ed to keep mac addresses unique to avoid problems!
[ 298.309902][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.323121][ T4511] Failed to create system directory btrfs
[ 298.332127][ T4511] Could not create directory for event update_bytes_may_use
[ 298.360744][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.372410][ T4511] Failed to create system directory btrfs
[ 298.378328][ T4511] Could not create directory for event btrfs_tree_read_lock_atomic
[ 298.380031][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.399939][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.410876][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.421425][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.444716][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.454534][ T4511] Failed to create system directory btrfs
[ 298.455979][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.473089][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.483907][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.485848][ T4511] Could not create directory for event btrfs_try_tree_write_lock
[ 298.502050][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.512841][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.524002][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.546129][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.558602][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.570425][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.582116][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.593057][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.603269][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.614711][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.624969][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.625631][ T4511] Failed to create system directory btrfs
[ 298.646985][ T4511] Could not create directory for event btrfs_try_tree_read_lock
[ 298.659370][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.680054][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.693315][ T4511] Failed to create system directory btrfs
[ 298.699363][ T4511] Could not create directory for event btrfs_set_lock_blocking_write
[ 298.707765][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.707790][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 298.707808][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.744381][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 298.774323][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 298.787603][ T4927] syz.0.131 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 298.798260][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 298.810671][ T4927] CPU: 1 PID: 4927 Comm: syz.0.131 Not tainted syzkaller #0
[ 298.818050][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 298.818965][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 298.828153][ T4927] Call Trace:
[ 298.828165][ T4927]
[ 298.828175][ T4927] dump_stack_lvl+0x188/0x24e
[ 298.828214][ T4927] ? ___ratelimit+0x14e/0x610
[ 298.854375][ T4927] ? show_regs_print_info+0x12/0x12
[ 298.859646][ T4927] ? load_image+0x410/0x410
[ 298.864199][ T4927] ? ___ratelimit+0x474/0x610
[ 298.868929][ T4927] ? radix_tree_cpu_dead+0x160/0x160
[ 298.874274][ T4927] dump_header+0xd8/0x820
[ 298.878667][ T4927] oom_kill_process+0x361/0x550
[ 298.883616][ T4927] out_of_memory+0xe25/0x1220
[ 298.888334][ T4927] ? print_unlock_imbalance_bug+0x160/0x160
[ 298.894271][ T4927] ? mutex_lock_nested+0x10/0x10
[ 298.899356][ T4927] ? unregister_oom_notifier+0x20/0x20
[ 298.904885][ T4927] mem_cgroup_out_of_memory+0x2c0/0x390
[ 298.910478][ T4927] ? mem_cgroup_oom_trylock+0x210/0x210
[ 298.916090][ T4927] ? do_raw_spin_unlock+0x11d/0x230
[ 298.921328][ T4927] try_charge_memcg+0xc9d/0x17c0
[ 298.926322][ T4927] ? percpu_ref_put+0x180/0x180
[ 298.931218][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 298.936998][ T4927] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 298.943039][ T4927] ? percpu_ref_tryget+0x15/0x180
[ 298.948120][ T4927] ? percpu_ref_tryget+0x15/0x180
