[ 71.868953] team0 (unregistering): Port device team_slave_1 removed [ 71.881805] team0 (unregistering): Port device team_slave_0 removed [ 71.893608] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.909790] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.948540] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. 2021/06/23 19:51:43 parsed 1 programs 2021/06/23 19:51:43 executed programs: 0 [ 77.743781] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.750611] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.761477] device bridge_slave_0 entered promiscuous mode [ 77.853971] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.860617] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.871647] device bridge_slave_1 entered promiscuous mode [ 77.908341] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.915313] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.926481] device bridge_slave_0 entered promiscuous mode [ 77.965759] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.972278] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.994641] device bridge_slave_0 entered promiscuous mode [ 78.012417] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.019106] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.028356] device bridge_slave_0 entered promiscuous mode [ 78.038040] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.044492] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.059854] device bridge_slave_1 entered promiscuous mode [ 78.078235] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.085085] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.095360] device bridge_slave_0 entered promiscuous mode [ 78.110559] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.117176] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.132244] device bridge_slave_1 entered promiscuous mode [ 78.147688] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.154154] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.164281] device bridge_slave_0 entered promiscuous mode [ 78.171032] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.177685] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.186766] device bridge_slave_1 entered promiscuous mode [ 78.194615] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.201287] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.209222] device bridge_slave_1 entered promiscuous mode [ 78.225637] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.232304] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.241641] device bridge_slave_1 entered promiscuous mode [ 78.331010] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.413795] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.440868] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.466572] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.489799] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.522486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.554670] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.568017] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.593273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.609776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.629277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.639680] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.656491] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.696662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.744469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.826900] team0: Port device team_slave_0 added [ 78.867924] team0: Port device team_slave_0 added [ 78.887718] team0: Port device team_slave_1 added [ 78.959502] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.987173] team0: Port device team_slave_0 added [ 79.004141] team0: Port device team_slave_1 added [ 79.017351] team0: Port device team_slave_0 added [ 79.032915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.061287] team0: Port device team_slave_1 added [ 79.072690] team0: Port device team_slave_0 added [ 79.084731] team0: Port device team_slave_1 added [ 79.104291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.133307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.152344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.167469] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.178787] team0: Port device team_slave_1 added [ 79.188194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.206492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.217245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.242933] team0: Port device team_slave_0 added [ 79.259900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.274260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.293761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.303583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.311658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.320980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.329618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.351589] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.371230] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.385116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.399309] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.407388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.415462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.428087] team0: Port device team_slave_1 added [ 79.436468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.454107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.482148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.500408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.519578] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.527561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.544201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.557701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.598430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.618635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.641470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.649568] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.667242] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.679611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.715512] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.732509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.063217] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.069743] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.076604] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.083221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.160042] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.166580] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.173310] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.179864] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.194937] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.201479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.208258] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.214786] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.290764] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.297552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.304325] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.310892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.414158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.427640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.439500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.446743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.458056] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.464607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.471321] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.477819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.568403] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.574840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.581589] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.588429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.438546] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.450778] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.791419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.811842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.914404] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.993536] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.013509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.294794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.305850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.329911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.345266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.365247] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.429130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.443737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.468407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.491182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.513690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.535167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.579773] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.599887] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.661165] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.721470] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.744455] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.934409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.945019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.164004] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.052348] audit: type=1400 audit(1624477912.052:11): avc: denied { create } for pid=5939 comm="syz-executor5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 85.159792] audit: type=1400 audit(1624477912.054:12): avc: denied { name_bind } for pid=5939 comm="syz-executor5" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 85.201720] FAULT_INJECTION: forcing a failure. [ 85.201720] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 85.217709] CPU: 1 PID: 5942 Comm: syz-executor5 Not tainted 5.13.0-rc7-syzkaller #0 [ 85.226226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.236934] Call Trace: [ 85.239748] dump_stack+0x195/0x1f8 [ 85.243791] should_fail.cold+0x5/0xa [ 85.248175] ? __kasan_check_read+0x11/0x20 [ 85.253851] should_fail_alloc_page+0x50/0x60 [ 85.258785] prepare_alloc_pages+0x18d/0x550 [ 85.263418] __alloc_pages+0x142/0x5a0 [ 85.265047] audit: type=1400 audit(1624477912.054:13): avc: denied { node_bind } for pid=5939 comm="syz-executor5" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 85.267343] ? ___sys_sendmsg+0x11d/0x190 [ 85.267374] ? __sys_sendmmsg+0x1bf/0x4d0 [ 85.267398] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 85.304794] ? lock_is_held_type+0xe5/0x110 [ 85.309287] ? fs_reclaim_release+0xa9/0x100 [ 85.314778] ? lock_release+0x261/0x920 [ 85.319317] cache_grow_begin+0x81/0x3d0 [ 85.324048] cache_alloc_refill+0x289/0x340 [ 85.324868] FAULT_INJECTION: forcing a failure. [ 85.324868] name failslab, interval 1, probability 0, space 0, times 1 [ 85.329038] ? lockdep_hardirqs_off+0x89/0xc0 [ 85.329074] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 85.329108] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 85.360429] __kmalloc_node_track_caller+0x3d/0x70 [ 85.365484] __alloc_skb+0xe4/0x380 [ 85.369217] alloc_skb_with_frags+0x93/0x590 [ 85.373653] sock_alloc_send_pskb+0x840/0x9f0 [ 85.378372] ? find_held_lock+0x35/0x130 [ 85.382471] ? sk_reset_timer+0xd0/0xd0 [ 85.386639] ? _raw_spin_unlock_bh+0x2c/0x40 [ 85.391051] ? lockdep_hardirqs_on+0x7e/0x100 [ 85.395727] ? __local_bh_enable_ip+0x119/0x1f0 [ 85.400497] ? trace_hardirqs_on+0x6a/0x190 [ 85.405012] ? release_sock+0x15a/0x1c0 [ 85.409026] sock_alloc_send_skb+0x32/0x40 [ 85.413624] dccp_sendmsg+0x2a1/0xc30 [ 85.417609] ? perf_trace_dccp_probe+0xf80/0xf80 [ 85.422540] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 85.428364] ? perf_trace_dccp_probe+0xf80/0xf80 [ 85.433309] inet_sendmsg+0x10f/0x140 [ 85.437133] ? inet_send_prepare+0x4f0/0x4f0 [ 85.441672] sock_sendmsg+0x140/0x190 [ 85.445685] ____sys_sendmsg+0x372/0x8f0 [ 85.449765] ? kernel_sendmsg+0x50/0x50 [ 85.454113] ? __kasan_check_read+0x11/0x20 [ 85.458528] ? __lock_acquire+0x17a7/0x5480 [ 85.463396] ___sys_sendmsg+0x11d/0x190 [ 85.467393] ? sendmsg_copy_msghdr+0x170/0x170 [ 85.472163] ? lock_is_held_type+0xe5/0x110 [ 85.476589] ? lock_is_held_type+0xe5/0x110 [ 85.480910] ? find_held_lock+0x35/0x130 [ 85.485070] ? __might_fault+0xdf/0x190 [ 85.489565] ? lock_release+0x261/0x920 [ 85.493543] ? lock_downgrade+0x990/0x990 [ 85.497871] ? lock_is_held_type+0xe5/0x110 [ 85.502219] __sys_sendmmsg+0x1bf/0x4d0 [ 85.506286] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 85.510882] ? lock_release+0x261/0x920 [ 85.515537] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 85.521181] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 85.526821] ? fput+0x47/0x50 [ 85.530188] ? ksys_write+0x1d5/0x290 [ 85.533999] ? lock_is_held_type+0x63/0x110 [ 85.538778] ? do_syscall_64+0x1c/0xb0 [ 85.542751] ? lockdep_hardirqs_on+0x7e/0x100 [ 85.547525] __x64_sys_sendmmsg+0x9d/0x100 [ 85.551770] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.557137] do_syscall_64+0x40/0xb0 [ 85.560967] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.566860] RIP: 0033:0x45d939 [ 85.570142] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.589869] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 85.597704] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 85.605634] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 85.613333] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 85.620793] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 85.628144] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 85.635421] CPU: 0 PID: 5963 Comm: syz-executor2 Not tainted 5.13.0-rc7-syzkaller #0 [ 85.643676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.653307] Call Trace: [ 85.655987] dump_stack+0x195/0x1f8 [ 85.659645] should_fail.cold+0x5/0xa [ 85.663655] __should_failslab+0xb7/0x100 [ 85.667840] should_failslab+0x9/0x20 [ 85.671865] kmem_cache_alloc_node_trace+0x6c/0x420 [ 85.677021] __kmalloc_node_track_caller+0x3d/0x70 [ 85.681999] __alloc_skb+0xe4/0x380 [ 85.685833] alloc_skb_with_frags+0x93/0x590 [ 85.690424] sock_alloc_send_pskb+0x840/0x9f0 [ 85.695053] ? find_held_lock+0x35/0x130 [ 85.699301] ? sk_reset_timer+0xd0/0xd0 [ 85.703675] ? _raw_spin_unlock_bh+0x2c/0x40 [ 85.708118] ? lockdep_hardirqs_on+0x7e/0x100 [ 85.712732] ? __local_bh_enable_ip+0x119/0x1f0 [ 85.717517] ? trace_hardirqs_on+0x6a/0x190 [ 85.722045] ? release_sock+0x15a/0x1c0 [ 85.726053] sock_alloc_send_skb+0x32/0x40 [ 85.730505] dccp_sendmsg+0x2a1/0xc30 [ 85.731328] FAULT_INJECTION: forcing a failure. [ 85.731328] name failslab, interval 1, probability 0, space 0, times 1 [ 85.734457] ? perf_trace_dccp_probe+0xf80/0xf80 [ 85.734490] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 85.757082] ? perf_trace_dccp_probe+0xf80/0xf80 [ 85.761853] inet_sendmsg+0x10f/0x140 [ 85.765982] ? inet_send_prepare+0x4f0/0x4f0 [ 85.770663] sock_sendmsg+0x140/0x190 [ 85.774474] ____sys_sendmsg+0x372/0x8f0 [ 85.778545] ? kernel_sendmsg+0x50/0x50 [ 85.782518] ? finish_task_switch.isra.0+0x125/0x6c0 [ 85.788227] ? lock_release+0x261/0x920 [ 85.792304] ___sys_sendmsg+0x11d/0x190 [ 85.796363] ? sendmsg_copy_msghdr+0x170/0x170 [ 85.800941] ? _raw_spin_unlock_irq+0x23/0x70 [ 85.805437] ? trace_hardirqs_on+0x6a/0x190 [ 85.809782] ? _raw_spin_unlock_irq+0x23/0x70 [ 85.814336] ? finish_task_switch.isra.0+0x125/0x6c0 [ 85.819524] ? finish_task_switch.isra.0+0xef/0x6c0 [ 85.824826] ? __switch_to+0x437/0xf80 [ 85.828714] ? __switch_to_asm+0x42/0x70 [ 85.832780] ? __schedule+0xf52/0x2310 [ 85.836769] ? io_schedule_timeout+0x140/0x140 [ 85.841391] ? lock_is_held_type+0xe5/0x110 [ 85.845921] ? __kasan_check_read+0x11/0x20 [ 85.850253] __sys_sendmmsg+0x1bf/0x4d0 [ 85.854490] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 85.858809] ? lock_release+0x261/0x920 [ 85.862936] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 85.868481] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 85.874195] ? fput+0x47/0x50 [ 85.877303] ? ksys_write+0x1d5/0x290 [ 85.881366] ? lock_is_held_type+0x63/0x110 [ 85.886138] ? do_syscall_64+0x1c/0xb0 [ 85.890307] ? lockdep_hardirqs_on+0x7e/0x100 [ 85.895072] __x64_sys_sendmmsg+0x9d/0x100 [ 85.899493] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.905223] do_syscall_64+0x40/0xb0 [ 85.908944] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.914133] RIP: 0033:0x45d939 [ 85.917427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.936604] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 85.944345] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 85.951794] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 85.959056] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 85.966671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 85.974226] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 85.982005] CPU: 1 PID: 5955 Comm: syz-executor Not tainted 5.13.0-rc7-syzkaller #0 [ 85.990444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.000214] Call Trace: [ 86.002891] dump_stack+0x195/0x1f8 [ 86.006987] should_fail.cold+0x5/0xa [ 86.010916] __should_failslab+0xb7/0x100 [ 86.015217] should_failslab+0x9/0x20 [ 86.019188] kmem_cache_alloc_node_trace+0x6c/0x420 [ 86.024345] __kmalloc_node_track_caller+0x3d/0x70 [ 86.029321] __alloc_skb+0xe4/0x380 [ 86.032981] alloc_skb_with_frags+0x93/0x590 [ 86.037904] sock_alloc_send_pskb+0x840/0x9f0 [ 86.042681] ? find_held_lock+0x35/0x130 [ 86.046737] audit: type=1400 audit(1624477912.061:14): avc: denied { name_connect } for pid=5939 comm="syz-executor5" dest=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 86.046889] ? sk_reset_timer+0xd0/0xd0 [ 86.075027] ? _raw_spin_unlock_bh+0x2c/0x40 [ 86.079645] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.084262] ? __local_bh_enable_ip+0x119/0x1f0 [ 86.089337] ? trace_hardirqs_on+0x6a/0x190 [ 86.093973] ? release_sock+0x15a/0x1c0 [ 86.098827] sock_alloc_send_skb+0x32/0x40 [ 86.103194] dccp_sendmsg+0x2a1/0xc30 [ 86.107063] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.111953] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 86.117529] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.122633] inet_sendmsg+0x10f/0x140 [ 86.122964] FAULT_INJECTION: forcing a failure. [ 86.122964] name failslab, interval 1, probability 0, space 0, times 0 [ 86.126891] ? inet_send_prepare+0x4f0/0x4f0 [ 86.126919] sock_sendmsg+0x140/0x190 [ 86.147105] ____sys_sendmsg+0x372/0x8f0 [ 86.151357] ? kernel_sendmsg+0x50/0x50 [ 86.155693] ? __kasan_check_read+0x11/0x20 [ 86.160219] ? __lock_acquire+0x17a7/0x5480 [ 86.164739] ___sys_sendmsg+0x11d/0x190 [ 86.168833] ? sendmsg_copy_msghdr+0x170/0x170 [ 86.173766] ? lock_is_held_type+0xe5/0x110 [ 86.178104] ? lock_is_held_type+0xe5/0x110 [ 86.182519] ? find_held_lock+0x35/0x130 [ 86.186675] ? __might_fault+0xdf/0x190 [ 86.190765] ? lock_release+0x261/0x920 [ 86.195192] ? lock_downgrade+0x990/0x990 [ 86.199460] ? lock_is_held_type+0xe5/0x110 [ 86.204158] __sys_sendmmsg+0x1bf/0x4d0 [ 86.208218] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 86.212821] ? lock_release+0x261/0x920 [ 86.216841] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 86.223371] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 86.229356] ? fput+0x47/0x50 [ 86.232486] ? ksys_write+0x1d5/0x290 [ 86.236402] ? lock_is_held_type+0x63/0x110 [ 86.240844] ? do_syscall_64+0x1c/0xb0 [ 86.245187] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.250037] __x64_sys_sendmmsg+0x9d/0x100 [ 86.254275] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.259846] do_syscall_64+0x40/0xb0 [ 86.263834] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.269992] RIP: 0033:0x45d939 [ 86.273649] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.293230] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 86.301208] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 86.309361] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 86.317340] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 86.324886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 86.332414] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 86.340331] CPU: 0 PID: 5971 Comm: syz-executor1 Not tainted 5.13.0-rc7-syzkaller #0 2021/06/23 19:51:53 executed programs: 6 [ 86.348794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.358666] Call Trace: [ 86.361450] dump_stack+0x195/0x1f8 [ 86.365722] should_fail.cold+0x5/0xa [ 86.369976] __should_failslab+0xb7/0x100 [ 86.374394] should_failslab+0x9/0x20 [ 86.378543] kmem_cache_alloc_node_trace+0x6c/0x420 [ 86.384049] __kmalloc_node_track_caller+0x3d/0x70 [ 86.389461] __alloc_skb+0xe4/0x380 [ 86.393485] alloc_skb_with_frags+0x93/0x590 [ 86.398209] sock_alloc_send_pskb+0x840/0x9f0 [ 86.402750] ? find_held_lock+0x35/0x130 [ 86.407044] ? sk_reset_timer+0xd0/0xd0 [ 86.411319] ? _raw_spin_unlock_bh+0x2c/0x40 [ 86.416521] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.421154] ? __local_bh_enable_ip+0x119/0x1f0 [ 86.426358] ? trace_hardirqs_on+0x6a/0x190 [ 86.430813] ? release_sock+0x15a/0x1c0 [ 86.435228] sock_alloc_send_skb+0x32/0x40 [ 86.440414] dccp_sendmsg+0x2a1/0xc30 [ 86.444690] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.449752] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 86.455877] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.461028] inet_sendmsg+0x10f/0x140 [ 86.465535] ? inet_send_prepare+0x4f0/0x4f0 [ 86.470398] sock_sendmsg+0x140/0x190 [ 86.474330] ____sys_sendmsg+0x372/0x8f0 [ 86.479253] ? kernel_sendmsg+0x50/0x50 [ 86.483358] ? __kasan_check_read+0x11/0x20 [ 86.487810] ? __lock_acquire+0x17a7/0x5480 [ 86.492479] ___sys_sendmsg+0x11d/0x190 [ 86.496816] ? sendmsg_copy_msghdr+0x170/0x170 [ 86.501878] ? lock_is_held_type+0xe5/0x110 [ 86.506246] ? lock_is_held_type+0xe5/0x110 [ 86.510809] ? find_held_lock+0x35/0x130 [ 86.515082] ? __might_fault+0xdf/0x190 [ 86.519436] ? lock_release+0x261/0x920 [ 86.523630] ? lock_downgrade+0x990/0x990 [ 86.527820] ? lock_is_held_type+0xe5/0x110 [ 86.532190] __sys_sendmmsg+0x1bf/0x4d0 [ 86.536563] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 86.541176] ? lock_release+0x261/0x920 [ 86.545468] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 86.552540] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 86.558556] ? fput+0x47/0x50 [ 86.561703] ? ksys_write+0x1d5/0x290 [ 86.565927] ? lock_is_held_type+0x63/0x110 [ 86.570545] ? do_syscall_64+0x1c/0xb0 [ 86.574901] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.579554] __x64_sys_sendmmsg+0x9d/0x100 [ 