[ 25.357780][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.365125][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.515329][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 25.524865][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.592697][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.600922][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.609457][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.617579][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.780128][ T1462] syz-executor.0 (1462) used greatest stack depth: 11056 bytes left [ 25.890509][ T1435] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.10.15' (ED25519) to the list of known hosts. 2024/05/17 23:54:52 ignoring optional flag "sandboxArg"="0" 2024/05/17 23:54:52 parsed 1 programs 2024/05/17 23:54:52 executed programs: 0 [ 44.527658][ T1812] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 45.318772][ T1991] modprobe (1991) used greatest stack depth: 10928 bytes left [ 47.198623][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.206214][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.262894][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.270591][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.342214][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.350832][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.359528][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.368253][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.376884][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.384950][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.392977][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.401224][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.558252][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.565730][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.573128][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.581453][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.589788][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.598374][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.606548][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.615023][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.623728][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.631693][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.639673][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.647162][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.654750][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.662104][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.744517][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.753296][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.761803][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.770305][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.778610][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.786816][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.794707][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.802834][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.810802][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.819570][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.828063][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.837030][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.845332][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.853297][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.861185][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.869395][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.881126][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.889927][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.898053][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.906383][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.989396][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.997372][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.005873][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.014033][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.761692][ T1821] device veth0_vlan entered promiscuous mode [ 48.769025][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.777711][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.786169][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.793985][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.836871][ T1827] device veth0_vlan entered promiscuous mode [ 48.870932][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.878561][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.886060][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.894682][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.903093][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.910904][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.922697][ T1823] device veth0_vlan entered promiscuous mode [ 48.939568][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.947356][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.954957][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.963196][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.971830][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.979660][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.988014][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.995501][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.111903][ T1831] device veth0_vlan entered promiscuous mode [ 49.118578][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.127105][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.136152][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.144086][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.156319][ T1834] device veth0_vlan entered promiscuous mode [ 