Warning: Permanently added '10.128.10.1' (ED25519) to the list of known hosts. [ 39.791766][ T4025] chnl_net:caif_netlink_parms(): no params data found [ 39.830527][ T4025] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.832662][ T4025] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.835778][ T4025] device bridge_slave_0 entered promiscuous mode [ 39.840416][ T4025] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.842490][ T4025] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.845498][ T4025] device bridge_slave_1 entered promiscuous mode [ 39.861417][ T4025] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.866197][ T4025] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.883223][ T4025] team0: Port device team_slave_0 added [ 39.886950][ T4025] team0: Port device team_slave_1 added [ 39.899874][ T4025] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.901814][ T4025] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.908954][ T4025] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.913655][ T4025] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.915913][ T4025] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.922820][ T4025] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.996351][ T4025] device hsr_slave_0 entered promiscuous mode [ 40.034487][ T4025] device hsr_slave_1 entered promiscuous mode [ 40.147483][ T4025] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.197037][ T4025] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.246979][ T4025] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.296498][ T4025] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.373710][ T4025] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.375745][ T4025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.378091][ T4025] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.380010][ T4025] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.418128][ T4025] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.427470][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.431842][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.435575][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.438609][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.445874][ T4025] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.452565][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.456575][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.458500][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.465074][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.467666][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.469580][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.483139][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.487554][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.496286][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.502156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.509105][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.513878][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.527232][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.529496][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.537574][ T4025] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.550847][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.562765][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.567320][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.569937][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.574429][ T4025] device veth0_vlan entered promiscuous mode [ 40.582016][ T4025] device veth1_vlan entered promiscuous mode [ 40.597407][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.600194][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.603311][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.610467][ T4025] device veth0_macvtap entered promiscuous mode [ 40.616219][ T4025] device veth1_macvtap entered promiscuous mode [ 40.628401][ T4025] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.630815][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.636210][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.643355][ T4025] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.645970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.651329][ T4025] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.653808][ T4025] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.656531][ T4025] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.659031][ T4025] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 40.708936][ T4025] [ 40.709628][ T4025] ====================================================== [ 40.711484][ T4025] WARNING: possible circular locking dependency detected [ 40.713388][ T4025] 5.15.182-syzkaller #0 Not tainted [ 40.714710][ T4025] ------------------------------------------------------ [ 40.716490][ T4025] syz-executor149/4025 is trying to acquire lock: [ 40.718211][ T4025] ffff0000c8451450 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 40.721300][ T4025] [ 40.721300][ T4025] but task is already holding lock: [ 40.723261][ T4025] ffff0000c8450120 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x1f4/0x568 [ 40.725619][ T4025] [ 40.725619][ T4025] which lock already depends on the new lock. [ 40.725619][ T4025] [ 40.728300][ T4025] [ 40.728300][ T4025] the existing dependency chain (in reverse order) is: [ 40.730787][ T4025] [ 40.730787][ T4025] -> #1 (sk_lock-AF_SMC/1){+.