 173.179670][ T6082] device_add+0x85b/0xc20 [ 173.179690][ T6082] serial_base_port_add+0x2f2/0x420 [ 173.179711][ T6082] serial_core_register_port+0x37d/0x2360 [ 173.179728][ T6082] serial8250_register_8250_port+0x15ec/0x1f10 [ 173.179752][ T6082] serial_pnp_probe+0x570/0x750 [ 173.179775][ T6082] pnp_device_probe+0x305/0x4b0 [ 173.179803][ T6082] really_probe+0x25b/0xb20 [ 173.179820][ T6082] __driver_probe_device+0x18c/0x330 [ 173.179836][ T6082] driver_probe_device+0x4f/0x420 [ 173.179853][ T6082] __driver_attach+0x44e/0x6e0 [ 173.179869][ T6082] bus_for_each_dev+0x235/0x2b0 [ 173.179895][ T6082] bus_add_driver+0x340/0x630 [ 173.179921][ T6082] driver_register+0x23a/0x310 [ 173.179939][ T6082] serial8250_init+0x9a/0x170 [ 173.179957][ T6082] do_one_initcall+0x242/0x790 [ 173.179981][ T6082] do_initcall_level+0x137/0x1f0 [ 173.180002][ T6082] do_initcalls+0x69/0xd0 [ 173.180021][ T6082] kernel_init_freeable+0x3ed/0x580 [ 173.180042][ T6082] kernel_init+0x1d/0x1c0 [ 173.180062][ T6082] ret_from_fork+0x48/0x80 [ 173.180082][ T6082] ret_from_fork_asm+0x11/0x20 [ 173.180107][ T6082] [ 173.180107][ T6082] -> #2 (&dev->power.lock){-...}-{2:2}: [ 173.180135][ T6082] _raw_spin_lock_irqsave+0xb4/0x100 [ 173.180153][ T6082] __pm_runtime_resume+0x10f/0x170 [ 173.180179][ T6082] __uart_start+0x171/0x3e0 [ 173.180194][ T6082] uart_write+0x449/0x5d0 [ 173.180210][ T6082] n_tty_write+0xd34/0x11e0 [ 173.180235][ T6082] file_tty_write+0x54b/0x980 [ 173.180256][ T6082] vfs_write+0x46c/0x990 [ 173.180278][ T6082] ksys_write+0x150/0x260 [ 173.180301][ T6082] do_syscall_64+0x55/0xa0 [ 173.180325][ T6082] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.180343][ T6082] [ 173.180343][ T6082] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 173.180365][ T6082] _raw_spin_lock_irqsave+0xb4/0x100 [ 173.180382][ T6082] serial8250_console_write+0x175/0x17f0 [ 173.180408][ T6082] console_flush_all+0x6db/0xd20 [ 173.180428][ T6082] console_unlock+0xad/0x350 [ 173.180447][ T6082] vprintk_emit+0x497/0x610 [ 173.180463][ T6082] _printk+0xde/0x130 [ 173.180479][ T6082] register_console+0xae2/0xe50 [ 173.180496][ T6082] univ8250_console_init+0x45/0x50 [ 173.180513][ T6082] console_init+0x17b/0x5d0 [ 173.180529][ T6082] start_kernel+0x2c0/0x4e0 [ 173.180546][ T6082] x86_64_start_reservations+0x2a/0x30 [ 173.180560][ T6082] copy_bootdata+0x0/0xe0 [ 173.180572][ T6082] secondary_startup_64_no_verify+0x179/0x17b [ 173.180592][ T6082] [ 173.180592][ T6082] -> #0 (console_owner){....}-{0:0}: [ 173.180610][ T6082] __lock_acquire+0x2df1/0x7d40 [ 173.180626][ T6082] lock_acquire+0x19e/0x420 [ 173.180641][ T6082] console_flush_all+0x6a1/0xd20 [ 173.180658][ T6082] console_unlock+0xad/0x350 [ 173.180674][ T6082] vprintk_emit+0x497/0x610 [ 173.180691][ T6082] _printk+0xde/0x130 [ 173.180706][ T6082] should_fail_ex+0x37e/0x4d0 [ 173.180727][ T6082] strncpy_from_user+0x36/0x2d0 [ 173.180741][ T6082] strncpy_from_user_nofault+0x71/0x140 [ 173.180762][ T6082] bpf_probe_read_compat_str+0xe1/0x170 [ 173.180792][ T6082] bpf_prog_88d57d73ead2a882+0x45/0x47 [ 173.180806][ T6082] bpf_trace_run2+0x1d9/0x3e0 [ 173.180820][ T6082] __bpf_trace_tlb_flush+0x11e/0x160 [ 173.180835][ T6082] trace_tlb_flush+0xe6/0x110 [ 173.180853][ T6082] switch_mm_irqs_off+0x7bb/0xb40 [ 173.180872][ T6082] __schedule+0xf6f/0x45a0 [ 173.180894][ T6082] schedule+0xbd/0x170 [ 173.180913][ T6082] schedule_preempt_disabled+0x13/0x20 [ 173.180933][ T6082] __mutex_lock+0x6a9/0xcc0 [ 173.180953][ T6082] rtnetlink_rcv_msg+0x811/0xfa0 [ 173.180967][ T6082] netlink_rcv_skb+0x241/0x4d0 [ 173.180988][ T6082] netlink_unicast+0x751/0x8d0 [ 173.181006][ T6082] netlink_sendmsg+0x8d0/0xbf0 [ 173.181026][ T6082] ____sys_sendmsg+0x5ba/0x960 [ 173.181049][ T6082] ___sys_sendmsg+0x2a6/0x360 [ 173.181071][ T6082] __se_sys_sendmsg+0x1c2/0x2b0 [ 173.181094][ T6082] do_syscall_64+0x55/0xa0 [ 173.181113][ T6082] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.181128][ T6082] [ 173.181128][ T6082] other info that might help us debug this: [ 173.181128][ T6082] [ 173.181132][ T6082] Chain exists of: [ 173.181132][ T6082] console_owner --> &p->pi_lock --> &rq->__lock [ 173.181132][ T6082] [ 173.181154][ T6082] Possible unsafe locking scenario: [ 173.181154][ T6082] [ 173.181158][ T6082] CPU0 CPU1 [ 173.181162][ T6082] ---- ---- [ 173.181165][ T6082] lock(&rq->__lock); [ 173.181174][ T6082] lock(&p->pi_lock); [ 173.181183][ T6082] lock(&rq->__lock); [ 173.181193][ T6082] lock(console_owner); [ 173.181201][ T6082] [ 173.181201][ T6082] *** DEADLOCK *** [ 173.181201][ T6082] [ 173.181204][ T6082] 5 locks held by syz.3.97/6082: [ 173.181213][ T6082] #0: ffffffff8e3bfe08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x811/0xfa0 [ 173.181249][ T6082] #1: ffff8880b8f3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 173.181293][ T6082] #2: ffffffff8d131fe0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xe6/0x3e0 [ 173.181328][ T6082] #3: ffffffff8d126300 (console_lock){+.+.}-{0:0}, at: _printk+0xde/0x130 [ 173.181364][ T6082] #4: ffffffff8d00db10 (console_srcu){....}-{0:0}, at: console_flush_all+0x10a/0xd20 [ 173.181402][ T6082] [ 173.181402][ T6082] stack backtrace: [ 173.181408][ T6082] CPU: 1 PID: 6082 Comm: syz.3.97 Not tainted syzkaller #0 [ 173.181423][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 173.181432][ T6082] Call Trace: [ 173.181439][ T6082] [ 173.181445][ T6082] dump_stack_lvl+0x18c/0x250 [ 173.181468][ T6082] ? load_image+0x400/0x400 [ 173.181486][ T6082] ? show_regs_print_info+0x20/0x20 [ 173.181512][ T6082] ? print_circular_bug+0x12b/0x1a0 [ 173.181534][ T6082] check_noncircular+0x2fc/0x400 [ 173.181558][ T6082] ? print_deadlock_bug+0x5d0/0x5d0 [ 173.181576][ T6082] ? lockdep_lock+0xf5/0x230 [ 173.181599][ T6082] __lock_acquire+0x2df1/0x7d40 [ 173.181628][ T6082] ? verify_lock_unused+0x140/0x140 [ 173.181656][ T6082] lock_acquire+0x19e/0x420 [ 173.181673][ T6082] ? console_flush_all+0x10a/0xd20 [ 173.181696][ T6082] ? __lock_acquire+0x7d40/0x7d40 [ 173.181712][ T6082] ? do_raw_spin_lock+0x11f/0x2c0 [ 173.181733][ T6082] ? read_lock_is_recursive+0x20/0x20 [ 173.181751][ T6082] ? __rwlock_init+0x150/0x150 [ 173.181797][ T6082] ? do_raw_spin_unlock+0x121/0x230 [ 173.181818][ T6082] console_flush_all+0x6a1/0xd20 [ 173.181856][ T6082] ? console_flush_all+0x10a/0xd20 [ 173.181889][ T6082] ? console_flush_all+0x10a/0xd20 [ 173.181934][ T6082] ? do_raw_spin_unlock+0x121/0x230 [ 173.181973][ T6082] ? is_console_locked+0x20/0x20 [ 173.181997][ T6082] console_unlock+0xad/0x350 [ 173.182016][ T6082] ? other_cpu_in_panic+0xf0/0xf0 [ 173.182054][ T6082] ? __lock_acquire+0x1273/0x7d40 [ 173.182075][ T6082] vprintk_emit+0x497/0x610 [ 173.182094][ T6082] ? printk_sprint+0x460/0x460 [ 173.182118][ T6082] _printk+0xde/0x130 [ 173.182137][ T6082] ? load_image+0x400/0x400 [ 173.182155][ T6082] ? mark_lock+0x94/0x320 [ 173.182175][ T6082] should_fail_ex+0x37e/0x4d0 [ 173.182198][ T6082] strncpy_from_user+0x36/0x2d0 [ 173.182216][ T6082] strncpy_from_user_nofault+0x71/0x140 [ 173.182239][ T6082] bpf_probe_read_compat_str+0xe1/0x170 [ 173.182265][ T6082] bpf_prog_88d57d73ead2a882+0x45/0x47 [ 173.182280][ T6082] bpf_trace_run2+0x1d9/0x3e0 [ 173.182295][ T6082] ? bpf_trace_run2+0xe6/0x3e0 [ 173.182311][ T6082] ? bpf_trace_run1+0x3d0/0x3d0 [ 173.182326][ T6082] ? rcu_is_watching+0x15/0xb0 [ 173.182347][ T6082] ? __bpf_trace_tlb_flush+0xfd/0x160 [ 173.182364][ T6082] __bpf_trace_tlb_flush+0x11e/0x160 [ 173.182381][ T6082] ? perf_trace_tlb_flush+0x340/0x340 [ 173.182400][ T6082] ? __schedule+0x2176/0x45a0 [ 173.182422][ T6082] trace_tlb_flush+0xe6/0x110 [ 173.182442][ T6082] switch_mm_irqs_off+0x7bb/0xb40 [ 173.182466][ T6082] ? switch_mm+0x140/0x140 [ 173.182489][ T6082] __schedule+0xf6f/0x45a0 [ 173.182508][ T6082] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.182534][ T6082] ? asan.module_dtor+0x20/0x20 [ 173.182559][ T6082] ? __mutex_lock+0x6a4/0xcc0 [ 173.182582][ T6082] ? __mutex_trylock_common+0x8a/0x260 [ 173.182597][ T6082] ? trace_raw_output_contention_end+0xd0/0xd0 [ 173.182615][ T6082] schedule+0xbd/0x170 [ 173.182635][ T6082] schedule_preempt_disabled+0x13/0x20 [ 173.182656][ T6082] __mutex_lock+0x6a9/0xcc0 [ 173.182678][ T6082] ? __mutex_lock+0x4f9/0xcc0 [ 173.182701][ T6082] ? rtnetlink_rcv_msg+0x811/0xfa0 [ 173.182717][ T6082] ? mutex_lock_nested+0x20/0x20 [ 173.182745][ T6082] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 173.182760][ T6082] rtnetlink_rcv_msg+0x811/0xfa0 [ 173.182778][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 173.182801][ T6082] ? rtnetlink_bind+0x80/0x80 [ 173.182818][ T6082] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 173.182835][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 173.182855][ T6082] ? lock_chain_count+0x20/0x20 [ 173.182873][ T6082] ? __local_bh_enable_ip+0x13a/0x1c0 [ 173.182889][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 173.182905][ T6082] ? __local_bh_enable_ip+0x13a/0x1c0 [ 173.182920][ T6082] ? _local_bh_enable+0xa0/0xa0 [ 173.182955][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 173.182974][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 173.182993][ T6082] ? __dev_queue_xmit+0x124f/0x36b0 [ 173.183013][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 173.183041][ T6082] ? ref_tracker_free+0x690/0x840 [ 173.183062][ T6082] netlink_rcv_skb+0x241/0x4d0 [ 173.183085][ T6082] ? rtnetlink_bind+0x80/0x80 [ 173.183101][ T6082] ? netlink_ack+0x1180/0x1180 [ 173.183127][ T6082] ? __lock_acquire+0x7d40/0x7d40 [ 173.183148][ T6082] ? netlink_deliver_tap+0x2e/0x1b0 [ 173.183172][ T6082] netlink_unicast+0x751/0x8d0 [ 173.183198][ T6082] netlink_sendmsg+0x8d0/0xbf0 [ 173.183224][ T6082] ? netlink_getsockopt+0x590/0x590 [ 173.183248][ T6082] ? aa_sock_msg_perm+0x94/0x150 [ 173.183268][ T6082] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 173.183287][ T6082] ? security_socket_sendmsg+0x80/0xa0 [ 173.183305][ T6082] ? netlink_getsockopt+0x590/0x590 [ 173.183328][ T6082] ____sys_sendmsg+0x5ba/0x960 [ 173.183355][ T6082] ? __asan_memset+0x22/0x40 [ 173.183377][ T6082] ? __sys_sendmsg_sock+0x30/0x30 [ 173.183400][ T6082] ? __import_iovec+0x5f2/0x850 [ 173.183428][ T6082] ? import_iovec+0x73/0xa0 [ 173.183453][ T6082] ___sys_sendmsg+0x2a6/0x360 [ 173.183477][ T6082] ? get_pid_task+0x20/0x1e0 [ 173.183500][ T6082] ? __sys_sendmsg+0x2a0/0x2a0 [ 173.183540][ T6082] ? file_end_write+0x250/0x250 [ 173.183566][ T6082] __se_sys_sendmsg+0x1c2/0x2b0 [ 173.183592][ T6082] ? __x64_sys_sendmsg+0x80/0x80 [ 173.183622][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 173.183640][ T6082] do_syscall_64+0x55/0xa0 [ 173.183660][ T6082] ? clear_bhb_loop+0x40/0x90 [ 173.183676][ T6082] ? clear_bhb_loop+0x40/0x90 [ 173.183694][ T6082] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.183710][ T6082] RIP: 0033:0x7f08d019acb9 [ 173.183723][ T6082] Code: Unable to access opcode bytes at 0x7f08d019ac8f. [ 173.183731][ T6082] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 173.183746][ T6082] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 173.183758][ T6082] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 173.183769][ T6082] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 173.183779][ T6082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 173.183794][ T6082] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 173.183812][ T6082] [ 174.581659][ T6082] CPU: 1 PID: 6082 Comm: syz.3.97 Not tainted syzkaller #0 [ 174.588916][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 174.598992][ T6082] Call Trace: [ 174.602291][ T6082] [ 174.605241][ T6082] dump_stack_lvl+0x18c/0x250 [ 174.609958][ T6082] ? show_regs_print_info+0x20/0x20 [ 174.615198][ T6082] ? load_image+0x400/0x400 [ 174.619751][ T6082] ? mark_lock+0x94/0x320 [ 174.624107][ T6082] should_fail_ex+0x39d/0x4d0 [ 174.628904][ T6082] strncpy_from_user+0x36/0x2d0 [ 174.633786][ T6082] strncpy_from_user_nofault+0x71/0x140 [ 174.639366][ T6082] bpf_probe_read_compat_str+0xe1/0x170 [ 174.644949][ T6082] bpf_prog_88d57d73ead2a882+0x45/0x47 [ 174.650522][ T6082] bpf_trace_run2+0x1d9/0x3e0 [ 174.655227][ T6082] ? bpf_trace_run2+0xe6/0x3e0 [ 174.660101][ T6082] ? bpf_trace_run1+0x3d0/0x3d0 [ 174.664974][ T6082] ? rcu_is_watching+0x15/0xb0 [ 174.669776][ T6082] ? __bpf_trace_tlb_flush+0xfd/0x160 [ 174.675179][ T6082] __bpf_trace_tlb_flush+0x11e/0x160 [ 174.680491][ T6082] ? perf_trace_tlb_flush+0x340/0x340 [ 174.685888][ T6082] ? __schedule+0x2176/0x45a0 [ 174.690600][ T6082] trace_tlb_flush+0xe6/0x110 [ 174.695378][ T6082] switch_mm_irqs_off+0x7bb/0xb40 [ 174.700440][ T6082] ? switch_mm+0x140/0x140 [ 174.704916][ T6082] __schedule+0xf6f/0x45a0 [ 174.709387][ T6082] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 174.715531][ T6082] ? asan.module_dtor+0x20/0x20 [ 174.720422][ T6082] ? __mutex_lock+0x6a4/0xcc0 [ 174.725152][ T6082] ? __mutex_trylock_common+0x8a/0x260 [ 174.730669][ T6082] ? trace_raw_output_contention_end+0xd0/0xd0 [ 174.736864][ T6082] schedule+0xbd/0x170 [ 174.740975][ T6082] schedule_preempt_disabled+0x13/0x20 [ 174.746483][ T6082] __mutex_lock+0x6a9/0xcc0 [ 174.751054][ T6082] ? __mutex_lock+0x4f9/0xcc0 [ 174.755777][ T6082] ? rtnetlink_rcv_msg+0x811/0xfa0 [ 174.760921][ T6082] ? mutex_lock_nested+0x20/0x20 [ 174.765918][ T6082] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 174.771075][ T6082] rtnetlink_rcv_msg+0x811/0xfa0 [ 174.776063][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 174.781378][ T6082] ? rtnetlink_bind+0x80/0x80 [ 174.786099][ T6082] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 174.792133][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 174.797283][ T6082] ? lock_chain_count+0x20/0x20 [ 174.802185][ T6082] ? __local_bh_enable_ip+0x13a/0x1c0 [ 174.807695][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 174.812951][ T6082] ? __local_bh_enable_ip+0x13a/0x1c0 [ 174.818454][ T6082] ? _local_bh_enable+0xa0/0xa0 [ 174.823447][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 174.828742][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 174.833909][ T6082] ? __dev_queue_xmit+0x124f/0x36b0 [ 174.839155][ T6082] ? __dev_queue_xmit+0x26b/0x36b0 [ 174.844329][ T6082] ? ref_tracker_free+0x690/0x840 [ 174.849454][ T6082] netlink_rcv_skb+0x241/0x4d0 [ 174.854350][ T6082] ? rtnetlink_bind+0x80/0x80 [ 174.859073][ T6082] ? netlink_ack+0x1180/0x1180 [ 174.863909][ T6082] ? __lock_acquire+0x7d40/0x7d40 [ 174.868979][ T6082] ? netlink_deliver_tap+0x2e/0x1b0 [ 174.874217][ T6082] netlink_unicast+0x751/0x8d0 [ 174.879031][ T6082] netlink_sendmsg+0x8d0/0xbf0 [ 174.883862][ T6082] ? netlink_getsockopt+0x590/0x590 [ 174.889113][ T6082] ? aa_sock_msg_perm+0x94/0x150 [ 174.894092][ T6082] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 174.899426][ T6082] ? security_socket_sendmsg+0x80/0xa0 [ 174.904928][ T6082] ? netlink_getsockopt+0x590/0x590 [ 174.910401][ T6082] ____sys_sendmsg+0x5ba/0x960 [ 174.915232][ T6082] ? __asan_memset+0x22/0x40 [ 174.919950][ T6082] ? __sys_sendmsg_sock+0x30/0x30 [ 174.925045][ T6082] ? __import_iovec+0x5f2/0x850 [ 174.929952][ T6082] ? import_iovec+0x73/0xa0 [ 174.934692][ T6082] ___sys_sendmsg+0x2a6/0x360 [ 174.939430][ T6082] ? get_pid_task+0x20/0x1e0 [ 174.944091][ T6082] ? __sys_sendmsg+0x2a0/0x2a0 [ 174.948943][ T6082] ? file_end_write+0x250/0x250 [ 174.953853][ T6082] __se_sys_sendmsg+0x1c2/0x2b0 [ 174.958769][ T6082] ? __x64_sys_sendmsg+0x80/0x80 [ 174.963770][ T6082] ? lockdep_hardirqs_on+0x98/0x150 [ 174.969006][ T6082] do_syscall_64+0x55/0xa0 [ 174.973476][ T6082] ? clear_bhb_loop+0x40/0x90 [ 174.978193][ T6082] ? clear_bhb_loop+0x40/0x90 [ 174.982928][ T6082] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 174.988876][ T6082] RIP: 0033:0x7f08d019acb9 [ 174.993428][ T6082] Code: Unable to access opcode bytes at 0x7f08d019ac8f. [ 175.000619][ T6082] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.009257][ T6082] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 175.017269][ T6082] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 175.025399][ T6082] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 175.033423][ T6082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 175.041652][ T6082] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 175.049693][ T6082] 2026/01/22 00:33:39 executed programs: 88 [ 175.059817][ T6081] CPU: 1 PID: 6081 Comm: syz.1.96 Not tainted syzkaller #0 [ 175.067238][ T6081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 175.077340][ T6081] Call Trace: [ 175.080676][ T6081] [ 175.083664][ T6081] dump_stack_lvl+0x18c/0x250 [ 175.088415][ T6081] ? show_regs_print_info+0x20/0x20 [ 175.093677][ T6081] ? load_image+0x400/0x400 [ 175.098254][ T6081] should_fail_ex+0x39d/0x4d0 [ 175.103084][ T6081] should_failslab+0x9/0x20 [ 175.107655][ T6081] slab_pre_alloc_hook+0x59/0x310 [ 175.112866][ T6081] kmem_cache_alloc_node+0x60/0x320 [ 175.118138][ T6081] ? __alloc_skb+0x103/0x2c0 [ 175.122807][ T6081] __alloc_skb+0x103/0x2c0 [ 175.127316][ T6081] rtnl_bridge_notify+0xa1/0x250 [ 175.132324][ T6081] rtnl_bridge_setlink+0x697/0x7d0 [ 175.137496][ T6081] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 175.143105][ T6081] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 175.148349][ T6081] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 175.153516][ T6081] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 175.158862][ T6081] rtnetlink_rcv_msg+0x869/0xfa0 [ 175.163862][ T6081] ? lockdep_hardirqs_on+0x98/0x150 [ 175.169129][ T6081] ? rtnetlink_bind+0x80/0x80 [ 175.173876][ T6081] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 175.179931][ T6081] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.185109][ T6081] ? lock_chain_count+0x20/0x20 [ 175.190024][ T6081] ? __local_bh_enable_ip+0x13a/0x1c0 [ 175.195449][ T6081] ? lockdep_hardirqs_on+0x98/0x150 [ 175.200883][ T6081] ? __local_bh_enable_ip+0x13a/0x1c0 [ 175.206487][ T6081] ? _local_bh_enable+0xa0/0xa0 [ 175.211398][ T6081] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.216576][ T6081] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.221950][ T6081] ? __dev_queue_xmit+0x124f/0x36b0 [ 175.227208][ T6081] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.232405][ T6081] ? ref_tracker_free+0x690/0x840 [ 175.237503][ T6081] netlink_rcv_skb+0x241/0x4d0 [ 175.242350][ T6081] ? rtnetlink_bind+0x80/0x80 [ 175.247139][ T6081] ? netlink_ack+0x1180/0x1180 [ 175.251972][ T6081] ? __lock_acquire+0x7d40/0x7d40 [ 175.257056][ T6081] ? netlink_deliver_tap+0x2e/0x1b0 [ 175.262327][ T6081] netlink_unicast+0x751/0x8d0 [ 175.267174][ T6081] netlink_sendmsg+0x8d0/0xbf0 [ 175.272019][ T6081] ? netlink_getsockopt+0x590/0x590 [ 175.277288][ T6081] ? aa_sock_msg_perm+0x94/0x150 [ 175.282284][ T6081] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 175.287626][ T6081] ? security_socket_sendmsg+0x80/0xa0 [ 175.293180][ T6081] ? netlink_getsockopt+0x590/0x590 [ 175.298498][ T6081] ____sys_sendmsg+0x5ba/0x960 [ 175.303623][ T6081] ? __asan_memset+0x22/0x40 [ 175.308325][ T6081] ? __sys_sendmsg_sock+0x30/0x30 [ 175.313461][ T6081] ? __import_iovec+0x5f2/0x850 [ 175.318385][ T6081] ? import_iovec+0x73/0xa0 [ 175.322971][ T6081] ___sys_sendmsg+0x2a6/0x360 [ 175.327710][ T6081] ? get_pid_task+0x20/0x1e0 [ 175.332374][ T6081] ? __sys_sendmsg+0x2a0/0x2a0 [ 175.337471][ T6081] ? file_end_write+0x250/0x250 [ 175.342630][ T6081] __se_sys_sendmsg+0x1c2/0x2b0 [ 175.347716][ T6081] ? __x64_sys_sendmsg+0x80/0x80 [ 175.353015][ T6081] ? lockdep_hardirqs_on+0x98/0x150 [ 175.358256][ T6081] do_syscall_64+0x55/0xa0 [ 175.363761][ T6081] ? clear_bhb_loop+0x40/0x90 [ 175.368490][ T6081] ? clear_bhb_loop+0x40/0x90 [ 175.373230][ T6081] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 175.379164][ T6081] RIP: 0033:0x7fd627b9acb9 [ 175.383707][ T6081] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 175.404490][ T6081] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.412966][ T6081] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 175.420995][ T6081] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 175.429002][ T6081] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 175.437001][ T6081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 175.444997][ T6081] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 175.453015][ T6081] [ 175.480004][ T6083] FAULT_INJECTION: forcing a failure. [ 175.480004][ T6083] name failslab, interval 1, probability 0, space 0, times 0 [ 175.504100][ T6083] CPU: 0 PID: 6083 Comm: syz.0.98 Not tainted syzkaller #0 [ 175.511402][ T6083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 175.521513][ T6083] Call Trace: [ 175.524833][ T6083] [ 175.527798][ T6083] dump_stack_lvl+0x18c/0x250 [ 175.532528][ T6083] ? show_regs_print_info+0x20/0x20 [ 175.537775][ T6083] ? load_image+0x400/0x400 [ 175.542341][ T6083] should_fail_ex+0x39d/0x4d0 [ 175.547080][ T6083] should_failslab+0x9/0x20 [ 175.551638][ T6083] slab_pre_alloc_hook+0x59/0x310 [ 175.556314][ T6084] FAULT_INJECTION: forcing a failure. [ 175.556314][ T6084] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 175.556699][ T6083] kmem_cache_alloc_node+0x60/0x320 [ 175.575068][ T6083] ? __alloc_skb+0x103/0x2c0 [ 175.579753][ T6083] __alloc_skb+0x103/0x2c0 [ 175.584216][ T6083] rtnl_bridge_notify+0xa1/0x250 [ 175.589446][ T6083] rtnl_bridge_setlink+0x697/0x7d0 [ 175.594596][ T6083] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 175.599930][ T6083] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 175.605683][ T6083] ? security_capable+0x89/0xb0 [ 175.610588][ T6083] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 175.615755][ T6083] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 175.621089][ T6083] rtnetlink_rcv_msg+0x869/0xfa0 [ 175.626072][ T6083] ? rtnetlink_bind+0x80/0x80 [ 175.630778][ T6083] ? slab_free_freelist_hook+0x130/0x1a0 [ 175.636440][ T6083] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.641840][ T6083] ? rcu_is_watching+0x15/0xb0 [ 175.646728][ T6083] ? lock_chain_count+0x20/0x20 [ 175.651606][ T6083] ? lock_release+0xb5/0x8c0 [ 175.656260][ T6083] ? rcu_is_watching+0x15/0xb0 [ 175.661054][ T6083] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.666193][ T6083] ? __local_bh_enable_ip+0x13a/0x1c0 [ 175.671660][ T6083] ? _local_bh_enable+0xa0/0xa0 [ 175.676539][ T6083] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.681685][ T6083] ? __dev_queue_xmit+0x124f/0x36b0 [ 175.686925][ T6083] ? __dev_queue_xmit+0x26b/0x36b0 [ 175.692106][ T6083] ? ref_tracker_free+0x690/0x840 [ 175.697199][ T6083] netlink_rcv_skb+0x241/0x4d0 [ 175.702005][ T6083] ? rtnetlink_bind+0x80/0x80 [ 175.706711][ T6083] ? netlink_ack+0x1180/0x1180 [ 175.711504][ T6083] ? rcu_is_watching+0x15/0xb0 [ 175.716571][ T6083] ? __lock_acquire+0x7d40/0x7d40 [ 175.721622][ T6083] ? netlink_deliver_tap+0x2e/0x1b0 [ 175.726878][ T6083] ? netlink_deliver_tap+0x2e/0x1b0 [ 175.732115][ T6083] netlink_unicast+0x751/0x8d0 [ 175.736920][ T6083] netlink_sendmsg+0x8d0/0xbf0 [ 175.741722][ T6083] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 175.747816][ T6083] ? netlink_getsockopt+0x590/0x590 [ 175.753048][ T6083] ? aa_sock_msg_perm+0x94/0x150 [ 175.758018][ T6083] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 175.763330][ T6083] ? security_socket_sendmsg+0x80/0xa0 [ 175.768809][ T6083] ? netlink_getsockopt+0x590/0x590 [ 175.774050][ T6083] ____sys_sendmsg+0x5ba/0x960 [ 175.778848][ T6083] ? __might_sleep+0xe0/0xe0 [ 175.783472][ T6083] ? __asan_memset+0x22/0x40 [ 175.788094][ T6083] ? __sys_sendmsg_sock+0x30/0x30 [ 175.793147][ T6083] ? __import_iovec+0x5f2/0x850 [ 175.798055][ T6083] ? import_iovec+0x73/0xa0 [ 175.802595][ T6083] ___sys_sendmsg+0x2a6/0x360 [ 175.807328][ T6083] ? __sys_sendmsg+0x2a0/0x2a0 [ 175.812209][ T6083] ? lock_release+0xb5/0x8c0 [ 175.816827][ T6083] ? get_pid_task+0x20/0x1e0 [ 175.821450][ T6083] ? get_pid_task+0x20/0x1e0 [ 175.826074][ T6083] ? preempt_count_add+0x91/0x1a0 [ 175.831135][ T6083] ? file_end_write+0x250/0x250 [ 175.836033][ T6083] __se_sys_sendmsg+0x1c2/0x2b0 [ 175.840942][ T6083] ? __x64_sys_sendmsg+0x80/0x80 [ 175.845944][ T6083] ? __fdget_pos+0x2ba/0x330 [ 175.850570][ T6083] do_syscall_64+0x55/0xa0 [ 175.855020][ T6083] ? clear_bhb_loop+0x40/0x90 [ 175.859721][ T6083] ? clear_bhb_loop+0x40/0x90 [ 175.864604][ T6083] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 175.870677][ T6083] RIP: 0033:0x7f855ad9acb9 [ 175.875132][ T6083] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 175.895257][ T6083] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.903725][ T6083] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 175.911755][ T6083] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 175.919759][ T6083] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 175.927753][ T6083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 175.935742][ T6083] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 175.944209][ T6083] [ 175.947354][ T6084] CPU: 1 PID: 6084 Comm: syz.2.99 Not tainted syzkaller #0 [ 175.954612][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 175.964784][ T6084] Call Trace: [ 175.968100][ T6084] [ 175.971179][ T6084] dump_stack_lvl+0x18c/0x250 [ 175.975928][ T6084] ? show_regs_print_info+0x20/0x20 [ 175.981151][ T6084] ? load_image+0x400/0x400 [ 175.985674][ T6084] ? cmp_ex_search+0x1e/0x80 [ 175.990315][ T6084] should_fail_ex+0x39d/0x4d0 [ 175.995105][ T6084] strncpy_from_user+0x36/0x2d0 [ 175.999981][ T6084] strncpy_from_user_nofault+0x71/0x140 [ 176.005549][ T6084] bpf_probe_read_compat_str+0xe1/0x170 [ 176.011220][ T6084] bpf_prog_88d57d73ead2a882+0x45/0x47 [ 176.016682][ T6084] bpf_trace_run2+0x1d9/0x3e0 [ 176.021359][ T6084] ? bpf_trace_run2+0xe6/0x3e0 [ 176.026128][ T6084] ? bpf_trace_run1+0x3d0/0x3d0 [ 176.030984][ T6084] ? __bpf_trace_tlb_flush+0xfd/0x160 [ 176.036360][ T6084] __bpf_trace_tlb_flush+0x11e/0x160 [ 176.041673][ T6084] ? perf_trace_tlb_flush+0x340/0x340 [ 176.047049][ T6084] ? rcu_qs+0xd4/0x170 [ 176.051130][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.055987][ T6084] ? lock_release+0xb5/0x8c0 [ 176.060586][ T6084] ? sched_clock+0x3f/0x60 [ 176.065010][ T6084] ? perf_trace_tlb_flush+0x340/0x340 [ 176.070383][ T6084] __traceiter_tlb_flush+0x6d/0xc0 [ 176.075532][ T6084] trace_tlb_flush+0xe6/0x110 [ 176.080221][ T6084] switch_mm_irqs_off+0x7bb/0xb40 [ 176.085255][ T6084] ? switch_mm+0x140/0x140 [ 176.089680][ T6084] __schedule+0xf6f/0x45a0 [ 176.094106][ T6084] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.100182][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.105055][ T6084] ? asan.module_dtor+0x20/0x20 [ 176.109918][ T6084] ? mutex_spin_on_owner+0x27e/0x340 [ 176.115211][ T6084] ? kasan_check_range+0x7c/0x290 [ 176.120275][ T6084] ? mutex_spin_on_owner+0x196/0x340 [ 176.125569][ T6084] schedule+0xbd/0x170 [ 176.129651][ T6084] schedule_preempt_disabled+0x13/0x20 [ 176.135139][ T6084] __mutex_lock+0x3b4/0xcc0 [ 176.139652][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.144516][ T6084] ? lock_release+0xb5/0x8c0 [ 176.149114][ T6084] ? rtnetlink_rcv_msg+0x811/0xfa0 [ 176.154252][ T6084] ? mutex_lock_nested+0x20/0x20 [ 176.159211][ T6084] ? bpf_lsm_capable+0x9/0x10 [ 176.163946][ T6084] ? security_capable+0x89/0xb0 [ 176.168825][ T6084] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 176.173946][ T6084] rtnetlink_rcv_msg+0x811/0xfa0 [ 176.178900][ T6084] ? rtnetlink_bind+0x80/0x80 [ 176.183613][ T6084] ? slab_free_freelist_hook+0x130/0x1a0 [ 176.189258][ T6084] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.194395][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.199166][ T6084] ? lock_chain_count+0x20/0x20 [ 176.204283][ T6084] ? lock_release+0xb5/0x8c0 [ 176.208880][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.213655][ T6084] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.218778][ T6084] ? __local_bh_enable_ip+0x13a/0x1c0 [ 176.224157][ T6084] ? _local_bh_enable+0xa0/0xa0 [ 176.229011][ T6084] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.234130][ T6084] ? __dev_queue_xmit+0x124f/0x36b0 [ 176.239336][ T6084] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.244463][ T6084] ? ref_tracker_free+0x690/0x840 [ 176.249500][ T6084] netlink_rcv_skb+0x241/0x4d0 [ 176.254273][ T6084] ? rtnetlink_bind+0x80/0x80 [ 176.258957][ T6084] ? netlink_ack+0x1180/0x1180 [ 176.263729][ T6084] ? rcu_is_watching+0x15/0xb0 [ 176.268613][ T6084] ? __lock_acquire+0x7d40/0x7d40 [ 176.273736][ T6084] ? netlink_deliver_tap+0x2e/0x1b0 [ 176.278941][ T6084] ? netlink_deliver_tap+0x2e/0x1b0 [ 176.284151][ T6084] netlink_unicast+0x751/0x8d0 [ 176.288932][ T6084] netlink_sendmsg+0x8d0/0xbf0 [ 176.293710][ T6084] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.299898][ T6084] ? netlink_getsockopt+0x590/0x590 [ 176.305114][ T6084] ? aa_sock_msg_perm+0x94/0x150 [ 176.310069][ T6084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 176.315360][ T6084] ? security_socket_sendmsg+0x80/0xa0 [ 176.320945][ T6084] ? netlink_getsockopt+0x590/0x590 [ 176.326172][ T6084] ____sys_sendmsg+0x5ba/0x960 [ 176.330959][ T6084] ? __might_sleep+0xe0/0xe0 [ 176.335574][ T6084] ? __asan_memset+0x22/0x40 [ 176.340176][ T6084] ? __sys_sendmsg_sock+0x30/0x30 [ 176.345223][ T6084] ? __import_iovec+0x5f2/0x850 [ 176.350114][ T6084] ? import_iovec+0x73/0xa0 [ 176.354674][ T6084] ___sys_sendmsg+0x2a6/0x360 [ 176.359416][ T6084] ? __sys_sendmsg+0x2a0/0x2a0 [ 176.364290][ T6084] ? lock_release+0xb5/0x8c0 [ 176.368989][ T6084] ? get_pid_task+0x20/0x1e0 [ 176.373700][ T6084] ? get_pid_task+0x20/0x1e0 [ 176.378327][ T6084] ? preempt_count_add+0x91/0x1a0 [ 176.383370][ T6084] ? file_end_write+0x250/0x250 [ 176.388358][ T6084] __se_sys_sendmsg+0x1c2/0x2b0 [ 176.393227][ T6084] ? __x64_sys_sendmsg+0x80/0x80 [ 176.398182][ T6084] ? __fdget_pos+0x2ba/0x330 [ 176.402809][ T6084] do_syscall_64+0x55/0xa0 [ 176.407231][ T6084] ? clear_bhb_loop+0x40/0x90 [ 176.411935][ T6084] ? clear_bhb_loop+0x40/0x90 [ 176.416649][ T6084] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.422564][ T6084] RIP: 0033:0x7f5095f9acb9 [ 176.427002][ T6084] Code: Unable to access opcode bytes at 0x7f5095f9ac8f. [ 176.434105][ T6084] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 176.442609][ T6084] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 176.450588][ T6084] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 176.458581][ T6084] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 176.466663][ T6084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 176.474644][ T6084] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 176.482642][ T6084] [ 176.544483][ T6085] FAULT_INJECTION: forcing a failure. [ 176.544483][ T6085] name failslab, interval 1, probability 0, space 0, times 0 [ 176.582821][ T6085] CPU: 1 PID: 6085 Comm: syz.3.102 Not tainted syzkaller #0 [ 176.590197][ T6085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 176.600411][ T6085] Call Trace: [ 176.603781][ T6085] [ 176.606745][ T6085] dump_stack_lvl+0x18c/0x250 [ 176.611482][ T6085] ? show_regs_print_info+0x20/0x20 [ 176.616738][ T6085] ? load_image+0x400/0x400 [ 176.621291][ T6085] should_fail_ex+0x39d/0x4d0 [ 176.626031][ T6085] should_failslab+0x9/0x20 [ 176.630591][ T6085] slab_pre_alloc_hook+0x59/0x310 [ 176.635673][ T6085] kmem_cache_alloc_node+0x60/0x320 [ 176.640921][ T6085] ? __alloc_skb+0x103/0x2c0 [ 176.645593][ T6085] __alloc_skb+0x103/0x2c0 [ 176.650244][ T6085] rtnl_bridge_notify+0xa1/0x250 [ 176.655222][ T6085] rtnl_bridge_setlink+0x697/0x7d0 [ 176.660369][ T6085] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 176.665683][ T6085] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 176.671441][ T6085] ? security_capable+0x89/0xb0 [ 176.676331][ T6085] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 176.681471][ T6085] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 176.686795][ T6085] rtnetlink_rcv_msg+0x869/0xfa0 [ 176.691798][ T6085] ? rtnetlink_bind+0x80/0x80 [ 176.696501][ T6085] ? slab_free_freelist_hook+0x130/0x1a0 [ 176.702168][ T6085] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.707436][ T6085] ? rcu_is_watching+0x15/0xb0 [ 176.712245][ T6085] ? lock_chain_count+0x20/0x20 [ 176.717251][ T6085] ? lock_release+0xb5/0x8c0 [ 176.721908][ T6085] ? rcu_is_watching+0x15/0xb0 [ 176.726719][ T6085] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.731875][ T6085] ? __local_bh_enable_ip+0x13a/0x1c0 [ 176.737289][ T6085] ? _local_bh_enable+0xa0/0xa0 [ 176.742170][ T6085] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.747319][ T6085] ? __dev_queue_xmit+0x124f/0x36b0 [ 176.752547][ T6085] ? __dev_queue_xmit+0x26b/0x36b0 [ 176.757702][ T6085] ? ref_tracker_free+0x690/0x840 [ 176.762756][ T6085] netlink_rcv_skb+0x241/0x4d0 [ 176.767554][ T6085] ? rtnetlink_bind+0x80/0x80 [ 176.772262][ T6085] ? netlink_ack+0x1180/0x1180 [ 176.777054][ T6085] ? rcu_is_watching+0x15/0xb0 [ 176.781857][ T6085] ? __lock_acquire+0x7d40/0x7d40 [ 176.786995][ T6085] ? netlink_deliver_tap+0x2e/0x1b0 [ 176.792261][ T6085] ? netlink_deliver_tap+0x2e/0x1b0 [ 176.797497][ T6085] netlink_unicast+0x751/0x8d0 [ 176.802405][ T6085] netlink_sendmsg+0x8d0/0xbf0 [ 176.807288][ T6085] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.813383][ T6085] ? netlink_getsockopt+0x590/0x590 [ 176.818643][ T6085] ? aa_sock_msg_perm+0x94/0x150 [ 176.823625][ T6085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 176.828942][ T6085] ? security_socket_sendmsg+0x80/0xa0 [ 176.834453][ T6085] ? netlink_getsockopt+0x590/0x590 [ 176.839686][ T6085] ____sys_sendmsg+0x5ba/0x960 [ 176.844492][ T6085] ? __might_sleep+0xe0/0xe0 [ 176.849137][ T6085] ? __asan_memset+0x22/0x40 [ 176.853770][ T6085] ? __sys_sendmsg_sock+0x30/0x30 [ 176.858843][ T6085] ? __import_iovec+0x5f2/0x850 [ 176.863744][ T6085] ? import_iovec+0x73/0xa0 [ 176.868283][ T6085] ___sys_sendmsg+0x2a6/0x360 [ 176.872996][ T6085] ? __sys_sendmsg+0x2a0/0x2a0 [ 176.877789][ T6085] ? lock_release+0xb5/0x8c0 [ 176.882540][ T6085] ? get_pid_task+0x20/0x1e0 [ 176.887170][ T6085] ? get_pid_task+0x20/0x1e0 [ 176.891814][ T6085] ? preempt_count_add+0x91/0x1a0 [ 176.896969][ T6085] ? file_end_write+0x250/0x250 [ 176.901864][ T6085] __se_sys_sendmsg+0x1c2/0x2b0 [ 176.906763][ T6085] ? __x64_sys_sendmsg+0x80/0x80 [ 176.911754][ T6085] ? __fdget_pos+0x2ba/0x330 [ 176.916401][ T6085] do_syscall_64+0x55/0xa0 [ 176.920872][ T6085] ? clear_bhb_loop+0x40/0x90 [ 176.925591][ T6085] ? clear_bhb_loop+0x40/0x90 [ 176.930333][ T6085] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.936253][ T6085] RIP: 0033:0x7f08d019acb9 [ 176.940697][ T6085] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 176.961217][ T6085] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 176.969672][ T6085] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 176.977775][ T6085] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 176.985778][ T6085] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 176.993801][ T6085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 177.001897][ T6085] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 177.009924][ T6085] [ 177.032297][ T6087] FAULT_INJECTION: forcing a failure. [ 177.032297][ T6087] name failslab, interval 1, probability 0, space 0, times 0 [ 177.056989][ T6087] CPU: 1 PID: 6087 Comm: syz.1.100 Not tainted syzkaller #0 [ 177.064362][ T6087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 177.074433][ T6087] Call Trace: [ 177.077740][ T6087] [ 177.080719][ T6087] dump_stack_lvl+0x18c/0x250 [ 177.085442][ T6087] ? show_regs_print_info+0x20/0x20 [ 177.090679][ T6087] ? load_image+0x400/0x400 [ 177.095256][ T6087] should_fail_ex+0x39d/0x4d0 [ 177.100005][ T6087] should_failslab+0x9/0x20 [ 177.104564][ T6087] slab_pre_alloc_hook+0x59/0x310 [ 177.109644][ T6087] kmem_cache_alloc_node+0x60/0x320 [ 177.114952][ T6087] ? __alloc_skb+0x103/0x2c0 [ 177.119575][ T6087] __alloc_skb+0x103/0x2c0 [ 177.124029][ T6087] rtnl_bridge_notify+0xa1/0x250 [ 177.129005][ T6087] rtnl_bridge_setlink+0x697/0x7d0 [ 177.134149][ T6087] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 177.139455][ T6087] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 177.145223][ T6087] ? security_capable+0x89/0xb0 [ 177.150123][ T6087] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 177.155435][ T6087] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 177.160748][ T6087] rtnetlink_rcv_msg+0x869/0xfa0 [ 177.165833][ T6087] ? rtnetlink_bind+0x80/0x80 [ 177.170567][ T6087] ? slab_free_freelist_hook+0x130/0x1a0 [ 177.176367][ T6087] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.181520][ T6087] ? rcu_is_watching+0x15/0xb0 [ 177.186444][ T6087] ? lock_chain_count+0x20/0x20 [ 177.191406][ T6087] ? lock_release+0xb5/0x8c0 [ 177.196038][ T6087] ? rcu_is_watching+0x15/0xb0 [ 177.200833][ T6087] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.206066][ T6087] ? __local_bh_enable_ip+0x13a/0x1c0 [ 177.211466][ T6087] ? _local_bh_enable+0xa0/0xa0 [ 177.216443][ T6087] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.221587][ T6087] ? __dev_queue_xmit+0x124f/0x36b0 [ 177.226817][ T6087] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.232041][ T6087] ? ref_tracker_free+0x690/0x840 [ 177.237121][ T6087] netlink_rcv_skb+0x241/0x4d0 [ 177.241916][ T6087] ? rtnetlink_bind+0x80/0x80 [ 177.246618][ T6087] ? netlink_ack+0x1180/0x1180 [ 177.251523][ T6087] ? rcu_is_watching+0x15/0xb0 [ 177.256498][ T6087] ? __lock_acquire+0x7d40/0x7d40 [ 177.261551][ T6087] ? netlink_deliver_tap+0x2e/0x1b0 [ 177.266776][ T6087] ? netlink_deliver_tap+0x2e/0x1b0 [ 177.272021][ T6087] netlink_unicast+0x751/0x8d0 [ 177.276817][ T6087] netlink_sendmsg+0x8d0/0xbf0 [ 177.281606][ T6087] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 177.287700][ T6087] ? netlink_getsockopt+0x590/0x590 [ 177.292973][ T6087] ? aa_sock_msg_perm+0x94/0x150 [ 177.297943][ T6087] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 177.303253][ T6087] ? security_socket_sendmsg+0x80/0xa0 [ 177.308756][ T6087] ? netlink_getsockopt+0x590/0x590 [ 177.314001][ T6087] ____sys_sendmsg+0x5ba/0x960 [ 177.318813][ T6087] ? __might_sleep+0xe0/0xe0 [ 177.323432][ T6087] ? __asan_memset+0x22/0x40 [ 177.328074][ T6087] ? __sys_sendmsg_sock+0x30/0x30 [ 177.333163][ T6087] ? __import_iovec+0x5f2/0x850 [ 177.338061][ T6087] ? import_iovec+0x73/0xa0 [ 177.342602][ T6087] ___sys_sendmsg+0x2a6/0x360 [ 177.347318][ T6087] ? __sys_sendmsg+0x2a0/0x2a0 [ 177.352117][ T6087] ? lock_release+0xb5/0x8c0 [ 177.356738][ T6087] ? get_pid_task+0x20/0x1e0 [ 177.361357][ T6087] ? get_pid_task+0x20/0x1e0 [ 177.366007][ T6087] ? preempt_count_add+0x91/0x1a0 [ 177.371142][ T6087] ? file_end_write+0x250/0x250 [ 177.376045][ T6087] __se_sys_sendmsg+0x1c2/0x2b0 [ 177.380946][ T6087] ? __x64_sys_sendmsg+0x80/0x80 [ 177.386120][ T6087] ? __fdget_pos+0x2ba/0x330 [ 177.390757][ T6087] do_syscall_64+0x55/0xa0 [ 177.395210][ T6087] ? clear_bhb_loop+0x40/0x90 [ 177.399915][ T6087] ? clear_bhb_loop+0x40/0x90 [ 177.404739][ T6087] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 177.410661][ T6087] RIP: 0033:0x7fd627b9acb9 [ 177.415127][ T6087] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 177.434785][ T6087] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.443232][ T6087] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 177.451253][ T6087] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 177.459263][ T6087] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 177.467261][ T6087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 177.475254][ T6087] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 177.483256][ T6087] [ 177.502142][ T6086] FAULT_INJECTION: forcing a failure. [ 177.502142][ T6086] name failslab, interval 1, probability 0, space 0, times 0 [ 177.515108][ T6086] CPU: 0 PID: 6086 Comm: syz.2.101 Not tainted syzkaller #0 [ 177.522464][ T6086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 177.532568][ T6086] Call Trace: [ 177.535886][ T6086] [ 177.538857][ T6086] dump_stack_lvl+0x18c/0x250 [ 177.543584][ T6086] ? show_regs_print_info+0x20/0x20 [ 177.548828][ T6086] ? load_image+0x400/0x400 [ 177.553558][ T6086] should_fail_ex+0x39d/0x4d0 [ 177.558290][ T6086] should_failslab+0x9/0x20 [ 177.562856][ T6086] slab_pre_alloc_hook+0x59/0x310 [ 177.567921][ T6086] kmem_cache_alloc_node+0x60/0x320 [ 177.573177][ T6086] ? __alloc_skb+0x103/0x2c0 [ 177.577854][ T6086] __alloc_skb+0x103/0x2c0 [ 177.582743][ T6086] rtnl_bridge_notify+0xa1/0x250 [ 177.587743][ T6086] rtnl_bridge_setlink+0x697/0x7d0 [ 177.592899][ T6086] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 177.598253][ T6086] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 177.604028][ T6086] ? security_capable+0x89/0xb0 [ 177.608938][ T6086] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 177.614108][ T6086] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 177.619441][ T6086] rtnetlink_rcv_msg+0x869/0xfa0 [ 177.624422][ T6086] ? rtnetlink_bind+0x80/0x80 [ 177.629163][ T6086] ? slab_free_freelist_hook+0x130/0x1a0 [ 177.634950][ T6086] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.640187][ T6086] ? rcu_is_watching+0x15/0xb0 [ 177.644982][ T6086] ? lock_chain_count+0x20/0x20 [ 177.649846][ T6086] ? lock_release+0xb5/0x8c0 [ 177.654450][ T6086] ? rcu_is_watching+0x15/0xb0 [ 177.659233][ T6086] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.664400][ T6086] ? __local_bh_enable_ip+0x13a/0x1c0 [ 177.669917][ T6086] ? _local_bh_enable+0xa0/0xa0 [ 177.675088][ T6086] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.680260][ T6086] ? __dev_queue_xmit+0x124f/0x36b0 [ 177.685496][ T6086] ? __dev_queue_xmit+0x26b/0x36b0 [ 177.690644][ T6086] ? ref_tracker_free+0x690/0x840 [ 177.695679][ T6086] netlink_rcv_skb+0x241/0x4d0 [ 177.700461][ T6086] ? rtnetlink_bind+0x80/0x80 [ 177.705165][ T6086] ? netlink_ack+0x1180/0x1180 [ 177.709959][ T6086] ? rcu_is_watching+0x15/0xb0 [ 177.714793][ T6086] ? __lock_acquire+0x7d40/0x7d40 [ 177.719867][ T6086] ? netlink_deliver_tap+0x2e/0x1b0 [ 177.725137][ T6086] ? netlink_deliver_tap+0x2e/0x1b0 [ 177.730370][ T6086] netlink_unicast+0x751/0x8d0 [ 177.735264][ T6086] netlink_sendmsg+0x8d0/0xbf0 [ 177.740048][ T6086] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 177.746153][ T6086] ? netlink_getsockopt+0x590/0x590 [ 177.751371][ T6086] ? aa_sock_msg_perm+0x94/0x150 [ 177.756336][ T6086] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 177.761664][ T6086] ? security_socket_sendmsg+0x80/0xa0 [ 177.767158][ T6086] ? netlink_getsockopt+0x590/0x590 [ 177.772409][ T6086] ____sys_sendmsg+0x5ba/0x960 [ 177.777225][ T6086] ? __might_sleep+0xe0/0xe0 [ 177.782089][ T6086] ? __asan_memset+0x22/0x40 [ 177.786788][ T6086] ? __sys_sendmsg_sock+0x30/0x30 [ 177.791842][ T6086] ? __import_iovec+0x5f2/0x850 [ 177.796725][ T6086] ? import_iovec+0x73/0xa0 [ 177.801257][ T6086] ___sys_sendmsg+0x2a6/0x360 [ 177.805965][ T6086] ? __sys_sendmsg+0x2a0/0x2a0 [ 177.811179][ T6086] ? lock_release+0xb5/0x8c0 [ 177.815784][ T6086] ? get_pid_task+0x20/0x1e0 [ 177.820389][ T6086] ? get_pid_task+0x20/0x1e0 [ 177.824998][ T6086] ? preempt_count_add+0x91/0x1a0 [ 177.830038][ T6086] ? file_end_write+0x250/0x250 [ 177.834932][ T6086] __se_sys_sendmsg+0x1c2/0x2b0 [ 177.839800][ T6086] ? __x64_sys_sendmsg+0x80/0x80 [ 177.844835][ T6086] ? __fdget_pos+0x2ba/0x330 [ 177.849451][ T6086] do_syscall_64+0x55/0xa0 [ 177.853886][ T6086] ? clear_bhb_loop+0x40/0x90 [ 177.858569][ T6086] ? clear_bhb_loop+0x40/0x90 [ 177.863272][ T6086] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 177.869215][ T6086] RIP: 0033:0x7f5095f9acb9 [ 177.873666][ T6086] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 177.893287][ T6086] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.901719][ T6086] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 177.909704][ T6086] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 177.917698][ T6086] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 177.925694][ T6086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 177.933696][ T6086] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 177.941683][ T6086] [ 177.948929][ T6088] FAULT_INJECTION: forcing a failure. [ 177.948929][ T6088] name failslab, interval 1, probability 0, space 0, times 0 [ 177.972795][ T6088] CPU: 1 PID: 6088 Comm: syz.0.103 Not tainted syzkaller #0 [ 177.980152][ T6088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 177.990267][ T6088] Call Trace: [ 177.993582][ T6088] [ 177.996553][ T6088] dump_stack_lvl+0x18c/0x250 [ 178.001295][ T6088] ? show_regs_print_info+0x20/0x20 [ 178.006551][ T6088] ? load_image+0x400/0x400 [ 178.011092][ T6088] should_fail_ex+0x39d/0x4d0 [ 178.015796][ T6088] should_failslab+0x9/0x20 [ 178.020330][ T6088] slab_pre_alloc_hook+0x59/0x310 [ 178.025504][ T6088] kmem_cache_alloc_node+0x60/0x320 [ 178.030762][ T6088] ? __alloc_skb+0x103/0x2c0 [ 178.035412][ T6088] __alloc_skb+0x103/0x2c0 [ 178.039885][ T6088] rtnl_bridge_notify+0xa1/0x250 [ 178.044912][ T6088] rtnl_bridge_setlink+0x697/0x7d0 [ 178.050070][ T6088] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.055395][ T6088] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 178.061163][ T6088] ? security_capable+0x89/0xb0 [ 178.066086][ T6088] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 178.071234][ T6088] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.076542][ T6088] rtnetlink_rcv_msg+0x869/0xfa0 [ 178.081521][ T6088] ? rtnetlink_bind+0x80/0x80 [ 178.086255][ T6088] ? slab_free_freelist_hook+0x130/0x1a0 [ 178.091924][ T6088] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.097053][ T6088] ? rcu_is_watching+0x15/0xb0 [ 178.101828][ T6088] ? lock_chain_count+0x20/0x20 [ 178.106700][ T6088] ? lock_release+0xb5/0x8c0 [ 178.111314][ T6088] ? rcu_is_watching+0x15/0xb0 [ 178.116112][ T6088] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.121358][ T6088] ? __local_bh_enable_ip+0x13a/0x1c0 [ 178.126750][ T6088] ? _local_bh_enable+0xa0/0xa0 [ 178.131655][ T6088] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.136780][ T6088] ? __dev_queue_xmit+0x124f/0x36b0 [ 178.141991][ T6088] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.147125][ T6088] ? ref_tracker_free+0x690/0x840 [ 178.152169][ T6088] netlink_rcv_skb+0x241/0x4d0 [ 178.156961][ T6088] ? rtnetlink_bind+0x80/0x80 [ 178.161659][ T6088] ? netlink_ack+0x1180/0x1180 [ 178.166539][ T6088] ? rcu_is_watching+0x15/0xb0 [ 178.171345][ T6088] ? __lock_acquire+0x7d40/0x7d40 [ 178.176495][ T6088] ? netlink_deliver_tap+0x2e/0x1b0 [ 178.181708][ T6088] ? netlink_deliver_tap+0x2e/0x1b0 [ 178.186941][ T6088] netlink_unicast+0x751/0x8d0 [ 178.191729][ T6088] netlink_sendmsg+0x8d0/0xbf0 [ 178.196507][ T6088] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.202596][ T6088] ? netlink_getsockopt+0x590/0x590 [ 178.207810][ T6088] ? aa_sock_msg_perm+0x94/0x150 [ 178.212801][ T6088] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 178.218113][ T6088] ? security_socket_sendmsg+0x80/0xa0 [ 178.223777][ T6088] ? netlink_getsockopt+0x590/0x590 [ 178.228987][ T6088] ____sys_sendmsg+0x5ba/0x960 [ 178.233769][ T6088] ? __might_sleep+0xe0/0xe0 [ 178.238368][ T6088] ? __asan_memset+0x22/0x40 [ 178.243101][ T6088] ? __sys_sendmsg_sock+0x30/0x30 [ 178.248227][ T6088] ? __import_iovec+0x5f2/0x850 [ 178.253101][ T6088] ? import_iovec+0x73/0xa0 [ 178.257624][ T6088] ___sys_sendmsg+0x2a6/0x360 [ 178.262325][ T6088] ? __sys_sendmsg+0x2a0/0x2a0 [ 178.267113][ T6088] ? lock_release+0xb5/0x8c0 [ 178.271899][ T6088] ? get_pid_task+0x20/0x1e0 [ 178.276526][ T6088] ? get_pid_task+0x20/0x1e0 [ 178.281137][ T6088] ? preempt_count_add+0x91/0x1a0 [ 178.286194][ T6088] ? file_end_write+0x250/0x250 [ 178.291060][ T6088] __se_sys_sendmsg+0x1c2/0x2b0 [ 178.295923][ T6088] ? __x64_sys_sendmsg+0x80/0x80 [ 178.300874][ T6088] ? __fdget_pos+0x2ba/0x330 [ 178.305498][ T6088] do_syscall_64+0x55/0xa0 [ 178.309929][ T6088] ? clear_bhb_loop+0x40/0x90 [ 178.314626][ T6088] ? clear_bhb_loop+0x40/0x90 [ 178.319322][ T6088] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.325230][ T6088] RIP: 0033:0x7f855ad9acb9 [ 178.329655][ T6088] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 178.349272][ T6088] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 178.357697][ T6088] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 178.365672][ T6088] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 178.373667][ T6088] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 178.381701][ T6088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 178.389682][ T6088] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 178.397667][ T6088] [ 178.410073][ T6089] FAULT_INJECTION: forcing a failure. [ 178.410073][ T6089] name failslab, interval 1, probability 0, space 0, times 0 [ 178.435541][ T6089] CPU: 1 PID: 6089 Comm: syz.3.104 Not tainted syzkaller #0 [ 178.442986][ T6089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 178.453207][ T6089] Call Trace: [ 178.456516][ T6089] [ 178.459476][ T6089] dump_stack_lvl+0x18c/0x250 [ 178.464293][ T6089] ? show_regs_print_info+0x20/0x20 [ 178.469549][ T6089] ? load_image+0x400/0x400 [ 178.474095][ T6089] should_fail_ex+0x39d/0x4d0 [ 178.478830][ T6089] should_failslab+0x9/0x20 [ 178.483385][ T6089] slab_pre_alloc_hook+0x59/0x310 [ 178.488545][ T6089] kmem_cache_alloc_node+0x60/0x320 [ 178.493764][ T6089] ? __alloc_skb+0x103/0x2c0 [ 178.498389][ T6089] __alloc_skb+0x103/0x2c0 [ 178.502852][ T6089] rtnl_bridge_notify+0xa1/0x250 [ 178.507818][ T6089] rtnl_bridge_setlink+0x697/0x7d0 [ 178.512970][ T6089] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.518280][ T6089] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 178.524032][ T6089] ? security_capable+0x89/0xb0 [ 178.528921][ T6089] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 178.534053][ T6089] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.539368][ T6089] rtnetlink_rcv_msg+0x869/0xfa0 [ 178.544418][ T6089] ? rtnetlink_bind+0x80/0x80 [ 178.549123][ T6089] ? slab_free_freelist_hook+0x130/0x1a0 [ 178.554777][ T6089] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.559920][ T6089] ? rcu_is_watching+0x15/0xb0 [ 178.564707][ T6089] ? lock_chain_count+0x20/0x20 [ 178.569581][ T6089] ? lock_release+0xb5/0x8c0 [ 178.574195][ T6089] ? rcu_is_watching+0x15/0xb0 [ 178.578998][ T6089] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.584162][ T6089] ? __local_bh_enable_ip+0x13a/0x1c0 [ 178.589647][ T6089] ? _local_bh_enable+0xa0/0xa0 [ 178.594522][ T6089] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.599713][ T6089] ? __dev_queue_xmit+0x124f/0x36b0 [ 178.604941][ T6089] ? __dev_queue_xmit+0x26b/0x36b0 [ 178.610092][ T6089] ? ref_tracker_free+0x690/0x840 [ 178.615155][ T6089] netlink_rcv_skb+0x241/0x4d0 [ 178.619948][ T6089] ? rtnetlink_bind+0x80/0x80 [ 178.624647][ T6089] ? netlink_ack+0x1180/0x1180 [ 178.629445][ T6089] ? rcu_is_watching+0x15/0xb0 [ 178.634263][ T6089] ? __lock_acquire+0x7d40/0x7d40 [ 178.639317][ T6089] ? netlink_deliver_tap+0x2e/0x1b0 [ 178.644544][ T6089] ? netlink_deliver_tap+0x2e/0x1b0 [ 178.649770][ T6089] netlink_unicast+0x751/0x8d0 [ 178.654575][ T6089] netlink_sendmsg+0x8d0/0xbf0 [ 178.659373][ T6089] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.665466][ T6089] ? netlink_getsockopt+0x590/0x590 [ 178.670699][ T6089] ? aa_sock_msg_perm+0x94/0x150 [ 178.675672][ T6089] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 178.680984][ T6089] ? security_socket_sendmsg+0x80/0xa0 [ 178.686482][ T6089] ? netlink_getsockopt+0x590/0x590 [ 178.691712][ T6089] ____sys_sendmsg+0x5ba/0x960 [ 178.696513][ T6089] ? __might_sleep+0xe0/0xe0 [ 178.701126][ T6089] ? __asan_memset+0x22/0x40 [ 178.705746][ T6089] ? __sys_sendmsg_sock+0x30/0x30 [ 178.710804][ T6089] ? __import_iovec+0x5f2/0x850 [ 178.715775][ T6089] ? import_iovec+0x73/0xa0 [ 178.720314][ T6089] ___sys_sendmsg+0x2a6/0x360 [ 178.725024][ T6089] ? __sys_sendmsg+0x2a0/0x2a0 [ 178.729821][ T6089] ? lock_release+0xb5/0x8c0 [ 178.734435][ T6089] ? get_pid_task+0x20/0x1e0 [ 178.739059][ T6089] ? get_pid_task+0x20/0x1e0 [ 178.743685][ T6089] ? preempt_count_add+0x91/0x1a0 [ 178.748740][ T6089] ? file_end_write+0x250/0x250 [ 178.753622][ T6089] __se_sys_sendmsg+0x1c2/0x2b0 [ 178.758676][ T6089] ? __x64_sys_sendmsg+0x80/0x80 [ 178.763636][ T6089] ? __fdget_pos+0x2ba/0x330 [ 178.768257][ T6089] do_syscall_64+0x55/0xa0 [ 178.772700][ T6089] ? clear_bhb_loop+0x40/0x90 [ 178.777402][ T6089] ? clear_bhb_loop+0x40/0x90 [ 178.782098][ T6089] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.788012][ T6089] RIP: 0033:0x7f08d019acb9 [ 178.792443][ T6089] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 178.812072][ T6089] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 178.820509][ T6089] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 178.828512][ T6089] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 178.836851][ T6089] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 178.844841][ T6089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 178.852831][ T6089] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 178.860915][ T6089] [ 178.874096][ T6090] FAULT_INJECTION: forcing a failure. [ 178.874096][ T6090] name failslab, interval 1, probability 0, space 0, times 0 [ 178.893761][ T6090] CPU: 1 PID: 6090 Comm: syz.1.105 Not tainted syzkaller #0 [ 178.901126][ T6090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 178.911336][ T6090] Call Trace: [ 178.914662][ T6090] [ 178.917638][ T6090] dump_stack_lvl+0x18c/0x250 [ 178.922633][ T6090] ? show_regs_print_info+0x20/0x20 [ 178.927896][ T6090] ? load_image+0x400/0x400 [ 178.932464][ T6090] should_fail_ex+0x39d/0x4d0 [ 178.937212][ T6090] should_failslab+0x9/0x20 [ 178.941864][ T6090] slab_pre_alloc_hook+0x59/0x310 [ 178.946955][ T6090] kmem_cache_alloc_node+0x60/0x320 [ 178.952318][ T6090] ? __alloc_skb+0x103/0x2c0 [ 178.956978][ T6090] __alloc_skb+0x103/0x2c0 [ 178.961460][ T6090] rtnl_bridge_notify+0xa1/0x250 [ 178.966447][ T6090] rtnl_bridge_setlink+0x697/0x7d0 [ 178.971614][ T6090] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.976955][ T6090] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 178.982745][ T6090] ? security_capable+0x89/0xb0 [ 178.987653][ T6090] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 178.992820][ T6090] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 178.998151][ T6090] rtnetlink_rcv_msg+0x869/0xfa0 [ 179.003146][ T6090] ? rtnetlink_bind+0x80/0x80 [ 179.007862][ T6090] ? slab_free_freelist_hook+0x130/0x1a0 [ 179.013605][ T6090] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.018778][ T6090] ? rcu_is_watching+0x15/0xb0 [ 179.023599][ T6090] ? lock_chain_count+0x20/0x20 [ 179.028495][ T6090] ? lock_release+0xb5/0x8c0 [ 179.033135][ T6090] ? rcu_is_watching+0x15/0xb0 [ 179.037956][ T6090] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.043128][ T6090] ? __local_bh_enable_ip+0x13a/0x1c0 [ 179.048552][ T6090] ? _local_bh_enable+0xa0/0xa0 [ 179.053457][ T6090] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.058607][ T6090] ? __dev_queue_xmit+0x124f/0x36b0 [ 179.063849][ T6090] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.069022][ T6090] ? ref_tracker_free+0x690/0x840 [ 179.074225][ T6090] netlink_rcv_skb+0x241/0x4d0 [ 179.079045][ T6090] ? rtnetlink_bind+0x80/0x80 [ 179.083770][ T6090] ? netlink_ack+0x1180/0x1180 [ 179.088585][ T6090] ? rcu_is_watching+0x15/0xb0 [ 179.093402][ T6090] ? __lock_acquire+0x7d40/0x7d40 [ 179.098471][ T6090] ? netlink_deliver_tap+0x2e/0x1b0 [ 179.103713][ T6090] ? netlink_deliver_tap+0x2e/0x1b0 [ 179.109054][ T6090] netlink_unicast+0x751/0x8d0 [ 179.113899][ T6090] netlink_sendmsg+0x8d0/0xbf0 [ 179.118715][ T6090] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 179.124829][ T6090] ? netlink_getsockopt+0x590/0x590 [ 179.130092][ T6090] ? aa_sock_msg_perm+0x94/0x150 [ 179.135079][ T6090] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 179.140418][ T6090] ? security_socket_sendmsg+0x80/0xa0 [ 179.145923][ T6090] ? netlink_getsockopt+0x590/0x590 [ 179.151335][ T6090] ____sys_sendmsg+0x5ba/0x960 [ 179.156170][ T6090] ? __might_sleep+0xe0/0xe0 [ 179.160812][ T6090] ? __asan_memset+0x22/0x40 [ 179.165452][ T6090] ? __sys_sendmsg_sock+0x30/0x30 [ 179.170620][ T6090] ? __import_iovec+0x5f2/0x850 [ 179.175547][ T6090] ? import_iovec+0x73/0xa0 [ 179.180096][ T6090] ___sys_sendmsg+0x2a6/0x360 [ 179.184935][ T6090] ? __sys_sendmsg+0x2a0/0x2a0 [ 179.189747][ T6090] ? lock_release+0xb5/0x8c0 [ 179.194469][ T6090] ? get_pid_task+0x20/0x1e0 [ 179.199451][ T6090] ? get_pid_task+0x20/0x1e0 [ 179.204114][ T6090] ? preempt_count_add+0x91/0x1a0 [ 179.209305][ T6090] ? file_end_write+0x250/0x250 [ 179.214229][ T6090] __se_sys_sendmsg+0x1c2/0x2b0 [ 179.219130][ T6090] ? __x64_sys_sendmsg+0x80/0x80 [ 179.224129][ T6090] ? __fdget_pos+0x2ba/0x330 [ 179.228778][ T6090] do_syscall_64+0x55/0xa0 [ 179.233259][ T6090] ? clear_bhb_loop+0x40/0x90 [ 179.237964][ T6090] ? clear_bhb_loop+0x40/0x90 [ 179.242755][ T6090] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 179.248671][ T6090] RIP: 0033:0x7fd627b9acb9 [ 179.253129][ T6090] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 179.272891][ T6090] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.281442][ T6090] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 179.289459][ T6090] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 179.297474][ T6090] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 179.305498][ T6090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 179.313512][ T6090] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 179.321621][ T6090] [ 179.337780][ T6091] FAULT_INJECTION: forcing a failure. [ 179.337780][ T6091] name failslab, interval 1, probability 0, space 0, times 0 [ 179.352137][ T6091] CPU: 0 PID: 6091 Comm: syz.2.106 Not tainted syzkaller #0 [ 179.359493][ T6091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 179.369603][ T6091] Call Trace: [ 179.372928][ T6091] [ 179.375912][ T6091] dump_stack_lvl+0x18c/0x250 [ 179.380666][ T6091] ? show_regs_print_info+0x20/0x20 [ 179.386101][ T6091] ? load_image+0x400/0x400 [ 179.390660][ T6091] should_fail_ex+0x39d/0x4d0 [ 179.395405][ T6091] should_failslab+0x9/0x20 [ 179.400141][ T6091] slab_pre_alloc_hook+0x59/0x310 [ 179.405228][ T6091] kmem_cache_alloc_node+0x60/0x320 [ 179.410484][ T6091] ? __alloc_skb+0x103/0x2c0 [ 179.415127][ T6091] __alloc_skb+0x103/0x2c0 [ 179.419625][ T6091] rtnl_bridge_notify+0xa1/0x250 [ 179.424615][ T6091] rtnl_bridge_setlink+0x697/0x7d0 [ 179.429778][ T6091] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 179.435103][ T6091] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 179.440883][ T6091] ? security_capable+0x89/0xb0 [ 179.445800][ T6091] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 179.450965][ T6091] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 179.456456][ T6091] rtnetlink_rcv_msg+0x869/0xfa0 [ 179.461449][ T6091] ? rtnetlink_bind+0x80/0x80 [ 179.466181][ T6091] ? slab_free_freelist_hook+0x130/0x1a0 [ 179.471860][ T6091] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.477017][ T6091] ? rcu_is_watching+0x15/0xb0 [ 179.482122][ T6091] ? lock_chain_count+0x20/0x20 [ 179.487044][ T6091] ? lock_release+0xb5/0x8c0 [ 179.491784][ T6091] ? rcu_is_watching+0x15/0xb0 [ 179.496587][ T6091] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.501735][ T6091] ? __local_bh_enable_ip+0x13a/0x1c0 [ 179.507300][ T6091] ? _local_bh_enable+0xa0/0xa0 [ 179.512204][ T6091] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.517384][ T6091] ? __dev_queue_xmit+0x124f/0x36b0 [ 179.522646][ T6091] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.527813][ T6091] ? ref_tracker_free+0x690/0x840 [ 179.532893][ T6091] netlink_rcv_skb+0x241/0x4d0 [ 179.537695][ T6091] ? rtnetlink_bind+0x80/0x80 [ 179.542418][ T6091] ? netlink_ack+0x1180/0x1180 [ 179.547223][ T6091] ? rcu_is_watching+0x15/0xb0 [ 179.552064][ T6091] ? __lock_acquire+0x7d40/0x7d40 [ 179.557134][ T6091] ? netlink_deliver_tap+0x2e/0x1b0 [ 179.562370][ T6091] ? netlink_deliver_tap+0x2e/0x1b0 [ 179.567604][ T6091] netlink_unicast+0x751/0x8d0 [ 179.572410][ T6091] netlink_sendmsg+0x8d0/0xbf0 [ 179.577206][ T6091] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 179.583300][ T6091] ? netlink_getsockopt+0x590/0x590 [ 179.588528][ T6091] ? aa_sock_msg_perm+0x94/0x150 [ 179.593489][ T6091] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 179.598801][ T6091] ? security_socket_sendmsg+0x80/0xa0 [ 179.604289][ T6091] ? netlink_getsockopt+0x590/0x590 [ 179.609523][ T6091] ____sys_sendmsg+0x5ba/0x960 [ 179.614323][ T6091] ? __might_sleep+0xe0/0xe0 [ 179.618941][ T6091] ? __asan_memset+0x22/0x40 [ 179.623569][ T6091] ? __sys_sendmsg_sock+0x30/0x30 [ 179.628620][ T6091] ? __import_iovec+0x5f2/0x850 [ 179.633505][ T6091] ? import_iovec+0x73/0xa0 [ 179.638052][ T6091] ___sys_sendmsg+0x2a6/0x360 [ 179.642763][ T6091] ? __sys_sendmsg+0x2a0/0x2a0 [ 179.647552][ T6091] ? lock_release+0xb5/0x8c0 [ 179.652172][ T6091] ? get_pid_task+0x20/0x1e0 [ 179.656788][ T6091] ? get_pid_task+0x20/0x1e0 [ 179.661408][ T6091] ? preempt_count_add+0x91/0x1a0 [ 179.666465][ T6091] ? file_end_write+0x250/0x250 [ 179.671442][ T6091] __se_sys_sendmsg+0x1c2/0x2b0 [ 179.676326][ T6091] ? __x64_sys_sendmsg+0x80/0x80 [ 179.681291][ T6091] ? __fdget_pos+0x2ba/0x330 [ 179.685933][ T6091] do_syscall_64+0x55/0xa0 [ 179.690395][ T6091] ? clear_bhb_loop+0x40/0x90 [ 179.695103][ T6091] ? clear_bhb_loop+0x40/0x90 [ 179.699809][ T6091] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 179.705725][ T6091] RIP: 0033:0x7f5095f9acb9 [ 179.710167][ T6091] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 179.729897][ T6091] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.738334][ T6091] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 179.746338][ T6091] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 179.754333][ T6091] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 179.762342][ T6091] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 179.770339][ T6091] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 179.778362][ T6091] [ 179.788382][ T6092] FAULT_INJECTION: forcing a failure. [ 179.788382][ T6092] name failslab, interval 1, probability 0, space 0, times 0 [ 179.802049][ T6092] CPU: 0 PID: 6092 Comm: syz.0.107 Not tainted syzkaller #0 [ 179.809403][ T6092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 179.819936][ T6092] Call Trace: [ 179.823251][ T6092] [ 179.826214][ T6092] dump_stack_lvl+0x18c/0x250 [ 179.830940][ T6092] ? show_regs_print_info+0x20/0x20 [ 179.836175][ T6092] ? load_image+0x400/0x400 [ 179.840718][ T6092] should_fail_ex+0x39d/0x4d0 [ 179.845436][ T6092] should_failslab+0x9/0x20 [ 179.850050][ T6092] slab_pre_alloc_hook+0x59/0x310 [ 179.855198][ T6092] kmem_cache_alloc_node+0x60/0x320 [ 179.860426][ T6092] ? __alloc_skb+0x103/0x2c0 [ 179.865073][ T6092] __alloc_skb+0x103/0x2c0 [ 179.869527][ T6092] rtnl_bridge_notify+0xa1/0x250 [ 179.874484][ T6092] rtnl_bridge_setlink+0x697/0x7d0 [ 179.879630][ T6092] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 179.884935][ T6092] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 179.890691][ T6092] ? security_capable+0x89/0xb0 [ 179.895575][ T6092] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 179.900724][ T6092] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 179.906034][ T6092] rtnetlink_rcv_msg+0x869/0xfa0 [ 179.911093][ T6092] ? rtnetlink_bind+0x80/0x80 [ 179.915840][ T6092] ? slab_free_freelist_hook+0x130/0x1a0 [ 179.921845][ T6092] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.927016][ T6092] ? rcu_is_watching+0x15/0xb0 [ 179.931817][ T6092] ? lock_chain_count+0x20/0x20 [ 179.936717][ T6092] ? lock_release+0xb5/0x8c0 [ 179.941329][ T6092] ? rcu_is_watching+0x15/0xb0 [ 179.946138][ T6092] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.951291][ T6092] ? __local_bh_enable_ip+0x13a/0x1c0 [ 179.956706][ T6092] ? _local_bh_enable+0xa0/0xa0 [ 179.961591][ T6092] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.966746][ T6092] ? __dev_queue_xmit+0x124f/0x36b0 [ 179.971973][ T6092] ? __dev_queue_xmit+0x26b/0x36b0 [ 179.977140][ T6092] ? ref_tracker_free+0x690/0x840 [ 179.982306][ T6092] netlink_rcv_skb+0x241/0x4d0 [ 179.987114][ T6092] ? rtnetlink_bind+0x80/0x80 [ 179.991904][ T6092] ? netlink_ack+0x1180/0x1180 [ 179.996704][ T6092] ? rcu_is_watching+0x15/0xb0 [ 180.001499][ T6092] ? __lock_acquire+0x7d40/0x7d40 [ 180.006554][ T6092] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.011787][ T6092] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.017058][ T6092] netlink_unicast+0x751/0x8d0 [ 180.021863][ T6092] netlink_sendmsg+0x8d0/0xbf0 [ 180.026659][ T6092] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 180.032751][ T6092] ? netlink_getsockopt+0x590/0x590 [ 180.038005][ T6092] ? aa_sock_msg_perm+0x94/0x150 [ 180.042991][ T6092] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 180.048320][ T6092] ? security_socket_sendmsg+0x80/0xa0 [ 180.053809][ T6092] ? netlink_getsockopt+0x590/0x590 [ 180.059052][ T6092] ____sys_sendmsg+0x5ba/0x960 [ 180.063849][ T6092] ? __might_sleep+0xe0/0xe0 [ 180.068465][ T6092] ? __asan_memset+0x22/0x40 [ 180.073085][ T6092] ? __sys_sendmsg_sock+0x30/0x30 [ 180.078139][ T6092] ? __import_iovec+0x5f2/0x850 [ 180.083029][ T6092] ? import_iovec+0x73/0xa0 [ 180.087576][ T6092] ___sys_sendmsg+0x2a6/0x360 [ 180.092289][ T6092] ? __sys_sendmsg+0x2a0/0x2a0 [ 180.097082][ T6092] ? lock_release+0xb5/0x8c0 [ 180.101692][ T6092] ? get_pid_task+0x20/0x1e0 [ 180.106317][ T6092] ? get_pid_task+0x20/0x1e0 [ 180.110938][ T6092] ? preempt_count_add+0x91/0x1a0 [ 180.116128][ T6092] ? file_end_write+0x250/0x250 [ 180.121126][ T6092] __se_sys_sendmsg+0x1c2/0x2b0 [ 180.126024][ T6092] ? __x64_sys_sendmsg+0x80/0x80 [ 180.131092][ T6092] ? __fdget_pos+0x2ba/0x330 [ 180.135732][ T6092] do_syscall_64+0x55/0xa0 [ 180.140190][ T6092] ? clear_bhb_loop+0x40/0x90 [ 180.144898][ T6092] ? clear_bhb_loop+0x40/0x90 [ 180.149603][ T6092] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 180.155527][ T6092] RIP: 0033:0x7f855ad9acb9 [ 180.159980][ T6092] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 180.179625][ T6092] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.188095][ T6092] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 180.196092][ T6092] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 180.204176][ T6092] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 180.212182][ T6092] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 180.220243][ T6092] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 180.228263][ T6092] [ 180.241937][ T6093] FAULT_INJECTION: forcing a failure. [ 180.241937][ T6093] name failslab, interval 1, probability 0, space 0, times 0 [ 180.256225][ T6093] CPU: 0 PID: 6093 Comm: syz.3.108 Not tainted syzkaller #0 [ 180.263650][ T6093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 180.273754][ T6093] Call Trace: [ 180.277163][ T6093] [ 180.280132][ T6093] dump_stack_lvl+0x18c/0x250 [ 180.285209][ T6093] ? show_regs_print_info+0x20/0x20 [ 180.290460][ T6093] ? load_image+0x400/0x400 [ 180.295022][ T6093] should_fail_ex+0x39d/0x4d0 [ 180.299768][ T6093] should_failslab+0x9/0x20 [ 180.304331][ T6093] slab_pre_alloc_hook+0x59/0x310 [ 180.309414][ T6093] kmem_cache_alloc_node+0x60/0x320 [ 180.314686][ T6093] ? __alloc_skb+0x103/0x2c0 [ 180.319368][ T6093] __alloc_skb+0x103/0x2c0 [ 180.323852][ T6093] rtnl_bridge_notify+0xa1/0x250 [ 180.328849][ T6093] rtnl_bridge_setlink+0x697/0x7d0 [ 180.334046][ T6093] ? rtnl_bridge_dellink+0x6f0/0x6f0 2026/01/22 00:33:45 executed programs: 101 [ 180.339382][ T6093] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 180.345178][ T6093] ? security_capable+0x89/0xb0 [ 180.350252][ T6093] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 180.355378][ T6093] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 180.360673][ T6093] rtnetlink_rcv_msg+0x869/0xfa0 [ 180.365624][ T6093] ? rtnetlink_bind+0x80/0x80 [ 180.370336][ T6093] ? slab_free_freelist_hook+0x130/0x1a0 [ 180.376030][ T6093] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.381304][ T6093] ? rcu_is_watching+0x15/0xb0 [ 180.386128][ T6093] ? lock_chain_count+0x20/0x20 [ 180.391036][ T6093] ? lock_release+0xb5/0x8c0 [ 180.395669][ T6093] ? rcu_is_watching+0x15/0xb0 [ 180.400566][ T6093] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.405718][ T6093] ? __local_bh_enable_ip+0x13a/0x1c0 [ 180.411107][ T6093] ? _local_bh_enable+0xa0/0xa0 [ 180.415973][ T6093] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.421127][ T6093] ? __dev_queue_xmit+0x124f/0x36b0 [ 180.426369][ T6093] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.431537][ T6093] ? ref_tracker_free+0x690/0x840 [ 180.436577][ T6093] netlink_rcv_skb+0x241/0x4d0 [ 180.441358][ T6093] ? rtnetlink_bind+0x80/0x80 [ 180.446046][ T6093] ? netlink_ack+0x1180/0x1180 [ 180.450853][ T6093] ? rcu_is_watching+0x15/0xb0 [ 180.455635][ T6093] ? __lock_acquire+0x7d40/0x7d40 [ 180.460668][ T6093] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.465949][ T6093] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.471177][ T6093] netlink_unicast+0x751/0x8d0 [ 180.475965][ T6093] netlink_sendmsg+0x8d0/0xbf0 [ 180.480757][ T6093] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 180.486935][ T6093] ? netlink_getsockopt+0x590/0x590 [ 180.492158][ T6093] ? aa_sock_msg_perm+0x94/0x150 [ 180.497116][ T6093] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 180.502420][ T6093] ? security_socket_sendmsg+0x80/0xa0 [ 180.507956][ T6093] ? netlink_getsockopt+0x590/0x590 [ 180.513288][ T6093] ____sys_sendmsg+0x5ba/0x960 [ 180.518124][ T6093] ? __might_sleep+0xe0/0xe0 [ 180.522767][ T6093] ? __asan_memset+0x22/0x40 [ 180.527405][ T6093] ? __sys_sendmsg_sock+0x30/0x30 [ 180.532479][ T6093] ? __import_iovec+0x5f2/0x850 [ 180.537356][ T6093] ? import_iovec+0x73/0xa0 [ 180.541882][ T6093] ___sys_sendmsg+0x2a6/0x360 [ 180.546597][ T6093] ? __sys_sendmsg+0x2a0/0x2a0 [ 180.551376][ T6093] ? lock_release+0xb5/0x8c0 [ 180.556006][ T6093] ? get_pid_task+0x20/0x1e0 [ 180.560644][ T6093] ? get_pid_task+0x20/0x1e0 [ 180.565288][ T6093] ? preempt_count_add+0x91/0x1a0 [ 180.570354][ T6093] ? file_end_write+0x250/0x250 [ 180.575263][ T6093] __se_sys_sendmsg+0x1c2/0x2b0 [ 180.580214][ T6093] ? __x64_sys_sendmsg+0x80/0x80 [ 180.585196][ T6093] ? __fdget_pos+0x2ba/0x330 [ 180.589891][ T6093] do_syscall_64+0x55/0xa0 [ 180.594335][ T6093] ? clear_bhb_loop+0x40/0x90 [ 180.599042][ T6093] ? clear_bhb_loop+0x40/0x90 [ 180.603729][ T6093] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 180.609653][ T6093] RIP: 0033:0x7f08d019acb9 [ 180.614096][ T6093] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 180.633807][ T6093] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.642248][ T6093] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 180.650320][ T6093] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 180.658430][ T6093] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 180.666429][ T6093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 180.674619][ T6093] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 180.682635][ T6093] [ 180.689982][ T6094] FAULT_INJECTION: forcing a failure. [ 180.689982][ T6094] name failslab, interval 1, probability 0, space 0, times 0 [ 180.718048][ T6094] CPU: 1 PID: 6094 Comm: syz.1.109 Not tainted syzkaller #0 [ 180.725422][ T6094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 180.735618][ T6094] Call Trace: [ 180.738944][ T6094] [ 180.741915][ T6094] dump_stack_lvl+0x18c/0x250 [ 180.746658][ T6094] ? show_regs_print_info+0x20/0x20 [ 180.751932][ T6094] ? load_image+0x400/0x400 [ 180.756499][ T6094] should_fail_ex+0x39d/0x4d0 [ 180.761240][ T6094] should_failslab+0x9/0x20 [ 180.765891][ T6094] slab_pre_alloc_hook+0x59/0x310 [ 180.770972][ T6094] kmem_cache_alloc_node+0x60/0x320 [ 180.776304][ T6094] ? __alloc_skb+0x103/0x2c0 [ 180.780958][ T6094] __alloc_skb+0x103/0x2c0 [ 180.785445][ T6094] rtnl_bridge_notify+0xa1/0x250 [ 180.790439][ T6094] rtnl_bridge_setlink+0x697/0x7d0 [ 180.795607][ T6094] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 180.800972][ T6094] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 180.806842][ T6094] ? security_capable+0x89/0xb0 [ 180.811760][ T6094] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 180.816925][ T6094] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 