00.167779][ T1863] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 400.173832][ T1863] __splice_from_pipe+0x2a0/0x830 [ 400.178862][ T1863] ? generic_splice_sendpage+0x220/0x220 [ 400.184772][ T1863] generic_splice_sendpage+0x195/0x220 [ 400.190234][ T1863] ? iter_file_splice_write+0xf60/0xf60 [ 400.195792][ T1863] ? direct_splice_actor+0x25/0x120 [ 400.201077][ T1863] splice_direct_to_actor+0x497/0xae0 [ 400.206696][ T1863] ? do_splice_direct+0x3c0/0x3c0 [ 400.211836][ T1863] ? pipe_to_sendpage+0x310/0x310 [ 400.216957][ T1863] ? security_file_permission+0x117/0x2f0 [ 400.222919][ T1863] do_splice_direct+0x27f/0x3c0 [ 400.227774][ T1863] ? splice_direct_to_actor+0xae0/0xae0 [ 400.233301][ T1863] ? security_file_permission+0x117/0x2f0 [ 400.239114][ T1863] ? do_sendfile+0x605/0xee0 [ 400.243680][ T1863] do_sendfile+0x854/0xee0 [ 400.248594][ T1863] ? compat_writev+0x3c0/0x3c0 [ 400.253446][ T1863] ? vfs_write+0x41a/0x4e0 [ 400.257855][ T1863] ? fput_many+0x15e/0x1b0 [ 400.262247][ T1863] ? check_preemption_disabled+0x153/0x320 [ 400.268025][ T1863] __x64_sys_sendfile64+0x1ce/0x230 [ 400.273244][ T1863] ? __ia32_sys_sendfile+0x240/0x240 [ 400.278603][ T1863] ? __do_page_fault+0x725/0xbb0 [ 400.283526][ T1863] do_syscall_64+0xca/0x1c0 [ 400.288010][ T1863] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.306457][ T1865] FAULT_INJECTION: forcing a failure. [ 400.306457][ T1865] name failslab, interval 1, probability 0, space 0, times 0 [ 400.319475][ T1865] CPU: 0 PID: 1865 Comm: syz-executor.0 Not tainted 5.4.233-syzkaller #0 [ 400.327961][ T1865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 400.338107][ T1865] Call Trace: [ 400.341385][ T1865] dump_stack+0x1d8/0x241 [ 400.345724][ T1865] ? panic+0x768/0x768 [ 400.349788][ T1865] ? __unwind_start+0x708/0x890 [ 400.354649][ T1865] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 400.360461][ T1865] ? deref_stack_reg+0x1f0/0x1f0 [ 400.365404][ T1865] should_fail+0x71f/0x880 [ 400.369819][ T1865] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.375862][ T1865] ? setup_fault_attr+0x3d0/0x3d0 [ 400.380866][ T1865] ? arch_stack_walk+0x111/0x140 [ 400.385787][ T1865] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.391827][ T1865] ? __alloc_skb+0x7a/0x4d0 [ 400.396303][ T1865] should_failslab+0x5/0x20 [ 400.400963][ T1865] kmem_cache_alloc+0x24/0x220 [ 400.405716][ T1865] __alloc_skb+0x7a/0x4d0 [ 400.410027][ T1865] skb_copy+0xe6/0x760 [ 400.414420][ T1865] ? memcpy+0x38/0x50 [ 400.418415][ T1865] tipc_buf_append+0x581/0xa30 [ 400.423361][ T1865] ? tipc_buf_acquire+0x2a/0xe0 [ 400.428197][ T1865] ? tipc_msg_build+0xabd/0x1120 [ 400.433116][ T1865] ? tipc_msg_create+0x5f0/0x5f0 [ 400.438324][ T1865] ? skb_clone+0x1f3/0x360 [ 400.442718][ T1865] tipc_msg_reassemble+0x37e/0x640 [ 400.447818][ T1865] ? skb_cloned+0x120/0x120 [ 400.452299][ T1865] ? _copy_from_iter_full+0x2e8/0xa80 [ 400.457830][ T1865] tipc_mcast_xmit+0x243/0x1c30 [ 400.462656][ T1865] ? __alloc_skb+0x31c/0x4d0 [ 400.467337][ T1865] ? __virt_addr_valid+0x20e/0x2a0 [ 400.472609][ T1865] ? tipc_bcast_dec_bearer_dst_cnt+0x250/0x250 [ 400.479195][ T1865] ? __check_object_size+0x2bd/0x3a0 [ 400.484562][ T1865] ? tipc_msg_build+0xe4f/0x1120 [ 400.489877][ T1865] ? skb_orphan+0xc0/0xc0 [ 400.494556][ T1865] ? __lru_cache_add+0x1c2/0x210 [ 400.499673][ T1865] ? __local_bh_enable_ip+0x4f/0x70 [ 400.504869][ T1865] ? tipc_nametbl_lookup_dst_nodes+0x2fa/0x340 [ 400.511175][ T1865] ? trace_tipc_sk_sendmcast+0x1f/0x1b0 [ 400.516710][ T1865] __tipc_sendmsg+0x2ac5/0x37b0 [ 400.521649][ T1865] ? tipc_sk_publish+0x400/0x400 [ 400.526603][ T1865] ? avc_has_perm+0x16f/0x260 [ 400.531874][ T1865] ? wait_woken+0x240/0x240 [ 400.536630][ T1865] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 400.541998][ T1865] ? blk_flush_plug_list+0x485/0x4d0 [ 400.549086][ T1865] ? check_preemption_disabled+0x9f/0x320 [ 400.554784][ T1865] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 400.559883][ T1865] ? debug_smp_processor_id+0x20/0x20 [ 400.565263][ T1865] ? selinux_socket_sendmsg+0x243/0x340 [ 400.570788][ T1865] ? __local_bh_enable_ip+0x4f/0x70 [ 400.575987][ T1865] ? lock_sock_nested+0x26a/0x300 [ 400.580990][ T1865] ? sock_def_destruct+0x10/0x10 [ 400.585904][ T1865] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 400.591735][ T1865] ? current_time+0x1af/0x2f0 [ 400.596411][ T1865] ? tipc_recvmsg+0x1380/0x1380 [ 400.601245][ T1865] tipc_sendmsg+0x51/0x70 [ 400.605556][ T1865] kernel_sendmsg+0xf5/0x130 [ 400.610301][ T1865] sock_no_sendpage+0x144/0x1b0 [ 400.615138][ T1865] ? __receive_sock+0xe0/0xe0 [ 400.619891][ T1865] ? touch_atime+0x14f/0x290 [ 400.624482][ T1865] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 400.630298][ T1865] ? __receive_sock+0xe0/0xe0 [ 400.635080][ T1865] sock_sendpage+0xd1/0x120 [ 400.639744][ T1865] pipe_to_sendpage+0x242/0x310 [ 400.644713][ T1865] ? sock_fasync+0xf0/0xf0 [ 400.649113][ T1865] ? generic_splice_sendpage+0x220/0x220 [ 400.654726][ T1865] ? atime_needs_update+0x2cd/0x590 [ 400.659925][ T1865] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 400.666025][ T1865] __splice_from_pipe+0x2a0/0x830 [ 400.671326][ T1865] ? generic_splice_sendpage+0x220/0x220 [ 400.676939][ T1865] generic_splice_sendpage+0x195/0x220 [ 400.682406][ T1865] ? iter_file_splice_write+0xf60/0xf60 [ 400.687941][ T1865] ? direct_splice_actor+0x25/0x120 [ 400.693117][ T1865] splice_direct_to_actor+0x497/0xae0 [ 400.698677][ T1865] ? do_splice_direct+0x3c0/0x3c0 [ 400.703779][ T1865] ? pipe_to_sendpage+0x310/0x310 [ 400.708797][ T1865] ? security_file_permission+0x117/0x2f0 [ 400.714490][ T1865] do_splice_direct+0x27f/0x3c0 [ 400.719420][ T1865] ? splice_direct_to_actor+0xae0/0xae0 [ 400.725234][ T1865] ? security_file_permission+0x117/0x2f0 [ 400.731040][ T1865] ? do_sendfile+0x605/0xee0 [ 400.735727][ T1865] do_sendfile+0x854/0xee0 [ 400.740155][ T1865] ? compat_writev+0x3c0/0x3c0 [ 400.744903][ T1865] ? vfs_write+0x41a/0x4e0 [ 400.749575][ T1865] ? fput_many+0x15e/0x1b0 [ 400.754060][ T1865] ? check_preemption_disabled+0x153/0x320 [ 400.759843][ T1865] __x64_sys_sendfile64+0x1ce/0x230 [ 400.765106][ T1865] ? __ia32_sys_sendfile+0x240/0x240 [ 400.770393][ T1865] ? __do_page_fault+0x725/0xbb0 [ 400.775313][ T1865] do_syscall_64+0xca/0x1c0 [ 400.779793][ T1865] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.786171][ T1865] tipc: Failed do clone local mcast rcv buffer [ 400.801984][ T1867] FAULT_INJECTION: forcing a failure. [ 400.801984][ T1867] name failslab, interval 1, probability 0, space 0, times 0 [ 400.814609][ T1867] CPU: 0 PID: 1867 Comm: syz-executor.0 Not tainted 5.4.233-syzkaller #0 [ 400.823004][ T1867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 400.833122][ T1867] Call Trace: [ 400.836391][ T1867] dump_stack+0x1d8/0x241 [ 400.840796][ T1867] ? panic+0x768/0x768 [ 400.844927][ T1867] ? __unwind_start+0x708/0x890 [ 400.849758][ T1867] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 400.855540][ T1867] ? deref_stack_reg+0x1f0/0x1f0 [ 400.860449][ T1867] should_fail+0x71f/0x880 [ 400.864846][ T1867] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.870965][ T1867] ? setup_fault_attr+0x3d0/0x3d0 [ 400.875971][ T1867] ? arch_stack_walk+0x111/0x140 [ 400.880977][ T1867] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 400.887020][ T1867] ? __alloc_skb+0x7a/0x4d0 [ 400.891793][ T1867] should_failslab+0x5/0x20 [ 400.896362][ T1867] kmem_cache_alloc+0x24/0x220 [ 400.901114][ T1867] __alloc_skb+0x7a/0x4d0 [ 400.905510][ T1867] skb_copy+0xe6/0x760 [ 400.909559][ T1867] ? memcpy+0x38/0x50 [ 400.913521][ T1867] tipc_buf_append+0x581/0xa30 [ 400.918260][ T1867] ? tipc_buf_acquire+0x2a/0xe0 [ 400.923092][ T1867] ? tipc_msg_build+0xabd/0x1120 [ 400.928011][ T1867] ? tipc_msg_create+0x5f0/0x5f0 [ 400.933008][ T1867] ? skb_clone+0x1f3/0x360 [ 400.937402][ T1867] tipc_msg_reassemble+0x37e/0x640 [ 400.942661][ T1867] ? skb_cloned+0x120/0x120 [ 400.947149][ T1867] ? _copy_from_iter_full+0x2e8/0xa80 [ 400.952498][ T1867] tipc_mcast_xmit+0x243/0x1c30 [ 400.957329][ T1867] ? __alloc_skb+0x31c/0x4d0 [ 400.961895][ T1867] ? __virt_addr_valid+0x20e/0x2a0 [ 400.966984][ T1867] ? tipc_bcast_dec_bearer_dst_cnt+0x250/0x250 [ 400.973118][ T1867] ? __check_object_size+0x2bd/0x3a0 [ 400.978375][ T1867] ? tipc_msg_build+0xe4f/0x1120 [ 400.983285][ T1867] ? skb_orphan+0xc0/0xc0 [ 400.987587][ T1867] ? __lru_cache_add+0x1c2/0x210 [ 400.992501][ T1867] ? __local_bh_enable_ip+0x4f/0x70 [ 400.997671][ T1867] ? tipc_nametbl_lookup_dst_nodes+0x2fa/0x340 [ 401.003799][ T1867] ? trace_tipc_sk_sendmcast+0x1f/0x1b0 [ 401.009317][ T1867] __tipc_sendmsg+0x2ac5/0x37b0 [ 401.014165][ T1867] ? tipc_sk_publish+0x400/0x400 [ 401.019172][ T1867] ? avc_has_perm+0x16f/0x260 [ 401.023824][ T1867] ? wait_woken+0x240/0x240 [ 401.028323][ T1867] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 401.033675][ T1867] ? blk_flush_plug_list+0x485/0x4d0 [ 401.039029][ T1867] ? check_preemption_disabled+0x9f/0x320 [ 401.044813][ T1867] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 401.049889][ T1867] ? debug_smp_processor_id+0x20/0x20 [ 401.055446][ T1867] ? selinux_socket_sendmsg+0x243/0x340 [ 401.060982][ T1867] ? __local_bh_enable_ip+0x4f/0x70 [ 401.066205][ T1867] ? lock_sock_nested+0x26a/0x300 [ 401.071241][ T1867] ? sock_def_destruct+0x10/0x10 [ 401.076156][ T1867] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 401.082287][ T1867] ? current_time+0x1af/0x2f0 [ 401.086942][ T1867] ? tipc_recvmsg+0x1380/0x1380 [ 401.091856][ T1867] tipc_sendmsg+0x51/0x70 [ 401.096240][ T1867] kernel_sendmsg+0xf5/0x130 [ 401.100815][ T1867] sock_no_sendpage+0x144/0x1b0 [ 401.105644][ T1867] ? __receive_sock+0xe0/0xe0 [ 401.110408][ T1867] ? touch_atime+0x14f/0x290 [ 401.114977][ T1867] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 401.120721][ T1867] ? __receive_sock+0xe0/0xe0 [ 401.125373][ T1867] sock_sendpage+0xd1/0x120 [ 401.129965][ T1867] pipe_to_sendpage+0x242/0x310 [ 401.134804][ T1867] ? sock_fasync+0xf0/0xf0 [ 401.139288][ T1867] ? generic_splice_sendpage+0x220/0x220 [ 401.144905][ T1867] ? atime_needs_update+0x2cd/0x590 [ 401.150095][ T1867] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 401.156111][ T1867] __splice_from_pipe+0x2a0/0x830 [ 401.161182][ T1867] ? generic_splice_sendpage+0x220/0x220 [ 401.166790][ T1867] generic_splice_sendpage+0x195/0x220 [ 401.172230][ T1867] ? iter_file_splice_write+0xf60/0xf60 [ 401.177787][ T1867] ? direct_splice_actor+0x25/0x120 [ 401.182964][ T1867] splice_direct_to_actor+0x497/0xae0 [ 401.188434][ T1867] ? do_splice_direct+0x3c0/0x3c0 [ 401.193522][ T1867] ? pipe_to_sendpage+0x310/0x310 [ 401.198527][ T1867] ? security_file_permission+0x117/0x2f0 [ 401.204260][ T1867] do_splice_direct+0x27f/0x3c0 [ 401.209342][ T1867] ? splice_direct_to_actor+0xae0/0xae0 [ 401.214928][ T1867] ? security_file_permission+0x117/0x2f0 [ 401.220768][ T1867] ? do_sendfile+0x605/0xee0 [ 401.225431][ T1867] do_sendfile+0x854/0xee0 [ 401.230150][ T1867] ? compat_writev+0x3c0/0x3c0 [ 401.235031][ T1867] ? vfs_write+0x41a/0x4e0 [ 401.239605][ T1867] ? fput_many+0x15e/0x1b0 [ 401.244009][ T1867] ? check_preemption_disabled+0x153/0x320 [ 401.249889][ T1867] __x64_sys_sendfile64+0x1ce/0x230 [ 401.255251][ T1867] ? __ia32_sys_sendfile+0x240/0x240 [ 401.260531][ T1867] ? __do_page_fault+0x725/0xbb0 [ 401.265449][ T1867] do_syscall_64+0xca/0x1c0 [ 401.269959][ T1867] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.278058][ T1867] tipc: Failed do clone local mcast rcv buffer [ 401.308069][ T1869] FAULT_INJECTION: forcing a failure. [ 401.308069][ T1869] name failslab, interval 1, probability 0, space 0, times 0 [ 401.321643][ T1869] CPU: 1 PID: 1869 Comm: syz-executor.0 Not tainted 5.4.233-syzkaller #0 [ 401.330135][ T1869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 401.340176][ T1869] Call Trace: [ 401.343472][ T1869] dump_stack+0x1d8/0x241 [ 401.347784][ T1869] ? panic+0x768/0x768 [ 401.351911][ T1869] ? __unwind_start+0x708/0x890 [ 401.356947][ T1869] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 401.362730][ T1869] ? deref_stack_reg+0x1f0/0x1f0 [ 401.367736][ T1869] should_fail+0x71f/0x880 [ 401.372137][ T1869] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.378184][ T1869] ? setup_fault_attr+0x3d0/0x3d0 [ 401.383391][ T1869] ? arch_stack_walk+0x111/0x140 [ 401.388313][ T1869] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.394360][ T1869] ? __alloc_skb+0x7a/0x4d0 [ 401.398853][ T1869] should_failslab+0x5/0x20 [ 401.403449][ T1869] kmem_cache_alloc+0x24/0x220 [ 401.408422][ T1869] __alloc_skb+0x7a/0x4d0 [ 401.412738][ T1869] skb_copy+0xe6/0x760 [ 401.417014][ T1869] ? memcpy+0x38/0x50 [ 401.420984][ T1869] tipc_buf_append+0x581/0xa30 [ 401.425933][ T1869] ? tipc_buf_acquire+0x2a/0xe0 [ 401.431200][ T1869] ? tipc_msg_build+0xabd/0x1120 [ 401.436210][ T1869] ? tipc_msg_create+0x5f0/0x5f0 [ 401.441122][ T1869] ? skb_clone+0x1f3/0x360 [ 401.445526][ T1869] tipc_msg_reassemble+0x37e/0x640 [ 401.450628][ T1869] ? skb_cloned+0x120/0x120 [ 401.455130][ T1869] ? _copy_from_iter_full+0x2e8/0xa80 [ 401.460677][ T1869] tipc_mcast_xmit+0x243/0x1c30 [ 401.465701][ T1869] ? __alloc_skb+0x31c/0x4d0 [ 401.470298][ T1869] ? __virt_addr_valid+0x20e/0x2a0 [ 401.475399][ T1869] ? tipc_bcast_dec_bearer_dst_cnt+0x250/0x250 [ 401.481624][ T1869] ? __check_object_size+0x2bd/0x3a0 [ 401.486900][ T1869] ? tipc_msg_build+0xe4f/0x1120 [ 401.491974][ T1869] ? skb_orphan+0xc0/0xc0 [ 401.496378][ T1869] ? __lru_cache_add+0x1c2/0x210 [ 401.501319][ T1869] ? __local_bh_enable_ip+0x4f/0x70 [ 401.506523][ T1869] ? tipc_nametbl_lookup_dst_nodes+0x2fa/0x340 [ 401.512901][ T1869] ? trace_tipc_sk_sendmcast+0x1f/0x1b0 [ 401.518436][ T1869] __tipc_sendmsg+0x2ac5/0x37b0 [ 401.523634][ T1869] ? tipc_sk_publish+0x400/0x400 [ 401.528588][ T1869] ? avc_has_perm+0x16f/0x260 [ 401.533447][ T1869] ? wait_woken+0x240/0x240 [ 401.538022][ T1869] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 401.543422][ T1869] ? blk_flush_plug_list+0x485/0x4d0 [ 401.548698][ T1869] ? check_preemption_disabled+0x9f/0x320 [ 401.554510][ T1869] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 401.559518][ T1869] ? debug_smp_processor_id+0x20/0x20 [ 401.564874][ T1869] ? selinux_socket_sendmsg+0x243/0x340 [ 401.570417][ T1869] ? __local_bh_enable_ip+0x4f/0x70 [ 401.575595][ T1869] ? lock_sock_nested+0x26a/0x300 [ 401.580723][ T1869] ? sock_def_destruct+0x10/0x10 [ 401.585655][ T1869] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 401.591553][ T1869] ? current_time+0x1af/0x2f0 [ 401.596219][ T1869] ? tipc_recvmsg+0x1380/0x1380 [ 401.601248][ T1869] tipc_sendmsg+0x51/0x70 [ 401.605580][ T1869] kernel_sendmsg+0xf5/0x130 [ 401.610238][ T1869] sock_no_sendpage+0x144/0x1b0 [ 401.615067][ T1869] ? __receive_sock+0xe0/0xe0 [ 401.619803][ T1869] ? touch_atime+0x14f/0x290 [ 401.624379][ T1869] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 401.630270][ T1869] ? __receive_sock+0xe0/0xe0 [ 401.634921][ T1869] sock_sendpage+0xd1/0x120 [ 401.639407][ T1869] pipe_to_sendpage+0x242/0x310 [ 401.644324][ T1869] ? sock_fasync+0xf0/0xf0 [ 401.648716][ T1869] ? generic_splice_sendpage+0x220/0x220 [ 401.654417][ T1869] ? atime_needs_update+0x2cd/0x590 [ 401.659631][ T1869] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 401.665745][ T1869] __splice_from_pipe+0x2a0/0x830 [ 401.671287][ T1869] ? generic_splice_sendpage+0x220/0x220 [ 401.677049][ T1869] generic_splice_sendpage+0x195/0x220 [ 401.682492][ T1869] ? iter_file_splice_write+0xf60/0xf60 [ 401.688016][ T1869] ? direct_splice_actor+0x25/0x120 [ 401.693191][ T1869] splice_direct_to_actor+0x497/0xae0 [ 401.698834][ T1869] ? do_splice_direct+0x3c0/0x3c0 [ 401.703946][ T1869] ? pipe_to_sendpage+0x310/0x310 [ 401.709068][ T1869] ? security_file_permission+0x117/0x2f0 [ 401.715029][ T1869] do_splice_direct+0x27f/0x3c0 [ 401.719883][ T1869] ? splice_direct_to_actor+0xae0/0xae0 [ 401.725501][ T1869] ? security_file_permission+0x117/0x2f0 [ 401.731590][ T1869] ? do_sendfile+0x605/0xee0 [ 401.736162][ T1869] do_sendfile+0x854/0xee0 [ 401.740811][ T1869] ? compat_writev+0x3c0/0x3c0 [ 401.745661][ T1869] ? vfs_write+0x41a/0x4e0 [ 401.750054][ T1869] ? fput_many+0x15e/0x1b0 [ 401.754448][ T1869] ? check_preemption_disabled+0x153/0x320 [ 401.760254][ T1869] __x64_sys_sendfile64+0x1ce/0x230 [ 401.765517][ T1869] ? __ia32_sys_sendfile+0x240/0x240 [ 401.770797][ T1869] ? __do_page_fault+0x725/0xbb0 [ 401.775717][ T1869] do_syscall_64+0xca/0x1c0 [ 401.780372][ T1869] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.787552][ T1869] tipc: Failed do clone local mcast rcv buffer [ 401.803671][ T1871] FAULT_INJECTION: forcing a failure. [ 401.803671][ T1871] name failslab, interval 1, probability 0, space 0, times 0 [ 401.816598][ T1871] CPU: 1 PID: 1871 Comm: syz-executor.0 Not tainted 5.4.233-syzkaller #0 [ 401.825081][ T1871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 401.835118][ T1871] Call Trace: [ 401.838475][ T1871] dump_stack+0x1d8/0x241 [ 401.842802][ T1871] ? panic+0x768/0x768 [ 401.846935][ T1871] ? __unwind_start+0x708/0x890 [ 401.851762][ T1871] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 401.857542][ T1871] ? deref_stack_reg+0x1f0/0x1f0 [ 401.862465][ T1871] should_fail+0x71f/0x880 [ 401.866946][ T1871] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.873072][ T1871] ? setup_fault_attr+0x3d0/0x3d0 [ 401.878070][ T1871] ? arch_stack_walk+0x111/0x140 [ 401.883020][ T1871] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 401.889071][ T1871] ? __alloc_skb+0x7a/0x4d0 [ 401.893564][ T1871] should_failslab+0x5/0x20 [ 401.898041][ T1871] kmem_cache_alloc+0x24/0x220 [ 401.902803][ T1871] __alloc_skb+0x7a/0x4d0 [ 401.907105][ T1871] skb_copy+0xe6/0x760 [ 401.911170][ T1871] ? memcpy+0x38/0x50 [ 401.915169][ T1871] tipc_buf_append+0x581/0xa30 [ 401.919930][ T1871] ? tipc_buf_acquire+0x2a/0xe0 [ 401.924760][ T1871] ? tipc_msg_build+0xabd/0x1120 [ 401.929876][ T1871] ? tipc_msg_create+0x5f0/0x5f0 [ 401.936804][ T1871] ? skb_clone+0x1f3/0x360 [ 401.941224][ T1871] tipc_msg_reassemble+0x37e/0x640 [ 401.946570][ T1871] ? skb_cloned+0x120/0x120 [ 401.951161][ T1871] ? _copy_from_iter_full+0x2e8/0xa80 [ 401.956663][ T1871] tipc_mcast_xmit+0x243/0x1c30 [ 401.961573][ T1871] ? __alloc_skb+0x31c/0x4d0 [ 401.966153][ T1871] ? __virt_addr_valid+0x20e/0x2a0 [ 401.971847][ T1871] ? tipc_bcast_dec_bearer_dst_cnt+0x250/0x250 [ 401.978151][ T1871] ? __check_object_size+0x2bd/0x3a0 [ 401.983495][ T1871] ? tipc_msg_build+0xe4f/0x1120 [ 401.988496][ T1871] ? skb_orphan+0xc0/0xc0 [ 401.992973][ T1871] ? __lru_cache_add+0x1c2/0x210 [ 401.997906][ T1871] ? __local_bh_enable_ip+0x4f/0x70 [ 402.003162][ T1871] ? tipc_nametbl_lookup_dst_nodes+0x2fa/0x340 [ 402.009288][ T1871] ? trace_tipc_sk_sendmcast+0x1f/0x1b0 [ 402.014994][ T1871] __tipc_sendmsg+0x2ac5/0x37b0 [ 402.019971][ T1871] ? tipc_sk_publish+0x400/0x400 [ 402.025008][ T1871] ? avc_has_perm+0x16f/0x260 [ 402.029755][ T1871] ? wait_woken+0x240/0x240 [ 402.034241][ T1871] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 402.039791][ T1871] ? blk_flush_plug_list+0x485/0x4d0 [ 402.045167][ T1871] ? check_preemption_disabled+0x9f/0x320 [ 402.050937][ T1871] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 402.055941][ T1871] ? debug_smp_processor_id+0x20/0x20 [ 402.061376][ T1871] ? selinux_socket_sendmsg+0x243/0x340 [ 402.066984][ T1871] ? __local_bh_enable_ip+0x4f/0x70 [ 402.072177][ T1871] ? lock_sock_nested+0x26a/0x300 [ 402.077196][ T1871] ? sock_def_destruct+0x10/0x10 [ 402.082369][ T1871] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 402.088177][ T1871] ? current_time+0x1af/0x2f0 [ 402.092866][ T1871] ? tipc_recvmsg+0x1380/0x1380 [ 402.097711][ T1871] tipc_sendmsg+0x51/0x70 [ 402.102032][ T1871] kernel_sendmsg+0xf5/0x130 [ 402.106621][ T1871] sock_no_sendpage+0x144/0x1b0 [ 402.111473][ T1871] ? __receive_sock+0xe0/0xe0 [ 402.116213][ T1871] ? touch_atime+0x14f/0x290 [ 402.120906][ T1871] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 402.126660][ T1871] ? __receive_sock+0xe0/0xe0 [ 402.131319][ T1871] sock_sendpage+0xd1/0x120 [ 402.135980][ T1871] pipe_to_sendpage+0x242/0x310 [ 402.140808][ T1871] ? sock_fasync+0xf0/0xf0 [ 402.145473][ T1871] ? generic_splice_sendpage+0x220/0x220 [ 402.151083][ T1871] ? atime_needs_update+0x2cd/0x590 [ 402.156296][ T1871] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 402.162513][ T1871] __splice_from_pipe+0x2a0/0x830 [ 402.167648][ T1871] ? generic_splice_sendpage+0x220/0x220 [ 402.173815][ T1871] generic_splice_sendpage+0x195/0x220 [ 402.179450][ T1871] ? iter_file_splice_write+0xf60/0xf60 [ 402.185066][ T1871] ? direct_splice_actor+0x25/0x120 [ 402.190338][ T1871] splice_direct_to_actor+0x497/0xae0 [ 402.195827][ T1871] ? do_splice_direct+0x3c0/0x3c0 [ 402.200830][ T1871] ? pipe_to_sendpage+0x310/0x310 [ 402.205933][ T1871] ? security_file_permission+0x117/0x2f0 [ 402.211754][ T1871] do_splice_direct+0x27f/0x3c0 [ 402.216843][ T1871] ? splice_direct_to_actor+0xae0/0xae0 [ 402.222473][ T1871] ? security_file_permission+0x117/0x2f0 [ 402.228254][ T1871] ? do_sendfile+0x605/0xee0 [ 402.232838][ T1871] do_sendfile+0x854/0xee0 [ 402.237356][ T1871] ? compat_writev+0x3c0/0x3c0 [ 402.242097][ T1871] ? vfs_write+0x41a/0x4e0 [ 402.246495][ T1871] ? fput_many+0x15e/0x1b0 [ 402.250977][ T1871] ? check_preemption_disabled+0x153/0x320 [ 402.256777][ T1871] __x64_sys_sendfile64+0x1ce/0x230 [ 402.261948][ T1871] ? __ia32_sys_sendfile+0x240/0x240 [ 402.267293][ T1871] ? __do_page_fault+0x725/0xbb0 [ 402.272203][ T1871] do_syscall_64+0xca/0x1c0 [ 402.276696][ T1871] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 402.282783][ T1871] tipc: Failed do clone local mcast rcv buffer [ 402.340938][ T333] syz-executor.0 (333) used greatest stack depth: 