+.}-{0:0}: [ 40.732879][ T4025] lock_sock_nested+0xd8/0x1d4 [ 40.734271][ T4025] smc_listen_out+0x11c/0x3e8 [ 40.735582][ T4025] smc_listen_work+0x1d0/0xd2c [ 40.736937][ T4025] process_one_work+0x79c/0x1140 [ 40.738269][ T4025] worker_thread+0x8f4/0x101c [ 40.739617][ T4025] kthread+0x374/0x454 [ 40.740790][ T4025] ret_from_fork+0x10/0x20 [ 40.742048][ T4025] [ 40.742048][ T4025] -> #0 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}: [ 40.744639][ T4025] __lock_acquire+0x2928/0x651c [ 40.745993][ T4025] lock_acquire+0x1f4/0x620 [ 40.747260][ T4025] __flush_work+0xf4/0x1bc [ 40.748546][ T4025] __cancel_work_timer+0x2ec/0x448 [ 40.749945][ T4025] cancel_work_sync+0x24/0x38 [ 40.751352][ T4025] smc_clcsock_release+0x64/0xe8 [ 40.752867][ T4025] __smc_release+0x3bc/0x530 [ 40.754288][ T4025] smc_close_non_accepted+0xdc/0x298 [ 40.755893][ T4025] smc_close_active+0x890/0xc20 [ 40.757391][ T4025] __smc_release+0x2dc/0x530 [ 40.758745][ T4025] smc_release+0x264/0x568 [ 40.760168][ T4025] sock_close+0xb4/0x1f8 [ 40.761489][ T4025] __fput+0x1c0/0x7f8 [ 40.762730][ T4025] ____fput+0x20/0x30 [ 40.763904][ T4025] task_work_run+0x12c/0x1e0 [ 40.765327][ T4025] do_exit+0x67c/0x1f58 [ 40.766644][ T4025] do_group_exit+0x100/0x268 [ 40.768011][ T4025] __wake_up_parent+0x0/0x60 [ 40.769478][ T4025] invoke_syscall+0x98/0x2b8 [ 40.770874][ T4025] el0_svc_common+0x138/0x258 [ 40.772352][ T4025] do_el0_svc+0x58/0x14c [ 40.773637][ T4025] el0_svc+0x78/0x1e0 [ 40.774876][ T4025] el0t_64_sync_handler+0xcc/0xe4 [ 40.776432][ T4025] el0t_64_sync+0x1a0/0x1a4 [ 40.777749][ T4025] [ 40.777749][ T4025] other info that might help us debug this: [ 40.777749][ T4025] [ 40.780510][ T4025] Possible unsafe locking scenario: [ 40.780510][ T4025] [ 40.782546][ T4025] CPU0 CPU1 [ 40.784049][ T4025] ---- ---- [ 40.785477][ T4025] lock(sk_lock-AF_SMC/1); [ 40.786663][ T4025] lock((work_completion)(&new_smc->smc_listen_work)); [ 40.789316][ T4025] lock(sk_lock-AF_SMC/1); [ 40.791151][ T4025] lock((work_completion)(&new_smc->smc_listen_work)); [ 40.793142][ T4025] [ 40.793142][ T4025] *** DEADLOCK *** [ 40.793142][ T4025] [ 40.795368][ T4025] 2 locks held by syz-executor149/4025: [ 40.796870][ T4025] #0: ffff0000e209d010 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x7c/0x1f8 [ 40.799617][ T4025] #1: ffff0000c8450120 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x1f4/0x568 [ 40.802142][ T4025] [ 40.802142][ T4025] stack backtrace: [ 40.803709][ T4025] CPU: 0 PID: 4025 Comm: syz-executor149 Not tainted 5.15.182-syzkaller #0 [ 40.806191][ T4025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 40.808877][ T4025] Call trace: [ 40.809744][ T4025] dump_backtrace+0x0/0x43c [ 40.810987][ T4025] show_stack+0x2c/0x3c [ 40.812113][ T4025] __dump_stack+0x30/0x40 [ 40.813314][ T4025] dump_stack_lvl+0xf8/0x160 [ 40.814562][ T4025] dump_stack+0x1c/0x5c [ 40.815690][ T4025] print_circular_bug+0x148/0x1b0 [ 40.817064][ T4025] check_noncircular+0x240/0x2d4 [ 40.818408][ T4025] __lock_acquire+0x2928/0x651c [ 40.819726][ T4025] lock_acquire+0x1f4/0x620 [ 40.820968][ T4025] __flush_work+0xf4/0x1bc [ 40.822145][ T4025] __cancel_work_timer+0x2ec/0x448 [ 40.823574][ T4025] cancel_work_sync+0x24/0x38 [ 40.824818][ T4025] smc_clcsock_release+0x64/0xe8 [ 40.826148][ T4025] __smc_release+0x3bc/0x530 [ 40.827376][ T4025] smc_close_non_accepted+0xdc/0x298 [ 40.828785][ T4025] smc_close_active+0x890/0xc20 [ 40.830098][ T4025] __smc_release+0x2dc/0x530 [ 40.831348][ T4025] smc_release+0x264/0x568 [ 40.832557][ T4025] sock_close+0xb4/0x1f8 [ 40.833794][ T4025] __fput+0x1c0/0x7f8 [ 40.834876][ T4025] ____fput+0x20/0x30 [ 40.835947][ T4025] task_work_run+0x12c/0x1e0 [ 40.837183][ T4025] do_exit+0x67c/0x1f58 [ 40.838322][ T4025] do_group_exit+0x100/0x268 [ 40.839546][ T4025] __wake_up_parent+0x0/0x60 [ 40.840781][ T4025] invoke_syscall+0x98/0x2b8 [ 40.842046][ T4025] el0_svc_common+0x138/0x258 [ 40.843280][ T4025] do_el0_svc+0x58/0x14c [ 40.844419][ T4025] el0_svc+0x78/0x1e0 [ 40.845491][ T4025] el0t_64_sync_handler+0xcc/0xe4 [ 40.846841][ T4025] el0t_64_sync+0x1a0/0x1a4