forked to background, child pid 5841 [ 13.900718][ T5842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 13.910698][ T5842] eql: remember to turn off Van-Jacobson compression on your slave devices [ 13.952845][ T40] gve 0000:00:00.0 enp0s0: Device link is up. Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.254' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 60.147395][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [syz-executor227:7772] [ 60.150220][ C0] Modules linked in: [ 60.151224][ C0] irq event stamp: 5373 [ 60.152272][ C0] hardirqs last enabled at (5372): [] exit_to_kernel_mode+0xdc/0x10c [ 60.154770][ C0] hardirqs last disabled at (5373): [] el1_interrupt+0x24/0x68 [ 60.157123][ C0] softirqs last enabled at (542): [] release_sock+0x154/0x1b8 [ 60.159529][ C0] softirqs last disabled at (548): [] lock_sock_nested+0x74/0x11c [ 60.161903][ C0] CPU: 0 PID: 7772 Comm: syz-executor227 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 60.164435][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 60.166983][ C0] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 60.168936][ C0] pc : queued_spin_lock_slowpath+0x15c/0xcf8 [ 60.170479][ C0] lr : queued_spin_lock_slowpath+0x168/0xcf8 [ 60.172029][ C0] sp : ffff800097ca76c0 [ 60.173083][ C0] x29: ffff800097ca7760 x28: 1fffe00018e1be6b x27: 1ffff00012f94ee4 [ 60.175093][ C0] x26: dfff800000000000 x25: 1fffe00018e1be6d x24: ffff800097ca76e0 [ 60.177167][ C0] x23: ffff800097ca7720 x22: ffff700012f94edc x21: 0000000000000001 [ 60.179199][ C0] x20: 0000000000000001 x19: ffff0000c70df358 x18: 0000000000000000 [ 60.181251][ C0] x17: 0000000000000000 x16: ffff8000809fd934 x15: 0000000000000001 [ 60.183311][ C0] x14: 1fffe00018e1be6b x13: 0000000000000000 x12: 0000000000000000 [ 60.185355][ C0] x11: ffff600018e1be6c x10: 1fffe00018e1be6b x9 : 0000000000000000 [ 60.187451][ C0] x8 : 0000000000000001 x7 : ffff800088eaf8bc x6 : 0000000000000000 [ 60.189460][ C0] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008ae5db50 [ 60.191545][ C0] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000001 [ 60.193610][ C0] Call trace: [ 60.194440][ C0] queued_spin_lock_slowpath+0x15c/0xcf8 [ 60.195850][ C0] do_raw_spin_lock+0x320/0x348 [ 60.197120][ C0] _raw_spin_lock_bh+0x50/0x60 [ 60.198371][ C0] lock_sock_nested+0x74/0x11c [ 60.199608][ C0] tipc_sendstream+0x50/0x84 [ 60.200779][ C0] ____sys_sendmsg+0x56c/0x840 [ 60.201966][ C0] __sys_sendmsg+0x26c/0x33c [ 60.203157][ C0] __arm64_sys_sendmsg+0x80/0x94 [ 60.204428][ C0] invoke_syscall+0x98/0x2b8 [ 60.205626][ C0] el0_svc_common+0x130/0x23c [ 60.206818][ C0] do_el0_svc+0x48/0x58 [ 60.207894][ C0] el0_svc+0x54/0x168 [ 60.208942][ C0] el0t_64_sync_handler+0x84/0xfc [ 60.210232][ C0] el0t_64_sync+0x190/0x194 [ 60.211403][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 60.211402][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 27s! [syz-executor227:7773] [ 60.211414][ C1] Modules linked in: [ 60.211420][ C1] irq event stamp: 31251941 [ 