20760 bytes left [ 403.140403][ T7] device bridge_slave_1 left promiscuous mode [ 403.146548][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.154014][ T7] device bridge_slave_0 left promiscuous mode [ 403.160238][ T7] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. [ 405.344229][ T1877] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.351647][ T1877] bridge0: port 1(bridge_slave_0) entered disabled state [ 405.358950][ T1877] device bridge_slave_0 entered promiscuous mode [ 405.365980][ T1877] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.373537][ T1877] bridge0: port 2(bridge_slave_1) entered disabled state [ 405.380890][ T1877] device bridge_slave_1 entered promiscuous mode [ 405.416464][ T1877] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.423519][ T1877] bridge0: port 2(bridge_slave_1) entered forwarding state [ 405.430919][ T1877] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.437937][ T1877] bridge0: port 1(bridge_slave_0) entered forwarding state [ 405.456996][ T101] bridge0: port 1(bridge_slave_0) entered disabled state [ 405.464693][ T101] bridge0: port 2(bridge_slave_1) entered disabled state [ 405.472893][ T101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 405.480476][ T101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 405.489530][ T1873] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 405.497830][ T1873] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.504955][ T1873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 405.520754][ T1873] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 405.528866][ T1873] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.535897][ T1873] bridge0: port 2(bridge_slave_1) entered forwarding state [ 405.544028][ T1873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 405.552001][ T1873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 405.563623][ T101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 405.580715][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 405.588706][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 405.600550][ T101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 405.608832][ T101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 405.623650][ T1877] FAULT_INJECTION: forcing a failure. [ 405.623650][ T1877] name failslab, interval 1, probability 0, space 0, times 0 [ 405.636716][ T1877] CPU: 0 PID: 1877 Comm: syz-executor422 Not tainted 5.4.233-syzkaller #0 [ 405.645212][ T1877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 405.655335][ T1877] Call Trace: [ 405.658797][ T1877] dump_stack+0x1d8/0x241 [ 405.663111][ T1877] ? panic+0x768/0x768 [ 405.667185][ T1877] ? __unwind_start+0x708/0x890 [ 405.672016][ T1877] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 405.677879][ T1877] ? deref_stack_reg+0x1f0/0x1f0 [ 405.682959][ T1877] should_fail+0x71f/0x880 [ 405.687349][ T1877] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 405.693382][ T1877] ? setup_fault_attr+0x3d0/0x3d0 [ 405.698375][ T1877] ? arch_stack_walk+0x111/0x140 [ 405.703383][ T1877] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 405.709422][ T1877] ? __alloc_skb+0x7a/0x4d0 [ 405.713896][ T1877] should_failslab+0x5/0x20 [ 405.718380][ T1877] kmem_cache_alloc+0x24/0x220 [ 405.723124][ T1877] __alloc_skb+0x7a/0x4d0 [ 405.727429][ T1877] skb_copy+0xe6/0x760 [ 405.731495][ T1877] ? memcpy+0x38/0x50 [ 405.735627][ T1877] tipc_buf_append+0x581/0xa30 [ 405.740362][ T1877] ? tipc_buf_acquire+0x2a/0xe0 [ 405.745182][ T1877] ? tipc_msg_build+0xabd/0x1120 [ 405.750183][ T1877] ? tipc_msg_create+0x5f0/0x5f0 [ 405.755277][ T1877] ? skb_clone+0x1f3/0x360 [ 405.759671][ T1877] tipc_msg_reassemble+0x37e/0x640 [ 405.764759][ T1877] ? skb_cloned+0x120/0x120 [ 405.769235][ T1877] ? _copy_from_iter_full+0x2e8/0xa80 [ 405.774573][ T1877] tipc_mcast_xmit+0x243/0x1c30 [ 405.779444][ T1877] ? __alloc_skb+0x31c/0x4d0 [ 405.784109][ T1877] ? __virt_addr_valid+0x20e/0x2a0 [ 405.789208][ T1877] ? tipc_bcast_dec_bearer_dst_cnt+0x250/0x250 [ 405.795351][ T1877] ? __check_object_size+0x2bd/0x3a0 [ 405.800736][ T1877] ? tipc_msg_build+0xe4f/0x1120 [ 405.805834][ T1877] ? skb_orphan+0xc0/0xc0 [ 405.810161][ T1877] ? __lru_cache_add+0x1c2/0x210 [ 405.815083][ T1877] ? __local_bh_enable_ip+0x4f/0x70 [ 405.820252][ T1877] ? tipc_nametbl_lookup_dst_nodes+0x2fa/0x340 [ 405.826484][ T1877] ? trace_tipc_sk_sendmcast+0x1f/0x1b0 [ 405.832012][ T1877] __tipc_sendmsg+0x2ac5/0x37b0 [ 405.836844][ T1877] ? tipc_sk_publish+0x400/0x400 [ 405.841782][ T1877] ? avc_has_perm+0x16f/0x260 [ 405.846438][ T1877] ? wait_woken+0x240/0x240 [ 405.850916][ T1877] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 405.856365][ T1877] ? blk_flush_plug_list+0x485/0x4d0 [ 405.861641][ T1877] ? check_preemption_disabled+0x9f/0x320 [ 405.867519][ T1877] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 405.872516][ T1877] ? debug_smp_processor_id+0x20/0x20 [ 405.877858][ T1877] ? selinux_socket_sendmsg+0x243/0x340 [ 405.883394][ T1877] ? __local_bh_enable_ip+0x4f/0x70 [ 405.888647][ T1877] ? lock_sock_nested+0x26a/0x300 [ 405.893646][ T1877] ? sock_def_destruct+0x10/0x10 [ 405.898551][ T1877] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 405.904237][ T1877] ? current_time+0x1af/0x2f0 [ 405.908881][ T1877] ? tipc_recvmsg+0x1380/0x1380 [ 405.913719][ T1877] tipc_sendmsg+0x51/0x70 [ 405.918034][ T1877] kernel_sendmsg+0xf5/0x130 [ 405.922681][ T1877] sock_no_sendpage+0x144/0x1b0 [ 405.927502][ T1877] ? __receive_sock+0xe0/0xe0 [ 405.932167][ T1877] ? touch_atime+0x14f/0x290 [ 405.936745][ T1877] ? ktime_get_coarse_real_ts64+0xcc/0xe0 [ 405.942435][ T1877] ? __receive_sock+0xe0/0xe0 [ 405.947104][ T1877] sock_sendpage+0xd1/0x120 [ 405.951581][ T1877] pipe_to_sendpage+0x242/0x310 [ 405.956409][ T1877] ? sock_fasync+0xf0/0xf0 [ 405.960796][ T1877] ? generic_splice_sendpage+0x220/0x220 [ 405.966395][ T1877] ? atime_needs_update+0x2cd/0x590 [ 405.971652][ T1877] ? page_cache_pipe_buf_confirm+0x128/0x220 [ 405.977684][ T1877] __splice_from_pipe+0x2a0/0x830 [ 405.982679][ T1877] ? generic_splice_sendpage+0x220/0x220 [ 405.988279][ T1877] generic_splice_sendpage+0x195/0x220 [ 405.993737][ T1877] ? iter_file_splice_write+0xf60/0xf60 [ 405.999249][ T1877] ? direct_splice_actor+0x25/0x120 [ 406.004412][ T1877] splice_direct_to_actor+0x497/0xae0 [ 406.009753][ T1877] ? do_splice_direct+0x3c0/0x3c0 [ 406.014743][ T1877] ? pipe_to_sendpage+0x310/0x310 [ 406.019737][ T1877] ? security_file_permission+0x117/0x2f0 [ 406.025657][ T1877] do_splice_direct+0x27f/0x3c0 [ 406.030491][ T1877] ? splice_direct_to_actor+0xae0/0xae0 [ 406.036018][ T1877] ? security_file_permission+0x117/0x2f0 [ 406.041709][ T1877] ? do_sendfile+0x605/0xee0 [ 406.046634][ T1877] do_sendfile+0x854/0xee0 [ 406.051024][ T1877] ? compat_writev+0x3c0/0x3c0 [ 406.055867][ T1877] ? vfs_write+0x41a/0x4e0 [ 406.060257][ T1877] ? check_preemption_disabled+0x153/0x320 [ 406.066033][ T1877] __x64_sys_sendfile64+0x1ce/0x230 [ 406.071222][ T1877] ? __ia32_sys_sendfile+0x240/0x240 [ 406.076473][ T1877] ? __do_page_fault+0x725/0xbb0 [ 406.081388][ T1877] do_syscall_64+0xca/0x1c0 [ 406.085863][ T1877] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 406.095052][ T1877] tipc: Failed do clone local mcast rcv buffer