Warning: Permanently added '10.128.1.122' (ED25519) to the list of known hosts. [ 575.047650][ T26] INFO: task syz-executor334:17125 blocked for more than 143 seconds. [ 575.056088][ T26] Not tainted 6.2.0-rc1-syzkaller #0 [ 575.063207][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 575.072229][ T26] task:syz-executor334 state:D stack:25520 pid:17125 ppid:17114 flags:0x00000006 [ 575.081818][ T26] Call Trace: [ 575.085187][ T26] [ 575.088392][ T26] __schedule+0xeda/0x5850 [ 575.092901][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.099234][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.105222][ T26] ? io_schedule_timeout+0x150/0x150 [ 575.110848][ T26] ? __mutex_lock+0x5bc/0x9b0 [ 575.115525][ T26] ? __mutex_trylock_common+0x78/0x250 [ 575.121258][ T26] schedule+0xe7/0x1c0 [ 575.125332][ T26] schedule_preempt_disabled+0x13/0x20 [ 575.131141][ T26] __mutex_lock+0x5c1/0x9b0 [ 575.135731][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.140743][ T26] ? ww_mutex_lock+0x140/0x140 [ 575.145503][ T26] ? lock_chain_count+0x20/0x20 [ 575.150595][ T26] ? unwind_get_return_address+0x55/0xa0 [ 575.156250][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.161177][ T26] genl_rcv_msg+0x43c/0x700 [ 575.165672][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.172513][ T26] netlink_rcv_skb+0x137/0x3a0 [ 575.177337][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.184327][ T26] ? __down_read_common+0x88c/0xf60 [ 575.189759][ T26] ? netlink_ack+0x1520/0x1520 [ 575.194519][ T26] ? kick_process+0x190/0x190 [ 575.199539][ T26] ? netlink_deliver_tap+0x135/0xa00 [ 575.204820][ T26] genl_rcv+0x23/0x30 [ 575.209055][ T26] netlink_unicast+0x41f/0x730 [ 575.213816][ T26] ? netlink_attachskb+0x720/0x720 [ 575.219156][ T26] ? __check_object_size+0x2b3/0x3d0 [ 575.224484][ T26] netlink_sendmsg+0x7c4/0xc70 [ 575.229508][ T26] ? netlink_unicast+0x730/0x730 [ 575.234442][ T26] ? netlink_unicast+0x730/0x730 [ 575.239802][ T26] sock_sendmsg+0xb2/0xf0 [ 575.244174][ T26] ____sys_sendmsg+0x621/0x8d0 [ 575.249230][ T26] ? kernel_sendmsg+0x30/0x30 [ 575.253899][ T26] ? __copy_msghdr+0x400/0x400 [ 575.258904][ T26] ? __lock_acquire+0x11b9/0x3610 [ 575.264010][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.270217][ T26] ___sys_sendmsg+0x100/0x180 [ 575.275147][ T26] ? do_recvmmsg+0x5e0/0x5e0 [ 575.279974][ T26] ? find_held_lock+0x2d/0x110 [ 575.284736][ T26] ? find_held_lock+0x2d/0x110 [ 575.290080][ T26] ? __fget_light+0xb9/0x220 [ 575.294783][ T26] __sys_sendmsg+0xe6/0x180 [ 575.299922][ T26] ? __sys_sendmsg_sock+0x20/0x20 [ 575.305307][ T26] ? restore_fpregs_from_fpstate+0x92/0x170 [ 575.311553][ T26] ? lockdep_hardirqs_on_prepare+0x17f/0x420 [ 575.317717][ T26] ? syscall_enter_from_user_mode+0x7f/0x150 [ 575.324040][ T26] ? lockdep_hardirqs_on+0x7d/0x110 [ 575.329525][ T26] do_syscall_64+0x39/0x80 [ 575.333977][ T26] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 575.340370][ T26] RIP: 0033:0x7f3e5d594339 [ 575.344794][ T26] RSP: 002b:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 575.353710][ T26] RAX: ffffffffffffffda RBX: 000000000000002a RCX: 00007f3e5d594339 [ 575.362030][ T26] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 575.370416][ T26] RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 [ 575.378585][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 [ 575.387010][ T26] R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 [ 575.395352][ T26] [ 575.398628][ T26] INFO: task syz-executor334:17123 blocked for more than 143 seconds. [ 575.406859][ T26] Not tainted 6.2.0-rc1-syzkaller #0 [ 575.413126][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 575.422449][ T26] task:syz-executor334 state:D stack:25504 pid:17123 ppid:17111 flags:0x00004006 [ 575.432465][ T26] Call Trace: [ 575.435752][ T26] [ 575.439204][ T26] __schedule+0xeda/0x5850 [ 575.443732][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.450224][ T26] ? io_schedule_timeout+0x150/0x150 [ 575.455546][ T26] ? __mutex_lock+0x5bc/0x9b0 [ 575.460804][ T26] ? __mutex_trylock_common+0x78/0x250 [ 575.466295][ T26] schedule+0xe7/0x1c0 [ 575.470764][ T26] schedule_preempt_disabled+0x13/0x20 [ 575.476225][ T26] __mutex_lock+0x5c1/0x9b0 [ 575.480971][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.485643][ T26] ? ww_mutex_lock+0x140/0x140 [ 575.490734][ T26] ? lock_chain_count+0x20/0x20 [ 575.495584][ T26] ? unwind_get_return_address+0x55/0xa0 [ 575.501476][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.506154][ T26] genl_rcv_msg+0x43c/0x700 [ 575.510942][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.517268][ T26] netlink_rcv_skb+0x137/0x3a0 [ 575.522316][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.529128][ T26] ? __down_read_common+0x88c/0xf60 [ 575.534343][ T26] ? netlink_ack+0x1520/0x1520 [ 575.539689][ T26] ? kick_process+0x190/0x190 [ 575.544490][ T26] ? netlink_deliver_tap+0x135/0xa00 [ 575.550269][ T26] genl_rcv+0x23/0x30 [ 575.554357][ T26] netlink_unicast+0x41f/0x730 [ 575.559518][ T26] ? netlink_attachskb+0x720/0x720 [ 575.564731][ T26] ? __check_object_size+0x2b3/0x3d0 [ 575.570831][ T26] netlink_sendmsg+0x7c4/0xc70 [ 575.575598][ T26] ? netlink_unicast+0x730/0x730 [ 575.580890][ T26] ? netlink_unicast+0x730/0x730 [ 575.585857][ T26] sock_sendmsg+0xb2/0xf0 [ 575.590497][ T26] ____sys_sendmsg+0x621/0x8d0 [ 575.595364][ T26] ? kernel_sendmsg+0x30/0x30 [ 575.600394][ T26] ? __copy_msghdr+0x400/0x400 [ 575.605157][ T26] ? __lock_acquire+0x11b9/0x3610 [ 575.610739][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.616720][ T26] ___sys_sendmsg+0x100/0x180 [ 575.621708][ T26] ? do_recvmmsg+0x5e0/0x5e0 [ 575.626296][ T26] ? find_held_lock+0x2d/0x110 [ 575.631489][ T26] ? find_held_lock+0x2d/0x110 [ 575.636278][ T26] ? __fget_light+0xb9/0x220 [ 575.641209][ T26] __sys_sendmsg+0xe6/0x180 [ 575.645878][ T26] ? __sys_sendmsg_sock+0x20/0x20 [ 575.651679][ T26] ? restore_fpregs_from_fpstate+0x92/0x170 [ 575.658069][ T26] ? lockdep_hardirqs_on_prepare+0x17f/0x420 [ 575.664255][ T26] ? syscall_enter_from_user_mode+0x7f/0x150 [ 575.670662][ T26] ? lockdep_hardirqs_on+0x7d/0x110 [ 575.675878][ T26] do_syscall_64+0x39/0x80 [ 575.680618][ T26] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 575.686691][ T26] RIP: 0033:0x7f3e5d594339 [ 575.691476][ T26] RSP: 002b:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 575.700241][ T26] RAX: ffffffffffffffda RBX: 0000000000000023 RCX: 00007f3e5d594339 [ 575.708516][ T26] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 575.716614][ T26] RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 [ 575.725142][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 [ 575.733338][ T26] R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 [ 575.741654][ T26] [ 575.744747][ T26] INFO: task syz-executor334:17129 blocked for more than 144 seconds. [ 575.753771][ T26] Not tainted 6.2.0-rc1-syzkaller #0 [ 575.759978][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 575.769387][ T26] task:syz-executor334 state:D stack:28736 pid:17129 ppid:17110 flags:0x00004006 [ 575.779362][ T26] Call Trace: [ 575.782662][ T26] [ 575.785593][ T26] __schedule+0xeda/0x5850 [ 575.790547][ T26] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 575.796997][ T26] ? io_schedule_timeout+0x150/0x150 [ 575.802752][ T26] ? __mutex_lock+0x5bc/0x9b0 [ 575.808088][ T26] ? __mutex_trylock_common+0x78/0x250 [ 575.813691][ T26] schedule+0xe7/0x1c0 [ 575.818061][ T26] schedule_preempt_disabled+0x13/0x20 [ 575.823523][ T26] __mutex_lock+0x5c1/0x9b0 [ 575.828344][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.833019][ T26] ? ww_mutex_lock+0x140/0x140 [ 575.838012][ T26] ? lock_chain_count+0x20/0x20 [ 575.842860][ T26] ? unwind_get_return_address+0x55/0xa0 [ 575.848974][ T26] ? genl_rcv_msg+0x43c/0x700 [ 575.853688][ T26] genl_rcv_msg+0x43c/0x700 [ 575.858601][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.865465][ T26] netlink_rcv_skb+0x137/0x3a0 [ 575.870630][ T26] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 575.877171][ T26] ? __down_read_common+0x88c/0xf60 [ 575.882735][ T26] ? netlink_ack+0x1520/0x1520 [ 575.887701][ T26] ? kick_process+0x190/0x190 [ 575.892383][ T26] ? netlink_deliver_tap+0x135/0xa00 [ 575.898129][ T26] genl_rcv+0x23/0x30 [ 575.902111][ T26] netlink_unicast+0x41f/0x730 [ 575.906955][ T26] ? netlink_attachskb+0x720/0x720 [ 575.912582][ T26] ? __check_object_size+0x2b3/0x3d0 [ 575.918281][ T26] netlink_sendmsg+0x7c4/0xc70 [ 575.923046][ T26] ? netlink_unicast+0x730/0x730 [ 575.928247][ T26] ? netlink_unicast+0x730/0x730 [ 575.933184][ T26] sock_sendmsg+0xb2/0xf0 [ 575.937831][ T26] __sys_sendto+0x1e1/0x2a0 [ 575.942327][ T26] ? __ia32_sys_getpeername+0xb0/0xb0 [ 575.947965][ T26] ? find_held_lock+0x2d/0x110 [ 575.952906][ T26] __x64_sys_sendto+0xdb/0x1b0 [ 575.957911][ T26] ? syscall_enter_from_user_mode+0x7f/0x150 [ 575.963974][ T26] do_syscall_64+0x39/0x80 [ 575.969289][ T26] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 575.975271][ T26] RIP: 0033:0x7f3e5d595c8c [ 575.980098][ T26] RSP: 002b:00007f3e5d553150 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 575.988780][ T26] RAX: ffffffffffffffda RBX: 00007f3e5d553214 RCX: 00007f3e5d595c8c [ 575.996755][ T26] RDX: 0000000000000020 RSI: 00007f3e5d553200 RDI: 0000000000000005 [ 576.005373][ T26] RBP: 0000000000000000 R08: 00007f3e5d5531a4 R09: 000000000000000c [ 576.013887][ T26] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3e5d553200 [ 576.022535][ T26] R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 [ 576.031211][ T26] [ 576.034332][ T26] [ 576.034332][ T26] Showing all locks held in the system: [ 576.042361][ T26] 1 lock held by rcu_tasks_kthre/12: [ 576.047837][ T26] #0: ffffffff86699df0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x24/0xdb0 [ 576.059044][ T26] 1 lock held by khungtaskd/26: [ 576.063913][ T26] #0: ffffffff8669a940 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 [ 576.074404][ T26] 2 locks held by getty/1645: [ 576.079415][ T26] #0: ffff888146689098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 [ 576.089945][ T26] #1: ffffc9000008d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xc57/0x12c0 [ 576.100346][ T26] 2 locks held by syz-executor334/17125: [ 576.105996][ T26] #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 [ 576.114925][ T26] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 [ 576.124127][ T26] 2 locks held by syz-executor334/17123: [ 576.129961][ T26] #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 [ 576.138969][ T26] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 [ 576.149071][ T26] 2 locks held by syz-executor334/17127: [ 576.154704][ T26] 2 locks held by syz-executor334/17129: [ 576.160616][ T26] #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 [ 576.169108][ T26] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 [ 576.178471][ T26] 2 locks held by syz-executor334/17132: [ 576.184180][ T26] #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 [ 576.192677][ T26] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 [ 576.201843][ T26] 2 locks held by syz-executor334/17133: [ 576.207477][ T26] #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 [ 576.216111][ T26] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 [ 576.225646][ T26] [ 576.228160][ T26] ============================================= [ 576.228160][ T26] [ 576.236654][ T26] NMI backtrace for cpu 0 [ 576.241070][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller #0 [ 576.249738][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 576.260229][ T26] Call Trace: [ 576.263527][ T26] [ 576.266459][ T26] dump_stack_lvl+0x6e/0x9f [ 576.270988][ T26] nmi_cpu_backtrace.cold+0x30/0x10e [ 576.276293][ T26] ? lapic_can_unplug_cpu+0x60/0x60 [ 576.281952][ T26] nmi_trigger_cpumask_backtrace+0x25d/0x2e0 [ 576.287936][ T26] watchdog+0x90e/0xc40 [ 576.292220][ T26] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 576.298318][ T26] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 576.304565][ T26] kthread+0x241/0x2d0 [ 576.308874][ T26] ? kthread_complete_and_exit+0x20/0x20 [ 576.314607][ T26] ret_from_fork+0x1f/0x30 [ 576.319140][ T26] [ 576.322257][ T26] Sending NMI from CPU 0 to CPUs 1: [ 576.327459][ C1] NMI backtrace for cpu 1 [ 576.327463][ C1] CPU: 1 PID: 17127 Comm: syz-executor334 Not tainted 6.2.0-rc1-syzkaller #0 [ 576.327470][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 576.327473][ C1] RIP: 0010:lock_release+0x186/0x830 [ 576.327481][ C1] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 48 06 00 00 45 8b 86 f4 09 00 00 45 85 c0 0f 85 64 02 00 00 9c 8f 04 24 fa <48> c7 c7 a0 31 47 85 e8 0e 16 dc 03 48 89 da 83 e3 07 48 b8 00 00 [ 576.327486][ C1] RSP: 0018:ffffc900020deb50 EFLAGS: 00000046 [ 576.327492][ C1] RAX: 0000000000000007 RBX: ffffffff8756aecc RCX: 0000000000000001 [ 576.327495][ C1] RDX: 0000000000000000 RSI: ffffffff854731e0 RDI: ffff8880684f89f4 [ 576.327499][ C1] RBP: 1ffff9200041bd6c R08: 0000000000000000 R09: 0000000000000001 [ 576.327504][ C1] R10: fffffbfff0eacf8a R11: ffff8880160e914e R12: ffffffff8669a940 [ 576.327508][ C1] R13: 0000000000000000 R14: ffff8880684f8000 R15: ffff8880160f0551 [ 576.327511][ C1] FS: 00007f3e5d5546c0(0000) GS:ffff8880ba900000(0000) knlGS:0000000000000000 [ 576.327518][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 576.327521][ C1] CR2: 00007f3e5d570130 CR3: 000000007315a000 CR4: 00000000003506e0 [ 576.327525][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 576.327528][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 576.327531][ C1] Call Trace: [ 576.327534][ C1] [ 576.327537][ C1] ? tipc_sk_lookup+0x412/0x820 [ 576.327615][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 576.327619][ C1] ? memset+0x23/0x40 [ 576.327652][ C1] tipc_sk_lookup+0x42a/0x820 [ 576.327659][ C1] ? tsk_peer_msg+0x470/0x470 [ 576.327665][ C1] tipc_nl_publ_dump+0x2d1/0xc20 [ 576.327672][ C1] ? tipc_nl_sk_dump+0x10/0x10 [ 576.327677][ C1] ? irqentry_exit+0x3b/0x80 [ 576.327685][ C1] __tipc_nl_compat_dumpit+0x26e/0xb80 [ 576.327691][ C1] ? __tipc_add_link_prop.isra.0+0x190/0x190 [ 576.327698][ C1] ? __nla_reserve+0x91/0xb0 [ 576.327728][ C1] ? memcpy+0x3c/0x60 [ 576.327733][ C1] tipc_nl_compat_sk_dump+0x4ca/0x850 [ 576.327738][ C1] ? tipc_nl_compat_link_stat_dump+0x1c90/0x1c90 [ 576.327744][ C1] ? find_held_lock+0x2d/0x110 [ 576.327751][ C1] ? tipc_nl_sk_dump+0x10/0x10 [ 576.327756][ C1] ? tipc_nl_compat_link_dump+0x220/0x220 [ 576.327761][ C1] ? memset+0x23/0x40 [ 576.327765][ C1] ? __nla_validate_parse+0xb4/0x2180 [ 576.327771][ C1] ? rhashtable_walk_stop+0x175/0x270 [ 576.327797][ C1] __tipc_nl_compat_dumpit+0x458/0xb80 [ 576.327803][ C1] ? __tipc_add_link_prop.isra.0+0x190/0x190 [ 576.327809][ C1] ? __build_skb_around+0x22f/0x330 [ 576.327817][ C1] ? memset+0x23/0x40 [ 576.327822][ C1] ? __nlmsg_put+0x147/0x1b0 [ 576.327828][ C1] tipc_nl_compat_dumpit+0x3dc/0x790 [ 576.327834][ C1] tipc_nl_compat_recv+0x7ab/0xae0 [ 576.327839][ C1] ? find_held_lock+0x2d/0x110 [ 576.327845][ C1] ? tipc_nl_compat_bearer_enable+0x630/0x630 [ 576.327850][ C1] ? tipc_dump_start+0x80/0x80 [ 576.327856][ C1] ? tipc_nl_compat_link_stat_dump+0x1c90/0x1c90 [ 576.327861][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 576.327865][ C1] ? do_raw_spin_lock+0x12e/0x2b0 [ 576.327871][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 576.327876][ C1] genl_family_rcv_msg_doit.isra.0+0x1ce/0x2a0 [ 576.327881][ C1] ? genl_start+0x5f0/0x5f0 [ 576.327885][ C1] ? ww_mutex_lock+0x140/0x140 [ 576.327893][ C1] genl_rcv_msg+0x429/0x700 [ 576.327898][ C1] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 576.327902][ C1] ? tipc_nl_compat_bearer_enable+0x630/0x630 [ 576.327908][ C1] netlink_rcv_skb+0x137/0x3a0 [ 576.327914][ C1] ? genl_family_rcv_msg_doit.isra.0+0x2a0/0x2a0 [ 576.327919][ C1] ? __down_read_common+0x88c/0xf60 [ 576.327924][ C1] ? netlink_ack+0x1520/0x1520 [ 576.327931][ C1] ? kick_process+0x190/0x190 [ 576.327938][ C1] ? netlink_deliver_tap+0x135/0xa00 [ 576.327944][ C1] genl_rcv+0x23/0x30 [ 576.327948][ C1] netlink_unicast+0x41f/0x730 [ 576.327954][ C1] ? netlink_attachskb+0x720/0x720 [ 576.327960][ C1] ? __check_object_size+0x2b3/0x3d0 [ 576.327967][ C1] netlink_sendmsg+0x7c4/0xc70 [ 576.327973][ C1] ? netlink_unicast+0x730/0x730 [ 576.327980][ C1] ? netlink_unicast+0x730/0x730 [ 576.327985][ C1] sock_sendmsg+0xb2/0xf0 [ 576.327990][ C1] ____sys_sendmsg+0x621/0x8d0 [ 576.327996][ C1] ? kernel_sendmsg+0x30/0x30 [ 576.328000][ C1] ? __copy_msghdr+0x400/0x400 [ 576.328005][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 576.328010][ C1] ___sys_sendmsg+0x100/0x180 [ 576.328016][ C1] ? do_recvmmsg+0x5e0/0x5e0 [ 576.328020][ C1] ? find_held_lock+0x2d/0x110 [ 576.328027][ C1] ? find_held_lock+0x2d/0x110 [ 576.328034][ C1] ? __fget_light+0xb9/0x220 [ 576.328039][ C1] __sys_sendmsg+0xe6/0x180 [ 576.328044][ C1] ? __sys_sendmsg_sock+0x20/0x20 [ 576.328049][ C1] ? restore_fpregs_from_fpstate+0x92/0x170 [ 576.328057][ C1] ? lockdep_hardirqs_on_prepare+0x17f/0x420 [ 576.328062][ C1] ? syscall_enter_from_user_mode+0x7f/0x150 [ 576.328067][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 576.328072][ C1] do_syscall_64+0x39/0x80 [ 576.328079][ C1] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 576.328087][ C1] RIP: 0033:0x7f3e5d594339 [ 576.328093][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 576.328097][ C1] RSP: 002b:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 576.328102][ C1] RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f3e5d594339 [ 576.328105][ C1] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 576.328108][ C1] RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 [ 576.328111][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 [ 576.328113][ C1] R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 [ 576.328118][ C1] [ 576.917558][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 576.924503][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller #0 [ 576.932633][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 576.943628][ T26] Call Trace: [ 576.947127][ T26] [ 576.950126][ T26] dump_stack_lvl+0x6e/0x9f [ 576.954609][ T26] panic+0x22c/0x481 [ 576.958566][ T26] ? panic_print_sys_info.part.0+0x6e/0x6e [ 576.964609][ T26] ? preempt_schedule_thunk+0x1a/0x20 [ 576.969959][ T26] watchdog.cold+0x12c/0x14d [ 576.974555][ T26] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 576.980510][ T26] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 576.986474][ T26] kthread+0x241/0x2d0 [ 576.990521][ T26] ? kthread_complete_and_exit+0x20/0x20 [ 576.996124][ T26] ret_from_fork+0x1f/0x30 [ 577.000625][ T26] [ 577.003776][ T26] Kernel Offset: disabled [ 577.008088][ T26] Rebooting in 86400 seconds..