[ 298.953223][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 298.959019][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 298.964781][ T4927] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 298.970629][ T4927] obj_cgroup_charge+0x36a/0x620
[ 298.975637][ T4927] ? obj_cgroup_charge+0xe9/0x620
[ 298.980711][ T4927] ? mod_objcg_mlstate+0x320/0x320
[ 298.985864][ T4927] ? percpu_ref_put+0x12/0x100
[ 298.990667][ T4927] ? percpu_ref_put+0x12/0x100
[ 298.995556][ T4927] slab_pre_alloc_hook+0x2e2/0x300
[ 299.000697][ T4927] ? slab_pre_alloc_hook+0xb1/0x300
[ 299.005930][ T4927] kmem_cache_alloc_lru+0x49/0x2e0
[ 299.011076][ T4927] ? __d_alloc+0x2e/0x6e0
[ 299.015441][ T4927] __d_alloc+0x2e/0x6e0
[ 299.019631][ T4927] d_alloc+0x46/0x250
[ 299.023673][ T4927] lookup_one_qstr_excl+0xc6/0x240
[ 299.028818][ T4927] filename_create+0x242/0x450
[ 299.033620][ T4927] ? kern_path_create+0x50/0x50
[ 299.038510][ T4927] ? __virt_addr_valid+0x467/0x540
[ 299.043754][ T4927] do_mkdirat+0xa5/0x440
[ 299.048033][ T4927] ? vfs_mkdir+0x570/0x570
[ 299.052489][ T4927] __x64_sys_mkdirat+0x85/0x90
[ 299.057290][ T4927] do_syscall_64+0x4c/0xa0
[ 299.061762][ T4927] ? clear_bhb_loop+0x60/0xb0
[ 299.066482][ T4927] ? clear_bhb_loop+0x60/0xb0
[ 299.071222][ T4927] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.077154][ T4927] RIP: 0033:0x7f712379e0d9
[ 299.081611][ T4927] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 299.101258][ T4927] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 299.109714][ T4927] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 299.117795][ T4927] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 299.125803][ T4927] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 299.133804][ T4927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 299.141803][ T4927] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 299.149822][ T4927]
[ 299.170422][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.180611][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.191352][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.201468][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.212245][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.223144][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.233940][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.244157][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.261351][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.274628][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.285443][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.295647][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.306497][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.312327][ T4511] Failed to create system directory btrfs
[ 299.317501][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.335341][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.340355][ T4511] Could not create directory for event btrfs_set_lock_blocking_read
[ 299.346398][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.368012][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.378283][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.391420][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.402874][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.413745][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.423907][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.434695][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.444856][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.458720][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.468950][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.479798][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.490860][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.502316][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.512506][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.523236][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.533491][ T4927] memory: usage 96kB, limit 96kB, failcnt 58267
[ 299.539919][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.554299][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.589860][ T4927] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 299.597535][ T4927] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 299.601186][ T4511] Failed to create system directory btrfs