60.211423][ C1] hardirqs last enabled at (31251940): [] __local_bh_enable_ip+0x224/0x44c [ 60.211443][ C1] hardirqs last disabled at (31251941): [] el1_interrupt+0x24/0x68 [ 60.211456][ C1] softirqs last enabled at (74): [] tipc_sk_rcv+0x34c/0x1888 [ 60.211469][ C1] softirqs last disabled at (76): [] tipc_sk_rcv+0x36c/0x1888 [ 60.211482][ C1] CPU: 1 PID: 7773 Comm: syz-executor227 Tainted: G L 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 60.211493][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 60.211500][ C1] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 60.211511][ C1] pc : lock_acquire+0x278/0x71c [ 60.211521][ C1] lr : lock_acquire+0x248/0x71c [ 60.211529][ C1] sp : ffff800097cf5e80 [ 60.211533][ C1] x29: ffff800097cf5f80 x28: dfff800000000000 x27: ffff700012f9ebdc [ 60.211548][ C1] x26: ffff0001b4021dc0 x25: ffff80008ee74ac0 x24: 0000000000000000 [ 60.211562][ C1] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 [ 60.211575][ C1] x20: ffff80008ebebdc0 x19: ffff0001b4021dc0 x18: ffff800097cf6100 [ 60.211590][ C1] x17: 000000000000c583 x16: ffff80008ad6b1c0 x15: 0000000000000001 [ 60.211603][ C1] x14: ffff80008eca0458 x13: dfff800000000000 x12: 0000000060f79a6f [ 60.211617][ C1] x11: 000000007a7dcd55 x10: 0000000000000003 x9 : 0000000000000000 [ 60.211630][ C1] x8 : 00000000000000c0 x7 : ffff80008a80b3f8 x6 : 0000000000000000 [ 60.211644][ C1] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 [ 60.211656][ C1] x2 : 0000000000000008 x1 : ffff80008aedfba0 x0 : 0000000000000001 [ 60.211670][ C1] Call trace: [ 60.211672][ C1] lock_acquire+0x278/0x71c [ 60.211681][ C1] rcu_lock_acquire+0x40/0x4c [ 60.211690][ C1] net_generic+0x28/0x240 [ 60.211698][ C1] tipc_sk_lookup+0xbc/0x8b4 [ 60.211706][ C1] tipc_sk_rcv+0x358/0x1888 [ 60.211714][ C1] tipc_node_xmit+0x1b0/0xdb0 [ 60.211722][ C1] tipc_node_distr_xmit+0x28c/0x3a4 [ 60.211730][ C1] tipc_sk_rcv+0x1280/0x1888 [ 60.211738][ C1] tipc_node_xmit+0x1b0/0xdb0 [ 60.211746][ C1] tipc_sk_push_backlog+0x3b0/0x74c [ 60.211755][ C1] tipc_sk_proto_rcv+0x838/0x1520 [ 60.211764][ C1] tipc_sk_filter_rcv+0x29c0/0x2cac [ 60.211773][ C1] tipc_sk_rcv+0x6d0/0x1888 [ 60.211781][ C1] tipc_node_xmit+0x1b0/0xdb0 [ 60.211789][ C1] tipc_node_distr_xmit+0x28c/0x3a4 [ 60.211797][ C1] tipc_sk_backlog_rcv+0x164/0x214 [ 60.211806][ C1] __release_sock+0x1a8/0x408 [ 60.211814][ C1] release_sock+0x68/0x1b8 [ 60.211825][ C1] sk_setsockopt+0xbdc/0x306c [ 60.211833][ C1] sock_setsockopt+0x68/0x80 [ 60.211840][ C1] do_sock_setsockopt+0x238/0x4e0 [ 60.211850][ C1] __sys_setsockopt+0x128/0x1a8 [ 60.211859][ C1] __arm64_sys_setsockopt+0xb8/0xd4 [ 60.211869][ C1] invoke_syscall+0x98/0x2b8 [ 60.211877][ C1] el0_svc_common+0x130/0x23c [ 60.211884][ C1] do_el0_svc+0x48/0x58 [ 60.211894][ C1] el0_svc+0x54/0x168 [ 60.211902][ C1] el0t_64_sync_handler+0x84/0xfc [ 60.211911][ C1] el0t_64_sync+0x190/0x194 [ 60.293653][ C0] CPU: 0 PID: 7772 Comm: syz-executor227 Tainted: G L 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 