28.059068] ? do_syscall_64+0x21/0x4d0 [ 328.063035] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.068389] __x64_sys_write+0x6e/0xb0 [ 328.072269] do_syscall_64+0xd0/0x4d0 [ 328.076062] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.081237] RIP: 0033:0x4592c9 [ 328.084428] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 328.103321] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 328.111018] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 328.118283] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 328.125544] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 328.132811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 328.140069] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 328.147349] CPU: 0 PID: 11488 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 328.154549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.163982] Call Trace: [ 328.166570] dump_stack+0x113/0x167 [ 328.170204] should_fail.cold.4+0x5/0x13 [ 328.174270] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 328.179371] ? lock_downgrade+0x7f0/0x7f0 [ 328.183519] ? ___might_sleep+0x16b/0x270 [ 328.187665] __should_failslab+0xba/0xf0 [ 328.187673] should_failslab+0x9/0x14 [ 328.187678] kmem_cache_alloc_node+0x270/0x730 [ 328.187687] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.187692] ? finish_task_switch+0x14a/0x6d0 [ 328.187704] __alloc_skb+0xa7/0x570 [ 328.187710] ? skb_scrub_packet+0x3a0/0x3a0 [ 328.187724] _sctp_make_chunk+0x3f/0x260 [ 328.187732] sctp_make_datafrag_empty+0x159/0x260 [ 328.187740] ? sctp_make_ecne+0xf0/0xf0 [ 328.187749] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.187758] sctp_datamsg_from_user+0x4d7/0xf30 [ 328.187763] ? retint_kernel+0x2d/0x2d [ 328.187778] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 328.212745] ? find_held_lock+0x36/0x1d0 [ 328.221105] ? sctp_clear_owner_w+0xf0/0xf0 [ 328.229880] ? lock_sock_nested+0xc5/0x100 [ 328.229886] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.229892] ? __local_bh_enable_ip+0x160/0x260 [ 328.229897] ? lock_sock_nested+0x82/0x100 [ 328.229902] ? trace_hardirqs_on+0x28/0x190 [ 328.229907] ? lock_sock_nested+0x82/0x100 [ 328.229914] ? __local_bh_enable_ip+0x160/0x260 [ 328.229923] sctp_sendmsg+0xb80/0x1710 [ 328.229934] ? sctp_id2assoc+0x250/0x250 [ 328.229941] ? ___might_sleep+0x16b/0x270 [ 328.229952] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.229966] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 328.229975] inet_sendmsg+0x108/0x440 [ 328.312631] ? security_socket_sendmsg+0x4a/0x90 [ 328.317382] ? ipip_gro_receive+0xf0/0xf0 [ 328.321525] sock_sendmsg+0xb5/0xf0 [ 328.325146] sock_write_iter+0x1e9/0x3d0 [ 328.329370] ? sock_sendmsg+0xf0/0xf0 [ 328.333178] __vfs_write+0x4a3/0x970 [ 328.336887] ? lock_downgrade+0x7f0/0x7f0 [ 328.341025] ? kernel_read+0x130/0x130 [ 328.344902] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.349835] ? apparmor_file_permission+0x15/0x20 [ 328.354671] ? rw_verify_area+0xb8/0x2b0 [ 328.358724] vfs_write+0x150/0x4e0 [ 328.362272] ksys_write+0xcd/0x1b0 [ 328.365809] ? __ia32_sys_read+0xa0/0xa0 [ 328.369864] ? do_syscall_64+0x21/0x4d0 [ 328.373832] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.379194] __x64_sys_write+0x6e/0xb0 [ 328.383075] do_syscall_64+0xd0/0x4d0 [ 328.386867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.392049] RIP: 0033:0x4592c9 [ 328.395418] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 328.414397] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 328.422107] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 328.429367] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 328.436624] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 328.443976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 328.451236] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 328.459507] CPU: 1 PID: 11473 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 328.467638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.476989] Call Trace: [ 328.479574] dump_stack+0x113/0x167 [ 328.483212] should_fail.cold.4+0x5/0x13 [ 328.487276] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 328.492372] ? lock_downgrade+0x7f0/0x7f0 [ 328.496517] ? ___might_sleep+0x16b/0x270 [ 328.500667] __should_failslab+0xba/0xf0 [ 328.504723] should_failslab+0x9/0x14 [ 328.504728] kmem_cache_alloc_node+0x270/0x730 [ 328.504735] ? find_held_lock+0x36/0x1d0 [ 328.504748] __alloc_skb+0xa7/0x570 [ 328.504755] ? skb_scrub_packet+0x3a0/0x3a0 [ 328.504769] _sctp_make_chunk+0x3f/0x260 [ 328.517181] sctp_make_datafrag_empty+0x159/0x260 [ 328.517189] ? sctp_make_ecne+0xf0/0xf0 [ 328.517200] ? process_measurement+0x805/0x14b0 [ 328.517209] sctp_datamsg_from_user+0x4d7/0xf30 [ 328.517218] ? mark_held_locks+0x130/0x130 [ 328.517229] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 328.517236] ? find_held_lock+0x36/0x1d0 [ 328.517246] ? sctp_clear_owner_w+0xf0/0xf0 [ 328.529228] ? lock_sock_nested+0xc5/0x100 [ 328.568737] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.573314] ? __local_bh_enable_ip+0x160/0x260 [ 328.577976] ? lock_sock_nested+0x82/0x100 [ 328.582208] ? trace_hardirqs_on+0x28/0x190 [ 328.586619] ? lock_sock_nested+0x82/0x100 [ 328.590851] ? lock_sock_nested+0x82/0x100 [ 328.595085] ? __local_bh_enable_ip+0x160/0x260 [ 328.595309] FAULT_INJECTION: forcing a failure. [ 328.595309] name failslab, interval 1, probability 0, space 0, times 0 [ 328.599748] sctp_sendmsg+0xb80/0x1710 [ 328.599760] ? sctp_id2assoc+0x250/0x250 [ 328.599768] ? ___might_sleep+0x16b/0x270 [ 328.599779] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.599800] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 328.599809] inet_sendmsg+0x108/0x440 [ 328.611432] FAULT_INJECTION: forcing a failure. [ 328.611432] name failslab, interval 1, probability 0, space 0, times 0 [ 328.614888] ? security_socket_sendmsg+0x4a/0x90 [ 328.614896] ? ipip_gro_receive+0xf0/0xf0 [ 328.614905] sock_sendmsg+0xb5/0xf0 [ 328.614912] sock_write_iter+0x1e9/0x3d0 [ 328.614919] ? sock_sendmsg+0xf0/0xf0 [ 328.614936] __vfs_write+0x4a3/0x970 [ 328.672305] ? lock_downgrade+0x7f0/0x7f0 [ 328.676448] ? kernel_read+0x130/0x130 [ 328.680329] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.685264] ? apparmor_file_permission+0x15/0x20 [ 328.690189] ? rw_verify_area+0xb8/0x2b0 [ 328.694245] vfs_write+0x150/0x4e0 [ 328.697779] ksys_write+0xcd/0x1b0 [ 328.701318] ? __ia32_sys_read+0xa0/0xa0 [ 328.705369] ? do_syscall_64+0x21/0x4d0 [ 328.709337] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.714693] __x64_sys_write+0x6e/0xb0 [ 328.718570] do_syscall_64+0xd0/0x4d0 [ 328.722362] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.727541] RIP: 0033:0x4592c9 [ 328.730726] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 328.749615] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 328.757314] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 328.764571] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 328.771831] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 328.779090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 328.786350] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 328.793665] CPU: 0 PID: 11511 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 328.800855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.810201] Call Trace: [ 328.812781] dump_stack+0x113/0x167 [ 328.816406] should_fail.cold.4+0x5/0x13 [ 328.820459] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 328.825551] ? lock_downgrade+0x7f0/0x7f0 [ 328.829694] ? ___might_sleep+0x16b/0x270 [ 328.833925] __should_failslab+0xba/0xf0 [ 328.837983] should_failslab+0x9/0x14 [ 328.841776] kmem_cache_alloc_node+0x270/0x730 [ 328.846433] ? find_held_lock+0x36/0x1d0 [ 328.850490] __alloc_skb+0xa7/0x570 [ 328.854111] ? skb_scrub_packet+0x3a0/0x3a0 [ 328.858441] _sctp_make_chunk+0x3f/0x260 [ 328.863214] sctp_make_datafrag_empty+0x159/0x260 [ 328.868053] ? sctp_make_ecne+0xf0/0xf0 [ 328.872081] ? process_measurement+0x805/0x14b0 [ 328.876925] sctp_datamsg_from_user+0x4d7/0xf30 [ 328.881591] ? mark_held_locks+0x130/0x130 [ 328.885835] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 328.890408] ? find_held_lock+0x36/0x1d0 [ 328.894463] ? sctp_clear_owner_w+0xf0/0xf0 [ 328.898776] ? lock_sock_nested+0xc5/0x100 [ 328.903014] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.907590] ? __local_bh_enable_ip+0x160/0x260 [ 328.912253] ? lock_sock_nested+0x82/0x100 [ 328.916482] ? trace_hardirqs_on+0x28/0x190 [ 328.920923] ? lock_sock_nested+0x82/0x100 [ 328.925156] ? lock_sock_nested+0x82/0x100 [ 328.929385] ? __local_bh_enable_ip+0x160/0x260 [ 328.934068] sctp_sendmsg+0xb80/0x1710 [ 328.937966] ? sctp_id2assoc+0x250/0x250 [ 328.942018] ? ___might_sleep+0x16b/0x270 [ 328.946159] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.951088] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 328.956010] inet_sendmsg+0x108/0x440 [ 328.959889] ? security_socket_sendmsg+0x4a/0x90 [ 328.964636] ? ipip_gro_receive+0xf0/0xf0 [ 328.968777] sock_sendmsg+0xb5/0xf0 [ 328.972401] sock_write_iter+0x1e9/0x3d0 [ 328.976522] ? sock_sendmsg+0xf0/0xf0 [ 328.980331] __vfs_write+0x4a3/0x970 [ 328.984040] ? lock_downgrade+0x7f0/0x7f0 [ 328.988179] ? kernel_read+0x130/0x130 [ 328.992069] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 328.997001] ? apparmor_file_permission+0x15/0x20 [ 329.001842] ? rw_verify_area+0xb8/0x2b0 [ 329.005898] vfs_write+0x150/0x4e0 [ 329.009442] ksys_write+0xcd/0x1b0 [ 329.012972] ? __ia32_sys_read+0xa0/0xa0 [ 329.017024] ? do_syscall_64+0x21/0x4d0 [ 329.020994] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.026351] __x64_sys_write+0x6e/0xb0 [ 329.030260] do_syscall_64+0xd0/0x4d0 [ 329.034084] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.039264] RIP: 0033:0x4592c9 [ 329.042454] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 329.061349] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 329.069050] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 329.076314] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 329.083759] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 329.091398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 329.098658] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 329.105931] CPU: 1 PID: 11499 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 329.113127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.122476] Call Trace: [ 329.125059] dump_stack+0x113/0x167 [ 329.128687] should_fail.cold.4+0x5/0x13 [ 329.132748] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 329.137848] ? lock_downgrade+0x7f0/0x7f0 [ 329.142000] ? ___might_sleep+0x16b/0x270 [ 329.146161] __should_failslab+0xba/0xf0 [ 329.150227] should_failslab+0x9/0x14 [ 329.154036] kmem_cache_alloc_node+0x270/0x730 [ 329.158615] ? find_held_lock+0x36/0x1d0 [ 329.162679] __alloc_skb+0xa7/0x570 [ 329.162688] ? skb_scrub_packet+0x3a0/0x3a0 [ 329.162702] _sctp_make_chunk+0x3f/0x260 [ 329.170645] sctp_make_datafrag_empty+0x159/0x260 [ 329.170652] ? sctp_make_ecne+0xf0/0xf0 [ 329.170661] ? process_measurement+0x805/0x14b0 [ 329.170670] sctp_datamsg_from_user+0x4d7/0xf30 [ 329.170679] ? mark_held_locks+0x130/0x130 [ 329.170689] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 329.201619] ? find_held_lock+0x36/0x1d0 [ 329.205690] ? sctp_clear_owner_w+0xf0/0xf0 [ 329.210008] ? lock_sock_nested+0xc5/0x100 [ 329.214238] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.218817] ? __local_bh_enable_ip+0x160/0x260 [ 329.223479] ? lock_sock_nested+0x82/0x100 [ 329.227712] ? trace_hardirqs_on+0x28/0x190 [ 329.232029] ? lock_sock_nested+0x82/0x100 [ 329.236262] ? lock_sock_nested+0x82/0x100 [ 329.240494] ? __local_bh_enable_ip+0x160/0x260 [ 329.244100] FAULT_INJECTION: forcing a failure. [ 329.244100] name failslab, interval 1, probability 0, space 0, times 0 [ 329.245175] sctp_sendmsg+0xb80/0x1710 [ 329.245188] ? sctp_id2assoc+0x250/0x250 [ 329.245195] ? ___might_sleep+0x16b/0x270 [ 329.245206] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.265061] FAULT_INJECTION: forcing a failure. [ 329.265061] name failslab, interval 1, probability 0, space 0, times 0 [ 329.268438] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 329.268449] inet_sendmsg+0x108/0x440 [ 329.268455] ? security_socket_sendmsg+0x4a/0x90 [ 329.268461] ? ipip_gro_receive+0xf0/0xf0 [ 329.268468] sock_sendmsg+0xb5/0xf0 [ 329.268475] sock_write_iter+0x1e9/0x3d0 [ 329.268482] ? sock_sendmsg+0xf0/0xf0 [ 329.313559] __vfs_write+0x4a3/0x970 [ 329.317266] ? lock_downgrade+0x7f0/0x7f0 [ 329.321403] ? kernel_read+0x130/0x130 [ 329.325287] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.330473] ? apparmor_file_permission+0x15/0x20 [ 329.335306] ? rw_verify_area+0xb8/0x2b0 [ 329.339362] vfs_write+0x150/0x4e0 [ 329.342895] ksys_write+0xcd/0x1b0 [ 329.346423] ? __ia32_sys_read+0xa0/0xa0 [ 329.350474] ? do_syscall_64+0x21/0x4d0 [ 329.354525] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.359880] __x64_sys_write+0x6e/0xb0 [ 329.363760] do_syscall_64+0xd0/0x4d0 [ 329.367556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.372736] RIP: 0033:0x4592c9 [ 329.375927] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 329.394819] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 329.402515] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 329.409771] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 329.417034] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 329.424290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 329.431550] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 329.438829] CPU: 0 PID: 11521 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 329.446195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.455544] Call Trace: [ 329.458128] dump_stack+0x113/0x167 [ 329.461754] should_fail.cold.4+0x5/0x13 [ 329.465811] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 329.470909] ? lock_downgrade+0x7f0/0x7f0 [ 329.475059] ? ___might_sleep+0x16b/0x270 [ 329.479201] __should_failslab+0xba/0xf0 [ 329.483251] should_failslab+0x9/0x14 [ 329.487040] kmem_cache_alloc_node+0x270/0x730 [ 329.491615] ? find_held_lock+0x36/0x1d0 [ 329.495675] __alloc_skb+0xa7/0x570 [ 329.499305] ? skb_scrub_packet+0x3a0/0x3a0 [ 329.503626] _sctp_make_chunk+0x3f/0x260 [ 329.507685] sctp_make_datafrag_empty+0x159/0x260 [ 329.512541] ? sctp_make_ecne+0xf0/0xf0 [ 329.516519] ? process_measurement+0x805/0x14b0 [ 329.521179] sctp_datamsg_from_user+0x4d7/0xf30 [ 329.525843] ? mark_held_locks+0x130/0x130 [ 329.530072] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 329.534643] ? find_held_lock+0x36/0x1d0 [ 329.538699] ? sctp_clear_owner_w+0xf0/0xf0 [ 329.543015] ? lock_sock_nested+0xc5/0x100 [ 329.547418] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.551992] ? __local_bh_enable_ip+0x160/0x260 [ 329.556655] ? lock_sock_nested+0x82/0x100 [ 329.560886] ? trace_hardirqs_on+0x28/0x190 [ 329.565205] ? lock_sock_nested+0x82/0x100 [ 329.569432] ? lock_sock_nested+0x82/0x100 [ 329.573660] ? __local_bh_enable_ip+0x160/0x260 [ 329.578329] sctp_sendmsg+0xb80/0x1710 [ 329.582230] ? sctp_id2assoc+0x250/0x250 [ 329.586282] ? ___might_sleep+0x16b/0x270 [ 329.590429] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.595366] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 329.600300] inet_sendmsg+0x108/0x440 [ 329.604102] ? security_socket_sendmsg+0x4a/0x90 [ 329.608854] ? ipip_gro_receive+0xf0/0xf0 [ 329.612995] sock_sendmsg+0xb5/0xf0 [ 329.616623] sock_write_iter+0x1e9/0x3d0 [ 329.620682] ? sock_sendmsg+0xf0/0xf0 [ 329.624492] __vfs_write+0x4a3/0x970 [ 329.628197] ? lock_downgrade+0x7f0/0x7f0 [ 329.632336] ? kernel_read+0x130/0x130 [ 329.636222] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.641149] ? apparmor_file_permission+0x15/0x20 [ 329.645983] ? rw_verify_area+0xb8/0x2b0 [ 329.650042] vfs_write+0x150/0x4e0 [ 329.653579] ksys_write+0xcd/0x1b0 [ 329.657112] ? __ia32_sys_read+0xa0/0xa0 [ 329.661196] ? do_syscall_64+0x21/0x4d0 [ 329.665162] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.670520] __x64_sys_write+0x6e/0xb0 [ 329.674399] do_syscall_64+0xd0/0x4d0 [ 329.678193] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.683371] RIP: 0033:0x4592c9 [ 329.686550] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 329.705446] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 329.713153] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 329.720417] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 329.727680] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 329.736190] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 329.743453] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 329.750735] CPU: 1 PID: 11510 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 329.757927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.757930] Call Trace: [ 329.757943] dump_stack+0x113/0x167 [ 329.757954] should_fail.cold.4+0x5/0x13 [ 329.757962] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 329.782632] ? lock_downgrade+0x7f0/0x7f0 [ 329.786774] ? ___might_sleep+0x16b/0x270 [ 329.791040] __should_failslab+0xba/0xf0 [ 329.795098] should_failslab+0x9/0x14 [ 329.798889] kmem_cache_alloc_node+0x270/0x730 [ 329.803465] ? find_held_lock+0x36/0x1d0 [ 329.807531] __alloc_skb+0xa7/0x570 [ 329.811152] ? skb_scrub_packet+0x3a0/0x3a0 [ 329.815473] _sctp_make_chunk+0x3f/0x260 [ 329.819527] sctp_make_datafrag_empty+0x159/0x260 [ 329.824360] ? sctp_make_ecne+0xf0/0xf0 [ 329.828329] ? process_measurement+0x805/0x14b0 [ 329.832993] sctp_datamsg_from_user+0x4d7/0xf30 [ 329.837656] ? mark_held_locks+0x130/0x130 [ 329.841891] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 329.855062] ? find_held_lock+0x36/0x1d0 [ 329.859117] ? sctp_clear_owner_w+0xf0/0xf0 [ 329.863966] ? lock_sock_nested+0xc5/0x100 [ 329.868199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.872769] ? __local_bh_enable_ip+0x160/0x260 [ 329.877430] ? lock_sock_nested+0x82/0x100 [ 329.881681] ? trace_hardirqs_on+0x28/0x190 [ 329.885991] ? lock_sock_nested+0x82/0x100 [ 329.890217] ? lock_sock_nested+0x82/0x100 [ 329.894446] ? __local_bh_enable_ip+0x160/0x260 [ 329.899111] sctp_sendmsg+0xb80/0x1710 [ 329.903015] ? sctp_id2assoc+0x250/0x250 [ 329.907073] ? ___might_sleep+0x16b/0x270 [ 329.911749] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.916873] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 329.921809] inet_sendmsg+0x108/0x440 [ 329.925605] ? security_socket_sendmsg+0x4a/0x90 [ 329.930820] ? ipip_gro_receive+0xf0/0xf0 [ 329.934965] sock_sendmsg+0xb5/0xf0 [ 329.938585] sock_write_iter+0x1e9/0x3d0 [ 329.942663] ? sock_sendmsg+0xf0/0xf0 [ 329.946492] __vfs_write+0x4a3/0x970 [ 329.950284] ? lock_downgrade+0x7f0/0x7f0 [ 329.954430] ? kernel_read+0x130/0x130 [ 329.958312] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 329.963239] ? apparmor_file_permission+0x15/0x20 [ 329.968104] ? rw_verify_area+0xb8/0x2b0 [ 329.972159] vfs_write+0x150/0x4e0 [ 329.975697] ksys_write+0xcd/0x1b0 [ 329.979488] ? __ia32_sys_read+0xa0/0xa0 [ 329.983547] ? do_syscall_64+0x21/0x4d0 [ 329.987608] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.992992] __x64_sys_write+0x6e/0xb0 [ 329.996901] do_syscall_64+0xd0/0x4d0 [ 330.000706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.005883] RIP: 0033:0x4592c9 [ 330.009151] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 330.028153] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 330.035854] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 330.043377] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 330.050637] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 330.058329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 330.069239] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 330.076629] CPU: 0 PID: 11517 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 330.083825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.093186] Call Trace: [ 330.095778] dump_stack+0x113/0x167 [ 330.099407] should_fail.cold.4+0x5/0x13 [ 330.103560] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 330.108659] ? lock_downgrade+0x7f0/0x7f0 [ 330.112800] ? ___might_sleep+0x16b/0x270 [ 330.116970] __should_failslab+0xba/0xf0 [ 330.121024] should_failslab+0x9/0x14 [ 330.124821] kmem_cache_alloc_node+0x270/0x730 [ 330.129402] ? find_held_lock+0x36/0x1d0 [ 330.133468] __alloc_skb+0xa7/0x570 [ 330.137097] ? skb_scrub_packet+0x3a0/0x3a0 [ 330.141419] _sctp_make_chunk+0x3f/0x260 [ 330.145477] sctp_make_datafrag_empty+0x159/0x260 [ 330.150320] ? sctp_make_ecne+0xf0/0xf0 [ 330.154293] ? process_measurement+0x805/0x14b0 [ 330.158958] sctp_datamsg_from_user+0x4d7/0xf30 [ 330.163619] ? mark_held_locks+0x130/0x130 [ 330.167882] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 330.172458] ? find_held_lock+0x36/0x1d0 [ 330.176515] ? sctp_clear_owner_w+0xf0/0xf0 [ 330.180827] ? lock_sock_nested+0xc5/0x100 [ 330.185057] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.189653] ? __local_bh_enable_ip+0x160/0x260 [ 330.194319] ? lock_sock_nested+0x82/0x100 [ 330.198549] ? trace_hardirqs_on+0x28/0x190 [ 330.202868] ? lock_sock_nested+0x82/0x100 [ 330.207102] ? lock_sock_nested+0x82/0x100 [ 330.211365] ? __local_bh_enable_ip+0x160/0x260 [ 330.216069] sctp_sendmsg+0xb80/0x1710 [ 330.219960] ? sctp_id2assoc+0x250/0x250 [ 330.224023] ? ___might_sleep+0x16b/0x270 [ 330.228166] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.233095] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 330.238019] inet_sendmsg+0x108/0x440 [ 330.241932] ? security_socket_sendmsg+0x4a/0x90 [ 330.246687] ? ipip_gro_receive+0xf0/0xf0 [ 330.250830] sock_sendmsg+0xb5/0xf0 [ 330.254458] sock_write_iter+0x1e9/0x3d0 [ 330.258533] ? sock_sendmsg+0xf0/0xf0 [ 330.262423] __vfs_write+0x4a3/0x970 [ 330.266129] ? lock_downgrade+0x7f0/0x7f0 [ 330.270302] ? kernel_read+0x130/0x130 [ 330.274187] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.279114] ? apparmor_file_permission+0x15/0x20 [ 330.283956] ? rw_verify_area+0xb8/0x2b0 [ 330.288014] vfs_write+0x150/0x4e0 [ 330.291549] ksys_write+0xcd/0x1b0 [ 330.295084] ? __ia32_sys_read+0xa0/0xa0 [ 330.299148] ? do_syscall_64+0x21/0x4d0 [ 330.303115] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.308481] __x64_sys_write+0x6e/0xb0 [ 330.312363] do_syscall_64+0xd0/0x4d0 [ 330.316157] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.321450] RIP: 0033:0x4592c9 [ 330.324641] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 330.343809] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 330.351517] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 330.358957] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 330.366223] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 330.366227] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 330.366230] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 330.396270] CPU: 1 PID: 11498 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 330.403480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.412921] Call Trace: [ 330.415507] dump_stack+0x113/0x167 [ 330.419029] FAULT_INJECTION: forcing a failure. [ 330.419029] name failslab, interval 1, probability 0, space 0, times 0 [ 330.419306] should_fail.cold.4+0x5/0x13 [ 330.419315] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 330.419321] ? lock_downgrade+0x7f0/0x7f0 [ 330.419330] ? ___might_sleep+0x16b/0x270 [ 330.448065] __should_failslab+0xba/0xf0 [ 330.452188] should_failslab+0x9/0x14 [ 330.455978] kmem_cache_alloc_node+0x270/0x730 [ 330.460638] ? find_held_lock+0x36/0x1d0 [ 330.465016] __alloc_skb+0xa7/0x570 [ 330.468638] ? skb_scrub_packet+0x3a0/0x3a0 [ 330.472964] _sctp_make_chunk+0x3f/0x260 [ 330.477052] sctp_make_datafrag_empty+0x159/0x260 [ 330.481891] ? sctp_make_ecne+0xf0/0xf0 [ 330.485906] ? process_measurement+0x805/0x14b0 [ 330.490596] sctp_datamsg_from_user+0x4d7/0xf30 [ 330.495348] ? mark_held_locks+0x130/0x130 [ 330.499581] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 330.504153] ? find_held_lock+0x36/0x1d0 [ 330.508237] ? sctp_clear_owner_w+0xf0/0xf0 [ 330.512555] ? lock_sock_nested+0xc5/0x100 [ 330.516781] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.521362] ? __local_bh_enable_ip+0x160/0x260 [ 330.526022] ? lock_sock_nested+0x82/0x100 [ 330.530262] ? trace_hardirqs_on+0x28/0x190 [ 330.534663] ? lock_sock_nested+0x82/0x100 [ 330.538889] ? lock_sock_nested+0x82/0x100 [ 330.543119] ? __local_bh_enable_ip+0x160/0x260 [ 330.547808] sctp_sendmsg+0xb80/0x1710 [ 330.551797] ? sctp_id2assoc+0x250/0x250 [ 330.555856] ? ___might_sleep+0x16b/0x270 [ 330.560005] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.564939] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 330.569871] inet_sendmsg+0x108/0x440 [ 330.573687] ? security_socket_sendmsg+0x4a/0x90 [ 330.578548] ? ipip_gro_receive+0xf0/0xf0 [ 330.582956] sock_sendmsg+0xb5/0xf0 [ 330.586583] sock_write_iter+0x1e9/0x3d0 [ 330.590646] ? sock_sendmsg+0xf0/0xf0 [ 330.594459] __vfs_write+0x4a3/0x970 [ 330.598169] ? lock_downgrade+0x7f0/0x7f0 [ 330.602332] ? kernel_read+0x130/0x130 [ 330.606216] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.611150] ? apparmor_file_permission+0x15/0x20 [ 330.615996] ? rw_verify_area+0xb8/0x2b0 [ 330.620056] vfs_write+0x150/0x4e0 [ 330.623595] ksys_write+0xcd/0x1b0 [ 330.627163] ? __ia32_sys_read+0xa0/0xa0 [ 330.631483] ? do_syscall_64+0x21/0x4d0 [ 330.635458] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.640850] __x64_sys_write+0x6e/0xb0 [ 330.642228] FAULT_INJECTION: forcing a failure. [ 330.642228] name failslab, interval 1, probability 0, space 0, times 0 [ 330.644736] do_syscall_64+0xd0/0x4d0 [ 330.644746] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.644751] RIP: 0033:0x4592c9 [ 330.644760] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 330.686972] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 330.694678] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 330.701958] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 330.709221] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 330.716502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 330.723766] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 330.731052] CPU: 0 PID: 11530 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 330.738248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.747604] Call Trace: [ 330.750196] dump_stack+0x113/0x167 [ 330.753828] should_fail.cold.4+0x5/0x13 [ 330.757888] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 330.757896] ? lock_downgrade+0x7f0/0x7f0 [ 330.757904] ? ___might_sleep+0x16b/0x270 [ 330.757914] __should_failslab+0xba/0xf0 [ 330.757922] should_failslab+0x9/0x14 [ 330.757927] kmem_cache_alloc_node+0x270/0x730 [ 330.757933] ? find_held_lock+0x36/0x1d0 [ 330.757944] __alloc_skb+0xa7/0x570 [ 330.757951] ? skb_scrub_packet+0x3a0/0x3a0 [ 330.757966] _sctp_make_chunk+0x3f/0x260 [ 330.757974] sctp_make_datafrag_empty+0x159/0x260 [ 330.757982] ? sctp_make_ecne+0xf0/0xf0 [ 330.757992] ? process_measurement+0x805/0x14b0 [ 330.758000] sctp_datamsg_from_user+0x4d7/0xf30 [ 330.783973] ? mark_held_locks+0x130/0x130 [ 330.791663] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 330.791673] ? find_held_lock+0x36/0x1d0 [ 330.791684] ? sctp_clear_owner_w+0xf0/0xf0 [ 330.800063] ? lock_sock_nested+0xc5/0x100 [ 330.800070] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.800077] ? __local_bh_enable_ip+0x160/0x260 [ 330.800081] ? lock_sock_nested+0x82/0x100 [ 330.800086] ? trace_hardirqs_on+0x28/0x190 [ 330.800091] ? lock_sock_nested+0x82/0x100 [ 330.800095] ? lock_sock_nested+0x82/0x100 [ 330.800102] ? __local_bh_enable_ip+0x160/0x260 [ 330.800112] sctp_sendmsg+0xb80/0x1710 [ 330.800123] ? sctp_id2assoc+0x250/0x250 [ 330.800130] ? ___might_sleep+0x16b/0x270 [ 330.800141] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.800155] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 330.800165] inet_sendmsg+0x108/0x440 [ 330.800178] ? security_socket_sendmsg+0x4a/0x90 [ 330.813745] ? ipip_gro_receive+0xf0/0xf0 [ 330.813759] sock_sendmsg+0xb5/0xf0 [ 330.813766] sock_write_iter+0x1e9/0x3d0 [ 330.844464] ? sock_sendmsg+0xf0/0xf0 [ 330.844483] __vfs_write+0x4a3/0x970 [ 330.853372] ? lock_downgrade+0x7f0/0x7f0 [ 330.853379] ? kernel_read+0x130/0x130 [ 330.853388] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 330.853400] ? apparmor_file_permission+0x15/0x20 [ 330.939056] ? rw_verify_area+0xb8/0x2b0 [ 330.943121] vfs_write+0x150/0x4e0 [ 330.948061] ksys_write+0xcd/0x1b0 [ 330.950999] FAULT_INJECTION: forcing a failure. [ 330.950999] name failslab, interval 1, probability 0, space 0, times 0 [ 330.951603] ? __ia32_sys_read+0xa0/0xa0 [ 330.966912] ? do_syscall_64+0x21/0x4d0 [ 330.971060] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.976457] __x64_sys_write+0x6e/0xb0 [ 330.980349] do_syscall_64+0xd0/0x4d0 [ 330.984579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.989778] RIP: 0033:0x4592c9 [ 330.992975] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 331.011873] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 331.019571] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 331.026857] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 331.034118] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 331.041380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 331.048669] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 331.055949] CPU: 1 PID: 11537 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 331.063150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.073243] Call Trace: [ 331.075838] dump_stack+0x113/0x167 [ 331.079469] should_fail.cold.4+0x5/0x13 [ 331.083552] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 331.088744] ? lock_downgrade+0x7f0/0x7f0 [ 331.093077] ? ___might_sleep+0x16b/0x270 [ 331.097236] __should_failslab+0xba/0xf0 [ 331.101304] should_failslab+0x9/0x14 [ 331.105193] kmem_cache_alloc_node+0x270/0x730 [ 331.109848] ? find_held_lock+0x36/0x1d0 [ 331.114006] __alloc_skb+0xa7/0x570 [ 331.117631] ? skb_scrub_packet+0x3a0/0x3a0 [ 331.121958] _sctp_make_chunk+0x3f/0x260 [ 331.126017] sctp_make_datafrag_empty+0x159/0x260 [ 331.131032] ? sctp_make_ecne+0xf0/0xf0 [ 331.135007] ? process_measurement+0x805/0x14b0 [ 331.139675] sctp_datamsg_from_user+0x4d7/0xf30 [ 331.144343] ? mark_held_locks+0x130/0x130 [ 331.148582] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 331.153161] ? find_held_lock+0x36/0x1d0 [ 331.157223] ? sctp_clear_owner_w+0xf0/0xf0 [ 331.161046] FAULT_INJECTION: forcing a failure. [ 331.161046] name failslab, interval 1, probability 0, space 0, times 0 [ 331.161545] ? lock_sock_nested+0xc5/0x100 [ 331.161551] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.161558] ? __local_bh_enable_ip+0x160/0x260 [ 331.161562] ? lock_sock_nested+0x82/0x100 [ 331.161568] ? trace_hardirqs_on+0x28/0x190 [ 331.161572] ? lock_sock_nested+0x82/0x100 [ 331.161577] ? lock_sock_nested+0x82/0x100 [ 331.161584] ? __local_bh_enable_ip+0x160/0x260 [ 331.161593] sctp_sendmsg+0xb80/0x1710 [ 331.161603] ? sctp_id2assoc+0x250/0x250 [ 331.180589] FAULT_INJECTION: forcing a failure. [ 331.180589] name failslab, interval 1, probability 0, space 0, times 0 [ 331.181584] ? ___might_sleep+0x16b/0x270 [ 331.181596] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.181611] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 331.181621] inet_sendmsg+0x108/0x440 [ 331.181628] ? security_socket_sendmsg+0x4a/0x90 [ 331.249733] ? ipip_gro_receive+0xf0/0xf0 [ 331.253961] sock_sendmsg+0xb5/0xf0 [ 331.257578] sock_write_iter+0x1e9/0x3d0 [ 331.261632] ? sock_sendmsg+0xf0/0xf0 [ 331.265433] __vfs_write+0x4a3/0x970 [ 331.269137] ? lock_downgrade+0x7f0/0x7f0 [ 331.273276] ? kernel_read+0x130/0x130 [ 331.277160] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.282083] ? apparmor_file_permission+0x15/0x20 [ 331.286926] ? rw_verify_area+0xb8/0x2b0 [ 331.290981] vfs_write+0x150/0x4e0 [ 331.294510] ksys_write+0xcd/0x1b0 [ 331.298043] ? __ia32_sys_read+0xa0/0xa0 [ 331.302096] ? do_syscall_64+0x21/0x4d0 [ 331.306060] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.311414] __x64_sys_write+0x6e/0xb0 [ 331.315321] do_syscall_64+0xd0/0x4d0 [ 331.319115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.324289] RIP: 0033:0x4592c9 [ 331.327474] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 331.346381] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 331.354337] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 331.361592] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 331.368847] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 331.376113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 331.383370] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 331.390676] CPU: 0 PID: 11546 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 331.397868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.397872] Call Trace: [ 331.397885] dump_stack+0x113/0x167 [ 331.397896] should_fail.cold.4+0x5/0x13 [ 331.397904] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 331.397910] ? lock_downgrade+0x7f0/0x7f0 [ 331.397919] ? ___might_sleep+0x16b/0x270 [ 331.397929] __should_failslab+0xba/0xf0 [ 331.397937] should_failslab+0x9/0x14 [ 331.397942] kmem_cache_alloc_node+0x270/0x730 [ 331.397948] ? find_held_lock+0x36/0x1d0 [ 331.397961] __alloc_skb+0xa7/0x570 [ 331.397968] ? skb_scrub_packet+0x3a0/0x3a0 [ 331.397982] _sctp_make_chunk+0x3f/0x260 [ 331.397991] sctp_make_datafrag_empty+0x159/0x260 [ 331.397998] ? sctp_make_ecne+0xf0/0xf0 [ 331.398007] ? process_measurement+0x805/0x14b0 [ 331.398016] sctp_datamsg_from_user+0x4d7/0xf30 [ 331.426804] ? mark_held_locks+0x130/0x130 [ 331.426818] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 331.426826] ? find_held_lock+0x36/0x1d0 [ 331.426837] ? sctp_clear_owner_w+0xf0/0xf0 [ 331.426844] ? lock_sock_nested+0xc5/0x100 [ 331.426849] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.426855] ? __local_bh_enable_ip+0x160/0x260 [ 331.426859] ? lock_sock_nested+0x82/0x100 [ 331.426865] ? trace_hardirqs_on+0x28/0x190 [ 331.426869] ? lock_sock_nested+0x82/0x100 [ 331.426874] ? lock_sock_nested+0x82/0x100 [ 331.426881] ? __local_bh_enable_ip+0x160/0x260 [ 331.426891] sctp_sendmsg+0xb80/0x1710 [ 331.426901] ? sctp_id2assoc+0x250/0x250 [ 331.451256] ? ___might_sleep+0x16b/0x270 [ 331.459603] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.459617] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 331.459627] inet_sendmsg+0x108/0x440 [ 331.459633] ? security_socket_sendmsg+0x4a/0x90 [ 331.459638] ? ipip_gro_receive+0xf0/0xf0 [ 331.459646] sock_sendmsg+0xb5/0xf0 [ 331.459653] sock_write_iter+0x1e9/0x3d0 [ 331.459661] ? sock_sendmsg+0xf0/0xf0 [ 331.575864] __vfs_write+0x4a3/0x970 [ 331.579590] ? lock_downgrade+0x7f0/0x7f0 [ 331.583729] ? kernel_read+0x130/0x130 [ 331.587611] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.592541] ? apparmor_file_permission+0x15/0x20 [ 331.597386] ? rw_verify_area+0xb8/0x2b0 [ 331.601443] vfs_write+0x150/0x4e0 [ 331.604973] ksys_write+0xcd/0x1b0 [ 331.608507] ? __ia32_sys_read+0xa0/0xa0 [ 331.612563] ? do_syscall_64+0x21/0x4d0 [ 331.616531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.621897] __x64_sys_write+0x6e/0xb0 [ 331.625782] do_syscall_64+0xd0/0x4d0 [ 331.629579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.634764] RIP: 0033:0x4592c9 [ 331.637948] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 331.657022] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 331.664727] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 331.671991] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 331.679249] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 331.686507] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 331.693767] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 331.701044] CPU: 1 PID: 11528 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 331.708237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.717588] Call Trace: [ 331.720170] dump_stack+0x113/0x167 [ 331.723805] should_fail.cold.4+0x5/0x13 [ 331.729095] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 331.734192] ? lock_downgrade+0x7f0/0x7f0 [ 331.738337] ? ___might_sleep+0x16b/0x270 [ 331.742492] __should_failslab+0xba/0xf0 [ 331.746643] should_failslab+0x9/0x14 [ 331.750499] kmem_cache_alloc_node+0x270/0x730 [ 331.755084] ? find_held_lock+0x36/0x1d0 [ 331.759180] __alloc_skb+0xa7/0x570 [ 331.762810] ? skb_scrub_packet+0x3a0/0x3a0 [ 331.767141] _sctp_make_chunk+0x3f/0x260 [ 331.771205] sctp_make_datafrag_empty+0x159/0x260 [ 331.776049] ? sctp_make_ecne+0xf0/0xf0 [ 331.780031] ? process_measurement+0x805/0x14b0 [ 331.784704] sctp_datamsg_from_user+0x4d7/0xf30 [ 331.789470] ? mark_held_locks+0x130/0x130 [ 331.793710] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 331.798292] ? find_held_lock+0x36/0x1d0 [ 331.802358] ? sctp_clear_owner_w+0xf0/0xf0 [ 331.806675] ? lock_sock_nested+0xc5/0x100 [ 331.808216] FAULT_INJECTION: forcing a failure. [ 331.808216] name failslab, interval 1, probability 0, space 0, times 0 [ 331.810931] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.810937] ? __local_bh_enable_ip+0x160/0x260 [ 331.810943] ? lock_sock_nested+0x82/0x100 [ 331.810949] ? trace_hardirqs_on+0x28/0x190 [ 331.810953] ? lock_sock_nested+0x82/0x100 [ 331.810958] ? lock_sock_nested+0x82/0x100 [ 331.810964] ? __local_bh_enable_ip+0x160/0x260 [ 331.810978] sctp_sendmsg+0xb80/0x1710 [ 331.830500] FAULT_INJECTION: forcing a failure. [ 331.830500] name failslab, interval 1, probability 0, space 0, times 0 [ 331.831412] ? sctp_id2assoc+0x250/0x250 [ 331.831422] ? ___might_sleep+0x16b/0x270 [ 331.831434] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.831448] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 331.886514] inet_sendmsg+0x108/0x440 [ 331.890308] ? security_socket_sendmsg+0x4a/0x90 [ 331.895060] ? ipip_gro_receive+0xf0/0xf0 [ 331.899200] sock_sendmsg+0xb5/0xf0 [ 331.902826] sock_write_iter+0x1e9/0x3d0 [ 331.906880] ? sock_sendmsg+0xf0/0xf0 [ 331.910690] __vfs_write+0x4a3/0x970 [ 331.914399] ? lock_downgrade+0x7f0/0x7f0 [ 331.918539] ? kernel_read+0x130/0x130 [ 331.922425] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 331.927360] ? apparmor_file_permission+0x15/0x20 [ 331.932195] ? rw_verify_area+0xb8/0x2b0 [ 331.936246] vfs_write+0x150/0x4e0 [ 331.939797] ksys_write+0xcd/0x1b0 [ 331.943327] ? __ia32_sys_read+0xa0/0xa0 [ 331.947383] ? do_syscall_64+0x21/0x4d0 [ 331.951348] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.956702] __x64_sys_write+0x6e/0xb0 [ 331.969009] do_syscall_64+0xd0/0x4d0 [ 331.972816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.977994] RIP: 0033:0x4592c9 [ 331.981180] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 332.000076] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 332.007780] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 332.015047] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 332.022307] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 332.029570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 332.036834] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 332.044117] CPU: 0 PID: 11556 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 332.051329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.060680] Call Trace: [ 332.060694] dump_stack+0x113/0x167 [ 332.060709] should_fail.cold.4+0x5/0x13 [ 332.060717] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 332.060724] ? lock_downgrade+0x7f0/0x7f0 [ 332.060732] ? ___might_sleep+0x16b/0x270 [ 332.060741] __should_failslab+0xba/0xf0 [ 332.060748] should_failslab+0x9/0x14 [ 332.092241] kmem_cache_alloc_node+0x270/0x730 [ 332.096824] ? find_held_lock+0x36/0x1d0 [ 332.100889] __alloc_skb+0xa7/0x570 [ 332.104509] ? skb_scrub_packet+0x3a0/0x3a0 [ 332.108833] _sctp_make_chunk+0x3f/0x260 [ 332.112892] sctp_make_datafrag_empty+0x159/0x260 [ 332.117761] ? sctp_make_ecne+0xf0/0xf0 [ 332.121730] ? process_measurement+0x805/0x14b0 [ 332.126394] sctp_datamsg_from_user+0x4d7/0xf30 [ 332.131058] ? mark_held_locks+0x130/0x130 [ 332.135294] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 332.139868] ? find_held_lock+0x36/0x1d0 [ 332.143930] ? sctp_clear_owner_w+0xf0/0xf0 [ 332.148249] ? lock_sock_nested+0xc5/0x100 [ 332.152486] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.157063] ? __local_bh_enable_ip+0x160/0x260 [ 332.161722] ? lock_sock_nested+0x82/0x100 [ 332.165951] ? trace_hardirqs_on+0x28/0x190 [ 332.170268] ? lock_sock_nested+0x82/0x100 [ 332.174498] ? lock_sock_nested+0x82/0x100 [ 332.178727] ? __local_bh_enable_ip+0x160/0x260 [ 332.183393] sctp_sendmsg+0xb80/0x1710 [ 332.187287] ? sctp_id2assoc+0x250/0x250 [ 332.191358] ? ___might_sleep+0x16b/0x270 [ 332.195525] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.200453] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 332.205376] inet_sendmsg+0x108/0x440 [ 332.209169] ? security_socket_sendmsg+0x4a/0x90 [ 332.213921] ? ipip_gro_receive+0xf0/0xf0 [ 332.218064] sock_sendmsg+0xb5/0xf0 [ 332.221685] sock_write_iter+0x1e9/0x3d0 [ 332.225738] ? sock_sendmsg+0xf0/0xf0 [ 332.229544] __vfs_write+0x4a3/0x970 [ 332.233250] ? lock_downgrade+0x7f0/0x7f0 [ 332.237405] ? kernel_read+0x130/0x130 [ 332.241300] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.246221] ? apparmor_file_permission+0x15/0x20 [ 332.251065] ? rw_verify_area+0xb8/0x2b0 [ 332.255124] vfs_write+0x150/0x4e0 [ 332.258660] ksys_write+0xcd/0x1b0 [ 332.262210] ? __ia32_sys_read+0xa0/0xa0 [ 332.266463] ? do_syscall_64+0x21/0x4d0 [ 332.270439] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.275796] __x64_sys_write+0x6e/0xb0 [ 332.279689] do_syscall_64+0xd0/0x4d0 [ 332.283482] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.288670] RIP: 0033:0x4592c9 [ 332.291884] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 332.310777] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 332.318481] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 332.325752] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 332.333018] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 332.340281] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 332.347632] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 332.354909] CPU: 1 PID: 11557 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 332.362108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.371456] Call Trace: [ 332.374041] dump_stack+0x113/0x167 [ 332.377674] should_fail.cold.4+0x5/0x13 [ 332.381734] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 332.386838] ? lock_downgrade+0x7f0/0x7f0 [ 332.390986] ? ___might_sleep+0x16b/0x270 [ 332.395131] __should_failslab+0xba/0xf0 [ 332.399192] should_failslab+0x9/0x14 [ 332.402993] kmem_cache_alloc_node+0x270/0x730 [ 332.407660] ? find_held_lock+0x36/0x1d0 [ 332.411720] __alloc_skb+0xa7/0x570 [ 332.415347] ? skb_scrub_packet+0x3a0/0x3a0 [ 332.419672] _sctp_make_chunk+0x3f/0x260 [ 332.423732] sctp_make_datafrag_empty+0x159/0x260 [ 332.428604] ? sctp_make_ecne+0xf0/0xf0 [ 332.432577] ? process_measurement+0x805/0x14b0 [ 332.437244] sctp_datamsg_from_user+0x4d7/0xf30 [ 332.441913] ? mark_held_locks+0x130/0x130 [ 332.446149] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 332.450731] ? find_held_lock+0x36/0x1d0 [ 332.454807] ? sctp_clear_owner_w+0xf0/0xf0 [ 332.459127] ? lock_sock_nested+0xc5/0x100 [ 332.463362] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.465337] FAULT_INJECTION: forcing a failure. [ 332.465337] name failslab, interval 1, probability 0, space 0, times 0 [ 332.467938] ? __local_bh_enable_ip+0x160/0x260 [ 332.467945] ? lock_sock_nested+0x82/0x100 [ 332.467951] ? trace_hardirqs_on+0x28/0x190 [ 332.467955] ? lock_sock_nested+0x82/0x100 [ 332.467960] ? lock_sock_nested+0x82/0x100 [ 332.467966] ? __local_bh_enable_ip+0x160/0x260 [ 332.467977] sctp_sendmsg+0xb80/0x1710 [ 332.467988] ? sctp_id2assoc+0x250/0x250 [ 332.467996] ? ___might_sleep+0x16b/0x270 [ 332.489978] FAULT_INJECTION: forcing a failure. [ 332.489978] name failslab, interval 1, probability 0, space 0, times 0 [ 332.492449] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.492464] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 332.492474] inet_sendmsg+0x108/0x440 [ 332.542477] ? security_socket_sendmsg+0x4a/0x90 [ 332.547228] ? ipip_gro_receive+0xf0/0xf0 [ 332.551365] sock_sendmsg+0xb5/0xf0 [ 332.554981] sock_write_iter+0x1e9/0x3d0 [ 332.559048] ? sock_sendmsg+0xf0/0xf0 [ 332.562877] __vfs_write+0x4a3/0x970 [ 332.566608] ? lock_downgrade+0x7f0/0x7f0 [ 332.570749] ? kernel_read+0x130/0x130 [ 332.574654] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.579580] ? apparmor_file_permission+0x15/0x20 [ 332.584416] ? rw_verify_area+0xb8/0x2b0 [ 332.588476] vfs_write+0x150/0x4e0 [ 332.592013] ksys_write+0xcd/0x1b0 [ 332.595547] ? __ia32_sys_read+0xa0/0xa0 [ 332.599603] ? do_syscall_64+0x21/0x4d0 [ 332.603570] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.608927] __x64_sys_write+0x6e/0xb0 [ 332.612819] do_syscall_64+0xd0/0x4d0 [ 332.616613] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.621801] RIP: 0033:0x4592c9 [ 332.624981] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 332.643871] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 332.651569] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 332.658831] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 332.666091] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 2019/06/15 21:33:28 executed programs: 1133 [ 332.673354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 332.680615] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 332.687892] CPU: 0 PID: 11566 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 332.695083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.695087] Call Trace: [ 332.695100] dump_stack+0x113/0x167 [ 332.695112] should_fail.cold.4+0x5/0x13 [ 332.695119] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 332.719813] ? lock_downgrade+0x7f0/0x7f0 [ 332.723966] ? ___might_sleep+0x16b/0x270 [ 332.728114] __should_failslab+0xba/0xf0 [ 332.732176] should_failslab+0x9/0x14 [ 332.735966] kmem_cache_alloc_node+0x270/0x730 [ 332.740542] ? find_held_lock+0x36/0x1d0 [ 332.740556] __alloc_skb+0xa7/0x570 [ 332.740563] ? skb_scrub_packet+0x3a0/0x3a0 [ 332.752568] _sctp_make_chunk+0x3f/0x260 [ 332.756645] sctp_make_datafrag_empty+0x159/0x260 [ 332.761482] ? sctp_make_ecne+0xf0/0xf0 [ 332.765453] ? process_measurement+0x805/0x14b0 [ 332.770123] sctp_datamsg_from_user+0x4d7/0xf30 [ 332.774787] ? mark_held_locks+0x130/0x130 [ 332.779035] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 332.783611] ? find_held_lock+0x36/0x1d0 [ 332.787668] ? sctp_clear_owner_w+0xf0/0xf0 [ 332.791980] ? lock_sock_nested+0xc5/0x100 [ 332.796211] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.800787] ? __local_bh_enable_ip+0x160/0x260 [ 332.805451] ? lock_sock_nested+0x82/0x100 [ 332.809683] ? trace_hardirqs_on+0x28/0x190 [ 332.813997] ? lock_sock_nested+0x82/0x100 [ 332.818228] ? lock_sock_nested+0x82/0x100 [ 332.822465] ? __local_bh_enable_ip+0x160/0x260 [ 332.827131] sctp_sendmsg+0xb80/0x1710 [ 332.831016] ? sctp_id2assoc+0x250/0x250 [ 332.835070] ? ___might_sleep+0x16b/0x270 [ 332.839215] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.844141] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 332.849071] inet_sendmsg+0x108/0x440 [ 332.852865] ? security_socket_sendmsg+0x4a/0x90 [ 332.857612] ? ipip_gro_receive+0xf0/0xf0 [ 332.862516] sock_sendmsg+0xb5/0xf0 [ 332.866136] sock_write_iter+0x1e9/0x3d0 [ 332.870186] ? sock_sendmsg+0xf0/0xf0 [ 332.873989] __vfs_write+0x4a3/0x970 [ 332.877691] ? lock_downgrade+0x7f0/0x7f0 [ 332.881829] ? kernel_read+0x130/0x130 [ 332.885717] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 332.890643] ? apparmor_file_permission+0x15/0x20 [ 332.895477] ? rw_verify_area+0xb8/0x2b0 [ 332.899526] vfs_write+0x150/0x4e0 [ 332.903063] ksys_write+0xcd/0x1b0 [ 332.906599] ? __ia32_sys_read+0xa0/0xa0 [ 332.910653] ? do_syscall_64+0x21/0x4d0 [ 332.914617] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.919971] __x64_sys_write+0x6e/0xb0 [ 332.923851] do_syscall_64+0xd0/0x4d0 [ 332.927645] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.933170] RIP: 0033:0x4592c9 [ 332.936375] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 332.955269] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 332.962979] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 332.970239] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 332.977497] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 332.984757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 332.992018] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 332.999304] CPU: 1 PID: 11545 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 333.006501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.015857] Call Trace: [ 333.018445] dump_stack+0x113/0x167 [ 333.022078] should_fail.cold.4+0x5/0x13 [ 333.026133] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 333.031408] ? lock_downgrade+0x7f0/0x7f0 [ 333.035554] ? ___might_sleep+0x16b/0x270 [ 333.039707] __should_failslab+0xba/0xf0 [ 333.043770] should_failslab+0x9/0x14 [ 333.047579] kmem_cache_alloc_node+0x270/0x730 [ 333.052164] ? find_held_lock+0x36/0x1d0 [ 333.056231] __alloc_skb+0xa7/0x570 [ 333.059863] ? skb_scrub_packet+0x3a0/0x3a0 [ 333.064190] _sctp_make_chunk+0x3f/0x260 [ 333.068252] sctp_make_datafrag_empty+0x159/0x260 [ 333.073091] ? sctp_make_ecne+0xf0/0xf0 [ 333.077069] ? process_measurement+0x805/0x14b0 [ 333.081743] sctp_datamsg_from_user+0x4d7/0xf30 [ 333.086415] ? mark_held_locks+0x130/0x130 [ 333.090653] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 333.095236] ? find_held_lock+0x36/0x1d0 [ 333.099295] ? sctp_clear_owner_w+0xf0/0xf0 [ 333.103618] ? lock_sock_nested+0xc5/0x100 [ 333.107852] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.108720] FAULT_INJECTION: forcing a failure. [ 333.108720] name failslab, interval 1, probability 0, space 0, times 0 [ 333.112431] ? __local_bh_enable_ip+0x160/0x260 [ 333.112437] ? lock_sock_nested+0x82/0x100 [ 333.112443] ? trace_hardirqs_on+0x28/0x190 [ 333.112448] ? lock_sock_nested+0x82/0x100 [ 333.112452] ? lock_sock_nested+0x82/0x100 [ 333.112458] ? __local_bh_enable_ip+0x160/0x260 [ 333.112469] sctp_sendmsg+0xb80/0x1710 [ 333.123915] FAULT_INJECTION: forcing a failure. [ 333.123915] name failslab, interval 1, probability 0, space 0, times 0 [ 333.128564] ? sctp_id2assoc+0x250/0x250 [ 333.128572] ? ___might_sleep+0x16b/0x270 [ 333.128584] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.128598] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 333.128607] inet_sendmsg+0x108/0x440 [ 333.128613] ? security_socket_sendmsg+0x4a/0x90 [ 333.191784] ? ipip_gro_receive+0xf0/0xf0 [ 333.195929] sock_sendmsg+0xb5/0xf0 [ 333.199577] sock_write_iter+0x1e9/0x3d0 [ 333.203631] ? sock_sendmsg+0xf0/0xf0 [ 333.207437] __vfs_write+0x4a3/0x970 [ 333.211140] ? lock_downgrade+0x7f0/0x7f0 [ 333.215280] ? kernel_read+0x130/0x130 [ 333.219161] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.224083] ? apparmor_file_permission+0x15/0x20 [ 333.229262] ? rw_verify_area+0xb8/0x2b0 [ 333.233311] vfs_write+0x150/0x4e0 [ 333.236844] ksys_write+0xcd/0x1b0 [ 333.240376] ? __ia32_sys_read+0xa0/0xa0 [ 333.244425] ? do_syscall_64+0x21/0x4d0 [ 333.248395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.253750] __x64_sys_write+0x6e/0xb0 [ 333.257643] do_syscall_64+0xd0/0x4d0 [ 333.261435] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.266619] RIP: 0033:0x4592c9 [ 333.269805] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 333.288696] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 333.296398] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 333.303919] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 333.311179] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 333.318439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 333.325700] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 333.332976] CPU: 0 PID: 11579 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 333.340166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.340169] Call Trace: [ 333.340182] dump_stack+0x113/0x167 [ 333.340193] should_fail.cold.4+0x5/0x13 [ 333.340202] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 333.359814] ? lock_downgrade+0x7f0/0x7f0 [ 333.359823] ? ___might_sleep+0x16b/0x270 [ 333.359833] __should_failslab+0xba/0xf0 [ 333.359841] should_failslab+0x9/0x14 [ 333.359846] kmem_cache_alloc_node+0x270/0x730 [ 333.359852] ? find_held_lock+0x36/0x1d0 [ 333.359865] __alloc_skb+0xa7/0x570 [ 333.359872] ? skb_scrub_packet+0x3a0/0x3a0 [ 333.359887] _sctp_make_chunk+0x3f/0x260 [ 333.373242] sctp_make_datafrag_empty+0x159/0x260 [ 333.373250] ? sctp_make_ecne+0xf0/0xf0 [ 333.373260] ? process_measurement+0x805/0x14b0 [ 333.373269] sctp_datamsg_from_user+0x4d7/0xf30 [ 333.381102] ? mark_held_locks+0x130/0x130 [ 333.381114] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 333.381122] ? find_held_lock+0x36/0x1d0 [ 333.381134] ? sctp_clear_owner_w+0xf0/0xf0 [ 333.435093] FAULT_INJECTION: forcing a failure. [ 333.435093] name fail_futex, interval 1, probability 0, space 0, times 0 [ 333.437066] ? lock_sock_nested+0xc5/0x100 [ 333.437074] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.437081] ? __local_bh_enable_ip+0x160/0x260 [ 333.437085] ? lock_sock_nested+0x82/0x100 [ 333.437091] ? trace_hardirqs_on+0x28/0x190 [ 333.437095] ? lock_sock_nested+0x82/0x100 [ 333.437099] ? lock_sock_nested+0x82/0x100 [ 333.437105] ? __local_bh_enable_ip+0x160/0x260 [ 333.437117] sctp_sendmsg+0xb80/0x1710 [ 333.487521] ? sctp_id2assoc+0x250/0x250 [ 333.491615] ? ___might_sleep+0x16b/0x270 [ 333.495763] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.500699] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 333.505623] inet_sendmsg+0x108/0x440 [ 333.509421] ? security_socket_sendmsg+0x4a/0x90 [ 333.514166] ? ipip_gro_receive+0xf0/0xf0 [ 333.518309] sock_sendmsg+0xb5/0xf0 [ 333.521930] sock_write_iter+0x1e9/0x3d0 [ 333.525990] ? sock_sendmsg+0xf0/0xf0 [ 333.529794] __vfs_write+0x4a3/0x970 [ 333.533512] ? lock_downgrade+0x7f0/0x7f0 [ 333.537657] ? kernel_read+0x130/0x130 [ 333.541541] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.546471] ? apparmor_file_permission+0x15/0x20 [ 333.551308] ? rw_verify_area+0xb8/0x2b0 [ 333.555361] vfs_write+0x150/0x4e0 [ 333.558901] ksys_write+0xcd/0x1b0 [ 333.562440] ? __ia32_sys_read+0xa0/0xa0 [ 333.566492] ? do_syscall_64+0x21/0x4d0 [ 333.570467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.575829] __x64_sys_write+0x6e/0xb0 [ 333.579708] do_syscall_64+0xd0/0x4d0 [ 333.583505] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.588682] RIP: 0033:0x4592c9 [ 333.591869] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 333.610761] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 333.618464] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 333.625730] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 333.633003] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 333.640265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 333.647531] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 333.654984] CPU: 1 PID: 11562 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 333.662180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.671629] Call Trace: [ 333.674231] dump_stack+0x113/0x167 [ 333.677861] should_fail.cold.4+0x5/0x13 [ 333.682008] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 333.687106] ? lock_downgrade+0x7f0/0x7f0 [ 333.691258] ? ___might_sleep+0x16b/0x270 [ 333.695407] __should_failslab+0xba/0xf0 [ 333.699466] should_failslab+0x9/0x14 [ 333.703269] kmem_cache_alloc_node+0x270/0x730 [ 333.707852] ? find_held_lock+0x36/0x1d0 [ 333.712097] __alloc_skb+0xa7/0x570 [ 333.715724] ? skb_scrub_packet+0x3a0/0x3a0 [ 333.720054] _sctp_make_chunk+0x3f/0x260 [ 333.722721] FAULT_INJECTION: forcing a failure. [ 333.722721] name failslab, interval 1, probability 0, space 0, times 0 [ 333.724113] sctp_make_datafrag_empty+0x159/0x260 [ 333.724121] ? sctp_make_ecne+0xf0/0xf0 [ 333.724132] ? process_measurement+0x805/0x14b0 [ 333.724141] sctp_datamsg_from_user+0x4d7/0xf30 [ 333.760223] ? mark_held_locks+0x130/0x130 [ 333.764456] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 333.769028] ? find_held_lock+0x36/0x1d0 [ 333.773087] ? sctp_clear_owner_w+0xf0/0xf0 [ 333.777397] ? lock_sock_nested+0xc5/0x100 [ 333.781618] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.786193] ? __local_bh_enable_ip+0x160/0x260 [ 333.790847] ? lock_sock_nested+0x82/0x100 [ 333.795070] ? trace_hardirqs_on+0x28/0x190 [ 333.799381] ? lock_sock_nested+0x82/0x100 [ 333.803606] ? lock_sock_nested+0x82/0x100 [ 333.807834] ? __local_bh_enable_ip+0x160/0x260 [ 333.812500] sctp_sendmsg+0xb80/0x1710 [ 333.816381] ? sctp_id2assoc+0x250/0x250 [ 333.820433] ? ___might_sleep+0x16b/0x270 [ 333.824587] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.829514] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 333.834440] inet_sendmsg+0x108/0x440 [ 333.838232] ? security_socket_sendmsg+0x4a/0x90 [ 333.842981] ? ipip_gro_receive+0xf0/0xf0 [ 333.847119] sock_sendmsg+0xb5/0xf0 [ 333.850734] sock_write_iter+0x1e9/0x3d0 [ 333.854804] ? sock_sendmsg+0xf0/0xf0 [ 333.858606] __vfs_write+0x4a3/0x970 [ 333.862807] ? lock_downgrade+0x7f0/0x7f0 [ 333.867838] ? kernel_read+0x130/0x130 [ 333.871720] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 333.876647] ? apparmor_file_permission+0x15/0x20 [ 333.881481] ? rw_verify_area+0xb8/0x2b0 [ 333.885535] vfs_write+0x150/0x4e0 [ 333.889069] ksys_write+0xcd/0x1b0 [ 333.892599] ? __ia32_sys_read+0xa0/0xa0 [ 333.896648] ? do_syscall_64+0x21/0x4d0 [ 333.900614] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.905969] __x64_sys_write+0x6e/0xb0 [ 333.909845] do_syscall_64+0xd0/0x4d0 [ 333.913637] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.919501] RIP: 0033:0x4592c9 [ 333.922682] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 333.941579] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 333.949276] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 333.956535] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 333.963799] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 333.971076] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 333.978333] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 333.985638] CPU: 0 PID: 11585 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 333.992832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.992836] Call Trace: [ 334.004775] dump_stack+0x113/0x167 [ 334.008400] should_fail.cold.4+0x5/0x13 [ 334.012459] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 334.017551] ? lock_downgrade+0x7f0/0x7f0 [ 334.021788] ? ___might_sleep+0x16b/0x270 [ 334.025928] __should_failslab+0xba/0xf0 [ 334.029984] should_failslab+0x9/0x14 [ 334.033778] kmem_cache_alloc_node+0x270/0x730 [ 334.038357] ? find_held_lock+0x36/0x1d0 [ 334.042424] __alloc_skb+0xa7/0x570 [ 334.046043] ? skb_scrub_packet+0x3a0/0x3a0 [ 334.050367] _sctp_make_chunk+0x3f/0x260 [ 334.054417] sctp_make_datafrag_empty+0x159/0x260 [ 334.059260] ? sctp_make_ecne+0xf0/0xf0 [ 334.063236] ? process_measurement+0x805/0x14b0 [ 334.067897] sctp_datamsg_from_user+0x4d7/0xf30 [ 334.072588] ? mark_held_locks+0x130/0x130 [ 334.076818] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 334.081437] ? find_held_lock+0x36/0x1d0 [ 334.085491] ? sctp_clear_owner_w+0xf0/0xf0 [ 334.089804] ? lock_sock_nested+0xc5/0x100 [ 334.094031] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.098600] ? __local_bh_enable_ip+0x160/0x260 [ 334.103256] ? lock_sock_nested+0x82/0x100 [ 334.107484] ? trace_hardirqs_on+0x28/0x190 [ 334.111796] ? lock_sock_nested+0x82/0x100 [ 334.116025] ? lock_sock_nested+0x82/0x100 [ 334.120259] ? __local_bh_enable_ip+0x160/0x260 [ 334.124936] sctp_sendmsg+0xb80/0x1710 [ 334.128911] ? sctp_id2assoc+0x250/0x250 [ 334.132967] ? ___might_sleep+0x16b/0x270 [ 334.137120] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 334.142051] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 334.146976] inet_sendmsg+0x108/0x440 [ 334.150768] ? security_socket_sendmsg+0x4a/0x90 [ 334.155513] ? ipip_gro_receive+0xf0/0xf0 [ 334.159660] sock_sendmsg+0xb5/0xf0 [ 334.163277] sock_write_iter+0x1e9/0x3d0 [ 334.167336] ? sock_sendmsg+0xf0/0xf0 [ 334.171163] __vfs_write+0x4a3/0x970 [ 334.174870] ? lock_downgrade+0x7f0/0x7f0 [ 334.179008] ? kernel_read+0x130/0x130 [ 334.182894] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 334.187817] ? apparmor_file_permission+0x15/0x20 [ 334.192653] ? rw_verify_area+0xb8/0x2b0 [ 334.196711] vfs_write+0x150/0x4e0 [ 334.200246] ksys_write+0xcd/0x1b0 [ 334.203774] ? __ia32_sys_read+0xa0/0xa0 [ 334.207831] ? do_syscall_64+0x21/0x4d0 [ 334.211801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.217156] __x64_sys_write+0x6e/0xb0 [ 334.221034] do_syscall_64+0xd0/0x4d0 [ 334.224829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.230013] RIP: 0033:0x4592c9 [ 334.233193] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 334.252092] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 334.259881] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 334.267139] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 334.274399] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 334.281659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 334.288930] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 334.296225] CPU: 1 PID: 11582 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 334.303442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.312787] Call Trace: [ 334.315382] dump_stack+0x113/0x167 [ 334.319013] should_fail.cold.4+0x5/0x13 [ 334.323088] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 334.328190] ? _raw_spin_unlock+0x2c/0x50 [ 334.332341] ? free_one_page+0x985/0xf30 [ 334.336402] get_futex_key+0x19e/0x1030 [ 334.340371] ? trace_hardirqs_on+0x28/0x190 [ 334.344697] ? futex_lock_pi_atomic+0x200/0x200 [ 334.349365] ? __free_pages+0x7f/0xb0 [ 334.353164] ? check_noncircular+0x20/0x20 [ 334.357403] ? finish_task_switch+0x486/0x6d0 [ 334.361982] futex_wake+0xcb/0x590 [ 334.365521] ? get_futex_key+0x1030/0x1030 [ 334.369755] ? __lock_acquire+0x5d6/0x4760 [ 334.373997] do_futex+0x59a/0x1800 [ 334.377538] ? __lock_acquire+0x5d6/0x4760 [ 334.381772] ? mark_held_locks+0x130/0x130 [ 334.383073] FAULT_INJECTION: forcing a failure. [ 334.383073] name failslab, interval 1, probability 0, space 0, times 0 [ 334.386014] ? exit_robust_list+0x1b0/0x1b0 [ 334.386021] ? mark_held_locks+0x130/0x130 [ 334.386030] ? find_held_lock+0x36/0x1d0 [ 334.386038] ? find_held_lock+0x36/0x1d0 [ 334.386051] ? __might_fault+0xf1/0x1b0 [ 334.413165] FAULT_INJECTION: forcing a failure. [ 334.413165] name failslab, interval 1, probability 0, space 0, times 0 [ 334.413951] ? lock_downgrade+0x7f0/0x7f0 [ 334.413968] mm_release+0x2da/0x410 [ 334.413976] do_exit+0x388/0x2ba0 [ 334.440276] ? inet_sendmsg+0x108/0x440 [ 334.444244] ? security_socket_sendmsg+0x4a/0x90 [ 334.448994] ? mm_update_next_owner+0x680/0x680 [ 334.453657] ? find_held_lock+0x36/0x1d0 [ 334.457736] ? get_signal+0x584/0x11d0 [ 334.461613] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.466101] ? get_signal+0x584/0x11d0 [ 334.469986] do_group_exit+0xf4/0x2f0 [ 334.473783] get_signal+0x532/0x11d0 [ 334.477502] do_signal+0x87/0x1930 [ 334.481034] ? rw_verify_area+0xb8/0x2b0 [ 334.485083] ? setup_sigcontext+0x7d0/0x7d0 [ 334.489399] ? kasan_check_write+0x14/0x20 [ 334.493620] ? fput+0x18/0x120 [ 334.496816] ? ksys_write+0x157/0x1b0 [ 334.500631] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.505202] ? exit_to_usermode_loop+0x3a/0x200 [ 334.509861] ? trace_hardirqs_on+0x28/0x190 [ 334.514191] exit_to_usermode_loop+0x114/0x200 [ 334.518798] do_syscall_64+0x407/0x4d0 [ 334.522690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.527867] RIP: 0033:0x4592c9 [ 334.531048] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 334.549940] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 334.557739] RAX: ffffffffffffffe0 RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 334.564998] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 334.572256] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 334.579511] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 334.586766] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 334.594050] CPU: 0 PID: 11592 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 334.601240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.601243] Call Trace: [ 334.601257] dump_stack+0x113/0x167 [ 334.601268] should_fail.cold.4+0x5/0x13 [ 334.601276] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 334.601283] ? lock_downgrade+0x7f0/0x7f0 [ 334.630101] ? ___might_sleep+0x16b/0x270 [ 334.634249] __should_failslab+0xba/0xf0 [ 334.638307] should_failslab+0x9/0x14 [ 334.642109] kmem_cache_alloc_node+0x270/0x730 [ 334.646682] ? find_held_lock+0x36/0x1d0 [ 334.650742] __alloc_skb+0xa7/0x570 [ 334.650749] ? skb_scrub_packet+0x3a0/0x3a0 [ 334.650763] _sctp_make_chunk+0x3f/0x260 [ 334.650772] sctp_make_datafrag_empty+0x159/0x260 [ 334.650779] ? sctp_make_ecne+0xf0/0xf0 [ 334.650788] ? process_measurement+0x805/0x14b0 [ 334.650797] sctp_datamsg_from_user+0x4d7/0xf30 [ 334.650806] ? mark_held_locks+0x130/0x130 [ 334.650818] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 334.650825] ? find_held_lock+0x36/0x1d0 [ 334.676326] ? sctp_clear_owner_w+0xf0/0xf0 [ 334.698121] ? lock_sock_nested+0xc5/0x100 [ 334.698129] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.698135] ? __local_bh_enable_ip+0x160/0x260 [ 334.698139] ? lock_sock_nested+0x82/0x100 [ 334.698144] ? trace_hardirqs_on+0x28/0x190 [ 334.698148] ? lock_sock_nested+0x82/0x100 [ 334.698153] ? lock_sock_nested+0x82/0x100 [ 334.698159] ? __local_bh_enable_ip+0x160/0x260 [ 334.698171] sctp_sendmsg+0xb80/0x1710 [ 334.698182] ? sctp_id2assoc+0x250/0x250 [ 334.741610] ? ___might_sleep+0x16b/0x270 [ 334.745755] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 334.750681] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 334.755602] inet_sendmsg+0x108/0x440 [ 334.759392] ? security_socket_sendmsg+0x4a/0x90 [ 334.764135] ? ipip_gro_receive+0xf0/0xf0 [ 334.768278] sock_sendmsg+0xb5/0xf0 [ 334.771899] sock_write_iter+0x1e9/0x3d0 [ 334.775951] ? sock_sendmsg+0xf0/0xf0 [ 334.779758] __vfs_write+0x4a3/0x970 [ 334.783465] ? lock_downgrade+0x7f0/0x7f0 [ 334.787601] ? kernel_read+0x130/0x130 [ 334.791481] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 334.796409] ? apparmor_file_permission+0x15/0x20 [ 334.801242] ? rw_verify_area+0xb8/0x2b0 [ 334.805303] vfs_write+0x150/0x4e0 [ 334.808843] ksys_write+0xcd/0x1b0 [ 334.812375] ? __ia32_sys_read+0xa0/0xa0 [ 334.816430] ? do_syscall_64+0x21/0x4d0 [ 334.820394] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.825747] __x64_sys_write+0x6e/0xb0 [ 334.829631] do_syscall_64+0xd0/0x4d0 [ 334.833427] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.838604] RIP: 0033:0x4592c9 [ 334.841790] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 334.861416] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 334.869112] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 334.876369] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 334.883632] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 334.890890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 334.898149] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 334.905425] CPU: 1 PID: 11576 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 334.912618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.921966] Call Trace: [ 334.924553] dump_stack+0x113/0x167 [ 334.928180] should_fail.cold.4+0x5/0x13 [ 334.932240] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 334.937338] ? lock_downgrade+0x7f0/0x7f0 [ 334.941489] ? ___might_sleep+0x16b/0x270 [ 334.945640] __should_failslab+0xba/0xf0 [ 334.949699] should_failslab+0x9/0x14 [ 334.953493] kmem_cache_alloc_node+0x270/0x730 [ 334.958074] ? find_held_lock+0x36/0x1d0 [ 334.962146] __alloc_skb+0xa7/0x570 [ 334.965772] ? skb_scrub_packet+0x3a0/0x3a0 [ 334.970105] _sctp_make_chunk+0x3f/0x260 [ 334.974341] sctp_make_datafrag_empty+0x159/0x260 [ 334.979182] ? sctp_make_ecne+0xf0/0xf0 [ 334.983161] ? process_measurement+0x805/0x14b0 [ 334.987842] sctp_datamsg_from_user+0x4d7/0xf30 [ 334.992515] ? mark_held_locks+0x130/0x130 [ 334.996755] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 335.001429] ? find_held_lock+0x36/0x1d0 [ 335.005492] ? sctp_clear_owner_w+0xf0/0xf0 [ 335.009822] ? lock_sock_nested+0xc5/0x100 [ 335.014052] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.018633] ? __local_bh_enable_ip+0x160/0x260 [ 335.023295] ? lock_sock_nested+0x82/0x100 [ 335.027526] ? trace_hardirqs_on+0x28/0x190 [ 335.031847] ? lock_sock_nested+0x82/0x100 [ 335.036077] ? lock_sock_nested+0x82/0x100 [ 335.037799] FAULT_INJECTION: forcing a failure. [ 335.037799] name failslab, interval 1, probability 0, space 0, times 0 [ 335.040311] ? __local_bh_enable_ip+0x160/0x260 [ 335.040322] sctp_sendmsg+0xb80/0x1710 [ 335.040333] ? sctp_id2assoc+0x250/0x250 [ 335.040341] ? ___might_sleep+0x16b/0x270 [ 335.040351] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.040365] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 335.040375] inet_sendmsg+0x108/0x440 [ 335.040381] ? security_socket_sendmsg+0x4a/0x90 [ 335.040387] ? ipip_gro_receive+0xf0/0xf0 [ 335.040395] sock_sendmsg+0xb5/0xf0 [ 335.060551] FAULT_INJECTION: forcing a failure. [ 335.060551] name failslab, interval 1, probability 0, space 0, times 0 [ 335.064250] sock_write_iter+0x1e9/0x3d0 [ 335.064259] ? sock_sendmsg+0xf0/0xf0 [ 335.064278] __vfs_write+0x4a3/0x970 [ 335.064285] ? lock_downgrade+0x7f0/0x7f0 [ 335.121370] ? kernel_read+0x130/0x130 [ 335.125255] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.130183] ? apparmor_file_permission+0x15/0x20 [ 335.135018] ? rw_verify_area+0xb8/0x2b0 [ 335.139076] vfs_write+0x150/0x4e0 [ 335.142611] ksys_write+0xcd/0x1b0 [ 335.146246] ? __ia32_sys_read+0xa0/0xa0 [ 335.150296] ? do_syscall_64+0x21/0x4d0 [ 335.154264] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.159625] __x64_sys_write+0x6e/0xb0 [ 335.163503] do_syscall_64+0xd0/0x4d0 [ 335.167299] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.172488] RIP: 0033:0x4592c9 [ 335.175679] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 335.194568] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 335.202262] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 335.209522] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 335.216778] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 335.224040] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 335.231300] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 335.238580] CPU: 0 PID: 11600 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 335.245764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.245768] Call Trace: [ 335.245781] dump_stack+0x113/0x167 [ 335.245792] should_fail.cold.4+0x5/0x13 [ 335.245800] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 335.245808] ? lock_downgrade+0x7f0/0x7f0 [ 335.274597] ? ___might_sleep+0x16b/0x270 [ 335.274609] __should_failslab+0xba/0xf0 [ 335.274616] should_failslab+0x9/0x14 [ 335.286597] kmem_cache_alloc_node+0x270/0x730 [ 335.291171] ? find_held_lock+0x36/0x1d0 [ 335.291184] __alloc_skb+0xa7/0x570 [ 335.291191] ? skb_scrub_packet+0x3a0/0x3a0 [ 335.291205] _sctp_make_chunk+0x3f/0x260 [ 335.307195] sctp_make_datafrag_empty+0x159/0x260 [ 335.312028] ? sctp_make_ecne+0xf0/0xf0 [ 335.315997] ? process_measurement+0x805/0x14b0 [ 335.320663] sctp_datamsg_from_user+0x4d7/0xf30 [ 335.325325] ? mark_held_locks+0x130/0x130 [ 335.329558] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 335.334131] ? find_held_lock+0x36/0x1d0 [ 335.338188] ? sctp_clear_owner_w+0xf0/0xf0 [ 335.342501] ? lock_sock_nested+0xc5/0x100 [ 335.346733] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.351307] ? __local_bh_enable_ip+0x160/0x260 [ 335.355966] ? lock_sock_nested+0x82/0x100 [ 335.360187] ? trace_hardirqs_on+0x28/0x190 [ 335.364496] ? lock_sock_nested+0x82/0x100 [ 335.368723] ? lock_sock_nested+0x82/0x100 [ 335.372955] ? __local_bh_enable_ip+0x160/0x260 [ 335.377627] sctp_sendmsg+0xb80/0x1710 [ 335.381514] ? sctp_id2assoc+0x250/0x250 [ 335.385573] ? ___might_sleep+0x16b/0x270 [ 335.389721] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.394650] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 335.399570] inet_sendmsg+0x108/0x440 [ 335.403361] ? security_socket_sendmsg+0x4a/0x90 [ 335.408108] ? ipip_gro_receive+0xf0/0xf0 [ 335.412247] sock_sendmsg+0xb5/0xf0 [ 335.415864] sock_write_iter+0x1e9/0x3d0 [ 335.419915] ? sock_sendmsg+0xf0/0xf0 [ 335.423721] __vfs_write+0x4a3/0x970 [ 335.427424] ? lock_downgrade+0x7f0/0x7f0 [ 335.431563] ? kernel_read+0x130/0x130 [ 335.435446] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.440375] ? apparmor_file_permission+0x15/0x20 [ 335.445208] ? rw_verify_area+0xb8/0x2b0 [ 335.449258] vfs_write+0x150/0x4e0 [ 335.452789] ksys_write+0xcd/0x1b0 [ 335.456317] ? __ia32_sys_read+0xa0/0xa0 [ 335.460371] ? do_syscall_64+0x21/0x4d0 [ 335.464367] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.469723] __x64_sys_write+0x6e/0xb0 [ 335.473603] do_syscall_64+0xd0/0x4d0 [ 335.477396] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.482573] RIP: 0033:0x4592c9 [ 335.485754] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 335.504746] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 335.512450] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 335.519730] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 335.526997] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 335.534257] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 335.541517] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 335.548801] CPU: 1 PID: 11601 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 335.555999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.565347] Call Trace: [ 335.567929] dump_stack+0x113/0x167 [ 335.571554] should_fail.cold.4+0x5/0x13 [ 335.575612] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 335.580718] ? lock_downgrade+0x7f0/0x7f0 [ 335.584866] ? ___might_sleep+0x16b/0x270 [ 335.589014] __should_failslab+0xba/0xf0 [ 335.593078] should_failslab+0x9/0x14 [ 335.596879] kmem_cache_alloc_node+0x270/0x730 [ 335.601461] ? find_held_lock+0x36/0x1d0 [ 335.605527] __alloc_skb+0xa7/0x570 [ 335.609156] ? skb_scrub_packet+0x3a0/0x3a0 [ 335.613501] _sctp_make_chunk+0x3f/0x260 [ 335.617575] sctp_make_datafrag_empty+0x159/0x260 [ 335.622417] ? sctp_make_ecne+0xf0/0xf0 [ 335.626393] ? process_measurement+0x805/0x14b0 [ 335.631066] sctp_datamsg_from_user+0x4d7/0xf30 [ 335.635742] ? mark_held_locks+0x130/0x130 [ 335.639980] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 335.644560] ? find_held_lock+0x36/0x1d0 [ 335.648623] ? sctp_clear_owner_w+0xf0/0xf0 [ 335.652941] ? lock_sock_nested+0xc5/0x100 [ 335.657174] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.661798] ? __local_bh_enable_ip+0x160/0x260 [ 335.666459] ? lock_sock_nested+0x82/0x100 [ 335.670175] FAULT_INJECTION: forcing a failure. [ 335.670175] name failslab, interval 1, probability 0, space 0, times 0 [ 335.670686] ? trace_hardirqs_on+0x28/0x190 [ 335.686251] ? lock_sock_nested+0x82/0x100 [ 335.690485] ? lock_sock_nested+0x82/0x100 [ 335.690905] FAULT_INJECTION: forcing a failure. [ 335.690905] name failslab, interval 1, probability 0, space 0, times 0 [ 335.694724] ? __local_bh_enable_ip+0x160/0x260 [ 335.694736] sctp_sendmsg+0xb80/0x1710 [ 335.694748] ? sctp_id2assoc+0x250/0x250 [ 335.694755] ? ___might_sleep+0x16b/0x270 [ 335.694766] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.694779] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 335.733349] inet_sendmsg+0x108/0x440 [ 335.737144] ? security_socket_sendmsg+0x4a/0x90 [ 335.741890] ? ipip_gro_receive+0xf0/0xf0 [ 335.746032] sock_sendmsg+0xb5/0xf0 [ 335.749651] sock_write_iter+0x1e9/0x3d0 [ 335.753705] ? sock_sendmsg+0xf0/0xf0 [ 335.757508] __vfs_write+0x4a3/0x970 [ 335.761210] ? lock_downgrade+0x7f0/0x7f0 [ 335.765344] ? kernel_read+0x130/0x130 [ 335.769222] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 335.774147] ? apparmor_file_permission+0x15/0x20 [ 335.778984] ? rw_verify_area+0xb8/0x2b0 [ 335.783046] vfs_write+0x150/0x4e0 [ 335.786583] ksys_write+0xcd/0x1b0 [ 335.790114] ? __ia32_sys_read+0xa0/0xa0 [ 335.794164] ? do_syscall_64+0x21/0x4d0 [ 335.798131] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.803494] __x64_sys_write+0x6e/0xb0 [ 335.807371] do_syscall_64+0xd0/0x4d0 [ 335.811162] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.816337] RIP: 0033:0x4592c9 [ 335.819516] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 335.838415] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 335.846117] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 335.853375] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 335.861144] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 335.868406] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 335.875662] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 335.882940] CPU: 0 PID: 11612 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 335.890134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.890137] Call Trace: [ 335.890150] dump_stack+0x113/0x167 [ 335.890162] should_fail.cold.4+0x5/0x13 [ 335.890170] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 335.890176] ? lock_downgrade+0x7f0/0x7f0 [ 335.890184] ? ___might_sleep+0x16b/0x270 [ 335.890195] __should_failslab+0xba/0xf0 [ 335.890203] should_failslab+0x9/0x14 [ 335.890208] kmem_cache_alloc_node+0x270/0x730 [ 335.890214] ? find_held_lock+0x36/0x1d0 [ 335.890227] __alloc_skb+0xa7/0x570 [ 335.890234] ? skb_scrub_packet+0x3a0/0x3a0 [ 335.890249] _sctp_make_chunk+0x3f/0x260 [ 335.890257] sctp_make_datafrag_empty+0x159/0x260 [ 335.890264] ? sctp_make_ecne+0xf0/0xf0 [ 335.890274] ? process_measurement+0x805/0x14b0 [ 335.890282] sctp_datamsg_from_user+0x4d7/0xf30 [ 335.923201] ? mark_held_locks+0x130/0x130 [ 335.923215] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 335.923222] ? find_held_lock+0x36/0x1d0 [ 335.935620] ? sctp_clear_owner_w+0xf0/0xf0 [ 335.935628] ? lock_sock_nested+0xc5/0x100 [ 335.935634] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.935640] ? __local_bh_enable_ip+0x160/0x260 [ 335.935645] ? lock_sock_nested+0x82/0x100 [ 335.951670] ? trace_hardirqs_on+0x28/0x190 [ 335.951676] ? lock_sock_nested+0x82/0x100 [ 335.951681] ? lock_sock_nested+0x82/0x100 [ 335.951687] ? __local_bh_enable_ip+0x160/0x260 [ 335.951697] sctp_sendmsg+0xb80/0x1710 [ 336.025866] ? sctp_id2assoc+0x250/0x250 [ 336.029922] ? ___might_sleep+0x16b/0x270 [ 336.034067] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.039001] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 336.043936] inet_sendmsg+0x108/0x440 [ 336.047728] ? security_socket_sendmsg+0x4a/0x90 [ 336.052471] ? ipip_gro_receive+0xf0/0xf0 [ 336.056611] sock_sendmsg+0xb5/0xf0 [ 336.060231] sock_write_iter+0x1e9/0x3d0 [ 336.064283] ? sock_sendmsg+0xf0/0xf0 [ 336.068129] __vfs_write+0x4a3/0x970 [ 336.071840] ? lock_downgrade+0x7f0/0x7f0 [ 336.075977] ? kernel_read+0x130/0x130 [ 336.079857] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.084800] ? apparmor_file_permission+0x15/0x20 [ 336.089650] ? rw_verify_area+0xb8/0x2b0 [ 336.093703] vfs_write+0x150/0x4e0 [ 336.097243] ksys_write+0xcd/0x1b0 [ 336.100778] ? __ia32_sys_read+0xa0/0xa0 [ 336.104833] ? do_syscall_64+0x21/0x4d0 [ 336.108802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.114178] __x64_sys_write+0x6e/0xb0 [ 336.118059] do_syscall_64+0xd0/0x4d0 [ 336.121852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.127117] RIP: 0033:0x4592c9 [ 336.130303] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 336.149202] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 336.156903] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 336.164169] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 336.171459] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 336.178735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 336.185999] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 336.194101] CPU: 1 PID: 11588 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 336.201475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.210823] Call Trace: [ 336.213407] dump_stack+0x113/0x167 [ 336.217035] should_fail.cold.4+0x5/0x13 [ 336.221097] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 336.226202] ? lock_downgrade+0x7f0/0x7f0 [ 336.230347] ? ___might_sleep+0x16b/0x270 [ 336.234487] __should_failslab+0xba/0xf0 [ 336.238545] should_failslab+0x9/0x14 [ 336.242337] kmem_cache_alloc_node+0x270/0x730 [ 336.246932] ? find_held_lock+0x36/0x1d0 [ 336.251514] __alloc_skb+0xa7/0x570 [ 336.255133] ? skb_scrub_packet+0x3a0/0x3a0 [ 336.259459] _sctp_make_chunk+0x3f/0x260 [ 336.263518] sctp_make_datafrag_empty+0x159/0x260 [ 336.268442] ? sctp_make_ecne+0xf0/0xf0 [ 336.272413] ? process_measurement+0x805/0x14b0 [ 336.277171] sctp_datamsg_from_user+0x4d7/0xf30 [ 336.281832] ? mark_held_locks+0x130/0x130 [ 336.286067] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 336.290640] ? find_held_lock+0x36/0x1d0 [ 336.294695] ? sctp_clear_owner_w+0xf0/0xf0 [ 336.299009] ? lock_sock_nested+0xc5/0x100 [ 336.303246] ? lockdep_hardirqs_on+0x421/0x5c0 [ 336.307817] ? __local_bh_enable_ip+0x160/0x260 [ 336.312472] ? lock_sock_nested+0x82/0x100 [ 336.316697] ? trace_hardirqs_on+0x28/0x190 [ 336.321005] ? lock_sock_nested+0x82/0x100 [ 336.325233] ? lock_sock_nested+0x82/0x100 [ 336.329458] ? __local_bh_enable_ip+0x160/0x260 [ 336.334132] sctp_sendmsg+0xb80/0x1710 [ 336.338013] ? sctp_id2assoc+0x250/0x250 [ 336.342250] ? ___might_sleep+0x16b/0x270 [ 336.346391] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.351319] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 336.356246] inet_sendmsg+0x108/0x440 [ 336.360044] ? security_socket_sendmsg+0x4a/0x90 [ 336.364787] ? ipip_gro_receive+0xf0/0xf0 [ 336.368929] sock_sendmsg+0xb5/0xf0 [ 336.372558] sock_write_iter+0x1e9/0x3d0 [ 336.376615] ? sock_sendmsg+0xf0/0xf0 [ 336.380415] __vfs_write+0x4a3/0x970 [ 336.384129] ? lock_downgrade+0x7f0/0x7f0 [ 336.388264] ? kernel_read+0x130/0x130 [ 336.392146] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.397162] ? apparmor_file_permission+0x15/0x20 [ 336.402002] ? rw_verify_area+0xb8/0x2b0 [ 336.406055] vfs_write+0x150/0x4e0 [ 336.409588] ksys_write+0xcd/0x1b0 [ 336.413119] ? __ia32_sys_read+0xa0/0xa0 [ 336.417176] ? do_syscall_64+0x21/0x4d0 [ 336.421147] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.426514] __x64_sys_write+0x6e/0xb0 [ 336.430396] do_syscall_64+0xd0/0x4d0 [ 336.434189] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.439371] RIP: 0033:0x4592c9 [ 336.442553] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 336.461447] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 336.469145] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 336.476402] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 336.483682] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 336.490944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 336.498203] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 336.505485] CPU: 0 PID: 11608 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 336.512678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.522031] Call Trace: [ 336.522044] dump_stack+0x113/0x167 [ 336.522056] should_fail.cold.4+0x5/0x13 [ 336.522063] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 336.522070] ? lock_downgrade+0x7f0/0x7f0 [ 336.522077] ? ___might_sleep+0x16b/0x270 [ 336.522087] __should_failslab+0xba/0xf0 [ 336.522094] should_failslab+0x9/0x14 [ 336.522099] kmem_cache_alloc_node+0x270/0x730 [ 336.522105] ? find_held_lock+0x36/0x1d0 [ 336.553550] __alloc_skb+0xa7/0x570 [ 336.553558] ? skb_scrub_packet+0x3a0/0x3a0 [ 336.553573] _sctp_make_chunk+0x3f/0x260 [ 336.562583] sctp_make_datafrag_empty+0x159/0x260 [ 336.562590] ? sctp_make_ecne+0xf0/0xf0 [ 336.562601] ? process_measurement+0x805/0x14b0 [ 336.562609] sctp_datamsg_from_user+0x4d7/0xf30 [ 336.588113] ? mark_held_locks+0x130/0x130 [ 336.597046] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 336.597055] ? find_held_lock+0x36/0x1d0 [ 336.597065] ? sctp_clear_owner_w+0xf0/0xf0 [ 336.597072] ? lock_sock_nested+0xc5/0x100 [ 336.597077] ? lockdep_hardirqs_on+0x421/0x5c0 [ 336.597084] ? __local_bh_enable_ip+0x160/0x260 [ 336.623482] ? lock_sock_nested+0x82/0x100 [ 336.627718] ? trace_hardirqs_on+0x28/0x190 [ 336.632128] ? lock_sock_nested+0x82/0x100 [ 336.636358] ? lock_sock_nested+0x82/0x100 [ 336.640601] ? __local_bh_enable_ip+0x160/0x260 [ 336.645284] sctp_sendmsg+0xb80/0x1710 [ 336.649191] ? sctp_id2assoc+0x250/0x250 [ 336.653247] ? ___might_sleep+0x16b/0x270 [ 336.653259] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.653273] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 336.653283] inet_sendmsg+0x108/0x440 [ 336.653326] ? security_socket_sendmsg+0x4a/0x90 [ 336.653333] ? ipip_gro_receive+0xf0/0xf0 [ 336.675869] sock_sendmsg+0xb5/0xf0 [ 336.675878] sock_write_iter+0x1e9/0x3d0 [ 336.675885] ? sock_sendmsg+0xf0/0xf0 [ 336.675904] __vfs_write+0x4a3/0x970 [ 336.675912] ? lock_downgrade+0x7f0/0x7f0 [ 336.675918] ? kernel_read+0x130/0x130 [ 336.703212] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 336.708151] ? apparmor_file_permission+0x15/0x20 [ 336.713005] ? rw_verify_area+0xb8/0x2b0 [ 336.717069] vfs_write+0x150/0x4e0 [ 336.720612] ksys_write+0xcd/0x1b0 [ 336.724145] ? __ia32_sys_read+0xa0/0xa0 [ 336.728213] ? do_syscall_64+0x21/0x4d0 [ 336.732193] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.737578] __x64_sys_write+0x6e/0xb0 [ 336.741475] do_syscall_64+0xd0/0x4d0 [ 336.745274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.750463] RIP: 0033:0x4592c9 [ 336.753650] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 336.772548] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 336.780254] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 336.787517] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 336.794789] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 336.802056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 336.809323] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 336.868455] FAULT_INJECTION: forcing a failure. [ 336.868455] name failslab, interval 1, probability 0, space 0, times 0 [ 336.891746] FAULT_INJECTION: forcing a failure. [ 336.891746] name failslab, interval 1, probability 0, space 0, times 0 [ 336.931373] CPU: 0 PID: 11637 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 336.938585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.938589] Call Trace: [ 336.950532] dump_stack+0x113/0x167 [ 336.954167] should_fail.cold.4+0x5/0x13 [ 336.958223] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 336.963327] ? lock_downgrade+0x7f0/0x7f0 [ 336.967469] ? ___might_sleep+0x16b/0x270 [ 336.967480] __should_failslab+0xba/0xf0 [ 336.967488] should_failslab+0x9/0x14 [ 336.967493] kmem_cache_alloc_node+0x270/0x730 [ 336.967499] ? find_held_lock+0x36/0x1d0 [ 336.967512] __alloc_skb+0xa7/0x570 [ 336.967519] ? skb_scrub_packet+0x3a0/0x3a0 [ 336.967535] _sctp_make_chunk+0x3f/0x260 [ 336.967543] sctp_make_datafrag_empty+0x159/0x260 [ 336.967550] ? sctp_make_ecne+0xf0/0xf0 [ 336.967560] ? process_measurement+0x805/0x14b0 [ 336.967569] sctp_datamsg_from_user+0x4d7/0xf30 [ 336.967578] ? mark_held_locks+0x130/0x130 [ 336.967590] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 336.967598] ? find_held_lock+0x36/0x1d0 [ 336.967607] ? sctp_clear_owner_w+0xf0/0xf0 [ 336.967612] ? lock_sock_nested+0xc5/0x100 [ 336.967617] ? lockdep_hardirqs_on+0x421/0x5c0 [ 336.967622] ? __local_bh_enable_ip+0x160/0x260 [ 336.967627] ? lock_sock_nested+0x82/0x100 [ 337.021563] FAULT_INJECTION: forcing a failure. [ 337.021563] name failslab, interval 1, probability 0, space 0, times 0 [ 337.022523] ? trace_hardirqs_on+0x28/0x190 [ 337.022532] ? lock_sock_nested+0x82/0x100 [ 337.022541] ? __local_bh_enable_ip+0x160/0x260 [ 337.022553] sctp_sendmsg+0xb80/0x1710 [ 337.022565] ? sctp_id2assoc+0x250/0x250 [ 337.022572] ? ___might_sleep+0x16b/0x270 [ 337.022582] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.094478] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 337.099404] inet_sendmsg+0x108/0x440 [ 337.103199] ? security_socket_sendmsg+0x4a/0x90 [ 337.107948] ? ipip_gro_receive+0xf0/0xf0 [ 337.112091] sock_sendmsg+0xb5/0xf0 [ 337.115716] sock_write_iter+0x1e9/0x3d0 [ 337.119781] ? sock_sendmsg+0xf0/0xf0 [ 337.123583] __vfs_write+0x4a3/0x970 [ 337.127288] ? lock_downgrade+0x7f0/0x7f0 [ 337.131433] ? kernel_read+0x130/0x130 [ 337.135317] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.140264] ? apparmor_file_permission+0x15/0x20 [ 337.145106] ? rw_verify_area+0xb8/0x2b0 [ 337.149159] vfs_write+0x150/0x4e0 [ 337.152701] ksys_write+0xcd/0x1b0 [ 337.156235] ? __ia32_sys_read+0xa0/0xa0 [ 337.160302] ? do_syscall_64+0x21/0x4d0 [ 337.164273] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.169635] __x64_sys_write+0x6e/0xb0 [ 337.173521] do_syscall_64+0xd0/0x4d0 [ 337.177330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.182511] RIP: 0033:0x4592c9 [ 337.185696] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 337.204595] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 337.212306] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 337.219580] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 337.226852] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 337.234120] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 337.241384] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 337.268213] CPU: 1 PID: 11640 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 337.275428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.284780] Call Trace: [ 337.287373] dump_stack+0x113/0x167 [ 337.291018] should_fail.cold.4+0x5/0x13 [ 337.295079] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 337.295287] FAULT_INJECTION: forcing a failure. [ 337.295287] name failslab, interval 1, probability 0, space 0, times 0 [ 337.300172] ? lock_downgrade+0x7f0/0x7f0 [ 337.300181] ? ___might_sleep+0x16b/0x270 [ 337.300190] __should_failslab+0xba/0xf0 [ 337.300198] should_failslab+0x9/0x14 [ 337.300203] kmem_cache_alloc_trace+0x2d8/0x740 [ 337.332154] sctp_datamsg_from_user+0x7f/0xf30 [ 337.336735] ? kmem_cache_alloc_trace+0x353/0x740 [ 337.341580] ? sctp_sched_init_sid+0xf1/0x170 [ 337.346080] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 337.350661] ? find_held_lock+0x36/0x1d0 [ 337.354725] ? sctp_clear_owner_w+0xf0/0xf0 [ 337.359050] ? lock_sock_nested+0xc5/0x100 [ 337.363279] ? lockdep_hardirqs_on+0x421/0x5c0 [ 337.367851] ? __local_bh_enable_ip+0x160/0x260 [ 337.372511] ? lock_sock_nested+0x82/0x100 [ 337.376735] ? trace_hardirqs_on+0x28/0x190 [ 337.381053] ? lock_sock_nested+0x82/0x100 [ 337.384441] FAULT_INJECTION: forcing a failure. [ 337.384441] name failslab, interval 1, probability 0, space 0, times 0 [ 337.385275] ? lock_sock_nested+0x82/0x100 [ 337.385283] ? __local_bh_enable_ip+0x160/0x260 [ 337.385294] sctp_sendmsg+0xb80/0x1710 [ 337.385306] ? sctp_id2assoc+0x250/0x250 [ 337.413283] ? ___might_sleep+0x16b/0x270 [ 337.417430] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.422356] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 337.427280] inet_sendmsg+0x108/0x440 [ 337.431072] ? security_socket_sendmsg+0x4a/0x90 [ 337.435816] ? ipip_gro_receive+0xf0/0xf0 [ 337.439960] sock_sendmsg+0xb5/0xf0 [ 337.443579] sock_write_iter+0x1e9/0x3d0 [ 337.447633] ? sock_sendmsg+0xf0/0xf0 [ 337.451435] __vfs_write+0x4a3/0x970 [ 337.455141] ? lock_downgrade+0x7f0/0x7f0 [ 337.459279] ? kernel_read+0x130/0x130 [ 337.463156] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.468081] ? apparmor_file_permission+0x15/0x20 [ 337.472914] ? rw_verify_area+0xb8/0x2b0 [ 337.476995] vfs_write+0x150/0x4e0 [ 337.480529] ksys_write+0xcd/0x1b0 [ 337.484060] ? __ia32_sys_read+0xa0/0xa0 [ 337.488117] ? do_syscall_64+0x21/0x4d0 [ 337.492084] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.497438] __x64_sys_write+0x6e/0xb0 [ 337.501315] do_syscall_64+0xd0/0x4d0 [ 337.505105] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.510283] RIP: 0033:0x4592c9 [ 337.513467] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 337.532359] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 337.540060] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 337.547319] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 337.554583] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 337.561849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 337.569114] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 337.576394] CPU: 0 PID: 11661 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 337.583594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.583598] Call Trace: [ 337.595528] dump_stack+0x113/0x167 [ 337.599160] should_fail.cold.4+0x5/0x13 [ 337.603218] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 337.608323] ? lock_downgrade+0x7f0/0x7f0 [ 337.612469] ? ___might_sleep+0x16b/0x270 [ 337.616612] __should_failslab+0xba/0xf0 [ 337.620667] should_failslab+0x9/0x14 [ 337.624461] kmem_cache_alloc_node+0x270/0x730 [ 337.638074] ? find_held_lock+0x36/0x1d0 [ 337.642134] __alloc_skb+0xa7/0x570 [ 337.642143] ? skb_scrub_packet+0x3a0/0x3a0 [ 337.642158] _sctp_make_chunk+0x3f/0x260 [ 337.642166] sctp_make_datafrag_empty+0x159/0x260 [ 337.659005] ? sctp_make_ecne+0xf0/0xf0 [ 337.662995] ? process_measurement+0x805/0x14b0 [ 337.667662] sctp_datamsg_from_user+0x4d7/0xf30 [ 337.672335] ? mark_held_locks+0x130/0x130 [ 337.676566] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 337.681145] ? find_held_lock+0x36/0x1d0 [ 337.685206] ? sctp_clear_owner_w+0xf0/0xf0 [ 337.689525] ? lock_sock_nested+0xc5/0x100 [ 337.694276] ? lockdep_hardirqs_on+0x421/0x5c0 [ 337.698855] ? __local_bh_enable_ip+0x160/0x260 [ 337.703512] ? lock_sock_nested+0x82/0x100 [ 337.707741] ? trace_hardirqs_on+0x28/0x190 [ 337.712081] ? lock_sock_nested+0x82/0x100 [ 337.716311] ? lock_sock_nested+0x82/0x100 [ 337.720541] ? __local_bh_enable_ip+0x160/0x260 [ 337.725204] sctp_sendmsg+0xb80/0x1710 [ 337.730580] ? sctp_id2assoc+0x250/0x250 [ 337.734634] ? ___might_sleep+0x16b/0x270 [ 337.738780] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.743707] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 337.748635] inet_sendmsg+0x108/0x440 [ 337.752433] ? security_socket_sendmsg+0x4a/0x90 [ 337.757177] ? ipip_gro_receive+0xf0/0xf0 [ 337.761319] sock_sendmsg+0xb5/0xf0 [ 337.764939] sock_write_iter+0x1e9/0x3d0 [ 337.768994] ? sock_sendmsg+0xf0/0xf0 [ 337.772800] __vfs_write+0x4a3/0x970 [ 337.776517] ? lock_downgrade+0x7f0/0x7f0 [ 337.780659] ? kernel_read+0x130/0x130 [ 337.784539] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 337.789464] ? apparmor_file_permission+0x15/0x20 [ 337.794305] ? rw_verify_area+0xb8/0x2b0 [ 337.798362] vfs_write+0x150/0x4e0 [ 337.801894] ksys_write+0xcd/0x1b0 [ 337.805427] ? __ia32_sys_read+0xa0/0xa0 [ 337.809482] ? do_syscall_64+0x21/0x4d0 [ 337.813447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.818800] __x64_sys_write+0x6e/0xb0 [ 337.822684] do_syscall_64+0xd0/0x4d0 [ 337.826480] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.831664] RIP: 0033:0x4592c9 [ 337.834846] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 337.853746] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 337.861449] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 337.868707] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 337.875964] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 337.883224] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 337.890487] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 337.898907] CPU: 1 PID: 11659 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 337.902281] FAULT_INJECTION: forcing a failure. [ 337.902281] name failslab, interval 1, probability 0, space 0, times 0 [ 337.906104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.926611] Call Trace: [ 337.929200] dump_stack+0x113/0x167 [ 337.932831] should_fail.cold.4+0x5/0x13 [ 337.936883] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 337.942061] ? lock_downgrade+0x7f0/0x7f0 [ 337.946204] ? ___might_sleep+0x16b/0x270 [ 337.950348] __should_failslab+0xba/0xf0 [ 337.954399] should_failslab+0x9/0x14 [ 337.958192] kmem_cache_alloc_node+0x270/0x730 [ 337.962761] ? find_held_lock+0x36/0x1d0 [ 337.966821] __alloc_skb+0xa7/0x570 [ 337.970440] ? skb_scrub_packet+0x3a0/0x3a0 [ 337.974758] _sctp_make_chunk+0x3f/0x260 [ 337.978818] sctp_make_datafrag_empty+0x159/0x260 [ 337.983651] ? sctp_make_ecne+0xf0/0xf0 [ 337.987617] ? process_measurement+0x805/0x14b0 [ 337.992276] sctp_datamsg_from_user+0x4d7/0xf30 [ 337.996940] ? mark_held_locks+0x130/0x130 [ 338.001218] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 338.005877] ? find_held_lock+0x36/0x1d0 [ 338.009930] ? sctp_clear_owner_w+0xf0/0xf0 [ 338.014241] ? lock_sock_nested+0xc5/0x100 [ 338.018485] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.023057] ? __local_bh_enable_ip+0x160/0x260 [ 338.027809] ? lock_sock_nested+0x82/0x100 [ 338.032035] ? trace_hardirqs_on+0x28/0x190 [ 338.036342] ? lock_sock_nested+0x82/0x100 [ 338.040562] ? lock_sock_nested+0x82/0x100 [ 338.044795] ? __local_bh_enable_ip+0x160/0x260 [ 338.049460] sctp_sendmsg+0xb80/0x1710 [ 338.053345] ? sctp_id2assoc+0x250/0x250 [ 338.057413] ? ___might_sleep+0x16b/0x270 [ 338.061553] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.066482] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 338.071405] inet_sendmsg+0x108/0x440 [ 338.075230] ? security_socket_sendmsg+0x4a/0x90 [ 338.079975] ? ipip_gro_receive+0xf0/0xf0 [ 338.084113] sock_sendmsg+0xb5/0xf0 [ 338.087729] sock_write_iter+0x1e9/0x3d0 [ 338.091778] ? sock_sendmsg+0xf0/0xf0 [ 338.095581] __vfs_write+0x4a3/0x970 [ 338.099282] ? lock_downgrade+0x7f0/0x7f0 [ 338.103420] ? kernel_read+0x130/0x130 [ 338.107295] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.112218] ? apparmor_file_permission+0x15/0x20 [ 338.117057] ? rw_verify_area+0xb8/0x2b0 [ 338.121114] vfs_write+0x150/0x4e0 [ 338.124643] ksys_write+0xcd/0x1b0 [ 338.128174] ? __ia32_sys_read+0xa0/0xa0 [ 338.132255] ? do_syscall_64+0x21/0x4d0 2019/06/15 21:33:33 executed programs: 1161 [ 338.136225] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.141597] __x64_sys_write+0x6e/0xb0 [ 338.145498] do_syscall_64+0xd0/0x4d0 [ 338.149304] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.154490] RIP: 0033:0x4592c9 [ 338.157678] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 338.176590] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.184306] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 338.191581] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 338.198845] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 338.206113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 338.206593] FAULT_INJECTION: forcing a failure. [ 338.206593] name failslab, interval 1, probability 0, space 0, times 0 [ 338.213373] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 338.221360] CPU: 1 PID: 11634 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 338.239140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.248484] Call Trace: [ 338.251070] dump_stack+0x113/0x167 [ 338.254702] should_fail.cold.4+0x5/0x13 [ 338.258758] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 338.263852] ? lock_downgrade+0x7f0/0x7f0 [ 338.267992] ? ___might_sleep+0x16b/0x270 [ 338.272138] __should_failslab+0xba/0xf0 [ 338.276194] should_failslab+0x9/0x14 [ 338.279985] kmem_cache_alloc_node+0x270/0x730 [ 338.284558] ? find_held_lock+0x36/0x1d0 [ 338.288613] __alloc_skb+0xa7/0x570 [ 338.292235] ? skb_scrub_packet+0x3a0/0x3a0 [ 338.296555] _sctp_make_chunk+0x3f/0x260 [ 338.300613] sctp_make_datafrag_empty+0x159/0x260 [ 338.305446] ? sctp_make_ecne+0xf0/0xf0 [ 338.309412] ? process_measurement+0x805/0x14b0 [ 338.314074] sctp_datamsg_from_user+0x4d7/0xf30 [ 338.318735] ? mark_held_locks+0x130/0x130 [ 338.322968] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 338.327544] ? find_held_lock+0x36/0x1d0 [ 338.331599] ? sctp_clear_owner_w+0xf0/0xf0 [ 338.335911] ? lock_sock_nested+0xc5/0x100 [ 338.340133] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.344702] ? __local_bh_enable_ip+0x160/0x260 [ 338.349356] ? lock_sock_nested+0x82/0x100 [ 338.353578] ? trace_hardirqs_on+0x28/0x190 [ 338.357886] ? lock_sock_nested+0x82/0x100 [ 338.362110] ? __local_bh_enable_ip+0x160/0x260 [ 338.366783] sctp_sendmsg+0xb80/0x1710 [ 338.370670] ? sctp_id2assoc+0x250/0x250 [ 338.374720] ? ___might_sleep+0x16b/0x270 [ 338.378869] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.383799] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 338.388726] inet_sendmsg+0x108/0x440 [ 338.392517] ? security_socket_sendmsg+0x4a/0x90 [ 338.397264] ? ipip_gro_receive+0xf0/0xf0 [ 338.401405] sock_sendmsg+0xb5/0xf0 [ 338.405025] sock_write_iter+0x1e9/0x3d0 [ 338.409081] ? sock_sendmsg+0xf0/0xf0 [ 338.412884] __vfs_write+0x4a3/0x970 [ 338.416593] ? lock_downgrade+0x7f0/0x7f0 [ 338.420734] ? kernel_read+0x130/0x130 [ 338.424619] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.429544] ? apparmor_file_permission+0x15/0x20 [ 338.434385] ? rw_verify_area+0xb8/0x2b0 [ 338.438441] vfs_write+0x150/0x4e0 [ 338.441978] ksys_write+0xcd/0x1b0 [ 338.445510] ? __ia32_sys_read+0xa0/0xa0 [ 338.449568] ? do_syscall_64+0x21/0x4d0 [ 338.453539] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.458928] __x64_sys_write+0x6e/0xb0 [ 338.462841] do_syscall_64+0xd0/0x4d0 [ 338.466648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.471828] RIP: 0033:0x4592c9 [ 338.475015] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 338.493912] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.501616] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 338.508875] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 338.516135] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 338.523417] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 338.530673] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 338.537958] CPU: 0 PID: 11670 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 338.545153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.545157] Call Trace: [ 338.557086] dump_stack+0x113/0x167 [ 338.560716] should_fail.cold.4+0x5/0x13 [ 338.564787] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 338.569904] ? lock_downgrade+0x7f0/0x7f0 [ 338.574053] ? ___might_sleep+0x16b/0x270 [ 338.578202] __should_failslab+0xba/0xf0 [ 338.582252] should_failslab+0x9/0x14 [ 338.582258] kmem_cache_alloc_node+0x270/0x730 [ 338.582265] ? find_held_lock+0x36/0x1d0 [ 338.582277] __alloc_skb+0xa7/0x570 [ 338.598332] ? skb_scrub_packet+0x3a0/0x3a0 [ 338.602657] _sctp_make_chunk+0x3f/0x260 [ 338.606714] sctp_make_datafrag_empty+0x159/0x260 [ 338.611561] ? sctp_make_ecne+0xf0/0xf0 [ 338.615534] ? process_measurement+0x805/0x14b0 [ 338.620204] sctp_datamsg_from_user+0x4d7/0xf30 [ 338.624873] ? mark_held_locks+0x130/0x130 [ 338.629110] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 338.629119] ? find_held_lock+0x36/0x1d0 [ 338.629129] ? sctp_clear_owner_w+0xf0/0xf0 [ 338.629136] ? lock_sock_nested+0xc5/0x100 [ 338.629142] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.629148] ? __local_bh_enable_ip+0x160/0x260 [ 338.629152] ? lock_sock_nested+0x82/0x100 [ 338.629158] ? trace_hardirqs_on+0x28/0x190 [ 338.629162] ? lock_sock_nested+0x82/0x100 [ 338.629167] ? lock_sock_nested+0x82/0x100 [ 338.629174] ? __local_bh_enable_ip+0x160/0x260 [ 338.629183] sctp_sendmsg+0xb80/0x1710 [ 338.629193] ? sctp_id2assoc+0x250/0x250 [ 338.642114] ? ___might_sleep+0x16b/0x270 [ 338.642125] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.642139] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 338.699605] inet_sendmsg+0x108/0x440 [ 338.703433] ? security_socket_sendmsg+0x4a/0x90 [ 338.708182] ? ipip_gro_receive+0xf0/0xf0 [ 338.712325] sock_sendmsg+0xb5/0xf0 [ 338.715945] sock_write_iter+0x1e9/0x3d0 [ 338.719998] ? sock_sendmsg+0xf0/0xf0 [ 338.723808] __vfs_write+0x4a3/0x970 [ 338.727520] ? lock_downgrade+0x7f0/0x7f0 [ 338.732180] ? kernel_read+0x130/0x130 [ 338.736061] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 338.740989] ? apparmor_file_permission+0x15/0x20 [ 338.745834] ? rw_verify_area+0xb8/0x2b0 [ 338.749886] vfs_write+0x150/0x4e0 [ 338.749894] ksys_write+0xcd/0x1b0 [ 338.749901] ? __ia32_sys_read+0xa0/0xa0 [ 338.749909] ? do_syscall_64+0x21/0x4d0 [ 338.749918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.749926] __x64_sys_write+0x6e/0xb0 [ 338.749932] do_syscall_64+0xd0/0x4d0 [ 338.749940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.749945] RIP: 0033:0x4592c9 [ 338.749952] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 338.749956] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.757017] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 338.757021] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 338.757024] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 338.757027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 338.757030] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 338.793804] FAULT_INJECTION: forcing a failure. [ 338.793804] name failslab, interval 1, probability 0, space 0, times 0 [ 338.811394] CPU: 1 PID: 11665 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 338.849703] FAULT_INJECTION: forcing a failure. [ 338.849703] name failslab, interval 1, probability 0, space 0, times 0 [ 338.862334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.862338] Call Trace: [ 338.862352] dump_stack+0x113/0x167 [ 338.862363] should_fail.cold.4+0x5/0x13 [ 338.862371] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 338.862378] ? lock_downgrade+0x7f0/0x7f0 [ 338.862386] ? ___might_sleep+0x16b/0x270 [ 338.862396] __should_failslab+0xba/0xf0 [ 338.862403] should_failslab+0x9/0x14 [ 338.862407] kmem_cache_alloc_node+0x270/0x730 [ 338.862413] ? find_held_lock+0x36/0x1d0 [ 338.930302] __alloc_skb+0xa7/0x570 [ 338.933933] ? skb_scrub_packet+0x3a0/0x3a0 [ 338.938259] _sctp_make_chunk+0x3f/0x260 [ 338.942604] sctp_make_datafrag_empty+0x159/0x260 [ 338.947450] ? sctp_make_ecne+0xf0/0xf0 [ 338.951426] ? process_measurement+0x805/0x14b0 [ 338.956097] sctp_datamsg_from_user+0x4d7/0xf30 [ 338.960766] ? mark_held_locks+0x130/0x130 [ 338.965024] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 338.969610] ? find_held_lock+0x36/0x1d0 [ 338.973672] ? sctp_clear_owner_w+0xf0/0xf0 [ 338.977985] ? lock_sock_nested+0xc5/0x100 [ 338.982211] ? lockdep_hardirqs_on+0x421/0x5c0 [ 338.986789] ? __local_bh_enable_ip+0x160/0x260 [ 338.991462] ? lock_sock_nested+0x82/0x100 [ 338.995688] ? trace_hardirqs_on+0x28/0x190 [ 339.000009] ? lock_sock_nested+0x82/0x100 [ 339.001482] FAULT_INJECTION: forcing a failure. [ 339.001482] name failslab, interval 1, probability 0, space 0, times 0 [ 339.004234] ? __local_bh_enable_ip+0x160/0x260 [ 339.004247] sctp_sendmsg+0xb80/0x1710 [ 339.004258] ? sctp_id2assoc+0x250/0x250 [ 339.028012] ? ___might_sleep+0x16b/0x270 [ 339.032156] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.037085] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 339.042008] inet_sendmsg+0x108/0x440 [ 339.045836] ? security_socket_sendmsg+0x4a/0x90 [ 339.050587] ? ipip_gro_receive+0xf0/0xf0 [ 339.054726] sock_sendmsg+0xb5/0xf0 [ 339.058350] sock_write_iter+0x1e9/0x3d0 [ 339.062402] ? sock_sendmsg+0xf0/0xf0 [ 339.066201] __vfs_write+0x4a3/0x970 [ 339.069907] ? lock_downgrade+0x7f0/0x7f0 [ 339.074044] ? kernel_read+0x130/0x130 [ 339.077925] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.082851] ? apparmor_file_permission+0x15/0x20 [ 339.087685] ? rw_verify_area+0xb8/0x2b0 [ 339.091739] vfs_write+0x150/0x4e0 [ 339.095272] ksys_write+0xcd/0x1b0 [ 339.098811] ? __ia32_sys_read+0xa0/0xa0 [ 339.102865] ? do_syscall_64+0x21/0x4d0 [ 339.106837] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.112194] __x64_sys_write+0x6e/0xb0 [ 339.116080] do_syscall_64+0xd0/0x4d0 [ 339.119872] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.125052] RIP: 0033:0x4592c9 [ 339.128232] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 339.147214] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 339.154914] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 339.162180] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 339.169442] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 339.176721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 339.183986] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 339.191260] CPU: 0 PID: 11682 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 339.198469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.207819] Call Trace: [ 339.210400] dump_stack+0x113/0x167 [ 339.214025] should_fail.cold.4+0x5/0x13 [ 339.218085] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 339.223183] ? lock_downgrade+0x7f0/0x7f0 [ 339.223192] ? ___might_sleep+0x16b/0x270 [ 339.223203] __should_failslab+0xba/0xf0 [ 339.223211] should_failslab+0x9/0x14 [ 339.223216] kmem_cache_alloc_node+0x270/0x730 [ 339.223222] ? find_held_lock+0x36/0x1d0 [ 339.239336] __alloc_skb+0xa7/0x570 [ 339.239344] ? skb_scrub_packet+0x3a0/0x3a0 [ 339.239359] _sctp_make_chunk+0x3f/0x260 [ 339.239368] sctp_make_datafrag_empty+0x159/0x260 [ 339.239375] ? sctp_make_ecne+0xf0/0xf0 [ 339.239385] ? process_measurement+0x805/0x14b0 [ 339.239393] sctp_datamsg_from_user+0x4d7/0xf30 [ 339.239403] ? mark_held_locks+0x130/0x130 [ 339.239414] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 339.239422] ? find_held_lock+0x36/0x1d0 [ 339.239433] ? sctp_clear_owner_w+0xf0/0xf0 [ 339.239438] ? lock_sock_nested+0xc5/0x100 [ 339.239444] ? lockdep_hardirqs_on+0x421/0x5c0 [ 339.256026] ? __local_bh_enable_ip+0x160/0x260 [ 339.256033] ? lock_sock_nested+0x82/0x100 [ 339.256039] ? trace_hardirqs_on+0x28/0x190 [ 339.256045] ? lock_sock_nested+0x82/0x100 [ 339.256052] ? __local_bh_enable_ip+0x160/0x260 [ 339.256063] sctp_sendmsg+0xb80/0x1710 [ 339.256075] ? sctp_id2assoc+0x250/0x250 [ 339.264953] ? ___might_sleep+0x16b/0x270 [ 339.264965] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.264978] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 339.264988] inet_sendmsg+0x108/0x440 [ 339.264995] ? security_socket_sendmsg+0x4a/0x90 [ 339.265000] ? ipip_gro_receive+0xf0/0xf0 [ 339.326228] sock_sendmsg+0xb5/0xf0 [ 339.343280] sock_write_iter+0x1e9/0x3d0 [ 339.368612] ? sock_sendmsg+0xf0/0xf0 [ 339.372419] __vfs_write+0x4a3/0x970 [ 339.376131] ? lock_downgrade+0x7f0/0x7f0 [ 339.380282] ? kernel_read+0x130/0x130 [ 339.384168] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.389097] ? apparmor_file_permission+0x15/0x20 [ 339.393931] ? rw_verify_area+0xb8/0x2b0 [ 339.397981] vfs_write+0x150/0x4e0 [ 339.397989] ksys_write+0xcd/0x1b0 [ 339.397996] ? __ia32_sys_read+0xa0/0xa0 [ 339.398004] ? do_syscall_64+0x21/0x4d0 [ 339.398013] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.398021] __x64_sys_write+0x6e/0xb0 [ 339.398028] do_syscall_64+0xd0/0x4d0 [ 339.398035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.398041] RIP: 0033:0x4592c9 [ 339.398047] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 339.453351] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 339.461058] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 339.468334] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 339.475595] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 339.482856] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 339.490149] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 339.497428] CPU: 1 PID: 11677 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 339.504710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.514062] Call Trace: [ 339.516656] dump_stack+0x113/0x167 [ 339.520289] should_fail.cold.4+0x5/0x13 [ 339.524351] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 339.529451] ? lock_downgrade+0x7f0/0x7f0 [ 339.533603] ? ___might_sleep+0x16b/0x270 [ 339.537755] __should_failslab+0xba/0xf0 [ 339.541818] should_failslab+0x9/0x14 [ 339.545606] kmem_cache_alloc_node+0x270/0x730 [ 339.550179] ? find_held_lock+0x36/0x1d0 [ 339.554234] __alloc_skb+0xa7/0x570 [ 339.557853] ? skb_scrub_packet+0x3a0/0x3a0 [ 339.562177] _sctp_make_chunk+0x3f/0x260 [ 339.566233] sctp_make_datafrag_empty+0x159/0x260 [ 339.571153] ? sctp_make_ecne+0xf0/0xf0 [ 339.575118] ? process_measurement+0x805/0x14b0 [ 339.579879] sctp_datamsg_from_user+0x4d7/0xf30 [ 339.584545] ? mark_held_locks+0x130/0x130 [ 339.588774] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 339.593360] ? find_held_lock+0x36/0x1d0 [ 339.597418] ? sctp_clear_owner_w+0xf0/0xf0 [ 339.601727] ? lock_sock_nested+0xc5/0x100 [ 339.605951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 339.610606] ? __local_bh_enable_ip+0x160/0x260 [ 339.615294] ? lock_sock_nested+0x82/0x100 [ 339.619531] ? trace_hardirqs_on+0x28/0x190 [ 339.623843] ? lock_sock_nested+0x82/0x100 [ 339.628069] ? __local_bh_enable_ip+0x160/0x260 [ 339.632730] sctp_sendmsg+0xb80/0x1710 [ 339.636614] ? sctp_id2assoc+0x250/0x250 [ 339.640670] ? ___might_sleep+0x16b/0x270 [ 339.644824] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.649750] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 339.654672] inet_sendmsg+0x108/0x440 [ 339.658462] ? security_socket_sendmsg+0x4a/0x90 [ 339.663227] ? ipip_gro_receive+0xf0/0xf0 [ 339.667369] sock_sendmsg+0xb5/0xf0 [ 339.671047] sock_write_iter+0x1e9/0x3d0 [ 339.675190] ? sock_sendmsg+0xf0/0xf0 [ 339.678994] __vfs_write+0x4a3/0x970 [ 339.682706] ? lock_downgrade+0x7f0/0x7f0 [ 339.686845] ? kernel_read+0x130/0x130 [ 339.690722] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.695649] ? apparmor_file_permission+0x15/0x20 [ 339.700485] ? rw_verify_area+0xb8/0x2b0 [ 339.704535] vfs_write+0x150/0x4e0 [ 339.708066] ksys_write+0xcd/0x1b0 [ 339.711595] ? __ia32_sys_read+0xa0/0xa0 [ 339.715647] ? do_syscall_64+0x21/0x4d0 [ 339.719613] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.724970] __x64_sys_write+0x6e/0xb0 [ 339.729899] do_syscall_64+0xd0/0x4d0 [ 339.733694] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.738871] RIP: 0033:0x4592c9 [ 339.742058] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 339.760949] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 339.768647] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 339.775907] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 339.783167] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 339.790431] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 339.797688] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 339.805055] CPU: 0 PID: 11684 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 339.812249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.812253] Call Trace: [ 339.824196] dump_stack+0x113/0x167 [ 339.827830] should_fail.cold.4+0x5/0x13 [ 339.831892] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 339.836999] ? lock_downgrade+0x7f0/0x7f0 [ 339.841145] ? ___might_sleep+0x16b/0x270 [ 339.845303] __should_failslab+0xba/0xf0 [ 339.849461] should_failslab+0x9/0x14 [ 339.849467] kmem_cache_alloc_node+0x270/0x730 [ 339.849474] ? find_held_lock+0x36/0x1d0 [ 339.849486] __alloc_skb+0xa7/0x570 [ 339.849493] ? skb_scrub_packet+0x3a0/0x3a0 [ 339.849508] _sctp_make_chunk+0x3f/0x260 [ 339.849517] sctp_make_datafrag_empty+0x159/0x260 [ 339.849524] ? sctp_make_ecne+0xf0/0xf0 [ 339.849534] ? process_measurement+0x805/0x14b0 [ 339.849542] sctp_datamsg_from_user+0x4d7/0xf30 [ 339.849550] ? mark_held_locks+0x130/0x130 [ 339.849562] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 339.849569] ? find_held_lock+0x36/0x1d0 [ 339.849580] ? sctp_clear_owner_w+0xf0/0xf0 [ 339.849585] ? lock_sock_nested+0xc5/0x100 [ 339.849590] ? lockdep_hardirqs_on+0x421/0x5c0 [ 339.887406] ? __local_bh_enable_ip+0x160/0x260 [ 339.887415] ? lock_sock_nested+0x82/0x100 [ 339.887422] ? trace_hardirqs_on+0x28/0x190 [ 339.887426] ? lock_sock_nested+0x82/0x100 [ 339.887431] ? lock_sock_nested+0x82/0x100 [ 339.887438] ? __local_bh_enable_ip+0x160/0x260 [ 339.887450] sctp_sendmsg+0xb80/0x1710 [ 339.887460] ? sctp_id2assoc+0x250/0x250 [ 339.887467] ? ___might_sleep+0x16b/0x270 [ 339.887477] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.887490] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 339.887500] inet_sendmsg+0x108/0x440 [ 339.887506] ? security_socket_sendmsg+0x4a/0x90 [ 339.887512] ? ipip_gro_receive+0xf0/0xf0 [ 339.887519] sock_sendmsg+0xb5/0xf0 [ 339.887525] sock_write_iter+0x1e9/0x3d0 [ 339.887532] ? sock_sendmsg+0xf0/0xf0 [ 339.887548] __vfs_write+0x4a3/0x970 [ 339.887554] ? lock_downgrade+0x7f0/0x7f0 [ 339.887560] ? kernel_read+0x130/0x130 [ 339.887568] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 339.887578] ? apparmor_file_permission+0x15/0x20 [ 339.887586] ? rw_verify_area+0xb8/0x2b0 [ 339.887593] vfs_write+0x150/0x4e0 [ 339.896483] ksys_write+0xcd/0x1b0 [ 339.903056] FAULT_INJECTION: forcing a failure. [ 339.903056] name failslab, interval 1, probability 0, space 0, times 0 [ 339.905088] ? __ia32_sys_read+0xa0/0xa0 [ 339.905097] ? do_syscall_64+0x21/0x4d0 [ 339.905106] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.905115] __x64_sys_write+0x6e/0xb0 [ 339.905122] do_syscall_64+0xd0/0x4d0 [ 339.905130] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.905136] RIP: 0033:0x4592c9 [ 339.905142] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 339.944516] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 339.974909] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 339.974914] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 339.974917] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 339.974920] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 339.974923] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 340.010394] FAULT_INJECTION: forcing a failure. [ 340.010394] name failslab, interval 1, probability 0, space 0, times 0 [ 340.029888] CPU: 1 PID: 11698 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 340.066903] FAULT_INJECTION: forcing a failure. [ 340.066903] name failslab, interval 1, probability 0, space 0, times 0 [ 340.083167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.083171] Call Trace: [ 340.083186] dump_stack+0x113/0x167 [ 340.083197] should_fail.cold.4+0x5/0x13 [ 340.083204] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 340.083210] ? lock_downgrade+0x7f0/0x7f0 [ 340.083219] ? ___might_sleep+0x16b/0x270 [ 340.083229] __should_failslab+0xba/0xf0 [ 340.083237] should_failslab+0x9/0x14 [ 340.091500] FAULT_INJECTION: forcing a failure. [ 340.091500] name failslab, interval 1, probability 0, space 0, times 0 [ 