_change_class+0xa93/0x14e0 [ 79.605446] ? qfq_change_class+0xa93/0x14e0 [ 79.610003] ? __local_bh_enable_ip+0x160/0x260 [ 79.614995] qfq_change_class+0xad9/0x14e0 [ 79.619495] ? qfq_delete_class+0x2d0/0x2d0 [ 79.623814] ? nla_parse+0x197/0x280 [ 79.627525] tc_ctl_tclass+0x3e9/0xba0 [ 79.631400] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 79.636765] ? find_held_lock+0x36/0x1d0 [ 79.641134] rtnetlink_rcv_msg+0x34f/0x8f0 [ 79.645585] ? rtnetlink_put_metrics+0x490/0x490 [ 79.650732] ? find_held_lock+0x36/0x1d0 [ 79.654816] netlink_rcv_skb+0x13e/0x3d0 [ 79.659109] ? lock_downgrade+0x860/0x860 [ 79.663524] ? rtnetlink_put_metrics+0x490/0x490 [ 79.668795] ? netlink_ack+0xa70/0xa70 [ 79.672711] ? netlink_deliver_tap+0x182/0xb00 [ 79.677562] rtnetlink_rcv+0x10/0x20 [ 79.681702] netlink_unicast+0x443/0x650 [ 79.685832] ? netlink_attachskb+0x6c0/0x6c0 [ 79.690256] ? _copy_from_iter_full+0x182/0x720 [ 79.695248] ? __check_object_size+0x1ef/0x310 [ 79.700095] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 79.705724] netlink_sendmsg+0x764/0xc60 [ 79.711239] ? netlink_unicast+0x650/0x650 [ 79.716188] ? apparmor_socket_sendmsg+0x1b/0x20 [ 79.721199] ? netlink_unicast+0x650/0x650 [ 79.726091] sock_sendmsg+0xb5/0xf0 [ 79.729889] ___sys_sendmsg+0x647/0x950 [ 79.733942] ? find_held_lock+0x36/0x1d0 [ 79.738215] ? copy_msghdr_from_user+0x430/0x430 [ 79.743134] ? __fget+0x278/0x400 [ 79.746593] ? kasan_check_read+0x11/0x20 [ 79.750754] ? __fget+0x295/0x400 [ 79.754528] ? expand_files.part.8+0x700/0x700 [ 79.759193] ? __f_unlock_pos+0xd/0x10 [ 79.763161] ? __fget_light+0x174/0x1e0 [ 79.767422] ? __fdget+0xe/0x10 [ 79.770861] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 79.775705] __sys_sendmsg+0xd9/0x180 [ 79.779563] ? __ia32_sys_shutdown+0x70/0x70 [ 79.783961] ? __sb_end_write+0xa4/0xd0 [ 79.788461] ? kasan_check_write+0x14/0x20 [ 79.792916] ? fput+0x18/0x120 [ 79.796098] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.801601] __x64_sys_sendmsg+0x73/0xb0 [ 79.806191] do_syscall_64+0xd0/0x4e0 [ 79.809982] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.815253] RIP: 0033:0x463d89 [ 79.818522] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 79.837961] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.845875] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 79.854082] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 79.861450] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 79.868808] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 79.876250] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 79.887789] FAULT_INJECTION: forcing a failure. [ 79.887789] name failslab, interval 1, probability 0, space 0, times 0 [ 79.889590] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 79.899734] CPU: 1 PID: 8173 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 79.916820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.926435] Call Trace: [ 79.929108] dump_stack+0x123/0x171 [ 79.932748] should_fail.cold.4+0x5/0xa [ 79.936863] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 79.942075] __should_failslab+0xba/0xf0 [ 79.942911] FAULT_INJECTION: forcing a failure. [ 79.942911] name failslab, interval 1, probability 0, space 0, times 0 [ 79.946399] should_failslab+0x9/0x20 [ 79.946406] kmem_cache_alloc+0x47/0x720 [ 79.946416] ? lock_acquire+0x173/0x3d0 [ 79.946427] skb_clone+0x115/0x340 [ 79.946437] netlink_deliver_tap+0x7d7/0xb00 [ 79.946449] __netlink_sendskb+0x62/0xc0 [ 79.946459] netlink_unicast+0x4ea/0x650 [ 79.986441] ? netlink_attachskb+0x6c0/0x6c0 [ 79.990933] netlink_ack+0x519/0xa70 [ 79.994997] ? netlink_sendmsg+0xc60/0xc60 [ 79.999223] ? find_held_lock+0x36/0x1d0 [ 80.003281] netlink_rcv_skb+0x2a8/0x3d0 [ 80.007761] ? lock_downgrade+0x860/0x860 [ 80.012098] ? rtnetlink_put_metrics+0x490/0x490 [ 80.016933] ? netlink_ack+0xa70/0xa70 [ 80.020815] ? netlink_deliver_tap+0x182/0xb00 [ 80.025517] rtnetlink_rcv+0x10/0x20 [ 80.029392] netlink_unicast+0x443/0x650 [ 80.033727] ? netlink_attachskb+0x6c0/0x6c0 [ 80.038148] ? _copy_from_iter_full+0x182/0x720 [ 80.042803] ? __check_object_size+0x1ef/0x310 [ 80.047493] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 80.053254] netlink_sendmsg+0x764/0xc60 [ 80.057475] ? netlink_unicast+0x650/0x650 [ 80.061704] ? apparmor_socket_sendmsg+0x1b/0x20 [ 80.066446] ? netlink_unicast+0x650/0x650 [ 80.071112] sock_sendmsg+0xb5/0xf0 [ 80.074719] ___sys_sendmsg+0x647/0x950 [ 80.078678] ? find_held_lock+0x36/0x1d0 [ 80.083010] ? copy_msghdr_from_user+0x430/0x430 [ 80.088190] ? __fget+0x278/0x400 [ 80.091630] ? kasan_check_read+0x11/0x20 [ 80.095945] ? __fget+0x295/0x400 [ 80.100257] ? expand_files.part.8+0x700/0x700 [ 80.105115] ? __f_unlock_pos+0xd/0x10 [ 80.109346] ? __fget_light+0x174/0x1e0 [ 80.113437] ? __fdget+0xe/0x10 [ 80.117162] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 80.122177] __sys_sendmsg+0xd9/0x180 [ 80.126246] ? __ia32_sys_shutdown+0x70/0x70 [ 80.130645] ? __sb_end_write+0xa4/0xd0 [ 80.134781] ? kasan_check_write+0x14/0x20 [ 80.139085] ? fput+0x18/0x120 [ 80.142447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.148468] __x64_sys_sendmsg+0x73/0xb0 [ 80.153002] do_syscall_64+0xd0/0x4e0 [ 80.156900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.162448] RIP: 0033:0x463d89 [ 80.165634] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 80.185412] RSP: 002b:00007f366ea02198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.193109] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 80.200653] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 80.208374] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 80.215947] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 80.223485] R13: 00007f366ea026bc R14: 0000000000000009 R15: 0000000000000001 [ 80.230947] CPU: 0 PID: 8134 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 80.238838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.248817] Call Trace: [ 80.251595] dump_stack+0x123/0x171 [ 80.255229] should_fail.cold.4+0x5/0xa [ 80.259294] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 80.264576] ? lock_downgrade+0x860/0x860 [ 80.268832] ? ___might_sleep+0x16b/0x270 [ 80.273080] __should_failslab+0xba/0xf0 [ 80.277751] should_failslab+0x9/0x20 [ 80.281824] kmem_cache_alloc_trace+0x2cb/0x740 [ 80.286574] ? qfq_change_class+0xa93/0x14e0 [ 80.291890] ? qfq_change_class+0xa93/0x14e0 [ 80.296304] ? __local_bh_enable_ip+0x160/0x260 [ 80.301245] qfq_change_class+0xad9/0x14e0 [ 80.305812] ? qfq_delete_class+0x2d0/0x2d0 [ 80.310339] ? nla_parse+0x197/0x280 [ 80.314703] tc_ctl_tclass+0x3e9/0xba0 [ 80.319277] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 80.324635] ? find_held_lock+0x36/0x1d0 [ 80.329206] rtnetlink_rcv_msg+0x34f/0x8f0 [ 80.333482] ? rtnetlink_put_metrics+0x490/0x490 [ 80.338330] ? find_held_lock+0x36/0x1d0 [ 80.342393] netlink_rcv_skb+0x13e/0x3d0 [ 80.346669] ? lock_downgrade+0x860/0x860 [ 80.350895] ? rtnetlink_put_metrics+0x490/0x490 [ 80.355653] ? netlink_ack+0xa70/0xa70 [ 80.359924] ? netlink_deliver_tap+0x182/0xb00 [ 80.364726] rtnetlink_rcv+0x10/0x20 [ 80.368672] netlink_unicast+0x443/0x650 [ 80.372927] ? netlink_attachskb+0x6c0/0x6c0 [ 80.377604] ? _copy_from_iter_full+0x182/0x720 [ 80.382279] ? __check_object_size+0x1ef/0x310 [ 80.386958] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 80.393221] netlink_sendmsg+0x764/0xc60 [ 80.397344] ? netlink_unicast+0x650/0x650 [ 80.402133] ? apparmor_socket_sendmsg+0x1b/0x20 [ 80.407088] ? netlink_unicast+0x650/0x650 [ 80.411517] sock_sendmsg+0xb5/0xf0 [ 80.415221] ___sys_sendmsg+0x647/0x950 [ 80.419394] ? find_held_lock+0x36/0x1d0 [ 80.423827] ? copy_msghdr_from_user+0x430/0x430 [ 80.429127] ? __fget+0x278/0x400 [ 80.432631] ? kasan_check_read+0x11/0x20 [ 80.436958] ? __fget+0x295/0x400 [ 80.440874] ? expand_files.part.8+0x700/0x700 [ 80.445851] ? __f_unlock_pos+0xd/0x10 [ 80.450126] ? __fget_light+0x174/0x1e0 [ 80.454263] ? __fdget+0xe/0x10 [ 80.457717] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 80.463501] __sys_sendmsg+0xd9/0x180 [ 80.467510] ? __ia32_sys_shutdown+0x70/0x70 [ 80.472083] ? __sb_end_write+0xa4/0xd0 [ 80.476095] ? kasan_check_write+0x14/0x20 [ 80.480346] ? fput+0x18/0x120 [ 80.483938] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.489387] __x64_sys_sendmsg+0x73/0xb0 [ 80.493434] do_syscall_64+0xd0/0x4e0 [ 80.497226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.502700] RIP: 0033:0x463d89 [ 80.506246] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 80.526594] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.534998] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 80.542401] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 80.550277] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 80.557890] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 80.565831] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 80.579683] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 80.593794] FAULT_INJECTION: forcing a failure. [ 80.593794] name failslab, interval 1, probability 0, space 0, times 0 [ 80.608450] CPU: 1 PID: 8144 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 80.616535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.626350] Call Trace: [ 80.629143] dump_stack+0x123/0x171 [ 80.632867] should_fail.cold.4+0x5/0xa [ 80.637149] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 80.642427] ? lock_downgrade+0x860/0x860 [ 80.646788] ? ___might_sleep+0x16b/0x270 [ 80.651018] __should_failslab+0xba/0xf0 [ 80.655577] should_failslab+0x9/0x20 [ 80.659392] kmem_cache_alloc_trace+0x2cb/0x740 [ 80.664571] ? qfq_change_class+0xa93/0x14e0 [ 80.669053] ? qfq_change_class+0xa93/0x14e0 [ 80.673805] ? __local_bh_enable_ip+0x160/0x260 [ 80.679550] qfq_change_class+0xad9/0x14e0 [ 80.685276] ? qfq_delete_class+0x2d0/0x2d0 [ 80.689695] ? nla_parse+0x197/0x280 [ 80.693835] tc_ctl_tclass+0x3e9/0xba0 [ 80.697718] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 80.703034] ? find_held_lock+0x36/0x1d0 [ 80.707405] rtnetlink_rcv_msg+0x34f/0x8f0 [ 80.711827] ? rtnetlink_put_metrics+0x490/0x490 [ 80.716887] ? find_held_lock+0x36/0x1d0 [ 80.721366] netlink_rcv_skb+0x13e/0x3d0 [ 80.726019] ? lock_downgrade+0x860/0x860 [ 80.730342] ? rtnetlink_put_metrics+0x490/0x490 [ 80.735317] ? netlink_ack+0xa70/0xa70 [ 80.739552] ? netlink_deliver_tap+0x182/0xb00 [ 80.744213] rtnetlink_rcv+0x10/0x20 [ 80.748004] netlink_unicast+0x443/0x650 [ 80.752342] ? netlink_attachskb+0x6c0/0x6c0 [ 80.756736] ? _copy_from_iter_full+0x182/0x720 [ 80.761442] ? __check_object_size+0x1ef/0x310 [ 80.766509] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 80.772238] netlink_sendmsg+0x764/0xc60 [ 80.777191] ? netlink_unicast+0x650/0x650 [ 80.781433] ? apparmor_socket_sendmsg+0x1b/0x20 [ 80.786282] ? netlink_unicast+0x650/0x650 [ 80.791742] sock_sendmsg+0xb5/0xf0 [ 80.795358] ___sys_sendmsg+0x647/0x950 [ 80.799603] ? find_held_lock+0x36/0x1d0 [ 80.803781] ? copy_msghdr_from_user+0x430/0x430 [ 80.808692] ? __fget+0x278/0x400 [ 80.812614] ? kasan_check_read+0x11/0x20 [ 80.816851] ? __fget+0x295/0x400 [ 80.820295] ? expand_files.part.8+0x700/0x700 [ 80.825820] ? __f_unlock_pos+0xd/0x10 [ 80.830102] ? __fget_light+0x174/0x1e0 [ 80.834170] ? __fdget+0xe/0x10 [ 80.837622] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 80.842574] __sys_sendmsg+0xd9/0x180 [ 80.846752] ? __ia32_sys_shutdown+0x70/0x70 [ 80.851458] ? __sb_end_write+0xa4/0xd0 [ 80.855526] ? kasan_check_write+0x14/0x20 [ 80.860027] ? fput+0x18/0x120 [ 80.863808] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.869421] __x64_sys_sendmsg+0x73/0xb0 [ 80.873563] do_syscall_64+0xd0/0x4e0 [ 80.877798] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.883251] RIP: 0033:0x463d89 [ 80.886775] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 80.907097] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.914995] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 80.922497] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 80.930127] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 80.937488] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 80.944938] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 80.952877] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 80.968355] FAULT_INJECTION: forcing a failure. [ 80.968355] name failslab, interval 1, probability 0, space 0, times 0 [ 80.982252] CPU: 1 PID: 8154 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 80.990446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.000335] Call Trace: [ 81.002927] dump_stack+0x123/0x171 [ 81.006835] should_fail.cold.4+0x5/0xa [ 81.011011] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 81.016424] ? lock_downgrade+0x860/0x860 [ 81.020571] ? ___might_sleep+0x16b/0x270 [ 81.024725] __should_failslab+0xba/0xf0 [ 81.029058] should_failslab+0x9/0x20 [ 81.032860] kmem_cache_alloc_trace+0x2cb/0x740 [ 81.037662] ? qfq_change_class+0xa93/0x14e0 [ 81.042579] ? qfq_change_class+0xa93/0x14e0 [ 81.047776] ? __local_bh_enable_ip+0x160/0x260 [ 81.052723] qfq_change_class+0xad9/0x14e0 [ 81.057262] ? qfq_delete_class+0x2d0/0x2d0 [ 81.061876] ? nla_parse+0x197/0x280 [ 81.065579] tc_ctl_tclass+0x3e9/0xba0 [ 81.069619] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 81.075096] ? find_held_lock+0x36/0x1d0 [ 81.079520] rtnetlink_rcv_msg+0x34f/0x8f0 [ 81.084381] ? rtnetlink_put_metrics+0x490/0x490 [ 81.089789] ? find_held_lock+0x36/0x1d0 [ 81.093849] netlink_rcv_skb+0x13e/0x3d0 [ 81.098079] ? lock_downgrade+0x860/0x860 [ 81.102579] ? rtnetlink_put_metrics+0x490/0x490 [ 81.108328] ? netlink_ack+0xa70/0xa70 [ 81.112992] ? netlink_deliver_tap+0x182/0xb00 [ 81.118139] rtnetlink_rcv+0x10/0x20 [ 81.121884] netlink_unicast+0x443/0x650 [ 81.125969] ? netlink_attachskb+0x6c0/0x6c0 [ 81.130743] ? _copy_from_iter_full+0x182/0x720 [ 81.135751] ? __check_object_size+0x1ef/0x310 [ 81.140630] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 81.146498] netlink_sendmsg+0x764/0xc60 [ 81.150833] ? netlink_unicast+0x650/0x650 [ 81.155374] ? apparmor_socket_sendmsg+0x1b/0x20 [ 81.160299] ? netlink_unicast+0x650/0x650 [ 81.164532] sock_sendmsg+0xb5/0xf0 [ 81.168596] ___sys_sendmsg+0x647/0x950 [ 81.172695] ? find_held_lock+0x36/0x1d0 [ 81.176923] ? copy_msghdr_from_user+0x430/0x430 [ 81.181758] ? __fget+0x278/0x400 [ 81.187817] ? kasan_check_read+0x11/0x20 [ 81.192178] ? __fget+0x295/0x400 [ 81.195927] ? expand_files.part.8+0x700/0x700 [ 81.200745] ? __f_unlock_pos+0xd/0x10 [ 81.204690] ? __fget_light+0x174/0x1e0 [ 81.209392] ? __fdget+0xe/0x10 [ 81.213103] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 81.218500] __sys_sendmsg+0xd9/0x180 [ 81.222486] ? __ia32_sys_shutdown+0x70/0x70 [ 81.227082] ? __sb_end_write+0xa4/0xd0 [ 81.231169] ? kasan_check_write+0x14/0x20 [ 81.235423] ? fput+0x18/0x120 [ 81.238809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.244482] __x64_sys_sendmsg+0x73/0xb0 [ 81.249019] do_syscall_64+0xd0/0x4e0 [ 81.253266] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.258950] RIP: 0033:0x463d89 [ 81.262424] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 81.281993] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.290398] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 81.297873] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 81.305742] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 81.313480] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 81.321095] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 81.347493] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 81.373963] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 81.388883] FAULT_INJECTION: forcing a failure. [ 81.388883] name failslab, interval 1, probability 0, space 0, times 0 [ 81.415228] CPU: 0 PID: 8172 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 81.423318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.433746] Call Trace: [ 81.436644] dump_stack+0x123/0x171 [ 81.440375] should_fail.cold.4+0x5/0xa [ 81.444475] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 81.449920] ? lock_downgrade+0x860/0x860 [ 81.454682] ? ___might_sleep+0x16b/0x270 [ 81.459235] __should_failslab+0xba/0xf0 [ 81.463339] should_failslab+0x9/0x20 [ 81.467529] kmem_cache_alloc_trace+0x2cb/0x740 [ 81.472375] ? qfq_change_class+0xa93/0x14e0 [ 81.476964] ? qfq_change_class+0xa93/0x14e0 [ 81.481379] ? __local_bh_enable_ip+0x160/0x260 [ 81.486228] qfq_change_class+0xad9/0x14e0 [ 81.490696] ? qfq_delete_class+0x2d0/0x2d0 [ 81.495130] ? nla_parse+0x197/0x280 [ 81.498917] tc_ctl_tclass+0x3e9/0xba0 [ 81.503086] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 81.509124] ? find_held_lock+0x36/0x1d0 [ 81.513406] rtnetlink_rcv_msg+0x34f/0x8f0 [ 81.517968] ? rtnetlink_put_metrics+0x490/0x490 [ 81.522732] ? find_held_lock+0x36/0x1d0 [ 81.527115] netlink_rcv_skb+0x13e/0x3d0 [ 81.531402] ? lock_downgrade+0x860/0x860 [ 81.535625] ? rtnetlink_put_metrics+0x490/0x490 [ 81.540595] ? netlink_ack+0xa70/0xa70 [ 81.544485] ? netlink_deliver_tap+0x182/0xb00 [ 81.549054] rtnetlink_rcv+0x10/0x20 [ 81.553143] netlink_unicast+0x443/0x650 [ 81.557198] ? netlink_attachskb+0x6c0/0x6c0 [ 81.561640] ? _copy_from_iter_full+0x182/0x720 [ 81.566705] ? __check_object_size+0x1ef/0x310 [ 81.571758] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 81.577511] netlink_sendmsg+0x764/0xc60 [ 81.581842] ? netlink_unicast+0x650/0x650 [ 81.586085] ? apparmor_socket_sendmsg+0x1b/0x20 [ 81.591009] ? netlink_unicast+0x650/0x650 [ 81.595415] sock_sendmsg+0xb5/0xf0 [ 81.599202] ___sys_sendmsg+0x647/0x950 [ 81.603172] ? find_held_lock+0x36/0x1d0 [ 81.607265] ? copy_msghdr_from_user+0x430/0x430 [ 81.612008] ? __fget+0x278/0x400 [ 81.615443] ? kasan_check_read+0x11/0x20 [ 81.619576] ? __fget+0x295/0x400 [ 81.623056] ? expand_files.part.8+0x700/0x700 [ 81.628090] ? __f_unlock_pos+0xd/0x10 [ 81.632025] ? __fget_light+0x174/0x1e0 [ 81.636134] ? __fdget+0xe/0x10 [ 81.639605] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 81.644460] __sys_sendmsg+0xd9/0x180 [ 81.648406] ? __ia32_sys_shutdown+0x70/0x70 [ 81.653302] ? __sb_end_write+0xa4/0xd0 [ 81.657584] ? kasan_check_write+0x14/0x20 [ 81.662180] ? fput+0x18/0x120 [ 81.665717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.671796] __x64_sys_sendmsg+0x73/0xb0 [ 81.675865] do_syscall_64+0xd0/0x4e0 [ 81.680046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.685476] RIP: 0033:0x463d89 [ 81.689002] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 81.709048] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.717451] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 81.725013] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 81.732402] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 81.739684] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 81.747212] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 81.759156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 81.788607] FAULT_INJECTION: forcing a failure. [ 81.788607] name failslab, interval 1, probability 0, space 0, times 0 [ 81.805727] CPU: 0 PID: 8183 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 81.813711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.823140] Call Trace: [ 81.825714] dump_stack+0x123/0x171 [ 81.829413] should_fail.cold.4+0x5/0xa [ 81.833402] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 81.838511] ? lock_downgrade+0x860/0x860 [ 81.842996] ? ___might_sleep+0x16b/0x270 [ 81.847511] __should_failslab+0xba/0xf0 [ 81.851574] should_failslab+0x9/0x20 [ 81.855374] kmem_cache_alloc_trace+0x2cb/0x740 [ 81.860040] ? qfq_change_class+0xa93/0x14e0 [ 81.864441] ? qfq_change_class+0xa93/0x14e0 [ 81.869422] ? __local_bh_enable_ip+0x160/0x260 [ 81.874186] qfq_change_class+0xad9/0x14e0 [ 81.878599] ? qfq_delete_class+0x2d0/0x2d0 [ 81.883189] ? nla_parse+0x197/0x280 [ 81.886913] tc_ctl_tclass+0x3e9/0xba0 [ 81.891127] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 81.896353] ? find_held_lock+0x36/0x1d0 [ 81.901984] rtnetlink_rcv_msg+0x34f/0x8f0 [ 81.906377] ? rtnetlink_put_metrics+0x490/0x490 [ 81.911435] ? find_held_lock+0x36/0x1d0 [ 81.916288] netlink_rcv_skb+0x13e/0x3d0 [ 81.920618] ? lock_downgrade+0x860/0x860 [ 81.925681] ? rtnetlink_put_metrics+0x490/0x490 [ 81.930892] ? netlink_ack+0xa70/0xa70 [ 81.935148] ? netlink_deliver_tap+0x182/0xb00 [ 81.940660] rtnetlink_rcv+0x10/0x20 [ 81.944864] netlink_unicast+0x443/0x650 [ 81.949267] ? netlink_attachskb+0x6c0/0x6c0 [ 81.953666] ? _copy_from_iter_full+0x182/0x720 [ 81.958471] ? __check_object_size+0x1ef/0x310 [ 81.963177] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 81.968970] netlink_sendmsg+0x764/0xc60 [ 81.973324] ? netlink_unicast+0x650/0x650 [ 81.977970] ? apparmor_socket_sendmsg+0x1b/0x20 [ 81.982894] ? netlink_unicast+0x650/0x650 [ 81.987129] sock_sendmsg+0xb5/0xf0 [ 81.990852] ___sys_sendmsg+0x647/0x950 [ 81.994931] ? find_held_lock+0x36/0x1d0 [ 81.999401] ? copy_msghdr_from_user+0x430/0x430 [ 82.004337] ? __fget+0x278/0x400 [ 82.007880] ? kasan_check_read+0x11/0x20 [ 82.012089] ? __fget+0x295/0x400 [ 82.016062] ? expand_files.part.8+0x700/0x700 [ 82.020756] ? __f_unlock_pos+0xd/0x10 [ 82.024718] ? __fget_light+0x174/0x1e0 [ 82.028766] ? __fdget+0xe/0x10 [ 82.032143] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 82.036977] __sys_sendmsg+0xd9/0x180 [ 82.041071] ? __ia32_sys_shutdown+0x70/0x70 [ 82.045555] ? __sb_end_write+0xa4/0xd0 [ 82.049561] ? kasan_check_write+0x14/0x20 [ 82.054306] ? fput+0x18/0x120 [ 82.057781] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.064987] __x64_sys_sendmsg+0x73/0xb0 [ 82.069136] do_syscall_64+0xd0/0x4e0 [ 82.073468] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.079076] RIP: 0033:0x463d89 [ 82.082645] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 82.102960] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.111477] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 82.120367] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 82.127965] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 82.135627] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 82.143337] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 82.159517] FAULT_INJECTION: forcing a failure. [ 82.159517] name failslab, interval 1, probability 0, space 0, times 0 [ 82.174512] CPU: 0 PID: 8193 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 82.182696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.192339] Call Trace: [ 82.195279] dump_stack+0x123/0x171 [ 82.199169] should_fail.cold.4+0x5/0xa [ 82.203651] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 82.209000] ? lock_downgrade+0x860/0x860 [ 82.213241] ? ___might_sleep+0x16b/0x270 [ 82.217838] __should_failslab+0xba/0xf0 [ 82.222004] should_failslab+0x9/0x20 [ 82.225816] kmem_cache_alloc_trace+0x2cb/0x740 [ 82.230639] ? qfq_change_class+0xa93/0x14e0 [ 82.235213] ? qfq_change_class+0xa93/0x14e0 [ 82.239929] ? __local_bh_enable_ip+0x160/0x260 [ 82.245174] qfq_change_class+0xad9/0x14e0 [ 82.249602] ? qfq_delete_class+0x2d0/0x2d0 [ 82.254654] ? nla_parse+0x197/0x280 [ 82.259150] tc_ctl_tclass+0x3e9/0xba0 [ 82.263406] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 82.269323] ? find_held_lock+0x36/0x1d0 [ 82.273686] rtnetlink_rcv_msg+0x34f/0x8f0 [ 82.278629] ? rtnetlink_put_metrics+0x490/0x490 [ 82.284481] ? find_held_lock+0x36/0x1d0 [ 82.288543] netlink_rcv_skb+0x13e/0x3d0 [ 82.292606] ? lock_downgrade+0x860/0x860 [ 82.296889] ? rtnetlink_put_metrics+0x490/0x490 [ 82.301920] ? netlink_ack+0xa70/0xa70 [ 82.306443] ? netlink_deliver_tap+0x182/0xb00 [ 82.311039] rtnetlink_rcv+0x10/0x20 [ 82.314864] netlink_unicast+0x443/0x650 [ 82.318921] ? netlink_attachskb+0x6c0/0x6c0 [ 82.323429] ? _copy_from_iter_full+0x182/0x720 [ 82.328748] ? __check_object_size+0x1ef/0x310 [ 82.333491] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 82.339244] netlink_sendmsg+0x764/0xc60 [ 82.343485] ? netlink_unicast+0x650/0x650 [ 82.347725] ? apparmor_socket_sendmsg+0x1b/0x20 [ 82.352481] ? netlink_unicast+0x650/0x650 [ 82.357053] sock_sendmsg+0xb5/0xf0 [ 82.360667] ___sys_sendmsg+0x647/0x950 [ 82.365330] ? find_held_lock+0x36/0x1d0 [ 82.369401] ? copy_msghdr_from_user+0x430/0x430 [ 82.374673] ? __fget+0x278/0x400 [ 82.378204] ? kasan_check_read+0x11/0x20 [ 82.382531] ? __fget+0x295/0x400 [ 82.386180] ? expand_files.part.8+0x700/0x700 [ 82.390982] ? __f_unlock_pos+0xd/0x10 [ 82.394884] ? __fget_light+0x174/0x1e0 [ 82.399344] ? __fdget+0xe/0x10 [ 82.402746] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 82.407842] __sys_sendmsg+0xd9/0x180 [ 82.411736] ? __ia32_sys_shutdown+0x70/0x70 [ 82.416159] ? __sb_end_write+0xa4/0xd0 [ 82.420406] ? kasan_check_write+0x14/0x20 [ 82.424791] ? fput+0x18/0x120 [ 82.428065] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.433418] __x64_sys_sendmsg+0x73/0xb0 [ 82.437852] do_syscall_64+0xd0/0x4e0 [ 82.441824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.447313] RIP: 0033:0x463d89 [ 82.450621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 82.470561] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.478395] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 82.486201] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 82.494329] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 82.501768] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 82.509398] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 82.523943] FAULT_INJECTION: forcing a failure. [ 82.523943] name failslab, interval 1, probability 0, space 0, times 0 [ 82.537763] CPU: 0 PID: 8203 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 82.546431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.556774] Call Trace: [ 82.559707] dump_stack+0x123/0x171 [ 82.563467] should_fail.cold.4+0x5/0xa [ 82.567528] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 82.572872] ? lock_downgrade+0x860/0x860 [ 82.577521] ? ___might_sleep+0x16b/0x270 [ 82.582084] __should_failslab+0xba/0xf0 [ 82.586440] should_failslab+0x9/0x20 [ 82.590341] kmem_cache_alloc_trace+0x2cb/0x740 [ 82.595281] ? qfq_change_class+0xa93/0x14e0 [ 82.599895] ? qfq_change_class+0xa93/0x14e0 [ 82.604474] ? __local_bh_enable_ip+0x160/0x260 [ 82.609337] qfq_change_class+0xad9/0x14e0 [ 82.613783] ? qfq_delete_class+0x2d0/0x2d0 [ 82.618194] ? nla_parse+0x197/0x280 [ 82.622183] tc_ctl_tclass+0x3e9/0xba0 [ 82.626063] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 82.631180] ? find_held_lock+0x36/0x1d0 [ 82.635245] rtnetlink_rcv_msg+0x34f/0x8f0 [ 82.640080] ? rtnetlink_put_metrics+0x490/0x490 [ 82.644841] ? find_held_lock+0x36/0x1d0 [ 82.649230] netlink_rcv_skb+0x13e/0x3d0 [ 82.653337] ? lock_downgrade+0x860/0x860 [ 82.657562] ? rtnetlink_put_metrics+0x490/0x490 [ 82.662398] ? netlink_ack+0xa70/0xa70 [ 82.666353] ? netlink_deliver_tap+0x182/0xb00 [ 82.671285] rtnetlink_rcv+0x10/0x20 [ 82.675016] netlink_unicast+0x443/0x650 [ 82.679323] ? netlink_attachskb+0x6c0/0x6c0 [ 82.683844] ? _copy_from_iter_full+0x182/0x720 [ 82.688624] ? __check_object_size+0x1ef/0x310 [ 82.693390] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 82.699323] netlink_sendmsg+0x764/0xc60 [ 82.704023] ? netlink_unicast+0x650/0x650 [ 82.708888] ? apparmor_socket_sendmsg+0x1b/0x20 [ 82.714019] ? netlink_unicast+0x650/0x650 [ 82.718392] sock_sendmsg+0xb5/0xf0 [ 82.722341] ___sys_sendmsg+0x647/0x950 [ 82.726576] ? find_held_lock+0x36/0x1d0 [ 82.730832] ? copy_msghdr_from_user+0x430/0x430 [ 82.736140] ? __fget+0x278/0x400 [ 82.739709] ? kasan_check_read+0x11/0x20 [ 82.744097] ? __fget+0x295/0x400 [ 82.747722] ? expand_files.part.8+0x700/0x700 [ 82.752389] ? __f_unlock_pos+0xd/0x10 [ 82.756383] ? __fget_light+0x174/0x1e0 [ 82.760479] ? __fdget+0xe/0x10 [ 82.763872] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 82.768856] __sys_sendmsg+0xd9/0x180 [ 82.772689] ? __ia32_sys_shutdown+0x70/0x70 [ 82.778399] ? __sb_end_write+0xa4/0xd0 [ 82.782888] ? kasan_check_write+0x14/0x20 [ 82.787387] ? fput+0x18/0x120 [ 82.790585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.796037] __x64_sys_sendmsg+0x73/0xb0 [ 82.800186] do_syscall_64+0xd0/0x4e0 [ 82.804281] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.809702] RIP: 0033:0x463d89 [ 82.812970] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 82.833178] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.841422] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 82.848810] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 82.856443] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 82.863856] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 82.871382] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 82.903837] FAULT_INJECTION: forcing a failure. [ 82.903837] name failslab, interval 1, probability 0, space 0, times 0 [ 82.924125] CPU: 1 PID: 8221 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 82.932190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.941676] Call Trace: [ 82.944278] dump_stack+0x123/0x171 [ 82.948001] should_fail.cold.4+0x5/0xa [ 82.952084] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 82.957630] ? lock_downgrade+0x860/0x860 [ 82.962074] ? ___might_sleep+0x16b/0x270 [ 82.966659] __should_failslab+0xba/0xf0 [ 82.971302] should_failslab+0x9/0x20 [ 82.975367] kmem_cache_alloc_trace+0x2cb/0x740 [ 82.980202] ? qfq_change_class+0xa93/0x14e0 [ 82.984948] ? __local_bh_enable_ip+0x160/0x260 [ 82.989604] qfq_change_class+0xad9/0x14e0 [ 82.993827] ? qfq_delete_class+0x2d0/0x2d0 [ 82.998223] ? nla_parse+0x197/0x280 [ 83.001964] tc_ctl_tclass+0x3e9/0xba0 [ 83.005847] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 83.011140] ? find_held_lock+0x36/0x1d0 [ 83.015378] rtnetlink_rcv_msg+0x34f/0x8f0 [ 83.019637] ? rtnetlink_put_metrics+0x490/0x490 [ 83.024473] ? find_held_lock+0x36/0x1d0 [ 83.028537] netlink_rcv_skb+0x13e/0x3d0 [ 83.032695] ? lock_downgrade+0x860/0x860 [ 83.036951] ? rtnetlink_put_metrics+0x490/0x490 [ 83.041813] ? netlink_ack+0xa70/0xa70 [ 83.045816] ? netlink_deliver_tap+0x182/0xb00 [ 83.050492] rtnetlink_rcv+0x10/0x20 [ 83.054196] netlink_unicast+0x443/0x650 [ 83.058366] ? netlink_attachskb+0x6c0/0x6c0 [ 83.063278] ? _copy_from_iter_full+0x182/0x720 [ 83.068166] ? __check_object_size+0x1ef/0x310 [ 83.073307] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 83.079170] netlink_sendmsg+0x764/0xc60 [ 83.083390] ? netlink_unicast+0x650/0x650 [ 83.087726] ? apparmor_socket_sendmsg+0x1b/0x20 [ 83.092665] ? netlink_unicast+0x650/0x650 [ 83.097096] sock_sendmsg+0xb5/0xf0 [ 83.100797] ___sys_sendmsg+0x647/0x950 [ 83.104988] ? find_held_lock+0x36/0x1d0 [ 83.109050] ? copy_msghdr_from_user+0x430/0x430 [ 83.113930] ? __fget+0x278/0x400 [ 83.117401] ? kasan_check_read+0x11/0x20 [ 83.121679] ? __fget+0x295/0x400 [ 83.125131] ? expand_files.part.8+0x700/0x700 [ 83.130075] ? __f_unlock_pos+0xd/0x10 [ 83.134249] ? __fget_light+0x174/0x1e0 [ 83.138219] ? __fdget+0xe/0x10 [ 83.141573] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 83.146893] __sys_sendmsg+0xd9/0x180 [ 83.151075] ? __ia32_sys_shutdown+0x70/0x70 [ 83.156079] ? __sb_end_write+0xa4/0xd0 [ 83.160076] ? kasan_check_write+0x14/0x20 [ 83.164723] ? fput+0x18/0x120 [ 83.168345] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.175013] __x64_sys_sendmsg+0x73/0xb0 [ 83.179072] do_syscall_64+0xd0/0x4e0 [ 83.182976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.188267] RIP: 0033:0x463d89 [ 83.191460] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 83.212900] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.221788] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 83.229548] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 83.237174] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 83.244559] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 83.252304] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 83.263142] FAULT_INJECTION: forcing a failure. [ 83.263142] name failslab, interval 1, probability 0, space 0, times 0 [ 83.280289] CPU: 1 PID: 8223 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 83.288285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.297647] Call Trace: [ 83.300503] dump_stack+0x123/0x171 [ 83.304269] should_fail.cold.4+0x5/0xa [ 83.308249] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 83.313359] ? lock_downgrade+0x860/0x860 [ 83.317603] ? ___might_sleep+0x16b/0x270 [ 83.321965] __should_failslab+0xba/0xf0 [ 83.326286] should_failslab+0x9/0x20 [ 83.330202] kmem_cache_alloc_trace+0x2cb/0x740 [ 83.335015] ? qfq_change_class+0xa93/0x14e0 [ 83.339593] ? qfq_change_class+0xa93/0x14e0 [ 83.344573] ? __local_bh_enable_ip+0x160/0x260 [ 83.349373] qfq_change_class+0xad9/0x14e0 [ 83.353704] ? qfq_delete_class+0x2d0/0x2d0 [ 83.358397] ? nla_parse+0x197/0x280 [ 83.362798] tc_ctl_tclass+0x3e9/0xba0 [ 83.367054] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 83.372453] ? find_held_lock+0x36/0x1d0 [ 83.376984] rtnetlink_rcv_msg+0x34f/0x8f0 [ 83.381468] ? rtnetlink_put_metrics+0x490/0x490 [ 83.386421] ? find_held_lock+0x36/0x1d0 [ 83.390474] netlink_rcv_skb+0x13e/0x3d0 [ 83.394537] ? lock_downgrade+0x860/0x860 [ 83.398881] ? rtnetlink_put_metrics+0x490/0x490 [ 83.403815] ? netlink_ack+0xa70/0xa70 [ 83.408076] ? netlink_deliver_tap+0x182/0xb00 [ 83.413068] rtnetlink_rcv+0x10/0x20 [ 83.416869] netlink_unicast+0x443/0x650 [ 83.421226] ? netlink_attachskb+0x6c0/0x6c0 [ 83.425620] ? _copy_from_iter_full+0x182/0x720 [ 83.430468] ? __check_object_size+0x1ef/0x310 [ 83.435268] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 83.440807] netlink_sendmsg+0x764/0xc60 [ 83.444970] ? netlink_unicast+0x650/0x650 [ 83.449548] ? apparmor_socket_sendmsg+0x1b/0x20 [ 83.454876] ? netlink_unicast+0x650/0x650 [ 83.459233] sock_sendmsg+0xb5/0xf0 [ 83.462985] ___sys_sendmsg+0x647/0x950 [ 83.467067] ? find_held_lock+0x36/0x1d0 [ 83.471121] ? copy_msghdr_from_user+0x430/0x430 [ 83.476821] ? __fget+0x278/0x400 [ 83.480818] ? kasan_check_read+0x11/0x20 [ 83.484964] ? __fget+0x295/0x400 [ 83.488639] ? expand_files.part.8+0x700/0x700 [ 83.493216] ? __f_unlock_pos+0xd/0x10 [ 83.497281] ? __fget_light+0x174/0x1e0 [ 83.501358] ? __fdget+0xe/0x10 [ 83.504861] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 83.510271] __sys_sendmsg+0xd9/0x180 [ 83.514095] ? __ia32_sys_shutdown+0x70/0x70 [ 83.518981] ? __sb_end_write+0xa4/0xd0 [ 83.522942] ? kasan_check_write+0x14/0x20 [ 83.527426] ? fput+0x18/0x120 [ 83.530610] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.536067] __x64_sys_sendmsg+0x73/0xb0 [ 83.540232] do_syscall_64+0xd0/0x4e0 [ 83.544222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.549830] RIP: 0033:0x463d89 [ 83.553014] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 83.573006] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.580812] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 83.588502] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 83.596128] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 83.603828] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 83.611286] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 83.620492] nla_parse: 4 callbacks suppressed [ 83.620497] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 83.642851] FAULT_INJECTION: forcing a failure. [ 83.642851] name failslab, interval 1, probability 0, space 0, times 0 [ 83.658919] CPU: 1 PID: 8233 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 83.666744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.676434] Call Trace: [ 83.679033] dump_stack+0x123/0x171 [ 83.683352] should_fail.cold.4+0x5/0xa [ 83.687855] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 83.693500] ? lock_downgrade+0x860/0x860 [ 83.697642] ? ___might_sleep+0x16b/0x270 [ 83.702393] __should_failslab+0xba/0xf0 [ 83.706460] should_failslab+0x9/0x20 [ 83.710262] kmem_cache_alloc_trace+0x2cb/0x740 [ 83.715417] ? qfq_change_class+0xa93/0x14e0 [ 83.720006] ? qfq_change_class+0xa93/0x14e0 [ 83.724501] ? __local_bh_enable_ip+0x160/0x260 [ 83.729264] qfq_change_class+0xad9/0x14e0 [ 83.733572] ? qfq_delete_class+0x2d0/0x2d0 [ 83.738052] ? nla_parse+0x197/0x280 [ 83.741763] tc_ctl_tclass+0x3e9/0xba0 [ 83.745656] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 83.750756] ? find_held_lock+0x36/0x1d0 [ 83.754915] rtnetlink_rcv_msg+0x34f/0x8f0 [ 83.759224] ? rtnetlink_put_metrics+0x490/0x490 [ 83.763971] ? find_held_lock+0x36/0x1d0 [ 83.768028] netlink_rcv_skb+0x13e/0x3d0 [ 83.772348] ? lock_downgrade+0x860/0x860 [ 83.776603] ? rtnetlink_put_metrics+0x490/0x490 [ 83.781360] ? netlink_ack+0xa70/0xa70 [ 83.785233] ? netlink_deliver_tap+0x182/0xb00 [ 83.789896] rtnetlink_rcv+0x10/0x20 [ 83.793700] netlink_unicast+0x443/0x650 [ 83.797831] ? netlink_attachskb+0x6c0/0x6c0 [ 83.802241] ? _copy_from_iter_full+0x182/0x720 [ 83.807163] ? __check_object_size+0x1ef/0x310 [ 83.811776] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 83.817746] netlink_sendmsg+0x764/0xc60 [ 83.821905] ? netlink_unicast+0x650/0x650 [ 83.826141] ? apparmor_socket_sendmsg+0x1b/0x20 [ 83.830993] ? netlink_unicast+0x650/0x650 [ 83.835217] sock_sendmsg+0xb5/0xf0 [ 83.838918] ___sys_sendmsg+0x647/0x950 [ 83.842897] ? find_held_lock+0x36/0x1d0 [ 83.846958] ? copy_msghdr_from_user+0x430/0x430 [ 83.851696] ? __fget+0x278/0x400 [ 83.855150] ? kasan_check_read+0x11/0x20 [ 83.859292] ? __fget+0x295/0x400 [ 83.862850] ? expand_files.part.8+0x700/0x700 [ 83.867529] ? __f_unlock_pos+0xd/0x10 [ 83.871402] ? __fget_light+0x174/0x1e0 [ 83.875358] ? __fdget+0xe/0x10 [ 83.878717] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 83.883857] __sys_sendmsg+0xd9/0x180 [ 83.887846] ? __ia32_sys_shutdown+0x70/0x70 [ 83.892246] ? __sb_end_write+0xa4/0xd0 [ 83.896228] ? kasan_check_write+0x14/0x20 [ 83.900807] ? fput+0x18/0x120 [ 83.904299] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.909951] __x64_sys_sendmsg+0x73/0xb0 [ 83.914009] do_syscall_64+0xd0/0x4e0 [ 83.917896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.923968] RIP: 0033:0x463d89 [ 83.927177] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 83.947231] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.955074] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 83.962914] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 83.970184] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 83.977509] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 83.985424] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 83.995961] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 84.015012] FAULT_INJECTION: forcing a failure. [ 84.015012] name failslab, interval 1, probability 0, space 0, times 0 [ 84.027500] CPU: 1 PID: 8243 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 84.035840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.045193] Call Trace: [ 84.047801] dump_stack+0x123/0x171 [ 84.051434] should_fail.cold.4+0x5/0xa [ 84.055499] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 84.061037] ? lock_downgrade+0x860/0x860 [ 84.065484] ? ___might_sleep+0x16b/0x270 [ 84.070015] __should_failslab+0xba/0xf0 [ 84.074086] should_failslab+0x9/0x20 [ 84.078011] kmem_cache_alloc_trace+0x2cb/0x740 [ 84.086329] ? qfq_change_class+0xa93/0x14e0 [ 84.090847] ? qfq_change_class+0xa93/0x14e0 [ 84.095521] ? __local_bh_enable_ip+0x160/0x260 [ 84.100482] qfq_change_class+0xad9/0x14e0 [ 84.105015] ? qfq_delete_class+0x2d0/0x2d0 [ 84.109519] ? nla_parse+0x197/0x280 [ 84.113252] tc_ctl_tclass+0x3e9/0xba0 [ 84.117329] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 84.123032] ? find_held_lock+0x36/0x1d0 [ 84.127304] rtnetlink_rcv_msg+0x34f/0x8f0 [ 84.131537] ? rtnetlink_put_metrics+0x490/0x490 [ 84.136283] ? find_held_lock+0x36/0x1d0 [ 84.140371] netlink_rcv_skb+0x13e/0x3d0 [ 84.144507] ? lock_downgrade+0x860/0x860 [ 84.148643] ? rtnetlink_put_metrics+0x490/0x490 [ 84.153657] ? netlink_ack+0xa70/0xa70 [ 84.157530] ? netlink_deliver_tap+0x182/0xb00 [ 84.162220] rtnetlink_rcv+0x10/0x20 [ 84.165921] netlink_unicast+0x443/0x650 [ 84.169970] ? netlink_attachskb+0x6c0/0x6c0 [ 84.174537] ? _copy_from_iter_full+0x182/0x720 [ 84.179230] ? __check_object_size+0x1ef/0x310 [ 84.183995] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 84.189522] netlink_sendmsg+0x764/0xc60 [ 84.193834] ? netlink_unicast+0x650/0x650 [ 84.198247] ? apparmor_socket_sendmsg+0x1b/0x20 [ 84.203013] ? netlink_unicast+0x650/0x650 [ 84.207252] sock_sendmsg+0xb5/0xf0 [ 84.211254] ___sys_sendmsg+0x647/0x950 [ 84.215360] ? find_held_lock+0x36/0x1d0 [ 84.219502] ? copy_msghdr_from_user+0x430/0x430 [ 84.224241] ? __fget+0x278/0x400 [ 84.227922] ? kasan_check_read+0x11/0x20 [ 84.232065] ? __fget+0x295/0x400 [ 84.235538] ? expand_files.part.8+0x700/0x700 [ 84.240390] ? __f_unlock_pos+0xd/0x10 [ 84.244606] ? __fget_light+0x174/0x1e0 [ 84.248581] ? __fdget+0xe/0x10 [ 84.251872] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 84.257230] __sys_sendmsg+0xd9/0x180 [ 84.261017] ? __ia32_sys_shutdown+0x70/0x70 [ 84.265711] ? __sb_end_write+0xa4/0xd0 [ 84.269696] ? kasan_check_write+0x14/0x20 [ 84.274097] ? fput+0x18/0x120 [ 84.277283] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.282982] __x64_sys_sendmsg+0x73/0xb0 [ 84.287120] do_syscall_64+0xd0/0x4e0 [ 84.291043] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.296866] RIP: 0033:0x463d89 2021/04/24 20:06:59 executed programs: 112 [ 84.300194] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 84.320300] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.328378] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 84.336170] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 84.343811] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 84.351094] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 84.358640] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 84.369541] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 84.402201] FAULT_INJECTION: forcing a failure. [ 84.402201] name failslab, interval 1, probability 0, space 0, times 0 [ 84.415483] CPU: 0 PID: 8265 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 84.424309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.434006] Call Trace: [ 84.436990] dump_stack+0x123/0x171 [ 84.441034] should_fail.cold.4+0x5/0xa [ 84.445302] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 84.450492] ? lock_downgrade+0x860/0x860 [ 84.454848] ? ___might_sleep+0x16b/0x270 [ 84.459349] __should_failslab+0xba/0xf0 [ 84.464041] should_failslab+0x9/0x20 [ 84.468145] kmem_cache_alloc_trace+0x2cb/0x740 [ 84.472909] ? qfq_change_class+0xa93/0x14e0 [ 84.477613] ? qfq_change_class+0xa93/0x14e0 [ 84.482306] ? __local_bh_enable_ip+0x160/0x260 [ 84.487218] qfq_change_class+0xad9/0x14e0 [ 84.491720] ? qfq_delete_class+0x2d0/0x2d0 [ 84.496064] ? nla_parse+0x197/0x280 [ 84.499875] tc_ctl_tclass+0x3e9/0xba0 [ 84.503754] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 84.508853] ? find_held_lock+0x36/0x1d0 [ 84.512933] rtnetlink_rcv_msg+0x34f/0x8f0 [ 84.517280] ? rtnetlink_put_metrics+0x490/0x490 [ 84.522167] ? find_held_lock+0x36/0x1d0 [ 84.526385] netlink_rcv_skb+0x13e/0x3d0 [ 84.530792] ? lock_downgrade+0x860/0x860 [ 84.535042] ? rtnetlink_put_metrics+0x490/0x490 [ 84.540197] ? netlink_ack+0xa70/0xa70 [ 84.544174] ? netlink_deliver_tap+0x182/0xb00 [ 84.549195] rtnetlink_rcv+0x10/0x20 [ 84.553017] netlink_unicast+0x443/0x650 [ 84.557208] ? netlink_attachskb+0x6c0/0x6c0 [ 84.561680] ? _copy_from_iter_full+0x182/0x720 [ 84.566896] ? __check_object_size+0x1ef/0x310 [ 84.571568] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 84.577335] netlink_sendmsg+0x764/0xc60 [ 84.581437] ? netlink_unicast+0x650/0x650 [ 84.585776] ? apparmor_socket_sendmsg+0x1b/0x20 [ 84.591533] ? netlink_unicast+0x650/0x650 [ 84.596527] sock_sendmsg+0xb5/0xf0 [ 84.600416] ___sys_sendmsg+0x647/0x950 [ 84.604558] ? find_held_lock+0x36/0x1d0 [ 84.609095] ? copy_msghdr_from_user+0x430/0x430 [ 84.614023] ? __fget+0x278/0x400 [ 84.617601] ? kasan_check_read+0x11/0x20 [ 84.622433] ? __fget+0x295/0x400 [ 84.626111] ? expand_files.part.8+0x700/0x700 [ 84.631163] ? __f_unlock_pos+0xd/0x10 [ 84.635366] ? __fget_light+0x174/0x1e0 [ 84.640005] ? __fdget+0xe/0x10 [ 84.643562] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 84.648539] __sys_sendmsg+0xd9/0x180 [ 84.652528] ? __ia32_sys_shutdown+0x70/0x70 [ 84.657276] ? __sb_end_write+0xa4/0xd0 [ 84.661350] ? kasan_check_write+0x14/0x20 [ 84.665929] ? fput+0x18/0x120 [ 84.669142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.675037] __x64_sys_sendmsg+0x73/0xb0 [ 84.679495] do_syscall_64+0xd0/0x4e0 [ 84.683831] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.689264] RIP: 0033:0x463d89 [ 84.692550] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 84.711901] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.719694] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 84.727327] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 84.735248] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 84.742513] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 84.750138] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 84.759237] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 84.775316] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 84.798009] FAULT_INJECTION: forcing a failure. [ 84.798009] name failslab, interval 1, probability 0, space 0, times 0 [ 84.810497] CPU: 0 PID: 8271 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 84.818405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.828169] Call Trace: [ 84.830870] dump_stack+0x123/0x171 [ 84.834513] should_fail.cold.4+0x5/0xa [ 84.838608] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 84.843933] ? lock_downgrade+0x860/0x860 [ 84.848511] ? ___might_sleep+0x16b/0x270 [ 84.852939] __should_failslab+0xba/0xf0 [ 84.857089] should_failslab+0x9/0x20 [ 84.861248] kmem_cache_alloc_trace+0x2cb/0x740 [ 84.872339] ? qfq_change_class+0xa93/0x14e0 [ 84.877039] ? qfq_change_class+0xa93/0x14e0 [ 84.881623] ? __local_bh_enable_ip+0x160/0x260 [ 84.886475] qfq_change_class+0xad9/0x14e0 [ 84.890888] ? qfq_delete_class+0x2d0/0x2d0 [ 84.895446] ? nla_parse+0x197/0x280 [ 84.899160] tc_ctl_tclass+0x3e9/0xba0 [ 84.903148] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 84.908529] ? find_held_lock+0x36/0x1d0 [ 84.912610] rtnetlink_rcv_msg+0x34f/0x8f0 [ 84.916932] ? rtnetlink_put_metrics+0x490/0x490 [ 84.921935] ? find_held_lock+0x36/0x1d0 [ 84.926357] netlink_rcv_skb+0x13e/0x3d0 [ 84.930528] ? lock_downgrade+0x860/0x860 [ 84.934870] ? rtnetlink_put_metrics+0x490/0x490 [ 84.939895] ? netlink_ack+0xa70/0xa70 [ 84.943981] ? netlink_deliver_tap+0x182/0xb00 [ 84.948694] rtnetlink_rcv+0x10/0x20 [ 84.952522] netlink_unicast+0x443/0x650 [ 84.956579] ? netlink_attachskb+0x6c0/0x6c0 [ 84.961099] ? _copy_from_iter_full+0x182/0x720 [ 84.965787] ? __check_object_size+0x1ef/0x310 [ 84.970804] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 84.976336] netlink_sendmsg+0x764/0xc60 [ 84.980383] ? netlink_unicast+0x650/0x650 [ 84.984904] ? apparmor_socket_sendmsg+0x1b/0x20 [ 84.989691] ? netlink_unicast+0x650/0x650 [ 84.994041] sock_sendmsg+0xb5/0xf0 [ 84.997949] ___sys_sendmsg+0x647/0x950 [ 85.002001] ? find_held_lock+0x36/0x1d0 [ 85.006137] ? copy_msghdr_from_user+0x430/0x430 [ 85.011160] ? __fget+0x278/0x400 [ 85.014611] ? kasan_check_read+0x11/0x20 [ 85.018854] ? __fget+0x295/0x400 [ 85.022431] ? expand_files.part.8+0x700/0x700 [ 85.027085] ? __f_unlock_pos+0xd/0x10 [ 85.031214] ? __fget_light+0x174/0x1e0 [ 85.035177] ? __fdget+0xe/0x10 [ 85.038446] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 85.043279] __sys_sendmsg+0xd9/0x180 [ 85.047061] ? __ia32_sys_shutdown+0x70/0x70 [ 85.051754] ? __sb_end_write+0xa4/0xd0 [ 85.055986] ? kasan_check_write+0x14/0x20 [ 85.060334] ? fput+0x18/0x120 [ 85.063678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.069052] __x64_sys_sendmsg+0x73/0xb0 [ 85.073209] do_syscall_64+0xd0/0x4e0 [ 85.077003] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.082330] RIP: 0033:0x463d89 [ 85.085715] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.105723] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.113779] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 85.121163] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 85.128427] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 85.135984] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 85.143882] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 85.153912] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 85.170601] FAULT_INJECTION: forcing a failure. [ 85.170601] name failslab, interval 1, probability 0, space 0, times 0 [ 85.184276] CPU: 0 PID: 8282 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 85.192352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.201882] Call Trace: [ 85.204665] dump_stack+0x123/0x171 [ 85.208473] should_fail.cold.4+0x5/0xa [ 85.212801] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 85.218026] ? lock_downgrade+0x860/0x860 [ 85.222344] ? ___might_sleep+0x16b/0x270 [ 85.226659] __should_failslab+0xba/0xf0 [ 85.231000] should_failslab+0x9/0x20 [ 85.234932] kmem_cache_alloc_trace+0x2cb/0x740 [ 85.239901] ? qfq_change_class+0xa93/0x14e0 [ 85.244307] ? qfq_change_class+0xa93/0x14e0 [ 85.248877] ? __local_bh_enable_ip+0x160/0x260 [ 85.254055] qfq_change_class+0xad9/0x14e0 [ 85.258596] ? qfq_delete_class+0x2d0/0x2d0 [ 85.263446] ? nla_parse+0x197/0x280 [ 85.267176] tc_ctl_tclass+0x3e9/0xba0 [ 85.271228] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 85.276416] ? find_held_lock+0x36/0x1d0 [ 85.280747] rtnetlink_rcv_msg+0x34f/0x8f0 [ 85.285083] ? rtnetlink_put_metrics+0x490/0x490 [ 85.289925] ? find_held_lock+0x36/0x1d0 [ 85.293981] netlink_rcv_skb+0x13e/0x3d0 [ 85.298317] ? lock_downgrade+0x860/0x860 [ 85.302480] ? rtnetlink_put_metrics+0x490/0x490 [ 85.308836] ? netlink_ack+0xa70/0xa70 [ 85.313241] ? netlink_deliver_tap+0x182/0xb00 [ 85.318153] rtnetlink_rcv+0x10/0x20 [ 85.321891] netlink_unicast+0x443/0x650 [ 85.326325] ? netlink_attachskb+0x6c0/0x6c0 [ 85.330979] ? _copy_from_iter_full+0x182/0x720 [ 85.336017] ? __check_object_size+0x1ef/0x310 [ 85.340778] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 85.346332] netlink_sendmsg+0x764/0xc60 [ 85.350594] ? netlink_unicast+0x650/0x650 [ 85.355236] ? apparmor_socket_sendmsg+0x1b/0x20 [ 85.360198] ? netlink_unicast+0x650/0x650 [ 85.365260] sock_sendmsg+0xb5/0xf0 [ 85.368902] ___sys_sendmsg+0x647/0x950 [ 85.372871] ? find_held_lock+0x36/0x1d0 [ 85.376931] ? copy_msghdr_from_user+0x430/0x430 [ 85.382160] ? __fget+0x278/0x400 [ 85.386019] ? kasan_check_read+0x11/0x20 [ 85.390258] ? __fget+0x295/0x400 [ 85.393698] ? expand_files.part.8+0x700/0x700 [ 85.398688] ? __f_unlock_pos+0xd/0x10 [ 85.402578] ? __fget_light+0x174/0x1e0 [ 85.407053] ? __fdget+0xe/0x10 [ 85.410651] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 85.415483] __sys_sendmsg+0xd9/0x180 [ 85.419274] ? __ia32_sys_shutdown+0x70/0x70 [ 85.423690] ? __sb_end_write+0xa4/0xd0 [ 85.427667] ? kasan_check_write+0x14/0x20 [ 85.432071] ? fput+0x18/0x120 [ 85.435714] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.441222] __x64_sys_sendmsg+0x73/0xb0 [ 85.445455] do_syscall_64+0xd0/0x4e0 [ 85.449259] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.454666] RIP: 0033:0x463d89 [ 85.457848] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.477482] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.485665] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 85.493227] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 85.500588] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 85.508564] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 85.515838] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 85.525936] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 85.542307] FAULT_INJECTION: forcing a failure. [ 85.542307] name failslab, interval 1, probability 0, space 0, times 0 [ 85.557009] CPU: 0 PID: 8283 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 85.565794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.575395] Call Trace: [ 85.577989] dump_stack+0x123/0x171 [ 85.581626] should_fail.cold.4+0x5/0xa [ 85.585597] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 85.590703] ? lock_downgrade+0x860/0x860 [ 85.595227] ? ___might_sleep+0x16b/0x270 [ 85.599679] __should_failslab+0xba/0xf0 [ 85.603815] should_failslab+0x9/0x20 [ 85.607869] kmem_cache_alloc_trace+0x2cb/0x740 [ 85.612935] ? qfq_change_class+0xa93/0x14e0 [ 85.617357] ? qfq_change_class+0xa93/0x14e0 [ 85.622135] ? __local_bh_enable_ip+0x160/0x260 [ 85.626906] qfq_change_class+0xad9/0x14e0 [ 85.631431] ? qfq_delete_class+0x2d0/0x2d0 [ 85.636025] ? nla_parse+0x197/0x280 [ 85.639905] tc_ctl_tclass+0x3e9/0xba0 [ 85.643898] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 85.649112] ? find_held_lock+0x36/0x1d0 [ 85.653559] rtnetlink_rcv_msg+0x34f/0x8f0 [ 85.657815] ? rtnetlink_put_metrics+0x490/0x490 [ 85.662739] ? find_held_lock+0x36/0x1d0 [ 85.666900] netlink_rcv_skb+0x13e/0x3d0 [ 85.670953] ? lock_downgrade+0x860/0x860 [ 85.675195] ? rtnetlink_put_metrics+0x490/0x490 [ 85.680112] ? netlink_ack+0xa70/0xa70 [ 85.684216] ? netlink_deliver_tap+0x182/0xb00 [ 85.688885] rtnetlink_rcv+0x10/0x20 [ 85.692640] netlink_unicast+0x443/0x650 [ 85.696865] ? netlink_attachskb+0x6c0/0x6c0 [ 85.701501] ? _copy_from_iter_full+0x182/0x720 [ 85.706282] ? __check_object_size+0x1ef/0x310 [ 85.711278] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 85.717331] netlink_sendmsg+0x764/0xc60 [ 85.721390] ? netlink_unicast+0x650/0x650 [ 85.725801] ? apparmor_socket_sendmsg+0x1b/0x20 [ 85.730782] ? netlink_unicast+0x650/0x650 [ 85.735096] sock_sendmsg+0xb5/0xf0 [ 85.738735] ___sys_sendmsg+0x647/0x950 [ 85.742793] ? find_held_lock+0x36/0x1d0 [ 85.746857] ? copy_msghdr_from_user+0x430/0x430 [ 85.751610] ? __fget+0x278/0x400 [ 85.755412] ? kasan_check_read+0x11/0x20 [ 85.759812] ? __fget+0x295/0x400 [ 85.764144] ? expand_files.part.8+0x700/0x700 [ 85.768724] ? __f_unlock_pos+0xd/0x10 [ 85.772723] ? __fget_light+0x174/0x1e0 [ 85.776904] ? __fdget+0xe/0x10 [ 85.780612] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 85.786363] __sys_sendmsg+0xd9/0x180 [ 85.790304] ? __ia32_sys_shutdown+0x70/0x70 [ 85.794721] ? __sb_end_write+0xa4/0xd0 [ 85.798878] ? kasan_check_write+0x14/0x20 [ 85.803517] ? fput+0x18/0x120 [ 85.807030] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.812576] __x64_sys_sendmsg+0x73/0xb0 [ 85.816804] do_syscall_64+0xd0/0x4e0 [ 85.820695] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.826089] RIP: 0033:0x463d89 [ 85.829584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.849610] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.857492] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 85.865291] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 85.873351] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 85.882490] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 85.890238] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 85.899875] FAULT_INJECTION: forcing a failure. [ 85.899875] name failslab, interval 1, probability 0, space 0, times 0 [ 85.911795] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 85.913320] CPU: 0 PID: 8293 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 85.928634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.938922] Call Trace: [ 85.941901] dump_stack+0x123/0x171 [ 85.945626] should_fail.cold.4+0x5/0xa [ 85.949606] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 85.954993] __should_failslab+0xba/0xf0 [ 85.959178] should_failslab+0x9/0x20 [ 85.961716] FAULT_INJECTION: forcing a failure. [ 85.961716] name failslab, interval 1, probability 0, space 0, times 0 [ 85.963261] kmem_cache_alloc+0x47/0x720 [ 85.963271] ? lock_acquire+0x173/0x3d0 [ 85.963282] skb_clone+0x115/0x340 [ 85.963292] netlink_deliver_tap+0x7d7/0xb00 [ 85.963305] __netlink_sendskb+0x62/0xc0 [ 85.963312] netlink_unicast+0x4ea/0x650 [ 85.963321] ? netlink_attachskb+0x6c0/0x6c0 [ 85.963333] netlink_ack+0x519/0xa70 [ 86.009049] ? netlink_sendmsg+0xc60/0xc60 [ 86.013726] ? find_held_lock+0x36/0x1d0 [ 86.017966] netlink_rcv_skb+0x2a8/0x3d0 [ 86.022471] ? lock_downgrade+0x860/0x860 [ 86.026629] ? rtnetlink_put_metrics+0x490/0x490 [ 86.031396] ? netlink_ack+0xa70/0xa70 [ 86.035623] ? netlink_deliver_tap+0x182/0xb00 [ 86.040732] rtnetlink_rcv+0x10/0x20 [ 86.044540] netlink_unicast+0x443/0x650 [ 86.048593] ? netlink_attachskb+0x6c0/0x6c0 [ 86.053182] ? _copy_from_iter_full+0x182/0x720 [ 86.057839] ? __check_object_size+0x1ef/0x310 [ 86.062596] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 86.069569] netlink_sendmsg+0x764/0xc60 [ 86.073632] ? netlink_unicast+0x650/0x650 [ 86.078218] ? apparmor_socket_sendmsg+0x1b/0x20 [ 86.082991] ? netlink_unicast+0x650/0x650 [ 86.087485] sock_sendmsg+0xb5/0xf0 [ 86.091216] ___sys_sendmsg+0x647/0x950 [ 86.095425] ? find_held_lock+0x36/0x1d0 [ 86.099570] ? copy_msghdr_from_user+0x430/0x430 [ 86.104435] ? __fget+0x278/0x400 [ 86.107962] ? kasan_check_read+0x11/0x20 [ 86.112184] ? __fget+0x295/0x400 [ 86.115971] ? expand_files.part.8+0x700/0x700 [ 86.120722] ? __f_unlock_pos+0xd/0x10 [ 86.124776] ? __fget_light+0x174/0x1e0 [ 86.128736] ? __fdget+0xe/0x10 [ 86.132111] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 86.137492] __sys_sendmsg+0xd9/0x180 [ 86.141461] ? __ia32_sys_shutdown+0x70/0x70 [ 86.146490] ? __sb_end_write+0xa4/0xd0 [ 86.150668] ? kasan_check_write+0x14/0x20 [ 86.155243] ? fput+0x18/0x120 [ 86.158432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.164165] __x64_sys_sendmsg+0x73/0xb0 [ 86.168680] do_syscall_64+0xd0/0x4e0 [ 86.172767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.178118] RIP: 0033:0x463d89 [ 86.181311] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.200666] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.208629] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 86.216304] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 86.223737] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 86.231370] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 86.239086] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 86.246745] CPU: 1 PID: 8303 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 86.254632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.264426] Call Trace: [ 86.267172] dump_stack+0x123/0x171 [ 86.271027] should_fail.cold.4+0x5/0xa [ 86.275247] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 86.280654] ? lock_downgrade+0x860/0x860 [ 86.284881] ? ___might_sleep+0x16b/0x270 [ 86.289020] __should_failslab+0xba/0xf0 [ 86.293254] should_failslab+0x9/0x20 [ 86.297373] kmem_cache_alloc_trace+0x2cb/0x740 [ 86.302119] ? qfq_change_class+0xa93/0x14e0 [ 86.306800] ? qfq_change_class+0xa93/0x14e0 [ 86.311394] ? __local_bh_enable_ip+0x160/0x260 [ 86.316297] qfq_change_class+0xad9/0x14e0 [ 86.320629] ? qfq_delete_class+0x2d0/0x2d0 [ 86.325319] ? nla_parse+0x197/0x280 [ 86.329125] tc_ctl_tclass+0x3e9/0xba0 [ 86.333159] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 86.338350] ? find_held_lock+0x36/0x1d0 [ 86.342403] rtnetlink_rcv_msg+0x34f/0x8f0 [ 86.346640] ? rtnetlink_put_metrics+0x490/0x490 [ 86.351660] ? find_held_lock+0x36/0x1d0 [ 86.355909] netlink_rcv_skb+0x13e/0x3d0 [ 86.360316] ? lock_downgrade+0x860/0x860 [ 86.365585] ? rtnetlink_put_metrics+0x490/0x490 [ 86.371234] ? netlink_ack+0xa70/0xa70 [ 86.375433] ? netlink_deliver_tap+0x182/0xb00 [ 86.380583] rtnetlink_rcv+0x10/0x20 [ 86.384664] netlink_unicast+0x443/0x650 [ 86.389346] ? netlink_attachskb+0x6c0/0x6c0 [ 86.394903] ? _copy_from_iter_full+0x182/0x720 [ 86.400017] ? __check_object_size+0x1ef/0x310 [ 86.404680] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 86.410316] netlink_sendmsg+0x764/0xc60 [ 86.415170] ? netlink_unicast+0x650/0x650 [ 86.419769] ? apparmor_socket_sendmsg+0x1b/0x20 [ 86.424938] ? netlink_unicast+0x650/0x650 [ 86.429173] sock_sendmsg+0xb5/0xf0 [ 86.432810] ___sys_sendmsg+0x647/0x950 [ 86.437248] ? find_held_lock+0x36/0x1d0 [ 86.441321] ? copy_msghdr_from_user+0x430/0x430 [ 86.446234] ? __fget+0x278/0x400 [ 86.449703] ? kasan_check_read+0x11/0x20 [ 86.453948] ? __fget+0x295/0x400 [ 86.457756] ? expand_files.part.8+0x700/0x700 [ 86.462624] ? __f_unlock_pos+0xd/0x10 [ 86.466945] ? __fget_light+0x174/0x1e0 [ 86.471134] ? __fdget+0xe/0x10 [ 86.474558] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 86.479592] __sys_sendmsg+0xd9/0x180 [ 86.483568] ? __ia32_sys_shutdown+0x70/0x70 [ 86.488095] ? __sb_end_write+0xa4/0xd0 [ 86.492186] ? kasan_check_write+0x14/0x20 [ 86.496731] ? fput+0x18/0x120 [ 86.500106] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.505655] __x64_sys_sendmsg+0x73/0xb0 [ 86.509925] do_syscall_64+0xd0/0x4e0 [ 86.513986] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.519662] RIP: 0033:0x463d89 [ 86.523093] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.542213] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.550168] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 86.557518] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 86.564923] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 86.572538] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 86.580133] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 86.590185] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 86.607326] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 86.628803] FAULT_INJECTION: forcing a failure. [ 86.628803] name failslab, interval 1, probability 0, space 0, times 0 [ 86.646794] CPU: 1 PID: 8326 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 86.654621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.664534] Call Trace: [ 86.667214] dump_stack+0x123/0x171 [ 86.671110] should_fail.cold.4+0x5/0xa [ 86.675096] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 86.680202] ? lock_downgrade+0x860/0x860 [ 86.684780] ? ___might_sleep+0x16b/0x270 [ 86.688934] __should_failslab+0xba/0xf0 [ 86.693143] should_failslab+0x9/0x20 [ 86.696949] kmem_cache_alloc_trace+0x2cb/0x740 [ 86.701693] ? qfq_change_class+0xa93/0x14e0 [ 86.706368] ? qfq_change_class+0xa93/0x14e0 [ 86.710959] ? __local_bh_enable_ip+0x160/0x260 [ 86.715894] qfq_change_class+0xad9/0x14e0 [ 86.720202] ? qfq_delete_class+0x2d0/0x2d0 [ 86.724699] ? nla_parse+0x197/0x280 [ 86.728716] tc_ctl_tclass+0x3e9/0xba0 [ 86.732836] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 86.738215] ? find_held_lock+0x36/0x1d0 [ 86.742589] rtnetlink_rcv_msg+0x34f/0x8f0 [ 86.746984] ? rtnetlink_put_metrics+0x490/0x490 [ 86.752038] ? find_held_lock+0x36/0x1d0 [ 86.756766] netlink_rcv_skb+0x13e/0x3d0 [ 86.761845] ? lock_downgrade+0x860/0x860 [ 86.766075] ? rtnetlink_put_metrics+0x490/0x490 [ 86.770914] ? netlink_ack+0xa70/0xa70 [ 86.774800] ? netlink_deliver_tap+0x182/0xb00 [ 86.779678] rtnetlink_rcv+0x10/0x20 [ 86.783532] netlink_unicast+0x443/0x650 [ 86.788254] ? netlink_attachskb+0x6c0/0x6c0 [ 86.792667] ? _copy_from_iter_full+0x182/0x720 [ 86.797493] ? __check_object_size+0x1ef/0x310 [ 86.802115] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 86.807834] netlink_sendmsg+0x764/0xc60 [ 86.812065] ? netlink_unicast+0x650/0x650 [ 86.816310] ? apparmor_socket_sendmsg+0x1b/0x20 [ 86.821334] ? netlink_unicast+0x650/0x650 [ 86.825705] sock_sendmsg+0xb5/0xf0 [ 86.829455] ___sys_sendmsg+0x647/0x950 [ 86.833529] ? find_held_lock+0x36/0x1d0 [ 86.837674] ? copy_msghdr_from_user+0x430/0x430 [ 86.842726] ? __fget+0x278/0x400 [ 86.846263] ? kasan_check_read+0x11/0x20 [ 86.850635] ? __fget+0x295/0x400 [ 86.854461] ? expand_files.part.8+0x700/0x700 [ 86.859418] ? __f_unlock_pos+0xd/0x10 [ 86.863779] ? __fget_light+0x174/0x1e0 [ 86.868126] ? __fdget+0xe/0x10 [ 86.871601] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 86.876999] __sys_sendmsg+0xd9/0x180 [ 86.880815] ? __ia32_sys_shutdown+0x70/0x70 [ 86.885226] ? __sb_end_write+0xa4/0xd0 [ 86.889414] ? kasan_check_write+0x14/0x20 [ 86.893850] ? fput+0x18/0x120 [ 86.897465] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.902990] __x64_sys_sendmsg+0x73/0xb0 [ 86.907492] do_syscall_64+0xd0/0x4e0 [ 86.911298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.916631] RIP: 0033:0x463d89 [ 86.919814] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.940391] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.948405] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 86.955825] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 86.963562] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 86.971581] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 86.979166] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 87.001431] FAULT_INJECTION: forcing a failure. [ 87.001431] name failslab, interval 1, probability 0, space 0, times 0 [ 87.019352] CPU: 1 PID: 8327 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 87.027959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.038114] Call Trace: [ 87.040742] dump_stack+0x123/0x171 [ 87.045083] should_fail.cold.4+0x5/0xa [ 87.049250] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 87.054438] ? lock_downgrade+0x860/0x860 [ 87.058736] ? ___might_sleep+0x16b/0x270 [ 87.062880] __should_failslab+0xba/0xf0 [ 87.067279] should_failslab+0x9/0x20 [ 87.071118] kmem_cache_alloc_trace+0x2cb/0x740 [ 87.076146] ? qfq_change_class+0xa93/0x14e0 [ 87.080852] ? qfq_change_class+0xa93/0x14e0 [ 87.085448] ? __local_bh_enable_ip+0x160/0x260 [ 87.090272] qfq_change_class+0xad9/0x14e0 [ 87.094527] ? qfq_delete_class+0x2d0/0x2d0 [ 87.099105] ? nla_parse+0x197/0x280 [ 87.102806] tc_ctl_tclass+0x3e9/0xba0 [ 87.106707] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 87.112276] ? find_held_lock+0x36/0x1d0 [ 87.116725] rtnetlink_rcv_msg+0x34f/0x8f0 [ 87.121231] ? rtnetlink_put_metrics+0x490/0x490 [ 87.126238] ? find_held_lock+0x36/0x1d0 [ 87.130409] netlink_rcv_skb+0x13e/0x3d0 [ 87.134550] ? lock_downgrade+0x860/0x860 [ 87.138729] ? rtnetlink_put_metrics+0x490/0x490 [ 87.143493] ? netlink_ack+0xa70/0xa70 [ 87.147762] ? netlink_deliver_tap+0x182/0xb00 [ 87.152516] rtnetlink_rcv+0x10/0x20 [ 87.156444] netlink_unicast+0x443/0x650 [ 87.160967] ? netlink_attachskb+0x6c0/0x6c0 [ 87.165414] ? _copy_from_iter_full+0x182/0x720 [ 87.170346] ? __check_object_size+0x1ef/0x310 [ 87.175101] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 87.180738] netlink_sendmsg+0x764/0xc60 [ 87.184802] ? netlink_unicast+0x650/0x650 [ 87.189118] ? apparmor_socket_sendmsg+0x1b/0x20 [ 87.193878] ? netlink_unicast+0x650/0x650 [ 87.198135] sock_sendmsg+0xb5/0xf0 [ 87.201997] ___sys_sendmsg+0x647/0x950 [ 87.205984] ? find_held_lock+0x36/0x1d0 [ 87.210257] ? copy_msghdr_from_user+0x430/0x430 [ 87.215095] ? __fget+0x278/0x400 [ 87.218925] ? kasan_check_read+0x11/0x20 [ 87.223069] ? __fget+0x295/0x400 [ 87.226800] ? expand_files.part.8+0x700/0x700 [ 87.231989] ? __f_unlock_pos+0xd/0x10 [ 87.236063] ? __fget_light+0x174/0x1e0 [ 87.240031] ? __fdget+0xe/0x10 [ 87.243778] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 87.248815] __sys_sendmsg+0xd9/0x180 [ 87.253388] ? __ia32_sys_shutdown+0x70/0x70 [ 87.257971] ? __sb_end_write+0xa4/0xd0 [ 87.262201] ? kasan_check_write+0x14/0x20 [ 87.266993] ? fput+0x18/0x120 [ 87.270527] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.276272] __x64_sys_sendmsg+0x73/0xb0 [ 87.280943] do_syscall_64+0xd0/0x4e0 [ 87.284852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.290521] RIP: 0033:0x463d89 [ 87.293730] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.313875] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.322830] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 87.331201] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 87.340343] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 87.348171] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 87.355483] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 87.378956] FAULT_INJECTION: forcing a failure. [ 87.378956] name failslab, interval 1, probability 0, space 0, times 0 [ 87.394983] CPU: 1 PID: 8337 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 87.403149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.412681] Call Trace: [ 87.415284] dump_stack+0x123/0x171 [ 87.419045] should_fail.cold.4+0x5/0xa [ 87.423092] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 87.428605] ? lock_downgrade+0x860/0x860 [ 87.432784] ? ___might_sleep+0x16b/0x270 [ 87.437135] __should_failslab+0xba/0xf0 [ 87.441474] should_failslab+0x9/0x20 [ 87.445388] kmem_cache_alloc_trace+0x2cb/0x740 [ 87.450069] ? qfq_change_class+0xa93/0x14e0 [ 87.454894] ? qfq_change_class+0xa93/0x14e0 [ 87.461051] ? __local_bh_enable_ip+0x160/0x260 [ 87.465918] qfq_change_class+0xad9/0x14e0 [ 87.470464] ? qfq_delete_class+0x2d0/0x2d0 [ 87.474804] ? nla_parse+0x197/0x280 [ 87.478534] tc_ctl_tclass+0x3e9/0xba0 [ 87.482549] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 87.487785] ? find_held_lock+0x36/0x1d0 [ 87.491936] rtnetlink_rcv_msg+0x34f/0x8f0 [ 87.496402] ? rtnetlink_put_metrics+0x490/0x490 [ 87.501539] ? find_held_lock+0x36/0x1d0 [ 87.505703] netlink_rcv_skb+0x13e/0x3d0 [ 87.509761] ? lock_downgrade+0x860/0x860 [ 87.514080] ? rtnetlink_put_metrics+0x490/0x490 [ 87.519469] ? netlink_ack+0xa70/0xa70 [ 87.523790] ? netlink_deliver_tap+0x182/0xb00 [ 87.529237] rtnetlink_rcv+0x10/0x20 [ 87.533175] netlink_unicast+0x443/0x650 [ 87.538022] ? netlink_attachskb+0x6c0/0x6c0 [ 87.542537] ? _copy_from_iter_full+0x182/0x720 [ 87.547763] ? __check_object_size+0x1ef/0x310 [ 87.552619] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 87.558760] netlink_sendmsg+0x764/0xc60 [ 87.564667] ? netlink_unicast+0x650/0x650 [ 87.569608] ? apparmor_socket_sendmsg+0x1b/0x20 [ 87.574886] ? netlink_unicast+0x650/0x650 [ 87.579436] sock_sendmsg+0xb5/0xf0 [ 87.583980] ___sys_sendmsg+0x647/0x950 [ 87.588352] ? find_held_lock+0x36/0x1d0 [ 87.592576] ? copy_msghdr_from_user+0x430/0x430 [ 87.597905] ? __fget+0x278/0x400 [ 87.601466] ? kasan_check_read+0x11/0x20 [ 87.605696] ? __fget+0x295/0x400 [ 87.609153] ? expand_files.part.8+0x700/0x700 [ 87.613730] ? __f_unlock_pos+0xd/0x10 [ 87.617608] ? __fget_light+0x174/0x1e0 [ 87.621791] ? __fdget+0xe/0x10 [ 87.625359] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 87.630356] __sys_sendmsg+0xd9/0x180 [ 87.634417] ? __ia32_sys_shutdown+0x70/0x70 [ 87.639492] ? __sb_end_write+0xa4/0xd0 [ 87.643472] ? kasan_check_write+0x14/0x20 [ 87.647915] ? fput+0x18/0x120 [ 87.651126] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.656667] __x64_sys_sendmsg+0x73/0xb0 [ 87.661138] do_syscall_64+0xd0/0x4e0 [ 87.665108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.670375] RIP: 0033:0x463d89 [ 87.673647] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.694609] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.703203] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 87.710910] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 87.718654] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 87.726125] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 87.733593] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 87.754722] FAULT_INJECTION: forcing a failure. [ 87.754722] name failslab, interval 1, probability 0, space 0, times 0 [ 87.774605] CPU: 0 PID: 8347 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 87.783075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.792521] Call Trace: [ 87.795175] dump_stack+0x123/0x171 [ 87.799001] should_fail.cold.4+0x5/0xa [ 87.803099] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 87.808421] ? lock_downgrade+0x860/0x860 [ 87.813011] ? ___might_sleep+0x16b/0x270 [ 87.817334] __should_failslab+0xba/0xf0 [ 87.821496] should_failslab+0x9/0x20 [ 87.825595] kmem_cache_alloc_trace+0x2cb/0x740 [ 87.830262] ? qfq_change_class+0xa93/0x14e0 [ 87.835015] ? qfq_change_class+0xa93/0x14e0 [ 87.839560] ? __local_bh_enable_ip+0x160/0x260 [ 87.844226] qfq_change_class+0xad9/0x14e0 [ 87.848794] ? qfq_delete_class+0x2d0/0x2d0 [ 87.853524] ? nla_parse+0x197/0x280 [ 87.857527] tc_ctl_tclass+0x3e9/0xba0 [ 87.861714] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 87.867738] ? find_held_lock+0x36/0x1d0 [ 87.872297] rtnetlink_rcv_msg+0x34f/0x8f0 [ 87.876674] ? rtnetlink_put_metrics+0x490/0x490 [ 87.881666] ? find_held_lock+0x36/0x1d0 [ 87.886258] netlink_rcv_skb+0x13e/0x3d0 [ 87.890787] ? lock_downgrade+0x860/0x860 [ 87.895625] ? rtnetlink_put_metrics+0x490/0x490 [ 87.900828] ? netlink_ack+0xa70/0xa70 [ 87.905184] ? netlink_deliver_tap+0x182/0xb00 [ 87.910026] rtnetlink_rcv+0x10/0x20 [ 87.913777] netlink_unicast+0x443/0x650 [ 87.918071] ? netlink_attachskb+0x6c0/0x6c0 [ 87.922579] ? _copy_from_iter_full+0x182/0x720 [ 87.927417] ? __check_object_size+0x1ef/0x310 [ 87.932113] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 87.938743] netlink_sendmsg+0x764/0xc60 [ 87.942809] ? netlink_unicast+0x650/0x650 [ 87.947954] ? apparmor_socket_sendmsg+0x1b/0x20 [ 87.952799] ? netlink_unicast+0x650/0x650 [ 87.957233] sock_sendmsg+0xb5/0xf0 [ 87.960860] ___sys_sendmsg+0x647/0x950 [ 87.964931] ? find_held_lock+0x36/0x1d0 [ 87.969085] ? copy_msghdr_from_user+0x430/0x430 [ 87.974063] ? __fget+0x278/0x400 [ 87.977625] ? kasan_check_read+0x11/0x20 [ 87.981954] ? __fget+0x295/0x400 [ 87.985598] ? expand_files.part.8+0x700/0x700 [ 87.990266] ? __f_unlock_pos+0xd/0x10 [ 87.994174] ? __fget_light+0x174/0x1e0 [ 87.998324] ? __fdget+0xe/0x10 [ 88.001717] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 88.006843] __sys_sendmsg+0xd9/0x180 [ 88.010729] ? __ia32_sys_shutdown+0x70/0x70 [ 88.015240] ? __sb_end_write+0xa4/0xd0 [ 88.019312] ? kasan_check_write+0x14/0x20 [ 88.023838] ? fput+0x18/0x120 [ 88.027206] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.033072] __x64_sys_sendmsg+0x73/0xb0 [ 88.037140] do_syscall_64+0xd0/0x4e0 [ 88.041085] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.046697] RIP: 0033:0x463d89 [ 88.050102] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.070681] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.078473] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 88.086014] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 88.093410] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 88.100878] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 88.108747] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 88.135186] FAULT_INJECTION: forcing a failure. [ 88.135186] name failslab, interval 1, probability 0, space 0, times 0 [ 88.140678] FAULT_INJECTION: forcing a failure. [ 88.140678] name failslab, interval 1, probability 0, space 0, times 0 [ 88.160176] CPU: 1 PID: 8364 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 88.168768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.178599] Call Trace: [ 88.181353] dump_stack+0x123/0x171 [ 88.185085] should_fail.cold.4+0x5/0xa [ 88.189839] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 88.195192] __should_failslab+0xba/0xf0 [ 88.199502] should_failslab+0x9/0x20 [ 88.203699] kmem_cache_alloc+0x47/0x720 [ 88.208168] ? lock_acquire+0x173/0x3d0 [ 88.212560] skb_clone+0x115/0x340 [ 88.216606] netlink_deliver_tap+0x7d7/0xb00 [ 88.221086] __netlink_sendskb+0x62/0xc0 [ 88.225655] netlink_unicast+0x4ea/0x650 [ 88.229699] ? netlink_attachskb+0x6c0/0x6c0 [ 88.234201] netlink_ack+0x519/0xa70 [ 88.237900] ? netlink_sendmsg+0xc60/0xc60 [ 88.242115] ? find_held_lock+0x36/0x1d0 [ 88.246334] netlink_rcv_skb+0x2a8/0x3d0 [ 88.250382] ? lock_downgrade+0x860/0x860 [ 88.254604] ? rtnetlink_put_metrics+0x490/0x490 [ 88.259342] ? netlink_ack+0xa70/0xa70 [ 88.264012] ? netlink_deliver_tap+0x182/0xb00 [ 88.269246] rtnetlink_rcv+0x10/0x20 [ 88.272972] netlink_unicast+0x443/0x650 [ 88.277260] ? netlink_attachskb+0x6c0/0x6c0 [ 88.282333] ? _copy_from_iter_full+0x182/0x720 [ 88.287266] ? __check_object_size+0x1ef/0x310 [ 88.292022] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 88.297781] netlink_sendmsg+0x764/0xc60 [ 88.302484] ? netlink_unicast+0x650/0x650 [ 88.306894] ? apparmor_socket_sendmsg+0x1b/0x20 [ 88.311905] ? netlink_unicast+0x650/0x650 [ 88.316125] sock_sendmsg+0xb5/0xf0 [ 88.319765] ___sys_sendmsg+0x647/0x950 [ 88.323730] ? find_held_lock+0x36/0x1d0 [ 88.327958] ? copy_msghdr_from_user+0x430/0x430 [ 88.332709] ? __fget+0x278/0x400 [ 88.336498] ? kasan_check_read+0x11/0x20 [ 88.340838] ? __fget+0x295/0x400 [ 88.344592] ? expand_files.part.8+0x700/0x700 [ 88.349689] ? __f_unlock_pos+0xd/0x10 [ 88.354141] ? __fget_light+0x174/0x1e0 [ 88.358193] ? __fdget+0xe/0x10 [ 88.362476] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 88.368065] __sys_sendmsg+0xd9/0x180 [ 88.375014] ? __ia32_sys_shutdown+0x70/0x70 [ 88.381080] ? __sb_end_write+0xa4/0xd0 [ 88.385431] ? kasan_check_write+0x14/0x20 [ 88.390033] ? fput+0x18/0x120 [ 88.393307] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.399099] __x64_sys_sendmsg+0x73/0xb0 [ 88.403332] do_syscall_64+0xd0/0x4e0 [ 88.407249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.412699] RIP: 0033:0x463d89 [ 88.416166] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.435774] RSP: 002b:00007f2a0169e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.443688] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 88.451987] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 88.459330] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 88.466672] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 88.473922] R13: 00007f2a0169e6bc R14: 0000000000000009 R15: 0000000000000001 [ 88.481466] CPU: 0 PID: 8371 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 88.489889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.499850] Call Trace: [ 88.502890] dump_stack+0x123/0x171 [ 88.506522] should_fail.cold.4+0x5/0xa [ 88.510505] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 88.515788] ? lock_downgrade+0x860/0x860 [ 88.519935] ? ___might_sleep+0x16b/0x270 [ 88.524086] __should_failslab+0xba/0xf0 [ 88.528192] should_failslab+0x9/0x20 [ 88.532080] kmem_cache_alloc_trace+0x2cb/0x740 [ 88.536840] ? qfq_change_class+0xa93/0x14e0 [ 88.541605] ? qfq_change_class+0xa93/0x14e0 [ 88.546016] ? __local_bh_enable_ip+0x160/0x260 [ 88.550687] qfq_change_class+0xad9/0x14e0 [ 88.554927] ? qfq_delete_class+0x2d0/0x2d0 [ 88.559511] ? nla_parse+0x197/0x280 [ 88.563465] tc_ctl_tclass+0x3e9/0xba0 [ 88.567451] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 88.572987] ? find_held_lock+0x36/0x1d0 [ 88.577434] rtnetlink_rcv_msg+0x34f/0x8f0 [ 88.582029] ? rtnetlink_put_metrics+0x490/0x490 [ 88.587408] ? find_held_lock+0x36/0x1d0 [ 88.591566] netlink_rcv_skb+0x13e/0x3d0 [ 88.595971] ? lock_downgrade+0x860/0x860 [ 88.600298] ? rtnetlink_put_metrics+0x490/0x490 [ 88.605045] ? netlink_ack+0xa70/0xa70 [ 88.609111] ? netlink_deliver_tap+0x182/0xb00 [ 88.613954] rtnetlink_rcv+0x10/0x20 [ 88.617817] netlink_unicast+0x443/0x650 [ 88.622081] ? netlink_attachskb+0x6c0/0x6c0 [ 88.626728] ? _copy_from_iter_full+0x182/0x720 [ 88.631817] ? __check_object_size+0x1ef/0x310 [ 88.636805] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 88.642632] netlink_sendmsg+0x764/0xc60 [ 88.646871] ? netlink_unicast+0x650/0x650 [ 88.651195] ? apparmor_socket_sendmsg+0x1b/0x20 [ 88.656072] ? netlink_unicast+0x650/0x650 [ 88.660595] sock_sendmsg+0xb5/0xf0 [ 88.664309] ___sys_sendmsg+0x647/0x950 [ 88.668315] ? find_held_lock+0x36/0x1d0 [ 88.672688] ? copy_msghdr_from_user+0x430/0x430 [ 88.677431] ? __fget+0x278/0x400 [ 88.681075] ? kasan_check_read+0x11/0x20 [ 88.685346] ? __fget+0x295/0x400 [ 88.688888] ? expand_files.part.8+0x700/0x700 [ 88.693877] ? __f_unlock_pos+0xd/0x10 [ 88.697895] ? __fget_light+0x174/0x1e0 [ 88.702067] ? __fdget+0xe/0x10 [ 88.705453] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 88.710285] __sys_sendmsg+0xd9/0x180 [ 88.714082] ? __ia32_sys_shutdown+0x70/0x70 [ 88.718857] ? __sb_end_write+0xa4/0xd0 [ 88.722941] ? kasan_check_write+0x14/0x20 [ 88.727407] ? fput+0x18/0x120 [ 88.730783] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.736373] __x64_sys_sendmsg+0x73/0xb0 [ 88.740423] do_syscall_64+0xd0/0x4e0 [ 88.744385] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.749832] RIP: 0033:0x463d89 [ 88.753020] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.772669] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.780453] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 88.788005] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 88.795561] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 88.802906] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 88.810273] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 88.819242] FAULT_INJECTION: forcing a failure. [ 88.819242] name failslab, interval 1, probability 0, space 0, times 0 [ 88.832718] CPU: 0 PID: 8372 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 88.840737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.850093] Call Trace: [ 88.852773] dump_stack+0x123/0x171 [ 88.856531] should_fail.cold.4+0x5/0xa [ 88.860736] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 88.865940] ? lock_downgrade+0x860/0x860 [ 88.870199] ? ___might_sleep+0x16b/0x270 [ 88.874360] __should_failslab+0xba/0xf0 [ 88.878430] should_failslab+0x9/0x20 [ 88.882753] kmem_cache_alloc_trace+0x2cb/0x740 [ 88.887614] ? qfq_change_class+0xa93/0x14e0 [ 88.892100] ? qfq_change_class+0xa93/0x14e0 [ 88.896534] ? __local_bh_enable_ip+0x160/0x260 [ 88.901279] qfq_change_class+0xad9/0x14e0 [ 88.905511] ? qfq_delete_class+0x2d0/0x2d0 [ 88.909836] ? nla_parse+0x197/0x280 [ 88.913701] tc_ctl_tclass+0x3e9/0xba0 [ 88.917794] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 88.923357] ? find_held_lock+0x36/0x1d0 [ 88.927652] rtnetlink_rcv_msg+0x34f/0x8f0 [ 88.932052] ? rtnetlink_put_metrics+0x490/0x490 [ 88.936984] ? find_held_lock+0x36/0x1d0 [ 88.941317] netlink_rcv_skb+0x13e/0x3d0 [ 88.945366] ? lock_downgrade+0x860/0x860 [ 88.949502] ? rtnetlink_put_metrics+0x490/0x490 [ 88.954248] ? netlink_ack+0xa70/0xa70 [ 88.958537] ? netlink_deliver_tap+0x182/0xb00 [ 88.963226] rtnetlink_rcv+0x10/0x20 [ 88.966955] netlink_unicast+0x443/0x650 [ 88.971212] ? netlink_attachskb+0x6c0/0x6c0 [ 88.975730] ? _copy_from_iter_full+0x182/0x720 [ 88.980749] ? __check_object_size+0x1ef/0x310 [ 88.985356] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 88.990900] netlink_sendmsg+0x764/0xc60 [ 88.994960] ? netlink_unicast+0x650/0x650 [ 89.000057] ? apparmor_socket_sendmsg+0x1b/0x20 [ 89.005017] ? netlink_unicast+0x650/0x650 [ 89.009371] sock_sendmsg+0xb5/0xf0 [ 89.013308] ___sys_sendmsg+0x647/0x950 [ 89.017376] ? find_held_lock+0x36/0x1d0 [ 89.021521] ? copy_msghdr_from_user+0x430/0x430 [ 89.026622] ? __fget+0x278/0x400 [ 89.030081] ? kasan_check_read+0x11/0x20 [ 89.034321] ? __fget+0x295/0x400 [ 89.037776] ? expand_files.part.8+0x700/0x700 [ 89.042576] ? __f_unlock_pos+0xd/0x10 [ 89.046824] ? __fget_light+0x174/0x1e0 [ 89.051012] ? __fdget+0xe/0x10 [ 89.054725] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 89.060100] __sys_sendmsg+0xd9/0x180 [ 89.064405] ? __ia32_sys_shutdown+0x70/0x70 [ 89.068905] ? __sb_end_write+0xa4/0xd0 [ 89.072909] ? kasan_check_write+0x14/0x20 [ 89.077317] ? fput+0x18/0x120 [ 89.080754] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.086299] __x64_sys_sendmsg+0x73/0xb0 [ 89.090375] do_syscall_64+0xd0/0x4e0 [ 89.094317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.099617] RIP: 0033:0x463d89 [ 89.102897] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.122252] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.130536] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 89.138206] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 89.145471] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 89.153177] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 89.160956] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 89.170676] nla_parse: 5 callbacks suppressed [ 89.170681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 89.191357] FAULT_INJECTION: forcing a failure. [ 89.191357] name failslab, interval 1, probability 0, space 0, times 0 [ 89.203805] CPU: 0 PID: 8382 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 89.212031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.221578] Call Trace: [ 89.224197] dump_stack+0x123/0x171 [ 89.227830] should_fail.cold.4+0x5/0xa [ 89.232186] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 89.237470] ? lock_downgrade+0x860/0x860 [ 89.241717] ? ___might_sleep+0x16b/0x270 [ 89.246055] __should_failslab+0xba/0xf0 [ 89.250266] should_failslab+0x9/0x20 [ 89.254298] kmem_cache_alloc_trace+0x2cb/0x740 [ 89.258967] ? qfq_change_class+0xa93/0x14e0 [ 89.263464] ? qfq_change_class+0xa93/0x14e0 [ 89.268466] ? __local_bh_enable_ip+0x160/0x260 [ 89.273181] qfq_change_class+0xad9/0x14e0 [ 89.277614] ? qfq_delete_class+0x2d0/0x2d0 [ 89.282009] ? nla_parse+0x197/0x280 [ 89.285977] tc_ctl_tclass+0x3e9/0xba0 [ 89.290039] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 89.295353] ? find_held_lock+0x36/0x1d0 [ 89.299726] rtnetlink_rcv_msg+0x34f/0x8f0 [ 89.304362] ? rtnetlink_put_metrics+0x490/0x490 [ 89.309436] ? find_held_lock+0x36/0x1d0 [ 89.313646] netlink_rcv_skb+0x13e/0x3d0 [ 89.317999] ? lock_downgrade+0x860/0x860 [ 89.322411] ? rtnetlink_put_metrics+0x490/0x490 [ 89.327829] ? netlink_ack+0xa70/0xa70 [ 89.331816] ? netlink_deliver_tap+0x182/0xb00 [ 89.336772] rtnetlink_rcv+0x10/0x20 [ 89.340782] netlink_unicast+0x443/0x650 [ 89.345270] ? netlink_attachskb+0x6c0/0x6c0 [ 89.349831] ? _copy_from_iter_full+0x182/0x720 [ 89.354923] ? __check_object_size+0x1ef/0x310 [ 89.360026] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 89.367171] netlink_sendmsg+0x764/0xc60 [ 89.371682] ? netlink_unicast+0x650/0x650 [ 89.376243] ? apparmor_socket_sendmsg+0x1b/0x20 [ 89.381296] ? netlink_unicast+0x650/0x650 [ 89.385788] sock_sendmsg+0xb5/0xf0 [ 89.390099] ___sys_sendmsg+0x647/0x950 [ 89.394322] ? find_held_lock+0x36/0x1d0 [ 89.398763] ? copy_msghdr_from_user+0x430/0x430 [ 89.403838] ? __fget+0x278/0x400 [ 89.407444] ? kasan_check_read+0x11/0x20 [ 89.411989] ? __fget+0x295/0x400 [ 89.415779] ? expand_files.part.8+0x700/0x700 [ 89.420659] ? __f_unlock_pos+0xd/0x10 [ 89.424644] ? __fget_light+0x174/0x1e0 [ 89.429284] ? __fdget+0xe/0x10 [ 89.432685] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 89.438008] __sys_sendmsg+0xd9/0x180 [ 89.442876] ? __ia32_sys_shutdown+0x70/0x70 [ 89.447451] ? __sb_end_write+0xa4/0xd0 [ 89.451439] ? kasan_check_write+0x14/0x20 [ 89.456010] ? fput+0x18/0x120 [ 89.459381] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.465047] __x64_sys_sendmsg+0x73/0xb0 [ 89.469214] do_syscall_64+0xd0/0x4e0 [ 89.473233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.478767] RIP: 0033:0x463d89 2021/04/24 20:07:04 executed programs: 126 [ 89.482221] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.502446] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.510681] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 89.518575] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 89.527472] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 89.535303] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 89.543187] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 89.555985] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 89.585345] FAULT_INJECTION: forcing a failure. [ 89.585345] name failslab, interval 1, probability 0, space 0, times 0 [ 89.602955] CPU: 0 PID: 8392 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 89.611321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.620896] Call Trace: [ 89.623602] dump_stack+0x123/0x171 [ 89.627373] should_fail.cold.4+0x5/0xa [ 89.631347] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 89.637018] ? lock_downgrade+0x860/0x860 [ 89.641324] ? ___might_sleep+0x16b/0x270 [ 89.645476] __should_failslab+0xba/0xf0 [ 89.649741] should_failslab+0x9/0x20 [ 89.653874] kmem_cache_alloc_trace+0x2cb/0x740 [ 89.658539] ? qfq_change_class+0xa93/0x14e0 [ 89.663466] ? qfq_change_class+0xa93/0x14e0 [ 89.667905] ? __local_bh_enable_ip+0x160/0x260 [ 89.672584] qfq_change_class+0xad9/0x14e0 [ 89.677211] ? qfq_delete_class+0x2d0/0x2d0 [ 89.681539] ? nla_parse+0x197/0x280 [ 89.685255] tc_ctl_tclass+0x3e9/0xba0 [ 89.689439] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 89.694716] ? find_held_lock+0x36/0x1d0 [ 89.698953] rtnetlink_rcv_msg+0x34f/0x8f0 [ 89.703298] ? rtnetlink_put_metrics+0x490/0x490 [ 89.708330] ? find_held_lock+0x36/0x1d0 [ 89.712561] netlink_rcv_skb+0x13e/0x3d0 [ 89.716625] ? lock_downgrade+0x860/0x860 [ 89.721143] ? rtnetlink_put_metrics+0x490/0x490 [ 89.726005] ? netlink_ack+0xa70/0xa70 [ 89.730261] ? netlink_deliver_tap+0x182/0xb00 [ 89.735625] rtnetlink_rcv+0x10/0x20 [ 89.739432] netlink_unicast+0x443/0x650 [ 89.743640] ? netlink_attachskb+0x6c0/0x6c0 [ 89.748498] ? _copy_from_iter_full+0x182/0x720 [ 89.753356] ? __check_object_size+0x1ef/0x310 [ 89.758433] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 89.764117] netlink_sendmsg+0x764/0xc60 [ 89.768507] ? netlink_unicast+0x650/0x650 [ 89.772828] ? apparmor_socket_sendmsg+0x1b/0x20 [ 89.777573] ? netlink_unicast+0x650/0x650 [ 89.781808] sock_sendmsg+0xb5/0xf0 [ 89.785424] ___sys_sendmsg+0x647/0x950 [ 89.789385] ? find_held_lock+0x36/0x1d0 [ 89.793545] ? copy_msghdr_from_user+0x430/0x430 [ 89.798303] ? __fget+0x278/0x400 [ 89.801823] ? kasan_check_read+0x11/0x20 [ 89.806042] ? __fget+0x295/0x400 [ 89.809482] ? expand_files.part.8+0x700/0x700 [ 89.814184] ? __f_unlock_pos+0xd/0x10 [ 89.818158] ? __fget_light+0x174/0x1e0 [ 89.822255] ? __fdget+0xe/0x10 [ 89.825538] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 89.830469] __sys_sendmsg+0xd9/0x180 [ 89.834637] ? __ia32_sys_shutdown+0x70/0x70 [ 89.839122] ? __sb_end_write+0xa4/0xd0 [ 89.843093] ? kasan_check_write+0x14/0x20 [ 89.847419] ? fput+0x18/0x120 [ 89.850712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.856349] __x64_sys_sendmsg+0x73/0xb0 [ 89.860600] do_syscall_64+0xd0/0x4e0 [ 89.864398] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.869593] RIP: 0033:0x463d89 [ 89.872853] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.891837] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.899812] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 89.907469] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 89.914963] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 89.922313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 89.929815] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 89.942124] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 89.964100] FAULT_INJECTION: forcing a failure. [ 89.964100] name failslab, interval 1, probability 0, space 0, times 0 [ 89.977291] CPU: 0 PID: 8409 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 89.985301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.994789] Call Trace: [ 89.997582] dump_stack+0x123/0x171 [ 90.001393] should_fail.cold.4+0x5/0xa [ 90.005458] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 90.010794] ? lock_downgrade+0x860/0x860 [ 90.014945] ? ___might_sleep+0x16b/0x270 [ 90.019313] __should_failslab+0xba/0xf0 [ 90.023541] should_failslab+0x9/0x20 [ 90.027340] kmem_cache_alloc_trace+0x2cb/0x740 [ 90.032496] ? qfq_change_class+0xa93/0x14e0 [ 90.037291] ? qfq_change_class+0xa93/0x14e0 [ 90.041687] ? __local_bh_enable_ip+0x160/0x260 [ 90.046579] qfq_change_class+0xad9/0x14e0 [ 90.050908] ? qfq_delete_class+0x2d0/0x2d0 [ 90.055309] ? nla_parse+0x197/0x280 [ 90.059021] tc_ctl_tclass+0x3e9/0xba0 [ 90.062912] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 90.068372] ? find_held_lock+0x36/0x1d0 [ 90.072427] rtnetlink_rcv_msg+0x34f/0x8f0 [ 90.076841] ? rtnetlink_put_metrics+0x490/0x490 [ 90.081603] ? find_held_lock+0x36/0x1d0 [ 90.085792] netlink_rcv_skb+0x13e/0x3d0 [ 90.089838] ? lock_downgrade+0x860/0x860 [ 90.093973] ? rtnetlink_put_metrics+0x490/0x490 [ 90.098733] ? netlink_ack+0xa70/0xa70 [ 90.102800] ? netlink_deliver_tap+0x182/0xb00 [ 90.107983] rtnetlink_rcv+0x10/0x20 [ 90.111787] netlink_unicast+0x443/0x650 [ 90.116295] ? netlink_attachskb+0x6c0/0x6c0 [ 90.121515] ? _copy_from_iter_full+0x182/0x720 [ 90.126361] ? __check_object_size+0x1ef/0x310 [ 90.131527] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 90.137154] netlink_sendmsg+0x764/0xc60 [ 90.141308] ? netlink_unicast+0x650/0x650 [ 90.145813] ? apparmor_socket_sendmsg+0x1b/0x20 [ 90.150822] ? netlink_unicast+0x650/0x650 [ 90.155089] sock_sendmsg+0xb5/0xf0 [ 90.159337] ___sys_sendmsg+0x647/0x950 [ 90.163316] ? find_held_lock+0x36/0x1d0 [ 90.167777] ? copy_msghdr_from_user+0x430/0x430 [ 90.172534] ? __fget+0x278/0x400 [ 90.176049] ? kasan_check_read+0x11/0x20 [ 90.180288] ? __fget+0x295/0x400 [ 90.183914] ? expand_files.part.8+0x700/0x700 [ 90.188589] ? __f_unlock_pos+0xd/0x10 [ 90.192463] ? __fget_light+0x174/0x1e0 [ 90.196705] ? __fdget+0xe/0x10 [ 90.200267] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 90.205300] __sys_sendmsg+0xd9/0x180 [ 90.209208] ? __ia32_sys_shutdown+0x70/0x70 [ 90.213894] ? __sb_end_write+0xa4/0xd0 [ 90.218170] ? kasan_check_write+0x14/0x20 [ 90.222516] ? fput+0x18/0x120 [ 90.225715] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.231153] __x64_sys_sendmsg+0x73/0xb0 [ 90.235313] do_syscall_64+0xd0/0x4e0 [ 90.239109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.244289] RIP: 0033:0x463d89 [ 90.247460] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.268043] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.276089] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 90.284285] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 90.291774] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 90.299485] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 90.307502] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 90.317647] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 90.351567] FAULT_INJECTION: forcing a failure. [ 90.351567] name failslab, interval 1, probability 0, space 0, times 0 [ 90.364059] CPU: 1 PID: 8416 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 90.372296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.382262] Call Trace: [ 90.385676] dump_stack+0x123/0x171 [ 90.389851] should_fail.cold.4+0x5/0xa [ 90.394361] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 90.399600] ? lock_downgrade+0x860/0x860 [ 90.403741] ? ___might_sleep+0x16b/0x270 [ 90.408125] __should_failslab+0xba/0xf0 [ 90.412350] should_failslab+0x9/0x20 [ 90.416152] kmem_cache_alloc_trace+0x2cb/0x740 [ 90.420826] ? qfq_change_class+0xa93/0x14e0 [ 90.425387] ? qfq_change_class+0xa93/0x14e0 [ 90.429928] ? __local_bh_enable_ip+0x160/0x260 [ 90.434680] qfq_change_class+0xad9/0x14e0 [ 90.439109] ? qfq_delete_class+0x2d0/0x2d0 [ 90.443424] ? nla_parse+0x197/0x280 [ 90.447248] tc_ctl_tclass+0x3e9/0xba0 [ 90.451428] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 90.457151] ? find_held_lock+0x36/0x1d0 [ 90.461231] rtnetlink_rcv_msg+0x34f/0x8f0 [ 90.465470] ? rtnetlink_put_metrics+0x490/0x490 [ 90.470225] ? find_held_lock+0x36/0x1d0 [ 90.474299] netlink_rcv_skb+0x13e/0x3d0 [ 90.478619] ? lock_downgrade+0x860/0x860 [ 90.483128] ? rtnetlink_put_metrics+0x490/0x490 [ 90.488227] ? netlink_ack+0xa70/0xa70 [ 90.492653] ? netlink_deliver_tap+0x182/0xb00 [ 90.498901] rtnetlink_rcv+0x10/0x20 [ 90.502916] netlink_unicast+0x443/0x650 [ 90.507112] ? netlink_attachskb+0x6c0/0x6c0 [ 90.511833] ? _copy_from_iter_full+0x182/0x720 [ 90.516710] ? __check_object_size+0x1ef/0x310 [ 90.522154] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 90.527699] netlink_sendmsg+0x764/0xc60 [ 90.532042] ? netlink_unicast+0x650/0x650 [ 90.536448] ? apparmor_socket_sendmsg+0x1b/0x20 [ 90.541523] ? netlink_unicast+0x650/0x650 [ 90.546116] sock_sendmsg+0xb5/0xf0 [ 90.549957] ___sys_sendmsg+0x647/0x950 [ 90.554691] ? find_held_lock+0x36/0x1d0 [ 90.559221] ? copy_msghdr_from_user+0x430/0x430 [ 90.564616] ? __fget+0x278/0x400 [ 90.568169] ? kasan_check_read+0x11/0x20 [ 90.572627] ? __fget+0x295/0x400 [ 90.576073] ? expand_files.part.8+0x700/0x700 [ 90.580840] ? __f_unlock_pos+0xd/0x10 [ 90.584716] ? __fget_light+0x174/0x1e0 [ 90.588677] ? __fdget+0xe/0x10 [ 90.592043] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 90.596893] __sys_sendmsg+0xd9/0x180 [ 90.600691] ? __ia32_sys_shutdown+0x70/0x70 [ 90.605303] ? __sb_end_write+0xa4/0xd0 [ 90.609271] ? kasan_check_write+0x14/0x20 [ 90.613505] ? fput+0x18/0x120 [ 90.616798] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.622147] __x64_sys_sendmsg+0x73/0xb0 [ 90.626497] do_syscall_64+0xd0/0x4e0 [ 90.630661] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.636051] RIP: 0033:0x463d89 [ 90.639246] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.658607] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.666626] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 90.673897] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 90.681195] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 90.688509] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 90.696180] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 90.704281] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 90.720973] FAULT_INJECTION: forcing a failure. [ 90.720973] name failslab, interval 1, probability 0, space 0, times 0 [ 90.739140] CPU: 1 PID: 8422 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 90.747291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.756909] Call Trace: [ 90.759513] dump_stack+0x123/0x171 [ 90.763241] should_fail.cold.4+0x5/0xa [ 90.767318] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 90.772424] ? lock_downgrade+0x860/0x860 [ 90.776675] ? ___might_sleep+0x16b/0x270 [ 90.780814] __should_failslab+0xba/0xf0 [ 90.785178] should_failslab+0x9/0x20 [ 90.788970] kmem_cache_alloc_trace+0x2cb/0x740 [ 90.793799] ? qfq_change_class+0xa93/0x14e0 [ 90.798210] ? qfq_change_class+0xa93/0x14e0 [ 90.802674] ? __local_bh_enable_ip+0x160/0x260 [ 90.807419] qfq_change_class+0xad9/0x14e0 [ 90.811745] ? qfq_delete_class+0x2d0/0x2d0 [ 90.816061] ? nla_parse+0x197/0x280 [ 90.820012] tc_ctl_tclass+0x3e9/0xba0 [ 90.824366] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 90.829925] ? find_held_lock+0x36/0x1d0 [ 90.834137] rtnetlink_rcv_msg+0x34f/0x8f0 [ 90.838754] ? rtnetlink_put_metrics+0x490/0x490 [ 90.843620] ? find_held_lock+0x36/0x1d0 [ 90.848013] netlink_rcv_skb+0x13e/0x3d0 [ 90.852150] ? lock_downgrade+0x860/0x860 [ 90.856279] ? rtnetlink_put_metrics+0x490/0x490 [ 90.861061] ? netlink_ack+0xa70/0xa70 [ 90.866027] ? netlink_deliver_tap+0x182/0xb00 [ 90.870611] rtnetlink_rcv+0x10/0x20 [ 90.874335] netlink_unicast+0x443/0x650 [ 90.878484] ? netlink_attachskb+0x6c0/0x6c0 [ 90.883184] ? _copy_from_iter_full+0x182/0x720 [ 90.888111] ? __check_object_size+0x1ef/0x310 [ 90.892857] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 90.898492] netlink_sendmsg+0x764/0xc60 [ 90.902567] ? netlink_unicast+0x650/0x650 [ 90.906892] ? apparmor_socket_sendmsg+0x1b/0x20 [ 90.911643] ? netlink_unicast+0x650/0x650 [ 90.915960] sock_sendmsg+0xb5/0xf0 [ 90.919621] ___sys_sendmsg+0x647/0x950 [ 90.923585] ? find_held_lock+0x36/0x1d0 [ 90.927915] ? copy_msghdr_from_user+0x430/0x430 [ 90.932947] ? __fget+0x278/0x400 [ 90.936407] ? kasan_check_read+0x11/0x20 [ 90.940546] ? __fget+0x295/0x400 [ 90.943993] ? expand_files.part.8+0x700/0x700 [ 90.948742] ? __f_unlock_pos+0xd/0x10 [ 90.952756] ? __fget_light+0x174/0x1e0 [ 90.956716] ? __fdget+0xe/0x10 [ 90.960074] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 90.965079] __sys_sendmsg+0xd9/0x180 [ 90.968908] ? __ia32_sys_shutdown+0x70/0x70 [ 90.973663] ? __sb_end_write+0xa4/0xd0 [ 90.977643] ? kasan_check_write+0x14/0x20 [ 90.981869] ? fput+0x18/0x120 [ 90.985084] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.990823] __x64_sys_sendmsg+0x73/0xb0 [ 90.994885] do_syscall_64+0xd0/0x4e0 [ 90.998678] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.003986] RIP: 0033:0x463d89 [ 91.007319] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 91.026691] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.034606] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 91.042127] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 91.049381] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 91.056721] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 91.064129] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 91.072223] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 91.089266] FAULT_INJECTION: forcing a failure. [ 91.089266] name failslab, interval 1, probability 0, space 0, times 0 [ 91.104249] CPU: 1 PID: 8432 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 91.112764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.122210] Call Trace: [ 91.124801] dump_stack+0x123/0x171 [ 91.128523] should_fail.cold.4+0x5/0xa [ 91.132667] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 91.137762] ? lock_downgrade+0x860/0x860 [ 91.142104] ? ___might_sleep+0x16b/0x270 [ 91.146466] __should_failslab+0xba/0xf0 [ 91.150685] should_failslab+0x9/0x20 [ 91.154621] kmem_cache_alloc_trace+0x2cb/0x740 [ 91.159949] ? qfq_change_class+0xa93/0x14e0 [ 91.165180] ? qfq_change_class+0xa93/0x14e0 [ 91.170029] ? __local_bh_enable_ip+0x160/0x260 [ 91.174963] qfq_change_class+0xad9/0x14e0 [ 91.179552] ? qfq_delete_class+0x2d0/0x2d0 [ 91.184114] ? nla_parse+0x197/0x280 [ 91.188045] tc_ctl_tclass+0x3e9/0xba0 [ 91.192093] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 91.197698] ? find_held_lock+0x36/0x1d0 [ 91.201988] rtnetlink_rcv_msg+0x34f/0x8f0 [ 91.206236] ? rtnetlink_put_metrics+0x490/0x490 [ 91.211093] ? find_held_lock+0x36/0x1d0 [ 91.215153] netlink_rcv_skb+0x13e/0x3d0 [ 91.219292] ? lock_downgrade+0x860/0x860 [ 91.223692] ? rtnetlink_put_metrics+0x490/0x490 [ 91.228525] ? netlink_ack+0xa70/0xa70 [ 91.232519] ? netlink_deliver_tap+0x182/0xb00 [ 91.237379] rtnetlink_rcv+0x10/0x20 [ 91.241152] netlink_unicast+0x443/0x650 [ 91.245569] ? netlink_attachskb+0x6c0/0x6c0 [ 91.250210] ? _copy_from_iter_full+0x182/0x720 [ 91.255174] ? __check_object_size+0x1ef/0x310 [ 91.259927] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 91.266043] netlink_sendmsg+0x764/0xc60 [ 91.270239] ? netlink_unicast+0x650/0x650 [ 91.275349] ? apparmor_socket_sendmsg+0x1b/0x20 [ 91.280347] ? netlink_unicast+0x650/0x650 [ 91.284969] sock_sendmsg+0xb5/0xf0 [ 91.289368] ___sys_sendmsg+0x647/0x950 [ 91.293857] ? find_held_lock+0x36/0x1d0 [ 91.298047] ? copy_msghdr_from_user+0x430/0x430 [ 91.302933] ? __fget+0x278/0x400 [ 91.306594] ? kasan_check_read+0x11/0x20 [ 91.310908] ? __fget+0x295/0x400 [ 91.314617] ? expand_files.part.8+0x700/0x700 [ 91.319669] ? __f_unlock_pos+0xd/0x10 [ 91.323651] ? __fget_light+0x174/0x1e0 [ 91.327802] ? __fdget+0xe/0x10 [ 91.331964] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 91.336793] __sys_sendmsg+0xd9/0x180 [ 91.340592] ? __ia32_sys_shutdown+0x70/0x70 [ 91.345079] ? __sb_end_write+0xa4/0xd0 [ 91.349612] ? kasan_check_write+0x14/0x20 [ 91.354002] ? fput+0x18/0x120 [ 91.357598] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.364139] __x64_sys_sendmsg+0x73/0xb0 [ 91.368291] do_syscall_64+0xd0/0x4e0 [ 91.372307] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.377488] RIP: 0033:0x463d89 [ 91.381079] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 91.400448] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.408533] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 91.416143] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 91.423744] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 91.431100] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 91.438909] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 91.457969] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 91.485317] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 91.500835] FAULT_INJECTION: forcing a failure. [ 91.500835] name failslab, interval 1, probability 0, space 0, times 0 [ 91.513426] CPU: 1 PID: 8450 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 91.521341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.531375] Call Trace: [ 91.534176] dump_stack+0x123/0x171 [ 91.538060] should_fail.cold.4+0x5/0xa [ 91.542117] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 91.547383] ? lock_downgrade+0x860/0x860 [ 91.551524] ? ___might_sleep+0x16b/0x270 [ 91.555743] __should_failslab+0xba/0xf0 [ 91.559889] should_failslab+0x9/0x20 [ 91.564046] kmem_cache_alloc_trace+0x2cb/0x740 [ 91.569380] ? qfq_change_class+0xa93/0x14e0 [ 91.573925] ? qfq_change_class+0xa93/0x14e0 [ 91.579263] ? __local_bh_enable_ip+0x160/0x260 [ 91.584587] qfq_change_class+0xad9/0x14e0 [ 91.588809] ? qfq_delete_class+0x2d0/0x2d0 [ 91.593116] ? nla_parse+0x197/0x280 [ 91.596824] tc_ctl_tclass+0x3e9/0xba0 [ 91.600709] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 91.606169] ? find_held_lock+0x36/0x1d0 [ 91.610720] rtnetlink_rcv_msg+0x34f/0x8f0 [ 91.615386] ? rtnetlink_put_metrics+0x490/0x490 [ 91.620130] ? find_held_lock+0x36/0x1d0 [ 91.624314] netlink_rcv_skb+0x13e/0x3d0 [ 91.628640] ? lock_downgrade+0x860/0x860 [ 91.632892] ? rtnetlink_put_metrics+0x490/0x490 [ 91.637819] ? netlink_ack+0xa70/0xa70 [ 91.641812] ? netlink_deliver_tap+0x182/0xb00 [ 91.646749] rtnetlink_rcv+0x10/0x20 [ 91.650546] netlink_unicast+0x443/0x650 [ 91.654727] ? netlink_attachskb+0x6c0/0x6c0 [ 91.659630] ? _copy_from_iter_full+0x182/0x720 [ 91.664291] ? __check_object_size+0x1ef/0x310 [ 91.668969] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 91.674846] netlink_sendmsg+0x764/0xc60 [ 91.678901] ? netlink_unicast+0x650/0x650 [ 91.683500] ? apparmor_socket_sendmsg+0x1b/0x20 [ 91.688335] ? netlink_unicast+0x650/0x650 [ 91.692904] sock_sendmsg+0xb5/0xf0 [ 91.696793] ___sys_sendmsg+0x647/0x950 [ 91.701244] ? find_held_lock+0x36/0x1d0 [ 91.705635] ? copy_msghdr_from_user+0x430/0x430 [ 91.710385] ? __fget+0x278/0x400 [ 91.713829] ? kasan_check_read+0x11/0x20 [ 91.718194] ? __fget+0x295/0x400 [ 91.722421] ? expand_files.part.8+0x700/0x700 [ 91.727192] ? __f_unlock_pos+0xd/0x10 [ 91.731333] ? __fget_light+0x174/0x1e0 [ 91.736310] ? __fdget+0xe/0x10 [ 91.739590] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 91.744424] __sys_sendmsg+0xd9/0x180 [ 91.748411] ? __ia32_sys_shutdown+0x70/0x70 [ 91.753101] ? __sb_end_write+0xa4/0xd0 [ 91.757205] ? kasan_check_write+0x14/0x20 [ 91.761725] ? fput+0x18/0x120 [ 91.765058] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.770696] __x64_sys_sendmsg+0x73/0xb0 [ 91.774747] do_syscall_64+0xd0/0x4e0 [ 91.778643] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.784077] RIP: 0033:0x463d89 [ 91.787441] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 91.806910] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.814621] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 91.822415] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 91.829874] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 91.838067] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 91.845533] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 91.865188] FAULT_INJECTION: forcing a failure. [ 91.865188] name failslab, interval 1, probability 0, space 0, times 0 [ 91.886215] CPU: 1 PID: 8452 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 91.894321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.905849] Call Trace: [ 91.908439] dump_stack+0x123/0x171 [ 91.912069] should_fail.cold.4+0x5/0xa [ 91.916138] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 91.921459] ? lock_downgrade+0x860/0x860 [ 91.926229] ? ___might_sleep+0x16b/0x270 [ 91.930831] __should_failslab+0xba/0xf0 [ 91.934967] should_failslab+0x9/0x20 [ 91.938960] kmem_cache_alloc_trace+0x2cb/0x740 [ 91.943711] ? qfq_change_class+0xa93/0x14e0 [ 91.948435] ? qfq_change_class+0xa93/0x14e0 [ 91.953052] ? __local_bh_enable_ip+0x160/0x260 [ 91.958194] qfq_change_class+0xad9/0x14e0 [ 91.962437] ? qfq_delete_class+0x2d0/0x2d0 [ 91.967374] ? nla_parse+0x197/0x280 [ 91.971464] tc_ctl_tclass+0x3e9/0xba0 [ 91.975885] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 91.981858] ? find_held_lock+0x36/0x1d0 [ 91.985958] rtnetlink_rcv_msg+0x34f/0x8f0 [ 91.990587] ? rtnetlink_put_metrics+0x490/0x490 [ 91.995364] ? find_held_lock+0x36/0x1d0 [ 91.999475] netlink_rcv_skb+0x13e/0x3d0 [ 92.003944] ? lock_downgrade+0x860/0x860 [ 92.008633] ? rtnetlink_put_metrics+0x490/0x490 [ 92.013486] ? netlink_ack+0xa70/0xa70 [ 92.017375] ? netlink_deliver_tap+0x182/0xb00 [ 92.022129] rtnetlink_rcv+0x10/0x20 [ 92.026188] netlink_unicast+0x443/0x650 [ 92.030614] ? netlink_attachskb+0x6c0/0x6c0 [ 92.035230] ? _copy_from_iter_full+0x182/0x720 [ 92.040215] ? __check_object_size+0x1ef/0x310 [ 92.045034] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 92.050731] netlink_sendmsg+0x764/0xc60 [ 92.054962] ? netlink_unicast+0x650/0x650 [ 92.059293] ? apparmor_socket_sendmsg+0x1b/0x20 [ 92.064506] ? netlink_unicast+0x650/0x650 [ 92.068837] sock_sendmsg+0xb5/0xf0 [ 92.072739] ___sys_sendmsg+0x647/0x950 [ 92.076881] ? find_held_lock+0x36/0x1d0 [ 92.081659] ? copy_msghdr_from_user+0x430/0x430 [ 92.086726] ? __fget+0x278/0x400 [ 92.090280] ? kasan_check_read+0x11/0x20 [ 92.094432] ? __fget+0x295/0x400 [ 92.097985] ? expand_files.part.8+0x700/0x700 [ 92.102679] ? __f_unlock_pos+0xd/0x10 [ 92.106738] ? __fget_light+0x174/0x1e0 [ 92.110976] ? __fdget+0xe/0x10 [ 92.114968] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 92.120166] __sys_sendmsg+0xd9/0x180 [ 92.124302] ? __ia32_sys_shutdown+0x70/0x70 [ 92.128713] ? __sb_end_write+0xa4/0xd0 [ 92.132685] ? kasan_check_write+0x14/0x20 [ 92.137360] ? fput+0x18/0x120 [ 92.140737] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.146364] __x64_sys_sendmsg+0x73/0xb0 [ 92.150544] do_syscall_64+0xd0/0x4e0 [ 92.154515] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.160104] RIP: 0033:0x463d89 [ 92.163398] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.183016] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.191028] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 92.198377] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 92.205636] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 92.213243] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 92.221025] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 92.232155] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 92.264061] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 92.280822] FAULT_INJECTION: forcing a failure. [ 92.280822] name failslab, interval 1, probability 0, space 0, times 0 [ 92.292791] CPU: 1 PID: 8462 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 92.301340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.311437] Call Trace: [ 92.314337] dump_stack+0x123/0x171 [ 92.318202] should_fail.cold.4+0x5/0xa [ 92.322603] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 92.327932] ? lock_downgrade+0x860/0x860 [ 92.332306] ? ___might_sleep+0x16b/0x270 [ 92.336642] __should_failslab+0xba/0xf0 [ 92.340914] should_failslab+0x9/0x20 [ 92.344801] kmem_cache_alloc_trace+0x2cb/0x740 [ 92.349635] ? qfq_change_class+0xa93/0x14e0 [ 92.354261] ? qfq_change_class+0xa93/0x14e0 [ 92.358832] ? __local_bh_enable_ip+0x160/0x260 [ 92.364394] qfq_change_class+0xad9/0x14e0 [ 92.368919] ? qfq_delete_class+0x2d0/0x2d0 [ 92.373363] ? nla_parse+0x197/0x280 [ 92.377172] tc_ctl_tclass+0x3e9/0xba0 [ 92.381192] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 92.386479] ? find_held_lock+0x36/0x1d0 [ 92.390566] rtnetlink_rcv_msg+0x34f/0x8f0 [ 92.395266] ? rtnetlink_put_metrics+0x490/0x490 [ 92.400102] ? find_held_lock+0x36/0x1d0 [ 92.404243] netlink_rcv_skb+0x13e/0x3d0 [ 92.408299] ? lock_downgrade+0x860/0x860 [ 92.412461] ? rtnetlink_put_metrics+0x490/0x490 [ 92.417447] ? netlink_ack+0xa70/0xa70 [ 92.422039] ? netlink_deliver_tap+0x182/0xb00 [ 92.426623] rtnetlink_rcv+0x10/0x20 [ 92.430500] netlink_unicast+0x443/0x650 [ 92.434764] ? netlink_attachskb+0x6c0/0x6c0 [ 92.439244] ? _copy_from_iter_full+0x182/0x720 [ 92.444168] ? __check_object_size+0x1ef/0x310 [ 92.448940] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 92.455445] netlink_sendmsg+0x764/0xc60 [ 92.460355] ? netlink_unicast+0x650/0x650 [ 92.464819] ? apparmor_socket_sendmsg+0x1b/0x20 [ 92.469968] ? netlink_unicast+0x650/0x650 [ 92.474292] sock_sendmsg+0xb5/0xf0 [ 92.478023] ___sys_sendmsg+0x647/0x950 [ 92.482076] ? find_held_lock+0x36/0x1d0 [ 92.486300] ? copy_msghdr_from_user+0x430/0x430 [ 92.491134] ? __fget+0x278/0x400 [ 92.494700] ? kasan_check_read+0x11/0x20 [ 92.499263] ? __fget+0x295/0x400 [ 92.502983] ? expand_files.part.8+0x700/0x700 [ 92.508573] ? __f_unlock_pos+0xd/0x10 [ 92.513214] ? __fget_light+0x174/0x1e0 [ 92.518045] ? __fdget+0xe/0x10 [ 92.522123] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 92.527119] __sys_sendmsg+0xd9/0x180 [ 92.531381] ? __ia32_sys_shutdown+0x70/0x70 [ 92.535785] ? __sb_end_write+0xa4/0xd0 [ 92.539882] ? kasan_check_write+0x14/0x20 [ 92.544276] ? fput+0x18/0x120 [ 92.547686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.553049] __x64_sys_sendmsg+0x73/0xb0 [ 92.557573] do_syscall_64+0xd0/0x4e0 [ 92.561491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.566864] RIP: 0033:0x463d89 [ 92.570149] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.589525] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.597393] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 92.604841] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 92.612585] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 92.620634] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 92.628121] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 92.671203] FAULT_INJECTION: forcing a failure. [ 92.671203] name failslab, interval 1, probability 0, space 0, times 0 [ 92.686364] CPU: 0 PID: 8488 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 92.694552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.705214] Call Trace: [ 92.707920] dump_stack+0x123/0x171 [ 92.711714] should_fail.cold.4+0x5/0xa [ 92.716218] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 92.721676] ? lock_downgrade+0x860/0x860 [ 92.725935] ? ___might_sleep+0x16b/0x270 [ 92.730275] __should_failslab+0xba/0xf0 [ 92.734416] should_failslab+0x9/0x20 [ 92.738207] kmem_cache_alloc_trace+0x2cb/0x740 [ 92.742965] ? qfq_change_class+0xa93/0x14e0 [ 92.747489] ? qfq_change_class+0xa93/0x14e0 [ 92.752014] ? __local_bh_enable_ip+0x160/0x260 [ 92.756956] qfq_change_class+0xad9/0x14e0 [ 92.761265] ? qfq_delete_class+0x2d0/0x2d0 [ 92.765579] ? nla_parse+0x197/0x280 [ 92.769290] tc_ctl_tclass+0x3e9/0xba0 [ 92.773422] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 92.778879] ? find_held_lock+0x36/0x1d0 [ 92.783064] rtnetlink_rcv_msg+0x34f/0x8f0 [ 92.787460] ? rtnetlink_put_metrics+0x490/0x490 [ 92.792319] ? find_held_lock+0x36/0x1d0 [ 92.796472] netlink_rcv_skb+0x13e/0x3d0 [ 92.800610] ? lock_downgrade+0x860/0x860 [ 92.805005] ? rtnetlink_put_metrics+0x490/0x490 [ 92.809900] ? netlink_ack+0xa70/0xa70 [ 92.813785] ? netlink_deliver_tap+0x182/0xb00 [ 92.818886] rtnetlink_rcv+0x10/0x20 [ 92.822987] netlink_unicast+0x443/0x650 [ 92.827504] ? netlink_attachskb+0x6c0/0x6c0 [ 92.832184] ? _copy_from_iter_full+0x182/0x720 [ 92.836974] ? __check_object_size+0x1ef/0x310 [ 92.841956] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 92.847586] netlink_sendmsg+0x764/0xc60 [ 92.852721] ? netlink_unicast+0x650/0x650 [ 92.857632] ? apparmor_socket_sendmsg+0x1b/0x20 [ 92.862642] ? netlink_unicast+0x650/0x650 [ 92.866935] sock_sendmsg+0xb5/0xf0 [ 92.870659] ___sys_sendmsg+0x647/0x950 [ 92.874752] ? find_held_lock+0x36/0x1d0 [ 92.879281] ? copy_msghdr_from_user+0x430/0x430 [ 92.884297] ? __fget+0x278/0x400 [ 92.887759] ? kasan_check_read+0x11/0x20 [ 92.892206] ? __fget+0x295/0x400 [ 92.895674] ? expand_files.part.8+0x700/0x700 [ 92.900346] ? __f_unlock_pos+0xd/0x10 [ 92.904435] ? __fget_light+0x174/0x1e0 [ 92.908403] ? __fdget+0xe/0x10 [ 92.911790] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 92.917115] __sys_sendmsg+0xd9/0x180 [ 92.920980] ? __ia32_sys_shutdown+0x70/0x70 [ 92.925778] ? __sb_end_write+0xa4/0xd0 [ 92.929909] ? kasan_check_write+0x14/0x20 [ 92.934338] ? fput+0x18/0x120 [ 92.937811] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.943549] __x64_sys_sendmsg+0x73/0xb0 [ 92.947699] do_syscall_64+0xd0/0x4e0 [ 92.951537] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.957029] RIP: 0033:0x463d89 [ 92.960211] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.979924] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.987658] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 92.995143] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 93.002690] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 93.010023] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 93.017610] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 93.029323] FAULT_INJECTION: forcing a failure. [ 93.029323] name failslab, interval 1, probability 0, space 0, times 0 [ 93.042623] CPU: 0 PID: 8495 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 93.050614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.060147] Call Trace: [ 93.062857] dump_stack+0x123/0x171 [ 93.067282] should_fail.cold.4+0x5/0xa [ 93.071460] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 93.076799] ? lock_downgrade+0x860/0x860 [ 93.081699] ? ___might_sleep+0x16b/0x270 [ 93.085972] __should_failslab+0xba/0xf0 [ 93.090500] should_failslab+0x9/0x20 [ 93.094742] kmem_cache_alloc_trace+0x2cb/0x740 [ 93.099598] ? qfq_change_class+0xa93/0x14e0 [ 93.104106] ? qfq_change_class+0xa93/0x14e0 [ 93.109475] ? __local_bh_enable_ip+0x160/0x260 [ 93.114860] qfq_change_class+0xad9/0x14e0 [ 93.119198] ? qfq_delete_class+0x2d0/0x2d0 [ 93.123849] ? nla_parse+0x197/0x280 [ 93.127730] tc_ctl_tclass+0x3e9/0xba0 [ 93.131779] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 93.136897] ? find_held_lock+0x36/0x1d0 [ 93.141122] rtnetlink_rcv_msg+0x34f/0x8f0 [ 93.145477] ? rtnetlink_put_metrics+0x490/0x490 [ 93.150557] ? find_held_lock+0x36/0x1d0 [ 93.155581] netlink_rcv_skb+0x13e/0x3d0 [ 93.159753] ? lock_downgrade+0x860/0x860 [ 93.164253] ? rtnetlink_put_metrics+0x490/0x490 [ 93.169230] ? netlink_ack+0xa70/0xa70 [ 93.174036] ? netlink_deliver_tap+0x182/0xb00 [ 93.178832] rtnetlink_rcv+0x10/0x20 [ 93.182732] netlink_unicast+0x443/0x650 [ 93.186794] ? netlink_attachskb+0x6c0/0x6c0 [ 93.191324] ? _copy_from_iter_full+0x182/0x720 [ 93.196435] ? __check_object_size+0x1ef/0x310 [ 93.201385] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 93.207122] netlink_sendmsg+0x764/0xc60 [ 93.211275] ? netlink_unicast+0x650/0x650 [ 93.215727] ? apparmor_socket_sendmsg+0x1b/0x20 [ 93.220971] ? netlink_unicast+0x650/0x650 [ 93.225304] sock_sendmsg+0xb5/0xf0 [ 93.229140] ___sys_sendmsg+0x647/0x950 [ 93.233636] ? find_held_lock+0x36/0x1d0 [ 93.237710] ? copy_msghdr_from_user+0x430/0x430 [ 93.242731] ? __fget+0x278/0x400 [ 93.246522] ? kasan_check_read+0x11/0x20 [ 93.250681] ? __fget+0x295/0x400 [ 93.254142] ? expand_files.part.8+0x700/0x700 [ 93.258985] ? __f_unlock_pos+0xd/0x10 [ 93.263716] ? __fget_light+0x174/0x1e0 [ 93.267860] ? __fdget+0xe/0x10 [ 93.271237] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 93.276266] __sys_sendmsg+0xd9/0x180 [ 93.280070] ? __ia32_sys_shutdown+0x70/0x70 [ 93.284502] ? __sb_end_write+0xa4/0xd0 [ 93.288625] ? kasan_check_write+0x14/0x20 [ 93.292856] ? fput+0x18/0x120 [ 93.296320] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.301771] __x64_sys_sendmsg+0x73/0xb0 [ 93.305922] do_syscall_64+0xd0/0x4e0 [ 93.309871] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.315321] RIP: 0033:0x463d89 [ 93.318602] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.337988] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.345930] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 93.353473] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 93.361176] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 93.369151] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 93.376419] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 93.392891] FAULT_INJECTION: forcing a failure. [ 93.392891] name failslab, interval 1, probability 0, space 0, times 0 [ 93.408234] CPU: 0 PID: 8500 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 93.417760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.427295] Call Trace: [ 93.430169] dump_stack+0x123/0x171 [ 93.434078] should_fail.cold.4+0x5/0xa [ 93.440322] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 93.446332] ? lock_downgrade+0x860/0x860 [ 93.450758] ? ___might_sleep+0x16b/0x270 [ 93.455782] __should_failslab+0xba/0xf0 [ 93.460437] should_failslab+0x9/0x20 [ 93.464433] kmem_cache_alloc_trace+0x2cb/0x740 [ 93.469454] ? qfq_change_class+0xa93/0x14e0 [ 93.474325] ? qfq_change_class+0xa93/0x14e0 [ 93.478939] ? __local_bh_enable_ip+0x160/0x260 [ 93.483614] qfq_change_class+0xad9/0x14e0 [ 93.487926] ? qfq_delete_class+0x2d0/0x2d0 [ 93.492445] ? nla_parse+0x197/0x280 [ 93.496304] tc_ctl_tclass+0x3e9/0xba0 [ 93.500449] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 93.505567] ? find_held_lock+0x36/0x1d0 [ 93.509647] rtnetlink_rcv_msg+0x34f/0x8f0 [ 93.514232] ? rtnetlink_put_metrics+0x490/0x490 [ 93.519096] ? find_held_lock+0x36/0x1d0 [ 93.524033] netlink_rcv_skb+0x13e/0x3d0 [ 93.528712] ? lock_downgrade+0x860/0x860 [ 93.533015] ? rtnetlink_put_metrics+0x490/0x490 [ 93.538256] ? netlink_ack+0xa70/0xa70 [ 93.542285] ? netlink_deliver_tap+0x182/0xb00 [ 93.547265] rtnetlink_rcv+0x10/0x20 [ 93.550989] netlink_unicast+0x443/0x650 [ 93.555225] ? netlink_attachskb+0x6c0/0x6c0 [ 93.559955] ? _copy_from_iter_full+0x182/0x720 [ 93.565319] ? __check_object_size+0x1ef/0x310 [ 93.570327] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 93.576298] netlink_sendmsg+0x764/0xc60 [ 93.580354] ? netlink_unicast+0x650/0x650 [ 93.584771] ? apparmor_socket_sendmsg+0x1b/0x20 [ 93.589715] ? netlink_unicast+0x650/0x650 [ 93.594307] sock_sendmsg+0xb5/0xf0 [ 93.598342] ___sys_sendmsg+0x647/0x950 [ 93.602603] ? find_held_lock+0x36/0x1d0 [ 93.606829] ? copy_msghdr_from_user+0x430/0x430 [ 93.611664] ? __fget+0x278/0x400 [ 93.615315] ? kasan_check_read+0x11/0x20 [ 93.619546] ? __fget+0x295/0x400 [ 93.623216] ? expand_files.part.8+0x700/0x700 [ 93.627807] ? __f_unlock_pos+0xd/0x10 [ 93.631898] ? __fget_light+0x174/0x1e0 [ 93.636119] ? __fdget+0xe/0x10 [ 93.639384] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 93.644650] __sys_sendmsg+0xd9/0x180 [ 93.648622] ? __ia32_sys_shutdown+0x70/0x70 [ 93.653210] ? __sb_end_write+0xa4/0xd0 [ 93.657184] ? kasan_check_write+0x14/0x20 [ 93.661487] ? fput+0x18/0x120 [ 93.664996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.670449] __x64_sys_sendmsg+0x73/0xb0 [ 93.674817] do_syscall_64+0xd0/0x4e0 [ 93.678604] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.684228] RIP: 0033:0x463d89 [ 93.687414] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.706541] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.714857] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 93.722220] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 93.729698] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 93.737410] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 93.744680] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 93.754731] FAULT_INJECTION: forcing a failure. [ 93.754731] name failslab, interval 1, probability 0, space 0, times 0 [ 93.768396] CPU: 0 PID: 8502 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 93.776771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.786660] Call Trace: [ 93.789254] dump_stack+0x123/0x171 [ 93.792995] should_fail.cold.4+0x5/0xa [ 93.796973] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 93.802342] ? lock_downgrade+0x860/0x860 [ 93.806614] ? ___might_sleep+0x16b/0x270 [ 93.810975] __should_failslab+0xba/0xf0 [ 93.815127] should_failslab+0x9/0x20 [ 93.819022] kmem_cache_alloc_trace+0x2cb/0x740 [ 93.823689] ? qfq_change_class+0xa93/0x14e0 [ 93.828266] ? qfq_change_class+0xa93/0x14e0 [ 93.832673] ? __local_bh_enable_ip+0x160/0x260 [ 93.837425] qfq_change_class+0xad9/0x14e0 [ 93.841742] ? qfq_delete_class+0x2d0/0x2d0 [ 93.846158] ? nla_parse+0x197/0x280 [ 93.849876] tc_ctl_tclass+0x3e9/0xba0 [ 93.853823] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 93.859217] ? find_held_lock+0x36/0x1d0 [ 93.863288] rtnetlink_rcv_msg+0x34f/0x8f0 [ 93.867554] ? rtnetlink_put_metrics+0x490/0x490 [ 93.872302] ? find_held_lock+0x36/0x1d0 [ 93.876737] netlink_rcv_skb+0x13e/0x3d0 [ 93.881103] ? lock_downgrade+0x860/0x860 [ 93.885240] ? rtnetlink_put_metrics+0x490/0x490 [ 93.889987] ? netlink_ack+0xa70/0xa70 [ 93.894041] ? netlink_deliver_tap+0x182/0xb00 [ 93.898907] rtnetlink_rcv+0x10/0x20 [ 93.902709] netlink_unicast+0x443/0x650 [ 93.907010] ? netlink_attachskb+0x6c0/0x6c0 [ 93.911838] ? _copy_from_iter_full+0x182/0x720 [ 93.916688] ? __check_object_size+0x1ef/0x310 [ 93.921369] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 93.927352] netlink_sendmsg+0x764/0xc60 [ 93.931420] ? netlink_unicast+0x650/0x650 [ 93.935871] ? apparmor_socket_sendmsg+0x1b/0x20 [ 93.941062] ? netlink_unicast+0x650/0x650 [ 93.945476] sock_sendmsg+0xb5/0xf0 [ 93.949198] ___sys_sendmsg+0x647/0x950 [ 93.953414] ? find_held_lock+0x36/0x1d0 [ 93.957653] ? copy_msghdr_from_user+0x430/0x430 [ 93.962901] ? __fget+0x278/0x400 [ 93.966473] ? kasan_check_read+0x11/0x20 [ 93.970645] ? __fget+0x295/0x400 [ 93.974188] ? expand_files.part.8+0x700/0x700 [ 93.978855] ? __f_unlock_pos+0xd/0x10 [ 93.982739] ? __fget_light+0x174/0x1e0 [ 93.986698] ? __fdget+0xe/0x10 [ 93.989980] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 93.995095] __sys_sendmsg+0xd9/0x180 [ 93.998891] ? __ia32_sys_shutdown+0x70/0x70 [ 94.003376] ? __sb_end_write+0xa4/0xd0 [ 94.007365] ? kasan_check_write+0x14/0x20 [ 94.011620] ? fput+0x18/0x120 [ 94.015077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.020437] __x64_sys_sendmsg+0x73/0xb0 [ 94.024690] do_syscall_64+0xd0/0x4e0 [ 94.028489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.033788] RIP: 0033:0x463d89 [ 94.037244] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.057036] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.065001] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 94.072623] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 94.081209] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 94.089882] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 94.097538] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 94.112867] FAULT_INJECTION: forcing a failure. [ 94.112867] name failslab, interval 1, probability 0, space 0, times 0 [ 94.134082] CPU: 0 PID: 8530 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 94.142170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.151934] Call Trace: [ 94.154703] dump_stack+0x123/0x171 [ 94.158517] should_fail.cold.4+0x5/0xa [ 94.162679] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 94.168517] ? lock_downgrade+0x860/0x860 [ 94.172717] ? ___might_sleep+0x16b/0x270 [ 94.177191] __should_failslab+0xba/0xf0 [ 94.181267] should_failslab+0x9/0x20 [ 94.185238] kmem_cache_alloc_trace+0x2cb/0x740 [ 94.190336] ? qfq_change_class+0xa93/0x14e0 [ 94.195018] ? qfq_change_class+0xa93/0x14e0 [ 94.199526] ? __local_bh_enable_ip+0x160/0x260 [ 94.204296] qfq_change_class+0xad9/0x14e0 [ 94.209013] ? qfq_delete_class+0x2d0/0x2d0 [ 94.213414] ? nla_parse+0x197/0x280 [ 94.217260] tc_ctl_tclass+0x3e9/0xba0 [ 94.221238] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 94.226481] ? find_held_lock+0x36/0x1d0 [ 94.230901] rtnetlink_rcv_msg+0x34f/0x8f0 [ 94.235142] ? rtnetlink_put_metrics+0x490/0x490 [ 94.240246] ? find_held_lock+0x36/0x1d0 [ 94.244585] netlink_rcv_skb+0x13e/0x3d0 [ 94.248867] ? lock_downgrade+0x860/0x860 [ 94.253197] ? rtnetlink_put_metrics+0x490/0x490 [ 94.258038] ? netlink_ack+0xa70/0xa70 [ 94.262154] ? netlink_deliver_tap+0x182/0xb00 [ 94.267127] rtnetlink_rcv+0x10/0x20 [ 94.271007] netlink_unicast+0x443/0x650 [ 94.275284] ? netlink_attachskb+0x6c0/0x6c0 [ 94.280025] ? _copy_from_iter_full+0x182/0x720 [ 94.285217] ? __check_object_size+0x1ef/0x310 [ 94.290020] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 94.296030] netlink_sendmsg+0x764/0xc60 [ 94.300537] ? netlink_unicast+0x650/0x650 [ 94.304877] ? apparmor_socket_sendmsg+0x1b/0x20 [ 94.310059] ? netlink_unicast+0x650/0x650 [ 94.314563] sock_sendmsg+0xb5/0xf0 [ 94.318511] ___sys_sendmsg+0x647/0x950 [ 94.322869] ? find_held_lock+0x36/0x1d0 [ 94.327482] ? copy_msghdr_from_user+0x430/0x430 [ 94.332824] ? __fget+0x278/0x400 [ 94.337446] ? kasan_check_read+0x11/0x20 [ 