180.822286][ T6094] rtnetlink_rcv_msg+0x869/0xfa0 [ 180.827291][ T6094] ? rtnetlink_bind+0x80/0x80 [ 180.832117][ T6094] ? slab_free_freelist_hook+0x130/0x1a0 [ 180.837892][ T6094] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.843068][ T6094] ? rcu_is_watching+0x15/0xb0 [ 180.847895][ T6094] ? lock_chain_count+0x20/0x20 [ 180.852798][ T6094] ? lock_release+0xb5/0x8c0 [ 180.857431][ T6094] ? rcu_is_watching+0x15/0xb0 [ 180.862258][ T6094] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.867525][ T6094] ? __local_bh_enable_ip+0x13a/0x1c0 [ 180.873035][ T6094] ? _local_bh_enable+0xa0/0xa0 [ 180.877942][ T6094] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.883202][ T6094] ? __dev_queue_xmit+0x124f/0x36b0 [ 180.888462][ T6094] ? __dev_queue_xmit+0x26b/0x36b0 [ 180.893638][ T6094] ? ref_tracker_free+0x690/0x840 [ 180.898720][ T6094] netlink_rcv_skb+0x241/0x4d0 [ 180.903622][ T6094] ? rtnetlink_bind+0x80/0x80 [ 180.908324][ T6094] ? netlink_ack+0x1180/0x1180 [ 180.913118][ T6094] ? rcu_is_watching+0x15/0xb0 [ 180.917928][ T6094] ? __lock_acquire+0x7d40/0x7d40 [ 180.922994][ T6094] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.928210][ T6094] ? netlink_deliver_tap+0x2e/0x1b0 [ 180.933456][ T6094] netlink_unicast+0x751/0x8d0 [ 180.938370][ T6094] netlink_sendmsg+0x8d0/0xbf0 [ 180.943523][ T6094] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 180.949607][ T6094] ? netlink_getsockopt+0x590/0x590 [ 180.954825][ T6094] ? aa_sock_msg_perm+0x94/0x150 [ 180.959869][ T6094] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 180.965173][ T6094] ? security_socket_sendmsg+0x80/0xa0 [ 180.970688][ T6094] ? netlink_getsockopt+0x590/0x590 [ 180.975913][ T6094] ____sys_sendmsg+0x5ba/0x960 [ 180.980708][ T6094] ? __might_sleep+0xe0/0xe0 [ 180.985321][ T6094] ? __asan_memset+0x22/0x40 [ 180.989947][ T6094] ? __sys_sendmsg_sock+0x30/0x30 [ 180.995093][ T6094] ? __import_iovec+0x5f2/0x850 [ 180.999969][ T6094] ? import_iovec+0x73/0xa0 [ 181.004682][ T6094] ___sys_sendmsg+0x2a6/0x360 [ 181.009391][ T6094] ? __sys_sendmsg+0x2a0/0x2a0 [ 181.014181][ T6094] ? lock_release+0xb5/0x8c0 [ 181.018798][ T6094] ? get_pid_task+0x20/0x1e0 [ 181.023432][ T6094] ? get_pid_task+0x20/0x1e0 [ 181.028080][ T6094] ? preempt_count_add+0x91/0x1a0 [ 181.033140][ T6094] ? file_end_write+0x250/0x250 [ 181.038039][ T6094] __se_sys_sendmsg+0x1c2/0x2b0 [ 181.042933][ T6094] ? __x64_sys_sendmsg+0x80/0x80 [ 181.047891][ T6094] ? __fdget_pos+0x2ba/0x330 [ 181.052510][ T6094] do_syscall_64+0x55/0xa0 [ 181.056952][ T6094] ? clear_bhb_loop+0x40/0x90 [ 181.061680][ T6094] ? clear_bhb_loop+0x40/0x90 [ 181.066376][ T6094] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 181.072307][ T6094] RIP: 0033:0x7fd627b9acb9 [ 181.076832][ T6094] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 181.096577][ T6094] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.105024][ T6094] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 181.113008][ T6094] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 181.120992][ T6094] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 181.129044][ T6094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 181.137045][ T6094] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 181.145237][ T6094] [ 181.154189][ T6095] FAULT_INJECTION: forcing a failure. [ 181.154189][ T6095] name failslab, interval 1, probability 0, space 0, times 0 [ 181.169486][ T6095] CPU: 1 PID: 6095 Comm: syz.2.110 Not tainted syzkaller #0 [ 181.176923][ T6095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 181.187124][ T6095] Call Trace: [ 181.190440][ T6095] [ 181.193378][ T6095] dump_stack_lvl+0x18c/0x250 [ 181.198097][ T6095] ? show_regs_print_info+0x20/0x20 [ 181.203357][ T6095] ? load_image+0x400/0x400 [ 181.207929][ T6095] should_fail_ex+0x39d/0x4d0 [ 181.212671][ T6095] should_failslab+0x9/0x20 [ 181.217262][ T6095] slab_pre_alloc_hook+0x59/0x310 [ 181.222353][ T6095] kmem_cache_alloc_node+0x60/0x320 [ 181.227606][ T6095] ? __alloc_skb+0x103/0x2c0 [ 181.232257][ T6095] __alloc_skb+0x103/0x2c0 [ 181.236743][ T6095] rtnl_bridge_notify+0xa1/0x250 [ 181.241729][ T6095] rtnl_bridge_setlink+0x697/0x7d0 [ 181.246902][ T6095] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 181.252226][ T6095] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 181.257998][ T6095] ? security_capable+0x89/0xb0 [ 181.262926][ T6095] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 181.268069][ T6095] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 181.273386][ T6095] rtnetlink_rcv_msg+0x869/0xfa0 [ 181.278363][ T6095] ? rtnetlink_bind+0x80/0x80 [ 181.283068][ T6095] ? slab_free_freelist_hook+0x130/0x1a0 [ 181.288738][ T6095] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.293879][ T6095] ? rcu_is_watching+0x15/0xb0 [ 181.298708][ T6095] ? lock_chain_count+0x20/0x20 [ 181.303605][ T6095] ? lock_release+0xb5/0x8c0 [ 181.308229][ T6095] ? rcu_is_watching+0x15/0xb0 [ 181.313021][ T6095] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.318170][ T6095] ? __local_bh_enable_ip+0x13a/0x1c0 [ 181.323569][ T6095] ? _local_bh_enable+0xa0/0xa0 [ 181.328445][ T6095] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.333587][ T6095] ? __dev_queue_xmit+0x124f/0x36b0 [ 181.338913][ T6095] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.344064][ T6095] ? ref_tracker_free+0x690/0x840 [ 181.349127][ T6095] netlink_rcv_skb+0x241/0x4d0 [ 181.353921][ T6095] ? rtnetlink_bind+0x80/0x80 [ 181.358623][ T6095] ? netlink_ack+0x1180/0x1180 [ 181.363416][ T6095] ? rcu_is_watching+0x15/0xb0 [ 181.368213][ T6095] ? __lock_acquire+0x7d40/0x7d40 [ 181.373268][ T6095] ? netlink_deliver_tap+0x2e/0x1b0 [ 181.378591][ T6095] ? netlink_deliver_tap+0x2e/0x1b0 [ 181.383836][ T6095] netlink_unicast+0x751/0x8d0 [ 181.388635][ T6095] netlink_sendmsg+0x8d0/0xbf0 [ 181.393450][ T6095] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 181.399566][ T6095] ? netlink_getsockopt+0x590/0x590 [ 181.404816][ T6095] ? aa_sock_msg_perm+0x94/0x150 [ 181.409798][ T6095] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 181.415142][ T6095] ? security_socket_sendmsg+0x80/0xa0 [ 181.420631][ T6095] ? netlink_getsockopt+0x590/0x590 [ 181.425890][ T6095] ____sys_sendmsg+0x5ba/0x960 [ 181.430691][ T6095] ? __might_sleep+0xe0/0xe0 [ 181.435338][ T6095] ? __asan_memset+0x22/0x40 [ 181.439954][ T6095] ? __sys_sendmsg_sock+0x30/0x30 [ 181.445013][ T6095] ? __import_iovec+0x5f2/0x850 [ 181.449913][ T6095] ? import_iovec+0x73/0xa0 [ 181.454468][ T6095] ___sys_sendmsg+0x2a6/0x360 [ 181.459226][ T6095] ? __sys_sendmsg+0x2a0/0x2a0 [ 181.464059][ T6095] ? lock_release+0xb5/0x8c0 [ 181.468717][ T6095] ? get_pid_task+0x20/0x1e0 [ 181.473345][ T6095] ? get_pid_task+0x20/0x1e0 [ 181.477972][ T6095] ? preempt_count_add+0x91/0x1a0 [ 181.483030][ T6095] ? file_end_write+0x250/0x250 [ 181.487924][ T6095] __se_sys_sendmsg+0x1c2/0x2b0 [ 181.492819][ T6095] ? __x64_sys_sendmsg+0x80/0x80 [ 181.497810][ T6095] ? __fdget_pos+0x2ba/0x330 [ 181.502469][ T6095] do_syscall_64+0x55/0xa0 [ 181.506921][ T6095] ? clear_bhb_loop+0x40/0x90 [ 181.511712][ T6095] ? clear_bhb_loop+0x40/0x90 [ 181.516505][ T6095] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 181.522439][ T6095] RIP: 0033:0x7f5095f9acb9 [ 181.527106][ T6095] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 181.546847][ T6095] RSP: 002b:00007ffce338d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.555296][ T6095] RAX: ffffffffffffffda RBX: 00007f5096215fa0 RCX: 00007f5095f9acb9 [ 181.563397][ T6095] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 181.571743][ T6095] RBP: 00007ffce338da20 R08: 0000000000000000 R09: 0000000000000000 [ 181.579741][ T6095] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 181.587735][ T6095] R13: 00007f5096215fac R14: 00007f5096215fa0 R15: 00007f5096215fa0 [ 181.595822][ T6095] [ 181.618670][ T6096] FAULT_INJECTION: forcing a failure. [ 181.618670][ T6096] name failslab, interval 1, probability 0, space 0, times 0 [ 181.631949][ T6096] CPU: 0 PID: 6096 Comm: syz.3.112 Not tainted syzkaller #0 [ 181.639292][ T6096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 181.649393][ T6096] Call Trace: [ 181.652722][ T6096] [ 181.655689][ T6096] dump_stack_lvl+0x18c/0x250 [ 181.660515][ T6096] ? show_regs_print_info+0x20/0x20 [ 181.665772][ T6096] ? load_image+0x400/0x400 [ 181.670334][ T6096] should_fail_ex+0x39d/0x4d0 [ 181.675069][ T6096] should_failslab+0x9/0x20 [ 181.679720][ T6096] slab_pre_alloc_hook+0x59/0x310 [ 181.684813][ T6096] kmem_cache_alloc_node+0x60/0x320 [ 181.690078][ T6096] ? __alloc_skb+0x103/0x2c0 [ 181.694824][ T6096] __alloc_skb+0x103/0x2c0 [ 181.699401][ T6096] rtnl_bridge_notify+0xa1/0x250 [ 181.704394][ T6096] rtnl_bridge_setlink+0x697/0x7d0 [ 181.709560][ T6096] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 181.714902][ T6096] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 181.720686][ T6096] ? security_capable+0x89/0xb0 [ 181.725595][ T6096] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 181.730749][ T6096] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 181.736067][ T6096] rtnetlink_rcv_msg+0x869/0xfa0 [ 181.741051][ T6096] ? rtnetlink_bind+0x80/0x80 [ 181.745762][ T6096] ? slab_free_freelist_hook+0x130/0x1a0 [ 181.751435][ T6096] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.756665][ T6096] ? rcu_is_watching+0x15/0xb0 [ 181.761543][ T6096] ? lock_chain_count+0x20/0x20 [ 181.766427][ T6096] ? lock_release+0xb5/0x8c0 [ 181.771222][ T6096] ? rcu_is_watching+0x15/0xb0 [ 181.776017][ T6096] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.781158][ T6096] ? __local_bh_enable_ip+0x13a/0x1c0 [ 181.786557][ T6096] ? _local_bh_enable+0xa0/0xa0 [ 181.791445][ T6096] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.796587][ T6096] ? __dev_queue_xmit+0x124f/0x36b0 [ 181.801987][ T6096] ? __dev_queue_xmit+0x26b/0x36b0 [ 181.807216][ T6096] ? ref_tracker_free+0x690/0x840 [ 181.812288][ T6096] netlink_rcv_skb+0x241/0x4d0 [ 181.817127][ T6096] ? rtnetlink_bind+0x80/0x80 [ 181.821856][ T6096] ? netlink_ack+0x1180/0x1180 [ 181.826680][ T6096] ? rcu_is_watching+0x15/0xb0 [ 181.831481][ T6096] ? __lock_acquire+0x7d40/0x7d40 [ 181.836624][ T6096] ? netlink_deliver_tap+0x2e/0x1b0 [ 181.841873][ T6096] ? netlink_deliver_tap+0x2e/0x1b0 [ 181.847109][ T6096] netlink_unicast+0x751/0x8d0 [ 181.851907][ T6096] netlink_sendmsg+0x8d0/0xbf0 [ 181.856712][ T6096] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 181.862821][ T6096] ? netlink_getsockopt+0x590/0x590 [ 181.868099][ T6096] ? aa_sock_msg_perm+0x94/0x150 [ 181.873071][ T6096] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 181.878383][ T6096] ? security_socket_sendmsg+0x80/0xa0 [ 181.883868][ T6096] ? netlink_getsockopt+0x590/0x590 [ 181.889097][ T6096] ____sys_sendmsg+0x5ba/0x960 [ 181.893891][ T6096] ? __might_sleep+0xe0/0xe0 [ 181.898511][ T6096] ? __asan_memset+0x22/0x40 [ 181.903129][ T6096] ? __sys_sendmsg_sock+0x30/0x30 [ 181.908179][ T6096] ? __import_iovec+0x5f2/0x850 [ 181.913065][ T6096] ? import_iovec+0x73/0xa0 [ 181.917595][ T6096] ___sys_sendmsg+0x2a6/0x360 [ 181.922310][ T6096] ? __sys_sendmsg+0x2a0/0x2a0 [ 181.927162][ T6096] ? lock_release+0xb5/0x8c0 [ 181.931786][ T6096] ? get_pid_task+0x20/0x1e0 [ 181.936439][ T6096] ? get_pid_task+0x20/0x1e0 [ 181.941069][ T6096] ? preempt_count_add+0x91/0x1a0 [ 181.946263][ T6096] ? file_end_write+0x250/0x250 [ 181.951164][ T6096] __se_sys_sendmsg+0x1c2/0x2b0 [ 181.956134][ T6096] ? __x64_sys_sendmsg+0x80/0x80 [ 181.961104][ T6096] ? __fdget_pos+0x2ba/0x330 [ 181.965911][ T6096] do_syscall_64+0x55/0xa0 [ 181.970356][ T6096] ? clear_bhb_loop+0x40/0x90 [ 181.975115][ T6096] ? clear_bhb_loop+0x40/0x90 [ 181.979823][ T6096] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 181.985791][ T6096] RIP: 0033:0x7f08d019acb9 [ 181.990276][ T6096] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 182.009920][ T6096] RSP: 002b:00007ffe9b56dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.018395][ T6096] RAX: ffffffffffffffda RBX: 00007f08d0415fa0 RCX: 00007f08d019acb9 [ 182.026405][ T6096] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 182.034422][ T6096] RBP: 00007ffe9b56dd50 R08: 0000000000000000 R09: 0000000000000000 [ 182.042426][ T6096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 182.050444][ T6096] R13: 00007f08d0415fac R14: 00007f08d0415fa0 R15: 00007f08d0415fa0 [ 182.058540][ T6096] [ 182.076801][ T6097] FAULT_INJECTION: forcing a failure. [ 182.076801][ T6097] name failslab, interval 1, probability 0, space 0, times 0 [ 182.091252][ T6097] CPU: 1 PID: 6097 Comm: syz.0.111 Not tainted syzkaller #0 [ 182.098616][ T6097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 182.108725][ T6097] Call Trace: [ 182.112066][ T6097] [ 182.115050][ T6097] dump_stack_lvl+0x18c/0x250 [ 182.119811][ T6097] ? show_regs_print_info+0x20/0x20 [ 182.125157][ T6097] ? load_image+0x400/0x400 [ 182.129728][ T6097] should_fail_ex+0x39d/0x4d0 [ 182.134470][ T6097] should_failslab+0x9/0x20 [ 182.139032][ T6097] slab_pre_alloc_hook+0x59/0x310 [ 182.144103][ T6097] kmem_cache_alloc_node+0x60/0x320 [ 182.149333][ T6097] ? __alloc_skb+0x103/0x2c0 [ 182.153977][ T6097] __alloc_skb+0x103/0x2c0 [ 182.158445][ T6097] rtnl_bridge_notify+0xa1/0x250 [ 182.163432][ T6097] rtnl_bridge_setlink+0x697/0x7d0 [ 182.168602][ T6097] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 182.173931][ T6097] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 182.179712][ T6097] ? security_capable+0x89/0xb0 [ 182.184630][ T6097] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 182.189813][ T6097] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 182.195321][ T6097] rtnetlink_rcv_msg+0x869/0xfa0 [ 182.200405][ T6097] ? rtnetlink_bind+0x80/0x80 [ 182.205125][ T6097] ? slab_free_freelist_hook+0x130/0x1a0 [ 182.210784][ T6097] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.215931][ T6097] ? rcu_is_watching+0x15/0xb0 [ 182.220727][ T6097] ? lock_chain_count+0x20/0x20 [ 182.225603][ T6097] ? lock_release+0xb5/0x8c0 [ 182.230214][ T6097] ? rcu_is_watching+0x15/0xb0 [ 182.235009][ T6097] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.240152][ T6097] ? __local_bh_enable_ip+0x13a/0x1c0 [ 182.245547][ T6097] ? _local_bh_enable+0xa0/0xa0 [ 182.250438][ T6097] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.255573][ T6097] ? __dev_queue_xmit+0x124f/0x36b0 [ 182.260804][ T6097] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.265975][ T6097] ? ref_tracker_free+0x690/0x840 [ 182.271028][ T6097] netlink_rcv_skb+0x241/0x4d0 [ 182.275910][ T6097] ? rtnetlink_bind+0x80/0x80 [ 182.280608][ T6097] ? netlink_ack+0x1180/0x1180 [ 182.285415][ T6097] ? rcu_is_watching+0x15/0xb0 [ 182.290732][ T6097] ? __lock_acquire+0x7d40/0x7d40 [ 182.295804][ T6097] ? netlink_deliver_tap+0x2e/0x1b0 [ 182.301037][ T6097] ? netlink_deliver_tap+0x2e/0x1b0 [ 182.306359][ T6097] netlink_unicast+0x751/0x8d0 [ 182.311201][ T6097] netlink_sendmsg+0x8d0/0xbf0 [ 182.315994][ T6097] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 182.322181][ T6097] ? netlink_getsockopt+0x590/0x590 [ 182.327414][ T6097] ? aa_sock_msg_perm+0x94/0x150 [ 182.332571][ T6097] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 182.337902][ T6097] ? security_socket_sendmsg+0x80/0xa0 [ 182.343381][ T6097] ? netlink_getsockopt+0x590/0x590 [ 182.348874][ T6097] ____sys_sendmsg+0x5ba/0x960 [ 182.353696][ T6097] ? __might_sleep+0xe0/0xe0 [ 182.358313][ T6097] ? __asan_memset+0x22/0x40 [ 182.362935][ T6097] ? __sys_sendmsg_sock+0x30/0x30 [ 182.368000][ T6097] ? __import_iovec+0x5f2/0x850 [ 182.372902][ T6097] ? import_iovec+0x73/0xa0 [ 182.377437][ T6097] ___sys_sendmsg+0x2a6/0x360 [ 182.382165][ T6097] ? __sys_sendmsg+0x2a0/0x2a0 [ 182.387047][ T6097] ? lock_release+0xb5/0x8c0 [ 182.391699][ T6097] ? get_pid_task+0x20/0x1e0 [ 182.396317][ T6097] ? get_pid_task+0x20/0x1e0 [ 182.400938][ T6097] ? preempt_count_add+0x91/0x1a0 [ 182.406024][ T6097] ? file_end_write+0x250/0x250 [ 182.410941][ T6097] __se_sys_sendmsg+0x1c2/0x2b0 [ 182.415824][ T6097] ? __x64_sys_sendmsg+0x80/0x80 [ 182.420803][ T6097] ? __fdget_pos+0x2ba/0x330 [ 182.425429][ T6097] do_syscall_64+0x55/0xa0 [ 182.429881][ T6097] ? clear_bhb_loop+0x40/0x90 [ 182.434580][ T6097] ? clear_bhb_loop+0x40/0x90 [ 182.439288][ T6097] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 182.445201][ T6097] RIP: 0033:0x7f855ad9acb9 [ 182.449640][ T6097] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 182.469288][ T6097] RSP: 002b:00007ffc12713b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.477744][ T6097] RAX: ffffffffffffffda RBX: 00007f855b015fa0 RCX: 00007f855ad9acb9 [ 182.485743][ T6097] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 182.493744][ T6097] RBP: 00007ffc12713bf0 R08: 0000000000000000 R09: 0000000000000000 [ 182.501743][ T6097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 182.509744][ T6097] R13: 00007f855b015fac R14: 00007f855b015fa0 R15: 00007f855b015fa0 [ 182.517755][ T6097] [ 182.533765][ T6098] FAULT_INJECTION: forcing a failure. [ 182.533765][ T6098] name failslab, interval 1, probability 0, space 0, times 0 [ 182.546879][ T6098] CPU: 1 PID: 6098 Comm: syz.1.113 Not tainted syzkaller #0 [ 182.554298][ T6098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 182.564405][ T6098] Call Trace: [ 182.567722][ T6098] [ 182.570712][ T6098] dump_stack_lvl+0x18c/0x250 [ 182.575435][ T6098] ? show_regs_print_info+0x20/0x20 [ 182.580703][ T6098] ? load_image+0x400/0x400 [ 182.585240][ T6098] should_fail_ex+0x39d/0x4d0 [ 182.589987][ T6098] should_failslab+0x9/0x20 [ 182.594520][ T6098] slab_pre_alloc_hook+0x59/0x310 [ 182.599580][ T6098] kmem_cache_alloc_node+0x60/0x320 [ 182.604811][ T6098] ? __alloc_skb+0x103/0x2c0 [ 182.609439][ T6098] __alloc_skb+0x103/0x2c0 [ 182.613885][ T6098] rtnl_bridge_notify+0xa1/0x250 [ 182.618849][ T6098] rtnl_bridge_setlink+0x697/0x7d0 [ 182.623982][ T6098] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 182.629473][ T6098] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 182.635224][ T6098] ? security_capable+0x89/0xb0 [ 182.640197][ T6098] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 182.645331][ T6098] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 182.650638][ T6098] rtnetlink_rcv_msg+0x869/0xfa0 [ 182.655607][ T6098] ? rtnetlink_bind+0x80/0x80 [ 182.660321][ T6098] ? slab_free_freelist_hook+0x130/0x1a0 [ 182.666011][ T6098] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.671167][ T6098] ? rcu_is_watching+0x15/0xb0 [ 182.675967][ T6098] ? lock_chain_count+0x20/0x20 [ 182.680841][ T6098] ? lock_release+0xb5/0x8c0 [ 182.685461][ T6098] ? rcu_is_watching+0x15/0xb0 [ 182.690254][ T6098] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.695394][ T6098] ? __local_bh_enable_ip+0x13a/0x1c0 [ 182.700795][ T6098] ? _local_bh_enable+0xa0/0xa0 [ 182.705668][ T6098] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.710803][ T6098] ? __dev_queue_xmit+0x124f/0x36b0 [ 182.716036][ T6098] ? __dev_queue_xmit+0x26b/0x36b0 [ 182.721183][ T6098] ? ref_tracker_free+0x690/0x840 [ 182.726235][ T6098] netlink_rcv_skb+0x241/0x4d0 [ 182.731113][ T6098] ? rtnetlink_bind+0x80/0x80 [ 182.735811][ T6098] ? netlink_ack+0x1180/0x1180 [ 182.740599][ T6098] ? rcu_is_watching+0x15/0xb0 [ 182.745392][ T6098] ? __lock_acquire+0x7d40/0x7d40 [ 182.750439][ T6098] ? netlink_deliver_tap+0x2e/0x1b0 [ 182.755678][ T6098] ? netlink_deliver_tap+0x2e/0x1b0 [ 182.760902][ T6098] netlink_unicast+0x751/0x8d0 [ 182.765703][ T6098] netlink_sendmsg+0x8d0/0xbf0 [ 182.770502][ T6098] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 182.776635][ T6098] ? netlink_getsockopt+0x590/0x590 [ 182.781872][ T6098] ? aa_sock_msg_perm+0x94/0x150 [ 182.786841][ T6098] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 182.792196][ T6098] ? security_socket_sendmsg+0x80/0xa0 [ 182.797702][ T6098] ? netlink_getsockopt+0x590/0x590 [ 182.802935][ T6098] ____sys_sendmsg+0x5ba/0x960 [ 182.807820][ T6098] ? __might_sleep+0xe0/0xe0 [ 182.812440][ T6098] ? __asan_memset+0x22/0x40 [ 182.817068][ T6098] ? __sys_sendmsg_sock+0x30/0x30 [ 182.822126][ T6098] ? __import_iovec+0x5f2/0x850 [ 182.827018][ T6098] ? import_iovec+0x73/0xa0 [ 182.831589][ T6098] ___sys_sendmsg+0x2a6/0x360 [ 182.836307][ T6098] ? __sys_sendmsg+0x2a0/0x2a0 [ 182.841112][ T6098] ? lock_release+0xb5/0x8c0 [ 182.845733][ T6098] ? get_pid_task+0x20/0x1e0 [ 182.850446][ T6098] ? get_pid_task+0x20/0x1e0 [ 182.855167][ T6098] ? preempt_count_add+0x91/0x1a0 [ 182.860223][ T6098] ? file_end_write+0x250/0x250 [ 182.865104][ T6098] __se_sys_sendmsg+0x1c2/0x2b0 [ 182.870017][ T6098] ? __x64_sys_sendmsg+0x80/0x80 [ 182.874989][ T6098] ? __fdget_pos+0x2ba/0x330 [ 182.879622][ T6098] do_syscall_64+0x55/0xa0 [ 182.884080][ T6098] ? clear_bhb_loop+0x40/0x90 [ 182.888781][ T6098] ? clear_bhb_loop+0x40/0x90 [ 182.893481][ T6098] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 182.899399][ T6098] RIP: 0033:0x7fd627b9acb9 [ 182.903837][ T6098] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 182.923469][ T6098] RSP: 002b:00007ffd54f14fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.931903][ T6098] RAX: ffffffffffffffda RBX: 00007fd627e15fa0 RCX: 00007fd627b9acb9 [ 182.939989][ T6098] RDX: 000000002000c090 RSI: 0000200000000040 RDI: 0000000000000003 [ 182.947986][ T6098] RBP: 00007ffd54f15040 R08: 0000000000000000 R09: 0000000000000000 [ 182.955985][ T6098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 182.964090][ T6098] R13: 00007fd627e15fac R14: 00007fd627e15fa0 R15: 00007fd627e15fa0 [ 182.972144][ T6098] [ 183.004733][ T6099] FAULT_INJECTION: forcing a failure. [ 183.004733][ T6099] name failslab, interval 1, probability 0, space 0, times 0 [ 183.018826][ T6099] CPU: 1 PID: 6099 Comm: syz.2.114 Not tainted syzkaller #0 [ 183.026175][ T6099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 183.036281][ T6099] Call Trace: [ 183.039607][ T6099] [ 183.042589][ T6099] dump_stack_lvl+0x18c/0x250 [ 183.047334][ T6099] ? show_regs_print_info+0x20/0x20 [ 183.052616][ T6099] ? load_image+0x400/0x400 [ 183.057173][ T6099] should_fail_ex+0x39d/0x4d0 [ 183.061994][ T6099] should_failslab+0x9/0x20 [ 183.066561][ T6099] slab_pre_alloc_hook+0x59/0x310 [ 183.071671][ T6099] kmem_cache_alloc_node+0x60/0x320 [ 183.076986][ T6099] ? __alloc_skb+0x103/0x2c0 [ 183.081649][ T6099] __alloc_skb+0x103/0x2c0 [ 183.086127][ T6099] rtnl_bridge_notify+0xa1/0x250 [ 183.091129][ T6099] rtnl_bridge_setlink+0x697/0x7d0 [ 183.096294][ T6099] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 183.101803][ T6099] ? bpf_core_calc_relo_insn+0x7e8/0x1e50 [ 183.107576][ T6099] ? security_capable+0x89/0xb0 [ 183.112592][ T6099] ? rtnetlink_rcv_msg+0x221/0xfa0 [ 183.117733][ T6099] ? rtnl_bridge_dellink+0x6f0/0x6f0 [ 183.123043][ T6099] rtnetlink_rcv_msg+0x869/0xfa0 [ 183.128048][ T6099] ? rtnetlink_bind+0x80/0x80 [ 183.132796][ T6099] ? slab_free_freelist_hook+0x130/0x1a0 [ 183.138474][ T6099] ? __dev_queue_xmit+0x26b/0x36b0 [ 183.143620][ T6099] ? rcu_is_watching+0x15/0xb0 [ 183.148478][ T6099] ? lock_chain_count+0x20/0x20 [ 183.153379][ T6099] ? lock_release+0xb5/0x8c0 [ 183.158014][ T6099] ? rcu_is_watching+0x15/0xb0 [ 183.162838][ T6099] ? __dev_queue_xmit+0x26b/0x36b0 [ 183.168345][ T6099] ? __local_bh_enable_ip+0x13a/0x1c0 [ 183.173766][ T6099] ? _local_bh_enable+0xa0/0xa0 [ 183.178656][ T6099] ? __dev_queue_xmit+0x26b/0x36b0 [ 183.183821][ T6099] ? __dev_queue_xmit+0x124f/0x36b0 [ 183.189190][ T6099] ? __dev_queue_xmit+0x26b/0x36b0 [ 183.194374][ T6099] ? ref_tracker_free+0x690/0x840 [ 183.199535][ T6099] netlink_rcv_skb+0x241/0x4d0 [ 183.204400][ T6099] ? rtnetlink_bind+0x80/0x80 [ 183.209289][ T6099] ? netlink_ack+0x1180/0x1180 [ 183.214134][ T6099] ? rcu_is_watching+0x15/0xb0 [ 183.218955][ T6099] ? __lock_acquire+0x7d40/0x7d40 [ 183.224121][ T6099] ? netlink_deliver_tap+0x2e/0x1b0 [ 183.229512][ T6099] ? netlink_deliver_tap+0x2e/0x1b0 [ 183.234874][ T6099] netlink_unicast+0x751/0x8d0 [ 183.239818][ T6099] netlink_sendmsg+0x8d0/0xbf0 [ 183.244627][ T6099] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 183.250944][ T6099] ? netlink_getsockopt+0x590/0x590