340.098195] kmem_cache_alloc_node+0x270/0x730 [ 340.098203] ? find_held_lock+0x36/0x1d0 [ 340.098215] __alloc_skb+0xa7/0x570 [ 340.098222] ? skb_scrub_packet+0x3a0/0x3a0 [ 340.098237] _sctp_make_chunk+0x3f/0x260 [ 340.098245] sctp_make_datafrag_empty+0x159/0x260 [ 340.119244] FAULT_INJECTION: forcing a failure. [ 340.119244] name fail_futex, interval 1, probability 0, space 0, times 0 [ 340.120027] ? sctp_make_ecne+0xf0/0xf0 [ 340.249429] ? process_measurement+0x805/0x14b0 [ 340.254100] sctp_datamsg_from_user+0x4d7/0xf30 [ 340.258769] ? mark_held_locks+0x130/0x130 [ 340.263007] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 340.267584] ? find_held_lock+0x36/0x1d0 [ 340.271641] ? sctp_clear_owner_w+0xf0/0xf0 [ 340.275946] ? lock_sock_nested+0xc5/0x100 [ 340.280170] ? lockdep_hardirqs_on+0x421/0x5c0 [ 340.284739] ? __local_bh_enable_ip+0x160/0x260 [ 340.289401] ? lock_sock_nested+0x82/0x100 [ 340.293624] ? trace_hardirqs_on+0x28/0x190 [ 340.297934] ? lock_sock_nested+0x82/0x100 [ 340.302162] ? lock_sock_nested+0x82/0x100 [ 340.306392] ? __local_bh_enable_ip+0x160/0x260 [ 340.311058] sctp_sendmsg+0xb80/0x1710 [ 340.314943] ? sctp_id2assoc+0x250/0x250 [ 340.319008] ? ___might_sleep+0x16b/0x270 [ 340.323159] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 340.328084] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 340.333006] inet_sendmsg+0x108/0x440 [ 340.336807] ? security_socket_sendmsg+0x4a/0x90 [ 340.341556] ? ipip_gro_receive+0xf0/0xf0 [ 340.345698] sock_sendmsg+0xb5/0xf0 [ 340.349318] sock_write_iter+0x1e9/0x3d0 [ 340.353374] ? sock_sendmsg+0xf0/0xf0 [ 340.357175] __vfs_write+0x4a3/0x970 [ 340.360900] ? lock_downgrade+0x7f0/0x7f0 [ 340.365043] ? kernel_read+0x130/0x130 [ 340.368921] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 340.373844] ? apparmor_file_permission+0x15/0x20 [ 340.378680] ? rw_verify_area+0xb8/0x2b0 [ 340.382730] vfs_write+0x150/0x4e0 [ 340.386268] ksys_write+0xcd/0x1b0 [ 340.389831] ? __ia32_sys_read+0xa0/0xa0 [ 340.393906] ? do_syscall_64+0x21/0x4d0 [ 340.397870] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.403235] __x64_sys_write+0x6e/0xb0 [ 340.407125] do_syscall_64+0xd0/0x4d0 [ 340.410920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.416098] RIP: 0033:0x4592c9 [ 340.419282] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 340.438177] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 340.445882] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 340.453146] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 340.460415] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 340.467676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 340.474953] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 340.482236] CPU: 0 PID: 11709 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 340.489446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.498797] Call Trace: [ 340.501397] dump_stack+0x113/0x167 [ 340.505029] should_fail.cold.4+0x5/0x13 [ 340.509094] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 340.514199] ? lock_downgrade+0x7f0/0x7f0 [ 340.518347] ? ___might_sleep+0x16b/0x270 [ 340.522500] __should_failslab+0xba/0xf0 [ 340.526559] should_failslab+0x9/0x14 [ 340.530372] kmem_cache_alloc+0x2c2/0x730 [ 340.534530] taskstats_exit+0x5de/0xc90 [ 340.538495] ? lockdep_hardirqs_on+0x421/0x5c0 [ 340.543080] ? taskstats_user_cmd+0xe60/0xe60 [ 340.543091] ? _raw_spin_unlock_irq+0x60/0x80 [ 340.543099] ? acct_collect+0x64f/0x7c0 [ 340.543108] do_exit+0x343/0x2ba0 [ 340.543116] ? inet_sendmsg+0x108/0x440 [ 340.543123] ? security_socket_sendmsg+0x4a/0x90 [ 340.543134] ? mm_update_next_owner+0x680/0x680 [ 340.543140] ? find_held_lock+0x36/0x1d0 [ 340.552121] ? get_signal+0x584/0x11d0 [ 340.552127] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.552132] ? get_signal+0x584/0x11d0 [ 340.552142] do_group_exit+0xf4/0x2f0 [ 340.552150] get_signal+0x532/0x11d0 [ 340.552166] do_signal+0x87/0x1930 [ 340.552175] ? rw_verify_area+0xb8/0x2b0 [ 340.604367] ? setup_sigcontext+0x7d0/0x7d0 [ 340.608692] ? kasan_check_write+0x14/0x20 [ 340.612927] ? fput+0x18/0x120 [ 340.616119] ? ksys_write+0x157/0x1b0 [ 340.619920] ? lockdep_hardirqs_on+0x421/0x5c0 [ 340.624502] ? exit_to_usermode_loop+0x3a/0x200 [ 340.629168] ? trace_hardirqs_on+0x28/0x190 [ 340.633489] exit_to_usermode_loop+0x114/0x200 [ 340.638070] do_syscall_64+0x407/0x4d0 [ 340.641955] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.647140] RIP: 0033:0x4592c9 [ 340.649710] FAULT_INJECTION: forcing a failure. [ 340.649710] name failslab, interval 1, probability 0, space 0, times 0 [ 340.661507] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 340.661511] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 340.661517] RAX: ffffffffffffffe0 RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 340.661520] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 340.661523] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 340.661526] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 340.661529] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 340.682277] CPU: 0 PID: 11704 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 340.731884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.741678] Call Trace: [ 340.748186] dump_stack+0x113/0x167 [ 340.752253] should_fail.cold.4+0x5/0x13 [ 340.756317] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 340.761411] ? lock_downgrade+0x7f0/0x7f0 [ 340.765562] ? ___might_sleep+0x16b/0x270 [ 340.769705] __should_failslab+0xba/0xf0 [ 340.773764] should_failslab+0x9/0x14 [ 340.777565] kmem_cache_alloc_node+0x270/0x730 [ 340.782148] ? find_held_lock+0x36/0x1d0 [ 340.786213] __alloc_skb+0xa7/0x570 [ 340.789832] ? skb_scrub_packet+0x3a0/0x3a0 [ 340.794154] _sctp_make_chunk+0x3f/0x260 [ 340.798214] sctp_make_datafrag_empty+0x159/0x260 [ 340.803056] ? sctp_make_ecne+0xf0/0xf0 [ 340.807030] ? process_measurement+0x805/0x14b0 [ 340.811698] sctp_datamsg_from_user+0x4d7/0xf30 [ 340.816371] ? mark_held_locks+0x130/0x130 [ 340.820612] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 340.825207] ? find_held_lock+0x36/0x1d0 [ 340.829272] ? sctp_clear_owner_w+0xf0/0xf0 [ 340.833602] ? lock_sock_nested+0xc5/0x100 [ 340.837833] ? lockdep_hardirqs_on+0x421/0x5c0 [ 340.837839] ? __local_bh_enable_ip+0x160/0x260 [ 340.837844] ? lock_sock_nested+0x82/0x100 [ 340.837849] ? trace_hardirqs_on+0x28/0x190 [ 340.837854] ? lock_sock_nested+0x82/0x100 [ 340.837861] ? __local_bh_enable_ip+0x160/0x260 [ 340.837872] sctp_sendmsg+0xb80/0x1710 [ 340.837890] ? sctp_id2assoc+0x250/0x250 [ 340.837900] ? ___might_sleep+0x16b/0x270 [ 340.837920] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 340.847170] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 340.847180] inet_sendmsg+0x108/0x440 [ 340.847187] ? security_socket_sendmsg+0x4a/0x90 [ 340.847193] ? ipip_gro_receive+0xf0/0xf0 [ 340.847200] sock_sendmsg+0xb5/0xf0 [ 340.847207] sock_write_iter+0x1e9/0x3d0 [ 340.847213] ? sock_sendmsg+0xf0/0xf0 [ 340.847230] __vfs_write+0x4a3/0x970 [ 340.847237] ? lock_downgrade+0x7f0/0x7f0 [ 340.847242] ? kernel_read+0x130/0x130 [ 340.847249] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 340.847259] ? apparmor_file_permission+0x15/0x20 [ 340.847267] ? rw_verify_area+0xb8/0x2b0 [ 340.847275] vfs_write+0x150/0x4e0 [ 340.847282] ksys_write+0xcd/0x1b0 [ 340.847289] ? __ia32_sys_read+0xa0/0xa0 [ 340.954996] ? do_syscall_64+0x21/0x4d0 [ 340.958966] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.964326] __x64_sys_write+0x6e/0xb0 [ 340.968210] do_syscall_64+0xd0/0x4d0 [ 340.972009] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.977196] RIP: 0033:0x4592c9 [ 340.980387] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 340.999374] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 341.007079] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 341.014347] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 341.021620] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 341.021624] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 341.021627] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 341.061596] CPU: 1 PID: 11711 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 341.065846] FAULT_INJECTION: forcing a failure. [ 341.065846] name failslab, interval 1, probability 0, space 0, times 0 [ 341.068819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.068823] Call Trace: [ 341.068836] dump_stack+0x113/0x167 [ 341.068848] should_fail.cold.4+0x5/0x13 [ 341.068855] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 341.068863] ? _raw_spin_unlock+0x2c/0x50 [ 341.068871] ? free_one_page+0x985/0xf30 [ 341.068881] get_futex_key+0x19e/0x1030 [ 341.068887] ? trace_hardirqs_on+0x28/0x190 [ 341.068898] ? futex_lock_pi_atomic+0x200/0x200 [ 341.068905] ? __free_pages+0x7f/0xb0 [ 341.068913] ? check_noncircular+0x20/0x20 [ 341.068920] ? finish_task_switch+0x486/0x6d0 [ 341.068928] futex_wake+0xcb/0x590 [ 341.068935] ? get_futex_key+0x1030/0x1030 [ 341.068946] ? __lock_acquire+0x5d6/0x4760 [ 341.068955] do_futex+0x59a/0x1800 [ 341.068959] ? __lock_acquire+0x5d6/0x4760 [ 341.068967] ? mark_held_locks+0x130/0x130 [ 341.162445] ? exit_robust_list+0x1b0/0x1b0 [ 341.166772] ? mark_held_locks+0x130/0x130 [ 341.171009] ? find_held_lock+0x36/0x1d0 [ 341.175063] ? find_held_lock+0x36/0x1d0 [ 341.179152] ? __might_fault+0xf1/0x1b0 [ 341.183124] ? lock_downgrade+0x7f0/0x7f0 [ 341.187277] mm_release+0x2da/0x410 [ 341.190899] do_exit+0x388/0x2ba0 [ 341.194346] ? inet_sendmsg+0x108/0x440 [ 341.198345] ? security_socket_sendmsg+0x4a/0x90 [ 341.203106] ? mm_update_next_owner+0x680/0x680 [ 341.207782] ? find_held_lock+0x36/0x1d0 [ 341.211860] ? get_signal+0x584/0x11d0 [ 341.215749] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.220243] ? get_signal+0x584/0x11d0 [ 341.224134] do_group_exit+0xf4/0x2f0 [ 341.227932] get_signal+0x532/0x11d0 [ 341.231648] do_signal+0x87/0x1930 [ 341.235193] ? rw_verify_area+0xb8/0x2b0 [ 341.239248] ? setup_sigcontext+0x7d0/0x7d0 [ 341.243564] ? kasan_check_write+0x14/0x20 [ 341.247799] ? fput+0x18/0x120 [ 341.250988] ? ksys_write+0x157/0x1b0 [ 341.254782] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.259358] ? exit_to_usermode_loop+0x3a/0x200 [ 341.264017] ? trace_hardirqs_on+0x28/0x190 [ 341.268343] exit_to_usermode_loop+0x114/0x200 [ 341.272920] do_syscall_64+0x407/0x4d0 [ 341.276808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.281986] RIP: 0033:0x4592c9 [ 341.285193] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 341.304439] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 341.312138] RAX: ffffffffffffffe0 RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 341.319572] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 341.326831] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 341.334093] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 341.341359] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 341.348638] CPU: 0 PID: 11719 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 341.355841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.365197] Call Trace: [ 341.367786] dump_stack+0x113/0x167 [ 341.371412] should_fail.cold.4+0x5/0x13 [ 341.375468] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 341.380562] ? lock_downgrade+0x7f0/0x7f0 [ 341.384711] ? ___might_sleep+0x16b/0x270 [ 341.388854] __should_failslab+0xba/0xf0 [ 341.392909] should_failslab+0x9/0x14 [ 341.396702] kmem_cache_alloc_node+0x270/0x730 [ 341.401279] ? find_held_lock+0x36/0x1d0 [ 341.405341] __alloc_skb+0xa7/0x570 [ 341.409054] ? skb_scrub_packet+0x3a0/0x3a0 [ 341.413378] _sctp_make_chunk+0x3f/0x260 [ 341.417434] sctp_make_datafrag_empty+0x159/0x260 [ 341.422269] ? sctp_make_ecne+0xf0/0xf0 [ 341.426236] ? process_measurement+0x805/0x14b0 [ 341.430905] sctp_datamsg_from_user+0x4d7/0xf30 [ 341.435570] ? mark_held_locks+0x130/0x130 [ 341.435583] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 341.435591] ? find_held_lock+0x36/0x1d0 [ 341.435603] ? sctp_clear_owner_w+0xf0/0xf0 [ 341.435610] ? lock_sock_nested+0xc5/0x100 [ 341.435615] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.461536] ? __local_bh_enable_ip+0x160/0x260 [ 341.466225] ? lock_sock_nested+0x82/0x100 [ 341.466232] ? trace_hardirqs_on+0x28/0x190 [ 341.466236] ? lock_sock_nested+0x82/0x100 [ 341.466241] ? lock_sock_nested+0x82/0x100 [ 341.466248] ? __local_bh_enable_ip+0x160/0x260 [ 341.466261] sctp_sendmsg+0xb80/0x1710 [ 341.466272] ? sctp_id2assoc+0x250/0x250 [ 341.495825] ? ___might_sleep+0x16b/0x270 [ 341.499973] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 341.504906] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 341.509836] inet_sendmsg+0x108/0x440 [ 341.513636] ? security_socket_sendmsg+0x4a/0x90 [ 341.518386] ? ipip_gro_receive+0xf0/0xf0 [ 341.522536] sock_sendmsg+0xb5/0xf0 [ 341.526159] sock_write_iter+0x1e9/0x3d0 [ 341.530214] ? sock_sendmsg+0xf0/0xf0 [ 341.534020] __vfs_write+0x4a3/0x970 [ 341.537752] ? lock_downgrade+0x7f0/0x7f0 [ 341.541895] ? kernel_read+0x130/0x130 [ 341.545777] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 341.550702] ? apparmor_file_permission+0x15/0x20 [ 341.555543] ? rw_verify_area+0xb8/0x2b0 [ 341.559595] vfs_write+0x150/0x4e0 [ 341.563130] ksys_write+0xcd/0x1b0 [ 341.566660] ? __ia32_sys_read+0xa0/0xa0 [ 341.570723] ? do_syscall_64+0x21/0x4d0 [ 341.574699] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.580058] __x64_sys_write+0x6e/0xb0 [ 341.583938] do_syscall_64+0xd0/0x4d0 [ 341.587731] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.592913] RIP: 0033:0x4592c9 [ 341.596099] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 341.614996] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 341.622727] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 341.629991] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 341.637257] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 341.644524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 341.651806] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 341.659093] CPU: 1 PID: 11716 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 341.666289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.675644] Call Trace: [ 341.678251] dump_stack+0x113/0x167 [ 341.681888] should_fail.cold.4+0x5/0x13 [ 341.685947] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 341.691050] ? lock_downgrade+0x7f0/0x7f0 [ 341.695196] ? ___might_sleep+0x16b/0x270 [ 341.699349] __should_failslab+0xba/0xf0 [ 341.703409] should_failslab+0x9/0x14 [ 341.707202] kmem_cache_alloc_node+0x270/0x730 [ 341.711783] ? find_held_lock+0x36/0x1d0 [ 341.715849] __alloc_skb+0xa7/0x570 [ 341.719489] ? skb_scrub_packet+0x3a0/0x3a0 [ 341.723834] _sctp_make_chunk+0x3f/0x260 [ 341.728988] sctp_make_datafrag_empty+0x159/0x260 [ 341.733856] ? sctp_make_ecne+0xf0/0xf0 [ 341.737824] ? process_measurement+0x805/0x14b0 [ 341.742489] sctp_datamsg_from_user+0x4d7/0xf30 [ 341.747156] ? mark_held_locks+0x130/0x130 [ 341.751385] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 341.755962] ? find_held_lock+0x36/0x1d0 [ 341.760015] ? sctp_clear_owner_w+0xf0/0xf0 [ 341.764333] ? lock_sock_nested+0xc5/0x100 [ 341.768555] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.773124] ? __local_bh_enable_ip+0x160/0x260 [ 341.777778] ? lock_sock_nested+0x82/0x100 [ 341.782008] ? trace_hardirqs_on+0x28/0x190 [ 341.786318] ? lock_sock_nested+0x82/0x100 [ 341.790552] ? lock_sock_nested+0x82/0x100 [ 341.794781] ? __local_bh_enable_ip+0x160/0x260 [ 341.799449] sctp_sendmsg+0xb80/0x1710 [ 341.803331] ? sctp_id2assoc+0x250/0x250 [ 341.807386] ? ___might_sleep+0x16b/0x270 [ 341.811531] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 341.816455] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 341.821375] inet_sendmsg+0x108/0x440 [ 341.825173] ? security_socket_sendmsg+0x4a/0x90 [ 341.829944] ? ipip_gro_receive+0xf0/0xf0 [ 341.834086] sock_sendmsg+0xb5/0xf0 [ 341.837713] sock_write_iter+0x1e9/0x3d0 [ 341.841798] ? sock_sendmsg+0xf0/0xf0 [ 341.845600] __vfs_write+0x4a3/0x970 [ 341.849303] ? lock_downgrade+0x7f0/0x7f0 [ 341.853443] ? kernel_read+0x130/0x130 [ 341.857331] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 341.862255] ? apparmor_file_permission+0x15/0x20 [ 341.867090] ? rw_verify_area+0xb8/0x2b0 [ 341.871142] vfs_write+0x150/0x4e0 [ 341.874676] ksys_write+0xcd/0x1b0 [ 341.878211] ? __ia32_sys_read+0xa0/0xa0 [ 341.882263] ? do_syscall_64+0x21/0x4d0 [ 341.886228] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.891587] __x64_sys_write+0x6e/0xb0 [ 341.895466] do_syscall_64+0xd0/0x4d0 [ 341.899259] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.904435] RIP: 0033:0x4592c9 [ 341.907618] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 341.926511] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 341.934215] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 341.941477] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 341.948739] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 341.955999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 341.963275] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 341.971127] CPU: 0 PID: 11705 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 341.978327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.978331] Call Trace: [ 341.978344] dump_stack+0x113/0x167 [ 341.978355] should_fail.cold.4+0x5/0x13 [ 341.978362] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 341.978371] ? lock_downgrade+0x7f0/0x7f0 [ 342.007214] ? ___might_sleep+0x16b/0x270 [ 342.007227] __should_failslab+0xba/0xf0 [ 342.007235] should_failslab+0x9/0x14 [ 342.007240] kmem_cache_alloc_node+0x270/0x730 [ 342.007248] ? find_held_lock+0x36/0x1d0 [ 342.007260] __alloc_skb+0xa7/0x570 [ 342.007267] ? skb_scrub_packet+0x3a0/0x3a0 [ 342.007281] _sctp_make_chunk+0x3f/0x260 [ 342.007289] sctp_make_datafrag_empty+0x159/0x260 [ 342.007302] ? sctp_make_ecne+0xf0/0xf0 [ 342.007312] ? process_measurement+0x805/0x14b0 [ 342.007321] sctp_datamsg_from_user+0x4d7/0xf30 [ 342.007330] ? mark_held_locks+0x130/0x130 [ 342.007341] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 342.007348] ? find_held_lock+0x36/0x1d0 [ 342.007358] ? sctp_clear_owner_w+0xf0/0xf0 [ 342.019378] ? lock_sock_nested+0xc5/0x100 [ 342.019385] ? lockdep_hardirqs_on+0x421/0x5c0 [ 342.019391] ? __local_bh_enable_ip+0x160/0x260 [ 342.019395] ? lock_sock_nested+0x82/0x100 [ 342.019401] ? trace_hardirqs_on+0x28/0x190 [ 342.019406] ? lock_sock_nested+0x82/0x100 [ 342.019413] ? __local_bh_enable_ip+0x160/0x260 [ 342.019424] sctp_sendmsg+0xb80/0x1710 [ 342.019435] ? sctp_id2assoc+0x250/0x250 [ 342.019440] ? ___might_sleep+0x16b/0x270 [ 342.019451] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.019464] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 342.019473] inet_sendmsg+0x108/0x440 [ 342.019480] ? security_socket_sendmsg+0x4a/0x90 [ 342.019484] ? ipip_gro_receive+0xf0/0xf0 [ 342.019492] sock_sendmsg+0xb5/0xf0 [ 342.019499] sock_write_iter+0x1e9/0x3d0 [ 342.019506] ? sock_sendmsg+0xf0/0xf0 [ 342.019521] __vfs_write+0x4a3/0x970 [ 342.028156] ? lock_downgrade+0x7f0/0x7f0 [ 342.028164] ? kernel_read+0x130/0x130 [ 342.028171] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.028182] ? apparmor_file_permission+0x15/0x20 [ 342.028190] ? rw_verify_area+0xb8/0x2b0 [ 342.028198] vfs_write+0x150/0x4e0 [ 342.028207] ksys_write+0xcd/0x1b0 [ 342.028213] ? __ia32_sys_read+0xa0/0xa0 [ 342.028222] ? do_syscall_64+0x21/0x4d0 [ 342.028231] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.028240] __x64_sys_write+0x6e/0xb0 [ 342.028246] do_syscall_64+0xd0/0x4d0 [ 342.028253] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.028258] RIP: 0033:0x4592c9 [ 342.028265] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 342.028268] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 342.028274] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 342.028278] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 342.028282] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 342.028285] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 342.028288] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 342.152031] FAULT_INJECTION: forcing a failure. [ 342.152031] name failslab, interval 1, probability 0, space 0, times 0 [ 342.183812] FAULT_INJECTION: forcing a failure. [ 342.183812] name failslab, interval 1, probability 0, space 0, times 0 [ 342.202494] CPU: 0 PID: 11733 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 342.249899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.249903] Call Trace: [ 342.249917] dump_stack+0x113/0x167 [ 342.249928] should_fail.cold.4+0x5/0x13 [ 342.249936] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 342.249942] ? lock_downgrade+0x7f0/0x7f0 [ 342.249952] ? ___might_sleep+0x16b/0x270 [ 342.272186] __should_failslab+0xba/0xf0 [ 342.272195] should_failslab+0x9/0x14 [ 342.272201] kmem_cache_alloc_node+0x270/0x730 [ 342.272207] ? find_held_lock+0x36/0x1d0 [ 342.272218] __alloc_skb+0xa7/0x570 [ 342.272225] ? skb_scrub_packet+0x3a0/0x3a0 [ 342.290701] _sctp_make_chunk+0x3f/0x260 [ 342.318436] sctp_make_datafrag_empty+0x159/0x260 [ 342.318443] ? sctp_make_ecne+0xf0/0xf0 [ 342.318453] ? process_measurement+0x805/0x14b0 [ 342.318461] sctp_datamsg_from_user+0x4d7/0xf30 [ 342.318473] ? mark_held_locks+0x130/0x130 [ 342.328712] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 342.328722] ? find_held_lock+0x36/0x1d0 [ 342.328732] ? sctp_clear_owner_w+0xf0/0xf0 [ 342.337966] ? lock_sock_nested+0xc5/0x100 [ 342.337972] ? lockdep_hardirqs_on+0x421/0x5c0 [ 342.337982] ? __local_bh_enable_ip+0x160/0x260 [ 342.337986] ? lock_sock_nested+0x82/0x100 [ 342.337994] ? trace_hardirqs_on+0x28/0x190 [ 342.337998] ? lock_sock_nested+0x82/0x100 [ 342.338002] ? lock_sock_nested+0x82/0x100 [ 342.338008] ? __local_bh_enable_ip+0x160/0x260 [ 342.338017] sctp_sendmsg+0xb80/0x1710 [ 342.370745] ? sctp_id2assoc+0x250/0x250 [ 342.379553] ? ___might_sleep+0x16b/0x270 [ 342.379563] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.379576] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 342.379585] inet_sendmsg+0x108/0x440 [ 342.379592] ? security_socket_sendmsg+0x4a/0x90 [ 342.379597] ? ipip_gro_receive+0xf0/0xf0 [ 342.379605] sock_sendmsg+0xb5/0xf0 [ 342.379611] sock_write_iter+0x1e9/0x3d0 [ 342.379618] ? sock_sendmsg+0xf0/0xf0 [ 342.379634] __vfs_write+0x4a3/0x970 [ 342.398155] FAULT_INJECTION: forcing a failure. [ 342.398155] name failslab, interval 1, probability 0, space 0, times 0 [ 342.401777] ? lock_downgrade+0x7f0/0x7f0 [ 342.410319] ? kernel_read+0x130/0x130 [ 342.419540] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.419551] ? apparmor_file_permission+0x15/0x20 [ 342.419560] ? rw_verify_area+0xb8/0x2b0 [ 342.419567] vfs_write+0x150/0x4e0 [ 342.419575] ksys_write+0xcd/0x1b0 [ 342.419581] ? __ia32_sys_read+0xa0/0xa0 [ 342.419589] ? do_syscall_64+0x21/0x4d0 [ 342.419597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.419604] __x64_sys_write+0x6e/0xb0 [ 342.419610] do_syscall_64+0xd0/0x4d0 [ 342.419617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.419622] RIP: 0033:0x4592c9 [ 342.419629] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 342.419632] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 342.586960] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 342.594220] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 342.601482] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 342.608745] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 342.616006] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 342.623369] CPU: 1 PID: 11739 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 342.630567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.639951] Call Trace: [ 342.642545] dump_stack+0x113/0x167 [ 342.646178] should_fail.cold.4+0x5/0x13 [ 342.650245] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 342.655354] ? lock_downgrade+0x7f0/0x7f0 [ 342.659510] ? ___might_sleep+0x16b/0x270 [ 342.663672] __should_failslab+0xba/0xf0 [ 342.667743] should_failslab+0x9/0x14 [ 342.671545] kmem_cache_alloc_node+0x270/0x730 [ 342.676123] ? find_held_lock+0x36/0x1d0 [ 342.680188] __alloc_skb+0xa7/0x570 [ 342.683822] ? skb_scrub_packet+0x3a0/0x3a0 [ 342.688153] _sctp_make_chunk+0x3f/0x260 [ 342.692218] sctp_make_datafrag_empty+0x159/0x260 [ 342.697093] ? sctp_make_ecne+0xf0/0xf0 [ 342.701074] ? process_measurement+0x805/0x14b0 [ 342.705782] sctp_datamsg_from_user+0x4d7/0xf30 [ 342.706685] FAULT_INJECTION: forcing a failure. [ 342.706685] name failslab, interval 1, probability 0, space 0, times 0 [ 342.710461] ? mark_held_locks+0x130/0x130 [ 342.710474] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 342.710482] ? find_held_lock+0x36/0x1d0 [ 342.710493] ? sctp_clear_owner_w+0xf0/0xf0 [ 342.710500] ? lock_sock_nested+0xc5/0x100 [ 342.710506] ? lockdep_hardirqs_on+0x421/0x5c0 [ 342.710512] ? __local_bh_enable_ip+0x160/0x260 [ 342.710516] ? lock_sock_nested+0x82/0x100 [ 342.710522] ? trace_hardirqs_on+0x28/0x190 [ 342.710526] ? lock_sock_nested+0x82/0x100 [ 342.710530] ? lock_sock_nested+0x82/0x100 [ 342.710538] ? __local_bh_enable_ip+0x160/0x260 [ 342.753883] FAULT_INJECTION: forcing a failure. [ 342.753883] name failslab, interval 1, probability 0, space 0, times 0 [ 342.756558] sctp_sendmsg+0xb80/0x1710 [ 342.756571] ? sctp_id2assoc+0x250/0x250 [ 342.756579] ? ___might_sleep+0x16b/0x270 [ 342.756591] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.756605] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 342.756614] inet_sendmsg+0x108/0x440 [ 342.810836] ? security_socket_sendmsg+0x4a/0x90 [ 342.815587] ? ipip_gro_receive+0xf0/0xf0 [ 342.819725] sock_sendmsg+0xb5/0xf0 [ 342.823346] sock_write_iter+0x1e9/0x3d0 [ 342.827403] ? sock_sendmsg+0xf0/0xf0 [ 342.831209] __vfs_write+0x4a3/0x970 [ 342.834914] ? lock_downgrade+0x7f0/0x7f0 [ 342.839055] ? kernel_read+0x130/0x130 [ 342.842932] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 342.847856] ? apparmor_file_permission+0x15/0x20 [ 342.852693] ? rw_verify_area+0xb8/0x2b0 [ 342.856746] vfs_write+0x150/0x4e0 [ 342.861813] ksys_write+0xcd/0x1b0 [ 342.865355] ? __ia32_sys_read+0xa0/0xa0 [ 342.869409] ? do_syscall_64+0x21/0x4d0 [ 342.873476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.888039] __x64_sys_write+0x6e/0xb0 [ 342.891929] do_syscall_64+0xd0/0x4d0 [ 342.895723] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.900900] RIP: 0033:0x4592c9 [ 342.904087] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 342.922979] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 342.931306] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 342.938569] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 342.945832] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 342.953094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 342.960356] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 342.967638] CPU: 0 PID: 11755 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 342.974833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.984182] Call Trace: [ 342.986768] dump_stack+0x113/0x167 [ 342.990401] should_fail.cold.4+0x5/0x13 [ 342.994468] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 342.999567] ? lock_downgrade+0x7f0/0x7f0 [ 343.003709] ? ___might_sleep+0x16b/0x270 [ 343.007861] __should_failslab+0xba/0xf0 [ 343.011919] should_failslab+0x9/0x14 [ 343.015805] kmem_cache_alloc_node+0x270/0x730 [ 343.020384] ? find_held_lock+0x36/0x1d0 [ 343.024473] __alloc_skb+0xa7/0x570 [ 343.028096] ? skb_scrub_packet+0x3a0/0x3a0 [ 343.032415] _sctp_make_chunk+0x3f/0x260 [ 343.036471] sctp_make_datafrag_empty+0x159/0x260 [ 343.041308] ? sctp_make_ecne+0xf0/0xf0 [ 343.045281] ? process_measurement+0x805/0x14b0 [ 343.049950] sctp_datamsg_from_user+0x4d7/0xf30 [ 343.054614] ? mark_held_locks+0x130/0x130 [ 343.058844] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 343.063417] ? find_held_lock+0x36/0x1d0 [ 343.067472] ? sctp_clear_owner_w+0xf0/0xf0 [ 343.071790] ? lock_sock_nested+0xc5/0x100 [ 343.076015] ? lockdep_hardirqs_on+0x421/0x5c0 [ 343.080588] ? __local_bh_enable_ip+0x160/0x260 [ 343.085246] ? lock_sock_nested+0x82/0x100 [ 343.089471] ? trace_hardirqs_on+0x28/0x190 [ 343.093777] ? lock_sock_nested+0x82/0x100 [ 343.098002] ? lock_sock_nested+0x82/0x100 [ 343.102227] ? __local_bh_enable_ip+0x160/0x260 [ 343.106889] sctp_sendmsg+0xb80/0x1710 [ 343.110771] ? sctp_id2assoc+0x250/0x250 [ 343.114826] ? ___might_sleep+0x16b/0x270 [ 343.118969] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.123893] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 343.128816] inet_sendmsg+0x108/0x440 [ 343.132606] ? security_socket_sendmsg+0x4a/0x90 [ 343.137353] ? ipip_gro_receive+0xf0/0xf0 [ 343.141492] sock_sendmsg+0xb5/0xf0 [ 343.145113] sock_write_iter+0x1e9/0x3d0 [ 343.149178] ? sock_sendmsg+0xf0/0xf0 [ 343.152986] __vfs_write+0x4a3/0x970 [ 343.156686] ? lock_downgrade+0x7f0/0x7f0 [ 343.160831] ? kernel_read+0x130/0x130 [ 343.164716] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.169715] ? apparmor_file_permission+0x15/0x20 [ 343.174549] ? rw_verify_area+0xb8/0x2b0 [ 343.178608] vfs_write+0x150/0x4e0 [ 343.182145] ksys_write+0xcd/0x1b0 [ 343.185678] ? __ia32_sys_read+0xa0/0xa0 [ 343.189730] ? do_syscall_64+0x21/0x4d0 [ 343.193697] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.199059] __x64_sys_write+0x6e/0xb0 [ 343.202938] do_syscall_64+0xd0/0x4d0 [ 343.206734] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.211918] RIP: 0033:0x4592c9 [ 343.215106] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 343.233999] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 343.241696] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 343.248954] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 343.256214] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 343.263473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 2019/06/15 21:33:39 executed programs: 1185 [ 343.270733] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 343.278105] CPU: 1 PID: 11741 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 343.285391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.294746] Call Trace: [ 343.297418] dump_stack+0x113/0x167 [ 343.301048] should_fail.cold.4+0x5/0x13 [ 343.305117] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 343.310307] ? lock_downgrade+0x7f0/0x7f0 [ 343.314454] ? ___might_sleep+0x16b/0x270 [ 343.318603] __should_failslab+0xba/0xf0 [ 343.322660] should_failslab+0x9/0x14 [ 343.326458] kmem_cache_alloc_node+0x270/0x730 [ 343.326828] FAULT_INJECTION: forcing a failure. [ 343.326828] name failslab, interval 1, probability 0, space 0, times 0 [ 343.331036] ? find_held_lock+0x36/0x1d0 [ 343.331049] __alloc_skb+0xa7/0x570 [ 343.331057] ? skb_scrub_packet+0x3a0/0x3a0 [ 343.331072] _sctp_make_chunk+0x3f/0x260 [ 343.331081] sctp_make_datafrag_empty+0x159/0x260 [ 343.331089] ? sctp_make_ecne+0xf0/0xf0 [ 343.367156] ? process_measurement+0x805/0x14b0 [ 343.371824] sctp_datamsg_from_user+0x4d7/0xf30 [ 343.376485] ? mark_held_locks+0x130/0x130 [ 343.380716] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 343.385291] ? find_held_lock+0x36/0x1d0 [ 343.389348] ? sctp_clear_owner_w+0xf0/0xf0 [ 343.393659] ? lock_sock_nested+0xc5/0x100 [ 343.397883] ? lockdep_hardirqs_on+0x421/0x5c0 [ 343.402455] ? __local_bh_enable_ip+0x160/0x260 [ 343.407118] ? lock_sock_nested+0x82/0x100 [ 343.411338] ? trace_hardirqs_on+0x28/0x190 [ 343.415650] ? lock_sock_nested+0x82/0x100 [ 343.419873] ? lock_sock_nested+0x82/0x100 [ 343.424095] ? __local_bh_enable_ip+0x160/0x260 [ 343.428759] sctp_sendmsg+0xb80/0x1710 [ 343.432643] ? sctp_id2assoc+0x250/0x250 [ 343.436694] ? ___might_sleep+0x16b/0x270 [ 343.440837] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.445762] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 343.450686] inet_sendmsg+0x108/0x440 [ 343.454477] ? security_socket_sendmsg+0x4a/0x90 [ 343.459222] ? ipip_gro_receive+0xf0/0xf0 [ 343.463361] sock_sendmsg+0xb5/0xf0 [ 343.466982] sock_write_iter+0x1e9/0x3d0 [ 343.471032] ? sock_sendmsg+0xf0/0xf0 [ 343.474832] __vfs_write+0x4a3/0x970 [ 343.478533] ? lock_downgrade+0x7f0/0x7f0 [ 343.482678] ? kernel_read+0x130/0x130 [ 343.486561] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.491483] ? apparmor_file_permission+0x15/0x20 [ 343.496323] ? rw_verify_area+0xb8/0x2b0 [ 343.500384] vfs_write+0x150/0x4e0 [ 343.503926] ksys_write+0xcd/0x1b0 [ 343.507465] ? __ia32_sys_read+0xa0/0xa0 [ 343.511524] ? do_syscall_64+0x21/0x4d0 [ 343.515495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.520863] __x64_sys_write+0x6e/0xb0 [ 343.524749] do_syscall_64+0xd0/0x4d0 [ 343.528548] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.533737] RIP: 0033:0x4592c9 [ 343.536928] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 343.555826] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 343.563565] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 343.570835] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 343.574490] FAULT_INJECTION: forcing a failure. [ 343.574490] name failslab, interval 1, probability 0, space 0, times 0 [ 343.578094] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 343.578098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 343.578101] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 343.600632] CPU: 0 PID: 11751 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 343.619616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.628968] Call Trace: [ 343.631564] dump_stack+0x113/0x167 [ 343.635192] should_fail.cold.4+0x5/0x13 [ 343.639247] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 343.639254] ? lock_downgrade+0x7f0/0x7f0 [ 343.639262] ? ___might_sleep+0x16b/0x270 [ 343.639271] __should_failslab+0xba/0xf0 [ 343.639278] should_failslab+0x9/0x14 [ 343.639283] kmem_cache_alloc_node+0x270/0x730 [ 343.639288] ? find_held_lock+0x36/0x1d0 [ 343.639306] __alloc_skb+0xa7/0x570 [ 343.639314] ? skb_scrub_packet+0x3a0/0x3a0 [ 343.639328] _sctp_make_chunk+0x3f/0x260 [ 343.639336] sctp_make_datafrag_empty+0x159/0x260 [ 343.639343] ? sctp_make_ecne+0xf0/0xf0 [ 343.648307] FAULT_INJECTION: forcing a failure. [ 343.648307] name failslab, interval 1, probability 0, space 0, times 0 [ 343.648577] ? process_measurement+0x805/0x14b0 [ 343.660562] sctp_datamsg_from_user+0x4d7/0xf30 [ 343.710656] ? mark_held_locks+0x130/0x130 [ 343.714897] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 343.719473] ? find_held_lock+0x36/0x1d0 [ 343.723533] ? sctp_clear_owner_w+0xf0/0xf0 [ 343.728988] ? lock_sock_nested+0xc5/0x100 [ 343.733215] ? lockdep_hardirqs_on+0x421/0x5c0 [ 343.737793] ? __local_bh_enable_ip+0x160/0x260 [ 343.742452] ? lock_sock_nested+0x82/0x100 [ 343.746676] ? trace_hardirqs_on+0x28/0x190 [ 343.751001] ? lock_sock_nested+0x82/0x100 [ 343.757497] ? lock_sock_nested+0x82/0x100 [ 343.761726] ? __local_bh_enable_ip+0x160/0x260 [ 343.766403] sctp_sendmsg+0xb80/0x1710 [ 343.770305] ? sctp_id2assoc+0x250/0x250 [ 343.774356] ? ___might_sleep+0x16b/0x270 [ 343.778498] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.783429] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 343.788352] inet_sendmsg+0x108/0x440 [ 343.792235] ? security_socket_sendmsg+0x4a/0x90 [ 343.796989] ? ipip_gro_receive+0xf0/0xf0 [ 343.801132] sock_sendmsg+0xb5/0xf0 [ 343.804748] sock_write_iter+0x1e9/0x3d0 [ 343.808801] ? sock_sendmsg+0xf0/0xf0 [ 343.812620] __vfs_write+0x4a3/0x970 [ 343.816323] ? lock_downgrade+0x7f0/0x7f0 [ 343.820489] ? kernel_read+0x130/0x130 [ 343.824407] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 343.829333] ? apparmor_file_permission+0x15/0x20 [ 343.834171] ? rw_verify_area+0xb8/0x2b0 [ 343.838223] vfs_write+0x150/0x4e0 [ 343.841763] ksys_write+0xcd/0x1b0 [ 343.845300] ? __ia32_sys_read+0xa0/0xa0 [ 343.849356] ? do_syscall_64+0x21/0x4d0 [ 343.853325] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.858682] __x64_sys_write+0x6e/0xb0 [ 343.862567] do_syscall_64+0xd0/0x4d0 [ 343.866363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.871714] RIP: 0033:0x4592c9 [ 343.874898] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 343.893797] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 343.901500] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 343.908861] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 343.916307] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 343.923569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 343.930830] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 343.938110] CPU: 1 PID: 11761 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 343.945309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.954655] Call Trace: [ 343.957241] dump_stack+0x113/0x167 [ 343.960866] should_fail.cold.4+0x5/0x13 [ 343.964932] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 343.970031] ? lock_downgrade+0x7f0/0x7f0 [ 343.974179] ? ___might_sleep+0x16b/0x270 [ 343.978329] __should_failslab+0xba/0xf0 [ 343.982388] should_failslab+0x9/0x14 [ 343.986190] kmem_cache_alloc_node+0x270/0x730 [ 343.990772] ? find_held_lock+0x36/0x1d0 [ 343.994845] __alloc_skb+0xa7/0x570 [ 343.998477] ? skb_scrub_packet+0x3a0/0x3a0 [ 344.002817] _sctp_make_chunk+0x3f/0x260 [ 344.007074] sctp_make_datafrag_empty+0x159/0x260 [ 344.011918] ? sctp_make_ecne+0xf0/0xf0 [ 344.015899] ? process_measurement+0x805/0x14b0 [ 344.020667] sctp_datamsg_from_user+0x4d7/0xf30 [ 344.025343] ? mark_held_locks+0x130/0x130 [ 344.029581] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 344.034193] ? find_held_lock+0x36/0x1d0 [ 344.038257] ? sctp_clear_owner_w+0xf0/0xf0 [ 344.042577] ? lock_sock_nested+0xc5/0x100 [ 344.046823] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.051231] FAULT_INJECTION: forcing a failure. [ 344.051231] name failslab, interval 1, probability 0, space 0, times 0 [ 344.051403] ? __local_bh_enable_ip+0x160/0x260 [ 344.067250] ? lock_sock_nested+0x82/0x100 [ 344.071490] ? trace_hardirqs_on+0x28/0x190 [ 344.072418] FAULT_INJECTION: forcing a failure. [ 344.072418] name failslab, interval 1, probability 0, space 0, times 0 [ 344.075819] ? lock_sock_nested+0x82/0x100 [ 344.075825] ? lock_sock_nested+0x82/0x100 [ 344.075834] ? __local_bh_enable_ip+0x160/0x260 [ 344.075846] sctp_sendmsg+0xb80/0x1710 [ 344.075857] ? sctp_id2assoc+0x250/0x250 [ 344.108298] ? ___might_sleep+0x16b/0x270 [ 344.112457] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.117394] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 344.122321] inet_sendmsg+0x108/0x440 [ 344.126113] ? security_socket_sendmsg+0x4a/0x90 [ 344.130862] ? ipip_gro_receive+0xf0/0xf0 [ 344.135010] sock_sendmsg+0xb5/0xf0 [ 344.138629] sock_write_iter+0x1e9/0x3d0 [ 344.142691] ? sock_sendmsg+0xf0/0xf0 [ 344.146500] __vfs_write+0x4a3/0x970 [ 344.150211] ? lock_downgrade+0x7f0/0x7f0 [ 344.154348] ? kernel_read+0x130/0x130 [ 344.158238] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.163166] ? apparmor_file_permission+0x15/0x20 [ 344.168006] ? rw_verify_area+0xb8/0x2b0 [ 344.172059] vfs_write+0x150/0x4e0 [ 344.175593] ksys_write+0xcd/0x1b0 [ 344.179131] ? __ia32_sys_read+0xa0/0xa0 [ 344.183355] ? do_syscall_64+0x21/0x4d0 [ 344.187327] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.192687] __x64_sys_write+0x6e/0xb0 [ 344.196566] do_syscall_64+0xd0/0x4d0 [ 344.200361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.205539] RIP: 0033:0x4592c9 [ 344.208721] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 344.227614] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 344.235310] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 344.242597] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 344.249857] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 344.257137] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 344.264397] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 344.272416] CPU: 0 PID: 11767 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 344.279621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.279625] Call Trace: [ 344.279638] dump_stack+0x113/0x167 [ 344.279650] should_fail.cold.4+0x5/0x13 [ 344.279657] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 344.279666] ? lock_downgrade+0x7f0/0x7f0 [ 344.308462] ? ___might_sleep+0x16b/0x270 [ 344.312603] __should_failslab+0xba/0xf0 [ 344.316658] should_failslab+0x9/0x14 [ 344.320450] kmem_cache_alloc_node+0x270/0x730 [ 344.325031] ? find_held_lock+0x36/0x1d0 [ 344.329091] __alloc_skb+0xa7/0x570 [ 344.332793] ? skb_scrub_packet+0x3a0/0x3a0 [ 344.337115] _sctp_make_chunk+0x3f/0x260 [ 344.337123] sctp_make_datafrag_empty+0x159/0x260 [ 344.337130] ? sctp_make_ecne+0xf0/0xf0 [ 344.337140] ? process_measurement+0x805/0x14b0 [ 344.337148] sctp_datamsg_from_user+0x4d7/0xf30 [ 344.337158] ? mark_held_locks+0x130/0x130 [ 344.337169] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 344.337177] ? find_held_lock+0x36/0x1d0 [ 344.337187] ? sctp_clear_owner_w+0xf0/0xf0 [ 344.337193] ? lock_sock_nested+0xc5/0x100 [ 344.337199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.337205] ? __local_bh_enable_ip+0x160/0x260 [ 344.337209] ? lock_sock_nested+0x82/0x100 [ 344.354744] ? trace_hardirqs_on+0x28/0x190 [ 344.398487] ? lock_sock_nested+0x82/0x100 [ 344.402721] ? lock_sock_nested+0x82/0x100 [ 344.406950] ? __local_bh_enable_ip+0x160/0x260 [ 344.411613] sctp_sendmsg+0xb80/0x1710 [ 344.415497] ? sctp_id2assoc+0x250/0x250 [ 344.419552] ? ___might_sleep+0x16b/0x270 [ 344.423692] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.428617] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 344.433540] inet_sendmsg+0x108/0x440 [ 344.437335] ? security_socket_sendmsg+0x4a/0x90 [ 344.442084] ? ipip_gro_receive+0xf0/0xf0 [ 344.446221] sock_sendmsg+0xb5/0xf0 [ 344.449838] sock_write_iter+0x1e9/0x3d0 [ 344.453892] ? sock_sendmsg+0xf0/0xf0 [ 344.457694] __vfs_write+0x4a3/0x970 [ 344.461400] ? lock_downgrade+0x7f0/0x7f0 [ 344.465543] ? kernel_read+0x130/0x130 [ 344.469424] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.474401] ? apparmor_file_permission+0x15/0x20 [ 344.479235] ? rw_verify_area+0xb8/0x2b0 [ 344.483290] vfs_write+0x150/0x4e0 [ 344.486832] ksys_write+0xcd/0x1b0 [ 344.490364] ? __ia32_sys_read+0xa0/0xa0 [ 344.494415] ? do_syscall_64+0x21/0x4d0 [ 344.498395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.503751] __x64_sys_write+0x6e/0xb0 [ 344.507629] do_syscall_64+0xd0/0x4d0 [ 344.511425] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.516601] RIP: 0033:0x4592c9 [ 344.519781] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 344.538939] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 344.546639] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 344.553902] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 344.561160] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 344.568422] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 344.575684] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 344.583224] CPU: 1 PID: 11759 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 344.590421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.600184] Call Trace: [ 344.602771] dump_stack+0x113/0x167 [ 344.606433] should_fail.cold.4+0x5/0x13 [ 344.610490] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 344.615584] ? lock_downgrade+0x7f0/0x7f0 [ 344.619825] ? ___might_sleep+0x16b/0x270 [ 344.623970] __should_failslab+0xba/0xf0 [ 344.628023] should_failslab+0x9/0x14 [ 344.631820] kmem_cache_alloc_node+0x270/0x730 [ 344.636395] ? find_held_lock+0x36/0x1d0 [ 344.640458] __alloc_skb+0xa7/0x570 [ 344.644076] ? skb_scrub_packet+0x3a0/0x3a0 [ 344.648397] _sctp_make_chunk+0x3f/0x260 [ 344.652451] sctp_make_datafrag_empty+0x159/0x260 [ 344.657381] ? sctp_make_ecne+0xf0/0xf0 [ 344.661703] ? process_measurement+0x805/0x14b0 [ 344.666371] sctp_datamsg_from_user+0x4d7/0xf30 [ 344.671037] ? mark_held_locks+0x130/0x130 [ 344.675275] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 344.679948] ? find_held_lock+0x36/0x1d0 [ 344.684014] ? sctp_clear_owner_w+0xf0/0xf0 [ 344.688332] ? lock_sock_nested+0xc5/0x100 [ 344.692563] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.697134] ? __local_bh_enable_ip+0x160/0x260 [ 344.701808] ? lock_sock_nested+0x82/0x100 [ 344.706034] ? trace_hardirqs_on+0x28/0x190 [ 344.710347] ? lock_sock_nested+0x82/0x100 [ 344.714573] ? lock_sock_nested+0x82/0x100 [ 344.718807] ? __local_bh_enable_ip+0x160/0x260 [ 344.723565] sctp_sendmsg+0xb80/0x1710 [ 344.727459] ? sctp_id2assoc+0x250/0x250 [ 344.731518] ? ___might_sleep+0x16b/0x270 [ 344.735661] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.740585] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 344.745507] inet_sendmsg+0x108/0x440 [ 344.749300] ? security_socket_sendmsg+0x4a/0x90 [ 344.754055] ? ipip_gro_receive+0xf0/0xf0 [ 344.758195] sock_sendmsg+0xb5/0xf0 [ 344.761823] sock_write_iter+0x1e9/0x3d0 [ 344.765906] ? sock_sendmsg+0xf0/0xf0 [ 344.769712] __vfs_write+0x4a3/0x970 [ 344.773423] ? lock_downgrade+0x7f0/0x7f0 [ 344.777562] ? kernel_read+0x130/0x130 [ 344.781439] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 344.786364] ? apparmor_file_permission+0x15/0x20 [ 344.791200] ? rw_verify_area+0xb8/0x2b0 [ 344.795252] vfs_write+0x150/0x4e0 [ 344.798786] ksys_write+0xcd/0x1b0 [ 344.802515] ? __ia32_sys_read+0xa0/0xa0 [ 344.806569] ? do_syscall_64+0x21/0x4d0 [ 344.810539] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.815904] __x64_sys_write+0x6e/0xb0 [ 344.819872] do_syscall_64+0xd0/0x4d0 [ 344.823669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.828851] RIP: 0033:0x4592c9 [ 344.832031] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 344.850930] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 344.858640] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 344.867371] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 344.874900] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 344.891458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 344.898721] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 344.906001] CPU: 0 PID: 11771 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 344.913193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.922541] Call Trace: [ 344.925129] dump_stack+0x113/0x167 [ 344.928757] should_fail.cold.4+0x5/0x13 [ 344.932809] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 344.937903] ? lock_downgrade+0x7f0/0x7f0 [ 344.942044] ? ___might_sleep+0x16b/0x270 [ 344.946186] __should_failslab+0xba/0xf0 [ 344.950244] should_failslab+0x9/0x14 [ 344.954034] kmem_cache_alloc_node+0x270/0x730 [ 344.958616] ? find_held_lock+0x36/0x1d0 [ 344.962677] __alloc_skb+0xa7/0x570 [ 344.966321] ? skb_scrub_packet+0x3a0/0x3a0 [ 344.970650] _sctp_make_chunk+0x3f/0x260 [ 344.974708] sctp_make_datafrag_empty+0x159/0x260 [ 344.979553] ? sctp_make_ecne+0xf0/0xf0 [ 344.983526] ? process_measurement+0x805/0x14b0 [ 344.988276] sctp_datamsg_from_user+0x4d7/0xf30 [ 344.992947] ? mark_held_locks+0x130/0x130 [ 344.997181] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 345.001753] ? find_held_lock+0x36/0x1d0 [ 345.005809] ? sctp_clear_owner_w+0xf0/0xf0 [ 345.010215] ? lock_sock_nested+0xc5/0x100 [ 345.014441] ? lockdep_hardirqs_on+0x421/0x5c0 [ 345.019015] ? __local_bh_enable_ip+0x160/0x260 [ 345.023687] ? lock_sock_nested+0x82/0x100 [ 345.027909] ? trace_hardirqs_on+0x28/0x190 [ 345.032219] ? lock_sock_nested+0x82/0x100 [ 345.036443] ? lock_sock_nested+0x82/0x100 [ 345.040669] ? __local_bh_enable_ip+0x160/0x260 [ 345.045333] sctp_sendmsg+0xb80/0x1710 [ 345.049215] ? sctp_id2assoc+0x250/0x250 [ 345.053271] ? ___might_sleep+0x16b/0x270 [ 345.057449] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.062388] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 345.067326] inet_sendmsg+0x108/0x440 [ 345.071115] ? security_socket_sendmsg+0x4a/0x90 [ 345.075862] ? ipip_gro_receive+0xf0/0xf0 [ 345.080001] sock_sendmsg+0xb5/0xf0 [ 345.083618] sock_write_iter+0x1e9/0x3d0 [ 345.087669] ? sock_sendmsg+0xf0/0xf0 [ 345.091470] __vfs_write+0x4a3/0x970 [ 345.095171] ? lock_downgrade+0x7f0/0x7f0 [ 345.099309] ? kernel_read+0x130/0x130 [ 345.103192] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.108116] ? apparmor_file_permission+0x15/0x20 [ 345.108125] ? rw_verify_area+0xb8/0x2b0 [ 345.108133] vfs_write+0x150/0x4e0 [ 345.108141] ksys_write+0xcd/0x1b0 [ 345.108147] ? __ia32_sys_read+0xa0/0xa0 [ 345.108155] ? do_syscall_64+0x21/0x4d0 [ 345.108163] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.108172] __x64_sys_write+0x6e/0xb0 [ 345.108179] do_syscall_64+0xd0/0x4d0 [ 345.108187] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.108194] RIP: 0033:0x4592c9 [ 345.153579] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 345.172479] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 345.180183] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 345.187452] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 345.194712] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 345.201972] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 345.209233] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 345.216513] CPU: 1 PID: 11763 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 345.223709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.233057] Call Trace: [ 345.235648] dump_stack+0x113/0x167 [ 345.239279] should_fail.cold.4+0x5/0x13 [ 345.243338] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 345.248439] ? lock_downgrade+0x7f0/0x7f0 [ 345.251238] FAULT_INJECTION: forcing a failure. [ 345.251238] name failslab, interval 1, probability 0, space 0, times 0 [ 345.252584] ? ___might_sleep+0x16b/0x270 [ 345.267910] __should_failslab+0xba/0xf0 [ 345.271970] should_failslab+0x9/0x14 [ 345.275770] kmem_cache_alloc_node+0x270/0x730 [ 345.280356] ? find_held_lock+0x36/0x1d0 [ 345.284417] __alloc_skb+0xa7/0x570 [ 345.288041] ? skb_scrub_packet+0x3a0/0x3a0 [ 345.292361] _sctp_make_chunk+0x3f/0x260 [ 345.296415] sctp_make_datafrag_empty+0x159/0x260 [ 345.301251] ? sctp_make_ecne+0xf0/0xf0 [ 345.305221] ? process_measurement+0x805/0x14b0 [ 345.309880] sctp_datamsg_from_user+0x4d7/0xf30 [ 345.314560] ? mark_held_locks+0x130/0x130 [ 345.318801] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 345.323376] ? find_held_lock+0x36/0x1d0 [ 345.327435] ? sctp_clear_owner_w+0xf0/0xf0 [ 345.331745] ? lock_sock_nested+0xc5/0x100 [ 345.335971] ? lockdep_hardirqs_on+0x421/0x5c0 [ 345.340542] ? __local_bh_enable_ip+0x160/0x260 [ 345.345196] ? lock_sock_nested+0x82/0x100 [ 345.349423] ? trace_hardirqs_on+0x28/0x190 [ 345.353730] ? lock_sock_nested+0x82/0x100 [ 345.357953] ? lock_sock_nested+0x82/0x100 [ 345.362176] ? __local_bh_enable_ip+0x160/0x260 [ 345.366839] sctp_sendmsg+0xb80/0x1710 [ 345.370731] ? sctp_id2assoc+0x250/0x250 [ 345.374780] ? ___might_sleep+0x16b/0x270 [ 345.378924] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.383857] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 345.388776] inet_sendmsg+0x108/0x440 [ 345.392567] ? security_socket_sendmsg+0x4a/0x90 [ 345.397311] ? ipip_gro_receive+0xf0/0xf0 [ 345.401447] sock_sendmsg+0xb5/0xf0 [ 345.405065] sock_write_iter+0x1e9/0x3d0 [ 345.409122] ? sock_sendmsg+0xf0/0xf0 [ 345.412924] __vfs_write+0x4a3/0x970 [ 345.416629] ? lock_downgrade+0x7f0/0x7f0 [ 345.420763] ? kernel_read+0x130/0x130 [ 345.424643] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.429569] ? apparmor_file_permission+0x15/0x20 [ 345.434399] ? rw_verify_area+0xb8/0x2b0 [ 345.438454] vfs_write+0x150/0x4e0 [ 345.441984] ksys_write+0xcd/0x1b0 [ 345.445513] ? __ia32_sys_read+0xa0/0xa0 [ 345.449593] ? do_syscall_64+0x21/0x4d0 [ 345.453562] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.458917] __x64_sys_write+0x6e/0xb0 [ 345.462797] do_syscall_64+0xd0/0x4d0 [ 345.466593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.471772] RIP: 0033:0x4592c9 [ 345.474960] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 345.493848] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 345.501541] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 345.508799] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 345.516060] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 345.523328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 345.530602] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 345.537881] CPU: 0 PID: 11776 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 345.545069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.545073] Call Trace: [ 345.557013] dump_stack+0x113/0x167 [ 345.560641] should_fail.cold.4+0x5/0x13 [ 345.564693] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 345.569791] ? lock_downgrade+0x7f0/0x7f0 [ 345.573934] ? ___might_sleep+0x16b/0x270 [ 345.573945] __should_failslab+0xba/0xf0 [ 345.573954] should_failslab+0x9/0x14 [ 345.573959] kmem_cache_alloc_node+0x270/0x730 [ 345.573965] ? find_held_lock+0x36/0x1d0 [ 345.573977] __alloc_skb+0xa7/0x570 [ 345.585944] ? skb_scrub_packet+0x3a0/0x3a0 [ 345.585960] _sctp_make_chunk+0x3f/0x260 [ 345.585969] sctp_make_datafrag_empty+0x159/0x260 [ 345.585978] ? sctp_make_ecne+0xf0/0xf0 [ 345.594693] ? process_measurement+0x805/0x14b0 [ 345.594704] sctp_datamsg_from_user+0x4d7/0xf30 [ 345.594715] ? mark_held_locks+0x130/0x130 [ 345.594727] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 345.624792] ? find_held_lock+0x36/0x1d0 [ 345.624805] ? sctp_clear_owner_w+0xf0/0xf0 [ 345.624814] ? lock_sock_nested+0xc5/0x100 [ 345.624819] ? lockdep_hardirqs_on+0x421/0x5c0 [ 345.624825] ? __local_bh_enable_ip+0x160/0x260 [ 345.624830] ? lock_sock_nested+0x82/0x100 [ 345.646271] ? trace_hardirqs_on+0x28/0x190 [ 345.646280] ? lock_sock_nested+0x82/0x100 [ 345.646288] ? __local_bh_enable_ip+0x160/0x260 [ 345.646306] sctp_sendmsg+0xb80/0x1710 [ 345.646317] ? sctp_id2assoc+0x250/0x250 [ 345.680881] ? ___might_sleep+0x16b/0x270 [ 345.685033] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.685048] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 345.685059] inet_sendmsg+0x108/0x440 [ 345.685066] ? security_socket_sendmsg+0x4a/0x90 [ 345.685071] ? ipip_gro_receive+0xf0/0xf0 [ 345.685079] sock_sendmsg+0xb5/0xf0 [ 345.711193] sock_write_iter+0x1e9/0x3d0 [ 345.715253] ? sock_sendmsg+0xf0/0xf0 [ 345.719163] __vfs_write+0x4a3/0x970 [ 345.722876] ? lock_downgrade+0x7f0/0x7f0 [ 345.727016] ? kernel_read+0x130/0x130 [ 345.727026] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.727038] ? apparmor_file_permission+0x15/0x20 [ 345.727046] ? rw_verify_area+0xb8/0x2b0 [ 345.727054] vfs_write+0x150/0x4e0 [ 345.727062] ksys_write+0xcd/0x1b0 [ 345.727069] ? __ia32_sys_read+0xa0/0xa0 [ 345.727078] ? do_syscall_64+0x21/0x4d0 [ 345.727086] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.727095] __x64_sys_write+0x6e/0xb0 [ 345.727101] do_syscall_64+0xd0/0x4d0 [ 345.727109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.727114] RIP: 0033:0x4592c9 [ 345.727121] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 345.727124] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 345.727131] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 345.727134] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 345.727138] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 345.727141] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 345.727144] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 345.789514] FAULT_INJECTION: forcing a failure. [ 345.789514] name failslab, interval 1, probability 0, space 0, times 0 [ 345.858927] FAULT_INJECTION: forcing a failure. [ 345.858927] name failslab, interval 1, probability 0, space 0, times 0 [ 345.871733] FAULT_INJECTION: forcing a failure. [ 345.871733] name failslab, interval 1, probability 0, space 0, times 0 [ 345.875872] CPU: 0 PID: 11791 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 345.890119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.899463] Call Trace: [ 345.902054] dump_stack+0x113/0x167 [ 345.905688] should_fail.cold.4+0x5/0x13 [ 345.905696] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 345.905703] ? lock_downgrade+0x7f0/0x7f0 [ 345.905712] ? ___might_sleep+0x16b/0x270 [ 345.905724] __should_failslab+0xba/0xf0 [ 345.905732] should_failslab+0x9/0x14 [ 345.905737] kmem_cache_alloc_node+0x270/0x730 [ 345.905743] ? find_held_lock+0x36/0x1d0 [ 345.905755] __alloc_skb+0xa7/0x570 [ 345.923188] ? skb_scrub_packet+0x3a0/0x3a0 [ 345.923205] _sctp_make_chunk+0x3f/0x260 [ 345.923213] sctp_make_datafrag_empty+0x159/0x260 [ 345.923220] ? sctp_make_ecne+0xf0/0xf0 [ 345.943285] ? process_measurement+0x805/0x14b0 [ 345.943304] sctp_datamsg_from_user+0x4d7/0xf30 [ 345.943315] ? mark_held_locks+0x130/0x130 [ 345.943328] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 345.943335] ? find_held_lock+0x36/0x1d0 [ 345.943345] ? sctp_clear_owner_w+0xf0/0xf0 [ 345.986922] ? lock_sock_nested+0xc5/0x100 [ 345.991169] ? lockdep_hardirqs_on+0x421/0x5c0 [ 345.993454] FAULT_INJECTION: forcing a failure. [ 345.993454] name failslab, interval 1, probability 0, space 0, times 0 [ 345.995752] ? __local_bh_enable_ip+0x160/0x260 [ 345.995758] ? lock_sock_nested+0x82/0x100 [ 345.995765] ? trace_hardirqs_on+0x28/0x190 [ 345.995769] ? lock_sock_nested+0x82/0x100 [ 345.995774] ? lock_sock_nested+0x82/0x100 [ 345.995781] ? __local_bh_enable_ip+0x160/0x260 [ 345.995793] sctp_sendmsg+0xb80/0x1710 [ 345.995805] ? sctp_id2assoc+0x250/0x250 [ 345.995812] ? ___might_sleep+0x16b/0x270 [ 345.995823] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 345.995836] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 346.037183] inet_sendmsg+0x108/0x440 [ 346.037193] ? security_socket_sendmsg+0x4a/0x90 [ 346.037199] ? ipip_gro_receive+0xf0/0xf0 [ 346.037207] sock_sendmsg+0xb5/0xf0 [ 346.037214] sock_write_iter+0x1e9/0x3d0 [ 346.037221] ? sock_sendmsg+0xf0/0xf0 [ 346.037239] __vfs_write+0x4a3/0x970 [ 346.037246] ? lock_downgrade+0x7f0/0x7f0 [ 346.037252] ? kernel_read+0x130/0x130 [ 346.037260] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.045457] ? apparmor_file_permission+0x15/0x20 [ 346.100797] ? rw_verify_area+0xb8/0x2b0 [ 346.104859] vfs_write+0x150/0x4e0 [ 346.108401] ksys_write+0xcd/0x1b0 [ 346.111939] ? __ia32_sys_read+0xa0/0xa0 [ 346.115998] ? do_syscall_64+0x21/0x4d0 [ 346.119966] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.125326] __x64_sys_write+0x6e/0xb0 [ 346.129214] do_syscall_64+0xd0/0x4d0 [ 346.133022] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.138212] RIP: 0033:0x4592c9 [ 346.141403] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 346.160480] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 346.168211] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 346.175495] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 346.182768] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 346.190039] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 346.197314] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 346.204601] CPU: 1 PID: 11790 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 346.211806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.221154] Call Trace: [ 346.223745] dump_stack+0x113/0x167 [ 346.227375] should_fail.cold.4+0x5/0x13 [ 346.231449] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 346.236549] ? lock_downgrade+0x7f0/0x7f0 [ 346.240690] ? ___might_sleep+0x16b/0x270 [ 346.244829] __should_failslab+0xba/0xf0 [ 346.248881] should_failslab+0x9/0x14 [ 346.252669] kmem_cache_alloc_node+0x270/0x730 [ 346.257240] ? find_held_lock+0x36/0x1d0 [ 346.261298] __alloc_skb+0xa7/0x570 [ 346.264914] ? skb_scrub_packet+0x3a0/0x3a0 [ 346.269235] _sctp_make_chunk+0x3f/0x260 [ 346.273287] sctp_make_datafrag_empty+0x159/0x260 [ 346.278123] ? sctp_make_ecne+0xf0/0xf0 [ 346.282087] ? process_measurement+0x805/0x14b0 [ 346.286747] sctp_datamsg_from_user+0x4d7/0xf30 [ 346.291412] ? mark_held_locks+0x130/0x130 [ 346.295645] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 346.300217] ? find_held_lock+0x36/0x1d0 [ 346.304298] ? sctp_clear_owner_w+0xf0/0xf0 [ 346.308608] ? lock_sock_nested+0xc5/0x100 [ 346.312834] ? lockdep_hardirqs_on+0x421/0x5c0 [ 346.317404] ? __local_bh_enable_ip+0x160/0x260 [ 346.322060] ? lock_sock_nested+0x82/0x100 [ 346.326284] ? trace_hardirqs_on+0x28/0x190 [ 346.330593] ? lock_sock_nested+0x82/0x100 [ 346.334815] ? lock_sock_nested+0x82/0x100 [ 346.339047] ? __local_bh_enable_ip+0x160/0x260 [ 346.343711] sctp_sendmsg+0xb80/0x1710 [ 346.347594] ? sctp_id2assoc+0x250/0x250 [ 346.351645] ? ___might_sleep+0x16b/0x270 [ 346.355789] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.360717] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 346.365638] inet_sendmsg+0x108/0x440 [ 346.369424] ? security_socket_sendmsg+0x4a/0x90 [ 346.374169] ? ipip_gro_receive+0xf0/0xf0 [ 346.378303] sock_sendmsg+0xb5/0xf0 [ 346.381918] sock_write_iter+0x1e9/0x3d0 [ 346.385966] ? sock_sendmsg+0xf0/0xf0 [ 346.389766] __vfs_write+0x4a3/0x970 [ 346.393472] ? lock_downgrade+0x7f0/0x7f0 [ 346.397605] ? kernel_read+0x130/0x130 [ 346.401482] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.406404] ? apparmor_file_permission+0x15/0x20 [ 346.411241] ? rw_verify_area+0xb8/0x2b0 [ 346.415311] vfs_write+0x150/0x4e0 [ 346.418840] ksys_write+0xcd/0x1b0 [ 346.422371] ? __ia32_sys_read+0xa0/0xa0 [ 346.426422] ? do_syscall_64+0x21/0x4d0 [ 346.430386] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.435744] __x64_sys_write+0x6e/0xb0 [ 346.439625] do_syscall_64+0xd0/0x4d0 [ 346.443426] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.448865] RIP: 0033:0x4592c9 [ 346.452047] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 346.470936] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 346.478638] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 346.485893] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 346.493152] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 346.500411] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 346.507694] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 346.514974] CPU: 0 PID: 11784 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 346.522237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.531594] Call Trace: [ 346.534179] dump_stack+0x113/0x167 [ 346.537813] should_fail.cold.4+0x5/0x13 [ 346.541876] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 346.546978] ? lock_downgrade+0x7f0/0x7f0 [ 346.551122] ? ___might_sleep+0x16b/0x270 [ 346.555275] __should_failslab+0xba/0xf0 [ 346.559358] should_failslab+0x9/0x14 [ 346.563169] kmem_cache_alloc_node+0x270/0x730 [ 346.567758] __alloc_skb+0xa7/0x570 [ 346.571407] ? skb_scrub_packet+0x3a0/0x3a0 [ 346.575733] _sctp_make_chunk+0x3f/0x260 [ 346.579794] sctp_make_datafrag_empty+0x159/0x260 [ 346.581330] FAULT_INJECTION: forcing a failure. [ 346.581330] name failslab, interval 1, probability 0, space 0, times 0 [ 346.584632] ? sctp_make_ecne+0xf0/0xf0 [ 346.584645] sctp_datamsg_from_user+0x4d7/0xf30 [ 346.584656] ? mark_held_locks+0x130/0x130 [ 346.584669] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 346.584673] ? __lock_is_held+0xb5/0x140 [ 346.584681] ? find_held_lock+0x36/0x1d0 [ 346.584691] ? sctp_clear_owner_w+0xf0/0xf0 [ 346.625730] ? lock_sock_nested+0xc5/0x100 [ 346.629959] ? lockdep_hardirqs_on+0x421/0x5c0 [ 346.634536] ? __local_bh_enable_ip+0x160/0x260 [ 346.639200] ? lock_sock_nested+0x82/0x100 [ 346.643425] ? trace_hardirqs_on+0x28/0x190 [ 346.647739] ? lock_sock_nested+0x82/0x100 [ 346.651968] ? lock_sock_nested+0x82/0x100 [ 346.656197] ? __local_bh_enable_ip+0x160/0x260 [ 346.660862] sctp_sendmsg+0xb80/0x1710 [ 346.664749] ? sctp_id2assoc+0x250/0x250 [ 346.668801] ? ___might_sleep+0x16b/0x270 [ 346.673030] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.678077] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 346.683003] inet_sendmsg+0x108/0x440 [ 346.686800] ? security_socket_sendmsg+0x4a/0x90 [ 346.691556] ? ipip_gro_receive+0xf0/0xf0 [ 346.695693] sock_sendmsg+0xb5/0xf0 [ 346.699320] sock_write_iter+0x1e9/0x3d0 [ 346.703382] ? sock_sendmsg+0xf0/0xf0 [ 346.707186] __vfs_write+0x4a3/0x970 [ 346.710895] ? lock_downgrade+0x7f0/0x7f0 [ 346.715038] ? kernel_read+0x130/0x130 [ 346.718925] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.723855] ? apparmor_file_permission+0x15/0x20 [ 346.728696] ? rw_verify_area+0xb8/0x2b0 [ 346.732757] vfs_write+0x150/0x4e0 [ 346.736297] ksys_write+0xcd/0x1b0 [ 346.739833] ? __ia32_sys_read+0xa0/0xa0 [ 346.743891] ? do_syscall_64+0x21/0x4d0 [ 346.747857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.753216] __x64_sys_write+0x6e/0xb0 [ 346.757097] do_syscall_64+0xd0/0x4d0 [ 346.760896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.766246] RIP: 0033:0x4592c9 [ 346.769432] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 346.788335] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 346.796037] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 346.803307] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 346.810569] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 346.817833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 346.825096] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 346.832373] CPU: 1 PID: 11806 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 346.839564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.848917] Call Trace: [ 346.851506] dump_stack+0x113/0x167 [ 346.855133] should_fail.cold.4+0x5/0x13 [ 346.859193] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 346.865820] ? lock_downgrade+0x7f0/0x7f0 [ 346.869962] ? ___might_sleep+0x16b/0x270 [ 346.874201] __should_failslab+0xba/0xf0 [ 346.880613] should_failslab+0x9/0x14 [ 346.886664] kmem_cache_alloc_trace+0x2d8/0x740 [ 346.891332] sctp_datamsg_from_user+0x7f/0xf30 [ 346.895900] ? kmem_cache_alloc_trace+0x353/0x740 [ 346.900736] ? sctp_sched_init_sid+0xf1/0x170 [ 346.905226] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 346.909798] ? __lock_is_held+0xb5/0x140 [ 346.913851] ? find_held_lock+0x36/0x1d0 [ 346.917908] ? sctp_clear_owner_w+0xf0/0xf0 [ 346.922220] ? lock_sock_nested+0xc5/0x100 [ 346.926440] ? lockdep_hardirqs_on+0x421/0x5c0 [ 346.931011] ? __local_bh_enable_ip+0x160/0x260 [ 346.935669] ? lock_sock_nested+0x82/0x100 [ 346.939888] ? trace_hardirqs_on+0x28/0x190 [ 346.944193] ? lock_sock_nested+0x82/0x100 [ 346.948415] ? lock_sock_nested+0x82/0x100 [ 346.952643] ? __local_bh_enable_ip+0x160/0x260 [ 346.957307] sctp_sendmsg+0xb80/0x1710 [ 346.961191] ? sctp_id2assoc+0x250/0x250 [ 346.965240] ? ___might_sleep+0x16b/0x270 [ 346.969385] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 346.974312] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 346.979236] inet_sendmsg+0x108/0x440 [ 346.983024] ? security_socket_sendmsg+0x4a/0x90 [ 346.987939] ? ipip_gro_receive+0xf0/0xf0 [ 346.992079] sock_sendmsg+0xb5/0xf0 [ 346.995700] sock_write_iter+0x1e9/0x3d0 [ 346.999753] ? sock_sendmsg+0xf0/0xf0 [ 347.003573] __vfs_write+0x4a3/0x970 [ 347.007285] ? lock_downgrade+0x7f0/0x7f0 [ 347.011422] ? kernel_read+0x130/0x130 [ 347.015300] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.020227] ? apparmor_file_permission+0x15/0x20 [ 347.025063] ? rw_verify_area+0xb8/0x2b0 [ 347.029140] vfs_write+0x150/0x4e0 [ 347.032674] ksys_write+0xcd/0x1b0 [ 347.036203] ? __ia32_sys_read+0xa0/0xa0 [ 347.040253] ? do_syscall_64+0x21/0x4d0 [ 347.044215] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.049589] __x64_sys_write+0x6e/0xb0 [ 347.053468] do_syscall_64+0xd0/0x4d0 [ 347.057264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.062439] RIP: 0033:0x4592c9 [ 347.065616] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 347.084520] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 347.092217] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 347.099565] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 347.106821] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 347.114080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 347.121335] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 347.128619] CPU: 0 PID: 11797 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 347.135816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.145161] Call Trace: [ 347.145176] dump_stack+0x113/0x167 [ 347.145187] should_fail.cold.4+0x5/0x13 [ 347.145194] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 347.145200] ? lock_downgrade+0x7f0/0x7f0 [ 347.145208] ? ___might_sleep+0x16b/0x270 [ 347.145218] __should_failslab+0xba/0xf0 [ 347.145225] should_failslab+0x9/0x14 [ 347.145230] kmem_cache_alloc_node+0x270/0x730 [ 347.145236] ? find_held_lock+0x36/0x1d0 [ 347.185314] __alloc_skb+0xa7/0x570 [ 347.185323] ? skb_scrub_packet+0x3a0/0x3a0 [ 347.185339] _sctp_make_chunk+0x3f/0x260 [ 347.185348] sctp_make_datafrag_empty+0x159/0x260 [ 347.185355] ? sctp_make_ecne+0xf0/0xf0 [ 347.185365] ? process_measurement+0x805/0x14b0 [ 347.185374] sctp_datamsg_from_user+0x4d7/0xf30 [ 347.193315] ? mark_held_locks+0x130/0x130 [ 347.193329] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 347.193337] ? find_held_lock+0x36/0x1d0 [ 347.193348] ? sctp_clear_owner_w+0xf0/0xf0 [ 347.193355] ? lock_sock_nested+0xc5/0x100 [ 347.193360] ? lockdep_hardirqs_on+0x421/0x5c0 [ 347.193366] ? __local_bh_enable_ip+0x160/0x260 [ 347.193370] ? lock_sock_nested+0x82/0x100 [ 347.202247] ? trace_hardirqs_on+0x28/0x190 [ 347.210852] ? lock_sock_nested+0x82/0x100 [ 347.210858] ? lock_sock_nested+0x82/0x100 [ 347.210865] ? __local_bh_enable_ip+0x160/0x260 [ 347.210876] sctp_sendmsg+0xb80/0x1710 [ 347.210887] ? sctp_id2assoc+0x250/0x250 [ 347.210894] ? ___might_sleep+0x16b/0x270 [ 347.210906] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.210920] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 347.210930] inet_sendmsg+0x108/0x440 [ 347.210937] ? security_socket_sendmsg+0x4a/0x90 [ 347.210944] ? ipip_gro_receive+0xf0/0xf0 [ 347.219821] sock_sendmsg+0xb5/0xf0 [ 347.219829] sock_write_iter+0x1e9/0x3d0 [ 347.219836] ? sock_sendmsg+0xf0/0xf0 [ 347.219853] __vfs_write+0x4a3/0x970 [ 347.219860] ? lock_downgrade+0x7f0/0x7f0 [ 347.219866] ? kernel_read+0x130/0x130 [ 347.219874] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.219886] ? apparmor_file_permission+0x15/0x20 [ 347.219895] ? rw_verify_area+0xb8/0x2b0 [ 347.219903] vfs_write+0x150/0x4e0 [ 347.219910] ksys_write+0xcd/0x1b0 [ 347.219917] ? __ia32_sys_read+0xa0/0xa0 [ 347.219925] ? do_syscall_64+0x21/0x4d0 [ 347.219934] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.219942] __x64_sys_write+0x6e/0xb0 [ 347.219949] do_syscall_64+0xd0/0x4d0 [ 347.219957] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.232898] RIP: 0033:0x4592c9 [ 347.232905] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 347.232908] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 347.232915] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 347.232923] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 347.232926] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 347.232930] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 347.232933] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 347.341072] FAULT_INJECTION: forcing a failure. [ 347.341072] name failslab, interval 1, probability 0, space 0, times 0 [ 347.399729] FAULT_INJECTION: forcing a failure. [ 347.399729] name failslab, interval 1, probability 0, space 0, times 0 [ 347.416811] FAULT_INJECTION: forcing a failure. [ 347.416811] name failslab, interval 1, probability 0, space 0, times 0 [ 347.448705] CPU: 1 PID: 11819 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 347.481585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.490931] Call Trace: [ 347.493517] dump_stack+0x113/0x167 [ 347.497140] should_fail.cold.4+0x5/0x13 [ 347.501287] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 347.506387] ? lock_downgrade+0x7f0/0x7f0 [ 347.510526] ? ___might_sleep+0x16b/0x270 [ 347.514670] __should_failslab+0xba/0xf0 [ 347.518726] should_failslab+0x9/0x14 [ 347.522524] kmem_cache_alloc_node+0x270/0x730 [ 347.527097] ? find_held_lock+0x36/0x1d0 [ 347.531154] __alloc_skb+0xa7/0x570 [ 347.534771] ? skb_scrub_packet+0x3a0/0x3a0 [ 347.539110] _sctp_make_chunk+0x3f/0x260 [ 347.543165] sctp_make_datafrag_empty+0x159/0x260 [ 347.548001] ? sctp_make_ecne+0xf0/0xf0 [ 347.551971] ? process_measurement+0x805/0x14b0 [ 347.556636] sctp_datamsg_from_user+0x4d7/0xf30 [ 347.561305] ? mark_held_locks+0x130/0x130 [ 347.565536] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 347.570109] ? find_held_lock+0x36/0x1d0 [ 347.574168] ? sctp_clear_owner_w+0xf0/0xf0 [ 347.578481] ? lock_sock_nested+0xc5/0x100 [ 347.582711] ? lockdep_hardirqs_on+0x421/0x5c0 [ 347.587283] ? __local_bh_enable_ip+0x160/0x260 [ 347.591941] ? lock_sock_nested+0x82/0x100 [ 347.596251] ? trace_hardirqs_on+0x28/0x190 [ 347.600560] ? lock_sock_nested+0x82/0x100 [ 347.604786] ? lock_sock_nested+0x82/0x100 [ 347.609041] ? __local_bh_enable_ip+0x160/0x260 [ 347.613721] sctp_sendmsg+0xb80/0x1710 [ 347.617611] ? sctp_id2assoc+0x250/0x250 [ 347.621756] ? ___might_sleep+0x16b/0x270 [ 347.625902] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.630832] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 347.635757] inet_sendmsg+0x108/0x440 [ 347.639555] ? security_socket_sendmsg+0x4a/0x90 [ 347.644297] ? ipip_gro_receive+0xf0/0xf0 [ 347.648436] sock_sendmsg+0xb5/0xf0 [ 347.652062] sock_write_iter+0x1e9/0x3d0 [ 347.656117] ? sock_sendmsg+0xf0/0xf0 [ 347.659918] __vfs_write+0x4a3/0x970 [ 347.663709] ? lock_downgrade+0x7f0/0x7f0 [ 347.667849] ? kernel_read+0x130/0x130 [ 347.671902] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.676829] ? apparmor_file_permission+0x15/0x20 [ 347.681732] ? rw_verify_area+0xb8/0x2b0 [ 347.685782] vfs_write+0x150/0x4e0 [ 347.689355] ksys_write+0xcd/0x1b0 [ 347.692887] ? __ia32_sys_read+0xa0/0xa0 [ 347.696943] ? do_syscall_64+0x21/0x4d0 [ 347.700912] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.706276] __x64_sys_write+0x6e/0xb0 [ 347.710155] do_syscall_64+0xd0/0x4d0 [ 347.713954] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.719131] RIP: 0033:0x4592c9 [ 347.722314] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 347.742125] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 347.749861] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 347.757130] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 347.764387] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 347.771651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 347.778915] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 347.786196] CPU: 0 PID: 11817 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 347.787168] FAULT_INJECTION: forcing a failure. [ 347.787168] name failslab, interval 1, probability 0, space 0, times 0 [ 347.793416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.793420] Call Trace: [ 347.793435] dump_stack+0x113/0x167 [ 347.793445] should_fail.cold.4+0x5/0x13 [ 347.793452] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 347.793461] ? lock_downgrade+0x7f0/0x7f0 [ 347.820179] ? ___might_sleep+0x16b/0x270 [ 347.820195] __should_failslab+0xba/0xf0 [ 347.820203] should_failslab+0x9/0x14 [ 347.820209] kmem_cache_alloc_node+0x270/0x730 [ 347.829380] ? find_held_lock+0x36/0x1d0 [ 347.829392] __alloc_skb+0xa7/0x570 [ 347.829398] ? skb_scrub_packet+0x3a0/0x3a0 [ 347.829412] _sctp_make_chunk+0x3f/0x260 [ 347.829419] sctp_make_datafrag_empty+0x159/0x260 [ 347.829426] ? sctp_make_ecne+0xf0/0xf0 [ 347.829435] ? process_measurement+0x805/0x14b0 [ 347.829443] sctp_datamsg_from_user+0x4d7/0xf30 [ 347.829451] ? mark_held_locks+0x130/0x130 [ 347.829462] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 347.829469] ? find_held_lock+0x36/0x1d0 [ 347.829479] ? sctp_clear_owner_w+0xf0/0xf0 [ 347.829485] ? lock_sock_nested+0xc5/0x100 [ 347.829490] ? lockdep_hardirqs_on+0x421/0x5c0 [ 347.829496] ? __local_bh_enable_ip+0x160/0x260 [ 347.829500] ? lock_sock_nested+0x82/0x100 [ 347.829505] ? trace_hardirqs_on+0x28/0x190 [ 347.879790] ? lock_sock_nested+0x82/0x100 [ 347.888701] ? lock_sock_nested+0x82/0x100 [ 347.888710] ? __local_bh_enable_ip+0x160/0x260 [ 347.888721] sctp_sendmsg+0xb80/0x1710 [ 347.888732] ? sctp_id2assoc+0x250/0x250 [ 347.888740] ? ___might_sleep+0x16b/0x270 [ 347.888756] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.888772] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 347.888782] inet_sendmsg+0x108/0x440 [ 347.888789] ? security_socket_sendmsg+0x4a/0x90 [ 347.967175] ? ipip_gro_receive+0xf0/0xf0 [ 347.971401] sock_sendmsg+0xb5/0xf0 [ 347.975019] sock_write_iter+0x1e9/0x3d0 [ 347.979076] ? sock_sendmsg+0xf0/0xf0 [ 347.982889] __vfs_write+0x4a3/0x970 [ 347.986601] ? lock_downgrade+0x7f0/0x7f0 [ 347.990769] ? kernel_read+0x130/0x130 [ 347.994651] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 347.999582] ? apparmor_file_permission+0x15/0x20 [ 348.004418] ? rw_verify_area+0xb8/0x2b0 [ 348.008477] vfs_write+0x150/0x4e0 [ 348.012010] ksys_write+0xcd/0x1b0 [ 348.015545] ? __ia32_sys_read+0xa0/0xa0 [ 348.019606] ? do_syscall_64+0x21/0x4d0 [ 348.023574] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.028933] __x64_sys_write+0x6e/0xb0 [ 348.032815] do_syscall_64+0xd0/0x4d0 [ 348.036615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.041793] RIP: 0033:0x4592c9 [ 348.044979] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 348.063908] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 348.071613] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 348.078874] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 348.086140] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 348.093403] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 348.100671] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 348.109722] CPU: 1 PID: 11816 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 348.116921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.126273] Call Trace: [ 348.128867] dump_stack+0x113/0x167 [ 348.132539] should_fail.cold.4+0x5/0x13 [ 348.136599] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 348.141699] ? lock_downgrade+0x7f0/0x7f0 [ 348.145846] ? ___might_sleep+0x16b/0x270 [ 348.149995] __should_failslab+0xba/0xf0 [ 348.154056] should_failslab+0x9/0x14 [ 348.157852] kmem_cache_alloc_node+0x270/0x730 [ 348.162464] ? find_held_lock+0x36/0x1d0 [ 348.166532] __alloc_skb+0xa7/0x570 [ 348.170190] ? skb_scrub_packet+0x3a0/0x3a0 [ 348.174521] _sctp_make_chunk+0x3f/0x260 [ 348.176883] FAULT_INJECTION: forcing a failure. [ 348.176883] name failslab, interval 1, probability 0, space 0, times 0 [ 348.178591] sctp_make_datafrag_empty+0x159/0x260 [ 348.178599] ? sctp_make_ecne+0xf0/0xf0 [ 348.178609] ? process_measurement+0x805/0x14b0 [ 348.178618] sctp_datamsg_from_user+0x4d7/0xf30 [ 348.207972] ? mark_held_locks+0x130/0x130 [ 348.212206] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 348.216778] ? find_held_lock+0x36/0x1d0 [ 348.220838] ? sctp_clear_owner_w+0xf0/0xf0 [ 348.225151] ? lock_sock_nested+0xc5/0x100 [ 348.229372] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.233944] ? __local_bh_enable_ip+0x160/0x260 [ 348.238607] ? lock_sock_nested+0x82/0x100 [ 348.242828] ? trace_hardirqs_on+0x28/0x190 [ 348.247141] ? lock_sock_nested+0x82/0x100 [ 348.251362] ? lock_sock_nested+0x82/0x100 [ 348.255592] ? __local_bh_enable_ip+0x160/0x260 [ 348.260340] sctp_sendmsg+0xb80/0x1710 [ 348.264220] ? sctp_id2assoc+0x250/0x250 [ 348.268272] ? ___might_sleep+0x16b/0x270 [ 348.272416] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.277340] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 348.282267] inet_sendmsg+0x108/0x440 [ 348.286055] ? security_socket_sendmsg+0x4a/0x90 [ 348.290804] ? ipip_gro_receive+0xf0/0xf0 [ 348.294944] sock_sendmsg+0xb5/0xf0 [ 348.298560] sock_write_iter+0x1e9/0x3d0 [ 348.302612] ? sock_sendmsg+0xf0/0xf0 [ 348.306759] __vfs_write+0x4a3/0x970 [ 348.310466] ? lock_downgrade+0x7f0/0x7f0 [ 348.314603] ? kernel_read+0x130/0x130 [ 348.318506] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.323431] ? apparmor_file_permission+0x15/0x20 [ 348.328275] ? rw_verify_area+0xb8/0x2b0 [ 348.332325] vfs_write+0x150/0x4e0 [ 348.335854] ksys_write+0xcd/0x1b0 [ 348.339383] ? __ia32_sys_read+0xa0/0xa0 [ 348.343432] ? do_syscall_64+0x21/0x4d0 [ 348.347396] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.353109] __x64_sys_write+0x6e/0xb0 [ 348.356989] do_syscall_64+0xd0/0x4d0 [ 348.360784] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.365967] RIP: 0033:0x4592c9 [ 348.369163] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 348.388057] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 348.395757] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 348.403014] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 348.410273] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 348.417531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 348.424801] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 348.432095] CPU: 0 PID: 11835 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 348.439286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.439290] Call Trace: [ 348.451218] dump_stack+0x113/0x167 [ 348.454850] should_fail.cold.4+0x5/0x13 [ 348.458913] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 348.464011] ? lock_downgrade+0x7f0/0x7f0 [ 348.468158] ? ___might_sleep+0x16b/0x270 [ 348.472312] __should_failslab+0xba/0xf0 [ 348.476363] should_failslab+0x9/0x14 [ 348.476369] kmem_cache_alloc_node+0x270/0x730 [ 348.476376] ? find_held_lock+0x36/0x1d0 [ 348.476388] __alloc_skb+0xa7/0x570 [ 348.492452] ? skb_scrub_packet+0x3a0/0x3a0 [ 348.496775] _sctp_make_chunk+0x3f/0x260 [ 348.500834] sctp_make_datafrag_empty+0x159/0x260 [ 348.505671] ? sctp_make_ecne+0xf0/0xf0 [ 348.509640] ? process_measurement+0x805/0x14b0 [ 348.514309] sctp_datamsg_from_user+0x4d7/0xf30 [ 348.518976] ? mark_held_locks+0x130/0x130 [ 348.521251] FAULT_INJECTION: forcing a failure. [ 348.521251] name failslab, interval 1, probability 0, space 0, times 0 [ 348.523205] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 348.523214] ? find_held_lock+0x36/0x1d0 [ 348.523224] ? sctp_clear_owner_w+0xf0/0xf0 [ 348.523232] ? lock_sock_nested+0xc5/0x100 [ 348.523237] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.538981] ? __local_bh_enable_ip+0x160/0x260 [ 348.538988] ? lock_sock_nested+0x82/0x100 [ 348.538995] ? trace_hardirqs_on+0x28/0x190 [ 348.538999] ? lock_sock_nested+0x82/0x100 [ 348.539004] ? lock_sock_nested+0x82/0x100 [ 348.539010] ? __local_bh_enable_ip+0x160/0x260 [ 348.539031] sctp_sendmsg+0xb80/0x1710 [ 348.539043] ? sctp_id2assoc+0x250/0x250 [ 348.539050] ? ___might_sleep+0x16b/0x270 [ 348.539062] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.539076] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 348.539085] inet_sendmsg+0x108/0x440 [ 348.539092] ? security_socket_sendmsg+0x4a/0x90 [ 348.539097] ? ipip_gro_receive+0xf0/0xf0 [ 348.551668] sock_sendmsg+0xb5/0xf0 [ 348.551676] sock_write_iter+0x1e9/0x3d0 [ 348.551684] ? sock_sendmsg+0xf0/0xf0 [ 348.551702] __vfs_write+0x4a3/0x970 [ 348.632187] ? lock_downgrade+0x7f0/0x7f0 [ 348.636333] ? kernel_read+0x130/0x130 [ 348.640214] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.645233] ? apparmor_file_permission+0x15/0x20 [ 348.650075] ? rw_verify_area+0xb8/0x2b0 [ 348.654156] vfs_write+0x150/0x4e0 [ 348.657887] ksys_write+0xcd/0x1b0 [ 348.661448] ? __ia32_sys_read+0xa0/0xa0 [ 348.665506] ? do_syscall_64+0x21/0x4d0 [ 348.669480] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.674849] __x64_sys_write+0x6e/0xb0 [ 348.678735] do_syscall_64+0xd0/0x4d0 [ 348.682564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.687753] RIP: 0033:0x4592c9 2019/06/15 21:33:44 executed programs: 1206 [ 348.690937] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 348.709849] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 348.709857] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 348.709860] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 348.709863] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 348.709866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 348.709868] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 348.712316] CPU: 0 PID: 11833 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 348.762309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.771659] Call Trace: [ 348.774244] dump_stack+0x113/0x167 [ 348.777867] should_fail.cold.4+0x5/0x13 [ 348.781940] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 348.787037] ? lock_downgrade+0x7f0/0x7f0 [ 348.791189] ? ___might_sleep+0x16b/0x270 [ 348.795339] __should_failslab+0xba/0xf0 [ 348.799400] should_failslab+0x9/0x14 [ 348.804068] kmem_cache_alloc_trace+0x2d8/0x740 [ 348.809780] sctp_datamsg_from_user+0x7f/0xf30 [ 348.814628] ? kmem_cache_alloc_trace+0x353/0x740 [ 348.819471] ? sctp_sched_init_sid+0xf1/0x170 [ 348.823975] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 348.828646] ? find_held_lock+0x36/0x1d0 [ 348.832706] ? sctp_clear_owner_w+0xf0/0xf0 [ 348.837024] ? lock_sock_nested+0xc5/0x100 [ 348.841252] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.845833] ? __local_bh_enable_ip+0x160/0x260 [ 348.850519] ? lock_sock_nested+0x82/0x100 [ 348.854850] ? trace_hardirqs_on+0x28/0x190 [ 348.859177] ? lock_sock_nested+0x82/0x100 [ 348.864333] ? lock_sock_nested+0x82/0x100 [ 348.868573] ? __local_bh_enable_ip+0x160/0x260 [ 348.873245] sctp_sendmsg+0xb80/0x1710 [ 348.874954] FAULT_INJECTION: forcing a failure. [ 348.874954] name failslab, interval 1, probability 0, space 0, times 0 [ 348.877135] ? sctp_id2assoc+0x250/0x250 [ 348.877144] ? ___might_sleep+0x16b/0x270 [ 348.877156] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.877170] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 348.877180] inet_sendmsg+0x108/0x440 [ 348.877187] ? security_socket_sendmsg+0x4a/0x90 [ 348.877192] ? ipip_gro_receive+0xf0/0xf0 [ 348.877199] sock_sendmsg+0xb5/0xf0 [ 348.877207] sock_write_iter+0x1e9/0x3d0 [ 348.877213] ? sock_sendmsg+0xf0/0xf0 [ 348.877230] __vfs_write+0x4a3/0x970 [ 348.877237] ? lock_downgrade+0x7f0/0x7f0 [ 348.877243] ? kernel_read+0x130/0x130 [ 348.877250] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 348.947171] ? apparmor_file_permission+0x15/0x20 [ 348.952009] ? rw_verify_area+0xb8/0x2b0 [ 348.956060] vfs_write+0x150/0x4e0 [ 348.959595] ksys_write+0xcd/0x1b0 [ 348.963123] ? __ia32_sys_read+0xa0/0xa0 [ 348.967181] ? do_syscall_64+0x21/0x4d0 [ 348.971145] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.976501] __x64_sys_write+0x6e/0xb0 [ 348.980384] do_syscall_64+0xd0/0x4d0 [ 348.984179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.989365] RIP: 0033:0x4592c9 [ 348.992547] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 349.011447] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 349.019150] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 349.026407] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 349.033665] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 349.040939] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 349.048206] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 349.055482] CPU: 1 PID: 11822 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 349.062676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.072025] Call Trace: [ 349.074610] dump_stack+0x113/0x167 [ 349.078242] should_fail.cold.4+0x5/0x13 [ 349.082298] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 349.087391] ? lock_downgrade+0x7f0/0x7f0 [ 349.087400] ? ___might_sleep+0x16b/0x270 [ 349.087410] __should_failslab+0xba/0xf0 [ 349.087419] should_failslab+0x9/0x14 [ 349.099770] kmem_cache_alloc_node+0x270/0x730 [ 349.108116] ? find_held_lock+0x36/0x1d0 [ 349.108129] __alloc_skb+0xa7/0x570 [ 349.108136] ? skb_scrub_packet+0x3a0/0x3a0 [ 349.108151] _sctp_make_chunk+0x3f/0x260 [ 349.120119] sctp_make_datafrag_empty+0x159/0x260 [ 349.120127] ? sctp_make_ecne+0xf0/0xf0 [ 349.120136] ? process_measurement+0x805/0x14b0 [ 349.120145] sctp_datamsg_from_user+0x4d7/0xf30 [ 349.129016] ? mark_held_locks+0x130/0x130 [ 349.129027] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 349.129036] ? find_held_lock+0x36/0x1d0 [ 349.155130] ? sctp_clear_owner_w+0xf0/0xf0 [ 349.159530] ? lock_sock_nested+0xc5/0x100 [ 349.163853] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.168423] ? __local_bh_enable_ip+0x160/0x260 [ 349.173079] ? lock_sock_nested+0x82/0x100 [ 349.177301] ? trace_hardirqs_on+0x28/0x190 [ 349.181611] ? lock_sock_nested+0x82/0x100 [ 349.185831] ? __local_bh_enable_ip+0x160/0x260 [ 349.190497] sctp_sendmsg+0xb80/0x1710 [ 349.194382] ? sctp_id2assoc+0x250/0x250 [ 349.198438] ? ___might_sleep+0x16b/0x270 [ 349.202576] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.207500] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 349.212426] inet_sendmsg+0x108/0x440 [ 349.216215] ? security_socket_sendmsg+0x4a/0x90 [ 349.221760] ? ipip_gro_receive+0xf0/0xf0 [ 349.225920] sock_sendmsg+0xb5/0xf0 [ 349.229541] sock_write_iter+0x1e9/0x3d0 [ 349.233596] ? sock_sendmsg+0xf0/0xf0 [ 349.237395] __vfs_write+0x4a3/0x970 [ 349.241097] ? lock_downgrade+0x7f0/0x7f0 [ 349.245229] ? kernel_read+0x130/0x130 [ 349.249109] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.254030] ? apparmor_file_permission+0x15/0x20 [ 349.258870] ? rw_verify_area+0xb8/0x2b0 [ 349.262929] vfs_write+0x150/0x4e0 [ 349.266458] ksys_write+0xcd/0x1b0 [ 349.269986] ? __ia32_sys_read+0xa0/0xa0 [ 349.274044] ? do_syscall_64+0x21/0x4d0 [ 349.278013] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.283369] __x64_sys_write+0x6e/0xb0 [ 349.287260] do_syscall_64+0xd0/0x4d0 [ 349.291051] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.296231] RIP: 0033:0x4592c9 [ 349.299415] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 349.318332] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 349.326032] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 349.333288] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 349.340545] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 349.347805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 349.355061] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 349.362340] CPU: 0 PID: 11847 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 349.369533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.378966] Call Trace: [ 349.381551] dump_stack+0x113/0x167 [ 349.385178] should_fail.cold.4+0x5/0x13 [ 349.389234] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 349.394344] ? lock_downgrade+0x7f0/0x7f0 [ 349.398499] ? ___might_sleep+0x16b/0x270 [ 349.402644] __should_failslab+0xba/0xf0 [ 349.406706] should_failslab+0x9/0x14 [ 349.410503] kmem_cache_alloc_node+0x270/0x730 [ 349.415093] __alloc_skb+0xa7/0x570 [ 349.418724] ? skb_scrub_packet+0x3a0/0x3a0 [ 349.423053] _sctp_make_chunk+0x3f/0x260 [ 349.427118] sctp_make_datafrag_empty+0x159/0x260 [ 349.431957] ? sctp_make_ecne+0xf0/0xf0 [ 349.435923] sctp_datamsg_from_user+0x4d7/0xf30 [ 349.440589] ? mark_held_locks+0x130/0x130 [ 349.444825] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 349.449399] ? __lock_is_held+0xb5/0x140 [ 349.453463] ? find_held_lock+0x36/0x1d0 [ 349.457527] ? sctp_clear_owner_w+0xf0/0xf0 [ 349.461844] ? lock_sock_nested+0xc5/0x100 [ 349.466076] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.470736] ? __local_bh_enable_ip+0x160/0x260 [ 349.470744] ? lock_sock_nested+0x82/0x100 [ 349.470750] ? trace_hardirqs_on+0x28/0x190 [ 349.470754] ? lock_sock_nested+0x82/0x100 [ 349.470759] ? lock_sock_nested+0x82/0x100 [ 349.470766] ? __local_bh_enable_ip+0x160/0x260 [ 349.470777] sctp_sendmsg+0xb80/0x1710 [ 349.470789] ? sctp_id2assoc+0x250/0x250 [ 349.470796] ? ___might_sleep+0x16b/0x270 [ 349.470807] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.470819] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 349.488227] inet_sendmsg+0x108/0x440 [ 349.522873] ? security_socket_sendmsg+0x4a/0x90 [ 349.527625] ? ipip_gro_receive+0xf0/0xf0 [ 349.531770] sock_sendmsg+0xb5/0xf0 [ 349.535506] sock_write_iter+0x1e9/0x3d0 [ 349.539575] ? sock_sendmsg+0xf0/0xf0 [ 349.543377] __vfs_write+0x4a3/0x970 [ 349.547092] ? lock_downgrade+0x7f0/0x7f0 [ 349.551238] ? kernel_read+0x130/0x130 [ 349.552929] FAULT_INJECTION: forcing a failure. [ 349.552929] name failslab, interval 1, probability 0, space 0, times 0 [ 349.555133] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.555146] ? apparmor_file_permission+0x15/0x20 [ 349.555155] ? rw_verify_area+0xb8/0x2b0 [ 349.555164] vfs_write+0x150/0x4e0 [ 349.555173] ksys_write+0xcd/0x1b0 [ 349.555180] ? __ia32_sys_read+0xa0/0xa0 [ 349.555188] ? do_syscall_64+0x21/0x4d0 [ 349.555197] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.581959] FAULT_INJECTION: forcing a failure. [ 349.581959] name failslab, interval 1, probability 0, space 0, times 0 [ 349.584148] __x64_sys_write+0x6e/0xb0 [ 349.584159] do_syscall_64+0xd0/0x4d0 [ 349.584170] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.584176] RIP: 0033:0x4592c9 [ 349.584183] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 349.584186] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 349.584192] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 349.584196] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 349.669411] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 349.676672] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 349.683941] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 349.691221] CPU: 1 PID: 11863 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 349.698453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.707816] Call Trace: [ 349.710402] dump_stack+0x113/0x167 [ 349.714034] should_fail.cold.4+0x5/0x13 [ 349.718094] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 349.723200] ? lock_downgrade+0x7f0/0x7f0 [ 349.727343] ? ___might_sleep+0x16b/0x270 [ 349.732836] __should_failslab+0xba/0xf0 [ 349.736892] should_failslab+0x9/0x14 [ 349.740699] kmem_cache_alloc_node+0x270/0x730 [ 349.745302] __alloc_skb+0xa7/0x570 [ 349.748935] ? skb_scrub_packet+0x3a0/0x3a0 [ 349.753260] _sctp_make_chunk+0x3f/0x260 [ 349.757319] sctp_make_datafrag_empty+0x159/0x260 [ 349.762157] ? sctp_make_ecne+0xf0/0xf0 [ 349.766151] sctp_datamsg_from_user+0x4d7/0xf30 [ 349.770825] ? mark_held_locks+0x130/0x130 [ 349.775055] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 349.779712] ? __lock_is_held+0xb5/0x140 [ 349.783765] ? find_held_lock+0x36/0x1d0 [ 349.787825] ? sctp_clear_owner_w+0xf0/0xf0 [ 349.792149] ? lock_sock_nested+0xc5/0x100 [ 349.796376] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.800951] ? __local_bh_enable_ip+0x160/0x260 [ 349.805618] ? lock_sock_nested+0x82/0x100 [ 349.809930] ? trace_hardirqs_on+0x28/0x190 [ 349.814240] ? lock_sock_nested+0x82/0x100 [ 349.818464] ? lock_sock_nested+0x82/0x100 [ 349.822690] ? __local_bh_enable_ip+0x160/0x260 [ 349.827362] sctp_sendmsg+0xb80/0x1710 [ 349.831248] ? sctp_id2assoc+0x250/0x250 [ 349.835300] ? ___might_sleep+0x16b/0x270 [ 349.839445] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.844373] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 349.849296] inet_sendmsg+0x108/0x440 [ 349.853087] ? security_socket_sendmsg+0x4a/0x90 [ 349.857836] ? ipip_gro_receive+0xf0/0xf0 [ 349.862462] sock_sendmsg+0xb5/0xf0 [ 349.866082] sock_write_iter+0x1e9/0x3d0 [ 349.870134] ? sock_sendmsg+0xf0/0xf0 [ 349.873940] __vfs_write+0x4a3/0x970 [ 349.877644] ? lock_downgrade+0x7f0/0x7f0 [ 349.881783] ? kernel_read+0x130/0x130 [ 349.885665] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 349.890589] ? apparmor_file_permission+0x15/0x20 [ 349.895424] ? rw_verify_area+0xb8/0x2b0 [ 349.899476] vfs_write+0x150/0x4e0 [ 349.903007] ksys_write+0xcd/0x1b0 [ 349.906538] ? __ia32_sys_read+0xa0/0xa0 [ 349.910587] ? do_syscall_64+0x21/0x4d0 [ 349.914570] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.919935] __x64_sys_write+0x6e/0xb0 [ 349.923820] do_syscall_64+0xd0/0x4d0 [ 349.927617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.932800] RIP: 0033:0x4592c9 [ 349.935981] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 349.954880] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 349.962576] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 349.969832] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 349.977090] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 349.984346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 349.991701] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 349.998977] CPU: 0 PID: 11862 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 350.006178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.015524] Call Trace: [ 350.018105] dump_stack+0x113/0x167 [ 350.018117] should_fail.cold.4+0x5/0x13 [ 350.018125] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 350.018131] ? lock_downgrade+0x7f0/0x7f0 [ 350.018140] ? ___might_sleep+0x16b/0x270 [ 350.018151] __should_failslab+0xba/0xf0 [ 350.043237] should_failslab+0x9/0x14 [ 350.047038] kmem_cache_alloc_node+0x270/0x730 [ 350.051715] __alloc_skb+0xa7/0x570 [ 350.055341] ? skb_scrub_packet+0x3a0/0x3a0 [ 350.059683] _sctp_make_chunk+0x3f/0x260 [ 350.063749] sctp_make_datafrag_empty+0x159/0x260 [ 350.068628] ? sctp_make_ecne+0xf0/0xf0 [ 350.072606] sctp_datamsg_from_user+0x4d7/0xf30 [ 350.077275] ? mark_held_locks+0x130/0x130 [ 350.081515] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 350.081521] ? __lock_is_held+0xb5/0x140 [ 350.081529] ? find_held_lock+0x36/0x1d0 [ 350.081540] ? sctp_clear_owner_w+0xf0/0xf0 [ 350.081547] ? lock_sock_nested+0xc5/0x100 [ 350.081553] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.081559] ? __local_bh_enable_ip+0x160/0x260 [ 350.081563] ? lock_sock_nested+0x82/0x100 [ 350.081570] ? trace_hardirqs_on+0x28/0x190 [ 350.081574] ? lock_sock_nested+0x82/0x100 [ 350.081579] ? lock_sock_nested+0x82/0x100 [ 350.081585] ? __local_bh_enable_ip+0x160/0x260 [ 350.081594] sctp_sendmsg+0xb80/0x1710 [ 350.090217] ? sctp_id2assoc+0x250/0x250 [ 350.090225] ? ___might_sleep+0x16b/0x270 [ 350.090236] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.090250] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 350.090260] inet_sendmsg+0x108/0x440 [ 350.090266] ? security_socket_sendmsg+0x4a/0x90 [ 350.090272] ? ipip_gro_receive+0xf0/0xf0 [ 350.090280] sock_sendmsg+0xb5/0xf0 [ 350.090287] sock_write_iter+0x1e9/0x3d0 [ 350.090303] ? sock_sendmsg+0xf0/0xf0 [ 350.090321] __vfs_write+0x4a3/0x970 [ 350.090326] ? lock_downgrade+0x7f0/0x7f0 [ 350.090331] ? kernel_read+0x130/0x130 [ 350.090339] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.090349] ? apparmor_file_permission+0x15/0x20 [ 350.090358] ? rw_verify_area+0xb8/0x2b0 [ 350.090366] vfs_write+0x150/0x4e0 [ 350.090374] ksys_write+0xcd/0x1b0 [ 350.090381] ? __ia32_sys_read+0xa0/0xa0 [ 350.090389] ? do_syscall_64+0x21/0x4d0 [ 350.090396] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.090404] __x64_sys_write+0x6e/0xb0 [ 350.090411] do_syscall_64+0xd0/0x4d0 [ 350.184511] FAULT_INJECTION: forcing a failure. [ 350.184511] name failslab, interval 1, probability 0, space 0, times 0 [ 350.187787] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.187794] RIP: 0033:0x4592c9 [ 350.187800] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 350.187803] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 350.187810] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 350.187814] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 350.187817] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 350.187821] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 350.187824] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 350.262668] CPU: 1 PID: 11876 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 350.316969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.316973] Call Trace: [ 350.316986] dump_stack+0x113/0x167 [ 350.316999] should_fail.cold.4+0x5/0x13 [ 350.317008] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 350.317015] ? lock_downgrade+0x7f0/0x7f0 [ 350.317023] ? ___might_sleep+0x16b/0x270 [ 350.317033] __should_failslab+0xba/0xf0 [ 350.317041] should_failslab+0x9/0x14 [ 350.317045] kmem_cache_alloc_node+0x270/0x730 [ 350.317051] ? find_held_lock+0x36/0x1d0 [ 350.317063] __alloc_skb+0xa7/0x570 [ 350.333584] ? skb_scrub_packet+0x3a0/0x3a0 [ 350.333601] _sctp_make_chunk+0x3f/0x260 [ 350.333610] sctp_make_datafrag_empty+0x159/0x260 [ 350.333617] ? sctp_make_ecne+0xf0/0xf0 [ 350.333627] ? process_measurement+0x805/0x14b0 [ 350.333636] sctp_datamsg_from_user+0x4d7/0xf30 [ 350.338762] FAULT_INJECTION: forcing a failure. [ 350.338762] name failslab, interval 1, probability 0, space 0, times 0 [ 350.339833] ? mark_held_locks+0x130/0x130 [ 350.339846] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 350.339855] ? find_held_lock+0x36/0x1d0 [ 350.339866] ? sctp_clear_owner_w+0xf0/0xf0 [ 350.339872] ? lock_sock_nested+0xc5/0x100 [ 350.339877] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.339883] ? __local_bh_enable_ip+0x160/0x260 [ 350.349021] ? lock_sock_nested+0x82/0x100 [ 350.349027] ? trace_hardirqs_on+0x28/0x190 [ 350.349032] ? lock_sock_nested+0x82/0x100 [ 350.349036] ? lock_sock_nested+0x82/0x100 [ 350.349043] ? __local_bh_enable_ip+0x160/0x260 [ 350.349053] sctp_sendmsg+0xb80/0x1710 [ 350.349065] ? sctp_id2assoc+0x250/0x250 [ 350.349072] ? ___might_sleep+0x16b/0x270 [ 350.349084] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.357357] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 350.357367] inet_sendmsg+0x108/0x440 [ 350.357374] ? security_socket_sendmsg+0x4a/0x90 [ 350.357380] ? ipip_gro_receive+0xf0/0xf0 [ 350.357388] sock_sendmsg+0xb5/0xf0 [ 350.357395] sock_write_iter+0x1e9/0x3d0 [ 350.357402] ? sock_sendmsg+0xf0/0xf0 [ 350.357419] __vfs_write+0x4a3/0x970 [ 350.357425] ? lock_downgrade+0x7f0/0x7f0 [ 350.365259] ? kernel_read+0x130/0x130 [ 350.365268] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.365279] ? apparmor_file_permission+0x15/0x20 [ 350.365288] ? rw_verify_area+0xb8/0x2b0 [ 350.365295] vfs_write+0x150/0x4e0 [ 350.365303] ksys_write+0xcd/0x1b0 [ 350.365310] ? __ia32_sys_read+0xa0/0xa0 [ 350.381931] ? do_syscall_64+0x21/0x4d0 [ 350.381941] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.381952] __x64_sys_write+0x6e/0xb0 [ 350.381959] do_syscall_64+0xd0/0x4d0 [ 350.381967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.381973] RIP: 0033:0x4592c9 [ 350.381979] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 350.381984] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 350.394817] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 350.415371] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 350.415375] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 350.415379] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 350.415381] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 350.492059] FAULT_INJECTION: forcing a failure. [ 350.492059] name failslab, interval 1, probability 0, space 0, times 0 [ 350.505674] CPU: 0 PID: 11882 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 350.517053] FAULT_INJECTION: forcing a failure. [ 350.517053] name failslab, interval 1, probability 0, space 0, times 0 [ 350.518112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.678005] Call Trace: [ 350.680592] dump_stack+0x113/0x167 [ 350.684216] should_fail.cold.4+0x5/0x13 [ 350.688278] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 350.693474] ? lock_downgrade+0x7f0/0x7f0 [ 350.697621] ? ___might_sleep+0x16b/0x270 [ 350.701928] __should_failslab+0xba/0xf0 [ 350.705984] should_failslab+0x9/0x14 [ 350.709782] kmem_cache_alloc_node+0x270/0x730 [ 350.714365] ? find_held_lock+0x36/0x1d0 [ 350.718434] __alloc_skb+0xa7/0x570 [ 350.722062] ? skb_scrub_packet+0x3a0/0x3a0 [ 350.726390] _sctp_make_chunk+0x3f/0x260 [ 350.730967] sctp_make_datafrag_empty+0x159/0x260 [ 350.735809] ? sctp_make_ecne+0xf0/0xf0 [ 350.739781] ? process_measurement+0x805/0x14b0 [ 350.748602] sctp_datamsg_from_user+0x4d7/0xf30 [ 350.755550] ? mark_held_locks+0x130/0x130 [ 350.759791] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 350.764371] ? find_held_lock+0x36/0x1d0 [ 350.768430] ? sctp_clear_owner_w+0xf0/0xf0 [ 350.772746] ? lock_sock_nested+0xc5/0x100 [ 350.776973] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.781548] ? __local_bh_enable_ip+0x160/0x260 [ 350.786207] ? lock_sock_nested+0x82/0x100 [ 350.789718] FAULT_INJECTION: forcing a failure. [ 350.789718] name failslab, interval 1, probability 0, space 0, times 0 [ 350.790438] ? trace_hardirqs_on+0x28/0x190 [ 350.790444] ? lock_sock_nested+0x82/0x100 [ 350.790448] ? lock_sock_nested+0x82/0x100 [ 350.790455] ? __local_bh_enable_ip+0x160/0x260 [ 350.790465] sctp_sendmsg+0xb80/0x1710 [ 350.823128] ? sctp_id2assoc+0x250/0x250 [ 350.827187] ? ___might_sleep+0x16b/0x270 [ 350.831332] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.836270] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 350.841199] inet_sendmsg+0x108/0x440 [ 350.845001] ? security_socket_sendmsg+0x4a/0x90 [ 350.849752] ? ipip_gro_receive+0xf0/0xf0 [ 350.853904] sock_sendmsg+0xb5/0xf0 [ 350.857538] sock_write_iter+0x1e9/0x3d0 [ 350.862434] ? sock_sendmsg+0xf0/0xf0 [ 350.866243] __vfs_write+0x4a3/0x970 [ 350.869948] ? lock_downgrade+0x7f0/0x7f0 [ 350.874094] ? kernel_read+0x130/0x130 [ 350.877987] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 350.882925] ? apparmor_file_permission+0x15/0x20 [ 350.887769] ? rw_verify_area+0xb8/0x2b0 [ 350.891835] vfs_write+0x150/0x4e0 [ 350.895381] ksys_write+0xcd/0x1b0 [ 350.898914] ? __ia32_sys_read+0xa0/0xa0 [ 350.902969] ? do_syscall_64+0x21/0x4d0 [ 350.906942] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.912331] __x64_sys_write+0x6e/0xb0 [ 350.916234] do_syscall_64+0xd0/0x4d0 [ 350.920034] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.925212] RIP: 0033:0x4592c9 [ 350.928393] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 350.947291] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 350.954997] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 350.962341] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 350.969600] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 350.976857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 350.984114] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 350.991389] CPU: 1 PID: 11888 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 350.998581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.007926] Call Trace: [ 351.010511] dump_stack+0x113/0x167 [ 351.014143] should_fail.cold.4+0x5/0x13 [ 351.018992] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 351.024199] ? lock_downgrade+0x7f0/0x7f0 [ 351.028344] ? ___might_sleep+0x16b/0x270 [ 351.032497] __should_failslab+0xba/0xf0 [ 351.036557] should_failslab+0x9/0x14 [ 351.040351] kmem_cache_alloc_node+0x270/0x730 [ 351.044957] ? find_held_lock+0x36/0x1d0 [ 351.049012] __alloc_skb+0xa7/0x570 [ 351.052634] ? skb_scrub_packet+0x3a0/0x3a0 [ 351.056959] _sctp_make_chunk+0x3f/0x260 [ 351.061014] sctp_make_datafrag_empty+0x159/0x260 [ 351.065847] ? sctp_make_ecne+0xf0/0xf0 [ 351.069818] ? process_measurement+0x805/0x14b0 [ 351.074486] sctp_datamsg_from_user+0x4d7/0xf30 [ 351.079150] ? mark_held_locks+0x130/0x130 [ 351.083378] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 351.087954] ? find_held_lock+0x36/0x1d0 [ 351.092009] ? sctp_clear_owner_w+0xf0/0xf0 [ 351.096317] ? lock_sock_nested+0xc5/0x100 [ 351.100540] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.105112] ? __local_bh_enable_ip+0x160/0x260 [ 351.109770] ? lock_sock_nested+0x82/0x100 [ 351.114002] ? trace_hardirqs_on+0x28/0x190 [ 351.118312] ? lock_sock_nested+0x82/0x100 [ 351.122536] ? lock_sock_nested+0x82/0x100 [ 351.126760] ? __local_bh_enable_ip+0x160/0x260 [ 351.131431] sctp_sendmsg+0xb80/0x1710 [ 351.135318] ? sctp_id2assoc+0x250/0x250 [ 351.139372] ? ___might_sleep+0x16b/0x270 [ 351.143521] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.148449] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 351.153374] inet_sendmsg+0x108/0x440 [ 351.157175] ? security_socket_sendmsg+0x4a/0x90 [ 351.161928] ? ipip_gro_receive+0xf0/0xf0 [ 351.166070] sock_sendmsg+0xb5/0xf0 [ 351.169776] sock_write_iter+0x1e9/0x3d0 [ 351.173834] ? sock_sendmsg+0xf0/0xf0 [ 351.177642] __vfs_write+0x4a3/0x970 [ 351.181348] ? lock_downgrade+0x7f0/0x7f0 [ 351.185485] ? kernel_read+0x130/0x130 [ 351.189454] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.194385] ? apparmor_file_permission+0x15/0x20 [ 351.199222] ? rw_verify_area+0xb8/0x2b0 [ 351.203276] vfs_write+0x150/0x4e0 [ 351.206813] ksys_write+0xcd/0x1b0 [ 351.210340] ? __ia32_sys_read+0xa0/0xa0 [ 351.214390] ? do_syscall_64+0x21/0x4d0 [ 351.218357] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.223736] __x64_sys_write+0x6e/0xb0 [ 351.227619] do_syscall_64+0xd0/0x4d0 [ 351.231417] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.236592] RIP: 0033:0x4592c9 [ 351.239773] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 351.258675] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 351.266377] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 351.273634] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 351.280891] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 351.288149] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 351.295414] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 351.302691] CPU: 0 PID: 11887 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 351.309884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.319222] Call Trace: [ 351.319235] dump_stack+0x113/0x167 [ 351.319247] should_fail.cold.4+0x5/0x13 [ 351.319254] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 351.319261] ? lock_downgrade+0x7f0/0x7f0 [ 351.319269] ? ___might_sleep+0x16b/0x270 [ 351.319279] __should_failslab+0xba/0xf0 [ 351.346911] should_failslab+0x9/0x14 [ 351.350708] kmem_cache_alloc_node+0x270/0x730 [ 351.350716] ? find_held_lock+0x36/0x1d0 [ 351.350728] __alloc_skb+0xa7/0x570 [ 351.350736] ? skb_scrub_packet+0x3a0/0x3a0 [ 351.350750] _sctp_make_chunk+0x3f/0x260 [ 351.367279] sctp_make_datafrag_empty+0x159/0x260 [ 351.367287] ? sctp_make_ecne+0xf0/0xf0 [ 351.367304] ? process_measurement+0x805/0x14b0 [ 351.367314] sctp_datamsg_from_user+0x4d7/0xf30 [ 351.367324] ? mark_held_locks+0x130/0x130 [ 351.367334] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 351.367342] ? find_held_lock+0x36/0x1d0 [ 351.367352] ? sctp_clear_owner_w+0xf0/0xf0 [ 351.367360] ? lock_sock_nested+0xc5/0x100 [ 351.410833] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.415407] ? __local_bh_enable_ip+0x160/0x260 [ 351.420072] ? lock_sock_nested+0x82/0x100 [ 351.424349] ? trace_hardirqs_on+0x28/0x190 [ 351.428663] ? lock_sock_nested+0x82/0x100 [ 351.432888] ? lock_sock_nested+0x82/0x100 [ 351.437113] ? __local_bh_enable_ip+0x160/0x260 [ 351.441775] sctp_sendmsg+0xb80/0x1710 [ 351.445655] ? sctp_id2assoc+0x250/0x250 [ 351.449709] ? ___might_sleep+0x16b/0x270 [ 351.453850] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.458779] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 351.463707] inet_sendmsg+0x108/0x440 [ 351.467500] ? security_socket_sendmsg+0x4a/0x90 [ 351.472258] ? ipip_gro_receive+0xf0/0xf0 [ 351.476400] sock_sendmsg+0xb5/0xf0 [ 351.480020] sock_write_iter+0x1e9/0x3d0 [ 351.484075] ? sock_sendmsg+0xf0/0xf0 [ 351.487876] __vfs_write+0x4a3/0x970 [ 351.491580] ? lock_downgrade+0x7f0/0x7f0 [ 351.495715] ? kernel_read+0x130/0x130 [ 351.499595] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.504520] ? apparmor_file_permission+0x15/0x20 [ 351.509357] ? rw_verify_area+0xb8/0x2b0 [ 351.513409] vfs_write+0x150/0x4e0 [ 351.516941] ksys_write+0xcd/0x1b0 [ 351.520469] ? __ia32_sys_read+0xa0/0xa0 [ 351.524524] ? do_syscall_64+0x21/0x4d0 [ 351.528489] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.533847] __x64_sys_write+0x6e/0xb0 [ 351.537724] do_syscall_64+0xd0/0x4d0 [ 351.541516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.546695] RIP: 0033:0x4592c9 [ 351.549882] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 351.568786] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 351.576492] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 351.583758] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 351.591021] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 351.598287] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 351.605566] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 351.612845] CPU: 1 PID: 11889 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 351.620044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.629405] Call Trace: [ 351.632002] dump_stack+0x113/0x167 [ 351.635633] should_fail.cold.4+0x5/0x13 [ 351.639703] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 351.644812] ? lock_downgrade+0x7f0/0x7f0 [ 351.648964] ? ___might_sleep+0x16b/0x270 [ 351.653198] __should_failslab+0xba/0xf0 [ 351.657255] should_failslab+0x9/0x14 [ 351.661054] kmem_cache_alloc_node+0x270/0x730 [ 351.666280] ? find_held_lock+0x36/0x1d0 [ 351.670349] __alloc_skb+0xa7/0x570 [ 351.672534] FAULT_INJECTION: forcing a failure. [ 351.672534] name failslab, interval 1, probability 0, space 0, times 0 [ 351.673969] ? skb_scrub_packet+0x3a0/0x3a0 [ 351.673984] _sctp_make_chunk+0x3f/0x260 [ 351.673993] sctp_make_datafrag_empty+0x159/0x260 [ 351.674000] ? sctp_make_ecne+0xf0/0xf0 [ 351.702301] ? process_measurement+0x805/0x14b0 [ 351.706972] sctp_datamsg_from_user+0x4d7/0xf30 [ 351.711632] ? mark_held_locks+0x130/0x130 [ 351.715949] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 351.720526] ? find_held_lock+0x36/0x1d0 [ 351.724589] ? sctp_clear_owner_w+0xf0/0xf0 [ 351.729727] ? lock_sock_nested+0xc5/0x100 [ 351.733953] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.738524] ? __local_bh_enable_ip+0x160/0x260 [ 351.743179] ? lock_sock_nested+0x82/0x100 [ 351.747400] ? trace_hardirqs_on+0x28/0x190 [ 351.751707] ? lock_sock_nested+0x82/0x100 [ 351.756050] ? lock_sock_nested+0x82/0x100 [ 351.760280] ? __local_bh_enable_ip+0x160/0x260 [ 351.764942] sctp_sendmsg+0xb80/0x1710 [ 351.768829] ? sctp_id2assoc+0x250/0x250 [ 351.772879] ? ___might_sleep+0x16b/0x270 [ 351.777023] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.781974] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 351.786903] inet_sendmsg+0x108/0x440 [ 351.790699] ? security_socket_sendmsg+0x4a/0x90 [ 351.795440] ? ipip_gro_receive+0xf0/0xf0 [ 351.799581] sock_sendmsg+0xb5/0xf0 [ 351.803223] sock_write_iter+0x1e9/0x3d0 [ 351.807282] ? sock_sendmsg+0xf0/0xf0 [ 351.811080] __vfs_write+0x4a3/0x970 [ 351.814871] ? lock_downgrade+0x7f0/0x7f0 [ 351.819012] ? kernel_read+0x130/0x130 [ 351.822902] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.827827] ? apparmor_file_permission+0x15/0x20 [ 351.832659] ? rw_verify_area+0xb8/0x2b0 [ 351.836714] vfs_write+0x150/0x4e0 [ 351.840244] ksys_write+0xcd/0x1b0 [ 351.843777] ? __ia32_sys_read+0xa0/0xa0 [ 351.847837] ? do_syscall_64+0x21/0x4d0 [ 351.851809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.857165] __x64_sys_write+0x6e/0xb0 [ 351.861528] do_syscall_64+0xd0/0x4d0 [ 351.865326] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.870502] RIP: 0033:0x4592c9 [ 351.873691] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 351.892586] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 351.900287] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 351.907556] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 351.914819] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 351.922077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 351.929343] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 351.936620] CPU: 0 PID: 11903 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 351.943816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.953161] Call Trace: [ 351.953175] dump_stack+0x113/0x167 [ 351.953186] should_fail.cold.4+0x5/0x13 [ 351.953194] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 351.953200] ? lock_downgrade+0x7f0/0x7f0 [ 351.953209] ? ___might_sleep+0x16b/0x270 [ 351.976794] __should_failslab+0xba/0xf0 [ 351.980855] should_failslab+0x9/0x14 [ 351.984650] kmem_cache_alloc_node+0x270/0x730 [ 351.989226] ? find_held_lock+0x36/0x1d0 [ 351.989240] __alloc_skb+0xa7/0x570 [ 351.989247] ? skb_scrub_packet+0x3a0/0x3a0 [ 351.989263] _sctp_make_chunk+0x3f/0x260 [ 351.989271] sctp_make_datafrag_empty+0x159/0x260 [ 351.989278] ? sctp_make_ecne+0xf0/0xf0 [ 351.989288] ? process_measurement+0x805/0x14b0 [ 351.989302] sctp_datamsg_from_user+0x4d7/0xf30 [ 351.996972] ? mark_held_locks+0x130/0x130 [ 351.996985] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 351.996993] ? find_held_lock+0x36/0x1d0 [ 351.997005] ? sctp_clear_owner_w+0xf0/0xf0 [ 351.997012] ? lock_sock_nested+0xc5/0x100 [ 351.997017] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.997023] ? __local_bh_enable_ip+0x160/0x260 [ 351.997027] ? lock_sock_nested+0x82/0x100 [ 351.997033] ? trace_hardirqs_on+0x28/0x190 [ 351.997037] ? lock_sock_nested+0x82/0x100 [ 351.997041] ? lock_sock_nested+0x82/0x100 [ 351.997047] ? __local_bh_enable_ip+0x160/0x260 [ 351.997055] sctp_sendmsg+0xb80/0x1710 [ 351.997066] ? sctp_id2assoc+0x250/0x250 [ 351.997074] ? ___might_sleep+0x16b/0x270 [ 351.997085] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 351.997098] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 351.997107] inet_sendmsg+0x108/0x440 [ 351.997113] ? security_socket_sendmsg+0x4a/0x90 [ 351.997119] ? ipip_gro_receive+0xf0/0xf0 [ 351.997126] sock_sendmsg+0xb5/0xf0 [ 351.997133] sock_write_iter+0x1e9/0x3d0 [ 352.010322] ? sock_sendmsg+0xf0/0xf0 [ 352.010340] __vfs_write+0x4a3/0x970 [ 352.010347] ? lock_downgrade+0x7f0/0x7f0 [ 352.010353] ? kernel_read+0x130/0x130 [ 352.010362] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 352.010374] ? apparmor_file_permission+0x15/0x20 [ 352.010381] ? rw_verify_area+0xb8/0x2b0 [ 352.010389] vfs_write+0x150/0x4e0 [ 352.010396] ksys_write+0xcd/0x1b0 [ 352.010403] ? __ia32_sys_read+0xa0/0xa0 [ 352.010410] ? do_syscall_64+0x21/0x4d0 [ 352.010419] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.010427] __x64_sys_write+0x6e/0xb0 [ 352.019053] do_syscall_64+0xd0/0x4d0 [ 352.019063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.019068] RIP: 0033:0x4592c9 [ 352.019076] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 352.019079] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 352.019086] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 352.019089] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 352.019093] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 352.019096] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 352.019099] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 352.103489] FAULT_INJECTION: forcing a failure. [ 352.103489] name failslab, interval 1, probability 0, space 0, times 0 [ 352.155693] FAULT_INJECTION: forcing a failure. [ 352.155693] name failslab, interval 1, probability 0, space 0, times 0 [ 352.185103] FAULT_INJECTION: forcing a failure. [ 352.185103] name failslab, interval 