Warning: Permanently added '10.128.1.17' (ECDSA) to the list of known hosts. 2021/06/30 20:30:23 fuzzer started 2021/06/30 20:30:23 connecting to host at 10.128.0.169:44827 2021/06/30 20:30:23 checking machine... 2021/06/30 20:30:23 checking revisions... syzkaller login: [ 94.959850][ T8436] [ 94.962877][ T8436] ====================================================== [ 94.971127][ T8436] WARNING: possible circular locking dependency detected [ 94.979565][ T8436] 5.13.0-syzkaller #0 Not tainted [ 94.985664][ T8436] ------------------------------------------------------ [ 94.993637][ T8436] syz-fuzzer/8436 is trying to acquire lock: [ 94.999697][ T8436] ffffffff8c099780 (fs_reclaim){+.+.}-{0:0}, at: fs_reclaim_acquire+0xf7/0x160 [ 95.010429][ T8436] [ 95.010429][ T8436] but task is already holding lock: [ 95.018418][ T8436] ffff8880b9d31620 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 [ 95.030158][ T8436] [ 95.030158][ T8436] which lock already depends on the new lock. [ 95.030158][ T8436] [ 95.042925][ T8436] [ 95.042925][ T8436] the existing dependency chain (in reverse order) is: [ 95.054017][ T8436] [ 95.054017][ T8436] -> #1 (lock#2){-.-.}-{2:2}: [ 95.061684][ T8436] free_unref_page+0x1bf/0x690 [ 95.067608][ T8436] __mmdrop+0xcb/0x3f0 [ 95.073146][ T8436] finish_task_switch.isra.0+0x7cd/0xb80 [ 95.079946][ T8436] __schedule+0xb41/0x5980 [ 95.085267][ T8436] preempt_schedule_irq+0x4e/0x90 [ 95.091548][ T8436] irqentry_exit+0x31/0x80 [ 95.097860][ T8436] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 95.105728][ T8436] lock_release+0x12/0x720 [ 95.111081][ T8436] kmem_cache_alloc+0x41/0x530 [ 95.116633][ T8436] anon_vma_fork+0xed/0x630 [ 95.122069][ T8436] dup_mm+0x9a0/0x1380 [ 95.126903][ T8436] copy_process+0x71f0/0x74d0 [ 95.132115][ T8436] kernel_clone+0xe7/0xab0 [ 95.137625][ T8436] __do_sys_clone+0xc8/0x110 [ 95.142983][ T8436] do_syscall_64+0x35/0xb0 [ 95.148214][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.155108][ T8436] [ 95.155108][ T8436] -> #0 (fs_reclaim){+.+.}-{0:0}: [ 95.163472][ T8436] __lock_acquire+0x2a07/0x54a0 [ 95.169277][ T8436] lock_acquire+0x1ab/0x510 [ 95.175324][ T8436] fs_reclaim_acquire+0x117/0x160 [ 95.181191][ T8436] prepare_alloc_pages+0x15c/0x580 [ 95.187266][ T8436] __alloc_pages+0x12f/0x500 [ 95.193248][ T8436] alloc_pages+0x18c/0x2a0 [ 95.198591][ T8436] stack_depot_save+0x39d/0x4e0 [ 95.204594][ T8436] save_stack+0x15e/0x1e0 [ 95.210297][ T8436] __set_page_owner+0x50/0x290 [ 95.217128][ T8436] __alloc_pages_bulk+0x8b9/0x1870 [ 95.222864][ T8436] __vmalloc_node_range+0x39d/0x960 [ 95.229029][ T8436] vmalloc_user+0x67/0x80 [ 95.234597][ T8436] kcov_mmap+0x2b/0x140 [ 95.240340][ T8436] mmap_region+0xcde/0x1760 [ 95.245537][ T8436] do_mmap+0x86e/0x11d0 [ 95.250501][ T8436] vm_mmap_pgoff+0x1b7/0x290 [ 95.257196][ T8436] ksys_mmap_pgoff+0x4a8/0x620 [ 95.262614][ T8436] do_syscall_64+0x35/0xb0 [ 95.267642][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.274726][ T8436] [ 95.274726][ T8436] other info that might help us debug this: [ 95.274726][ T8436] [ 95.285873][ T8436] Possible unsafe locking scenario: [ 95.285873][ T8436] [ 95.294601][ T8436] CPU0 CPU1 [ 95.300574][ T8436] ---- ---- [ 95.306511][ T8436] lock(lock#2); [ 95.310157][ T8436] lock(fs_reclaim); [ 95.318099][ T8436] lock(lock#2); [ 95.327075][ T8436] lock(fs_reclaim); [ 95.331407][ T8436] [ 95.331407][ T8436] *** DEADLOCK *** [ 95.331407][ T8436] [ 95.340622][ T8436] 2 locks held by syz-fuzzer/8436: [ 95.346877][ T8436] #0: ffff88802a51c128 (&mm->mmap_lock#2){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x290 [ 95.358340][ T8436] #1: ffff8880b9d31620 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 [ 95.369152][ T8436] [ 95.369152][ T8436] stack backtrace: [ 95.375431][ T8436] CPU: 1 PID: 8436 Comm: syz-fuzzer Not tainted 5.13.0-syzkaller #0 [ 95.384370][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.396283][ T8436] Call Trace: [ 95.399795][ T8436] dump_stack_lvl+0xcd/0x134 [ 95.405145][ T8436] check_noncircular+0x25f/0x2e0 [ 95.411549][ T8436] ? print_circular_bug+0x1e0/0x1e0 [ 95.418489][ T8436] ? create_prof_cpu_mask+0x20/0x20 [ 95.425414][ T8436] ? unwind_get_return_address+0x51/0x90 [ 95.433673][ T8436] ? lockdep_lock+0xc6/0x200 [ 95.440500][ T8436] ? call_rcu_zapped+0xb0/0xb0 [ 95.446051][ T8436] __lock_acquire+0x2a07/0x54a0 [ 95.453102][ T8436] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 95.462562][ T8436] ? register_early_stack+0xb0/0xb0 [ 95.469354][ T8436] lock_acquire+0x1ab/0x510 [ 95.474907][ T8436] ? fs_reclaim_acquire+0xf7/0x160 [ 95.483799][ T8436] ? lock_release+0x720/0x720 [ 95.490748][ T8436] ? lock_chain_count+0x20/0x20 [ 95.496411][ T8436] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 95.504045][ T8436] ? __set_page_owner+0x1f9/0x290 [ 95.509515][ T8436] ? mark_lock+0xef/0x17b0 [ 95.514559][ T8436] ? deref_stack_reg+0xee/0x150 [ 95.519939][ T8436] fs_reclaim_acquire+0x117/0x160 [ 95.526708][ T8436] ? fs_reclaim_acquire+0xf7/0x160 [ 95.532669][ T8436] prepare_alloc_pages+0x15c/0x580 [ 95.538368][ T8436] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.545808][ T8436] __alloc_pages+0x12f/0x500 [ 95.550767][ T8436] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 95.558980][ T8436] ? preempt_count_add+0x74/0x140 [ 95.564596][ T8436] ? __kernel_text_address+0x5a/0xc0 [ 95.570002][ T8436] alloc_pages+0x18c/0x2a0 [ 95.574974][ T8436] stack_depot_save+0x39d/0x4e0 [ 95.580458][ T8436] save_stack+0x15e/0x1e0 [ 95.585589][ T8436] ? register_early_stack+0xb0/0xb0 [ 95.591704][ T8436] ? __alloc_pages_bulk+0x8b9/0x1870 [ 95.598308][ T8436] ? __vmalloc_node_range+0x39d/0x960 [ 95.607693][ T8436] ? vmalloc_user+0x67/0x80 [ 95.613650][ T8436] ? kcov_mmap+0x2b/0x140 [ 95.618828][ T8436] ? mmap_region+0xcde/0x1760 [ 95.624100][ T8436] ? do_mmap+0x86e/0x11d0 [ 95.628579][ T8436] ? vm_mmap_pgoff+0x1b7/0x290 [ 95.635127][ T8436] ? ksys_mmap_pgoff+0x4a8/0x620 [ 95.640696][ T8436] ? do_syscall_64+0x35/0xb0 [ 95.646109][ T8436] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.652865][ T8436] ? lock_release+0x720/0x720 [ 95.658036][ T8436] ? preempt_count_add+0x74/0x140 [ 95.663923][ T8436] __set_page_owner+0x50/0x290 [ 95.668698][ T8436] ? post_alloc_hook+0x145/0x1e0 [ 95.673857][ T8436] __alloc_pages_bulk+0x8b9/0x1870 [ 95.679346][ T8436] ? __alloc_pages+0x500/0x500 [ 95.685011][ T8436] ? _raw_spin_unlock+0x24/0x40 [ 95.691039][ T8436] __vmalloc_node_range+0x39d/0x960 [ 95.696242][ T8436] ? vfree_atomic+0xe0/0xe0 [ 95.701184][ T8436] ? kcov_mmap+0x2b/0x140 [ 95.706378][ T8436] vmalloc_user+0x67/0x80 [ 95.710841][ T8436] ? kcov_mmap+0x2b/0x140 [ 95.716070][ T8436] kcov_mmap+0x2b/0x140 [ 95.721690][ T8436] ? memset+0x20/0x40 [ 95.726560][ T8436] mmap_region+0xcde/0x1760 [ 95.732291][ T8436] do_mmap+0x86e/0x11d0 [ 95.738135][ T8436] vm_mmap_pgoff+0x1b7/0x290 [ 95.743452][ T8436] ? randomize_stack_top+0x100/0x100 [ 95.749460][ T8436] ? __fget_files+0x288/0x3d0 [ 95.754736][ T8436] ksys_mmap_pgoff+0x4a8/0x620 [ 95.760660][ T8436] ? find_mergeable_anon_vma+0x240/0x240 [ 95.766826][ T8436] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.772849][ T8436] do_syscall_64+0x35/0xb0 [ 95.778021][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.785414][ T8436] RIP: 0033:0x4af20a [ 95.789706][ T8436] Code: e8 3b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 95.811111][ T8436] RSP: 002b:000000c0006175d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000009 [ 95.822543][ T8436] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af20a [ 95.831678][ T8436] RDX: 0000000000000003 RSI: 0000000000080000 RDI: 0000000000000000 [ 95.840586][ T8436] RBP: 000000c000617638 R08: 0000000000000006 R09: 0000000000000000 [ 95.849717][ T8436] R10: 0000000000000001 R11: 0000000000000212 R12: 00000000007798c5 [ 95.858068][ T8436] R13: 00000000000000d3 R14: 00000000000000d2 R15: 0000000000000100 [ 95.866530][ T8436] BUG: sleeping function called from invalid context at mm/page_alloc.c:5179 [ 95.876106][ T8436] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8436, name: syz-fuzzer [ 95.885601][ T8436] INFO: lockdep is turned off. [ 95.890591][ T8436] irq event stamp: 6576 [ 95.895169][ T8436] hardirqs last enabled at (6575): [] _raw_spin_unlock_irqrestore+0x50/0x70 [ 95.907207][ T8436] hardirqs last disabled at (6576): [] __alloc_pages_bulk+0x101c/0x1870 [ 95.918324][ T8436] softirqs last enabled at (5362): [] __fpu__restore_sig+0xe5e/0x14d0 [ 95.929391][ T8436] softirqs last disabled at (5360): [] __fpu__restore_sig+0x8f2/0x14d0 [ 95.939829][ T8436] CPU: 1 PID: 8436 Comm: syz-fuzzer Not tainted 5.13.0-syzkaller #0 [ 95.948429][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.959268][ T8436] Call Trace: [ 95.963603][ T8436] dump_stack_lvl+0xcd/0x134 [ 95.968775][ T8436] ___might_sleep.cold+0x1f1/0x237 [ 95.974211][ T8436] prepare_alloc_pages+0x3da/0x580 [ 95.979855][ T8436] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.986103][ T8436] __alloc_pages+0x12f/0x500 [ 95.991099][ T8436] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 95.998143][ T8436] ? preempt_count_add+0x74/0x140 [ 96.003424][ T8436] ? __kernel_text_address+0x5a/0xc0 [ 96.010031][ T8436] alloc_pages+0x18c/0x2a0 [ 96.015062][ T8436] stack_depot_save+0x39d/0x4e0 [ 96.020484][ T8436] save_stack+0x15e/0x1e0 [ 96.025336][ T8436] ? register_early_stack+0xb0/0xb0 [ 96.032064][ T8436] ? __alloc_pages_bulk+0x8b9/0x1870 [ 96.037887][ T8436] ? __vmalloc_node_range+0x39d/0x960 [ 96.043623][ T8436] ? vmalloc_user+0x67/0x80 [ 96.048569][ T8436] ? kcov_mmap+0x2b/0x140 [ 96.053669][ T8436] ? mmap_region+0xcde/0x1760 [ 96.058878][ T8436] ? do_mmap+0x86e/0x11d0 [ 96.063810][ T8436] ? vm_mmap_pgoff+0x1b7/0x290 [ 96.068788][ T8436] ? ksys_mmap_pgoff+0x4a8/0x620 [ 96.074021][ T8436] ? do_syscall_64+0x35/0xb0 [ 96.078795][ T8436] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.085331][ T8436] ? lock_release+0x720/0x720 [ 96.090199][ T8436] ? preempt_count_add+0x74/0x140 [ 96.095684][ T8436] __set_page_owner+0x50/0x290 [ 96.100704][ T8436] ? post_alloc_hook+0x145/0x1e0 [ 96.106000][ T8436] __alloc_pages_bulk+0x8b9/0x1870 [ 96.111215][ T8436] ? __alloc_pages+0x500/0x500 [ 96.116952][ T8436] ? _raw_spin_unlock+0x24/0x40 [ 96.122043][ T8436] __vmalloc_node_range+0x39d/0x960 [ 96.127979][ T8436] ? vfree_atomic+0xe0/0xe0 [ 96.134267][ T8436] ? kcov_mmap+0x2b/0x140 [ 96.139071][ T8436] vmalloc_user+0x67/0x80 [ 96.143673][ T8436] ? kcov_mmap+0x2b/0x140 [ 96.148356][ T8436] kcov_mmap+0x2b/0x140 [ 96.152844][ T8436] ? memset+0x20/0x40 [ 96.157026][ T8436] mmap_region+0xcde/0x1760 [ 96.162150][ T8436] do_mmap+0x86e/0x11d0 [ 96.166497][ T8436] vm_mmap_pgoff+0x1b7/0x290 [ 96.172593][ T8436] ? randomize_stack_top+0x100/0x100 [ 96.178560][ T8436] ? __fget_files+0x288/0x3d0 [ 96.183448][ T8436] ksys_mmap_pgoff+0x4a8/0x620 [ 96.188477][ T8436] ? find_mergeable_anon_vma+0x240/0x240 [ 96.195006][ T8436] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.201518][ T8436] do_syscall_64+0x35/0xb0 [ 96.206592][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.213327][ T8436] RIP: 0033:0x4af20a [ 96.217641][ T8436] Code: e8 3b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 96.240389][ T8436] RSP: 002b:000000c0006175d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000009 [ 96.249459][ T8436] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af20a [ 96.258137][ T8436] RDX: 0000000000000003 RSI: 0000000000080000 RDI: 0000000000000000 [ 96.267032][ T8436] RBP: 000000c000617638 R08: 0000000000000006 R09: 0000000000000000 [ 96.276199][ T8436] R10: 0000000000000001 R11: 0000000000000212 R12: 00000000007798c5 [ 96.286344][ T8436] R13: 00000000000000d3 R14: 00000000000000d2 R15: 0000000000000100 2021/06/30 20:30:24 testing simple program... [ 96.599393][ T37] audit: type=1400 audit(1625085024.591:8): avc: denied { execmem } for pid=8441 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 97.911914][ T8442] chnl_net:caif_netlink_parms(): no params data found [ 97.981287][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.990158][ T8442] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.001238][ T8442] device bridge_slave_0 entered promiscuous mode [ 98.010656][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.019340][ T8442] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.028279][ T8442] device bridge_slave_1 entered promiscuous mode [ 98.047849][ T8442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.061399][ T8442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.083346][ T8442] team0: Port device team_slave_0 added [ 98.091831][ T8442] team0: Port device team_slave_1 added [ 98.112955][ T8442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.120700][ T8442] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.148751][ T8442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.160683][ T8442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.168821][ T8442] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.195641][ T8442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.221652][ T8442] device hsr_slave_0 entered promiscuous mode [ 98.229581][ T8442] device hsr_slave_1 entered promiscuous mode [ 98.313512][ T8442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.330346][ T8442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.342718][ T8442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.353218][ T8442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.372646][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.381038][ T8442] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.388757][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.396147][ T8442] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.433163][ T8442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.446735][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.459999][ T8344] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.469809][ T8344] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.479609][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 98.495364][ T8442] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.509894][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.525211][ T8344] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.533082][ T8344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.544286][ T3861] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.554103][ T3861] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.561600][ T3861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.580102][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.595713][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.604388][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.615235][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.627610][ T8442] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.640932][ T8442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.650560][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.673161][ T8442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.681399][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.689433][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.709500][ T3861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.732596][ T8442] device veth0_vlan entered promiscuous mode [ 98.740034][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.750093][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.759002][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 98.773087][ T8442] device veth1_vlan entered promiscuous mode [ 98.792992][ T8442] device veth0_macvtap entered promiscuous mode [ 98.801964][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.812811][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 98.822731][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 98.833394][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 98.847296][ T8442] device veth1_macvtap entered promiscuous mode [ 98.864738][ T8442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.873100][ T3861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 98.888249][ T8442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.896672][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 98.905866][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 98.918265][ T8442] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.927967][ T8442] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.938046][ T8442] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.947886][ T8442] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.017146][ T158] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.035285][ T158] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.045270][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 99.061393][ T158] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.071114][ T158] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.081324][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/06/30 20:30:27 building call list... [ 99.438803][ T25] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 101.118482][ T8434] can: request_module (can-proto-0) failed. [ 101.129874][ T8434] can: request_module (can-proto-0) failed. [ 101.140931][ T8434] can: request_module (can-proto-0) failed. [ 101.181173][ T37] audit: type=1400 audit(1625085029.171:9): avc: denied { create } for pid=8430 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1