86.584122] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.589728] do_syscall_64+0x40/0xb0 [ 86.593779] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.599537] RIP: 0033:0x45d939 [ 86.602880] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.609325] FAULT_INJECTION: forcing a failure. [ 86.609325] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.622111] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 86.642566] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 86.650495] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 86.658355] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 86.666797] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 86.674844] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 86.682919] CPU: 1 PID: 5982 Comm: syz-executor Not tainted 5.13.0-rc7-syzkaller #0 [ 86.691003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.700674] Call Trace: [ 86.703273] dump_stack+0x195/0x1f8 [ 86.706925] should_fail.cold+0x5/0xa [ 86.710746] ? __kasan_check_read+0x11/0x20 [ 86.715213] should_fail_alloc_page+0x50/0x60 [ 86.719737] prepare_alloc_pages+0x18d/0x550 [ 86.724277] __alloc_pages+0x142/0x5a0 [ 86.728190] ? ___sys_sendmsg+0x11d/0x190 [ 86.732382] ? __sys_sendmmsg+0x1bf/0x4d0 [ 86.736666] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 86.742850] ? lock_is_held_type+0xe5/0x110 [ 86.747258] ? fs_reclaim_release+0xa9/0x100 [ 86.751874] ? lock_release+0x261/0x920 [ 86.756085] cache_grow_begin+0x81/0x3d0 [ 86.760787] cache_alloc_refill+0x289/0x340 [ 86.765401] ? lockdep_hardirqs_off+0x89/0xc0 [ 86.770364] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 86.776337] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 86.781924] __kmalloc_node_track_caller+0x3d/0x70 [ 86.787250] __alloc_skb+0xe4/0x380 [ 86.791197] alloc_skb_with_frags+0x93/0x590 [ 86.795916] sock_alloc_send_pskb+0x840/0x9f0 [ 86.800447] ? find_held_lock+0x35/0x130 [ 86.804841] ? sk_reset_timer+0xd0/0xd0 [ 86.809190] ? _raw_spin_unlock_bh+0x2c/0x40 [ 86.814126] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.818745] ? __local_bh_enable_ip+0x119/0x1f0 [ 86.823540] ? trace_hardirqs_on+0x6a/0x190 [ 86.825049] FAULT_INJECTION: forcing a failure. [ 86.825049] name failslab, interval 1, probability 0, space 0, times 0 [ 86.827894] ? release_sock+0x15a/0x1c0 [ 86.827933] sock_alloc_send_skb+0x32/0x40 [ 86.848369] dccp_sendmsg+0x2a1/0xc30 [ 86.852538] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.857315] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 86.862884] ? perf_trace_dccp_probe+0xf80/0xf80 [ 86.867661] inet_sendmsg+0x10f/0x140 [ 86.871551] ? inet_send_prepare+0x4f0/0x4f0 [ 86.875961] sock_sendmsg+0x140/0x190 [ 86.879764] ____sys_sendmsg+0x372/0x8f0 [ 86.884004] ? kernel_sendmsg+0x50/0x50 [ 86.888178] ? __kasan_check_read+0x11/0x20 [ 86.893442] ? __lock_acquire+0x17a7/0x5480 [ 86.897773] ___sys_sendmsg+0x11d/0x190 [ 86.901755] ? sendmsg_copy_msghdr+0x170/0x170 [ 86.906340] ? lock_is_held_type+0xe5/0x110 [ 86.910670] ? lock_is_held_type+0xe5/0x110 [ 86.914994] ? find_held_lock+0x35/0x130 [ 86.919324] ? __might_fault+0xdf/0x190 [ 86.923308] ? lock_release+0x261/0x920 [ 86.927315] ? lock_downgrade+0x990/0x990 [ 86.931576] ? lock_is_held_type+0xe5/0x110 [ 86.936008] __sys_sendmmsg+0x1bf/0x4d0 [ 86.939984] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 86.944418] ? lock_release+0x261/0x920 [ 86.948590] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 86.954248] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 86.959984] ? fput+0x47/0x50 [ 86.963119] ? ksys_write+0x1d5/0x290 [ 86.967350] ? lock_is_held_type+0x63/0x110 [ 86.971793] ? do_syscall_64+0x1c/0xb0 [ 86.975808] ? lockdep_hardirqs_on+0x7e/0x100 [ 86.980414] __x64_sys_sendmmsg+0x9d/0x100 [ 86.984753] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.990644] do_syscall_64+0x40/0xb0 [ 86.994369] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.000526] RIP: 0033:0x45d939 [ 87.003846] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.023369] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 87.031476] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 87.039253] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 87.046527] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 87.054216] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 87.061618] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 87.069526] CPU: 0 PID: 5989 Comm: syz-executor5 Not tainted 5.13.0-rc7-syzkaller #0 [ 87.077611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.087299] Call Trace: [ 87.089899] dump_stack+0x195/0x1f8 [ 87.093645] should_fail.cold+0x5/0xa [ 87.097504] __should_failslab+0xb7/0x100 [ 87.101682] should_failslab+0x9/0x20 [ 87.105606] kmem_cache_alloc_node_trace+0x6c/0x420 [ 87.110836] __kmalloc_node_track_caller+0x3d/0x70 [ 87.111742] FAULT_INJECTION: forcing a failure. [ 87.111742] name failslab, interval 1, probability 0, space 0, times 0 [ 87.115800] __alloc_skb+0xe4/0x380 [ 87.115831] alloc_skb_with_frags+0x93/0x590 [ 87.135292] sock_alloc_send_pskb+0x840/0x9f0 [ 87.139830] ? find_held_lock+0x35/0x130 [ 87.143899] ? sk_reset_timer+0xd0/0xd0 [ 87.147874] ? _raw_spin_unlock_bh+0x2c/0x40 [ 87.152368] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.156859] ? __local_bh_enable_ip+0x119/0x1f0 [ 87.161528] ? trace_hardirqs_on+0x6a/0x190 [ 87.165946] ? release_sock+0x15a/0x1c0 [ 87.169948] sock_alloc_send_skb+0x32/0x40 [ 87.174621] dccp_sendmsg+0x2a1/0xc30 [ 87.178422] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.183632] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 87.189180] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.194175] inet_sendmsg+0x10f/0x140 [ 87.198060] ? inet_send_prepare+0x4f0/0x4f0 [ 87.202481] sock_sendmsg+0x140/0x190 [ 87.206386] ____sys_sendmsg+0x372/0x8f0 [ 87.210795] ? kernel_sendmsg+0x50/0x50 [ 87.215185] ? __kasan_check_read+0x11/0x20 [ 87.219802] ? __lock_acquire+0x17a7/0x5480 [ 87.224782] ___sys_sendmsg+0x11d/0x190 [ 87.228957] ? sendmsg_copy_msghdr+0x170/0x170 [ 87.233643] ? _raw_spin_unlock_irq+0x23/0x70 [ 87.238140] ? trace_hardirqs_on+0x6a/0x190 [ 87.242477] ? lock_is_held_type+0xe5/0x110 [ 87.246818] ? lock_is_held_type+0xe5/0x110 [ 87.251242] ? find_held_lock+0x35/0x130 [ 87.255400] ? __might_fault+0xdf/0x190 [ 87.259438] ? lock_release+0x261/0x920 [ 87.263635] ? lock_downgrade+0x990/0x990 [ 87.267969] ? lock_is_held_type+0xe5/0x110 [ 87.272301] __sys_sendmmsg+0x1bf/0x4d0 [ 87.276373] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 87.280795] ? lock_release+0x261/0x920 [ 87.285140] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 87.290770] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 87.296572] ? fput+0x47/0x50 [ 87.299687] ? ksys_write+0x1d5/0x290 [ 87.303672] ? lock_is_held_type+0x63/0x110 [ 87.308126] ? do_syscall_64+0x1c/0xb0 [ 87.312010] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.316508] __x64_sys_sendmmsg+0x9d/0x100 [ 87.320889] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.326264] do_syscall_64+0x40/0xb0 [ 87.329991] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.335368] RIP: 0033:0x45d939 [ 87.338557] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.357730] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 87.365441] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 87.372897] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 87.380469] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 87.387839] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 87.395202] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 87.402564] CPU: 1 PID: 5983 Comm: syz-executor2 Not tainted 5.13.0-rc7-syzkaller #0 [ 87.410650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.422280] Call Trace: [ 87.424873] dump_stack+0x195/0x1f8 [ 87.428531] should_fail.cold+0x5/0xa [ 87.432537] __should_failslab+0xb7/0x100 [ 87.436816] should_failslab+0x9/0x20 [ 87.440912] kmem_cache_alloc_node_trace+0x6c/0x420 [ 87.446053] __kmalloc_node_track_caller+0x3d/0x70 [ 87.451284] __alloc_skb+0xe4/0x380 [ 87.455059] alloc_skb_with_frags+0x93/0x590 [ 87.459505] sock_alloc_send_pskb+0x840/0x9f0 [ 87.464190] ? find_held_lock+0x35/0x130 [ 87.468473] ? sk_reset_timer+0xd0/0xd0 [ 87.472864] ? _raw_spin_unlock_bh+0x2c/0x40 [ 87.477773] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.482311] ? __local_bh_enable_ip+0x119/0x1f0 [ 87.487013] ? trace_hardirqs_on+0x6a/0x190 [ 87.491697] ? release_sock+0x15a/0x1c0 [ 87.495807] sock_alloc_send_skb+0x32/0x40 [ 87.500081] dccp_sendmsg+0x2a1/0xc30 [ 87.504008] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.509016] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 87.514686] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.519806] inet_sendmsg+0x10f/0x140 [ 87.523654] ? inet_send_prepare+0x4f0/0x4f0 [ 87.528192] sock_sendmsg+0x140/0x190 [ 87.532128] ____sys_sendmsg+0x372/0x8f0 [ 87.536322] ? kernel_sendmsg+0x50/0x50 [ 87.540425] ? __kasan_check_read+0x11/0x20 [ 87.545044] ? __lock_acquire+0x17a7/0x5480 [ 87.550333] ___sys_sendmsg+0x11d/0x190 [ 87.554641] ? sendmsg_copy_msghdr+0x170/0x170 [ 87.559878] ? lock_is_held_type+0xe5/0x110 [ 87.564720] ? lock_is_held_type+0xe5/0x110 [ 87.569975] ? find_held_lock+0x35/0x130 [ 87.574182] ? __might_fault+0xdf/0x190 [ 87.576638] FAULT_INJECTION: forcing a failure. [ 87.576638] name failslab, interval 1, probability 0, space 0, times 0 [ 87.578196] ? lock_release+0x261/0x920 [ 87.593984] ? lock_downgrade+0x990/0x990 [ 87.598356] ? lock_is_held_type+0xe5/0x110 [ 87.602807] __sys_sendmmsg+0x1bf/0x4d0 [ 87.606784] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 87.611230] ? lock_release+0x261/0x920 [ 87.615225] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 87.620941] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 87.626478] ? fput+0x47/0x50 [ 87.629670] ? ksys_write+0x1d5/0x290 [ 87.633567] ? lock_is_held_type+0x63/0x110 [ 87.637896] ? do_syscall_64+0x1c/0xb0 [ 87.641957] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.646579] __x64_sys_sendmmsg+0x9d/0x100 [ 87.651096] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.656307] do_syscall_64+0x40/0xb0 [ 87.660115] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.665325] RIP: 0033:0x45d939 [ 87.668622] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.688265] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 87.696173] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 87.703640] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 87.710902] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 87.718270] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 87.725639] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 87.733011] CPU: 0 PID: 5988 Comm: syz-executor3 Not tainted 5.13.0-rc7-syzkaller #0 [ 87.741119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.750672] Call Trace: [ 87.753263] dump_stack+0x195/0x1f8 [ 87.756920] should_fail.cold+0x5/0xa [ 87.760749] __should_failslab+0xb7/0x100 [ 87.764926] should_failslab+0x9/0x20 [ 87.768757] kmem_cache_alloc_node+0x66/0x400 [ 87.773546] __alloc_skb+0x220/0x380 [ 87.777288] alloc_skb_with_frags+0x93/0x590 [ 87.781733] sock_alloc_send_pskb+0x840/0x9f0 [ 87.786276] ? find_held_lock+0x35/0x130 [ 87.790638] ? sk_reset_timer+0xd0/0xd0 [ 87.794844] ? _raw_spin_unlock_bh+0x2c/0x40 [ 87.799371] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.803899] ? __local_bh_enable_ip+0x119/0x1f0 [ 87.808697] ? trace_hardirqs_on+0x6a/0x190 [ 87.813057] ? release_sock+0x15a/0x1c0 [ 87.817079] sock_alloc_send_skb+0x32/0x40 [ 87.821520] dccp_sendmsg+0x2a1/0xc30 [ 87.825359] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.830500] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 87.836088] ? perf_trace_dccp_probe+0xf80/0xf80 [ 87.840968] inet_sendmsg+0x10f/0x140 [ 87.844884] ? inet_send_prepare+0x4f0/0x4f0 [ 87.849410] sock_sendmsg+0x140/0x190 [ 87.853240] ____sys_sendmsg+0x372/0x8f0 [ 87.857405] ? kernel_sendmsg+0x50/0x50 [ 87.861417] ? __kasan_check_read+0x11/0x20 [ 87.865941] ? __lock_acquire+0x17a7/0x5480 [ 87.870301] ___sys_sendmsg+0x11d/0x190 [ 87.874391] ? sendmsg_copy_msghdr+0x170/0x170 [ 87.879274] ? lock_is_held_type+0xe5/0x110 [ 87.883907] ? lock_is_held_type+0xe5/0x110 [ 87.888792] ? find_held_lock+0x35/0x130 [ 87.892981] ? __might_fault+0xdf/0x190 [ 87.897154] ? lock_release+0x261/0x920 [ 87.901465] ? lock_downgrade+0x990/0x990 [ 87.906204] ? lock_is_held_type+0xe5/0x110 [ 87.910909] ? srp_attach_transport+0x160/0x590 [ 87.915627] __sys_sendmmsg+0x1bf/0x4d0 [ 87.919951] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 87.924313] ? lock_release+0x261/0x920 [ 87.928337] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 87.934218] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 87.939931] ? fput+0x47/0x50 [ 87.943156] ? ksys_write+0x1d5/0x290 [ 87.947164] ? lock_is_held_type+0x63/0x110 [ 87.951938] ? do_syscall_64+0x1c/0xb0 [ 87.955957] ? lockdep_hardirqs_on+0x7e/0x100 [ 87.960666] __x64_sys_sendmmsg+0x9d/0x100 [ 87.961365] FAULT_INJECTION: forcing a failure. [ 87.961365] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.965012] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.983797] do_syscall_64+0x40/0xb0 [ 87.987546] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.992836] RIP: 0033:0x45d939 [ 87.996483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.017017] RSP: 002b:00007ff553695198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 88.025116] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 88.032569] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 88.040293] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 88.047862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5536956bc [ 88.055570] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 88.064176] CPU: 1 PID: 6011 Comm: syz-executor2 Not tainted 5.13.0-rc7-syzkaller #0 [ 88.072535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.082744] Call Trace: [ 88.085447] dump_stack+0x195/0x1f8 [ 88.089195] should_fail.cold+0x5/0xa [ 88.093030] ? __kasan_check_read+0x11/0x20 [ 88.097405] should_fail_alloc_page+0x50/0x60 [ 88.101929] prepare_alloc_pages+0x18d/0x550 [ 88.106731] __alloc_pages+0x142/0x5a0 [ 88.110751] ? ___sys_sendmsg+0x11d/0x190 [ 88.115027] ? __sys_sendmmsg+0x1bf/0x4d0 [ 88.119519] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 88.125967] ? lock_is_held_type+0xe5/0x110 [ 88.130418] ? fs_reclaim_release+0xa9/0x100 [ 88.135034] ? lock_release+0x261/0x920 [ 88.139076] cache_grow_begin+0x81/0x3d0 [ 88.143339] cache_alloc_refill+0x289/0x340 [ 88.147773] ? lockdep_hardirqs_off+0x89/0xc0 [ 88.152292] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 88.157857] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 88.162988] __kmalloc_node_track_caller+0x3d/0x70 [ 88.168177] __alloc_skb+0xe4/0x380 [ 88.171840] alloc_skb_with_frags+0x93/0x590 [ 88.176388] sock_alloc_send_pskb+0x840/0x9f0 [ 88.181098] ? find_held_lock+0x35/0x130 [ 88.183800] FAULT_INJECTION: forcing a failure. [ 88.183800] name failslab, interval 1, probability 0, space 0, times 0 [ 88.185897] ? sk_reset_timer+0xd0/0xd0 [ 88.201160] ? _raw_spin_unlock_bh+0x2c/0x40 [ 88.205676] ? lockdep_hardirqs_on+0x7e/0x100 [ 88.210257] ? __local_bh_enable_ip+0x119/0x1f0 [ 88.215107] ? trace_hardirqs_on+0x6a/0x190 [ 88.219720] ? release_sock+0x15a/0x1c0 [ 88.223712] sock_alloc_send_skb+0x32/0x40 [ 88.227957] dccp_sendmsg+0x2a1/0xc30 [ 88.232215] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.236990] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 88.242627] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.247401] inet_sendmsg+0x10f/0x140 [ 88.251289] ? inet_send_prepare+0x4f0/0x4f0 [ 88.255880] sock_sendmsg+0x140/0x190 [ 88.259786] ____sys_sendmsg+0x372/0x8f0 [ 88.264117] ? kernel_sendmsg+0x50/0x50 [ 88.268219] ? __kasan_check_read+0x11/0x20 [ 88.272841] ? __lock_acquire+0x17a7/0x5480 [ 88.277174] ___sys_sendmsg+0x11d/0x190 [ 88.281248] ? sendmsg_copy_msghdr+0x170/0x170 [ 88.285926] ? lock_is_held_type+0xe5/0x110 [ 88.290376] ? lock_is_held_type+0xe5/0x110 [ 88.294794] ? find_held_lock+0x35/0x130 [ 88.299412] ? __might_fault+0xdf/0x190 [ 88.303800] ? lock_release+0x261/0x920 [ 88.308040] ? lock_downgrade+0x990/0x990 [ 88.312292] ? lock_is_held_type+0xe5/0x110 [ 88.316814] __sys_sendmmsg+0x1bf/0x4d0 [ 88.320792] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 88.325397] ? lock_release+0x261/0x920 [ 88.329837] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 88.335488] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 88.341127] ? fput+0x47/0x50 [ 88.344235] ? ksys_write+0x1d5/0x290 [ 88.348300] ? lock_is_held_type+0x63/0x110 [ 88.353144] ? do_syscall_64+0x1c/0xb0 [ 88.357450] ? lockdep_hardirqs_on+0x7e/0x100 [ 88.362575] __x64_sys_sendmmsg+0x9d/0x100 [ 88.367300] ? syscall_enter_from_user_mode+0x21/0x70 [ 88.372610] do_syscall_64+0x40/0xb0 [ 88.376427] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.381978] RIP: 0033:0x45d939 [ 88.385172] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.404347] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 88.412254] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 88.419617] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 88.427117] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 88.434436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 88.442162] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 88.449724] CPU: 0 PID: 6015 Comm: syz-executor1 Not tainted 5.13.0-rc7-syzkaller #0 [ 88.458038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.467705] Call Trace: [ 88.470299] dump_stack+0x195/0x1f8 [ 88.474117] should_fail.cold+0x5/0xa [ 88.477949] __should_failslab+0xb7/0x100 [ 88.482388] should_failslab+0x9/0x20 [ 88.486313] kmem_cache_alloc_node_trace+0x6c/0x420 [ 88.491657] __kmalloc_node_track_caller+0x3d/0x70 [ 88.492778] FAULT_INJECTION: forcing a failure. [ 88.492778] name failslab, interval 1, probability 0, space 0, times 0 [ 88.496631] __alloc_skb+0xe4/0x380 [ 88.496663] alloc_skb_with_frags+0x93/0x590 [ 88.496699] sock_alloc_send_pskb+0x840/0x9f0 [ 88.496730] ? find_held_lock+0x35/0x130 [ 88.496762] ? sk_reset_timer+0xd0/0xd0 [ 88.496786] ? _raw_spin_unlock_bh+0x2c/0x40 [ 88.496807] ? lockdep_hardirqs_on+0x7e/0x100 [ 88.496830] ? __local_bh_enable_ip+0x119/0x1f0 [ 88.496853] ? trace_hardirqs_on+0x6a/0x190 [ 88.496876] ? release_sock+0x15a/0x1c0 [ 88.496905] sock_alloc_send_skb+0x32/0x40 [ 88.496933] dccp_sendmsg+0x2a1/0xc30 [ 88.496960] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.496987] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 88.497016] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.497038] inet_sendmsg+0x10f/0x140 [ 88.497056] ? inet_send_prepare+0x4f0/0x4f0 [ 88.497077] sock_sendmsg+0x140/0x190 [ 88.497097] ____sys_sendmsg+0x372/0x8f0 [ 88.497119] ? kernel_sendmsg+0x50/0x50 [ 88.497139] ? __kasan_check_read+0x11/0x20 [ 88.497163] ? __lock_acquire+0x17a7/0x5480 [ 88.497194] ___sys_sendmsg+0x11d/0x190 [ 88.497217] ? sendmsg_copy_msghdr+0x170/0x170 [ 88.497241] ? lock_is_held_type+0xe5/0x110 [ 88.497264] ? lock_is_held_type+0xe5/0x110 [ 88.497287] ? find_held_lock+0x35/0x130 [ 88.497313] ? __might_fault+0xdf/0x190 [ 88.497340] ? lock_release+0x261/0x920 [ 88.635207] ? lock_downgrade+0x990/0x990 [ 88.639372] ? lock_is_held_type+0xe5/0x110 [ 88.644833] __sys_sendmmsg+0x1bf/0x4d0 [ 88.648811] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 88.653315] ? lock_release+0x261/0x920 [ 88.657394] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 88.663556] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 88.669386] ? copy_kernel_to_fpregs+0xa5/0xe0 [ 88.674075] ? lock_is_held_type+0x63/0x110 [ 88.678487] ? do_syscall_64+0x1c/0xb0 [ 88.682381] ? lockdep_hardirqs_on+0x7e/0x100 [ 88.686879] __x64_sys_sendmmsg+0x9d/0x100 [ 88.691130] ? syscall_enter_from_user_mode+0x21/0x70 [ 88.696332] do_syscall_64+0x40/0xb0 [ 88.700042] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.705245] RIP: 0033:0x45d939 [ 88.708446] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.727922] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 88.735829] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 88.743294] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 88.750842] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 88.758290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 88.765727] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 88.773221] CPU: 1 PID: 6017 Comm: syz-executor5 Not tainted 5.13.0-rc7-syzkaller #0 [ 88.781650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.791731] Call Trace: [ 88.794547] dump_stack+0x195/0x1f8 [ 88.798208] should_fail.cold+0x5/0xa [ 88.802033] __should_failslab+0xb7/0x100 [ 88.806298] should_failslab+0x9/0x20 [ 88.810634] kmem_cache_alloc_node_trace+0x6c/0x420 [ 88.815692] __kmalloc_node_track_caller+0x3d/0x70 [ 88.820666] __alloc_skb+0xe4/0x380 [ 88.824336] alloc_skb_with_frags+0x93/0x590 [ 88.832779] sock_alloc_send_pskb+0x840/0x9f0 [ 88.837312] ? find_held_lock+0x35/0x130 [ 88.841645] ? sk_reset_timer+0xd0/0xd0 [ 88.845763] ? _raw_spin_unlock_bh+0x2c/0x40 [ 88.850214] ? lockdep_hardirqs_on+0x7e/0x100 [ 88.855024] ? __local_bh_enable_ip+0x119/0x1f0 [ 88.858427] FAULT_INJECTION: forcing a failure. [ 88.858427] name failslab, interval 1, probability 0, space 0, times 0 [ 88.859983] ? trace_hardirqs_on+0x6a/0x190 [ 88.860020] ? release_sock+0x15a/0x1c0 [ 88.860053] sock_alloc_send_skb+0x32/0x40 [ 88.884601] dccp_sendmsg+0x2a1/0xc30 [ 88.888506] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.893439] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 88.899247] ? perf_trace_dccp_probe+0xf80/0xf80 [ 88.904200] inet_sendmsg+0x10f/0x140 [ 88.908194] ? inet_send_prepare+0x4f0/0x4f0 [ 88.914100] sock_sendmsg+0x140/0x190 [ 88.918118] ____sys_sendmsg+0x372/0x8f0 [ 88.922415] ? kernel_sendmsg+0x50/0x50 [ 88.926394] ? __kasan_check_read+0x11/0x20 [ 88.930722] ? __lock_acquire+0x17a7/0x5480 [ 88.935055] ___sys_sendmsg+0x11d/0x190 [ 88.939119] ? sendmsg_copy_msghdr+0x170/0x170 [ 88.943703] ? lock_is_held_type+0xe5/0x110 [ 88.948029] ? lock_is_held_type+0xe5/0x110 [ 88.952536] ? find_held_lock+0x35/0x130 [ 88.956696] ? __might_fault+0xdf/0x190 [ 88.960681] ? lock_release+0x261/0x920 [ 88.965037] ? lock_downgrade+0x990/0x990 [ 88.969715] ? lock_is_held_type+0xe5/0x110 [ 88.974328] __sys_sendmmsg+0x1bf/0x4d0 [ 88.978412] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 88.982737] ? lock_release+0x261/0x920 [ 88.987254] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 88.993060] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 88.999668] ? fput+0x47/0x50 [ 89.002876] ? ksys_write+0x1d5/0x290 [ 89.006690] ? lock_is_held_type+0x63/0x110 [ 89.011197] ? do_syscall_64+0x1c/0xb0 [ 89.015428] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.020011] __x64_sys_sendmmsg+0x9d/0x100 [ 89.024334] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.029702] do_syscall_64+0x40/0xb0 [ 89.033502] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 89.038789] RIP: 0033:0x45d939 [ 89.041996] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.063489] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 89.071695] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 89.079159] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 89.086466] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 89.093850] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 89.101228] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 89.109120] CPU: 0 PID: 6020 Comm: syz-executor4 Not tainted 5.13.0-rc7-syzkaller #0 [ 89.114960] FAULT_INJECTION: forcing a failure. [ 89.114960] name failslab, interval 1, probability 0, space 0, times 0 [ 89.117290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.117306] Call Trace: [ 89.117314] dump_stack+0x195/0x1f8 [ 89.117342] should_fail.cold+0x5/0xa [ 89.148980] __should_failslab+0xb7/0x100 [ 89.153142] should_failslab+0x9/0x20 [ 89.157025] kmem_cache_alloc_node_trace+0x6c/0x420 [ 89.162229] __kmalloc_node_track_caller+0x3d/0x70 [ 89.167278] __alloc_skb+0xe4/0x380 [ 89.170917] alloc_skb_with_frags+0x93/0x590 [ 89.175333] sock_alloc_send_pskb+0x840/0x9f0 [ 89.180043] ? find_held_lock+0x35/0x130 [ 89.184198] ? sk_reset_timer+0xd0/0xd0 [ 89.188176] ? _raw_spin_unlock_bh+0x2c/0x40 [ 89.192671] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.197256] ? __local_bh_enable_ip+0x119/0x1f0 [ 89.202029] ? trace_hardirqs_on+0x6a/0x190 [ 89.206472] ? release_sock+0x15a/0x1c0 [ 89.210988] sock_alloc_send_skb+0x32/0x40 [ 89.215442] dccp_sendmsg+0x2a1/0xc30 [ 89.219263] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.224029] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 89.229756] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.234650] inet_sendmsg+0x10f/0x140 [ 89.238464] ? inet_send_prepare+0x4f0/0x4f0 [ 89.243064] sock_sendmsg+0x140/0x190 [ 89.247293] ____sys_sendmsg+0x372/0x8f0 [ 89.252804] ? kernel_sendmsg+0x50/0x50 [ 89.257457] ? __kasan_check_read+0x11/0x20 [ 89.262098] ? __lock_acquire+0x17a7/0x5480 [ 89.266921] ___sys_sendmsg+0x11d/0x190 [ 89.271074] ? sendmsg_copy_msghdr+0x170/0x170 [ 89.275677] ? lock_is_held_type+0xe5/0x110 [ 89.280112] ? lock_is_held_type+0xe5/0x110 [ 89.284615] ? find_held_lock+0x35/0x130 [ 89.288678] ? __might_fault+0xdf/0x190 [ 89.292743] ? lock_release+0x261/0x920 [ 89.296721] ? lock_downgrade+0x990/0x990 [ 89.301059] ? lock_is_held_type+0xe5/0x110 [ 89.305387] __sys_sendmmsg+0x1bf/0x4d0 [ 89.309388] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 89.313933] ? lock_release+0x261/0x920 [ 89.318132] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 89.323823] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 89.329560] ? fput+0x47/0x50 [ 89.332674] ? ksys_write+0x1d5/0x290 [ 89.336827] ? lock_is_held_type+0x63/0x110 [ 89.341165] ? do_syscall_64+0x1c/0xb0 [ 89.345061] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.349757] __x64_sys_sendmmsg+0x9d/0x100 [ 89.354086] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.359718] do_syscall_64+0x40/0xb0 [ 89.363715] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 89.369187] RIP: 0033:0x45d939 [ 89.372656] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.392769] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 89.400653] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 89.408654] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 89.416044] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 89.423656] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 89.431103] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 89.438643] CPU: 1 PID: 6016 Comm: syz-executor Not tainted 5.13.0-rc7-syzkaller #0 [ 89.446775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.456615] Call Trace: [ 89.459400] dump_stack+0x195/0x1f8 [ 89.463606] should_fail.cold+0x5/0xa [ 89.467447] __should_failslab+0xb7/0x100 [ 89.471723] should_failslab+0x9/0x20 [ 89.475819] kmem_cache_alloc_node_trace+0x6c/0x420 [ 89.480879] __kmalloc_node_track_caller+0x3d/0x70 [ 89.485928] __alloc_skb+0xe4/0x380 [ 89.489591] alloc_skb_with_frags+0x93/0x590 [ 89.494385] sock_alloc_send_pskb+0x840/0x9f0 [ 89.499450] ? find_held_lock+0x35/0x130 [ 89.503811] ? sk_reset_timer+0xd0/0xd0 [ 89.507964] ? _raw_spin_unlock_bh+0x2c/0x40 [ 89.512400] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.516971] ? __local_bh_enable_ip+0x119/0x1f0 [ 89.521930] ? trace_hardirqs_on+0x6a/0x190 [ 89.526675] ? release_sock+0x15a/0x1c0 [ 89.530702] sock_alloc_send_skb+0x32/0x40 [ 89.535120] dccp_sendmsg+0x2a1/0xc30 [ 89.539042] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.543826] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 89.549787] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.554613] inet_sendmsg+0x10f/0x140 [ 89.558541] ? inet_send_prepare+0x4f0/0x4f0 [ 89.563419] sock_sendmsg+0x140/0x190 [ 89.567346] ____sys_sendmsg+0x372/0x8f0 [ 89.571613] ? kernel_sendmsg+0x50/0x50 [ 89.575917] ? __kasan_check_read+0x11/0x20 [ 89.580279] ? __lock_acquire+0x17a7/0x5480 [ 89.584873] ___sys_sendmsg+0x11d/0x190 [ 89.589341] ? sendmsg_copy_msghdr+0x170/0x170 [ 89.593960] ? lock_is_held_type+0xe5/0x110 [ 89.598445] ? lock_is_held_type+0xe5/0x110 [ 89.603329] ? find_held_lock+0x35/0x130 [ 89.607563] ? __might_fault+0xdf/0x190 [ 89.611743] ? lock_release+0x261/0x920 [ 89.616017] ? lock_downgrade+0x990/0x990 [ 89.620209] ? lock_is_held_type+0xe5/0x110 [ 89.624562] __sys_sendmmsg+0x1bf/0x4d0 [ 89.628664] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 89.633472] ? lock_release+0x261/0x920 [ 89.637579] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 89.643245] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 89.648983] ? fput+0x47/0x50 [ 89.652203] ? ksys_write+0x1d5/0x290 [ 89.656121] ? lock_is_held_type+0x63/0x110 [ 89.660827] ? do_syscall_64+0x1c/0xb0 [ 89.665041] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.669662] __x64_sys_sendmmsg+0x9d/0x100 [ 89.674105] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.679504] do_syscall_64+0x40/0xb0 [ 89.683339] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 89.688561] RIP: 0033:0x45d939 [ 89.691953] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 89.712018] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 89.719936] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 89.727231] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 89.734959] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 89.742518] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 89.749096] FAULT_INJECTION: forcing a failure. [ 89.749096] name failslab, interval 1, probability 0, space 0, times 0 [ 89.749949] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 89.769544] CPU: 0 PID: 6030 Comm: syz-executor3 Not tainted 5.13.0-rc7-syzkaller #0 [ 89.777804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.787566] Call Trace: [ 89.790157] dump_stack+0x195/0x1f8 [ 89.793967] should_fail.cold+0x5/0xa [ 89.797818] __should_failslab+0xb7/0x100 [ 89.802104] should_failslab+0x9/0x20 [ 89.806067] kmem_cache_alloc_node_trace+0x6c/0x420 [ 89.811431] __kmalloc_node_track_caller+0x3d/0x70 [ 89.816396] __alloc_skb+0xe4/0x380 [ 89.818102] FAULT_INJECTION: forcing a failure. [ 89.818102] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.820164] alloc_skb_with_frags+0x93/0x590 [ 89.836818] sock_alloc_send_pskb+0x840/0x9f0 [ 89.841420] ? find_held_lock+0x35/0x130 [ 89.845603] ? sk_reset_timer+0xd0/0xd0 [ 89.849841] ? _raw_spin_unlock_bh+0x2c/0x40 [ 89.854360] ? lockdep_hardirqs_on+0x7e/0x100 [ 89.858866] ? __local_bh_enable_ip+0x119/0x1f0 [ 89.863557] ? trace_hardirqs_on+0x6a/0x190 [ 89.867984] ? release_sock+0x15a/0x1c0 [ 89.872076] sock_alloc_send_skb+0x32/0x40 [ 89.877206] dccp_sendmsg+0x2a1/0xc30 [ 89.881373] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.886146] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 89.891872] ? perf_trace_dccp_probe+0xf80/0xf80 [ 89.896887] inet_sendmsg+0x10f/0x140 [ 89.900685] ? inet_send_prepare+0x4f0/0x4f0 [ 89.905091] sock_sendmsg+0x140/0x190 [ 89.909175] ____sys_sendmsg+0x372/0x8f0 [ 89.913232] ? kernel_sendmsg+0x50/0x50 [ 89.917571] ? __kasan_check_read+0x11/0x20 [ 89.922381] ? __lock_acquire+0x17a7/0x5480 [ 89.926805] ___sys_sendmsg+0x11d/0x190 [ 89.930868] ? sendmsg_copy_msghdr+0x170/0x170 [ 89.935895] ? lock_is_held_type+0xe5/0x110 [ 89.940492] ? lock_is_held_type+0xe5/0x110 [ 89.944874] ? find_held_lock+0x35/0x130 [ 89.948934] ? __might_fault+0xdf/0x190 [ 89.953018] ? lock_release+0x261/0x920 [ 89.957102] ? lock_downgrade+0x990/0x990 [ 89.961465] ? lock_is_held_type+0xe5/0x110 [ 89.966066] ? vcn_v2_5_stop+0x1e0/0x17b0 [ 89.970241] __sys_sendmmsg+0x1bf/0x4d0 [ 89.974233] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 89.978686] ? lock_release+0x261/0x920 [ 89.982932] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 89.988688] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 89.994242] ? fput+0x47/0x50 [ 89.998059] ? ksys_write+0x1d5/0x290 [ 90.002209] ? lock_is_held_type+0x63/0x110 [ 90.007228] ? do_syscall_64+0x1c/0xb0 [ 90.011565] ? lockdep_hardirqs_on+0x7e/0x100 [ 90.016150] __x64_sys_sendmmsg+0x9d/0x100 [ 90.020389] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.025611] do_syscall_64+0x40/0xb0 [ 90.029423] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 90.034934] RIP: 0033:0x45d939 [ 90.038124] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.057650] RSP: 002b:00007ff553695198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 90.065557] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 90.073183] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 90.080531] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 90.088068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5536956bc [ 90.095651] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 90.103229] CPU: 1 PID: 6031 Comm: syz-executor4 Not tainted 5.13.0-rc7-syzkaller #0 [ 90.108547] FAULT_INJECTION: forcing a failure. [ 90.108547] name failslab, interval 1, probability 0, space 0, times 0 [ 90.112142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.112157] Call Trace: [ 90.112165] dump_stack+0x195/0x1f8 [ 90.112193] should_fail.cold+0x5/0xa [ 90.144308] ? __kasan_check_read+0x11/0x20 [ 90.148759] should_fail_alloc_page+0x50/0x60 [ 90.153608] prepare_alloc_pages+0x18d/0x550 [ 90.158287] __alloc_pages+0x142/0x5a0 [ 90.162365] ? ___sys_sendmsg+0x11d/0x190 [ 90.166793] ? __sys_sendmmsg+0x1bf/0x4d0 [ 90.171310] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 90.177546] ? lock_is_held_type+0xe5/0x110 [ 90.182221] ? fs_reclaim_release+0xa9/0x100 [ 90.186629] ? lock_release+0x261/0x920 [ 90.190610] cache_grow_begin+0x81/0x3d0 [ 90.194670] cache_alloc_refill+0x289/0x340 [ 90.198998] ? lockdep_hardirqs_off+0x89/0xc0 [ 90.203501] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 90.209320] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 90.214782] __kmalloc_node_track_caller+0x3d/0x70 [ 90.219902] __alloc_skb+0xe4/0x380 [ 90.223792] alloc_skb_with_frags+0x93/0x590 [ 90.228669] sock_alloc_send_pskb+0x840/0x9f0 [ 90.233362] ? find_held_lock+0x35/0x130 [ 90.237778] ? sk_reset_timer+0xd0/0xd0 [ 90.241794] ? _raw_spin_unlock_bh+0x2c/0x40 [ 90.246304] ? lockdep_hardirqs_on+0x7e/0x100 [ 90.251146] ? __local_bh_enable_ip+0x119/0x1f0 [ 90.255825] ? trace_hardirqs_on+0x6a/0x190 [ 90.260343] ? release_sock+0x15a/0x1c0 [ 90.264326] sock_alloc_send_skb+0x32/0x40 [ 90.269309] dccp_sendmsg+0x2a1/0xc30 [ 90.273293] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.278143] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 90.284317] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.289277] inet_sendmsg+0x10f/0x140 [ 90.293430] ? inet_send_prepare+0x4f0/0x4f0 [ 90.298437] sock_sendmsg+0x140/0x190 [ 90.302867] ____sys_sendmsg+0x372/0x8f0 [ 90.307352] ? kernel_sendmsg+0x50/0x50 [ 90.311580] ? __kasan_check_read+0x11/0x20 [ 90.316263] ? __lock_acquire+0x17a7/0x5480 [ 90.320816] ___sys_sendmsg+0x11d/0x190 [ 90.325536] ? sendmsg_copy_msghdr+0x170/0x170 [ 90.330579] ? lock_is_held_type+0xe5/0x110 [ 90.335201] ? lock_is_held_type+0xe5/0x110 [ 90.339533] ? find_held_lock+0x35/0x130 [ 90.343930] ? __might_fault+0xdf/0x190 [ 90.348091] ? lock_release+0x261/0x920 [ 90.352160] ? lock_downgrade+0x990/0x990 [ 90.357389] ? lock_is_held_type+0xe5/0x110 [ 90.361946] __sys_sendmmsg+0x1bf/0x4d0 [ 90.366208] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 90.371183] ? lock_release+0x261/0x920 [ 90.375290] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 90.382177] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 90.388255] ? fput+0x47/0x50 [ 90.391460] ? ksys_write+0x1d5/0x290 [ 90.395849] ? lock_is_held_type+0x63/0x110 [ 90.400911] ? do_syscall_64+0x1c/0xb0 [ 90.404815] ? lockdep_hardirqs_on+0x7e/0x100 [ 90.409568] __x64_sys_sendmmsg+0x9d/0x100 [ 90.413846] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.419301] do_syscall_64+0x40/0xb0 [ 90.423041] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 90.428999] RIP: 0033:0x45d939 [ 90.432496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.452646] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 90.460390] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 90.467983] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 90.476180] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 90.483715] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 90.491643] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 90.499079] CPU: 0 PID: 6032 Comm: syz-executor1 Not tainted 5.13.0-rc7-syzkaller #0 [ 90.507073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.517240] Call Trace: [ 90.520131] dump_stack+0x195/0x1f8 [ 90.523835] should_fail.cold+0x5/0xa [ 90.527958] __should_failslab+0xb7/0x100 [ 90.532348] should_failslab+0x9/0x20 [ 90.536268] kmem_cache_alloc_node_trace+0x6c/0x420 [ 90.541458] __kmalloc_node_track_caller+0x3d/0x70 [ 90.546462] __alloc_skb+0xe4/0x380 [ 90.550136] alloc_skb_with_frags+0x93/0x590 [ 90.554581] sock_alloc_send_pskb+0x840/0x9f0 [ 90.559222] ? find_held_lock+0x35/0x130 [ 90.563682] ? sk_reset_timer+0xd0/0xd0 [ 90.568168] ? _raw_spin_unlock_bh+0x2c/0x40 [ 90.572796] ? lockdep_hardirqs_on+0x7e/0x100 [ 90.577639] ? __local_bh_enable_ip+0x119/0x1f0 [ 90.583120] ? trace_hardirqs_on+0x6a/0x190 [ 90.587640] ? release_sock+0x15a/0x1c0 [ 90.591778] sock_alloc_send_skb+0x32/0x40 [ 90.596056] dccp_sendmsg+0x2a1/0xc30 [ 90.600063] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.604856] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 90.610522] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.615310] inet_sendmsg+0x10f/0x140 [ 90.619141] ? inet_send_prepare+0x4f0/0x4f0 [ 90.623663] sock_sendmsg+0x140/0x190 [ 90.627708] ____sys_sendmsg+0x372/0x8f0 [ 90.631980] ? kernel_sendmsg+0x50/0x50 [ 90.636071] ? __kasan_check_read+0x11/0x20 [ 90.641180] ? __lock_acquire+0x17a7/0x5480 [ 90.645729] ___sys_sendmsg+0x11d/0x190 [ 90.650102] ? sendmsg_copy_msghdr+0x170/0x170 [ 90.654993] ? lock_is_held_type+0xe5/0x110 [ 90.659353] ? lock_is_held_type+0xe5/0x110 [ 90.663989] ? find_held_lock+0x35/0x130 [ 90.668437] ? __might_fault+0xdf/0x190 [ 90.672800] ? lock_release+0x261/0x920 [ 90.677108] ? lock_downgrade+0x990/0x990 [ 90.681329] ? lock_is_held_type+0xe5/0x110 [ 90.686048] __sys_sendmmsg+0x1bf/0x4d0 [ 90.690219] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 90.694668] ? lock_release+0x261/0x920 [ 90.698798] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 90.704809] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 90.711106] ? fput+0x47/0x50 [ 90.714425] ? ksys_write+0x1d5/0x290 [ 90.718466] ? lock_is_held_type+0x63/0x110 [ 90.723448] ? do_syscall_64+0x1c/0xb0 [ 90.727670] ? lockdep_hardirqs_on+0x7e/0x100 [ 90.732393] __x64_sys_sendmmsg+0x9d/0x100 [ 90.736868] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.742374] do_syscall_64+0x40/0xb0 [ 90.746660] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 90.752150] RIP: 0033:0x45d939 [ 90.755542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.775004] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 90.783006] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 90.790401] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 90.798350] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 90.804646] FAULT_INJECTION: forcing a failure. [ 90.804646] name failslab, interval 1, probability 0, space 0, times 0 [ 90.805895] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 90.805914] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 90.833325] CPU: 1 PID: 6046 Comm: syz-executor2 Not tainted 5.13.0-rc7-syzkaller #0 [ 90.841611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.851450] Call Trace: [ 90.854238] dump_stack+0x195/0x1f8 [ 90.857947] should_fail.cold+0x5/0xa [ 90.861818] __should_failslab+0xb7/0x100 [ 90.866178] should_failslab+0x9/0x20 [ 90.870013] kmem_cache_alloc_trace+0x5f/0x3e0 [ 90.874896] dccp_feat_entry_new+0x1b6/0x3b0 [ 90.879434] dccp_feat_signal_nn_change+0x48f/0x750 [ 90.881194] FAULT_INJECTION: forcing a failure. [ 90.881194] name failslab, interval 1, probability 0, space 0, times 0 [ 90.884744] ccid2_hc_tx_packet_recv+0x18e1/0x2630 [ 90.884796] ? ccid2_hc_tx_rto_expire+0x6f0/0x6f0 [ 90.884823] dccp_deliver_input_to_ccids+0x202/0x280 [ 90.911204] dccp_rcv_established+0x10e/0x160 [ 90.915974] dccp_v4_do_rcv+0x13c/0x190 [ 90.920430] __release_sock+0x130/0x3b0 [ 90.924519] release_sock+0x59/0x1c0 [ 90.928443] dccp_sendmsg+0x684/0xc30 [ 90.932354] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.937115] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 90.942687] ? perf_trace_dccp_probe+0xf80/0xf80 [ 90.947531] inet_sendmsg+0x10f/0x140 [ 90.951343] ? inet_send_prepare+0x4f0/0x4f0 [ 90.956308] sock_sendmsg+0x140/0x190 [ 90.960214] ____sys_sendmsg+0x372/0x8f0 [ 90.964283] ? kernel_sendmsg+0x50/0x50 [ 90.968288] ? __kasan_check_read+0x11/0x20 [ 90.972618] ? __lock_acquire+0x17a7/0x5480 [ 90.977140] ___sys_sendmsg+0x11d/0x190 [ 90.981147] ? sendmsg_copy_msghdr+0x170/0x170 [ 90.986159] ? lock_is_held_type+0xe5/0x110 [ 90.990791] ? lock_is_held_type+0xe5/0x110 [ 90.995564] ? find_held_lock+0x35/0x130 [ 91.000888] ? __might_fault+0xdf/0x190 [ 91.005113] ? lock_release+0x261/0x920 [ 91.009887] ? lock_downgrade+0x990/0x990 [ 91.014951] ? lock_is_held_type+0xe5/0x110 [ 91.019985] __sys_sendmmsg+0x1bf/0x4d0 [ 91.024350] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 91.028922] ? lock_release+0x261/0x920 [ 91.033193] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 91.039395] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 91.045212] ? fput+0x47/0x50 [ 91.049141] ? ksys_write+0x1d5/0x290 [ 91.053508] ? lock_is_held_type+0x63/0x110 [ 91.058447] ? do_syscall_64+0x1c/0xb0 [ 91.063154] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.068179] __x64_sys_sendmmsg+0x9d/0x100 [ 91.072464] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.077852] do_syscall_64+0x40/0xb0 [ 91.081577] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.087045] RIP: 0033:0x45d939 [ 91.090251] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 91.109729] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 91.117915] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 91.125683] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 91.133588] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 91.141044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 91.148918] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 91.156463] CPU: 0 PID: 6048 Comm: syz-executor5 Not tainted 5.13.0-rc7-syzkaller #0 [ 91.166045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.175425] Call Trace: [ 91.178363] dump_stack+0x195/0x1f8 [ 91.182371] should_fail.cold+0x5/0xa [ 91.186374] __should_failslab+0xb7/0x100 [ 91.191020] should_failslab+0x9/0x20 [ 91.194880] kmem_cache_alloc_node_trace+0x6c/0x420 [ 91.200083] __kmalloc_node_track_caller+0x3d/0x70 [ 91.205221] __alloc_skb+0xe4/0x380 [ 91.209060] alloc_skb_with_frags+0x93/0x590 [ 91.213605] sock_alloc_send_pskb+0x840/0x9f0 [ 91.218258] ? find_held_lock+0x35/0x130 [ 91.222589] ? sk_reset_timer+0xd0/0xd0 [ 91.226811] ? _raw_spin_unlock_bh+0x2c/0x40 [ 91.234299] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.239363] ? __local_bh_enable_ip+0x119/0x1f0 [ 91.245260] ? trace_hardirqs_on+0x6a/0x190 [ 91.250210] ? release_sock+0x15a/0x1c0 [ 91.254493] sock_alloc_send_skb+0x32/0x40 [ 91.259038] dccp_sendmsg+0x2a1/0xc30 [ 91.263045] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.268139] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 91.273819] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.278612] inet_sendmsg+0x10f/0x140 [ 91.282978] ? inet_send_prepare+0x4f0/0x4f0 [ 91.287858] sock_sendmsg+0x140/0x190 [ 91.291980] ____sys_sendmsg+0x372/0x8f0 [ 91.296377] ? kernel_sendmsg+0x50/0x50 [ 91.300940] ? __kasan_check_read+0x11/0x20 [ 91.305427] ? __lock_acquire+0x17a7/0x5480 [ 91.309897] ___sys_sendmsg+0x11d/0x190 [ 91.314380] ? sendmsg_copy_msghdr+0x170/0x170 [ 91.319308] ? lock_is_held_type+0xe5/0x110 [ 91.324238] ? lock_is_held_type+0xe5/0x110 [ 91.325156] FAULT_INJECTION: forcing a failure. [ 91.325156] name failslab, interval 1, probability 0, space 0, times 0 [ 91.328969] ? find_held_lock+0x35/0x130 [ 91.329007] ? __might_fault+0xdf/0x190 [ 91.329035] ? lock_release+0x261/0x920 [ 91.329063] ? lock_downgrade+0x990/0x990 [ 91.329093] ? lock_is_held_type+0xe5/0x110 [ 91.362720] __sys_sendmmsg+0x1bf/0x4d0 [ 91.367008] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 91.371439] ? lock_release+0x261/0x920 [ 91.375822] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 91.381673] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 91.387383] ? fput+0x47/0x50 [ 91.390496] ? ksys_write+0x1d5/0x290 [ 91.394394] ? lock_is_held_type+0x63/0x110 [ 91.399025] ? do_syscall_64+0x1c/0xb0 [ 91.403084] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.407718] __x64_sys_sendmmsg+0x9d/0x100 [ 91.412222] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.417810] do_syscall_64+0x40/0xb0 [ 91.421709] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.426931] RIP: 0033:0x45d939 [ 91.430141] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 91.450389] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 91.458780] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 91.466310] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 91.473781] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 91.481365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 91.488832] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 91.496484] CPU: 1 PID: 6050 Comm: syz-executor Not tainted 5.13.0-rc7-syzkaller #0 [ 