[ 299.606426][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.621567][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.631889][ T4927] Memory cgroup stats for /syz0/test:
[ 299.632071][ T4927] anon 0
[ 299.632071][ T4927] file 0
[ 299.632071][ T4927] kernel 98304
[ 299.632071][ T4927] kernel_stack 0
[ 299.632071][ T4927] pagetables 0
[ 299.632071][ T4927] sec_pagetables 0
[ 299.632071][ T4927] percpu 0
[ 299.632071][ T4927] sock 0
[ 299.632071][ T4927] vmalloc 0
[ 299.632071][ T4927] shmem 0
[ 299.632071][ T4927] zswap 0
[ 299.632071][ T4927] zswapped 0
[ 299.632071][ T4927] file_mapped 0
[ 299.632071][ T4927] file_dirty 0
[ 299.632071][ T4927] file_writeback 0
[ 299.632071][ T4927] swapcached 0
[ 299.632071][ T4927] anon_thp 0
[ 299.632071][ T4927] file_thp 0
[ 299.632071][ T4927] shmem_thp 0
[ 299.632071][ T4927] inactive_anon 0
[ 299.632071][ T4927] active_anon 0
[ 299.632071][ T4927] inactive_file 0
[ 299.632071][ T4927] active_file 0
[ 299.632071][ T4927] unevictable 0
[ 299.632071][ T4927] slab_reclaimable 94912
[ 299.632071][ T4927] slab_unreclaimable 2016
[ 299.632071][ T4927] slab 96928
[ 299.632071][ T4927] workingset_refault_anon 0
[ 299.750065][ T4511] Could not create directory for event btrfs_tree_read_unlock_blocking
[ 299.750084][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.750104][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.750121][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 299.811645][ T4511] Failed to create system directory btrfs
[ 299.817579][ T4511] Could not create directory for event btrfs_tree_read_unlock
[ 299.830116][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 299.853326][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 299.861145][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 299.872999][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 299.882171][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 299.891309][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 299.900833][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 299.910428][ T4927] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.131,pid=4927,uid=0
[ 299.930193][ T4927] Memory cgroup out of memory: Killed process 4927 (syz.0.131) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 299.954283][ T4892] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 299.972334][ T4892] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 299.985389][ T4511] Failed to create system directory btrfs
[ 299.991299][ T4892] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 300.000124][ T4511] Could not create directory for event btrfs_tree_unlock
[ 300.007766][ T4892] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 300.040160][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 300.047934][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 300.085839][ T4901] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 300.099022][ T4511] Failed to create system directory btrfs
[ 300.117080][ T4511] Could not create directory for event btrfs_tree_lock
[ 300.220919][ T4511] Failed to create system directory btrfs
[ 300.226770][ T4511] Could not create directory for event btrfs_tree_read_lock
[ 300.255146][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 300.284027][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 300.287414][ T4930] syz.0.133 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 300.294560][ T4405] Bluetooth: hci23: command 0x0409 tx timeout
[ 300.320123][ T4930] CPU: 0 PID: 4930 Comm: syz.0.133 Not tainted syzkaller #0
[ 300.327518][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 300.337645][ T4930] Call Trace:
[ 300.340988][ T4930]
[ 300.343989][ T4930] dump_stack_lvl+0x188/0x24e
[ 300.348749][ T4930] ? ___ratelimit+0x14e/0x610
[ 300.353497][ T4930] ? show_regs_print_info+0x12/0x12
[ 300.358782][ T4930] ? load_image+0x410/0x410
[ 300.363393][ T4930] ? ___ratelimit+0x474/0x610
[ 300.368144][ T4930] ? radix_tree_cpu_dead+0x160/0x160
[ 300.373513][ T4930] dump_header+0xd8/0x820
[ 300.377961][ T4930] oom_kill_process+0x361/0x550