1, probability 0, space 0, times 0 [ 352.215747] CPU: 1 PID: 11913 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 352.289904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.299258] Call Trace: [ 352.301844] dump_stack+0x113/0x167 [ 352.305465] should_fail.cold.4+0x5/0x13 [ 352.309520] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 352.314614] ? lock_downgrade+0x7f0/0x7f0 [ 352.318755] ? ___might_sleep+0x16b/0x270 [ 352.322900] __should_failslab+0xba/0xf0 [ 352.326959] should_failslab+0x9/0x14 [ 352.330752] kmem_cache_alloc_node+0x270/0x730 [ 352.335328] ? find_held_lock+0x36/0x1d0 [ 352.339392] __alloc_skb+0xa7/0x570 [ 352.343013] ? skb_scrub_packet+0x3a0/0x3a0 [ 352.347333] _sctp_make_chunk+0x3f/0x260 [ 352.351387] sctp_make_datafrag_empty+0x159/0x260 [ 352.356219] ? sctp_make_ecne+0xf0/0xf0 [ 352.360189] ? process_measurement+0x805/0x14b0 [ 352.364857] sctp_datamsg_from_user+0x4d7/0xf30 [ 352.369524] ? mark_held_locks+0x130/0x130 [ 352.373755] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 352.378337] ? find_held_lock+0x36/0x1d0 [ 352.382394] ? sctp_clear_owner_w+0xf0/0xf0 [ 352.386705] ? lock_sock_nested+0xc5/0x100 [ 352.390930] ? lockdep_hardirqs_on+0x421/0x5c0 [ 352.395504] ? __local_bh_enable_ip+0x160/0x260 [ 352.400163] ? lock_sock_nested+0x82/0x100 [ 352.404388] ? trace_hardirqs_on+0x28/0x190 [ 352.408696] ? lock_sock_nested+0x82/0x100 [ 352.412916] ? lock_sock_nested+0x82/0x100 [ 352.417140] ? __local_bh_enable_ip+0x160/0x260 [ 352.421840] sctp_sendmsg+0xb80/0x1710 [ 352.425728] ? sctp_id2assoc+0x250/0x250 [ 352.429781] ? ___might_sleep+0x16b/0x270 [ 352.433925] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 352.438852] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 352.443775] inet_sendmsg+0x108/0x440 [ 352.447572] ? security_socket_sendmsg+0x4a/0x90 [ 352.452323] ? ipip_gro_receive+0xf0/0xf0 [ 352.456464] sock_sendmsg+0xb5/0xf0 [ 352.460083] sock_write_iter+0x1e9/0x3d0 [ 352.464137] ? sock_sendmsg+0xf0/0xf0 [ 352.467935] __vfs_write+0x4a3/0x970 [ 352.471642] ? lock_downgrade+0x7f0/0x7f0 [ 352.475779] ? kernel_read+0x130/0x130 [ 352.479666] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 352.484589] ? apparmor_file_permission+0x15/0x20 [ 352.489421] ? rw_verify_area+0xb8/0x2b0 [ 352.493473] vfs_write+0x150/0x4e0 [ 352.497002] ksys_write+0xcd/0x1b0 [ 352.500533] ? __ia32_sys_read+0xa0/0xa0 [ 352.504585] ? do_syscall_64+0x21/0x4d0 [ 352.508552] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.513905] __x64_sys_write+0x6e/0xb0 [ 352.517783] do_syscall_64+0xd0/0x4d0 [ 352.521585] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.526763] RIP: 0033:0x4592c9 [ 352.529948] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 352.548840] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 352.556536] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 352.563798] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 352.571057] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 352.578315] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 352.585578] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 352.592852] CPU: 0 PID: 11920 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 352.600047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.609393] Call Trace: [ 352.609408] dump_stack+0x113/0x167 [ 352.609420] should_fail.cold.4+0x5/0x13 [ 352.609429] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 352.609436] ? lock_downgrade+0x7f0/0x7f0 [ 352.609444] ? ___might_sleep+0x16b/0x270 [ 352.609455] __should_failslab+0xba/0xf0 [ 352.609462] should_failslab+0x9/0x14 [ 352.609467] kmem_cache_alloc_node+0x270/0x730 [ 352.609481] __alloc_skb+0xa7/0x570 [ 352.619713] ? skb_scrub_packet+0x3a0/0x3a0 [ 352.619729] _sctp_make_chunk+0x3f/0x260 [ 352.619739] sctp_make_datafrag_empty+0x159/0x260 [ 352.619746] ? sctp_make_ecne+0xf0/0xf0 [ 352.619759] sctp_datamsg_from_user+0x4d7/0xf30 [ 352.619769] ? mark_held_locks+0x130/0x130 [ 352.643585] FAULT_INJECTION: forcing a failure. [ 352.643585] name failslab, interval 1, probability 0, space 0, times 0 [ 352.645530] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 352.645537] ? __lock_is_held+0xb5/0x140 [ 352.645544] ? find_held_lock+0x36/0x1d0 [ 352.645553] ? sctp_clear_owner_w+0xf0/0xf0 [ 352.703311] ? lock_sock_nested+0xc5/0x100 [ 352.707541] ? lockdep_hardirqs_on+0x421/0x5c0 [ 352.712119] ? __local_bh_enable_ip+0x160/0x260 [ 352.716778] ? lock_sock_nested+0x82/0x100 [ 352.721011] ? trace_hardirqs_on+0x28/0x190 [ 352.725327] ? lock_sock_nested+0x82/0x100 [ 352.729557] ? lock_sock_nested+0x82/0x100 [ 352.733870] ? __local_bh_enable_ip+0x160/0x260 [ 352.738549] sctp_sendmsg+0xb80/0x1710 [ 352.742454] ? sctp_id2assoc+0x250/0x250 [ 352.746517] ? ___might_sleep+0x16b/0x270 [ 352.750669] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 352.755601] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 352.760532] inet_sendmsg+0x108/0x440 [ 352.764417] ? security_socket_sendmsg+0x4a/0x90 [ 352.769259] ? ipip_gro_receive+0xf0/0xf0 [ 352.773409] sock_sendmsg+0xb5/0xf0 [ 352.777031] sock_write_iter+0x1e9/0x3d0 [ 352.781096] ? sock_sendmsg+0xf0/0xf0 [ 352.784903] __vfs_write+0x4a3/0x970 [ 352.788609] ? lock_downgrade+0x7f0/0x7f0 [ 352.792745] ? kernel_read+0x130/0x130 [ 352.796632] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 352.801562] ? apparmor_file_permission+0x15/0x20 [ 352.806404] ? rw_verify_area+0xb8/0x2b0 [ 352.810460] vfs_write+0x150/0x4e0 [ 352.813995] ksys_write+0xcd/0x1b0 [ 352.817523] ? __ia32_sys_read+0xa0/0xa0 [ 352.821584] ? do_syscall_64+0x21/0x4d0 [ 352.825551] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.830919] __x64_sys_write+0x6e/0xb0 [ 352.834807] do_syscall_64+0xd0/0x4d0 [ 352.838610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.843791] RIP: 0033:0x4592c9 [ 352.846977] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 352.866745] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 352.874452] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 352.882238] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 352.889507] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 352.896854] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 352.904110] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 352.920049] CPU: 1 PID: 11918 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 352.927256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.936604] Call Trace: [ 352.939187] dump_stack+0x113/0x167 [ 352.942815] should_fail.cold.4+0x5/0x13 [ 352.946872] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 352.951973] ? lock_downgrade+0x7f0/0x7f0 [ 352.956117] ? ___might_sleep+0x16b/0x270 [ 352.960263] __should_failslab+0xba/0xf0 [ 352.964314] should_failslab+0x9/0x14 [ 352.968105] kmem_cache_alloc_trace+0x2d8/0x740 [ 352.972774] sctp_datamsg_from_user+0x7f/0xf30 [ 352.977350] ? kmem_cache_alloc_trace+0x353/0x740 [ 352.982194] ? sctp_sched_init_sid+0xf1/0x170 [ 352.986686] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 352.991264] ? find_held_lock+0x36/0x1d0 [ 352.995321] ? sctp_clear_owner_w+0xf0/0xf0 [ 352.999631] ? lock_sock_nested+0xc5/0x100 [ 353.003856] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.008426] ? __local_bh_enable_ip+0x160/0x260 [ 353.013086] ? lock_sock_nested+0x82/0x100 [ 353.017312] ? trace_hardirqs_on+0x28/0x190 [ 353.021618] ? lock_sock_nested+0x82/0x100 [ 353.025841] ? lock_sock_nested+0x82/0x100 [ 353.030065] ? __local_bh_enable_ip+0x160/0x260 [ 353.034730] sctp_sendmsg+0xb80/0x1710 [ 353.038614] ? sctp_id2assoc+0x250/0x250 [ 353.042664] ? ___might_sleep+0x16b/0x270 [ 353.046811] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.051741] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 353.056662] inet_sendmsg+0x108/0x440 [ 353.060449] ? security_socket_sendmsg+0x4a/0x90 [ 353.065282] ? ipip_gro_receive+0xf0/0xf0 [ 353.069447] sock_sendmsg+0xb5/0xf0 [ 353.073070] sock_write_iter+0x1e9/0x3d0 [ 353.077121] ? sock_sendmsg+0xf0/0xf0 [ 353.080934] __vfs_write+0x4a3/0x970 [ 353.084636] ? lock_downgrade+0x7f0/0x7f0 [ 353.088774] ? kernel_read+0x130/0x130 [ 353.092657] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.097584] ? apparmor_file_permission+0x15/0x20 [ 353.102418] ? rw_verify_area+0xb8/0x2b0 [ 353.106472] vfs_write+0x150/0x4e0 [ 353.110005] ksys_write+0xcd/0x1b0 [ 353.113539] ? __ia32_sys_read+0xa0/0xa0 [ 353.117591] ? do_syscall_64+0x21/0x4d0 [ 353.121576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.126930] __x64_sys_write+0x6e/0xb0 [ 353.130813] do_syscall_64+0xd0/0x4d0 [ 353.134613] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.139789] RIP: 0033:0x4592c9 [ 353.142974] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 353.161870] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 353.169566] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 353.176852] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 353.184201] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 353.191458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 353.198718] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 353.205992] CPU: 0 PID: 11919 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 353.213191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.213195] Call Trace: [ 353.225131] dump_stack+0x113/0x167 [ 353.228766] should_fail.cold.4+0x5/0x13 [ 353.232824] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 353.237933] ? lock_downgrade+0x7f0/0x7f0 [ 353.242079] ? ___might_sleep+0x16b/0x270 [ 353.246314] __should_failslab+0xba/0xf0 [ 353.250372] should_failslab+0x9/0x14 [ 353.254165] kmem_cache_alloc_node+0x270/0x730 [ 353.258743] __alloc_skb+0xa7/0x570 [ 353.262360] ? skb_scrub_packet+0x3a0/0x3a0 [ 353.266691] _sctp_make_chunk+0x3f/0x260 [ 353.270759] sctp_make_datafrag_empty+0x159/0x260 [ 353.275600] ? sctp_make_ecne+0xf0/0xf0 [ 353.279564] sctp_datamsg_from_user+0x4d7/0xf30 [ 353.284223] ? mark_held_locks+0x130/0x130 [ 353.288452] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 353.293014] ? __lock_is_held+0xb5/0x140 [ 353.297059] ? find_held_lock+0x36/0x1d0 [ 353.301112] ? sctp_clear_owner_w+0xf0/0xf0 [ 353.305418] ? lock_sock_nested+0xc5/0x100 [ 353.309636] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.314216] ? __local_bh_enable_ip+0x160/0x260 [ 353.318868] ? lock_sock_nested+0x82/0x100 [ 353.323101] ? trace_hardirqs_on+0x28/0x190 [ 353.327438] ? lock_sock_nested+0x82/0x100 [ 353.331656] ? lock_sock_nested+0x82/0x100 [ 353.335879] ? __local_bh_enable_ip+0x160/0x260 [ 353.340559] sctp_sendmsg+0xb80/0x1710 [ 353.344436] ? sctp_id2assoc+0x250/0x250 [ 353.348481] ? ___might_sleep+0x16b/0x270 [ 353.352637] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.357560] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 353.362476] inet_sendmsg+0x108/0x440 [ 353.366263] ? security_socket_sendmsg+0x4a/0x90 [ 353.371022] ? ipip_gro_receive+0xf0/0xf0 [ 353.375153] sock_sendmsg+0xb5/0xf0 [ 353.378767] sock_write_iter+0x1e9/0x3d0 [ 353.382814] ? sock_sendmsg+0xf0/0xf0 [ 353.386607] __vfs_write+0x4a3/0x970 [ 353.390306] ? lock_downgrade+0x7f0/0x7f0 [ 353.394441] ? kernel_read+0x130/0x130 [ 353.398318] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 353.403236] ? apparmor_file_permission+0x15/0x20 [ 353.408088] ? rw_verify_area+0xb8/0x2b0 [ 353.412142] vfs_write+0x150/0x4e0 [ 353.415686] ksys_write+0xcd/0x1b0 [ 353.419213] ? __ia32_sys_read+0xa0/0xa0 [ 353.423265] ? do_syscall_64+0x21/0x4d0 [ 353.427227] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.432577] __x64_sys_write+0x6e/0xb0 [ 353.436446] do_syscall_64+0xd0/0x4d0 [ 353.440244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.445418] RIP: 0033:0x4592c9 [ 353.448595] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 353.467485] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 353.475179] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 353.482432] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 353.489682] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 353.496935] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 353.504192] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 353.542254] FAULT_INJECTION: forcing a failure. [ 353.542254] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 353.554140] CPU: 1 PID: 11933 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 353.561323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.570673] Call Trace: [ 353.573262] dump_stack+0x113/0x167 [ 353.576890] should_fail.cold.4+0x5/0x13 [ 353.580951] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 353.586055] ? mark_held_locks+0x130/0x130 [ 353.587258] FAULT_INJECTION: forcing a failure. [ 353.587258] name failslab, interval 1, probability 0, space 0, times 0 [ 353.590402] ? kasan_check_read+0x11/0x20 [ 353.590413] should_fail_alloc_page+0x50/0x60 [ 353.590419] __alloc_pages_nodemask+0x186/0x730 [ 353.590424] ? find_held_lock+0x36/0x1d0 [ 353.590432] ? __alloc_pages_slowpath+0x2650/0x2650 [ 353.623918] ? lock_downgrade+0x7f0/0x7f0 [ 353.628065] alloc_pages_current+0xd6/0x1b0 [ 353.632381] __get_free_pages+0xc/0x40 [ 353.636260] __tlb_remove_page_size+0x26b/0x4d0 [ 353.640924] unmap_page_range+0xa45/0x1e30 [ 353.645149] ? __save_stack_trace+0x8d/0xf0 [ 353.649476] ? vm_normal_page_pmd+0x310/0x310 [ 353.654137] ? kmem_cache_free+0x83/0x290 [ 353.658381] ? do_exit+0x94f/0x2ba0 [ 353.661998] ? do_group_exit+0xf4/0x2f0 [ 353.665986] ? get_signal+0x532/0x11d0 [ 353.669861] ? do_signal+0x87/0x1930 [ 353.673565] ? exit_to_usermode_loop+0x114/0x200 [ 353.678403] unmap_single_vma+0x121/0x300 [ 353.682543] unmap_vmas+0x146/0x240 [ 353.686159] ? zap_vma_ptes+0xd0/0xd0 [ 353.689946] ? debug_check_no_obj_freed+0x1ff/0x472 [ 353.694953] ? kasan_check_write+0x14/0x20 [ 353.699180] ? tlb_gather_mmu+0x236/0x3e0 [ 353.703346] exit_mmap+0x251/0x450 [ 353.706882] ? __ia32_sys_munmap+0x80/0x80 [ 353.711114] ? __khugepaged_exit+0x289/0x400 [ 353.715542] ? kasan_check_write+0x14/0x20 [ 353.719764] ? __khugepaged_exit+0x2c0/0x400 [ 353.724172] mmput+0x107/0x3f0 [ 353.727360] do_exit+0x94f/0x2ba0 [ 353.732295] ? inet_sendmsg+0x108/0x440 [ 353.736263] ? security_socket_sendmsg+0x4a/0x90 [ 353.741012] ? mm_update_next_owner+0x680/0x680 [ 353.745674] ? find_held_lock+0x36/0x1d0 [ 353.749844] ? get_signal+0x584/0x11d0 [ 353.753818] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.759623] ? get_signal+0x584/0x11d0 [ 353.763505] do_group_exit+0xf4/0x2f0 [ 353.767306] get_signal+0x532/0x11d0 [ 353.771017] do_signal+0x87/0x1930 [ 353.774552] ? rw_verify_area+0xb8/0x2b0 [ 353.778605] ? setup_sigcontext+0x7d0/0x7d0 [ 353.782928] ? kasan_check_write+0x14/0x20 [ 353.787179] ? fput+0x18/0x120 [ 353.790363] ? ksys_write+0x157/0x1b0 [ 353.794161] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.798731] ? exit_to_usermode_loop+0x3a/0x200 [ 353.803388] ? trace_hardirqs_on+0x28/0x190 [ 353.807704] exit_to_usermode_loop+0x114/0x200 [ 353.812309] do_syscall_64+0x407/0x4d0 [ 353.816192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.821455] RIP: 0033:0x4592c9 [ 353.824636] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 2019/06/15 21:33:49 executed programs: 1233 [ 353.843527] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 353.851226] RAX: ffffffffffffffe0 RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 353.858485] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 353.866701] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 353.873958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 353.881216] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 353.888500] CPU: 0 PID: 11937 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 353.895689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.895693] Call Trace: [ 353.907619] dump_stack+0x113/0x167 [ 353.911240] should_fail.cold.4+0x5/0x13 [ 353.915291] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 353.920396] ? lock_downgrade+0x7f0/0x7f0 [ 353.924544] ? ___might_sleep+0x16b/0x270 [ 353.928699] __should_failslab+0xba/0xf0 [ 353.932760] should_failslab+0x9/0x14 [ 353.936550] kmem_cache_alloc_node+0x270/0x730 [ 353.936558] ? find_held_lock+0x36/0x1d0 [ 353.936571] __alloc_skb+0xa7/0x570 [ 353.936578] ? skb_scrub_packet+0x3a0/0x3a0 [ 353.936594] _sctp_make_chunk+0x3f/0x260 [ 353.936602] sctp_make_datafrag_empty+0x159/0x260 [ 353.936609] ? sctp_make_ecne+0xf0/0xf0 [ 353.945274] ? process_measurement+0x805/0x14b0 [ 353.945291] sctp_datamsg_from_user+0x4d7/0xf30 [ 353.945307] ? mark_held_locks+0x130/0x130 [ 353.945320] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 353.945329] ? find_held_lock+0x36/0x1d0 [ 353.953252] ? sctp_clear_owner_w+0xf0/0xf0 [ 353.992595] ? lock_sock_nested+0xc5/0x100 [ 353.996827] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.001411] ? __local_bh_enable_ip+0x160/0x260 [ 354.001973] FAULT_INJECTION: forcing a failure. [ 354.001973] name failslab, interval 1, probability 0, space 0, times 0 [ 354.006074] ? lock_sock_nested+0x82/0x100 [ 354.006082] ? trace_hardirqs_on+0x28/0x190 [ 354.006086] ? lock_sock_nested+0x82/0x100 [ 354.006091] ? lock_sock_nested+0x82/0x100 [ 354.006098] ? __local_bh_enable_ip+0x160/0x260 [ 354.006110] sctp_sendmsg+0xb80/0x1710 [ 354.006121] ? sctp_id2assoc+0x250/0x250 [ 354.006129] ? ___might_sleep+0x16b/0x270 [ 354.050964] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.055892] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 354.060820] inet_sendmsg+0x108/0x440 [ 354.064614] ? security_socket_sendmsg+0x4a/0x90 [ 354.069364] ? ipip_gro_receive+0xf0/0xf0 [ 354.073506] sock_sendmsg+0xb5/0xf0 [ 354.077137] sock_write_iter+0x1e9/0x3d0 [ 354.081189] ? sock_sendmsg+0xf0/0xf0 [ 354.084996] __vfs_write+0x4a3/0x970 [ 354.088703] ? lock_downgrade+0x7f0/0x7f0 [ 354.092847] ? kernel_read+0x130/0x130 [ 354.096727] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.101663] ? apparmor_file_permission+0x15/0x20 [ 354.106514] ? rw_verify_area+0xb8/0x2b0 [ 354.110573] vfs_write+0x150/0x4e0 [ 354.114114] ksys_write+0xcd/0x1b0 [ 354.117651] ? __ia32_sys_read+0xa0/0xa0 [ 354.121713] ? do_syscall_64+0x21/0x4d0 [ 354.125677] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.131036] __x64_sys_write+0x6e/0xb0 [ 354.134920] do_syscall_64+0xd0/0x4d0 [ 354.134930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.134935] RIP: 0033:0x4592c9 [ 354.134943] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 354.134946] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 354.134953] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 354.134956] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 354.134959] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 354.134964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 354.166002] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 354.172655] CPU: 0 PID: 11945 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 354.217421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.226771] Call Trace: [ 354.229356] dump_stack+0x113/0x167 [ 354.232987] should_fail.cold.4+0x5/0x13 [ 354.237040] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 354.237047] ? lock_downgrade+0x7f0/0x7f0 [ 354.237056] ? ___might_sleep+0x16b/0x270 [ 354.237067] __should_failslab+0xba/0xf0 [ 354.237075] should_failslab+0x9/0x14 [ 354.237081] kmem_cache_alloc_node+0x270/0x730 [ 354.237087] ? find_held_lock+0x36/0x1d0 [ 354.237101] __alloc_skb+0xa7/0x570 [ 354.237108] ? skb_scrub_packet+0x3a0/0x3a0 [ 354.237123] _sctp_make_chunk+0x3f/0x260 [ 354.237132] sctp_make_datafrag_empty+0x159/0x260 [ 354.237139] ? sctp_make_ecne+0xf0/0xf0 [ 354.237148] ? process_measurement+0x805/0x14b0 [ 354.237157] sctp_datamsg_from_user+0x4d7/0xf30 [ 354.237165] ? mark_held_locks+0x130/0x130 [ 354.237178] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 354.237185] ? find_held_lock+0x36/0x1d0 [ 354.237196] ? sctp_clear_owner_w+0xf0/0xf0 [ 354.275993] FAULT_INJECTION: forcing a failure. [ 354.275993] name failslab, interval 1, probability 0, space 0, times 0 [ 354.279249] ? lock_sock_nested+0xc5/0x100 [ 354.279258] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.279264] ? __local_bh_enable_ip+0x160/0x260 [ 354.279269] ? lock_sock_nested+0x82/0x100 [ 354.279274] ? trace_hardirqs_on+0x28/0x190 [ 354.279279] ? lock_sock_nested+0x82/0x100 [ 354.279284] ? lock_sock_nested+0x82/0x100 [ 354.279290] ? __local_bh_enable_ip+0x160/0x260 [ 354.279310] sctp_sendmsg+0xb80/0x1710 [ 354.279320] ? sctp_id2assoc+0x250/0x250 [ 354.279327] ? ___might_sleep+0x16b/0x270 [ 354.279337] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.279350] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 354.279360] inet_sendmsg+0x108/0x440 [ 354.279366] ? security_socket_sendmsg+0x4a/0x90 [ 354.279371] ? ipip_gro_receive+0xf0/0xf0 [ 354.279379] sock_sendmsg+0xb5/0xf0 [ 354.279386] sock_write_iter+0x1e9/0x3d0 [ 354.279393] ? sock_sendmsg+0xf0/0xf0 [ 354.279408] __vfs_write+0x4a3/0x970 [ 354.297525] ? lock_downgrade+0x7f0/0x7f0 [ 354.297534] ? kernel_read+0x130/0x130 [ 354.297543] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.297556] ? apparmor_file_permission+0x15/0x20 [ 354.297565] ? rw_verify_area+0xb8/0x2b0 [ 354.297573] vfs_write+0x150/0x4e0 [ 354.297582] ksys_write+0xcd/0x1b0 [ 354.297588] ? __ia32_sys_read+0xa0/0xa0 [ 354.297596] ? do_syscall_64+0x21/0x4d0 [ 354.297605] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.297613] __x64_sys_write+0x6e/0xb0 [ 354.297619] do_syscall_64+0xd0/0x4d0 [ 354.297628] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.297633] RIP: 0033:0x4592c9 [ 354.297639] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 354.297642] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 354.297649] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 354.297653] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 354.297656] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 354.297659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 354.297662] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 354.353799] FAULT_INJECTION: forcing a failure. [ 354.353799] name failslab, interval 1, probability 0, space 0, times 0 [ 354.364736] CPU: 1 PID: 11956 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 354.550460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.559804] Call Trace: [ 354.562390] dump_stack+0x113/0x167 [ 354.566014] should_fail.cold.4+0x5/0x13 [ 354.570065] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 354.575158] ? lock_downgrade+0x7f0/0x7f0 [ 354.579307] ? ___might_sleep+0x16b/0x270 [ 354.583451] __should_failslab+0xba/0xf0 [ 354.587503] should_failslab+0x9/0x14 [ 354.591290] kmem_cache_alloc_node+0x270/0x730 [ 354.595860] ? find_held_lock+0x36/0x1d0 [ 354.599918] __alloc_skb+0xa7/0x570 [ 354.603537] ? skb_scrub_packet+0x3a0/0x3a0 [ 354.607856] _sctp_make_chunk+0x3f/0x260 [ 354.611911] sctp_make_datafrag_empty+0x159/0x260 [ 354.616741] ? sctp_make_ecne+0xf0/0xf0 [ 354.620711] ? process_measurement+0x805/0x14b0 [ 354.625373] sctp_datamsg_from_user+0x4d7/0xf30 [ 354.630034] ? mark_held_locks+0x130/0x130 [ 354.634265] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 354.638838] ? find_held_lock+0x36/0x1d0 [ 354.642897] ? sctp_clear_owner_w+0xf0/0xf0 [ 354.647207] ? lock_sock_nested+0xc5/0x100 [ 354.651429] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.656001] ? __local_bh_enable_ip+0x160/0x260 [ 354.660655] ? lock_sock_nested+0x82/0x100 [ 354.664914] ? trace_hardirqs_on+0x28/0x190 [ 354.669227] ? lock_sock_nested+0x82/0x100 [ 354.673544] ? lock_sock_nested+0x82/0x100 [ 354.677768] ? __local_bh_enable_ip+0x160/0x260 [ 354.682462] sctp_sendmsg+0xb80/0x1710 [ 354.686348] ? sctp_id2assoc+0x250/0x250 [ 354.690401] ? ___might_sleep+0x16b/0x270 [ 354.694634] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.699557] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 354.704480] inet_sendmsg+0x108/0x440 [ 354.708300] ? security_socket_sendmsg+0x4a/0x90 [ 354.713154] ? ipip_gro_receive+0xf0/0xf0 [ 354.717297] sock_sendmsg+0xb5/0xf0 [ 354.720916] sock_write_iter+0x1e9/0x3d0 [ 354.724968] ? sock_sendmsg+0xf0/0xf0 [ 354.728777] __vfs_write+0x4a3/0x970 [ 354.732483] ? lock_downgrade+0x7f0/0x7f0 [ 354.736618] ? kernel_read+0x130/0x130 [ 354.740495] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.745425] ? apparmor_file_permission+0x15/0x20 [ 354.750260] ? rw_verify_area+0xb8/0x2b0 [ 354.754491] vfs_write+0x150/0x4e0 [ 354.758049] ksys_write+0xcd/0x1b0 [ 354.761583] ? __ia32_sys_read+0xa0/0xa0 [ 354.765634] ? do_syscall_64+0x21/0x4d0 [ 354.769601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.774960] __x64_sys_write+0x6e/0xb0 [ 354.778836] do_syscall_64+0xd0/0x4d0 [ 354.782627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.787807] RIP: 0033:0x4592c9 [ 354.790996] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 354.809890] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 354.817865] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 354.825120] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 354.832383] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 354.839640] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 354.846924] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 354.856024] CPU: 0 PID: 11958 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 354.863943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.873377] Call Trace: [ 354.875960] dump_stack+0x113/0x167 [ 354.879589] should_fail.cold.4+0x5/0x13 [ 354.883646] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 354.888741] ? lock_downgrade+0x7f0/0x7f0 [ 354.892884] ? ___might_sleep+0x16b/0x270 [ 354.897024] __should_failslab+0xba/0xf0 [ 354.897033] should_failslab+0x9/0x14 [ 354.897038] kmem_cache_alloc_node+0x270/0x730 [ 354.897045] ? find_held_lock+0x36/0x1d0 [ 354.897057] __alloc_skb+0xa7/0x570 [ 354.897064] ? skb_scrub_packet+0x3a0/0x3a0 [ 354.897079] _sctp_make_chunk+0x3f/0x260 [ 354.897088] sctp_make_datafrag_empty+0x159/0x260 [ 354.897095] ? sctp_make_ecne+0xf0/0xf0 [ 354.897105] ? process_measurement+0x805/0x14b0 [ 354.897114] sctp_datamsg_from_user+0x4d7/0xf30 [ 354.897123] ? mark_held_locks+0x130/0x130 [ 354.897135] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 354.897142] ? find_held_lock+0x36/0x1d0 [ 354.897153] ? sctp_clear_owner_w+0xf0/0xf0 [ 354.897159] ? lock_sock_nested+0xc5/0x100 [ 354.909593] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.909600] ? __local_bh_enable_ip+0x160/0x260 [ 354.909605] ? lock_sock_nested+0x82/0x100 [ 354.909611] ? trace_hardirqs_on+0x28/0x190 [ 354.909615] ? lock_sock_nested+0x82/0x100 [ 354.909620] ? lock_sock_nested+0x82/0x100 [ 354.909626] ? __local_bh_enable_ip+0x160/0x260 [ 354.909637] sctp_sendmsg+0xb80/0x1710 [ 354.909648] ? sctp_id2assoc+0x250/0x250 [ 354.909655] ? ___might_sleep+0x16b/0x270 [ 354.909665] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.909678] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 354.917335] inet_sendmsg+0x108/0x440 [ 354.917342] ? security_socket_sendmsg+0x4a/0x90 [ 354.917348] ? ipip_gro_receive+0xf0/0xf0 [ 354.917356] sock_sendmsg+0xb5/0xf0 [ 354.917363] sock_write_iter+0x1e9/0x3d0 [ 354.917371] ? sock_sendmsg+0xf0/0xf0 [ 354.917388] __vfs_write+0x4a3/0x970 [ 354.917394] ? lock_downgrade+0x7f0/0x7f0 [ 354.917399] ? kernel_read+0x130/0x130 [ 354.917406] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 354.917417] ? apparmor_file_permission+0x15/0x20 [ 354.917425] ? rw_verify_area+0xb8/0x2b0 [ 354.917433] vfs_write+0x150/0x4e0 [ 354.917442] ksys_write+0xcd/0x1b0 [ 354.917449] ? __ia32_sys_read+0xa0/0xa0 [ 354.917457] ? do_syscall_64+0x21/0x4d0 [ 354.917465] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.917473] __x64_sys_write+0x6e/0xb0 [ 354.930664] do_syscall_64+0xd0/0x4d0 [ 354.930675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.930680] RIP: 0033:0x4592c9 [ 354.930687] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 354.930690] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 354.930697] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 354.930700] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 354.930703] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 354.930707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 354.930710] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 355.010108] FAULT_INJECTION: forcing a failure. [ 355.010108] name failslab, interval 1, probability 0, space 0, times 0 [ 355.044623] FAULT_INJECTION: forcing a failure. [ 355.044623] name failslab, interval 1, probability 0, space 0, times 0 [ 355.071093] CPU: 0 PID: 11965 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 355.084433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.084437] Call Trace: [ 355.084451] dump_stack+0x113/0x167 [ 355.084463] should_fail.cold.4+0x5/0x13 [ 355.084470] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 355.084477] ? lock_downgrade+0x7f0/0x7f0 [ 355.093703] ? ___might_sleep+0x16b/0x270 [ 355.093714] __should_failslab+0xba/0xf0 [ 355.093723] should_failslab+0x9/0x14 [ 355.093728] kmem_cache_alloc_node+0x270/0x730 [ 355.093734] ? find_held_lock+0x36/0x1d0 [ 355.102734] __alloc_skb+0xa7/0x570 [ 355.102742] ? skb_scrub_packet+0x3a0/0x3a0 [ 355.102757] _sctp_make_chunk+0x3f/0x260 [ 355.102766] sctp_make_datafrag_empty+0x159/0x260 [ 355.124946] ? sctp_make_ecne+0xf0/0xf0 [ 355.124957] ? process_measurement+0x805/0x14b0 [ 355.124967] sctp_datamsg_from_user+0x4d7/0xf30 [ 355.124976] ? mark_held_locks+0x130/0x130 [ 355.124988] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 355.124996] ? find_held_lock+0x36/0x1d0 [ 355.125006] ? sctp_clear_owner_w+0xf0/0xf0 [ 355.125013] ? lock_sock_nested+0xc5/0x100 [ 355.125018] ? lockdep_hardirqs_on+0x421/0x5c0 [ 355.125024] ? __local_bh_enable_ip+0x160/0x260 [ 355.125028] ? lock_sock_nested+0x82/0x100 [ 355.125034] ? trace_hardirqs_on+0x28/0x190 [ 355.125038] ? lock_sock_nested+0x82/0x100 [ 355.125043] ? lock_sock_nested+0x82/0x100 [ 355.125049] ? __local_bh_enable_ip+0x160/0x260 [ 355.125059] sctp_sendmsg+0xb80/0x1710 [ 355.125070] ? sctp_id2assoc+0x250/0x250 [ 355.198744] ? ___might_sleep+0x16b/0x270 [ 355.198757] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 355.198770] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 355.198780] inet_sendmsg+0x108/0x440 [ 355.198788] ? security_socket_sendmsg+0x4a/0x90 [ 355.251945] ? ipip_gro_receive+0xf0/0xf0 [ 355.251955] sock_sendmsg+0xb5/0xf0 [ 355.251963] sock_write_iter+0x1e9/0x3d0 [ 355.251971] ? sock_sendmsg+0xf0/0xf0 [ 355.359499] FAULT_INJECTION: forcing a failure. [ 355.359499] name failslab, interval 1, probability 0, space 0, times 0 [ 355.360792] __vfs_write+0x4a3/0x970 [ 355.360800] ? lock_downgrade+0x7f0/0x7f0 [ 355.360806] ? kernel_read+0x130/0x130 [ 355.395959] FAULT_INJECTION: forcing a failure. [ 355.395959] name failslab, interval 1, probability 0, space 0, times 0 [ 355.396072] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 355.396086] ? apparmor_file_permission+0x15/0x20 [ 355.396096] ? rw_verify_area+0xb8/0x2b0 [ 355.396104] vfs_write+0x150/0x4e0 [ 355.415502] FAULT_INJECTION: forcing a failure. [ 355.415502] name failslab, interval 1, probability 0, space 0, times 0 [ 355.419015] ksys_write+0xcd/0x1b0 [ 355.419035] ? __ia32_sys_read+0xa0/0xa0 [ 355.419044] ? do_syscall_64+0x21/0x4d0 [ 355.419053] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.419062] __x64_sys_write+0x6e/0xb0 [ 355.419068] do_syscall_64+0xd0/0x4d0 [ 355.419076] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.419082] RIP: 0033:0x4592c9 [ 355.419088] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 355.419091] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 355.419097] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 355.419100] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 355.419104] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 355.419107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 355.419110] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 355.445821] CPU: 0 PID: 11964 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 355.455284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.464595] Call Trace: [ 355.562769] dump_stack+0x113/0x167 [ 355.566397] should_fail.cold.4+0x5/0x13 [ 355.570462] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 355.575554] ? lock_downgrade+0x7f0/0x7f0 [ 355.579692] ? ___might_sleep+0x16b/0x270 [ 355.583835] __should_failslab+0xba/0xf0 [ 355.587886] should_failslab+0x9/0x14 [ 355.591673] kmem_cache_alloc_node+0x270/0x730 [ 355.596248] ? find_held_lock+0x36/0x1d0 [ 355.600314] __alloc_skb+0xa7/0x570 [ 355.603935] ? skb_scrub_packet+0x3a0/0x3a0 [ 355.608255] _sctp_make_chunk+0x3f/0x260 [ 355.612316] sctp_make_datafrag_empty+0x159/0x260 [ 355.617238] ? sctp_make_ecne+0xf0/0xf0 [ 355.622340] ? process_measurement+0x805/0x14b0 [ 355.627033] sctp_datamsg_from_user+0x4d7/0xf30 [ 355.631711] ? mark_held_locks+0x130/0x130 [ 355.635943] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 355.640519] ? find_held_lock+0x36/0x1d0 [ 355.644582] ? sctp_clear_owner_w+0xf0/0xf0 [ 355.648895] ? lock_sock_nested+0xc5/0x100 [ 355.653129] ? lockdep_hardirqs_on+0x421/0x5c0 [ 355.657702] ? __local_bh_enable_ip+0x160/0x260 [ 355.662359] ? lock_sock_nested+0x82/0x100 [ 355.666582] ? trace_hardirqs_on+0x28/0x190 [ 355.670890] ? lock_sock_nested+0x82/0x100 [ 355.675115] ? lock_sock_nested+0x82/0x100 [ 355.679351] ? __local_bh_enable_ip+0x160/0x260 [ 355.684017] sctp_sendmsg+0xb80/0x1710 [ 355.687907] ? sctp_id2assoc+0x250/0x250 [ 355.691961] ? ___might_sleep+0x16b/0x270 [ 355.696193] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 355.701145] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 355.706078] inet_sendmsg+0x108/0x440 [ 355.709873] ? security_socket_sendmsg+0x4a/0x90 [ 355.714626] ? ipip_gro_receive+0xf0/0xf0 [ 355.718772] sock_sendmsg+0xb5/0xf0 [ 355.722397] sock_write_iter+0x1e9/0x3d0 [ 355.726457] ? sock_sendmsg+0xf0/0xf0 [ 355.731729] __vfs_write+0x4a3/0x970 [ 355.735448] ? lock_downgrade+0x7f0/0x7f0 [ 355.739592] ? kernel_read+0x130/0x130 [ 355.743478] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 355.748402] ? apparmor_file_permission+0x15/0x20 [ 355.753241] ? rw_verify_area+0xb8/0x2b0 [ 355.757300] vfs_write+0x150/0x4e0 [ 355.760833] ksys_write+0xcd/0x1b0 [ 355.764367] ? __ia32_sys_read+0xa0/0xa0 [ 355.768423] ? do_syscall_64+0x21/0x4d0 [ 355.772395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.777933] __x64_sys_write+0x6e/0xb0 [ 355.781901] do_syscall_64+0xd0/0x4d0 [ 355.785703] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.790968] RIP: 0033:0x4592c9 [ 355.794148] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 355.813070] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 355.820945] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 355.828206] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 355.835638] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 355.842903] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 355.850167] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 355.863359] CPU: 1 PID: 11969 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 355.870559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.879909] Call Trace: [ 355.882557] dump_stack+0x113/0x167 [ 355.886187] should_fail.cold.4+0x5/0x13 [ 355.890250] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 355.890490] FAULT_INJECTION: forcing a failure. [ 355.890490] name failslab, interval 1, probability 0, space 0, times 0 [ 355.895348] ? lock_downgrade+0x7f0/0x7f0 [ 355.910653] ? ___might_sleep+0x16b/0x270 [ 355.914798] __should_failslab+0xba/0xf0 [ 355.918850] should_failslab+0x9/0x14 [ 355.922635] kmem_cache_alloc_node+0x270/0x730 [ 355.927203] ? find_held_lock+0x36/0x1d0 [ 355.931256] __alloc_skb+0xa7/0x570 [ 355.934894] ? skb_scrub_packet+0x3a0/0x3a0 [ 355.939217] _sctp_make_chunk+0x3f/0x260 [ 355.943276] sctp_make_datafrag_empty+0x159/0x260 [ 355.948112] ? sctp_make_ecne+0xf0/0xf0 [ 355.952079] ? process_measurement+0x805/0x14b0 [ 355.956740] sctp_datamsg_from_user+0x4d7/0xf30 [ 355.961405] ? mark_held_locks+0x130/0x130 [ 355.965634] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 355.970208] ? find_held_lock+0x36/0x1d0 [ 355.974262] ? sctp_clear_owner_w+0xf0/0xf0 [ 355.978594] ? lock_sock_nested+0xc5/0x100 [ 355.982821] ? lockdep_hardirqs_on+0x421/0x5c0 [ 355.987412] ? __local_bh_enable_ip+0x160/0x260 [ 355.992068] ? lock_sock_nested+0x82/0x100 [ 355.996292] ? trace_hardirqs_on+0x28/0x190 [ 356.000599] ? lock_sock_nested+0x82/0x100 [ 356.004820] ? lock_sock_nested+0x82/0x100 [ 356.009050] ? __local_bh_enable_ip+0x160/0x260 [ 356.013711] sctp_sendmsg+0xb80/0x1710 [ 356.017591] ? sctp_id2assoc+0x250/0x250 [ 356.021660] ? ___might_sleep+0x16b/0x270 [ 356.025806] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.030733] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 356.035660] inet_sendmsg+0x108/0x440 [ 356.039448] ? security_socket_sendmsg+0x4a/0x90 [ 356.044189] ? ipip_gro_receive+0xf0/0xf0 [ 356.048327] sock_sendmsg+0xb5/0xf0 [ 356.051946] sock_write_iter+0x1e9/0x3d0 [ 356.055999] ? sock_sendmsg+0xf0/0xf0 [ 356.059804] __vfs_write+0x4a3/0x970 [ 356.063509] ? lock_downgrade+0x7f0/0x7f0 [ 356.067649] ? kernel_read+0x130/0x130 [ 356.071529] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.076455] ? apparmor_file_permission+0x15/0x20 [ 356.081286] ? rw_verify_area+0xb8/0x2b0 [ 356.085341] vfs_write+0x150/0x4e0 [ 356.088870] ksys_write+0xcd/0x1b0 [ 356.092401] ? __ia32_sys_read+0xa0/0xa0 [ 356.096449] ? do_syscall_64+0x21/0x4d0 [ 356.100417] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.105772] __x64_sys_write+0x6e/0xb0 [ 356.109653] do_syscall_64+0xd0/0x4d0 [ 356.113446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.118622] RIP: 0033:0x4592c9 [ 356.121806] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 356.140783] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 356.148482] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 356.155742] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 356.163000] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 356.170259] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 356.177516] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 356.184792] CPU: 0 PID: 11983 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 356.191985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.201331] Call Trace: [ 356.203909] dump_stack+0x113/0x167 [ 356.207537] should_fail.cold.4+0x5/0x13 [ 356.211599] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 356.216701] ? lock_downgrade+0x7f0/0x7f0 [ 356.220847] ? ___might_sleep+0x16b/0x270 [ 356.224997] __should_failslab+0xba/0xf0 [ 356.229064] should_failslab+0x9/0x14 [ 356.232862] kmem_cache_alloc_node+0x270/0x730 [ 356.237438] ? find_held_lock+0x36/0x1d0 [ 356.241503] __alloc_skb+0xa7/0x570 [ 356.245129] ? skb_scrub_packet+0x3a0/0x3a0 [ 356.249450] _sctp_make_chunk+0x3f/0x260 [ 356.253508] sctp_make_datafrag_empty+0x159/0x260 [ 356.258345] ? sctp_make_ecne+0xf0/0xf0 [ 356.262323] ? process_measurement+0x805/0x14b0 [ 356.266992] sctp_datamsg_from_user+0x4d7/0xf30 [ 356.271661] ? mark_held_locks+0x130/0x130 [ 356.275895] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 356.280472] ? find_held_lock+0x36/0x1d0 [ 356.284537] ? sctp_clear_owner_w+0xf0/0xf0 [ 356.288856] ? lock_sock_nested+0xc5/0x100 [ 356.293086] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.297660] ? __local_bh_enable_ip+0x160/0x260 [ 356.302325] ? lock_sock_nested+0x82/0x100 [ 356.306550] ? trace_hardirqs_on+0x28/0x190 [ 356.310866] ? lock_sock_nested+0x82/0x100 [ 356.315093] ? lock_sock_nested+0x82/0x100 [ 356.319415] ? __local_bh_enable_ip+0x160/0x260 [ 356.324084] sctp_sendmsg+0xb80/0x1710 [ 356.328173] ? sctp_id2assoc+0x250/0x250 [ 356.332227] ? ___might_sleep+0x16b/0x270 [ 356.336377] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.341309] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 356.346243] inet_sendmsg+0x108/0x440 [ 356.350036] ? security_socket_sendmsg+0x4a/0x90 [ 356.354780] ? ipip_gro_receive+0xf0/0xf0 [ 356.358919] sock_sendmsg+0xb5/0xf0 [ 356.362544] sock_write_iter+0x1e9/0x3d0 [ 356.366631] ? sock_sendmsg+0xf0/0xf0 [ 356.370439] __vfs_write+0x4a3/0x970 [ 356.374141] ? lock_downgrade+0x7f0/0x7f0 [ 356.378276] ? kernel_read+0x130/0x130 [ 356.382199] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.387129] ? apparmor_file_permission+0x15/0x20 [ 356.391967] ? rw_verify_area+0xb8/0x2b0 [ 356.396031] vfs_write+0x150/0x4e0 [ 356.399565] ksys_write+0xcd/0x1b0 [ 356.403112] ? __ia32_sys_read+0xa0/0xa0 [ 356.407168] ? do_syscall_64+0x21/0x4d0 [ 356.411132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.416490] __x64_sys_write+0x6e/0xb0 [ 356.420375] do_syscall_64+0xd0/0x4d0 [ 356.424170] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.429349] RIP: 0033:0x4592c9 [ 356.432536] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 356.451544] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 356.459245] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 356.466504] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 356.473767] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 356.481026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 356.488286] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 356.497744] CPU: 1 PID: 11978 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 356.504949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.514296] Call Trace: [ 356.516884] dump_stack+0x113/0x167 [ 356.520514] should_fail.cold.4+0x5/0x13 [ 356.524574] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 356.529670] ? lock_downgrade+0x7f0/0x7f0 [ 356.533825] ? ___might_sleep+0x16b/0x270 [ 356.537973] __should_failslab+0xba/0xf0 [ 356.542025] should_failslab+0x9/0x14 [ 356.545814] kmem_cache_alloc_trace+0x2d8/0x740 [ 356.550490] sctp_datamsg_from_user+0x7f/0xf30 [ 356.555077] ? kmem_cache_alloc_trace+0x353/0x740 [ 356.559911] ? sctp_sched_init_sid+0xf1/0x170 [ 356.564403] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 356.568975] ? __lock_is_held+0xb5/0x140 [ 356.573029] ? find_held_lock+0x36/0x1d0 [ 356.577081] ? sctp_clear_owner_w+0xf0/0xf0 [ 356.581395] ? lock_sock_nested+0xc5/0x100 [ 356.585616] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.590186] ? __local_bh_enable_ip+0x160/0x260 [ 356.594839] ? lock_sock_nested+0x82/0x100 [ 356.599060] ? trace_hardirqs_on+0x28/0x190 [ 356.603393] ? lock_sock_nested+0x82/0x100 [ 356.607617] ? lock_sock_nested+0x82/0x100 [ 356.611842] ? __local_bh_enable_ip+0x160/0x260 [ 356.616504] sctp_sendmsg+0xb80/0x1710 [ 356.620386] ? sctp_id2assoc+0x250/0x250 [ 356.624437] ? ___might_sleep+0x16b/0x270 [ 356.628579] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.633502] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 356.638423] inet_sendmsg+0x108/0x440 [ 356.642214] ? security_socket_sendmsg+0x4a/0x90 [ 356.646960] ? ipip_gro_receive+0xf0/0xf0 [ 356.651101] sock_sendmsg+0xb5/0xf0 [ 356.654718] sock_write_iter+0x1e9/0x3d0 [ 356.658772] ? sock_sendmsg+0xf0/0xf0 [ 356.662593] __vfs_write+0x4a3/0x970 [ 356.666297] ? lock_downgrade+0x7f0/0x7f0 [ 356.670434] ? kernel_read+0x130/0x130 [ 356.674315] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.679239] ? apparmor_file_permission+0x15/0x20 [ 356.684077] ? rw_verify_area+0xb8/0x2b0 [ 356.688132] vfs_write+0x150/0x4e0 [ 356.691667] ksys_write+0xcd/0x1b0 [ 356.695199] ? __ia32_sys_read+0xa0/0xa0 [ 356.699259] ? do_syscall_64+0x21/0x4d0 [ 356.703402] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.708762] __x64_sys_write+0x6e/0xb0 [ 356.712645] do_syscall_64+0xd0/0x4d0 [ 356.716438] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.721620] RIP: 0033:0x4592c9 [ 356.724804] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 356.743708] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 356.751409] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 356.758667] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 356.765923] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 356.773179] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 356.780527] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 356.787827] CPU: 0 PID: 11968 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 356.795021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.795025] Call Trace: [ 356.806965] dump_stack+0x113/0x167 [ 356.810597] should_fail.cold.4+0x5/0x13 [ 356.814665] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 356.819762] ? lock_downgrade+0x7f0/0x7f0 [ 356.823902] ? ___might_sleep+0x16b/0x270 [ 356.823913] __should_failslab+0xba/0xf0 [ 356.823922] should_failslab+0x9/0x14 [ 356.823927] kmem_cache_alloc_trace+0x2d8/0x740 [ 356.823943] sctp_datamsg_from_user+0x7f/0xf30 [ 356.823947] ? kmem_cache_alloc_trace+0x353/0x740 [ 356.823955] ? sctp_sched_init_sid+0xf1/0x170 [ 356.823967] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 356.835940] ? find_held_lock+0x36/0x1d0 [ 356.835953] ? sctp_clear_owner_w+0xf0/0xf0 [ 356.835960] ? lock_sock_nested+0xc5/0x100 [ 356.835966] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.835973] ? __local_bh_enable_ip+0x160/0x260 [ 356.835977] ? lock_sock_nested+0x82/0x100 [ 356.835983] ? trace_hardirqs_on+0x28/0x190 [ 356.835987] ? lock_sock_nested+0x82/0x100 [ 356.835992] ? lock_sock_nested+0x82/0x100 [ 356.835997] ? __local_bh_enable_ip+0x160/0x260 [ 356.845234] sctp_sendmsg+0xb80/0x1710 [ 356.845247] ? sctp_id2assoc+0x250/0x250 [ 356.845255] ? ___might_sleep+0x16b/0x270 [ 356.845267] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.845281] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 356.845290] inet_sendmsg+0x108/0x440 [ 356.845302] ? security_socket_sendmsg+0x4a/0x90 [ 356.859177] ? ipip_gro_receive+0xf0/0xf0 [ 356.859185] sock_sendmsg+0xb5/0xf0 [ 356.859193] sock_write_iter+0x1e9/0x3d0 [ 356.859201] ? sock_sendmsg+0xf0/0xf0 [ 356.859219] __vfs_write+0x4a3/0x970 [ 356.859226] ? lock_downgrade+0x7f0/0x7f0 [ 356.859232] ? kernel_read+0x130/0x130 [ 356.859241] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 356.859253] ? apparmor_file_permission+0x15/0x20 [ 356.859260] ? rw_verify_area+0xb8/0x2b0 [ 356.859268] vfs_write+0x150/0x4e0 [ 356.942421] ksys_write+0xcd/0x1b0 [ 356.950255] ? __ia32_sys_read+0xa0/0xa0 [ 356.950264] ? do_syscall_64+0x21/0x4d0 [ 356.950273] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.950281] __x64_sys_write+0x6e/0xb0 [ 356.950288] do_syscall_64+0xd0/0x4d0 [ 356.950301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.950307] RIP: 0033:0x4592c9 [ 356.950314] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 356.950317] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 356.950323] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 356.950327] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 356.950330] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 356.950334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 356.950337] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 357.038361] FAULT_INJECTION: forcing a failure. [ 357.038361] name failslab, interval 1, probability 0, space 0, times 0 [ 357.049907] FAULT_INJECTION: forcing a failure. [ 357.049907] name failslab, interval 1, probability 0, space 0, times 0 [ 357.095035] CPU: 0 PID: 12000 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 357.105487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.105491] Call Trace: [ 357.117455] dump_stack+0x113/0x167 [ 357.121080] should_fail.cold.4+0x5/0x13 [ 357.125142] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 357.130239] ? lock_downgrade+0x7f0/0x7f0 [ 357.134384] ? ___might_sleep+0x16b/0x270 [ 357.138525] __should_failslab+0xba/0xf0 [ 357.138534] should_failslab+0x9/0x14 [ 357.138539] kmem_cache_alloc_node+0x270/0x730 [ 357.138546] ? find_held_lock+0x36/0x1d0 [ 357.138558] __alloc_skb+0xa7/0x570 [ 357.138566] ? skb_scrub_packet+0x3a0/0x3a0 [ 357.138581] _sctp_make_chunk+0x3f/0x260 [ 357.138590] sctp_make_datafrag_empty+0x159/0x260 [ 357.138597] ? sctp_make_ecne+0xf0/0xf0 [ 357.138607] ? process_measurement+0x805/0x14b0 [ 357.138617] sctp_datamsg_from_user+0x4d7/0xf30 [ 357.138625] ? mark_held_locks+0x130/0x130 [ 357.163008] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 357.171883] ? find_held_lock+0x36/0x1d0 [ 357.198072] ? sctp_clear_owner_w+0xf0/0xf0 [ 357.202390] ? lock_sock_nested+0xc5/0x100 [ 357.206623] ? lockdep_hardirqs_on+0x421/0x5c0 [ 357.211215] ? __local_bh_enable_ip+0x160/0x260 [ 357.215642] FAULT_INJECTION: forcing a failure. [ 357.215642] name failslab, interval 1, probability 0, space 0, times 0 [ 357.215879] ? lock_sock_nested+0x82/0x100 [ 357.231274] ? trace_hardirqs_on+0x28/0x190 [ 357.235591] ? lock_sock_nested+0x82/0x100 [ 357.239812] ? lock_sock_nested+0x82/0x100 [ 357.244038] ? __local_bh_enable_ip+0x160/0x260 [ 357.248699] sctp_sendmsg+0xb80/0x1710 [ 357.252584] ? sctp_id2assoc+0x250/0x250 [ 357.256643] ? ___might_sleep+0x16b/0x270 [ 357.260792] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 357.265732] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 357.270662] inet_sendmsg+0x108/0x440 [ 357.274462] ? security_socket_sendmsg+0x4a/0x90 [ 357.279218] ? ipip_gro_receive+0xf0/0xf0 [ 357.283362] sock_sendmsg+0xb5/0xf0 [ 357.286980] sock_write_iter+0x1e9/0x3d0 [ 357.291035] ? sock_sendmsg+0xf0/0xf0 [ 357.294835] __vfs_write+0x4a3/0x970 [ 357.298570] ? lock_downgrade+0x7f0/0x7f0 [ 357.302721] ? kernel_read+0x130/0x130 [ 357.304186] FAULT_INJECTION: forcing a failure. [ 357.304186] name fail_futex, interval 1, probability 0, space 0, times 0 [ 357.306603] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 357.322874] ? apparmor_file_permission+0x15/0x20 [ 357.327727] ? rw_verify_area+0xb8/0x2b0 [ 357.331786] vfs_write+0x150/0x4e0 [ 357.335327] ksys_write+0xcd/0x1b0 [ 357.338867] ? __ia32_sys_read+0xa0/0xa0 [ 357.342919] ? do_syscall_64+0x21/0x4d0 [ 357.346975] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.352429] __x64_sys_write+0x6e/0xb0 [ 357.356317] do_syscall_64+0xd0/0x4d0 [ 357.360115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.365303] RIP: 0033:0x4592c9 [ 357.368497] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 357.387392] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 357.395095] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 357.402360] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 357.409620] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 357.416880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 357.424141] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 357.431417] CPU: 1 PID: 12013 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 357.438610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.439061] FAULT_INJECTION: forcing a failure. [ 357.439061] name failslab, interval 1, probability 0, space 0, times 0 [ 357.447957] Call Trace: [ 357.447971] dump_stack+0x113/0x167 [ 357.447984] should_fail.cold.4+0x5/0x13 [ 357.447992] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 357.448000] ? _raw_spin_unlock+0x2c/0x50 [ 357.448008] ? free_one_page+0x985/0xf30 [ 357.448018] get_futex_key+0x19e/0x1030 [ 357.448024] ? trace_hardirqs_on+0x28/0x190 [ 357.490943] ? futex_lock_pi_atomic+0x200/0x200 [ 357.495608] ? __free_pages+0x7f/0xb0 [ 357.499402] ? check_noncircular+0x20/0x20 [ 357.503634] ? finish_task_switch+0x486/0x6d0 [ 357.508123] futex_wake+0xcb/0x590 [ 357.511660] ? get_futex_key+0x1030/0x1030 [ 357.515887] ? __lock_acquire+0x5d6/0x4760 [ 357.520113] do_futex+0x59a/0x1800 [ 357.523640] ? __lock_acquire+0x5d6/0x4760 [ 357.527889] ? mark_held_locks+0x130/0x130 [ 357.532119] ? exit_robust_list+0x1b0/0x1b0 [ 357.536447] ? mark_held_locks+0x130/0x130 [ 357.540676] ? find_held_lock+0x36/0x1d0 [ 357.544732] ? find_held_lock+0x36/0x1d0 [ 357.548790] ? __might_fault+0xf1/0x1b0 [ 357.552760] ? lock_downgrade+0x7f0/0x7f0 [ 357.556909] mm_release+0x2da/0x410 [ 357.560527] do_exit+0x388/0x2ba0 [ 357.563972] ? inet_sendmsg+0x108/0x440 [ 357.567934] ? security_socket_sendmsg+0x4a/0x90 [ 357.572687] ? mm_update_next_owner+0x680/0x680 [ 357.577356] ? find_held_lock+0x36/0x1d0 [ 357.581451] ? get_signal+0x584/0x11d0 [ 357.585335] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.589827] ? get_signal+0x584/0x11d0 [ 357.593715] do_group_exit+0xf4/0x2f0 [ 357.597515] get_signal+0x532/0x11d0 [ 357.601237] do_signal+0x87/0x1930 [ 357.604787] ? rw_verify_area+0xb8/0x2b0 [ 357.608854] ? setup_sigcontext+0x7d0/0x7d0 [ 357.613206] ? kasan_check_write+0x14/0x20 [ 357.617436] ? fput+0x18/0x120 [ 357.620621] ? ksys_write+0x157/0x1b0 [ 357.624682] ? lockdep_hardirqs_on+0x421/0x5c0 [ 357.629261] ? exit_to_usermode_loop+0x3a/0x200 [ 357.633929] ? trace_hardirqs_on+0x28/0x190 [ 357.638084] FAULT_INJECTION: forcing a failure. [ 357.638084] name failslab, interval 1, probability 0, space 0, times 0 [ 357.638276] exit_to_usermode_loop+0x114/0x200 [ 357.638286] do_syscall_64+0x407/0x4d0 [ 357.638297] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.638302] RIP: 0033:0x4592c9 [ 357.638309] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 357.638312] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 357.638318] RAX: ffffffffffffffe0 RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 357.638322] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 357.707366] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 357.714628] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 357.721886] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 357.730100] CPU: 0 PID: 12016 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 357.731024] FAULT_INJECTION: forcing a failure. [ 357.731024] name failslab, interval 1, probability 0, space 0, times 0 [ 357.737285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.737288] Call Trace: [ 357.737307] dump_stack+0x113/0x167 [ 357.737319] should_fail.cold.4+0x5/0x13 [ 357.737326] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 357.737333] ? lock_downgrade+0x7f0/0x7f0 [ 357.737341] ? ___might_sleep+0x16b/0x270 [ 357.737351] __should_failslab+0xba/0xf0 [ 357.737358] should_failslab+0x9/0x14 [ 357.737363] kmem_cache_alloc_node+0x270/0x730 [ 357.737369] ? find_held_lock+0x36/0x1d0 [ 357.737381] __alloc_skb+0xa7/0x570 [ 357.737388] ? skb_scrub_packet+0x3a0/0x3a0 [ 357.737401] _sctp_make_chunk+0x3f/0x260 [ 357.737410] sctp_make_datafrag_empty+0x159/0x260 [ 357.737417] ? sctp_make_ecne+0xf0/0xf0 [ 357.737426] ? process_measurement+0x805/0x14b0 [ 357.737435] sctp_datamsg_from_user+0x4d7/0xf30 [ 357.757974] ? mark_held_locks+0x130/0x130 [ 357.757988] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 357.757995] ? find_held_lock+0x36/0x1d0 [ 357.758005] ? sctp_clear_owner_w+0xf0/0xf0 [ 357.789401] ? lock_sock_nested+0xc5/0x100 [ 357.789409] ? lockdep_hardirqs_on+0x421/0x5c0 [ 357.789415] ? __local_bh_enable_ip+0x160/0x260 [ 357.789420] ? lock_sock_nested+0x82/0x100 [ 357.862848] ? trace_hardirqs_on+0x28/0x190 [ 357.867173] ? lock_sock_nested+0x82/0x100 [ 357.871396] ? lock_sock_nested+0x82/0x100 [ 357.875625] ? __local_bh_enable_ip+0x160/0x260 [ 357.880289] sctp_sendmsg+0xb80/0x1710 [ 357.884878] ? sctp_id2assoc+0x250/0x250 [ 357.888945] ? ___might_sleep+0x16b/0x270 [ 357.893085] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 357.898016] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 357.902940] inet_sendmsg+0x108/0x440 [ 357.906731] ? security_socket_sendmsg+0x4a/0x90 [ 357.911475] ? ipip_gro_receive+0xf0/0xf0 [ 357.915614] sock_sendmsg+0xb5/0xf0 [ 357.919232] sock_write_iter+0x1e9/0x3d0 [ 357.923284] ? sock_sendmsg+0xf0/0xf0 [ 357.927095] __vfs_write+0x4a3/0x970 [ 357.930806] ? lock_downgrade+0x7f0/0x7f0 [ 357.934947] ? kernel_read+0x130/0x130 [ 357.938828] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 357.943753] ? apparmor_file_permission+0x15/0x20 [ 357.948587] ? rw_verify_area+0xb8/0x2b0 [ 357.952663] vfs_write+0x150/0x4e0 [ 357.956232] ksys_write+0xcd/0x1b0 [ 357.959761] ? __ia32_sys_read+0xa0/0xa0 [ 357.963815] ? do_syscall_64+0x21/0x4d0 [ 357.967785] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.973142] __x64_sys_write+0x6e/0xb0 [ 357.977027] do_syscall_64+0xd0/0x4d0 [ 357.980845] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.986029] RIP: 0033:0x4592c9 [ 357.989216] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 358.008107] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 358.015801] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 358.023061] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 358.030319] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 358.037576] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 358.044840] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 358.052119] CPU: 1 PID: 11997 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 358.059312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.068659] Call Trace: [ 358.071243] dump_stack+0x113/0x167 [ 358.074872] should_fail.cold.4+0x5/0x13 [ 358.078930] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 358.084031] ? lock_downgrade+0x7f0/0x7f0 [ 358.088195] ? ___might_sleep+0x16b/0x270 [ 358.092340] __should_failslab+0xba/0xf0 [ 358.096398] should_failslab+0x9/0x14 [ 358.100191] kmem_cache_alloc_node+0x270/0x730 [ 358.104766] ? find_held_lock+0x36/0x1d0 [ 358.108826] __alloc_skb+0xa7/0x570 [ 358.112444] ? skb_scrub_packet+0x3a0/0x3a0 [ 358.116760] _sctp_make_chunk+0x3f/0x260 [ 358.120824] sctp_make_datafrag_empty+0x159/0x260 [ 358.125655] ? sctp_make_ecne+0xf0/0xf0 [ 358.129624] ? process_measurement+0x805/0x14b0 [ 358.134287] sctp_datamsg_from_user+0x4d7/0xf30 [ 358.138954] ? mark_held_locks+0x130/0x130 [ 358.143192] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 358.147799] ? find_held_lock+0x36/0x1d0 [ 358.151866] ? sctp_clear_owner_w+0xf0/0xf0 [ 358.156176] ? lock_sock_nested+0xc5/0x100 [ 358.160405] ? lockdep_hardirqs_on+0x421/0x5c0 [ 358.164980] ? __local_bh_enable_ip+0x160/0x260 [ 358.169650] ? lock_sock_nested+0x82/0x100 [ 358.173880] ? trace_hardirqs_on+0x28/0x190 [ 358.178193] ? lock_sock_nested+0x82/0x100 [ 358.182510] ? __local_bh_enable_ip+0x160/0x260 [ 358.187175] sctp_sendmsg+0xb80/0x1710 [ 358.191057] ? sctp_id2assoc+0x250/0x250 [ 358.195112] ? ___might_sleep+0x16b/0x270 [ 358.199257] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.204181] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 358.209100] inet_sendmsg+0x108/0x440 [ 358.212896] ? security_socket_sendmsg+0x4a/0x90 [ 358.217642] ? ipip_gro_receive+0xf0/0xf0 [ 358.221782] sock_sendmsg+0xb5/0xf0 [ 358.225403] sock_write_iter+0x1e9/0x3d0 [ 358.229463] ? sock_sendmsg+0xf0/0xf0 [ 358.233263] __vfs_write+0x4a3/0x970 [ 358.236972] ? lock_downgrade+0x7f0/0x7f0 [ 358.241112] ? kernel_read+0x130/0x130 [ 358.244989] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.249910] ? apparmor_file_permission+0x15/0x20 [ 358.254744] ? rw_verify_area+0xb8/0x2b0 [ 358.258802] vfs_write+0x150/0x4e0 [ 358.262337] ksys_write+0xcd/0x1b0 [ 358.265866] ? __ia32_sys_read+0xa0/0xa0 [ 358.269916] ? do_syscall_64+0x21/0x4d0 [ 358.273881] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.279241] __x64_sys_write+0x6e/0xb0 [ 358.283122] do_syscall_64+0xd0/0x4d0 [ 358.286914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.292090] RIP: 0033:0x4592c9 [ 358.295296] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 358.314186] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 358.321879] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 358.329148] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 358.336402] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 358.343666] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 358.350925] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 358.358197] CPU: 0 PID: 12014 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 358.365413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.374752] Call Trace: [ 358.374765] dump_stack+0x113/0x167 [ 358.374776] should_fail.cold.4+0x5/0x13 [ 358.374784] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 358.374791] ? lock_downgrade+0x7f0/0x7f0 [ 358.374798] ? ___might_sleep+0x16b/0x270 [ 358.374809] __should_failslab+0xba/0xf0 [ 358.374816] should_failslab+0x9/0x14 [ 358.406217] kmem_cache_alloc_node+0x270/0x730 [ 358.410813] ? find_held_lock+0x36/0x1d0 [ 358.414876] __alloc_skb+0xa7/0x570 [ 358.418495] ? skb_scrub_packet+0x3a0/0x3a0 [ 358.422821] _sctp_make_chunk+0x3f/0x260 [ 358.426881] sctp_make_datafrag_empty+0x159/0x260 [ 358.431721] ? sctp_make_ecne+0xf0/0xf0 [ 358.435690] ? process_measurement+0x805/0x14b0 [ 358.440352] sctp_datamsg_from_user+0x4d7/0xf30 [ 358.445017] ? mark_held_locks+0x130/0x130 [ 358.449417] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 358.453988] ? find_held_lock+0x36/0x1d0 [ 358.458042] ? sctp_clear_owner_w+0xf0/0xf0 [ 358.462369] ? lock_sock_nested+0xc5/0x100 [ 358.466603] ? lockdep_hardirqs_on+0x421/0x5c0 [ 358.471199] ? __local_bh_enable_ip+0x160/0x260 [ 358.475861] ? lock_sock_nested+0x82/0x100 [ 358.480112] ? trace_hardirqs_on+0x28/0x190 [ 358.484426] ? lock_sock_nested+0x82/0x100 [ 358.488660] ? lock_sock_nested+0x82/0x100 [ 358.492886] ? __local_bh_enable_ip+0x160/0x260 [ 358.497546] sctp_sendmsg+0xb80/0x1710 [ 358.501430] ? sctp_id2assoc+0x250/0x250 [ 358.505482] ? ___might_sleep+0x16b/0x270 [ 358.509637] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.514562] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 358.519485] inet_sendmsg+0x108/0x440 [ 358.523279] ? security_socket_sendmsg+0x4a/0x90 [ 358.528028] ? ipip_gro_receive+0xf0/0xf0 [ 358.532169] sock_sendmsg+0xb5/0xf0 [ 358.535787] sock_write_iter+0x1e9/0x3d0 [ 358.539851] ? sock_sendmsg+0xf0/0xf0 [ 358.543657] __vfs_write+0x4a3/0x970 [ 358.547366] ? lock_downgrade+0x7f0/0x7f0 [ 358.551506] ? kernel_read+0x130/0x130 [ 358.555387] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.560325] ? apparmor_file_permission+0x15/0x20 [ 358.565167] ? rw_verify_area+0xb8/0x2b0 [ 358.569218] vfs_write+0x150/0x4e0 [ 358.569227] ksys_write+0xcd/0x1b0 [ 358.569233] ? __ia32_sys_read+0xa0/0xa0 [ 358.569241] ? do_syscall_64+0x21/0x4d0 [ 358.569250] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.569258] __x64_sys_write+0x6e/0xb0 [ 358.569264] do_syscall_64+0xd0/0x4d0 [ 358.569271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.569276] RIP: 0033:0x4592c9 [ 358.569283] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 358.569286] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 358.569299] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 358.569303] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 358.646811] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 358.654073] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 358.661332] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 358.668608] CPU: 1 PID: 12011 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 358.675805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.685169] Call Trace: [ 358.687766] dump_stack+0x113/0x167 [ 358.691382] should_fail.cold.4+0x5/0x13 [ 358.695516] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 358.700603] ? lock_downgrade+0x7f0/0x7f0 [ 358.704737] ? ___might_sleep+0x16b/0x270 [ 358.708876] __should_failslab+0xba/0xf0 [ 358.712924] should_failslab+0x9/0x14 [ 358.716730] kmem_cache_alloc_node+0x270/0x730 [ 358.721303] ? find_held_lock+0x36/0x1d0 [ 358.725355] __alloc_skb+0xa7/0x570 [ 358.728978] ? skb_scrub_packet+0x3a0/0x3a0 [ 358.733289] _sctp_make_chunk+0x3f/0x260 [ 358.737336] sctp_make_datafrag_empty+0x159/0x260 [ 358.742178] ? sctp_make_ecne+0xf0/0xf0 [ 358.746142] ? process_measurement+0x805/0x14b0 [ 358.752994] sctp_datamsg_from_user+0x4d7/0xf30 [ 358.759934] ? mark_held_locks+0x130/0x130 [ 358.764158] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 358.768730] ? find_held_lock+0x36/0x1d0 [ 358.772784] ? sctp_clear_owner_w+0xf0/0xf0 [ 358.777093] ? lock_sock_nested+0xc5/0x100 [ 358.781314] ? lockdep_hardirqs_on+0x421/0x5c0 [ 358.785881] ? __local_bh_enable_ip+0x160/0x260 [ 358.790573] ? lock_sock_nested+0x82/0x100 [ 358.794798] ? trace_hardirqs_on+0x28/0x190 [ 358.799276] ? lock_sock_nested+0x82/0x100 [ 358.803493] ? lock_sock_nested+0x82/0x100 [ 358.807719] ? __local_bh_enable_ip+0x160/0x260 [ 358.812386] sctp_sendmsg+0xb80/0x1710 [ 358.816265] ? sctp_id2assoc+0x250/0x250 [ 358.820330] ? ___might_sleep+0x16b/0x270 [ 358.824489] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.829412] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 358.834356] inet_sendmsg+0x108/0x440 [ 358.838148] ? security_socket_sendmsg+0x4a/0x90 [ 358.842888] ? ipip_gro_receive+0xf0/0xf0 [ 358.847024] sock_sendmsg+0xb5/0xf0 [ 358.850638] sock_write_iter+0x1e9/0x3d0 [ 358.854686] ? sock_sendmsg+0xf0/0xf0 [ 358.858483] __vfs_write+0x4a3/0x970 [ 358.863639] ? lock_downgrade+0x7f0/0x7f0 [ 358.867774] ? kernel_read+0x130/0x130 [ 358.871650] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 358.885605] ? apparmor_file_permission+0x15/0x20 [ 358.890960] ? rw_verify_area+0xb8/0x2b0 [ 358.895005] vfs_write+0x150/0x4e0 [ 358.898537] ksys_write+0xcd/0x1b0 [ 358.902061] ? __ia32_sys_read+0xa0/0xa0 [ 358.906106] ? do_syscall_64+0x21/0x4d0 [ 358.910082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.915442] __x64_sys_write+0x6e/0xb0 [ 358.919316] do_syscall_64+0xd0/0x4d0 [ 358.923107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.928282] RIP: 0033:0x4592c9 [ 358.931632] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 358.950517] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 358.958208] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 358.965463] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 358.972715] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 358.979971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 358.987237] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 359.007826] CPU: 1 PID: 12002 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 359.015034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.024388] Call Trace: [ 359.026976] dump_stack+0x113/0x167 [ 359.030609] should_fail.cold.4+0x5/0x13 [ 359.034674] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 359.039389] FAULT_INJECTION: forcing a failure. [ 359.039389] name failslab, interval 1, probability 0, space 0, times 0 [ 359.039781] ? lock_downgrade+0x7f0/0x7f0 [ 359.055100] ? ___might_sleep+0x16b/0x270 [ 359.059252] __should_failslab+0xba/0xf0 [ 359.063305] should_failslab+0x9/0x14 [ 359.067095] kmem_cache_alloc_node+0x270/0x730 [ 359.071668] ? find_held_lock+0x36/0x1d0 [ 359.075723] __alloc_skb+0xa7/0x570 [ 359.079346] ? skb_scrub_packet+0x3a0/0x3a0 [ 359.083669] _sctp_make_chunk+0x3f/0x260 [ 359.087729] sctp_make_datafrag_empty+0x159/0x260 [ 359.092568] ? sctp_make_ecne+0xf0/0xf0 [ 359.096547] ? process_measurement+0x805/0x14b0 [ 359.101219] sctp_datamsg_from_user+0x4d7/0xf30 [ 359.105884] ? mark_held_locks+0x130/0x130 [ 359.110118] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 359.114699] ? find_held_lock+0x36/0x1d0 [ 359.118755] ? sctp_clear_owner_w+0xf0/0xf0 [ 359.123076] ? lock_sock_nested+0xc5/0x100 [ 359.127299] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.131962] ? __local_bh_enable_ip+0x160/0x260 [ 359.136618] ? lock_sock_nested+0x82/0x100 [ 359.140841] ? trace_hardirqs_on+0x28/0x190 [ 359.145159] ? lock_sock_nested+0x82/0x100 [ 359.149392] ? lock_sock_nested+0x82/0x100 [ 359.153620] ? __local_bh_enable_ip+0x160/0x260 [ 359.158286] sctp_sendmsg+0xb80/0x1710 [ 359.162172] ? sctp_id2assoc+0x250/0x250 [ 359.166226] ? ___might_sleep+0x16b/0x270 [ 359.170379] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.175311] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 359.180248] inet_sendmsg+0x108/0x440 [ 359.184046] ? security_socket_sendmsg+0x4a/0x90 [ 359.188801] ? ipip_gro_receive+0xf0/0xf0 [ 359.192942] sock_sendmsg+0xb5/0xf0 [ 359.196565] sock_write_iter+0x1e9/0x3d0 [ 359.200705] ? sock_sendmsg+0xf0/0xf0 [ 359.204507] __vfs_write+0x4a3/0x970 [ 359.208220] ? lock_downgrade+0x7f0/0x7f0 [ 359.212356] ? kernel_read+0x130/0x130 [ 359.216258] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.221210] ? apparmor_file_permission+0x15/0x20 [ 359.226048] ? rw_verify_area+0xb8/0x2b0 [ 359.230104] vfs_write+0x150/0x4e0 [ 359.233639] ksys_write+0xcd/0x1b0 [ 359.237169] ? __ia32_sys_read+0xa0/0xa0 [ 359.241235] ? do_syscall_64+0x21/0x4d0 [ 359.245203] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.250563] __x64_sys_write+0x6e/0xb0 [ 359.254440] do_syscall_64+0xd0/0x4d0 [ 359.258238] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.263426] RIP: 0033:0x4592c9 [ 359.266607] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 359.285504] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 359.293210] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 359.300466] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 359.307724] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 359.314980] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 359.322243] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 359.329698] CPU: 0 PID: 12022 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 359.336891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.346332] Call Trace: [ 359.348921] dump_stack+0x113/0x167 [ 359.352555] should_fail.cold.4+0x5/0x13 [ 359.356620] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 359.361725] ? lock_downgrade+0x7f0/0x7f0 2019/06/15 21:33:55 executed programs: 1254 [ 359.365871] ? ___might_sleep+0x16b/0x270 [ 359.370038] __should_failslab+0xba/0xf0 [ 359.374101] should_failslab+0x9/0x14 [ 359.377902] kmem_cache_alloc_node+0x270/0x730 [ 359.377910] ? find_held_lock+0x36/0x1d0 [ 359.377923] __alloc_skb+0xa7/0x570 [ 359.377930] ? skb_scrub_packet+0x3a0/0x3a0 [ 359.377944] _sctp_make_chunk+0x3f/0x260 [ 359.377953] sctp_make_datafrag_empty+0x159/0x260 [ 359.377960] ? sctp_make_ecne+0xf0/0xf0 [ 359.377970] ? process_measurement+0x805/0x14b0 [ 359.377979] sctp_datamsg_from_user+0x4d7/0xf30 [ 359.377988] ? mark_held_locks+0x130/0x130 [ 359.378000] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 359.378007] ? find_held_lock+0x36/0x1d0 [ 359.386641] ? sctp_clear_owner_w+0xf0/0xf0 [ 359.433872] ? lock_sock_nested+0xc5/0x100 [ 359.438107] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.442686] ? __local_bh_enable_ip+0x160/0x260 [ 359.447352] ? lock_sock_nested+0x82/0x100 [ 359.451586] ? trace_hardirqs_on+0x28/0x190 [ 359.455907] ? lock_sock_nested+0x82/0x100 [ 359.460136] ? lock_sock_nested+0x82/0x100 [ 359.464378] ? __local_bh_enable_ip+0x160/0x260 [ 359.465981] FAULT_INJECTION: forcing a failure. [ 359.465981] name failslab, interval 1, probability 0, space 0, times 0 [ 359.469043] sctp_sendmsg+0xb80/0x1710 [ 359.469055] ? sctp_id2assoc+0x250/0x250 [ 359.469063] ? ___might_sleep+0x16b/0x270 [ 359.469074] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.469088] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 359.469097] inet_sendmsg+0x108/0x440 [ 359.469104] ? security_socket_sendmsg+0x4a/0x90 [ 359.469109] ? ipip_gro_receive+0xf0/0xf0 [ 359.469117] sock_sendmsg+0xb5/0xf0 [ 359.469124] sock_write_iter+0x1e9/0x3d0 [ 359.469132] ? sock_sendmsg+0xf0/0xf0 [ 359.469147] __vfs_write+0x4a3/0x970 [ 359.469153] ? lock_downgrade+0x7f0/0x7f0 [ 359.469159] ? kernel_read+0x130/0x130 [ 359.538102] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.543036] ? apparmor_file_permission+0x15/0x20 [ 359.547873] ? rw_verify_area+0xb8/0x2b0 [ 359.551924] vfs_write+0x150/0x4e0 [ 359.555457] ksys_write+0xcd/0x1b0 [ 359.558987] ? __ia32_sys_read+0xa0/0xa0 [ 359.563041] ? do_syscall_64+0x21/0x4d0 [ 359.567004] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.572395] __x64_sys_write+0x6e/0xb0 [ 359.576278] do_syscall_64+0xd0/0x4d0 [ 359.580075] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.585253] RIP: 0033:0x4592c9 [ 359.588434] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 359.607325] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 359.615039] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 359.622312] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 359.629585] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 359.636853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 359.644114] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 359.651396] CPU: 1 PID: 12027 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 359.658682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.668114] Call Trace: [ 359.670700] dump_stack+0x113/0x167 [ 359.674334] should_fail.cold.4+0x5/0x13 [ 359.678412] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 359.683514] ? lock_downgrade+0x7f0/0x7f0 [ 359.687663] ? ___might_sleep+0x16b/0x270 [ 359.691821] __should_failslab+0xba/0xf0 [ 359.695880] should_failslab+0x9/0x14 [ 359.699677] kmem_cache_alloc_node+0x270/0x730 [ 359.704261] ? find_held_lock+0x36/0x1d0 [ 359.708320] __alloc_skb+0xa7/0x570 [ 359.711943] ? skb_scrub_packet+0x3a0/0x3a0 [ 359.716272] _sctp_make_chunk+0x3f/0x260 [ 359.720337] sctp_make_datafrag_empty+0x159/0x260 [ 359.725177] ? sctp_make_ecne+0xf0/0xf0 [ 359.730082] ? process_measurement+0x805/0x14b0 [ 359.734751] sctp_datamsg_from_user+0x4d7/0xf30 [ 359.739424] ? mark_held_locks+0x130/0x130 [ 359.743669] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 359.748057] FAULT_INJECTION: forcing a failure. [ 359.748057] name failslab, interval 1, probability 0, space 0, times 0 [ 359.748242] ? find_held_lock+0x36/0x1d0 [ 359.760372] FAULT_INJECTION: forcing a failure. [ 359.760372] name failslab, interval 1, probability 0, space 0, times 0 [ 359.763468] ? sctp_clear_owner_w+0xf0/0xf0 [ 359.763476] ? lock_sock_nested+0xc5/0x100 [ 359.763483] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.763490] ? __local_bh_enable_ip+0x160/0x260 [ 359.763494] ? lock_sock_nested+0x82/0x100 [ 359.763500] ? trace_hardirqs_on+0x28/0x190 [ 359.763505] ? lock_sock_nested+0x82/0x100 [ 359.805159] ? lock_sock_nested+0x82/0x100 [ 359.809392] ? __local_bh_enable_ip+0x160/0x260 [ 359.814064] sctp_sendmsg+0xb80/0x1710 [ 359.817948] ? sctp_id2assoc+0x250/0x250 [ 359.822005] ? ___might_sleep+0x16b/0x270 [ 359.826147] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.831076] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 359.835998] inet_sendmsg+0x108/0x440 [ 359.839790] ? security_socket_sendmsg+0x4a/0x90 [ 359.844545] ? ipip_gro_receive+0xf0/0xf0 [ 359.848689] sock_sendmsg+0xb5/0xf0 [ 359.852335] sock_write_iter+0x1e9/0x3d0 [ 359.856387] ? sock_sendmsg+0xf0/0xf0 [ 359.860645] __vfs_write+0x4a3/0x970 [ 359.864350] ? lock_downgrade+0x7f0/0x7f0 [ 359.868521] ? kernel_read+0x130/0x130 [ 359.872401] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 359.877329] ? apparmor_file_permission+0x15/0x20 [ 359.882169] ? rw_verify_area+0xb8/0x2b0 [ 359.886225] vfs_write+0x150/0x4e0 [ 359.889785] ksys_write+0xcd/0x1b0 [ 359.893319] ? __ia32_sys_read+0xa0/0xa0 [ 359.897461] ? do_syscall_64+0x21/0x4d0 [ 359.901428] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.906781] __x64_sys_write+0x6e/0xb0 [ 359.910663] do_syscall_64+0xd0/0x4d0 [ 359.914458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.919639] RIP: 0033:0x4592c9 [ 359.923344] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 359.942238] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 359.949937] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 359.957195] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 359.964453] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 359.971714] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 359.978975] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 359.986250] CPU: 0 PID: 12035 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 359.993441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.993445] Call Trace: [ 360.005370] dump_stack+0x113/0x167 [ 360.009001] should_fail.cold.4+0x5/0x13 [ 360.013069] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 360.018168] ? lock_downgrade+0x7f0/0x7f0 [ 360.022312] ? ___might_sleep+0x16b/0x270 [ 360.026457] __should_failslab+0xba/0xf0 [ 360.030509] should_failslab+0x9/0x14 [ 360.034302] kmem_cache_alloc_node+0x270/0x730 [ 360.038872] ? find_held_lock+0x36/0x1d0 [ 360.038885] __alloc_skb+0xa7/0x570 [ 360.038892] ? skb_scrub_packet+0x3a0/0x3a0 [ 360.038906] _sctp_make_chunk+0x3f/0x260 [ 360.038914] sctp_make_datafrag_empty+0x159/0x260 [ 360.038921] ? sctp_make_ecne+0xf0/0xf0 [ 360.038930] ? process_measurement+0x805/0x14b0 [ 360.038940] sctp_datamsg_from_user+0x4d7/0xf30 [ 360.038948] ? mark_held_locks+0x130/0x130 [ 360.038959] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 360.038966] ? find_held_lock+0x36/0x1d0 [ 360.046635] ? sctp_clear_owner_w+0xf0/0xf0 [ 360.059809] ? lock_sock_nested+0xc5/0x100 [ 360.059816] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.059822] ? __local_bh_enable_ip+0x160/0x260 [ 360.059827] ? lock_sock_nested+0x82/0x100 [ 360.059832] ? trace_hardirqs_on+0x28/0x190 [ 360.059836] ? lock_sock_nested+0x82/0x100 [ 360.059842] ? lock_sock_nested+0x82/0x100 [ 360.068467] ? __local_bh_enable_ip+0x160/0x260 [ 360.068478] sctp_sendmsg+0xb80/0x1710 [ 360.068490] ? sctp_id2assoc+0x250/0x250 [ 360.068497] ? ___might_sleep+0x16b/0x270 [ 360.068508] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 360.068521] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 360.068530] inet_sendmsg+0x108/0x440 [ 360.068536] ? security_socket_sendmsg+0x4a/0x90 [ 360.068542] ? ipip_gro_receive+0xf0/0xf0 [ 360.068550] sock_sendmsg+0xb5/0xf0 [ 360.068557] sock_write_iter+0x1e9/0x3d0 [ 360.068564] ? sock_sendmsg+0xf0/0xf0 [ 360.077451] __vfs_write+0x4a3/0x970 [ 360.077458] ? lock_downgrade+0x7f0/0x7f0 [ 360.077464] ? kernel_read+0x130/0x130 [ 360.077471] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 360.077481] ? apparmor_file_permission+0x15/0x20 [ 360.077490] ? rw_verify_area+0xb8/0x2b0 [ 360.077498] vfs_write+0x150/0x4e0 [ 360.077506] ksys_write+0xcd/0x1b0 [ 360.077513] ? __ia32_sys_read+0xa0/0xa0 [ 360.077521] ? do_syscall_64+0x21/0x4d0 [ 360.090447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.090458] __x64_sys_write+0x6e/0xb0 [ 360.090467] do_syscall_64+0xd0/0x4d0 [ 360.116654] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.230377] RIP: 0033:0x4592c9 [ 360.233565] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 360.252460] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 360.260420] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 360.260424] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 360.260427] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 360.260430] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 360.260434] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 360.305811] CPU: 1 PID: 12034 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 360.313010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.322367] Call Trace: [ 360.324953] dump_stack+0x113/0x167 [ 360.328586] should_fail.cold.4+0x5/0x13 [ 360.332646] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 360.337742] ? lock_downgrade+0x7f0/0x7f0 [ 360.341888] ? ___might_sleep+0x16b/0x270 [ 360.344654] FAULT_INJECTION: forcing a failure. [ 360.344654] name failslab, interval 1, probability 0, space 0, times 0 [ 360.346033] __should_failslab+0xba/0xf0 [ 360.346041] should_failslab+0x9/0x14 [ 360.346046] kmem_cache_alloc_node+0x270/0x730 [ 360.346054] ? find_held_lock+0x36/0x1d0 [ 360.346066] __alloc_skb+0xa7/0x570 [ 360.346073] ? skb_scrub_packet+0x3a0/0x3a0 [ 360.361382] FAULT_INJECTION: forcing a failure. [ 360.361382] name fail_futex, interval 1, probability 0, space 0, times 0 [ 360.393038] _sctp_make_chunk+0x3f/0x260 [ 360.397097] sctp_make_datafrag_empty+0x159/0x260 [ 360.401958] ? sctp_make_ecne+0xf0/0xf0 [ 360.405928] ? process_measurement+0x805/0x14b0 [ 360.410590] sctp_datamsg_from_user+0x4d7/0xf30 [ 360.415250] ? mark_held_locks+0x130/0x130 [ 360.419500] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 360.424082] ? find_held_lock+0x36/0x1d0 [ 360.428140] ? sctp_clear_owner_w+0xf0/0xf0 [ 360.432454] ? lock_sock_nested+0xc5/0x100 [ 360.436677] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.441245] ? __local_bh_enable_ip+0x160/0x260 [ 360.445899] ? lock_sock_nested+0x82/0x100 [ 360.450128] ? trace_hardirqs_on+0x28/0x190 [ 360.454435] ? lock_sock_nested+0x82/0x100 [ 360.458657] ? lock_sock_nested+0x82/0x100 [ 360.462881] ? __local_bh_enable_ip+0x160/0x260 [ 360.467548] sctp_sendmsg+0xb80/0x1710 [ 360.471427] ? sctp_id2assoc+0x250/0x250 [ 360.475480] ? ___might_sleep+0x16b/0x270 [ 360.479623] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 360.484552] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 360.489475] inet_sendmsg+0x108/0x440 [ 360.493262] ? security_socket_sendmsg+0x4a/0x90 [ 360.498009] ? ipip_gro_receive+0xf0/0xf0 [ 360.502146] sock_sendmsg+0xb5/0xf0 [ 360.505761] sock_write_iter+0x1e9/0x3d0 [ 360.509814] ? sock_sendmsg+0xf0/0xf0 [ 360.513621] __vfs_write+0x4a3/0x970 [ 360.517324] ? lock_downgrade+0x7f0/0x7f0 [ 360.521466] ? kernel_read+0x130/0x130 [ 360.525345] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 360.530268] ? apparmor_file_permission+0x15/0x20 [ 360.535098] ? rw_verify_area+0xb8/0x2b0 [ 360.539150] vfs_write+0x150/0x4e0 [ 360.542680] ksys_write+0xcd/0x1b0 [ 360.546211] ? __ia32_sys_read+0xa0/0xa0 [ 360.550262] ? do_syscall_64+0x21/0x4d0 [ 360.554229] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.559582] __x64_sys_write+0x6e/0xb0 [ 360.563461] do_syscall_64+0xd0/0x4d0 [ 360.567257] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.572525] RIP: 0033:0x4592c9 [ 360.575703] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 360.594591] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 360.602461] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 360.609717] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 360.616975] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 360.624260] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 360.631519] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 360.638796] CPU: 0 PID: 12053 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 360.645988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.655332] Call Trace: [ 360.657918] dump_stack+0x113/0x167 [ 360.661544] should_fail.cold.4+0x5/0x13 [ 360.665604] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 360.670707] ? _raw_spin_unlock+0x2c/0x50 [ 360.674848] ? free_one_page+0x985/0xf30 [ 360.678914] get_futex_key+0x19e/0x1030 [ 360.682913] ? trace_hardirqs_on+0x28/0x190 [ 360.687236] ? futex_lock_pi_atomic+0x200/0x200 [ 360.691933] ? __free_pages+0x7f/0xb0 [ 360.693105] FAULT_INJECTION: forcing a failure. [ 360.693105] name failslab, interval 1, probability 0, space 0, times 0 [ 360.695728] ? check_noncircular+0x20/0x20 [ 360.695736] ? finish_task_switch+0x486/0x6d0 [ 360.695745] futex_wake+0xcb/0x590 [ 360.695752] ? get_futex_key+0x1030/0x1030 [ 360.711154] ? __lock_acquire+0x5d6/0x4760 [ 360.711165] do_futex+0x59a/0x1800 [ 360.711169] ? __lock_acquire+0x5d6/0x4760 [ 360.735350] ? mark_held_locks+0x130/0x130 [ 360.739576] ? exit_robust_list+0x1b0/0x1b0 [ 360.739582] ? mark_held_locks+0x130/0x130 [ 360.739591] ? find_held_lock+0x36/0x1d0 [ 360.739600] ? find_held_lock+0x36/0x1d0 [ 360.739610] ? __might_fault+0xf1/0x1b0 [ 360.739615] ? lock_downgrade+0x7f0/0x7f0 [ 360.739630] mm_release+0x2da/0x410 [ 360.739638] do_exit+0x388/0x2ba0 [ 360.739646] ? inet_sendmsg+0x108/0x440 [ 360.739654] ? security_socket_sendmsg+0x4a/0x90 [ 360.786159] ? mm_update_next_owner+0x680/0x680 [ 360.790822] ? find_held_lock+0x36/0x1d0 [ 360.794877] ? get_signal+0x584/0x11d0 [ 360.794887] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.794891] ? get_signal+0x584/0x11d0 [ 360.794900] do_group_exit+0xf4/0x2f0 [ 360.810921] get_signal+0x532/0x11d0 [ 360.814633] do_signal+0x87/0x1930 [ 360.818164] ? rw_verify_area+0xb8/0x2b0 [ 360.818171] ? setup_sigcontext+0x7d0/0x7d0 [ 360.818179] ? kasan_check_write+0x14/0x20 [ 360.818185] ? fput+0x18/0x120 [ 360.818191] ? ksys_write+0x157/0x1b0 [ 360.818199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.818206] ? exit_to_usermode_loop+0x3a/0x200 [ 360.818212] ? trace_hardirqs_on+0x28/0x190 [ 360.851283] exit_to_usermode_loop+0x114/0x200 [ 360.855865] do_syscall_64+0x407/0x4d0 [ 360.860509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.865677] RIP: 0033:0x4592c9 [ 360.868864] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 360.888435] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 360.896143] RAX: ffffffffffffffe0 RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 360.903405] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 360.910662] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 360.918007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 360.925263] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 360.932538] CPU: 1 PID: 12052 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 360.939729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.949077] Call Trace: [ 360.951660] dump_stack+0x113/0x167 [ 360.955284] should_fail.cold.4+0x5/0x13 [ 360.959340] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 360.964466] ? lock_downgrade+0x7f0/0x7f0 [ 360.968610] ? ___might_sleep+0x16b/0x270 [ 360.972756] __should_failslab+0xba/0xf0 [ 360.976825] should_failslab+0x9/0x14 [ 360.980623] kmem_cache_alloc_node+0x270/0x730 [ 360.985206] ? find_held_lock+0x36/0x1d0 [ 360.989268] __alloc_skb+0xa7/0x570 [ 360.992892] ? skb_scrub_packet+0x3a0/0x3a0 [ 360.997221] _sctp_make_chunk+0x3f/0x260 [ 360.999240] FAULT_INJECTION: forcing a failure. [ 360.999240] name failslab, interval 1, probability 0, space 0, times 0 [ 361.001276] sctp_make_datafrag_empty+0x159/0x260 [ 361.001284] ? sctp_make_ecne+0xf0/0xf0 [ 361.001293] ? process_measurement+0x805/0x14b0 [ 361.001304] sctp_datamsg_from_user+0x4d7/0xf30 [ 361.030586] ? mark_held_locks+0x130/0x130 [ 361.034819] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 361.039395] ? find_held_lock+0x36/0x1d0 [ 361.043449] ? sctp_clear_owner_w+0xf0/0xf0 [ 361.047789] ? lock_sock_nested+0xc5/0x100 [ 361.052023] ? lockdep_hardirqs_on+0x421/0x5c0 [ 361.057034] ? __local_bh_enable_ip+0x160/0x260 [ 361.061691] ? lock_sock_nested+0x82/0x100 [ 361.065922] ? trace_hardirqs_on+0x28/0x190 [ 361.070228] ? lock_sock_nested+0x82/0x100 [ 361.074449] ? lock_sock_nested+0x82/0x100 [ 361.078675] ? __local_bh_enable_ip+0x160/0x260 [ 361.083340] sctp_sendmsg+0xb80/0x1710 [ 361.087227] ? sctp_id2assoc+0x250/0x250 [ 361.091280] ? ___might_sleep+0x16b/0x270 [ 361.095423] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.100349] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 361.105328] inet_sendmsg+0x108/0x440 [ 361.109123] ? security_socket_sendmsg+0x4a/0x90 [ 361.113868] ? ipip_gro_receive+0xf0/0xf0 [ 361.118005] sock_sendmsg+0xb5/0xf0 [ 361.121623] sock_write_iter+0x1e9/0x3d0 [ 361.125671] ? sock_sendmsg+0xf0/0xf0 [ 361.129475] __vfs_write+0x4a3/0x970 [ 361.133181] ? lock_downgrade+0x7f0/0x7f0 [ 361.137328] ? kernel_read+0x130/0x130 [ 361.141206] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.146137] ? apparmor_file_permission+0x15/0x20 [ 361.150969] ? rw_verify_area+0xb8/0x2b0 [ 361.155024] vfs_write+0x150/0x4e0 [ 361.158557] ksys_write+0xcd/0x1b0 [ 361.162087] ? __ia32_sys_read+0xa0/0xa0 [ 361.166155] ? do_syscall_64+0x21/0x4d0 [ 361.170121] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.175481] __x64_sys_write+0x6e/0xb0 [ 361.179365] do_syscall_64+0xd0/0x4d0 [ 361.184724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.189903] RIP: 0033:0x4592c9 [ 361.193099] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 361.211996] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 361.219694] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 361.226952] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 361.234215] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 361.241481] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 361.248742] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 361.256018] CPU: 0 PID: 12059 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 361.263208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.272560] Call Trace: [ 361.275142] dump_stack+0x113/0x167 [ 361.278860] should_fail.cold.4+0x5/0x13 [ 361.282915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 361.288018] ? lock_downgrade+0x7f0/0x7f0 [ 361.292159] ? ___might_sleep+0x16b/0x270 [ 361.296308] __should_failslab+0xba/0xf0 [ 361.300363] should_failslab+0x9/0x14 [ 361.304151] kmem_cache_alloc_node+0x270/0x730 [ 361.308722] ? find_held_lock+0x36/0x1d0 [ 361.312779] __alloc_skb+0xa7/0x570 [ 361.316397] ? skb_scrub_packet+0x3a0/0x3a0 [ 361.320984] _sctp_make_chunk+0x3f/0x260 [ 361.325044] sctp_make_datafrag_empty+0x159/0x260 [ 361.329880] ? sctp_make_ecne+0xf0/0xf0 [ 361.333847] ? process_measurement+0x805/0x14b0 [ 361.338511] sctp_datamsg_from_user+0x4d7/0xf30 [ 361.343189] ? mark_held_locks+0x130/0x130 [ 361.347418] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 361.352002] ? find_held_lock+0x36/0x1d0 [ 361.356064] ? sctp_clear_owner_w+0xf0/0xf0 [ 361.360378] ? lock_sock_nested+0xc5/0x100 [ 361.364605] ? lockdep_hardirqs_on+0x421/0x5c0 [ 361.369179] ? __local_bh_enable_ip+0x160/0x260 [ 361.373843] ? lock_sock_nested+0x82/0x100 [ 361.378075] ? trace_hardirqs_on+0x28/0x190 [ 361.382386] ? lock_sock_nested+0x82/0x100 [ 361.386724] ? lock_sock_nested+0x82/0x100 [ 361.390947] ? __local_bh_enable_ip+0x160/0x260 [ 361.395610] sctp_sendmsg+0xb80/0x1710 [ 361.399497] ? sctp_id2assoc+0x250/0x250 [ 361.403550] ? ___might_sleep+0x16b/0x270 [ 361.407704] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.412641] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 361.417560] inet_sendmsg+0x108/0x440 [ 361.421349] ? security_socket_sendmsg+0x4a/0x90 [ 361.426095] ? ipip_gro_receive+0xf0/0xf0 [ 361.430235] sock_sendmsg+0xb5/0xf0 [ 361.433855] sock_write_iter+0x1e9/0x3d0 [ 361.437906] ? sock_sendmsg+0xf0/0xf0 [ 361.441707] __vfs_write+0x4a3/0x970 [ 361.445411] ? lock_downgrade+0x7f0/0x7f0 [ 361.449550] ? kernel_read+0x130/0x130 [ 361.453429] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.458363] ? apparmor_file_permission+0x15/0x20 [ 361.463202] ? rw_verify_area+0xb8/0x2b0 [ 361.467269] vfs_write+0x150/0x4e0 [ 361.470803] ksys_write+0xcd/0x1b0 [ 361.474338] ? __ia32_sys_read+0xa0/0xa0 [ 361.478389] ? do_syscall_64+0x21/0x4d0 [ 361.482360] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.487717] __x64_sys_write+0x6e/0xb0 [ 361.491599] do_syscall_64+0xd0/0x4d0 [ 361.495478] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.500661] RIP: 0033:0x4592c9 [ 361.503899] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 361.522877] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 361.522885] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 361.522888] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 361.522891] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 361.522894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 361.522897] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 361.533364] CPU: 0 PID: 12054 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 361.574405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.583789] Call Trace: [ 361.586385] dump_stack+0x113/0x167 [ 361.590011] should_fail.cold.4+0x5/0x13 [ 361.594068] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 361.599172] ? lock_downgrade+0x7f0/0x7f0 [ 361.603327] ? ___might_sleep+0x16b/0x270 [ 361.607477] __should_failslab+0xba/0xf0 [ 361.611535] should_failslab+0x9/0x14 [ 361.615329] kmem_cache_alloc_node+0x270/0x730 [ 361.615337] ? find_held_lock+0x36/0x1d0 [ 361.615350] __alloc_skb+0xa7/0x570 [ 361.615357] ? skb_scrub_packet+0x3a0/0x3a0 [ 361.615372] _sctp_make_chunk+0x3f/0x260 [ 361.635973] sctp_make_datafrag_empty+0x159/0x260 [ 361.640815] ? sctp_make_ecne+0xf0/0xf0 [ 361.644789] ? process_measurement+0x805/0x14b0 [ 361.644799] sctp_datamsg_from_user+0x4d7/0xf30 [ 361.644810] ? mark_held_locks+0x130/0x130 [ 361.644822] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 361.644829] ? find_held_lock+0x36/0x1d0 [ 361.664541] FAULT_INJECTION: forcing a failure. [ 361.664541] name failslab, interval 1, probability 0, space 0, times 0 [ 361.667012] ? sctp_clear_owner_w+0xf0/0xf0 [ 361.667021] ? lock_sock_nested+0xc5/0x100 [ 361.667028] ? lockdep_hardirqs_on+0x421/0x5c0 [ 361.667034] ? __local_bh_enable_ip+0x160/0x260 [ 361.667039] ? lock_sock_nested+0x82/0x100 [ 361.667044] ? trace_hardirqs_on+0x28/0x190 [ 361.667048] ? lock_sock_nested+0x82/0x100 [ 361.667053] ? lock_sock_nested+0x82/0x100 [ 361.667059] ? __local_bh_enable_ip+0x160/0x260 [ 361.667068] sctp_sendmsg+0xb80/0x1710 [ 361.667079] ? sctp_id2assoc+0x250/0x250 [ 361.667086] ? ___might_sleep+0x16b/0x270 [ 361.667097] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.686804] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 361.686815] inet_sendmsg+0x108/0x440 [ 361.686822] ? security_socket_sendmsg+0x4a/0x90 [ 361.686828] ? ipip_gro_receive+0xf0/0xf0 [ 361.686835] sock_sendmsg+0xb5/0xf0 [ 361.686842] sock_write_iter+0x1e9/0x3d0 [ 361.686849] ? sock_sendmsg+0xf0/0xf0 [ 361.686865] __vfs_write+0x4a3/0x970 [ 361.686871] ? lock_downgrade+0x7f0/0x7f0 [ 361.686877] ? kernel_read+0x130/0x130 [ 361.686885] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 361.686896] ? apparmor_file_permission+0x15/0x20 [ 361.686904] ? rw_verify_area+0xb8/0x2b0 [ 361.725544] FAULT_INJECTION: forcing a failure. [ 361.725544] name failslab, interval 1, probability 0, space 0, times 0 [ 361.725693] vfs_write+0x150/0x4e0 [ 361.805137] ksys_write+0xcd/0x1b0 [ 361.808683] ? __ia32_sys_read+0xa0/0xa0 [ 361.812743] ? do_syscall_64+0x21/0x4d0 [ 361.816717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.822101] __x64_sys_write+0x6e/0xb0 [ 361.822110] do_syscall_64+0xd0/0x4d0 [ 361.822119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.822124] RIP: 0033:0x4592c9 [ 361.838142] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 361.857044] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 361.864772] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 361.872039] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 361.879311] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 361.886669] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 361.893934] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 361.901211] CPU: 1 PID: 12068 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 361.908491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.917840] Call Trace: [ 361.920424] dump_stack+0x113/0x167 [ 361.924056] should_fail.cold.4+0x5/0x13 [ 361.928116] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 361.933222] ? lock_downgrade+0x7f0/0x7f0 [ 361.937372] ? ___might_sleep+0x16b/0x270 [ 361.941520] __should_failslab+0xba/0xf0 [ 361.945576] should_failslab+0x9/0x14 [ 361.949370] kmem_cache_alloc_node+0x270/0x730 [ 361.953948] ? find_held_lock+0x36/0x1d0 [ 361.958006] __alloc_skb+0xa7/0x570 [ 361.961623] ? skb_scrub_packet+0x3a0/0x3a0 [ 361.965941] _sctp_make_chunk+0x3f/0x260 [ 361.969995] sctp_make_datafrag_empty+0x159/0x260 [ 361.974828] ? sctp_make_ecne+0xf0/0xf0 [ 361.978791] ? process_measurement+0x805/0x14b0 [ 361.983486] sctp_datamsg_from_user+0x4d7/0xf30 [ 361.988149] ? mark_held_locks+0x130/0x130 [ 361.992377] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 361.996950] ? find_held_lock+0x36/0x1d0 [ 362.001006] ? sctp_clear_owner_w+0xf0/0xf0 [ 362.005318] ? lock_sock_nested+0xc5/0x100 [ 362.009543] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.014119] ? __local_bh_enable_ip+0x160/0x260 [ 362.018776] ? lock_sock_nested+0x82/0x100 [ 362.023001] ? trace_hardirqs_on+0x28/0x190 [ 362.027313] ? lock_sock_nested+0x82/0x100 [ 362.031536] ? lock_sock_nested+0x82/0x100 [ 362.035759] ? __local_bh_enable_ip+0x160/0x260 [ 362.040428] sctp_sendmsg+0xb80/0x1710 [ 362.044311] ? sctp_id2assoc+0x250/0x250 [ 362.048367] ? ___might_sleep+0x16b/0x270 [ 362.052509] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.057436] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 362.062365] inet_sendmsg+0x108/0x440 [ 362.066162] ? security_socket_sendmsg+0x4a/0x90 [ 362.070912] ? ipip_gro_receive+0xf0/0xf0 [ 362.075056] sock_sendmsg+0xb5/0xf0 [ 362.078670] sock_write_iter+0x1e9/0x3d0 [ 362.082724] ? sock_sendmsg+0xf0/0xf0 [ 362.086528] __vfs_write+0x4a3/0x970 [ 362.090232] ? lock_downgrade+0x7f0/0x7f0 [ 362.094365] ? kernel_read+0x130/0x130 [ 362.098243] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.103170] ? apparmor_file_permission+0x15/0x20 [ 362.108000] ? rw_verify_area+0xb8/0x2b0 [ 362.112073] vfs_write+0x150/0x4e0 [ 362.115604] ksys_write+0xcd/0x1b0 [ 362.119135] ? __ia32_sys_read+0xa0/0xa0 [ 362.123189] ? do_syscall_64+0x21/0x4d0 [ 362.127423] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.132775] __x64_sys_write+0x6e/0xb0 [ 362.136655] do_syscall_64+0xd0/0x4d0 [ 362.140445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.145618] RIP: 0033:0x4592c9 [ 362.148827] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 362.167739] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 362.175439] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 362.182706] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 362.189966] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 362.197228] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 362.204483] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 362.211758] CPU: 0 PID: 12067 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 362.218948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.218952] Call Trace: [ 362.218964] dump_stack+0x113/0x167 [ 362.218976] should_fail.cold.4+0x5/0x13 [ 362.218984] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 362.218991] ? lock_downgrade+0x7f0/0x7f0 [ 362.218998] ? ___might_sleep+0x16b/0x270 [ 362.219009] __should_failslab+0xba/0xf0 [ 362.219017] should_failslab+0x9/0x14 [ 362.219035] kmem_cache_alloc_node+0x270/0x730 [ 362.219041] ? find_held_lock+0x36/0x1d0 [ 362.219053] __alloc_skb+0xa7/0x570 [ 362.219060] ? skb_scrub_packet+0x3a0/0x3a0 [ 362.219076] _sctp_make_chunk+0x3f/0x260 [ 362.219084] sctp_make_datafrag_empty+0x159/0x260 [ 362.219092] ? sctp_make_ecne+0xf0/0xf0 [ 362.219101] ? process_measurement+0x805/0x14b0 [ 362.219109] sctp_datamsg_from_user+0x4d7/0xf30 [ 362.219118] ? mark_held_locks+0x130/0x130 [ 362.256154] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 362.256165] ? find_held_lock+0x36/0x1d0 [ 362.256176] ? sctp_clear_owner_w+0xf0/0xf0 [ 362.256184] ? lock_sock_nested+0xc5/0x100 [ 362.256190] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.272310] ? __local_bh_enable_ip+0x160/0x260 [ 362.272318] ? lock_sock_nested+0x82/0x100 [ 362.272325] ? trace_hardirqs_on+0x28/0x190 [ 362.272329] ? lock_sock_nested+0x82/0x100 [ 362.272334] ? lock_sock_nested+0x82/0x100 [ 362.272340] ? __local_bh_enable_ip+0x160/0x260 [ 362.272352] sctp_sendmsg+0xb80/0x1710 [ 362.272363] ? sctp_id2assoc+0x250/0x250 [ 362.285586] ? ___might_sleep+0x16b/0x270 [ 362.285599] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.285613] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 362.285623] inet_sendmsg+0x108/0x440 [ 362.285630] ? security_socket_sendmsg+0x4a/0x90 [ 362.285635] ? ipip_gro_receive+0xf0/0xf0 [ 362.306550] FAULT_INJECTION: forcing a failure. [ 362.306550] name failslab, interval 1, probability 0, space 0, times 0 [ 362.307752] sock_sendmsg+0xb5/0xf0 [ 362.307760] sock_write_iter+0x1e9/0x3d0 [ 362.307767] ? sock_sendmsg+0xf0/0xf0 [ 362.307784] __vfs_write+0x4a3/0x970 [ 362.307792] ? lock_downgrade+0x7f0/0x7f0 [ 362.307797] ? kernel_read+0x130/0x130 [ 362.307806] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.307818] ? apparmor_file_permission+0x15/0x20 [ 362.307827] ? rw_verify_area+0xb8/0x2b0 [ 362.307834] vfs_write+0x150/0x4e0 [ 362.307842] ksys_write+0xcd/0x1b0 [ 362.307848] ? __ia32_sys_read+0xa0/0xa0 [ 362.307857] ? do_syscall_64+0x21/0x4d0 [ 362.307865] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.307873] __x64_sys_write+0x6e/0xb0 [ 362.341218] FAULT_INJECTION: forcing a failure. [ 362.341218] name failslab, interval 1, probability 0, space 0, times 0 [ 362.342457] do_syscall_64+0xd0/0x4d0 [ 362.342470] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.342475] RIP: 0033:0x4592c9 [ 362.342481] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 362.342485] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 362.508235] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 362.515498] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 362.522757] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 362.530019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 362.537279] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 362.544561] CPU: 1 PID: 12078 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 362.551755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.561108] Call Trace: [ 362.563694] dump_stack+0x113/0x167 [ 362.567322] should_fail.cold.4+0x5/0x13 [ 362.571380] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 362.576482] ? lock_downgrade+0x7f0/0x7f0 [ 362.580637] ? ___might_sleep+0x16b/0x270 [ 362.584788] __should_failslab+0xba/0xf0 [ 362.588855] should_failslab+0x9/0x14 [ 362.592650] kmem_cache_alloc_trace+0x2d8/0x740 [ 362.597415] sctp_datamsg_from_user+0x7f/0xf30 [ 362.601989] ? kmem_cache_alloc_trace+0x353/0x740 [ 362.606832] ? sctp_sched_init_sid+0xf1/0x170 [ 362.611341] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 362.612445] FAULT_INJECTION: forcing a failure. [ 362.612445] name failslab, interval 1, probability 0, space 0, times 0 [ 362.615916] ? __lock_is_held+0xb5/0x140 [ 362.615924] ? find_held_lock+0x36/0x1d0 [ 362.615934] ? sctp_clear_owner_w+0xf0/0xf0 [ 362.615942] ? lock_sock_nested+0xc5/0x100 [ 362.615947] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.648291] ? __local_bh_enable_ip+0x160/0x260 [ 362.652958] ? lock_sock_nested+0x82/0x100 [ 362.657184] ? trace_hardirqs_on+0x28/0x190 [ 362.661493] ? lock_sock_nested+0x82/0x100 [ 362.665717] ? lock_sock_nested+0x82/0x100 [ 362.669941] ? __local_bh_enable_ip+0x160/0x260 [ 362.674603] sctp_sendmsg+0xb80/0x1710 [ 362.678484] ? sctp_id2assoc+0x250/0x250 [ 362.682539] ? ___might_sleep+0x16b/0x270 [ 362.686682] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.691605] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 362.696531] inet_sendmsg+0x108/0x440 [ 362.700321] ? security_socket_sendmsg+0x4a/0x90 [ 362.705096] ? ipip_gro_receive+0xf0/0xf0 [ 362.709232] sock_sendmsg+0xb5/0xf0 [ 362.712850] sock_write_iter+0x1e9/0x3d0 [ 362.716906] ? sock_sendmsg+0xf0/0xf0 [ 362.720707] __vfs_write+0x4a3/0x970 [ 362.724411] ? lock_downgrade+0x7f0/0x7f0 [ 362.728554] ? kernel_read+0x130/0x130 [ 362.732433] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.737357] ? apparmor_file_permission+0x15/0x20 [ 362.742190] ? rw_verify_area+0xb8/0x2b0 [ 362.746241] vfs_write+0x150/0x4e0 [ 362.749777] ksys_write+0xcd/0x1b0 [ 362.753313] ? __ia32_sys_read+0xa0/0xa0 [ 362.757368] ? do_syscall_64+0x21/0x4d0 [ 362.761432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.766792] __x64_sys_write+0x6e/0xb0 [ 362.770681] do_syscall_64+0xd0/0x4d0 [ 362.774579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.779758] RIP: 0033:0x4592c9 [ 362.782941] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 362.801859] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 362.809564] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 362.816823] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 362.824170] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 362.831429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 362.838699] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 362.845985] CPU: 0 PID: 12087 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 362.853181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.853185] Call Trace: [ 362.866646] dump_stack+0x113/0x167 [ 362.870278] should_fail.cold.4+0x5/0x13 [ 362.874614] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 362.881059] ? lock_downgrade+0x7f0/0x7f0 [ 362.885989] ? ___might_sleep+0x16b/0x270 [ 362.890137] __should_failslab+0xba/0xf0 [ 362.894221] should_failslab+0x9/0x14 [ 362.898024] kmem_cache_alloc_node+0x270/0x730 [ 362.902608] ? find_held_lock+0x36/0x1d0 [ 362.906679] __alloc_skb+0xa7/0x570 [ 362.906691] ? skb_scrub_packet+0x3a0/0x3a0 [ 362.906707] _sctp_make_chunk+0x3f/0x260 [ 362.906716] sctp_make_datafrag_empty+0x159/0x260 [ 362.923620] ? sctp_make_ecne+0xf0/0xf0 [ 362.927589] ? process_measurement+0x805/0x14b0 [ 362.927600] sctp_datamsg_from_user+0x4d7/0xf30 [ 362.927611] ? mark_held_locks+0x130/0x130 [ 362.927622] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 362.927629] ? find_held_lock+0x36/0x1d0 [ 362.927639] ? sctp_clear_owner_w+0xf0/0xf0 [ 362.927647] ? lock_sock_nested+0xc5/0x100 [ 362.927652] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.927658] ? __local_bh_enable_ip+0x160/0x260 [ 362.927663] ? lock_sock_nested+0x82/0x100 [ 362.936975] ? trace_hardirqs_on+0x28/0x190 [ 362.936981] ? lock_sock_nested+0x82/0x100 [ 362.936986] ? lock_sock_nested+0x82/0x100 [ 362.936993] ? __local_bh_enable_ip+0x160/0x260 [ 362.937003] sctp_sendmsg+0xb80/0x1710 [ 362.937015] ? sctp_id2assoc+0x250/0x250 [ 362.937023] ? ___might_sleep+0x16b/0x270 [ 362.937034] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.937047] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 362.937056] inet_sendmsg+0x108/0x440 [ 362.937063] ? security_socket_sendmsg+0x4a/0x90 [ 362.937069] ? ipip_gro_receive+0xf0/0xf0 [ 362.937076] sock_sendmsg+0xb5/0xf0 [ 362.937082] sock_write_iter+0x1e9/0x3d0 [ 362.980419] ? sock_sendmsg+0xf0/0xf0 [ 362.989311] __vfs_write+0x4a3/0x970 [ 362.989319] ? lock_downgrade+0x7f0/0x7f0 [ 362.989325] ? kernel_read+0x130/0x130 [ 362.989333] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 362.989344] ? apparmor_file_permission+0x15/0x20 [ 362.989352] ? rw_verify_area+0xb8/0x2b0 [ 362.989360] vfs_write+0x150/0x4e0 [ 362.989367] ksys_write+0xcd/0x1b0 [ 363.068238] ? __ia32_sys_read+0xa0/0xa0 [ 363.072303] ? do_syscall_64+0x21/0x4d0 [ 363.076313] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.081680] __x64_sys_write+0x6e/0xb0 [ 363.085563] do_syscall_64+0xd0/0x4d0 [ 363.089371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.094567] RIP: 0033:0x4592c9 [ 363.097753] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 363.116646] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 363.124344] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 363.131608] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 363.138867] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 363.146126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 363.153387] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 363.160664] CPU: 1 PID: 12076 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 363.167867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.177217] Call Trace: [ 363.179812] dump_stack+0x113/0x167 [ 363.183444] should_fail.cold.4+0x5/0x13 [ 363.188204] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 363.193310] ? lock_downgrade+0x7f0/0x7f0 [ 363.197463] ? ___might_sleep+0x16b/0x270 [ 363.201611] __should_failslab+0xba/0xf0 [ 363.205676] should_failslab+0x9/0x14 [ 363.209478] kmem_cache_alloc_node+0x270/0x730 [ 363.214064] ? find_held_lock+0x36/0x1d0 [ 363.218126] __alloc_skb+0xa7/0x570 [ 363.221760] ? skb_scrub_packet+0x3a0/0x3a0 [ 363.226087] _sctp_make_chunk+0x3f/0x260 [ 363.230148] sctp_make_datafrag_empty+0x159/0x260 [ 363.234987] ? sctp_make_ecne+0xf0/0xf0 [ 363.238969] ? process_measurement+0x805/0x14b0 [ 363.243639] sctp_datamsg_from_user+0x4d7/0xf30 [ 363.248309] ? mark_held_locks+0x130/0x130 [ 363.252550] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 363.257127] ? find_held_lock+0x36/0x1d0 [ 363.261196] ? sctp_clear_owner_w+0xf0/0xf0 [ 363.265545] ? lock_sock_nested+0xc5/0x100 [ 363.269781] ? lockdep_hardirqs_on+0x421/0x5c0 [ 363.271468] FAULT_INJECTION: forcing a failure. [ 363.271468] name failslab, interval 1, probability 0, space 0, times 0 [ 363.274368] ? __local_bh_enable_ip+0x160/0x260 [ 363.274374] ? lock_sock_nested+0x82/0x100 [ 363.274381] ? trace_hardirqs_on+0x28/0x190 [ 363.274385] ? lock_sock_nested+0x82/0x100 [ 363.274390] ? lock_sock_nested+0x82/0x100 [ 363.274396] ? __local_bh_enable_ip+0x160/0x260 [ 363.274405] sctp_sendmsg+0xb80/0x1710 [ 363.287740] FAULT_INJECTION: forcing a failure. [ 363.287740] name failslab, interval 1, probability 0, space 0, times 0 [ 363.290239] ? sctp_id2assoc+0x250/0x250 [ 363.290248] ? ___might_sleep+0x16b/0x270 [ 363.290259] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.290272] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 363.344954] inet_sendmsg+0x108/0x440 [ 363.348751] ? security_socket_sendmsg+0x4a/0x90 [ 363.353500] ? ipip_gro_receive+0xf0/0xf0 [ 363.357638] sock_sendmsg+0xb5/0xf0 [ 363.361254] sock_write_iter+0x1e9/0x3d0 [ 363.365308] ? sock_sendmsg+0xf0/0xf0 [ 363.369113] __vfs_write+0x4a3/0x970 [ 363.372823] ? lock_downgrade+0x7f0/0x7f0 [ 363.376962] ? kernel_read+0x130/0x130 [ 363.380841] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.385762] ? apparmor_file_permission+0x15/0x20 [ 363.390598] ? rw_verify_area+0xb8/0x2b0 [ 363.394652] vfs_write+0x150/0x4e0 [ 363.398213] ksys_write+0xcd/0x1b0 [ 363.401751] ? __ia32_sys_read+0xa0/0xa0 [ 363.405811] ? do_syscall_64+0x21/0x4d0 [ 363.409778] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.415142] __x64_sys_write+0x6e/0xb0 [ 363.419051] do_syscall_64+0xd0/0x4d0 [ 363.422847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.428025] RIP: 0033:0x4592c9 [ 363.431207] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 363.450097] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 363.457812] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 363.465075] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 363.472335] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 363.479594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 363.486850] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 363.494130] CPU: 0 PID: 12101 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 363.501318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.510660] Call Trace: [ 363.510674] dump_stack+0x113/0x167 [ 363.510685] should_fail.cold.4+0x5/0x13 [ 363.510693] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 363.510700] ? lock_downgrade+0x7f0/0x7f0 [ 363.510708] ? ___might_sleep+0x16b/0x270 [ 363.534387] __should_failslab+0xba/0xf0 [ 363.534396] should_failslab+0x9/0x14 [ 363.534402] kmem_cache_alloc_node+0x270/0x730 [ 363.534409] ? find_held_lock+0x36/0x1d0 [ 363.534421] __alloc_skb+0xa7/0x570 [ 363.542264] ? skb_scrub_packet+0x3a0/0x3a0 [ 363.542281] _sctp_make_chunk+0x3f/0x260 [ 363.542289] sctp_make_datafrag_empty+0x159/0x260 [ 363.542302] ? sctp_make_ecne+0xf0/0xf0 [ 363.571692] ? process_measurement+0x805/0x14b0 [ 363.576367] sctp_datamsg_from_user+0x4d7/0xf30 [ 363.581040] ? mark_held_locks+0x130/0x130 [ 363.585279] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 363.589870] ? find_held_lock+0x36/0x1d0 [ 363.593933] ? sctp_clear_owner_w+0xf0/0xf0 [ 363.598271] ? lock_sock_nested+0xc5/0x100 [ 363.602506] ? lockdep_hardirqs_on+0x421/0x5c0 [ 363.606185] FAULT_INJECTION: forcing a failure. [ 363.606185] name failslab, interval 1, probability 0, space 0, times 0 [ 363.607081] ? __local_bh_enable_ip+0x160/0x260 [ 363.607088] ? lock_sock_nested+0x82/0x100 [ 363.607094] ? trace_hardirqs_on+0x28/0x190 [ 363.607098] ? lock_sock_nested+0x82/0x100 [ 363.607102] ? lock_sock_nested+0x82/0x100 [ 363.607108] ? __local_bh_enable_ip+0x160/0x260 [ 363.607119] sctp_sendmsg+0xb80/0x1710 [ 363.607130] ? sctp_id2assoc+0x250/0x250 [ 363.607137] ? ___might_sleep+0x16b/0x270 [ 363.607147] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.607161] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 363.607170] inet_sendmsg+0x108/0x440 [ 363.607178] ? security_socket_sendmsg+0x4a/0x90 [ 363.631637] ? ipip_gro_receive+0xf0/0xf0 [ 363.631646] sock_sendmsg+0xb5/0xf0 [ 363.631653] sock_write_iter+0x1e9/0x3d0 [ 363.631660] ? sock_sendmsg+0xf0/0xf0 [ 363.640118] __vfs_write+0x4a3/0x970 [ 363.640126] ? lock_downgrade+0x7f0/0x7f0 [ 363.640132] ? kernel_read+0x130/0x130 [ 363.702472] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 363.707407] ? apparmor_file_permission+0x15/0x20 [ 363.712252] ? rw_verify_area+0xb8/0x2b0 [ 363.716315] vfs_write+0x150/0x4e0 [ 363.719861] ksys_write+0xcd/0x1b0 [ 363.723397] ? __ia32_sys_read+0xa0/0xa0 [ 363.727453] ? do_syscall_64+0x21/0x4d0 [ 363.732927] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.738286] __x64_sys_write+0x6e/0xb0 [ 363.742174] do_syscall_64+0xd0/0x4d0 [ 363.745974] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.758447] RIP: 0033:0x4592c9 [ 363.761629] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 363.780614] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 363.788327] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 363.795591] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 363.802856] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 363.810116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 363.817377] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 363.824652] CPU: 1 PID: 12106 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 363.831847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.841198] Call Trace: [ 363.843786] dump_stack+0x113/0x167 [ 363.847427] should_fail.cold.4+0x5/0x13 [ 363.851580] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 363.856682] ? lock_downgrade+0x7f0/0x7f0 [ 363.861438] ? ___might_sleep+0x16b/0x270 [ 363.865588] __should_failslab+0xba/0xf0 [ 363.869658] should_failslab+0x9/0x14 [ 363.873456] kmem_cache_alloc_node+0x270/0x730 [ 363.878034] ? find_held_lock+0x36/0x1d0 [ 363.882100] __alloc_skb+0xa7/0x570 [ 363.885725] ? skb_scrub_packet+0x3a0/0x3a0 [ 363.890059] _sctp_make_chunk+0x3f/0x260 [ 363.894118] sctp_make_datafrag_empty+0x159/0x260 [ 363.898958] ? sctp_make_ecne+0xf0/0xf0 [ 363.902938] ? process_measurement+0x805/0x14b0 [ 363.907609] sctp_datamsg_from_user+0x4d7/0xf30 [ 363.912277] ? mark_held_locks+0x130/0x130 [ 363.916518] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 363.920466] FAULT_INJECTION: forcing a failure. [ 363.920466] name failslab, interval 1, probability 0, space 0, times 0 [ 363.921095] ? find_held_lock+0x36/0x1d0 [ 363.921107] ? sctp_clear_owner_w+0xf0/0xf0 [ 363.921115] ? lock_sock_nested+0xc5/0x100 [ 363.921120] ? lockdep_hardirqs_on+0x421/0x5c0 [ 363.938103] FAULT_INJECTION: forcing a failure. [ 363.938103] name failslab, interval 1, probability 0, space 0, times 0 [ 363.940652] ? __local_bh_enable_ip+0x160/0x260 [ 363.940660] ? lock_sock_nested+0x82/0x100 [ 363.940666] ? trace_hardirqs_on+0x28/0x190 [ 363.940671] ? lock_sock_nested+0x82/0x100 [ 363.978285] ? lock_sock_nested+0x82/0x100 [ 363.982516] ? __local_bh_enable_ip+0x160/0x260 [ 363.987183] sctp_sendmsg+0xb80/0x1710 [ 363.991067] ? sctp_id2assoc+0x250/0x250 [ 363.995119] ? ___might_sleep+0x16b/0x270 [ 363.999260] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.004188] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 364.009112] inet_sendmsg+0x108/0x440 [ 364.012904] ? security_socket_sendmsg+0x4a/0x90 [ 364.017653] ? ipip_gro_receive+0xf0/0xf0 [ 364.021792] sock_sendmsg+0xb5/0xf0 [ 364.025415] sock_write_iter+0x1e9/0x3d0 [ 364.029470] ? sock_sendmsg+0xf0/0xf0 [ 364.033278] __vfs_write+0x4a3/0x970 [ 364.036988] ? lock_downgrade+0x7f0/0x7f0 [ 364.041133] ? kernel_read+0x130/0x130 [ 364.045024] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.049949] ? apparmor_file_permission+0x15/0x20 [ 364.054809] ? rw_verify_area+0xb8/0x2b0 [ 364.058865] vfs_write+0x150/0x4e0 [ 364.062396] ksys_write+0xcd/0x1b0 [ 364.065926] ? __ia32_sys_read+0xa0/0xa0 [ 364.069983] __x64_sys_write+0x6e/0xb0 [ 364.073863] ? do_syscall_64+0x51/0x4d0 [ 364.077826] do_syscall_64+0xd0/0x4d0 [ 364.081620] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.086807] RIP: 0033:0x4592c9 [ 364.090077] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 364.108969] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 364.116669] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 364.123930] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 364.131189] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 364.138447] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 364.145706] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 364.152987] CPU: 0 PID: 12117 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 364.160176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.160180] Call Trace: [ 364.172116] dump_stack+0x113/0x167 [ 364.175747] should_fail.cold.4+0x5/0x13 [ 364.179806] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 364.184907] ? lock_downgrade+0x7f0/0x7f0 [ 364.189049] ? ___might_sleep+0x16b/0x270 [ 364.189060] __should_failslab+0xba/0xf0 [ 364.189068] should_failslab+0x9/0x14 [ 364.189073] kmem_cache_alloc_node+0x270/0x730 [ 364.189080] ? find_held_lock+0x36/0x1d0 [ 364.189091] __alloc_skb+0xa7/0x570 [ 364.189098] ? skb_scrub_packet+0x3a0/0x3a0 [ 364.189113] _sctp_make_chunk+0x3f/0x260 [ 364.189122] sctp_make_datafrag_empty+0x159/0x260 [ 364.189129] ? sctp_make_ecne+0xf0/0xf0 [ 364.189139] ? process_measurement+0x805/0x14b0 [ 364.189147] sctp_datamsg_from_user+0x4d7/0xf30 [ 364.201233] ? mark_held_locks+0x130/0x130 [ 364.201247] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 364.201254] ? find_held_lock+0x36/0x1d0 [ 364.213491] ? sctp_clear_owner_w+0xf0/0xf0 [ 364.226658] ? lock_sock_nested+0xc5/0x100 [ 364.226666] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.226672] ? __local_bh_enable_ip+0x160/0x260 [ 364.226677] ? lock_sock_nested+0x82/0x100 [ 364.248729] ? trace_hardirqs_on+0x28/0x190 [ 364.248737] ? lock_sock_nested+0x82/0x100 [ 364.248741] ? lock_sock_nested+0x82/0x100 [ 364.248749] ? __local_bh_enable_ip+0x160/0x260 [ 364.248761] sctp_sendmsg+0xb80/0x1710 [ 364.248771] ? sctp_id2assoc+0x250/0x250 [ 364.248778] ? ___might_sleep+0x16b/0x270 [ 364.248789] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.248802] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 364.248812] inet_sendmsg+0x108/0x440 [ 364.248819] ? security_socket_sendmsg+0x4a/0x90 [ 364.248824] ? ipip_gro_receive+0xf0/0xf0 [ 364.248831] sock_sendmsg+0xb5/0xf0 [ 364.248838] sock_write_iter+0x1e9/0x3d0 [ 364.287593] ? sock_sendmsg+0xf0/0xf0 [ 364.296130] __vfs_write+0x4a3/0x970 [ 364.341971] ? lock_downgrade+0x7f0/0x7f0 [ 364.346135] ? kernel_read+0x130/0x130 [ 364.350023] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.354958] ? apparmor_file_permission+0x15/0x20 [ 364.359798] ? rw_verify_area+0xb8/0x2b0 [ 364.363857] vfs_write+0x150/0x4e0 [ 364.367393] ksys_write+0xcd/0x1b0 [ 364.370927] ? __ia32_sys_read+0xa0/0xa0 [ 364.374986] ? do_syscall_64+0x21/0x4d0 [ 364.378955] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.384341] __x64_sys_write+0x6e/0xb0 [ 364.388220] do_syscall_64+0xd0/0x4d0 [ 364.392013] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.397193] RIP: 0033:0x4592c9 [ 364.400386] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 364.419364] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 364.427067] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 364.434334] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 364.441599] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 364.448950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 364.456213] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 364.465182] CPU: 1 PID: 12102 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 364.472382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.481732] Call Trace: [ 364.484315] dump_stack+0x113/0x167 [ 364.487941] should_fail.cold.4+0x5/0x13 [ 364.492003] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 364.497106] ? lock_downgrade+0x7f0/0x7f0 [ 364.501255] ? ___might_sleep+0x16b/0x270 [ 364.505404] __should_failslab+0xba/0xf0 [ 364.509467] should_failslab+0x9/0x14 [ 364.513262] kmem_cache_alloc_node+0x270/0x730 [ 364.517857] ? find_held_lock+0x36/0x1d0 [ 364.517870] __alloc_skb+0xa7/0x570 [ 364.517877] ? skb_scrub_packet+0x3a0/0x3a0 [ 364.517892] _sctp_make_chunk+0x3f/0x260 [ 364.529868] sctp_make_datafrag_empty+0x159/0x260 [ 364.529877] ? sctp_make_ecne+0xf0/0xf0 [ 364.529887] ? process_measurement+0x805/0x14b0 [ 364.529896] sctp_datamsg_from_user+0x4d7/0xf30 [ 364.547394] ? mark_held_locks+0x130/0x130 [ 364.547407] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 364.547415] ? find_held_lock+0x36/0x1d0 [ 364.556293] ? sctp_clear_owner_w+0xf0/0xf0 [ 364.569215] ? lock_sock_nested+0xc5/0x100 [ 364.573442] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.578015] ? __local_bh_enable_ip+0x160/0x260 [ 364.582673] ? lock_sock_nested+0x82/0x100 [ 364.586897] ? trace_hardirqs_on+0x28/0x190 [ 364.591216] ? lock_sock_nested+0x82/0x100 [ 364.595440] ? lock_sock_nested+0x82/0x100 [ 364.599667] ? __local_bh_enable_ip+0x160/0x260 [ 364.604328] sctp_sendmsg+0xb80/0x1710 [ 364.608240] ? sctp_id2assoc+0x250/0x250 [ 364.612293] ? ___might_sleep+0x16b/0x270 [ 364.616439] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.621363] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 364.626373] inet_sendmsg+0x108/0x440 [ 364.630162] ? security_socket_sendmsg+0x4a/0x90 [ 364.634913] ? ipip_gro_receive+0xf0/0xf0 [ 364.639059] sock_sendmsg+0xb5/0xf0 [ 364.642769] sock_write_iter+0x1e9/0x3d0 [ 364.646828] ? sock_sendmsg+0xf0/0xf0 [ 364.650655] __vfs_write+0x4a3/0x970 [ 364.654360] ? lock_downgrade+0x7f0/0x7f0 [ 364.658497] ? kernel_read+0x130/0x130 [ 364.662373] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.667296] ? apparmor_file_permission+0x15/0x20 [ 364.672139] ? rw_verify_area+0xb8/0x2b0 [ 364.676222] vfs_write+0x150/0x4e0 [ 364.679774] ksys_write+0xcd/0x1b0 [ 364.683312] ? __ia32_sys_read+0xa0/0xa0 [ 364.687366] ? do_syscall_64+0x21/0x4d0 [ 364.691341] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.696698] __x64_sys_write+0x6e/0xb0 [ 364.700576] do_syscall_64+0xd0/0x4d0 [ 364.704367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.709542] RIP: 0033:0x4592c9 [ 364.712727] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 364.731622] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2019/06/15 21:34:00 executed programs: 1280 [ 364.739322] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 364.746576] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 364.753849] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 364.761111] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 364.768369] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 364.775650] CPU: 0 PID: 12113 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 364.782840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.792189] Call Trace: [ 364.794773] dump_stack+0x113/0x167 [ 364.798399] should_fail.cold.4+0x5/0x13 [ 364.802472] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 364.807569] ? lock_downgrade+0x7f0/0x7f0 [ 364.811719] ? ___might_sleep+0x16b/0x270 [ 364.815871] __should_failslab+0xba/0xf0 [ 364.819932] should_failslab+0x9/0x14 [ 364.823728] kmem_cache_alloc_node+0x270/0x730 [ 364.828316] ? find_held_lock+0x36/0x1d0 [ 364.832379] __alloc_skb+0xa7/0x570 [ 364.836007] ? skb_scrub_packet+0x3a0/0x3a0 [ 364.840341] _sctp_make_chunk+0x3f/0x260 [ 364.842405] FAULT_INJECTION: forcing a failure. [ 364.842405] name failslab, interval 1, probability 0, space 0, times 0 [ 364.844400] sctp_make_datafrag_empty+0x159/0x260 [ 364.844408] ? sctp_make_ecne+0xf0/0xf0 [ 364.844418] ? process_measurement+0x805/0x14b0 [ 364.844427] sctp_datamsg_from_user+0x4d7/0xf30 [ 364.874510] ? mark_held_locks+0x130/0x130 [ 364.885780] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 364.887781] FAULT_INJECTION: forcing a failure. [ 364.887781] name failslab, interval 1, probability 0, space 0, times 0 [ 364.890395] ? find_held_lock+0x36/0x1d0 [ 364.890406] ? sctp_clear_owner_w+0xf0/0xf0 [ 364.890414] ? lock_sock_nested+0xc5/0x100 [ 364.890420] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.905641] ? __local_bh_enable_ip+0x160/0x260 [ 364.905648] ? lock_sock_nested+0x82/0x100 [ 364.905655] ? trace_hardirqs_on+0x28/0x190 [ 364.905659] ? lock_sock_nested+0x82/0x100 [ 364.905666] ? lock_sock_nested+0x82/0x100 [ 364.918783] ? __local_bh_enable_ip+0x160/0x260 [ 364.918796] sctp_sendmsg+0xb80/0x1710 [ 364.918807] ? sctp_id2assoc+0x250/0x250 [ 364.918815] ? ___might_sleep+0x16b/0x270 [ 364.918825] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 364.918838] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 364.966993] inet_sendmsg+0x108/0x440 [ 364.970785] ? security_socket_sendmsg+0x4a/0x90 [ 364.975536] ? ipip_gro_receive+0xf0/0xf0 [ 364.979682] sock_sendmsg+0xb5/0xf0 [ 364.983308] sock_write_iter+0x1e9/0x3d0 [ 364.987370] ? sock_sendmsg+0xf0/0xf0 [ 364.991176] __vfs_write+0x4a3/0x970 [ 364.994880] ? lock_downgrade+0x7f0/0x7f0 [ 364.999017] ? kernel_read+0x130/0x130 [ 365.002909] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.007838] ? apparmor_file_permission+0x15/0x20 [ 365.012676] ? rw_verify_area+0xb8/0x2b0 [ 365.016726] vfs_write+0x150/0x4e0 [ 365.020258] ksys_write+0xcd/0x1b0 [ 365.023791] ? __ia32_sys_read+0xa0/0xa0 [ 365.027855] ? do_syscall_64+0x21/0x4d0 [ 365.031829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.037189] __x64_sys_write+0x6e/0xb0 [ 365.041075] do_syscall_64+0xd0/0x4d0 [ 365.044870] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.050049] RIP: 0033:0x4592c9 [ 365.053232] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 365.072231] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.080108] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 365.087378] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 365.094648] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 365.101909] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 365.109169] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 365.116505] CPU: 1 PID: 12131 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 365.123882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.133237] Call Trace: [ 365.135836] dump_stack+0x113/0x167 [ 365.139476] should_fail.cold.4+0x5/0x13 [ 365.143540] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 365.148645] ? lock_downgrade+0x7f0/0x7f0 [ 365.152806] ? ___might_sleep+0x16b/0x270 [ 365.156960] __should_failslab+0xba/0xf0 [ 365.161027] should_failslab+0x9/0x14 [ 365.164830] kmem_cache_alloc_node+0x270/0x730 [ 365.169414] ? find_held_lock+0x36/0x1d0 [ 365.173487] __alloc_skb+0xa7/0x570 [ 365.177113] ? skb_scrub_packet+0x3a0/0x3a0 [ 365.181440] _sctp_make_chunk+0x3f/0x260 [ 365.185505] sctp_make_datafrag_empty+0x159/0x260 [ 365.190344] ? sctp_make_ecne+0xf0/0xf0 [ 365.192835] FAULT_INJECTION: forcing a failure. [ 365.192835] name failslab, interval 1, probability 0, space 0, times 0 [ 365.194314] ? process_measurement+0x805/0x14b0 [ 365.194324] sctp_datamsg_from_user+0x4d7/0xf30 [ 365.194336] ? mark_held_locks+0x130/0x130 [ 365.219062] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 365.223637] ? find_held_lock+0x36/0x1d0 [ 365.227696] ? sctp_clear_owner_w+0xf0/0xf0 [ 365.232010] ? lock_sock_nested+0xc5/0x100 [ 365.236233] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.240807] ? __local_bh_enable_ip+0x160/0x260 [ 365.245463] ? lock_sock_nested+0x82/0x100 [ 365.249686] ? trace_hardirqs_on+0x28/0x190 [ 365.253996] ? lock_sock_nested+0x82/0x100 [ 365.258226] ? lock_sock_nested+0x82/0x100 [ 365.262454] ? __local_bh_enable_ip+0x160/0x260 [ 365.267128] sctp_sendmsg+0xb80/0x1710 [ 365.271102] ? sctp_id2assoc+0x250/0x250 [ 365.275154] ? ___might_sleep+0x16b/0x270 [ 365.279322] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.284249] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 365.289178] inet_sendmsg+0x108/0x440 [ 365.292966] ? security_socket_sendmsg+0x4a/0x90 [ 365.297710] ? ipip_gro_receive+0xf0/0xf0 [ 365.301851] sock_sendmsg+0xb5/0xf0 [ 365.305469] sock_write_iter+0x1e9/0x3d0 [ 365.309522] ? sock_sendmsg+0xf0/0xf0 [ 365.313320] __vfs_write+0x4a3/0x970 [ 365.317027] ? lock_downgrade+0x7f0/0x7f0 [ 365.321176] ? kernel_read+0x130/0x130 [ 365.325056] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.329988] ? apparmor_file_permission+0x15/0x20 [ 365.334823] ? rw_verify_area+0xb8/0x2b0 [ 365.338891] vfs_write+0x150/0x4e0 [ 365.342424] ksys_write+0xcd/0x1b0 [ 365.345957] ? __ia32_sys_read+0xa0/0xa0 [ 365.350011] ? do_syscall_64+0x21/0x4d0 [ 365.353981] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.359334] __x64_sys_write+0x6e/0xb0 [ 365.363212] do_syscall_64+0xd0/0x4d0 [ 365.367003] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.372183] RIP: 0033:0x4592c9 [ 365.375363] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 365.394257] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.401955] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 365.409235] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 365.416500] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 365.423760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 365.431025] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 365.438308] CPU: 0 PID: 12138 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 365.445520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.445523] Call Trace: [ 365.457490] dump_stack+0x113/0x167 [ 365.461115] should_fail.cold.4+0x5/0x13 [ 365.465174] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 365.470274] ? lock_downgrade+0x7f0/0x7f0 [ 365.474430] ? ___might_sleep+0x16b/0x270 [ 365.478579] __should_failslab+0xba/0xf0 [ 365.482629] should_failslab+0x9/0x14 [ 365.482634] kmem_cache_alloc_node+0x270/0x730 [ 365.482640] ? find_held_lock+0x36/0x1d0 [ 365.482653] __alloc_skb+0xa7/0x570 [ 365.491021] ? skb_scrub_packet+0x3a0/0x3a0 [ 365.491036] _sctp_make_chunk+0x3f/0x260 [ 365.491045] sctp_make_datafrag_empty+0x159/0x260 [ 365.491053] ? sctp_make_ecne+0xf0/0xf0 [ 365.491063] ? process_measurement+0x805/0x14b0 [ 365.491071] sctp_datamsg_from_user+0x4d7/0xf30 [ 365.507180] ? mark_held_locks+0x130/0x130 [ 365.507193] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 365.507200] ? find_held_lock+0x36/0x1d0 [ 365.507210] ? sctp_clear_owner_w+0xf0/0xf0 [ 365.507217] ? lock_sock_nested+0xc5/0x100 [ 365.507222] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.507228] ? __local_bh_enable_ip+0x160/0x260 [ 365.507232] ? lock_sock_nested+0x82/0x100 [ 365.507238] ? trace_hardirqs_on+0x28/0x190 [ 365.507242] ? lock_sock_nested+0x82/0x100 [ 365.507246] ? lock_sock_nested+0x82/0x100 [ 365.573199] ? __local_bh_enable_ip+0x160/0x260 [ 365.577869] sctp_sendmsg+0xb80/0x1710 [ 365.577881] ? sctp_id2assoc+0x250/0x250 [ 365.577889] ? ___might_sleep+0x16b/0x270 [ 365.577900] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.577913] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 365.577923] inet_sendmsg+0x108/0x440 [ 365.577929] ? security_socket_sendmsg+0x4a/0x90 [ 365.577935] ? ipip_gro_receive+0xf0/0xf0 [ 365.577943] sock_sendmsg+0xb5/0xf0 [ 365.577950] sock_write_iter+0x1e9/0x3d0 [ 365.590017] ? sock_sendmsg+0xf0/0xf0 [ 365.623995] __vfs_write+0x4a3/0x970 [ 365.627704] ? lock_downgrade+0x7f0/0x7f0 [ 365.631843] ? kernel_read+0x130/0x130 [ 365.635722] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.640649] ? apparmor_file_permission+0x15/0x20 [ 365.645493] ? rw_verify_area+0xb8/0x2b0 [ 365.649553] vfs_write+0x150/0x4e0 [ 365.653093] ksys_write+0xcd/0x1b0 [ 365.656640] ? __ia32_sys_read+0xa0/0xa0 [ 365.660695] ? do_syscall_64+0x21/0x4d0 [ 365.664665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.670028] __x64_sys_write+0x6e/0xb0 [ 365.673913] do_syscall_64+0xd0/0x4d0 [ 365.677711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.682894] RIP: 0033:0x4592c9 [ 365.686074] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 365.704969] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.712757] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 365.720020] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 365.727286] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 365.736053] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 365.743319] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 365.750629] CPU: 1 PID: 12132 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 365.757826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.767186] Call Trace: [ 365.769779] dump_stack+0x113/0x167 [ 365.773413] should_fail.cold.4+0x5/0x13 [ 365.777474] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 365.782577] ? lock_downgrade+0x7f0/0x7f0 [ 365.786732] ? ___might_sleep+0x16b/0x270 [ 365.790884] __should_failslab+0xba/0xf0 [ 365.794947] should_failslab+0x9/0x14 [ 365.798836] kmem_cache_alloc_node+0x270/0x730 [ 365.803502] ? find_held_lock+0x36/0x1d0 [ 365.807569] __alloc_skb+0xa7/0x570 [ 365.811225] ? skb_scrub_packet+0x3a0/0x3a0 [ 365.815550] _sctp_make_chunk+0x3f/0x260 [ 365.817840] FAULT_INJECTION: forcing a failure. [ 365.817840] name failslab, interval 1, probability 0, space 0, times 0 [ 365.819607] sctp_make_datafrag_empty+0x159/0x260 [ 365.819615] ? sctp_make_ecne+0xf0/0xf0 [ 365.819628] ? process_measurement+0x805/0x14b0 [ 365.844277] sctp_datamsg_from_user+0x4d7/0xf30 [ 365.848942] ? mark_held_locks+0x130/0x130 [ 365.853169] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 365.857742] ? find_held_lock+0x36/0x1d0 [ 365.862291] ? sctp_clear_owner_w+0xf0/0xf0 [ 365.866624] ? lock_sock_nested+0xc5/0x100 [ 365.870846] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.875417] ? __local_bh_enable_ip+0x160/0x260 [ 365.880080] ? lock_sock_nested+0x82/0x100 [ 365.884314] ? trace_hardirqs_on+0x28/0x190 [ 365.888622] ? lock_sock_nested+0x82/0x100 [ 365.892851] ? lock_sock_nested+0x82/0x100 [ 365.897084] ? __local_bh_enable_ip+0x160/0x260 [ 365.901748] sctp_sendmsg+0xb80/0x1710 [ 365.905648] ? sctp_id2assoc+0x250/0x250 [ 365.909698] ? ___might_sleep+0x16b/0x270 [ 365.913839] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.918765] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 365.923702] inet_sendmsg+0x108/0x440 [ 365.927591] ? security_socket_sendmsg+0x4a/0x90 [ 365.932337] ? ipip_gro_receive+0xf0/0xf0 [ 365.936476] sock_sendmsg+0xb5/0xf0 [ 365.940114] sock_write_iter+0x1e9/0x3d0 [ 365.944167] ? sock_sendmsg+0xf0/0xf0 [ 365.948087] __vfs_write+0x4a3/0x970 [ 365.951799] ? lock_downgrade+0x7f0/0x7f0 [ 365.955935] ? kernel_read+0x130/0x130 [ 365.959822] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 365.964744] ? apparmor_file_permission+0x15/0x20 [ 365.969581] ? rw_verify_area+0xb8/0x2b0 [ 365.973636] vfs_write+0x150/0x4e0 [ 365.977172] ksys_write+0xcd/0x1b0 [ 365.980703] ? __ia32_sys_read+0xa0/0xa0 [ 365.984760] ? do_syscall_64+0x21/0x4d0 [ 365.988723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.994082] __x64_sys_write+0x6e/0xb0 [ 365.997961] do_syscall_64+0xd0/0x4d0 [ 366.001756] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.006935] RIP: 0033:0x4592c9 [ 366.010123] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 366.029034] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 366.036730] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 366.043991] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 366.051513] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 366.058771] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 366.066034] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 366.073307] CPU: 0 PID: 12148 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 366.080497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.080501] Call Trace: [ 366.092426] dump_stack+0x113/0x167 [ 366.096051] should_fail.cold.4+0x5/0x13 [ 366.100110] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 366.105207] ? lock_downgrade+0x7f0/0x7f0 [ 366.109352] ? ___might_sleep+0x16b/0x270 [ 366.113502] __should_failslab+0xba/0xf0 [ 366.117555] should_failslab+0x9/0x14 [ 366.117561] kmem_cache_alloc_node+0x270/0x730 [ 366.117568] ? find_held_lock+0x36/0x1d0 [ 366.117581] __alloc_skb+0xa7/0x570 [ 366.117588] ? skb_scrub_packet+0x3a0/0x3a0 [ 366.117603] _sctp_make_chunk+0x3f/0x260 [ 366.117613] sctp_make_datafrag_empty+0x159/0x260 [ 366.125979] ? sctp_make_ecne+0xf0/0xf0 [ 366.125989] ? process_measurement+0x805/0x14b0 [ 366.125999] sctp_datamsg_from_user+0x4d7/0xf30 [ 366.126008] ? mark_held_locks+0x130/0x130 [ 366.126020] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 366.137982] ? find_held_lock+0x36/0x1d0 [ 366.137994] ? sctp_clear_owner_w+0xf0/0xf0 [ 366.138001] ? lock_sock_nested+0xc5/0x100 [ 366.138006] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.138012] ? __local_bh_enable_ip+0x160/0x260 [ 366.138017] ? lock_sock_nested+0x82/0x100 [ 366.138022] ? trace_hardirqs_on+0x28/0x190 [ 366.138025] ? lock_sock_nested+0x82/0x100 [ 366.138030] ? lock_sock_nested+0x82/0x100 [ 366.138036] ? __local_bh_enable_ip+0x160/0x260 [ 366.174392] FAULT_INJECTION: forcing a failure. [ 366.174392] name fail_futex, interval 1, probability 0, space 0, times 0 [ 366.177445] sctp_sendmsg+0xb80/0x1710 [ 366.177458] ? sctp_id2assoc+0x250/0x250 [ 366.177466] ? ___might_sleep+0x16b/0x270 [ 366.177477] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 366.177490] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 366.177502] inet_sendmsg+0x108/0x440 [ 366.207961] ? security_socket_sendmsg+0x4a/0x90 [ 366.207970] ? ipip_gro_receive+0xf0/0xf0 [ 366.207979] sock_sendmsg+0xb5/0xf0 [ 366.207986] sock_write_iter+0x1e9/0x3d0 [ 366.207993] ? sock_sendmsg+0xf0/0xf0 [ 366.208009] __vfs_write+0x4a3/0x970 [ 366.208017] ? lock_downgrade+0x7f0/0x7f0 [ 366.208023] ? kernel_read+0x130/0x130 [ 366.208032] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 366.208043] ? apparmor_file_permission+0x15/0x20 [ 366.208051] ? rw_verify_area+0xb8/0x2b0 [ 366.224064] vfs_write+0x150/0x4e0 [ 366.224073] ksys_write+0xcd/0x1b0 [ 366.224080] ? __ia32_sys_read+0xa0/0xa0 [ 366.224088] ? do_syscall_64+0x21/0x4d0 [ 366.224097] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.224106] __x64_sys_write+0x6e/0xb0 [ 366.319876] do_syscall_64+0xd0/0x4d0 [ 366.323675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.328855] RIP: 0033:0x4592c9 [ 366.332042] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 366.350941] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 366.358641] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 366.365903] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 366.373162] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 366.380420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 366.387684] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 366.394963] CPU: 1 PID: 12151 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 366.402170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.411520] Call Trace: [ 366.414104] dump_stack+0x113/0x167 [ 366.417737] should_fail.cold.4+0x5/0x13 [ 366.421805] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 366.426908] ? find_held_lock+0x36/0x1d0 [ 366.427944] FAULT_INJECTION: forcing a failure. [ 366.427944] name failslab, interval 1, probability 0, space 0, times 0 [ 366.430970] get_futex_key+0x19e/0x1030 [ 366.446126] ? finish_task_switch+0x14a/0x6d0 [ 366.450623] ? finish_task_switch+0x14a/0x6d0 [ 366.455117] ? futex_lock_pi_atomic+0x200/0x200 [ 366.459784] ? _raw_spin_unlock_irq+0x60/0x80 [ 366.464283] ? finish_task_switch+0x14a/0x6d0 [ 366.468766] ? finish_task_switch+0x11c/0x6d0 [ 366.473249] ? check_noncircular+0x20/0x20 [ 366.477482] futex_wake+0xcb/0x590 [ 366.481016] ? get_futex_key+0x1030/0x1030 [ 366.485246] ? __lock_acquire+0x5d6/0x4760 [ 366.489471] do_futex+0x59a/0x1800 [ 366.492998] ? __lock_acquire+0x5d6/0x4760 [ 366.497223] ? mark_held_locks+0x130/0x130 [ 366.501457] ? exit_robust_list+0x1b0/0x1b0 [ 366.505768] ? mark_held_locks+0x130/0x130 [ 366.509997] ? find_held_lock+0x36/0x1d0 [ 366.514052] ? find_held_lock+0x36/0x1d0 [ 366.518107] ? __might_fault+0xf1/0x1b0 [ 366.522072] ? lock_downgrade+0x7f0/0x7f0 [ 366.526224] mm_release+0x2da/0x410 [ 366.529843] do_exit+0x388/0x2ba0 [ 366.533284] ? inet_sendmsg+0x108/0x440 [ 366.537250] ? security_socket_sendmsg+0x4a/0x90 [ 366.541999] ? mm_update_next_owner+0x680/0x680 [ 366.546659] ? find_held_lock+0x36/0x1d0 [ 366.550717] ? get_signal+0x584/0x11d0 [ 366.554596] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.559077] ? get_signal+0x584/0x11d0 [ 366.562956] do_group_exit+0xf4/0x2f0 [ 366.566751] get_signal+0x532/0x11d0 [ 366.570472] do_signal+0x87/0x1930 [ 366.574008] ? rw_verify_area+0xb8/0x2b0 [ 366.578060] ? setup_sigcontext+0x7d0/0x7d0 [ 366.582372] ? kasan_check_write+0x14/0x20 [ 366.586594] ? fput+0x18/0x120 [ 366.589773] ? ksys_write+0x157/0x1b0 [ 366.593567] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.598140] ? exit_to_usermode_loop+0x3a/0x200 [ 366.602805] ? trace_hardirqs_on+0x28/0x190 [ 366.607116] exit_to_usermode_loop+0x114/0x200 [ 366.611697] do_syscall_64+0x407/0x4d0 [ 366.615583] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.620762] RIP: 0033:0x4592c9 [ 366.623943] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 366.643014] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 366.650710] RAX: ffffffffffffffe0 RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 366.657969] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 366.665762] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 366.673038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 366.680297] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 366.687614] CPU: 0 PID: 12157 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 366.694819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.704178] Call Trace: [ 366.706766] dump_stack+0x113/0x167 [ 366.710403] should_fail.cold.4+0x5/0x13 [ 366.714465] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 366.719562] ? lock_downgrade+0x7f0/0x7f0 [ 366.719571] ? ___might_sleep+0x16b/0x270 [ 366.719582] __should_failslab+0xba/0xf0 [ 366.719590] should_failslab+0x9/0x14 [ 366.719594] kmem_cache_alloc_node+0x270/0x730 [ 366.719600] ? find_held_lock+0x36/0x1d0 [ 366.719612] __alloc_skb+0xa7/0x570 [ 366.719619] ? skb_scrub_packet+0x3a0/0x3a0 [ 366.719633] _sctp_make_chunk+0x3f/0x260 [ 366.719641] sctp_make_datafrag_empty+0x159/0x260 [ 366.728337] ? sctp_make_ecne+0xf0/0xf0 [ 366.728348] ? process_measurement+0x805/0x14b0 [ 366.728357] sctp_datamsg_from_user+0x4d7/0xf30 [ 366.728366] ? mark_held_locks+0x130/0x130 [ 366.728378] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 366.728386] ? find_held_lock+0x36/0x1d0 [ 366.728396] ? sctp_clear_owner_w+0xf0/0xf0 [ 366.728402] ? lock_sock_nested+0xc5/0x100 [ 366.728407] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.728413] ? __local_bh_enable_ip+0x160/0x260 [ 366.728417] ? lock_sock_nested+0x82/0x100 [ 366.728422] ? trace_hardirqs_on+0x28/0x190 [ 366.728428] ? lock_sock_nested+0x82/0x100 [ 366.728434] ? __local_bh_enable_ip+0x160/0x260 [ 366.728444] sctp_sendmsg+0xb80/0x1710 [ 366.728456] ? sctp_id2assoc+0x250/0x250 [ 366.765668] ? ___might_sleep+0x16b/0x270 [ 366.765680] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 366.765695] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 366.765705] inet_sendmsg+0x108/0x440 [ 366.787853] ? security_socket_sendmsg+0x4a/0x90 [ 366.787862] ? ipip_gro_receive+0xf0/0xf0 [ 366.787871] sock_sendmsg+0xb5/0xf0 [ 366.787879] sock_write_iter+0x1e9/0x3d0 [ 366.787886] ? sock_sendmsg+0xf0/0xf0 [ 366.787903] __vfs_write+0x4a3/0x970 [ 366.787910] ? lock_downgrade+0x7f0/0x7f0 [ 366.787916] ? kernel_read+0x130/0x130 [ 366.787923] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 366.787935] ? apparmor_file_permission+0x15/0x20 [ 366.835288] ? rw_verify_area+0xb8/0x2b0 [ 366.835305] vfs_write+0x150/0x4e0 [ 366.835314] ksys_write+0xcd/0x1b0 [ 366.835321] ? __ia32_sys_read+0xa0/0xa0 [ 366.835329] ? do_syscall_64+0x21/0x4d0 [ 366.835338] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.866517] __x64_sys_write+0x6e/0xb0 [ 366.866529] do_syscall_64+0xd0/0x4d0 [ 366.866540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.866547] RIP: 0033:0x4592c9 [ 366.866554] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 366.866557] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 366.866563] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 366.866567] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 366.952956] FAULT_INJECTION: forcing a failure. [ 366.952956] name failslab, interval 1, probability 0, space 0, times 0 [ 366.956805] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 366.956816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 366.956820] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 366.995140] FAULT_INJECTION: forcing a failure. [ 366.995140] name failslab, interval 1, probability 0, space 0, times 0 [ 367.081149] CPU: 1 PID: 12169 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 367.088370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.097723] Call Trace: [ 367.100310] dump_stack+0x113/0x167 [ 367.103943] should_fail.cold.4+0x5/0x13 [ 367.108006] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 367.113109] ? lock_downgrade+0x7f0/0x7f0 [ 367.117257] ? ___might_sleep+0x16b/0x270 [ 367.121408] __should_failslab+0xba/0xf0 [ 367.125465] should_failslab+0x9/0x14 [ 367.129259] kmem_cache_alloc_node+0x270/0x730 [ 367.133839] ? find_held_lock+0x36/0x1d0 [ 367.137905] __alloc_skb+0xa7/0x570 [ 367.138212] FAULT_INJECTION: forcing a failure. [ 367.138212] name failslab, interval 1, probability 0, space 0, times 0 [ 367.141528] ? skb_scrub_packet+0x3a0/0x3a0 [ 367.141543] _sctp_make_chunk+0x3f/0x260 [ 367.141553] sctp_make_datafrag_empty+0x159/0x260 [ 367.141560] ? sctp_make_ecne+0xf0/0xf0 [ 367.141570] ? process_measurement+0x805/0x14b0 [ 367.141580] sctp_datamsg_from_user+0x4d7/0xf30 [ 367.141588] ? mark_held_locks+0x130/0x130 [ 367.141600] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 367.159551] FAULT_INJECTION: forcing a failure. [ 367.159551] name failslab, interval 1, probability 0, space 0, times 0 [ 367.161142] ? find_held_lock+0x36/0x1d0 [ 367.161156] ? sctp_clear_owner_w+0xf0/0xf0 [ 367.161163] ? lock_sock_nested+0xc5/0x100 [ 367.161169] ? lockdep_hardirqs_on+0x421/0x5c0 [ 367.161176] ? __local_bh_enable_ip+0x160/0x260 [ 367.161180] ? lock_sock_nested+0x82/0x100 [ 367.161186] ? trace_hardirqs_on+0x28/0x190 [ 367.161190] ? lock_sock_nested+0x82/0x100 [ 367.161194] ? lock_sock_nested+0x82/0x100 [ 367.161200] ? __local_bh_enable_ip+0x160/0x260 [ 367.242728] sctp_sendmsg+0xb80/0x1710 [ 367.246615] ? sctp_id2assoc+0x250/0x250 [ 367.250667] ? ___might_sleep+0x16b/0x270 [ 367.254819] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.259746] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 367.264666] inet_sendmsg+0x108/0x440 [ 367.268482] ? security_socket_sendmsg+0x4a/0x90 [ 367.273231] ? ipip_gro_receive+0xf0/0xf0 [ 367.277812] sock_sendmsg+0xb5/0xf0 [ 367.281440] sock_write_iter+0x1e9/0x3d0 [ 367.285490] ? sock_sendmsg+0xf0/0xf0 [ 367.289302] __vfs_write+0x4a3/0x970 [ 367.293007] ? lock_downgrade+0x7f0/0x7f0 [ 367.297146] ? kernel_read+0x130/0x130 [ 367.301029] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.305955] ? apparmor_file_permission+0x15/0x20 [ 367.310792] ? rw_verify_area+0xb8/0x2b0 [ 367.314861] vfs_write+0x150/0x4e0 [ 367.318483] ksys_write+0xcd/0x1b0 [ 367.322018] ? __ia32_sys_read+0xa0/0xa0 [ 367.326077] ? do_syscall_64+0x21/0x4d0 [ 367.330042] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.335397] __x64_sys_write+0x6e/0xb0 [ 367.339285] do_syscall_64+0xd0/0x4d0 [ 367.343082] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.348265] RIP: 0033:0x4592c9 [ 367.351450] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 367.370345] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 367.378042] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 367.385301] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 367.392564] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 367.400002] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 367.407261] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 367.414538] CPU: 0 PID: 12188 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 367.415138] FAULT_INJECTION: forcing a failure. [ 367.415138] name failslab, interval 1, probability 0, space 0, times 0 [ 367.421729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.421733] Call Trace: [ 367.421745] dump_stack+0x113/0x167 [ 367.421757] should_fail.cold.4+0x5/0x13 [ 367.421764] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 367.421770] ? lock_downgrade+0x7f0/0x7f0 [ 367.421778] ? ___might_sleep+0x16b/0x270 [ 367.465886] __should_failslab+0xba/0xf0 [ 367.469942] should_failslab+0x9/0x14 [ 367.473732] kmem_cache_alloc_node+0x270/0x730 [ 367.478316] __alloc_skb+0xa7/0x570 [ 367.481935] ? skb_scrub_packet+0x3a0/0x3a0 [ 367.486258] _sctp_make_chunk+0x3f/0x260 [ 367.489769] FAULT_INJECTION: forcing a failure. [ 367.489769] name failslab, interval 1, probability 0, space 0, times 0 [ 367.490321] sctp_make_datafrag_empty+0x159/0x260 [ 367.506325] ? sctp_make_ecne+0xf0/0xf0 [ 367.510303] sctp_datamsg_from_user+0x4d7/0xf30 [ 367.514965] ? mark_held_locks+0x130/0x130 [ 367.519195] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 367.523767] ? __lock_is_held+0xb5/0x140 [ 367.527820] ? find_held_lock+0x36/0x1d0 [ 367.531889] ? sctp_clear_owner_w+0xf0/0xf0 [ 367.536197] ? lock_sock_nested+0xc5/0x100 [ 367.540427] ? lockdep_hardirqs_on+0x421/0x5c0 [ 367.544994] ? __local_bh_enable_ip+0x160/0x260 [ 367.549647] ? lock_sock_nested+0x82/0x100 [ 367.553873] ? trace_hardirqs_on+0x28/0x190 [ 367.558189] ? lock_sock_nested+0x82/0x100 [ 367.562414] ? lock_sock_nested+0x82/0x100 [ 367.566637] ? __local_bh_enable_ip+0x160/0x260 [ 367.571304] sctp_sendmsg+0xb80/0x1710 [ 367.575186] ? sctp_id2assoc+0x250/0x250 [ 367.579237] ? ___might_sleep+0x16b/0x270 [ 367.583385] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.588319] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 367.593239] inet_sendmsg+0x108/0x440 [ 367.597028] ? security_socket_sendmsg+0x4a/0x90 [ 367.601775] ? ipip_gro_receive+0xf0/0xf0 [ 367.605910] sock_sendmsg+0xb5/0xf0 [ 367.609533] sock_write_iter+0x1e9/0x3d0 [ 367.613593] ? sock_sendmsg+0xf0/0xf0 [ 367.617399] __vfs_write+0x4a3/0x970 [ 367.621106] ? lock_downgrade+0x7f0/0x7f0 [ 367.625240] ? kernel_read+0x130/0x130 [ 367.629117] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.634039] ? apparmor_file_permission+0x15/0x20 [ 367.638875] ? rw_verify_area+0xb8/0x2b0 [ 367.642932] vfs_write+0x150/0x4e0 [ 367.646555] ksys_write+0xcd/0x1b0 [ 367.650084] ? __ia32_sys_read+0xa0/0xa0 [ 367.654138] ? do_syscall_64+0x21/0x4d0 [ 367.658103] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.663456] __x64_sys_write+0x6e/0xb0 [ 367.667336] do_syscall_64+0xd0/0x4d0 [ 367.671135] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.676321] RIP: 0033:0x4592c9 [ 367.679505] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 367.698397] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 367.706099] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 367.713357] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 367.720616] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 367.729350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 367.736613] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 367.743893] CPU: 1 PID: 12173 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 367.751106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.760454] Call Trace: [ 367.763043] dump_stack+0x113/0x167 [ 367.766666] should_fail.cold.4+0x5/0x13 [ 367.770718] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 367.775815] ? lock_downgrade+0x7f0/0x7f0 [ 367.779954] ? ___might_sleep+0x16b/0x270 [ 367.784189] __should_failslab+0xba/0xf0 [ 367.788240] should_failslab+0x9/0x14 [ 367.792060] kmem_cache_alloc_node+0x270/0x730 [ 367.796644] __alloc_skb+0xa7/0x570 [ 367.800268] ? skb_scrub_packet+0x3a0/0x3a0 [ 367.804589] _sctp_make_chunk+0x3f/0x260 [ 367.808642] sctp_make_datafrag_empty+0x159/0x260 [ 367.813481] ? sctp_make_ecne+0xf0/0xf0 [ 367.817453] sctp_datamsg_from_user+0x4d7/0xf30 [ 367.822118] ? mark_held_locks+0x130/0x130 [ 367.826356] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 367.830928] ? __lock_is_held+0xb5/0x140 [ 367.834989] ? find_held_lock+0x36/0x1d0 [ 367.839059] ? sctp_clear_owner_w+0xf0/0xf0 [ 367.843373] ? lock_sock_nested+0xc5/0x100 [ 367.847599] ? lockdep_hardirqs_on+0x421/0x5c0 [ 367.852171] ? __local_bh_enable_ip+0x160/0x260 [ 367.856916] ? lock_sock_nested+0x82/0x100 [ 367.861593] ? trace_hardirqs_on+0x28/0x190 [ 367.865902] ? lock_sock_nested+0x82/0x100 [ 367.870125] ? lock_sock_nested+0x82/0x100 [ 367.874354] ? __local_bh_enable_ip+0x160/0x260 [ 367.879031] sctp_sendmsg+0xb80/0x1710 [ 367.882916] ? sctp_id2assoc+0x250/0x250 [ 367.887251] ? ___might_sleep+0x16b/0x270 [ 367.891398] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.896338] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 367.901265] inet_sendmsg+0x108/0x440 [ 367.905082] ? security_socket_sendmsg+0x4a/0x90 [ 367.909920] ? ipip_gro_receive+0xf0/0xf0 [ 367.914061] sock_sendmsg+0xb5/0xf0 [ 367.917680] sock_write_iter+0x1e9/0x3d0 [ 367.921732] ? sock_sendmsg+0xf0/0xf0 [ 367.925534] __vfs_write+0x4a3/0x970 [ 367.929242] ? lock_downgrade+0x7f0/0x7f0 [ 367.933379] ? kernel_read+0x130/0x130 [ 367.937255] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 367.942186] ? apparmor_file_permission+0x15/0x20 [ 367.947020] ? rw_verify_area+0xb8/0x2b0 [ 367.951074] vfs_write+0x150/0x4e0 [ 367.954604] ksys_write+0xcd/0x1b0 [ 367.958144] ? __ia32_sys_read+0xa0/0xa0 [ 367.962196] ? do_syscall_64+0x21/0x4d0 [ 367.966172] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.971526] __x64_sys_write+0x6e/0xb0 [ 367.975407] do_syscall_64+0xd0/0x4d0 [ 367.979199] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.984379] RIP: 0033:0x4592c9 [ 367.987561] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 368.006456] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 368.014155] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 368.021451] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 368.028710] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 368.035968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 368.043229] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 368.050507] CPU: 0 PID: 12189 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 368.057701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.067048] Call Trace: [ 368.069632] dump_stack+0x113/0x167 [ 368.073258] should_fail.cold.4+0x5/0x13 [ 368.077312] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 368.082401] ? lock_downgrade+0x7f0/0x7f0 [ 368.086535] ? ___might_sleep+0x16b/0x270 [ 368.090683] __should_failslab+0xba/0xf0 [ 368.094741] should_failslab+0x9/0x14 [ 368.098525] kmem_cache_alloc_trace+0x2d8/0x740 [ 368.103188] sctp_datamsg_from_user+0x7f/0xf30 [ 368.107758] ? kmem_cache_alloc_trace+0x353/0x740 [ 368.112589] ? sctp_sched_init_sid+0xf1/0x170 [ 368.117078] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 368.121643] ? __lock_is_held+0xb5/0x140 [ 368.125689] ? find_held_lock+0x36/0x1d0 [ 368.129750] ? sctp_clear_owner_w+0xf0/0xf0 [ 368.134069] ? lock_sock_nested+0xc5/0x100 [ 368.138311] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.142884] ? __local_bh_enable_ip+0x160/0x260 [ 368.147540] ? lock_sock_nested+0x82/0x100 [ 368.151764] ? trace_hardirqs_on+0x28/0x190 [ 368.156074] ? lock_sock_nested+0x82/0x100 [ 368.160302] ? lock_sock_nested+0x82/0x100 [ 368.164530] ? __local_bh_enable_ip+0x160/0x260 [ 368.169196] sctp_sendmsg+0xb80/0x1710 [ 368.173081] ? sctp_id2assoc+0x250/0x250 [ 368.177132] ? ___might_sleep+0x16b/0x270 [ 368.181272] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.186198] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 368.191120] inet_sendmsg+0x108/0x440 [ 368.194910] ? security_socket_sendmsg+0x4a/0x90 [ 368.199656] ? ipip_gro_receive+0xf0/0xf0 [ 368.203795] sock_sendmsg+0xb5/0xf0 [ 368.207418] sock_write_iter+0x1e9/0x3d0 [ 368.211468] ? sock_sendmsg+0xf0/0xf0 [ 368.215267] __vfs_write+0x4a3/0x970 [ 368.218966] ? lock_downgrade+0x7f0/0x7f0 [ 368.223110] ? kernel_read+0x130/0x130 [ 368.227010] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.231933] ? apparmor_file_permission+0x15/0x20 [ 368.236766] ? rw_verify_area+0xb8/0x2b0 [ 368.240818] vfs_write+0x150/0x4e0 [ 368.244345] ksys_write+0xcd/0x1b0 [ 368.247875] ? __ia32_sys_read+0xa0/0xa0 [ 368.251929] ? do_syscall_64+0x21/0x4d0 [ 368.255893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.261252] __x64_sys_write+0x6e/0xb0 [ 368.265130] do_syscall_64+0xd0/0x4d0 [ 368.268922] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.274101] RIP: 0033:0x4592c9 [ 368.277291] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 368.296187] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 368.303884] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 368.311247] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 368.318507] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 368.325763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 368.333027] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 368.340310] CPU: 1 PID: 12186 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 368.347507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.356850] Call Trace: [ 368.356863] dump_stack+0x113/0x167 [ 368.356876] should_fail.cold.4+0x5/0x13 [ 368.356883] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 368.363072] ? lock_downgrade+0x7f0/0x7f0 [ 368.376339] ? ___might_sleep+0x16b/0x270 [ 368.380489] __should_failslab+0xba/0xf0 [ 368.384551] should_failslab+0x9/0x14 [ 368.388349] kmem_cache_alloc_node+0x270/0x730 [ 368.388357] ? find_held_lock+0x36/0x1d0 [ 368.388370] __alloc_skb+0xa7/0x570 [ 368.388377] ? skb_scrub_packet+0x3a0/0x3a0 [ 368.388393] _sctp_make_chunk+0x3f/0x260 [ 368.388402] sctp_make_datafrag_empty+0x159/0x260 [ 368.388409] ? sctp_make_ecne+0xf0/0xf0 [ 368.388419] ? process_measurement+0x805/0x14b0 [ 368.388427] sctp_datamsg_from_user+0x4d7/0xf30 [ 368.397046] ? mark_held_locks+0x130/0x130 [ 368.397059] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 368.397067] ? find_held_lock+0x36/0x1d0 [ 368.397078] ? sctp_clear_owner_w+0xf0/0xf0 [ 368.397084] ? lock_sock_nested+0xc5/0x100 [ 368.397090] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.397096] ? __local_bh_enable_ip+0x160/0x260 [ 368.397101] ? lock_sock_nested+0x82/0x100 [ 368.397106] ? trace_hardirqs_on+0x28/0x190 [ 368.397111] ? lock_sock_nested+0x82/0x100 [ 368.397116] ? lock_sock_nested+0x82/0x100 [ 368.397122] ? __local_bh_enable_ip+0x160/0x260 [ 368.397131] sctp_sendmsg+0xb80/0x1710 [ 368.397141] ? sctp_id2assoc+0x250/0x250 [ 368.457768] FAULT_INJECTION: forcing a failure. [ 368.457768] name failslab, interval 1, probability 0, space 0, times 0 [ 368.457793] ? ___might_sleep+0x16b/0x270 [ 368.502654] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.507586] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 368.512520] inet_sendmsg+0x108/0x440 [ 368.516312] ? security_socket_sendmsg+0x4a/0x90 [ 368.521060] ? ipip_gro_receive+0xf0/0xf0 [ 368.525199] sock_sendmsg+0xb5/0xf0 [ 368.528821] sock_write_iter+0x1e9/0x3d0 [ 368.532962] ? sock_sendmsg+0xf0/0xf0 [ 368.536763] __vfs_write+0x4a3/0x970 [ 368.540473] ? lock_downgrade+0x7f0/0x7f0 [ 368.544613] ? kernel_read+0x130/0x130 [ 368.548494] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.553422] ? apparmor_file_permission+0x15/0x20 [ 368.558264] ? rw_verify_area+0xb8/0x2b0 [ 368.562321] vfs_write+0x150/0x4e0 [ 368.565854] ksys_write+0xcd/0x1b0 [ 368.569391] ? __ia32_sys_read+0xa0/0xa0 [ 368.573443] ? do_syscall_64+0x21/0x4d0 [ 368.577413] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.582775] __x64_sys_write+0x6e/0xb0 [ 368.586663] do_syscall_64+0xd0/0x4d0 [ 368.590467] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.595647] RIP: 0033:0x4592c9 [ 368.598830] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 368.617731] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 368.625429] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 368.632698] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 368.639954] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 368.647233] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 368.654492] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 368.661770] CPU: 0 PID: 12195 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 368.668969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.678323] Call Trace: [ 368.680906] dump_stack+0x113/0x167 [ 368.684526] should_fail.cold.4+0x5/0x13 [ 368.688577] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 368.693673] ? lock_downgrade+0x7f0/0x7f0 [ 368.697816] ? ___might_sleep+0x16b/0x270 [ 368.701965] __should_failslab+0xba/0xf0 [ 368.706017] should_failslab+0x9/0x14 [ 368.709803] kmem_cache_alloc_node+0x270/0x730 [ 368.714382] ? find_held_lock+0x36/0x1d0 [ 368.718443] __alloc_skb+0xa7/0x570 [ 368.722059] ? skb_scrub_packet+0x3a0/0x3a0 [ 368.726382] _sctp_make_chunk+0x3f/0x260 [ 368.730437] sctp_make_datafrag_empty+0x159/0x260 [ 368.735272] ? sctp_make_ecne+0xf0/0xf0 [ 368.739248] ? process_measurement+0x805/0x14b0 [ 368.743908] sctp_datamsg_from_user+0x4d7/0xf30 [ 368.748593] ? mark_held_locks+0x130/0x130 [ 368.757530] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 368.762456] ? find_held_lock+0x36/0x1d0 [ 368.766522] ? sctp_clear_owner_w+0xf0/0xf0 [ 368.770839] ? lock_sock_nested+0xc5/0x100 [ 368.775063] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.779640] ? __local_bh_enable_ip+0x160/0x260 [ 368.784306] ? lock_sock_nested+0x82/0x100 [ 368.788533] ? trace_hardirqs_on+0x28/0x190 [ 368.792844] ? lock_sock_nested+0x82/0x100 [ 368.797072] ? lock_sock_nested+0x82/0x100 [ 368.801301] ? __local_bh_enable_ip+0x160/0x260 [ 368.805966] sctp_sendmsg+0xb80/0x1710 [ 368.809852] ? sctp_id2assoc+0x250/0x250 [ 368.813915] ? ___might_sleep+0x16b/0x270 [ 368.818855] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.823788] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 368.828716] inet_sendmsg+0x108/0x440 [ 368.832517] ? security_socket_sendmsg+0x4a/0x90 [ 368.837259] ? ipip_gro_receive+0xf0/0xf0 [ 368.841403] sock_sendmsg+0xb5/0xf0 [ 368.845026] sock_write_iter+0x1e9/0x3d0 [ 368.849082] ? sock_sendmsg+0xf0/0xf0 [ 368.852887] __vfs_write+0x4a3/0x970 [ 368.856591] ? lock_downgrade+0x7f0/0x7f0 [ 368.861536] ? kernel_read+0x130/0x130 [ 368.865417] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 368.870352] ? apparmor_file_permission+0x15/0x20 [ 368.875197] ? rw_verify_area+0xb8/0x2b0 [ 368.879287] vfs_write+0x150/0x4e0 [ 368.882826] ksys_write+0xcd/0x1b0 [ 368.886360] ? __ia32_sys_read+0xa0/0xa0 [ 368.890411] ? do_syscall_64+0x21/0x4d0 [ 368.894378] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.899733] __x64_sys_write+0x6e/0xb0 [ 368.903614] do_syscall_64+0xd0/0x4d0 [ 368.907406] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.912583] RIP: 0033:0x4592c9 [ 368.915774] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 368.934679] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 368.942390] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 368.949672] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 368.956931] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 368.964194] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 368.971499] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 368.978809] CPU: 1 PID: 12183 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 368.986033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.995405] Call Trace: [ 368.997990] dump_stack+0x113/0x167 [ 368.998003] should_fail.cold.4+0x5/0x13 [ 368.998012] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 369.005678] ? lock_downgrade+0x7f0/0x7f0 [ 369.014894] ? ___might_sleep+0x16b/0x270 [ 369.019056] __should_failslab+0xba/0xf0 [ 369.023120] should_failslab+0x9/0x14 [ 369.026918] kmem_cache_alloc_trace+0x2d8/0x740 [ 369.031598] sctp_datamsg_from_user+0x7f/0xf30 [ 369.036170] ? kmem_cache_alloc_trace+0x353/0x740 [ 369.041010] ? sctp_sched_init_sid+0xf1/0x170 [ 369.041022] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 369.041031] ? find_held_lock+0x36/0x1d0 [ 369.041041] ? sctp_clear_owner_w+0xf0/0xf0 [ 369.041049] ? lock_sock_nested+0xc5/0x100 [ 369.041055] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.041061] ? __local_bh_enable_ip+0x160/0x260 [ 369.041066] ? lock_sock_nested+0x82/0x100 [ 369.041071] ? trace_hardirqs_on+0x28/0x190 [ 369.041076] ? lock_sock_nested+0x82/0x100 [ 369.041080] ? lock_sock_nested+0x82/0x100 [ 369.041086] ? __local_bh_enable_ip+0x160/0x260 [ 369.041095] sctp_sendmsg+0xb80/0x1710 [ 369.090173] FAULT_INJECTION: forcing a failure. [ 369.090173] name failslab, interval 1, probability 0, space 0, times 0 [ 369.093580] ? sctp_id2assoc+0x250/0x250 [ 369.093589] ? ___might_sleep+0x16b/0x270 [ 369.093601] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.093614] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 369.093626] inet_sendmsg+0x108/0x440 [ 369.130457] ? security_socket_sendmsg+0x4a/0x90 [ 369.135207] ? ipip_gro_receive+0xf0/0xf0 [ 369.139349] sock_sendmsg+0xb5/0xf0 [ 369.142977] sock_write_iter+0x1e9/0x3d0 [ 369.147036] ? sock_sendmsg+0xf0/0xf0 [ 369.150846] __vfs_write+0x4a3/0x970 [ 369.152568] FAULT_INJECTION: forcing a failure. [ 369.152568] name failslab, interval 1, probability 0, space 0, times 0 [ 369.154555] ? lock_downgrade+0x7f0/0x7f0 [ 369.154562] ? kernel_read+0x130/0x130 [ 369.154571] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.154585] ? apparmor_file_permission+0x15/0x20 [ 369.154593] ? rw_verify_area+0xb8/0x2b0 [ 369.154600] vfs_write+0x150/0x4e0 [ 369.154608] ksys_write+0xcd/0x1b0 [ 369.194609] ? __ia32_sys_read+0xa0/0xa0 [ 369.198673] ? do_syscall_64+0x21/0x4d0 [ 369.202641] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.207999] __x64_sys_write+0x6e/0xb0 [ 369.211901] do_syscall_64+0xd0/0x4d0 [ 369.215704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.220883] RIP: 0033:0x4592c9 [ 369.224066] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 369.242955] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 369.250650] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 369.257911] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 369.265175] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 369.272781] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 369.280047] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 369.287323] CPU: 0 PID: 12206 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 369.294511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.303856] Call Trace: [ 369.306445] dump_stack+0x113/0x167 [ 369.310070] should_fail.cold.4+0x5/0x13 [ 369.314125] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 369.319223] ? lock_downgrade+0x7f0/0x7f0 [ 369.323370] ? ___might_sleep+0x16b/0x270 [ 369.327515] __should_failslab+0xba/0xf0 [ 369.327523] should_failslab+0x9/0x14 [ 369.327528] kmem_cache_alloc_node+0x270/0x730 [ 369.327535] ? find_held_lock+0x36/0x1d0 [ 369.327547] __alloc_skb+0xa7/0x570 [ 369.327554] ? skb_scrub_packet+0x3a0/0x3a0 [ 369.327568] _sctp_make_chunk+0x3f/0x260 [ 369.327577] sctp_make_datafrag_empty+0x159/0x260 [ 369.327584] ? sctp_make_ecne+0xf0/0xf0 [ 369.327595] ? process_measurement+0x805/0x14b0 [ 369.327604] sctp_datamsg_from_user+0x4d7/0xf30 [ 369.327612] ? mark_held_locks+0x130/0x130 [ 369.327623] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 369.340016] ? find_held_lock+0x36/0x1d0 [ 369.340027] ? sctp_clear_owner_w+0xf0/0xf0 [ 369.340032] ? lock_sock_nested+0xc5/0x100 [ 369.340037] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.340043] ? __local_bh_enable_ip+0x160/0x260 [ 369.340048] ? lock_sock_nested+0x82/0x100 [ 369.408923] ? trace_hardirqs_on+0x28/0x190 [ 369.413251] ? lock_sock_nested+0x82/0x100 [ 369.417489] ? lock_sock_nested+0x82/0x100 [ 369.421722] ? __local_bh_enable_ip+0x160/0x260 [ 369.426387] sctp_sendmsg+0xb80/0x1710 [ 369.430273] ? sctp_id2assoc+0x250/0x250 [ 369.434368] ? ___might_sleep+0x16b/0x270 [ 369.438517] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.443473] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 369.448401] inet_sendmsg+0x108/0x440 [ 369.452197] ? security_socket_sendmsg+0x4a/0x90 [ 369.456944] ? ipip_gro_receive+0xf0/0xf0 [ 369.461083] sock_sendmsg+0xb5/0xf0 [ 369.464724] sock_write_iter+0x1e9/0x3d0 [ 369.468803] ? sock_sendmsg+0xf0/0xf0 [ 369.472607] __vfs_write+0x4a3/0x970 [ 369.476356] ? lock_downgrade+0x7f0/0x7f0 [ 369.480494] ? kernel_read+0x130/0x130 [ 369.484373] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.489306] ? apparmor_file_permission+0x15/0x20 [ 369.494142] ? rw_verify_area+0xb8/0x2b0 [ 369.498201] vfs_write+0x150/0x4e0 [ 369.501748] ksys_write+0xcd/0x1b0 [ 369.505284] ? __ia32_sys_read+0xa0/0xa0 [ 369.509352] ? do_syscall_64+0x21/0x4d0 [ 369.513328] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.518682] __x64_sys_write+0x6e/0xb0 [ 369.522561] do_syscall_64+0xd0/0x4d0 [ 369.526354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.531532] RIP: 0033:0x4592c9 [ 369.534718] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 369.553610] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 369.561313] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 369.568576] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 369.575842] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 369.583100] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 369.590363] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 369.597638] CPU: 1 PID: 12205 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 369.604835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.614186] Call Trace: [ 369.616776] dump_stack+0x113/0x167 [ 369.620412] should_fail.cold.4+0x5/0x13 [ 369.624474] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 369.629576] ? lock_downgrade+0x7f0/0x7f0 [ 369.633726] ? ___might_sleep+0x16b/0x270 [ 369.637888] __should_failslab+0xba/0xf0 [ 369.641951] should_failslab+0x9/0x14 [ 369.645756] kmem_cache_alloc_node+0x270/0x730 [ 369.650339] ? find_held_lock+0x36/0x1d0 [ 369.654404] __alloc_skb+0xa7/0x570 [ 369.658026] ? skb_scrub_packet+0x3a0/0x3a0 [ 369.662353] _sctp_make_chunk+0x3f/0x260 [ 369.666416] sctp_make_datafrag_empty+0x159/0x260 [ 369.671264] ? sctp_make_ecne+0xf0/0xf0 [ 369.675240] ? process_measurement+0x805/0x14b0 [ 369.679910] sctp_datamsg_from_user+0x4d7/0xf30 [ 369.684580] ? mark_held_locks+0x130/0x130 [ 369.688824] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 369.693407] ? find_held_lock+0x36/0x1d0 [ 369.697469] ? sctp_clear_owner_w+0xf0/0xf0 [ 369.701789] ? lock_sock_nested+0xc5/0x100 [ 369.706069] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.710652] ? __local_bh_enable_ip+0x160/0x260 [ 369.715318] ? lock_sock_nested+0x82/0x100 [ 369.719547] ? trace_hardirqs_on+0x28/0x190 [ 369.723871] ? lock_sock_nested+0x82/0x100 [ 369.725631] FAULT_INJECTION: forcing a failure. [ 369.725631] name failslab, interval 1, probability 0, space 0, times 0 [ 369.729216] ? lock_sock_nested+0x82/0x100 [ 369.729225] ? __local_bh_enable_ip+0x160/0x260 [ 369.729237] sctp_sendmsg+0xb80/0x1710 [ 369.729249] ? sctp_id2assoc+0x250/0x250 [ 369.729256] ? ___might_sleep+0x16b/0x270 [ 369.729267] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.729281] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 369.729290] inet_sendmsg+0x108/0x440 [ 369.729297] ? security_socket_sendmsg+0x4a/0x90 [ 369.743123] FAULT_INJECTION: forcing a failure. [ 369.743123] name failslab, interval 1, probability 0, space 0, times 0 [ 369.744704] ? ipip_gro_receive+0xf0/0xf0 [ 369.744713] sock_sendmsg+0xb5/0xf0 [ 369.744721] sock_write_iter+0x1e9/0x3d0 [ 369.744728] ? sock_sendmsg+0xf0/0xf0 [ 369.744747] __vfs_write+0x4a3/0x970 [ 369.744755] ? lock_downgrade+0x7f0/0x7f0 [ 369.765279] FAULT_INJECTION: forcing a failure. [ 369.765279] name failslab, interval 1, probability 0, space 0, times 0 [ 369.766386] ? kernel_read+0x130/0x130 [ 369.766397] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 369.766410] ? apparmor_file_permission+0x15/0x20 [ 369.766418] ? rw_verify_area+0xb8/0x2b0 [ 369.766426] vfs_write+0x150/0x4e0 [ 369.847018] ksys_write+0xcd/0x1b0 [ 369.850557] ? __ia32_sys_read+0xa0/0xa0 [ 369.854613] ? do_syscall_64+0x21/0x4d0 [ 369.858587] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.864464] __x64_sys_write+0x6e/0xb0 [ 369.868350] do_syscall_64+0xd0/0x4d0 [ 369.872143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.877323] RIP: 0033:0x4592c9 [ 369.880508] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 369.899404] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 369.907111] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 369.914371] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 369.921635] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 369.928900] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 369.936158] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 369.943438] CPU: 0 PID: 12221 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 369.950715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.950719] Call Trace: [ 369.950732] dump_stack+0x113/0x167 [ 369.950744] should_fail.cold.4+0x5/0x13 [ 369.950754] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 369.975506] ? lock_downgrade+0x7f0/0x7f0 [ 369.979648] ? ___might_sleep+0x16b/0x270 [ 369.979659] __should_failslab+0xba/0xf0 [ 369.979667] should_failslab+0x9/0x14 [ 369.979672] kmem_cache_alloc_node+0x270/0x730 [ 369.979678] ? find_held_lock+0x36/0x1d0 [ 369.979690] __alloc_skb+0xa7/0x570 [ 369.979697] ? skb_scrub_packet+0x3a0/0x3a0 [ 369.979710] _sctp_make_chunk+0x3f/0x260 [ 369.979719] sctp_make_datafrag_empty+0x159/0x260 [ 369.979726] ? sctp_make_ecne+0xf0/0xf0 [ 369.979736] ? process_measurement+0x805/0x14b0 [ 369.979747] sctp_datamsg_from_user+0x4d7/0xf30 [ 369.991811] ? mark_held_locks+0x130/0x130 [ 369.991825] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 369.991832] ? find_held_lock+0x36/0x1d0 [ 370.000459] ? sctp_clear_owner_w+0xf0/0xf0 [ 370.000466] ? lock_sock_nested+0xc5/0x100 [ 370.000472] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.000478] ? __local_bh_enable_ip+0x160/0x260 [ 370.000482] ? lock_sock_nested+0x82/0x100 [ 370.000487] ? trace_hardirqs_on+0x28/0x190 [ 370.000492] ? lock_sock_nested+0x82/0x100 [ 370.000496] ? lock_sock_nested+0x82/0x100 [ 370.000502] ? __local_bh_enable_ip+0x160/0x260 [ 370.000511] sctp_sendmsg+0xb80/0x1710 [ 370.000521] ? sctp_id2assoc+0x250/0x250 [ 370.000529] ? ___might_sleep+0x16b/0x270 [ 370.000540] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.000553] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 370.012516] inet_sendmsg+0x108/0x440 [ 370.012523] ? security_socket_sendmsg+0x4a/0x90 [ 370.012529] ? ipip_gro_receive+0xf0/0xf0 [ 370.012537] sock_sendmsg+0xb5/0xf0 [ 370.012543] sock_write_iter+0x1e9/0x3d0 [ 370.012550] ? sock_sendmsg+0xf0/0xf0 [ 370.021354] __vfs_write+0x4a3/0x970 [ 370.030658] ? lock_downgrade+0x7f0/0x7f0 [ 370.030664] ? kernel_read+0x130/0x130 [ 370.030673] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.030689] ? apparmor_file_permission+0x15/0x20 [ 370.030697] ? rw_verify_area+0xb8/0x2b0 [ 370.030706] vfs_write+0x150/0x4e0 [ 370.030713] ksys_write+0xcd/0x1b0 [ 370.030719] ? __ia32_sys_read+0xa0/0xa0 [ 370.030727] ? do_syscall_64+0x21/0x4d0 [ 370.030736] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.030744] __x64_sys_write+0x6e/0xb0 [ 370.030750] do_syscall_64+0xd0/0x4d0 [ 370.030758] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.030764] RIP: 0033:0x4592c9 [ 370.039555] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 370.210030] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 370.217727] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 370.224989] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 370.232248] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 2019/06/15 21:34:06 executed programs: 1304 [ 370.239513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 370.246774] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 370.247674] FAULT_INJECTION: forcing a failure. [ 370.247674] name failslab, interval 1, probability 0, space 0, times 0 [ 370.296879] CPU: 1 PID: 12220 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 370.304096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.307989] FAULT_INJECTION: forcing a failure. [ 370.307989] name failslab, interval 1, probability 0, space 0, times 0 [ 370.313452] Call Trace: [ 370.313466] dump_stack+0x113/0x167 [ 370.313479] should_fail.cold.4+0x5/0x13 [ 370.313487] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 370.313493] ? lock_downgrade+0x7f0/0x7f0 [ 370.313502] ? ___might_sleep+0x16b/0x270 [ 370.348278] __should_failslab+0xba/0xf0 [ 370.352348] should_failslab+0x9/0x14 [ 370.356142] kmem_cache_alloc_node+0x270/0x730 [ 370.360724] ? find_held_lock+0x36/0x1d0 [ 370.364786] __alloc_skb+0xa7/0x570 [ 370.368410] ? skb_scrub_packet+0x3a0/0x3a0 [ 370.372732] _sctp_make_chunk+0x3f/0x260 [ 370.376790] sctp_make_datafrag_empty+0x159/0x260 [ 370.381628] ? sctp_make_ecne+0xf0/0xf0 [ 370.385597] ? process_measurement+0x805/0x14b0 [ 370.390257] sctp_datamsg_from_user+0x4d7/0xf30 [ 370.394918] ? mark_held_locks+0x130/0x130 [ 370.399158] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 370.403738] ? find_held_lock+0x36/0x1d0 [ 370.407791] ? sctp_clear_owner_w+0xf0/0xf0 [ 370.412111] ? lock_sock_nested+0xc5/0x100 [ 370.416334] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.420933] ? __local_bh_enable_ip+0x160/0x260 [ 370.425677] ? lock_sock_nested+0x82/0x100 [ 370.429905] ? trace_hardirqs_on+0x28/0x190 [ 370.434218] ? lock_sock_nested+0x82/0x100 [ 370.438446] ? lock_sock_nested+0x82/0x100 [ 370.442675] ? __local_bh_enable_ip+0x160/0x260 [ 370.447337] sctp_sendmsg+0xb80/0x1710 [ 370.451219] ? sctp_id2assoc+0x250/0x250 [ 370.455271] ? ___might_sleep+0x16b/0x270 [ 370.459439] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.464367] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 370.469294] inet_sendmsg+0x108/0x440 [ 370.473310] ? security_socket_sendmsg+0x4a/0x90 [ 370.478058] ? ipip_gro_receive+0xf0/0xf0 [ 370.482195] sock_sendmsg+0xb5/0xf0 [ 370.485819] sock_write_iter+0x1e9/0x3d0 [ 370.489872] ? sock_sendmsg+0xf0/0xf0 [ 370.493677] __vfs_write+0x4a3/0x970 [ 370.497388] ? lock_downgrade+0x7f0/0x7f0 [ 370.501531] ? kernel_read+0x130/0x130 [ 370.505412] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.510338] ? apparmor_file_permission+0x15/0x20 [ 370.515176] ? rw_verify_area+0xb8/0x2b0 [ 370.519232] vfs_write+0x150/0x4e0 [ 370.522764] ksys_write+0xcd/0x1b0 [ 370.526299] ? __ia32_sys_read+0xa0/0xa0 [ 370.530375] ? do_syscall_64+0x21/0x4d0 [ 370.534354] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.539720] __x64_sys_write+0x6e/0xb0 [ 370.543611] do_syscall_64+0xd0/0x4d0 [ 370.547418] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.552606] RIP: 0033:0x4592c9 [ 370.555803] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 370.574700] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 370.582404] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 370.584743] FAULT_INJECTION: forcing a failure. [ 370.584743] name failslab, interval 1, probability 0, space 0, times 0 [ 370.589664] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 370.589668] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 370.589671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 370.589674] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 370.593556] CPU: 1 PID: 12217 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 370.622680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.622684] Call Trace: [ 370.622697] dump_stack+0x113/0x167 [ 370.622710] should_fail.cold.4+0x5/0x13 [ 370.622720] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 370.646512] ? lock_downgrade+0x7f0/0x7f0 [ 370.646522] ? ___might_sleep+0x16b/0x270 [ 370.646533] __should_failslab+0xba/0xf0 [ 370.646544] should_failslab+0x9/0x14 [ 370.677972] kmem_cache_alloc_node+0x270/0x730 [ 370.682553] ? find_held_lock+0x36/0x1d0 [ 370.686616] __alloc_skb+0xa7/0x570 [ 370.690244] ? skb_scrub_packet+0x3a0/0x3a0 [ 370.694568] _sctp_make_chunk+0x3f/0x260 [ 370.698627] sctp_make_datafrag_empty+0x159/0x260 [ 370.703468] ? sctp_make_ecne+0xf0/0xf0 [ 370.707445] ? process_measurement+0x805/0x14b0 [ 370.712110] sctp_datamsg_from_user+0x4d7/0xf30 [ 370.716774] ? mark_held_locks+0x130/0x130 [ 370.721014] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 370.725593] ? find_held_lock+0x36/0x1d0 [ 370.729649] ? sctp_clear_owner_w+0xf0/0xf0 [ 370.734049] ? lock_sock_nested+0xc5/0x100 [ 370.738272] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.743601] ? __local_bh_enable_ip+0x160/0x260 [ 370.752864] ? lock_sock_nested+0x82/0x100 [ 370.757093] ? trace_hardirqs_on+0x28/0x190 [ 370.761488] ? lock_sock_nested+0x82/0x100 [ 370.765709] ? lock_sock_nested+0x82/0x100 [ 370.769934] ? __local_bh_enable_ip+0x160/0x260 [ 370.774629] sctp_sendmsg+0xb80/0x1710 [ 370.778514] ? sctp_id2assoc+0x250/0x250 [ 370.782567] ? ___might_sleep+0x16b/0x270 [ 370.786712] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.791643] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 370.796573] inet_sendmsg+0x108/0x440 [ 370.800372] ? security_socket_sendmsg+0x4a/0x90 [ 370.805124] ? ipip_gro_receive+0xf0/0xf0 [ 370.809262] sock_sendmsg+0xb5/0xf0 [ 370.812905] sock_write_iter+0x1e9/0x3d0 [ 370.816959] ? sock_sendmsg+0xf0/0xf0 [ 370.820760] __vfs_write+0x4a3/0x970 [ 370.824472] ? lock_downgrade+0x7f0/0x7f0 [ 370.828608] ? kernel_read+0x130/0x130 [ 370.832512] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 370.837447] ? apparmor_file_permission+0x15/0x20 [ 370.842289] ? rw_verify_area+0xb8/0x2b0 [ 370.846342] vfs_write+0x150/0x4e0 [ 370.849876] ksys_write+0xcd/0x1b0 [ 370.853409] ? __ia32_sys_read+0xa0/0xa0 [ 370.857463] ? do_syscall_64+0x21/0x4d0 [ 370.862963] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.868326] __x64_sys_write+0x6e/0xb0 [ 370.872207] do_syscall_64+0xd0/0x4d0 [ 370.876005] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.888390] RIP: 0033:0x4592c9 [ 370.891576] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 370.910474] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 370.918171] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 370.925431] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 370.932780] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 370.940043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 370.947305] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 370.954587] CPU: 0 PID: 12236 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 370.961779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.971126] Call Trace: [ 370.973713] dump_stack+0x113/0x167 [ 370.977361] should_fail.cold.4+0x5/0x13 [ 370.981420] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 370.986517] ? lock_downgrade+0x7f0/0x7f0 [ 370.990667] ? ___might_sleep+0x16b/0x270 [ 370.994908] __should_failslab+0xba/0xf0 [ 370.998964] should_failslab+0x9/0x14 [ 371.002752] kmem_cache_alloc_node+0x270/0x730 [ 371.007328] ? find_held_lock+0x36/0x1d0 [ 371.011395] __alloc_skb+0xa7/0x570 [ 371.015018] ? skb_scrub_packet+0x3a0/0x3a0 [ 371.019344] _sctp_make_chunk+0x3f/0x260 [ 371.023400] sctp_make_datafrag_empty+0x159/0x260 [ 371.028240] ? sctp_make_ecne+0xf0/0xf0 [ 371.032235] ? process_measurement+0x805/0x14b0 [ 371.036908] sctp_datamsg_from_user+0x4d7/0xf30 [ 371.041577] ? mark_held_locks+0x130/0x130 [ 371.045803] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 371.050379] ? find_held_lock+0x36/0x1d0 [ 371.054438] ? sctp_clear_owner_w+0xf0/0xf0 [ 371.058749] ? lock_sock_nested+0xc5/0x100 [ 371.062978] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.067556] ? __local_bh_enable_ip+0x160/0x260 [ 371.072215] ? lock_sock_nested+0x82/0x100 [ 371.076437] ? trace_hardirqs_on+0x28/0x190 [ 371.080743] ? lock_sock_nested+0x82/0x100 [ 371.084969] ? lock_sock_nested+0x82/0x100 [ 371.089199] ? __local_bh_enable_ip+0x160/0x260 [ 371.093865] sctp_sendmsg+0xb80/0x1710 [ 371.097777] ? sctp_id2assoc+0x250/0x250 [ 371.101830] ? ___might_sleep+0x16b/0x270 [ 371.106003] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.110931] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 371.115857] inet_sendmsg+0x108/0x440 [ 371.119649] ? security_socket_sendmsg+0x4a/0x90 [ 371.124392] ? ipip_gro_receive+0xf0/0xf0 [ 371.128564] sock_sendmsg+0xb5/0xf0 [ 371.132182] sock_write_iter+0x1e9/0x3d0 [ 371.136493] ? sock_sendmsg+0xf0/0xf0 [ 371.140300] __vfs_write+0x4a3/0x970 [ 371.144006] ? lock_downgrade+0x7f0/0x7f0 [ 371.148227] ? kernel_read+0x130/0x130 [ 371.152107] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.157029] ? apparmor_file_permission+0x15/0x20 [ 371.161866] ? rw_verify_area+0xb8/0x2b0 [ 371.165914] vfs_write+0x150/0x4e0 [ 371.169445] ksys_write+0xcd/0x1b0 [ 371.172973] ? __ia32_sys_read+0xa0/0xa0 [ 371.177030] ? do_syscall_64+0x21/0x4d0 [ 371.180997] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.186354] __x64_sys_write+0x6e/0xb0 [ 371.190239] do_syscall_64+0xd0/0x4d0 [ 371.194031] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.199208] RIP: 0033:0x4592c9 [ 371.202390] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 371.221282] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 371.228982] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 371.236237] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 371.243497] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 371.250753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 371.258013] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 371.265294] CPU: 1 PID: 12234 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 371.272488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.281831] Call Trace: [ 371.284411] dump_stack+0x113/0x167 [ 371.288034] should_fail.cold.4+0x5/0x13 [ 371.288043] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 371.288050] ? lock_downgrade+0x7f0/0x7f0 [ 371.288059] ? ___might_sleep+0x16b/0x270 [ 371.288069] __should_failslab+0xba/0xf0 [ 371.288076] should_failslab+0x9/0x14 [ 371.305484] kmem_cache_alloc_node+0x270/0x730 [ 371.305492] ? find_held_lock+0x36/0x1d0 [ 371.305505] __alloc_skb+0xa7/0x570 [ 371.305513] ? skb_scrub_packet+0x3a0/0x3a0 [ 371.305527] _sctp_make_chunk+0x3f/0x260 [ 371.305535] sctp_make_datafrag_empty+0x159/0x260 [ 371.338919] ? sctp_make_ecne+0xf0/0xf0 [ 371.342899] ? process_measurement+0x805/0x14b0 [ 371.347577] sctp_datamsg_from_user+0x4d7/0xf30 [ 371.352253] ? mark_held_locks+0x130/0x130 [ 371.354044] FAULT_INJECTION: forcing a failure. [ 371.354044] name failslab, interval 1, probability 0, space 0, times 0 [ 371.356494] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 371.356504] ? find_held_lock+0x36/0x1d0 [ 371.356515] ? sctp_clear_owner_w+0xf0/0xf0 [ 371.356523] ? lock_sock_nested+0xc5/0x100 [ 371.356530] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.389385] ? __local_bh_enable_ip+0x160/0x260 [ 371.394044] ? lock_sock_nested+0x82/0x100 [ 371.398270] ? trace_hardirqs_on+0x28/0x190 [ 371.402579] ? lock_sock_nested+0x82/0x100 [ 371.406810] ? __local_bh_enable_ip+0x160/0x260 [ 371.411475] sctp_sendmsg+0xb80/0x1710 [ 371.415356] ? sctp_id2assoc+0x250/0x250 [ 371.419410] ? ___might_sleep+0x16b/0x270 [ 371.423553] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.428478] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 371.433400] inet_sendmsg+0x108/0x440 [ 371.437197] ? security_socket_sendmsg+0x4a/0x90 [ 371.441941] ? ipip_gro_receive+0xf0/0xf0 [ 371.446083] sock_sendmsg+0xb5/0xf0 [ 371.449700] sock_write_iter+0x1e9/0x3d0 [ 371.453755] ? sock_sendmsg+0xf0/0xf0 [ 371.457564] __vfs_write+0x4a3/0x970 [ 371.461269] ? lock_downgrade+0x7f0/0x7f0 [ 371.465405] ? kernel_read+0x130/0x130 [ 371.469283] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.474205] ? apparmor_file_permission+0x15/0x20 [ 371.479050] ? rw_verify_area+0xb8/0x2b0 [ 371.483277] vfs_write+0x150/0x4e0 [ 371.486983] ksys_write+0xcd/0x1b0 [ 371.490513] ? __ia32_sys_read+0xa0/0xa0 [ 371.494571] ? do_syscall_64+0x21/0x4d0 [ 371.498534] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.503888] __x64_sys_write+0x6e/0xb0 [ 371.507773] do_syscall_64+0xd0/0x4d0 [ 371.511571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.516749] RIP: 0033:0x4592c9 [ 371.519932] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 371.538824] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 371.546520] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 371.553779] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 371.561048] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 371.568304] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 371.575562] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 371.582838] CPU: 0 PID: 12246 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 371.590033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.599379] Call Trace: [ 371.601962] dump_stack+0x113/0x167 [ 371.605589] should_fail.cold.4+0x5/0x13 [ 371.609654] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 371.614747] ? lock_downgrade+0x7f0/0x7f0 [ 371.618889] ? ___might_sleep+0x16b/0x270 [ 371.623035] __should_failslab+0xba/0xf0 [ 371.627085] should_failslab+0x9/0x14 [ 371.630881] kmem_cache_alloc_node+0x270/0x730 [ 371.635462] ? find_held_lock+0x36/0x1d0 [ 371.639524] __alloc_skb+0xa7/0x570 [ 371.643143] ? skb_scrub_packet+0x3a0/0x3a0 [ 371.647466] _sctp_make_chunk+0x3f/0x260 [ 371.651519] sctp_make_datafrag_empty+0x159/0x260 [ 371.656349] ? sctp_make_ecne+0xf0/0xf0 [ 371.660325] ? process_measurement+0x805/0x14b0 [ 371.664988] sctp_datamsg_from_user+0x4d7/0xf30 [ 371.669658] ? mark_held_locks+0x130/0x130 [ 371.673890] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 371.678461] ? find_held_lock+0x36/0x1d0 [ 371.682545] ? sctp_clear_owner_w+0xf0/0xf0 [ 371.686861] ? lock_sock_nested+0xc5/0x100 [ 371.691086] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.695666] ? __local_bh_enable_ip+0x160/0x260 [ 371.700325] ? lock_sock_nested+0x82/0x100 [ 371.704548] ? trace_hardirqs_on+0x28/0x190 [ 371.708860] ? lock_sock_nested+0x82/0x100 [ 371.713083] ? lock_sock_nested+0x82/0x100 [ 371.717317] ? __local_bh_enable_ip+0x160/0x260 [ 371.721979] sctp_sendmsg+0xb80/0x1710 [ 371.725861] ? sctp_id2assoc+0x250/0x250 [ 371.731359] ? ___might_sleep+0x16b/0x270 [ 371.735515] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.740441] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 371.745362] inet_sendmsg+0x108/0x440 [ 371.749152] ? security_socket_sendmsg+0x4a/0x90 [ 371.753895] ? ipip_gro_receive+0xf0/0xf0 [ 371.758036] sock_sendmsg+0xb5/0xf0 [ 371.761655] sock_write_iter+0x1e9/0x3d0 [ 371.765704] ? sock_sendmsg+0xf0/0xf0 [ 371.769508] __vfs_write+0x4a3/0x970 [ 371.773217] ? lock_downgrade+0x7f0/0x7f0 [ 371.777356] ? kernel_read+0x130/0x130 [ 371.781243] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 371.786172] ? apparmor_file_permission+0x15/0x20 [ 371.791014] ? rw_verify_area+0xb8/0x2b0 [ 371.795074] vfs_write+0x150/0x4e0 [ 371.798613] ksys_write+0xcd/0x1b0 [ 371.802146] ? __ia32_sys_read+0xa0/0xa0 [ 371.806200] ? do_syscall_64+0x21/0x4d0 [ 371.810165] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.815520] __x64_sys_write+0x6e/0xb0 [ 371.819408] do_syscall_64+0xd0/0x4d0 [ 371.823207] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.828389] RIP: 0033:0x4592c9 [ 371.831599] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 371.850509] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 371.858213] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 371.865473] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 371.872734] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 371.879993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 371.887254] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 371.894556] CPU: 1 PID: 12231 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 371.901746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.901750] Call Trace: [ 371.901764] dump_stack+0x113/0x167 [ 371.901775] should_fail.cold.4+0x5/0x13 [ 371.901783] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 371.901789] ? lock_downgrade+0x7f0/0x7f0 [ 371.901805] ? ___might_sleep+0x16b/0x270 [ 371.926825] __should_failslab+0xba/0xf0 [ 371.926835] should_failslab+0x9/0x14 [ 371.926840] kmem_cache_alloc_node+0x270/0x730 [ 371.926855] __alloc_skb+0xa7/0x570 [ 371.926862] ? skb_scrub_packet+0x3a0/0x3a0 [ 371.926876] _sctp_make_chunk+0x3f/0x260 [ 371.935166] sctp_make_datafrag_empty+0x159/0x260 [ 371.942998] ? sctp_make_ecne+0xf0/0xf0 [ 371.943011] sctp_datamsg_from_user+0x4d7/0xf30 [ 371.943021] ? mark_held_locks+0x130/0x130 [ 371.951309] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 371.951315] ? __lock_is_held+0xb5/0x140 [ 371.951322] ? find_held_lock+0x36/0x1d0 [ 371.951332] ? sctp_clear_owner_w+0xf0/0xf0 [ 371.951339] ? lock_sock_nested+0xc5/0x100 [ 371.959708] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.959715] ? __local_bh_enable_ip+0x160/0x260 [ 371.959720] ? lock_sock_nested+0x82/0x100 [ 371.959725] ? trace_hardirqs_on+0x28/0x190 [ 371.959729] ? lock_sock_nested+0x82/0x100 [ 371.959734] ? lock_sock_nested+0x82/0x100 [ 371.959741] ? __local_bh_enable_ip+0x160/0x260 [ 371.959750] sctp_sendmsg+0xb80/0x1710 [ 371.959761] ? sctp_id2assoc+0x250/0x250 [ 371.994507] ? ___might_sleep+0x16b/0x270 [ 372.003308] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 372.003322] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 372.003333] inet_sendmsg+0x108/0x440 [ 372.003340] ? security_socket_sendmsg+0x4a/0x90 [ 372.020792] ? ipip_gro_receive+0xf0/0xf0 [ 372.020808] sock_sendmsg+0xb5/0xf0 [ 372.020816] sock_write_iter+0x1e9/0x3d0 [ 372.020823] ? sock_sendmsg+0xf0/0xf0 [ 372.033599] __vfs_write+0x4a3/0x970 [ 372.080097] FAULT_INJECTION: forcing a failure. [ 372.080097] name failslab, interval 1, probability 0, space 0, times 0 [ 372.080368] ? lock_downgrade+0x7f0/0x7f0 [ 372.095671] ? kernel_read+0x130/0x130 [ 372.099555] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 372.104484] ? apparmor_file_permission+0x15/0x20 [ 372.109322] ? rw_verify_area+0xb8/0x2b0 [ 372.113374] vfs_write+0x150/0x4e0 [ 372.116905] ksys_write+0xcd/0x1b0 [ 372.120438] ? __ia32_sys_read+0xa0/0xa0 [ 372.124503] ? do_syscall_64+0x21/0x4d0 [ 372.128470] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.133856] __x64_sys_write+0x6e/0xb0 [ 372.137734] do_syscall_64+0xd0/0x4d0 [ 372.141529] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.146704] RIP: 0033:0x4592c9 [ 372.149890] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 372.168783] RSP: 002b:00007faae41acc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 372.176489] RAX: ffffffffffffffda RBX: 00007faae41acc90 RCX: 00000000004592c9 [ 372.183749] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 372.191007] RBP: 000000000075c1c0 R08: 0000000000000000 R09: 0000000000000000 [ 372.198267] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ad6d4 [ 372.205526] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 372.212801] CPU: 0 PID: 12255 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 372.219993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.229339] Call Trace: [ 372.231929] dump_stack+0x113/0x167 [ 372.235559] should_fail.cold.4+0x5/0x13 [ 372.239617] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 372.244712] ? lock_downgrade+0x7f0/0x7f0 [ 372.248854] ? ___might_sleep+0x16b/0x270 [ 372.253031] __should_failslab+0xba/0xf0 [ 372.257089] should_failslab+0x9/0x14 [ 372.260889] kmem_cache_alloc_node+0x270/0x730 [ 372.265471] ? find_held_lock+0x36/0x1d0 [ 372.269535] __alloc_skb+0xa7/0x570 [ 372.273155] ? skb_scrub_packet+0x3a0/0x3a0 [ 372.277480] _sctp_make_chunk+0x3f/0x260 [ 372.281541] sctp_make_datafrag_empty+0x159/0x260 [ 372.286390] ? sctp_make_ecne+0xf0/0xf0 [ 372.290369] ? process_measurement+0x805/0x14b0 [ 372.295033] sctp_datamsg_from_user+0x4d7/0xf30 [ 372.299707] ? mark_held_locks+0x130/0x130 [ 372.303940] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 372.308514] ? find_held_lock+0x36/0x1d0 [ 372.308524] ? sctp_clear_owner_w+0xf0/0xf0 [ 372.308531] ? lock_sock_nested+0xc5/0x100 [ 372.308537] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.308543] ? __local_bh_enable_ip+0x160/0x260 [ 372.308547] ? lock_sock_nested+0x82/0x100 [ 372.308552] ? trace_hardirqs_on+0x28/0x190 [ 372.308557] ? lock_sock_nested+0x82/0x100 [ 372.308564] ? __local_bh_enable_ip+0x160/0x260 [ 372.308573] sctp_sendmsg+0xb80/0x1710 [ 372.308584] ? sctp_id2assoc+0x250/0x250 [ 372.308592] ? ___might_sleep+0x16b/0x270 [ 372.308603] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 372.308617] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 372.308626] inet_sendmsg+0x108/0x440 [ 372.373594] ? security_socket_sendmsg+0x4a/0x90 [ 372.378352] ? ipip_gro_receive+0xf0/0xf0 [ 372.382498] sock_sendmsg+0xb5/0xf0 [ 372.386124] sock_write_iter+0x1e9/0x3d0 [ 372.390182] ? sock_sendmsg+0xf0/0xf0 [ 372.393986] __vfs_write+0x4a3/0x970 [ 372.397041] FAULT_INJECTION: forcing a failure. [ 372.397041] name fail_futex, interval 1, probability 0, space 0, times 0 [ 372.397695] ? lock_downgrade+0x7f0/0x7f0 [ 372.397702] ? kernel_read+0x130/0x130 [ 372.397711] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 372.397724] ? apparmor_file_permission+0x15/0x20 [ 372.397731] ? rw_verify_area+0xb8/0x2b0 [ 372.397739] vfs_write+0x150/0x4e0 [ 372.417153] FAULT_INJECTION: forcing a failure. [ 372.417153] name failslab, interval 1, probability 0, space 0, times 0 [ 372.422001] ksys_write+0xcd/0x1b0 [ 372.422009] ? __ia32_sys_read+0xa0/0xa0 [ 372.422018] ? do_syscall_64+0x21/0x4d0 [ 372.422027] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.422035] __x64_sys_write+0x6e/0xb0 [ 372.422042] do_syscall_64+0xd0/0x4d0 [ 372.470133] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.475318] RIP: 0033:0x4592c9 [ 372.478501] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 372.497399] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 372.505188] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 372.512453] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 372.519798] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 372.527057] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 372.534324] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 372.542522] CPU: 1 PID: 12260 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 372.549823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.559175] Call Trace: [ 372.561763] dump_stack+0x113/0x167 [ 372.565397] should_fail.cold.4+0x5/0x13 [ 372.569456] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 372.574560] ? _raw_spin_unlock+0x2c/0x50 [ 372.578707] ? free_one_page+0x985/0xf30 [ 372.582775] get_futex_key+0x19e/0x1030 [ 372.586746] ? trace_hardirqs_on+0x28/0x190 [ 372.591075] ? futex_lock_pi_atomic+0x200/0x200 [ 372.595743] ? __free_pages+0x7f/0xb0 [ 372.599538] ? check_noncircular+0x20/0x20 [ 372.603763] ? finish_task_switch+0x486/0x6d0 [ 372.608253] futex_wake+0xcb/0x590 [ 372.611792] ? get_futex_key+0x1030/0x1030 [ 372.616025] ? __lock_acquire+0x5d6/0x4760 [ 372.620252] do_futex+0x59a/0x1800 [ 372.623781] ? __lock_acquire+0x5d6/0x4760 [ 372.628017] ? mark_held_locks+0x130/0x130 [ 372.632241] ? exit_robust_list+0x1b0/0x1b0 [ 372.636552] ? mark_held_locks+0x130/0x130 [ 372.640801] ? find_held_lock+0x36/0x1d0 [ 372.644859] ? find_held_lock+0x36/0x1d0 [ 372.648914] ? __might_fault+0xf1/0x1b0 [ 372.652875] ? lock_downgrade+0x7f0/0x7f0 [ 372.657025] mm_release+0x2da/0x410 [ 372.660650] do_exit+0x388/0x2ba0 [ 372.664095] ? inet_sendmsg+0x108/0x440 [ 372.668062] ? security_socket_sendmsg+0x4a/0x90 [ 372.672817] ? mm_update_next_owner+0x680/0x680 [ 372.677473] ? find_held_lock+0x36/0x1d0 [ 372.681525] ? get_signal+0x584/0x11d0 [ 372.685404] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.689888] ? get_signal+0x584/0x11d0 [ 372.693771] do_group_exit+0xf4/0x2f0 [ 372.697571] get_signal+0x532/0x11d0 [ 372.701286] do_signal+0x87/0x1930 [ 372.704823] ? rw_verify_area+0xb8/0x2b0 [ 372.708877] ? setup_sigcontext+0x7d0/0x7d0 [ 372.713189] ? kasan_check_write+0x14/0x20 [ 372.717410] ? fput+0x18/0x120 [ 372.720591] ? ksys_write+0x157/0x1b0 [ 372.724389] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.728958] ? exit_to_usermode_loop+0x3a/0x200 [ 372.733613] ? trace_hardirqs_on+0x28/0x190 [ 372.738010] exit_to_usermode_loop+0x114/0x200 [ 372.742589] do_syscall_64+0x407/0x4d0 [ 372.746470] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.751648] RIP: 0033:0x4592c9 [ 372.754828] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 372.773722] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 372.781417] RAX: ffffffffffffffe0 RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 372.788678] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 372.795943] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 372.803200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 372.810467] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 372.817777] CPU: 0 PID: 12263 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 372.824974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.824980] Call Trace: [ 372.841922] dump_stack+0x113/0x167 [ 372.845555] should_fail.cold.4+0x5/0x13 [ 372.849615] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 372.849622] ? lock_downgrade+0x7f0/0x7f0 [ 372.849631] ? ___might_sleep+0x16b/0x270 [ 372.849641] __should_failslab+0xba/0xf0 [ 372.868451] should_failslab+0x9/0x14 [ 372.872254] kmem_cache_alloc_node+0x270/0x730 [ 372.872263] ? find_held_lock+0x36/0x1d0 [ 372.872276] __alloc_skb+0xa7/0x570 [ 372.872284] ? skb_scrub_packet+0x3a0/0x3a0 [ 372.872306] _sctp_make_chunk+0x3f/0x260 [ 372.872315] sctp_make_datafrag_empty+0x159/0x260 [ 372.872322] ? sctp_make_ecne+0xf0/0xf0 [ 372.884560] ? process_measurement+0x805/0x14b0 [ 372.884573] sctp_datamsg_from_user+0x4d7/0xf30 [ 372.884583] ? mark_held_locks+0x130/0x130 [ 372.884596] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 372.884604] ? find_held_lock+0x36/0x1d0 [ 372.884614] ? sctp_clear_owner_w+0xf0/0xf0 [ 372.884621] ? lock_sock_nested+0xc5/0x100 [ 372.884626] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.937096] ? __local_bh_enable_ip+0x160/0x260 [ 372.941759] ? lock_sock_nested+0x82/0x100 [ 372.945989] ? trace_hardirqs_on+0x28/0x190 [ 372.950314] ? lock_sock_nested+0x82/0x100 [ 372.952576] FAULT_INJECTION: forcing a failure. [ 372.952576] name failslab, interval 1, probability 0, space 0, times 0 [ 372.954539] ? lock_sock_nested+0x82/0x100 [ 372.954548] ? __local_bh_enable_ip+0x160/0x260 [ 372.954561] sctp_sendmsg+0xb80/0x1710 [ 372.954572] ? sctp_id2assoc+0x250/0x250 [ 372.954580] ? ___might_sleep+0x16b/0x270 [ 372.954592] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 372.954605] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 372.954614] inet_sendmsg+0x108/0x440 [ 373.000318] ? security_socket_sendmsg+0x4a/0x90 [ 373.005067] ? ipip_gro_receive+0xf0/0xf0 [ 373.009206] sock_sendmsg+0xb5/0xf0 [ 373.012827] sock_write_iter+0x1e9/0x3d0 [ 373.016970] ? sock_sendmsg+0xf0/0xf0 [ 373.020779] __vfs_write+0x4a3/0x970 [ 373.024530] ? lock_downgrade+0x7f0/0x7f0 [ 373.028676] ? kernel_read+0x130/0x130 [ 373.028685] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.028697] ? apparmor_file_permission+0x15/0x20 [ 373.028705] ? rw_verify_area+0xb8/0x2b0 [ 373.028712] vfs_write+0x150/0x4e0 [ 373.028720] ksys_write+0xcd/0x1b0 [ 373.028726] ? __ia32_sys_read+0xa0/0xa0 [ 373.028735] ? do_syscall_64+0x21/0x4d0 [ 373.028743] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.028752] __x64_sys_write+0x6e/0xb0 [ 373.028759] do_syscall_64+0xd0/0x4d0 [ 373.028767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.028773] RIP: 0033:0x4592c9 [ 373.028779] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 373.028783] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 373.109437] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 373.116700] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 373.123962] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 373.131223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 373.138485] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 373.145764] CPU: 1 PID: 12275 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 373.152968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.162319] Call Trace: [ 373.164906] dump_stack+0x113/0x167 [ 373.168533] should_fail.cold.4+0x5/0x13 [ 373.172588] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 373.177865] ? lock_downgrade+0x7f0/0x7f0 [ 373.178652] FAULT_INJECTION: forcing a failure. [ 373.178652] name failslab, interval 1, probability 0, space 0, times 0 [ 373.182010] ? ___might_sleep+0x16b/0x270 [ 373.197332] __should_failslab+0xba/0xf0 [ 373.201390] should_failslab+0x9/0x14 [ 373.205186] kmem_cache_alloc_node+0x270/0x730 [ 373.209758] ? find_held_lock+0x36/0x1d0 [ 373.213815] __alloc_skb+0xa7/0x570 [ 373.217434] ? skb_scrub_packet+0x3a0/0x3a0 [ 373.221750] _sctp_make_chunk+0x3f/0x260 [ 373.225809] sctp_make_datafrag_empty+0x159/0x260 [ 373.230641] ? sctp_make_ecne+0xf0/0xf0 [ 373.234606] ? process_measurement+0x805/0x14b0 [ 373.239271] sctp_datamsg_from_user+0x4d7/0xf30 [ 373.243935] ? mark_held_locks+0x130/0x130 [ 373.248175] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 373.252748] ? find_held_lock+0x36/0x1d0 [ 373.256810] ? sctp_clear_owner_w+0xf0/0xf0 [ 373.261120] ? lock_sock_nested+0xc5/0x100 [ 373.265345] ? lockdep_hardirqs_on+0x421/0x5c0 [ 373.269912] ? __local_bh_enable_ip+0x160/0x260 [ 373.274564] ? lock_sock_nested+0x82/0x100 [ 373.278790] ? trace_hardirqs_on+0x28/0x190 [ 373.283100] ? lock_sock_nested+0x82/0x100 [ 373.287322] ? lock_sock_nested+0x82/0x100 [ 373.291547] ? __local_bh_enable_ip+0x160/0x260 [ 373.296213] sctp_sendmsg+0xb80/0x1710 [ 373.300094] ? sctp_id2assoc+0x250/0x250 [ 373.304145] ? ___might_sleep+0x16b/0x270 [ 373.308290] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.313213] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 373.318136] inet_sendmsg+0x108/0x440 [ 373.321928] ? security_socket_sendmsg+0x4a/0x90 [ 373.326674] ? ipip_gro_receive+0xf0/0xf0 [ 373.330815] sock_sendmsg+0xb5/0xf0 [ 373.334432] sock_write_iter+0x1e9/0x3d0 [ 373.338489] ? sock_sendmsg+0xf0/0xf0 [ 373.342288] __vfs_write+0x4a3/0x970 [ 373.345999] ? lock_downgrade+0x7f0/0x7f0 [ 373.350138] ? kernel_read+0x130/0x130 [ 373.354015] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.358938] ? apparmor_file_permission+0x15/0x20 [ 373.363769] ? rw_verify_area+0xb8/0x2b0 [ 373.367877] vfs_write+0x150/0x4e0 [ 373.371410] ksys_write+0xcd/0x1b0 [ 373.374939] ? __ia32_sys_read+0xa0/0xa0 [ 373.378994] ? do_syscall_64+0x21/0x4d0 [ 373.382965] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.388322] __x64_sys_write+0x6e/0xb0 [ 373.392201] do_syscall_64+0xd0/0x4d0 [ 373.395996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.401174] RIP: 0033:0x4592c9 [ 373.404354] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 373.423246] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 373.430965] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 373.438250] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 373.445507] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 373.452768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 373.460030] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 373.467396] CPU: 0 PID: 12280 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 373.474594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.483935] Call Trace: [ 373.483949] dump_stack+0x113/0x167 [ 373.483961] should_fail.cold.4+0x5/0x13 [ 373.483968] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 373.483975] ? lock_downgrade+0x7f0/0x7f0 [ 373.483983] ? ___might_sleep+0x16b/0x270 [ 373.483993] __should_failslab+0xba/0xf0 [ 373.484001] should_failslab+0x9/0x14 [ 373.515412] kmem_cache_alloc_node+0x270/0x730 [ 373.519991] ? find_held_lock+0x36/0x1d0 [ 373.524054] __alloc_skb+0xa7/0x570 [ 373.527683] ? skb_scrub_packet+0x3a0/0x3a0 [ 373.532004] _sctp_make_chunk+0x3f/0x260 [ 373.532014] sctp_make_datafrag_empty+0x159/0x260 [ 373.532022] ? sctp_make_ecne+0xf0/0xf0 [ 373.532032] ? process_measurement+0x805/0x14b0 [ 373.532042] sctp_datamsg_from_user+0x4d7/0xf30 [ 373.532052] ? mark_held_locks+0x130/0x130 [ 373.532066] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 373.540958] ? find_held_lock+0x36/0x1d0 [ 373.540968] ? sctp_clear_owner_w+0xf0/0xf0 [ 373.540975] ? lock_sock_nested+0xc5/0x100 [ 373.540980] ? lockdep_hardirqs_on+0x421/0x5c0 [ 373.540986] ? __local_bh_enable_ip+0x160/0x260 [ 373.540990] ? lock_sock_nested+0x82/0x100 [ 373.540995] ? trace_hardirqs_on+0x28/0x190 [ 373.541000] ? lock_sock_nested+0x82/0x100 [ 373.541004] ? lock_sock_nested+0x82/0x100 [ 373.541011] ? __local_bh_enable_ip+0x160/0x260 [ 373.541021] sctp_sendmsg+0xb80/0x1710 [ 373.541032] ? sctp_id2assoc+0x250/0x250 [ 373.541040] ? ___might_sleep+0x16b/0x270 [ 373.541050] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.541062] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 373.541072] inet_sendmsg+0x108/0x440 [ 373.541078] ? security_socket_sendmsg+0x4a/0x90 [ 373.541084] ? ipip_gro_receive+0xf0/0xf0 [ 373.541091] sock_sendmsg+0xb5/0xf0 [ 373.541098] sock_write_iter+0x1e9/0x3d0 [ 373.541104] ? sock_sendmsg+0xf0/0xf0 [ 373.558598] __vfs_write+0x4a3/0x970 [ 373.558606] ? lock_downgrade+0x7f0/0x7f0 [ 373.558613] ? kernel_read+0x130/0x130 [ 373.558621] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.558634] ? apparmor_file_permission+0x15/0x20 [ 373.558642] ? rw_verify_area+0xb8/0x2b0 [ 373.558649] vfs_write+0x150/0x4e0 [ 373.558658] ksys_write+0xcd/0x1b0 [ 373.558664] ? __ia32_sys_read+0xa0/0xa0 [ 373.558672] ? do_syscall_64+0x21/0x4d0 [ 373.558681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.558689] __x64_sys_write+0x6e/0xb0 [ 373.558696] do_syscall_64+0xd0/0x4d0 [ 373.567332] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.567338] RIP: 0033:0x4592c9 [ 373.567344] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 373.567348] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 373.567355] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 373.567358] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 373.567362] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 373.567365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 373.567369] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 373.614184] FAULT_INJECTION: forcing a failure. [ 373.614184] name failslab, interval 1, probability 0, space 0, times 0 [ 373.673991] FAULT_INJECTION: forcing a failure. [ 373.673991] name failslab, interval 1, probability 0, space 0, times 0 [ 373.679546] CPU: 0 PID: 12288 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 373.712379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.712382] Call Trace: [ 373.712395] dump_stack+0x113/0x167 [ 373.712408] should_fail.cold.4+0x5/0x13 [ 373.712416] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 373.712423] ? lock_downgrade+0x7f0/0x7f0 [ 373.735965] ? ___might_sleep+0x16b/0x270 [ 373.735976] __should_failslab+0xba/0xf0 [ 373.735984] should_failslab+0x9/0x14 [ 373.735989] kmem_cache_alloc_node+0x270/0x730 [ 373.735996] ? find_held_lock+0x36/0x1d0 [ 373.736008] __alloc_skb+0xa7/0x570 [ 373.736015] ? skb_scrub_packet+0x3a0/0x3a0 [ 373.736030] _sctp_make_chunk+0x3f/0x260 [ 373.736038] sctp_make_datafrag_empty+0x159/0x260 [ 373.736045] ? sctp_make_ecne+0xf0/0xf0 [ 373.736054] ? process_measurement+0x805/0x14b0 [ 373.736063] sctp_datamsg_from_user+0x4d7/0xf30 [ 373.736070] ? mark_held_locks+0x130/0x130 [ 373.736081] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 373.736089] ? find_held_lock+0x36/0x1d0 [ 373.736099] ? sctp_clear_owner_w+0xf0/0xf0 [ 373.736103] ? lock_sock_nested+0xc5/0x100 [ 373.736108] ? lockdep_hardirqs_on+0x421/0x5c0 [ 373.736113] ? __local_bh_enable_ip+0x160/0x260 [ 373.736116] ? lock_sock_nested+0x82/0x100 [ 373.736121] ? trace_hardirqs_on+0x28/0x190 [ 373.736125] ? lock_sock_nested+0x82/0x100 [ 373.736129] ? lock_sock_nested+0x82/0x100 [ 373.736135] ? __local_bh_enable_ip+0x160/0x260 [ 373.736144] sctp_sendmsg+0xb80/0x1710 [ 373.736158] ? sctp_id2assoc+0x250/0x250 [ 373.794167] FAULT_INJECTION: forcing a failure. [ 373.794167] name fail_futex, interval 1, probability 0, space 0, times 0 [ 373.802501] ? ___might_sleep+0x16b/0x270 [ 373.802514] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.802528] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 373.802539] inet_sendmsg+0x108/0x440 [ 373.802545] ? security_socket_sendmsg+0x4a/0x90 [ 373.802551] ? ipip_gro_receive+0xf0/0xf0 [ 373.802559] sock_sendmsg+0xb5/0xf0 [ 373.802566] sock_write_iter+0x1e9/0x3d0 [ 373.802573] ? sock_sendmsg+0xf0/0xf0 [ 373.802590] __vfs_write+0x4a3/0x970 [ 373.802596] ? lock_downgrade+0x7f0/0x7f0 [ 373.802601] ? kernel_read+0x130/0x130 [ 373.802607] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 373.802617] ? apparmor_file_permission+0x15/0x20 [ 373.802624] ? rw_verify_area+0xb8/0x2b0 [ 373.802632] vfs_write+0x150/0x4e0 [ 373.802640] ksys_write+0xcd/0x1b0 [ 373.802646] ? __ia32_sys_read+0xa0/0xa0 [ 373.861157] FAULT_INJECTION: forcing a failure. [ 373.861157] name failslab, interval 1, probability 0, space 0, times 0 [ 373.864137] ? do_syscall_64+0x21/0x4d0 [ 373.864147] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.864159] __x64_sys_write+0x6e/0xb0 [ 373.864166] do_syscall_64+0xd0/0x4d0 [ 373.864174] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.864179] RIP: 0033:0x4592c9 [ 373.864185] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 374.029345] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 374.029353] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 374.029356] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 374.029359] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 374.029362] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 374.029366] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 374.107579] CPU: 0 PID: 12287 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 374.144084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.153453] Call Trace: [ 374.156042] dump_stack+0x113/0x167 [ 374.159300] FAULT_INJECTION: forcing a failure. [ 374.159300] name failslab, interval 1, probability 0, space 0, times 0 [ 374.159671] should_fail.cold.4+0x5/0x13 [ 374.175050] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 374.180162] ? lock_downgrade+0x7f0/0x7f0 [ 374.184313] ? ___might_sleep+0x16b/0x270 [ 374.188455] __should_failslab+0xba/0xf0 [ 374.192510] should_failslab+0x9/0x14 [ 374.196305] kmem_cache_alloc_node+0x270/0x730 [ 374.200879] ? find_held_lock+0x36/0x1d0 [ 374.204934] __alloc_skb+0xa7/0x570 [ 374.208555] ? skb_scrub_packet+0x3a0/0x3a0 [ 374.212877] _sctp_make_chunk+0x3f/0x260 [ 374.216930] sctp_make_datafrag_empty+0x159/0x260 [ 374.221768] ? sctp_make_ecne+0xf0/0xf0 [ 374.225736] ? process_measurement+0x805/0x14b0 [ 374.225747] sctp_datamsg_from_user+0x4d7/0xf30 [ 374.225756] ? mark_held_locks+0x130/0x130 [ 374.239310] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 374.243892] ? find_held_lock+0x36/0x1d0 [ 374.247972] ? sctp_clear_owner_w+0xf0/0xf0 [ 374.247979] ? lock_sock_nested+0xc5/0x100 [ 374.247986] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.247991] ? __local_bh_enable_ip+0x160/0x260 [ 374.247995] ? lock_sock_nested+0x82/0x100 [ 374.248001] ? trace_hardirqs_on+0x28/0x190 [ 374.248006] ? lock_sock_nested+0x82/0x100 [ 374.248010] ? lock_sock_nested+0x82/0x100 [ 374.248016] ? __local_bh_enable_ip+0x160/0x260 [ 374.248025] sctp_sendmsg+0xb80/0x1710 [ 374.248035] ? sctp_id2assoc+0x250/0x250 [ 374.248043] ? ___might_sleep+0x16b/0x270 [ 374.248054] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.248066] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 374.248075] inet_sendmsg+0x108/0x440 [ 374.248082] ? security_socket_sendmsg+0x4a/0x90 [ 374.248087] ? ipip_gro_receive+0xf0/0xf0 [ 374.248094] sock_sendmsg+0xb5/0xf0 [ 374.248101] sock_write_iter+0x1e9/0x3d0 [ 374.248107] ? sock_sendmsg+0xf0/0xf0 [ 374.248122] __vfs_write+0x4a3/0x970 [ 374.248128] ? lock_downgrade+0x7f0/0x7f0 [ 374.248139] ? kernel_read+0x130/0x130 [ 374.248146] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.248161] ? apparmor_file_permission+0x15/0x20 [ 374.248169] ? rw_verify_area+0xb8/0x2b0 [ 374.248178] vfs_write+0x150/0x4e0 [ 374.248185] ksys_write+0xcd/0x1b0 [ 374.248192] ? __ia32_sys_read+0xa0/0xa0 [ 374.248200] ? do_syscall_64+0x21/0x4d0 [ 374.248209] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.248217] __x64_sys_write+0x6e/0xb0 [ 374.248224] do_syscall_64+0xd0/0x4d0 [ 374.248231] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.248237] RIP: 0033:0x4592c9 [ 374.248243] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 374.248247] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 374.248253] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 374.248257] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 374.248260] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 374.248263] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 374.248266] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 374.252194] CPU: 0 PID: 12291 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 374.274622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.274625] Call Trace: [ 374.274636] dump_stack+0x113/0x167 [ 374.274647] should_fail.cold.4+0x5/0x13 [ 374.274655] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 374.299797] ? lock_downgrade+0x7f0/0x7f0 [ 374.299806] ? ___might_sleep+0x16b/0x270 [ 374.299816] __should_failslab+0xba/0xf0 [ 374.299824] should_failslab+0x9/0x14 [ 374.299829] kmem_cache_alloc_node+0x270/0x730 [ 374.299835] ? find_held_lock+0x36/0x1d0 [ 374.299848] __alloc_skb+0xa7/0x570 [ 374.299854] ? skb_scrub_packet+0x3a0/0x3a0 [ 374.299869] _sctp_make_chunk+0x3f/0x260 [ 374.299878] sctp_make_datafrag_empty+0x159/0x260 [ 374.299885] ? sctp_make_ecne+0xf0/0xf0 [ 374.299894] ? process_measurement+0x805/0x14b0 [ 374.299905] sctp_datamsg_from_user+0x4d7/0xf30 [ 374.318304] ? mark_held_locks+0x130/0x130 [ 374.318319] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 374.318327] ? find_held_lock+0x36/0x1d0 [ 374.318337] ? sctp_clear_owner_w+0xf0/0xf0 [ 374.318344] ? lock_sock_nested+0xc5/0x100 [ 374.318354] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.318361] ? __local_bh_enable_ip+0x160/0x260 [ 374.318365] ? lock_sock_nested+0x82/0x100 [ 374.318370] ? trace_hardirqs_on+0x28/0x190 [ 374.318374] ? lock_sock_nested+0x82/0x100 [ 374.318379] ? lock_sock_nested+0x82/0x100 [ 374.318385] ? __local_bh_enable_ip+0x160/0x260 [ 374.318395] sctp_sendmsg+0xb80/0x1710 [ 374.318405] ? sctp_id2assoc+0x250/0x250 [ 374.423371] ? ___might_sleep+0x16b/0x270 [ 374.445163] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.445178] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 374.445190] inet_sendmsg+0x108/0x440 [ 374.529699] FAULT_INJECTION: forcing a failure. [ 374.529699] name failslab, interval 1, probability 0, space 0, times 0 [ 374.533075] ? security_socket_sendmsg+0x4a/0x90 [ 374.533085] ? ipip_gro_receive+0xf0/0xf0 [ 374.533094] sock_sendmsg+0xb5/0xf0 [ 374.533102] sock_write_iter+0x1e9/0x3d0 [ 374.533110] ? sock_sendmsg+0xf0/0xf0 [ 374.533127] __vfs_write+0x4a3/0x970 [ 374.533134] ? lock_downgrade+0x7f0/0x7f0 [ 374.663654] ? kernel_read+0x130/0x130 [ 374.667539] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 374.672465] ? apparmor_file_permission+0x15/0x20 [ 374.677312] ? rw_verify_area+0xb8/0x2b0 [ 374.681366] vfs_write+0x150/0x4e0 [ 374.684900] ksys_write+0xcd/0x1b0 [ 374.688437] ? __ia32_sys_read+0xa0/0xa0 [ 374.692496] ? do_syscall_64+0x21/0x4d0 [ 374.696462] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.701826] __x64_sys_write+0x6e/0xb0 [ 374.705713] do_syscall_64+0xd0/0x4d0 [ 374.709514] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.714701] RIP: 0033:0x4592c9 [ 374.717884] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 374.737193] FAULT_INJECTION: forcing a failure. [ 374.737193] name failslab, interval 1, probability 0, space 0, times 0 [ 374.737309] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 374.737316] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 374.737319] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 374.737322] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 374.737326] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 374.737329] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 374.768454] CPU: 0 PID: 12295 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 374.785774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.816872] Call Trace: [ 374.819463] dump_stack+0x113/0x167 [ 374.823087] should_fail.cold.4+0x5/0x13 [ 374.827143] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 374.832240] ? _raw_spin_unlock+0x2c/0x50 [ 374.832249] ? free_one_page+0x985/0xf30 [ 374.832260] get_futex_key+0x19e/0x1030 [ 374.832266] ? trace_hardirqs_on+0x28/0x190 [ 374.832276] ? futex_lock_pi_atomic+0x200/0x200 [ 374.832282] ? __free_pages+0x7f/0xb0 [ 374.848730] ? check_noncircular+0x20/0x20 [ 374.862126] ? finish_task_switch+0x486/0x6d0 [ 374.866615] futex_wake+0xcb/0x590 [ 374.870152] ? get_futex_key+0x1030/0x1030 [ 374.874392] ? __lock_acquire+0x5d6/0x4760 [ 374.874403] do_futex+0x59a/0x1800 [ 374.874408] ? __lock_acquire+0x5d6/0x4760 [ 374.874418] ? mark_held_locks+0x130/0x130 [ 374.874426] ? exit_robust_list+0x1b0/0x1b0 [ 374.874432] ? mark_held_locks+0x130/0x130 [ 374.874446] ? find_held_lock+0x36/0x1d0 [ 374.874455] ? find_held_lock+0x36/0x1d0 [ 374.907251] ? __might_fault+0xf1/0x1b0 [ 374.911251] ? lock_downgrade+0x7f0/0x7f0 [ 374.915399] mm_release+0x2da/0x410 [ 374.919023] do_exit+0x388/0x2ba0 [ 374.922481] ? inet_sendmsg+0x108/0x440 [ 374.926455] ? security_socket_sendmsg+0x4a/0x90 [ 374.931208] ? mm_update_next_owner+0x680/0x680 [ 374.935870] ? find_held_lock+0x36/0x1d0 [ 374.939930] ? get_signal+0x584/0x11d0 [ 374.943815] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.948311] ? get_signal+0x584/0x11d0 [ 374.952195] do_group_exit+0xf4/0x2f0 [ 374.955988] get_signal+0x532/0x11d0 [ 374.959704] do_signal+0x87/0x1930 [ 374.963242] ? rw_verify_area+0xb8/0x2b0 [ 374.967305] ? setup_sigcontext+0x7d0/0x7d0 [ 374.971620] ? kasan_check_write+0x14/0x20 [ 374.975842] ? fput+0x18/0x120 [ 374.979037] ? ksys_write+0x157/0x1b0 [ 374.982838] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.987423] ? exit_to_usermode_loop+0x3a/0x200 [ 374.992087] ? trace_hardirqs_on+0x28/0x190 [ 374.996402] exit_to_usermode_loop+0x114/0x200 [ 375.000990] do_syscall_64+0x407/0x4d0 [ 375.004884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.010063] RIP: 0033:0x4592c9 [ 375.013246] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 375.032229] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 375.040022] RAX: ffffffffffffffe0 RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 375.047282] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 375.054552] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 375.061816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 375.069072] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 375.076356] CPU: 1 PID: 12311 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 375.083556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.092903] Call Trace: [ 375.095488] dump_stack+0x113/0x167 [ 375.099119] should_fail.cold.4+0x5/0x13 [ 375.103179] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 375.108290] ? lock_downgrade+0x7f0/0x7f0 [ 375.112433] ? ___might_sleep+0x16b/0x270 [ 375.116570] __should_failslab+0xba/0xf0 [ 375.120618] should_failslab+0x9/0x14 [ 375.124409] kmem_cache_alloc_node+0x270/0x730 [ 375.128992] ? find_held_lock+0x36/0x1d0 [ 375.133055] __alloc_skb+0xa7/0x570 [ 375.136672] ? skb_scrub_packet+0x3a0/0x3a0 [ 375.140994] _sctp_make_chunk+0x3f/0x260 [ 375.145050] sctp_make_datafrag_empty+0x159/0x260 [ 375.149888] ? sctp_make_ecne+0xf0/0xf0 [ 375.153863] ? process_measurement+0x805/0x14b0 [ 375.158524] sctp_datamsg_from_user+0x4d7/0xf30 [ 375.163193] ? mark_held_locks+0x130/0x130 [ 375.167427] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 375.172000] ? find_held_lock+0x36/0x1d0 [ 375.176056] ? sctp_clear_owner_w+0xf0/0xf0 [ 375.180365] ? lock_sock_nested+0xc5/0x100 [ 375.184585] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.189153] ? __local_bh_enable_ip+0x160/0x260 [ 375.193811] ? lock_sock_nested+0x82/0x100 [ 375.198035] ? trace_hardirqs_on+0x28/0x190 [ 375.202344] ? lock_sock_nested+0x82/0x100 [ 375.206567] ? lock_sock_nested+0x82/0x100 [ 375.210792] ? __local_bh_enable_ip+0x160/0x260 [ 375.215458] sctp_sendmsg+0xb80/0x1710 [ 375.219373] ? sctp_id2assoc+0x250/0x250 [ 375.223424] ? ___might_sleep+0x16b/0x270 [ 375.227566] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.232488] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 375.237414] inet_sendmsg+0x108/0x440 [ 375.241551] ? security_socket_sendmsg+0x4a/0x90 [ 375.246293] ? ipip_gro_receive+0xf0/0xf0 [ 375.250431] sock_sendmsg+0xb5/0xf0 [ 375.254049] sock_write_iter+0x1e9/0x3d0 [ 375.258098] ? sock_sendmsg+0xf0/0xf0 [ 375.261898] __vfs_write+0x4a3/0x970 [ 375.265607] ? lock_downgrade+0x7f0/0x7f0 [ 375.269744] ? kernel_read+0x130/0x130 [ 375.273624] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.278549] ? apparmor_file_permission+0x15/0x20 [ 375.283385] ? rw_verify_area+0xb8/0x2b0 [ 375.287436] vfs_write+0x150/0x4e0 [ 375.290969] ksys_write+0xcd/0x1b0 [ 375.294504] ? __ia32_sys_read+0xa0/0xa0 [ 375.298564] ? do_syscall_64+0x21/0x4d0 [ 375.302531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.307891] __x64_sys_write+0x6e/0xb0 [ 375.311771] do_syscall_64+0xd0/0x4d0 [ 375.315575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.320758] RIP: 0033:0x4592c9 [ 375.323941] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 375.342838] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 375.350541] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 375.357884] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 375.365162] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 375.372436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 375.379693] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 375.386972] CPU: 0 PID: 12298 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 375.394170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.403508] Call Trace: [ 375.403522] dump_stack+0x113/0x167 [ 375.403533] should_fail.cold.4+0x5/0x13 [ 375.403541] ? fault_create_debugfs_attr+0x1a0/0x1a0 2019/06/15 21:34:11 executed programs: 1328 [ 375.403548] ? lock_downgrade+0x7f0/0x7f0 [ 375.403556] ? ___might_sleep+0x16b/0x270 [ 375.403566] __should_failslab+0xba/0xf0 [ 375.434503] should_failslab+0x9/0x14 [ 375.438304] kmem_cache_alloc_node+0x270/0x730 [ 375.442883] ? find_held_lock+0x36/0x1d0 [ 375.446947] __alloc_skb+0xa7/0x570 [ 375.450570] ? skb_scrub_packet+0x3a0/0x3a0 [ 375.454894] _sctp_make_chunk+0x3f/0x260 [ 375.458947] sctp_make_datafrag_empty+0x159/0x260 [ 375.463784] ? sctp_make_ecne+0xf0/0xf0 [ 375.467751] ? process_measurement+0x805/0x14b0 [ 375.472416] sctp_datamsg_from_user+0x4d7/0xf30 [ 375.477077] ? mark_held_locks+0x130/0x130 [ 375.481315] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 375.485891] ? find_held_lock+0x36/0x1d0 [ 375.489949] ? sctp_clear_owner_w+0xf0/0xf0 [ 375.494262] ? lock_sock_nested+0xc5/0x100 [ 375.498495] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.503069] ? __local_bh_enable_ip+0x160/0x260 [ 375.507729] ? lock_sock_nested+0x82/0x100 [ 375.511956] ? trace_hardirqs_on+0x28/0x190 [ 375.516269] ? lock_sock_nested+0x82/0x100 [ 375.520510] ? lock_sock_nested+0x82/0x100 [ 375.524750] ? __local_bh_enable_ip+0x160/0x260 [ 375.529416] sctp_sendmsg+0xb80/0x1710 [ 375.533312] ? sctp_id2assoc+0x250/0x250 [ 375.537367] ? ___might_sleep+0x16b/0x270 [ 375.541516] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.546444] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 375.551375] inet_sendmsg+0x108/0x440 [ 375.555168] ? security_socket_sendmsg+0x4a/0x90 [ 375.559915] ? ipip_gro_receive+0xf0/0xf0 [ 375.564054] sock_sendmsg+0xb5/0xf0 [ 375.567672] sock_write_iter+0x1e9/0x3d0 [ 375.571723] ? sock_sendmsg+0xf0/0xf0 [ 375.575527] __vfs_write+0x4a3/0x970 [ 375.579233] ? lock_downgrade+0x7f0/0x7f0 [ 375.583369] ? kernel_read+0x130/0x130 [ 375.587250] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.592186] ? apparmor_file_permission+0x15/0x20 [ 375.597031] ? rw_verify_area+0xb8/0x2b0 [ 375.601104] vfs_write+0x150/0x4e0 [ 375.604635] ksys_write+0xcd/0x1b0 [ 375.608173] ? __ia32_sys_read+0xa0/0xa0 [ 375.612226] ? do_syscall_64+0x21/0x4d0 [ 375.616191] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.621550] __x64_sys_write+0x6e/0xb0 [ 375.625432] do_syscall_64+0xd0/0x4d0 [ 375.629228] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.634404] RIP: 0033:0x4592c9 [ 375.637587] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 375.656481] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 375.664187] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 375.671451] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 375.671455] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 375.671458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 375.671461] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 375.694178] CPU: 0 PID: 12300 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 375.707973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.717325] Call Trace: [ 375.719909] dump_stack+0x113/0x167 [ 375.723533] should_fail.cold.4+0x5/0x13 [ 375.727586] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 375.734161] ? lock_downgrade+0x7f0/0x7f0 [ 375.738317] ? ___might_sleep+0x16b/0x270 [ 375.742468] __should_failslab+0xba/0xf0 [ 375.746534] should_failslab+0x9/0x14 [ 375.750338] kmem_cache_alloc_node+0x270/0x730 [ 375.754916] ? find_held_lock+0x36/0x1d0 [ 375.758979] __alloc_skb+0xa7/0x570 [ 375.762605] ? skb_scrub_packet+0x3a0/0x3a0 [ 375.766931] _sctp_make_chunk+0x3f/0x260 [ 375.770995] sctp_make_datafrag_empty+0x159/0x260 [ 375.775836] ? sctp_make_ecne+0xf0/0xf0 [ 375.776172] FAULT_INJECTION: forcing a failure. [ 375.776172] name failslab, interval 1, probability 0, space 0, times 0 [ 375.779806] ? process_measurement+0x805/0x14b0 [ 375.779816] sctp_datamsg_from_user+0x4d7/0xf30 [ 375.779827] ? mark_held_locks+0x130/0x130 [ 375.779839] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 375.779847] ? find_held_lock+0x36/0x1d0 [ 375.779858] ? sctp_clear_owner_w+0xf0/0xf0 [ 375.779864] ? lock_sock_nested+0xc5/0x100 [ 375.779869] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.779875] ? __local_bh_enable_ip+0x160/0x260 [ 375.779879] ? lock_sock_nested+0x82/0x100 [ 375.779884] ? trace_hardirqs_on+0x28/0x190 [ 375.779888] ? lock_sock_nested+0x82/0x100 [ 375.779893] ? lock_sock_nested+0x82/0x100 [ 375.779899] ? __local_bh_enable_ip+0x160/0x260 [ 375.779908] sctp_sendmsg+0xb80/0x1710 [ 375.779920] ? sctp_id2assoc+0x250/0x250 [ 375.779928] ? ___might_sleep+0x16b/0x270 [ 375.779938] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.795771] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 375.809204] inet_sendmsg+0x108/0x440 [ 375.809212] ? security_socket_sendmsg+0x4a/0x90 [ 375.809218] ? ipip_gro_receive+0xf0/0xf0 [ 375.809225] sock_sendmsg+0xb5/0xf0 [ 375.809232] sock_write_iter+0x1e9/0x3d0 [ 375.809240] ? sock_sendmsg+0xf0/0xf0 [ 375.809258] __vfs_write+0x4a3/0x970 [ 375.809265] ? lock_downgrade+0x7f0/0x7f0 [ 375.809271] ? kernel_read+0x130/0x130 [ 375.809280] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 375.809290] ? apparmor_file_permission+0x15/0x20 [ 375.809304] ? rw_verify_area+0xb8/0x2b0 [ 375.809312] vfs_write+0x150/0x4e0 [ 375.809321] ksys_write+0xcd/0x1b0 [ 375.809327] ? __ia32_sys_read+0xa0/0xa0 [ 375.809336] ? do_syscall_64+0x21/0x4d0 [ 375.809344] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.821929] __x64_sys_write+0x6e/0xb0 [ 375.821938] do_syscall_64+0xd0/0x4d0 [ 375.821947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.821953] RIP: 0033:0x4592c9 [ 375.821960] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 375.821964] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 375.821971] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 375.821974] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 375.821978] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 375.821981] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 375.821985] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 375.899337] FAULT_INJECTION: forcing a failure. [ 375.899337] name failslab, interval 1, probability 0, space 0, times 0 [ 375.910771] CPU: 1 PID: 12332 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 375.914561] FAULT_INJECTION: forcing a failure. [ 375.914561] name failslab, interval 1, probability 0, space 0, times 0 [ 375.917942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.917946] Call Trace: [ 375.917959] dump_stack+0x113/0x167 [ 375.917971] should_fail.cold.4+0x5/0x13 [ 375.917979] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 375.917985] ? lock_downgrade+0x7f0/0x7f0 [ 375.917993] ? ___might_sleep+0x16b/0x270 [ 375.918004] __should_failslab+0xba/0xf0 [ 375.918011] should_failslab+0x9/0x14 [ 375.918016] kmem_cache_alloc_node+0x270/0x730 [ 375.918023] ? find_held_lock+0x36/0x1d0 [ 375.918035] __alloc_skb+0xa7/0x570 [ 375.918043] ? skb_scrub_packet+0x3a0/0x3a0 [ 375.918056] _sctp_make_chunk+0x3f/0x260 [ 375.918064] sctp_make_datafrag_empty+0x159/0x260 [ 375.918072] ? sctp_make_ecne+0xf0/0xf0 [ 375.918081] ? process_measurement+0x805/0x14b0 [ 375.918090] sctp_datamsg_from_user+0x4d7/0xf30 [ 375.918098] ? mark_held_locks+0x130/0x130 [ 375.918109] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 376.144029] ? find_held_lock+0x36/0x1d0 [ 376.148097] ? sctp_clear_owner_w+0xf0/0xf0 [ 376.152408] ? lock_sock_nested+0xc5/0x100 [ 376.156636] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.161210] ? __local_bh_enable_ip+0x160/0x260 [ 376.165869] ? lock_sock_nested+0x82/0x100 [ 376.170095] ? trace_hardirqs_on+0x28/0x190 [ 376.174403] ? lock_sock_nested+0x82/0x100 [ 376.178624] ? lock_sock_nested+0x82/0x100 [ 376.182852] ? __local_bh_enable_ip+0x160/0x260 [ 376.187513] sctp_sendmsg+0xb80/0x1710 [ 376.191401] ? sctp_id2assoc+0x250/0x250 [ 376.195450] ? ___might_sleep+0x16b/0x270 [ 376.199593] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.204516] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 376.209440] inet_sendmsg+0x108/0x440 [ 376.213253] ? security_socket_sendmsg+0x4a/0x90 [ 376.218002] ? ipip_gro_receive+0xf0/0xf0 [ 376.222141] sock_sendmsg+0xb5/0xf0 [ 376.225759] sock_write_iter+0x1e9/0x3d0 [ 376.229849] ? sock_sendmsg+0xf0/0xf0 [ 376.233652] __vfs_write+0x4a3/0x970 [ 376.237353] ? lock_downgrade+0x7f0/0x7f0 [ 376.241492] ? kernel_read+0x130/0x130 [ 376.245370] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.250293] ? apparmor_file_permission+0x15/0x20 [ 376.255131] ? rw_verify_area+0xb8/0x2b0 [ 376.259187] vfs_write+0x150/0x4e0 [ 376.262717] ksys_write+0xcd/0x1b0 [ 376.266248] ? __ia32_sys_read+0xa0/0xa0 [ 376.270297] ? do_syscall_64+0x21/0x4d0 [ 376.274264] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.279622] __x64_sys_write+0x6e/0xb0 [ 376.283499] do_syscall_64+0xd0/0x4d0 [ 376.287296] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.292473] RIP: 0033:0x4592c9 [ 376.295679] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 376.314572] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.322267] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 376.329524] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 376.336783] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 376.344054] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 376.351309] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 376.358587] CPU: 0 PID: 12339 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 376.365778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.375128] Call Trace: [ 376.377711] dump_stack+0x113/0x167 [ 376.381341] should_fail.cold.4+0x5/0x13 [ 376.385395] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 376.385402] ? lock_downgrade+0x7f0/0x7f0 [ 376.385411] ? ___might_sleep+0x16b/0x270 [ 376.385422] __should_failslab+0xba/0xf0 [ 376.385430] should_failslab+0x9/0x14 [ 376.385435] kmem_cache_alloc_node+0x270/0x730 [ 376.385442] ? find_held_lock+0x36/0x1d0 [ 376.385453] __alloc_skb+0xa7/0x570 [ 376.385460] ? skb_scrub_packet+0x3a0/0x3a0 [ 376.398826] _sctp_make_chunk+0x3f/0x260 [ 376.398836] sctp_make_datafrag_empty+0x159/0x260 [ 376.398844] ? sctp_make_ecne+0xf0/0xf0 [ 376.398854] ? process_measurement+0x805/0x14b0 [ 376.398864] sctp_datamsg_from_user+0x4d7/0xf30 [ 376.398872] ? mark_held_locks+0x130/0x130 [ 376.398885] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 376.398892] ? find_held_lock+0x36/0x1d0 [ 376.398903] ? sctp_clear_owner_w+0xf0/0xf0 [ 376.398910] ? lock_sock_nested+0xc5/0x100 [ 376.406777] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.406783] ? __local_bh_enable_ip+0x160/0x260 [ 