91.504581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.514128] Call Trace: [ 91.516762] dump_stack+0x195/0x1f8 [ 91.520526] should_fail.cold+0x5/0xa [ 91.524534] __should_failslab+0xb7/0x100 [ 91.528719] should_failslab+0x9/0x20 [ 91.532551] kmem_cache_alloc_node_trace+0x6c/0x420 [ 91.537796] __kmalloc_node_track_caller+0x3d/0x70 [ 91.543500] __alloc_skb+0xe4/0x380 [ 91.547430] alloc_skb_with_frags+0x93/0x590 [ 91.552149] sock_alloc_send_pskb+0x840/0x9f0 [ 91.556680] ? find_held_lock+0x35/0x130 [ 91.561177] ? sk_reset_timer+0xd0/0xd0 [ 91.565483] ? _raw_spin_unlock_bh+0x2c/0x40 [ 91.570017] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.574545] ? __local_bh_enable_ip+0x119/0x1f0 [ 91.579250] ? trace_hardirqs_on+0x6a/0x190 [ 91.583607] ? release_sock+0x15a/0x1c0 [ 91.587627] sock_alloc_send_skb+0x32/0x40 [ 91.588321] FAULT_INJECTION: forcing a failure. [ 91.588321] name failslab, interval 1, probability 0, space 0, times 0 [ 91.592007] dccp_sendmsg+0x2a1/0xc30 [ 91.592041] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.592071] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 91.592110] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.623510] inet_sendmsg+0x10f/0x140 [ 91.627763] ? inet_send_prepare+0x4f0/0x4f0 [ 91.632351] sock_sendmsg+0x140/0x190 [ 91.636696] ____sys_sendmsg+0x372/0x8f0 [ 91.640951] ? kernel_sendmsg+0x50/0x50 [ 91.645187] ? __kasan_check_read+0x11/0x20 [ 91.650107] ? __lock_acquire+0x17a7/0x5480 [ 91.654799] ___sys_sendmsg+0x11d/0x190 [ 91.659047] ? sendmsg_copy_msghdr+0x170/0x170 [ 91.664082] ? lock_is_held_type+0xe5/0x110 [ 91.668502] ? lock_is_held_type+0xe5/0x110 [ 91.673008] ? find_held_lock+0x35/0x130 [ 91.677158] ? __might_fault+0xdf/0x190 [ 91.681485] ? lock_release+0x261/0x920 [ 91.685836] ? lock_downgrade+0x990/0x990 [ 91.690004] ? lock_is_held_type+0xe5/0x110 [ 91.694593] __sys_sendmmsg+0x1bf/0x4d0 [ 91.698920] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 91.703260] ? lock_release+0x261/0x920 [ 91.707254] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 91.712827] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 91.719430] ? fput+0x47/0x50 [ 91.722633] ? ksys_write+0x1d5/0x290 [ 91.726703] ? lock_is_held_type+0x63/0x110 [ 91.731043] ? do_syscall_64+0x1c/0xb0 [ 91.734946] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.739532] __x64_sys_sendmmsg+0x9d/0x100 [ 91.743953] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.749409] do_syscall_64+0x40/0xb0 [ 91.753133] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.758434] RIP: 0033:0x45d939 [ 91.761893] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 2021/06/23 19:51:58 executed programs: 23 [ 91.781236] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 91.789136] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 91.796542] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 91.804004] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 91.811354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 91.818722] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 91.826105] CPU: 0 PID: 6051 Comm: syz-executor4 Not tainted 5.13.0-rc7-syzkaller #0 [ 91.834105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.843860] Call Trace: [ 91.846559] dump_stack+0x195/0x1f8 [ 91.850558] should_fail.cold+0x5/0xa [ 91.854666] __should_failslab+0xb7/0x100 [ 91.859033] should_failslab+0x9/0x20 [ 91.863328] kmem_cache_alloc_node_trace+0x6c/0x420 [ 91.868559] __kmalloc_node_track_caller+0x3d/0x70 [ 91.873772] __alloc_skb+0xe4/0x380 [ 91.877439] alloc_skb_with_frags+0x93/0x590 [ 91.881975] sock_alloc_send_pskb+0x840/0x9f0 [ 91.886782] ? find_held_lock+0x35/0x130 [ 91.891156] ? sk_reset_timer+0xd0/0xd0 [ 91.895166] ? _raw_spin_unlock_bh+0x2c/0x40 [ 91.899608] ? lockdep_hardirqs_on+0x7e/0x100 [ 91.904141] ? __local_bh_enable_ip+0x119/0x1f0 [ 91.909233] ? trace_hardirqs_on+0x6a/0x190 [ 91.913632] ? release_sock+0x15a/0x1c0 [ 91.917668] sock_alloc_send_skb+0x32/0x40 [ 91.922309] dccp_sendmsg+0x2a1/0xc30 [ 91.926500] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.931375] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 91.937128] ? perf_trace_dccp_probe+0xf80/0xf80 [ 91.942090] inet_sendmsg+0x10f/0x140 [ 91.946012] ? inet_send_prepare+0x4f0/0x4f0 [ 91.950585] sock_sendmsg+0x140/0x190 [ 91.950931] FAULT_INJECTION: forcing a failure. [ 91.950931] name failslab, interval 1, probability 0, space 0, times 0 [ 91.954496] ____sys_sendmsg+0x372/0x8f0 [ 91.954524] ? kernel_sendmsg+0x50/0x50 [ 91.954547] ? finish_task_switch.isra.0+0x125/0x6c0 [ 91.954575] ? lock_release+0x261/0x920 [ 91.954610] ___sys_sendmsg+0x11d/0x190 [ 91.954634] ? sendmsg_copy_msghdr+0x170/0x170 [ 91.954655] ? _raw_spin_unlock_irq+0x23/0x70 [ 91.997514] ? trace_hardirqs_on+0x6a/0x190 [ 92.001963] ? _raw_spin_unlock_irq+0x23/0x70 [ 92.006571] ? finish_task_switch.isra.0+0x125/0x6c0 [ 92.012292] ? finish_task_switch.isra.0+0xef/0x6c0 [ 92.017338] ? __switch_to+0x437/0xf80 [ 92.021578] ? __switch_to_asm+0x42/0x70 [ 92.025825] ? __schedule+0xf52/0x2310 [ 92.029988] ? io_schedule_timeout+0x140/0x140 [ 92.034928] ? lock_is_held_type+0xe5/0x110 [ 92.039259] ? __kasan_check_read+0x11/0x20 [ 92.043784] __sys_sendmmsg+0x1bf/0x4d0 [ 92.047780] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 92.052456] ? lock_release+0x261/0x920 [ 92.056544] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 92.062224] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 92.068085] ? fput+0x47/0x50 [ 92.071408] ? ksys_write+0x1d5/0x290 [ 92.075311] ? lock_is_held_type+0x63/0x110 [ 92.079777] ? do_syscall_64+0x1c/0xb0 [ 92.083774] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.088361] __x64_sys_sendmmsg+0x9d/0x100 [ 92.092598] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.097793] do_syscall_64+0x40/0xb0 [ 92.102025] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 92.107322] RIP: 0033:0x45d939 [ 92.110614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.130502] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 92.138320] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 92.146200] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 92.153866] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 92.161230] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 92.168940] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 92.176309] CPU: 1 PID: 6059 Comm: syz-executor1 Not tainted 5.13.0-rc7-syzkaller #0 [ 92.184564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.194579] Call Trace: [ 92.197175] dump_stack+0x195/0x1f8 [ 92.200832] should_fail.cold+0x5/0xa [ 92.204663] __should_failslab+0xb7/0x100 [ 92.208887] should_failslab+0x9/0x20 [ 92.212934] kmem_cache_alloc_node_trace+0x6c/0x420 [ 92.218183] __kmalloc_node_track_caller+0x3d/0x70 [ 92.223245] __alloc_skb+0xe4/0x380 [ 92.224335] FAULT_INJECTION: forcing a failure. [ 92.224335] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.226968] alloc_skb_with_frags+0x93/0x590 [ 92.244991] sock_alloc_send_pskb+0x840/0x9f0 [ 92.250232] ? find_held_lock+0x35/0x130 [ 92.255105] ? sk_reset_timer+0xd0/0xd0 [ 92.259936] ? _raw_spin_unlock_bh+0x2c/0x40 [ 92.264847] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.270317] ? __local_bh_enable_ip+0x119/0x1f0 [ 92.275274] ? trace_hardirqs_on+0x6a/0x190 [ 92.280059] ? release_sock+0x15a/0x1c0 [ 92.284486] sock_alloc_send_skb+0x32/0x40 [ 92.289287] dccp_sendmsg+0x2a1/0xc30 [ 92.293188] ? perf_trace_dccp_probe+0xf80/0xf80 [ 92.298667] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 92.304297] ? perf_trace_dccp_probe+0xf80/0xf80 [ 92.309227] inet_sendmsg+0x10f/0x140 [ 92.313029] ? inet_send_prepare+0x4f0/0x4f0 [ 92.317437] sock_sendmsg+0x140/0x190 [ 92.321327] ____sys_sendmsg+0x372/0x8f0 [ 92.325585] ? kernel_sendmsg+0x50/0x50 [ 92.329660] ? __kasan_check_read+0x11/0x20 [ 92.334029] ? __lock_acquire+0x17a7/0x5480 [ 92.338824] ___sys_sendmsg+0x11d/0x190 [ 92.342823] ? sendmsg_copy_msghdr+0x170/0x170 [ 92.347434] ? lock_is_held_type+0xe5/0x110 [ 92.351947] ? lock_is_held_type+0xe5/0x110 [ 92.356546] ? find_held_lock+0x35/0x130 [ 92.360882] ? __might_fault+0xdf/0x190 [ 92.365144] ? lock_release+0x261/0x920 [ 92.369241] ? lock_downgrade+0x990/0x990 [ 92.373405] ? lock_is_held_type+0xe5/0x110 [ 92.377760] __sys_sendmmsg+0x1bf/0x4d0 [ 92.381842] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 92.386872] ? lock_release+0x261/0x920 [ 92.391161] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 92.397287] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 92.402961] ? fput+0x47/0x50 [ 92.406190] ? ksys_write+0x1d5/0x290 [ 92.410294] ? lock_is_held_type+0x63/0x110 [ 92.414987] ? do_syscall_64+0x1c/0xb0 [ 92.419501] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.424665] __x64_sys_sendmmsg+0x9d/0x100 [ 92.429085] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.434395] do_syscall_64+0x40/0xb0 [ 92.438475] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 92.444035] RIP: 0033:0x45d939 [ 92.447225] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.467462] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 92.476282] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 92.483763] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 92.491573] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 92.498927] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 92.506550] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 92.514004] CPU: 0 PID: 6058 Comm: syz-executor3 Not tainted 5.13.0-rc7-syzkaller #0 [ 92.522538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.532397] Call Trace: [ 92.535341] dump_stack+0x195/0x1f8 [ 92.539088] should_fail.cold+0x5/0xa [ 92.543001] ? __kasan_check_read+0x11/0x20 [ 92.547891] should_fail_alloc_page+0x50/0x60 [ 92.552594] prepare_alloc_pages+0x18d/0x550 [ 92.557397] __alloc_pages+0x142/0x5a0 [ 92.561323] ? ___sys_sendmsg+0x11d/0x190 [ 92.565601] ? __sys_sendmmsg+0x1bf/0x4d0 [ 92.570063] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 92.576675] ? lock_is_held_type+0xe5/0x110 [ 92.581211] ? fs_reclaim_release+0xa9/0x100 [ 92.585655] ? lock_release+0x261/0x920 [ 92.590520] cache_grow_begin+0x81/0x3d0 [ 92.594874] cache_alloc_refill+0x289/0x340 [ 92.599265] ? lockdep_hardirqs_off+0x89/0xc0 [ 92.603885] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 92.609588] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 92.614922] __kmalloc_node_track_caller+0x3d/0x70 [ 92.617112] FAULT_INJECTION: forcing a failure. [ 92.617112] name failslab, interval 1, probability 0, space 0, times 0 [ 92.619981] __alloc_skb+0xe4/0x380 [ 92.620012] alloc_skb_with_frags+0x93/0x590 [ 92.639630] sock_alloc_send_pskb+0x840/0x9f0 [ 92.644160] ? find_held_lock+0x35/0x130 [ 92.648492] ? sk_reset_timer+0xd0/0xd0 [ 92.652471] ? _raw_spin_unlock_bh+0x2c/0x40 [ 92.656882] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.661506] ? __local_bh_enable_ip+0x119/0x1f0 [ 92.666324] ? trace_hardirqs_on+0x6a/0x190 [ 92.670763] ? release_sock+0x15a/0x1c0 [ 92.674753] sock_alloc_send_skb+0x32/0x40 [ 92.679002] dccp_sendmsg+0x2a1/0xc30 [ 92.683071] ? perf_trace_dccp_probe+0xf80/0xf80 [ 92.688002] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 92.693695] ? perf_trace_dccp_probe+0xf80/0xf80 [ 92.698484] inet_sendmsg+0x10f/0x140 [ 92.702400] ? inet_send_prepare+0x4f0/0x4f0 [ 92.706811] sock_sendmsg+0x140/0x190 [ 92.710960] ____sys_sendmsg+0x372/0x8f0 [ 92.715082] ? kernel_sendmsg+0x50/0x50 [ 92.719171] ? __kasan_check_read+0x11/0x20 [ 92.723669] ? __lock_acquire+0x17a7/0x5480 [ 92.728088] ___sys_sendmsg+0x11d/0x190 [ 92.734416] ? sendmsg_copy_msghdr+0x170/0x170 [ 92.739002] ? lock_is_held_type+0xe5/0x110 [ 92.743622] ? lock_is_held_type+0xe5/0x110 [ 92.747954] ? find_held_lock+0x35/0x130 [ 92.752145] ? __might_fault+0xdf/0x190 [ 92.757152] ? lock_release+0x261/0x920 [ 92.761141] ? lock_downgrade+0x990/0x990 [ 92.765395] ? lock_is_held_type+0xe5/0x110 [ 92.769827] __sys_sendmmsg+0x1bf/0x4d0 [ 92.773917] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 92.778473] ? lock_release+0x261/0x920 [ 92.782673] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 92.788483] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 92.794027] ? fput+0x47/0x50 [ 92.797145] ? ksys_write+0x1d5/0x290 [ 92.801049] ? lock_is_held_type+0x63/0x110 [ 92.805551] ? do_syscall_64+0x1c/0xb0 [ 92.809437] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.814210] __x64_sys_sendmmsg+0x9d/0x100 [ 92.818845] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.824065] do_syscall_64+0x40/0xb0 [ 92.827873] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 92.833351] RIP: 0033:0x45d939 [ 92.836552] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.856323] RSP: 002b:00007ff553695198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 92.864142] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 92.871706] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 92.879438] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 92.886877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5536956bc [ 92.894254] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 92.901998] CPU: 1 PID: 6063 Comm: syz-executor5 Not tainted 5.13.0-rc7-syzkaller #0 [ 92.910080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.919583] Call Trace: [ 92.922181] dump_stack+0x195/0x1f8 [ 92.925936] should_fail.cold+0x5/0xa [ 92.929776] __should_failslab+0xb7/0x100 [ 92.933966] should_failslab+0x9/0x20 [ 92.937819] kmem_cache_alloc_node+0x66/0x400 [ 92.942553] __alloc_skb+0x220/0x380 [ 92.946385] alloc_skb_with_frags+0x93/0x590 [ 92.950933] sock_alloc_send_pskb+0x840/0x9f0 [ 92.955665] ? find_held_lock+0x35/0x130 [ 92.959778] ? sk_reset_timer+0xd0/0xd0 [ 92.963792] ? _raw_spin_unlock_bh+0x2c/0x40 [ 92.968671] ? lockdep_hardirqs_on+0x7e/0x100 [ 92.973551] ? __local_bh_enable_ip+0x119/0x1f0 [ 92.978262] ? trace_hardirqs_on+0x6a/0x190 [ 92.982890] ? release_sock+0x15a/0x1c0 [ 92.987104] sock_alloc_send_skb+0x32/0x40 [ 92.991382] dccp_sendmsg+0x2a1/0xc30 [ 92.995264] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.001058] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 93.007026] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.012092] inet_sendmsg+0x10f/0x140 [ 93.016269] ? inet_send_prepare+0x4f0/0x4f0 [ 93.020833] sock_sendmsg+0x140/0x190 [ 93.024673] ____sys_sendmsg+0x372/0x8f0 [ 93.028909] ? kernel_sendmsg+0x50/0x50 [ 93.033049] ? __kasan_check_read+0x11/0x20 [ 93.037490] ? __lock_acquire+0x17a7/0x5480 [ 93.039781] FAULT_INJECTION: forcing a failure. [ 93.039781] name failslab, interval 1, probability 0, space 0, times 0 [ 93.042112] ___sys_sendmsg+0x11d/0x190 [ 93.042145] ? sendmsg_copy_msghdr+0x170/0x170 [ 93.042175] ? lock_is_held_type+0xe5/0x110 [ 93.067963] ? lock_is_held_type+0xe5/0x110 [ 93.072429] ? find_held_lock+0x35/0x130 [ 93.076584] ? __might_fault+0xdf/0x190 [ 93.080697] ? lock_release+0x261/0x920 [ 93.084711] ? lock_downgrade+0x990/0x990 [ 93.088866] ? lock_is_held_type+0xe5/0x110 [ 93.093199] __sys_sendmmsg+0x1bf/0x4d0 [ 93.097668] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 93.102025] ? lock_release+0x261/0x920 [ 93.106043] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 93.112045] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 93.118209] ? fput+0x47/0x50 [ 93.121513] ? ksys_write+0x1d5/0x290 [ 93.125686] ? lock_is_held_type+0x63/0x110 [ 93.130260] ? do_syscall_64+0x1c/0xb0 [ 93.134334] ? lockdep_hardirqs_on+0x7e/0x100 [ 93.138917] __x64_sys_sendmmsg+0x9d/0x100 [ 93.143356] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.149411] do_syscall_64+0x40/0xb0 [ 93.153127] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.158431] RIP: 0033:0x45d939 [ 93.161722] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.181067] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 93.189135] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 93.196403] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 93.203678] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 93.211494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 93.219057] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 93.226822] CPU: 0 PID: 6074 Comm: syz-executor3 Not tainted 5.13.0-rc7-syzkaller #0 [ 93.235410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.244955] Call Trace: [ 93.247817] dump_stack+0x195/0x1f8 [ 93.252154] should_fail.cold+0x5/0xa [ 93.256437] __should_failslab+0xb7/0x100 [ 93.260808] should_failslab+0x9/0x20 [ 93.264752] kmem_cache_alloc_trace+0x5f/0x3e0 [ 93.270026] dccp_feat_entry_new+0x1b6/0x3b0 [ 93.274653] dccp_feat_parse_options+0x1179/0x22a0 [ 93.279887] ? rcu_read_lock_sched_held+0x41/0xb0 [ 93.284949] ? dccp_feat_server_ccid_dependencies+0x290/0x290 [ 93.291313] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 93.296980] ? dccp_ackvec_parsed_add+0x1c8/0x250 [ 93.302144] dccp_parse_options+0x9d4/0x11b0 [ 93.306775] ? ccid2_change_l_ack_ratio+0xf0/0xf0 [ 93.311657] dccp_rcv_established+0x48/0x160 [ 93.316130] dccp_v4_do_rcv+0x13c/0x190 [ 93.320367] __release_sock+0x130/0x3b0 [ 93.324841] release_sock+0x59/0x1c0 [ 93.328678] dccp_sendmsg+0x684/0xc30 [ 93.332516] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.337516] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 93.343120] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.353181] inet_sendmsg+0x10f/0x140 [ 93.357384] ? inet_send_prepare+0x4f0/0x4f0 [ 93.362007] sock_sendmsg+0x140/0x190 [ 93.366031] ____sys_sendmsg+0x372/0x8f0 [ 93.370130] ? kernel_sendmsg+0x50/0x50 [ 93.374575] ? __kasan_check_read+0x11/0x20 [ 93.379024] ? __lock_acquire+0x17a7/0x5480 [ 93.383431] ___sys_sendmsg+0x11d/0x190 [ 93.387534] ? sendmsg_copy_msghdr+0x170/0x170 [ 93.392411] ? _raw_spin_unlock_irq+0x23/0x70 [ 93.397115] ? trace_hardirqs_on+0x6a/0x190 [ 93.402186] ? lock_is_held_type+0xe5/0x110 [ 93.406898] ? lock_is_held_type+0xe5/0x110 [ 93.411427] ? find_held_lock+0x35/0x130 [ 93.415564] ? __might_fault+0xdf/0x190 [ 93.419756] ? lock_release+0x261/0x920 [ 93.423870] ? lock_downgrade+0x990/0x990 [ 93.428143] ? lock_is_held_type+0xe5/0x110 [ 93.432513] __sys_sendmmsg+0x1bf/0x4d0 [ 93.436612] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 93.441168] ? lock_release+0x261/0x920 [ 93.445283] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 93.447582] FAULT_INJECTION: forcing a failure. [ 93.447582] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.450854] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 93.468512] ? fput+0x47/0x50 [ 93.471912] ? ksys_write+0x1d5/0x290 [ 93.475987] ? lock_is_held_type+0x63/0x110 [ 93.480683] ? do_syscall_64+0x1c/0xb0 [ 93.484583] ? lockdep_hardirqs_on+0x7e/0x100 [ 93.489182] __x64_sys_sendmmsg+0x9d/0x100 [ 93.493890] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.499284] do_syscall_64+0x40/0xb0 [ 93.503014] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.508327] RIP: 0033:0x45d939 [ 93.511515] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.531268] RSP: 002b:00007ff553695198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 93.539658] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 93.547182] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 93.554576] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 93.562285] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5536956bc [ 93.569820] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 93.577402] CPU: 1 PID: 6078 Comm: syz-executor4 Not tainted 5.13.0-rc7-syzkaller #0 [ 93.579308] dccp_parse_options: DCCP(00000000c530a0cd): Option 32 (len=7) error=9 [ 93.585616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.585631] Call Trace: [ 93.585639] dump_stack+0x195/0x1f8 [ 93.585667] should_fail.cold+0x5/0xa [ 93.608076] ================================================================== [ 93.609204] ? __kasan_check_read+0x11/0x20 [ 93.613290] BUG: KASAN: use-after-free in ccid2_hc_tx_packet_recv+0x22d1/0x2630 [ 93.620915] should_fail_alloc_page+0x50/0x60 [ 93.625390] Read of size 1 at addr ffff88811c43d482 by task syz-executor3/6074 [ 93.633175] prepare_alloc_pages+0x18d/0x550 [ 93.637750] [ 93.651629] __alloc_pages+0x142/0x5a0 [ 93.656045] ? ___sys_sendmsg+0x11d/0x190 [ 93.660669] ? __sys_sendmmsg+0x1bf/0x4d0 [ 93.664840] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 93.671190] ? lock_is_held_type+0xe5/0x110 [ 93.675605] ? fs_reclaim_release+0xa9/0x100 [ 93.680112] ? lock_release+0x261/0x920 [ 93.684195] cache_grow_begin+0x81/0x3d0 [ 93.688505] cache_alloc_refill+0x289/0x340 [ 93.692914] ? lockdep_hardirqs_off+0x89/0xc0 [ 93.697671] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 93.703404] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 93.708693] __kmalloc_node_track_caller+0x3d/0x70 [ 93.713624] __alloc_skb+0xe4/0x380 [ 93.717540] alloc_skb_with_frags+0x93/0x590 [ 93.722058] sock_alloc_send_pskb+0x840/0x9f0 [ 93.726670] ? find_held_lock+0x35/0x130 [ 93.730762] ? sk_reset_timer+0xd0/0xd0 [ 93.734839] ? _raw_spin_unlock_bh+0x2c/0x40 [ 93.739248] ? lockdep_hardirqs_on+0x7e/0x100 [ 93.743845] ? __local_bh_enable_ip+0x119/0x1f0 [ 93.748827] ? trace_hardirqs_on+0x6a/0x190 [ 93.753253] ? release_sock+0x15a/0x1c0 [ 93.757532] sock_alloc_send_skb+0x32/0x40 [ 93.762043] dccp_sendmsg+0x2a1/0xc30 [ 93.765869] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.771105] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 93.776845] ? perf_trace_dccp_probe+0xf80/0xf80 [ 93.781606] inet_sendmsg+0x10f/0x140 [ 93.785692] ? inet_send_prepare+0x4f0/0x4f0 [ 93.790987] sock_sendmsg+0x140/0x190 [ 93.794971] ____sys_sendmsg+0x372/0x8f0 [ 93.799046] ? kernel_sendmsg+0x50/0x50 [ 93.803293] ? __kasan_check_read+0x11/0x20 [ 93.807645] ? __lock_acquire+0x17a7/0x5480 [ 93.812302] ___sys_sendmsg+0x11d/0x190 [ 93.816284] ? sendmsg_copy_msghdr+0x170/0x170 [ 93.820972] ? lock_is_held_type+0xe5/0x110 [ 93.825299] ? lock_is_held_type+0xe5/0x110 [ 93.829632] ? find_held_lock+0x35/0x130 [ 93.833692] ? __might_fault+0xdf/0x190 [ 93.837853] ? lock_release+0x261/0x920 [ 93.841831] ? lock_downgrade+0x990/0x990 [ 93.845997] ? lock_is_held_type+0xe5/0x110 [ 93.850789] __sys_sendmmsg+0x1bf/0x4d0 [ 93.855042] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 93.859622] ? lock_release+0x261/0x920 [ 93.863712] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 93.869259] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 93.874988] ? fput+0x47/0x50 [ 93.878219] ? ksys_write+0x1d5/0x290 [ 93.882027] ? lock_is_held_type+0x63/0x110 [ 93.886438] ? do_syscall_64+0x1c/0xb0 [ 93.890530] ? lockdep_hardirqs_on+0x7e/0x100 [ 93.895239] __x64_sys_sendmmsg+0x9d/0x100 [ 93.899795] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.905192] do_syscall_64+0x40/0xb0 [ 93.909377] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.914938] RIP: 0033:0x45d939 [ 93.918128] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.937648] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 