Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. syzkaller login: [ 67.934178][ T8752] IPVS: ftp: loaded support on port[0] = 21 [ 67.989615][ T8752] chnl_net:caif_netlink_parms(): no params data found [ 68.015178][ T8752] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.023243][ T8752] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.031151][ T8752] device bridge_slave_0 entered promiscuous mode [ 68.039791][ T8752] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.046980][ T8752] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.054648][ T8752] device bridge_slave_1 entered promiscuous mode [ 68.071941][ T8752] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.082495][ T8752] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.101614][ T8752] team0: Port device team_slave_0 added [ 68.108602][ T8752] team0: Port device team_slave_1 added [ 68.188780][ T8752] device hsr_slave_0 entered promiscuous mode [ 68.257511][ T8752] device hsr_slave_1 entered promiscuous mode [ 68.334371][ T8752] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.341740][ T8752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.349567][ T8752] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.356614][ T8752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.390855][ T8752] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.403004][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.412997][ T2871] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.421475][ T2871] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.430242][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.442051][ T8752] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.452966][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.461673][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.468789][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.487852][ T8754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.496278][ T8754] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.503395][ T8754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.512130][ T8754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.520862][ T8754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.529340][ T8754] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 68.539022][ T8754] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.550098][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.560119][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.578507][ T8752] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.615379][ T8752] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.623257][ T8752] #PF: supervisor instruction fetch in kernel mode [ 68.629734][ T8752] #PF: error_code(0x0010) - not-present page [ 68.635705][ T8752] PGD a7c47067 P4D a7c47067 PUD 9ccd6067 PMD 0 [ 68.641926][ T8752] Oops: 0010 [#1] PREEMPT SMP KASAN [ 68.647107][ T8752] CPU: 0 PID: 8752 Comm: syz-executor023 Not tainted 5.4.0-rc1+ #0 [ 68.654977][ T8752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.665025][ T8752] RIP: 0010:0x0 [ 68.668472][ T8752] Code: Bad RIP value. [ 68.672513][ T8752] RSP: 0018:ffff888097847848 EFLAGS: 00010246 [ 68.678555][ T8752] RAX: 0000000000000000 RBX: ffff88808cc651c0 RCX: 1ffff1101198cacc [ 68.686502][ T8752] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff888090570b00 [ 68.694450][ T8752] RBP: ffff888097847880 R08: ffff88809175a500 R09: ffffed101198ca81 [ 68.702397][ T8752] R10: ffffed101198ca80 R11: ffff88808cc65407 R12: 0000000000000002 [ 68.710346][ T8752] R13: 0000000000000304 R14: ffff888090570b00 R15: 0000000000000000 [ 68.718310][ T8752] FS: 00000000015e2880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 68.727222][ T8752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.733823][ T8752] CR2: ffffffffffffffd6 CR3: 00000000a6133000 CR4: 00000000001406f0 [ 68.741815][ T8752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.749773][ T8752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.757733][ T8752] Call Trace: [ 68.761011][ T8752] xsk_poll+0x1e7/0x5a0 [ 68.765145][ T8752] ? xsk_setsockopt+0x730/0x730 [ 