[ 300.382876][ T4930] out_of_memory+0xe25/0x1220
[ 300.387617][ T4930] ? print_unlock_imbalance_bug+0x160/0x160
[ 300.393582][ T4930] ? mutex_lock_nested+0x10/0x10
[ 300.398579][ T4930] ? unregister_oom_notifier+0x20/0x20
[ 300.404107][ T4930] mem_cgroup_out_of_memory+0x2c0/0x390
[ 300.409747][ T4930] ? mem_cgroup_oom_trylock+0x210/0x210
[ 300.415349][ T4930] ? do_raw_spin_unlock+0x11d/0x230
[ 300.420690][ T4930] try_charge_memcg+0xc9d/0x17c0
[ 300.425794][ T4930] ? percpu_ref_put+0x180/0x180
[ 300.430721][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 300.436573][ T4930] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 300.442628][ T4930] ? percpu_ref_tryget+0x15/0x180
[ 300.447723][ T4930] ? percpu_ref_tryget+0x15/0x180
[ 300.452816][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 300.458607][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 300.464504][ T4930] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 300.470387][ T4930] obj_cgroup_charge+0x36a/0x620
[ 300.475395][ T4930] ? obj_cgroup_charge+0xe9/0x620
[ 300.480476][ T4930] ? mod_objcg_mlstate+0x320/0x320
[ 300.485661][ T4930] ? percpu_ref_put+0x12/0x100
[ 300.490526][ T4930] ? percpu_ref_put+0x12/0x100
[ 300.495358][ T4930] slab_pre_alloc_hook+0x2e2/0x300
[ 300.500521][ T4930] ? slab_pre_alloc_hook+0xb1/0x300
[ 300.505770][ T4930] kmem_cache_alloc_lru+0x49/0x2e0
[ 300.510930][ T4930] ? __d_alloc+0x2e/0x6e0
[ 300.515322][ T4930] __d_alloc+0x2e/0x6e0
[ 300.519568][ T4930] d_alloc+0x46/0x250
[ 300.523603][ T4930] lookup_one_qstr_excl+0xc6/0x240
[ 300.528770][ T4930] filename_create+0x242/0x450
[ 300.533598][ T4930] ? kern_path_create+0x50/0x50
[ 300.538499][ T4930] ? __virt_addr_valid+0x467/0x540
[ 300.543694][ T4930] do_mkdirat+0xa5/0x440
[ 300.547998][ T4930] ? vfs_mkdir+0x570/0x570
[ 300.552481][ T4930] __x64_sys_mkdirat+0x85/0x90
[ 300.557309][ T4930] do_syscall_64+0x4c/0xa0
[ 300.561796][ T4930] ? clear_bhb_loop+0x60/0xb0
[ 300.566556][ T4930] ? clear_bhb_loop+0x60/0xb0
[ 300.571380][ T4930] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 300.577317][ T4930] RIP: 0033:0x7f712379e0d9
[ 300.581775][ T4930] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 300.601533][ T4930] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 300.610026][ T4930] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 300.618054][ T4930] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 300.626116][ T4930] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 300.634144][ T4930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 300.642168][ T4930] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 300.650213][ T4930]
[ 300.666479][ T4930] memory: usage 96kB, limit 96kB, failcnt 58491
[ 300.673032][ T4930] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 300.681199][ T4930] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 300.700062][ T4930] Memory cgroup stats for /syz0/test:
[ 300.700247][ T4930] anon 0
[ 300.700247][ T4930] file 0
[ 300.700247][ T4930] kernel 98304
[ 300.700247][ T4930] kernel_stack 0
[ 300.700247][ T4930] pagetables 0
[ 300.700247][ T4930] sec_pagetables 0
[ 300.700247][ T4930] percpu 0
[ 300.700247][ T4930] sock 0
[ 300.700247][ T4930] vmalloc 0
[ 300.700247][ T4930] shmem 0
[ 300.700247][ T4930] zswap 0
[ 300.700247][ T4930] zswapped 0
[ 300.700247][ T4930] file_mapped 0
[ 300.700247][ T4930] file_dirty 0
[ 300.700247][ T4930] file_writeback 0
[ 300.700247][ T4930] swapcached 0
[ 300.700247][ T4930] anon_thp 0
[ 300.700247][ T4930] file_thp 0
[ 300.700247][ T4930] shmem_thp 0
[ 300.700247][ T4930] inactive_anon 0
[ 300.700247][ T4930] active_anon 0
[ 300.700247][ T4930] inactive_file 0
[ 300.700247][ T4930] active_file 0
[ 300.700247][ T4930] unevictable 0
[ 300.700247][ T4930] slab_reclaimable 94912
[ 300.700247][ T4930] slab_unreclaimable 2016
[ 300.700247][ T4930] slab 96928
[ 300.700247][ T4930] workingset_refault_anon 0
[ 300.816991][ T4930] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.133,pid=4930,uid=0
[ 300.833350][ T4930] Memory cgroup out of memory: Killed process 4930 (syz.0.133) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 300.869013][ T4511] Failed to create system directory btrfs