93.945759] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 93.953298] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 93.960743] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 93.968690] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 93.976202] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 93.984188] CPU: 0 PID: 6074 Comm: syz-executor3 Not tainted 5.13.0-rc7-syzkaller #0 [ 93.992385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.002576] Call Trace: [ 94.005971] dump_stack+0x195/0x1f8 [ 94.009911] print_address_description.constprop.0+0x1d/0x110 [ 94.016176] ? ccid2_hc_tx_packet_recv+0x22d1/0x2630 [ 94.026005] kasan_report.cold+0x7b/0xd4 [ 94.030198] ? ccid2_hc_tx_packet_recv+0x22d1/0x2630 [ 94.035713] __asan_report_load1_noabort+0x14/0x20 [ 94.040805] ccid2_hc_tx_packet_recv+0x22d1/0x2630 [ 94.045902] ? kmem_cache_free+0xe/0x20 [ 94.050005] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 94.055872] ? dccp_ackvec_add_new.constprop.0+0x2e6/0x5b0 [ 94.061629] ? ccid2_hc_tx_rto_expire+0x6f0/0x6f0 [ 94.066896] dccp_deliver_input_to_ccids+0x202/0x280 [ 94.072727] dccp_rcv_established+0x10e/0x160 [ 94.077402] dccp_v4_do_rcv+0x13c/0x190 [ 94.082103] __release_sock+0x130/0x3b0 [ 94.086782] release_sock+0x59/0x1c0 [ 94.091424] dccp_sendmsg+0x684/0xc30 [ 94.095724] ? perf_trace_dccp_probe+0xf80/0xf80 [ 94.100709] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 94.106746] ? perf_trace_dccp_probe+0xf80/0xf80 [ 94.111592] inet_sendmsg+0x10f/0x140 [ 94.116006] ? inet_send_prepare+0x4f0/0x4f0 [ 94.120950] sock_sendmsg+0x140/0x190 [ 94.124814] ____sys_sendmsg+0x372/0x8f0 [ 94.129174] ? kernel_sendmsg+0x50/0x50 [ 94.133266] ? __kasan_check_read+0x11/0x20 [ 94.137755] ? __lock_acquire+0x17a7/0x5480 [ 94.142299] ___sys_sendmsg+0x11d/0x190 [ 94.147527] ? sendmsg_copy_msghdr+0x170/0x170 [ 94.153106] ? _raw_spin_unlock_irq+0x23/0x70 [ 94.157849] ? trace_hardirqs_on+0x6a/0x190 [ 94.162832] ? lock_is_held_type+0xe5/0x110 [ 94.167685] ? lock_is_held_type+0xe5/0x110 [ 94.172216] ? find_held_lock+0x35/0x130 [ 94.176412] ? __might_fault+0xdf/0x190 [ 94.180552] ? lock_release+0x261/0x920 [ 94.184835] ? lock_downgrade+0x990/0x990 [ 94.189037] ? lock_is_held_type+0xe5/0x110 [ 94.193491] __sys_sendmmsg+0x1bf/0x4d0 [ 94.193993] FAULT_INJECTION: forcing a failure. [ 94.193993] name failslab, interval 1, probability 0, space 0, times 0 [ 94.197604] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 94.197634] ? lock_release+0x261/0x920 [ 94.197680] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 94.197713] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 94.229460] ? fput+0x47/0x50 [ 94.232773] ? ksys_write+0x1d5/0x290 [ 94.236579] ? lock_is_held_type+0x63/0x110 [ 94.240914] ? do_syscall_64+0x1c/0xb0 [ 94.244980] ? lockdep_hardirqs_on+0x7e/0x100 [ 94.250388] __x64_sys_sendmmsg+0x9d/0x100 [ 94.255090] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.260637] do_syscall_64+0x40/0xb0 [ 94.265694] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.270903] RIP: 0033:0x45d939 [ 94.274102] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.293644] RSP: 002b:00007ff553695198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 94.301804] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 94.309607] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 94.317077] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 94.324443] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5536956bc [ 94.331903] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 94.339277] [ 94.339279] CPU: 1 PID: 6082 Comm: syz-executor1 Not tainted 5.13.0-rc7-syzkaller #0 [ 94.341009] Allocated by task 6074: [ 94.349059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.352678] kasan_save_stack+0x23/0x50 [ 94.362455] Call Trace: [ 94.366500] __kasan_kmalloc+0x81/0xa0 [ 94.369084] dump_stack+0x195/0x1f8 [ 94.373043] __kmalloc_node_track_caller+0x4e/0x70 [ 94.376659] should_fail.cold+0x5/0xa [ 94.381754] __alloc_skb+0xe4/0x380 [ 94.385542] __should_failslab+0xb7/0x100 [ 94.389338] dccp_send_ack.part.0+0x7b/0x2f0 [ 94.393562] should_failslab+0x9/0x20 [ 94.398145] dccp_send_ack+0x5b/0x70 [ 94.402018] kmem_cache_alloc_node_trace+0x6c/0x420 [ 94.405723] ccid2_hc_rx_packet_recv+0x139/0x1b0 [ 94.410931] __kmalloc_node_track_caller+0x3d/0x70 [ 94.415751] dccp_deliver_input_to_ccids+0xee/0x280 [ 94.420752] __alloc_skb+0xe4/0x380 [ 94.426401] dccp_rcv_established+0x10e/0x160 [ 94.430390] alloc_skb_with_frags+0x93/0x590 [ 94.435035] dccp_v4_do_rcv+0x13c/0x190 [ 94.439444] sock_alloc_send_pskb+0x840/0x9f0 [ 94.443922] __sk_receive_skb+0x2a9/0x850 [ 94.448405] ? find_held_lock+0x35/0x130 [ 94.452793] dccp_v4_rcv+0xf67/0x1ac0 [ 94.456932] ? sk_reset_timer+0xd0/0xd0 [ 94.460924] ip_protocol_deliver_rcu+0x7ce/0xa40 [ 94.465340] ? _raw_spin_unlock_bh+0x2c/0x40 [ 94.470266] ip_local_deliver_finish+0x229/0x3a0 [ 94.475154] ? lockdep_hardirqs_on+0x7e/0x100 [ 94.480597] ip_local_deliver+0x1ba/0x210 [ 94.485260] ? __local_bh_enable_ip+0x119/0x1f0 [ 94.489662] ip_rcv+0x2d0/0x5d0 [ 94.494416] ? trace_hardirqs_on+0x6a/0x190 [ 94.497764] __netif_receive_skb_one_core+0x1af/0x220 [ 94.502175] ? release_sock+0x15a/0x1c0 [ 94.507874] __netif_receive_skb+0x2c/0x1d0 [ 94.512023] sock_alloc_send_skb+0x32/0x40 [ 94.516505] process_backlog+0x3ce/0xa40 [ 94.520831] dccp_sendmsg+0x2a1/0xc30 [ 94.524871] __napi_poll+0xcb/0x6a0 [ 94.528932] ? perf_trace_dccp_probe+0xf80/0xf80 [ 94.532558] net_rx_action+0xa42/0xf30 [ 94.537405] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 94.541271] __do_softirq+0x1e4/0x942 [ 94.546991] ? perf_trace_dccp_probe+0xf80/0xf80 [ 94.550861] [ 94.556041] inet_sendmsg+0x10f/0x140 [ 94.558228] Freed by task 6074: [ 94.562359] ? inet_send_prepare+0x4f0/0x4f0 [ 94.565918] kasan_save_stack+0x23/0x50 [ 94.571013] sock_sendmsg+0x140/0x190 [ 94.575329] kasan_set_track+0x20/0x30 [ 94.579452] ____sys_sendmsg+0x372/0x8f0 [ 94.583780] kasan_set_free_info+0x24/0x40 [ 94.588035] ? kernel_sendmsg+0x50/0x50 [ 94.592376] __kasan_slab_free+0xca/0x110 [ 94.596533] ? __kasan_check_read+0x11/0x20 [ 94.600834] kfree+0x108/0x270 [ 94.605469] ? __lock_acquire+0x17a7/0x5480 [ 94.608670] skb_release_data+0x593/0x690 [ 94.613177] ___sys_sendmsg+0x11d/0x190 [ 94.617528] kfree_skb+0x11e/0x370 [ 94.621705] ? sendmsg_copy_msghdr+0x170/0x170 [ 94.625238] dccp_v4_do_rcv+0x163/0x190 [ 94.629949] ? lock_is_held_type+0xe5/0x110 [ 94.633914] __release_sock+0x130/0x3b0 [ 94.639089] ? lock_is_held_type+0xe5/0x110 [ 94.643316] release_sock+0x59/0x1c0 [ 94.648230] ? find_held_lock+0x35/0x130 [ 94.652193] dccp_sendmsg+0x684/0xc30 [ 94.656348] ? __might_fault+0xdf/0x190 [ 94.660218] inet_sendmsg+0x10f/0x140 [ 94.664363] ? lock_release+0x261/0x920 [ 94.668240] sock_sendmsg+0x140/0x190 [ 94.672469] ? lock_downgrade+0x990/0x990 [ 94.676423] ____sys_sendmsg+0x372/0x8f0 [ 94.680996] ? lock_is_held_type+0xe5/0x110 [ 94.685042] ___sys_sendmsg+0x11d/0x190 [ 94.689369] __sys_sendmmsg+0x1bf/0x4d0 [ 94.693425] __sys_sendmmsg+0x1bf/0x4d0 [ 94.697477] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 94.701610] __x64_sys_sendmmsg+0x9d/0x100 [ 94.705940] ? lock_release+0x261/0x920 [ 94.710160] do_syscall_64+0x40/0xb0 [ 94.714667] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 94.718441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.724226] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 94.729574] [ 94.735197] ? fput+0x47/0x50 [ 94.737248] Last potentially related work creation: [ 94.740514] ? ksys_write+0x1d5/0x290 [ 94.746227] kasan_save_stack+0x23/0x50 [ 94.750400] ? lock_is_held_type+0x63/0x110 [ 94.754486] kasan_record_aux_stack+0x76/0x80 [ 94.758967] ? do_syscall_64+0x1c/0xb0 [ 94.763644] call_rcu+0x121/0x8a0 [ 94.767603] ? lockdep_hardirqs_on+0x7e/0x100 [ 94.771218] netlink_release+0xda0/0x1ca0 [ 94.775725] __x64_sys_sendmmsg+0x9d/0x100 [ 94.779941] __sock_release+0xd3/0x290 [ 94.784679] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.788568] sock_close+0x1e/0x30 [ 94.794275] do_syscall_64+0x40/0xb0 [ 94.797719] __fput+0x291/0x960 [ 94.801429] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.804786] ____fput+0x16/0x20 [ 94.810140] RIP: 0033:0x45d939 [ 94.813586] task_work_run+0xec/0x1b0 [ 94.816939] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.820819] do_exit+0xcbc/0x2ad0 [ 94.839819] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 94.843415] do_group_exit+0x135/0x330 [ 94.851381] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 94.855251] __x64_sys_exit_group+0x44/0x50 [ 94.862648] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 94.866998] do_syscall_64+0x40/0xb0 [ 94.874738] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 94.878529] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.886219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 94.891488] [ 94.891494] The buggy address belongs to the object at ffff88811c43d000 [ 94.891494] which belongs to the cache kmalloc-2k of size 2048 [ 94.898976] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 94.900777] The buggy address is located 1154 bytes inside of [ 94.900777] 2048-byte region [ffff88811c43d000, ffff88811c43d800) [ 94.931442] FAULT_INJECTION: forcing a failure. [ 94.931442] name failslab, interval 1, probability 0, space 0, times 0 [ 94.933778] The buggy address belongs to the page: [ 94.933789] page:000000008093b73b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c43d [ 94.933814] flags: 0x2fffc0000000200(slab|node=0|zone=2|lastcpupid=0x3fff) [ 94.933844] raw: 02fffc0000000200 ffffea000471fec8 ffffea0004728848 ffff888100040800 [ 94.933864] raw: 0000000000000000 ffff88811c43d000 0000000100000001 0000000000000000 [ 94.933876] page dumped because: kasan: bad access detected [ 94.933885] [ 94.933889] Memory state around the buggy address: [ 94.933899] ffff88811c43d380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.933914] ffff88811c43d400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.945651] CPU: 1 PID: 6083 Comm: syz-executor Not tainted 5.13.0-rc7-syzkaller #0 [ 94.950800] >ffff88811c43d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.950819] ^ [ 94.950831] ffff88811c43d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.961136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.969234] ffff88811c43d580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.977939] Call Trace: [ 94.986077] ================================================================== [ 94.991880] dump_stack+0x195/0x1f8 [ 94.993745] Disabling lock debugging due to kernel taint [ 94.999349] should_fail.cold+0x5/0xa [ 95.055310] FAULT_INJECTION: forcing a failure. [ 95.055310] name failslab, interval 1, probability 0, space 0, times 0 [ 95.060043] __should_failslab+0xb7/0x100 [ 95.060075] should_failslab+0x9/0x20 [ 95.105531] kmem_cache_alloc+0x5b/0x3d0 [ 95.109768] ? dccp_feat_clone_list+0x600/0x600 [ 95.114622] dccp_ackvec_update_records+0x30/0x4e0 [ 95.119834] dccp_insert_options+0xb6d/0xe80 [ 95.124243] ? dccp_insert_fn_opt+0x310/0x310 [ 95.128833] ? skb_unlink+0xef/0x160 [ 95.132648] ? lockdep_hardirqs_on+0x7e/0x100 [ 95.137518] ? _raw_spin_unlock_irqrestore+0x38/0x76 [ 95.143066] dccp_transmit_skb+0x1cd/0x1310 [ 95.147683] dccp_xmit_packet+0x272/0x6b0 [ 95.152090] dccp_write_xmit+0x180/0x1e0 [ 95.156149] dccp_sendmsg+0x935/0xc30 [ 95.160050] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.165583] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 95.171919] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.177238] inet_sendmsg+0x10f/0x140 [ 95.181072] ? inet_send_prepare+0x4f0/0x4f0 [ 95.185476] sock_sendmsg+0x140/0x190 [ 95.189301] ____sys_sendmsg+0x372/0x8f0 [ 95.193901] ? kernel_sendmsg+0x50/0x50 [ 95.198000] ? __kasan_check_read+0x11/0x20 [ 95.202337] ? __lock_acquire+0x17a7/0x5480 [ 95.206764] ___sys_sendmsg+0x11d/0x190 [ 95.211358] ? sendmsg_copy_msghdr+0x170/0x170 [ 95.215937] ? lock_is_held_type+0xe5/0x110 [ 95.220291] ? lock_is_held_type+0xe5/0x110 [ 95.224784] ? find_held_lock+0x35/0x130 [ 95.228976] ? __might_fault+0xdf/0x190 [ 95.233150] ? lock_release+0x261/0x920 [ 95.237224] ? lock_downgrade+0x990/0x990 [ 95.241742] ? lock_is_held_type+0xe5/0x110 [ 95.246657] __sys_sendmmsg+0x1bf/0x4d0 [ 95.251360] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 95.255745] ? lock_release+0x261/0x920 [ 95.259742] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 95.265581] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 95.271409] ? fput+0x47/0x50 [ 95.274903] ? ksys_write+0x1d5/0x290 [ 95.278704] ? lock_is_held_type+0x63/0x110 [ 95.283449] ? do_syscall_64+0x1c/0xb0 [ 95.287529] ? lockdep_hardirqs_on+0x7e/0x100 [ 95.292860] __x64_sys_sendmmsg+0x9d/0x100 [ 95.297465] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.303042] do_syscall_64+0x40/0xb0 [ 95.306858] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.312348] RIP: 0033:0x45d939 [ 95.315635] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 95.336899] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 95.345256] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 95.352629] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 95.360684] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 95.368595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 95.376454] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 95.383837] CPU: 0 PID: 6092 Comm: syz-executor4 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 95.393986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.403833] Call Trace: [ 95.406592] dump_stack+0x195/0x1f8 [ 95.410254] should_fail.cold+0x5/0xa [ 95.414335] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 95.420078] __should_failslab+0xb7/0x100 [ 95.424342] should_failslab+0x9/0x20 [ 95.428344] kmem_cache_alloc_node_trace+0x6c/0x420 [ 95.433475] __kmalloc_node_track_caller+0x3d/0x70 [ 95.438514] __alloc_skb+0xe4/0x380 [ 95.442463] alloc_skb_with_frags+0x93/0x590 [ 95.446985] ? ip_local_out+0xe1/0x500 [ 95.450906] sock_alloc_send_pskb+0x840/0x9f0 [ 95.455814] ? __kasan_check_read+0x11/0x20 [ 95.460339] ? __kasan_check_read+0x11/0x20 [ 95.464786] ? sk_reset_timer+0xd0/0xd0 [ 95.468887] ? lock_downgrade+0x990/0x990 [ 95.473323] ? lock_downgrade+0x990/0x990 [ 95.477705] ? __local_bh_enable_ip+0x119/0x1f0 [ 95.482776] ? trace_hardirqs_on+0x6a/0x190 [ 95.487494] ? release_sock+0x15a/0x1c0 [ 95.491585] sock_alloc_send_skb+0x32/0x40 [ 95.495947] dccp_sendmsg+0x2a1/0xc30 [ 95.499950] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.504896] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 95.510550] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.515549] inet_sendmsg+0x10f/0x140 [ 95.519561] ? inet_send_prepare+0x4f0/0x4f0 [ 95.524269] sock_sendmsg+0x140/0x190 [ 95.528095] ____sys_sendmsg+0x372/0x8f0 [ 95.532189] ? kernel_sendmsg+0x50/0x50 [ 95.536187] ? lock_page_memcg+0x483/0x650 [ 95.540453] ? filemap_map_pages+0x15c1/0x19d0 [ 95.545175] ? filemap_map_pages+0x54e/0x19d0 [ 95.547803] FAULT_INJECTION: forcing a failure. [ 95.547803] name failslab, interval 1, probability 0, space 0, times 0 [ 95.549686] ? __kasan_check_read+0x11/0x20 [ 95.549718] ? lock_release+0x57c/0x920 [ 95.549745] ___sys_sendmsg+0x11d/0x190 [ 95.573887] ? sendmsg_copy_msghdr+0x170/0x170 [ 95.578732] ? lock_release+0x920/0x920 [ 95.582792] ? lock_release+0x920/0x920 [ 95.586789] ? lock_downgrade+0x990/0x990 [ 95.591113] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 95.596867] ? _parse_integer+0x139/0x190 [ 95.601120] ? filemap_map_pages+0x577/0x19d0 [ 95.605885] ? __might_fault+0xdf/0x190 [ 95.610080] ? __kasan_check_read+0x11/0x20 [ 95.615124] ? lock_release+0x57c/0x920 [ 95.619221] ? lock_release+0x920/0x920 [ 95.623455] ? lock_downgrade+0x990/0x990 [ 95.627691] __sys_sendmmsg+0x1bf/0x4d0 [ 95.631674] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 95.636078] ? lock_release+0x57c/0x920 [ 95.640141] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 95.645677] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 95.651223] ? fput+0x47/0x50 [ 95.654393] ? ksys_write+0x1d5/0x290 [ 95.658204] ? __ia32_sys_read+0xb0/0xb0 [ 95.662418] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 95.667522] ? syscall_enter_from_user_mode+0x1c/0x70 [ 95.672717] __x64_sys_sendmmsg+0x9d/0x100 [ 95.677127] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.682789] do_syscall_64+0x40/0xb0 [ 95.686850] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.692332] RIP: 0033:0x45d939 [ 95.695789] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 95.715533] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 95.723458] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 95.731541] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 95.738959] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 95.746310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 95.753955] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 95.761512] CPU: 1 PID: 6102 Comm: syz-executor Tainted: G B 5.13.0-rc7-syzkaller #0 [ 95.771094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.780641] Call Trace: [ 95.783229] dump_stack+0x195/0x1f8 [ 95.786875] should_fail.cold+0x5/0xa [ 95.790945] ? __kasan_check_read+0x11/0x20 [ 95.795528] __should_failslab+0xb7/0x100 [ 95.799883] should_failslab+0x9/0x20 [ 95.803717] kmem_cache_alloc_node_trace+0x6c/0x420 [ 95.809029] __kmalloc_node_track_caller+0x3d/0x70 [ 95.814470] __alloc_skb+0xe4/0x380 [ 95.818138] alloc_skb_with_frags+0x93/0x590 [ 95.822570] ? trace_hardirqs_on+0x6a/0x190 [ 95.827096] sock_alloc_send_pskb+0x840/0x9f0 [ 95.831801] ? __kasan_check_read+0x11/0x20 [ 95.836440] ? __kasan_check_read+0x11/0x20 [ 95.840890] ? sk_reset_timer+0xd0/0xd0 [ 95.845197] ? lock_downgrade+0x990/0x990 [ 95.849546] ? lock_downgrade+0x990/0x990 [ 95.853721] ? __local_bh_enable_ip+0x119/0x1f0 [ 95.856315] FAULT_INJECTION: forcing a failure. [ 95.856315] name failslab, interval 1, probability 0, space 0, times 0 [ 95.858704] ? trace_hardirqs_on+0x6a/0x190 [ 95.858738] ? release_sock+0x15a/0x1c0 [ 95.878984] sock_alloc_send_skb+0x32/0x40 [ 95.883279] dccp_sendmsg+0x2a1/0xc30 [ 95.887109] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.891860] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 95.897594] ? perf_trace_dccp_probe+0xf80/0xf80 [ 95.902644] inet_sendmsg+0x10f/0x140 [ 95.906527] ? inet_send_prepare+0x4f0/0x4f0 [ 95.911120] sock_sendmsg+0x140/0x190 [ 95.915034] ____sys_sendmsg+0x372/0x8f0 [ 95.919555] ? kernel_sendmsg+0x50/0x50 [ 95.923541] ? lock_page_memcg+0x483/0x650 [ 95.927875] ? filemap_map_pages+0x15c1/0x19d0 [ 95.932460] ? filemap_map_pages+0x54e/0x19d0 [ 95.937399] ? __kasan_check_read+0x11/0x20 [ 95.941835] ? lock_release+0x57c/0x920 [ 95.945816] ___sys_sendmsg+0x11d/0x190 [ 95.950848] ? sendmsg_copy_msghdr+0x170/0x170 [ 95.955607] ? lock_release+0x920/0x920 [ 95.959766] ? lock_release+0x920/0x920 [ 95.964008] ? lock_downgrade+0x990/0x990 [ 95.968848] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 95.974485] ? _parse_integer+0x139/0x190 [ 95.978851] ? filemap_map_pages+0x577/0x19d0 [ 95.983564] ? __might_fault+0xdf/0x190 [ 95.987542] ? __kasan_check_read+0x11/0x20 [ 95.991953] ? lock_release+0x57c/0x920 [ 95.996441] ? lock_release+0x920/0x920 [ 96.001562] ? lock_downgrade+0x990/0x990 [ 96.005996] __sys_sendmmsg+0x1bf/0x4d0 [ 96.010441] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 96.015050] ? lock_release+0x57c/0x920 [ 96.019217] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 96.025214] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 96.030864] ? fput+0x47/0x50 [ 96.033994] ? ksys_write+0x1d5/0x290 [ 96.037964] ? __ia32_sys_read+0xb0/0xb0 [ 96.042140] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 96.047534] ? syscall_enter_from_user_mode+0x1c/0x70 [ 96.053630] __x64_sys_sendmmsg+0x9d/0x100 [ 96.057982] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.063493] do_syscall_64+0x40/0xb0 [ 96.067729] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.073001] RIP: 0033:0x45d939 [ 96.076295] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.095458] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 96.103340] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 96.110898] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 96.119179] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 96.126816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 96.134882] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 96.142386] CPU: 0 PID: 6103 Comm: syz-executor5 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 96.152293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.162796] Call Trace: [ 96.165776] dump_stack+0x195/0x1f8 [ 96.170075] should_fail.cold+0x5/0xa [ 96.173986] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 96.179580] __should_failslab+0xb7/0x100 [ 96.184015] should_failslab+0x9/0x20 [ 96.187936] kmem_cache_alloc_node_trace+0x6c/0x420 [ 96.193042] __kmalloc_node_track_caller+0x3d/0x70 [ 96.196731] FAULT_INJECTION: forcing a failure. [ 96.196731] name failslab, interval 1, probability 0, space 0, times 0 [ 96.198258] __alloc_skb+0xe4/0x380 [ 96.198286] alloc_skb_with_frags+0x93/0x590 [ 96.198311] ? ip_local_out+0xe1/0x500 [ 96.221829] sock_alloc_send_pskb+0x840/0x9f0 [ 96.226434] ? __kasan_check_read+0x11/0x20 [ 96.230929] ? __kasan_check_read+0x11/0x20 [ 96.235628] ? sk_reset_timer+0xd0/0xd0 [ 96.239712] ? lock_downgrade+0x990/0x990 [ 96.244381] ? lock_downgrade+0x990/0x990 [ 96.249593] ? __local_bh_enable_ip+0x119/0x1f0 [ 96.254696] ? trace_hardirqs_on+0x6a/0x190 [ 96.259658] ? release_sock+0x15a/0x1c0 [ 96.263826] sock_alloc_send_skb+0x32/0x40 [ 96.268208] dccp_sendmsg+0x2a1/0xc30 [ 96.272182] ? perf_trace_dccp_probe+0xf80/0xf80 [ 96.276936] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 96.282592] ? perf_trace_dccp_probe+0xf80/0xf80 [ 96.287520] inet_sendmsg+0x10f/0x140 [ 96.291325] ? inet_send_prepare+0x4f0/0x4f0 [ 96.295969] sock_sendmsg+0x140/0x190 [ 96.299812] ____sys_sendmsg+0x372/0x8f0 [ 96.304009] ? kernel_sendmsg+0x50/0x50 [ 96.308150] ? lock_page_memcg+0x483/0x650 [ 96.312476] ? finish_task_switch.isra.0+0x125/0x6c0 [ 96.317605] ? __kasan_check_read+0x11/0x20 [ 96.322272] ? lock_release+0x57c/0x920 [ 96.326434] ___sys_sendmsg+0x11d/0x190 [ 96.330492] ? sendmsg_copy_msghdr+0x170/0x170 [ 96.335170] ? _raw_spin_unlock_irq+0x23/0x70 [ 96.340564] ? trace_hardirqs_on+0x6a/0x190 [ 96.345063] ? _raw_spin_unlock_irq+0x23/0x70 [ 96.349746] ? finish_task_switch.isra.0+0x125/0x6c0 [ 96.355149] ? finish_task_switch.isra.0+0xef/0x6c0 [ 96.360268] ? __might_fault+0xdf/0x190 [ 96.364242] ? __kasan_check_read+0x11/0x20 [ 96.368825] ? lock_release+0x57c/0x920 [ 96.372800] ? lock_release+0x920/0x920 [ 96.376958] ? lock_downgrade+0x990/0x990 [ 96.381112] ? io_schedule_timeout+0x140/0x140 [ 96.385931] __sys_sendmmsg+0x1bf/0x4d0 [ 