68.769983][ T8752] sock_poll+0x15e/0x480 [ 68.774211][ T8752] ? do_recvmmsg+0x7a0/0x7a0 [ 68.778789][ T8752] do_sys_poll+0x63c/0xdd0 [ 68.783205][ T8752] ? arch_stack_walk+0x97/0xf0 [ 68.788005][ T8752] ? compat_core_sys_select+0x770/0x770 [ 68.793537][ T8752] ? __rtnl_unlock+0x36/0x90 [ 68.798111][ T8752] ? find_held_lock+0x35/0x130 [ 68.802856][ T8752] ? lock_downgrade+0x920/0x920 [ 68.807684][ T8752] ? __kasan_check_write+0x14/0x20 [ 68.812770][ T8752] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 68.818301][ T8752] ? find_held_lock+0x35/0x130 [ 68.823039][ T8752] ? poll_initwait+0x180/0x180 [ 68.828610][ T8752] ? poll_freewait+0x260/0x260 [ 68.833359][ T8752] ? mutex_unlock+0xd/0x10 [ 68.837765][ T8752] ? __rtnl_unlock+0x7c/0x90 [ 68.842333][ T8752] ? netdev_run_todo+0x559/0x7d0 [ 68.847269][ T8752] ? __kasan_check_write+0x14/0x20 [ 68.852361][ T8752] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 68.857905][ T8752] ? register_netdev+0x50/0x50 [ 68.862644][ T8752] ? wait_for_completion+0x440/0x440 [ 68.867916][ T8752] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 68.873709][ T8752] ? xdp_add_sk_umem+0x134/0x1c0 [ 68.878635][ T8752] ? rtnl_unlock+0xe/0x10 [ 68.882948][ T8752] ? xsk_bind+0x1e7/0x1190 [ 68.887356][ T8752] ? xsk_clear_rx_need_wakeup+0x100/0x100 [ 68.893078][ T8752] ? apparmor_socket_bind+0xb6/0x160 [ 68.898343][ T8752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.904586][ T8752] ? security_socket_bind+0x8d/0xc0 [ 68.909787][ T8752] ? set_user_sigmask+0x166/0x1e0 [ 68.914824][ T8752] ? sigprocmask+0x2b0/0x2b0 [ 68.919431][ T8752] ? __ia32_sys_socketpair+0xf0/0xf0 [ 68.924799][ T8752] __x64_sys_ppoll+0x259/0x310 [ 68.929545][ T8752] ? __sys_socket+0x180/0x220 [ 68.934199][ T8752] ? __ia32_sys_poll+0x470/0x470 [ 68.939302][ T8752] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 68.944738][ T8752] ? do_syscall_64+0x26/0x760 [ 68.949394][ T8752] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.955438][ T8752] ? do_syscall_64+0x26/0x760 [ 68.960099][ T8752] ? lockdep_hardirqs_on+0x421/0x5e0 [ 68.965369][ T8752] ? trace_hardirqs_on+0x67/0x240 [ 68.970376][ T8752] do_syscall_64+0xfa/0x760 [ 68.974870][ T8752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.980740][ T8752] RIP: 0033:0x441bd9 [ 68.984613][ T8752] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.004195][ T8752] RSP: 002b:00007ffe517a1228 EFLAGS: 00000246 ORIG_RAX: 000000000000010f [ 69.012584][ T8752] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441bd9 [ 69.020552][ T8752] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000020000040 [ 69.028514][ T8752] RBP: 00007ffe517a1240 R08: 0000000000000000 R09: 0000000001bbbbbb [ 69.036753][ T8752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.044722][ T8752] R13: 0000000000403170 R14: 0000000000000000 R15: 0000000000000000 [ 69.053904][ T8752] Modules linked in: [ 69.057781][ T8752] CR2: 0000000000000000 [ 69.064592][ T8752] ---[ end trace 18a098b838a66728 ]--- [ 69.070621][ T8752] RIP: 0010:0x0 [ 69.074080][ T8752] Code: Bad RIP value. [ 69.078191][ T8752] RSP: 0018:ffff888097847848 EFLAGS: 00010246 [ 69.084268][ T8752] RAX: 0000000000000000 RBX: ffff88808cc651c0 RCX: 1ffff1101198cacc [ 69.092711][ T8752] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff888090570b00 [ 69.100919][ T8752] RBP: ffff888097847880 R08: ffff88809175a500 R09: ffffed101198ca81 [ 69.108979][ T8752] R10: ffffed101198ca80 R11: ffff88808cc65407 R12: 0000000000000002 [ 69.117066][ T8752] R13: 0000000000000304 R14: ffff888090570b00 R15: 0000000000000000 [ 69.125047][ T8752] FS: 00000000015e2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 69.134200][ T8752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.141146][ T8752] CR2: ffffffffffffffd6 CR3: 00000000a6133000 CR4: 00000000001406e0 [ 69.149185][ T8752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.157174][ T8752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.165125][ T8752] Kernel panic - not syncing: Fatal exception [ 69.172528][ T8752] Kernel Offset: disabled [ 69.176862][ T8752] Rebooting in 86400 seconds..