[ 300.879961][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 300.899943][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 300.936876][ T4511] Could not create directory for event btrfs_reserve_ticket
[ 300.963429][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 300.976386][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 301.002257][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 301.018908][ T4931] syz.0.134 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 301.036854][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 301.045435][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 301.054222][ T4901] device veth0_vlan entered promiscuous mode
[ 301.063240][ T4931] CPU: 1 PID: 4931 Comm: syz.0.134 Not tainted syzkaller #0
[ 301.070606][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 301.080726][ T4931] Call Trace:
[ 301.084053][ T4931]
[ 301.087029][ T4931] dump_stack_lvl+0x188/0x24e
[ 301.091781][ T4931] ? ___ratelimit+0x14e/0x610
[ 301.096519][ T4931] ? show_regs_print_info+0x12/0x12
[ 301.101789][ T4931] ? load_image+0x410/0x410
[ 301.106348][ T4931] ? ___ratelimit+0x474/0x610
[ 301.111082][ T4931] ? radix_tree_cpu_dead+0x160/0x160
[ 301.116421][ T4931] dump_header+0xd8/0x820
[ 301.120848][ T4931] oom_kill_process+0x361/0x550
[ 301.125756][ T4931] out_of_memory+0xe25/0x1220
[ 301.130487][ T4931] ? print_unlock_imbalance_bug+0x160/0x160
[ 301.136480][ T4931] ? mutex_lock_nested+0x10/0x10
[ 301.141480][ T4931] ? unregister_oom_notifier+0x20/0x20
[ 301.147018][ T4931] mem_cgroup_out_of_memory+0x2c0/0x390
[ 301.152629][ T4931] ? mem_cgroup_oom_trylock+0x210/0x210
[ 301.158236][ T4931] ? do_raw_spin_unlock+0x11d/0x230
[ 301.163484][ T4931] try_charge_memcg+0xc9d/0x17c0
[ 301.166289][ T4511] Failed to create system directory btrfs
[ 301.168504][ T4931] ? percpu_ref_put+0x180/0x180
[ 301.179109][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 301.181044][ T4901] device veth1_vlan entered promiscuous mode
[ 301.184884][ T4931] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 301.196909][ T4931] ? percpu_ref_tryget+0x15/0x180
[ 301.202007][ T4931] ? percpu_ref_tryget+0x15/0x180
[ 301.207089][ T4511] Could not create directory for event btrfs_fail_all_tickets
[ 301.207095][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 301.220341][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 301.226210][ T4931] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 301.232082][ T4931] obj_cgroup_charge+0x36a/0x620
[ 301.237092][ T4931] ? obj_cgroup_charge+0xe9/0x620
[ 301.242197][ T4931] ? mod_objcg_mlstate+0x320/0x320
[ 301.247382][ T4931] ? percpu_ref_put+0x12/0x100
[ 301.252204][ T4931] ? percpu_ref_put+0x12/0x100
[ 301.257035][ T4931] slab_pre_alloc_hook+0x2e2/0x300
[ 301.262225][ T4931] ? slab_pre_alloc_hook+0xb1/0x300
[ 301.267495][ T4931] kmem_cache_alloc_lru+0x49/0x2e0
[ 301.272662][ T4931] ? __d_alloc+0x2e/0x6e0
[ 301.277051][ T4931] __d_alloc+0x2e/0x6e0
[ 301.281262][ T4931] d_alloc+0x46/0x250
[ 301.285302][ T4931] lookup_one_qstr_excl+0xc6/0x240
[ 301.290476][ T4931] filename_create+0x242/0x450
[ 301.295308][ T4931] ? kern_path_create+0x50/0x50
[ 301.300214][ T4931] ? __virt_addr_valid+0x467/0x540
[ 301.305402][ T4931] do_mkdirat+0xa5/0x440
[ 301.309711][ T4931] ? vfs_mkdir+0x570/0x570
[ 301.314192][ T4931] __x64_sys_mkdirat+0x85/0x90
[ 301.319010][ T4931] do_syscall_64+0x4c/0xa0
[ 301.323485][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 301.328215][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 301.333007][ T4931] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.338975][ T4931] RIP: 0033:0x7f712379e0d9
[ 301.343453][ T4931] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 301.363335][ T4931] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 301.371817][ T4931] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 301.379867][ T4931] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 301.387894][ T4931] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 301.395977][ T4931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 301.404003][ T4931] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 301.412140][ T4931]
