et_ns+0x4c6/0x7b0 [ 270.837491][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 270.847081][ C1] 2 locks held by syz-executor129/5111: [ 270.852677][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 270.862230][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 270.871852][ C1] 3 locks held by syz-executor129/5116: [ 270.877422][ C1] 3 locks held by syz-executor129/5135: [ 270.883022][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 270.893230][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 270.903089][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 270.913039][ C1] 2 locks held by syz-executor129/5137: [ 270.918607][ C1] [ 270.920987][ C1] ============================================= [ 270.920987][ C1] [ 271.930464][ C1] DEBUG: waiting rtnl_mutex for 7300 jiffies. [ 271.936605][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 271.946846][ C1] Call Trace: [ 271.950154][ C1] [ 271.953151][ C1] __schedule+0x17e8/0x4a20 [ 271.957729][ C1] ? __pfx___schedule+0x10/0x10 [ 271.962653][ C1] ? __pfx_lock_release+0x10/0x10 [ 271.967723][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 271.973276][ C1] ? schedule+0x90/0x320 [ 271.977564][ C1] schedule+0x14b/0x320 [ 271.981782][ C1] schedule_preempt_disabled+0x13/0x30 [ 271.987272][ C1] __mutex_lock+0x6a4/0xd70 [ 271.991849][ C1] ? __mutex_lock+0x527/0xd70 [ 271.996566][ C1] ? rtnl_lock_killable+0x113/0x200 [ 272.001830][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 272.006925][ C1] rtnl_lock_killable+0x113/0x200 [ 272.012024][ C1] register_netdev+0x13/0x50 [ 272.016651][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 272.021591][ C1] ops_init+0x359/0x610 [ 272.025792][ C1] setup_net+0x515/0xca0 [ 272.030066][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 272.035685][ C1] ? __pfx_setup_net+0x10/0x10 [ 272.040537][ C1] copy_net_ns+0x4e2/0x7b0 [ 272.044995][ C1] create_new_namespaces+0x425/0x7b0 [ 272.050314][ C1] ? bpf_lsm_capable+0x9/0x10 [ 272.055063][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 272.060852][ C1] ksys_unshare+0x619/0xc10 [ 272.065426][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 272.070521][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 272.076534][ C1] ? do_syscall_64+0x100/0x230 [ 272.081356][ C1] __x64_sys_unshare+0x38/0x40 [ 272.086157][ C1] do_syscall_64+0xf3/0x230 [ 272.090732][ C1] ? clear_bhb_loop+0x35/0x90 [ 272.095457][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.101416][ C1] RIP: 0033:0x7fadcffbc2f7 [ 272.105859][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 272.114440][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 272.122469][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 272.130483][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 272.138470][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 272.146498][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 272.154554][ C1] [ 272.157614][ C1] DEBUG: waiting rtnl_mutex for 7324 jiffies. [ 272.163722][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 272.173941][ C1] Call Trace: [ 272.177235][ C1] [ 272.180182][ C1] __schedule+0x17e8/0x4a20 [ 272.184775][ C1] ? __pfx___schedule+0x10/0x10 [ 272.189661][ C1] ? __pfx_lock_release+0x10/0x10 [ 272.194751][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 272.200268][ C1] ? schedule+0x90/0x320 [ 272.204574][ C1] schedule+0x14b/0x320 [ 272.208789][ C1] schedule_preempt_disabled+0x13/0x30 [ 272.214348][ C1] __mutex_lock+0x6a4/0xd70 [ 272.218894][ C1] ? __mutex_lock+0x527/0xd70 [ 272.223637][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 272.228880][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 272.233984][ C1] ? rtnl_lock+0xe7/0x130 [ 272.238358][ C1] ip_tunnel_init_net+0x20e/0x710 [ 272.243470][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 272.249065][ C1] vti_init_net+0x2e/0xf0 [ 272.253458][ C1] ops_init+0x359/0x610 [ 272.257661][ C1] setup_net+0x515/0xca0 [ 272.261968][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 272.267555][ C1] ? __pfx_setup_net+0x10/0x10 [ 272.272430][ C1] copy_net_ns+0x4e2/0x7b0 [ 272.276910][ C1] create_new_namespaces+0x425/0x7b0 [ 272.282252][ C1] ? bpf_lsm_capable+0x9/0x10 [ 272.286978][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 272.292782][ C1] ksys_unshare+0x619/0xc10 [ 272.297337][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 272.302429][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 272.308450][ C1] ? do_syscall_64+0x100/0x230 [ 272.313287][ C1] __x64_sys_unshare+0x38/0x40 [ 272.318124][ C1] do_syscall_64+0xf3/0x230 [ 272.322709][ C1] ? clear_bhb_loop+0x35/0x90 [ 272.327420][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.333359][ C1] RIP: 0033:0x7fadcffbc2f7 [ 272.337802][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 272.346280][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 272.354318][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 272.362341][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 272.370331][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 272.378360][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 272.386419][ C1] [ 272.389469][ C1] [ 272.389469][ C1] Showing all locks held in the system: [ 272.397263][ C1] 2 locks held by getty/4849: [ 272.401987][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 272.411818][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 272.421998][ C1] 2 locks held by syz-executor129/5110: [ 272.427559][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 272.437045][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 272.446631][ C1] 2 locks held by syz-executor129/5111: [ 272.452220][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 272.461701][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 272.471275][ C1] 3 locks held by syz-executor129/5116: [ 272.476836][ C1] 3 locks held by syz-executor129/5135: [ 272.482440][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 272.492644][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 272.502500][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 272.512486][ C1] 2 locks held by syz-executor129/5137: [ 272.518064][ C1] [ 272.520420][ C1] ============================================= [ 272.520420][ C1] [ 273.530466][ C1] DEBUG: waiting rtnl_mutex for 7460 jiffies. [ 273.536612][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 273.546868][ C1] Call Trace: [ 273.550170][ C1] [ 273.553185][ C1] __schedule+0x17e8/0x4a20 [ 273.557744][ C1] ? __pfx___schedule+0x10/0x10 [ 273.562689][ C1] ? __pfx_lock_release+0x10/0x10 [ 273.567772][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 273.573317][ C1] ? schedule+0x90/0x320 [ 273.577588][ C1] schedule+0x14b/0x320 [ 273.581831][ C1] schedule_preempt_disabled+0x13/0x30 [ 273.587319][ C1] __mutex_lock+0x6a4/0xd70 [ 273.591894][ C1] ? __mutex_lock+0x527/0xd70 [ 273.596607][ C1] ? rtnl_lock_killable+0x113/0x200 [ 273.601865][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 273.606947][ C1] rtnl_lock_killable+0x113/0x200 [ 273.612028][ C1] register_netdev+0x13/0x50 [ 273.616647][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 273.621584][ C1] ops_init+0x359/0x610 [ 273.625786][ C1] setup_net+0x515/0xca0 [ 273.630061][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 273.635704][ C1] ? __pfx_setup_net+0x10/0x10 [ 273.640550][ C1] copy_net_ns+0x4e2/0x7b0 [ 273.645011][ C1] create_new_namespaces+0x425/0x7b0 [ 273.650335][ C1] ? bpf_lsm_capable+0x9/0x10 [ 273.655090][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 273.660873][ C1] ksys_unshare+0x619/0xc10 [ 273.665420][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 273.670507][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 273.676525][ C1] ? do_syscall_64+0x100/0x230 [ 273.681424][ C1] __x64_sys_unshare+0x38/0x40 [ 273.686249][ C1] do_syscall_64+0xf3/0x230 [ 273.690835][ C1] ? clear_bhb_loop+0x35/0x90 [ 273.695554][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.701527][ C1] RIP: 0033:0x7fadcffbc2f7 [ 273.705974][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 273.714475][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 273.722505][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 273.730534][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 273.738535][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 273.746569][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 273.754644][ C1] [ 273.757686][ C1] DEBUG: waiting rtnl_mutex for 7484 jiffies. [ 273.763802][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 273.774027][ C1] Call Trace: [ 273.777320][ C1] [ 273.780273][ C1] __schedule+0x17e8/0x4a20 [ 273.784873][ C1] ? __pfx___schedule+0x10/0x10 [ 273.789763][ C1] ? __pfx_lock_release+0x10/0x10 [ 273.794854][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 273.800375][ C1] ? schedule+0x90/0x320 [ 273.804685][ C1] schedule+0x14b/0x320 [ 273.808879][ C1] schedule_preempt_disabled+0x13/0x30 [ 273.814392][ C1] __mutex_lock+0x6a4/0xd70 [ 273.818929][ C1] ? __mutex_lock+0x527/0xd70 [ 273.823668][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 273.828905][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 273.834005][ C1] ? rtnl_lock+0xe7/0x130 [ 273.838361][ C1] ip_tunnel_init_net+0x20e/0x710 [ 273.843462][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 273.849065][ C1] vti_init_net+0x2e/0xf0 [ 273.853460][ C1] ops_init+0x359/0x610 [ 273.857658][ C1] setup_net+0x515/0xca0 [ 273.861954][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 273.867543][ C1] ? __pfx_setup_net+0x10/0x10 [ 273.872397][ C1] copy_net_ns+0x4e2/0x7b0 [ 273.876850][ C1] create_new_namespaces+0x425/0x7b0 [ 273.882193][ C1] ? bpf_lsm_capable+0x9/0x10 [ 273.886923][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 273.892709][ C1] ksys_unshare+0x619/0xc10 [ 273.897259][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 273.902345][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 273.908368][ C1] ? do_syscall_64+0x100/0x230 [ 273.913194][ C1] __x64_sys_unshare+0x38/0x40 [ 273.917987][ C1] do_syscall_64+0xf3/0x230 [ 273.922587][ C1] ? clear_bhb_loop+0x35/0x90 [ 273.927292][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.933250][ C1] RIP: 0033:0x7fadcffbc2f7 [ 273.937682][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 273.946159][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 273.954190][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 273.962214][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 273.970208][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 273.978232][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 273.986279][ C1] [ 273.989327][ C1] [ 273.989327][ C1] Showing all locks held in the system: [ 273.997125][ C1] 2 locks held by getty/4849: [ 274.001850][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 274.011691][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 274.021904][ C1] 2 locks held by syz-executor129/5110: [ 274.027463][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 274.036985][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 274.046596][ C1] 2 locks held by syz-executor129/5111: [ 274.052193][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 274.061679][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 274.071265][ C1] 3 locks held by syz-executor129/5116: [ 274.076832][ C1] 3 locks held by syz-executor129/5135: [ 274.082422][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 274.092695][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 274.102554][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 274.112528][ C1] 1 lock held by syz-executor129/5137: [ 274.118022][ C1] [ 274.120378][ C1] ============================================= [ 274.120378][ C1] [ 275.130494][ C1] DEBUG: waiting rtnl_mutex for 7620 jiffies. [ 275.136628][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 275.146862][ C1] Call Trace: [ 275.150155][ C1] [ 275.153143][ C1] __schedule+0x17e8/0x4a20 [ 275.157709][ C1] ? __pfx___schedule+0x10/0x10 [ 275.162623][ C1] ? __pfx_lock_release+0x10/0x10 [ 275.167678][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 275.173207][ C1] ? schedule+0x90/0x320 [ 275.177473][ C1] schedule+0x14b/0x320 [ 275.181679][ C1] schedule_preempt_disabled+0x13/0x30 [ 275.187160][ C1] __mutex_lock+0x6a4/0xd70 [ 275.191726][ C1] ? __mutex_lock+0x527/0xd70 [ 275.196443][ C1] ? rtnl_lock_killable+0x113/0x200 [ 275.201712][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 275.206781][ C1] rtnl_lock_killable+0x113/0x200 [ 275.211871][ C1] register_netdev+0x13/0x50 [ 275.216497][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 275.221441][ C1] ops_init+0x359/0x610 [ 275.225984][ C1] setup_net+0x515/0xca0 [ 275.230259][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 275.235873][ C1] ? __pfx_setup_net+0x10/0x10 [ 275.240707][ C1] copy_net_ns+0x4e2/0x7b0 [ 275.245176][ C1] create_new_namespaces+0x425/0x7b0 [ 275.250528][ C1] ? bpf_lsm_capable+0x9/0x10 [ 275.255243][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 275.261031][ C1] ksys_unshare+0x619/0xc10 [ 275.265584][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 275.270695][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 275.276710][ C1] ? do_syscall_64+0x100/0x230 [ 275.281530][ C1] __x64_sys_unshare+0x38/0x40 [ 275.286366][ C1] do_syscall_64+0xf3/0x230 [ 275.290947][ C1] ? clear_bhb_loop+0x35/0x90 [ 275.295660][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.301707][ C1] RIP: 0033:0x7fadcffbc2f7 [ 275.306146][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 275.314667][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 275.322697][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 275.330716][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 275.338793][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 275.346828][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 275.354880][ C1] [ 275.357920][ C1] DEBUG: waiting rtnl_mutex for 7644 jiffies. [ 275.364036][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 275.374269][ C1] Call Trace: [ 275.377574][ C1] [ 275.380602][ C1] __schedule+0x17e8/0x4a20 [ 275.385179][ C1] ? __pfx___schedule+0x10/0x10 [ 275.390078][ C1] ? __pfx_lock_release+0x10/0x10 [ 275.395189][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 275.400737][ C1] ? schedule+0x90/0x320 [ 275.405019][ C1] schedule+0x14b/0x320 [ 275.409234][ C1] schedule_preempt_disabled+0x13/0x30 [ 275.414766][ C1] __mutex_lock+0x6a4/0xd70 [ 275.419316][ C1] ? __mutex_lock+0x527/0xd70 [ 275.424072][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 275.429316][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 275.434427][ C1] ? rtnl_lock+0xe7/0x130 [ 275.438809][ C1] ip_tunnel_init_net+0x20e/0x710 [ 275.443924][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 275.449531][ C1] vti_init_net+0x2e/0xf0 [ 275.453922][ C1] ops_init+0x359/0x610 [ 275.458120][ C1] setup_net+0x515/0xca0 [ 275.462428][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 275.468031][ C1] ? __pfx_setup_net+0x10/0x10 [ 275.472873][ C1] copy_net_ns+0x4e2/0x7b0 [ 275.477329][ C1] create_new_namespaces+0x425/0x7b0 [ 275.482691][ C1] ? bpf_lsm_capable+0x9/0x10 [ 275.487430][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 275.493219][ C1] ksys_unshare+0x619/0xc10 [ 275.497773][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 275.502950][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 275.508965][ C1] ? do_syscall_64+0x100/0x230 [ 275.513792][ C1] __x64_sys_unshare+0x38/0x40 [ 275.518610][ C1] do_syscall_64+0xf3/0x230 [ 275.523171][ C1] ? clear_bhb_loop+0x35/0x90 [ 275.527884][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.533841][ C1] RIP: 0033:0x7fadcffbc2f7 [ 275.538302][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 275.546821][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 275.554894][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 275.562955][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 275.570987][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 275.578986][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 275.587088][ C1] [ 275.590167][ C1] [ 275.590167][ C1] Showing all locks held in the system: [ 275.597992][ C1] 2 locks held by getty/4849: [ 275.602745][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 275.612674][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 275.622914][ C1] 2 locks held by syz-executor129/5110: [ 275.628529][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 275.638051][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 275.647662][ C1] 2 locks held by syz-executor129/5111: [ 275.653272][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 275.662799][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 275.672417][ C1] 3 locks held by syz-executor129/5116: [ 275.677987][ C1] 3 locks held by syz-executor129/5135: [ 275.683593][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 275.693796][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 275.703648][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 275.713600][ C1] [ 275.715946][ C1] ============================================= [ 275.715946][ C1] [ 276.730473][ C1] DEBUG: waiting rtnl_mutex for 7780 jiffies. [ 276.736619][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 276.746872][ C1] Call Trace: [ 276.750178][ C1] [ 276.753179][ C1] __schedule+0x17e8/0x4a20 [ 276.757754][ C1] ? __pfx___schedule+0x10/0x10 [ 276.762687][ C1] ? __pfx_lock_release+0x10/0x10 [ 276.767759][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 276.773322][ C1] ? schedule+0x90/0x320 [ 276.777599][ C1] schedule+0x14b/0x320 [ 276.781817][ C1] schedule_preempt_disabled+0x13/0x30 [ 276.787303][ C1] __mutex_lock+0x6a4/0xd70 [ 276.791895][ C1] ? __mutex_lock+0x527/0xd70 [ 276.796614][ C1] ? rtnl_lock_killable+0x113/0x200 [ 276.801893][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 276.806983][ C1] rtnl_lock_killable+0x113/0x200 [ 276.812102][ C1] register_netdev+0x13/0x50 [ 276.816735][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 276.821710][ C1] ops_init+0x359/0x610 [ 276.825929][ C1] setup_net+0x515/0xca0 [ 276.830214][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 276.835847][ C1] ? __pfx_setup_net+0x10/0x10 [ 276.840707][ C1] copy_net_ns+0x4e2/0x7b0 [ 276.845169][ C1] create_new_namespaces+0x425/0x7b0 [ 276.850526][ C1] ? bpf_lsm_capable+0x9/0x10 [ 276.855246][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 276.861044][ C1] ksys_unshare+0x619/0xc10 [ 276.865604][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 276.870727][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 276.876756][ C1] ? do_syscall_64+0x100/0x230 [ 276.881591][ C1] __x64_sys_unshare+0x38/0x40 [ 276.886395][ C1] do_syscall_64+0xf3/0x230 [ 276.890969][ C1] ? clear_bhb_loop+0x35/0x90 [ 276.895690][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.901679][ C1] RIP: 0033:0x7fadcffbc2f7 [ 276.906147][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 276.914682][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 276.922728][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 276.930760][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 276.938758][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 276.946792][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 276.954852][ C1] [ 276.957900][ C1] DEBUG: waiting rtnl_mutex for 7804 jiffies. [ 276.964023][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 276.974265][ C1] Call Trace: [ 276.977564][ C1] [ 276.980645][ C1] __schedule+0x17e8/0x4a20 [ 276.985226][ C1] ? __pfx___schedule+0x10/0x10 [ 276.990123][ C1] ? __pfx_lock_release+0x10/0x10 [ 276.995228][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 277.000768][ C1] ? schedule+0x90/0x320 [ 277.005058][ C1] schedule+0x14b/0x320 [ 277.009254][ C1] schedule_preempt_disabled+0x13/0x30 [ 277.014788][ C1] __mutex_lock+0x6a4/0xd70 [ 277.019337][ C1] ? __mutex_lock+0x527/0xd70 [ 277.024094][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 277.029335][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 277.034438][ C1] ? rtnl_lock+0xe7/0x130 [ 277.038820][ C1] ip_tunnel_init_net+0x20e/0x710 [ 277.043922][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 277.049529][ C1] vti_init_net+0x2e/0xf0 [ 277.053922][ C1] ops_init+0x359/0x610 [ 277.058121][ C1] setup_net+0x515/0xca0 [ 277.062424][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 277.068011][ C1] ? __pfx_setup_net+0x10/0x10 [ 277.072858][ C1] copy_net_ns+0x4e2/0x7b0 [ 277.077404][ C1] create_new_namespaces+0x425/0x7b0 [ 277.082757][ C1] ? bpf_lsm_capable+0x9/0x10 [ 277.087486][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 277.093269][ C1] ksys_unshare+0x619/0xc10 [ 277.097811][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 277.102891][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 277.108906][ C1] ? do_syscall_64+0x100/0x230 [ 277.113729][ C1] __x64_sys_unshare+0x38/0x40 [ 277.118523][ C1] do_syscall_64+0xf3/0x230 [ 277.123080][ C1] ? clear_bhb_loop+0x35/0x90 [ 277.127787][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.133731][ C1] RIP: 0033:0x7fadcffbc2f7 [ 277.138164][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 277.146633][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 277.154685][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 277.162735][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 277.170765][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 277.178762][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 277.186808][ C1] [ 277.189849][ C1] [ 277.189849][ C1] Showing all locks held in the system: [ 277.197651][ C1] 2 locks held by getty/4849: [ 277.202386][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 277.212266][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 277.222459][ C1] 2 locks held by syz-executor129/5110: [ 277.228054][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 277.237554][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 277.247140][ C1] 2 locks held by syz-executor129/5111: [ 277.252732][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 277.262236][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 277.271925][ C1] 3 locks held by syz-executor129/5116: [ 277.277490][ C1] 4 locks held by syz-executor129/5135: [ 277.283079][ C1] #0: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: __task_pid_nr_ns+0x28/0x450 [ 277.292705][ C1] #1: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 277.302897][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 277.312740][ C1] #3: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 277.322675][ C1] 1 lock held by syz-executor129/5137: [ 277.328154][ C1] [ 277.330521][ C1] ============================================= [ 277.330521][ C1] [ 278.410470][ C1] DEBUG: waiting rtnl_mutex for 7948 jiffies. [ 278.416609][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 278.426852][ C1] Call Trace: [ 278.430150][ C1] [ 278.433191][ C1] __schedule+0x17e8/0x4a20 [ 278.437763][ C1] ? __pfx___schedule+0x10/0x10 [ 278.442698][ C1] ? __pfx_lock_release+0x10/0x10 [ 278.447857][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 278.453425][ C1] ? schedule+0x90/0x320 [ 278.457706][ C1] schedule+0x14b/0x320 [ 278.461943][ C1] schedule_preempt_disabled+0x13/0x30 [ 278.467442][ C1] __mutex_lock+0x6a4/0xd70 [ 278.472038][ C1] ? __mutex_lock+0x527/0xd70 [ 278.476767][ C1] ? rtnl_lock_killable+0x113/0x200 [ 278.482059][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 278.487151][ C1] rtnl_lock_killable+0x113/0x200 [ 278.492303][ C1] register_netdev+0x13/0x50 [ 278.496965][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 278.501909][ C1] ops_init+0x359/0x610 [ 278.506126][ C1] setup_net+0x515/0xca0 [ 278.510418][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 278.516049][ C1] ? __pfx_setup_net+0x10/0x10 [ 278.520908][ C1] copy_net_ns+0x4e2/0x7b0 [ 278.525373][ C1] create_new_namespaces+0x425/0x7b0 [ 278.530743][ C1] ? bpf_lsm_capable+0x9/0x10 [ 278.535474][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 278.541277][ C1] ksys_unshare+0x619/0xc10 [ 278.545862][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 278.551013][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 278.557056][ C1] ? do_syscall_64+0x100/0x230 [ 278.561915][ C1] __x64_sys_unshare+0x38/0x40 [ 278.566731][ C1] do_syscall_64+0xf3/0x230 [ 278.571309][ C1] ? clear_bhb_loop+0x35/0x90 [ 278.576034][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.582035][ C1] RIP: 0033:0x7fadcffbc2f7 [ 278.586477][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 278.594964][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 278.603005][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 278.611066][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 278.619060][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 278.627093][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 278.635153][ C1] [ 278.638230][ C1] DEBUG: waiting rtnl_mutex for 7972 jiffies. [ 278.644354][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 278.654615][ C1] Call Trace: [ 278.657929][ C1] [ 278.660919][ C1] __schedule+0x17e8/0x4a20 [ 278.665504][ C1] ? __pfx___schedule+0x10/0x10 [ 278.670397][ C1] ? __pfx_lock_release+0x10/0x10 [ 278.675507][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 278.681080][ C1] ? schedule+0x90/0x320 [ 278.685370][ C1] schedule+0x14b/0x320 [ 278.689573][ C1] schedule_preempt_disabled+0x13/0x30 [ 278.695112][ C1] __mutex_lock+0x6a4/0xd70 [ 278.699669][ C1] ? __mutex_lock+0x527/0xd70 [ 278.704441][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 278.709682][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 278.714790][ C1] ? rtnl_lock+0xe7/0x130 [ 278.719179][ C1] ip_tunnel_init_net+0x20e/0x710 [ 278.724320][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 278.729939][ C1] vti_init_net+0x2e/0xf0 [ 278.734357][ C1] ops_init+0x359/0x610 [ 278.738589][ C1] setup_net+0x515/0xca0 [ 278.742926][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 278.748533][ C1] ? __pfx_setup_net+0x10/0x10 [ 278.753388][ C1] copy_net_ns+0x4e2/0x7b0 [ 278.757878][ C1] create_new_namespaces+0x425/0x7b0 [ 278.763246][ C1] ? bpf_lsm_capable+0x9/0x10 [ 278.767983][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 278.773777][ C1] ksys_unshare+0x619/0xc10 [ 278.778334][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 278.783447][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 278.789494][ C1] ? do_syscall_64+0x100/0x230 [ 278.794324][ C1] __x64_sys_unshare+0x38/0x40 [ 278.799128][ C1] do_syscall_64+0xf3/0x230 [ 278.803730][ C1] ? clear_bhb_loop+0x35/0x90 [ 278.808443][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.814395][ C1] RIP: 0033:0x7fadcffbc2f7 [ 278.818839][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 278.827324][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 278.835387][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 278.843441][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 278.851476][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 278.859488][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 278.867559][ C1] [ 278.870656][ C1] [ 278.870656][ C1] Showing all locks held in the system: [ 278.878452][ C1] 2 locks held by getty/4849: [ 278.883206][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 278.893074][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 278.903282][ C1] 2 locks held by syz-executor129/5110: [ 278.908854][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 278.918364][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 278.927969][ C1] 2 locks held by syz-executor129/5111: [ 278.933589][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 278.943093][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 278.952730][ C1] 3 locks held by syz-executor129/5116: [ 278.958298][ C1] 4 locks held by syz-executor129/5135: [ 278.963900][ C1] #0: ffff88801ed83a98 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0xaa/0x120 [ 278.973323][ C1] #1: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 278.983530][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 278.993384][ C1] #3: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 279.003331][ C1] 2 locks held by syz-executor129/5137: [ 279.008899][ C1] [ 279.011275][ C1] ============================================= [ 279.011275][ C1] [ 280.090472][ C1] DEBUG: waiting rtnl_mutex for 8116 jiffies. [ 280.096613][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 280.106870][ C1] Call Trace: [ 280.110180][ C1] [ 280.113230][ C1] __schedule+0x17e8/0x4a20 [ 280.117800][ C1] ? __pfx___schedule+0x10/0x10 [ 280.122717][ C1] ? __pfx_lock_release+0x10/0x10 [ 280.127800][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 280.133371][ C1] ? schedule+0x90/0x320 [ 280.137692][ C1] schedule+0x14b/0x320 [ 280.141922][ C1] schedule_preempt_disabled+0x13/0x30 [ 280.147415][ C1] __mutex_lock+0x6a4/0xd70 [ 280.152003][ C1] ? __mutex_lock+0x527/0xd70 [ 280.156724][ C1] ? rtnl_lock_killable+0x113/0x200 [ 280.162000][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 280.167089][ C1] rtnl_lock_killable+0x113/0x200 [ 280.172210][ C1] register_netdev+0x13/0x50 [ 280.176841][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 280.181751][ C1] ops_init+0x359/0x610 [ 280.185981][ C1] setup_net+0x515/0xca0 [ 280.190251][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 280.195875][ C1] ? __pfx_setup_net+0x10/0x10 [ 280.200712][ C1] copy_net_ns+0x4e2/0x7b0 [ 280.205170][ C1] create_new_namespaces+0x425/0x7b0 [ 280.210522][ C1] ? bpf_lsm_capable+0x9/0x10 [ 280.215239][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 280.221034][ C1] ksys_unshare+0x619/0xc10 [ 280.225594][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 280.230683][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 280.236705][ C1] ? do_syscall_64+0x100/0x230 [ 280.241546][ C1] __x64_sys_unshare+0x38/0x40 [ 280.246340][ C1] do_syscall_64+0xf3/0x230 [ 280.250916][ C1] ? clear_bhb_loop+0x35/0x90 [ 280.255634][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.261589][ C1] RIP: 0033:0x7fadcffbc2f7 [ 280.266028][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 280.274502][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 280.282523][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 280.290546][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 280.298544][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 280.306573][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 280.314642][ C1] [ 280.317688][ C1] DEBUG: waiting rtnl_mutex for 8140 jiffies. [ 280.323806][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 280.334050][ C1] Call Trace: [ 280.337360][ C1] [ 280.340328][ C1] __schedule+0x17e8/0x4a20 [ 280.344951][ C1] ? __pfx___schedule+0x10/0x10 [ 280.349851][ C1] ? __pfx_lock_release+0x10/0x10 [ 280.354955][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 280.360507][ C1] ? schedule+0x90/0x320 [ 280.364804][ C1] schedule+0x14b/0x320 [ 280.369002][ C1] schedule_preempt_disabled+0x13/0x30 [ 280.374538][ C1] __mutex_lock+0x6a4/0xd70 [ 280.379091][ C1] ? __mutex_lock+0x527/0xd70 [ 280.383855][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 280.389105][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 280.394217][ C1] ? rtnl_lock+0xe7/0x130 [ 280.398588][ C1] ip_tunnel_init_net+0x20e/0x710 [ 280.403702][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 280.409324][ C1] vti_init_net+0x2e/0xf0 [ 280.413725][ C1] ops_init+0x359/0x610 [ 280.417938][ C1] setup_net+0x515/0xca0 [ 280.422247][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 280.427841][ C1] ? __pfx_setup_net+0x10/0x10 [ 280.432681][ C1] copy_net_ns+0x4e2/0x7b0 [ 280.437146][ C1] create_new_namespaces+0x425/0x7b0 [ 280.442503][ C1] ? bpf_lsm_capable+0x9/0x10 [ 280.447227][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 280.453014][ C1] ksys_unshare+0x619/0xc10 [ 280.457556][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 280.462644][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 280.468660][ C1] ? do_syscall_64+0x100/0x230 [ 280.473484][ C1] __x64_sys_unshare+0x38/0x40 [ 280.478279][ C1] do_syscall_64+0xf3/0x230 [ 280.482840][ C1] ? clear_bhb_loop+0x35/0x90 [ 280.487547][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.493495][ C1] RIP: 0033:0x7fadcffbc2f7 [ 280.497938][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 280.506408][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 280.514435][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 280.522470][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 280.530520][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 280.538535][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 280.546595][ C1] [ 280.549639][ C1] [ 280.549639][ C1] Showing all locks held in the system: [ 280.557464][ C1] 2 locks held by getty/4849: [ 280.562199][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 280.572046][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 280.582240][ C1] 2 locks held by syz-executor129/5110: [ 280.587807][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 280.597312][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 280.606910][ C1] 2 locks held by syz-executor129/5111: [ 280.612528][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 280.622038][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 280.631621][ C1] 3 locks held by syz-executor129/5116: [ 280.637190][ C1] 3 locks held by syz-executor129/5135: [ 280.642790][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 280.652976][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 280.662808][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 280.672758][ C1] 1 lock held by syz-executor129/5137: [ 280.678231][ C1] [ 280.680596][ C1] ============================================= [ 280.680596][ C1] [ 281.690486][ C1] DEBUG: waiting rtnl_mutex for 8276 jiffies. [ 281.696705][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 281.706955][ C1] Call Trace: [ 281.710256][ C1] [ 281.713282][ C1] __schedule+0x17e8/0x4a20 [ 281.717848][ C1] ? __pfx___schedule+0x10/0x10 [ 281.722765][ C1] ? __pfx_lock_release+0x10/0x10 [ 281.727824][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 281.733370][ C1] ? schedule+0x90/0x320 [ 281.737657][ C1] schedule+0x14b/0x320 [ 281.741888][ C1] schedule_preempt_disabled+0x13/0x30 [ 281.747387][ C1] __mutex_lock+0x6a4/0xd70 [ 281.751972][ C1] ? __mutex_lock+0x527/0xd70 [ 281.756689][ C1] ? rtnl_lock_killable+0x113/0x200 [ 281.761966][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 281.767044][ C1] rtnl_lock_killable+0x113/0x200 [ 281.772144][ C1] register_netdev+0x13/0x50 [ 281.776775][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 281.781743][ C1] ops_init+0x359/0x610 [ 281.785947][ C1] setup_net+0x515/0xca0 [ 281.790217][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 281.795859][ C1] ? __pfx_setup_net+0x10/0x10 [ 281.800700][ C1] copy_net_ns+0x4e2/0x7b0 [ 281.805161][ C1] create_new_namespaces+0x425/0x7b0 [ 281.810523][ C1] ? bpf_lsm_capable+0x9/0x10 [ 281.815246][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 281.821043][ C1] ksys_unshare+0x619/0xc10 [ 281.825605][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 281.830704][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 281.836731][ C1] ? do_syscall_64+0x100/0x230 [ 281.841560][ C1] __x64_sys_unshare+0x38/0x40 [ 281.846354][ C1] do_syscall_64+0xf3/0x230 [ 281.850944][ C1] ? clear_bhb_loop+0x35/0x90 [ 281.855659][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.861629][ C1] RIP: 0033:0x7fadcffbc2f7 [ 281.866075][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 281.874579][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 281.882634][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 281.890668][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 281.898680][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 281.906706][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 281.914760][ C1] [ 281.917807][ C1] DEBUG: waiting rtnl_mutex for 8300 jiffies. [ 281.923932][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 281.934184][ C1] Call Trace: [ 281.937486][ C1] [ 281.940475][ C1] __schedule+0x17e8/0x4a20 [ 281.945058][ C1] ? __pfx___schedule+0x10/0x10 [ 281.949960][ C1] ? __pfx_lock_release+0x10/0x10 [ 281.955095][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 281.960663][ C1] ? schedule+0x90/0x320 [ 281.964953][ C1] schedule+0x14b/0x320 [ 281.969157][ C1] schedule_preempt_disabled+0x13/0x30 [ 281.974733][ C1] __mutex_lock+0x6a4/0xd70 [ 281.979287][ C1] ? __mutex_lock+0x527/0xd70 [ 281.984049][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 281.989298][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 281.994445][ C1] ? rtnl_lock+0xe7/0x130 [ 281.998844][ C1] ip_tunnel_init_net+0x20e/0x710 [ 282.004022][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 282.009666][ C1] vti_init_net+0x2e/0xf0 [ 282.014112][ C1] ops_init+0x359/0x610 [ 282.018346][ C1] setup_net+0x515/0xca0 [ 282.022697][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 282.028306][ C1] ? __pfx_setup_net+0x10/0x10 [ 282.033191][ C1] copy_net_ns+0x4e2/0x7b0 [ 282.037677][ C1] create_new_namespaces+0x425/0x7b0 [ 282.043056][ C1] ? bpf_lsm_capable+0x9/0x10 [ 282.047791][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 282.053595][ C1] ksys_unshare+0x619/0xc10 [ 282.058157][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 282.063260][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 282.069289][ C1] ? do_syscall_64+0x100/0x230 [ 282.074126][ C1] __x64_sys_unshare+0x38/0x40 [ 282.078944][ C1] do_syscall_64+0xf3/0x230 [ 282.083525][ C1] ? clear_bhb_loop+0x35/0x90 [ 282.088248][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.094218][ C1] RIP: 0033:0x7fadcffbc2f7 [ 282.098671][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 282.107162][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 282.115198][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 282.123246][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 282.131289][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 282.139291][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 282.147350][ C1] [ 282.150412][ C1] [ 282.150412][ C1] Showing all locks held in the system: [ 282.158218][ C1] 2 locks held by getty/4849: [ 282.162958][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 282.172824][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 282.183030][ C1] 2 locks held by syz-executor129/5110: [ 282.188603][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 282.198121][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 282.207725][ C1] 2 locks held by syz-executor129/5111: [ 282.213330][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 282.222843][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 282.232443][ C1] 3 locks held by syz-executor129/5116: [ 282.238018][ C1] 3 locks held by syz-executor129/5135: [ 282.243622][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 282.253829][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 282.263693][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 282.273666][ C1] 2 locks held by syz-executor129/5137: [ 282.279232][ C1] [ 282.281611][ C1] ============================================= [ 282.281611][ C1] [ 283.290465][ C1] DEBUG: waiting rtnl_mutex for 8436 jiffies. [ 283.296619][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 283.306898][ C1] Call Trace: [ 283.310206][ C1] [ 283.313209][ C1] __schedule+0x17e8/0x4a20 [ 283.317784][ C1] ? __pfx___schedule+0x10/0x10 [ 283.322718][ C1] ? __pfx_lock_release+0x10/0x10 [ 283.327785][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 283.333336][ C1] ? schedule+0x90/0x320 [ 283.337620][ C1] schedule+0x14b/0x320 [ 283.341851][ C1] schedule_preempt_disabled+0x13/0x30 [ 283.347353][ C1] __mutex_lock+0x6a4/0xd70 [ 283.351947][ C1] ? __mutex_lock+0x527/0xd70 [ 283.356673][ C1] ? rtnl_lock_killable+0x113/0x200 [ 283.361949][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 283.367039][ C1] rtnl_lock_killable+0x113/0x200 [ 283.372158][ C1] register_netdev+0x13/0x50 [ 283.376798][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 283.381770][ C1] ops_init+0x359/0x610 [ 283.385980][ C1] setup_net+0x515/0xca0 [ 283.390267][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 283.395909][ C1] ? __pfx_setup_net+0x10/0x10 [ 283.400779][ C1] copy_net_ns+0x4e2/0x7b0 [ 283.405243][ C1] create_new_namespaces+0x425/0x7b0 [ 283.410610][ C1] ? bpf_lsm_capable+0x9/0x10 [ 283.415335][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 283.421130][ C1] ksys_unshare+0x619/0xc10 [ 283.425688][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 283.430793][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 283.436828][ C1] ? do_syscall_64+0x100/0x230 [ 283.441688][ C1] __x64_sys_unshare+0x38/0x40 [ 283.446500][ C1] do_syscall_64+0xf3/0x230 [ 283.451074][ C1] ? clear_bhb_loop+0x35/0x90 [ 283.455796][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.461768][ C1] RIP: 0033:0x7fadcffbc2f7 [ 283.466215][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 283.474945][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 283.483019][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 283.491065][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 283.499072][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 283.507114][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 283.515178][ C1] [ 283.518223][ C1] DEBUG: waiting rtnl_mutex for 8460 jiffies. [ 283.524346][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 283.534603][ C1] Call Trace: [ 283.537922][ C1] [ 283.540935][ C1] __schedule+0x17e8/0x4a20 [ 283.545519][ C1] ? __pfx___schedule+0x10/0x10 [ 283.550433][ C1] ? __pfx_lock_release+0x10/0x10 [ 283.555540][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 283.561100][ C1] ? schedule+0x90/0x320 [ 283.565387][ C1] schedule+0x14b/0x320 [ 283.569585][ C1] schedule_preempt_disabled+0x13/0x30 [ 283.575118][ C1] __mutex_lock+0x6a4/0xd70 [ 283.579670][ C1] ? __mutex_lock+0x527/0xd70 [ 283.584422][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 283.589668][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 283.594792][ C1] ? rtnl_lock+0xe7/0x130 [ 283.599169][ C1] ip_tunnel_init_net+0x20e/0x710 [ 283.604284][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 283.609902][ C1] vti_init_net+0x2e/0xf0 [ 283.614300][ C1] ops_init+0x359/0x610 [ 283.618505][ C1] setup_net+0x515/0xca0 [ 283.622820][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 283.628423][ C1] ? __pfx_setup_net+0x10/0x10 [ 283.633278][ C1] copy_net_ns+0x4e2/0x7b0 [ 283.637745][ C1] create_new_namespaces+0x425/0x7b0 [ 283.643110][ C1] ? bpf_lsm_capable+0x9/0x10 [ 283.647842][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 283.653646][ C1] ksys_unshare+0x619/0xc10 [ 283.658207][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 283.663312][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 283.669366][ C1] ? do_syscall_64+0x100/0x230 [ 283.674233][ C1] __x64_sys_unshare+0x38/0x40 [ 283.679049][ C1] do_syscall_64+0xf3/0x230 [ 283.683628][ C1] ? clear_bhb_loop+0x35/0x90 [ 283.688346][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.694313][ C1] RIP: 0033:0x7fadcffbc2f7 [ 283.698757][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 283.707253][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 283.715293][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 283.723334][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 283.731385][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 283.739398][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 283.747467][ C1] [ 283.750570][ C1] [ 283.750570][ C1] Showing all locks held in the system: [ 283.758345][ C1] 2 locks held by getty/4849: [ 283.763088][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 283.772961][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 283.783173][ C1] 2 locks held by syz-executor129/5110: [ 283.788743][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 283.798264][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 283.807874][ C1] 2 locks held by syz-executor129/5111: [ 283.813481][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 283.823004][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 283.832611][ C1] 3 locks held by syz-executor129/5116: [ 283.838182][ C1] 3 locks held by syz-executor129/5135: [ 283.843786][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 283.853991][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 283.863855][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 283.873831][ C1] [ 283.876182][ C1] ============================================= [ 283.876182][ C1] [ 284.890466][ C1] DEBUG: waiting rtnl_mutex for 8596 jiffies. [ 284.896605][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 284.906865][ C1] Call Trace: [ 284.910172][ C1] [ 284.913174][ C1] __schedule+0x17e8/0x4a20 [ 284.917763][ C1] ? __pfx___schedule+0x10/0x10 [ 284.922705][ C1] ? __pfx_lock_release+0x10/0x10 [ 284.927780][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 284.933336][ C1] ? schedule+0x90/0x320 [ 284.937622][ C1] schedule+0x14b/0x320 [ 284.941865][ C1] schedule_preempt_disabled+0x13/0x30 [ 284.947371][ C1] __mutex_lock+0x6a4/0xd70 [ 284.951967][ C1] ? __mutex_lock+0x527/0xd70 [ 284.956698][ C1] ? rtnl_lock_killable+0x113/0x200 [ 284.961983][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 284.967074][ C1] rtnl_lock_killable+0x113/0x200 [ 284.972183][ C1] register_netdev+0x13/0x50 [ 284.976821][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 284.981794][ C1] ops_init+0x359/0x610 [ 284.986005][ C1] setup_net+0x515/0xca0 [ 284.990288][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 284.995922][ C1] ? __pfx_setup_net+0x10/0x10 [ 285.000780][ C1] copy_net_ns+0x4e2/0x7b0 [ 285.005249][ C1] create_new_namespaces+0x425/0x7b0 [ 285.010615][ C1] ? bpf_lsm_capable+0x9/0x10 [ 285.015350][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 285.021148][ C1] ksys_unshare+0x619/0xc10 [ 285.025715][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 285.030820][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 285.036852][ C1] ? do_syscall_64+0x100/0x230 [ 285.041702][ C1] __x64_sys_unshare+0x38/0x40 [ 285.046517][ C1] do_syscall_64+0xf3/0x230 [ 285.051094][ C1] ? clear_bhb_loop+0x35/0x90 [ 285.055814][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.061782][ C1] RIP: 0033:0x7fadcffbc2f7 [ 285.066230][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 285.074739][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 285.082787][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 285.090857][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 285.098885][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 285.106973][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 285.115066][ C1] [ 285.118134][ C1] DEBUG: waiting rtnl_mutex for 8620 jiffies. [ 285.124261][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 285.134548][ C1] Call Trace: [ 285.137859][ C1] [ 285.140861][ C1] __schedule+0x17e8/0x4a20 [ 285.145436][ C1] ? __pfx___schedule+0x10/0x10 [ 285.150338][ C1] ? __pfx_lock_release+0x10/0x10 [ 285.155448][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 285.161004][ C1] ? schedule+0x90/0x320 [ 285.165288][ C1] schedule+0x14b/0x320 [ 285.169578][ C1] schedule_preempt_disabled+0x13/0x30 [ 285.175201][ C1] __mutex_lock+0x6a4/0xd70 [ 285.179754][ C1] ? __mutex_lock+0x527/0xd70 [ 285.184521][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 285.189771][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 285.194885][ C1] ? rtnl_lock+0xe7/0x130 [ 285.199262][ C1] ip_tunnel_init_net+0x20e/0x710 [ 285.204378][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 285.210020][ C1] vti_init_net+0x2e/0xf0 [ 285.214419][ C1] ops_init+0x359/0x610 [ 285.218633][ C1] setup_net+0x515/0xca0 [ 285.222954][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 285.228550][ C1] ? __pfx_setup_net+0x10/0x10 [ 285.233403][ C1] copy_net_ns+0x4e2/0x7b0 [ 285.237876][ C1] create_new_namespaces+0x425/0x7b0 [ 285.243240][ C1] ? bpf_lsm_capable+0x9/0x10 [ 285.247970][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 285.253770][ C1] ksys_unshare+0x619/0xc10 [ 285.258333][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 285.263438][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 285.269488][ C1] ? do_syscall_64+0x100/0x230 [ 285.274338][ C1] __x64_sys_unshare+0x38/0x40 [ 285.279152][ C1] do_syscall_64+0xf3/0x230 [ 285.283728][ C1] ? clear_bhb_loop+0x35/0x90 [ 285.288448][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.294432][ C1] RIP: 0033:0x7fadcffbc2f7 [ 285.298885][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 285.307379][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 285.315422][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 285.323473][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 285.331517][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 285.339522][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 285.347584][ C1] [ 285.350668][ C1] [ 285.350668][ C1] Showing all locks held in the system: [ 285.358448][ C1] 2 locks held by getty/4849: [ 285.363195][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 285.373067][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 285.383275][ C1] 2 locks held by syz-executor129/5110: [ 285.388846][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 285.398362][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 285.407980][ C1] 2 locks held by syz-executor129/5111: [ 285.413593][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 285.423111][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 285.432717][ C1] 3 locks held by syz-executor129/5116: [ 285.438287][ C1] 3 locks held by syz-executor129/5135: [ 285.443887][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 285.454093][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 285.463991][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 285.473970][ C1] [ 285.476320][ C1] ============================================= [ 285.476320][ C1] [ 286.490464][ C1] DEBUG: waiting rtnl_mutex for 8756 jiffies. [ 286.496619][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 286.506872][ C1] Call Trace: [ 286.510178][ C1] [ 286.513180][ C1] __schedule+0x17e8/0x4a20 [ 286.517772][ C1] ? __pfx___schedule+0x10/0x10 [ 286.522701][ C1] ? __pfx_lock_release+0x10/0x10 [ 286.527766][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 286.533328][ C1] ? schedule+0x90/0x320 [ 286.537608][ C1] schedule+0x14b/0x320 [ 286.541846][ C1] schedule_preempt_disabled+0x13/0x30 [ 286.547376][ C1] __mutex_lock+0x6a4/0xd70 [ 286.552010][ C1] ? __mutex_lock+0x527/0xd70 [ 286.556744][ C1] ? rtnl_lock_killable+0x113/0x200 [ 286.562033][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 286.567125][ C1] rtnl_lock_killable+0x113/0x200 [ 286.572237][ C1] register_netdev+0x13/0x50 [ 286.576881][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 286.581838][ C1] ops_init+0x359/0x610 [ 286.586049][ C1] setup_net+0x515/0xca0 [ 286.590354][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 286.596028][ C1] ? __pfx_setup_net+0x10/0x10 [ 286.600891][ C1] copy_net_ns+0x4e2/0x7b0 [ 286.605363][ C1] create_new_namespaces+0x425/0x7b0 [ 286.610734][ C1] ? bpf_lsm_capable+0x9/0x10 [ 286.615461][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 286.621263][ C1] ksys_unshare+0x619/0xc10 [ 286.625826][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 286.630929][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.636959][ C1] ? do_syscall_64+0x100/0x230 [ 286.641802][ C1] __x64_sys_unshare+0x38/0x40 [ 286.646610][ C1] do_syscall_64+0xf3/0x230 [ 286.651186][ C1] ? clear_bhb_loop+0x35/0x90 [ 286.655908][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.661874][ C1] RIP: 0033:0x7fadcffbc2f7 [ 286.666324][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 286.674848][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 286.682913][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 286.690958][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 286.698972][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.707012][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 286.715072][ C1] [ 286.718125][ C1] DEBUG: waiting rtnl_mutex for 8780 jiffies. [ 286.724247][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 286.734501][ C1] Call Trace: [ 286.737879][ C1] [ 286.740892][ C1] __schedule+0x17e8/0x4a20 [ 286.745470][ C1] ? __pfx___schedule+0x10/0x10 [ 286.750368][ C1] ? __pfx_lock_release+0x10/0x10 [ 286.755476][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 286.761028][ C1] ? schedule+0x90/0x320 [ 286.765311][ C1] schedule+0x14b/0x320 [ 286.769511][ C1] schedule_preempt_disabled+0x13/0x30 [ 286.775048][ C1] __mutex_lock+0x6a4/0xd70 [ 286.779609][ C1] ? __mutex_lock+0x527/0xd70 [ 286.784371][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 286.789633][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 286.794764][ C1] ? rtnl_lock+0xe7/0x130 [ 286.799276][ C1] ip_tunnel_init_net+0x20e/0x710 [ 286.804393][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 286.810008][ C1] vti_init_net+0x2e/0xf0 [ 286.814413][ C1] ops_init+0x359/0x610 [ 286.818636][ C1] setup_net+0x515/0xca0 [ 286.822955][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 286.828598][ C1] ? __pfx_setup_net+0x10/0x10 [ 286.833459][ C1] copy_net_ns+0x4e2/0x7b0 [ 286.837927][ C1] create_new_namespaces+0x425/0x7b0 [ 286.843293][ C1] ? bpf_lsm_capable+0x9/0x10 [ 286.848023][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 286.853824][ C1] ksys_unshare+0x619/0xc10 [ 286.858385][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 286.863572][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.869647][ C1] ? do_syscall_64+0x100/0x230 [ 286.874493][ C1] __x64_sys_unshare+0x38/0x40 [ 286.879307][ C1] do_syscall_64+0xf3/0x230 [ 286.883886][ C1] ? clear_bhb_loop+0x35/0x90 [ 286.888613][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.894588][ C1] RIP: 0033:0x7fadcffbc2f7 [ 286.899039][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 286.907532][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 286.915586][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 286.923637][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 286.931675][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.939717][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 286.947780][ C1] [ 286.950864][ C1] [ 286.950864][ C1] Showing all locks held in the system: [ 286.958645][ C1] 2 locks held by getty/4849: [ 286.963392][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.973258][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 286.983471][ C1] 2 locks held by syz-executor129/5110: [ 286.989044][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 286.998563][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 287.008210][ C1] 2 locks held by syz-executor129/5111: [ 287.013820][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 287.023337][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 287.032942][ C1] 3 locks held by syz-executor129/5116: [ 287.038516][ C1] 3 locks held by syz-executor129/5135: [ 287.044123][ C1] #0: ffffc9000363fb40 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 287.054341][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 287.064207][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.074174][ C1] [ 287.076528][ C1] ============================================= [ 287.076528][ C1] [ 288.090479][ C1] DEBUG: waiting rtnl_mutex for 8916 jiffies. [ 288.096633][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 288.106891][ C1] Call Trace: [ 288.110200][ C1] [ 288.113205][ C1] __schedule+0x17e8/0x4a20 [ 288.117780][ C1] ? __pfx___schedule+0x10/0x10 [ 288.122714][ C1] ? __pfx_lock_release+0x10/0x10 [ 288.127784][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 288.133343][ C1] ? schedule+0x90/0x320 [ 288.137623][ C1] schedule+0x14b/0x320 [ 288.141860][ C1] schedule_preempt_disabled+0x13/0x30 [ 288.147362][ C1] __mutex_lock+0x6a4/0xd70 [ 288.151950][ C1] ? __mutex_lock+0x527/0xd70 [ 288.156673][ C1] ? rtnl_lock_killable+0x113/0x200 [ 288.161974][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 288.167069][ C1] rtnl_lock_killable+0x113/0x200 [ 288.172211][ C1] register_netdev+0x13/0x50 [ 288.176874][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 288.181839][ C1] ops_init+0x359/0x610 [ 288.186156][ C1] setup_net+0x515/0xca0 [ 288.190489][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 288.196092][ C1] ? __pfx_setup_net+0x10/0x10 [ 288.200947][ C1] copy_net_ns+0x4e2/0x7b0 [ 288.205419][ C1] create_new_namespaces+0x425/0x7b0 [ 288.210783][ C1] ? bpf_lsm_capable+0x9/0x10 [ 288.215513][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 288.221311][ C1] ksys_unshare+0x619/0xc10 [ 288.225874][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 288.230974][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.237006][ C1] ? do_syscall_64+0x100/0x230 [ 288.241852][ C1] __x64_sys_unshare+0x38/0x40 [ 288.246662][ C1] do_syscall_64+0xf3/0x230 [ 288.251246][ C1] ? clear_bhb_loop+0x35/0x90 [ 288.255964][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.261926][ C1] RIP: 0033:0x7fadcffbc2f7 [ 288.266374][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 288.274865][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 288.282909][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 288.290944][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 288.298949][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 288.306987][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 288.315050][ C1] [ 288.318099][ C1] DEBUG: waiting rtnl_mutex for 8940 jiffies. [ 288.324235][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 288.334481][ C1] Call Trace: [ 288.337787][ C1] [ 288.340782][ C1] __schedule+0x17e8/0x4a20 [ 288.345353][ C1] ? __pfx___schedule+0x10/0x10 [ 288.350247][ C1] ? __pfx_lock_release+0x10/0x10 [ 288.355352][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 288.360903][ C1] ? schedule+0x90/0x320 [ 288.365221][ C1] schedule+0x14b/0x320 [ 288.369422][ C1] schedule_preempt_disabled+0x13/0x30 [ 288.374956][ C1] __mutex_lock+0x6a4/0xd70 [ 288.379507][ C1] ? __mutex_lock+0x527/0xd70 [ 288.384281][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 288.389530][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 288.394734][ C1] ? rtnl_lock+0xe7/0x130 [ 288.399112][ C1] ip_tunnel_init_net+0x20e/0x710 [ 288.404249][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 288.409863][ C1] vti_init_net+0x2e/0xf0 [ 288.414270][ C1] ops_init+0x359/0x610 [ 288.418480][ C1] setup_net+0x515/0xca0 [ 288.422797][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 288.428395][ C1] ? __pfx_setup_net+0x10/0x10 [ 288.433254][ C1] copy_net_ns+0x4e2/0x7b0 [ 288.437719][ C1] create_new_namespaces+0x425/0x7b0 [ 288.443082][ C1] ? bpf_lsm_capable+0x9/0x10 [ 288.447811][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 288.453611][ C1] ksys_unshare+0x619/0xc10 [ 288.458168][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 288.463276][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.469307][ C1] ? do_syscall_64+0x100/0x230 [ 288.474147][ C1] __x64_sys_unshare+0x38/0x40 [ 288.478958][ C1] do_syscall_64+0xf3/0x230 [ 288.483536][ C1] ? clear_bhb_loop+0x35/0x90 [ 288.488269][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.494244][ C1] RIP: 0033:0x7fadcffbc2f7 [ 288.498690][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 288.507179][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 288.515231][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 288.523270][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 288.531333][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 288.539352][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 288.547428][ C1] [ 288.550550][ C1] [ 288.550550][ C1] Showing all locks held in the system: [ 288.558329][ C1] 2 locks held by getty/4849: [ 288.563068][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 288.572946][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 288.583162][ C1] 2 locks held by syz-executor129/5110: [ 288.588732][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 288.598268][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 288.607884][ C1] 2 locks held by syz-executor129/5111: [ 288.613489][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 288.623002][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 288.632666][ C1] 3 locks held by syz-executor129/5116: [ 288.638264][ C1] 3 locks held by syz-executor129/5135: [ 288.643889][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 288.654105][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 288.664003][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 288.673994][ C1] 2 locks held by syz-executor129/5137: [ 288.679567][ C1] [ 288.681950][ C1] ============================================= [ 288.681950][ C1] [ 289.690499][ C1] DEBUG: waiting rtnl_mutex for 9076 jiffies. [ 289.696758][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 289.707026][ C1] Call Trace: [ 289.710339][ C1] [ 289.713350][ C1] __schedule+0x17e8/0x4a20 [ 289.717933][ C1] ? __pfx___schedule+0x10/0x10 [ 289.722866][ C1] ? __pfx_lock_release+0x10/0x10 [ 289.727937][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 289.733495][ C1] ? schedule+0x90/0x320 [ 289.737777][ C1] schedule+0x14b/0x320 [ 289.742017][ C1] schedule_preempt_disabled+0x13/0x30 [ 289.747518][ C1] __mutex_lock+0x6a4/0xd70 [ 289.752108][ C1] ? __mutex_lock+0x527/0xd70 [ 289.756835][ C1] ? rtnl_lock_killable+0x113/0x200 [ 289.762114][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 289.767201][ C1] rtnl_lock_killable+0x113/0x200 [ 289.772308][ C1] register_netdev+0x13/0x50 [ 289.776949][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 289.781884][ C1] ops_init+0x359/0x610 [ 289.786094][ C1] setup_net+0x515/0xca0 [ 289.790380][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 289.796024][ C1] ? __pfx_setup_net+0x10/0x10 [ 289.800873][ C1] copy_net_ns+0x4e2/0x7b0 [ 289.805337][ C1] create_new_namespaces+0x425/0x7b0 [ 289.810738][ C1] ? bpf_lsm_capable+0x9/0x10 [ 289.815467][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 289.821271][ C1] ksys_unshare+0x619/0xc10 [ 289.825834][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 289.830939][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 289.836970][ C1] ? do_syscall_64+0x100/0x230 [ 289.841812][ C1] __x64_sys_unshare+0x38/0x40 [ 289.846624][ C1] do_syscall_64+0xf3/0x230 [ 289.851196][ C1] ? clear_bhb_loop+0x35/0x90 [ 289.855922][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.861886][ C1] RIP: 0033:0x7fadcffbc2f7 [ 289.866336][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 289.874852][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 289.882894][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 289.890929][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 289.898932][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 289.906972][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 289.915031][ C1] [ 289.918078][ C1] DEBUG: waiting rtnl_mutex for 9100 jiffies. [ 289.924200][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 289.934447][ C1] Call Trace: [ 289.937755][ C1] [ 289.940746][ C1] __schedule+0x17e8/0x4a20 [ 289.945320][ C1] ? __pfx___schedule+0x10/0x10 [ 289.950220][ C1] ? __pfx_lock_release+0x10/0x10 [ 289.955327][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 289.960885][ C1] ? schedule+0x90/0x320 [ 289.965177][ C1] schedule+0x14b/0x320 [ 289.969378][ C1] schedule_preempt_disabled+0x13/0x30 [ 289.974916][ C1] __mutex_lock+0x6a4/0xd70 [ 289.979476][ C1] ? __mutex_lock+0x527/0xd70 [ 289.984234][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 289.989485][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 289.994600][ C1] ? rtnl_lock+0xe7/0x130 [ 289.998976][ C1] ip_tunnel_init_net+0x20e/0x710 [ 290.004099][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 290.009714][ C1] vti_init_net+0x2e/0xf0 [ 290.014117][ C1] ops_init+0x359/0x610 [ 290.018329][ C1] setup_net+0x515/0xca0 [ 290.022674][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 290.028277][ C1] ? __pfx_setup_net+0x10/0x10 [ 290.033139][ C1] copy_net_ns+0x4e2/0x7b0 [ 290.037606][ C1] create_new_namespaces+0x425/0x7b0 [ 290.042972][ C1] ? bpf_lsm_capable+0x9/0x10 [ 290.047704][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 290.053499][ C1] ksys_unshare+0x619/0xc10 [ 290.058054][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 290.063151][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 290.069181][ C1] ? do_syscall_64+0x100/0x230 [ 290.074033][ C1] __x64_sys_unshare+0x38/0x40 [ 290.078843][ C1] do_syscall_64+0xf3/0x230 [ 290.083420][ C1] ? clear_bhb_loop+0x35/0x90 [ 290.088141][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.094105][ C1] RIP: 0033:0x7fadcffbc2f7 [ 290.098553][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 290.107045][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 290.115083][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 290.123127][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 290.131159][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 290.139164][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 290.147223][ C1] [ 290.150272][ C1] [ 290.150272][ C1] Showing all locks held in the system: [ 290.158090][ C1] 2 locks held by getty/4849: [ 290.162836][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 290.172706][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 290.182913][ C1] 2 locks held by syz-executor129/5110: [ 290.188484][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 290.198058][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 290.207723][ C1] 2 locks held by syz-executor129/5111: [ 290.213341][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 290.222868][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 290.232480][ C1] 3 locks held by syz-executor129/5116: [ 290.238061][ C1] 3 locks held by syz-executor129/5135: [ 290.243663][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 290.253877][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 290.263746][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 290.273696][ C1] [ 290.276049][ C1] ============================================= [ 290.276049][ C1] [ 291.290462][ C1] DEBUG: waiting rtnl_mutex for 9236 jiffies. [ 291.296605][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 291.306867][ C1] Call Trace: [ 291.310183][ C1] [ 291.313188][ C1] __schedule+0x17e8/0x4a20 [ 291.317766][ C1] ? __pfx___schedule+0x10/0x10 [ 291.322698][ C1] ? __pfx_lock_release+0x10/0x10 [ 291.327763][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 291.333320][ C1] ? schedule+0x90/0x320 [ 291.337604][ C1] schedule+0x14b/0x320 [ 291.341842][ C1] schedule_preempt_disabled+0x13/0x30 [ 291.347344][ C1] __mutex_lock+0x6a4/0xd70 [ 291.351936][ C1] ? __mutex_lock+0x527/0xd70 [ 291.356658][ C1] ? rtnl_lock_killable+0x113/0x200 [ 291.361938][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 291.367026][ C1] rtnl_lock_killable+0x113/0x200 [ 291.372229][ C1] register_netdev+0x13/0x50 [ 291.376910][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 291.381889][ C1] ops_init+0x359/0x610 [ 291.386100][ C1] setup_net+0x515/0xca0 [ 291.390382][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 291.396013][ C1] ? __pfx_setup_net+0x10/0x10 [ 291.400869][ C1] copy_net_ns+0x4e2/0x7b0 [ 291.405339][ C1] create_new_namespaces+0x425/0x7b0 [ 291.410707][ C1] ? bpf_lsm_capable+0x9/0x10 [ 291.415434][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 291.421230][ C1] ksys_unshare+0x619/0xc10 [ 291.425798][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 291.430903][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 291.436934][ C1] ? do_syscall_64+0x100/0x230 [ 291.441782][ C1] __x64_sys_unshare+0x38/0x40 [ 291.446592][ C1] do_syscall_64+0xf3/0x230 [ 291.451167][ C1] ? clear_bhb_loop+0x35/0x90 [ 291.455885][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.461857][ C1] RIP: 0033:0x7fadcffbc2f7 [ 291.466305][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 291.474827][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 291.482901][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 291.490972][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 291.498995][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 291.507061][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 291.515123][ C1] [ 291.518168][ C1] DEBUG: waiting rtnl_mutex for 9260 jiffies. [ 291.524291][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 291.534533][ C1] Call Trace: [ 291.537855][ C1] [ 291.540875][ C1] __schedule+0x17e8/0x4a20 [ 291.545472][ C1] ? __pfx___schedule+0x10/0x10 [ 291.550376][ C1] ? __pfx_lock_release+0x10/0x10 [ 291.555503][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 291.561054][ C1] ? schedule+0x90/0x320 [ 291.565339][ C1] schedule+0x14b/0x320 [ 291.569548][ C1] schedule_preempt_disabled+0x13/0x30 [ 291.575088][ C1] __mutex_lock+0x6a4/0xd70 [ 291.579642][ C1] ? __mutex_lock+0x527/0xd70 [ 291.584400][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 291.589647][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 291.594759][ C1] ? rtnl_lock+0xe7/0x130 [ 291.599137][ C1] ip_tunnel_init_net+0x20e/0x710 [ 291.604255][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 291.609869][ C1] vti_init_net+0x2e/0xf0 [ 291.614272][ C1] ops_init+0x359/0x610 [ 291.618482][ C1] setup_net+0x515/0xca0 [ 291.622801][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 291.628399][ C1] ? __pfx_setup_net+0x10/0x10 [ 291.633255][ C1] copy_net_ns+0x4e2/0x7b0 [ 291.637719][ C1] create_new_namespaces+0x425/0x7b0 [ 291.643084][ C1] ? bpf_lsm_capable+0x9/0x10 [ 291.647808][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 291.653604][ C1] ksys_unshare+0x619/0xc10 [ 291.658162][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 291.663262][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 291.669316][ C1] ? do_syscall_64+0x100/0x230 [ 291.674190][ C1] __x64_sys_unshare+0x38/0x40 [ 291.679010][ C1] do_syscall_64+0xf3/0x230 [ 291.683592][ C1] ? clear_bhb_loop+0x35/0x90 [ 291.688314][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.694285][ C1] RIP: 0033:0x7fadcffbc2f7 [ 291.698733][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 291.707228][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 291.715281][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 291.723326][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 291.731362][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 291.739366][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 291.747433][ C1] [ 291.750514][ C1] [ 291.750514][ C1] Showing all locks held in the system: [ 291.758293][ C1] 2 locks held by getty/4849: [ 291.763035][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 291.772908][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 291.783133][ C1] 2 locks held by syz-executor129/5110: [ 291.788724][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 291.798245][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 291.807862][ C1] 2 locks held by syz-executor129/5111: [ 291.813469][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 291.822995][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 291.832610][ C1] 3 locks held by syz-executor129/5116: [ 291.838185][ C1] 3 locks held by syz-executor129/5135: [ 291.843795][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 291.854029][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 291.863914][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 291.873902][ C1] [ 291.876255][ C1] ============================================= [ 291.876255][ C1] [ 292.890467][ C1] DEBUG: waiting rtnl_mutex for 9396 jiffies. [ 292.896629][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 292.906890][ C1] Call Trace: [ 292.910237][ C1] [ 292.913244][ C1] __schedule+0x17e8/0x4a20 [ 292.917832][ C1] ? __pfx___schedule+0x10/0x10 [ 292.922773][ C1] ? __pfx_lock_release+0x10/0x10 [ 292.927847][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 292.933413][ C1] ? schedule+0x90/0x320 [ 292.937699][ C1] schedule+0x14b/0x320 [ 292.941937][ C1] schedule_preempt_disabled+0x13/0x30 [ 292.947441][ C1] __mutex_lock+0x6a4/0xd70 [ 292.952031][ C1] ? __mutex_lock+0x527/0xd70 [ 292.956755][ C1] ? rtnl_lock_killable+0x113/0x200 [ 292.962036][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 292.967134][ C1] rtnl_lock_killable+0x113/0x200 [ 292.972243][ C1] register_netdev+0x13/0x50 [ 292.976895][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 292.981872][ C1] ops_init+0x359/0x610 [ 292.986083][ C1] setup_net+0x515/0xca0 [ 292.990370][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 292.996006][ C1] ? __pfx_setup_net+0x10/0x10 [ 293.000865][ C1] copy_net_ns+0x4e2/0x7b0 [ 293.005334][ C1] create_new_namespaces+0x425/0x7b0 [ 293.010699][ C1] ? bpf_lsm_capable+0x9/0x10 [ 293.015426][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 293.021229][ C1] ksys_unshare+0x619/0xc10 [ 293.025792][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 293.030905][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 293.036938][ C1] ? do_syscall_64+0x100/0x230 [ 293.041783][ C1] __x64_sys_unshare+0x38/0x40 [ 293.046595][ C1] do_syscall_64+0xf3/0x230 [ 293.051171][ C1] ? clear_bhb_loop+0x35/0x90 [ 293.055894][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.061869][ C1] RIP: 0033:0x7fadcffbc2f7 [ 293.066318][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 293.074815][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 293.082871][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 293.090925][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 293.098931][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 293.106993][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 293.115070][ C1] [ 293.118118][ C1] DEBUG: waiting rtnl_mutex for 9420 jiffies. [ 293.124244][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 293.134491][ C1] Call Trace: [ 293.137800][ C1] [ 293.140801][ C1] __schedule+0x17e8/0x4a20 [ 293.145384][ C1] ? __pfx___schedule+0x10/0x10 [ 293.150281][ C1] ? __pfx_lock_release+0x10/0x10 [ 293.155390][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 293.160937][ C1] ? schedule+0x90/0x320 [ 293.165221][ C1] schedule+0x14b/0x320 [ 293.169430][ C1] schedule_preempt_disabled+0x13/0x30 [ 293.174965][ C1] __mutex_lock+0x6a4/0xd70 [ 293.179516][ C1] ? __mutex_lock+0x527/0xd70 [ 293.184272][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 293.189516][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 293.194632][ C1] ? rtnl_lock+0xe7/0x130 [ 293.199011][ C1] ip_tunnel_init_net+0x20e/0x710 [ 293.204137][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 293.209752][ C1] vti_init_net+0x2e/0xf0 [ 293.214157][ C1] ops_init+0x359/0x610 [ 293.218365][ C1] setup_net+0x515/0xca0 [ 293.222688][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 293.228285][ C1] ? __pfx_setup_net+0x10/0x10 [ 293.233143][ C1] copy_net_ns+0x4e2/0x7b0 [ 293.237611][ C1] create_new_namespaces+0x425/0x7b0 [ 293.242976][ C1] ? bpf_lsm_capable+0x9/0x10 [ 293.247702][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 293.253507][ C1] ksys_unshare+0x619/0xc10 [ 293.258066][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 293.263170][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 293.269202][ C1] ? do_syscall_64+0x100/0x230 [ 293.274046][ C1] __x64_sys_unshare+0x38/0x40 [ 293.278858][ C1] do_syscall_64+0xf3/0x230 [ 293.283433][ C1] ? clear_bhb_loop+0x35/0x90 [ 293.288160][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.294126][ C1] RIP: 0033:0x7fadcffbc2f7 [ 293.298576][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 293.307067][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 293.315111][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 293.323153][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 293.331187][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 293.339193][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 293.347294][ C1] [ 293.350348][ C1] [ 293.350348][ C1] Showing all locks held in the system: [ 293.358158][ C1] 2 locks held by getty/4849: [ 293.362903][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 293.372775][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 293.383006][ C1] 2 locks held by syz-executor129/5110: [ 293.388577][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 293.398095][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 293.407704][ C1] 2 locks held by syz-executor129/5111: [ 293.413322][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 293.422849][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 293.432460][ C1] 3 locks held by syz-executor129/5116: [ 293.438035][ C1] 3 locks held by syz-executor129/5135: [ 293.443639][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 293.453864][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 293.463726][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 293.473701][ C1] [ 293.476046][ C1] ============================================= [ 293.476046][ C1] [ 294.490479][ C1] DEBUG: waiting rtnl_mutex for 9556 jiffies. [ 294.496626][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 294.506970][ C1] Call Trace: [ 294.510281][ C1] [ 294.513288][ C1] __schedule+0x17e8/0x4a20 [ 294.517863][ C1] ? __pfx___schedule+0x10/0x10 [ 294.522794][ C1] ? __pfx_lock_release+0x10/0x10 [ 294.527860][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 294.533410][ C1] ? schedule+0x90/0x320 [ 294.537689][ C1] schedule+0x14b/0x320 [ 294.541925][ C1] schedule_preempt_disabled+0x13/0x30 [ 294.547446][ C1] __mutex_lock+0x6a4/0xd70 [ 294.552072][ C1] ? __mutex_lock+0x527/0xd70 [ 294.556804][ C1] ? rtnl_lock_killable+0x113/0x200 [ 294.562088][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 294.567174][ C1] rtnl_lock_killable+0x113/0x200 [ 294.572292][ C1] register_netdev+0x13/0x50 [ 294.576929][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 294.581924][ C1] ops_init+0x359/0x610 [ 294.586140][ C1] setup_net+0x515/0xca0 [ 294.590461][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 294.596056][ C1] ? __pfx_setup_net+0x10/0x10 [ 294.600912][ C1] copy_net_ns+0x4e2/0x7b0 [ 294.605375][ C1] create_new_namespaces+0x425/0x7b0 [ 294.610742][ C1] ? bpf_lsm_capable+0x9/0x10 [ 294.615471][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 294.621265][ C1] ksys_unshare+0x619/0xc10 [ 294.625828][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 294.630929][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 294.636968][ C1] ? do_syscall_64+0x100/0x230 [ 294.641817][ C1] __x64_sys_unshare+0x38/0x40 [ 294.646626][ C1] do_syscall_64+0xf3/0x230 [ 294.651195][ C1] ? clear_bhb_loop+0x35/0x90 [ 294.655916][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.661882][ C1] RIP: 0033:0x7fadcffbc2f7 [ 294.666333][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 294.674848][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 294.682902][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 294.690945][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 294.698951][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 294.706990][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 294.715054][ C1] [ 294.718116][ C1] DEBUG: waiting rtnl_mutex for 9580 jiffies. [ 294.724241][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 294.734487][ C1] Call Trace: [ 294.737908][ C1] [ 294.740917][ C1] __schedule+0x17e8/0x4a20 [ 294.745501][ C1] ? __pfx___schedule+0x10/0x10 [ 294.750400][ C1] ? __pfx_lock_release+0x10/0x10 [ 294.755515][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 294.761072][ C1] ? schedule+0x90/0x320 [ 294.765355][ C1] schedule+0x14b/0x320 [ 294.769555][ C1] schedule_preempt_disabled+0x13/0x30 [ 294.775093][ C1] __mutex_lock+0x6a4/0xd70 [ 294.779664][ C1] ? __mutex_lock+0x527/0xd70 [ 294.784428][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 294.789672][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 294.794794][ C1] ? rtnl_lock+0xe7/0x130 [ 294.799167][ C1] ip_tunnel_init_net+0x20e/0x710 [ 294.804281][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 294.809893][ C1] vti_init_net+0x2e/0xf0 [ 294.814298][ C1] ops_init+0x359/0x610 [ 294.818512][ C1] setup_net+0x515/0xca0 [ 294.822836][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 294.828436][ C1] ? __pfx_setup_net+0x10/0x10 [ 294.833292][ C1] copy_net_ns+0x4e2/0x7b0 [ 294.837760][ C1] create_new_namespaces+0x425/0x7b0 [ 294.843127][ C1] ? bpf_lsm_capable+0x9/0x10 [ 294.847856][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 294.853652][ C1] ksys_unshare+0x619/0xc10 [ 294.858213][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 294.863323][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 294.869382][ C1] ? do_syscall_64+0x100/0x230 [ 294.874220][ C1] __x64_sys_unshare+0x38/0x40 [ 294.879029][ C1] do_syscall_64+0xf3/0x230 [ 294.883604][ C1] ? clear_bhb_loop+0x35/0x90 [ 294.888339][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.894313][ C1] RIP: 0033:0x7fadcffbc2f7 [ 294.898759][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 294.907248][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 294.915291][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 294.923332][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 294.931366][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 294.939368][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 294.947429][ C1] [ 294.950509][ C1] [ 294.950509][ C1] Showing all locks held in the system: [ 294.958284][ C1] 2 locks held by getty/4849: [ 294.963025][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 294.972897][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 294.983110][ C1] 2 locks held by syz-executor129/5110: [ 294.988686][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 294.998202][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 295.007809][ C1] 2 locks held by syz-executor129/5111: [ 295.013418][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 295.022935][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 295.032541][ C1] 3 locks held by syz-executor129/5116: [ 295.038112][ C1] 3 locks held by syz-executor129/5135: [ 295.043732][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 295.053937][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 295.063792][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 295.073749][ C1] 1 lock held by syz-executor129/5137: [ 295.079232][ C1] [ 295.081619][ C1] ============================================= [ 295.081619][ C1] [ 296.090466][ C1] DEBUG: waiting rtnl_mutex for 9716 jiffies. [ 296.096616][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 296.106867][ C1] Call Trace: [ 296.110174][ C1] [ 296.113186][ C1] __schedule+0x17e8/0x4a20 [ 296.117761][ C1] ? __pfx___schedule+0x10/0x10 [ 296.122695][ C1] ? __pfx_lock_release+0x10/0x10 [ 296.127766][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 296.133322][ C1] ? schedule+0x90/0x320 [ 296.137607][ C1] schedule+0x14b/0x320 [ 296.141841][ C1] schedule_preempt_disabled+0x13/0x30 [ 296.147342][ C1] __mutex_lock+0x6a4/0xd70 [ 296.151929][ C1] ? __mutex_lock+0x527/0xd70 [ 296.156650][ C1] ? rtnl_lock_killable+0x113/0x200 [ 296.161929][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 296.167019][ C1] rtnl_lock_killable+0x113/0x200 [ 296.172129][ C1] register_netdev+0x13/0x50 [ 296.176769][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 296.181736][ C1] ops_init+0x359/0x610 [ 296.185945][ C1] setup_net+0x515/0xca0 [ 296.190231][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 296.195864][ C1] ? __pfx_setup_net+0x10/0x10 [ 296.200707][ C1] copy_net_ns+0x4e2/0x7b0 [ 296.205169][ C1] create_new_namespaces+0x425/0x7b0 [ 296.210530][ C1] ? bpf_lsm_capable+0x9/0x10 [ 296.215271][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 296.221072][ C1] ksys_unshare+0x619/0xc10 [ 296.225634][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 296.230741][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 296.236774][ C1] ? do_syscall_64+0x100/0x230 [ 296.241621][ C1] __x64_sys_unshare+0x38/0x40 [ 296.246430][ C1] do_syscall_64+0xf3/0x230 [ 296.251008][ C1] ? clear_bhb_loop+0x35/0x90 [ 296.255726][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.261693][ C1] RIP: 0033:0x7fadcffbc2f7 [ 296.266140][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 296.274645][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 296.282685][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 296.290721][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 296.298724][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 296.306762][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 296.314822][ C1] [ 296.317873][ C1] DEBUG: waiting rtnl_mutex for 9740 jiffies. [ 296.324002][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 296.334247][ C1] Call Trace: [ 296.337552][ C1] [ 296.340548][ C1] __schedule+0x17e8/0x4a20 [ 296.345130][ C1] ? __pfx___schedule+0x10/0x10 [ 296.350026][ C1] ? __pfx_lock_release+0x10/0x10 [ 296.355130][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 296.360679][ C1] ? schedule+0x90/0x320 [ 296.364965][ C1] schedule+0x14b/0x320 [ 296.369169][ C1] schedule_preempt_disabled+0x13/0x30 [ 296.374708][ C1] __mutex_lock+0x6a4/0xd70 [ 296.379261][ C1] ? __mutex_lock+0x527/0xd70 [ 296.384028][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 296.389280][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 296.394403][ C1] ? rtnl_lock+0xe7/0x130 [ 296.398779][ C1] ip_tunnel_init_net+0x20e/0x710 [ 296.403899][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 296.409516][ C1] vti_init_net+0x2e/0xf0 [ 296.413920][ C1] ops_init+0x359/0x610 [ 296.418131][ C1] setup_net+0x515/0xca0 [ 296.422456][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 296.428056][ C1] ? __pfx_setup_net+0x10/0x10 [ 296.432919][ C1] copy_net_ns+0x4e2/0x7b0 [ 296.437391][ C1] create_new_namespaces+0x425/0x7b0 [ 296.442759][ C1] ? bpf_lsm_capable+0x9/0x10 [ 296.447486][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 296.453293][ C1] ksys_unshare+0x619/0xc10 [ 296.457855][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 296.462958][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 296.468993][ C1] ? do_syscall_64+0x100/0x230 [ 296.473834][ C1] __x64_sys_unshare+0x38/0x40 [ 296.478645][ C1] do_syscall_64+0xf3/0x230 [ 296.483217][ C1] ? clear_bhb_loop+0x35/0x90 [ 296.487936][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.493901][ C1] RIP: 0033:0x7fadcffbc2f7 [ 296.498351][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 296.506844][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 296.514888][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 296.522928][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 296.531094][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 296.539103][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 296.547176][ C1] [ 296.550233][ C1] [ 296.550233][ C1] Showing all locks held in the system: [ 296.558047][ C1] 2 locks held by getty/4849: [ 296.562786][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 296.572661][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 296.582870][ C1] 2 locks held by syz-executor129/5110: [ 296.588445][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 296.597966][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 296.607585][ C1] 2 locks held by syz-executor129/5111: [ 296.613190][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 296.622700][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 296.632302][ C1] 3 locks held by syz-executor129/5116: [ 296.637876][ C1] 3 locks held by syz-executor129/5135: [ 296.643480][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 296.653705][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 296.663603][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 296.673560][ C1] [ 296.675910][ C1] ============================================= [ 296.675910][ C1] [ 297.690465][ C1] DEBUG: waiting rtnl_mutex for 9876 jiffies. [ 297.696690][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 297.706953][ C1] Call Trace: [ 297.710259][ C1] [ 297.713265][ C1] __schedule+0x17e8/0x4a20 [ 297.717846][ C1] ? __pfx___schedule+0x10/0x10 [ 297.722786][ C1] ? __pfx_lock_release+0x10/0x10 [ 297.727856][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 297.733413][ C1] ? schedule+0x90/0x320 [ 297.737699][ C1] schedule+0x14b/0x320 [ 297.741940][ C1] schedule_preempt_disabled+0x13/0x30 [ 297.747441][ C1] __mutex_lock+0x6a4/0xd70 [ 297.752029][ C1] ? __mutex_lock+0x527/0xd70 [ 297.756756][ C1] ? rtnl_lock_killable+0x113/0x200 [ 297.762038][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 297.767124][ C1] rtnl_lock_killable+0x113/0x200 [ 297.772237][ C1] register_netdev+0x13/0x50 [ 297.776875][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 297.781842][ C1] ops_init+0x359/0x610 [ 297.786056][ C1] setup_net+0x515/0xca0 [ 297.790339][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 297.795973][ C1] ? __pfx_setup_net+0x10/0x10 [ 297.800818][ C1] copy_net_ns+0x4e2/0x7b0 [ 297.805284][ C1] create_new_namespaces+0x425/0x7b0 [ 297.810645][ C1] ? bpf_lsm_capable+0x9/0x10 [ 297.815375][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 297.821180][ C1] ksys_unshare+0x619/0xc10 [ 297.825748][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 297.830849][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 297.836877][ C1] ? do_syscall_64+0x100/0x230 [ 297.841721][ C1] __x64_sys_unshare+0x38/0x40 [ 297.846533][ C1] do_syscall_64+0xf3/0x230 [ 297.851108][ C1] ? clear_bhb_loop+0x35/0x90 [ 297.855828][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.861791][ C1] RIP: 0033:0x7fadcffbc2f7 [ 297.866237][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 297.874756][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 297.882804][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 297.890847][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 297.898862][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 297.906897][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 297.914955][ C1] [ 297.918001][ C1] DEBUG: waiting rtnl_mutex for 9900 jiffies. [ 297.924125][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 297.934370][ C1] Call Trace: [ 297.937680][ C1] [ 297.940677][ C1] __schedule+0x17e8/0x4a20 [ 297.945259][ C1] ? __pfx___schedule+0x10/0x10 [ 297.950155][ C1] ? __pfx_lock_release+0x10/0x10 [ 297.955259][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 297.960813][ C1] ? schedule+0x90/0x320 [ 297.965094][ C1] schedule+0x14b/0x320 [ 297.969296][ C1] schedule_preempt_disabled+0x13/0x30 [ 297.974830][ C1] __mutex_lock+0x6a4/0xd70 [ 297.979381][ C1] ? __mutex_lock+0x527/0xd70 [ 297.984140][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 297.989391][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 297.994503][ C1] ? rtnl_lock+0xe7/0x130 [ 297.998880][ C1] ip_tunnel_init_net+0x20e/0x710 [ 298.004010][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 298.009625][ C1] vti_init_net+0x2e/0xf0 [ 298.014028][ C1] ops_init+0x359/0x610 [ 298.018241][ C1] setup_net+0x515/0xca0 [ 298.022556][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 298.028153][ C1] ? __pfx_setup_net+0x10/0x10 [ 298.033003][ C1] copy_net_ns+0x4e2/0x7b0 [ 298.037469][ C1] create_new_namespaces+0x425/0x7b0 [ 298.042849][ C1] ? bpf_lsm_capable+0x9/0x10 [ 298.047577][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 298.053372][ C1] ksys_unshare+0x619/0xc10 [ 298.057929][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 298.063041][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.069070][ C1] ? do_syscall_64+0x100/0x230 [ 298.073923][ C1] __x64_sys_unshare+0x38/0x40 [ 298.078735][ C1] do_syscall_64+0xf3/0x230 [ 298.083312][ C1] ? clear_bhb_loop+0x35/0x90 [ 298.088028][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.093992][ C1] RIP: 0033:0x7fadcffbc2f7 [ 298.098439][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 298.106925][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 298.114969][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 298.123010][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 298.131041][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 298.139044][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 298.147097][ C1] [ 298.150150][ C1] [ 298.150150][ C1] Showing all locks held in the system: [ 298.157960][ C1] 2 locks held by getty/4849: [ 298.162709][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 298.172583][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 298.182813][ C1] 2 locks held by syz-executor129/5110: [ 298.188387][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 298.197903][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 298.207511][ C1] 2 locks held by syz-executor129/5111: [ 298.213114][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 298.222631][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 298.232246][ C1] 3 locks held by syz-executor129/5116: [ 298.237820][ C1] 4 locks held by syz-executor129/5135: [ 298.243439][ C1] #0: ffff88801ed83a98 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0xaa/0x120 [ 298.252872][ C1] #1: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 298.263071][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 298.272933][ C1] #3: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 298.282890][ C1] 1 lock held by syz-executor129/5137: [ 298.288377][ C1] [ 298.290759][ C1] ============================================= [ 298.290759][ C1] [ 299.370463][ C1] DEBUG: waiting rtnl_mutex for 10044 jiffies. [ 299.376773][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 299.387027][ C1] Call Trace: [ 299.390334][ C1] [ 299.393369][ C1] __schedule+0x17e8/0x4a20 [ 299.397947][ C1] ? __pfx___schedule+0x10/0x10 [ 299.402880][ C1] ? __pfx_lock_release+0x10/0x10 [ 299.407949][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 299.413506][ C1] ? schedule+0x90/0x320 [ 299.417787][ C1] schedule+0x14b/0x320 [ 299.422018][ C1] schedule_preempt_disabled+0x13/0x30 [ 299.427518][ C1] __mutex_lock+0x6a4/0xd70 [ 299.432103][ C1] ? __mutex_lock+0x527/0xd70 [ 299.436829][ C1] ? rtnl_lock_killable+0x113/0x200 [ 299.442104][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 299.447190][ C1] rtnl_lock_killable+0x113/0x200 [ 299.452295][ C1] register_netdev+0x13/0x50 [ 299.456936][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 299.461883][ C1] ops_init+0x359/0x610 [ 299.466094][ C1] setup_net+0x515/0xca0 [ 299.470380][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 299.476037][ C1] ? __pfx_setup_net+0x10/0x10 [ 299.480922][ C1] copy_net_ns+0x4e2/0x7b0 [ 299.485397][ C1] create_new_namespaces+0x425/0x7b0 [ 299.490772][ C1] ? bpf_lsm_capable+0x9/0x10 [ 299.495506][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 299.501311][ C1] ksys_unshare+0x619/0xc10 [ 299.505879][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 299.510981][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 299.517018][ C1] ? do_syscall_64+0x100/0x230 [ 299.521856][ C1] __x64_sys_unshare+0x38/0x40 [ 299.526666][ C1] do_syscall_64+0xf3/0x230 [ 299.531229][ C1] ? clear_bhb_loop+0x35/0x90 [ 299.535946][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.541933][ C1] RIP: 0033:0x7fadcffbc2f7 [ 299.546389][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 299.554911][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 299.562968][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 299.571011][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 299.579013][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 299.587050][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 299.595121][ C1] [ 299.598171][ C1] DEBUG: waiting rtnl_mutex for 10068 jiffies. [ 299.604395][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 299.614638][ C1] Call Trace: [ 299.617948][ C1] [ 299.620942][ C1] __schedule+0x17e8/0x4a20 [ 299.625521][ C1] ? __pfx___schedule+0x10/0x10 [ 299.630413][ C1] ? __pfx_lock_release+0x10/0x10 [ 299.635522][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 299.641095][ C1] ? schedule+0x90/0x320 [ 299.645380][ C1] schedule+0x14b/0x320 [ 299.649576][ C1] schedule_preempt_disabled+0x13/0x30 [ 299.655109][ C1] __mutex_lock+0x6a4/0xd70 [ 299.659662][ C1] ? __mutex_lock+0x527/0xd70 [ 299.664419][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 299.669666][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 299.674784][ C1] ? rtnl_lock+0xe7/0x130 [ 299.679158][ C1] ip_tunnel_init_net+0x20e/0x710 [ 299.684269][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 299.689886][ C1] vti_init_net+0x2e/0xf0 [ 299.694286][ C1] ops_init+0x359/0x610 [ 299.698500][ C1] setup_net+0x515/0xca0 [ 299.702834][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 299.708434][ C1] ? __pfx_setup_net+0x10/0x10 [ 299.713277][ C1] copy_net_ns+0x4e2/0x7b0 [ 299.717753][ C1] create_new_namespaces+0x425/0x7b0 [ 299.723115][ C1] ? bpf_lsm_capable+0x9/0x10 [ 299.727858][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 299.733667][ C1] ksys_unshare+0x619/0xc10 [ 299.738235][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 299.743356][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 299.749398][ C1] ? do_syscall_64+0x100/0x230 [ 299.754233][ C1] __x64_sys_unshare+0x38/0x40 [ 299.759045][ C1] do_syscall_64+0xf3/0x230 [ 299.763618][ C1] ? clear_bhb_loop+0x35/0x90 [ 299.768360][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.774328][ C1] RIP: 0033:0x7fadcffbc2f7 [ 299.778771][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 299.787249][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 299.795285][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 299.803389][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 299.811422][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 299.819423][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 299.827473][ C1] [ 299.830554][ C1] [ 299.830554][ C1] Showing all locks held in the system: [ 299.838336][ C1] 2 locks held by getty/4849: [ 299.843068][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 299.852920][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 299.863121][ C1] 2 locks held by syz-executor129/5110: [ 299.868686][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 299.878217][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 299.887816][ C1] 2 locks held by syz-executor129/5111: [ 299.893413][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 299.902920][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 299.912523][ C1] 3 locks held by syz-executor129/5116: [ 299.918093][ C1] 3 locks held by syz-executor129/5135: [ 299.923711][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 299.933910][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 299.943758][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 299.953701][ C1] [ 299.956043][ C1] ============================================= [ 299.956043][ C1] [ 300.970475][ C1] DEBUG: waiting rtnl_mutex for 10204 jiffies. [ 300.976712][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 300.986965][ C1] Call Trace: [ 300.990268][ C1] [ 300.993267][ C1] __schedule+0x17e8/0x4a20 [ 300.997838][ C1] ? __pfx___schedule+0x10/0x10 [ 301.002763][ C1] ? __pfx_lock_release+0x10/0x10 [ 301.007824][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 301.013363][ C1] ? schedule+0x90/0x320 [ 301.017640][ C1] schedule+0x14b/0x320 [ 301.021873][ C1] schedule_preempt_disabled+0x13/0x30 [ 301.027366][ C1] __mutex_lock+0x6a4/0xd70 [ 301.031932][ C1] ? __mutex_lock+0x527/0xd70 [ 301.036638][ C1] ? rtnl_lock_killable+0x113/0x200 [ 301.041909][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 301.046990][ C1] rtnl_lock_killable+0x113/0x200 [ 301.052082][ C1] register_netdev+0x13/0x50 [ 301.056709][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 301.061674][ C1] ops_init+0x359/0x610 [ 301.065882][ C1] setup_net+0x515/0xca0 [ 301.070158][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 301.075804][ C1] ? __pfx_setup_net+0x10/0x10 [ 301.080645][ C1] copy_net_ns+0x4e2/0x7b0 [ 301.085104][ C1] create_new_namespaces+0x425/0x7b0 [ 301.090464][ C1] ? bpf_lsm_capable+0x9/0x10 [ 301.095190][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 301.100985][ C1] ksys_unshare+0x619/0xc10 [ 301.105545][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 301.110643][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 301.116670][ C1] ? do_syscall_64+0x100/0x230 [ 301.121510][ C1] __x64_sys_unshare+0x38/0x40 [ 301.126313][ C1] do_syscall_64+0xf3/0x230 [ 301.130882][ C1] ? clear_bhb_loop+0x35/0x90 [ 301.135598][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.141566][ C1] RIP: 0033:0x7fadcffbc2f7 [ 301.146010][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 301.154493][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 301.162527][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 301.170567][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 301.178573][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 301.186613][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 301.194663][ C1] [ 301.197709][ C1] DEBUG: waiting rtnl_mutex for 10228 jiffies. [ 301.203935][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 301.214170][ C1] Call Trace: [ 301.217475][ C1] [ 301.220453][ C1] __schedule+0x17e8/0x4a20 [ 301.225012][ C1] ? __pfx___schedule+0x10/0x10 [ 301.229906][ C1] ? __pfx_lock_release+0x10/0x10 [ 301.235004][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 301.240543][ C1] ? schedule+0x90/0x320 [ 301.244819][ C1] schedule+0x14b/0x320 [ 301.249011][ C1] schedule_preempt_disabled+0x13/0x30 [ 301.254531][ C1] __mutex_lock+0x6a4/0xd70 [ 301.259085][ C1] ? __mutex_lock+0x527/0xd70 [ 301.263835][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 301.269078][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 301.274186][ C1] ? rtnl_lock+0xe7/0x130 [ 301.278558][ C1] ip_tunnel_init_net+0x20e/0x710 [ 301.283670][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 301.289284][ C1] vti_init_net+0x2e/0xf0 [ 301.293682][ C1] ops_init+0x359/0x610 [ 301.297887][ C1] setup_net+0x515/0xca0 [ 301.302214][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 301.307823][ C1] ? __pfx_setup_net+0x10/0x10 [ 301.312666][ C1] copy_net_ns+0x4e2/0x7b0 [ 301.317131][ C1] create_new_namespaces+0x425/0x7b0 [ 301.322499][ C1] ? bpf_lsm_capable+0x9/0x10 [ 301.327231][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 301.333029][ C1] ksys_unshare+0x619/0xc10 [ 301.337585][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 301.342685][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 301.348713][ C1] ? do_syscall_64+0x100/0x230 [ 301.353550][ C1] __x64_sys_unshare+0x38/0x40 [ 301.358359][ C1] do_syscall_64+0xf3/0x230 [ 301.362935][ C1] ? clear_bhb_loop+0x35/0x90 [ 301.367659][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.373629][ C1] RIP: 0033:0x7fadcffbc2f7 [ 301.378077][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 301.386583][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 301.394623][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 301.402666][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 301.410697][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 301.418698][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 301.426749][ C1] [ 301.429799][ C1] [ 301.429799][ C1] Showing all locks held in the system: [ 301.437610][ C1] 2 locks held by getty/4849: [ 301.442347][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 301.452214][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 301.462414][ C1] 2 locks held by syz-executor129/5110: [ 301.467982][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 301.477506][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 301.487099][ C1] 2 locks held by syz-executor129/5111: [ 301.492687][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 301.502183][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 301.511767][ C1] 3 locks held by syz-executor129/5116: [ 301.517331][ C1] 3 locks held by syz-executor129/5135: [ 301.522939][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 301.533120][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 301.542976][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 301.552925][ C1] [ 301.555268][ C1] ============================================= [ 301.555268][ C1] [ 302.570468][ C1] DEBUG: waiting rtnl_mutex for 10364 jiffies. [ 302.576705][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 302.586949][ C1] Call Trace: [ 302.590262][ C1] [ 302.593259][ C1] __schedule+0x17e8/0x4a20 [ 302.597840][ C1] ? __pfx___schedule+0x10/0x10 [ 302.602766][ C1] ? __pfx_lock_release+0x10/0x10 [ 302.607830][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 302.613374][ C1] ? schedule+0x90/0x320 [ 302.617652][ C1] schedule+0x14b/0x320 [ 302.621879][ C1] schedule_preempt_disabled+0x13/0x30 [ 302.627385][ C1] __mutex_lock+0x6a4/0xd70 [ 302.631964][ C1] ? __mutex_lock+0x527/0xd70 [ 302.636673][ C1] ? rtnl_lock_killable+0x113/0x200 [ 302.641940][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 302.647021][ C1] rtnl_lock_killable+0x113/0x200 [ 302.652117][ C1] register_netdev+0x13/0x50 [ 302.656743][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 302.661691][ C1] ops_init+0x359/0x610 [ 302.665908][ C1] setup_net+0x515/0xca0 [ 302.670182][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 302.675856][ C1] ? __pfx_setup_net+0x10/0x10 [ 302.680697][ C1] copy_net_ns+0x4e2/0x7b0 [ 302.685160][ C1] create_new_namespaces+0x425/0x7b0 [ 302.690530][ C1] ? bpf_lsm_capable+0x9/0x10 [ 302.695271][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 302.701062][ C1] ksys_unshare+0x619/0xc10 [ 302.705614][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 302.710726][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 302.716750][ C1] ? do_syscall_64+0x100/0x230 [ 302.721586][ C1] __x64_sys_unshare+0x38/0x40 [ 302.726393][ C1] do_syscall_64+0xf3/0x230 [ 302.730967][ C1] ? clear_bhb_loop+0x35/0x90 [ 302.735689][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.741689][ C1] RIP: 0033:0x7fadcffbc2f7 [ 302.746170][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 302.754684][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 302.762817][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 302.770935][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 302.778937][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 302.786967][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 302.795022][ C1] [ 302.798068][ C1] DEBUG: waiting rtnl_mutex for 10388 jiffies. [ 302.804295][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 302.814534][ C1] Call Trace: [ 302.817846][ C1] [ 302.820830][ C1] __schedule+0x17e8/0x4a20 [ 302.825399][ C1] ? __pfx___schedule+0x10/0x10 [ 302.830291][ C1] ? __pfx_lock_release+0x10/0x10 [ 302.835392][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 302.840933][ C1] ? schedule+0x90/0x320 [ 302.845208][ C1] schedule+0x14b/0x320 [ 302.849403][ C1] schedule_preempt_disabled+0x13/0x30 [ 302.854932][ C1] __mutex_lock+0x6a4/0xd70 [ 302.859482][ C1] ? __mutex_lock+0x527/0xd70 [ 302.864244][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 302.869531][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 302.874650][ C1] ? rtnl_lock+0xe7/0x130 [ 302.879025][ C1] ip_tunnel_init_net+0x20e/0x710 [ 302.884145][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 302.889773][ C1] vti_init_net+0x2e/0xf0 [ 302.894180][ C1] ops_init+0x359/0x610 [ 302.898387][ C1] setup_net+0x515/0xca0 [ 302.902694][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 302.908284][ C1] ? __pfx_setup_net+0x10/0x10 [ 302.913135][ C1] copy_net_ns+0x4e2/0x7b0 [ 302.917608][ C1] create_new_namespaces+0x425/0x7b0 [ 302.922971][ C1] ? bpf_lsm_capable+0x9/0x10 [ 302.927685][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 302.933468][ C1] ksys_unshare+0x619/0xc10 [ 302.938016][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 302.943141][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 302.949182][ C1] ? do_syscall_64+0x100/0x230 [ 302.954018][ C1] __x64_sys_unshare+0x38/0x40 [ 302.958841][ C1] do_syscall_64+0xf3/0x230 [ 302.963411][ C1] ? clear_bhb_loop+0x35/0x90 [ 302.968130][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.974084][ C1] RIP: 0033:0x7fadcffbc2f7 [ 302.978534][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 302.987026][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 302.995063][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 303.003140][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 303.011169][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 303.019167][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 303.027215][ C1] [ 303.030276][ C1] [ 303.030276][ C1] Showing all locks held in the system: [ 303.038084][ C1] 2 locks held by getty/4849: [ 303.042830][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 303.052694][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 303.062895][ C1] 2 locks held by syz-executor129/5110: [ 303.068460][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 303.077982][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 303.087588][ C1] 2 locks held by syz-executor129/5111: [ 303.093183][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 303.102712][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 303.112313][ C1] 3 locks held by syz-executor129/5116: [ 303.117882][ C1] 3 locks held by syz-executor129/5135: [ 303.123496][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 303.133695][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 303.143549][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 303.153496][ C1] [ 303.155839][ C1] ============================================= [ 303.155839][ C1] [ 303.950439][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 303.950466][ C0] rcu: (detected by 0, t=10502 jiffies, g=6373, q=6 ncpus=2) [ 303.950499][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294967482-4294956980), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 303.950529][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6373 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 303.950553][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 303.950563][ C0] rcu: RCU grace-period kthread stack dump: [ 303.950571][ C0] task:rcu_preempt state:R running task stack:26448 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 303.950619][ C0] Call Trace: [ 303.950628][ C0] [ 303.950643][ C0] __schedule+0x17e8/0x4a20 [ 303.950698][ C0] ? __pfx___schedule+0x10/0x10 [ 303.950729][ C0] ? __pfx_lock_release+0x10/0x10 [ 303.950756][ C0] ? __asan_memset+0x23/0x50 [ 303.950795][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 303.950824][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 303.950856][ C0] ? schedule+0x90/0x320 [ 303.950881][ C0] schedule+0x14b/0x320 [ 303.950910][ C0] schedule_timeout+0x1be/0x310 [ 303.950934][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 303.950959][ C0] ? __pfx_process_timeout+0x10/0x10 [ 303.951003][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 303.951037][ C0] rcu_gp_fqs_loop+0x2df/0x1330 [ 303.951065][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 303.951100][ C0] ? rcu_gp_init+0x1256/0x1630 [ 303.951133][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 303.951162][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 303.951189][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 303.951222][ C0] ? finish_swait+0xd4/0x1e0 [ 303.951251][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 303.951283][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 303.951310][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 303.951340][ C0] ? __kthread_parkme+0x169/0x1d0 [ 303.951372][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 303.951400][ C0] kthread+0x2f0/0x390 [ 303.951430][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 303.951457][ C0] ? __pfx_kthread+0x10/0x10 [ 303.951488][ C0] ret_from_fork+0x4b/0x80 [ 303.951516][ C0] ? __pfx_kthread+0x10/0x10 [ 303.951546][ C0] ret_from_fork_asm+0x1a/0x30 [ 303.951592][ C0] [ 303.951601][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 303.951616][ C0] Sending NMI from CPU 0 to CPUs 1: [ 303.951649][ C1] NMI backtrace for cpu 1 [ 303.951677][ C1] CPU: 1 UID: 0 PID: 5135 Comm: syz-executor129 Not tainted 6.10.0-rc4-next-20240621-syzkaller #0 [ 303.951697][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 303.951708][ C1] RIP: 0010:debug_object_deactivate+0xf4/0x390 [ 303.951738][ C1] Code: 85 25 02 00 00 c7 44 24 54 00 00 00 00 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 