376.406788] ? lock_sock_nested+0x82/0x100 [ 376.406794] ? trace_hardirqs_on+0x28/0x190 [ 376.406798] ? lock_sock_nested+0x82/0x100 [ 376.406803] ? lock_sock_nested+0x82/0x100 [ 376.406809] ? __local_bh_enable_ip+0x160/0x260 [ 376.406819] sctp_sendmsg+0xb80/0x1710 [ 376.406831] ? sctp_id2assoc+0x250/0x250 [ 376.406839] ? ___might_sleep+0x16b/0x270 [ 376.406855] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.406868] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 376.406877] inet_sendmsg+0x108/0x440 [ 376.406884] ? security_socket_sendmsg+0x4a/0x90 [ 376.406889] ? ipip_gro_receive+0xf0/0xf0 [ 376.406897] sock_sendmsg+0xb5/0xf0 [ 376.406904] sock_write_iter+0x1e9/0x3d0 [ 376.406911] ? sock_sendmsg+0xf0/0xf0 [ 376.406928] __vfs_write+0x4a3/0x970 [ 376.419148] ? lock_downgrade+0x7f0/0x7f0 [ 376.419155] ? kernel_read+0x130/0x130 [ 376.419163] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.419174] ? apparmor_file_permission+0x15/0x20 [ 376.419182] ? rw_verify_area+0xb8/0x2b0 [ 376.419190] vfs_write+0x150/0x4e0 [ 376.419199] ksys_write+0xcd/0x1b0 [ 376.419206] ? __ia32_sys_read+0xa0/0xa0 [ 376.419214] ? do_syscall_64+0x21/0x4d0 [ 376.419222] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.419230] __x64_sys_write+0x6e/0xb0 [ 376.427603] do_syscall_64+0xd0/0x4d0 [ 376.427612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.427618] RIP: 0033:0x4592c9 [ 376.427624] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 376.427628] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.427635] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 376.427638] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 376.427641] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 376.427645] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 376.427648] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 376.449247] CPU: 0 PID: 12338 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 376.476586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.476589] Call Trace: [ 376.476601] dump_stack+0x113/0x167 [ 376.476613] should_fail.cold.4+0x5/0x13 [ 376.476621] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 376.476627] ? lock_downgrade+0x7f0/0x7f0 [ 376.476635] ? ___might_sleep+0x16b/0x270 [ 376.485274] __should_failslab+0xba/0xf0 [ 376.485283] should_failslab+0x9/0x14 [ 376.485288] kmem_cache_alloc_node+0x270/0x730 [ 376.485295] ? find_held_lock+0x36/0x1d0 [ 376.485313] __alloc_skb+0xa7/0x570 [ 376.493752] ? skb_scrub_packet+0x3a0/0x3a0 [ 376.493768] _sctp_make_chunk+0x3f/0x260 [ 376.493776] sctp_make_datafrag_empty+0x159/0x260 [ 376.493785] ? sctp_make_ecne+0xf0/0xf0 [ 376.506377] ? process_measurement+0x805/0x14b0 [ 376.506388] sctp_datamsg_from_user+0x4d7/0xf30 [ 376.506398] ? mark_held_locks+0x130/0x130 [ 376.506411] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 376.520375] ? find_held_lock+0x36/0x1d0 [ 376.520387] ? sctp_clear_owner_w+0xf0/0xf0 [ 376.520395] ? lock_sock_nested+0xc5/0x100 [ 376.520400] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.520406] ? __local_bh_enable_ip+0x160/0x260 [ 376.520411] ? lock_sock_nested+0x82/0x100 [ 376.585789] FAULT_INJECTION: forcing a failure. [ 376.585789] name failslab, interval 1, probability 0, space 0, times 0 [ 376.590432] ? trace_hardirqs_on+0x28/0x190 [ 376.590440] ? lock_sock_nested+0x82/0x100 [ 376.590446] ? lock_sock_nested+0x82/0x100 [ 376.590454] ? __local_bh_enable_ip+0x160/0x260 [ 376.590467] sctp_sendmsg+0xb80/0x1710 [ 376.590478] ? sctp_id2assoc+0x250/0x250 [ 376.590486] ? ___might_sleep+0x16b/0x270 [ 376.590497] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.590510] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 376.590520] inet_sendmsg+0x108/0x440 [ 376.590526] ? security_socket_sendmsg+0x4a/0x90 [ 376.590533] ? ipip_gro_receive+0xf0/0xf0 [ 376.669586] sock_sendmsg+0xb5/0xf0 [ 376.669594] sock_write_iter+0x1e9/0x3d0 [ 376.669602] ? sock_sendmsg+0xf0/0xf0 [ 376.669620] __vfs_write+0x4a3/0x970 [ 376.669627] ? lock_downgrade+0x7f0/0x7f0 [ 376.669633] ? kernel_read+0x130/0x130 [ 376.669641] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 376.669653] ? apparmor_file_permission+0x15/0x20 [ 376.669662] ? rw_verify_area+0xb8/0x2b0 [ 376.669670] vfs_write+0x150/0x4e0 [ 376.669679] ksys_write+0xcd/0x1b0 [ 376.669686] ? __ia32_sys_read+0xa0/0xa0 [ 376.669694] ? do_syscall_64+0x21/0x4d0 [ 376.669703] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.709805] __x64_sys_write+0x6e/0xb0 [ 376.709815] do_syscall_64+0xd0/0x4d0 [ 376.709826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.709832] RIP: 0033:0x4592c9 [ 376.709839] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 376.709842] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.709849] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 376.709852] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 376.709855] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 376.709859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 376.709861] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 376.766996] FAULT_INJECTION: forcing a failure. [ 376.766996] name failslab, interval 1, probability 0, space 0, times 0 [ 376.776724] CPU: 1 PID: 12342 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 377.018270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.027611] Call Trace: [ 377.030198] dump_stack+0x113/0x167 [ 377.033824] should_fail.cold.4+0x5/0x13 [ 377.037876] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 377.042967] ? lock_downgrade+0x7f0/0x7f0 [ 377.047105] ? ___might_sleep+0x16b/0x270 [ 377.051250] __should_failslab+0xba/0xf0 [ 377.055303] should_failslab+0x9/0x14 [ 377.059093] kmem_cache_alloc_node+0x270/0x730 [ 377.063665] ? find_held_lock+0x36/0x1d0 [ 377.067725] __alloc_skb+0xa7/0x570 [ 377.071348] ? skb_scrub_packet+0x3a0/0x3a0 [ 377.075671] _sctp_make_chunk+0x3f/0x260 [ 377.079724] sctp_make_datafrag_empty+0x159/0x260 [ 377.084571] ? sctp_make_ecne+0xf0/0xf0 [ 377.088535] ? process_measurement+0x805/0x14b0 [ 377.093200] sctp_datamsg_from_user+0x4d7/0xf30 [ 377.097861] ? mark_held_locks+0x130/0x130 [ 377.102089] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 377.106661] ? find_held_lock+0x36/0x1d0 [ 377.110723] ? sctp_clear_owner_w+0xf0/0xf0 [ 377.115042] ? lock_sock_nested+0xc5/0x100 [ 377.119264] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.123834] ? __local_bh_enable_ip+0x160/0x260 [ 377.128492] ? lock_sock_nested+0x82/0x100 [ 377.132718] ? trace_hardirqs_on+0x28/0x190 [ 377.137028] ? lock_sock_nested+0x82/0x100 [ 377.141249] ? lock_sock_nested+0x82/0x100 [ 377.145473] ? __local_bh_enable_ip+0x160/0x260 [ 377.150139] sctp_sendmsg+0xb80/0x1710 [ 377.154021] ? sctp_id2assoc+0x250/0x250 [ 377.158077] ? ___might_sleep+0x16b/0x270 [ 377.162218] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.167146] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 377.172078] inet_sendmsg+0x108/0x440 [ 377.175866] ? security_socket_sendmsg+0x4a/0x90 [ 377.180607] ? ipip_gro_receive+0xf0/0xf0 [ 377.184752] sock_sendmsg+0xb5/0xf0 [ 377.188367] sock_write_iter+0x1e9/0x3d0 [ 377.192511] ? sock_sendmsg+0xf0/0xf0 [ 377.196314] __vfs_write+0x4a3/0x970 [ 377.200023] ? lock_downgrade+0x7f0/0x7f0 [ 377.204166] ? kernel_read+0x130/0x130 [ 377.208046] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.212969] ? apparmor_file_permission+0x15/0x20 [ 377.217805] ? rw_verify_area+0xb8/0x2b0 [ 377.221861] vfs_write+0x150/0x4e0 [ 377.225393] ksys_write+0xcd/0x1b0 [ 377.228926] ? __ia32_sys_read+0xa0/0xa0 [ 377.232978] ? do_syscall_64+0x21/0x4d0 [ 377.236943] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.242301] __x64_sys_write+0x6e/0xb0 [ 377.246179] do_syscall_64+0xd0/0x4d0 [ 377.249971] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.255150] RIP: 0033:0x4592c9 [ 377.258334] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 377.277225] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 377.284921] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 377.292180] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 377.299445] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 377.306719] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 377.313977] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 377.321253] CPU: 0 PID: 12353 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 377.328454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.337804] Call Trace: [ 377.340387] dump_stack+0x113/0x167 [ 377.344013] should_fail.cold.4+0x5/0x13 [ 377.348080] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 377.353182] ? lock_downgrade+0x7f0/0x7f0 [ 377.357331] ? ___might_sleep+0x16b/0x270 [ 377.361479] __should_failslab+0xba/0xf0 [ 377.365543] should_failslab+0x9/0x14 [ 377.369340] kmem_cache_alloc_node+0x270/0x730 [ 377.373923] ? find_held_lock+0x36/0x1d0 [ 377.377988] __alloc_skb+0xa7/0x570 [ 377.381611] ? skb_scrub_packet+0x3a0/0x3a0 [ 377.381627] _sctp_make_chunk+0x3f/0x260 [ 377.381636] sctp_make_datafrag_empty+0x159/0x260 [ 377.381643] ? sctp_make_ecne+0xf0/0xf0 [ 377.381654] ? process_measurement+0x805/0x14b0 [ 377.381664] sctp_datamsg_from_user+0x4d7/0xf30 [ 377.381673] ? mark_held_locks+0x130/0x130 [ 377.381685] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 377.381692] ? find_held_lock+0x36/0x1d0 [ 377.390055] ? sctp_clear_owner_w+0xf0/0xf0 [ 377.390061] ? lock_sock_nested+0xc5/0x100 [ 377.390068] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.390074] ? __local_bh_enable_ip+0x160/0x260 [ 377.390078] ? lock_sock_nested+0x82/0x100 [ 377.390084] ? trace_hardirqs_on+0x28/0x190 [ 377.390088] ? lock_sock_nested+0x82/0x100 [ 377.390093] ? lock_sock_nested+0x82/0x100 [ 377.390100] ? __local_bh_enable_ip+0x160/0x260 [ 377.390109] sctp_sendmsg+0xb80/0x1710 [ 377.390119] ? sctp_id2assoc+0x250/0x250 [ 377.403569] ? ___might_sleep+0x16b/0x270 [ 377.403581] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.403595] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 377.403605] inet_sendmsg+0x108/0x440 [ 377.403612] ? security_socket_sendmsg+0x4a/0x90 [ 377.403618] ? ipip_gro_receive+0xf0/0xf0 [ 377.403625] sock_sendmsg+0xb5/0xf0 [ 377.403632] sock_write_iter+0x1e9/0x3d0 [ 377.403639] ? sock_sendmsg+0xf0/0xf0 [ 377.417104] __vfs_write+0x4a3/0x970 [ 377.417111] ? lock_downgrade+0x7f0/0x7f0 [ 377.417118] ? kernel_read+0x130/0x130 [ 377.417131] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.417143] ? apparmor_file_permission+0x15/0x20 [ 377.417155] ? rw_verify_area+0xb8/0x2b0 [ 377.417163] vfs_write+0x150/0x4e0 [ 377.417171] ksys_write+0xcd/0x1b0 [ 377.417178] ? __ia32_sys_read+0xa0/0xa0 [ 377.417186] ? do_syscall_64+0x21/0x4d0 [ 377.417194] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.417202] __x64_sys_write+0x6e/0xb0 [ 377.417209] do_syscall_64+0xd0/0x4d0 [ 377.448360] FAULT_INJECTION: forcing a failure. [ 377.448360] name failslab, interval 1, probability 0, space 0, times 0 [ 377.451808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.451814] RIP: 0033:0x4592c9 [ 377.451820] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 377.451823] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 377.451830] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 377.451833] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 377.451836] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 377.451841] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 377.459018] FAULT_INJECTION: forcing a failure. [ 377.459018] name failslab, interval 1, probability 0, space 0, times 0 [ 377.460721] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 377.511079] FAULT_INJECTION: forcing a failure. [ 377.511079] name failslab, interval 1, probability 0, space 0, times 0 [ 377.537473] CPU: 0 PID: 12356 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 377.547958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.547962] Call Trace: [ 377.547975] dump_stack+0x113/0x167 [ 377.547987] should_fail.cold.4+0x5/0x13 [ 377.547995] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 377.548002] ? lock_downgrade+0x7f0/0x7f0 [ 377.548010] ? ___might_sleep+0x16b/0x270 [ 377.548021] __should_failslab+0xba/0xf0 [ 377.548028] should_failslab+0x9/0x14 [ 377.548033] kmem_cache_alloc_node+0x270/0x730 [ 377.548039] ? find_held_lock+0x36/0x1d0 [ 377.708688] FAULT_INJECTION: forcing a failure. [ 377.708688] name failslab, interval 1, probability 0, space 0, times 0 [ 377.709866] __alloc_skb+0xa7/0x570 [ 377.709875] ? skb_scrub_packet+0x3a0/0x3a0 [ 377.709889] _sctp_make_chunk+0x3f/0x260 [ 377.722286] sctp_make_datafrag_empty+0x159/0x260 [ 377.751187] ? sctp_make_ecne+0xf0/0xf0 [ 377.755155] ? process_measurement+0x805/0x14b0 [ 377.759817] sctp_datamsg_from_user+0x4d7/0xf30 [ 377.764489] ? mark_held_locks+0x130/0x130 [ 377.768717] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 377.773287] ? find_held_lock+0x36/0x1d0 [ 377.777349] ? sctp_clear_owner_w+0xf0/0xf0 [ 377.781695] ? lock_sock_nested+0xc5/0x100 [ 377.785924] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.790497] ? __local_bh_enable_ip+0x160/0x260 [ 377.795151] ? lock_sock_nested+0x82/0x100 [ 377.799375] ? trace_hardirqs_on+0x28/0x190 [ 377.803686] ? lock_sock_nested+0x82/0x100 [ 377.807915] ? lock_sock_nested+0x82/0x100 [ 377.812147] ? __local_bh_enable_ip+0x160/0x260 [ 377.816814] sctp_sendmsg+0xb80/0x1710 [ 377.820710] ? sctp_id2assoc+0x250/0x250 [ 377.824768] ? ___might_sleep+0x16b/0x270 [ 377.828917] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.833849] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 377.838786] inet_sendmsg+0x108/0x440 [ 377.842844] ? security_socket_sendmsg+0x4a/0x90 [ 377.847599] ? ipip_gro_receive+0xf0/0xf0 [ 377.851741] sock_sendmsg+0xb5/0xf0 [ 377.855365] sock_write_iter+0x1e9/0x3d0 [ 377.859421] ? sock_sendmsg+0xf0/0xf0 [ 377.863234] __vfs_write+0x4a3/0x970 [ 377.866941] ? lock_downgrade+0x7f0/0x7f0 [ 377.871090] ? kernel_read+0x130/0x130 [ 377.874973] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 377.879902] ? apparmor_file_permission+0x15/0x20 [ 377.884738] ? rw_verify_area+0xb8/0x2b0 [ 377.888792] vfs_write+0x150/0x4e0 [ 377.892330] ksys_write+0xcd/0x1b0 [ 377.895864] ? __ia32_sys_read+0xa0/0xa0 [ 377.899916] ? do_syscall_64+0x21/0x4d0 [ 377.903884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.909244] __x64_sys_write+0x6e/0xb0 [ 377.913136] do_syscall_64+0xd0/0x4d0 [ 377.916934] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.922118] RIP: 0033:0x4592c9 [ 377.925307] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 377.944203] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 377.951899] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 377.959163] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 377.966425] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 377.973686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 377.981029] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 377.988314] CPU: 1 PID: 12355 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 377.995505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.004949] Call Trace: [ 378.007532] dump_stack+0x113/0x167 [ 378.011166] should_fail.cold.4+0x5/0x13 [ 378.015227] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 378.020318] ? lock_downgrade+0x7f0/0x7f0 [ 378.024457] ? ___might_sleep+0x16b/0x270 [ 378.028626] __should_failslab+0xba/0xf0 [ 378.032679] should_failslab+0x9/0x14 [ 378.036472] kmem_cache_alloc_node+0x270/0x730 [ 378.037900] FAULT_INJECTION: forcing a failure. [ 378.037900] name failslab, interval 1, probability 0, space 0, times 0 [ 378.041052] __alloc_skb+0xa7/0x570 [ 378.041060] ? skb_scrub_packet+0x3a0/0x3a0 [ 378.041074] _sctp_make_chunk+0x3f/0x260 [ 378.064205] sctp_make_datafrag_empty+0x159/0x260 [ 378.069037] ? sctp_make_ecne+0xf0/0xf0 [ 378.073013] sctp_datamsg_from_user+0x4d7/0xf30 [ 378.077677] ? mark_held_locks+0x130/0x130 [ 378.081907] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 378.086477] ? __lock_is_held+0xb5/0x140 [ 378.090531] ? find_held_lock+0x36/0x1d0 [ 378.094586] ? sctp_clear_owner_w+0xf0/0xf0 [ 378.098896] ? lock_sock_nested+0xc5/0x100 [ 378.103126] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.107698] ? __local_bh_enable_ip+0x160/0x260 [ 378.112382] ? lock_sock_nested+0x82/0x100 [ 378.116604] ? trace_hardirqs_on+0x28/0x190 [ 378.120916] ? lock_sock_nested+0x82/0x100 [ 378.125140] ? lock_sock_nested+0x82/0x100 [ 378.129368] ? __local_bh_enable_ip+0x160/0x260 [ 378.134035] sctp_sendmsg+0xb80/0x1710 [ 378.137918] ? sctp_id2assoc+0x250/0x250 [ 378.141971] ? ___might_sleep+0x16b/0x270 [ 378.146118] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.151043] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 378.155968] inet_sendmsg+0x108/0x440 [ 378.159762] ? security_socket_sendmsg+0x4a/0x90 [ 378.164602] ? ipip_gro_receive+0xf0/0xf0 [ 378.168743] sock_sendmsg+0xb5/0xf0 [ 378.172367] sock_write_iter+0x1e9/0x3d0 [ 378.176417] ? sock_sendmsg+0xf0/0xf0 [ 378.180219] __vfs_write+0x4a3/0x970 [ 378.183950] ? lock_downgrade+0x7f0/0x7f0 [ 378.188092] ? kernel_read+0x130/0x130 [ 378.191976] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.196899] ? apparmor_file_permission+0x15/0x20 [ 378.201733] ? rw_verify_area+0xb8/0x2b0 [ 378.205783] vfs_write+0x150/0x4e0 [ 378.209342] ksys_write+0xcd/0x1b0 [ 378.212875] ? __ia32_sys_read+0xa0/0xa0 [ 378.216932] ? do_syscall_64+0x21/0x4d0 [ 378.220896] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.226258] __x64_sys_write+0x6e/0xb0 [ 378.230141] do_syscall_64+0xd0/0x4d0 [ 378.233939] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.239119] RIP: 0033:0x4592c9 [ 378.242300] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 378.261199] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 378.268902] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 378.276162] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 378.283423] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 378.290689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 378.297955] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 378.305229] CPU: 0 PID: 12372 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 378.312425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.321765] Call Trace: [ 378.321780] dump_stack+0x113/0x167 [ 378.321791] should_fail.cold.4+0x5/0x13 [ 378.321799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 378.321805] ? lock_downgrade+0x7f0/0x7f0 [ 378.321813] ? ___might_sleep+0x16b/0x270 [ 378.321823] __should_failslab+0xba/0xf0 [ 378.321830] should_failslab+0x9/0x14 [ 378.353244] kmem_cache_alloc_trace+0x2d8/0x740 [ 378.357914] sctp_datamsg_from_user+0x7f/0xf30 [ 378.362486] ? kmem_cache_alloc_trace+0x353/0x740 [ 378.367328] ? sctp_sched_init_sid+0xf1/0x170 [ 378.371838] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 378.376410] ? find_held_lock+0x36/0x1d0 [ 378.380468] ? sctp_clear_owner_w+0xf0/0xf0 [ 378.384786] ? lock_sock_nested+0xc5/0x100 [ 378.389008] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.393581] ? __local_bh_enable_ip+0x160/0x260 [ 378.398241] ? lock_sock_nested+0x82/0x100 [ 378.402465] ? trace_hardirqs_on+0x28/0x190 [ 378.406776] ? lock_sock_nested+0x82/0x100 [ 378.411000] ? lock_sock_nested+0x82/0x100 [ 378.415225] ? __local_bh_enable_ip+0x160/0x260 [ 378.419890] sctp_sendmsg+0xb80/0x1710 [ 378.423775] ? sctp_id2assoc+0x250/0x250 [ 378.427833] ? ___might_sleep+0x16b/0x270 [ 378.431974] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.436901] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 378.441824] inet_sendmsg+0x108/0x440 [ 378.445614] ? security_socket_sendmsg+0x4a/0x90 [ 378.450360] ? ipip_gro_receive+0xf0/0xf0 [ 378.454497] sock_sendmsg+0xb5/0xf0 [ 378.458122] sock_write_iter+0x1e9/0x3d0 [ 378.462175] ? sock_sendmsg+0xf0/0xf0 [ 378.465978] __vfs_write+0x4a3/0x970 [ 378.469686] ? lock_downgrade+0x7f0/0x7f0 [ 378.473822] ? kernel_read+0x130/0x130 [ 378.477703] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.482626] ? apparmor_file_permission+0x15/0x20 [ 378.487469] ? rw_verify_area+0xb8/0x2b0 [ 378.491529] vfs_write+0x150/0x4e0 [ 378.495068] ksys_write+0xcd/0x1b0 [ 378.498598] ? __ia32_sys_read+0xa0/0xa0 [ 378.502653] ? do_syscall_64+0x21/0x4d0 [ 378.506619] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.511974] __x64_sys_write+0x6e/0xb0 [ 378.515852] do_syscall_64+0xd0/0x4d0 [ 378.519646] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.524828] RIP: 0033:0x4592c9 [ 378.528012] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 378.546903] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 378.554598] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 378.561858] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 378.569117] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 378.576374] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 378.583632] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 378.590911] CPU: 1 PID: 12362 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 378.598105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.607456] Call Trace: [ 378.610043] dump_stack+0x113/0x167 [ 378.613674] should_fail.cold.4+0x5/0x13 [ 378.617729] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 378.622835] ? lock_downgrade+0x7f0/0x7f0 [ 378.626983] ? ___might_sleep+0x16b/0x270 [ 378.631304] __should_failslab+0xba/0xf0 [ 378.635359] should_failslab+0x9/0x14 [ 378.639150] kmem_cache_alloc_node+0x270/0x730 [ 378.643721] ? find_held_lock+0x36/0x1d0 [ 378.647779] __alloc_skb+0xa7/0x570 [ 378.651401] ? skb_scrub_packet+0x3a0/0x3a0 [ 378.655722] _sctp_make_chunk+0x3f/0x260 [ 378.659777] sctp_make_datafrag_empty+0x159/0x260 [ 378.664614] ? sctp_make_ecne+0xf0/0xf0 [ 378.668584] ? process_measurement+0x805/0x14b0 [ 378.673275] sctp_datamsg_from_user+0x4d7/0xf30 [ 378.677938] ? mark_held_locks+0x130/0x130 [ 378.682168] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 378.686747] ? find_held_lock+0x36/0x1d0 [ 378.690825] ? sctp_clear_owner_w+0xf0/0xf0 [ 378.695139] ? lock_sock_nested+0xc5/0x100 [ 378.699361] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.703930] ? __local_bh_enable_ip+0x160/0x260 [ 378.708589] ? lock_sock_nested+0x82/0x100 [ 378.712817] ? trace_hardirqs_on+0x28/0x190 [ 378.717131] ? lock_sock_nested+0x82/0x100 [ 378.721360] ? lock_sock_nested+0x82/0x100 [ 378.725589] ? __local_bh_enable_ip+0x160/0x260 [ 378.730430] sctp_sendmsg+0xb80/0x1710 [ 378.734315] ? sctp_id2assoc+0x250/0x250 [ 378.738369] ? ___might_sleep+0x16b/0x270 [ 378.742512] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.747442] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 378.757669] inet_sendmsg+0x108/0x440 [ 378.761464] ? security_socket_sendmsg+0x4a/0x90 [ 378.766208] ? ipip_gro_receive+0xf0/0xf0 [ 378.770348] sock_sendmsg+0xb5/0xf0 [ 378.773971] sock_write_iter+0x1e9/0x3d0 [ 378.778024] ? sock_sendmsg+0xf0/0xf0 [ 378.781828] __vfs_write+0x4a3/0x970 [ 378.785541] ? lock_downgrade+0x7f0/0x7f0 [ 378.789677] ? kernel_read+0x130/0x130 [ 378.793560] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.798485] ? apparmor_file_permission+0x15/0x20 [ 378.803495] ? rw_verify_area+0xb8/0x2b0 [ 378.807569] vfs_write+0x150/0x4e0 [ 378.811108] ksys_write+0xcd/0x1b0 [ 378.814643] ? __ia32_sys_read+0xa0/0xa0 [ 378.818696] ? do_syscall_64+0x21/0x4d0 [ 378.822662] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.828018] __x64_sys_write+0x6e/0xb0 [ 378.831899] do_syscall_64+0xd0/0x4d0 [ 378.835694] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.840880] RIP: 0033:0x4592c9 [ 378.844061] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 378.864436] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 378.872166] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 378.879443] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 378.886709] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 378.893985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 378.901257] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 378.908551] CPU: 0 PID: 12364 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 378.915763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.925125] Call Trace: [ 378.927723] dump_stack+0x113/0x167 [ 378.931360] should_fail.cold.4+0x5/0x13 [ 378.931369] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 378.931376] ? lock_downgrade+0x7f0/0x7f0 [ 378.931385] ? ___might_sleep+0x16b/0x270 [ 378.940563] __should_failslab+0xba/0xf0 [ 378.940572] should_failslab+0x9/0x14 [ 378.940578] kmem_cache_alloc_node+0x270/0x730 [ 378.940584] ? find_held_lock+0x36/0x1d0 [ 378.940596] __alloc_skb+0xa7/0x570 [ 378.940602] ? skb_scrub_packet+0x3a0/0x3a0 [ 378.940615] _sctp_make_chunk+0x3f/0x260 [ 378.940622] sctp_make_datafrag_empty+0x159/0x260 [ 378.940629] ? sctp_make_ecne+0xf0/0xf0 [ 378.940638] ? process_measurement+0x805/0x14b0 [ 378.940646] sctp_datamsg_from_user+0x4d7/0xf30 [ 378.940654] ? mark_held_locks+0x130/0x130 [ 378.940666] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 378.940674] ? find_held_lock+0x36/0x1d0 [ 378.977597] ? sctp_clear_owner_w+0xf0/0xf0 [ 378.977607] ? lock_sock_nested+0xc5/0x100 [ 378.977614] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.977620] ? __local_bh_enable_ip+0x160/0x260 [ 378.977624] ? lock_sock_nested+0x82/0x100 [ 378.977629] ? trace_hardirqs_on+0x28/0x190 [ 378.977632] ? lock_sock_nested+0x82/0x100 [ 378.977636] ? lock_sock_nested+0x82/0x100 [ 378.977642] ? __local_bh_enable_ip+0x160/0x260 [ 378.977651] sctp_sendmsg+0xb80/0x1710 [ 378.977661] ? sctp_id2assoc+0x250/0x250 [ 378.977669] ? ___might_sleep+0x16b/0x270 [ 378.977680] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 378.977693] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 378.977702] inet_sendmsg+0x108/0x440 [ 378.986523] ? security_socket_sendmsg+0x4a/0x90 [ 378.986532] ? ipip_gro_receive+0xf0/0xf0 [ 378.986541] sock_sendmsg+0xb5/0xf0 [ 378.986548] sock_write_iter+0x1e9/0x3d0 [ 378.986555] ? sock_sendmsg+0xf0/0xf0 [ 378.986570] __vfs_write+0x4a3/0x970 [ 379.021935] ? lock_downgrade+0x7f0/0x7f0 [ 379.021944] ? kernel_read+0x130/0x130 [ 379.021953] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 379.021966] ? apparmor_file_permission+0x15/0x20 [ 379.021976] ? rw_verify_area+0xb8/0x2b0 [ 379.030894] vfs_write+0x150/0x4e0 [ 379.030903] ksys_write+0xcd/0x1b0 [ 379.030910] ? __ia32_sys_read+0xa0/0xa0 [ 379.030918] ? do_syscall_64+0x21/0x4d0 [ 379.030927] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.030936] __x64_sys_write+0x6e/0xb0 [ 379.030942] do_syscall_64+0xd0/0x4d0 [ 379.030949] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.030956] RIP: 0033:0x4592c9 [ 379.101617] FAULT_INJECTION: forcing a failure. [ 379.101617] name failslab, interval 1, probability 0, space 0, times 0 [ 379.102275] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 379.102279] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 379.102285] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 379.102289] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 379.102292] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 379.102296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 379.102306] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 379.173255] FAULT_INJECTION: forcing a failure. [ 379.173255] name failslab, interval 1, probability 0, space 0, times 0 [ 379.201423] CPU: 0 PID: 12386 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 379.209448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.209452] Call Trace: [ 379.261504] dump_stack+0x113/0x167 [ 379.265133] should_fail.cold.4+0x5/0x13 [ 379.269192] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 379.274287] ? lock_downgrade+0x7f0/0x7f0 [ 379.278434] ? ___might_sleep+0x16b/0x270 [ 379.282583] __should_failslab+0xba/0xf0 [ 379.286640] should_failslab+0x9/0x14 [ 379.290442] kmem_cache_alloc_node+0x270/0x730 [ 379.295014] ? find_held_lock+0x36/0x1d0 [ 379.299077] __alloc_skb+0xa7/0x570 [ 379.302704] ? skb_scrub_packet+0x3a0/0x3a0 [ 379.307042] _sctp_make_chunk+0x3f/0x260 [ 379.307051] sctp_make_datafrag_empty+0x159/0x260 [ 379.307058] ? sctp_make_ecne+0xf0/0xf0 [ 379.307068] ? process_measurement+0x805/0x14b0 [ 379.307078] sctp_datamsg_from_user+0x4d7/0xf30 [ 379.307087] ? mark_held_locks+0x130/0x130 [ 379.333471] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 379.333483] ? find_held_lock+0x36/0x1d0 [ 379.333494] ? sctp_clear_owner_w+0xf0/0xf0 [ 379.333501] ? lock_sock_nested+0xc5/0x100 [ 379.333509] ? lockdep_hardirqs_on+0x421/0x5c0 [ 379.355387] ? __local_bh_enable_ip+0x160/0x260 [ 379.360170] ? lock_sock_nested+0x82/0x100 [ 379.364409] ? trace_hardirqs_on+0x28/0x190 [ 379.364416] ? lock_sock_nested+0x82/0x100 [ 379.364421] ? lock_sock_nested+0x82/0x100 [ 379.364430] ? __local_bh_enable_ip+0x160/0x260 [ 379.364442] sctp_sendmsg+0xb80/0x1710 [ 379.364453] ? sctp_id2assoc+0x250/0x250 [ 379.364461] ? ___might_sleep+0x16b/0x270 [ 379.395032] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 379.399958] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 379.399970] inet_sendmsg+0x108/0x440 [ 379.399977] ? security_socket_sendmsg+0x4a/0x90 [ 379.399983] ? ipip_gro_receive+0xf0/0xf0 [ 379.399992] sock_sendmsg+0xb5/0xf0 [ 379.400000] sock_write_iter+0x1e9/0x3d0 [ 379.400006] ? sock_sendmsg+0xf0/0xf0 [ 379.400023] __vfs_write+0x4a3/0x970 [ 379.400030] ? lock_downgrade+0x7f0/0x7f0 [ 379.400036] ? kernel_read+0x130/0x130 [ 379.400043] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 379.400053] ? apparmor_file_permission+0x15/0x20 [ 379.400061] ? rw_verify_area+0xb8/0x2b0 [ 379.400069] vfs_write+0x150/0x4e0 [ 379.400076] ksys_write+0xcd/0x1b0 [ 379.461750] ? __ia32_sys_read+0xa0/0xa0 [ 379.465811] ? do_syscall_64+0x21/0x4d0 [ 379.469791] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.475155] __x64_sys_write+0x6e/0xb0 [ 379.479050] do_syscall_64+0xd0/0x4d0 [ 379.482850] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.488036] RIP: 0033:0x4592c9 [ 379.491225] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 379.502577] FAULT_INJECTION: forcing a failure. [ 379.502577] name failslab, interval 1, probability 0, space 0, times 0 [ 379.510118] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 379.510125] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 379.510128] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 379.510132] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 379.510135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 379.510139] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 379.529310] CPU: 0 PID: 12382 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 379.543776] FAULT_INJECTION: forcing a failure. [ 379.543776] name failslab, interval 1, probability 0, space 0, times 0 [ 379.550980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.550983] Call Trace: [ 379.550996] dump_stack+0x113/0x167 [ 379.551009] should_fail.cold.4+0x5/0x13 [ 379.551017] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 379.551025] ? lock_downgrade+0x7f0/0x7f0 [ 379.551033] ? ___might_sleep+0x16b/0x270 [ 379.551045] __should_failslab+0xba/0xf0 [ 379.551052] should_failslab+0x9/0x14 [ 379.551057] kmem_cache_alloc_node+0x270/0x730 [ 379.551063] ? find_held_lock+0x36/0x1d0 [ 379.551075] __alloc_skb+0xa7/0x570 [ 379.551082] ? skb_scrub_packet+0x3a0/0x3a0 [ 379.551096] _sctp_make_chunk+0x3f/0x260 [ 379.551104] sctp_make_datafrag_empty+0x159/0x260 [ 379.551112] ? sctp_make_ecne+0xf0/0xf0 [ 379.551122] ? process_measurement+0x805/0x14b0 [ 379.551131] sctp_datamsg_from_user+0x4d7/0xf30 [ 379.551140] ? mark_held_locks+0x130/0x130 [ 379.551153] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 379.551160] ? find_held_lock+0x36/0x1d0 [ 379.551170] ? sctp_clear_owner_w+0xf0/0xf0 [ 379.551176] ? lock_sock_nested+0xc5/0x100 [ 379.684711] ? lockdep_hardirqs_on+0x421/0x5c0 [ 379.689307] ? __local_bh_enable_ip+0x160/0x260 [ 379.693969] ? lock_sock_nested+0x82/0x100 [ 379.698203] ? trace_hardirqs_on+0x28/0x190 [ 379.702520] ? lock_sock_nested+0x82/0x100 [ 379.706748] ? lock_sock_nested+0x82/0x100 [ 379.710986] ? __local_bh_enable_ip+0x160/0x260 [ 379.715650] sctp_sendmsg+0xb80/0x1710 [ 379.719542] ? sctp_id2assoc+0x250/0x250 [ 379.723602] ? ___might_sleep+0x16b/0x270 [ 379.727752] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 379.734151] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 379.739082] inet_sendmsg+0x108/0x440 [ 379.742883] ? security_socket_sendmsg+0x4a/0x90 [ 379.747632] ? ipip_gro_receive+0xf0/0xf0 [ 379.751776] sock_sendmsg+0xb5/0xf0 [ 379.755396] sock_write_iter+0x1e9/0x3d0 [ 379.758390] FAULT_INJECTION: forcing a failure. [ 379.758390] name failslab, interval 1, probability 0, space 0, times 0 [ 379.759447] ? sock_sendmsg+0xf0/0xf0 [ 379.759466] __vfs_write+0x4a3/0x970 [ 379.759474] ? lock_downgrade+0x7f0/0x7f0 [ 379.759480] ? kernel_read+0x130/0x130 [ 379.759489] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 379.759501] ? apparmor_file_permission+0x15/0x20 [ 379.759509] ? rw_verify_area+0xb8/0x2b0 [ 379.799959] vfs_write+0x150/0x4e0 [ 379.803495] ksys_write+0xcd/0x1b0 [ 379.807026] ? __ia32_sys_read+0xa0/0xa0 [ 379.811080] ? do_syscall_64+0x21/0x4d0 [ 379.815052] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.820415] __x64_sys_write+0x6e/0xb0 [ 379.824304] do_syscall_64+0xd0/0x4d0 [ 379.828104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.833283] RIP: 0033:0x4592c9 [ 379.836473] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 379.855376] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 379.863079] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 379.870344] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 379.877615] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 379.885035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 379.892295] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 379.900526] CPU: 1 PID: 12405 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 379.907725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.917073] Call Trace: [ 379.919661] dump_stack+0x113/0x167 [ 379.923292] should_fail.cold.4+0x5/0x13 [ 379.927356] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 379.932455] ? lock_downgrade+0x7f0/0x7f0 [ 379.936589] ? ___might_sleep+0x16b/0x270 [ 379.940731] __should_failslab+0xba/0xf0 [ 379.944784] should_failslab+0x9/0x14 [ 379.948576] kmem_cache_alloc_node+0x270/0x730 [ 379.953151] ? find_held_lock+0x36/0x1d0 [ 379.957207] __alloc_skb+0xa7/0x570 [ 379.960825] ? skb_scrub_packet+0x3a0/0x3a0 [ 379.965141] _sctp_make_chunk+0x3f/0x260 [ 379.969192] sctp_make_datafrag_empty+0x159/0x260 [ 379.974028] ? sctp_make_ecne+0xf0/0xf0 [ 379.977997] ? process_measurement+0x805/0x14b0 [ 379.982661] sctp_datamsg_from_user+0x4d7/0xf30 [ 379.987319] ? mark_held_locks+0x130/0x130 [ 379.991552] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 379.996122] ? find_held_lock+0x36/0x1d0 [ 380.000182] ? sctp_clear_owner_w+0xf0/0xf0 [ 380.004489] ? lock_sock_nested+0xc5/0x100 [ 380.008713] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.013282] ? __local_bh_enable_ip+0x160/0x260 [ 380.017934] ? lock_sock_nested+0x82/0x100 [ 380.022245] ? trace_hardirqs_on+0x28/0x190 [ 380.026552] ? lock_sock_nested+0x82/0x100 [ 380.030774] ? lock_sock_nested+0x82/0x100 [ 380.035000] ? __local_bh_enable_ip+0x160/0x260 [ 380.039666] sctp_sendmsg+0xb80/0x1710 [ 380.043549] ? sctp_id2assoc+0x250/0x250 [ 380.047602] ? ___might_sleep+0x16b/0x270 [ 380.051743] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.056673] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 380.061592] inet_sendmsg+0x108/0x440 [ 380.065380] ? security_socket_sendmsg+0x4a/0x90 [ 380.070142] ? ipip_gro_receive+0xf0/0xf0 [ 380.074284] sock_sendmsg+0xb5/0xf0 [ 380.077900] sock_write_iter+0x1e9/0x3d0 [ 380.081953] ? sock_sendmsg+0xf0/0xf0 [ 380.085777] __vfs_write+0x4a3/0x970 [ 380.089487] ? lock_downgrade+0x7f0/0x7f0 [ 380.093617] ? kernel_read+0x130/0x130 [ 380.097506] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.102431] ? apparmor_file_permission+0x15/0x20 [ 380.107268] ? rw_verify_area+0xb8/0x2b0 [ 380.111315] vfs_write+0x150/0x4e0 [ 380.114844] ksys_write+0xcd/0x1b0 [ 380.118373] ? __ia32_sys_read+0xa0/0xa0 [ 380.122425] ? do_syscall_64+0x21/0x4d0 [ 380.126387] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.131744] __x64_sys_write+0x6e/0xb0 [ 380.135621] do_syscall_64+0xd0/0x4d0 [ 380.139413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.144592] RIP: 0033:0x4592c9 [ 380.147778] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 380.166677] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 380.174378] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 380.181725] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 380.188985] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 380.196243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 380.203502] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 380.210781] CPU: 0 PID: 12404 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 380.217971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.217975] Call Trace: [ 380.217987] dump_stack+0x113/0x167 [ 380.217999] should_fail.cold.4+0x5/0x13 [ 380.218007] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 380.218013] ? lock_downgrade+0x7f0/0x7f0 [ 380.218021] ? ___might_sleep+0x16b/0x270 [ 380.218032] __should_failslab+0xba/0xf0 [ 380.218041] should_failslab+0x9/0x14 [ 380.218046] kmem_cache_alloc_trace+0x2d8/0x740 [ 380.218061] sctp_datamsg_from_user+0x7f/0xf30 [ 380.218065] ? kmem_cache_alloc_trace+0x353/0x740 [ 380.218074] ? sctp_sched_init_sid+0xf1/0x170 [ 380.218090] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 380.218107] ? __lock_is_held+0xb5/0x140 [ 380.218114] ? find_held_lock+0x36/0x1d0 [ 380.218128] ? sctp_clear_owner_w+0xf0/0xf0 [ 380.218143] ? lock_sock_nested+0xc5/0x100 [ 380.277408] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.277415] ? __local_bh_enable_ip+0x160/0x260 [ 380.277422] ? lock_sock_nested+0x82/0x100 [ 380.277428] ? trace_hardirqs_on+0x28/0x190 [ 380.277433] ? lock_sock_nested+0x82/0x100 [ 380.277438] ? lock_sock_nested+0x82/0x100 [ 380.277444] ? __local_bh_enable_ip+0x160/0x260 [ 380.277456] sctp_sendmsg+0xb80/0x1710 [ 380.277467] ? sctp_id2assoc+0x250/0x250 [ 380.277475] ? ___might_sleep+0x16b/0x270 [ 380.277485] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.277498] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 380.277508] inet_sendmsg+0x108/0x440 [ 380.277514] ? security_socket_sendmsg+0x4a/0x90 [ 380.277520] ? ipip_gro_receive+0xf0/0xf0 [ 380.294490] sock_sendmsg+0xb5/0xf0 [ 380.294498] sock_write_iter+0x1e9/0x3d0 [ 380.294506] ? sock_sendmsg+0xf0/0xf0 [ 380.294524] __vfs_write+0x4a3/0x970 [ 380.294531] ? lock_downgrade+0x7f0/0x7f0 [ 380.294536] ? kernel_read+0x130/0x130 [ 380.294544] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.316525] ? apparmor_file_permission+0x15/0x20 [ 380.316535] ? rw_verify_area+0xb8/0x2b0 [ 380.316543] vfs_write+0x150/0x4e0 [ 380.316552] ksys_write+0xcd/0x1b0 [ 380.316559] ? __ia32_sys_read+0xa0/0xa0 [ 380.316568] ? do_syscall_64+0x21/0x4d0 [ 380.316577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.351549] __x64_sys_write+0x6e/0xb0 [ 380.351559] do_syscall_64+0xd0/0x4d0 [ 380.351570] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.351576] RIP: 0033:0x4592c9 [ 380.351583] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 380.351586] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 380.360143] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 380.360147] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 380.360150] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 2019/06/15 21:34:16 executed programs: 1353 [ 380.360154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 380.360157] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 380.435242] FAULT_INJECTION: forcing a failure. [ 380.435242] name failslab, interval 1, probability 0, space 0, times 0 [ 380.466944] CPU: 0 PID: 12403 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 380.486872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.486876] Call Trace: [ 380.486889] dump_stack+0x113/0x167 [ 380.486901] should_fail.cold.4+0x5/0x13 [ 380.486909] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 380.486916] ? lock_downgrade+0x7f0/0x7f0 [ 380.486924] ? ___might_sleep+0x16b/0x270 [ 380.486934] __should_failslab+0xba/0xf0 [ 380.486942] should_failslab+0x9/0x14 [ 380.486947] kmem_cache_alloc_trace+0x2d8/0x740 [ 380.486962] sctp_datamsg_from_user+0x7f/0xf30 [ 380.486965] ? kmem_cache_alloc_trace+0x353/0x740 [ 380.486973] ? sctp_sched_init_sid+0xf1/0x170 [ 380.486985] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 380.486989] ? __lock_is_held+0xb5/0x140 [ 380.486995] ? find_held_lock+0x36/0x1d0 [ 380.487006] ? sctp_clear_owner_w+0xf0/0xf0 [ 380.487013] ? lock_sock_nested+0xc5/0x100 [ 380.487018] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.487024] ? __local_bh_enable_ip+0x160/0x260 [ 380.487028] ? lock_sock_nested+0x82/0x100 [ 380.487034] ? trace_hardirqs_on+0x28/0x190 [ 380.487038] ? lock_sock_nested+0x82/0x100 [ 380.487043] ? lock_sock_nested+0x82/0x100 [ 380.487049] ? __local_bh_enable_ip+0x160/0x260 [ 380.487059] sctp_sendmsg+0xb80/0x1710 [ 380.487069] ? sctp_id2assoc+0x250/0x250 [ 380.487075] ? ___might_sleep+0x16b/0x270 [ 380.487086] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.487099] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 380.487109] inet_sendmsg+0x108/0x440 [ 380.487115] ? security_socket_sendmsg+0x4a/0x90 [ 380.487120] ? ipip_gro_receive+0xf0/0xf0 [ 380.487128] sock_sendmsg+0xb5/0xf0 [ 380.487134] sock_write_iter+0x1e9/0x3d0 [ 380.487141] ? sock_sendmsg+0xf0/0xf0 [ 380.487158] __vfs_write+0x4a3/0x970 [ 380.487163] ? lock_downgrade+0x7f0/0x7f0 [ 380.487168] ? kernel_read+0x130/0x130 [ 380.487176] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.487186] ? apparmor_file_permission+0x15/0x20 [ 380.487194] ? rw_verify_area+0xb8/0x2b0 [ 380.487202] vfs_write+0x150/0x4e0 [ 380.487210] ksys_write+0xcd/0x1b0 [ 380.487216] ? __ia32_sys_read+0xa0/0xa0 [ 380.487225] ? do_syscall_64+0x21/0x4d0 [ 380.487233] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.487241] __x64_sys_write+0x6e/0xb0 [ 380.487248] do_syscall_64+0xd0/0x4d0 [ 380.487255] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.512949] RIP: 0033:0x4592c9 [ 380.512956] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 380.512959] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 380.512966] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 380.512969] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 380.512972] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 380.512976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 380.512979] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 380.580887] FAULT_INJECTION: forcing a failure. [ 380.580887] name failslab, interval 1, probability 0, space 0, times 0 [ 380.584713] CPU: 1 PID: 12414 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 380.674173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.674177] Call Trace: [ 380.674191] dump_stack+0x113/0x167 [ 380.674203] should_fail.cold.4+0x5/0x13 [ 380.674212] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 380.674219] ? lock_downgrade+0x7f0/0x7f0 [ 380.674227] ? ___might_sleep+0x16b/0x270 [ 380.674238] __should_failslab+0xba/0xf0 [ 380.674245] should_failslab+0x9/0x14 [ 380.674250] kmem_cache_alloc_node+0x270/0x730 [ 380.690622] ? find_held_lock+0x36/0x1d0 [ 380.690635] __alloc_skb+0xa7/0x570 [ 380.690643] ? skb_scrub_packet+0x3a0/0x3a0 [ 380.690659] _sctp_make_chunk+0x3f/0x260 [ 380.690667] sctp_make_datafrag_empty+0x159/0x260 [ 380.690674] ? sctp_make_ecne+0xf0/0xf0 [ 380.690684] ? process_measurement+0x805/0x14b0 [ 380.700427] sctp_datamsg_from_user+0x4d7/0xf30 [ 380.700437] ? mark_held_locks+0x130/0x130 [ 380.700449] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 380.700457] ? find_held_lock+0x36/0x1d0 [ 380.700467] ? sctp_clear_owner_w+0xf0/0xf0 [ 380.711561] ? lock_sock_nested+0xc5/0x100 [ 380.711568] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.711574] ? __local_bh_enable_ip+0x160/0x260 [ 380.711578] ? lock_sock_nested+0x82/0x100 [ 380.711584] ? trace_hardirqs_on+0x28/0x190 [ 380.711589] ? lock_sock_nested+0x82/0x100 [ 380.711594] ? lock_sock_nested+0x82/0x100 [ 380.711600] ? __local_bh_enable_ip+0x160/0x260 [ 380.711611] sctp_sendmsg+0xb80/0x1710 [ 380.711622] ? sctp_id2assoc+0x250/0x250 [ 380.711629] ? ___might_sleep+0x16b/0x270 [ 380.719641] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 380.719656] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 380.719666] inet_sendmsg+0x108/0x440 [ 380.719673] ? security_socket_sendmsg+0x4a/0x90 [ 380.719678] ? ipip_gro_receive+0xf0/0xf0 [ 380.992869] sock_sendmsg+0xb5/0xf0 [ 380.996488] sock_write_iter+0x1e9/0x3d0 [ 381.000544] ? sock_sendmsg+0xf0/0xf0 [ 381.004347] __vfs_write+0x4a3/0x970 [ 381.008063] ? lock_downgrade+0x7f0/0x7f0 [ 381.012204] ? kernel_read+0x130/0x130 [ 381.016084] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.021013] ? apparmor_file_permission+0x15/0x20 [ 381.025846] ? rw_verify_area+0xb8/0x2b0 [ 381.029902] vfs_write+0x150/0x4e0 [ 381.033435] ksys_write+0xcd/0x1b0 [ 381.036994] ? __ia32_sys_read+0xa0/0xa0 [ 381.041053] ? do_syscall_64+0x21/0x4d0 [ 381.045024] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.050379] __x64_sys_write+0x6e/0xb0 [ 381.054253] do_syscall_64+0xd0/0x4d0 [ 381.058044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.063248] RIP: 0033:0x4592c9 [ 381.066433] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 381.085339] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 381.093033] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 381.100289] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 381.107551] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 381.114812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 381.122073] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 381.129349] CPU: 0 PID: 12421 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 381.136545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.145894] Call Trace: [ 381.148479] dump_stack+0x113/0x167 [ 381.152108] should_fail.cold.4+0x5/0x13 [ 381.156173] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 381.161277] ? lock_downgrade+0x7f0/0x7f0 [ 381.165433] ? ___might_sleep+0x16b/0x270 [ 381.169583] __should_failslab+0xba/0xf0 [ 381.173644] should_failslab+0x9/0x14 [ 381.177443] kmem_cache_alloc_node+0x270/0x730 [ 381.182021] ? find_held_lock+0x36/0x1d0 [ 381.186085] __alloc_skb+0xa7/0x570 [ 381.189712] ? skb_scrub_packet+0x3a0/0x3a0 [ 381.194039] _sctp_make_chunk+0x3f/0x260 [ 381.198098] sctp_make_datafrag_empty+0x159/0x260 [ 381.202943] ? sctp_make_ecne+0xf0/0xf0 [ 381.206919] ? process_measurement+0x805/0x14b0 [ 381.211589] sctp_datamsg_from_user+0x4d7/0xf30 [ 381.215042] FAULT_INJECTION: forcing a failure. [ 381.215042] name failslab, interval 1, probability 0, space 0, times 0 [ 381.216439] ? mark_held_locks+0x130/0x130 [ 381.216452] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 381.216460] ? find_held_lock+0x36/0x1d0 [ 381.216471] ? sctp_clear_owner_w+0xf0/0xf0 [ 381.216479] ? lock_sock_nested+0xc5/0x100 [ 381.249019] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.253597] ? __local_bh_enable_ip+0x160/0x260 [ 381.258261] ? lock_sock_nested+0x82/0x100 [ 381.262485] ? trace_hardirqs_on+0x28/0x190 [ 381.266794] ? lock_sock_nested+0x82/0x100 [ 381.271028] ? lock_sock_nested+0x82/0x100 [ 381.275259] ? __local_bh_enable_ip+0x160/0x260 [ 381.279926] sctp_sendmsg+0xb80/0x1710 [ 381.283811] ? sctp_id2assoc+0x250/0x250 [ 381.287863] ? ___might_sleep+0x16b/0x270 [ 381.292007] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.296935] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 381.301861] inet_sendmsg+0x108/0x440 [ 381.305654] ? security_socket_sendmsg+0x4a/0x90 [ 381.310403] ? ipip_gro_receive+0xf0/0xf0 [ 381.314543] sock_sendmsg+0xb5/0xf0 [ 381.318163] sock_write_iter+0x1e9/0x3d0 [ 381.322218] ? sock_sendmsg+0xf0/0xf0 [ 381.326039] __vfs_write+0x4a3/0x970 [ 381.329759] ? lock_downgrade+0x7f0/0x7f0 [ 381.333894] ? kernel_read+0x130/0x130 [ 381.337774] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.342705] ? apparmor_file_permission+0x15/0x20 [ 381.347546] ? rw_verify_area+0xb8/0x2b0 [ 381.347555] vfs_write+0x150/0x4e0 [ 381.347563] ksys_write+0xcd/0x1b0 [ 381.347569] ? __ia32_sys_read+0xa0/0xa0 [ 381.347577] ? do_syscall_64+0x21/0x4d0 [ 381.347585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.347593] __x64_sys_write+0x6e/0xb0 [ 381.347600] do_syscall_64+0xd0/0x4d0 [ 381.347608] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.347614] RIP: 0033:0x4592c9 [ 381.355216] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 381.355220] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 381.355226] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 381.355230] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 381.355233] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 381.355237] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 381.355240] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 381.377475] CPU: 0 PID: 12429 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 381.451285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.451289] Call Trace: [ 381.451309] dump_stack+0x113/0x167 [ 381.451322] should_fail.cold.4+0x5/0x13 [ 381.451330] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 381.451337] ? lock_downgrade+0x7f0/0x7f0 [ 381.451346] ? ___might_sleep+0x16b/0x270 [ 381.451356] __should_failslab+0xba/0xf0 [ 381.451363] should_failslab+0x9/0x14 [ 381.451368] kmem_cache_alloc_node+0x270/0x730 [ 381.451383] __alloc_skb+0xa7/0x570 [ 381.451389] ? skb_scrub_packet+0x3a0/0x3a0 [ 381.451404] _sctp_make_chunk+0x3f/0x260 [ 381.451413] sctp_make_datafrag_empty+0x159/0x260 [ 381.451420] ? sctp_make_ecne+0xf0/0xf0 [ 381.451427] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.451434] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.451442] sctp_datamsg_from_user+0x4d7/0xf30 [ 381.470473] FAULT_INJECTION: forcing a failure. [ 381.470473] name failslab, interval 1, probability 0, space 0, times 0 [ 381.470589] ? _raw_spin_unlock_irq+0x60/0x80 [ 381.504015] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 381.504025] ? pci_mmcfg_check_reserved+0x120/0x120 [ 381.504032] ? find_held_lock+0x36/0x1d0 [ 381.504042] ? sctp_clear_owner_w+0xf0/0xf0 [ 381.529676] ? lock_sock_nested+0x82/0x100 [ 381.529685] ? preempt_schedule+0x4d/0x60 [ 381.529694] ? ___preempt_schedule+0x16/0x18 [ 381.529706] ? __local_bh_enable_ip+0x1a3/0x260 [ 381.529717] sctp_sendmsg+0xb80/0x1710 [ 381.529729] ? sctp_id2assoc+0x250/0x250 [ 381.529736] ? ___might_sleep+0x16b/0x270 [ 381.529746] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.550059] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 381.550070] inet_sendmsg+0x108/0x440 [ 381.550077] ? security_socket_sendmsg+0x4a/0x90 [ 381.550082] ? ipip_gro_receive+0xf0/0xf0 [ 381.550090] sock_sendmsg+0xb5/0xf0 [ 381.550098] sock_write_iter+0x1e9/0x3d0 [ 381.550105] ? sock_sendmsg+0xf0/0xf0 [ 381.550121] __vfs_write+0x4a3/0x970 [ 381.550127] ? lock_downgrade+0x7f0/0x7f0 [ 381.550132] ? kernel_read+0x130/0x130 [ 381.550139] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.550149] ? apparmor_file_permission+0x15/0x20 [ 381.550159] ? rw_verify_area+0xb8/0x2b0 [ 381.621381] FAULT_INJECTION: forcing a failure. [ 381.621381] name failslab, interval 1, probability 0, space 0, times 0 [ 381.624526] vfs_write+0x150/0x4e0 [ 381.624536] ksys_write+0xcd/0x1b0 [ 381.624544] ? __ia32_sys_read+0xa0/0xa0 [ 381.624553] ? do_syscall_64+0x21/0x4d0 [ 381.624562] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.624570] __x64_sys_write+0x6e/0xb0 [ 381.624576] do_syscall_64+0xd0/0x4d0 [ 381.700742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.705924] RIP: 0033:0x4592c9 [ 381.709114] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 381.729412] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 381.737128] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 381.744388] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 381.751647] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 381.758915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 381.766181] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 381.773461] CPU: 1 PID: 12442 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 381.780652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.790001] Call Trace: [ 381.792588] dump_stack+0x113/0x167 [ 381.796219] should_fail.cold.4+0x5/0x13 [ 381.800273] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 381.805366] ? lock_downgrade+0x7f0/0x7f0 [ 381.809512] ? ___might_sleep+0x16b/0x270 [ 381.813652] __should_failslab+0xba/0xf0 [ 381.817704] should_failslab+0x9/0x14 [ 381.821498] kmem_cache_alloc_trace+0x2d8/0x740 [ 381.826160] sctp_datamsg_from_user+0x7f/0xf30 [ 381.830730] ? kmem_cache_alloc_trace+0x353/0x740 [ 381.835568] ? sctp_sched_init_sid+0xf1/0x170 [ 381.840061] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 381.844628] ? __lock_is_held+0xb5/0x140 [ 381.848679] ? find_held_lock+0x36/0x1d0 [ 381.852734] ? sctp_clear_owner_w+0xf0/0xf0 [ 381.857045] ? lock_sock_nested+0xc5/0x100 [ 381.861765] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.866335] ? __local_bh_enable_ip+0x160/0x260 [ 381.870991] ? lock_sock_nested+0x82/0x100 [ 381.875298] ? trace_hardirqs_on+0x28/0x190 [ 381.879608] ? lock_sock_nested+0x82/0x100 [ 381.883835] ? lock_sock_nested+0x82/0x100 [ 381.888061] ? __local_bh_enable_ip+0x160/0x260 [ 381.892720] sctp_sendmsg+0xb80/0x1710 [ 381.896602] ? sctp_id2assoc+0x250/0x250 [ 381.900650] ? ___might_sleep+0x16b/0x270 [ 381.904789] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.909730] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 381.914651] inet_sendmsg+0x108/0x440 [ 381.918445] ? security_socket_sendmsg+0x4a/0x90 [ 381.923192] ? ipip_gro_receive+0xf0/0xf0 [ 381.927335] sock_sendmsg+0xb5/0xf0 [ 381.930958] sock_write_iter+0x1e9/0x3d0 [ 381.935007] ? sock_sendmsg+0xf0/0xf0 [ 381.938811] __vfs_write+0x4a3/0x970 [ 381.942516] ? lock_downgrade+0x7f0/0x7f0 [ 381.946652] ? kernel_read+0x130/0x130 [ 381.950532] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 381.955455] ? apparmor_file_permission+0x15/0x20 [ 381.960373] ? rw_verify_area+0xb8/0x2b0 [ 381.964442] vfs_write+0x150/0x4e0 [ 381.967976] ksys_write+0xcd/0x1b0 [ 381.971508] ? __ia32_sys_read+0xa0/0xa0 [ 381.975562] ? do_syscall_64+0x21/0x4d0 [ 381.980111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.985475] __x64_sys_write+0x6e/0xb0 [ 381.989355] do_syscall_64+0xd0/0x4d0 [ 381.993150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.998324] RIP: 0033:0x4592c9 [ 382.001508] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 382.020442] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 382.028137] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 382.035413] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 382.042681] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 382.049937] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 382.057197] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 382.064562] CPU: 0 PID: 12434 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 382.071779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.071785] Call Trace: [ 382.071798] dump_stack+0x113/0x167 [ 382.071810] should_fail.cold.4+0x5/0x13 [ 382.071820] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 382.096480] ? lock_downgrade+0x7f0/0x7f0 [ 382.096490] ? ___might_sleep+0x16b/0x270 [ 382.096501] __should_failslab+0xba/0xf0 [ 382.096510] should_failslab+0x9/0x14 [ 382.096515] kmem_cache_alloc_node+0x270/0x730 [ 382.096521] ? find_held_lock+0x36/0x1d0 [ 382.096533] __alloc_skb+0xa7/0x570 [ 382.096540] ? skb_scrub_packet+0x3a0/0x3a0 [ 382.104821] _sctp_make_chunk+0x3f/0x260 [ 382.104831] sctp_make_datafrag_empty+0x159/0x260 [ 382.104838] ? sctp_make_ecne+0xf0/0xf0 [ 382.104849] ? process_measurement+0x805/0x14b0 [ 382.104859] sctp_datamsg_from_user+0x4d7/0xf30 [ 382.104869] ? mark_held_locks+0x130/0x130 [ 382.117271] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 382.117280] ? find_held_lock+0x36/0x1d0 [ 382.117291] ? sctp_clear_owner_w+0xf0/0xf0 [ 382.117304] ? lock_sock_nested+0xc5/0x100 [ 382.117310] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.117316] ? __local_bh_enable_ip+0x160/0x260 [ 382.117320] ? lock_sock_nested+0x82/0x100 [ 382.117326] ? trace_hardirqs_on+0x28/0x190 [ 382.117330] ? lock_sock_nested+0x82/0x100 [ 382.117335] ? lock_sock_nested+0x82/0x100 [ 382.117341] ? __local_bh_enable_ip+0x160/0x260 [ 382.117350] sctp_sendmsg+0xb80/0x1710 [ 382.117361] ? sctp_id2assoc+0x250/0x250 [ 382.117368] ? ___might_sleep+0x16b/0x270 [ 382.117379] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.146893] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 382.146903] inet_sendmsg+0x108/0x440 [ 382.146910] ? security_socket_sendmsg+0x4a/0x90 [ 382.146916] ? ipip_gro_receive+0xf0/0xf0 [ 382.146924] sock_sendmsg+0xb5/0xf0 [ 382.146932] sock_write_iter+0x1e9/0x3d0 [ 382.146939] ? sock_sendmsg+0xf0/0xf0 [ 382.146956] __vfs_write+0x4a3/0x970 [ 382.146962] ? lock_downgrade+0x7f0/0x7f0 [ 382.146968] ? kernel_read+0x130/0x130 [ 382.146976] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.146986] ? apparmor_file_permission+0x15/0x20 [ 382.146995] ? rw_verify_area+0xb8/0x2b0 [ 382.147003] vfs_write+0x150/0x4e0 [ 382.147011] ksys_write+0xcd/0x1b0 [ 382.147017] ? __ia32_sys_read+0xa0/0xa0 [ 382.147026] ? do_syscall_64+0x21/0x4d0 [ 382.147034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.147043] __x64_sys_write+0x6e/0xb0 [ 382.147049] do_syscall_64+0xd0/0x4d0 [ 382.147057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.147064] RIP: 0033:0x4592c9 [ 382.164555] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 382.164559] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 382.164565] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 382.164569] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 382.164572] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 382.164575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 382.164579] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 382.221049] FAULT_INJECTION: forcing a failure. [ 382.221049] name failslab, interval 1, probability 0, space 0, times 0 [ 382.334815] FAULT_INJECTION: forcing a failure. [ 382.334815] name failslab, interval 1, probability 0, space 0, times 0 [ 382.404302] FAULT_INJECTION: forcing a failure. [ 382.404302] name failslab, interval 1, probability 0, space 0, times 0 [ 382.410986] FAULT_INJECTION: forcing a failure. [ 382.410986] name failslab, interval 1, probability 0, space 0, times 0 [ 382.426210] CPU: 1 PID: 12466 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 382.433901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.443245] Call Trace: [ 382.445920] dump_stack+0x113/0x167 [ 382.449544] should_fail.cold.4+0x5/0x13 [ 382.453599] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 382.458689] ? lock_downgrade+0x7f0/0x7f0 [ 382.462827] ? ___might_sleep+0x16b/0x270 [ 382.466970] __should_failslab+0xba/0xf0 [ 382.471021] should_failslab+0x9/0x14 [ 382.474812] kmem_cache_alloc_node+0x270/0x730 [ 382.479508] ? find_held_lock+0x36/0x1d0 [ 382.483568] __alloc_skb+0xa7/0x570 [ 382.487184] ? skb_scrub_packet+0x3a0/0x3a0 [ 382.491516] _sctp_make_chunk+0x3f/0x260 [ 382.495577] sctp_make_datafrag_empty+0x159/0x260 [ 382.500407] ? sctp_make_ecne+0xf0/0xf0 [ 382.504373] ? process_measurement+0x805/0x14b0 [ 382.509037] sctp_datamsg_from_user+0x4d7/0xf30 [ 382.513698] ? mark_held_locks+0x130/0x130 [ 382.517928] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 382.522503] ? find_held_lock+0x36/0x1d0 [ 382.526555] ? sctp_clear_owner_w+0xf0/0xf0 [ 382.530875] ? lock_sock_nested+0xc5/0x100 [ 382.535100] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.539669] ? __local_bh_enable_ip+0x160/0x260 [ 382.544326] ? lock_sock_nested+0x82/0x100 [ 382.548557] ? trace_hardirqs_on+0x28/0x190 [ 382.552864] ? lock_sock_nested+0x82/0x100 [ 382.557101] ? lock_sock_nested+0x82/0x100 [ 382.561329] ? __local_bh_enable_ip+0x160/0x260 [ 382.565994] sctp_sendmsg+0xb80/0x1710 [ 382.569876] ? sctp_id2assoc+0x250/0x250 [ 382.573933] ? ___might_sleep+0x16b/0x270 [ 382.578075] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.583003] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 382.587933] inet_sendmsg+0x108/0x440 [ 382.591725] ? security_socket_sendmsg+0x4a/0x90 [ 382.596473] ? ipip_gro_receive+0xf0/0xf0 [ 382.600618] sock_sendmsg+0xb5/0xf0 [ 382.604244] sock_write_iter+0x1e9/0x3d0 [ 382.608296] ? sock_sendmsg+0xf0/0xf0 [ 382.612098] __vfs_write+0x4a3/0x970 [ 382.616411] ? lock_downgrade+0x7f0/0x7f0 [ 382.620548] ? kernel_read+0x130/0x130 [ 382.624443] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.629368] ? apparmor_file_permission+0x15/0x20 [ 382.634200] ? rw_verify_area+0xb8/0x2b0 [ 382.638251] vfs_write+0x150/0x4e0 [ 382.641784] ksys_write+0xcd/0x1b0 [ 382.645316] ? __ia32_sys_read+0xa0/0xa0 [ 382.649373] ? do_syscall_64+0x21/0x4d0 [ 382.653342] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.658698] __x64_sys_write+0x6e/0xb0 [ 382.662904] do_syscall_64+0xd0/0x4d0 [ 382.666697] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.671880] RIP: 0033:0x4592c9 [ 382.675069] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 382.693963] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 382.701662] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 382.708927] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 382.716185] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 382.723442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 382.730700] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 382.737978] CPU: 0 PID: 12453 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 382.745466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.757066] Call Trace: [ 382.757081] dump_stack+0x113/0x167 [ 382.757093] should_fail.cold.4+0x5/0x13 [ 382.757101] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 382.757108] ? lock_downgrade+0x7f0/0x7f0 [ 382.757117] ? ___might_sleep+0x16b/0x270 [ 382.757127] __should_failslab+0xba/0xf0 [ 382.757135] should_failslab+0x9/0x14 [ 382.757141] kmem_cache_alloc_node+0x270/0x730 [ 382.757147] ? find_held_lock+0x36/0x1d0 [ 382.757163] __alloc_skb+0xa7/0x570 [ 382.757170] ? skb_scrub_packet+0x3a0/0x3a0 [ 382.757186] _sctp_make_chunk+0x3f/0x260 [ 382.757194] sctp_make_datafrag_empty+0x159/0x260 [ 382.757201] ? sctp_make_ecne+0xf0/0xf0 [ 382.757212] ? process_measurement+0x805/0x14b0 [ 382.757220] sctp_datamsg_from_user+0x4d7/0xf30 [ 382.767457] ? mark_held_locks+0x130/0x130 [ 382.767470] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 382.767479] ? find_held_lock+0x36/0x1d0 [ 382.767490] ? sctp_clear_owner_w+0xf0/0xf0 [ 382.767496] ? lock_sock_nested+0xc5/0x100 [ 382.767501] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.767507] ? __local_bh_enable_ip+0x160/0x260 [ 382.767511] ? lock_sock_nested+0x82/0x100 [ 382.767517] ? trace_hardirqs_on+0x28/0x190 [ 382.767521] ? lock_sock_nested+0x82/0x100 [ 382.767525] ? lock_sock_nested+0x82/0x100 [ 382.767532] ? __local_bh_enable_ip+0x160/0x260 [ 382.767540] sctp_sendmsg+0xb80/0x1710 [ 382.776765] ? sctp_id2assoc+0x250/0x250 [ 382.776773] ? ___might_sleep+0x16b/0x270 [ 382.776785] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.776798] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 382.776807] inet_sendmsg+0x108/0x440 [ 382.776814] ? security_socket_sendmsg+0x4a/0x90 [ 382.776819] ? ipip_gro_receive+0xf0/0xf0 [ 382.776827] sock_sendmsg+0xb5/0xf0 [ 382.776834] sock_write_iter+0x1e9/0x3d0 [ 382.776841] ? sock_sendmsg+0xf0/0xf0 [ 382.776857] __vfs_write+0x4a3/0x970 [ 382.776863] ? lock_downgrade+0x7f0/0x7f0 [ 382.776869] ? kernel_read+0x130/0x130 [ 382.776877] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 382.776888] ? apparmor_file_permission+0x15/0x20 [ 382.776896] ? rw_verify_area+0xb8/0x2b0 [ 382.776904] vfs_write+0x150/0x4e0 [ 382.776912] ksys_write+0xcd/0x1b0 [ 382.788884] ? __ia32_sys_read+0xa0/0xa0 [ 382.788893] ? do_syscall_64+0x21/0x4d0 [ 382.788902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.788911] __x64_sys_write+0x6e/0xb0 [ 382.788918] do_syscall_64+0xd0/0x4d0 [ 382.788925] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.797541] RIP: 0033:0x4592c9 [ 382.797548] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 382.797552] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 382.797558] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 382.797562] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 382.797566] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 382.797569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 382.797573] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 382.811098] CPU: 0 PID: 12463 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 382.823165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.823169] Call Trace: [ 382.823182] dump_stack+0x113/0x167 [ 382.823195] should_fail.cold.4+0x5/0x13 [ 382.823203] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 382.823210] ? lock_downgrade+0x7f0/0x7f0 [ 382.823219] ? ___might_sleep+0x16b/0x270 [ 382.823229] __should_failslab+0xba/0xf0 [ 382.823236] should_failslab+0x9/0x14 [ 382.832116] kmem_cache_alloc_node+0x270/0x730 [ 382.832123] ? find_held_lock+0x36/0x1d0 [ 382.832136] __alloc_skb+0xa7/0x570 [ 382.832144] ? skb_scrub_packet+0x3a0/0x3a0 [ 382.832159] _sctp_make_chunk+0x3f/0x260 [ 382.832167] sctp_make_datafrag_empty+0x159/0x260 [ 382.832174] ? sctp_make_ecne+0xf0/0xf0 [ 382.884867] ? process_measurement+0x805/0x14b0 [ 382.884881] sctp_datamsg_from_user+0x4d7/0xf30 [ 382.884892] ? mark_held_locks+0x130/0x130 [ 382.884903] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 382.893084] ? find_held_lock+0x36/0x1d0 [ 382.893095] ? sctp_clear_owner_w+0xf0/0xf0 [ 382.893103] ? lock_sock_nested+0xc5/0x100 [ 382.893108] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.893115] ? __local_bh_enable_ip+0x160/0x260 [ 382.956090] ? lock_sock_nested+0x82/0x100 [ 382.956098] ? trace_hardirqs_on+0x28/0x190 [ 382.956103] ? lock_sock_nested+0x82/0x100 [ 382.956108] ? lock_sock_nested+0x82/0x100 [ 382.956116] ? __local_bh_enable_ip+0x160/0x260 [ 382.956127] sctp_sendmsg+0xb80/0x1710 [ 382.997720] FAULT_INJECTION: forcing a failure. [ 382.997720] name failslab, interval 1, probability 0, space 0, times 0 [ 383.008082] ? sctp_id2assoc+0x250/0x250 [ 383.008092] ? ___might_sleep+0x16b/0x270 [ 383.008104] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.008117] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 383.008127] inet_sendmsg+0x108/0x440 [ 383.008133] ? security_socket_sendmsg+0x4a/0x90 [ 383.008143] ? ipip_gro_receive+0xf0/0xf0 [ 383.008151] sock_sendmsg+0xb5/0xf0 [ 383.008158] sock_write_iter+0x1e9/0x3d0 [ 383.008166] ? sock_sendmsg+0xf0/0xf0 [ 383.008183] __vfs_write+0x4a3/0x970 [ 383.008189] ? lock_downgrade+0x7f0/0x7f0 [ 383.008196] ? kernel_read+0x130/0x130 [ 383.023174] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.023186] ? apparmor_file_permission+0x15/0x20 [ 383.023196] ? rw_verify_area+0xb8/0x2b0 [ 383.023204] vfs_write+0x150/0x4e0 [ 383.023212] ksys_write+0xcd/0x1b0 [ 383.023218] ? __ia32_sys_read+0xa0/0xa0 [ 383.068765] ? do_syscall_64+0x21/0x4d0 [ 383.068775] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.068787] __x64_sys_write+0x6e/0xb0 [ 383.068794] do_syscall_64+0xd0/0x4d0 [ 383.068801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.068807] RIP: 0033:0x4592c9 [ 383.068814] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 383.068817] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 383.068823] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 383.068827] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 383.068830] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 383.068833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 383.068837] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 383.096851] CPU: 0 PID: 12468 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 383.172751] FAULT_INJECTION: forcing a failure. [ 383.172751] name failslab, interval 1, probability 0, space 0, times 0 [ 383.174030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.174034] Call Trace: [ 383.174054] dump_stack+0x113/0x167 [ 383.174067] should_fail.cold.4+0x5/0x13 [ 383.174075] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 383.174082] ? lock_downgrade+0x7f0/0x7f0 [ 383.174092] ? ___might_sleep+0x16b/0x270 [ 383.233040] __should_failslab+0xba/0xf0 [ 383.233049] should_failslab+0x9/0x14 [ 383.233054] kmem_cache_alloc_node+0x270/0x730 [ 383.233062] ? find_held_lock+0x36/0x1d0 [ 383.233076] __alloc_skb+0xa7/0x570 [ 383.233083] ? skb_scrub_packet+0x3a0/0x3a0 [ 383.233099] _sctp_make_chunk+0x3f/0x260 [ 383.233107] sctp_make_datafrag_empty+0x159/0x260 [ 383.358960] ? sctp_make_ecne+0xf0/0xf0 [ 383.358972] ? process_measurement+0x805/0x14b0 [ 383.358981] sctp_datamsg_from_user+0x4d7/0xf30 [ 383.358991] ? mark_held_locks+0x130/0x130 [ 383.359003] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 383.359011] ? find_held_lock+0x36/0x1d0 [ 383.359021] ? sctp_clear_owner_w+0xf0/0xf0 [ 383.359040] ? lock_sock_nested+0xc5/0x100 [ 383.359046] ? lockdep_hardirqs_on+0x421/0x5c0 [ 383.359053] ? __local_bh_enable_ip+0x160/0x260 [ 383.380752] ? lock_sock_nested+0x82/0x100 [ 383.380760] ? trace_hardirqs_on+0x28/0x190 [ 383.380765] ? lock_sock_nested+0x82/0x100 [ 383.380770] ? lock_sock_nested+0x82/0x100 [ 383.380778] ? __local_bh_enable_ip+0x160/0x260 [ 383.380790] sctp_sendmsg+0xb80/0x1710 [ 383.380801] ? sctp_id2assoc+0x250/0x250 [ 383.380808] ? ___might_sleep+0x16b/0x270 [ 383.380819] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.380832] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 383.471622] inet_sendmsg+0x108/0x440 [ 383.471631] ? security_socket_sendmsg+0x4a/0x90 [ 383.471637] ? ipip_gro_receive+0xf0/0xf0 [ 383.471646] sock_sendmsg+0xb5/0xf0 [ 383.471653] sock_write_iter+0x1e9/0x3d0 [ 383.471659] ? sock_sendmsg+0xf0/0xf0 [ 383.493040] __vfs_write+0x4a3/0x970 [ 383.493049] ? lock_downgrade+0x7f0/0x7f0 [ 383.493055] ? kernel_read+0x130/0x130 [ 383.493063] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.586520] ? apparmor_file_permission+0x15/0x20 [ 383.591363] ? rw_verify_area+0xb8/0x2b0 [ 383.595421] vfs_write+0x150/0x4e0 [ 383.598960] ksys_write+0xcd/0x1b0 [ 383.602500] ? __ia32_sys_read+0xa0/0xa0 [ 383.606556] ? do_syscall_64+0x21/0x4d0 [ 383.610526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.615891] __x64_sys_write+0x6e/0xb0 [ 383.619782] do_syscall_64+0xd0/0x4d0 [ 383.623576] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.628762] RIP: 0033:0x4592c9 [ 383.631948] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 383.650852] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 383.658556] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 383.665819] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 383.673080] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 383.680348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 383.687612] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 383.694894] CPU: 1 PID: 12485 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 383.702091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.711441] Call Trace: [ 383.712479] FAULT_INJECTION: forcing a failure. [ 383.712479] name failslab, interval 1, probability 0, space 0, times 0 [ 383.714022] dump_stack+0x113/0x167 [ 383.729894] should_fail.cold.4+0x5/0x13 [ 383.733957] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 383.739063] ? lock_downgrade+0x7f0/0x7f0 [ 383.743200] ? ___might_sleep+0x16b/0x270 [ 383.747346] __should_failslab+0xba/0xf0 [ 383.751398] should_failslab+0x9/0x14 [ 383.755182] kmem_cache_alloc_node+0x270/0x730 [ 383.759759] __alloc_skb+0xa7/0x570 [ 383.763375] ? skb_scrub_packet+0x3a0/0x3a0 [ 383.767690] _sctp_make_chunk+0x3f/0x260 [ 383.771743] sctp_make_datafrag_empty+0x159/0x260 [ 383.776571] ? sctp_make_ecne+0xf0/0xf0 [ 383.780541] sctp_datamsg_from_user+0x4d7/0xf30 [ 383.785205] ? mark_held_locks+0x130/0x130 [ 383.789431] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 383.794005] ? __lock_is_held+0xb5/0x140 [ 383.798053] ? find_held_lock+0x36/0x1d0 [ 383.802110] ? sctp_clear_owner_w+0xf0/0xf0 [ 383.806418] ? lock_sock_nested+0xc5/0x100 [ 383.810640] ? lockdep_hardirqs_on+0x421/0x5c0 [ 383.815211] ? __local_bh_enable_ip+0x160/0x260 [ 383.819864] ? lock_sock_nested+0x82/0x100 [ 383.824083] ? trace_hardirqs_on+0x28/0x190 [ 383.828396] ? lock_sock_nested+0x82/0x100 [ 383.832617] ? lock_sock_nested+0x82/0x100 [ 383.836838] ? __local_bh_enable_ip+0x160/0x260 [ 383.841518] sctp_sendmsg+0xb80/0x1710 [ 383.845401] ? sctp_id2assoc+0x250/0x250 [ 383.849451] ? ___might_sleep+0x16b/0x270 [ 383.853610] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.858555] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 383.863936] inet_sendmsg+0x108/0x440 [ 383.867735] ? security_socket_sendmsg+0x4a/0x90 [ 383.872502] ? ipip_gro_receive+0xf0/0xf0 [ 383.876645] sock_sendmsg+0xb5/0xf0 [ 383.880261] sock_write_iter+0x1e9/0x3d0 [ 383.884485] ? sock_sendmsg+0xf0/0xf0 [ 383.888288] __vfs_write+0x4a3/0x970 [ 383.891998] ? lock_downgrade+0x7f0/0x7f0 [ 383.896133] ? kernel_read+0x130/0x130 [ 383.900012] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 383.904937] ? apparmor_file_permission+0x15/0x20 [ 383.909771] ? rw_verify_area+0xb8/0x2b0 [ 383.913858] vfs_write+0x150/0x4e0 [ 383.917390] ksys_write+0xcd/0x1b0 [ 383.920922] ? __ia32_sys_read+0xa0/0xa0 [ 383.924974] ? do_syscall_64+0x21/0x4d0 [ 383.928937] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.934294] __x64_sys_write+0x6e/0xb0 [ 383.938180] do_syscall_64+0xd0/0x4d0 [ 383.941973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.947146] RIP: 0033:0x4592c9 [ 383.950329] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 383.969220] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 383.976921] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 383.984288] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 383.991552] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 383.998814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 384.006072] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 384.013349] CPU: 0 PID: 12495 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 384.020546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.029901] Call Trace: [ 384.032478] dump_stack+0x113/0x167 [ 384.036108] should_fail.cold.4+0x5/0x13 [ 384.040176] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 384.045282] ? lock_downgrade+0x7f0/0x7f0 [ 384.049445] ? ___might_sleep+0x16b/0x270 [ 384.053602] __should_failslab+0xba/0xf0 [ 384.057667] should_failslab+0x9/0x14 [ 384.061549] kmem_cache_alloc_node+0x270/0x730 [ 384.066136] ? find_held_lock+0x36/0x1d0 [ 384.070207] __alloc_skb+0xa7/0x570 [ 384.073831] ? skb_scrub_packet+0x3a0/0x3a0 [ 384.078159] _sctp_make_chunk+0x3f/0x260 [ 384.082217] sctp_make_datafrag_empty+0x159/0x260 [ 384.087064] ? sctp_make_ecne+0xf0/0xf0 [ 384.091039] ? process_measurement+0x805/0x14b0 [ 384.095707] sctp_datamsg_from_user+0x4d7/0xf30 [ 384.100371] ? mark_held_locks+0x130/0x130 [ 384.104603] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 384.109187] ? find_held_lock+0x36/0x1d0 [ 384.113252] ? sctp_clear_owner_w+0xf0/0xf0 [ 384.117577] ? lock_sock_nested+0xc5/0x100 [ 384.121805] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.126380] ? __local_bh_enable_ip+0x160/0x260 [ 384.131046] ? lock_sock_nested+0x82/0x100 [ 384.135275] ? trace_hardirqs_on+0x28/0x190 [ 384.139598] ? lock_sock_nested+0x82/0x100 [ 384.143831] ? lock_sock_nested+0x82/0x100 [ 384.148069] ? __local_bh_enable_ip+0x160/0x260 [ 384.152743] sctp_sendmsg+0xb80/0x1710 [ 384.156626] ? sctp_id2assoc+0x250/0x250 [ 384.160679] ? ___might_sleep+0x16b/0x270 [ 384.162502] FAULT_INJECTION: forcing a failure. [ 384.162502] name failslab, interval 1, probability 0, space 0, times 0 [ 384.164823] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.164838] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 384.164848] inet_sendmsg+0x108/0x440 [ 384.164855] ? security_socket_sendmsg+0x4a/0x90 [ 384.164860] ? ipip_gro_receive+0xf0/0xf0 [ 384.164869] sock_sendmsg+0xb5/0xf0 [ 384.164876] sock_write_iter+0x1e9/0x3d0 [ 384.164883] ? sock_sendmsg+0xf0/0xf0 [ 384.164898] __vfs_write+0x4a3/0x970 [ 384.213666] ? lock_downgrade+0x7f0/0x7f0 [ 384.217805] ? kernel_read+0x130/0x130 [ 384.221689] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.226622] ? apparmor_file_permission+0x15/0x20 [ 384.231459] ? rw_verify_area+0xb8/0x2b0 [ 384.235517] vfs_write+0x150/0x4e0 [ 384.239070] ksys_write+0xcd/0x1b0 [ 384.242605] ? __ia32_sys_read+0xa0/0xa0 [ 384.246658] ? do_syscall_64+0x21/0x4d0 [ 384.250632] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.255988] __x64_sys_write+0x6e/0xb0 [ 384.259866] do_syscall_64+0xd0/0x4d0 [ 384.263666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.268848] RIP: 0033:0x4592c9 [ 384.272032] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 384.290927] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 384.298647] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 384.305910] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 384.313171] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 384.320434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 384.327695] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 384.334969] CPU: 1 PID: 12464 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 384.342162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.351513] Call Trace: [ 384.354136] dump_stack+0x113/0x167 [ 384.357762] should_fail.cold.4+0x5/0x13 [ 384.361824] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 384.366922] ? lock_downgrade+0x7f0/0x7f0 [ 384.366930] ? ___might_sleep+0x16b/0x270 [ 384.366941] __should_failslab+0xba/0xf0 [ 384.366948] should_failslab+0x9/0x14 [ 384.366954] kmem_cache_alloc_node+0x270/0x730 [ 384.375228] ? find_held_lock+0x36/0x1d0 [ 384.391675] __alloc_skb+0xa7/0x570 [ 384.395326] ? skb_scrub_packet+0x3a0/0x3a0 [ 384.399647] _sctp_make_chunk+0x3f/0x260 [ 384.403698] sctp_make_datafrag_empty+0x159/0x260 [ 384.408529] ? sctp_make_ecne+0xf0/0xf0 [ 384.412494] ? process_measurement+0x805/0x14b0 [ 384.417155] sctp_datamsg_from_user+0x4d7/0xf30 [ 384.421854] ? mark_held_locks+0x130/0x130 [ 384.426088] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 384.430661] ? find_held_lock+0x36/0x1d0 [ 384.434719] ? sctp_clear_owner_w+0xf0/0xf0 [ 384.439043] ? lock_sock_nested+0xc5/0x100 [ 384.443265] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.447834] ? __local_bh_enable_ip+0x160/0x260 [ 384.452495] ? lock_sock_nested+0x82/0x100 [ 384.456716] ? trace_hardirqs_on+0x28/0x190 [ 384.461030] ? lock_sock_nested+0x82/0x100 [ 384.465274] ? lock_sock_nested+0x82/0x100 [ 384.469497] ? __local_bh_enable_ip+0x160/0x260 [ 384.474159] sctp_sendmsg+0xb80/0x1710 [ 384.478038] ? sctp_id2assoc+0x250/0x250 [ 384.482086] ? ___might_sleep+0x16b/0x270 [ 384.486231] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.491159] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 384.496086] inet_sendmsg+0x108/0x440 [ 384.499876] ? security_socket_sendmsg+0x4a/0x90 [ 384.504625] ? ipip_gro_receive+0xf0/0xf0 [ 384.508765] sock_sendmsg+0xb5/0xf0 [ 384.512396] sock_write_iter+0x1e9/0x3d0 [ 384.516445] ? sock_sendmsg+0xf0/0xf0 [ 384.520248] __vfs_write+0x4a3/0x970 [ 384.523955] ? lock_downgrade+0x7f0/0x7f0 [ 384.528094] ? kernel_read+0x130/0x130 [ 384.531976] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.536901] ? apparmor_file_permission+0x15/0x20 [ 384.541761] ? rw_verify_area+0xb8/0x2b0 [ 384.545818] vfs_write+0x150/0x4e0 [ 384.549349] ksys_write+0xcd/0x1b0 [ 384.552879] ? __ia32_sys_read+0xa0/0xa0 [ 384.556941] ? do_syscall_64+0x21/0x4d0 [ 384.560911] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.566263] __x64_sys_write+0x6e/0xb0 [ 384.570143] do_syscall_64+0xd0/0x4d0 [ 384.573940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.579217] RIP: 0033:0x4592c9 [ 384.582400] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 384.601292] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 384.608991] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 384.616253] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 384.623515] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 384.630779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 384.638038] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 384.645312] CPU: 0 PID: 12500 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 384.652505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.661855] Call Trace: [ 384.664438] dump_stack+0x113/0x167 [ 384.668066] should_fail.cold.4+0x5/0x13 [ 384.672128] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 384.677226] ? lock_downgrade+0x7f0/0x7f0 [ 384.681365] ? ___might_sleep+0x16b/0x270 [ 384.685507] __should_failslab+0xba/0xf0 [ 384.689646] should_failslab+0x9/0x14 [ 384.693430] kmem_cache_alloc_trace+0x2d8/0x740 [ 384.698093] sctp_datamsg_from_user+0x7f/0xf30 [ 384.702659] ? kmem_cache_alloc_trace+0x353/0x740 [ 384.707493] ? sctp_sched_init_sid+0xf1/0x170 [ 384.712040] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 384.716607] ? find_held_lock+0x36/0x1d0 [ 384.720677] ? sctp_clear_owner_w+0xf0/0xf0 [ 384.724997] ? lock_sock_nested+0xc5/0x100 [ 384.729656] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.734221] ? __local_bh_enable_ip+0x160/0x260 [ 384.738880] ? lock_sock_nested+0x82/0x100 [ 384.743751] ? trace_hardirqs_on+0x28/0x190 [ 384.753199] ? lock_sock_nested+0x82/0x100 [ 384.757421] ? lock_sock_nested+0x82/0x100 [ 384.761640] ? __local_bh_enable_ip+0x160/0x260 [ 384.766305] sctp_sendmsg+0xb80/0x1710 [ 384.770186] ? sctp_id2assoc+0x250/0x250 [ 384.774249] ? ___might_sleep+0x16b/0x270 [ 384.778404] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.783333] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 384.788251] inet_sendmsg+0x108/0x440 [ 384.792038] ? security_socket_sendmsg+0x4a/0x90 [ 384.796780] ? ipip_gro_receive+0xf0/0xf0 [ 384.800919] sock_sendmsg+0xb5/0xf0 [ 384.804571] sock_write_iter+0x1e9/0x3d0 [ 384.808626] ? sock_sendmsg+0xf0/0xf0 [ 384.812421] __vfs_write+0x4a3/0x970 [ 384.816128] ? lock_downgrade+0x7f0/0x7f0 [ 384.820261] ? kernel_read+0x130/0x130 [ 384.824137] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 384.829076] ? apparmor_file_permission+0x15/0x20 [ 384.833911] ? rw_verify_area+0xb8/0x2b0 [ 384.837964] vfs_write+0x150/0x4e0 [ 384.841512] ksys_write+0xcd/0x1b0 [ 384.845037] ? __ia32_sys_read+0xa0/0xa0 [ 384.849083] ? do_syscall_64+0x21/0x4d0 [ 384.853045] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.858400] __x64_sys_write+0x6e/0xb0 [ 384.863122] do_syscall_64+0xd0/0x4d0 [ 384.866910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.872123] RIP: 0033:0x4592c9 [ 384.875303] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 384.894193] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 384.903122] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 384.910405] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 384.917658] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 384.924999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 384.932251] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 384.975104] FAULT_INJECTION: forcing a failure. [ 384.975104] name failslab, interval 1, probability 0, space 0, times 0 [ 385.033837] CPU: 1 PID: 12504 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 385.041059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.050415] Call Trace: [ 385.053012] dump_stack+0x113/0x167 [ 385.056643] should_fail.cold.4+0x5/0x13 [ 385.060701] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 385.065806] ? lock_downgrade+0x7f0/0x7f0 [ 385.069952] ? ___might_sleep+0x16b/0x270 [ 385.074276] __should_failslab+0xba/0xf0 [ 385.078334] should_failslab+0x9/0x14 [ 385.082133] kmem_cache_alloc_node+0x270/0x730 [ 385.086719] ? find_held_lock+0x36/0x1d0 [ 385.090786] __alloc_skb+0xa7/0x570 [ 385.094416] ? skb_scrub_packet+0x3a0/0x3a0 [ 385.098742] _sctp_make_chunk+0x3f/0x260 [ 385.102809] sctp_make_datafrag_empty+0x159/0x260 [ 385.107653] ? sctp_make_ecne+0xf0/0xf0 [ 385.111625] ? process_measurement+0x805/0x14b0 [ 385.116299] sctp_datamsg_from_user+0x4d7/0xf30 [ 385.120977] ? mark_held_locks+0x130/0x130 [ 385.125222] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 385.127752] FAULT_INJECTION: forcing a failure. [ 385.127752] name failslab, interval 1, probability 0, space 0, times 0 [ 385.129811] ? find_held_lock+0x36/0x1d0 [ 385.129824] ? sctp_clear_owner_w+0xf0/0xf0 [ 385.129832] ? lock_sock_nested+0xc5/0x100 [ 385.129837] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.129843] ? __local_bh_enable_ip+0x160/0x260 [ 385.129849] ? lock_sock_nested+0x82/0x100 [ 385.141514] FAULT_INJECTION: forcing a failure. [ 385.141514] name failslab, interval 1, probability 0, space 0, times 0 [ 385.145086] ? trace_hardirqs_on+0x28/0x190 [ 385.145093] ? lock_sock_nested+0x82/0x100 [ 385.145101] ? __local_bh_enable_ip+0x160/0x260 [ 385.145112] sctp_sendmsg+0xb80/0x1710 [ 385.145122] ? sctp_id2assoc+0x250/0x250 [ 385.199321] ? ___might_sleep+0x16b/0x270 [ 385.203468] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.208401] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 385.213325] inet_sendmsg+0x108/0x440 [ 385.217118] ? security_socket_sendmsg+0x4a/0x90 [ 385.221862] ? ipip_gro_receive+0xf0/0xf0 [ 385.226001] sock_sendmsg+0xb5/0xf0 [ 385.229622] sock_write_iter+0x1e9/0x3d0 [ 385.233673] ? sock_sendmsg+0xf0/0xf0 [ 385.237480] __vfs_write+0x4a3/0x970 [ 385.241186] ? lock_downgrade+0x7f0/0x7f0 [ 385.245326] ? kernel_read+0x130/0x130 [ 385.249208] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.254138] ? apparmor_file_permission+0x15/0x20 [ 385.258980] ? rw_verify_area+0xb8/0x2b0 [ 385.263034] vfs_write+0x150/0x4e0 [ 385.266569] ksys_write+0xcd/0x1b0 [ 385.270360] ? __ia32_sys_read+0xa0/0xa0 [ 385.274414] ? do_syscall_64+0x21/0x4d0 [ 385.278400] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.283756] __x64_sys_write+0x6e/0xb0 [ 385.287633] do_syscall_64+0xd0/0x4d0 [ 385.291422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.296598] RIP: 0033:0x4592c9 [ 385.299777] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 385.318671] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 385.326369] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 385.333625] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 385.340888] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 385.348143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 385.355401] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 385.362681] CPU: 0 PID: 12506 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 385.369875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.379224] Call Trace: [ 385.381812] dump_stack+0x113/0x167 [ 385.385442] should_fail.cold.4+0x5/0x13 [ 385.389505] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 385.394603] ? lock_downgrade+0x7f0/0x7f0 [ 385.398752] ? ___might_sleep+0x16b/0x270 [ 385.402902] __should_failslab+0xba/0xf0 [ 385.406984] should_failslab+0x9/0x14 [ 385.410779] kmem_cache_alloc_trace+0x2d8/0x740 [ 385.411809] FAULT_INJECTION: forcing a failure. [ 385.411809] name failslab, interval 1, probability 0, space 0, times 0 [ 385.415451] sctp_datamsg_from_user+0x7f/0xf30 [ 385.415457] ? kmem_cache_alloc_trace+0x353/0x740 [ 385.415466] ? sctp_sched_init_sid+0xf1/0x170 [ 385.415479] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 385.415488] ? find_held_lock+0x36/0x1d0 [ 385.415498] ? sctp_clear_owner_w+0xf0/0xf0 [ 385.438438] FAULT_INJECTION: forcing a failure. [ 385.438438] name failslab, interval 1, probability 0, space 0, times 0 [ 385.440560] ? lock_sock_nested+0xc5/0x100 [ 385.440567] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.440573] ? __local_bh_enable_ip+0x160/0x260 [ 385.440578] ? lock_sock_nested+0x82/0x100 [ 385.440584] ? trace_hardirqs_on+0x28/0x190 [ 385.440588] ? lock_sock_nested+0x82/0x100 [ 385.440593] ? lock_sock_nested+0x82/0x100 [ 385.440599] ? __local_bh_enable_ip+0x160/0x260 [ 385.440610] sctp_sendmsg+0xb80/0x1710 [ 385.503673] ? sctp_id2assoc+0x250/0x250 [ 385.507730] ? ___might_sleep+0x16b/0x270 [ 385.511874] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.516803] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 385.521745] inet_sendmsg+0x108/0x440 [ 385.525623] ? security_socket_sendmsg+0x4a/0x90 [ 385.530396] ? ipip_gro_receive+0xf0/0xf0 [ 385.534534] sock_sendmsg+0xb5/0xf0 [ 385.538262] sock_write_iter+0x1e9/0x3d0 [ 385.542322] ? sock_sendmsg+0xf0/0xf0 [ 385.546124] __vfs_write+0x4a3/0x970 [ 385.549833] ? lock_downgrade+0x7f0/0x7f0 [ 385.553971] ? kernel_read+0x130/0x130 [ 385.557851] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.557863] ? apparmor_file_permission+0x15/0x20 [ 385.557873] ? rw_verify_area+0xb8/0x2b0 [ 385.557882] vfs_write+0x150/0x4e0 [ 385.557891] ksys_write+0xcd/0x1b0 [ 385.557898] ? __ia32_sys_read+0xa0/0xa0 [ 385.557907] ? do_syscall_64+0x21/0x4d0 [ 385.557915] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.557923] __x64_sys_write+0x6e/0xb0 [ 385.567766] do_syscall_64+0xd0/0x4d0 [ 385.567776] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.567781] RIP: 0033:0x4592c9 [ 385.567788] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 385.567791] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 385.567797] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 385.567800] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 385.567803] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 385.567806] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 385.567808] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 385.568500] FAULT_INJECTION: forcing a failure. [ 385.568500] name failslab, interval 1, probability 0, space 0, times 0 [ 385.590693] CPU: 1 PID: 12521 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 385.689661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.699182] Call Trace: [ 385.701772] dump_stack+0x113/0x167 [ 385.705432] should_fail.cold.4+0x5/0x13 [ 385.709489] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 385.714581] ? lock_downgrade+0x7f0/0x7f0 [ 385.718724] ? ___might_sleep+0x16b/0x270 [ 385.722866] __should_failslab+0xba/0xf0 [ 385.726921] should_failslab+0x9/0x14 [ 385.731504] kmem_cache_alloc_trace+0x2d8/0x740 [ 385.736168] sctp_datamsg_from_user+0x7f/0xf30 [ 385.741117] ? kmem_cache_alloc_trace+0x353/0x740 [ 385.745958] ? sctp_sched_init_sid+0xf1/0x170 [ 385.750452] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 385.755026] ? find_held_lock+0x36/0x1d0 [ 385.759082] ? sctp_clear_owner_w+0xf0/0xf0 [ 385.763391] ? lock_sock_nested+0xc5/0x100 [ 385.767615] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.772186] ? __local_bh_enable_ip+0x160/0x260 [ 385.776848] ? lock_sock_nested+0x82/0x100 [ 385.781073] ? trace_hardirqs_on+0x28/0x190 [ 385.785380] ? lock_sock_nested+0x82/0x100 [ 385.789630] ? lock_sock_nested+0x82/0x100 [ 385.793858] ? __local_bh_enable_ip+0x160/0x260 [ 385.798523] sctp_sendmsg+0xb80/0x1710 [ 385.802404] ? sctp_id2assoc+0x250/0x250 [ 385.806460] ? ___might_sleep+0x16b/0x270 [ 385.810599] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.815525] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 385.820446] inet_sendmsg+0x108/0x440 [ 385.824234] ? security_socket_sendmsg+0x4a/0x90 [ 385.828975] ? ipip_gro_receive+0xf0/0xf0 [ 385.833121] sock_sendmsg+0xb5/0xf0 [ 385.836739] sock_write_iter+0x1e9/0x3d0 [ 385.840791] ? sock_sendmsg+0xf0/0xf0 [ 385.844599] __vfs_write+0x4a3/0x970 [ 385.848301] ? lock_downgrade+0x7f0/0x7f0 [ 385.852441] ? kernel_read+0x130/0x130 [ 385.856321] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 385.861780] ? apparmor_file_permission+0x15/0x20 [ 385.866629] ? rw_verify_area+0xb8/0x2b0 [ 385.870683] vfs_write+0x150/0x4e0 [ 385.874213] ksys_write+0xcd/0x1b0 [ 385.877743] ? __ia32_sys_read+0xa0/0xa0 [ 385.881796] ? do_syscall_64+0x21/0x4d0 [ 385.885783] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.891138] __x64_sys_write+0x6e/0xb0 [ 385.895115] do_syscall_64+0xd0/0x4d0 [ 385.898909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.904084] RIP: 0033:0x4592c9 [ 385.907269] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 385.926160] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 385.933857] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 385.941118] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 385.948401] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 385.955743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 385.963008] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 385.970284] CPU: 0 PID: 12516 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 385.977485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.986831] Call Trace: [ 385.986844] dump_stack+0x113/0x167 [ 385.986856] should_fail.cold.4+0x5/0x13 [ 385.986863] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 385.986870] ? lock_downgrade+0x7f0/0x7f0 [ 385.986878] ? ___might_sleep+0x16b/0x270 [ 385.986889] __should_failslab+0xba/0xf0 [ 385.986897] should_failslab+0x9/0x14 [ 385.986902] kmem_cache_alloc_node+0x270/0x730 [ 385.986908] ? find_held_lock+0x36/0x1d0 [ 385.986921] __alloc_skb+0xa7/0x570 [ 385.986928] ? skb_scrub_packet+0x3a0/0x3a0 [ 385.997198] _sctp_make_chunk+0x3f/0x260 [ 385.997207] sctp_make_datafrag_empty+0x159/0x260 [ 385.997214] ? sctp_make_ecne+0xf0/0xf0 [ 385.997223] ? process_measurement+0x805/0x14b0 [ 385.997233] sctp_datamsg_from_user+0x4d7/0xf30 [ 385.997241] ? mark_held_locks+0x130/0x130 [ 385.997252] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 385.997260] ? find_held_lock+0x36/0x1d0 [ 385.997271] ? sctp_clear_owner_w+0xf0/0xf0 [ 385.997278] ? lock_sock_nested+0xc5/0x100 [ 385.997283] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.997289] ? __local_bh_enable_ip+0x160/0x260 2019/06/15 21:34:21 executed programs: 1380 [ 386.071509] FAULT_INJECTION: forcing a failure. [ 386.071509] name failslab, interval 1, probability 0, space 0, times 0 [ 386.074281] ? lock_sock_nested+0x82/0x100 [ 386.074289] ? trace_hardirqs_on+0x28/0x190 [ 386.074294] ? lock_sock_nested+0x82/0x100 [ 386.074305] ? lock_sock_nested+0x82/0x100 [ 386.074314] ? __local_bh_enable_ip+0x160/0x260 [ 386.074325] sctp_sendmsg+0xb80/0x1710 [ 386.074336] ? sctp_id2assoc+0x250/0x250 [ 386.120540] ? ___might_sleep+0x16b/0x270 [ 386.128575] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.128588] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 386.128597] inet_sendmsg+0x108/0x440 [ 386.128604] ? security_socket_sendmsg+0x4a/0x90 [ 386.128608] ? ipip_gro_receive+0xf0/0xf0 [ 386.128616] sock_sendmsg+0xb5/0xf0 [ 386.128622] sock_write_iter+0x1e9/0x3d0 [ 386.128629] ? sock_sendmsg+0xf0/0xf0 [ 386.128645] __vfs_write+0x4a3/0x970 [ 386.128651] ? lock_downgrade+0x7f0/0x7f0 [ 386.128657] ? kernel_read+0x130/0x130 [ 386.178418] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.183352] ? apparmor_file_permission+0x15/0x20 [ 386.188192] ? rw_verify_area+0xb8/0x2b0 [ 386.192248] vfs_write+0x150/0x4e0 [ 386.195788] ksys_write+0xcd/0x1b0 [ 386.199330] ? __ia32_sys_read+0xa0/0xa0 [ 386.203391] ? do_syscall_64+0x21/0x4d0 [ 386.207358] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.212717] __x64_sys_write+0x6e/0xb0 [ 386.216599] do_syscall_64+0xd0/0x4d0 [ 386.220395] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.225573] RIP: 0033:0x4592c9 [ 386.228759] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 386.247652] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 386.255352] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 386.262613] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 386.269879] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 386.277138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 386.284405] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 386.291692] CPU: 1 PID: 12522 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 386.299894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.309426] Call Trace: [ 386.312015] dump_stack+0x113/0x167 [ 386.315647] should_fail.cold.4+0x5/0x13 [ 386.319708] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 386.324812] ? lock_downgrade+0x7f0/0x7f0 [ 386.328959] ? ___might_sleep+0x16b/0x270 [ 386.333109] __should_failslab+0xba/0xf0 [ 386.337197] should_failslab+0x9/0x14 [ 386.340988] kmem_cache_alloc_node+0x270/0x730 [ 386.345556] ? find_held_lock+0x36/0x1d0 [ 386.349610] __alloc_skb+0xa7/0x570 [ 386.353233] ? skb_scrub_packet+0x3a0/0x3a0 [ 386.357560] _sctp_make_chunk+0x3f/0x260 [ 386.361612] sctp_make_datafrag_empty+0x159/0x260 [ 386.366446] ? sctp_make_ecne+0xf0/0xf0 [ 386.370415] ? process_measurement+0x805/0x14b0 [ 386.375074] sctp_datamsg_from_user+0x4d7/0xf30 [ 386.379734] ? mark_held_locks+0x130/0x130 [ 386.383962] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 386.388533] ? find_held_lock+0x36/0x1d0 [ 386.392589] ? sctp_clear_owner_w+0xf0/0xf0 [ 386.396904] ? lock_sock_nested+0xc5/0x100 [ 386.401148] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.405726] ? __local_bh_enable_ip+0x160/0x260 [ 386.410387] ? lock_sock_nested+0x82/0x100 [ 386.414609] ? trace_hardirqs_on+0x28/0x190 [ 386.419015] ? lock_sock_nested+0x82/0x100 [ 386.423247] ? lock_sock_nested+0x82/0x100 [ 386.427481] ? __local_bh_enable_ip+0x160/0x260 [ 386.432143] sctp_sendmsg+0xb80/0x1710 [ 386.436023] ? sctp_id2assoc+0x250/0x250 [ 386.440077] ? ___might_sleep+0x16b/0x270 [ 386.444221] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.449151] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 386.454072] inet_sendmsg+0x108/0x440 [ 386.457860] ? security_socket_sendmsg+0x4a/0x90 [ 386.462605] ? ipip_gro_receive+0xf0/0xf0 [ 386.466745] sock_sendmsg+0xb5/0xf0 [ 386.470365] sock_write_iter+0x1e9/0x3d0 [ 386.474418] ? sock_sendmsg+0xf0/0xf0 [ 386.478229] __vfs_write+0x4a3/0x970 [ 386.481930] ? lock_downgrade+0x7f0/0x7f0 [ 386.486064] ? kernel_read+0x130/0x130 [ 386.489944] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.494865] ? apparmor_file_permission+0x15/0x20 [ 386.499700] ? rw_verify_area+0xb8/0x2b0 [ 386.503778] vfs_write+0x150/0x4e0 [ 386.507401] ksys_write+0xcd/0x1b0 [ 386.510935] ? __ia32_sys_read+0xa0/0xa0 [ 386.514984] ? do_syscall_64+0x21/0x4d0 [ 386.519050] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.524410] __x64_sys_write+0x6e/0xb0 [ 386.528292] do_syscall_64+0xd0/0x4d0 [ 386.532082] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.537261] RIP: 0033:0x4592c9 [ 386.540445] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 386.559333] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 386.567029] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 386.574288] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 386.581549] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 386.588809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 386.596065] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 386.603351] CPU: 0 PID: 12526 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 386.610543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.619881] Call Trace: [ 386.619895] dump_stack+0x113/0x167 [ 386.619907] should_fail.cold.4+0x5/0x13 [ 386.619915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 386.619921] ? lock_downgrade+0x7f0/0x7f0 [ 386.619930] ? ___might_sleep+0x16b/0x270 [ 386.619940] __should_failslab+0xba/0xf0 [ 386.647568] should_failslab+0x9/0x14 [ 386.647575] kmem_cache_alloc_node+0x270/0x730 [ 386.647582] ? find_held_lock+0x36/0x1d0 [ 386.647595] __alloc_skb+0xa7/0x570 [ 386.647602] ? skb_scrub_packet+0x3a0/0x3a0 [ 386.647617] _sctp_make_chunk+0x3f/0x260 [ 386.647625] sctp_make_datafrag_empty+0x159/0x260 [ 386.647632] ? sctp_make_ecne+0xf0/0xf0 [ 386.647642] ? process_measurement+0x805/0x14b0 [ 386.647652] sctp_datamsg_from_user+0x4d7/0xf30 [ 386.647661] ? mark_held_locks+0x130/0x130 [ 386.647672] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 386.647680] ? find_held_lock+0x36/0x1d0 [ 386.647691] ? sctp_clear_owner_w+0xf0/0xf0 [ 386.647698] ? lock_sock_nested+0xc5/0x100 [ 386.660098] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.716057] ? __local_bh_enable_ip+0x160/0x260 [ 386.720716] ? lock_sock_nested+0x82/0x100 [ 386.724951] ? trace_hardirqs_on+0x28/0x190 [ 386.729749] ? lock_sock_nested+0x82/0x100 [ 386.733977] ? lock_sock_nested+0x82/0x100 [ 386.738206] ? __local_bh_enable_ip+0x160/0x260 [ 386.738219] sctp_sendmsg+0xb80/0x1710 [ 386.738229] ? sctp_id2assoc+0x250/0x250 [ 386.738237] ? ___might_sleep+0x16b/0x270 [ 386.738248] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.738261] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 386.738270] inet_sendmsg+0x108/0x440 [ 386.770705] ? security_socket_sendmsg+0x4a/0x90 [ 386.775456] ? ipip_gro_receive+0xf0/0xf0 [ 386.779599] sock_sendmsg+0xb5/0xf0 [ 386.783218] sock_write_iter+0x1e9/0x3d0 [ 386.787277] ? sock_sendmsg+0xf0/0xf0 [ 386.791087] __vfs_write+0x4a3/0x970 [ 386.794790] ? lock_downgrade+0x7f0/0x7f0 [ 386.798929] ? kernel_read+0x130/0x130 [ 386.802820] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 386.807756] ? apparmor_file_permission+0x15/0x20 [ 386.812595] ? rw_verify_area+0xb8/0x2b0 [ 386.816651] vfs_write+0x150/0x4e0 [ 386.820185] ksys_write+0xcd/0x1b0 [ 386.823724] ? __ia32_sys_read+0xa0/0xa0 [ 386.827777] ? do_syscall_64+0x21/0x4d0 [ 386.831744] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.837099] __x64_sys_write+0x6e/0xb0 [ 386.840983] do_syscall_64+0xd0/0x4d0 [ 386.844778] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.849953] RIP: 0033:0x4592c9 [ 386.853138] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 386.872858] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 386.880565] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 386.887829] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 386.895094] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 386.902356] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 386.909615] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 386.916892] CPU: 1 PID: 12520 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 386.924088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.933442] Call Trace: [ 386.936032] dump_stack+0x113/0x167 [ 386.939666] should_fail.cold.4+0x5/0x13 [ 386.943728] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 386.948831] ? lock_downgrade+0x7f0/0x7f0 [ 386.952978] ? ___might_sleep+0x16b/0x270 [ 386.957127] __should_failslab+0xba/0xf0 [ 386.961187] should_failslab+0x9/0x14 [ 386.964985] kmem_cache_alloc_trace+0x2d8/0x740 [ 386.969658] sctp_datamsg_from_user+0x7f/0xf30 [ 386.974236] ? kmem_cache_alloc_trace+0x353/0x740 [ 386.979093] ? sctp_sched_init_sid+0xf1/0x170 [ 386.980291] FAULT_INJECTION: forcing a failure. [ 386.980291] name failslab, interval 1, probability 0, space 0, times 0 [ 386.983588] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 386.983598] ? find_held_lock+0x36/0x1d0 [ 386.983608] ? sctp_clear_owner_w+0xf0/0xf0 [ 386.983616] ? lock_sock_nested+0xc5/0x100 [ 386.983621] ? lockdep_hardirqs_on+0x421/0x5c0 [ 387.016483] ? __local_bh_enable_ip+0x160/0x260 [ 387.021142] ? lock_sock_nested+0x82/0x100 [ 387.025364] ? trace_hardirqs_on+0x28/0x190 [ 387.029671] ? lock_sock_nested+0x82/0x100 [ 387.033893] ? __local_bh_enable_ip+0x160/0x260 [ 387.038559] sctp_sendmsg+0xb80/0x1710 [ 387.042441] ? sctp_id2assoc+0x250/0x250 [ 387.046494] ? ___might_sleep+0x16b/0x270 [ 387.050637] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.055565] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 387.060497] inet_sendmsg+0x108/0x440 [ 387.064288] ? security_socket_sendmsg+0x4a/0x90 [ 387.069038] ? ipip_gro_receive+0xf0/0xf0 [ 387.073192] sock_sendmsg+0xb5/0xf0 [ 387.076812] sock_write_iter+0x1e9/0x3d0 [ 387.080863] ? sock_sendmsg+0xf0/0xf0 [ 387.084663] __vfs_write+0x4a3/0x970 [ 387.088366] ? lock_downgrade+0x7f0/0x7f0 [ 387.092526] ? kernel_read+0x130/0x130 [ 387.096409] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.101335] ? apparmor_file_permission+0x15/0x20 [ 387.106175] ? rw_verify_area+0xb8/0x2b0 [ 387.110235] vfs_write+0x150/0x4e0 [ 387.113767] ksys_write+0xcd/0x1b0 [ 387.117298] ? __ia32_sys_read+0xa0/0xa0 [ 387.121357] ? do_syscall_64+0x21/0x4d0 [ 387.125324] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.130678] __x64_sys_write+0x6e/0xb0 [ 387.134562] do_syscall_64+0xd0/0x4d0 [ 387.138357] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.143537] RIP: 0033:0x4592c9 [ 387.146719] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 387.165614] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 387.173315] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 387.180571] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 387.187915] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 387.195171] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 387.202425] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 387.209701] CPU: 0 PID: 12543 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 387.216898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.226245] Call Trace: [ 387.228833] dump_stack+0x113/0x167 [ 387.232453] should_fail.cold.4+0x5/0x13 [ 387.236506] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 387.241596] ? lock_downgrade+0x7f0/0x7f0 [ 387.241605] ? ___might_sleep+0x16b/0x270 [ 387.241615] __should_failslab+0xba/0xf0 [ 387.241623] should_failslab+0x9/0x14 [ 387.241628] kmem_cache_alloc_node+0x270/0x730 [ 387.241634] ? find_held_lock+0x36/0x1d0 [ 387.241647] __alloc_skb+0xa7/0x570 [ 387.270041] ? skb_scrub_packet+0x3a0/0x3a0 [ 387.274369] _sctp_make_chunk+0x3f/0x260 [ 387.278430] sctp_make_datafrag_empty+0x159/0x260 [ 387.283275] ? sctp_make_ecne+0xf0/0xf0 [ 387.287254] ? process_measurement+0x805/0x14b0 [ 387.287264] sctp_datamsg_from_user+0x4d7/0xf30 [ 387.287274] ? mark_held_locks+0x130/0x130 [ 387.287285] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 387.287293] ? find_held_lock+0x36/0x1d0 [ 387.287310] ? sctp_clear_owner_w+0xf0/0xf0 [ 387.287317] ? lock_sock_nested+0xc5/0x100 [ 387.287322] ? lockdep_hardirqs_on+0x421/0x5c0 [ 387.287329] ? __local_bh_enable_ip+0x160/0x260 [ 387.287333] ? lock_sock_nested+0x82/0x100 [ 387.287339] ? trace_hardirqs_on+0x28/0x190 [ 387.287343] ? lock_sock_nested+0x82/0x100 [ 387.287348] ? lock_sock_nested+0x82/0x100 [ 387.296663] ? __local_bh_enable_ip+0x160/0x260 [ 387.296673] sctp_sendmsg+0xb80/0x1710 [ 387.296685] ? sctp_id2assoc+0x250/0x250 [ 387.296693] ? ___might_sleep+0x16b/0x270 [ 387.296704] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.296716] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 387.303497] FAULT_INJECTION: forcing a failure. [ 387.303497] name failslab, interval 1, probability 0, space 0, times 0 [ 387.305506] inet_sendmsg+0x108/0x440 [ 387.305514] ? security_socket_sendmsg+0x4a/0x90 [ 387.305520] ? ipip_gro_receive+0xf0/0xf0 [ 387.305528] sock_sendmsg+0xb5/0xf0 [ 387.305535] sock_write_iter+0x1e9/0x3d0 [ 387.344337] ? sock_sendmsg+0xf0/0xf0 [ 387.356921] __vfs_write+0x4a3/0x970 [ 387.356930] ? lock_downgrade+0x7f0/0x7f0 [ 387.356936] ? kernel_read+0x130/0x130 [ 387.356946] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.356958] ? apparmor_file_permission+0x15/0x20 [ 387.356966] ? rw_verify_area+0xb8/0x2b0 [ 387.356974] vfs_write+0x150/0x4e0 [ 387.356982] ksys_write+0xcd/0x1b0 [ 387.356989] ? __ia32_sys_read+0xa0/0xa0 [ 387.356997] ? do_syscall_64+0x21/0x4d0 [ 387.357006] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.357015] __x64_sys_write+0x6e/0xb0 [ 387.422879] do_syscall_64+0xd0/0x4d0 [ 387.446891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.446897] RIP: 0033:0x4592c9 [ 387.446903] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 387.446907] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 387.446913] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 387.446916] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 387.446919] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 387.446922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 387.446925] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 387.469737] CPU: 0 PID: 12540 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 387.538637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.547989] Call Trace: [ 387.550573] dump_stack+0x113/0x167 [ 387.554200] should_fail.cold.4+0x5/0x13 [ 387.558262] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 387.563363] ? lock_downgrade+0x7f0/0x7f0 [ 387.563963] FAULT_INJECTION: forcing a failure. [ 387.563963] name failslab, interval 1, probability 0, space 0, times 0 [ 387.567521] ? ___might_sleep+0x16b/0x270 [ 387.567532] __should_failslab+0xba/0xf0 [ 387.567540] should_failslab+0x9/0x14 [ 387.567546] kmem_cache_alloc_trace+0x2d8/0x740 [ 387.567562] sctp_datamsg_from_user+0x7f/0xf30 [ 387.567566] ? kmem_cache_alloc_trace+0x353/0x740 [ 387.567574] ? sctp_sched_init_sid+0xf1/0x170 [ 387.567587] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 387.567595] ? find_held_lock+0x36/0x1d0 [ 387.567606] ? sctp_clear_owner_w+0xf0/0xf0 [ 387.567613] ? lock_sock_nested+0xc5/0x100 [ 387.567618] ? lockdep_hardirqs_on+0x421/0x5c0 [ 387.567624] ? __local_bh_enable_ip+0x160/0x260 [ 387.567628] ? lock_sock_nested+0x82/0x100 [ 387.567634] ? trace_hardirqs_on+0x28/0x190 [ 387.567639] ? lock_sock_nested+0x82/0x100 [ 387.567644] ? lock_sock_nested+0x82/0x100 [ 387.567650] ? __local_bh_enable_ip+0x160/0x260 [ 387.567659] sctp_sendmsg+0xb80/0x1710 [ 387.585675] FAULT_INJECTION: forcing a failure. [ 387.585675] name failslab, interval 1, probability 0, space 0, times 0 [ 387.587019] ? sctp_id2assoc+0x250/0x250 [ 387.587027] ? ___might_sleep+0x16b/0x270 [ 387.587039] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.587053] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 387.587063] inet_sendmsg+0x108/0x440 [ 387.587069] ? security_socket_sendmsg+0x4a/0x90 [ 387.587075] ? ipip_gro_receive+0xf0/0xf0 [ 387.587082] sock_sendmsg+0xb5/0xf0 [ 387.587092] sock_write_iter+0x1e9/0x3d0 [ 387.609437] ? sock_sendmsg+0xf0/0xf0 [ 387.609456] __vfs_write+0x4a3/0x970 [ 387.609463] ? lock_downgrade+0x7f0/0x7f0 [ 387.609469] ? kernel_read+0x130/0x130 [ 387.609477] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 387.609490] ? apparmor_file_permission+0x15/0x20 [ 387.609498] ? rw_verify_area+0xb8/0x2b0 [ 387.609507] vfs_write+0x150/0x4e0 [ 387.609515] ksys_write+0xcd/0x1b0 [ 387.609521] ? __ia32_sys_read+0xa0/0xa0 [ 387.609530] ? do_syscall_64+0x21/0x4d0 [ 387.609540] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.623318] FAULT_INJECTION: forcing a failure. [ 387.623318] name failslab, interval 1, probability 0, space 0, times 0 [ 387.626723] __x64_sys_write+0x6e/0xb0 [ 387.626732] do_syscall_64+0xd0/0x4d0 [ 387.626742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.626747] RIP: 0033:0x4592c9 [ 387.626753] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 387.626757] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 387.626763] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 387.626766] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 387.626769] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 387.626772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 387.626776] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 387.686511] FAULT_INJECTION: forcing a failure. [ 387.686511] name failslab, interval 1, probability 0, space 0, times 0 [ 387.707424] CPU: 1 PID: 12558 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 387.707429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.741799] FAULT_INJECTION: forcing a failure. [ 387.741799] name failslab, interval 1, probability 0, space 0, times 0 [ 387.745270] Call Trace: [ 387.745283] dump_stack+0x113/0x167 [ 387.745295] should_fail.cold.4+0x5/0x13 [ 387.745304] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 387.906810] ? lock_downgrade+0x7f0/0x7f0 [ 387.910960] ? ___might_sleep+0x16b/0x270 [ 387.915104] __should_failslab+0xba/0xf0 [ 387.919157] should_failslab+0x9/0x14 [ 387.922950] kmem_cache_alloc_node+0x270/0x730 [ 387.927530] __alloc_skb+0xa7/0x570 [ 387.931145] ? skb_scrub_packet+0x3a0/0x3a0 [ 387.935464] _sctp_make_chunk+0x3f/0x260 [ 387.939519] sctp_make_datafrag_empty+0x159/0x260 [ 387.944354] ? sctp_make_ecne+0xf0/0xf0 [ 387.948324] sctp_datamsg_from_user+0x4d7/0xf30 [ 387.952984] ? mark_held_locks+0x130/0x130 [ 387.957225] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 387.961797] ? __lock_is_held+0xb5/0x140 [ 387.965855] ? find_held_lock+0x36/0x1d0 [ 387.969913] ? sctp_clear_owner_w+0xf0/0xf0 [ 387.974222] ? lock_sock_nested+0xc5/0x100 [ 387.978445] ? lockdep_hardirqs_on+0x421/0x5c0 [ 387.983014] ? __local_bh_enable_ip+0x160/0x260 [ 387.987673] ? lock_sock_nested+0x82/0x100 [ 387.991898] ? trace_hardirqs_on+0x28/0x190 [ 387.996210] ? lock_sock_nested+0x82/0x100 [ 388.000429] ? lock_sock_nested+0x82/0x100 [ 388.004654] ? __local_bh_enable_ip+0x160/0x260 [ 388.009318] sctp_sendmsg+0xb80/0x1710 [ 388.013202] ? sctp_id2assoc+0x250/0x250 [ 388.017258] ? ___might_sleep+0x16b/0x270 [ 388.021403] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.026325] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 388.031251] inet_sendmsg+0x108/0x440 [ 388.035039] ? security_socket_sendmsg+0x4a/0x90 [ 388.039788] ? ipip_gro_receive+0xf0/0xf0 [ 388.043937] sock_sendmsg+0xb5/0xf0 [ 388.047555] sock_write_iter+0x1e9/0x3d0 [ 388.051605] ? sock_sendmsg+0xf0/0xf0 [ 388.055404] __vfs_write+0x4a3/0x970 [ 388.059108] ? lock_downgrade+0x7f0/0x7f0 [ 388.063247] ? kernel_read+0x130/0x130 [ 388.067124] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.072048] ? apparmor_file_permission+0x15/0x20 [ 388.076879] ? rw_verify_area+0xb8/0x2b0 [ 388.080931] vfs_write+0x150/0x4e0 [ 388.084460] ksys_write+0xcd/0x1b0 [ 388.087991] ? __ia32_sys_read+0xa0/0xa0 [ 388.092042] ? do_syscall_64+0x21/0x4d0 [ 388.096011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.101457] __x64_sys_write+0x6e/0xb0 [ 388.105332] do_syscall_64+0xd0/0x4d0 [ 388.109126] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.114304] RIP: 0033:0x4592c9 [ 388.117485] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 388.136383] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 388.144078] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 388.151338] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 388.158594] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 388.165849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 388.173115] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 388.180583] CPU: 0 PID: 12566 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 388.187773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.197120] Call Trace: [ 388.199705] dump_stack+0x113/0x167 [ 388.203340] should_fail.cold.4+0x5/0x13 [ 388.207401] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 388.212499] ? lock_downgrade+0x7f0/0x7f0 [ 388.216646] ? ___might_sleep+0x16b/0x270 [ 388.220795] __should_failslab+0xba/0xf0 [ 388.224852] should_failslab+0x9/0x14 [ 388.228648] kmem_cache_alloc_node+0x270/0x730 [ 388.233226] ? find_held_lock+0x36/0x1d0 [ 388.237284] __alloc_skb+0xa7/0x570 [ 388.240910] ? skb_scrub_packet+0x3a0/0x3a0 [ 388.245237] _sctp_make_chunk+0x3f/0x260 [ 388.249295] sctp_make_datafrag_empty+0x159/0x260 [ 388.254138] ? sctp_make_ecne+0xf0/0xf0 [ 388.258103] ? process_measurement+0x805/0x14b0 [ 388.262775] sctp_datamsg_from_user+0x4d7/0xf30 [ 388.267450] ? mark_held_locks+0x130/0x130 [ 388.271681] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 388.276255] ? find_held_lock+0x36/0x1d0 [ 388.280318] ? sctp_clear_owner_w+0xf0/0xf0 [ 388.284629] ? lock_sock_nested+0xc5/0x100 [ 388.288854] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.293423] ? __local_bh_enable_ip+0x160/0x260 [ 388.298079] ? lock_sock_nested+0x82/0x100 [ 388.302393] ? trace_hardirqs_on+0x28/0x190 [ 388.306789] ? lock_sock_nested+0x82/0x100 [ 388.311016] ? __local_bh_enable_ip+0x160/0x260 [ 388.315680] sctp_sendmsg+0xb80/0x1710 [ 388.319566] ? sctp_id2assoc+0x250/0x250 [ 388.323622] ? ___might_sleep+0x16b/0x270 [ 388.327769] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.332698] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 388.337625] inet_sendmsg+0x108/0x440 [ 388.341419] ? security_socket_sendmsg+0x4a/0x90 [ 388.346167] ? ipip_gro_receive+0xf0/0xf0 [ 388.346176] sock_sendmsg+0xb5/0xf0 [ 388.346183] sock_write_iter+0x1e9/0x3d0 [ 388.346191] ? sock_sendmsg+0xf0/0xf0 [ 388.346207] __vfs_write+0x4a3/0x970 [ 388.365478] ? lock_downgrade+0x7f0/0x7f0 [ 388.369618] ? kernel_read+0x130/0x130 [ 388.369628] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.369640] ? apparmor_file_permission+0x15/0x20 [ 388.369648] ? rw_verify_area+0xb8/0x2b0 [ 388.387314] vfs_write+0x150/0x4e0 [ 388.390847] ksys_write+0xcd/0x1b0 [ 388.394383] ? __ia32_sys_read+0xa0/0xa0 [ 388.398439] ? do_syscall_64+0x21/0x4d0 [ 388.402406] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.407764] __x64_sys_write+0x6e/0xb0 [ 388.411642] do_syscall_64+0xd0/0x4d0 [ 388.415432] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.420659] RIP: 0033:0x4592c9 [ 388.423841] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 388.442746] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 388.450456] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 388.457721] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 388.464982] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 388.472238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 388.472242] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 388.473580] CPU: 0 PID: 12564 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 388.494053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.503397] Call Trace: [ 388.505986] dump_stack+0x113/0x167 [ 388.509613] should_fail.cold.4+0x5/0x13 [ 388.513667] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 388.518758] ? lock_downgrade+0x7f0/0x7f0 [ 388.522904] ? ___might_sleep+0x16b/0x270 [ 388.527051] __should_failslab+0xba/0xf0 [ 388.531111] should_failslab+0x9/0x14 [ 388.534903] kmem_cache_alloc_node+0x270/0x730 [ 388.539488] ? find_held_lock+0x36/0x1d0 [ 388.543545] __alloc_skb+0xa7/0x570 [ 388.547174] ? skb_scrub_packet+0x3a0/0x3a0 [ 388.551496] _sctp_make_chunk+0x3f/0x260 [ 388.555553] sctp_make_datafrag_empty+0x159/0x260 [ 388.560392] ? sctp_make_ecne+0xf0/0xf0 [ 388.564362] ? process_measurement+0x805/0x14b0 [ 