[ 301.453744][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 301.472872][ T4931] memory: usage 96kB, limit 96kB, failcnt 58611
[ 301.475196][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 301.479198][ T4931] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 301.496929][ T4931] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 301.510247][ T4931] Memory cgroup stats for /syz0/test:
[ 301.510423][ T4931] anon 0
[ 301.510423][ T4931] file 0
[ 301.510423][ T4931] kernel 98304
[ 301.510423][ T4931] kernel_stack 0
[ 301.510423][ T4931] pagetables 0
[ 301.510423][ T4931] sec_pagetables 0
[ 301.510423][ T4931] percpu 0
[ 301.510423][ T4931] sock 0
[ 301.510423][ T4931] vmalloc 0
[ 301.510423][ T4931] shmem 0
[ 301.510423][ T4931] zswap 0
[ 301.510423][ T4931] zswapped 0
[ 301.510423][ T4931] file_mapped 0
[ 301.510423][ T4931] file_dirty 0
[ 301.510423][ T4931] file_writeback 0
[ 301.510423][ T4931] swapcached 0
[ 301.510423][ T4931] anon_thp 0
[ 301.510423][ T4931] file_thp 0
[ 301.510423][ T4931] shmem_thp 0
[ 301.510423][ T4931] inactive_anon 0
[ 301.510423][ T4931] active_anon 0
[ 301.510423][ T4931] inactive_file 0
[ 301.510423][ T4931] active_file 0
[ 301.510423][ T4931] unevictable 0
[ 301.510423][ T4931] slab_reclaimable 94912
[ 301.510423][ T4931] slab_unreclaimable 2016
[ 301.510423][ T4931] slab 96928
[ 301.510423][ T4931] workingset_refault_anon 0
[ 301.616276][ T4931] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.134,pid=4931,uid=0
[ 301.634089][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 301.640337][ T4931] Memory cgroup out of memory: Killed process 4931 (syz.0.134) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 301.647101][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 301.668935][ T4511] Failed to create system directory btrfs
[ 301.675046][ T4901] device veth0_macvtap entered promiscuous mode
[ 301.675637][ T4511] Could not create directory for event btrfs_done_preemptive_reclaim
[ 301.715817][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 301.732775][ T4901] device veth1_macvtap entered promiscuous mode
[ 301.739889][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 301.760851][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 301.782067][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 301.795114][ T4511] Failed to create system directory btrfs
[ 301.812763][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 301.861057][ T4511] Could not create directory for event btrfs_convert_extent_bit
[ 301.947695][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 301.987442][ T4511] Failed to create system directory btrfs
[ 301.999926][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.010418][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.025210][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.035311][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.054977][ T4934] syz.0.135 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 302.065166][ T4511] Could not create directory for event btrfs_clear_extent_bit
[ 302.070295][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.082961][ T4934] CPU: 1 PID: 4934 Comm: syz.0.135 Not tainted syzkaller #0
[ 302.090104][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.090297][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 302.110171][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.110787][ T4934] Call Trace:
[ 302.110799][ T4934]
[ 302.126932][ T4934] dump_stack_lvl+0x188/0x24e
[ 302.131676][ T4934] ? ___ratelimit+0x14e/0x610
[ 302.136407][ T4934] ? show_regs_print_info+0x12/0x12
[ 302.141672][ T4934] ? load_image+0x410/0x410
[ 302.146231][ T4934] ? ___ratelimit+0x474/0x610
[ 302.150965][ T4934] ? radix_tree_cpu_dead+0x160/0x160
[ 302.156307][ T4934] dump_header+0xd8/0x820
[ 302.158696][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.160675][ T4934] oom_kill_process+0x361/0x550
[ 302.160706][ T4934] out_of_memory+0xe25/0x1220
[ 302.160734][ T4934] ? print_unlock_imbalance_bug+0x160/0x160
[ 302.160769][ T4934] ? mutex_lock_nested+0x10/0x10
[ 302.160796][ T4934] ? unregister_oom_notifier+0x20/0x20