94.342065] ? __fget+0x295/0x400 [ 94.345514] ? expand_files.part.8+0x700/0x700 [ 94.350520] ? __f_unlock_pos+0xd/0x10 [ 94.354755] ? __fget_light+0x174/0x1e0 [ 94.358859] ? __fdget+0xe/0x10 [ 94.362680] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 94.367954] __sys_sendmsg+0xd9/0x180 [ 94.371969] ? __ia32_sys_shutdown+0x70/0x70 [ 94.376747] ? __sb_end_write+0xa4/0xd0 [ 94.380866] ? kasan_check_write+0x14/0x20 [ 94.385098] ? fput+0x18/0x120 [ 94.388483] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.394029] __x64_sys_sendmsg+0x73/0xb0 [ 94.398673] do_syscall_64+0xd0/0x4e0 [ 94.402634] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.408309] RIP: 0033:0x463d89 [ 94.411495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.431618] RSP: 002b:00007f366ea02198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.439636] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 94.447275] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 94.455039] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 94.462495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 94.470341] R13: 00007f366ea026bc R14: 0000000000000009 R15: 0000000000000001 [ 94.483907] FAULT_INJECTION: forcing a failure. [ 94.483907] name failslab, interval 1, probability 0, space 0, times 0 [ 94.507083] CPU: 0 PID: 8533 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 94.515085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.524862] Call Trace: [ 94.527628] dump_stack+0x123/0x171 [ 94.531400] should_fail.cold.4+0x5/0xa [ 94.535483] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 94.540875] ? lock_downgrade+0x860/0x860 [ 94.545199] ? ___might_sleep+0x16b/0x270 [ 94.549699] __should_failslab+0xba/0xf0 [ 94.553763] should_failslab+0x9/0x20 [ 94.557660] kmem_cache_alloc_trace+0x2cb/0x740 [ 94.562496] ? qfq_change_class+0xa93/0x14e0 [ 94.567109] ? qfq_change_class+0xa93/0x14e0 [ 94.572102] ? __local_bh_enable_ip+0x160/0x260 [ 94.577073] qfq_change_class+0xad9/0x14e0 [ 94.581818] ? qfq_delete_class+0x2d0/0x2d0 [ 94.586872] ? nla_parse+0x197/0x280 [ 94.590590] tc_ctl_tclass+0x3e9/0xba0 [ 94.595051] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 94.600521] ? find_held_lock+0x36/0x1d0 [ 94.604791] rtnetlink_rcv_msg+0x34f/0x8f0 [ 94.609243] ? rtnetlink_put_metrics+0x490/0x490 [ 94.614189] ? find_held_lock+0x36/0x1d0 [ 94.618532] netlink_rcv_skb+0x13e/0x3d0 [ 94.623134] ? lock_downgrade+0x860/0x860 [ 94.627459] ? rtnetlink_put_metrics+0x490/0x490 [ 94.632386] ? netlink_ack+0xa70/0xa70 [ 94.636525] ? netlink_deliver_tap+0x182/0xb00 [ 94.641295] rtnetlink_rcv+0x10/0x20 [ 94.645172] netlink_unicast+0x443/0x650 [ 94.649861] ? netlink_attachskb+0x6c0/0x6c0 [ 94.654792] ? _copy_from_iter_full+0x182/0x720 [ 94.659541] ? __check_object_size+0x1ef/0x310 [ 94.664199] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 94.670084] netlink_sendmsg+0x764/0xc60 [ 94.674304] ? netlink_unicast+0x650/0x650 [ 94.679113] ? apparmor_socket_sendmsg+0x1b/0x20 [ 94.684427] ? netlink_unicast+0x650/0x650 [ 94.688860] sock_sendmsg+0xb5/0xf0 [ 94.692490] ___sys_sendmsg+0x647/0x950 [ 94.696774] ? find_held_lock+0x36/0x1d0 [ 94.701101] ? copy_msghdr_from_user+0x430/0x430 [ 94.706048] ? __fget+0x278/0x400 [ 94.709495] ? kasan_check_read+0x11/0x20 [ 94.713638] ? __fget+0x295/0x400 [ 94.717416] ? expand_files.part.8+0x700/0x700 [ 94.722097] ? __f_unlock_pos+0xd/0x10 [ 94.725976] ? __fget_light+0x174/0x1e0 [ 94.730027] ? __fdget+0xe/0x10 [ 94.733560] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 94.738622] __sys_sendmsg+0xd9/0x180 [ 94.742738] ? __ia32_sys_shutdown+0x70/0x70 [ 94.747437] ? __sb_end_write+0xa4/0xd0 [ 94.751772] ? kasan_check_write+0x14/0x20 [ 94.756363] ? fput+0x18/0x120 [ 94.759551] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.765591] __x64_sys_sendmsg+0x73/0xb0 [ 94.769974] do_syscall_64+0xd0/0x4e0 [ 94.773884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.779255] RIP: 0033:0x463d89 [ 94.782460] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.802410] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.810138] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 94.817578] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 94.825152] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 2021/04/24 20:07:09 executed programs: 140 [ 94.832558] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 94.840191] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 94.849843] nla_parse: 5 callbacks suppressed [ 94.849847] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 94.877680] FAULT_INJECTION: forcing a failure. [ 94.877680] name failslab, interval 1, probability 0, space 0, times 0 [ 94.889579] CPU: 1 PID: 8539 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 94.897632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.907250] Call Trace: [ 94.909962] dump_stack+0x123/0x171 [ 94.913835] should_fail.cold.4+0x5/0xa [ 94.918429] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 94.923613] ? lock_downgrade+0x860/0x860 [ 94.927752] ? ___might_sleep+0x16b/0x270 [ 94.931978] __should_failslab+0xba/0xf0 [ 94.936203] should_failslab+0x9/0x20 [ 94.940122] kmem_cache_alloc_trace+0x2cb/0x740 [ 94.944774] ? qfq_change_class+0xa93/0x14e0 [ 94.949254] ? qfq_change_class+0xa93/0x14e0 [ 94.953821] ? __local_bh_enable_ip+0x160/0x260 [ 94.959251] qfq_change_class+0xad9/0x14e0 [ 94.964005] ? qfq_delete_class+0x2d0/0x2d0 [ 94.968586] ? nla_parse+0x197/0x280 [ 94.972397] tc_ctl_tclass+0x3e9/0xba0 [ 94.976384] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 94.981774] ? find_held_lock+0x36/0x1d0 [ 94.985833] rtnetlink_rcv_msg+0x34f/0x8f0 [ 94.990058] ? rtnetlink_put_metrics+0x490/0x490 [ 94.995084] ? find_held_lock+0x36/0x1d0 [ 94.999532] netlink_rcv_skb+0x13e/0x3d0 [ 95.003671] ? lock_downgrade+0x860/0x860 [ 95.008026] ? rtnetlink_put_metrics+0x490/0x490 [ 95.012870] ? netlink_ack+0xa70/0xa70 [ 95.016775] ? netlink_deliver_tap+0x182/0xb00 [ 95.021465] rtnetlink_rcv+0x10/0x20 [ 95.025458] netlink_unicast+0x443/0x650 [ 95.029955] ? netlink_attachskb+0x6c0/0x6c0 [ 95.034360] ? _copy_from_iter_full+0x182/0x720 [ 95.039124] ? __check_object_size+0x1ef/0x310 [ 95.043694] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 95.049320] netlink_sendmsg+0x764/0xc60 [ 95.053790] ? netlink_unicast+0x650/0x650 [ 95.058521] ? apparmor_socket_sendmsg+0x1b/0x20 [ 95.063361] ? netlink_unicast+0x650/0x650 [ 95.068024] sock_sendmsg+0xb5/0xf0 [ 95.071858] ___sys_sendmsg+0x647/0x950 [ 95.075842] ? find_held_lock+0x36/0x1d0 [ 95.079911] ? copy_msghdr_from_user+0x430/0x430 [ 95.084659] ? __fget+0x278/0x400 [ 95.088101] ? kasan_check_read+0x11/0x20 [ 95.092247] ? __fget+0x295/0x400 [ 95.095713] ? expand_files.part.8+0x700/0x700 [ 95.100277] ? __f_unlock_pos+0xd/0x10 [ 95.104615] ? __fget_light+0x174/0x1e0 [ 95.108645] ? __fdget+0xe/0x10 [ 95.111913] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 95.116831] __sys_sendmsg+0xd9/0x180 [ 95.120965] ? __ia32_sys_shutdown+0x70/0x70 [ 95.125461] ? __sb_end_write+0xa4/0xd0 [ 95.129603] ? kasan_check_write+0x14/0x20 [ 95.133823] ? fput+0x18/0x120 [ 95.137029] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.142677] __x64_sys_sendmsg+0x73/0xb0 [ 95.146907] do_syscall_64+0xd0/0x4e0 [ 95.150868] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.156371] RIP: 0033:0x463d89 [ 95.159740] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 95.180142] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.192985] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 95.201372] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 95.209496] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 95.217116] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 95.224923] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 95.233640] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 95.249149] FAULT_INJECTION: forcing a failure. [ 95.249149] name failslab, interval 1, probability 0, space 0, times 0 [ 95.262253] CPU: 1 PID: 8549 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 95.270827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.280368] Call Trace: [ 95.283071] dump_stack+0x123/0x171 [ 95.286828] should_fail.cold.4+0x5/0xa [ 95.290900] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 95.297398] ? lock_downgrade+0x860/0x860 [ 95.302277] ? ___might_sleep+0x16b/0x270 [ 95.307501] __should_failslab+0xba/0xf0 [ 95.311883] should_failslab+0x9/0x20 [ 95.316075] kmem_cache_alloc_trace+0x2cb/0x740 [ 95.321121] ? qfq_change_class+0xa93/0x14e0 [ 95.325766] ? qfq_change_class+0xa93/0x14e0 [ 95.330351] ? __local_bh_enable_ip+0x160/0x260 [ 95.335557] qfq_change_class+0xad9/0x14e0 [ 95.339890] ? qfq_delete_class+0x2d0/0x2d0 [ 95.344378] ? nla_parse+0x197/0x280 [ 95.348196] tc_ctl_tclass+0x3e9/0xba0 [ 95.352145] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 95.357340] ? find_held_lock+0x36/0x1d0 [ 95.362922] rtnetlink_rcv_msg+0x34f/0x8f0 [ 95.367373] ? rtnetlink_put_metrics+0x490/0x490 [ 95.372907] ? find_held_lock+0x36/0x1d0 [ 95.377450] netlink_rcv_skb+0x13e/0x3d0 [ 95.381708] ? lock_downgrade+0x860/0x860 [ 95.385989] ? rtnetlink_put_metrics+0x490/0x490 [ 95.390906] ? netlink_ack+0xa70/0xa70 [ 95.394868] ? netlink_deliver_tap+0x182/0xb00 [ 95.399837] rtnetlink_rcv+0x10/0x20 [ 95.404059] netlink_unicast+0x443/0x650 [ 95.408440] ? netlink_attachskb+0x6c0/0x6c0 [ 95.413221] ? _copy_from_iter_full+0x182/0x720 [ 95.418331] ? __check_object_size+0x1ef/0x310 [ 95.423183] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 95.428839] netlink_sendmsg+0x764/0xc60 [ 95.432995] ? netlink_unicast+0x650/0x650 [ 95.437608] ? apparmor_socket_sendmsg+0x1b/0x20 [ 95.442442] ? netlink_unicast+0x650/0x650 [ 95.446745] sock_sendmsg+0xb5/0xf0 [ 95.450372] ___sys_sendmsg+0x647/0x950 [ 95.454422] ? find_held_lock+0x36/0x1d0 [ 95.458743] ? copy_msghdr_from_user+0x430/0x430 [ 95.463832] ? __fget+0x278/0x400 [ 95.467498] ? kasan_check_read+0x11/0x20 [ 95.471933] ? __fget+0x295/0x400 [ 95.476125] ? expand_files.part.8+0x700/0x700 [ 95.480983] ? __f_unlock_pos+0xd/0x10 [ 95.485207] ? __fget_light+0x174/0x1e0 [ 95.489377] ? __fdget+0xe/0x10 [ 95.492928] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 95.498609] __sys_sendmsg+0xd9/0x180 [ 95.504365] ? __ia32_sys_shutdown+0x70/0x70 [ 95.509172] ? __sb_end_write+0xa4/0xd0 [ 95.513801] ? kasan_check_write+0x14/0x20 [ 95.518564] ? fput+0x18/0x120 [ 95.521768] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.527741] __x64_sys_sendmsg+0x73/0xb0 [ 95.532541] do_syscall_64+0xd0/0x4e0 [ 95.537371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.542872] RIP: 0033:0x463d89 [ 95.546326] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 95.566814] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.575448] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 95.583321] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 95.590765] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 95.599030] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 95.606378] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 95.614928] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 95.630621] FAULT_INJECTION: forcing a failure. [ 95.630621] name failslab, interval 1, probability 0, space 0, times 0 [ 95.647539] CPU: 1 PID: 8555 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 95.655742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.665193] Call Trace: [ 95.667971] dump_stack+0x123/0x171 [ 95.671603] should_fail.cold.4+0x5/0xa [ 95.675669] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 95.680946] ? lock_downgrade+0x860/0x860 [ 95.685799] ? ___might_sleep+0x16b/0x270 [ 95.689963] __should_failslab+0xba/0xf0 [ 95.694136] should_failslab+0x9/0x20 [ 95.698021] kmem_cache_alloc_trace+0x2cb/0x740 [ 95.702687] ? qfq_change_class+0xa93/0x14e0 [ 95.707092] ? qfq_change_class+0xa93/0x14e0 [ 95.711676] ? __local_bh_enable_ip+0x160/0x260 [ 95.716570] qfq_change_class+0xad9/0x14e0 [ 95.721370] ? qfq_delete_class+0x2d0/0x2d0 [ 95.725880] ? nla_parse+0x197/0x280 [ 95.729824] tc_ctl_tclass+0x3e9/0xba0 [ 95.733999] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 95.739505] ? find_held_lock+0x36/0x1d0 [ 95.743656] rtnetlink_rcv_msg+0x34f/0x8f0 [ 95.748503] ? rtnetlink_put_metrics+0x490/0x490 [ 95.754207] ? find_held_lock+0x36/0x1d0 [ 95.758416] netlink_rcv_skb+0x13e/0x3d0 [ 95.762653] ? lock_downgrade+0x860/0x860 [ 95.766787] ? rtnetlink_put_metrics+0x490/0x490 [ 95.771616] ? netlink_ack+0xa70/0xa70 [ 95.775934] ? netlink_deliver_tap+0x182/0xb00 [ 95.780641] rtnetlink_rcv+0x10/0x20 [ 95.784434] netlink_unicast+0x443/0x650 [ 95.788488] ? netlink_attachskb+0x6c0/0x6c0 [ 95.792886] ? _copy_from_iter_full+0x182/0x720 [ 95.797664] ? __check_object_size+0x1ef/0x310 [ 95.802280] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 95.808070] netlink_sendmsg+0x764/0xc60 [ 95.812477] ? netlink_unicast+0x650/0x650 [ 95.816962] ? apparmor_socket_sendmsg+0x1b/0x20 [ 95.822385] ? netlink_unicast+0x650/0x650 [ 95.826995] sock_sendmsg+0xb5/0xf0 [ 95.830918] ___sys_sendmsg+0x647/0x950 [ 95.834888] ? find_held_lock+0x36/0x1d0 [ 95.839125] ? copy_msghdr_from_user+0x430/0x430 [ 95.844037] ? __fget+0x278/0x400 [ 95.848052] ? kasan_check_read+0x11/0x20 [ 95.852227] ? __fget+0x295/0x400 [ 95.855997] ? expand_files.part.8+0x700/0x700 [ 95.860582] ? __f_unlock_pos+0xd/0x10 [ 95.865022] ? __fget_light+0x174/0x1e0 [ 95.869174] ? __fdget+0xe/0x10 [ 95.872733] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 95.877834] __sys_sendmsg+0xd9/0x180 [ 95.881831] ? __ia32_sys_shutdown+0x70/0x70 [ 95.886546] ? __sb_end_write+0xa4/0xd0 [ 95.891169] ? kasan_check_write+0x14/0x20 [ 95.895723] ? fput+0x18/0x120 [ 95.899122] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.904760] __x64_sys_sendmsg+0x73/0xb0 [ 95.908896] do_syscall_64+0xd0/0x4e0 [ 95.913121] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.918475] RIP: 0033:0x463d89 [ 95.921915] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 95.941383] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.949257] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 95.956519] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 95.963999] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 95.971786] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 95.979822] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 95.988195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 96.010027] FAULT_INJECTION: forcing a failure. [ 96.010027] name failslab, interval 1, probability 0, space 0, times 0 [ 96.022835] CPU: 1 PID: 8565 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 96.031431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.040872] Call Trace: [ 96.043654] dump_stack+0x123/0x171 [ 96.047375] should_fail.cold.4+0x5/0xa [ 96.051348] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 96.056558] ? lock_downgrade+0x860/0x860 [ 96.060790] ? ___might_sleep+0x16b/0x270 [ 96.065028] __should_failslab+0xba/0xf0 [ 96.069079] should_failslab+0x9/0x20 [ 96.073063] kmem_cache_alloc_trace+0x2cb/0x740 [ 96.077810] ? qfq_change_class+0xa93/0x14e0 [ 96.082322] ? qfq_change_class+0xa93/0x14e0 [ 96.087117] ? __local_bh_enable_ip+0x160/0x260 [ 96.092060] qfq_change_class+0xad9/0x14e0 [ 96.096281] ? qfq_delete_class+0x2d0/0x2d0 [ 96.100696] ? nla_parse+0x197/0x280 [ 96.104486] tc_ctl_tclass+0x3e9/0xba0 [ 96.108731] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 96.113925] ? find_held_lock+0x36/0x1d0 [ 96.118381] rtnetlink_rcv_msg+0x34f/0x8f0 [ 96.122825] ? rtnetlink_put_metrics+0x490/0x490 [ 96.128111] ? find_held_lock+0x36/0x1d0 [ 96.132265] netlink_rcv_skb+0x13e/0x3d0 [ 96.136439] ? lock_downgrade+0x860/0x860 [ 96.140969] ? rtnetlink_put_metrics+0x490/0x490 [ 96.146009] ? netlink_ack+0xa70/0xa70 [ 96.150015] ? netlink_deliver_tap+0x182/0xb00 [ 96.155083] rtnetlink_rcv+0x10/0x20 [ 96.159067] netlink_unicast+0x443/0x650 [ 96.163400] ? netlink_attachskb+0x6c0/0x6c0 [ 96.168061] ? _copy_from_iter_full+0x182/0x720 [ 96.172732] ? __check_object_size+0x1ef/0x310 [ 96.177570] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 96.183186] netlink_sendmsg+0x764/0xc60 [ 96.187457] ? netlink_unicast+0x650/0x650 [ 96.191780] ? apparmor_socket_sendmsg+0x1b/0x20 [ 96.196650] ? netlink_unicast+0x650/0x650 [ 96.200993] sock_sendmsg+0xb5/0xf0 [ 96.204886] ___sys_sendmsg+0x647/0x950 [ 96.209058] ? find_held_lock+0x36/0x1d0 [ 96.213127] ? copy_msghdr_from_user+0x430/0x430 [ 96.218148] ? __fget+0x278/0x400 [ 96.221690] ? kasan_check_read+0x11/0x20 [ 96.225912] ? __fget+0x295/0x400 [ 96.229404] ? expand_files.part.8+0x700/0x700 [ 96.234508] ? __f_unlock_pos+0xd/0x10 [ 96.238616] ? __fget_light+0x174/0x1e0 [ 96.242822] ? __fdget+0xe/0x10 [ 96.246089] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 96.251517] __sys_sendmsg+0xd9/0x180 [ 96.255308] ? __ia32_sys_shutdown+0x70/0x70 [ 96.259777] ? __sb_end_write+0xa4/0xd0 [ 96.264280] ? kasan_check_write+0x14/0x20 [ 96.268871] ? fput+0x18/0x120 [ 96.272505] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.277861] __x64_sys_sendmsg+0x73/0xb0 [ 96.281916] do_syscall_64+0xd0/0x4e0 [ 96.285901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.291198] RIP: 0033:0x463d89 [ 96.294567] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.313999] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.322133] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 96.329654] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 96.337676] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 96.345305] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 96.353026] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 96.372558] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 96.398173] FAULT_INJECTION: forcing a failure. [ 96.398173] name failslab, interval 1, probability 0, space 0, times 0 [ 96.410669] CPU: 1 PID: 8571 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 96.418606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.428147] Call Trace: [ 96.430829] dump_stack+0x123/0x171 [ 96.434517] should_fail.cold.4+0x5/0xa [ 96.438479] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 96.443591] ? lock_downgrade+0x860/0x860 [ 96.447827] ? ___might_sleep+0x16b/0x270 [ 96.452183] __should_failslab+0xba/0xf0 [ 96.456263] should_failslab+0x9/0x20 [ 96.460265] kmem_cache_alloc_trace+0x2cb/0x740 [ 96.465271] ? qfq_change_class+0xa93/0x14e0 [ 96.470126] ? qfq_change_class+0xa93/0x14e0 [ 96.474705] ? __local_bh_enable_ip+0x160/0x260 [ 96.479625] qfq_change_class+0xad9/0x14e0 [ 96.484015] ? qfq_delete_class+0x2d0/0x2d0 [ 96.488419] ? nla_parse+0x197/0x280 [ 96.492226] tc_ctl_tclass+0x3e9/0xba0 [ 96.496527] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 96.501709] ? find_held_lock+0x36/0x1d0 [ 96.505770] rtnetlink_rcv_msg+0x34f/0x8f0 [ 96.510258] ? rtnetlink_put_metrics+0x490/0x490 [ 96.516275] ? find_held_lock+0x36/0x1d0 [ 96.520510] netlink_rcv_skb+0x13e/0x3d0 [ 96.524821] ? lock_downgrade+0x860/0x860 [ 96.529158] ? rtnetlink_put_metrics+0x490/0x490 [ 96.533990] ? netlink_ack+0xa70/0xa70 [ 96.537911] ? netlink_deliver_tap+0x182/0xb00 [ 96.543239] rtnetlink_rcv+0x10/0x20 [ 96.546946] netlink_unicast+0x443/0x650 [ 96.551213] ? netlink_attachskb+0x6c0/0x6c0 [ 96.555644] ? _copy_from_iter_full+0x182/0x720 [ 96.560570] ? __check_object_size+0x1ef/0x310 [ 96.565962] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 96.572004] netlink_sendmsg+0x764/0xc60 [ 96.576318] ? netlink_unicast+0x650/0x650 [ 96.580561] ? apparmor_socket_sendmsg+0x1b/0x20 [ 96.586126] ? netlink_unicast+0x650/0x650 [ 96.590784] sock_sendmsg+0xb5/0xf0 [ 96.594506] ___sys_sendmsg+0x647/0x950 [ 96.598489] ? find_held_lock+0x36/0x1d0 [ 96.602576] ? copy_msghdr_from_user+0x430/0x430 [ 96.607414] ? __fget+0x278/0x400 [ 96.610870] ? kasan_check_read+0x11/0x20 [ 96.615097] ? __fget+0x295/0x400 [ 96.618631] ? expand_files.part.8+0x700/0x700 [ 96.623369] ? __f_unlock_pos+0xd/0x10 [ 96.627416] ? __fget_light+0x174/0x1e0 [ 96.631473] ? __fdget+0xe/0x10 [ 96.634756] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 96.640060] __sys_sendmsg+0xd9/0x180 [ 96.644225] ? __ia32_sys_shutdown+0x70/0x70 [ 96.649283] ? __sb_end_write+0xa4/0xd0 [ 96.653611] ? kasan_check_write+0x14/0x20 [ 96.658007] ? fput+0x18/0x120 [ 96.661523] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.667659] __x64_sys_sendmsg+0x73/0xb0 [ 96.672063] do_syscall_64+0xd0/0x4e0 [ 96.675942] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.681128] RIP: 0033:0x463d89 [ 96.684309] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.704084] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.712308] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 96.719852] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 96.727407] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 96.735555] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 96.742942] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 96.757136] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 96.785374] FAULT_INJECTION: forcing a failure. [ 96.785374] name failslab, interval 1, probability 0, space 0, times 0 [ 96.797724] CPU: 0 PID: 8581 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 96.806359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.816223] Call Trace: [ 96.818814] dump_stack+0x123/0x171 [ 96.822438] should_fail.cold.4+0x5/0xa [ 96.826673] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 96.832192] ? lock_downgrade+0x860/0x860 [ 96.836435] ? ___might_sleep+0x16b/0x270 [ 96.840796] __should_failslab+0xba/0xf0 [ 96.845059] should_failslab+0x9/0x20 [ 96.849125] kmem_cache_alloc_trace+0x2cb/0x740 [ 96.854459] ? qfq_change_class+0xa93/0x14e0 [ 96.858877] ? qfq_change_class+0xa93/0x14e0 [ 96.863487] ? __local_bh_enable_ip+0x160/0x260 [ 96.868263] qfq_change_class+0xad9/0x14e0 [ 96.872813] ? qfq_delete_class+0x2d0/0x2d0 [ 96.877216] ? nla_parse+0x197/0x280 [ 96.881021] tc_ctl_tclass+0x3e9/0xba0 [ 96.885092] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 96.890389] ? find_held_lock+0x36/0x1d0 [ 96.894982] rtnetlink_rcv_msg+0x34f/0x8f0 [ 96.899504] ? rtnetlink_put_metrics+0x490/0x490 [ 96.904363] ? find_held_lock+0x36/0x1d0 [ 96.908649] netlink_rcv_skb+0x13e/0x3d0 [ 96.912973] ? lock_downgrade+0x860/0x860 [ 96.917399] ? rtnetlink_put_metrics+0x490/0x490 [ 96.922174] ? netlink_ack+0xa70/0xa70 [ 96.926063] ? netlink_deliver_tap+0x182/0xb00 [ 96.930912] rtnetlink_rcv+0x10/0x20 [ 96.934715] netlink_unicast+0x443/0x650 [ 96.939096] ? netlink_attachskb+0x6c0/0x6c0 [ 96.943620] ? _copy_from_iter_full+0x182/0x720 [ 96.948661] ? __check_object_size+0x1ef/0x310 [ 96.953491] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 96.959283] netlink_sendmsg+0x764/0xc60 [ 96.963343] ? netlink_unicast+0x650/0x650 [ 96.967834] ? apparmor_socket_sendmsg+0x1b/0x20 [ 96.972851] ? netlink_unicast+0x650/0x650 [ 96.977432] sock_sendmsg+0xb5/0xf0 [ 96.981060] ___sys_sendmsg+0x647/0x950 [ 96.985028] ? find_held_lock+0x36/0x1d0 [ 96.989293] ? copy_msghdr_from_user+0x430/0x430 [ 96.994311] ? __fget+0x278/0x400 [ 96.998190] ? kasan_check_read+0x11/0x20 [ 97.002339] ? __fget+0x295/0x400 [ 97.005964] ? expand_files.part.8+0x700/0x700 [ 97.010751] ? __f_unlock_pos+0xd/0x10 [ 97.014729] ? __fget_light+0x174/0x1e0 [ 97.018926] ? __fdget+0xe/0x10 [ 97.022508] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 97.027363] __sys_sendmsg+0xd9/0x180 [ 97.031594] ? __ia32_sys_shutdown+0x70/0x70 [ 97.036073] ? __sb_end_write+0xa4/0xd0 [ 97.040044] ? kasan_check_write+0x14/0x20 [ 97.044444] ? fput+0x18/0x120 [ 97.047861] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.053502] __x64_sys_sendmsg+0x73/0xb0 [ 97.057869] do_syscall_64+0xd0/0x4e0 [ 97.061660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.067322] RIP: 0033:0x463d89 [ 97.070519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.089978] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.097768] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 97.105117] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 97.112585] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 97.120028] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 97.127547] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 97.137318] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 97.153639] FAULT_INJECTION: forcing a failure. [ 97.153639] name failslab, interval 1, probability 0, space 0, times 0 [ 97.165846] CPU: 0 PID: 8591 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 97.173783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.183512] Call Trace: [ 97.186104] dump_stack+0x123/0x171 [ 97.189821] should_fail.cold.4+0x5/0xa [ 97.194301] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 97.199776] ? lock_downgrade+0x860/0x860 [ 97.204362] ? ___might_sleep+0x16b/0x270 [ 97.208703] __should_failslab+0xba/0xf0 [ 97.212876] should_failslab+0x9/0x20 [ 97.216685] kmem_cache_alloc_trace+0x2cb/0x740 [ 97.221705] ? qfq_change_class+0xa93/0x14e0 [ 97.226425] ? qfq_change_class+0xa93/0x14e0 [ 97.231460] ? __local_bh_enable_ip+0x160/0x260 [ 97.236551] qfq_change_class+0xad9/0x14e0 [ 97.240795] ? qfq_delete_class+0x2d0/0x2d0 [ 97.245207] ? nla_parse+0x197/0x280 [ 97.249090] tc_ctl_tclass+0x3e9/0xba0 [ 97.253105] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 97.258210] ? find_held_lock+0x36/0x1d0 [ 97.263184] rtnetlink_rcv_msg+0x34f/0x8f0 [ 97.267751] ? rtnetlink_put_metrics+0x490/0x490 [ 97.273470] ? find_held_lock+0x36/0x1d0 [ 97.278162] netlink_rcv_skb+0x13e/0x3d0 [ 97.282493] ? lock_downgrade+0x860/0x860 [ 97.287481] ? rtnetlink_put_metrics+0x490/0x490 [ 97.292529] ? netlink_ack+0xa70/0xa70 [ 97.296865] ? netlink_deliver_tap+0x182/0xb00 [ 97.301920] rtnetlink_rcv+0x10/0x20 [ 97.305821] netlink_unicast+0x443/0x650 [ 97.310249] ? netlink_attachskb+0x6c0/0x6c0 [ 97.314743] ? _copy_from_iter_full+0x182/0x720 [ 97.319669] ? __check_object_size+0x1ef/0x310 [ 97.324244] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 97.330223] netlink_sendmsg+0x764/0xc60 [ 97.334367] ? netlink_unicast+0x650/0x650 [ 97.338614] ? apparmor_socket_sendmsg+0x1b/0x20 [ 97.343481] ? netlink_unicast+0x650/0x650 [ 97.348458] sock_sendmsg+0xb5/0xf0 [ 97.352515] ___sys_sendmsg+0x647/0x950 [ 97.356502] ? find_held_lock+0x36/0x1d0 [ 97.361040] ? copy_msghdr_from_user+0x430/0x430 [ 97.365972] ? __fget+0x278/0x400 [ 97.369417] ? kasan_check_read+0x11/0x20 [ 97.373571] ? __fget+0x295/0x400 [ 97.377031] ? expand_files.part.8+0x700/0x700 [ 97.381694] ? __f_unlock_pos+0xd/0x10 [ 97.385870] ? __fget_light+0x174/0x1e0 [ 97.389844] ? __fdget+0xe/0x10 [ 97.393211] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 97.398223] __sys_sendmsg+0xd9/0x180 [ 97.402202] ? __ia32_sys_shutdown+0x70/0x70 [ 97.406972] ? __sb_end_write+0xa4/0xd0 [ 97.411167] ? kasan_check_write+0x14/0x20 [ 97.415390] ? fput+0x18/0x120 [ 97.418596] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.423971] __x64_sys_sendmsg+0x73/0xb0 [ 97.428577] do_syscall_64+0xd0/0x4e0 [ 97.432544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.437997] RIP: 0033:0x463d89 [ 97.441446] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.461935] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.470018] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 97.477680] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 97.485362] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 97.493240] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 97.500947] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 97.510372] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 97.537180] FAULT_INJECTION: forcing a failure. [ 97.537180] name failslab, interval 1, probability 0, space 0, times 0 [ 97.550202] CPU: 0 PID: 8601 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 97.558309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.568214] Call Trace: [ 97.571026] dump_stack+0x123/0x171 [ 97.574663] should_fail.cold.4+0x5/0xa [ 97.578646] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 97.583781] ? lock_downgrade+0x860/0x860 [ 97.588290] ? ___might_sleep+0x16b/0x270 [ 97.592491] __should_failslab+0xba/0xf0 [ 97.596572] should_failslab+0x9/0x20 [ 97.600632] kmem_cache_alloc_trace+0x2cb/0x740 [ 97.605800] ? qfq_change_class+0xa93/0x14e0 [ 97.610198] ? qfq_change_class+0xa93/0x14e0 [ 97.614597] ? __local_bh_enable_ip+0x160/0x260 [ 97.619346] qfq_change_class+0xad9/0x14e0 [ 97.623571] ? qfq_delete_class+0x2d0/0x2d0 [ 97.628003] ? nla_parse+0x197/0x280 [ 97.632187] tc_ctl_tclass+0x3e9/0xba0 [ 97.636428] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 97.641535] ? find_held_lock+0x36/0x1d0 [ 97.645603] rtnetlink_rcv_msg+0x34f/0x8f0 [ 97.650230] ? rtnetlink_put_metrics+0x490/0x490 [ 97.655071] ? find_held_lock+0x36/0x1d0 [ 97.659466] netlink_rcv_skb+0x13e/0x3d0 [ 97.663551] ? lock_downgrade+0x860/0x860 [ 97.667699] ? rtnetlink_put_metrics+0x490/0x490 [ 97.672561] ? netlink_ack+0xa70/0xa70 [ 97.676460] ? netlink_deliver_tap+0x182/0xb00 [ 97.681237] rtnetlink_rcv+0x10/0x20 [ 97.685028] netlink_unicast+0x443/0x650 [ 97.689081] ? netlink_attachskb+0x6c0/0x6c0 [ 97.693837] ? _copy_from_iter_full+0x182/0x720 [ 97.698525] ? __check_object_size+0x1ef/0x310 [ 97.703256] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 97.709154] netlink_sendmsg+0x764/0xc60 [ 97.715886] ? netlink_unicast+0x650/0x650 [ 97.720587] ? apparmor_socket_sendmsg+0x1b/0x20 [ 97.725358] ? netlink_unicast+0x650/0x650 [ 97.729740] sock_sendmsg+0xb5/0xf0 [ 97.733445] ___sys_sendmsg+0x647/0x950 [ 97.737592] ? find_held_lock+0x36/0x1d0 [ 97.741883] ? copy_msghdr_from_user+0x430/0x430 [ 97.746734] ? __fget+0x278/0x400 [ 97.750799] ? kasan_check_read+0x11/0x20 [ 97.755535] ? __fget+0x295/0x400 [ 97.758994] ? expand_files.part.8+0x700/0x700 [ 97.763721] ? __f_unlock_pos+0xd/0x10 [ 97.767608] ? __fget_light+0x174/0x1e0 [ 97.772216] ? __fdget+0xe/0x10 [ 97.775496] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 97.780423] __sys_sendmsg+0xd9/0x180 [ 97.784394] ? __ia32_sys_shutdown+0x70/0x70 [ 97.788897] ? __sb_end_write+0xa4/0xd0 [ 97.792862] ? kasan_check_write+0x14/0x20 [ 97.797320] ? fput+0x18/0x120 [ 97.800661] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.806034] __x64_sys_sendmsg+0x73/0xb0 [ 97.810380] do_syscall_64+0xd0/0x4e0 [ 97.814526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.819816] RIP: 0033:0x463d89 [ 97.823210] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.842462] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.850357] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 97.857797] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 97.865734] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 97.873796] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 97.881663] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 97.892074] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 97.910777] FAULT_INJECTION: forcing a failure. [ 97.910777] name failslab, interval 1, probability 0, space 0, times 0 [ 97.923685] CPU: 0 PID: 8611 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 97.932015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.941550] Call Trace: [ 97.944352] dump_stack+0x123/0x171 [ 97.947994] should_fail.cold.4+0x5/0xa [ 97.952394] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 97.957681] ? lock_downgrade+0x860/0x860 [ 97.962015] ? ___might_sleep+0x16b/0x270 [ 97.966156] __should_failslab+0xba/0xf0 [ 97.970224] should_failslab+0x9/0x20 [ 97.974032] kmem_cache_alloc_trace+0x2cb/0x740 [ 97.978708] ? qfq_change_class+0xa93/0x14e0 [ 97.983430] ? qfq_change_class+0xa93/0x14e0 [ 97.987845] ? __local_bh_enable_ip+0x160/0x260 [ 97.992714] qfq_change_class+0xad9/0x14e0 [ 97.996966] ? qfq_delete_class+0x2d0/0x2d0 [ 98.001483] ? nla_parse+0x197/0x280 [ 98.005285] tc_ctl_tclass+0x3e9/0xba0 [ 98.009178] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 98.014282] ? find_held_lock+0x36/0x1d0 [ 98.018956] rtnetlink_rcv_msg+0x34f/0x8f0 [ 98.023370] ? rtnetlink_put_metrics+0x490/0x490 [ 98.028336] ? find_held_lock+0x36/0x1d0 [ 98.032407] netlink_rcv_skb+0x13e/0x3d0 [ 98.036462] ? lock_downgrade+0x860/0x860 [ 98.040956] ? rtnetlink_put_metrics+0x490/0x490 [ 98.045805] ? netlink_ack+0xa70/0xa70 [ 98.049683] ? netlink_deliver_tap+0x182/0xb00 [ 98.054519] rtnetlink_rcv+0x10/0x20 [ 98.058227] netlink_unicast+0x443/0x650 [ 98.062713] ? netlink_attachskb+0x6c0/0x6c0 [ 98.067311] ? _copy_from_iter_full+0x182/0x720 [ 98.072328] ? __check_object_size+0x1ef/0x310 [ 98.077156] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 98.083936] netlink_sendmsg+0x764/0xc60 [ 98.088103] ? netlink_unicast+0x650/0x650 [ 98.092540] ? apparmor_socket_sendmsg+0x1b/0x20 [ 98.097415] ? netlink_unicast+0x650/0x650 [ 98.102227] sock_sendmsg+0xb5/0xf0 [ 98.105939] ___sys_sendmsg+0x647/0x950 [ 98.110089] ? find_held_lock+0x36/0x1d0 [ 98.114578] ? copy_msghdr_from_user+0x430/0x430 [ 98.119696] ? __fget+0x278/0x400 [ 98.123233] ? kasan_check_read+0x11/0x20 [ 98.127386] ? __fget+0x295/0x400 [ 98.130938] ? expand_files.part.8+0x700/0x700 [ 98.135715] ? __f_unlock_pos+0xd/0x10 [ 98.140103] ? __fget_light+0x174/0x1e0 [ 98.145018] ? __fdget+0xe/0x10 [ 98.148567] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 98.153754] __sys_sendmsg+0xd9/0x180 [ 98.158300] ? __ia32_sys_shutdown+0x70/0x70 [ 98.163116] ? __sb_end_write+0xa4/0xd0 [ 98.167390] ? kasan_check_write+0x14/0x20 [ 98.171627] ? fput+0x18/0x120 [ 98.175283] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.181220] __x64_sys_sendmsg+0x73/0xb0 [ 98.185674] do_syscall_64+0xd0/0x4e0 [ 98.189820] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.195232] RIP: 0033:0x463d89 [ 98.198528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.218386] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.226900] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 98.234532] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 98.241999] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 98.249547] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 98.257221] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 98.274112] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 98.309373] FAULT_INJECTION: forcing a failure. [ 98.309373] name failslab, interval 1, probability 0, space 0, times 0 [ 98.321896] CPU: 0 PID: 8629 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 98.330019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.339816] Call Trace: [ 98.342489] dump_stack+0x123/0x171 [ 98.346396] should_fail.cold.4+0x5/0xa [ 98.350371] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 98.356291] ? lock_downgrade+0x860/0x860 [ 98.361508] ? ___might_sleep+0x16b/0x270 [ 98.366953] __should_failslab+0xba/0xf0 [ 98.371033] should_failslab+0x9/0x20 [ 98.374920] kmem_cache_alloc_trace+0x2cb/0x740 [ 98.380161] ? qfq_change_class+0xa93/0x14e0 [ 98.384859] ? qfq_change_class+0xa93/0x14e0 [ 98.389933] ? __local_bh_enable_ip+0x160/0x260 [ 98.394696] qfq_change_class+0xad9/0x14e0 [ 98.399279] ? qfq_delete_class+0x2d0/0x2d0 [ 98.403602] ? nla_parse+0x197/0x280 [ 98.407402] tc_ctl_tclass+0x3e9/0xba0 [ 98.411553] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 98.416663] ? find_held_lock+0x36/0x1d0 [ 98.420819] rtnetlink_rcv_msg+0x34f/0x8f0 [ 98.425071] ? rtnetlink_put_metrics+0x490/0x490 [ 98.430018] ? find_held_lock+0x36/0x1d0 [ 98.434198] netlink_rcv_skb+0x13e/0x3d0 [ 98.438251] ? lock_downgrade+0x860/0x860 [ 98.443025] ? rtnetlink_put_metrics+0x490/0x490 [ 98.447784] ? netlink_ack+0xa70/0xa70 [ 98.451780] ? netlink_deliver_tap+0x182/0xb00 [ 98.456502] rtnetlink_rcv+0x10/0x20 [ 98.460425] netlink_unicast+0x443/0x650 [ 98.465427] ? netlink_attachskb+0x6c0/0x6c0 [ 98.470355] ? _copy_from_iter_full+0x182/0x720 [ 98.475480] ? __check_object_size+0x1ef/0x310 [ 98.480287] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 98.486938] netlink_sendmsg+0x764/0xc60 [ 98.491729] ? netlink_unicast+0x650/0x650 [ 98.496137] ? apparmor_socket_sendmsg+0x1b/0x20 [ 98.500896] ? netlink_unicast+0x650/0x650 [ 98.505127] sock_sendmsg+0xb5/0xf0 [ 98.508928] ___sys_sendmsg+0x647/0x950 [ 98.513289] ? find_held_lock+0x36/0x1d0 [ 98.518036] ? copy_msghdr_from_user+0x430/0x430 [ 98.525081] ? __fget+0x278/0x400 [ 98.529297] ? kasan_check_read+0x11/0x20 [ 98.534757] ? __fget+0x295/0x400 [ 98.538298] ? expand_files.part.8+0x700/0x700 [ 98.543347] ? __f_unlock_pos+0xd/0x10 [ 98.547236] ? __fget_light+0x174/0x1e0 [ 98.551460] ? __fdget+0xe/0x10 [ 98.555592] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 98.561935] __sys_sendmsg+0xd9/0x180 [ 98.567732] ? __ia32_sys_shutdown+0x70/0x70 [ 98.572513] ? __sb_end_write+0xa4/0xd0 [ 98.576496] ? kasan_check_write+0x14/0x20 [ 98.581469] ? fput+0x18/0x120 [ 98.584831] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.590379] __x64_sys_sendmsg+0x73/0xb0 [ 98.594624] do_syscall_64+0xd0/0x4e0 [ 98.598504] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.604614] RIP: 0033:0x463d89 [ 98.608097] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.628326] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.636443] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 98.643738] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 98.651362] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 98.658618] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 98.666232] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 98.688365] FAULT_INJECTION: forcing a failure. [ 98.688365] name failslab, interval 1, probability 0, space 0, times 0 [ 98.700259] CPU: 1 PID: 8631 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 98.708512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.717962] Call Trace: [ 98.720558] dump_stack+0x123/0x171 [ 98.724304] should_fail.cold.4+0x5/0xa [ 98.728507] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 98.733704] ? lock_downgrade+0x860/0x860 [ 98.738312] ? ___might_sleep+0x16b/0x270 [ 98.742552] __should_failslab+0xba/0xf0 [ 98.746619] should_failslab+0x9/0x20 [ 98.750787] kmem_cache_alloc_trace+0x2cb/0x740 [ 98.755616] ? qfq_change_class+0xa93/0x14e0 [ 98.760104] ? qfq_change_class+0xa93/0x14e0 [ 98.764513] ? __local_bh_enable_ip+0x160/0x260 [ 98.769366] qfq_change_class+0xad9/0x14e0 [ 98.773763] ? qfq_delete_class+0x2d0/0x2d0 [ 98.778602] ? nla_parse+0x197/0x280 [ 98.782402] tc_ctl_tclass+0x3e9/0xba0 [ 98.786456] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 98.791814] ? find_held_lock+0x36/0x1d0 [ 98.795981] rtnetlink_rcv_msg+0x34f/0x8f0 [ 98.800294] ? rtnetlink_put_metrics+0x490/0x490 [ 98.805102] ? find_held_lock+0x36/0x1d0 [ 98.809159] netlink_rcv_skb+0x13e/0x3d0 [ 98.813610] ? lock_downgrade+0x860/0x860 [ 98.817969] ? rtnetlink_put_metrics+0x490/0x490 [ 98.822714] ? netlink_ack+0xa70/0xa70 [ 98.827028] ? netlink_deliver_tap+0x182/0xb00 [ 98.831899] rtnetlink_rcv+0x10/0x20 [ 98.836053] netlink_unicast+0x443/0x650 [ 98.840375] ? netlink_attachskb+0x6c0/0x6c0 [ 98.844782] ? _copy_from_iter_full+0x182/0x720 [ 98.849714] ? __check_object_size+0x1ef/0x310 [ 98.854514] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 98.860150] netlink_sendmsg+0x764/0xc60 [ 98.864393] ? netlink_unicast+0x650/0x650 [ 98.868973] ? apparmor_socket_sendmsg+0x1b/0x20 [ 98.874163] ? netlink_unicast+0x650/0x650 [ 98.878386] sock_sendmsg+0xb5/0xf0 [ 98.882364] ___sys_sendmsg+0x647/0x950 [ 98.886326] ? find_held_lock+0x36/0x1d0 [ 98.890894] ? copy_msghdr_from_user+0x430/0x430 [ 98.895766] ? __fget+0x278/0x400 [ 98.899296] ? kasan_check_read+0x11/0x20 [ 98.903520] ? __fget+0x295/0x400 [ 98.906962] ? expand_files.part.8+0x700/0x700 [ 98.911777] ? __f_unlock_pos+0xd/0x10 [ 98.915707] ? __fget_light+0x174/0x1e0 [ 98.919817] ? __fdget+0xe/0x10 [ 98.923207] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 98.928049] __sys_sendmsg+0xd9/0x180 [ 98.931939] ? __ia32_sys_shutdown+0x70/0x70 [ 98.936450] ? __sb_end_write+0xa4/0xd0 [ 98.940601] ? kasan_check_write+0x14/0x20 [ 98.944907] ? fput+0x18/0x120 [ 98.948499] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.954139] __x64_sys_sendmsg+0x73/0xb0 [ 98.958377] do_syscall_64+0xd0/0x4e0 [ 98.962473] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.967684] RIP: 0033:0x463d89 [ 98.971307] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.990814] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.998693] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 99.006305] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 99.013697] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 99.021258] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 99.028822] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 99.044756] FAULT_INJECTION: forcing a failure. [ 99.044756] name failslab, interval 1, probability 0, space 0, times 0 [ 99.058512] CPU: 1 PID: 8641 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 99.066522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.076073] Call Trace: [ 99.078754] dump_stack+0x123/0x171 [ 99.082391] should_fail.cold.4+0x5/0xa [ 99.086384] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 99.091789] ? lock_downgrade+0x860/0x860 [ 99.096037] ? ___might_sleep+0x16b/0x270 [ 99.100182] __should_failslab+0xba/0xf0 [ 99.104499] should_failslab+0x9/0x20 [ 99.108302] kmem_cache_alloc_trace+0x2cb/0x740 [ 99.113662] ? qfq_change_class+0xa93/0x14e0 [ 99.119598] ? qfq_change_class+0xa93/0x14e0 [ 99.124196] ? __local_bh_enable_ip+0x160/0x260 [ 99.128881] qfq_change_class+0xad9/0x14e0 [ 99.133476] ? qfq_delete_class+0x2d0/0x2d0 [ 99.137967] ? nla_parse+0x197/0x280 [ 99.141806] tc_ctl_tclass+0x3e9/0xba0 [ 99.145998] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 99.151182] ? find_held_lock+0x36/0x1d0 [ 99.155328] rtnetlink_rcv_msg+0x34f/0x8f0 [ 99.159829] ? rtnetlink_put_metrics+0x490/0x490 [ 99.164846] ? find_held_lock+0x36/0x1d0 [ 99.169096] netlink_rcv_skb+0x13e/0x3d0 [ 99.173248] ? lock_downgrade+0x860/0x860 [ 99.177681] ? rtnetlink_put_metrics+0x490/0x490 [ 99.182431] ? netlink_ack+0xa70/0xa70 [ 99.186432] ? netlink_deliver_tap+0x182/0xb00 [ 99.191116] rtnetlink_rcv+0x10/0x20 [ 99.194841] netlink_unicast+0x443/0x650 [ 99.199079] ? netlink_attachskb+0x6c0/0x6c0 [ 99.203484] ? _copy_from_iter_full+0x182/0x720 [ 99.208231] ? __check_object_size+0x1ef/0x310 [ 99.213081] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 99.219694] netlink_sendmsg+0x764/0xc60 [ 99.223857] ? netlink_unicast+0x650/0x650 [ 99.228365] ? apparmor_socket_sendmsg+0x1b/0x20 [ 99.233593] ? netlink_unicast+0x650/0x650 [ 99.238213] sock_sendmsg+0xb5/0xf0 [ 99.241854] ___sys_sendmsg+0x647/0x950 [ 99.246186] ? find_held_lock+0x36/0x1d0 [ 99.250244] ? copy_msghdr_from_user+0x430/0x430 [ 99.255014] ? __fget+0x278/0x400 [ 99.258804] ? kasan_check_read+0x11/0x20 [ 99.263121] ? __fget+0x295/0x400 [ 99.266798] ? expand_files.part.8+0x700/0x700 [ 99.271460] ? __f_unlock_pos+0xd/0x10 [ 99.275516] ? __fget_light+0x174/0x1e0 [ 99.279621] ? __fdget+0xe/0x10 [ 99.282905] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 99.288564] __sys_sendmsg+0xd9/0x180 [ 99.292558] ? __ia32_sys_shutdown+0x70/0x70 [ 99.297334] ? __sb_end_write+0xa4/0xd0 [ 99.301451] ? kasan_check_write+0x14/0x20 [ 99.306462] ? fput+0x18/0x120 [ 99.310110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.315485] __x64_sys_sendmsg+0x73/0xb0 [ 99.319658] do_syscall_64+0xd0/0x4e0 [ 99.323590] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.328994] RIP: 0033:0x463d89 [ 99.332187] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.352709] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.360950] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 99.369413] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 99.377243] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 99.385025] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 99.392390] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 99.422937] FAULT_INJECTION: forcing a failure. [ 99.422937] name failslab, interval 1, probability 0, space 0, times 0 [ 99.435265] CPU: 1 PID: 8651 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 99.443181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.452807] Call Trace: [ 99.455476] dump_stack+0x123/0x171 [ 99.459459] should_fail.cold.4+0x5/0xa [ 99.463440] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 99.468646] ? lock_downgrade+0x860/0x860 [ 99.474988] ? ___might_sleep+0x16b/0x270 [ 99.479251] __should_failslab+0xba/0xf0 [ 99.483510] should_failslab+0x9/0x20 [ 99.487523] kmem_cache_alloc_trace+0x2cb/0x740 [ 99.492410] ? qfq_change_class+0xa93/0x14e0 [ 99.497017] ? qfq_change_class+0xa93/0x14e0 [ 99.501443] ? __local_bh_enable_ip+0x160/0x260 [ 99.506319] qfq_change_class+0xad9/0x14e0 [ 99.510809] ? qfq_delete_class+0x2d0/0x2d0 [ 99.515133] ? nla_parse+0x197/0x280 [ 99.518996] tc_ctl_tclass+0x3e9/0xba0 [ 99.523036] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 99.528335] ? find_held_lock+0x36/0x1d0 [ 99.532493] rtnetlink_rcv_msg+0x34f/0x8f0 [ 99.536889] ? rtnetlink_put_metrics+0x490/0x490 [ 99.542144] ? find_held_lock+0x36/0x1d0 [ 99.546213] netlink_rcv_skb+0x13e/0x3d0 [ 99.550516] ? lock_downgrade+0x860/0x860 [ 99.555055] ? rtnetlink_put_metrics+0x490/0x490 [ 99.559906] ? netlink_ack+0xa70/0xa70 [ 99.563808] ? netlink_deliver_tap+0x182/0xb00 [ 99.569273] rtnetlink_rcv+0x10/0x20 [ 99.573071] netlink_unicast+0x443/0x650 [ 99.577204] ? netlink_attachskb+0x6c0/0x6c0 [ 99.581632] ? _copy_from_iter_full+0x182/0x720 [ 99.586678] ? __check_object_size+0x1ef/0x310 [ 99.592130] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 99.597745] netlink_sendmsg+0x764/0xc60 [ 99.601793] ? netlink_unicast+0x650/0x650 [ 99.606133] ? apparmor_socket_sendmsg+0x1b/0x20 [ 99.610874] ? netlink_unicast+0x650/0x650 [ 99.615091] sock_sendmsg+0xb5/0xf0 [ 99.618728] ___sys_sendmsg+0x647/0x950 [ 99.622689] ? find_held_lock+0x36/0x1d0 [ 99.626748] ? copy_msghdr_from_user+0x430/0x430 [ 99.631706] ? __fget+0x278/0x400 [ 99.635232] ? kasan_check_read+0x11/0x20 [ 99.639391] ? __fget+0x295/0x400 [ 99.642960] ? expand_files.part.8+0x700/0x700 [ 99.647558] ? __f_unlock_pos+0xd/0x10 [ 99.652459] ? __fget_light+0x174/0x1e0 [ 99.656840] ? __fdget+0xe/0x10 [ 99.660124] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 99.665396] __sys_sendmsg+0xd9/0x180 [ 99.669190] ? __ia32_sys_shutdown+0x70/0x70 [ 99.673784] ? __sb_end_write+0xa4/0xd0 [ 99.677855] ? kasan_check_write+0x14/0x20 [ 99.682177] ? fput+0x18/0x120 [ 99.685457] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.691014] __x64_sys_sendmsg+0x73/0xb0 [ 99.695258] do_syscall_64+0xd0/0x4e0 [ 99.699226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.704776] RIP: 0033:0x463d89 [ 99.707962] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.727616] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.735490] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 99.742841] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 99.750573] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 99.758011] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 99.765681] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 99.780628] FAULT_INJECTION: forcing a failure. [ 99.780628] name failslab, interval 1, probability 0, space 0, times 0 [ 99.795013] CPU: 1 PID: 8661 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 99.802919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.812631] Call Trace: [ 99.815319] dump_stack+0x123/0x171 [ 99.818965] should_fail.cold.4+0x5/0xa [ 99.823037] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 99.828280] ? lock_downgrade+0x860/0x860 [ 99.832521] ? ___might_sleep+0x16b/0x270 [ 99.837285] __should_failslab+0xba/0xf0 [ 99.841340] should_failslab+0x9/0x20 [ 99.845212] kmem_cache_alloc_trace+0x2cb/0x740 [ 99.849984] ? qfq_change_class+0xa93/0x14e0 [ 99.854388] ? qfq_change_class+0xa93/0x14e0 [ 99.858792] ? __local_bh_enable_ip+0x160/0x260 [ 99.863454] qfq_change_class+0xad9/0x14e0 [ 99.867699] ? qfq_delete_class+0x2d0/0x2d0 [ 99.872183] ? nla_parse+0x197/0x280 [ 99.876261] tc_ctl_tclass+0x3e9/0xba0 [ 99.880246] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 99.885429] ? find_held_lock+0x36/0x1d0 [ 99.890043] rtnetlink_rcv_msg+0x34f/0x8f0 [ 99.894457] ? rtnetlink_put_metrics+0x490/0x490 [ 99.899380] ? find_held_lock+0x36/0x1d0 [ 99.903528] netlink_rcv_skb+0x13e/0x3d0 [ 99.907868] ? lock_downgrade+0x860/0x860 [ 99.912181] ? rtnetlink_put_metrics+0x490/0x490 [ 99.916929] ? netlink_ack+0xa70/0xa70 [ 99.921005] ? netlink_deliver_tap+0x182/0xb00 [ 99.925767] rtnetlink_rcv+0x10/0x20 [ 99.929567] netlink_unicast+0x443/0x650 [ 99.933977] ? netlink_attachskb+0x6c0/0x6c0 [ 99.938659] ? _copy_from_iter_full+0x182/0x720 [ 99.943596] ? __check_object_size+0x1ef/0x310 [ 99.948331] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 99.954430] netlink_sendmsg+0x764/0xc60 [ 99.958773] ? netlink_unicast+0x650/0x650 [ 99.963016] ? apparmor_socket_sendmsg+0x1b/0x20 [ 99.967760] ? netlink_unicast+0x650/0x650 [ 99.971988] sock_sendmsg+0xb5/0xf0 [ 99.975633] ___sys_sendmsg+0x647/0x950 [ 99.979830] ? find_held_lock+0x36/0x1d0 [ 99.983977] ? copy_msghdr_from_user+0x430/0x430 [ 99.988830] ? __fget+0x278/0x400 [ 99.992375] ? kasan_check_read+0x11/0x20 [ 99.996605] ? __fget+0x295/0x400 [ 100.000230] ? expand_files.part.8+0x700/0x700 [ 100.004901] ? __f_unlock_pos+0xd/0x10 [ 100.008782] ? __fget_light+0x174/0x1e0 [ 100.012845] ? __fdget+0xe/0x10 [ 100.016233] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 100.021084] __sys_sendmsg+0xd9/0x180 [ 100.024880] ? __ia32_sys_shutdown+0x70/0x70 [ 100.029290] ? __sb_end_write+0xa4/0xd0 [ 100.033392] ? kasan_check_write+0x14/0x20 [ 100.037805] ? fput+0x18/0x120 [ 100.041295] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.046902] __x64_sys_sendmsg+0x73/0xb0 [ 100.051037] do_syscall_64+0xd0/0x4e0 [ 100.054824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.059996] RIP: 0033:0x463d89 2021/04/24 20:07:14 executed programs: 154 [ 100.063371] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.083726] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.091728] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 100.099164] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 100.107605] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 100.115161] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 100.122527] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 100.133179] nla_parse: 4 callbacks suppressed [ 100.133184] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 100.170151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 100.188662] FAULT_INJECTION: forcing a failure. [ 100.188662] name failslab, interval 1, probability 0, space 0, times 0 [ 100.200820] CPU: 0 PID: 8680 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 100.209282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.219368] Call Trace: [ 100.222072] dump_stack+0x123/0x171 [ 100.226105] should_fail.cold.4+0x5/0xa [ 100.230407] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 100.236465] ? lock_downgrade+0x860/0x860 [ 100.241228] ? ___might_sleep+0x16b/0x270 [ 100.246009] __should_failslab+0xba/0xf0 [ 100.250852] should_failslab+0x9/0x20 [ 100.255438] kmem_cache_alloc_trace+0x2cb/0x740 [ 100.260207] ? qfq_change_class+0xa93/0x14e0 [ 100.264819] ? qfq_change_class+0xa93/0x14e0 [ 100.269492] ? __local_bh_enable_ip+0x160/0x260 [ 100.274451] qfq_change_class+0xad9/0x14e0 [ 100.280263] ? qfq_delete_class+0x2d0/0x2d0 [ 100.284697] ? nla_parse+0x197/0x280 [ 100.288599] tc_ctl_tclass+0x3e9/0xba0 [ 100.292477] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 100.297663] ? find_held_lock+0x36/0x1d0 [ 100.301850] rtnetlink_rcv_msg+0x34f/0x8f0 [ 100.306180] ? rtnetlink_put_metrics+0x490/0x490 [ 100.311313] ? find_held_lock+0x36/0x1d0 [ 100.315460] netlink_rcv_skb+0x13e/0x3d0 [ 100.319705] ? lock_downgrade+0x860/0x860 [ 100.324764] ? rtnetlink_put_metrics+0x490/0x490 [ 100.329648] ? netlink_ack+0xa70/0xa70 [ 100.334166] ? netlink_deliver_tap+0x182/0xb00 [ 100.339110] rtnetlink_rcv+0x10/0x20 [ 100.343270] netlink_unicast+0x443/0x650 [ 100.347655] ? netlink_attachskb+0x6c0/0x6c0 [ 100.352661] ? _copy_from_iter_full+0x182/0x720 [ 100.357515] ? __check_object_size+0x1ef/0x310 [ 100.362329] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 100.368484] netlink_sendmsg+0x764/0xc60 [ 100.372738] ? netlink_unicast+0x650/0x650 [ 100.377068] ? apparmor_socket_sendmsg+0x1b/0x20 [ 100.382594] ? netlink_unicast+0x650/0x650 [ 100.387467] sock_sendmsg+0xb5/0xf0 [ 100.391417] ___sys_sendmsg+0x647/0x950 [ 100.395668] ? find_held_lock+0x36/0x1d0 [ 100.399969] ? copy_msghdr_from_user+0x430/0x430 [ 100.404819] ? __fget+0x278/0x400 [ 100.408271] ? kasan_check_read+0x11/0x20 [ 100.412968] ? __fget+0x295/0x400 [ 100.416642] ? expand_files.part.8+0x700/0x700 [ 100.421234] ? __f_unlock_pos+0xd/0x10 [ 100.425158] ? __fget_light+0x174/0x1e0 [ 100.429236] ? __fdget+0xe/0x10 [ 100.433234] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 100.438858] __sys_sendmsg+0xd9/0x180 [ 100.443121] ? __ia32_sys_shutdown+0x70/0x70 [ 100.447530] ? __sb_end_write+0xa4/0xd0 [ 100.451493] ? kasan_check_write+0x14/0x20 [ 100.456181] ? fput+0x18/0x120 [ 100.459645] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.465535] __x64_sys_sendmsg+0x73/0xb0 [ 100.470121] do_syscall_64+0xd0/0x4e0 [ 100.473914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.479096] RIP: 0033:0x463d89 [ 100.482581] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.503197] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.511761] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 100.519563] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 100.527102] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 100.534908] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 100.542372] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 100.552201] FAULT_INJECTION: forcing a failure. [ 100.552201] name failslab, interval 1, probability 0, space 0, times 0 [ 100.565302] CPU: 0 PID: 8681 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 100.573531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.583018] Call Trace: [ 100.585646] dump_stack+0x123/0x171 [ 100.589291] should_fail.cold.4+0x5/0xa [ 100.593740] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 100.599113] ? lock_downgrade+0x860/0x860 [ 100.603263] ? ___might_sleep+0x16b/0x270 [ 100.607621] __should_failslab+0xba/0xf0 [ 100.612021] should_failslab+0x9/0x20 [ 100.616005] kmem_cache_alloc_trace+0x2cb/0x740 [ 100.620945] ? qfq_change_class+0xa93/0x14e0 [ 100.625356] ? qfq_change_class+0xa93/0x14e0 [ 100.629951] ? __local_bh_enable_ip+0x160/0x260 [ 100.634807] qfq_change_class+0xad9/0x14e0 [ 100.639561] ? qfq_delete_class+0x2d0/0x2d0 [ 100.644200] ? nla_parse+0x197/0x280 [ 100.647922] tc_ctl_tclass+0x3e9/0xba0 [ 100.651809] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 100.657160] ? find_held_lock+0x36/0x1d0 [ 100.661558] rtnetlink_rcv_msg+0x34f/0x8f0 [ 100.666006] ? rtnetlink_put_metrics+0x490/0x490 [ 100.670836] ? find_held_lock+0x36/0x1d0 [ 100.675030] netlink_rcv_skb+0x13e/0x3d0 [ 100.680086] ? lock_downgrade+0x860/0x860 [ 100.684358] ? rtnetlink_put_metrics+0x490/0x490 [ 100.689117] ? netlink_ack+0xa70/0xa70 [ 100.693090] ? netlink_deliver_tap+0x182/0xb00 [ 100.697856] rtnetlink_rcv+0x10/0x20 [ 100.701759] netlink_unicast+0x443/0x650 [ 100.706011] ? netlink_attachskb+0x6c0/0x6c0 [ 100.710700] ? _copy_from_iter_full+0x182/0x720 [ 100.715512] ? __check_object_size+0x1ef/0x310 [ 100.720771] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 100.726790] netlink_sendmsg+0x764/0xc60 [ 100.731044] ? netlink_unicast+0x650/0x650 [ 100.735638] ? apparmor_socket_sendmsg+0x1b/0x20 [ 100.741209] ? netlink_unicast+0x650/0x650 [ 100.745687] sock_sendmsg+0xb5/0xf0 [ 100.749395] ___sys_sendmsg+0x647/0x950 [ 100.753648] ? find_held_lock+0x36/0x1d0 [ 100.758365] ? copy_msghdr_from_user+0x430/0x430 [ 100.763437] ? __fget+0x278/0x400 [ 100.766986] ? kasan_check_read+0x11/0x20 [ 100.771368] ? __fget+0x295/0x400 [ 100.775300] ? expand_files.part.8+0x700/0x700 [ 100.780479] ? __f_unlock_pos+0xd/0x10 [ 100.784469] ? __fget_light+0x174/0x1e0 [ 100.788872] ? __fdget+0xe/0x10 [ 100.792293] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 100.797488] __sys_sendmsg+0xd9/0x180 [ 100.801284] ? __ia32_sys_shutdown+0x70/0x70 [ 100.806199] ? __sb_end_write+0xa4/0xd0 [ 100.810644] ? kasan_check_write+0x14/0x20 [ 100.815493] ? fput+0x18/0x120 [ 100.818926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.824503] __x64_sys_sendmsg+0x73/0xb0 [ 100.828581] do_syscall_64+0xd0/0x4e0 [ 100.832377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.837737] RIP: 0033:0x463d89 [ 100.841023] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.861845] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.869645] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 100.877098] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 100.884887] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 100.892325] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 100.900183] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 100.908420] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 100.924556] FAULT_INJECTION: forcing a failure. [ 100.924556] name failslab, interval 1, probability 0, space 0, times 0 [ 100.936976] CPU: 0 PID: 8691 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 100.945115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.955014] Call Trace: [ 100.957697] dump_stack+0x123/0x171 [ 100.961341] should_fail.cold.4+0x5/0xa [ 100.965419] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 100.970825] ? lock_downgrade+0x860/0x860 [ 100.974973] ? ___might_sleep+0x16b/0x270 [ 100.979212] __should_failslab+0xba/0xf0 [ 100.983448] should_failslab+0x9/0x20 [ 100.987244] kmem_cache_alloc_trace+0x2cb/0x740 [ 100.992136] ? qfq_change_class+0xa93/0x14e0 [ 100.996800] ? qfq_change_class+0xa93/0x14e0 [ 101.001401] ? __local_bh_enable_ip+0x160/0x260 [ 101.006070] qfq_change_class+0xad9/0x14e0 [ 101.010582] ? qfq_delete_class+0x2d0/0x2d0 [ 101.015012] ? nla_parse+0x197/0x280 [ 101.018806] tc_ctl_tclass+0x3e9/0xba0 [ 101.022822] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 101.027924] ? find_held_lock+0x36/0x1d0 [ 101.032279] rtnetlink_rcv_msg+0x34f/0x8f0 [ 101.037309] ? rtnetlink_put_metrics+0x490/0x490 [ 101.042302] ? find_held_lock+0x36/0x1d0 [ 101.046782] netlink_rcv_skb+0x13e/0x3d0 [ 101.051142] ? lock_downgrade+0x860/0x860 [ 101.055682] ? rtnetlink_put_metrics+0x490/0x490 [ 101.060438] ? netlink_ack+0xa70/0xa70 [ 101.064352] ? netlink_deliver_tap+0x182/0xb00 [ 101.069321] rtnetlink_rcv+0x10/0x20 [ 101.073105] netlink_unicast+0x443/0x650 [ 101.077352] ? netlink_attachskb+0x6c0/0x6c0 [ 101.081758] ? _copy_from_iter_full+0x182/0x720 [ 101.087038] ? __check_object_size+0x1ef/0x310 [ 101.091785] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 101.097611] netlink_sendmsg+0x764/0xc60 [ 101.101790] ? netlink_unicast+0x650/0x650 [ 101.106387] ? apparmor_socket_sendmsg+0x1b/0x20 [ 101.111921] ? netlink_unicast+0x650/0x650 [ 101.116329] sock_sendmsg+0xb5/0xf0 [ 101.120092] ___sys_sendmsg+0x647/0x950 [ 101.124448] ? find_held_lock+0x36/0x1d0 [ 101.128704] ? copy_msghdr_from_user+0x430/0x430 [ 101.133650] ? __fget+0x278/0x400 [ 101.137112] ? kasan_check_read+0x11/0x20 [ 101.141507] ? __fget+0x295/0x400 [ 101.145085] ? expand_files.part.8+0x700/0x700 [ 101.149815] ? __f_unlock_pos+0xd/0x10 [ 101.153833] ? __fget_light+0x174/0x1e0 [ 101.158087] ? __fdget+0xe/0x10 [ 101.161453] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 101.167454] __sys_sendmsg+0xd9/0x180 [ 101.171380] ? __ia32_sys_shutdown+0x70/0x70 [ 101.176146] ? __sb_end_write+0xa4/0xd0 [ 101.180308] ? kasan_check_write+0x14/0x20 [ 101.185995] ? fput+0x18/0x120 [ 101.189191] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.194817] __x64_sys_sendmsg+0x73/0xb0 [ 101.199345] do_syscall_64+0xd0/0x4e0 [ 101.203184] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.208667] RIP: 0033:0x463d89 [ 101.212285] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.232131] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.239845] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 101.247397] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 101.255174] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 101.262686] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 101.270234] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 101.280224] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 101.295538] FAULT_INJECTION: forcing a failure. [ 101.295538] name failslab, interval 1, probability 0, space 0, times 0 [ 101.308131] CPU: 0 PID: 8701 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 101.316028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.325472] Call Trace: [ 101.328064] dump_stack+0x123/0x171 [ 101.331946] should_fail.cold.4+0x5/0xa [ 101.335923] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 101.341024] ? lock_downgrade+0x860/0x860 [ 101.345201] ? ___might_sleep+0x16b/0x270 [ 101.349357] __should_failslab+0xba/0xf0 [ 101.353527] should_failslab+0x9/0x20 [ 101.357412] kmem_cache_alloc_trace+0x2cb/0x740 [ 101.362772] ? qfq_change_class+0xa93/0x14e0 [ 101.367784] ? qfq_change_class+0xa93/0x14e0 [ 101.373004] ? __local_bh_enable_ip+0x160/0x260 [ 101.377905] qfq_change_class+0xad9/0x14e0 [ 101.383133] ? qfq_delete_class+0x2d0/0x2d0 [ 101.387464] ? nla_parse+0x197/0x280 [ 101.391183] tc_ctl_tclass+0x3e9/0xba0 [ 101.395625] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 101.400824] ? find_held_lock+0x36/0x1d0 [ 101.404892] rtnetlink_rcv_msg+0x34f/0x8f0 [ 101.409434] ? rtnetlink_put_metrics+0x490/0x490 [ 101.414183] ? find_held_lock+0x36/0x1d0 [ 101.418246] netlink_rcv_skb+0x13e/0x3d0 [ 101.422494] ? lock_downgrade+0x860/0x860 [ 101.426671] ? rtnetlink_put_metrics+0x490/0x490 [ 101.431687] ? netlink_ack+0xa70/0xa70 [ 101.435699] ? netlink_deliver_tap+0x182/0xb00 [ 101.440577] rtnetlink_rcv+0x10/0x20 [ 101.444385] netlink_unicast+0x443/0x650 [ 101.448803] ? netlink_attachskb+0x6c0/0x6c0 [ 101.453396] ? _copy_from_iter_full+0x182/0x720 [ 101.458508] ? __check_object_size+0x1ef/0x310 [ 101.463229] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 101.468876] netlink_sendmsg+0x764/0xc60 [ 101.473206] ? netlink_unicast+0x650/0x650 [ 101.477600] ? apparmor_socket_sendmsg+0x1b/0x20 [ 101.482468] ? netlink_unicast+0x650/0x650 [ 101.486698] sock_sendmsg+0xb5/0xf0 [ 101.490334] ___sys_sendmsg+0x647/0x950 [ 101.494298] ? find_held_lock+0x36/0x1d0 [ 101.498353] ? copy_msghdr_from_user+0x430/0x430 [ 101.503297] ? __fget+0x278/0x400 [ 101.506834] ? kasan_check_read+0x11/0x20 [ 101.511085] ? __fget+0x295/0x400 [ 101.514671] ? expand_files.part.8+0x700/0x700 [ 101.519433] ? __f_unlock_pos+0xd/0x10 [ 101.523319] ? __fget_light+0x174/0x1e0 [ 101.527472] ? __fdget+0xe/0x10 [ 101.530859] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 101.536012] __sys_sendmsg+0xd9/0x180 [ 101.539943] ? __ia32_sys_shutdown+0x70/0x70 [ 101.544479] ? __sb_end_write+0xa4/0xd0 [ 101.548446] ? kasan_check_write+0x14/0x20 [ 101.552812] ? fput+0x18/0x120 [ 101.556394] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.561861] __x64_sys_sendmsg+0x73/0xb0 [ 101.565935] do_syscall_64+0xd0/0x4e0 [ 101.569745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.575407] RIP: 0033:0x463d89 [ 101.578859] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.598296] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.606011] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 101.613275] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 101.620739] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 101.628391] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 101.636009] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 101.645114] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 101.661537] FAULT_INJECTION: forcing a failure. [ 101.661537] name failslab, interval 1, probability 0, space 0, times 0 [ 101.673266] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 101.674209] CPU: 0 PID: 8711 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 101.689763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.699890] Call Trace: [ 101.702487] dump_stack+0x123/0x171 [ 101.706214] should_fail.cold.4+0x5/0xa [ 101.710436] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 101.712946] FAULT_INJECTION: forcing a failure. [ 101.712946] name failslab, interval 1, probability 0, space 0, times 0 [ 101.715547] __should_failslab+0xba/0xf0 [ 101.715556] should_failslab+0x9/0x20 [ 101.715562] kmem_cache_alloc+0x47/0x720 [ 101.715572] ? lock_acquire+0x173/0x3d0 [ 101.715582] skb_clone+0x115/0x340 [ 101.715592] netlink_deliver_tap+0x7d7/0xb00 [ 101.715604] __netlink_sendskb+0x62/0xc0 [ 101.715611] netlink_unicast+0x4ea/0x650 [ 101.715622] ? netlink_attachskb+0x6c0/0x6c0 [ 101.763675] netlink_ack+0x519/0xa70 [ 101.767387] ? netlink_sendmsg+0xc60/0xc60 [ 101.771789] ? find_held_lock+0x36/0x1d0 [ 101.775933] netlink_rcv_skb+0x2a8/0x3d0 [ 101.779980] ? lock_downgrade+0x860/0x860 [ 101.784348] ? rtnetlink_put_metrics+0x490/0x490 [ 101.789281] ? netlink_ack+0xa70/0xa70 [ 101.793382] ? netlink_deliver_tap+0x182/0xb00 [ 101.798049] rtnetlink_rcv+0x10/0x20 [ 101.801762] netlink_unicast+0x443/0x650 [ 101.806027] ? netlink_attachskb+0x6c0/0x6c0 [ 101.810425] ? _copy_from_iter_full+0x182/0x720 [ 101.815263] ? __check_object_size+0x1ef/0x310 [ 101.819922] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 101.825749] netlink_sendmsg+0x764/0xc60 [ 101.829813] ? netlink_unicast+0x650/0x650 [ 101.834057] ? apparmor_socket_sendmsg+0x1b/0x20 [ 101.838838] ? netlink_unicast+0x650/0x650 [ 101.843357] sock_sendmsg+0xb5/0xf0 [ 101.846991] ___sys_sendmsg+0x647/0x950 [ 101.851072] ? find_held_lock+0x36/0x1d0 [ 101.855196] ? copy_msghdr_from_user+0x430/0x430 [ 101.860036] ? __fget+0x278/0x400 [ 101.863921] ? kasan_check_read+0x11/0x20 [ 101.868061] ? __fget+0x295/0x400 [ 101.871605] ? expand_files.part.8+0x700/0x700 [ 101.876263] ? __f_unlock_pos+0xd/0x10 [ 101.880281] ? __fget_light+0x174/0x1e0 [ 101.884653] ? __fdget+0xe/0x10 [ 101.888019] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 101.893245] __sys_sendmsg+0xd9/0x180 [ 101.897219] ? __ia32_sys_shutdown+0x70/0x70 [ 101.901802] ? __sb_end_write+0xa4/0xd0 [ 101.905959] ? kasan_check_write+0x14/0x20 [ 101.910380] ? fput+0x18/0x120 [ 101.914025] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.919550] __x64_sys_sendmsg+0x73/0xb0 [ 101.923683] do_syscall_64+0xd0/0x4e0 [ 101.928607] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.934219] RIP: 0033:0x463d89 [ 101.937489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.957451] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.965935] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 101.973375] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 101.980893] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 101.988316] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 101.995666] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 102.003295] CPU: 1 PID: 8725 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 102.011308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.021598] Call Trace: [ 102.024266] dump_stack+0x123/0x171 [ 102.027897] should_fail.cold.4+0x5/0xa [ 102.031865] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 102.037143] ? lock_downgrade+0x860/0x860 [ 102.041294] ? ___might_sleep+0x16b/0x270 [ 102.045800] __should_failslab+0xba/0xf0 [ 102.049929] should_failslab+0x9/0x20 [ 102.053715] kmem_cache_alloc_trace+0x2cb/0x740 [ 102.058385] ? qfq_change_class+0xa93/0x14e0 [ 102.063347] ? qfq_change_class+0xa93/0x14e0 [ 102.068510] ? __local_bh_enable_ip+0x160/0x260 [ 102.073239] qfq_change_class+0xad9/0x14e0 [ 102.077558] ? qfq_delete_class+0x2d0/0x2d0 [ 102.081967] ? nla_parse+0x197/0x280 [ 102.085665] tc_ctl_tclass+0x3e9/0xba0 [ 102.089720] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 102.094996] ? find_held_lock+0x36/0x1d0 [ 102.099075] rtnetlink_rcv_msg+0x34f/0x8f0 [ 102.103621] ? rtnetlink_put_metrics+0x490/0x490 [ 102.108428] ? find_held_lock+0x36/0x1d0 [ 102.113058] netlink_rcv_skb+0x13e/0x3d0 [ 102.117215] ? lock_downgrade+0x860/0x860 [ 102.121723] ? rtnetlink_put_metrics+0x490/0x490 [ 102.126479] ? netlink_ack+0xa70/0xa70 [ 102.130351] ? netlink_deliver_tap+0x182/0xb00 [ 102.135097] rtnetlink_rcv+0x10/0x20 [ 102.138972] netlink_unicast+0x443/0x650 [ 102.143036] ? netlink_attachskb+0x6c0/0x6c0 [ 102.147835] ? _copy_from_iter_full+0x182/0x720 [ 102.152814] ? __check_object_size+0x1ef/0x310 [ 102.157467] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 102.163354] netlink_sendmsg+0x764/0xc60 [ 102.167942] ? netlink_unicast+0x650/0x650 [ 102.172281] ? apparmor_socket_sendmsg+0x1b/0x20 [ 102.177058] ? netlink_unicast+0x650/0x650 [ 102.181410] sock_sendmsg+0xb5/0xf0 [ 102.185036] ___sys_sendmsg+0x647/0x950 [ 102.189049] ? find_held_lock+0x36/0x1d0 [ 102.193381] ? copy_msghdr_from_user+0x430/0x430 [ 102.198209] ? __fget+0x278/0x400 [ 102.201772] ? kasan_check_read+0x11/0x20 [ 102.205906] ? __fget+0x295/0x400 [ 102.209345] ? expand_files.part.8+0x700/0x700 [ 102.213927] ? __f_unlock_pos+0xd/0x10 [ 102.217797] ? __fget_light+0x174/0x1e0 [ 102.222013] ? __fdget+0xe/0x10 [ 102.225273] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 102.230198] __sys_sendmsg+0xd9/0x180 [ 102.234154] ? __ia32_sys_shutdown+0x70/0x70 [ 102.238986] ? __sb_end_write+0xa4/0xd0 [ 102.243248] ? kasan_check_write+0x14/0x20 [ 102.247879] ? fput+0x18/0x120 [ 102.251251] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.256992] __x64_sys_sendmsg+0x73/0xb0 [ 102.261474] do_syscall_64+0xd0/0x4e0 [ 102.265267] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.270619] RIP: 0033:0x463d89 [ 102.273799] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.292778] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 102.301084] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 102.308517] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 102.317434] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 102.325062] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 102.332716] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 102.362248] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 102.398244] FAULT_INJECTION: forcing a failure. [ 102.398244] name failslab, interval 1, probability 0, space 0, times 0 [ 102.410999] CPU: 0 PID: 8731 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 102.418977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.428946] Call Trace: [ 102.431971] dump_stack+0x123/0x171 [ 102.435600] should_fail.cold.4+0x5/0xa [ 102.439573] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 102.445074] ? lock_downgrade+0x860/0x860 [ 102.449528] ? ___might_sleep+0x16b/0x270 [ 102.453997] __should_failslab+0xba/0xf0 [ 102.458285] should_failslab+0x9/0x20 [ 102.462088] kmem_cache_alloc_trace+0x2cb/0x740 [ 102.466952] ? qfq_change_class+0xa93/0x14e0 [ 102.471702] ? qfq_change_class+0xa93/0x14e0 [ 102.476119] ? __local_bh_enable_ip+0x160/0x260 [ 102.480805] qfq_change_class+0xad9/0x14e0 [ 102.485220] ? qfq_delete_class+0x2d0/0x2d0 [ 102.489641] ? nla_parse+0x197/0x280 [ 102.493353] tc_ctl_tclass+0x3e9/0xba0 [ 102.497316] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 102.502429] ? find_held_lock+0x36/0x1d0 [ 102.506572] rtnetlink_rcv_msg+0x34f/0x8f0 [ 102.510934] ? rtnetlink_put_metrics+0x490/0x490 [ 102.515681] ? find_held_lock+0x36/0x1d0 [ 102.519839] netlink_rcv_skb+0x13e/0x3d0 [ 102.524063] ? lock_downgrade+0x860/0x860 [ 102.528199] ? rtnetlink_put_metrics+0x490/0x490 [ 102.533125] ? netlink_ack+0xa70/0xa70 [ 102.537102] ? netlink_deliver_tap+0x182/0xb00 [ 102.541836] rtnetlink_rcv+0x10/0x20 [ 102.545736] netlink_unicast+0x443/0x650 [ 102.549888] ? netlink_attachskb+0x6c0/0x6c0 [ 102.554370] ? _copy_from_iter_full+0x182/0x720 [ 102.559240] ? __check_object_size+0x1ef/0x310 [ 102.564408] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 102.570615] netlink_sendmsg+0x764/0xc60 [ 102.574866] ? netlink_unicast+0x650/0x650 [ 102.579212] ? apparmor_socket_sendmsg+0x1b/0x20 [ 102.584194] ? netlink_unicast+0x650/0x650 [ 102.589043] sock_sendmsg+0xb5/0xf0 [ 102.592845] ___sys_sendmsg+0x647/0x950 [ 102.597174] ? find_held_lock+0x36/0x1d0 [ 102.601459] ? copy_msghdr_from_user+0x430/0x430 [ 102.606580] ? __fget+0x278/0x400 [ 102.610206] ? kasan_check_read+0x11/0x20 [ 102.614446] ? __fget+0x295/0x400 [ 102.619378] ? expand_files.part.8+0x700/0x700 [ 102.624203] ? __f_unlock_pos+0xd/0x10 [ 102.628276] ? __fget_light+0x174/0x1e0 [ 102.632469] ? __fdget+0xe/0x10 [ 102.636102] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 102.641275] __sys_sendmsg+0xd9/0x180 [ 102.645062] ? __ia32_sys_shutdown+0x70/0x70 [ 102.649741] ? __sb_end_write+0xa4/0xd0 [ 102.653809] ? kasan_check_write+0x14/0x20 [ 102.658120] ? fput+0x18/0x120 [ 102.661561] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.667172] __x64_sys_sendmsg+0x73/0xb0 [ 102.671338] do_syscall_64+0xd0/0x4e0 [ 102.675610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.680926] RIP: 0033:0x463d89 [ 102.684219] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.704235] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 102.712112] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 102.719927] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 102.727490] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 102.735037] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 102.742608] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 102.752221] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 102.784636] FAULT_INJECTION: forcing a failure. [ 102.784636] name failslab, interval 1, probability 0, space 0, times 0 [ 102.801919] CPU: 1 PID: 8741 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 102.809998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.819930] Call Trace: [ 102.822517] dump_stack+0x123/0x171 [ 102.826240] should_fail.cold.4+0x5/0xa [ 102.830403] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 102.835676] ? lock_downgrade+0x860/0x860 [ 102.839952] ? ___might_sleep+0x16b/0x270 [ 102.844225] __should_failslab+0xba/0xf0 [ 102.848371] should_failslab+0x9/0x20 [ 102.852277] kmem_cache_alloc_trace+0x2cb/0x740 [ 102.857048] ? qfq_change_class+0xa93/0x14e0 [ 102.861744] ? qfq_change_class+0xa93/0x14e0 [ 102.866252] ? __local_bh_enable_ip+0x160/0x260 [ 102.871181] qfq_change_class+0xad9/0x14e0 [ 102.875428] ? qfq_delete_class+0x2d0/0x2d0 [ 102.879897] ? nla_parse+0x197/0x280 [ 102.883605] tc_ctl_tclass+0x3e9/0xba0 [ 102.887579] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 102.893299] ? find_held_lock+0x36/0x1d0 [ 102.897448] rtnetlink_rcv_msg+0x34f/0x8f0 [ 102.901702] ? rtnetlink_put_metrics+0x490/0x490 [ 102.906561] ? find_held_lock+0x36/0x1d0 [ 102.910703] netlink_rcv_skb+0x13e/0x3d0 [ 102.914844] ? lock_downgrade+0x860/0x860 [ 102.919074] ? rtnetlink_put_metrics+0x490/0x490 [ 102.923910] ? netlink_ack+0xa70/0xa70 [ 102.927794] ? netlink_deliver_tap+0x182/0xb00 [ 102.932372] rtnetlink_rcv+0x10/0x20 [ 102.936163] netlink_unicast+0x443/0x650 [ 102.940317] ? netlink_attachskb+0x6c0/0x6c0 [ 102.944891] ? _copy_from_iter_full+0x182/0x720 [ 102.949552] ? __check_object_size+0x1ef/0x310 [ 102.954122] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 102.959651] netlink_sendmsg+0x764/0xc60 [ 102.963696] ? netlink_unicast+0x650/0x650 [ 102.968020] ? apparmor_socket_sendmsg+0x1b/0x20 [ 102.973646] ? netlink_unicast+0x650/0x650 [ 102.977957] sock_sendmsg+0xb5/0xf0 [ 102.981700] ___sys_sendmsg+0x647/0x950 [ 102.985663] ? find_held_lock+0x36/0x1d0 [ 102.989707] ? copy_msghdr_from_user+0x430/0x430 [ 102.998883] ? __fget+0x278/0x400 [ 103.002326] ? kasan_check_read+0x11/0x20 [ 103.006549] ? __fget+0x295/0x400 [ 103.010161] ? expand_files.part.8+0x700/0x700 [ 103.014897] ? __f_unlock_pos+0xd/0x10 [ 103.018776] ? __fget_light+0x174/0x1e0 [ 103.022825] ? __fdget+0xe/0x10 [ 103.026087] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 103.031100] __sys_sendmsg+0xd9/0x180 [ 103.034985] ? __ia32_sys_shutdown+0x70/0x70 [ 103.039667] ? __sb_end_write+0xa4/0xd0 [ 103.043891] ? kasan_check_write+0x14/0x20 [ 103.048420] ? fput+0x18/0x120 [ 103.051601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.057310] __x64_sys_sendmsg+0x73/0xb0 [ 103.061619] do_syscall_64+0xd0/0x4e0 [ 103.065854] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.071144] RIP: 0033:0x463d89 [ 103.074444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 103.094773] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 103.103067] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 103.110710] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 103.118425] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 103.125782] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 103.133049] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 103.144122] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 103.182484] FAULT_INJECTION: forcing a failure. [ 103.182484] name failslab, interval 1, probability 0, space 0, times 0 [ 103.194203] CPU: 1 PID: 8751 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 103.202357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.211926] Call Trace: [ 103.214507] dump_stack+0x123/0x171 [ 103.218241] should_fail.cold.4+0x5/0xa [ 103.222207] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 103.227994] ? lock_downgrade+0x860/0x860 [ 103.232311] ? ___might_sleep+0x16b/0x270 [ 103.236759] __should_failslab+0xba/0xf0 [ 103.241013] should_failslab+0x9/0x20 [ 103.244812] kmem_cache_alloc_trace+0x2cb/0x740 [ 103.249831] ? qfq_change_class+0xa93/0x14e0 [ 103.255066] ? qfq_change_class+0xa93/0x14e0 [ 103.259776] ? __local_bh_enable_ip+0x160/0x260 [ 103.266177] qfq_change_class+0xad9/0x14e0 [ 103.270953] ? qfq_delete_class+0x2d0/0x2d0 [ 103.275559] ? nla_parse+0x197/0x280 [ 103.279344] tc_ctl_tclass+0x3e9/0xba0 [ 103.283249] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 103.288352] ? find_held_lock+0x36/0x1d0 [ 103.292586] rtnetlink_rcv_msg+0x34f/0x8f0 [ 103.297009] ? rtnetlink_put_metrics+0x490/0x490 [ 103.301759] ? find_held_lock+0x36/0x1d0 [ 103.306081] netlink_rcv_skb+0x13e/0x3d0 [ 103.310197] ? lock_downgrade+0x860/0x860 [ 103.315066] ? rtnetlink_put_metrics+0x490/0x490 [ 103.320457] ? netlink_ack+0xa70/0xa70 [ 103.324621] ? netlink_deliver_tap+0x182/0xb00 [ 103.329206] rtnetlink_rcv+0x10/0x20 [ 103.332915] netlink_unicast+0x443/0x650 [ 103.337048] ? netlink_attachskb+0x6c0/0x6c0 [ 103.341728] ? _copy_from_iter_full+0x182/0x720 [ 103.346599] ? __check_object_size+0x1ef/0x310 [ 103.351377] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 103.357265] netlink_sendmsg+0x764/0xc60 [ 103.364279] ? netlink_unicast+0x650/0x650 [ 103.369083] ? apparmor_socket_sendmsg+0x1b/0x20 [ 103.373956] ? netlink_unicast+0x650/0x650 [ 103.378613] sock_sendmsg+0xb5/0xf0 [ 103.382730] ___sys_sendmsg+0x647/0x950 [ 103.389128] ? copy_msghdr_from_user+0x430/0x430 [ 103.394348] ? finish_task_switch+0x11c/0x6f0 [ 103.398970] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.403970] ? lockdep_hardirqs_on+0x421/0x5c0 [ 103.408587] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.413709] ? trace_hardirqs_on_caller+0x28/0x180 [ 103.418822] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.423970] ? retint_kernel+0x2d/0x2d [ 103.427861] __sys_sendmsg+0xd9/0x180 [ 103.432090] ? __ia32_sys_shutdown+0x70/0x70 [ 103.436811] ? __sb_end_write+0xa4/0xd0 [ 103.440922] ? kasan_check_write+0x14/0x20 [ 103.445458] ? fput+0x18/0x120 [ 103.448653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.454917] __x64_sys_sendmsg+0x73/0xb0 [ 103.459362] do_syscall_64+0xd0/0x4e0 [ 103.463463] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.468807] RIP: 0033:0x463d89 [ 103.472104] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 103.492555] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 103.500573] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 103.508122] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 103.515886] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 103.523605] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 103.531403] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 103.540999] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 103.558183] FAULT_INJECTION: forcing a failure. [ 103.558183] name failslab, interval 1, probability 0, space 0, times 0 [ 103.572860] CPU: 1 PID: 8767 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 103.581219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.591120] Call Trace: [ 103.593807] dump_stack+0x123/0x171 [ 103.597893] should_fail.cold.4+0x5/0xa [ 103.602036] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 103.607519] ? lock_downgrade+0x860/0x860 [ 103.612233] ? ___might_sleep+0x16b/0x270 [ 103.616999] __should_failslab+0xba/0xf0 [ 103.621365] should_failslab+0x9/0x20 [ 103.625193] kmem_cache_alloc_trace+0x2cb/0x740 [ 103.630362] ? qfq_change_class+0xa93/0x14e0 [ 103.635488] ? qfq_change_class+0xa93/0x14e0 [ 103.639991] ? __local_bh_enable_ip+0x160/0x260 [ 103.644851] qfq_change_class+0xad9/0x14e0 [ 103.649175] ? qfq_delete_class+0x2d0/0x2d0 [ 103.653782] ? nla_parse+0x197/0x280 [ 103.657817] tc_ctl_tclass+0x3e9/0xba0 [ 103.661921] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 103.669842] ? find_held_lock+0x36/0x1d0 [ 103.674417] rtnetlink_rcv_msg+0x34f/0x8f0 [ 103.678676] ? rtnetlink_put_metrics+0x490/0x490 [ 103.683432] ? find_held_lock+0x36/0x1d0 [ 103.687577] netlink_rcv_skb+0x13e/0x3d0 [ 103.692229] ? lock_downgrade+0x860/0x860 [ 103.698908] ? rtnetlink_put_metrics+0x490/0x490 [ 103.704899] ? netlink_ack+0xa70/0xa70 [ 103.709449] ? netlink_deliver_tap+0x182/0xb00 [ 103.714186] rtnetlink_rcv+0x10/0x20 [ 103.719043] netlink_unicast+0x443/0x650 [ 103.724139] ? netlink_attachskb+0x6c0/0x6c0 [ 103.729201] ? _copy_from_iter_full+0x182/0x720 [ 103.734331] ? __check_object_size+0x1ef/0x310 [ 103.740182] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 103.745728] netlink_sendmsg+0x764/0xc60 [ 103.749783] ? netlink_unicast+0x650/0x650 [ 103.754587] ? apparmor_socket_sendmsg+0x1b/0x20 [ 103.759919] ? netlink_unicast+0x650/0x650 [ 103.764543] sock_sendmsg+0xb5/0xf0 [ 103.768269] ___sys_sendmsg+0x647/0x950 [ 103.772669] ? find_held_lock+0x36/0x1d0 [ 103.777093] ? copy_msghdr_from_user+0x430/0x430 [ 103.781864] ? __fget+0x278/0x400 [ 103.785430] ? kasan_check_read+0x11/0x20 [ 103.789674] ? __fget+0x295/0x400 [ 103.793213] ? expand_files.part.8+0x700/0x700 [ 103.797971] ? __f_unlock_pos+0xd/0x10 [ 103.801947] ? __fget_light+0x174/0x1e0 [ 103.806812] ? __fdget+0xe/0x10 [ 103.810718] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 103.816149] __sys_sendmsg+0xd9/0x180 [ 103.820125] ? __ia32_sys_shutdown+0x70/0x70 [ 103.824660] ? __sb_end_write+0xa4/0xd0 [ 103.828748] ? kasan_check_write+0x14/0x20 [ 103.833591] ? fput+0x18/0x120 [ 103.836922] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.842379] __x64_sys_sendmsg+0x73/0xb0 [ 103.846535] do_syscall_64+0xd0/0x4e0 [ 103.850541] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.855928] RIP: 0033:0x463d89 [ 103.859111] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 103.878842] RSP: 002b:00007fed802a1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 103.886541] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 103.893844] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 103.901777] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 103.909126] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c180 [ 103.916566] R13: 00007fed802a16bc R14: 0000000000000008 R15: 0000000000000001 [ 103.958818] FAULT_INJECTION: forcing a failure. [ 103.958818] name failslab, interval 1, probability 0, space 0, times 0 [ 103.972725] CPU: 0 PID: 8789 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 103.980856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.991144] Call Trace: [ 103.993907] dump_stack+0x123/0x171 [ 103.998302] should_fail.cold.4+0x5/0xa [ 104.003808] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 104.009334] ? lock_downgrade+0x860/0x860 [ 104.014090] ? ___might_sleep+0x16b/0x270 [ 104.019339] __should_failslab+0xba/0xf0 [ 104.023777] should_failslab+0x9/0x20 [ 104.027800] kmem_cache_alloc_trace+0x2cb/0x740 [ 104.032573] ? qfq_change_class+0xa93/0x14e0 [ 104.037187] ? qfq_change_class+0xa93/0x14e0 [ 104.041819] ? __local_bh_enable_ip+0x160/0x260 [ 104.046752] qfq_change_class+0xad9/0x14e0 [ 104.051169] ? qfq_delete_class+0x2d0/0x2d0 [ 104.056162] ? nla_parse+0x197/0x280 [ 104.060328] tc_ctl_tclass+0x3e9/0xba0 [ 104.064248] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 104.069634] ? find_held_lock+0x36/0x1d0 [ 104.073815] rtnetlink_rcv_msg+0x34f/0x8f0 [ 104.078235] ? rtnetlink_put_metrics+0x490/0x490 [ 104.083180] ? find_held_lock+0x36/0x1d0 [ 104.087250] netlink_rcv_skb+0x13e/0x3d0 [ 104.091458] ? lock_downgrade+0x860/0x860 [ 104.095737] ? rtnetlink_put_metrics+0x490/0x490 [ 104.100645] ? netlink_ack+0xa70/0xa70 [ 104.104817] ? netlink_deliver_tap+0x182/0xb00 [ 104.109666] rtnetlink_rcv+0x10/0x20 [ 104.113494] netlink_unicast+0x443/0x650 [ 104.117807] ? netlink_attachskb+0x6c0/0x6c0 [ 104.122854] ? _copy_from_iter_full+0x182/0x720 [ 104.127741] ? __check_object_size+0x1ef/0x310 [ 104.132494] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 104.138276] netlink_sendmsg+0x764/0xc60 [ 104.142864] ? netlink_unicast+0x650/0x650 [ 104.147191] ? apparmor_socket_sendmsg+0x1b/0x20 [ 104.152129] ? netlink_unicast+0x650/0x650 [ 104.156461] sock_sendmsg+0xb5/0xf0 [ 104.160167] ___sys_sendmsg+0x647/0x950 [ 104.164311] ? find_held_lock+0x36/0x1d0 [ 104.168753] ? copy_msghdr_from_user+0x430/0x430 [ 104.174095] ? __fget+0x278/0x400 [ 104.177543] ? kasan_check_read+0x11/0x20 [ 104.182189] ? __fget+0x295/0x400 [ 104.185786] ? expand_files.part.8+0x700/0x700 [ 104.190527] ? __f_unlock_pos+0xd/0x10 [ 104.194770] ? __fget_light+0x174/0x1e0 [ 104.199013] ? __fdget+0xe/0x10 [ 104.202392] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 104.207839] __sys_sendmsg+0xd9/0x180 [ 104.211773] ? __ia32_sys_shutdown+0x70/0x70 [ 104.216581] ? __sb_end_write+0xa4/0xd0 [ 104.220718] ? kasan_check_write+0x14/0x20 [ 104.224960] ? fput+0x18/0x120 [ 104.228165] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.233839] __x64_sys_sendmsg+0x73/0xb0 [ 104.238216] do_syscall_64+0xd0/0x4e0 [ 104.242368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.247650] RIP: 0033:0x463d89 [ 104.250839] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 104.270501] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.278597] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 104.286025] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 104.293305] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 104.300879] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 104.308772] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 104.320293] FAULT_INJECTION: forcing a failure. [ 104.320293] name failslab, interval 1, probability 0, space 0, times 0 [ 104.333334] CPU: 0 PID: 8790 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 104.341332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.351070] Call Trace: [ 104.353705] dump_stack+0x123/0x171 [ 104.357338] should_fail.cold.4+0x5/0xa [ 104.362546] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 104.367659] ? lock_downgrade+0x860/0x860 [ 104.371813] ? ___might_sleep+0x16b/0x270 [ 104.375971] __should_failslab+0xba/0xf0 [ 104.380038] should_failslab+0x9/0x20 [ 104.384415] kmem_cache_alloc_trace+0x2cb/0x740 [ 104.389613] ? qfq_change_class+0xa93/0x14e0 [ 104.394512] ? qfq_change_class+0xa93/0x14e0 [ 104.399293] ? __local_bh_enable_ip+0x160/0x260 [ 104.404565] qfq_change_class+0xad9/0x14e0 [ 104.408999] ? qfq_delete_class+0x2d0/0x2d0 [ 104.413411] ? nla_parse+0x197/0x280 [ 104.417560] tc_ctl_tclass+0x3e9/0xba0 [ 104.421531] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 104.426935] ? find_held_lock+0x36/0x1d0 [ 104.431200] rtnetlink_rcv_msg+0x34f/0x8f0 [ 104.435433] ? rtnetlink_put_metrics+0x490/0x490 [ 104.440186] ? find_held_lock+0x36/0x1d0 [ 104.444501] netlink_rcv_skb+0x13e/0x3d0 [ 104.448562] ? lock_downgrade+0x860/0x860 [ 104.452982] ? rtnetlink_put_metrics+0x490/0x490 [ 104.457871] ? netlink_ack+0xa70/0xa70 [ 104.461931] ? netlink_deliver_tap+0x182/0xb00 [ 104.466526] rtnetlink_rcv+0x10/0x20 [ 104.470643] netlink_unicast+0x443/0x650 [ 104.474915] ? netlink_attachskb+0x6c0/0x6c0 [ 104.479750] ? _copy_from_iter_full+0x182/0x720 [ 104.484592] ? __check_object_size+0x1ef/0x310 [ 104.489448] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 104.495572] netlink_sendmsg+0x764/0xc60 [ 104.499748] ? netlink_unicast+0x650/0x650 [ 104.504026] ? apparmor_socket_sendmsg+0x1b/0x20 [ 104.508802] ? netlink_unicast+0x650/0x650 [ 104.513338] sock_sendmsg+0xb5/0xf0 [ 104.517206] ___sys_sendmsg+0x647/0x950 [ 104.521642] ? find_held_lock+0x36/0x1d0 [ 104.525870] ? copy_msghdr_from_user+0x430/0x430 [ 104.530809] ? __fget+0x278/0x400 [ 104.534574] ? kasan_check_read+0x11/0x20 [ 104.538806] ? __fget+0x295/0x400 [ 104.542425] ? expand_files.part.8+0x700/0x700 [ 104.547431] ? __f_unlock_pos+0xd/0x10 [ 104.551506] ? __fget_light+0x174/0x1e0 [ 104.555609] ? __fdget+0xe/0x10 [ 104.559157] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 104.565199] __sys_sendmsg+0xd9/0x180 [ 104.569795] ? __ia32_sys_shutdown+0x70/0x70 [ 104.574946] ? __sb_end_write+0xa4/0xd0 [ 104.579385] ? kasan_check_write+0x14/0x20 [ 104.583722] ? fput+0x18/0x120 [ 104.588857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.595980] __x64_sys_sendmsg+0x73/0xb0 [ 104.600494] do_syscall_64+0xd0/0x4e0 [ 104.604652] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.610091] RIP: 0033:0x463d89 [ 104.613655] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 104.634110] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.642130] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 104.649568] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 104.657275] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 104.665360] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 104.672868] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 104.683147] FAULT_INJECTION: forcing a failure. [ 104.683147] name failslab, interval 1, probability 0, space 0, times 0 [ 104.696387] CPU: 0 PID: 8793 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 104.704310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.713867] Call Trace: [ 104.716631] dump_stack+0x123/0x171 [ 104.720386] should_fail.cold.4+0x5/0xa [ 104.724492] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 104.729927] ? lock_downgrade+0x860/0x860 [ 104.734431] ? ___might_sleep+0x16b/0x270 [ 104.738879] __should_failslab+0xba/0xf0 [ 104.743130] should_failslab+0x9/0x20 [ 104.747020] kmem_cache_alloc_trace+0x2cb/0x740 [ 104.751728] ? qfq_change_class+0xa93/0x14e0 [ 104.756214] ? qfq_change_class+0xa93/0x14e0 [ 104.760743] ? __local_bh_enable_ip+0x160/0x260 [ 104.765627] qfq_change_class+0xad9/0x14e0 [ 104.769949] ? qfq_delete_class+0x2d0/0x2d0 [ 104.774267] ? nla_parse+0x197/0x280 [ 104.778634] tc_ctl_tclass+0x3e9/0xba0 [ 104.782880] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 104.788178] ? find_held_lock+0x36/0x1d0 [ 104.792374] rtnetlink_rcv_msg+0x34f/0x8f0 [ 104.796708] ? rtnetlink_put_metrics+0x490/0x490 [ 104.801567] ? find_held_lock+0x36/0x1d0 [ 104.805639] netlink_rcv_skb+0x13e/0x3d0 [ 104.809692] ? lock_downgrade+0x860/0x860 [ 104.813831] ? rtnetlink_put_metrics+0x490/0x490 [ 104.818975] ? netlink_ack+0xa70/0xa70 [ 104.823003] ? netlink_deliver_tap+0x182/0xb00 [ 104.827676] rtnetlink_rcv+0x10/0x20 [ 104.831387] netlink_unicast+0x443/0x650 [ 104.835433] ? netlink_attachskb+0x6c0/0x6c0 [ 104.839924] ? _copy_from_iter_full+0x182/0x720 [ 104.845018] ? __check_object_size+0x1ef/0x310 [ 104.849703] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 104.855505] netlink_sendmsg+0x764/0xc60 [ 104.859643] ? netlink_unicast+0x650/0x650 [ 104.863962] ? apparmor_socket_sendmsg+0x1b/0x20 [ 104.868803] ? netlink_unicast+0x650/0x650 [ 104.873031] sock_sendmsg+0xb5/0xf0 [ 104.877058] ___sys_sendmsg+0x647/0x950 [ 104.881289] ? find_held_lock+0x36/0x1d0 [ 104.885712] ? copy_msghdr_from_user+0x430/0x430 [ 104.890467] ? __fget+0x278/0x400 [ 104.894033] ? kasan_check_read+0x11/0x20 [ 104.898317] ? __fget+0x295/0x400 [ 104.901877] ? expand_files.part.8+0x700/0x700 [ 104.906466] ? __f_unlock_pos+0xd/0x10 [ 104.910548] ? __fget_light+0x174/0x1e0 [ 104.914799] ? __fdget+0xe/0x10 [ 104.918179] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 104.923099] __sys_sendmsg+0xd9/0x180 [ 104.926896] ? __ia32_sys_shutdown+0x70/0x70 [ 104.931923] ? __sb_end_write+0xa4/0xd0 [ 104.936738] ? kasan_check_write+0x14/0x20 [ 104.941572] ? fput+0x18/0x120 [ 104.944906] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.950457] __x64_sys_sendmsg+0x73/0xb0 [ 104.954694] do_syscall_64+0xd0/0x4e0 [ 104.958882] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.964152] RIP: 0033:0x463d89 [ 104.967708] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 104.989258] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.997618] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 105.005281] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 105.012631] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 105.020501] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 105.028028] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 105.047907] FAULT_INJECTION: forcing a failure. [ 105.047907] name failslab, interval 1, probability 0, space 0, times 0 [ 105.064133] CPU: 0 PID: 8803 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 105.072898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.082344] Call Trace: [ 105.084940] dump_stack+0x123/0x171 [ 105.088574] should_fail.cold.4+0x5/0xa [ 105.092707] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 105.097991] ? lock_downgrade+0x860/0x860 [ 105.102433] ? ___might_sleep+0x16b/0x270 [ 105.106593] __should_failslab+0xba/0xf0 [ 105.110710] should_failslab+0x9/0x20 [ 105.114529] kmem_cache_alloc_trace+0x2cb/0x740 [ 105.119380] ? qfq_change_class+0xa93/0x14e0 [ 105.123949] ? qfq_change_class+0xa93/0x14e0 [ 105.128625] ? __local_bh_enable_ip+0x160/0x260 [ 105.133910] qfq_change_class+0xad9/0x14e0 [ 105.138141] ? qfq_delete_class+0x2d0/0x2d0 [ 105.142564] ? nla_parse+0x197/0x280 [ 105.146277] tc_ctl_tclass+0x3e9/0xba0 [ 105.150516] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 105.155699] ? find_held_lock+0x36/0x1d0 [ 105.159765] rtnetlink_rcv_msg+0x34f/0x8f0 [ 105.164097] ? rtnetlink_put_metrics+0x490/0x490 [ 105.168959] ? find_held_lock+0x36/0x1d0 [ 105.173565] netlink_rcv_skb+0x13e/0x3d0 [ 105.177812] ? lock_downgrade+0x860/0x860 [ 105.182375] ? rtnetlink_put_metrics+0x490/0x490 [ 105.187336] ? netlink_ack+0xa70/0xa70 [ 105.191219] ? netlink_deliver_tap+0x182/0xb00 [ 105.195796] rtnetlink_rcv+0x10/0x20 [ 105.199502] netlink_unicast+0x443/0x650 [ 105.203736] ? netlink_attachskb+0x6c0/0x6c0 [ 105.208148] ? _copy_from_iter_full+0x182/0x720 [ 105.212893] ? __check_object_size+0x1ef/0x310 [ 105.217928] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 105.223825] netlink_sendmsg+0x764/0xc60 [ 105.227901] ? netlink_unicast+0x650/0x650 [ 105.232134] ? apparmor_socket_sendmsg+0x1b/0x20 [ 105.237085] ? netlink_unicast+0x650/0x650 [ 105.241313] sock_sendmsg+0xb5/0xf0 [ 105.245033] ___sys_sendmsg+0x647/0x950 [ 105.249120] ? find_held_lock+0x36/0x1d0 [ 105.253519] ? copy_msghdr_from_user+0x430/0x430 [ 105.258287] ? __fget+0x278/0x400 [ 105.261739] ? kasan_check_read+0x11/0x20 [ 105.265881] ? __fget+0x295/0x400 [ 105.269420] ? expand_files.part.8+0x700/0x700 [ 105.274508] ? __f_unlock_pos+0xd/0x10 [ 105.278403] ? __fget_light+0x174/0x1e0 [ 105.282522] ? __fdget+0xe/0x10 [ 105.286115] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 105.291137] __sys_sendmsg+0xd9/0x180 [ 105.295179] ? __ia32_sys_shutdown+0x70/0x70 [ 105.299940] ? __sb_end_write+0xa4/0xd0 [ 105.303920] ? kasan_check_write+0x14/0x20 [ 105.308407] ? fput+0x18/0x120 [ 105.311680] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.317618] __x64_sys_sendmsg+0x73/0xb0 [ 105.321938] do_syscall_64+0xd0/0x4e0 [ 105.326138] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.331507] RIP: 0033:0x463d89 [ 105.334813] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 105.354143] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2021/04/24 20:07:20 executed programs: 168 [ 105.362461] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 105.370039] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 105.377487] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 105.385111] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 105.392547] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 105.401351] nla_parse: 4 callbacks suppressed [ 105.401355] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 105.423722] FAULT_INJECTION: forcing a failure. [ 105.423722] name failslab, interval 1, probability 0, space 0, times 0 [ 105.435987] CPU: 0 PID: 8813 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 105.444276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.454239] Call Trace: [ 105.456833] dump_stack+0x123/0x171 [ 105.460740] should_fail.cold.4+0x5/0xa [ 105.464725] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 105.470128] ? lock_downgrade+0x860/0x860 [ 105.474352] ? ___might_sleep+0x16b/0x270 [ 105.478775] __should_failslab+0xba/0xf0 [ 105.483008] should_failslab+0x9/0x20 [ 105.486813] kmem_cache_alloc_trace+0x2cb/0x740 [ 105.491570] ? qfq_change_class+0xa93/0x14e0 [ 105.495966] ? qfq_change_class+0xa93/0x14e0 [ 105.500375] ? __local_bh_enable_ip+0x160/0x260 [ 105.505242] qfq_change_class+0xad9/0x14e0 [ 105.509465] ? qfq_delete_class+0x2d0/0x2d0 [ 105.514641] ? nla_parse+0x197/0x280 [ 105.518359] tc_ctl_tclass+0x3e9/0xba0 [ 105.522464] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 105.527839] ? find_held_lock+0x36/0x1d0 [ 105.532149] rtnetlink_rcv_msg+0x34f/0x8f0 [ 105.536758] ? rtnetlink_put_metrics+0x490/0x490 [ 105.541599] ? find_held_lock+0x36/0x1d0 [ 105.546017] netlink_rcv_skb+0x13e/0x3d0 [ 105.550073] ? lock_downgrade+0x860/0x860 [ 105.554309] ? rtnetlink_put_metrics+0x490/0x490 [ 105.559145] ? netlink_ack+0xa70/0xa70 [ 105.563162] ? netlink_deliver_tap+0x182/0xb00 [ 105.568228] rtnetlink_rcv+0x10/0x20 [ 105.572087] netlink_unicast+0x443/0x650 [ 105.576527] ? netlink_attachskb+0x6c0/0x6c0 [ 105.581188] ? _copy_from_iter_full+0x182/0x720 [ 105.586027] ? __check_object_size+0x1ef/0x310 [ 105.590778] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 105.596417] netlink_sendmsg+0x764/0xc60 [ 105.600689] ? netlink_unicast+0x650/0x650 [ 105.605175] ? apparmor_socket_sendmsg+0x1b/0x20 [ 105.609938] ? netlink_unicast+0x650/0x650 [ 105.614167] sock_sendmsg+0xb5/0xf0 [ 105.617791] ___sys_sendmsg+0x647/0x950 [ 105.622041] ? find_held_lock+0x36/0x1d0 [ 105.626299] ? copy_msghdr_from_user+0x430/0x430 [ 105.631258] ? __fget+0x278/0x400 [ 105.634706] ? kasan_check_read+0x11/0x20 [ 105.639042] ? __fget+0x295/0x400 [ 105.642699] ? expand_files.part.8+0x700/0x700 [ 105.647463] ? __f_unlock_pos+0xd/0x10 [ 105.651447] ? __fget_light+0x174/0x1e0 [ 105.655416] ? __fdget+0xe/0x10 [ 105.658772] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 105.663780] __sys_sendmsg+0xd9/0x180 [ 105.668100] ? __ia32_sys_shutdown+0x70/0x70 [ 105.672669] ? __sb_end_write+0xa4/0xd0 [ 105.676991] ? kasan_check_write+0x14/0x20 [ 105.681600] ? fput+0x18/0x120 [ 105.685230] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.691077] __x64_sys_sendmsg+0x73/0xb0 [ 105.695276] do_syscall_64+0xd0/0x4e0 [ 105.699276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.704453] RIP: 0033:0x463d89 [ 105.707662] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 105.727085] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.734893] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 105.742268] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 105.749985] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 105.757706] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 105.765469] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 105.776648] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 105.810157] FAULT_INJECTION: forcing a failure. [ 105.810157] name failslab, interval 1, probability 0, space 0, times 0 [ 105.822173] CPU: 1 PID: 8831 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 105.830478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.840778] Call Trace: [ 105.843625] dump_stack+0x123/0x171 [ 105.847395] should_fail.cold.4+0x5/0xa [ 105.851361] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 105.856562] ? lock_downgrade+0x860/0x860 [ 105.860918] ? ___might_sleep+0x16b/0x270 [ 105.865067] __should_failslab+0xba/0xf0 [ 105.869504] should_failslab+0x9/0x20 [ 105.873441] kmem_cache_alloc_trace+0x2cb/0x740 [ 105.878547] ? qfq_change_class+0xa93/0x14e0 [ 105.883309] ? qfq_change_class+0xa93/0x14e0 [ 105.887898] ? __local_bh_enable_ip+0x160/0x260 [ 105.892684] qfq_change_class+0xad9/0x14e0 [ 105.897337] ? qfq_delete_class+0x2d0/0x2d0 [ 105.902116] ? nla_parse+0x197/0x280 [ 105.905907] tc_ctl_tclass+0x3e9/0xba0 [ 105.909871] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 105.915227] ? find_held_lock+0x36/0x1d0 [ 105.919578] rtnetlink_rcv_msg+0x34f/0x8f0 [ 105.923917] ? rtnetlink_put_metrics+0x490/0x490 [ 105.928766] ? find_held_lock+0x36/0x1d0 [ 105.932995] netlink_rcv_skb+0x13e/0x3d0 [ 105.937300] ? lock_downgrade+0x860/0x860 [ 105.942492] ? rtnetlink_put_metrics+0x490/0x490 [ 105.947336] ? netlink_ack+0xa70/0xa70 [ 105.951211] ? netlink_deliver_tap+0x182/0xb00 [ 105.955785] rtnetlink_rcv+0x10/0x20 [ 105.959478] netlink_unicast+0x443/0x650 [ 105.963526] ? netlink_attachskb+0x6c0/0x6c0 [ 105.967948] ? _copy_from_iter_full+0x182/0x720 [ 105.972896] ? __check_object_size+0x1ef/0x310 [ 105.977591] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 105.983207] netlink_sendmsg+0x764/0xc60 [ 105.987261] ? netlink_unicast+0x650/0x650 [ 105.991873] ? apparmor_socket_sendmsg+0x1b/0x20 [ 105.996971] ? netlink_unicast+0x650/0x650 [ 106.001290] sock_sendmsg+0xb5/0xf0 [ 106.004999] ___sys_sendmsg+0x647/0x950 [ 106.008968] ? find_held_lock+0x36/0x1d0 [ 106.013151] ? copy_msghdr_from_user+0x430/0x430 [ 106.018071] ? __fget+0x278/0x400 [ 106.021519] ? kasan_check_read+0x11/0x20 [ 106.025760] ? __fget+0x295/0x400 [ 106.029293] ? expand_files.part.8+0x700/0x700 [ 106.033878] ? __f_unlock_pos+0xd/0x10 [ 106.037757] ? __fget_light+0x174/0x1e0 [ 106.042034] ? __fdget+0xe/0x10 [ 106.045714] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 106.050547] __sys_sendmsg+0xd9/0x180 [ 106.054350] ? __ia32_sys_shutdown+0x70/0x70 [ 106.059522] ? __sb_end_write+0xa4/0xd0 [ 106.063592] ? kasan_check_write+0x14/0x20 [ 106.068122] ? fput+0x18/0x120 [ 106.071469] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.076997] __x64_sys_sendmsg+0x73/0xb0 [ 106.082410] do_syscall_64+0xd0/0x4e0 [ 106.086213] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.091570] RIP: 0033:0x463d89 [ 106.094758] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 106.114526] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.122731] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 106.130317] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 106.137859] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 106.145556] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 106.152816] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 106.162664] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 106.178571] FAULT_INJECTION: forcing a failure. [ 106.178571] name failslab, interval 1, probability 0, space 0, times 0 [ 106.195924] CPU: 1 PID: 8837 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 106.203917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.213719] Call Trace: [ 106.216317] dump_stack+0x123/0x171 [ 106.220127] should_fail.cold.4+0x5/0xa [ 106.224295] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 106.229577] ? lock_downgrade+0x860/0x860 [ 106.233910] ? ___might_sleep+0x16b/0x270 [ 106.238322] __should_failslab+0xba/0xf0 [ 106.242675] should_failslab+0x9/0x20 [ 106.246617] kmem_cache_alloc_trace+0x2cb/0x740 [ 106.251368] ? qfq_change_class+0xa93/0x14e0 [ 106.256032] ? qfq_change_class+0xa93/0x14e0 [ 106.260670] ? __local_bh_enable_ip+0x160/0x260 [ 106.265513] qfq_change_class+0xad9/0x14e0 [ 106.270081] ? qfq_delete_class+0x2d0/0x2d0 [ 106.274795] ? nla_parse+0x197/0x280 [ 106.279220] tc_ctl_tclass+0x3e9/0xba0 [ 106.283391] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 106.288776] ? find_held_lock+0x36/0x1d0 [ 106.293223] rtnetlink_rcv_msg+0x34f/0x8f0 [ 106.297564] ? rtnetlink_put_metrics+0x490/0x490 [ 106.302405] ? find_held_lock+0x36/0x1d0 [ 106.306620] netlink_rcv_skb+0x13e/0x3d0 [ 106.310682] ? lock_downgrade+0x860/0x860 [ 106.314915] ? rtnetlink_put_metrics+0x490/0x490 [ 106.320587] ? netlink_ack+0xa70/0xa70 [ 106.324579] ? netlink_deliver_tap+0x182/0xb00 [ 106.329371] rtnetlink_rcv+0x10/0x20 [ 106.333510] netlink_unicast+0x443/0x650 [ 106.337799] ? netlink_attachskb+0x6c0/0x6c0 [ 106.342317] ? _copy_from_iter_full+0x182/0x720 [ 106.346975] ? __check_object_size+0x1ef/0x310 [ 106.351562] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 106.357274] netlink_sendmsg+0x764/0xc60 [ 106.361786] ? netlink_unicast+0x650/0x650 [ 106.366400] ? apparmor_socket_sendmsg+0x1b/0x20 [ 106.371802] ? netlink_unicast+0x650/0x650 [ 106.376299] sock_sendmsg+0xb5/0xf0 [ 106.379917] ___sys_sendmsg+0x647/0x950 [ 106.383880] ? find_held_lock+0x36/0x1d0 [ 106.387928] ? copy_msghdr_from_user+0x430/0x430 [ 106.392683] ? __fget+0x278/0x400 [ 106.396170] ? kasan_check_read+0x11/0x20 [ 106.400306] ? __fget+0x295/0x400 [ 106.403770] ? expand_files.part.8+0x700/0x700 [ 106.408701] ? __f_unlock_pos+0xd/0x10 [ 106.412699] ? __fget_light+0x174/0x1e0 [ 106.416662] ? __fdget+0xe/0x10 [ 106.419931] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 106.424851] __sys_sendmsg+0xd9/0x180 [ 106.428642] ? __ia32_sys_shutdown+0x70/0x70 [ 106.433044] ? __sb_end_write+0xa4/0xd0 [ 106.437004] ? kasan_check_write+0x14/0x20 [ 106.441327] ? fput+0x18/0x120 [ 106.444553] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.450165] __x64_sys_sendmsg+0x73/0xb0 [ 106.454574] do_syscall_64+0xd0/0x4e0 [ 106.458544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.464069] RIP: 0033:0x463d89 [ 106.467249] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 106.486645] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.495023] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 106.502316] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 106.510021] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 106.517527] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 106.525049] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 106.535126] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 106.560805] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 106.582222] FAULT_INJECTION: forcing a failure. [ 106.582222] name failslab, interval 1, probability 0, space 0, times 0 [ 106.595122] CPU: 1 PID: 8852 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 106.603444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.613232] Call Trace: [ 106.616002] dump_stack+0x123/0x171 [ 106.619893] should_fail.cold.4+0x5/0xa [ 106.624420] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 106.629876] ? lock_downgrade+0x860/0x860 [ 106.634036] ? ___might_sleep+0x16b/0x270 [ 106.638194] __should_failslab+0xba/0xf0 [ 106.642847] should_failslab+0x9/0x20 [ 106.647034] kmem_cache_alloc_trace+0x2cb/0x740 [ 106.651814] ? qfq_change_class+0xa93/0x14e0 [ 106.656444] ? qfq_change_class+0xa93/0x14e0 [ 106.660933] ? __local_bh_enable_ip+0x160/0x260 [ 106.665939] qfq_change_class+0xad9/0x14e0 [ 106.670295] ? qfq_delete_class+0x2d0/0x2d0 [ 106.674609] ? nla_parse+0x197/0x280 [ 106.678316] tc_ctl_tclass+0x3e9/0xba0 [ 106.682389] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 106.687481] ? find_held_lock+0x36/0x1d0 [ 106.691735] rtnetlink_rcv_msg+0x34f/0x8f0 [ 106.696147] ? rtnetlink_put_metrics+0x490/0x490 [ 106.700889] ? find_held_lock+0x36/0x1d0 [ 106.705148] netlink_rcv_skb+0x13e/0x3d0 [ 106.709338] ? lock_downgrade+0x860/0x860 [ 106.713470] ? rtnetlink_put_metrics+0x490/0x490 [ 106.718481] ? netlink_ack+0xa70/0xa70 [ 106.722585] ? netlink_deliver_tap+0x182/0xb00 [ 106.727352] rtnetlink_rcv+0x10/0x20 [ 106.731415] netlink_unicast+0x443/0x650 [ 106.735462] ? netlink_attachskb+0x6c0/0x6c0 [ 106.739961] ? _copy_from_iter_full+0x182/0x720 [ 106.744688] ? __check_object_size+0x1ef/0x310 [ 106.749255] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 106.754777] netlink_sendmsg+0x764/0xc60 [ 106.758924] ? netlink_unicast+0x650/0x650 [ 106.763160] ? apparmor_socket_sendmsg+0x1b/0x20 [ 106.768007] ? netlink_unicast+0x650/0x650 [ 106.772331] sock_sendmsg+0xb5/0xf0 [ 106.776050] ___sys_sendmsg+0x647/0x950 [ 106.780132] ? find_held_lock+0x36/0x1d0 [ 106.784602] ? copy_msghdr_from_user+0x430/0x430 [ 106.789342] ? __fget+0x278/0x400 [ 106.792945] ? kasan_check_read+0x11/0x20 [ 106.797283] ? __fget+0x295/0x400 [ 106.800843] ? expand_files.part.8+0x700/0x700 [ 106.805599] ? __f_unlock_pos+0xd/0x10 [ 106.809541] ? __fget_light+0x174/0x1e0 [ 106.813530] ? __fdget+0xe/0x10 [ 106.817094] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 106.822038] __sys_sendmsg+0xd9/0x180 [ 106.826003] ? __ia32_sys_shutdown+0x70/0x70 [ 106.830646] ? __sb_end_write+0xa4/0xd0 [ 106.834609] ? kasan_check_write+0x14/0x20 [ 106.838835] ? fput+0x18/0x120 [ 106.842223] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.847660] __x64_sys_sendmsg+0x73/0xb0 [ 106.851814] do_syscall_64+0xd0/0x4e0 [ 106.855601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.860772] RIP: 0033:0x463d89 [ 106.863945] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 106.883132] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.890936] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 106.898646] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 106.906125] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 106.913794] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 106.921669] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 106.933584] FAULT_INJECTION: forcing a failure. [ 106.933584] name failslab, interval 1, probability 0, space 0, times 0 [ 106.949221] CPU: 1 PID: 8853 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 106.957039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.966601] Call Trace: [ 106.969441] dump_stack+0x123/0x171 [ 106.973063] should_fail.cold.4+0x5/0xa [ 106.977019] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 106.982323] ? lock_downgrade+0x860/0x860 [ 106.986546] ? ___might_sleep+0x16b/0x270 [ 106.990691] __should_failslab+0xba/0xf0 [ 106.994839] should_failslab+0x9/0x20 [ 106.998731] kmem_cache_alloc_trace+0x2cb/0x740 [ 107.003393] ? qfq_change_class+0xa93/0x14e0 [ 107.007970] ? qfq_change_class+0xa93/0x14e0 [ 107.012819] ? __local_bh_enable_ip+0x160/0x260 [ 107.017503] qfq_change_class+0xad9/0x14e0 [ 107.021740] ? qfq_delete_class+0x2d0/0x2d0 [ 107.026056] ? nla_parse+0x197/0x280 [ 107.029763] tc_ctl_tclass+0x3e9/0xba0 [ 107.033728] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 107.038824] ? find_held_lock+0x36/0x1d0 [ 107.042893] rtnetlink_rcv_msg+0x34f/0x8f0 [ 107.047118] ? rtnetlink_put_metrics+0x490/0x490 [ 107.051858] ? find_held_lock+0x36/0x1d0 [ 107.056111] netlink_rcv_skb+0x13e/0x3d0 [ 107.060278] ? lock_downgrade+0x860/0x860 [ 107.064493] ? rtnetlink_put_metrics+0x490/0x490 [ 107.069282] ? netlink_ack+0xa70/0xa70 [ 107.073362] ? netlink_deliver_tap+0x182/0xb00 [ 107.077954] rtnetlink_rcv+0x10/0x20 [ 107.081680] netlink_unicast+0x443/0x650 [ 107.085733] ? netlink_attachskb+0x6c0/0x6c0 [ 107.090660] ? _copy_from_iter_full+0x182/0x720 [ 107.095555] ? __check_object_size+0x1ef/0x310 [ 107.100215] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 107.106030] netlink_sendmsg+0x764/0xc60 [ 107.110226] ? netlink_unicast+0x650/0x650 [ 107.114560] ? apparmor_socket_sendmsg+0x1b/0x20 [ 107.119516] ? netlink_unicast+0x650/0x650 [ 107.123824] sock_sendmsg+0xb5/0xf0 [ 107.127529] ___sys_sendmsg+0x647/0x950 [ 107.131586] ? find_held_lock+0x36/0x1d0 [ 107.135756] ? copy_msghdr_from_user+0x430/0x430 [ 107.140495] ? __fget+0x278/0x400 [ 107.144098] ? kasan_check_read+0x11/0x20 [ 107.148318] ? __fget+0x295/0x400 [ 107.151852] ? expand_files.part.8+0x700/0x700 [ 107.156614] ? __f_unlock_pos+0xd/0x10 [ 107.160583] ? __fget_light+0x174/0x1e0 [ 107.164750] ? __fdget+0xe/0x10 [ 107.168075] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.172911] __sys_sendmsg+0xd9/0x180 [ 107.176912] ? __ia32_sys_shutdown+0x70/0x70 [ 107.181831] ? __sb_end_write+0xa4/0xd0 [ 107.185970] ? kasan_check_write+0x14/0x20 [ 107.190196] ? fput+0x18/0x120 [ 107.193490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.198843] __x64_sys_sendmsg+0x73/0xb0 [ 107.203043] do_syscall_64+0xd0/0x4e0 [ 107.207074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.212688] RIP: 0033:0x463d89 [ 107.215956] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 107.235023] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.242993] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 107.250596] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 107.258034] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 107.265289] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 107.272634] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 107.286722] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 107.308321] FAULT_INJECTION: forcing a failure. [ 107.308321] name failslab, interval 1, probability 0, space 0, times 0 [ 107.323202] CPU: 1 PID: 8863 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 107.331201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.340856] Call Trace: [ 107.343629] dump_stack+0x123/0x171 [ 107.347703] should_fail.cold.4+0x5/0xa [ 107.351965] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 107.357163] ? lock_downgrade+0x860/0x860 [ 107.363032] ? ___might_sleep+0x16b/0x270 [ 107.367397] __should_failslab+0xba/0xf0 [ 107.371730] should_failslab+0x9/0x20 [ 107.375819] kmem_cache_alloc_trace+0x2cb/0x740 [ 107.380962] ? qfq_change_class+0xa93/0x14e0 [ 107.385833] ? qfq_change_class+0xa93/0x14e0 [ 107.390240] ? __local_bh_enable_ip+0x160/0x260 [ 107.395251] qfq_change_class+0xad9/0x14e0 [ 107.399566] ? qfq_delete_class+0x2d0/0x2d0 [ 107.403985] ? nla_parse+0x197/0x280 [ 107.407814] tc_ctl_tclass+0x3e9/0xba0 [ 107.411712] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 107.416938] ? find_held_lock+0x36/0x1d0 [ 107.421033] rtnetlink_rcv_msg+0x34f/0x8f0 [ 107.425366] ? rtnetlink_put_metrics+0x490/0x490 [ 107.430466] ? find_held_lock+0x36/0x1d0 [ 107.434535] netlink_rcv_skb+0x13e/0x3d0 [ 107.439126] ? lock_downgrade+0x860/0x860 [ 107.443501] ? rtnetlink_put_metrics+0x490/0x490 [ 107.448566] ? netlink_ack+0xa70/0xa70 [ 107.452566] ? netlink_deliver_tap+0x182/0xb00 [ 107.457275] rtnetlink_rcv+0x10/0x20 [ 107.460997] netlink_unicast+0x443/0x650 [ 107.465171] ? netlink_attachskb+0x6c0/0x6c0 [ 107.469606] ? _copy_from_iter_full+0x182/0x720 [ 107.474946] ? __check_object_size+0x1ef/0x310 [ 107.480044] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 107.486386] netlink_sendmsg+0x764/0xc60 [ 107.490645] ? netlink_unicast+0x650/0x650 [ 107.495047] ? apparmor_socket_sendmsg+0x1b/0x20 [ 107.499794] ? netlink_unicast+0x650/0x650 [ 107.504543] sock_sendmsg+0xb5/0xf0 [ 107.508625] ___sys_sendmsg+0x647/0x950 [ 107.513372] ? find_held_lock+0x36/0x1d0 [ 107.517724] ? copy_msghdr_from_user+0x430/0x430 [ 107.523452] ? __fget+0x278/0x400 [ 107.527174] ? kasan_check_read+0x11/0x20 [ 107.531432] ? __fget+0x295/0x400 [ 107.534884] ? expand_files.part.8+0x700/0x700 [ 107.539732] ? __f_unlock_pos+0xd/0x10 [ 107.543715] ? __fget_light+0x174/0x1e0 [ 107.547882] ? __fdget+0xe/0x10 [ 107.551280] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.556113] __sys_sendmsg+0xd9/0x180 [ 107.560086] ? __ia32_sys_shutdown+0x70/0x70 [ 107.565233] ? __sb_end_write+0xa4/0xd0 [ 107.569304] ? kasan_check_write+0x14/0x20 [ 107.574162] ? fput+0x18/0x120 [ 107.577436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.583054] __x64_sys_sendmsg+0x73/0xb0 [ 107.587280] do_syscall_64+0xd0/0x4e0 [ 107.591435] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.596625] RIP: 0033:0x463d89 [ 107.599893] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 107.620148] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.628043] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 107.636058] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 107.643603] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 107.650956] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 107.658488] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 107.670270] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 107.703255] FAULT_INJECTION: forcing a failure. [ 107.703255] name failslab, interval 1, probability 0, space 0, times 0 [ 107.716126] CPU: 0 PID: 8873 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 107.724031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.733978] Call Trace: [ 107.736564] dump_stack+0x123/0x171 [ 107.740290] should_fail.cold.4+0x5/0xa [ 107.744254] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 107.749537] ? lock_downgrade+0x860/0x860 [ 107.753769] ? ___might_sleep+0x16b/0x270 [ 107.758092] __should_failslab+0xba/0xf0 [ 107.762420] should_failslab+0x9/0x20 [ 107.766414] kmem_cache_alloc_trace+0x2cb/0x740 [ 107.771613] ? qfq_change_class+0xa93/0x14e0 [ 107.776114] ? qfq_change_class+0xa93/0x14e0 [ 107.780756] ? __local_bh_enable_ip+0x160/0x260 [ 107.785483] qfq_change_class+0xad9/0x14e0 [ 107.789916] ? qfq_delete_class+0x2d0/0x2d0 [ 107.794345] ? nla_parse+0x197/0x280 [ 107.798314] tc_ctl_tclass+0x3e9/0xba0 [ 107.802214] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 107.807447] ? find_held_lock+0x36/0x1d0 [ 107.811699] rtnetlink_rcv_msg+0x34f/0x8f0 [ 107.816025] ? rtnetlink_put_metrics+0x490/0x490 [ 107.821164] ? find_held_lock+0x36/0x1d0 [ 107.825366] netlink_rcv_skb+0x13e/0x3d0 [ 107.829797] ? lock_downgrade+0x860/0x860 [ 107.834109] ? rtnetlink_put_metrics+0x490/0x490 [ 107.838862] ? netlink_ack+0xa70/0xa70 [ 107.843008] ? netlink_deliver_tap+0x182/0xb00 [ 107.847808] rtnetlink_rcv+0x10/0x20 [ 107.851690] netlink_unicast+0x443/0x650 [ 107.856084] ? netlink_attachskb+0x6c0/0x6c0 [ 107.860725] ? _copy_from_iter_full+0x182/0x720 [ 107.865397] ? __check_object_size+0x1ef/0x310 [ 107.870287] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 107.875919] netlink_sendmsg+0x764/0xc60 [ 107.880496] ? netlink_unicast+0x650/0x650 [ 107.884848] ? apparmor_socket_sendmsg+0x1b/0x20 [ 107.890216] ? netlink_unicast+0x650/0x650 [ 107.895592] sock_sendmsg+0xb5/0xf0 [ 107.899526] ___sys_sendmsg+0x647/0x950 [ 107.903824] ? find_held_lock+0x36/0x1d0 [ 107.907978] ? copy_msghdr_from_user+0x430/0x430 [ 107.913282] ? __fget+0x278/0x400 [ 107.917017] ? kasan_check_read+0x11/0x20 [ 107.921168] ? __fget+0x295/0x400 [ 107.924616] ? expand_files.part.8+0x700/0x700 [ 107.929459] ? __f_unlock_pos+0xd/0x10 [ 107.933516] ? __fget_light+0x174/0x1e0 [ 107.937477] ? __fdget+0xe/0x10 [ 107.940857] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.945695] __sys_sendmsg+0xd9/0x180 [ 107.949675] ? __ia32_sys_shutdown+0x70/0x70 [ 107.954488] ? __sb_end_write+0xa4/0xd0 [ 107.958606] ? kasan_check_write+0x14/0x20 [ 107.963005] ? fput+0x18/0x120 [ 107.966403] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.972380] __x64_sys_sendmsg+0x73/0xb0 [ 107.977011] do_syscall_64+0xd0/0x4e0 [ 107.981151] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.987020] RIP: 0033:0x463d89 [ 107.990209] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 108.009611] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.017746] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 108.025181] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 108.032698] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 108.039959] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 108.047630] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 108.056468] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 108.073173] FAULT_INJECTION: forcing a failure. [ 108.073173] name failslab, interval 1, probability 0, space 0, times 0 [ 108.085677] CPU: 0 PID: 8884 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 108.093586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.103227] Call Trace: [ 108.106029] dump_stack+0x123/0x171 [ 108.109791] should_fail.cold.4+0x5/0xa [ 108.114260] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 108.119689] ? lock_downgrade+0x860/0x860 [ 108.123872] ? ___might_sleep+0x16b/0x270 [ 108.128069] __should_failslab+0xba/0xf0 [ 108.132141] should_failslab+0x9/0x20 [ 108.136127] kmem_cache_alloc_trace+0x2cb/0x740 [ 108.141029] ? qfq_change_class+0xa93/0x14e0 [ 108.145539] ? qfq_change_class+0xa93/0x14e0 [ 108.149943] ? __local_bh_enable_ip+0x160/0x260 [ 108.154606] qfq_change_class+0xad9/0x14e0 [ 108.159349] ? qfq_delete_class+0x2d0/0x2d0 [ 108.163923] ? nla_parse+0x197/0x280 [ 108.167647] tc_ctl_tclass+0x3e9/0xba0 [ 108.171760] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 108.177059] ? find_held_lock+0x36/0x1d0 [ 108.181123] rtnetlink_rcv_msg+0x34f/0x8f0 [ 108.185739] ? rtnetlink_put_metrics+0x490/0x490 [ 108.191325] ? find_held_lock+0x36/0x1d0 [ 108.195396] netlink_rcv_skb+0x13e/0x3d0 [ 108.199652] ? lock_downgrade+0x860/0x860 [ 108.203991] ? rtnetlink_put_metrics+0x490/0x490 [ 108.208846] ? netlink_ack+0xa70/0xa70 [ 108.212729] ? netlink_deliver_tap+0x182/0xb00 [ 108.217469] rtnetlink_rcv+0x10/0x20 [ 108.221266] netlink_unicast+0x443/0x650 [ 108.225408] ? netlink_attachskb+0x6c0/0x6c0 [ 108.229900] ? _copy_from_iter_full+0x182/0x720 [ 108.234692] ? __check_object_size+0x1ef/0x310 [ 108.239273] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 108.245172] netlink_sendmsg+0x764/0xc60 [ 108.249374] ? netlink_unicast+0x650/0x650 [ 108.254335] ? apparmor_socket_sendmsg+0x1b/0x20 [ 108.259385] ? netlink_unicast+0x650/0x650 [ 108.264000] sock_sendmsg+0xb5/0xf0 [ 108.267787] ___sys_sendmsg+0x647/0x950 [ 108.272255] ? find_held_lock+0x36/0x1d0 [ 108.276574] ? copy_msghdr_from_user+0x430/0x430 [ 108.281531] ? __fget+0x278/0x400 [ 108.285111] ? kasan_check_read+0x11/0x20 [ 108.289498] ? __fget+0x295/0x400 [ 108.293196] ? expand_files.part.8+0x700/0x700 [ 108.298061] ? __f_unlock_pos+0xd/0x10 [ 108.301947] ? __fget_light+0x174/0x1e0 [ 108.305923] ? __fdget+0xe/0x10 [ 108.309291] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 108.314224] __sys_sendmsg+0xd9/0x180 [ 108.318183] ? __ia32_sys_shutdown+0x70/0x70 [ 108.322686] ? __sb_end_write+0xa4/0xd0 [ 108.327005] ? kasan_check_write+0x14/0x20 [ 108.331672] ? fput+0x18/0x120 [ 108.334955] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.340913] __x64_sys_sendmsg+0x73/0xb0 [ 108.345318] do_syscall_64+0xd0/0x4e0 [ 108.349328] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.354622] RIP: 0033:0x463d89 [ 108.357803] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 108.378596] RSP: 002b:00007fed802c2198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.386776] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 108.394212] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 108.402195] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 108.410057] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 108.417558] R13: 00007fed802c26bc R14: 0000000000000008 R15: 0000000000000001 [ 108.435797] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 108.471011] FAULT_INJECTION: forcing a failure. [ 108.471011] name failslab, interval 1, probability 0, space 0, times 0 [ 108.483678] CPU: 0 PID: 8898 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 108.492152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.501752] Call Trace: [ 108.504387] dump_stack+0x123/0x171 [ 108.508136] should_fail.cold.4+0x5/0xa [ 108.512440] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 108.518039] ? lock_downgrade+0x860/0x860 [ 108.522200] ? ___might_sleep+0x16b/0x270 [ 108.526347] __should_failslab+0xba/0xf0 [ 108.530948] should_failslab+0x9/0x20 [ 108.534839] kmem_cache_alloc_trace+0x2cb/0x740 [ 108.539634] ? qfq_change_class+0xa93/0x14e0 [ 108.544274] ? qfq_change_class+0xa93/0x14e0 [ 108.549158] ? __local_bh_enable_ip+0x160/0x260 [ 108.554077] qfq_change_class+0xad9/0x14e0 [ 108.558412] ? qfq_delete_class+0x2d0/0x2d0 [ 108.563019] ? nla_parse+0x197/0x280 [ 108.566736] tc_ctl_tclass+0x3e9/0xba0 [ 108.571072] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 108.576826] ? find_held_lock+0x36/0x1d0 [ 108.580904] rtnetlink_rcv_msg+0x34f/0x8f0 [ 108.585576] ? rtnetlink_put_metrics+0x490/0x490 [ 108.590679] ? find_held_lock+0x36/0x1d0 [ 108.594832] netlink_rcv_skb+0x13e/0x3d0 [ 108.598992] ? lock_downgrade+0x860/0x860 [ 108.603404] ? rtnetlink_put_metrics+0x490/0x490 [ 108.608404] ? netlink_ack+0xa70/0xa70 [ 108.612479] ? netlink_deliver_tap+0x182/0xb00 [ 108.617545] rtnetlink_rcv+0x10/0x20 [ 108.621699] netlink_unicast+0x443/0x650 [ 108.625765] ? netlink_attachskb+0x6c0/0x6c0 [ 108.630689] ? _copy_from_iter_full+0x182/0x720 [ 108.635742] ? __check_object_size+0x1ef/0x310 [ 108.640598] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 108.646256] netlink_sendmsg+0x764/0xc60 [ 108.650312] ? netlink_unicast+0x650/0x650 [ 108.654623] ? apparmor_socket_sendmsg+0x1b/0x20 [ 108.659372] ? netlink_unicast+0x650/0x650 [ 108.663775] sock_sendmsg+0xb5/0xf0 [ 108.667399] ___sys_sendmsg+0x647/0x950 [ 108.671812] ? find_held_lock+0x36/0x1d0 [ 108.676123] ? copy_msghdr_from_user+0x430/0x430 [ 108.681140] ? __fget+0x278/0x400 [ 108.684932] ? kasan_check_read+0x11/0x20 [ 108.689389] ? __fget+0x295/0x400 [ 108.692951] ? expand_files.part.8+0x700/0x700 [ 108.697638] ? __f_unlock_pos+0xd/0x10 [ 108.701736] ? __fget_light+0x174/0x1e0 [ 108.706366] ? __fdget+0xe/0x10 [ 108.709819] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 108.715475] __sys_sendmsg+0xd9/0x180 [ 108.719411] ? __ia32_sys_shutdown+0x70/0x70 [ 108.723942] ? __sb_end_write+0xa4/0xd0 [ 108.728333] ? kasan_check_write+0x14/0x20 [ 108.732673] ? fput+0x18/0x120 [ 108.736138] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.741843] __x64_sys_sendmsg+0x73/0xb0 [ 108.746043] do_syscall_64+0xd0/0x4e0 [ 108.749855] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.755835] RIP: 0033:0x463d89 [ 108.759151] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 108.778451] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.786363] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 108.793995] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 108.801605] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 108.809493] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 108.816943] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 108.829011] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 108.867519] FAULT_INJECTION: forcing a failure. [ 108.867519] name failslab, interval 1, probability 0, space 0, times 0 [ 108.879916] CPU: 1 PID: 8922 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 108.888217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.897966] Call Trace: [ 108.900562] dump_stack+0x123/0x171 [ 108.904270] should_fail.cold.4+0x5/0xa [ 108.908252] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 108.913554] ? lock_downgrade+0x860/0x860 [ 108.917699] ? ___might_sleep+0x16b/0x270 [ 108.921926] __should_failslab+0xba/0xf0 [ 108.926165] should_failslab+0x9/0x20 [ 108.930230] kmem_cache_alloc_trace+0x2cb/0x740 [ 108.934903] ? qfq_change_class+0xa93/0x14e0 [ 108.939486] ? qfq_change_class+0xa93/0x14e0 [ 108.944334] ? __local_bh_enable_ip+0x160/0x260 [ 108.949348] qfq_change_class+0xad9/0x14e0 [ 108.953882] ? qfq_delete_class+0x2d0/0x2d0 [ 108.958694] ? nla_parse+0x197/0x280 [ 108.962558] tc_ctl_tclass+0x3e9/0xba0 [ 108.966688] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 108.972261] ? find_held_lock+0x36/0x1d0 [ 108.976518] rtnetlink_rcv_msg+0x34f/0x8f0 [ 108.980760] ? rtnetlink_put_metrics+0x490/0x490 [ 108.985767] ? find_held_lock+0x36/0x1d0 [ 108.989823] netlink_rcv_skb+0x13e/0x3d0 [ 108.993872] ? lock_downgrade+0x860/0x860 [ 108.998019] ? rtnetlink_put_metrics+0x490/0x490 [ 109.002802] ? netlink_ack+0xa70/0xa70 [ 109.006860] ? netlink_deliver_tap+0x182/0xb00 [ 109.011953] rtnetlink_rcv+0x10/0x20 [ 109.015759] netlink_unicast+0x443/0x650 [ 109.019950] ? netlink_attachskb+0x6c0/0x6c0 [ 109.024458] ? _copy_from_iter_full+0x182/0x720 [ 109.029490] ? __check_object_size+0x1ef/0x310 [ 109.034563] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 109.040794] netlink_sendmsg+0x764/0xc60 [ 109.044849] ? netlink_unicast+0x650/0x650 [ 109.049358] ? apparmor_socket_sendmsg+0x1b/0x20 [ 109.054308] ? netlink_unicast+0x650/0x650 [ 109.058534] sock_sendmsg+0xb5/0xf0 [ 109.062671] ___sys_sendmsg+0x647/0x950 [ 109.066818] ? find_held_lock+0x36/0x1d0 [ 109.070891] ? copy_msghdr_from_user+0x430/0x430 [ 109.075653] ? __fget+0x278/0x400 [ 109.079217] ? kasan_check_read+0x11/0x20 [ 109.083357] ? __fget+0x295/0x400 [ 109.087228] ? expand_files.part.8+0x700/0x700 [ 109.092098] ? __f_unlock_pos+0xd/0x10 [ 109.096178] ? __fget_light+0x174/0x1e0 [ 109.100511] ? __fdget+0xe/0x10 [ 109.103875] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 109.108923] __sys_sendmsg+0xd9/0x180 [ 109.112800] ? __ia32_sys_shutdown+0x70/0x70 [ 109.117374] ? __sb_end_write+0xa4/0xd0 [ 109.121455] ? kasan_check_write+0x14/0x20 [ 109.125979] ? fput+0x18/0x120 [ 109.129171] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.134555] __x64_sys_sendmsg+0x73/0xb0 [ 109.138810] do_syscall_64+0xd0/0x4e0 [ 109.142603] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.147893] RIP: 0033:0x463d89 [ 109.151157] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 109.170721] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.178715] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 109.186677] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 109.195089] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 109.202784] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 109.210526] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 109.240218] FAULT_INJECTION: forcing a failure. [ 109.240218] name failslab, interval 1, probability 0, space 0, times 0 [ 109.252337] CPU: 1 PID: 8921 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 109.260781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.271065] Call Trace: [ 109.273650] dump_stack+0x123/0x171 [ 109.277396] should_fail.cold.4+0x5/0xa [ 109.281487] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 109.286805] ? lock_downgrade+0x860/0x860 [ 109.291117] ? ___might_sleep+0x16b/0x270 [ 109.295432] __should_failslab+0xba/0xf0 [ 109.299658] should_failslab+0x9/0x20 [ 109.303791] kmem_cache_alloc_trace+0x2cb/0x740 [ 109.309006] ? qfq_change_class+0xa93/0x14e0 [ 109.313412] ? qfq_change_class+0xa93/0x14e0 [ 109.319032] ? __local_bh_enable_ip+0x160/0x260 [ 109.324068] qfq_change_class+0xad9/0x14e0 [ 109.328600] ? qfq_delete_class+0x2d0/0x2d0 [ 109.333357] ? nla_parse+0x197/0x280 [ 109.337344] tc_ctl_tclass+0x3e9/0xba0 [ 109.341506] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 109.347066] ? find_held_lock+0x36/0x1d0 [ 109.351220] rtnetlink_rcv_msg+0x34f/0x8f0 [ 109.355621] ? rtnetlink_put_metrics+0x490/0x490 [ 109.360824] ? find_held_lock+0x36/0x1d0 [ 109.364979] netlink_rcv_skb+0x13e/0x3d0 [ 109.369296] ? lock_downgrade+0x860/0x860 [ 109.373722] ? rtnetlink_put_metrics+0x490/0x490 [ 109.378495] ? netlink_ack+0xa70/0xa70 [ 109.382480] ? netlink_deliver_tap+0x182/0xb00 [ 109.387232] rtnetlink_rcv+0x10/0x20 [ 109.391200] netlink_unicast+0x443/0x650 [ 109.395710] ? netlink_attachskb+0x6c0/0x6c0 [ 109.400476] ? _copy_from_iter_full+0x182/0x720 [ 109.405405] ? __check_object_size+0x1ef/0x310 [ 109.410068] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 109.415711] netlink_sendmsg+0x764/0xc60 [ 109.419979] ? netlink_unicast+0x650/0x650 [ 109.424718] ? apparmor_socket_sendmsg+0x1b/0x20 [ 109.430097] ? netlink_unicast+0x650/0x650 [ 109.434506] sock_sendmsg+0xb5/0xf0 [ 109.438399] ___sys_sendmsg+0x647/0x950 [ 109.442587] ? find_held_lock+0x36/0x1d0 [ 109.446743] ? copy_msghdr_from_user+0x430/0x430 [ 109.451582] ? __fget+0x278/0x400 [ 109.455124] ? kasan_check_read+0x11/0x20 [ 109.459286] ? __fget+0x295/0x400 [ 109.462935] ? expand_files.part.8+0x700/0x700 [ 109.467877] ? __f_unlock_pos+0xd/0x10 [ 109.471779] ? __fget_light+0x174/0x1e0 [ 109.475831] ? __fdget+0xe/0x10 [ 109.479375] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 109.484303] __sys_sendmsg+0xd9/0x180 [ 109.488503] ? __ia32_sys_shutdown+0x70/0x70 [ 109.493171] ? __sb_end_write+0xa4/0xd0 [ 109.497615] ? kasan_check_write+0x14/0x20 [ 109.502040] ? fput+0x18/0x120 [ 109.505525] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.511765] __x64_sys_sendmsg+0x73/0xb0 [ 109.516064] do_syscall_64+0xd0/0x4e0 [ 109.520764] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.527040] RIP: 0033:0x463d89 [ 109.530312] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 109.550028] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.558274] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 109.566351] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 109.573612] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 109.581287] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 109.589335] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 109.605779] FAULT_INJECTION: forcing a failure. [ 109.605779] name failslab, interval 1, probability 0, space 0, times 0 [ 109.621657] CPU: 1 PID: 8924 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 109.629680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.639456] Call Trace: [ 109.642241] dump_stack+0x123/0x171 [ 109.645878] should_fail.cold.4+0x5/0xa [ 109.649988] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 109.655101] ? lock_downgrade+0x860/0x860 [ 109.659259] ? ___might_sleep+0x16b/0x270 [ 109.663417] __should_failslab+0xba/0xf0 [ 109.667578] should_failslab+0x9/0x20 [ 109.671369] kmem_cache_alloc_trace+0x2cb/0x740 [ 109.676122] ? qfq_change_class+0xa93/0x14e0 [ 109.680611] ? qfq_change_class+0xa93/0x14e0 [ 109.685007] ? __local_bh_enable_ip+0x160/0x260 [ 109.689767] qfq_change_class+0xad9/0x14e0 [ 109.693989] ? qfq_delete_class+0x2d0/0x2d0 [ 109.698405] ? nla_parse+0x197/0x280 [ 109.702110] tc_ctl_tclass+0x3e9/0xba0 [ 109.706074] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 109.711612] ? find_held_lock+0x36/0x1d0 [ 109.715686] rtnetlink_rcv_msg+0x34f/0x8f0 [ 109.720168] ? rtnetlink_put_metrics+0x490/0x490 [ 109.725004] ? find_held_lock+0x36/0x1d0 [ 109.729294] netlink_rcv_skb+0x13e/0x3d0 [ 109.733635] ? lock_downgrade+0x860/0x860 [ 109.738508] ? rtnetlink_put_metrics+0x490/0x490 [ 109.743371] ? netlink_ack+0xa70/0xa70 [ 109.747621] ? netlink_deliver_tap+0x182/0xb00 [ 109.752299] rtnetlink_rcv+0x10/0x20 [ 109.756018] netlink_unicast+0x443/0x650 [ 109.760406] ? netlink_attachskb+0x6c0/0x6c0 [ 109.764940] ? _copy_from_iter_full+0x182/0x720 [ 109.770083] ? __check_object_size+0x1ef/0x310 [ 109.774962] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 109.780806] netlink_sendmsg+0x764/0xc60 [ 109.784994] ? netlink_unicast+0x650/0x650 [ 109.789233] ? apparmor_socket_sendmsg+0x1b/0x20 [ 109.793984] ? netlink_unicast+0x650/0x650 [ 109.798223] sock_sendmsg+0xb5/0xf0 [ 109.802033] ___sys_sendmsg+0x647/0x950 [ 109.806779] ? find_held_lock+0x36/0x1d0 [ 109.811197] ? copy_msghdr_from_user+0x430/0x430 [ 109.816354] ? __fget+0x278/0x400 [ 109.819844] ? kasan_check_read+0x11/0x20 [ 109.824160] ? __fget+0x295/0x400 [ 109.827606] ? expand_files.part.8+0x700/0x700 [ 109.832375] ? __f_unlock_pos+0xd/0x10 [ 109.836358] ? __fget_light+0x174/0x1e0 [ 109.840335] ? __fdget+0xe/0x10 [ 109.843606] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 109.848629] __sys_sendmsg+0xd9/0x180 [ 109.852586] ? __ia32_sys_shutdown+0x70/0x70 [ 109.857073] ? __sb_end_write+0xa4/0xd0 [ 109.861164] ? kasan_check_write+0x14/0x20 [ 109.865567] ? fput+0x18/0x120 [ 109.868759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.874327] __x64_sys_sendmsg+0x73/0xb0 [ 109.878393] do_syscall_64+0xd0/0x4e0 [ 109.882471] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.887763] RIP: 0033:0x463d89 [ 109.891128] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 109.910649] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.918616] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 109.926162] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 109.933460] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 109.940869] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 109.948215] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 109.963276] FAULT_INJECTION: forcing a failure. [ 109.963276] name failslab, interval 1, probability 0, space 0, times 0 [ 109.977072] CPU: 1 PID: 8934 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 109.986049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.996037] Call Trace: [ 109.998632] dump_stack+0x123/0x171 [ 110.002358] should_fail.cold.4+0x5/0xa [ 110.006338] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 110.011678] ? lock_downgrade+0x860/0x860 [ 110.016111] ? ___might_sleep+0x16b/0x270 [ 110.020272] __should_failslab+0xba/0xf0 [ 110.024328] should_failslab+0x9/0x20 [ 110.028115] kmem_cache_alloc_trace+0x2cb/0x740 [ 110.032775] ? qfq_change_class+0xa93/0x14e0 [ 110.037346] ? qfq_change_class+0xa93/0x14e0 [ 110.041866] ? __local_bh_enable_ip+0x160/0x260 [ 110.046647] qfq_change_class+0xad9/0x14e0 [ 110.051002] ? qfq_delete_class+0x2d0/0x2d0 [ 110.055332] ? nla_parse+0x197/0x280 [ 110.059041] tc_ctl_tclass+0x3e9/0xba0 [ 110.062962] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 110.068435] ? find_held_lock+0x36/0x1d0 [ 110.072518] rtnetlink_rcv_msg+0x34f/0x8f0 [ 110.076749] ? rtnetlink_put_metrics+0x490/0x490 [ 110.081649] ? find_held_lock+0x36/0x1d0 [ 110.086021] netlink_rcv_skb+0x13e/0x3d0 [ 110.090219] ? lock_downgrade+0x860/0x860 [ 110.094366] ? rtnetlink_put_metrics+0x490/0x490 [ 110.099586] ? netlink_ack+0xa70/0xa70 [ 110.103746] ? netlink_deliver_tap+0x182/0xb00 [ 110.108399] rtnetlink_rcv+0x10/0x20 [ 110.112461] netlink_unicast+0x443/0x650 [ 110.117213] ? netlink_attachskb+0x6c0/0x6c0 [ 110.121914] ? _copy_from_iter_full+0x182/0x720 [ 110.126577] ? __check_object_size+0x1ef/0x310 [ 110.131547] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 110.137093] netlink_sendmsg+0x764/0xc60 [ 110.141377] ? netlink_unicast+0x650/0x650 [ 110.145744] ? apparmor_socket_sendmsg+0x1b/0x20 [ 110.150596] ? netlink_unicast+0x650/0x650 [ 110.154941] sock_sendmsg+0xb5/0xf0 [ 110.158650] ___sys_sendmsg+0x647/0x950 [ 110.162738] ? find_held_lock+0x36/0x1d0 [ 110.166800] ? copy_msghdr_from_user+0x430/0x430 [ 110.171883] ? __fget+0x278/0x400 [ 110.175808] ? kasan_check_read+0x11/0x20 [ 110.180082] ? __fget+0x295/0x400 [ 110.184008] ? expand_files.part.8+0x700/0x700 [ 110.188607] ? __f_unlock_pos+0xd/0x10 [ 110.192705] ? __fget_light+0x174/0x1e0 [ 110.197230] ? __fdget+0xe/0x10 [ 110.200576] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 110.205518] __sys_sendmsg+0xd9/0x180 [ 110.209305] ? __ia32_sys_shutdown+0x70/0x70 [ 110.214363] ? __sb_end_write+0xa4/0xd0 [ 110.218988] ? kasan_check_write+0x14/0x20 [ 110.223565] ? fput+0x18/0x120 [ 110.226750] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.232311] __x64_sys_sendmsg+0x73/0xb0 [ 110.236364] do_syscall_64+0xd0/0x4e0 [ 110.240202] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.245503] RIP: 0033:0x463d89 [ 110.248821] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 110.268098] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.275883] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 110.283373] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 110.291173] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 110.298701] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 110.306315] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 110.345216] FAULT_INJECTION: forcing a failure. [ 110.345216] name failslab, interval 1, probability 0, space 0, times 0 [ 110.365087] CPU: 0 PID: 8956 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 110.373210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.383512] Call Trace: [ 110.386468] dump_stack+0x123/0x171 [ 110.390097] should_fail.cold.4+0x5/0xa [ 110.394341] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 110.399795] ? lock_downgrade+0x860/0x860 [ 110.404291] ? ___might_sleep+0x16b/0x270 [ 110.408599] __should_failslab+0xba/0xf0 [ 110.412778] should_failslab+0x9/0x20 [ 110.416839] kmem_cache_alloc_trace+0x2cb/0x740 [ 110.422025] ? qfq_change_class+0xa93/0x14e0 [ 110.426435] ? qfq_change_class+0xa93/0x14e0 [ 110.430946] ? __local_bh_enable_ip+0x160/0x260 [ 110.435704] qfq_change_class+0xad9/0x14e0 [ 110.440065] ? qfq_delete_class+0x2d0/0x2d0 [ 110.444389] ? nla_parse+0x197/0x280 [ 110.448094] tc_ctl_tclass+0x3e9/0xba0 [ 110.452063] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 110.457401] ? find_held_lock+0x36/0x1d0 [ 110.461818] rtnetlink_rcv_msg+0x34f/0x8f0 [ 110.466415] ? rtnetlink_put_metrics+0x490/0x490 [ 110.471177] ? find_held_lock+0x36/0x1d0 [ 110.475639] netlink_rcv_skb+0x13e/0x3d0 [ 110.480230] ? lock_downgrade+0x860/0x860 [ 110.484584] ? rtnetlink_put_metrics+0x490/0x490 [ 110.490076] ? netlink_ack+0xa70/0xa70 [ 110.494314] ? netlink_deliver_tap+0x182/0xb00 [ 110.499299] rtnetlink_rcv+0x10/0x20 [ 110.503204] netlink_unicast+0x443/0x650 [ 110.507551] ? netlink_attachskb+0x6c0/0x6c0 [ 110.512035] ? _copy_from_iter_full+0x182/0x720 [ 110.516989] ? __check_object_size+0x1ef/0x310 [ 110.522038] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 110.527912] netlink_sendmsg+0x764/0xc60 [ 110.532269] ? netlink_unicast+0x650/0x650 [ 110.536683] ? apparmor_socket_sendmsg+0x1b/0x20 [ 110.542055] ? netlink_unicast+0x650/0x650 [ 110.546287] sock_sendmsg+0xb5/0xf0 [ 110.550025] ___sys_sendmsg+0x647/0x950 [ 110.554487] ? find_held_lock+0x36/0x1d0 [ 110.559194] ? copy_msghdr_from_user+0x430/0x430 [ 110.564592] ? __fget+0x278/0x400 [ 110.568043] ? kasan_check_read+0x11/0x20 [ 110.572365] ? __fget+0x295/0x400 [ 110.575820] ? expand_files.part.8+0x700/0x700 [ 110.580680] ? __f_unlock_pos+0xd/0x10 [ 110.584667] ? __fget_light+0x174/0x1e0 [ 110.588806] ? __fdget+0xe/0x10 [ 110.592559] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 110.597799] __sys_sendmsg+0xd9/0x180 [ 110.601769] ? __ia32_sys_shutdown+0x70/0x70 [ 110.606583] ? __sb_end_write+0xa4/0xd0 [ 110.610796] ? kasan_check_write+0x14/0x20 [ 110.615352] ? fput+0x18/0x120 [ 110.618568] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.624727] __x64_sys_sendmsg+0x73/0xb0 [ 110.629016] do_syscall_64+0xd0/0x4e0 [ 110.632905] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.638555] RIP: 0033:0x463d89 [ 110.642476] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 110.662577] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.670685] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 110.679137] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 110.687331] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 2021/04/24 20:07:25 executed programs: 182 [ 110.695177] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 110.702750] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 110.714970] FAULT_INJECTION: forcing a failure. [ 110.714970] name failslab, interval 1, probability 0, space 0, times 0 [ 110.730877] CPU: 0 PID: 8958 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 110.739431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.749497] Call Trace: [ 110.752381] dump_stack+0x123/0x171 [ 110.757625] should_fail.cold.4+0x5/0xa [ 110.763262] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 110.769626] ? lock_downgrade+0x860/0x860 [ 110.774748] ? ___might_sleep+0x16b/0x270 [ 110.780222] __should_failslab+0xba/0xf0 [ 110.785552] should_failslab+0x9/0x20 [ 110.790971] kmem_cache_alloc_trace+0x2cb/0x740 [ 110.796334] ? qfq_change_class+0xa93/0x14e0 [ 110.801685] ? qfq_change_class+0xa93/0x14e0 [ 110.806651] ? __local_bh_enable_ip+0x160/0x260 [ 110.811477] qfq_change_class+0xad9/0x14e0 [ 110.816099] ? qfq_delete_class+0x2d0/0x2d0 [ 110.820820] ? nla_parse+0x197/0x280 [ 110.824634] tc_ctl_tclass+0x3e9/0xba0 [ 110.830309] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 110.836033] ? find_held_lock+0x36/0x1d0 [ 110.840629] rtnetlink_rcv_msg+0x34f/0x8f0 [ 110.845130] ? rtnetlink_put_metrics+0x490/0x490 [ 110.850188] ? find_held_lock+0x36/0x1d0 [ 110.854487] netlink_rcv_skb+0x13e/0x3d0 [ 110.859365] ? lock_downgrade+0x860/0x860 [ 110.863942] ? rtnetlink_put_metrics+0x490/0x490 [ 110.869316] ? netlink_ack+0xa70/0xa70 [ 110.873644] ? netlink_deliver_tap+0x182/0xb00 [ 110.878417] rtnetlink_rcv+0x10/0x20 [ 110.882232] netlink_unicast+0x443/0x650 [ 110.887421] ? netlink_attachskb+0x6c0/0x6c0 [ 110.891911] ? _copy_from_iter_full+0x182/0x720 [ 110.897021] ? __check_object_size+0x1ef/0x310 [ 110.901953] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 110.907650] netlink_sendmsg+0x764/0xc60 [ 110.912224] ? netlink_unicast+0x650/0x650 [ 110.916684] ? apparmor_socket_sendmsg+0x1b/0x20 [ 110.921632] ? netlink_unicast+0x650/0x650 [ 110.926235] sock_sendmsg+0xb5/0xf0 [ 110.929875] ___sys_sendmsg+0x647/0x950 [ 110.933837] ? find_held_lock+0x36/0x1d0 [ 110.938137] ? copy_msghdr_from_user+0x430/0x430 [ 110.943491] ? __fget+0x278/0x400 [ 110.947498] ? kasan_check_read+0x11/0x20 [ 110.952110] ? __fget+0x295/0x400 [ 110.955940] ? expand_files.part.8+0x700/0x700 [ 110.960518] ? __f_unlock_pos+0xd/0x10 [ 110.964656] ? __fget_light+0x174/0x1e0 [ 110.968704] ? __fdget+0xe/0x10 [ 110.971981] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 110.976944] __sys_sendmsg+0xd9/0x180 [ 110.981185] ? __ia32_sys_shutdown+0x70/0x70 [ 110.985686] ? __sb_end_write+0xa4/0xd0 [ 110.990545] ? kasan_check_write+0x14/0x20 [ 110.994875] ? fput+0x18/0x120 [ 110.998476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.004001] __x64_sys_sendmsg+0x73/0xb0 [ 111.008216] do_syscall_64+0xd0/0x4e0 [ 111.012224] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.017707] RIP: 0033:0x463d89 [ 111.020987] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 111.040865] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.048860] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 111.056423] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 111.064134] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 111.071825] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 111.079870] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 111.088545] nla_parse: 5 callbacks suppressed [ 111.088549] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 111.108969] FAULT_INJECTION: forcing a failure. [ 111.108969] name failslab, interval 1, probability 0, space 0, times 0 [ 111.121534] CPU: 0 PID: 8968 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 111.129778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.139846] Call Trace: [ 111.142528] dump_stack+0x123/0x171 [ 111.146560] should_fail.cold.4+0x5/0xa [ 111.150551] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 111.156014] ? lock_downgrade+0x860/0x860 [ 111.160223] ? ___might_sleep+0x16b/0x270 [ 111.164793] __should_failslab+0xba/0xf0 [ 111.169220] should_failslab+0x9/0x20 [ 111.173198] kmem_cache_alloc_trace+0x2cb/0x740 [ 111.178051] ? qfq_change_class+0xa93/0x14e0 [ 111.182569] ? qfq_change_class+0xa93/0x14e0 [ 111.187176] ? __local_bh_enable_ip+0x160/0x260 [ 111.191840] qfq_change_class+0xad9/0x14e0 [ 111.196071] ? qfq_delete_class+0x2d0/0x2d0 [ 111.200559] ? nla_parse+0x197/0x280 [ 111.204469] tc_ctl_tclass+0x3e9/0xba0 [ 111.208499] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 111.213788] ? find_held_lock+0x36/0x1d0 [ 111.218171] rtnetlink_rcv_msg+0x34f/0x8f0 [ 111.222640] ? rtnetlink_put_metrics+0x490/0x490 [ 111.227481] ? find_held_lock+0x36/0x1d0 [ 111.231830] netlink_rcv_skb+0x13e/0x3d0 [ 111.236225] ? lock_downgrade+0x860/0x860 [ 111.240684] ? rtnetlink_put_metrics+0x490/0x490 [ 111.245539] ? netlink_ack+0xa70/0xa70 [ 111.249444] ? netlink_deliver_tap+0x182/0xb00 [ 111.254814] rtnetlink_rcv+0x10/0x20 [ 111.258715] netlink_unicast+0x443/0x650 [ 111.262903] ? netlink_attachskb+0x6c0/0x6c0 [ 111.267414] ? _copy_from_iter_full+0x182/0x720 [ 111.272419] ? __check_object_size+0x1ef/0x310 [ 111.277228] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 111.282991] netlink_sendmsg+0x764/0xc60 [ 111.287293] ? netlink_unicast+0x650/0x650 [ 111.291707] ? apparmor_socket_sendmsg+0x1b/0x20 [ 111.296829] ? netlink_unicast+0x650/0x650 [ 111.301112] sock_sendmsg+0xb5/0xf0 [ 111.305265] ___sys_sendmsg+0x647/0x950 [ 111.309398] ? find_held_lock+0x36/0x1d0 [ 111.313554] ? copy_msghdr_from_user+0x430/0x430 [ 111.319005] ? __fget+0x278/0x400 [ 111.322893] ? kasan_check_read+0x11/0x20 [ 111.327831] ? __fget+0x295/0x400 [ 111.331485] ? expand_files.part.8+0x700/0x700 [ 111.336158] ? __f_unlock_pos+0xd/0x10 [ 111.340498] ? __fget_light+0x174/0x1e0 [ 111.344708] ? __fdget+0xe/0x10 [ 111.348237] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 111.353194] __sys_sendmsg+0xd9/0x180 [ 111.357097] ? __ia32_sys_shutdown+0x70/0x70 [ 111.362138] ? __sb_end_write+0xa4/0xd0 [ 111.366732] ? kasan_check_write+0x14/0x20 [ 111.371599] ? fput+0x18/0x120 [ 111.375372] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.381071] __x64_sys_sendmsg+0x73/0xb0 [ 111.385486] do_syscall_64+0xd0/0x4e0 [ 111.389392] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.394787] RIP: 0033:0x463d89 [ 111.398323] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 111.418653] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.426949] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 111.434550] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 111.442095] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 111.449460] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 111.457880] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 111.475575] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 111.498405] FAULT_INJECTION: forcing a failure. [ 111.498405] name failslab, interval 1, probability 0, space 0, times 0 [ 111.510985] CPU: 0 PID: 8974 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 111.518879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.528489] Call Trace: [ 111.531124] dump_stack+0x123/0x171 [ 111.534854] should_fail.cold.4+0x5/0xa [ 111.539029] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 111.544424] ? lock_downgrade+0x860/0x860 [ 111.548574] ? ___might_sleep+0x16b/0x270 [ 111.552721] __should_failslab+0xba/0xf0 [ 111.557003] should_failslab+0x9/0x20 [ 111.561088] kmem_cache_alloc_trace+0x2cb/0x740 [ 111.565846] ? qfq_change_class+0xa93/0x14e0 [ 111.570471] ? qfq_change_class+0xa93/0x14e0 [ 111.574861] ? __local_bh_enable_ip+0x160/0x260 [ 111.579516] qfq_change_class+0xad9/0x14e0 [ 111.583893] ? qfq_delete_class+0x2d0/0x2d0 [ 111.588431] ? nla_parse+0x197/0x280 [ 111.592306] tc_ctl_tclass+0x3e9/0xba0 [ 111.596192] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 111.601735] ? find_held_lock+0x36/0x1d0 [ 111.605954] rtnetlink_rcv_msg+0x34f/0x8f0 [ 111.610213] ? rtnetlink_put_metrics+0x490/0x490 [ 111.615142] ? find_held_lock+0x36/0x1d0 [ 111.619202] netlink_rcv_skb+0x13e/0x3d0 [ 111.623419] ? lock_downgrade+0x860/0x860 [ 111.627885] ? rtnetlink_put_metrics+0x490/0x490 [ 111.632799] ? netlink_ack+0xa70/0xa70 [ 111.636917] ? netlink_deliver_tap+0x182/0xb00 [ 111.641509] rtnetlink_rcv+0x10/0x20 [ 111.645491] netlink_unicast+0x443/0x650 [ 111.649555] ? netlink_attachskb+0x6c0/0x6c0 [ 111.654058] ? _copy_from_iter_full+0x182/0x720 [ 111.658717] ? __check_object_size+0x1ef/0x310 [ 111.663557] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 111.669340] netlink_sendmsg+0x764/0xc60 [ 111.673415] ? netlink_unicast+0x650/0x650 [ 111.677650] ? apparmor_socket_sendmsg+0x1b/0x20 [ 111.682736] ? netlink_unicast+0x650/0x650 [ 111.686974] sock_sendmsg+0xb5/0xf0 [ 111.690591] ___sys_sendmsg+0x647/0x950 [ 111.694668] ? find_held_lock+0x36/0x1d0 [ 111.698844] ? copy_msghdr_from_user+0x430/0x430 [ 111.703586] ? __fget+0x278/0x400 [ 111.707072] ? kasan_check_read+0x11/0x20 [ 111.711583] ? __fget+0x295/0x400 [ 111.715381] ? expand_files.part.8+0x700/0x700 [ 111.720235] ? __f_unlock_pos+0xd/0x10 [ 111.724128] ? __fget_light+0x174/0x1e0 [ 111.728142] ? __fdget+0xe/0x10 [ 111.731508] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 111.736431] __sys_sendmsg+0xd9/0x180 [ 111.740399] ? __ia32_sys_shutdown+0x70/0x70 [ 111.744995] ? __sb_end_write+0xa4/0xd0 [ 111.749106] ? kasan_check_write+0x14/0x20 [ 111.753360] ? fput+0x18/0x120 [ 111.756732] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.762127] __x64_sys_sendmsg+0x73/0xb0 [ 111.766534] do_syscall_64+0xd0/0x4e0 [ 111.770433] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.775797] RIP: 0033:0x463d89 [ 111.779109] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 111.798639] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.806905] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 111.814629] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 111.822097] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 111.829448] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 111.836759] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 111.846259] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 111.872515] FAULT_INJECTION: forcing a failure. [ 111.872515] name failslab, interval 1, probability 0, space 0, times 0 [ 111.884837] CPU: 0 PID: 8984 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 111.892833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.902880] Call Trace: [ 111.905486] dump_stack+0x123/0x171 [ 111.909202] should_fail.cold.4+0x5/0xa [ 111.913162] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 111.918247] ? lock_downgrade+0x860/0x860 [ 111.922384] ? ___might_sleep+0x16b/0x270 [ 111.926722] __should_failslab+0xba/0xf0 [ 111.930858] should_failslab+0x9/0x20 [ 111.935448] kmem_cache_alloc_trace+0x2cb/0x740 [ 111.940203] ? qfq_change_class+0xa93/0x14e0 [ 111.944811] ? qfq_change_class+0xa93/0x14e0 [ 111.949487] ? __local_bh_enable_ip+0x160/0x260 [ 111.954453] qfq_change_class+0xad9/0x14e0 [ 111.959131] ? qfq_delete_class+0x2d0/0x2d0 [ 111.963646] ? nla_parse+0x197/0x280 [ 111.967440] tc_ctl_tclass+0x3e9/0xba0 [ 111.971337] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 111.976610] ? find_held_lock+0x36/0x1d0 [ 111.981835] rtnetlink_rcv_msg+0x34f/0x8f0 [ 111.986773] ? rtnetlink_put_metrics+0x490/0x490 [ 111.991745] ? find_held_lock+0x36/0x1d0 [ 111.995901] netlink_rcv_skb+0x13e/0x3d0 [ 112.000405] ? lock_downgrade+0x860/0x860 [ 112.004799] ? rtnetlink_put_metrics+0x490/0x490 [ 112.009682] ? netlink_ack+0xa70/0xa70 [ 112.013647] ? netlink_deliver_tap+0x182/0xb00 [ 112.018223] rtnetlink_rcv+0x10/0x20 [ 112.021941] netlink_unicast+0x443/0x650 [ 112.026164] ? netlink_attachskb+0x6c0/0x6c0 [ 112.030567] ? _copy_from_iter_full+0x182/0x720 [ 112.035228] ? __check_object_size+0x1ef/0x310 [ 112.039799] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 112.045416] netlink_sendmsg+0x764/0xc60 [ 112.049566] ? netlink_unicast+0x650/0x650 [ 112.054349] ? apparmor_socket_sendmsg+0x1b/0x20 [ 112.059107] ? netlink_unicast+0x650/0x650 [ 112.063533] sock_sendmsg+0xb5/0xf0 [ 112.067150] ___sys_sendmsg+0x647/0x950 [ 112.071231] ? find_held_lock+0x36/0x1d0 [ 112.075288] ? copy_msghdr_from_user+0x430/0x430 [ 112.080419] ? __fget+0x278/0x400 [ 112.084185] ? kasan_check_read+0x11/0x20 [ 112.088439] ? __fget+0x295/0x400 [ 112.092049] ? expand_files.part.8+0x700/0x700 [ 112.097132] ? __f_unlock_pos+0xd/0x10 [ 112.101036] ? __fget_light+0x174/0x1e0 [ 112.105142] ? __fdget+0xe/0x10 [ 112.108851] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 112.113683] __sys_sendmsg+0xd9/0x180 [ 112.117504] ? __ia32_sys_shutdown+0x70/0x70 [ 112.121979] ? __sb_end_write+0xa4/0xd0 [ 112.126059] ? kasan_check_write+0x14/0x20 [ 112.130572] ? fput+0x18/0x120 [ 112.133854] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.139302] __x64_sys_sendmsg+0x73/0xb0 [ 112.143353] do_syscall_64+0xd0/0x4e0 [ 112.147149] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.152412] RIP: 0033:0x463d89 [ 112.155603] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 112.174769] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.182817] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 112.190574] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 112.198062] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 112.205439] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 112.213383] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 112.224997] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 112.249488] FAULT_INJECTION: forcing a failure. [ 112.249488] name failslab, interval 1, probability 0, space 0, times 0 [ 112.264339] CPU: 1 PID: 8998 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 112.272332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.281922] Call Trace: [ 112.284550] dump_stack+0x123/0x171 [ 112.288346] should_fail.cold.4+0x5/0xa [ 112.292460] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 112.298050] ? lock_downgrade+0x860/0x860 [ 112.302533] ? ___might_sleep+0x16b/0x270 [ 112.306989] __should_failslab+0xba/0xf0 [ 112.311532] should_failslab+0x9/0x20 [ 112.315780] kmem_cache_alloc_trace+0x2cb/0x740 [ 112.320877] ? qfq_change_class+0xa93/0x14e0 [ 112.325294] ? qfq_change_class+0xa93/0x14e0 [ 112.329888] ? __local_bh_enable_ip+0x160/0x260 [ 112.334555] qfq_change_class+0xad9/0x14e0 [ 112.339000] ? qfq_delete_class+0x2d0/0x2d0 [ 112.344140] ? nla_parse+0x197/0x280 [ 112.348206] tc_ctl_tclass+0x3e9/0xba0 [ 112.352291] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 112.357970] ? find_held_lock+0x36/0x1d0 [ 112.362640] rtnetlink_rcv_msg+0x34f/0x8f0 [ 112.367295] ? rtnetlink_put_metrics+0x490/0x490 [ 112.372180] ? find_held_lock+0x36/0x1d0 [ 112.376428] netlink_rcv_skb+0x13e/0x3d0 [ 112.380603] ? lock_downgrade+0x860/0x860 [ 112.384746] ? rtnetlink_put_metrics+0x490/0x490 [ 112.389831] ? netlink_ack+0xa70/0xa70 [ 112.393737] ? netlink_deliver_tap+0x182/0xb00 [ 112.398432] rtnetlink_rcv+0x10/0x20 [ 112.402284] netlink_unicast+0x443/0x650 [ 112.406345] ? netlink_attachskb+0x6c0/0x6c0 [ 112.410743] ? _copy_from_iter_full+0x182/0x720 [ 112.415976] ? __check_object_size+0x1ef/0x310 [ 112.420875] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 112.426449] netlink_sendmsg+0x764/0xc60 [ 112.430524] ? netlink_unicast+0x650/0x650 [ 112.435010] ? apparmor_socket_sendmsg+0x1b/0x20 [ 112.439970] ? netlink_unicast+0x650/0x650 [ 112.444210] sock_sendmsg+0xb5/0xf0 [ 112.447977] ___sys_sendmsg+0x647/0x950 [ 112.451962] ? find_held_lock+0x36/0x1d0 [ 112.456386] ? copy_msghdr_from_user+0x430/0x430 [ 112.461438] ? __fget+0x278/0x400 [ 112.467030] ? kasan_check_read+0x11/0x20 [ 112.471272] ? __fget+0x295/0x400 [ 112.474819] ? expand_files.part.8+0x700/0x700 [ 112.479425] ? __f_unlock_pos+0xd/0x10 [ 112.483426] ? __fget_light+0x174/0x1e0 [ 112.487796] ? __fdget+0xe/0x10 [ 112.491234] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 112.496383] __sys_sendmsg+0xd9/0x180 [ 112.500398] ? __ia32_sys_shutdown+0x70/0x70 [ 112.505461] ? __sb_end_write+0xa4/0xd0 [ 112.509525] ? kasan_check_write+0x14/0x20 [ 112.514059] ? fput+0x18/0x120 [ 112.517291] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.522800] __x64_sys_sendmsg+0x73/0xb0 [ 112.526940] do_syscall_64+0xd0/0x4e0 [ 112.530729] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.536154] RIP: 0033:0x463d89 [ 112.539415] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 112.558908] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.566887] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 112.574146] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 112.581578] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 112.588921] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 112.596456] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 112.615220] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 112.652064] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 112.668003] FAULT_INJECTION: forcing a failure. [ 112.668003] name failslab, interval 1, probability 0, space 0, times 0 [ 112.679960] CPU: 1 PID: 9004 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 112.687850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.697754] Call Trace: [ 112.700742] dump_stack+0x123/0x171 [ 112.704483] should_fail.cold.4+0x5/0xa [ 112.708448] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 112.713861] ? lock_downgrade+0x860/0x860 [ 112.718833] ? ___might_sleep+0x16b/0x270 [ 112.723446] __should_failslab+0xba/0xf0 [ 112.727501] should_failslab+0x9/0x20 [ 112.731431] kmem_cache_alloc_trace+0x2cb/0x740 [ 112.736219] ? qfq_change_class+0xa93/0x14e0 [ 112.740870] ? qfq_change_class+0xa93/0x14e0 [ 112.745279] ? __local_bh_enable_ip+0x160/0x260 [ 112.750820] qfq_change_class+0xad9/0x14e0 [ 112.755649] ? qfq_delete_class+0x2d0/0x2d0 [ 112.760409] ? nla_parse+0x197/0x280 [ 112.764265] tc_ctl_tclass+0x3e9/0xba0 [ 112.768253] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 112.773535] ? find_held_lock+0x36/0x1d0 [ 112.777612] rtnetlink_rcv_msg+0x34f/0x8f0 [ 112.781938] ? rtnetlink_put_metrics+0x490/0x490 [ 112.786799] ? find_held_lock+0x36/0x1d0 [ 112.791001] netlink_rcv_skb+0x13e/0x3d0 [ 112.795365] ? lock_downgrade+0x860/0x860 [ 112.799842] ? rtnetlink_put_metrics+0x490/0x490 [ 112.804818] ? netlink_ack+0xa70/0xa70 [ 112.808940] ? netlink_deliver_tap+0x182/0xb00 [ 112.813521] rtnetlink_rcv+0x10/0x20 [ 112.817405] netlink_unicast+0x443/0x650 [ 112.821689] ? netlink_attachskb+0x6c0/0x6c0 [ 112.826349] ? _copy_from_iter_full+0x182/0x720 [ 112.831081] ? __check_object_size+0x1ef/0x310 [ 112.835663] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 112.841638] netlink_sendmsg+0x764/0xc60 [ 112.845963] ? netlink_unicast+0x650/0x650 [ 112.850195] ? apparmor_socket_sendmsg+0x1b/0x20 [ 112.855247] ? netlink_unicast+0x650/0x650 [ 112.860753] sock_sendmsg+0xb5/0xf0 [ 112.864591] ___sys_sendmsg+0x647/0x950 [ 112.868947] ? find_held_lock+0x36/0x1d0 [ 112.873035] ? copy_msghdr_from_user+0x430/0x430 [ 112.879957] ? __fget+0x278/0x400 [ 112.883421] ? __fget+0x295/0x400 [ 112.886875] ? expand_files.part.8+0x700/0x700 [ 112.891638] ? __f_unlock_pos+0xd/0x10 [ 112.895855] ? __fget_light+0x174/0x1e0 [ 112.899934] ? __fdget+0xe/0x10 [ 112.903219] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 112.908080] __sys_sendmsg+0xd9/0x180 [ 112.911870] ? __ia32_sys_shutdown+0x70/0x70 [ 112.916555] ? __sb_end_write+0xa4/0xd0 [ 112.920614] ? kasan_check_write+0x14/0x20 [ 112.925193] ? fput+0x18/0x120 [ 112.928709] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.934238] __x64_sys_sendmsg+0x73/0xb0 [ 112.938312] do_syscall_64+0xd0/0x4e0 [ 112.942394] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.947769] RIP: 0033:0x463d89 [ 112.951006] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 112.971321] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.979528] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 112.987498] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 112.994996] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 113.002782] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 113.011003] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 113.020243] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 113.061362] FAULT_INJECTION: forcing a failure. [ 113.061362] name failslab, interval 1, probability 0, space 0, times 0 [ 113.073588] CPU: 1 PID: 9014 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 113.082672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.093793] Call Trace: [ 113.096484] dump_stack+0x123/0x171 [ 113.100468] should_fail.cold.4+0x5/0xa [ 113.105223] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 113.111027] ? lock_downgrade+0x860/0x860 [ 113.115434] ? ___might_sleep+0x16b/0x270 [ 113.120568] __should_failslab+0xba/0xf0 [ 113.125518] should_failslab+0x9/0x20 [ 113.131187] kmem_cache_alloc_trace+0x2cb/0x740 [ 113.136477] ? qfq_change_class+0xa93/0x14e0 [ 113.141324] ? qfq_change_class+0xa93/0x14e0 [ 113.146080] ? __local_bh_enable_ip+0x160/0x260 [ 113.150746] qfq_change_class+0xad9/0x14e0 [ 113.154967] ? qfq_delete_class+0x2d0/0x2d0 [ 113.159468] ? nla_parse+0x197/0x280 [ 113.163348] tc_ctl_tclass+0x3e9/0xba0 [ 113.167384] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 113.173107] ? find_held_lock+0x36/0x1d0 [ 113.177282] rtnetlink_rcv_msg+0x34f/0x8f0 [ 113.181513] ? rtnetlink_put_metrics+0x490/0x490 [ 113.186338] ? find_held_lock+0x36/0x1d0 [ 113.190390] netlink_rcv_skb+0x13e/0x3d0 [ 113.194533] ? lock_downgrade+0x860/0x860 [ 113.199511] ? rtnetlink_put_metrics+0x490/0x490 [ 113.204897] ? netlink_ack+0xa70/0xa70 [ 113.209059] ? netlink_deliver_tap+0x182/0xb00 [ 113.213649] rtnetlink_rcv+0x10/0x20 [ 113.218256] netlink_unicast+0x443/0x650 [ 113.224203] ? netlink_attachskb+0x6c0/0x6c0 [ 113.229154] ? _copy_from_iter_full+0x182/0x720 [ 113.233888] ? __check_object_size+0x1ef/0x310 [ 113.238651] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 113.244727] netlink_sendmsg+0x764/0xc60 [ 113.249746] ? netlink_unicast+0x650/0x650 [ 113.254508] ? apparmor_socket_sendmsg+0x1b/0x20 [ 113.259524] ? netlink_unicast+0x650/0x650 [ 113.264193] sock_sendmsg+0xb5/0xf0 [ 113.267899] ___sys_sendmsg+0x647/0x950 [ 113.271872] ? find_held_lock+0x36/0x1d0 [ 113.275941] ? copy_msghdr_from_user+0x430/0x430 [ 113.281062] ? __fget+0x278/0x400 [ 113.284974] ? kasan_check_read+0x11/0x20 [ 113.289499] ? __fget+0x295/0x400 [ 113.293302] ? expand_files.part.8+0x700/0x700 [ 113.298160] ? __f_unlock_pos+0xd/0x10 [ 113.302219] ? __fget_light+0x174/0x1e0 [ 113.306426] ? __fdget+0xe/0x10 [ 113.309694] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 113.314710] __sys_sendmsg+0xd9/0x180 [ 113.318673] ? __ia32_sys_shutdown+0x70/0x70 [ 113.323083] ? __sb_end_write+0xa4/0xd0 [ 113.327228] ? kasan_check_write+0x14/0x20 [ 113.331545] ? fput+0x18/0x120 [ 113.334903] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.340634] __x64_sys_sendmsg+0x73/0xb0 [ 113.344930] do_syscall_64+0xd0/0x4e0 [ 113.348746] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.353919] RIP: 0033:0x463d89 [ 113.357127] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 113.378346] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.386602] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 113.394045] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 113.401502] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 113.408981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 113.416532] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 113.425814] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 113.450016] FAULT_INJECTION: forcing a failure. [ 113.450016] name failslab, interval 1, probability 0, space 0, times 0 [ 113.462728] CPU: 1 PID: 9024 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 113.471319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.480975] Call Trace: [ 113.483562] dump_stack+0x123/0x171 [ 113.487187] should_fail.cold.4+0x5/0xa [ 113.491328] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 113.496510] ? lock_downgrade+0x860/0x860 [ 113.500852] ? ___might_sleep+0x16b/0x270 [ 113.505002] __should_failslab+0xba/0xf0 [ 113.509092] should_failslab+0x9/0x20 [ 113.513670] kmem_cache_alloc_trace+0x2cb/0x740 [ 113.519139] ? qfq_change_class+0xa93/0x14e0 [ 113.523632] ? qfq_change_class+0xa93/0x14e0 [ 113.528474] ? __local_bh_enable_ip+0x160/0x260 [ 113.533142] qfq_change_class+0xad9/0x14e0 [ 113.537578] ? qfq_delete_class+0x2d0/0x2d0 [ 113.542154] ? nla_parse+0x197/0x280 [ 113.546144] tc_ctl_tclass+0x3e9/0xba0 [ 113.550350] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 113.555830] ? find_held_lock+0x36/0x1d0 [ 113.560134] rtnetlink_rcv_msg+0x34f/0x8f0 [ 113.564553] ? rtnetlink_put_metrics+0x490/0x490 [ 113.569304] ? find_held_lock+0x36/0x1d0 [ 113.573951] netlink_rcv_skb+0x13e/0x3d0 [ 113.578114] ? lock_downgrade+0x860/0x860 [ 113.582346] ? rtnetlink_put_metrics+0x490/0x490 [ 113.587367] ? netlink_ack+0xa70/0xa70 [ 113.591735] ? netlink_deliver_tap+0x182/0xb00 [ 113.596537] rtnetlink_rcv+0x10/0x20 [ 113.600339] netlink_unicast+0x443/0x650 [ 113.604396] ? netlink_attachskb+0x6c0/0x6c0 [ 113.608983] ? _copy_from_iter_full+0x182/0x720 [ 113.613745] ? __check_object_size+0x1ef/0x310 [ 113.618457] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 113.624223] netlink_sendmsg+0x764/0xc60 [ 113.628560] ? netlink_unicast+0x650/0x650 [ 113.632892] ? apparmor_socket_sendmsg+0x1b/0x20 [ 113.637974] ? netlink_unicast+0x650/0x650 [ 113.642589] sock_sendmsg+0xb5/0xf0 [ 113.646340] ___sys_sendmsg+0x647/0x950 [ 113.650426] ? find_held_lock+0x36/0x1d0 [ 113.654511] ? copy_msghdr_from_user+0x430/0x430 [ 113.659523] ? __fget+0x278/0x400 [ 113.662971] ? kasan_check_read+0x11/0x20 [ 113.667106] ? __fget+0x295/0x400 [ 113.670551] ? expand_files.part.8+0x700/0x700 [ 113.675114] ? __f_unlock_pos+0xd/0x10 [ 113.678986] ? __fget_light+0x174/0x1e0 [ 113.683222] ? __fdget+0xe/0x10 [ 113.686648] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 113.691576] __sys_sendmsg+0xd9/0x180 [ 113.695613] ? __ia32_sys_shutdown+0x70/0x70 [ 113.700337] ? __sb_end_write+0xa4/0xd0 [ 113.704808] ? kasan_check_write+0x14/0x20 [ 113.709046] ? fput+0x18/0x120 [ 113.712230] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.717943] __x64_sys_sendmsg+0x73/0xb0 [ 113.722098] do_syscall_64+0xd0/0x4e0 [ 113.726204] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.731659] RIP: 0033:0x463d89 [ 113.734917] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 113.754577] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.762394] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 113.769667] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 113.777248] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 113.784605] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 113.792118] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 113.822218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 113.852048] FAULT_INJECTION: forcing a failure. [ 113.852048] name failslab, interval 1, probability 0, space 0, times 0 [ 113.868160] CPU: 1 PID: 9034 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 113.876064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.885863] Call Trace: [ 113.888466] dump_stack+0x123/0x171 [ 113.892082] should_fail.cold.4+0x5/0xa [ 113.899467] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 113.904911] ? lock_downgrade+0x860/0x860 [ 113.909408] ? ___might_sleep+0x16b/0x270 [ 113.913558] __should_failslab+0xba/0xf0 [ 113.917712] should_failslab+0x9/0x20 [ 113.921703] kmem_cache_alloc_trace+0x2cb/0x740 [ 113.926379] ? qfq_change_class+0xa93/0x14e0 [ 113.930945] ? qfq_change_class+0xa93/0x14e0 [ 113.935340] ? __local_bh_enable_ip+0x160/0x260 [ 113.940201] qfq_change_class+0xad9/0x14e0 [ 113.944447] ? qfq_delete_class+0x2d0/0x2d0 [ 113.948755] ? nla_parse+0x197/0x280 [ 113.952512] tc_ctl_tclass+0x3e9/0xba0 [ 113.956744] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 113.962101] ? find_held_lock+0x36/0x1d0 [ 113.966174] rtnetlink_rcv_msg+0x34f/0x8f0 [ 113.970505] ? rtnetlink_put_metrics+0x490/0x490 [ 113.975298] ? find_held_lock+0x36/0x1d0 [ 113.979444] netlink_rcv_skb+0x13e/0x3d0 [ 113.983497] ? lock_downgrade+0x860/0x860 [ 113.987652] ? rtnetlink_put_metrics+0x490/0x490 [ 113.992405] ? netlink_ack+0xa70/0xa70 [ 113.996552] ? netlink_deliver_tap+0x182/0xb00 [ 114.001569] rtnetlink_rcv+0x10/0x20 [ 114.005486] netlink_unicast+0x443/0x650 [ 114.010414] ? netlink_attachskb+0x6c0/0x6c0 [ 114.015943] ? _copy_from_iter_full+0x182/0x720 [ 114.021154] ? __check_object_size+0x1ef/0x310 [ 114.025734] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 114.031630] netlink_sendmsg+0x764/0xc60 [ 114.035913] ? netlink_unicast+0x650/0x650 [ 114.040252] ? apparmor_socket_sendmsg+0x1b/0x20 [ 114.045347] ? netlink_unicast+0x650/0x650 [ 114.049876] sock_sendmsg+0xb5/0xf0 [ 114.053908] ___sys_sendmsg+0x647/0x950 [ 114.058440] ? find_held_lock+0x36/0x1d0 [ 114.062881] ? copy_msghdr_from_user+0x430/0x430 [ 114.067937] ? __fget+0x278/0x400 [ 114.071486] ? kasan_check_read+0x11/0x20 [ 114.075725] ? __fget+0x295/0x400 [ 114.079293] ? expand_files.part.8+0x700/0x700 [ 114.083989] ? __f_unlock_pos+0xd/0x10 [ 114.087872] ? __fget_light+0x174/0x1e0 [ 114.092112] ? __fdget+0xe/0x10 [ 114.095472] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 114.100489] __sys_sendmsg+0xd9/0x180 [ 114.104286] ? __ia32_sys_shutdown+0x70/0x70 [ 114.108697] ? __sb_end_write+0xa4/0xd0 [ 114.112673] ? kasan_check_write+0x14/0x20 [ 114.117107] ? fput+0x18/0x120 [ 114.120400] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.125954] __x64_sys_sendmsg+0x73/0xb0 [ 114.130018] do_syscall_64+0xd0/0x4e0 [ 114.133883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.139082] RIP: 0033:0x463d89 [ 114.142272] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 114.161875] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.170095] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 114.177497] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 114.185068] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 114.192352] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 114.199615] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 114.219235] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 114.240287] FAULT_INJECTION: forcing a failure. [ 114.240287] name failslab, interval 1, probability 0, space 0, times 0 [ 114.252066] CPU: 0 PID: 9044 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 114.260527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.270093] Call Trace: [ 114.272757] dump_stack+0x123/0x171 [ 114.276373] should_fail.cold.4+0x5/0xa [ 114.280334] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 114.285464] ? lock_downgrade+0x860/0x860 [ 114.289611] ? ___might_sleep+0x16b/0x270 [ 114.293957] __should_failslab+0xba/0xf0 [ 114.298562] should_failslab+0x9/0x20 [ 114.302442] kmem_cache_alloc_trace+0x2cb/0x740 [ 114.307320] ? qfq_change_class+0xa93/0x14e0 [ 114.311811] ? qfq_change_class+0xa93/0x14e0 [ 114.316514] ? __local_bh_enable_ip+0x160/0x260 [ 114.321621] qfq_change_class+0xad9/0x14e0 [ 114.325855] ? qfq_delete_class+0x2d0/0x2d0 [ 114.330430] ? nla_parse+0x197/0x280 [ 114.334315] tc_ctl_tclass+0x3e9/0xba0 [ 114.338451] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 114.343870] ? find_held_lock+0x36/0x1d0 [ 114.348183] rtnetlink_rcv_msg+0x34f/0x8f0 [ 114.352438] ? rtnetlink_put_metrics+0x490/0x490 [ 114.357590] ? find_held_lock+0x36/0x1d0 [ 114.362343] netlink_rcv_skb+0x13e/0x3d0 [ 114.366646] ? lock_downgrade+0x860/0x860 [ 114.371399] ? rtnetlink_put_metrics+0x490/0x490 [ 114.376150] ? netlink_ack+0xa70/0xa70 [ 114.380323] ? netlink_deliver_tap+0x182/0xb00 [ 114.385927] rtnetlink_rcv+0x10/0x20 [ 114.389639] netlink_unicast+0x443/0x650 [ 114.393992] ? netlink_attachskb+0x6c0/0x6c0 [ 114.398616] ? _copy_from_iter_full+0x182/0x720 [ 114.403634] ? __check_object_size+0x1ef/0x310 [ 114.408299] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 114.413958] netlink_sendmsg+0x764/0xc60 [ 114.418027] ? netlink_unicast+0x650/0x650 [ 114.422550] ? apparmor_socket_sendmsg+0x1b/0x20 [ 114.427494] ? netlink_unicast+0x650/0x650 [ 114.431935] sock_sendmsg+0xb5/0xf0 [ 114.435552] ___sys_sendmsg+0x647/0x950 [ 114.439540] ? find_held_lock+0x36/0x1d0 [ 114.443684] ? copy_msghdr_from_user+0x430/0x430 [ 114.448549] ? __fget+0x278/0x400 [ 114.452262] ? kasan_check_read+0x11/0x20 [ 114.456420] ? __fget+0x295/0x400 [ 114.460037] ? expand_files.part.8+0x700/0x700 [ 114.464811] ? __f_unlock_pos+0xd/0x10 [ 114.468872] ? __fget_light+0x174/0x1e0 [ 114.473189] ? __fdget+0xe/0x10 [ 114.476461] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 114.481286] __sys_sendmsg+0xd9/0x180 [ 114.485073] ? __ia32_sys_shutdown+0x70/0x70 [ 114.489500] ? __sb_end_write+0xa4/0xd0 [ 114.493607] ? kasan_check_write+0x14/0x20 [ 114.498150] ? fput+0x18/0x120 [ 114.501533] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.506902] __x64_sys_sendmsg+0x73/0xb0 [ 114.510970] do_syscall_64+0xd0/0x4e0 [ 114.514761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.519932] RIP: 0033:0x463d89 [ 114.523103] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 114.542035] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.550110] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 114.557558] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 114.564919] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 114.572294] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 114.579725] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 114.589755] FAULT_INJECTION: forcing a failure. [ 114.589755] name failslab, interval 1, probability 0, space 0, times 0 [ 114.602828] CPU: 0 PID: 9057 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 114.610894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.620415] Call Trace: [ 114.623084] dump_stack+0x123/0x171 [ 114.626805] should_fail.cold.4+0x5/0xa [ 114.630872] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 114.636066] ? lock_downgrade+0x860/0x860 [ 114.640225] ? ___might_sleep+0x16b/0x270 [ 114.644458] __should_failslab+0xba/0xf0 [ 114.648619] should_failslab+0x9/0x20 [ 114.652568] kmem_cache_alloc_trace+0x2cb/0x740 [ 114.657220] ? qfq_change_class+0xa93/0x14e0 [ 114.661828] ? qfq_change_class+0xa93/0x14e0 [ 114.666332] ? __local_bh_enable_ip+0x160/0x260 [ 114.671481] qfq_change_class+0xad9/0x14e0 [ 114.676223] ? qfq_delete_class+0x2d0/0x2d0 [ 114.681251] ? nla_parse+0x197/0x280 [ 114.685321] tc_ctl_tclass+0x3e9/0xba0 [ 114.689308] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 114.694492] ? find_held_lock+0x36/0x1d0 [ 114.699443] rtnetlink_rcv_msg+0x34f/0x8f0 [ 114.703949] ? rtnetlink_put_metrics+0x490/0x490 [ 114.708838] ? find_held_lock+0x36/0x1d0 [ 114.712892] netlink_rcv_skb+0x13e/0x3d0 [ 114.717260] ? lock_downgrade+0x860/0x860 [ 114.721690] ? rtnetlink_put_metrics+0x490/0x490 [ 114.726601] ? netlink_ack+0xa70/0xa70 [ 114.730822] ? netlink_deliver_tap+0x182/0xb00 [ 114.735643] rtnetlink_rcv+0x10/0x20 [ 114.739679] netlink_unicast+0x443/0x650 [ 114.743957] ? netlink_attachskb+0x6c0/0x6c0 [ 114.748492] ? _copy_from_iter_full+0x182/0x720 [ 114.753168] ? __check_object_size+0x1ef/0x310 [ 114.757997] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 114.763613] netlink_sendmsg+0x764/0xc60 [ 114.767756] ? netlink_unicast+0x650/0x650 [ 114.771996] ? apparmor_socket_sendmsg+0x1b/0x20 [ 114.776896] ? netlink_unicast+0x650/0x650 [ 114.781393] sock_sendmsg+0xb5/0xf0 [ 114.785277] ___sys_sendmsg+0x647/0x950 [ 114.789558] ? find_held_lock+0x36/0x1d0 [ 114.793705] ? copy_msghdr_from_user+0x430/0x430 [ 114.798537] ? __fget+0x278/0x400 [ 114.801980] ? kasan_check_read+0x11/0x20 [ 114.806119] ? __fget+0x295/0x400 [ 114.809595] ? expand_files.part.8+0x700/0x700 [ 114.814354] ? __f_unlock_pos+0xd/0x10 [ 114.818581] ? __fget_light+0x174/0x1e0 [ 114.822543] ? __fdget+0xe/0x10 [ 114.825930] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 114.831038] __sys_sendmsg+0xd9/0x180 [ 114.835028] ? __ia32_sys_shutdown+0x70/0x70 [ 114.839604] ? __sb_end_write+0xa4/0xd0 [ 114.843767] ? kasan_check_write+0x14/0x20 [ 114.848085] ? fput+0x18/0x120 [ 114.851373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.856731] __x64_sys_sendmsg+0x73/0xb0 [ 114.860878] do_syscall_64+0xd0/0x4e0 [ 114.864849] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.870161] RIP: 0033:0x463d89 [ 114.873577] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 114.892758] RSP: 002b:00007f366ea02198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.900780] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 114.908577] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 114.916017] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 114.923554] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 114.930812] R13: 00007f366ea026bc R14: 0000000000000009 R15: 0000000000000001 [ 114.950678] FAULT_INJECTION: forcing a failure. [ 114.950678] name failslab, interval 1, probability 0, space 0, times 0 [ 114.971341] CPU: 0 PID: 9067 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 114.979252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.988713] Call Trace: [ 114.991321] dump_stack+0x123/0x171 [ 114.995044] should_fail.cold.4+0x5/0xa [ 114.999020] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 115.004214] ? lock_downgrade+0x860/0x860 [ 115.008468] ? ___might_sleep+0x16b/0x270 [ 115.012710] __should_failslab+0xba/0xf0 [ 115.017094] should_failslab+0x9/0x20 [ 115.020987] kmem_cache_alloc_trace+0x2cb/0x740 [ 115.026228] ? qfq_change_class+0xa93/0x14e0 [ 115.030833] ? qfq_change_class+0xa93/0x14e0 [ 115.035341] ? __local_bh_enable_ip+0x160/0x260 [ 115.040024] qfq_change_class+0xad9/0x14e0 [ 115.044252] ? qfq_delete_class+0x2d0/0x2d0 [ 115.048739] ? nla_parse+0x197/0x280 [ 115.052448] tc_ctl_tclass+0x3e9/0xba0 [ 115.056678] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 115.062151] ? find_held_lock+0x36/0x1d0 [ 115.066440] rtnetlink_rcv_msg+0x34f/0x8f0 [ 115.071318] ? rtnetlink_put_metrics+0x490/0x490 [ 115.076073] ? find_held_lock+0x36/0x1d0 [ 115.080133] netlink_rcv_skb+0x13e/0x3d0 [ 115.084589] ? lock_downgrade+0x860/0x860 [ 115.088902] ? rtnetlink_put_metrics+0x490/0x490 [ 115.093858] ? netlink_ack+0xa70/0xa70 [ 115.097767] ? netlink_deliver_tap+0x182/0xb00 [ 115.102576] rtnetlink_rcv+0x10/0x20 [ 115.106699] netlink_unicast+0x443/0x650 [ 115.110872] ? netlink_attachskb+0x6c0/0x6c0 [ 115.115456] ? _copy_from_iter_full+0x182/0x720 [ 115.120797] ? __check_object_size+0x1ef/0x310 [ 115.125636] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 115.131489] netlink_sendmsg+0x764/0xc60 [ 115.135985] ? netlink_unicast+0x650/0x650 [ 115.140216] ? apparmor_socket_sendmsg+0x1b/0x20 [ 115.144964] ? netlink_unicast+0x650/0x650 [ 115.149277] sock_sendmsg+0xb5/0xf0 [ 115.152973] ___sys_sendmsg+0x647/0x950 [ 115.156934] ? find_held_lock+0x36/0x1d0 [ 115.160980] ? copy_msghdr_from_user+0x430/0x430 [ 115.165822] ? __fget+0x278/0x400 [ 115.169265] ? kasan_check_read+0x11/0x20 [ 115.173674] ? __fget+0x295/0x400 [ 115.177113] ? expand_files.part.8+0x700/0x700 [ 115.181899] ? __f_unlock_pos+0xd/0x10 [ 115.185869] ? __fget_light+0x174/0x1e0 [ 115.189834] ? __fdget+0xe/0x10 [ 115.193198] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 115.198209] __sys_sendmsg+0xd9/0x180 [ 115.201991] ? __ia32_sys_shutdown+0x70/0x70 [ 115.206391] ? __sb_end_write+0xa4/0xd0 [ 115.210456] ? kasan_check_write+0x14/0x20 [ 115.214763] ? fput+0x18/0x120 [ 115.218055] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.223521] __x64_sys_sendmsg+0x73/0xb0 [ 115.227809] do_syscall_64+0xd0/0x4e0 [ 115.231862] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.237279] RIP: 0033:0x463d89 [ 115.240545] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 115.259810] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.267602] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 115.274869] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 115.282468] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 115.290172] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 115.297602] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 115.312881] FAULT_INJECTION: forcing a failure. [ 115.312881] name failslab, interval 1, probability 0, space 0, times 0 [ 115.331231] CPU: 0 PID: 9077 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 115.339050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.348743] Call Trace: [ 115.351343] dump_stack+0x123/0x171 [ 115.355152] should_fail.cold.4+0x5/0xa [ 115.359601] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 115.364849] ? lock_downgrade+0x860/0x860 [ 115.368998] ? ___might_sleep+0x16b/0x270 [ 115.373417] __should_failslab+0xba/0xf0 [ 115.377585] should_failslab+0x9/0x20 [ 115.381398] kmem_cache_alloc_trace+0x2cb/0x740 [ 115.386171] ? qfq_change_class+0xa93/0x14e0 [ 115.390666] ? qfq_change_class+0xa93/0x14e0 [ 115.395101] ? __local_bh_enable_ip+0x160/0x260 [ 115.400037] qfq_change_class+0xad9/0x14e0 [ 115.404447] ? qfq_delete_class+0x2d0/0x2d0 [ 115.409153] ? nla_parse+0x197/0x280 [ 115.413067] tc_ctl_tclass+0x3e9/0xba0 [ 115.417297] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 115.422604] ? find_held_lock+0x36/0x1d0 [ 115.426699] rtnetlink_rcv_msg+0x34f/0x8f0 [ 115.431734] ? rtnetlink_put_metrics+0x490/0x490 [ 115.436663] ? find_held_lock+0x36/0x1d0 [ 115.440934] netlink_rcv_skb+0x13e/0x3d0 [ 115.445219] ? lock_downgrade+0x860/0x860 [ 115.449385] ? rtnetlink_put_metrics+0x490/0x490 [ 115.454252] ? netlink_ack+0xa70/0xa70 [ 115.458154] ? netlink_deliver_tap+0x182/0xb00 [ 115.462765] rtnetlink_rcv+0x10/0x20 [ 115.466473] netlink_unicast+0x443/0x650 [ 115.470541] ? netlink_attachskb+0x6c0/0x6c0 [ 115.474949] ? _copy_from_iter_full+0x182/0x720 [ 115.479702] ? __check_object_size+0x1ef/0x310 [ 115.484661] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 115.490371] netlink_sendmsg+0x764/0xc60 [ 115.494499] ? netlink_unicast+0x650/0x650 [ 115.498918] ? apparmor_socket_sendmsg+0x1b/0x20 [ 115.503923] ? netlink_unicast+0x650/0x650 [ 115.508351] sock_sendmsg+0xb5/0xf0 [ 115.512197] ___sys_sendmsg+0x647/0x950 [ 115.516519] ? find_held_lock+0x36/0x1d0 [ 115.520982] ? copy_msghdr_from_user+0x430/0x430 [ 115.526014] ? __fget+0x278/0x400 [ 115.529580] ? kasan_check_read+0x11/0x20 [ 115.534195] ? __fget+0x295/0x400 [ 115.537911] ? expand_files.part.8+0x700/0x700 [ 115.542498] ? __f_unlock_pos+0xd/0x10 [ 115.546671] ? __fget_light+0x174/0x1e0 [ 115.550843] ? __fdget+0xe/0x10 [ 115.554331] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 115.559169] __sys_sendmsg+0xd9/0x180 [ 115.563054] ? __ia32_sys_shutdown+0x70/0x70 [ 115.567456] ? __sb_end_write+0xa4/0xd0 [ 115.571422] ? kasan_check_write+0x14/0x20 [ 115.575653] ? fput+0x18/0x120 [ 115.579429] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.584903] __x64_sys_sendmsg+0x73/0xb0 [ 115.589055] do_syscall_64+0xd0/0x4e0 [ 115.593142] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.598323] RIP: 0033:0x463d89 [ 115.601519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 115.620715] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.628518] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 115.636017] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 115.643859] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 115.651556] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 115.658939] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 115.680913] FAULT_INJECTION: forcing a failure. [ 115.680913] name failslab, interval 1, probability 0, space 0, times 0 [ 115.705321] CPU: 1 PID: 9096 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 115.713564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.723113] Call Trace: [ 115.726041] dump_stack+0x123/0x171 [ 115.729952] should_fail.cold.4+0x5/0xa [ 115.734261] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 115.739460] ? lock_downgrade+0x860/0x860 [ 115.743790] ? ___might_sleep+0x16b/0x270 [ 115.748196] __should_failslab+0xba/0xf0 [ 115.752249] should_failslab+0x9/0x20 [ 115.756048] kmem_cache_alloc_trace+0x2cb/0x740 [ 115.761089] ? qfq_change_class+0xa93/0x14e0 [ 115.765480] ? qfq_change_class+0xa93/0x14e0 [ 115.769994] ? __local_bh_enable_ip+0x160/0x260 [ 115.774658] qfq_change_class+0xad9/0x14e0 [ 115.778905] ? qfq_delete_class+0x2d0/0x2d0 [ 115.783338] ? nla_parse+0x197/0x280 [ 115.787077] tc_ctl_tclass+0x3e9/0xba0 [ 115.790970] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 115.796089] ? find_held_lock+0x36/0x1d0 [ 115.800405] rtnetlink_rcv_msg+0x34f/0x8f0 [ 115.804741] ? rtnetlink_put_metrics+0x490/0x490 [ 115.809931] ? find_held_lock+0x36/0x1d0 [ 115.814245] netlink_rcv_skb+0x13e/0x3d0 [ 115.818388] ? lock_downgrade+0x860/0x860 [ 115.823285] ? rtnetlink_put_metrics+0x490/0x490 [ 115.828854] ? netlink_ack+0xa70/0xa70 [ 115.834202] ? netlink_deliver_tap+0x182/0xb00 [ 115.839543] rtnetlink_rcv+0x10/0x20 [ 115.844132] netlink_unicast+0x443/0x650 [ 115.848978] ? netlink_attachskb+0x6c0/0x6c0 [ 115.854731] ? _copy_from_iter_full+0x182/0x720 [ 115.860441] ? __check_object_size+0x1ef/0x310 [ 115.865719] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 115.871620] netlink_sendmsg+0x764/0xc60 [ 115.876838] ? netlink_unicast+0x650/0x650 [ 115.881998] ? apparmor_socket_sendmsg+0x1b/0x20 [ 115.887370] ? netlink_unicast+0x650/0x650 [ 115.894547] sock_sendmsg+0xb5/0xf0 [ 115.898664] ___sys_sendmsg+0x647/0x950 [ 115.902824] ? find_held_lock+0x36/0x1d0 [ 115.907231] ? copy_msghdr_from_user+0x430/0x430 [ 115.912462] ? __fget+0x278/0x400 [ 115.916606] ? kasan_check_read+0x11/0x20 [ 115.921226] ? __fget+0x295/0x400 [ 115.925245] ? expand_files.part.8+0x700/0x700 [ 115.930202] ? __f_unlock_pos+0xd/0x10 [ 115.934380] ? __fget_light+0x174/0x1e0 [ 115.938448] ? __fdget+0xe/0x10 [ 115.941720] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 115.946805] __sys_sendmsg+0xd9/0x180 [ 115.951022] ? __ia32_sys_shutdown+0x70/0x70 [ 115.955638] ? __sb_end_write+0xa4/0xd0 [ 115.959808] ? kasan_check_write+0x14/0x20 [ 115.964700] ? fput+0x18/0x120 [ 115.968092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.973988] __x64_sys_sendmsg+0x73/0xb0 [ 115.978201] do_syscall_64+0xd0/0x4e0 [ 115.982726] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.988734] RIP: 0033:0x463d89 [ 115.992243] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 116.012243] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.021164] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 2021/04/24 20:07:30 executed programs: 196 [ 116.028529] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 116.035878] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 116.043928] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 116.051482] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 116.065877] FAULT_INJECTION: forcing a failure. [ 116.065877] name failslab, interval 1, probability 0, space 0, times 0 [ 116.079529] CPU: 1 PID: 9097 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 116.087716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.097455] Call Trace: [ 116.100252] dump_stack+0x123/0x171 [ 116.104069] should_fail.cold.4+0x5/0xa [ 116.108047] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 116.113343] ? lock_downgrade+0x860/0x860 [ 116.117964] ? ___might_sleep+0x16b/0x270 [ 116.122472] __should_failslab+0xba/0xf0 [ 116.126892] should_failslab+0x9/0x20 [ 116.130952] kmem_cache_alloc_trace+0x2cb/0x740 [ 116.136105] ? qfq_change_class+0xa93/0x14e0 [ 116.140868] ? qfq_change_class+0xa93/0x14e0 [ 116.145390] ? __local_bh_enable_ip+0x160/0x260 [ 116.150159] qfq_change_class+0xad9/0x14e0 [ 116.154388] ? qfq_delete_class+0x2d0/0x2d0 [ 116.158822] ? nla_parse+0x197/0x280 [ 116.162843] tc_ctl_tclass+0x3e9/0xba0 [ 116.166940] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 116.172243] ? find_held_lock+0x36/0x1d0 [ 116.176496] rtnetlink_rcv_msg+0x34f/0x8f0 [ 116.180816] ? rtnetlink_put_metrics+0x490/0x490 [ 116.185567] ? find_held_lock+0x36/0x1d0 [ 116.189916] netlink_rcv_skb+0x13e/0x3d0 [ 116.194216] ? lock_downgrade+0x860/0x860 [ 116.198364] ? rtnetlink_put_metrics+0x490/0x490 [ 116.203221] ? netlink_ack+0xa70/0xa70 [ 116.207533] ? netlink_deliver_tap+0x182/0xb00 [ 116.212333] rtnetlink_rcv+0x10/0x20 [ 116.216134] netlink_unicast+0x443/0x650 [ 116.220378] ? netlink_attachskb+0x6c0/0x6c0 [ 116.225266] ? _copy_from_iter_full+0x182/0x720 [ 116.230030] ? __check_object_size+0x1ef/0x310 [ 116.234779] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 116.240604] netlink_sendmsg+0x764/0xc60 [ 116.245042] ? netlink_unicast+0x650/0x650 [ 116.249827] ? apparmor_socket_sendmsg+0x1b/0x20 [ 116.254943] ? netlink_unicast+0x650/0x650 [ 116.260008] sock_sendmsg+0xb5/0xf0 [ 116.263639] ___sys_sendmsg+0x647/0x950 [ 116.267847] ? find_held_lock+0x36/0x1d0 [ 116.272190] ? copy_msghdr_from_user+0x430/0x430 [ 116.276951] ? __fget+0x278/0x400 [ 116.280501] ? kasan_check_read+0x11/0x20 [ 116.285057] ? __fget+0x295/0x400 [ 116.288678] ? expand_files.part.8+0x700/0x700 [ 116.293352] ? __f_unlock_pos+0xd/0x10 [ 116.297468] ? __fget_light+0x174/0x1e0 [ 116.301646] ? __fdget+0xe/0x10 [ 116.305479] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 116.310485] __sys_sendmsg+0xd9/0x180 [ 116.314723] ? __ia32_sys_shutdown+0x70/0x70 [ 116.319331] ? __sb_end_write+0xa4/0xd0 [ 116.323631] ? kasan_check_write+0x14/0x20 [ 116.327973] ? fput+0x18/0x120 [ 116.331478] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.337818] __x64_sys_sendmsg+0x73/0xb0 [ 116.342509] do_syscall_64+0xd0/0x4e0 [ 116.346695] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.352093] RIP: 0033:0x463d89 [ 116.355468] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 116.378180] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.386516] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 116.394242] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 116.402413] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 116.410140] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 116.418052] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 116.427607] nla_parse: 4 callbacks suppressed [ 116.427612] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 116.448117] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 116.464379] FAULT_INJECTION: forcing a failure. [ 116.464379] name failslab, interval 1, probability 0, space 0, times 0 [ 116.479266] CPU: 1 PID: 9112 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 116.487454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.497172] Call Trace: [ 116.499957] dump_stack+0x123/0x171 [ 116.503685] should_fail.cold.4+0x5/0xa [ 116.507795] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 116.513083] ? lock_downgrade+0x860/0x860 [ 116.517251] ? ___might_sleep+0x16b/0x270 [ 116.521410] __should_failslab+0xba/0xf0 [ 116.525916] should_failslab+0x9/0x20 [ 116.529892] kmem_cache_alloc_trace+0x2cb/0x740 [ 116.534724] ? qfq_change_class+0xa93/0x14e0 [ 116.539236] ? qfq_change_class+0xa93/0x14e0 [ 116.543809] ? __local_bh_enable_ip+0x160/0x260 [ 116.548666] qfq_change_class+0xad9/0x14e0 [ 116.553624] ? qfq_delete_class+0x2d0/0x2d0 [ 116.558149] ? nla_parse+0x197/0x280 [ 116.562041] tc_ctl_tclass+0x3e9/0xba0 [ 116.566275] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 116.571868] ? find_held_lock+0x36/0x1d0 [ 116.576036] rtnetlink_rcv_msg+0x34f/0x8f0 [ 116.580755] ? rtnetlink_put_metrics+0x490/0x490 [ 116.586156] ? find_held_lock+0x36/0x1d0 [ 116.590717] netlink_rcv_skb+0x13e/0x3d0 [ 116.594785] ? lock_downgrade+0x860/0x860 [ 116.599107] ? rtnetlink_put_metrics+0x490/0x490 [ 116.603976] ? netlink_ack+0xa70/0xa70 [ 116.608080] ? netlink_deliver_tap+0x182/0xb00 [ 116.612971] rtnetlink_rcv+0x10/0x20 [ 116.616684] netlink_unicast+0x443/0x650 [ 116.621024] ? netlink_attachskb+0x6c0/0x6c0 [ 116.625571] ? _copy_from_iter_full+0x182/0x720 [ 116.630236] ? __check_object_size+0x1ef/0x310 [ 116.635146] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 116.640906] netlink_sendmsg+0x764/0xc60 [ 116.645194] ? netlink_unicast+0x650/0x650 [ 116.649880] ? apparmor_socket_sendmsg+0x1b/0x20 [ 116.655167] ? netlink_unicast+0x650/0x650 [ 116.659609] sock_sendmsg+0xb5/0xf0 [ 116.663228] ___sys_sendmsg+0x647/0x950 [ 116.667219] ? find_held_lock+0x36/0x1d0 [ 116.671371] ? copy_msghdr_from_user+0x430/0x430 [ 116.676225] ? __fget+0x278/0x400 [ 116.679669] ? kasan_check_read+0x11/0x20 [ 116.683813] ? __fget+0x295/0x400 [ 116.687446] ? expand_files.part.8+0x700/0x700 [ 116.692030] ? __f_unlock_pos+0xd/0x10 [ 116.696106] ? __fget_light+0x174/0x1e0 [ 116.700233] ? __fdget+0xe/0x10 [ 116.703674] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 116.708680] __sys_sendmsg+0xd9/0x180 [ 116.712471] ? __ia32_sys_shutdown+0x70/0x70 [ 116.716871] ? __sb_end_write+0xa4/0xd0 [ 116.721793] ? kasan_check_write+0x14/0x20 [ 116.726029] ? fput+0x18/0x120 [ 116.729663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.735613] __x64_sys_sendmsg+0x73/0xb0 [ 116.739789] do_syscall_64+0xd0/0x4e0 [ 116.743742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.749221] RIP: 0033:0x463d89 [ 116.752821] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 116.772366] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.780603] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 116.788326] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 116.795964] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 116.803671] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 116.811611] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 116.820643] FAULT_INJECTION: forcing a failure. [ 116.820643] name failslab, interval 1, probability 0, space 0, times 0 [ 116.834388] CPU: 1 PID: 9113 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 116.842296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.852346] Call Trace: [ 116.854942] dump_stack+0x123/0x171 [ 116.858672] should_fail.cold.4+0x5/0xa [ 116.862762] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 116.868071] ? lock_downgrade+0x860/0x860 [ 116.872518] ? ___might_sleep+0x16b/0x270 [ 116.876786] __should_failslab+0xba/0xf0 [ 116.881019] should_failslab+0x9/0x20 [ 116.884998] kmem_cache_alloc_trace+0x2cb/0x740 [ 116.889755] ? qfq_change_class+0xa93/0x14e0 [ 116.894253] ? qfq_change_class+0xa93/0x14e0 [ 116.898828] ? __local_bh_enable_ip+0x160/0x260 [ 116.903745] qfq_change_class+0xad9/0x14e0 [ 116.907973] ? qfq_delete_class+0x2d0/0x2d0 [ 116.912391] ? nla_parse+0x197/0x280 [ 116.916718] tc_ctl_tclass+0x3e9/0xba0 [ 116.920780] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 116.925973] ? find_held_lock+0x36/0x1d0 [ 116.930063] rtnetlink_rcv_msg+0x34f/0x8f0 [ 116.934391] ? rtnetlink_put_metrics+0x490/0x490 [ 116.939236] ? find_held_lock+0x36/0x1d0 [ 116.943415] netlink_rcv_skb+0x13e/0x3d0 [ 116.947559] ? lock_downgrade+0x860/0x860 [ 116.951802] ? rtnetlink_put_metrics+0x490/0x490 [ 116.956632] ? netlink_ack+0xa70/0xa70 [ 116.960502] ? netlink_deliver_tap+0x182/0xb00 [ 116.965206] rtnetlink_rcv+0x10/0x20 [ 116.969012] netlink_unicast+0x443/0x650 [ 116.973444] ? netlink_attachskb+0x6c0/0x6c0 [ 116.977847] ? _copy_from_iter_full+0x182/0x720 [ 116.982597] ? __check_object_size+0x1ef/0x310 [ 116.987518] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 116.993170] netlink_sendmsg+0x764/0xc60 [ 116.997444] ? netlink_unicast+0x650/0x650 [ 117.002375] ? apparmor_socket_sendmsg+0x1b/0x20 [ 117.007339] ? netlink_unicast+0x650/0x650 [ 117.012347] sock_sendmsg+0xb5/0xf0 [ 117.016141] ___sys_sendmsg+0x647/0x950 [ 117.020234] ? find_held_lock+0x36/0x1d0 [ 117.024297] ? copy_msghdr_from_user+0x430/0x430 [ 117.029610] ? __fget+0x278/0x400 [ 117.033168] ? kasan_check_read+0x11/0x20 [ 117.037789] ? __fget+0x295/0x400 [ 117.041590] ? expand_files.part.8+0x700/0x700 [ 117.046466] ? __f_unlock_pos+0xd/0x10 [ 117.050724] ? __fget_light+0x174/0x1e0 [ 117.055234] ? __fdget+0xe/0x10 [ 117.058592] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 117.063718] __sys_sendmsg+0xd9/0x180 [ 117.067611] ? __ia32_sys_shutdown+0x70/0x70 [ 117.072251] ? __sb_end_write+0xa4/0xd0 [ 117.076347] ? kasan_check_write+0x14/0x20 [ 117.080581] ? fput+0x18/0x120 [ 117.083799] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.089531] __x64_sys_sendmsg+0x73/0xb0 [ 117.093724] do_syscall_64+0xd0/0x4e0 [ 117.097639] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.103296] RIP: 0033:0x463d89 [ 117.106579] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 117.126597] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.134922] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 117.142736] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 117.150350] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 117.157998] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 117.166079] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 117.174888] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 117.190689] FAULT_INJECTION: forcing a failure. [ 117.190689] name failslab, interval 1, probability 0, space 0, times 0 [ 117.203751] CPU: 1 PID: 9123 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 117.211651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.221633] Call Trace: [ 117.224249] dump_stack+0x123/0x171 [ 117.227887] should_fail.cold.4+0x5/0xa [ 117.231960] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 117.237256] ? lock_downgrade+0x860/0x860 [ 117.241851] ? ___might_sleep+0x16b/0x270 [ 117.246512] __should_failslab+0xba/0xf0 [ 117.251543] should_failslab+0x9/0x20 [ 117.255395] kmem_cache_alloc_trace+0x2cb/0x740 [ 117.260294] ? qfq_change_class+0xa93/0x14e0 [ 117.264908] ? qfq_change_class+0xa93/0x14e0 [ 117.270545] ? __local_bh_enable_ip+0x160/0x260 [ 117.275389] qfq_change_class+0xad9/0x14e0 [ 117.279925] ? qfq_delete_class+0x2d0/0x2d0 [ 117.284709] ? nla_parse+0x197/0x280 [ 117.288417] tc_ctl_tclass+0x3e9/0xba0 [ 117.292336] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 117.297450] ? find_held_lock+0x36/0x1d0 [ 117.302540] rtnetlink_rcv_msg+0x34f/0x8f0 [ 117.306794] ? rtnetlink_put_metrics+0x490/0x490 [ 117.311834] ? find_held_lock+0x36/0x1d0 [ 117.316016] netlink_rcv_skb+0x13e/0x3d0 [ 117.320210] ? lock_downgrade+0x860/0x860 [ 117.324470] ? rtnetlink_put_metrics+0x490/0x490 [ 117.330348] ? netlink_ack+0xa70/0xa70 [ 117.334366] ? netlink_deliver_tap+0x182/0xb00 [ 117.339060] rtnetlink_rcv+0x10/0x20 [ 117.342761] netlink_unicast+0x443/0x650 [ 117.347213] ? netlink_attachskb+0x6c0/0x6c0 [ 117.351662] ? _copy_from_iter_full+0x182/0x720 [ 117.356762] ? __check_object_size+0x1ef/0x310 [ 117.361652] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 117.368141] netlink_sendmsg+0x764/0xc60 [ 117.372609] ? netlink_unicast+0x650/0x650 [ 117.377031] ? apparmor_socket_sendmsg+0x1b/0x20 [ 117.382105] ? netlink_unicast+0x650/0x650 [ 117.386426] sock_sendmsg+0xb5/0xf0 [ 117.390051] ___sys_sendmsg+0x647/0x950 [ 117.394412] ? find_held_lock+0x36/0x1d0 [ 117.399065] ? copy_msghdr_from_user+0x430/0x430 [ 117.403920] ? __fget+0x278/0x400 [ 117.407540] ? kasan_check_read+0x11/0x20 [ 117.412875] ? __fget+0x295/0x400 [ 117.416421] ? expand_files.part.8+0x700/0x700 [ 117.421663] ? __f_unlock_pos+0xd/0x10 [ 117.425734] ? __fget_light+0x174/0x1e0 [ 117.429799] ? __fdget+0xe/0x10 [ 117.433277] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 117.438757] __sys_sendmsg+0xd9/0x180 [ 117.443702] ? __ia32_sys_shutdown+0x70/0x70 [ 117.448486] ? __sb_end_write+0xa4/0xd0 [ 117.452818] ? kasan_check_write+0x14/0x20 [ 117.457222] ? fput+0x18/0x120 [ 117.460507] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.466756] __x64_sys_sendmsg+0x73/0xb0 [ 117.470998] do_syscall_64+0xd0/0x4e0 [ 117.475063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.480327] RIP: 0033:0x463d89 [ 117.483716] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 117.503893] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.512639] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 117.519906] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 117.527702] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 117.534978] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 117.542485] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 117.558577] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 117.594101] FAULT_INJECTION: forcing a failure. [ 117.594101] name failslab, interval 1, probability 0, space 0, times 0 [ 117.606046] CPU: 0 PID: 9137 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 117.613867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.623299] Call Trace: [ 117.625881] dump_stack+0x123/0x171 [ 117.629601] should_fail.cold.4+0x5/0xa [ 117.633744] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 117.639018] ? lock_downgrade+0x860/0x860 [ 117.643165] ? ___might_sleep+0x16b/0x270 [ 117.647411] __should_failslab+0xba/0xf0 [ 117.651710] should_failslab+0x9/0x20 [ 117.655587] kmem_cache_alloc_trace+0x2cb/0x740 [ 117.660271] ? qfq_change_class+0xa93/0x14e0 [ 117.664793] ? qfq_change_class+0xa93/0x14e0 [ 117.669197] ? __local_bh_enable_ip+0x160/0x260 [ 117.673955] qfq_change_class+0xad9/0x14e0 [ 117.678214] ? qfq_delete_class+0x2d0/0x2d0 [ 117.682869] ? nla_parse+0x197/0x280 [ 117.686593] tc_ctl_tclass+0x3e9/0xba0 [ 117.690633] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 117.696289] ? find_held_lock+0x36/0x1d0 [ 117.700490] rtnetlink_rcv_msg+0x34f/0x8f0 [ 117.705062] ? rtnetlink_put_metrics+0x490/0x490 [ 117.709911] ? find_held_lock+0x36/0x1d0 [ 117.714815] netlink_rcv_skb+0x13e/0x3d0 [ 117.718893] ? lock_downgrade+0x860/0x860 [ 117.723325] ? rtnetlink_put_metrics+0x490/0x490 [ 117.728111] ? netlink_ack+0xa70/0xa70 [ 117.732006] ? netlink_deliver_tap+0x182/0xb00 [ 117.736689] rtnetlink_rcv+0x10/0x20 [ 117.740797] netlink_unicast+0x443/0x650 [ 117.745229] ? netlink_attachskb+0x6c0/0x6c0 [ 117.749944] ? _copy_from_iter_full+0x182/0x720 [ 117.755060] ? __check_object_size+0x1ef/0x310 [ 117.759876] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 117.765781] netlink_sendmsg+0x764/0xc60 [ 117.769853] ? netlink_unicast+0x650/0x650 [ 117.774388] ? apparmor_socket_sendmsg+0x1b/0x20 [ 117.779566] ? netlink_unicast+0x650/0x650 [ 117.783882] sock_sendmsg+0xb5/0xf0 [ 117.787594] ___sys_sendmsg+0x647/0x950 [ 117.791701] ? find_held_lock+0x36/0x1d0 [ 117.795756] ? copy_msghdr_from_user+0x430/0x430 [ 117.801285] ? __fget+0x278/0x400 [ 117.804774] ? kasan_check_read+0x11/0x20 [ 117.808927] ? __fget+0x295/0x400 [ 117.812506] ? expand_files.part.8+0x700/0x700 [ 117.817532] ? __f_unlock_pos+0xd/0x10 [ 117.821676] ? __fget_light+0x174/0x1e0 [ 117.825934] ? __fdget+0xe/0x10 [ 117.829318] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 117.834638] __sys_sendmsg+0xd9/0x180 [ 117.838726] ? __ia32_sys_shutdown+0x70/0x70 [ 117.843351] ? __sb_end_write+0xa4/0xd0 [ 117.847486] ? kasan_check_write+0x14/0x20 [ 117.851729] ? fput+0x18/0x120 [ 117.855256] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.860820] __x64_sys_sendmsg+0x73/0xb0 [ 117.864895] do_syscall_64+0xd0/0x4e0 [ 117.868942] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.874160] RIP: 0033:0x463d89 [ 117.877431] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 117.897172] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.905256] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 117.913101] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 117.920496] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 117.928154] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 117.935816] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 117.944565] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 117.961730] FAULT_INJECTION: forcing a failure. [ 117.961730] name failslab, interval 1, probability 0, space 0, times 0 [ 117.975839] CPU: 0 PID: 9143 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 117.983975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.993997] Call Trace: [ 117.996684] dump_stack+0x123/0x171 [ 118.000322] should_fail.cold.4+0x5/0xa [ 118.004314] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 118.009420] ? lock_downgrade+0x860/0x860 [ 118.013642] ? ___might_sleep+0x16b/0x270 [ 118.017922] __should_failslab+0xba/0xf0 [ 118.022598] should_failslab+0x9/0x20 [ 118.026514] kmem_cache_alloc_trace+0x2cb/0x740 [ 118.031606] ? qfq_change_class+0xa93/0x14e0 [ 118.036246] ? qfq_change_class+0xa93/0x14e0 [ 118.041265] ? __local_bh_enable_ip+0x160/0x260 [ 118.046944] qfq_change_class+0xad9/0x14e0 [ 118.051777] ? qfq_delete_class+0x2d0/0x2d0 [ 118.056535] ? nla_parse+0x197/0x280 [ 118.060250] tc_ctl_tclass+0x3e9/0xba0 [ 118.064137] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 118.069594] ? find_held_lock+0x36/0x1d0 [ 118.073984] rtnetlink_rcv_msg+0x34f/0x8f0 [ 118.078481] ? rtnetlink_put_metrics+0x490/0x490 [ 118.083233] ? find_held_lock+0x36/0x1d0 [ 118.087463] netlink_rcv_skb+0x13e/0x3d0 [ 118.091522] ? lock_downgrade+0x860/0x860 [ 118.097445] ? rtnetlink_put_metrics+0x490/0x490 [ 118.103058] ? netlink_ack+0xa70/0xa70 [ 118.107222] ? netlink_deliver_tap+0x182/0xb00 [ 118.111997] rtnetlink_rcv+0x10/0x20 [ 118.115894] netlink_unicast+0x443/0x650 [ 118.119953] ? netlink_attachskb+0x6c0/0x6c0 [ 118.124649] ? _copy_from_iter_full+0x182/0x720 [ 118.129319] ? __check_object_size+0x1ef/0x310 [ 118.134093] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 118.139727] netlink_sendmsg+0x764/0xc60 [ 118.143967] ? netlink_unicast+0x650/0x650 [ 118.148198] ? apparmor_socket_sendmsg+0x1b/0x20 [ 118.153058] ? netlink_unicast+0x650/0x650 [ 118.157645] sock_sendmsg+0xb5/0xf0 [ 118.161278] ___sys_sendmsg+0x647/0x950 [ 118.165607] ? find_held_lock+0x36/0x1d0 [ 118.170134] ? copy_msghdr_from_user+0x430/0x430 [ 118.174901] ? __fget+0x278/0x400 [ 118.178701] ? kasan_check_read+0x11/0x20 [ 118.182969] ? __fget+0x295/0x400 [ 118.186509] ? expand_files.part.8+0x700/0x700 [ 118.191116] ? __f_unlock_pos+0xd/0x10 [ 118.195014] ? __fget_light+0x174/0x1e0 [ 118.199079] ? __fdget+0xe/0x10 [ 118.202499] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 118.207382] __sys_sendmsg+0xd9/0x180 [ 118.211451] ? __ia32_sys_shutdown+0x70/0x70 [ 118.215861] ? __sb_end_write+0xa4/0xd0 [ 118.220078] ? kasan_check_write+0x14/0x20 [ 118.224488] ? fput+0x18/0x120 [ 118.227775] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.233187] __x64_sys_sendmsg+0x73/0xb0 [ 118.237250] do_syscall_64+0xd0/0x4e0 [ 118.241044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.246332] RIP: 0033:0x463d89 [ 118.249606] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 118.268926] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.276708] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 118.284242] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 118.291873] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 118.299231] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 118.306824] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 118.316417] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 118.348792] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 118.370641] FAULT_INJECTION: forcing a failure. [ 118.370641] name failslab, interval 1, probability 0, space 0, times 0 [ 118.388233] CPU: 0 PID: 9161 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 118.396841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.406230] Call Trace: [ 118.408969] dump_stack+0x123/0x171 [ 118.412907] should_fail.cold.4+0x5/0xa [ 118.416886] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 118.421998] ? lock_downgrade+0x860/0x860 [ 118.426458] ? ___might_sleep+0x16b/0x270 [ 118.430650] __should_failslab+0xba/0xf0 [ 118.434794] should_failslab+0x9/0x20 [ 118.438868] kmem_cache_alloc_trace+0x2cb/0x740 [ 118.444060] ? qfq_change_class+0xa93/0x14e0 [ 118.448642] ? qfq_change_class+0xa93/0x14e0 [ 118.453537] ? __local_bh_enable_ip+0x160/0x260 [ 118.458202] qfq_change_class+0xad9/0x14e0 [ 118.462601] ? qfq_delete_class+0x2d0/0x2d0 [ 118.466983] ? nla_parse+0x197/0x280 [ 118.471371] tc_ctl_tclass+0x3e9/0xba0 [ 118.475962] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 118.481421] ? find_held_lock+0x36/0x1d0 [ 118.486298] rtnetlink_rcv_msg+0x34f/0x8f0 [ 118.491045] ? rtnetlink_put_metrics+0x490/0x490 [ 118.495974] ? find_held_lock+0x36/0x1d0 [ 118.500268] netlink_rcv_skb+0x13e/0x3d0 [ 118.504510] ? lock_downgrade+0x860/0x860 [ 118.508874] ? rtnetlink_put_metrics+0x490/0x490 [ 118.514428] ? netlink_ack+0xa70/0xa70 [ 118.518513] ? netlink_deliver_tap+0x182/0xb00 [ 118.523545] rtnetlink_rcv+0x10/0x20 [ 118.527780] netlink_unicast+0x443/0x650 [ 118.532891] ? netlink_attachskb+0x6c0/0x6c0 [ 118.537415] ? _copy_from_iter_full+0x182/0x720 [ 118.542395] ? __check_object_size+0x1ef/0x310 [ 118.547715] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 118.553867] netlink_sendmsg+0x764/0xc60 [ 118.558609] ? netlink_unicast+0x650/0x650 [ 118.563198] ? apparmor_socket_sendmsg+0x1b/0x20 [ 118.568860] ? netlink_unicast+0x650/0x650 [ 118.573790] sock_sendmsg+0xb5/0xf0 [ 118.577709] ___sys_sendmsg+0x647/0x950 [ 118.582336] ? find_held_lock+0x36/0x1d0 [ 118.587085] ? copy_msghdr_from_user+0x430/0x430 [ 118.592105] ? __fget+0x278/0x400 [ 118.595755] ? kasan_check_read+0x11/0x20 [ 118.600024] ? __fget+0x295/0x400 [ 118.603594] ? expand_files.part.8+0x700/0x700 [ 118.608313] ? __f_unlock_pos+0xd/0x10 [ 118.612285] ? __fget_light+0x174/0x1e0 [ 118.616365] ? __fdget+0xe/0x10 [ 118.619730] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 118.625218] __sys_sendmsg+0xd9/0x180 [ 118.629623] ? __ia32_sys_shutdown+0x70/0x70 [ 118.634644] ? __sb_end_write+0xa4/0xd0 [ 118.638730] ? kasan_check_write+0x14/0x20 [ 118.643252] ? fput+0x18/0x120 [ 118.646809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.652400] __x64_sys_sendmsg+0x73/0xb0 [ 118.656855] do_syscall_64+0xd0/0x4e0 [ 118.660742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.665925] RIP: 0033:0x463d89 [ 118.669213] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 118.688293] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.696322] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 118.703601] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 118.711214] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 118.718484] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 118.726484] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 118.736936] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 118.753001] FAULT_INJECTION: forcing a failure. [ 118.753001] name failslab, interval 1, probability 0, space 0, times 0 [ 118.766245] CPU: 0 PID: 9172 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 118.774148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.783610] Call Trace: [ 118.786377] dump_stack+0x123/0x171 [ 118.790023] should_fail.cold.4+0x5/0xa [ 118.794114] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 118.799301] ? lock_downgrade+0x860/0x860 [ 118.803622] ? ___might_sleep+0x16b/0x270 [ 118.807864] __should_failslab+0xba/0xf0 [ 118.812135] should_failslab+0x9/0x20 [ 118.816038] kmem_cache_alloc_trace+0x2cb/0x740 [ 118.820699] ? qfq_change_class+0xa93/0x14e0 [ 118.825093] ? qfq_change_class+0xa93/0x14e0 [ 118.829487] ? __local_bh_enable_ip+0x160/0x260 [ 118.834329] qfq_change_class+0xad9/0x14e0 [ 118.838566] ? qfq_delete_class+0x2d0/0x2d0 [ 118.843090] ? nla_parse+0x197/0x280 [ 118.846976] tc_ctl_tclass+0x3e9/0xba0 [ 118.850966] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 118.856064] ? find_held_lock+0x36/0x1d0 [ 118.860742] rtnetlink_rcv_msg+0x34f/0x8f0 [ 118.864974] ? rtnetlink_put_metrics+0x490/0x490 [ 118.870086] ? find_held_lock+0x36/0x1d0 [ 118.874220] netlink_rcv_skb+0x13e/0x3d0 [ 118.878271] ? lock_downgrade+0x860/0x860 [ 118.882587] ? rtnetlink_put_metrics+0x490/0x490 [ 118.887614] ? netlink_ack+0xa70/0xa70 [ 118.891492] ? netlink_deliver_tap+0x182/0xb00 [ 118.896172] rtnetlink_rcv+0x10/0x20 [ 118.900144] netlink_unicast+0x443/0x650 [ 118.904188] ? netlink_attachskb+0x6c0/0x6c0 [ 118.908944] ? _copy_from_iter_full+0x182/0x720 [ 118.914126] ? __check_object_size+0x1ef/0x310 [ 118.918700] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 118.924257] netlink_sendmsg+0x764/0xc60 [ 118.928434] ? netlink_unicast+0x650/0x650 [ 118.932853] ? apparmor_socket_sendmsg+0x1b/0x20 [ 118.937659] ? netlink_unicast+0x650/0x650 [ 118.942000] sock_sendmsg+0xb5/0xf0 [ 118.946182] ___sys_sendmsg+0x647/0x950 [ 118.950157] ? find_held_lock+0x36/0x1d0 [ 118.954200] ? copy_msghdr_from_user+0x430/0x430 [ 118.959358] ? __fget+0x278/0x400 [ 118.962806] ? kasan_check_read+0x11/0x20 [ 118.966943] ? __fget+0x295/0x400 [ 118.970391] ? expand_files.part.8+0x700/0x700 [ 118.974974] ? __f_unlock_pos+0xd/0x10 [ 118.978943] ? __fget_light+0x174/0x1e0 [ 118.982993] ? __fdget+0xe/0x10 [ 118.986344] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 118.991361] __sys_sendmsg+0xd9/0x180 [ 118.995259] ? __ia32_sys_shutdown+0x70/0x70 [ 118.999658] ? __sb_end_write+0xa4/0xd0 [ 119.003615] ? kasan_check_write+0x14/0x20 [ 119.007948] ? fput+0x18/0x120 [ 119.011531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.016898] __x64_sys_sendmsg+0x73/0xb0 [ 119.021126] do_syscall_64+0xd0/0x4e0 [ 119.024946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.030209] RIP: 0033:0x463d89 [ 119.033471] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 119.053012] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.060871] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 119.068522] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 119.076433] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 119.083882] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 119.091226] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 119.107856] FAULT_INJECTION: forcing a failure. [ 119.107856] name failslab, interval 1, probability 0, space 0, times 0 [ 119.122873] CPU: 0 PID: 9173 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 119.130885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.140641] Call Trace: [ 119.143326] dump_stack+0x123/0x171 [ 119.147045] should_fail.cold.4+0x5/0xa [ 119.151138] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 119.156353] ? lock_downgrade+0x860/0x860 [ 119.160637] ? ___might_sleep+0x16b/0x270 [ 119.165128] __should_failslab+0xba/0xf0 [ 119.169376] should_failslab+0x9/0x20 [ 119.173206] kmem_cache_alloc_trace+0x2cb/0x740 [ 119.178143] ? qfq_change_class+0xa93/0x14e0 [ 119.182548] ? qfq_change_class+0xa93/0x14e0 [ 119.187145] ? __local_bh_enable_ip+0x160/0x260 [ 119.191962] qfq_change_class+0xad9/0x14e0 [ 119.196462] ? qfq_delete_class+0x2d0/0x2d0 [ 119.201265] ? nla_parse+0x197/0x280 [ 119.204987] tc_ctl_tclass+0x3e9/0xba0 [ 119.208866] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 119.214144] ? find_held_lock+0x36/0x1d0 [ 119.218375] rtnetlink_rcv_msg+0x34f/0x8f0 [ 119.222590] ? rtnetlink_put_metrics+0x490/0x490 [ 119.228125] ? find_held_lock+0x36/0x1d0 [ 119.232203] netlink_rcv_skb+0x13e/0x3d0 [ 119.236338] ? lock_downgrade+0x860/0x860 [ 119.240568] ? rtnetlink_put_metrics+0x490/0x490 [ 119.245587] ? netlink_ack+0xa70/0xa70 [ 119.249475] ? netlink_deliver_tap+0x182/0xb00 [ 119.254273] rtnetlink_rcv+0x10/0x20 [ 119.258258] netlink_unicast+0x443/0x650 [ 119.262439] ? netlink_attachskb+0x6c0/0x6c0 [ 119.267106] ? _copy_from_iter_full+0x182/0x720 [ 119.272039] ? __check_object_size+0x1ef/0x310 [ 119.276721] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 119.282434] netlink_sendmsg+0x764/0xc60 [ 119.286773] ? netlink_unicast+0x650/0x650 [ 119.291379] ? apparmor_socket_sendmsg+0x1b/0x20 [ 119.296438] ? netlink_unicast+0x650/0x650 [ 119.300866] sock_sendmsg+0xb5/0xf0 [ 119.304603] ___sys_sendmsg+0x647/0x950 [ 119.309538] ? find_held_lock+0x36/0x1d0 [ 119.314328] ? copy_msghdr_from_user+0x430/0x430 [ 119.319657] ? __fget+0x278/0x400 [ 119.323197] ? kasan_check_read+0x11/0x20 [ 119.328318] ? __fget+0x295/0x400 [ 119.331880] ? expand_files.part.8+0x700/0x700 [ 119.336647] ? __f_unlock_pos+0xd/0x10 [ 119.340721] ? __fget_light+0x174/0x1e0 [ 119.345257] ? __fdget+0xe/0x10 [ 119.348625] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 119.353677] __sys_sendmsg+0xd9/0x180 [ 119.357463] ? __ia32_sys_shutdown+0x70/0x70 [ 119.362683] ? __sb_end_write+0xa4/0xd0 [ 119.367046] ? kasan_check_write+0x14/0x20 [ 119.371819] ? fput+0x18/0x120 [ 119.375243] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.380901] __x64_sys_sendmsg+0x73/0xb0 [ 119.385060] do_syscall_64+0xd0/0x4e0 [ 119.389207] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.394610] RIP: 0033:0x463d89 [ 119.397816] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 119.417076] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.424786] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 119.432331] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 119.440142] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 119.447788] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 119.456067] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 119.467203] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 119.501884] FAULT_INJECTION: forcing a failure. [ 119.501884] name failslab, interval 1, probability 0, space 0, times 0 [ 119.520006] CPU: 1 PID: 9183 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 119.528204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.537549] Call Trace: [ 119.540141] dump_stack+0x123/0x171 [ 119.543948] should_fail.cold.4+0x5/0xa [ 119.547916] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 119.553158] ? lock_downgrade+0x860/0x860 [ 119.557352] ? ___might_sleep+0x16b/0x270 [ 119.561632] __should_failslab+0xba/0xf0 [ 119.566008] should_failslab+0x9/0x20 [ 119.570020] kmem_cache_alloc_trace+0x2cb/0x740 [ 119.574673] ? qfq_change_class+0xa93/0x14e0 [ 119.579089] ? qfq_change_class+0xa93/0x14e0 [ 119.583767] ? __local_bh_enable_ip+0x160/0x260 [ 119.588879] qfq_change_class+0xad9/0x14e0 [ 119.593115] ? qfq_delete_class+0x2d0/0x2d0 [ 119.597574] ? nla_parse+0x197/0x280 [ 119.601293] tc_ctl_tclass+0x3e9/0xba0 [ 119.605452] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 119.611227] ? find_held_lock+0x36/0x1d0 [ 119.615402] rtnetlink_rcv_msg+0x34f/0x8f0 [ 119.619637] ? rtnetlink_put_metrics+0x490/0x490 [ 119.624396] ? find_held_lock+0x36/0x1d0 [ 119.628639] netlink_rcv_skb+0x13e/0x3d0 [ 119.632782] ? lock_downgrade+0x860/0x860 [ 119.637064] ? rtnetlink_put_metrics+0x490/0x490 [ 119.641911] ? netlink_ack+0xa70/0xa70 [ 119.645948] ? netlink_deliver_tap+0x182/0xb00 [ 119.650618] rtnetlink_rcv+0x10/0x20 [ 119.654499] netlink_unicast+0x443/0x650 [ 119.659116] ? netlink_attachskb+0x6c0/0x6c0 [ 119.663517] ? _copy_from_iter_full+0x182/0x720 [ 119.668507] ? __check_object_size+0x1ef/0x310 [ 119.673188] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 119.679086] netlink_sendmsg+0x764/0xc60 [ 119.683419] ? netlink_unicast+0x650/0x650 [ 119.687660] ? apparmor_socket_sendmsg+0x1b/0x20 [ 119.692802] ? netlink_unicast+0x650/0x650 [ 119.697483] sock_sendmsg+0xb5/0xf0 [ 119.701429] ___sys_sendmsg+0x647/0x950 [ 119.705501] ? find_held_lock+0x36/0x1d0 [ 119.709564] ? copy_msghdr_from_user+0x430/0x430 [ 119.714446] ? __fget+0x278/0x400 [ 119.717886] ? kasan_check_read+0x11/0x20 [ 119.722224] ? __fget+0x295/0x400 [ 119.726034] ? expand_files.part.8+0x700/0x700 [ 119.730972] ? __f_unlock_pos+0xd/0x10 [ 119.734856] ? __fget_light+0x174/0x1e0 [ 119.738839] ? __fdget+0xe/0x10 [ 119.742211] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 119.747159] __sys_sendmsg+0xd9/0x180 [ 119.751144] ? __ia32_sys_shutdown+0x70/0x70 [ 119.755568] ? __sb_end_write+0xa4/0xd0 [ 119.759589] ? kasan_check_write+0x14/0x20 [ 119.764005] ? fput+0x18/0x120 [ 119.767195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.772559] __x64_sys_sendmsg+0x73/0xb0 [ 119.776623] do_syscall_64+0xd0/0x4e0 [ 119.780528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.785706] RIP: 0033:0x463d89 [ 119.788910] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 119.808597] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.816833] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 119.824432] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 119.831807] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 119.839332] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 119.846682] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 119.854861] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 119.879532] FAULT_INJECTION: forcing a failure. [ 119.879532] name failslab, interval 1, probability 0, space 0, times 0 [ 119.899054] CPU: 0 PID: 9193 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 119.907338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.917721] Call Trace: [ 119.920386] dump_stack+0x123/0x171 [ 119.924447] should_fail.cold.4+0x5/0xa [ 119.928415] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 119.934103] ? lock_downgrade+0x860/0x860 [ 119.938368] ? ___might_sleep+0x16b/0x270 [ 119.942723] __should_failslab+0xba/0xf0 [ 119.946893] should_failslab+0x9/0x20 [ 119.950903] kmem_cache_alloc_trace+0x2cb/0x740 [ 119.956052] ? qfq_change_class+0xa93/0x14e0 [ 119.960909] ? qfq_change_class+0xa93/0x14e0 [ 119.965499] ? __local_bh_enable_ip+0x160/0x260 [ 119.970617] qfq_change_class+0xad9/0x14e0 [ 119.975184] ? qfq_delete_class+0x2d0/0x2d0 [ 119.980207] ? nla_parse+0x197/0x280 [ 119.983918] tc_ctl_tclass+0x3e9/0xba0 [ 119.987975] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 119.993272] ? find_held_lock+0x36/0x1d0 [ 119.997485] rtnetlink_rcv_msg+0x34f/0x8f0 [ 120.001968] ? rtnetlink_put_metrics+0x490/0x490 [ 120.006863] ? find_held_lock+0x36/0x1d0 [ 120.011117] netlink_rcv_skb+0x13e/0x3d0 [ 120.016156] ? lock_downgrade+0x860/0x860 [ 120.020579] ? rtnetlink_put_metrics+0x490/0x490 [ 120.025547] ? netlink_ack+0xa70/0xa70 [ 120.029888] ? netlink_deliver_tap+0x182/0xb00 [ 120.034474] rtnetlink_rcv+0x10/0x20 [ 120.038462] netlink_unicast+0x443/0x650 [ 120.042511] ? netlink_attachskb+0x6c0/0x6c0 [ 120.046928] ? _copy_from_iter_full+0x182/0x720 [ 120.051815] ? __check_object_size+0x1ef/0x310 [ 120.056402] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 120.062026] netlink_sendmsg+0x764/0xc60 [ 120.066259] ? netlink_unicast+0x650/0x650 [ 120.070591] ? apparmor_socket_sendmsg+0x1b/0x20 [ 120.075524] ? netlink_unicast+0x650/0x650 [ 120.080289] sock_sendmsg+0xb5/0xf0 [ 120.084051] ___sys_sendmsg+0x647/0x950 [ 120.090193] ? find_held_lock+0x36/0x1d0 [ 120.094417] ? copy_msghdr_from_user+0x430/0x430 [ 120.099498] ? __fget+0x278/0x400 [ 120.103269] ? kasan_check_read+0x11/0x20 [ 120.108190] ? __fget+0x295/0x400 [ 120.111806] ? expand_files.part.8+0x700/0x700 [ 120.117604] ? __f_unlock_pos+0xd/0x10 [ 120.121570] ? __fget_light+0x174/0x1e0 [ 120.125635] ? __fdget+0xe/0x10 [ 120.129094] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 120.135012] __sys_sendmsg+0xd9/0x180 [ 120.138809] ? __ia32_sys_shutdown+0x70/0x70 [ 120.143565] ? __sb_end_write+0xa4/0xd0 [ 120.147639] ? kasan_check_write+0x14/0x20 [ 120.151984] ? fput+0x18/0x120 [ 120.155293] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.160859] __x64_sys_sendmsg+0x73/0xb0 [ 120.165095] do_syscall_64+0xd0/0x4e0 [ 120.168918] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.174285] RIP: 0033:0x463d89 [ 120.177560] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 120.197901] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.206036] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 120.213751] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 120.222187] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 120.230515] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 120.237979] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 120.253739] FAULT_INJECTION: forcing a failure. [ 120.253739] name failslab, interval 1, probability 0, space 0, times 0 [ 120.267469] CPU: 0 PID: 9207 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 120.275546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.285332] Call Trace: [ 120.288184] dump_stack+0x123/0x171 [ 120.291816] should_fail.cold.4+0x5/0xa [ 120.296096] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 120.302243] ? lock_downgrade+0x860/0x860 [ 120.306677] ? ___might_sleep+0x16b/0x270 [ 120.310821] __should_failslab+0xba/0xf0 [ 120.315055] should_failslab+0x9/0x20 [ 120.318877] kmem_cache_alloc_trace+0x2cb/0x740 [ 120.326247] ? qfq_change_class+0xa93/0x14e0 [ 120.331341] ? qfq_change_class+0xa93/0x14e0 [ 120.336349] ? __local_bh_enable_ip+0x160/0x260 [ 120.341503] qfq_change_class+0xad9/0x14e0 [ 120.346007] ? qfq_delete_class+0x2d0/0x2d0 [ 120.350863] ? nla_parse+0x197/0x280 [ 120.354983] tc_ctl_tclass+0x3e9/0xba0 [ 120.359620] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 120.365330] ? find_held_lock+0x36/0x1d0 [ 120.369586] rtnetlink_rcv_msg+0x34f/0x8f0 [ 120.374107] ? rtnetlink_put_metrics+0x490/0x490 [ 120.378999] ? find_held_lock+0x36/0x1d0 [ 120.383493] netlink_rcv_skb+0x13e/0x3d0 [ 120.387918] ? lock_downgrade+0x860/0x860 [ 120.392150] ? rtnetlink_put_metrics+0x490/0x490 [ 120.396915] ? netlink_ack+0xa70/0xa70 [ 120.400899] ? netlink_deliver_tap+0x182/0xb00 [ 120.406070] rtnetlink_rcv+0x10/0x20 [ 120.409974] netlink_unicast+0x443/0x650 [ 120.414042] ? netlink_attachskb+0x6c0/0x6c0 [ 120.418598] ? _copy_from_iter_full+0x182/0x720 [ 120.423545] ? __check_object_size+0x1ef/0x310 [ 120.428311] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 120.433936] netlink_sendmsg+0x764/0xc60 [ 120.437992] ? netlink_unicast+0x650/0x650 [ 120.442619] ? apparmor_socket_sendmsg+0x1b/0x20 [ 120.447408] ? netlink_unicast+0x650/0x650 [ 120.451917] sock_sendmsg+0xb5/0xf0 [ 120.455543] ___sys_sendmsg+0x647/0x950 [ 120.459688] ? find_held_lock+0x36/0x1d0 [ 120.463733] ? copy_msghdr_from_user+0x430/0x430 [ 120.468564] ? __fget+0x278/0x400 [ 120.472334] ? kasan_check_read+0x11/0x20 [ 120.476573] ? __fget+0x295/0x400 [ 120.480119] ? expand_files.part.8+0x700/0x700 [ 120.484870] ? __f_unlock_pos+0xd/0x10 [ 120.488841] ? __fget_light+0x174/0x1e0 [ 120.492906] ? __fdget+0xe/0x10 [ 120.496362] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 120.501737] __sys_sendmsg+0xd9/0x180 [ 120.505789] ? __ia32_sys_shutdown+0x70/0x70 [ 120.510503] ? __sb_end_write+0xa4/0xd0 [ 120.514566] ? kasan_check_write+0x14/0x20 [ 120.518984] ? fput+0x18/0x120 [ 120.522530] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.528078] __x64_sys_sendmsg+0x73/0xb0 [ 120.532134] do_syscall_64+0xd0/0x4e0 [ 120.536042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.541242] RIP: 0033:0x463d89 [ 120.544434] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 120.564386] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.572702] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 120.580434] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 120.587886] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 120.595383] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 120.603489] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 120.623991] FAULT_INJECTION: forcing a failure. [ 120.623991] name failslab, interval 1, probability 0, space 0, times 0 [ 120.653228] CPU: 1 PID: 9217 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 120.661329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.670955] Call Trace: [ 120.673811] dump_stack+0x123/0x171 [ 120.677543] should_fail.cold.4+0x5/0xa [ 120.681748] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 120.687228] ? lock_downgrade+0x860/0x860 [ 120.691967] ? ___might_sleep+0x16b/0x270 [ 120.696291] __should_failslab+0xba/0xf0 [ 120.700561] should_failslab+0x9/0x20 [ 120.704544] kmem_cache_alloc_trace+0x2cb/0x740 [ 120.709475] ? qfq_change_class+0xa93/0x14e0 [ 120.714247] ? qfq_change_class+0xa93/0x14e0 [ 120.719454] ? __local_bh_enable_ip+0x160/0x260 [ 120.725001] qfq_change_class+0xad9/0x14e0 [ 120.729799] ? qfq_delete_class+0x2d0/0x2d0 [ 120.734139] ? nla_parse+0x197/0x280 [ 120.737853] tc_ctl_tclass+0x3e9/0xba0 [ 120.741733] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 120.747259] ? find_held_lock+0x36/0x1d0 [ 120.751325] rtnetlink_rcv_msg+0x34f/0x8f0 [ 120.755935] ? rtnetlink_put_metrics+0x490/0x490 [ 120.761146] ? find_held_lock+0x36/0x1d0 [ 120.765746] netlink_rcv_skb+0x13e/0x3d0 [ 120.769811] ? lock_downgrade+0x860/0x860 [ 120.774235] ? rtnetlink_put_metrics+0x490/0x490 [ 120.779224] ? netlink_ack+0xa70/0xa70 [ 120.783325] ? netlink_deliver_tap+0x182/0xb00 [ 120.788253] rtnetlink_rcv+0x10/0x20 [ 120.792495] netlink_unicast+0x443/0x650 [ 120.796862] ? netlink_attachskb+0x6c0/0x6c0 [ 120.801355] ? _copy_from_iter_full+0x182/0x720 [ 120.806536] ? __check_object_size+0x1ef/0x310 [ 120.811684] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 120.817555] netlink_sendmsg+0x764/0xc60 [ 120.821882] ? netlink_unicast+0x650/0x650 [ 120.826356] ? apparmor_socket_sendmsg+0x1b/0x20 [ 120.831369] ? netlink_unicast+0x650/0x650 [ 120.835598] sock_sendmsg+0xb5/0xf0 [ 120.839321] ___sys_sendmsg+0x647/0x950 [ 120.843340] ? find_held_lock+0x36/0x1d0 [ 120.847698] ? copy_msghdr_from_user+0x430/0x430 [ 120.852622] ? __fget+0x278/0x400 [ 120.856685] ? kasan_check_read+0x11/0x20 [ 120.861117] ? __fget+0x295/0x400 [ 120.864669] ? expand_files.part.8+0x700/0x700 [ 120.869615] ? __f_unlock_pos+0xd/0x10 [ 120.873497] ? __fget_light+0x174/0x1e0 [ 120.877547] ? __fdget+0xe/0x10 [ 120.880909] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 120.886013] __sys_sendmsg+0xd9/0x180 [ 120.889911] ? __ia32_sys_shutdown+0x70/0x70 [ 120.894863] ? __sb_end_write+0xa4/0xd0 [ 120.899056] ? kasan_check_write+0x14/0x20 [ 120.903477] ? fput+0x18/0x120 [ 120.910394] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.915946] __x64_sys_sendmsg+0x73/0xb0 [ 120.920793] do_syscall_64+0xd0/0x4e0 [ 120.924856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.930415] RIP: 0033:0x463d89 [ 120.933713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 120.954329] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.962556] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 120.970921] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 120.979596] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 120.988102] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 120.995937] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 121.014027] FAULT_INJECTION: forcing a failure. [ 121.014027] name failslab, interval 1, probability 0, space 0, times 0 [ 121.028502] CPU: 1 PID: 9223 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 121.036936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.046911] Call Trace: [ 121.049532] dump_stack+0x123/0x171 [ 121.053282] should_fail.cold.4+0x5/0xa [ 121.057457] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 121.063225] ? lock_downgrade+0x860/0x860 [ 121.068270] ? ___might_sleep+0x16b/0x270 [ 121.073163] __should_failslab+0xba/0xf0 [ 121.077320] should_failslab+0x9/0x20 [ 121.081730] kmem_cache_alloc_trace+0x2cb/0x740 [ 121.086543] ? qfq_change_class+0xa93/0x14e0 [ 121.091130] ? qfq_change_class+0xa93/0x14e0 [ 121.095770] ? __local_bh_enable_ip+0x160/0x260 [ 121.100981] qfq_change_class+0xad9/0x14e0 [ 121.105445] ? qfq_delete_class+0x2d0/0x2d0 [ 121.110143] ? nla_parse+0x197/0x280 [ 121.114358] tc_ctl_tclass+0x3e9/0xba0 [ 121.118771] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 121.124526] ? find_held_lock+0x36/0x1d0 [ 121.129263] rtnetlink_rcv_msg+0x34f/0x8f0 [ 121.133492] ? rtnetlink_put_metrics+0x490/0x490 [ 121.138582] ? find_held_lock+0x36/0x1d0 [ 121.142914] netlink_rcv_skb+0x13e/0x3d0 [ 121.147197] ? lock_downgrade+0x860/0x860 [ 121.151884] ? rtnetlink_put_metrics+0x490/0x490 [ 121.156921] ? netlink_ack+0xa70/0xa70 [ 121.161496] ? netlink_deliver_tap+0x182/0xb00 [ 121.167143] rtnetlink_rcv+0x10/0x20 [ 121.171384] netlink_unicast+0x443/0x650 [ 121.176151] ? netlink_attachskb+0x6c0/0x6c0 [ 121.180777] ? _copy_from_iter_full+0x182/0x720 [ 121.185919] ? __check_object_size+0x1ef/0x310 [ 121.190780] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 121.196578] netlink_sendmsg+0x764/0xc60 [ 121.200640] ? netlink_unicast+0x650/0x650 [ 121.205094] ? apparmor_socket_sendmsg+0x1b/0x20 [ 121.209869] ? netlink_unicast+0x650/0x650 [ 121.214095] sock_sendmsg+0xb5/0xf0 [ 121.217732] ___sys_sendmsg+0x647/0x950 [ 121.221724] ? find_held_lock+0x36/0x1d0 [ 121.225796] ? copy_msghdr_from_user+0x430/0x430 [ 121.230630] ? __fget+0x278/0x400 [ 121.234159] ? kasan_check_read+0x11/0x20 [ 121.238565] ? __fget+0x295/0x400 [ 121.242316] ? expand_files.part.8+0x700/0x700 [ 121.246907] ? __f_unlock_pos+0xd/0x10 [ 121.250871] ? __fget_light+0x174/0x1e0 [ 121.254926] ? __fdget+0xe/0x10 [ 121.258206] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 121.263104] __sys_sendmsg+0xd9/0x180 [ 121.266892] ? __ia32_sys_shutdown+0x70/0x70 [ 121.271388] ? __sb_end_write+0xa4/0xd0 [ 121.275358] ? kasan_check_write+0x14/0x20 [ 121.279818] ? fput+0x18/0x120 [ 121.283023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.288626] __x64_sys_sendmsg+0x73/0xb0 [ 121.292874] do_syscall_64+0xd0/0x4e0 [ 121.297132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.302325] RIP: 0033:0x463d89 2021/04/24 20:07:36 executed programs: 210 [ 121.305499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 121.325046] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.332825] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 121.340180] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 121.347473] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 121.354917] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 121.363596] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 121.390014] FAULT_INJECTION: forcing a failure. [ 121.390014] name failslab, interval 1, probability 0, space 0, times 0 [ 121.409656] CPU: 0 PID: 9233 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 121.417485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.427166] Call Trace: [ 121.429985] dump_stack+0x123/0x171 [ 121.433868] should_fail.cold.4+0x5/0xa [ 121.437840] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 121.443328] ? lock_downgrade+0x860/0x860 [ 121.447978] ? ___might_sleep+0x16b/0x270 [ 121.452319] __should_failslab+0xba/0xf0 [ 121.458110] should_failslab+0x9/0x20 [ 121.462444] kmem_cache_alloc_trace+0x2cb/0x740 [ 121.467127] ? qfq_change_class+0xa93/0x14e0 [ 121.471525] ? qfq_change_class+0xa93/0x14e0 [ 121.475921] ? __local_bh_enable_ip+0x160/0x260 [ 121.480687] qfq_change_class+0xad9/0x14e0 [ 121.485241] ? qfq_delete_class+0x2d0/0x2d0 [ 121.489678] ? nla_parse+0x197/0x280 [ 121.493509] tc_ctl_tclass+0x3e9/0xba0 [ 121.497648] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 121.502826] ? find_held_lock+0x36/0x1d0 [ 121.507019] rtnetlink_rcv_msg+0x34f/0x8f0 [ 121.511372] ? rtnetlink_put_metrics+0x490/0x490 [ 121.516560] ? find_held_lock+0x36/0x1d0 [ 121.521453] netlink_rcv_skb+0x13e/0x3d0 [ 121.525940] ? lock_downgrade+0x860/0x860 [ 121.530284] ? rtnetlink_put_metrics+0x490/0x490 [ 121.535227] ? netlink_ack+0xa70/0xa70 [ 121.539203] ? netlink_deliver_tap+0x182/0xb00 [ 121.544138] rtnetlink_rcv+0x10/0x20 [ 121.548251] netlink_unicast+0x443/0x650 [ 121.552756] ? netlink_attachskb+0x6c0/0x6c0 [ 121.557387] ? _copy_from_iter_full+0x182/0x720 [ 121.562571] ? __check_object_size+0x1ef/0x310 [ 121.568516] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 121.575302] netlink_sendmsg+0x764/0xc60 [ 121.579460] ? netlink_unicast+0x650/0x650 [ 121.584142] ? apparmor_socket_sendmsg+0x1b/0x20 [ 121.588980] ? netlink_unicast+0x650/0x650 [ 121.593294] sock_sendmsg+0xb5/0xf0 [ 121.597112] ___sys_sendmsg+0x647/0x950 [ 121.601347] ? find_held_lock+0x36/0x1d0 [ 121.605782] ? copy_msghdr_from_user+0x430/0x430 [ 121.610707] ? __fget+0x278/0x400 [ 121.614473] ? kasan_check_read+0x11/0x20 [ 121.618731] ? __fget+0x295/0x400 [ 121.622199] ? expand_files.part.8+0x700/0x700 [ 121.626967] ? __f_unlock_pos+0xd/0x10 [ 121.630988] ? __fget_light+0x174/0x1e0 [ 121.634979] ? __fdget+0xe/0x10 [ 121.638247] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 121.643335] __sys_sendmsg+0xd9/0x180 [ 121.647297] ? __ia32_sys_shutdown+0x70/0x70 [ 121.651927] ? __sb_end_write+0xa4/0xd0 [ 121.656017] ? kasan_check_write+0x14/0x20 [ 121.660327] ? fput+0x18/0x120 [ 121.663505] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.669000] __x64_sys_sendmsg+0x73/0xb0 [ 121.673052] do_syscall_64+0xd0/0x4e0 [ 121.676946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.682344] RIP: 0033:0x463d89 [ 121.685563] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 121.704690] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.712407] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 121.719797] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 121.727142] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 121.734413] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 121.742031] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 121.753659] nla_parse: 4 callbacks suppressed [ 121.753664] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 121.783630] FAULT_INJECTION: forcing a failure. [ 121.783630] name failslab, interval 1, probability 0, space 0, times 0 [ 121.797950] CPU: 0 PID: 9243 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 121.806177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.816025] Call Trace: [ 121.818804] dump_stack+0x123/0x171 [ 121.822525] should_fail.cold.4+0x5/0xa [ 121.826483] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 121.831900] ? lock_downgrade+0x860/0x860 [ 121.836045] ? ___might_sleep+0x16b/0x270 [ 121.840288] __should_failslab+0xba/0xf0 [ 121.844346] should_failslab+0x9/0x20 [ 121.848174] kmem_cache_alloc_trace+0x2cb/0x740 [ 121.852826] ? qfq_change_class+0xa93/0x14e0 [ 121.857312] ? qfq_change_class+0xa93/0x14e0 [ 121.861809] ? __local_bh_enable_ip+0x160/0x260 [ 121.866640] qfq_change_class+0xad9/0x14e0 [ 121.871043] ? qfq_delete_class+0x2d0/0x2d0 [ 121.875741] ? nla_parse+0x197/0x280 [ 121.879453] tc_ctl_tclass+0x3e9/0xba0 [ 121.883699] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 121.889353] ? find_held_lock+0x36/0x1d0 [ 121.893439] rtnetlink_rcv_msg+0x34f/0x8f0 [ 121.897683] ? rtnetlink_put_metrics+0x490/0x490 [ 121.902784] ? find_held_lock+0x36/0x1d0 [ 121.906846] netlink_rcv_skb+0x13e/0x3d0 [ 121.911366] ? lock_downgrade+0x860/0x860 [ 121.915774] ? rtnetlink_put_metrics+0x490/0x490 [ 121.920634] ? netlink_ack+0xa70/0xa70 [ 121.924516] ? netlink_deliver_tap+0x182/0xb00 [ 121.929366] rtnetlink_rcv+0x10/0x20 [ 121.933166] netlink_unicast+0x443/0x650 [ 121.937228] ? netlink_attachskb+0x6c0/0x6c0 [ 121.941719] ? _copy_from_iter_full+0x182/0x720 [ 121.946467] ? __check_object_size+0x1ef/0x310 [ 121.951056] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 121.956612] netlink_sendmsg+0x764/0xc60 [ 121.960766] ? netlink_unicast+0x650/0x650 [ 121.965123] ? apparmor_socket_sendmsg+0x1b/0x20 [ 121.969878] ? netlink_unicast+0x650/0x650 [ 121.974611] sock_sendmsg+0xb5/0xf0 [ 121.978324] ___sys_sendmsg+0x647/0x950 [ 121.982613] ? find_held_lock+0x36/0x1d0 [ 121.986661] ? copy_msghdr_from_user+0x430/0x430 [ 121.991490] ? __fget+0x278/0x400 [ 121.995102] ? kasan_check_read+0x11/0x20 [ 121.999519] ? __fget+0x295/0x400 [ 122.003167] ? expand_files.part.8+0x700/0x700 [ 122.007850] ? __f_unlock_pos+0xd/0x10 [ 122.011858] ? __fget_light+0x174/0x1e0 [ 122.015912] ? __fdget+0xe/0x10 [ 122.019275] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 122.024118] __sys_sendmsg+0xd9/0x180 [ 122.028314] ? __ia32_sys_shutdown+0x70/0x70 [ 122.032738] ? __sb_end_write+0xa4/0xd0 [ 122.036799] ? kasan_check_write+0x14/0x20 [ 122.041327] ? fput+0x18/0x120 [ 122.044526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.049962] __x64_sys_sendmsg+0x73/0xb0 [ 122.054452] do_syscall_64+0xd0/0x4e0 [ 122.058268] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.063450] RIP: 0033:0x463d89 [ 122.066627] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 122.086179] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.093962] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 122.101384] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 122.108653] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 122.116306] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 122.124543] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 122.143499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 122.172202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 122.188346] FAULT_INJECTION: forcing a failure. [ 122.188346] name failslab, interval 1, probability 0, space 0, times 0 [ 122.200076] CPU: 0 PID: 9262 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 122.208260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.218086] Call Trace: [ 122.220676] dump_stack+0x123/0x171 [ 122.224318] should_fail.cold.4+0x5/0xa [ 122.228503] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 122.233941] ? lock_downgrade+0x860/0x860 [ 122.238285] ? ___might_sleep+0x16b/0x270 [ 122.242545] __should_failslab+0xba/0xf0 [ 122.246742] should_failslab+0x9/0x20 [ 122.250875] kmem_cache_alloc_trace+0x2cb/0x740 [ 122.255635] ? qfq_change_class+0xa93/0x14e0 [ 122.260090] ? qfq_change_class+0xa93/0x14e0 [ 122.264704] ? __local_bh_enable_ip+0x160/0x260 [ 122.269370] qfq_change_class+0xad9/0x14e0 [ 122.273820] ? qfq_delete_class+0x2d0/0x2d0 [ 122.278421] ? nla_parse+0x197/0x280 [ 122.282427] tc_ctl_tclass+0x3e9/0xba0 [ 122.286484] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 122.291673] ? find_held_lock+0x36/0x1d0 [ 122.295752] rtnetlink_rcv_msg+0x34f/0x8f0 [ 122.299992] ? rtnetlink_put_metrics+0x490/0x490 [ 122.304932] ? find_held_lock+0x36/0x1d0 [ 122.310050] netlink_rcv_skb+0x13e/0x3d0 [ 122.314441] ? lock_downgrade+0x860/0x860 [ 122.318855] ? rtnetlink_put_metrics+0x490/0x490 [ 122.323842] ? netlink_ack+0xa70/0xa70 [ 122.327965] ? netlink_deliver_tap+0x182/0xb00 [ 122.332540] rtnetlink_rcv+0x10/0x20 [ 122.336347] netlink_unicast+0x443/0x650 [ 122.340828] ? netlink_attachskb+0x6c0/0x6c0 [ 122.345886] ? _copy_from_iter_full+0x182/0x720 [ 122.350590] ? __check_object_size+0x1ef/0x310 [ 122.355673] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 122.362496] netlink_sendmsg+0x764/0xc60 [ 122.367280] ? netlink_unicast+0x650/0x650 [ 122.371810] ? apparmor_socket_sendmsg+0x1b/0x20 [ 122.376930] ? netlink_unicast+0x650/0x650 [ 122.381172] sock_sendmsg+0xb5/0xf0 [ 122.385064] ___sys_sendmsg+0x647/0x950 [ 122.389359] ? find_held_lock+0x36/0x1d0 [ 122.393642] ? copy_msghdr_from_user+0x430/0x430 [ 122.398682] ? __fget+0x278/0x400 [ 122.402423] ? kasan_check_read+0x11/0x20 [ 122.407105] ? __fget+0x295/0x400 [ 122.410811] ? expand_files.part.8+0x700/0x700 [ 122.415631] ? __f_unlock_pos+0xd/0x10 [ 122.419520] ? __fget_light+0x174/0x1e0 [ 122.423810] ? __fdget+0xe/0x10 [ 122.427291] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 122.432237] __sys_sendmsg+0xd9/0x180 [ 122.436299] ? __ia32_sys_shutdown+0x70/0x70 [ 122.440789] ? __sb_end_write+0xa4/0xd0 [ 122.444855] ? kasan_check_write+0x14/0x20 [ 122.449535] ? fput+0x18/0x120 [ 122.452718] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.458434] __x64_sys_sendmsg+0x73/0xb0 [ 122.462487] do_syscall_64+0xd0/0x4e0 [ 122.466477] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.471750] RIP: 0033:0x463d89 [ 122.475098] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 122.494361] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.502307] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 122.510077] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 122.517877] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 122.525599] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 122.533341] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 122.542340] FAULT_INJECTION: forcing a failure. [ 122.542340] name failslab, interval 1, probability 0, space 0, times 0 [ 122.555731] CPU: 0 PID: 9263 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 122.563807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.573557] Call Trace: [ 122.576239] dump_stack+0x123/0x171 [ 122.580056] should_fail.cold.4+0x5/0xa [ 122.584149] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 122.589367] ? lock_downgrade+0x860/0x860 [ 122.593518] ? ___might_sleep+0x16b/0x270 [ 122.597760] __should_failslab+0xba/0xf0 [ 122.601819] should_failslab+0x9/0x20 [ 122.605705] kmem_cache_alloc_trace+0x2cb/0x740 [ 122.610678] ? qfq_change_class+0xa93/0x14e0 [ 122.615182] ? qfq_change_class+0xa93/0x14e0 [ 122.619593] ? __local_bh_enable_ip+0x160/0x260 [ 122.624281] qfq_change_class+0xad9/0x14e0 [ 122.628515] ? qfq_delete_class+0x2d0/0x2d0 [ 122.633027] ? nla_parse+0x197/0x280 [ 122.636820] tc_ctl_tclass+0x3e9/0xba0 [ 122.640786] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 122.645976] ? find_held_lock+0x36/0x1d0 [ 122.650223] rtnetlink_rcv_msg+0x34f/0x8f0 [ 122.654669] ? rtnetlink_put_metrics+0x490/0x490 [ 122.659643] ? find_held_lock+0x36/0x1d0 [ 122.663885] netlink_rcv_skb+0x13e/0x3d0 [ 122.668463] ? lock_downgrade+0x860/0x860 [ 122.672695] ? rtnetlink_put_metrics+0x490/0x490 [ 122.677470] ? netlink_ack+0xa70/0xa70 [ 122.681617] ? netlink_deliver_tap+0x182/0xb00 [ 122.686467] rtnetlink_rcv+0x10/0x20 [ 122.690270] netlink_unicast+0x443/0x650 [ 122.694496] ? netlink_attachskb+0x6c0/0x6c0 [ 122.699460] ? _copy_from_iter_full+0x182/0x720 [ 122.704131] ? __check_object_size+0x1ef/0x310 [ 122.708812] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 122.714534] netlink_sendmsg+0x764/0xc60 [ 122.718813] ? netlink_unicast+0x650/0x650 [ 122.723481] ? apparmor_socket_sendmsg+0x1b/0x20 [ 122.728236] ? netlink_unicast+0x650/0x650 [ 122.732689] sock_sendmsg+0xb5/0xf0 [ 122.736561] ___sys_sendmsg+0x647/0x950 [ 122.740588] ? find_held_lock+0x36/0x1d0 [ 122.744763] ? copy_msghdr_from_user+0x430/0x430 [ 122.749682] ? __fget+0x278/0x400 [ 122.753652] ? kasan_check_read+0x11/0x20 [ 122.757805] ? __fget+0x295/0x400 [ 122.761373] ? expand_files.part.8+0x700/0x700 [ 122.766046] ? __f_unlock_pos+0xd/0x10 [ 122.770073] ? __fget_light+0x174/0x1e0 [ 122.774178] ? __fdget+0xe/0x10 [ 122.777761] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 122.782705] __sys_sendmsg+0xd9/0x180 [ 122.786765] ? __ia32_sys_shutdown+0x70/0x70 [ 122.791443] ? __sb_end_write+0xa4/0xd0 [ 122.795865] ? kasan_check_write+0x14/0x20 [ 122.800693] ? fput+0x18/0x120 [ 122.804081] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.809567] __x64_sys_sendmsg+0x73/0xb0 [ 122.813619] do_syscall_64+0xd0/0x4e0 [ 122.817407] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.822581] RIP: 0033:0x463d89 [ 122.825763] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 122.845357] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.853341] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 122.861013] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 122.869432] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 122.877265] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 122.884620] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 122.893693] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 122.909512] FAULT_INJECTION: forcing a failure. [ 122.909512] name failslab, interval 1, probability 0, space 0, times 0 [ 122.921698] CPU: 0 PID: 9273 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 122.929524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.939336] Call Trace: [ 122.942106] dump_stack+0x123/0x171 [ 122.946008] should_fail.cold.4+0x5/0xa [ 122.950418] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 122.955810] ? lock_downgrade+0x860/0x860 [ 122.960129] ? ___might_sleep+0x16b/0x270 [ 122.964842] __should_failslab+0xba/0xf0 [ 122.969104] should_failslab+0x9/0x20 [ 122.973282] kmem_cache_alloc_trace+0x2cb/0x740 [ 122.978206] ? qfq_change_class+0xa93/0x14e0 [ 122.982846] ? qfq_change_class+0xa93/0x14e0 [ 122.987347] ? __local_bh_enable_ip+0x160/0x260 [ 122.992043] qfq_change_class+0xad9/0x14e0 [ 122.996282] ? qfq_delete_class+0x2d0/0x2d0 [ 123.000693] ? nla_parse+0x197/0x280 [ 123.004507] tc_ctl_tclass+0x3e9/0xba0 [ 123.008612] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 123.014098] ? find_held_lock+0x36/0x1d0 [ 123.018488] rtnetlink_rcv_msg+0x34f/0x8f0 [ 123.023439] ? rtnetlink_put_metrics+0x490/0x490 [ 123.028896] ? find_held_lock+0x36/0x1d0 [ 123.033243] netlink_rcv_skb+0x13e/0x3d0 [ 123.037638] ? lock_downgrade+0x860/0x860 [ 123.042125] ? rtnetlink_put_metrics+0x490/0x490 [ 123.047530] ? netlink_ack+0xa70/0xa70 [ 123.051741] ? netlink_deliver_tap+0x182/0xb00 [ 123.056415] rtnetlink_rcv+0x10/0x20 [ 123.060316] netlink_unicast+0x443/0x650 [ 123.064764] ? netlink_attachskb+0x6c0/0x6c0 [ 123.069460] ? _copy_from_iter_full+0x182/0x720 [ 123.074438] ? __check_object_size+0x1ef/0x310 [ 123.079115] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 123.084744] netlink_sendmsg+0x764/0xc60 [ 123.088980] ? netlink_unicast+0x650/0x650 [ 123.093384] ? apparmor_socket_sendmsg+0x1b/0x20 [ 123.098579] ? netlink_unicast+0x650/0x650 [ 123.102902] sock_sendmsg+0xb5/0xf0 [ 123.106649] ___sys_sendmsg+0x647/0x950 [ 123.110748] ? find_held_lock+0x36/0x1d0 [ 123.115473] ? copy_msghdr_from_user+0x430/0x430 [ 123.120930] ? __fget+0x278/0x400 [ 123.124704] ? kasan_check_read+0x11/0x20 [ 123.129488] ? __fget+0x295/0x400 [ 123.133361] ? expand_files.part.8+0x700/0x700 [ 123.138030] ? __f_unlock_pos+0xd/0x10 [ 123.142141] ? __fget_light+0x174/0x1e0 [ 123.146293] ? __fdget+0xe/0x10 [ 123.150144] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 123.155005] __sys_sendmsg+0xd9/0x180 [ 123.159096] ? __ia32_sys_shutdown+0x70/0x70 [ 123.164362] ? __sb_end_write+0xa4/0xd0 [ 123.169083] ? kasan_check_write+0x14/0x20 [ 123.173439] ? fput+0x18/0x120 [ 123.176759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.182881] __x64_sys_sendmsg+0x73/0xb0 [ 123.187248] do_syscall_64+0xd0/0x4e0 [ 123.191323] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.196622] RIP: 0033:0x463d89 [ 123.199914] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 123.220474] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.228273] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 123.236510] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 123.244249] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 123.251835] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 123.259158] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 123.270722] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 123.300902] FAULT_INJECTION: forcing a failure. [ 123.300902] name failslab, interval 1, probability 0, space 0, times 0 [ 123.314895] CPU: 0 PID: 9283 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 123.323590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.333420] Call Trace: [ 123.336151] dump_stack+0x123/0x171 [ 123.340084] should_fail.cold.4+0x5/0xa [ 123.344355] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 123.349566] ? lock_downgrade+0x860/0x860 [ 123.353795] ? ___might_sleep+0x16b/0x270 [ 123.359145] __should_failslab+0xba/0xf0 [ 123.364462] should_failslab+0x9/0x20 [ 123.368559] kmem_cache_alloc_trace+0x2cb/0x740 [ 123.373222] ? qfq_change_class+0xa93/0x14e0 [ 123.377714] ? qfq_change_class+0xa93/0x14e0 [ 123.382146] ? __local_bh_enable_ip+0x160/0x260 [ 123.386949] qfq_change_class+0xad9/0x14e0 [ 123.391281] ? qfq_delete_class+0x2d0/0x2d0 [ 123.395607] ? nla_parse+0x197/0x280 [ 123.399448] tc_ctl_tclass+0x3e9/0xba0 [ 123.403491] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 123.408854] ? find_held_lock+0x36/0x1d0 [ 123.414089] rtnetlink_rcv_msg+0x34f/0x8f0 [ 123.418338] ? rtnetlink_put_metrics+0x490/0x490 [ 123.423091] ? find_held_lock+0x36/0x1d0 [ 123.427336] netlink_rcv_skb+0x13e/0x3d0 [ 123.431651] ? lock_downgrade+0x860/0x860 [ 123.435791] ? rtnetlink_put_metrics+0x490/0x490 [ 123.440681] ? netlink_ack+0xa70/0xa70 [ 123.444565] ? netlink_deliver_tap+0x182/0xb00 [ 123.449446] rtnetlink_rcv+0x10/0x20 [ 123.453154] netlink_unicast+0x443/0x650 [ 123.457216] ? netlink_attachskb+0x6c0/0x6c0 [ 123.461791] ? _copy_from_iter_full+0x182/0x720 [ 123.466533] ? __check_object_size+0x1ef/0x310 [ 123.471218] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 123.476936] netlink_sendmsg+0x764/0xc60 [ 123.481130] ? netlink_unicast+0x650/0x650 [ 123.485357] ? apparmor_socket_sendmsg+0x1b/0x20 [ 123.490099] ? netlink_unicast+0x650/0x650 [ 123.494501] sock_sendmsg+0xb5/0xf0 [ 123.498125] ___sys_sendmsg+0x647/0x950 [ 123.502358] ? find_held_lock+0x36/0x1d0 [ 123.506530] ? copy_msghdr_from_user+0x430/0x430 [ 123.512041] ? __fget+0x278/0x400 [ 123.515493] ? kasan_check_read+0x11/0x20 [ 123.519643] ? __fget+0x295/0x400 [ 123.523084] ? expand_files.part.8+0x700/0x700 [ 123.527947] ? __f_unlock_pos+0xd/0x10 [ 123.531914] ? __fget_light+0x174/0x1e0 [ 123.535886] ? __fdget+0xe/0x10 [ 123.539258] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 