388.569026] sctp_datamsg_from_user+0x4d7/0xf30 [ 388.573696] ? mark_held_locks+0x130/0x130 [ 388.577935] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 388.582512] ? find_held_lock+0x36/0x1d0 [ 388.586568] ? sctp_clear_owner_w+0xf0/0xf0 [ 388.590881] ? lock_sock_nested+0xc5/0x100 [ 388.595128] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.599701] ? __local_bh_enable_ip+0x160/0x260 [ 388.604379] ? lock_sock_nested+0x82/0x100 [ 388.608601] ? trace_hardirqs_on+0x28/0x190 [ 388.612921] ? lock_sock_nested+0x82/0x100 [ 388.617150] ? __local_bh_enable_ip+0x160/0x260 [ 388.621813] sctp_sendmsg+0xb80/0x1710 [ 388.625699] ? sctp_id2assoc+0x250/0x250 [ 388.629752] ? ___might_sleep+0x16b/0x270 [ 388.633990] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.638923] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 388.643856] inet_sendmsg+0x108/0x440 [ 388.647650] ? security_socket_sendmsg+0x4a/0x90 [ 388.652400] ? ipip_gro_receive+0xf0/0xf0 [ 388.656544] sock_sendmsg+0xb5/0xf0 [ 388.660167] sock_write_iter+0x1e9/0x3d0 [ 388.664232] ? sock_sendmsg+0xf0/0xf0 [ 388.668042] __vfs_write+0x4a3/0x970 [ 388.671747] ? lock_downgrade+0x7f0/0x7f0 [ 388.675896] ? kernel_read+0x130/0x130 [ 388.679862] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.684792] ? apparmor_file_permission+0x15/0x20 [ 388.689641] ? rw_verify_area+0xb8/0x2b0 [ 388.693703] vfs_write+0x150/0x4e0 [ 388.697239] ksys_write+0xcd/0x1b0 [ 388.700774] ? __ia32_sys_read+0xa0/0xa0 [ 388.704915] ? do_syscall_64+0x21/0x4d0 [ 388.708885] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.714245] __x64_sys_write+0x6e/0xb0 [ 388.718135] do_syscall_64+0xd0/0x4d0 [ 388.721969] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.727151] RIP: 0033:0x4592c9 [ 388.730787] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 388.756750] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 388.765842] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 388.773101] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 388.780359] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 388.787620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 388.794879] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 388.802161] CPU: 1 PID: 12561 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 388.809362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.818712] Call Trace: [ 388.821304] dump_stack+0x113/0x167 [ 388.824936] should_fail.cold.4+0x5/0x13 [ 388.828995] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 388.834096] ? lock_downgrade+0x7f0/0x7f0 [ 388.838240] ? ___might_sleep+0x16b/0x270 [ 388.842385] __should_failslab+0xba/0xf0 [ 388.846437] should_failslab+0x9/0x14 [ 388.850223] kmem_cache_alloc_node+0x270/0x730 [ 388.854794] ? find_held_lock+0x36/0x1d0 [ 388.858854] __alloc_skb+0xa7/0x570 [ 388.863996] ? skb_scrub_packet+0x3a0/0x3a0 [ 388.868315] _sctp_make_chunk+0x3f/0x260 [ 388.872373] sctp_make_datafrag_empty+0x159/0x260 [ 388.877482] ? sctp_make_ecne+0xf0/0xf0 [ 388.885793] ? process_measurement+0x805/0x14b0 [ 388.890467] sctp_datamsg_from_user+0x4d7/0xf30 [ 388.895133] ? mark_held_locks+0x130/0x130 [ 388.899363] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 388.903938] ? find_held_lock+0x36/0x1d0 [ 388.907991] ? sctp_clear_owner_w+0xf0/0xf0 [ 388.912310] ? lock_sock_nested+0xc5/0x100 [ 388.916532] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.921107] ? __local_bh_enable_ip+0x160/0x260 [ 388.925765] ? lock_sock_nested+0x82/0x100 [ 388.929989] ? trace_hardirqs_on+0x28/0x190 [ 388.934314] ? lock_sock_nested+0x82/0x100 [ 388.938538] ? lock_sock_nested+0x82/0x100 [ 388.942764] ? __local_bh_enable_ip+0x160/0x260 [ 388.947431] sctp_sendmsg+0xb80/0x1710 [ 388.951309] ? sctp_id2assoc+0x250/0x250 [ 388.955362] ? ___might_sleep+0x16b/0x270 [ 388.959502] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 388.964429] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 388.969353] inet_sendmsg+0x108/0x440 [ 388.973145] ? security_socket_sendmsg+0x4a/0x90 [ 388.977890] ? ipip_gro_receive+0xf0/0xf0 [ 388.982030] sock_sendmsg+0xb5/0xf0 [ 388.985646] sock_write_iter+0x1e9/0x3d0 [ 388.989698] ? sock_sendmsg+0xf0/0xf0 [ 388.993501] __vfs_write+0x4a3/0x970 [ 388.997205] ? lock_downgrade+0x7f0/0x7f0 [ 389.001340] ? kernel_read+0x130/0x130 [ 389.005216] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.010138] ? apparmor_file_permission+0x15/0x20 [ 389.014977] ? rw_verify_area+0xb8/0x2b0 [ 389.019037] vfs_write+0x150/0x4e0 [ 389.022568] ksys_write+0xcd/0x1b0 [ 389.026097] ? __ia32_sys_read+0xa0/0xa0 [ 389.030148] ? do_syscall_64+0x21/0x4d0 [ 389.034111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.039468] __x64_sys_write+0x6e/0xb0 [ 389.043350] do_syscall_64+0xd0/0x4d0 [ 389.047145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.052409] RIP: 0033:0x4592c9 [ 389.055590] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 389.074486] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 389.082219] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 389.089566] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 389.096827] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 389.104089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 389.111442] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 389.118821] CPU: 0 PID: 12560 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 389.126016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.135368] Call Trace: [ 389.137952] dump_stack+0x113/0x167 [ 389.137965] should_fail.cold.4+0x5/0x13 [ 389.137973] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 389.137979] ? lock_downgrade+0x7f0/0x7f0 [ 389.137988] ? ___might_sleep+0x16b/0x270 [ 389.137998] __should_failslab+0xba/0xf0 [ 389.138005] should_failslab+0x9/0x14 [ 389.138010] kmem_cache_alloc_trace+0x2d8/0x740 [ 389.171556] sctp_datamsg_from_user+0x7f/0xf30 [ 389.176149] ? kmem_cache_alloc_trace+0x353/0x740 [ 389.180994] ? sctp_sched_init_sid+0xf1/0x170 [ 389.185485] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 389.190054] ? __lock_is_held+0xb5/0x140 [ 389.190061] ? find_held_lock+0x36/0x1d0 [ 389.190071] ? sctp_clear_owner_w+0xf0/0xf0 [ 389.190079] ? lock_sock_nested+0xc5/0x100 [ 389.190085] ? lockdep_hardirqs_on+0x421/0x5c0 [ 389.190091] ? __local_bh_enable_ip+0x160/0x260 [ 389.190095] ? lock_sock_nested+0x82/0x100 [ 389.190100] ? trace_hardirqs_on+0x28/0x190 [ 389.190104] ? lock_sock_nested+0x82/0x100 [ 389.190108] ? lock_sock_nested+0x82/0x100 [ 389.190114] ? __local_bh_enable_ip+0x160/0x260 [ 389.190124] sctp_sendmsg+0xb80/0x1710 [ 389.190136] ? sctp_id2assoc+0x250/0x250 [ 389.190143] ? ___might_sleep+0x16b/0x270 [ 389.190153] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.190165] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 389.190175] inet_sendmsg+0x108/0x440 [ 389.263306] ? security_socket_sendmsg+0x4a/0x90 [ 389.266714] FAULT_INJECTION: forcing a failure. [ 389.266714] name failslab, interval 1, probability 0, space 0, times 0 [ 389.268079] ? ipip_gro_receive+0xf0/0xf0 [ 389.268088] sock_sendmsg+0xb5/0xf0 [ 389.268096] sock_write_iter+0x1e9/0x3d0 [ 389.268103] ? sock_sendmsg+0xf0/0xf0 [ 389.268120] __vfs_write+0x4a3/0x970 [ 389.268128] ? lock_downgrade+0x7f0/0x7f0 [ 389.268134] ? kernel_read+0x130/0x130 [ 389.268143] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.268155] ? apparmor_file_permission+0x15/0x20 [ 389.268163] ? rw_verify_area+0xb8/0x2b0 [ 389.268171] vfs_write+0x150/0x4e0 [ 389.268179] ksys_write+0xcd/0x1b0 [ 389.268186] ? __ia32_sys_read+0xa0/0xa0 [ 389.268195] ? do_syscall_64+0x21/0x4d0 [ 389.268203] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.268212] __x64_sys_write+0x6e/0xb0 [ 389.268218] do_syscall_64+0xd0/0x4d0 [ 389.335498] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.353699] RIP: 0033:0x4592c9 [ 389.356878] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 389.375771] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 389.375778] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 389.375782] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 389.375785] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 389.375788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 389.375791] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 389.386794] CPU: 0 PID: 12578 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 389.420187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.420191] Call Trace: [ 389.420204] dump_stack+0x113/0x167 [ 389.420217] should_fail.cold.4+0x5/0x13 [ 389.420226] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 389.420233] ? lock_downgrade+0x7f0/0x7f0 [ 389.420242] ? ___might_sleep+0x16b/0x270 [ 389.420253] __should_failslab+0xba/0xf0 [ 389.420261] should_failslab+0x9/0x14 [ 389.420265] kmem_cache_alloc_node+0x270/0x730 [ 389.420271] ? find_held_lock+0x36/0x1d0 [ 389.441833] FAULT_INJECTION: forcing a failure. [ 389.441833] name fail_futex, interval 1, probability 0, space 0, times 0 [ 389.443023] __alloc_skb+0xa7/0x570 [ 389.443032] ? skb_scrub_packet+0x3a0/0x3a0 [ 389.443048] _sctp_make_chunk+0x3f/0x260 [ 389.443057] sctp_make_datafrag_empty+0x159/0x260 [ 389.443064] ? sctp_make_ecne+0xf0/0xf0 [ 389.443074] ? process_measurement+0x805/0x14b0 [ 389.443083] sctp_datamsg_from_user+0x4d7/0xf30 [ 389.456358] ? mark_held_locks+0x130/0x130 [ 389.456373] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 389.456382] ? find_held_lock+0x36/0x1d0 [ 389.456393] ? sctp_clear_owner_w+0xf0/0xf0 [ 389.456400] ? lock_sock_nested+0xc5/0x100 [ 389.456406] ? lockdep_hardirqs_on+0x421/0x5c0 [ 389.456413] ? __local_bh_enable_ip+0x160/0x260 [ 389.456418] ? lock_sock_nested+0x82/0x100 [ 389.494296] FAULT_INJECTION: forcing a failure. [ 389.494296] name fail_futex, interval 1, probability 0, space 0, times 0 [ 389.496364] ? trace_hardirqs_on+0x28/0x190 [ 389.496371] ? lock_sock_nested+0x82/0x100 [ 389.496376] ? lock_sock_nested+0x82/0x100 [ 389.496385] ? __local_bh_enable_ip+0x160/0x260 [ 389.496398] sctp_sendmsg+0xb80/0x1710 [ 389.496409] ? sctp_id2assoc+0x250/0x250 [ 389.496417] ? ___might_sleep+0x16b/0x270 [ 389.496427] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.527400] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 389.527411] inet_sendmsg+0x108/0x440 [ 389.527417] ? security_socket_sendmsg+0x4a/0x90 [ 389.527423] ? ipip_gro_receive+0xf0/0xf0 [ 389.527431] sock_sendmsg+0xb5/0xf0 [ 389.527438] sock_write_iter+0x1e9/0x3d0 [ 389.527445] ? sock_sendmsg+0xf0/0xf0 [ 389.527462] __vfs_write+0x4a3/0x970 [ 389.527470] ? lock_downgrade+0x7f0/0x7f0 [ 389.527476] ? kernel_read+0x130/0x130 [ 389.527484] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 389.527494] ? apparmor_file_permission+0x15/0x20 [ 389.535945] ? rw_verify_area+0xb8/0x2b0 [ 389.645707] FAULT_INJECTION: forcing a failure. [ 389.645707] name failslab, interval 1, probability 0, space 0, times 0 [ 389.650339] vfs_write+0x150/0x4e0 [ 389.650348] ksys_write+0xcd/0x1b0 [ 389.650356] ? __ia32_sys_read+0xa0/0xa0 [ 389.650364] ? do_syscall_64+0x21/0x4d0 [ 389.650373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.650381] __x64_sys_write+0x6e/0xb0 [ 389.650388] do_syscall_64+0xd0/0x4d0 [ 389.650395] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.650401] RIP: 0033:0x4592c9 [ 389.650407] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 389.650410] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 389.650417] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 389.650420] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 389.650424] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 389.650427] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 389.650430] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 389.691945] FAULT_INJECTION: forcing a failure. [ 389.691945] name failslab, interval 1, probability 0, space 0, times 0 [ 389.701433] CPU: 1 PID: 12588 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 389.784937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.794283] Call Trace: [ 389.796868] dump_stack+0x113/0x167 [ 389.800493] should_fail.cold.4+0x5/0x13 [ 389.804543] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 389.809643] ? _raw_spin_unlock+0x2c/0x50 [ 389.814137] ? free_one_page+0x985/0xf30 [ 389.818195] get_futex_key+0x19e/0x1030 [ 389.822165] ? trace_hardirqs_on+0x28/0x190 [ 389.826481] ? futex_lock_pi_atomic+0x200/0x200 [ 389.827757] FAULT_INJECTION: forcing a failure. [ 389.827757] name failslab, interval 1, probability 0, space 0, times 0 [ 389.831145] ? __free_pages+0x7f/0xb0 [ 389.846108] ? check_noncircular+0x20/0x20 [ 389.850332] ? finish_task_switch+0x486/0x6d0 [ 389.854822] futex_wake+0xcb/0x590 [ 389.858354] ? get_futex_key+0x1030/0x1030 [ 389.863078] ? __lock_acquire+0x5d6/0x4760 [ 389.867304] do_futex+0x59a/0x1800 [ 389.870833] ? __lock_acquire+0x5d6/0x4760 [ 389.875062] ? mark_held_locks+0x130/0x130 [ 389.879289] ? exit_robust_list+0x1b0/0x1b0 [ 389.883598] ? mark_held_locks+0x130/0x130 [ 389.887833] ? find_held_lock+0x36/0x1d0 [ 389.891885] ? find_held_lock+0x36/0x1d0 [ 389.895939] ? __might_fault+0xf1/0x1b0 [ 389.899906] ? lock_downgrade+0x7f0/0x7f0 [ 389.904229] mm_release+0x2da/0x410 [ 389.907851] do_exit+0x388/0x2ba0 [ 389.911292] ? inet_sendmsg+0x108/0x440 [ 389.915258] ? security_socket_sendmsg+0x4a/0x90 [ 389.920032] ? mm_update_next_owner+0x680/0x680 [ 389.924693] ? find_held_lock+0x36/0x1d0 [ 389.928751] ? get_signal+0x584/0x11d0 [ 389.932629] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.937113] ? get_signal+0x584/0x11d0 [ 389.940993] do_group_exit+0xf4/0x2f0 [ 389.944784] get_signal+0x532/0x11d0 [ 389.948519] do_signal+0x87/0x1930 [ 389.952059] ? rw_verify_area+0xb8/0x2b0 [ 389.956126] ? setup_sigcontext+0x7d0/0x7d0 [ 389.960458] ? kasan_check_write+0x14/0x20 [ 389.964683] ? fput+0x18/0x120 [ 389.967862] ? ksys_write+0x157/0x1b0 [ 389.971656] ? lockdep_hardirqs_on+0x421/0x5c0 [ 389.976227] ? exit_to_usermode_loop+0x3a/0x200 [ 389.980883] ? trace_hardirqs_on+0x28/0x190 [ 389.985198] exit_to_usermode_loop+0x114/0x200 [ 389.989775] do_syscall_64+0x407/0x4d0 [ 389.993700] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.998876] RIP: 0033:0x4592c9 [ 390.002055] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 390.020948] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.028643] RAX: ffffffffffffffe0 RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 390.035902] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 390.043159] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 390.050439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 390.057697] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 390.064973] CPU: 0 PID: 12592 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 390.072165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.081514] Call Trace: [ 390.084112] dump_stack+0x113/0x167 [ 390.087743] should_fail.cold.4+0x5/0x13 [ 390.091799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 390.096893] ? lock_downgrade+0x7f0/0x7f0 [ 390.101038] ? ___might_sleep+0x16b/0x270 [ 390.105189] __should_failslab+0xba/0xf0 [ 390.109248] should_failslab+0x9/0x14 [ 390.113046] kmem_cache_alloc_node+0x270/0x730 [ 390.117621] ? find_held_lock+0x36/0x1d0 [ 390.121681] __alloc_skb+0xa7/0x570 [ 390.125308] ? skb_scrub_packet+0x3a0/0x3a0 [ 390.129638] _sctp_make_chunk+0x3f/0x260 [ 390.133717] sctp_make_datafrag_empty+0x159/0x260 [ 390.138560] ? sctp_make_ecne+0xf0/0xf0 [ 390.142531] ? process_measurement+0x805/0x14b0 [ 390.147201] sctp_datamsg_from_user+0x4d7/0xf30 [ 390.151876] ? mark_held_locks+0x130/0x130 [ 390.156111] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 390.160686] ? find_held_lock+0x36/0x1d0 [ 390.164743] ? sctp_clear_owner_w+0xf0/0xf0 [ 390.169058] ? lock_sock_nested+0xc5/0x100 [ 390.173286] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.177864] ? __local_bh_enable_ip+0x160/0x260 [ 390.182521] ? lock_sock_nested+0x82/0x100 [ 390.186746] ? trace_hardirqs_on+0x28/0x190 [ 390.191057] ? lock_sock_nested+0x82/0x100 [ 390.195283] ? lock_sock_nested+0x82/0x100 [ 390.199513] ? __local_bh_enable_ip+0x160/0x260 [ 390.204180] sctp_sendmsg+0xb80/0x1710 [ 390.208070] ? sctp_id2assoc+0x250/0x250 [ 390.212126] ? ___might_sleep+0x16b/0x270 [ 390.216268] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.221207] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 390.226131] inet_sendmsg+0x108/0x440 [ 390.229931] ? security_socket_sendmsg+0x4a/0x90 [ 390.234677] ? ipip_gro_receive+0xf0/0xf0 [ 390.238814] sock_sendmsg+0xb5/0xf0 [ 390.242433] sock_write_iter+0x1e9/0x3d0 [ 390.246489] ? sock_sendmsg+0xf0/0xf0 [ 390.250291] __vfs_write+0x4a3/0x970 [ 390.254002] ? lock_downgrade+0x7f0/0x7f0 [ 390.258142] ? kernel_read+0x130/0x130 [ 390.262078] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.267004] ? apparmor_file_permission+0x15/0x20 [ 390.271846] ? rw_verify_area+0xb8/0x2b0 [ 390.275905] vfs_write+0x150/0x4e0 [ 390.279441] ksys_write+0xcd/0x1b0 [ 390.282974] ? __ia32_sys_read+0xa0/0xa0 [ 390.287039] ? do_syscall_64+0x21/0x4d0 [ 390.291002] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.296358] __x64_sys_write+0x6e/0xb0 [ 390.300266] do_syscall_64+0xd0/0x4d0 [ 390.304062] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.309255] RIP: 0033:0x4592c9 [ 390.312436] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 390.331333] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.339041] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 390.346306] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 390.353565] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 390.360826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 390.368085] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 390.375360] CPU: 1 PID: 12583 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 390.382549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.391891] Call Trace: [ 390.394473] dump_stack+0x113/0x167 [ 390.398094] should_fail.cold.4+0x5/0x13 [ 390.402149] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 390.407240] ? lock_downgrade+0x7f0/0x7f0 [ 390.411377] ? ___might_sleep+0x16b/0x270 [ 390.415519] __should_failslab+0xba/0xf0 [ 390.419572] should_failslab+0x9/0x14 [ 390.423367] kmem_cache_alloc_node+0x270/0x730 [ 390.427940] ? find_held_lock+0x36/0x1d0 [ 390.432002] __alloc_skb+0xa7/0x570 [ 390.435618] ? skb_scrub_packet+0x3a0/0x3a0 [ 390.439940] _sctp_make_chunk+0x3f/0x260 [ 390.443996] sctp_make_datafrag_empty+0x159/0x260 [ 390.448830] ? sctp_make_ecne+0xf0/0xf0 [ 390.452798] ? process_measurement+0x805/0x14b0 [ 390.457486] sctp_datamsg_from_user+0x4d7/0xf30 [ 390.462151] ? mark_held_locks+0x130/0x130 [ 390.466383] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 390.470958] ? find_held_lock+0x36/0x1d0 [ 390.475012] ? sctp_clear_owner_w+0xf0/0xf0 [ 390.479324] ? lock_sock_nested+0xc5/0x100 [ 390.483556] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.488125] ? __local_bh_enable_ip+0x160/0x260 [ 390.492786] ? lock_sock_nested+0x82/0x100 [ 390.497037] ? trace_hardirqs_on+0x28/0x190 [ 390.501344] ? lock_sock_nested+0x82/0x100 [ 390.505569] ? lock_sock_nested+0x82/0x100 [ 390.509797] ? __local_bh_enable_ip+0x160/0x260 [ 390.514465] sctp_sendmsg+0xb80/0x1710 [ 390.518358] ? sctp_id2assoc+0x250/0x250 [ 390.522407] ? ___might_sleep+0x16b/0x270 [ 390.526724] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.531653] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 390.536604] inet_sendmsg+0x108/0x440 [ 390.540481] ? security_socket_sendmsg+0x4a/0x90 [ 390.545233] ? ipip_gro_receive+0xf0/0xf0 [ 390.549393] sock_sendmsg+0xb5/0xf0 [ 390.553015] sock_write_iter+0x1e9/0x3d0 [ 390.557065] ? sock_sendmsg+0xf0/0xf0 [ 390.560868] __vfs_write+0x4a3/0x970 [ 390.564575] ? lock_downgrade+0x7f0/0x7f0 [ 390.568716] ? kernel_read+0x130/0x130 [ 390.572594] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.577524] ? apparmor_file_permission+0x15/0x20 [ 390.582356] ? rw_verify_area+0xb8/0x2b0 [ 390.586436] vfs_write+0x150/0x4e0 [ 390.589966] ksys_write+0xcd/0x1b0 [ 390.593497] ? __ia32_sys_read+0xa0/0xa0 [ 390.597552] ? do_syscall_64+0x21/0x4d0 [ 390.601519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.606875] __x64_sys_write+0x6e/0xb0 [ 390.610755] do_syscall_64+0xd0/0x4d0 [ 390.614549] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.619723] RIP: 0033:0x4592c9 [ 390.622903] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 390.641885] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.649588] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 390.656853] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 390.664117] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 390.671380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 390.678649] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 390.690828] CPU: 1 PID: 12593 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 390.698030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.707386] Call Trace: [ 390.709977] dump_stack+0x113/0x167 [ 390.713604] should_fail.cold.4+0x5/0x13 [ 390.717667] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 390.722767] ? lock_downgrade+0x7f0/0x7f0 [ 390.726912] ? ___might_sleep+0x16b/0x270 [ 390.731059] __should_failslab+0xba/0xf0 [ 390.735118] should_failslab+0x9/0x14 [ 390.738909] kmem_cache_alloc_node+0x270/0x730 [ 390.738917] ? find_held_lock+0x36/0x1d0 [ 390.738930] __alloc_skb+0xa7/0x570 [ 390.738937] ? skb_scrub_packet+0x3a0/0x3a0 [ 390.738951] _sctp_make_chunk+0x3f/0x260 [ 390.738959] sctp_make_datafrag_empty+0x159/0x260 [ 390.762478] ? sctp_make_ecne+0xf0/0xf0 [ 390.762489] ? process_measurement+0x805/0x14b0 [ 390.762499] sctp_datamsg_from_user+0x4d7/0xf30 [ 390.762509] ? mark_held_locks+0x130/0x130 [ 390.762521] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 390.762529] ? find_held_lock+0x36/0x1d0 [ 390.762540] ? sctp_clear_owner_w+0xf0/0xf0 [ 390.762548] ? lock_sock_nested+0xc5/0x100 [ 390.762553] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.775389] ? __local_bh_enable_ip+0x160/0x260 [ 390.775396] ? lock_sock_nested+0x82/0x100 [ 390.775402] ? trace_hardirqs_on+0x28/0x190 [ 390.775407] ? lock_sock_nested+0x82/0x100 [ 390.775411] ? lock_sock_nested+0x82/0x100 [ 390.775418] ? __local_bh_enable_ip+0x160/0x260 [ 390.775429] sctp_sendmsg+0xb80/0x1710 [ 390.775441] ? sctp_id2assoc+0x250/0x250 [ 390.775448] ? ___might_sleep+0x16b/0x270 [ 390.775461] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.788988] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 390.788998] inet_sendmsg+0x108/0x440 [ 390.789005] ? security_socket_sendmsg+0x4a/0x90 [ 390.789011] ? ipip_gro_receive+0xf0/0xf0 [ 390.789018] sock_sendmsg+0xb5/0xf0 [ 390.789026] sock_write_iter+0x1e9/0x3d0 [ 390.789033] ? sock_sendmsg+0xf0/0xf0 [ 390.789051] __vfs_write+0x4a3/0x970 [ 390.789057] ? lock_downgrade+0x7f0/0x7f0 [ 390.801972] ? kernel_read+0x130/0x130 [ 390.801981] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 390.801992] ? apparmor_file_permission+0x15/0x20 [ 390.802001] ? rw_verify_area+0xb8/0x2b0 [ 390.802009] vfs_write+0x150/0x4e0 [ 390.802018] ksys_write+0xcd/0x1b0 [ 390.802025] ? __ia32_sys_read+0xa0/0xa0 [ 390.802033] ? do_syscall_64+0x21/0x4d0 [ 390.802041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.802049] __x64_sys_write+0x6e/0xb0 [ 390.810864] do_syscall_64+0xd0/0x4d0 [ 390.810875] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.810880] RIP: 0033:0x4592c9 [ 390.810887] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 390.810891] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.810898] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 390.810901] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 390.810905] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 390.810908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 390.810912] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 390.852290] FAULT_INJECTION: forcing a failure. [ 390.852290] name failslab, interval 1, probability 0, space 0, times 0 [ 390.866065] CPU: 0 PID: 12585 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 390.919353] FAULT_INJECTION: forcing a failure. [ 390.919353] name fail_futex, interval 1, probability 0, space 0, times 0 [ 390.921909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.015257] FAULT_INJECTION: forcing a failure. [ 391.015257] name failslab, interval 1, probability 0, space 0, times 0 [ 391.021371] Call Trace: [ 391.021385] dump_stack+0x113/0x167 [ 391.021397] should_fail.cold.4+0x5/0x13 [ 391.021404] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 391.021412] ? _raw_spin_unlock+0x2c/0x50 [ 391.021420] ? free_one_page+0x985/0xf30 [ 391.084029] get_futex_key+0x19e/0x1030 [ 391.088000] ? trace_hardirqs_on+0x28/0x190 [ 391.092324] ? futex_lock_pi_atomic+0x200/0x200 [ 391.097091] ? __free_pages+0x7f/0xb0 [ 391.100889] ? check_noncircular+0x20/0x20 [ 391.105112] ? finish_task_switch+0x486/0x6d0 [ 391.109603] futex_wake+0xcb/0x590 [ 391.113136] ? get_futex_key+0x1030/0x1030 [ 391.117370] ? __lock_acquire+0x5d6/0x4760 [ 391.121600] do_futex+0x59a/0x1800 [ 391.125131] ? __lock_acquire+0x5d6/0x4760 [ 391.129359] ? mark_held_locks+0x130/0x130 [ 391.133679] ? exit_robust_list+0x1b0/0x1b0 [ 391.137998] ? mark_held_locks+0x130/0x130 [ 391.142229] ? find_held_lock+0x36/0x1d0 [ 391.146368] ? find_held_lock+0x36/0x1d0 [ 391.150432] ? __might_fault+0xf1/0x1b0 [ 391.154395] ? lock_downgrade+0x7f0/0x7f0 [ 391.158557] mm_release+0x2da/0x410 [ 391.162176] do_exit+0x388/0x2ba0 [ 391.165622] ? inet_sendmsg+0x108/0x440 [ 391.169587] ? security_socket_sendmsg+0x4a/0x90 [ 391.174347] ? mm_update_next_owner+0x680/0x680 [ 391.179009] ? find_held_lock+0x36/0x1d0 [ 391.183074] ? get_signal+0x584/0x11d0 [ 391.186952] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.191435] ? get_signal+0x584/0x11d0 [ 391.195323] do_group_exit+0xf4/0x2f0 [ 391.199121] get_signal+0x532/0x11d0 [ 391.202836] do_signal+0x87/0x1930 [ 391.206371] ? rw_verify_area+0xb8/0x2b0 [ 391.210430] ? setup_sigcontext+0x7d0/0x7d0 [ 391.214742] ? kasan_check_write+0x14/0x20 [ 391.218968] ? fput+0x18/0x120 [ 391.222154] ? ksys_write+0x157/0x1b0 [ 391.225946] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.230519] ? exit_to_usermode_loop+0x3a/0x200 [ 391.235182] ? trace_hardirqs_on+0x28/0x190 [ 391.239496] exit_to_usermode_loop+0x114/0x200 [ 391.244091] do_syscall_64+0x407/0x4d0 [ 391.247973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.253154] RIP: 0033:0x4592c9 [ 391.256335] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 391.275226] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.282924] RAX: ffffffffffffffe0 RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 391.290187] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 391.297444] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 391.304705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 391.312050] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 391.319334] CPU: 1 PID: 12606 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 391.326532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.335880] Call Trace: [ 391.338468] dump_stack+0x113/0x167 [ 391.342098] should_fail.cold.4+0x5/0x13 [ 391.346153] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 391.351253] ? lock_downgrade+0x7f0/0x7f0 [ 391.355398] ? ___might_sleep+0x16b/0x270 [ 391.359567] __should_failslab+0xba/0xf0 [ 391.363626] should_failslab+0x9/0x14 [ 391.366408] FAULT_INJECTION: forcing a failure. [ 391.366408] name failslab, interval 1, probability 0, space 0, times 0 [ 391.367507] kmem_cache_alloc_node+0x270/0x730 [ 391.367514] ? find_held_lock+0x36/0x1d0 [ 391.367527] __alloc_skb+0xa7/0x570 [ 391.367534] ? skb_scrub_packet+0x3a0/0x3a0 [ 391.367549] _sctp_make_chunk+0x3f/0x260 [ 391.367558] sctp_make_datafrag_empty+0x159/0x260 [ 391.367566] ? sctp_make_ecne+0xf0/0xf0 [ 391.408126] ? process_measurement+0x805/0x14b0 [ 391.412884] sctp_datamsg_from_user+0x4d7/0xf30 [ 391.417550] ? mark_held_locks+0x130/0x130 [ 391.421784] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 391.426461] ? find_held_lock+0x36/0x1d0 [ 391.430522] ? sctp_clear_owner_w+0xf0/0xf0 [ 391.434832] ? lock_sock_nested+0xc5/0x100 [ 391.439065] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.443637] ? __local_bh_enable_ip+0x160/0x260 [ 391.448291] ? lock_sock_nested+0x82/0x100 [ 391.452515] ? trace_hardirqs_on+0x28/0x190 [ 391.456823] ? lock_sock_nested+0x82/0x100 [ 391.461046] ? lock_sock_nested+0x82/0x100 [ 391.465274] ? __local_bh_enable_ip+0x160/0x260 [ 391.469940] sctp_sendmsg+0xb80/0x1710 [ 391.473826] ? sctp_id2assoc+0x250/0x250 [ 391.477880] ? ___might_sleep+0x16b/0x270 [ 391.482133] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 391.487062] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 391.491986] inet_sendmsg+0x108/0x440 [ 391.495783] ? security_socket_sendmsg+0x4a/0x90 [ 391.500535] ? ipip_gro_receive+0xf0/0xf0 [ 391.504674] sock_sendmsg+0xb5/0xf0 [ 391.508300] sock_write_iter+0x1e9/0x3d0 [ 391.512353] ? sock_sendmsg+0xf0/0xf0 [ 391.516178] __vfs_write+0x4a3/0x970 [ 391.519884] ? lock_downgrade+0x7f0/0x7f0 [ 391.524019] ? kernel_read+0x130/0x130 [ 391.527899] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 391.532827] ? apparmor_file_permission+0x15/0x20 [ 391.537662] ? rw_verify_area+0xb8/0x2b0 [ 391.541714] vfs_write+0x150/0x4e0 [ 391.545243] ksys_write+0xcd/0x1b0 [ 391.548776] ? __ia32_sys_read+0xa0/0xa0 [ 391.552831] ? do_syscall_64+0x21/0x4d0 [ 391.556797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.562162] __x64_sys_write+0x6e/0xb0 [ 391.566043] do_syscall_64+0xd0/0x4d0 [ 391.569836] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.575039] RIP: 0033:0x4592c9 [ 391.578225] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 391.597116] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.604817] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 2019/06/15 21:34:27 executed programs: 1403 [ 391.612080] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 391.619349] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 391.626607] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 391.633866] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 391.641142] CPU: 0 PID: 12611 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 391.648337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.648341] Call Trace: [ 391.648355] dump_stack+0x113/0x167 [ 391.648366] should_fail.cold.4+0x5/0x13 [ 391.648374] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 391.648381] ? lock_downgrade+0x7f0/0x7f0 [ 391.648388] ? ___might_sleep+0x16b/0x270 [ 391.648399] __should_failslab+0xba/0xf0 [ 391.648407] should_failslab+0x9/0x14 [ 391.648412] kmem_cache_alloc_node+0x270/0x730 [ 391.648418] ? find_held_lock+0x36/0x1d0 [ 391.648430] __alloc_skb+0xa7/0x570 [ 391.648436] ? skb_scrub_packet+0x3a0/0x3a0 [ 391.648451] _sctp_make_chunk+0x3f/0x260 [ 391.648459] sctp_make_datafrag_empty+0x159/0x260 [ 391.648467] ? sctp_make_ecne+0xf0/0xf0 [ 391.648476] ? process_measurement+0x805/0x14b0 [ 391.648485] sctp_datamsg_from_user+0x4d7/0xf30 [ 391.648493] ? mark_held_locks+0x130/0x130 [ 391.709819] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 391.709834] ? find_held_lock+0x36/0x1d0 [ 391.709844] ? sctp_clear_owner_w+0xf0/0xf0 [ 391.729353] ? lock_sock_nested+0xc5/0x100 [ 391.729360] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.729367] ? __local_bh_enable_ip+0x160/0x260 [ 391.729371] ? lock_sock_nested+0x82/0x100 [ 391.729376] ? trace_hardirqs_on+0x28/0x190 [ 391.729381] ? lock_sock_nested+0x82/0x100 [ 391.729385] ? lock_sock_nested+0x82/0x100 [ 391.729391] ? __local_bh_enable_ip+0x160/0x260 [ 391.729402] sctp_sendmsg+0xb80/0x1710 [ 391.729414] ? sctp_id2assoc+0x250/0x250 [ 391.729421] ? ___might_sleep+0x16b/0x270 [ 391.755422] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 391.755436] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 391.755446] inet_sendmsg+0x108/0x440 [ 391.807374] ? security_socket_sendmsg+0x4a/0x90 [ 391.812130] ? ipip_gro_receive+0xf0/0xf0 [ 391.816267] sock_sendmsg+0xb5/0xf0 [ 391.819889] sock_write_iter+0x1e9/0x3d0 [ 391.824121] ? sock_sendmsg+0xf0/0xf0 [ 391.827926] __vfs_write+0x4a3/0x970 [ 391.831628] ? lock_downgrade+0x7f0/0x7f0 [ 391.835766] ? kernel_read+0x130/0x130 [ 391.839647] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 391.844576] ? apparmor_file_permission+0x15/0x20 [ 391.849419] ? rw_verify_area+0xb8/0x2b0 [ 391.853505] vfs_write+0x150/0x4e0 [ 391.857069] ksys_write+0xcd/0x1b0 [ 391.857076] ? __ia32_sys_read+0xa0/0xa0 [ 391.857084] ? do_syscall_64+0x21/0x4d0 [ 391.857093] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.857103] __x64_sys_write+0x6e/0xb0 [ 391.874556] do_syscall_64+0xd0/0x4d0 [ 391.882209] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.887391] RIP: 0033:0x4592c9 [ 391.890570] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 391.909472] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.917180] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 391.924442] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 391.931702] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 391.938960] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 391.946223] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 391.953585] CPU: 1 PID: 12603 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 391.960782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.970139] Call Trace: [ 391.972734] dump_stack+0x113/0x167 [ 391.976370] should_fail.cold.4+0x5/0x13 [ 391.980438] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 391.985538] ? lock_downgrade+0x7f0/0x7f0 [ 391.989685] ? ___might_sleep+0x16b/0x270 [ 391.993835] __should_failslab+0xba/0xf0 [ 391.997907] should_failslab+0x9/0x14 [ 392.001717] kmem_cache_alloc_node+0x270/0x730 [ 392.006300] ? find_held_lock+0x36/0x1d0 [ 392.010371] __alloc_skb+0xa7/0x570 [ 392.014007] ? skb_scrub_packet+0x3a0/0x3a0 [ 392.018331] _sctp_make_chunk+0x3f/0x260 [ 392.022394] sctp_make_datafrag_empty+0x159/0x260 [ 392.027234] ? sctp_make_ecne+0xf0/0xf0 [ 392.031209] ? process_measurement+0x805/0x14b0 [ 392.035878] sctp_datamsg_from_user+0x4d7/0xf30 [ 392.040560] ? mark_held_locks+0x130/0x130 [ 392.044807] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 392.049393] ? find_held_lock+0x36/0x1d0 [ 392.053454] ? sctp_clear_owner_w+0xf0/0xf0 [ 392.057771] ? lock_sock_nested+0xc5/0x100 [ 392.059162] FAULT_INJECTION: forcing a failure. [ 392.059162] name failslab, interval 1, probability 0, space 0, times 0 [ 392.062009] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.062015] ? __local_bh_enable_ip+0x160/0x260 [ 392.062020] ? lock_sock_nested+0x82/0x100 [ 392.062026] ? trace_hardirqs_on+0x28/0x190 [ 392.062030] ? lock_sock_nested+0x82/0x100 [ 392.062035] ? lock_sock_nested+0x82/0x100 [ 392.062042] ? __local_bh_enable_ip+0x160/0x260 [ 392.078603] FAULT_INJECTION: forcing a failure. [ 392.078603] name failslab, interval 1, probability 0, space 0, times 0 [ 392.082453] sctp_sendmsg+0xb80/0x1710 [ 392.082466] ? sctp_id2assoc+0x250/0x250 [ 392.082474] ? ___might_sleep+0x16b/0x270 [ 392.082485] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 392.132294] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 392.137221] inet_sendmsg+0x108/0x440 [ 392.141016] ? security_socket_sendmsg+0x4a/0x90 [ 392.145861] ? ipip_gro_receive+0xf0/0xf0 [ 392.149999] sock_sendmsg+0xb5/0xf0 [ 392.153620] sock_write_iter+0x1e9/0x3d0 [ 392.157676] ? sock_sendmsg+0xf0/0xf0 [ 392.161573] __vfs_write+0x4a3/0x970 [ 392.165291] ? lock_downgrade+0x7f0/0x7f0 [ 392.169433] ? kernel_read+0x130/0x130 [ 392.173310] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 392.178237] ? apparmor_file_permission+0x15/0x20 [ 392.183073] ? rw_verify_area+0xb8/0x2b0 [ 392.187129] vfs_write+0x150/0x4e0 [ 392.190666] ksys_write+0xcd/0x1b0 [ 392.194196] ? __ia32_sys_read+0xa0/0xa0 [ 392.198257] ? do_syscall_64+0x21/0x4d0 [ 392.202223] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.207578] __x64_sys_write+0x6e/0xb0 [ 392.211459] do_syscall_64+0xd0/0x4d0 [ 392.215252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.220432] RIP: 0033:0x4592c9 [ 392.223620] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 392.242521] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.250220] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 392.257480] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 392.264739] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 392.271999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 392.279261] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 392.286538] CPU: 0 PID: 12620 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 392.293727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.303069] Call Trace: [ 392.303083] dump_stack+0x113/0x167 [ 392.303094] should_fail.cold.4+0x5/0x13 [ 392.303102] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 392.303109] ? lock_downgrade+0x7f0/0x7f0 [ 392.303116] ? ___might_sleep+0x16b/0x270 [ 392.303126] __should_failslab+0xba/0xf0 [ 392.303134] should_failslab+0x9/0x14 [ 392.334558] kmem_cache_alloc_node+0x270/0x730 [ 392.339134] ? find_held_lock+0x36/0x1d0 [ 392.343188] __alloc_skb+0xa7/0x570 [ 392.346806] ? skb_scrub_packet+0x3a0/0x3a0 [ 392.351131] _sctp_make_chunk+0x3f/0x260 [ 392.355187] sctp_make_datafrag_empty+0x159/0x260 [ 392.360021] ? sctp_make_ecne+0xf0/0xf0 [ 392.363986] ? process_measurement+0x805/0x14b0 [ 392.368645] sctp_datamsg_from_user+0x4d7/0xf30 [ 392.373317] ? mark_held_locks+0x130/0x130 [ 392.377545] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 392.382121] ? find_held_lock+0x36/0x1d0 [ 392.386175] ? sctp_clear_owner_w+0xf0/0xf0 [ 392.390668] ? lock_sock_nested+0xc5/0x100 [ 392.394893] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.399468] ? __local_bh_enable_ip+0x160/0x260 [ 392.404125] ? lock_sock_nested+0x82/0x100 [ 392.408346] ? trace_hardirqs_on+0x28/0x190 [ 392.412653] ? lock_sock_nested+0x82/0x100 [ 392.416877] ? lock_sock_nested+0x82/0x100 [ 392.421108] ? __local_bh_enable_ip+0x160/0x260 [ 392.425772] sctp_sendmsg+0xb80/0x1710 [ 392.429657] ? sctp_id2assoc+0x250/0x250 [ 392.433709] ? ___might_sleep+0x16b/0x270 [ 392.437855] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 392.442779] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 392.447709] inet_sendmsg+0x108/0x440 [ 392.451501] ? security_socket_sendmsg+0x4a/0x90 [ 392.456255] ? ipip_gro_receive+0xf0/0xf0 [ 392.460396] sock_sendmsg+0xb5/0xf0 [ 392.464014] sock_write_iter+0x1e9/0x3d0 [ 392.468070] ? sock_sendmsg+0xf0/0xf0 [ 392.471875] __vfs_write+0x4a3/0x970 [ 392.475586] ? lock_downgrade+0x7f0/0x7f0 [ 392.479725] ? kernel_read+0x130/0x130 [ 392.483613] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 392.488540] ? apparmor_file_permission+0x15/0x20 [ 392.493373] ? rw_verify_area+0xb8/0x2b0 [ 392.497424] vfs_write+0x150/0x4e0 [ 392.500959] ksys_write+0xcd/0x1b0 [ 392.504491] ? __ia32_sys_read+0xa0/0xa0 [ 392.508544] ? do_syscall_64+0x21/0x4d0 [ 392.512510] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.517868] __x64_sys_write+0x6e/0xb0 [ 392.521751] do_syscall_64+0xd0/0x4d0 [ 392.525547] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.530722] RIP: 0033:0x4592c9 [ 392.533903] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 392.552799] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.560501] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 392.567762] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 392.575110] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 392.582377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 392.589657] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 392.596934] CPU: 1 PID: 12604 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 392.604132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.613480] Call Trace: [ 392.616068] dump_stack+0x113/0x167 [ 392.619702] should_fail.cold.4+0x5/0x13 [ 392.623767] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 392.628872] ? _raw_spin_unlock+0x2c/0x50 [ 392.633019] ? free_one_page+0x985/0xf30 [ 392.635279] FAULT_INJECTION: forcing a failure. [ 392.635279] name failslab, interval 1, probability 0, space 0, times 0 [ 392.637080] get_futex_key+0x19e/0x1030 [ 392.637088] ? trace_hardirqs_on+0x28/0x190 [ 392.637098] ? futex_lock_pi_atomic+0x200/0x200 [ 392.637105] ? __free_pages+0x7f/0xb0 [ 392.637113] ? check_noncircular+0x20/0x20 [ 392.637121] ? finish_task_switch+0x486/0x6d0 [ 392.673689] futex_wake+0xcb/0x590 [ 392.677224] ? get_futex_key+0x1030/0x1030 [ 392.681457] ? __lock_acquire+0x5d6/0x4760 [ 392.685682] do_futex+0x59a/0x1800 [ 392.689207] ? __lock_acquire+0x5d6/0x4760 [ 392.693437] ? mark_held_locks+0x130/0x130 [ 392.697663] ? exit_robust_list+0x1b0/0x1b0 [ 392.701975] ? mark_held_locks+0x130/0x130 [ 392.706200] ? find_held_lock+0x36/0x1d0 [ 392.710258] ? find_held_lock+0x36/0x1d0 [ 392.714346] ? __might_fault+0xf1/0x1b0 [ 392.718318] ? lock_downgrade+0x7f0/0x7f0 [ 392.722493] mm_release+0x2da/0x410 [ 392.726111] do_exit+0x388/0x2ba0 [ 392.729557] ? inet_sendmsg+0x108/0x440 [ 392.733518] ? security_socket_sendmsg+0x4a/0x90 [ 392.738273] ? mm_update_next_owner+0x680/0x680 [ 392.742936] ? find_held_lock+0x36/0x1d0 [ 392.746994] ? get_signal+0x584/0x11d0 [ 392.753133] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.758731] ? get_signal+0x584/0x11d0 [ 392.763043] do_group_exit+0xf4/0x2f0 [ 392.766837] get_signal+0x532/0x11d0 [ 392.770551] do_signal+0x87/0x1930 [ 392.774082] ? rw_verify_area+0xb8/0x2b0 [ 392.778134] ? setup_sigcontext+0x7d0/0x7d0 [ 392.782448] ? kasan_check_write+0x14/0x20 [ 392.786676] ? fput+0x18/0x120 [ 392.789854] ? ksys_write+0x157/0x1b0 [ 392.793643] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.798216] ? exit_to_usermode_loop+0x3a/0x200 [ 392.802876] ? trace_hardirqs_on+0x28/0x190 [ 392.807216] exit_to_usermode_loop+0x114/0x200 [ 392.811791] do_syscall_64+0x407/0x4d0 [ 392.815679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.820860] RIP: 0033:0x4592c9 [ 392.824039] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 392.842927] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.850628] RAX: ffffffffffffffe0 RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 392.857882] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 392.866678] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 392.873944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 392.881719] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 392.889031] CPU: 0 PID: 12625 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 392.896223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.905569] Call Trace: [ 392.908157] dump_stack+0x113/0x167 [ 392.911784] should_fail.cold.4+0x5/0x13 [ 392.915855] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 392.920976] ? lock_downgrade+0x7f0/0x7f0 [ 392.925112] ? ___might_sleep+0x16b/0x270 [ 392.925123] __should_failslab+0xba/0xf0 [ 392.925131] should_failslab+0x9/0x14 [ 392.925136] kmem_cache_alloc_node+0x270/0x730 [ 392.925142] ? find_held_lock+0x36/0x1d0 [ 392.945740] __alloc_skb+0xa7/0x570 [ 392.949362] ? skb_scrub_packet+0x3a0/0x3a0 [ 392.953683] _sctp_make_chunk+0x3f/0x260 [ 392.957739] sctp_make_datafrag_empty+0x159/0x260 [ 392.962575] ? sctp_make_ecne+0xf0/0xf0 [ 392.966576] ? process_measurement+0x805/0x14b0 [ 392.971245] sctp_datamsg_from_user+0x4d7/0xf30 [ 392.975909] ? mark_held_locks+0x130/0x130 [ 392.980140] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 392.984712] ? find_held_lock+0x36/0x1d0 [ 392.988767] ? sctp_clear_owner_w+0xf0/0xf0 [ 392.993110] ? lock_sock_nested+0xc5/0x100 [ 392.997332] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.002342] ? __local_bh_enable_ip+0x160/0x260 [ 393.007011] ? lock_sock_nested+0x82/0x100 [ 393.011233] ? trace_hardirqs_on+0x28/0x190 [ 393.015543] ? lock_sock_nested+0x82/0x100 [ 393.019780] ? lock_sock_nested+0x82/0x100 [ 393.024036] ? __local_bh_enable_ip+0x160/0x260 [ 393.028705] sctp_sendmsg+0xb80/0x1710 [ 393.032617] ? sctp_id2assoc+0x250/0x250 [ 393.036669] ? ___might_sleep+0x16b/0x270 [ 393.040809] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.045739] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 393.050690] inet_sendmsg+0x108/0x440 [ 393.054483] ? security_socket_sendmsg+0x4a/0x90 [ 393.059232] ? ipip_gro_receive+0xf0/0xf0 [ 393.063378] sock_sendmsg+0xb5/0xf0 [ 393.067048] sock_write_iter+0x1e9/0x3d0 [ 393.071102] ? sock_sendmsg+0xf0/0xf0 [ 393.074901] __vfs_write+0x4a3/0x970 [ 393.078607] ? lock_downgrade+0x7f0/0x7f0 [ 393.082749] ? kernel_read+0x130/0x130 [ 393.086627] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.091552] ? apparmor_file_permission+0x15/0x20 [ 393.096391] ? rw_verify_area+0xb8/0x2b0 [ 393.100461] vfs_write+0x150/0x4e0 [ 393.104000] ksys_write+0xcd/0x1b0 [ 393.107539] ? __ia32_sys_read+0xa0/0xa0 [ 393.111598] ? do_syscall_64+0x21/0x4d0 [ 393.115569] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.120934] __x64_sys_write+0x6e/0xb0 [ 393.124819] do_syscall_64+0xd0/0x4d0 [ 393.128617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.133794] RIP: 0033:0x4592c9 [ 393.136974] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 393.155865] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.163562] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 393.170827] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 393.178093] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 393.178097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 393.178100] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 393.211861] CPU: 1 PID: 12619 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 393.219067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.224948] FAULT_INJECTION: forcing a failure. [ 393.224948] name failslab, interval 1, probability 0, space 0, times 0 [ 393.228414] Call Trace: [ 393.228427] dump_stack+0x113/0x167 [ 393.228439] should_fail.cold.4+0x5/0x13 [ 393.228447] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 393.254949] ? lock_downgrade+0x7f0/0x7f0 [ 393.259092] ? ___might_sleep+0x16b/0x270 [ 393.263241] __should_failslab+0xba/0xf0 [ 393.267300] should_failslab+0x9/0x14 [ 393.271099] kmem_cache_alloc_node+0x270/0x730 [ 393.275677] ? find_held_lock+0x36/0x1d0 [ 393.279739] __alloc_skb+0xa7/0x570 [ 393.283366] ? skb_scrub_packet+0x3a0/0x3a0 [ 393.287688] _sctp_make_chunk+0x3f/0x260 [ 393.290346] FAULT_INJECTION: forcing a failure. [ 393.290346] name failslab, interval 1, probability 0, space 0, times 0 [ 393.291750] sctp_make_datafrag_empty+0x159/0x260 [ 393.307759] ? sctp_make_ecne+0xf0/0xf0 [ 393.311726] ? process_measurement+0x805/0x14b0 [ 393.316389] sctp_datamsg_from_user+0x4d7/0xf30 [ 393.321052] ? mark_held_locks+0x130/0x130 [ 393.325283] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 393.329855] ? find_held_lock+0x36/0x1d0 [ 393.333560] FAULT_INJECTION: forcing a failure. [ 393.333560] name failslab, interval 1, probability 0, space 0, times 0 [ 393.333907] ? sctp_clear_owner_w+0xf0/0xf0 [ 393.333915] ? lock_sock_nested+0xc5/0x100 [ 393.333921] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.333927] ? __local_bh_enable_ip+0x160/0x260 [ 393.333932] ? lock_sock_nested+0x82/0x100 [ 393.333938] ? trace_hardirqs_on+0x28/0x190 [ 393.371397] ? lock_sock_nested+0x82/0x100 [ 393.375624] ? lock_sock_nested+0x82/0x100 [ 393.379855] ? __local_bh_enable_ip+0x160/0x260 [ 393.384524] sctp_sendmsg+0xb80/0x1710 [ 393.388502] ? sctp_id2assoc+0x250/0x250 [ 393.392558] ? ___might_sleep+0x16b/0x270 [ 393.396699] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.401627] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 393.406551] inet_sendmsg+0x108/0x440 [ 393.410341] ? security_socket_sendmsg+0x4a/0x90 [ 393.415082] ? ipip_gro_receive+0xf0/0xf0 [ 393.419220] sock_sendmsg+0xb5/0xf0 [ 393.422835] sock_write_iter+0x1e9/0x3d0 [ 393.426883] ? sock_sendmsg+0xf0/0xf0 [ 393.430683] __vfs_write+0x4a3/0x970 [ 393.434388] ? lock_downgrade+0x7f0/0x7f0 [ 393.438526] ? kernel_read+0x130/0x130 [ 393.442417] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.447345] ? apparmor_file_permission+0x15/0x20 [ 393.452177] ? rw_verify_area+0xb8/0x2b0 [ 393.456405] vfs_write+0x150/0x4e0 [ 393.459935] ksys_write+0xcd/0x1b0 [ 393.463469] ? __ia32_sys_read+0xa0/0xa0 [ 393.467525] ? do_syscall_64+0x21/0x4d0 [ 393.471488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.476851] __x64_sys_write+0x6e/0xb0 [ 393.480726] do_syscall_64+0xd0/0x4d0 [ 393.484521] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.489722] RIP: 0033:0x4592c9 [ 393.492903] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 393.511797] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.519499] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 393.526757] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 393.534023] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 393.541288] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 393.548548] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 393.555832] CPU: 0 PID: 12631 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 393.563025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.572371] Call Trace: [ 393.574950] dump_stack+0x113/0x167 [ 393.574963] should_fail.cold.4+0x5/0x13 [ 393.574972] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 393.574979] ? lock_downgrade+0x7f0/0x7f0 [ 393.574988] ? ___might_sleep+0x16b/0x270 [ 393.574998] __should_failslab+0xba/0xf0 [ 393.575006] should_failslab+0x9/0x14 [ 393.587776] kmem_cache_alloc_trace+0x2d8/0x740 [ 393.587792] sctp_datamsg_from_user+0x7f/0xf30 [ 393.587797] ? kmem_cache_alloc_trace+0x353/0x740 [ 393.587805] ? sctp_sched_init_sid+0xf1/0x170 [ 393.587818] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 393.587827] ? find_held_lock+0x36/0x1d0 [ 393.587837] ? sctp_clear_owner_w+0xf0/0xf0 [ 393.587845] ? lock_sock_nested+0xc5/0x100 [ 393.587850] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.587855] ? __local_bh_enable_ip+0x160/0x260 [ 393.587860] ? lock_sock_nested+0x82/0x100 [ 393.587865] ? trace_hardirqs_on+0x28/0x190 [ 393.587870] ? lock_sock_nested+0x82/0x100 [ 393.587877] ? __local_bh_enable_ip+0x160/0x260 [ 393.587887] sctp_sendmsg+0xb80/0x1710 [ 393.587898] ? sctp_id2assoc+0x250/0x250 [ 393.587905] ? ___might_sleep+0x16b/0x270 [ 393.613228] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.613244] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 393.613254] inet_sendmsg+0x108/0x440 [ 393.613261] ? security_socket_sendmsg+0x4a/0x90 [ 393.613266] ? ipip_gro_receive+0xf0/0xf0 [ 393.631200] sock_sendmsg+0xb5/0xf0 [ 393.631209] sock_write_iter+0x1e9/0x3d0 [ 393.631216] ? sock_sendmsg+0xf0/0xf0 [ 393.631235] __vfs_write+0x4a3/0x970 [ 393.631247] ? lock_downgrade+0x7f0/0x7f0 [ 393.631254] ? kernel_read+0x130/0x130 [ 393.639798] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.639810] ? apparmor_file_permission+0x15/0x20 [ 393.639819] ? rw_verify_area+0xb8/0x2b0 [ 393.639827] vfs_write+0x150/0x4e0 [ 393.639836] ksys_write+0xcd/0x1b0 [ 393.639843] ? __ia32_sys_read+0xa0/0xa0 [ 393.639852] ? do_syscall_64+0x21/0x4d0 [ 393.639860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.639868] __x64_sys_write+0x6e/0xb0 [ 393.639874] do_syscall_64+0xd0/0x4d0 [ 393.639881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.639887] RIP: 0033:0x4592c9 [ 393.639894] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 393.639897] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.708910] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 393.708914] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 393.708917] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 393.708921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 393.708924] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 393.724555] CPU: 0 PID: 12633 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 393.767978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.767982] Call Trace: [ 393.767995] dump_stack+0x113/0x167 [ 393.768006] should_fail.cold.4+0x5/0x13 [ 393.768014] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 393.768021] ? lock_downgrade+0x7f0/0x7f0 [ 393.768030] ? ___might_sleep+0x16b/0x270 [ 393.768041] __should_failslab+0xba/0xf0 [ 393.768049] should_failslab+0x9/0x14 [ 393.768054] kmem_cache_alloc_node+0x270/0x730 [ 393.768060] ? find_held_lock+0x36/0x1d0 [ 393.768072] __alloc_skb+0xa7/0x570 [ 393.768078] ? skb_scrub_packet+0x3a0/0x3a0 [ 393.768093] _sctp_make_chunk+0x3f/0x260 [ 393.768102] sctp_make_datafrag_empty+0x159/0x260 [ 393.768108] ? sctp_make_ecne+0xf0/0xf0 [ 393.795378] ? process_measurement+0x805/0x14b0 [ 393.795393] sctp_datamsg_from_user+0x4d7/0xf30 [ 393.795404] ? mark_held_locks+0x130/0x130 [ 393.795417] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 393.795424] ? find_held_lock+0x36/0x1d0 [ 393.795434] ? sctp_clear_owner_w+0xf0/0xf0 [ 393.832165] ? lock_sock_nested+0xc5/0x100 [ 393.832173] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.832179] ? __local_bh_enable_ip+0x160/0x260 [ 393.832184] ? lock_sock_nested+0x82/0x100 [ 393.832190] ? trace_hardirqs_on+0x28/0x190 [ 393.832195] ? lock_sock_nested+0x82/0x100 [ 393.832202] ? __local_bh_enable_ip+0x160/0x260 [ 393.832212] sctp_sendmsg+0xb80/0x1710 [ 393.832223] ? sctp_id2assoc+0x250/0x250 [ 393.873882] FAULT_INJECTION: forcing a failure. [ 393.873882] name fail_futex, interval 1, probability 0, space 0, times 0 [ 393.875575] ? ___might_sleep+0x16b/0x270 [ 393.875587] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 393.875609] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 393.875630] inet_sendmsg+0x108/0x440 [ 394.011541] ? security_socket_sendmsg+0x4a/0x90 [ 394.016291] ? ipip_gro_receive+0xf0/0xf0 [ 394.020435] sock_sendmsg+0xb5/0xf0 [ 394.024055] sock_write_iter+0x1e9/0x3d0 [ 394.028116] ? sock_sendmsg+0xf0/0xf0 [ 394.031920] __vfs_write+0x4a3/0x970 [ 394.035622] ? lock_downgrade+0x7f0/0x7f0 [ 394.039763] ? kernel_read+0x130/0x130 [ 394.043641] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 394.048589] ? apparmor_file_permission+0x15/0x20 [ 394.053424] ? rw_verify_area+0xb8/0x2b0 [ 394.057474] vfs_write+0x150/0x4e0 [ 394.061008] ksys_write+0xcd/0x1b0 [ 394.064536] ? __ia32_sys_read+0xa0/0xa0 [ 394.068588] ? do_syscall_64+0x21/0x4d0 [ 394.072554] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.077912] __x64_sys_write+0x6e/0xb0 [ 394.081795] do_syscall_64+0xd0/0x4d0 [ 394.085592] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.090777] RIP: 0033:0x4592c9 [ 394.093964] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 394.112861] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 394.112868] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 394.112871] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 394.112874] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 394.112877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 394.112880] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 394.114506] CPU: 0 PID: 12647 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 394.164176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.173529] Call Trace: [ 394.176121] dump_stack+0x113/0x167 [ 394.179749] should_fail.cold.4+0x5/0x13 [ 394.183808] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 394.188909] ? _raw_spin_unlock+0x2c/0x50 [ 394.193053] ? free_one_page+0x985/0xf30 [ 394.193065] get_futex_key+0x19e/0x1030 [ 394.193071] ? trace_hardirqs_on+0x28/0x190 [ 394.193082] ? futex_lock_pi_atomic+0x200/0x200 [ 394.210063] ? __free_pages+0x7f/0xb0 [ 394.213867] ? check_noncircular+0x20/0x20 [ 394.218127] ? finish_task_switch+0x486/0x6d0 [ 394.222621] futex_wake+0xcb/0x590 [ 394.226248] ? get_futex_key+0x1030/0x1030 [ 394.230488] ? __lock_acquire+0x5d6/0x4760 [ 394.234721] do_futex+0x59a/0x1800 [ 394.238254] ? __lock_acquire+0x5d6/0x4760 [ 394.242484] ? mark_held_locks+0x130/0x130 [ 394.246731] ? exit_robust_list+0x1b0/0x1b0 [ 394.251043] ? mark_held_locks+0x130/0x130 [ 394.251053] ? find_held_lock+0x36/0x1d0 [ 394.251063] ? find_held_lock+0x36/0x1d0 [ 394.251075] ? __might_fault+0xf1/0x1b0 [ 394.251080] ? lock_downgrade+0x7f0/0x7f0 [ 394.251098] mm_release+0x2da/0x410 [ 394.251106] do_exit+0x388/0x2ba0 [ 394.278567] ? inet_sendmsg+0x108/0x440 [ 394.282537] ? security_socket_sendmsg+0x4a/0x90 [ 394.287294] ? mm_update_next_owner+0x680/0x680 [ 394.287308] ? find_held_lock+0x36/0x1d0 [ 394.287321] ? get_signal+0x584/0x11d0 [ 394.287330] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.287335] ? get_signal+0x584/0x11d0 [ 394.287344] do_group_exit+0xf4/0x2f0 [ 394.287352] get_signal+0x532/0x11d0 [ 394.287368] do_signal+0x87/0x1930 [ 394.287377] ? rw_verify_area+0xb8/0x2b0 [ 394.287384] ? setup_sigcontext+0x7d0/0x7d0 [ 394.287392] ? kasan_check_write+0x14/0x20 [ 394.287398] ? fput+0x18/0x120 [ 394.287403] ? ksys_write+0x157/0x1b0 [ 394.287410] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.327728] ? exit_to_usermode_loop+0x3a/0x200 [ 394.327737] ? trace_hardirqs_on+0x28/0x190 [ 394.327746] exit_to_usermode_loop+0x114/0x200 [ 394.327754] do_syscall_64+0x407/0x4d0 [ 394.327766] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.327771] RIP: 0033:0x4592c9 [ 394.327778] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 394.327781] RSP: 002b:00007fec74ad5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 394.327792] RAX: ffffffffffffffe0 RBX: 00007fec74ad5c90 RCX: 00000000004592c9 [ 394.338989] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 394.338993] RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 [ 394.338996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74ad66d4 [ 394.338999] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 394.344045] FAULT_INJECTION: forcing a failure. [ 394.344045] name failslab, interval 1, probability 0, space 0, times 0 [ 394.411199] CPU: 0 PID: 12629 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 394.451299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.460651] Call Trace: [ 394.460666] dump_stack+0x113/0x167 [ 394.460678] should_fail.cold.4+0x5/0x13 [ 394.460687] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 394.460693] ? lock_downgrade+0x7f0/0x7f0 [ 394.460702] ? ___might_sleep+0x16b/0x270 [ 394.460716] __should_failslab+0xba/0xf0 [ 394.460724] should_failslab+0x9/0x14 [ 394.460729] kmem_cache_alloc_node+0x270/0x730 [ 394.460735] ? find_held_lock+0x36/0x1d0 [ 394.460748] __alloc_skb+0xa7/0x570 [ 394.460754] ? skb_scrub_packet+0x3a0/0x3a0 [ 394.460768] _sctp_make_chunk+0x3f/0x260 [ 394.460777] sctp_make_datafrag_empty+0x159/0x260 [ 394.460784] ? sctp_make_ecne+0xf0/0xf0 [ 394.460793] ? process_measurement+0x805/0x14b0 [ 394.460801] sctp_datamsg_from_user+0x4d7/0xf30 [ 394.501159] FAULT_INJECTION: forcing a failure. [ 394.501159] name failslab, interval 1, probability 0, space 0, times 0 [ 394.504513] ? mark_held_locks+0x130/0x130 [ 394.504528] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 394.504536] ? find_held_lock+0x36/0x1d0 [ 394.504547] ? sctp_clear_owner_w+0xf0/0xf0 [ 394.504555] ? lock_sock_nested+0xc5/0x100 [ 394.504560] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.504566] ? __local_bh_enable_ip+0x160/0x260 [ 394.504571] ? lock_sock_nested+0x82/0x100 [ 394.504576] ? trace_hardirqs_on+0x28/0x190 [ 394.526422] ? lock_sock_nested+0x82/0x100 [ 394.526432] ? __local_bh_enable_ip+0x160/0x260 [ 394.526444] sctp_sendmsg+0xb80/0x1710 [ 394.526456] ? sctp_id2assoc+0x250/0x250 [ 394.526464] ? ___might_sleep+0x16b/0x270 [ 394.526475] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 394.526489] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 394.546730] inet_sendmsg+0x108/0x440 [ 394.546739] ? security_socket_sendmsg+0x4a/0x90 [ 394.546745] ? ipip_gro_receive+0xf0/0xf0 [ 394.546753] sock_sendmsg+0xb5/0xf0 [ 394.546761] sock_write_iter+0x1e9/0x3d0 [ 394.546769] ? sock_sendmsg+0xf0/0xf0 [ 394.546788] __vfs_write+0x4a3/0x970 [ 394.546794] ? lock_downgrade+0x7f0/0x7f0 [ 394.546800] ? kernel_read+0x130/0x130 [ 394.546809] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 394.546821] ? apparmor_file_permission+0x15/0x20 [ 394.546829] ? rw_verify_area+0xb8/0x2b0 [ 394.546837] vfs_write+0x150/0x4e0 [ 394.546845] ksys_write+0xcd/0x1b0 [ 394.546851] ? __ia32_sys_read+0xa0/0xa0 [ 394.546860] ? do_syscall_64+0x21/0x4d0 [ 394.546868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.546877] __x64_sys_write+0x6e/0xb0 [ 394.546883] do_syscall_64+0xd0/0x4d0 [ 394.546892] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.546897] RIP: 0033:0x4592c9 [ 394.546904] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 394.546908] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 394.603222] FAULT_INJECTION: forcing a failure. [ 394.603222] name failslab, interval 1, probability 0, space 0, times 0 [ 394.603623] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 394.652989] FAULT_INJECTION: forcing a failure. [ 394.652989] name failslab, interval 1, probability 0, space 0, times 0 [ 394.654137] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 394.654141] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 394.654144] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 394.654147] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 394.703368] FAULT_INJECTION: forcing a failure. [ 394.703368] name failslab, interval 1, probability 0, space 0, times 0 [ 394.735047] CPU: 1 PID: 12671 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 394.803950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.813292] Call Trace: [ 394.815881] dump_stack+0x113/0x167 [ 394.819507] should_fail.cold.4+0x5/0x13 [ 394.823562] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 394.828654] ? lock_downgrade+0x7f0/0x7f0 [ 394.832792] ? ___might_sleep+0x16b/0x270 [ 394.836939] __should_failslab+0xba/0xf0 [ 394.840998] should_failslab+0x9/0x14 [ 394.851479] kmem_cache_alloc_node+0x270/0x730 [ 394.856062] __alloc_skb+0xa7/0x570 [ 394.861219] ? skb_scrub_packet+0x3a0/0x3a0 [ 394.865542] _sctp_make_chunk+0x3f/0x260 [ 394.869600] sctp_make_datafrag_empty+0x159/0x260 [ 394.874435] ? sctp_make_ecne+0xf0/0xf0 [ 394.878405] sctp_datamsg_from_user+0x4d7/0xf30 [ 394.883064] ? mark_held_locks+0x130/0x130 [ 394.887296] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 394.891866] ? __lock_is_held+0xb5/0x140 [ 394.895918] ? find_held_lock+0x36/0x1d0 [ 394.899973] ? sctp_clear_owner_w+0xf0/0xf0 [ 394.904285] ? lock_sock_nested+0xc5/0x100 [ 394.908510] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.913082] ? __local_bh_enable_ip+0x160/0x260 [ 394.917737] ? lock_sock_nested+0x82/0x100 [ 394.921959] ? trace_hardirqs_on+0x28/0x190 [ 394.926271] ? lock_sock_nested+0x82/0x100 [ 394.930492] ? lock_sock_nested+0x82/0x100 [ 394.934804] ? __local_bh_enable_ip+0x160/0x260 [ 394.939467] sctp_sendmsg+0xb80/0x1710 [ 394.943352] ? sctp_id2assoc+0x250/0x250 [ 394.947402] ? ___might_sleep+0x16b/0x270 [ 394.951546] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 394.956477] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 394.961404] inet_sendmsg+0x108/0x440 [ 394.965196] ? security_socket_sendmsg+0x4a/0x90 [ 394.969944] ? ipip_gro_receive+0xf0/0xf0 [ 394.974081] sock_sendmsg+0xb5/0xf0 [ 394.977697] sock_write_iter+0x1e9/0x3d0 [ 394.981752] ? sock_sendmsg+0xf0/0xf0 [ 394.985558] __vfs_write+0x4a3/0x970 [ 394.989261] ? lock_downgrade+0x7f0/0x7f0 [ 394.993402] ? kernel_read+0x130/0x130 [ 394.997289] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.002217] ? apparmor_file_permission+0x15/0x20 [ 395.007051] ? rw_verify_area+0xb8/0x2b0 [ 395.011102] vfs_write+0x150/0x4e0 [ 395.014633] ksys_write+0xcd/0x1b0 [ 395.018164] ? __ia32_sys_read+0xa0/0xa0 [ 395.022581] ? do_syscall_64+0x21/0x4d0 [ 395.026651] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.032012] __x64_sys_write+0x6e/0xb0 [ 395.035908] do_syscall_64+0xd0/0x4d0 [ 395.039703] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.044878] RIP: 0033:0x4592c9 [ 395.048064] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 395.066953] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 395.074649] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 395.081916] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 395.089173] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 395.096427] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 395.103684] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 395.110959] CPU: 0 PID: 12677 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 395.118150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.118154] Call Trace: [ 395.118168] dump_stack+0x113/0x167 [ 395.118179] should_fail.cold.4+0x5/0x13 [ 395.118187] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 395.118193] ? lock_downgrade+0x7f0/0x7f0 [ 395.118201] ? ___might_sleep+0x16b/0x270 [ 395.118212] __should_failslab+0xba/0xf0 [ 395.118220] should_failslab+0x9/0x14 [ 395.159008] kmem_cache_alloc_node+0x270/0x730 [ 395.163591] ? find_held_lock+0x36/0x1d0 [ 395.167653] __alloc_skb+0xa7/0x570 [ 395.171274] ? skb_scrub_packet+0x3a0/0x3a0 [ 395.175649] _sctp_make_chunk+0x3f/0x260 [ 395.179705] sctp_make_datafrag_empty+0x159/0x260 [ 395.184550] ? sctp_make_ecne+0xf0/0xf0 [ 395.188518] ? process_measurement+0x805/0x14b0 [ 395.193184] sctp_datamsg_from_user+0x4d7/0xf30 [ 395.197850] ? mark_held_locks+0x130/0x130 [ 395.202092] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 395.206670] ? find_held_lock+0x36/0x1d0 [ 395.210732] ? sctp_clear_owner_w+0xf0/0xf0 [ 395.215049] ? lock_sock_nested+0xc5/0x100 [ 395.219284] ? lockdep_hardirqs_on+0x421/0x5c0 [ 395.223863] ? __local_bh_enable_ip+0x160/0x260 [ 395.228528] ? lock_sock_nested+0x82/0x100 [ 395.232750] ? trace_hardirqs_on+0x28/0x190 [ 395.237065] ? lock_sock_nested+0x82/0x100 [ 395.241293] ? lock_sock_nested+0x82/0x100 [ 395.245529] ? __local_bh_enable_ip+0x160/0x260 [ 395.250198] sctp_sendmsg+0xb80/0x1710 [ 395.254081] ? sctp_id2assoc+0x250/0x250 [ 395.258136] ? ___might_sleep+0x16b/0x270 [ 395.262285] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.267217] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 395.272139] inet_sendmsg+0x108/0x440 [ 395.275935] ? security_socket_sendmsg+0x4a/0x90 [ 395.280682] ? ipip_gro_receive+0xf0/0xf0 [ 395.284833] sock_sendmsg+0xb5/0xf0 [ 395.288458] sock_write_iter+0x1e9/0x3d0 [ 395.292523] ? sock_sendmsg+0xf0/0xf0 [ 395.296338] __vfs_write+0x4a3/0x970 [ 395.300046] ? lock_downgrade+0x7f0/0x7f0 [ 395.304186] ? kernel_read+0x130/0x130 [ 395.308072] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.312997] ? apparmor_file_permission+0x15/0x20 [ 395.317835] ? rw_verify_area+0xb8/0x2b0 [ 395.321894] vfs_write+0x150/0x4e0 [ 395.325428] ksys_write+0xcd/0x1b0 [ 395.329324] ? __ia32_sys_read+0xa0/0xa0 [ 395.333385] ? do_syscall_64+0x21/0x4d0 [ 395.337353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.342892] __x64_sys_write+0x6e/0xb0 [ 395.346772] do_syscall_64+0xd0/0x4d0 [ 395.350573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.355752] RIP: 0033:0x4592c9 [ 395.358934] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 395.377830] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 395.385531] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 395.392790] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 395.400058] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 395.407327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 395.414582] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 395.421864] CPU: 1 PID: 12657 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 395.429067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.439396] Call Trace: [ 395.442167] dump_stack+0x113/0x167 [ 395.445799] should_fail.cold.4+0x5/0x13 [ 395.449900] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 395.455004] ? lock_downgrade+0x7f0/0x7f0 [ 395.459162] ? ___might_sleep+0x16b/0x270 [ 395.463304] __should_failslab+0xba/0xf0 [ 395.467359] should_failslab+0x9/0x14 [ 395.471152] kmem_cache_alloc_node+0x270/0x730 [ 395.475732] ? find_held_lock+0x36/0x1d0 [ 395.479794] __alloc_skb+0xa7/0x570 [ 395.483435] ? skb_scrub_packet+0x3a0/0x3a0 [ 395.487764] _sctp_make_chunk+0x3f/0x260 [ 395.491831] sctp_make_datafrag_empty+0x159/0x260 [ 395.496749] ? sctp_make_ecne+0xf0/0xf0 [ 395.500723] ? process_measurement+0x805/0x14b0 [ 395.505385] sctp_datamsg_from_user+0x4d7/0xf30 [ 395.510048] ? mark_held_locks+0x130/0x130 [ 395.514283] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 395.518856] ? find_held_lock+0x36/0x1d0 [ 395.522917] ? sctp_clear_owner_w+0xf0/0xf0 [ 395.527234] ? lock_sock_nested+0xc5/0x100 [ 395.531456] ? lockdep_hardirqs_on+0x421/0x5c0 [ 395.536029] ? __local_bh_enable_ip+0x160/0x260 [ 395.540688] ? lock_sock_nested+0x82/0x100 [ 395.544909] ? trace_hardirqs_on+0x28/0x190 [ 395.549216] ? lock_sock_nested+0x82/0x100 [ 395.553457] ? lock_sock_nested+0x82/0x100 [ 395.557680] ? __local_bh_enable_ip+0x160/0x260 [ 395.562344] sctp_sendmsg+0xb80/0x1710 [ 395.566232] ? sctp_id2assoc+0x250/0x250 [ 395.570285] ? ___might_sleep+0x16b/0x270 [ 395.574429] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.579358] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 395.584282] inet_sendmsg+0x108/0x440 [ 395.588076] ? security_socket_sendmsg+0x4a/0x90 [ 395.592826] ? ipip_gro_receive+0xf0/0xf0 [ 395.596974] sock_sendmsg+0xb5/0xf0 [ 395.600597] sock_write_iter+0x1e9/0x3d0 [ 395.604647] ? sock_sendmsg+0xf0/0xf0 [ 395.608446] __vfs_write+0x4a3/0x970 [ 395.612167] ? lock_downgrade+0x7f0/0x7f0 [ 395.616305] ? kernel_read+0x130/0x130 [ 395.620187] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.625121] ? apparmor_file_permission+0x15/0x20 [ 395.629958] ? rw_verify_area+0xb8/0x2b0 [ 395.634010] vfs_write+0x150/0x4e0 [ 395.637568] ksys_write+0xcd/0x1b0 [ 395.641109] ? __ia32_sys_read+0xa0/0xa0 [ 395.645422] ? do_syscall_64+0x21/0x4d0 [ 395.649475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.654831] __x64_sys_write+0x6e/0xb0 [ 395.658716] do_syscall_64+0xd0/0x4d0 [ 395.662509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.667709] RIP: 0033:0x4592c9 [ 395.670900] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 395.689792] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 395.697497] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 395.704754] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 395.712015] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 395.719277] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 395.726535] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 395.734556] CPU: 0 PID: 12670 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 395.741743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.741747] Call Trace: [ 395.741759] dump_stack+0x113/0x167 [ 395.741771] should_fail.cold.4+0x5/0x13 [ 395.741780] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 395.766470] ? lock_downgrade+0x7f0/0x7f0 [ 395.770620] ? ___might_sleep+0x16b/0x270 [ 395.774770] __should_failslab+0xba/0xf0 [ 395.778822] should_failslab+0x9/0x14 [ 395.782612] kmem_cache_alloc_node+0x270/0x730 [ 395.787196] ? find_held_lock+0x36/0x1d0 [ 395.791344] __alloc_skb+0xa7/0x570 [ 395.794965] ? skb_scrub_packet+0x3a0/0x3a0 [ 395.794981] _sctp_make_chunk+0x3f/0x260 [ 395.794990] sctp_make_datafrag_empty+0x159/0x260 [ 395.794997] ? sctp_make_ecne+0xf0/0xf0 [ 395.795007] ? process_measurement+0x805/0x14b0 [ 395.795016] sctp_datamsg_from_user+0x4d7/0xf30 [ 395.812162] ? mark_held_locks+0x130/0x130 [ 395.812176] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 395.812184] ? find_held_lock+0x36/0x1d0 [ 395.812194] ? sctp_clear_owner_w+0xf0/0xf0 [ 395.812201] ? lock_sock_nested+0xc5/0x100 [ 395.842837] ? lockdep_hardirqs_on+0x421/0x5c0 [ 395.847408] ? __local_bh_enable_ip+0x160/0x260 [ 395.852070] ? lock_sock_nested+0x82/0x100 [ 395.856293] ? trace_hardirqs_on+0x28/0x190 [ 395.860609] ? lock_sock_nested+0x82/0x100 [ 395.864841] ? lock_sock_nested+0x82/0x100 [ 395.869079] ? __local_bh_enable_ip+0x160/0x260 [ 395.873748] sctp_sendmsg+0xb80/0x1710 [ 395.877634] ? sctp_id2assoc+0x250/0x250 [ 395.881691] ? ___might_sleep+0x16b/0x270 [ 395.885836] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.890766] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 395.895693] inet_sendmsg+0x108/0x440 [ 395.899486] ? security_socket_sendmsg+0x4a/0x90 [ 395.904235] ? ipip_gro_receive+0xf0/0xf0 [ 395.908373] sock_sendmsg+0xb5/0xf0 [ 395.911993] sock_write_iter+0x1e9/0x3d0 [ 395.916047] ? sock_sendmsg+0xf0/0xf0 [ 395.919852] __vfs_write+0x4a3/0x970 [ 395.923559] ? lock_downgrade+0x7f0/0x7f0 [ 395.927702] ? kernel_read+0x130/0x130 [ 395.931593] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 395.936529] ? apparmor_file_permission+0x15/0x20 [ 395.941365] ? rw_verify_area+0xb8/0x2b0 [ 395.945421] vfs_write+0x150/0x4e0 [ 395.948953] ksys_write+0xcd/0x1b0 [ 395.952486] ? __ia32_sys_read+0xa0/0xa0 [ 395.956539] ? do_syscall_64+0x21/0x4d0 [ 395.960504] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.965863] __x64_sys_write+0x6e/0xb0 [ 395.969743] do_syscall_64+0xd0/0x4d0 [ 395.973539] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.978715] RIP: 0033:0x4592c9 [ 395.981900] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 396.000819] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 396.008524] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 396.015782] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 396.023041] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 396.030310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 396.037576] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 396.044874] CPU: 1 PID: 12672 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 396.052073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.061521] Call Trace: [ 396.064108] dump_stack+0x113/0x167 [ 396.067739] should_fail.cold.4+0x5/0x13 [ 396.071799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 396.076904] ? lock_downgrade+0x7f0/0x7f0 [ 396.081055] ? ___might_sleep+0x16b/0x270 [ 396.085207] __should_failslab+0xba/0xf0 [ 396.089270] should_failslab+0x9/0x14 [ 396.093068] kmem_cache_alloc_trace+0x2d8/0x740 [ 396.097741] sctp_datamsg_from_user+0x7f/0xf30 [ 396.102318] ? kmem_cache_alloc_trace+0x353/0x740 [ 396.107160] ? sctp_sched_init_sid+0xf1/0x170 [ 396.107347] FAULT_INJECTION: forcing a failure. [ 396.107347] name failslab, interval 1, probability 0, space 0, times 0 [ 396.111663] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 396.111670] ? __lock_is_held+0xb5/0x140 [ 396.111676] ? find_held_lock+0x36/0x1d0 [ 396.111686] ? sctp_clear_owner_w+0xf0/0xf0 [ 396.139946] ? lock_sock_nested+0xc5/0x100 [ 396.144176] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.148744] ? __local_bh_enable_ip+0x160/0x260 [ 396.153401] ? lock_sock_nested+0x82/0x100 [ 396.157624] ? trace_hardirqs_on+0x28/0x190 [ 396.161937] ? lock_sock_nested+0x82/0x100 [ 396.166162] ? lock_sock_nested+0x82/0x100 [ 396.170390] ? __local_bh_enable_ip+0x160/0x260 [ 396.175055] sctp_sendmsg+0xb80/0x1710 [ 396.178938] ? sctp_id2assoc+0x250/0x250 [ 396.182991] ? ___might_sleep+0x16b/0x270 [ 396.187134] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.192056] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 396.196978] inet_sendmsg+0x108/0x440 [ 396.200768] ? security_socket_sendmsg+0x4a/0x90 [ 396.205525] ? ipip_gro_receive+0xf0/0xf0 [ 396.209664] sock_sendmsg+0xb5/0xf0 [ 396.213283] sock_write_iter+0x1e9/0x3d0 [ 396.217337] ? sock_sendmsg+0xf0/0xf0 [ 396.221139] __vfs_write+0x4a3/0x970 [ 396.224932] ? lock_downgrade+0x7f0/0x7f0 [ 396.229075] ? kernel_read+0x130/0x130 [ 396.232956] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.237881] ? apparmor_file_permission+0x15/0x20 [ 396.242719] ? rw_verify_area+0xb8/0x2b0 [ 396.246772] vfs_write+0x150/0x4e0 [ 396.250311] ksys_write+0xcd/0x1b0 [ 396.253841] ? __ia32_sys_read+0xa0/0xa0 [ 396.257891] ? do_syscall_64+0x21/0x4d0 [ 396.261856] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.267210] __x64_sys_write+0x6e/0xb0 [ 396.271091] do_syscall_64+0xd0/0x4d0 [ 396.274887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.280064] RIP: 0033:0x4592c9 [ 396.283246] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 396.302141] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 396.309840] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 396.317096] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 396.324351] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 396.331619] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 2019/06/15 21:34:32 executed programs: 1423 [ 396.338878] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 396.346153] CPU: 0 PID: 12689 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 396.353347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.362693] Call Trace: [ 396.362707] dump_stack+0x113/0x167 [ 396.362719] should_fail.cold.4+0x5/0x13 [ 396.362726] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 396.362732] ? lock_downgrade+0x7f0/0x7f0 [ 396.362740] ? ___might_sleep+0x16b/0x270 [ 396.362750] __should_failslab+0xba/0xf0 [ 396.390385] should_failslab+0x9/0x14 [ 396.390392] kmem_cache_alloc_node+0x270/0x730 [ 396.390401] ? find_held_lock+0x36/0x1d0 [ 396.390413] __alloc_skb+0xa7/0x570 [ 396.390420] ? skb_scrub_packet+0x3a0/0x3a0 [ 396.390434] _sctp_make_chunk+0x3f/0x260 [ 396.398793] sctp_make_datafrag_empty+0x159/0x260 [ 396.398800] ? sctp_make_ecne+0xf0/0xf0 [ 396.398810] ? process_measurement+0x805/0x14b0 [ 396.398820] sctp_datamsg_from_user+0x4d7/0xf30 [ 396.398829] ? mark_held_locks+0x130/0x130 [ 396.398840] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 396.398848] ? find_held_lock+0x36/0x1d0 [ 396.398858] ? sctp_clear_owner_w+0xf0/0xf0 [ 396.398864] ? lock_sock_nested+0xc5/0x100 [ 396.398869] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.398875] ? __local_bh_enable_ip+0x160/0x260 [ 396.398879] ? lock_sock_nested+0x82/0x100 [ 396.398884] ? trace_hardirqs_on+0x28/0x190 [ 396.398889] ? lock_sock_nested+0x82/0x100 [ 396.398894] ? lock_sock_nested+0x82/0x100 [ 396.398900] ? __local_bh_enable_ip+0x160/0x260 [ 396.398909] sctp_sendmsg+0xb80/0x1710 [ 396.398920] ? sctp_id2assoc+0x250/0x250 [ 396.398927] ? ___might_sleep+0x16b/0x270 [ 396.398938] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.398951] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 396.398961] inet_sendmsg+0x108/0x440 [ 396.398967] ? security_socket_sendmsg+0x4a/0x90 [ 396.398972] ? ipip_gro_receive+0xf0/0xf0 [ 396.410967] sock_sendmsg+0xb5/0xf0 [ 396.410975] sock_write_iter+0x1e9/0x3d0 [ 396.410982] ? sock_sendmsg+0xf0/0xf0 [ 396.411000] __vfs_write+0x4a3/0x970 [ 396.411006] ? lock_downgrade+0x7f0/0x7f0 [ 396.411012] ? kernel_read+0x130/0x130 [ 396.423912] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.423924] ? apparmor_file_permission+0x15/0x20 [ 396.423935] ? rw_verify_area+0xb8/0x2b0 [ 396.423943] vfs_write+0x150/0x4e0 [ 396.423951] ksys_write+0xcd/0x1b0 [ 396.423957] ? __ia32_sys_read+0xa0/0xa0 [ 396.437493] ? do_syscall_64+0x21/0x4d0 [ 396.437502] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.437512] __x64_sys_write+0x6e/0xb0 [ 396.437519] do_syscall_64+0xd0/0x4d0 [ 396.437527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.437533] RIP: 0033:0x4592c9 [ 396.437539] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 396.437543] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 396.437549] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 396.437552] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 396.437555] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 396.437558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 396.437566] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 396.519359] FAULT_INJECTION: forcing a failure. [ 396.519359] name failslab, interval 1, probability 0, space 0, times 0 [ 396.576269] FAULT_INJECTION: forcing a failure. [ 396.576269] name failslab, interval 1, probability 0, space 0, times 0 [ 396.596433] FAULT_INJECTION: forcing a failure. [ 396.596433] name failslab, interval 1, probability 0, space 0, times 0 [ 396.621292] CPU: 1 PID: 12697 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 396.699008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.708369] Call Trace: [ 396.710962] dump_stack+0x113/0x167 [ 396.714592] should_fail.cold.4+0x5/0x13 [ 396.718643] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 396.723738] ? lock_downgrade+0x7f0/0x7f0 [ 396.727885] ? ___might_sleep+0x16b/0x270 [ 396.732021] __should_failslab+0xba/0xf0 [ 396.736076] should_failslab+0x9/0x14 [ 396.739863] kmem_cache_alloc_node+0x270/0x730 [ 396.744434] ? find_held_lock+0x36/0x1d0 [ 396.748496] __alloc_skb+0xa7/0x570 [ 396.758977] ? skb_scrub_packet+0x3a0/0x3a0 [ 396.763297] _sctp_make_chunk+0x3f/0x260 [ 396.767384] sctp_make_datafrag_empty+0x159/0x260 [ 396.772219] ? sctp_make_ecne+0xf0/0xf0 [ 396.776191] ? process_measurement+0x805/0x14b0 [ 396.780857] sctp_datamsg_from_user+0x4d7/0xf30 [ 396.785536] ? mark_held_locks+0x130/0x130 [ 396.789767] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 396.794340] ? find_held_lock+0x36/0x1d0 [ 396.798395] ? sctp_clear_owner_w+0xf0/0xf0 [ 396.802708] ? lock_sock_nested+0xc5/0x100 [ 396.806954] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.811529] ? __local_bh_enable_ip+0x160/0x260 [ 396.816186] ? lock_sock_nested+0x82/0x100 [ 396.820419] ? trace_hardirqs_on+0x28/0x190 [ 396.824729] ? lock_sock_nested+0x82/0x100 [ 396.828959] ? lock_sock_nested+0x82/0x100 [ 396.833188] ? __local_bh_enable_ip+0x160/0x260 [ 396.837867] sctp_sendmsg+0xb80/0x1710 [ 396.841751] ? sctp_id2assoc+0x250/0x250 [ 396.845807] ? ___might_sleep+0x16b/0x270 [ 396.849954] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.854881] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 396.861316] inet_sendmsg+0x108/0x440 [ 396.865116] ? security_socket_sendmsg+0x4a/0x90 [ 396.869863] ? ipip_gro_receive+0xf0/0xf0 [ 396.874013] sock_sendmsg+0xb5/0xf0 [ 396.877639] sock_write_iter+0x1e9/0x3d0 [ 396.882992] ? sock_sendmsg+0xf0/0xf0 [ 396.887581] __vfs_write+0x4a3/0x970 [ 396.891283] ? lock_downgrade+0x7f0/0x7f0 [ 396.895418] ? kernel_read+0x130/0x130 [ 396.899303] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 396.904225] ? apparmor_file_permission+0x15/0x20 [ 396.909064] ? rw_verify_area+0xb8/0x2b0 [ 396.913117] vfs_write+0x150/0x4e0 [ 396.916648] ksys_write+0xcd/0x1b0 [ 396.920187] ? __ia32_sys_read+0xa0/0xa0 [ 396.924241] ? do_syscall_64+0x21/0x4d0 [ 396.928641] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.933996] __x64_sys_write+0x6e/0xb0 [ 396.937879] do_syscall_64+0xd0/0x4d0 [ 396.941670] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.946847] RIP: 0033:0x4592c9 [ 396.950027] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 396.968921] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 396.976621] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 396.983884] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 396.991229] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 396.998494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 397.005749] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 397.013028] CPU: 0 PID: 12702 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 397.020225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.029581] Call Trace: [ 397.032169] dump_stack+0x113/0x167 [ 397.035791] should_fail.cold.4+0x5/0x13 [ 397.039848] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 397.044950] ? lock_downgrade+0x7f0/0x7f0 [ 397.049098] ? ___might_sleep+0x16b/0x270 [ 397.053252] __should_failslab+0xba/0xf0 [ 397.057308] should_failslab+0x9/0x14 [ 397.057314] kmem_cache_alloc_node+0x270/0x730 [ 397.057321] ? find_held_lock+0x36/0x1d0 [ 397.057335] __alloc_skb+0xa7/0x570 [ 397.057342] ? skb_scrub_packet+0x3a0/0x3a0 [ 397.057356] _sctp_make_chunk+0x3f/0x260 [ 397.057364] sctp_make_datafrag_empty+0x159/0x260 [ 397.057372] ? sctp_make_ecne+0xf0/0xf0 [ 397.057381] ? process_measurement+0x805/0x14b0 [ 397.065754] sctp_datamsg_from_user+0x4d7/0xf30 [ 397.065763] ? mark_held_locks+0x130/0x130 [ 397.065783] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 397.065795] ? find_held_lock+0x36/0x1d0 [ 397.107753] FAULT_INJECTION: forcing a failure. [ 397.107753] name failslab, interval 1, probability 0, space 0, times 0 [ 397.108676] ? sctp_clear_owner_w+0xf0/0xf0 [ 397.128202] ? lock_sock_nested+0xc5/0x100 [ 397.132434] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.137013] ? __local_bh_enable_ip+0x160/0x260 [ 397.141673] ? lock_sock_nested+0x82/0x100 [ 397.145897] ? trace_hardirqs_on+0x28/0x190 [ 397.150217] ? lock_sock_nested+0x82/0x100 [ 397.154439] ? lock_sock_nested+0x82/0x100 [ 397.158661] ? __local_bh_enable_ip+0x160/0x260 [ 397.163339] sctp_sendmsg+0xb80/0x1710 [ 397.167225] ? sctp_id2assoc+0x250/0x250 [ 397.171284] ? ___might_sleep+0x16b/0x270 [ 397.175433] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.180371] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 397.185294] inet_sendmsg+0x108/0x440 [ 397.189101] ? security_socket_sendmsg+0x4a/0x90 [ 397.193846] ? ipip_gro_receive+0xf0/0xf0 [ 397.197989] sock_sendmsg+0xb5/0xf0 [ 397.201607] sock_write_iter+0x1e9/0x3d0 [ 397.205656] ? sock_sendmsg+0xf0/0xf0 [ 397.209459] __vfs_write+0x4a3/0x970 [ 397.213165] ? lock_downgrade+0x7f0/0x7f0 [ 397.217311] ? kernel_read+0x130/0x130 [ 397.221191] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.226115] ? apparmor_file_permission+0x15/0x20 [ 397.230950] ? rw_verify_area+0xb8/0x2b0 [ 397.235006] vfs_write+0x150/0x4e0 [ 397.238542] ksys_write+0xcd/0x1b0 [ 397.242075] ? __ia32_sys_read+0xa0/0xa0 [ 397.246127] ? do_syscall_64+0x21/0x4d0 [ 397.250092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.255452] __x64_sys_write+0x6e/0xb0 [ 397.259356] do_syscall_64+0xd0/0x4d0 [ 397.263179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.268450] RIP: 0033:0x4592c9 [ 397.271633] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 397.290703] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 397.298403] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 397.305663] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 397.312923] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 397.320184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 397.327445] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 397.334723] CPU: 1 PID: 12704 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 397.341914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.351261] Call Trace: [ 397.353848] dump_stack+0x113/0x167 [ 397.357477] should_fail.cold.4+0x5/0x13 [ 397.361540] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 397.366649] ? lock_downgrade+0x7f0/0x7f0 [ 397.370794] ? ___might_sleep+0x16b/0x270 [ 397.374944] __should_failslab+0xba/0xf0 [ 397.379002] should_failslab+0x9/0x14 [ 397.382819] kmem_cache_alloc_node+0x270/0x730 [ 397.387405] __alloc_skb+0xa7/0x570 [ 397.391021] ? skb_scrub_packet+0x3a0/0x3a0 [ 397.395341] _sctp_make_chunk+0x3f/0x260 [ 397.399393] sctp_make_datafrag_empty+0x159/0x260 [ 397.404245] ? sctp_make_ecne+0xf0/0xf0 [ 397.408216] sctp_datamsg_from_user+0x4d7/0xf30 [ 397.412876] ? mark_held_locks+0x130/0x130 [ 397.417107] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 397.421680] ? __lock_is_held+0xb5/0x140 [ 397.425733] ? find_held_lock+0x36/0x1d0 [ 397.429795] ? sctp_clear_owner_w+0xf0/0xf0 [ 397.434108] ? lock_sock_nested+0xc5/0x100 [ 397.438328] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.442896] ? __local_bh_enable_ip+0x160/0x260 [ 397.447573] ? lock_sock_nested+0x82/0x100 [ 397.451796] ? trace_hardirqs_on+0x28/0x190 [ 397.456109] ? lock_sock_nested+0x82/0x100 [ 397.460335] ? lock_sock_nested+0x82/0x100 [ 397.464564] ? __local_bh_enable_ip+0x160/0x260 [ 397.469232] sctp_sendmsg+0xb80/0x1710 [ 397.473115] ? sctp_id2assoc+0x250/0x250 [ 397.477177] ? ___might_sleep+0x16b/0x270 [ 397.481321] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.486244] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 397.491164] inet_sendmsg+0x108/0x440 [ 397.494956] ? security_socket_sendmsg+0x4a/0x90 [ 397.499706] ? ipip_gro_receive+0xf0/0xf0 [ 397.503848] sock_sendmsg+0xb5/0xf0 [ 397.507466] sock_write_iter+0x1e9/0x3d0 [ 397.511603] ? sock_sendmsg+0xf0/0xf0 [ 397.515407] __vfs_write+0x4a3/0x970 [ 397.519907] ? lock_downgrade+0x7f0/0x7f0 [ 397.524044] ? kernel_read+0x130/0x130 [ 397.527923] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.532848] ? apparmor_file_permission+0x15/0x20 [ 397.537681] ? rw_verify_area+0xb8/0x2b0 [ 397.541731] vfs_write+0x150/0x4e0 [ 397.545266] ksys_write+0xcd/0x1b0 [ 397.548794] ? __ia32_sys_read+0xa0/0xa0 [ 397.552856] ? do_syscall_64+0x21/0x4d0 [ 397.556835] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.562187] __x64_sys_write+0x6e/0xb0 [ 397.566069] do_syscall_64+0xd0/0x4d0 [ 397.569861] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.575046] RIP: 0033:0x4592c9 [ 397.578226] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 397.597121] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 397.605027] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 397.612298] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 397.619554] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 397.626815] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 397.634077] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 397.641365] CPU: 0 PID: 12701 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 397.648554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.648557] Call Trace: [ 397.648571] dump_stack+0x113/0x167 [ 397.648582] should_fail.cold.4+0x5/0x13 [ 397.648591] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 397.673554] ? lock_downgrade+0x7f0/0x7f0 [ 397.677702] ? ___might_sleep+0x16b/0x270 [ 397.681852] __should_failslab+0xba/0xf0 [ 397.685914] should_failslab+0x9/0x14 [ 397.689714] kmem_cache_alloc_node+0x270/0x730 [ 397.689721] ? find_held_lock+0x36/0x1d0 [ 397.689734] __alloc_skb+0xa7/0x570 [ 397.689741] ? skb_scrub_packet+0x3a0/0x3a0 [ 397.698395] _sctp_make_chunk+0x3f/0x260 [ 397.698405] sctp_make_datafrag_empty+0x159/0x260 [ 397.698412] ? sctp_make_ecne+0xf0/0xf0 [ 397.698423] ? process_measurement+0x805/0x14b0 [ 397.698432] sctp_datamsg_from_user+0x4d7/0xf30 [ 397.698440] ? mark_held_locks+0x130/0x130 [ 397.698451] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 397.698459] ? find_held_lock+0x36/0x1d0 [ 397.698469] ? sctp_clear_owner_w+0xf0/0xf0 [ 397.698476] ? lock_sock_nested+0xc5/0x100 [ 397.698481] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.698488] ? __local_bh_enable_ip+0x160/0x260 [ 397.698492] ? lock_sock_nested+0x82/0x100 [ 397.698497] ? trace_hardirqs_on+0x28/0x190 [ 397.698502] ? lock_sock_nested+0x82/0x100 [ 397.698506] ? lock_sock_nested+0x82/0x100 [ 397.698512] ? __local_bh_enable_ip+0x160/0x260 [ 397.698521] sctp_sendmsg+0xb80/0x1710 [ 397.706454] ? sctp_id2assoc+0x250/0x250 [ 397.751100] ? ___might_sleep+0x16b/0x270 [ 397.760323] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.760336] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 397.760346] inet_sendmsg+0x108/0x440 [ 397.760353] ? security_socket_sendmsg+0x4a/0x90 [ 397.760358] ? ipip_gro_receive+0xf0/0xf0 [ 397.760366] sock_sendmsg+0xb5/0xf0 [ 397.760372] sock_write_iter+0x1e9/0x3d0 [ 397.760379] ? sock_sendmsg+0xf0/0xf0 [ 397.760396] __vfs_write+0x4a3/0x970 [ 397.760403] ? lock_downgrade+0x7f0/0x7f0 [ 397.760409] ? kernel_read+0x130/0x130 [ 397.760418] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 397.768795] FAULT_INJECTION: forcing a failure. [ 397.768795] name failslab, interval 1, probability 0, space 0, times 0 [ 397.768948] ? apparmor_file_permission+0x15/0x20 [ 397.860920] ? rw_verify_area+0xb8/0x2b0 [ 397.864981] vfs_write+0x150/0x4e0 [ 397.868518] ksys_write+0xcd/0x1b0 [ 397.872057] ? __ia32_sys_read+0xa0/0xa0 [ 397.876124] ? do_syscall_64+0x21/0x4d0 [ 397.880102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.885470] __x64_sys_write+0x6e/0xb0 [ 397.889354] do_syscall_64+0xd0/0x4d0 [ 397.893155] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.898338] RIP: 0033:0x4592c9 [ 397.901526] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 397.914322] FAULT_INJECTION: forcing a failure. [ 397.914322] name failslab, interval 1, probability 0, space 0, times 0 [ 397.920419] RSP: 002b:00007faae420fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 397.920426] RAX: ffffffffffffffda RBX: 00007faae420fc90 RCX: 00000000004592c9 [ 397.920429] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 397.920432] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 397.920435] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42106d4 [ 397.920439] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 397.944889] CPU: 1 PID: 12714 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 397.961369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.961373] Call Trace: [ 397.961387] dump_stack+0x113/0x167 [ 397.961399] should_fail.cold.4+0x5/0x13 [ 397.984112] FAULT_INJECTION: forcing a failure. [ 397.984112] name failslab, interval 1, probability 0, space 0, times 0 [ 397.992438] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 397.992446] ? lock_downgrade+0x7f0/0x7f0 [ 397.992455] ? ___might_sleep+0x16b/0x270 [ 397.992465] __should_failslab+0xba/0xf0 [ 397.992473] should_failslab+0x9/0x14 [ 397.992478] kmem_cache_alloc_node+0x270/0x730 [ 398.039596] ? find_held_lock+0x36/0x1d0 [ 398.043653] __alloc_skb+0xa7/0x570 [ 398.047272] ? skb_scrub_packet+0x3a0/0x3a0 [ 398.051593] _sctp_make_chunk+0x3f/0x260 [ 398.055647] sctp_make_datafrag_empty+0x159/0x260 [ 398.060486] ? sctp_make_ecne+0xf0/0xf0 [ 398.064460] ? process_measurement+0x805/0x14b0 [ 398.069126] sctp_datamsg_from_user+0x4d7/0xf30 [ 398.073786] ? mark_held_locks+0x130/0x130 [ 398.078019] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 398.082592] ? find_held_lock+0x36/0x1d0 [ 398.086644] ? sctp_clear_owner_w+0xf0/0xf0 [ 398.090954] ? lock_sock_nested+0xc5/0x100 [ 398.095179] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.099752] ? __local_bh_enable_ip+0x160/0x260 [ 398.104410] ? lock_sock_nested+0x82/0x100 [ 398.108636] ? trace_hardirqs_on+0x28/0x190 [ 398.112942] ? lock_sock_nested+0x82/0x100 [ 398.117167] ? lock_sock_nested+0x82/0x100 [ 398.121394] ? __local_bh_enable_ip+0x160/0x260 [ 398.126062] sctp_sendmsg+0xb80/0x1710 [ 398.129947] ? sctp_id2assoc+0x250/0x250 [ 398.133996] ? ___might_sleep+0x16b/0x270 [ 398.138137] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.143066] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 398.147995] inet_sendmsg+0x108/0x440 [ 398.151789] ? security_socket_sendmsg+0x4a/0x90 [ 398.156544] ? ipip_gro_receive+0xf0/0xf0 [ 398.160685] sock_sendmsg+0xb5/0xf0 [ 398.164393] sock_write_iter+0x1e9/0x3d0 [ 398.168775] ? sock_sendmsg+0xf0/0xf0 [ 398.172587] __vfs_write+0x4a3/0x970 [ 398.176297] ? lock_downgrade+0x7f0/0x7f0 [ 398.180437] ? kernel_read+0x130/0x130 [ 398.184324] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.189257] ? apparmor_file_permission+0x15/0x20 [ 398.194091] ? rw_verify_area+0xb8/0x2b0 [ 398.198146] vfs_write+0x150/0x4e0 [ 398.201677] ksys_write+0xcd/0x1b0 [ 398.205228] ? __ia32_sys_read+0xa0/0xa0 [ 398.209283] ? do_syscall_64+0x21/0x4d0 [ 398.213254] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.218608] __x64_sys_write+0x6e/0xb0 [ 398.222489] do_syscall_64+0xd0/0x4d0 [ 398.226282] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.231459] RIP: 0033:0x4592c9 [ 398.234642] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 398.253532] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.261403] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 398.268843] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 398.276100] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 398.283356] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 398.290616] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 398.297891] CPU: 0 PID: 12728 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 398.305084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.314430] Call Trace: [ 398.317014] dump_stack+0x113/0x167 [ 398.320651] should_fail.cold.4+0x5/0x13 [ 398.324715] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 398.329811] ? lock_downgrade+0x7f0/0x7f0 [ 398.333954] ? ___might_sleep+0x16b/0x270 [ 398.338097] __should_failslab+0xba/0xf0 [ 398.342148] should_failslab+0x9/0x14 [ 398.345940] kmem_cache_alloc_node+0x270/0x730 [ 398.350519] ? find_held_lock+0x36/0x1d0 [ 398.354583] __alloc_skb+0xa7/0x570 [ 398.358207] ? skb_scrub_packet+0x3a0/0x3a0 [ 398.362531] _sctp_make_chunk+0x3f/0x260 [ 398.366592] sctp_make_datafrag_empty+0x159/0x260 [ 398.371433] ? sctp_make_ecne+0xf0/0xf0 [ 398.375404] ? process_measurement+0x805/0x14b0 [ 398.380069] sctp_datamsg_from_user+0x4d7/0xf30 [ 398.384734] ? mark_held_locks+0x130/0x130 [ 398.386294] FAULT_INJECTION: forcing a failure. [ 398.386294] name failslab, interval 1, probability 0, space 0, times 0 [ 398.388967] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 398.388975] ? find_held_lock+0x36/0x1d0 [ 398.388986] ? sctp_clear_owner_w+0xf0/0xf0 [ 398.388992] ? lock_sock_nested+0xc5/0x100 [ 398.388998] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.389005] ? __local_bh_enable_ip+0x160/0x260 [ 398.389009] ? lock_sock_nested+0x82/0x100 [ 398.389015] ? trace_hardirqs_on+0x28/0x190 [ 398.389018] ? lock_sock_nested+0x82/0x100 [ 398.389023] ? lock_sock_nested+0x82/0x100 [ 398.389029] ? __local_bh_enable_ip+0x160/0x260 [ 398.389039] sctp_sendmsg+0xb80/0x1710 [ 398.389051] ? sctp_id2assoc+0x250/0x250 [ 398.389058] ? ___might_sleep+0x16b/0x270 [ 398.389069] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.465232] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 398.470172] inet_sendmsg+0x108/0x440 [ 398.473962] ? security_socket_sendmsg+0x4a/0x90 [ 398.478712] ? ipip_gro_receive+0xf0/0xf0 [ 398.482853] sock_sendmsg+0xb5/0xf0 [ 398.486505] sock_write_iter+0x1e9/0x3d0 [ 398.490564] ? sock_sendmsg+0xf0/0xf0 [ 398.494368] __vfs_write+0x4a3/0x970 [ 398.498075] ? lock_downgrade+0x7f0/0x7f0 [ 398.502220] ? kernel_read+0x130/0x130 [ 398.506103] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.511032] ? apparmor_file_permission+0x15/0x20 [ 398.515875] ? rw_verify_area+0xb8/0x2b0 [ 398.519938] vfs_write+0x150/0x4e0 [ 398.523474] ksys_write+0xcd/0x1b0 [ 398.527009] ? __ia32_sys_read+0xa0/0xa0 [ 398.531060] ? do_syscall_64+0x21/0x4d0 [ 398.535028] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.540388] __x64_sys_write+0x6e/0xb0 [ 398.544275] do_syscall_64+0xd0/0x4d0 [ 398.548080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.553265] RIP: 0033:0x4592c9 [ 398.556451] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 398.575349] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.583061] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 398.590344] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 398.597609] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 398.604877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 398.612137] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 398.619419] CPU: 1 PID: 12731 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 398.626614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.635967] Call Trace: [ 398.638587] dump_stack+0x113/0x167 [ 398.642220] should_fail.cold.4+0x5/0x13 [ 398.646277] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 398.651371] ? lock_downgrade+0x7f0/0x7f0 [ 398.655508] ? ___might_sleep+0x16b/0x270 [ 398.659652] __should_failslab+0xba/0xf0 [ 398.663704] should_failslab+0x9/0x14 [ 398.667495] kmem_cache_alloc_node+0x270/0x730 [ 398.672065] ? find_held_lock+0x36/0x1d0 [ 398.676125] __alloc_skb+0xa7/0x570 [ 398.679743] ? skb_scrub_packet+0x3a0/0x3a0 [ 398.684064] _sctp_make_chunk+0x3f/0x260 [ 398.688118] sctp_make_datafrag_empty+0x159/0x260 [ 398.692951] ? sctp_make_ecne+0xf0/0xf0 [ 398.696919] ? process_measurement+0x805/0x14b0 [ 398.701586] sctp_datamsg_from_user+0x4d7/0xf30 [ 398.706250] ? mark_held_locks+0x130/0x130 [ 398.710479] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 398.715055] ? find_held_lock+0x36/0x1d0 [ 398.719116] ? sctp_clear_owner_w+0xf0/0xf0 [ 398.723525] ? lock_sock_nested+0xc5/0x100 [ 398.727748] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.732321] ? __local_bh_enable_ip+0x160/0x260 [ 398.736979] ? lock_sock_nested+0x82/0x100 [ 398.741210] ? trace_hardirqs_on+0x28/0x190 [ 398.745524] ? lock_sock_nested+0x82/0x100 [ 398.749857] ? lock_sock_nested+0x82/0x100 [ 398.757261] ? __local_bh_enable_ip+0x160/0x260 [ 398.762552] sctp_sendmsg+0xb80/0x1710 [ 398.766435] ? sctp_id2assoc+0x250/0x250 [ 398.770504] ? ___might_sleep+0x16b/0x270 [ 398.774644] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.779573] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 398.784498] inet_sendmsg+0x108/0x440 [ 398.788286] ? security_socket_sendmsg+0x4a/0x90 [ 398.793031] ? ipip_gro_receive+0xf0/0xf0 [ 398.797172] sock_sendmsg+0xb5/0xf0 [ 398.800787] sock_write_iter+0x1e9/0x3d0 [ 398.804840] ? sock_sendmsg+0xf0/0xf0 [ 398.808641] __vfs_write+0x4a3/0x970 [ 398.812345] ? lock_downgrade+0x7f0/0x7f0 [ 398.816482] ? kernel_read+0x130/0x130 [ 398.820372] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 398.825295] ? apparmor_file_permission+0x15/0x20 [ 398.830130] ? rw_verify_area+0xb8/0x2b0 [ 398.834183] vfs_write+0x150/0x4e0 [ 398.837717] ksys_write+0xcd/0x1b0 [ 398.841246] ? __ia32_sys_read+0xa0/0xa0 [ 398.845311] ? do_syscall_64+0x21/0x4d0 [ 398.849280] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.854632] __x64_sys_write+0x6e/0xb0 [ 398.858513] do_syscall_64+0xd0/0x4d0 [ 398.863829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.869013] RIP: 0033:0x4592c9 [ 398.872205] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 398.891100] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.898793] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 398.906058] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 398.913313] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 398.920571] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 398.927857] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 398.935138] CPU: 0 PID: 12723 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 398.948524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.948527] Call Trace: [ 398.948540] dump_stack+0x113/0x167 [ 398.948552] should_fail.cold.4+0x5/0x13 [ 398.948560] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 398.948567] ? lock_downgrade+0x7f0/0x7f0 [ 398.948575] ? ___might_sleep+0x16b/0x270 [ 398.948585] __should_failslab+0xba/0xf0 [ 398.986128] should_failslab+0x9/0x14 [ 398.989924] kmem_cache_alloc_trace+0x2d8/0x740 [ 398.989940] sctp_datamsg_from_user+0x7f/0xf30 [ 398.989944] ? kmem_cache_alloc_trace+0x353/0x740 [ 398.989953] ? sctp_sched_init_sid+0xf1/0x170 [ 398.989966] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 398.989972] ? __lock_is_held+0xb5/0x140 [ 399.017126] ? find_held_lock+0x36/0x1d0 [ 399.017139] ? sctp_clear_owner_w+0xf0/0xf0 [ 399.017146] ? lock_sock_nested+0xc5/0x100 [ 399.017152] ? lockdep_hardirqs_on+0x421/0x5c0 [ 399.017158] ? __local_bh_enable_ip+0x160/0x260 [ 399.017162] ? lock_sock_nested+0x82/0x100 [ 399.017168] ? trace_hardirqs_on+0x28/0x190 [ 399.017172] ? lock_sock_nested+0x82/0x100 [ 399.017177] ? lock_sock_nested+0x82/0x100 [ 399.017184] ? __local_bh_enable_ip+0x160/0x260 [ 399.017193] sctp_sendmsg+0xb80/0x1710 [ 399.025563] ? sctp_id2assoc+0x250/0x250 [ 399.040832] FAULT_INJECTION: forcing a failure. [ 399.040832] name failslab, interval 1, probability 0, space 0, times 0 [ 399.043221] ? ___might_sleep+0x16b/0x270 [ 399.043233] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.043248] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 399.043258] inet_sendmsg+0x108/0x440 [ 399.043265] ? security_socket_sendmsg+0x4a/0x90 [ 399.043270] ? ipip_gro_receive+0xf0/0xf0 [ 399.043278] sock_sendmsg+0xb5/0xf0 [ 399.043285] sock_write_iter+0x1e9/0x3d0 [ 399.114019] ? sock_sendmsg+0xf0/0xf0 [ 399.117829] __vfs_write+0x4a3/0x970 [ 399.121548] ? lock_downgrade+0x7f0/0x7f0 [ 399.125697] ? kernel_read+0x130/0x130 [ 399.129584] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.134518] ? apparmor_file_permission+0x15/0x20 [ 399.139353] ? rw_verify_area+0xb8/0x2b0 [ 399.143447] vfs_write+0x150/0x4e0 [ 399.146985] ksys_write+0xcd/0x1b0 [ 399.150544] ? __ia32_sys_read+0xa0/0xa0 [ 399.154600] ? do_syscall_64+0x21/0x4d0 [ 399.158571] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.163929] __x64_sys_write+0x6e/0xb0 [ 399.167812] do_syscall_64+0xd0/0x4d0 [ 399.171609] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.176789] RIP: 0033:0x4592c9 [ 399.179976] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 399.190967] FAULT_INJECTION: forcing a failure. [ 399.190967] name failslab, interval 1, probability 0, space 0, times 0 [ 399.198873] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.198880] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 399.198883] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 399.198886] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 399.198890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 399.198893] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 399.224418] CPU: 0 PID: 12737 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 399.232529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.271156] Call Trace: [ 399.271169] dump_stack+0x113/0x167 [ 399.271182] should_fail.cold.4+0x5/0x13 [ 399.271190] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 399.271197] ? lock_downgrade+0x7f0/0x7f0 [ 399.271206] ? ___might_sleep+0x16b/0x270 [ 399.271216] __should_failslab+0xba/0xf0 [ 399.271223] should_failslab+0x9/0x14 [ 399.271228] kmem_cache_alloc_node+0x270/0x730 [ 399.271234] ? find_held_lock+0x36/0x1d0 [ 399.271247] __alloc_skb+0xa7/0x570 [ 399.271254] ? skb_scrub_packet+0x3a0/0x3a0 [ 399.271268] _sctp_make_chunk+0x3f/0x260 [ 399.271277] sctp_make_datafrag_empty+0x159/0x260 [ 399.271284] ? sctp_make_ecne+0xf0/0xf0 [ 399.271294] ? process_measurement+0x805/0x14b0 [ 399.271311] sctp_datamsg_from_user+0x4d7/0xf30 [ 399.281555] ? mark_held_locks+0x130/0x130 [ 399.281569] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 399.281577] ? find_held_lock+0x36/0x1d0 [ 399.281588] ? sctp_clear_owner_w+0xf0/0xf0 [ 399.281594] ? lock_sock_nested+0xc5/0x100 [ 399.281599] ? lockdep_hardirqs_on+0x421/0x5c0 [ 399.281605] ? __local_bh_enable_ip+0x160/0x260 [ 399.281610] ? lock_sock_nested+0x82/0x100 [ 399.290831] ? trace_hardirqs_on+0x28/0x190 [ 399.290836] ? lock_sock_nested+0x82/0x100 [ 399.290841] ? lock_sock_nested+0x82/0x100 [ 399.290849] ? __local_bh_enable_ip+0x160/0x260 [ 399.290860] sctp_sendmsg+0xb80/0x1710 [ 399.290872] ? sctp_id2assoc+0x250/0x250 [ 399.290879] ? ___might_sleep+0x16b/0x270 [ 399.290889] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.299074] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 399.299084] inet_sendmsg+0x108/0x440 [ 399.299091] ? security_socket_sendmsg+0x4a/0x90 [ 399.299097] ? ipip_gro_receive+0xf0/0xf0 [ 399.299105] sock_sendmsg+0xb5/0xf0 [ 399.299112] sock_write_iter+0x1e9/0x3d0 [ 399.299119] ? sock_sendmsg+0xf0/0xf0 [ 399.299137] __vfs_write+0x4a3/0x970 [ 399.299143] ? lock_downgrade+0x7f0/0x7f0 [ 399.299148] ? kernel_read+0x130/0x130 [ 399.299156] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.299166] ? apparmor_file_permission+0x15/0x20 [ 399.299175] ? rw_verify_area+0xb8/0x2b0 [ 399.299183] vfs_write+0x150/0x4e0 [ 399.299191] ksys_write+0xcd/0x1b0 [ 399.307543] ? __ia32_sys_read+0xa0/0xa0 [ 399.307552] ? do_syscall_64+0x21/0x4d0 [ 399.307561] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.307570] __x64_sys_write+0x6e/0xb0 [ 399.307577] do_syscall_64+0xd0/0x4d0 [ 399.307585] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.307590] RIP: 0033:0x4592c9 [ 399.307596] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 399.307600] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.307606] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 399.307610] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 399.307613] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 399.307616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 399.307619] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 399.401937] FAULT_INJECTION: forcing a failure. [ 399.401937] name failslab, interval 1, probability 0, space 0, times 0 [ 399.423847] CPU: 1 PID: 12747 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 399.435893] FAULT_INJECTION: forcing a failure. [ 399.435893] name failslab, interval 1, probability 0, space 0, times 0 [ 399.437190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.437194] Call Trace: [ 399.437208] dump_stack+0x113/0x167 [ 399.437220] should_fail.cold.4+0x5/0x13 [ 399.437228] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 399.437234] ? lock_downgrade+0x7f0/0x7f0 [ 399.437242] ? ___might_sleep+0x16b/0x270 [ 399.628878] __should_failslab+0xba/0xf0 [ 399.632937] should_failslab+0x9/0x14 [ 399.636732] kmem_cache_alloc_node+0x270/0x730 [ 399.641304] ? find_held_lock+0x36/0x1d0 [ 399.645361] __alloc_skb+0xa7/0x570 [ 399.648979] ? skb_scrub_packet+0x3a0/0x3a0 [ 399.653298] _sctp_make_chunk+0x3f/0x260 [ 399.657350] sctp_make_datafrag_empty+0x159/0x260 [ 399.662195] ? sctp_make_ecne+0xf0/0xf0 [ 399.666161] ? process_measurement+0x805/0x14b0 [ 399.670826] sctp_datamsg_from_user+0x4d7/0xf30 [ 399.675493] ? mark_held_locks+0x130/0x130 [ 399.679729] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 399.684304] ? find_held_lock+0x36/0x1d0 [ 399.688369] ? sctp_clear_owner_w+0xf0/0xf0 [ 399.692678] ? lock_sock_nested+0xc5/0x100 [ 399.696899] ? lockdep_hardirqs_on+0x421/0x5c0 [ 399.701472] ? __local_bh_enable_ip+0x160/0x260 [ 399.706137] ? lock_sock_nested+0x82/0x100 [ 399.710359] ? trace_hardirqs_on+0x28/0x190 [ 399.714755] ? lock_sock_nested+0x82/0x100 [ 399.718980] ? lock_sock_nested+0x82/0x100 [ 399.723230] ? __local_bh_enable_ip+0x160/0x260 [ 399.728644] sctp_sendmsg+0xb80/0x1710 [ 399.732525] ? sctp_id2assoc+0x250/0x250 [ 399.736579] ? ___might_sleep+0x16b/0x270 [ 399.740721] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.745646] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 399.750567] inet_sendmsg+0x108/0x440 [ 399.754356] ? security_socket_sendmsg+0x4a/0x90 [ 399.759101] ? ipip_gro_receive+0xf0/0xf0 [ 399.763243] sock_sendmsg+0xb5/0xf0 [ 399.766861] sock_write_iter+0x1e9/0x3d0 [ 399.770913] ? sock_sendmsg+0xf0/0xf0 [ 399.774716] __vfs_write+0x4a3/0x970 [ 399.778425] ? lock_downgrade+0x7f0/0x7f0 [ 399.782568] ? kernel_read+0x130/0x130 [ 399.786451] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 399.791376] ? apparmor_file_permission+0x15/0x20 [ 399.796209] ? rw_verify_area+0xb8/0x2b0 [ 399.800262] vfs_write+0x150/0x4e0 [ 399.803792] ksys_write+0xcd/0x1b0 [ 399.807326] ? __ia32_sys_read+0xa0/0xa0 [ 399.811384] ? do_syscall_64+0x21/0x4d0 [ 399.815351] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.820712] __x64_sys_write+0x6e/0xb0 [ 399.824589] do_syscall_64+0xd0/0x4d0 [ 399.828381] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.833561] RIP: 0033:0x4592c9 [ 399.836741] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 399.855641] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.863860] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 399.871123] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 399.878380] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 399.885641] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 399.892898] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 399.900197] CPU: 0 PID: 12756 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 399.901177] FAULT_INJECTION: forcing a failure. [ 399.901177] name failslab, interval 1, probability 0, space 0, times 0 [ 399.907396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.907399] Call Trace: [ 399.907412] dump_stack+0x113/0x167 [ 399.907423] should_fail.cold.4+0x5/0x13 [ 399.907433] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 399.943285] ? lock_downgrade+0x7f0/0x7f0 [ 399.947432] ? ___might_sleep+0x16b/0x270 [ 399.951579] __should_failslab+0xba/0xf0 [ 399.955637] should_failslab+0x9/0x14 [ 399.959428] kmem_cache_alloc_node+0x270/0x730 [ 399.964001] ? find_held_lock+0x36/0x1d0 [ 399.968059] __alloc_skb+0xa7/0x570 [ 399.971681] ? skb_scrub_packet+0x3a0/0x3a0 [ 399.976167] _sctp_make_chunk+0x3f/0x260 [ 399.980223] sctp_make_datafrag_empty+0x159/0x260 [ 399.985057] ? sctp_make_ecne+0xf0/0xf0 [ 399.989027] ? process_measurement+0x805/0x14b0 [ 399.993693] sctp_datamsg_from_user+0x4d7/0xf30 [ 399.998356] ? mark_held_locks+0x130/0x130 [ 400.002588] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 400.007160] ? find_held_lock+0x36/0x1d0 [ 400.007172] ? sctp_clear_owner_w+0xf0/0xf0 [ 400.007180] ? lock_sock_nested+0xc5/0x100 [ 400.007186] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.007192] ? __local_bh_enable_ip+0x160/0x260 [ 400.007196] ? lock_sock_nested+0x82/0x100 [ 400.007201] ? trace_hardirqs_on+0x28/0x190 [ 400.007206] ? lock_sock_nested+0x82/0x100 [ 400.007210] ? lock_sock_nested+0x82/0x100 [ 400.007216] ? __local_bh_enable_ip+0x160/0x260 [ 400.007225] sctp_sendmsg+0xb80/0x1710 [ 400.007235] ? sctp_id2assoc+0x250/0x250 [ 400.007243] ? ___might_sleep+0x16b/0x270 [ 400.007254] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.007268] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 400.007277] inet_sendmsg+0x108/0x440 [ 400.007283] ? security_socket_sendmsg+0x4a/0x90 [ 400.007289] ? ipip_gro_receive+0xf0/0xf0 [ 400.007296] sock_sendmsg+0xb5/0xf0 [ 400.007310] sock_write_iter+0x1e9/0x3d0 [ 400.007317] ? sock_sendmsg+0xf0/0xf0 [ 400.007334] __vfs_write+0x4a3/0x970 [ 400.024463] ? lock_downgrade+0x7f0/0x7f0 [ 400.024470] ? kernel_read+0x130/0x130 [ 400.024478] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.024489] ? apparmor_file_permission+0x15/0x20 [ 400.041876] ? rw_verify_area+0xb8/0x2b0 [ 400.041885] vfs_write+0x150/0x4e0 [ 400.041893] ksys_write+0xcd/0x1b0 [ 400.041900] ? __ia32_sys_read+0xa0/0xa0 [ 400.041909] ? do_syscall_64+0x21/0x4d0 [ 400.041917] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.050795] __x64_sys_write+0x6e/0xb0 [ 400.146687] do_syscall_64+0xd0/0x4d0 [ 400.150489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.155666] RIP: 0033:0x4592c9 [ 400.158848] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 400.177747] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 400.185483] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 400.192743] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 400.200002] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 400.207262] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 400.214523] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 400.221881] CPU: 1 PID: 12758 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 400.229175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.238540] Call Trace: [ 400.241130] dump_stack+0x113/0x167 [ 400.244767] should_fail.cold.4+0x5/0x13 [ 400.248832] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 400.253938] ? lock_downgrade+0x7f0/0x7f0 [ 400.258089] ? ___might_sleep+0x16b/0x270 [ 400.262239] __should_failslab+0xba/0xf0 [ 400.266300] should_failslab+0x9/0x14 [ 400.270160] kmem_cache_alloc_node+0x270/0x730 [ 400.274738] ? find_held_lock+0x36/0x1d0 [ 400.278813] __alloc_skb+0xa7/0x570 [ 400.282437] ? skb_scrub_packet+0x3a0/0x3a0 [ 400.286761] _sctp_make_chunk+0x3f/0x260 [ 400.290828] sctp_make_datafrag_empty+0x159/0x260 [ 400.295670] ? sctp_make_ecne+0xf0/0xf0 [ 400.299642] ? process_measurement+0x805/0x14b0 [ 400.304319] sctp_datamsg_from_user+0x4d7/0xf30 [ 400.308993] ? mark_held_locks+0x130/0x130 [ 400.313237] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 400.317904] ? find_held_lock+0x36/0x1d0 [ 400.319266] FAULT_INJECTION: forcing a failure. [ 400.319266] name failslab, interval 1, probability 0, space 0, times 0 [ 400.321971] ? sctp_clear_owner_w+0xf0/0xf0 [ 400.321979] ? lock_sock_nested+0xc5/0x100 [ 400.321985] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.321991] ? __local_bh_enable_ip+0x160/0x260 [ 400.321995] ? lock_sock_nested+0x82/0x100 [ 400.322001] ? trace_hardirqs_on+0x28/0x190 [ 400.336706] FAULT_INJECTION: forcing a failure. [ 400.336706] name failslab, interval 1, probability 0, space 0, times 0 [ 400.337482] ? lock_sock_nested+0x82/0x100 [ 400.337490] ? __local_bh_enable_ip+0x160/0x260 [ 400.337501] sctp_sendmsg+0xb80/0x1710 [ 400.337511] ? sctp_id2assoc+0x250/0x250 [ 400.387411] ? ___might_sleep+0x16b/0x270 [ 400.391553] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.396483] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 400.401413] inet_sendmsg+0x108/0x440 [ 400.405206] ? security_socket_sendmsg+0x4a/0x90 [ 400.409952] ? ipip_gro_receive+0xf0/0xf0 [ 400.414098] sock_sendmsg+0xb5/0xf0 [ 400.417715] sock_write_iter+0x1e9/0x3d0 [ 400.421767] ? sock_sendmsg+0xf0/0xf0 [ 400.425572] __vfs_write+0x4a3/0x970 [ 400.429284] ? lock_downgrade+0x7f0/0x7f0 [ 400.433425] ? kernel_read+0x130/0x130 [ 400.437303] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.442225] ? apparmor_file_permission+0x15/0x20 [ 400.447061] ? rw_verify_area+0xb8/0x2b0 [ 400.451116] vfs_write+0x150/0x4e0 [ 400.454647] ksys_write+0xcd/0x1b0 [ 400.458179] ? __ia32_sys_read+0xa0/0xa0 [ 400.462231] ? do_syscall_64+0x21/0x4d0 [ 400.466201] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.471554] __x64_sys_write+0x6e/0xb0 [ 400.475435] do_syscall_64+0xd0/0x4d0 [ 400.479226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.484401] RIP: 0033:0x4592c9 [ 400.487582] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 400.506471] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 400.514177] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 400.521433] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 400.528691] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 400.535947] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 400.543294] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 400.550568] CPU: 0 PID: 12767 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 400.557754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.557758] Call Trace: [ 400.557770] dump_stack+0x113/0x167 [ 400.557782] should_fail.cold.4+0x5/0x13 [ 400.557790] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 400.557796] ? lock_downgrade+0x7f0/0x7f0 [ 400.557805] ? ___might_sleep+0x16b/0x270 [ 400.557814] __should_failslab+0xba/0xf0 [ 400.557822] should_failslab+0x9/0x14 [ 400.557826] kmem_cache_alloc_node+0x270/0x730 [ 400.557832] ? find_held_lock+0x36/0x1d0 [ 400.557845] __alloc_skb+0xa7/0x570 [ 400.557852] ? skb_scrub_packet+0x3a0/0x3a0 [ 400.557867] _sctp_make_chunk+0x3f/0x260 [ 400.557876] sctp_make_datafrag_empty+0x159/0x260 [ 