Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.865971] FAULT_INJECTION: forcing a failure. [ 33.865971] name failslab, interval 1, probability 0, space 0, times 1 [ 33.877293] CPU: 0 PID: 8131 Comm: syz-executor205 Not tainted 4.19.211-syzkaller #0 [ 33.885156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.894496] Call Trace: [ 33.897087] dump_stack+0x1fc/0x2ef [ 33.900710] should_fail.cold+0xa/0xf [ 33.904499] ? setup_fault_attr+0x200/0x200 [ 33.908811] ? __lockdep_init_map+0x100/0x5a0 [ 33.913329] __should_failslab+0x115/0x180 [ 33.917563] should_failslab+0x5/0x10 [ 33.921355] kmem_cache_alloc_trace+0x46/0x380 [ 33.925925] batadv_hash_new+0x4a/0x290 [ 33.929906] batadv_originator_init+0x51/0x240 [ 33.934479] batadv_mesh_init+0x46a/0x690 [ 33.938619] batadv_softif_init_late+0xad7/0xd90 [ 33.943448] ? batadv_get_strings+0x40/0x40 [ 33.947756] ? batadv_get_strings+0x40/0x40 [ 33.952062] register_netdevice+0x2dc/0x10f0 [ 33.956452] ? unregister_netdev+0x20/0x20 [ 33.960682] ? rtnl_create_link+0x145/0xa40 [ 33.964991] rtnl_newlink+0x13b5/0x15c0 [ 33.968955] ? rtnl_getlink+0x620/0x620 [ 33.972914] ? __lock_acquire+0x6de/0x3ff0 [ 33.977137] ? mark_held_locks+0xf0/0xf0 [ 33.981184] ? get_reg+0x1f0/0x1f0 [ 33.984709] ? mark_held_locks+0xf0/0xf0 [ 33.988766] ? unwind_next_frame+0xeee/0x1400 [ 33.993255] ? mark_held_locks+0xf0/0xf0 [ 33.997309] ? __lock_acquire+0x6de/0x3ff0 [ 34.001533] ? get_reg+0x1f0/0x1f0 [ 34.005058] ? trace_hardirqs_off+0x64/0x200 [ 34.009461] ? mark_held_locks+0xf0/0xf0 [ 34.013507] ? unwind_next_frame+0xeee/0x1400 [ 34.017983] ? __save_stack_trace+0x72/0x190 [ 34.022378] ? deref_stack_reg+0x134/0x1d0 [ 34.026592] ? get_reg+0x176/0x1f0 [ 34.030118] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 34.035993] ? deref_stack_reg+0x1d0/0x1d0 [ 34.040233] ? __lock_acquire+0x6de/0x3ff0 [ 34.044467] ? __lock_acquire+0x6de/0x3ff0 [ 34.048694] ? mark_held_locks+0xf0/0xf0 [ 34.052745] ? get_reg+0x1f0/0x1f0 [ 34.056274] ? unwind_next_frame+0xeee/0x1400 [ 34.060771] ? mutex_trylock+0x1a0/0x1a0 [ 34.064820] ? rtnetlink_rcv_msg+0x3a0/0xb80 [ 34.069267] ? rtnl_getlink+0x620/0x620 [ 34.073221] rtnetlink_rcv_msg+0x453/0xb80 [ 34.077439] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.081917] ? __netlink_lookup+0x3fc/0x730 [ 34.086222] ? lock_downgrade+0x720/0x720 [ 34.090348] ? check_preemption_disabled+0x41/0x280 [ 34.095696] netlink_rcv_skb+0x160/0x440 [ 34.099762] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.104247] ? netlink_ack+0xae0/0xae0 [ 34.108126] netlink_unicast+0x4d5/0x690 [ 34.112180] ? netlink_sendskb+0x110/0x110 [ 34.116399] ? _copy_from_iter_full+0x229/0x7c0 [ 34.121055] ? __phys_addr_symbol+0x2c/0x70 [ 34.125477] ? __check_object_size+0x17b/0x3e0 [ 34.130043] netlink_sendmsg+0x6c3/0xc50 [ 34.134098] ? aa_af_perm+0x230/0x230 [ 34.137891] ? nlmsg_notify+0x1f0/0x1f0 [ 34.141850] ? kernel_recvmsg+0x220/0x220 [ 34.145986] ? nlmsg_notify+0x1f0/0x1f0 [ 34.149961] sock_sendmsg+0xc3/0x120 [ 34.153663] ___sys_sendmsg+0x7bb/0x8e0 [ 34.157626] ? check_preemption_disabled+0x41/0x280 [ 34.162639] ? copy_msghdr_from_user+0x440/0x440 [ 34.167383] ? proc_fail_nth_write+0x95/0x1d0 [ 34.171862] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.176778] ? debug_check_no_obj_freed+0x201/0x490 [ 34.182189] ? __vfs_write+0xff/0x770 [ 34.185974] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.190889] ? common_file_perm+0x4e5/0x850 [ 34.195194] ? kernel_read+0x110/0x110 [ 34.199066] ? trace_hardirqs_off+0x64/0x200 [ 34.203456] ? fsnotify+0x84e/0xe10 [ 34.207067] ? vfs_write+0x3d7/0x540 [ 34.210766] ? __fdget+0x1a0/0x230 [ 34.214291] __x64_sys_sendmsg+0x132/0x220 [ 34.218508] ? __sys_sendmsg+0x1b0/0x1b0 [ 34.222549] ? vfs_write+0x393/0x540 [ 34.226253] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.231607] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.236603] ? do_syscall_64+0x21/0x620 [ 34.240559] do_syscall_64+0xf9/0x620 [ 34.244348] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.249544] RIP: 0033:0x7f4fe94ae809 [ 34.253324] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.272206] RSP: 002b:00007ffebfec4ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.279895] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4fe94ae809 [ 34.287148] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 34.294398] RBP: 00007ffebfec4ac0 R08: 0000000000000002 R09: 00007f4fe9003031 [ 34.301648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.308899] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.317647] ------------[ cut here ]------------ [ 34.322416] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) [ 34.332812] WARNING: CPU: 0 PID: 8131 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 34.341560] Kernel panic - not syncing: panic_on_warn set ... [ 34.341560] [ 34.348926] CPU: 0 PID: 8131 Comm: syz-executor205 Not tainted 4.19.211-syzkaller #0 [ 34.356798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.366132] Call Trace: [ 34.368722] dump_stack+0x1fc/0x2ef [ 34.372333] panic+0x26a/0x50e [ 34.375508] ? __warn_printk+0xf3/0xf3 [ 34.379381] ? debug_print_object+0x160/0x250 [ 34.383856] ? __probe_kernel_read+0x130/0x1b0 [ 34.388417] ? __warn.cold+0x5/0x5a [ 34.392027] ? __warn+0xe4/0x200 [ 34.395373] ? debug_print_object+0x160/0x250 [ 34.399848] __warn.cold+0x20/0x5a [ 34.403370] ? debug_print_object+0x160/0x250 [ 34.407847] report_bug+0x262/0x2b0 [ 34.411457] do_error_trap+0x1d7/0x310 [ 34.415326] ? math_error+0x310/0x310 [ 34.419110] ? irq_work_claim+0xa6/0xc0 [ 34.423068] ? irq_work_queue+0x29/0x80 [ 34.427027] ? error_entry+0x72/0xd0 [ 34.430721] ? trace_hardirqs_off_caller+0x2c/0x210 [ 34.435723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.440551] invalid_op+0x14/0x20 [ 34.443997] RIP: 0010:debug_print_object+0x160/0x250 [ 34.449081] Code: dd 20 f1 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 f1 b3 88 48 c7 c7 40 e5 b3 88 e8 65 92 7b 04 <0f> 0b 83 05 73 e6 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 34.467963] RSP: 0018:ffff8880954b6c10 EFLAGS: 00010086 [ 34.473307] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 34.480558] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a96d74 [ 34.487810] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 34.495061] R10: 0000000000000005 R11: ffffffff8c66501b R12: ffffffff89f90a40 [ 34.502311] R13: ffffffff815313f0 R14: ffff8880b15b96c0 R15: 1ffff11012a96d8d [ 34.509572] ? calc_wheel_index+0x230/0x230 [ 34.513876] ? vprintk_func+0x81/0x180 [ 34.517752] debug_object_assert_init+0x1f0/0x2e0 [ 34.522574] ? debug_object_free+0x380/0x380 [ 34.526963] ? mark_held_locks+0xf0/0xf0 [ 34.531013] del_timer+0x6d/0x100 [ 34.534449] ? run_timer_softirq+0x670/0x670 [ 34.538839] ? batadv_tvlv_handler_get+0x314/0x470 [ 34.543751] ? trace_hardirqs_off+0x64/0x200 [ 34.548142] try_to_grab_pending+0x2b6/0x6f0 [ 34.552532] __cancel_work_timer+0xa6/0x590 [ 34.556834] ? try_to_grab_pending+0x6f0/0x6f0 [ 34.561398] ? batadv_tvlv_handler_get+0x33b/0x470 [ 34.566313] ? batadv_tvlv_handler_put+0x40/0x40 [ 34.571052] ? mark_held_locks+0xa6/0xf0 [ 34.575097] batadv_nc_mesh_free+0x41/0x120 [ 34.579398] batadv_mesh_free+0x7d/0x170 [ 34.583440] batadv_mesh_init+0x5b7/0x690 [ 34.587568] batadv_softif_init_late+0xad7/0xd90 [ 34.592303] ? batadv_get_strings+0x40/0x40 [ 34.596608] ? batadv_get_strings+0x40/0x40 [ 