60.296525][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 60.299077][ C0] Call trace: [ 60.299885][ C0] dump_backtrace+0x1b8/0x1e4 [ 60.301091][ C0] show_stack+0x2c/0x3c [ 60.302109][ C0] dump_stack_lvl+0xd0/0x124 [ 60.303247][ C0] dump_stack+0x1c/0x28 [ 60.304357][ C0] panic+0x30c/0x88c [ 60.305340][ C0] softlockup_fn+0x0/0x120 [ 60.306458][ C0] __hrtimer_run_queues+0x458/0xca0 [ 60.307783][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 60.309090][ C0] arch_timer_handler_virt+0x74/0x88 [ 60.310449][ C0] handle_percpu_devid_irq+0x2a4/0x804 [ 60.311840][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 60.313233][ C0] gic_handle_irq+0x6c/0x190 [ 60.314400][ C0] call_on_irq_stack+0x24/0x4c [ 60.315588][ C0] do_interrupt_handler+0xd4/0x138 [ 60.316865][ C0] el1_interrupt+0x34/0x68 [ 60.317967][ C0] el1h_64_irq_handler+0x18/0x24 [ 60.319232][ C0] el1h_64_irq+0x64/0x68 [ 60.320354][ C0] queued_spin_lock_slowpath+0x15c/0xcf8 [ 60.321747][ C0] do_raw_spin_lock+0x320/0x348 [ 60.322950][ C0] _raw_spin_lock_bh+0x50/0x60 [ 60.324155][ C0] lock_sock_nested+0x74/0x11c [ 60.325326][ C0] tipc_sendstream+0x50/0x84 [ 60.326485][ C0] ____sys_sendmsg+0x56c/0x840 [ 60.327728][ C0] __sys_sendmsg+0x26c/0x33c [ 60.328881][ C0] __arm64_sys_sendmsg+0x80/0x94 [ 60.330200][ C0] invoke_syscall+0x98/0x2b8 [ 60.331359][ C0] el0_svc_common+0x130/0x23c [ 60.332563][ C0] do_el0_svc+0x48/0x58 [ 60.333625][ C0] el0_svc+0x54/0x168 [ 60.334675][ C0] el0t_64_sync_handler+0x84/0xfc [ 60.335935][ C0] el0t_64_sync+0x190/0x194 [ 60.337127][ C0] Kernel Offset: disabled [ 60.338283][ C0] CPU features: 0x0,00000081,c0080094,42017203 [ 60.339889][ C0] Memory Limit: none [ 60.353257][ C0] [ 60.353916][ C0] ================================ [ 60.355206][ C0] WARNING: inconsistent lock state [ 60.356444][ C0] 6.8.0-rc7-syzkaller-g707081b61156 #0 Tainted: G L [ 60.358565][ C0] -------------------------------- [ 60.359929][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 60.361640][ C0] syz-executor227/7772 [HC1[1]:SC0[2]:HE0:SE0] takes: [ 60.363460][ C0] ffff80008ecda358 (efi_rt_lock){?.+.}-{2:2}, at: arch_efi_call_virt_setup+0x24/0x30 [ 60.365916][ C0] {HARDIRQ-ON-W} state was registered at: [ 60.367294][ C0] lock_acquire+0x23c/0x71c [ 60.368551][ C0] _raw_spin_lock+0x48/0x60 [ 60.369736][ C0] arch_efi_call_virt_setup+0x24/0x30 [ 60.371122][ C0] efi_call_rts+0x30/0x350 [ 60.372316][ C0] process_one_work+0x694/0x1204 [ 60.373646][ C0] worker_thread+0x938/0xef4 [ 60.374887][ C0] kthread+0x288/0x310 [ 60.375946][ C0] ret_from_fork+0x10/0x20 [ 60.377037][ C0] irq event stamp: 5373 [ 60.378102][ C0] hardirqs last enabled at (5372): [] exit_to_kernel_mode+0xdc/0x10c [ 60.380622][ C0] hardirqs last disabled at (5373): [] el1_interrupt+0x24/0x68 [ 60.382953][ C0] softirqs last enabled at (542): [] release_sock+0x154/0x1b8 [ 60.385382][ C0] softirqs last disabled at (548): [] lock_sock_nested+0x74/0x11c [ 60.387829][ C0] [ 60.387829][ C0] other info that might help us debug this: [ 60.389890][ C0] Possible unsafe locking scenario: [ 60.389890][ C0] [ 60.391857][ C0] CPU0 [ 60.392629][ C0] ---- [ 60.393450][ C0] lock(efi_rt_lock); [ 60.394476][ C0] [ 60.395338][ C0] lock(efi_rt_lock); [ 60.396435][ C0] [ 60.396435][ C0] *** DEADLOCK *** [ 60.396435][ C0] [ 60.398501][ C0] 4 locks held by syz-executor227/7772: [ 60.399955][ C0] #0: ffff0000c70df3f0 (sk_lock-AF_TIPC){+.