400.557883] ? sctp_make_ecne+0xf0/0xf0 [ 400.557893] ? process_measurement+0x805/0x14b0 [ 400.557901] sctp_datamsg_from_user+0x4d7/0xf30 [ 400.557910] ? mark_held_locks+0x130/0x130 [ 400.594914] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 400.594925] ? find_held_lock+0x36/0x1d0 [ 400.594935] ? sctp_clear_owner_w+0xf0/0xf0 [ 400.594943] ? lock_sock_nested+0xc5/0x100 [ 400.659486] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.664063] ? __local_bh_enable_ip+0x160/0x260 [ 400.668730] ? lock_sock_nested+0x82/0x100 [ 400.672958] ? trace_hardirqs_on+0x28/0x190 [ 400.677282] ? lock_sock_nested+0x82/0x100 [ 400.681515] ? lock_sock_nested+0x82/0x100 [ 400.685741] ? __local_bh_enable_ip+0x160/0x260 [ 400.690408] sctp_sendmsg+0xb80/0x1710 [ 400.694298] ? sctp_id2assoc+0x250/0x250 [ 400.698358] ? ___might_sleep+0x16b/0x270 [ 400.702503] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.707430] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 400.712350] inet_sendmsg+0x108/0x440 [ 400.716143] ? security_socket_sendmsg+0x4a/0x90 [ 400.720889] ? ipip_gro_receive+0xf0/0xf0 [ 400.725035] sock_sendmsg+0xb5/0xf0 [ 400.728654] sock_write_iter+0x1e9/0x3d0 [ 400.732703] ? sock_sendmsg+0xf0/0xf0 [ 400.736523] __vfs_write+0x4a3/0x970 [ 400.740242] ? lock_downgrade+0x7f0/0x7f0 [ 400.748581] ? kernel_read+0x130/0x130 [ 400.752552] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 400.757481] ? apparmor_file_permission+0x15/0x20 [ 400.757491] ? rw_verify_area+0xb8/0x2b0 [ 400.757499] vfs_write+0x150/0x4e0 [ 400.757508] ksys_write+0xcd/0x1b0 [ 400.757516] ? pci_mmcfg_check_reserved+0x120/0x120 [ 400.766394] ? __ia32_sys_read+0xa0/0xa0 [ 400.782486] ? do_syscall_64+0x21/0x4d0 [ 400.786459] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.791816] __x64_sys_write+0x6e/0xb0 [ 400.795698] do_syscall_64+0xd0/0x4d0 [ 400.799496] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.805117] RIP: 0033:0x4592c9 [ 400.808308] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 400.827210] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 400.834911] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 400.842172] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 400.849431] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 400.856691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 400.864745] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 400.872089] CPU: 1 PID: 12757 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 400.879280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.888625] Call Trace: [ 400.891211] dump_stack+0x113/0x167 [ 400.894847] should_fail.cold.4+0x5/0x13 [ 400.898905] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 400.904004] ? lock_downgrade+0x7f0/0x7f0 [ 400.908155] ? ___might_sleep+0x16b/0x270 [ 400.912302] __should_failslab+0xba/0xf0 [ 400.916369] should_failslab+0x9/0x14 [ 400.920168] kmem_cache_alloc_node+0x270/0x730 [ 400.924750] ? find_held_lock+0x36/0x1d0 [ 400.928824] __alloc_skb+0xa7/0x570 [ 400.932454] ? skb_scrub_packet+0x3a0/0x3a0 [ 400.936778] _sctp_make_chunk+0x3f/0x260 [ 400.940852] sctp_make_datafrag_empty+0x159/0x260 [ 400.945694] ? sctp_make_ecne+0xf0/0xf0 [ 400.949672] ? process_measurement+0x805/0x14b0 [ 400.954346] sctp_datamsg_from_user+0x4d7/0xf30 [ 400.959013] ? mark_held_locks+0x130/0x130 [ 400.963269] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 400.963483] FAULT_INJECTION: forcing a failure. [ 400.963483] name failslab, interval 1, probability 0, space 0, times 0 [ 400.967841] ? find_held_lock+0x36/0x1d0 [ 400.967852] ? sctp_clear_owner_w+0xf0/0xf0 [ 400.967859] ? lock_sock_nested+0xc5/0x100 [ 400.967865] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.967871] ? __local_bh_enable_ip+0x160/0x260 [ 400.967874] ? lock_sock_nested+0x82/0x100 [ 400.967880] ? trace_hardirqs_on+0x28/0x190 [ 400.967885] ? lock_sock_nested+0x82/0x100 [ 400.988878] FAULT_INJECTION: forcing a failure. [ 400.988878] name failslab, interval 1, probability 0, space 0, times 0 [ 400.991639] ? __local_bh_enable_ip+0x160/0x260 [ 400.991650] sctp_sendmsg+0xb80/0x1710 [ 400.991661] ? sctp_id2assoc+0x250/0x250 [ 401.037344] ? ___might_sleep+0x16b/0x270 [ 401.041492] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.046503] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 401.051429] inet_sendmsg+0x108/0x440 [ 401.055226] ? security_socket_sendmsg+0x4a/0x90 [ 401.059983] ? ipip_gro_receive+0xf0/0xf0 [ 401.064123] sock_sendmsg+0xb5/0xf0 [ 401.067742] sock_write_iter+0x1e9/0x3d0 [ 401.071791] ? sock_sendmsg+0xf0/0xf0 [ 401.075595] __vfs_write+0x4a3/0x970 [ 401.079299] ? lock_downgrade+0x7f0/0x7f0 [ 401.083439] ? kernel_read+0x130/0x130 [ 401.087316] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.092239] ? apparmor_file_permission+0x15/0x20 [ 401.097070] ? rw_verify_area+0xb8/0x2b0 [ 401.101125] vfs_write+0x150/0x4e0 [ 401.104659] ksys_write+0xcd/0x1b0 [ 401.108209] ? __ia32_sys_read+0xa0/0xa0 [ 401.112259] ? do_syscall_64+0x21/0x4d0 [ 401.116243] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.121602] __x64_sys_write+0x6e/0xb0 [ 401.125481] do_syscall_64+0xd0/0x4d0 [ 401.129274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.134455] RIP: 0033:0x4592c9 [ 401.137638] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 401.156530] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.164222] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 401.171482] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 401.178769] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 401.186025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 401.193281] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 401.200557] CPU: 0 PID: 12779 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 401.207745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.207748] Call Trace: [ 401.207761] dump_stack+0x113/0x167 [ 401.207773] should_fail.cold.4+0x5/0x13 [ 401.207781] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 401.207788] ? lock_downgrade+0x7f0/0x7f0 [ 401.207796] ? ___might_sleep+0x16b/0x270 [ 401.207805] __should_failslab+0xba/0xf0 [ 401.207813] should_failslab+0x9/0x14 [ 401.207818] kmem_cache_alloc_node+0x270/0x730 [ 401.207824] ? find_held_lock+0x36/0x1d0 [ 401.207836] __alloc_skb+0xa7/0x570 [ 401.207844] ? skb_scrub_packet+0x3a0/0x3a0 [ 401.207859] _sctp_make_chunk+0x3f/0x260 [ 401.207867] sctp_make_datafrag_empty+0x159/0x260 [ 401.207874] ? sctp_make_ecne+0xf0/0xf0 [ 401.207884] ? process_measurement+0x805/0x14b0 [ 401.207893] sctp_datamsg_from_user+0x4d7/0xf30 [ 401.207901] ? mark_held_locks+0x130/0x130 [ 401.207911] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 401.253495] ? find_held_lock+0x36/0x1d0 [ 401.253510] ? sctp_clear_owner_w+0xf0/0xf0 [ 401.253517] ? lock_sock_nested+0xc5/0x100 [ 401.253523] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.313523] ? __local_bh_enable_ip+0x160/0x260 [ 401.318186] ? lock_sock_nested+0x82/0x100 [ 401.322416] ? trace_hardirqs_on+0x28/0x190 [ 401.326729] ? lock_sock_nested+0x82/0x100 [ 401.330959] ? lock_sock_nested+0x82/0x100 [ 401.335195] ? __local_bh_enable_ip+0x160/0x260 [ 401.339863] sctp_sendmsg+0xb80/0x1710 [ 401.343746] ? sctp_id2assoc+0x250/0x250 [ 401.347801] ? ___might_sleep+0x16b/0x270 [ 401.351944] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.356872] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 401.361796] inet_sendmsg+0x108/0x440 [ 401.365586] ? security_socket_sendmsg+0x4a/0x90 [ 401.370334] ? ipip_gro_receive+0xf0/0xf0 [ 401.374473] sock_sendmsg+0xb5/0xf0 [ 401.378095] sock_write_iter+0x1e9/0x3d0 [ 401.382155] ? sock_sendmsg+0xf0/0xf0 [ 401.385967] __vfs_write+0x4a3/0x970 [ 401.389672] ? lock_downgrade+0x7f0/0x7f0 [ 401.393815] ? kernel_read+0x130/0x130 [ 401.397695] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.402628] ? apparmor_file_permission+0x15/0x20 [ 401.407467] ? rw_verify_area+0xb8/0x2b0 [ 401.407476] vfs_write+0x150/0x4e0 [ 401.407484] ksys_write+0xcd/0x1b0 [ 401.407490] ? __ia32_sys_read+0xa0/0xa0 [ 401.407499] ? do_syscall_64+0x21/0x4d0 [ 401.407507] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.407517] __x64_sys_write+0x6e/0xb0 [ 401.407523] do_syscall_64+0xd0/0x4d0 [ 401.418639] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.426654] RIP: 0033:0x4592c9 2019/06/15 21:34:37 executed programs: 1447 [ 401.448043] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 401.467295] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.467308] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 401.467311] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 401.467314] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 401.467317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 401.467320] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 401.515133] CPU: 1 PID: 12771 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 401.522345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.531696] Call Trace: [ 401.534284] dump_stack+0x113/0x167 [ 401.537915] should_fail.cold.4+0x5/0x13 [ 401.541979] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 401.547082] ? lock_downgrade+0x7f0/0x7f0 [ 401.551226] ? ___might_sleep+0x16b/0x270 [ 401.555408] __should_failslab+0xba/0xf0 [ 401.559288] FAULT_INJECTION: forcing a failure. [ 401.559288] name failslab, interval 1, probability 0, space 0, times 0 [ 401.559492] should_failslab+0x9/0x14 [ 401.574460] kmem_cache_alloc_node+0x270/0x730 [ 401.579052] ? find_held_lock+0x36/0x1d0 [ 401.583116] __alloc_skb+0xa7/0x570 [ 401.586734] ? skb_scrub_packet+0x3a0/0x3a0 [ 401.591055] _sctp_make_chunk+0x3f/0x260 [ 401.595106] sctp_make_datafrag_empty+0x159/0x260 [ 401.599938] ? sctp_make_ecne+0xf0/0xf0 [ 401.603909] ? process_measurement+0x805/0x14b0 [ 401.608572] sctp_datamsg_from_user+0x4d7/0xf30 [ 401.613231] ? mark_held_locks+0x130/0x130 [ 401.617460] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 401.622040] ? find_held_lock+0x36/0x1d0 [ 401.626093] ? sctp_clear_owner_w+0xf0/0xf0 [ 401.630843] ? lock_sock_nested+0xc5/0x100 [ 401.635065] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.639639] ? __local_bh_enable_ip+0x160/0x260 [ 401.644297] ? lock_sock_nested+0x82/0x100 [ 401.648520] ? trace_hardirqs_on+0x28/0x190 [ 401.652828] ? lock_sock_nested+0x82/0x100 [ 401.657051] ? lock_sock_nested+0x82/0x100 [ 401.661277] ? __local_bh_enable_ip+0x160/0x260 [ 401.665943] sctp_sendmsg+0xb80/0x1710 [ 401.669833] ? sctp_id2assoc+0x250/0x250 [ 401.673882] ? ___might_sleep+0x16b/0x270 [ 401.678027] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.682952] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 401.687873] inet_sendmsg+0x108/0x440 [ 401.691672] ? security_socket_sendmsg+0x4a/0x90 [ 401.696419] ? ipip_gro_receive+0xf0/0xf0 [ 401.700562] sock_sendmsg+0xb5/0xf0 [ 401.704183] sock_write_iter+0x1e9/0x3d0 [ 401.708233] ? sock_sendmsg+0xf0/0xf0 [ 401.712036] __vfs_write+0x4a3/0x970 [ 401.715739] ? lock_downgrade+0x7f0/0x7f0 [ 401.719874] ? kernel_read+0x130/0x130 [ 401.723754] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 401.729548] ? apparmor_file_permission+0x15/0x20 [ 401.734384] ? rw_verify_area+0xb8/0x2b0 [ 401.738440] vfs_write+0x150/0x4e0 [ 401.741978] ksys_write+0xcd/0x1b0 [ 401.745518] ? __ia32_sys_read+0xa0/0xa0 [ 401.749578] ? do_syscall_64+0x21/0x4d0 [ 401.753548] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.758915] __x64_sys_write+0x6e/0xb0 [ 401.762795] do_syscall_64+0xd0/0x4d0 [ 401.766598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.771776] RIP: 0033:0x4592c9 [ 401.775054] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 401.793950] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.801656] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 401.804858] FAULT_INJECTION: forcing a failure. [ 401.804858] name failslab, interval 1, probability 0, space 0, times 0 [ 401.808914] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 401.808918] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 401.808921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 401.808925] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 401.821124] CPU: 0 PID: 12783 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 401.834802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.834805] Call Trace: [ 401.834819] dump_stack+0x113/0x167 [ 401.834831] should_fail.cold.4+0x5/0x13 [ 401.834840] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 401.834846] ? lock_downgrade+0x7f0/0x7f0 [ 401.834855] ? ___might_sleep+0x16b/0x270 [ 401.849395] __should_failslab+0xba/0xf0 [ 401.849404] should_failslab+0x9/0x14 [ 401.849409] kmem_cache_alloc_node+0x270/0x730 [ 401.849416] ? find_held_lock+0x36/0x1d0 [ 401.849429] __alloc_skb+0xa7/0x570 [ 401.849436] ? skb_scrub_packet+0x3a0/0x3a0 [ 401.849450] _sctp_make_chunk+0x3f/0x260 [ 401.849458] sctp_make_datafrag_empty+0x159/0x260 [ 401.865979] ? sctp_make_ecne+0xf0/0xf0 [ 401.865990] ? process_measurement+0x805/0x14b0 [ 401.865999] sctp_datamsg_from_user+0x4d7/0xf30 [ 401.911545] FAULT_INJECTION: forcing a failure. [ 401.911545] name failslab, interval 1, probability 0, space 0, times 0 [ 401.913975] ? mark_held_locks+0x130/0x130 [ 401.913989] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 401.913997] ? find_held_lock+0x36/0x1d0 [ 401.960127] ? sctp_clear_owner_w+0xf0/0xf0 [ 401.964442] ? lock_sock_nested+0xc5/0x100 [ 401.968673] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.973252] ? __local_bh_enable_ip+0x160/0x260 [ 401.977906] ? lock_sock_nested+0x82/0x100 [ 401.982161] ? trace_hardirqs_on+0x28/0x190 [ 401.986468] ? lock_sock_nested+0x82/0x100 [ 401.990692] ? lock_sock_nested+0x82/0x100 [ 401.994933] ? __local_bh_enable_ip+0x160/0x260 [ 401.999599] sctp_sendmsg+0xb80/0x1710 [ 402.003482] ? sctp_id2assoc+0x250/0x250 [ 402.007537] ? ___might_sleep+0x16b/0x270 [ 402.011685] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.016618] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 402.021546] inet_sendmsg+0x108/0x440 [ 402.025354] ? security_socket_sendmsg+0x4a/0x90 [ 402.030104] ? ipip_gro_receive+0xf0/0xf0 [ 402.034243] sock_sendmsg+0xb5/0xf0 [ 402.037863] sock_write_iter+0x1e9/0x3d0 [ 402.041921] ? sock_sendmsg+0xf0/0xf0 [ 402.045730] __vfs_write+0x4a3/0x970 [ 402.049444] ? lock_downgrade+0x7f0/0x7f0 [ 402.053580] ? kernel_read+0x130/0x130 [ 402.057474] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.062402] ? apparmor_file_permission+0x15/0x20 [ 402.067265] ? rw_verify_area+0xb8/0x2b0 [ 402.071329] vfs_write+0x150/0x4e0 [ 402.074867] ksys_write+0xcd/0x1b0 [ 402.078399] ? __ia32_sys_read+0xa0/0xa0 [ 402.082456] ? do_syscall_64+0x21/0x4d0 [ 402.086425] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.091781] __x64_sys_write+0x6e/0xb0 [ 402.091788] do_syscall_64+0xd0/0x4d0 [ 402.091796] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.091801] RIP: 0033:0x4592c9 [ 402.091807] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 402.091811] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 402.091817] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 402.091820] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 402.091823] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 402.091826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 402.091829] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 402.095431] CPU: 0 PID: 12791 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 402.178124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.187469] Call Trace: [ 402.190055] dump_stack+0x113/0x167 [ 402.193685] should_fail.cold.4+0x5/0x13 [ 402.197741] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 402.202844] ? lock_downgrade+0x7f0/0x7f0 [ 402.206994] ? ___might_sleep+0x16b/0x270 [ 402.211139] __should_failslab+0xba/0xf0 [ 402.215195] should_failslab+0x9/0x14 [ 402.218987] kmem_cache_alloc_node+0x270/0x730 [ 402.223566] ? find_held_lock+0x36/0x1d0 [ 402.227627] __alloc_skb+0xa7/0x570 [ 402.231247] ? skb_scrub_packet+0x3a0/0x3a0 [ 402.235562] _sctp_make_chunk+0x3f/0x260 [ 402.239625] sctp_make_datafrag_empty+0x159/0x260 [ 402.244557] ? sctp_make_ecne+0xf0/0xf0 [ 402.248529] ? process_measurement+0x805/0x14b0 [ 402.253202] sctp_datamsg_from_user+0x4d7/0xf30 [ 402.257872] ? mark_held_locks+0x130/0x130 [ 402.262109] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 402.266697] ? find_held_lock+0x36/0x1d0 [ 402.270763] ? sctp_clear_owner_w+0xf0/0xf0 [ 402.275055] FAULT_INJECTION: forcing a failure. [ 402.275055] name failslab, interval 1, probability 0, space 0, times 0 [ 402.275139] ? lock_sock_nested+0xc5/0x100 [ 402.290540] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.295111] ? __local_bh_enable_ip+0x160/0x260 [ 402.299774] ? lock_sock_nested+0x82/0x100 [ 402.304005] ? trace_hardirqs_on+0x28/0x190 [ 402.308320] ? lock_sock_nested+0x82/0x100 [ 402.312805] ? lock_sock_nested+0x82/0x100 [ 402.317037] ? __local_bh_enable_ip+0x160/0x260 [ 402.321705] sctp_sendmsg+0xb80/0x1710 [ 402.325590] ? sctp_id2assoc+0x250/0x250 [ 402.329645] ? ___might_sleep+0x16b/0x270 [ 402.333788] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.338720] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 402.343730] inet_sendmsg+0x108/0x440 [ 402.347522] ? security_socket_sendmsg+0x4a/0x90 [ 402.352272] ? ipip_gro_receive+0xf0/0xf0 [ 402.356413] sock_sendmsg+0xb5/0xf0 [ 402.360033] sock_write_iter+0x1e9/0x3d0 [ 402.364090] ? sock_sendmsg+0xf0/0xf0 [ 402.367893] __vfs_write+0x4a3/0x970 [ 402.371615] ? lock_downgrade+0x7f0/0x7f0 [ 402.375783] ? kernel_read+0x130/0x130 [ 402.379662] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.384584] ? apparmor_file_permission+0x15/0x20 [ 402.389925] ? rw_verify_area+0xb8/0x2b0 [ 402.393981] vfs_write+0x150/0x4e0 [ 402.397517] ksys_write+0xcd/0x1b0 [ 402.401053] ? __ia32_sys_read+0xa0/0xa0 [ 402.405109] ? do_syscall_64+0x21/0x4d0 [ 402.409077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.414440] __x64_sys_write+0x6e/0xb0 [ 402.418329] do_syscall_64+0xd0/0x4d0 [ 402.422153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.427335] RIP: 0033:0x4592c9 [ 402.430521] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 402.449412] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 402.457111] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 402.464370] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 402.471632] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 402.478889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 402.486149] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 402.501015] CPU: 1 PID: 12799 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 402.508217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.517564] Call Trace: [ 402.520153] dump_stack+0x113/0x167 [ 402.523810] should_fail.cold.4+0x5/0x13 [ 402.527876] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 402.532976] ? lock_downgrade+0x7f0/0x7f0 [ 402.537134] ? ___might_sleep+0x16b/0x270 [ 402.541283] __should_failslab+0xba/0xf0 [ 402.545350] should_failslab+0x9/0x14 [ 402.546929] FAULT_INJECTION: forcing a failure. [ 402.546929] name failslab, interval 1, probability 0, space 0, times 0 [ 402.549148] kmem_cache_alloc_node+0x270/0x730 [ 402.549155] ? find_held_lock+0x36/0x1d0 [ 402.549168] __alloc_skb+0xa7/0x570 [ 402.549175] ? skb_scrub_packet+0x3a0/0x3a0 [ 402.576891] _sctp_make_chunk+0x3f/0x260 [ 402.580946] sctp_make_datafrag_empty+0x159/0x260 [ 402.585867] ? sctp_make_ecne+0xf0/0xf0 [ 402.589835] ? process_measurement+0x805/0x14b0 [ 402.594496] sctp_datamsg_from_user+0x4d7/0xf30 [ 402.599158] ? mark_held_locks+0x130/0x130 [ 402.603386] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 402.608048] ? find_held_lock+0x36/0x1d0 [ 402.612100] ? sctp_clear_owner_w+0xf0/0xf0 [ 402.617246] ? lock_sock_nested+0xc5/0x100 [ 402.621477] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.626312] ? __local_bh_enable_ip+0x160/0x260 [ 402.630967] ? lock_sock_nested+0x82/0x100 [ 402.635188] ? trace_hardirqs_on+0x28/0x190 [ 402.639511] ? lock_sock_nested+0x82/0x100 [ 402.643733] ? lock_sock_nested+0x82/0x100 [ 402.647963] ? __local_bh_enable_ip+0x160/0x260 [ 402.652626] sctp_sendmsg+0xb80/0x1710 [ 402.656599] ? sctp_id2assoc+0x250/0x250 [ 402.660650] ? ___might_sleep+0x16b/0x270 [ 402.664793] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.669812] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 402.674754] inet_sendmsg+0x108/0x440 [ 402.678543] ? security_socket_sendmsg+0x4a/0x90 [ 402.683289] ? ipip_gro_receive+0xf0/0xf0 [ 402.687430] sock_sendmsg+0xb5/0xf0 [ 402.691048] sock_write_iter+0x1e9/0x3d0 [ 402.695105] ? sock_sendmsg+0xf0/0xf0 [ 402.698909] __vfs_write+0x4a3/0x970 [ 402.702616] ? lock_downgrade+0x7f0/0x7f0 [ 402.706755] ? kernel_read+0x130/0x130 [ 402.710633] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.715554] ? apparmor_file_permission+0x15/0x20 [ 402.720389] ? rw_verify_area+0xb8/0x2b0 [ 402.724443] vfs_write+0x150/0x4e0 [ 402.727978] ksys_write+0xcd/0x1b0 [ 402.731520] ? __ia32_sys_read+0xa0/0xa0 [ 402.735575] ? do_syscall_64+0x21/0x4d0 [ 402.739543] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.744900] __x64_sys_write+0x6e/0xb0 [ 402.750369] do_syscall_64+0xd0/0x4d0 [ 402.755031] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.760295] RIP: 0033:0x4592c9 [ 402.763477] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 402.782375] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 402.790079] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 402.797335] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 402.804595] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 402.811856] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 402.819115] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 402.826395] CPU: 0 PID: 12812 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 402.833591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.843025] Call Trace: [ 402.845605] dump_stack+0x113/0x167 [ 402.849235] should_fail.cold.4+0x5/0x13 [ 402.853318] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 402.858594] ? lock_downgrade+0x7f0/0x7f0 [ 402.863494] ? ___might_sleep+0x16b/0x270 [ 402.867637] __should_failslab+0xba/0xf0 [ 402.871690] should_failslab+0x9/0x14 [ 402.875491] kmem_cache_alloc_node+0x270/0x730 [ 402.887826] ? find_held_lock+0x36/0x1d0 [ 402.891884] __alloc_skb+0xa7/0x570 [ 402.895592] ? skb_scrub_packet+0x3a0/0x3a0 [ 402.899912] _sctp_make_chunk+0x3f/0x260 [ 402.903966] sctp_make_datafrag_empty+0x159/0x260 [ 402.908803] ? sctp_make_ecne+0xf0/0xf0 [ 402.913469] ? process_measurement+0x805/0x14b0 [ 402.918132] sctp_datamsg_from_user+0x4d7/0xf30 [ 402.922798] ? mark_held_locks+0x130/0x130 [ 402.927031] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 402.931611] ? find_held_lock+0x36/0x1d0 [ 402.935668] ? sctp_clear_owner_w+0xf0/0xf0 [ 402.939979] ? lock_sock_nested+0xc5/0x100 [ 402.944206] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.948777] ? __local_bh_enable_ip+0x160/0x260 [ 402.953445] ? lock_sock_nested+0x82/0x100 [ 402.957674] ? trace_hardirqs_on+0x28/0x190 [ 402.961987] ? lock_sock_nested+0x82/0x100 [ 402.966207] ? lock_sock_nested+0x82/0x100 [ 402.970435] ? __local_bh_enable_ip+0x160/0x260 [ 402.975122] sctp_sendmsg+0xb80/0x1710 [ 402.979005] ? sctp_id2assoc+0x250/0x250 [ 402.983070] ? ___might_sleep+0x16b/0x270 [ 402.987211] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 402.992148] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 402.997079] inet_sendmsg+0x108/0x440 [ 403.000870] ? security_socket_sendmsg+0x4a/0x90 [ 403.005615] ? ipip_gro_receive+0xf0/0xf0 [ 403.009843] sock_sendmsg+0xb5/0xf0 [ 403.013463] sock_write_iter+0x1e9/0x3d0 [ 403.017519] ? sock_sendmsg+0xf0/0xf0 [ 403.021420] __vfs_write+0x4a3/0x970 [ 403.025123] ? lock_downgrade+0x7f0/0x7f0 [ 403.029264] ? kernel_read+0x130/0x130 [ 403.033151] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.038077] ? apparmor_file_permission+0x15/0x20 [ 403.042910] ? rw_verify_area+0xb8/0x2b0 [ 403.046972] vfs_write+0x150/0x4e0 [ 403.050505] ksys_write+0xcd/0x1b0 [ 403.054037] ? __ia32_sys_read+0xa0/0xa0 [ 403.058090] ? do_syscall_64+0x21/0x4d0 [ 403.062059] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.067417] __x64_sys_write+0x6e/0xb0 [ 403.071294] do_syscall_64+0xd0/0x4d0 [ 403.075092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.080272] RIP: 0033:0x4592c9 [ 403.083454] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 403.102345] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 403.110044] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 403.117398] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 403.124666] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 403.131928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 403.139185] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 403.146464] CPU: 1 PID: 12796 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 403.153659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.163005] Call Trace: [ 403.165593] dump_stack+0x113/0x167 [ 403.169224] should_fail.cold.4+0x5/0x13 [ 403.173286] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 403.178386] ? lock_downgrade+0x7f0/0x7f0 [ 403.182535] ? ___might_sleep+0x16b/0x270 [ 403.186718] __should_failslab+0xba/0xf0 [ 403.190775] should_failslab+0x9/0x14 [ 403.194578] kmem_cache_alloc_node+0x270/0x730 [ 403.199157] ? find_held_lock+0x36/0x1d0 [ 403.203218] __alloc_skb+0xa7/0x570 [ 403.206854] ? skb_scrub_packet+0x3a0/0x3a0 [ 403.208856] FAULT_INJECTION: forcing a failure. [ 403.208856] name failslab, interval 1, probability 0, space 0, times 0 [ 403.211175] _sctp_make_chunk+0x3f/0x260 [ 403.211184] sctp_make_datafrag_empty+0x159/0x260 [ 403.211192] ? sctp_make_ecne+0xf0/0xf0 [ 403.235237] ? process_measurement+0x805/0x14b0 [ 403.239901] sctp_datamsg_from_user+0x4d7/0xf30 [ 403.244835] ? mark_held_locks+0x130/0x130 [ 403.249063] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 403.253633] ? find_held_lock+0x36/0x1d0 [ 403.257692] ? sctp_clear_owner_w+0xf0/0xf0 [ 403.262003] ? lock_sock_nested+0xc5/0x100 [ 403.266227] ? lockdep_hardirqs_on+0x421/0x5c0 [ 403.270799] ? __local_bh_enable_ip+0x160/0x260 [ 403.275471] ? lock_sock_nested+0x82/0x100 [ 403.279694] ? trace_hardirqs_on+0x28/0x190 [ 403.284009] ? lock_sock_nested+0x82/0x100 [ 403.288235] ? lock_sock_nested+0x82/0x100 [ 403.292493] ? __local_bh_enable_ip+0x160/0x260 [ 403.297177] sctp_sendmsg+0xb80/0x1710 [ 403.301063] ? sctp_id2assoc+0x250/0x250 [ 403.305117] ? ___might_sleep+0x16b/0x270 [ 403.309261] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.314189] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 403.319115] inet_sendmsg+0x108/0x440 [ 403.322907] ? security_socket_sendmsg+0x4a/0x90 [ 403.327654] ? ipip_gro_receive+0xf0/0xf0 [ 403.331795] sock_sendmsg+0xb5/0xf0 [ 403.335415] sock_write_iter+0x1e9/0x3d0 [ 403.339471] ? sock_sendmsg+0xf0/0xf0 [ 403.343273] __vfs_write+0x4a3/0x970 [ 403.346980] ? lock_downgrade+0x7f0/0x7f0 [ 403.351117] ? kernel_read+0x130/0x130 [ 403.354997] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.359932] ? apparmor_file_permission+0x15/0x20 [ 403.364771] ? rw_verify_area+0xb8/0x2b0 [ 403.368827] vfs_write+0x150/0x4e0 [ 403.372362] ksys_write+0xcd/0x1b0 [ 403.375889] ? __ia32_sys_read+0xa0/0xa0 [ 403.379939] ? do_syscall_64+0x21/0x4d0 [ 403.383906] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.389265] __x64_sys_write+0x6e/0xb0 [ 403.393154] do_syscall_64+0xd0/0x4d0 [ 403.396944] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.402123] RIP: 0033:0x4592c9 [ 403.405305] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 403.424193] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 403.431890] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 403.439145] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 403.446402] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 403.454441] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 403.461786] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 403.469064] CPU: 0 PID: 12815 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 403.476255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.476258] Call Trace: [ 403.476271] dump_stack+0x113/0x167 [ 403.476283] should_fail.cold.4+0x5/0x13 [ 403.476290] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 403.500964] ? lock_downgrade+0x7f0/0x7f0 [ 403.505114] ? ___might_sleep+0x16b/0x270 [ 403.509262] __should_failslab+0xba/0xf0 [ 403.513324] should_failslab+0x9/0x14 [ 403.517114] kmem_cache_alloc_node+0x270/0x730 [ 403.517122] ? find_held_lock+0x36/0x1d0 [ 403.517135] __alloc_skb+0xa7/0x570 [ 403.517142] ? skb_scrub_packet+0x3a0/0x3a0 [ 403.517157] _sctp_make_chunk+0x3f/0x260 [ 403.517165] sctp_make_datafrag_empty+0x159/0x260 [ 403.517178] ? sctp_make_ecne+0xf0/0xf0 [ 403.517188] ? process_measurement+0x805/0x14b0 [ 403.517198] sctp_datamsg_from_user+0x4d7/0xf30 [ 403.517206] ? mark_held_locks+0x130/0x130 [ 403.517218] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 403.529448] ? find_held_lock+0x36/0x1d0 [ 403.537799] ? sctp_clear_owner_w+0xf0/0xf0 [ 403.537807] ? lock_sock_nested+0xc5/0x100 [ 403.537813] ? lockdep_hardirqs_on+0x421/0x5c0 [ 403.537819] ? __local_bh_enable_ip+0x160/0x260 [ 403.537823] ? lock_sock_nested+0x82/0x100 [ 403.537828] ? trace_hardirqs_on+0x28/0x190 [ 403.537832] ? lock_sock_nested+0x82/0x100 [ 403.537837] ? lock_sock_nested+0x82/0x100 [ 403.537843] ? __local_bh_enable_ip+0x160/0x260 [ 403.537852] sctp_sendmsg+0xb80/0x1710 [ 403.537864] ? sctp_id2assoc+0x250/0x250 [ 403.537871] ? ___might_sleep+0x16b/0x270 [ 403.537883] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.537896] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 403.564940] inet_sendmsg+0x108/0x440 [ 403.564949] ? security_socket_sendmsg+0x4a/0x90 [ 403.564954] ? ipip_gro_receive+0xf0/0xf0 [ 403.564962] sock_sendmsg+0xb5/0xf0 [ 403.582111] sock_write_iter+0x1e9/0x3d0 [ 403.582118] ? sock_sendmsg+0xf0/0xf0 [ 403.582136] __vfs_write+0x4a3/0x970 [ 403.658129] ? lock_downgrade+0x7f0/0x7f0 [ 403.662272] ? kernel_read+0x130/0x130 [ 403.666156] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.671084] ? apparmor_file_permission+0x15/0x20 [ 403.675926] ? rw_verify_area+0xb8/0x2b0 [ 403.679981] vfs_write+0x150/0x4e0 [ 403.683515] ksys_write+0xcd/0x1b0 [ 403.687045] ? __ia32_sys_read+0xa0/0xa0 [ 403.691104] ? do_syscall_64+0x21/0x4d0 [ 403.695069] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.700427] __x64_sys_write+0x6e/0xb0 [ 403.704314] do_syscall_64+0xd0/0x4d0 [ 403.708114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.713557] RIP: 0033:0x4592c9 [ 403.716739] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 403.737105] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 403.744809] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 403.752076] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 403.759345] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 403.766634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 403.773899] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 403.792311] CPU: 1 PID: 12808 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 403.799512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.808859] Call Trace: [ 403.811448] dump_stack+0x113/0x167 [ 403.815078] should_fail.cold.4+0x5/0x13 [ 403.819139] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 403.819730] FAULT_INJECTION: forcing a failure. [ 403.819730] name failslab, interval 1, probability 0, space 0, times 0 [ 403.824238] ? lock_downgrade+0x7f0/0x7f0 [ 403.839833] ? ___might_sleep+0x16b/0x270 [ 403.843982] __should_failslab+0xba/0xf0 [ 403.849075] should_failslab+0x9/0x14 [ 403.852867] kmem_cache_alloc_node+0x270/0x730 [ 403.857453] __alloc_skb+0xa7/0x570 [ 403.861595] ? skb_scrub_packet+0x3a0/0x3a0 [ 403.865918] _sctp_make_chunk+0x3f/0x260 [ 403.869971] sctp_make_datafrag_empty+0x159/0x260 [ 403.874808] ? sctp_make_ecne+0xf0/0xf0 [ 403.878782] sctp_datamsg_from_user+0x4d7/0xf30 [ 403.883449] ? mark_held_locks+0x130/0x130 [ 403.887686] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 403.892252] ? __lock_is_held+0xb5/0x140 [ 403.896303] ? find_held_lock+0x36/0x1d0 [ 403.900356] ? sctp_clear_owner_w+0xf0/0xf0 [ 403.904665] ? lock_sock_nested+0xc5/0x100 [ 403.908891] ? lockdep_hardirqs_on+0x421/0x5c0 [ 403.913460] ? __local_bh_enable_ip+0x160/0x260 [ 403.918112] ? lock_sock_nested+0x82/0x100 [ 403.922337] ? trace_hardirqs_on+0x28/0x190 [ 403.926647] ? lock_sock_nested+0x82/0x100 [ 403.930873] ? lock_sock_nested+0x82/0x100 [ 403.935099] ? __local_bh_enable_ip+0x160/0x260 [ 403.939764] sctp_sendmsg+0xb80/0x1710 [ 403.943646] ? sctp_id2assoc+0x250/0x250 [ 403.947699] ? ___might_sleep+0x16b/0x270 [ 403.951844] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 403.956766] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 403.961706] inet_sendmsg+0x108/0x440 [ 403.965496] ? security_socket_sendmsg+0x4a/0x90 [ 403.970238] ? ipip_gro_receive+0xf0/0xf0 [ 403.974374] sock_sendmsg+0xb5/0xf0 [ 403.977992] sock_write_iter+0x1e9/0x3d0 [ 403.982049] ? sock_sendmsg+0xf0/0xf0 [ 403.985858] __vfs_write+0x4a3/0x970 [ 403.989569] ? lock_downgrade+0x7f0/0x7f0 [ 403.993722] ? kernel_read+0x130/0x130 [ 403.997606] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.002538] ? apparmor_file_permission+0x15/0x20 [ 404.007382] ? rw_verify_area+0xb8/0x2b0 [ 404.011440] vfs_write+0x150/0x4e0 [ 404.014977] ksys_write+0xcd/0x1b0 [ 404.018518] ? __ia32_sys_read+0xa0/0xa0 [ 404.022580] ? do_syscall_64+0x21/0x4d0 [ 404.026582] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.031940] __x64_sys_write+0x6e/0xb0 [ 404.035828] do_syscall_64+0xd0/0x4d0 [ 404.039626] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.042625] FAULT_INJECTION: forcing a failure. [ 404.042625] name failslab, interval 1, probability 0, space 0, times 0 [ 404.044810] RIP: 0033:0x4592c9 [ 404.044817] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 404.044821] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 404.044827] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 404.044830] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 404.044833] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 404.044839] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 404.114800] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 404.122438] CPU: 0 PID: 12824 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 404.129636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.138986] Call Trace: [ 404.141578] dump_stack+0x113/0x167 [ 404.145218] should_fail.cold.4+0x5/0x13 [ 404.149281] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 404.154396] ? lock_downgrade+0x7f0/0x7f0 [ 404.158561] ? ___might_sleep+0x16b/0x270 [ 404.162708] __should_failslab+0xba/0xf0 [ 404.166773] should_failslab+0x9/0x14 [ 404.170571] kmem_cache_alloc_node+0x270/0x730 [ 404.175157] ? find_held_lock+0x36/0x1d0 [ 404.179225] __alloc_skb+0xa7/0x570 [ 404.182857] ? skb_scrub_packet+0x3a0/0x3a0 [ 404.183512] FAULT_INJECTION: forcing a failure. [ 404.183512] name failslab, interval 1, probability 0, space 0, times 0 [ 404.187178] _sctp_make_chunk+0x3f/0x260 [ 404.187189] sctp_make_datafrag_empty+0x159/0x260 [ 404.187196] ? sctp_make_ecne+0xf0/0xf0 [ 404.187207] ? process_measurement+0x805/0x14b0 [ 404.187216] sctp_datamsg_from_user+0x4d7/0xf30 [ 404.187225] ? mark_held_locks+0x130/0x130 [ 404.187236] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 404.187244] ? find_held_lock+0x36/0x1d0 [ 404.187255] ? sctp_clear_owner_w+0xf0/0xf0 [ 404.187261] ? lock_sock_nested+0xc5/0x100 [ 404.187266] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.187274] ? __local_bh_enable_ip+0x160/0x260 [ 404.211293] ? lock_sock_nested+0x82/0x100 [ 404.211300] ? trace_hardirqs_on+0x28/0x190 [ 404.211311] ? lock_sock_nested+0x82/0x100 [ 404.211316] ? lock_sock_nested+0x82/0x100 [ 404.220630] ? __local_bh_enable_ip+0x160/0x260 [ 404.220641] sctp_sendmsg+0xb80/0x1710 [ 404.220652] ? sctp_id2assoc+0x250/0x250 [ 404.220660] ? ___might_sleep+0x16b/0x270 [ 404.220670] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.220683] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 404.220693] inet_sendmsg+0x108/0x440 [ 404.220700] ? security_socket_sendmsg+0x4a/0x90 [ 404.220705] ? ipip_gro_receive+0xf0/0xf0 [ 404.220713] sock_sendmsg+0xb5/0xf0 [ 404.220720] sock_write_iter+0x1e9/0x3d0 [ 404.220727] ? sock_sendmsg+0xf0/0xf0 [ 404.319745] __vfs_write+0x4a3/0x970 [ 404.323455] ? lock_downgrade+0x7f0/0x7f0 [ 404.327598] ? kernel_read+0x130/0x130 [ 404.331481] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.336408] ? apparmor_file_permission+0x15/0x20 [ 404.341244] ? rw_verify_area+0xb8/0x2b0 [ 404.345311] vfs_write+0x150/0x4e0 [ 404.348845] ksys_write+0xcd/0x1b0 [ 404.352380] ? __ia32_sys_read+0xa0/0xa0 [ 404.356443] ? do_syscall_64+0x21/0x4d0 [ 404.360412] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.365791] __x64_sys_write+0x6e/0xb0 [ 404.369669] do_syscall_64+0xd0/0x4d0 [ 404.373466] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.378648] RIP: 0033:0x4592c9 [ 404.381834] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 404.400809] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 404.408503] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 404.415765] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 404.423024] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 404.430368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 404.437667] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 404.445588] FAULT_INJECTION: forcing a failure. [ 404.445588] name failslab, interval 1, probability 0, space 0, times 0 [ 404.451279] CPU: 1 PID: 12828 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 404.463978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.473329] Call Trace: [ 404.475921] dump_stack+0x113/0x167 [ 404.479543] should_fail.cold.4+0x5/0x13 [ 404.483599] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 404.488690] ? lock_downgrade+0x7f0/0x7f0 [ 404.492833] ? ___might_sleep+0x16b/0x270 [ 404.497053] __should_failslab+0xba/0xf0 [ 404.501107] should_failslab+0x9/0x14 [ 404.504894] kmem_cache_alloc_node+0x270/0x730 [ 404.509463] ? find_held_lock+0x36/0x1d0 [ 404.513522] __alloc_skb+0xa7/0x570 [ 404.517139] ? skb_scrub_packet+0x3a0/0x3a0 [ 404.521455] _sctp_make_chunk+0x3f/0x260 [ 404.525512] sctp_make_datafrag_empty+0x159/0x260 [ 404.530342] ? sctp_make_ecne+0xf0/0xf0 [ 404.534308] ? process_measurement+0x805/0x14b0 [ 404.538967] sctp_datamsg_from_user+0x4d7/0xf30 [ 404.543629] ? mark_held_locks+0x130/0x130 [ 404.547862] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 404.552439] ? find_held_lock+0x36/0x1d0 [ 404.556535] ? sctp_clear_owner_w+0xf0/0xf0 [ 404.560876] ? lock_sock_nested+0xc5/0x100 [ 404.565100] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.569668] ? __local_bh_enable_ip+0x160/0x260 [ 404.574342] ? lock_sock_nested+0x82/0x100 [ 404.578566] ? trace_hardirqs_on+0x28/0x190 [ 404.582877] ? lock_sock_nested+0x82/0x100 [ 404.587102] ? lock_sock_nested+0x82/0x100 [ 404.591328] ? __local_bh_enable_ip+0x160/0x260 [ 404.595987] sctp_sendmsg+0xb80/0x1710 [ 404.599865] ? sctp_id2assoc+0x250/0x250 [ 404.603913] ? ___might_sleep+0x16b/0x270 [ 404.608056] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.612981] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 404.617899] inet_sendmsg+0x108/0x440 [ 404.621704] ? security_socket_sendmsg+0x4a/0x90 [ 404.626451] ? ipip_gro_receive+0xf0/0xf0 [ 404.630613] sock_sendmsg+0xb5/0xf0 [ 404.634232] sock_write_iter+0x1e9/0x3d0 [ 404.638282] ? sock_sendmsg+0xf0/0xf0 [ 404.642081] __vfs_write+0x4a3/0x970 [ 404.645778] ? lock_downgrade+0x7f0/0x7f0 [ 404.649951] ? kernel_read+0x130/0x130 [ 404.653836] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.658761] ? apparmor_file_permission+0x15/0x20 [ 404.663591] ? rw_verify_area+0xb8/0x2b0 [ 404.667642] vfs_write+0x150/0x4e0 [ 404.671171] ksys_write+0xcd/0x1b0 [ 404.674703] ? __ia32_sys_read+0xa0/0xa0 [ 404.678756] ? do_syscall_64+0x21/0x4d0 [ 404.682737] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.688095] __x64_sys_write+0x6e/0xb0 [ 404.692002] do_syscall_64+0xd0/0x4d0 [ 404.695791] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.701111] RIP: 0033:0x4592c9 [ 404.704291] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 404.723185] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 404.730900] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 404.738160] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 404.745413] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 404.763867] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 404.771124] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 404.778399] CPU: 0 PID: 12826 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 404.785591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.794936] Call Trace: [ 404.797524] dump_stack+0x113/0x167 [ 404.797540] should_fail.cold.4+0x5/0x13 [ 404.797549] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 404.797556] ? lock_downgrade+0x7f0/0x7f0 [ 404.797564] ? ___might_sleep+0x16b/0x270 [ 404.797575] __should_failslab+0xba/0xf0 [ 404.797582] should_failslab+0x9/0x14 [ 404.797587] kmem_cache_alloc_node+0x270/0x730 [ 404.797602] __alloc_skb+0xa7/0x570 [ 404.797610] ? skb_scrub_packet+0x3a0/0x3a0 [ 404.797630] _sctp_make_chunk+0x3f/0x260 [ 404.797639] sctp_make_datafrag_empty+0x159/0x260 [ 404.797646] ? sctp_make_ecne+0xf0/0xf0 [ 404.805322] sctp_datamsg_from_user+0x4d7/0xf30 [ 404.805332] ? mark_held_locks+0x130/0x130 [ 404.805345] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 404.805349] ? __lock_is_held+0xb5/0x140 [ 404.805356] ? find_held_lock+0x36/0x1d0 [ 404.805366] ? sctp_clear_owner_w+0xf0/0xf0 [ 404.879441] ? lock_sock_nested+0xc5/0x100 [ 404.887070] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.891648] ? __local_bh_enable_ip+0x160/0x260 [ 404.896315] ? lock_sock_nested+0x82/0x100 [ 404.900539] ? trace_hardirqs_on+0x28/0x190 [ 404.904849] ? lock_sock_nested+0x82/0x100 [ 404.909076] ? __local_bh_enable_ip+0x160/0x260 [ 404.913745] sctp_sendmsg+0xb80/0x1710 [ 404.917641] ? sctp_id2assoc+0x250/0x250 [ 404.921701] ? ___might_sleep+0x16b/0x270 [ 404.925838] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.930767] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 404.935699] inet_sendmsg+0x108/0x440 [ 404.939491] ? security_socket_sendmsg+0x4a/0x90 [ 404.944236] ? ipip_gro_receive+0xf0/0xf0 [ 404.948379] sock_sendmsg+0xb5/0xf0 [ 404.951998] sock_write_iter+0x1e9/0x3d0 [ 404.956055] ? sock_sendmsg+0xf0/0xf0 [ 404.959859] __vfs_write+0x4a3/0x970 [ 404.963569] ? lock_downgrade+0x7f0/0x7f0 [ 404.967707] ? kernel_read+0x130/0x130 [ 404.971587] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 404.976518] ? apparmor_file_permission+0x15/0x20 [ 404.981360] ? rw_verify_area+0xb8/0x2b0 [ 404.985419] vfs_write+0x150/0x4e0 [ 404.988952] ksys_write+0xcd/0x1b0 [ 404.992500] ? __ia32_sys_read+0xa0/0xa0 [ 404.996559] ? do_syscall_64+0x21/0x4d0 [ 405.000526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.005883] __x64_sys_write+0x6e/0xb0 [ 405.009761] do_syscall_64+0xd0/0x4d0 [ 405.013557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.018739] RIP: 0033:0x4592c9 [ 405.021923] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 405.040816] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 405.048516] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 405.055778] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 405.063046] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 405.070314] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 405.077573] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 405.084855] CPU: 1 PID: 12820 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 405.092052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.101397] Call Trace: [ 405.103973] dump_stack+0x113/0x167 [ 405.107609] should_fail.cold.4+0x5/0x13 [ 405.111673] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 405.116777] ? lock_downgrade+0x7f0/0x7f0 [ 405.120939] ? ___might_sleep+0x16b/0x270 [ 405.125086] __should_failslab+0xba/0xf0 [ 405.129177] should_failslab+0x9/0x14 [ 405.132977] kmem_cache_alloc_trace+0x2d8/0x740 [ 405.137651] sctp_datamsg_from_user+0x7f/0xf30 [ 405.142239] ? kmem_cache_alloc_trace+0x353/0x740 [ 405.147081] ? sctp_sched_init_sid+0xf1/0x170 [ 405.151585] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 405.154213] FAULT_INJECTION: forcing a failure. [ 405.154213] name failslab, interval 1, probability 0, space 0, times 0 [ 405.156165] ? find_held_lock+0x36/0x1d0 [ 405.156177] ? sctp_clear_owner_w+0xf0/0xf0 [ 405.156185] ? lock_sock_nested+0xc5/0x100 [ 405.156190] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.156196] ? __local_bh_enable_ip+0x160/0x260 [ 405.156201] ? lock_sock_nested+0x82/0x100 [ 405.193381] ? trace_hardirqs_on+0x28/0x190 [ 405.197692] ? lock_sock_nested+0x82/0x100 [ 405.201914] ? lock_sock_nested+0x82/0x100 [ 405.206143] ? __local_bh_enable_ip+0x160/0x260 [ 405.210815] sctp_sendmsg+0xb80/0x1710 [ 405.214695] ? sctp_id2assoc+0x250/0x250 [ 405.218747] ? ___might_sleep+0x16b/0x270 [ 405.222912] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.227843] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 405.232769] inet_sendmsg+0x108/0x440 [ 405.236559] ? security_socket_sendmsg+0x4a/0x90 [ 405.241308] ? ipip_gro_receive+0xf0/0xf0 [ 405.245449] sock_sendmsg+0xb5/0xf0 [ 405.249064] sock_write_iter+0x1e9/0x3d0 [ 405.253114] ? sock_sendmsg+0xf0/0xf0 [ 405.256919] __vfs_write+0x4a3/0x970 [ 405.260624] ? lock_downgrade+0x7f0/0x7f0 [ 405.264758] ? kernel_read+0x130/0x130 [ 405.268636] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.273561] ? apparmor_file_permission+0x15/0x20 [ 405.278398] ? rw_verify_area+0xb8/0x2b0 [ 405.282450] vfs_write+0x150/0x4e0 [ 405.285992] ksys_write+0xcd/0x1b0 [ 405.289520] ? __ia32_sys_read+0xa0/0xa0 [ 405.293573] ? do_syscall_64+0x21/0x4d0 [ 405.297542] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.302898] __x64_sys_write+0x6e/0xb0 [ 405.306777] do_syscall_64+0xd0/0x4d0 [ 405.310577] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.315754] RIP: 0033:0x4592c9 [ 405.318933] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 405.337836] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 405.345536] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 405.352796] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 405.360059] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 405.367317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 405.374574] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 405.381850] CPU: 0 PID: 12840 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 405.389040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.398387] Call Trace: [ 405.400972] dump_stack+0x113/0x167 [ 405.404599] should_fail.cold.4+0x5/0x13 [ 405.408661] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 405.413760] ? lock_downgrade+0x7f0/0x7f0 [ 405.417914] ? ___might_sleep+0x16b/0x270 [ 405.422065] __should_failslab+0xba/0xf0 [ 405.426123] should_failslab+0x9/0x14 [ 405.429919] kmem_cache_alloc_node+0x270/0x730 [ 405.434501] ? find_held_lock+0x36/0x1d0 [ 405.438572] __alloc_skb+0xa7/0x570 [ 405.442197] ? skb_scrub_packet+0x3a0/0x3a0 [ 405.446525] _sctp_make_chunk+0x3f/0x260 [ 405.450583] sctp_make_datafrag_empty+0x159/0x260 [ 405.455440] ? sctp_make_ecne+0xf0/0xf0 [ 405.459418] ? process_measurement+0x805/0x14b0 [ 405.462347] FAULT_INJECTION: forcing a failure. [ 405.462347] name failslab, interval 1, probability 0, space 0, times 0 [ 405.464081] sctp_datamsg_from_user+0x4d7/0xf30 [ 405.464092] ? mark_held_locks+0x130/0x130 [ 405.464104] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 405.464112] ? find_held_lock+0x36/0x1d0 [ 405.464122] ? sctp_clear_owner_w+0xf0/0xf0 [ 405.464131] ? lock_sock_nested+0xc5/0x100 [ 405.501393] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.505968] ? __local_bh_enable_ip+0x160/0x260 [ 405.510626] ? lock_sock_nested+0x82/0x100 [ 405.514852] ? trace_hardirqs_on+0x28/0x190 [ 405.519171] ? lock_sock_nested+0x82/0x100 [ 405.523408] ? lock_sock_nested+0x82/0x100 [ 405.527637] ? __local_bh_enable_ip+0x160/0x260 [ 405.532312] sctp_sendmsg+0xb80/0x1710 [ 405.536195] ? sctp_id2assoc+0x250/0x250 [ 405.540251] ? ___might_sleep+0x16b/0x270 [ 405.544398] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.549333] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 405.554256] inet_sendmsg+0x108/0x440 [ 405.558052] ? security_socket_sendmsg+0x4a/0x90 [ 405.562799] ? ipip_gro_receive+0xf0/0xf0 [ 405.566939] sock_sendmsg+0xb5/0xf0 [ 405.570558] sock_write_iter+0x1e9/0x3d0 [ 405.574608] ? sock_sendmsg+0xf0/0xf0 [ 405.578411] __vfs_write+0x4a3/0x970 [ 405.582125] ? lock_downgrade+0x7f0/0x7f0 [ 405.586266] ? kernel_read+0x130/0x130 [ 405.590147] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.595069] ? apparmor_file_permission+0x15/0x20 [ 405.599901] ? rw_verify_area+0xb8/0x2b0 [ 405.599910] vfs_write+0x150/0x4e0 [ 405.599918] ksys_write+0xcd/0x1b0 [ 405.599924] ? __ia32_sys_read+0xa0/0xa0 [ 405.599933] ? do_syscall_64+0x21/0x4d0 [ 405.599941] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.599950] __x64_sys_write+0x6e/0xb0 [ 405.599957] do_syscall_64+0xd0/0x4d0 [ 405.599965] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.599970] RIP: 0033:0x4592c9 [ 405.599977] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 405.599980] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 405.599987] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 405.599991] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 405.599994] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 405.599997] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 405.600001] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 405.602105] CPU: 0 PID: 12845 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 405.619325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.619328] Call Trace: [ 405.619339] dump_stack+0x113/0x167 [ 405.619350] should_fail.cold.4+0x5/0x13 [ 405.619358] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 405.674570] ? lock_downgrade+0x7f0/0x7f0 [ 405.696397] ? ___might_sleep+0x16b/0x270 [ 405.696409] __should_failslab+0xba/0xf0 [ 405.696417] should_failslab+0x9/0x14 [ 405.696422] kmem_cache_alloc_node+0x270/0x730 [ 405.696431] ? find_held_lock+0x36/0x1d0 [ 405.720243] __alloc_skb+0xa7/0x570 [ 405.720253] ? skb_scrub_packet+0x3a0/0x3a0 [ 405.720267] _sctp_make_chunk+0x3f/0x260 [ 405.720276] sctp_make_datafrag_empty+0x159/0x260 [ 405.720283] ? sctp_make_ecne+0xf0/0xf0 [ 405.720293] ? process_measurement+0x805/0x14b0 [ 405.720310] sctp_datamsg_from_user+0x4d7/0xf30 [ 405.720321] ? mark_held_locks+0x130/0x130 [ 405.720333] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 405.720339] ? find_held_lock+0x36/0x1d0 [ 405.720349] ? sctp_clear_owner_w+0xf0/0xf0 [ 405.720354] ? lock_sock_nested+0xc5/0x100 [ 405.720358] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.720364] ? __local_bh_enable_ip+0x160/0x260 [ 405.720368] ? lock_sock_nested+0x82/0x100 [ 405.720373] ? trace_hardirqs_on+0x28/0x190 [ 405.737247] ? lock_sock_nested+0x82/0x100 [ 405.737253] ? lock_sock_nested+0x82/0x100 [ 405.737261] ? __local_bh_enable_ip+0x160/0x260 [ 405.737272] sctp_sendmsg+0xb80/0x1710 [ 405.737283] ? sctp_id2assoc+0x250/0x250 [ 405.737291] ? ___might_sleep+0x16b/0x270 [ 405.737308] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.737322] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 405.737332] inet_sendmsg+0x108/0x440 [ 405.737338] ? security_socket_sendmsg+0x4a/0x90 [ 405.737344] ? ipip_gro_receive+0xf0/0xf0 [ 405.737351] sock_sendmsg+0xb5/0xf0 [ 405.809013] FAULT_INJECTION: forcing a failure. [ 405.809013] name failslab, interval 1, probability 0, space 0, times 0 [ 405.809346] sock_write_iter+0x1e9/0x3d0 [ 405.809355] ? sock_sendmsg+0xf0/0xf0 [ 405.809374] __vfs_write+0x4a3/0x970 [ 405.866466] ? lock_downgrade+0x7f0/0x7f0 [ 405.874989] ? kernel_read+0x130/0x130 [ 405.913415] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 405.918341] ? apparmor_file_permission+0x15/0x20 [ 405.923176] ? rw_verify_area+0xb8/0x2b0 [ 405.927231] vfs_write+0x150/0x4e0 [ 405.930763] ksys_write+0xcd/0x1b0 [ 405.934292] ? __ia32_sys_read+0xa0/0xa0 [ 405.938350] ? do_syscall_64+0x21/0x4d0 [ 405.942321] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.947677] __x64_sys_write+0x6e/0xb0 [ 405.951558] do_syscall_64+0xd0/0x4d0 [ 405.955348] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.960525] RIP: 0033:0x4592c9 [ 405.963711] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 405.982606] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 405.990313] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 405.997578] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 406.004843] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 406.012111] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 406.019382] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 406.026665] CPU: 1 PID: 12853 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 406.033859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.043206] Call Trace: [ 406.045795] dump_stack+0x113/0x167 [ 406.049444] should_fail.cold.4+0x5/0x13 [ 406.053505] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 406.058607] ? lock_downgrade+0x7f0/0x7f0 [ 406.062761] ? ___might_sleep+0x16b/0x270 [ 406.066920] __should_failslab+0xba/0xf0 [ 406.070980] should_failslab+0x9/0x14 [ 406.074780] kmem_cache_alloc_node+0x270/0x730 [ 406.079369] ? find_held_lock+0x36/0x1d0 [ 406.083442] __alloc_skb+0xa7/0x570 [ 406.087076] ? skb_scrub_packet+0x3a0/0x3a0 [ 406.088215] FAULT_INJECTION: forcing a failure. [ 406.088215] name failslab, interval 1, probability 0, space 0, times 0 [ 406.091402] _sctp_make_chunk+0x3f/0x260 [ 406.091412] sctp_make_datafrag_empty+0x159/0x260 [ 406.091419] ? sctp_make_ecne+0xf0/0xf0 [ 406.091430] ? process_measurement+0x805/0x14b0 [ 406.091439] sctp_datamsg_from_user+0x4d7/0xf30 [ 406.091447] ? mark_held_locks+0x130/0x130 [ 406.128994] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 406.133568] ? find_held_lock+0x36/0x1d0 [ 406.137623] ? sctp_clear_owner_w+0xf0/0xf0 [ 406.141937] ? lock_sock_nested+0xc5/0x100 [ 406.146163] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.150736] ? __local_bh_enable_ip+0x160/0x260 [ 406.155391] ? lock_sock_nested+0x82/0x100 [ 406.159613] ? trace_hardirqs_on+0x28/0x190 [ 406.163920] ? lock_sock_nested+0x82/0x100 [ 406.168144] ? lock_sock_nested+0x82/0x100 [ 406.172370] ? __local_bh_enable_ip+0x160/0x260 [ 406.177031] sctp_sendmsg+0xb80/0x1710 [ 406.180917] ? sctp_id2assoc+0x250/0x250 [ 406.184969] ? ___might_sleep+0x16b/0x270 [ 406.189113] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 406.194058] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 406.198988] inet_sendmsg+0x108/0x440 [ 406.202780] ? security_socket_sendmsg+0x4a/0x90 [ 406.207552] ? ipip_gro_receive+0xf0/0xf0 [ 406.211696] sock_sendmsg+0xb5/0xf0 [ 406.215316] sock_write_iter+0x1e9/0x3d0 [ 406.219367] ? sock_sendmsg+0xf0/0xf0 [ 406.223169] __vfs_write+0x4a3/0x970 [ 406.226871] ? lock_downgrade+0x7f0/0x7f0 [ 406.231010] ? kernel_read+0x130/0x130 [ 406.234891] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 406.239818] ? apparmor_file_permission+0x15/0x20 [ 406.244656] ? rw_verify_area+0xb8/0x2b0 [ 406.248715] vfs_write+0x150/0x4e0 [ 406.252244] ksys_write+0xcd/0x1b0 [ 406.255774] ? __ia32_sys_read+0xa0/0xa0 [ 406.259830] ? do_syscall_64+0x21/0x4d0 [ 406.263796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.269155] __x64_sys_write+0x6e/0xb0 [ 406.273034] do_syscall_64+0xd0/0x4d0 [ 406.276829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.282004] RIP: 0033:0x4592c9 [ 406.285209] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 406.304100] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 406.312056] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 406.319315] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 406.326578] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 406.333870] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 406.341126] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 406.348916] CPU: 0 PID: 12861 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 406.356112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.365463] Call Trace: [ 406.365477] dump_stack+0x113/0x167 [ 406.365488] should_fail.cold.4+0x5/0x13 [ 406.365495] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 406.365501] ? lock_downgrade+0x7f0/0x7f0 [ 406.365510] ? ___might_sleep+0x16b/0x270 [ 406.365520] __should_failslab+0xba/0xf0 [ 406.365528] should_failslab+0x9/0x14 [ 406.365533] kmem_cache_alloc_node+0x270/0x730 [ 406.384989] ? find_held_lock+0x36/0x1d0 [ 406.385004] __alloc_skb+0xa7/0x570 [ 406.385011] ? skb_scrub_packet+0x3a0/0x3a0 [ 406.393204] _sctp_make_chunk+0x3f/0x260 [ 406.393213] sctp_make_datafrag_empty+0x159/0x260 [ 406.393220] ? sctp_make_ecne+0xf0/0xf0 [ 406.401581] ? process_measurement+0x805/0x14b0 [ 406.401592] sctp_datamsg_from_user+0x4d7/0xf30 [ 406.401603] ? mark_held_locks+0x130/0x130 [ 406.409272] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 406.409281] ? find_held_lock+0x36/0x1d0 [ 406.409291] ? sctp_clear_owner_w+0xf0/0xf0 [ 406.409298] ? lock_sock_nested+0xc5/0x100 [ 406.409309] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.409315] ? __local_bh_enable_ip+0x160/0x260 [ 406.409320] ? lock_sock_nested+0x82/0x100 [ 406.409326] ? trace_hardirqs_on+0x28/0x190 [ 406.409330] ? lock_sock_nested+0x82/0x100 [ 406.409334] ? lock_sock_nested+0x82/0x100 2019/06/15 21:34:42 executed programs: 1471 [ 406.409340] ? __local_bh_enable_ip+0x160/0x260 [ 406.409349] sctp_sendmsg+0xb80/0x1710 [ 406.491871] ? sctp_id2assoc+0x250/0x250 [ 406.495931] ? ___might_sleep+0x16b/0x270 [ 406.500082] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 406.505007] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 406.505018] inet_sendmsg+0x108/0x440 [ 406.505025] ? security_socket_sendmsg+0x4a/0x90 [ 406.505030] ? ipip_gro_receive+0xf0/0xf0 [ 406.505039] sock_sendmsg+0xb5/0xf0 [ 406.513746] sock_write_iter+0x1e9/0x3d0 [ 406.530282] ? sock_sendmsg+0xf0/0xf0 [ 406.534113] __vfs_write+0x4a3/0x970 [ 406.537827] ? lock_downgrade+0x7f0/0x7f0 [ 406.541968] ? kernel_read+0x130/0x130 [ 406.545849] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 406.550781] ? apparmor_file_permission+0x15/0x20 [ 406.555630] ? rw_verify_area+0xb8/0x2b0 [ 406.559690] vfs_write+0x150/0x4e0 [ 406.563234] ksys_write+0xcd/0x1b0 [ 406.566778] ? __ia32_sys_read+0xa0/0xa0 [ 406.570842] ? do_syscall_64+0x21/0x4d0 [ 406.574817] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.580182] __x64_sys_write+0x6e/0xb0 [ 406.584067] do_syscall_64+0xd0/0x4d0 [ 406.587874] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.592199] FAULT_INJECTION: forcing a failure. [ 406.592199] name failslab, interval 1, probability 0, space 0, times 0 [ 406.593057] RIP: 0033:0x4592c9 [ 406.593063] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 406.593067] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 406.593073] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 406.593077] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 406.593080] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 406.593084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 406.593087] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 406.711194] FAULT_INJECTION: forcing a failure. [ 406.711194] name failslab, interval 1, probability 0, space 0, times 0 [ 406.779699] FAULT_INJECTION: forcing a failure. [ 406.779699] name failslab, interval 1, probability 0, space 0, times 0 [ 406.795343] CPU: 1 PID: 12898 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 406.802544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.811893] Call Trace: [ 406.814484] dump_stack+0x113/0x167 [ 406.818113] should_fail.cold.4+0x5/0x13 [ 406.822171] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 406.827277] ? lock_downgrade+0x7f0/0x7f0 [ 406.829736] FAULT_INJECTION: forcing a failure. [ 406.829736] name failslab, interval 1, probability 0, space 0, times 0 [ 406.831416] ? ___might_sleep+0x16b/0x270 [ 406.831427] __should_failslab+0xba/0xf0 [ 406.831435] should_failslab+0x9/0x14 [ 406.831440] kmem_cache_alloc_node+0x270/0x730 [ 406.831446] ? find_held_lock+0x36/0x1d0 [ 406.864716] __alloc_skb+0xa7/0x570 [ 406.868341] ? skb_scrub_packet+0x3a0/0x3a0 [ 406.872666] _sctp_make_chunk+0x3f/0x260 [ 406.876724] sctp_make_datafrag_empty+0x159/0x260 [ 406.882079] ? sctp_make_ecne+0xf0/0xf0 [ 406.886045] ? process_measurement+0x805/0x14b0 [ 406.890710] sctp_datamsg_from_user+0x4d7/0xf30 [ 406.895374] ? mark_held_locks+0x130/0x130 [ 406.899602] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 406.904179] ? find_held_lock+0x36/0x1d0 [ 406.908232] ? sctp_clear_owner_w+0xf0/0xf0 [ 406.912546] ? lock_sock_nested+0xc5/0x100 [ 406.916769] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.921345] ? __local_bh_enable_ip+0x160/0x260 [ 406.926004] ? lock_sock_nested+0x82/0x100 [ 406.930226] ? trace_hardirqs_on+0x28/0x190 [ 406.934535] ? lock_sock_nested+0x82/0x100 [ 406.938759] ? lock_sock_nested+0x82/0x100 [ 406.942985] ? __local_bh_enable_ip+0x160/0x260 [ 406.947652] sctp_sendmsg+0xb80/0x1710 [ 406.951534] ? sctp_id2assoc+0x250/0x250 [ 406.955584] ? ___might_sleep+0x16b/0x270 [ 406.959726] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 406.964656] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 406.969581] inet_sendmsg+0x108/0x440 [ 406.973373] ? security_socket_sendmsg+0x4a/0x90 [ 406.978117] ? ipip_gro_receive+0xf0/0xf0 [ 406.982280] sock_sendmsg+0xb5/0xf0 [ 406.985900] sock_write_iter+0x1e9/0x3d0 [ 406.989953] ? sock_sendmsg+0xf0/0xf0 [ 406.993754] __vfs_write+0x4a3/0x970 [ 406.997464] ? lock_downgrade+0x7f0/0x7f0 [ 407.001599] ? kernel_read+0x130/0x130 [ 407.005481] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.010407] ? apparmor_file_permission+0x15/0x20 [ 407.015240] ? rw_verify_area+0xb8/0x2b0 [ 407.019292] vfs_write+0x150/0x4e0 [ 407.022830] ksys_write+0xcd/0x1b0 [ 407.026362] ? __ia32_sys_read+0xa0/0xa0 [ 407.030412] ? do_syscall_64+0x21/0x4d0 [ 407.034380] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.039740] __x64_sys_write+0x6e/0xb0 [ 407.043619] do_syscall_64+0xd0/0x4d0 [ 407.047412] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.052593] RIP: 0033:0x4592c9 [ 407.055781] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 407.074677] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 407.082371] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 407.089634] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 407.096894] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 407.104151] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 407.111414] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 407.118712] CPU: 0 PID: 12889 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 407.120335] FAULT_INJECTION: forcing a failure. [ 407.120335] name failslab, interval 1, probability 0, space 0, times 0 [ 407.125927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.125930] Call Trace: [ 407.137960] FAULT_INJECTION: forcing a failure. [ 407.137960] name failslab, interval 1, probability 0, space 0, times 0 [ 407.146453] dump_stack+0x113/0x167 [ 407.163799] should_fail.cold.4+0x5/0x13 [ 407.167857] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 407.172963] ? lock_downgrade+0x7f0/0x7f0 [ 407.177116] ? ___might_sleep+0x16b/0x270 [ 407.181264] __should_failslab+0xba/0xf0 [ 407.185317] should_failslab+0x9/0x14 [ 407.189110] kmem_cache_alloc_node+0x270/0x730 [ 407.193683] ? find_held_lock+0x36/0x1d0 [ 407.197741] __alloc_skb+0xa7/0x570 [ 407.201370] ? skb_scrub_packet+0x3a0/0x3a0 [ 407.205721] _sctp_make_chunk+0x3f/0x260 [ 407.209777] sctp_make_datafrag_empty+0x159/0x260 [ 407.214627] ? sctp_make_ecne+0xf0/0xf0 [ 407.218593] ? process_measurement+0x805/0x14b0 [ 407.223258] sctp_datamsg_from_user+0x4d7/0xf30 [ 407.227935] ? mark_held_locks+0x130/0x130 [ 407.232173] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 407.236748] ? find_held_lock+0x36/0x1d0 [ 407.240834] ? sctp_clear_owner_w+0xf0/0xf0 [ 407.245160] ? lock_sock_nested+0xc5/0x100 [ 407.249384] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.253954] ? __local_bh_enable_ip+0x160/0x260 [ 407.258615] ? lock_sock_nested+0x82/0x100 [ 407.262837] ? trace_hardirqs_on+0x28/0x190 [ 407.267147] ? lock_sock_nested+0x82/0x100 [ 407.271368] ? lock_sock_nested+0x82/0x100 [ 407.275591] ? __local_bh_enable_ip+0x160/0x260 [ 407.280256] sctp_sendmsg+0xb80/0x1710 [ 407.284135] ? sctp_id2assoc+0x250/0x250 [ 407.288185] ? ___might_sleep+0x16b/0x270 [ 407.292331] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.297266] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 407.302197] inet_sendmsg+0x108/0x440 [ 407.305986] ? security_socket_sendmsg+0x4a/0x90 [ 407.310732] ? ipip_gro_receive+0xf0/0xf0 [ 407.314965] sock_sendmsg+0xb5/0xf0 [ 407.318588] sock_write_iter+0x1e9/0x3d0 [ 407.322638] ? sock_sendmsg+0xf0/0xf0 [ 407.326443] __vfs_write+0x4a3/0x970 [ 407.330150] ? lock_downgrade+0x7f0/0x7f0 [ 407.334290] ? kernel_read+0x130/0x130 [ 407.338171] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.343094] ? apparmor_file_permission+0x15/0x20 [ 407.347927] ? rw_verify_area+0xb8/0x2b0 [ 407.351982] vfs_write+0x150/0x4e0 [ 407.355516] ksys_write+0xcd/0x1b0 [ 407.359056] ? __ia32_sys_read+0xa0/0xa0 [ 407.363107] ? do_syscall_64+0x21/0x4d0 [ 407.367073] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.372446] __x64_sys_write+0x6e/0xb0 [ 407.376327] do_syscall_64+0xd0/0x4d0 [ 407.380125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.385340] RIP: 0033:0x4592c9 [ 407.388531] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 407.407507] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 407.415206] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 407.422464] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 407.429720] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 407.436979] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 407.444234] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 407.451509] CPU: 1 PID: 12901 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 407.458704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.468056] Call Trace: [ 407.470639] dump_stack+0x113/0x167 [ 407.474265] should_fail.cold.4+0x5/0x13 [ 407.478318] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 407.483415] ? lock_downgrade+0x7f0/0x7f0 [ 407.487560] ? ___might_sleep+0x16b/0x270 [ 407.491701] __should_failslab+0xba/0xf0 [ 407.495754] should_failslab+0x9/0x14 [ 407.499543] kmem_cache_alloc_node+0x270/0x730 [ 407.504116] ? find_held_lock+0x36/0x1d0 [ 407.508174] __alloc_skb+0xa7/0x570 [ 407.511796] ? skb_scrub_packet+0x3a0/0x3a0 [ 407.516130] _sctp_make_chunk+0x3f/0x260 [ 407.520184] sctp_make_datafrag_empty+0x159/0x260 [ 407.525020] ? sctp_make_ecne+0xf0/0xf0 [ 407.528989] ? process_measurement+0x805/0x14b0 [ 407.533651] sctp_datamsg_from_user+0x4d7/0xf30 [ 407.538311] ? mark_held_locks+0x130/0x130 [ 407.542548] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 407.547119] ? find_held_lock+0x36/0x1d0 [ 407.551177] ? sctp_clear_owner_w+0xf0/0xf0 [ 407.555493] ? lock_sock_nested+0xc5/0x100 [ 407.559716] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.564288] ? __local_bh_enable_ip+0x160/0x260 [ 407.568942] ? lock_sock_nested+0x82/0x100 [ 407.573163] ? trace_hardirqs_on+0x28/0x190 [ 407.577478] ? lock_sock_nested+0x82/0x100 [ 407.581701] ? lock_sock_nested+0x82/0x100 [ 407.586201] ? __local_bh_enable_ip+0x160/0x260 [ 407.590865] sctp_sendmsg+0xb80/0x1710 [ 407.594749] ? sctp_id2assoc+0x250/0x250 [ 407.598799] ? ___might_sleep+0x16b/0x270 [ 407.602952] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.607889] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 407.612819] inet_sendmsg+0x108/0x440 [ 407.616634] ? security_socket_sendmsg+0x4a/0x90 [ 407.621378] ? ipip_gro_receive+0xf0/0xf0 [ 407.625540] sock_sendmsg+0xb5/0xf0 [ 407.629159] sock_write_iter+0x1e9/0x3d0 [ 407.633208] ? sock_sendmsg+0xf0/0xf0 [ 407.637010] __vfs_write+0x4a3/0x970 [ 407.640721] ? lock_downgrade+0x7f0/0x7f0 [ 407.644856] ? kernel_read+0x130/0x130 [ 407.648740] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.653675] ? apparmor_file_permission+0x15/0x20 [ 407.658515] ? rw_verify_area+0xb8/0x2b0 [ 407.662567] vfs_write+0x150/0x4e0 [ 407.666129] ksys_write+0xcd/0x1b0 [ 407.669663] ? __ia32_sys_read+0xa0/0xa0 [ 407.673714] ? do_syscall_64+0x21/0x4d0 [ 407.677680] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.683043] __x64_sys_write+0x6e/0xb0 [ 407.686922] do_syscall_64+0xd0/0x4d0 [ 407.691063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.696244] RIP: 0033:0x4592c9 [ 407.699431] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 407.718325] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 407.726023] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 407.734313] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 407.741571] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 407.748840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 407.756135] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 407.763979] CPU: 0 PID: 12894 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 407.771178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.780521] Call Trace: [ 407.783108] dump_stack+0x113/0x167 [ 407.786744] should_fail.cold.4+0x5/0x13 [ 407.790802] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 407.795901] ? lock_downgrade+0x7f0/0x7f0 [ 407.800052] ? ___might_sleep+0x16b/0x270 [ 407.804196] __should_failslab+0xba/0xf0 [ 407.808246] should_failslab+0x9/0x14 [ 407.812036] kmem_cache_alloc_trace+0x2d8/0x740 [ 407.816704] sctp_datamsg_from_user+0x7f/0xf30 [ 407.821278] ? kmem_cache_alloc_trace+0x353/0x740 [ 407.826122] ? sctp_sched_init_sid+0xf1/0x170 [ 407.830618] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 407.835370] ? find_held_lock+0x36/0x1d0 [ 407.839426] ? sctp_clear_owner_w+0xf0/0xf0 [ 407.843735] ? lock_sock_nested+0xc5/0x100 [ 407.847957] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.852525] ? __local_bh_enable_ip+0x160/0x260 [ 407.857181] ? lock_sock_nested+0x82/0x100 [ 407.861405] ? trace_hardirqs_on+0x28/0x190 [ 407.865714] ? lock_sock_nested+0x82/0x100 [ 407.869938] ? lock_sock_nested+0x82/0x100 [ 407.874160] ? __local_bh_enable_ip+0x160/0x260 [ 407.878852] sctp_sendmsg+0xb80/0x1710 [ 407.882738] ? sctp_id2assoc+0x250/0x250 [ 407.886789] ? ___might_sleep+0x16b/0x270 [ 407.890937] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.895864] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 407.900791] inet_sendmsg+0x108/0x440 [ 407.904581] ? security_socket_sendmsg+0x4a/0x90 [ 407.909332] ? ipip_gro_receive+0xf0/0xf0 [ 407.913470] sock_sendmsg+0xb5/0xf0 [ 407.917092] sock_write_iter+0x1e9/0x3d0 [ 407.921142] ? sock_sendmsg+0xf0/0xf0 [ 407.924945] __vfs_write+0x4a3/0x970 [ 407.928651] ? lock_downgrade+0x7f0/0x7f0 [ 407.932792] ? kernel_read+0x130/0x130 [ 407.936670] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 407.941591] ? apparmor_file_permission+0x15/0x20 [ 407.946423] ? rw_verify_area+0xb8/0x2b0 [ 407.950493] vfs_write+0x150/0x4e0 [ 407.954033] ksys_write+0xcd/0x1b0 [ 407.957563] ? __ia32_sys_read+0xa0/0xa0 [ 407.961612] ? do_syscall_64+0x21/0x4d0 [ 407.965573] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.970925] __x64_sys_write+0x6e/0xb0 [ 407.974804] do_syscall_64+0xd0/0x4d0 [ 407.978600] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.983783] RIP: 0033:0x4592c9 [ 407.986969] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 408.005890] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.013585] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 408.020844] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 408.028101] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 408.035361] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 408.042624] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 408.049902] CPU: 1 PID: 12878 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 408.057096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.066444] Call Trace: [ 408.069037] dump_stack+0x113/0x167 [ 408.072672] should_fail.cold.4+0x5/0x13 [ 408.076732] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 408.081839] ? lock_downgrade+0x7f0/0x7f0 [ 408.085990] ? ___might_sleep+0x16b/0x270 [ 408.090141] __should_failslab+0xba/0xf0 [ 408.094202] should_failslab+0x9/0x14 [ 408.097997] kmem_cache_alloc_node+0x270/0x730 [ 408.099275] FAULT_INJECTION: forcing a failure. [ 408.099275] name failslab, interval 1, probability 0, space 0, times 0 [ 408.102662] ? find_held_lock+0x36/0x1d0 [ 408.102675] __alloc_skb+0xa7/0x570 [ 408.102683] ? skb_scrub_packet+0x3a0/0x3a0 [ 408.102698] _sctp_make_chunk+0x3f/0x260 [ 408.102706] sctp_make_datafrag_empty+0x159/0x260 [ 408.102714] ? sctp_make_ecne+0xf0/0xf0 [ 408.138671] ? process_measurement+0x805/0x14b0 [ 408.143340] sctp_datamsg_from_user+0x4d7/0xf30 [ 408.148003] ? mark_held_locks+0x130/0x130 [ 408.152233] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 408.156808] ? find_held_lock+0x36/0x1d0 [ 408.160865] ? sctp_clear_owner_w+0xf0/0xf0 [ 408.165177] ? lock_sock_nested+0xc5/0x100 [ 408.169403] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.174066] ? __local_bh_enable_ip+0x160/0x260 [ 408.178728] ? lock_sock_nested+0x82/0x100 [ 408.182955] ? trace_hardirqs_on+0x28/0x190 [ 408.187261] ? lock_sock_nested+0x82/0x100 [ 408.191481] ? lock_sock_nested+0x82/0x100 [ 408.195713] ? __local_bh_enable_ip+0x160/0x260 [ 408.200378] sctp_sendmsg+0xb80/0x1710 [ 408.204268] ? sctp_id2assoc+0x250/0x250 [ 408.208404] ? ___might_sleep+0x16b/0x270 [ 408.212550] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.217480] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 408.222413] inet_sendmsg+0x108/0x440 [ 408.226201] ? security_socket_sendmsg+0x4a/0x90 [ 408.230952] ? ipip_gro_receive+0xf0/0xf0 [ 408.235091] sock_sendmsg+0xb5/0xf0 [ 408.238715] sock_write_iter+0x1e9/0x3d0 [ 408.242767] ? sock_sendmsg+0xf0/0xf0 [ 408.246574] __vfs_write+0x4a3/0x970 [ 408.250275] ? lock_downgrade+0x7f0/0x7f0 [ 408.254411] ? kernel_read+0x130/0x130 [ 408.258291] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.263216] ? apparmor_file_permission+0x15/0x20 [ 408.268571] ? rw_verify_area+0xb8/0x2b0 [ 408.272628] vfs_write+0x150/0x4e0 [ 408.276163] ksys_write+0xcd/0x1b0 [ 408.279717] ? __ia32_sys_read+0xa0/0xa0 [ 408.283768] ? do_syscall_64+0x21/0x4d0 [ 408.287735] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.293094] __x64_sys_write+0x6e/0xb0 [ 408.296973] do_syscall_64+0xd0/0x4d0 [ 408.300777] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.305960] RIP: 0033:0x4592c9 [ 408.309688] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 408.328580] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.336278] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 408.343542] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 408.350798] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 408.358062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 408.365317] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 408.372597] CPU: 0 PID: 12903 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 408.379790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.379794] Call Trace: [ 408.379808] dump_stack+0x113/0x167 [ 408.379820] should_fail.cold.4+0x5/0x13 [ 408.379828] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 408.379834] ? lock_downgrade+0x7f0/0x7f0 [ 408.379842] ? ___might_sleep+0x16b/0x270 [ 408.379853] __should_failslab+0xba/0xf0 [ 408.379860] should_failslab+0x9/0x14 [ 408.416906] kmem_cache_alloc_node+0x270/0x730 [ 408.425263] ? find_held_lock+0x36/0x1d0 [ 408.429326] __alloc_skb+0xa7/0x570 [ 408.432941] ? skb_scrub_packet+0x3a0/0x3a0 [ 408.437262] _sctp_make_chunk+0x3f/0x260 [ 408.441320] sctp_make_datafrag_empty+0x159/0x260 [ 408.446176] ? sctp_make_ecne+0xf0/0xf0 [ 408.450140] ? process_measurement+0x805/0x14b0 [ 408.454806] sctp_datamsg_from_user+0x4d7/0xf30 [ 408.459467] ? mark_held_locks+0x130/0x130 [ 408.463698] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 408.468277] ? find_held_lock+0x36/0x1d0 [ 408.472334] ? sctp_clear_owner_w+0xf0/0xf0 [ 408.476644] ? lock_sock_nested+0xc5/0x100 [ 408.480867] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.485437] ? __local_bh_enable_ip+0x160/0x260 [ 408.490099] ? lock_sock_nested+0x82/0x100 [ 408.494330] ? trace_hardirqs_on+0x28/0x190 [ 408.498640] ? lock_sock_nested+0x82/0x100 [ 408.502863] ? lock_sock_nested+0x82/0x100 [ 408.507088] ? __local_bh_enable_ip+0x160/0x260 [ 408.511758] sctp_sendmsg+0xb80/0x1710 [ 408.515649] ? sctp_id2assoc+0x250/0x250 [ 408.519709] ? ___might_sleep+0x16b/0x270 [ 408.523851] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.528815] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 408.533745] inet_sendmsg+0x108/0x440 [ 408.537533] ? security_socket_sendmsg+0x4a/0x90 [ 408.542278] ? ipip_gro_receive+0xf0/0xf0 [ 408.546418] sock_sendmsg+0xb5/0xf0 [ 408.550037] sock_write_iter+0x1e9/0x3d0 [ 408.554116] ? sock_sendmsg+0xf0/0xf0 [ 408.557938] __vfs_write+0x4a3/0x970 [ 408.561643] ? lock_downgrade+0x7f0/0x7f0 [ 408.565962] ? kernel_read+0x130/0x130 [ 408.569856] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.574781] ? apparmor_file_permission+0x15/0x20 [ 408.579621] ? rw_verify_area+0xb8/0x2b0 [ 408.583669] vfs_write+0x150/0x4e0 [ 408.587202] ksys_write+0xcd/0x1b0 [ 408.590728] ? __ia32_sys_read+0xa0/0xa0 [ 408.594780] ? do_syscall_64+0x21/0x4d0 [ 408.598742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.604093] __x64_sys_write+0x6e/0xb0 [ 408.607970] do_syscall_64+0xd0/0x4d0 [ 408.611759] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.616937] RIP: 0033:0x4592c9 [ 408.620119] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 408.639007] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.646712] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 408.653973] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 408.661234] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 408.668496] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 408.675760] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 408.683056] CPU: 1 PID: 12900 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 408.690256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.699689] Call Trace: [ 408.699704] dump_stack+0x113/0x167 [ 408.699715] should_fail.cold.4+0x5/0x13 [ 408.699723] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 408.709956] ? lock_downgrade+0x7f0/0x7f0 [ 408.709966] ? ___might_sleep+0x16b/0x270 [ 408.709976] __should_failslab+0xba/0xf0 [ 408.709984] should_failslab+0x9/0x14 [ 408.731198] kmem_cache_alloc_node+0x270/0x730 [ 408.731207] ? find_held_lock+0x36/0x1d0 [ 408.731219] __alloc_skb+0xa7/0x570 [ 408.739860] ? skb_scrub_packet+0x3a0/0x3a0 [ 408.739875] _sctp_make_chunk+0x3f/0x260 [ 408.739883] sctp_make_datafrag_empty+0x159/0x260 [ 408.739890] ? sctp_make_ecne+0xf0/0xf0 [ 408.760038] ? process_measurement+0x805/0x14b0 [ 408.760050] sctp_datamsg_from_user+0x4d7/0xf30 [ 408.760061] ? mark_held_locks+0x130/0x130 [ 408.760073] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 408.760081] ? find_held_lock+0x36/0x1d0 [ 408.760091] ? sctp_clear_owner_w+0xf0/0xf0 [ 408.760098] ? lock_sock_nested+0xc5/0x100 [ 408.773547] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.773554] ? __local_bh_enable_ip+0x160/0x260 [ 408.773560] ? lock_sock_nested+0x82/0x100 [ 408.773566] ? trace_hardirqs_on+0x28/0x190 [ 408.773570] ? lock_sock_nested+0x82/0x100 [ 408.773575] ? lock_sock_nested+0x82/0x100 [ 408.773582] ? __local_bh_enable_ip+0x160/0x260 [ 408.773592] sctp_sendmsg+0xb80/0x1710 [ 408.773603] ? sctp_id2assoc+0x250/0x250 [ 408.794766] FAULT_INJECTION: forcing a failure. [ 408.794766] name failslab, interval 1, probability 0, space 0, times 0 [ 408.795484] ? ___might_sleep+0x16b/0x270 [ 408.795496] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.795511] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 408.795521] inet_sendmsg+0x108/0x440 [ 408.795527] ? security_socket_sendmsg+0x4a/0x90 [ 408.795533] ? ipip_gro_receive+0xf0/0xf0 [ 408.795540] sock_sendmsg+0xb5/0xf0 [ 408.795547] sock_write_iter+0x1e9/0x3d0 [ 408.885687] ? sock_sendmsg+0xf0/0xf0 [ 408.889495] __vfs_write+0x4a3/0x970 [ 408.893208] ? lock_downgrade+0x7f0/0x7f0 [ 408.897348] ? kernel_read+0x130/0x130 [ 408.901225] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 408.906151] ? apparmor_file_permission+0x15/0x20 [ 408.911076] ? rw_verify_area+0xb8/0x2b0 [ 408.915127] vfs_write+0x150/0x4e0 [ 408.918660] ksys_write+0xcd/0x1b0 [ 408.922195] ? __ia32_sys_read+0xa0/0xa0 [ 408.926244] ? do_syscall_64+0x21/0x4d0 [ 408.930211] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.935568] __x64_sys_write+0x6e/0xb0 [ 408.939444] do_syscall_64+0xd0/0x4d0 [ 408.943241] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.948422] RIP: 0033:0x4592c9 [ 408.951610] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 408.970500] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.978201] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 408.985462] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 408.992718] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 408.999974] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 409.007230] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 409.014513] CPU: 0 PID: 12909 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 409.021707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.031058] Call Trace: [ 409.033652] dump_stack+0x113/0x167 [ 409.037283] should_fail.cold.4+0x5/0x13 [ 409.041350] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 409.046455] ? lock_downgrade+0x7f0/0x7f0 [ 409.050602] ? ___might_sleep+0x16b/0x270 [ 409.054749] __should_failslab+0xba/0xf0 [ 409.058810] should_failslab+0x9/0x14 [ 409.062607] kmem_cache_alloc_node+0x270/0x730 [ 409.067187] ? find_held_lock+0x36/0x1d0 [ 409.071251] __alloc_skb+0xa7/0x570 [ 409.074874] ? skb_scrub_packet+0x3a0/0x3a0 [ 409.079200] _sctp_make_chunk+0x3f/0x260 [ 409.083257] sctp_make_datafrag_empty+0x159/0x260 [ 409.088087] ? sctp_make_ecne+0xf0/0xf0 [ 409.088097] ? process_measurement+0x805/0x14b0 [ 409.088106] sctp_datamsg_from_user+0x4d7/0xf30 [ 409.088116] ? mark_held_locks+0x130/0x130 [ 409.088127] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 409.088134] ? find_held_lock+0x36/0x1d0 [ 409.088145] ? sctp_clear_owner_w+0xf0/0xf0 [ 409.088151] ? lock_sock_nested+0xc5/0x100 [ 409.110206] ? lockdep_hardirqs_on+0x421/0x5c0 [ 409.118558] ? __local_bh_enable_ip+0x160/0x260 [ 409.118565] ? lock_sock_nested+0x82/0x100 [ 409.118571] ? trace_hardirqs_on+0x28/0x190 [ 409.118575] ? lock_sock_nested+0x82/0x100 [ 409.118580] ? lock_sock_nested+0x82/0x100 [ 409.118586] ? __local_bh_enable_ip+0x160/0x260 [ 409.118596] sctp_sendmsg+0xb80/0x1710 [ 409.118608] ? sctp_id2assoc+0x250/0x250 [ 409.118615] ? ___might_sleep+0x16b/0x270 [ 409.157190] FAULT_INJECTION: forcing a failure. [ 409.157190] name failslab, interval 1, probability 0, space 0, times 0 [ 409.157575] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.181835] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 409.186770] inet_sendmsg+0x108/0x440 [ 409.190578] ? security_socket_sendmsg+0x4a/0x90 [ 409.195337] ? ipip_gro_receive+0xf0/0xf0 [ 409.199911] sock_sendmsg+0xb5/0xf0 [ 409.203540] sock_write_iter+0x1e9/0x3d0 [ 409.204472] FAULT_INJECTION: forcing a failure. [ 409.204472] name failslab, interval 1, probability 0, space 0, times 0 [ 409.207599] ? sock_sendmsg+0xf0/0xf0 [ 409.207617] __vfs_write+0x4a3/0x970 [ 409.207624] ? lock_downgrade+0x7f0/0x7f0 [ 409.207630] ? kernel_read+0x130/0x130 [ 409.207638] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.207649] ? apparmor_file_permission+0x15/0x20 [ 409.207658] ? rw_verify_area+0xb8/0x2b0 [ 409.207665] vfs_write+0x150/0x4e0 [ 409.207676] ksys_write+0xcd/0x1b0 [ 409.255151] ? __ia32_sys_read+0xa0/0xa0 [ 409.259207] ? do_syscall_64+0x21/0x4d0 [ 409.263171] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.268530] __x64_sys_write+0x6e/0xb0 [ 409.272416] do_syscall_64+0xd0/0x4d0 [ 409.276212] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.281389] RIP: 0033:0x4592c9 [ 409.284569] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 409.303470] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 409.311174] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 409.318435] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 409.325694] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 409.332954] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 409.340215] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 409.347492] CPU: 1 PID: 12922 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 409.354952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.364299] Call Trace: [ 409.366884] dump_stack+0x113/0x167 [ 409.370517] should_fail.cold.4+0x5/0x13 [ 409.374577] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 409.379679] ? lock_downgrade+0x7f0/0x7f0 [ 409.383830] ? ___might_sleep+0x16b/0x270 [ 409.387978] __should_failslab+0xba/0xf0 [ 409.392030] should_failslab+0x9/0x14 [ 409.395822] kmem_cache_alloc_node+0x270/0x730 [ 409.400395] ? find_held_lock+0x36/0x1d0 [ 409.404453] __alloc_skb+0xa7/0x570 [ 409.408072] ? skb_scrub_packet+0x3a0/0x3a0 [ 409.412392] _sctp_make_chunk+0x3f/0x260 [ 409.416441] sctp_make_datafrag_empty+0x159/0x260 [ 409.421273] ? sctp_make_ecne+0xf0/0xf0 [ 409.425242] ? process_measurement+0x805/0x14b0 [ 409.429911] sctp_datamsg_from_user+0x4d7/0xf30 [ 409.434571] ? mark_held_locks+0x130/0x130 [ 409.438800] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 409.443379] ? find_held_lock+0x36/0x1d0 [ 409.447436] ? sctp_clear_owner_w+0xf0/0xf0 [ 409.451746] ? lock_sock_nested+0xc5/0x100 [ 409.455971] ? lockdep_hardirqs_on+0x421/0x5c0 [ 409.460539] ? __local_bh_enable_ip+0x160/0x260 [ 409.465193] ? lock_sock_nested+0x82/0x100 [ 409.469414] ? trace_hardirqs_on+0x28/0x190 [ 409.473720] ? lock_sock_nested+0x82/0x100 [ 409.477941] ? lock_sock_nested+0x82/0x100 [ 409.482167] ? __local_bh_enable_ip+0x160/0x260 [ 409.486838] sctp_sendmsg+0xb80/0x1710 [ 409.490721] ? sctp_id2assoc+0x250/0x250 [ 409.494773] ? ___might_sleep+0x16b/0x270 [ 409.498912] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.503839] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 409.508762] inet_sendmsg+0x108/0x440 [ 409.512550] ? security_socket_sendmsg+0x4a/0x90 [ 409.517293] ? ipip_gro_receive+0xf0/0xf0 [ 409.521608] sock_sendmsg+0xb5/0xf0 [ 409.525223] sock_write_iter+0x1e9/0x3d0 [ 409.529274] ? sock_sendmsg+0xf0/0xf0 [ 409.533080] __vfs_write+0x4a3/0x970 [ 409.536781] ? lock_downgrade+0x7f0/0x7f0 [ 409.540919] ? kernel_read+0x130/0x130 [ 409.544795] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.549725] ? apparmor_file_permission+0x15/0x20 [ 409.554560] ? rw_verify_area+0xb8/0x2b0 [ 409.558620] vfs_write+0x150/0x4e0 [ 409.562162] ksys_write+0xcd/0x1b0 [ 409.565693] ? __ia32_sys_read+0xa0/0xa0 [ 409.569744] ? do_syscall_64+0x21/0x4d0 [ 409.573708] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.579070] __x64_sys_write+0x6e/0xb0 [ 409.582951] do_syscall_64+0xd0/0x4d0 [ 409.586740] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.591921] RIP: 0033:0x4592c9 [ 409.595101] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 409.613989] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 409.621688] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 409.628967] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 409.636224] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 409.643580] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 409.650841] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 409.658207] CPU: 0 PID: 12924 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 409.665399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.674741] Call Trace: [ 409.674755] dump_stack+0x113/0x167 [ 409.674766] should_fail.cold.4+0x5/0x13 [ 409.674774] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 409.674781] ? lock_downgrade+0x7f0/0x7f0 [ 409.674789] ? ___might_sleep+0x16b/0x270 [ 409.674798] __should_failslab+0xba/0xf0 [ 409.674806] should_failslab+0x9/0x14 [ 409.702453] kmem_cache_alloc_node+0x270/0x730 [ 409.702462] ? find_held_lock+0x36/0x1d0 [ 409.702475] __alloc_skb+0xa7/0x570 [ 409.702482] ? skb_scrub_packet+0x3a0/0x3a0 [ 409.702496] _sctp_make_chunk+0x3f/0x260 [ 409.710849] sctp_make_datafrag_empty+0x159/0x260 [ 409.710857] ? sctp_make_ecne+0xf0/0xf0 [ 409.710867] ? process_measurement+0x805/0x14b0 [ 409.710876] sctp_datamsg_from_user+0x4d7/0xf30 [ 409.710885] ? mark_held_locks+0x130/0x130 [ 409.710897] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 409.710904] ? find_held_lock+0x36/0x1d0 [ 409.710915] ? sctp_clear_owner_w+0xf0/0xf0 [ 409.710920] ? lock_sock_nested+0xc5/0x100 [ 409.722951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 409.722958] ? __local_bh_enable_ip+0x160/0x260 [ 409.722964] ? lock_sock_nested+0x82/0x100 [ 409.722970] ? trace_hardirqs_on+0x28/0x190 [ 409.722974] ? lock_sock_nested+0x82/0x100 [ 409.722979] ? lock_sock_nested+0x82/0x100 [ 409.722985] ? __local_bh_enable_ip+0x160/0x260 [ 409.733383] sctp_sendmsg+0xb80/0x1710 [ 409.733395] ? sctp_id2assoc+0x250/0x250 [ 409.733403] ? ___might_sleep+0x16b/0x270 [ 409.733414] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.790664] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 409.799531] inet_sendmsg+0x108/0x440 [ 409.799539] ? security_socket_sendmsg+0x4a/0x90 [ 409.799544] ? ipip_gro_receive+0xf0/0xf0 [ 409.799553] sock_sendmsg+0xb5/0xf0 [ 409.799560] sock_write_iter+0x1e9/0x3d0 [ 409.799566] ? sock_sendmsg+0xf0/0xf0 [ 409.799584] __vfs_write+0x4a3/0x970 [ 409.799591] ? lock_downgrade+0x7f0/0x7f0 [ 409.799597] ? kernel_read+0x130/0x130 [ 409.799606] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 409.799617] ? apparmor_file_permission+0x15/0x20 [ 409.799625] ? rw_verify_area+0xb8/0x2b0 [ 409.871180] vfs_write+0x150/0x4e0 [ 409.874790] ksys_write+0xcd/0x1b0 [ 409.878333] ? __ia32_sys_read+0xa0/0xa0 [ 409.882397] ? do_syscall_64+0x21/0x4d0 [ 409.886115] FAULT_INJECTION: forcing a failure. [ 409.886115] name failslab, interval 1, probability 0, space 0, times 0 [ 409.886365] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.886374] __x64_sys_write+0x6e/0xb0 [ 409.886382] do_syscall_64+0xd0/0x4d0 [ 409.886390] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.886396] RIP: 0033:0x4592c9 [ 409.886403] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 409.886406] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 409.886412] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 409.886416] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 409.886419] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 409.886422] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 409.886426] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 409.982075] CPU: 1 PID: 12935 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 409.989272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.998617] Call Trace: [ 410.001203] dump_stack+0x113/0x167 [ 410.004834] should_fail.cold.4+0x5/0x13 [ 410.008893] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 410.013992] ? lock_downgrade+0x7f0/0x7f0 [ 410.018139] ? ___might_sleep+0x16b/0x270 [ 410.022288] __should_failslab+0xba/0xf0 [ 410.026346] should_failslab+0x9/0x14 [ 410.030154] kmem_cache_alloc_node+0x270/0x730 [ 410.034736] ? find_held_lock+0x36/0x1d0 [ 410.034934] FAULT_INJECTION: forcing a failure. [ 410.034934] name failslab, interval 1, probability 0, space 0, times 0 [ 410.038798] __alloc_skb+0xa7/0x570 [ 410.038812] ? skb_scrub_packet+0x3a0/0x3a0 [ 410.038826] _sctp_make_chunk+0x3f/0x260 [ 410.061970] sctp_make_datafrag_empty+0x159/0x260 [ 410.066809] ? sctp_make_ecne+0xf0/0xf0 [ 410.070777] ? process_measurement+0x805/0x14b0 [ 410.075443] sctp_datamsg_from_user+0x4d7/0xf30 [ 410.080110] ? mark_held_locks+0x130/0x130 [ 410.084346] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 410.088918] ? find_held_lock+0x36/0x1d0 [ 410.092972] ? sctp_clear_owner_w+0xf0/0xf0 [ 410.097285] ? lock_sock_nested+0xc5/0x100 [ 410.101689] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.106261] ? __local_bh_enable_ip+0x160/0x260 [ 410.110918] ? lock_sock_nested+0x82/0x100 [ 410.115136] ? trace_hardirqs_on+0x28/0x190 [ 410.119442] ? lock_sock_nested+0x82/0x100 [ 410.123664] ? lock_sock_nested+0x82/0x100 [ 410.127889] ? __local_bh_enable_ip+0x160/0x260 [ 410.132549] sctp_sendmsg+0xb80/0x1710 [ 410.136522] ? sctp_id2assoc+0x250/0x250 [ 410.140575] ? ___might_sleep+0x16b/0x270 [ 410.144724] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 410.149646] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 410.154566] inet_sendmsg+0x108/0x440 [ 410.158354] ? security_socket_sendmsg+0x4a/0x90 [ 410.163095] ? ipip_gro_receive+0xf0/0xf0 [ 410.167232] sock_sendmsg+0xb5/0xf0 [ 410.170853] sock_write_iter+0x1e9/0x3d0 [ 410.174902] ? sock_sendmsg+0xf0/0xf0 [ 410.178700] __vfs_write+0x4a3/0x970 [ 410.182406] ? lock_downgrade+0x7f0/0x7f0 [ 410.186539] ? kernel_read+0x130/0x130 [ 410.190417] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 410.195339] ? apparmor_file_permission+0x15/0x20 [ 410.200174] ? rw_verify_area+0xb8/0x2b0 [ 410.204230] vfs_write+0x150/0x4e0 [ 410.207764] ksys_write+0xcd/0x1b0 [ 410.211396] ? __ia32_sys_read+0xa0/0xa0 [ 410.215448] ? do_syscall_64+0x21/0x4d0 [ 410.219502] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.224860] __x64_sys_write+0x6e/0xb0 [ 410.228743] do_syscall_64+0xd0/0x4d0 [ 410.232538] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.237713] RIP: 0033:0x4592c9 [ 410.240893] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 410.259793] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.267490] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 410.274750] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 410.282007] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 410.289265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 410.296526] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 410.303805] CPU: 0 PID: 12939 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 410.310996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.311000] Call Trace: [ 410.311013] dump_stack+0x113/0x167 [ 410.311024] should_fail.cold.4+0x5/0x13 [ 410.311033] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 410.335738] ? lock_downgrade+0x7f0/0x7f0 [ 410.339887] ? ___might_sleep+0x16b/0x270 [ 410.344038] __should_failslab+0xba/0xf0 [ 410.348097] should_failslab+0x9/0x14 [ 410.351893] kmem_cache_alloc_node+0x270/0x730 [ 410.356474] ? find_held_lock+0x36/0x1d0 [ 410.360553] __alloc_skb+0xa7/0x570 [ 410.364178] ? skb_scrub_packet+0x3a0/0x3a0 [ 410.364194] _sctp_make_chunk+0x3f/0x260 [ 410.364203] sctp_make_datafrag_empty+0x159/0x260 [ 410.364211] ? sctp_make_ecne+0xf0/0xf0 [ 410.364222] ? process_measurement+0x805/0x14b0 [ 410.364231] sctp_datamsg_from_user+0x4d7/0xf30 [ 410.386041] ? mark_held_locks+0x130/0x130 [ 410.386056] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 410.386064] ? find_held_lock+0x36/0x1d0 [ 410.386075] ? sctp_clear_owner_w+0xf0/0xf0 [ 410.386081] ? lock_sock_nested+0xc5/0x100 [ 410.386086] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.403850] FAULT_INJECTION: forcing a failure. [ 410.403850] name fail_futex, interval 1, probability 0, space 0, times 0 [ 410.407884] ? __local_bh_enable_ip+0x160/0x260 [ 410.407892] ? lock_sock_nested+0x82/0x100 [ 410.407898] ? trace_hardirqs_on+0x28/0x190 [ 410.407903] ? lock_sock_nested+0x82/0x100 [ 410.407908] ? lock_sock_nested+0x82/0x100 [ 410.407914] ? __local_bh_enable_ip+0x160/0x260 [ 410.407925] sctp_sendmsg+0xb80/0x1710 [ 410.407936] ? sctp_id2assoc+0x250/0x250 [ 410.407943] ? ___might_sleep+0x16b/0x270 [ 410.407953] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 410.428114] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 410.428125] inet_sendmsg+0x108/0x440 [ 410.428132] ? security_socket_sendmsg+0x4a/0x90 [ 410.428138] ? ipip_gro_receive+0xf0/0xf0 [ 410.428145] sock_sendmsg+0xb5/0xf0 [ 410.428153] sock_write_iter+0x1e9/0x3d0 [ 410.428160] ? sock_sendmsg+0xf0/0xf0 [ 410.428176] __vfs_write+0x4a3/0x970 [ 410.428183] ? lock_downgrade+0x7f0/0x7f0 [ 410.428187] ? kernel_read+0x130/0x130 [ 410.428195] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 410.428204] ? apparmor_file_permission+0x15/0x20 [ 410.439179] FAULT_INJECTION: forcing a failure. [ 410.439179] name failslab, interval 1, probability 0, space 0, times 0 [ 410.441394] ? rw_verify_area+0xb8/0x2b0 [ 410.441403] vfs_write+0x150/0x4e0 [ 410.441412] ksys_write+0xcd/0x1b0 [ 410.441419] ? __ia32_sys_read+0xa0/0xa0 [ 410.441427] ? do_syscall_64+0x21/0x4d0 [ 410.441436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.557753] __x64_sys_write+0x6e/0xb0 [ 410.561639] do_syscall_64+0xd0/0x4d0 [ 410.565447] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.570632] RIP: 0033:0x4592c9 [ 410.573820] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 410.592719] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.600419] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 410.607681] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 410.614946] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 410.622207] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 410.629465] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 410.637567] CPU: 1 PID: 12944 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 410.644772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.654131] Call Trace: [ 410.656717] dump_stack+0x113/0x167 [ 410.660349] should_fail.cold.4+0x5/0x13 [ 410.664414] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 410.669516] ? _raw_spin_unlock+0x2c/0x50 [ 410.673667] ? free_one_page+0x985/0xf30 [ 410.677735] get_futex_key+0x19e/0x1030 [ 410.681710] ? trace_hardirqs_on+0x28/0x190 [ 410.682540] FAULT_INJECTION: forcing a failure. [ 410.682540] name failslab, interval 1, probability 0, space 0, times 0 [ 410.686062] ? futex_lock_pi_atomic+0x200/0x200 [ 410.701906] ? __free_pages+0x7f/0xb0 [ 410.705695] ? check_noncircular+0x20/0x20 [ 410.709918] ? finish_task_switch+0x486/0x6d0 [ 410.714402] futex_wake+0xcb/0x590 [ 410.717933] ? get_futex_key+0x1030/0x1030 [ 410.722165] ? __lock_acquire+0x5d6/0x4760 [ 410.726400] do_futex+0x59a/0x1800 [ 410.729929] ? __lock_acquire+0x5d6/0x4760 [ 410.734160] ? mark_held_locks+0x130/0x130 [ 410.738414] ? exit_robust_list+0x1b0/0x1b0 [ 410.742732] ? mark_held_locks+0x130/0x130 [ 410.746957] ? find_held_lock+0x36/0x1d0 [ 410.760411] ? find_held_lock+0x36/0x1d0 [ 410.764469] ? __might_fault+0xf1/0x1b0 [ 410.768429] ? lock_downgrade+0x7f0/0x7f0 [ 410.772578] mm_release+0x2da/0x410 [ 410.776195] do_exit+0x388/0x2ba0 [ 410.779639] ? inet_sendmsg+0x108/0x440 [ 410.783603] ? security_socket_sendmsg+0x4a/0x90 [ 410.788355] ? mm_update_next_owner+0x680/0x680 [ 410.793011] ? find_held_lock+0x36/0x1d0 [ 410.797085] ? get_signal+0x584/0x11d0 [ 410.800966] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.805445] ? get_signal+0x584/0x11d0 [ 410.809322] do_group_exit+0xf4/0x2f0 [ 410.813115] get_signal+0x532/0x11d0 [ 410.816841] do_signal+0x87/0x1930 [ 410.820372] ? rw_verify_area+0xb8/0x2b0 [ 410.824420] ? setup_sigcontext+0x7d0/0x7d0 [ 410.828728] ? kasan_check_write+0x14/0x20 [ 410.833743] ? fput+0x18/0x120 [ 410.836930] ? ksys_write+0x157/0x1b0 [ 410.840718] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.845292] ? exit_to_usermode_loop+0x3a/0x200 [ 410.850383] ? trace_hardirqs_on+0x28/0x190 [ 410.854699] exit_to_usermode_loop+0x114/0x200 [ 410.859275] do_syscall_64+0x407/0x4d0 [ 410.864617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.869796] RIP: 0033:0x4592c9 [ 410.872982] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 410.892405] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.900102] RAX: ffffffffffffffe0 RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 410.907356] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 410.914616] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 410.921874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 410.929222] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 410.936501] CPU: 0 PID: 12952 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 410.943698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.953046] Call Trace: [ 410.955630] dump_stack+0x113/0x167 [ 410.959267] should_fail.cold.4+0x5/0x13 [ 410.963328] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 410.968430] ? lock_downgrade+0x7f0/0x7f0 [ 410.972577] ? ___might_sleep+0x16b/0x270 [ 410.976731] __should_failslab+0xba/0xf0 [ 410.980793] should_failslab+0x9/0x14 [ 410.984586] kmem_cache_alloc_node+0x270/0x730 [ 410.989164] ? find_held_lock+0x36/0x1d0 [ 410.993226] __alloc_skb+0xa7/0x570 [ 410.996847] ? skb_scrub_packet+0x3a0/0x3a0 [ 411.001169] _sctp_make_chunk+0x3f/0x260 [ 411.005232] sctp_make_datafrag_empty+0x159/0x260 [ 411.010070] ? sctp_make_ecne+0xf0/0xf0 [ 411.014039] ? process_measurement+0x805/0x14b0 [ 411.018714] sctp_datamsg_from_user+0x4d7/0xf30 [ 411.023381] ? mark_held_locks+0x130/0x130 [ 411.027616] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 411.032187] ? find_held_lock+0x36/0x1d0 [ 411.036238] ? sctp_clear_owner_w+0xf0/0xf0 [ 411.040556] ? lock_sock_nested+0xc5/0x100 [ 411.044792] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.049368] ? __local_bh_enable_ip+0x160/0x260 [ 411.054027] ? lock_sock_nested+0x82/0x100 [ 411.058252] ? trace_hardirqs_on+0x28/0x190 [ 411.062559] ? lock_sock_nested+0x82/0x100 [ 411.066810] ? lock_sock_nested+0x82/0x100 [ 411.071045] ? __local_bh_enable_ip+0x160/0x260 [ 411.075711] sctp_sendmsg+0xb80/0x1710 [ 411.079597] ? sctp_id2assoc+0x250/0x250 [ 411.083648] ? ___might_sleep+0x16b/0x270 [ 411.087790] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.092716] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 411.097643] inet_sendmsg+0x108/0x440 [ 411.101436] ? security_socket_sendmsg+0x4a/0x90 [ 411.106270] ? ipip_gro_receive+0xf0/0xf0 [ 411.110407] sock_sendmsg+0xb5/0xf0 [ 411.114027] sock_write_iter+0x1e9/0x3d0 [ 411.118082] ? sock_sendmsg+0xf0/0xf0 [ 411.121886] __vfs_write+0x4a3/0x970 [ 411.125595] ? lock_downgrade+0x7f0/0x7f0 [ 411.129737] ? kernel_read+0x130/0x130 [ 411.133623] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.138546] ? apparmor_file_permission+0x15/0x20 [ 411.143384] ? rw_verify_area+0xb8/0x2b0 [ 411.147435] vfs_write+0x150/0x4e0 [ 411.150964] ksys_write+0xcd/0x1b0 [ 411.154492] ? __ia32_sys_read+0xa0/0xa0 [ 411.158549] ? do_syscall_64+0x21/0x4d0 [ 411.162517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.168054] __x64_sys_write+0x6e/0xb0 [ 411.171943] do_syscall_64+0xd0/0x4d0 [ 411.175742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.180920] RIP: 0033:0x4592c9 [ 411.184100] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 411.202991] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.210690] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 411.217952] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 411.225220] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 411.232486] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 411.239751] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 411.249446] CPU: 1 PID: 12945 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 411.256640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.257488] FAULT_INJECTION: forcing a failure. [ 411.257488] name failslab, interval 1, probability 0, space 0, times 0 [ 411.265988] Call Trace: [ 411.279738] dump_stack+0x113/0x167 [ 411.283358] should_fail.cold.4+0x5/0x13 [ 411.287415] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 411.292518] ? lock_downgrade+0x7f0/0x7f0 [ 411.296656] ? ___might_sleep+0x16b/0x270 [ 411.300801] __should_failslab+0xba/0xf0 [ 411.304857] should_failslab+0x9/0x14 [ 411.308643] kmem_cache_alloc_node+0x270/0x730 [ 411.313212] ? find_held_lock+0x36/0x1d0 [ 411.317265] __alloc_skb+0xa7/0x570 [ 411.320882] ? skb_scrub_packet+0x3a0/0x3a0 [ 411.325210] _sctp_make_chunk+0x3f/0x260 [ 411.329268] sctp_make_datafrag_empty+0x159/0x260 [ 411.334105] ? sctp_make_ecne+0xf0/0xf0 [ 411.338075] ? process_measurement+0x805/0x14b0 [ 411.342749] sctp_datamsg_from_user+0x4d7/0xf30 [ 411.347419] ? mark_held_locks+0x130/0x130 [ 411.351648] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 411.356216] ? find_held_lock+0x36/0x1d0 [ 411.360269] ? sctp_clear_owner_w+0xf0/0xf0 [ 411.364577] ? lock_sock_nested+0xc5/0x100 [ 411.368815] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.373384] ? __local_bh_enable_ip+0x160/0x260 [ 411.378045] ? lock_sock_nested+0x82/0x100 [ 411.382268] ? trace_hardirqs_on+0x28/0x190 [ 411.386584] ? lock_sock_nested+0x82/0x100 [ 411.390814] ? lock_sock_nested+0x82/0x100 [ 411.395042] ? __local_bh_enable_ip+0x160/0x260 [ 411.399703] sctp_sendmsg+0xb80/0x1710 [ 411.403583] ? sctp_id2assoc+0x250/0x250 [ 411.407635] ? ___might_sleep+0x16b/0x270 [ 411.411781] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.416710] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 411.421651] inet_sendmsg+0x108/0x440 [ 411.425448] ? security_socket_sendmsg+0x4a/0x90 [ 411.430193] ? ipip_gro_receive+0xf0/0xf0 [ 411.434336] sock_sendmsg+0xb5/0xf0 [ 411.437955] sock_write_iter+0x1e9/0x3d0 [ 411.442005] ? sock_sendmsg+0xf0/0xf0 [ 411.445813] __vfs_write+0x4a3/0x970 [ 411.449518] ? lock_downgrade+0x7f0/0x7f0 [ 411.453650] ? kernel_read+0x130/0x130 [ 411.457525] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.462457] ? apparmor_file_permission+0x15/0x20 [ 411.467291] ? rw_verify_area+0xb8/0x2b0 [ 411.471341] vfs_write+0x150/0x4e0 [ 411.474871] ksys_write+0xcd/0x1b0 [ 411.478403] ? __ia32_sys_read+0xa0/0xa0 [ 411.482462] ? do_syscall_64+0x21/0x4d0 [ 411.486427] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.491779] __x64_sys_write+0x6e/0xb0 [ 411.495659] do_syscall_64+0xd0/0x4d0 [ 411.499452] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.504630] RIP: 0033:0x4592c9 [ 411.507820] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 411.526711] RSP: 002b:00007f8bbdeb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.534408] RAX: ffffffffffffffda RBX: 00007f8bbdeb5c90 RCX: 00000000004592c9 [ 411.541667] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 2019/06/15 21:34:47 executed programs: 1491 [ 411.549022] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 411.556278] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbdeb66d4 [ 411.563538] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 411.570824] CPU: 0 PID: 12953 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 411.578022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.587374] Call Trace: [ 411.589961] dump_stack+0x113/0x167 [ 411.593597] should_fail.cold.4+0x5/0x13 [ 411.597752] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 411.602859] ? lock_downgrade+0x7f0/0x7f0 [ 411.607007] ? ___might_sleep+0x16b/0x270 [ 411.611158] __should_failslab+0xba/0xf0 [ 411.615214] should_failslab+0x9/0x14 [ 411.619012] kmem_cache_alloc_node+0x270/0x730 [ 411.623607] ? find_held_lock+0x36/0x1d0 [ 411.627672] __alloc_skb+0xa7/0x570 [ 411.628459] FAULT_INJECTION: forcing a failure. [ 411.628459] name failslab, interval 1, probability 0, space 0, times 0 [ 411.631296] ? skb_scrub_packet+0x3a0/0x3a0 [ 411.631318] _sctp_make_chunk+0x3f/0x260 [ 411.631327] sctp_make_datafrag_empty+0x159/0x260 [ 411.631334] ? sctp_make_ecne+0xf0/0xf0 [ 411.631344] ? process_measurement+0x805/0x14b0 [ 411.631353] sctp_datamsg_from_user+0x4d7/0xf30 [ 411.644991] FAULT_INJECTION: forcing a failure. [ 411.644991] name failslab, interval 1, probability 0, space 0, times 0 [ 411.646834] ? mark_held_locks+0x130/0x130 [ 411.646848] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 411.646856] ? find_held_lock+0x36/0x1d0 [ 411.646866] ? sctp_clear_owner_w+0xf0/0xf0 [ 411.646873] ? lock_sock_nested+0xc5/0x100 [ 411.646878] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.646884] ? __local_bh_enable_ip+0x160/0x260 [ 411.646888] ? lock_sock_nested+0x82/0x100 [ 411.646894] ? trace_hardirqs_on+0x28/0x190 [ 411.646898] ? lock_sock_nested+0x82/0x100 [ 411.646903] ? lock_sock_nested+0x82/0x100 [ 411.646909] ? __local_bh_enable_ip+0x160/0x260 [ 411.701765] sctp_sendmsg+0xb80/0x1710 [ 411.701778] ? sctp_id2assoc+0x250/0x250 [ 411.701787] ? ___might_sleep+0x16b/0x270 [ 411.701798] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.711063] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 411.711073] inet_sendmsg+0x108/0x440 [ 411.711079] ? security_socket_sendmsg+0x4a/0x90 [ 411.711085] ? ipip_gro_receive+0xf0/0xf0 [ 411.711093] sock_sendmsg+0xb5/0xf0 [ 411.711100] sock_write_iter+0x1e9/0x3d0 [ 411.711107] ? sock_sendmsg+0xf0/0xf0 [ 411.711125] __vfs_write+0x4a3/0x970 [ 411.711132] ? lock_downgrade+0x7f0/0x7f0 [ 411.711137] ? kernel_read+0x130/0x130 [ 411.711146] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 411.711156] ? apparmor_file_permission+0x15/0x20 [ 411.734569] ? rw_verify_area+0xb8/0x2b0 [ 411.734578] vfs_write+0x150/0x4e0 [ 411.734587] ksys_write+0xcd/0x1b0 [ 411.734593] ? __ia32_sys_read+0xa0/0xa0 [ 411.734602] ? do_syscall_64+0x21/0x4d0 [ 411.765162] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.765174] __x64_sys_write+0x6e/0xb0 [ 411.765184] do_syscall_64+0xd0/0x4d0 [ 411.765192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.839479] RIP: 0033:0x4592c9 [ 411.842668] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 411.861569] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.869272] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 411.876539] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 411.883799] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 411.891061] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 411.898327] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 411.905618] CPU: 1 PID: 12955 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 411.908160] FAULT_INJECTION: forcing a failure. [ 411.908160] name failslab, interval 1, probability 0, space 0, times 0 [ 411.912813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.912819] Call Trace: [ 411.936179] dump_stack+0x113/0x167 [ 411.939811] should_fail.cold.4+0x5/0x13 [ 411.943864] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 411.948960] ? lock_downgrade+0x7f0/0x7f0 [ 411.953110] ? ___might_sleep+0x16b/0x270 [ 411.957274] __should_failslab+0xba/0xf0 [ 411.961336] should_failslab+0x9/0x14 [ 411.965128] kmem_cache_alloc_trace+0x2d8/0x740 [ 411.969797] sctp_datamsg_from_user+0x7f/0xf30 [ 411.974368] ? kmem_cache_alloc_trace+0x353/0x740 [ 411.979200] ? sctp_sched_init_sid+0xf1/0x170 [ 411.983688] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 411.988268] ? find_held_lock+0x36/0x1d0 [ 411.992320] ? sctp_clear_owner_w+0xf0/0xf0 [ 411.996632] ? lock_sock_nested+0xc5/0x100 [ 412.000852] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.005421] ? __local_bh_enable_ip+0x160/0x260 [ 412.010073] ? lock_sock_nested+0x82/0x100 [ 412.014383] ? trace_hardirqs_on+0x28/0x190 [ 412.018695] ? lock_sock_nested+0x82/0x100 [ 412.022913] ? lock_sock_nested+0x82/0x100 [ 412.027134] ? __local_bh_enable_ip+0x160/0x260 [ 412.031802] sctp_sendmsg+0xb80/0x1710 [ 412.035693] ? sctp_id2assoc+0x250/0x250 [ 412.039746] ? ___might_sleep+0x16b/0x270 [ 412.044171] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.049105] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 412.054031] inet_sendmsg+0x108/0x440 [ 412.057823] ? security_socket_sendmsg+0x4a/0x90 [ 412.063454] ? ipip_gro_receive+0xf0/0xf0 [ 412.067590] sock_sendmsg+0xb5/0xf0 [ 412.071377] sock_write_iter+0x1e9/0x3d0 [ 412.075425] ? sock_sendmsg+0xf0/0xf0 [ 412.079235] __vfs_write+0x4a3/0x970 [ 412.082938] ? lock_downgrade+0x7f0/0x7f0 [ 412.087070] ? kernel_read+0x130/0x130 [ 412.090949] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.095868] ? apparmor_file_permission+0x15/0x20 [ 412.100701] ? rw_verify_area+0xb8/0x2b0 [ 412.104750] vfs_write+0x150/0x4e0 [ 412.108283] ksys_write+0xcd/0x1b0 [ 412.111821] ? __ia32_sys_read+0xa0/0xa0 [ 412.115896] ? do_syscall_64+0x21/0x4d0 [ 412.119863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.125220] __x64_sys_write+0x6e/0xb0 [ 412.129103] do_syscall_64+0xd0/0x4d0 [ 412.132901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.138078] RIP: 0033:0x4592c9 [ 412.141261] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 412.160241] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.168052] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 412.175312] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 412.182580] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 412.189836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 412.197091] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 412.204545] CPU: 0 PID: 12965 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 412.211743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.221086] Call Trace: [ 412.221100] dump_stack+0x113/0x167 [ 412.221112] should_fail.cold.4+0x5/0x13 [ 412.221120] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 412.221127] ? lock_downgrade+0x7f0/0x7f0 [ 412.221135] ? ___might_sleep+0x16b/0x270 [ 412.221145] __should_failslab+0xba/0xf0 [ 412.221153] should_failslab+0x9/0x14 [ 412.221158] kmem_cache_alloc_trace+0x2d8/0x740 [ 412.221173] sctp_datamsg_from_user+0x7f/0xf30 [ 412.236494] ? kmem_cache_alloc_trace+0x353/0x740 [ 412.236504] ? sctp_sched_init_sid+0xf1/0x170 [ 412.236518] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 412.236527] ? find_held_lock+0x36/0x1d0 [ 412.236538] ? sctp_clear_owner_w+0xf0/0xf0 [ 412.252814] ? lock_sock_nested+0xc5/0x100 [ 412.252822] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.252828] ? __local_bh_enable_ip+0x160/0x260 [ 412.252832] ? lock_sock_nested+0x82/0x100 [ 412.252838] ? trace_hardirqs_on+0x28/0x190 [ 412.252844] ? lock_sock_nested+0x82/0x100 [ 412.252850] ? __local_bh_enable_ip+0x160/0x260 [ 412.252862] sctp_sendmsg+0xb80/0x1710 [ 412.252874] ? sctp_id2assoc+0x250/0x250 [ 412.252881] ? ___might_sleep+0x16b/0x270 [ 412.252891] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.266958] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 412.266969] inet_sendmsg+0x108/0x440 [ 412.266976] ? security_socket_sendmsg+0x4a/0x90 [ 412.266982] ? ipip_gro_receive+0xf0/0xf0 [ 412.266991] sock_sendmsg+0xb5/0xf0 [ 412.266998] sock_write_iter+0x1e9/0x3d0 [ 412.267004] ? sock_sendmsg+0xf0/0xf0 [ 412.267022] __vfs_write+0x4a3/0x970 [ 412.267029] ? lock_downgrade+0x7f0/0x7f0 [ 412.267035] ? kernel_read+0x130/0x130 [ 412.267042] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.377847] ? apparmor_file_permission+0x15/0x20 [ 412.382684] ? rw_verify_area+0xb8/0x2b0 [ 412.386738] vfs_write+0x150/0x4e0 [ 412.390272] ksys_write+0xcd/0x1b0 [ 412.393813] ? __ia32_sys_read+0xa0/0xa0 [ 412.397868] ? do_syscall_64+0x21/0x4d0 [ 412.401833] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.407190] __x64_sys_write+0x6e/0xb0 [ 412.411071] do_syscall_64+0xd0/0x4d0 [ 412.414896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.420077] RIP: 0033:0x4592c9 [ 412.423262] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 412.442157] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.449858] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 412.457122] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 412.464390] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 412.471655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 412.471660] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 412.486204] CPU: 1 PID: 12959 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 412.493392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.502744] Call Trace: [ 412.505330] dump_stack+0x113/0x167 [ 412.508959] should_fail.cold.4+0x5/0x13 [ 412.513018] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 412.518117] ? lock_downgrade+0x7f0/0x7f0 [ 412.522437] ? ___might_sleep+0x16b/0x270 [ 412.522862] FAULT_INJECTION: forcing a failure. [ 412.522862] name failslab, interval 1, probability 0, space 0, times 0 [ 412.526589] __should_failslab+0xba/0xf0 [ 412.541816] should_failslab+0x9/0x14 [ 412.545616] kmem_cache_alloc_node+0x270/0x730 [ 412.550194] ? find_held_lock+0x36/0x1d0 [ 412.554262] __alloc_skb+0xa7/0x570 [ 412.557889] ? skb_scrub_packet+0x3a0/0x3a0 [ 412.562222] _sctp_make_chunk+0x3f/0x260 [ 412.566286] sctp_make_datafrag_empty+0x159/0x260 [ 412.571125] ? sctp_make_ecne+0xf0/0xf0 [ 412.575153] ? process_measurement+0x805/0x14b0 [ 412.578507] FAULT_INJECTION: forcing a failure. [ 412.578507] name failslab, interval 1, probability 0, space 0, times 0 [ 412.579828] sctp_datamsg_from_user+0x4d7/0xf30 [ 412.595664] ? mark_held_locks+0x130/0x130 [ 412.599895] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 412.604470] ? find_held_lock+0x36/0x1d0 [ 412.608524] ? sctp_clear_owner_w+0xf0/0xf0 [ 412.612835] ? lock_sock_nested+0xc5/0x100 [ 412.617066] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.621643] ? __local_bh_enable_ip+0x160/0x260 [ 412.626304] ? lock_sock_nested+0x82/0x100 [ 412.630554] ? trace_hardirqs_on+0x28/0x190 [ 412.634864] ? lock_sock_nested+0x82/0x100 [ 412.639087] ? lock_sock_nested+0x82/0x100 [ 412.643339] ? __local_bh_enable_ip+0x160/0x260 [ 412.648006] sctp_sendmsg+0xb80/0x1710 [ 412.651904] ? sctp_id2assoc+0x250/0x250 [ 412.655954] ? ___might_sleep+0x16b/0x270 [ 412.660095] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.665020] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 412.669942] inet_sendmsg+0x108/0x440 [ 412.673736] ? security_socket_sendmsg+0x4a/0x90 [ 412.678499] ? ipip_gro_receive+0xf0/0xf0 [ 412.682637] sock_sendmsg+0xb5/0xf0 [ 412.686253] sock_write_iter+0x1e9/0x3d0 [ 412.690305] ? sock_sendmsg+0xf0/0xf0 [ 412.694107] __vfs_write+0x4a3/0x970 [ 412.697812] ? lock_downgrade+0x7f0/0x7f0 [ 412.701957] ? kernel_read+0x130/0x130 [ 412.705835] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.710768] ? apparmor_file_permission+0x15/0x20 [ 412.715602] ? rw_verify_area+0xb8/0x2b0 [ 412.719654] vfs_write+0x150/0x4e0 [ 412.723184] ksys_write+0xcd/0x1b0 [ 412.726801] ? __ia32_sys_read+0xa0/0xa0 [ 412.730867] ? do_syscall_64+0x21/0x4d0 [ 412.734832] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.740191] __x64_sys_write+0x6e/0xb0 [ 412.744069] do_syscall_64+0xd0/0x4d0 [ 412.747976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.758360] RIP: 