34.600911] register_netdevice+0x2dc/0x10f0 [ 34.605302] ? unregister_netdev+0x20/0x20 [ 34.609516] ? rtnl_create_link+0x145/0xa40 [ 34.613818] rtnl_newlink+0x13b5/0x15c0 [ 34.617781] ? rtnl_getlink+0x620/0x620 [ 34.621736] ? __lock_acquire+0x6de/0x3ff0 [ 34.625954] ? mark_held_locks+0xf0/0xf0 [ 34.630002] ? get_reg+0x1f0/0x1f0 [ 34.633522] ? mark_held_locks+0xf0/0xf0 [ 34.637567] ? unwind_next_frame+0xeee/0x1400 [ 34.642045] ? mark_held_locks+0xf0/0xf0 [ 34.646091] ? __lock_acquire+0x6de/0x3ff0 [ 34.650309] ? get_reg+0x1f0/0x1f0 [ 34.653828] ? trace_hardirqs_off+0x64/0x200 [ 34.658226] ? mark_held_locks+0xf0/0xf0 [ 34.662270] ? unwind_next_frame+0xeee/0x1400 [ 34.666745] ? __save_stack_trace+0x72/0x190 [ 34.671135] ? deref_stack_reg+0x134/0x1d0 [ 34.675356] ? get_reg+0x176/0x1f0 [ 34.678878] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 34.684829] ? deref_stack_reg+0x1d0/0x1d0 [ 34.689045] ? __lock_acquire+0x6de/0x3ff0 [ 34.693266] ? __lock_acquire+0x6de/0x3ff0 [ 34.697484] ? mark_held_locks+0xf0/0xf0 [ 34.701525] ? get_reg+0x1f0/0x1f0 [ 34.705049] ? unwind_next_frame+0xeee/0x1400 [ 34.709557] ? mutex_trylock+0x1a0/0x1a0 [ 34.713602] ? rtnetlink_rcv_msg+0x3a0/0xb80 [ 34.717997] ? rtnl_getlink+0x620/0x620 [ 34.721955] rtnetlink_rcv_msg+0x453/0xb80 [ 34.726174] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.730659] ? __netlink_lookup+0x3fc/0x730 [ 34.734965] ? lock_downgrade+0x720/0x720 [ 34.739096] ? check_preemption_disabled+0x41/0x280 [ 34.744101] netlink_rcv_skb+0x160/0x440 [ 34.748143] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.752617] ? netlink_ack+0xae0/0xae0 [ 34.756491] netlink_unicast+0x4d5/0x690 [ 34.760532] ? netlink_sendskb+0x110/0x110 [ 34.764748] ? _copy_from_iter_full+0x229/0x7c0 [ 34.769400] ? __phys_addr_symbol+0x2c/0x70 [ 34.773704] ? __check_object_size+0x17b/0x3e0 [ 34.778267] netlink_sendmsg+0x6c3/0xc50 [ 34.782313] ? aa_af_perm+0x230/0x230 [ 34.786095] ? nlmsg_notify+0x1f0/0x1f0 [ 34.790049] ? kernel_recvmsg+0x220/0x220 [ 34.794180] ? nlmsg_notify+0x1f0/0x1f0 [ 34.798139] sock_sendmsg+0xc3/0x120 [ 34.801839] ___sys_sendmsg+0x7bb/0x8e0 [ 34.805796] ? check_preemption_disabled+0x41/0x280 [ 34.810791] ? copy_msghdr_from_user+0x440/0x440 [ 34.815532] ? proc_fail_nth_write+0x95/0x1d0 [ 34.820008] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.824921] ? debug_check_no_obj_freed+0x201/0x490 [ 34.829921] ? __vfs_write+0xff/0x770 [ 34.833701] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.838613] ? common_file_perm+0x4e5/0x850 [ 34.842914] ? kernel_read+0x110/0x110 [ 34.846784] ? trace_hardirqs_off+0x64/0x200 [ 34.851171] ? fsnotify+0x84e/0xe10 [ 34.854781] ? vfs_write+0x3d7/0x540 [ 34.858475] ? __fdget+0x1a0/0x230 [ 34.862086] __x64_sys_sendmsg+0x132/0x220 [ 34.866304] ? __sys_sendmsg+0x1b0/0x1b0 [ 34.870352] ? vfs_write+0x393/0x540 [ 34.874053] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.879399] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.884399] ? do_syscall_64+0x21/0x620 [ 34.888490] do_syscall_64+0xf9/0x620 [ 34.892280] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.897450] RIP: 0033:0x7f4fe94ae809 [ 34.901172] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.920059] RSP: 002b:00007ffebfec4ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.927750] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4fe94ae809 [ 34.935000] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 34.942253] RBP: 00007ffebfec4ac0 R08: 0000000000000002 R09: 00007f4fe9003031 [ 34.949502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.956751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.964380] Kernel Offset: disabled [ 34.968055] Rebooting in 86400 seconds..