81 e0 42 fd 4c 89 6c 24 58 <49> 8d 7c 24 20 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 64 e0 [ 303.951753][ C1] RSP: 0018:ffffc90000a18c40 EFLAGS: 00000046 [ 303.951768][ C1] RAX: 1ffff92000143193 RBX: ffffc90000a18c90 RCX: 0000000000000000 [ 303.951782][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000a18c98 [ 303.951794][ C1] RBP: ffffc90000a18d30 R08: ffffc90000a18c8f R09: 0000000000000000 [ 303.951806][ C1] R10: ffffc90000a18c80 R11: fffff52000143192 R12: ffffc90000a18c80 [ 303.951820][ C1] R13: ffff88807edfe0b0 R14: dffffc0000000000 R15: 1ffff9200014318c [ 303.951834][ C1] FS: 000055557bfa13c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 303.951849][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 303.951862][ C1] CR2: 000000002006b000 CR3: 000000007edfc000 CR4: 00000000003506f0 [ 303.951877][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 303.951888][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 303.951900][ C1] Call Trace: [ 303.951907][ C1] [ 303.951915][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 303.951936][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 303.951960][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 303.951980][ C1] ? nmi_handle+0x2a/0x5a0 [ 303.952006][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 303.952027][ C1] ? nmi_handle+0x14f/0x5a0 [ 303.952043][ C1] ? nmi_handle+0x2a/0x5a0 [ 303.952060][ C1] ? debug_object_deactivate+0xf4/0x390 [ 303.952085][ C1] ? default_do_nmi+0x63/0x160 [ 303.952107][ C1] ? exc_nmi+0x123/0x1f0 [ 303.952127][ C1] ? end_repeat_nmi+0xf/0x53 [ 303.952153][ C1] ? debug_object_deactivate+0xf4/0x390 [ 303.952179][ C1] ? debug_object_deactivate+0xf4/0x390 [ 303.952205][ C1] ? debug_object_deactivate+0xf4/0x390 [ 303.952236][ C1] [ 303.952243][ C1] [ 303.952249][ C1] ? __pfx_lock_release+0x10/0x10 [ 303.952271][ C1] ? __pfx_debug_object_deactivate+0x10/0x10 [ 303.952298][ C1] ? ktime_get_update_offsets_now+0x3c/0x250 [ 303.952323][ C1] ? __pfx_lock_release+0x10/0x10 [ 303.952349][ C1] debug_deactivate+0x1b/0x220 [ 303.952370][ C1] __hrtimer_run_queues+0x305/0xd50 [ 303.952389][ C1] ? ktime_get_update_offsets_now+0x3c/0x250 [ 303.952423][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 303.952443][ C1] ? ktime_get_update_offsets_now+0x22d/0x250 [ 303.952471][ C1] hrtimer_interrupt+0x396/0x990 [ 303.952503][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 303.952530][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 303.952555][ C1] [ 303.952561][ C1] [ 303.952568][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 303.952589][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 303.952609][ C1] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 1a 37 d7 f5 48 89 df e8 52 7a d8 f5 e8 ad dc 02 f6 fb bf 01 00 00 00 c2 42 ca f5 65 8b 05 03 89 6b 74 85 c0 74 06 5b c3 cc cc cc cc [ 303.952624][ C1] RSP: 0018:ffffc9000363fc70 EFLAGS: 00000282 [ 303.952637][ C1] RAX: a24d17fa1387a300 RBX: ffff888029b50940 RCX: ffffffff947dc803 [ 303.952651][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcac8a0 RDI: 0000000000000001 [ 303.952664][ C1] RBP: ffffc9000363fdb0 R08: ffffffff8faeddef R09: 1ffffffff1f5dbbd [ 303.952677][ C1] R10: dffffc0000000000 R11: fffffbfff1f5dbbe R12: 0000000000000021 [ 303.952689][ C1] R13: 1ffff1100536a1bb R14: ffff888029b50dd8 R15: ffff888029b50940 [ 303.952712][ C1] get_signal+0x14dd/0x1740 [ 303.952739][ C1] ? __pfx_get_signal+0x10/0x10 [ 303.952762][ C1] arch_do_signal_or_restart+0x96/0x830 [ 303.952786][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 303.952807][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 303.952835][ C1] ? syscall_exit_to_user_mode+0xa3/0x370 [ 303.952863][ C1] syscall_exit_to_user_mode+0xc9/0x370 [ 303.952890][ C1] do_syscall_64+0x100/0x230 [ 303.952908][ C1] ? clear_bhb_loop+0x35/0x90 [ 303.952929][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.952948][ C1] RIP: 0033:0x7fadcffbae79 [ 303.952962][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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 [ 303.952977][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 [ 303.952992][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fadcffbae79 [ 303.953003][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 303.953014][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 303.953026][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 303.953037][ C1] R13: 0000000000000004 R14: 00007ffe7c842200 R15: 00007ffe7c8421f0 [ 303.953059][ C1] [ 303.953066][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.417 msecs [ 304.170504][ C1] DEBUG: waiting rtnl_mutex for 10524 jiffies. [ 304.702405][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 304.712659][ C1] Call Trace: [ 304.715967][ C1] [ 304.718931][ C1] __schedule+0x17e8/0x4a20 [ 304.723570][ C1] ? __pfx___schedule+0x10/0x10 [ 304.728478][ C1] ? __pfx_lock_release+0x10/0x10 [ 304.733592][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 304.739117][ C1] ? schedule+0x90/0x320 [ 304.743448][ C1] schedule+0x14b/0x320 [ 304.747653][ C1] schedule_preempt_disabled+0x13/0x30 [ 304.753275][ C1] __mutex_lock+0x6a4/0xd70 [ 304.757832][ C1] ? __mutex_lock+0x527/0xd70 [ 304.762586][ C1] ? rtnl_lock_killable+0x113/0x200 [ 304.767829][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 304.772947][ C1] rtnl_lock_killable+0x113/0x200 [ 304.778022][ C1] register_netdev+0x13/0x50 [ 304.782690][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 304.787596][ C1] ops_init+0x359/0x610 [ 304.791838][ C1] setup_net+0x515/0xca0 [ 304.796118][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 304.801744][ C1] ? __pfx_setup_net+0x10/0x10 [ 304.806561][ C1] copy_net_ns+0x4e2/0x7b0 [ 304.811056][ C1] create_new_namespaces+0x425/0x7b0 [ 304.816400][ C1] ? bpf_lsm_capable+0x9/0x10 [ 304.821158][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 304.826918][ C1] ksys_unshare+0x619/0xc10 [ 304.831540][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 304.836604][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 304.842664][ C1] ? do_syscall_64+0x100/0x230 [ 304.847472][ C1] __x64_sys_unshare+0x38/0x40 [ 304.852318][ C1] do_syscall_64+0xf3/0x230 [ 304.856884][ C1] ? clear_bhb_loop+0x35/0x90 [ 304.861641][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.867588][ C1] RIP: 0033:0x7fadcffbc2f7 [ 304.872096][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 304.880695][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 304.888701][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 304.896740][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 304.904778][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 304.912831][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 304.920882][ C1] [ 304.923931][ C1] DEBUG: waiting rtnl_mutex for 10601 jiffies. [ 304.930112][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 304.940357][ C1] Call Trace: [ 304.943701][ C1] [ 304.946662][ C1] __schedule+0x17e8/0x4a20 [ 304.951259][ C1] ? __pfx___schedule+0x10/0x10 [ 304.956150][ C1] ? __pfx_lock_release+0x10/0x10 [ 304.961250][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 304.966768][ C1] ? schedule+0x90/0x320 [ 304.971082][ C1] schedule+0x14b/0x320 [ 304.975281][ C1] schedule_preempt_disabled+0x13/0x30 [ 304.980814][ C1] __mutex_lock+0x6a4/0xd70 [ 304.985373][ C1] ? __mutex_lock+0x527/0xd70 [ 304.990098][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 304.995381][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 305.000527][ C1] ? rtnl_lock+0xe7/0x130 [ 305.004900][ C1] ip_tunnel_init_net+0x20e/0x710 [ 305.009985][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 305.015630][ C1] vti_init_net+0x2e/0xf0 [ 305.019997][ C1] ops_init+0x359/0x610 [ 305.024240][ C1] setup_net+0x515/0xca0 [ 305.028519][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 305.034148][ C1] ? __pfx_setup_net+0x10/0x10 [ 305.038969][ C1] copy_net_ns+0x4e2/0x7b0 [ 305.043477][ C1] create_new_namespaces+0x425/0x7b0 [ 305.048804][ C1] ? bpf_lsm_capable+0x9/0x10 [ 305.053560][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 305.059319][ C1] ksys_unshare+0x619/0xc10 [ 305.063910][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 305.068986][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 305.075049][ C1] ? do_syscall_64+0x100/0x230 [ 305.079858][ C1] __x64_sys_unshare+0x38/0x40 [ 305.084702][ C1] do_syscall_64+0xf3/0x230 [ 305.089244][ C1] ? clear_bhb_loop+0x35/0x90 [ 305.094018][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.099959][ C1] RIP: 0033:0x7fadcffbc2f7 [ 305.104462][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 305.112944][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 305.120977][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 305.128979][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 305.137011][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 305.145049][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 305.153101][ C1] [ 305.156155][ C1] [ 305.156155][ C1] Showing all locks held in the system: [ 305.163973][ C1] 2 locks held by getty/4849: [ 305.168676][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 305.178554][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 305.188753][ C1] 2 locks held by syz-executor129/5110: [ 305.194356][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 305.203865][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 305.213475][ C1] 2 locks held by syz-executor129/5111: [ 305.219043][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 305.228531][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 305.238119][ C1] 3 locks held by syz-executor129/5116: [ 305.243726][ C1] 3 locks held by syz-executor129/5135: [ 305.249295][ C1] #0: ffffc90000a18ca0 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 305.259491][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 305.269356][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 305.279303][ C1] [ 305.281678][ C1] ============================================= [ 305.281678][ C1] [ 306.330451][ C1] DEBUG: waiting rtnl_mutex for 10740 jiffies. [ 306.336751][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 306.346992][ C1] Call Trace: [ 306.350292][ C1] [ 306.353282][ C1] __schedule+0x17e8/0x4a20 [ 306.357853][ C1] ? __pfx___schedule+0x10/0x10 [ 306.362782][ C1] ? __pfx_lock_release+0x10/0x10 [ 306.367868][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 306.373420][ C1] ? schedule+0x90/0x320 [ 306.377703][ C1] schedule+0x14b/0x320 [ 306.381972][ C1] schedule_preempt_disabled+0x13/0x30 [ 306.387471][ C1] __mutex_lock+0x6a4/0xd70 [ 306.392068][ C1] ? __mutex_lock+0x527/0xd70 [ 306.396790][ C1] ? rtnl_lock_killable+0x113/0x200 [ 306.402071][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 306.407158][ C1] rtnl_lock_killable+0x113/0x200 [ 306.412268][ C1] register_netdev+0x13/0x50 [ 306.416906][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 306.421846][ C1] ops_init+0x359/0x610 [ 306.426063][ C1] setup_net+0x515/0xca0 [ 306.430345][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 306.435986][ C1] ? __pfx_setup_net+0x10/0x10 [ 306.440841][ C1] copy_net_ns+0x4e2/0x7b0 [ 306.445309][ C1] create_new_namespaces+0x425/0x7b0 [ 306.450673][ C1] ? bpf_lsm_capable+0x9/0x10 [ 306.455407][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 306.461212][ C1] ksys_unshare+0x619/0xc10 [ 306.465780][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 306.470927][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 306.476958][ C1] ? do_syscall_64+0x100/0x230 [ 306.481827][ C1] __x64_sys_unshare+0x38/0x40 [ 306.486640][ C1] do_syscall_64+0xf3/0x230 [ 306.491213][ C1] ? clear_bhb_loop+0x35/0x90 [ 306.495931][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.501904][ C1] RIP: 0033:0x7fadcffbc2f7 [ 306.506355][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 306.514883][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 306.522954][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 306.530995][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 306.538988][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 306.547026][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 306.555092][ C1] [ 306.558137][ C1] DEBUG: waiting rtnl_mutex for 10764 jiffies. [ 306.564345][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 306.574583][ C1] Call Trace: [ 306.577923][ C1] [ 306.580914][ C1] __schedule+0x17e8/0x4a20 [ 306.585489][ C1] ? __pfx___schedule+0x10/0x10 [ 306.590382][ C1] ? __pfx_lock_release+0x10/0x10 [ 306.595490][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 306.601057][ C1] ? schedule+0x90/0x320 [ 306.605340][ C1] schedule+0x14b/0x320 [ 306.609536][ C1] schedule_preempt_disabled+0x13/0x30 [ 306.615063][ C1] __mutex_lock+0x6a4/0xd70 [ 306.619615][ C1] ? __mutex_lock+0x527/0xd70 [ 306.624368][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 306.629617][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 306.634730][ C1] ? rtnl_lock+0xe7/0x130 [ 306.639107][ C1] ip_tunnel_init_net+0x20e/0x710 [ 306.644216][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 306.649831][ C1] vti_init_net+0x2e/0xf0 [ 306.654233][ C1] ops_init+0x359/0x610 [ 306.658435][ C1] setup_net+0x515/0xca0 [ 306.662742][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 306.668379][ C1] ? __pfx_setup_net+0x10/0x10 [ 306.673229][ C1] copy_net_ns+0x4e2/0x7b0 [ 306.677693][ C1] create_new_namespaces+0x425/0x7b0 [ 306.683051][ C1] ? bpf_lsm_capable+0x9/0x10 [ 306.687773][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 306.693571][ C1] ksys_unshare+0x619/0xc10 [ 306.698129][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 306.703235][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 306.709278][ C1] ? do_syscall_64+0x100/0x230 [ 306.714127][ C1] __x64_sys_unshare+0x38/0x40 [ 306.718926][ C1] do_syscall_64+0xf3/0x230 [ 306.723496][ C1] ? clear_bhb_loop+0x35/0x90 [ 306.728217][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.734192][ C1] RIP: 0033:0x7fadcffbc2f7 [ 306.738633][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 306.747117][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 306.755154][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 306.763192][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 306.771219][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 306.779215][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 306.787265][ C1] [ 306.790310][ C1] [ 306.790310][ C1] Showing all locks held in the system: [ 306.798117][ C1] 2 locks held by getty/4849: [ 306.802893][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 306.812762][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 306.822981][ C1] 2 locks held by syz-executor129/5110: [ 306.828550][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 306.838062][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 306.847665][ C1] 2 locks held by syz-executor129/5111: [ 306.853263][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 306.862784][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 306.872443][ C1] 3 locks held by syz-executor129/5116: [ 306.878014][ C1] 3 locks held by syz-executor129/5135: [ 306.883626][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 306.893827][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 306.903688][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 306.913647][ C1] 1 lock held by syz-executor129/5137: [ 306.919132][ C1] [ 306.921524][ C1] ============================================= [ 306.921524][ C1] [ 307.930457][ C1] DEBUG: waiting rtnl_mutex for 10900 jiffies. [ 307.936678][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 307.946928][ C1] Call Trace: [ 307.950263][ C1] [ 307.953258][ C1] __schedule+0x17e8/0x4a20 [ 307.957861][ C1] ? __pfx___schedule+0x10/0x10 [ 307.962801][ C1] ? __pfx_lock_release+0x10/0x10 [ 307.967866][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 307.973415][ C1] ? schedule+0x90/0x320 [ 307.977784][ C1] schedule+0x14b/0x320 [ 307.982013][ C1] schedule_preempt_disabled+0x13/0x30 [ 307.987508][ C1] __mutex_lock+0x6a4/0xd70 [ 307.992100][ C1] ? __mutex_lock+0x527/0xd70 [ 307.996819][ C1] ? rtnl_lock_killable+0x113/0x200 [ 308.002095][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 308.007180][ C1] rtnl_lock_killable+0x113/0x200 [ 308.012275][ C1] register_netdev+0x13/0x50 [ 308.016903][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 308.021863][ C1] ops_init+0x359/0x610 [ 308.026082][ C1] setup_net+0x515/0xca0 [ 308.030358][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 308.035971][ C1] ? __pfx_setup_net+0x10/0x10 [ 308.040811][ C1] copy_net_ns+0x4e2/0x7b0 [ 308.045269][ C1] create_new_namespaces+0x425/0x7b0 [ 308.050640][ C1] ? bpf_lsm_capable+0x9/0x10 [ 308.055372][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 308.061167][ C1] ksys_unshare+0x619/0xc10 [ 308.065729][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 308.070829][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 308.076851][ C1] ? do_syscall_64+0x100/0x230 [ 308.081710][ C1] __x64_sys_unshare+0x38/0x40 [ 308.086530][ C1] do_syscall_64+0xf3/0x230 [ 308.091115][ C1] ? clear_bhb_loop+0x35/0x90 [ 308.095853][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 308.101824][ C1] RIP: 0033:0x7fadcffbc2f7 [ 308.106263][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 308.114749][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 308.122790][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 308.130824][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 308.138856][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 308.146889][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 308.154948][ C1] [ 308.157998][ C1] DEBUG: waiting rtnl_mutex for 10924 jiffies. [ 308.164212][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 308.174462][ C1] Call Trace: [ 308.177769][ C1] [ 308.180762][ C1] __schedule+0x17e8/0x4a20 [ 308.185340][ C1] ? __pfx___schedule+0x10/0x10 [ 308.190235][ C1] ? __pfx_lock_release+0x10/0x10 [ 308.195337][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 308.200879][ C1] ? schedule+0x90/0x320 [ 308.205178][ C1] schedule+0x14b/0x320 [ 308.209378][ C1] schedule_preempt_disabled+0x13/0x30 [ 308.214914][ C1] __mutex_lock+0x6a4/0xd70 [ 308.219472][ C1] ? __mutex_lock+0x527/0xd70 [ 308.224226][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 308.229474][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 308.234597][ C1] ? rtnl_lock+0xe7/0x130 [ 308.238981][ C1] ip_tunnel_init_net+0x20e/0x710 [ 308.244108][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 308.249732][ C1] vti_init_net+0x2e/0xf0 [ 308.254134][ C1] ops_init+0x359/0x610 [ 308.258359][ C1] setup_net+0x515/0xca0 [ 308.262699][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 308.268299][ C1] ? __pfx_setup_net+0x10/0x10 [ 308.273154][ C1] copy_net_ns+0x4e2/0x7b0 [ 308.277620][ C1] create_new_namespaces+0x425/0x7b0 [ 308.282988][ C1] ? bpf_lsm_capable+0x9/0x10 [ 308.287718][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 308.293515][ C1] ksys_unshare+0x619/0xc10 [ 308.298087][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 308.303192][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 308.309223][ C1] ? do_syscall_64+0x100/0x230 [ 308.314068][ C1] __x64_sys_unshare+0x38/0x40 [ 308.318893][ C1] do_syscall_64+0xf3/0x230 [ 308.323465][ C1] ? clear_bhb_loop+0x35/0x90 [ 308.328181][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 308.334139][ C1] RIP: 0033:0x7fadcffbc2f7 [ 308.338590][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 308.347080][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 308.355122][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 308.363162][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 308.371192][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 308.379199][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 308.387259][ C1] [ 308.390320][ C1] [ 308.390320][ C1] Showing all locks held in the system: [ 308.398141][ C1] 2 locks held by getty/4849: [ 308.402889][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 308.412795][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 308.422995][ C1] 2 locks held by syz-executor129/5110: [ 308.428563][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 308.438094][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 308.447697][ C1] 2 locks held by syz-executor129/5111: [ 308.453293][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 308.462812][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 308.472412][ C1] 3 locks held by syz-executor129/5116: [ 308.477985][ C1] 3 locks held by syz-executor129/5135: [ 308.483591][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 308.493804][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 308.503699][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 308.513682][ C1] 2 locks held by syz-executor129/5137: [ 308.519261][ C1] [ 308.521643][ C1] ============================================= [ 308.521643][ C1] [ 309.530462][ C1] DEBUG: waiting rtnl_mutex for 11060 jiffies. [ 309.536692][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 309.546958][ C1] Call Trace: [ 309.550262][ C1] [ 309.553278][ C1] __schedule+0x17e8/0x4a20 [ 309.557853][ C1] ? __pfx___schedule+0x10/0x10 [ 309.562782][ C1] ? __pfx_lock_release+0x10/0x10 [ 309.567856][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 309.573438][ C1] ? schedule+0x90/0x320 [ 309.577734][ C1] schedule+0x14b/0x320 [ 309.581983][ C1] schedule_preempt_disabled+0x13/0x30 [ 309.587494][ C1] __mutex_lock+0x6a4/0xd70 [ 309.592082][ C1] ? __mutex_lock+0x527/0xd70 [ 309.596823][ C1] ? rtnl_lock_killable+0x113/0x200 [ 309.602102][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 309.607190][ C1] rtnl_lock_killable+0x113/0x200 [ 309.612297][ C1] register_netdev+0x13/0x50 [ 309.616932][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 309.621895][ C1] ops_init+0x359/0x610 [ 309.626119][ C1] setup_net+0x515/0xca0 [ 309.630392][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 309.636028][ C1] ? __pfx_setup_net+0x10/0x10 [ 309.640894][ C1] copy_net_ns+0x4e2/0x7b0 [ 309.645381][ C1] create_new_namespaces+0x425/0x7b0 [ 309.650796][ C1] ? bpf_lsm_capable+0x9/0x10 [ 309.655522][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 309.661330][ C1] ksys_unshare+0x619/0xc10 [ 309.665924][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 309.671038][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 309.677063][ C1] ? do_syscall_64+0x100/0x230 [ 309.681928][ C1] __x64_sys_unshare+0x38/0x40 [ 309.686746][ C1] do_syscall_64+0xf3/0x230 [ 309.691316][ C1] ? clear_bhb_loop+0x35/0x90 [ 309.696042][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.702015][ C1] RIP: 0033:0x7fadcffbc2f7 [ 309.706459][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 309.714976][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 309.723023][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 309.731065][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 309.739065][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 309.747117][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 309.755175][ C1] [ 309.758223][ C1] DEBUG: waiting rtnl_mutex for 11084 jiffies. [ 309.764427][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 309.774691][ C1] Call Trace: [ 309.778000][ C1] [ 309.781006][ C1] __schedule+0x17e8/0x4a20 [ 309.785587][ C1] ? __pfx___schedule+0x10/0x10 [ 309.790513][ C1] ? __pfx_lock_release+0x10/0x10 [ 309.795584][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 309.801137][ C1] ? schedule+0x90/0x320 [ 309.805421][ C1] schedule+0x14b/0x320 [ 309.809620][ C1] schedule_preempt_disabled+0x13/0x30 [ 309.815159][ C1] __mutex_lock+0x6a4/0xd70 [ 309.819713][ C1] ? __mutex_lock+0x527/0xd70 [ 309.824463][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 309.829704][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 309.834818][ C1] ? rtnl_lock+0xe7/0x130 [ 309.839199][ C1] ip_tunnel_init_net+0x20e/0x710 [ 309.844398][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 309.850017][ C1] vti_init_net+0x2e/0xf0 [ 309.854421][ C1] ops_init+0x359/0x610 [ 309.858628][ C1] setup_net+0x515/0xca0 [ 309.862945][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 309.868545][ C1] ? __pfx_setup_net+0x10/0x10 [ 309.873502][ C1] copy_net_ns+0x4e2/0x7b0 [ 309.877964][ C1] create_new_namespaces+0x425/0x7b0 [ 309.883324][ C1] ? bpf_lsm_capable+0x9/0x10 [ 309.888046][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 309.893840][ C1] ksys_unshare+0x619/0xc10 [ 309.898415][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 309.903513][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 309.909540][ C1] ? do_syscall_64+0x100/0x230 [ 309.914373][ C1] __x64_sys_unshare+0x38/0x40 [ 309.919178][ C1] do_syscall_64+0xf3/0x230 [ 309.923760][ C1] ? clear_bhb_loop+0x35/0x90 [ 309.928499][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.934462][ C1] RIP: 0033:0x7fadcffbc2f7 [ 309.938903][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 309.947382][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 309.955419][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 309.963458][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 309.971488][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 309.979498][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 309.987565][ C1] [ 309.990643][ C1] [ 309.990643][ C1] Showing all locks held in the system: [ 309.998413][ C1] 2 locks held by getty/4849: [ 310.003149][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 310.013016][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 310.023222][ C1] 2 locks held by syz-executor129/5110: [ 310.028814][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 310.038320][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 310.047910][ C1] 2 locks held by syz-executor129/5111: [ 310.053510][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 310.063021][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 310.072617][ C1] 3 locks held by syz-executor129/5116: [ 310.078192][ C1] 3 locks held by syz-executor129/5135: [ 310.083788][ C1] #0: ffffc9000363fb40 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 310.093998][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 310.103844][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 310.113789][ C1] [ 310.116178][ C1] ============================================= [ 310.116178][ C1] [ 311.130476][ C1] DEBUG: waiting rtnl_mutex for 11220 jiffies. [ 311.136707][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 311.146962][ C1] Call Trace: [ 311.150264][ C1] [ 311.153266][ C1] __schedule+0x17e8/0x4a20 [ 311.157841][ C1] ? __pfx___schedule+0x10/0x10 [ 311.162784][ C1] ? __pfx_lock_release+0x10/0x10 [ 311.167853][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 311.173405][ C1] ? schedule+0x90/0x320 [ 311.177697][ C1] schedule+0x14b/0x320 [ 311.181938][ C1] schedule_preempt_disabled+0x13/0x30 [ 311.187436][ C1] __mutex_lock+0x6a4/0xd70 [ 311.192025][ C1] ? __mutex_lock+0x527/0xd70 [ 311.196751][ C1] ? rtnl_lock_killable+0x113/0x200 [ 311.202030][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 311.207133][ C1] rtnl_lock_killable+0x113/0x200 [ 311.212233][ C1] register_netdev+0x13/0x50 [ 311.216868][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 311.221826][ C1] ops_init+0x359/0x610 [ 311.226036][ C1] setup_net+0x515/0xca0 [ 311.230312][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 311.235933][ C1] ? __pfx_setup_net+0x10/0x10 [ 311.240793][ C1] copy_net_ns+0x4e2/0x7b0 [ 311.245260][ C1] create_new_namespaces+0x425/0x7b0 [ 311.250611][ C1] ? bpf_lsm_capable+0x9/0x10 [ 311.255359][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 311.261160][ C1] ksys_unshare+0x619/0xc10 [ 311.265728][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 311.270821][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 311.276843][ C1] ? do_syscall_64+0x100/0x230 [ 311.281677][ C1] __x64_sys_unshare+0x38/0x40 [ 311.286497][ C1] do_syscall_64+0xf3/0x230 [ 311.291088][ C1] ? clear_bhb_loop+0x35/0x90 [ 311.295809][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.301794][ C1] RIP: 0033:0x7fadcffbc2f7 [ 311.306254][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 311.314763][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 311.322801][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 311.330836][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 311.338834][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 311.346869][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 311.354919][ C1] [ 311.357983][ C1] DEBUG: waiting rtnl_mutex for 11244 jiffies. [ 311.364190][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 311.374515][ C1] Call Trace: [ 311.377924][ C1] [ 311.380916][ C1] __schedule+0x17e8/0x4a20 [ 311.385503][ C1] ? __pfx___schedule+0x10/0x10 [ 311.390398][ C1] ? __pfx_lock_release+0x10/0x10 [ 311.395510][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 311.401064][ C1] ? schedule+0x90/0x320 [ 311.405345][ C1] schedule+0x14b/0x320 [ 311.409542][ C1] schedule_preempt_disabled+0x13/0x30 [ 311.415077][ C1] __mutex_lock+0x6a4/0xd70 [ 311.419630][ C1] ? __mutex_lock+0x527/0xd70 [ 311.424382][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 311.429631][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 311.434758][ C1] ? rtnl_lock+0xe7/0x130 [ 311.439133][ C1] ip_tunnel_init_net+0x20e/0x710 [ 311.444239][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 311.449849][ C1] vti_init_net+0x2e/0xf0 [ 311.454285][ C1] ops_init+0x359/0x610 [ 311.458499][ C1] setup_net+0x515/0xca0 [ 311.462813][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 311.468414][ C1] ? __pfx_setup_net+0x10/0x10 [ 311.473266][ C1] copy_net_ns+0x4e2/0x7b0 [ 311.477738][ C1] create_new_namespaces+0x425/0x7b0 [ 311.483103][ C1] ? bpf_lsm_capable+0x9/0x10 [ 311.487832][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 311.493635][ C1] ksys_unshare+0x619/0xc10 [ 311.498204][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 311.503309][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 311.509368][ C1] ? do_syscall_64+0x100/0x230 [ 311.514249][ C1] __x64_sys_unshare+0x38/0x40 [ 311.519068][ C1] do_syscall_64+0xf3/0x230 [ 311.523653][ C1] ? clear_bhb_loop+0x35/0x90 [ 311.528549][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.534512][ C1] RIP: 0033:0x7fadcffbc2f7 [ 311.538959][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 311.547455][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 311.555492][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 311.563542][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 311.571580][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 311.579604][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 311.587698][ C1] [ 311.590789][ C1] [ 311.590789][ C1] Showing all locks held in the system: [ 311.598575][ C1] 2 locks held by getty/4849: [ 311.603325][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 311.613209][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 311.623421][ C1] 2 locks held by syz-executor129/5110: [ 311.628991][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 311.638589][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 311.648193][ C1] 2 locks held by syz-executor129/5111: [ 311.653808][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 311.663320][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 311.672932][ C1] 3 locks held by syz-executor129/5116: [ 311.678512][ C1] 3 locks held by syz-executor129/5135: [ 311.684119][ C1] #0: ffffc9000363fb40 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 311.694317][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 311.704202][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 311.714165][ C1] 1 lock held by syz-executor129/5137: [ 311.719655][ C1] [ 311.722045][ C1] ============================================= [ 311.722045][ C1] [ 312.810458][ C1] DEBUG: waiting rtnl_mutex for 11388 jiffies. [ 312.816712][ C1] task:syz-executor129 state:D stack:24080 pid:5111 tgid:5111 ppid:5108 flags:0x00004002 [ 312.826962][ C1] Call Trace: [ 312.830269][ C1] [ 312.833312][ C1] __schedule+0x17e8/0x4a20 [ 312.837883][ C1] ? __pfx___schedule+0x10/0x10 [ 312.842815][ C1] ? __pfx_lock_release+0x10/0x10 [ 312.847886][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 312.853437][ C1] ? schedule+0x90/0x320 [ 312.857718][ C1] schedule+0x14b/0x320 [ 312.861952][ C1] schedule_preempt_disabled+0x13/0x30 [ 312.867447][ C1] __mutex_lock+0x6a4/0xd70 [ 312.872047][ C1] ? __mutex_lock+0x527/0xd70 [ 312.876769][ C1] ? rtnl_lock_killable+0x113/0x200 [ 312.882043][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 312.887127][ C1] rtnl_lock_killable+0x113/0x200 [ 312.892242][ C1] register_netdev+0x13/0x50 [ 312.896880][ C1] ip6_tnl_init_net+0x238/0x2f0 [ 312.901812][ C1] ops_init+0x359/0x610 [ 312.906021][ C1] setup_net+0x515/0xca0 [ 312.910323][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 312.915956][ C1] ? __pfx_setup_net+0x10/0x10 [ 312.920805][ C1] copy_net_ns+0x4e2/0x7b0 [ 312.925272][ C1] create_new_namespaces+0x425/0x7b0 [ 312.930643][ C1] ? bpf_lsm_capable+0x9/0x10 [ 312.935369][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 312.941169][ C1] ksys_unshare+0x619/0xc10 [ 312.945729][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 312.950837][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 312.956865][ C1] ? do_syscall_64+0x100/0x230 [ 312.961710][ C1] __x64_sys_unshare+0x38/0x40 [ 312.966522][ C1] do_syscall_64+0xf3/0x230 [ 312.971094][ C1] ? clear_bhb_loop+0x35/0x90 [ 312.975837][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 312.981898][ C1] RIP: 0033:0x7fadcffbc2f7 [ 312.986341][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 312.994826][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 313.002870][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 313.010899][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 313.018894][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 313.026923][ C1] R13: 0000000000000002 R14: 0000000000000002 R15: 00007ffe7c8421f0 [ 313.034985][ C1] [ 313.038032][ C1] DEBUG: waiting rtnl_mutex for 11412 jiffies. [ 313.044229][ C1] task:syz-executor129 state:D stack:23864 pid:5110 tgid:5110 ppid:5107 flags:0x00004002 [ 313.054450][ C1] Call Trace: [ 313.057757][ C1] [ 313.060751][ C1] __schedule+0x17e8/0x4a20 [ 313.065330][ C1] ? __pfx___schedule+0x10/0x10 [ 313.070223][ C1] ? __pfx_lock_release+0x10/0x10 [ 313.075333][ C1] ? __mutex_trylock_common+0x92/0x2e0 [ 313.080877][ C1] ? schedule+0x90/0x320 [ 313.085178][ C1] schedule+0x14b/0x320 [ 313.089385][ C1] schedule_preempt_disabled+0x13/0x30 [ 313.094922][ C1] __mutex_lock+0x6a4/0xd70 [ 313.099473][ C1] ? __mutex_lock+0x527/0xd70 [ 313.104223][ C1] ? ip_tunnel_init_net+0x20e/0x710 [ 313.109474][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 313.114580][ C1] ? rtnl_lock+0xe7/0x130 [ 313.118973][ C1] ip_tunnel_init_net+0x20e/0x710 [ 313.124086][ C1] ? __pfx_ip_tunnel_init_net+0x10/0x10 [ 313.129710][ C1] vti_init_net+0x2e/0xf0 [ 313.134112][ C1] ops_init+0x359/0x610 [ 313.138320][ C1] setup_net+0x515/0xca0 [ 313.142636][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 313.148228][ C1] ? __pfx_setup_net+0x10/0x10 [ 313.153083][ C1] copy_net_ns+0x4e2/0x7b0 [ 313.157546][ C1] create_new_namespaces+0x425/0x7b0 [ 313.162912][ C1] ? bpf_lsm_capable+0x9/0x10 [ 313.167636][ C1] unshare_nsproxy_namespaces+0x124/0x180 [ 313.173430][ C1] ksys_unshare+0x619/0xc10 [ 313.177990][ C1] ? __pfx_ksys_unshare+0x10/0x10 [ 313.183089][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 313.189116][ C1] ? do_syscall_64+0x100/0x230 [ 313.193964][ C1] __x64_sys_unshare+0x38/0x40 [ 313.198776][ C1] do_syscall_64+0xf3/0x230 [ 313.203358][ C1] ? clear_bhb_loop+0x35/0x90 [ 313.208088][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 313.214040][ C1] RIP: 0033:0x7fadcffbc2f7 [ 313.218481][ C1] RSP: 002b:00007ffe7c842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 313.226958][ C1] RAX: ffffffffffffffda RBX: 00007ffe7c8421b8 RCX: 00007fadcffbc2f7 [ 313.234991][ C1] RDX: 00007fadcffbae79 RSI: 00007ffe7c842230 RDI: 0000000040000000 [ 313.243028][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 313.251056][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 313.259049][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7c8421f0 [ 313.267111][ C1] [ 313.270159][ C1] [ 313.270159][ C1] Showing all locks held in the system: [ 313.277970][ C1] 2 locks held by getty/4849: [ 313.282710][ C1] #0: ffff88802f4a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 313.292572][ C1] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 313.302796][ C1] 2 locks held by syz-executor129/5110: [ 313.308398][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 313.317912][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 [ 313.327504][ C1] 2 locks held by syz-executor129/5111: [ 313.333096][ C1] #0: ffffffff8f5eb450 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 [ 313.342604][ C1] #1: ffffffff8f5f7d08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_killable+0x113/0x200 [ 313.352203][ C1] 3 locks held by syz-executor129/5116: [ 313.357768][ C1] 3 locks held by syz-executor129/5135: [ 313.363368][ C1] #0: ffffc90000a18c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 313.373582][ C1] #1: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 [ 313.383443][ C1] #2: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 313.393379][ C1] [ 313.395725][ C1] ============================================= [ 313.395725][ C1]