0033:0x4592c9 [ 412.761549] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 412.780438] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.788142] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 412.795404] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 412.802665] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 412.809929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 412.817188] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 412.824462] CPU: 0 PID: 12970 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 412.831658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.841008] Call Trace: [ 412.843592] dump_stack+0x113/0x167 [ 412.847217] should_fail.cold.4+0x5/0x13 [ 412.851280] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 412.856383] ? lock_downgrade+0x7f0/0x7f0 [ 412.856392] ? ___might_sleep+0x16b/0x270 [ 412.856403] __should_failslab+0xba/0xf0 [ 412.856411] should_failslab+0x9/0x14 [ 412.856416] kmem_cache_alloc_node+0x270/0x730 [ 412.856423] ? find_held_lock+0x36/0x1d0 [ 412.856435] __alloc_skb+0xa7/0x570 [ 412.856442] ? skb_scrub_packet+0x3a0/0x3a0 [ 412.888742] _sctp_make_chunk+0x3f/0x260 [ 412.888751] sctp_make_datafrag_empty+0x159/0x260 [ 412.888759] ? sctp_make_ecne+0xf0/0xf0 [ 412.888769] ? process_measurement+0x805/0x14b0 [ 412.888778] sctp_datamsg_from_user+0x4d7/0xf30 [ 412.888788] ? mark_held_locks+0x130/0x130 [ 412.888801] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 412.905634] ? find_held_lock+0x36/0x1d0 [ 412.905646] ? sctp_clear_owner_w+0xf0/0xf0 [ 412.905654] ? lock_sock_nested+0xc5/0x100 [ 412.905660] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.905666] ? __local_bh_enable_ip+0x160/0x260 [ 412.905671] ? lock_sock_nested+0x82/0x100 [ 412.905676] ? trace_hardirqs_on+0x28/0x190 [ 412.905681] ? lock_sock_nested+0x82/0x100 [ 412.905688] ? __local_bh_enable_ip+0x160/0x260 [ 412.936129] sctp_sendmsg+0xb80/0x1710 [ 412.936141] ? sctp_id2assoc+0x250/0x250 [ 412.936150] ? ___might_sleep+0x16b/0x270 [ 412.979060] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 412.983999] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 412.988926] inet_sendmsg+0x108/0x440 [ 412.992725] ? security_socket_sendmsg+0x4a/0x90 [ 412.997487] ? ipip_gro_receive+0xf0/0xf0 [ 413.001634] sock_sendmsg+0xb5/0xf0 [ 413.005258] sock_write_iter+0x1e9/0x3d0 [ 413.009322] ? sock_sendmsg+0xf0/0xf0 [ 413.013130] __vfs_write+0x4a3/0x970 [ 413.016843] ? lock_downgrade+0x7f0/0x7f0 [ 413.020987] ? kernel_read+0x130/0x130 [ 413.024873] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.029801] ? apparmor_file_permission+0x15/0x20 [ 413.034637] ? rw_verify_area+0xb8/0x2b0 [ 413.038713] vfs_write+0x150/0x4e0 [ 413.038722] ksys_write+0xcd/0x1b0 [ 413.038728] ? __ia32_sys_read+0xa0/0xa0 [ 413.038736] ? do_syscall_64+0x21/0x4d0 [ 413.038745] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.038753] __x64_sys_write+0x6e/0xb0 [ 413.038759] do_syscall_64+0xd0/0x4d0 [ 413.038767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.038772] RIP: 0033:0x4592c9 [ 413.038779] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 413.038783] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.038789] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 413.098660] FAULT_INJECTION: forcing a failure. [ 413.098660] name failslab, interval 1, probability 0, space 0, times 0 [ 413.101781] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 413.101785] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 413.101788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 413.101791] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 413.130619] CPU: 0 PID: 12969 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 413.156836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.166188] Call Trace: [ 413.168778] dump_stack+0x113/0x167 [ 413.172411] should_fail.cold.4+0x5/0x13 [ 413.176473] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 413.181590] ? lock_downgrade+0x7f0/0x7f0 [ 413.185859] ? ___might_sleep+0x16b/0x270 [ 413.190010] __should_failslab+0xba/0xf0 [ 413.194080] should_failslab+0x9/0x14 [ 413.197881] kmem_cache_alloc_node+0x270/0x730 [ 413.202478] ? find_held_lock+0x36/0x1d0 [ 413.206541] __alloc_skb+0xa7/0x570 [ 413.210165] ? skb_scrub_packet+0x3a0/0x3a0 [ 413.214485] _sctp_make_chunk+0x3f/0x260 [ 413.218542] sctp_make_datafrag_empty+0x159/0x260 [ 413.223378] ? sctp_make_ecne+0xf0/0xf0 [ 413.227347] ? process_measurement+0x805/0x14b0 [ 413.232012] sctp_datamsg_from_user+0x4d7/0xf30 [ 413.236675] ? mark_held_locks+0x130/0x130 [ 413.239988] FAULT_INJECTION: forcing a failure. [ 413.239988] name failslab, interval 1, probability 0, space 0, times 0 [ 413.240908] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 413.240917] ? find_held_lock+0x36/0x1d0 [ 413.240927] ? sctp_clear_owner_w+0xf0/0xf0 [ 413.265041] ? lock_sock_nested+0xc5/0x100 [ 413.269270] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.273871] ? __local_bh_enable_ip+0x160/0x260 [ 413.278536] ? lock_sock_nested+0x82/0x100 [ 413.282762] ? trace_hardirqs_on+0x28/0x190 [ 413.287075] ? lock_sock_nested+0x82/0x100 [ 413.291310] ? __local_bh_enable_ip+0x160/0x260 [ 413.295994] sctp_sendmsg+0xb80/0x1710 [ 413.299882] ? sctp_id2assoc+0x250/0x250 [ 413.303938] ? ___might_sleep+0x16b/0x270 [ 413.308082] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.313008] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 413.317955] inet_sendmsg+0x108/0x440 [ 413.321747] ? security_socket_sendmsg+0x4a/0x90 [ 413.326497] ? ipip_gro_receive+0xf0/0xf0 [ 413.330636] sock_sendmsg+0xb5/0xf0 [ 413.334260] sock_write_iter+0x1e9/0x3d0 [ 413.338340] ? sock_sendmsg+0xf0/0xf0 [ 413.342142] __vfs_write+0x4a3/0x970 [ 413.345847] ? lock_downgrade+0x7f0/0x7f0 [ 413.349989] ? kernel_read+0x130/0x130 [ 413.353873] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.358800] ? apparmor_file_permission+0x15/0x20 [ 413.363642] ? rw_verify_area+0xb8/0x2b0 [ 413.367699] vfs_write+0x150/0x4e0 [ 413.371239] ksys_write+0xcd/0x1b0 [ 413.374769] ? __ia32_sys_read+0xa0/0xa0 [ 413.378823] ? do_syscall_64+0x21/0x4d0 [ 413.382799] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.388164] __x64_sys_write+0x6e/0xb0 [ 413.392050] do_syscall_64+0xd0/0x4d0 [ 413.395846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.401025] RIP: 0033:0x4592c9 [ 413.404207] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 413.423102] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.430798] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 413.430802] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 413.430805] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 413.430808] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 413.430811] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 413.431580] FAULT_INJECTION: forcing a failure. [ 413.431580] name failslab, interval 1, probability 0, space 0, times 0 [ 413.478536] CPU: 0 PID: 12989 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 413.485715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.495065] Call Trace: [ 413.497656] dump_stack+0x113/0x167 [ 413.501288] should_fail.cold.4+0x5/0x13 [ 413.505349] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 413.510443] ? lock_downgrade+0x7f0/0x7f0 [ 413.514589] ? ___might_sleep+0x16b/0x270 [ 413.518738] __should_failslab+0xba/0xf0 [ 413.522799] should_failslab+0x9/0x14 [ 413.526592] kmem_cache_alloc_trace+0x2d8/0x740 [ 413.526608] sctp_datamsg_from_user+0x7f/0xf30 [ 413.526613] ? kmem_cache_alloc_trace+0x353/0x740 [ 413.526622] ? sctp_sched_init_sid+0xf1/0x170 [ 413.526635] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 413.526644] ? find_held_lock+0x36/0x1d0 [ 413.526654] ? sctp_clear_owner_w+0xf0/0xf0 [ 413.526662] ? lock_sock_nested+0xc5/0x100 [ 413.545198] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.545205] ? __local_bh_enable_ip+0x160/0x260 [ 413.545211] ? lock_sock_nested+0x82/0x100 [ 413.545217] ? trace_hardirqs_on+0x28/0x190 [ 413.545221] ? lock_sock_nested+0x82/0x100 [ 413.545226] ? lock_sock_nested+0x82/0x100 [ 413.545233] ? __local_bh_enable_ip+0x160/0x260 [ 413.545243] sctp_sendmsg+0xb80/0x1710 [ 413.545255] ? sctp_id2assoc+0x250/0x250 [ 413.545263] ? ___might_sleep+0x16b/0x270 [ 413.597239] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.597254] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 413.597264] inet_sendmsg+0x108/0x440 [ 413.597271] ? security_socket_sendmsg+0x4a/0x90 [ 413.597277] ? ipip_gro_receive+0xf0/0xf0 [ 413.597286] sock_sendmsg+0xb5/0xf0 [ 413.597298] sock_write_iter+0x1e9/0x3d0 [ 413.597311] ? sock_sendmsg+0xf0/0xf0 [ 413.597329] __vfs_write+0x4a3/0x970 [ 413.597335] ? lock_downgrade+0x7f0/0x7f0 [ 413.597341] ? kernel_read+0x130/0x130 [ 413.597349] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.597359] ? apparmor_file_permission+0x15/0x20 [ 413.610462] ? rw_verify_area+0xb8/0x2b0 [ 413.610471] vfs_write+0x150/0x4e0 [ 413.610480] ksys_write+0xcd/0x1b0 [ 413.610487] ? __ia32_sys_read+0xa0/0xa0 [ 413.610495] ? do_syscall_64+0x21/0x4d0 [ 413.610504] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.610513] __x64_sys_write+0x6e/0xb0 [ 413.632834] FAULT_INJECTION: forcing a failure. [ 413.632834] name failslab, interval 1, probability 0, space 0, times 0 [ 413.635868] do_syscall_64+0xd0/0x4d0 [ 413.635879] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.635885] RIP: 0033:0x4592c9 [ 413.635891] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 413.635895] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.635900] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 413.635904] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 413.635907] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 413.762757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 413.770031] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 413.775450] FAULT_INJECTION: forcing a failure. [ 413.775450] name failslab, interval 1, probability 0, space 0, times 0 [ 413.794191] CPU: 1 PID: 12984 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 413.801392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.810740] Call Trace: [ 413.813331] dump_stack+0x113/0x167 [ 413.816967] should_fail.cold.4+0x5/0x13 [ 413.821019] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 413.826112] ? lock_downgrade+0x7f0/0x7f0 [ 413.830253] ? ___might_sleep+0x16b/0x270 [ 413.834395] __should_failslab+0xba/0xf0 [ 413.838454] should_failslab+0x9/0x14 [ 413.842239] kmem_cache_alloc_node+0x270/0x730 [ 413.846821] __alloc_skb+0xa7/0x570 [ 413.850437] ? skb_scrub_packet+0x3a0/0x3a0 [ 413.854752] _sctp_make_chunk+0x3f/0x260 [ 413.858810] sctp_make_datafrag_empty+0x159/0x260 [ 413.864121] ? sctp_make_ecne+0xf0/0xf0 [ 413.868178] sctp_datamsg_from_user+0x4d7/0xf30 [ 413.872834] ? mark_held_locks+0x130/0x130 [ 413.877422] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 413.881987] ? __lock_is_held+0xb5/0x140 [ 413.886038] ? find_held_lock+0x36/0x1d0 [ 413.890090] ? sctp_clear_owner_w+0xf0/0xf0 [ 413.894400] ? lock_sock_nested+0xc5/0x100 [ 413.898623] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.903190] ? __local_bh_enable_ip+0x160/0x260 [ 413.907846] ? lock_sock_nested+0x82/0x100 [ 413.912064] ? trace_hardirqs_on+0x28/0x190 [ 413.916368] ? lock_sock_nested+0x82/0x100 [ 413.920588] ? lock_sock_nested+0x82/0x100 [ 413.924818] ? __local_bh_enable_ip+0x160/0x260 [ 413.929482] sctp_sendmsg+0xb80/0x1710 [ 413.933363] ? sctp_id2assoc+0x250/0x250 [ 413.937412] ? ___might_sleep+0x16b/0x270 [ 413.941552] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.946476] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 413.951399] inet_sendmsg+0x108/0x440 [ 413.955190] ? security_socket_sendmsg+0x4a/0x90 [ 413.959937] ? ipip_gro_receive+0xf0/0xf0 [ 413.964071] sock_sendmsg+0xb5/0xf0 [ 413.967691] sock_write_iter+0x1e9/0x3d0 [ 413.971745] ? sock_sendmsg+0xf0/0xf0 [ 413.975542] __vfs_write+0x4a3/0x970 [ 413.979271] ? lock_downgrade+0x7f0/0x7f0 [ 413.983407] ? kernel_read+0x130/0x130 [ 413.987283] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 413.992207] ? apparmor_file_permission+0x15/0x20 [ 413.997038] ? rw_verify_area+0xb8/0x2b0 [ 414.001135] vfs_write+0x150/0x4e0 [ 414.004662] ksys_write+0xcd/0x1b0 [ 414.008188] ? __ia32_sys_read+0xa0/0xa0 [ 414.012238] ? do_syscall_64+0x21/0x4d0 [ 414.016201] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.021558] __x64_sys_write+0x6e/0xb0 [ 414.025432] do_syscall_64+0xd0/0x4d0 [ 414.029226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.034401] RIP: 0033:0x4592c9 [ 414.037581] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 414.056474] RSP: 002b:00007faae41eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.064173] RAX: ffffffffffffffda RBX: 00007faae41eec90 RCX: 00000000004592c9 [ 414.071435] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 414.078699] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 414.085956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ef6d4 [ 414.093301] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 414.100581] CPU: 0 PID: 12990 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 414.107787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.117140] Call Trace: [ 414.119733] dump_stack+0x113/0x167 [ 414.123360] should_fail.cold.4+0x5/0x13 [ 414.127427] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 414.132528] ? lock_downgrade+0x7f0/0x7f0 [ 414.136675] ? ___might_sleep+0x16b/0x270 [ 414.140823] __should_failslab+0xba/0xf0 [ 414.144879] should_failslab+0x9/0x14 [ 414.148682] kmem_cache_alloc_node+0x270/0x730 [ 414.153263] ? find_held_lock+0x36/0x1d0 [ 414.157330] __alloc_skb+0xa7/0x570 [ 414.160954] ? skb_scrub_packet+0x3a0/0x3a0 [ 414.165281] _sctp_make_chunk+0x3f/0x260 [ 414.169348] sctp_make_datafrag_empty+0x159/0x260 [ 414.174201] ? sctp_make_ecne+0xf0/0xf0 [ 414.178173] ? process_measurement+0x805/0x14b0 [ 414.182853] sctp_datamsg_from_user+0x4d7/0xf30 [ 414.187520] ? mark_held_locks+0x130/0x130 [ 414.191755] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 414.196330] ? find_held_lock+0x36/0x1d0 [ 414.200385] ? sctp_clear_owner_w+0xf0/0xf0 [ 414.204705] ? lock_sock_nested+0xc5/0x100 [ 414.208940] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.213521] ? __local_bh_enable_ip+0x160/0x260 [ 414.218191] ? lock_sock_nested+0x82/0x100 [ 414.222414] ? trace_hardirqs_on+0x28/0x190 [ 414.226728] ? lock_sock_nested+0x82/0x100 [ 414.230961] ? __local_bh_enable_ip+0x160/0x260 [ 414.235626] sctp_sendmsg+0xb80/0x1710 [ 414.239510] ? sctp_id2assoc+0x250/0x250 [ 414.243561] ? ___might_sleep+0x16b/0x270 [ 414.247711] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.252637] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 414.257565] inet_sendmsg+0x108/0x440 [ 414.261359] ? security_socket_sendmsg+0x4a/0x90 [ 414.266107] ? ipip_gro_receive+0xf0/0xf0 [ 414.270245] sock_sendmsg+0xb5/0xf0 [ 414.273864] sock_write_iter+0x1e9/0x3d0 [ 414.277919] ? sock_sendmsg+0xf0/0xf0 [ 414.281722] __vfs_write+0x4a3/0x970 [ 414.285430] ? lock_downgrade+0x7f0/0x7f0 [ 414.289569] ? kernel_read+0x130/0x130 [ 414.293451] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.298377] ? apparmor_file_permission+0x15/0x20 [ 414.303236] ? rw_verify_area+0xb8/0x2b0 [ 414.307296] vfs_write+0x150/0x4e0 [ 414.310844] ksys_write+0xcd/0x1b0 [ 414.314377] ? __ia32_sys_read+0xa0/0xa0 [ 414.318457] ? do_syscall_64+0x21/0x4d0 [ 414.322423] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.327778] __x64_sys_write+0x6e/0xb0 [ 414.331657] do_syscall_64+0xd0/0x4d0 [ 414.335460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.340642] RIP: 0033:0x4592c9 [ 414.343827] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 414.362722] RSP: 002b:00007fb8810d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.370418] RAX: ffffffffffffffda RBX: 00007fb8810d9c90 RCX: 00000000004592c9 [ 414.377681] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 414.384946] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 414.392208] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810da6d4 [ 414.399475] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 414.414243] CPU: 1 PID: 12998 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 414.421448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.430800] Call Trace: [ 414.433391] dump_stack+0x113/0x167 [ 414.437012] should_fail.cold.4+0x5/0x13 [ 414.441065] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 414.446163] ? lock_downgrade+0x7f0/0x7f0 [ 414.450325] ? ___might_sleep+0x16b/0x270 [ 414.454469] __should_failslab+0xba/0xf0 [ 414.458522] should_failslab+0x9/0x14 [ 414.462399] kmem_cache_alloc_node+0x270/0x730 [ 414.465236] FAULT_INJECTION: forcing a failure. [ 414.465236] name fail_futex, interval 1, probability 0, space 0, times 0 [ 414.466974] ? find_held_lock+0x36/0x1d0 [ 414.466987] __alloc_skb+0xa7/0x570 [ 414.466994] ? skb_scrub_packet+0x3a0/0x3a0 [ 414.467008] _sctp_make_chunk+0x3f/0x260 [ 414.467016] sctp_make_datafrag_empty+0x159/0x260 [ 414.499195] ? sctp_make_ecne+0xf0/0xf0 [ 414.503168] ? process_measurement+0x805/0x14b0 [ 414.507837] sctp_datamsg_from_user+0x4d7/0xf30 [ 414.512501] ? mark_held_locks+0x130/0x130 [ 414.516731] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 414.521302] ? find_held_lock+0x36/0x1d0 [ 414.525365] ? sctp_clear_owner_w+0xf0/0xf0 [ 414.529677] ? lock_sock_nested+0xc5/0x100 [ 414.533900] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.538477] ? __local_bh_enable_ip+0x160/0x260 [ 414.543132] ? lock_sock_nested+0x82/0x100 [ 414.547353] ? trace_hardirqs_on+0x28/0x190 [ 414.551659] ? lock_sock_nested+0x82/0x100 [ 414.555881] ? lock_sock_nested+0x82/0x100 [ 414.560102] ? __local_bh_enable_ip+0x160/0x260 [ 414.564767] sctp_sendmsg+0xb80/0x1710 [ 414.568655] ? sctp_id2assoc+0x250/0x250 [ 414.572708] ? ___might_sleep+0x16b/0x270 [ 414.576849] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.581771] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 414.586691] inet_sendmsg+0x108/0x440 [ 414.590484] ? security_socket_sendmsg+0x4a/0x90 [ 414.595227] ? ipip_gro_receive+0xf0/0xf0 [ 414.599367] sock_sendmsg+0xb5/0xf0 [ 414.602984] sock_write_iter+0x1e9/0x3d0 [ 414.607039] ? sock_sendmsg+0xf0/0xf0 [ 414.610870] __vfs_write+0x4a3/0x970 [ 414.614575] ? lock_downgrade+0x7f0/0x7f0 [ 414.618715] ? kernel_read+0x130/0x130 [ 414.622599] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.627531] ? apparmor_file_permission+0x15/0x20 [ 414.632459] ? rw_verify_area+0xb8/0x2b0 [ 414.636515] vfs_write+0x150/0x4e0 [ 414.640067] ksys_write+0xcd/0x1b0 [ 414.643596] ? __ia32_sys_read+0xa0/0xa0 [ 414.647650] ? do_syscall_64+0x21/0x4d0 [ 414.651614] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.656971] __x64_sys_write+0x6e/0xb0 [ 414.660850] do_syscall_64+0xd0/0x4d0 [ 414.664644] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.669829] RIP: 0033:0x4592c9 [ 414.673009] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 414.691906] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.699637] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 414.706906] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 414.714169] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 414.721433] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 414.728698] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 414.735981] CPU: 0 PID: 13005 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 414.743172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.754461] Call Trace: [ 414.758526] dump_stack+0x113/0x167 [ 414.758538] should_fail.cold.4+0x5/0x13 [ 414.758546] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 414.758553] ? lock_downgrade+0x7f0/0x7f0 [ 414.758561] ? ___might_sleep+0x16b/0x270 [ 414.758571] __should_failslab+0xba/0xf0 [ 414.758579] should_failslab+0x9/0x14 [ 414.758584] kmem_cache_alloc_node+0x270/0x730 [ 414.758598] __alloc_skb+0xa7/0x570 [ 414.799414] ? skb_scrub_packet+0x3a0/0x3a0 [ 414.803757] _sctp_make_chunk+0x3f/0x260 [ 414.807827] sctp_make_datafrag_empty+0x159/0x260 [ 414.812679] ? sctp_make_ecne+0xf0/0xf0 [ 414.812693] sctp_datamsg_from_user+0x4d7/0xf30 [ 414.812704] ? mark_held_locks+0x130/0x130 [ 414.812716] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 414.812720] ? __lock_is_held+0xb5/0x140 [ 414.812727] ? find_held_lock+0x36/0x1d0 [ 414.821403] ? sctp_clear_owner_w+0xf0/0xf0 [ 414.821410] ? lock_sock_nested+0xc5/0x100 [ 414.821416] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.821422] ? __local_bh_enable_ip+0x160/0x260 [ 414.821426] ? lock_sock_nested+0x82/0x100 [ 414.821431] ? trace_hardirqs_on+0x28/0x190 [ 414.821435] ? lock_sock_nested+0x82/0x100 [ 414.821440] ? lock_sock_nested+0x82/0x100 [ 414.821445] ? __local_bh_enable_ip+0x160/0x260 [ 414.821454] sctp_sendmsg+0xb80/0x1710 [ 414.821465] ? sctp_id2assoc+0x250/0x250 [ 414.821481] ? ___might_sleep+0x16b/0x270 [ 414.821499] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.821517] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 414.900656] inet_sendmsg+0x108/0x440 [ 414.904462] ? security_socket_sendmsg+0x4a/0x90 [ 414.909223] ? ipip_gro_receive+0xf0/0xf0 [ 414.913378] sock_sendmsg+0xb5/0xf0 [ 414.917012] sock_write_iter+0x1e9/0x3d0 [ 414.921080] ? sock_sendmsg+0xf0/0xf0 [ 414.924898] __vfs_write+0x4a3/0x970 [ 414.928619] ? lock_downgrade+0x7f0/0x7f0 [ 414.932770] ? kernel_read+0x130/0x130 [ 414.936664] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 414.941623] ? apparmor_file_permission+0x15/0x20 [ 414.946475] ? rw_verify_area+0xb8/0x2b0 [ 414.950554] vfs_write+0x150/0x4e0 [ 414.954102] ksys_write+0xcd/0x1b0 [ 414.957662] ? __ia32_sys_read+0xa0/0xa0 [ 414.961731] ? do_syscall_64+0x21/0x4d0 [ 414.965747] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.971151] __x64_sys_write+0x6e/0xb0 [ 414.975050] do_syscall_64+0xd0/0x4d0 [ 414.978860] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.980573] FAULT_INJECTION: forcing a failure. [ 414.980573] name failslab, interval 1, probability 0, space 0, times 0 [ 414.984051] RIP: 0033:0x4592c9 [ 414.984058] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 414.984061] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.984067] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 414.984071] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 414.984075] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 414.984078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 414.984081] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 415.027861] CPU: 0 PID: 13009 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 415.040282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.062096] Call Trace: [ 415.062111] dump_stack+0x113/0x167 [ 415.062124] should_fail.cold.4+0x5/0x13 [ 415.062132] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 415.062141] ? _raw_spin_unlock+0x2c/0x50 [ 415.062148] ? free_one_page+0x985/0xf30 [ 415.062158] get_futex_key+0x19e/0x1030 [ 415.062164] ? trace_hardirqs_on+0x28/0x190 [ 415.062174] ? futex_lock_pi_atomic+0x200/0x200 [ 415.062180] ? __free_pages+0x7f/0xb0 [ 415.062188] ? check_noncircular+0x20/0x20 [ 415.062194] ? finish_task_switch+0x486/0x6d0 [ 415.062201] futex_wake+0xcb/0x590 [ 415.062209] ? get_futex_key+0x1030/0x1030 [ 415.062219] ? __lock_acquire+0x5d6/0x4760 [ 415.062228] do_futex+0x59a/0x1800 [ 415.062232] ? __lock_acquire+0x5d6/0x4760 [ 415.062241] ? mark_held_locks+0x130/0x130 [ 415.062249] ? exit_robust_list+0x1b0/0x1b0 [ 415.062254] ? mark_held_locks+0x130/0x130 [ 415.062263] ? find_held_lock+0x36/0x1d0 [ 415.062272] ? find_held_lock+0x36/0x1d0 [ 415.062283] ? __might_fault+0xf1/0x1b0 [ 415.062287] ? lock_downgrade+0x7f0/0x7f0 [ 415.062302] mm_release+0x2da/0x410 [ 415.078978] do_exit+0x388/0x2ba0 [ 415.078986] ? inet_sendmsg+0x108/0x440 [ 415.078993] ? security_socket_sendmsg+0x4a/0x90 [ 415.079004] ? mm_update_next_owner+0x680/0x680 [ 415.079010] ? find_held_lock+0x36/0x1d0 [ 415.079022] ? get_signal+0x584/0x11d0 [ 415.079029] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.079058] ? get_signal+0x584/0x11d0 [ 415.079067] do_group_exit+0xf4/0x2f0 [ 415.079074] get_signal+0x532/0x11d0 [ 415.079089] do_signal+0x87/0x1930 [ 415.085462] ? rw_verify_area+0xb8/0x2b0 [ 415.085470] ? setup_sigcontext+0x7d0/0x7d0 [ 415.085479] ? kasan_check_write+0x14/0x20 [ 415.085486] ? fput+0x18/0x120 [ 415.085491] ? ksys_write+0x157/0x1b0 [ 415.085499] ? lockdep_hardirqs_on+0x421/0x5c0 [ 415.085508] ? exit_to_usermode_loop+0x3a/0x200 [ 415.151519] FAULT_INJECTION: forcing a failure. [ 415.151519] name failslab, interval 1, probability 0, space 0, times 0 [ 415.153036] ? trace_hardirqs_on+0x28/0x190 [ 415.153056] exit_to_usermode_loop+0x114/0x200 [ 415.153064] do_syscall_64+0x407/0x4d0 [ 415.165702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.185521] RIP: 0033:0x4592c9 [ 415.185529] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 415.185532] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.185538] RAX: ffffffffffffffe0 RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 415.185541] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 415.185545] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 415.185548] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 415.185551] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 415.256959] CPU: 0 PID: 13023 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 415.362620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.372406] Call Trace: [ 415.375185] dump_stack+0x113/0x167 [ 415.378830] should_fail.cold.4+0x5/0x13 [ 415.383013] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 415.388362] ? lock_downgrade+0x7f0/0x7f0 [ 415.392526] ? ___might_sleep+0x16b/0x270 [ 415.397097] __should_failslab+0xba/0xf0 [ 415.397863] FAULT_INJECTION: forcing a failure. [ 415.397863] name failslab, interval 1, probability 0, space 0, times 0 [ 415.401409] should_failslab+0x9/0x14 [ 415.416679] kmem_cache_alloc_node+0x270/0x730 [ 415.421376] __alloc_skb+0xa7/0x570 [ 415.425019] ? skb_scrub_packet+0x3a0/0x3a0 [ 415.429358] _sctp_make_chunk+0x3f/0x260 [ 415.433427] sctp_make_datafrag_empty+0x159/0x260 [ 415.438284] ? sctp_make_ecne+0xf0/0xf0 [ 415.442311] sctp_datamsg_from_user+0x4d7/0xf30 [ 415.446994] ? mark_held_locks+0x130/0x130 [ 415.451243] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 415.455830] ? __lock_is_held+0xb5/0x140 [ 415.459901] ? find_held_lock+0x36/0x1d0 [ 415.464330] ? sctp_clear_owner_w+0xf0/0xf0 [ 415.468880] ? lock_sock_nested+0xc5/0x100 [ 415.473324] ? lockdep_hardirqs_on+0x421/0x5c0 [ 415.477941] ? __local_bh_enable_ip+0x160/0x260 [ 415.482711] ? lock_sock_nested+0x82/0x100 [ 415.486955] ? trace_hardirqs_on+0x28/0x190 [ 415.491279] ? lock_sock_nested+0x82/0x100 [ 415.495617] ? lock_sock_nested+0x82/0x100 [ 415.499945] ? __local_bh_enable_ip+0x160/0x260 [ 415.504825] sctp_sendmsg+0xb80/0x1710 [ 415.508772] ? sctp_id2assoc+0x250/0x250 [ 415.512840] ? ___might_sleep+0x16b/0x270 [ 415.516997] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 415.521947] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 415.526977] inet_sendmsg+0x108/0x440 [ 415.530892] ? security_socket_sendmsg+0x4a/0x90 [ 415.535896] ? ipip_gro_receive+0xf0/0xf0 [ 415.540152] sock_sendmsg+0xb5/0xf0 [ 415.543829] sock_write_iter+0x1e9/0x3d0 [ 415.547899] ? sock_sendmsg+0xf0/0xf0 [ 415.551892] __vfs_write+0x4a3/0x970 [ 415.555635] ? lock_downgrade+0x7f0/0x7f0 [ 415.559100] FAULT_INJECTION: forcing a failure. [ 415.559100] name failslab, interval 1, probability 0, space 0, times 0 [ 415.559794] ? kernel_read+0x130/0x130 [ 415.574928] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 415.580866] ? apparmor_file_permission+0x15/0x20 [ 415.585903] ? rw_verify_area+0xb8/0x2b0 [ 415.589979] vfs_write+0x150/0x4e0 [ 415.593684] ksys_write+0xcd/0x1b0 [ 415.597286] ? __ia32_sys_read+0xa0/0xa0 [ 415.601365] ? do_syscall_64+0x21/0x4d0 [ 415.605347] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.610719] __x64_sys_write+0x6e/0xb0 [ 415.614745] do_syscall_64+0xd0/0x4d0 [ 415.618748] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.624057] RIP: 0033:0x4592c9 [ 415.627443] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 415.646761] RSP: 002b:00007f8bbde94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.654659] RAX: ffffffffffffffda RBX: 00007f8bbde94c90 RCX: 00000000004592c9 [ 415.662198] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 415.669627] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 415.676991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbde956d4 [ 415.684360] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 415.691813] CPU: 1 PID: 13021 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 415.699233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.709217] Call Trace: [ 415.711938] dump_stack+0x113/0x167 [ 415.715593] should_fail.cold.4+0x5/0x13 [ 415.719949] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 415.725065] ? lock_downgrade+0x7f0/0x7f0 [ 415.730186] ? ___might_sleep+0x16b/0x270 [ 415.734450] __should_failslab+0xba/0xf0 [ 415.738562] should_failslab+0x9/0x14 [ 415.742375] kmem_cache_alloc_node+0x270/0x730 [ 415.746972] ? find_held_lock+0x36/0x1d0 [ 415.751257] __alloc_skb+0xa7/0x570 [ 415.755112] ? skb_scrub_packet+0x3a0/0x3a0 [ 415.759783] _sctp_make_chunk+0x3f/0x260 [ 415.763856] sctp_make_datafrag_empty+0x159/0x260 [ 415.768717] ? sctp_make_ecne+0xf0/0xf0 [ 415.772699] ? process_measurement+0x805/0x14b0 [ 415.777506] sctp_datamsg_from_user+0x4d7/0xf30 [ 415.782186] ? mark_held_locks+0x130/0x130 [ 415.786591] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 415.791179] ? find_held_lock+0x36/0x1d0 [ 415.795645] ? sctp_clear_owner_w+0xf0/0xf0 [ 415.800157] ? lock_sock_nested+0xc5/0x100 [ 415.804400] ? lockdep_hardirqs_on+0x421/0x5c0 [ 415.809256] ? __local_bh_enable_ip+0x160/0x260 [ 415.813927] ? lock_sock_nested+0x82/0x100 [ 415.818168] ? trace_hardirqs_on+0x28/0x190 [ 415.822496] ? lock_sock_nested+0x82/0x100 [ 415.826736] ? lock_sock_nested+0x82/0x100 [ 415.831072] ? __local_bh_enable_ip+0x160/0x260 [ 415.835766] sctp_sendmsg+0xb80/0x1710 [ 415.839666] ? sctp_id2assoc+0x250/0x250 [ 415.843818] ? ___might_sleep+0x16b/0x270 [ 415.848173] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 415.853255] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 415.858234] inet_sendmsg+0x108/0x440 [ 415.862062] ? security_socket_sendmsg+0x4a/0x90 [ 415.866910] ? ipip_gro_receive+0xf0/0xf0 [ 415.871237] sock_sendmsg+0xb5/0xf0 [ 415.875039] sock_write_iter+0x1e9/0x3d0 [ 415.879113] ? sock_sendmsg+0xf0/0xf0 [ 415.882934] __vfs_write+0x4a3/0x970 [ 415.886664] ? lock_downgrade+0x7f0/0x7f0 [ 415.890823] ? kernel_read+0x130/0x130 [ 415.894723] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 415.899765] ? apparmor_file_permission+0x15/0x20 [ 415.904758] ? rw_verify_area+0xb8/0x2b0 [ 415.909067] vfs_write+0x150/0x4e0 [ 415.912707] ksys_write+0xcd/0x1b0 [ 415.916341] ? __ia32_sys_read+0xa0/0xa0 [ 415.920484] ? do_syscall_64+0x21/0x4d0 [ 415.924463] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.930144] __x64_sys_write+0x6e/0xb0 [ 415.934244] do_syscall_64+0xd0/0x4d0 [ 415.938058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.943388] RIP: 0033:0x4592c9 [ 415.946717] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 415.966408] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.974209] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 415.981482] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 415.989617] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 415.997309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 416.004689] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 416.012372] CPU: 0 PID: 13036 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 416.019654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.019658] Call Trace: [ 416.019671] dump_stack+0x113/0x167 [ 416.019683] should_fail.cold.4+0x5/0x13 [ 416.019690] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 416.019697] ? lock_downgrade+0x7f0/0x7f0 [ 416.049543] ? ___might_sleep+0x16b/0x270 [ 416.053797] __should_failslab+0xba/0xf0 [ 416.053806] should_failslab+0x9/0x14 [ 416.053812] kmem_cache_alloc_node+0x270/0x730 [ 416.053820] ? find_held_lock+0x36/0x1d0 [ 416.053831] __alloc_skb+0xa7/0x570 [ 416.066915] ? skb_scrub_packet+0x3a0/0x3a0 [ 416.066931] _sctp_make_chunk+0x3f/0x260 [ 416.066940] sctp_make_datafrag_empty+0x159/0x260 [ 416.066947] ? sctp_make_ecne+0xf0/0xf0 [ 416.066958] ? process_measurement+0x805/0x14b0 [ 416.066966] sctp_datamsg_from_user+0x4d7/0xf30 [ 416.066975] ? mark_held_locks+0x130/0x130 [ 416.066987] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 416.066995] ? find_held_lock+0x36/0x1d0 [ 416.067005] ? sctp_clear_owner_w+0xf0/0xf0 [ 416.067011] ? lock_sock_nested+0xc5/0x100 [ 416.067016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.067022] ? __local_bh_enable_ip+0x160/0x260 [ 416.067026] ? lock_sock_nested+0x82/0x100 [ 416.067031] ? trace_hardirqs_on+0x28/0x190 [ 416.067035] ? lock_sock_nested+0x82/0x100 [ 416.067039] ? lock_sock_nested+0x82/0x100 [ 416.067046] ? __local_bh_enable_ip+0x160/0x260 [ 416.067054] sctp_sendmsg+0xb80/0x1710 [ 416.092400] ? sctp_id2assoc+0x250/0x250 [ 416.163982] ? ___might_sleep+0x16b/0x270 [ 416.168150] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.173233] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 416.178357] inet_sendmsg+0x108/0x440 [ 416.182298] ? security_socket_sendmsg+0x4a/0x90 [ 416.187078] ? ipip_gro_receive+0xf0/0xf0 [ 416.191496] sock_sendmsg+0xb5/0xf0 [ 416.195130] sock_write_iter+0x1e9/0x3d0 [ 416.199287] ? sock_sendmsg+0xf0/0xf0 [ 416.203285] __vfs_write+0x4a3/0x970 [ 416.207049] ? lock_downgrade+0x7f0/0x7f0 [ 416.211246] ? kernel_read+0x130/0x130 [ 416.215152] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.220176] ? apparmor_file_permission+0x15/0x20 [ 416.225033] ? rw_verify_area+0xb8/0x2b0 [ 416.229369] vfs_write+0x150/0x4e0 [ 416.232936] ksys_write+0xcd/0x1b0 [ 416.236481] ? __ia32_sys_read+0xa0/0xa0 [ 416.240559] ? do_syscall_64+0x21/0x4d0 [ 416.244560] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.249936] __x64_sys_write+0x6e/0xb0 [ 416.253834] do_syscall_64+0xd0/0x4d0 [ 416.257695] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.263065] RIP: 0033:0x4592c9 [ 416.266852] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 416.286656] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.294483] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 416.302086] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 416.309860] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 416.317167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 416.324640] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 416.332370] CPU: 1 PID: 13033 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 416.339761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.349389] Call Trace: [ 416.351993] dump_stack+0x113/0x167 [ 416.355826] should_fail.cold.4+0x5/0x13 [ 416.359910] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 416.365252] ? lock_downgrade+0x7f0/0x7f0 [ 416.369556] ? ___might_sleep+0x16b/0x270 [ 416.373732] __should_failslab+0xba/0xf0 [ 416.378117] should_failslab+0x9/0x14 [ 416.381929] kmem_cache_alloc_node+0x270/0x730 [ 416.386523] ? find_held_lock+0x36/0x1d0 [ 416.390692] __alloc_skb+0xa7/0x570 [ 416.394345] ? skb_scrub_packet+0x3a0/0x3a0 [ 416.398689] _sctp_make_chunk+0x3f/0x260 [ 416.402257] FAULT_INJECTION: forcing a failure. [ 416.402257] name failslab, interval 1, probability 0, space 0, times 0 [ 416.402850] sctp_make_datafrag_empty+0x159/0x260 [ 416.402858] ? sctp_make_ecne+0xf0/0xf0 [ 416.402868] ? process_measurement+0x805/0x14b0 [ 416.402879] sctp_datamsg_from_user+0x4d7/0xf30 [ 416.432642] ? mark_held_locks+0x130/0x130 [ 416.436890] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 416.441508] ? find_held_lock+0x36/0x1d0 [ 416.445582] ? sctp_clear_owner_w+0xf0/0xf0 [ 416.449912] ? lock_sock_nested+0xc5/0x100 [ 416.454148] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.458837] ? __local_bh_enable_ip+0x160/0x260 [ 416.463607] ? lock_sock_nested+0x82/0x100 [ 416.467847] ? trace_hardirqs_on+0x28/0x190 [ 416.472175] ? lock_sock_nested+0x82/0x100 [ 416.476499] ? lock_sock_nested+0x82/0x100 [ 416.481093] ? __local_bh_enable_ip+0x160/0x260 [ 416.485787] sctp_sendmsg+0xb80/0x1710 [ 416.489747] ? sctp_id2assoc+0x250/0x250 [ 416.493839] ? ___might_sleep+0x16b/0x270 [ 416.498131] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.503178] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 416.508453] inet_sendmsg+0x108/0x440 [ 416.512269] ? security_socket_sendmsg+0x4a/0x90 [ 416.517401] ? ipip_gro_receive+0xf0/0xf0 [ 416.521570] sock_sendmsg+0xb5/0xf0 [ 416.525420] sock_write_iter+0x1e9/0x3d0 [ 416.529587] ? sock_sendmsg+0xf0/0xf0 [ 416.534007] __vfs_write+0x4a3/0x970 [ 416.538254] ? lock_downgrade+0x7f0/0x7f0 [ 416.542866] ? kernel_read+0x130/0x130 [ 416.546955] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.552253] ? apparmor_file_permission+0x15/0x20 [ 416.557305] ? rw_verify_area+0xb8/0x2b0 [ 416.562192] vfs_write+0x150/0x4e0 [ 416.565753] ksys_write+0xcd/0x1b0 [ 416.569302] ? __ia32_sys_read+0xa0/0xa0 [ 416.573380] ? do_syscall_64+0x21/0x4d0 [ 416.577632] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.583008] __x64_sys_write+0x6e/0xb0 [ 416.586931] do_syscall_64+0xd0/0x4d0 [ 416.590761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.595959] RIP: 0033:0x4592c9 [ 416.599335] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 416.618774] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.626788] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 416.634395] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 416.641946] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 416.649409] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 416.656695] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 416.664411] CPU: 0 PID: 13044 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 2019/06/15 21:34:52 executed programs: 1513 [ 416.671973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.671979] Call Trace: [ 416.684391] dump_stack+0x113/0x167 [ 416.688388] should_fail.cold.4+0x5/0x13 [ 416.692651] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 416.698063] ? lock_downgrade+0x7f0/0x7f0 [ 416.702237] ? ___might_sleep+0x16b/0x270 [ 416.706592] __should_failslab+0xba/0xf0 [ 416.706601] should_failslab+0x9/0x14 [ 416.706606] kmem_cache_alloc_node+0x270/0x730 [ 416.706614] ? find_held_lock+0x36/0x1d0 [ 416.706628] __alloc_skb+0xa7/0x570 [ 416.706635] ? skb_scrub_packet+0x3a0/0x3a0 [ 416.715042] _sctp_make_chunk+0x3f/0x260 [ 416.715051] sctp_make_datafrag_empty+0x159/0x260 [ 416.715058] ? sctp_make_ecne+0xf0/0xf0 [ 416.715068] ? process_measurement+0x805/0x14b0 [ 416.715078] sctp_datamsg_from_user+0x4d7/0xf30 [ 416.715087] ? mark_held_locks+0x130/0x130 [ 416.715098] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 416.723992] ? find_held_lock+0x36/0x1d0 [ 416.724005] ? sctp_clear_owner_w+0xf0/0xf0 [ 416.724013] ? lock_sock_nested+0xc5/0x100 [ 416.724018] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.724025] ? __local_bh_enable_ip+0x160/0x260 [ 416.724029] ? lock_sock_nested+0x82/0x100 [ 416.724034] ? trace_hardirqs_on+0x28/0x190 [ 416.724038] ? lock_sock_nested+0x82/0x100 [ 416.724042] ? lock_sock_nested+0x82/0x100 [ 416.724048] ? __local_bh_enable_ip+0x160/0x260 [ 416.732743] sctp_sendmsg+0xb80/0x1710 [ 416.732756] ? sctp_id2assoc+0x250/0x250 [ 416.732764] ? ___might_sleep+0x16b/0x270 [ 416.732776] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.732790] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 416.732799] inet_sendmsg+0x108/0x440 [ 416.742280] ? security_socket_sendmsg+0x4a/0x90 [ 416.742289] ? ipip_gro_receive+0xf0/0xf0 [ 416.742297] sock_sendmsg+0xb5/0xf0 [ 416.742310] sock_write_iter+0x1e9/0x3d0 [ 416.742318] ? sock_sendmsg+0xf0/0xf0 [ 416.742335] __vfs_write+0x4a3/0x970 [ 416.742343] ? lock_downgrade+0x7f0/0x7f0 [ 416.835443] ? kernel_read+0x130/0x130 [ 416.835453] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 416.835465] ? apparmor_file_permission+0x15/0x20 [ 416.848561] ? rw_verify_area+0xb8/0x2b0 [ 416.848570] vfs_write+0x150/0x4e0 [ 416.848578] ksys_write+0xcd/0x1b0 [ 416.848585] ? __ia32_sys_read+0xa0/0xa0 [ 416.848593] ? do_syscall_64+0x21/0x4d0 [ 416.848601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.848610] __x64_sys_write+0x6e/0xb0 [ 416.848616] do_syscall_64+0xd0/0x4d0 [ 416.848625] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.848630] RIP: 0033:0x4592c9 [ 416.848638] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 416.848641] RSP: 002b:00007fec74b38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.848648] RAX: ffffffffffffffda RBX: 00007fec74b38c90 RCX: 00000000004592c9 [ 416.848652] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 416.848655] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 416.848658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b396d4 [ 416.848661] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 416.917131] FAULT_INJECTION: forcing a failure. [ 416.917131] name failslab, interval 1, probability 0, space 0, times 0 [ 416.961279] FAULT_INJECTION: forcing a failure. [ 416.961279] name failslab, interval 1, probability 0, space 0, times 0 [ 417.014856] CPU: 0 PID: 13060 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 417.023808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.033176] Call Trace: [ 417.035782] dump_stack+0x113/0x167 [ 417.039643] should_fail.cold.4+0x5/0x13 [ 417.043722] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 417.048928] ? lock_downgrade+0x7f0/0x7f0 [ 417.053265] ? ___might_sleep+0x16b/0x270 [ 417.053276] __should_failslab+0xba/0xf0 [ 417.053285] should_failslab+0x9/0x14 [ 417.053290] kmem_cache_alloc_node+0x270/0x730 [ 417.053297] ? find_held_lock+0x36/0x1d0 [ 417.053317] __alloc_skb+0xa7/0x570 [ 417.053324] ? skb_scrub_packet+0x3a0/0x3a0 [ 417.071763] FAULT_INJECTION: forcing a failure. [ 417.071763] name failslab, interval 1, probability 0, space 0, times 0 [ 417.074657] _sctp_make_chunk+0x3f/0x260 [ 417.074667] sctp_make_datafrag_empty+0x159/0x260 [ 417.074675] ? sctp_make_ecne+0xf0/0xf0 [ 417.093922] ? process_measurement+0x805/0x14b0 [ 417.093936] sctp_datamsg_from_user+0x4d7/0xf30 [ 417.093946] ? mark_held_locks+0x130/0x130 [ 417.093957] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 417.125674] ? find_held_lock+0x36/0x1d0 [ 417.130072] ? sctp_clear_owner_w+0xf0/0xf0 [ 417.134496] ? lock_sock_nested+0xc5/0x100 [ 417.138880] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.143471] ? __local_bh_enable_ip+0x160/0x260 [ 417.148152] ? lock_sock_nested+0x82/0x100 [ 417.152402] ? trace_hardirqs_on+0x28/0x190 [ 417.156829] ? lock_sock_nested+0x82/0x100 [ 417.161075] ? lock_sock_nested+0x82/0x100 [ 417.165342] ? __local_bh_enable_ip+0x160/0x260 [ 417.170117] sctp_sendmsg+0xb80/0x1710 [ 417.174273] ? sctp_id2assoc+0x250/0x250 [ 417.178479] ? ___might_sleep+0x16b/0x270 [ 417.182430] FAULT_INJECTION: forcing a failure. [ 417.182430] name failslab, interval 1, probability 0, space 0, times 0 [ 417.182675] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.196136] FAULT_INJECTION: forcing a failure. [ 417.196136] name failslab, interval 1, probability 0, space 0, times 0 [ 417.199010] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 417.199021] inet_sendmsg+0x108/0x440 [ 417.199028] ? security_socket_sendmsg+0x4a/0x90 [ 417.199119] ? ipip_gro_receive+0xf0/0xf0 [ 417.199127] sock_sendmsg+0xb5/0xf0 [ 417.199134] sock_write_iter+0x1e9/0x3d0 [ 417.199141] ? sock_sendmsg+0xf0/0xf0 [ 417.199157] __vfs_write+0x4a3/0x970 [ 417.199164] ? lock_downgrade+0x7f0/0x7f0 [ 417.199170] ? kernel_read+0x130/0x130 [ 417.199178] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.199189] ? apparmor_file_permission+0x15/0x20 [ 417.199197] ? rw_verify_area+0xb8/0x2b0 [ 417.199205] vfs_write+0x150/0x4e0 [ 417.199212] ksys_write+0xcd/0x1b0 [ 417.199219] ? __ia32_sys_read+0xa0/0xa0 [ 417.253016] ? do_syscall_64+0x21/0x4d0 [ 417.263291] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.289061] __x64_sys_write+0x6e/0xb0 [ 417.293328] do_syscall_64+0xd0/0x4d0 [ 417.297150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.302477] RIP: 0033:0x4592c9 [ 417.305685] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 417.325732] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.333541] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 417.341074] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 417.348597] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 417.356186] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 417.363467] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 417.370765] CPU: 1 PID: 13073 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 417.378173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.387850] Call Trace: [ 417.390458] dump_stack+0x113/0x167 [ 417.394105] should_fail.cold.4+0x5/0x13 [ 417.398445] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 417.403769] ? lock_downgrade+0x7f0/0x7f0 [ 417.408259] ? ___might_sleep+0x16b/0x270 [ 417.412423] __should_failslab+0xba/0xf0 [ 417.416702] should_failslab+0x9/0x14 [ 417.420845] kmem_cache_alloc_node+0x270/0x730 [ 417.425845] __alloc_skb+0xa7/0x570 [ 417.429491] ? skb_scrub_packet+0x3a0/0x3a0 [ 417.434024] _sctp_make_chunk+0x3f/0x260 [ 417.438107] sctp_make_datafrag_empty+0x159/0x260 [ 417.442964] ? sctp_make_ecne+0xf0/0xf0 [ 417.447325] sctp_datamsg_from_user+0x4d7/0xf30 [ 417.452052] ? mark_held_locks+0x130/0x130 [ 417.452111] FAULT_INJECTION: forcing a failure. [ 417.452111] name failslab, interval 1, probability 0, space 0, times 0 [ 417.456298] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 417.456303] ? __lock_is_held+0xb5/0x140 [ 417.456309] ? find_held_lock+0x36/0x1d0 [ 417.456320] ? sctp_clear_owner_w+0xf0/0xf0 [ 417.456327] ? lock_sock_nested+0xc5/0x100 [ 417.456333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.456340] ? __local_bh_enable_ip+0x160/0x260 [ 417.499028] ? lock_sock_nested+0x82/0x100 [ 417.503350] ? trace_hardirqs_on+0x28/0x190 [ 417.507680] ? lock_sock_nested+0x82/0x100 [ 417.512007] ? lock_sock_nested+0x82/0x100 [ 417.516251] ? __local_bh_enable_ip+0x160/0x260 [ 417.521022] sctp_sendmsg+0xb80/0x1710 [ 417.524926] ? sctp_id2assoc+0x250/0x250 [ 417.529006] ? ___might_sleep+0x16b/0x270 [ 417.533400] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.538520] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 417.543467] inet_sendmsg+0x108/0x440 [ 417.547483] ? security_socket_sendmsg+0x4a/0x90 [ 417.552376] ? ipip_gro_receive+0xf0/0xf0 [ 417.556619] sock_sendmsg+0xb5/0xf0 [ 417.560255] sock_write_iter+0x1e9/0x3d0 [ 417.564386] ? sock_sendmsg+0xf0/0xf0 [ 417.568607] __vfs_write+0x4a3/0x970 [ 417.572327] ? lock_downgrade+0x7f0/0x7f0 [ 417.576570] ? kernel_read+0x130/0x130 [ 417.580466] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.585405] ? apparmor_file_permission+0x15/0x20 [ 417.590522] ? rw_verify_area+0xb8/0x2b0 [ 417.594593] vfs_write+0x150/0x4e0 [ 417.598232] ksys_write+0xcd/0x1b0 [ 417.601784] ? __ia32_sys_read+0xa0/0xa0 [ 417.605862] ? do_syscall_64+0x21/0x4d0 [ 417.610009] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.615384] __x64_sys_write+0x6e/0xb0 [ 417.619549] do_syscall_64+0xd0/0x4d0 [ 417.623361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.628827] RIP: 0033:0x4592c9 [ 417.632225] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 417.651676] RSP: 002b:00007fb8810b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.659842] RAX: ffffffffffffffda RBX: 00007fb8810b8c90 RCX: 00000000004592c9 [ 417.667310] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 417.674927] RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 [ 417.682211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810b96d4 [ 417.689578] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 417.697248] CPU: 0 PID: 13077 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 417.704888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.714514] Call Trace: [ 417.714531] dump_stack+0x113/0x167 [ 417.714542] should_fail.cold.4+0x5/0x13 [ 417.714549] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 417.714555] ? lock_downgrade+0x7f0/0x7f0 [ 417.714562] ? ___might_sleep+0x16b/0x270 [ 417.714572] __should_failslab+0xba/0xf0 [ 417.714578] should_failslab+0x9/0x14 [ 417.714583] kmem_cache_alloc_node+0x270/0x730 [ 417.714588] ? find_held_lock+0x36/0x1d0 [ 417.714599] __alloc_skb+0xa7/0x570 [ 417.714606] ? skb_scrub_packet+0x3a0/0x3a0 [ 417.714619] _sctp_make_chunk+0x3f/0x260 [ 417.714626] sctp_make_datafrag_empty+0x159/0x260 [ 417.714632] ? sctp_make_ecne+0xf0/0xf0 [ 417.714642] ? process_measurement+0x805/0x14b0 [ 417.714651] sctp_datamsg_from_user+0x4d7/0xf30 [ 417.714659] ? mark_held_locks+0x130/0x130 [ 417.714671] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 417.714679] ? find_held_lock+0x36/0x1d0 [ 417.714689] ? sctp_clear_owner_w+0xf0/0xf0 [ 417.714694] ? lock_sock_nested+0xc5/0x100 [ 417.714699] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.714705] ? __local_bh_enable_ip+0x160/0x260 [ 417.714709] ? lock_sock_nested+0x82/0x100 [ 417.714715] ? trace_hardirqs_on+0x28/0x190 [ 417.714719] ? lock_sock_nested+0x82/0x100 [ 417.714724] ? lock_sock_nested+0x82/0x100 [ 417.714730] ? __local_bh_enable_ip+0x160/0x260 [ 417.714738] sctp_sendmsg+0xb80/0x1710 [ 417.850980] ? sctp_id2assoc+0x250/0x250 [ 417.855055] ? ___might_sleep+0x16b/0x270 [ 417.860175] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.865203] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 417.870139] inet_sendmsg+0x108/0x440 [ 417.874109] ? security_socket_sendmsg+0x4a/0x90 [ 417.878988] ? ipip_gro_receive+0xf0/0xf0 [ 417.883234] sock_sendmsg+0xb5/0xf0 [ 417.886956] sock_write_iter+0x1e9/0x3d0 [ 417.891114] ? sock_sendmsg+0xf0/0xf0 [ 417.894940] __vfs_write+0x4a3/0x970 [ 417.898684] ? lock_downgrade+0x7f0/0x7f0 [ 417.902867] ? kernel_read+0x130/0x130 [ 417.906784] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 417.911747] ? apparmor_file_permission+0x15/0x20 [ 417.916745] ? rw_verify_area+0xb8/0x2b0 [ 417.920827] vfs_write+0x150/0x4e0 [ 417.924392] ksys_write+0xcd/0x1b0 [ 417.928027] ? __ia32_sys_read+0xa0/0xa0 [ 417.932255] ? do_syscall_64+0x21/0x4d0 [ 417.936310] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.941777] __x64_sys_write+0x6e/0xb0 [ 417.945758] do_syscall_64+0xd0/0x4d0 [ 417.949715] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.954909] RIP: 0033:0x4592c9 [ 417.958137] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 417.977257] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.985056] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 417.992588] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 418.000241] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 418.007876] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 418.015284] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 418.023018] CPU: 1 PID: 13064 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 418.030244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.039708] Call Trace: [ 418.042433] dump_stack+0x113/0x167 [ 418.046132] should_fail.cold.4+0x5/0x13 [ 418.050212] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 418.055325] ? lock_downgrade+0x7f0/0x7f0 [ 418.059748] ? ___might_sleep+0x16b/0x270 [ 418.063908] __should_failslab+0xba/0xf0 [ 418.067979] should_failslab+0x9/0x14 [ 418.071791] kmem_cache_alloc_trace+0x2d8/0x740 [ 418.076758] sctp_datamsg_from_user+0x7f/0xf30 [ 418.081351] ? kmem_cache_alloc_trace+0x353/0x740 [ 418.086219] ? sctp_sched_init_sid+0xf1/0x170 [ 418.090738] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 418.095358] ? find_held_lock+0x36/0x1d0 [ 418.099519] ? sctp_clear_owner_w+0xf0/0xf0 [ 418.103850] ? lock_sock_nested+0xc5/0x100 [ 418.108093] ? lockdep_hardirqs_on+0x421/0x5c0 [ 418.113017] ? __local_bh_enable_ip+0x160/0x260 [ 418.117696] ? lock_sock_nested+0x82/0x100 [ 418.122508] ? trace_hardirqs_on+0x28/0x190 [ 418.126924] ? lock_sock_nested+0x82/0x100 [ 418.131251] ? lock_sock_nested+0x82/0x100 [ 418.135495] ? __local_bh_enable_ip+0x160/0x260 [ 418.140360] sctp_sendmsg+0xb80/0x1710 [ 418.144258] ? sctp_id2assoc+0x250/0x250 [ 418.148511] ? ___might_sleep+0x16b/0x270 [ 418.152674] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.157615] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 418.162563] inet_sendmsg+0x108/0x440 [ 418.166477] ? security_socket_sendmsg+0x4a/0x90 [ 418.171240] ? ipip_gro_receive+0xf0/0xf0 [ 418.175429] sock_sendmsg+0xb5/0xf0 [ 418.179201] sock_write_iter+0x1e9/0x3d0 [ 418.183364] ? sock_sendmsg+0xf0/0xf0 [ 418.187273] __vfs_write+0x4a3/0x970 [ 418.191015] ? lock_downgrade+0x7f0/0x7f0 [ 418.195254] ? kernel_read+0x130/0x130 [ 418.199241] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.204186] ? apparmor_file_permission+0x15/0x20 [ 418.209035] ? rw_verify_area+0xb8/0x2b0 [ 418.213103] vfs_write+0x150/0x4e0 [ 418.216863] ksys_write+0xcd/0x1b0 [ 418.220460] ? __ia32_sys_read+0xa0/0xa0 [ 418.224536] ? do_syscall_64+0x21/0x4d0 [ 418.228782] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.234346] __x64_sys_write+0x6e/0xb0 [ 418.238242] do_syscall_64+0xd0/0x4d0 [ 418.242140] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.247352] RIP: 0033:0x4592c9 [ 418.250708] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 418.269830] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.277722] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 418.285147] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 418.292690] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 418.300168] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 418.307468] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 418.315103] CPU: 0 PID: 13074 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 418.322582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.331981] Call Trace: [ 418.334588] dump_stack+0x113/0x167 [ 418.338226] should_fail.cold.4+0x5/0x13 [ 418.342310] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 418.347446] ? lock_downgrade+0x7f0/0x7f0 [ 418.351730] ? ___might_sleep+0x16b/0x270 [ 418.356264] __should_failslab+0xba/0xf0 [ 418.360373] should_failslab+0x9/0x14 [ 418.364266] kmem_cache_alloc_node+0x270/0x730 [ 418.368864] __alloc_skb+0xa7/0x570 [ 418.372502] ? skb_scrub_packet+0x3a0/0x3a0 [ 418.376842] _sctp_make_chunk+0x3f/0x260 [ 418.381113] sctp_make_datafrag_empty+0x159/0x260 [ 418.386133] ? sctp_make_ecne+0xf0/0xf0 [ 418.390222] sctp_datamsg_from_user+0x4d7/0xf30 [ 418.394904] ? mark_held_locks+0x130/0x130 [ 418.399181] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 418.403768] ? __lock_is_held+0xb5/0x140 [ 418.407934] ? find_held_lock+0x36/0x1d0 [ 418.412111] ? sctp_clear_owner_w+0xf0/0xf0 [ 418.416436] ? lock_sock_nested+0xc5/0x100 [ 418.420795] ? lockdep_hardirqs_on+0x421/0x5c0 [ 418.425387] ? __local_bh_enable_ip+0x160/0x260 [ 418.430060] ? lock_sock_nested+0x82/0x100 [ 418.434302] ? trace_hardirqs_on+0x28/0x190 [ 418.438634] ? lock_sock_nested+0x82/0x100 [ 418.442876] ? lock_sock_nested+0x82/0x100 [ 418.447115] ? __local_bh_enable_ip+0x160/0x260 [ 418.451797] sctp_sendmsg+0xb80/0x1710 [ 418.455801] ? sctp_id2assoc+0x250/0x250 [ 418.459869] ? ___might_sleep+0x16b/0x270 [ 418.464028] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.469058] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 418.474143] inet_sendmsg+0x108/0x440 [ 418.477959] ? security_socket_sendmsg+0x4a/0x90 [ 418.482723] ? ipip_gro_receive+0xf0/0xf0 [ 418.486876] sock_sendmsg+0xb5/0xf0 [ 418.490600] sock_write_iter+0x1e9/0x3d0 [ 418.494837] ? sock_sendmsg+0xf0/0xf0 [ 418.498685] __vfs_write+0x4a3/0x970 [ 418.502491] ? lock_downgrade+0x7f0/0x7f0 [ 418.506647] ? kernel_read+0x130/0x130 [ 418.510556] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.515930] ? apparmor_file_permission+0x15/0x20 [ 418.520795] ? rw_verify_area+0xb8/0x2b0 [ 418.524955] vfs_write+0x150/0x4e0 [ 418.524964] ksys_write+0xcd/0x1b0 [ 418.524971] ? __ia32_sys_read+0xa0/0xa0 [ 418.524980] ? do_syscall_64+0x21/0x4d0 [ 418.524988] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.524996] __x64_sys_write+0x6e/0xb0 [ 418.536396] do_syscall_64+0xd0/0x4d0 [ 418.536406] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.536411] RIP: 0033:0x4592c9 [ 418.536418] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 418.536421] RSP: 002b:00007f376cf81c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.536428] RAX: ffffffffffffffda RBX: 00007f376cf81c90 RCX: 00000000004592c9 [ 418.589569] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 418.589574] RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 [ 418.589577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cf826d4 [ 418.589580] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 418.623024] FAULT_INJECTION: forcing a failure. [ 418.623024] name failslab, interval 1, probability 0, space 0, times 0 [ 418.638026] CPU: 0 PID: 13084 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 418.645442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.654992] Call Trace: [ 418.657599] dump_stack+0x113/0x167 [ 418.661422] should_fail.cold.4+0x5/0x13 [ 418.665848] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 418.671264] ? lock_downgrade+0x7f0/0x7f0 [ 418.675424] ? ___might_sleep+0x16b/0x270 [ 418.679795] __should_failslab+0xba/0xf0 [ 418.683894] should_failslab+0x9/0x14 [ 418.687700] kmem_cache_alloc_node+0x270/0x730 [ 418.692476] ? find_held_lock+0x36/0x1d0 [ 418.696586] __alloc_skb+0xa7/0x570 [ 418.700269] ? skb_scrub_packet+0x3a0/0x3a0 [ 418.700285] _sctp_make_chunk+0x3f/0x260 [ 418.700294] sctp_make_datafrag_empty+0x159/0x260 [ 418.700302] ? sctp_make_ecne+0xf0/0xf0 [ 418.700320] ? process_measurement+0x805/0x14b0 [ 418.700329] sctp_datamsg_from_user+0x4d7/0xf30 [ 418.722561] ? mark_held_locks+0x130/0x130 [ 418.722575] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 418.722584] ? find_held_lock+0x36/0x1d0 [ 418.722595] ? sctp_clear_owner_w+0xf0/0xf0 [ 418.722602] ? lock_sock_nested+0xc5/0x100 [ 418.722607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 418.722614] ? __local_bh_enable_ip+0x160/0x260 [ 418.722619] ? lock_sock_nested+0x82/0x100 [ 418.745069] ? trace_hardirqs_on+0x28/0x190 [ 418.745076] ? lock_sock_nested+0x82/0x100 [ 418.745081] ? lock_sock_nested+0x82/0x100 [ 418.745089] ? __local_bh_enable_ip+0x160/0x260 [ 418.745100] sctp_sendmsg+0xb80/0x1710 [ 418.745112] ? sctp_id2assoc+0x250/0x250 [ 418.745119] ? ___might_sleep+0x16b/0x270 [ 418.745130] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.799517] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 418.799528] inet_sendmsg+0x108/0x440 [ 418.799535] ? security_socket_sendmsg+0x4a/0x90 [ 418.799541] ? ipip_gro_receive+0xf0/0xf0 [ 418.799549] sock_sendmsg+0xb5/0xf0 [ 418.799556] sock_write_iter+0x1e9/0x3d0 [ 418.813761] ? sock_sendmsg+0xf0/0xf0 [ 418.834416] __vfs_write+0x4a3/0x970 [ 418.838258] ? lock_downgrade+0x7f0/0x7f0 [ 418.842574] ? kernel_read+0x130/0x130 [ 418.846582] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 418.851715] ? apparmor_file_permission+0x15/0x20 [ 418.856658] ? rw_verify_area+0xb8/0x2b0 [ 418.861778] vfs_write+0x150/0x4e0 [ 418.865426] ksys_write+0xcd/0x1b0 [ 418.869217] ? __ia32_sys_read+0xa0/0xa0 [ 418.873475] ? do_syscall_64+0x21/0x4d0 [ 418.877640] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.883020] __x64_sys_write+0x6e/0xb0 [ 418.887271] do_syscall_64+0xd0/0x4d0 [ 418.891109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.896338] RIP: 0033:0x4592c9 [ 418.899707] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 418.919227] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.926945] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 418.934384] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 418.942110] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 418.949473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 418.953574] FAULT_INJECTION: forcing a failure. [ 418.953574] name failslab, interval 1, probability 0, space 0, times 0 [ 418.957038] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 418.987815] FAULT_INJECTION: forcing a failure. [ 418.987815] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 418.999699] CPU: 0 PID: 13099 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 419.006894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.016258] Call Trace: [ 419.018858] dump_stack+0x113/0x167 [ 419.022501] should_fail.cold.4+0x5/0x13 [ 419.026579] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 419.031695] ? mark_held_locks+0x130/0x130 [ 419.035943] ? kasan_check_read+0x11/0x20 [ 419.040106] should_fail_alloc_page+0x50/0x60 [ 419.044608] __alloc_pages_nodemask+0x186/0x730 [ 419.049335] ? find_held_lock+0x36/0x1d0 [ 419.053567] ? __alloc_pages_slowpath+0x2650/0x2650 [ 419.058721] ? lock_downgrade+0x7f0/0x7f0 [ 419.062884] alloc_pages_current+0xd6/0x1b0 [ 419.067312] __get_free_pages+0xc/0x40 [ 419.071212] __tlb_remove_page_size+0x26b/0x4d0 [ 419.076065] unmap_page_range+0xa45/0x1e30 [ 419.080317] ? __save_stack_trace+0x8d/0xf0 [ 419.084746] ? vm_normal_page_pmd+0x310/0x310 [ 419.089337] ? kmem_cache_free+0x83/0x290 [ 419.093579] ? do_exit+0x94f/0x2ba0 [ 419.097213] ? do_group_exit+0xf4/0x2f0 [ 419.101345] ? get_signal+0x532/0x11d0 [ 419.105332] ? do_signal+0x87/0x1930 [ 419.109067] ? exit_to_usermode_loop+0x114/0x200 [ 419.113848] unmap_single_vma+0x121/0x300 [ 419.118749] unmap_vmas+0x146/0x240 [ 419.118755] ? zap_vma_ptes+0xd0/0xd0 [ 419.118761] ? debug_check_no_obj_freed+0x1ff/0x472 [ 419.118771] ? kasan_check_write+0x14/0x20 [ 419.118778] ? tlb_gather_mmu+0x236/0x3e0 [ 419.118785] exit_mmap+0x251/0x450 [ 419.118791] ? __ia32_sys_munmap+0x80/0x80 [ 419.118799] ? __khugepaged_exit+0x289/0x400 [ 419.118810] ? kasan_check_write+0x14/0x20 [ 419.118815] ? __khugepaged_exit+0x2c0/0x400 [ 419.118824] mmput+0x107/0x3f0 [ 419.118831] do_exit+0x94f/0x2ba0 [ 419.118838] ? inet_sendmsg+0x108/0x440 [ 419.118845] ? security_socket_sendmsg+0x4a/0x90 [ 419.118855] ? mm_update_next_owner+0x680/0x680 [ 419.118862] ? find_held_lock+0x36/0x1d0 [ 419.118873] ? get_signal+0x584/0x11d0 [ 419.118881] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.118886] ? get_signal+0x584/0x11d0 [ 419.118896] do_group_exit+0xf4/0x2f0 [ 419.150053] FAULT_INJECTION: forcing a failure. [ 419.150053] name failslab, interval 1, probability 0, space 0, times 0 [ 419.153533] get_signal+0x532/0x11d0 [ 419.153550] do_signal+0x87/0x1930 [ 419.153560] ? rw_verify_area+0xb8/0x2b0 [ 419.226419] ? setup_sigcontext+0x7d0/0x7d0 [ 419.230933] ? kasan_check_write+0x14/0x20 [ 419.235262] ? fput+0x18/0x120 [ 419.238463] ? ksys_write+0x157/0x1b0 [ 419.242274] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.247607] ? exit_to_usermode_loop+0x3a/0x200 [ 419.252377] ? trace_hardirqs_on+0x28/0x190 [ 419.256711] exit_to_usermode_loop+0x114/0x200 [ 419.261429] do_syscall_64+0x407/0x4d0 [ 419.265422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.270802] RIP: 0033:0x4592c9 [ 419.274156] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 419.293749] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.301723] RAX: ffffffffffffffe0 RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 419.309451] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 419.316852] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 419.324223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 419.331822] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 419.343876] CPU: 1 PID: 13065 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 419.351195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.360840] Call Trace: [ 419.363449] dump_stack+0x113/0x167 [ 419.367093] should_fail.cold.4+0x5/0x13 [ 419.371165] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 419.376282] ? lock_downgrade+0x7f0/0x7f0 [ 419.380530] ? ___might_sleep+0x16b/0x270 [ 419.384440] FAULT_INJECTION: forcing a failure. [ 419.384440] name failslab, interval 1, probability 0, space 0, times 0 [ 419.384934] __should_failslab+0xba/0xf0 [ 419.400493] should_failslab+0x9/0x14 [ 419.404514] kmem_cache_alloc_node+0x270/0x730 [ 419.409101] ? find_held_lock+0x36/0x1d0 [ 419.413177] __alloc_skb+0xa7/0x570 [ 419.416964] ? skb_scrub_packet+0x3a0/0x3a0 [ 419.421300] _sctp_make_chunk+0x3f/0x260 [ 419.425370] sctp_make_datafrag_empty+0x159/0x260 [ 419.430442] ? sctp_make_ecne+0xf0/0xf0 [ 419.434429] ? process_measurement+0x805/0x14b0 [ 419.439220] sctp_datamsg_from_user+0x4d7/0xf30 [ 419.443984] ? mark_held_locks+0x130/0x130 [ 419.448246] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 419.452848] ? find_held_lock+0x36/0x1d0 [ 419.457154] ? sctp_clear_owner_w+0xf0/0xf0 [ 419.461594] ? lock_sock_nested+0xc5/0x100 [ 419.466175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.470903] ? __local_bh_enable_ip+0x160/0x260 [ 419.475705] ? lock_sock_nested+0x82/0x100 [ 419.479965] ? trace_hardirqs_on+0x28/0x190 [ 419.484389] ? lock_sock_nested+0x82/0x100 [ 419.488650] ? lock_sock_nested+0x82/0x100 [ 419.493076] ? __local_bh_enable_ip+0x160/0x260 [ 419.497757] sctp_sendmsg+0xb80/0x1710 [ 419.501656] ? sctp_id2assoc+0x250/0x250 [ 419.505727] ? ___might_sleep+0x16b/0x270 [ 419.509886] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 419.514984] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 419.520249] inet_sendmsg+0x108/0x440 [ 419.524056] ? security_socket_sendmsg+0x4a/0x90 [ 419.528907] ? ipip_gro_receive+0xf0/0xf0 [ 419.533094] sock_sendmsg+0xb5/0xf0 [ 419.536904] sock_write_iter+0x1e9/0x3d0 [ 419.541005] ? sock_sendmsg+0xf0/0xf0 [ 419.544837] __vfs_write+0x4a3/0x970 [ 419.548556] ? lock_downgrade+0x7f0/0x7f0 [ 419.552710] ? kernel_read+0x130/0x130 [ 419.556603] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 419.561541] ? apparmor_file_permission+0x15/0x20 [ 419.566833] ? rw_verify_area+0xb8/0x2b0 [ 419.571008] vfs_write+0x150/0x4e0 [ 419.574642] ksys_write+0xcd/0x1b0 [ 419.578217] ? __ia32_sys_read+0xa0/0xa0 [ 419.582400] ? do_syscall_64+0x21/0x4d0 [ 419.586465] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.591930] __x64_sys_write+0x6e/0xb0 [ 419.595996] do_syscall_64+0xd0/0x4d0 [ 419.599811] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.605007] RIP: 0033:0x4592c9 [ 419.608295] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 419.627439] RSP: 002b:00007f9b5961ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.635284] RAX: ffffffffffffffda RBX: 00007f9b5961ec90 RCX: 00000000004592c9 [ 419.642652] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 419.650205] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 419.657478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b5961f6d4 [ 419.664845] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 419.672233] CPU: 0 PID: 13105 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 419.679637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.689088] Call Trace: [ 419.689101] dump_stack+0x113/0x167 [ 419.689113] should_fail.cold.4+0x5/0x13 [ 419.689120] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 419.689127] ? lock_downgrade+0x7f0/0x7f0 [ 419.689135] ? ___might_sleep+0x16b/0x270 [ 419.712974] __should_failslab+0xba/0xf0 [ 419.712983] should_failslab+0x9/0x14 [ 419.712988] kmem_cache_alloc_node+0x270/0x730 [ 419.712996] ? find_held_lock+0x36/0x1d0 [ 419.713007] __alloc_skb+0xa7/0x570 [ 419.734831] ? skb_scrub_packet+0x3a0/0x3a0 [ 419.739264] _sctp_make_chunk+0x3f/0x260 [ 419.743515] sctp_make_datafrag_empty+0x159/0x260 [ 419.748457] ? sctp_make_ecne+0xf0/0xf0 [ 419.752533] ? process_measurement+0x805/0x14b0 [ 419.757444] sctp_datamsg_from_user+0x4d7/0xf30 [ 419.762132] ? mark_held_locks+0x130/0x130 [ 419.766382] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 419.771063] ? find_held_lock+0x36/0x1d0 [ 419.775137] ? sctp_clear_owner_w+0xf0/0xf0 [ 419.779505] ? lock_sock_nested+0xc5/0x100 [ 419.783770] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.788641] ? __local_bh_enable_ip+0x160/0x260 [ 419.793331] ? lock_sock_nested+0x82/0x100 [ 419.797986] ? trace_hardirqs_on+0x28/0x190 [ 419.802320] ? lock_sock_nested+0x82/0x100 [ 419.806773] ? lock_sock_nested+0x82/0x100 [ 419.811022] ? __local_bh_enable_ip+0x160/0x260 [ 419.815732] sctp_sendmsg+0xb80/0x1710 [ 419.819862] ? sctp_id2assoc+0x250/0x250 [ 419.824062] ? ___might_sleep+0x16b/0x270 [ 419.828403] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 419.833658] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 419.838598] inet_sendmsg+0x108/0x440 [ 419.842404] ? security_socket_sendmsg+0x4a/0x90 [ 419.847271] ? ipip_gro_receive+0xf0/0xf0 [ 419.851441] sock_sendmsg+0xb5/0xf0 [ 419.855170] sock_write_iter+0x1e9/0x3d0 [ 419.859426] ? sock_sendmsg+0xf0/0xf0 [ 419.863293] __vfs_write+0x4a3/0x970 [ 419.867212] ? lock_downgrade+0x7f0/0x7f0 [ 419.871555] ? kernel_read+0x130/0x130 [ 419.875452] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 419.880497] ? apparmor_file_permission+0x15/0x20 [ 419.885858] ? rw_verify_area+0xb8/0x2b0 [ 419.890053] vfs_write+0x150/0x4e0 [ 419.893752] ksys_write+0xcd/0x1b0 [ 419.897547] ? __ia32_sys_read+0xa0/0xa0 [ 419.901817] ? do_syscall_64+0x21/0x4d0 [ 419.905801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.911335] __x64_sys_write+0x6e/0xb0 [ 419.915231] do_syscall_64+0xd0/0x4d0 [ 419.919128] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.924332] RIP: 0033:0x4592c9 [ 419.927543] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 419.946728] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.954482] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 419.962042] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 419.969440] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 419.976963] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 419.984330] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 419.991640] CPU: 1 PID: 13096 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 419.998853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.008835] Call Trace: [ 420.011442] dump_stack+0x113/0x167 [ 420.015097] should_fail.cold.4+0x5/0x13 [ 420.019178] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 420.024286] ? lock_downgrade+0x7f0/0x7f0 [ 420.028528] ? ___might_sleep+0x16b/0x270 [ 420.032848] __should_failslab+0xba/0xf0 [ 420.036918] should_failslab+0x9/0x14 [ 420.040724] kmem_cache_alloc_node+0x270/0x730 [ 420.045408] __alloc_skb+0xa7/0x570 [ 420.049166] ? skb_scrub_packet+0x3a0/0x3a0 [ 420.053591] _sctp_make_chunk+0x3f/0x260 [ 420.057684] sctp_make_datafrag_empty+0x159/0x260 [ 420.062891] ? sctp_make_ecne+0xf0/0xf0 [ 420.066877] sctp_datamsg_from_user+0x4d7/0xf30 [ 420.071564] ? mark_held_locks+0x130/0x130 [ 420.076145] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 420.080734] ? __lock_is_held+0xb5/0x140 [ 420.084837] ? find_held_lock+0x36/0x1d0 [ 420.088910] ? sctp_clear_owner_w+0xf0/0xf0 [ 420.093289] ? lock_sock_nested+0xc5/0x100 [ 420.097529] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.102142] ? __local_bh_enable_ip+0x160/0x260 [ 420.106909] ? lock_sock_nested+0x82/0x100 [ 420.111277] ? trace_hardirqs_on+0x28/0x190 [ 420.115700] ? lock_sock_nested+0x82/0x100 [ 420.120103] ? lock_sock_nested+0x82/0x100 [ 420.124543] ? __local_bh_enable_ip+0x160/0x260 [ 420.129508] sctp_sendmsg+0xb80/0x1710 [ 420.133548] ? sctp_id2assoc+0x250/0x250 [ 420.137618] ? ___might_sleep+0x16b/0x270 [ 420.141775] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.146718] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 420.151740] inet_sendmsg+0x108/0x440 [ 420.155565] ? security_socket_sendmsg+0x4a/0x90 [ 420.160582] ? ipip_gro_receive+0xf0/0xf0 [ 420.164903] sock_sendmsg+0xb5/0xf0 [ 420.169100] sock_write_iter+0x1e9/0x3d0 [ 420.173431] ? sock_sendmsg+0xf0/0xf0 [ 420.177338] __vfs_write+0x4a3/0x970 [ 420.181395] ? lock_downgrade+0x7f0/0x7f0 [ 420.185567] ? kernel_read+0x130/0x130 [ 420.189764] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.194735] ? apparmor_file_permission+0x15/0x20 [ 420.199584] ? rw_verify_area+0xb8/0x2b0 [ 420.203653] vfs_write+0x150/0x4e0 [ 420.207210] ksys_write+0xcd/0x1b0 [ 420.210758] ? __ia32_sys_read+0xa0/0xa0 [ 420.214968] ? do_syscall_64+0x21/0x4d0 [ 420.218952] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.224326] __x64_sys_write+0x6e/0xb0 [ 420.228238] do_syscall_64+0xd0/0x4d0 [ 420.232298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.237494] RIP: 0033:0x4592c9 [ 420.240691] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 420.259700] RSP: 002b:00007f376cfa2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.267509] RAX: ffffffffffffffda RBX: 00007f376cfa2c90 RCX: 00000000004592c9 [ 420.275275] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 420.283008] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 420.290529] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfa36d4 [ 420.298672] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 420.305972] CPU: 0 PID: 13102 Comm: syz-executor.4 Not tainted 5.0.0-rc3+ #1 [ 420.313202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.323532] Call Trace: [ 420.323546] dump_stack+0x113/0x167 [ 420.323558] should_fail.cold.4+0x5/0x13 [ 420.323566] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 420.323572] ? lock_downgrade+0x7f0/0x7f0 [ 420.323580] ? ___might_sleep+0x16b/0x270 [ 420.323590] __should_failslab+0xba/0xf0 [ 420.323597] should_failslab+0x9/0x14 [ 420.323602] kmem_cache_alloc_node+0x270/0x730 [ 420.323608] ? find_held_lock+0x36/0x1d0 [ 420.323620] __alloc_skb+0xa7/0x570 [ 420.323627] ? skb_scrub_packet+0x3a0/0x3a0 [ 420.323641] _sctp_make_chunk+0x3f/0x260 [ 420.323649] sctp_make_datafrag_empty+0x159/0x260 [ 420.323656] ? sctp_make_ecne+0xf0/0xf0 [ 420.323666] ? process_measurement+0x805/0x14b0 [ 420.323675] sctp_datamsg_from_user+0x4d7/0xf30 [ 420.323683] ? mark_held_locks+0x130/0x130 [ 420.323695] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 420.323702] ? find_held_lock+0x36/0x1d0 [ 420.323712] ? sctp_clear_owner_w+0xf0/0xf0 [ 420.323717] ? lock_sock_nested+0xc5/0x100 [ 420.323722] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.323728] ? __local_bh_enable_ip+0x160/0x260 [ 420.323732] ? lock_sock_nested+0x82/0x100 [ 420.323738] ? trace_hardirqs_on+0x28/0x190 [ 420.323743] ? lock_sock_nested+0x82/0x100 [ 420.339681] ? lock_sock_nested+0x82/0x100 [ 420.339689] ? __local_bh_enable_ip+0x160/0x260 [ 420.339699] sctp_sendmsg+0xb80/0x1710 [ 420.339710] ? sctp_id2assoc+0x250/0x250 [ 420.348334] ? ___might_sleep+0x16b/0x270 [ 420.348346] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.348359] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 420.348368] inet_sendmsg+0x108/0x440 [ 420.348375] ? security_socket_sendmsg+0x4a/0x90 [ 420.348380] ? ipip_gro_receive+0xf0/0xf0 [ 420.348388] sock_sendmsg+0xb5/0xf0 [ 420.348394] sock_write_iter+0x1e9/0x3d0 [ 420.348401] ? sock_sendmsg+0xf0/0xf0 [ 420.348418] __vfs_write+0x4a3/0x970 [ 420.348424] ? lock_downgrade+0x7f0/0x7f0 [ 420.348431] ? kernel_read+0x130/0x130 [ 420.348439] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.348449] ? apparmor_file_permission+0x15/0x20 [ 420.361041] ? rw_verify_area+0xb8/0x2b0 [ 420.369119] vfs_write+0x150/0x4e0 [ 420.369127] ksys_write+0xcd/0x1b0 [ 420.369134] ? __ia32_sys_read+0xa0/0xa0 [ 420.369142] ? do_syscall_64+0x21/0x4d0 [ 420.369151] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.369159] __x64_sys_write+0x6e/0xb0 [ 420.369165] do_syscall_64+0xd0/0x4d0 [ 420.369172] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.369178] RIP: 0033:0x4592c9 [ 420.369185] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 420.369188] RSP: 002b:00007fec74af6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.369195] RAX: ffffffffffffffda RBX: 00007fec74af6c90 RCX: 00000000004592c9 [ 420.369198] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 420.369202] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 420.369205] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74af76d4 [ 420.369209] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 420.513095] FAULT_INJECTION: forcing a failure. [ 420.513095] name failslab, interval 1, probability 0, space 0, times 0 [ 420.546114] FAULT_INJECTION: forcing a failure. [ 420.546114] name failslab, interval 1, probability 0, space 0, times 0 [ 420.577678] FAULT_INJECTION: forcing a failure. [ 420.577678] name failslab, interval 1, probability 0, space 0, times 0 [ 420.580846] CPU: 1 PID: 13127 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 420.664002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.673345] Call Trace: [ 420.675937] dump_stack+0x113/0x167 [ 420.679571] should_fail.cold.4+0x5/0x13 [ 420.683627] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 420.688723] ? lock_downgrade+0x7f0/0x7f0 [ 420.692865] ? ___might_sleep+0x16b/0x270 [ 420.697010] __should_failslab+0xba/0xf0 [ 420.701070] should_failslab+0x9/0x14 [ 420.704862] kmem_cache_alloc_node+0x270/0x730 [ 420.709447] ? find_held_lock+0x36/0x1d0 [ 420.713504] __alloc_skb+0xa7/0x570 [ 420.717148] ? skb_scrub_packet+0x3a0/0x3a0 [ 420.721474] _sctp_make_chunk+0x3f/0x260 [ 420.725528] sctp_make_datafrag_empty+0x159/0x260 [ 420.730364] ? sctp_make_ecne+0xf0/0xf0 [ 420.734339] ? process_measurement+0x805/0x14b0 [ 420.739004] sctp_datamsg_from_user+0x4d7/0xf30 [ 420.743677] ? mark_held_locks+0x130/0x130 [ 420.747910] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 420.752486] ? find_held_lock+0x36/0x1d0 [ 420.756539] ? sctp_clear_owner_w+0xf0/0xf0 [ 420.760860] ? lock_sock_nested+0xc5/0x100 [ 420.765084] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.769653] ? __local_bh_enable_ip+0x160/0x260 [ 420.774310] ? lock_sock_nested+0x82/0x100 [ 420.778535] ? trace_hardirqs_on+0x28/0x190 [ 420.782845] ? lock_sock_nested+0x82/0x100 [ 420.787067] ? lock_sock_nested+0x82/0x100 [ 420.791296] ? __local_bh_enable_ip+0x160/0x260 [ 420.795963] sctp_sendmsg+0xb80/0x1710 [ 420.799849] ? sctp_id2assoc+0x250/0x250 [ 420.803927] ? ___might_sleep+0x16b/0x270 [ 420.808070] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.812996] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 420.817917] inet_sendmsg+0x108/0x440 [ 420.821707] ? security_socket_sendmsg+0x4a/0x90 [ 420.826457] ? ipip_gro_receive+0xf0/0xf0 [ 420.830599] sock_sendmsg+0xb5/0xf0 [ 420.834222] sock_write_iter+0x1e9/0x3d0 [ 420.838277] ? sock_sendmsg+0xf0/0xf0 [ 420.842078] __vfs_write+0x4a3/0x970 [ 420.845868] ? lock_downgrade+0x7f0/0x7f0 [ 420.850005] ? kernel_read+0x130/0x130 [ 420.853885] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 420.858824] ? apparmor_file_permission+0x15/0x20 [ 420.865156] ? rw_verify_area+0xb8/0x2b0 [ 420.869221] vfs_write+0x150/0x4e0 [ 420.872753] ksys_write+0xcd/0x1b0 [ 420.876283] ? __ia32_sys_read+0xa0/0xa0 [ 420.880858] ? do_syscall_64+0x21/0x4d0 [ 420.884834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.890191] __x64_sys_write+0x6e/0xb0 [ 420.894073] do_syscall_64+0xd0/0x4d0 [ 420.897867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.903050] RIP: 0033:0x4592c9 [ 420.906233] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 420.925127] RSP: 002b:00007fb88111bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.932828] RAX: ffffffffffffffda RBX: 00007fb88111bc90 RCX: 00000000004592c9 [ 420.940087] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 420.947347] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 420.954628] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb88111c6d4 [ 420.961887] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 420.969167] CPU: 0 PID: 13128 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 420.976355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.976358] Call Trace: [ 420.976371] dump_stack+0x113/0x167 [ 420.976383] should_fail.cold.4+0x5/0x13 [ 420.976390] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 420.988301] ? lock_downgrade+0x7f0/0x7f0 [ 420.988315] ? ___might_sleep+0x16b/0x270 [ 420.988326] __should_failslab+0xba/0xf0 [ 420.988334] should_failslab+0x9/0x14 [ 420.988340] kmem_cache_alloc_node+0x270/0x730 [ 420.996019] ? find_held_lock+0x36/0x1d0 [ 420.996032] __alloc_skb+0xa7/0x570 [ 420.996039] ? skb_scrub_packet+0x3a0/0x3a0 [ 420.996053] _sctp_make_chunk+0x3f/0x260 [ 421.005277] sctp_make_datafrag_empty+0x159/0x260 [ 421.005285] ? sctp_make_ecne+0xf0/0xf0 [ 421.005295] ? process_measurement+0x805/0x14b0 [ 421.005304] sctp_datamsg_from_user+0x4d7/0xf30 [ 421.013488] ? mark_held_locks+0x130/0x130 [ 421.013500] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 421.013509] ? find_held_lock+0x36/0x1d0 [ 421.029530] ? sctp_clear_owner_w+0xf0/0xf0 [ 421.029538] ? lock_sock_nested+0xc5/0x100 [ 421.029545] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.029551] ? __local_bh_enable_ip+0x160/0x260 [ 421.086573] ? lock_sock_nested+0x82/0x100 [ 421.090813] ? trace_hardirqs_on+0x28/0x190 [ 421.095130] ? lock_sock_nested+0x82/0x100 [ 421.099448] ? lock_sock_nested+0x82/0x100 [ 421.103680] ? __local_bh_enable_ip+0x160/0x260 [ 421.108375] sctp_sendmsg+0xb80/0x1710 [ 421.112286] ? sctp_id2assoc+0x250/0x250 [ 421.116345] ? ___might_sleep+0x16b/0x270 [ 421.120107] FAULT_INJECTION: forcing a failure. [ 421.120107] name failslab, interval 1, probability 0, space 0, times 0 [ 421.120489] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.136598] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 421.141524] inet_sendmsg+0x108/0x440 [ 421.145327] ? security_socket_sendmsg+0x4a/0x90 [ 421.150088] ? ipip_gro_receive+0xf0/0xf0 [ 421.154233] sock_sendmsg+0xb5/0xf0 [ 421.157855] sock_write_iter+0x1e9/0x3d0 [ 421.161909] ? sock_sendmsg+0xf0/0xf0 [ 421.165710] __vfs_write+0x4a3/0x970 [ 421.169414] ? lock_downgrade+0x7f0/0x7f0 [ 421.173554] ? kernel_read+0x130/0x130 [ 421.177437] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.182361] ? apparmor_file_permission+0x15/0x20 [ 421.187197] ? rw_verify_area+0xb8/0x2b0 [ 421.191341] vfs_write+0x150/0x4e0 [ 421.194880] ksys_write+0xcd/0x1b0 [ 421.197258] FAULT_INJECTION: forcing a failure. [ 421.197258] name failslab, interval 1, probability 0, space 0, times 0 [ 421.198409] ? __ia32_sys_read+0xa0/0xa0 [ 421.213638] ? do_syscall_64+0x21/0x4d0 [ 421.217614] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.222977] __x64_sys_write+0x6e/0xb0 [ 421.226856] do_syscall_64+0xd0/0x4d0 [ 421.230649] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.235866] RIP: 0033:0x4592c9 [ 421.239062] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 421.257953] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.265648] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 421.272909] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 421.280173] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 421.287430] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 421.294689] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 421.301964] CPU: 1 PID: 13125 Comm: syz-executor.0 Not tainted 5.0.0-rc3+ #1 [ 421.309163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.318616] Call Trace: [ 421.321209] dump_stack+0x113/0x167 [ 421.324848] should_fail.cold.4+0x5/0x13 [ 421.328909] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 421.334020] ? lock_downgrade+0x7f0/0x7f0 [ 421.338350] ? ___might_sleep+0x16b/0x270 [ 421.342508] __should_failslab+0xba/0xf0 [ 421.346569] should_failslab+0x9/0x14 [ 421.350368] kmem_cache_alloc_node+0x270/0x730 [ 421.354949] ? find_held_lock+0x36/0x1d0 [ 421.359018] __alloc_skb+0xa7/0x570 [ 421.362663] ? skb_scrub_packet+0x3a0/0x3a0 [ 421.366993] _sctp_make_chunk+0x3f/0x260 [ 421.371056] sctp_make_datafrag_empty+0x159/0x260 [ 421.375897] ? sctp_make_ecne+0xf0/0xf0 [ 421.380654] ? process_measurement+0x805/0x14b0 [ 421.385408] sctp_datamsg_from_user+0x4d7/0xf30 [ 421.390078] ? mark_held_locks+0x130/0x130 [ 421.394319] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 421.398896] ? find_held_lock+0x36/0x1d0 [ 421.400696] FAULT_INJECTION: forcing a failure. [ 421.400696] name failslab, interval 1, probability 0, space 0, times 0 [ 421.402980] ? sctp_clear_owner_w+0xf0/0xf0 [ 421.402988] ? lock_sock_nested+0xc5/0x100 [ 421.402994] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.403000] ? __local_bh_enable_ip+0x160/0x260 [ 421.403005] ? lock_sock_nested+0x82/0x100 [ 421.403011] ? trace_hardirqs_on+0x28/0x190 [ 421.403015] ? lock_sock_nested+0x82/0x100 [ 421.403019] ? lock_sock_nested+0x82/0x100 [ 421.403027] ? __local_bh_enable_ip+0x160/0x260 [ 421.425038] FAULT_INJECTION: forcing a failure. [ 421.425038] name failslab, interval 1, probability 0, space 0, times 0 [ 421.427307] sctp_sendmsg+0xb80/0x1710 [ 421.427319] ? sctp_id2assoc+0x250/0x250 [ 421.427327] ? ___might_sleep+0x16b/0x270 [ 421.427339] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.427353] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 421.427362] inet_sendmsg+0x108/0x440 [ 421.427369] ? security_socket_sendmsg+0x4a/0x90 [ 421.427374] ? ipip_gro_receive+0xf0/0xf0 [ 421.499381] sock_sendmsg+0xb5/0xf0 [ 421.503001] sock_write_iter+0x1e9/0x3d0 [ 421.507059] ? sock_sendmsg+0xf0/0xf0 [ 421.510889] __vfs_write+0x4a3/0x970 [ 421.514616] ? lock_downgrade+0x7f0/0x7f0 [ 421.518758] ? kernel_read+0x130/0x130 [ 421.522639] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.527562] ? apparmor_file_permission+0x15/0x20 [ 421.532404] ? rw_verify_area+0xb8/0x2b0 [ 421.536457] vfs_write+0x150/0x4e0 [ 421.539993] ksys_write+0xcd/0x1b0 [ 421.543527] ? __ia32_sys_read+0xa0/0xa0 [ 421.547578] ? do_syscall_64+0x21/0x4d0 [ 421.551542] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.556898] __x64_sys_write+0x6e/0xb0 [ 421.560782] do_syscall_64+0xd0/0x4d0 [ 421.564586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.569766] RIP: 0033:0x4592c9 [ 421.572953] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 421.591844] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.599635] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 421.606898] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 421.614154] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 421.621411] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 421.628689] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 421.635967] CPU: 0 PID: 13140 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 421.643158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.643162] Call Trace: [ 421.655090] dump_stack+0x113/0x167 [ 421.658723] should_fail.cold.4+0x5/0x13 [ 421.662777] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 421.667878] ? lock_downgrade+0x7f0/0x7f0 [ 421.672037] ? ___might_sleep+0x16b/0x270 [ 421.676184] __should_failslab+0xba/0xf0 [ 421.680326] should_failslab+0x9/0x14 [ 421.684115] kmem_cache_alloc_node+0x270/0x730 [ 421.688685] ? find_held_lock+0x36/0x1d0 [ 421.688697] __alloc_skb+0xa7/0x570 [ 421.688704] ? skb_scrub_packet+0x3a0/0x3a0 [ 421.688718] _sctp_make_chunk+0x3f/0x260 [ 421.688727] sctp_make_datafrag_empty+0x159/0x260 [ 421.688733] ? sctp_make_ecne+0xf0/0xf0 [ 421.688743] ? process_measurement+0x805/0x14b0 [ 421.688751] sctp_datamsg_from_user+0x4d7/0xf30 [ 421.688761] ? mark_held_locks+0x130/0x130 [ 421.727116] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 421.733203] ? find_held_lock+0x36/0x1d0 [ 421.737261] ? sctp_clear_owner_w+0xf0/0xf0 [ 421.741568] ? lock_sock_nested+0xc5/0x100 [ 421.745789] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.750360] ? __local_bh_enable_ip+0x160/0x260 [ 421.755023] ? lock_sock_nested+0x82/0x100 [ 421.759260] ? trace_hardirqs_on+0x28/0x190 [ 421.763575] ? lock_sock_nested+0x82/0x100 [ 421.767797] ? lock_sock_nested+0x82/0x100 [ 421.772031] ? __local_bh_enable_ip+0x160/0x260 [ 421.776693] sctp_sendmsg+0xb80/0x1710 [ 421.780575] ? sctp_id2assoc+0x250/0x250 [ 421.784625] ? ___might_sleep+0x16b/0x270 [ 421.788767] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.793693] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 421.798614] inet_sendmsg+0x108/0x440 [ 421.802407] ? security_socket_sendmsg+0x4a/0x90 [ 421.807168] ? ipip_gro_receive+0xf0/0xf0 [ 421.811314] sock_sendmsg+0xb5/0xf0 [ 421.814930] sock_write_iter+0x1e9/0x3d0 [ 421.818984] ? sock_sendmsg+0xf0/0xf0 [ 421.822872] __vfs_write+0x4a3/0x970 [ 421.826572] ? lock_downgrade+0x7f0/0x7f0 [ 421.830707] ? kernel_read+0x130/0x130 [ 421.834587] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 421.839538] ? apparmor_file_permission+0x15/0x20 [ 421.844372] ? rw_verify_area+0xb8/0x2b0 [ 421.848426] vfs_write+0x150/0x4e0 [ 421.851962] ksys_write+0xcd/0x1b0 [ 421.855488] ? __ia32_sys_read+0xa0/0xa0 [ 421.859543] ? do_syscall_64+0x21/0x4d0 [ 421.863514] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.868877] __x64_sys_write+0x6e/0xb0 [ 421.872762] do_syscall_64+0xd0/0x4d0 [ 421.876555] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.881735] RIP: 0033:0x4592c9 [ 421.884927] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 421.903817] RSP: 002b:00007f376cfe4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.911524] RAX: ffffffffffffffda RBX: 00007f376cfe4c90 RCX: 00000000004592c9 [ 421.918781] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 421.926040] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 421.933317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfe56d4 [ 421.940575] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 421.947850] CPU: 1 PID: 13126 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 2019/06/15 21:34:57 executed programs: 1537 [ 421.955044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.964479] Call Trace: [ 421.967074] dump_stack+0x113/0x167 [ 421.971926] should_fail.cold.4+0x5/0x13 [ 421.980851] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 421.985946] ? lock_downgrade+0x7f0/0x7f0 [ 421.985955] ? ___might_sleep+0x16b/0x270 [ 421.985966] __should_failslab+0xba/0xf0 [ 421.985974] should_failslab+0x9/0x14 [ 421.985979] kmem_cache_alloc_trace+0x2d8/0x740 [ 421.985993] sctp_sched_prio_set+0x296/0x6b0 [ 421.986002] sctp_sched_prio_init_sid+0xb0/0xf0 [ 422.002116] ? kmem_cache_alloc_trace+0x353/0x740 [ 422.002126] sctp_sched_init_sid+0xf1/0x170 [ 422.002137] sctp_stream_init_ext+0xa5/0xe0 [ 422.002145] sctp_sendmsg_to_asoc+0xec4/0x1500 [ 422.002154] ? find_held_lock+0x36/0x1d0 [ 422.002162] ? mark_held_locks+0xc7/0x130 [ 422.042076] ? sctp_clear_owner_w+0xf0/0xf0 [ 422.046397] ? lock_sock_nested+0xc5/0x100 [ 422.050632] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.055210] ? __local_bh_enable_ip+0x160/0x260 [ 422.059873] ? lock_sock_nested+0x82/0x100 [ 422.064104] ? trace_hardirqs_on+0x28/0x190 [ 422.066509] FAULT_INJECTION: forcing a failure. [ 422.066509] name failslab, interval 1, probability 0, space 0, times 0 [ 422.068419] ? lock_sock_nested+0x82/0x100 [ 422.068425] ? lock_sock_nested+0x82/0x100 [ 422.068432] ? __local_bh_enable_ip+0x160/0x260 [ 422.068444] sctp_sendmsg+0xb80/0x1710 [ 422.068456] ? sctp_id2assoc+0x250/0x250 [ 422.068463] ? ___might_sleep+0x16b/0x270 [ 422.068475] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.068488] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 422.068497] inet_sendmsg+0x108/0x440 [ 422.088488] FAULT_INJECTION: forcing a failure. [ 422.088488] name failslab, interval 1, probability 0, space 0, times 0 [ 422.092765] ? security_socket_sendmsg+0x4a/0x90 [ 422.092773] ? ipip_gro_receive+0xf0/0xf0 [ 422.092781] sock_sendmsg+0xb5/0xf0 [ 422.092788] sock_write_iter+0x1e9/0x3d0 [ 422.092796] ? sock_sendmsg+0xf0/0xf0 [ 422.092820] __vfs_write+0x4a3/0x970 [ 422.153716] ? lock_downgrade+0x7f0/0x7f0 [ 422.157858] ? kernel_read+0x130/0x130 [ 422.161737] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.166688] ? apparmor_file_permission+0x15/0x20 [ 422.171522] ? rw_verify_area+0xb8/0x2b0 [ 422.175594] vfs_write+0x150/0x4e0 [ 422.179126] ksys_write+0xcd/0x1b0 [ 422.182657] ? __ia32_sys_read+0xa0/0xa0 [ 422.186708] ? do_syscall_64+0x21/0x4d0 [ 422.190671] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.196293] __x64_sys_write+0x6e/0xb0 [ 422.200177] do_syscall_64+0xd0/0x4d0 [ 422.203973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.209159] RIP: 0033:0x4592c9 [ 422.212342] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 422.231233] RSP: 002b:00007faae4230c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.238936] RAX: ffffffffffffffda RBX: 00007faae4230c90 RCX: 00000000004592c9 [ 422.246198] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 422.253501] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 422.260845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae42316d4 [ 422.268107] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 422.275395] CPU: 0 PID: 13151 Comm: syz-executor.5 Not tainted 5.0.0-rc3+ #1 [ 422.282587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.292035] Call Trace: [ 422.294619] dump_stack+0x113/0x167 [ 422.298245] should_fail.cold.4+0x5/0x13 [ 422.302303] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 422.307404] ? lock_downgrade+0x7f0/0x7f0 [ 422.311544] ? ___might_sleep+0x16b/0x270 [ 422.315697] __should_failslab+0xba/0xf0 [ 422.319748] should_failslab+0x9/0x14 [ 422.323534] kmem_cache_alloc_node+0x270/0x730 [ 422.328112] ? find_held_lock+0x36/0x1d0 [ 422.332171] __alloc_skb+0xa7/0x570 [ 422.335790] ? skb_scrub_packet+0x3a0/0x3a0 [ 422.340109] _sctp_make_chunk+0x3f/0x260 [ 422.344161] sctp_make_datafrag_empty+0x159/0x260 [ 422.348994] ? sctp_make_ecne+0xf0/0xf0 [ 422.352964] ? process_measurement+0x805/0x14b0 [ 422.357620] sctp_datamsg_from_user+0x4d7/0xf30 [ 422.362273] ? mark_held_locks+0x130/0x130 [ 422.366507] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 422.371099] ? find_held_lock+0x36/0x1d0 [ 422.375155] ? sctp_clear_owner_w+0xf0/0xf0 [ 422.379467] ? lock_sock_nested+0xc5/0x100 [ 422.383694] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.388264] ? __local_bh_enable_ip+0x160/0x260 [ 422.392917] ? lock_sock_nested+0x82/0x100 [ 422.397142] ? trace_hardirqs_on+0x28/0x190 [ 422.401449] ? lock_sock_nested+0x82/0x100 [ 422.405672] ? lock_sock_nested+0x82/0x100 [ 422.409897] ? __local_bh_enable_ip+0x160/0x260 [ 422.414556] sctp_sendmsg+0xb80/0x1710 [ 422.418444] ? sctp_id2assoc+0x250/0x250 [ 422.422494] ? ___might_sleep+0x16b/0x270 [ 422.426635] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.431557] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 422.436477] inet_sendmsg+0x108/0x440 [ 422.440273] ? security_socket_sendmsg+0x4a/0x90 [ 422.445018] ? ipip_gro_receive+0xf0/0xf0 [ 422.449156] sock_sendmsg+0xb5/0xf0 [ 422.452782] sock_write_iter+0x1e9/0x3d0 [ 422.456835] ? sock_sendmsg+0xf0/0xf0 [ 422.460636] __vfs_write+0x4a3/0x970 [ 422.464336] ? lock_downgrade+0x7f0/0x7f0 [ 422.468475] ? kernel_read+0x130/0x130 [ 422.472356] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.477284] ? apparmor_file_permission+0x15/0x20 [ 422.482121] ? rw_verify_area+0xb8/0x2b0 [ 422.486172] vfs_write+0x150/0x4e0 [ 422.489705] ksys_write+0xcd/0x1b0 [ 422.493232] ? __ia32_sys_read+0xa0/0xa0 [ 422.497285] ? do_syscall_64+0x21/0x4d0 [ 422.501263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.506619] __x64_sys_write+0x6e/0xb0 [ 422.510497] do_syscall_64+0xd0/0x4d0 [ 422.514292] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.519471] RIP: 0033:0x4592c9 [ 422.522653] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 422.541543] RSP: 002b:00007fb8810fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.549235] RAX: ffffffffffffffda RBX: 00007fb8810fac90 RCX: 00000000004592c9 [ 422.556498] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 422.563756] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 422.571014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8810fb6d4 [ 422.578271] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 422.585546] CPU: 1 PID: 13144 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 422.592744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.602092] Call Trace: [ 422.604675] dump_stack+0x113/0x167 [ 422.608300] should_fail.cold.4+0x5/0x13 [ 422.612366] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 422.617464] ? lock_downgrade+0x7f0/0x7f0 [ 422.621621] ? ___might_sleep+0x16b/0x270 [ 422.625769] __should_failslab+0xba/0xf0 [ 422.629869] should_failslab+0x9/0x14 [ 422.633658] kmem_cache_alloc_node+0x270/0x730 [ 422.638231] ? find_held_lock+0x36/0x1d0 [ 422.642293] __alloc_skb+0xa7/0x570 [ 422.645934] ? skb_scrub_packet+0x3a0/0x3a0 [ 422.650255] _sctp_make_chunk+0x3f/0x260 [ 422.654312] sctp_make_datafrag_empty+0x159/0x260 [ 422.659146] ? sctp_make_ecne+0xf0/0xf0 [ 422.663120] ? process_measurement+0x805/0x14b0 [ 422.667784] sctp_datamsg_from_user+0x4d7/0xf30 [ 422.672450] ? mark_held_locks+0x130/0x130 [ 422.676679] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 422.681252] ? find_held_lock+0x36/0x1d0 [ 422.685305] ? sctp_clear_owner_w+0xf0/0xf0 [ 422.689790] ? lock_sock_nested+0xc5/0x100 [ 422.694021] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.698601] ? __local_bh_enable_ip+0x160/0x260 [ 422.703260] ? lock_sock_nested+0x82/0x100 [ 422.707486] ? trace_hardirqs_on+0x28/0x190 [ 422.711795] ? lock_sock_nested+0x82/0x100 [ 422.716025] ? lock_sock_nested+0x82/0x100 [ 422.720250] ? __local_bh_enable_ip+0x160/0x260 [ 422.724916] sctp_sendmsg+0xb80/0x1710 [ 422.728802] ? sctp_id2assoc+0x250/0x250 [ 422.732859] ? ___might_sleep+0x16b/0x270 [ 422.737010] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.741938] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 422.746858] inet_sendmsg+0x108/0x440 [ 422.750648] ? security_socket_sendmsg+0x4a/0x90 [ 422.755390] ? ipip_gro_receive+0xf0/0xf0 [ 422.759531] sock_sendmsg+0xb5/0xf0 [ 422.763158] sock_write_iter+0x1e9/0x3d0 [ 422.767210] ? sock_sendmsg+0xf0/0xf0 [ 422.771011] __vfs_write+0x4a3/0x970 [ 422.774719] ? lock_downgrade+0x7f0/0x7f0 [ 422.778857] ? kernel_read+0x130/0x130 [ 422.782738] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 422.787666] ? apparmor_file_permission+0x15/0x20 [ 422.792501] ? rw_verify_area+0xb8/0x2b0 [ 422.796560] vfs_write+0x150/0x4e0 [ 422.800092] ksys_write+0xcd/0x1b0 [ 422.803627] ? __ia32_sys_read+0xa0/0xa0 [ 422.807769] ? do_syscall_64+0x21/0x4d0 [ 422.811739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.817100] __x64_sys_write+0x6e/0xb0 [ 422.820977] do_syscall_64+0xd0/0x4d0 [ 422.824783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.829967] RIP: 0033:0x4592c9 [ 422.833150] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 422.852136] RSP: 002b:00007f9b5963fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.861308] RAX: ffffffffffffffda RBX: 00007f9b5963fc90 RCX: 00000000004592c9 [ 422.868576] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 422.875833] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 422.883117] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596406d4 [ 422.890374] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 422.897652] CPU: 0 PID: 13152 Comm: syz-executor.3 Not tainted 5.0.0-rc3+ #1 [ 422.904848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.914196] Call Trace: [ 422.916806] dump_stack+0x113/0x167 [ 422.920428] should_fail.cold.4+0x5/0x13 [ 422.924478] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 422.929567] ? lock_downgrade+0x7f0/0x7f0 [ 422.933704] ? ___might_sleep+0x16b/0x270 [ 422.937844] __should_failslab+0xba/0xf0 [ 422.941898] should_failslab+0x9/0x14 [ 422.945686] kmem_cache_alloc_node+0x270/0x730 [ 422.950258] ? find_held_lock+0x36/0x1d0 [ 422.954320] __alloc_skb+0xa7/0x570 [ 422.957937] ? skb_scrub_packet+0x3a0/0x3a0 [ 422.962257] _sctp_make_chunk+0x3f/0x260 [ 422.966321] sctp_make_datafrag_empty+0x159/0x260 [ 422.971156] ? sctp_make_ecne+0xf0/0xf0 [ 422.975128] ? process_measurement+0x805/0x14b0 [ 422.979787] sctp_datamsg_from_user+0x4d7/0xf30 [ 422.984454] ? mark_held_locks+0x130/0x130 [ 422.988687] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 422.993274] ? find_held_lock+0x36/0x1d0 [ 422.997348] ? sctp_clear_owner_w+0xf0/0xf0 [ 423.001672] ? lock_sock_nested+0xc5/0x100 [ 423.005894] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.010467] ? __local_bh_enable_ip+0x160/0x260 [ 423.015125] ? lock_sock_nested+0x82/0x100 [ 423.019347] ? trace_hardirqs_on+0x28/0x190 [ 423.023661] ? lock_sock_nested+0x82/0x100 [ 423.027883] ? lock_sock_nested+0x82/0x100 [ 423.032126] ? __local_bh_enable_ip+0x160/0x260 [ 423.036793] sctp_sendmsg+0xb80/0x1710 [ 423.040677] ? sctp_id2assoc+0x250/0x250 [ 423.044755] ? ___might_sleep+0x16b/0x270 [ 423.048906] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.053836] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 423.058757] inet_sendmsg+0x108/0x440 [ 423.062546] ? security_socket_sendmsg+0x4a/0x90 [ 423.067287] ? ipip_gro_receive+0xf0/0xf0 [ 423.071431] sock_sendmsg+0xb5/0xf0 [ 423.075058] sock_write_iter+0x1e9/0x3d0 [ 423.079113] ? sock_sendmsg+0xf0/0xf0 [ 423.082913] __vfs_write+0x4a3/0x970 [ 423.086643] ? lock_downgrade+0x7f0/0x7f0 [ 423.090784] ? kernel_read+0x130/0x130 [ 423.094840] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.099766] ? apparmor_file_permission+0x15/0x20 [ 423.104623] ? rw_verify_area+0xb8/0x2b0 [ 423.108697] vfs_write+0x150/0x4e0 [ 423.112235] ksys_write+0xcd/0x1b0 [ 423.115763] ? __ia32_sys_read+0xa0/0xa0 [ 423.119817] ? do_syscall_64+0x21/0x4d0 [ 423.123783] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.129147] __x64_sys_write+0x6e/0xb0 [ 423.133035] do_syscall_64+0xd0/0x4d0 [ 423.136828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.142012] RIP: 0033:0x4592c9 [ 423.145196] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 423.157539] kasan: CONFIG_KASAN_INLINE enabled [ 423.164089] RSP: 002b:00007f376cfc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.164096] RAX: ffffffffffffffda RBX: 00007f376cfc3c90 RCX: 00000000004592c9 [ 423.164100] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 423.164104] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 423.176583] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 423.176655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f376cfc46d4 [ 423.192873] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 423.198416] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 423.205779] CPU: 1 PID: 13138 Comm: syz-executor.1 Not tainted 5.0.0-rc3+ #1 [ 423.233674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.243028] RIP: 0010:sctp_sched_prio_sched+0x86/0x6a0 [ 423.248293] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ba 04 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 50 49 8d 4d 20 48 89 ca 48 c1 ea 03 <80> 3c 02 00 0f 85 a1 04 00 00 4d 8b 7d 20 4d 85 ff 0f 84 eb 00 00 [ 423.267188] RSP: 0018:ffff88808b52f498 EFLAGS: 00010202 [ 423.268492] FAULT_INJECTION: forcing a failure. [ 423.268492] name failslab, interval 1, probability 0, space 0, times 0 [ 423.272542] RAX: dffffc0000000000 RBX: ffff88808df34d00 RCX: 0000000000000020 [ 423.272545] RDX: 0000000000000004 RSI: ffff88808df34d00 RDI: ffff88808df34d50 [ 423.272548] RBP: ffff88808b52f4d0 R08: ffff888093424d58 R09: ffff88808ab58018 [ 423.272551] R10: ffff88808df34d38 R11: ffff88808df34d30 R12: ffff88808df34d40 [ 423.272553] R13: 0000000000000000 R14: ffff8880914d4b20 R15: ffff8880914d4b60 [ 423.272557] FS: 00007faae41ce700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 423.272560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 423.272565] CR2: 00007f608708a000 CR3: 000000009686a000 CR4: 00000000001406e0 [ 423.289621] FAULT_INJECTION: forcing a failure. [ 423.289621] name failslab, interval 1, probability 0, space 0, times 0 [ 423.290997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 423.291001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 423.291003] Call Trace: [ 423.291014] ? sctp_outq_tail+0x33e/0x970 [ 423.291022] sctp_sched_prio_enqueue+0xfe/0x170 [ 423.298350] CPU: 0 PID: 13157 Comm: syz-executor.2 Not tainted 5.0.0-rc3+ #1 [ 423.305544] sctp_do_sm+0x2bf5/0x4c90 [ 423.312795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.320051] ? __lock_is_held+0xb5/0x140 [ 423.328248] Call Trace: [ 423.334115] ? sctp_do_8_2_transport_strike.isra.19+0x810/0x810 [ 423.341365] dump_stack+0x113/0x167 [ 423.352517] ? __might_fault+0xf1/0x1b0 [ 423.359769] should_fail.cold.4+0x5/0x13 [ 423.367016] ? lock_downgrade+0x7f0/0x7f0 [ 423.369585] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 423.373706] ? kasan_check_write+0x14/0x20 [ 423.378345] ? lock_downgrade+0x7f0/0x7f0 [ 423.385523] ? kasan_check_read+0x11/0x20 [ 423.389300] ? set_page_refcounted+0x100/0x100 [ 423.398631] ? refcount_inc_not_zero_checked+0xc4/0x160 [ 423.402669] ? ___might_sleep+0x16b/0x270 [ 423.405230] ? refcount_add_checked+0x30/0x30 [ 423.411262] __should_failslab+0xba/0xf0 [ 423.414864] ? __check_object_size+0x1ea/0x31c [ 423.418811] should_failslab+0x9/0x14 [ 423.422851] ? kasan_check_read+0x11/0x20 [ 423.426975] kmem_cache_alloc_node+0x270/0x730 [ 423.432060] ? refcount_add_not_zero_checked+0xf1/0x180 [ 423.436290] ? mark_held_locks+0x130/0x130 [ 423.440411] ? kasan_check_read+0x11/0x20 [ 423.444537] ? alloc_inode+0x56/0x150 [ 423.449096] ? refcount_dec_if_one+0xb0/0xb0 [ 423.454433] ? new_inode_pseudo+0xc/0xd0 [ 423.458563] sctp_primitive_SEND+0x7c/0xc0 [ 423.463033] ? new_inode+0x14/0x30 [ 423.467072] sctp_sendmsg_to_asoc+0x89f/0x1500 [ 423.471636] ? proc_pid_make_inode+0x18/0x1f0 [ 423.475409] ? __lock_is_held+0xb5/0x140 [ 423.475414] ? find_held_lock+0x36/0x1d0 [ 423.479557] __alloc_skb+0xa7/0x570 [ 423.484112] ? sctp_clear_owner_w+0xf0/0xf0 [ 423.489454] ? skb_scrub_packet+0x3a0/0x3a0 [ 423.493666] ? lock_sock_nested+0xc5/0x100 [ 423.497792] ? ima_parse_rule+0x1e60/0x1e60 [ 423.497800] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 423.501588] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.505977] _sctp_make_chunk+0x3f/0x260 [ 423.510020] ? __local_bh_enable_ip+0x160/0x260 [ 423.514228] sctp_make_datafrag_empty+0x159/0x260 [ 423.517747] ? lock_sock_nested+0x82/0x100 [ 423.522393] ? sctp_make_ecne+0xf0/0xf0 [ 423.526866] ? trace_hardirqs_on+0x28/0x190 [ 423.530908] ? process_measurement+0x805/0x14b0 [ 423.534943] ? lock_sock_nested+0x82/0x100 [ 423.538552] sctp_datamsg_from_user+0x4d7/0xf30 [ 423.542846] ? lock_sock_nested+0x82/0x100 [ 423.547147] ? mark_held_locks+0x130/0x130 [ 423.551352] ? __local_bh_enable_ip+0x160/0x260 [ 423.555653] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 423.560748] sctp_sendmsg+0xb80/0x1710 [ 423.565320] ? sctp_clear_owner_w+0xf0/0xf0 [ 423.569350] ? sctp_id2assoc+0x250/0x250 [ 423.573990] ? __local_bh_enable_ip+0x120/0x260 [ 423.578816] ? ___might_sleep+0x16b/0x270 [ 423.583022] ? __local_bh_enable_ip+0x160/0x260 [ 423.586992] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.591287] ? lock_sock_nested+0x82/0x100 [ 423.595934] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 423.600138] ? trace_hardirqs_on+0x28/0x190 [ 423.604786] inet_sendmsg+0x108/0x440 [ 423.608995] ? lock_sock_nested+0x82/0x100 [ 423.613206] ? security_socket_sendmsg+0x4a/0x90 [ 423.617851] ? lock_sock_nested+0x82/0x100 [ 423.622509] ? ipip_gro_receive+0xf0/0xf0 [ 423.626374] ? __local_bh_enable_ip+0x160/0x260 [ 423.630674] sock_sendmsg+0xb5/0xf0 [ 423.634712] sctp_sendmsg+0xb80/0x1710 [ 423.639353] sock_write_iter+0x1e9/0x3d0 [ 423.643479] ? mark_held_locks+0x130/0x130 [ 423.648125] ? sock_sendmsg+0xf0/0xf0 [ 423.653055] ? sctp_id2assoc+0x250/0x250 [ 423.657268] __vfs_write+0x4a3/0x970 [ 423.662174] ? ___might_sleep+0x16b/0x270 [ 423.666469] ? lock_downgrade+0x7f0/0x7f0 [ 423.670251] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 423.674457] ? kernel_read+0x130/0x130 [ 423.679188] inet_sendmsg+0x108/0x440 [ 423.683398] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.687521] ? security_socket_sendmsg+0x4a/0x90 [ 423.692173] ? apparmor_file_permission+0x15/0x20 [ 423.695777] ? ipip_gro_receive+0xf0/0xf0 [ 423.699642] ? rw_verify_area+0xb8/0x2b0 [ 423.703683] sock_sendmsg+0xb5/0xf0 [ 423.707896] vfs_write+0x150/0x4e0 [ 423.711675] sock_write_iter+0x1e9/0x3d0 [ 423.715711] ksys_write+0xcd/0x1b0 [ 423.719409] ? sock_sendmsg+0xf0/0xf0 [ 423.723533] ? __ia32_sys_read+0xa0/0xa0 [ 423.727666] __vfs_write+0x4a3/0x970 [ 423.733330] ? do_syscall_64+0x21/0x4d0 [ 423.737200] ? lock_downgrade+0x7f0/0x7f0 [ 423.740990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.745898] ? kernel_read+0x130/0x130 [ 423.757400] __x64_sys_write+0x6e/0xb0 [ 423.762222] ? apparmor_file_permission+0x15/0x20 [ 423.766350] do_syscall_64+0xd0/0x4d0 [ 423.770398] ? rw_verify_area+0xb8/0x2b0 [ 423.774018] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.777533] vfs_write+0x150/0x4e0 [ 423.781571] RIP: 0033:0x4592c9 [ 423.785096] ksys_write+0xcd/0x1b0 [ 423.788879] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 423.792936] ? __ia32_sys_read+0xa0/0xa0 [ 423.796638] RSP: 002b:00007faae41cdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.800593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.804725] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 [ 423.804728] RDX: 0000000000010094 RSI: 0000000020000040 RDI: 0000000000000003 [ 423.810070] __x64_sys_write+0x6e/0xb0 [ 423.813925] RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 [ 423.813928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faae41ce6d4 [ 423.817794] do_syscall_64+0xd0/0x4d0 [ 423.822613] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 00000000ffffffff [ 423.826396] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.830434] Modules linked in: [ 423.835608] RIP: 0033:0x4592c9 [ 423.847029] kobject: 'loop0' (000000008c4a88bc): kobject_uevent_env [ 423.864726] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 423.864729] RSP: 002b:00007f9b59660c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.864734] RAX: ffffffffffffffda RBX: 00007f9b59660c90 RCX: 00000000004592c9 [ 423.864736] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 423.864738] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 423.864741] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b596616d4 [ 423.864743] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 423.867891] CPU: 0 PID: 13123 Comm: syz-executor.4 Tainted: G D 5.0.0-rc3+ #1 [ 423.870888] kobject: 'loop0' (000000008c4a88bc): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 423.876591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.876593] Call Trace: [ 423.876604] dump_stack+0x113/0x167 [ 423.876615] should_fail.cold.4+0x5/0x13 [ 423.883355] kobject: 'loop2' (00000000f3840132): kobject_uevent_env [ 423.888702] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 423.888709] ? lock_downgrade+0x7f0/0x7f0 [ 423.888715] ? ___might_sleep+0x16b/0x270 [ 423.888723] __should_failslab+0xba/0xf0 [ 423.888730] should_failslab+0x9/0x14 [ 423.888733] kmem_cache_alloc_node+0x270/0x730 [ 423.888738] ? find_held_lock+0x36/0x1d0 [ 423.888748] __alloc_skb+0xa7/0x570 [ 423.888753] ? skb_scrub_packet+0x3a0/0x3a0 [ 423.888764] _sctp_make_chunk+0x3f/0x260 [ 423.897893] kobject: 'loop2' (00000000f3840132): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 423.899891] sctp_make_datafrag_empty+0x159/0x260 [ 423.899896] ? sctp_make_ecne+0xf0/0xf0 [ 423.899905] ? process_measurement+0x805/0x14b0 [ 423.926488] ---[ end trace e5eb669c404e8400 ]--- [ 423.930667] sctp_datamsg_from_user+0x4d7/0xf30 [ 423.930676] ? mark_held_locks+0x130/0x130 [ 423.930685] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 423.930690] ? find_held_lock+0x36/0x1d0 [ 423.930696] ? sctp_clear_owner_w+0xf0/0xf0 [ 423.930702] ? lock_sock_nested+0xc5/0x100 [ 423.930706] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.930712] ? __local_bh_enable_ip+0x160/0x260 [ 423.930715] ? lock_sock_nested+0x82/0x100 [ 423.930720] ? trace_hardirqs_on+0x28/0x190 [ 423.930723] ? lock_sock_nested+0x82/0x100 [ 423.930727] ? lock_sock_nested+0x82/0x100 [ 423.930731] ? __local_bh_enable_ip+0x160/0x260 [ 423.930738] sctp_sendmsg+0xb80/0x1710 [ 423.930745] ? sctp_id2assoc+0x250/0x250 [ 423.930751] ? ___might_sleep+0x16b/0x270 [ 423.930758] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.934609] RIP: 0010:sctp_sched_prio_sched+0x86/0x6a0 [ 423.937117] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 423.937125] inet_sendmsg+0x108/0x440 [ 423.937131] ? security_socket_sendmsg+0x4a/0x90 [ 423.937135] ? ipip_gro_receive+0xf0/0xf0 [ 423.937141] sock_sendmsg+0xb5/0xf0 [ 423.937146] sock_write_iter+0x1e9/0x3d0 [ 423.937152] ? sock_sendmsg+0xf0/0xf0 [ 423.937165] __vfs_write+0x4a3/0x970 [ 423.944759] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ba 04 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 50 49 8d 4d 20 48 89 ca 48 c1 ea 03 <80> 3c 02 00 0f 85 a1 04 00 00 4d 8b 7d 20 4d 85 ff 0f 84 eb 00 00 [ 423.962535] ? lock_downgrade+0x7f0/0x7f0 [ 423.962542] ? kernel_read+0x130/0x130 [ 423.962547] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 423.962555] ? apparmor_file_permission+0x15/0x20 [ 423.962561] ? rw_verify_area+0xb8/0x2b0 [ 423.962565] vfs_write+0x150/0x4e0 [ 423.962571] ksys_write+0xcd/0x1b0 [ 423.962576] ? __ia32_sys_read+0xa0/0xa0 [ 423.962583] ? do_syscall_64+0x21/0x4d0 [ 423.962590] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.962595] __x64_sys_write+0x6e/0xb0 [ 423.962600] do_syscall_64+0xd0/0x4d0 [ 423.962606] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.962610] RIP: 0033:0x4592c9 [ 423.962615] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 423.962618] RSP: 002b:00007fec74b17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.962623] RAX: ffffffffffffffda RBX: 00007fec74b17c90 RCX: 00000000004592c9 [ 423.962626] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 423.962628] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 423.962631] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec74b186d4 [ 423.962633] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 423.967456] CPU: 0 PID: 13155 Comm: syz-executor.0 Tainted: G D 5.0.0-rc3+ #1 [ 423.977211] kobject: 'loop5' (000000009113c797): kobject_uevent_env [ 423.977647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.989274] kobject: 'loop5' (000000009113c797): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 423.992178] Call Trace: [ 423.992191] dump_stack+0x113/0x167 [ 423.992200] should_fail.cold.4+0x5/0x13 [ 423.992206] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 423.992212] ? lock_downgrade+0x7f0/0x7f0 [ 423.992220] ? set_page_refcounted+0x100/0x100 [ 424.002688] RSP: 0018:ffff88808b52f498 EFLAGS: 00010202 [ 424.006752] ? ___might_sleep+0x16b/0x270 [ 424.006762] __should_failslab+0xba/0xf0 [ 424.006769] should_failslab+0x9/0x14 [ 424.006773] kmem_cache_alloc_node+0x270/0x730 [ 424.006778] ? mark_held_locks+0x130/0x130 [ 424.006783] ? alloc_inode+0x56/0x150 [ 424.006787] ? new_inode_pseudo+0xc/0xd0 [ 424.006790] ? new_inode+0x14/0x30 [ 424.006796] ? proc_pid_make_inode+0x18/0x1f0 [ 424.006805] __alloc_skb+0xa7/0x570 [ 424.006810] ? skb_scrub_packet+0x3a0/0x3a0 [ 424.006815] ? ima_parse_rule+0x1e60/0x1e60 [ 424.006821] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 424.006830] _sctp_make_chunk+0x3f/0x260 [ 424.006836] sctp_make_datafrag_empty+0x159/0x260 [ 424.006842] ? sctp_make_ecne+0xf0/0xf0 [ 424.006849] ? process_measurement+0x805/0x14b0 [ 424.006855] sctp_datamsg_from_user+0x4d7/0xf30 [ 424.006861] ? mark_held_locks+0x130/0x130 [ 424.017471] RAX: dffffc0000000000 RBX: ffff88808df34d00 RCX: 0000000000000020 [ 424.024864] sctp_sendmsg_to_asoc+0x48f/0x1500 [ 424.024876] ? sctp_clear_owner_w+0xf0/0xf0 [ 424.035550] RDX: 0000000000000004 RSI: ffff88808df34d00 RDI: ffff88808df34d50 [ 424.036818] ? __local_bh_enable_ip+0x120/0x260 [ 424.036822] ? __local_bh_enable_ip+0x160/0x260 [ 424.036829] ? lock_sock_nested+0x82/0x100 [ 424.036834] ? trace_hardirqs_on+0x28/0x190 [ 424.036837] ? lock_sock_nested+0x82/0x100 [ 424.036841] ? lock_sock_nested+0x82/0x100 [ 424.036845] ? __local_bh_enable_ip+0x160/0x260 [ 424.036852] sctp_sendmsg+0xb80/0x1710 [ 424.036858] ? mark_held_locks+0x130/0x130 [ 424.036864] ? sctp_id2assoc+0x250/0x250 [ 424.036870] ? ___might_sleep+0x16b/0x270 [ 424.036882] ? aa_sock_msg_perm.isra.14+0x88/0x130 [ 424.036889] inet_sendmsg+0x108/0x440 [ 424.041145] RBP: ffff88808b52f4d0 R08: ffff888093424d58 R09: ffff88808ab58018 [ 424.044547] ? security_socket_sendmsg+0x4a/0x90 [ 424.044553] ? ipip_gro_receive+0xf0/0xf0 [ 424.044559] sock_sendmsg+0xb5/0xf0 [ 424.044564] sock_write_iter+0x1e9/0x3d0 [ 424.044569] ? sock_sendmsg+0xf0/0xf0 [ 424.044581] __vfs_write+0x4a3/0x970 [ 424.052399] R10: ffff88808df34d38 R11: ffff88808df34d30 R12: ffff88808df34d40 [ 424.056048] ? lock_downgrade+0x7f0/0x7f0 [ 424.056054] ? kernel_read+0x130/0x130 [ 424.056065] ? apparmor_file_permission+0x15/0x20 [ 424.056071] ? rw_verify_area+0xb8/0x2b0 [ 424.060929] R13: 0000000000000000 R14: ffff8880914d4b20 R15: ffff8880914d4b60 [ 424.064351] vfs_write+0x150/0x4e0 [ 424.064358] ksys_write+0xcd/0x1b0 [ 424.064363] ? __ia32_sys_read+0xa0/0xa0 [ 424.064371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.064377] __x64_sys_write+0x6e/0xb0 [ 424.069726] FS: 00007faae41ce700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 424.072207] do_syscall_64+0xd0/0x4d0 [ 424.072217] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.072222] RIP: 0033:0x4592c9 [ 424.072228] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 424.072232] RSP: 002b:00007f8bbded6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 424.077713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 424.080840] RAX: ffffffffffffffda RBX: 00007f8bbded6c90 RCX: 00000000004592c9 [ 424.080843] RDX: 000000000001a000 RSI: 0000000020000000 RDI: 0000000000000003 [ 424.080845] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 424.080848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bbded76d4 [ 424.080850] R13: 00000000004c9150 R14: 00000000004e00d0 R15: 0000000000000004 [ 424.097353] kobject: 'loop0' (000000008c4a88bc): kobject_uevent_env [ 424.109974] CR2: 00007f6086a40518 CR3: 000000009686a000 CR4: 00000000001406e0 [ 424.121214] kobject: 'loop0' (000000008c4a88bc): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 424.137169] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 424.142257] kobject: 'loop4' (00000000aa314042): kobject_uevent_env [ 424.157350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 424.162456] kobject: 'loop4' (00000000aa314042): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 424.174146] FAULT_INJECTION: forcing a failure. [ 424.174146] name failslab, interval 1, probability 0, space 0, times 0 [ 424.185794] kobject: 'loop3' (000000002716c46d): kobject_uevent_env [ 424.197151] Kernel panic - not syncing: Fatal exception [ 424.208729] kobject: 'loop3' (000000002716c46d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 424.215354] Kernel Offset: disabled [ 424.857520] Rebooting in 86400 seconds..