[ 302.160828][ T4934] mem_cgroup_out_of_memory+0x2c0/0x390
[ 302.160861][ T4934] ? mem_cgroup_oom_trylock+0x210/0x210
[ 302.160907][ T4934] ? do_raw_spin_unlock+0x11d/0x230
[ 302.160934][ T4934] try_charge_memcg+0xc9d/0x17c0
[ 302.192005][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.197387][ T4934] ? percpu_ref_put+0x180/0x180
[ 302.232170][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.233345][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 302.249602][ T4934] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 302.255653][ T4934] ? percpu_ref_tryget+0x15/0x180
[ 302.260939][ T4934] ? percpu_ref_tryget+0x15/0x180
[ 302.265024][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.266012][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 302.281697][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 302.287492][ T4934] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 302.293381][ T4934] obj_cgroup_charge+0x36a/0x620
[ 302.298123][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.298372][ T4934] ? obj_cgroup_charge+0xe9/0x620
[ 302.313891][ T4934] ? mod_objcg_mlstate+0x320/0x320
[ 302.319080][ T4934] ? percpu_ref_put+0x12/0x100
[ 302.323916][ T4934] ? percpu_ref_put+0x12/0x100
[ 302.328792][ T4934] slab_pre_alloc_hook+0x2e2/0x300
[ 302.333971][ T4934] ? slab_pre_alloc_hook+0xb1/0x300
[ 302.339229][ T4934] kmem_cache_alloc_lru+0x49/0x2e0
[ 302.344397][ T4934] ? __d_alloc+0x2e/0x6e0
[ 302.345499][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.348764][ T4934] __d_alloc+0x2e/0x6e0
[ 302.362927][ T4934] d_alloc+0x46/0x250
[ 302.366968][ T4934] lookup_one_qstr_excl+0xc6/0x240
[ 302.370263][ T4405] Bluetooth: hci23: command 0x041b tx timeout
[ 302.372120][ T4934] filename_create+0x242/0x450
[ 302.372156][ T4934] ? kern_path_create+0x50/0x50
[ 302.383527][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.387972][ T4934] ? __virt_addr_valid+0x467/0x540
[ 302.403668][ T4934] do_mkdirat+0xa5/0x440
[ 302.408009][ T4934] ? vfs_mkdir+0x570/0x570
[ 302.412494][ T4934] __x64_sys_mkdirat+0x85/0x90
[ 302.417314][ T4934] do_syscall_64+0x4c/0xa0
[ 302.421799][ T4934] ? clear_bhb_loop+0x60/0xb0
[ 302.426552][ T4934] ? clear_bhb_loop+0x60/0xb0
[ 302.431310][ T4934] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.436809][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.437258][ T4934] RIP: 0033:0x7f712379e0d9
[ 302.451570][ T4934] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 302.471101][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.471218][ T4934] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 302.490130][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.490223][ T4934] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 302.508127][ T4934] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 302.516154][ T4934] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 302.516307][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.524155][ T4934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 302.524172][ T4934] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 302.524205][ T4934]
[ 302.569843][ T4934] memory: usage 96kB, limit 96kB, failcnt 58733
[ 302.586397][ T4934] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 302.596417][ T4511] Failed to create system directory btrfs
[ 302.602518][ T4511] Could not create directory for event btrfs_set_extent_bit
[ 302.617085][ T4934] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 302.627076][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.648856][ T4511] Failed to create system directory btrfs
[ 302.655050][ T4511] Could not create directory for event btrfs_skip_unused_block_group
[ 302.664221][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.685150][ T4934] Memory cgroup stats for /syz0/test:
[ 302.685357][ T4934] anon 0
[ 302.685357][ T4934] file 0
[ 302.685357][ T4934] kernel 98304
[ 302.685357][ T4934] kernel_stack 0
[ 302.685357][ T4934] pagetables 0
[ 302.685357][ T4934] sec_pagetables 0
[ 302.685357][ T4934] percpu 0
[ 302.685357][ T4934] sock 0
[ 302.685357][ T4934] vmalloc 0
[ 302.685357][ T4934] shmem 0
[ 302.685357][ T4934] zswap 0
[ 302.685357][ T4934] zswapped 0