+.}-{0:0}, at: tipc_sendstream+0x50/0x84 [ 60.402457][ C0] #1: ffff0000c70df370 (slock-AF_TIPC){+...}-{2:2}, at: lock_sock_nested+0x74/0x11c [ 60.404929][ C0] #2: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0xa8 [ 60.407407][ C0] #3: ffff800091229d68 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x180/0xad0 [ 60.409978][ C0] [ 60.409978][ C0] stack backtrace: [ 60.411514][ C0] CPU: 0 PID: 7772 Comm: syz-executor227 Tainted: G L 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 60.414474][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 60.417068][ C0] Call trace: [ 60.417932][ C0] dump_backtrace+0x1b8/0x1e4 [ 60.419175][ C0] show_stack+0x2c/0x3c [ 60.420265][ C0] dump_stack_lvl+0xd0/0x124 [ 60.421497][ C0] dump_stack+0x1c/0x28 [ 60.422570][ C0] print_usage_bug+0x698/0x9ac [ 60.423798][ C0] mark_lock_irq+0x980/0xd2c [ 60.424979][ C0] mark_lock+0x258/0x360 [ 60.425991][ C0] __lock_acquire+0xbc0/0x763c [ 60.427322][ C0] lock_acquire+0x23c/0x71c [ 60.428537][ C0] _raw_spin_lock+0x48/0x60 [ 60.429703][ C0] arch_efi_call_virt_setup+0x24/0x30 [ 60.431118][ C0] virt_efi_set_variable_nb+0x6c/0x15c [ 60.432510][ C0] efivar_set_variable_locked+0x1e4/0x20c [ 60.434003][ C0] efi_pstore_write+0x424/0x64c [ 60.435285][ C0] pstore_dump+0x764/0xad0 [ 60.436504][ C0] kmsg_dump+0x17c/0x274 [ 60.437607][ C0] panic+0x358/0x88c [ 60.438595][ C0] softlockup_fn+0x0/0x120 [ 60.439734][ C0] __hrtimer_run_queues+0x458/0xca0 [ 60.441064][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 60.442321][ C0] arch_timer_handler_virt+0x74/0x88 [ 60.443727][ C0] handle_percpu_devid_irq+0x2a4/0x804 [ 60.445128][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 60.446508][ C0] gic_handle_irq+0x6c/0x190 [ 60.447663][ C0] call_on_irq_stack+0x24/0x4c [ 60.448869][ C0] do_interrupt_handler+0xd4/0x138 [ 60.450187][ C0] el1_interrupt+0x34/0x68 [ 60.451312][ C0] el1h_64_irq_handler+0x18/0x24 [ 60.452587][ C0] el1h_64_irq+0x64/0x68 [ 60.453702][ C0] queued_spin_lock_slowpath+0x15c/0xcf8 [ 60.455122][ C0] do_raw_spin_lock+0x320/0x348 [ 60.456407][ C0] _raw_spin_lock_bh+0x50/0x60 [ 60.457603][ C0] lock_sock_nested+0x74/0x11c [ 60.458835][ C0] tipc_sendstream+0x50/0x84 [ 60.460058][ C0] ____sys_sendmsg+0x56c/0x840 [ 60.461288][ C0] __sys_sendmsg+0x26c/0x33c [ 60.462429][ C0] __arm64_sys_sendmsg+0x80/0x94 [ 60.463728][ C0] invoke_syscall+0x98/0x2b8 [ 60.464901][ C0] el0_svc_common+0x130/0x23c [ 60.466072][ C0] do_el0_svc+0x48/0x58 [ 60.467180][ C0] el0_svc+0x54/0x168 [ 60.468230][ C0] el0t_64_sync_handler+0x84/0xfc [ 60.469537][ C0] el0t_64_sync+0x190/0x194 [ 60.767685][ C0] Rebooting in 86400 seconds..