123.544186] __sys_sendmsg+0xd9/0x180 [ 123.547966] ? __ia32_sys_shutdown+0x70/0x70 [ 123.552485] ? __sb_end_write+0xa4/0xd0 [ 123.556449] ? kasan_check_write+0x14/0x20 [ 123.561110] ? fput+0x18/0x120 [ 123.564372] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.570135] __x64_sys_sendmsg+0x73/0xb0 [ 123.574272] do_syscall_64+0xd0/0x4e0 [ 123.578258] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.583516] RIP: 0033:0x463d89 [ 123.586709] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 123.606064] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.614039] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 123.621407] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 123.628668] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 123.635933] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 123.643465] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 123.664181] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 123.680735] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 123.703776] FAULT_INJECTION: forcing a failure. [ 123.703776] name failslab, interval 1, probability 0, space 0, times 0 [ 123.717309] CPU: 1 PID: 9305 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 123.725270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.735158] Call Trace: [ 123.737847] dump_stack+0x123/0x171 [ 123.741585] should_fail.cold.4+0x5/0xa [ 123.745553] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 123.750839] ? lock_downgrade+0x860/0x860 [ 123.755185] ? ___might_sleep+0x16b/0x270 [ 123.759569] __should_failslab+0xba/0xf0 [ 123.763824] should_failslab+0x9/0x20 [ 123.767852] kmem_cache_alloc_trace+0x2cb/0x740 [ 123.773032] ? qfq_change_class+0xa93/0x14e0 [ 123.777673] ? qfq_change_class+0xa93/0x14e0 [ 123.782741] ? __local_bh_enable_ip+0x160/0x260 [ 123.787555] qfq_change_class+0xad9/0x14e0 [ 123.791939] ? qfq_delete_class+0x2d0/0x2d0 [ 123.796635] ? nla_parse+0x197/0x280 [ 123.800425] tc_ctl_tclass+0x3e9/0xba0 [ 123.804392] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 123.809572] ? find_held_lock+0x36/0x1d0 [ 123.813659] rtnetlink_rcv_msg+0x34f/0x8f0 [ 123.818136] ? rtnetlink_put_metrics+0x490/0x490 [ 123.823243] ? find_held_lock+0x36/0x1d0 [ 123.827459] netlink_rcv_skb+0x13e/0x3d0 [ 123.831664] ? lock_downgrade+0x860/0x860 [ 123.835892] ? rtnetlink_put_metrics+0x490/0x490 [ 123.840642] ? netlink_ack+0xa70/0xa70 [ 123.845090] ? netlink_deliver_tap+0x182/0xb00 [ 123.849663] rtnetlink_rcv+0x10/0x20 [ 123.853545] netlink_unicast+0x443/0x650 [ 123.857597] ? netlink_attachskb+0x6c0/0x6c0 [ 123.862088] ? _copy_from_iter_full+0x182/0x720 [ 123.866931] ? __check_object_size+0x1ef/0x310 [ 123.871524] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 123.877158] netlink_sendmsg+0x764/0xc60 [ 123.881809] ? netlink_unicast+0x650/0x650 [ 123.886309] ? apparmor_socket_sendmsg+0x1b/0x20 [ 123.891061] ? netlink_unicast+0x650/0x650 [ 123.895513] sock_sendmsg+0xb5/0xf0 [ 123.899246] ___sys_sendmsg+0x647/0x950 [ 123.903211] ? find_held_lock+0x36/0x1d0 [ 123.907260] ? copy_msghdr_from_user+0x430/0x430 [ 123.912004] ? __fget+0x278/0x400 [ 123.915462] ? kasan_check_read+0x11/0x20 [ 123.919702] ? __fget+0x295/0x400 [ 123.923170] ? expand_files.part.8+0x700/0x700 [ 123.927853] ? __f_unlock_pos+0xd/0x10 [ 123.931912] ? __fget_light+0x174/0x1e0 [ 123.936500] ? __fdget+0xe/0x10 [ 123.939960] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 123.944795] __sys_sendmsg+0xd9/0x180 [ 123.948773] ? __ia32_sys_shutdown+0x70/0x70 [ 123.953450] ? __sb_end_write+0xa4/0xd0 [ 123.957521] ? kasan_check_write+0x14/0x20 [ 123.961843] ? fput+0x18/0x120 [ 123.965022] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.970728] __x64_sys_sendmsg+0x73/0xb0 [ 123.974778] do_syscall_64+0xd0/0x4e0 [ 123.978568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.983984] RIP: 0033:0x463d89 [ 123.987271] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 124.006350] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.014690] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 124.022398] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 124.030116] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 124.037704] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 124.045238] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 124.064495] FAULT_INJECTION: forcing a failure. [ 124.064495] name failslab, interval 1, probability 0, space 0, times 0 [ 124.077390] CPU: 0 PID: 9307 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 124.085313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.094753] Call Trace: [ 124.097365] dump_stack+0x123/0x171 [ 124.100981] should_fail.cold.4+0x5/0xa [ 124.105155] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 124.110593] ? lock_downgrade+0x860/0x860 [ 124.114722] ? ___might_sleep+0x16b/0x270 [ 124.119470] __should_failslab+0xba/0xf0 [ 124.124058] should_failslab+0x9/0x20 [ 124.128232] kmem_cache_alloc_trace+0x2cb/0x740 [ 124.132884] ? qfq_change_class+0xa93/0x14e0 [ 124.137372] ? qfq_change_class+0xa93/0x14e0 [ 124.141860] ? __local_bh_enable_ip+0x160/0x260 [ 124.146523] qfq_change_class+0xad9/0x14e0 [ 124.150755] ? qfq_delete_class+0x2d0/0x2d0 [ 124.155070] ? nla_parse+0x197/0x280 [ 124.158766] tc_ctl_tclass+0x3e9/0xba0 [ 124.162721] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 124.168345] ? find_held_lock+0x36/0x1d0 [ 124.172670] rtnetlink_rcv_msg+0x34f/0x8f0 [ 124.177003] ? rtnetlink_put_metrics+0x490/0x490 [ 124.181833] ? find_held_lock+0x36/0x1d0 [ 124.185926] netlink_rcv_skb+0x13e/0x3d0 [ 124.190249] ? lock_downgrade+0x860/0x860 [ 124.194650] ? rtnetlink_put_metrics+0x490/0x490 [ 124.199638] ? netlink_ack+0xa70/0xa70 [ 124.203715] ? netlink_deliver_tap+0x182/0xb00 [ 124.209109] rtnetlink_rcv+0x10/0x20 [ 124.212921] netlink_unicast+0x443/0x650 [ 124.217160] ? netlink_attachskb+0x6c0/0x6c0 [ 124.221939] ? _copy_from_iter_full+0x182/0x720 [ 124.226799] ? __check_object_size+0x1ef/0x310 [ 124.231580] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 124.237605] netlink_sendmsg+0x764/0xc60 [ 124.241669] ? netlink_unicast+0x650/0x650 [ 124.245943] ? apparmor_socket_sendmsg+0x1b/0x20 [ 124.250781] ? netlink_unicast+0x650/0x650 [ 124.254996] sock_sendmsg+0xb5/0xf0 [ 124.259201] ___sys_sendmsg+0x647/0x950 [ 124.263176] ? find_held_lock+0x36/0x1d0 [ 124.267226] ? copy_msghdr_from_user+0x430/0x430 [ 124.272054] ? __fget+0x278/0x400 [ 124.275512] ? kasan_check_read+0x11/0x20 [ 124.279731] ? __fget+0x295/0x400 [ 124.283167] ? expand_files.part.8+0x700/0x700 [ 124.287827] ? __f_unlock_pos+0xd/0x10 [ 124.291709] ? __fget_light+0x174/0x1e0 [ 124.295754] ? __fdget+0xe/0x10 [ 124.299026] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 124.304455] __sys_sendmsg+0xd9/0x180 [ 124.308498] ? __ia32_sys_shutdown+0x70/0x70 [ 124.313302] ? __sb_end_write+0xa4/0xd0 [ 124.317395] ? kasan_check_write+0x14/0x20 [ 124.321973] ? fput+0x18/0x120 [ 124.325352] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.330703] __x64_sys_sendmsg+0x73/0xb0 [ 124.334753] do_syscall_64+0xd0/0x4e0 [ 124.338711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.344062] RIP: 0033:0x463d89 [ 124.347240] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 124.367628] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.375768] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 124.383037] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 124.390555] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 124.398052] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 124.405473] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 124.418746] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 124.447274] FAULT_INJECTION: forcing a failure. [ 124.447274] name failslab, interval 1, probability 0, space 0, times 0 [ 124.461195] CPU: 1 PID: 9313 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 124.469191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.478730] Call Trace: [ 124.481348] dump_stack+0x123/0x171 [ 124.485006] should_fail.cold.4+0x5/0xa [ 124.488985] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 124.494481] ? lock_downgrade+0x860/0x860 [ 124.498905] ? ___might_sleep+0x16b/0x270 [ 124.503052] __should_failslab+0xba/0xf0 [ 124.507117] should_failslab+0x9/0x20 [ 124.511130] kmem_cache_alloc_trace+0x2cb/0x740 [ 124.515996] ? qfq_change_class+0xa93/0x14e0 [ 124.520483] ? qfq_change_class+0xa93/0x14e0 [ 124.525075] ? __local_bh_enable_ip+0x160/0x260 [ 124.529924] qfq_change_class+0xad9/0x14e0 [ 124.534339] ? qfq_delete_class+0x2d0/0x2d0 [ 124.538759] ? nla_parse+0x197/0x280 [ 124.542484] tc_ctl_tclass+0x3e9/0xba0 [ 124.546380] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 124.551474] ? find_held_lock+0x36/0x1d0 [ 124.555535] rtnetlink_rcv_msg+0x34f/0x8f0 [ 124.560145] ? rtnetlink_put_metrics+0x490/0x490 [ 124.565542] ? find_held_lock+0x36/0x1d0 [ 124.569719] netlink_rcv_skb+0x13e/0x3d0 [ 124.573776] ? lock_downgrade+0x860/0x860 [ 124.578212] ? rtnetlink_put_metrics+0x490/0x490 [ 124.583058] ? netlink_ack+0xa70/0xa70 [ 124.587335] ? netlink_deliver_tap+0x182/0xb00 [ 124.592342] rtnetlink_rcv+0x10/0x20 [ 124.596377] netlink_unicast+0x443/0x650 [ 124.600881] ? netlink_attachskb+0x6c0/0x6c0 [ 124.605549] ? _copy_from_iter_full+0x182/0x720 [ 124.610590] ? __check_object_size+0x1ef/0x310 [ 124.615847] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 124.621741] netlink_sendmsg+0x764/0xc60 [ 124.625955] ? netlink_unicast+0x650/0x650 [ 124.630371] ? apparmor_socket_sendmsg+0x1b/0x20 [ 124.635129] ? netlink_unicast+0x650/0x650 [ 124.639642] sock_sendmsg+0xb5/0xf0 [ 124.643362] ___sys_sendmsg+0x647/0x950 [ 124.647663] ? find_held_lock+0x36/0x1d0 [ 124.652008] ? copy_msghdr_from_user+0x430/0x430 [ 124.656844] ? __fget+0x278/0x400 [ 124.660538] ? kasan_check_read+0x11/0x20 [ 124.664700] ? __fget+0x295/0x400 [ 124.668274] ? expand_files.part.8+0x700/0x700 [ 124.672953] ? __f_unlock_pos+0xd/0x10 [ 124.677107] ? __fget_light+0x174/0x1e0 [ 124.681162] ? __fdget+0xe/0x10 [ 124.684830] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 124.691929] __sys_sendmsg+0xd9/0x180 [ 124.696036] ? __ia32_sys_shutdown+0x70/0x70 [ 124.700639] ? __sb_end_write+0xa4/0xd0 [ 124.705633] ? kasan_check_write+0x14/0x20 [ 124.709970] ? fput+0x18/0x120 [ 124.713292] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.719108] __x64_sys_sendmsg+0x73/0xb0 [ 124.723566] do_syscall_64+0xd0/0x4e0 [ 124.727572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.733081] RIP: 0033:0x463d89 [ 124.736806] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 124.759619] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.767683] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 124.775689] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 124.782967] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 124.790490] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 124.798623] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 124.807919] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 124.827488] FAULT_INJECTION: forcing a failure. [ 124.827488] name failslab, interval 1, probability 0, space 0, times 0 [ 124.848551] CPU: 1 PID: 9323 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 124.856589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.866341] Call Trace: [ 124.869191] dump_stack+0x123/0x171 [ 124.872937] should_fail.cold.4+0x5/0xa [ 124.876915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 124.882373] ? lock_downgrade+0x860/0x860 [ 124.886521] ? ___might_sleep+0x16b/0x270 [ 124.891122] __should_failslab+0xba/0xf0 [ 124.895584] should_failslab+0x9/0x20 [ 124.899729] kmem_cache_alloc_trace+0x2cb/0x740 [ 124.904531] ? qfq_change_class+0xa93/0x14e0 [ 124.909129] ? qfq_change_class+0xa93/0x14e0 [ 124.914015] ? __local_bh_enable_ip+0x160/0x260 [ 124.918934] qfq_change_class+0xad9/0x14e0 [ 124.923329] ? qfq_delete_class+0x2d0/0x2d0 [ 124.927999] ? nla_parse+0x197/0x280 [ 124.931827] tc_ctl_tclass+0x3e9/0xba0 [ 124.936143] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 124.941414] ? find_held_lock+0x36/0x1d0 [ 124.945573] rtnetlink_rcv_msg+0x34f/0x8f0 [ 124.949826] ? rtnetlink_put_metrics+0x490/0x490 [ 124.954995] ? find_held_lock+0x36/0x1d0 [ 124.959284] netlink_rcv_skb+0x13e/0x3d0 [ 124.963454] ? lock_downgrade+0x860/0x860 [ 124.967886] ? rtnetlink_put_metrics+0x490/0x490 [ 124.973135] ? netlink_ack+0xa70/0xa70 [ 124.977110] ? netlink_deliver_tap+0x182/0xb00 [ 124.981843] rtnetlink_rcv+0x10/0x20 [ 124.985906] netlink_unicast+0x443/0x650 [ 124.990653] ? netlink_attachskb+0x6c0/0x6c0 [ 124.995402] ? _copy_from_iter_full+0x182/0x720 [ 125.000369] ? __check_object_size+0x1ef/0x310 [ 125.005250] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 125.011310] netlink_sendmsg+0x764/0xc60 [ 125.015942] ? netlink_unicast+0x650/0x650 [ 125.020442] ? apparmor_socket_sendmsg+0x1b/0x20 [ 125.025845] ? netlink_unicast+0x650/0x650 [ 125.030273] sock_sendmsg+0xb5/0xf0 [ 125.034111] ___sys_sendmsg+0x647/0x950 [ 125.038426] ? find_held_lock+0x36/0x1d0 [ 125.042667] ? copy_msghdr_from_user+0x430/0x430 [ 125.047651] ? __fget+0x278/0x400 [ 125.051316] ? kasan_check_read+0x11/0x20 [ 125.055718] ? __fget+0x295/0x400 [ 125.059153] ? expand_files.part.8+0x700/0x700 [ 125.063957] ? __f_unlock_pos+0xd/0x10 [ 125.067831] ? __fget_light+0x174/0x1e0 [ 125.071816] ? __fdget+0xe/0x10 [ 125.075182] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 125.080096] __sys_sendmsg+0xd9/0x180 [ 125.084111] ? __ia32_sys_shutdown+0x70/0x70 [ 125.088617] ? __sb_end_write+0xa4/0xd0 [ 125.092594] ? kasan_check_write+0x14/0x20 [ 125.097153] ? fput+0x18/0x120 [ 125.100795] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.106364] __x64_sys_sendmsg+0x73/0xb0 [ 125.110736] do_syscall_64+0xd0/0x4e0 [ 125.114844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.120163] RIP: 0033:0x463d89 [ 125.123462] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.143397] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.151353] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 125.159035] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 125.166606] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 125.174496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 125.182717] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 125.195524] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 125.224912] FAULT_INJECTION: forcing a failure. [ 125.224912] name failslab, interval 1, probability 0, space 0, times 0 [ 125.236738] CPU: 0 PID: 9341 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 125.244744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.254336] Call Trace: [ 125.257029] dump_stack+0x123/0x171 [ 125.260691] should_fail.cold.4+0x5/0xa [ 125.264657] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 125.269965] ? lock_downgrade+0x860/0x860 [ 125.274112] ? ___might_sleep+0x16b/0x270 [ 125.278415] __should_failslab+0xba/0xf0 [ 125.282757] should_failslab+0x9/0x20 [ 125.286558] kmem_cache_alloc_trace+0x2cb/0x740 [ 125.291221] ? qfq_change_class+0xa93/0x14e0 [ 125.295737] ? qfq_change_class+0xa93/0x14e0 [ 125.300145] ? __local_bh_enable_ip+0x160/0x260 [ 125.304829] qfq_change_class+0xad9/0x14e0 [ 125.309070] ? qfq_delete_class+0x2d0/0x2d0 [ 125.313824] ? nla_parse+0x197/0x280 [ 125.317757] tc_ctl_tclass+0x3e9/0xba0 [ 125.321802] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 125.327747] ? find_held_lock+0x36/0x1d0 [ 125.331811] rtnetlink_rcv_msg+0x34f/0x8f0 [ 125.336100] ? rtnetlink_put_metrics+0x490/0x490 [ 125.341075] ? find_held_lock+0x36/0x1d0 [ 125.345153] netlink_rcv_skb+0x13e/0x3d0 [ 125.349319] ? lock_downgrade+0x860/0x860 [ 125.353752] ? rtnetlink_put_metrics+0x490/0x490 [ 125.360466] ? netlink_ack+0xa70/0xa70 [ 125.364620] ? netlink_deliver_tap+0x182/0xb00 [ 125.369598] rtnetlink_rcv+0x10/0x20 [ 125.373588] netlink_unicast+0x443/0x650 [ 125.377744] ? netlink_attachskb+0x6c0/0x6c0 [ 125.382511] ? _copy_from_iter_full+0x182/0x720 [ 125.387542] ? __check_object_size+0x1ef/0x310 [ 125.392455] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 125.398311] netlink_sendmsg+0x764/0xc60 [ 125.402917] ? netlink_unicast+0x650/0x650 [ 125.407828] ? apparmor_socket_sendmsg+0x1b/0x20 [ 125.412936] ? netlink_unicast+0x650/0x650 [ 125.417345] sock_sendmsg+0xb5/0xf0 [ 125.421534] ___sys_sendmsg+0x647/0x950 [ 125.425778] ? find_held_lock+0x36/0x1d0 [ 125.430233] ? copy_msghdr_from_user+0x430/0x430 [ 125.435816] ? __fget+0x278/0x400 [ 125.439682] ? kasan_check_read+0x11/0x20 [ 125.444475] ? __fget+0x295/0x400 [ 125.447922] ? expand_files.part.8+0x700/0x700 [ 125.452583] ? __f_unlock_pos+0xd/0x10 [ 125.456680] ? __fget_light+0x174/0x1e0 [ 125.460943] ? __fdget+0xe/0x10 [ 125.464824] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 125.469690] __sys_sendmsg+0xd9/0x180 [ 125.473628] ? __ia32_sys_shutdown+0x70/0x70 [ 125.478046] ? __sb_end_write+0xa4/0xd0 [ 125.482454] ? kasan_check_write+0x14/0x20 [ 125.486769] ? fput+0x18/0x120 [ 125.490040] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.495622] __x64_sys_sendmsg+0x73/0xb0 [ 125.500223] do_syscall_64+0xd0/0x4e0 [ 125.504144] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.509572] RIP: 0033:0x463d89 [ 125.512777] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.532468] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.541037] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 125.548908] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 125.556453] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 125.564104] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 125.571381] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 125.587083] FAULT_INJECTION: forcing a failure. [ 125.587083] name failslab, interval 1, probability 0, space 0, times 0 [ 125.608850] CPU: 0 PID: 9347 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 125.616935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.626809] Call Trace: [ 125.629570] dump_stack+0x123/0x171 [ 125.633388] should_fail.cold.4+0x5/0xa [ 125.637527] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 125.642888] ? lock_downgrade+0x860/0x860 [ 125.647251] ? ___might_sleep+0x16b/0x270 [ 125.651568] __should_failslab+0xba/0xf0 [ 125.655714] should_failslab+0x9/0x20 [ 125.659523] kmem_cache_alloc_trace+0x2cb/0x740 [ 125.664280] ? qfq_change_class+0xa93/0x14e0 [ 125.668677] ? qfq_change_class+0xa93/0x14e0 [ 125.673254] ? __local_bh_enable_ip+0x160/0x260 [ 125.678054] qfq_change_class+0xad9/0x14e0 [ 125.682297] ? qfq_delete_class+0x2d0/0x2d0 [ 125.686707] ? nla_parse+0x197/0x280 [ 125.690528] tc_ctl_tclass+0x3e9/0xba0 [ 125.694406] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 125.699700] ? find_held_lock+0x36/0x1d0 [ 125.703762] rtnetlink_rcv_msg+0x34f/0x8f0 [ 125.708240] ? rtnetlink_put_metrics+0x490/0x490 [ 125.712993] ? find_held_lock+0x36/0x1d0 [ 125.717073] netlink_rcv_skb+0x13e/0x3d0 [ 125.721243] ? lock_downgrade+0x860/0x860 [ 125.725513] ? rtnetlink_put_metrics+0x490/0x490 [ 125.730714] ? netlink_ack+0xa70/0xa70 [ 125.734603] ? netlink_deliver_tap+0x182/0xb00 [ 125.739608] rtnetlink_rcv+0x10/0x20 [ 125.743401] netlink_unicast+0x443/0x650 [ 125.747466] ? netlink_attachskb+0x6c0/0x6c0 [ 125.751951] ? _copy_from_iter_full+0x182/0x720 [ 125.756801] ? __check_object_size+0x1ef/0x310 [ 125.761648] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 125.767363] netlink_sendmsg+0x764/0xc60 [ 125.771603] ? netlink_unicast+0x650/0x650 [ 125.775919] ? apparmor_socket_sendmsg+0x1b/0x20 [ 125.780985] ? netlink_unicast+0x650/0x650 [ 125.785308] sock_sendmsg+0xb5/0xf0 [ 125.789133] ___sys_sendmsg+0x647/0x950 [ 125.793730] ? find_held_lock+0x36/0x1d0 [ 125.797990] ? copy_msghdr_from_user+0x430/0x430 [ 125.802795] ? __fget+0x278/0x400 [ 125.806600] ? kasan_check_read+0x11/0x20 [ 125.810886] ? __fget+0x295/0x400 [ 125.814349] ? expand_files.part.8+0x700/0x700 [ 125.818932] ? __f_unlock_pos+0xd/0x10 [ 125.822821] ? __fget_light+0x174/0x1e0 [ 125.827174] ? __fdget+0xe/0x10 [ 125.830686] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 125.835723] __sys_sendmsg+0xd9/0x180 [ 125.839897] ? __ia32_sys_shutdown+0x70/0x70 [ 125.844305] ? __sb_end_write+0xa4/0xd0 [ 125.848508] ? kasan_check_write+0x14/0x20 [ 125.852971] ? fput+0x18/0x120 [ 125.856248] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.862083] __x64_sys_sendmsg+0x73/0xb0 [ 125.866523] do_syscall_64+0xd0/0x4e0 [ 125.871071] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.877366] RIP: 0033:0x463d89 [ 125.885054] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.906916] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.915591] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 125.922950] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 125.930526] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 125.938085] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 125.945721] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 125.977009] FAULT_INJECTION: forcing a failure. [ 125.977009] name failslab, interval 1, probability 0, space 0, times 0 [ 125.997140] CPU: 0 PID: 9361 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 126.005285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.015063] Call Trace: [ 126.017948] dump_stack+0x123/0x171 [ 126.021656] should_fail.cold.4+0x5/0xa [ 126.025799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 126.031082] ? lock_downgrade+0x860/0x860 [ 126.035325] ? ___might_sleep+0x16b/0x270 [ 126.040250] __should_failslab+0xba/0xf0 [ 126.044309] should_failslab+0x9/0x20 [ 126.048105] kmem_cache_alloc_trace+0x2cb/0x740 [ 126.052867] ? qfq_change_class+0xa93/0x14e0 [ 126.057263] ? qfq_change_class+0xa93/0x14e0 [ 126.061838] ? __local_bh_enable_ip+0x160/0x260 [ 126.066507] qfq_change_class+0xad9/0x14e0 [ 126.071097] ? qfq_delete_class+0x2d0/0x2d0 [ 126.075426] ? nla_parse+0x197/0x280 [ 126.079146] tc_ctl_tclass+0x3e9/0xba0 [ 126.083269] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 126.088827] ? find_held_lock+0x36/0x1d0 [ 126.093069] rtnetlink_rcv_msg+0x34f/0x8f0 [ 126.097568] ? rtnetlink_put_metrics+0x490/0x490 [ 126.102507] ? find_held_lock+0x36/0x1d0 [ 126.106577] netlink_rcv_skb+0x13e/0x3d0 [ 126.110841] ? lock_downgrade+0x860/0x860 [ 126.115259] ? rtnetlink_put_metrics+0x490/0x490 [ 126.120540] ? netlink_ack+0xa70/0xa70 [ 126.125544] ? netlink_deliver_tap+0x182/0xb00 [ 126.130678] rtnetlink_rcv+0x10/0x20 [ 126.134788] netlink_unicast+0x443/0x650 [ 126.139248] ? netlink_attachskb+0x6c0/0x6c0 [ 126.144356] ? _copy_from_iter_full+0x182/0x720 [ 126.149369] ? __check_object_size+0x1ef/0x310 [ 126.154054] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 126.159962] netlink_sendmsg+0x764/0xc60 [ 126.164489] ? netlink_unicast+0x650/0x650 [ 126.169403] ? apparmor_socket_sendmsg+0x1b/0x20 [ 126.174467] ? netlink_unicast+0x650/0x650 [ 126.179238] sock_sendmsg+0xb5/0xf0 [ 126.183891] ___sys_sendmsg+0x647/0x950 [ 126.188222] ? find_held_lock+0x36/0x1d0 [ 126.192909] ? copy_msghdr_from_user+0x430/0x430 [ 126.197967] ? __fget+0x278/0x400 [ 126.201406] ? kasan_check_read+0x11/0x20 [ 126.205552] ? __fget+0x295/0x400 [ 126.209109] ? expand_files.part.8+0x700/0x700 [ 126.213789] ? __f_unlock_pos+0xd/0x10 [ 126.218075] ? __fget_light+0x174/0x1e0 [ 126.222054] ? __fdget+0xe/0x10 [ 126.225445] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 126.230299] __sys_sendmsg+0xd9/0x180 [ 126.234381] ? __ia32_sys_shutdown+0x70/0x70 [ 126.238989] ? __sb_end_write+0xa4/0xd0 [ 126.242948] ? kasan_check_write+0x14/0x20 [ 126.247170] ? fput+0x18/0x120 [ 126.250675] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.256490] __x64_sys_sendmsg+0x73/0xb0 [ 126.260896] do_syscall_64+0xd0/0x4e0 [ 126.264891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.270103] RIP: 0033:0x463d89 [ 126.273927] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 126.293335] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.301301] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 126.309018] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 126.317067] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 126.324985] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 126.332527] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 126.356042] FAULT_INJECTION: forcing a failure. [ 126.356042] name failslab, interval 1, probability 0, space 0, times 0 [ 126.381013] CPU: 0 PID: 9372 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 126.388931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.399294] Call Trace: [ 126.402171] dump_stack+0x123/0x171 [ 126.405824] should_fail.cold.4+0x5/0xa [ 126.410184] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 126.415524] ? lock_downgrade+0x860/0x860 [ 126.419989] ? ___might_sleep+0x16b/0x270 [ 126.424523] __should_failslab+0xba/0xf0 [ 126.428913] should_failslab+0x9/0x20 [ 126.432756] kmem_cache_alloc_trace+0x2cb/0x740 [ 126.438075] ? qfq_change_class+0xa93/0x14e0 [ 126.443134] ? qfq_change_class+0xa93/0x14e0 [ 126.447958] ? __local_bh_enable_ip+0x160/0x260 [ 126.453241] qfq_change_class+0xad9/0x14e0 [ 126.457571] ? qfq_delete_class+0x2d0/0x2d0 [ 126.462000] ? nla_parse+0x197/0x280 [ 126.466001] tc_ctl_tclass+0x3e9/0xba0 [ 126.470378] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 126.475847] ? find_held_lock+0x36/0x1d0 [ 126.480536] rtnetlink_rcv_msg+0x34f/0x8f0 [ 126.485036] ? rtnetlink_put_metrics+0x490/0x490 [ 126.489884] ? find_held_lock+0x36/0x1d0 [ 126.494155] netlink_rcv_skb+0x13e/0x3d0 [ 126.498303] ? lock_downgrade+0x860/0x860 [ 126.503052] ? rtnetlink_put_metrics+0x490/0x490 [ 126.508069] ? netlink_ack+0xa70/0xa70 [ 126.511949] ? netlink_deliver_tap+0x182/0xb00 [ 126.517036] rtnetlink_rcv+0x10/0x20 [ 126.521053] netlink_unicast+0x443/0x650 [ 126.525519] ? netlink_attachskb+0x6c0/0x6c0 [ 126.530008] ? _copy_from_iter_full+0x182/0x720 [ 126.535167] ? __check_object_size+0x1ef/0x310 [ 126.540023] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 126.545779] netlink_sendmsg+0x764/0xc60 [ 126.550185] ? netlink_unicast+0x650/0x650 [ 126.554812] ? apparmor_socket_sendmsg+0x1b/0x20 [ 126.559662] ? netlink_unicast+0x650/0x650 [ 126.564944] sock_sendmsg+0xb5/0xf0 [ 126.569483] ___sys_sendmsg+0x647/0x950 [ 126.573720] ? find_held_lock+0x36/0x1d0 [ 126.578117] ? copy_msghdr_from_user+0x430/0x430 [ 126.582981] ? __fget+0x278/0x400 [ 126.586431] ? kasan_check_read+0x11/0x20 [ 126.590866] ? __fget+0x295/0x400 [ 126.594656] ? expand_files.part.8+0x700/0x700 [ 126.599268] ? __f_unlock_pos+0xd/0x10 [ 126.603394] ? __fget_light+0x174/0x1e0 [ 126.607467] ? __fdget+0xe/0x10 [ 126.611005] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 126.616020] __sys_sendmsg+0xd9/0x180 [ 126.619994] ? __ia32_sys_shutdown+0x70/0x70 [ 126.624841] ? __sb_end_write+0xa4/0xd0 [ 126.628976] ? kasan_check_write+0x14/0x20 [ 126.633318] ? fput+0x18/0x120 [ 126.636592] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.642059] __x64_sys_sendmsg+0x73/0xb0 [ 126.646203] do_syscall_64+0xd0/0x4e0 [ 126.650123] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.655438] RIP: 0033:0x463d89 [ 126.659265] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 126.678570] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.686478] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 126.693745] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 126.701285] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 126.708551] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 126.716098] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 126.725171] FAULT_INJECTION: forcing a failure. [ 126.725171] name failslab, interval 1, probability 0, space 0, times 0 [ 126.738648] CPU: 0 PID: 9373 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 126.746807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2021/04/24 20:07:41 executed programs: 224 [ 126.756464] Call Trace: [ 126.759146] dump_stack+0x123/0x171 [ 126.763222] should_fail.cold.4+0x5/0xa [ 126.767401] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 126.772863] ? lock_downgrade+0x860/0x860 [ 126.777121] ? ___might_sleep+0x16b/0x270 [ 126.781475] __should_failslab+0xba/0xf0 [ 126.785841] should_failslab+0x9/0x20 [ 126.789739] kmem_cache_alloc_trace+0x2cb/0x740 [ 126.794994] ? qfq_change_class+0xa93/0x14e0 [ 126.799518] ? qfq_change_class+0xa93/0x14e0 [ 126.804412] ? __local_bh_enable_ip+0x160/0x260 [ 126.809156] qfq_change_class+0xad9/0x14e0 [ 126.813651] ? qfq_delete_class+0x2d0/0x2d0 [ 126.818056] ? nla_parse+0x197/0x280 [ 126.822163] tc_ctl_tclass+0x3e9/0xba0 [ 126.826429] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 126.833273] ? find_held_lock+0x36/0x1d0 [ 126.837446] rtnetlink_rcv_msg+0x34f/0x8f0 [ 126.841895] ? rtnetlink_put_metrics+0x490/0x490 [ 126.846761] ? find_held_lock+0x36/0x1d0 [ 126.851011] netlink_rcv_skb+0x13e/0x3d0 [ 126.855251] ? lock_downgrade+0x860/0x860 [ 126.859636] ? rtnetlink_put_metrics+0x490/0x490 [ 126.864493] ? netlink_ack+0xa70/0xa70 [ 126.868752] ? netlink_deliver_tap+0x182/0xb00 [ 126.873632] rtnetlink_rcv+0x10/0x20 [ 126.877429] netlink_unicast+0x443/0x650 [ 126.881761] ? netlink_attachskb+0x6c0/0x6c0 [ 126.886399] ? _copy_from_iter_full+0x182/0x720 [ 126.891189] ? __check_object_size+0x1ef/0x310 [ 126.896112] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 126.901738] netlink_sendmsg+0x764/0xc60 [ 126.905795] ? netlink_unicast+0x650/0x650 [ 126.911078] ? apparmor_socket_sendmsg+0x1b/0x20 [ 126.915842] ? netlink_unicast+0x650/0x650 [ 126.920362] sock_sendmsg+0xb5/0xf0 [ 126.924156] ___sys_sendmsg+0x647/0x950 [ 126.928227] ? find_held_lock+0x36/0x1d0 [ 126.932909] ? copy_msghdr_from_user+0x430/0x430 [ 126.938164] ? __fget+0x278/0x400 [ 126.942467] ? kasan_check_read+0x11/0x20 [ 126.946889] ? __fget+0x295/0x400 [ 126.950442] ? expand_files.part.8+0x700/0x700 [ 126.955119] ? __f_unlock_pos+0xd/0x10 [ 126.959374] ? __fget_light+0x174/0x1e0 [ 126.964295] ? __fdget+0xe/0x10 [ 126.967790] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 126.972627] __sys_sendmsg+0xd9/0x180 [ 126.976521] ? __ia32_sys_shutdown+0x70/0x70 [ 126.982757] ? __sb_end_write+0xa4/0xd0 [ 126.986754] ? kasan_check_write+0x14/0x20 [ 126.991169] ? fput+0x18/0x120 [ 126.994918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.000555] __x64_sys_sendmsg+0x73/0xb0 [ 127.004727] do_syscall_64+0xd0/0x4e0 [ 127.008684] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.014357] RIP: 0033:0x463d89 [ 127.017635] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 127.037419] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.045701] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 127.053232] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 127.060628] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 127.068060] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 127.075411] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 127.086524] nla_parse: 4 callbacks suppressed [ 127.086528] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 127.116696] FAULT_INJECTION: forcing a failure. [ 127.116696] name failslab, interval 1, probability 0, space 0, times 0 [ 127.131672] CPU: 0 PID: 9383 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 127.139575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.149902] Call Trace: [ 127.152502] dump_stack+0x123/0x171 [ 127.156756] should_fail.cold.4+0x5/0xa [ 127.161168] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 127.166919] ? lock_downgrade+0x860/0x860 [ 127.171201] ? ___might_sleep+0x16b/0x270 [ 127.175346] __should_failslab+0xba/0xf0 [ 127.179602] should_failslab+0x9/0x20 [ 127.183608] kmem_cache_alloc_trace+0x2cb/0x740 [ 127.188968] ? qfq_change_class+0xa93/0x14e0 [ 127.193914] ? qfq_change_class+0xa93/0x14e0 [ 127.198780] ? __local_bh_enable_ip+0x160/0x260 [ 127.204016] qfq_change_class+0xad9/0x14e0 [ 127.209611] ? qfq_delete_class+0x2d0/0x2d0 [ 127.213939] ? nla_parse+0x197/0x280 [ 127.217650] tc_ctl_tclass+0x3e9/0xba0 [ 127.221761] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 127.226875] ? find_held_lock+0x36/0x1d0 [ 127.231698] rtnetlink_rcv_msg+0x34f/0x8f0 [ 127.236202] ? rtnetlink_put_metrics+0x490/0x490 [ 127.241337] ? find_held_lock+0x36/0x1d0 [ 127.245402] netlink_rcv_skb+0x13e/0x3d0 [ 127.249937] ? lock_downgrade+0x860/0x860 [ 127.254757] ? rtnetlink_put_metrics+0x490/0x490 [ 127.259754] ? netlink_ack+0xa70/0xa70 [ 127.263890] ? netlink_deliver_tap+0x182/0xb00 [ 127.268837] rtnetlink_rcv+0x10/0x20 [ 127.272829] netlink_unicast+0x443/0x650 [ 127.277185] ? netlink_attachskb+0x6c0/0x6c0 [ 127.281819] ? _copy_from_iter_full+0x182/0x720 [ 127.286632] ? __check_object_size+0x1ef/0x310 [ 127.291300] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 127.296918] netlink_sendmsg+0x764/0xc60 [ 127.301057] ? netlink_unicast+0x650/0x650 [ 127.305404] ? apparmor_socket_sendmsg+0x1b/0x20 [ 127.310233] ? netlink_unicast+0x650/0x650 [ 127.314457] sock_sendmsg+0xb5/0xf0 [ 127.318083] ___sys_sendmsg+0x647/0x950 [ 127.322319] ? find_held_lock+0x36/0x1d0 [ 127.326721] ? copy_msghdr_from_user+0x430/0x430 [ 127.331643] ? __fget+0x278/0x400 [ 127.335096] ? kasan_check_read+0x11/0x20 [ 127.339336] ? __fget+0x295/0x400 [ 127.342798] ? expand_files.part.8+0x700/0x700 [ 127.347782] ? __f_unlock_pos+0xd/0x10 [ 127.351659] ? __fget_light+0x174/0x1e0 [ 127.355792] ? __fdget+0xe/0x10 [ 127.361315] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 127.366858] __sys_sendmsg+0xd9/0x180 [ 127.370821] ? __ia32_sys_shutdown+0x70/0x70 [ 127.375246] ? __sb_end_write+0xa4/0xd0 [ 127.379340] ? kasan_check_write+0x14/0x20 [ 127.383796] ? fput+0x18/0x120 [ 127.387097] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.392713] __x64_sys_sendmsg+0x73/0xb0 [ 127.396786] do_syscall_64+0xd0/0x4e0 [ 127.400575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.405917] RIP: 0033:0x463d89 [ 127.409101] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 127.429602] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.437948] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 127.445589] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 127.453026] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 127.460505] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 127.468148] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 127.478487] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 127.504835] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 127.528671] FAULT_INJECTION: forcing a failure. [ 127.528671] name failslab, interval 1, probability 0, space 0, times 0 [ 127.541743] CPU: 1 PID: 9406 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 127.549891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.559348] Call Trace: [ 127.562026] dump_stack+0x123/0x171 [ 127.565818] should_fail.cold.4+0x5/0xa [ 127.569781] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 127.574963] ? lock_downgrade+0x860/0x860 [ 127.579216] ? ___might_sleep+0x16b/0x270 [ 127.583661] __should_failslab+0xba/0xf0 [ 127.587997] should_failslab+0x9/0x20 [ 127.592083] kmem_cache_alloc_trace+0x2cb/0x740 [ 127.596749] ? qfq_change_class+0xa93/0x14e0 [ 127.601140] ? qfq_change_class+0xa93/0x14e0 [ 127.605556] ? __local_bh_enable_ip+0x160/0x260 [ 127.610215] qfq_change_class+0xad9/0x14e0 [ 127.614813] ? qfq_delete_class+0x2d0/0x2d0 [ 127.619567] ? nla_parse+0x197/0x280 [ 127.623269] tc_ctl_tclass+0x3e9/0xba0 [ 127.627354] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 127.632906] ? find_held_lock+0x36/0x1d0 [ 127.637058] rtnetlink_rcv_msg+0x34f/0x8f0 [ 127.641371] ? rtnetlink_put_metrics+0x490/0x490 [ 127.646298] ? find_held_lock+0x36/0x1d0 [ 127.650462] netlink_rcv_skb+0x13e/0x3d0 [ 127.654942] ? lock_downgrade+0x860/0x860 [ 127.659091] ? rtnetlink_put_metrics+0x490/0x490 [ 127.664049] ? netlink_ack+0xa70/0xa70 [ 127.667937] ? netlink_deliver_tap+0x182/0xb00 [ 127.672511] rtnetlink_rcv+0x10/0x20 [ 127.676328] netlink_unicast+0x443/0x650 [ 127.680515] ? netlink_attachskb+0x6c0/0x6c0 [ 127.684916] ? _copy_from_iter_full+0x182/0x720 [ 127.689661] ? __check_object_size+0x1ef/0x310 [ 127.694234] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 127.700161] netlink_sendmsg+0x764/0xc60 [ 127.704728] ? netlink_unicast+0x650/0x650 [ 127.709052] ? apparmor_socket_sendmsg+0x1b/0x20 [ 127.714154] ? netlink_unicast+0x650/0x650 [ 127.718606] sock_sendmsg+0xb5/0xf0 [ 127.722277] ___sys_sendmsg+0x647/0x950 [ 127.726610] ? find_held_lock+0x36/0x1d0 [ 127.730657] ? copy_msghdr_from_user+0x430/0x430 [ 127.735682] ? __fget+0x278/0x400 [ 127.739149] ? kasan_check_read+0x11/0x20 [ 127.743654] ? __fget+0x295/0x400 [ 127.747115] ? expand_files.part.8+0x700/0x700 [ 127.752256] ? __f_unlock_pos+0xd/0x10 [ 127.756157] ? __fget_light+0x174/0x1e0 [ 127.760583] ? __fdget+0xe/0x10 [ 127.764050] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 127.768976] __sys_sendmsg+0xd9/0x180 [ 127.772962] ? __ia32_sys_shutdown+0x70/0x70 [ 127.777402] ? __sb_end_write+0xa4/0xd0 [ 127.781716] ? kasan_check_write+0x14/0x20 [ 127.785975] ? fput+0x18/0x120 [ 127.789305] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.794681] __x64_sys_sendmsg+0x73/0xb0 [ 127.798978] do_syscall_64+0xd0/0x4e0 [ 127.802968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.808367] RIP: 0033:0x463d89 [ 127.811543] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 127.831575] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.839395] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 127.846745] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 127.854445] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 127.861807] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 127.869772] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 127.884614] FAULT_INJECTION: forcing a failure. [ 127.884614] name failslab, interval 1, probability 0, space 0, times 0 [ 127.900915] CPU: 1 PID: 9407 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 127.908733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.918293] Call Trace: [ 127.920911] dump_stack+0x123/0x171 [ 127.924748] should_fail.cold.4+0x5/0xa [ 127.928763] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 127.934229] ? lock_downgrade+0x860/0x860 [ 127.938372] ? ___might_sleep+0x16b/0x270 [ 127.942606] __should_failslab+0xba/0xf0 [ 127.946870] should_failslab+0x9/0x20 [ 127.950713] kmem_cache_alloc_trace+0x2cb/0x740 [ 127.955530] ? qfq_change_class+0xa93/0x14e0 [ 127.960147] ? qfq_change_class+0xa93/0x14e0 [ 127.964716] ? __local_bh_enable_ip+0x160/0x260 [ 127.969518] qfq_change_class+0xad9/0x14e0 [ 127.973751] ? qfq_delete_class+0x2d0/0x2d0 [ 127.978502] ? nla_parse+0x197/0x280 [ 127.982220] tc_ctl_tclass+0x3e9/0xba0 [ 127.986140] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 127.991242] ? find_held_lock+0x36/0x1d0 [ 127.995317] rtnetlink_rcv_msg+0x34f/0x8f0 [ 127.999537] ? rtnetlink_put_metrics+0x490/0x490 [ 128.004547] ? find_held_lock+0x36/0x1d0 [ 128.008740] netlink_rcv_skb+0x13e/0x3d0 [ 128.012904] ? lock_downgrade+0x860/0x860 [ 128.017043] ? rtnetlink_put_metrics+0x490/0x490 [ 128.022084] ? netlink_ack+0xa70/0xa70 [ 128.026145] ? netlink_deliver_tap+0x182/0xb00 [ 128.031168] rtnetlink_rcv+0x10/0x20 [ 128.034881] netlink_unicast+0x443/0x650 [ 128.039117] ? netlink_attachskb+0x6c0/0x6c0 [ 128.043729] ? _copy_from_iter_full+0x182/0x720 [ 128.048514] ? __check_object_size+0x1ef/0x310 [ 128.053304] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 128.058853] netlink_sendmsg+0x764/0xc60 [ 128.063006] ? netlink_unicast+0x650/0x650 [ 128.067589] ? apparmor_socket_sendmsg+0x1b/0x20 [ 128.072343] ? netlink_unicast+0x650/0x650 [ 128.076675] sock_sendmsg+0xb5/0xf0 [ 128.080518] ___sys_sendmsg+0x647/0x950 [ 128.084558] ? find_held_lock+0x36/0x1d0 [ 128.088606] ? copy_msghdr_from_user+0x430/0x430 [ 128.093435] ? __fget+0x278/0x400 [ 128.096873] ? kasan_check_read+0x11/0x20 [ 128.101269] ? __fget+0x295/0x400 [ 128.104795] ? expand_files.part.8+0x700/0x700 [ 128.109361] ? __f_unlock_pos+0xd/0x10 [ 128.113238] ? __fget_light+0x174/0x1e0 [ 128.117290] ? __fdget+0xe/0x10 [ 128.120774] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 128.125688] __sys_sendmsg+0xd9/0x180 [ 128.129619] ? __ia32_sys_shutdown+0x70/0x70 [ 128.134723] ? __sb_end_write+0xa4/0xd0 [ 128.138857] ? kasan_check_write+0x14/0x20 [ 128.143084] ? fput+0x18/0x120 [ 128.146490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.152005] __x64_sys_sendmsg+0x73/0xb0 [ 128.156245] do_syscall_64+0xd0/0x4e0 [ 128.160133] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.165406] RIP: 0033:0x463d89 [ 128.168597] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 128.187484] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.195236] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 128.202726] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 128.210155] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 128.217793] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 128.225236] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 128.247294] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 128.277211] FAULT_INJECTION: forcing a failure. [ 128.277211] name failslab, interval 1, probability 0, space 0, times 0 [ 128.289656] CPU: 0 PID: 9417 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 128.297645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.307435] Call Trace: [ 128.310300] dump_stack+0x123/0x171 [ 128.314026] should_fail.cold.4+0x5/0xa [ 128.317992] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 128.323295] ? lock_downgrade+0x860/0x860 [ 128.327538] ? ___might_sleep+0x16b/0x270 [ 128.331810] __should_failslab+0xba/0xf0 [ 128.336099] should_failslab+0x9/0x20 [ 128.339921] kmem_cache_alloc_trace+0x2cb/0x740 [ 128.344835] ? qfq_change_class+0xa93/0x14e0 [ 128.349430] ? qfq_change_class+0xa93/0x14e0 [ 128.354047] ? __local_bh_enable_ip+0x160/0x260 [ 128.360271] qfq_change_class+0xad9/0x14e0 [ 128.365142] ? qfq_delete_class+0x2d0/0x2d0 [ 128.369739] ? nla_parse+0x197/0x280 [ 128.373538] tc_ctl_tclass+0x3e9/0xba0 [ 128.377536] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 128.382640] ? find_held_lock+0x36/0x1d0 [ 128.386993] rtnetlink_rcv_msg+0x34f/0x8f0 [ 128.391605] ? rtnetlink_put_metrics+0x490/0x490 [ 128.396708] ? find_held_lock+0x36/0x1d0 [ 128.401071] netlink_rcv_skb+0x13e/0x3d0 [ 128.405366] ? lock_downgrade+0x860/0x860 [ 128.409539] ? rtnetlink_put_metrics+0x490/0x490 [ 128.414296] ? netlink_ack+0xa70/0xa70 [ 128.418514] ? netlink_deliver_tap+0x182/0xb00 [ 128.423222] rtnetlink_rcv+0x10/0x20 [ 128.426948] netlink_unicast+0x443/0x650 [ 128.431113] ? netlink_attachskb+0x6c0/0x6c0 [ 128.435602] ? _copy_from_iter_full+0x182/0x720 [ 128.440276] ? __check_object_size+0x1ef/0x310 [ 128.444938] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 128.450660] netlink_sendmsg+0x764/0xc60 [ 128.454781] ? netlink_unicast+0x650/0x650 [ 128.459292] ? apparmor_socket_sendmsg+0x1b/0x20 [ 128.464607] ? netlink_unicast+0x650/0x650 [ 128.468871] sock_sendmsg+0xb5/0xf0 [ 128.472745] ___sys_sendmsg+0x647/0x950 [ 128.477231] ? find_held_lock+0x36/0x1d0 [ 128.481831] ? copy_msghdr_from_user+0x430/0x430 [ 128.487443] ? __fget+0x278/0x400 [ 128.491104] ? kasan_check_read+0x11/0x20 [ 128.495587] ? __fget+0x295/0x400 [ 128.499121] ? expand_files.part.8+0x700/0x700 [ 128.504021] ? __f_unlock_pos+0xd/0x10 [ 128.507991] ? __fget_light+0x174/0x1e0 [ 128.512208] ? __fdget+0xe/0x10 [ 128.515755] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 128.520709] __sys_sendmsg+0xd9/0x180 [ 128.525061] ? __ia32_sys_shutdown+0x70/0x70 [ 128.529765] ? __sb_end_write+0xa4/0xd0 [ 128.534636] ? kasan_check_write+0x14/0x20 [ 128.539117] ? fput+0x18/0x120 [ 128.542485] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.548023] __x64_sys_sendmsg+0x73/0xb0 [ 128.552255] do_syscall_64+0xd0/0x4e0 [ 128.556060] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.561515] RIP: 0033:0x463d89 [ 128.565015] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 128.585653] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.593968] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 128.601343] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 128.609112] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 128.616622] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 128.623987] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 128.639719] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 128.669264] FAULT_INJECTION: forcing a failure. [ 128.669264] name failslab, interval 1, probability 0, space 0, times 0 [ 128.681078] CPU: 1 PID: 9423 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 128.689996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.700979] Call Trace: [ 128.703836] dump_stack+0x123/0x171 [ 128.708131] should_fail.cold.4+0x5/0xa [ 128.712440] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 128.717924] ? lock_downgrade+0x860/0x860 [ 128.722475] ? ___might_sleep+0x16b/0x270 [ 128.726749] __should_failslab+0xba/0xf0 [ 128.731173] should_failslab+0x9/0x20 [ 128.735417] kmem_cache_alloc_trace+0x2cb/0x740 [ 128.740082] ? qfq_change_class+0xa93/0x14e0 [ 128.744563] ? qfq_change_class+0xa93/0x14e0 [ 128.749042] ? __local_bh_enable_ip+0x160/0x260 [ 128.753720] qfq_change_class+0xad9/0x14e0 [ 128.757946] ? qfq_delete_class+0x2d0/0x2d0 [ 128.762340] ? nla_parse+0x197/0x280 [ 128.766134] tc_ctl_tclass+0x3e9/0xba0 [ 128.770104] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 128.775385] ? find_held_lock+0x36/0x1d0 [ 128.779566] rtnetlink_rcv_msg+0x34f/0x8f0 [ 128.783797] ? rtnetlink_put_metrics+0x490/0x490 [ 128.788626] ? find_held_lock+0x36/0x1d0 [ 128.792679] netlink_rcv_skb+0x13e/0x3d0 [ 128.796761] ? lock_downgrade+0x860/0x860 [ 128.800905] ? rtnetlink_put_metrics+0x490/0x490 [ 128.805664] ? netlink_ack+0xa70/0xa70 [ 128.809720] ? netlink_deliver_tap+0x182/0xb00 [ 128.814305] rtnetlink_rcv+0x10/0x20 [ 128.818723] netlink_unicast+0x443/0x650 [ 128.823181] ? netlink_attachskb+0x6c0/0x6c0 [ 128.827700] ? _copy_from_iter_full+0x182/0x720 [ 128.832449] ? __check_object_size+0x1ef/0x310 [ 128.837381] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 128.843409] netlink_sendmsg+0x764/0xc60 [ 128.847869] ? netlink_unicast+0x650/0x650 [ 128.852709] ? apparmor_socket_sendmsg+0x1b/0x20 [ 128.857751] ? netlink_unicast+0x650/0x650 [ 128.862181] sock_sendmsg+0xb5/0xf0 [ 128.866407] ___sys_sendmsg+0x647/0x950 [ 128.870464] ? find_held_lock+0x36/0x1d0 [ 128.874831] ? copy_msghdr_from_user+0x430/0x430 [ 128.879908] ? __fget+0x278/0x400 [ 128.883478] ? __fget+0x295/0x400 [ 128.887007] ? expand_files.part.8+0x700/0x700 [ 128.892201] ? __f_unlock_pos+0xd/0x10 [ 128.896696] ? __fget_light+0x174/0x1e0 [ 128.900768] ? __fdget+0xe/0x10 [ 128.904064] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 128.909151] __sys_sendmsg+0xd9/0x180 [ 128.913412] ? __ia32_sys_shutdown+0x70/0x70 [ 128.918071] ? __sb_end_write+0xa4/0xd0 [ 128.922267] ? kasan_check_write+0x14/0x20 [ 128.926592] ? fput+0x18/0x120 [ 128.930060] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.935804] __x64_sys_sendmsg+0x73/0xb0 [ 128.940192] do_syscall_64+0xd0/0x4e0 [ 128.944904] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.950592] RIP: 0033:0x463d89 [ 128.954160] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 128.974811] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.983550] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 128.990965] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 128.998672] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 129.006122] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 129.013483] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 129.023105] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 129.042090] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 129.068051] FAULT_INJECTION: forcing a failure. [ 129.068051] name failslab, interval 1, probability 0, space 0, times 0 [ 129.079940] CPU: 0 PID: 9444 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 129.088110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.097968] Call Trace: [ 129.100549] dump_stack+0x123/0x171 [ 129.104264] should_fail.cold.4+0x5/0xa [ 129.108466] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 129.114555] ? lock_downgrade+0x860/0x860 [ 129.119520] ? ___might_sleep+0x16b/0x270 [ 129.124078] __should_failslab+0xba/0xf0 [ 129.128248] should_failslab+0x9/0x20 [ 129.132604] kmem_cache_alloc_trace+0x2cb/0x740 [ 129.138131] ? qfq_change_class+0xa93/0x14e0 [ 129.142914] ? qfq_change_class+0xa93/0x14e0 [ 129.147527] ? __local_bh_enable_ip+0x160/0x260 [ 129.152202] qfq_change_class+0xad9/0x14e0 [ 129.156581] ? qfq_delete_class+0x2d0/0x2d0 [ 129.161960] ? nla_parse+0x197/0x280 [ 129.166054] tc_ctl_tclass+0x3e9/0xba0 [ 129.170320] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 129.175564] ? find_held_lock+0x36/0x1d0 [ 129.179832] rtnetlink_rcv_msg+0x34f/0x8f0 [ 129.184840] ? rtnetlink_put_metrics+0x490/0x490 [ 129.189702] ? find_held_lock+0x36/0x1d0 [ 129.195477] netlink_rcv_skb+0x13e/0x3d0 [ 129.202067] ? lock_downgrade+0x860/0x860 [ 129.207465] ? rtnetlink_put_metrics+0x490/0x490 [ 129.213107] ? netlink_ack+0xa70/0xa70 [ 129.217125] ? netlink_deliver_tap+0x182/0xb00 [ 129.221980] rtnetlink_rcv+0x10/0x20 [ 129.226522] netlink_unicast+0x443/0x650 [ 129.231498] ? netlink_attachskb+0x6c0/0x6c0 [ 129.236511] ? _copy_from_iter_full+0x182/0x720 [ 129.242011] ? __check_object_size+0x1ef/0x310 [ 129.247138] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 129.253371] netlink_sendmsg+0x764/0xc60 [ 129.257537] ? netlink_unicast+0x650/0x650 [ 129.261787] ? apparmor_socket_sendmsg+0x1b/0x20 [ 129.266815] ? netlink_unicast+0x650/0x650 [ 129.271313] sock_sendmsg+0xb5/0xf0 [ 129.275117] ___sys_sendmsg+0x647/0x950 [ 129.279664] ? find_held_lock+0x36/0x1d0 [ 129.284673] ? copy_msghdr_from_user+0x430/0x430 [ 129.289519] ? __fget+0x278/0x400 [ 129.293047] ? kasan_check_read+0x11/0x20 [ 129.298012] ? __fget+0x295/0x400 [ 129.301663] ? expand_files.part.8+0x700/0x700 [ 129.306334] ? __f_unlock_pos+0xd/0x10 [ 129.310551] ? __fget_light+0x174/0x1e0 [ 129.314531] ? __fdget+0xe/0x10 [ 129.318179] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 129.323305] __sys_sendmsg+0xd9/0x180 [ 129.327393] ? __ia32_sys_shutdown+0x70/0x70 [ 129.331801] ? __sb_end_write+0xa4/0xd0 [ 129.335777] ? kasan_check_write+0x14/0x20 [ 129.340639] ? fput+0x18/0x120 [ 129.343926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.349589] __x64_sys_sendmsg+0x73/0xb0 [ 129.353651] do_syscall_64+0xd0/0x4e0 [ 129.357636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.363358] RIP: 0033:0x463d89 [ 129.366541] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 129.386362] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 129.394636] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 129.402991] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 129.410383] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 129.418893] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 129.426775] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 129.448082] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 129.479364] FAULT_INJECTION: forcing a failure. [ 129.479364] name failslab, interval 1, probability 0, space 0, times 0 [ 129.493014] CPU: 0 PID: 9452 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 129.501154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.510802] Call Trace: [ 129.513779] dump_stack+0x123/0x171 [ 129.517578] should_fail.cold.4+0x5/0xa [ 129.521904] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 129.527007] ? lock_downgrade+0x860/0x860 [ 129.531145] ? ___might_sleep+0x16b/0x270 [ 129.535627] __should_failslab+0xba/0xf0 [ 129.539678] should_failslab+0x9/0x20 [ 129.543666] kmem_cache_alloc_trace+0x2cb/0x740 [ 129.548504] ? qfq_change_class+0xa93/0x14e0 [ 129.552998] ? qfq_change_class+0xa93/0x14e0 [ 129.557573] ? __local_bh_enable_ip+0x160/0x260 [ 129.562395] qfq_change_class+0xad9/0x14e0 [ 129.567077] ? qfq_delete_class+0x2d0/0x2d0 [ 129.571760] ? nla_parse+0x197/0x280 [ 129.575670] tc_ctl_tclass+0x3e9/0xba0 [ 129.579879] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 129.585378] ? find_held_lock+0x36/0x1d0 [ 129.589570] rtnetlink_rcv_msg+0x34f/0x8f0 [ 129.594145] ? rtnetlink_put_metrics+0x490/0x490 [ 129.598995] ? find_held_lock+0x36/0x1d0 [ 129.603157] netlink_rcv_skb+0x13e/0x3d0 [ 129.607338] ? lock_downgrade+0x860/0x860 [ 129.611648] ? rtnetlink_put_metrics+0x490/0x490 [ 129.616546] ? netlink_ack+0xa70/0xa70 [ 129.620628] ? netlink_deliver_tap+0x182/0xb00 [ 129.625205] rtnetlink_rcv+0x10/0x20 [ 129.628925] netlink_unicast+0x443/0x650 [ 129.633000] ? netlink_attachskb+0x6c0/0x6c0 [ 129.637663] ? _copy_from_iter_full+0x182/0x720 [ 129.642526] ? __check_object_size+0x1ef/0x310 [ 129.647181] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 129.652885] netlink_sendmsg+0x764/0xc60 [ 129.657063] ? netlink_unicast+0x650/0x650 [ 129.661317] ? apparmor_socket_sendmsg+0x1b/0x20 [ 129.666064] ? netlink_unicast+0x650/0x650 [ 129.670489] sock_sendmsg+0xb5/0xf0 [ 129.674109] ___sys_sendmsg+0x647/0x950 [ 129.678452] ? find_held_lock+0x36/0x1d0 [ 129.682763] ? copy_msghdr_from_user+0x430/0x430 [ 129.687754] ? __fget+0x278/0x400 [ 129.691210] ? kasan_check_read+0x11/0x20 [ 129.695825] ? __fget+0x295/0x400 [ 129.699553] ? expand_files.part.8+0x700/0x700 [ 129.704130] ? __f_unlock_pos+0xd/0x10 [ 129.708115] ? __fget_light+0x174/0x1e0 [ 129.712789] ? __fdget+0xe/0x10 [ 129.716963] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 129.722260] __sys_sendmsg+0xd9/0x180 [ 129.726513] ? __ia32_sys_shutdown+0x70/0x70 [ 129.731547] ? __sb_end_write+0xa4/0xd0 [ 129.735610] ? kasan_check_write+0x14/0x20 [ 129.740011] ? fput+0x18/0x120 [ 129.743321] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.748855] __x64_sys_sendmsg+0x73/0xb0 [ 129.753178] do_syscall_64+0xd0/0x4e0 [ 129.757079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.762426] RIP: 0033:0x463d89 [ 129.765985] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 129.785771] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 129.793931] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 129.801751] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 129.809453] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 129.817016] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 129.824774] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 129.841027] FAULT_INJECTION: forcing a failure. [ 129.841027] name failslab, interval 1, probability 0, space 0, times 0 [ 129.864307] CPU: 1 PID: 9453 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 129.872329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.882194] Call Trace: [ 129.884773] dump_stack+0x123/0x171 [ 129.888488] should_fail.cold.4+0x5/0xa [ 129.892742] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 129.898021] ? lock_downgrade+0x860/0x860 [ 129.902201] ? ___might_sleep+0x16b/0x270 [ 129.906801] __should_failslab+0xba/0xf0 [ 129.912235] should_failslab+0x9/0x20 [ 129.916056] kmem_cache_alloc_trace+0x2cb/0x740 [ 129.921078] ? qfq_change_class+0xa93/0x14e0 [ 129.925920] ? qfq_change_class+0xa93/0x14e0 [ 129.930327] ? __local_bh_enable_ip+0x160/0x260 [ 129.935145] qfq_change_class+0xad9/0x14e0 [ 129.939638] ? qfq_delete_class+0x2d0/0x2d0 [ 129.944031] ? nla_parse+0x197/0x280 [ 129.947746] tc_ctl_tclass+0x3e9/0xba0 [ 129.952165] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 129.959361] ? find_held_lock+0x36/0x1d0 [ 129.963795] rtnetlink_rcv_msg+0x34f/0x8f0 [ 129.968118] ? rtnetlink_put_metrics+0x490/0x490 [ 129.973327] ? find_held_lock+0x36/0x1d0 [ 129.977405] netlink_rcv_skb+0x13e/0x3d0 [ 129.981776] ? lock_downgrade+0x860/0x860 [ 129.986333] ? rtnetlink_put_metrics+0x490/0x490 [ 129.991408] ? netlink_ack+0xa70/0xa70 [ 129.995484] ? netlink_deliver_tap+0x182/0xb00 [ 130.000093] rtnetlink_rcv+0x10/0x20 [ 130.004094] netlink_unicast+0x443/0x650 [ 130.008265] ? netlink_attachskb+0x6c0/0x6c0 [ 130.013009] ? _copy_from_iter_full+0x182/0x720 [ 130.018081] ? __check_object_size+0x1ef/0x310 [ 130.023374] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 130.029182] netlink_sendmsg+0x764/0xc60 [ 130.033522] ? netlink_unicast+0x650/0x650 [ 130.038001] ? apparmor_socket_sendmsg+0x1b/0x20 [ 130.043007] ? netlink_unicast+0x650/0x650 [ 130.047340] sock_sendmsg+0xb5/0xf0 [ 130.051204] ___sys_sendmsg+0x647/0x950 [ 130.055395] ? find_held_lock+0x36/0x1d0 [ 130.059541] ? copy_msghdr_from_user+0x430/0x430 [ 130.064900] ? __fget+0x278/0x400 [ 130.068753] ? kasan_check_read+0x11/0x20 [ 130.073306] ? __fget+0x295/0x400 [ 130.076971] ? expand_files.part.8+0x700/0x700 [ 130.082192] ? __f_unlock_pos+0xd/0x10 [ 130.086455] ? __fget_light+0x174/0x1e0 [ 130.090747] ? __fdget+0xe/0x10 [ 130.094959] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 130.100118] __sys_sendmsg+0xd9/0x180 [ 130.104440] ? __ia32_sys_shutdown+0x70/0x70 [ 130.109100] ? __sb_end_write+0xa4/0xd0 [ 130.113341] ? kasan_check_write+0x14/0x20 [ 130.117759] ? fput+0x18/0x120 [ 130.120959] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.126352] __x64_sys_sendmsg+0x73/0xb0 [ 130.130757] do_syscall_64+0xd0/0x4e0 [ 130.134754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.140145] RIP: 0033:0x463d89 [ 130.143506] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 130.165178] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.173578] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 130.181286] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 130.189158] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 130.196695] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 130.204512] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 130.213196] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 130.229727] FAULT_INJECTION: forcing a failure. [ 130.229727] name failslab, interval 1, probability 0, space 0, times 0 [ 130.244845] CPU: 1 PID: 9463 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 130.253900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.265255] Call Trace: [ 130.268342] dump_stack+0x123/0x171 [ 130.272447] should_fail.cold.4+0x5/0xa [ 130.276945] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 130.282585] ? lock_downgrade+0x860/0x860 [ 130.287005] ? ___might_sleep+0x16b/0x270 [ 130.291357] __should_failslab+0xba/0xf0 [ 130.295838] should_failslab+0x9/0x20 [ 130.299751] kmem_cache_alloc_trace+0x2cb/0x740 [ 130.304822] ? qfq_change_class+0xa93/0x14e0 [ 130.309912] ? qfq_change_class+0xa93/0x14e0 [ 130.314499] ? __local_bh_enable_ip+0x160/0x260 [ 130.319494] qfq_change_class+0xad9/0x14e0 [ 130.324334] ? qfq_delete_class+0x2d0/0x2d0 [ 130.329276] ? nla_parse+0x197/0x280 [ 130.333113] tc_ctl_tclass+0x3e9/0xba0 [ 130.337291] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 130.342610] ? find_held_lock+0x36/0x1d0 [ 130.346759] rtnetlink_rcv_msg+0x34f/0x8f0 [ 130.351098] ? rtnetlink_put_metrics+0x490/0x490 [ 130.355851] ? find_held_lock+0x36/0x1d0 [ 130.361164] netlink_rcv_skb+0x13e/0x3d0 [ 130.365396] ? lock_downgrade+0x860/0x860 [ 130.369631] ? rtnetlink_put_metrics+0x490/0x490 [ 130.374407] ? netlink_ack+0xa70/0xa70 [ 130.378502] ? netlink_deliver_tap+0x182/0xb00 [ 130.383294] rtnetlink_rcv+0x10/0x20 [ 130.387259] netlink_unicast+0x443/0x650 [ 130.391631] ? netlink_attachskb+0x6c0/0x6c0 [ 130.396219] ? _copy_from_iter_full+0x182/0x720 [ 130.401541] ? __check_object_size+0x1ef/0x310 [ 130.406425] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 130.412383] netlink_sendmsg+0x764/0xc60 [ 130.417111] ? netlink_unicast+0x650/0x650 [ 130.422211] ? apparmor_socket_sendmsg+0x1b/0x20 [ 130.427202] ? netlink_unicast+0x650/0x650 [ 130.432067] sock_sendmsg+0xb5/0xf0 [ 130.436052] ___sys_sendmsg+0x647/0x950 [ 130.440153] ? find_held_lock+0x36/0x1d0 [ 130.444390] ? copy_msghdr_from_user+0x430/0x430 [ 130.449239] ? __fget+0x278/0x400 [ 130.452974] ? kasan_check_read+0x11/0x20 [ 130.457272] ? __fget+0x295/0x400 [ 130.460843] ? expand_files.part.8+0x700/0x700 [ 130.465802] ? __f_unlock_pos+0xd/0x10 [ 130.469958] ? __fget_light+0x174/0x1e0 [ 130.474228] ? __fdget+0xe/0x10 [ 130.477691] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 130.483352] __sys_sendmsg+0xd9/0x180 [ 130.487357] ? __ia32_sys_shutdown+0x70/0x70 [ 130.491927] ? __sb_end_write+0xa4/0xd0 [ 130.495909] ? kasan_check_write+0x14/0x20 [ 130.500309] ? fput+0x18/0x120 [ 130.503519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.509495] __x64_sys_sendmsg+0x73/0xb0 [ 130.514328] do_syscall_64+0xd0/0x4e0 [ 130.519075] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.524453] RIP: 0033:0x463d89 [ 130.528229] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 130.548859] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.557128] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 130.564669] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 130.573611] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 130.581508] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 130.588970] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 130.598218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 130.620184] FAULT_INJECTION: forcing a failure. [ 130.620184] name failslab, interval 1, probability 0, space 0, times 0 [ 130.634818] CPU: 1 PID: 9485 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 130.642843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.652291] Call Trace: [ 130.654882] dump_stack+0x123/0x171 [ 130.659007] should_fail.cold.4+0x5/0xa [ 130.663442] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 130.668845] ? lock_downgrade+0x860/0x860 [ 130.673267] ? ___might_sleep+0x16b/0x270 [ 130.677443] __should_failslab+0xba/0xf0 [ 130.681655] should_failslab+0x9/0x20 [ 130.685808] kmem_cache_alloc_trace+0x2cb/0x740 [ 130.690570] ? qfq_change_class+0xa93/0x14e0 [ 130.695496] ? qfq_change_class+0xa93/0x14e0 [ 130.700306] ? __local_bh_enable_ip+0x160/0x260 [ 130.705296] qfq_change_class+0xad9/0x14e0 [ 130.710458] ? qfq_delete_class+0x2d0/0x2d0 [ 130.715345] ? nla_parse+0x197/0x280 [ 130.719144] tc_ctl_tclass+0x3e9/0xba0 [ 130.723691] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 130.728890] ? find_held_lock+0x36/0x1d0 [ 130.733152] rtnetlink_rcv_msg+0x34f/0x8f0 [ 130.737553] ? rtnetlink_put_metrics+0x490/0x490 [ 130.742651] ? find_held_lock+0x36/0x1d0 [ 130.747130] netlink_rcv_skb+0x13e/0x3d0 [ 130.751498] ? lock_downgrade+0x860/0x860 [ 130.756145] ? rtnetlink_put_metrics+0x490/0x490 [ 130.761239] ? netlink_ack+0xa70/0xa70 [ 130.765290] ? netlink_deliver_tap+0x182/0xb00 [ 130.769991] rtnetlink_rcv+0x10/0x20 [ 130.773699] netlink_unicast+0x443/0x650 [ 130.777936] ? netlink_attachskb+0x6c0/0x6c0 [ 130.782510] ? _copy_from_iter_full+0x182/0x720 [ 130.787494] ? __check_object_size+0x1ef/0x310 [ 130.792336] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 130.798147] netlink_sendmsg+0x764/0xc60 [ 130.803321] ? netlink_unicast+0x650/0x650 [ 130.807664] ? apparmor_socket_sendmsg+0x1b/0x20 [ 130.812714] ? netlink_unicast+0x650/0x650 [ 130.817469] sock_sendmsg+0xb5/0xf0 [ 130.821388] ___sys_sendmsg+0x647/0x950 [ 130.825366] ? find_held_lock+0x36/0x1d0 [ 130.829446] ? copy_msghdr_from_user+0x430/0x430 [ 130.834883] ? __fget+0x278/0x400 [ 130.838901] ? kasan_check_read+0x11/0x20 [ 130.843183] ? __fget+0x295/0x400 [ 130.847221] ? expand_files.part.8+0x700/0x700 [ 130.852096] ? __f_unlock_pos+0xd/0x10 [ 130.856240] ? __fget_light+0x174/0x1e0 [ 130.860775] ? __fdget+0xe/0x10 [ 130.864099] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 130.869159] __sys_sendmsg+0xd9/0x180 [ 130.873097] ? __ia32_sys_shutdown+0x70/0x70 [ 130.877841] ? __sb_end_write+0xa4/0xd0 [ 130.881980] ? kasan_check_write+0x14/0x20 [ 130.886437] ? fput+0x18/0x120 [ 130.889710] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.895425] __x64_sys_sendmsg+0x73/0xb0 [ 130.899635] do_syscall_64+0xd0/0x4e0 [ 130.903779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.909280] RIP: 0033:0x463d89 [ 130.912851] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 130.932361] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.940671] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 130.947941] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 130.955714] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 130.963350] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 130.970989] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 130.985946] FAULT_INJECTION: forcing a failure. [ 130.985946] name failslab, interval 1, probability 0, space 0, times 0 [ 131.002165] CPU: 1 PID: 9495 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 131.010230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.019797] Call Trace: [ 131.022564] dump_stack+0x123/0x171 [ 131.026375] should_fail.cold.4+0x5/0xa [ 131.030661] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 131.036782] ? lock_downgrade+0x860/0x860 [ 131.040939] ? ___might_sleep+0x16b/0x270 [ 131.045333] __should_failslab+0xba/0xf0 [ 131.049655] should_failslab+0x9/0x20 [ 131.053617] kmem_cache_alloc_trace+0x2cb/0x740 [ 131.058708] ? qfq_change_class+0xa93/0x14e0 [ 131.063444] ? qfq_change_class+0xa93/0x14e0 [ 131.067946] ? __local_bh_enable_ip+0x160/0x260 [ 131.072891] qfq_change_class+0xad9/0x14e0 [ 131.077207] ? qfq_delete_class+0x2d0/0x2d0 [ 131.081764] ? nla_parse+0x197/0x280 [ 131.085591] tc_ctl_tclass+0x3e9/0xba0 [ 131.089491] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 131.094707] ? find_held_lock+0x36/0x1d0 [ 131.099127] rtnetlink_rcv_msg+0x34f/0x8f0 [ 131.103724] ? rtnetlink_put_metrics+0x490/0x490 [ 131.108911] ? find_held_lock+0x36/0x1d0 [ 131.112982] netlink_rcv_skb+0x13e/0x3d0 [ 131.117120] ? lock_downgrade+0x860/0x860 [ 131.121629] ? rtnetlink_put_metrics+0x490/0x490 [ 131.126654] ? netlink_ack+0xa70/0xa70 [ 131.130887] ? netlink_deliver_tap+0x182/0xb00 [ 131.135637] rtnetlink_rcv+0x10/0x20 [ 131.139378] netlink_unicast+0x443/0x650 [ 131.143555] ? netlink_attachskb+0x6c0/0x6c0 [ 131.147992] ? _copy_from_iter_full+0x182/0x720 [ 131.152999] ? __check_object_size+0x1ef/0x310 [ 131.157669] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 131.163200] netlink_sendmsg+0x764/0xc60 [ 131.167512] ? netlink_unicast+0x650/0x650 [ 131.172058] ? apparmor_socket_sendmsg+0x1b/0x20 [ 131.177358] ? netlink_unicast+0x650/0x650 [ 131.181746] sock_sendmsg+0xb5/0xf0 [ 131.185522] ___sys_sendmsg+0x647/0x950 [ 131.189636] ? find_held_lock+0x36/0x1d0 [ 131.193700] ? copy_msghdr_from_user+0x430/0x430 [ 131.198529] ? __fget+0x278/0x400 [ 131.201969] ? kasan_check_read+0x11/0x20 [ 131.207467] ? __fget+0x295/0x400 [ 131.211032] ? expand_files.part.8+0x700/0x700 [ 131.215813] ? __f_unlock_pos+0xd/0x10 [ 131.220781] ? __fget_light+0x174/0x1e0 [ 131.224750] ? __fdget+0xe/0x10 [ 131.228176] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 131.233688] __sys_sendmsg+0xd9/0x180 [ 131.237874] ? __ia32_sys_shutdown+0x70/0x70 [ 131.242393] ? __sb_end_write+0xa4/0xd0 [ 131.246621] ? kasan_check_write+0x14/0x20 [ 131.250866] ? fput+0x18/0x120 [ 131.254055] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.259602] __x64_sys_sendmsg+0x73/0xb0 [ 131.263869] do_syscall_64+0xd0/0x4e0 [ 131.267881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.273148] RIP: 0033:0x463d89 [ 131.276448] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 131.296478] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.304438] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 131.312320] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 131.319906] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 131.328127] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 131.335565] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 131.344387] FAULT_INJECTION: forcing a failure. [ 131.344387] name failslab, interval 1, probability 0, space 0, times 0 [ 131.357600] CPU: 1 PID: 9497 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 131.365811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.375438] Call Trace: [ 131.378029] dump_stack+0x123/0x171 [ 131.381753] should_fail.cold.4+0x5/0xa [ 131.385874] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 131.391557] ? lock_downgrade+0x860/0x860 [ 131.395710] ? ___might_sleep+0x16b/0x270 [ 131.399962] __should_failslab+0xba/0xf0 [ 131.404204] should_failslab+0x9/0x20 [ 131.408616] kmem_cache_alloc_trace+0x2cb/0x740 [ 131.413915] ? qfq_change_class+0xa93/0x14e0 [ 131.418422] ? qfq_change_class+0xa93/0x14e0 [ 131.422963] ? __local_bh_enable_ip+0x160/0x260 [ 131.427632] qfq_change_class+0xad9/0x14e0 [ 131.431877] ? qfq_delete_class+0x2d0/0x2d0 [ 131.436631] ? nla_parse+0x197/0x280 [ 131.440438] tc_ctl_tclass+0x3e9/0xba0 [ 131.444497] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 131.449920] ? find_held_lock+0x36/0x1d0 [ 131.453987] rtnetlink_rcv_msg+0x34f/0x8f0 [ 131.458312] ? rtnetlink_put_metrics+0x490/0x490 [ 131.463201] ? find_held_lock+0x36/0x1d0 [ 131.467353] netlink_rcv_skb+0x13e/0x3d0 [ 131.471505] ? lock_downgrade+0x860/0x860 [ 131.476062] ? rtnetlink_put_metrics+0x490/0x490 [ 131.481150] ? netlink_ack+0xa70/0xa70 [ 131.485038] ? netlink_deliver_tap+0x182/0xb00 [ 131.489877] rtnetlink_rcv+0x10/0x20 [ 131.493831] netlink_unicast+0x443/0x650 [ 131.498107] ? netlink_attachskb+0x6c0/0x6c0 [ 131.502509] ? _copy_from_iter_full+0x182/0x720 [ 131.507358] ? __check_object_size+0x1ef/0x310 [ 131.511937] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 131.517876] netlink_sendmsg+0x764/0xc60 [ 131.522034] ? netlink_unicast+0x650/0x650 [ 131.526613] ? apparmor_socket_sendmsg+0x1b/0x20 [ 131.531565] ? netlink_unicast+0x650/0x650 [ 131.535805] sock_sendmsg+0xb5/0xf0 [ 131.539445] ___sys_sendmsg+0x647/0x950 [ 131.543420] ? find_held_lock+0x36/0x1d0 [ 131.547562] ? copy_msghdr_from_user+0x430/0x430 [ 131.552315] ? __fget+0x278/0x400 [ 131.555755] ? kasan_check_read+0x11/0x20 [ 131.560221] ? __fget+0x295/0x400 [ 131.563668] ? expand_files.part.8+0x700/0x700 [ 131.568424] ? __f_unlock_pos+0xd/0x10 [ 131.572823] ? __fget_light+0x174/0x1e0 [ 131.577066] ? __fdget+0xe/0x10 [ 131.580428] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 131.585352] __sys_sendmsg+0xd9/0x180 [ 131.589386] ? __ia32_sys_shutdown+0x70/0x70 [ 131.593962] ? __sb_end_write+0xa4/0xd0 [ 131.597936] ? kasan_check_write+0x14/0x20 [ 131.602163] ? fput+0x18/0x120 [ 131.605457] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.611445] __x64_sys_sendmsg+0x73/0xb0 [ 131.616092] do_syscall_64+0xd0/0x4e0 [ 131.620301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.625868] RIP: 0033:0x463d89 [ 131.629441] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 131.648822] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.656847] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 131.664402] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 131.672302] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 131.679997] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 131.687459] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 131.708053] FAULT_INJECTION: forcing a failure. [ 131.708053] name failslab, interval 1, probability 0, space 0, times 0 [ 131.740895] CPU: 0 PID: 9503 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 131.749023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.758958] Call Trace: [ 131.761634] dump_stack+0x123/0x171 [ 131.765264] should_fail.cold.4+0x5/0xa [ 131.769528] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 131.774713] ? lock_downgrade+0x860/0x860 [ 131.778955] ? ___might_sleep+0x16b/0x270 [ 131.783284] __should_failslab+0xba/0xf0 [ 131.787522] should_failslab+0x9/0x20 [ 131.791796] kmem_cache_alloc_trace+0x2cb/0x740 [ 131.796675] ? qfq_change_class+0xa93/0x14e0 [ 131.801162] ? qfq_change_class+0xa93/0x14e0 [ 131.805684] ? __local_bh_enable_ip+0x160/0x260 [ 131.810601] qfq_change_class+0xad9/0x14e0 [ 131.815198] ? qfq_delete_class+0x2d0/0x2d0 [ 131.819617] ? nla_parse+0x197/0x280 [ 131.824052] tc_ctl_tclass+0x3e9/0xba0 [ 131.827985] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 131.833535] ? find_held_lock+0x36/0x1d0 [ 131.837779] rtnetlink_rcv_msg+0x34f/0x8f0 [ 131.842025] ? rtnetlink_put_metrics+0x490/0x490 [ 131.847020] ? find_held_lock+0x36/0x1d0 [ 131.851188] netlink_rcv_skb+0x13e/0x3d0 [ 131.855251] ? lock_downgrade+0x860/0x860 [ 131.859763] ? rtnetlink_put_metrics+0x490/0x490 [ 131.864918] ? netlink_ack+0xa70/0xa70 [ 131.869193] ? netlink_deliver_tap+0x182/0xb00 [ 131.874051] rtnetlink_rcv+0x10/0x20 [ 131.878045] netlink_unicast+0x443/0x650 [ 131.882304] ? netlink_attachskb+0x6c0/0x6c0 [ 131.886882] ? _copy_from_iter_full+0x182/0x720 [ 131.891867] ? __check_object_size+0x1ef/0x310 [ 131.896756] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 131.902327] netlink_sendmsg+0x764/0xc60 [ 131.906483] ? netlink_unicast+0x650/0x650 [ 131.911159] ? apparmor_socket_sendmsg+0x1b/0x20 [ 131.916229] ? netlink_unicast+0x650/0x650 [ 131.920867] sock_sendmsg+0xb5/0xf0 [ 131.924587] ___sys_sendmsg+0x647/0x950 [ 131.928774] ? find_held_lock+0x36/0x1d0 [ 131.932865] ? copy_msghdr_from_user+0x430/0x430 [ 131.938162] ? __fget+0x278/0x400 [ 131.941748] ? kasan_check_read+0x11/0x20 [ 131.946478] ? __fget+0x295/0x400 [ 131.950010] ? expand_files.part.8+0x700/0x700 [ 131.954612] ? __f_unlock_pos+0xd/0x10 [ 131.958495] ? __fget_light+0x174/0x1e0 [ 131.962586] ? __fdget+0xe/0x10 [ 131.967132] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 131.971971] __sys_sendmsg+0xd9/0x180 [ 131.975992] ? __ia32_sys_shutdown+0x70/0x70 [ 131.980502] ? __sb_end_write+0xa4/0xd0 [ 131.984675] ? kasan_check_write+0x14/0x20 [ 131.989509] ? fput+0x18/0x120 [ 131.992900] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.998531] __x64_sys_sendmsg+0x73/0xb0 [ 132.002687] do_syscall_64+0xd0/0x4e0 [ 132.006504] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.011792] RIP: 0033:0x463d89 [ 132.015115] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 2021/04/24 20:07:46 executed programs: 238 [ 132.035138] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.043025] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 132.050651] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 132.058112] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 132.065768] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 132.073131] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 132.088936] FAULT_INJECTION: forcing a failure. [ 132.088936] name failslab, interval 1, probability 0, space 0, times 0 [ 132.104377] CPU: 0 PID: 9513 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 132.112370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.121996] Call Trace: [ 132.124589] dump_stack+0x123/0x171 [ 132.128233] should_fail.cold.4+0x5/0xa [ 132.132563] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 132.138418] ? lock_downgrade+0x860/0x860 [ 132.142653] ? ___might_sleep+0x16b/0x270 [ 132.147535] __should_failslab+0xba/0xf0 [ 132.152142] should_failslab+0x9/0x20 [ 132.156146] kmem_cache_alloc_trace+0x2cb/0x740 [ 132.161728] ? qfq_change_class+0xa93/0x14e0 [ 132.167017] ? qfq_change_class+0xa93/0x14e0 [ 132.171513] ? __local_bh_enable_ip+0x160/0x260 [ 132.176620] qfq_change_class+0xad9/0x14e0 [ 132.181269] ? qfq_delete_class+0x2d0/0x2d0 [ 132.185620] ? nla_parse+0x197/0x280 [ 132.189332] tc_ctl_tclass+0x3e9/0xba0 [ 132.193619] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 132.198753] ? find_held_lock+0x36/0x1d0 [ 132.202901] rtnetlink_rcv_msg+0x34f/0x8f0 [ 132.207324] ? rtnetlink_put_metrics+0x490/0x490 [ 132.212255] ? find_held_lock+0x36/0x1d0 [ 132.216743] netlink_rcv_skb+0x13e/0x3d0 [ 132.220830] ? lock_downgrade+0x860/0x860 [ 132.225056] ? rtnetlink_put_metrics+0x490/0x490 [ 132.229993] ? netlink_ack+0xa70/0xa70 [ 132.234330] ? netlink_deliver_tap+0x182/0xb00 [ 132.239440] rtnetlink_rcv+0x10/0x20 [ 132.243263] netlink_unicast+0x443/0x650 [ 132.247451] ? netlink_attachskb+0x6c0/0x6c0 [ 132.251948] ? _copy_from_iter_full+0x182/0x720 [ 132.257528] ? __check_object_size+0x1ef/0x310 [ 132.262383] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 132.268286] netlink_sendmsg+0x764/0xc60 [ 132.273422] ? netlink_unicast+0x650/0x650 [ 132.277747] ? apparmor_socket_sendmsg+0x1b/0x20 [ 132.282502] ? netlink_unicast+0x650/0x650 [ 132.286990] sock_sendmsg+0xb5/0xf0 [ 132.290812] ___sys_sendmsg+0x647/0x950 [ 132.294792] ? find_held_lock+0x36/0x1d0 [ 132.298933] ? copy_msghdr_from_user+0x430/0x430 [ 132.303882] ? __fget+0x278/0x400 [ 132.307513] ? kasan_check_read+0x11/0x20 [ 132.312135] ? __fget+0x295/0x400 [ 132.315879] ? expand_files.part.8+0x700/0x700 [ 132.320790] ? __f_unlock_pos+0xd/0x10 [ 132.325432] ? __fget_light+0x174/0x1e0 [ 132.330434] ? __fdget+0xe/0x10 [ 132.334076] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 132.339177] __sys_sendmsg+0xd9/0x180 [ 132.343249] ? __ia32_sys_shutdown+0x70/0x70 [ 132.347910] ? __sb_end_write+0xa4/0xd0 [ 132.352219] ? kasan_check_write+0x14/0x20 [ 132.356476] ? fput+0x18/0x120 [ 132.360232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.365970] __x64_sys_sendmsg+0x73/0xb0 [ 132.370115] do_syscall_64+0xd0/0x4e0 [ 132.374277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.379464] RIP: 0033:0x463d89 [ 132.382792] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 132.402751] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.410715] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 132.418074] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 132.425838] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 132.433476] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 132.441157] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 132.449364] nla_parse: 4 callbacks suppressed [ 132.449368] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 132.468225] FAULT_INJECTION: forcing a failure. [ 132.468225] name failslab, interval 1, probability 0, space 0, times 0 [ 132.480551] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 132.490407] CPU: 1 PID: 9527 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 132.496224] FAULT_INJECTION: forcing a failure. [ 132.496224] name failslab, interval 1, probability 0, space 0, times 0 [ 132.498506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.519300] Call Trace: [ 132.521884] dump_stack+0x123/0x171 [ 132.525834] should_fail.cold.4+0x5/0xa [ 132.529894] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 132.535336] __should_failslab+0xba/0xf0 [ 132.539744] should_failslab+0x9/0x20 [ 132.543529] kmem_cache_alloc+0x47/0x720 [ 132.547676] ? lock_acquire+0x173/0x3d0 [ 132.551813] skb_clone+0x115/0x340 [ 132.555517] netlink_deliver_tap+0x7d7/0xb00 [ 132.560241] __netlink_sendskb+0x62/0xc0 [ 132.564399] netlink_unicast+0x4ea/0x650 [ 132.568536] ? netlink_attachskb+0x6c0/0x6c0 [ 132.573191] netlink_ack+0x519/0xa70 [ 132.576976] ? netlink_sendmsg+0xc60/0xc60 [ 132.581209] ? find_held_lock+0x36/0x1d0 [ 132.585528] netlink_rcv_skb+0x2a8/0x3d0 [ 132.589740] ? lock_downgrade+0x860/0x860 [ 132.593981] ? rtnetlink_put_metrics+0x490/0x490 [ 132.598731] ? netlink_ack+0xa70/0xa70 [ 132.602785] ? netlink_deliver_tap+0x182/0xb00 [ 132.607454] rtnetlink_rcv+0x10/0x20 [ 132.611150] netlink_unicast+0x443/0x650 [ 132.615468] ? netlink_attachskb+0x6c0/0x6c0 [ 132.619871] ? _copy_from_iter_full+0x182/0x720 [ 132.624726] ? __check_object_size+0x1ef/0x310 [ 132.629299] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 132.634903] netlink_sendmsg+0x764/0xc60 [ 132.639233] ? netlink_unicast+0x650/0x650 [ 132.643548] ? apparmor_socket_sendmsg+0x1b/0x20 [ 132.648557] ? netlink_unicast+0x650/0x650 [ 132.652916] sock_sendmsg+0xb5/0xf0 [ 132.656739] ___sys_sendmsg+0x647/0x950 [ 132.660977] ? find_held_lock+0x36/0x1d0 [ 132.665121] ? copy_msghdr_from_user+0x430/0x430 [ 132.670139] ? __fget+0x278/0x400 [ 132.673591] ? kasan_check_read+0x11/0x20 [ 132.677923] ? __fget+0x295/0x400 [ 132.681829] ? expand_files.part.8+0x700/0x700 [ 132.686490] ? __f_unlock_pos+0xd/0x10 [ 132.690358] ? __fget_light+0x174/0x1e0 [ 132.694559] ? __fdget+0xe/0x10 [ 132.697822] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 132.702854] __sys_sendmsg+0xd9/0x180 [ 132.706735] ? __ia32_sys_shutdown+0x70/0x70 [ 132.711560] ? __sb_end_write+0xa4/0xd0 [ 132.715677] ? kasan_check_write+0x14/0x20 [ 132.720103] ? fput+0x18/0x120 [ 132.723455] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.729077] __x64_sys_sendmsg+0x73/0xb0 [ 132.733123] do_syscall_64+0xd0/0x4e0 [ 132.737089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.742537] RIP: 0033:0x463d89 [ 132.745906] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 132.765419] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.773291] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 132.780668] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 132.788184] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 132.795609] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 132.803119] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 132.810558] CPU: 0 PID: 9537 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 132.818743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.828254] Call Trace: [ 132.830962] dump_stack+0x123/0x171 [ 132.834598] should_fail.cold.4+0x5/0xa [ 132.838678] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 132.844447] ? lock_downgrade+0x860/0x860 [ 132.848693] ? ___might_sleep+0x16b/0x270 [ 132.852953] __should_failslab+0xba/0xf0 [ 132.857193] should_failslab+0x9/0x20 [ 132.861205] kmem_cache_alloc_trace+0x2cb/0x740 [ 132.865972] ? qfq_change_class+0xa93/0x14e0 [ 132.870470] ? qfq_change_class+0xa93/0x14e0 [ 132.874948] ? __local_bh_enable_ip+0x160/0x260 [ 132.879830] qfq_change_class+0xad9/0x14e0 [ 132.884472] ? qfq_delete_class+0x2d0/0x2d0 [ 132.888987] ? nla_parse+0x197/0x280 [ 132.892712] tc_ctl_tclass+0x3e9/0xba0 [ 132.896788] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 132.901903] ? find_held_lock+0x36/0x1d0 [ 132.906013] rtnetlink_rcv_msg+0x34f/0x8f0 [ 132.910610] ? rtnetlink_put_metrics+0x490/0x490 [ 132.916047] ? find_held_lock+0x36/0x1d0 [ 132.920557] netlink_rcv_skb+0x13e/0x3d0 [ 132.924924] ? lock_downgrade+0x860/0x860 [ 132.929562] ? rtnetlink_put_metrics+0x490/0x490 [ 132.934897] ? netlink_ack+0xa70/0xa70 [ 132.939061] ? netlink_deliver_tap+0x182/0xb00 [ 132.944115] rtnetlink_rcv+0x10/0x20 [ 132.947844] netlink_unicast+0x443/0x650 [ 132.951926] ? netlink_attachskb+0x6c0/0x6c0 [ 132.956469] ? _copy_from_iter_full+0x182/0x720 [ 132.961730] ? __check_object_size+0x1ef/0x310 [ 132.966401] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 132.972061] netlink_sendmsg+0x764/0xc60 [ 132.976558] ? netlink_unicast+0x650/0x650 [ 132.981018] ? apparmor_socket_sendmsg+0x1b/0x20 [ 132.985894] ? netlink_unicast+0x650/0x650 [ 132.990202] sock_sendmsg+0xb5/0xf0 [ 132.994658] ___sys_sendmsg+0x647/0x950 [ 132.998862] ? find_held_lock+0x36/0x1d0 [ 133.003316] ? copy_msghdr_from_user+0x430/0x430 [ 133.008156] ? __fget+0x278/0x400 [ 133.011596] ? kasan_check_read+0x11/0x20 [ 133.016152] ? __fget+0x295/0x400 [ 133.019699] ? expand_files.part.8+0x700/0x700 [ 133.024427] ? __f_unlock_pos+0xd/0x10 [ 133.028307] ? __fget_light+0x174/0x1e0 [ 133.033112] ? __fdget+0xe/0x10 [ 133.036599] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 133.041455] __sys_sendmsg+0xd9/0x180 [ 133.045346] ? __ia32_sys_shutdown+0x70/0x70 [ 133.049761] ? __sb_end_write+0xa4/0xd0 [ 133.053762] ? kasan_check_write+0x14/0x20 [ 133.057991] ? fput+0x18/0x120 [ 133.061316] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.066766] __x64_sys_sendmsg+0x73/0xb0 [ 133.071351] do_syscall_64+0xd0/0x4e0 [ 133.075386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.081298] RIP: 0033:0x463d89 [ 133.084486] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 133.104042] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 133.112218] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 133.120585] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 133.128200] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 133.135958] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 133.143534] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 133.153130] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 133.168789] FAULT_INJECTION: forcing a failure. [ 133.168789] name failslab, interval 1, probability 0, space 0, times 0 [ 133.182603] CPU: 0 PID: 9543 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 133.190555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.202519] Call Trace: [ 133.205118] dump_stack+0x123/0x171 [ 133.208754] should_fail.cold.4+0x5/0xa [ 133.213034] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 133.218223] ? lock_downgrade+0x860/0x860 [ 133.222734] ? ___might_sleep+0x16b/0x270 [ 133.227497] __should_failslab+0xba/0xf0 [ 133.231644] should_failslab+0x9/0x20 [ 133.235563] kmem_cache_alloc_trace+0x2cb/0x740 [ 133.240603] ? qfq_change_class+0xa93/0x14e0 [ 133.245046] ? qfq_change_class+0xa93/0x14e0 [ 133.249553] ? __local_bh_enable_ip+0x160/0x260 [ 133.254696] qfq_change_class+0xad9/0x14e0 [ 133.259297] ? qfq_delete_class+0x2d0/0x2d0 [ 133.263968] ? nla_parse+0x197/0x280 [ 133.267726] tc_ctl_tclass+0x3e9/0xba0 [ 133.272392] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 133.277950] ? find_held_lock+0x36/0x1d0 [ 133.282013] rtnetlink_rcv_msg+0x34f/0x8f0 [ 133.286529] ? rtnetlink_put_metrics+0x490/0x490 [ 133.291638] ? find_held_lock+0x36/0x1d0 [ 133.295791] netlink_rcv_skb+0x13e/0x3d0 [ 133.300067] ? lock_downgrade+0x860/0x860 [ 133.304241] ? rtnetlink_put_metrics+0x490/0x490 [ 133.309341] ? netlink_ack+0xa70/0xa70 [ 133.313891] ? netlink_deliver_tap+0x182/0xb00 [ 133.318792] rtnetlink_rcv+0x10/0x20 [ 133.322613] netlink_unicast+0x443/0x650 [ 133.327117] ? netlink_attachskb+0x6c0/0x6c0 [ 133.331876] ? _copy_from_iter_full+0x182/0x720 [ 133.336740] ? __check_object_size+0x1ef/0x310 [ 133.341505] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 133.347227] netlink_sendmsg+0x764/0xc60 [ 133.351419] ? netlink_unicast+0x650/0x650 [ 133.355733] ? apparmor_socket_sendmsg+0x1b/0x20 [ 133.362077] ? netlink_unicast+0x650/0x650 [ 133.366451] sock_sendmsg+0xb5/0xf0 [ 133.370102] ___sys_sendmsg+0x647/0x950 [ 133.374585] ? find_held_lock+0x36/0x1d0 [ 133.378643] ? copy_msghdr_from_user+0x430/0x430 [ 133.384183] ? __fget+0x278/0x400 [ 133.387640] ? kasan_check_read+0x11/0x20 [ 133.392113] ? __fget+0x295/0x400 [ 133.395640] ? expand_files.part.8+0x700/0x700 [ 133.400517] ? __f_unlock_pos+0xd/0x10 [ 133.404414] ? __fget_light+0x174/0x1e0 [ 133.408469] ? __fdget+0xe/0x10 [ 133.412300] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 133.417424] __sys_sendmsg+0xd9/0x180 [ 133.421230] ? __ia32_sys_shutdown+0x70/0x70 [ 133.425836] ? __sb_end_write+0xa4/0xd0 [ 133.430119] ? kasan_check_write+0x14/0x20 [ 133.434685] ? fput+0x18/0x120 [ 133.437876] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.443670] __x64_sys_sendmsg+0x73/0xb0 [ 133.448001] do_syscall_64+0xd0/0x4e0 [ 133.453091] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.458275] RIP: 0033:0x463d89 [ 133.461463] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 133.480834] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 133.488558] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 133.495999] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 133.503590] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 133.510921] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 133.518286] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 133.533424] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 133.555451] FAULT_INJECTION: forcing a failure. [ 133.555451] name failslab, interval 1, probability 0, space 0, times 0 [ 133.567502] CPU: 0 PID: 9553 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 133.575488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.585844] Call Trace: [ 133.588527] dump_stack+0x123/0x171 [ 133.592354] should_fail.cold.4+0x5/0xa [ 133.596330] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 133.601820] ? lock_downgrade+0x860/0x860 [ 133.606145] ? ___might_sleep+0x16b/0x270 [ 133.610477] __should_failslab+0xba/0xf0 [ 133.614713] should_failslab+0x9/0x20 [ 133.618512] kmem_cache_alloc_trace+0x2cb/0x740 [ 133.623287] ? qfq_change_class+0xa93/0x14e0 [ 133.627704] ? qfq_change_class+0xa93/0x14e0 [ 133.632189] ? __local_bh_enable_ip+0x160/0x260 [ 133.636883] qfq_change_class+0xad9/0x14e0 [ 133.641299] ? qfq_delete_class+0x2d0/0x2d0 [ 133.645807] ? nla_parse+0x197/0x280 [ 133.649520] tc_ctl_tclass+0x3e9/0xba0 [ 133.653398] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 133.658501] ? find_held_lock+0x36/0x1d0 [ 133.663136] rtnetlink_rcv_msg+0x34f/0x8f0 [ 133.667370] ? rtnetlink_put_metrics+0x490/0x490 [ 133.672204] ? find_held_lock+0x36/0x1d0 [ 133.676288] netlink_rcv_skb+0x13e/0x3d0 [ 133.680915] ? lock_downgrade+0x860/0x860 [ 133.685064] ? rtnetlink_put_metrics+0x490/0x490 [ 133.689819] ? netlink_ack+0xa70/0xa70 [ 133.693785] ? netlink_deliver_tap+0x182/0xb00 [ 133.698359] rtnetlink_rcv+0x10/0x20 [ 133.702161] netlink_unicast+0x443/0x650 [ 133.706225] ? netlink_attachskb+0x6c0/0x6c0 [ 133.710805] ? _copy_from_iter_full+0x182/0x720 [ 133.715903] ? __check_object_size+0x1ef/0x310 [ 133.720721] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 133.726682] netlink_sendmsg+0x764/0xc60 [ 133.730864] ? netlink_unicast+0x650/0x650 [ 133.735553] ? apparmor_socket_sendmsg+0x1b/0x20 [ 133.740308] ? netlink_unicast+0x650/0x650 [ 133.744628] sock_sendmsg+0xb5/0xf0 [ 133.748456] ___sys_sendmsg+0x647/0x950 [ 133.752750] ? find_held_lock+0x36/0x1d0 [ 133.756800] ? copy_msghdr_from_user+0x430/0x430 [ 133.761541] ? __fget+0x278/0x400 [ 133.764986] ? kasan_check_read+0x11/0x20 [ 133.769314] ? __fget+0x295/0x400 [ 133.772765] ? expand_files.part.8+0x700/0x700 [ 133.777544] ? __f_unlock_pos+0xd/0x10 [ 133.781427] ? __fget_light+0x174/0x1e0 [ 133.785401] ? __fdget+0xe/0x10 [ 133.788767] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 133.794306] __sys_sendmsg+0xd9/0x180 [ 133.798311] ? __ia32_sys_shutdown+0x70/0x70 [ 133.802886] ? __sb_end_write+0xa4/0xd0 [ 133.806975] ? kasan_check_write+0x14/0x20 [ 133.811253] ? fput+0x18/0x120 [ 133.814983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.820468] __x64_sys_sendmsg+0x73/0xb0 [ 133.824704] do_syscall_64+0xd0/0x4e0 [ 133.828510] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.833886] RIP: 0033:0x463d89 [ 133.837071] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 133.856572] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 133.864622] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 133.872141] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 133.880303] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 133.888042] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 133.898626] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 133.911482] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 133.943065] FAULT_INJECTION: forcing a failure. [ 133.943065] name failslab, interval 1, probability 0, space 0, times 0 [ 133.956756] CPU: 1 PID: 9563 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 133.964939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.975297] Call Trace: [ 133.977978] dump_stack+0x123/0x171 [ 133.981711] should_fail.cold.4+0x5/0xa [ 133.986067] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 133.991395] ? lock_downgrade+0x860/0x860 [ 133.996178] ? ___might_sleep+0x16b/0x270 [ 134.000611] __should_failslab+0xba/0xf0 [ 134.005173] should_failslab+0x9/0x20 [ 134.008992] kmem_cache_alloc_trace+0x2cb/0x740 [ 134.013999] ? qfq_change_class+0xa93/0x14e0 [ 134.018595] ? qfq_change_class+0xa93/0x14e0 [ 134.023149] ? __local_bh_enable_ip+0x160/0x260 [ 134.028268] qfq_change_class+0xad9/0x14e0 [ 134.032693] ? qfq_delete_class+0x2d0/0x2d0 [ 134.037014] ? nla_parse+0x197/0x280 [ 134.041277] tc_ctl_tclass+0x3e9/0xba0 [ 134.045459] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 134.051043] ? find_held_lock+0x36/0x1d0 [ 134.055214] rtnetlink_rcv_msg+0x34f/0x8f0 [ 134.059830] ? rtnetlink_put_metrics+0x490/0x490 [ 134.065131] ? find_held_lock+0x36/0x1d0 [ 134.069435] netlink_rcv_skb+0x13e/0x3d0 [ 134.073498] ? lock_downgrade+0x860/0x860 [ 134.077835] ? rtnetlink_put_metrics+0x490/0x490 [ 134.082757] ? netlink_ack+0xa70/0xa70 [ 134.086655] ? netlink_deliver_tap+0x182/0xb00 [ 134.091357] rtnetlink_rcv+0x10/0x20 [ 134.095372] netlink_unicast+0x443/0x650 [ 134.099536] ? netlink_attachskb+0x6c0/0x6c0 [ 134.104041] ? _copy_from_iter_full+0x182/0x720 [ 134.109266] ? __check_object_size+0x1ef/0x310 [ 134.114195] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 134.119982] netlink_sendmsg+0x764/0xc60 [ 134.124144] ? netlink_unicast+0x650/0x650 [ 134.128823] ? apparmor_socket_sendmsg+0x1b/0x20 [ 134.133761] ? netlink_unicast+0x650/0x650 [ 134.138352] sock_sendmsg+0xb5/0xf0 [ 134.142223] ___sys_sendmsg+0x647/0x950 [ 134.146615] ? find_held_lock+0x36/0x1d0 [ 134.151236] ? copy_msghdr_from_user+0x430/0x430 [ 134.156775] ? __fget+0x278/0x400 [ 134.160845] ? kasan_check_read+0x11/0x20 [ 134.165541] ? __fget+0x295/0x400 [ 134.169422] ? expand_files.part.8+0x700/0x700 [ 134.175262] ? __f_unlock_pos+0xd/0x10 [ 134.180128] ? __fget_light+0x174/0x1e0 [ 134.184594] ? __fdget+0xe/0x10 [ 134.188291] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 134.193416] __sys_sendmsg+0xd9/0x180 [ 134.197908] ? __ia32_sys_shutdown+0x70/0x70 [ 134.203050] ? __sb_end_write+0xa4/0xd0 [ 134.207414] ? kasan_check_write+0x14/0x20 [ 134.211751] ? fput+0x18/0x120 [ 134.215080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.221173] __x64_sys_sendmsg+0x73/0xb0 [ 134.225739] do_syscall_64+0xd0/0x4e0 [ 134.230665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.236470] RIP: 0033:0x463d89 [ 134.239994] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 134.260828] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.269563] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 134.277446] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 134.284922] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 134.293357] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 134.301295] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 134.310332] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 134.326896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 134.344122] FAULT_INJECTION: forcing a failure. [ 134.344122] name failslab, interval 1, probability 0, space 0, times 0 [ 134.359748] CPU: 1 PID: 9582 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 134.368274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.378028] Call Trace: [ 134.380717] dump_stack+0x123/0x171 [ 134.384696] should_fail.cold.4+0x5/0xa [ 134.388976] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 134.394309] ? lock_downgrade+0x860/0x860 [ 134.398518] ? ___might_sleep+0x16b/0x270 [ 134.402935] __should_failslab+0xba/0xf0 [ 134.407380] should_failslab+0x9/0x20 [ 134.411346] kmem_cache_alloc_trace+0x2cb/0x740 [ 134.416060] ? qfq_change_class+0xa93/0x14e0 [ 134.420630] ? qfq_change_class+0xa93/0x14e0 [ 134.425380] ? __local_bh_enable_ip+0x160/0x260 [ 134.430159] qfq_change_class+0xad9/0x14e0 [ 134.434597] ? qfq_delete_class+0x2d0/0x2d0 [ 134.439124] ? nla_parse+0x197/0x280 [ 134.443193] tc_ctl_tclass+0x3e9/0xba0 [ 134.447297] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 134.452492] ? find_held_lock+0x36/0x1d0 [ 134.457073] rtnetlink_rcv_msg+0x34f/0x8f0 [ 134.461582] ? rtnetlink_put_metrics+0x490/0x490 [ 134.466660] ? find_held_lock+0x36/0x1d0 [ 134.470930] netlink_rcv_skb+0x13e/0x3d0 [ 134.475113] ? lock_downgrade+0x860/0x860 [ 134.479418] ? rtnetlink_put_metrics+0x490/0x490 [ 134.484500] ? netlink_ack+0xa70/0xa70 [ 134.488467] ? netlink_deliver_tap+0x182/0xb00 [ 134.493138] rtnetlink_rcv+0x10/0x20 [ 134.496859] netlink_unicast+0x443/0x650 [ 134.500933] ? netlink_attachskb+0x6c0/0x6c0 [ 134.505458] ? _copy_from_iter_full+0x182/0x720 [ 134.510381] ? __check_object_size+0x1ef/0x310 [ 134.515012] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 134.520539] netlink_sendmsg+0x764/0xc60 [ 134.524790] ? netlink_unicast+0x650/0x650 [ 134.529028] ? apparmor_socket_sendmsg+0x1b/0x20 [ 134.534019] ? netlink_unicast+0x650/0x650 [ 134.538247] sock_sendmsg+0xb5/0xf0 [ 134.541993] ___sys_sendmsg+0x647/0x950 [ 134.546045] ? find_held_lock+0x36/0x1d0 [ 134.550100] ? copy_msghdr_from_user+0x430/0x430 [ 134.554922] ? __fget+0x278/0x400 [ 134.558679] ? kasan_check_read+0x11/0x20 [ 134.562961] ? __fget+0x295/0x400 [ 134.566405] ? expand_files.part.8+0x700/0x700 [ 134.571061] ? __f_unlock_pos+0xd/0x10 [ 134.575043] ? __fget_light+0x174/0x1e0 [ 134.579373] ? __fdget+0xe/0x10 [ 134.582644] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 134.587469] __sys_sendmsg+0xd9/0x180 [ 134.591249] ? __ia32_sys_shutdown+0x70/0x70 [ 134.595638] ? __sb_end_write+0xa4/0xd0 [ 134.599890] ? kasan_check_write+0x14/0x20 [ 134.604112] ? fput+0x18/0x120 [ 134.607380] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.613000] __x64_sys_sendmsg+0x73/0xb0 [ 134.617182] do_syscall_64+0xd0/0x4e0 [ 134.621280] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.626550] RIP: 0033:0x463d89 [ 134.629729] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 134.649051] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.656927] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 134.664734] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 134.672413] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 134.680188] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 134.687926] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 134.697553] FAULT_INJECTION: forcing a failure. [ 134.697553] name failslab, interval 1, probability 0, space 0, times 0 [ 134.710841] CPU: 1 PID: 9583 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 134.718740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.728381] Call Trace: [ 134.731060] dump_stack+0x123/0x171 [ 134.734882] should_fail.cold.4+0x5/0xa [ 134.738863] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 134.744392] ? lock_downgrade+0x860/0x860 [ 134.748886] ? ___might_sleep+0x16b/0x270 [ 134.753496] __should_failslab+0xba/0xf0 [ 134.757965] should_failslab+0x9/0x20 [ 134.761905] kmem_cache_alloc_trace+0x2cb/0x740 [ 134.766781] ? qfq_change_class+0xa93/0x14e0 [ 134.771190] ? qfq_change_class+0xa93/0x14e0 [ 134.776042] ? __local_bh_enable_ip+0x160/0x260 [ 134.781075] qfq_change_class+0xad9/0x14e0 [ 134.785405] ? qfq_delete_class+0x2d0/0x2d0 [ 134.789812] ? nla_parse+0x197/0x280 [ 134.793538] tc_ctl_tclass+0x3e9/0xba0 [ 134.797515] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 134.802711] ? find_held_lock+0x36/0x1d0 [ 134.806788] rtnetlink_rcv_msg+0x34f/0x8f0 [ 134.811317] ? rtnetlink_put_metrics+0x490/0x490 [ 134.816541] ? find_held_lock+0x36/0x1d0 [ 134.822051] netlink_rcv_skb+0x13e/0x3d0 [ 134.826110] ? lock_downgrade+0x860/0x860 [ 134.830379] ? rtnetlink_put_metrics+0x490/0x490 [ 134.835478] ? netlink_ack+0xa70/0xa70 [ 134.839805] ? netlink_deliver_tap+0x182/0xb00 [ 134.844872] rtnetlink_rcv+0x10/0x20 [ 134.849283] netlink_unicast+0x443/0x650 [ 134.853448] ? netlink_attachskb+0x6c0/0x6c0 [ 134.858127] ? _copy_from_iter_full+0x182/0x720 [ 134.863206] ? __check_object_size+0x1ef/0x310 [ 134.868047] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 134.874208] netlink_sendmsg+0x764/0xc60 [ 134.878544] ? netlink_unicast+0x650/0x650 [ 134.883462] ? apparmor_socket_sendmsg+0x1b/0x20 [ 134.888751] ? netlink_unicast+0x650/0x650 [ 134.892990] sock_sendmsg+0xb5/0xf0 [ 134.896795] ___sys_sendmsg+0x647/0x950 [ 134.900945] ? find_held_lock+0x36/0x1d0 [ 134.905019] ? copy_msghdr_from_user+0x430/0x430 [ 134.910118] ? __fget+0x278/0x400 [ 134.913954] ? kasan_check_read+0x11/0x20 [ 134.918557] ? __fget+0x295/0x400 [ 134.922250] ? expand_files.part.8+0x700/0x700 [ 134.927544] ? __f_unlock_pos+0xd/0x10 [ 134.931688] ? __fget_light+0x174/0x1e0 [ 134.935660] ? __fdget+0xe/0x10 [ 134.939376] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 134.944499] __sys_sendmsg+0xd9/0x180 [ 134.948483] ? __ia32_sys_shutdown+0x70/0x70 [ 134.953106] ? __sb_end_write+0xa4/0xd0 [ 134.957160] ? kasan_check_write+0x14/0x20 [ 134.962024] ? fput+0x18/0x120 [ 134.965595] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.970982] __x64_sys_sendmsg+0x73/0xb0 [ 134.975326] do_syscall_64+0xd0/0x4e0 [ 134.979144] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.984460] RIP: 0033:0x463d89 [ 134.987850] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 135.008051] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.016152] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 135.024002] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 135.031287] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 135.038954] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 135.046628] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 135.056104] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 135.071512] FAULT_INJECTION: forcing a failure. [ 135.071512] name failslab, interval 1, probability 0, space 0, times 0 [ 135.089120] CPU: 1 PID: 9593 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 135.097296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.107171] Call Trace: [ 135.109855] dump_stack+0x123/0x171 [ 135.113702] should_fail.cold.4+0x5/0xa [ 135.117921] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 135.123287] ? lock_downgrade+0x860/0x860 [ 135.127809] ? ___might_sleep+0x16b/0x270 [ 135.132115] __should_failslab+0xba/0xf0 [ 135.136290] should_failslab+0x9/0x20 [ 135.140348] kmem_cache_alloc_trace+0x2cb/0x740 [ 135.145186] ? qfq_change_class+0xa93/0x14e0 [ 135.150025] ? qfq_change_class+0xa93/0x14e0 [ 135.154640] ? __local_bh_enable_ip+0x160/0x260 [ 135.159595] qfq_change_class+0xad9/0x14e0 [ 135.164001] ? qfq_delete_class+0x2d0/0x2d0 [ 135.168397] ? nla_parse+0x197/0x280 [ 135.172098] tc_ctl_tclass+0x3e9/0xba0 [ 135.175991] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 135.181407] ? find_held_lock+0x36/0x1d0 [ 135.185780] rtnetlink_rcv_msg+0x34f/0x8f0 [ 135.190066] ? rtnetlink_put_metrics+0x490/0x490 [ 135.194971] ? find_held_lock+0x36/0x1d0 [ 135.199039] netlink_rcv_skb+0x13e/0x3d0 [ 135.203089] ? lock_downgrade+0x860/0x860 [ 135.207348] ? rtnetlink_put_metrics+0x490/0x490 [ 135.212184] ? netlink_ack+0xa70/0xa70 [ 135.216200] ? netlink_deliver_tap+0x182/0xb00 [ 135.220830] rtnetlink_rcv+0x10/0x20 [ 135.224644] netlink_unicast+0x443/0x650 [ 135.228693] ? netlink_attachskb+0x6c0/0x6c0 [ 135.233232] ? _copy_from_iter_full+0x182/0x720 [ 135.238150] ? __check_object_size+0x1ef/0x310 [ 135.242896] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 135.249047] netlink_sendmsg+0x764/0xc60 [ 135.253116] ? netlink_unicast+0x650/0x650 [ 135.257362] ? apparmor_socket_sendmsg+0x1b/0x20 [ 135.262283] ? netlink_unicast+0x650/0x650 [ 135.266583] sock_sendmsg+0xb5/0xf0 [ 135.270507] ___sys_sendmsg+0x647/0x950 [ 135.274977] ? find_held_lock+0x36/0x1d0 [ 135.279137] ? copy_msghdr_from_user+0x430/0x430 [ 135.284023] ? __fget+0x278/0x400 [ 135.288040] ? kasan_check_read+0x11/0x20 [ 135.292200] ? __fget+0x295/0x400 [ 135.295840] ? expand_files.part.8+0x700/0x700 [ 135.300616] ? __f_unlock_pos+0xd/0x10 [ 135.304614] ? __fget_light+0x174/0x1e0 [ 135.308704] ? __fdget+0xe/0x10 [ 135.312226] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 135.317153] __sys_sendmsg+0xd9/0x180 [ 135.321138] ? __ia32_sys_shutdown+0x70/0x70 [ 135.325708] ? __sb_end_write+0xa4/0xd0 [ 135.329679] ? kasan_check_write+0x14/0x20 [ 135.334140] ? fput+0x18/0x120 [ 135.337324] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.342861] __x64_sys_sendmsg+0x73/0xb0 [ 135.346911] do_syscall_64+0xd0/0x4e0 [ 135.351248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.357089] RIP: 0033:0x463d89 [ 135.361103] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 135.384400] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.393331] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 135.400952] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 135.408303] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 135.415653] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 135.423192] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 135.452598] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 135.470370] FAULT_INJECTION: forcing a failure. [ 135.470370] name failslab, interval 1, probability 0, space 0, times 0 [ 135.482814] CPU: 1 PID: 9603 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 135.490708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.500696] Call Trace: [ 135.503488] dump_stack+0x123/0x171 [ 135.507383] should_fail.cold.4+0x5/0xa [ 135.511540] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 135.516915] ? lock_downgrade+0x860/0x860 [ 135.521052] ? ___might_sleep+0x16b/0x270 [ 135.525199] __should_failslab+0xba/0xf0 [ 135.529255] should_failslab+0x9/0x20 [ 135.533128] kmem_cache_alloc_trace+0x2cb/0x740 [ 135.538044] ? qfq_change_class+0xa93/0x14e0 [ 135.542613] ? qfq_change_class+0xa93/0x14e0 [ 135.547072] ? __local_bh_enable_ip+0x160/0x260 [ 135.552165] qfq_change_class+0xad9/0x14e0 [ 135.556605] ? qfq_delete_class+0x2d0/0x2d0 [ 135.561173] ? nla_parse+0x197/0x280 [ 135.565153] tc_ctl_tclass+0x3e9/0xba0 [ 135.569450] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 135.574779] ? find_held_lock+0x36/0x1d0 [ 135.579138] rtnetlink_rcv_msg+0x34f/0x8f0 [ 135.583462] ? rtnetlink_put_metrics+0x490/0x490 [ 135.588624] ? find_held_lock+0x36/0x1d0 [ 135.592839] netlink_rcv_skb+0x13e/0x3d0 [ 135.597020] ? lock_downgrade+0x860/0x860 [ 135.601158] ? rtnetlink_put_metrics+0x490/0x490 [ 135.606000] ? netlink_ack+0xa70/0xa70 [ 135.610028] ? netlink_deliver_tap+0x182/0xb00 [ 135.615238] rtnetlink_rcv+0x10/0x20 [ 135.619037] netlink_unicast+0x443/0x650 [ 135.623636] ? netlink_attachskb+0x6c0/0x6c0 [ 135.628324] ? _copy_from_iter_full+0x182/0x720 [ 135.633394] ? __check_object_size+0x1ef/0x310 [ 135.638169] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 135.643698] netlink_sendmsg+0x764/0xc60 [ 135.647948] ? netlink_unicast+0x650/0x650 [ 135.652288] ? apparmor_socket_sendmsg+0x1b/0x20 [ 135.657287] ? netlink_unicast+0x650/0x650 [ 135.661610] sock_sendmsg+0xb5/0xf0 [ 135.665293] ___sys_sendmsg+0x647/0x950 [ 135.669375] ? find_held_lock+0x36/0x1d0 [ 135.673663] ? copy_msghdr_from_user+0x430/0x430 [ 135.678513] ? __fget+0x278/0x400 [ 135.681990] ? kasan_check_read+0x11/0x20 [ 135.686145] ? __fget+0x295/0x400 [ 135.689782] ? expand_files.part.8+0x700/0x700 [ 135.694573] ? __f_unlock_pos+0xd/0x10 [ 135.698505] ? __fget_light+0x174/0x1e0 [ 135.702488] ? __fdget+0xe/0x10 [ 135.705754] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 135.710968] __sys_sendmsg+0xd9/0x180 [ 135.714761] ? __ia32_sys_shutdown+0x70/0x70 [ 135.719642] ? __sb_end_write+0xa4/0xd0 [ 135.723890] ? kasan_check_write+0x14/0x20 [ 135.728351] ? fput+0x18/0x120 [ 135.731563] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.737026] __x64_sys_sendmsg+0x73/0xb0 [ 135.741109] do_syscall_64+0xd0/0x4e0 [ 135.745100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.750617] RIP: 0033:0x463d89 [ 135.753792] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 135.773996] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.782062] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 135.789429] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 135.796976] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 135.804327] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 135.811777] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 135.821744] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 135.839319] FAULT_INJECTION: forcing a failure. [ 135.839319] name failslab, interval 1, probability 0, space 0, times 0 [ 135.851467] CPU: 1 PID: 9624 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 135.859633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.869292] Call Trace: [ 135.871881] dump_stack+0x123/0x171 [ 135.875559] should_fail.cold.4+0x5/0xa [ 135.879622] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 135.884811] ? lock_downgrade+0x860/0x860 [ 135.889615] ? ___might_sleep+0x16b/0x270 [ 135.894309] __should_failslab+0xba/0xf0 [ 135.898379] should_failslab+0x9/0x20 [ 135.902279] kmem_cache_alloc_trace+0x2cb/0x740 [ 135.907255] ? qfq_change_class+0xa93/0x14e0 [ 135.911775] ? qfq_change_class+0xa93/0x14e0 [ 135.916967] ? __local_bh_enable_ip+0x160/0x260 [ 135.921939] qfq_change_class+0xad9/0x14e0 [ 135.926580] ? qfq_delete_class+0x2d0/0x2d0 [ 135.931414] ? nla_parse+0x197/0x280 [ 135.935390] tc_ctl_tclass+0x3e9/0xba0 [ 135.939600] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 135.944723] ? find_held_lock+0x36/0x1d0 [ 135.948880] rtnetlink_rcv_msg+0x34f/0x8f0 [ 135.953382] ? rtnetlink_put_metrics+0x490/0x490 [ 135.958307] ? find_held_lock+0x36/0x1d0 [ 135.962678] netlink_rcv_skb+0x13e/0x3d0 [ 135.966836] ? lock_downgrade+0x860/0x860 [ 135.971148] ? rtnetlink_put_metrics+0x490/0x490 [ 135.976004] ? netlink_ack+0xa70/0xa70 [ 135.979999] ? netlink_deliver_tap+0x182/0xb00 [ 135.984574] rtnetlink_rcv+0x10/0x20 [ 135.988376] netlink_unicast+0x443/0x650 [ 135.992693] ? netlink_attachskb+0x6c0/0x6c0 [ 135.997551] ? _copy_from_iter_full+0x182/0x720 [ 136.002394] ? __check_object_size+0x1ef/0x310 [ 136.007155] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 136.013227] netlink_sendmsg+0x764/0xc60 [ 136.017280] ? netlink_unicast+0x650/0x650 [ 136.021519] ? apparmor_socket_sendmsg+0x1b/0x20 [ 136.026465] ? netlink_unicast+0x650/0x650 [ 136.030967] sock_sendmsg+0xb5/0xf0 [ 136.034599] ___sys_sendmsg+0x647/0x950 [ 136.038774] ? find_held_lock+0x36/0x1d0 [ 136.044049] ? copy_msghdr_from_user+0x430/0x430 [ 136.049145] ? __fget+0x278/0x400 [ 136.052673] ? kasan_check_read+0x11/0x20 [ 136.056978] ? __fget+0x295/0x400 [ 136.060446] ? expand_files.part.8+0x700/0x700 [ 136.065245] ? __f_unlock_pos+0xd/0x10 [ 136.069315] ? __fget_light+0x174/0x1e0 [ 136.073281] ? __fdget+0xe/0x10 [ 136.076646] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 136.081594] __sys_sendmsg+0xd9/0x180 [ 136.085389] ? __ia32_sys_shutdown+0x70/0x70 [ 136.089794] ? __sb_end_write+0xa4/0xd0 [ 136.093980] ? kasan_check_write+0x14/0x20 [ 136.098377] ? fput+0x18/0x120 [ 136.101685] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.107332] __x64_sys_sendmsg+0x73/0xb0 [ 136.111498] do_syscall_64+0xd0/0x4e0 [ 136.115409] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.120918] RIP: 0033:0x463d89 [ 136.124614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 136.144367] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.152371] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 136.160416] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 136.168039] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 136.175888] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 136.183795] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 136.206338] FAULT_INJECTION: forcing a failure. [ 136.206338] name failslab, interval 1, probability 0, space 0, times 0 [ 136.228223] CPU: 1 PID: 9627 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 136.236407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.246402] Call Trace: [ 136.249005] dump_stack+0x123/0x171 [ 136.252703] should_fail.cold.4+0x5/0xa [ 136.256762] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 136.262262] ? lock_downgrade+0x860/0x860 [ 136.266593] ? ___might_sleep+0x16b/0x270 [ 136.270933] __should_failslab+0xba/0xf0 [ 136.275218] should_failslab+0x9/0x20 [ 136.279205] kmem_cache_alloc_trace+0x2cb/0x740 [ 136.284002] ? qfq_change_class+0xa93/0x14e0 [ 136.288846] ? qfq_change_class+0xa93/0x14e0 [ 136.293257] ? __local_bh_enable_ip+0x160/0x260 [ 136.298223] qfq_change_class+0xad9/0x14e0 [ 136.302850] ? qfq_delete_class+0x2d0/0x2d0 [ 136.307181] ? nla_parse+0x197/0x280 [ 136.311089] tc_ctl_tclass+0x3e9/0xba0 [ 136.315443] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 136.321172] ? find_held_lock+0x36/0x1d0 [ 136.325433] rtnetlink_rcv_msg+0x34f/0x8f0 [ 136.330024] ? rtnetlink_put_metrics+0x490/0x490 [ 136.335125] ? find_held_lock+0x36/0x1d0 [ 136.339170] netlink_rcv_skb+0x13e/0x3d0 [ 136.343211] ? lock_downgrade+0x860/0x860 [ 136.347356] ? rtnetlink_put_metrics+0x490/0x490 [ 136.352177] ? netlink_ack+0xa70/0xa70 [ 136.357104] ? netlink_deliver_tap+0x182/0xb00 [ 136.361884] rtnetlink_rcv+0x10/0x20 [ 136.365863] netlink_unicast+0x443/0x650 [ 136.369934] ? netlink_attachskb+0x6c0/0x6c0 [ 136.374388] ? _copy_from_iter_full+0x182/0x720 [ 136.379532] ? __check_object_size+0x1ef/0x310 [ 136.385431] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 136.391221] netlink_sendmsg+0x764/0xc60 [ 136.395383] ? netlink_unicast+0x650/0x650 [ 136.400114] ? apparmor_socket_sendmsg+0x1b/0x20 [ 136.405062] ? netlink_unicast+0x650/0x650 [ 136.409280] sock_sendmsg+0xb5/0xf0 [ 136.413176] ___sys_sendmsg+0x647/0x950 [ 136.417253] ? find_held_lock+0x36/0x1d0 [ 136.421315] ? copy_msghdr_from_user+0x430/0x430 [ 136.426170] ? __fget+0x278/0x400 [ 136.429609] ? kasan_check_read+0x11/0x20 [ 136.434020] ? __fget+0x295/0x400 [ 136.437641] ? expand_files.part.8+0x700/0x700 [ 136.442328] ? __f_unlock_pos+0xd/0x10 [ 136.446198] ? __fget_light+0x174/0x1e0 [ 136.450391] ? __fdget+0xe/0x10 [ 136.453758] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 136.458676] __sys_sendmsg+0xd9/0x180 [ 136.462543] ? __ia32_sys_shutdown+0x70/0x70 [ 136.467125] ? __sb_end_write+0xa4/0xd0 [ 136.471354] ? kasan_check_write+0x14/0x20 [ 136.475763] ? fput+0x18/0x120 [ 136.478943] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.484297] __x64_sys_sendmsg+0x73/0xb0 [ 136.488532] do_syscall_64+0xd0/0x4e0 [ 136.492400] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.497643] RIP: 0033:0x463d89 [ 136.501176] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 136.520800] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.530127] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 136.537388] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 136.544643] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 136.551892] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 136.559144] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 136.577878] FAULT_INJECTION: forcing a failure. [ 136.577878] name failslab, interval 1, probability 0, space 0, times 0 [ 136.603587] CPU: 1 PID: 9633 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 136.611421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.620784] Call Trace: [ 136.623380] dump_stack+0x123/0x171 [ 136.627040] should_fail.cold.4+0x5/0xa [ 136.630999] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 136.636228] ? lock_downgrade+0x860/0x860 [ 136.640820] ? ___might_sleep+0x16b/0x270 [ 136.644957] __should_failslab+0xba/0xf0 [ 136.649101] should_failslab+0x9/0x20 [ 136.653055] kmem_cache_alloc_trace+0x2cb/0x740 [ 136.658293] ? qfq_change_class+0xa93/0x14e0 [ 136.662710] ? qfq_change_class+0xa93/0x14e0 [ 136.667118] ? __local_bh_enable_ip+0x160/0x260 [ 136.671770] qfq_change_class+0xad9/0x14e0 [ 136.676003] ? qfq_delete_class+0x2d0/0x2d0 [ 136.680410] ? nla_parse+0x197/0x280 [ 136.684283] tc_ctl_tclass+0x3e9/0xba0 [ 136.688175] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 136.693284] ? find_held_lock+0x36/0x1d0 [ 136.697619] rtnetlink_rcv_msg+0x34f/0x8f0 [ 136.703145] ? rtnetlink_put_metrics+0x490/0x490 [ 136.707886] ? find_held_lock+0x36/0x1d0 [ 136.712015] netlink_rcv_skb+0x13e/0x3d0 [ 136.716160] ? lock_downgrade+0x860/0x860 [ 136.720374] ? rtnetlink_put_metrics+0x490/0x490 [ 136.725195] ? netlink_ack+0xa70/0xa70 [ 136.729226] ? netlink_deliver_tap+0x182/0xb00 [ 136.734507] rtnetlink_rcv+0x10/0x20 [ 136.739033] netlink_unicast+0x443/0x650 [ 136.743539] ? netlink_attachskb+0x6c0/0x6c0 [ 136.748027] ? _copy_from_iter_full+0x182/0x720 [ 136.752781] ? __check_object_size+0x1ef/0x310 [ 136.757476] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 136.763018] netlink_sendmsg+0x764/0xc60 [ 136.767357] ? netlink_unicast+0x650/0x650 [ 136.771665] ? apparmor_socket_sendmsg+0x1b/0x20 [ 136.776443] ? netlink_unicast+0x650/0x650 [ 136.780932] sock_sendmsg+0xb5/0xf0 [ 136.784543] ___sys_sendmsg+0x647/0x950 [ 136.788627] ? find_held_lock+0x36/0x1d0 [ 136.793013] ? copy_msghdr_from_user+0x430/0x430 [ 136.797846] ? __fget+0x278/0x400 [ 136.801284] ? kasan_check_read+0x11/0x20 [ 136.805417] ? __fget+0x295/0x400 [ 136.809248] ? expand_files.part.8+0x700/0x700 [ 136.813949] ? __f_unlock_pos+0xd/0x10 [ 136.817869] ? __fget_light+0x174/0x1e0 [ 136.822034] ? __fdget+0xe/0x10 [ 136.825328] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 136.830155] __sys_sendmsg+0xd9/0x180 [ 136.834140] ? __ia32_sys_shutdown+0x70/0x70 [ 136.838551] ? __sb_end_write+0xa4/0xd0 [ 136.842526] ? kasan_check_write+0x14/0x20 [ 136.846782] ? fput+0x18/0x120 [ 136.849973] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.855339] __x64_sys_sendmsg+0x73/0xb0 [ 136.859384] do_syscall_64+0xd0/0x4e0 [ 136.863543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.868830] RIP: 0033:0x463d89 [ 136.872936] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 136.892375] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.900165] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 136.907537] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 136.915071] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 136.923004] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 136.930489] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 136.956452] FAULT_INJECTION: forcing a failure. [ 136.956452] name failslab, interval 1, probability 0, space 0, times 0 [ 136.969681] FAULT_INJECTION: forcing a failure. [ 136.969681] name failslab, interval 1, probability 0, space 0, times 0 [ 136.969691] FAULT_INJECTION: forcing a failure. [ 136.969691] name failslab, interval 1, probability 0, space 0, times 0 [ 136.988240] CPU: 1 PID: 9682 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 137.002306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.012190] Call Trace: [ 137.014879] dump_stack+0x123/0x171 [ 137.018504] should_fail.cold.4+0x5/0xa [ 137.022505] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 137.028060] __should_failslab+0xba/0xf0 [ 137.032598] should_failslab+0x9/0x20 [ 137.036474] kmem_cache_alloc+0x47/0x720 [ 137.041057] ? lock_acquire+0x173/0x3d0 [ 137.045251] skb_clone+0x115/0x340 [ 137.049047] netlink_deliver_tap+0x7d7/0xb00 [ 137.053638] __netlink_sendskb+0x62/0xc0 [ 137.057864] netlink_unicast+0x4ea/0x650 [ 137.062179] ? netlink_attachskb+0x6c0/0x6c0 [ 137.067111] netlink_ack+0x519/0xa70 [ 137.070917] ? netlink_sendmsg+0xc60/0xc60 [ 137.075478] ? find_held_lock+0x36/0x1d0 [ 137.079885] netlink_rcv_skb+0x2a8/0x3d0 [ 137.083941] ? lock_downgrade+0x860/0x860 [ 137.088270] ? rtnetlink_put_metrics+0x490/0x490 [ 137.093122] ? netlink_ack+0xa70/0xa70 [ 137.097079] ? netlink_deliver_tap+0x182/0xb00 [ 137.102028] rtnetlink_rcv+0x10/0x20 [ 137.105910] netlink_unicast+0x443/0x650 [ 137.110141] ? netlink_attachskb+0x6c0/0x6c0 [ 137.114792] ? _copy_from_iter_full+0x182/0x720 [ 137.119533] ? __check_object_size+0x1ef/0x310 [ 137.124093] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 137.129792] netlink_sendmsg+0x764/0xc60 [ 137.133852] ? netlink_unicast+0x650/0x650 [ 137.138268] ? apparmor_socket_sendmsg+0x1b/0x20 [ 137.143197] ? netlink_unicast+0x650/0x650 [ 137.147414] sock_sendmsg+0xb5/0xf0 [ 137.151111] ___sys_sendmsg+0x647/0x950 [ 137.155335] ? find_held_lock+0x36/0x1d0 [ 137.159485] ? copy_msghdr_from_user+0x430/0x430 [ 137.164237] ? __fget+0x278/0x400 [ 137.168171] ? kasan_check_read+0x11/0x20 [ 137.172750] ? __fget+0x295/0x400 [ 137.176387] ? expand_files.part.8+0x700/0x700 [ 137.181042] ? __f_unlock_pos+0xd/0x10 [ 137.184930] ? __fget_light+0x174/0x1e0 [ 137.188975] ? __fdget+0xe/0x10 [ 137.192439] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 137.197870] __sys_sendmsg+0xd9/0x180 [ 137.201836] ? __ia32_sys_shutdown+0x70/0x70 [ 137.206508] ? __sb_end_write+0xa4/0xd0 [ 137.210551] ? kasan_check_write+0x14/0x20 [ 137.215186] ? fput+0x18/0x120 [ 137.218379] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.224013] __x64_sys_sendmsg+0x73/0xb0 [ 137.228061] do_syscall_64+0xd0/0x4e0 [ 137.231846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.237548] RIP: 0033:0x463d89 [ 137.240814] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 137.260319] RSP: 002b:00007f366ea02198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.268109] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 137.275537] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 137.283061] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 137.290629] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 137.298003] R13: 00007f366ea026bc R14: 0000000000000009 R15: 0000000000000001 [ 137.305451] CPU: 0 PID: 9651 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 137.313630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.323234] Call Trace: [ 137.325858] dump_stack+0x123/0x171 [ 137.329667] should_fail.cold.4+0x5/0xa [ 137.333658] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 137.338770] ? lock_downgrade+0x860/0x860 [ 137.342917] ? ___might_sleep+0x16b/0x270 [ 137.347170] __should_failslab+0xba/0xf0 [ 137.351489] should_failslab+0x9/0x20 [ 137.355453] kmem_cache_alloc_trace+0x2cb/0x740 [ 137.360810] ? qfq_change_class+0xa93/0x14e0 [ 137.365212] ? qfq_change_class+0xa93/0x14e0 [ 137.369891] ? __local_bh_enable_ip+0x160/0x260 [ 137.374558] qfq_change_class+0xad9/0x14e0 [ 137.378860] ? qfq_delete_class+0x2d0/0x2d0 [ 137.383731] ? nla_parse+0x197/0x280 [ 137.387677] tc_ctl_tclass+0x3e9/0xba0 [ 137.391556] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 137.396652] ? find_held_lock+0x36/0x1d0 [ 137.400880] rtnetlink_rcv_msg+0x34f/0x8f0 [ 137.405823] ? rtnetlink_put_metrics+0x490/0x490 [ 137.410817] ? find_held_lock+0x36/0x1d0 [ 137.414985] netlink_rcv_skb+0x13e/0x3d0 [ 137.419180] ? lock_downgrade+0x860/0x860 [ 137.423487] ? rtnetlink_put_metrics+0x490/0x490 [ 137.428540] ? netlink_ack+0xa70/0xa70 [ 137.432427] ? netlink_deliver_tap+0x182/0xb00 [ 137.437396] rtnetlink_rcv+0x10/0x20 [ 137.441331] netlink_unicast+0x443/0x650 [ 137.445382] ? netlink_attachskb+0x6c0/0x6c0 [ 137.449865] ? _copy_from_iter_full+0x182/0x720 [ 137.454699] ? __check_object_size+0x1ef/0x310 [ 137.459613] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 137.465492] netlink_sendmsg+0x764/0xc60 [ 137.469897] ? netlink_unicast+0x650/0x650 [ 137.474129] ? apparmor_socket_sendmsg+0x1b/0x20 [ 137.479621] ? netlink_unicast+0x650/0x650 [ 137.484274] sock_sendmsg+0xb5/0xf0 [ 137.488064] ___sys_sendmsg+0x647/0x950 [ 137.492112] ? find_held_lock+0x36/0x1d0 [ 137.496484] ? copy_msghdr_from_user+0x430/0x430 [ 137.501383] ? __fget+0x278/0x400 [ 137.505410] ? kasan_check_read+0x11/0x20 [ 137.509804] ? __fget+0x295/0x400 [ 137.513540] ? expand_files.part.8+0x700/0x700 [ 137.518363] ? __f_unlock_pos+0xd/0x10 [ 137.522351] ? __fget_light+0x174/0x1e0 [ 137.526322] ? __fdget+0xe/0x10 [ 137.529586] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 137.534432] __sys_sendmsg+0xd9/0x180 [ 137.538342] ? __ia32_sys_shutdown+0x70/0x70 [ 137.542817] ? __sb_end_write+0xa4/0xd0 [ 137.546972] ? kasan_check_write+0x14/0x20 [ 137.551211] ? fput+0x18/0x120 [ 137.554438] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.559964] __x64_sys_sendmsg+0x73/0xb0 [ 137.564204] do_syscall_64+0xd0/0x4e0 [ 137.568499] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.573804] RIP: 0033:0x463d89 [ 137.577191] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 137.597260] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.604955] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 137.612601] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 137.619953] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 137.627219] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 137.634712] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 137.641993] CPU: 1 PID: 9681 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 137.644171] nla_parse: 4 callbacks suppressed [ 137.644175] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 137.649911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.649915] Call Trace: [ 137.649929] dump_stack+0x123/0x171 [ 137.649939] should_fail.cold.4+0x5/0xa [ 137.649948] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 137.649962] __should_failslab+0xba/0xf0 [ 137.649970] should_failslab+0x9/0x20 [ 137.649976] kmem_cache_alloc+0x47/0x720 [ 137.649986] ? lock_acquire+0x173/0x3d0 [ 137.649994] skb_clone+0x115/0x340 [ 137.650004] netlink_deliver_tap+0x7d7/0xb00 [ 137.683408] FAULT_INJECTION: forcing a failure. [ 137.683408] name failslab, interval 1, probability 0, space 0, times 0 [ 137.688323] __netlink_sendskb+0x62/0xc0 [ 137.688332] netlink_unicast+0x4ea/0x650 [ 137.688342] ? netlink_attachskb+0x6c0/0x6c0 [ 137.738071] netlink_ack+0x519/0xa70 [ 137.741872] ? netlink_sendmsg+0xc60/0xc60 [ 137.746190] ? find_held_lock+0x36/0x1d0 [ 137.750809] netlink_rcv_skb+0x2a8/0x3d0 [ 137.754975] ? lock_downgrade+0x860/0x860 [ 137.759122] ? rtnetlink_put_metrics+0x490/0x490 [ 137.763948] ? netlink_ack+0xa70/0xa70 [ 137.767996] ? netlink_deliver_tap+0x182/0xb00 [ 137.772649] rtnetlink_rcv+0x10/0x20 [ 137.776363] netlink_unicast+0x443/0x650 [ 137.780513] ? netlink_attachskb+0x6c0/0x6c0 [ 137.785026] ? _copy_from_iter_full+0x182/0x720 [ 137.789677] ? __check_object_size+0x1ef/0x310 [ 137.794426] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 137.800137] netlink_sendmsg+0x764/0xc60 [ 137.804365] ? netlink_unicast+0x650/0x650 [ 137.809024] ? apparmor_socket_sendmsg+0x1b/0x20 [ 137.813853] ? netlink_unicast+0x650/0x650 [ 137.818068] sock_sendmsg+0xb5/0xf0 [ 137.821689] ___sys_sendmsg+0x647/0x950 [ 137.825745] ? find_held_lock+0x36/0x1d0 [ 137.829796] ? copy_msghdr_from_user+0x430/0x430 [ 137.834538] ? __fget+0x278/0x400 [ 137.837980] ? kasan_check_read+0x11/0x20 [ 137.842113] ? __fget+0x295/0x400 [ 137.845642] ? expand_files.part.8+0x700/0x700 [ 137.850291] ? __f_unlock_pos+0xd/0x10 [ 137.854425] ? __fget_light+0x174/0x1e0 [ 137.858477] ? __fdget+0xe/0x10 [ 137.861865] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 137.866724] __sys_sendmsg+0xd9/0x180 [ 137.871617] ? __ia32_sys_shutdown+0x70/0x70 [ 137.876106] ? __sb_end_write+0xa4/0xd0 [ 137.880888] ? kasan_check_write+0x14/0x20 [ 137.885281] ? fput+0x18/0x120 [ 137.888810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.894814] __x64_sys_sendmsg+0x73/0xb0 [ 137.898894] do_syscall_64+0xd0/0x4e0 [ 137.902681] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.908149] RIP: 0033:0x463d89 [ 137.911324] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 2021/04/24 20:07:52 executed programs: 252 [ 137.931179] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.939165] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 137.946429] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 137.954109] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 137.961732] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 137.969176] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 137.976657] CPU: 0 PID: 9661 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 137.984900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.994864] Call Trace: [ 137.997546] dump_stack+0x123/0x171 [ 138.001186] should_fail.cold.4+0x5/0xa [ 138.005167] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 138.010277] ? lock_downgrade+0x860/0x860 [ 138.014610] ? ___might_sleep+0x16b/0x270 [ 138.018851] __should_failslab+0xba/0xf0 [ 138.023005] should_failslab+0x9/0x20 [ 138.026985] kmem_cache_alloc_trace+0x2cb/0x740 [ 138.031832] ? qfq_change_class+0xa93/0x14e0 [ 138.036575] ? qfq_change_class+0xa93/0x14e0 [ 138.041595] ? __local_bh_enable_ip+0x160/0x260 [ 138.046742] qfq_change_class+0xad9/0x14e0 [ 138.051138] ? qfq_delete_class+0x2d0/0x2d0 [ 138.055575] ? nla_parse+0x197/0x280 [ 138.059294] tc_ctl_tclass+0x3e9/0xba0 [ 138.063694] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 138.068826] ? find_held_lock+0x36/0x1d0 [ 138.073940] rtnetlink_rcv_msg+0x34f/0x8f0 [ 138.078326] ? rtnetlink_put_metrics+0x490/0x490 [ 138.083927] ? find_held_lock+0x36/0x1d0 [ 138.088369] netlink_rcv_skb+0x13e/0x3d0 [ 138.093459] ? lock_downgrade+0x860/0x860 [ 138.097940] ? rtnetlink_put_metrics+0x490/0x490 [ 138.103463] ? netlink_ack+0xa70/0xa70 [ 138.107386] ? netlink_deliver_tap+0x182/0xb00 [ 138.111978] rtnetlink_rcv+0x10/0x20 [ 138.116609] netlink_unicast+0x443/0x650 [ 138.120952] ? netlink_attachskb+0x6c0/0x6c0 [ 138.125695] ? _copy_from_iter_full+0x182/0x720 [ 138.130854] ? __check_object_size+0x1ef/0x310 [ 138.136671] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 138.142334] netlink_sendmsg+0x764/0xc60 [ 138.146658] ? netlink_unicast+0x650/0x650 [ 138.151124] ? apparmor_socket_sendmsg+0x1b/0x20 [ 138.156041] ? netlink_unicast+0x650/0x650 [ 138.160442] sock_sendmsg+0xb5/0xf0 [ 138.164171] ___sys_sendmsg+0x647/0x950 [ 138.168252] ? find_held_lock+0x36/0x1d0 [ 138.172643] ? copy_msghdr_from_user+0x430/0x430 [ 138.177571] ? __fget+0x278/0x400 [ 138.181121] ? kasan_check_read+0x11/0x20 [ 138.185442] ? __fget+0x295/0x400 [ 138.189244] ? expand_files.part.8+0x700/0x700 [ 138.194227] ? __f_unlock_pos+0xd/0x10 [ 138.198217] ? __fget_light+0x174/0x1e0 [ 138.202360] ? __fdget+0xe/0x10 [ 138.205731] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 138.210963] __sys_sendmsg+0xd9/0x180 [ 138.214757] ? __ia32_sys_shutdown+0x70/0x70 [ 138.219180] ? __sb_end_write+0xa4/0xd0 [ 138.223320] ? kasan_check_write+0x14/0x20 [ 138.227633] ? fput+0x18/0x120 [ 138.230812] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.236250] __x64_sys_sendmsg+0x73/0xb0 [ 138.240569] do_syscall_64+0xd0/0x4e0 [ 138.244363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.249753] RIP: 0033:0x463d89 [ 138.253241] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 138.273908] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.282066] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 138.289733] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 138.297254] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 138.305043] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 138.312696] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 138.333524] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 138.361883] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 138.380016] FAULT_INJECTION: forcing a failure. [ 138.380016] name failslab, interval 1, probability 0, space 0, times 0 [ 138.398159] CPU: 1 PID: 9671 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 138.406333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.416313] Call Trace: [ 138.419442] dump_stack+0x123/0x171 [ 138.423080] should_fail.cold.4+0x5/0xa [ 138.427290] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 138.432689] ? lock_downgrade+0x860/0x860 [ 138.437119] ? ___might_sleep+0x16b/0x270 [ 138.441808] __should_failslab+0xba/0xf0 [ 138.446379] should_failslab+0x9/0x20 [ 138.450614] kmem_cache_alloc_trace+0x2cb/0x740 [ 138.455325] ? qfq_change_class+0xa93/0x14e0 [ 138.460337] ? qfq_change_class+0xa93/0x14e0 [ 138.464847] ? __local_bh_enable_ip+0x160/0x260 [ 138.469882] qfq_change_class+0xad9/0x14e0 [ 138.474525] ? qfq_delete_class+0x2d0/0x2d0 [ 138.479256] ? nla_parse+0x197/0x280 [ 138.483291] tc_ctl_tclass+0x3e9/0xba0 [ 138.487489] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 138.493010] ? find_held_lock+0x36/0x1d0 [ 138.497342] rtnetlink_rcv_msg+0x34f/0x8f0 [ 138.501936] ? rtnetlink_put_metrics+0x490/0x490 [ 138.506867] ? find_held_lock+0x36/0x1d0 [ 138.511526] netlink_rcv_skb+0x13e/0x3d0 [ 138.515877] ? lock_downgrade+0x860/0x860 [ 138.520633] ? rtnetlink_put_metrics+0x490/0x490 [ 138.525595] ? netlink_ack+0xa70/0xa70 [ 138.530052] ? netlink_deliver_tap+0x182/0xb00 [ 138.534666] rtnetlink_rcv+0x10/0x20 [ 138.538639] netlink_unicast+0x443/0x650 [ 138.543020] ? netlink_attachskb+0x6c0/0x6c0 [ 138.547517] ? _copy_from_iter_full+0x182/0x720 [ 138.552654] ? __check_object_size+0x1ef/0x310 [ 138.557256] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 138.562908] netlink_sendmsg+0x764/0xc60 [ 138.567071] ? netlink_unicast+0x650/0x650 [ 138.571591] ? apparmor_socket_sendmsg+0x1b/0x20 [ 138.576523] ? netlink_unicast+0x650/0x650 [ 138.581875] sock_sendmsg+0xb5/0xf0 [ 138.585850] ___sys_sendmsg+0x647/0x950 [ 138.590083] ? find_held_lock+0x36/0x1d0 [ 138.594179] ? copy_msghdr_from_user+0x430/0x430 [ 138.599166] ? __fget+0x278/0x400 [ 138.602799] ? kasan_check_read+0x11/0x20 [ 138.607305] ? __fget+0x295/0x400 [ 138.610968] ? expand_files.part.8+0x700/0x700 [ 138.616164] ? __f_unlock_pos+0xd/0x10 [ 138.620623] ? __fget_light+0x174/0x1e0 [ 138.624778] ? __fdget+0xe/0x10 [ 138.628150] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 138.633636] __sys_sendmsg+0xd9/0x180 [ 138.637953] ? __ia32_sys_shutdown+0x70/0x70 [ 138.642931] ? __sb_end_write+0xa4/0xd0 [ 138.646898] ? kasan_check_write+0x14/0x20 [ 138.651761] ? fput+0x18/0x120 [ 138.655287] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.660876] __x64_sys_sendmsg+0x73/0xb0 [ 138.665309] do_syscall_64+0xd0/0x4e0 [ 138.669294] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.674773] RIP: 0033:0x463d89 [ 138.678297] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 138.698440] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.706234] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 138.713595] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 138.721209] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 138.728568] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 138.736344] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 138.747082] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 138.762918] FAULT_INJECTION: forcing a failure. [ 138.762918] name failslab, interval 1, probability 0, space 0, times 0 [ 138.782411] CPU: 1 PID: 9697 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 138.790600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.800476] Call Trace: [ 138.803061] dump_stack+0x123/0x171 [ 138.806802] should_fail.cold.4+0x5/0xa [ 138.811069] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 138.816529] ? lock_downgrade+0x860/0x860 [ 138.820961] ? ___might_sleep+0x16b/0x270 [ 138.825540] __should_failslab+0xba/0xf0 [ 138.829751] should_failslab+0x9/0x20 [ 138.834534] kmem_cache_alloc_trace+0x2cb/0x740 [ 138.839810] ? qfq_change_class+0xa93/0x14e0 [ 138.844499] ? qfq_change_class+0xa93/0x14e0 [ 138.849422] ? __local_bh_enable_ip+0x160/0x260 [ 138.854249] qfq_change_class+0xad9/0x14e0 [ 138.858971] ? qfq_delete_class+0x2d0/0x2d0 [ 138.863743] ? nla_parse+0x197/0x280 [ 138.867871] tc_ctl_tclass+0x3e9/0xba0 [ 138.871895] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 138.878030] ? find_held_lock+0x36/0x1d0 [ 138.882671] rtnetlink_rcv_msg+0x34f/0x8f0 [ 138.887087] ? rtnetlink_put_metrics+0x490/0x490 [ 138.892288] ? find_held_lock+0x36/0x1d0 [ 138.896736] netlink_rcv_skb+0x13e/0x3d0 [ 138.901071] ? lock_downgrade+0x860/0x860 [ 138.905688] ? rtnetlink_put_metrics+0x490/0x490 [ 138.910527] ? netlink_ack+0xa70/0xa70 [ 138.914427] ? netlink_deliver_tap+0x182/0xb00 [ 138.919216] rtnetlink_rcv+0x10/0x20 [ 138.923012] netlink_unicast+0x443/0x650 [ 138.927486] ? netlink_attachskb+0x6c0/0x6c0 [ 138.932215] ? _copy_from_iter_full+0x182/0x720 [ 138.937090] ? __check_object_size+0x1ef/0x310 [ 138.941909] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 138.947800] netlink_sendmsg+0x764/0xc60 [ 138.951879] ? netlink_unicast+0x650/0x650 [ 138.956134] ? apparmor_socket_sendmsg+0x1b/0x20 [ 138.960993] ? netlink_unicast+0x650/0x650 [ 138.965722] sock_sendmsg+0xb5/0xf0 [ 138.969476] ___sys_sendmsg+0x647/0x950 [ 138.973541] ? find_held_lock+0x36/0x1d0 [ 138.977989] ? copy_msghdr_from_user+0x430/0x430 [ 138.982912] ? __fget+0x278/0x400 [ 138.986364] ? kasan_check_read+0x11/0x20 [ 138.990661] ? __fget+0x295/0x400 [ 138.994294] ? expand_files.part.8+0x700/0x700 [ 138.999133] ? __f_unlock_pos+0xd/0x10 [ 139.003224] ? __fget_light+0x174/0x1e0 [ 139.007266] ? __fdget+0xe/0x10 [ 139.010738] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 139.015662] __sys_sendmsg+0xd9/0x180 [ 139.019481] ? __ia32_sys_shutdown+0x70/0x70 [ 139.024067] ? __sb_end_write+0xa4/0xd0 [ 139.028125] ? kasan_check_write+0x14/0x20 [ 139.032591] ? fput+0x18/0x120 [ 139.036147] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.041785] __x64_sys_sendmsg+0x73/0xb0 [ 139.046890] do_syscall_64+0xd0/0x4e0 [ 139.050985] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.056884] RIP: 0033:0x463d89 [ 139.060505] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 139.081178] RSP: 002b:00007f42bcef6198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.090243] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 139.099309] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 139.107339] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 139.115271] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 139.122892] R13: 00007f42bcef66bc R14: 0000000000000008 R15: 0000000000000001 [ 139.133198] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 139.171359] FAULT_INJECTION: forcing a failure. [ 139.171359] name failslab, interval 1, probability 0, space 0, times 0 [ 139.183690] CPU: 0 PID: 9702 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 139.191983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.201806] Call Trace: [ 139.204523] dump_stack+0x123/0x171 [ 139.208143] should_fail.cold.4+0x5/0xa [ 139.212237] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 139.217471] ? lock_downgrade+0x860/0x860 [ 139.221710] ? ___might_sleep+0x16b/0x270 [ 139.225861] __should_failslab+0xba/0xf0 [ 139.230190] should_failslab+0x9/0x20 [ 139.233977] kmem_cache_alloc_trace+0x2cb/0x740 [ 139.238787] ? qfq_change_class+0xa93/0x14e0 [ 139.243309] ? qfq_change_class+0xa93/0x14e0 [ 139.248006] ? __local_bh_enable_ip+0x160/0x260 [ 139.253874] qfq_change_class+0xad9/0x14e0 [ 139.258474] ? qfq_delete_class+0x2d0/0x2d0 [ 139.262995] ? nla_parse+0x197/0x280 [ 139.266797] tc_ctl_tclass+0x3e9/0xba0 [ 139.270797] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 139.276167] ? find_held_lock+0x36/0x1d0 [ 139.280348] rtnetlink_rcv_msg+0x34f/0x8f0 [ 139.284922] ? rtnetlink_put_metrics+0x490/0x490 [ 139.289900] ? find_held_lock+0x36/0x1d0 [ 139.294274] netlink_rcv_skb+0x13e/0x3d0 [ 139.298481] ? lock_downgrade+0x860/0x860 [ 139.302853] ? rtnetlink_put_metrics+0x490/0x490 [ 139.307689] ? netlink_ack+0xa70/0xa70 [ 139.311858] ? netlink_deliver_tap+0x182/0xb00 [ 139.316931] rtnetlink_rcv+0x10/0x20 [ 139.320878] netlink_unicast+0x443/0x650 [ 139.324942] ? netlink_attachskb+0x6c0/0x6c0 [ 139.330019] ? _copy_from_iter_full+0x182/0x720 [ 139.335030] ? __check_object_size+0x1ef/0x310 [ 139.339956] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 139.346004] netlink_sendmsg+0x764/0xc60 [ 139.350462] ? netlink_unicast+0x650/0x650 [ 139.354885] ? apparmor_socket_sendmsg+0x1b/0x20 [ 139.360526] ? netlink_unicast+0x650/0x650 [ 139.365206] sock_sendmsg+0xb5/0xf0 [ 139.368933] ___sys_sendmsg+0x647/0x950 [ 139.373194] ? find_held_lock+0x36/0x1d0 [ 139.377539] ? copy_msghdr_from_user+0x430/0x430 [ 139.382806] ? __fget+0x278/0x400 [ 139.386356] ? kasan_check_read+0x11/0x20 [ 139.390742] ? __fget+0x295/0x400 [ 139.394409] ? expand_files.part.8+0x700/0x700 [ 139.399264] ? __f_unlock_pos+0xd/0x10 [ 139.403470] ? __fget_light+0x174/0x1e0 [ 139.407815] ? __fdget+0xe/0x10 [ 139.411741] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 139.416971] __sys_sendmsg+0xd9/0x180 [ 139.420915] ? __ia32_sys_shutdown+0x70/0x70 [ 139.425770] ? __sb_end_write+0xa4/0xd0 [ 139.430328] ? kasan_check_write+0x14/0x20 [ 139.434558] ? fput+0x18/0x120 [ 139.437742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.443233] __x64_sys_sendmsg+0x73/0xb0 [ 139.447381] do_syscall_64+0xd0/0x4e0 [ 139.451269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.456640] RIP: 0033:0x463d89 [ 139.459849] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 139.479673] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.487477] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 139.495061] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 139.502668] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 139.510494] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 139.517963] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 139.543305] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 139.560276] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 139.582456] FAULT_INJECTION: forcing a failure. [ 139.582456] name failslab, interval 1, probability 0, space 0, times 0 [ 139.596554] CPU: 0 PID: 9728 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 139.604920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.614747] Call Trace: [ 139.617324] dump_stack+0x123/0x171 [ 139.620958] should_fail.cold.4+0x5/0xa [ 139.624934] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 139.630233] ? lock_downgrade+0x860/0x860 [ 139.634680] ? ___might_sleep+0x16b/0x270 [ 139.639098] __should_failslab+0xba/0xf0 [ 139.643281] should_failslab+0x9/0x20 [ 139.647178] kmem_cache_alloc_trace+0x2cb/0x740 [ 139.651947] ? qfq_change_class+0xa93/0x14e0 [ 139.656977] ? qfq_change_class+0xa93/0x14e0 [ 139.662300] ? __local_bh_enable_ip+0x160/0x260 [ 139.667244] qfq_change_class+0xad9/0x14e0 [ 139.671682] ? qfq_delete_class+0x2d0/0x2d0 [ 139.676259] ? nla_parse+0x197/0x280 [ 139.680137] tc_ctl_tclass+0x3e9/0xba0 [ 139.684059] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 139.689345] ? find_held_lock+0x36/0x1d0 [ 139.693656] rtnetlink_rcv_msg+0x34f/0x8f0 [ 139.698006] ? rtnetlink_put_metrics+0x490/0x490 [ 139.703321] ? find_held_lock+0x36/0x1d0 [ 139.707387] netlink_rcv_skb+0x13e/0x3d0 [ 139.711646] ? lock_downgrade+0x860/0x860 [ 139.715905] ? rtnetlink_put_metrics+0x490/0x490 [ 139.721285] ? netlink_ack+0xa70/0xa70 [ 139.725626] ? netlink_deliver_tap+0x182/0xb00 [ 139.730409] rtnetlink_rcv+0x10/0x20 [ 139.734379] netlink_unicast+0x443/0x650 [ 139.738706] ? netlink_attachskb+0x6c0/0x6c0 [ 139.743323] ? _copy_from_iter_full+0x182/0x720 [ 139.747993] ? __check_object_size+0x1ef/0x310 [ 139.752664] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 139.758550] netlink_sendmsg+0x764/0xc60 [ 139.762783] ? netlink_unicast+0x650/0x650 [ 139.767105] ? apparmor_socket_sendmsg+0x1b/0x20 [ 139.771947] ? netlink_unicast+0x650/0x650 [ 139.776270] sock_sendmsg+0xb5/0xf0 [ 139.779927] ___sys_sendmsg+0x647/0x950 [ 139.784251] ? find_held_lock+0x36/0x1d0 [ 139.788335] ? copy_msghdr_from_user+0x430/0x430 [ 139.793197] ? __fget+0x278/0x400 [ 139.796880] ? kasan_check_read+0x11/0x20 [ 139.801157] ? __fget+0x295/0x400 [ 139.804735] ? expand_files.part.8+0x700/0x700 [ 139.809340] ? __f_unlock_pos+0xd/0x10 [ 139.813437] ? __fget_light+0x174/0x1e0 [ 139.817688] ? __fdget+0xe/0x10 [ 139.821082] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 139.826029] __sys_sendmsg+0xd9/0x180 [ 139.830276] ? __ia32_sys_shutdown+0x70/0x70 [ 139.835130] ? __sb_end_write+0xa4/0xd0 [ 139.839183] ? kasan_check_write+0x14/0x20 [ 139.843870] ? fput+0x18/0x120 [ 139.847255] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.853700] __x64_sys_sendmsg+0x73/0xb0 [ 139.857952] do_syscall_64+0xd0/0x4e0 [ 139.861950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.867330] RIP: 0033:0x463d89 [ 139.870522] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 139.891377] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.899490] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 139.906761] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 139.914351] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 139.922261] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 139.930035] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 139.950737] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 139.973087] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 139.991883] FAULT_INJECTION: forcing a failure. [ 139.991883] name failslab, interval 1, probability 0, space 0, times 0 [ 140.004662] CPU: 0 PID: 9741 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 140.012716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.022859] Call Trace: [ 140.025447] dump_stack+0x123/0x171 [ 140.029198] should_fail.cold.4+0x5/0xa [ 140.033995] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 140.039277] ? lock_downgrade+0x860/0x860 [ 140.044013] ? ___might_sleep+0x16b/0x270 [ 140.048180] __should_failslab+0xba/0xf0 [ 140.052321] should_failslab+0x9/0x20 [ 140.056349] kmem_cache_alloc_trace+0x2cb/0x740 [ 140.061100] ? qfq_change_class+0xa93/0x14e0 [ 140.065778] ? qfq_change_class+0xa93/0x14e0 [ 140.070301] ? __local_bh_enable_ip+0x160/0x260 [ 140.075163] qfq_change_class+0xad9/0x14e0 [ 140.079575] ? qfq_delete_class+0x2d0/0x2d0 [ 140.083982] ? nla_parse+0x197/0x280 [ 140.087702] tc_ctl_tclass+0x3e9/0xba0 [ 140.091847] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 140.097170] ? find_held_lock+0x36/0x1d0 [ 140.101536] rtnetlink_rcv_msg+0x34f/0x8f0 [ 140.105974] ? rtnetlink_put_metrics+0x490/0x490 [ 140.110925] ? find_held_lock+0x36/0x1d0 [ 140.114978] netlink_rcv_skb+0x13e/0x3d0 [ 140.119031] ? lock_downgrade+0x860/0x860 [ 140.123289] ? rtnetlink_put_metrics+0x490/0x490 [ 140.128047] ? netlink_ack+0xa70/0xa70 [ 140.132026] ? netlink_deliver_tap+0x182/0xb00 [ 140.136709] rtnetlink_rcv+0x10/0x20 [ 140.140510] netlink_unicast+0x443/0x650 [ 140.144566] ? netlink_attachskb+0x6c0/0x6c0 [ 140.149147] ? _copy_from_iter_full+0x182/0x720 [ 140.153805] ? __check_object_size+0x1ef/0x310 [ 140.158487] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 140.164022] netlink_sendmsg+0x764/0xc60 [ 140.168100] ? netlink_unicast+0x650/0x650 [ 140.172411] ? apparmor_socket_sendmsg+0x1b/0x20 [ 140.177345] ? netlink_unicast+0x650/0x650 [ 140.181686] sock_sendmsg+0xb5/0xf0 [ 140.185584] ___sys_sendmsg+0x647/0x950 [ 140.189656] ? find_held_lock+0x36/0x1d0 [ 140.193823] ? copy_msghdr_from_user+0x430/0x430 [ 140.198567] ? __fget+0x278/0x400 [ 140.202139] ? kasan_check_read+0x11/0x20 [ 140.206432] ? __fget+0x295/0x400 [ 140.209910] ? expand_files.part.8+0x700/0x700 [ 140.214689] ? __f_unlock_pos+0xd/0x10 [ 140.218870] ? __fget_light+0x174/0x1e0 [ 140.222909] ? __fdget+0xe/0x10 [ 140.226201] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 140.231144] __sys_sendmsg+0xd9/0x180 [ 140.235022] ? __ia32_sys_shutdown+0x70/0x70 [ 140.239525] ? __sb_end_write+0xa4/0xd0 [ 140.243896] ? kasan_check_write+0x14/0x20 [ 140.248130] ? fput+0x18/0x120 [ 140.251763] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.257411] __x64_sys_sendmsg+0x73/0xb0 [ 140.261743] do_syscall_64+0xd0/0x4e0 [ 140.265540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.271030] RIP: 0033:0x463d89 [ 140.274219] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 140.294478] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.302478] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 140.310089] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 140.317579] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 140.325080] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 140.333211] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 140.354063] FAULT_INJECTION: forcing a failure. [ 140.354063] name failslab, interval 1, probability 0, space 0, times 0 [ 140.354522] FAULT_INJECTION: forcing a failure. [ 140.354522] name failslab, interval 1, probability 0, space 0, times 0 [ 140.371209] CPU: 0 PID: 9742 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 140.385300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.395014] Call Trace: [ 140.397691] dump_stack+0x123/0x171 [ 140.401528] should_fail.cold.4+0x5/0xa [ 140.406395] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 140.411695] __should_failslab+0xba/0xf0 [ 140.415928] should_failslab+0x9/0x20 [ 140.419900] kmem_cache_alloc+0x47/0x720 [ 140.424216] ? lock_acquire+0x173/0x3d0 [ 140.428511] skb_clone+0x115/0x340 [ 140.433194] netlink_deliver_tap+0x7d7/0xb00 [ 140.437620] __netlink_sendskb+0x62/0xc0 [ 140.441679] netlink_unicast+0x4ea/0x650 [ 140.445963] ? netlink_attachskb+0x6c0/0x6c0 [ 140.450383] netlink_ack+0x519/0xa70 [ 140.454181] ? netlink_sendmsg+0xc60/0xc60 [ 140.458524] ? find_held_lock+0x36/0x1d0 [ 140.462757] netlink_rcv_skb+0x2a8/0x3d0 [ 140.466890] ? lock_downgrade+0x860/0x860 [ 140.471169] ? rtnetlink_put_metrics+0x490/0x490 [ 140.475916] ? netlink_ack+0xa70/0xa70 [ 140.479811] ? netlink_deliver_tap+0x182/0xb00 [ 140.486297] rtnetlink_rcv+0x10/0x20 [ 140.490347] netlink_unicast+0x443/0x650 [ 140.494783] ? netlink_attachskb+0x6c0/0x6c0 [ 140.499585] ? _copy_from_iter_full+0x182/0x720 [ 140.504353] ? __check_object_size+0x1ef/0x310 [ 140.509192] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 140.514901] netlink_sendmsg+0x764/0xc60 [ 140.518963] ? netlink_unicast+0x650/0x650 [ 140.523629] ? apparmor_socket_sendmsg+0x1b/0x20 [ 140.528826] ? netlink_unicast+0x650/0x650 [ 140.533274] sock_sendmsg+0xb5/0xf0 [ 140.537000] ___sys_sendmsg+0x647/0x950 [ 140.541096] ? find_held_lock+0x36/0x1d0 [ 140.545144] ? copy_msghdr_from_user+0x430/0x430 [ 140.550231] ? __fget+0x278/0x400 [ 140.553683] ? kasan_check_read+0x11/0x20 [ 140.557836] ? __fget+0x295/0x400 [ 140.561416] ? expand_files.part.8+0x700/0x700 [ 140.565983] ? __f_unlock_pos+0xd/0x10 [ 140.570399] ? __fget_light+0x174/0x1e0 [ 140.574371] ? __fdget+0xe/0x10 [ 140.577636] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 140.582466] __sys_sendmsg+0xd9/0x180 [ 140.586523] ? __ia32_sys_shutdown+0x70/0x70 [ 140.591134] ? __sb_end_write+0xa4/0xd0 [ 140.595276] ? kasan_check_write+0x14/0x20 [ 140.599609] ? fput+0x18/0x120 [ 140.602884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.608325] __x64_sys_sendmsg+0x73/0xb0 [ 140.612370] do_syscall_64+0xd0/0x4e0 [ 140.616774] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.621961] RIP: 0033:0x463d89 [ 140.625245] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 140.644870] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.653375] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 140.661799] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 140.669273] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 140.676845] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 140.684457] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 140.691732] CPU: 1 PID: 9743 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 140.699532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.709389] Call Trace: [ 140.712048] dump_stack+0x123/0x171 [ 140.715758] should_fail.cold.4+0x5/0xa [ 140.719809] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 140.725169] ? lock_downgrade+0x860/0x860 [ 140.729333] ? ___might_sleep+0x16b/0x270 [ 140.733582] __should_failslab+0xba/0xf0 [ 140.737838] should_failslab+0x9/0x20 [ 140.741618] kmem_cache_alloc_trace+0x2cb/0x740 [ 140.746632] ? qfq_change_class+0xa93/0x14e0 [ 140.751116] ? qfq_change_class+0xa93/0x14e0 [ 140.755643] ? __local_bh_enable_ip+0x160/0x260 [ 140.760718] qfq_change_class+0xad9/0x14e0 [ 140.765030] ? qfq_delete_class+0x2d0/0x2d0 [ 140.769555] ? nla_parse+0x197/0x280 [ 140.773336] tc_ctl_tclass+0x3e9/0xba0 [ 140.777460] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 140.782652] ? find_held_lock+0x36/0x1d0 [ 140.787049] rtnetlink_rcv_msg+0x34f/0x8f0 [ 140.791331] ? rtnetlink_put_metrics+0x490/0x490 [ 140.796092] ? find_held_lock+0x36/0x1d0 [ 140.800301] netlink_rcv_skb+0x13e/0x3d0 [ 140.804737] ? lock_downgrade+0x860/0x860 [ 140.809138] ? rtnetlink_put_metrics+0x490/0x490 [ 140.814248] ? netlink_ack+0xa70/0xa70 [ 140.818120] ? netlink_deliver_tap+0x182/0xb00 [ 140.822904] rtnetlink_rcv+0x10/0x20 [ 140.826712] netlink_unicast+0x443/0x650 [ 140.831408] ? netlink_attachskb+0x6c0/0x6c0 [ 140.836102] ? _copy_from_iter_full+0x182/0x720 [ 140.841078] ? __check_object_size+0x1ef/0x310 [ 140.845750] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 140.851386] netlink_sendmsg+0x764/0xc60 [ 140.855923] ? netlink_unicast+0x650/0x650 [ 140.860514] ? apparmor_socket_sendmsg+0x1b/0x20 [ 140.865444] ? netlink_unicast+0x650/0x650 [ 140.869957] sock_sendmsg+0xb5/0xf0 [ 140.873664] ___sys_sendmsg+0x647/0x950 [ 140.877810] ? find_held_lock+0x36/0x1d0 [ 140.882193] ? copy_msghdr_from_user+0x430/0x430 [ 140.887100] ? __fget+0x278/0x400 [ 140.890770] ? kasan_check_read+0x11/0x20 [ 140.895111] ? __fget+0x295/0x400 [ 140.898666] ? expand_files.part.8+0x700/0x700 [ 140.903617] ? __fget_light+0x174/0x1e0 [ 140.907587] ? _raw_spin_unlock_irq+0x27/0x80 [ 140.912074] ? __fdget+0xe/0x10 [ 140.915548] __sys_sendmsg+0xd9/0x180 [ 140.919767] ? __ia32_sys_shutdown+0x70/0x70 [ 140.924921] ? __schedule+0xdbd/0x1d40 [ 140.929563] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.935208] __x64_sys_sendmsg+0x73/0xb0 [ 140.939279] do_syscall_64+0xd0/0x4e0 [ 140.943068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.948939] RIP: 0033:0x463d89 [ 140.952620] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 140.972757] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.981186] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 140.989141] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 140.996488] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 141.003755] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 141.011383] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 141.028788] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 141.052087] FAULT_INJECTION: forcing a failure. [ 141.052087] name failslab, interval 1, probability 0, space 0, times 0 [ 141.069656] CPU: 1 PID: 9753 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 141.077681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.087287] Call Trace: [ 141.089992] dump_stack+0x123/0x171 [ 141.093624] should_fail.cold.4+0x5/0xa [ 141.097717] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 141.103219] ? lock_downgrade+0x860/0x860 [ 141.107372] ? ___might_sleep+0x16b/0x270 [ 141.111604] __should_failslab+0xba/0xf0 [ 141.115799] should_failslab+0x9/0x20 [ 141.119680] kmem_cache_alloc_trace+0x2cb/0x740 [ 141.124803] ? qfq_change_class+0xa93/0x14e0 [ 141.129346] ? qfq_change_class+0xa93/0x14e0 [ 141.134026] ? __local_bh_enable_ip+0x160/0x260 [ 141.139751] qfq_change_class+0xad9/0x14e0 [ 141.144941] ? qfq_delete_class+0x2d0/0x2d0 [ 141.149427] ? nla_parse+0x197/0x280 [ 141.153137] tc_ctl_tclass+0x3e9/0xba0 [ 141.157039] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 141.162316] ? find_held_lock+0x36/0x1d0 [ 141.166379] rtnetlink_rcv_msg+0x34f/0x8f0 [ 141.170613] ? rtnetlink_put_metrics+0x490/0x490 [ 141.175593] ? find_held_lock+0x36/0x1d0 [ 141.179665] netlink_rcv_skb+0x13e/0x3d0 [ 141.183818] ? lock_downgrade+0x860/0x860 [ 141.187961] ? rtnetlink_put_metrics+0x490/0x490 [ 141.192985] ? netlink_ack+0xa70/0xa70 [ 141.196858] ? netlink_deliver_tap+0x182/0xb00 [ 141.201791] rtnetlink_rcv+0x10/0x20 [ 141.205492] netlink_unicast+0x443/0x650 [ 141.209728] ? netlink_attachskb+0x6c0/0x6c0 [ 141.214312] ? _copy_from_iter_full+0x182/0x720 [ 141.219149] ? __check_object_size+0x1ef/0x310 [ 141.223847] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 141.229578] netlink_sendmsg+0x764/0xc60 [ 141.233973] ? netlink_unicast+0x650/0x650 [ 141.238780] ? apparmor_socket_sendmsg+0x1b/0x20 [ 141.243535] ? netlink_unicast+0x650/0x650 [ 141.248088] sock_sendmsg+0xb5/0xf0 [ 141.251998] ___sys_sendmsg+0x647/0x950 [ 141.256045] ? find_held_lock+0x36/0x1d0 [ 141.260225] ? copy_msghdr_from_user+0x430/0x430 [ 141.264982] ? __fget+0x278/0x400 [ 141.268611] ? kasan_check_read+0x11/0x20 [ 141.272859] ? __fget+0x295/0x400 [ 141.276606] ? expand_files.part.8+0x700/0x700 [ 141.281366] ? __f_unlock_pos+0xd/0x10 [ 141.285349] ? __fget_light+0x174/0x1e0 [ 141.289313] ? __fdget+0xe/0x10 [ 141.292944] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 141.297875] __sys_sendmsg+0xd9/0x180 [ 141.301751] ? __ia32_sys_shutdown+0x70/0x70 [ 141.306157] ? __sb_end_write+0xa4/0xd0 [ 141.311176] ? kasan_check_write+0x14/0x20 [ 141.315836] ? fput+0x18/0x120 [ 141.319133] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.324581] __x64_sys_sendmsg+0x73/0xb0 [ 141.328827] do_syscall_64+0xd0/0x4e0 [ 141.332938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.339005] RIP: 0033:0x463d89 [ 141.342377] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 141.367354] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.375769] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 141.384401] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 141.393062] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 141.401732] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 141.412827] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 141.429666] FAULT_INJECTION: forcing a failure. [ 141.429666] name failslab, interval 1, probability 0, space 0, times 0 [ 141.444489] CPU: 1 PID: 9767 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 141.452571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.462283] Call Trace: [ 141.465167] dump_stack+0x123/0x171 [ 141.469424] should_fail.cold.4+0x5/0xa [ 141.473756] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 141.479242] ? lock_downgrade+0x860/0x860 [ 141.484282] ? ___might_sleep+0x16b/0x270 [ 141.488623] __should_failslab+0xba/0xf0 [ 141.492772] should_failslab+0x9/0x20 [ 141.496652] kmem_cache_alloc_trace+0x2cb/0x740 [ 141.501399] ? qfq_change_class+0xa93/0x14e0 [ 141.505929] ? qfq_change_class+0xa93/0x14e0 [ 141.510697] ? __local_bh_enable_ip+0x160/0x260 [ 141.515881] qfq_change_class+0xad9/0x14e0 [ 141.520485] ? qfq_delete_class+0x2d0/0x2d0 [ 141.525239] ? nla_parse+0x197/0x280 [ 141.528950] tc_ctl_tclass+0x3e9/0xba0 [ 141.532948] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 141.538649] ? find_held_lock+0x36/0x1d0 [ 141.542861] rtnetlink_rcv_msg+0x34f/0x8f0 [ 141.547397] ? rtnetlink_put_metrics+0x490/0x490 [ 141.552291] ? find_held_lock+0x36/0x1d0 [ 141.556784] netlink_rcv_skb+0x13e/0x3d0 [ 141.560936] ? lock_downgrade+0x860/0x860 [ 141.565282] ? rtnetlink_put_metrics+0x490/0x490 [ 141.571280] ? netlink_ack+0xa70/0xa70 [ 141.575441] ? netlink_deliver_tap+0x182/0xb00 [ 141.580043] rtnetlink_rcv+0x10/0x20 [ 141.583877] netlink_unicast+0x443/0x650 [ 141.588281] ? netlink_attachskb+0x6c0/0x6c0 [ 141.592901] ? _copy_from_iter_full+0x182/0x720 [ 141.597854] ? __check_object_size+0x1ef/0x310 [ 141.602528] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 141.608179] netlink_sendmsg+0x764/0xc60 [ 141.612422] ? netlink_unicast+0x650/0x650 [ 141.616962] ? apparmor_socket_sendmsg+0x1b/0x20 [ 141.621806] ? netlink_unicast+0x650/0x650 [ 141.626272] sock_sendmsg+0xb5/0xf0 [ 141.629888] ___sys_sendmsg+0x647/0x950 [ 141.633998] ? find_held_lock+0x36/0x1d0 [ 141.638425] ? copy_msghdr_from_user+0x430/0x430 [ 141.643507] ? __fget+0x278/0x400 [ 141.647229] ? kasan_check_read+0x11/0x20 [ 141.651459] ? __fget+0x295/0x400 [ 141.655008] ? expand_files.part.8+0x700/0x700 [ 141.659772] ? __f_unlock_pos+0xd/0x10 [ 141.663656] ? __fget_light+0x174/0x1e0 [ 141.667815] ? __fdget+0xe/0x10 [ 141.671080] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 141.675916] __sys_sendmsg+0xd9/0x180 [ 141.679710] ? __ia32_sys_shutdown+0x70/0x70 [ 141.684208] ? __sb_end_write+0xa4/0xd0 [ 141.688485] ? kasan_check_write+0x14/0x20 [ 141.692728] ? fput+0x18/0x120 [ 141.696217] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.701578] __x64_sys_sendmsg+0x73/0xb0 [ 141.705738] do_syscall_64+0xd0/0x4e0 [ 141.709853] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.716000] RIP: 0033:0x463d89 [ 141.719355] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 141.738908] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.746909] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 141.754321] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 141.761584] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 141.769318] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 141.776577] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 141.791791] FAULT_INJECTION: forcing a failure. [ 141.791791] name failslab, interval 1, probability 0, space 0, times 0 [ 141.805608] CPU: 1 PID: 9781 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 141.813695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.823054] Call Trace: [ 141.825933] dump_stack+0x123/0x171 [ 141.829754] should_fail.cold.4+0x5/0xa [ 141.833730] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 141.838933] ? lock_downgrade+0x860/0x860 [ 141.843463] ? ___might_sleep+0x16b/0x270 [ 141.847621] __should_failslab+0xba/0xf0 [ 141.851780] should_failslab+0x9/0x20 [ 141.855685] kmem_cache_alloc_trace+0x2cb/0x740 [ 141.860446] ? qfq_change_class+0xa93/0x14e0 [ 141.864882] ? qfq_change_class+0xa93/0x14e0 [ 141.869294] ? __local_bh_enable_ip+0x160/0x260 [ 141.873968] qfq_change_class+0xad9/0x14e0 [ 141.878313] ? qfq_delete_class+0x2d0/0x2d0 [ 141.882942] ? nla_parse+0x197/0x280 [ 141.886652] tc_ctl_tclass+0x3e9/0xba0 [ 141.890534] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 141.895954] ? find_held_lock+0x36/0x1d0 [ 141.900189] rtnetlink_rcv_msg+0x34f/0x8f0 [ 141.904548] ? rtnetlink_put_metrics+0x490/0x490 [ 141.909292] ? find_held_lock+0x36/0x1d0 [ 141.913436] netlink_rcv_skb+0x13e/0x3d0 [ 141.918014] ? lock_downgrade+0x860/0x860 [ 141.922266] ? rtnetlink_put_metrics+0x490/0x490 [ 141.927546] ? netlink_ack+0xa70/0xa70 [ 141.931719] ? netlink_deliver_tap+0x182/0xb00 [ 141.936740] rtnetlink_rcv+0x10/0x20 [ 141.940461] netlink_unicast+0x443/0x650 [ 141.944978] ? netlink_attachskb+0x6c0/0x6c0 [ 141.949683] ? _copy_from_iter_full+0x182/0x720 [ 141.954647] ? __check_object_size+0x1ef/0x310 [ 141.959463] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 141.965492] netlink_sendmsg+0x764/0xc60 [ 141.969638] ? netlink_unicast+0x650/0x650 [ 141.973961] ? apparmor_socket_sendmsg+0x1b/0x20 [ 141.978714] ? netlink_unicast+0x650/0x650 [ 141.982950] sock_sendmsg+0xb5/0xf0 [ 141.986889] ___sys_sendmsg+0x647/0x950 [ 141.990964] ? find_held_lock+0x36/0x1d0 [ 141.995437] ? copy_msghdr_from_user+0x430/0x430 [ 142.001532] ? __fget+0x278/0x400 [ 142.005119] ? kasan_check_read+0x11/0x20 [ 142.009274] ? __fget+0x295/0x400 [ 142.013334] ? expand_files.part.8+0x700/0x700 [ 142.018257] ? __f_unlock_pos+0xd/0x10 [ 142.022381] ? __fget_light+0x174/0x1e0 [ 142.026609] ? __fdget+0xe/0x10 [ 142.030031] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 142.035228] __sys_sendmsg+0xd9/0x180 [ 142.039443] ? __ia32_sys_shutdown+0x70/0x70 [ 142.043942] ? __sb_end_write+0xa4/0xd0 [ 142.048302] ? kasan_check_write+0x14/0x20 [ 142.052723] ? fput+0x18/0x120 [ 142.056195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.061967] __x64_sys_sendmsg+0x73/0xb0 [ 142.066243] do_syscall_64+0xd0/0x4e0 [ 142.070035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.075309] RIP: 0033:0x463d89 [ 142.078598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 142.098026] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.106086] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 142.113873] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 142.121439] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 142.129177] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 142.136534] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 142.162961] FAULT_INJECTION: forcing a failure. [ 142.162961] name failslab, interval 1, probability 0, space 0, times 0 [ 142.180311] CPU: 1 PID: 9787 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 142.188691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.198281] Call Trace: [ 142.200853] dump_stack+0x123/0x171 [ 142.204551] should_fail.cold.4+0x5/0xa [ 142.208689] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 142.213893] ? lock_downgrade+0x860/0x860 [ 142.218196] ? ___might_sleep+0x16b/0x270 [ 142.222756] __should_failslab+0xba/0xf0 [ 142.226845] should_failslab+0x9/0x20 [ 142.230730] kmem_cache_alloc_trace+0x2cb/0x740 [ 142.235489] ? qfq_change_class+0xa93/0x14e0 [ 142.239997] ? __local_bh_enable_ip+0x160/0x260 [ 142.246908] qfq_change_class+0xad9/0x14e0 [ 142.251122] ? qfq_delete_class+0x2d0/0x2d0 [ 142.255606] ? nla_parse+0x197/0x280 [ 142.259497] tc_ctl_tclass+0x3e9/0xba0 [ 142.263457] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 142.268799] ? find_held_lock+0x36/0x1d0 [ 142.273202] rtnetlink_rcv_msg+0x34f/0x8f0 [ 142.277429] ? rtnetlink_put_metrics+0x490/0x490 [ 142.282197] ? find_held_lock+0x36/0x1d0 [ 142.286336] netlink_rcv_skb+0x13e/0x3d0 [ 142.291268] ? lock_downgrade+0x860/0x860 [ 142.295769] ? rtnetlink_put_metrics+0x490/0x490 [ 142.300878] ? netlink_ack+0xa70/0xa70 [ 142.304840] ? netlink_deliver_tap+0x182/0xb00 [ 142.309411] rtnetlink_rcv+0x10/0x20 [ 142.313200] netlink_unicast+0x443/0x650 [ 142.317713] ? netlink_attachskb+0x6c0/0x6c0 [ 142.322284] ? _copy_from_iter_full+0x182/0x720 [ 142.327315] ? __check_object_size+0x1ef/0x310 [ 142.331891] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 142.337614] netlink_sendmsg+0x764/0xc60 [ 142.341660] ? netlink_unicast+0x650/0x650 [ 142.346128] ? apparmor_socket_sendmsg+0x1b/0x20 [ 142.351228] ? netlink_unicast+0x650/0x650 [ 142.355544] sock_sendmsg+0xb5/0xf0 [ 142.360567] ___sys_sendmsg+0x647/0x950 [ 142.364994] ? find_held_lock+0x36/0x1d0 [ 142.369140] ? copy_msghdr_from_user+0x430/0x430 [ 142.373889] ? __fget+0x278/0x400 [ 142.377419] ? kasan_check_read+0x11/0x20 [ 142.382867] ? __fget+0x295/0x400 [ 142.386470] ? expand_files.part.8+0x700/0x700 [ 142.391345] ? __f_unlock_pos+0xd/0x10 [ 142.395768] ? __fget_light+0x174/0x1e0 [ 142.399907] ? __fdget+0xe/0x10 [ 142.403174] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 142.408028] __sys_sendmsg+0xd9/0x180 [ 142.411818] ? __ia32_sys_shutdown+0x70/0x70 [ 142.416428] ? __sb_end_write+0xa4/0xd0 [ 142.420489] ? kasan_check_write+0x14/0x20 [ 142.424710] ? fput+0x18/0x120 [ 142.428323] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.433857] __x64_sys_sendmsg+0x73/0xb0 [ 142.438099] do_syscall_64+0xd0/0x4e0 [ 142.441884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.447229] RIP: 0033:0x463d89 [ 142.450399] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 142.469730] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.477718] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 142.484994] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 142.492255] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 142.499688] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 142.506952] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 142.532549] FAULT_INJECTION: forcing a failure. [ 142.532549] name failslab, interval 1, probability 0, space 0, times 0 [ 142.550910] CPU: 0 PID: 9802 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 142.558880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.568550] Call Trace: [ 142.571421] dump_stack+0x123/0x171 [ 142.576349] should_fail.cold.4+0x5/0xa [ 142.580762] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 142.586077] ? lock_downgrade+0x860/0x860 [ 142.590491] ? ___might_sleep+0x16b/0x270 [ 142.594655] __should_failslab+0xba/0xf0 [ 142.598715] should_failslab+0x9/0x20 [ 142.602588] kmem_cache_alloc_trace+0x2cb/0x740 [ 142.607263] ? qfq_change_class+0xa93/0x14e0 [ 142.612597] ? qfq_change_class+0xa93/0x14e0 [ 142.617013] ? __local_bh_enable_ip+0x160/0x260 [ 142.622156] qfq_change_class+0xad9/0x14e0 [ 142.626405] ? qfq_delete_class+0x2d0/0x2d0 [ 142.630977] ? nla_parse+0x197/0x280 [ 142.635690] tc_ctl_tclass+0x3e9/0xba0 [ 142.639981] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 142.645872] ? find_held_lock+0x36/0x1d0 [ 142.650445] rtnetlink_rcv_msg+0x34f/0x8f0 [ 142.655292] ? rtnetlink_put_metrics+0x490/0x490 [ 142.660892] ? find_held_lock+0x36/0x1d0 [ 142.665346] netlink_rcv_skb+0x13e/0x3d0 [ 142.669524] ? lock_downgrade+0x860/0x860 [ 142.673754] ? rtnetlink_put_metrics+0x490/0x490 [ 142.678626] ? netlink_ack+0xa70/0xa70 [ 142.682882] ? netlink_deliver_tap+0x182/0xb00 [ 142.687463] rtnetlink_rcv+0x10/0x20 [ 142.691259] netlink_unicast+0x443/0x650 [ 142.695553] ? netlink_attachskb+0x6c0/0x6c0 [ 142.700142] ? _copy_from_iter_full+0x182/0x720 [ 142.705133] ? __check_object_size+0x1ef/0x310 [ 142.710147] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 142.716182] netlink_sendmsg+0x764/0xc60 [ 142.720273] ? netlink_unicast+0x650/0x650 [ 142.724889] ? apparmor_socket_sendmsg+0x1b/0x20 [ 142.729908] ? netlink_unicast+0x650/0x650 [ 142.734434] sock_sendmsg+0xb5/0xf0 [ 142.738140] ___sys_sendmsg+0x647/0x950 [ 142.742279] ? find_held_lock+0x36/0x1d0 [ 142.746334] ? copy_msghdr_from_user+0x430/0x430 [ 142.751284] ? __fget+0x278/0x400 [ 142.754732] ? kasan_check_read+0x11/0x20 [ 142.759378] ? __fget+0x295/0x400 [ 142.763380] ? expand_files.part.8+0x700/0x700 [ 142.768104] ? __f_unlock_pos+0xd/0x10 [ 142.771994] ? __fget_light+0x174/0x1e0 [ 142.775972] ? __fdget+0xe/0x10 [ 142.779330] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 142.784506] __sys_sendmsg+0xd9/0x180 [ 142.788411] ? __ia32_sys_shutdown+0x70/0x70 [ 142.793034] ? __sb_end_write+0xa4/0xd0 [ 142.797108] ? kasan_check_write+0x14/0x20 [ 142.801512] ? fput+0x18/0x120 [ 142.804721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.810079] __x64_sys_sendmsg+0x73/0xb0 [ 142.814248] do_syscall_64+0xd0/0x4e0 [ 142.818240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.823531] RIP: 0033:0x463d89 2021/04/24 20:07:57 executed programs: 267 [ 142.826909] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 142.846202] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.854764] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 142.862197] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 142.869917] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 142.877259] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 142.884861] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 142.894917] FAULT_INJECTION: forcing a failure. [ 142.894917] name failslab, interval 1, probability 0, space 0, times 0 [ 142.907913] CPU: 0 PID: 9803 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 142.916090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.925531] Call Trace: [ 142.928214] dump_stack+0x123/0x171 [ 142.931848] should_fail.cold.4+0x5/0xa [ 142.935828] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 142.940935] ? lock_downgrade+0x860/0x860 [ 142.945492] ? ___might_sleep+0x16b/0x270 [ 142.949748] __should_failslab+0xba/0xf0 [ 142.954132] should_failslab+0x9/0x20 [ 142.958023] kmem_cache_alloc_trace+0x2cb/0x740 [ 142.963108] ? qfq_change_class+0xa93/0x14e0 [ 142.967629] ? qfq_change_class+0xa93/0x14e0 [ 142.972472] ? __local_bh_enable_ip+0x160/0x260 [ 142.977340] qfq_change_class+0xad9/0x14e0 [ 142.981607] ? qfq_delete_class+0x2d0/0x2d0 [ 142.986131] ? nla_parse+0x197/0x280 [ 142.989945] tc_ctl_tclass+0x3e9/0xba0 [ 142.993833] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 142.999154] ? find_held_lock+0x36/0x1d0 [ 143.003314] rtnetlink_rcv_msg+0x34f/0x8f0 [ 143.008002] ? rtnetlink_put_metrics+0x490/0x490 [ 143.013018] ? find_held_lock+0x36/0x1d0 [ 143.017182] netlink_rcv_skb+0x13e/0x3d0 [ 143.021231] ? lock_downgrade+0x860/0x860 [ 143.025458] ? rtnetlink_put_metrics+0x490/0x490 [ 143.030410] ? netlink_ack+0xa70/0xa70 [ 143.034316] ? netlink_deliver_tap+0x182/0xb00 [ 143.039103] rtnetlink_rcv+0x10/0x20 [ 143.042834] netlink_unicast+0x443/0x650 [ 143.047191] ? netlink_attachskb+0x6c0/0x6c0 [ 143.051829] ? _copy_from_iter_full+0x182/0x720 [ 143.056575] ? __check_object_size+0x1ef/0x310 [ 143.061293] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 143.067016] netlink_sendmsg+0x764/0xc60 [ 143.071286] ? netlink_unicast+0x650/0x650 [ 143.075734] ? apparmor_socket_sendmsg+0x1b/0x20 [ 143.080754] ? netlink_unicast+0x650/0x650 [ 143.085286] sock_sendmsg+0xb5/0xf0 [ 143.089112] ___sys_sendmsg+0x647/0x950 [ 143.093177] ? find_held_lock+0x36/0x1d0 [ 143.097451] ? copy_msghdr_from_user+0x430/0x430 [ 143.102200] ? __fget+0x278/0x400 [ 143.105671] ? kasan_check_read+0x11/0x20 [ 143.110385] ? __fget+0x295/0x400 [ 143.113845] ? expand_files.part.8+0x700/0x700 [ 143.118521] ? __f_unlock_pos+0xd/0x10 [ 143.122841] ? __fget_light+0x174/0x1e0 [ 143.127090] ? __fdget+0xe/0x10 [ 143.130626] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 143.135575] __sys_sendmsg+0xd9/0x180 [ 143.139603] ? __ia32_sys_shutdown+0x70/0x70 [ 143.144196] ? __sb_end_write+0xa4/0xd0 [ 143.148286] ? kasan_check_write+0x14/0x20 [ 143.152663] ? fput+0x18/0x120 [ 143.155963] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.161504] __x64_sys_sendmsg+0x73/0xb0 [ 143.165729] do_syscall_64+0xd0/0x4e0 [ 143.169795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.175327] RIP: 0033:0x463d89 [ 143.178612] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 143.198503] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.206375] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 143.213934] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 143.221532] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 143.228794] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 143.236267] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 143.246366] nla_parse: 5 callbacks suppressed [ 143.246370] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 143.267583] FAULT_INJECTION: forcing a failure. [ 143.267583] name failslab, interval 1, probability 0, space 0, times 0 [ 143.279863] CPU: 0 PID: 9813 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 143.288021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.297675] Call Trace: [ 143.300354] dump_stack+0x123/0x171 [ 143.304076] should_fail.cold.4+0x5/0xa [ 143.308260] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 143.313455] ? lock_downgrade+0x860/0x860 [ 143.317598] ? ___might_sleep+0x16b/0x270 [ 143.321746] __should_failslab+0xba/0xf0 [ 143.325899] should_failslab+0x9/0x20 [ 143.329688] kmem_cache_alloc_trace+0x2cb/0x740 [ 143.334438] ? qfq_change_class+0xa93/0x14e0 [ 143.339048] ? qfq_change_class+0xa93/0x14e0 [ 143.343530] ? __local_bh_enable_ip+0x160/0x260 [ 143.348386] qfq_change_class+0xad9/0x14e0 [ 143.352747] ? qfq_delete_class+0x2d0/0x2d0 [ 143.357773] ? nla_parse+0x197/0x280 [ 143.361840] tc_ctl_tclass+0x3e9/0xba0 [ 143.365874] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 143.371284] ? find_held_lock+0x36/0x1d0 [ 143.375371] rtnetlink_rcv_msg+0x34f/0x8f0 [ 143.379691] ? rtnetlink_put_metrics+0x490/0x490 [ 143.384995] ? find_held_lock+0x36/0x1d0 [ 143.389580] netlink_rcv_skb+0x13e/0x3d0 [ 143.393841] ? lock_downgrade+0x860/0x860 [ 143.398100] ? rtnetlink_put_metrics+0x490/0x490 [ 143.403084] ? netlink_ack+0xa70/0xa70 [ 143.407054] ? netlink_deliver_tap+0x182/0xb00 [ 143.411645] rtnetlink_rcv+0x10/0x20 [ 143.415819] netlink_unicast+0x443/0x650 [ 143.420142] ? netlink_attachskb+0x6c0/0x6c0 [ 143.424541] ? _copy_from_iter_full+0x182/0x720 [ 143.429400] ? __check_object_size+0x1ef/0x310 [ 143.434253] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 143.440053] netlink_sendmsg+0x764/0xc60 [ 143.444308] ? netlink_unicast+0x650/0x650 [ 143.448545] ? apparmor_socket_sendmsg+0x1b/0x20 [ 143.453899] ? netlink_unicast+0x650/0x650 [ 143.458137] sock_sendmsg+0xb5/0xf0 [ 143.461921] ___sys_sendmsg+0x647/0x950 [ 143.465996] ? find_held_lock+0x36/0x1d0 [ 143.470142] ? copy_msghdr_from_user+0x430/0x430 [ 143.474991] ? __fget+0x278/0x400 [ 143.478674] ? kasan_check_read+0x11/0x20 [ 143.483103] ? __fget+0x295/0x400 [ 143.486809] ? expand_files.part.8+0x700/0x700 [ 143.491940] ? __f_unlock_pos+0xd/0x10 [ 143.495929] ? __fget_light+0x174/0x1e0 [ 143.499910] ? __fdget+0xe/0x10 [ 143.503195] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 143.508115] __sys_sendmsg+0xd9/0x180 [ 143.512296] ? __ia32_sys_shutdown+0x70/0x70 [ 143.516795] ? __sb_end_write+0xa4/0xd0 [ 143.520768] ? kasan_check_write+0x14/0x20 [ 143.524986] ? fput+0x18/0x120 [ 143.528168] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.533719] __x64_sys_sendmsg+0x73/0xb0 [ 143.537791] do_syscall_64+0xd0/0x4e0 [ 143.541732] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.546911] RIP: 0033:0x463d89 [ 143.550407] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 143.569567] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.577277] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 143.584787] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 143.592948] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 143.600644] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 143.608516] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 143.618470] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 143.640320] FAULT_INJECTION: forcing a failure. [ 143.640320] name failslab, interval 1, probability 0, space 0, times 0 [ 143.654563] CPU: 0 PID: 9823 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 143.662557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.672553] Call Trace: [ 143.675158] dump_stack+0x123/0x171 [ 143.678928] should_fail.cold.4+0x5/0xa [ 143.682913] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 143.688092] ? lock_downgrade+0x860/0x860 [ 143.692481] ? ___might_sleep+0x16b/0x270 [ 143.696909] __should_failslab+0xba/0xf0 [ 143.701592] should_failslab+0x9/0x20 [ 143.705486] kmem_cache_alloc_trace+0x2cb/0x740 [ 143.710274] ? qfq_change_class+0xa93/0x14e0 [ 143.714844] ? qfq_change_class+0xa93/0x14e0 [ 143.719249] ? __local_bh_enable_ip+0x160/0x260 [ 143.724471] qfq_change_class+0xad9/0x14e0 [ 143.728799] ? qfq_delete_class+0x2d0/0x2d0 [ 143.733728] ? nla_parse+0x197/0x280 [ 143.737445] tc_ctl_tclass+0x3e9/0xba0 [ 143.741650] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 143.746751] ? find_held_lock+0x36/0x1d0 [ 143.750924] rtnetlink_rcv_msg+0x34f/0x8f0 [ 143.755251] ? rtnetlink_put_metrics+0x490/0x490 [ 143.760012] ? find_held_lock+0x36/0x1d0 [ 143.764191] netlink_rcv_skb+0x13e/0x3d0 [ 143.768525] ? lock_downgrade+0x860/0x860 [ 143.772945] ? rtnetlink_put_metrics+0x490/0x490 [ 143.777884] ? netlink_ack+0xa70/0xa70 [ 143.781787] ? netlink_deliver_tap+0x182/0xb00 [ 143.786375] rtnetlink_rcv+0x10/0x20 [ 143.790175] netlink_unicast+0x443/0x650 [ 143.794317] ? netlink_attachskb+0x6c0/0x6c0 [ 143.798920] ? _copy_from_iter_full+0x182/0x720 [ 143.803619] ? __check_object_size+0x1ef/0x310 [ 143.808274] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 143.814928] netlink_sendmsg+0x764/0xc60 [ 143.819089] ? netlink_unicast+0x650/0x650 [ 143.823593] ? apparmor_socket_sendmsg+0x1b/0x20 [ 143.828560] ? netlink_unicast+0x650/0x650 [ 143.832886] sock_sendmsg+0xb5/0xf0 [ 143.836517] ___sys_sendmsg+0x647/0x950 [ 143.840727] ? find_held_lock+0x36/0x1d0 [ 143.844786] ? copy_msghdr_from_user+0x430/0x430 [ 143.849538] ? __fget+0x278/0x400 [ 143.853159] ? kasan_check_read+0x11/0x20 [ 143.857404] ? __fget+0x295/0x400 [ 143.860938] ? expand_files.part.8+0x700/0x700 [ 143.865519] ? __f_unlock_pos+0xd/0x10 [ 143.869670] ? __fget_light+0x174/0x1e0 [ 143.873643] ? __fdget+0xe/0x10 [ 143.877017] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 143.881997] __sys_sendmsg+0xd9/0x180 [ 143.885972] ? __ia32_sys_shutdown+0x70/0x70 [ 143.890407] ? __sb_end_write+0xa4/0xd0 [ 143.894557] ? kasan_check_write+0x14/0x20 [ 143.898976] ? fput+0x18/0x120 [ 143.902210] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.908565] __x64_sys_sendmsg+0x73/0xb0 [ 143.913329] do_syscall_64+0xd0/0x4e0 [ 143.917353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.922892] RIP: 0033:0x463d89 [ 143.926169] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 143.945643] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.953559] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 143.961112] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 143.968373] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 143.976018] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 143.983413] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 143.993989] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 144.021296] FAULT_INJECTION: forcing a failure. [ 144.021296] name failslab, interval 1, probability 0, space 0, times 0 [ 144.037127] CPU: 1 PID: 9845 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 144.045591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.056055] Call Trace: [ 144.058642] dump_stack+0x123/0x171 [ 144.062708] should_fail.cold.4+0x5/0xa [ 144.066696] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 144.072146] ? lock_downgrade+0x860/0x860 [ 144.076289] ? ___might_sleep+0x16b/0x270 [ 144.080790] __should_failslab+0xba/0xf0 [ 144.084863] should_failslab+0x9/0x20 [ 144.088756] kmem_cache_alloc_trace+0x2cb/0x740 [ 144.093442] ? qfq_change_class+0xa93/0x14e0 [ 144.098123] ? qfq_change_class+0xa93/0x14e0 [ 144.102612] ? __local_bh_enable_ip+0x160/0x260 [ 144.107678] qfq_change_class+0xad9/0x14e0 [ 144.112080] ? qfq_delete_class+0x2d0/0x2d0 [ 144.116604] ? nla_parse+0x197/0x280 [ 144.120409] tc_ctl_tclass+0x3e9/0xba0 [ 144.124647] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 144.129740] ? find_held_lock+0x36/0x1d0 [ 144.133883] rtnetlink_rcv_msg+0x34f/0x8f0 [ 144.138196] ? rtnetlink_put_metrics+0x490/0x490 [ 144.143224] ? find_held_lock+0x36/0x1d0 [ 144.147379] netlink_rcv_skb+0x13e/0x3d0 [ 144.151517] ? lock_downgrade+0x860/0x860 [ 144.155944] ? rtnetlink_put_metrics+0x490/0x490 [ 144.160938] ? netlink_ack+0xa70/0xa70 [ 144.165340] ? netlink_deliver_tap+0x182/0xb00 [ 144.170294] rtnetlink_rcv+0x10/0x20 [ 144.174200] netlink_unicast+0x443/0x650 [ 144.178349] ? netlink_attachskb+0x6c0/0x6c0 [ 144.183109] ? _copy_from_iter_full+0x182/0x720 [ 144.188040] ? __check_object_size+0x1ef/0x310 [ 144.192704] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 144.198343] netlink_sendmsg+0x764/0xc60 [ 144.202404] ? netlink_unicast+0x650/0x650 [ 144.206904] ? apparmor_socket_sendmsg+0x1b/0x20 [ 144.211669] ? netlink_unicast+0x650/0x650 [ 144.216244] sock_sendmsg+0xb5/0xf0 [ 144.219997] ___sys_sendmsg+0x647/0x950 [ 144.224047] ? find_held_lock+0x36/0x1d0 [ 144.228288] ? copy_msghdr_from_user+0x430/0x430 [ 144.233040] ? __fget+0x278/0x400 [ 144.236485] ? kasan_check_read+0x11/0x20 [ 144.240808] ? __fget+0x295/0x400 [ 144.244434] ? expand_files.part.8+0x700/0x700 [ 144.249087] ? __f_unlock_pos+0xd/0x10 [ 144.253051] ? __fget_light+0x174/0x1e0 [ 144.257370] ? __fdget+0xe/0x10 [ 144.260979] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 144.266060] __sys_sendmsg+0xd9/0x180 [ 144.269853] ? __ia32_sys_shutdown+0x70/0x70 [ 144.274254] ? __sb_end_write+0xa4/0xd0 [ 144.278212] ? kasan_check_write+0x14/0x20 [ 144.282437] ? fput+0x18/0x120 [ 144.285860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.291296] __x64_sys_sendmsg+0x73/0xb0 [ 144.295352] do_syscall_64+0xd0/0x4e0 [ 144.299252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.304715] RIP: 0033:0x463d89 [ 144.307913] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 144.327395] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.336060] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 144.343759] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 144.351265] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 144.359378] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 144.366930] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 144.378747] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 144.415512] FAULT_INJECTION: forcing a failure. [ 144.415512] name failslab, interval 1, probability 0, space 0, times 0 [ 144.427450] CPU: 1 PID: 9847 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 144.436016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.445708] Call Trace: [ 144.448402] dump_stack+0x123/0x171 [ 144.452025] should_fail.cold.4+0x5/0xa [ 144.456436] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 144.461788] ? lock_downgrade+0x860/0x860 [ 144.466299] ? ___might_sleep+0x16b/0x270 [ 144.470750] __should_failslab+0xba/0xf0 [ 144.475078] should_failslab+0x9/0x20 [ 144.478887] kmem_cache_alloc_trace+0x2cb/0x740 [ 144.483727] ? qfq_change_class+0xa93/0x14e0 [ 144.488428] ? qfq_change_class+0xa93/0x14e0 [ 144.493097] ? __local_bh_enable_ip+0x160/0x260 [ 144.497839] qfq_change_class+0xad9/0x14e0 [ 144.502236] ? qfq_delete_class+0x2d0/0x2d0 [ 144.507262] ? nla_parse+0x197/0x280 [ 144.511336] tc_ctl_tclass+0x3e9/0xba0 [ 144.515635] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 144.521499] ? find_held_lock+0x36/0x1d0 [ 144.526057] rtnetlink_rcv_msg+0x34f/0x8f0 [ 144.530552] ? rtnetlink_put_metrics+0x490/0x490 [ 144.535475] ? find_held_lock+0x36/0x1d0 [ 144.539897] netlink_rcv_skb+0x13e/0x3d0 [ 144.544526] ? lock_downgrade+0x860/0x860 [ 144.549108] ? rtnetlink_put_metrics+0x490/0x490 [ 144.554005] ? netlink_ack+0xa70/0xa70 [ 144.558189] ? netlink_deliver_tap+0x182/0xb00 [ 144.562772] rtnetlink_rcv+0x10/0x20 [ 144.566769] netlink_unicast+0x443/0x650 [ 144.571232] ? netlink_attachskb+0x6c0/0x6c0 [ 144.576081] ? _copy_from_iter_full+0x182/0x720 [ 144.581203] ? __check_object_size+0x1ef/0x310 [ 144.586221] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 144.592234] netlink_sendmsg+0x764/0xc60 [ 144.596391] ? netlink_unicast+0x650/0x650 [ 144.600709] ? apparmor_socket_sendmsg+0x1b/0x20 [ 144.605474] ? netlink_unicast+0x650/0x650 [ 144.610438] sock_sendmsg+0xb5/0xf0 [ 144.614149] ___sys_sendmsg+0x647/0x950 [ 144.618500] ? find_held_lock+0x36/0x1d0 [ 144.622980] ? copy_msghdr_from_user+0x430/0x430 [ 144.628013] ? __fget+0x278/0x400 [ 144.631458] ? kasan_check_read+0x11/0x20 [ 144.636085] ? __fget+0x295/0x400 [ 144.639617] ? expand_files.part.8+0x700/0x700 [ 144.644380] ? __f_unlock_pos+0xd/0x10 [ 144.648958] ? __fget_light+0x174/0x1e0 [ 144.653212] ? __fdget+0xe/0x10 [ 144.656645] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 144.661555] __sys_sendmsg+0xd9/0x180 [ 144.666090] ? __ia32_sys_shutdown+0x70/0x70 [ 144.670643] ? __sb_end_write+0xa4/0xd0 [ 144.674845] ? kasan_check_write+0x14/0x20 [ 144.679288] ? fput+0x18/0x120 [ 144.682476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.687836] __x64_sys_sendmsg+0x73/0xb0 [ 144.692262] do_syscall_64+0xd0/0x4e0 [ 144.696590] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.701829] RIP: 0033:0x463d89 [ 144.705025] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 144.726001] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.733833] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 144.741769] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 144.749138] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 144.757222] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 144.764726] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 144.773440] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 144.796418] FAULT_INJECTION: forcing a failure. [ 144.796418] name failslab, interval 1, probability 0, space 0, times 0 [ 144.809003] CPU: 1 PID: 9853 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 144.816896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.826753] Call Trace: [ 144.829544] dump_stack+0x123/0x171 [ 144.833182] should_fail.cold.4+0x5/0xa [ 144.837264] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 144.842565] ? lock_downgrade+0x860/0x860 [ 144.846984] ? ___might_sleep+0x16b/0x270 [ 144.851486] __should_failslab+0xba/0xf0 [ 144.855588] should_failslab+0x9/0x20 [ 144.859505] kmem_cache_alloc_trace+0x2cb/0x740 [ 144.864269] ? qfq_change_class+0xa93/0x14e0 [ 144.868932] ? qfq_change_class+0xa93/0x14e0 [ 144.873435] ? __local_bh_enable_ip+0x160/0x260 [ 144.878102] qfq_change_class+0xad9/0x14e0 [ 144.882349] ? qfq_delete_class+0x2d0/0x2d0 [ 144.886764] ? nla_parse+0x197/0x280 [ 144.890477] tc_ctl_tclass+0x3e9/0xba0 [ 144.894663] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 144.899936] ? find_held_lock+0x36/0x1d0 [ 144.904336] rtnetlink_rcv_msg+0x34f/0x8f0 [ 144.908741] ? rtnetlink_put_metrics+0x490/0x490 [ 144.913783] ? find_held_lock+0x36/0x1d0 [ 144.917968] netlink_rcv_skb+0x13e/0x3d0 [ 144.922175] ? lock_downgrade+0x860/0x860 [ 144.926511] ? rtnetlink_put_metrics+0x490/0x490 [ 144.931346] ? netlink_ack+0xa70/0xa70 [ 144.935231] ? netlink_deliver_tap+0x182/0xb00 [ 144.940487] rtnetlink_rcv+0x10/0x20 [ 144.944835] netlink_unicast+0x443/0x650 [ 144.949208] ? netlink_attachskb+0x6c0/0x6c0 [ 144.953722] ? _copy_from_iter_full+0x182/0x720 [ 144.958593] ? __check_object_size+0x1ef/0x310 [ 144.963453] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 144.969281] netlink_sendmsg+0x764/0xc60 [ 144.973425] ? netlink_unicast+0x650/0x650 [ 144.977762] ? apparmor_socket_sendmsg+0x1b/0x20 [ 144.983158] ? netlink_unicast+0x650/0x650 [ 144.987604] sock_sendmsg+0xb5/0xf0 [ 144.991312] ___sys_sendmsg+0x647/0x950 [ 144.996048] ? find_held_lock+0x36/0x1d0 [ 145.000340] ? copy_msghdr_from_user+0x430/0x430 [ 145.005805] ? __fget+0x278/0x400 [ 145.009602] ? kasan_check_read+0x11/0x20 [ 145.014069] ? __fget+0x295/0x400 [ 145.018211] ? expand_files.part.8+0x700/0x700 [ 145.022790] ? __f_unlock_pos+0xd/0x10 [ 145.026939] ? __fget_light+0x174/0x1e0 [ 145.031453] ? __fdget+0xe/0x10 [ 145.034981] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 145.040263] __sys_sendmsg+0xd9/0x180 [ 145.044172] ? __ia32_sys_shutdown+0x70/0x70 [ 145.048950] ? __sb_end_write+0xa4/0xd0 [ 145.052969] ? kasan_check_write+0x14/0x20 [ 145.057528] ? fput+0x18/0x120 [ 145.061137] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.067203] __x64_sys_sendmsg+0x73/0xb0 [ 145.071266] do_syscall_64+0xd0/0x4e0 [ 145.075370] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.081006] RIP: 0033:0x463d89 [ 145.084281] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 145.105517] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.114110] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 145.121711] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 145.129901] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 145.137636] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 145.145136] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 145.175572] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 145.201576] FAULT_INJECTION: forcing a failure. [ 145.201576] name failslab, interval 1, probability 0, space 0, times 0 [ 145.214958] CPU: 1 PID: 9863 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 145.223212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.233136] Call Trace: [ 145.235803] dump_stack+0x123/0x171 [ 145.239698] should_fail.cold.4+0x5/0xa [ 145.243839] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 145.248943] ? lock_downgrade+0x860/0x860 [ 145.253173] ? ___might_sleep+0x16b/0x270 [ 145.257598] __should_failslab+0xba/0xf0 [ 145.261935] should_failslab+0x9/0x20 [ 145.265823] kmem_cache_alloc_trace+0x2cb/0x740 [ 145.271088] ? qfq_change_class+0xa93/0x14e0 [ 145.275870] ? qfq_change_class+0xa93/0x14e0 [ 145.280282] ? __local_bh_enable_ip+0x160/0x260 [ 145.285204] qfq_change_class+0xad9/0x14e0 [ 145.289725] ? qfq_delete_class+0x2d0/0x2d0 [ 145.294225] ? nla_parse+0x197/0x280 [ 145.298631] tc_ctl_tclass+0x3e9/0xba0 [ 145.302512] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 145.307950] ? find_held_lock+0x36/0x1d0 [ 145.312128] rtnetlink_rcv_msg+0x34f/0x8f0 [ 145.316354] ? rtnetlink_put_metrics+0x490/0x490 [ 145.321293] ? find_held_lock+0x36/0x1d0 [ 145.325713] netlink_rcv_skb+0x13e/0x3d0 [ 145.330246] ? lock_downgrade+0x860/0x860 [ 145.334562] ? rtnetlink_put_metrics+0x490/0x490 [ 145.339465] ? netlink_ack+0xa70/0xa70 [ 145.343559] ? netlink_deliver_tap+0x182/0xb00 [ 145.348642] rtnetlink_rcv+0x10/0x20 [ 145.352714] netlink_unicast+0x443/0x650 [ 145.357873] ? netlink_attachskb+0x6c0/0x6c0 [ 145.362677] ? _copy_from_iter_full+0x182/0x720 [ 145.367343] ? __check_object_size+0x1ef/0x310 [ 145.372023] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 145.377967] netlink_sendmsg+0x764/0xc60 [ 145.382153] ? netlink_unicast+0x650/0x650 [ 145.387879] ? apparmor_socket_sendmsg+0x1b/0x20 [ 145.393658] ? netlink_unicast+0x650/0x650 [ 145.397895] sock_sendmsg+0xb5/0xf0 [ 145.401525] ___sys_sendmsg+0x647/0x950 [ 145.405589] ? find_held_lock+0x36/0x1d0 [ 145.409650] ? copy_msghdr_from_user+0x430/0x430 [ 145.414427] ? __fget+0x278/0x400 [ 145.417967] ? kasan_check_read+0x11/0x20 [ 145.422530] ? __fget+0x295/0x400 [ 145.426063] ? expand_files.part.8+0x700/0x700 [ 145.430972] ? __f_unlock_pos+0xd/0x10 [ 145.435098] ? __fget_light+0x174/0x1e0 [ 145.439131] ? __fdget+0xe/0x10 [ 145.442863] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 145.447735] __sys_sendmsg+0xd9/0x180 [ 145.451846] ? __ia32_sys_shutdown+0x70/0x70 [ 145.456743] ? __sb_end_write+0xa4/0xd0 [ 145.460879] ? kasan_check_write+0x14/0x20 [ 145.465464] ? fput+0x18/0x120 [ 145.468660] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.474250] __x64_sys_sendmsg+0x73/0xb0 [ 145.478307] do_syscall_64+0xd0/0x4e0 [ 145.482190] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.487887] RIP: 0033:0x463d89 [ 145.491501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 145.511065] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.518995] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 145.526371] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 145.533903] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 145.541249] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 145.548795] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 145.557555] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 145.580829] FAULT_INJECTION: forcing a failure. [ 145.580829] name failslab, interval 1, probability 0, space 0, times 0 [ 145.594338] CPU: 1 PID: 9873 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 145.602431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.612893] Call Trace: [ 145.615629] dump_stack+0x123/0x171 [ 145.619510] should_fail.cold.4+0x5/0xa [ 145.623861] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 145.629235] ? lock_downgrade+0x860/0x860 [ 145.634091] ? ___might_sleep+0x16b/0x270 [ 145.638232] __should_failslab+0xba/0xf0 [ 145.642306] should_failslab+0x9/0x20 [ 145.646436] kmem_cache_alloc_trace+0x2cb/0x740 [ 145.651196] ? qfq_change_class+0xa93/0x14e0 [ 145.656141] ? qfq_change_class+0xa93/0x14e0 [ 145.661149] ? __local_bh_enable_ip+0x160/0x260 [ 145.665905] qfq_change_class+0xad9/0x14e0 [ 145.670148] ? qfq_delete_class+0x2d0/0x2d0 [ 145.675379] ? nla_parse+0x197/0x280 [ 145.679439] tc_ctl_tclass+0x3e9/0xba0 [ 145.683753] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 145.689043] ? find_held_lock+0x36/0x1d0 [ 145.693193] rtnetlink_rcv_msg+0x34f/0x8f0 [ 145.697505] ? rtnetlink_put_metrics+0x490/0x490 [ 145.702600] ? find_held_lock+0x36/0x1d0 [ 145.706742] netlink_rcv_skb+0x13e/0x3d0 [ 145.711373] ? lock_downgrade+0x860/0x860 [ 145.715513] ? rtnetlink_put_metrics+0x490/0x490 [ 145.720487] ? netlink_ack+0xa70/0xa70 [ 145.724758] ? netlink_deliver_tap+0x182/0xb00 [ 145.729951] rtnetlink_rcv+0x10/0x20 [ 145.733839] netlink_unicast+0x443/0x650 [ 145.737893] ? netlink_attachskb+0x6c0/0x6c0 [ 145.742564] ? _copy_from_iter_full+0x182/0x720 [ 145.747234] ? __check_object_size+0x1ef/0x310 [ 145.751806] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 145.757537] netlink_sendmsg+0x764/0xc60 [ 145.761753] ? netlink_unicast+0x650/0x650 [ 145.766070] ? apparmor_socket_sendmsg+0x1b/0x20 [ 145.770901] ? netlink_unicast+0x650/0x650 [ 145.775145] sock_sendmsg+0xb5/0xf0 [ 145.778816] ___sys_sendmsg+0x647/0x950 [ 145.783088] ? find_held_lock+0x36/0x1d0 [ 145.787139] ? copy_msghdr_from_user+0x430/0x430 [ 145.791977] ? __fget+0x278/0x400 [ 145.795417] ? kasan_check_read+0x11/0x20 [ 145.799852] ? __fget+0x295/0x400 [ 145.803316] ? expand_files.part.8+0x700/0x700 [ 145.807970] ? __f_unlock_pos+0xd/0x10 [ 145.811849] ? __fget_light+0x174/0x1e0 [ 145.815934] ? __fdget+0xe/0x10 [ 145.819211] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 145.824182] __sys_sendmsg+0xd9/0x180 [ 145.827979] ? __ia32_sys_shutdown+0x70/0x70 [ 145.832539] ? __sb_end_write+0xa4/0xd0 [ 145.836868] ? kasan_check_write+0x14/0x20 [ 145.841329] ? fput+0x18/0x120 [ 145.844712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.850065] __x64_sys_sendmsg+0x73/0xb0 [ 145.854222] do_syscall_64+0xd0/0x4e0 [ 145.858021] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.863287] RIP: 0033:0x463d89 [ 145.867240] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 145.887175] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.895184] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 145.903487] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 145.911528] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 145.919137] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 145.926574] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 145.935907] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 145.959045] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 145.980344] FAULT_INJECTION: forcing a failure. [ 145.980344] name failslab, interval 1, probability 0, space 0, times 0 [ 145.992835] CPU: 0 PID: 9891 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 146.001162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.010818] Call Trace: [ 146.013416] dump_stack+0x123/0x171 [ 146.017131] should_fail.cold.4+0x5/0xa [ 146.021318] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 146.026771] ? lock_downgrade+0x860/0x860 [ 146.031075] ? ___might_sleep+0x16b/0x270 [ 146.035226] __should_failslab+0xba/0xf0 [ 146.039766] should_failslab+0x9/0x20 [ 146.043740] kmem_cache_alloc_trace+0x2cb/0x740 [ 146.048705] ? qfq_change_class+0xa93/0x14e0 [ 146.053349] ? qfq_change_class+0xa93/0x14e0 [ 146.058114] ? __local_bh_enable_ip+0x160/0x260 [ 146.063006] qfq_change_class+0xad9/0x14e0 [ 146.067530] ? qfq_delete_class+0x2d0/0x2d0 [ 146.072585] ? nla_parse+0x197/0x280 [ 146.076349] tc_ctl_tclass+0x3e9/0xba0 [ 146.080531] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 146.086029] ? find_held_lock+0x36/0x1d0 [ 146.090157] rtnetlink_rcv_msg+0x34f/0x8f0 [ 146.094398] ? rtnetlink_put_metrics+0x490/0x490 [ 146.099237] ? find_held_lock+0x36/0x1d0 [ 146.103383] netlink_rcv_skb+0x13e/0x3d0 [ 146.107455] ? lock_downgrade+0x860/0x860 [ 146.112057] ? rtnetlink_put_metrics+0x490/0x490 [ 146.116908] ? netlink_ack+0xa70/0xa70 [ 146.120789] ? netlink_deliver_tap+0x182/0xb00 [ 146.125375] rtnetlink_rcv+0x10/0x20 [ 146.129180] netlink_unicast+0x443/0x650 [ 146.133325] ? netlink_attachskb+0x6c0/0x6c0 [ 146.137749] ? _copy_from_iter_full+0x182/0x720 [ 146.142526] ? __check_object_size+0x1ef/0x310 [ 146.147257] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 146.152796] netlink_sendmsg+0x764/0xc60 [ 146.156955] ? netlink_unicast+0x650/0x650 [ 146.161181] ? apparmor_socket_sendmsg+0x1b/0x20 [ 146.166097] ? netlink_unicast+0x650/0x650 [ 146.170591] sock_sendmsg+0xb5/0xf0 [ 146.174233] ___sys_sendmsg+0x647/0x950 [ 146.178210] ? find_held_lock+0x36/0x1d0 [ 146.182353] ? copy_msghdr_from_user+0x430/0x430 [ 146.187677] ? __fget+0x278/0x400 [ 146.191380] ? kasan_check_read+0x11/0x20 [ 146.195733] ? __fget+0x295/0x400 [ 146.199608] ? expand_files.part.8+0x700/0x700 [ 146.204465] ? __f_unlock_pos+0xd/0x10 [ 146.208371] ? __fget_light+0x174/0x1e0 [ 146.212435] ? __fdget+0xe/0x10 [ 146.215729] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 146.220678] __sys_sendmsg+0xd9/0x180 [ 146.224481] ? __ia32_sys_shutdown+0x70/0x70 [ 146.229242] ? __sb_end_write+0xa4/0xd0 [ 146.233636] ? kasan_check_write+0x14/0x20 [ 146.237979] ? fput+0x18/0x120 [ 146.241253] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.246620] __x64_sys_sendmsg+0x73/0xb0 [ 146.250773] do_syscall_64+0xd0/0x4e0 [ 146.254570] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.260061] RIP: 0033:0x463d89 [ 146.263458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 146.283057] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.290999] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 146.298543] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 146.306288] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 146.314064] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 146.321827] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 146.333644] FAULT_INJECTION: forcing a failure. [ 146.333644] name failslab, interval 1, probability 0, space 0, times 0 [ 146.354425] CPU: 0 PID: 9901 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 146.363471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.373883] Call Trace: [ 146.376620] dump_stack+0x123/0x171 [ 146.380336] should_fail.cold.4+0x5/0xa [ 146.384591] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 146.389683] ? lock_downgrade+0x860/0x860 [ 146.394231] ? ___might_sleep+0x16b/0x270 [ 146.398895] __should_failslab+0xba/0xf0 [ 146.405332] should_failslab+0x9/0x20 [ 146.410002] kmem_cache_alloc_trace+0x2cb/0x740 [ 146.415654] ? qfq_change_class+0xa93/0x14e0 [ 146.420600] ? qfq_change_class+0xa93/0x14e0 [ 146.425095] ? __local_bh_enable_ip+0x160/0x260 [ 146.430339] qfq_change_class+0xad9/0x14e0 [ 146.435110] ? qfq_delete_class+0x2d0/0x2d0 [ 146.439553] ? nla_parse+0x197/0x280 [ 146.443267] tc_ctl_tclass+0x3e9/0xba0 [ 146.448488] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 146.456270] ? find_held_lock+0x36/0x1d0 [ 146.461896] rtnetlink_rcv_msg+0x34f/0x8f0 [ 146.468214] ? rtnetlink_put_metrics+0x490/0x490 [ 146.475433] ? find_held_lock+0x36/0x1d0 [ 146.481668] netlink_rcv_skb+0x13e/0x3d0 [ 146.486819] ? lock_downgrade+0x860/0x860 [ 146.491339] ? rtnetlink_put_metrics+0x490/0x490 [ 146.498751] ? netlink_ack+0xa70/0xa70 [ 146.503736] ? netlink_deliver_tap+0x182/0xb00 [ 146.508972] rtnetlink_rcv+0x10/0x20 [ 146.513961] netlink_unicast+0x443/0x650 [ 146.520484] ? netlink_attachskb+0x6c0/0x6c0 [ 146.524985] ? _copy_from_iter_full+0x182/0x720 [ 146.529852] ? __check_object_size+0x1ef/0x310 [ 146.535021] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 146.540842] netlink_sendmsg+0x764/0xc60 [ 146.545049] ? netlink_unicast+0x650/0x650 [ 146.549305] ? apparmor_socket_sendmsg+0x1b/0x20 [ 146.554324] ? netlink_unicast+0x650/0x650 [ 146.558742] sock_sendmsg+0xb5/0xf0 [ 146.562833] ___sys_sendmsg+0x647/0x950 [ 146.567331] ? find_held_lock+0x36/0x1d0 [ 146.571792] ? copy_msghdr_from_user+0x430/0x430 [ 146.576763] ? __fget+0x278/0x400 [ 146.580246] ? kasan_check_read+0x11/0x20 [ 146.585414] ? __fget+0x295/0x400 [ 146.589054] ? expand_files.part.8+0x700/0x700 [ 146.593894] ? __f_unlock_pos+0xd/0x10 [ 146.598336] ? __fget_light+0x174/0x1e0 [ 146.602491] ? __fdget+0xe/0x10 [ 146.605856] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 146.610860] __sys_sendmsg+0xd9/0x180 [ 146.614647] ? __ia32_sys_shutdown+0x70/0x70 [ 146.619887] ? __sb_end_write+0xa4/0xd0 [ 146.624457] ? kasan_check_write+0x14/0x20 [ 146.629702] ? fput+0x18/0x120 [ 146.633236] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.638919] __x64_sys_sendmsg+0x73/0xb0 [ 146.643109] do_syscall_64+0xd0/0x4e0 [ 146.646920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.652095] RIP: 0033:0x463d89 [ 146.655600] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 146.674739] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.682534] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 146.690064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 146.697408] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 146.705025] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 146.712418] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 146.722064] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 146.745323] FAULT_INJECTION: forcing a failure. [ 146.745323] name failslab, interval 1, probability 0, space 0, times 0 [ 146.762720] FAULT_INJECTION: forcing a failure. [ 146.762720] name failslab, interval 1, probability 0, space 0, times 0 [ 146.775921] CPU: 0 PID: 9903 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 146.783839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.793275] Call Trace: [ 146.795868] dump_stack+0x123/0x171 [ 146.799530] should_fail.cold.4+0x5/0xa [ 146.803580] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 146.808861] __should_failslab+0xba/0xf0 [ 146.813069] should_failslab+0x9/0x20 [ 146.817105] kmem_cache_alloc+0x47/0x720 [ 146.821589] ? lock_acquire+0x173/0x3d0 [ 146.825875] skb_clone+0x115/0x340 [ 146.829427] netlink_deliver_tap+0x7d7/0xb00 [ 146.834004] __netlink_sendskb+0x62/0xc0 [ 146.838263] netlink_unicast+0x4ea/0x650 [ 146.842579] ? netlink_attachskb+0x6c0/0x6c0 [ 146.847068] netlink_ack+0x519/0xa70 [ 146.850769] ? netlink_sendmsg+0xc60/0xc60 [ 146.855259] ? find_held_lock+0x36/0x1d0 [ 146.859500] netlink_rcv_skb+0x2a8/0x3d0 [ 146.863760] ? lock_downgrade+0x860/0x860 [ 146.867907] ? rtnetlink_put_metrics+0x490/0x490 [ 146.872872] ? netlink_ack+0xa70/0xa70 [ 146.876760] ? netlink_deliver_tap+0x182/0xb00 [ 146.881526] rtnetlink_rcv+0x10/0x20 [ 146.885312] netlink_unicast+0x443/0x650 [ 146.889888] ? netlink_attachskb+0x6c0/0x6c0 [ 146.894461] ? _copy_from_iter_full+0x182/0x720 [ 146.899405] ? __check_object_size+0x1ef/0x310 [ 146.903994] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 146.910914] netlink_sendmsg+0x764/0xc60 [ 146.914964] ? netlink_unicast+0x650/0x650 [ 146.919289] ? apparmor_socket_sendmsg+0x1b/0x20 [ 146.924195] ? netlink_unicast+0x650/0x650 [ 146.928813] sock_sendmsg+0xb5/0xf0 [ 146.932611] ___sys_sendmsg+0x647/0x950 [ 146.937204] ? find_held_lock+0x36/0x1d0 [ 146.941261] ? copy_msghdr_from_user+0x430/0x430 [ 146.946206] ? __fget+0x278/0x400 [ 146.949734] ? kasan_check_read+0x11/0x20 [ 146.954394] ? __fget+0x295/0x400 [ 146.958575] ? expand_files.part.8+0x700/0x700 [ 146.963147] ? __f_unlock_pos+0xd/0x10 [ 146.967115] ? __fget_light+0x174/0x1e0 [ 146.971073] ? __fdget+0xe/0x10 [ 146.974452] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 146.979837] __sys_sendmsg+0xd9/0x180 [ 146.983741] ? __ia32_sys_shutdown+0x70/0x70 [ 146.988149] ? __sb_end_write+0xa4/0xd0 [ 146.992226] ? kasan_check_write+0x14/0x20 [ 146.996628] ? fput+0x18/0x120 [ 146.999986] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.005427] __x64_sys_sendmsg+0x73/0xb0 [ 147.009670] do_syscall_64+0xd0/0x4e0 [ 147.014595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.020238] RIP: 0033:0x463d89 [ 147.023505] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 147.043014] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.050980] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 147.058331] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 147.065821] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 147.073352] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 147.080742] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 147.088190] CPU: 1 PID: 9913 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 147.096396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.105841] Call Trace: [ 147.108800] dump_stack+0x123/0x171 [ 147.113029] should_fail.cold.4+0x5/0xa [ 147.117013] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 147.122118] ? lock_downgrade+0x860/0x860 [ 147.126518] ? ___might_sleep+0x16b/0x270 [ 147.130767] __should_failslab+0xba/0xf0 [ 147.134854] should_failslab+0x9/0x20 [ 147.139048] kmem_cache_alloc_trace+0x2cb/0x740 [ 147.144145] ? qfq_change_class+0xa93/0x14e0 [ 147.149251] ? qfq_change_class+0xa93/0x14e0 [ 147.154059] ? __local_bh_enable_ip+0x160/0x260 [ 147.159349] qfq_change_class+0xad9/0x14e0 [ 147.163767] ? qfq_delete_class+0x2d0/0x2d0 [ 147.168196] ? nla_parse+0x197/0x280 [ 147.172000] tc_ctl_tclass+0x3e9/0xba0 [ 147.176066] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 147.181548] ? find_held_lock+0x36/0x1d0 [ 147.185630] rtnetlink_rcv_msg+0x34f/0x8f0 [ 147.190347] ? rtnetlink_put_metrics+0x490/0x490 [ 147.195363] ? find_held_lock+0x36/0x1d0 [ 147.199922] netlink_rcv_skb+0x13e/0x3d0 [ 147.204166] ? lock_downgrade+0x860/0x860 [ 147.208401] ? rtnetlink_put_metrics+0x490/0x490 [ 147.213252] ? netlink_ack+0xa70/0xa70 [ 147.217651] ? netlink_deliver_tap+0x182/0xb00 [ 147.222418] rtnetlink_rcv+0x10/0x20 [ 147.226180] netlink_unicast+0x443/0x650 [ 147.230401] ? netlink_attachskb+0x6c0/0x6c0 [ 147.235082] ? _copy_from_iter_full+0x182/0x720 [ 147.243521] ? __check_object_size+0x1ef/0x310 [ 147.248198] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 147.253919] netlink_sendmsg+0x764/0xc60 [ 147.259220] ? netlink_unicast+0x650/0x650 [ 147.263694] ? apparmor_socket_sendmsg+0x1b/0x20 [ 147.268744] ? netlink_unicast+0x650/0x650 [ 147.274024] sock_sendmsg+0xb5/0xf0 [ 147.277979] ___sys_sendmsg+0x647/0x950 [ 147.282273] ? find_held_lock+0x36/0x1d0 [ 147.286524] ? copy_msghdr_from_user+0x430/0x430 [ 147.291488] ? __fget+0x278/0x400 [ 147.295040] ? kasan_check_read+0x11/0x20 [ 147.299536] ? __fget+0x295/0x400 [ 147.303120] ? expand_files.part.8+0x700/0x700 [ 147.307802] ? __f_unlock_pos+0xd/0x10 [ 147.311773] ? __fget_light+0x174/0x1e0 [ 147.315946] ? __fdget+0xe/0x10 [ 147.319474] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 147.324564] __sys_sendmsg+0xd9/0x180 [ 147.328687] ? __ia32_sys_shutdown+0x70/0x70 [ 147.333502] ? __sb_end_write+0xa4/0xd0 [ 147.337682] ? kasan_check_write+0x14/0x20 [ 147.342214] ? fput+0x18/0x120 [ 147.345422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.350913] __x64_sys_sendmsg+0x73/0xb0 [ 147.355121] do_syscall_64+0xd0/0x4e0 [ 147.359808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.365082] RIP: 0033:0x463d89 [ 147.368709] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 147.388439] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.397153] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 147.404876] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 147.412501] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 147.420155] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 147.428047] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 147.452658] FAULT_INJECTION: forcing a failure. [ 147.452658] name failslab, interval 1, probability 0, space 0, times 0 [ 147.481891] CPU: 0 PID: 9923 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 147.489804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.499177] Call Trace: [ 147.501770] dump_stack+0x123/0x171 [ 147.505592] should_fail.cold.4+0x5/0xa [ 147.509782] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 147.515002] ? lock_downgrade+0x860/0x860 [ 147.519241] ? ___might_sleep+0x16b/0x270 [ 147.523887] __should_failslab+0xba/0xf0 [ 147.528296] should_failslab+0x9/0x20 [ 147.532478] kmem_cache_alloc_trace+0x2cb/0x740 [ 147.537141] ? qfq_change_class+0xa93/0x14e0 [ 147.541970] ? qfq_change_class+0xa93/0x14e0 [ 147.546388] ? __local_bh_enable_ip+0x160/0x260 [ 147.551157] qfq_change_class+0xad9/0x14e0 [ 147.555513] ? qfq_delete_class+0x2d0/0x2d0 [ 147.560052] ? nla_parse+0x197/0x280 [ 147.563756] tc_ctl_tclass+0x3e9/0xba0 [ 147.567753] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 147.573140] ? find_held_lock+0x36/0x1d0 [ 147.577237] rtnetlink_rcv_msg+0x34f/0x8f0 [ 147.581753] ? rtnetlink_put_metrics+0x490/0x490 [ 147.586634] ? find_held_lock+0x36/0x1d0 [ 147.590693] netlink_rcv_skb+0x13e/0x3d0 [ 147.594743] ? lock_downgrade+0x860/0x860 [ 147.599104] ? rtnetlink_put_metrics+0x490/0x490 [ 147.603854] ? netlink_ack+0xa70/0xa70 [ 147.607849] ? netlink_deliver_tap+0x182/0xb00 [ 147.612668] rtnetlink_rcv+0x10/0x20 [ 147.616472] netlink_unicast+0x443/0x650 [ 147.620739] ? netlink_attachskb+0x6c0/0x6c0 [ 147.625257] ? _copy_from_iter_full+0x182/0x720 [ 147.630012] ? __check_object_size+0x1ef/0x310 [ 147.634796] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 147.640419] netlink_sendmsg+0x764/0xc60 [ 147.644731] ? netlink_unicast+0x650/0x650 [ 147.648977] ? apparmor_socket_sendmsg+0x1b/0x20 [ 147.653994] ? netlink_unicast+0x650/0x650 [ 147.658397] sock_sendmsg+0xb5/0xf0 [ 147.662147] ___sys_sendmsg+0x647/0x950 [ 147.666228] ? find_held_lock+0x36/0x1d0 [ 147.670450] ? copy_msghdr_from_user+0x430/0x430 [ 147.675202] ? __fget+0x278/0x400 [ 147.678949] ? kasan_check_read+0x11/0x20 [ 147.683187] ? __fget+0x295/0x400 [ 147.686925] ? expand_files.part.8+0x700/0x700 [ 147.691664] ? __f_unlock_pos+0xd/0x10 [ 147.695647] ? __fget_light+0x174/0x1e0 [ 147.699986] ? __fdget+0xe/0x10 [ 147.703358] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 147.708226] __sys_sendmsg+0xd9/0x180 [ 147.712109] ? __ia32_sys_shutdown+0x70/0x70 [ 147.716691] ? __sb_end_write+0xa4/0xd0 [ 147.720839] ? kasan_check_write+0x14/0x20 [ 147.725159] ? fput+0x18/0x120 [ 147.728349] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.733801] __x64_sys_sendmsg+0x73/0xb0 [ 147.738056] do_syscall_64+0xd0/0x4e0 [ 147.742055] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.747538] RIP: 0033:0x463d89 [ 147.751005] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 147.770336] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.778122] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 147.785853] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 147.793686] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 147.801499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 147.809812] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 147.839165] FAULT_INJECTION: forcing a failure. [ 147.839165] name failslab, interval 1, probability 0, space 0, times 0 [ 147.855289] CPU: 1 PID: 9937 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 147.863393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.873169] Call Trace: [ 147.875958] dump_stack+0x123/0x171 [ 147.879802] should_fail.cold.4+0x5/0xa [ 147.883883] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 147.888978] ? lock_downgrade+0x860/0x860 [ 147.893381] ? ___might_sleep+0x16b/0x270 [ 147.898034] __should_failslab+0xba/0xf0 [ 147.902653] should_failslab+0x9/0x20 [ 147.906806] kmem_cache_alloc_trace+0x2cb/0x740 [ 147.911785] ? qfq_change_class+0xa93/0x14e0 [ 147.916322] ? qfq_change_class+0xa93/0x14e0 [ 147.920818] ? __local_bh_enable_ip+0x160/0x260 [ 147.925882] qfq_change_class+0xad9/0x14e0 [ 147.930657] ? qfq_delete_class+0x2d0/0x2d0 [ 147.935459] ? nla_parse+0x197/0x280 [ 147.939183] tc_ctl_tclass+0x3e9/0xba0 [ 147.943323] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 147.948596] ? find_held_lock+0x36/0x1d0 [ 147.952829] rtnetlink_rcv_msg+0x34f/0x8f0 [ 147.957140] ? rtnetlink_put_metrics+0x490/0x490 [ 147.962270] ? find_held_lock+0x36/0x1d0 [ 147.966434] netlink_rcv_skb+0x13e/0x3d0 [ 147.970656] ? lock_downgrade+0x860/0x860 [ 147.974804] ? rtnetlink_put_metrics+0x490/0x490 [ 147.979684] ? netlink_ack+0xa70/0xa70 [ 147.983560] ? netlink_deliver_tap+0x182/0xb00 [ 147.988198] rtnetlink_rcv+0x10/0x20 [ 147.992000] netlink_unicast+0x443/0x650 [ 147.996249] ? netlink_attachskb+0x6c0/0x6c0 [ 148.000656] ? _copy_from_iter_full+0x182/0x720 [ 148.005314] ? __check_object_size+0x1ef/0x310 [ 148.010180] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 148.016308] netlink_sendmsg+0x764/0xc60 [ 148.020486] ? netlink_unicast+0x650/0x650 [ 148.024943] ? apparmor_socket_sendmsg+0x1b/0x20 [ 148.029701] ? netlink_unicast+0x650/0x650 [ 148.033925] sock_sendmsg+0xb5/0xf0 [ 148.037867] ___sys_sendmsg+0x647/0x950 [ 148.042217] ? find_held_lock+0x36/0x1d0 [ 148.046569] ? copy_msghdr_from_user+0x430/0x430 [ 148.051318] ? __fget+0x278/0x400 [ 148.054847] ? kasan_check_read+0x11/0x20 [ 148.059078] ? __fget+0x295/0x400 [ 148.062621] ? expand_files.part.8+0x700/0x700 [ 148.067424] ? __f_unlock_pos+0xd/0x10 [ 148.071395] ? __fget_light+0x174/0x1e0 [ 148.075451] ? __fdget+0xe/0x10 [ 148.078728] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 148.083563] __sys_sendmsg+0xd9/0x180 [ 148.087588] ? __ia32_sys_shutdown+0x70/0x70 [ 148.092130] ? __sb_end_write+0xa4/0xd0 [ 148.096273] ? kasan_check_write+0x14/0x20 [ 148.100706] ? fput+0x18/0x120 [ 148.103893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.109299] __x64_sys_sendmsg+0x73/0xb0 [ 148.113990] do_syscall_64+0xd0/0x4e0 [ 148.118164] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.123343] RIP: 0033:0x463d89 [ 148.126837] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 148.146437] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.154571] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 148.162406] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 148.170022] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 148.177393] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 148.185798] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 2021/04/24 20:08:02 executed programs: 281 [ 148.205879] FAULT_INJECTION: forcing a failure. [ 148.205879] name failslab, interval 1, probability 0, space 0, times 0 [ 148.220770] CPU: 1 PID: 9943 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 148.228948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.238507] Call Trace: [ 148.241091] dump_stack+0x123/0x171 [ 148.244750] should_fail.cold.4+0x5/0xa [ 148.249058] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 148.254346] ? lock_downgrade+0x860/0x860 [ 148.258502] ? ___might_sleep+0x16b/0x270 [ 148.263022] __should_failslab+0xba/0xf0 [ 148.267194] should_failslab+0x9/0x20 [ 148.271485] kmem_cache_alloc_trace+0x2cb/0x740 [ 148.276328] ? qfq_change_class+0xa93/0x14e0 [ 148.280722] ? qfq_change_class+0xa93/0x14e0 [ 148.285134] ? __local_bh_enable_ip+0x160/0x260 [ 148.290126] qfq_change_class+0xad9/0x14e0 [ 148.294435] ? qfq_delete_class+0x2d0/0x2d0 [ 148.298837] ? nla_parse+0x197/0x280 [ 148.303066] tc_ctl_tclass+0x3e9/0xba0 [ 148.307215] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 148.312467] ? find_held_lock+0x36/0x1d0 [ 148.316710] rtnetlink_rcv_msg+0x34f/0x8f0 [ 148.321066] ? rtnetlink_put_metrics+0x490/0x490 [ 148.326043] ? find_held_lock+0x36/0x1d0 [ 148.330329] netlink_rcv_skb+0x13e/0x3d0 [ 148.334785] ? lock_downgrade+0x860/0x860 [ 148.338928] ? rtnetlink_put_metrics+0x490/0x490 [ 148.344080] ? netlink_ack+0xa70/0xa70 [ 148.347962] ? netlink_deliver_tap+0x182/0xb00 [ 148.352777] rtnetlink_rcv+0x10/0x20 [ 148.357700] netlink_unicast+0x443/0x650 [ 148.362676] ? netlink_attachskb+0x6c0/0x6c0 [ 148.367296] ? _copy_from_iter_full+0x182/0x720 [ 148.372170] ? __check_object_size+0x1ef/0x310 [ 148.377056] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 148.383872] netlink_sendmsg+0x764/0xc60 [ 148.388193] ? netlink_unicast+0x650/0x650 [ 148.393322] ? apparmor_socket_sendmsg+0x1b/0x20 [ 148.398346] ? netlink_unicast+0x650/0x650 [ 148.402754] sock_sendmsg+0xb5/0xf0 [ 148.406649] ___sys_sendmsg+0x647/0x950 [ 148.410891] ? find_held_lock+0x36/0x1d0 [ 148.415709] ? copy_msghdr_from_user+0x430/0x430 [ 148.420733] ? __fget+0x278/0x400 [ 148.424294] ? kasan_check_read+0x11/0x20 [ 148.429501] ? __fget+0x295/0x400 [ 148.433319] ? expand_files.part.8+0x700/0x700 [ 148.438165] ? __f_unlock_pos+0xd/0x10 [ 148.442052] ? __fget_light+0x174/0x1e0 [ 148.446360] ? __fdget+0xe/0x10 [ 148.449841] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 148.454771] __sys_sendmsg+0xd9/0x180 [ 148.458941] ? __ia32_sys_shutdown+0x70/0x70 [ 148.464100] ? __sb_end_write+0xa4/0xd0 [ 148.468722] ? kasan_check_write+0x14/0x20 [ 148.473133] ? fput+0x18/0x120 [ 148.476722] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.482735] __x64_sys_sendmsg+0x73/0xb0 [ 148.487533] do_syscall_64+0xd0/0x4e0 [ 148.491448] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.497006] RIP: 0033:0x463d89 [ 148.500568] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 148.519845] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.527560] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 148.535180] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 148.542437] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 148.549802] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 148.557059] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 148.570432] nla_parse: 4 callbacks suppressed [ 148.570436] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 148.605416] FAULT_INJECTION: forcing a failure. [ 148.605416] name failslab, interval 1, probability 0, space 0, times 0 [ 148.616952] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 148.617983] CPU: 1 PID: 9957 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 148.633761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.643393] Call Trace: [ 148.645983] dump_stack+0x123/0x171 [ 148.649606] should_fail.cold.4+0x5/0xa [ 148.653666] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 148.658858] __should_failslab+0xba/0xf0 [ 148.662568] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 148.662909] should_failslab+0x9/0x20 [ 148.675254] kmem_cache_alloc+0x47/0x720 [ 148.679404] ? lock_acquire+0x173/0x3d0 [ 148.682232] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 148.683850] skb_clone+0x115/0x340 [ 148.683861] netlink_deliver_tap+0x7d7/0xb00 [ 148.683872] __netlink_sendskb+0x62/0xc0 [ 148.683879] netlink_unicast+0x4ea/0x650 [ 148.683888] ? netlink_attachskb+0x6c0/0x6c0 [ 148.683900] netlink_ack+0x519/0xa70 [ 148.683909] ? netlink_sendmsg+0xc60/0xc60 [ 148.683917] ? find_held_lock+0x36/0x1d0 [ 148.683930] netlink_rcv_skb+0x2a8/0x3d0 [ 148.683935] ? lock_downgrade+0x860/0x860 [ 148.683943] ? rtnetlink_put_metrics+0x490/0x490 [ 148.683949] ? netlink_ack+0xa70/0xa70 [ 148.683956] ? netlink_deliver_tap+0x182/0xb00 [ 148.708635] FAULT_INJECTION: forcing a failure. [ 148.708635] name failslab, interval 1, probability 0, space 0, times 0 [ 148.708889] rtnetlink_rcv+0x10/0x20 [ 148.762871] netlink_unicast+0x443/0x650 [ 148.766938] ? netlink_attachskb+0x6c0/0x6c0 [ 148.771329] ? _copy_from_iter_full+0x182/0x720 [ 148.776087] ? __check_object_size+0x1ef/0x310 [ 148.780750] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 148.786547] netlink_sendmsg+0x764/0xc60 [ 148.790701] ? netlink_unicast+0x650/0x650 [ 148.794935] ? apparmor_socket_sendmsg+0x1b/0x20 [ 148.799684] ? netlink_unicast+0x650/0x650 [ 148.803912] sock_sendmsg+0xb5/0xf0 [ 148.807618] ___sys_sendmsg+0x647/0x950 [ 148.811702] ? find_held_lock+0x36/0x1d0 [ 148.816019] ? copy_msghdr_from_user+0x430/0x430 [ 148.821001] ? __fget+0x278/0x400 [ 148.824439] ? kasan_check_read+0x11/0x20 [ 148.828659] ? __fget+0x295/0x400 [ 148.832105] ? expand_files.part.8+0x700/0x700 [ 148.836862] ? __f_unlock_pos+0xd/0x10 [ 148.840743] ? __fget_light+0x174/0x1e0 [ 148.844697] ? __fdget+0xe/0x10 [ 148.847962] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 148.852787] __sys_sendmsg+0xd9/0x180 [ 148.856571] ? __ia32_sys_shutdown+0x70/0x70 [ 148.860979] ? __sb_end_write+0xa4/0xd0 [ 148.865032] ? kasan_check_write+0x14/0x20 [ 148.869333] ? fput+0x18/0x120 [ 148.872620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.878054] __x64_sys_sendmsg+0x73/0xb0 [ 148.882116] do_syscall_64+0xd0/0x4e0 [ 148.886009] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.891183] RIP: 0033:0x463d89 [ 148.894457] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 148.913589] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.921651] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 148.928998] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 148.936799] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 148.944244] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 148.951722] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 148.958991] CPU: 0 PID: 9972 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 148.966888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.977201] Call Trace: [ 148.979882] dump_stack+0x123/0x171 [ 148.984024] should_fail.cold.4+0x5/0xa [ 148.987989] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 148.993180] ? lock_downgrade+0x860/0x860 [ 148.997845] ? ___might_sleep+0x16b/0x270 [ 149.002033] __should_failslab+0xba/0xf0 [ 149.006213] should_failslab+0x9/0x20 [ 149.010011] kmem_cache_alloc_trace+0x2cb/0x740 [ 149.014669] ? qfq_change_class+0xa93/0x14e0 [ 149.019490] ? qfq_change_class+0xa93/0x14e0 [ 149.023969] ? __local_bh_enable_ip+0x160/0x260 [ 149.028724] qfq_change_class+0xad9/0x14e0 [ 149.033226] ? qfq_delete_class+0x2d0/0x2d0 [ 149.037639] ? nla_parse+0x197/0x280 [ 149.041351] tc_ctl_tclass+0x3e9/0xba0 [ 149.045281] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 149.050579] ? find_held_lock+0x36/0x1d0 [ 149.054736] rtnetlink_rcv_msg+0x34f/0x8f0 [ 149.059118] ? rtnetlink_put_metrics+0x490/0x490 [ 149.064134] ? find_held_lock+0x36/0x1d0 [ 149.068315] netlink_rcv_skb+0x13e/0x3d0 [ 149.072449] ? lock_downgrade+0x860/0x860 [ 149.076698] ? rtnetlink_put_metrics+0x490/0x490 [ 149.081442] ? netlink_ack+0xa70/0xa70 [ 149.085318] ? netlink_deliver_tap+0x182/0xb00 [ 149.090021] rtnetlink_rcv+0x10/0x20 [ 149.093855] netlink_unicast+0x443/0x650 [ 149.097933] ? netlink_attachskb+0x6c0/0x6c0 [ 149.102328] ? _copy_from_iter_full+0x182/0x720 [ 149.107162] ? __check_object_size+0x1ef/0x310 [ 149.111727] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 149.117350] netlink_sendmsg+0x764/0xc60 [ 149.121391] ? netlink_unicast+0x650/0x650 [ 149.125611] ? apparmor_socket_sendmsg+0x1b/0x20 [ 149.130502] ? netlink_unicast+0x650/0x650 [ 149.134729] sock_sendmsg+0xb5/0xf0 [ 149.138358] ___sys_sendmsg+0x647/0x950 [ 149.142338] ? find_held_lock+0x36/0x1d0 [ 149.146660] ? copy_msghdr_from_user+0x430/0x430 [ 149.151756] ? __fget+0x278/0x400 [ 149.155197] ? kasan_check_read+0x11/0x20 [ 149.159613] ? __fget+0x295/0x400 [ 149.163420] ? expand_files.part.8+0x700/0x700 [ 149.168069] ? __f_unlock_pos+0xd/0x10 [ 149.172147] ? __fget_light+0x174/0x1e0 [ 149.176191] ? __fdget+0xe/0x10 [ 149.179595] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 149.184509] __sys_sendmsg+0xd9/0x180 [ 149.188403] ? __ia32_sys_shutdown+0x70/0x70 [ 149.192800] ? __sb_end_write+0xa4/0xd0 [ 149.196844] ? kasan_check_write+0x14/0x20 [ 149.201064] ? fput+0x18/0x120 [ 149.204733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.210168] __x64_sys_sendmsg+0x73/0xb0 [ 149.214363] do_syscall_64+0xd0/0x4e0 [ 149.218233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.223518] RIP: 0033:0x463d89 [ 149.227042] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 149.246434] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.254669] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 149.262325] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 149.269939] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 149.277393] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 149.284931] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 149.303551] FAULT_INJECTION: forcing a failure. [ 149.303551] name failslab, interval 1, probability 0, space 0, times 0 [ 149.331974] CPU: 1 PID: 9973 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 149.340207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.349736] Call Trace: [ 149.352536] dump_stack+0x123/0x171 [ 149.356433] should_fail.cold.4+0x5/0xa [ 149.360556] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 149.365942] ? lock_downgrade+0x860/0x860 [ 149.370277] ? ___might_sleep+0x16b/0x270 [ 149.374418] __should_failslab+0xba/0xf0 [ 149.378476] should_failslab+0x9/0x20 [ 149.382356] kmem_cache_alloc_trace+0x2cb/0x740 [ 149.387102] ? qfq_change_class+0xa93/0x14e0 [ 149.392090] ? qfq_change_class+0xa93/0x14e0 [ 149.396850] ? __local_bh_enable_ip+0x160/0x260 [ 149.402028] qfq_change_class+0xad9/0x14e0 [ 149.406878] ? qfq_delete_class+0x2d0/0x2d0 [ 149.411963] ? nla_parse+0x197/0x280 [ 149.415680] tc_ctl_tclass+0x3e9/0xba0 [ 149.419668] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 149.425363] ? find_held_lock+0x36/0x1d0 [ 149.429513] rtnetlink_rcv_msg+0x34f/0x8f0 [ 149.433832] ? rtnetlink_put_metrics+0x490/0x490 [ 149.438781] ? find_held_lock+0x36/0x1d0 [ 149.443184] netlink_rcv_skb+0x13e/0x3d0 [ 149.447253] ? lock_downgrade+0x860/0x860 [ 149.451859] ? rtnetlink_put_metrics+0x490/0x490 [ 149.457081] ? netlink_ack+0xa70/0xa70 [ 149.460978] ? netlink_deliver_tap+0x182/0xb00 [ 149.465642] rtnetlink_rcv+0x10/0x20 [ 149.469435] netlink_unicast+0x443/0x650 [ 149.473522] ? netlink_attachskb+0x6c0/0x6c0 [ 149.477921] ? _copy_from_iter_full+0x182/0x720 [ 149.482700] ? __check_object_size+0x1ef/0x310 [ 149.487531] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 149.493362] netlink_sendmsg+0x764/0xc60 [ 149.497538] ? netlink_unicast+0x650/0x650 [ 149.501808] ? apparmor_socket_sendmsg+0x1b/0x20 [ 149.506659] ? netlink_unicast+0x650/0x650 [ 149.511311] sock_sendmsg+0xb5/0xf0 [ 149.514976] ___sys_sendmsg+0x647/0x950 [ 149.519291] ? find_held_lock+0x36/0x1d0 [ 149.523431] ? copy_msghdr_from_user+0x430/0x430 [ 149.528238] ? __fget+0x278/0x400 [ 149.531694] ? kasan_check_read+0x11/0x20 [ 149.535953] ? __fget+0x295/0x400 [ 149.539666] ? expand_files.part.8+0x700/0x700 [ 149.544326] ? __f_unlock_pos+0xd/0x10 [ 149.548606] ? __fget_light+0x174/0x1e0 [ 149.552570] ? __fdget+0xe/0x10 [ 149.555903] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 149.560929] __sys_sendmsg+0xd9/0x180 [ 149.565352] ? __ia32_sys_shutdown+0x70/0x70 [ 149.569948] ? __sb_end_write+0xa4/0xd0 [ 149.574522] ? kasan_check_write+0x14/0x20 [ 149.579332] ? fput+0x18/0x120 [ 149.582885] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.588702] __x64_sys_sendmsg+0x73/0xb0 [ 149.593047] do_syscall_64+0xd0/0x4e0 [ 149.596946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.602223] RIP: 0033:0x463d89 [ 149.605400] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 149.625133] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.632828] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 149.640359] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 149.647708] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 149.655145] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 149.662498] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 149.673537] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 149.708653] FAULT_INJECTION: forcing a failure. [ 149.708653] name failslab, interval 1, probability 0, space 0, times 0 [ 149.709295] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 149.730843] CPU: 0 PID: 9984 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 149.738942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.748472] Call Trace: [ 149.748666] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 149.751055] dump_stack+0x123/0x171 [ 149.751066] should_fail.cold.4+0x5/0xa [ 149.751075] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 149.751089] __should_failslab+0xba/0xf0 [ 149.751097] should_failslab+0x9/0x20 [ 149.751101] kmem_cache_alloc+0x47/0x720 [ 149.751110] ? lock_acquire+0x173/0x3d0 [ 149.751120] skb_clone+0x115/0x340 [ 149.771627] FAULT_INJECTION: forcing a failure. [ 149.771627] name failslab, interval 1, probability 0, space 0, times 0 [ 149.772662] netlink_deliver_tap+0x7d7/0xb00 [ 149.772675] __netlink_sendskb+0x62/0xc0 [ 149.772683] netlink_unicast+0x4ea/0x650 [ 149.772693] ? netlink_attachskb+0x6c0/0x6c0 [ 149.772704] netlink_ack+0x519/0xa70 [ 149.772711] ? netlink_sendmsg+0xc60/0xc60 [ 149.772718] ? find_held_lock+0x36/0x1d0 [ 149.772728] netlink_rcv_skb+0x2a8/0x3d0 [ 149.772733] ? lock_downgrade+0x860/0x860 [ 149.772740] ? rtnetlink_put_metrics+0x490/0x490 [ 149.772746] ? netlink_ack+0xa70/0xa70 [ 149.772754] ? netlink_deliver_tap+0x182/0xb00 [ 149.772763] rtnetlink_rcv+0x10/0x20 [ 149.860037] netlink_unicast+0x443/0x650 [ 149.864178] ? netlink_attachskb+0x6c0/0x6c0 [ 149.868656] ? _copy_from_iter_full+0x182/0x720 [ 149.873307] ? __check_object_size+0x1ef/0x310 [ 149.877958] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 149.883500] netlink_sendmsg+0x764/0xc60 [ 149.887585] ? netlink_unicast+0x650/0x650 [ 149.892082] ? apparmor_socket_sendmsg+0x1b/0x20 [ 149.896915] ? netlink_unicast+0x650/0x650 [ 149.901147] sock_sendmsg+0xb5/0xf0 [ 149.904950] ___sys_sendmsg+0x647/0x950 [ 149.909190] ? find_held_lock+0x36/0x1d0 [ 149.913501] ? copy_msghdr_from_user+0x430/0x430 [ 149.918664] ? __fget+0x278/0x400 [ 149.922118] ? kasan_check_read+0x11/0x20 [ 149.926611] ? __fget+0x295/0x400 [ 149.930755] ? expand_files.part.8+0x700/0x700 [ 149.935753] ? __f_unlock_pos+0xd/0x10 [ 149.939744] ? __fget_light+0x174/0x1e0 [ 149.943787] ? __fdget+0xe/0x10 [ 149.947055] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 149.951972] __sys_sendmsg+0xd9/0x180 [ 149.955847] ? __ia32_sys_shutdown+0x70/0x70 [ 149.960595] ? __sb_end_write+0xa4/0xd0 [ 149.964556] ? kasan_check_write+0x14/0x20 [ 149.968970] ? fput+0x18/0x120 [ 149.972237] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.977774] __x64_sys_sendmsg+0x73/0xb0 [ 149.981820] do_syscall_64+0xd0/0x4e0 [ 149.985694] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.990902] RIP: 0033:0x463d89 [ 149.994137] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 150.013723] RSP: 002b:00007f345d67c198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.021771] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 150.029136] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 150.036481] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 150.044554] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 150.051808] R13: 00007f345d67c6bc R14: 0000000000000009 R15: 0000000000000001 [ 150.059219] CPU: 1 PID: 9994 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 150.067475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.077272] Call Trace: [ 150.079965] dump_stack+0x123/0x171 [ 150.083611] should_fail.cold.4+0x5/0xa [ 150.087720] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 150.092922] ? lock_downgrade+0x860/0x860 [ 150.097257] ? ___might_sleep+0x16b/0x270 [ 150.101504] __should_failslab+0xba/0xf0 [ 150.105751] should_failslab+0x9/0x20 [ 150.110977] kmem_cache_alloc_trace+0x2cb/0x740 [ 150.115953] ? qfq_change_class+0xa93/0x14e0 [ 150.120358] ? qfq_change_class+0xa93/0x14e0 [ 150.125212] ? __local_bh_enable_ip+0x160/0x260 [ 150.130565] qfq_change_class+0xad9/0x14e0 [ 150.135055] ? qfq_delete_class+0x2d0/0x2d0 [ 150.139656] ? nla_parse+0x197/0x280 [ 150.143454] tc_ctl_tclass+0x3e9/0xba0 [ 150.147654] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 150.152952] ? find_held_lock+0x36/0x1d0 [ 150.157979] rtnetlink_rcv_msg+0x34f/0x8f0 [ 150.162787] ? rtnetlink_put_metrics+0x490/0x490 [ 150.167653] ? find_held_lock+0x36/0x1d0 [ 150.171977] netlink_rcv_skb+0x13e/0x3d0 [ 150.176636] ? lock_downgrade+0x860/0x860 [ 150.180795] ? rtnetlink_put_metrics+0x490/0x490 [ 150.185571] ? netlink_ack+0xa70/0xa70 [ 150.189662] ? netlink_deliver_tap+0x182/0xb00 [ 150.195026] rtnetlink_rcv+0x10/0x20 [ 150.198846] netlink_unicast+0x443/0x650 [ 150.202914] ? netlink_attachskb+0x6c0/0x6c0 [ 150.207796] ? _copy_from_iter_full+0x182/0x720 [ 150.212756] ? __check_object_size+0x1ef/0x310 [ 150.217955] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 150.224100] netlink_sendmsg+0x764/0xc60 [ 150.228282] ? netlink_unicast+0x650/0x650 [ 150.232704] ? apparmor_socket_sendmsg+0x1b/0x20 [ 150.237662] ? netlink_unicast+0x650/0x650 [ 150.241898] sock_sendmsg+0xb5/0xf0 [ 150.245722] ___sys_sendmsg+0x647/0x950 [ 150.249970] ? find_held_lock+0x36/0x1d0 [ 150.254328] ? copy_msghdr_from_user+0x430/0x430 [ 150.259223] ? __fget+0x278/0x400 [ 150.262665] ? kasan_check_read+0x11/0x20 [ 150.267198] ? __fget+0x295/0x400 [ 150.270909] ? expand_files.part.8+0x700/0x700 [ 150.275500] ? __f_unlock_pos+0xd/0x10 [ 150.279487] ? __fget_light+0x174/0x1e0 [ 150.284244] ? __fdget+0xe/0x10 [ 150.287795] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 150.292967] __sys_sendmsg+0xd9/0x180 [ 150.296932] ? __ia32_sys_shutdown+0x70/0x70 [ 150.301422] ? __sb_end_write+0xa4/0xd0 [ 150.305574] ? kasan_check_write+0x14/0x20 [ 150.310012] ? fput+0x18/0x120 [ 150.313459] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 150.319127] __x64_sys_sendmsg+0x73/0xb0 [ 150.323551] do_syscall_64+0xd0/0x4e0 [ 150.327614] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 150.332980] RIP: 0033:0x463d89 [ 150.336906] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 150.356472] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.364717] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 150.372165] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 150.379890] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 150.387621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 150.395267] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 150.411456] FAULT_INJECTION: forcing a failure. [ 150.411456] name failslab, interval 1, probability 0, space 0, times 0 [ 150.437000] CPU: 1 PID: 10011 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 150.445172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.455114] Call Trace: [ 150.457708] dump_stack+0x123/0x171 [ 150.461428] should_fail.cold.4+0x5/0xa [ 150.465395] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 150.470603] ? lock_downgrade+0x860/0x860 [ 150.475108] ? ___might_sleep+0x16b/0x270 [ 150.479525] __should_failslab+0xba/0xf0 [ 150.483675] should_failslab+0x9/0x20 [ 150.487467] kmem_cache_alloc_trace+0x2cb/0x740 [ 150.492530] ? qfq_change_class+0xa93/0x14e0 [ 150.497356] ? qfq_change_class+0xa93/0x14e0 [ 150.501847] ? __local_bh_enable_ip+0x160/0x260 [ 150.506635] qfq_change_class+0xad9/0x14e0 [ 150.510886] ? qfq_delete_class+0x2d0/0x2d0 [ 150.515587] ? nla_parse+0x197/0x280 [ 150.519286] tc_ctl_tclass+0x3e9/0xba0 [ 150.523511] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 150.528712] ? find_held_lock+0x36/0x1d0 [ 150.532782] rtnetlink_rcv_msg+0x34f/0x8f0 [ 150.537032] ? rtnetlink_put_metrics+0x490/0x490 [ 150.541804] ? find_held_lock+0x36/0x1d0 [ 150.545944] netlink_rcv_skb+0x13e/0x3d0 [ 150.550066] ? lock_downgrade+0x860/0x860 [ 150.554557] ? rtnetlink_put_metrics+0x490/0x490 [ 150.559399] ? netlink_ack+0xa70/0xa70 [ 150.563280] ? netlink_deliver_tap+0x182/0xb00 [ 150.568145] rtnetlink_rcv+0x10/0x20 [ 150.571985] netlink_unicast+0x443/0x650 [ 150.576661] ? netlink_attachskb+0x6c0/0x6c0 [ 150.581320] ? _copy_from_iter_full+0x182/0x720 [ 150.586271] ? __check_object_size+0x1ef/0x310 [ 150.591341] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 150.597764] netlink_sendmsg+0x764/0xc60 [ 150.602840] ? netlink_unicast+0x650/0x650 [ 150.607154] ? apparmor_socket_sendmsg+0x1b/0x20 [ 150.612261] ? netlink_unicast+0x650/0x650 [ 150.616508] sock_sendmsg+0xb5/0xf0 [ 150.620124] ___sys_sendmsg+0x647/0x950 [ 150.624171] ? find_held_lock+0x36/0x1d0 [ 150.628334] ? copy_msghdr_from_user+0x430/0x430 [ 150.633257] ? __fget+0x278/0x400 [ 150.637100] ? kasan_check_read+0x11/0x20 [ 150.641740] ? __fget+0x295/0x400 [ 150.645430] ? expand_files.part.8+0x700/0x700 [ 150.650327] ? __f_unlock_pos+0xd/0x10 [ 150.654307] ? __fget_light+0x174/0x1e0 [ 150.658356] ? __fdget+0xe/0x10 [ 150.661671] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 150.666881] __sys_sendmsg+0xd9/0x180 [ 150.670870] ? __ia32_sys_shutdown+0x70/0x70 [ 150.675445] ? __sb_end_write+0xa4/0xd0 [ 150.679602] ? kasan_check_write+0x14/0x20 [ 150.684380] ? fput+0x18/0x120 [ 150.687741] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 150.695908] __x64_sys_sendmsg+0x73/0xb0 [ 150.700132] do_syscall_64+0xd0/0x4e0 [ 150.704124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 150.709565] RIP: 0033:0x463d89 [ 150.712983] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 150.733402] RSP: 002b:00007fed80304198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.741616] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 150.749159] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 150.756424] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 150.764648] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 150.772626] R13: 00007fed803046bc R14: 0000000000000009 R15: 0000000000000001 [ 150.794031] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 150.818131] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 150.837348] FAULT_INJECTION: forcing a failure. [ 150.837348] name failslab, interval 1, probability 0, space 0, times 0 [ 150.850132] CPU: 0 PID: 10027 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 150.858474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.868753] Call Trace: [ 150.871348] dump_stack+0x123/0x171 [ 150.875053] should_fail.cold.4+0x5/0xa [ 150.879064] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 150.884351] ? lock_downgrade+0x860/0x860 [ 150.888816] ? ___might_sleep+0x16b/0x270 [ 150.893221] __should_failslab+0xba/0xf0 [ 150.897588] should_failslab+0x9/0x20 [ 150.901575] kmem_cache_alloc_trace+0x2cb/0x740 [ 150.906704] ? qfq_change_class+0xa93/0x14e0 [ 150.911279] ? qfq_change_class+0xa93/0x14e0 [ 150.915880] ? __local_bh_enable_ip+0x160/0x260 [ 150.920962] qfq_change_class+0xad9/0x14e0 [ 150.925641] ? qfq_delete_class+0x2d0/0x2d0 [ 150.930070] ? nla_parse+0x197/0x280 [ 150.933773] tc_ctl_tclass+0x3e9/0xba0 [ 150.938073] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 150.943290] ? find_held_lock+0x36/0x1d0 [ 150.947356] rtnetlink_rcv_msg+0x34f/0x8f0 [ 150.951743] ? rtnetlink_put_metrics+0x490/0x490 [ 150.956670] ? find_held_lock+0x36/0x1d0 [ 150.961327] netlink_rcv_skb+0x13e/0x3d0 [ 150.965393] ? lock_downgrade+0x860/0x860 [ 150.969695] ? rtnetlink_put_metrics+0x490/0x490 [ 150.974771] ? netlink_ack+0xa70/0xa70 [ 150.979254] ? netlink_deliver_tap+0x182/0xb00 [ 150.984070] rtnetlink_rcv+0x10/0x20 [ 150.987890] netlink_unicast+0x443/0x650 [ 150.992200] ? netlink_attachskb+0x6c0/0x6c0 [ 150.997055] ? _copy_from_iter_full+0x182/0x720 [ 151.002348] ? __check_object_size+0x1ef/0x310 [ 151.007037] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 151.013121] netlink_sendmsg+0x764/0xc60 [ 151.017825] ? netlink_unicast+0x650/0x650 [ 151.022288] ? apparmor_socket_sendmsg+0x1b/0x20 [ 151.027063] ? netlink_unicast+0x650/0x650 [ 151.031522] sock_sendmsg+0xb5/0xf0 [ 151.035239] ___sys_sendmsg+0x647/0x950 [ 151.039332] ? find_held_lock+0x36/0x1d0 [ 151.043502] ? copy_msghdr_from_user+0x430/0x430 [ 151.049077] ? __fget+0x278/0x400 [ 151.052744] ? kasan_check_read+0x11/0x20 [ 151.057279] ? __fget+0x295/0x400 [ 151.060746] ? expand_files.part.8+0x700/0x700 [ 151.065554] ? __f_unlock_pos+0xd/0x10 [ 151.069723] ? __fget_light+0x174/0x1e0 [ 151.073710] ? __fdget+0xe/0x10 [ 151.077143] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 151.082076] __sys_sendmsg+0xd9/0x180 [ 151.085881] ? __ia32_sys_shutdown+0x70/0x70 [ 151.090588] ? __sb_end_write+0xa4/0xd0 [ 151.094687] ? kasan_check_write+0x14/0x20 [ 151.099704] ? fput+0x18/0x120 [ 151.103167] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.108532] __x64_sys_sendmsg+0x73/0xb0 [ 151.112676] do_syscall_64+0xd0/0x4e0 [ 151.116950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.122364] RIP: 0033:0x463d89 [ 151.125642] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 151.145817] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.153781] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 151.161780] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 151.169955] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 151.177533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 151.185145] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 151.194643] FAULT_INJECTION: forcing a failure. [ 151.194643] name failslab, interval 1, probability 0, space 0, times 0 [ 151.208381] CPU: 0 PID: 10028 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 151.216467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.225932] Call Trace: [ 151.228527] dump_stack+0x123/0x171 [ 151.232142] should_fail.cold.4+0x5/0xa [ 151.236102] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 151.241418] ? lock_downgrade+0x860/0x860 [ 151.245651] ? ___might_sleep+0x16b/0x270 [ 151.250499] __should_failslab+0xba/0xf0 [ 151.255008] should_failslab+0x9/0x20 [ 151.258976] kmem_cache_alloc_trace+0x2cb/0x740 [ 151.263682] ? qfq_change_class+0xa93/0x14e0 [ 151.268332] ? qfq_change_class+0xa93/0x14e0 [ 151.272729] ? __local_bh_enable_ip+0x160/0x260 [ 151.277384] qfq_change_class+0xad9/0x14e0 [ 151.281723] ? qfq_delete_class+0x2d0/0x2d0 [ 151.286329] ? nla_parse+0x197/0x280 [ 151.290158] tc_ctl_tclass+0x3e9/0xba0 [ 151.294156] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 151.299519] ? find_held_lock+0x36/0x1d0 [ 151.303675] rtnetlink_rcv_msg+0x34f/0x8f0 [ 151.307908] ? rtnetlink_put_metrics+0x490/0x490 [ 151.312670] ? find_held_lock+0x36/0x1d0 [ 151.316880] netlink_rcv_skb+0x13e/0x3d0 [ 151.320943] ? lock_downgrade+0x860/0x860 [ 151.325238] ? rtnetlink_put_metrics+0x490/0x490 [ 151.330286] ? netlink_ack+0xa70/0xa70 [ 151.334340] ? netlink_deliver_tap+0x182/0xb00 [ 151.338935] rtnetlink_rcv+0x10/0x20 [ 151.342733] netlink_unicast+0x443/0x650 [ 151.346969] ? netlink_attachskb+0x6c0/0x6c0 [ 151.351641] ? _copy_from_iter_full+0x182/0x720 [ 151.357023] ? __check_object_size+0x1ef/0x310 [ 151.362241] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 151.367932] netlink_sendmsg+0x764/0xc60 [ 151.372875] ? netlink_unicast+0x650/0x650 [ 151.377311] ? apparmor_socket_sendmsg+0x1b/0x20 [ 151.382453] ? netlink_unicast+0x650/0x650 [ 151.386681] sock_sendmsg+0xb5/0xf0 [ 151.390432] ___sys_sendmsg+0x647/0x950 [ 151.394481] ? find_held_lock+0x36/0x1d0 [ 151.398613] ? copy_msghdr_from_user+0x430/0x430 [ 151.403453] ? __fget+0x278/0x400 [ 151.407183] ? kasan_check_read+0x11/0x20 [ 151.411594] ? __fget+0x295/0x400 [ 151.415183] ? expand_files.part.8+0x700/0x700 [ 151.419938] ? __f_unlock_pos+0xd/0x10 [ 151.424002] ? __fget_light+0x174/0x1e0 [ 151.428150] ? __fdget+0xe/0x10 [ 151.431836] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 151.436844] __sys_sendmsg+0xd9/0x180 [ 151.440925] ? __ia32_sys_shutdown+0x70/0x70 [ 151.445636] ? __sb_end_write+0xa4/0xd0 [ 151.449937] ? kasan_check_write+0x14/0x20 [ 151.454340] ? fput+0x18/0x120 [ 151.457545] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.463017] __x64_sys_sendmsg+0x73/0xb0 [ 151.467074] do_syscall_64+0xd0/0x4e0 [ 151.471085] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.476986] RIP: 0033:0x463d89 [ 151.480658] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 151.503304] RSP: 002b:00007f366e9c0198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.511782] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 151.519522] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 151.527396] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 151.535141] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 151.542489] R13: 00007f366e9c06bc R14: 0000000000000008 R15: 0000000000000001 [ 151.559382] FAULT_INJECTION: forcing a failure. [ 151.559382] name failslab, interval 1, probability 0, space 0, times 0 [ 151.588057] CPU: 1 PID: 10045 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 151.596600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.607740] Call Trace: [ 151.610840] dump_stack+0x123/0x171 [ 151.614927] should_fail.cold.4+0x5/0xa [ 151.618915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 151.624209] ? lock_downgrade+0x860/0x860 [ 151.631045] ? ___might_sleep+0x16b/0x270 [ 151.635679] __should_failslab+0xba/0xf0 [ 151.640278] should_failslab+0x9/0x20 [ 151.644149] kmem_cache_alloc_trace+0x2cb/0x740 [ 151.649010] ? qfq_change_class+0xa93/0x14e0 [ 151.653526] ? qfq_change_class+0xa93/0x14e0 [ 151.658295] ? __local_bh_enable_ip+0x160/0x260 [ 151.663139] qfq_change_class+0xad9/0x14e0 [ 151.667527] ? qfq_delete_class+0x2d0/0x2d0 [ 151.675762] ? nla_parse+0x197/0x280 [ 151.679889] tc_ctl_tclass+0x3e9/0xba0 [ 151.684293] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 151.689614] ? find_held_lock+0x36/0x1d0 [ 151.694485] rtnetlink_rcv_msg+0x34f/0x8f0 [ 151.699364] ? rtnetlink_put_metrics+0x490/0x490 [ 151.704576] ? find_held_lock+0x36/0x1d0 [ 151.709409] netlink_rcv_skb+0x13e/0x3d0 [ 151.713808] ? lock_downgrade+0x860/0x860 [ 151.718418] ? rtnetlink_put_metrics+0x490/0x490 [ 151.723315] ? netlink_ack+0xa70/0xa70 [ 151.727429] ? netlink_deliver_tap+0x182/0xb00 [ 151.732256] rtnetlink_rcv+0x10/0x20 [ 151.735956] netlink_unicast+0x443/0x650 [ 151.740079] ? netlink_attachskb+0x6c0/0x6c0 [ 151.744573] ? _copy_from_iter_full+0x182/0x720 [ 151.749808] ? __check_object_size+0x1ef/0x310 [ 151.754498] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 151.760582] netlink_sendmsg+0x764/0xc60 [ 151.764763] ? netlink_unicast+0x650/0x650 [ 151.769430] ? apparmor_socket_sendmsg+0x1b/0x20 [ 151.774612] ? netlink_unicast+0x650/0x650 [ 151.779486] sock_sendmsg+0xb5/0xf0 [ 151.784081] ___sys_sendmsg+0x647/0x950 [ 151.788459] ? find_held_lock+0x36/0x1d0 [ 151.792611] ? copy_msghdr_from_user+0x430/0x430 [ 151.797819] ? __fget+0x278/0x400 [ 151.801276] ? kasan_check_read+0x11/0x20 [ 151.805508] ? __fget+0x295/0x400 [ 151.808954] ? expand_files.part.8+0x700/0x700 [ 151.813858] ? __f_unlock_pos+0xd/0x10 [ 151.818225] ? __fget_light+0x174/0x1e0 [ 151.822547] ? __fdget+0xe/0x10 [ 151.825920] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 151.831238] __sys_sendmsg+0xd9/0x180 [ 151.835065] ? __ia32_sys_shutdown+0x70/0x70 [ 151.839801] ? __sb_end_write+0xa4/0xd0 [ 151.843868] ? kasan_check_write+0x14/0x20 [ 151.848352] ? fput+0x18/0x120 [ 151.851629] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.857141] __x64_sys_sendmsg+0x73/0xb0 [ 151.861474] do_syscall_64+0xd0/0x4e0 [ 151.865264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 151.870442] RIP: 0033:0x463d89 [ 151.873737] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 151.893599] RSP: 002b:00007ff0893b8198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.901661] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 151.909727] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 151.917082] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 151.924862] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 151.932349] R13: 00007ff0893b86bc R14: 0000000000000009 R15: 0000000000000001 [ 151.943316] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 151.980132] FAULT_INJECTION: forcing a failure. [ 151.980132] name failslab, interval 1, probability 0, space 0, times 0 [ 151.992236] CPU: 0 PID: 10051 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 152.000433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.009972] Call Trace: [ 152.012662] dump_stack+0x123/0x171 [ 152.016289] should_fail.cold.4+0x5/0xa [ 152.020799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 152.026569] ? lock_downgrade+0x860/0x860 [ 152.030807] ? ___might_sleep+0x16b/0x270 [ 152.035033] __should_failslab+0xba/0xf0 [ 152.039089] should_failslab+0x9/0x20 [ 152.043000] kmem_cache_alloc_trace+0x2cb/0x740 [ 152.047665] ? qfq_change_class+0xa93/0x14e0 [ 152.052345] ? qfq_change_class+0xa93/0x14e0 [ 152.057051] ? __local_bh_enable_ip+0x160/0x260 [ 152.061934] qfq_change_class+0xad9/0x14e0 [ 152.066437] ? qfq_delete_class+0x2d0/0x2d0 [ 152.070860] ? nla_parse+0x197/0x280 [ 152.074654] tc_ctl_tclass+0x3e9/0xba0 [ 152.078537] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 152.084193] ? find_held_lock+0x36/0x1d0 [ 152.088444] rtnetlink_rcv_msg+0x34f/0x8f0 [ 152.093223] ? rtnetlink_put_metrics+0x490/0x490 [ 152.098193] ? find_held_lock+0x36/0x1d0 [ 152.102280] netlink_rcv_skb+0x13e/0x3d0 [ 152.106506] ? lock_downgrade+0x860/0x860 [ 152.111060] ? rtnetlink_put_metrics+0x490/0x490 [ 152.116441] ? netlink_ack+0xa70/0xa70 [ 152.120551] ? netlink_deliver_tap+0x182/0xb00 [ 152.125630] rtnetlink_rcv+0x10/0x20 [ 152.129916] netlink_unicast+0x443/0x650 [ 152.134768] ? netlink_attachskb+0x6c0/0x6c0 [ 152.139950] ? _copy_from_iter_full+0x182/0x720 [ 152.144686] ? __check_object_size+0x1ef/0x310 [ 152.149588] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 152.155834] netlink_sendmsg+0x764/0xc60 [ 152.160403] ? netlink_unicast+0x650/0x650 [ 152.165791] ? apparmor_socket_sendmsg+0x1b/0x20 [ 152.170719] ? netlink_unicast+0x650/0x650 [ 152.175491] sock_sendmsg+0xb5/0xf0 [ 152.179516] ___sys_sendmsg+0x647/0x950 [ 152.183584] ? find_held_lock+0x36/0x1d0 [ 152.188178] ? copy_msghdr_from_user+0x430/0x430 [ 152.193288] ? __fget+0x278/0x400 [ 152.197090] ? kasan_check_read+0x11/0x20 [ 152.201404] ? __fget+0x295/0x400 [ 152.205009] ? expand_files.part.8+0x700/0x700 [ 152.209924] ? __f_unlock_pos+0xd/0x10 [ 152.213819] ? __fget_light+0x174/0x1e0 [ 152.217901] ? __fdget+0xe/0x10 [ 152.221292] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 152.226299] __sys_sendmsg+0xd9/0x180 [ 152.230422] ? __ia32_sys_shutdown+0x70/0x70 [ 152.235268] ? __sb_end_write+0xa4/0xd0 [ 152.239367] ? kasan_check_write+0x14/0x20 [ 152.243598] ? fput+0x18/0x120 [ 152.246798] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 152.252306] __x64_sys_sendmsg+0x73/0xb0 [ 152.256659] do_syscall_64+0xd0/0x4e0 [ 152.260706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 152.265977] RIP: 0033:0x463d89 [ 152.269264] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 152.288537] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.296314] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 152.303665] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 152.311423] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 152.319604] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 152.327680] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 152.343176] FAULT_INJECTION: forcing a failure. [ 152.343176] name failslab, interval 1, probability 0, space 0, times 0 [ 152.356811] CPU: 0 PID: 10057 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 152.364804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.374798] Call Trace: [ 152.377378] dump_stack+0x123/0x171 [ 152.381221] should_fail.cold.4+0x5/0xa [ 152.385281] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 152.390387] ? lock_downgrade+0x860/0x860 [ 152.394800] ? ___might_sleep+0x16b/0x270 [ 152.399076] __should_failslab+0xba/0xf0 [ 152.403138] should_failslab+0x9/0x20 [ 152.407453] kmem_cache_alloc_trace+0x2cb/0x740 [ 152.412602] ? qfq_change_class+0xa93/0x14e0 [ 152.417106] ? qfq_change_class+0xa93/0x14e0 [ 152.421672] ? __local_bh_enable_ip+0x160/0x260 [ 152.426424] qfq_change_class+0xad9/0x14e0 [ 152.431085] ? qfq_delete_class+0x2d0/0x2d0 [ 152.435490] ? nla_parse+0x197/0x280 [ 152.439298] tc_ctl_tclass+0x3e9/0xba0 [ 152.443301] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 152.448406] ? find_held_lock+0x36/0x1d0 [ 152.452477] rtnetlink_rcv_msg+0x34f/0x8f0 [ 152.457054] ? rtnetlink_put_metrics+0x490/0x490 [ 152.462514] ? find_held_lock+0x36/0x1d0 [ 152.466682] netlink_rcv_skb+0x13e/0x3d0 [ 152.471489] ? lock_downgrade+0x860/0x860 [ 152.475911] ? rtnetlink_put_metrics+0x490/0x490 [ 152.480855] ? netlink_ack+0xa70/0xa70 [ 152.485008] ? netlink_deliver_tap+0x182/0xb00 [ 152.490060] rtnetlink_rcv+0x10/0x20 [ 152.494052] netlink_unicast+0x443/0x650 [ 152.498634] ? netlink_attachskb+0x6c0/0x6c0 [ 152.503750] ? _copy_from_iter_full+0x182/0x720 [ 152.508792] ? __check_object_size+0x1ef/0x310 [ 152.513561] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 152.519769] netlink_sendmsg+0x764/0xc60 [ 152.523940] ? netlink_unicast+0x650/0x650 [ 152.528225] ? apparmor_socket_sendmsg+0x1b/0x20 [ 152.533258] ? netlink_unicast+0x650/0x650 [ 152.537487] sock_sendmsg+0xb5/0xf0 [ 152.541443] ___sys_sendmsg+0x647/0x950 [ 152.545808] ? find_held_lock+0x36/0x1d0 [ 152.550121] ? copy_msghdr_from_user+0x430/0x430 [ 152.555560] ? __fget+0x278/0x400 [ 152.559352] ? kasan_check_read+0x11/0x20 [ 152.563677] ? __fget+0x295/0x400 [ 152.567138] ? expand_files.part.8+0x700/0x700 [ 152.572358] ? __f_unlock_pos+0xd/0x10 [ 152.576909] ? __fget_light+0x174/0x1e0 [ 152.581191] ? __fdget+0xe/0x10 [ 152.585111] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 152.590555] __sys_sendmsg+0xd9/0x180 [ 152.594698] ? __ia32_sys_shutdown+0x70/0x70 [ 152.599827] ? __sb_end_write+0xa4/0xd0 [ 152.603812] ? kasan_check_write+0x14/0x20 [ 152.608634] ? fput+0x18/0x120 [ 152.612197] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 152.617876] __x64_sys_sendmsg+0x73/0xb0 [ 152.621940] do_syscall_64+0xd0/0x4e0 [ 152.625744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 152.631025] RIP: 0033:0x463d89 [ 152.634681] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 152.653886] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.661805] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 152.669691] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 152.678419] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 152.685932] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 152.693666] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 