96.390089] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 96.394408] ? lock_release+0x57c/0x920 [ 96.398497] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 96.404229] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 96.409951] ? fput+0x47/0x50 [ 96.413148] ? ksys_write+0x1d5/0x290 [ 96.416973] ? __ia32_sys_read+0xb0/0xb0 [ 96.421212] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 96.426274] ? syscall_enter_from_user_mode+0x1c/0x70 [ 96.431727] __x64_sys_sendmmsg+0x9d/0x100 [ 96.436227] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.441865] do_syscall_64+0x40/0xb0 [ 96.445772] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.450973] RIP: 0033:0x45d939 [ 96.454335] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.474475] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 96.482724] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 96.490351] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 96.497884] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 96.505250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 96.512619] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 96.520406] CPU: 1 PID: 6113 Comm: syz-executor4 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 96.530421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.540224] Call Trace: [ 96.542892] dump_stack+0x195/0x1f8 [ 96.546662] should_fail.cold+0x5/0xa [ 96.550852] ? __kasan_check_read+0x11/0x20 [ 96.555290] __should_failslab+0xb7/0x100 [ 96.559527] should_failslab+0x9/0x20 [ 96.563553] kmem_cache_alloc_node_trace+0x6c/0x420 [ 96.566770] FAULT_INJECTION: forcing a failure. [ 96.566770] name failslab, interval 1, probability 0, space 0, times 0 [ 96.568853] __kmalloc_node_track_caller+0x3d/0x70 [ 96.585381] __alloc_skb+0xe4/0x380 [ 96.589188] alloc_skb_with_frags+0x93/0x590 [ 96.593873] ? trace_hardirqs_on+0x6a/0x190 [ 96.598568] sock_alloc_send_pskb+0x840/0x9f0 [ 96.603149] ? __kasan_check_read+0x11/0x20 [ 96.607857] ? __kasan_check_read+0x11/0x20 [ 96.612325] ? sk_reset_timer+0xd0/0xd0 [ 96.616502] ? lock_downgrade+0x990/0x990 [ 96.620654] ? lock_downgrade+0x990/0x990 [ 96.624801] ? __local_bh_enable_ip+0x119/0x1f0 [ 96.629583] ? trace_hardirqs_on+0x6a/0x190 [ 96.634449] ? release_sock+0x15a/0x1c0 [ 96.638432] sock_alloc_send_skb+0x32/0x40 [ 96.642926] dccp_sendmsg+0x2a1/0xc30 [ 96.646822] ? perf_trace_dccp_probe+0xf80/0xf80 [ 96.651588] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 96.657230] ? perf_trace_dccp_probe+0xf80/0xf80 [ 96.662869] inet_sendmsg+0x10f/0x140 [ 96.666750] ? inet_send_prepare+0x4f0/0x4f0 [ 96.671329] sock_sendmsg+0x140/0x190 [ 96.675133] ____sys_sendmsg+0x372/0x8f0 [ 96.679623] ? kernel_sendmsg+0x50/0x50 [ 96.683691] ? lock_page_memcg+0x483/0x650 [ 96.688123] ? filemap_map_pages+0x15c1/0x19d0 [ 96.692786] ? filemap_map_pages+0x54e/0x19d0 [ 96.697275] ? __kasan_check_read+0x11/0x20 [ 96.701691] ? lock_release+0x57c/0x920 [ 96.705758] ___sys_sendmsg+0x11d/0x190 [ 96.709937] ? sendmsg_copy_msghdr+0x170/0x170 [ 96.714723] ? lock_release+0x920/0x920 [ 96.718697] ? lock_release+0x920/0x920 [ 96.722669] ? lock_downgrade+0x990/0x990 [ 96.726827] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 96.732451] ? _parse_integer+0x139/0x190 [ 96.736689] ? filemap_map_pages+0x577/0x19d0 [ 96.741274] ? __might_fault+0xdf/0x190 [ 96.745249] ? __kasan_check_read+0x11/0x20 [ 96.749610] ? lock_release+0x57c/0x920 [ 96.754040] ? lock_release+0x920/0x920 [ 96.758709] ? lock_downgrade+0x990/0x990 [ 96.762878] __sys_sendmmsg+0x1bf/0x4d0 [ 96.766943] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 96.771450] ? lock_release+0x57c/0x920 [ 96.775653] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 96.781526] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 96.787365] ? fput+0x47/0x50 [ 96.790472] ? ksys_write+0x1d5/0x290 [ 96.794327] ? __ia32_sys_read+0xb0/0xb0 [ 96.798732] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 96.804734] ? syscall_enter_from_user_mode+0x1c/0x70 [ 96.810040] __x64_sys_sendmmsg+0x9d/0x100 [ 96.814313] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.819817] do_syscall_64+0x40/0xb0 [ 96.823530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.828806] RIP: 0033:0x45d939 [ 96.832340] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.852735] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 96.862061] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 96.869770] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 96.877395] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 96.884707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 96.892054] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 96.899413] CPU: 0 PID: 6104 Comm: syz-executor2 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 96.909070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.919836] Call Trace: [ 96.922521] dump_stack+0x195/0x1f8 [ 96.926254] should_fail.cold+0x5/0xa [ 96.930340] __should_failslab+0xb7/0x100 [ 96.934618] should_failslab+0x9/0x20 [ 96.938576] kmem_cache_alloc_node+0x66/0x400 [ 96.943195] __alloc_skb+0x220/0x380 [ 96.946943] alloc_skb_with_frags+0x93/0x590 [ 96.951485] ? ip_local_out+0xe1/0x500 [ 96.955681] sock_alloc_send_pskb+0x840/0x9f0 [ 96.960672] ? __kasan_check_read+0x11/0x20 [ 96.965602] ? __kasan_check_read+0x11/0x20 [ 96.969951] ? sk_reset_timer+0xd0/0xd0 [ 96.973953] ? lock_downgrade+0x990/0x990 [ 96.978162] ? release_sock+0x15a/0x1c0 [ 96.982252] ? __kasan_check_read+0x11/0x20 [ 96.986968] ? __local_bh_enable_ip+0x119/0x1f0 [ 96.991926] ? trace_hardirqs_on+0x6a/0x190 [ 96.997340] ? release_sock+0x15a/0x1c0 [ 97.002188] sock_alloc_send_skb+0x32/0x40 2021/06/23 19:52:04 executed programs: 38 [ 97.007119] dccp_sendmsg+0x2a1/0xc30 [ 97.011050] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.015849] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 97.021682] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.026900] inet_sendmsg+0x10f/0x140 [ 97.030819] ? inet_send_prepare+0x4f0/0x4f0 [ 97.035476] sock_sendmsg+0x140/0x190 [ 97.039370] ____sys_sendmsg+0x372/0x8f0 [ 97.043830] ? kernel_sendmsg+0x50/0x50 [ 97.047825] ? lock_page_memcg+0x483/0x650 [ 97.052487] ? filemap_map_pages+0x15c1/0x19d0 [ 97.057270] ? filemap_map_pages+0x54e/0x19d0 [ 97.062027] ? __kasan_check_read+0x11/0x20 [ 97.066378] ? lock_release+0x57c/0x920 [ 97.070390] ___sys_sendmsg+0x11d/0x190 [ 97.074412] ? sendmsg_copy_msghdr+0x170/0x170 [ 97.079064] ? lock_release+0x920/0x920 [ 97.083153] ? lock_release+0x920/0x920 [ 97.087157] ? lock_downgrade+0x990/0x990 [ 97.091417] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.097434] ? _parse_integer+0x139/0x190 [ 97.101732] ? filemap_map_pages+0x577/0x19d0 [ 97.103504] FAULT_INJECTION: forcing a failure. [ 97.103504] name failslab, interval 1, probability 0, space 0, times 0 [ 97.106266] ? __might_fault+0xdf/0x190 [ 97.106300] ? __kasan_check_read+0x11/0x20 [ 97.106325] ? lock_release+0x57c/0x920 [ 97.106350] ? lock_release+0x920/0x920 [ 97.134457] ? lock_downgrade+0x990/0x990 [ 97.138632] __sys_sendmmsg+0x1bf/0x4d0 [ 97.142695] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 97.147195] ? lock_release+0x57c/0x920 [ 97.151256] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.156798] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 97.162683] ? fput+0x47/0x50 [ 97.165897] ? ksys_write+0x1d5/0x290 [ 97.169786] ? __ia32_sys_read+0xb0/0xb0 [ 97.173868] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 97.179162] ? syscall_enter_from_user_mode+0x1c/0x70 [ 97.184438] __x64_sys_sendmmsg+0x9d/0x100 [ 97.188680] ? syscall_enter_from_user_mode+0x21/0x70 [ 97.193967] do_syscall_64+0x40/0xb0 [ 97.197777] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.203324] RIP: 0033:0x45d939 [ 97.206520] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.226751] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 97.234742] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 97.242286] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 97.249694] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 97.257141] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 97.266186] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 97.273503] CPU: 1 PID: 6131 Comm: syz-executor5 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 97.283315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.292940] Call Trace: [ 97.296048] dump_stack+0x195/0x1f8 [ 97.299699] should_fail.cold+0x5/0xa [ 97.303549] __should_failslab+0xb7/0x100 [ 97.307811] should_failslab+0x9/0x20 [ 97.311812] kmem_cache_alloc_node+0x66/0x400 [ 97.316500] __alloc_skb+0x220/0x380 [ 97.320498] alloc_skb_with_frags+0x93/0x590 [ 97.323780] FAULT_INJECTION: forcing a failure. [ 97.323780] name failslab, interval 1, probability 0, space 0, times 0 [ 97.325095] ? trace_hardirqs_on+0x6a/0x190 [ 97.325130] sock_alloc_send_pskb+0x840/0x9f0 [ 97.345671] ? __kasan_check_read+0x11/0x20 [ 97.350083] ? __kasan_check_read+0x11/0x20 [ 97.354485] ? sk_reset_timer+0xd0/0xd0 [ 97.358560] ? lock_downgrade+0x990/0x990 [ 97.363054] ? lock_downgrade+0x990/0x990 [ 97.367199] ? __local_bh_enable_ip+0x119/0x1f0 [ 97.371875] ? trace_hardirqs_on+0x6a/0x190 [ 97.376368] ? release_sock+0x15a/0x1c0 [ 97.380772] sock_alloc_send_skb+0x32/0x40 [ 97.385182] dccp_sendmsg+0x2a1/0xc30 [ 97.389206] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.394058] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 97.399763] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.404637] inet_sendmsg+0x10f/0x140 [ 97.408453] ? inet_send_prepare+0x4f0/0x4f0 [ 97.412955] sock_sendmsg+0x140/0x190 [ 97.416943] ____sys_sendmsg+0x372/0x8f0 [ 97.421106] ? kernel_sendmsg+0x50/0x50 [ 97.425071] ? lock_page_memcg+0x483/0x650 [ 97.429369] ? filemap_map_pages+0x15c1/0x19d0 [ 97.434205] ? filemap_map_pages+0x54e/0x19d0 [ 97.438973] ? __kasan_check_read+0x11/0x20 [ 97.443296] ? lock_release+0x57c/0x920 [ 97.447712] ___sys_sendmsg+0x11d/0x190 [ 97.452484] ? sendmsg_copy_msghdr+0x170/0x170 [ 97.457265] ? lock_release+0x920/0x920 [ 97.462116] ? lock_release+0x920/0x920 [ 97.466651] ? lock_downgrade+0x990/0x990 [ 97.471145] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.476795] ? _parse_integer+0x139/0x190 [ 97.481233] ? filemap_map_pages+0x577/0x19d0 [ 97.485826] ? __might_fault+0xdf/0x190 [ 97.489895] ? __kasan_check_read+0x11/0x20 [ 97.494918] ? lock_release+0x57c/0x920 [ 97.499087] ? lock_release+0x920/0x920 [ 97.503236] ? lock_downgrade+0x990/0x990 [ 97.508214] __sys_sendmmsg+0x1bf/0x4d0 [ 97.512557] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 97.516902] ? lock_release+0x57c/0x920 [ 97.521112] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.527089] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 97.532735] ? fput+0x47/0x50 [ 97.536026] ? ksys_write+0x1d5/0x290 [ 97.540020] ? __ia32_sys_read+0xb0/0xb0 [ 97.544176] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 97.549367] ? syscall_enter_from_user_mode+0x1c/0x70 [ 97.555179] __x64_sys_sendmmsg+0x9d/0x100 [ 97.559863] ? syscall_enter_from_user_mode+0x21/0x70 [ 97.565152] do_syscall_64+0x40/0xb0 [ 97.569042] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.574245] RIP: 0033:0x45d939 [ 97.577443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.596618] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 97.604520] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 97.612215] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 97.620128] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 97.627589] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 97.635154] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 97.642707] CPU: 0 PID: 6132 Comm: syz-executor1 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 97.652383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.653123] FAULT_INJECTION: forcing a failure. [ 97.653123] name failslab, interval 1, probability 0, space 0, times 0 [ 97.661751] Call Trace: [ 97.661761] dump_stack+0x195/0x1f8 [ 97.661784] should_fail.cold+0x5/0xa [ 97.661801] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.689271] __should_failslab+0xb7/0x100 [ 97.693517] should_failslab+0x9/0x20 [ 97.697501] kmem_cache_alloc_node_trace+0x6c/0x420 [ 97.702618] __kmalloc_node_track_caller+0x3d/0x70 [ 97.707567] __alloc_skb+0xe4/0x380 [ 97.711191] alloc_skb_with_frags+0x93/0x590 [ 97.715867] ? ip_local_out+0xe1/0x500 [ 97.719750] sock_alloc_send_pskb+0x840/0x9f0 [ 97.724329] ? __kasan_check_read+0x11/0x20 [ 97.728745] ? __kasan_check_read+0x11/0x20 [ 97.733150] ? sk_reset_timer+0xd0/0xd0 [ 97.737160] ? lock_downgrade+0x990/0x990 [ 97.741747] ? lock_downgrade+0x990/0x990 [ 97.745968] ? __local_bh_enable_ip+0x119/0x1f0 [ 97.751691] ? trace_hardirqs_on+0x6a/0x190 [ 97.756549] ? release_sock+0x15a/0x1c0 [ 97.760985] sock_alloc_send_skb+0x32/0x40 [ 97.765957] dccp_sendmsg+0x2a1/0xc30 [ 97.769791] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.774651] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 97.780380] ? perf_trace_dccp_probe+0xf80/0xf80 [ 97.785362] inet_sendmsg+0x10f/0x140 [ 97.789162] ? inet_send_prepare+0x4f0/0x4f0 [ 97.793846] sock_sendmsg+0x140/0x190 [ 97.797655] ____sys_sendmsg+0x372/0x8f0 [ 97.801908] ? kernel_sendmsg+0x50/0x50 [ 97.805879] ? lock_page_memcg+0x483/0x650 [ 97.810233] ? filemap_map_pages+0x15c1/0x19d0 [ 97.814917] ? filemap_map_pages+0x54e/0x19d0 [ 97.819853] ? __kasan_check_read+0x11/0x20 [ 97.824435] ? lock_release+0x57c/0x920 [ 97.828793] ___sys_sendmsg+0x11d/0x190 [ 97.832771] ? sendmsg_copy_msghdr+0x170/0x170 [ 97.837533] ? lock_release+0x920/0x920 [ 97.841696] ? lock_release+0x920/0x920 [ 97.845851] ? lock_downgrade+0x990/0x990 [ 97.850584] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.856145] ? _parse_integer+0x139/0x190 [ 97.860467] ? filemap_map_pages+0x577/0x19d0 [ 97.866102] ? __might_fault+0xdf/0x190 [ 97.870091] ? __kasan_check_read+0x11/0x20 [ 97.874415] ? lock_release+0x57c/0x920 [ 97.878471] ? lock_release+0x920/0x920 [ 97.882703] ? lock_downgrade+0x990/0x990 [ 97.887025] __sys_sendmmsg+0x1bf/0x4d0 [ 97.891096] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 97.895615] ? lock_release+0x57c/0x920 [ 97.900118] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 97.905951] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 97.911498] ? fput+0x47/0x50 [ 97.914703] ? ksys_write+0x1d5/0x290 [ 97.918505] ? __ia32_sys_read+0xb0/0xb0 [ 97.922659] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 97.927675] ? syscall_enter_from_user_mode+0x1c/0x70 [ 97.933022] __x64_sys_sendmmsg+0x9d/0x100 [ 97.937743] ? syscall_enter_from_user_mode+0x21/0x70 [ 97.943146] do_syscall_64+0x40/0xb0 [ 97.946988] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.952398] RIP: 0033:0x45d939 [ 97.955586] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.975951] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 97.984286] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 97.991811] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 97.999437] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 98.007324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 98.015045] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 98.022494] CPU: 1 PID: 6135 Comm: syz-executor4 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 98.032250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.042357] Call Trace: [ 98.044945] dump_stack+0x195/0x1f8 [ 98.049114] should_fail.cold+0x5/0xa [ 98.053899] __should_failslab+0xb7/0x100 [ 98.058087] should_failslab+0x9/0x20 [ 98.062189] kmem_cache_alloc_trace+0x5f/0x3e0 [ 98.067243] ? __kasan_check_read+0x11/0x20 [ 98.071691] dccp_ackvec_parsed_add+0x57/0x250 [ 98.076493] ccid2_hc_tx_parse_options+0x9a/0xb0 [ 98.081452] dccp_parse_options+0x57f/0x11b0 [ 98.086078] ? __kasan_check_read+0x11/0x20 [ 98.091054] ? ccid2_change_l_ack_ratio+0xf0/0xf0 [ 98.096146] dccp_rcv_established+0x48/0x160 [ 98.097144] FAULT_INJECTION: forcing a failure. [ 98.097144] name failslab, interval 1, probability 0, space 0, times 0 [ 98.100712] dccp_v4_do_rcv+0x13c/0x190 [ 98.100743] __release_sock+0x130/0x3b0 [ 98.120234] release_sock+0x59/0x1c0 [ 98.124047] dccp_sendmsg+0x684/0xc30 [ 98.127921] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.133018] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 98.138950] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.143701] inet_sendmsg+0x10f/0x140 [ 98.147760] ? inet_send_prepare+0x4f0/0x4f0 [ 98.152538] sock_sendmsg+0x140/0x190 [ 98.156611] ____sys_sendmsg+0x372/0x8f0 [ 98.160884] ? kernel_sendmsg+0x50/0x50 [ 98.165268] ? lock_page_memcg+0x483/0x650 [ 98.170040] ? filemap_map_pages+0x15c1/0x19d0 [ 98.174722] ? filemap_map_pages+0x54e/0x19d0 [ 98.179484] ? __kasan_check_read+0x11/0x20 [ 98.183818] ? lock_release+0x57c/0x920 [ 98.187900] ___sys_sendmsg+0x11d/0x190 [ 98.191872] ? sendmsg_copy_msghdr+0x170/0x170 [ 98.196624] ? lock_release+0x920/0x920 [ 98.200769] ? lock_release+0x920/0x920 [ 98.204842] ? lock_downgrade+0x990/0x990 [ 98.209392] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 98.215276] ? _parse_integer+0x139/0x190 [ 98.219421] ? filemap_map_pages+0x577/0x19d0 [ 98.224100] ? __might_fault+0xdf/0x190 [ 98.228256] ? __kasan_check_read+0x11/0x20 [ 98.232584] ? lock_release+0x57c/0x920 [ 98.236558] ? lock_release+0x920/0x920 [ 98.240757] ? lock_downgrade+0x990/0x990 [ 98.245818] __sys_sendmmsg+0x1bf/0x4d0 [ 98.250005] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 98.254340] ? lock_release+0x57c/0x920 [ 98.258410] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 98.264213] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 98.269852] ? fput+0x47/0x50 [ 98.273325] ? ksys_write+0x1d5/0x290 [ 98.277466] ? __ia32_sys_read+0xb0/0xb0 [ 98.281722] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 98.287124] ? syscall_enter_from_user_mode+0x1c/0x70 [ 98.292574] __x64_sys_sendmmsg+0x9d/0x100 [ 98.297369] ? syscall_enter_from_user_mode+0x21/0x70 [ 98.303004] do_syscall_64+0x40/0xb0 [ 98.307563] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 98.312931] RIP: 0033:0x45d939 [ 98.316182] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.335534] RSP: 002b:00007f651a843198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 98.344301] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 98.351998] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 98.359355] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 98.366738] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f651a8436bc [ 98.374011] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 98.381372] CPU: 0 PID: 6136 Comm: syz-executor Tainted: G B 5.13.0-rc7-syzkaller #0 [ 98.381514] dccp_parse_options: DCCP(000000003e244816): Option 38 (len=1) error=5 [ 98.390565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.390577] Call Trace: [ 98.390584] dump_stack+0x195/0x1f8 [ 98.413862] should_fail.cold+0x5/0xa [ 98.417975] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 98.423547] __should_failslab+0xb7/0x100 [ 98.427912] should_failslab+0x9/0x20 [ 98.431754] kmem_cache_alloc_node_trace+0x6c/0x420 [ 98.437055] __kmalloc_node_track_caller+0x3d/0x70 [ 98.442194] __alloc_skb+0xe4/0x380 [ 98.445837] alloc_skb_with_frags+0x93/0x590 [ 98.450358] ? ip_local_out+0xe1/0x500 [ 98.454362] sock_alloc_send_pskb+0x840/0x9f0 [ 98.458968] ? __kasan_check_read+0x11/0x20 [ 98.463320] ? __kasan_check_read+0x11/0x20 [ 98.467678] ? sk_reset_timer+0xd0/0xd0 [ 98.471678] ? lock_downgrade+0x990/0x990 [ 98.476024] ? lock_downgrade+0x990/0x990 [ 98.480491] ? __local_bh_enable_ip+0x119/0x1f0 [ 98.485289] ? trace_hardirqs_on+0x6a/0x190 [ 98.489694] ? release_sock+0x15a/0x1c0 [ 98.493788] sock_alloc_send_skb+0x32/0x40 [ 98.498549] dccp_sendmsg+0x2a1/0xc30 [ 98.502638] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.507638] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 98.513517] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.518305] inet_sendmsg+0x10f/0x140 [ 98.522570] ? inet_send_prepare+0x4f0/0x4f0 [ 98.527192] sock_sendmsg+0x140/0x190 [ 98.531012] ____sys_sendmsg+0x372/0x8f0 [ 98.535090] ? kernel_sendmsg+0x50/0x50 [ 98.539259] ? lock_page_memcg+0x483/0x650 [ 98.543605] ? finish_task_switch.isra.0+0x125/0x6c0 [ 98.548767] ? __kasan_check_read+0x11/0x20 [ 98.553459] ? lock_release+0x57c/0x920 [ 98.553815] FAULT_INJECTION: forcing a failure. [ 98.553815] name failslab, interval 1, probability 0, space 0, times 0 [ 98.557547] ___sys_sendmsg+0x11d/0x190 [ 98.557573] ? sendmsg_copy_msghdr+0x170/0x170 [ 98.557595] ? _raw_spin_unlock_irq+0x23/0x70 [ 98.557617] ? trace_hardirqs_on+0x6a/0x190 [ 98.587891] ? _raw_spin_unlock_irq+0x23/0x70 [ 98.592575] ? finish_task_switch.isra.0+0x125/0x6c0 [ 98.597784] ? finish_task_switch.isra.0+0xef/0x6c0 [ 98.602810] ? __switch_to+0x437/0xf80 [ 98.606715] ? __switch_to_asm+0x42/0x70 [ 98.610881] ? __schedule+0xf52/0x2310 [ 98.614947] ? io_schedule_timeout+0x140/0x140 [ 98.619707] ? __kasan_check_read+0x11/0x20 [ 98.624379] __sys_sendmmsg+0x1bf/0x4d0 [ 98.628542] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 98.633933] ? lock_release+0x57c/0x920 [ 98.640190] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 98.646681] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 98.652595] ? fput+0x47/0x50 [ 98.655795] ? ksys_write+0x1d5/0x290 [ 98.659698] ? __ia32_sys_read+0xb0/0xb0 [ 98.663932] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 98.669130] ? syscall_enter_from_user_mode+0x1c/0x70 [ 98.674546] __x64_sys_sendmmsg+0x9d/0x100 [ 98.678965] ? syscall_enter_from_user_mode+0x21/0x70 [ 98.684435] do_syscall_64+0x40/0xb0 [ 98.688231] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 98.693607] RIP: 0033:0x45d939 [ 98.696804] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.716753] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 98.724671] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 98.732209] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 98.739819] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 98.747990] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 98.755769] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 98.763404] CPU: 1 PID: 6152 Comm: syz-executor5 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 98.771068] FAULT_INJECTION: forcing a failure. [ 98.771068] name failslab, interval 1, probability 0, space 0, times 0 [ 98.773157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.773170] Call Trace: [ 98.773177] dump_stack+0x195/0x1f8 [ 98.773203] should_fail.cold+0x5/0xa [ 98.805365] ? __kasan_check_read+0x11/0x20 [ 98.809702] __should_failslab+0xb7/0x100 [ 98.813951] should_failslab+0x9/0x20 [ 98.817752] kmem_cache_alloc_node_trace+0x6c/0x420 [ 98.822777] __kmalloc_node_track_caller+0x3d/0x70 [ 98.827737] __alloc_skb+0xe4/0x380 [ 98.831447] alloc_skb_with_frags+0x93/0x590 [ 98.836044] ? trace_hardirqs_on+0x6a/0x190 [ 98.840455] sock_alloc_send_pskb+0x840/0x9f0 [ 98.845052] ? __kasan_check_read+0x11/0x20 [ 98.849727] ? __kasan_check_read+0x11/0x20 [ 98.854146] ? sk_reset_timer+0xd0/0xd0 [ 98.858120] ? lock_downgrade+0x990/0x990 [ 98.862361] ? lock_downgrade+0x990/0x990 [ 98.866684] ? __local_bh_enable_ip+0x119/0x1f0 [ 98.871550] ? trace_hardirqs_on+0x6a/0x190 [ 98.876177] ? release_sock+0x15a/0x1c0 [ 98.881017] sock_alloc_send_skb+0x32/0x40 [ 98.885250] dccp_sendmsg+0x2a1/0xc30 [ 98.889117] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.894363] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 98.900270] ? perf_trace_dccp_probe+0xf80/0xf80 [ 98.905202] inet_sendmsg+0x10f/0x140 [ 98.909700] ? inet_send_prepare+0x4f0/0x4f0 [ 98.914374] sock_sendmsg+0x140/0x190 [ 98.918254] ____sys_sendmsg+0x372/0x8f0 [ 98.922920] ? kernel_sendmsg+0x50/0x50 [ 98.926901] ? lock_page_memcg+0x483/0x650 [ 98.931485] ? filemap_map_pages+0x15c1/0x19d0 [ 98.936155] ? filemap_map_pages+0x54e/0x19d0 [ 98.940694] ? __kasan_check_read+0x11/0x20 [ 98.945032] ? lock_release+0x57c/0x920 [ 98.949111] ___sys_sendmsg+0x11d/0x190 [ 98.953431] ? sendmsg_copy_msghdr+0x170/0x170 [ 98.958189] ? lock_release+0x920/0x920 [ 98.962441] ? lock_release+0x920/0x920 [ 98.966846] ? lock_downgrade+0x990/0x990 [ 98.971098] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 98.976809] ? _parse_integer+0x139/0x190 [ 98.980962] ? filemap_map_pages+0x577/0x19d0 [ 98.985570] ? __might_fault+0xdf/0x190 [ 98.989591] ? __kasan_check_read+0x11/0x20 [ 98.993926] ? lock_release+0x57c/0x920 [ 98.998914] ? lock_release+0x920/0x920 [ 99.002988] ? lock_downgrade+0x990/0x990 [ 99.007183] __sys_sendmmsg+0x1bf/0x4d0 [ 99.011253] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 99.015590] ? lock_release+0x57c/0x920 [ 99.020016] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 99.025739] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 99.031361] ? fput+0x47/0x50 [ 99.034461] ? ksys_write+0x1d5/0x290 [ 99.038259] ? __ia32_sys_read+0xb0/0xb0 [ 99.042313] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 99.047420] ? syscall_enter_from_user_mode+0x1c/0x70 [ 99.053319] __x64_sys_sendmmsg+0x9d/0x100 [ 99.058330] ? syscall_enter_from_user_mode+0x21/0x70 [ 99.063850] do_syscall_64+0x40/0xb0 [ 99.068016] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.073922] RIP: 0033:0x45d939 [ 99.077497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.097209] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 99.104915] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 99.112933] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 99.120545] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 99.128018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 99.135386] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 99.143123] CPU: 0 PID: 6151 Comm: syz-executor1 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 99.152734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.162491] Call Trace: [ 99.165108] dump_stack+0x195/0x1f8 [ 99.168929] should_fail.cold+0x5/0xa [ 99.172956] ? __kasan_check_read+0x11/0x20 [ 99.177304] __should_failslab+0xb7/0x100 [ 99.181584] should_failslab+0x9/0x20 [ 99.185410] kmem_cache_alloc_node_trace+0x6c/0x420 [ 99.190536] __kmalloc_node_track_caller+0x3d/0x70 [ 99.196197] __alloc_skb+0xe4/0x380 [ 99.199842] alloc_skb_with_frags+0x93/0x590 [ 99.202462] FAULT_INJECTION: forcing a failure. [ 99.202462] name failslab, interval 1, probability 0, space 0, times 0 [ 99.204433] ? trace_hardirqs_on+0x6a/0x190 [ 99.204468] sock_alloc_send_pskb+0x840/0x9f0 [ 99.225211] ? __kasan_check_read+0x11/0x20 [ 99.229561] ? __kasan_check_read+0x11/0x20 [ 99.233969] ? sk_reset_timer+0xd0/0xd0 [ 99.237952] ? lock_downgrade+0x990/0x990 [ 99.242184] ? lock_downgrade+0x990/0x990 [ 99.246632] ? __local_bh_enable_ip+0x119/0x1f0 [ 99.251405] ? trace_hardirqs_on+0x6a/0x190 [ 99.255919] ? release_sock+0x15a/0x1c0 [ 99.259983] sock_alloc_send_skb+0x32/0x40 [ 99.264233] dccp_sendmsg+0x2a1/0xc30 [ 99.268482] ? perf_trace_dccp_probe+0xf80/0xf80 [ 99.273655] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 99.279541] ? perf_trace_dccp_probe+0xf80/0xf80 [ 99.284303] inet_sendmsg+0x10f/0x140 [ 99.288108] ? inet_send_prepare+0x4f0/0x4f0 [ 99.292707] sock_sendmsg+0x140/0x190 [ 99.296605] ____sys_sendmsg+0x372/0x8f0 [ 99.300849] ? kernel_sendmsg+0x50/0x50 [ 99.304818] ? lock_page_memcg+0x483/0x650 [ 99.309139] ? filemap_map_pages+0x15c1/0x19d0 [ 99.313890] ? filemap_map_pages+0x54e/0x19d0 [ 99.318579] ? __kasan_check_read+0x11/0x20 [ 99.323542] ? lock_release+0x57c/0x920 [ 99.327711] ___sys_sendmsg+0x11d/0x190 [ 99.332414] ? sendmsg_copy_msghdr+0x170/0x170 [ 99.337111] ? lock_release+0x920/0x920 [ 99.341365] ? lock_release+0x920/0x920 [ 99.345629] ? lock_downgrade+0x990/0x990 [ 99.351379] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 99.357205] ? _parse_integer+0x139/0x190 [ 99.361460] ? filemap_map_pages+0x577/0x19d0 [ 99.366075] ? __might_fault+0xdf/0x190 [ 99.370753] ? __kasan_check_read+0x11/0x20 [ 99.375269] ? lock_release+0x57c/0x920 [ 99.379249] ? lock_release+0x920/0x920 [ 99.383237] ? lock_downgrade+0x990/0x990 [ 99.387389] __sys_sendmmsg+0x1bf/0x4d0 [ 99.391538] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 99.396112] ? lock_release+0x57c/0x920 [ 99.400342] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 99.405900] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 99.411633] ? fput+0x47/0x50 [ 99.414825] ? ksys_write+0x1d5/0x290 [ 99.418632] ? __ia32_sys_read+0xb0/0xb0 [ 99.423155] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 99.428387] ? syscall_enter_from_user_mode+0x1c/0x70 [ 99.433903] __x64_sys_sendmmsg+0x9d/0x100 [ 99.438227] ? syscall_enter_from_user_mode+0x21/0x70 [ 99.443505] do_syscall_64+0x40/0xb0 [ 99.447668] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.453377] RIP: 0033:0x45d939 [ 99.456742] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.478658] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 99.486643] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 99.493996] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 99.501471] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 99.509018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 99.516538] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 99.523951] CPU: 1 PID: 6154 Comm: syz-executor2 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 99.533970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.544218] Call Trace: [ 99.547067] dump_stack+0x195/0x1f8 [ 99.550731] should_fail.cold+0x5/0xa [ 99.554674] ? __kasan_check_read+0x11/0x20 [ 99.559414] __should_failslab+0xb7/0x100 [ 99.563883] should_failslab+0x9/0x20 [ 99.566902] FAULT_INJECTION: forcing a failure. [ 99.566902] name failslab, interval 1, probability 0, space 0, times 0 [ 99.568352] kmem_cache_alloc_node_trace+0x6c/0x420 [ 99.568384] __kmalloc_node_track_caller+0x3d/0x70 [ 99.590993] __alloc_skb+0xe4/0x380 [ 99.594727] alloc_skb_with_frags+0x93/0x590 [ 99.599230] ? trace_hardirqs_on+0x6a/0x190 [ 99.603555] sock_alloc_send_pskb+0x840/0x9f0 [ 99.608341] ? __kasan_check_read+0x11/0x20 [ 99.612662] ? __kasan_check_read+0x11/0x20 [ 99.617081] ? sk_reset_timer+0xd0/0xd0 [ 99.621142] ? lock_downgrade+0x990/0x990 [ 99.625419] ? lock_downgrade+0x990/0x990 [ 99.629767] ? __local_bh_enable_ip+0x119/0x1f0 [ 99.634536] ? trace_hardirqs_on+0x6a/0x190 [ 99.638969] ? release_sock+0x15a/0x1c0 [ 99.643074] sock_alloc_send_skb+0x32/0x40 [ 99.647411] dccp_sendmsg+0x2a1/0xc30 [ 99.651315] ? perf_trace_dccp_probe+0xf80/0xf80 [ 99.656376] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 99.662637] ? perf_trace_dccp_probe+0xf80/0xf80 [ 99.667584] inet_sendmsg+0x10f/0x140 [ 99.671767] ? inet_send_prepare+0x4f0/0x4f0 [ 99.676172] sock_sendmsg+0x140/0x190 [ 99.680358] ____sys_sendmsg+0x372/0x8f0 [ 99.684700] ? kernel_sendmsg+0x50/0x50 [ 99.688705] ? lock_page_memcg+0x483/0x650 [ 99.692944] ? filemap_map_pages+0x15c1/0x19d0 [ 99.697520] ? filemap_map_pages+0x54e/0x19d0 [ 99.702217] ? __kasan_check_read+0x11/0x20 [ 99.706740] ? lock_release+0x57c/0x920 [ 99.710802] ___sys_sendmsg+0x11d/0x190 [ 99.714780] ? sendmsg_copy_msghdr+0x170/0x170 [ 99.719453] ? lock_release+0x920/0x920 [ 99.723446] ? lock_release+0x920/0x920 [ 99.727560] ? lock_downgrade+0x990/0x990 [ 99.731975] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 99.737519] ? _parse_integer+0x139/0x190 [ 99.741758] ? filemap_map_pages+0x577/0x19d0 [ 99.746611] ? __might_fault+0xdf/0x190 [ 99.751057] ? __kasan_check_read+0x11/0x20 [ 99.755814] ? lock_release+0x57c/0x920 [ 99.759904] ? lock_release+0x920/0x920 [ 99.763885] ? lock_downgrade+0x990/0x990 [ 99.768141] __sys_sendmmsg+0x1bf/0x4d0 [ 99.772301] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 99.776627] ? lock_release+0x57c/0x920 [ 99.780689] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 99.786312] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 99.791932] ? fput+0x47/0x50 [ 99.795031] ? ksys_write+0x1d5/0x290 [ 99.798912] ? __ia32_sys_read+0xb0/0xb0 [ 99.803165] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 99.808350] ? syscall_enter_from_user_mode+0x1c/0x70 [ 99.814038] __x64_sys_sendmmsg+0x9d/0x100 [ 99.818307] ? syscall_enter_from_user_mode+0x21/0x70 [ 99.823545] do_syscall_64+0x40/0xb0 [ 99.827365] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.832651] RIP: 0033:0x45d939 [ 99.835892] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.855309] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 99.863067] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 99.870412] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 99.879113] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 99.886382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 99.893732] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 99.901171] CPU: 0 PID: 6158 Comm: syz-executor Tainted: G B 5.13.0-rc7-syzkaller #0 [ 99.910960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.920946] Call Trace: [ 99.923620] dump_stack+0x195/0x1f8 [ 99.927447] should_fail.cold+0x5/0xa [ 99.931267] __should_failslab+0xb7/0x100 [ 99.935524] should_failslab+0x9/0x20 [ 99.939352] kmem_cache_alloc_node+0x66/0x400 [ 99.944169] __alloc_skb+0x220/0x380 [ 99.948072] alloc_skb_with_frags+0x93/0x590 [ 99.952921] ? ip_local_out+0xe1/0x500 [ 99.956837] sock_alloc_send_pskb+0x840/0x9f0 [ 99.961536] ? __kasan_check_read+0x11/0x20 [ 99.965885] ? __kasan_check_read+0x11/0x20 [ 99.970244] ? sk_reset_timer+0xd0/0xd0 [ 99.974241] ? lock_downgrade+0x990/0x990 [ 99.978502] ? lock_downgrade+0x990/0x990 [ 99.982940] ? __local_bh_enable_ip+0x119/0x1f0 [ 99.987634] ? trace_hardirqs_on+0x6a/0x190 [ 99.991979] ? release_sock+0x15a/0x1c0 [ 99.996172] sock_alloc_send_skb+0x32/0x40 [ 100.000616] dccp_sendmsg+0x2a1/0xc30 [ 100.004616] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.009749] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 100.015486] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.020718] inet_sendmsg+0x10f/0x140 [ 100.024536] ? inet_send_prepare+0x4f0/0x4f0 [ 100.029226] sock_sendmsg+0x140/0x190 [ 100.033130] ____sys_sendmsg+0x372/0x8f0 [ 100.037210] ? kernel_sendmsg+0x50/0x50 [ 100.041372] ? lock_page_memcg+0x483/0x650 [ 100.045670] ? filemap_map_pages+0x15c1/0x19d0 [ 100.050443] ? filemap_map_pages+0x54e/0x19d0 [ 100.055134] ? __kasan_check_read+0x11/0x20 [ 100.059668] ? lock_release+0x57c/0x920 [ 100.063856] ___sys_sendmsg+0x11d/0x190 [ 100.068155] ? sendmsg_copy_msghdr+0x170/0x170 [ 100.072859] ? lock_release+0x920/0x920 [ 100.076869] ? lock_release+0x920/0x920 [ 100.080876] ? lock_downgrade+0x990/0x990 [ 100.085062] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.090638] ? _parse_integer+0x139/0x190 [ 100.091066] FAULT_INJECTION: forcing a failure. [ 100.091066] name failslab, interval 1, probability 0, space 0, times 0 [ 100.094798] ? filemap_map_pages+0x577/0x19d0 [ 100.094822] ? __might_fault+0xdf/0x190 [ 100.094846] ? __kasan_check_read+0x11/0x20 [ 100.094872] ? lock_release+0x57c/0x920 [ 100.123273] ? lock_release+0x920/0x920 [ 100.127262] ? lock_downgrade+0x990/0x990 [ 100.131426] __sys_sendmmsg+0x1bf/0x4d0 [ 100.135415] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 100.139734] ? lock_release+0x57c/0x920 [ 100.143796] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.149506] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 100.155496] ? fput+0x47/0x50 [ 100.158599] ? ksys_write+0x1d5/0x290 [ 100.162481] ? __ia32_sys_read+0xb0/0xb0 [ 100.166637] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 100.171668] ? syscall_enter_from_user_mode+0x1c/0x70 [ 100.177582] __x64_sys_sendmmsg+0x9d/0x100 [ 100.181840] ? syscall_enter_from_user_mode+0x21/0x70 [ 100.187048] do_syscall_64+0x40/0xb0 [ 100.190842] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 100.196213] RIP: 0033:0x45d939 [ 100.199419] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.219041] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 100.226919] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 100.234287] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 100.241565] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 100.249632] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 100.257508] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 100.266449] CPU: 1 PID: 6175 Comm: syz-executor2 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 100.275967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.285716] Call Trace: [ 100.288309] dump_stack+0x195/0x1f8 [ 100.292554] should_fail.cold+0x5/0xa [ 100.296469] __should_failslab+0xb7/0x100 [ 100.300663] should_failslab+0x9/0x20 [ 100.304812] kmem_cache_alloc_node+0x66/0x400 [ 100.309330] __alloc_skb+0x220/0x380 [ 100.309393] FAULT_INJECTION: forcing a failure. [ 100.309393] name failslab, interval 1, probability 0, space 0, times 0 [ 100.313258] alloc_skb_with_frags+0x93/0x590 [ 100.313284] ? trace_hardirqs_on+0x6a/0x190 [ 100.313313] sock_alloc_send_pskb+0x840/0x9f0 [ 100.338126] ? __kasan_check_read+0x11/0x20 [ 100.342469] ? __kasan_check_read+0x11/0x20 [ 100.346961] ? sk_reset_timer+0xd0/0xd0 [ 100.351020] ? lock_downgrade+0x990/0x990 [ 100.355234] ? lock_downgrade+0x990/0x990 [ 100.359381] ? __local_bh_enable_ip+0x119/0x1f0 [ 100.364435] ? trace_hardirqs_on+0x6a/0x190 [ 100.368945] ? release_sock+0x15a/0x1c0 [ 100.373041] sock_alloc_send_skb+0x32/0x40 [ 100.377748] dccp_sendmsg+0x2a1/0xc30 [ 100.381643] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.386498] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 100.392121] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.396888] inet_sendmsg+0x10f/0x140 [ 100.401037] ? inet_send_prepare+0x4f0/0x4f0 [ 100.405440] sock_sendmsg+0x140/0x190 [ 100.409617] ____sys_sendmsg+0x372/0x8f0 [ 100.414037] ? kernel_sendmsg+0x50/0x50 [ 100.418016] ? lock_page_memcg+0x483/0x650 [ 100.422366] ? filemap_map_pages+0x15c1/0x19d0 [ 100.427069] ? filemap_map_pages+0x54e/0x19d0 [ 100.431649] ? __kasan_check_read+0x11/0x20 [ 100.436337] ? lock_release+0x57c/0x920 [ 100.440577] ___sys_sendmsg+0x11d/0x190 [ 100.444744] ? sendmsg_copy_msghdr+0x170/0x170 [ 100.449411] ? lock_release+0x920/0x920 [ 100.453517] ? lock_release+0x920/0x920 [ 100.458935] ? lock_downgrade+0x990/0x990 [ 100.463171] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.468818] ? _parse_integer+0x139/0x190 [ 100.472993] ? filemap_map_pages+0x577/0x19d0 [ 100.477491] ? __might_fault+0xdf/0x190 [ 100.481584] ? __kasan_check_read+0x11/0x20 [ 100.486217] ? lock_release+0x57c/0x920 [ 100.490297] ? lock_release+0x920/0x920 [ 100.494374] ? lock_downgrade+0x990/0x990 [ 100.500362] __sys_sendmmsg+0x1bf/0x4d0 [ 100.504339] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 100.508658] ? lock_release+0x57c/0x920 [ 100.512720] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.518603] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 100.524525] ? fput+0x47/0x50 [ 100.527717] ? ksys_write+0x1d5/0x290 [ 100.531513] ? __ia32_sys_read+0xb0/0xb0 [ 100.535654] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 100.541039] ? syscall_enter_from_user_mode+0x1c/0x70 [ 100.546521] __x64_sys_sendmmsg+0x9d/0x100 [ 100.551013] ? syscall_enter_from_user_mode+0x21/0x70 [ 100.556295] do_syscall_64+0x40/0xb0 [ 100.560180] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 100.565455] RIP: 0033:0x45d939 [ 100.568922] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.589304] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 100.597359] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 100.604794] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 100.612052] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 100.619341] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 100.626775] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 100.634060] CPU: 0 PID: 6176 Comm: syz-executor5 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 100.643452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.652922] Call Trace: [ 100.655505] dump_stack+0x195/0x1f8 [ 100.659146] should_fail.cold+0x5/0xa [ 100.663053] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.668623] __should_failslab+0xb7/0x100 [ 100.672920] should_failslab+0x9/0x20 [ 100.676863] kmem_cache_alloc_node_trace+0x6c/0x420 [ 100.681902] __kmalloc_node_track_caller+0x3d/0x70 [ 100.686857] __alloc_skb+0xe4/0x380 [ 100.690594] alloc_skb_with_frags+0x93/0x590 [ 100.695114] ? ip_local_out+0xe1/0x500 [ 100.699053] sock_alloc_send_pskb+0x840/0x9f0 [ 100.702221] FAULT_INJECTION: forcing a failure. [ 100.702221] name failslab, interval 1, probability 0, space 0, times 0 [ 100.704174] ? __kasan_check_read+0x11/0x20 [ 100.704205] ? __kasan_check_read+0x11/0x20 [ 100.704229] ? sk_reset_timer+0xd0/0xd0 [ 100.704252] ? lock_downgrade+0x990/0x990 [ 100.704277] ? lock_downgrade+0x990/0x990 [ 100.704301] ? __local_bh_enable_ip+0x119/0x1f0 [ 100.704327] ? trace_hardirqs_on+0x6a/0x190 [ 100.704355] ? release_sock+0x15a/0x1c0 [ 100.750454] sock_alloc_send_skb+0x32/0x40 [ 100.754954] dccp_sendmsg+0x2a1/0xc30 [ 100.758756] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.763606] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 100.769141] ? perf_trace_dccp_probe+0xf80/0xf80 [ 100.773906] inet_sendmsg+0x10f/0x140 [ 100.777806] ? inet_send_prepare+0x4f0/0x4f0 [ 100.782469] sock_sendmsg+0x140/0x190 [ 100.786624] ____sys_sendmsg+0x372/0x8f0 [ 100.790679] ? kernel_sendmsg+0x50/0x50 [ 100.794918] ? lock_page_memcg+0x483/0x650 [ 100.799165] ? finish_task_switch.isra.0+0x125/0x6c0 [ 100.804357] ? __kasan_check_read+0x11/0x20 [ 100.808678] ? lock_release+0x57c/0x920 [ 100.812665] ___sys_sendmsg+0x11d/0x190 [ 100.816724] ? sendmsg_copy_msghdr+0x170/0x170 [ 100.821395] ? _raw_spin_unlock_irq+0x23/0x70 [ 100.826076] ? trace_hardirqs_on+0x6a/0x190 [ 100.830590] ? _raw_spin_unlock_irq+0x23/0x70 [ 100.835097] ? finish_task_switch.isra.0+0x125/0x6c0 [ 100.840341] ? finish_task_switch.isra.0+0xef/0x6c0 [ 100.845461] ? __might_fault+0xdf/0x190 [ 100.849719] ? __kasan_check_read+0x11/0x20 [ 100.854276] ? lock_release+0x57c/0x920 [ 100.858336] ? lock_release+0x920/0x920 [ 100.862903] ? lock_downgrade+0x990/0x990 [ 100.867424] ? io_schedule_timeout+0x140/0x140 [ 100.872185] __sys_sendmmsg+0x1bf/0x4d0 [ 100.876160] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 100.880927] ? lock_release+0x57c/0x920 [ 100.885019] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 100.890821] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 100.896533] ? fput+0x47/0x50 [ 100.899846] ? ksys_write+0x1d5/0x290 [ 100.903914] ? __ia32_sys_read+0xb0/0xb0 [ 100.907994] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 100.913043] ? syscall_enter_from_user_mode+0x1c/0x70 [ 100.918435] __x64_sys_sendmmsg+0x9d/0x100 [ 100.922680] ? syscall_enter_from_user_mode+0x21/0x70 [ 100.928076] do_syscall_64+0x40/0xb0 [ 100.932075] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 100.938099] RIP: 0033:0x45d939 [ 100.941312] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 100.961721] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 100.969555] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 100.977260] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 100.984886] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 100.992249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 101.001814] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 101.009266] CPU: 1 PID: 6178 Comm: syz-executor1 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 101.020103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.029593] Call Trace: [ 101.032179] dump_stack+0x195/0x1f8 [ 101.035922] should_fail.cold+0x5/0xa [ 101.039820] ? __kasan_check_read+0x11/0x20 [ 101.044250] __should_failslab+0xb7/0x100 [ 101.048611] should_failslab+0x9/0x20 [ 101.052521] kmem_cache_alloc_node_trace+0x6c/0x420 [ 101.057738] __kmalloc_node_track_caller+0x3d/0x70 [ 101.062905] __alloc_skb+0xe4/0x380 [ 101.066565] alloc_skb_with_frags+0x93/0x590 [ 101.071231] ? trace_hardirqs_on+0x6a/0x190 [ 101.075717] sock_alloc_send_pskb+0x840/0x9f0 [ 101.080242] ? __kasan_check_read+0x11/0x20 [ 101.084683] ? __kasan_check_read+0x11/0x20 [ 101.085711] FAULT_INJECTION: forcing a failure. [ 101.085711] name failslab, interval 1, probability 0, space 0, times 0 [ 101.089536] ? sk_reset_timer+0xd0/0xd0 [ 101.089565] ? lock_downgrade+0x990/0x990 [ 101.089592] ? lock_downgrade+0x990/0x990 [ 101.113535] ? __local_bh_enable_ip+0x119/0x1f0 [ 101.118297] ? trace_hardirqs_on+0x6a/0x190 [ 101.122712] ? release_sock+0x15a/0x1c0 [ 101.126697] sock_alloc_send_skb+0x32/0x40 [ 101.131192] dccp_sendmsg+0x2a1/0xc30 [ 101.135274] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.140302] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 101.146374] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.151220] inet_sendmsg+0x10f/0x140 [ 101.155030] ? inet_send_prepare+0x4f0/0x4f0 [ 101.159935] sock_sendmsg+0x140/0x190 [ 101.164198] ____sys_sendmsg+0x372/0x8f0 [ 101.168456] ? kernel_sendmsg+0x50/0x50 [ 101.172520] ? lock_page_memcg+0x483/0x650 [ 101.176951] ? filemap_map_pages+0x15c1/0x19d0 [ 101.181753] ? filemap_map_pages+0x54e/0x19d0 [ 101.186515] ? __kasan_check_read+0x11/0x20 [ 101.191192] ? lock_release+0x57c/0x920 [ 101.195469] ___sys_sendmsg+0x11d/0x190 [ 101.199887] ? sendmsg_copy_msghdr+0x170/0x170 [ 101.204568] ? lock_release+0x920/0x920 [ 101.208646] ? lock_release+0x920/0x920 [ 101.212727] ? lock_downgrade+0x990/0x990 [ 101.217050] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 101.222943] ? _parse_integer+0x139/0x190 [ 101.227281] ? filemap_map_pages+0x577/0x19d0 [ 101.232324] ? __might_fault+0xdf/0x190 [ 101.236473] ? __kasan_check_read+0x11/0x20 [ 101.241074] ? lock_release+0x57c/0x920 [ 101.245496] ? lock_release+0x920/0x920 [ 101.249588] ? lock_downgrade+0x990/0x990 [ 101.254184] __sys_sendmmsg+0x1bf/0x4d0 [ 101.258449] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 101.262918] ? lock_release+0x57c/0x920 [ 101.266906] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 101.272866] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 101.278767] ? fput+0x47/0x50 [ 101.281955] ? ksys_write+0x1d5/0x290 [ 101.286023] ? __ia32_sys_read+0xb0/0xb0 [ 101.290224] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 101.295545] ? syscall_enter_from_user_mode+0x1c/0x70 [ 101.300867] __x64_sys_sendmmsg+0x9d/0x100 [ 101.305194] ? syscall_enter_from_user_mode+0x21/0x70 [ 101.310496] do_syscall_64+0x40/0xb0 [ 101.314333] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.319695] RIP: 0033:0x45d939 [ 101.322892] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.343422] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 101.351395] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 101.358779] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 101.366403] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 101.374106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 101.382060] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 101.389536] CPU: 0 PID: 6186 Comm: syz-executor Tainted: G B 5.13.0-rc7-syzkaller #0 [ 101.399311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.409125] Call Trace: [ 101.412005] dump_stack+0x195/0x1f8 [ 101.415916] should_fail.cold+0x5/0xa [ 101.420055] __should_failslab+0xb7/0x100 [ 101.424409] should_failslab+0x9/0x20 [ 101.428340] kmem_cache_alloc_trace+0x5f/0x3e0 [ 101.433146] ? __kasan_check_read+0x11/0x20 [ 101.437689] dccp_ackvec_parsed_add+0x57/0x250 [ 101.442396] ccid2_hc_tx_parse_options+0x9a/0xb0 [ 101.447577] dccp_parse_options+0x57f/0x11b0 [ 101.452278] ? __kasan_check_read+0x11/0x20 [ 101.457146] ? ccid2_change_l_ack_ratio+0xf0/0xf0 [ 101.462555] dccp_rcv_established+0x48/0x160 [ 101.467168] dccp_v4_do_rcv+0x13c/0x190 [ 101.471172] __release_sock+0x130/0x3b0 [ 101.475176] release_sock+0x59/0x1c0 [ 101.479091] dccp_sendmsg+0x684/0xc30 [ 101.482920] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.488100] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 101.493771] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.494962] FAULT_INJECTION: forcing a failure. [ 101.494962] name failslab, interval 1, probability 0, space 0, times 0 [ 101.498558] inet_sendmsg+0x10f/0x140 [ 101.498585] ? inet_send_prepare+0x4f0/0x4f0 [ 101.498607] sock_sendmsg+0x140/0x190 [ 101.522627] ____sys_sendmsg+0x372/0x8f0 [ 101.526798] ? kernel_sendmsg+0x50/0x50 [ 101.530878] ? lock_page_memcg+0x483/0x650 [ 101.535232] ? filemap_map_pages+0x15c1/0x19d0 [ 101.539809] ? filemap_map_pages+0x54e/0x19d0 [ 101.544579] ? __kasan_check_read+0x11/0x20 [ 101.549106] ? lock_release+0x57c/0x920 [ 101.553618] ___sys_sendmsg+0x11d/0x190 [ 101.557779] ? sendmsg_copy_msghdr+0x170/0x170 [ 101.562807] ? lock_release+0x920/0x920 [ 101.567045] ? lock_release+0x920/0x920 [ 101.571126] ? lock_downgrade+0x990/0x990 [ 101.575375] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 101.581139] ? _parse_integer+0x139/0x190 [ 101.585286] ? filemap_map_pages+0x577/0x19d0 [ 101.589864] ? __might_fault+0xdf/0x190 [ 101.594102] ? __kasan_check_read+0x11/0x20 [ 101.598526] ? lock_release+0x57c/0x920 [ 101.602496] ? lock_release+0x920/0x920 [ 101.606489] ? lock_downgrade+0x990/0x990 [ 101.610726] __sys_sendmmsg+0x1bf/0x4d0 [ 101.614934] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 101.619351] ? __mutex_unlock_slowpath+0xf0/0x640 [ 101.624396] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 101.630290] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 101.636349] ? fput+0x47/0x50 [ 101.639451] ? ksys_write+0x1d5/0x290 [ 101.643531] ? __ia32_sys_read+0xb0/0xb0 [ 101.647682] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 101.653503] ? syscall_enter_from_user_mode+0x1c/0x70 [ 101.659014] __x64_sys_sendmmsg+0x9d/0x100 [ 101.663374] ? syscall_enter_from_user_mode+0x21/0x70 [ 101.668772] do_syscall_64+0x40/0xb0 [ 101.672657] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.678323] RIP: 0033:0x45d939 [ 101.681527] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.701593] RSP: 002b:00007fea7a54b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 101.709578] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 101.716839] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 101.724203] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 101.731560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea7a54b6bc [ 101.739362] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 101.747082] CPU: 1 PID: 6191 Comm: syz-executor2 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 101.747420] dccp_parse_options: DCCP(000000003e244816): Option 38 (len=1) error=5 [ 101.757861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.757878] Call Trace: [ 101.757885] dump_stack+0x195/0x1f8 [ 101.781212] should_fail.cold+0x5/0xa [ 101.785074] __should_failslab+0xb7/0x100 [ 101.789252] should_failslab+0x9/0x20 [ 101.793084] kmem_cache_alloc_node+0x66/0x400 [ 101.797602] __alloc_skb+0x220/0x380 [ 101.801342] alloc_skb_with_frags+0x93/0x590 [ 101.805773] ? ip_local_out+0xe1/0x500 [ 101.809775] sock_alloc_send_pskb+0x840/0x9f0 [ 101.814567] ? __kasan_check_read+0x11/0x20 [ 101.818926] ? __kasan_check_read+0x11/0x20 [ 101.823286] ? sk_reset_timer+0xd0/0xd0 [ 101.827479] ? lock_downgrade+0x990/0x990 [ 101.832086] ? lock_downgrade+0x990/0x990 [ 101.836269] ? __local_bh_enable_ip+0x119/0x1f0 [ 101.841133] ? trace_hardirqs_on+0x6a/0x190 [ 101.845485] ? release_sock+0x15a/0x1c0 [ 101.849488] sock_alloc_send_skb+0x32/0x40 [ 101.854024] dccp_sendmsg+0x2a1/0xc30 [ 101.857224] FAULT_INJECTION: forcing a failure. [ 101.857224] name failslab, interval 1, probability 0, space 0, times 0 [ 101.857939] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.857968] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 101.881146] ? perf_trace_dccp_probe+0xf80/0xf80 [ 101.885992] inet_sendmsg+0x10f/0x140 [ 101.889963] ? inet_send_prepare+0x4f0/0x4f0 [ 101.894400] sock_sendmsg+0x140/0x190 [ 101.898283] ____sys_sendmsg+0x372/0x8f0 [ 101.902742] ? kernel_sendmsg+0x50/0x50 [ 101.906796] ? lock_page_memcg+0x483/0x650 [ 101.911304] ? finish_task_switch.isra.0+0x125/0x6c0 [ 101.916612] ? __kasan_check_read+0x11/0x20 [ 101.921107] ? lock_release+0x57c/0x920 [ 101.925270] ___sys_sendmsg+0x11d/0x190 [ 101.929798] ? sendmsg_copy_msghdr+0x170/0x170 [ 101.934488] ? _raw_spin_unlock_irq+0x23/0x70 [ 101.939175] ? trace_hardirqs_on+0x6a/0x190 [ 101.943688] ? _raw_spin_unlock_irq+0x23/0x70 [ 101.948639] ? finish_task_switch.isra.0+0x125/0x6c0 [ 101.954078] ? finish_task_switch.isra.0+0xef/0x6c0 [ 101.959177] ? __switch_to+0x437/0xf80 [ 101.963273] ? __switch_to_asm+0x42/0x70 [ 101.967531] ? __schedule+0xf52/0x2310 [ 101.971622] ? io_schedule_timeout+0x140/0x140 [ 101.976207] ? __kasan_check_read+0x11/0x20 [ 101.980706] __sys_sendmmsg+0x1bf/0x4d0 [ 101.984692] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 101.989106] ? lock_release+0x57c/0x920 [ 101.993083] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 101.999424] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 102.005159] ? fput+0x47/0x50 [ 102.008260] ? ksys_write+0x1d5/0x290 [ 102.012141] ? __ia32_sys_read+0xb0/0xb0 [ 102.016379] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 102.021391] ? syscall_enter_from_user_mode+0x1c/0x70 [ 102.026858] __x64_sys_sendmmsg+0x9d/0x100 [ 102.031175] ? syscall_enter_from_user_mode+0x21/0x70 [ 102.036361] do_syscall_64+0x40/0xb0 [ 102.040184] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 102.045369] RIP: 0033:0x45d939 [ 102.048563] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.068730] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 102.076612] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 102.084095] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 102.091358] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 102.098618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 102.105892] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 102.113341] CPU: 0 PID: 6192 Comm: syz-executor5 Tainted: G B 5.13.0-rc7-syzkaller #0 2021/06/23 19:52:09 executed programs: 58 [ 102.123074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.133329] Call Trace: [ 102.135921] dump_stack+0x195/0x1f8 [ 102.139568] should_fail.cold+0x5/0xa [ 102.143656] __should_failslab+0xb7/0x100 [ 102.148001] should_failslab+0x9/0x20 [ 102.151823] kmem_cache_alloc_trace+0x5f/0x3e0 [ 102.156523] dccp_feat_entry_new+0x1b6/0x3b0 [ 102.161134] dccp_feat_parse_options+0x1179/0x22a0 [ 102.166365] ? dccp_feat_server_ccid_dependencies+0x290/0x290 [ 102.172722] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 102.178394] ? dccp_ackvec_parsed_add+0x1c8/0x250 [ 102.183685] dccp_parse_options+0x9d4/0x11b0 [ 102.188222] ? __kasan_check_read+0x11/0x20 [ 102.192659] ? ccid2_change_l_ack_ratio+0xf0/0xf0 [ 102.197915] dccp_rcv_established+0x48/0x160 [ 102.202469] dccp_v4_do_rcv+0x13c/0x190 [ 102.206564] __release_sock+0x130/0x3b0 [ 102.211007] release_sock+0x59/0x1c0 [ 102.214845] dccp_sendmsg+0x684/0xc30 [ 102.218760] ? perf_trace_dccp_probe+0xf80/0xf80 [ 102.223633] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 102.229639] ? perf_trace_dccp_probe+0xf80/0xf80 [ 102.234419] inet_sendmsg+0x10f/0x140 [ 102.238797] ? inet_send_prepare+0x4f0/0x4f0 [ 102.243236] sock_sendmsg+0x140/0x190 [ 102.247228] ____sys_sendmsg+0x372/0x8f0 [ 102.252007] ? kernel_sendmsg+0x50/0x50 [ 102.256096] ? lock_page_memcg+0x483/0x650 [ 102.260368] ? filemap_map_pages+0x15c1/0x19d0 [ 102.265160] ? filemap_map_pages+0x54e/0x19d0 [ 102.270459] ? __kasan_check_read+0x11/0x20 [ 102.275158] ? lock_release+0x57c/0x920 [ 102.279174] ___sys_sendmsg+0x11d/0x190 [ 102.283873] ? sendmsg_copy_msghdr+0x170/0x170 [ 102.288566] ? lock_release+0x920/0x920 [ 102.292567] ? lock_release+0x920/0x920 [ 102.296633] ? lock_downgrade+0x990/0x990 [ 102.300189] FAULT_INJECTION: forcing a failure. [ 102.300189] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 102.301238] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 102.319399] ? _parse_integer+0x139/0x190 [ 102.323635] ? filemap_map_pages+0x577/0x19d0 [ 102.328122] ? __might_fault+0xdf/0x190 [ 102.332441] ? __kasan_check_read+0x11/0x20 [ 102.337121] ? lock_release+0x57c/0x920 [ 102.341314] ? lock_release+0x920/0x920 [ 102.345294] ? lock_downgrade+0x990/0x990 [ 102.349615] __sys_sendmmsg+0x1bf/0x4d0 [ 102.354467] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 102.358794] ? lock_release+0x57c/0x920 [ 102.362889] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 102.368705] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 102.374332] ? fput+0x47/0x50 [ 102.377434] ? ksys_write+0x1d5/0x290 [ 102.381244] ? __ia32_sys_read+0xb0/0xb0 [ 102.385481] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 102.390495] ? syscall_enter_from_user_mode+0x1c/0x70 [ 102.395779] __x64_sys_sendmmsg+0x9d/0x100 [ 102.400294] ? syscall_enter_from_user_mode+0x21/0x70 [ 102.405483] do_syscall_64+0x40/0xb0 [ 102.409277] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 102.414583] RIP: 0033:0x45d939 [ 102.417820] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.436905] RSP: 002b:00007fb17d5e8198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 102.444710] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 102.452306] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 102.459665] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 102.467408] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb17d5e86bc [ 102.476073] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 102.484456] CPU: 1 PID: 6212 Comm: syz-executor1 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 102.484810] dccp_parse_options: DCCP(00000000c530a0cd): Option 32 (len=7) error=9 [ 102.493828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.493841] Call Trace: [ 102.493847] dump_stack+0x195/0x1f8 [ 102.517793] should_fail.cold+0x5/0xa [ 102.521903] should_fail_alloc_page+0x50/0x60 [ 102.526777] prepare_alloc_pages+0x18d/0x550 [ 102.531223] ? kasan_save_stack+0x42/0x50 [ 102.535752] ? kasan_save_stack+0x23/0x50 [ 102.538435] FAULT_INJECTION: forcing a failure. [ 102.538435] name failslab, interval 1, probability 0, space 0, times 0 [ 102.540180] ? __kasan_slab_alloc+0x65/0x80 [ 102.557112] __alloc_pages+0x142/0x5a0 [ 102.562156] ? ___sys_sendmsg+0x11d/0x190 [ 102.566320] ? __sys_sendmmsg+0x1bf/0x4d0 [ 102.570917] ? __alloc_pages_slowpath.constprop.0+0x2480/0x2480 [ 102.577160] ? kmem_cache_free+0xe/0x20 [ 102.581219] ? kasan_save_stack+0x42/0x50 [ 102.586061] ? kasan_set_track+0x20/0x30 [ 102.590396] ? fs_reclaim_release+0xa9/0x100 [ 102.594996] ? __kasan_check_read+0x11/0x20 [ 102.600100] ? lock_release+0x57c/0x920 [ 102.604175] ? lock_release+0x920/0x920 [ 102.608247] cache_grow_begin+0x81/0x3d0 [ 102.612310] cache_alloc_refill+0x289/0x340 [ 102.616637] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 102.623059] kmem_cache_alloc_node_trace+0x3f4/0x420 [ 102.628281] __kmalloc_node_track_caller+0x3d/0x70 [ 102.633382] __alloc_skb+0xe4/0x380 [ 102.637200] alloc_skb_with_frags+0x93/0x590 [ 102.641696] ? trace_hardirqs_on+0x6a/0x190 [ 102.646067] sock_alloc_send_pskb+0x840/0x9f0 [ 102.651198] ? __kasan_check_read+0x11/0x20 [ 102.655912] ? __kasan_check_read+0x11/0x20 [ 102.660681] ? sk_reset_timer+0xd0/0xd0 [ 102.664755] ? lock_downgrade+0x990/0x990 [ 102.669275] ? lock_downgrade+0x990/0x990 [ 102.673523] ? __local_bh_enable_ip+0x119/0x1f0 [ 102.678216] ? trace_hardirqs_on+0x6a/0x190 [ 102.682565] ? release_sock+0x15a/0x1c0 [ 102.686537] sock_alloc_send_skb+0x32/0x40 [ 102.691064] dccp_sendmsg+0x2a1/0xc30 [ 102.694971] ? perf_trace_dccp_probe+0xf80/0xf80 [ 102.699829] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 102.705626] ? perf_trace_dccp_probe+0xf80/0xf80 [ 102.710464] inet_sendmsg+0x10f/0x140 [ 102.714536] ? inet_send_prepare+0x4f0/0x4f0 [ 102.718939] sock_sendmsg+0x140/0x190 [ 102.723131] ____sys_sendmsg+0x372/0x8f0 [ 102.727280] ? kernel_sendmsg+0x50/0x50 [ 102.731292] ? lock_page_memcg+0x483/0x650 [ 102.735814] ? filemap_map_pages+0x15c1/0x19d0 [ 102.740805] ? filemap_map_pages+0x54e/0x19d0 [ 102.745380] ? __kasan_check_read+0x11/0x20 [ 102.749825] ? lock_release+0x57c/0x920 [ 102.754060] ___sys_sendmsg+0x11d/0x190 [ 102.758035] ? sendmsg_copy_msghdr+0x170/0x170 [ 102.763146] ? lock_release+0x920/0x920 [ 102.767319] ? lock_release+0x920/0x920 [ 102.771397] ? lock_downgrade+0x990/0x990 [ 102.775552] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 102.781281] ? _parse_integer+0x139/0x190 [ 102.785436] ? filemap_map_pages+0x577/0x19d0 [ 102.789940] ? __might_fault+0xdf/0x190 [ 102.793926] ? __kasan_check_read+0x11/0x20 [ 102.798380] ? lock_release+0x57c/0x920 [ 102.802457] ? lock_release+0x920/0x920 [ 102.806438] ? lock_downgrade+0x990/0x990 [ 102.810594] __sys_sendmmsg+0x1bf/0x4d0 [ 102.814691] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 102.819292] ? _raw_spin_unlock_irq+0x23/0x70 [ 102.823920] ? trace_hardirqs_on+0x6a/0x190 [ 102.828697] ? __switch_to+0x437/0xf80 [ 102.832675] ? __schedule+0xf52/0x2310 [ 102.836574] ? copy_kernel_to_fpregs+0xa5/0xe0 [ 102.841185] ? copy_init_fpstate_to_fpregs+0xc0/0xc0 [ 102.846289] ? __kasan_check_write+0x14/0x20 [ 102.850712] ? syscall_enter_from_user_mode+0x1c/0x70 [ 102.856709] __x64_sys_sendmmsg+0x9d/0x100 [ 102.861151] ? syscall_enter_from_user_mode+0x21/0x70 [ 102.866876] do_syscall_64+0x40/0xb0 [ 102.870948] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 102.876403] RIP: 0033:0x45d939 [ 102.879605] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.899353] RSP: 002b:00007f195e3c1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 102.907240] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 102.914765] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 102.922124] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 102.929842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f195e3c16bc [ 102.937206] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 102.944648] CPU: 0 PID: 6214 Comm: syz-executor2 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 102.954551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.964263] Call Trace: [ 102.966937] dump_stack+0x195/0x1f8 [ 102.971125] should_fail.cold+0x5/0xa [ 102.974973] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 102.980715] __should_failslab+0xb7/0x100 [ 102.984888] should_failslab+0x9/0x20 [ 102.988784] kmem_cache_alloc_node_trace+0x6c/0x420 [ 102.993825] __kmalloc_node_track_caller+0x3d/0x70 [ 103.000347] __alloc_skb+0xe4/0x380 [ 103.004064] alloc_skb_with_frags+0x93/0x590 [ 103.009101] ? ip_local_out+0xe1/0x500 [ 103.013130] sock_alloc_send_pskb+0x840/0x9f0 [ 103.017770] ? __kasan_check_read+0x11/0x20 [ 103.022934] ? __kasan_check_read+0x11/0x20 [ 103.027388] ? sk_reset_timer+0xd0/0xd0 [ 103.031921] ? lock_downgrade+0x990/0x990 [ 103.036189] ? lock_downgrade+0x990/0x990 [ 103.040369] ? __local_bh_enable_ip+0x119/0x1f0 [ 103.045445] ? trace_hardirqs_on+0x6a/0x190 [ 103.050084] ? release_sock+0x15a/0x1c0 [ 103.054193] sock_alloc_send_skb+0x32/0x40 [ 103.059154] dccp_sendmsg+0x2a1/0xc30 [ 103.063329] ? perf_trace_dccp_probe+0xf80/0xf80 [ 103.068326] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 103.074108] ? perf_trace_dccp_probe+0xf80/0xf80 [ 103.079290] inet_sendmsg+0x10f/0x140 [ 103.083319] ? inet_send_prepare+0x4f0/0x4f0 [ 103.088175] sock_sendmsg+0x140/0x190 [ 103.089386] FAULT_INJECTION: forcing a failure. [ 103.089386] name failslab, interval 1, probability 0, space 0, times 0 [ 103.092172] ____sys_sendmsg+0x372/0x8f0 [ 103.092200] ? kernel_sendmsg+0x50/0x50 [ 103.092220] ? lock_page_memcg+0x483/0x650 [ 103.116095] ? filemap_map_pages+0x15c1/0x19d0 [ 103.120673] ? filemap_map_pages+0x54e/0x19d0 [ 103.125160] ? __kasan_check_read+0x11/0x20 [ 103.129886] ? lock_release+0x57c/0x920 [ 103.134744] ___sys_sendmsg+0x11d/0x190 [ 103.138755] ? sendmsg_copy_msghdr+0x170/0x170 [ 103.143429] ? lock_release+0x920/0x920 [ 103.147601] ? lock_release+0x920/0x920 [ 103.151860] ? lock_downgrade+0x990/0x990 [ 103.156277] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 103.162355] ? _parse_integer+0x139/0x190 [ 103.166979] ? filemap_map_pages+0x577/0x19d0 [ 103.171658] ? __might_fault+0xdf/0x190 [ 103.175912] ? __kasan_check_read+0x11/0x20 [ 103.180494] ? lock_release+0x57c/0x920 [ 103.184625] ? lock_release+0x920/0x920 [ 103.188593] ? lock_downgrade+0x990/0x990 [ 103.192741] __sys_sendmmsg+0x1bf/0x4d0 [ 103.196757] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 103.201160] ? lock_release+0x57c/0x920 [ 103.205134] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 103.210682] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 103.216220] ? fput+0x47/0x50 [ 103.219514] ? ksys_write+0x1d5/0x290 [ 103.224034] ? __ia32_sys_read+0xb0/0xb0 [ 103.228185] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 103.233464] ? syscall_enter_from_user_mode+0x1c/0x70 [ 103.238855] __x64_sys_sendmmsg+0x9d/0x100 [ 103.243193] ? syscall_enter_from_user_mode+0x21/0x70 [ 103.248709] do_syscall_64+0x40/0xb0 [ 103.252588] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 103.258058] RIP: 0033:0x45d939 [ 103.261328] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 103.281035] RSP: 002b:00007f52926bf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 103.288918] RAX: ffffffffffffffda RBX: 000000000051bea0 RCX: 000000000045d939 [ 103.296447] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 103.303760] RBP: 000000000000057a R08: 0000000000000000 R09: 0000000000000000 [ 103.311035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52926bf6bc [ 103.318302] R13: 00000000004e4120 R14: 0000000000000006 R15: 0000000000000000 [ 103.325656] CPU: 1 PID: 6230 Comm: syz-executor1 Tainted: G B 5.13.0-rc7-syzkaller #0 [ 103.335319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.345386] Call Trace: [ 103.348057] dump_stack+0x195/0x1f8 [ 103.351802] should_fail.cold+0x5/0xa [ 103.355784] __should_failslab+0xb7/0x100 [ 103.360076] should_failslab+0x9/0x20 [ 103.364249] kmem_cache_alloc_node+0x66/0x400 [ 103.368766] __alloc_skb+0x220/0x380 [ 103.372956] alloc_skb_with_frags+0x93/0x590 [ 103.377395] ? ip_local_out+0xe1/0x500 [ 103.381310] sock_alloc_send_pskb+0x840/0x9f0 [ 103.386105] ? __kasan_check_read+0x11/0x20 [ 103.390458] ? __kasan_check_read+0x11/0x20 [ 103.394806] ? sk_reset_timer+0xd0/0xd0 [ 103.398912] ? lock_downgrade+0x990/0x990 [ 103.403320] ? lock_downgrade+0x990/0x990 [ 103.407805] ? __local_bh_enable_ip+0x119/0x1f0 [ 103.412570] ? trace_hardirqs_on+0x6a/0x190 [ 103.417110] ? release_sock+0x15a/0x1c0 [ 103.421339] sock_alloc_send_skb+0x32/0x40 [ 103.425726] dccp_sendmsg+0x2a1/0xc30 [ 103.430000] ? perf_trace_dccp_probe+0xf80/0xf80 [ 103.434805] ? __sanitizer_cov_trace_const_cmp2+0x20/0x80 [ 103.440382] ? perf_trace_dccp_probe+0xf80/0xf80 [ 103.445170] inet_sendmsg+0x10f/0x140 [ 103.449432] ? inet_send_prepare+0x4f0/0x4f0 [ 103.453224] FAULT_INJECTION: forcing a failure. [ 103.453224] name failslab, interval 1, probability 0, space 0, times 0 [ 103.454212] sock_sendmsg+0x140/0x190 [ 103.454240] ____sys_sendmsg+0x372/0x8f0 [ 103.454261] ? kernel_sendmsg+0x50/0x50 [ 103.454280] ? lock_page_memcg+0x483/0x650 [ 103.483710] ? finish_task_switch.isra.0+0x125/0x6c0 [ 103.488926] ? __kasan_check_read+0x11/0x20 [ 103.493261] ? lock_release+0x57c/0x920 [ 103.497439] ___sys_sendmsg+0x11d/0x190 [ 103.501520] ? sendmsg_copy_msghdr+0x170/0x170 [ 103.506132] ? _raw_spin_unlock_irq+0x23/0x70 [ 103.510626] ? trace_hardirqs_on+0x6a/0x190 [ 103.515036] ? __kasan_check_write+0x14/0x20 [ 103.519530] ? finish_task_switch.isra.0+0x1bf/0x6c0 [ 103.524819] ? __switch_to+0x437/0xf80 [ 103.528993] ? __switch_to_asm+0x42/0x70 [ 103.533259] ? __schedule+0xf52/0x2310 [ 103.537605] ? io_schedule_timeout+0x140/0x140 [ 103.542295] ? __kasan_check_read+0x11/0x20 [ 103.546901] __sys_sendmmsg+0x1bf/0x4d0 [ 103.551026] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 103.556320] ? lock_release+0x57c/0x920 [ 103.560320] ? __sanitizer_cov_trace_const_cmp4+0x24/0x80 [ 103.566128] ? __sanitizer_cov_trace_const_cmp1+0x20/0x80 [ 103.571931] ? fput+0x47/0x50 [ 103.575039] ? ksys_write+0x1d5/0x290 [ 103.578950] ? __ia32_sys_read+0xb0/0xb0 [ 103.583006] ? __sanitizer_cov_trace_cmp4+0x24/0x80 [ 103.588130] ? syscall_enter_from_user_mode+0x1c/0x70 [ 103.593415] __x64_sys_sendmmsg+0x9d/0x100 [ 103.597764] ? syscall_enter_from_user_mode+0x21/0x70 [ 103.602952] do_syscall_64+0x40/0xb0 [ 103.606764] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 103.611955] RIP: 0033:0x45d939 [ 103.615229] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48