49.165321][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.172975][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.180399][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.189055][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.197260][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.205244][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.345254][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.352715][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.397535][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.405768][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.569033][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.577093][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.700459][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.708623][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.716986][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.725316][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.788882][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.796948][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.805083][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.813229][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.881630][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.890018][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.898252][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.907113][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.915358][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.923683][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.040539][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.048705][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.057236][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.065572][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.151733][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.160158][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.168488][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.177163][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.185606][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.193893][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2024/05/17 23:54:58 executed programs: 5 [ 50.202227][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.210510][ T644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.851250][ T3027] [ 50.853573][ T3027] ============================================ [ 50.859697][ T3027] WARNING: possible recursive locking detected [ 50.865824][ T3027] 6.1.91-syzkaller #0 Not tainted [ 50.871079][ T3027] -------------------------------------------- [ 50.877373][ T3027] syz-executor.3/3027 is trying to acquire lock: [ 50.883937][ T3027] ffff88811d93a640 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x56/0xb0 [ 50.893213][ T3027] [ 50.893213][ T3027] but task is already holding lock: [ 50.901514][ T3027] ffff88811d93a240 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x56/0xb0 [ 50.910704][ T3027] [ 50.910704][ T3027] other info that might help us debug this: [ 50.918744][ T3027] Possible unsafe locking scenario: [ 50.918744][ T3027] [ 50.926591][ T3027] CPU0 [ 50.930204][ T3027] ---- [ 50.933801][ T3027] lock(&stab->lock); [ 50.938007][ T3027] lock(&stab->lock); [ 50.942055][ T3027] [ 50.942055][ T3027] *** DEADLOCK *** [ 50.942055][ T3027] [ 50.950179][ T3027] May be due to missing lock nesting notation [ 50.950179][ T3027] [ 50.958646][ T3027] 4 locks held by syz-executor.3/3027: [ 50.964075][ T3027] #0: ffff88811d7b1438 (&child->perf_event_mutex){+.+.}-{3:3}, at: perf_event_exit_task+0x30/0x350 [ 50.974889][ T3027] #1: ffffffff83186ca0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x50/0x190 [ 50.984503][ T3027] #2: ffff88811d93a240 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x56/0xb0 [ 50.994279][ T3027] #3: ffffffff83186ca0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x50/0x190 [ 51.003897][ T3027] [ 51.003897][ T3027] stack backtrace: [ 51.009839][ T3027] CPU: 0 PID: 3027 Comm: syz-executor.3 Not tainted 6.1.91-syzkaller #0 [ 51.018305][ T3027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 51.028422][ T3027] Call Trace: [ 51.031700][ T3027] [ 51.034607][ T3027] dump_stack_lvl+0x89/0xd7 [ 51.039178][ T3027] __lock_acquire+0x811/0x2df0 [ 51.043916][ T3027] ? __lock_acquire+0x615/0x2df0 [ 51.049089][ T3027] ? __lock_acquire+0x615/0x2df0 [ 51.054468][ T3027] lock_acquire+0xe5/0x290 [ 51.059001][ T3027] ? sock_map_delete_elem+0x56/0xb0 [ 51.064292][ T3027] ? sock_map_delete_elem+0x56/0xb0 [ 51.069458][ T3027] _raw_spin_lock_bh+0x31/0x40 [ 51.074376][ T3027] ? sock_map_delete_elem+0x56/0xb0 [ 51.079715][ T3027] sock_map_delete_elem+0x56/0xb0 [ 51.084725][ T3027] bpf_map_delete_elem+0x3c/0x50 [ 51.089818][ T3027] ___bpf_prog_run+0x816/0x1b20 [ 51.094630][ T3027] ? bpf_trace_run2+0x50/0x190 [ 51.099360][ T3027] __bpf_prog_run32+0xb7/0xe0 [ 51.104287][ T3027] ? bpf_trace_run2+0x50/0x190 [ 51.109107][ T3027] bpf_trace_run2+0xc3/0x190 [ 51.113976][ T3027] __traceiter_contention_end+0x26/0x40 [ 51.119871][ T3027] trace_contention_end+0x6a/0x80 [ 51.125664][ T3027] __pv_queued_spin_lock_slowpath+0x37c/0x3c0 [ 51.131916][ T3027] queued_spin_lock_slowpath+0x11/0x20 [ 51.137431][ T3027] do_raw_spin_lock+0x8b/0x90 [ 51.142084][ T3027] sock_map_delete_elem+0x56/0xb0 [ 51.147157][ T3027] bpf_map_delete_elem+0x3c/0x50 [ 51.152216][ T3027] ___bpf_prog_run+0x816/0x1b20 [ 51.157221][ T3027] ? bpf_trace_run2+0x50/0x190 [ 51.162044][ T3027] __bpf_prog_run32+0xb7/0xe0 [ 51.166756][ T3027] ? bpf_trace_run2+0x50/0x190 [ 51.171678][ T3027] bpf_trace_run2+0xc3/0x190 [ 51.176254][ T3027] __traceiter_contention_end+0x26/0x40 [ 51.181819][ T3027] ? perf_event_exit_task+0x30/0x350 [ 51.187170][ T3027] __mutex_lock+0xa18/0xbd0 [ 51.191653][ T3027] perf_event_exit_task+0x30/0x350 [ 51.196795][ T3027] ? exit_task_namespaces+0x36/0x60 [ 51.202067][ T3027] ? do_raw_spin_unlock+0x63/0x2b0 [ 51.207145][ T3027] do_exit+0x325/0xad0 [ 51.211196][ T3027] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.216386][ T3027] ? lockdep_hardirqs_on+0x94/0x130 [ 51.221580][ T3027] do_group_exit+0x97/0xa0 [ 51.226151][ T3027] __x64_sys_exit_group+0xe/0x10 [ 51.231059][ T3027] do_syscall_64+0x3b/0xb0 [ 51.235461][ T3027] ? clear_bhb_loop+0x45/0xa0 [ 51.240276][ T3027] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 51.246243][ T3027] RIP: 0033:0x7f7a145d8e69 [ 51.250799][ T3027] Code: Unable to access opcode bytes at 0x7f7a145d8e3f. [ 51.258221][ T3027] RSP: 002b:00007fff48264fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 51.266590][ T3027] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f7a145d8e69 [ 51.274623][ T3027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.283039][ T3027] RBP: 0000000000000001 R08: 00007f7a14706f8c R09: 0000000000000000 [ 51.291425][ T3027] R10: 0000001b2d560000 R11: 0000000000000246 R12: 0000000000000000 [ 51.299627][ T3027] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 51.307686][ T3027] 2024/05/17 23:55:03 executed programs: 407 2024/05/17 23:55:08 executed programs: 889