152.721695] FAULT_INJECTION: forcing a failure. [ 152.721695] name failslab, interval 1, probability 0, space 0, times 0 [ 152.736847] CPU: 0 PID: 10071 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 152.744933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.754392] Call Trace: [ 152.756985] dump_stack+0x123/0x171 [ 152.760800] should_fail.cold.4+0x5/0xa [ 152.764962] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 152.770190] ? lock_downgrade+0x860/0x860 [ 152.774347] ? ___might_sleep+0x16b/0x270 [ 152.778637] __should_failslab+0xba/0xf0 [ 152.783112] should_failslab+0x9/0x20 [ 152.787188] kmem_cache_alloc_trace+0x2cb/0x740 [ 152.791944] ? qfq_change_class+0xa93/0x14e0 [ 152.796518] ? qfq_change_class+0xa93/0x14e0 [ 152.800919] ? __local_bh_enable_ip+0x160/0x260 [ 152.805761] qfq_change_class+0xad9/0x14e0 [ 152.810814] ? qfq_delete_class+0x2d0/0x2d0 [ 152.815428] ? nla_parse+0x197/0x280 [ 152.819411] tc_ctl_tclass+0x3e9/0xba0 [ 152.823527] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 152.828916] ? find_held_lock+0x36/0x1d0 [ 152.833602] rtnetlink_rcv_msg+0x34f/0x8f0 [ 152.838505] ? rtnetlink_put_metrics+0x490/0x490 [ 152.843356] ? find_held_lock+0x36/0x1d0 [ 152.847526] netlink_rcv_skb+0x13e/0x3d0 [ 152.851747] ? lock_downgrade+0x860/0x860 [ 152.856356] ? rtnetlink_put_metrics+0x490/0x490 [ 152.861295] ? netlink_ack+0xa70/0xa70 [ 152.865185] ? netlink_deliver_tap+0x182/0xb00 [ 152.869775] rtnetlink_rcv+0x10/0x20 [ 152.873486] netlink_unicast+0x443/0x650 [ 152.877630] ? netlink_attachskb+0x6c0/0x6c0 [ 152.882438] ? _copy_from_iter_full+0x182/0x720 [ 152.887223] ? __check_object_size+0x1ef/0x310 [ 152.891812] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 152.897512] netlink_sendmsg+0x764/0xc60 [ 152.901828] ? netlink_unicast+0x650/0x650 [ 152.906249] ? apparmor_socket_sendmsg+0x1b/0x20 [ 152.911537] ? netlink_unicast+0x650/0x650 [ 152.916122] sock_sendmsg+0xb5/0xf0 [ 152.920359] ___sys_sendmsg+0x647/0x950 [ 152.924503] ? find_held_lock+0x36/0x1d0 [ 152.928578] ? copy_msghdr_from_user+0x430/0x430 [ 152.933515] ? __fget+0x278/0x400 [ 152.937613] ? kasan_check_read+0x11/0x20 [ 152.941929] ? __fget+0x295/0x400 [ 152.945700] ? expand_files.part.8+0x700/0x700 [ 152.950639] ? __f_unlock_pos+0xd/0x10 [ 152.954639] ? __fget_light+0x174/0x1e0 [ 152.958616] ? __fdget+0xe/0x10 [ 152.962665] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 152.967507] __sys_sendmsg+0xd9/0x180 [ 152.971675] ? __ia32_sys_shutdown+0x70/0x70 [ 152.976192] ? __sb_end_write+0xa4/0xd0 [ 152.980737] ? kasan_check_write+0x14/0x20 [ 152.985054] ? fput+0x18/0x120 [ 152.988333] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 152.993784] __x64_sys_sendmsg+0x73/0xb0 [ 152.998136] do_syscall_64+0xd0/0x4e0 [ 153.002151] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 153.008185] RIP: 0033:0x463d89 [ 153.011376] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 153.031339] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.039678] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 153.047209] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 153.054633] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 153.061893] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 153.069695] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 153.111755] FAULT_INJECTION: forcing a failure. [ 153.111755] name failslab, interval 1, probability 0, space 0, times 0 [ 153.133022] CPU: 0 PID: 10082 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 153.141429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.152167] Call Trace: [ 153.154993] dump_stack+0x123/0x171 [ 153.158739] should_fail.cold.4+0x5/0xa [ 153.163174] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 153.168636] ? lock_downgrade+0x860/0x860 [ 153.172875] ? ___might_sleep+0x16b/0x270 [ 153.177372] __should_failslab+0xba/0xf0 [ 153.181729] should_failslab+0x9/0x20 [ 153.185521] kmem_cache_alloc_trace+0x2cb/0x740 [ 153.190177] ? qfq_change_class+0xa93/0x14e0 [ 153.194786] ? qfq_change_class+0xa93/0x14e0 [ 153.199552] ? __local_bh_enable_ip+0x160/0x260 [ 153.204412] qfq_change_class+0xad9/0x14e0 [ 153.209120] ? qfq_delete_class+0x2d0/0x2d0 [ 153.213818] ? nla_parse+0x197/0x280 [ 153.217617] tc_ctl_tclass+0x3e9/0xba0 [ 153.221857] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 153.227400] ? find_held_lock+0x36/0x1d0 [ 153.231472] rtnetlink_rcv_msg+0x34f/0x8f0 [ 153.235702] ? rtnetlink_put_metrics+0x490/0x490 [ 153.240712] ? find_held_lock+0x36/0x1d0 [ 153.244798] netlink_rcv_skb+0x13e/0x3d0 [ 153.248958] ? lock_downgrade+0x860/0x860 [ 153.253252] ? rtnetlink_put_metrics+0x490/0x490 [ 153.258536] ? netlink_ack+0xa70/0xa70 [ 153.262512] ? netlink_deliver_tap+0x182/0xb00 [ 153.267091] rtnetlink_rcv+0x10/0x20 [ 153.270828] netlink_unicast+0x443/0x650 [ 153.275064] ? netlink_attachskb+0x6c0/0x6c0 [ 153.280111] ? _copy_from_iter_full+0x182/0x720 [ 153.285139] ? __check_object_size+0x1ef/0x310 [ 153.289823] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 153.295453] netlink_sendmsg+0x764/0xc60 [ 153.299860] ? netlink_unicast+0x650/0x650 [ 153.304096] ? apparmor_socket_sendmsg+0x1b/0x20 [ 153.311119] ? netlink_unicast+0x650/0x650 [ 153.315523] sock_sendmsg+0xb5/0xf0 [ 153.319583] ___sys_sendmsg+0x647/0x950 [ 153.323688] ? find_held_lock+0x36/0x1d0 [ 153.327759] ? copy_msghdr_from_user+0x430/0x430 [ 153.333183] ? __fget+0x278/0x400 [ 153.337342] ? kasan_check_read+0x11/0x20 [ 153.342103] ? __fget+0x295/0x400 [ 153.345711] ? expand_files.part.8+0x700/0x700 [ 153.350311] ? __f_unlock_pos+0xd/0x10 [ 153.354198] ? __fget_light+0x174/0x1e0 [ 153.358354] ? __fdget+0xe/0x10 [ 153.361833] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 153.367151] __sys_sendmsg+0xd9/0x180 [ 153.371246] ? __ia32_sys_shutdown+0x70/0x70 [ 153.375734] ? __sb_end_write+0xa4/0xd0 [ 153.379893] ? kasan_check_write+0x14/0x20 [ 153.384231] ? fput+0x18/0x120 [ 153.387686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 153.393330] __x64_sys_sendmsg+0x73/0xb0 [ 153.397589] do_syscall_64+0xd0/0x4e0 [ 153.401485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 153.406692] RIP: 0033:0x463d89 [ 153.410045] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 153.430712] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.438725] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 153.446564] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 153.454052] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 2021/04/24 20:08:08 executed programs: 295 [ 153.461728] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 153.469931] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 153.479476] FAULT_INJECTION: forcing a failure. [ 153.479476] name failslab, interval 1, probability 0, space 0, times 0 [ 153.493634] CPU: 0 PID: 10083 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 153.501875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.511527] Call Trace: [ 153.514209] dump_stack+0x123/0x171 [ 153.518087] should_fail.cold.4+0x5/0xa [ 153.522353] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 153.527655] ? lock_downgrade+0x860/0x860 [ 153.531807] ? ___might_sleep+0x16b/0x270 [ 153.535966] __should_failslab+0xba/0xf0 [ 153.540115] should_failslab+0x9/0x20 [ 153.544271] kmem_cache_alloc_trace+0x2cb/0x740 [ 153.549218] ? qfq_change_class+0xa93/0x14e0 [ 153.553613] ? qfq_change_class+0xa93/0x14e0 [ 153.558646] ? __local_bh_enable_ip+0x160/0x260 [ 153.563408] qfq_change_class+0xad9/0x14e0 [ 153.568074] ? qfq_delete_class+0x2d0/0x2d0 [ 153.572486] ? nla_parse+0x197/0x280 [ 153.576377] tc_ctl_tclass+0x3e9/0xba0 [ 153.580538] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 153.585900] ? find_held_lock+0x36/0x1d0 [ 153.590085] rtnetlink_rcv_msg+0x34f/0x8f0 [ 153.595465] ? rtnetlink_put_metrics+0x490/0x490 [ 153.600925] ? find_held_lock+0x36/0x1d0 [ 153.604997] netlink_rcv_skb+0x13e/0x3d0 [ 153.609104] ? lock_downgrade+0x860/0x860 [ 153.613344] ? rtnetlink_put_metrics+0x490/0x490 [ 153.618309] ? netlink_ack+0xa70/0xa70 [ 153.622417] ? netlink_deliver_tap+0x182/0xb00 [ 153.627134] rtnetlink_rcv+0x10/0x20 [ 153.630843] netlink_unicast+0x443/0x650 [ 153.634908] ? netlink_attachskb+0x6c0/0x6c0 [ 153.639394] ? _copy_from_iter_full+0x182/0x720 [ 153.644147] ? __check_object_size+0x1ef/0x310 [ 153.648832] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 153.654453] netlink_sendmsg+0x764/0xc60 [ 153.658793] ? netlink_unicast+0x650/0x650 [ 153.663043] ? apparmor_socket_sendmsg+0x1b/0x20 [ 153.668055] ? netlink_unicast+0x650/0x650 [ 153.672538] sock_sendmsg+0xb5/0xf0 [ 153.676162] ___sys_sendmsg+0x647/0x950 [ 153.680143] ? find_held_lock+0x36/0x1d0 [ 153.684306] ? copy_msghdr_from_user+0x430/0x430 [ 153.689692] ? __fget+0x278/0x400 [ 153.693450] ? kasan_check_read+0x11/0x20 [ 153.697591] ? __fget+0x295/0x400 [ 153.701137] ? expand_files.part.8+0x700/0x700 [ 153.705715] ? __f_unlock_pos+0xd/0x10 [ 153.709798] ? __fget_light+0x174/0x1e0 [ 153.713862] ? __fdget+0xe/0x10 [ 153.717325] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 153.722284] __sys_sendmsg+0xd9/0x180 [ 153.726086] ? __ia32_sys_shutdown+0x70/0x70 [ 153.730721] ? __sb_end_write+0xa4/0xd0 [ 153.735138] ? kasan_check_write+0x14/0x20 [ 153.739377] ? fput+0x18/0x120 [ 153.742570] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 153.748126] __x64_sys_sendmsg+0x73/0xb0 [ 153.752197] do_syscall_64+0xd0/0x4e0 [ 153.756437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 153.761704] RIP: 0033:0x463d89 [ 153.764902] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 153.785172] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.793151] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 153.801325] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 153.808607] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 153.816146] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 153.823586] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 153.834006] nla_parse: 4 callbacks suppressed [ 153.834011] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 153.864468] FAULT_INJECTION: forcing a failure. [ 153.864468] name failslab, interval 1, probability 0, space 0, times 0 [ 153.876697] CPU: 1 PID: 10093 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 153.885302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.895233] Call Trace: [ 153.898031] dump_stack+0x123/0x171 [ 153.902147] should_fail.cold.4+0x5/0xa [ 153.906247] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 153.911569] ? lock_downgrade+0x860/0x860 [ 153.915805] ? ___might_sleep+0x16b/0x270 [ 153.920411] __should_failslab+0xba/0xf0 [ 153.924858] should_failslab+0x9/0x20 [ 153.928871] kmem_cache_alloc_trace+0x2cb/0x740 [ 153.933756] ? qfq_change_class+0xa93/0x14e0 [ 153.938154] ? qfq_change_class+0xa93/0x14e0 [ 153.942649] ? __local_bh_enable_ip+0x160/0x260 [ 153.947314] qfq_change_class+0xad9/0x14e0 [ 153.951741] ? qfq_delete_class+0x2d0/0x2d0 [ 153.956055] ? nla_parse+0x197/0x280 [ 153.959872] tc_ctl_tclass+0x3e9/0xba0 [ 153.963843] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 153.968943] ? find_held_lock+0x36/0x1d0 [ 153.973008] rtnetlink_rcv_msg+0x34f/0x8f0 [ 153.977472] ? rtnetlink_put_metrics+0x490/0x490 [ 153.982309] ? find_held_lock+0x36/0x1d0 [ 153.986538] netlink_rcv_skb+0x13e/0x3d0 [ 153.990684] ? lock_downgrade+0x860/0x860 [ 153.994827] ? rtnetlink_put_metrics+0x490/0x490 [ 153.999726] ? netlink_ack+0xa70/0xa70 [ 154.004035] ? netlink_deliver_tap+0x182/0xb00 [ 154.008623] rtnetlink_rcv+0x10/0x20 [ 154.012497] netlink_unicast+0x443/0x650 [ 154.016919] ? netlink_attachskb+0x6c0/0x6c0 [ 154.021562] ? _copy_from_iter_full+0x182/0x720 [ 154.026748] ? __check_object_size+0x1ef/0x310 [ 154.031728] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 154.037408] netlink_sendmsg+0x764/0xc60 [ 154.041482] ? netlink_unicast+0x650/0x650 [ 154.045814] ? apparmor_socket_sendmsg+0x1b/0x20 [ 154.050669] ? netlink_unicast+0x650/0x650 [ 154.055302] sock_sendmsg+0xb5/0xf0 [ 154.059207] ___sys_sendmsg+0x647/0x950 [ 154.063351] ? find_held_lock+0x36/0x1d0 [ 154.067709] ? copy_msghdr_from_user+0x430/0x430 [ 154.073103] ? __fget+0x278/0x400 [ 154.076774] ? kasan_check_read+0x11/0x20 [ 154.081147] ? __fget+0x295/0x400 [ 154.084593] ? expand_files.part.8+0x700/0x700 [ 154.089252] ? __f_unlock_pos+0xd/0x10 [ 154.093198] ? __fget_light+0x174/0x1e0 [ 154.097190] ? __fdget+0xe/0x10 [ 154.100562] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 154.105413] __sys_sendmsg+0xd9/0x180 [ 154.109463] ? __ia32_sys_shutdown+0x70/0x70 [ 154.113871] ? __sb_end_write+0xa4/0xd0 [ 154.118023] ? kasan_check_write+0x14/0x20 [ 154.122885] ? fput+0x18/0x120 [ 154.126353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.131815] __x64_sys_sendmsg+0x73/0xb0 [ 154.136374] do_syscall_64+0xd0/0x4e0 [ 154.140362] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.145772] RIP: 0033:0x463d89 [ 154.149114] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 154.169300] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.177702] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 154.185342] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 154.193344] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 154.200801] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 154.208452] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 154.232323] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 154.259399] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 154.276403] FAULT_INJECTION: forcing a failure. [ 154.276403] name failslab, interval 1, probability 0, space 0, times 0 [ 154.289419] CPU: 1 PID: 10111 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 154.297728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.307551] Call Trace: [ 154.311593] dump_stack+0x123/0x171 [ 154.315313] should_fail.cold.4+0x5/0xa [ 154.319423] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 154.325185] ? lock_downgrade+0x860/0x860 [ 154.329526] ? ___might_sleep+0x16b/0x270 [ 154.333937] __should_failslab+0xba/0xf0 [ 154.338078] should_failslab+0x9/0x20 [ 154.342029] kmem_cache_alloc_trace+0x2cb/0x740 [ 154.346701] ? qfq_change_class+0xa93/0x14e0 [ 154.351403] ? qfq_change_class+0xa93/0x14e0 [ 154.356114] ? __local_bh_enable_ip+0x160/0x260 [ 154.361720] qfq_change_class+0xad9/0x14e0 [ 154.366128] ? qfq_delete_class+0x2d0/0x2d0 [ 154.370655] ? nla_parse+0x197/0x280 [ 154.374612] tc_ctl_tclass+0x3e9/0xba0 [ 154.378774] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 154.384322] ? find_held_lock+0x36/0x1d0 [ 154.388384] rtnetlink_rcv_msg+0x34f/0x8f0 [ 154.392844] ? rtnetlink_put_metrics+0x490/0x490 [ 154.397796] ? find_held_lock+0x36/0x1d0 [ 154.402272] netlink_rcv_skb+0x13e/0x3d0 [ 154.406509] ? lock_downgrade+0x860/0x860 [ 154.410776] ? rtnetlink_put_metrics+0x490/0x490 [ 154.415830] ? netlink_ack+0xa70/0xa70 [ 154.419985] ? netlink_deliver_tap+0x182/0xb00 [ 154.425435] rtnetlink_rcv+0x10/0x20 [ 154.430427] netlink_unicast+0x443/0x650 [ 154.434764] ? netlink_attachskb+0x6c0/0x6c0 [ 154.439738] ? _copy_from_iter_full+0x182/0x720 [ 154.445033] ? __check_object_size+0x1ef/0x310 [ 154.449923] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 154.455589] netlink_sendmsg+0x764/0xc60 [ 154.460149] ? netlink_unicast+0x650/0x650 [ 154.464378] ? apparmor_socket_sendmsg+0x1b/0x20 [ 154.469290] ? netlink_unicast+0x650/0x650 [ 154.473774] sock_sendmsg+0xb5/0xf0 [ 154.477637] ___sys_sendmsg+0x647/0x950 [ 154.482045] ? find_held_lock+0x36/0x1d0 [ 154.486110] ? copy_msghdr_from_user+0x430/0x430 [ 154.491105] ? __fget+0x278/0x400 [ 154.494948] ? kasan_check_read+0x11/0x20 [ 154.499093] ? __fget+0x295/0x400 [ 154.502564] ? expand_files.part.8+0x700/0x700 [ 154.507144] ? __f_unlock_pos+0xd/0x10 [ 154.511273] ? __fget_light+0x174/0x1e0 [ 154.515423] ? __fdget+0xe/0x10 [ 154.519062] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 154.524150] __sys_sendmsg+0xd9/0x180 [ 154.528074] ? __ia32_sys_shutdown+0x70/0x70 [ 154.532640] ? __sb_end_write+0xa4/0xd0 [ 154.536635] ? kasan_check_write+0x14/0x20 [ 154.541090] ? fput+0x18/0x120 [ 154.544274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.549714] __x64_sys_sendmsg+0x73/0xb0 [ 154.554471] do_syscall_64+0xd0/0x4e0 [ 154.558589] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.564052] RIP: 0033:0x463d89 [ 154.567490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 154.586570] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.594263] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 154.601626] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 154.609057] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 154.616855] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 154.624200] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 154.633213] FAULT_INJECTION: forcing a failure. [ 154.633213] name failslab, interval 1, probability 0, space 0, times 0 [ 154.646498] CPU: 1 PID: 10124 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 154.654577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.664110] Call Trace: [ 154.666948] dump_stack+0x123/0x171 [ 154.670765] should_fail.cold.4+0x5/0xa [ 154.674972] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 154.680360] ? lock_downgrade+0x860/0x860 [ 154.684519] ? ___might_sleep+0x16b/0x270 [ 154.688886] __should_failslab+0xba/0xf0 [ 154.693155] should_failslab+0x9/0x20 [ 154.696971] kmem_cache_alloc_trace+0x2cb/0x740 [ 154.702320] ? qfq_change_class+0xa93/0x14e0 [ 154.706900] ? qfq_change_class+0xa93/0x14e0 [ 154.711933] ? __local_bh_enable_ip+0x160/0x260 [ 154.716882] qfq_change_class+0xad9/0x14e0 [ 154.721687] ? qfq_delete_class+0x2d0/0x2d0 [ 154.726130] ? nla_parse+0x197/0x280 [ 154.729842] tc_ctl_tclass+0x3e9/0xba0 [ 154.733914] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 154.739336] ? find_held_lock+0x36/0x1d0 [ 154.743976] rtnetlink_rcv_msg+0x34f/0x8f0 [ 154.748404] ? rtnetlink_put_metrics+0x490/0x490 [ 154.753252] ? find_held_lock+0x36/0x1d0 [ 154.757594] netlink_rcv_skb+0x13e/0x3d0 [ 154.762066] ? lock_downgrade+0x860/0x860 [ 154.766348] ? rtnetlink_put_metrics+0x490/0x490 [ 154.771402] ? netlink_ack+0xa70/0xa70 [ 154.776026] ? netlink_deliver_tap+0x182/0xb00 [ 154.780825] rtnetlink_rcv+0x10/0x20 [ 154.784752] netlink_unicast+0x443/0x650 [ 154.788996] ? netlink_attachskb+0x6c0/0x6c0 [ 154.793687] ? _copy_from_iter_full+0x182/0x720 [ 154.798948] ? __check_object_size+0x1ef/0x310 [ 154.804161] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 154.810018] netlink_sendmsg+0x764/0xc60 [ 154.814607] ? netlink_unicast+0x650/0x650 [ 154.819079] ? apparmor_socket_sendmsg+0x1b/0x20 [ 154.824652] ? netlink_unicast+0x650/0x650 [ 154.829280] sock_sendmsg+0xb5/0xf0 [ 154.833029] ___sys_sendmsg+0x647/0x950 [ 154.837037] ? find_held_lock+0x36/0x1d0 [ 154.841266] ? copy_msghdr_from_user+0x430/0x430 [ 154.846202] ? __fget+0x278/0x400 [ 154.850183] ? kasan_check_read+0x11/0x20 [ 154.854629] ? __fget+0x295/0x400 [ 154.858655] ? expand_files.part.8+0x700/0x700 [ 154.863469] ? __f_unlock_pos+0xd/0x10 [ 154.867354] ? __fget_light+0x174/0x1e0 [ 154.871881] ? __fdget+0xe/0x10 [ 154.875269] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 154.880262] __sys_sendmsg+0xd9/0x180 [ 154.884245] ? __ia32_sys_shutdown+0x70/0x70 [ 154.889371] ? __sb_end_write+0xa4/0xd0 [ 154.893881] ? kasan_check_write+0x14/0x20 [ 154.898221] ? fput+0x18/0x120 [ 154.901633] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.907184] __x64_sys_sendmsg+0x73/0xb0 [ 154.911769] do_syscall_64+0xd0/0x4e0 [ 154.915660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 154.921124] RIP: 0033:0x463d89 [ 154.924480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 154.944089] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.951825] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 154.959265] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 154.966768] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 154.974947] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 154.983261] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 154.991407] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 155.007722] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 155.028042] FAULT_INJECTION: forcing a failure. [ 155.028042] name failslab, interval 1, probability 0, space 0, times 0 [ 155.043720] CPU: 0 PID: 10132 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 155.051718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.062111] Call Trace: [ 155.064699] dump_stack+0x123/0x171 [ 155.068770] should_fail.cold.4+0x5/0xa [ 155.072955] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 155.078838] ? lock_downgrade+0x860/0x860 [ 155.083330] ? ___might_sleep+0x16b/0x270 [ 155.087508] __should_failslab+0xba/0xf0 [ 155.091772] should_failslab+0x9/0x20 [ 155.095764] kmem_cache_alloc_trace+0x2cb/0x740 [ 155.100421] ? qfq_change_class+0xa93/0x14e0 [ 155.104919] ? qfq_change_class+0xa93/0x14e0 [ 155.109439] ? __local_bh_enable_ip+0x160/0x260 [ 155.114216] qfq_change_class+0xad9/0x14e0 [ 155.118537] ? qfq_delete_class+0x2d0/0x2d0 [ 155.123139] ? nla_parse+0x197/0x280 [ 155.126947] tc_ctl_tclass+0x3e9/0xba0 [ 155.130927] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 155.136013] ? find_held_lock+0x36/0x1d0 [ 155.140170] rtnetlink_rcv_msg+0x34f/0x8f0 [ 155.144404] ? rtnetlink_put_metrics+0x490/0x490 [ 155.149576] ? find_held_lock+0x36/0x1d0 [ 155.154281] netlink_rcv_skb+0x13e/0x3d0 [ 155.158623] ? lock_downgrade+0x860/0x860 [ 155.163126] ? rtnetlink_put_metrics+0x490/0x490 [ 155.168049] ? netlink_ack+0xa70/0xa70 [ 155.172067] ? netlink_deliver_tap+0x182/0xb00 [ 155.177035] rtnetlink_rcv+0x10/0x20 [ 155.180738] netlink_unicast+0x443/0x650 [ 155.184918] ? netlink_attachskb+0x6c0/0x6c0 [ 155.189407] ? _copy_from_iter_full+0x182/0x720 [ 155.194087] ? __check_object_size+0x1ef/0x310 [ 155.198739] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 155.204581] netlink_sendmsg+0x764/0xc60 [ 155.208742] ? netlink_unicast+0x650/0x650 [ 155.213069] ? apparmor_socket_sendmsg+0x1b/0x20 [ 155.217935] ? netlink_unicast+0x650/0x650 [ 155.222439] sock_sendmsg+0xb5/0xf0 [ 155.226071] ___sys_sendmsg+0x647/0x950 [ 155.230386] ? find_held_lock+0x36/0x1d0 [ 155.234446] ? copy_msghdr_from_user+0x430/0x430 [ 155.239466] ? __fget+0x278/0x400 [ 155.243039] ? kasan_check_read+0x11/0x20 [ 155.247366] ? __fget+0x295/0x400 [ 155.250911] ? expand_files.part.8+0x700/0x700 [ 155.255492] ? __f_unlock_pos+0xd/0x10 [ 155.259513] ? __fget_light+0x174/0x1e0 [ 155.263748] ? __fdget+0xe/0x10 [ 155.267147] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 155.271975] __sys_sendmsg+0xd9/0x180 [ 155.275846] ? __ia32_sys_shutdown+0x70/0x70 [ 155.280268] ? __sb_end_write+0xa4/0xd0 [ 155.284340] ? kasan_check_write+0x14/0x20 [ 155.288741] ? fput+0x18/0x120 [ 155.292026] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 155.297510] __x64_sys_sendmsg+0x73/0xb0 [ 155.301571] do_syscall_64+0xd0/0x4e0 [ 155.305374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 155.310746] RIP: 0033:0x463d89 [ 155.314007] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 155.332984] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.341055] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 155.348472] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 155.355991] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 155.363334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 155.370604] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 155.389116] FAULT_INJECTION: forcing a failure. [ 155.389116] name failslab, interval 1, probability 0, space 0, times 0 [ 155.403082] CPU: 0 PID: 10133 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 155.411070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.420540] Call Trace: [ 155.423188] dump_stack+0x123/0x171 [ 155.426927] should_fail.cold.4+0x5/0xa [ 155.431078] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 155.436284] ? lock_downgrade+0x860/0x860 [ 155.440440] ? ___might_sleep+0x16b/0x270 [ 155.444892] __should_failslab+0xba/0xf0 [ 155.449176] should_failslab+0x9/0x20 [ 155.452999] kmem_cache_alloc_trace+0x2cb/0x740 [ 155.458111] ? qfq_change_class+0xa93/0x14e0 [ 155.462618] ? qfq_change_class+0xa93/0x14e0 [ 155.467308] ? __local_bh_enable_ip+0x160/0x260 [ 155.471984] qfq_change_class+0xad9/0x14e0 [ 155.476222] ? qfq_delete_class+0x2d0/0x2d0 [ 155.480535] ? nla_parse+0x197/0x280 [ 155.484637] tc_ctl_tclass+0x3e9/0xba0 [ 155.488617] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 155.493795] ? find_held_lock+0x36/0x1d0 [ 155.498327] rtnetlink_rcv_msg+0x34f/0x8f0 [ 155.503015] ? rtnetlink_put_metrics+0x490/0x490 [ 155.508220] ? find_held_lock+0x36/0x1d0 [ 155.512277] netlink_rcv_skb+0x13e/0x3d0 [ 155.516470] ? lock_downgrade+0x860/0x860 [ 155.520616] ? rtnetlink_put_metrics+0x490/0x490 [ 155.525385] ? netlink_ack+0xa70/0xa70 [ 155.529665] ? netlink_deliver_tap+0x182/0xb00 [ 155.534578] rtnetlink_rcv+0x10/0x20 [ 155.538603] netlink_unicast+0x443/0x650 [ 155.542755] ? netlink_attachskb+0x6c0/0x6c0 [ 155.547156] ? _copy_from_iter_full+0x182/0x720 [ 155.551823] ? __check_object_size+0x1ef/0x310 [ 155.556587] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 155.562304] netlink_sendmsg+0x764/0xc60 [ 155.566379] ? netlink_unicast+0x650/0x650 [ 155.570732] ? apparmor_socket_sendmsg+0x1b/0x20 [ 155.575797] ? netlink_unicast+0x650/0x650 [ 155.580524] sock_sendmsg+0xb5/0xf0 [ 155.584383] ___sys_sendmsg+0x647/0x950 [ 155.588669] ? find_held_lock+0x36/0x1d0 [ 155.592738] ? copy_msghdr_from_user+0x430/0x430 [ 155.597585] ? __fget+0x278/0x400 [ 155.601045] ? kasan_check_read+0x11/0x20 [ 155.605191] ? __fget+0x295/0x400 [ 155.608644] ? expand_files.part.8+0x700/0x700 [ 155.613331] ? __f_unlock_pos+0xd/0x10 [ 155.617489] ? __fget_light+0x174/0x1e0 [ 155.621646] ? __fdget+0xe/0x10 [ 155.624916] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 155.629956] __sys_sendmsg+0xd9/0x180 [ 155.633997] ? __ia32_sys_shutdown+0x70/0x70 [ 155.638744] ? __sb_end_write+0xa4/0xd0 [ 155.642991] ? kasan_check_write+0x14/0x20 [ 155.647318] ? fput+0x18/0x120 [ 155.650581] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 155.656293] __x64_sys_sendmsg+0x73/0xb0 [ 155.660707] do_syscall_64+0xd0/0x4e0 [ 155.664599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 155.669961] RIP: 0033:0x463d89 [ 155.673136] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 155.694566] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.702653] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 155.711195] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 155.722279] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 155.731695] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 155.740748] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 155.752914] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 155.773179] FAULT_INJECTION: forcing a failure. [ 155.773179] name failslab, interval 1, probability 0, space 0, times 0 [ 155.788584] CPU: 0 PID: 10143 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 155.797194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.807241] Call Trace: [ 155.810115] dump_stack+0x123/0x171 [ 155.813958] should_fail.cold.4+0x5/0xa [ 155.817941] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 155.823204] ? lock_downgrade+0x860/0x860 [ 155.827557] ? ___might_sleep+0x16b/0x270 [ 155.831748] __should_failslab+0xba/0xf0 [ 155.835984] should_failslab+0x9/0x20 [ 155.839784] kmem_cache_alloc_trace+0x2cb/0x740 [ 155.844534] ? qfq_change_class+0xa93/0x14e0 [ 155.849233] ? qfq_change_class+0xa93/0x14e0 [ 155.853640] ? __local_bh_enable_ip+0x160/0x260 [ 155.858497] qfq_change_class+0xad9/0x14e0 [ 155.862729] ? qfq_delete_class+0x2d0/0x2d0 [ 155.867127] ? nla_parse+0x197/0x280 [ 155.870962] tc_ctl_tclass+0x3e9/0xba0 [ 155.874928] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 155.880112] ? find_held_lock+0x36/0x1d0 [ 155.884757] rtnetlink_rcv_msg+0x34f/0x8f0 [ 155.889688] ? rtnetlink_put_metrics+0x490/0x490 [ 155.894790] ? find_held_lock+0x36/0x1d0 [ 155.899225] netlink_rcv_skb+0x13e/0x3d0 [ 155.903570] ? lock_downgrade+0x860/0x860 [ 155.907824] ? rtnetlink_put_metrics+0x490/0x490 [ 155.912725] ? netlink_ack+0xa70/0xa70 [ 155.916606] ? netlink_deliver_tap+0x182/0xb00 [ 155.921264] rtnetlink_rcv+0x10/0x20 [ 155.925137] netlink_unicast+0x443/0x650 [ 155.929535] ? netlink_attachskb+0x6c0/0x6c0 [ 155.933947] ? _copy_from_iter_full+0x182/0x720 [ 155.938806] ? __check_object_size+0x1ef/0x310 [ 155.943712] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 155.949465] netlink_sendmsg+0x764/0xc60 [ 155.953816] ? netlink_unicast+0x650/0x650 [ 155.958523] ? apparmor_socket_sendmsg+0x1b/0x20 [ 155.963666] ? netlink_unicast+0x650/0x650 [ 155.968371] sock_sendmsg+0xb5/0xf0 [ 155.972240] ___sys_sendmsg+0x647/0x950 [ 155.976979] ? find_held_lock+0x36/0x1d0 [ 155.981928] ? copy_msghdr_from_user+0x430/0x430 [ 155.987157] ? __fget+0x278/0x400 [ 155.991002] ? kasan_check_read+0x11/0x20 [ 155.996011] ? __fget+0x295/0x400 [ 155.999760] ? expand_files.part.8+0x700/0x700 [ 156.004432] ? __f_unlock_pos+0xd/0x10 [ 156.008574] ? __fget_light+0x174/0x1e0 [ 156.012758] ? __fdget+0xe/0x10 [ 156.016240] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 156.021389] __sys_sendmsg+0xd9/0x180 [ 156.025267] ? __ia32_sys_shutdown+0x70/0x70 [ 156.029684] ? __sb_end_write+0xa4/0xd0 [ 156.033749] ? kasan_check_write+0x14/0x20 [ 156.038082] ? fput+0x18/0x120 [ 156.041493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.046864] __x64_sys_sendmsg+0x73/0xb0 [ 156.051219] do_syscall_64+0xd0/0x4e0 [ 156.055477] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.060869] RIP: 0033:0x463d89 [ 156.064325] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 156.084364] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.092243] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 156.099600] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 156.107124] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 156.115348] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 156.123242] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 156.133366] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 156.158107] FAULT_INJECTION: forcing a failure. [ 156.158107] name failslab, interval 1, probability 0, space 0, times 0 [ 156.176344] CPU: 1 PID: 10157 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 156.185130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.195046] Call Trace: [ 156.198444] dump_stack+0x123/0x171 [ 156.202311] should_fail.cold.4+0x5/0xa [ 156.206779] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 156.211880] ? lock_downgrade+0x860/0x860 [ 156.216308] ? ___might_sleep+0x16b/0x270 [ 156.221130] __should_failslab+0xba/0xf0 [ 156.225536] should_failslab+0x9/0x20 [ 156.229717] kmem_cache_alloc_trace+0x2cb/0x740 [ 156.234658] ? qfq_change_class+0xa93/0x14e0 [ 156.239721] ? qfq_change_class+0xa93/0x14e0 [ 156.244409] ? __local_bh_enable_ip+0x160/0x260 [ 156.249092] qfq_change_class+0xad9/0x14e0 [ 156.253508] ? qfq_delete_class+0x2d0/0x2d0 [ 156.257909] ? nla_parse+0x197/0x280 [ 156.261903] tc_ctl_tclass+0x3e9/0xba0 [ 156.265814] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 156.271163] ? find_held_lock+0x36/0x1d0 [ 156.275287] rtnetlink_rcv_msg+0x34f/0x8f0 [ 156.280024] ? rtnetlink_put_metrics+0x490/0x490 [ 156.285425] ? find_held_lock+0x36/0x1d0 [ 156.289665] netlink_rcv_skb+0x13e/0x3d0 [ 156.294289] ? lock_downgrade+0x860/0x860 [ 156.298642] ? rtnetlink_put_metrics+0x490/0x490 [ 156.304120] ? netlink_ack+0xa70/0xa70 [ 156.308351] ? netlink_deliver_tap+0x182/0xb00 [ 156.314056] rtnetlink_rcv+0x10/0x20 [ 156.318336] netlink_unicast+0x443/0x650 [ 156.322938] ? netlink_attachskb+0x6c0/0x6c0 [ 156.327810] ? _copy_from_iter_full+0x182/0x720 [ 156.333003] ? __check_object_size+0x1ef/0x310 [ 156.337835] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 156.344374] netlink_sendmsg+0x764/0xc60 [ 156.348434] ? netlink_unicast+0x650/0x650 [ 156.352928] ? apparmor_socket_sendmsg+0x1b/0x20 [ 156.358354] ? netlink_unicast+0x650/0x650 [ 156.363340] sock_sendmsg+0xb5/0xf0 [ 156.367226] ___sys_sendmsg+0x647/0x950 [ 156.371373] ? find_held_lock+0x36/0x1d0 [ 156.375735] ? copy_msghdr_from_user+0x430/0x430 [ 156.381301] ? __fget+0x278/0x400 [ 156.384988] ? kasan_check_read+0x11/0x20 [ 156.389322] ? __fget+0x295/0x400 [ 156.392786] ? expand_files.part.8+0x700/0x700 [ 156.398329] ? __f_unlock_pos+0xd/0x10 [ 156.402322] ? __fget_light+0x174/0x1e0 [ 156.407070] ? __fdget+0xe/0x10 [ 156.410563] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 156.415951] __sys_sendmsg+0xd9/0x180 [ 156.419811] ? __ia32_sys_shutdown+0x70/0x70 [ 156.424484] ? __sb_end_write+0xa4/0xd0 [ 156.428514] ? kasan_check_write+0x14/0x20 [ 156.433306] ? fput+0x18/0x120 [ 156.436891] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.442764] __x64_sys_sendmsg+0x73/0xb0 [ 156.447211] do_syscall_64+0xd0/0x4e0 [ 156.451111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.456579] RIP: 0033:0x463d89 [ 156.459906] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 156.480639] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.488589] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 156.498693] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 156.507218] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 156.514771] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 156.522307] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 156.542280] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 156.566728] FAULT_INJECTION: forcing a failure. [ 156.566728] name failslab, interval 1, probability 0, space 0, times 0 [ 156.581544] CPU: 0 PID: 10163 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 156.589814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.599347] Call Trace: [ 156.602265] dump_stack+0x123/0x171 [ 156.606007] should_fail.cold.4+0x5/0xa [ 156.610314] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 156.615876] ? lock_downgrade+0x860/0x860 [ 156.620129] ? ___might_sleep+0x16b/0x270 [ 156.624745] __should_failslab+0xba/0xf0 [ 156.629475] should_failslab+0x9/0x20 [ 156.633443] kmem_cache_alloc_trace+0x2cb/0x740 [ 156.638338] ? qfq_change_class+0xa93/0x14e0 [ 156.643264] ? qfq_change_class+0xa93/0x14e0 [ 156.647989] ? __local_bh_enable_ip+0x160/0x260 [ 156.652980] qfq_change_class+0xad9/0x14e0 [ 156.657571] ? qfq_delete_class+0x2d0/0x2d0 [ 156.662435] ? nla_parse+0x197/0x280 [ 156.666423] tc_ctl_tclass+0x3e9/0xba0 [ 156.670629] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 156.676477] ? find_held_lock+0x36/0x1d0 [ 156.680919] rtnetlink_rcv_msg+0x34f/0x8f0 [ 156.687048] ? rtnetlink_put_metrics+0x490/0x490 [ 156.694076] ? find_held_lock+0x36/0x1d0 [ 156.698624] netlink_rcv_skb+0x13e/0x3d0 [ 156.704928] ? lock_downgrade+0x860/0x860 [ 156.710809] ? rtnetlink_put_metrics+0x490/0x490 [ 156.718372] ? netlink_ack+0xa70/0xa70 [ 156.722771] ? netlink_deliver_tap+0x182/0xb00 [ 156.728652] rtnetlink_rcv+0x10/0x20 [ 156.732744] netlink_unicast+0x443/0x650 [ 156.736832] ? netlink_attachskb+0x6c0/0x6c0 [ 156.741329] ? _copy_from_iter_full+0x182/0x720 [ 156.746285] ? __check_object_size+0x1ef/0x310 [ 156.751374] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 156.756919] netlink_sendmsg+0x764/0xc60 [ 156.761059] ? netlink_unicast+0x650/0x650 [ 156.765579] ? apparmor_socket_sendmsg+0x1b/0x20 [ 156.770582] ? netlink_unicast+0x650/0x650 [ 156.775020] sock_sendmsg+0xb5/0xf0 [ 156.778824] ___sys_sendmsg+0x647/0x950 [ 156.783066] ? find_held_lock+0x36/0x1d0 [ 156.787150] ? copy_msghdr_from_user+0x430/0x430 [ 156.792170] ? __fget+0x278/0x400 [ 156.795701] ? kasan_check_read+0x11/0x20 [ 156.800007] ? __fget+0x295/0x400 [ 156.803630] ? expand_files.part.8+0x700/0x700 [ 156.808583] ? __f_unlock_pos+0xd/0x10 [ 156.812566] ? __fget_light+0x174/0x1e0 [ 156.816746] ? __fdget+0xe/0x10 [ 156.820366] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 156.825768] __sys_sendmsg+0xd9/0x180 [ 156.831563] ? __ia32_sys_shutdown+0x70/0x70 [ 156.836104] ? __sb_end_write+0xa4/0xd0 [ 156.840663] ? kasan_check_write+0x14/0x20 [ 156.844918] ? fput+0x18/0x120 [ 156.848106] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.853543] __x64_sys_sendmsg+0x73/0xb0 [ 156.857725] do_syscall_64+0xd0/0x4e0 [ 156.861543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.866932] RIP: 0033:0x463d89 [ 156.870116] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 156.889098] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.897274] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 156.904622] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 156.912235] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 156.919672] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 156.927199] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 156.938103] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 156.967265] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 156.988010] FAULT_INJECTION: forcing a failure. [ 156.988010] name failslab, interval 1, probability 0, space 0, times 0 [ 157.000934] CPU: 1 PID: 10182 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 157.009298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.020099] Call Trace: [ 157.023117] dump_stack+0x123/0x171 [ 157.027031] should_fail.cold.4+0x5/0xa [ 157.031228] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 157.036452] ? lock_downgrade+0x860/0x860 [ 157.041008] ? ___might_sleep+0x16b/0x270 [ 157.045712] __should_failslab+0xba/0xf0 [ 157.050036] should_failslab+0x9/0x20 [ 157.054038] kmem_cache_alloc_trace+0x2cb/0x740 [ 157.058988] ? qfq_change_class+0xa93/0x14e0 [ 157.063567] ? qfq_change_class+0xa93/0x14e0 [ 157.068349] ? __local_bh_enable_ip+0x160/0x260 [ 157.073299] qfq_change_class+0xad9/0x14e0 [ 157.078003] ? qfq_delete_class+0x2d0/0x2d0 [ 157.082423] ? nla_parse+0x197/0x280 [ 157.086319] tc_ctl_tclass+0x3e9/0xba0 [ 157.090502] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 157.095976] ? find_held_lock+0x36/0x1d0 [ 157.100133] rtnetlink_rcv_msg+0x34f/0x8f0 [ 157.104473] ? rtnetlink_put_metrics+0x490/0x490 [ 157.109305] ? find_held_lock+0x36/0x1d0 [ 157.113466] netlink_rcv_skb+0x13e/0x3d0 [ 157.117698] ? lock_downgrade+0x860/0x860 [ 157.122240] ? rtnetlink_put_metrics+0x490/0x490 [ 157.126978] ? netlink_ack+0xa70/0xa70 [ 157.130851] ? netlink_deliver_tap+0x182/0xb00 [ 157.135723] rtnetlink_rcv+0x10/0x20 [ 157.139606] netlink_unicast+0x443/0x650 [ 157.143778] ? netlink_attachskb+0x6c0/0x6c0 [ 157.148732] ? _copy_from_iter_full+0x182/0x720 [ 157.153457] ? __check_object_size+0x1ef/0x310 [ 157.158160] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 157.164182] netlink_sendmsg+0x764/0xc60 [ 157.168245] ? netlink_unicast+0x650/0x650 [ 157.172742] ? apparmor_socket_sendmsg+0x1b/0x20 [ 157.177614] ? netlink_unicast+0x650/0x650 [ 157.182079] sock_sendmsg+0xb5/0xf0 [ 157.186064] ___sys_sendmsg+0x647/0x950 [ 157.190519] ? find_held_lock+0x36/0x1d0 [ 157.194968] ? copy_msghdr_from_user+0x430/0x430 [ 157.200215] ? __fget+0x278/0x400 [ 157.203990] ? kasan_check_read+0x11/0x20 [ 157.208584] ? __fget+0x295/0x400 [ 157.212200] ? expand_files.part.8+0x700/0x700 [ 157.216916] ? __f_unlock_pos+0xd/0x10 [ 157.220975] ? __fget_light+0x174/0x1e0 [ 157.225029] ? __fdget+0xe/0x10 [ 157.228431] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 157.233500] __sys_sendmsg+0xd9/0x180 [ 157.237311] ? __ia32_sys_shutdown+0x70/0x70 [ 157.242025] ? __sb_end_write+0xa4/0xd0 [ 157.246329] ? kasan_check_write+0x14/0x20 [ 157.250822] ? fput+0x18/0x120 [ 157.254134] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.259705] __x64_sys_sendmsg+0x73/0xb0 [ 157.263940] do_syscall_64+0xd0/0x4e0 [ 157.268489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.273887] RIP: 0033:0x463d89 [ 157.277467] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 157.297967] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.305665] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 157.313008] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 157.320925] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 157.328420] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 157.335887] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 157.348710] FAULT_INJECTION: forcing a failure. [ 157.348710] name failslab, interval 1, probability 0, space 0, times 0 [ 157.361750] CPU: 1 PID: 10183 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 157.369881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.379570] Call Trace: [ 157.382473] dump_stack+0x123/0x171 [ 157.386743] should_fail.cold.4+0x5/0xa [ 157.390912] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 157.396711] ? lock_downgrade+0x860/0x860 [ 157.400935] ? ___might_sleep+0x16b/0x270 [ 157.405170] __should_failslab+0xba/0xf0 [ 157.409429] should_failslab+0x9/0x20 [ 157.413950] kmem_cache_alloc_trace+0x2cb/0x740 [ 157.418827] ? qfq_change_class+0xa93/0x14e0 [ 157.423235] ? qfq_change_class+0xa93/0x14e0 [ 157.428084] ? __local_bh_enable_ip+0x160/0x260 [ 157.433232] qfq_change_class+0xad9/0x14e0 [ 157.438292] ? qfq_delete_class+0x2d0/0x2d0 [ 157.443096] ? nla_parse+0x197/0x280 [ 157.447237] tc_ctl_tclass+0x3e9/0xba0 [ 157.451519] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 157.457261] ? find_held_lock+0x36/0x1d0 [ 157.461634] rtnetlink_rcv_msg+0x34f/0x8f0 [ 157.465868] ? rtnetlink_put_metrics+0x490/0x490 [ 157.470620] ? find_held_lock+0x36/0x1d0 [ 157.474778] netlink_rcv_skb+0x13e/0x3d0 [ 157.478860] ? lock_downgrade+0x860/0x860 [ 157.483181] ? rtnetlink_put_metrics+0x490/0x490 [ 157.488146] ? netlink_ack+0xa70/0xa70 [ 157.492363] ? netlink_deliver_tap+0x182/0xb00 [ 157.497174] rtnetlink_rcv+0x10/0x20 [ 157.500891] netlink_unicast+0x443/0x650 [ 157.505164] ? netlink_attachskb+0x6c0/0x6c0 [ 157.509660] ? _copy_from_iter_full+0x182/0x720 [ 157.514408] ? __check_object_size+0x1ef/0x310 [ 157.519453] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 157.525864] netlink_sendmsg+0x764/0xc60 [ 157.530140] ? netlink_unicast+0x650/0x650 [ 157.534561] ? apparmor_socket_sendmsg+0x1b/0x20 [ 157.539826] ? netlink_unicast+0x650/0x650 [ 157.544182] sock_sendmsg+0xb5/0xf0 [ 157.547995] ___sys_sendmsg+0x647/0x950 [ 157.552383] ? find_held_lock+0x36/0x1d0 [ 157.556776] ? copy_msghdr_from_user+0x430/0x430 [ 157.561980] ? __fget+0x278/0x400 [ 157.565711] ? kasan_check_read+0x11/0x20 [ 157.569857] ? __fget+0x295/0x400 [ 157.573412] ? expand_files.part.8+0x700/0x700 [ 157.578179] ? __f_unlock_pos+0xd/0x10 [ 157.582570] ? __fget_light+0x174/0x1e0 [ 157.586733] ? __fdget+0xe/0x10 [ 157.590394] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 157.595316] __sys_sendmsg+0xd9/0x180 [ 157.599108] ? __ia32_sys_shutdown+0x70/0x70 [ 157.603729] ? __sb_end_write+0xa4/0xd0 [ 157.607972] ? kasan_check_write+0x14/0x20 [ 157.612406] ? fput+0x18/0x120 [ 157.615771] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.621493] __x64_sys_sendmsg+0x73/0xb0 [ 157.625547] do_syscall_64+0xd0/0x4e0 [ 157.629534] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.634901] RIP: 0033:0x463d89 [ 157.638295] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 157.658763] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.666810] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 157.674471] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 157.682178] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 157.689709] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 157.697359] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 157.722654] FAULT_INJECTION: forcing a failure. [ 157.722654] name failslab, interval 1, probability 0, space 0, times 0 [ 157.745579] CPU: 1 PID: 10193 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 157.753667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.763209] Call Trace: [ 157.765804] dump_stack+0x123/0x171 [ 157.770219] should_fail.cold.4+0x5/0xa [ 157.774490] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 157.779596] ? lock_downgrade+0x860/0x860 [ 157.783861] ? ___might_sleep+0x16b/0x270 [ 157.788020] __should_failslab+0xba/0xf0 [ 157.792095] should_failslab+0x9/0x20 [ 157.796271] kmem_cache_alloc_trace+0x2cb/0x740 [ 157.801053] ? qfq_change_class+0xa93/0x14e0 [ 157.805472] ? qfq_change_class+0xa93/0x14e0 [ 157.810132] ? __local_bh_enable_ip+0x160/0x260 [ 157.814904] qfq_change_class+0xad9/0x14e0 [ 157.819128] ? qfq_delete_class+0x2d0/0x2d0 [ 157.823437] ? nla_parse+0x197/0x280 [ 157.827140] tc_ctl_tclass+0x3e9/0xba0 [ 157.831124] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 157.836348] ? find_held_lock+0x36/0x1d0 [ 157.840773] rtnetlink_rcv_msg+0x34f/0x8f0 [ 157.845178] ? rtnetlink_put_metrics+0x490/0x490 [ 157.849927] ? find_held_lock+0x36/0x1d0 [ 157.854215] netlink_rcv_skb+0x13e/0x3d0 [ 157.858269] ? lock_downgrade+0x860/0x860 [ 157.862416] ? rtnetlink_put_metrics+0x490/0x490 [ 157.867170] ? netlink_ack+0xa70/0xa70 [ 157.871048] ? netlink_deliver_tap+0x182/0xb00 [ 157.875854] rtnetlink_rcv+0x10/0x20 [ 157.879594] netlink_unicast+0x443/0x650 [ 157.883661] ? netlink_attachskb+0x6c0/0x6c0 [ 157.888095] ? _copy_from_iter_full+0x182/0x720 [ 157.892761] ? __check_object_size+0x1ef/0x310 [ 157.897762] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 157.903672] netlink_sendmsg+0x764/0xc60 [ 157.907873] ? netlink_unicast+0x650/0x650 [ 157.912098] ? apparmor_socket_sendmsg+0x1b/0x20 [ 157.916954] ? netlink_unicast+0x650/0x650 [ 157.921438] sock_sendmsg+0xb5/0xf0 [ 157.925406] ___sys_sendmsg+0x647/0x950 [ 157.929566] ? find_held_lock+0x36/0x1d0 [ 157.934058] ? copy_msghdr_from_user+0x430/0x430 [ 157.938920] ? __fget+0x278/0x400 [ 157.942552] ? kasan_check_read+0x11/0x20 [ 157.946801] ? __fget+0x295/0x400 [ 157.950606] ? expand_files.part.8+0x700/0x700 [ 157.955265] ? __f_unlock_pos+0xd/0x10 [ 157.959173] ? __fget_light+0x174/0x1e0 [ 157.963141] ? __fdget+0xe/0x10 [ 157.966500] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 157.971342] __sys_sendmsg+0xd9/0x180 [ 157.975137] ? __ia32_sys_shutdown+0x70/0x70 [ 157.979721] ? __sb_end_write+0xa4/0xd0 [ 157.983780] ? kasan_check_write+0x14/0x20 [ 157.988263] ? fput+0x18/0x120 [ 157.991749] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.997131] __x64_sys_sendmsg+0x73/0xb0 [ 158.001377] do_syscall_64+0xd0/0x4e0 [ 158.005518] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.010785] RIP: 0033:0x463d89 [ 158.013966] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 158.033604] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.041305] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 158.048696] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 158.056215] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 158.063730] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 158.071087] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 158.090080] FAULT_INJECTION: forcing a failure. [ 158.090080] name failslab, interval 1, probability 0, space 0, times 0 [ 158.118661] CPU: 1 PID: 10203 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 158.126711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.136554] Call Trace: [ 158.139162] dump_stack+0x123/0x171 [ 158.142787] should_fail.cold.4+0x5/0xa [ 158.146956] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 158.152138] ? lock_downgrade+0x860/0x860 [ 158.156352] ? ___might_sleep+0x16b/0x270 [ 158.160497] __should_failslab+0xba/0xf0 [ 158.165168] should_failslab+0x9/0x20 [ 158.169052] kmem_cache_alloc_trace+0x2cb/0x740 [ 158.173905] ? qfq_change_class+0xa93/0x14e0 [ 158.178704] ? qfq_change_class+0xa93/0x14e0 [ 158.183580] ? __local_bh_enable_ip+0x160/0x260 [ 158.188246] qfq_change_class+0xad9/0x14e0 [ 158.192473] ? qfq_delete_class+0x2d0/0x2d0 [ 158.197279] ? nla_parse+0x197/0x280 [ 158.201219] tc_ctl_tclass+0x3e9/0xba0 [ 158.205109] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 158.210723] ? find_held_lock+0x36/0x1d0 [ 158.215051] rtnetlink_rcv_msg+0x34f/0x8f0 [ 158.219365] ? rtnetlink_put_metrics+0x490/0x490 [ 158.224389] ? find_held_lock+0x36/0x1d0 [ 158.228443] netlink_rcv_skb+0x13e/0x3d0 [ 158.232986] ? lock_downgrade+0x860/0x860 [ 158.237426] ? rtnetlink_put_metrics+0x490/0x490 [ 158.242511] ? netlink_ack+0xa70/0xa70 [ 158.246472] ? netlink_deliver_tap+0x182/0xb00 [ 158.251384] rtnetlink_rcv+0x10/0x20 [ 158.255108] netlink_unicast+0x443/0x650 [ 158.259526] ? netlink_attachskb+0x6c0/0x6c0 [ 158.264099] ? _copy_from_iter_full+0x182/0x720 [ 158.268849] ? __check_object_size+0x1ef/0x310 [ 158.273687] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 158.279227] netlink_sendmsg+0x764/0xc60 [ 158.283375] ? netlink_unicast+0x650/0x650 [ 158.287647] ? apparmor_socket_sendmsg+0x1b/0x20 [ 158.292425] ? netlink_unicast+0x650/0x650 [ 158.296785] sock_sendmsg+0xb5/0xf0 [ 158.300694] ___sys_sendmsg+0x647/0x950 [ 158.304659] ? find_held_lock+0x36/0x1d0 [ 158.308715] ? copy_msghdr_from_user+0x430/0x430 [ 158.313770] ? __fget+0x278/0x400 [ 158.317216] ? kasan_check_read+0x11/0x20 [ 158.321449] ? __fget+0x295/0x400 [ 158.325025] ? expand_files.part.8+0x700/0x700 [ 158.329648] ? __f_unlock_pos+0xd/0x10 [ 158.333660] ? __fget_light+0x174/0x1e0 [ 158.337740] ? __fdget+0xe/0x10 [ 158.341012] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 158.346042] __sys_sendmsg+0xd9/0x180 [ 158.349835] ? __ia32_sys_shutdown+0x70/0x70 [ 158.355011] ? __sb_end_write+0xa4/0xd0 [ 158.359646] ? kasan_check_write+0x14/0x20 [ 158.364051] ? fput+0x18/0x120 [ 158.367980] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.374066] __x64_sys_sendmsg+0x73/0xb0 [ 158.378211] do_syscall_64+0xd0/0x4e0 [ 158.382382] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.388242] RIP: 0033:0x463d89 [ 158.392006] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 158.412625] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.420338] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 158.427925] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 158.435591] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 158.443176] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 158.450663] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 158.484002] FAULT_INJECTION: forcing a failure. [ 158.484002] name failslab, interval 1, probability 0, space 0, times 0 [ 158.500420] CPU: 1 PID: 10223 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 158.508335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.518324] Call Trace: [ 158.520909] dump_stack+0x123/0x171 [ 158.524787] should_fail.cold.4+0x5/0xa [ 158.528748] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 158.534124] ? lock_downgrade+0x860/0x860 [ 158.538357] ? ___might_sleep+0x16b/0x270 [ 158.542712] __should_failslab+0xba/0xf0 [ 158.546877] should_failslab+0x9/0x20 [ 158.550671] kmem_cache_alloc_trace+0x2cb/0x740 [ 158.557058] ? qfq_change_class+0xa93/0x14e0 [ 158.561717] ? qfq_change_class+0xa93/0x14e0 [ 158.566131] ? __local_bh_enable_ip+0x160/0x260 [ 158.570878] qfq_change_class+0xad9/0x14e0 [ 158.575266] ? qfq_delete_class+0x2d0/0x2d0 [ 158.579784] ? nla_parse+0x197/0x280 [ 158.583668] tc_ctl_tclass+0x3e9/0xba0 [ 158.587956] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 158.593272] ? find_held_lock+0x36/0x1d0 [ 158.597417] rtnetlink_rcv_msg+0x34f/0x8f0 [ 158.601649] ? rtnetlink_put_metrics+0x490/0x490 [ 158.606414] ? find_held_lock+0x36/0x1d0 [ 158.610576] netlink_rcv_skb+0x13e/0x3d0 [ 158.614861] ? lock_downgrade+0x860/0x860 [ 158.619004] ? rtnetlink_put_metrics+0x490/0x490 [ 158.623923] ? netlink_ack+0xa70/0xa70 [ 158.628409] ? netlink_deliver_tap+0x182/0xb00 [ 158.633432] rtnetlink_rcv+0x10/0x20 [ 158.637242] netlink_unicast+0x443/0x650 [ 158.641417] ? netlink_attachskb+0x6c0/0x6c0 [ 158.646713] ? _copy_from_iter_full+0x182/0x720 [ 158.651384] ? __check_object_size+0x1ef/0x310 [ 158.656053] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 158.661806] netlink_sendmsg+0x764/0xc60 [ 158.665969] ? netlink_unicast+0x650/0x650 [ 158.670427] ? apparmor_socket_sendmsg+0x1b/0x20 [ 158.675711] ? netlink_unicast+0x650/0x650 [ 158.679934] sock_sendmsg+0xb5/0xf0 [ 158.683863] ___sys_sendmsg+0x647/0x950 [ 158.688005] ? find_held_lock+0x36/0x1d0 [ 158.692063] ? copy_msghdr_from_user+0x430/0x430 [ 158.697184] ? __fget+0x278/0x400 [ 158.700696] ? kasan_check_read+0x11/0x20 [ 158.704832] ? __fget+0x295/0x400 [ 158.708374] ? expand_files.part.8+0x700/0x700 [ 158.713031] ? __f_unlock_pos+0xd/0x10 [ 158.717103] ? __fget_light+0x174/0x1e0 [ 158.721196] ? __fdget+0xe/0x10 [ 158.724560] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 158.729449] __sys_sendmsg+0xd9/0x180 [ 158.733699] ? __ia32_sys_shutdown+0x70/0x70 [ 158.738096] ? __sb_end_write+0xa4/0xd0 [ 158.742094] ? kasan_check_write+0x14/0x20 [ 158.746399] ? fput+0x18/0x120 [ 158.749681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.755058] __x64_sys_sendmsg+0x73/0xb0 [ 158.759423] do_syscall_64+0xd0/0x4e0 [ 158.763317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.768849] RIP: 0033:0x463d89 2021/04/24 20:08:13 executed programs: 309 [ 158.772037] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 158.790935] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.798832] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 158.806954] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 158.814663] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 158.822102] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 158.829362] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 158.844124] FAULT_INJECTION: forcing a failure. [ 158.844124] name failslab, interval 1, probability 0, space 0, times 0 [ 158.871642] CPU: 1 PID: 10227 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 158.879554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.888996] Call Trace: [ 158.891582] dump_stack+0x123/0x171 [ 158.895221] should_fail.cold.4+0x5/0xa [ 158.899184] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 158.904359] ? lock_downgrade+0x860/0x860 [ 158.908526] ? ___might_sleep+0x16b/0x270 [ 158.912662] __should_failslab+0xba/0xf0 [ 158.916897] should_failslab+0x9/0x20 [ 158.920692] kmem_cache_alloc_trace+0x2cb/0x740 [ 158.925341] ? qfq_change_class+0xa93/0x14e0 [ 158.929735] ? qfq_change_class+0xa93/0x14e0 [ 158.934235] ? __local_bh_enable_ip+0x160/0x260 [ 158.939149] qfq_change_class+0xad9/0x14e0 [ 158.943372] ? qfq_delete_class+0x2d0/0x2d0 [ 158.947977] ? nla_parse+0x197/0x280 [ 158.951786] tc_ctl_tclass+0x3e9/0xba0 [ 158.955754] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 158.960947] ? find_held_lock+0x36/0x1d0 [ 158.965230] rtnetlink_rcv_msg+0x34f/0x8f0 [ 158.969470] ? rtnetlink_put_metrics+0x490/0x490 [ 158.974617] ? find_held_lock+0x36/0x1d0 [ 158.978863] netlink_rcv_skb+0x13e/0x3d0 [ 158.983010] ? lock_downgrade+0x860/0x860 [ 158.987278] ? rtnetlink_put_metrics+0x490/0x490 [ 158.992215] ? netlink_ack+0xa70/0xa70 [ 158.996356] ? netlink_deliver_tap+0x182/0xb00 [ 159.001753] rtnetlink_rcv+0x10/0x20 [ 159.005649] netlink_unicast+0x443/0x650 [ 159.010034] ? netlink_attachskb+0x6c0/0x6c0 [ 159.015036] ? _copy_from_iter_full+0x182/0x720 [ 159.019833] ? __check_object_size+0x1ef/0x310 [ 159.024408] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 159.030113] netlink_sendmsg+0x764/0xc60 [ 159.034415] ? netlink_unicast+0x650/0x650 [ 159.038995] ? apparmor_socket_sendmsg+0x1b/0x20 [ 159.043740] ? netlink_unicast+0x650/0x650 [ 159.047981] sock_sendmsg+0xb5/0xf0 [ 159.051806] ___sys_sendmsg+0x647/0x950 [ 159.055771] ? find_held_lock+0x36/0x1d0 [ 159.059820] ? copy_msghdr_from_user+0x430/0x430 [ 159.065137] ? __fget+0x278/0x400 [ 159.068671] ? kasan_check_read+0x11/0x20 [ 159.072897] ? __fget+0x295/0x400 [ 159.076483] ? expand_files.part.8+0x700/0x700 [ 159.081250] ? __f_unlock_pos+0xd/0x10 [ 159.085152] ? __fget_light+0x174/0x1e0 [ 159.089238] ? __fdget+0xe/0x10 [ 159.092660] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 159.097502] __sys_sendmsg+0xd9/0x180 [ 159.101422] ? __ia32_sys_shutdown+0x70/0x70 [ 159.105837] ? __sb_end_write+0xa4/0xd0 [ 159.109806] ? kasan_check_write+0x14/0x20 [ 159.114130] ? fput+0x18/0x120 [ 159.117426] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.122874] __x64_sys_sendmsg+0x73/0xb0 [ 159.127153] do_syscall_64+0xd0/0x4e0 [ 159.131287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.136467] RIP: 0033:0x463d89 [ 159.139997] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 159.160376] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.169219] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 159.177364] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 159.185383] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 159.192924] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 159.200631] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 159.210028] nla_parse: 4 callbacks suppressed [ 159.210033] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 159.243461] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 159.259823] FAULT_INJECTION: forcing a failure. [ 159.259823] name failslab, interval 1, probability 0, space 0, times 0 [ 159.269621] FAULT_INJECTION: forcing a failure. [ 159.269621] name failslab, interval 1, probability 0, space 0, times 0 [ 159.272925] CPU: 0 PID: 10241 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 159.292010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.301814] Call Trace: [ 159.304401] dump_stack+0x123/0x171 [ 159.308239] should_fail.cold.4+0x5/0xa [ 159.312380] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 159.317583] __should_failslab+0xba/0xf0 [ 159.321716] should_failslab+0x9/0x20 [ 159.325716] kmem_cache_alloc+0x47/0x720 [ 159.329884] ? lock_acquire+0x173/0x3d0 [ 159.333847] skb_clone+0x115/0x340 [ 159.337372] netlink_deliver_tap+0x7d7/0xb00 [ 159.341882] __netlink_sendskb+0x62/0xc0 [ 159.345932] netlink_unicast+0x4ea/0x650 [ 159.350206] ? netlink_attachskb+0x6c0/0x6c0 [ 159.354614] netlink_ack+0x519/0xa70 [ 159.358316] ? netlink_sendmsg+0xc60/0xc60 [ 159.362812] ? find_held_lock+0x36/0x1d0 [ 159.366872] netlink_rcv_skb+0x2a8/0x3d0 [ 159.371091] ? lock_downgrade+0x860/0x860 [ 159.375230] ? rtnetlink_put_metrics+0x490/0x490 [ 159.380133] ? netlink_ack+0xa70/0xa70 [ 159.384123] ? netlink_deliver_tap+0x182/0xb00 [ 159.388703] rtnetlink_rcv+0x10/0x20 [ 159.392406] netlink_unicast+0x443/0x650 [ 159.396553] ? netlink_attachskb+0x6c0/0x6c0 [ 159.400957] ? _copy_from_iter_full+0x182/0x720 [ 159.405616] ? __check_object_size+0x1ef/0x310 [ 159.410834] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 159.416626] netlink_sendmsg+0x764/0xc60 [ 159.420687] ? netlink_unicast+0x650/0x650 [ 159.425177] ? apparmor_socket_sendmsg+0x1b/0x20 [ 159.430373] ? netlink_unicast+0x650/0x650 [ 159.434771] sock_sendmsg+0xb5/0xf0 [ 159.440170] ___sys_sendmsg+0x647/0x950 [ 159.444955] ? find_held_lock+0x36/0x1d0 [ 159.449553] ? copy_msghdr_from_user+0x430/0x430 [ 159.454500] ? __fget+0x278/0x400 [ 159.458048] ? kasan_check_read+0x11/0x20 [ 159.462366] ? __fget+0x295/0x400 [ 159.465818] ? expand_files.part.8+0x700/0x700 [ 159.470774] ? __f_unlock_pos+0xd/0x10 [ 159.475097] ? __fget_light+0x174/0x1e0 [ 159.479359] ? __fdget+0xe/0x10 [ 159.482810] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 159.487732] __sys_sendmsg+0xd9/0x180 [ 159.491606] ? __ia32_sys_shutdown+0x70/0x70 [ 159.496093] ? __sb_end_write+0xa4/0xd0 [ 159.500153] ? kasan_check_write+0x14/0x20 [ 159.504461] ? fput+0x18/0x120 [ 159.508002] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.513359] __x64_sys_sendmsg+0x73/0xb0 [ 159.517681] do_syscall_64+0xd0/0x4e0 [ 159.521640] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.526920] RIP: 0033:0x463d89 [ 159.530353] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 159.550296] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.558275] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 159.565726] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 159.573349] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 159.580724] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 159.588080] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 159.595459] CPU: 1 PID: 10243 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 159.603475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.613642] Call Trace: [ 159.616440] dump_stack+0x123/0x171 [ 159.620650] should_fail.cold.4+0x5/0xa [ 159.625053] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 159.630237] ? lock_downgrade+0x860/0x860 [ 159.634495] ? ___might_sleep+0x16b/0x270 [ 159.639215] __should_failslab+0xba/0xf0 [ 159.643703] should_failslab+0x9/0x20 [ 159.649270] kmem_cache_alloc_trace+0x2cb/0x740 [ 159.654348] ? qfq_change_class+0xa93/0x14e0 [ 159.659357] ? qfq_change_class+0xa93/0x14e0 [ 159.663879] ? __local_bh_enable_ip+0x160/0x260 [ 159.668944] qfq_change_class+0xad9/0x14e0 [ 159.673518] ? qfq_delete_class+0x2d0/0x2d0 [ 159.678091] ? nla_parse+0x197/0x280 [ 159.681990] tc_ctl_tclass+0x3e9/0xba0 [ 159.686477] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 159.691676] ? find_held_lock+0x36/0x1d0 [ 159.696332] rtnetlink_rcv_msg+0x34f/0x8f0 [ 159.700934] ? rtnetlink_put_metrics+0x490/0x490 [ 159.706007] ? find_held_lock+0x36/0x1d0 [ 159.710844] netlink_rcv_skb+0x13e/0x3d0 [ 159.715520] ? lock_downgrade+0x860/0x860 [ 159.719884] ? rtnetlink_put_metrics+0x490/0x490 [ 159.724723] ? netlink_ack+0xa70/0xa70 [ 159.728717] ? netlink_deliver_tap+0x182/0xb00 [ 159.733288] rtnetlink_rcv+0x10/0x20 [ 159.736990] netlink_unicast+0x443/0x650 [ 159.741231] ? netlink_attachskb+0x6c0/0x6c0 [ 159.746366] ? _copy_from_iter_full+0x182/0x720 [ 159.751780] ? __check_object_size+0x1ef/0x310 [ 159.757106] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 159.763457] netlink_sendmsg+0x764/0xc60 [ 159.768018] ? netlink_unicast+0x650/0x650 [ 159.772343] ? apparmor_socket_sendmsg+0x1b/0x20 [ 159.777597] ? netlink_unicast+0x650/0x650 [ 159.782234] sock_sendmsg+0xb5/0xf0 [ 159.785966] ___sys_sendmsg+0x647/0x950 [ 159.790021] ? find_held_lock+0x36/0x1d0 [ 159.794452] ? copy_msghdr_from_user+0x430/0x430 [ 159.799329] ? __fget+0x278/0x400 [ 159.803176] ? kasan_check_read+0x11/0x20 [ 159.807419] ? __fget+0x295/0x400 [ 159.811144] ? expand_files.part.8+0x700/0x700 [ 159.815828] ? __f_unlock_pos+0xd/0x10 [ 159.819883] ? __fget_light+0x174/0x1e0 [ 159.824040] ? __fdget+0xe/0x10 [ 159.827420] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 159.832598] __sys_sendmsg+0xd9/0x180 [ 159.837259] ? __ia32_sys_shutdown+0x70/0x70 [ 159.841749] ? __sb_end_write+0xa4/0xd0 [ 159.845860] ? kasan_check_write+0x14/0x20 [ 159.850536] ? fput+0x18/0x120 [ 159.854040] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.859945] __x64_sys_sendmsg+0x73/0xb0 [ 159.864510] do_syscall_64+0xd0/0x4e0 [ 159.868695] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.874635] RIP: 0033:0x463d89 [ 159.878698] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 159.900860] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.908987] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 159.916729] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 159.924520] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 159.932362] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 159.940169] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 159.955596] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 160.007019] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 160.026023] FAULT_INJECTION: forcing a failure. [ 160.026023] name failslab, interval 1, probability 0, space 0, times 0 [ 160.040403] CPU: 0 PID: 10266 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 160.048986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.058528] Call Trace: [ 160.061296] dump_stack+0x123/0x171 [ 160.064957] should_fail.cold.4+0x5/0xa [ 160.068966] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 160.074441] ? lock_downgrade+0x860/0x860 [ 160.078917] ? ___might_sleep+0x16b/0x270 [ 160.083087] __should_failslab+0xba/0xf0 [ 160.087256] should_failslab+0x9/0x20 [ 160.091229] kmem_cache_alloc_trace+0x2cb/0x740 [ 160.095999] ? qfq_change_class+0xa93/0x14e0 [ 160.100424] ? qfq_change_class+0xa93/0x14e0 [ 160.105228] ? __local_bh_enable_ip+0x160/0x260 [ 160.109892] qfq_change_class+0xad9/0x14e0 [ 160.114206] ? qfq_delete_class+0x2d0/0x2d0 [ 160.119011] ? nla_parse+0x197/0x280 [ 160.122715] tc_ctl_tclass+0x3e9/0xba0 [ 160.126746] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 160.132213] ? find_held_lock+0x36/0x1d0 [ 160.136648] rtnetlink_rcv_msg+0x34f/0x8f0 [ 160.140881] ? rtnetlink_put_metrics+0x490/0x490 [ 160.145746] ? find_held_lock+0x36/0x1d0 [ 160.149896] netlink_rcv_skb+0x13e/0x3d0 [ 160.154206] ? lock_downgrade+0x860/0x860 [ 160.158624] ? rtnetlink_put_metrics+0x490/0x490 [ 160.163636] ? netlink_ack+0xa70/0xa70 [ 160.167521] ? netlink_deliver_tap+0x182/0xb00 [ 160.172733] rtnetlink_rcv+0x10/0x20 [ 160.176793] netlink_unicast+0x443/0x650 [ 160.181023] ? netlink_attachskb+0x6c0/0x6c0 [ 160.185526] ? _copy_from_iter_full+0x182/0x720 [ 160.190280] ? __check_object_size+0x1ef/0x310 [ 160.195284] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 160.202240] netlink_sendmsg+0x764/0xc60 [ 160.206736] ? netlink_unicast+0x650/0x650 [ 160.211371] ? apparmor_socket_sendmsg+0x1b/0x20 [ 160.216710] ? netlink_unicast+0x650/0x650 [ 160.221069] sock_sendmsg+0xb5/0xf0 [ 160.224722] ___sys_sendmsg+0x647/0x950 [ 160.229121] ? find_held_lock+0x36/0x1d0 [ 160.233286] ? copy_msghdr_from_user+0x430/0x430 [ 160.239000] ? __fget+0x278/0x400 [ 160.242539] ? kasan_check_read+0x11/0x20 [ 160.246709] ? __fget+0x295/0x400 [ 160.250211] ? expand_files.part.8+0x700/0x700 [ 160.255752] ? __f_unlock_pos+0xd/0x10 [ 160.259986] ? __fget_light+0x174/0x1e0 [ 160.264312] ? __fdget+0xe/0x10 [ 160.267879] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 160.273006] __sys_sendmsg+0xd9/0x180 [ 160.277317] ? __ia32_sys_shutdown+0x70/0x70 [ 160.281940] ? __sb_end_write+0xa4/0xd0 [ 160.286067] ? kasan_check_write+0x14/0x20 [ 160.290385] ? fput+0x18/0x120 [ 160.293804] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.299362] __x64_sys_sendmsg+0x73/0xb0 [ 160.303697] do_syscall_64+0xd0/0x4e0 [ 160.308037] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.313244] RIP: 0033:0x463d89 [ 160.316666] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 160.337793] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.346281] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 160.353952] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 160.362578] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 160.370495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 160.378233] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 160.394282] FAULT_INJECTION: forcing a failure. [ 160.394282] name failslab, interval 1, probability 0, space 0, times 0 [ 160.420865] CPU: 0 PID: 10267 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 160.429158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.439236] Call Trace: [ 160.441956] dump_stack+0x123/0x171 [ 160.445677] should_fail.cold.4+0x5/0xa [ 160.449649] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 160.455007] ? lock_downgrade+0x860/0x860 [ 160.460238] ? ___might_sleep+0x16b/0x270 [ 160.464662] __should_failslab+0xba/0xf0 [ 160.468706] should_failslab+0x9/0x20 [ 160.472703] kmem_cache_alloc_trace+0x2cb/0x740 [ 160.477353] ? qfq_change_class+0xa93/0x14e0 [ 160.481738] ? qfq_change_class+0xa93/0x14e0 [ 160.486132] ? __local_bh_enable_ip+0x160/0x260 [ 160.490801] qfq_change_class+0xad9/0x14e0 [ 160.495192] ? qfq_delete_class+0x2d0/0x2d0 [ 160.499506] ? nla_parse+0x197/0x280 [ 160.503380] tc_ctl_tclass+0x3e9/0xba0 [ 160.507615] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 160.512806] ? find_held_lock+0x36/0x1d0 [ 160.517048] rtnetlink_rcv_msg+0x34f/0x8f0 [ 160.521281] ? rtnetlink_put_metrics+0x490/0x490 [ 160.526027] ? find_held_lock+0x36/0x1d0 [ 160.530094] netlink_rcv_skb+0x13e/0x3d0 [ 160.534492] ? lock_downgrade+0x860/0x860 [ 160.538710] ? rtnetlink_put_metrics+0x490/0x490 [ 160.543445] ? netlink_ack+0xa70/0xa70 [ 160.547438] ? netlink_deliver_tap+0x182/0xb00 [ 160.552010] rtnetlink_rcv+0x10/0x20 [ 160.555882] netlink_unicast+0x443/0x650 [ 160.559951] ? netlink_attachskb+0x6c0/0x6c0 [ 160.564573] ? _copy_from_iter_full+0x182/0x720 [ 160.569316] ? __check_object_size+0x1ef/0x310 [ 160.573899] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 160.579519] netlink_sendmsg+0x764/0xc60 [ 160.583657] ? netlink_unicast+0x650/0x650 [ 160.587965] ? apparmor_socket_sendmsg+0x1b/0x20 [ 160.592791] ? netlink_unicast+0x650/0x650 [ 160.597012] sock_sendmsg+0xb5/0xf0 [ 160.600625] ___sys_sendmsg+0x647/0x950 [ 160.604669] ? find_held_lock+0x36/0x1d0 [ 160.608794] ? copy_msghdr_from_user+0x430/0x430 [ 160.613624] ? __fget+0x278/0x400 [ 160.617152] ? kasan_check_read+0x11/0x20 [ 160.621287] ? __fget+0x295/0x400 [ 160.624939] ? expand_files.part.8+0x700/0x700 [ 160.629519] ? __f_unlock_pos+0xd/0x10 [ 160.633494] ? __fget_light+0x174/0x1e0 [ 160.637462] ? __fdget+0xe/0x10 [ 160.640721] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 160.645557] __sys_sendmsg+0xd9/0x180 [ 160.649335] ? __ia32_sys_shutdown+0x70/0x70 [ 160.653812] ? __sb_end_write+0xa4/0xd0 [ 160.657768] ? kasan_check_write+0x14/0x20 [ 160.661983] ? fput+0x18/0x120 [ 160.665161] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.670504] __x64_sys_sendmsg+0x73/0xb0 [ 160.674649] do_syscall_64+0xd0/0x4e0 [ 160.678558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.683822] RIP: 0033:0x463d89 [ 160.686994] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 160.706572] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.714454] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 160.721889] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 160.729671] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 160.737035] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 160.744378] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 160.761491] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 160.786264] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 160.808985] FAULT_INJECTION: forcing a failure. [ 160.808985] name failslab, interval 1, probability 0, space 0, times 0 [ 160.820858] CPU: 0 PID: 10285 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 160.828742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.838285] Call Trace: [ 160.840866] dump_stack+0x123/0x171 [ 160.844519] should_fail.cold.4+0x5/0xa [ 160.848587] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 160.854041] ? lock_downgrade+0x860/0x860 [ 160.858241] ? ___might_sleep+0x16b/0x270 [ 160.862401] __should_failslab+0xba/0xf0 [ 160.866679] should_failslab+0x9/0x20 [ 160.870774] kmem_cache_alloc_trace+0x2cb/0x740 [ 160.875520] ? qfq_change_class+0xa93/0x14e0 [ 160.879923] ? qfq_change_class+0xa93/0x14e0 [ 160.884402] ? __local_bh_enable_ip+0x160/0x260 [ 160.889385] qfq_change_class+0xad9/0x14e0 [ 160.893805] ? qfq_delete_class+0x2d0/0x2d0 [ 160.898384] ? nla_parse+0x197/0x280 [ 160.902218] tc_ctl_tclass+0x3e9/0xba0 [ 160.906279] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 160.911829] ? find_held_lock+0x36/0x1d0 [ 160.915897] rtnetlink_rcv_msg+0x34f/0x8f0 [ 160.920135] ? rtnetlink_put_metrics+0x490/0x490 [ 160.925080] ? find_held_lock+0x36/0x1d0 [ 160.929302] netlink_rcv_skb+0x13e/0x3d0 [ 160.933475] ? lock_downgrade+0x860/0x860 [ 160.937719] ? rtnetlink_put_metrics+0x490/0x490 [ 160.942817] ? netlink_ack+0xa70/0xa70 [ 160.946702] ? netlink_deliver_tap+0x182/0xb00 [ 160.951279] rtnetlink_rcv+0x10/0x20 [ 160.955068] netlink_unicast+0x443/0x650 [ 160.959430] ? netlink_attachskb+0x6c0/0x6c0 [ 160.964533] ? _copy_from_iter_full+0x182/0x720 [ 160.969578] ? __check_object_size+0x1ef/0x310 [ 160.974680] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 160.980400] netlink_sendmsg+0x764/0xc60 [ 160.984956] ? netlink_unicast+0x650/0x650 [ 160.989547] ? apparmor_socket_sendmsg+0x1b/0x20 [ 160.994419] ? netlink_unicast+0x650/0x650 [ 160.998790] sock_sendmsg+0xb5/0xf0 [ 161.002504] ___sys_sendmsg+0x647/0x950 [ 161.006617] ? find_held_lock+0x36/0x1d0 [ 161.010874] ? copy_msghdr_from_user+0x430/0x430 [ 161.015923] ? __fget+0x278/0x400 [ 161.019610] ? kasan_check_read+0x11/0x20 [ 161.023744] ? __fget+0x295/0x400 [ 161.027179] ? expand_files.part.8+0x700/0x700 [ 161.031834] ? __f_unlock_pos+0xd/0x10 [ 161.035823] ? __fget_light+0x174/0x1e0 [ 161.039990] ? __fdget+0xe/0x10 [ 161.043384] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 161.048317] __sys_sendmsg+0xd9/0x180 [ 161.052104] ? __ia32_sys_shutdown+0x70/0x70 [ 161.056520] ? __sb_end_write+0xa4/0xd0 [ 161.060594] ? kasan_check_write+0x14/0x20 [ 161.065369] ? fput+0x18/0x120 [ 161.068649] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.074424] __x64_sys_sendmsg+0x73/0xb0 [ 161.078492] do_syscall_64+0xd0/0x4e0 [ 161.082431] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.087604] RIP: 0033:0x463d89 [ 161.090773] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 161.110455] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.118340] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 161.125694] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 161.133151] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 161.140778] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 161.148426] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 161.165987] FAULT_INJECTION: forcing a failure. [ 161.165987] name failslab, interval 1, probability 0, space 0, times 0 [ 161.178838] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 161.186895] CPU: 1 PID: 10287 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 161.195660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.205322] Call Trace: [ 161.207920] dump_stack+0x123/0x171 [ 161.211658] should_fail.cold.4+0x5/0xa [ 161.212816] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 161.215849] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 161.215863] __should_failslab+0xba/0xf0 [ 161.215877] should_failslab+0x9/0x20 [ 161.215882] kmem_cache_alloc+0x47/0x720 [ 161.215891] ? lock_acquire+0x173/0x3d0 [ 161.246703] skb_clone+0x115/0x340 [ 161.248656] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 161.250247] netlink_deliver_tap+0x7d7/0xb00 [ 161.250261] __netlink_sendskb+0x62/0xc0 [ 161.250268] netlink_unicast+0x4ea/0x650 [ 161.250277] ? netlink_attachskb+0x6c0/0x6c0 [ 161.268599] FAULT_INJECTION: forcing a failure. [ 161.268599] name failslab, interval 1, probability 0, space 0, times 0 [ 161.268678] netlink_ack+0x519/0xa70 [ 161.292498] ? netlink_sendmsg+0xc60/0xc60 [ 161.296952] ? find_held_lock+0x36/0x1d0 [ 161.301117] netlink_rcv_skb+0x2a8/0x3d0 [ 161.305171] ? lock_downgrade+0x860/0x860 [ 161.309305] ? rtnetlink_put_metrics+0x490/0x490 [ 161.314132] ? netlink_ack+0xa70/0xa70 [ 161.318180] ? netlink_deliver_tap+0x182/0xb00 [ 161.322837] rtnetlink_rcv+0x10/0x20 [ 161.326571] netlink_unicast+0x443/0x650 [ 161.330618] ? netlink_attachskb+0x6c0/0x6c0 [ 161.335092] ? _copy_from_iter_full+0x182/0x720 [ 161.339847] ? __check_object_size+0x1ef/0x310 [ 161.344510] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 161.350129] netlink_sendmsg+0x764/0xc60 [ 161.354406] ? netlink_unicast+0x650/0x650 [ 161.359337] ? apparmor_socket_sendmsg+0x1b/0x20 [ 161.364183] ? netlink_unicast+0x650/0x650 [ 161.368664] sock_sendmsg+0xb5/0xf0 [ 161.372461] ___sys_sendmsg+0x647/0x950 [ 161.376886] ? find_held_lock+0x36/0x1d0 [ 161.380949] ? copy_msghdr_from_user+0x430/0x430 [ 161.386061] ? __fget+0x278/0x400 [ 161.389605] ? kasan_check_read+0x11/0x20 [ 161.393928] ? __fget+0x295/0x400 [ 161.397470] ? expand_files.part.8+0x700/0x700 [ 161.402334] ? __f_unlock_pos+0xd/0x10 [ 161.406227] ? __fget_light+0x174/0x1e0 [ 161.410291] ? __fdget+0xe/0x10 [ 161.413559] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 161.418476] __sys_sendmsg+0xd9/0x180 [ 161.422440] ? __ia32_sys_shutdown+0x70/0x70 [ 161.429084] ? __sb_end_write+0xa4/0xd0 [ 161.433391] ? kasan_check_write+0x14/0x20 [ 161.437609] ? fput+0x18/0x120 [ 161.440801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.446236] __x64_sys_sendmsg+0x73/0xb0 [ 161.450370] do_syscall_64+0xd0/0x4e0 [ 161.454601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.461524] RIP: 0033:0x463d89 [ 161.464981] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 161.484939] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.492879] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 161.500150] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 161.507406] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 161.514899] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 161.522167] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 161.529618] CPU: 0 PID: 10339 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 161.537600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.547042] Call Trace: [ 161.549723] dump_stack+0x123/0x171 [ 161.553357] should_fail.cold.4+0x5/0xa [ 161.557466] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 161.562671] ? lock_downgrade+0x860/0x860 [ 161.566829] ? ___might_sleep+0x16b/0x270 [ 161.571076] __should_failslab+0xba/0xf0 [ 161.575142] should_failslab+0x9/0x20 [ 161.579106] kmem_cache_alloc_trace+0x2cb/0x740 [ 161.584167] ? qfq_change_class+0xa93/0x14e0 [ 161.588652] ? qfq_change_class+0xa93/0x14e0 [ 161.593284] ? __local_bh_enable_ip+0x160/0x260 [ 161.598057] qfq_change_class+0xad9/0x14e0 [ 161.602295] ? qfq_delete_class+0x2d0/0x2d0 [ 161.606693] ? nla_parse+0x197/0x280 [ 161.610505] tc_ctl_tclass+0x3e9/0xba0 [ 161.615146] ? __cast6_enc_blk8+0x1334/0x66c8 [ 161.619809] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 161.625297] ? find_held_lock+0x36/0x1d0 [ 161.629608] rtnetlink_rcv_msg+0x34f/0x8f0 [ 161.633842] ? rtnetlink_put_metrics+0x490/0x490 [ 161.639045] ? find_held_lock+0x36/0x1d0 [ 161.643416] netlink_rcv_skb+0x13e/0x3d0 [ 161.647875] ? lock_downgrade+0x860/0x860 [ 161.652177] ? rtnetlink_put_metrics+0x490/0x490 [ 161.657390] ? netlink_ack+0xa70/0xa70 [ 161.661372] ? netlink_deliver_tap+0x182/0xb00 [ 161.666041] rtnetlink_rcv+0x10/0x20 [ 161.669870] netlink_unicast+0x443/0x650 [ 161.674029] ? netlink_attachskb+0x6c0/0x6c0 [ 161.678698] ? _copy_from_iter_full+0x182/0x720 [ 161.683451] ? __check_object_size+0x1ef/0x310 [ 161.688165] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 161.693793] netlink_sendmsg+0x764/0xc60 [ 161.698000] ? netlink_unicast+0x650/0x650 [ 161.702237] ? apparmor_socket_sendmsg+0x1b/0x20 [ 161.707073] ? netlink_unicast+0x650/0x650 [ 161.711331] sock_sendmsg+0xb5/0xf0 [ 161.714951] ___sys_sendmsg+0x647/0x950 [ 161.719023] ? find_held_lock+0x36/0x1d0 [ 161.723290] ? copy_msghdr_from_user+0x430/0x430 [ 161.728155] ? __fget+0x278/0x400 [ 161.731790] ? kasan_check_read+0x11/0x20 [ 161.735942] ? __fget+0x295/0x400 [ 161.739591] ? expand_files.part.8+0x700/0x700 [ 161.744163] ? __f_unlock_pos+0xd/0x10 [ 161.748043] ? __fget_light+0x174/0x1e0 [ 161.752044] ? __fdget+0xe/0x10 [ 161.755454] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 161.761341] __sys_sendmsg+0xd9/0x180 [ 161.765281] ? __ia32_sys_shutdown+0x70/0x70 [ 161.769756] ? __sb_end_write+0xa4/0xd0 [ 161.773848] ? kasan_check_write+0x14/0x20 [ 161.778366] ? fput+0x18/0x120 [ 161.781869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.787256] __x64_sys_sendmsg+0x73/0xb0 [ 161.791370] do_syscall_64+0xd0/0x4e0 [ 161.795339] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.801153] RIP: 0033:0x463d89 [ 161.804540] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 161.824093] RSP: 002b:00007ff0893d9198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.832001] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 161.839326] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 161.847408] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 161.854680] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bf00 [ 161.862357] R13: 00007ff0893d96bc R14: 0000000000000009 R15: 0000000000000001 [ 161.873424] FAULT_INJECTION: forcing a failure. [ 161.873424] name failslab, interval 1, probability 0, space 0, times 0 [ 161.898333] CPU: 1 PID: 10306 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 161.908269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.919553] Call Trace: [ 161.922583] dump_stack+0x123/0x171 [ 161.927310] should_fail.cold.4+0x5/0xa [ 161.931758] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 161.937135] ? lock_downgrade+0x860/0x860 [ 161.941323] ? ___might_sleep+0x16b/0x270 [ 161.947480] __should_failslab+0xba/0xf0 [ 161.951972] should_failslab+0x9/0x20 [ 161.956402] kmem_cache_alloc_trace+0x2cb/0x740 [ 161.961166] ? qfq_change_class+0xa93/0x14e0 [ 161.965740] ? qfq_change_class+0xa93/0x14e0 [ 161.970183] ? __local_bh_enable_ip+0x160/0x260 [ 161.975747] qfq_change_class+0xad9/0x14e0 [ 161.980646] ? qfq_delete_class+0x2d0/0x2d0 [ 161.985175] ? nla_parse+0x197/0x280 [ 161.988929] tc_ctl_tclass+0x3e9/0xba0 [ 161.992813] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 161.998209] ? find_held_lock+0x36/0x1d0 [ 162.002543] rtnetlink_rcv_msg+0x34f/0x8f0 [ 162.007133] ? rtnetlink_put_metrics+0x490/0x490 [ 162.012482] ? find_held_lock+0x36/0x1d0 [ 162.016836] netlink_rcv_skb+0x13e/0x3d0 [ 162.021685] ? lock_downgrade+0x860/0x860 [ 162.025838] ? rtnetlink_put_metrics+0x490/0x490 [ 162.031544] ? netlink_ack+0xa70/0xa70 [ 162.035671] ? netlink_deliver_tap+0x182/0xb00 [ 162.040368] rtnetlink_rcv+0x10/0x20 [ 162.044577] netlink_unicast+0x443/0x650 [ 162.048944] ? netlink_attachskb+0x6c0/0x6c0 [ 162.053729] ? _copy_from_iter_full+0x182/0x720 [ 162.058740] ? __check_object_size+0x1ef/0x310 [ 162.063965] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 162.069714] netlink_sendmsg+0x764/0xc60 [ 162.073878] ? netlink_unicast+0x650/0x650 [ 162.078337] ? apparmor_socket_sendmsg+0x1b/0x20 [ 162.084325] ? netlink_unicast+0x650/0x650 [ 162.088879] sock_sendmsg+0xb5/0xf0 [ 162.092598] ___sys_sendmsg+0x647/0x950 [ 162.096757] ? find_held_lock+0x36/0x1d0 [ 162.101183] ? copy_msghdr_from_user+0x430/0x430 [ 162.106386] ? __fget+0x278/0x400 [ 162.110464] ? kasan_check_read+0x11/0x20 [ 162.114921] ? __fget+0x295/0x400 [ 162.118466] ? expand_files.part.8+0x700/0x700 [ 162.123364] ? __f_unlock_pos+0xd/0x10 [ 162.127803] ? __fget_light+0x174/0x1e0 [ 162.132256] ? __fdget+0xe/0x10 [ 162.135981] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 162.141679] __sys_sendmsg+0xd9/0x180 [ 162.145583] ? __ia32_sys_shutdown+0x70/0x70 [ 162.150529] ? __sb_end_write+0xa4/0xd0 [ 162.155308] ? kasan_check_write+0x14/0x20 [ 162.160227] ? fput+0x18/0x120 [ 162.164028] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.169854] __x64_sys_sendmsg+0x73/0xb0 [ 162.174160] do_syscall_64+0xd0/0x4e0 [ 162.178328] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.183960] RIP: 0033:0x463d89 [ 162.187290] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 162.206590] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.214815] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 162.223364] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 162.230897] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 162.238629] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 162.247233] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 162.257150] FAULT_INJECTION: forcing a failure. [ 162.257150] name failslab, interval 1, probability 0, space 0, times 0 [ 162.271164] CPU: 1 PID: 10307 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 162.279436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.289336] Call Trace: [ 162.292050] dump_stack+0x123/0x171 [ 162.295684] should_fail.cold.4+0x5/0xa [ 162.299761] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 162.305132] ? lock_downgrade+0x860/0x860 [ 162.309468] ? ___might_sleep+0x16b/0x270 [ 162.315099] __should_failslab+0xba/0xf0 [ 162.319522] should_failslab+0x9/0x20 [ 162.323341] kmem_cache_alloc_trace+0x2cb/0x740 [ 162.328213] ? qfq_change_class+0xa93/0x14e0 [ 162.332814] ? qfq_change_class+0xa93/0x14e0 [ 162.337816] ? __local_bh_enable_ip+0x160/0x260 [ 162.342750] qfq_change_class+0xad9/0x14e0 [ 162.347202] ? qfq_delete_class+0x2d0/0x2d0 [ 162.351544] ? nla_parse+0x197/0x280 [ 162.356328] tc_ctl_tclass+0x3e9/0xba0 [ 162.360410] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 162.366218] ? find_held_lock+0x36/0x1d0 [ 162.370437] rtnetlink_rcv_msg+0x34f/0x8f0 [ 162.375455] ? rtnetlink_put_metrics+0x490/0x490 [ 162.380477] ? find_held_lock+0x36/0x1d0 [ 162.384555] netlink_rcv_skb+0x13e/0x3d0 [ 162.388895] ? lock_downgrade+0x860/0x860 [ 162.393393] ? rtnetlink_put_metrics+0x490/0x490 [ 162.398344] ? netlink_ack+0xa70/0xa70 [ 162.402618] ? netlink_deliver_tap+0x182/0xb00 [ 162.407612] rtnetlink_rcv+0x10/0x20 [ 162.411412] netlink_unicast+0x443/0x650 [ 162.415556] ? netlink_attachskb+0x6c0/0x6c0 [ 162.420063] ? _copy_from_iter_full+0x182/0x720 [ 162.424822] ? __check_object_size+0x1ef/0x310 [ 162.429560] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 162.435549] netlink_sendmsg+0x764/0xc60 [ 162.439598] ? netlink_unicast+0x650/0x650 [ 162.444357] ? apparmor_socket_sendmsg+0x1b/0x20 [ 162.449340] ? netlink_unicast+0x650/0x650 [ 162.453659] sock_sendmsg+0xb5/0xf0 [ 162.457288] ___sys_sendmsg+0x647/0x950 [ 162.461432] ? find_held_lock+0x36/0x1d0 [ 162.465793] ? copy_msghdr_from_user+0x430/0x430 [ 162.470667] ? __fget+0x278/0x400 [ 162.474853] ? kasan_check_read+0x11/0x20 [ 162.479319] ? __fget+0x295/0x400 [ 162.482961] ? expand_files.part.8+0x700/0x700 [ 162.488106] ? __f_unlock_pos+0xd/0x10 [ 162.492199] ? __fget_light+0x174/0x1e0 [ 162.496612] ? __fdget+0xe/0x10 [ 162.500131] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 162.505340] __sys_sendmsg+0xd9/0x180 [ 162.509332] ? __ia32_sys_shutdown+0x70/0x70 [ 162.514350] ? __sb_end_write+0xa4/0xd0 [ 162.519036] ? kasan_check_write+0x14/0x20 [ 162.523440] ? fput+0x18/0x120 [ 162.526656] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.532356] __x64_sys_sendmsg+0x73/0xb0 [ 162.536681] do_syscall_64+0xd0/0x4e0 [ 162.540584] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.546036] RIP: 0033:0x463d89 [ 162.549535] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 162.569747] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.578137] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 162.585635] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 162.593519] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 162.601273] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 162.608971] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 162.617725] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 162.637400] FAULT_INJECTION: forcing a failure. [ 162.637400] name failslab, interval 1, probability 0, space 0, times 0 [ 162.656017] CPU: 1 PID: 10320 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 162.664033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.673385] Call Trace: [ 162.676314] dump_stack+0x123/0x171 [ 162.679950] should_fail.cold.4+0x5/0xa [ 162.683917] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 162.689143] ? lock_downgrade+0x860/0x860 [ 162.693281] ? ___might_sleep+0x16b/0x270 [ 162.697457] __should_failslab+0xba/0xf0 [ 162.701920] should_failslab+0x9/0x20 [ 162.706053] kmem_cache_alloc_trace+0x2cb/0x740 [ 162.710743] ? qfq_change_class+0xa93/0x14e0 [ 162.715241] ? qfq_change_class+0xa93/0x14e0 [ 162.719835] ? __local_bh_enable_ip+0x160/0x260 [ 162.724756] qfq_change_class+0xad9/0x14e0 [ 162.729251] ? qfq_delete_class+0x2d0/0x2d0 [ 162.733571] ? nla_parse+0x197/0x280 [ 162.739305] tc_ctl_tclass+0x3e9/0xba0 [ 162.743371] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 162.748665] ? find_held_lock+0x36/0x1d0 [ 162.752991] rtnetlink_rcv_msg+0x34f/0x8f0 [ 162.757426] ? rtnetlink_put_metrics+0x490/0x490 [ 162.762585] ? find_held_lock+0x36/0x1d0 [ 162.766871] netlink_rcv_skb+0x13e/0x3d0 [ 162.771464] ? lock_downgrade+0x860/0x860 [ 162.775719] ? rtnetlink_put_metrics+0x490/0x490 [ 162.781232] ? netlink_ack+0xa70/0xa70 [ 162.785656] ? netlink_deliver_tap+0x182/0xb00 [ 162.790621] rtnetlink_rcv+0x10/0x20 [ 162.794334] netlink_unicast+0x443/0x650 [ 162.798387] ? netlink_attachskb+0x6c0/0x6c0 [ 162.802892] ? _copy_from_iter_full+0x182/0x720 [ 162.808028] ? __check_object_size+0x1ef/0x310 [ 162.812782] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 162.818631] netlink_sendmsg+0x764/0xc60 [ 162.822802] ? netlink_unicast+0x650/0x650 [ 162.827383] ? apparmor_socket_sendmsg+0x1b/0x20 [ 162.832313] ? netlink_unicast+0x650/0x650 [ 162.837296] sock_sendmsg+0xb5/0xf0 [ 162.841094] ___sys_sendmsg+0x647/0x950 [ 162.845169] ? find_held_lock+0x36/0x1d0 [ 162.849482] ? copy_msghdr_from_user+0x430/0x430 [ 162.854269] ? __fget+0x278/0x400 [ 162.858206] ? kasan_check_read+0x11/0x20 [ 162.862610] ? __fget+0x295/0x400 [ 162.866151] ? expand_files.part.8+0x700/0x700 [ 162.871069] ? __f_unlock_pos+0xd/0x10 [ 162.875213] ? __fget_light+0x174/0x1e0 [ 162.879470] ? __fdget+0xe/0x10 [ 162.883399] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 162.888244] __sys_sendmsg+0xd9/0x180 [ 162.892372] ? __ia32_sys_shutdown+0x70/0x70 [ 162.897118] ? __sb_end_write+0xa4/0xd0 [ 162.901305] ? kasan_check_write+0x14/0x20 [ 162.906001] ? fput+0x18/0x120 [ 162.909292] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.914673] __x64_sys_sendmsg+0x73/0xb0 [ 162.918733] do_syscall_64+0xd0/0x4e0 [ 162.922619] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.928383] RIP: 0033:0x463d89 [ 162.931821] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 162.951726] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.959540] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 162.967101] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 162.975000] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 162.982357] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 162.989824] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 163.022404] FAULT_INJECTION: forcing a failure. [ 163.022404] name failslab, interval 1, probability 0, space 0, times 0 [ 163.034329] CPU: 0 PID: 10334 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 163.042388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.051855] Call Trace: [ 163.054575] dump_stack+0x123/0x171 [ 163.058352] should_fail.cold.4+0x5/0xa [ 163.062316] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 163.067740] ? lock_downgrade+0x860/0x860 [ 163.072407] ? ___might_sleep+0x16b/0x270 [ 163.076654] __should_failslab+0xba/0xf0 [ 163.081001] should_failslab+0x9/0x20 [ 163.085102] kmem_cache_alloc_trace+0x2cb/0x740 [ 163.090382] ? qfq_change_class+0xa93/0x14e0 [ 163.094789] ? qfq_change_class+0xa93/0x14e0 [ 163.099666] ? __local_bh_enable_ip+0x160/0x260 [ 163.104553] qfq_change_class+0xad9/0x14e0 [ 163.108792] ? qfq_delete_class+0x2d0/0x2d0 [ 163.113129] ? nla_parse+0x197/0x280 [ 163.116840] tc_ctl_tclass+0x3e9/0xba0 [ 163.120744] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 163.125841] ? find_held_lock+0x36/0x1d0 [ 163.129990] rtnetlink_rcv_msg+0x34f/0x8f0 [ 163.134470] ? rtnetlink_put_metrics+0x490/0x490 [ 163.139573] ? find_held_lock+0x36/0x1d0 [ 163.143650] netlink_rcv_skb+0x13e/0x3d0 [ 163.148013] ? lock_downgrade+0x860/0x860 [ 163.152514] ? rtnetlink_put_metrics+0x490/0x490 [ 163.157535] ? netlink_ack+0xa70/0xa70 [ 163.161990] ? netlink_deliver_tap+0x182/0xb00 [ 163.166575] rtnetlink_rcv+0x10/0x20 [ 163.170489] netlink_unicast+0x443/0x650 [ 163.174638] ? netlink_attachskb+0x6c0/0x6c0 [ 163.179139] ? _copy_from_iter_full+0x182/0x720 [ 163.207109] ? __check_object_size+0x1ef/0x310 [ 163.211798] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 163.217541] netlink_sendmsg+0x764/0xc60 [ 163.221821] ? netlink_unicast+0x650/0x650 [ 163.226161] ? apparmor_socket_sendmsg+0x1b/0x20 [ 163.231181] ? netlink_unicast+0x650/0x650 [ 163.235706] sock_sendmsg+0xb5/0xf0 [ 163.239626] ___sys_sendmsg+0x647/0x950 [ 163.244395] ? find_held_lock+0x36/0x1d0 [ 163.248628] ? copy_msghdr_from_user+0x430/0x430 [ 163.253407] ? __fget+0x278/0x400 [ 163.256850] ? kasan_check_read+0x11/0x20 [ 163.260988] ? __fget+0x295/0x400 [ 163.264433] ? expand_files.part.8+0x700/0x700 [ 163.269194] ? __f_unlock_pos+0xd/0x10 [ 163.273178] ? __fget_light+0x174/0x1e0 [ 163.277392] ? __fdget+0xe/0x10 [ 163.280801] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 163.285665] __sys_sendmsg+0xd9/0x180 [ 163.289554] ? __ia32_sys_shutdown+0x70/0x70 [ 163.294282] ? __sb_end_write+0xa4/0xd0 [ 163.298397] ? kasan_check_write+0x14/0x20 [ 163.302754] ? fput+0x18/0x120 [ 163.306031] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.311477] __x64_sys_sendmsg+0x73/0xb0 [ 163.315560] do_syscall_64+0xd0/0x4e0 [ 163.319626] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.324825] RIP: 0033:0x463d89 [ 163.328207] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 163.347721] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.356274] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 163.363908] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 163.371478] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 163.378962] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 163.386899] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 163.408032] FAULT_INJECTION: forcing a failure. [ 163.408032] name failslab, interval 1, probability 0, space 0, times 0 [ 163.436876] CPU: 1 PID: 10349 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 163.445144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.454823] Call Trace: [ 163.457655] dump_stack+0x123/0x171 [ 163.461388] should_fail.cold.4+0x5/0xa [ 163.465349] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 163.470797] ? lock_downgrade+0x860/0x860 [ 163.475193] ? ___might_sleep+0x16b/0x270 [ 163.479818] __should_failslab+0xba/0xf0 [ 163.483956] should_failslab+0x9/0x20 [ 163.488025] kmem_cache_alloc_trace+0x2cb/0x740 [ 163.492686] ? qfq_change_class+0xa93/0x14e0 [ 163.497594] ? qfq_change_class+0xa93/0x14e0 [ 163.501990] ? __local_bh_enable_ip+0x160/0x260 [ 163.507191] qfq_change_class+0xad9/0x14e0 [ 163.511434] ? qfq_delete_class+0x2d0/0x2d0 [ 163.516268] ? nla_parse+0x197/0x280 [ 163.520325] tc_ctl_tclass+0x3e9/0xba0 [ 163.524321] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 163.529763] ? find_held_lock+0x36/0x1d0 [ 163.533916] rtnetlink_rcv_msg+0x34f/0x8f0 [ 163.538598] ? rtnetlink_put_metrics+0x490/0x490 [ 163.543372] ? find_held_lock+0x36/0x1d0 [ 163.547530] netlink_rcv_skb+0x13e/0x3d0 [ 163.552743] ? lock_downgrade+0x860/0x860 [ 163.556997] ? rtnetlink_put_metrics+0x490/0x490 [ 163.562148] ? netlink_ack+0xa70/0xa70 [ 163.566651] ? netlink_deliver_tap+0x182/0xb00 [ 163.571753] rtnetlink_rcv+0x10/0x20 [ 163.575594] netlink_unicast+0x443/0x650 [ 163.579761] ? netlink_attachskb+0x6c0/0x6c0 [ 163.584245] ? _copy_from_iter_full+0x182/0x720 [ 163.589002] ? __check_object_size+0x1ef/0x310 [ 163.594326] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 163.600040] netlink_sendmsg+0x764/0xc60 [ 163.604170] ? netlink_unicast+0x650/0x650 [ 163.608963] ? apparmor_socket_sendmsg+0x1b/0x20 [ 163.613903] ? netlink_unicast+0x650/0x650 [ 163.618338] sock_sendmsg+0xb5/0xf0 [ 163.621967] ___sys_sendmsg+0x647/0x950 [ 163.626189] ? find_held_lock+0x36/0x1d0 [ 163.630338] ? copy_msghdr_from_user+0x430/0x430 [ 163.635271] ? __fget+0x278/0x400 [ 163.638817] ? kasan_check_read+0x11/0x20 [ 163.643160] ? __fget+0x295/0x400 [ 163.646749] ? expand_files.part.8+0x700/0x700 [ 163.651406] ? __f_unlock_pos+0xd/0x10 [ 163.655375] ? __fget_light+0x174/0x1e0 [ 163.659662] ? __fdget+0xe/0x10 [ 163.663123] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 163.668184] __sys_sendmsg+0xd9/0x180 [ 163.672138] ? __ia32_sys_shutdown+0x70/0x70 [ 163.676689] ? __sb_end_write+0xa4/0xd0 [ 163.680660] ? kasan_check_write+0x14/0x20 [ 163.685138] ? fput+0x18/0x120 [ 163.688497] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.694253] __x64_sys_sendmsg+0x73/0xb0 [ 163.698658] do_syscall_64+0xd0/0x4e0 [ 163.702736] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.707923] RIP: 0033:0x463d89 [ 163.711309] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 163.730729] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.738607] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 163.746277] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 163.753649] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 163.760995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 163.769097] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 163.797628] FAULT_INJECTION: forcing a failure. [ 163.797628] name failslab, interval 1, probability 0, space 0, times 0 [ 163.816880] CPU: 0 PID: 10355 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 163.825363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.835023] Call Trace: [ 163.837727] dump_stack+0x123/0x171 [ 163.842117] should_fail.cold.4+0x5/0xa [ 163.846251] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 163.851955] ? lock_downgrade+0x860/0x860 [ 163.856101] ? ___might_sleep+0x16b/0x270 [ 163.860363] __should_failslab+0xba/0xf0 [ 163.864503] should_failslab+0x9/0x20 [ 163.868287] kmem_cache_alloc_trace+0x2cb/0x740 [ 163.873309] ? qfq_change_class+0xa93/0x14e0 [ 163.877703] ? qfq_change_class+0xa93/0x14e0 [ 163.882093] ? __local_bh_enable_ip+0x160/0x260 [ 163.887007] qfq_change_class+0xad9/0x14e0 [ 163.891232] ? qfq_delete_class+0x2d0/0x2d0 [ 163.895708] ? nla_parse+0x197/0x280 [ 163.899438] tc_ctl_tclass+0x3e9/0xba0 [ 163.903403] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 163.908497] ? find_held_lock+0x36/0x1d0 [ 163.912700] rtnetlink_rcv_msg+0x34f/0x8f0 [ 163.916929] ? rtnetlink_put_metrics+0x490/0x490 [ 163.922071] ? find_held_lock+0x36/0x1d0 [ 163.926496] netlink_rcv_skb+0x13e/0x3d0 [ 163.930732] ? lock_downgrade+0x860/0x860 [ 163.934962] ? rtnetlink_put_metrics+0x490/0x490 [ 163.939717] ? netlink_ack+0xa70/0xa70 [ 163.943862] ? netlink_deliver_tap+0x182/0xb00 [ 163.948540] rtnetlink_rcv+0x10/0x20 [ 163.952309] netlink_unicast+0x443/0x650 [ 163.956469] ? netlink_attachskb+0x6c0/0x6c0 [ 163.961340] ? _copy_from_iter_full+0x182/0x720 [ 163.966098] ? __check_object_size+0x1ef/0x310 [ 163.970881] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 163.976918] netlink_sendmsg+0x764/0xc60 [ 163.981214] ? netlink_unicast+0x650/0x650 [ 163.985458] ? apparmor_socket_sendmsg+0x1b/0x20 [ 163.990341] ? netlink_unicast+0x650/0x650 [ 163.994946] sock_sendmsg+0xb5/0xf0 [ 163.998826] ___sys_sendmsg+0x647/0x950 [ 164.002972] ? find_held_lock+0x36/0x1d0 [ 164.007401] ? copy_msghdr_from_user+0x430/0x430 [ 164.012272] ? __fget+0x278/0x400 [ 164.015812] ? kasan_check_read+0x11/0x20 [ 164.019973] ? __fget+0x295/0x400 [ 164.023511] ? expand_files.part.8+0x700/0x700 [ 164.028328] ? __f_unlock_pos+0xd/0x10 [ 164.032714] ? __fget_light+0x174/0x1e0 [ 164.036712] ? __fdget+0xe/0x10 [ 164.040118] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 164.045233] __sys_sendmsg+0xd9/0x180 [ 164.049627] ? __ia32_sys_shutdown+0x70/0x70 [ 164.054144] ? __sb_end_write+0xa4/0xd0 [ 164.058184] ? kasan_check_write+0x14/0x20 [ 164.062411] ? fput+0x18/0x120 [ 164.065689] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.071150] __x64_sys_sendmsg+0x73/0xb0 [ 164.075325] do_syscall_64+0xd0/0x4e0 [ 164.079233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.084563] RIP: 0033:0x463d89 [ 164.087778] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 164.107636] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.116120] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 164.123561] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 164.131072] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 164.138719] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 2021/04/24 20:08:18 executed programs: 323 [ 164.146425] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 164.162061] FAULT_INJECTION: forcing a failure. [ 164.162061] name failslab, interval 1, probability 0, space 0, times 0 [ 164.175724] CPU: 0 PID: 10361 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 164.183838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.193398] Call Trace: [ 164.196011] dump_stack+0x123/0x171 [ 164.200086] should_fail.cold.4+0x5/0xa [ 164.204163] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 164.209374] ? lock_downgrade+0x860/0x860 [ 164.213626] ? ___might_sleep+0x16b/0x270 [ 164.217782] __should_failslab+0xba/0xf0 [ 164.221936] should_failslab+0x9/0x20 [ 164.225756] kmem_cache_alloc_trace+0x2cb/0x740 [ 164.230737] ? qfq_change_class+0xa93/0x14e0 [ 164.235335] ? qfq_change_class+0xa93/0x14e0 [ 164.239838] ? __local_bh_enable_ip+0x160/0x260 [ 164.244626] qfq_change_class+0xad9/0x14e0 [ 164.248885] ? qfq_delete_class+0x2d0/0x2d0 [ 164.254704] ? nla_parse+0x197/0x280 [ 164.258434] tc_ctl_tclass+0x3e9/0xba0 [ 164.262426] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 164.267716] ? find_held_lock+0x36/0x1d0 [ 164.271879] rtnetlink_rcv_msg+0x34f/0x8f0 [ 164.276157] ? rtnetlink_put_metrics+0x490/0x490 [ 164.280905] ? find_held_lock+0x36/0x1d0 [ 164.285056] netlink_rcv_skb+0x13e/0x3d0 [ 164.289288] ? lock_downgrade+0x860/0x860 [ 164.293520] ? rtnetlink_put_metrics+0x490/0x490 [ 164.298292] ? netlink_ack+0xa70/0xa70 [ 164.302396] ? netlink_deliver_tap+0x182/0xb00 [ 164.306980] rtnetlink_rcv+0x10/0x20 [ 164.310980] netlink_unicast+0x443/0x650 [ 164.315288] ? netlink_attachskb+0x6c0/0x6c0 [ 164.320908] ? _copy_from_iter_full+0x182/0x720 [ 164.325685] ? __check_object_size+0x1ef/0x310 [ 164.330368] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 164.336288] netlink_sendmsg+0x764/0xc60 [ 164.340804] ? netlink_unicast+0x650/0x650 [ 164.345299] ? apparmor_socket_sendmsg+0x1b/0x20 [ 164.350140] ? netlink_unicast+0x650/0x650 [ 164.355938] sock_sendmsg+0xb5/0xf0 [ 164.359759] ___sys_sendmsg+0x647/0x950 [ 164.364291] ? find_held_lock+0x36/0x1d0 [ 164.368543] ? copy_msghdr_from_user+0x430/0x430 [ 164.373299] ? __fget+0x278/0x400 [ 164.377257] ? kasan_check_read+0x11/0x20 [ 164.382347] ? __fget+0x295/0x400 [ 164.385906] ? expand_files.part.8+0x700/0x700 [ 164.391291] ? __f_unlock_pos+0xd/0x10 [ 164.395271] ? __fget_light+0x174/0x1e0 [ 164.399487] ? __fdget+0xe/0x10 [ 164.403153] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 164.407999] __sys_sendmsg+0xd9/0x180 [ 164.411905] ? __ia32_sys_shutdown+0x70/0x70 [ 164.416779] ? __sb_end_write+0xa4/0xd0 [ 164.420775] ? kasan_check_write+0x14/0x20 [ 164.425211] ? fput+0x18/0x120 [ 164.428707] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.435006] __x64_sys_sendmsg+0x73/0xb0 [ 164.439163] do_syscall_64+0xd0/0x4e0 [ 164.443080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.448445] RIP: 0033:0x463d89 [ 164.451624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 164.471406] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.480065] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 164.487608] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 164.495734] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 164.503515] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 164.511533] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 164.522939] nla_parse: 4 callbacks suppressed [ 164.522943] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 164.565461] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 164.580151] FAULT_INJECTION: forcing a failure. [ 164.580151] name failslab, interval 1, probability 0, space 0, times 0 [ 164.592763] CPU: 1 PID: 10379 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 164.600771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.610802] Call Trace: [ 164.613713] dump_stack+0x123/0x171 [ 164.617794] should_fail.cold.4+0x5/0xa [ 164.622236] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 164.628111] ? lock_downgrade+0x860/0x860 [ 164.632345] ? ___might_sleep+0x16b/0x270 [ 164.636844] __should_failslab+0xba/0xf0 [ 164.640894] should_failslab+0x9/0x20 [ 164.644839] kmem_cache_alloc_trace+0x2cb/0x740 [ 164.649621] ? qfq_change_class+0xa93/0x14e0 [ 164.654137] ? qfq_change_class+0xa93/0x14e0 [ 164.659087] ? __local_bh_enable_ip+0x160/0x260 [ 164.663848] qfq_change_class+0xad9/0x14e0 [ 164.668274] ? qfq_delete_class+0x2d0/0x2d0 [ 164.672780] ? nla_parse+0x197/0x280 [ 164.676486] tc_ctl_tclass+0x3e9/0xba0 [ 164.680379] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 164.685753] ? find_held_lock+0x36/0x1d0 [ 164.689898] rtnetlink_rcv_msg+0x34f/0x8f0 [ 164.694222] ? rtnetlink_put_metrics+0x490/0x490 [ 164.699068] ? find_held_lock+0x36/0x1d0 [ 164.703451] netlink_rcv_skb+0x13e/0x3d0 [ 164.707501] ? lock_downgrade+0x860/0x860 [ 164.711641] ? rtnetlink_put_metrics+0x490/0x490 [ 164.716610] ? netlink_ack+0xa70/0xa70 [ 164.720511] ? netlink_deliver_tap+0x182/0xb00 [ 164.725276] rtnetlink_rcv+0x10/0x20 [ 164.729076] netlink_unicast+0x443/0x650 [ 164.733142] ? netlink_attachskb+0x6c0/0x6c0 [ 164.737657] ? _copy_from_iter_full+0x182/0x720 [ 164.742519] ? __check_object_size+0x1ef/0x310 [ 164.747377] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 164.753111] netlink_sendmsg+0x764/0xc60 [ 164.757260] ? netlink_unicast+0x650/0x650 [ 164.761726] ? apparmor_socket_sendmsg+0x1b/0x20 [ 164.767197] ? netlink_unicast+0x650/0x650 [ 164.771444] sock_sendmsg+0xb5/0xf0 [ 164.775169] ___sys_sendmsg+0x647/0x950 [ 164.779177] ? find_held_lock+0x36/0x1d0 [ 164.783612] ? copy_msghdr_from_user+0x430/0x430 [ 164.788862] ? __fget+0x278/0x400 [ 164.792409] ? kasan_check_read+0x11/0x20 [ 164.796573] ? __fget+0x295/0x400 [ 164.800227] ? expand_files.part.8+0x700/0x700 [ 164.804856] ? __f_unlock_pos+0xd/0x10 [ 164.808743] ? __fget_light+0x174/0x1e0 [ 164.812745] ? __fdget+0xe/0x10 [ 164.816469] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 164.821632] __sys_sendmsg+0xd9/0x180 [ 164.825951] ? __ia32_sys_shutdown+0x70/0x70 [ 164.830454] ? __sb_end_write+0xa4/0xd0 [ 164.834774] ? kasan_check_write+0x14/0x20 [ 164.839012] ? fput+0x18/0x120 [ 164.842246] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.847789] __x64_sys_sendmsg+0x73/0xb0 [ 164.852119] do_syscall_64+0xd0/0x4e0 [ 164.856358] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.861639] RIP: 0033:0x463d89 [ 164.864830] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 164.884616] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.892673] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 164.900018] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 164.907371] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 164.914743] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 164.922183] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 164.932120] FAULT_INJECTION: forcing a failure. [ 164.932120] name failslab, interval 1, probability 0, space 0, times 0 [ 164.945542] CPU: 1 PID: 10381 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 164.953448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.963076] Call Trace: [ 164.965790] dump_stack+0x123/0x171 [ 164.969428] should_fail.cold.4+0x5/0xa [ 164.973671] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 164.979124] ? lock_downgrade+0x860/0x860 [ 164.983375] ? ___might_sleep+0x16b/0x270 [ 164.988065] __should_failslab+0xba/0xf0 [ 164.992216] should_failslab+0x9/0x20 [ 164.996109] kmem_cache_alloc_trace+0x2cb/0x740 [ 165.000777] ? qfq_change_class+0xa93/0x14e0 [ 165.005612] ? qfq_change_class+0xa93/0x14e0 [ 165.010205] ? __local_bh_enable_ip+0x160/0x260 [ 165.014955] qfq_change_class+0xad9/0x14e0 [ 165.019738] ? qfq_delete_class+0x2d0/0x2d0 [ 165.024439] ? nla_parse+0x197/0x280 [ 165.028374] tc_ctl_tclass+0x3e9/0xba0 [ 165.032476] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 165.037931] ? find_held_lock+0x36/0x1d0 [ 165.042218] rtnetlink_rcv_msg+0x34f/0x8f0 [ 165.046454] ? rtnetlink_put_metrics+0x490/0x490 [ 165.051423] ? find_held_lock+0x36/0x1d0 [ 165.056131] netlink_rcv_skb+0x13e/0x3d0 [ 165.060289] ? lock_downgrade+0x860/0x860 [ 165.064555] ? rtnetlink_put_metrics+0x490/0x490 [ 165.069657] ? netlink_ack+0xa70/0xa70 [ 165.074066] ? netlink_deliver_tap+0x182/0xb00 [ 165.079413] rtnetlink_rcv+0x10/0x20 [ 165.083582] netlink_unicast+0x443/0x650 [ 165.088120] ? netlink_attachskb+0x6c0/0x6c0 [ 165.092696] ? _copy_from_iter_full+0x182/0x720 [ 165.097499] ? __check_object_size+0x1ef/0x310 [ 165.102254] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 165.107883] netlink_sendmsg+0x764/0xc60 [ 165.112026] ? netlink_unicast+0x650/0x650 [ 165.116341] ? apparmor_socket_sendmsg+0x1b/0x20 [ 165.121096] ? netlink_unicast+0x650/0x650 [ 165.125314] sock_sendmsg+0xb5/0xf0 [ 165.128922] ___sys_sendmsg+0x647/0x950 [ 165.132889] ? find_held_lock+0x36/0x1d0 [ 165.137135] ? copy_msghdr_from_user+0x430/0x430 [ 165.142242] ? __fget+0x278/0x400 [ 165.145707] ? kasan_check_read+0x11/0x20 [ 165.149960] ? __fget+0x295/0x400 [ 165.153522] ? expand_files.part.8+0x700/0x700 [ 165.158100] ? __f_unlock_pos+0xd/0x10 [ 165.162359] ? __fget_light+0x174/0x1e0 [ 165.166450] ? __fdget+0xe/0x10 [ 165.169805] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 165.174636] __sys_sendmsg+0xd9/0x180 [ 165.178423] ? __ia32_sys_shutdown+0x70/0x70 [ 165.183022] ? __sb_end_write+0xa4/0xd0 [ 165.187207] ? kasan_check_write+0x14/0x20 [ 165.191625] ? fput+0x18/0x120 [ 165.194820] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.200293] __x64_sys_sendmsg+0x73/0xb0 [ 165.204366] do_syscall_64+0xd0/0x4e0 [ 165.208347] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.213619] RIP: 0033:0x463d89 [ 165.216801] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 165.236296] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.244387] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 165.252078] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 165.259837] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 165.267213] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 165.274838] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 165.288580] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 165.319595] FAULT_INJECTION: forcing a failure. [ 165.319595] name failslab, interval 1, probability 0, space 0, times 0 [ 165.334068] CPU: 0 PID: 10391 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 165.342433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.352245] Call Trace: [ 165.355305] dump_stack+0x123/0x171 [ 165.359209] should_fail.cold.4+0x5/0xa [ 165.363671] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 165.368904] ? lock_downgrade+0x860/0x860 [ 165.373063] ? ___might_sleep+0x16b/0x270 [ 165.377222] __should_failslab+0xba/0xf0 [ 165.381698] should_failslab+0x9/0x20 [ 165.385837] kmem_cache_alloc_trace+0x2cb/0x740 [ 165.391166] ? qfq_change_class+0xa93/0x14e0 [ 165.395672] ? qfq_change_class+0xa93/0x14e0 [ 165.400259] ? __local_bh_enable_ip+0x160/0x260 [ 165.405207] qfq_change_class+0xad9/0x14e0 [ 165.409815] ? qfq_delete_class+0x2d0/0x2d0 [ 165.414395] ? nla_parse+0x197/0x280 [ 165.418105] tc_ctl_tclass+0x3e9/0xba0 [ 165.422157] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 165.427363] ? find_held_lock+0x36/0x1d0 [ 165.431528] rtnetlink_rcv_msg+0x34f/0x8f0 [ 165.435966] ? rtnetlink_put_metrics+0x490/0x490 [ 165.440730] ? find_held_lock+0x36/0x1d0 [ 165.444814] netlink_rcv_skb+0x13e/0x3d0 [ 165.449160] ? lock_downgrade+0x860/0x860 [ 165.453561] ? rtnetlink_put_metrics+0x490/0x490 [ 165.458416] ? netlink_ack+0xa70/0xa70 [ 165.462409] ? netlink_deliver_tap+0x182/0xb00 [ 165.467145] rtnetlink_rcv+0x10/0x20 [ 165.471035] netlink_unicast+0x443/0x650 [ 165.475359] ? netlink_attachskb+0x6c0/0x6c0 [ 165.479856] ? _copy_from_iter_full+0x182/0x720 [ 165.484520] ? __check_object_size+0x1ef/0x310 [ 165.489205] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 165.494751] netlink_sendmsg+0x764/0xc60 [ 165.498811] ? netlink_unicast+0x650/0x650 [ 165.503037] ? apparmor_socket_sendmsg+0x1b/0x20 [ 165.507939] ? netlink_unicast+0x650/0x650 [ 165.512178] sock_sendmsg+0xb5/0xf0 [ 165.515889] ___sys_sendmsg+0x647/0x950 [ 165.519962] ? find_held_lock+0x36/0x1d0 [ 165.524120] ? copy_msghdr_from_user+0x430/0x430 [ 165.528957] ? __fget+0x278/0x400 [ 165.532540] ? kasan_check_read+0x11/0x20 [ 165.536687] ? __fget+0x295/0x400 [ 165.540326] ? expand_files.part.8+0x700/0x700 [ 165.545108] ? __f_unlock_pos+0xd/0x10 [ 165.549109] ? __fget_light+0x174/0x1e0 [ 165.553293] ? __fdget+0xe/0x10 [ 165.556588] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 165.561699] __sys_sendmsg+0xd9/0x180 [ 165.565596] ? __ia32_sys_shutdown+0x70/0x70 [ 165.570095] ? __sb_end_write+0xa4/0xd0 [ 165.574073] ? kasan_check_write+0x14/0x20 [ 165.578300] ? fput+0x18/0x120 [ 165.581655] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.587101] __x64_sys_sendmsg+0x73/0xb0 [ 165.591589] do_syscall_64+0xd0/0x4e0 [ 165.595481] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.601248] RIP: 0033:0x463d89 [ 165.604586] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 165.624125] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.632096] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 165.639456] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 165.646922] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 165.654363] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 165.662626] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 165.681928] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 165.707693] FAULT_INJECTION: forcing a failure. [ 165.707693] name failslab, interval 1, probability 0, space 0, times 0 [ 165.720364] CPU: 1 PID: 10401 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 165.729091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.739015] Call Trace: [ 165.741601] dump_stack+0x123/0x171 [ 165.745247] should_fail.cold.4+0x5/0xa [ 165.749590] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 165.754863] ? lock_downgrade+0x860/0x860 [ 165.759479] ? ___might_sleep+0x16b/0x270 [ 165.763795] __should_failslab+0xba/0xf0 [ 165.767939] should_failslab+0x9/0x20 [ 165.771828] kmem_cache_alloc_trace+0x2cb/0x740 [ 165.776669] ? qfq_change_class+0xa93/0x14e0 [ 165.781448] ? qfq_change_class+0xa93/0x14e0 [ 165.786118] ? __local_bh_enable_ip+0x160/0x260 [ 165.790801] qfq_change_class+0xad9/0x14e0 [ 165.795201] ? qfq_delete_class+0x2d0/0x2d0 [ 165.799533] ? nla_parse+0x197/0x280 [ 165.803325] tc_ctl_tclass+0x3e9/0xba0 [ 165.807216] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 165.812668] ? find_held_lock+0x36/0x1d0 [ 165.816965] rtnetlink_rcv_msg+0x34f/0x8f0 [ 165.821389] ? rtnetlink_put_metrics+0x490/0x490 [ 165.826409] ? find_held_lock+0x36/0x1d0 [ 165.830555] netlink_rcv_skb+0x13e/0x3d0 [ 165.834896] ? lock_downgrade+0x860/0x860 [ 165.839661] ? rtnetlink_put_metrics+0x490/0x490 [ 165.844566] ? netlink_ack+0xa70/0xa70 [ 165.848720] ? netlink_deliver_tap+0x182/0xb00 [ 165.853491] rtnetlink_rcv+0x10/0x20 [ 165.857933] netlink_unicast+0x443/0x650 [ 165.862444] ? netlink_attachskb+0x6c0/0x6c0 [ 165.867192] ? _copy_from_iter_full+0x182/0x720 [ 165.872073] ? __check_object_size+0x1ef/0x310 [ 165.876886] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 165.882982] netlink_sendmsg+0x764/0xc60 [ 165.888384] ? netlink_unicast+0x650/0x650 [ 165.892634] ? apparmor_socket_sendmsg+0x1b/0x20 [ 165.897484] ? netlink_unicast+0x650/0x650 [ 165.902175] sock_sendmsg+0xb5/0xf0 [ 165.905795] ___sys_sendmsg+0x647/0x950 [ 165.909768] ? find_held_lock+0x36/0x1d0 [ 165.913810] ? copy_msghdr_from_user+0x430/0x430 [ 165.918549] ? __fget+0x278/0x400 [ 165.922177] ? kasan_check_read+0x11/0x20 [ 165.926623] ? __fget+0x295/0x400 [ 165.930187] ? expand_files.part.8+0x700/0x700 [ 165.934869] ? __f_unlock_pos+0xd/0x10 [ 165.938913] ? __fget_light+0x174/0x1e0 [ 165.942881] ? __fdget+0xe/0x10 [ 165.946153] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 165.950991] __sys_sendmsg+0xd9/0x180 [ 165.955043] ? __ia32_sys_shutdown+0x70/0x70 [ 165.959527] ? __sb_end_write+0xa4/0xd0 [ 165.963486] ? kasan_check_write+0x14/0x20 [ 165.967698] ? fput+0x18/0x120 [ 165.971221] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.976581] __x64_sys_sendmsg+0x73/0xb0 [ 165.980649] do_syscall_64+0xd0/0x4e0 [ 165.984526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.989809] RIP: 0033:0x463d89 [ 165.993615] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 166.013621] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.021441] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 166.028812] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 166.036243] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 166.043924] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 166.051177] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 166.059596] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 166.076236] FAULT_INJECTION: forcing a failure. [ 166.076236] name failslab, interval 1, probability 0, space 0, times 0 [ 166.098241] CPU: 1 PID: 10411 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 166.106240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.115997] Call Trace: [ 166.118594] dump_stack+0x123/0x171 [ 166.122476] should_fail.cold.4+0x5/0xa [ 166.126598] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 166.132097] ? lock_downgrade+0x860/0x860 [ 166.136341] ? ___might_sleep+0x16b/0x270 [ 166.140673] __should_failslab+0xba/0xf0 [ 166.144834] should_failslab+0x9/0x20 [ 166.148837] kmem_cache_alloc_trace+0x2cb/0x740 [ 166.153811] ? qfq_change_class+0xa93/0x14e0 [ 166.158308] ? qfq_change_class+0xa93/0x14e0 [ 166.162762] ? __local_bh_enable_ip+0x160/0x260 [ 166.167452] qfq_change_class+0xad9/0x14e0 [ 166.171682] ? qfq_delete_class+0x2d0/0x2d0 [ 166.176107] ? nla_parse+0x197/0x280 [ 166.179822] tc_ctl_tclass+0x3e9/0xba0 [ 166.184094] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 166.189291] ? find_held_lock+0x36/0x1d0 [ 166.193380] rtnetlink_rcv_msg+0x34f/0x8f0 [ 166.197716] ? rtnetlink_put_metrics+0x490/0x490 [ 166.202480] ? find_held_lock+0x36/0x1d0 [ 166.206683] netlink_rcv_skb+0x13e/0x3d0 [ 166.210967] ? lock_downgrade+0x860/0x860 [ 166.215107] ? rtnetlink_put_metrics+0x490/0x490 [ 166.219957] ? netlink_ack+0xa70/0xa70 [ 166.224038] ? netlink_deliver_tap+0x182/0xb00 [ 166.228740] rtnetlink_rcv+0x10/0x20 [ 166.232602] netlink_unicast+0x443/0x650 [ 166.236767] ? netlink_attachskb+0x6c0/0x6c0 [ 166.241163] ? _copy_from_iter_full+0x182/0x720 [ 166.245821] ? __check_object_size+0x1ef/0x310 [ 166.250479] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 166.256731] netlink_sendmsg+0x764/0xc60 [ 166.261327] ? netlink_unicast+0x650/0x650 [ 166.265980] ? apparmor_socket_sendmsg+0x1b/0x20 [ 166.271086] ? netlink_unicast+0x650/0x650 [ 166.275319] sock_sendmsg+0xb5/0xf0 [ 166.278946] ___sys_sendmsg+0x647/0x950 [ 166.282912] ? find_held_lock+0x36/0x1d0 [ 166.287301] ? copy_msghdr_from_user+0x430/0x430 [ 166.292292] ? __fget+0x278/0x400 [ 166.295817] ? kasan_check_read+0x11/0x20 [ 166.300211] ? __fget+0x295/0x400 [ 166.304026] ? expand_files.part.8+0x700/0x700 [ 166.309226] ? __f_unlock_pos+0xd/0x10 [ 166.313226] ? __fget_light+0x174/0x1e0 [ 166.317193] ? __fdget+0xe/0x10 [ 166.320653] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 166.325539] __sys_sendmsg+0xd9/0x180 [ 166.329707] ? __ia32_sys_shutdown+0x70/0x70 [ 166.334457] ? __sb_end_write+0xa4/0xd0 [ 166.338867] ? kasan_check_write+0x14/0x20 [ 166.343591] ? fput+0x18/0x120 [ 166.346933] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.353127] __x64_sys_sendmsg+0x73/0xb0 [ 166.359166] do_syscall_64+0xd0/0x4e0 [ 166.363152] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.368693] RIP: 0033:0x463d89 [ 166.372115] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 166.392272] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.400238] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 166.407667] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 166.416327] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 166.424318] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 166.431966] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 166.442517] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 166.480210] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 166.496601] FAULT_INJECTION: forcing a failure. [ 166.496601] name failslab, interval 1, probability 0, space 0, times 0 [ 166.509496] CPU: 0 PID: 10430 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 166.517383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.526975] Call Trace: [ 166.529767] dump_stack+0x123/0x171 [ 166.533402] should_fail.cold.4+0x5/0xa [ 166.537704] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 166.543712] ? lock_downgrade+0x860/0x860 [ 166.548162] ? ___might_sleep+0x16b/0x270 [ 166.552332] __should_failslab+0xba/0xf0 [ 166.556602] should_failslab+0x9/0x20 [ 166.560585] kmem_cache_alloc_trace+0x2cb/0x740 [ 166.565432] ? qfq_change_class+0xa93/0x14e0 [ 166.570433] ? qfq_change_class+0xa93/0x14e0 [ 166.575412] ? __local_bh_enable_ip+0x160/0x260 [ 166.580275] qfq_change_class+0xad9/0x14e0 [ 166.584606] ? qfq_delete_class+0x2d0/0x2d0 [ 166.589587] ? nla_parse+0x197/0x280 [ 166.593486] tc_ctl_tclass+0x3e9/0xba0 [ 166.597695] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 166.602880] ? find_held_lock+0x36/0x1d0 [ 166.607472] rtnetlink_rcv_msg+0x34f/0x8f0 [ 166.612252] ? rtnetlink_put_metrics+0x490/0x490 [ 166.617533] ? find_held_lock+0x36/0x1d0 [ 166.622208] netlink_rcv_skb+0x13e/0x3d0 [ 166.626472] ? lock_downgrade+0x860/0x860 [ 166.630794] ? rtnetlink_put_metrics+0x490/0x490 [ 166.635554] ? netlink_ack+0xa70/0xa70 [ 166.639746] ? netlink_deliver_tap+0x182/0xb00 [ 166.644659] rtnetlink_rcv+0x10/0x20 [ 166.648383] netlink_unicast+0x443/0x650 [ 166.652582] ? netlink_attachskb+0x6c0/0x6c0 [ 166.657381] ? _copy_from_iter_full+0x182/0x720 [ 166.662338] ? __check_object_size+0x1ef/0x310 [ 166.667112] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 166.672854] netlink_sendmsg+0x764/0xc60 [ 166.676914] ? netlink_unicast+0x650/0x650 [ 166.681340] ? apparmor_socket_sendmsg+0x1b/0x20 [ 166.686199] ? netlink_unicast+0x650/0x650 [ 166.690613] sock_sendmsg+0xb5/0xf0 [ 166.694321] ___sys_sendmsg+0x647/0x950 [ 166.698489] ? find_held_lock+0x36/0x1d0 [ 166.702727] ? copy_msghdr_from_user+0x430/0x430 [ 166.707500] ? __fget+0x278/0x400 [ 166.711170] ? kasan_check_read+0x11/0x20 [ 166.715422] ? __fget+0x295/0x400 [ 166.719062] ? expand_files.part.8+0x700/0x700 [ 166.723630] ? __f_unlock_pos+0xd/0x10 [ 166.727508] ? __fget_light+0x174/0x1e0 [ 166.731559] ? __fdget+0xe/0x10 [ 166.735000] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 166.739833] __sys_sendmsg+0xd9/0x180 [ 166.743879] ? __ia32_sys_shutdown+0x70/0x70 [ 166.748288] ? __sb_end_write+0xa4/0xd0 [ 166.752393] ? kasan_check_write+0x14/0x20 [ 166.756735] ? fput+0x18/0x120 [ 166.760024] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.765484] __x64_sys_sendmsg+0x73/0xb0 [ 166.769793] do_syscall_64+0xd0/0x4e0 [ 166.773667] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.778852] RIP: 0033:0x463d89 [ 166.782242] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 166.801672] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.809635] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 166.816993] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 166.824518] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 166.831864] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 166.839811] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 166.852318] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 166.885976] FAULT_INJECTION: forcing a failure. [ 166.885976] name failslab, interval 1, probability 0, space 0, times 0 [ 166.897887] CPU: 1 PID: 10431 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 166.905857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.915375] Call Trace: [ 166.918086] dump_stack+0x123/0x171 [ 166.921822] should_fail.cold.4+0x5/0xa [ 166.925788] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 166.931012] ? lock_downgrade+0x860/0x860 [ 166.935457] ? ___might_sleep+0x16b/0x270 [ 166.939774] __should_failslab+0xba/0xf0 [ 166.943821] should_failslab+0x9/0x20 [ 166.947715] kmem_cache_alloc_trace+0x2cb/0x740 [ 166.952573] ? qfq_change_class+0xa93/0x14e0 [ 166.956970] ? qfq_change_class+0xa93/0x14e0 [ 166.961479] ? __local_bh_enable_ip+0x160/0x260 [ 166.966370] qfq_change_class+0xad9/0x14e0 [ 166.970889] ? qfq_delete_class+0x2d0/0x2d0 [ 166.975391] ? nla_parse+0x197/0x280 [ 166.979110] tc_ctl_tclass+0x3e9/0xba0 [ 166.983267] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 166.989074] ? find_held_lock+0x36/0x1d0 [ 166.993138] rtnetlink_rcv_msg+0x34f/0x8f0 [ 166.997465] ? rtnetlink_put_metrics+0x490/0x490 [ 167.002519] ? find_held_lock+0x36/0x1d0 [ 167.006855] netlink_rcv_skb+0x13e/0x3d0 [ 167.011227] ? lock_downgrade+0x860/0x860 [ 167.015715] ? rtnetlink_put_metrics+0x490/0x490 [ 167.020791] ? netlink_ack+0xa70/0xa70 [ 167.024800] ? netlink_deliver_tap+0x182/0xb00 [ 167.029381] rtnetlink_rcv+0x10/0x20 [ 167.033178] netlink_unicast+0x443/0x650 [ 167.037769] ? netlink_attachskb+0x6c0/0x6c0 [ 167.042407] ? _copy_from_iter_full+0x182/0x720 [ 167.047071] ? __check_object_size+0x1ef/0x310 [ 167.051977] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 167.057779] netlink_sendmsg+0x764/0xc60 [ 167.061983] ? netlink_unicast+0x650/0x650 [ 167.066618] ? apparmor_socket_sendmsg+0x1b/0x20 [ 167.071635] ? netlink_unicast+0x650/0x650 [ 167.076140] sock_sendmsg+0xb5/0xf0 [ 167.079762] ___sys_sendmsg+0x647/0x950 [ 167.083855] ? find_held_lock+0x36/0x1d0 [ 167.088163] ? copy_msghdr_from_user+0x430/0x430 [ 167.093557] ? __fget+0x278/0x400 [ 167.097276] ? kasan_check_read+0x11/0x20 [ 167.101797] ? __fget+0x295/0x400 [ 167.105554] ? expand_files.part.8+0x700/0x700 [ 167.110335] ? __f_unlock_pos+0xd/0x10 [ 167.114215] ? __fget_light+0x174/0x1e0 [ 167.118277] ? __fdget+0xe/0x10 [ 167.121780] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 167.127676] __sys_sendmsg+0xd9/0x180 [ 167.132054] ? __ia32_sys_shutdown+0x70/0x70 [ 167.136623] ? __sb_end_write+0xa4/0xd0 [ 167.140838] ? kasan_check_write+0x14/0x20 [ 167.145350] ? fput+0x18/0x120 [ 167.148534] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.154090] __x64_sys_sendmsg+0x73/0xb0 [ 167.158639] do_syscall_64+0xd0/0x4e0 [ 167.162804] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.167981] RIP: 0033:0x463d89 [ 167.171432] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 167.191094] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.198800] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 167.206407] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 167.213791] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 167.221251] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 167.228976] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 167.239094] FAULT_INJECTION: forcing a failure. [ 167.239094] name failslab, interval 1, probability 0, space 0, times 0 [ 167.256757] CPU: 1 PID: 10441 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 167.264775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.274559] Call Trace: [ 167.277352] dump_stack+0x123/0x171 [ 167.281057] should_fail.cold.4+0x5/0xa [ 167.285262] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 167.290387] ? lock_downgrade+0x860/0x860 [ 167.294822] ? ___might_sleep+0x16b/0x270 [ 167.298959] __should_failslab+0xba/0xf0 [ 167.303209] should_failslab+0x9/0x20 [ 167.307030] kmem_cache_alloc_trace+0x2cb/0x740 [ 167.311783] ? qfq_change_class+0xa93/0x14e0 [ 167.316401] ? qfq_change_class+0xa93/0x14e0 [ 167.321104] ? __local_bh_enable_ip+0x160/0x260 [ 167.325872] qfq_change_class+0xad9/0x14e0 [ 167.330101] ? qfq_delete_class+0x2d0/0x2d0 [ 167.334498] ? nla_parse+0x197/0x280 [ 167.338315] tc_ctl_tclass+0x3e9/0xba0 [ 167.342190] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 167.347718] ? find_held_lock+0x36/0x1d0 [ 167.352198] rtnetlink_rcv_msg+0x34f/0x8f0 [ 167.356751] ? rtnetlink_put_metrics+0x490/0x490 [ 167.361813] ? find_held_lock+0x36/0x1d0 [ 167.366085] netlink_rcv_skb+0x13e/0x3d0 [ 167.370224] ? lock_downgrade+0x860/0x860 [ 167.374717] ? rtnetlink_put_metrics+0x490/0x490 [ 167.380015] ? netlink_ack+0xa70/0xa70 [ 167.383891] ? netlink_deliver_tap+0x182/0xb00 [ 167.388593] rtnetlink_rcv+0x10/0x20 [ 167.392380] netlink_unicast+0x443/0x650 [ 167.396644] ? netlink_attachskb+0x6c0/0x6c0 [ 167.401417] ? _copy_from_iter_full+0x182/0x720 [ 167.406087] ? __check_object_size+0x1ef/0x310 [ 167.410858] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 167.416513] netlink_sendmsg+0x764/0xc60 [ 167.420832] ? netlink_unicast+0x650/0x650 [ 167.425152] ? apparmor_socket_sendmsg+0x1b/0x20 [ 167.430074] ? netlink_unicast+0x650/0x650 [ 167.434314] sock_sendmsg+0xb5/0xf0 [ 167.438319] ___sys_sendmsg+0x647/0x950 [ 167.442541] ? find_held_lock+0x36/0x1d0 [ 167.446884] ? copy_msghdr_from_user+0x430/0x430 [ 167.452273] ? __fget+0x278/0x400 [ 167.456030] ? kasan_check_read+0x11/0x20 [ 167.460291] ? __fget+0x295/0x400 [ 167.463737] ? expand_files.part.8+0x700/0x700 [ 167.468491] ? __f_unlock_pos+0xd/0x10 [ 167.473033] ? __fget_light+0x174/0x1e0 [ 167.477130] ? __fdget+0xe/0x10 [ 167.480402] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 167.485526] __sys_sendmsg+0xd9/0x180 [ 167.489335] ? __ia32_sys_shutdown+0x70/0x70 [ 167.494051] ? __sb_end_write+0xa4/0xd0 [ 167.498027] ? kasan_check_write+0x14/0x20 [ 167.502583] ? fput+0x18/0x120 [ 167.505950] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.511634] __x64_sys_sendmsg+0x73/0xb0 [ 167.515837] do_syscall_64+0xd0/0x4e0 [ 167.519632] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.524805] RIP: 0033:0x463d89 [ 167.527981] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 167.547565] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.556248] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 167.564011] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 167.572075] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 167.579339] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 167.586603] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 167.604862] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 167.630311] FAULT_INJECTION: forcing a failure. [ 167.630311] name failslab, interval 1, probability 0, space 0, times 0 [ 167.650850] CPU: 0 PID: 10451 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 167.658872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.668591] Call Trace: [ 167.671347] dump_stack+0x123/0x171 [ 167.675161] should_fail.cold.4+0x5/0xa [ 167.679248] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 167.684341] ? lock_downgrade+0x860/0x860 [ 167.688528] ? ___might_sleep+0x16b/0x270 [ 167.692980] __should_failslab+0xba/0xf0 [ 167.697162] should_failslab+0x9/0x20 [ 167.701255] kmem_cache_alloc_trace+0x2cb/0x740 [ 167.706623] ? qfq_change_class+0xa93/0x14e0 [ 167.711122] ? qfq_change_class+0xa93/0x14e0 [ 167.715803] ? __local_bh_enable_ip+0x160/0x260 [ 167.720660] qfq_change_class+0xad9/0x14e0 [ 167.724904] ? qfq_delete_class+0x2d0/0x2d0 [ 167.729737] ? nla_parse+0x197/0x280 [ 167.733672] tc_ctl_tclass+0x3e9/0xba0 [ 167.737757] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 167.742953] ? find_held_lock+0x36/0x1d0 [ 167.747029] rtnetlink_rcv_msg+0x34f/0x8f0 [ 167.751723] ? rtnetlink_put_metrics+0x490/0x490 [ 167.756882] ? find_held_lock+0x36/0x1d0 [ 167.761184] netlink_rcv_skb+0x13e/0x3d0 [ 167.765259] ? lock_downgrade+0x860/0x860 [ 167.769499] ? rtnetlink_put_metrics+0x490/0x490 [ 167.775013] ? netlink_ack+0xa70/0xa70 [ 167.779216] ? netlink_deliver_tap+0x182/0xb00 [ 167.784127] rtnetlink_rcv+0x10/0x20 [ 167.787931] netlink_unicast+0x443/0x650 [ 167.792260] ? netlink_attachskb+0x6c0/0x6c0 [ 167.796928] ? _copy_from_iter_full+0x182/0x720 [ 167.801769] ? __check_object_size+0x1ef/0x310 [ 167.806753] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 167.812637] netlink_sendmsg+0x764/0xc60 [ 167.816836] ? netlink_unicast+0x650/0x650 [ 167.821461] ? apparmor_socket_sendmsg+0x1b/0x20 [ 167.826737] ? netlink_unicast+0x650/0x650 [ 167.831297] sock_sendmsg+0xb5/0xf0 [ 167.835007] ___sys_sendmsg+0x647/0x950 [ 167.839088] ? find_held_lock+0x36/0x1d0 [ 167.843153] ? copy_msghdr_from_user+0x430/0x430 [ 167.848015] ? __fget+0x278/0x400 [ 167.851707] ? kasan_check_read+0x11/0x20 [ 167.855965] ? __fget+0x295/0x400 [ 167.859522] ? expand_files.part.8+0x700/0x700 [ 167.864103] ? __f_unlock_pos+0xd/0x10 [ 167.868069] ? __fget_light+0x174/0x1e0 [ 167.872575] ? __fdget+0xe/0x10 [ 167.875964] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 167.881059] __sys_sendmsg+0xd9/0x180 [ 167.885112] ? __ia32_sys_shutdown+0x70/0x70 [ 167.890225] ? __sb_end_write+0xa4/0xd0 [ 167.894294] ? kasan_check_write+0x14/0x20 [ 167.898916] ? fput+0x18/0x120 [ 167.902411] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.908919] __x64_sys_sendmsg+0x73/0xb0 [ 167.913278] do_syscall_64+0xd0/0x4e0 [ 167.917102] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.922378] RIP: 0033:0x463d89 [ 167.925589] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 167.945242] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.953034] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 167.960521] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 167.968161] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 167.975898] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 167.983525] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 167.994138] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 168.014135] FAULT_INJECTION: forcing a failure. [ 168.014135] name failslab, interval 1, probability 0, space 0, times 0 [ 168.028559] CPU: 0 PID: 10461 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 168.036558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.046139] Call Trace: [ 168.048735] dump_stack+0x123/0x171 [ 168.052904] should_fail.cold.4+0x5/0xa [ 168.057075] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 168.062578] ? lock_downgrade+0x860/0x860 [ 168.066827] ? ___might_sleep+0x16b/0x270 [ 168.071214] __should_failslab+0xba/0xf0 [ 168.075359] should_failslab+0x9/0x20 [ 168.079152] kmem_cache_alloc_trace+0x2cb/0x740 [ 168.083850] ? qfq_change_class+0xa93/0x14e0 [ 168.088478] ? qfq_change_class+0xa93/0x14e0 [ 168.093020] ? __local_bh_enable_ip+0x160/0x260 [ 168.097966] qfq_change_class+0xad9/0x14e0 [ 168.102632] ? qfq_delete_class+0x2d0/0x2d0 [ 168.107543] ? nla_parse+0x197/0x280 [ 168.111390] tc_ctl_tclass+0x3e9/0xba0 [ 168.115575] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 168.121045] ? find_held_lock+0x36/0x1d0 [ 168.125206] rtnetlink_rcv_msg+0x34f/0x8f0 [ 168.129712] ? rtnetlink_put_metrics+0x490/0x490 [ 168.135032] ? find_held_lock+0x36/0x1d0 [ 168.139352] netlink_rcv_skb+0x13e/0x3d0 [ 168.143685] ? lock_downgrade+0x860/0x860 [ 168.148097] ? rtnetlink_put_metrics+0x490/0x490 [ 168.152857] ? netlink_ack+0xa70/0xa70 [ 168.156938] ? netlink_deliver_tap+0x182/0xb00 [ 168.161813] rtnetlink_rcv+0x10/0x20 [ 168.165563] netlink_unicast+0x443/0x650 [ 168.169949] ? netlink_attachskb+0x6c0/0x6c0 [ 168.174726] ? _copy_from_iter_full+0x182/0x720 [ 168.179477] ? __check_object_size+0x1ef/0x310 [ 168.184659] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 168.190324] netlink_sendmsg+0x764/0xc60 [ 168.194479] ? netlink_unicast+0x650/0x650 [ 168.198885] ? apparmor_socket_sendmsg+0x1b/0x20 [ 168.204045] ? netlink_unicast+0x650/0x650 [ 168.208272] sock_sendmsg+0xb5/0xf0 [ 168.211901] ___sys_sendmsg+0x647/0x950 [ 168.215879] ? find_held_lock+0x36/0x1d0 [ 168.219960] ? copy_msghdr_from_user+0x430/0x430 [ 168.224955] ? __fget+0x278/0x400 [ 168.228807] ? kasan_check_read+0x11/0x20 [ 168.233168] ? __fget+0x295/0x400 [ 168.236890] ? expand_files.part.8+0x700/0x700 [ 168.241608] ? __f_unlock_pos+0xd/0x10 [ 168.245483] ? __fget_light+0x174/0x1e0 [ 168.249548] ? __fdget+0xe/0x10 [ 168.253117] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 168.258460] __sys_sendmsg+0xd9/0x180 [ 168.262256] ? __ia32_sys_shutdown+0x70/0x70 [ 168.266836] ? __sb_end_write+0xa4/0xd0 [ 168.271057] ? kasan_check_write+0x14/0x20 [ 168.275329] ? fput+0x18/0x120 [ 168.278510] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.284025] __x64_sys_sendmsg+0x73/0xb0 [ 168.288917] do_syscall_64+0xd0/0x4e0 [ 168.292816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.298009] RIP: 0033:0x463d89 [ 168.301570] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 168.320971] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.329568] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 168.337425] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 168.344822] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 168.352085] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 168.361729] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 168.384286] FAULT_INJECTION: forcing a failure. [ 168.384286] name failslab, interval 1, probability 0, space 0, times 0 [ 168.407597] CPU: 1 PID: 10475 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 168.415877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.425832] Call Trace: [ 168.428790] dump_stack+0x123/0x171 [ 168.432410] should_fail.cold.4+0x5/0xa [ 168.436506] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 168.441618] ? lock_downgrade+0x860/0x860 [ 168.445813] ? ___might_sleep+0x16b/0x270 [ 168.449961] __should_failslab+0xba/0xf0 [ 168.454497] should_failslab+0x9/0x20 [ 168.458734] kmem_cache_alloc_trace+0x2cb/0x740 [ 168.463407] ? qfq_change_class+0xa93/0x14e0 [ 168.467925] ? qfq_change_class+0xa93/0x14e0 [ 168.473026] ? __local_bh_enable_ip+0x160/0x260 [ 168.477789] qfq_change_class+0xad9/0x14e0 [ 168.482331] ? qfq_delete_class+0x2d0/0x2d0 [ 168.486921] ? nla_parse+0x197/0x280 [ 168.490813] tc_ctl_tclass+0x3e9/0xba0 [ 168.494899] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 168.500080] ? find_held_lock+0x36/0x1d0 [ 168.504313] rtnetlink_rcv_msg+0x34f/0x8f0 [ 168.508731] ? rtnetlink_put_metrics+0x490/0x490 [ 168.513677] ? find_held_lock+0x36/0x1d0 [ 168.517882] netlink_rcv_skb+0x13e/0x3d0 [ 168.521947] ? lock_downgrade+0x860/0x860 [ 168.526404] ? rtnetlink_put_metrics+0x490/0x490 [ 168.531323] ? netlink_ack+0xa70/0xa70 [ 168.535332] ? netlink_deliver_tap+0x182/0xb00 [ 168.540003] rtnetlink_rcv+0x10/0x20 [ 168.543906] netlink_unicast+0x443/0x650 [ 168.547987] ? netlink_attachskb+0x6c0/0x6c0 [ 168.552567] ? _copy_from_iter_full+0x182/0x720 [ 168.557684] ? __check_object_size+0x1ef/0x310 [ 168.562469] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 168.568036] netlink_sendmsg+0x764/0xc60 [ 168.572395] ? netlink_unicast+0x650/0x650 [ 168.576999] ? apparmor_socket_sendmsg+0x1b/0x20 [ 168.582053] ? netlink_unicast+0x650/0x650 [ 168.586608] sock_sendmsg+0xb5/0xf0 [ 168.590781] ___sys_sendmsg+0x647/0x950 [ 168.594760] ? find_held_lock+0x36/0x1d0 [ 168.598900] ? copy_msghdr_from_user+0x430/0x430 [ 168.604042] ? __fget+0x278/0x400 [ 168.607684] ? kasan_check_read+0x11/0x20 [ 168.612069] ? __fget+0x295/0x400 [ 168.615587] ? expand_files.part.8+0x700/0x700 [ 168.620487] ? __f_unlock_pos+0xd/0x10 [ 168.624379] ? __fget_light+0x174/0x1e0 [ 168.628454] ? __fdget+0xe/0x10 [ 168.631741] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 168.636745] __sys_sendmsg+0xd9/0x180 [ 168.640649] ? __ia32_sys_shutdown+0x70/0x70 [ 168.645199] ? __sb_end_write+0xa4/0xd0 [ 168.649173] ? kasan_check_write+0x14/0x20 [ 168.653497] ? fput+0x18/0x120 [ 168.656685] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.662206] __x64_sys_sendmsg+0x73/0xb0 [ 168.666481] do_syscall_64+0xd0/0x4e0 [ 168.670512] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.676429] RIP: 0033:0x463d89 [ 168.679786] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 168.699736] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.708090] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 168.715707] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 168.723396] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 168.730917] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 168.738273] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 168.776809] FAULT_INJECTION: forcing a failure. [ 168.776809] name failslab, interval 1, probability 0, space 0, times 0 [ 168.789768] CPU: 0 PID: 10485 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 168.798214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.808581] Call Trace: [ 168.811600] dump_stack+0x123/0x171 [ 168.815263] should_fail.cold.4+0x5/0xa [ 168.819594] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 168.825745] ? lock_downgrade+0x860/0x860 [ 168.830166] ? ___might_sleep+0x16b/0x270 [ 168.834510] __should_failslab+0xba/0xf0 [ 168.838744] should_failslab+0x9/0x20 [ 168.842543] kmem_cache_alloc_trace+0x2cb/0x740 [ 168.847629] ? qfq_change_class+0xa93/0x14e0 [ 168.853235] ? qfq_change_class+0xa93/0x14e0 [ 168.858011] ? __local_bh_enable_ip+0x160/0x260 [ 168.862911] qfq_change_class+0xad9/0x14e0 [ 168.867371] ? qfq_delete_class+0x2d0/0x2d0 [ 168.871969] ? nla_parse+0x197/0x280 [ 168.875716] tc_ctl_tclass+0x3e9/0xba0 [ 168.879711] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 168.885004] ? find_held_lock+0x36/0x1d0 [ 168.889062] rtnetlink_rcv_msg+0x34f/0x8f0 [ 168.893490] ? rtnetlink_put_metrics+0x490/0x490 [ 168.898241] ? find_held_lock+0x36/0x1d0 [ 168.902543] netlink_rcv_skb+0x13e/0x3d0 [ 168.906786] ? lock_downgrade+0x860/0x860 [ 168.911324] ? rtnetlink_put_metrics+0x490/0x490 [ 168.916473] ? netlink_ack+0xa70/0xa70 [ 168.920826] ? netlink_deliver_tap+0x182/0xb00 [ 168.925632] rtnetlink_rcv+0x10/0x20 [ 168.929471] netlink_unicast+0x443/0x650 [ 168.933672] ? netlink_attachskb+0x6c0/0x6c0 [ 168.938329] ? _copy_from_iter_full+0x182/0x720 [ 168.943160] ? __check_object_size+0x1ef/0x310 [ 168.947825] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 168.953620] netlink_sendmsg+0x764/0xc60 [ 168.957672] ? netlink_unicast+0x650/0x650 [ 168.961908] ? apparmor_socket_sendmsg+0x1b/0x20 [ 168.966656] ? netlink_unicast+0x650/0x650 [ 168.971053] sock_sendmsg+0xb5/0xf0 [ 168.974980] ___sys_sendmsg+0x647/0x950 [ 168.979043] ? find_held_lock+0x36/0x1d0 [ 168.983122] ? copy_msghdr_from_user+0x430/0x430 [ 168.988320] ? __fget+0x278/0x400 [ 168.991775] ? kasan_check_read+0x11/0x20 [ 168.996051] ? __fget+0x295/0x400 [ 168.999500] ? expand_files.part.8+0x700/0x700 [ 169.004353] ? __f_unlock_pos+0xd/0x10 [ 169.008406] ? __fget_light+0x174/0x1e0 [ 169.012376] ? __fdget+0xe/0x10 [ 169.015665] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 169.020803] __sys_sendmsg+0xd9/0x180 [ 169.024793] ? __ia32_sys_shutdown+0x70/0x70 [ 169.029238] ? __sb_end_write+0xa4/0xd0 [ 169.033203] ? kasan_check_write+0x14/0x20 [ 169.037435] ? fput+0x18/0x120 [ 169.040742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.046206] __x64_sys_sendmsg+0x73/0xb0 [ 169.050357] do_syscall_64+0xd0/0x4e0 [ 169.054155] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.059530] RIP: 0033:0x463d89 [ 169.063116] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 169.083226] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.091315] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 169.098773] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 169.106445] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 169.114046] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 169.121597] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 169.157586] FAULT_INJECTION: forcing a failure. [ 169.157586] name failslab, interval 1, probability 0, space 0, times 0 [ 169.174714] CPU: 1 PID: 10499 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 169.182705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.193071] Call Trace: [ 169.195697] dump_stack+0x123/0x171 [ 169.199570] should_fail.cold.4+0x5/0xa [ 169.204138] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 169.209317] ? lock_downgrade+0x860/0x860 [ 169.213455] ? ___might_sleep+0x16b/0x270 [ 169.217716] __should_failslab+0xba/0xf0 [ 169.222357] should_failslab+0x9/0x20 [ 169.226243] kmem_cache_alloc_trace+0x2cb/0x740 [ 169.231089] ? qfq_change_class+0xa93/0x14e0 [ 169.235610] ? qfq_change_class+0xa93/0x14e0 [ 169.240227] ? __local_bh_enable_ip+0x160/0x260 [ 169.244893] qfq_change_class+0xad9/0x14e0 [ 169.249154] ? qfq_delete_class+0x2d0/0x2d0 [ 169.253567] ? nla_parse+0x197/0x280 [ 169.257358] tc_ctl_tclass+0x3e9/0xba0 [ 169.261564] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 169.266663] ? find_held_lock+0x36/0x1d0 [ 169.271024] rtnetlink_rcv_msg+0x34f/0x8f0 [ 169.275427] ? rtnetlink_put_metrics+0x490/0x490 [ 169.280173] ? find_held_lock+0x36/0x1d0 [ 169.284229] netlink_rcv_skb+0x13e/0x3d0 [ 169.288303] ? lock_downgrade+0x860/0x860 [ 169.292974] ? rtnetlink_put_metrics+0x490/0x490 [ 169.297828] ? netlink_ack+0xa70/0xa70 [ 169.301798] ? netlink_deliver_tap+0x182/0xb00 [ 169.306461] rtnetlink_rcv+0x10/0x20 [ 169.310170] netlink_unicast+0x443/0x650 [ 169.314404] ? netlink_attachskb+0x6c0/0x6c0 [ 169.318915] ? _copy_from_iter_full+0x182/0x720 [ 169.324047] ? __check_object_size+0x1ef/0x310 [ 169.328910] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 169.334618] netlink_sendmsg+0x764/0xc60 [ 169.338978] ? netlink_unicast+0x650/0x650 [ 169.343758] ? apparmor_socket_sendmsg+0x1b/0x20 [ 169.348762] ? netlink_unicast+0x650/0x650 [ 169.353898] sock_sendmsg+0xb5/0xf0 [ 169.358395] ___sys_sendmsg+0x647/0x950 [ 169.363138] ? find_held_lock+0x36/0x1d0 [ 169.367570] ? copy_msghdr_from_user+0x430/0x430 [ 169.372373] ? __fget+0x278/0x400 [ 169.376222] ? kasan_check_read+0x11/0x20 [ 169.380921] ? __fget+0x295/0x400 [ 169.384383] ? expand_files.part.8+0x700/0x700 [ 169.388977] ? __f_unlock_pos+0xd/0x10 [ 169.392852] ? __fget_light+0x174/0x1e0 [ 169.396842] ? __fdget+0xe/0x10 [ 169.400347] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 169.405270] __sys_sendmsg+0xd9/0x180 [ 169.409388] ? __ia32_sys_shutdown+0x70/0x70 [ 169.413875] ? __sb_end_write+0xa4/0xd0 [ 169.418207] ? kasan_check_write+0x14/0x20 [ 169.422780] ? fput+0x18/0x120 [ 169.426252] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.431877] __x64_sys_sendmsg+0x73/0xb0 [ 169.436075] do_syscall_64+0xd0/0x4e0 [ 169.440655] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.446079] RIP: 0033:0x463d89 2021/04/24 20:08:24 executed programs: 337 [ 169.449273] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 169.468779] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.476482] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 169.484196] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 169.491494] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 169.499292] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 169.507323] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 169.523073] FAULT_INJECTION: forcing a failure. [ 169.523073] name failslab, interval 1, probability 0, space 0, times 0 [ 169.542626] CPU: 1 PID: 10500 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 169.550628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.560373] Call Trace: [ 169.562967] dump_stack+0x123/0x171 [ 169.566837] should_fail.cold.4+0x5/0xa [ 169.571013] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 169.576196] ? lock_downgrade+0x860/0x860 [ 169.580333] ? ___might_sleep+0x16b/0x270 [ 169.584470] __should_failslab+0xba/0xf0 [ 169.588704] should_failslab+0x9/0x20 [ 169.592490] kmem_cache_alloc_trace+0x2cb/0x740 [ 169.597248] ? qfq_change_class+0xa93/0x14e0 [ 169.601829] ? qfq_change_class+0xa93/0x14e0 [ 169.606436] ? __local_bh_enable_ip+0x160/0x260 [ 169.611288] qfq_change_class+0xad9/0x14e0 [ 169.615692] ? qfq_delete_class+0x2d0/0x2d0 [ 169.620105] ? nla_parse+0x197/0x280 [ 169.623927] tc_ctl_tclass+0x3e9/0xba0 [ 169.627817] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 169.633021] ? find_held_lock+0x36/0x1d0 [ 169.637188] rtnetlink_rcv_msg+0x34f/0x8f0 [ 169.641423] ? rtnetlink_put_metrics+0x490/0x490 [ 169.646268] ? find_held_lock+0x36/0x1d0 [ 169.650318] netlink_rcv_skb+0x13e/0x3d0 [ 169.654365] ? lock_downgrade+0x860/0x860 [ 169.658506] ? rtnetlink_put_metrics+0x490/0x490 [ 169.663335] ? netlink_ack+0xa70/0xa70 [ 169.667379] ? netlink_deliver_tap+0x182/0xb00 [ 169.672034] rtnetlink_rcv+0x10/0x20 [ 169.676200] netlink_unicast+0x443/0x650 [ 169.680345] ? netlink_attachskb+0x6c0/0x6c0 [ 169.684751] ? _copy_from_iter_full+0x182/0x720 [ 169.689515] ? __check_object_size+0x1ef/0x310 [ 169.694096] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 169.699641] netlink_sendmsg+0x764/0xc60 [ 169.703954] ? netlink_unicast+0x650/0x650 [ 169.708380] ? apparmor_socket_sendmsg+0x1b/0x20 [ 169.713218] ? netlink_unicast+0x650/0x650 [ 169.717438] sock_sendmsg+0xb5/0xf0 [ 169.721066] ___sys_sendmsg+0x647/0x950 [ 169.725129] ? find_held_lock+0x36/0x1d0 [ 169.729176] ? copy_msghdr_from_user+0x430/0x430 [ 169.734221] ? __fget+0x278/0x400 [ 169.737672] ? kasan_check_read+0x11/0x20 [ 169.741817] ? __fget+0x295/0x400 [ 169.745263] ? expand_files.part.8+0x700/0x700 [ 169.750009] ? __f_unlock_pos+0xd/0x10 [ 169.754057] ? __fget_light+0x174/0x1e0 [ 169.758114] ? __fdget+0xe/0x10 [ 169.761468] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 169.766390] __sys_sendmsg+0xd9/0x180 [ 169.770173] ? __ia32_sys_shutdown+0x70/0x70 [ 169.774566] ? __sb_end_write+0xa4/0xd0 [ 169.778977] ? kasan_check_write+0x14/0x20 [ 169.783297] ? fput+0x18/0x120 [ 169.786577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.791983] __x64_sys_sendmsg+0x73/0xb0 [ 169.796171] do_syscall_64+0xd0/0x4e0 [ 169.799964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.805309] RIP: 0033:0x463d89 [ 169.808479] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 169.827712] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.835554] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 169.843025] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 169.850453] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 169.857831] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 169.865632] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 169.876155] nla_parse: 4 callbacks suppressed [ 169.876159] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 169.901987] FAULT_INJECTION: forcing a failure. [ 169.901987] name failslab, interval 1, probability 0, space 0, times 0 [ 169.914403] CPU: 1 PID: 10510 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 169.922561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.932053] Call Trace: [ 169.934730] dump_stack+0x123/0x171 [ 169.938361] should_fail.cold.4+0x5/0xa [ 169.942407] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 169.947766] ? lock_downgrade+0x860/0x860 [ 169.952120] ? ___might_sleep+0x16b/0x270 [ 169.956268] __should_failslab+0xba/0xf0 [ 169.960329] should_failslab+0x9/0x20 [ 169.964409] kmem_cache_alloc_trace+0x2cb/0x740 [ 169.969071] ? qfq_change_class+0xa93/0x14e0 [ 169.973569] ? qfq_change_class+0xa93/0x14e0 [ 169.978017] ? __local_bh_enable_ip+0x160/0x260 [ 169.982673] qfq_change_class+0xad9/0x14e0 [ 169.987091] ? qfq_delete_class+0x2d0/0x2d0 [ 169.991404] ? nla_parse+0x197/0x280 [ 169.995299] tc_ctl_tclass+0x3e9/0xba0 [ 169.999180] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 170.004363] ? find_held_lock+0x36/0x1d0 [ 170.009220] rtnetlink_rcv_msg+0x34f/0x8f0 [ 170.013592] ? rtnetlink_put_metrics+0x490/0x490 [ 170.018444] ? find_held_lock+0x36/0x1d0 [ 170.022573] netlink_rcv_skb+0x13e/0x3d0 [ 170.026969] ? lock_downgrade+0x860/0x860 [ 170.031108] ? rtnetlink_put_metrics+0x490/0x490 [ 170.036111] ? netlink_ack+0xa70/0xa70 [ 170.039987] ? netlink_deliver_tap+0x182/0xb00 [ 170.044842] rtnetlink_rcv+0x10/0x20 [ 170.048568] netlink_unicast+0x443/0x650 [ 170.052643] ? netlink_attachskb+0x6c0/0x6c0 [ 170.057079] ? _copy_from_iter_full+0x182/0x720 [ 170.062330] ? __check_object_size+0x1ef/0x310 [ 170.067273] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 170.072825] netlink_sendmsg+0x764/0xc60 [ 170.077036] ? netlink_unicast+0x650/0x650 [ 170.081538] ? apparmor_socket_sendmsg+0x1b/0x20 [ 170.086293] ? netlink_unicast+0x650/0x650 [ 170.090777] sock_sendmsg+0xb5/0xf0 [ 170.094585] ___sys_sendmsg+0x647/0x950 [ 170.098724] ? find_held_lock+0x36/0x1d0 [ 170.102963] ? copy_msghdr_from_user+0x430/0x430 [ 170.107888] ? __fget+0x278/0x400 [ 170.111717] ? kasan_check_read+0x11/0x20 [ 170.115979] ? __fget+0x295/0x400 [ 170.119528] ? expand_files.part.8+0x700/0x700 [ 170.124139] ? __f_unlock_pos+0xd/0x10 [ 170.128235] ? __fget_light+0x174/0x1e0 [ 170.132331] ? __fdget+0xe/0x10 [ 170.135693] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 170.140876] __sys_sendmsg+0xd9/0x180 [ 170.144678] ? __ia32_sys_shutdown+0x70/0x70 [ 170.149183] ? __sb_end_write+0xa4/0xd0 [ 170.153252] ? kasan_check_write+0x14/0x20 [ 170.157648] ? fput+0x18/0x120 [ 170.161090] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.166728] __x64_sys_sendmsg+0x73/0xb0 [ 170.170871] do_syscall_64+0xd0/0x4e0 [ 170.174677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.180025] RIP: 0033:0x463d89 [ 170.183470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 170.202840] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.210782] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 170.218242] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 170.225513] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 170.233017] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 170.240900] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 170.260288] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 170.276899] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 170.307841] FAULT_INJECTION: forcing a failure. [ 170.307841] name failslab, interval 1, probability 0, space 0, times 0 [ 170.320572] CPU: 0 PID: 10520 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 170.329400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.338758] Call Trace: [ 170.341466] dump_stack+0x123/0x171 [ 170.345710] should_fail.cold.4+0x5/0xa [ 170.350062] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 170.355539] ? lock_downgrade+0x860/0x860 [ 170.360749] ? ___might_sleep+0x16b/0x270 [ 170.365453] __should_failslab+0xba/0xf0 [ 170.369792] should_failslab+0x9/0x20 [ 170.374507] kmem_cache_alloc_trace+0x2cb/0x740 [ 170.379819] ? qfq_change_class+0xa93/0x14e0 [ 170.384222] ? qfq_change_class+0xa93/0x14e0 [ 170.388647] ? __local_bh_enable_ip+0x160/0x260 [ 170.393662] qfq_change_class+0xad9/0x14e0 [ 170.398046] ? qfq_delete_class+0x2d0/0x2d0 [ 170.402553] ? nla_parse+0x197/0x280 [ 170.406831] tc_ctl_tclass+0x3e9/0xba0 [ 170.410899] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 170.416122] ? find_held_lock+0x36/0x1d0 [ 170.420188] rtnetlink_rcv_msg+0x34f/0x8f0 [ 170.424508] ? rtnetlink_put_metrics+0x490/0x490 [ 170.429519] ? find_held_lock+0x36/0x1d0 [ 170.433675] netlink_rcv_skb+0x13e/0x3d0 [ 170.437760] ? lock_downgrade+0x860/0x860 [ 170.441895] ? rtnetlink_put_metrics+0x490/0x490 [ 170.446852] ? netlink_ack+0xa70/0xa70 [ 170.450758] ? netlink_deliver_tap+0x182/0xb00 [ 170.455459] rtnetlink_rcv+0x10/0x20 [ 170.459740] netlink_unicast+0x443/0x650 [ 170.464301] ? netlink_attachskb+0x6c0/0x6c0 [ 170.469291] ? _copy_from_iter_full+0x182/0x720 [ 170.474169] ? __check_object_size+0x1ef/0x310 [ 170.478745] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 170.484606] netlink_sendmsg+0x764/0xc60 [ 170.489408] ? netlink_unicast+0x650/0x650 [ 170.493688] ? apparmor_socket_sendmsg+0x1b/0x20 [ 170.498622] ? netlink_unicast+0x650/0x650 [ 170.502953] sock_sendmsg+0xb5/0xf0 [ 170.506583] ___sys_sendmsg+0x647/0x950 [ 170.510691] ? find_held_lock+0x36/0x1d0 [ 170.515188] ? copy_msghdr_from_user+0x430/0x430 [ 170.520166] ? __fget+0x278/0x400 [ 170.523867] ? kasan_check_read+0x11/0x20 [ 170.528646] ? __fget+0x295/0x400 [ 170.532199] ? expand_files.part.8+0x700/0x700 [ 170.537271] ? __f_unlock_pos+0xd/0x10 [ 170.541518] ? __fget_light+0x174/0x1e0 [ 170.546047] ? __fdget+0xe/0x10 [ 170.549315] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 170.554153] __sys_sendmsg+0xd9/0x180 [ 170.558027] ? __ia32_sys_shutdown+0x70/0x70 [ 170.562624] ? __sb_end_write+0xa4/0xd0 [ 170.566845] ? kasan_check_write+0x14/0x20 [ 170.571495] ? fput+0x18/0x120 [ 170.574782] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.580792] __x64_sys_sendmsg+0x73/0xb0 [ 170.585003] do_syscall_64+0xd0/0x4e0 [ 170.589532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.594895] RIP: 0033:0x463d89 [ 170.598265] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 170.618491] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.626554] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 170.634415] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 170.642017] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 170.649635] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 170.657165] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 170.672116] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 170.698529] FAULT_INJECTION: forcing a failure. [ 170.698529] name failslab, interval 1, probability 0, space 0, times 0 [ 170.710346] CPU: 1 PID: 10530 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 170.718593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.727943] Call Trace: [ 170.730524] dump_stack+0x123/0x171 [ 170.734140] should_fail.cold.4+0x5/0xa [ 170.738121] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 170.743242] ? lock_downgrade+0x860/0x860 [ 170.747384] ? ___might_sleep+0x16b/0x270 [ 170.751708] __should_failslab+0xba/0xf0 [ 170.755930] should_failslab+0x9/0x20 [ 170.759721] kmem_cache_alloc_trace+0x2cb/0x740 [ 170.764702] ? qfq_change_class+0xa93/0x14e0 [ 170.769748] ? qfq_change_class+0xa93/0x14e0 [ 170.774412] ? __local_bh_enable_ip+0x160/0x260 [ 170.779760] qfq_change_class+0xad9/0x14e0 [ 170.784157] ? qfq_delete_class+0x2d0/0x2d0 [ 170.788799] ? nla_parse+0x197/0x280 [ 170.792998] tc_ctl_tclass+0x3e9/0xba0 [ 170.797021] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 170.802116] ? find_held_lock+0x36/0x1d0 [ 170.806304] rtnetlink_rcv_msg+0x34f/0x8f0 [ 170.810792] ? rtnetlink_put_metrics+0x490/0x490 [ 170.815755] ? find_held_lock+0x36/0x1d0 [ 170.819837] netlink_rcv_skb+0x13e/0x3d0 [ 170.823892] ? lock_downgrade+0x860/0x860 [ 170.828215] ? rtnetlink_put_metrics+0x490/0x490 [ 170.833492] ? netlink_ack+0xa70/0xa70 [ 170.837367] ? netlink_deliver_tap+0x182/0xb00 [ 170.842060] rtnetlink_rcv+0x10/0x20 [ 170.845948] netlink_unicast+0x443/0x650 [ 170.850187] ? netlink_attachskb+0x6c0/0x6c0 [ 170.854595] ? _copy_from_iter_full+0x182/0x720 [ 170.859776] ? __check_object_size+0x1ef/0x310 [ 170.864437] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 170.870140] netlink_sendmsg+0x764/0xc60 [ 170.874312] ? netlink_unicast+0x650/0x650 [ 170.878545] ? apparmor_socket_sendmsg+0x1b/0x20 [ 170.883692] ? netlink_unicast+0x650/0x650 [ 170.888101] sock_sendmsg+0xb5/0xf0 [ 170.891784] ___sys_sendmsg+0x647/0x950 [ 170.895836] ? find_held_lock+0x36/0x1d0 [ 170.899973] ? copy_msghdr_from_user+0x430/0x430 [ 170.904716] ? __fget+0x278/0x400 [ 170.908501] ? kasan_check_read+0x11/0x20 [ 170.913012] ? __fget+0x295/0x400 [ 170.916460] ? expand_files.part.8+0x700/0x700 [ 170.921139] ? __f_unlock_pos+0xd/0x10 [ 170.925024] ? __fget_light+0x174/0x1e0 [ 170.928986] ? __fdget+0xe/0x10 [ 170.932417] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 170.937256] __sys_sendmsg+0xd9/0x180 [ 170.941335] ? __ia32_sys_shutdown+0x70/0x70 [ 170.945822] ? __sb_end_write+0xa4/0xd0 [ 170.949886] ? kasan_check_write+0x14/0x20 [ 170.954425] ? fput+0x18/0x120 [ 170.958190] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.963744] __x64_sys_sendmsg+0x73/0xb0 [ 170.967855] do_syscall_64+0xd0/0x4e0 [ 170.971917] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.978148] RIP: 0033:0x463d89 [ 170.981465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 171.000833] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.008709] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 171.016414] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 171.024061] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 171.031412] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 171.038692] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 171.052079] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 171.081329] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 171.096275] FAULT_INJECTION: forcing a failure. [ 171.096275] name failslab, interval 1, probability 0, space 0, times 0 [ 171.111114] CPU: 0 PID: 10544 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 171.119364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.128719] Call Trace: [ 171.131306] dump_stack+0x123/0x171 [ 171.135054] should_fail.cold.4+0x5/0xa [ 171.139032] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 171.144326] ? lock_downgrade+0x860/0x860 [ 171.148667] ? ___might_sleep+0x16b/0x270 [ 171.153502] __should_failslab+0xba/0xf0 [ 171.157844] should_failslab+0x9/0x20 [ 171.161644] kmem_cache_alloc_trace+0x2cb/0x740 [ 171.166490] ? qfq_change_class+0xa93/0x14e0 [ 171.171210] ? qfq_change_class+0xa93/0x14e0 [ 171.175622] ? __local_bh_enable_ip+0x160/0x260 [ 171.180931] qfq_change_class+0xad9/0x14e0 [ 171.185424] ? qfq_delete_class+0x2d0/0x2d0 [ 171.189923] ? nla_parse+0x197/0x280 [ 171.193754] tc_ctl_tclass+0x3e9/0xba0 [ 171.197661] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 171.202759] ? find_held_lock+0x36/0x1d0 [ 171.207055] rtnetlink_rcv_msg+0x34f/0x8f0 [ 171.211643] ? rtnetlink_put_metrics+0x490/0x490 [ 171.216667] ? find_held_lock+0x36/0x1d0 [ 171.221051] netlink_rcv_skb+0x13e/0x3d0 [ 171.225276] ? lock_downgrade+0x860/0x860 [ 171.229858] ? rtnetlink_put_metrics+0x490/0x490 [ 171.234608] ? netlink_ack+0xa70/0xa70 [ 171.238596] ? netlink_deliver_tap+0x182/0xb00 [ 171.243230] rtnetlink_rcv+0x10/0x20 [ 171.247023] netlink_unicast+0x443/0x650 [ 171.251351] ? netlink_attachskb+0x6c0/0x6c0 [ 171.255766] ? _copy_from_iter_full+0x182/0x720 [ 171.260681] ? __check_object_size+0x1ef/0x310 [ 171.265344] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 171.270948] netlink_sendmsg+0x764/0xc60 [ 171.275650] ? netlink_unicast+0x650/0x650 [ 171.279902] ? apparmor_socket_sendmsg+0x1b/0x20 [ 171.284751] ? netlink_unicast+0x650/0x650 [ 171.288983] sock_sendmsg+0xb5/0xf0 [ 171.292876] ___sys_sendmsg+0x647/0x950 [ 171.298222] ? find_held_lock+0x36/0x1d0 [ 171.302747] ? copy_msghdr_from_user+0x430/0x430 [ 171.307519] ? __fget+0x278/0x400 [ 171.310984] ? kasan_check_read+0x11/0x20 [ 171.315263] ? __fget+0x295/0x400 [ 171.318823] ? expand_files.part.8+0x700/0x700 [ 171.323794] ? __f_unlock_pos+0xd/0x10 [ 171.328374] ? __fget_light+0x174/0x1e0 [ 171.332562] ? __fdget+0xe/0x10 [ 171.335845] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 171.341437] __sys_sendmsg+0xd9/0x180 [ 171.347466] ? __ia32_sys_shutdown+0x70/0x70 [ 171.352052] ? __sb_end_write+0xa4/0xd0 [ 171.356211] ? kasan_check_write+0x14/0x20 [ 171.360553] ? fput+0x18/0x120 [ 171.363990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.369810] __x64_sys_sendmsg+0x73/0xb0 [ 171.373957] do_syscall_64+0xd0/0x4e0 [ 171.378220] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.383982] RIP: 0033:0x463d89 [ 171.387410] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 171.407547] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.415473] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 171.422755] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 171.430098] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 171.437473] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 171.446402] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 171.455880] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 171.472152] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 171.498353] FAULT_INJECTION: forcing a failure. [ 171.498353] name failslab, interval 1, probability 0, space 0, times 0 [ 171.511428] CPU: 0 PID: 10558 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 171.519781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.529365] Call Trace: [ 171.532021] dump_stack+0x123/0x171 [ 171.536226] should_fail.cold.4+0x5/0xa [ 171.540406] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 171.545504] ? lock_downgrade+0x860/0x860 [ 171.549864] ? ___might_sleep+0x16b/0x270 [ 171.554118] __should_failslab+0xba/0xf0 [ 171.558613] should_failslab+0x9/0x20 [ 171.562418] kmem_cache_alloc_trace+0x2cb/0x740 [ 171.567167] ? qfq_change_class+0xa93/0x14e0 [ 171.571821] ? qfq_change_class+0xa93/0x14e0 [ 171.576434] ? __local_bh_enable_ip+0x160/0x260 [ 171.581189] qfq_change_class+0xad9/0x14e0 [ 171.585855] ? qfq_delete_class+0x2d0/0x2d0 [ 171.590307] ? nla_parse+0x197/0x280 [ 171.594023] tc_ctl_tclass+0x3e9/0xba0 [ 171.597915] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 171.603006] ? find_held_lock+0x36/0x1d0 [ 171.607137] rtnetlink_rcv_msg+0x34f/0x8f0 [ 171.611790] ? rtnetlink_put_metrics+0x490/0x490 [ 171.616786] ? find_held_lock+0x36/0x1d0 [ 171.620841] netlink_rcv_skb+0x13e/0x3d0 [ 171.624890] ? lock_downgrade+0x860/0x860 [ 171.629133] ? rtnetlink_put_metrics+0x490/0x490 [ 171.634075] ? netlink_ack+0xa70/0xa70 [ 171.637951] ? netlink_deliver_tap+0x182/0xb00 [ 171.642625] rtnetlink_rcv+0x10/0x20 [ 171.646468] netlink_unicast+0x443/0x650 [ 171.650614] ? netlink_attachskb+0x6c0/0x6c0 [ 171.655785] ? _copy_from_iter_full+0x182/0x720 [ 171.660636] ? __check_object_size+0x1ef/0x310 [ 171.665234] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 171.671070] netlink_sendmsg+0x764/0xc60 [ 171.675216] ? netlink_unicast+0x650/0x650 [ 171.679948] ? apparmor_socket_sendmsg+0x1b/0x20 [ 171.684993] ? netlink_unicast+0x650/0x650 [ 171.689229] sock_sendmsg+0xb5/0xf0 [ 171.693144] ___sys_sendmsg+0x647/0x950 [ 171.697199] ? find_held_lock+0x36/0x1d0 [ 171.701356] ? copy_msghdr_from_user+0x430/0x430 [ 171.706214] ? __fget+0x278/0x400 [ 171.709659] ? kasan_check_read+0x11/0x20 [ 171.714001] ? __fget+0x295/0x400 [ 171.717712] ? expand_files.part.8+0x700/0x700 [ 171.722560] ? __f_unlock_pos+0xd/0x10 [ 171.726532] ? __fget_light+0x174/0x1e0 [ 171.730602] ? __fdget+0xe/0x10 [ 171.733887] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 171.738827] __sys_sendmsg+0xd9/0x180 [ 171.742632] ? __ia32_sys_shutdown+0x70/0x70 [ 171.747029] ? __sb_end_write+0xa4/0xd0 [ 171.751254] ? kasan_check_write+0x14/0x20 [ 171.755545] ? fput+0x18/0x120 [ 171.758725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.764287] __x64_sys_sendmsg+0x73/0xb0 [ 171.768535] do_syscall_64+0xd0/0x4e0 [ 171.772350] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.778129] RIP: 0033:0x463d89 [ 171.781444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 171.801259] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.809391] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 171.816750] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 171.824096] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 171.831570] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 171.839219] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 171.848611] FAULT_INJECTION: forcing a failure. [ 171.848611] name failslab, interval 1, probability 0, space 0, times 0 [ 171.878609] CPU: 0 PID: 10568 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 171.886615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.896248] Call Trace: [ 171.898882] dump_stack+0x123/0x171 [ 171.902599] should_fail.cold.4+0x5/0xa [ 171.906784] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 171.912428] ? lock_downgrade+0x860/0x860 [ 171.916835] ? ___might_sleep+0x16b/0x270 [ 171.920988] __should_failslab+0xba/0xf0 [ 171.925048] should_failslab+0x9/0x20 [ 171.929395] kmem_cache_alloc_trace+0x2cb/0x740 [ 171.934226] ? qfq_change_class+0xa93/0x14e0 [ 171.938620] ? qfq_change_class+0xa93/0x14e0 [ 171.943025] ? __local_bh_enable_ip+0x160/0x260 [ 171.947801] qfq_change_class+0xad9/0x14e0 [ 171.952126] ? qfq_delete_class+0x2d0/0x2d0 [ 171.956651] ? nla_parse+0x197/0x280 [ 171.960373] tc_ctl_tclass+0x3e9/0xba0 [ 171.964323] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 171.969502] ? find_held_lock+0x36/0x1d0 [ 171.973665] rtnetlink_rcv_msg+0x34f/0x8f0 [ 171.978157] ? rtnetlink_put_metrics+0x490/0x490 [ 171.983607] ? find_held_lock+0x36/0x1d0 [ 171.988139] netlink_rcv_skb+0x13e/0x3d0 [ 171.992394] ? lock_downgrade+0x860/0x860 [ 171.996578] ? rtnetlink_put_metrics+0x490/0x490 [ 172.001491] ? netlink_ack+0xa70/0xa70 [ 172.005364] ? netlink_deliver_tap+0x182/0xb00 [ 172.010323] rtnetlink_rcv+0x10/0x20 [ 172.014750] netlink_unicast+0x443/0x650 [ 172.018809] ? netlink_attachskb+0x6c0/0x6c0 [ 172.023658] ? _copy_from_iter_full+0x182/0x720 [ 172.028316] ? __check_object_size+0x1ef/0x310 [ 172.032890] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 172.038510] netlink_sendmsg+0x764/0xc60 [ 172.042657] ? netlink_unicast+0x650/0x650 [ 172.046890] ? apparmor_socket_sendmsg+0x1b/0x20 [ 172.051812] ? netlink_unicast+0x650/0x650 [ 172.056140] sock_sendmsg+0xb5/0xf0 [ 172.060035] ___sys_sendmsg+0x647/0x950 [ 172.064284] ? find_held_lock+0x36/0x1d0 [ 172.069094] ? copy_msghdr_from_user+0x430/0x430 [ 172.073947] ? __fget+0x278/0x400 [ 172.077432] ? kasan_check_read+0x11/0x20 [ 172.081660] ? __fget+0x295/0x400 [ 172.085194] ? expand_files.part.8+0x700/0x700 [ 172.090038] ? __f_unlock_pos+0xd/0x10 [ 172.094001] ? __fget_light+0x174/0x1e0 [ 172.098079] ? __fdget+0xe/0x10 [ 172.101527] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 172.106739] __sys_sendmsg+0xd9/0x180 [ 172.110542] ? __ia32_sys_shutdown+0x70/0x70 [ 172.115496] ? __sb_end_write+0xa4/0xd0 [ 172.119477] ? kasan_check_write+0x14/0x20 [ 172.123752] ? fput+0x18/0x120 [ 172.127067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.132728] __x64_sys_sendmsg+0x73/0xb0 [ 172.137543] do_syscall_64+0xd0/0x4e0 [ 172.141593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.146897] RIP: 0033:0x463d89 [ 172.150086] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 172.169667] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 172.177718] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 172.185109] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 172.192912] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 172.200528] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 172.208079] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 172.220136] FAULT_INJECTION: forcing a failure. [ 172.220136] name failslab, interval 1, probability 0, space 0, times 0 [ 172.244542] CPU: 0 PID: 10573 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 172.252543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.262330] Call Trace: [ 172.265109] dump_stack+0x123/0x171 [ 172.268819] should_fail.cold.4+0x5/0xa [ 172.272791] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 172.277972] ? lock_downgrade+0x860/0x860 [ 172.282112] ? ___might_sleep+0x16b/0x270 [ 172.286251] __should_failslab+0xba/0xf0 [ 172.290390] should_failslab+0x9/0x20 [ 172.294381] kmem_cache_alloc_trace+0x2cb/0x740 [ 172.299285] ? qfq_change_class+0xa93/0x14e0 [ 172.303697] ? qfq_change_class+0xa93/0x14e0 [ 172.308101] ? __local_bh_enable_ip+0x160/0x260 [ 172.312870] qfq_change_class+0xad9/0x14e0 [ 172.317355] ? qfq_delete_class+0x2d0/0x2d0 [ 172.321687] ? nla_parse+0x197/0x280 [ 172.325564] tc_ctl_tclass+0x3e9/0xba0 [ 172.329618] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 172.335390] ? find_held_lock+0x36/0x1d0 [ 172.339776] rtnetlink_rcv_msg+0x34f/0x8f0 [ 172.344010] ? rtnetlink_put_metrics+0x490/0x490 [ 172.348946] ? find_held_lock+0x36/0x1d0 [ 172.353978] netlink_rcv_skb+0x13e/0x3d0 [ 172.358291] ? lock_downgrade+0x860/0x860 [ 172.362744] ? rtnetlink_put_metrics+0x490/0x490 [ 172.367831] ? netlink_ack+0xa70/0xa70 [ 172.371964] ? netlink_deliver_tap+0x182/0xb00 [ 172.376544] rtnetlink_rcv+0x10/0x20 [ 172.380444] netlink_unicast+0x443/0x650 [ 172.384499] ? netlink_attachskb+0x6c0/0x6c0 [ 172.389129] ? _copy_from_iter_full+0x182/0x720 [ 172.393804] ? __check_object_size+0x1ef/0x310 [ 172.398474] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 172.404015] netlink_sendmsg+0x764/0xc60 [ 172.408243] ? netlink_unicast+0x650/0x650 [ 172.412577] ? apparmor_socket_sendmsg+0x1b/0x20 [ 172.417946] ? netlink_unicast+0x650/0x650 [ 172.422181] sock_sendmsg+0xb5/0xf0 [ 172.425813] ___sys_sendmsg+0x647/0x950 [ 172.430283] ? find_held_lock+0x36/0x1d0 [ 172.434333] ? copy_msghdr_from_user+0x430/0x430 [ 172.439238] ? __fget+0x278/0x400 [ 172.443206] ? kasan_check_read+0x11/0x20 [ 172.447351] ? __fget+0x295/0x400 [ 172.450972] ? expand_files.part.8+0x700/0x700 [ 172.455655] ? __f_unlock_pos+0xd/0x10 [ 172.459648] ? __fget_light+0x174/0x1e0 [ 172.464005] ? __fdget+0xe/0x10 [ 172.467397] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 172.472322] __sys_sendmsg+0xd9/0x180 [ 172.476297] ? __ia32_sys_shutdown+0x70/0x70 [ 172.480792] ? __sb_end_write+0xa4/0xd0 [ 172.484763] ? kasan_check_write+0x14/0x20 [ 172.489081] ? fput+0x18/0x120 [ 172.492448] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.498039] __x64_sys_sendmsg+0x73/0xb0 [ 172.502102] do_syscall_64+0xd0/0x4e0 [ 172.505930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.511240] RIP: 0033:0x463d89 [ 172.514418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 172.534207] RSP: 002b:00007fed80304198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 172.542214] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 172.549502] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 172.557250] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 172.564563] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 172.572513] R13: 00007fed803046bc R14: 0000000000000009 R15: 0000000000000001 [ 172.591455] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 172.615137] FAULT_INJECTION: forcing a failure. [ 172.615137] name failslab, interval 1, probability 0, space 0, times 0 [ 172.627682] CPU: 0 PID: 10583 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 172.635855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.645437] Call Trace: [ 172.648046] dump_stack+0x123/0x171 [ 172.651670] should_fail.cold.4+0x5/0xa [ 172.655654] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 172.660753] ? lock_downgrade+0x860/0x860 [ 172.664890] ? ___might_sleep+0x16b/0x270 [ 172.669047] __should_failslab+0xba/0xf0 [ 172.673097] should_failslab+0x9/0x20 [ 172.676882] kmem_cache_alloc_trace+0x2cb/0x740 [ 172.681629] ? qfq_change_class+0xa93/0x14e0 [ 172.686204] ? qfq_change_class+0xa93/0x14e0 [ 172.691073] ? __local_bh_enable_ip+0x160/0x260 [ 172.696513] qfq_change_class+0xad9/0x14e0 [ 172.700930] ? qfq_delete_class+0x2d0/0x2d0 [ 172.705364] ? nla_parse+0x197/0x280 [ 172.709153] tc_ctl_tclass+0x3e9/0xba0 [ 172.713049] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 172.718245] ? find_held_lock+0x36/0x1d0 [ 172.722495] rtnetlink_rcv_msg+0x34f/0x8f0 [ 172.726845] ? rtnetlink_put_metrics+0x490/0x490 [ 172.732088] ? find_held_lock+0x36/0x1d0 [ 172.736142] netlink_rcv_skb+0x13e/0x3d0 [ 172.740265] ? lock_downgrade+0x860/0x860 [ 172.744574] ? rtnetlink_put_metrics+0x490/0x490 [ 172.749434] ? netlink_ack+0xa70/0xa70 [ 172.753315] ? netlink_deliver_tap+0x182/0xb00 [ 172.757901] rtnetlink_rcv+0x10/0x20 [ 172.761802] netlink_unicast+0x443/0x650 [ 172.765895] ? netlink_attachskb+0x6c0/0x6c0 [ 172.770299] ? _copy_from_iter_full+0x182/0x720 [ 172.774956] ? __check_object_size+0x1ef/0x310 [ 172.779632] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 172.785331] netlink_sendmsg+0x764/0xc60 [ 172.789599] ? netlink_unicast+0x650/0x650 [ 172.793855] ? apparmor_socket_sendmsg+0x1b/0x20 [ 172.798592] ? netlink_unicast+0x650/0x650 [ 172.802817] sock_sendmsg+0xb5/0xf0 [ 172.806451] ___sys_sendmsg+0x647/0x950 [ 172.810625] ? find_held_lock+0x36/0x1d0 [ 172.814979] ? copy_msghdr_from_user+0x430/0x430 [ 172.819804] ? __fget+0x278/0x400 [ 172.823251] ? kasan_check_read+0x11/0x20 [ 172.827390] ? __fget+0x295/0x400 [ 172.831006] ? expand_files.part.8+0x700/0x700 [ 172.835664] ? __f_unlock_pos+0xd/0x10 [ 172.839582] ? __fget_light+0x174/0x1e0 [ 172.843636] ? __fdget+0xe/0x10 [ 172.846906] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 172.851921] __sys_sendmsg+0xd9/0x180 [ 172.855853] ? __ia32_sys_shutdown+0x70/0x70 [ 172.860247] ? __sb_end_write+0xa4/0xd0 [ 172.864325] ? kasan_check_write+0x14/0x20 [ 172.869092] ? fput+0x18/0x120 [ 172.872319] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.878447] __x64_sys_sendmsg+0x73/0xb0 [ 172.882596] do_syscall_64+0xd0/0x4e0 [ 172.886421] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.891781] RIP: 0033:0x463d89 [ 172.895067] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 172.914830] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 172.922570] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 172.930132] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 172.937389] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 172.945040] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 172.952562] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 172.965717] FAULT_INJECTION: forcing a failure. [ 172.965717] name failslab, interval 1, probability 0, space 0, times 0 [ 172.989414] CPU: 1 PID: 10596 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 172.997850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.007484] Call Trace: [ 173.010235] dump_stack+0x123/0x171 [ 173.014008] should_fail.cold.4+0x5/0xa [ 173.018462] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 173.023744] ? lock_downgrade+0x860/0x860 [ 173.027903] ? ___might_sleep+0x16b/0x270 [ 173.032514] __should_failslab+0xba/0xf0 [ 173.036658] should_failslab+0x9/0x20 [ 173.040604] kmem_cache_alloc_trace+0x2cb/0x740 [ 173.045744] ? qfq_change_class+0xa93/0x14e0 [ 173.050313] ? qfq_change_class+0xa93/0x14e0 [ 173.054804] ? __local_bh_enable_ip+0x160/0x260 [ 173.059811] qfq_change_class+0xad9/0x14e0 [ 173.064337] ? qfq_delete_class+0x2d0/0x2d0 [ 173.068753] ? nla_parse+0x197/0x280 [ 173.072460] tc_ctl_tclass+0x3e9/0xba0 [ 173.076466] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 173.081569] ? find_held_lock+0x36/0x1d0 [ 173.085855] rtnetlink_rcv_msg+0x34f/0x8f0 [ 173.090387] ? rtnetlink_put_metrics+0x490/0x490 [ 173.096122] ? find_held_lock+0x36/0x1d0 [ 173.100355] netlink_rcv_skb+0x13e/0x3d0 [ 173.104414] ? lock_downgrade+0x860/0x860 [ 173.109096] ? rtnetlink_put_metrics+0x490/0x490 [ 173.116462] ? netlink_ack+0xa70/0xa70 [ 173.120526] ? netlink_deliver_tap+0x182/0xb00 [ 173.125703] rtnetlink_rcv+0x10/0x20 [ 173.129894] netlink_unicast+0x443/0x650 [ 173.134324] ? netlink_attachskb+0x6c0/0x6c0 [ 173.139223] ? _copy_from_iter_full+0x182/0x720 [ 173.144347] ? __check_object_size+0x1ef/0x310 [ 173.150231] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 173.155775] netlink_sendmsg+0x764/0xc60 [ 173.160075] ? netlink_unicast+0x650/0x650 [ 173.164523] ? apparmor_socket_sendmsg+0x1b/0x20 [ 173.169451] ? netlink_unicast+0x650/0x650 [ 173.174124] sock_sendmsg+0xb5/0xf0 [ 173.178700] ___sys_sendmsg+0x647/0x950 [ 173.183484] ? find_held_lock+0x36/0x1d0 [ 173.188032] ? copy_msghdr_from_user+0x430/0x430 [ 173.193836] ? __fget+0x278/0x400 [ 173.197614] ? kasan_check_read+0x11/0x20 [ 173.201869] ? __fget+0x295/0x400 [ 173.205405] ? expand_files.part.8+0x700/0x700 [ 173.210155] ? __f_unlock_pos+0xd/0x10 [ 173.214139] ? __fget_light+0x174/0x1e0 [ 173.218261] ? __fdget+0xe/0x10 [ 173.221655] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 173.226587] __sys_sendmsg+0xd9/0x180 [ 173.230843] ? __ia32_sys_shutdown+0x70/0x70 [ 173.235427] ? __sb_end_write+0xa4/0xd0 [ 173.240043] ? kasan_check_write+0x14/0x20 [ 173.244282] ? fput+0x18/0x120 [ 173.247572] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.252998] __x64_sys_sendmsg+0x73/0xb0 [ 173.257342] do_syscall_64+0xd0/0x4e0 [ 173.261270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.267004] RIP: 0033:0x463d89 [ 173.270700] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 173.290926] RSP: 002b:00007ff0893b8198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 173.299054] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 173.306530] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 173.313970] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 173.321627] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 173.332389] R13: 00007ff0893b86bc R14: 0000000000000009 R15: 0000000000000001 [ 173.341064] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 173.357706] FAULT_INJECTION: forcing a failure. [ 173.357706] name failslab, interval 1, probability 0, space 0, times 0 [ 173.375531] CPU: 1 PID: 10610 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 173.383785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.394164] Call Trace: [ 173.396866] dump_stack+0x123/0x171 [ 173.400680] should_fail.cold.4+0x5/0xa [ 173.404922] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 173.410026] ? lock_downgrade+0x860/0x860 [ 173.414252] ? ___might_sleep+0x16b/0x270 [ 173.418483] __should_failslab+0xba/0xf0 [ 173.423167] should_failslab+0x9/0x20 [ 173.427043] kmem_cache_alloc_trace+0x2cb/0x740 [ 173.431708] ? qfq_change_class+0xa93/0x14e0 [ 173.436459] ? qfq_change_class+0xa93/0x14e0 [ 173.440865] ? __local_bh_enable_ip+0x160/0x260 [ 173.445727] qfq_change_class+0xad9/0x14e0 [ 173.450044] ? qfq_delete_class+0x2d0/0x2d0 [ 173.454474] ? nla_parse+0x197/0x280 [ 173.458205] tc_ctl_tclass+0x3e9/0xba0 [ 173.462376] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 173.467501] ? find_held_lock+0x36/0x1d0 [ 173.471688] rtnetlink_rcv_msg+0x34f/0x8f0 [ 173.476742] ? rtnetlink_put_metrics+0x490/0x490 [ 173.481764] ? find_held_lock+0x36/0x1d0 [ 173.486089] netlink_rcv_skb+0x13e/0x3d0 [ 173.490215] ? lock_downgrade+0x860/0x860 [ 173.494644] ? rtnetlink_put_metrics+0x490/0x490 [ 173.499816] ? netlink_ack+0xa70/0xa70 [ 173.504022] ? netlink_deliver_tap+0x182/0xb00 [ 173.508848] rtnetlink_rcv+0x10/0x20 [ 173.512997] netlink_unicast+0x443/0x650 [ 173.517488] ? netlink_attachskb+0x6c0/0x6c0 [ 173.521887] ? _copy_from_iter_full+0x182/0x720 [ 173.526549] ? __check_object_size+0x1ef/0x310 [ 173.531493] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 173.537034] netlink_sendmsg+0x764/0xc60 [ 173.541274] ? netlink_unicast+0x650/0x650 [ 173.545690] ? apparmor_socket_sendmsg+0x1b/0x20 [ 173.550458] ? netlink_unicast+0x650/0x650 [ 173.554997] sock_sendmsg+0xb5/0xf0 [ 173.558629] ___sys_sendmsg+0x647/0x950 [ 173.563357] ? find_held_lock+0x36/0x1d0 [ 173.568069] ? copy_msghdr_from_user+0x430/0x430 [ 173.573460] ? __fget+0x278/0x400 [ 173.576996] ? kasan_check_read+0x11/0x20 [ 173.581135] ? __fget+0x295/0x400 [ 173.584963] ? expand_files.part.8+0x700/0x700 [ 173.589542] ? __f_unlock_pos+0xd/0x10 [ 173.593770] ? __fget_light+0x174/0x1e0 [ 173.598019] ? __fdget+0xe/0x10 [ 173.601851] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 173.606834] __sys_sendmsg+0xd9/0x180 [ 173.611325] ? __ia32_sys_shutdown+0x70/0x70 [ 173.616004] ? __sb_end_write+0xa4/0xd0 [ 173.620087] ? kasan_check_write+0x14/0x20 [ 173.624398] ? fput+0x18/0x120 [ 173.627998] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.633801] __x64_sys_sendmsg+0x73/0xb0 [ 173.638573] do_syscall_64+0xd0/0x4e0 [ 173.642700] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.648191] RIP: 0033:0x463d89 [ 173.651385] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 173.671248] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 173.680109] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 173.688108] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 173.695526] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 173.703309] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 173.710767] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 173.729063] FAULT_INJECTION: forcing a failure. [ 173.729063] name failslab, interval 1, probability 0, space 0, times 0 [ 173.742957] CPU: 1 PID: 10616 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 173.751061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.760597] Call Trace: [ 173.763280] dump_stack+0x123/0x171 [ 173.767012] should_fail.cold.4+0x5/0xa [ 173.771100] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 173.776767] ? lock_downgrade+0x860/0x860 [ 173.781934] ? ___might_sleep+0x16b/0x270 [ 173.786196] __should_failslab+0xba/0xf0 [ 173.790271] should_failslab+0x9/0x20 [ 173.794508] kmem_cache_alloc_trace+0x2cb/0x740 [ 173.799334] ? qfq_change_class+0xa93/0x14e0 [ 173.803966] ? qfq_change_class+0xa93/0x14e0 [ 173.808616] ? __local_bh_enable_ip+0x160/0x260 [ 173.813287] qfq_change_class+0xad9/0x14e0 [ 173.817616] ? qfq_delete_class+0x2d0/0x2d0 [ 173.822384] ? nla_parse+0x197/0x280 [ 173.826273] tc_ctl_tclass+0x3e9/0xba0 [ 173.830676] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 173.836153] ? find_held_lock+0x36/0x1d0 [ 173.840486] rtnetlink_rcv_msg+0x34f/0x8f0 [ 173.844944] ? rtnetlink_put_metrics+0x490/0x490 [ 173.849968] ? find_held_lock+0x36/0x1d0 [ 173.854237] netlink_rcv_skb+0x13e/0x3d0 [ 173.858991] ? lock_downgrade+0x860/0x860 [ 173.863168] ? rtnetlink_put_metrics+0x490/0x490 [ 173.868174] ? netlink_ack+0xa70/0xa70 [ 173.872330] ? netlink_deliver_tap+0x182/0xb00 [ 173.877257] rtnetlink_rcv+0x10/0x20 [ 173.881147] netlink_unicast+0x443/0x650 [ 173.885207] ? netlink_attachskb+0x6c0/0x6c0 [ 173.889610] ? _copy_from_iter_full+0x182/0x720 [ 173.894466] ? __check_object_size+0x1ef/0x310 [ 173.899042] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 173.904592] netlink_sendmsg+0x764/0xc60 [ 173.908949] ? netlink_unicast+0x650/0x650 [ 173.913201] ? apparmor_socket_sendmsg+0x1b/0x20 [ 173.918047] ? netlink_unicast+0x650/0x650 [ 173.922631] sock_sendmsg+0xb5/0xf0 [ 173.926478] ___sys_sendmsg+0x647/0x950 [ 173.930677] ? find_held_lock+0x36/0x1d0 [ 173.935385] ? copy_msghdr_from_user+0x430/0x430 [ 173.940327] ? __fget+0x278/0x400 [ 173.943880] ? kasan_check_read+0x11/0x20 [ 173.948038] ? __fget+0x295/0x400 [ 173.951494] ? expand_files.part.8+0x700/0x700 [ 173.956175] ? __f_unlock_pos+0xd/0x10 [ 173.960523] ? __fget_light+0x174/0x1e0 [ 173.965181] ? __fdget+0xe/0x10 [ 173.968563] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 173.973401] __sys_sendmsg+0xd9/0x180 [ 173.977604] ? __ia32_sys_shutdown+0x70/0x70 [ 173.982356] ? __sb_end_write+0xa4/0xd0 [ 173.986545] ? kasan_check_write+0x14/0x20 [ 173.990917] ? fput+0x18/0x120 [ 173.994185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.999633] __x64_sys_sendmsg+0x73/0xb0 [ 174.003784] do_syscall_64+0xd0/0x4e0 [ 174.007572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.012852] RIP: 0033:0x463d89 [ 174.016029] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 174.036419] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 174.044337] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 174.052083] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 174.059625] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 174.067072] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 174.074956] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 174.090175] FAULT_INJECTION: forcing a failure. [ 174.090175] name failslab, interval 1, probability 0, space 0, times 0 [ 174.102380] CPU: 1 PID: 10622 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 174.110839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.120463] Call Trace: [ 174.123157] dump_stack+0x123/0x171 [ 174.126965] should_fail.cold.4+0x5/0xa [ 174.130958] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 174.136097] ? lock_downgrade+0x860/0x860 [ 174.140525] ? ___might_sleep+0x16b/0x270 [ 174.144808] __should_failslab+0xba/0xf0 [ 174.149581] should_failslab+0x9/0x20 [ 174.153870] kmem_cache_alloc_trace+0x2cb/0x740 [ 174.159044] ? qfq_change_class+0xa93/0x14e0 [ 174.163916] ? qfq_change_class+0xa93/0x14e0 [ 174.168737] ? __local_bh_enable_ip+0x160/0x260 [ 174.173501] qfq_change_class+0xad9/0x14e0 [ 174.178107] ? qfq_delete_class+0x2d0/0x2d0 [ 174.182988] ? nla_parse+0x197/0x280 [ 174.187074] tc_ctl_tclass+0x3e9/0xba0 [ 174.190962] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 174.196343] ? find_held_lock+0x36/0x1d0 [ 174.200587] rtnetlink_rcv_msg+0x34f/0x8f0 [ 174.205248] ? rtnetlink_put_metrics+0x490/0x490 [ 174.210210] ? find_held_lock+0x36/0x1d0 [ 174.214418] netlink_rcv_skb+0x13e/0x3d0 [ 174.218728] ? lock_downgrade+0x860/0x860 [ 174.223127] ? rtnetlink_put_metrics+0x490/0x490 [ 174.227878] ? netlink_ack+0xa70/0xa70 [ 174.232030] ? netlink_deliver_tap+0x182/0xb00 [ 174.236849] rtnetlink_rcv+0x10/0x20 [ 174.240843] netlink_unicast+0x443/0x650 [ 174.245343] ? netlink_attachskb+0x6c0/0x6c0 [ 174.249984] ? _copy_from_iter_full+0x182/0x720 [ 174.254927] ? __check_object_size+0x1ef/0x310 [ 174.259606] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 174.265520] netlink_sendmsg+0x764/0xc60 [ 174.269843] ? netlink_unicast+0x650/0x650 [ 174.274260] ? apparmor_socket_sendmsg+0x1b/0x20 [ 174.279595] ? netlink_unicast+0x650/0x650 [ 174.284377] sock_sendmsg+0xb5/0xf0 [ 174.288089] ___sys_sendmsg+0x647/0x950 [ 174.292060] ? find_held_lock+0x36/0x1d0 [ 174.296262] ? copy_msghdr_from_user+0x430/0x430 [ 174.301393] ? __fget+0x278/0x400 [ 174.304900] ? kasan_check_read+0x11/0x20 [ 174.309158] ? __fget+0x295/0x400 [ 174.312597] ? expand_files.part.8+0x700/0x700 [ 174.317367] ? __f_unlock_pos+0xd/0x10 [ 174.321451] ? __fget_light+0x174/0x1e0 [ 174.325658] ? __fdget+0xe/0x10 [ 174.329037] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 174.333957] __sys_sendmsg+0xd9/0x180 [ 174.337856] ? __ia32_sys_shutdown+0x70/0x70 [ 174.342252] ? __sb_end_write+0xa4/0xd0 [ 174.346320] ? kasan_check_write+0x14/0x20 [ 174.350658] ? fput+0x18/0x120 [ 174.354678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.360927] __x64_sys_sendmsg+0x73/0xb0 [ 174.365552] do_syscall_64+0xd0/0x4e0 [ 174.369844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.375457] RIP: 0033:0x463d89 [ 174.378634] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 174.398365] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 174.406371] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 174.413910] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 174.421364] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 174.428897] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 174.436174] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 174.451568] FAULT_INJECTION: forcing a failure. [ 174.451568] name failslab, interval 1, probability 0, space 0, times 0 [ 174.464060] CPU: 1 PID: 10632 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 174.472169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.481992] Call Trace: [ 174.484605] dump_stack+0x123/0x171 [ 174.488762] should_fail.cold.4+0x5/0xa [ 174.493061] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 174.498355] ? lock_downgrade+0x860/0x860 [ 174.502622] ? ___might_sleep+0x16b/0x270 [ 174.506953] __should_failslab+0xba/0xf0 [ 174.511131] should_failslab+0x9/0x20 [ 174.515105] kmem_cache_alloc_trace+0x2cb/0x740 [ 174.519967] ? qfq_change_class+0xa93/0x14e0 [ 174.524362] ? qfq_change_class+0xa93/0x14e0 [ 174.528763] ? __local_bh_enable_ip+0x160/0x260 [ 174.533705] qfq_change_class+0xad9/0x14e0 [ 174.538264] ? qfq_delete_class+0x2d0/0x2d0 [ 174.542595] ? nla_parse+0x197/0x280 [ 174.546475] tc_ctl_tclass+0x3e9/0xba0 [ 174.550453] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 174.556706] ? find_held_lock+0x36/0x1d0 [ 174.560937] rtnetlink_rcv_msg+0x34f/0x8f0 [ 174.565395] ? rtnetlink_put_metrics+0x490/0x490 [ 174.570146] ? find_held_lock+0x36/0x1d0 [ 174.574207] netlink_rcv_skb+0x13e/0x3d0 [ 174.578260] ? lock_downgrade+0x860/0x860 [ 174.582747] ? rtnetlink_put_metrics+0x490/0x490 [ 174.587586] ? netlink_ack+0xa70/0xa70 [ 174.591570] ? netlink_deliver_tap+0x182/0xb00 [ 174.596243] rtnetlink_rcv+0x10/0x20 [ 174.600096] netlink_unicast+0x443/0x650 [ 174.604459] ? netlink_attachskb+0x6c0/0x6c0 [ 174.609090] ? _copy_from_iter_full+0x182/0x720 [ 174.614078] ? __check_object_size+0x1ef/0x310 [ 174.618828] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 174.624364] netlink_sendmsg+0x764/0xc60 [ 174.628733] ? netlink_unicast+0x650/0x650 [ 174.633244] ? apparmor_socket_sendmsg+0x1b/0x20 [ 174.638120] ? netlink_unicast+0x650/0x650 [ 174.642460] sock_sendmsg+0xb5/0xf0 [ 174.646361] ___sys_sendmsg+0x647/0x950 [ 174.650704] ? find_held_lock+0x36/0x1d0 [ 174.655547] ? copy_msghdr_from_user+0x430/0x430 [ 174.660502] ? __fget+0x278/0x400 [ 174.664258] ? kasan_check_read+0x11/0x20 [ 174.668424] ? __fget+0x295/0x400 [ 174.671980] ? expand_files.part.8+0x700/0x700 [ 174.677119] ? __f_unlock_pos+0xd/0x10 [ 174.681345] ? __fget_light+0x174/0x1e0 [ 174.685310] ? __fdget+0xe/0x10 [ 174.688773] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 174.693606] __sys_sendmsg+0xd9/0x180 [ 174.697495] ? __ia32_sys_shutdown+0x70/0x70 [ 174.701911] ? __sb_end_write+0xa4/0xd0 [ 174.705992] ? kasan_check_write+0x14/0x20 [ 174.710433] ? fput+0x18/0x120 [ 174.713918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.719772] __x64_sys_sendmsg+0x73/0xb0 [ 174.723824] do_syscall_64+0xd0/0x4e0 [ 174.727641] entry_SYSCALL_64_after_hwframe+0x49/0xbe 2021/04/24 20:08:29 executed programs: 351 [ 174.733080] RIP: 0033:0x463d89 [ 174.736435] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 174.755825] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 174.764862] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 174.772636] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 174.780066] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 174.787714] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 174.795748] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 174.817779] FAULT_INJECTION: forcing a failure. [ 174.817779] name failslab, interval 1, probability 0, space 0, times 0 [ 174.838255] CPU: 0 PID: 10638 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 174.846431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.856244] Call Trace: [ 174.859005] dump_stack+0x123/0x171 [ 174.862664] should_fail.cold.4+0x5/0xa [ 174.867086] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 174.872435] ? lock_downgrade+0x860/0x860 [ 174.876798] ? ___might_sleep+0x16b/0x270 [ 174.881507] __should_failslab+0xba/0xf0 [ 174.885642] should_failslab+0x9/0x20 [ 174.889645] kmem_cache_alloc_trace+0x2cb/0x740 [ 174.894503] ? qfq_change_class+0xa93/0x14e0 [ 174.899047] ? qfq_change_class+0xa93/0x14e0 [ 174.903462] ? __local_bh_enable_ip+0x160/0x260 [ 174.908152] qfq_change_class+0xad9/0x14e0 [ 174.912476] ? qfq_delete_class+0x2d0/0x2d0 [ 174.916796] ? nla_parse+0x197/0x280 [ 174.920705] tc_ctl_tclass+0x3e9/0xba0 [ 174.924608] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 174.930009] ? find_held_lock+0x36/0x1d0 [ 174.934230] rtnetlink_rcv_msg+0x34f/0x8f0 [ 174.938602] ? rtnetlink_put_metrics+0x490/0x490 [ 174.944135] ? find_held_lock+0x36/0x1d0 [ 174.948676] netlink_rcv_skb+0x13e/0x3d0 [ 174.952829] ? lock_downgrade+0x860/0x860 [ 174.957068] ? rtnetlink_put_metrics+0x490/0x490 [ 174.962177] ? netlink_ack+0xa70/0xa70 [ 174.966299] ? netlink_deliver_tap+0x182/0xb00 [ 174.971160] rtnetlink_rcv+0x10/0x20 [ 174.974869] netlink_unicast+0x443/0x650 [ 174.978949] ? netlink_attachskb+0x6c0/0x6c0 [ 174.983365] ? _copy_from_iter_full+0x182/0x720 [ 174.988486] ? __check_object_size+0x1ef/0x310 [ 174.993380] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 174.999114] netlink_sendmsg+0x764/0xc60 [ 175.003577] ? netlink_unicast+0x650/0x650 [ 175.007957] ? apparmor_socket_sendmsg+0x1b/0x20 [ 175.013145] ? netlink_unicast+0x650/0x650 [ 175.017750] sock_sendmsg+0xb5/0xf0 [ 175.021659] ___sys_sendmsg+0x647/0x950 [ 175.025722] ? find_held_lock+0x36/0x1d0 [ 175.030040] ? copy_msghdr_from_user+0x430/0x430 [ 175.034888] ? __fget+0x278/0x400 [ 175.038427] ? kasan_check_read+0x11/0x20 [ 175.042560] ? __fget+0x295/0x400 [ 175.046095] ? expand_files.part.8+0x700/0x700 [ 175.050757] ? __f_unlock_pos+0xd/0x10 [ 175.054853] ? __fget_light+0x174/0x1e0 [ 175.059117] ? __fdget+0xe/0x10 [ 175.062626] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 175.067754] __sys_sendmsg+0xd9/0x180 [ 175.071637] ? __ia32_sys_shutdown+0x70/0x70 [ 175.076247] ? __sb_end_write+0xa4/0xd0 [ 175.080425] ? kasan_check_write+0x14/0x20 [ 175.084750] ? fput+0x18/0x120 [ 175.088072] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.093676] __x64_sys_sendmsg+0x73/0xb0 [ 175.098168] do_syscall_64+0xd0/0x4e0 [ 175.102146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.107532] RIP: 0033:0x463d89 [ 175.110842] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 175.130902] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.138704] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 175.146478] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 175.154415] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 175.162043] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 175.169906] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 175.179530] nla_parse: 4 callbacks suppressed [ 175.179535] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 175.220291] FAULT_INJECTION: forcing a failure. [ 175.220291] name failslab, interval 1, probability 0, space 0, times 0 [ 175.232876] CPU: 0 PID: 10648 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 175.240774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.250325] Call Trace: [ 175.253198] dump_stack+0x123/0x171 [ 175.256887] should_fail.cold.4+0x5/0xa [ 175.261064] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 175.266262] ? lock_downgrade+0x860/0x860 [ 175.270748] ? ___might_sleep+0x16b/0x270 [ 175.274986] __should_failslab+0xba/0xf0 [ 175.279302] should_failslab+0x9/0x20 [ 175.283320] kmem_cache_alloc_trace+0x2cb/0x740 [ 175.288012] ? qfq_change_class+0xa93/0x14e0 [ 175.292641] ? qfq_change_class+0xa93/0x14e0 [ 175.297589] ? __local_bh_enable_ip+0x160/0x260 [ 175.302269] qfq_change_class+0xad9/0x14e0 [ 175.306634] ? qfq_delete_class+0x2d0/0x2d0 [ 175.311348] ? nla_parse+0x197/0x280 [ 175.315237] tc_ctl_tclass+0x3e9/0xba0 [ 175.319849] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 175.325380] ? find_held_lock+0x36/0x1d0 [ 175.329809] rtnetlink_rcv_msg+0x34f/0x8f0 [ 175.334148] ? rtnetlink_put_metrics+0x490/0x490 [ 175.339079] ? find_held_lock+0x36/0x1d0 [ 175.343276] netlink_rcv_skb+0x13e/0x3d0 [ 175.348018] ? lock_downgrade+0x860/0x860 [ 175.352991] ? rtnetlink_put_metrics+0x490/0x490 [ 175.358140] ? netlink_ack+0xa70/0xa70 [ 175.362020] ? netlink_deliver_tap+0x182/0xb00 [ 175.366684] rtnetlink_rcv+0x10/0x20 [ 175.370410] netlink_unicast+0x443/0x650 [ 175.374661] ? netlink_attachskb+0x6c0/0x6c0 [ 175.379348] ? _copy_from_iter_full+0x182/0x720 [ 175.385394] ? __check_object_size+0x1ef/0x310 [ 175.390080] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 175.395626] netlink_sendmsg+0x764/0xc60 [ 175.399898] ? netlink_unicast+0x650/0x650 [ 175.404130] ? apparmor_socket_sendmsg+0x1b/0x20 [ 175.409166] ? netlink_unicast+0x650/0x650 [ 175.413673] sock_sendmsg+0xb5/0xf0 [ 175.417295] ___sys_sendmsg+0x647/0x950 [ 175.421254] ? find_held_lock+0x36/0x1d0 [ 175.425577] ? copy_msghdr_from_user+0x430/0x430 [ 175.430741] ? __fget+0x278/0x400 [ 175.434284] ? kasan_check_read+0x11/0x20 [ 175.438852] ? __fget+0x295/0x400 [ 175.442714] ? expand_files.part.8+0x700/0x700 [ 175.447296] ? __f_unlock_pos+0xd/0x10 [ 175.451182] ? __fget_light+0x174/0x1e0 [ 175.455335] ? __fdget+0xe/0x10 [ 175.459011] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 175.464208] __sys_sendmsg+0xd9/0x180 [ 175.468031] ? __ia32_sys_shutdown+0x70/0x70 [ 175.473011] ? __sb_end_write+0xa4/0xd0 [ 175.477068] ? kasan_check_write+0x14/0x20 [ 175.481511] ? fput+0x18/0x120 [ 175.484911] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.490415] __x64_sys_sendmsg+0x73/0xb0 [ 175.494480] do_syscall_64+0xd0/0x4e0 [ 175.498359] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.503637] RIP: 0033:0x463d89 [ 175.507017] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 175.526966] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.534766] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 175.542414] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 175.550047] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 175.557365] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 175.564823] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 175.574890] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 175.595090] FAULT_INJECTION: forcing a failure. [ 175.595090] name failslab, interval 1, probability 0, space 0, times 0 [ 175.609100] CPU: 0 PID: 10658 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 175.617273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.626929] Call Trace: [ 175.629856] dump_stack+0x123/0x171 [ 175.633671] should_fail.cold.4+0x5/0xa [ 175.637851] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 175.643127] ? lock_downgrade+0x860/0x860 [ 175.647793] ? ___might_sleep+0x16b/0x270 [ 175.652031] __should_failslab+0xba/0xf0 [ 175.656195] should_failslab+0x9/0x20 [ 175.660196] kmem_cache_alloc_trace+0x2cb/0x740 [ 175.665058] ? qfq_change_class+0xa93/0x14e0 [ 175.669566] ? qfq_change_class+0xa93/0x14e0 [ 175.674045] ? __local_bh_enable_ip+0x160/0x260 [ 175.678708] qfq_change_class+0xad9/0x14e0 [ 175.683098] ? qfq_delete_class+0x2d0/0x2d0 [ 175.687526] ? nla_parse+0x197/0x280 [ 175.691515] tc_ctl_tclass+0x3e9/0xba0 [ 175.695485] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 175.700586] ? find_held_lock+0x36/0x1d0 [ 175.704674] rtnetlink_rcv_msg+0x34f/0x8f0 [ 175.709203] ? rtnetlink_put_metrics+0x490/0x490 [ 175.714048] ? find_held_lock+0x36/0x1d0 [ 175.718106] netlink_rcv_skb+0x13e/0x3d0 [ 175.722166] ? lock_downgrade+0x860/0x860 [ 175.726317] ? rtnetlink_put_metrics+0x490/0x490 [ 175.731372] ? netlink_ack+0xa70/0xa70 [ 175.735475] ? netlink_deliver_tap+0x182/0xb00 [ 175.740310] rtnetlink_rcv+0x10/0x20 [ 175.744484] netlink_unicast+0x443/0x650 [ 175.748635] ? netlink_attachskb+0x6c0/0x6c0 [ 175.754031] ? _copy_from_iter_full+0x182/0x720 [ 175.763574] ? __check_object_size+0x1ef/0x310 [ 175.768247] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 175.774321] netlink_sendmsg+0x764/0xc60 [ 175.778620] ? netlink_unicast+0x650/0x650 [ 175.782960] ? apparmor_socket_sendmsg+0x1b/0x20 [ 175.787730] ? netlink_unicast+0x650/0x650 [ 175.792136] sock_sendmsg+0xb5/0xf0 [ 175.796030] ___sys_sendmsg+0x647/0x950 [ 175.800104] ? find_held_lock+0x36/0x1d0 [ 175.804343] ? copy_msghdr_from_user+0x430/0x430 [ 175.809112] ? __fget+0x278/0x400 [ 175.812572] ? kasan_check_read+0x11/0x20 [ 175.816713] ? __fget+0x295/0x400 [ 175.820244] ? expand_files.part.8+0x700/0x700 [ 175.824921] ? __f_unlock_pos+0xd/0x10 [ 175.829105] ? __fget_light+0x174/0x1e0 [ 175.833230] ? __fdget+0xe/0x10 [ 175.836882] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 175.841894] __sys_sendmsg+0xd9/0x180 [ 175.846225] ? __ia32_sys_shutdown+0x70/0x70 [ 175.850815] ? __sb_end_write+0xa4/0xd0 [ 175.855060] ? kasan_check_write+0x14/0x20 [ 175.859653] ? fput+0x18/0x120 [ 175.863021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.869040] __x64_sys_sendmsg+0x73/0xb0 [ 175.873281] do_syscall_64+0xd0/0x4e0 [ 175.877355] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.883184] RIP: 0033:0x463d89 [ 175.886372] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 175.905891] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 175.913943] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 175.921884] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 175.929156] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 175.937306] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 175.944765] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 175.954837] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 175.975399] FAULT_INJECTION: forcing a failure. [ 175.975399] name failslab, interval 1, probability 0, space 0, times 0 [ 175.989672] CPU: 0 PID: 10668 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 175.997734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.007438] Call Trace: [ 176.010062] dump_stack+0x123/0x171 [ 176.014242] should_fail.cold.4+0x5/0xa [ 176.018374] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 176.023481] ? lock_downgrade+0x860/0x860 [ 176.028113] ? ___might_sleep+0x16b/0x270 [ 176.032263] __should_failslab+0xba/0xf0 [ 176.036503] should_failslab+0x9/0x20 [ 176.040314] kmem_cache_alloc_trace+0x2cb/0x740 [ 176.045438] ? qfq_change_class+0xa93/0x14e0 [ 176.049838] ? qfq_change_class+0xa93/0x14e0 [ 176.054435] ? __local_bh_enable_ip+0x160/0x260 [ 176.059553] qfq_change_class+0xad9/0x14e0 [ 176.063897] ? qfq_delete_class+0x2d0/0x2d0 [ 176.068598] ? nla_parse+0x197/0x280 [ 176.072322] tc_ctl_tclass+0x3e9/0xba0 [ 176.076218] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 176.081475] ? find_held_lock+0x36/0x1d0 [ 176.085733] rtnetlink_rcv_msg+0x34f/0x8f0 [ 176.090346] ? rtnetlink_put_metrics+0x490/0x490 [ 176.095390] ? find_held_lock+0x36/0x1d0 [ 176.099741] netlink_rcv_skb+0x13e/0x3d0 [ 176.104008] ? lock_downgrade+0x860/0x860 [ 176.108577] ? rtnetlink_put_metrics+0x490/0x490 [ 176.113416] ? netlink_ack+0xa70/0xa70 [ 176.117517] ? netlink_deliver_tap+0x182/0xb00 [ 176.122393] rtnetlink_rcv+0x10/0x20 [ 176.126449] netlink_unicast+0x443/0x650 [ 176.130828] ? netlink_attachskb+0x6c0/0x6c0 [ 176.135319] ? _copy_from_iter_full+0x182/0x720 [ 176.140333] ? __check_object_size+0x1ef/0x310 [ 176.145171] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 176.151078] netlink_sendmsg+0x764/0xc60 [ 176.155244] ? netlink_unicast+0x650/0x650 [ 176.159503] ? apparmor_socket_sendmsg+0x1b/0x20 [ 176.164519] ? netlink_unicast+0x650/0x650 [ 176.168975] sock_sendmsg+0xb5/0xf0 [ 176.172891] ___sys_sendmsg+0x647/0x950 [ 176.177132] ? find_held_lock+0x36/0x1d0 [ 176.181326] ? copy_msghdr_from_user+0x430/0x430 [ 176.186188] ? __fget+0x278/0x400 [ 176.189841] ? kasan_check_read+0x11/0x20 [ 176.194112] ? __fget+0x295/0x400 [ 176.198009] ? expand_files.part.8+0x700/0x700 [ 176.202844] ? __f_unlock_pos+0xd/0x10 [ 176.207044] ? __fget_light+0x174/0x1e0 [ 176.211015] ? __fdget+0xe/0x10 [ 176.214287] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 176.219275] __sys_sendmsg+0xd9/0x180 [ 176.223514] ? __ia32_sys_shutdown+0x70/0x70 [ 176.228261] ? __sb_end_write+0xa4/0xd0 [ 176.232233] ? kasan_check_write+0x14/0x20 [ 176.236770] ? fput+0x18/0x120 [ 176.239951] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.245393] __x64_sys_sendmsg+0x73/0xb0 [ 176.249552] do_syscall_64+0xd0/0x4e0 [ 176.253461] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.258740] RIP: 0033:0x463d89 [ 176.262107] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 176.281771] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 176.289811] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 176.297585] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 176.305223] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 176.313038] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 176.320901] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 176.331278] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 176.358190] FAULT_INJECTION: forcing a failure. [ 176.358190] name failslab, interval 1, probability 0, space 0, times 0 [ 176.373783] CPU: 0 PID: 10678 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 176.382236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.391980] Call Trace: [ 176.394796] dump_stack+0x123/0x171 [ 176.398517] should_fail.cold.4+0x5/0xa [ 176.402623] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 176.408048] ? lock_downgrade+0x860/0x860 [ 176.413099] ? ___might_sleep+0x16b/0x270 [ 176.417599] __should_failslab+0xba/0xf0 [ 176.423653] should_failslab+0x9/0x20 [ 176.427456] kmem_cache_alloc_trace+0x2cb/0x740 [ 176.432123] ? qfq_change_class+0xa93/0x14e0 [ 176.436737] ? qfq_change_class+0xa93/0x14e0 [ 176.441146] ? __local_bh_enable_ip+0x160/0x260 [ 176.445988] qfq_change_class+0xad9/0x14e0 [ 176.450347] ? qfq_delete_class+0x2d0/0x2d0 [ 176.454755] ? nla_parse+0x197/0x280 [ 176.458473] tc_ctl_tclass+0x3e9/0xba0 [ 176.462477] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 176.468162] ? find_held_lock+0x36/0x1d0 [ 176.472943] rtnetlink_rcv_msg+0x34f/0x8f0 [ 176.477362] ? rtnetlink_put_metrics+0x490/0x490 [ 176.482599] ? find_held_lock+0x36/0x1d0 [ 176.487061] netlink_rcv_skb+0x13e/0x3d0 [ 176.491495] ? lock_downgrade+0x860/0x860 [ 176.496072] ? rtnetlink_put_metrics+0x490/0x490 [ 176.500996] ? netlink_ack+0xa70/0xa70 [ 176.504889] ? netlink_deliver_tap+0x182/0xb00 [ 176.509652] rtnetlink_rcv+0x10/0x20 [ 176.513902] netlink_unicast+0x443/0x650 [ 176.519011] ? netlink_attachskb+0x6c0/0x6c0 [ 176.523821] ? _copy_from_iter_full+0x182/0x720 [ 176.528644] ? __check_object_size+0x1ef/0x310 [ 176.533229] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 176.539315] netlink_sendmsg+0x764/0xc60 [ 176.543504] ? netlink_unicast+0x650/0x650 [ 176.548023] ? apparmor_socket_sendmsg+0x1b/0x20 [ 176.553013] ? netlink_unicast+0x650/0x650 [ 176.557362] sock_sendmsg+0xb5/0xf0 [ 176.561327] ___sys_sendmsg+0x647/0x950 [ 176.565310] ? find_held_lock+0x36/0x1d0 [ 176.569633] ? copy_msghdr_from_user+0x430/0x430 [ 176.575036] ? __fget+0x278/0x400 [ 176.578593] ? kasan_check_read+0x11/0x20 [ 176.582849] ? __fget+0x295/0x400 [ 176.586630] ? expand_files.part.8+0x700/0x700 [ 176.591316] ? __f_unlock_pos+0xd/0x10 [ 176.595198] ? __fget_light+0x174/0x1e0 [ 176.599163] ? __fdget+0xe/0x10 [ 176.602533] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 176.607373] __sys_sendmsg+0xd9/0x180 [ 176.611535] ? __ia32_sys_shutdown+0x70/0x70 [ 176.616117] ? __sb_end_write+0xa4/0xd0 [ 176.620185] ? kasan_check_write+0x14/0x20 [ 176.624593] ? fput+0x18/0x120 [ 176.627790] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.633329] __x64_sys_sendmsg+0x73/0xb0 [ 176.637758] do_syscall_64+0xd0/0x4e0 [ 176.641566] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.647012] RIP: 0033:0x463d89 [ 176.650395] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 176.670233] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 176.677981] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 176.685432] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 176.693321] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 176.700579] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 176.708734] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 176.720106] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 176.761311] FAULT_INJECTION: forcing a failure. [ 176.761311] name failslab, interval 1, probability 0, space 0, times 0 [ 176.776849] CPU: 0 PID: 10688 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 176.785609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.795367] Call Trace: [ 176.797998] dump_stack+0x123/0x171 [ 176.801623] should_fail.cold.4+0x5/0xa [ 176.805826] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 176.811122] ? lock_downgrade+0x860/0x860 [ 176.815375] ? ___might_sleep+0x16b/0x270 [ 176.819642] __should_failslab+0xba/0xf0 [ 176.824292] should_failslab+0x9/0x20 [ 176.828201] kmem_cache_alloc_trace+0x2cb/0x740 [ 176.832900] ? qfq_change_class+0xa93/0x14e0 [ 176.837634] ? qfq_change_class+0xa93/0x14e0 [ 176.842028] ? __local_bh_enable_ip+0x160/0x260 [ 176.846724] qfq_change_class+0xad9/0x14e0 [ 176.851041] ? qfq_delete_class+0x2d0/0x2d0 [ 176.855741] ? nla_parse+0x197/0x280 [ 176.859679] tc_ctl_tclass+0x3e9/0xba0 [ 176.863675] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 176.868787] ? find_held_lock+0x36/0x1d0 [ 176.873062] rtnetlink_rcv_msg+0x34f/0x8f0 [ 176.877473] ? rtnetlink_put_metrics+0x490/0x490 [ 176.882525] ? find_held_lock+0x36/0x1d0 [ 176.886591] netlink_rcv_skb+0x13e/0x3d0 [ 176.891008] ? lock_downgrade+0x860/0x860 [ 176.895327] ? rtnetlink_put_metrics+0x490/0x490 [ 176.900691] ? netlink_ack+0xa70/0xa70 [ 176.904741] ? netlink_deliver_tap+0x182/0xb00 [ 176.909709] rtnetlink_rcv+0x10/0x20 [ 176.913454] netlink_unicast+0x443/0x650 [ 176.918078] ? netlink_attachskb+0x6c0/0x6c0 [ 176.923269] ? _copy_from_iter_full+0x182/0x720 [ 176.928188] ? __check_object_size+0x1ef/0x310 [ 176.933241] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 176.939072] netlink_sendmsg+0x764/0xc60 [ 176.944148] ? netlink_unicast+0x650/0x650 [ 176.948381] ? apparmor_socket_sendmsg+0x1b/0x20 [ 176.953236] ? netlink_unicast+0x650/0x650 [ 176.957542] sock_sendmsg+0xb5/0xf0 [ 176.961160] ___sys_sendmsg+0x647/0x950 [ 176.965127] ? find_held_lock+0x36/0x1d0 [ 176.969268] ? copy_msghdr_from_user+0x430/0x430 [ 176.974946] ? __fget+0x278/0x400 [ 176.978498] ? kasan_check_read+0x11/0x20 [ 176.983134] ? __fget+0x295/0x400 [ 176.986593] ? expand_files.part.8+0x700/0x700 [ 176.991720] ? __f_unlock_pos+0xd/0x10 [ 176.995924] ? __fget_light+0x174/0x1e0 [ 177.000087] ? __fdget+0xe/0x10 [ 177.003446] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 177.008285] __sys_sendmsg+0xd9/0x180 [ 177.012364] ? __ia32_sys_shutdown+0x70/0x70 [ 177.017100] ? __sb_end_write+0xa4/0xd0 [ 177.021420] ? kasan_check_write+0x14/0x20 [ 177.025749] ? fput+0x18/0x120 [ 177.029243] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.034602] __x64_sys_sendmsg+0x73/0xb0 [ 177.038765] do_syscall_64+0xd0/0x4e0 [ 177.042606] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.048061] RIP: 0033:0x463d89 [ 177.051245] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 177.070825] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.078729] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 177.086178] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 177.093745] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 177.101285] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 177.109274] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 177.118969] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 177.151530] FAULT_INJECTION: forcing a failure. [ 177.151530] name failslab, interval 1, probability 0, space 0, times 0 [ 177.165197] CPU: 0 PID: 10698 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 177.173491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.183268] Call Trace: [ 177.185977] dump_stack+0x123/0x171 [ 177.189863] should_fail.cold.4+0x5/0xa [ 177.193937] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 177.199148] ? lock_downgrade+0x860/0x860 [ 177.203296] ? ___might_sleep+0x16b/0x270 [ 177.207493] __should_failslab+0xba/0xf0 [ 177.212134] should_failslab+0x9/0x20 [ 177.216198] kmem_cache_alloc_trace+0x2cb/0x740 [ 177.220892] ? qfq_change_class+0xa93/0x14e0 [ 177.225302] ? qfq_change_class+0xa93/0x14e0 [ 177.229833] ? __local_bh_enable_ip+0x160/0x260 [ 177.234850] qfq_change_class+0xad9/0x14e0 [ 177.239082] ? qfq_delete_class+0x2d0/0x2d0 [ 177.243604] ? nla_parse+0x197/0x280 [ 177.247442] tc_ctl_tclass+0x3e9/0xba0 [ 177.251564] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 177.256962] ? find_held_lock+0x36/0x1d0 [ 177.261023] rtnetlink_rcv_msg+0x34f/0x8f0 [ 177.265263] ? rtnetlink_put_metrics+0x490/0x490 [ 177.270345] ? find_held_lock+0x36/0x1d0 [ 177.274767] netlink_rcv_skb+0x13e/0x3d0 [ 177.279610] ? lock_downgrade+0x860/0x860 [ 177.283946] ? rtnetlink_put_metrics+0x490/0x490 [ 177.288958] ? netlink_ack+0xa70/0xa70 [ 177.292949] ? netlink_deliver_tap+0x182/0xb00 [ 177.297537] rtnetlink_rcv+0x10/0x20 [ 177.301333] netlink_unicast+0x443/0x650 [ 177.305429] ? netlink_attachskb+0x6c0/0x6c0 [ 177.310021] ? _copy_from_iter_full+0x182/0x720 [ 177.314885] ? __check_object_size+0x1ef/0x310 [ 177.319735] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 177.325885] netlink_sendmsg+0x764/0xc60 [ 177.330199] ? netlink_unicast+0x650/0x650 [ 177.334979] ? apparmor_socket_sendmsg+0x1b/0x20 [ 177.340218] ? netlink_unicast+0x650/0x650 [ 177.344673] sock_sendmsg+0xb5/0xf0 [ 177.348886] ___sys_sendmsg+0x647/0x950 [ 177.354236] ? find_held_lock+0x36/0x1d0 [ 177.359314] ? copy_msghdr_from_user+0x430/0x430 [ 177.364164] ? __fget+0x278/0x400 [ 177.367979] ? kasan_check_read+0x11/0x20 [ 177.372367] ? __fget+0x295/0x400 [ 177.377059] ? expand_files.part.8+0x700/0x700 [ 177.381847] ? __f_unlock_pos+0xd/0x10 [ 177.385742] ? __fget_light+0x174/0x1e0 [ 177.390009] ? __fdget+0xe/0x10 [ 177.393372] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 177.398237] __sys_sendmsg+0xd9/0x180 [ 177.402100] ? __ia32_sys_shutdown+0x70/0x70 [ 177.406646] ? __sb_end_write+0xa4/0xd0 [ 177.410703] ? kasan_check_write+0x14/0x20 [ 177.415025] ? fput+0x18/0x120 [ 177.418878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.424716] __x64_sys_sendmsg+0x73/0xb0 [ 177.429162] do_syscall_64+0xd0/0x4e0 [ 177.433139] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.438825] RIP: 0033:0x463d89 [ 177.442252] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 177.462113] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.469821] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 177.477302] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 177.484690] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 177.491959] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 177.499703] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 177.509483] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 177.533793] FAULT_INJECTION: forcing a failure. [ 177.533793] name failslab, interval 1, probability 0, space 0, times 0 [ 177.553000] CPU: 1 PID: 10708 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 177.561477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.570919] Call Trace: [ 177.573643] dump_stack+0x123/0x171 [ 177.577273] should_fail.cold.4+0x5/0xa [ 177.581236] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 177.586538] ? lock_downgrade+0x860/0x860 [ 177.591284] ? ___might_sleep+0x16b/0x270 [ 177.595748] __should_failslab+0xba/0xf0 [ 177.600068] should_failslab+0x9/0x20 [ 177.604073] kmem_cache_alloc_trace+0x2cb/0x740 [ 177.609245] ? qfq_change_class+0xa93/0x14e0 [ 177.613951] ? qfq_change_class+0xa93/0x14e0 [ 177.618389] ? __local_bh_enable_ip+0x160/0x260 [ 177.623268] qfq_change_class+0xad9/0x14e0 [ 177.628160] ? qfq_delete_class+0x2d0/0x2d0 [ 177.633045] ? nla_parse+0x197/0x280 [ 177.637162] tc_ctl_tclass+0x3e9/0xba0 [ 177.641210] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 177.646558] ? find_held_lock+0x36/0x1d0 [ 177.650740] rtnetlink_rcv_msg+0x34f/0x8f0 [ 177.655091] ? rtnetlink_put_metrics+0x490/0x490 [ 177.660211] ? find_held_lock+0x36/0x1d0 [ 177.664283] netlink_rcv_skb+0x13e/0x3d0 [ 177.668454] ? lock_downgrade+0x860/0x860 [ 177.672794] ? rtnetlink_put_metrics+0x490/0x490 [ 177.677776] ? netlink_ack+0xa70/0xa70 [ 177.681750] ? netlink_deliver_tap+0x182/0xb00 [ 177.686333] rtnetlink_rcv+0x10/0x20 [ 177.690397] netlink_unicast+0x443/0x650 [ 177.694626] ? netlink_attachskb+0x6c0/0x6c0 [ 177.699425] ? _copy_from_iter_full+0x182/0x720 [ 177.704551] ? __check_object_size+0x1ef/0x310 [ 177.709303] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 177.714868] netlink_sendmsg+0x764/0xc60 [ 177.719123] ? netlink_unicast+0x650/0x650 [ 177.723483] ? apparmor_socket_sendmsg+0x1b/0x20 [ 177.728245] ? netlink_unicast+0x650/0x650 [ 177.732647] sock_sendmsg+0xb5/0xf0 [ 177.736351] ___sys_sendmsg+0x647/0x950 [ 177.740792] ? find_held_lock+0x36/0x1d0 [ 177.745274] ? copy_msghdr_from_user+0x430/0x430 [ 177.750495] ? __fget+0x278/0x400 [ 177.754164] ? kasan_check_read+0x11/0x20 [ 177.758520] ? __fget+0x295/0x400 [ 177.762142] ? expand_files.part.8+0x700/0x700 [ 177.766716] ? __f_unlock_pos+0xd/0x10 [ 177.771006] ? __fget_light+0x174/0x1e0 [ 177.775273] ? __fdget+0xe/0x10 [ 177.778595] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 177.783544] __sys_sendmsg+0xd9/0x180 [ 177.787572] ? __ia32_sys_shutdown+0x70/0x70 [ 177.792256] ? __sb_end_write+0xa4/0xd0 [ 177.796893] ? kasan_check_write+0x14/0x20 [ 177.801238] ? fput+0x18/0x120 [ 177.804432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.810064] __x64_sys_sendmsg+0x73/0xb0 [ 177.814692] do_syscall_64+0xd0/0x4e0 [ 177.818557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.823846] RIP: 0033:0x463d89 [ 177.827041] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 177.847320] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.855635] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 177.863407] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 177.870677] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 177.878148] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 177.886071] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 177.900396] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 177.937801] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 177.954809] FAULT_INJECTION: forcing a failure. [ 177.954809] name failslab, interval 1, probability 0, space 0, times 0 [ 177.967237] CPU: 1 PID: 10726 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 177.975524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.985478] Call Trace: [ 177.988093] dump_stack+0x123/0x171 [ 177.992236] should_fail.cold.4+0x5/0xa [ 177.996497] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 178.001733] ? lock_downgrade+0x860/0x860 [ 178.006060] ? ___might_sleep+0x16b/0x270 [ 178.010456] __should_failslab+0xba/0xf0 [ 178.014732] should_failslab+0x9/0x20 [ 178.018724] kmem_cache_alloc_trace+0x2cb/0x740 [ 178.023661] ? qfq_change_class+0xa93/0x14e0 [ 178.028065] ? qfq_change_class+0xa93/0x14e0 [ 178.032473] ? __local_bh_enable_ip+0x160/0x260 [ 178.037216] qfq_change_class+0xad9/0x14e0 [ 178.041450] ? qfq_delete_class+0x2d0/0x2d0 [ 178.045942] ? nla_parse+0x197/0x280 [ 178.049664] tc_ctl_tclass+0x3e9/0xba0 [ 178.053537] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 178.058728] ? find_held_lock+0x36/0x1d0 [ 178.062838] rtnetlink_rcv_msg+0x34f/0x8f0 [ 178.067077] ? rtnetlink_put_metrics+0x490/0x490 [ 178.071912] ? find_held_lock+0x36/0x1d0 [ 178.076076] netlink_rcv_skb+0x13e/0x3d0 [ 178.080474] ? lock_downgrade+0x860/0x860 [ 178.084612] ? rtnetlink_put_metrics+0x490/0x490 [ 178.089363] ? netlink_ack+0xa70/0xa70 [ 178.093302] ? netlink_deliver_tap+0x182/0xb00 [ 178.098080] rtnetlink_rcv+0x10/0x20 [ 178.101955] netlink_unicast+0x443/0x650 [ 178.106028] ? netlink_attachskb+0x6c0/0x6c0 [ 178.110827] ? _copy_from_iter_full+0x182/0x720 [ 178.115589] ? __check_object_size+0x1ef/0x310 [ 178.120155] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 178.126350] netlink_sendmsg+0x764/0xc60 [ 178.130868] ? netlink_unicast+0x650/0x650 [ 178.135253] ? apparmor_socket_sendmsg+0x1b/0x20 [ 178.140267] ? netlink_unicast+0x650/0x650 [ 178.144722] sock_sendmsg+0xb5/0xf0 [ 178.148436] ___sys_sendmsg+0x647/0x950 [ 178.152487] ? find_held_lock+0x36/0x1d0 [ 178.156535] ? copy_msghdr_from_user+0x430/0x430 [ 178.161586] ? __fget+0x278/0x400 [ 178.165259] ? kasan_check_read+0x11/0x20 [ 178.169505] ? __fget+0x295/0x400 [ 178.172946] ? expand_files.part.8+0x700/0x700 [ 178.177919] ? __f_unlock_pos+0xd/0x10 [ 178.182028] ? __fget_light+0x174/0x1e0 [ 178.186395] ? __fdget+0xe/0x10 [ 178.189761] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 178.194784] __sys_sendmsg+0xd9/0x180 [ 178.198668] ? __ia32_sys_shutdown+0x70/0x70 [ 178.203116] ? __sb_end_write+0xa4/0xd0 [ 178.207092] ? kasan_check_write+0x14/0x20 [ 178.211391] ? fput+0x18/0x120 [ 178.214902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.220434] __x64_sys_sendmsg+0x73/0xb0 [ 178.224587] do_syscall_64+0xd0/0x4e0 [ 178.228775] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.233980] RIP: 0033:0x463d89 [ 178.237245] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 178.257257] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 178.265941] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 178.273505] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 178.282512] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 178.290209] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 178.298340] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 178.312468] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 178.340179] FAULT_INJECTION: forcing a failure. [ 178.340179] name failslab, interval 1, probability 0, space 0, times 0 [ 178.354974] CPU: 1 PID: 10736 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 178.365085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.374905] Call Trace: [ 178.377490] dump_stack+0x123/0x171 [ 178.381631] should_fail.cold.4+0x5/0xa [ 178.386565] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 178.393166] ? lock_downgrade+0x860/0x860 [ 178.397900] ? ___might_sleep+0x16b/0x270 [ 178.403054] __should_failslab+0xba/0xf0 [ 178.407390] should_failslab+0x9/0x20 [ 178.411275] kmem_cache_alloc_trace+0x2cb/0x740 [ 178.416232] ? qfq_change_class+0xa93/0x14e0 [ 178.420994] ? qfq_change_class+0xa93/0x14e0 [ 178.425828] ? __local_bh_enable_ip+0x160/0x260 [ 178.431633] qfq_change_class+0xad9/0x14e0 [ 178.436055] ? qfq_delete_class+0x2d0/0x2d0 [ 178.440559] ? nla_parse+0x197/0x280 [ 178.444445] tc_ctl_tclass+0x3e9/0xba0 [ 178.448359] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 178.454012] ? find_held_lock+0x36/0x1d0 [ 178.458456] rtnetlink_rcv_msg+0x34f/0x8f0 [ 178.462870] ? rtnetlink_put_metrics+0x490/0x490 [ 178.467818] ? find_held_lock+0x36/0x1d0 [ 178.472436] netlink_rcv_skb+0x13e/0x3d0 [ 178.477686] ? lock_downgrade+0x860/0x860 [ 178.482287] ? rtnetlink_put_metrics+0x490/0x490 [ 178.487610] ? netlink_ack+0xa70/0xa70 [ 178.492139] ? netlink_deliver_tap+0x182/0xb00 [ 178.497766] rtnetlink_rcv+0x10/0x20 [ 178.501663] netlink_unicast+0x443/0x650 [ 178.506174] ? netlink_attachskb+0x6c0/0x6c0 [ 178.511112] ? _copy_from_iter_full+0x182/0x720 [ 178.515918] ? __check_object_size+0x1ef/0x310 [ 178.521161] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 178.527247] netlink_sendmsg+0x764/0xc60 [ 178.531889] ? netlink_unicast+0x650/0x650 [ 178.536412] ? apparmor_socket_sendmsg+0x1b/0x20 [ 178.541506] ? netlink_unicast+0x650/0x650 [ 178.545930] sock_sendmsg+0xb5/0xf0 [ 178.549723] ___sys_sendmsg+0x647/0x950 [ 178.553964] ? find_held_lock+0x36/0x1d0 [ 178.558921] ? copy_msghdr_from_user+0x430/0x430 [ 178.564048] ? __fget+0x278/0x400 [ 178.567932] ? kasan_check_read+0x11/0x20 [ 178.574502] ? __fget+0x295/0x400 [ 178.578641] ? expand_files.part.8+0x700/0x700 [ 178.583538] ? __f_unlock_pos+0xd/0x10 [ 178.587504] ? __fget_light+0x174/0x1e0 [ 178.591474] ? __fdget+0xe/0x10 [ 178.594906] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 178.600107] __sys_sendmsg+0xd9/0x180 [ 178.604062] ? __ia32_sys_shutdown+0x70/0x70 [ 178.608763] ? __sb_end_write+0xa4/0xd0 [ 178.612730] ? kasan_check_write+0x14/0x20 [ 178.617349] ? fput+0x18/0x120 [ 178.621140] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.627008] __x64_sys_sendmsg+0x73/0xb0 [ 178.631453] do_syscall_64+0xd0/0x4e0 [ 178.635391] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.641850] RIP: 0033:0x463d89 [ 178.645809] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 178.665187] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 178.673491] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 178.680949] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 178.688832] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 178.696201] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 178.703760] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 178.717623] FAULT_INJECTION: forcing a failure. [ 178.717623] name failslab, interval 1, probability 0, space 0, times 0 [ 178.735637] CPU: 1 PID: 10746 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 178.743651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.753010] Call Trace: [ 178.755604] dump_stack+0x123/0x171 [ 178.759328] should_fail.cold.4+0x5/0xa [ 178.763308] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 178.768594] ? lock_downgrade+0x860/0x860 [ 178.773044] ? ___might_sleep+0x16b/0x270 [ 178.777195] __should_failslab+0xba/0xf0 [ 178.781258] should_failslab+0x9/0x20 [ 178.785412] kmem_cache_alloc_trace+0x2cb/0x740 [ 178.790332] ? qfq_change_class+0xa93/0x14e0 [ 178.794820] ? qfq_change_class+0xa93/0x14e0 [ 178.799714] ? __local_bh_enable_ip+0x160/0x260 [ 178.806121] qfq_change_class+0xad9/0x14e0 [ 178.810553] ? qfq_delete_class+0x2d0/0x2d0 [ 178.815256] ? nla_parse+0x197/0x280 [ 178.819833] tc_ctl_tclass+0x3e9/0xba0 [ 178.825168] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 178.831314] ? find_held_lock+0x36/0x1d0 [ 178.835751] rtnetlink_rcv_msg+0x34f/0x8f0 [ 178.841086] ? rtnetlink_put_metrics+0x490/0x490 [ 178.846520] ? find_held_lock+0x36/0x1d0 [ 178.850786] netlink_rcv_skb+0x13e/0x3d0 [ 178.855053] ? lock_downgrade+0x860/0x860 [ 178.859296] ? rtnetlink_put_metrics+0x490/0x490 [ 178.864147] ? netlink_ack+0xa70/0xa70 [ 178.868578] ? netlink_deliver_tap+0x182/0xb00 [ 178.873949] rtnetlink_rcv+0x10/0x20 [ 178.878456] netlink_unicast+0x443/0x650 [ 178.882540] ? netlink_attachskb+0x6c0/0x6c0 [ 178.887029] ? _copy_from_iter_full+0x182/0x720 [ 178.892184] ? __check_object_size+0x1ef/0x310 [ 178.897431] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 178.903275] netlink_sendmsg+0x764/0xc60 [ 178.907590] ? netlink_unicast+0x650/0x650 [ 178.912246] ? apparmor_socket_sendmsg+0x1b/0x20 [ 178.917090] ? netlink_unicast+0x650/0x650 [ 178.921518] sock_sendmsg+0xb5/0xf0 [ 178.925143] ___sys_sendmsg+0x647/0x950 [ 178.929487] ? find_held_lock+0x36/0x1d0 [ 178.933683] ? copy_msghdr_from_user+0x430/0x430 [ 178.938867] ? __fget+0x278/0x400 [ 178.942520] ? kasan_check_read+0x11/0x20 [ 178.946853] ? __fget+0x295/0x400 [ 178.950588] ? expand_files.part.8+0x700/0x700 [ 178.955314] ? __f_unlock_pos+0xd/0x10 [ 178.959288] ? __fget_light+0x174/0x1e0 [ 178.963772] ? __fdget+0xe/0x10 [ 178.967142] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 178.972083] __sys_sendmsg+0xd9/0x180 [ 178.975960] ? __ia32_sys_shutdown+0x70/0x70 [ 178.980378] ? __sb_end_write+0xa4/0xd0 [ 178.984880] ? kasan_check_write+0x14/0x20 [ 178.989128] ? fput+0x18/0x120 [ 178.992319] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.998044] __x64_sys_sendmsg+0x73/0xb0 [ 179.002401] do_syscall_64+0xd0/0x4e0 [ 179.006199] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.011589] RIP: 0033:0x463d89 [ 179.014929] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 179.035475] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.043902] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 179.051674] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 179.059034] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 179.066553] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 179.074353] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 179.088085] FAULT_INJECTION: forcing a failure. [ 179.088085] name failslab, interval 1, probability 0, space 0, times 0 [ 179.101757] CPU: 1 PID: 10748 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 179.110008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.119479] Call Trace: [ 179.122072] dump_stack+0x123/0x171 [ 179.125744] should_fail.cold.4+0x5/0xa [ 179.129835] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 179.135322] ? lock_downgrade+0x860/0x860 [ 179.139572] ? ___might_sleep+0x16b/0x270 [ 179.143828] __should_failslab+0xba/0xf0 [ 179.147897] should_failslab+0x9/0x20 [ 179.151846] kmem_cache_alloc_trace+0x2cb/0x740 [ 179.156643] ? qfq_change_class+0xa93/0x14e0 [ 179.161144] ? qfq_change_class+0xa93/0x14e0 [ 179.165545] ? __local_bh_enable_ip+0x160/0x260 [ 179.170291] qfq_change_class+0xad9/0x14e0 [ 179.174637] ? qfq_delete_class+0x2d0/0x2d0 [ 179.178944] ? nla_parse+0x197/0x280 [ 179.182845] tc_ctl_tclass+0x3e9/0xba0 [ 179.186834] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 179.192138] ? find_held_lock+0x36/0x1d0 [ 179.196430] rtnetlink_rcv_msg+0x34f/0x8f0 [ 179.200890] ? rtnetlink_put_metrics+0x490/0x490 [ 179.206001] ? find_held_lock+0x36/0x1d0 [ 179.210167] netlink_rcv_skb+0x13e/0x3d0 [ 179.214219] ? lock_downgrade+0x860/0x860 [ 179.218480] ? rtnetlink_put_metrics+0x490/0x490 [ 179.223329] ? netlink_ack+0xa70/0xa70 [ 179.227206] ? netlink_deliver_tap+0x182/0xb00 [ 179.231865] rtnetlink_rcv+0x10/0x20 [ 179.235577] netlink_unicast+0x443/0x650 [ 179.239861] ? netlink_attachskb+0x6c0/0x6c0 [ 179.244546] ? _copy_from_iter_full+0x182/0x720 [ 179.249319] ? __check_object_size+0x1ef/0x310 [ 179.253980] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 179.259599] netlink_sendmsg+0x764/0xc60 [ 179.263666] ? netlink_unicast+0x650/0x650 [ 179.267895] ? apparmor_socket_sendmsg+0x1b/0x20 [ 179.272848] ? netlink_unicast+0x650/0x650 [ 179.277103] sock_sendmsg+0xb5/0xf0 [ 179.280912] ___sys_sendmsg+0x647/0x950 [ 179.285101] ? find_held_lock+0x36/0x1d0 [ 179.289164] ? copy_msghdr_from_user+0x430/0x430 [ 179.294408] ? __fget+0x278/0x400 [ 179.298079] ? kasan_check_read+0x11/0x20 [ 179.302417] ? __fget+0x295/0x400 [ 179.305986] ? expand_files.part.8+0x700/0x700 [ 179.311207] ? __f_unlock_pos+0xd/0x10 [ 179.315295] ? __fget_light+0x174/0x1e0 [ 179.319479] ? __fdget+0xe/0x10 [ 179.322810] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 179.328147] __sys_sendmsg+0xd9/0x180 [ 179.332131] ? __ia32_sys_shutdown+0x70/0x70 [ 179.336543] ? __sb_end_write+0xa4/0xd0 [ 179.341238] ? kasan_check_write+0x14/0x20 [ 179.345665] ? fput+0x18/0x120 [ 179.349708] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.355166] __x64_sys_sendmsg+0x73/0xb0 [ 179.359236] do_syscall_64+0xd0/0x4e0 [ 179.363295] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.368827] RIP: 0033:0x463d89 [ 179.372011] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 179.392485] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.402668] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 179.410611] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 179.418295] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 179.425969] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 179.433705] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 179.457294] FAULT_INJECTION: forcing a failure. [ 179.457294] name failslab, interval 1, probability 0, space 0, times 0 [ 179.488541] CPU: 0 PID: 10758 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 179.496990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.506852] Call Trace: [ 179.509527] dump_stack+0x123/0x171 [ 179.513153] should_fail.cold.4+0x5/0xa [ 179.517126] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 179.522226] ? lock_downgrade+0x860/0x860 [ 179.526466] ? ___might_sleep+0x16b/0x270 [ 179.530722] __should_failslab+0xba/0xf0 [ 179.534787] should_failslab+0x9/0x20 [ 179.538587] kmem_cache_alloc_trace+0x2cb/0x740 [ 179.543437] ? qfq_change_class+0xa93/0x14e0 [ 179.548083] ? qfq_change_class+0xa93/0x14e0 [ 179.553092] ? __local_bh_enable_ip+0x160/0x260 [ 179.558017] qfq_change_class+0xad9/0x14e0 [ 179.562428] ? qfq_delete_class+0x2d0/0x2d0 [ 179.566892] ? nla_parse+0x197/0x280 [ 179.570752] tc_ctl_tclass+0x3e9/0xba0 [ 179.574833] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 179.580280] ? find_held_lock+0x36/0x1d0 [ 179.584576] rtnetlink_rcv_msg+0x34f/0x8f0 [ 179.589148] ? rtnetlink_put_metrics+0x490/0x490 [ 179.594403] ? find_held_lock+0x36/0x1d0 [ 179.598669] netlink_rcv_skb+0x13e/0x3d0 [ 179.603003] ? lock_downgrade+0x860/0x860 [ 179.607325] ? rtnetlink_put_metrics+0x490/0x490 [ 179.612173] ? netlink_ack+0xa70/0xa70 [ 179.616177] ? netlink_deliver_tap+0x182/0xb00 [ 179.620938] rtnetlink_rcv+0x10/0x20 [ 179.624748] netlink_unicast+0x443/0x650 [ 179.628809] ? netlink_attachskb+0x6c0/0x6c0 [ 179.633768] ? _copy_from_iter_full+0x182/0x720 [ 179.638560] ? __check_object_size+0x1ef/0x310 [ 179.643140] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 179.648905] netlink_sendmsg+0x764/0xc60 [ 179.653078] ? netlink_unicast+0x650/0x650 [ 179.657336] ? apparmor_socket_sendmsg+0x1b/0x20 [ 179.662261] ? netlink_unicast+0x650/0x650 [ 179.666666] sock_sendmsg+0xb5/0xf0 [ 179.670629] ___sys_sendmsg+0x647/0x950 [ 179.674781] ? find_held_lock+0x36/0x1d0 [ 179.678917] ? copy_msghdr_from_user+0x430/0x430 [ 179.683668] ? __fget+0x278/0x400 [ 179.687135] ? kasan_check_read+0x11/0x20 [ 179.691281] ? __fget+0x295/0x400 [ 179.694811] ? expand_files.part.8+0x700/0x700 [ 179.699389] ? __f_unlock_pos+0xd/0x10 [ 179.703357] ? __fget_light+0x174/0x1e0 [ 179.707417] ? __fdget+0xe/0x10 [ 179.710862] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 179.715702] __sys_sendmsg+0xd9/0x180 [ 179.719582] ? __ia32_sys_shutdown+0x70/0x70 [ 179.724104] ? __sb_end_write+0xa4/0xd0 [ 179.728158] ? kasan_check_write+0x14/0x20 [ 179.732566] ? fput+0x18/0x120 [ 179.735843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.741284] __x64_sys_sendmsg+0x73/0xb0 [ 179.745344] do_syscall_64+0xd0/0x4e0 [ 179.749196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.754377] RIP: 0033:0x463d89 [ 179.757635] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 179.777229] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.785145] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 179.792778] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 179.800244] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 2021/04/24 20:08:34 executed programs: 364 [ 179.807692] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 179.815039] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 179.844977] FAULT_INJECTION: forcing a failure. [ 179.844977] name failslab, interval 1, probability 0, space 0, times 0 [ 179.858493] CPU: 0 PID: 10781 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 179.866433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.875806] Call Trace: [ 179.878615] dump_stack+0x123/0x171 [ 179.882253] should_fail.cold.4+0x5/0xa [ 179.886318] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 179.891590] ? lock_downgrade+0x860/0x860 [ 179.895745] ? ___might_sleep+0x16b/0x270 [ 179.900106] __should_failslab+0xba/0xf0 [ 179.904162] should_failslab+0x9/0x20 [ 179.908336] kmem_cache_alloc_trace+0x2cb/0x740 [ 179.913112] ? qfq_change_class+0xa93/0x14e0 [ 179.917512] ? qfq_change_class+0xa93/0x14e0 [ 179.922026] ? __local_bh_enable_ip+0x160/0x260 [ 179.926831] qfq_change_class+0xad9/0x14e0 [ 179.931052] ? qfq_delete_class+0x2d0/0x2d0 [ 179.935724] ? nla_parse+0x197/0x280 [ 179.940029] tc_ctl_tclass+0x3e9/0xba0 [ 179.944171] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 179.949269] ? find_held_lock+0x36/0x1d0 [ 179.953605] rtnetlink_rcv_msg+0x34f/0x8f0 [ 179.957838] ? rtnetlink_put_metrics+0x490/0x490 [ 179.962719] ? find_held_lock+0x36/0x1d0 [ 179.966774] netlink_rcv_skb+0x13e/0x3d0 [ 179.970993] ? lock_downgrade+0x860/0x860 [ 179.975605] ? rtnetlink_put_metrics+0x490/0x490 [ 179.980360] ? netlink_ack+0xa70/0xa70 [ 179.984335] ? netlink_deliver_tap+0x182/0xb00 [ 179.989009] rtnetlink_rcv+0x10/0x20 [ 179.992723] netlink_unicast+0x443/0x650 [ 179.996913] ? netlink_attachskb+0x6c0/0x6c0 [ 180.001326] ? _copy_from_iter_full+0x182/0x720 [ 180.006086] ? __check_object_size+0x1ef/0x310 [ 180.010741] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 180.016414] netlink_sendmsg+0x764/0xc60 [ 180.020658] ? netlink_unicast+0x650/0x650 [ 180.024979] ? apparmor_socket_sendmsg+0x1b/0x20 [ 180.029898] ? netlink_unicast+0x650/0x650 [ 180.034123] sock_sendmsg+0xb5/0xf0 [ 180.037955] ___sys_sendmsg+0x647/0x950 [ 180.042017] ? find_held_lock+0x36/0x1d0 [ 180.046249] ? copy_msghdr_from_user+0x430/0x430 [ 180.051368] ? __fget+0x278/0x400 [ 180.054837] ? kasan_check_read+0x11/0x20 [ 180.059344] ? __fget+0x295/0x400 [ 180.063057] ? expand_files.part.8+0x700/0x700 [ 180.068035] ? __f_unlock_pos+0xd/0x10 [ 180.071920] ? __fget_light+0x174/0x1e0 [ 180.075890] ? __fdget+0xe/0x10 [ 180.079334] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 180.084354] __sys_sendmsg+0xd9/0x180 [ 180.088417] ? __ia32_sys_shutdown+0x70/0x70 [ 180.092826] ? __sb_end_write+0xa4/0xd0 [ 180.096955] ? kasan_check_write+0x14/0x20 [ 180.101687] ? fput+0x18/0x120 [ 180.104941] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.110932] __x64_sys_sendmsg+0x73/0xb0 [ 180.114988] do_syscall_64+0xd0/0x4e0 [ 180.119030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.124526] RIP: 0033:0x463d89 [ 180.128211] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 180.147718] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.155600] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 180.162857] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 180.170231] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 180.177652] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 180.185029] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 180.194986] FAULT_INJECTION: forcing a failure. [ 180.194986] name failslab, interval 1, probability 0, space 0, times 0 [ 180.208595] CPU: 0 PID: 10782 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 180.216792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.226242] Call Trace: [ 180.228838] dump_stack+0x123/0x171 [ 180.232624] should_fail.cold.4+0x5/0xa [ 180.236690] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 180.241802] ? lock_downgrade+0x860/0x860 [ 180.246131] ? ___might_sleep+0x16b/0x270 [ 180.250371] __should_failslab+0xba/0xf0 [ 180.254448] should_failslab+0x9/0x20 [ 180.258508] kmem_cache_alloc_trace+0x2cb/0x740 [ 180.263300] ? qfq_change_class+0xa93/0x14e0 [ 180.267887] ? qfq_change_class+0xa93/0x14e0 [ 180.272826] ? __local_bh_enable_ip+0x160/0x260 [ 180.277737] qfq_change_class+0xad9/0x14e0 [ 180.282175] ? qfq_delete_class+0x2d0/0x2d0 [ 180.286664] ? nla_parse+0x197/0x280 [ 180.290379] tc_ctl_tclass+0x3e9/0xba0 [ 180.294521] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 180.300048] ? find_held_lock+0x36/0x1d0 [ 180.304407] rtnetlink_rcv_msg+0x34f/0x8f0 [ 180.308898] ? rtnetlink_put_metrics+0x490/0x490 [ 180.313759] ? find_held_lock+0x36/0x1d0 [ 180.318378] netlink_rcv_skb+0x13e/0x3d0 [ 180.322616] ? lock_downgrade+0x860/0x860 [ 180.326839] ? rtnetlink_put_metrics+0x490/0x490 [ 180.332413] ? netlink_ack+0xa70/0xa70 [ 180.336392] ? netlink_deliver_tap+0x182/0xb00 [ 180.340978] rtnetlink_rcv+0x10/0x20 [ 180.344773] netlink_unicast+0x443/0x650 [ 180.349126] ? netlink_attachskb+0x6c0/0x6c0 [ 180.353726] ? _copy_from_iter_full+0x182/0x720 [ 180.358831] ? __check_object_size+0x1ef/0x310 [ 180.363510] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 180.369247] netlink_sendmsg+0x764/0xc60 [ 180.374343] ? netlink_unicast+0x650/0x650 [ 180.378749] ? apparmor_socket_sendmsg+0x1b/0x20 [ 180.383601] ? netlink_unicast+0x650/0x650 [ 180.388140] sock_sendmsg+0xb5/0xf0 [ 180.392141] ___sys_sendmsg+0x647/0x950 [ 180.396360] ? find_held_lock+0x36/0x1d0 [ 180.400562] ? copy_msghdr_from_user+0x430/0x430 [ 180.405531] ? __fget+0x278/0x400 [ 180.409086] ? kasan_check_read+0x11/0x20 [ 180.413530] ? __fget+0x295/0x400 [ 180.416971] ? expand_files.part.8+0x700/0x700 [ 180.421636] ? __f_unlock_pos+0xd/0x10 [ 180.425526] ? __fget_light+0x174/0x1e0 [ 180.429829] ? __fdget+0xe/0x10 [ 180.433187] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 180.438024] __sys_sendmsg+0xd9/0x180 [ 180.441917] ? __ia32_sys_shutdown+0x70/0x70 [ 180.446516] ? __sb_end_write+0xa4/0xd0 [ 180.450702] ? kasan_check_write+0x14/0x20 [ 180.455117] ? fput+0x18/0x120 [ 180.458486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.464236] __x64_sys_sendmsg+0x73/0xb0 [ 180.468415] do_syscall_64+0xd0/0x4e0 [ 180.472230] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.478123] RIP: 0033:0x463d89 [ 180.481546] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 180.502369] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.511022] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 180.518679] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 180.526991] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 180.534825] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 180.542189] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 180.551527] nla_parse: 4 callbacks suppressed [ 180.551530] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 180.572746] FAULT_INJECTION: forcing a failure. [ 180.572746] name failslab, interval 1, probability 0, space 0, times 0 [ 180.590261] CPU: 0 PID: 10788 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 180.598589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.608846] Call Trace: [ 180.611746] dump_stack+0x123/0x171 [ 180.615480] should_fail.cold.4+0x5/0xa [ 180.619592] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 180.625042] ? lock_downgrade+0x860/0x860 [ 180.629573] ? ___might_sleep+0x16b/0x270 [ 180.633806] __should_failslab+0xba/0xf0 [ 180.637870] should_failslab+0x9/0x20 [ 180.641753] kmem_cache_alloc_trace+0x2cb/0x740 [ 180.646516] ? qfq_change_class+0xa93/0x14e0 [ 180.650944] ? qfq_change_class+0xa93/0x14e0 [ 180.655818] ? __local_bh_enable_ip+0x160/0x260 [ 180.660791] qfq_change_class+0xad9/0x14e0 [ 180.665296] ? qfq_delete_class+0x2d0/0x2d0 [ 180.669704] ? nla_parse+0x197/0x280 [ 180.673774] tc_ctl_tclass+0x3e9/0xba0 [ 180.677834] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 180.684949] ? find_held_lock+0x36/0x1d0 [ 180.689206] rtnetlink_rcv_msg+0x34f/0x8f0 [ 180.693440] ? rtnetlink_put_metrics+0x490/0x490 [ 180.698621] ? find_held_lock+0x36/0x1d0 [ 180.702686] netlink_rcv_skb+0x13e/0x3d0 [ 180.707063] ? lock_downgrade+0x860/0x860 [ 180.711422] ? rtnetlink_put_metrics+0x490/0x490 [ 180.717114] ? netlink_ack+0xa70/0xa70 [ 180.721518] ? netlink_deliver_tap+0x182/0xb00 [ 180.726118] rtnetlink_rcv+0x10/0x20 [ 180.730059] netlink_unicast+0x443/0x650 [ 180.734366] ? netlink_attachskb+0x6c0/0x6c0 [ 180.739310] ? _copy_from_iter_full+0x182/0x720 [ 180.743983] ? __check_object_size+0x1ef/0x310 [ 180.748774] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 180.754634] netlink_sendmsg+0x764/0xc60 [ 180.758714] ? netlink_unicast+0x650/0x650 [ 180.762962] ? apparmor_socket_sendmsg+0x1b/0x20 [ 180.767799] ? netlink_unicast+0x650/0x650 [ 180.772021] sock_sendmsg+0xb5/0xf0 [ 180.775819] ___sys_sendmsg+0x647/0x950 [ 180.779876] ? find_held_lock+0x36/0x1d0 [ 180.784021] ? copy_msghdr_from_user+0x430/0x430 [ 180.788770] ? __fget+0x278/0x400 [ 180.792332] ? kasan_check_read+0x11/0x20 [ 180.796588] ? __fget+0x295/0x400 [ 180.800206] ? expand_files.part.8+0x700/0x700 [ 180.804979] ? __f_unlock_pos+0xd/0x10 [ 180.808965] ? __fget_light+0x174/0x1e0 [ 180.813775] ? __fdget+0xe/0x10 [ 180.817359] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 180.822310] __sys_sendmsg+0xd9/0x180 [ 180.826196] ? __ia32_sys_shutdown+0x70/0x70 [ 180.830939] ? __sb_end_write+0xa4/0xd0 [ 180.834921] ? kasan_check_write+0x14/0x20 [ 180.839239] ? fput+0x18/0x120 [ 180.842548] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.848140] __x64_sys_sendmsg+0x73/0xb0 [ 180.852203] do_syscall_64+0xd0/0x4e0 [ 180.855998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.861271] RIP: 0033:0x463d89 [ 180.864736] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 180.884293] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.892284] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 180.899746] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 180.907453] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 180.915516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 180.923437] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 180.932520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 180.949497] FAULT_INJECTION: forcing a failure. [ 180.949497] name failslab, interval 1, probability 0, space 0, times 0 [ 180.963813] CPU: 0 PID: 10798 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 180.971818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.981771] Call Trace: [ 180.984485] dump_stack+0x123/0x171 [ 180.988151] should_fail.cold.4+0x5/0xa [ 180.992132] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 180.997249] ? lock_downgrade+0x860/0x860 [ 181.001967] ? ___might_sleep+0x16b/0x270 [ 181.006116] __should_failslab+0xba/0xf0 [ 181.010587] should_failslab+0x9/0x20 [ 181.014393] kmem_cache_alloc_trace+0x2cb/0x740 [ 181.019557] ? qfq_change_class+0xa93/0x14e0 [ 181.023958] ? qfq_change_class+0xa93/0x14e0 [ 181.028361] ? __local_bh_enable_ip+0x160/0x260 [ 181.033651] qfq_change_class+0xad9/0x14e0 [ 181.037879] ? qfq_delete_class+0x2d0/0x2d0 [ 181.042202] ? nla_parse+0x197/0x280 [ 181.045933] tc_ctl_tclass+0x3e9/0xba0 [ 181.049836] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 181.055035] ? find_held_lock+0x36/0x1d0 [ 181.059313] rtnetlink_rcv_msg+0x34f/0x8f0 [ 181.063570] ? rtnetlink_put_metrics+0x490/0x490 [ 181.068623] ? find_held_lock+0x36/0x1d0 [ 181.073184] netlink_rcv_skb+0x13e/0x3d0 [ 181.077476] ? lock_downgrade+0x860/0x860 [ 181.081886] ? rtnetlink_put_metrics+0x490/0x490 [ 181.086649] ? netlink_ack+0xa70/0xa70 [ 181.090601] ? netlink_deliver_tap+0x182/0xb00 [ 181.095281] rtnetlink_rcv+0x10/0x20 [ 181.099595] netlink_unicast+0x443/0x650 [ 181.103782] ? netlink_attachskb+0x6c0/0x6c0 [ 181.108198] ? _copy_from_iter_full+0x182/0x720 [ 181.113638] ? __check_object_size+0x1ef/0x310 [ 181.118532] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 181.124257] netlink_sendmsg+0x764/0xc60 [ 181.128326] ? netlink_unicast+0x650/0x650 [ 181.132661] ? apparmor_socket_sendmsg+0x1b/0x20 [ 181.137685] ? netlink_unicast+0x650/0x650 [ 181.142350] sock_sendmsg+0xb5/0xf0 [ 181.146003] ___sys_sendmsg+0x647/0x950 [ 181.150064] ? find_held_lock+0x36/0x1d0 [ 181.154212] ? copy_msghdr_from_user+0x430/0x430 [ 181.159134] ? __fget+0x278/0x400 [ 181.162675] ? kasan_check_read+0x11/0x20 [ 181.166909] ? __fget+0x295/0x400 [ 181.170527] ? expand_files.part.8+0x700/0x700 [ 181.175711] ? __f_unlock_pos+0xd/0x10 [ 181.179720] ? __fget_light+0x174/0x1e0 [ 181.184117] ? __fdget+0xe/0x10 [ 181.187401] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 181.192457] __sys_sendmsg+0xd9/0x180 [ 181.196645] ? __ia32_sys_shutdown+0x70/0x70 [ 181.201658] ? __sb_end_write+0xa4/0xd0 [ 181.205801] ? kasan_check_write+0x14/0x20 [ 181.210211] ? fput+0x18/0x120 [ 181.213690] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.219303] __x64_sys_sendmsg+0x73/0xb0 [ 181.223377] do_syscall_64+0xd0/0x4e0 [ 181.227287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.232469] RIP: 0033:0x463d89 [ 181.235903] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 181.256160] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.264686] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 181.273148] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 181.280651] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 181.287951] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 181.295557] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 181.307681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 181.341512] FAULT_INJECTION: forcing a failure. [ 181.341512] name failslab, interval 1, probability 0, space 0, times 0 [ 181.353730] CPU: 1 PID: 10808 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 181.362526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.372749] Call Trace: [ 181.375722] dump_stack+0x123/0x171 [ 181.379615] should_fail.cold.4+0x5/0xa [ 181.384305] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 181.390088] ? lock_downgrade+0x860/0x860 [ 181.394476] ? ___might_sleep+0x16b/0x270 [ 181.398616] __should_failslab+0xba/0xf0 [ 181.402784] should_failslab+0x9/0x20 [ 181.406801] kmem_cache_alloc_trace+0x2cb/0x740 [ 181.411461] ? qfq_change_class+0xa93/0x14e0 [ 181.416905] ? qfq_change_class+0xa93/0x14e0 [ 181.421463] ? __local_bh_enable_ip+0x160/0x260 [ 181.427300] qfq_change_class+0xad9/0x14e0 [ 181.431708] ? qfq_delete_class+0x2d0/0x2d0 [ 181.436437] ? nla_parse+0x197/0x280 [ 181.440531] tc_ctl_tclass+0x3e9/0xba0 [ 181.444583] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 181.450099] ? find_held_lock+0x36/0x1d0 [ 181.454290] rtnetlink_rcv_msg+0x34f/0x8f0 [ 181.458695] ? rtnetlink_put_metrics+0x490/0x490 [ 181.463457] ? find_held_lock+0x36/0x1d0 [ 181.467520] netlink_rcv_skb+0x13e/0x3d0 [ 181.471663] ? lock_downgrade+0x860/0x860 [ 181.475899] ? rtnetlink_put_metrics+0x490/0x490 [ 181.480808] ? netlink_ack+0xa70/0xa70 [ 181.484691] ? netlink_deliver_tap+0x182/0xb00 [ 181.489427] rtnetlink_rcv+0x10/0x20 [ 181.493141] netlink_unicast+0x443/0x650 [ 181.497218] ? netlink_attachskb+0x6c0/0x6c0 [ 181.501793] ? _copy_from_iter_full+0x182/0x720 [ 181.507038] ? __check_object_size+0x1ef/0x310 [ 181.511848] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 181.517827] netlink_sendmsg+0x764/0xc60 [ 181.521965] ? netlink_unicast+0x650/0x650 [ 181.526358] ? apparmor_socket_sendmsg+0x1b/0x20 [ 181.531184] ? netlink_unicast+0x650/0x650 [ 181.535498] sock_sendmsg+0xb5/0xf0 [ 181.539220] ___sys_sendmsg+0x647/0x950 [ 181.543409] ? find_held_lock+0x36/0x1d0 [ 181.547810] ? copy_msghdr_from_user+0x430/0x430 [ 181.552896] ? __fget+0x278/0x400 [ 181.556514] ? kasan_check_read+0x11/0x20 [ 181.561158] ? __fget+0x295/0x400 [ 181.564605] ? expand_files.part.8+0x700/0x700 [ 181.569483] ? __f_unlock_pos+0xd/0x10 [ 181.573454] ? __fget_light+0x174/0x1e0 [ 181.577545] ? __fdget+0xe/0x10 [ 181.580813] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 181.585865] __sys_sendmsg+0xd9/0x180 [ 181.589924] ? __ia32_sys_shutdown+0x70/0x70 [ 181.594409] ? __sb_end_write+0xa4/0xd0 [ 181.598414] ? kasan_check_write+0x14/0x20 [ 181.602991] ? fput+0x18/0x120 [ 181.606180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.611810] __x64_sys_sendmsg+0x73/0xb0 [ 181.616079] do_syscall_64+0xd0/0x4e0 [ 181.619959] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.625393] RIP: 0033:0x463d89 [ 181.628658] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 181.647953] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.655649] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 181.663228] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 181.671221] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 181.678579] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 181.686273] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 181.694640] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 181.718002] FAULT_INJECTION: forcing a failure. [ 181.718002] name failslab, interval 1, probability 0, space 0, times 0 [ 181.733980] CPU: 1 PID: 10822 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 181.741905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.751693] Call Trace: [ 181.754374] dump_stack+0x123/0x171 [ 181.758198] should_fail.cold.4+0x5/0xa [ 181.762343] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 181.767559] ? lock_downgrade+0x860/0x860 [ 181.771928] ? ___might_sleep+0x16b/0x270 [ 181.776242] __should_failslab+0xba/0xf0 [ 181.780451] should_failslab+0x9/0x20 [ 181.784234] kmem_cache_alloc_trace+0x2cb/0x740 [ 181.789006] ? qfq_change_class+0xa93/0x14e0 [ 181.793397] ? qfq_change_class+0xa93/0x14e0 [ 181.797947] ? __local_bh_enable_ip+0x160/0x260 [ 181.802653] qfq_change_class+0xad9/0x14e0 [ 181.807012] ? qfq_delete_class+0x2d0/0x2d0 [ 181.811374] ? nla_parse+0x197/0x280 [ 181.815081] tc_ctl_tclass+0x3e9/0xba0 [ 181.818965] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 181.824163] ? find_held_lock+0x36/0x1d0 [ 181.828685] rtnetlink_rcv_msg+0x34f/0x8f0 [ 181.833415] ? rtnetlink_put_metrics+0x490/0x490 [ 181.838934] ? find_held_lock+0x36/0x1d0 [ 181.843144] netlink_rcv_skb+0x13e/0x3d0 [ 181.847209] ? lock_downgrade+0x860/0x860 [ 181.851391] ? rtnetlink_put_metrics+0x490/0x490 [ 181.856602] ? netlink_ack+0xa70/0xa70 [ 181.860781] ? netlink_deliver_tap+0x182/0xb00 [ 181.865576] rtnetlink_rcv+0x10/0x20 [ 181.869415] netlink_unicast+0x443/0x650 [ 181.873639] ? netlink_attachskb+0x6c0/0x6c0 [ 181.878033] ? _copy_from_iter_full+0x182/0x720 [ 181.882777] ? __check_object_size+0x1ef/0x310 [ 181.887429] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 181.893433] netlink_sendmsg+0x764/0xc60 [ 181.897847] ? netlink_unicast+0x650/0x650 [ 181.902355] ? apparmor_socket_sendmsg+0x1b/0x20 [ 181.907382] ? netlink_unicast+0x650/0x650 [ 181.912036] sock_sendmsg+0xb5/0xf0 [ 181.915678] ___sys_sendmsg+0x647/0x950 [ 181.919995] ? find_held_lock+0x36/0x1d0 [ 181.924060] ? copy_msghdr_from_user+0x430/0x430 [ 181.929024] ? __fget+0x278/0x400 [ 181.932798] ? kasan_check_read+0x11/0x20 [ 181.937024] ? __fget+0x295/0x400 [ 181.940692] ? expand_files.part.8+0x700/0x700 [ 181.945532] ? __f_unlock_pos+0xd/0x10 [ 181.949414] ? __fget_light+0x174/0x1e0 [ 181.953694] ? __fdget+0xe/0x10 [ 181.957063] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 181.962136] __sys_sendmsg+0xd9/0x180 [ 181.966025] ? __ia32_sys_shutdown+0x70/0x70 [ 181.970731] ? __sb_end_write+0xa4/0xd0 [ 181.974960] ? kasan_check_write+0x14/0x20 [ 181.979190] ? fput+0x18/0x120 [ 181.982475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.987946] __x64_sys_sendmsg+0x73/0xb0 [ 181.992111] do_syscall_64+0xd0/0x4e0 [ 181.996366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.001672] RIP: 0033:0x463d89 [ 182.005354] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 182.024777] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.032985] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 182.041329] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 182.048890] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 182.056259] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 182.063983] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 182.072365] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 182.096456] FAULT_INJECTION: forcing a failure. [ 182.096456] name failslab, interval 1, probability 0, space 0, times 0 [ 182.114165] CPU: 1 PID: 10828 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 182.122383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.131941] Call Trace: [ 182.134730] dump_stack+0x123/0x171 [ 182.138451] should_fail.cold.4+0x5/0xa [ 182.142412] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 182.147677] ? lock_downgrade+0x860/0x860 [ 182.151812] ? ___might_sleep+0x16b/0x270 [ 182.155990] __should_failslab+0xba/0xf0 [ 182.160391] should_failslab+0x9/0x20 [ 182.164194] kmem_cache_alloc_trace+0x2cb/0x740 [ 182.169045] ? qfq_change_class+0xa93/0x14e0 [ 182.173449] ? qfq_change_class+0xa93/0x14e0 [ 182.178383] ? __local_bh_enable_ip+0x160/0x260 [ 182.183042] qfq_change_class+0xad9/0x14e0 [ 182.187806] ? qfq_delete_class+0x2d0/0x2d0 [ 182.192258] ? nla_parse+0x197/0x280 [ 182.195993] tc_ctl_tclass+0x3e9/0xba0 [ 182.199876] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 182.205266] ? find_held_lock+0x36/0x1d0 [ 182.209509] rtnetlink_rcv_msg+0x34f/0x8f0 [ 182.213741] ? rtnetlink_put_metrics+0x490/0x490 [ 182.218691] ? find_held_lock+0x36/0x1d0 [ 182.223340] netlink_rcv_skb+0x13e/0x3d0 [ 182.227402] ? lock_downgrade+0x860/0x860 [ 182.231639] ? rtnetlink_put_metrics+0x490/0x490 [ 182.236581] ? netlink_ack+0xa70/0xa70 [ 182.240632] ? netlink_deliver_tap+0x182/0xb00 [ 182.245353] rtnetlink_rcv+0x10/0x20 [ 182.249694] netlink_unicast+0x443/0x650 [ 182.253993] ? netlink_attachskb+0x6c0/0x6c0 [ 182.258671] ? _copy_from_iter_full+0x182/0x720 [ 182.263475] ? __check_object_size+0x1ef/0x310 [ 182.268267] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 182.273811] netlink_sendmsg+0x764/0xc60 [ 182.278001] ? netlink_unicast+0x650/0x650 [ 182.282468] ? apparmor_socket_sendmsg+0x1b/0x20 [ 182.287220] ? netlink_unicast+0x650/0x650 [ 182.291655] sock_sendmsg+0xb5/0xf0 [ 182.295271] ___sys_sendmsg+0x647/0x950 [ 182.299236] ? find_held_lock+0x36/0x1d0 [ 182.303926] ? copy_msghdr_from_user+0x430/0x430 [ 182.308874] ? __fget+0x278/0x400 [ 182.312785] ? kasan_check_read+0x11/0x20 [ 182.317495] ? __fget+0x295/0x400 [ 182.321040] ? expand_files.part.8+0x700/0x700 [ 182.325737] ? __f_unlock_pos+0xd/0x10 [ 182.329629] ? __fget_light+0x174/0x1e0 [ 182.333910] ? __fdget+0xe/0x10 [ 182.337385] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 182.342227] __sys_sendmsg+0xd9/0x180 [ 182.346211] ? __ia32_sys_shutdown+0x70/0x70 [ 182.350824] ? __sb_end_write+0xa4/0xd0 [ 182.355092] ? kasan_check_write+0x14/0x20 [ 182.359667] ? fput+0x18/0x120 [ 182.363199] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.368877] __x64_sys_sendmsg+0x73/0xb0 [ 182.373208] do_syscall_64+0xd0/0x4e0 [ 182.376996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.382455] RIP: 0033:0x463d89 [ 182.385813] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 182.405358] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.413054] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 182.420578] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 182.428137] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 182.435647] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 182.443229] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 182.456489] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 182.479183] FAULT_INJECTION: forcing a failure. [ 182.479183] name failslab, interval 1, probability 0, space 0, times 0 [ 182.497753] CPU: 1 PID: 10838 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 182.505916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.516118] Call Trace: [ 182.518793] dump_stack+0x123/0x171 [ 182.522937] should_fail.cold.4+0x5/0xa [ 182.526899] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 182.532001] ? lock_downgrade+0x860/0x860 [ 182.536488] ? ___might_sleep+0x16b/0x270 [ 182.541137] __should_failslab+0xba/0xf0 [ 182.545371] should_failslab+0x9/0x20 [ 182.549314] kmem_cache_alloc_trace+0x2cb/0x740 [ 182.553977] ? qfq_change_class+0xa93/0x14e0 [ 182.558469] ? qfq_change_class+0xa93/0x14e0 [ 182.562966] ? __local_bh_enable_ip+0x160/0x260 [ 182.567626] qfq_change_class+0xad9/0x14e0 [ 182.572114] ? qfq_delete_class+0x2d0/0x2d0 [ 182.576538] ? nla_parse+0x197/0x280 [ 182.580871] tc_ctl_tclass+0x3e9/0xba0 [ 182.584923] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 182.590375] ? find_held_lock+0x36/0x1d0 [ 182.594689] rtnetlink_rcv_msg+0x34f/0x8f0 [ 182.599044] ? rtnetlink_put_metrics+0x490/0x490 [ 182.603880] ? find_held_lock+0x36/0x1d0 [ 182.608051] netlink_rcv_skb+0x13e/0x3d0 [ 182.612108] ? lock_downgrade+0x860/0x860 [ 182.616257] ? rtnetlink_put_metrics+0x490/0x490 [ 182.621004] ? netlink_ack+0xa70/0xa70 [ 182.625074] ? netlink_deliver_tap+0x182/0xb00 [ 182.629650] rtnetlink_rcv+0x10/0x20 [ 182.633445] netlink_unicast+0x443/0x650 [ 182.637584] ? netlink_attachskb+0x6c0/0x6c0 [ 182.642242] ? _copy_from_iter_full+0x182/0x720 [ 182.646996] ? __check_object_size+0x1ef/0x310 [ 182.651749] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 182.657660] netlink_sendmsg+0x764/0xc60 [ 182.661711] ? netlink_unicast+0x650/0x650 [ 182.666021] ? apparmor_socket_sendmsg+0x1b/0x20 [ 182.670873] ? netlink_unicast+0x650/0x650 [ 182.675106] sock_sendmsg+0xb5/0xf0 [ 182.679072] ___sys_sendmsg+0x647/0x950 [ 182.683042] ? find_held_lock+0x36/0x1d0 [ 182.688087] ? copy_msghdr_from_user+0x430/0x430 [ 182.692927] ? __fget+0x278/0x400 [ 182.696379] ? kasan_check_read+0x11/0x20 [ 182.700523] ? __fget+0x295/0x400 [ 182.704063] ? expand_files.part.8+0x700/0x700 [ 182.708632] ? __f_unlock_pos+0xd/0x10 [ 182.712697] ? __fget_light+0x174/0x1e0 [ 182.716657] ? __fdget+0xe/0x10 [ 182.719939] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 182.724900] __sys_sendmsg+0xd9/0x180 [ 182.728963] ? __ia32_sys_shutdown+0x70/0x70 [ 182.733504] ? __sb_end_write+0xa4/0xd0 [ 182.737536] ? kasan_check_write+0x14/0x20 [ 182.741846] ? fput+0x18/0x120 [ 182.745029] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.750478] __x64_sys_sendmsg+0x73/0xb0 [ 182.754961] do_syscall_64+0xd0/0x4e0 [ 182.758835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.764015] RIP: 0033:0x463d89 [ 182.767186] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 182.786632] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.795029] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 182.802431] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 182.809864] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 182.817488] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 182.825378] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 182.838727] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 182.857684] FAULT_INJECTION: forcing a failure. [ 182.857684] name failslab, interval 1, probability 0, space 0, times 0 [ 182.872219] CPU: 1 PID: 10848 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 182.880132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.889886] Call Trace: [ 182.892472] dump_stack+0x123/0x171 [ 182.896091] should_fail.cold.4+0x5/0xa [ 182.900252] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 182.905457] ? lock_downgrade+0x860/0x860 [ 182.909764] ? ___might_sleep+0x16b/0x270 [ 182.913993] __should_failslab+0xba/0xf0 [ 182.918150] should_failslab+0x9/0x20 [ 182.922307] kmem_cache_alloc_trace+0x2cb/0x740 [ 182.926997] ? qfq_change_class+0xa93/0x14e0 [ 182.931723] ? qfq_change_class+0xa93/0x14e0 [ 182.936386] ? __local_bh_enable_ip+0x160/0x260 [ 182.941263] qfq_change_class+0xad9/0x14e0 [ 182.945494] ? qfq_delete_class+0x2d0/0x2d0 [ 182.949922] ? nla_parse+0x197/0x280 [ 182.953625] tc_ctl_tclass+0x3e9/0xba0 [ 182.957522] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 182.962620] ? find_held_lock+0x36/0x1d0 [ 182.966677] rtnetlink_rcv_msg+0x34f/0x8f0 [ 182.970967] ? rtnetlink_put_metrics+0x490/0x490 [ 182.975820] ? find_held_lock+0x36/0x1d0 [ 182.979928] netlink_rcv_skb+0x13e/0x3d0 [ 182.983977] ? lock_downgrade+0x860/0x860 [ 182.988214] ? rtnetlink_put_metrics+0x490/0x490 [ 182.993132] ? netlink_ack+0xa70/0xa70 [ 182.997008] ? netlink_deliver_tap+0x182/0xb00 [ 183.001578] rtnetlink_rcv+0x10/0x20 [ 183.005284] netlink_unicast+0x443/0x650 [ 183.009553] ? netlink_attachskb+0x6c0/0x6c0 [ 183.013947] ? _copy_from_iter_full+0x182/0x720 [ 183.018712] ? __check_object_size+0x1ef/0x310 [ 183.023652] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 183.029179] netlink_sendmsg+0x764/0xc60 [ 183.033239] ? netlink_unicast+0x650/0x650 [ 183.037470] ? apparmor_socket_sendmsg+0x1b/0x20 [ 183.042308] ? netlink_unicast+0x650/0x650 [ 183.046623] sock_sendmsg+0xb5/0xf0 [ 183.050343] ___sys_sendmsg+0x647/0x950 [ 183.054366] ? find_held_lock+0x36/0x1d0 [ 183.058871] ? copy_msghdr_from_user+0x430/0x430 [ 183.063632] ? __fget+0x278/0x400 [ 183.067185] ? kasan_check_read+0x11/0x20 [ 183.071410] ? __fget+0x295/0x400 [ 183.074847] ? expand_files.part.8+0x700/0x700 [ 183.079429] ? __f_unlock_pos+0xd/0x10 [ 183.083305] ? __fget_light+0x174/0x1e0 [ 183.087271] ? __fdget+0xe/0x10 [ 183.090634] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 183.095478] __sys_sendmsg+0xd9/0x180 [ 183.099266] ? __ia32_sys_shutdown+0x70/0x70 [ 183.103675] ? __sb_end_write+0xa4/0xd0 [ 183.107735] ? kasan_check_write+0x14/0x20 [ 183.112429] ? fput+0x18/0x120 [ 183.115902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.122009] __x64_sys_sendmsg+0x73/0xb0 [ 183.126822] do_syscall_64+0xd0/0x4e0 [ 183.130627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.136230] RIP: 0033:0x463d89 [ 183.139750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 183.159596] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 183.167422] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 183.174692] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 183.182771] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 183.190501] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 183.197953] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 183.207844] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 183.227199] FAULT_INJECTION: forcing a failure. [ 183.227199] name failslab, interval 1, probability 0, space 0, times 0 [ 183.239288] CPU: 0 PID: 10858 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 183.247192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.256837] Call Trace: [ 183.259516] dump_stack+0x123/0x171 [ 183.263464] should_fail.cold.4+0x5/0xa [ 183.267703] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 183.273017] ? lock_downgrade+0x860/0x860 [ 183.277396] ? ___might_sleep+0x16b/0x270 [ 183.281760] __should_failslab+0xba/0xf0 [ 183.285839] should_failslab+0x9/0x20 [ 183.289831] kmem_cache_alloc_trace+0x2cb/0x740 [ 183.294821] ? qfq_change_class+0xa93/0x14e0 [ 183.299409] ? qfq_change_class+0xa93/0x14e0 [ 183.303940] ? __local_bh_enable_ip+0x160/0x260 [ 183.308798] qfq_change_class+0xad9/0x14e0 [ 183.313249] ? qfq_delete_class+0x2d0/0x2d0 [ 183.317643] ? nla_parse+0x197/0x280 [ 183.321624] tc_ctl_tclass+0x3e9/0xba0 [ 183.325598] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 183.330818] ? find_held_lock+0x36/0x1d0 [ 183.334925] rtnetlink_rcv_msg+0x34f/0x8f0 [ 183.339483] ? rtnetlink_put_metrics+0x490/0x490 [ 183.344713] ? find_held_lock+0x36/0x1d0 [ 183.348948] netlink_rcv_skb+0x13e/0x3d0 [ 183.355142] ? lock_downgrade+0x860/0x860 [ 183.360071] ? rtnetlink_put_metrics+0x490/0x490 [ 183.366602] ? netlink_ack+0xa70/0xa70 [ 183.371856] ? netlink_deliver_tap+0x182/0xb00 [ 183.378345] rtnetlink_rcv+0x10/0x20 [ 183.387980] netlink_unicast+0x443/0x650 [ 183.395532] ? netlink_attachskb+0x6c0/0x6c0 [ 183.400954] ? _copy_from_iter_full+0x182/0x720 [ 183.406563] ? __check_object_size+0x1ef/0x310 [ 183.413167] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 183.419803] netlink_sendmsg+0x764/0xc60 [ 183.423868] ? netlink_unicast+0x650/0x650 [ 183.428290] ? apparmor_socket_sendmsg+0x1b/0x20 [ 183.433813] ? netlink_unicast+0x650/0x650 [ 183.438637] sock_sendmsg+0xb5/0xf0 [ 183.442370] ___sys_sendmsg+0x647/0x950 [ 183.447120] ? find_held_lock+0x36/0x1d0 [ 183.451245] ? copy_msghdr_from_user+0x430/0x430 [ 183.456086] ? __fget+0x278/0x400 [ 183.459524] ? kasan_check_read+0x11/0x20 [ 183.463861] ? __fget+0x295/0x400 [ 183.467474] ? expand_files.part.8+0x700/0x700 [ 183.472040] ? __f_unlock_pos+0xd/0x10 [ 183.476086] ? __fget_light+0x174/0x1e0 [ 183.480240] ? __fdget+0xe/0x10 [ 183.483833] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 183.489304] __sys_sendmsg+0xd9/0x180 [ 183.493269] ? __ia32_sys_shutdown+0x70/0x70 [ 183.497761] ? __sb_end_write+0xa4/0xd0 [ 183.501745] ? kasan_check_write+0x14/0x20 [ 183.505972] ? fput+0x18/0x120 [ 183.509356] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.514894] __x64_sys_sendmsg+0x73/0xb0 [ 183.519031] do_syscall_64+0xd0/0x4e0 [ 183.523230] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.528723] RIP: 0033:0x463d89 [ 183.531989] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 183.551441] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 183.559637] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 183.567247] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 183.574717] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 183.582166] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 183.589770] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 183.599069] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 183.623510] FAULT_INJECTION: forcing a failure. [ 183.623510] name failslab, interval 1, probability 0, space 0, times 0 [ 183.637974] CPU: 0 PID: 10868 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 183.646186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.655865] Call Trace: [ 183.658539] dump_stack+0x123/0x171 [ 183.662316] should_fail.cold.4+0x5/0xa [ 183.666417] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 183.671598] ? lock_downgrade+0x860/0x860 [ 183.676067] ? ___might_sleep+0x16b/0x270 [ 183.680570] __should_failslab+0xba/0xf0 [ 183.684754] should_failslab+0x9/0x20 [ 183.688747] kmem_cache_alloc_trace+0x2cb/0x740 [ 183.693867] ? qfq_change_class+0xa93/0x14e0 [ 183.698392] ? qfq_change_class+0xa93/0x14e0 [ 183.702802] ? __local_bh_enable_ip+0x160/0x260 [ 183.707730] qfq_change_class+0xad9/0x14e0 [ 183.711962] ? qfq_delete_class+0x2d0/0x2d0 [ 183.716545] ? nla_parse+0x197/0x280 [ 183.720835] tc_ctl_tclass+0x3e9/0xba0 [ 183.724822] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 183.730370] ? find_held_lock+0x36/0x1d0 [ 183.734615] rtnetlink_rcv_msg+0x34f/0x8f0 [ 183.739240] ? rtnetlink_put_metrics+0x490/0x490 [ 183.744125] ? find_held_lock+0x36/0x1d0 [ 183.748378] netlink_rcv_skb+0x13e/0x3d0 [ 183.752784] ? lock_downgrade+0x860/0x860 [ 183.757507] ? rtnetlink_put_metrics+0x490/0x490 [ 183.762370] ? netlink_ack+0xa70/0xa70 [ 183.766277] ? netlink_deliver_tap+0x182/0xb00 [ 183.771181] rtnetlink_rcv+0x10/0x20 [ 183.775222] netlink_unicast+0x443/0x650 [ 183.779281] ? netlink_attachskb+0x6c0/0x6c0 [ 183.783706] ? _copy_from_iter_full+0x182/0x720 [ 183.788480] ? __check_object_size+0x1ef/0x310 [ 183.793445] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 183.799062] netlink_sendmsg+0x764/0xc60 [ 183.803215] ? netlink_unicast+0x650/0x650 [ 183.807751] ? apparmor_socket_sendmsg+0x1b/0x20 [ 183.812596] ? netlink_unicast+0x650/0x650 [ 183.816994] sock_sendmsg+0xb5/0xf0 [ 183.821037] ___sys_sendmsg+0x647/0x950 [ 183.825191] ? find_held_lock+0x36/0x1d0 [ 183.829820] ? copy_msghdr_from_user+0x430/0x430 [ 183.834576] ? __fget+0x278/0x400 [ 183.838020] ? kasan_check_read+0x11/0x20 [ 183.842369] ? __fget+0x295/0x400 [ 183.845912] ? expand_files.part.8+0x700/0x700 [ 183.850709] ? __f_unlock_pos+0xd/0x10 [ 183.854632] ? __fget_light+0x174/0x1e0 [ 183.858681] ? __fdget+0xe/0x10 [ 183.861978] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 183.866910] __sys_sendmsg+0xd9/0x180 [ 183.870893] ? __ia32_sys_shutdown+0x70/0x70 [ 183.875506] ? __sb_end_write+0xa4/0xd0 [ 183.879770] ? kasan_check_write+0x14/0x20 [ 183.884179] ? fput+0x18/0x120 [ 183.887375] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.892916] __x64_sys_sendmsg+0x73/0xb0 [ 183.897079] do_syscall_64+0xd0/0x4e0 [ 183.900994] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.906564] RIP: 0033:0x463d89 [ 183.910054] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 183.930687] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 183.939099] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 183.946413] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 183.954335] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 183.962050] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 183.969805] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 183.981601] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 183.999897] FAULT_INJECTION: forcing a failure. [ 183.999897] name failslab, interval 1, probability 0, space 0, times 0 [ 184.012724] CPU: 0 PID: 10878 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0 [ 184.020747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.030624] Call Trace: [ 184.033613] dump_stack+0x123/0x171 [ 184.037367] should_fail.cold.4+0x5/0xa [ 184.041534] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 184.046990] ? lock_downgrade+0x860/0x860 [ 184.051414] ? ___might_sleep+0x16b/0x270 [ 184.055558] __should_failslab+0xba/0xf0 [ 184.060133] should_failslab+0x9/0x20 [ 184.064012] kmem_cache_alloc_trace+0x2cb/0x740 [ 184.068762] ? qfq_change_class+0xa93/0x14e0 [ 184.073348] ? qfq_change_class+0xa93/0x14e0 [ 184.078011] ? __local_bh_enable_ip+0x160/0x260 [ 184.082771] qfq_change_class+0xad9/0x14e0 [ 184.087202] ? qfq_delete_class+0x2d0/0x2d0 [ 184.092047] ? nla_parse+0x197/0x280 [ 184.095943] tc_ctl_tclass+0x3e9/0xba0 [ 184.100138] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 184.105407] ? find_held_lock+0x36/0x1d0 [ 184.109557] rtnetlink_rcv_msg+0x34f/0x8f0 [ 184.113808] ? rtnetlink_put_metrics+0x490/0x490 [ 184.118674] ? find_held_lock+0x36/0x1d0 [ 184.122764] netlink_rcv_skb+0x13e/0x3d0 [ 184.126953] ? lock_downgrade+0x860/0x860 [ 184.131090] ? rtnetlink_put_metrics+0x490/0x490 [ 184.136094] ? netlink_ack+0xa70/0xa70 [ 184.140209] ? netlink_deliver_tap+0x182/0xb00 [ 184.145055] rtnetlink_rcv+0x10/0x20 [ 184.148864] netlink_unicast+0x443/0x650 [ 184.153293] ? netlink_attachskb+0x6c0/0x6c0 [ 184.157854] ? _copy_from_iter_full+0x182/0x720 [ 184.162935] ? __check_object_size+0x1ef/0x310 [ 184.167726] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 184.173271] netlink_sendmsg+0x764/0xc60 [ 184.178152] ? netlink_unicast+0x650/0x650 [ 184.182526] ? apparmor_socket_sendmsg+0x1b/0x20 [ 184.187664] ? netlink_unicast+0x650/0x650 [ 184.191896] sock_sendmsg+0xb5/0xf0 [ 184.195655] ___sys_sendmsg+0x647/0x950 [ 184.199953] ? find_held_lock+0x36/0x1d0 [ 184.204129] ? copy_msghdr_from_user+0x430/0x430 [ 184.209200] ? __fget+0x278/0x400 [ 184.212667] ? kasan_check_read+0x11/0x20 [ 184.216826] ? __fget+0x295/0x400 [ 184.220371] ? expand_files.part.8+0x700/0x700 [ 184.225267] ? __f_unlock_pos+0xd/0x10 [ 184.229250] ? __fget_light+0x174/0x1e0 [ 184.233324] ? __fdget+0xe/0x10 [ 184.236601] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 184.241667] __sys_sendmsg+0xd9/0x180 [ 184.245810] ? __ia32_sys_shutdown+0x70/0x70 [ 184.250296] ? __sb_end_write+0xa4/0xd0 [ 184.254269] ? kasan_check_write+0x14/0x20 [ 184.258587] ? fput+0x18/0x120 [ 184.261778] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.267207] __x64_sys_sendmsg+0x73/0xb0 [ 184.271369] do_syscall_64+0xd0/0x4e0 [ 184.275314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.281064] RIP: 0033:0x463d89 [ 184.284419] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 184.304637] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 184.312428] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 184.320018] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 184.327428] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 184.334790] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 184.342234] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 184.365273] FAULT_INJECTION: forcing a failure. [ 184.365273] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 184.377456] CPU: 1 PID: 10902 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 [ 184.385553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.395329] Call Trace: [ 184.397951] dump_stack+0x123/0x171 [ 184.401754] should_fail.cold.4+0x5/0xa [ 184.405908] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 184.412563] ? save_stack+0xa9/0xd0 [ 184.416690] __alloc_pages_nodemask+0x1d5/0x710 [ 184.421438] ? __alloc_pages_slowpath+0x2560/0x2560 [ 184.426579] cache_grow_begin+0x91/0x8d0 [ 184.430994] ? kmem_cache_alloc_node_trace+0xae/0x730 [ 184.436260] kmem_cache_alloc_node_trace+0x665/0x730 [ 184.441356] __kmalloc_node+0x3c/0x70 [ 184.445144] qdisc_alloc+0xb1/0x9a0 [ 184.448761] ? kmem_cache_alloc_trace+0x347/0x740 [ 184.454044] qdisc_create_dflt+0x5e/0x1a0 [ 184.458284] qfq_change_class+0x6ae/0x14e0 [ 184.462871] ? security_capable+0x58/0xa0 [ 184.467148] ? qfq_delete_class+0x2d0/0x2d0 [ 184.471735] ? nla_parse+0x197/0x280 [ 184.475874] tc_ctl_tclass+0x3e9/0xba0 [ 184.480267] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 184.485464] ? find_held_lock+0x36/0x1d0 [ 184.489531] rtnetlink_rcv_msg+0x34f/0x8f0 [ 184.493860] ? rtnetlink_put_metrics+0x490/0x490 [ 184.498609] ? find_held_lock+0x36/0x1d0 [ 184.502866] netlink_rcv_skb+0x13e/0x3d0 [ 184.506918] ? lock_downgrade+0x860/0x860 [ 184.511051] ? rtnetlink_put_metrics+0x490/0x490 [ 184.515995] ? netlink_ack+0xa70/0xa70 [ 184.519970] ? netlink_deliver_tap+0x182/0xb00 [ 184.524542] rtnetlink_rcv+0x10/0x20 [ 184.528442] netlink_unicast+0x443/0x650 [ 184.532675] ? netlink_attachskb+0x6c0/0x6c0 [ 184.537079] ? _copy_from_iter_full+0x182/0x720 [ 184.541861] ? __check_object_size+0x1ef/0x310 [ 184.546431] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 184.552405] netlink_sendmsg+0x764/0xc60 [ 184.556687] ? netlink_unicast+0x650/0x650 [ 184.561201] ? apparmor_socket_sendmsg+0x1b/0x20 [ 184.566188] ? netlink_unicast+0x650/0x650 [ 184.570504] sock_sendmsg+0xb5/0xf0 [ 184.574126] ___sys_sendmsg+0x647/0x950 [ 184.578087] ? find_held_lock+0x36/0x1d0 [ 184.582236] ? copy_msghdr_from_user+0x430/0x430 [ 184.587412] ? __fget+0x278/0x400 [ 184.590940] ? kasan_check_read+0x11/0x20 [ 184.595347] ? __fget+0x295/0x400 [ 184.598964] ? expand_files.part.8+0x700/0x700 [ 184.603621] ? __f_unlock_pos+0xd/0x10 [ 184.607582] ? __fget_light+0x174/0x1e0 [ 184.611745] ? __fdget+0xe/0x10 [ 184.615080] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 184.619927] __sys_sendmsg+0xd9/0x180 [ 184.623908] ? __ia32_sys_shutdown+0x70/0x70 [ 184.628302] ? __sb_end_write+0xa4/0xd0 [ 184.632449] ? kasan_check_write+0x14/0x20 [ 184.636761] ? fput+0x18/0x120 [ 184.640255] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.645783] __x64_sys_sendmsg+0x73/0xb0 [ 184.650044] do_syscall_64+0xd0/0x4e0 [ 184.653831] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.659213] RIP: 0033:0x463d89 [ 184.662544] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 184.681927] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 184.689836] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 184.697516] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 184.704880] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 184.712227] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 184.719623] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 184.739774] FAULT_INJECTION: forcing a failure. [ 184.739774] name failslab, interval 1, probability 0, space 0, times 0 [ 184.757480] CPU: 1 PID: 10907 Comm: syz-executor.5 Not tainted 4.19.188-syzkaller #0 [ 184.765598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.775155] Call Trace: [ 184.777765] dump_stack+0x123/0x171 [ 184.781694] should_fail.cold.4+0x5/0xa [ 184.785803] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 184.790998] ? lock_downgrade+0x860/0x860 [ 184.795241] ? ___might_sleep+0x16b/0x270 [ 184.799642] __should_failslab+0xba/0xf0 [ 184.803704] should_failslab+0x9/0x20 [ 184.807586] kmem_cache_alloc_trace+0x2cb/0x740 [ 184.812420] ? qfq_change_class+0xa93/0x14e0 [ 184.816907] ? qfq_change_class+0xa93/0x14e0 [ 184.821594] ? __local_bh_enable_ip+0x160/0x260 [ 184.826564] qfq_change_class+0xad9/0x14e0 [ 184.830800] ? qfq_delete_class+0x2d0/0x2d0 [ 184.835190] ? nla_parse+0x197/0x280 [ 184.838954] tc_ctl_tclass+0x3e9/0xba0 [ 184.842940] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 184.848400] ? find_held_lock+0x36/0x1d0 [ 184.852463] rtnetlink_rcv_msg+0x34f/0x8f0 [ 184.857127] ? rtnetlink_put_metrics+0x490/0x490 [ 184.862166] ? find_held_lock+0x36/0x1d0 [ 184.866321] netlink_rcv_skb+0x13e/0x3d0 [ 184.870802] ? lock_downgrade+0x860/0x860 [ 184.874997] ? rtnetlink_put_metrics+0x490/0x490 [ 184.879973] ? netlink_ack+0xa70/0xa70 [ 184.884868] ? netlink_deliver_tap+0x182/0xb00 [ 184.889576] rtnetlink_rcv+0x10/0x20 [ 184.893405] netlink_unicast+0x443/0x650 [ 184.897513] ? netlink_attachskb+0x6c0/0x6c0 [ 184.902453] ? _copy_from_iter_full+0x182/0x720 [ 184.907215] ? __check_object_size+0x1ef/0x310 [ 184.912444] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 184.918252] netlink_sendmsg+0x764/0xc60 [ 184.922420] ? netlink_unicast+0x650/0x650 [ 184.927150] ? apparmor_socket_sendmsg+0x1b/0x20 [ 184.932264] ? netlink_unicast+0x650/0x650 [ 184.936595] sock_sendmsg+0xb5/0xf0 [ 184.940330] ___sys_sendmsg+0x647/0x950 [ 184.944390] ? find_held_lock+0x36/0x1d0 [ 184.948455] ? copy_msghdr_from_user+0x430/0x430 [ 184.953595] ? __fget+0x278/0x400 [ 184.957301] ? kasan_check_read+0x11/0x20 [ 184.961584] ? __fget+0x295/0x400 [ 184.965149] ? expand_files.part.8+0x700/0x700 [ 184.970551] ? __f_unlock_pos+0xd/0x10 [ 184.974624] ? __fget_light+0x174/0x1e0 [ 184.978592] ? __fdget+0xe/0x10 [ 184.982124] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 184.987185] __sys_sendmsg+0xd9/0x180 [ 184.990974] ? __ia32_sys_shutdown+0x70/0x70 [ 184.995461] ? __sb_end_write+0xa4/0xd0 [ 184.999899] ? kasan_check_write+0x14/0x20 [ 185.004517] ? fput+0x18/0x120 [ 185.008320] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.013954] __x64_sys_sendmsg+0x73/0xb0 [ 185.018022] do_syscall_64+0xd0/0x4e0 [ 185.021964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.027234] RIP: 0033:0x463d89 [ 185.030508] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 185.050500] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 185.058377] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 185.066093] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 185.073680] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 185.081218] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 2021/04/24 20:08:39 executed programs: 378 [ 185.088694] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 185.097883] FAULT_INJECTION: forcing a failure. [ 185.097883] name failslab, interval 1, probability 0, space 0, times 0 [ 185.110848] CPU: 1 PID: 10908 Comm: syz-executor.2 Not tainted 4.19.188-syzkaller #0 [ 185.119096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.128452] Call Trace: [ 185.131043] dump_stack+0x123/0x171 [ 185.134675] should_fail.cold.4+0x5/0xa [ 185.138837] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 185.144085] ? lock_downgrade+0x860/0x860 [ 185.148258] ? ___might_sleep+0x16b/0x270 [ 185.152496] __should_failslab+0xba/0xf0 [ 185.156664] should_failslab+0x9/0x20 [ 185.160465] kmem_cache_alloc_trace+0x2cb/0x740 [ 185.165548] ? qfq_change_class+0xa93/0x14e0 [ 185.170001] ? qfq_change_class+0xa93/0x14e0 [ 185.174531] ? __local_bh_enable_ip+0x160/0x260 [ 185.179405] qfq_change_class+0xad9/0x14e0 [ 185.183899] ? qfq_delete_class+0x2d0/0x2d0 [ 185.188232] ? nla_parse+0x197/0x280 [ 185.191932] tc_ctl_tclass+0x3e9/0xba0 [ 185.195893] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 185.201378] ? find_held_lock+0x36/0x1d0 [ 185.205435] rtnetlink_rcv_msg+0x34f/0x8f0 [ 185.209756] ? rtnetlink_put_metrics+0x490/0x490 [ 185.214748] ? find_held_lock+0x36/0x1d0 [ 185.218978] netlink_rcv_skb+0x13e/0x3d0 [ 185.223121] ? lock_downgrade+0x860/0x860 [ 185.227795] ? rtnetlink_put_metrics+0x490/0x490 [ 185.232731] ? netlink_ack+0xa70/0xa70 [ 185.236613] ? netlink_deliver_tap+0x182/0xb00 [ 185.241343] rtnetlink_rcv+0x10/0x20 [ 185.245047] netlink_unicast+0x443/0x650 [ 185.249186] ? netlink_attachskb+0x6c0/0x6c0 [ 185.253755] ? _copy_from_iter_full+0x182/0x720 [ 185.258688] ? __check_object_size+0x1ef/0x310 [ 185.263273] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 185.268813] netlink_sendmsg+0x764/0xc60 [ 185.272869] ? netlink_unicast+0x650/0x650 [ 185.277318] ? apparmor_socket_sendmsg+0x1b/0x20 [ 185.282448] ? netlink_unicast+0x650/0x650 [ 185.286775] sock_sendmsg+0xb5/0xf0 [ 185.290402] ___sys_sendmsg+0x647/0x950 [ 185.294838] ? find_held_lock+0x36/0x1d0 [ 185.299780] ? copy_msghdr_from_user+0x430/0x430 [ 185.305037] ? __fget+0x278/0x400 [ 185.308576] ? kasan_check_read+0x11/0x20 [ 185.312974] ? __fget+0x295/0x400 [ 185.316593] ? expand_files.part.8+0x700/0x700 [ 185.321352] ? __f_unlock_pos+0xd/0x10 [ 185.325933] ? __fget_light+0x174/0x1e0 [ 185.330083] ? __fdget+0xe/0x10 [ 185.333549] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 185.338577] __sys_sendmsg+0xd9/0x180 [ 185.342549] ? __ia32_sys_shutdown+0x70/0x70 [ 185.347148] ? __sb_end_write+0xa4/0xd0 [ 185.351481] ? kasan_check_write+0x14/0x20 [ 185.356150] ? fput+0x18/0x120 [ 185.359440] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.365222] __x64_sys_sendmsg+0x73/0xb0 [ 185.369293] do_syscall_64+0xd0/0x4e0 [ 185.373286] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.378668] RIP: 0033:0x463d89 [ 185.382095] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 185.402365] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 185.410477] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 185.417947] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 185.425336] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 185.433892] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 185.441337] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 185.466986] FAULT_INJECTION: forcing a failure. [ 185.466986] name failslab, interval 1, probability 0, space 0, times 0 [ 185.480656] CPU: 1 PID: 10927 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 [ 185.489462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.499611] Call Trace: [ 185.502518] dump_stack+0x123/0x171 [ 185.506269] should_fail.cold.4+0x5/0xa [ 185.510332] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 185.515593] ? lock_downgrade+0x860/0x860 [ 185.519816] ? ___might_sleep+0x16b/0x270 [ 185.523955] __should_failslab+0xba/0xf0 [ 185.528796] should_failslab+0x9/0x20 [ 185.532685] kmem_cache_alloc_trace+0x2cb/0x740 [ 185.537605] ? qfq_change_class+0xa93/0x14e0 [ 185.542263] ? qfq_change_class+0xa93/0x14e0 [ 185.546926] ? __local_bh_enable_ip+0x160/0x260 [ 185.551674] qfq_change_class+0xad9/0x14e0 [ 185.556006] ? qfq_delete_class+0x2d0/0x2d0 [ 185.560405] ? nla_parse+0x197/0x280 [ 185.564105] tc_ctl_tclass+0x3e9/0xba0 [ 185.568155] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 185.573580] ? find_held_lock+0x36/0x1d0 [ 185.578081] rtnetlink_rcv_msg+0x34f/0x8f0 [ 185.582573] ? rtnetlink_put_metrics+0x490/0x490 [ 185.587316] ? find_held_lock+0x36/0x1d0 [ 185.591541] netlink_rcv_skb+0x13e/0x3d0 [ 185.595613] ? lock_downgrade+0x860/0x860 [ 185.600039] ? rtnetlink_put_metrics+0x490/0x490 [ 185.604796] ? netlink_ack+0xa70/0xa70 [ 185.608668] ? netlink_deliver_tap+0x182/0xb00 [ 185.613689] rtnetlink_rcv+0x10/0x20 [ 185.617385] netlink_unicast+0x443/0x650 [ 185.621607] ? netlink_attachskb+0x6c0/0x6c0 [ 185.626361] ? _copy_from_iter_full+0x182/0x720 [ 185.631024] ? __check_object_size+0x1ef/0x310 [ 185.635866] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 185.641404] netlink_sendmsg+0x764/0xc60 [ 185.646002] ? netlink_unicast+0x650/0x650 [ 185.650335] ? apparmor_socket_sendmsg+0x1b/0x20 [ 185.655174] ? netlink_unicast+0x650/0x650 [ 185.659740] sock_sendmsg+0xb5/0xf0 [ 185.663532] ___sys_sendmsg+0x647/0x950 [ 185.667508] ? find_held_lock+0x36/0x1d0 [ 185.671586] ? copy_msghdr_from_user+0x430/0x430 [ 185.676456] ? __fget+0x278/0x400 [ 185.680075] ? kasan_check_read+0x11/0x20 [ 185.684214] ? __fget+0x295/0x400 [ 185.687669] ? expand_files.part.8+0x700/0x700 [ 185.692237] ? __f_unlock_pos+0xd/0x10 [ 185.696109] ? __fget_light+0x174/0x1e0 [ 185.700155] ? __fdget+0xe/0x10 [ 185.703420] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 185.708624] __sys_sendmsg+0xd9/0x180 [ 185.712561] ? __ia32_sys_shutdown+0x70/0x70 [ 185.716964] ? __sb_end_write+0xa4/0xd0 [ 185.721122] ? kasan_check_write+0x14/0x20 [ 185.725463] ? fput+0x18/0x120 [ 185.728856] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.734303] __x64_sys_sendmsg+0x73/0xb0 [ 185.738550] do_syscall_64+0xd0/0x4e0 [ 185.742533] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.747987] RIP: 0033:0x463d89 [ 185.751364] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 185.770626] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 185.779051] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 185.787311] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 185.794673] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 185.802129] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 185.810607] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 185.820350] FAULT_INJECTION: forcing a failure. [ 185.820350] name failslab, interval 1, probability 0, space 0, times 0 [ 185.847949] CPU: 1 PID: 10939 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 185.856135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.865742] Call Trace: [ 185.868325] dump_stack+0x123/0x171 [ 185.872548] should_fail.cold.4+0x5/0xa [ 185.876606] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 185.881866] ? lock_downgrade+0x860/0x860 [ 185.886112] ? ___might_sleep+0x16b/0x270 [ 185.890253] __should_failslab+0xba/0xf0 [ 185.894399] should_failslab+0x9/0x20 [ 185.898307] kmem_cache_alloc_trace+0x2cb/0x740 [ 185.902963] ? qfq_change_class+0xa93/0x14e0 [ 185.907372] ? qfq_change_class+0xa93/0x14e0 [ 185.911859] ? __local_bh_enable_ip+0x160/0x260 [ 185.916818] qfq_change_class+0xad9/0x14e0 [ 185.921141] ? qfq_delete_class+0x2d0/0x2d0 [ 185.925448] ? nla_parse+0x197/0x280 [ 185.929168] tc_ctl_tclass+0x3e9/0xba0 [ 185.933148] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 185.938262] ? find_held_lock+0x36/0x1d0 [ 185.942319] rtnetlink_rcv_msg+0x34f/0x8f0 [ 185.946627] ? rtnetlink_put_metrics+0x490/0x490 [ 185.951558] ? find_held_lock+0x36/0x1d0 [ 185.955793] netlink_rcv_skb+0x13e/0x3d0 [ 185.961583] ? lock_downgrade+0x860/0x860 [ 185.965816] ? rtnetlink_put_metrics+0x490/0x490 [ 185.970657] ? netlink_ack+0xa70/0xa70 [ 185.974531] ? netlink_deliver_tap+0x182/0xb00 [ 185.979115] rtnetlink_rcv+0x10/0x20 [ 185.982835] netlink_unicast+0x443/0x650 [ 185.987180] ? netlink_attachskb+0x6c0/0x6c0 [ 185.991678] ? _copy_from_iter_full+0x182/0x720 [ 185.996336] ? __check_object_size+0x1ef/0x310 [ 186.001074] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 186.006688] netlink_sendmsg+0x764/0xc60 [ 186.010826] ? netlink_unicast+0x650/0x650 [ 186.015135] ? apparmor_socket_sendmsg+0x1b/0x20 [ 186.020169] ? netlink_unicast+0x650/0x650 [ 186.024394] sock_sendmsg+0xb5/0xf0 [ 186.028110] ___sys_sendmsg+0x647/0x950 [ 186.032375] ? find_held_lock+0x36/0x1d0 [ 186.036493] ? copy_msghdr_from_user+0x430/0x430 [ 186.041354] ? __fget+0x278/0x400 [ 186.044804] ? kasan_check_read+0x11/0x20 [ 186.049150] ? __fget+0x295/0x400 [ 186.052606] ? expand_files.part.8+0x700/0x700 [ 186.057448] ? __f_unlock_pos+0xd/0x10 [ 186.061336] ? __fget_light+0x174/0x1e0 [ 186.065471] ? __fdget+0xe/0x10 [ 186.068820] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 186.073831] __sys_sendmsg+0xd9/0x180 [ 186.077803] ? __ia32_sys_shutdown+0x70/0x70 [ 186.082604] ? __sb_end_write+0xa4/0xd0 [ 186.086750] ? kasan_check_write+0x14/0x20 [ 186.091241] ? fput+0x18/0x120 [ 186.094524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.100180] __x64_sys_sendmsg+0x73/0xb0 [ 186.104431] do_syscall_64+0xd0/0x4e0 [ 186.108340] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.113912] RIP: 0033:0x463d89 [ 186.117114] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 186.136902] RSP: 002b:00007f366e9c0198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 186.144690] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 186.151964] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 186.159247] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 186.166610] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 186.174297] R13: 00007f366e9c06bc R14: 0000000000000009 R15: 0000000000000001 [ 186.184047] ================================================================== [ 186.192151] BUG: KASAN: use-after-free in qfq_search_class+0x181/0x1f0 [ 186.198818] Read of size 4 at addr ffff8881df0ab840 by task syz-executor.3/10928 [ 186.206529] [ 186.208152] CPU: 0 PID: 10928 Comm: syz-executor.3 Not tainted 4.19.188-syzkaller #0 [ 186.216223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.225890] Call Trace: [ 186.228567] dump_stack+0x123/0x171 [ 186.233239] print_address_description.cold.8+0x9/0x1ff [ 186.238608] kasan_report.cold.9+0x242/0x2fe [ 186.243018] ? qfq_search_class+0x181/0x1f0 [ 186.247351] __asan_report_load4_noabort+0x14/0x20 [ 186.252463] qfq_search_class+0x181/0x1f0 [ 186.256713] ? qdisc_lookup+0x48/0x1a0 [ 186.260584] tc_ctl_tclass+0x63a/0xba0 [ 186.264657] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 186.269758] ? find_held_lock+0x36/0x1d0 [ 186.273835] rtnetlink_rcv_msg+0x34f/0x8f0 [ 186.278178] ? rtnetlink_put_metrics+0x490/0x490 [ 186.282937] ? find_held_lock+0x36/0x1d0 [ 186.287228] netlink_rcv_skb+0x13e/0x3d0 [ 186.291479] ? lock_downgrade+0x860/0x860 [ 186.295868] ? rtnetlink_put_metrics+0x490/0x490 [ 186.300879] ? netlink_ack+0xa70/0xa70 [ 186.304859] ? netlink_deliver_tap+0x182/0xb00 [ 186.309540] rtnetlink_rcv+0x10/0x20 [ 186.313359] netlink_unicast+0x443/0x650 [ 186.317547] ? netlink_attachskb+0x6c0/0x6c0 [ 186.322794] ? _copy_from_iter_full+0x182/0x720 [ 186.327694] ? __check_object_size+0x1ef/0x310 [ 186.332648] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 186.338321] netlink_sendmsg+0x764/0xc60 [ 186.342380] ? netlink_unicast+0x650/0x650 [ 186.346643] ? apparmor_socket_sendmsg+0x1b/0x20 [ 186.351933] ? netlink_unicast+0x650/0x650 [ 186.356645] sock_sendmsg+0xb5/0xf0 [ 186.360453] ___sys_sendmsg+0x647/0x950 [ 186.364800] ? find_held_lock+0x36/0x1d0 [ 186.369992] ? copy_msghdr_from_user+0x430/0x430 [ 186.375029] ? __fget+0x278/0x400 [ 186.378964] ? kasan_check_read+0x11/0x20 [ 186.383197] ? __fget+0x295/0x400 [ 186.386841] ? expand_files.part.8+0x700/0x700 [ 186.391600] ? __fget_light+0x174/0x1e0 [ 186.395848] ? __fdget+0xe/0x10 [ 186.399227] __sys_sendmsg+0xd9/0x180 [ 186.403030] ? __ia32_sys_shutdown+0x70/0x70 [ 186.407455] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.412839] __x64_sys_sendmsg+0x73/0xb0 [ 186.416951] do_syscall_64+0xd0/0x4e0 [ 186.420837] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.426024] RIP: 0033:0x463d89 [ 186.429201] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 186.448578] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 186.456466] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 186.463814] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 186.471319] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 186.478920] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 186.486446] R13: 00007f366e9e16bc R14: 00000000ffffffff R15: 0000000000000003 [ 186.494327] [ 186.495970] Allocated by task 10939: [ 186.499696] save_stack+0x43/0xd0 [ 186.503379] kasan_kmalloc+0xc7/0xe0 [ 186.507203] kmem_cache_alloc_trace+0x152/0x740 [ 186.511945] qfq_change_class+0x613/0x14e0 [ 186.516177] tc_ctl_tclass+0x3e9/0xba0 [ 186.520149] rtnetlink_rcv_msg+0x34f/0x8f0 [ 186.524801] netlink_rcv_skb+0x13e/0x3d0 [ 186.529156] rtnetlink_rcv+0x10/0x20 [ 186.532948] netlink_unicast+0x443/0x650 [ 186.537115] netlink_sendmsg+0x764/0xc60 [ 186.541361] sock_sendmsg+0xb5/0xf0 [ 186.545193] ___sys_sendmsg+0x647/0x950 [ 186.549266] __sys_sendmsg+0xd9/0x180 [ 186.553246] __x64_sys_sendmsg+0x73/0xb0 [ 186.557615] do_syscall_64+0xd0/0x4e0 [ 186.561528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.567206] [ 186.568975] Freed by task 10939: [ 186.572720] save_stack+0x43/0xd0 [ 186.576403] __kasan_slab_free+0x102/0x150 [ 186.580907] kasan_slab_free+0xe/0x10 [ 186.585102] kfree+0xcf/0x220 [ 186.588620] qfq_change_class+0xd44/0x14e0 [ 186.593027] tc_ctl_tclass+0x3e9/0xba0 [ 186.596901] rtnetlink_rcv_msg+0x34f/0x8f0 [ 186.601620] netlink_rcv_skb+0x13e/0x3d0 [ 186.605862] rtnetlink_rcv+0x10/0x20 [ 186.609731] netlink_unicast+0x443/0x650 [ 186.613795] netlink_sendmsg+0x764/0xc60 [ 186.618191] sock_sendmsg+0xb5/0xf0 [ 186.622039] ___sys_sendmsg+0x647/0x950 [ 186.626194] __sys_sendmsg+0xd9/0x180 [ 186.630162] __x64_sys_sendmsg+0x73/0xb0 [ 186.634384] do_syscall_64+0xd0/0x4e0 [ 186.638263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.643724] [ 186.645334] The buggy address belongs to the object at ffff8881df0ab840 [ 186.645334] which belongs to the cache kmalloc-128 of size 128 [ 186.658058] The buggy address is located 0 bytes inside of [ 186.658058] 128-byte region [ffff8881df0ab840, ffff8881df0ab8c0) [ 186.669928] The buggy address belongs to the page: [ 186.675036] page:ffffea00077c2ac0 count:1 mapcount:0 mapping:ffff8881f6400640 index:0x0 [ 186.683340] flags: 0x17ffe0000000100(slab) [ 186.687591] raw: 017ffe0000000100 ffffea0007579548 ffffea00077e9188 ffff8881f6400640 [ 186.695823] raw: 0000000000000000 ffff8881df0ab000 0000000100000015 0000000000000000 [ 186.704295] page dumped because: kasan: bad access detected [ 186.710185] [ 186.711828] Memory state around the buggy address: [ 186.717234] ffff8881df0ab700: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 186.724695] ffff8881df0ab780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 186.732254] >ffff8881df0ab800: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 186.739762] ^ [ 186.745202] ffff8881df0ab880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 186.753169] ffff8881df0ab900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 186.760602] ================================================================== [ 186.768034] Disabling lock debugging due to kernel taint [ 186.775214] nla_parse: 5 callbacks suppressed [ 186.775218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 186.806346] FAULT_INJECTION: forcing a failure. [ 186.806346] name failslab, interval 1, probability 0, space 0, times 0 [ 186.818949] CPU: 1 PID: 10944 Comm: syz-executor.4 Tainted: G B 4.19.188-syzkaller #0 [ 186.828779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.838470] Call Trace: [ 186.841040] dump_stack+0x123/0x171 [ 186.844689] should_fail.cold.4+0x5/0xa [ 186.848907] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 186.854379] ? lock_downgrade+0x860/0x860 [ 186.858970] ? set_page_refcounted+0x100/0x100 [ 186.863712] ? ___might_sleep+0x16b/0x270 [ 186.867852] __should_failslab+0xba/0xf0 [ 186.872004] should_failslab+0x9/0x20 [ 186.875782] kmem_cache_alloc_trace+0x2cb/0x740 [ 186.880425] ? qfq_change_class+0xa93/0x14e0 [ 186.885019] ? qfq_change_class+0xa93/0x14e0 [ 186.889432] ? __local_bh_enable_ip+0x160/0x260 [ 186.894169] qfq_change_class+0xad9/0x14e0 [ 186.898377] ? qfq_delete_class+0x2d0/0x2d0 [ 186.902677] ? nla_parse+0x197/0x280 [ 186.906626] tc_ctl_tclass+0x3e9/0xba0 [ 186.910498] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 186.915588] ? find_held_lock+0x36/0x1d0 [ 186.920015] rtnetlink_rcv_msg+0x34f/0x8f0 [ 186.924239] ? rtnetlink_put_metrics+0x490/0x490 [ 186.929131] ? find_held_lock+0x36/0x1d0 [ 186.933367] netlink_rcv_skb+0x13e/0x3d0 [ 186.937416] ? lock_downgrade+0x860/0x860 [ 186.941631] ? rtnetlink_put_metrics+0x490/0x490 [ 186.946382] ? netlink_ack+0xa70/0xa70 [ 186.950264] ? netlink_deliver_tap+0x182/0xb00 [ 186.954931] rtnetlink_rcv+0x10/0x20 [ 186.958662] netlink_unicast+0x443/0x650 [ 186.962820] ? netlink_attachskb+0x6c0/0x6c0 [ 186.967831] ? _copy_from_iter_full+0x182/0x720 [ 186.972589] ? __check_object_size+0x1ef/0x310 [ 186.977266] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 186.982971] netlink_sendmsg+0x764/0xc60 [ 186.987034] ? netlink_unicast+0x650/0x650 [ 186.991453] ? apparmor_socket_sendmsg+0x1b/0x20 [ 186.996331] ? netlink_unicast+0x650/0x650 [ 187.000789] sock_sendmsg+0xb5/0xf0 [ 187.004635] ___sys_sendmsg+0x647/0x950 [ 187.008602] ? find_held_lock+0x36/0x1d0 [ 187.012651] ? copy_msghdr_from_user+0x430/0x430 [ 187.017885] ? __fget+0x278/0x400 [ 187.021328] ? kasan_check_read+0x11/0x20 [ 187.025777] ? __fget+0x295/0x400 [ 187.029667] ? expand_files.part.8+0x700/0x700 [ 187.034414] ? __f_unlock_pos+0xd/0x10 [ 187.038460] ? __fget_light+0x174/0x1e0 [ 187.042518] ? __fdget+0xe/0x10 [ 187.045786] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 187.050617] __sys_sendmsg+0xd9/0x180 [ 187.054400] ? __ia32_sys_shutdown+0x70/0x70 [ 187.059124] ? __sb_end_write+0xa4/0xd0 [ 187.063174] ? kasan_check_write+0x14/0x20 [ 187.067716] ? fput+0x18/0x120 [ 187.071136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.077190] __x64_sys_sendmsg+0x73/0xb0 [ 187.081666] do_syscall_64+0xd0/0x4e0 [ 187.085469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.090937] RIP: 0033:0x463d89 [ 187.094466] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 187.114379] RSP: 002b:00007f345d67c198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 187.122352] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 187.130390] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 187.137986] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 187.145551] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c0e0 [ 187.155269] R13: 00007f345d67c6bc R14: 0000000000000008 R15: 0000000000000001 [ 187.164963] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 187.186048] FAULT_INJECTION: forcing a failure. [ 187.186048] name failslab, interval 1, probability 0, space 0, times 0 [ 187.198254] CPU: 0 PID: 10954 Comm: syz-executor.1 Tainted: G B 4.19.188-syzkaller #0 [ 187.207744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.217743] Call Trace: [ 187.220429] dump_stack+0x123/0x171 [ 187.224215] should_fail.cold.4+0x5/0xa [ 187.228612] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.233712] ? lock_downgrade+0x860/0x860 [ 187.237999] ? set_page_refcounted+0x100/0x100 [ 187.242672] ? ___might_sleep+0x16b/0x270 [ 187.247062] __should_failslab+0xba/0xf0 [ 187.251390] should_failslab+0x9/0x20 [ 187.255179] kmem_cache_alloc_trace+0x2cb/0x740 [ 187.259948] ? qfq_change_class+0xa93/0x14e0 [ 187.264345] ? qfq_change_class+0xa93/0x14e0 [ 187.268953] ? __local_bh_enable_ip+0x160/0x260 [ 187.273910] qfq_change_class+0xad9/0x14e0 [ 187.278409] ? qfq_delete_class+0x2d0/0x2d0 [ 187.282921] ? nla_parse+0x197/0x280 [ 187.287054] tc_ctl_tclass+0x3e9/0xba0 [ 187.291148] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 187.296447] ? find_held_lock+0x36/0x1d0 [ 187.300658] rtnetlink_rcv_msg+0x34f/0x8f0 [ 187.304890] ? rtnetlink_put_metrics+0x490/0x490 [ 187.309716] ? find_held_lock+0x36/0x1d0 [ 187.314306] netlink_rcv_skb+0x13e/0x3d0 [ 187.318454] ? lock_downgrade+0x860/0x860 [ 187.322716] ? rtnetlink_put_metrics+0x490/0x490 [ 187.327451] ? netlink_ack+0xa70/0xa70 [ 187.331620] ? netlink_deliver_tap+0x182/0xb00 [ 187.336986] rtnetlink_rcv+0x10/0x20 [ 187.340924] netlink_unicast+0x443/0x650 [ 187.345082] ? netlink_attachskb+0x6c0/0x6c0 [ 187.349501] ? _copy_from_iter_full+0x182/0x720 [ 187.354812] ? __check_object_size+0x1ef/0x310 [ 187.360030] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 187.366186] netlink_sendmsg+0x764/0xc60 [ 187.370711] ? netlink_unicast+0x650/0x650 [ 187.375061] ? apparmor_socket_sendmsg+0x1b/0x20 [ 187.379930] ? netlink_unicast+0x650/0x650 [ 187.384245] sock_sendmsg+0xb5/0xf0 [ 187.387973] ___sys_sendmsg+0x647/0x950 [ 187.392141] ? find_held_lock+0x36/0x1d0 [ 187.396380] ? copy_msghdr_from_user+0x430/0x430 [ 187.401288] ? __fget+0x278/0x400 [ 187.404826] ? kasan_check_read+0x11/0x20 [ 187.409048] ? __fget+0x295/0x400 [ 187.412585] ? expand_files.part.8+0x700/0x700 [ 187.417459] ? __f_unlock_pos+0xd/0x10 [ 187.421830] ? __fget_light+0x174/0x1e0 [ 187.426186] ? __fdget+0xe/0x10 [ 187.429539] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 187.434632] __sys_sendmsg+0xd9/0x180 [ 187.438505] ? __ia32_sys_shutdown+0x70/0x70 [ 187.443353] ? __sb_end_write+0xa4/0xd0 [ 187.448001] ? kasan_check_write+0x14/0x20 [ 187.452496] ? fput+0x18/0x120 [ 187.455985] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.461333] __x64_sys_sendmsg+0x73/0xb0 [ 187.465475] do_syscall_64+0xd0/0x4e0 [ 187.469263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.474753] RIP: 0033:0x463d89 [ 187.477979] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 187.497695] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 187.505688] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 187.513301] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 187.520912] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 187.528462] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 187.535810] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 187.544232] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 187.563436] FAULT_INJECTION: forcing a failure. [ 187.563436] name failslab, interval 1, probability 0, space 0, times 0 [ 187.575151] CPU: 0 PID: 10960 Comm: syz-executor.5 Tainted: G B 4.19.188-syzkaller #0 [ 187.586090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.595941] Call Trace: [ 187.598592] dump_stack+0x123/0x171 [ 187.602677] should_fail.cold.4+0x5/0xa [ 187.607172] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.612377] ? lock_downgrade+0x860/0x860 [ 187.617203] ? set_page_refcounted+0x100/0x100 [ 187.621969] ? ___might_sleep+0x16b/0x270 [ 187.626277] __should_failslab+0xba/0xf0 [ 187.631093] should_failslab+0x9/0x20 [ 187.635734] kmem_cache_alloc_trace+0x2cb/0x740 [ 187.640392] ? qfq_change_class+0xa93/0x14e0 [ 187.645008] ? qfq_change_class+0xa93/0x14e0 [ 187.649500] ? __local_bh_enable_ip+0x160/0x260 [ 187.654264] qfq_change_class+0xad9/0x14e0 [ 187.658760] ? qfq_delete_class+0x2d0/0x2d0 [ 187.663552] ? nla_parse+0x197/0x280 [ 187.667257] tc_ctl_tclass+0x3e9/0xba0 [ 187.671140] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 187.676450] ? find_held_lock+0x36/0x1d0 [ 187.680676] rtnetlink_rcv_msg+0x34f/0x8f0 [ 187.684983] ? rtnetlink_put_metrics+0x490/0x490 [ 187.689920] ? find_held_lock+0x36/0x1d0 [ 187.694127] netlink_rcv_skb+0x13e/0x3d0 [ 187.698276] ? lock_downgrade+0x860/0x860 [ 187.703034] ? rtnetlink_put_metrics+0x490/0x490 [ 187.707965] ? netlink_ack+0xa70/0xa70 [ 187.711938] ? netlink_deliver_tap+0x182/0xb00 [ 187.716622] rtnetlink_rcv+0x10/0x20 [ 187.720502] netlink_unicast+0x443/0x650 [ 187.724559] ? netlink_attachskb+0x6c0/0x6c0 [ 187.729051] ? _copy_from_iter_full+0x182/0x720 [ 187.733710] ? __check_object_size+0x1ef/0x310 [ 187.738863] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 187.744571] netlink_sendmsg+0x764/0xc60 [ 187.748615] ? netlink_unicast+0x650/0x650 [ 187.752852] ? apparmor_socket_sendmsg+0x1b/0x20 [ 187.757786] ? netlink_unicast+0x650/0x650 [ 187.762240] sock_sendmsg+0xb5/0xf0 [ 187.765945] ___sys_sendmsg+0x647/0x950 [ 187.770411] ? find_held_lock+0x36/0x1d0 [ 187.774474] ? copy_msghdr_from_user+0x430/0x430 [ 187.779319] ? __fget+0x278/0x400 [ 187.782759] ? kasan_check_read+0x11/0x20 [ 187.787433] ? __fget+0x295/0x400 [ 187.791094] ? expand_files.part.8+0x700/0x700 [ 187.795858] ? __f_unlock_pos+0xd/0x10 [ 187.800239] ? __fget_light+0x174/0x1e0 [ 187.804483] ? __fdget+0xe/0x10 [ 187.808012] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 187.813017] __sys_sendmsg+0xd9/0x180 [ 187.816998] ? __ia32_sys_shutdown+0x70/0x70 [ 187.821424] ? __sb_end_write+0xa4/0xd0 [ 187.825664] ? kasan_check_write+0x14/0x20 [ 187.830733] ? fput+0x18/0x120 [ 187.833923] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.839712] __x64_sys_sendmsg+0x73/0xb0 [ 187.843915] do_syscall_64+0xd0/0x4e0 [ 187.847883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.853448] RIP: 0033:0x463d89 [ 187.856689] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 187.876054] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 187.884401] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 187.892067] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 187.899895] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 187.907573] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 187.914925] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 187.923873] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 187.944140] FAULT_INJECTION: forcing a failure. [ 187.944140] name failslab, interval 1, probability 0, space 0, times 0 [ 187.955790] CPU: 0 PID: 10974 Comm: syz-executor.2 Tainted: G B 4.19.188-syzkaller #0 [ 187.965437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.974778] Call Trace: [ 187.977524] dump_stack+0x123/0x171 [ 187.981146] should_fail.cold.4+0x5/0xa [ 187.985195] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 187.990823] ? lock_downgrade+0x860/0x860 [ 187.994968] ? set_page_refcounted+0x100/0x100 [ 187.999556] ? ___might_sleep+0x16b/0x270 [ 188.004035] __should_failslab+0xba/0xf0 [ 188.008199] should_failslab+0x9/0x20 [ 188.012002] kmem_cache_alloc_trace+0x2cb/0x740 [ 188.016982] ? qfq_change_class+0xa93/0x14e0 [ 188.021510] ? qfq_change_class+0xa93/0x14e0 [ 188.026152] ? __local_bh_enable_ip+0x160/0x260 [ 188.030943] qfq_change_class+0xad9/0x14e0 [ 188.035590] ? qfq_delete_class+0x2d0/0x2d0 [ 188.040379] ? nla_parse+0x197/0x280 [ 188.044331] tc_ctl_tclass+0x3e9/0xba0 [ 188.048544] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 188.053790] ? find_held_lock+0x36/0x1d0 [ 188.058116] rtnetlink_rcv_msg+0x34f/0x8f0 [ 188.062343] ? rtnetlink_put_metrics+0x490/0x490 [ 188.067911] ? find_held_lock+0x36/0x1d0 [ 188.072463] netlink_rcv_skb+0x13e/0x3d0 [ 188.076813] ? lock_downgrade+0x860/0x860 [ 188.081329] ? rtnetlink_put_metrics+0x490/0x490 [ 188.086325] ? netlink_ack+0xa70/0xa70 [ 188.090965] ? netlink_deliver_tap+0x182/0xb00 [ 188.095546] rtnetlink_rcv+0x10/0x20 [ 188.099450] netlink_unicast+0x443/0x650 [ 188.103776] ? netlink_attachskb+0x6c0/0x6c0 [ 188.108366] ? _copy_from_iter_full+0x182/0x720 [ 188.113024] ? __check_object_size+0x1ef/0x310 [ 188.117992] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 188.123613] netlink_sendmsg+0x764/0xc60 [ 188.127904] ? netlink_unicast+0x650/0x650 [ 188.132221] ? apparmor_socket_sendmsg+0x1b/0x20 [ 188.137240] ? netlink_unicast+0x650/0x650 [ 188.141530] sock_sendmsg+0xb5/0xf0 [ 188.145943] ___sys_sendmsg+0x647/0x950 [ 188.150191] ? find_held_lock+0x36/0x1d0 [ 188.154802] ? copy_msghdr_from_user+0x430/0x430 [ 188.160240] ? __fget+0x278/0x400 [ 188.163858] ? kasan_check_read+0x11/0x20 [ 188.168544] ? __fget+0x295/0x400 [ 188.172430] ? expand_files.part.8+0x700/0x700 [ 188.177010] ? __f_unlock_pos+0xd/0x10 [ 188.180973] ? __fget_light+0x174/0x1e0 [ 188.184937] ? __fdget+0xe/0x10 [ 188.188404] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 188.193348] __sys_sendmsg+0xd9/0x180 [ 188.197295] ? __ia32_sys_shutdown+0x70/0x70 [ 188.202115] ? __sb_end_write+0xa4/0xd0 [ 188.206187] ? kasan_check_write+0x14/0x20 [ 188.210947] ? fput+0x18/0x120 [ 188.214216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.219972] __x64_sys_sendmsg+0x73/0xb0 [ 188.224206] do_syscall_64+0xd0/0x4e0 [ 188.228059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.233906] RIP: 0033:0x463d89 [ 188.237222] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 188.256551] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 188.265071] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 188.272804] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 188.280449] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 188.288120] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 188.295899] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 188.303788] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 188.319375] FAULT_INJECTION: forcing a failure. [ 188.319375] name failslab, interval 1, probability 0, space 0, times 0 [ 188.335693] CPU: 1 PID: 10980 Comm: syz-executor.0 Tainted: G B 4.19.188-syzkaller #0 [ 188.345229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.357205] Call Trace: [ 188.360058] dump_stack+0x123/0x171 [ 188.364060] should_fail.cold.4+0x5/0xa [ 188.368116] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 188.373507] ? lock_downgrade+0x860/0x860 [ 188.378784] ? set_page_refcounted+0x100/0x100 [ 188.384175] ? ___might_sleep+0x16b/0x270 [ 188.388775] __should_failslab+0xba/0xf0 [ 188.393237] should_failslab+0x9/0x20 [ 188.397922] kmem_cache_alloc_trace+0x2cb/0x740 [ 188.403527] ? qfq_change_class+0xa93/0x14e0 [ 188.408286] ? qfq_change_class+0xa93/0x14e0 [ 188.413318] ? __local_bh_enable_ip+0x160/0x260 [ 188.418994] qfq_change_class+0xad9/0x14e0 [ 188.424011] ? qfq_delete_class+0x2d0/0x2d0 [ 188.429561] ? nla_parse+0x197/0x280 [ 188.434206] tc_ctl_tclass+0x3e9/0xba0 [ 188.438976] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 188.446038] ? find_held_lock+0x36/0x1d0 [ 188.450725] rtnetlink_rcv_msg+0x34f/0x8f0 [ 188.456748] ? rtnetlink_put_metrics+0x490/0x490 [ 188.463077] ? find_held_lock+0x36/0x1d0 [ 188.467839] netlink_rcv_skb+0x13e/0x3d0 [ 188.472018] ? lock_downgrade+0x860/0x860 [ 188.477632] ? rtnetlink_put_metrics+0x490/0x490 [ 188.482998] ? netlink_ack+0xa70/0xa70 [ 188.487311] ? netlink_deliver_tap+0x182/0xb00 [ 188.493385] rtnetlink_rcv+0x10/0x20 [ 188.497285] netlink_unicast+0x443/0x650 [ 188.502764] ? netlink_attachskb+0x6c0/0x6c0 [ 188.508302] ? _copy_from_iter_full+0x182/0x720 [ 188.513849] ? __check_object_size+0x1ef/0x310 [ 188.518706] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 188.524530] netlink_sendmsg+0x764/0xc60 [ 188.528849] ? netlink_unicast+0x650/0x650 [ 188.533384] ? apparmor_socket_sendmsg+0x1b/0x20 [ 188.538547] ? netlink_unicast+0x650/0x650 [ 188.543181] sock_sendmsg+0xb5/0xf0 [ 188.546804] ___sys_sendmsg+0x647/0x950 [ 188.550893] ? find_held_lock+0x36/0x1d0 [ 188.555205] ? copy_msghdr_from_user+0x430/0x430 [ 188.560178] ? __fget+0x278/0x400 [ 188.563726] ? kasan_check_read+0x11/0x20 [ 188.567873] ? __fget+0x295/0x400 [ 188.572294] ? expand_files.part.8+0x700/0x700 [ 188.577311] ? __f_unlock_pos+0xd/0x10 [ 188.581273] ? __fget_light+0x174/0x1e0 [ 188.585233] ? __fdget+0xe/0x10 [ 188.588805] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 188.593963] __sys_sendmsg+0xd9/0x180 [ 188.597962] ? __ia32_sys_shutdown+0x70/0x70 [ 188.602721] ? __sb_end_write+0xa4/0xd0 [ 188.606907] ? kasan_check_write+0x14/0x20 [ 188.611233] ? fput+0x18/0x120 [ 188.614427] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.620143] __x64_sys_sendmsg+0x73/0xb0 [ 188.624391] do_syscall_64+0xd0/0x4e0 [ 188.628376] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.633786] RIP: 0033:0x463d89 [ 188.636975] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 188.656487] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 188.664261] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 188.671611] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 188.678863] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 188.686214] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 188.693582] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 188.705024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 188.728340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 188.742666] FAULT_INJECTION: forcing a failure. [ 188.742666] name failslab, interval 1, probability 0, space 0, times 0 [ 188.754830] CPU: 1 PID: 10990 Comm: syz-executor.3 Tainted: G B 4.19.188-syzkaller #0 [ 188.764840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.774443] Call Trace: [ 188.777168] dump_stack+0x123/0x171 [ 188.780897] should_fail.cold.4+0x5/0xa [ 188.784870] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 188.790244] ? lock_downgrade+0x860/0x860 [ 188.794379] ? set_page_refcounted+0x100/0x100 [ 188.799033] ? ___might_sleep+0x16b/0x270 [ 188.803331] __should_failslab+0xba/0xf0 [ 188.807388] should_failslab+0x9/0x20 [ 188.811519] kmem_cache_alloc_trace+0x2cb/0x740 [ 188.816705] ? qfq_change_class+0xa93/0x14e0 [ 188.821211] ? qfq_change_class+0xa93/0x14e0 [ 188.826190] ? __local_bh_enable_ip+0x160/0x260 [ 188.831029] qfq_change_class+0xad9/0x14e0 [ 188.835349] ? qfq_delete_class+0x2d0/0x2d0 [ 188.839658] ? nla_parse+0x197/0x280 [ 188.843570] tc_ctl_tclass+0x3e9/0xba0 [ 188.847459] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 188.852641] ? __local_bh_enable_ip+0x160/0x260 [ 188.858005] rtnetlink_rcv_msg+0x34f/0x8f0 [ 188.862266] ? rtnetlink_put_metrics+0x490/0x490 [ 188.867841] ? napi_alloc_frag+0x70/0x70 [ 188.872073] netlink_rcv_skb+0x13e/0x3d0 [ 188.876120] ? lock_downgrade+0x860/0x860 [ 188.880426] ? rtnetlink_put_metrics+0x490/0x490 [ 188.885169] ? netlink_ack+0xa70/0xa70 [ 188.889479] ? netlink_deliver_tap+0x182/0xb00 [ 188.894142] rtnetlink_rcv+0x10/0x20 [ 188.897899] netlink_unicast+0x443/0x650 [ 188.901948] ? netlink_attachskb+0x6c0/0x6c0 [ 188.906437] ? _copy_from_iter_full+0x182/0x720 [ 188.911117] ? __check_object_size+0x1ef/0x310 [ 188.916350] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 188.922201] netlink_sendmsg+0x764/0xc60 [ 188.926363] ? netlink_unicast+0x650/0x650 [ 188.930868] ? apparmor_socket_sendmsg+0x1b/0x20 [ 188.935638] ? netlink_unicast+0x650/0x650 [ 188.940089] sock_sendmsg+0xb5/0xf0 [ 188.943710] ___sys_sendmsg+0x647/0x950 [ 188.947861] ? get_pid_task+0x80/0x110 [ 188.952084] ? lock_downgrade+0x860/0x860 [ 188.956302] ? copy_msghdr_from_user+0x430/0x430 [ 188.961137] ? __fget+0x278/0x400 [ 188.964832] ? __fget+0x9f/0x400 [ 188.968283] ? proc_fail_nth_write+0x13a/0x180 [ 188.973398] ? __fget+0x295/0x400 [ 188.976837] ? expand_files.part.8+0x700/0x700 [ 188.982044] ? kernel_read+0x130/0x130 [ 188.986436] ? __f_unlock_pos+0xd/0x10 [ 188.990579] ? __fget_light+0x174/0x1e0 [ 188.995206] ? __fdget+0xe/0x10 [ 188.998488] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 189.003583] __sys_sendmsg+0xd9/0x180 [ 189.007554] ? __ia32_sys_shutdown+0x70/0x70 [ 189.012733] ? __sb_end_write+0xa4/0xd0 [ 189.016698] ? kasan_check_write+0x14/0x20 [ 189.021134] ? fput+0x18/0x120 [ 189.024495] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.029932] __x64_sys_sendmsg+0x73/0xb0 [ 189.034082] do_syscall_64+0xd0/0x4e0 [ 189.038146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.044250] RIP: 0033:0x463d89 [ 189.047605] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 189.068381] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 189.076516] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 189.083986] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 189.091772] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 189.099393] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 189.106978] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 189.122973] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 189.141067] FAULT_INJECTION: forcing a failure. [ 189.141067] name failslab, interval 1, probability 0, space 0, times 0 [ 189.152921] CPU: 0 PID: 11000 Comm: syz-executor.4 Tainted: G B 4.19.188-syzkaller #0 [ 189.163004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.173322] Call Trace: [ 189.175900] dump_stack+0x123/0x171 [ 189.179516] should_fail.cold.4+0x5/0xa [ 189.183561] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 189.188806] ? lock_downgrade+0x860/0x860 [ 189.192972] ? set_page_refcounted+0x100/0x100 [ 189.197553] ? ___might_sleep+0x16b/0x270 [ 189.201923] __should_failslab+0xba/0xf0 [ 189.205969] should_failslab+0x9/0x20 [ 189.209806] kmem_cache_alloc_trace+0x2cb/0x740 [ 189.214482] ? qfq_change_class+0xa93/0x14e0 [ 189.219253] ? qfq_change_class+0xa93/0x14e0 [ 189.223832] ? __local_bh_enable_ip+0x160/0x260 [ 189.228669] qfq_change_class+0xad9/0x14e0 [ 189.233007] ? qfq_delete_class+0x2d0/0x2d0 [ 189.237591] ? nla_parse+0x197/0x280 [ 189.241767] tc_ctl_tclass+0x3e9/0xba0 [ 189.246220] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 189.251327] ? __local_bh_enable_ip+0x160/0x260 [ 189.256004] rtnetlink_rcv_msg+0x34f/0x8f0 [ 189.260512] ? rtnetlink_put_metrics+0x490/0x490 [ 189.265509] ? napi_alloc_frag+0x70/0x70 [ 189.269581] netlink_rcv_skb+0x13e/0x3d0 [ 189.273637] ? lock_downgrade+0x860/0x860 [ 189.278001] ? rtnetlink_put_metrics+0x490/0x490 [ 189.282894] ? netlink_ack+0xa70/0xa70 [ 189.286776] ? netlink_deliver_tap+0x182/0xb00 [ 189.291353] rtnetlink_rcv+0x10/0x20 [ 189.295275] netlink_unicast+0x443/0x650 [ 189.299332] ? netlink_attachskb+0x6c0/0x6c0 [ 189.303910] ? _copy_from_iter_full+0x182/0x720 [ 189.308755] ? __check_object_size+0x1ef/0x310 [ 189.313840] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 189.320016] netlink_sendmsg+0x764/0xc60 [ 189.324537] ? netlink_unicast+0x650/0x650 [ 189.328893] ? apparmor_socket_sendmsg+0x1b/0x20 [ 189.334152] ? netlink_unicast+0x650/0x650 [ 189.338517] sock_sendmsg+0xb5/0xf0 [ 189.342466] ___sys_sendmsg+0x647/0x950 [ 189.346479] ? get_pid_task+0x80/0x110 [ 189.350586] ? lock_downgrade+0x860/0x860 [ 189.355842] ? copy_msghdr_from_user+0x430/0x430 [ 189.360989] ? __fget+0x278/0x400 [ 189.364551] ? __fget+0x9f/0x400 [ 189.368050] ? proc_fail_nth_write+0x13a/0x180 [ 189.372918] ? __fget+0x295/0x400 [ 189.376795] ? expand_files.part.8+0x700/0x700 [ 189.383376] ? kernel_read+0x130/0x130 [ 189.387432] ? __f_unlock_pos+0xd/0x10 [ 189.391518] ? __fget_light+0x174/0x1e0 [ 189.395487] ? __fdget+0xe/0x10 [ 189.398756] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 189.403741] __sys_sendmsg+0xd9/0x180 [ 189.407740] ? __ia32_sys_shutdown+0x70/0x70 [ 189.412570] ? __sb_end_write+0xa4/0xd0 [ 189.416780] ? kasan_check_write+0x14/0x20 [ 189.421114] ? fput+0x18/0x120 [ 189.424492] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.430372] __x64_sys_sendmsg+0x73/0xb0 [ 189.435522] do_syscall_64+0xd0/0x4e0 [ 189.439317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.444787] RIP: 0033:0x463d89 [ 189.448136] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 189.468179] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 189.476390] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 189.484086] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 189.491547] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 189.499546] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 189.507635] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 189.521194] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 189.525342] FAULT_INJECTION: forcing a failure. [ 189.525342] name failslab, interval 1, probability 0, space 0, times 0 [ 189.544730] CPU: 1 PID: 11010 Comm: syz-executor.1 Tainted: G B 4.19.188-syzkaller #0 [ 189.554444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.564773] Call Trace: [ 189.567540] dump_stack+0x123/0x171 [ 189.571253] should_fail.cold.4+0x5/0xa [ 189.577400] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 189.582702] ? lock_downgrade+0x860/0x860 [ 189.586840] ? set_page_refcounted+0x100/0x100 [ 189.591468] ? ___might_sleep+0x16b/0x270 [ 189.595611] __should_failslab+0xba/0xf0 [ 189.599877] should_failslab+0x9/0x20 [ 189.603669] kmem_cache_alloc_trace+0x2cb/0x740 [ 189.608517] ? qfq_change_class+0xa93/0x14e0 [ 189.613084] ? qfq_change_class+0xa93/0x14e0 [ 189.617493] ? __local_bh_enable_ip+0x160/0x260 [ 189.622284] qfq_change_class+0xad9/0x14e0 [ 189.626993] ? qfq_delete_class+0x2d0/0x2d0 [ 189.631579] ? nla_parse+0x197/0x280 [ 189.635381] tc_ctl_tclass+0x3e9/0xba0 [ 189.639511] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 189.645618] ? __local_bh_enable_ip+0x160/0x260 [ 189.651184] rtnetlink_rcv_msg+0x34f/0x8f0 [ 189.655591] ? rtnetlink_put_metrics+0x490/0x490 [ 189.660712] ? napi_alloc_frag+0x70/0x70 [ 189.664909] netlink_rcv_skb+0x13e/0x3d0 [ 189.669058] ? lock_downgrade+0x860/0x860 [ 189.673660] ? rtnetlink_put_metrics+0x490/0x490 [ 189.678621] ? netlink_ack+0xa70/0xa70 [ 189.682628] ? netlink_deliver_tap+0x182/0xb00 [ 189.687197] rtnetlink_rcv+0x10/0x20 [ 189.691009] netlink_unicast+0x443/0x650 [ 189.695088] ? netlink_attachskb+0x6c0/0x6c0 [ 189.699497] ? _copy_from_iter_full+0x182/0x720 [ 189.704411] ? __check_object_size+0x1ef/0x310 [ 189.709239] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 189.714949] netlink_sendmsg+0x764/0xc60 [ 189.719189] ? netlink_unicast+0x650/0x650 [ 189.723513] ? apparmor_socket_sendmsg+0x1b/0x20 [ 189.728576] ? netlink_unicast+0x650/0x650 [ 189.732800] sock_sendmsg+0xb5/0xf0 [ 189.736458] ___sys_sendmsg+0x647/0x950 [ 189.740526] ? get_pid_task+0x80/0x110 [ 189.744411] ? lock_downgrade+0x860/0x860 [ 189.748651] ? copy_msghdr_from_user+0x430/0x430 [ 189.753399] ? __fget+0x278/0x400 [ 189.756974] ? __fget+0x9f/0x400 [ 189.760604] ? proc_fail_nth_write+0x13a/0x180 [ 189.765259] ? __fget+0x295/0x400 [ 189.768848] ? expand_files.part.8+0x700/0x700 [ 189.773965] ? kernel_read+0x130/0x130 [ 189.777853] ? __f_unlock_pos+0xd/0x10 [ 189.781730] ? __fget_light+0x174/0x1e0 [ 189.785720] ? __fdget+0xe/0x10 [ 189.789001] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 189.793853] __sys_sendmsg+0xd9/0x180 [ 189.797636] ? __ia32_sys_shutdown+0x70/0x70 [ 189.802043] ? __sb_end_write+0xa4/0xd0 [ 189.806001] ? kasan_check_write+0x14/0x20 [ 189.810212] ? fput+0x18/0x120 [ 189.813482] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.818917] __x64_sys_sendmsg+0x73/0xb0 [ 189.823070] do_syscall_64+0xd0/0x4e0 [ 189.827143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.832512] RIP: 0033:0x463d89 [ 189.835878] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 189.855777] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 189.863464] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 189.871075] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 189.878729] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 189.886094] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 189.893435] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 189.903691] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 189.923557] FAULT_INJECTION: forcing a failure. [ 189.923557] name failslab, interval 1, probability 0, space 0, times 0 [ 189.935874] CPU: 1 PID: 11020 Comm: syz-executor.5 Tainted: G B 4.19.188-syzkaller #0 [ 189.945647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.955447] Call Trace: [ 189.958139] dump_stack+0x123/0x171 [ 189.961866] should_fail.cold.4+0x5/0xa [ 189.965911] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 189.971541] ? lock_downgrade+0x860/0x860 [ 189.975852] ? set_page_refcounted+0x100/0x100 [ 189.981192] ? ___might_sleep+0x16b/0x270 [ 189.985587] __should_failslab+0xba/0xf0 [ 189.989730] should_failslab+0x9/0x20 [ 189.993945] kmem_cache_alloc_trace+0x2cb/0x740 [ 189.998628] ? qfq_change_class+0xa93/0x14e0 [ 190.003122] ? qfq_change_class+0xa93/0x14e0 [ 190.007573] ? __local_bh_enable_ip+0x160/0x260 [ 190.012228] qfq_change_class+0xad9/0x14e0 [ 190.016771] ? qfq_delete_class+0x2d0/0x2d0 [ 190.021175] ? nla_parse+0x197/0x280 [ 190.025150] tc_ctl_tclass+0x3e9/0xba0 [ 190.029199] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 190.034648] ? __local_bh_enable_ip+0x160/0x260 [ 190.039566] rtnetlink_rcv_msg+0x34f/0x8f0 [ 190.043963] ? rtnetlink_put_metrics+0x490/0x490 [ 190.048714] ? napi_alloc_frag+0x70/0x70 [ 190.052955] netlink_rcv_skb+0x13e/0x3d0 [ 190.057174] ? lock_downgrade+0x860/0x860 [ 190.061316] ? rtnetlink_put_metrics+0x490/0x490 [ 190.066057] ? netlink_ack+0xa70/0xa70 [ 190.070158] ? netlink_deliver_tap+0x182/0xb00 [ 190.075219] rtnetlink_rcv+0x10/0x20 [ 190.079112] netlink_unicast+0x443/0x650 [ 190.083477] ? netlink_attachskb+0x6c0/0x6c0 [ 190.088113] ? _copy_from_iter_full+0x182/0x720 [ 190.093286] ? __check_object_size+0x1ef/0x310 [ 190.098335] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 190.104377] netlink_sendmsg+0x764/0xc60 [ 190.108517] ? netlink_unicast+0x650/0x650 [ 190.113081] ? apparmor_socket_sendmsg+0x1b/0x20 [ 190.117916] ? netlink_unicast+0x650/0x650 [ 190.122916] sock_sendmsg+0xb5/0xf0 [ 190.126630] ___sys_sendmsg+0x647/0x950 [ 190.130771] ? get_pid_task+0x80/0x110 [ 190.134749] ? lock_downgrade+0x860/0x860 [ 190.139522] ? copy_msghdr_from_user+0x430/0x430 [ 190.144668] ? __fget+0x278/0x400 [ 190.148212] ? __fget+0x9f/0x400 [ 190.151774] ? proc_fail_nth_write+0x13a/0x180 [ 190.156775] ? __fget+0x295/0x400 [ 190.160485] ? expand_files.part.8+0x700/0x700 [ 190.165719] ? kernel_read+0x130/0x130 [ 190.169920] ? __f_unlock_pos+0xd/0x10 [ 190.174432] ? __fget_light+0x174/0x1e0 [ 190.178593] ? __fdget+0xe/0x10 [ 190.182129] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 190.186971] __sys_sendmsg+0xd9/0x180 [ 190.190949] ? __ia32_sys_shutdown+0x70/0x70 [ 190.195773] ? __sb_end_write+0xa4/0xd0 [ 190.200639] ? kasan_check_write+0x14/0x20 [ 190.205090] ? fput+0x18/0x120 [ 190.208604] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 190.214142] __x64_sys_sendmsg+0x73/0xb0 [ 190.218193] do_syscall_64+0xd0/0x4e0 [ 190.222075] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 190.227766] RIP: 0033:0x463d89 2021/04/24 20:08:44 executed programs: 390 [ 190.231032] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 190.250840] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 190.259344] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 190.266976] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 190.274235] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 190.281592] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 190.289022] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 190.314735] FAULT_INJECTION: forcing a failure. [ 190.314735] name failslab, interval 1, probability 0, space 0, times 0 [ 190.327200] CPU: 1 PID: 11042 Comm: syz-executor.2 Tainted: G B 4.19.188-syzkaller #0 [ 190.337154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.346516] Call Trace: [ 190.349169] dump_stack+0x123/0x171 [ 190.354298] should_fail.cold.4+0x5/0xa [ 190.358267] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 190.363801] ? lock_downgrade+0x860/0x860 [ 190.367938] ? set_page_refcounted+0x100/0x100 [ 190.372619] ? ___might_sleep+0x16b/0x270 [ 190.376883] __should_failslab+0xba/0xf0 [ 190.381022] should_failslab+0x9/0x20 [ 190.384902] kmem_cache_alloc_trace+0x2cb/0x740 [ 190.389774] ? qfq_change_class+0xa93/0x14e0 [ 190.394273] ? qfq_change_class+0xa93/0x14e0 [ 190.398762] ? __local_bh_enable_ip+0x160/0x260 [ 190.403410] qfq_change_class+0xad9/0x14e0 [ 190.407774] ? qfq_delete_class+0x2d0/0x2d0 [ 190.412360] ? nla_parse+0x197/0x280 [ 190.416364] tc_ctl_tclass+0x3e9/0xba0 [ 190.420415] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 190.425895] ? __local_bh_enable_ip+0x160/0x260 [ 190.430675] rtnetlink_rcv_msg+0x34f/0x8f0 [ 190.434983] ? rtnetlink_put_metrics+0x490/0x490 [ 190.439733] ? napi_alloc_frag+0x70/0x70 [ 190.443866] netlink_rcv_skb+0x13e/0x3d0 [ 190.448102] ? lock_downgrade+0x860/0x860 [ 190.452778] ? rtnetlink_put_metrics+0x490/0x490 [ 190.457786] ? netlink_ack+0xa70/0xa70 [ 190.461671] ? netlink_deliver_tap+0x182/0xb00 [ 190.466241] rtnetlink_rcv+0x10/0x20 [ 190.470039] netlink_unicast+0x443/0x650 [ 190.474309] ? netlink_attachskb+0x6c0/0x6c0 [ 190.478814] ? _copy_from_iter_full+0x182/0x720 [ 190.483582] ? __check_object_size+0x1ef/0x310 [ 190.488242] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 190.493877] netlink_sendmsg+0x764/0xc60 [ 190.498060] ? netlink_unicast+0x650/0x650 [ 190.502367] ? apparmor_socket_sendmsg+0x1b/0x20 [ 190.507244] ? netlink_unicast+0x650/0x650 [ 190.511816] sock_sendmsg+0xb5/0xf0 [ 190.515604] ___sys_sendmsg+0x647/0x950 [ 190.519659] ? get_pid_task+0x80/0x110 [ 190.523604] ? lock_downgrade+0x860/0x860 [ 190.527749] ? copy_msghdr_from_user+0x430/0x430 [ 190.532483] ? __fget+0x278/0x400 [ 190.535936] ? __fget+0x9f/0x400 [ 190.539456] ? proc_fail_nth_write+0x13a/0x180 [ 190.544296] ? __fget+0x295/0x400 [ 190.547821] ? expand_files.part.8+0x700/0x700 [ 190.552541] ? kernel_read+0x130/0x130 [ 190.556459] ? __f_unlock_pos+0xd/0x10 [ 190.560326] ? __fget_light+0x174/0x1e0 [ 190.564394] ? __fdget+0xe/0x10 [ 190.567831] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 190.572694] __sys_sendmsg+0xd9/0x180 [ 190.576554] ? __ia32_sys_shutdown+0x70/0x70 [ 190.580947] ? __sb_end_write+0xa4/0xd0 [ 190.584910] ? kasan_check_write+0x14/0x20 [ 190.589321] ? fput+0x18/0x120 [ 190.592548] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 190.598239] __x64_sys_sendmsg+0x73/0xb0 [ 190.602402] do_syscall_64+0xd0/0x4e0 [ 190.606463] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 190.611843] RIP: 0033:0x463d89 [ 190.615041] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 190.634330] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 190.642899] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 190.650604] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 190.658076] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 190.665894] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 190.673259] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 190.689313] FAULT_INJECTION: forcing a failure. [ 190.689313] name failslab, interval 1, probability 0, space 0, times 0 [ 190.704503] CPU: 0 PID: 11043 Comm: syz-executor.0 Tainted: G B 4.19.188-syzkaller #0 [ 190.714768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.724404] Call Trace: [ 190.726991] dump_stack+0x123/0x171 [ 190.730728] should_fail.cold.4+0x5/0xa [ 190.734698] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 190.739918] ? lock_downgrade+0x860/0x860 [ 190.744159] ? set_page_refcounted+0x100/0x100 [ 190.749182] ? ___might_sleep+0x16b/0x270 [ 190.753750] __should_failslab+0xba/0xf0 [ 190.758287] should_failslab+0x9/0x20 [ 190.762235] kmem_cache_alloc_trace+0x2cb/0x740 [ 190.767161] ? qfq_change_class+0xa93/0x14e0 [ 190.771640] ? qfq_change_class+0xa93/0x14e0 [ 190.776034] ? __local_bh_enable_ip+0x160/0x260 [ 190.781047] qfq_change_class+0xad9/0x14e0 [ 190.785364] ? qfq_delete_class+0x2d0/0x2d0 [ 190.790357] ? nla_parse+0x197/0x280 [ 190.794071] tc_ctl_tclass+0x3e9/0xba0 [ 190.798276] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 190.803583] ? __local_bh_enable_ip+0x160/0x260 [ 190.808428] rtnetlink_rcv_msg+0x34f/0x8f0 [ 190.812800] ? rtnetlink_put_metrics+0x490/0x490 [ 190.817633] ? napi_alloc_frag+0x70/0x70 [ 190.821870] netlink_rcv_skb+0x13e/0x3d0 [ 190.825922] ? lock_downgrade+0x860/0x860 [ 190.830264] ? rtnetlink_put_metrics+0x490/0x490 [ 190.835316] ? netlink_ack+0xa70/0xa70 [ 190.839292] ? netlink_deliver_tap+0x182/0xb00 [ 190.843965] rtnetlink_rcv+0x10/0x20 [ 190.847754] netlink_unicast+0x443/0x650 [ 190.851953] ? netlink_attachskb+0x6c0/0x6c0 [ 190.856705] ? _copy_from_iter_full+0x182/0x720 [ 190.861782] ? __check_object_size+0x1ef/0x310 [ 190.867130] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 190.872962] netlink_sendmsg+0x764/0xc60 [ 190.877190] ? netlink_unicast+0x650/0x650 [ 190.881600] ? apparmor_socket_sendmsg+0x1b/0x20 [ 190.886416] ? netlink_unicast+0x650/0x650 [ 190.891394] sock_sendmsg+0xb5/0xf0 [ 190.895116] ___sys_sendmsg+0x647/0x950 [ 190.899091] ? get_pid_task+0x80/0x110 [ 190.902966] ? lock_downgrade+0x860/0x860 [ 190.907097] ? copy_msghdr_from_user+0x430/0x430 [ 190.912023] ? __fget+0x278/0x400 [ 190.915455] ? __fget+0x9f/0x400 [ 190.918935] ? proc_fail_nth_write+0x13a/0x180 [ 190.923597] ? __fget+0x295/0x400 [ 190.927245] ? expand_files.part.8+0x700/0x700 [ 190.932164] ? kernel_read+0x130/0x130 [ 190.936030] ? __f_unlock_pos+0xd/0x10 [ 190.939903] ? __fget_light+0x174/0x1e0 [ 190.943952] ? __fdget+0xe/0x10 [ 190.947236] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 190.952069] __sys_sendmsg+0xd9/0x180 [ 190.956042] ? __ia32_sys_shutdown+0x70/0x70 [ 190.960993] ? __sb_end_write+0xa4/0xd0 [ 190.965218] ? kasan_check_write+0x14/0x20 [ 190.969885] ? fput+0x18/0x120 [ 190.973079] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 190.978505] __x64_sys_sendmsg+0x73/0xb0 [ 190.982697] do_syscall_64+0xd0/0x4e0 [ 190.986483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 190.991771] RIP: 0033:0x463d89 [ 190.995046] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 191.014666] RSP: 002b:00007fed80304198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 191.022361] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 191.030140] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 191.037746] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 191.045586] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 191.052972] R13: 00007fed803046bc R14: 0000000000000009 R15: 0000000000000001 [ 191.076928] FAULT_INJECTION: forcing a failure. [ 191.076928] name failslab, interval 1, probability 0, space 0, times 0 [ 191.089301] CPU: 1 PID: 11053 Comm: syz-executor.3 Tainted: G B 4.19.188-syzkaller #0 [ 191.099092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.108940] Call Trace: [ 191.111725] dump_stack+0x123/0x171 [ 191.115864] should_fail.cold.4+0x5/0xa [ 191.120333] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 191.125758] ? lock_downgrade+0x860/0x860 [ 191.130351] ? set_page_refcounted+0x100/0x100 [ 191.135288] ? ___might_sleep+0x16b/0x270 [ 191.139575] __should_failslab+0xba/0xf0 [ 191.143810] should_failslab+0x9/0x20 [ 191.147600] kmem_cache_alloc_trace+0x2cb/0x740 [ 191.152517] ? qfq_change_class+0xa93/0x14e0 [ 191.157321] ? qfq_change_class+0xa93/0x14e0 [ 191.161724] ? __local_bh_enable_ip+0x160/0x260 [ 191.166485] qfq_change_class+0xad9/0x14e0 [ 191.170930] ? qfq_delete_class+0x2d0/0x2d0 [ 191.175821] ? nla_parse+0x197/0x280 [ 191.179715] tc_ctl_tclass+0x3e9/0xba0 [ 191.183858] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 191.188968] ? __local_bh_enable_ip+0x160/0x260 [ 191.193834] rtnetlink_rcv_msg+0x34f/0x8f0 [ 191.198999] ? rtnetlink_put_metrics+0x490/0x490 [ 191.203747] ? napi_alloc_frag+0x70/0x70 [ 191.207885] netlink_rcv_skb+0x13e/0x3d0 [ 191.212126] ? lock_downgrade+0x860/0x860 [ 191.216336] ? rtnetlink_put_metrics+0x490/0x490 [ 191.221652] ? netlink_ack+0xa70/0xa70 [ 191.225583] ? netlink_deliver_tap+0x182/0xb00 [ 191.230713] rtnetlink_rcv+0x10/0x20 [ 191.234702] netlink_unicast+0x443/0x650 [ 191.238866] ? netlink_attachskb+0x6c0/0x6c0 [ 191.243460] ? _copy_from_iter_full+0x182/0x720 [ 191.248478] ? __check_object_size+0x1ef/0x310 [ 191.253291] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 191.259238] netlink_sendmsg+0x764/0xc60 [ 191.263395] ? netlink_unicast+0x650/0x650 [ 191.267706] ? apparmor_socket_sendmsg+0x1b/0x20 [ 191.272520] ? netlink_unicast+0x650/0x650 [ 191.276756] sock_sendmsg+0xb5/0xf0 [ 191.280789] ___sys_sendmsg+0x647/0x950 [ 191.285114] ? get_pid_task+0x80/0x110 [ 191.289313] ? lock_downgrade+0x860/0x860 [ 191.293562] ? copy_msghdr_from_user+0x430/0x430 [ 191.298571] ? __fget+0x278/0x400 [ 191.302184] ? __fget+0x9f/0x400 [ 191.305898] ? proc_fail_nth_write+0x13a/0x180 [ 191.311006] ? __fget+0x295/0x400 [ 191.314593] ? expand_files.part.8+0x700/0x700 [ 191.319262] ? kernel_read+0x130/0x130 [ 191.323943] ? __f_unlock_pos+0xd/0x10 [ 191.328016] ? __fget_light+0x174/0x1e0 [ 191.332076] ? __fdget+0xe/0x10 [ 191.335352] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 191.340270] __sys_sendmsg+0xd9/0x180 [ 191.344064] ? __ia32_sys_shutdown+0x70/0x70 [ 191.348548] ? __sb_end_write+0xa4/0xd0 [ 191.352744] ? kasan_check_write+0x14/0x20 [ 191.357388] ? fput+0x18/0x120 [ 191.360876] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 191.366868] __x64_sys_sendmsg+0x73/0xb0 [ 191.371339] do_syscall_64+0xd0/0x4e0 [ 191.375399] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 191.381708] RIP: 0033:0x463d89 [ 191.385398] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 191.405323] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 191.413316] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 191.421017] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 191.428566] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 191.436235] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 191.443935] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 191.467252] FAULT_INJECTION: forcing a failure. [ 191.467252] name failslab, interval 1, probability 0, space 0, times 0 [ 191.480772] CPU: 0 PID: 11072 Comm: syz-executor.4 Tainted: G B 4.19.188-syzkaller #0 [ 191.490243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.500648] Call Trace: [ 191.503244] dump_stack+0x123/0x171 [ 191.507337] should_fail.cold.4+0x5/0xa [ 191.512764] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 191.518393] ? lock_downgrade+0x860/0x860 [ 191.522731] ? set_page_refcounted+0x100/0x100 [ 191.527563] ? ___might_sleep+0x16b/0x270 [ 191.531958] __should_failslab+0xba/0xf0 [ 191.536232] should_failslab+0x9/0x20 [ 191.540204] kmem_cache_alloc_trace+0x2cb/0x740 [ 191.545129] ? qfq_change_class+0xa93/0x14e0 [ 191.550303] ? qfq_change_class+0xa93/0x14e0 [ 191.554875] ? __local_bh_enable_ip+0x160/0x260 [ 191.559880] qfq_change_class+0xad9/0x14e0 [ 191.564277] ? qfq_delete_class+0x2d0/0x2d0 [ 191.568771] ? nla_parse+0x197/0x280 [ 191.572677] tc_ctl_tclass+0x3e9/0xba0 [ 191.576761] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 191.582292] ? __local_bh_enable_ip+0x160/0x260 [ 191.587076] rtnetlink_rcv_msg+0x34f/0x8f0 [ 191.591491] ? rtnetlink_put_metrics+0x490/0x490 [ 191.596322] ? napi_alloc_frag+0x70/0x70 [ 191.600462] netlink_rcv_skb+0x13e/0x3d0 [ 191.604531] ? lock_downgrade+0x860/0x860 [ 191.608943] ? rtnetlink_put_metrics+0x490/0x490 [ 191.613970] ? netlink_ack+0xa70/0xa70 [ 191.618038] ? netlink_deliver_tap+0x182/0xb00 [ 191.622623] rtnetlink_rcv+0x10/0x20 [ 191.627017] netlink_unicast+0x443/0x650 [ 191.631305] ? netlink_attachskb+0x6c0/0x6c0 [ 191.635811] ? _copy_from_iter_full+0x182/0x720 [ 191.640707] ? __check_object_size+0x1ef/0x310 [ 191.645287] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 191.651049] netlink_sendmsg+0x764/0xc60 [ 191.655828] ? netlink_unicast+0x650/0x650 [ 191.660495] ? apparmor_socket_sendmsg+0x1b/0x20 [ 191.665481] ? netlink_unicast+0x650/0x650 [ 191.670379] sock_sendmsg+0xb5/0xf0 [ 191.674000] ___sys_sendmsg+0x647/0x950 [ 191.678060] ? get_pid_task+0x80/0x110 [ 191.681948] ? lock_downgrade+0x860/0x860 [ 191.686090] ? copy_msghdr_from_user+0x430/0x430 [ 191.690828] ? __fget+0x278/0x400 [ 191.694488] ? __fget+0x9f/0x400 [ 191.698191] ? proc_fail_nth_write+0x13a/0x180 [ 191.703007] ? __fget+0x295/0x400 [ 191.706779] ? expand_files.part.8+0x700/0x700 [ 191.712393] ? kernel_read+0x130/0x130 [ 191.717066] ? __f_unlock_pos+0xd/0x10 [ 191.721086] ? __fget_light+0x174/0x1e0 [ 191.725054] ? __fdget+0xe/0x10 [ 191.728587] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 191.733674] __sys_sendmsg+0xd9/0x180 [ 191.737573] ? __ia32_sys_shutdown+0x70/0x70 [ 191.742075] ? __sb_end_write+0xa4/0xd0 [ 191.746051] ? kasan_check_write+0x14/0x20 [ 191.750578] ? fput+0x18/0x120 [ 191.754024] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 191.759841] __x64_sys_sendmsg+0x73/0xb0 [ 191.764197] do_syscall_64+0xd0/0x4e0 [ 191.768641] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 191.774125] RIP: 0033:0x463d89 [ 191.777393] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 191.797543] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 191.805782] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 191.813467] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 191.820927] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 191.828296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 191.835639] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 191.844929] FAULT_INJECTION: forcing a failure. [ 191.844929] name failslab, interval 1, probability 0, space 0, times 0 [ 191.856422] nla_parse: 3 callbacks suppressed [ 191.856425] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 191.870010] CPU: 0 PID: 11073 Comm: syz-executor.1 Tainted: G B 4.19.188-syzkaller #0 [ 191.879906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.888655] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 191.889612] Call Trace: [ 191.889624] dump_stack+0x123/0x171 [ 191.889632] should_fail.cold.4+0x5/0xa [ 191.889636] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 191.889643] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 191.908027] FAULT_INJECTION: forcing a failure. [ 191.908027] name failslab, interval 1, probability 0, space 0, times 0 [ 191.909458] ? lock_downgrade+0x860/0x860 [ 191.909473] __should_failslab+0xba/0xf0 [ 191.909480] should_failslab+0x9/0x20 [ 191.909484] kmem_cache_alloc+0x47/0x720 [ 191.909490] ? lock_acquire+0x173/0x3d0 [ 191.952948] ? netlink_deliver_tap+0xd3/0xb00 [ 191.957426] skb_clone+0x115/0x340 [ 191.961040] netlink_deliver_tap+0x7d7/0xb00 [ 191.965639] __netlink_sendskb+0x62/0xc0 [ 191.969874] netlink_unicast+0x4ea/0x650 [ 191.974281] ? netlink_attachskb+0x6c0/0x6c0 [ 191.978676] netlink_ack+0x519/0xa70 [ 191.982846] ? netlink_sendmsg+0xc60/0xc60 [ 191.987764] ? napi_alloc_frag+0x70/0x70 [ 191.992081] netlink_rcv_skb+0x2a8/0x3d0 [ 191.996519] ? lock_downgrade+0x860/0x860 [ 192.000656] ? rtnetlink_put_metrics+0x490/0x490 [ 192.005402] ? netlink_ack+0xa70/0xa70 [ 192.009627] ? netlink_deliver_tap+0x182/0xb00 [ 192.014216] rtnetlink_rcv+0x10/0x20 [ 192.018011] netlink_unicast+0x443/0x650 [ 192.022061] ? netlink_attachskb+0x6c0/0x6c0 [ 192.026646] ? _copy_from_iter_full+0x182/0x720 [ 192.031476] ? __check_object_size+0x1ef/0x310 [ 192.036042] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 192.041765] netlink_sendmsg+0x764/0xc60 [ 192.045999] ? netlink_unicast+0x650/0x650 [ 192.050309] ? apparmor_socket_sendmsg+0x1b/0x20 [ 192.055223] ? netlink_unicast+0x650/0x650 [ 192.059476] sock_sendmsg+0xb5/0xf0 [ 192.063283] ___sys_sendmsg+0x647/0x950 [ 192.067626] ? get_pid_task+0x80/0x110 [ 192.071959] ? lock_downgrade+0x860/0x860 [ 192.076095] ? copy_msghdr_from_user+0x430/0x430 [ 192.080922] ? __fget+0x278/0x400 [ 192.084363] ? __fget+0x9f/0x400 [ 192.087708] ? proc_fail_nth_write+0x13a/0x180 [ 192.092632] ? __fget+0x295/0x400 [ 192.096067] ? expand_files.part.8+0x700/0x700 [ 192.100724] ? kernel_read+0x130/0x130 [ 192.104693] ? __f_unlock_pos+0xd/0x10 [ 192.109441] ? __fget_light+0x174/0x1e0 [ 192.113409] ? __fdget+0xe/0x10 [ 192.116670] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 192.121585] __sys_sendmsg+0xd9/0x180 [ 192.125568] ? __ia32_sys_shutdown+0x70/0x70 [ 192.129984] ? __sb_end_write+0xa4/0xd0 [ 192.133978] ? kasan_check_write+0x14/0x20 [ 192.138383] ? fput+0x18/0x120 [ 192.141574] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 192.147478] __x64_sys_sendmsg+0x73/0xb0 [ 192.152348] do_syscall_64+0xd0/0x4e0 [ 192.156413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 192.162036] RIP: 0033:0x463d89 [ 192.165409] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 192.185385] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 192.193080] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 192.200421] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000007 [ 192.208301] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 192.215756] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 192.223098] R13: 00007f42bcf176bc R14: 0000000000000008 R15: 0000000000000001 [ 192.230494] CPU: 1 PID: 11117 Comm: syz-executor.4 Tainted: G B 4.19.188-syzkaller #0 [ 192.239973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.250642] Call Trace: [ 192.253234] dump_stack+0x123/0x171 [ 192.257062] should_fail.cold.4+0x5/0xa [ 192.261392] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 192.266495] ? lock_downgrade+0x860/0x860 [ 192.270830] ? set_page_refcounted+0x100/0x100 [ 192.275823] ? ___might_sleep+0x16b/0x270 [ 192.280332] __should_failslab+0xba/0xf0 [ 192.284582] should_failslab+0x9/0x20 [ 192.288527] kmem_cache_alloc_trace+0x2cb/0x740 [ 192.293554] ? qfq_change_class+0xa93/0x14e0 [ 192.298289] ? qfq_change_class+0xa93/0x14e0 [ 192.303545] ? __local_bh_enable_ip+0x160/0x260 [ 192.308801] qfq_change_class+0xad9/0x14e0 [ 192.313271] ? qfq_delete_class+0x2d0/0x2d0 [ 192.317601] ? nla_parse+0x197/0x280 [ 192.321745] tc_ctl_tclass+0x3e9/0xba0 [ 192.326047] ? wb_get_create+0x7a4/0x1590 [ 192.330708] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 192.336540] ? __local_bh_enable_ip+0x160/0x260 [ 192.341655] rtnetlink_rcv_msg+0x34f/0x8f0 [ 192.346068] ? rtnetlink_put_metrics+0x490/0x490 [ 192.351178] ? napi_alloc_frag+0x70/0x70 [ 192.355883] netlink_rcv_skb+0x13e/0x3d0 [ 192.360309] ? lock_downgrade+0x860/0x860 [ 192.364488] ? rtnetlink_put_metrics+0x490/0x490 [ 192.369431] ? netlink_ack+0xa70/0xa70 [ 192.373668] ? netlink_deliver_tap+0x182/0xb00 [ 192.378701] rtnetlink_rcv+0x10/0x20 [ 192.382788] netlink_unicast+0x443/0x650 [ 192.386973] ? netlink_attachskb+0x6c0/0x6c0 [ 192.391971] ? _copy_from_iter_full+0x182/0x720 [ 192.397631] ? __check_object_size+0x1ef/0x310 [ 192.402393] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 192.408147] netlink_sendmsg+0x764/0xc60 [ 192.412424] ? netlink_unicast+0x650/0x650 [ 192.416923] ? apparmor_socket_sendmsg+0x1b/0x20 [ 192.421747] ? netlink_unicast+0x650/0x650 [ 192.426356] sock_sendmsg+0xb5/0xf0 [ 192.430337] ___sys_sendmsg+0x647/0x950 [ 192.434473] ? get_pid_task+0x80/0x110 [ 192.438447] ? lock_downgrade+0x860/0x860 [ 192.442747] ? copy_msghdr_from_user+0x430/0x430 [ 192.447484] ? __fget+0x278/0x400 [ 192.450973] ? __fget+0x9f/0x400 [ 192.454528] ? proc_fail_nth_write+0x13a/0x180 [ 192.459280] ? __fget+0x295/0x400 [ 192.463184] ? expand_files.part.8+0x700/0x700 [ 192.467832] ? kernel_read+0x130/0x130 [ 192.471972] ? __f_unlock_pos+0xd/0x10 [ 192.476104] ? __fget_light+0x174/0x1e0 [ 192.480285] ? __fdget+0xe/0x10 [ 192.483846] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 192.489012] __sys_sendmsg+0xd9/0x180 [ 192.492894] ? __ia32_sys_shutdown+0x70/0x70 [ 192.497874] ? __sb_end_write+0xa4/0xd0 [ 192.501938] ? kasan_check_write+0x14/0x20 [ 192.506393] ? fput+0x18/0x120 [ 192.509807] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 192.515240] __x64_sys_sendmsg+0x73/0xb0 [ 192.519281] do_syscall_64+0xd0/0x4e0 [ 192.523075] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 192.528253] RIP: 0033:0x463d89 [ 192.531454] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 192.551125] RSP: 002b:00007f345d6df198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 192.558906] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 192.566600] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 192.573952] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 192.581466] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bf00 [ 192.588716] R13: 00007f345d6df6bc R14: 0000000000000009 R15: 0000000000000001 [ 192.607575] FAULT_INJECTION: forcing a failure. [ 192.607575] name failslab, interval 1, probability 0, space 0, times 0 [ 192.620754] CPU: 1 PID: 11083 Comm: syz-executor.5 Tainted: G B 4.19.188-syzkaller #0 [ 192.630310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.639831] Call Trace: [ 192.642416] dump_stack+0x123/0x171 [ 192.646159] should_fail.cold.4+0x5/0xa [ 192.650131] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 192.655227] ? lock_downgrade+0x860/0x860 [ 192.659530] ? set_page_refcounted+0x100/0x100 [ 192.664116] ? ___might_sleep+0x16b/0x270 [ 192.668244] __should_failslab+0xba/0xf0 [ 192.672403] should_failslab+0x9/0x20 [ 192.676310] kmem_cache_alloc_trace+0x2cb/0x740 [ 192.681233] ? qfq_change_class+0xa93/0x14e0 [ 192.685633] ? qfq_change_class+0xa93/0x14e0 [ 192.690298] ? __local_bh_enable_ip+0x160/0x260 [ 192.695309] qfq_change_class+0xad9/0x14e0 [ 192.699618] ? qfq_delete_class+0x2d0/0x2d0 [ 192.703926] ? nla_parse+0x197/0x280 [ 192.707702] tc_ctl_tclass+0x3e9/0xba0 [ 192.711576] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 192.716750] ? __local_bh_enable_ip+0x160/0x260 [ 192.721576] rtnetlink_rcv_msg+0x34f/0x8f0 [ 192.726089] ? rtnetlink_put_metrics+0x490/0x490 [ 192.731720] ? napi_alloc_frag+0x70/0x70 [ 192.735954] netlink_rcv_skb+0x13e/0x3d0 [ 192.740041] ? lock_downgrade+0x860/0x860 [ 192.744379] ? rtnetlink_put_metrics+0x490/0x490 [ 192.749798] ? netlink_ack+0xa70/0xa70 [ 192.753782] ? netlink_deliver_tap+0x182/0xb00 [ 192.758483] rtnetlink_rcv+0x10/0x20 [ 192.762389] netlink_unicast+0x443/0x650 [ 192.766566] ? netlink_attachskb+0x6c0/0x6c0 [ 192.771151] ? _copy_from_iter_full+0x182/0x720 [ 192.775960] ? __check_object_size+0x1ef/0x310 [ 192.780958] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 192.786625] netlink_sendmsg+0x764/0xc60 [ 192.790764] ? netlink_unicast+0x650/0x650 [ 192.795097] ? apparmor_socket_sendmsg+0x1b/0x20 [ 192.800136] ? netlink_unicast+0x650/0x650 [ 192.804365] sock_sendmsg+0xb5/0xf0 [ 192.808160] ___sys_sendmsg+0x647/0x950 [ 192.812223] ? get_pid_task+0x80/0x110 [ 192.816213] ? lock_downgrade+0x860/0x860 [ 192.820719] ? copy_msghdr_from_user+0x430/0x430 [ 192.825745] ? __fget+0x278/0x400 [ 192.829193] ? __fget+0x9f/0x400 [ 192.832629] ? proc_fail_nth_write+0x13a/0x180 [ 192.837472] ? __fget+0x295/0x400 [ 192.841272] ? expand_files.part.8+0x700/0x700 [ 192.846168] ? kernel_read+0x130/0x130 [ 192.850411] ? __f_unlock_pos+0xd/0x10 [ 192.854557] ? __fget_light+0x174/0x1e0 [ 192.858820] ? __fdget+0xe/0x10 [ 192.862565] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 192.867619] __sys_sendmsg+0xd9/0x180 [ 192.871505] ? __ia32_sys_shutdown+0x70/0x70 [ 192.875912] ? __sb_end_write+0xa4/0xd0 [ 192.880313] ? kasan_check_write+0x14/0x20 [ 192.884620] ? fput+0x18/0x120 [ 192.887992] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 192.893598] __x64_sys_sendmsg+0x73/0xb0 [ 192.897755] do_syscall_64+0xd0/0x4e0 [ 192.901544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 192.906887] RIP: 0033:0x463d89 [ 192.910400] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 192.931160] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 192.938992] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 192.946962] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 192.954215] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 192.961816] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 192.969064] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 192.981223] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 193.006120] FAULT_INJECTION: forcing a failure. [ 193.006120] name failslab, interval 1, probability 0, space 0, times 0 [ 193.019371] CPU: 1 PID: 11089 Comm: syz-executor.2 Tainted: G B 4.19.188-syzkaller #0 [ 193.029196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.039294] Call Trace: [ 193.041871] dump_stack+0x123/0x171 [ 193.045506] should_fail.cold.4+0x5/0xa [ 193.049576] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 193.054844] ? lock_downgrade+0x860/0x860 [ 193.058983] ? set_page_refcounted+0x100/0x100 [ 193.063639] ? ___might_sleep+0x16b/0x270 [ 193.067770] __should_failslab+0xba/0xf0 [ 193.072130] should_failslab+0x9/0x20 [ 193.076053] kmem_cache_alloc_trace+0x2cb/0x740 [ 193.080718] ? qfq_change_class+0xa93/0x14e0 [ 193.085221] ? qfq_change_class+0xa93/0x14e0 [ 193.089705] ? __local_bh_enable_ip+0x160/0x260 [ 193.095170] qfq_change_class+0xad9/0x14e0 [ 193.099963] ? qfq_delete_class+0x2d0/0x2d0 [ 193.104364] ? nla_parse+0x197/0x280 [ 193.108164] tc_ctl_tclass+0x3e9/0xba0 [ 193.112123] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 193.117326] ? __local_bh_enable_ip+0x160/0x260 [ 193.122007] rtnetlink_rcv_msg+0x34f/0x8f0 [ 193.126254] ? rtnetlink_put_metrics+0x490/0x490 [ 193.130999] ? napi_alloc_frag+0x70/0x70 [ 193.135059] netlink_rcv_skb+0x13e/0x3d0 [ 193.139343] ? lock_downgrade+0x860/0x860 [ 193.143564] ? rtnetlink_put_metrics+0x490/0x490 [ 193.148341] ? netlink_ack+0xa70/0xa70 [ 193.152245] ? netlink_deliver_tap+0x182/0xb00 [ 193.156981] rtnetlink_rcv+0x10/0x20 [ 193.160928] netlink_unicast+0x443/0x650 [ 193.165157] ? netlink_attachskb+0x6c0/0x6c0 [ 193.169641] ? _copy_from_iter_full+0x182/0x720 [ 193.174532] ? __check_object_size+0x1ef/0x310 [ 193.180146] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 193.185761] netlink_sendmsg+0x764/0xc60 [ 193.189901] ? netlink_unicast+0x650/0x650 [ 193.194400] ? apparmor_socket_sendmsg+0x1b/0x20 [ 193.199561] ? netlink_unicast+0x650/0x650 [ 193.204235] sock_sendmsg+0xb5/0xf0 [ 193.207983] ___sys_sendmsg+0x647/0x950 [ 193.212118] ? get_pid_task+0x80/0x110 [ 193.216094] ? lock_downgrade+0x860/0x860 [ 193.220244] ? copy_msghdr_from_user+0x430/0x430 [ 193.225117] ? __fget+0x278/0x400 [ 193.228895] ? __fget+0x9f/0x400 [ 193.232607] ? proc_fail_nth_write+0x13a/0x180 [ 193.237492] ? __fget+0x295/0x400 [ 193.241396] ? expand_files.part.8+0x700/0x700 [ 193.246072] ? kernel_read+0x130/0x130 [ 193.250041] ? __f_unlock_pos+0xd/0x10 [ 193.253997] ? __fget_light+0x174/0x1e0 [ 193.258226] ? __fdget+0xe/0x10 [ 193.261488] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 193.266495] __sys_sendmsg+0xd9/0x180 [ 193.270636] ? __ia32_sys_shutdown+0x70/0x70 [ 193.275436] ? __sb_end_write+0xa4/0xd0 [ 193.279425] ? kasan_check_write+0x14/0x20 [ 193.284034] ? fput+0x18/0x120 [ 193.287333] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 193.293229] __x64_sys_sendmsg+0x73/0xb0 [ 193.297454] do_syscall_64+0xd0/0x4e0 [ 193.301333] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 193.306892] RIP: 0033:0x463d89 [ 193.310158] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 193.330159] RSP: 002b:00007f2a0167d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 193.338028] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 193.345470] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 193.354288] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 193.363345] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 193.371301] R13: 00007f2a0167d6bc R14: 0000000000000009 R15: 0000000000000001 [ 193.389879] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 193.406064] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 193.418939] FAULT_INJECTION: forcing a failure. [ 193.418939] name failslab, interval 1, probability 0, space 0, times 0 [ 193.431143] CPU: 0 PID: 11099 Comm: syz-executor.0 Tainted: G B 4.19.188-syzkaller #0 [ 193.440601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.451070] Call Trace: [ 193.454178] dump_stack+0x123/0x171 [ 193.458299] should_fail.cold.4+0x5/0xa [ 193.462915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 193.468352] ? lock_downgrade+0x860/0x860 [ 193.472590] ? set_page_refcounted+0x100/0x100 [ 193.477519] ? ___might_sleep+0x16b/0x270 [ 193.482369] __should_failslab+0xba/0xf0 [ 193.487143] should_failslab+0x9/0x20 [ 193.491588] kmem_cache_alloc_trace+0x2cb/0x740 [ 193.496750] ? qfq_change_class+0xa93/0x14e0 [ 193.501451] ? qfq_change_class+0xa93/0x14e0 [ 193.506051] ? __local_bh_enable_ip+0x160/0x260 [ 193.511191] qfq_change_class+0xad9/0x14e0 [ 193.515692] ? qfq_delete_class+0x2d0/0x2d0 [ 193.520522] ? nla_parse+0x197/0x280 [ 193.524876] tc_ctl_tclass+0x3e9/0xba0 [ 193.529252] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 193.535086] ? __local_bh_enable_ip+0x160/0x260 [ 193.539856] rtnetlink_rcv_msg+0x34f/0x8f0 [ 193.544863] ? rtnetlink_put_metrics+0x490/0x490 [ 193.549944] ? napi_alloc_frag+0x70/0x70 [ 193.554624] netlink_rcv_skb+0x13e/0x3d0 [ 193.559609] ? lock_downgrade+0x860/0x860 [ 193.563881] ? rtnetlink_put_metrics+0x490/0x490 [ 193.569072] ? netlink_ack+0xa70/0xa70 [ 193.573258] ? netlink_deliver_tap+0x182/0xb00 [ 193.578181] rtnetlink_rcv+0x10/0x20 [ 193.582308] netlink_unicast+0x443/0x650 [ 193.587520] ? netlink_attachskb+0x6c0/0x6c0 [ 193.592113] ? _copy_from_iter_full+0x182/0x720 [ 193.597091] ? __check_object_size+0x1ef/0x310 [ 193.601683] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 193.607354] netlink_sendmsg+0x764/0xc60 [ 193.611502] ? netlink_unicast+0x650/0x650 [ 193.616017] ? apparmor_socket_sendmsg+0x1b/0x20 [ 193.620845] ? netlink_unicast+0x650/0x650 [ 193.625404] sock_sendmsg+0xb5/0xf0 [ 193.629256] ___sys_sendmsg+0x647/0x950 [ 193.633326] ? get_pid_task+0x80/0x110 [ 193.637399] ? lock_downgrade+0x860/0x860 [ 193.641776] ? copy_msghdr_from_user+0x430/0x430 [ 193.646891] ? __fget+0x278/0x400 [ 193.650521] ? __fget+0x9f/0x400 [ 193.654041] ? proc_fail_nth_write+0x13a/0x180 [ 193.658946] ? __fget+0x295/0x400 [ 193.662623] ? expand_files.part.8+0x700/0x700 [ 193.667202] ? kernel_read+0x130/0x130 [ 193.671833] ? __f_unlock_pos+0xd/0x10 [ 193.675828] ? __fget_light+0x174/0x1e0 [ 193.679792] ? __fdget+0xe/0x10 [ 193.683057] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 193.688142] __sys_sendmsg+0xd9/0x180 [ 193.692184] ? __ia32_sys_shutdown+0x70/0x70 [ 193.696646] ? __sb_end_write+0xa4/0xd0 [ 193.700609] ? kasan_check_write+0x14/0x20 [ 193.705109] ? fput+0x18/0x120 [ 193.708405] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 193.714188] __x64_sys_sendmsg+0x73/0xb0 [ 193.718236] do_syscall_64+0xd0/0x4e0 [ 193.722120] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 193.727679] RIP: 0033:0x463d89 [ 193.730973] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 193.750499] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 193.758275] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 193.765816] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 193.773072] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 193.780324] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 193.787798] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 193.808078] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 193.823677] FAULT_INJECTION: forcing a failure. [ 193.823677] name failslab, interval 1, probability 0, space 0, times 0 [ 193.835770] CPU: 0 PID: 11109 Comm: syz-executor.3 Tainted: G B 4.19.188-syzkaller #0 [ 193.845590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.855042] Call Trace: [ 193.857713] dump_stack+0x123/0x171 [ 193.861553] should_fail.cold.4+0x5/0xa [ 193.865702] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 193.870916] ? lock_downgrade+0x860/0x860 [ 193.875205] ? set_page_refcounted+0x100/0x100 [ 193.879968] ? ___might_sleep+0x16b/0x270 [ 193.884274] __should_failslab+0xba/0xf0 [ 193.888328] should_failslab+0x9/0x20 [ 193.892378] kmem_cache_alloc_trace+0x2cb/0x740 [ 193.897035] ? qfq_change_class+0xa93/0x14e0 [ 193.901433] ? qfq_change_class+0xa93/0x14e0 [ 193.905915] ? __local_bh_enable_ip+0x160/0x260 [ 193.910756] qfq_change_class+0xad9/0x14e0 [ 193.914976] ? qfq_delete_class+0x2d0/0x2d0 [ 193.919377] ? nla_parse+0x197/0x280 [ 193.923103] tc_ctl_tclass+0x3e9/0xba0 [ 193.926991] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 193.932246] ? __local_bh_enable_ip+0x160/0x260 [ 193.936909] rtnetlink_rcv_msg+0x34f/0x8f0 [ 193.941280] ? rtnetlink_put_metrics+0x490/0x490 [ 193.946014] ? napi_alloc_frag+0x70/0x70 [ 193.950242] netlink_rcv_skb+0x13e/0x3d0 [ 193.954314] ? lock_downgrade+0x860/0x860 [ 193.958536] ? rtnetlink_put_metrics+0x490/0x490 [ 193.963294] ? netlink_ack+0xa70/0xa70 [ 193.968263] ? netlink_deliver_tap+0x182/0xb00 [ 193.973020] rtnetlink_rcv+0x10/0x20 [ 193.976826] netlink_unicast+0x443/0x650 [ 193.981045] ? netlink_attachskb+0x6c0/0x6c0 [ 193.985438] ? _copy_from_iter_full+0x182/0x720 [ 193.990373] ? __check_object_size+0x1ef/0x310 [ 193.995343] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 194.000870] netlink_sendmsg+0x764/0xc60 [ 194.005299] ? netlink_unicast+0x650/0x650 [ 194.009660] ? apparmor_socket_sendmsg+0x1b/0x20 [ 194.014603] ? netlink_unicast+0x650/0x650 [ 194.018847] sock_sendmsg+0xb5/0xf0 [ 194.022475] ___sys_sendmsg+0x647/0x950 [ 194.026837] ? get_pid_task+0x80/0x110 [ 194.030879] ? lock_downgrade+0x860/0x860 [ 194.035266] ? copy_msghdr_from_user+0x430/0x430 [ 194.040026] ? __fget+0x278/0x400 [ 194.043486] ? __fget+0x9f/0x400 [ 194.046842] ? proc_fail_nth_write+0x13a/0x180 [ 194.051645] ? __fget+0x295/0x400 [ 194.055091] ? expand_files.part.8+0x700/0x700 [ 194.059679] ? kernel_read+0x130/0x130 [ 194.064083] ? __f_unlock_pos+0xd/0x10 [ 194.068055] ? __fget_light+0x174/0x1e0 [ 194.072061] ? __fdget+0xe/0x10 [ 194.075656] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 194.080760] __sys_sendmsg+0xd9/0x180 [ 194.085119] ? __ia32_sys_shutdown+0x70/0x70 [ 194.089862] ? __sb_end_write+0xa4/0xd0 [ 194.095425] ? kasan_check_write+0x14/0x20 [ 194.099646] ? fput+0x18/0x120 [ 194.102818] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 194.108356] __x64_sys_sendmsg+0x73/0xb0 [ 194.112517] do_syscall_64+0xd0/0x4e0 [ 194.116743] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 194.122164] RIP: 0033:0x463d89 [ 194.125427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 194.144942] RSP: 002b:00007f366e9e1198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 194.152921] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 194.160450] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 194.167792] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 194.175498] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 194.183015] R13: 00007f366e9e16bc R14: 0000000000000009 R15: 0000000000000001 [ 194.192289] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 194.210415] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 194.227617] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 194.240595] FAULT_INJECTION: forcing a failure. [ 194.240595] name failslab, interval 1, probability 0, space 0, times 0 [ 194.252501] CPU: 0 PID: 11140 Comm: syz-executor.4 Tainted: G B 4.19.188-syzkaller #0 [ 194.262469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.272087] Call Trace: [ 194.274755] dump_stack+0x123/0x171 [ 194.278741] should_fail.cold.4+0x5/0xa [ 194.283139] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 194.288604] ? lock_downgrade+0x860/0x860 [ 194.292916] ? set_page_refcounted+0x100/0x100 [ 194.297712] ? ___might_sleep+0x16b/0x270 [ 194.302056] __should_failslab+0xba/0xf0 [ 194.306462] should_failslab+0x9/0x20 [ 194.310615] kmem_cache_alloc_trace+0x2cb/0x740 [ 194.315368] ? qfq_change_class+0xa93/0x14e0 [ 194.320192] ? qfq_change_class+0xa93/0x14e0 [ 194.324611] ? __local_bh_enable_ip+0x160/0x260 [ 194.329440] qfq_change_class+0xad9/0x14e0 [ 194.334205] ? qfq_delete_class+0x2d0/0x2d0 [ 194.338709] ? nla_parse+0x197/0x280 [ 194.342439] tc_ctl_tclass+0x3e9/0xba0 [ 194.346605] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 194.351839] ? __local_bh_enable_ip+0x160/0x260 [ 194.356948] rtnetlink_rcv_msg+0x34f/0x8f0 [ 194.361277] ? rtnetlink_put_metrics+0x490/0x490 [ 194.366214] ? napi_alloc_frag+0x70/0x70 [ 194.370646] netlink_rcv_skb+0x13e/0x3d0 [ 194.375053] ? lock_downgrade+0x860/0x860 [ 194.379289] ? rtnetlink_put_metrics+0x490/0x490 [ 194.384807] ? netlink_ack+0xa70/0xa70 [ 194.389217] ? netlink_deliver_tap+0x182/0xb00 [ 194.394165] rtnetlink_rcv+0x10/0x20 [ 194.397907] netlink_unicast+0x443/0x650 [ 194.402789] ? netlink_attachskb+0x6c0/0x6c0 [ 194.407182] ? _copy_from_iter_full+0x182/0x720 [ 194.412099] ? __check_object_size+0x1ef/0x310 [ 194.416755] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 194.422469] netlink_sendmsg+0x764/0xc60 [ 194.426731] ? netlink_unicast+0x650/0x650 [ 194.431147] ? apparmor_socket_sendmsg+0x1b/0x20 [ 194.435888] ? netlink_unicast+0x650/0x650 [ 194.440294] sock_sendmsg+0xb5/0xf0 [ 194.443930] ___sys_sendmsg+0x647/0x950 [ 194.448016] ? get_pid_task+0x80/0x110 [ 194.452080] ? lock_downgrade+0x860/0x860 [ 194.456326] ? copy_msghdr_from_user+0x430/0x430 [ 194.461336] ? __fget+0x278/0x400 [ 194.464779] ? __fget+0x9f/0x400 [ 194.468217] ? proc_fail_nth_write+0x13a/0x180 [ 194.472811] ? __fget+0x295/0x400 [ 194.476460] ? expand_files.part.8+0x700/0x700 [ 194.481211] ? kernel_read+0x130/0x130 [ 194.485174] ? __f_unlock_pos+0xd/0x10 [ 194.489221] ? __fget_light+0x174/0x1e0 [ 194.493256] ? __fdget+0xe/0x10 [ 194.496965] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 194.501796] __sys_sendmsg+0xd9/0x180 [ 194.505724] ? __ia32_sys_shutdown+0x70/0x70 [ 194.510118] ? __sb_end_write+0xa4/0xd0 [ 194.514280] ? kasan_check_write+0x14/0x20 [ 194.519004] ? fput+0x18/0x120 [ 194.522283] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 194.527641] __x64_sys_sendmsg+0x73/0xb0 [ 194.532218] do_syscall_64+0xd0/0x4e0 [ 194.536412] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 194.541780] RIP: 0033:0x463d89 [ 194.544970] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 194.564767] RSP: 002b:00007f345d69d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 194.572651] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 194.580311] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 194.588070] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 194.595520] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 194.603012] R13: 00007f345d69d6bc R14: 0000000000000009 R15: 0000000000000001 [ 194.623144] FAULT_INJECTION: forcing a failure. [ 194.623144] name failslab, interval 1, probability 0, space 0, times 0 [ 194.635246] CPU: 0 PID: 11141 Comm: syz-executor.1 Tainted: G B 4.19.188-syzkaller #0 [ 194.644771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.654934] Call Trace: [ 194.657511] dump_stack+0x123/0x171 [ 194.661336] should_fail.cold.4+0x5/0xa [ 194.665579] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 194.671650] ? lock_downgrade+0x860/0x860 [ 194.676003] ? set_page_refcounted+0x100/0x100 [ 194.680571] ? ___might_sleep+0x16b/0x270 [ 194.684827] __should_failslab+0xba/0xf0 [ 194.688874] should_failslab+0x9/0x20 [ 194.692754] kmem_cache_alloc_trace+0x2cb/0x740 [ 194.697831] ? qfq_change_class+0xa93/0x14e0 [ 194.702221] ? qfq_change_class+0xa93/0x14e0 [ 194.706732] ? __local_bh_enable_ip+0x160/0x260 [ 194.711884] qfq_change_class+0xad9/0x14e0 [ 194.716488] ? qfq_delete_class+0x2d0/0x2d0 [ 194.720981] ? nla_parse+0x197/0x280 [ 194.725079] tc_ctl_tclass+0x3e9/0xba0 [ 194.729097] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 194.734202] ? __local_bh_enable_ip+0x160/0x260 [ 194.738871] rtnetlink_rcv_msg+0x34f/0x8f0 [ 194.743094] ? rtnetlink_put_metrics+0x490/0x490 [ 194.748655] ? napi_alloc_frag+0x70/0x70 [ 194.753190] netlink_rcv_skb+0x13e/0x3d0 [ 194.757245] ? lock_downgrade+0x860/0x860 [ 194.761548] ? rtnetlink_put_metrics+0x490/0x490 [ 194.766301] ? netlink_ack+0xa70/0xa70 [ 194.770286] ? netlink_deliver_tap+0x182/0xb00 [ 194.774948] rtnetlink_rcv+0x10/0x20 [ 194.778661] netlink_unicast+0x443/0x650 [ 194.782822] ? netlink_attachskb+0x6c0/0x6c0 [ 194.787836] ? _copy_from_iter_full+0x182/0x720 [ 194.792685] ? __check_object_size+0x1ef/0x310 [ 194.797551] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 194.803516] netlink_sendmsg+0x764/0xc60 [ 194.807749] ? netlink_unicast+0x650/0x650 [ 194.812082] ? apparmor_socket_sendmsg+0x1b/0x20 [ 194.816854] ? netlink_unicast+0x650/0x650 [ 194.821075] sock_sendmsg+0xb5/0xf0 [ 194.824693] ___sys_sendmsg+0x647/0x950 [ 194.829000] ? get_pid_task+0x80/0x110 [ 194.833279] ? lock_downgrade+0x860/0x860 [ 194.837528] ? copy_msghdr_from_user+0x430/0x430 [ 194.842372] ? __fget+0x278/0x400 [ 194.845996] ? __fget+0x9f/0x400 [ 194.849349] ? proc_fail_nth_write+0x13a/0x180 [ 194.854196] ? __fget+0x295/0x400 [ 194.857723] ? expand_files.part.8+0x700/0x700 [ 194.862465] ? kernel_read+0x130/0x130 [ 194.866349] ? __f_unlock_pos+0xd/0x10 [ 194.870306] ? __fget_light+0x174/0x1e0 [ 194.874452] ? __fdget+0xe/0x10 [ 194.877718] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 194.882545] __sys_sendmsg+0xd9/0x180 [ 194.886326] ? __ia32_sys_shutdown+0x70/0x70 [ 194.890814] ? __sb_end_write+0xa4/0xd0 [ 194.895178] ? kasan_check_write+0x14/0x20 [ 194.899666] ? fput+0x18/0x120 [ 194.902844] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 194.908735] __x64_sys_sendmsg+0x73/0xb0 [ 194.912979] do_syscall_64+0xd0/0x4e0 [ 194.917415] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 194.923230] RIP: 0033:0x463d89 [ 194.926501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 194.945947] RSP: 002b:00007f42bcf17198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 194.954617] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 194.961962] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 194.969512] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 194.977066] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 194.985186] R13: 00007f42bcf176bc R14: 0000000000000009 R15: 0000000000000001 [ 195.008396] FAULT_INJECTION: forcing a failure. [ 195.008396] name failslab, interval 1, probability 0, space 0, times 0 [ 195.020903] CPU: 1 PID: 11155 Comm: syz-executor.5 Tainted: G B 4.19.188-syzkaller #0 [ 195.030856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.041164] Call Trace: [ 195.043871] dump_stack+0x123/0x171 [ 195.047931] should_fail.cold.4+0x5/0xa [ 195.052187] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 195.057944] ? lock_downgrade+0x860/0x860 [ 195.062741] ? set_page_refcounted+0x100/0x100 [ 195.067688] ? ___might_sleep+0x16b/0x270 [ 195.072452] __should_failslab+0xba/0xf0 [ 195.076999] should_failslab+0x9/0x20 [ 195.081075] kmem_cache_alloc_trace+0x2cb/0x740 [ 195.085919] ? qfq_change_class+0xa93/0x14e0 [ 195.090426] ? qfq_change_class+0xa93/0x14e0 [ 195.094920] ? __local_bh_enable_ip+0x160/0x260 [ 195.099586] qfq_change_class+0xad9/0x14e0 [ 195.103819] ? qfq_delete_class+0x2d0/0x2d0 [ 195.108664] ? nla_parse+0x197/0x280 [ 195.112541] tc_ctl_tclass+0x3e9/0xba0 [ 195.116537] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 195.121716] ? __local_bh_enable_ip+0x160/0x260 [ 195.126727] rtnetlink_rcv_msg+0x34f/0x8f0 [ 195.131050] ? rtnetlink_put_metrics+0x490/0x490 [ 195.135796] ? napi_alloc_frag+0x70/0x70 [ 195.139847] netlink_rcv_skb+0x13e/0x3d0 [ 195.143892] ? lock_downgrade+0x860/0x860 [ 195.148111] ? rtnetlink_put_metrics+0x490/0x490 [ 195.153037] ? netlink_ack+0xa70/0xa70 [ 195.156925] ? netlink_deliver_tap+0x182/0xb00 [ 195.161582] rtnetlink_rcv+0x10/0x20 [ 195.165359] netlink_unicast+0x443/0x650 [ 195.169500] ? netlink_attachskb+0x6c0/0x6c0 [ 195.173899] ? _copy_from_iter_full+0x182/0x720 [ 195.178725] ? __check_object_size+0x1ef/0x310 [ 195.183761] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 195.189458] netlink_sendmsg+0x764/0xc60 [ 195.193604] ? netlink_unicast+0x650/0x650 [ 195.198012] ? apparmor_socket_sendmsg+0x1b/0x20 [ 195.202900] ? netlink_unicast+0x650/0x650 [ 195.207310] sock_sendmsg+0xb5/0xf0 [ 195.211148] ___sys_sendmsg+0x647/0x950 [ 195.215311] ? get_pid_task+0x80/0x110 [ 195.219272] ? lock_downgrade+0x860/0x860 [ 195.223498] ? copy_msghdr_from_user+0x430/0x430 [ 195.228244] ? __fget+0x278/0x400 [ 195.231675] ? __fget+0x9f/0x400 [ 195.235117] ? proc_fail_nth_write+0x13a/0x180 [ 195.239681] ? __fget+0x295/0x400 [ 195.243336] ? expand_files.part.8+0x700/0x700 [ 195.248170] ? kernel_read+0x130/0x130 [ 195.252151] ? __f_unlock_pos+0xd/0x10 [ 195.256206] ? __fget_light+0x174/0x1e0 [ 195.260436] ? __fdget+0xe/0x10 [ 195.263880] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 195.268889] __sys_sendmsg+0xd9/0x180 [ 195.272684] ? __ia32_sys_shutdown+0x70/0x70 [ 195.277585] ? __sb_end_write+0xa4/0xd0 [ 195.281634] ? kasan_check_write+0x14/0x20 [ 195.286188] ? fput+0x18/0x120 [ 195.289818] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 195.296063] __x64_sys_sendmsg+0x73/0xb0 [ 195.300123] do_syscall_64+0xd0/0x4e0 [ 195.303907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 195.309284] RIP: 0033:0x463d89 2021/04/24 20:08:50 executed programs: 403 [ 195.312458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 195.332119] RSP: 002b:00007ff089397198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 195.340453] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 195.347902] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 195.357366] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 195.364716] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 195.371975] R13: 00007ff0893976bc R14: 0000000000000009 R15: 0000000000000001 [ 195.380271] FAULT_INJECTION: forcing a failure. [ 195.380271] name failslab, interval 1, probability 0, space 0, times 0 [ 195.391594] CPU: 1 PID: 11156 Comm: syz-executor.2 Tainted: G B 4.19.188-syzkaller #0 [ 195.401245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.410944] Call Trace: [ 195.413707] dump_stack+0x123/0x171 [ 195.417320] should_fail.cold.4+0x5/0xa [ 195.421271] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 195.426746] ? lock_downgrade+0x860/0x860 [ 195.431089] ? set_page_refcounted+0x100/0x100 [ 195.435848] ? ___might_sleep+0x16b/0x270 [ 195.440272] __should_failslab+0xba/0xf0 [ 195.444319] should_failslab+0x9/0x20 [ 195.449345] kmem_cache_alloc_trace+0x2cb/0x740 [ 195.454321] ? qfq_change_class+0xa93/0x14e0 [ 195.458805] ? qfq_change_class+0xa93/0x14e0 [ 195.463311] ? __local_bh_enable_ip+0x160/0x260 [ 195.467987] qfq_change_class+0xad9/0x14e0 [ 195.472502] ? qfq_delete_class+0x2d0/0x2d0 [ 195.476899] ? nla_parse+0x197/0x280 [ 195.480619] tc_ctl_tclass+0x3e9/0xba0 [ 195.484723] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 195.489899] ? __local_bh_enable_ip+0x160/0x260 [ 195.494610] rtnetlink_rcv_msg+0x34f/0x8f0 [ 195.498861] ? rtnetlink_put_metrics+0x490/0x490 [ 195.503724] ? napi_alloc_frag+0x70/0x70 [ 195.508013] netlink_rcv_skb+0x13e/0x3d0 [ 195.512263] ? lock_downgrade+0x860/0x860 [ 195.516711] ? rtnetlink_put_metrics+0x490/0x490 [ 195.521473] ? netlink_ack+0xa70/0xa70 [ 195.525612] ? netlink_deliver_tap+0x182/0xb00 [ 195.530380] rtnetlink_rcv+0x10/0x20 [ 195.534368] netlink_unicast+0x443/0x650 [ 195.538522] ? netlink_attachskb+0x6c0/0x6c0 [ 195.543094] ? _copy_from_iter_full+0x182/0x720 [ 195.547777] ? __check_object_size+0x1ef/0x310 [ 195.552530] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 195.558752] netlink_sendmsg+0x764/0xc60 [ 195.562931] ? netlink_unicast+0x650/0x650 [ 195.567374] ? apparmor_socket_sendmsg+0x1b/0x20 [ 195.572676] ? netlink_unicast+0x650/0x650 [ 195.576952] sock_sendmsg+0xb5/0xf0 [ 195.580658] ___sys_sendmsg+0x647/0x950 [ 195.584649] ? get_pid_task+0x80/0x110 [ 195.589223] ? lock_downgrade+0x860/0x860 [ 195.593780] ? copy_msghdr_from_user+0x430/0x430 [ 195.598653] ? __fget+0x278/0x400 [ 195.602399] ? __fget+0x9f/0x400 [ 195.606070] ? proc_fail_nth_write+0x13a/0x180 [ 195.611125] ? __fget+0x295/0x400 [ 195.614569] ? expand_files.part.8+0x700/0x700 [ 195.619267] ? kernel_read+0x130/0x130 [ 195.623345] ? __f_unlock_pos+0xd/0x10 [ 195.627578] ? __fget_light+0x174/0x1e0 [ 195.631668] ? __fdget+0xe/0x10 [ 195.635129] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 195.640135] __sys_sendmsg+0xd9/0x180 [ 195.643948] ? __ia32_sys_shutdown+0x70/0x70 [ 195.648645] ? __sb_end_write+0xa4/0xd0 [ 195.652635] ? kasan_check_write+0x14/0x20 [ 195.657576] ? fput+0x18/0x120 [ 195.661069] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 195.666974] __x64_sys_sendmsg+0x73/0xb0 [ 195.671774] do_syscall_64+0xd0/0x4e0 [ 195.676665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 195.682289] RIP: 0033:0x463d89 [ 195.685581] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 195.705671] RSP: 002b:00007f2a0169e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 195.713792] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 195.721379] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 195.729550] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 195.740758] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 [ 195.748514] R13: 00007f2a0169e6bc R14: 0000000000000009 R15: 0000000000000001 [ 195.768410] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 195.788219] FAULT_INJECTION: forcing a failure. [ 195.788219] name failslab, interval 1, probability 0, space 0, times 0 [ 195.800444] CPU: 1 PID: 11178 Comm: syz-executor.0 Tainted: G B 4.19.188-syzkaller #0 [ 195.810331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.819939] Call Trace: [ 195.822616] dump_stack+0x123/0x171 [ 195.826235] should_fail.cold.4+0x5/0xa [ 195.830196] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 195.835774] ? lock_downgrade+0x860/0x860 [ 195.839983] ? set_page_refcounted+0x100/0x100 [ 195.844659] ? ___might_sleep+0x16b/0x270 [ 195.848891] __should_failslab+0xba/0xf0 [ 195.853121] should_failslab+0x9/0x20 [ 195.857085] kmem_cache_alloc_trace+0x2cb/0x740 [ 195.861829] ? qfq_change_class+0xa93/0x14e0 [ 195.866598] ? qfq_change_class+0xa93/0x14e0 [ 195.871606] ? __local_bh_enable_ip+0x160/0x260 [ 195.876457] qfq_change_class+0xad9/0x14e0 [ 195.881804] ? qfq_delete_class+0x2d0/0x2d0 [ 195.886374] ? nla_parse+0x197/0x280 [ 195.890288] tc_ctl_tclass+0x3e9/0xba0 [ 195.894600] ? qdisc_tree_reduce_backlog+0x560/0x560 [ 195.899694] ? __local_bh_enable_ip+0x160/0x260 [ 195.904458] rtnetlink_rcv_msg+0x34f/0x8f0 [ 195.908823] ? rtnetlink_put_metrics+0x490/0x490 [ 195.913776] ? napi_alloc_frag+0x70/0x70 [ 195.917850] netlink_rcv_skb+0x13e/0x3d0 [ 195.922565] ? lock_downgrade+0x860/0x860 [ 195.927197] ? rtnetlink_put_metrics+0x490/0x490 [ 195.932757] ? netlink_ack+0xa70/0xa70 [ 195.936639] ? netlink_deliver_tap+0x182/0xb00 [ 195.941332] rtnetlink_rcv+0x10/0x20 [ 195.945051] netlink_unicast+0x443/0x650 [ 195.949100] ? netlink_attachskb+0x6c0/0x6c0 [ 195.953494] ? _copy_from_iter_full+0x182/0x720 [ 195.958153] ? __check_object_size+0x1ef/0x310 [ 195.963090] ? security_socket_getpeersec_dgram+0x53/0xa0 [ 195.968991] netlink_sendmsg+0x764/0xc60 [ 195.973567] ? netlink_unicast+0x650/0x650 [ 195.978083] ? apparmor_socket_sendmsg+0x1b/0x20 [ 195.983003] ? netlink_unicast+0x650/0x650 [ 195.987355] sock_sendmsg+0xb5/0xf0 [ 195.991088] ___sys_sendmsg+0x647/0x950 [ 195.995153] ? get_pid_task+0x80/0x110 [ 195.999201] ? lock_downgrade+0x860/0x860 [ 196.003432] ? copy_msghdr_from_user+0x430/0x430 [ 196.008377] ? __fget+0x278/0x400 [ 196.011827] ? __fget+0x9f/0x400 [ 196.015280] ? proc_fail_nth_write+0x13a/0x180 [ 196.020250] ? __fget+0x295/0x400 [ 196.023691] ? expand_files.part.8+0x700/0x700 [ 196.028345] ? kernel_read+0x130/0x130 [ 196.032468] ? __f_unlock_pos+0xd/0x10 [ 196.036444] ? __fget_light+0x174/0x1e0 [ 196.040677] ? __fdget+0xe/0x10 [ 196.044068] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 196.049054] __sys_sendmsg+0xd9/0x180 [ 196.053055] ? __ia32_sys_shutdown+0x70/0x70 [ 196.057679] ? __sb_end_write+0xa4/0xd0 [ 196.061823] ? kasan_check_write+0x14/0x20 [ 196.066038] ? fput+0x18/0x120 [ 196.069225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 196.074667] __x64_sys_sendmsg+0x73/0xb0 [ 196.079355] do_syscall_64+0xd0/0x4e0 [ 196.083366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 196.088723] RIP: 0033:0x463d89 [ 196.092006] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 196.111596] RSP: 002b:00007fed802e3198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.119552] RAX: ffffffffffffffda RBX: 00000000000009fa RCX: 0000000000463d89 [ 196.126985] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008 [ 196.134525] RBP: 000000000000002e R08: 0000000000000000 R09: 0000000000000000 [ 196.142254] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053c040 [ 196.150334] R13: 00007fed802e36bc R14: 0000000000000009 R15: 0000000000000001 [ 196.158919] FAULT_INJECTION: forcing a failure. [ 196.158919] name failslab, interval 1, probability 0, space 0, times 0 [ 196.170782] CPU: 1 PID: 11184 Comm: syz-executor.3 Tainted: G B 4.19.188-syzkaller #0 [ 196.180144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011