[ 302.685357][ T4934] file_mapped 0
[ 302.685357][ T4934] file_dirty 0
[ 302.685357][ T4934] file_writeback 0
[ 302.685357][ T4934] swapcached 0
[ 302.685357][ T4934] anon_thp 0
[ 302.685357][ T4934] file_thp 0
[ 302.685357][ T4934] shmem_thp 0
[ 302.685357][ T4934] inactive_anon 0
[ 302.685357][ T4934] active_anon 0
[ 302.685357][ T4934] inactive_file 0
[ 302.685357][ T4934] active_file 0
[ 302.685357][ T4934] unevictable 0
[ 302.685357][ T4934] slab_reclaimable 94912
[ 302.685357][ T4934] slab_unreclaimable 2016
[ 302.685357][ T4934] slab 96928
[ 302.685357][ T4934] workingset_refault_anon 0
[ 302.713856][ T4511] Failed to create system directory btrfs
[ 302.806047][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.816337][ T4511] Could not create directory for event btrfs_reclaim_block_group
[ 302.824654][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.839186][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.854169][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.871371][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.888909][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.905344][ T4511] Failed to create system directory btrfs
[ 302.911554][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.922370][ T4511] Could not create directory for event btrfs_add_reclaim_block_group
[ 302.931187][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 302.946710][ T4934] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.135,pid=4934,uid=0
[ 302.961398][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 302.963488][ T4934] Memory cgroup out of memory: Killed process 4934 (syz.0.135) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 302.989602][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.020565][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.032934][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
2026/08/22 15:20:50 executed programs: 127
[ 303.075156][ T4511] Failed to create system directory btrfs
[ 303.080244][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.091054][ T4511] Could not create directory for event btrfs_add_unused_block_group
[ 303.100227][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.111822][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.122277][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.134569][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.160080][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.170760][ T4936] syz.0.136 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 303.170796][ T4936] CPU: 1 PID: 4936 Comm: syz.0.136 Not tainted syzkaller #0
[ 303.170818][ T4936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 303.170832][ T4936] Call Trace:
[ 303.170840][ T4936]
[ 303.170850][ T4936] dump_stack_lvl+0x188/0x24e
[ 303.170885][ T4936] ? ___ratelimit+0x14e/0x610
[ 303.170910][ T4936] ? show_regs_print_info+0x12/0x12
[ 303.170943][ T4936] ? load_image+0x410/0x410
[ 303.170967][ T4936] ? ___ratelimit+0x474/0x610
[ 303.170995][ T4936] ? radix_tree_cpu_dead+0x160/0x160
[ 303.171023][ T4936] dump_header+0xd8/0x820
[ 303.171055][ T4936] oom_kill_process+0x361/0x550
[ 303.171083][ T4936] out_of_memory+0xe25/0x1220
[ 303.171109][ T4936] ? print_unlock_imbalance_bug+0x160/0x160
[ 303.192552][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.198419][ T4936] ? mutex_lock_nested+0x10/0x10
[ 303.207793][ T4511] Failed to create system directory btrfs
[ 303.209528][ T4936] ? unregister_oom_notifier+0x20/0x20
[ 303.214675][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.219433][ T4936] mem_cgroup_out_of_memory+0x2c0/0x390
[ 303.226264][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.228618][ T4936] ? mem_cgroup_oom_trylock+0x210/0x210
[ 303.235046][ T4511] Could not create directory for event btrfs_remove_block_group
[ 303.238275][ T4936] ? do_raw_spin_unlock+0x11d/0x230
[ 303.238310][ T4936] try_charge_memcg+0xc9d/0x17c0
[ 303.265867][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 303.268629][ T4936] ? percpu_ref_put+0x180/0x180
[ 303.279930][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.280401][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 303.303828][ T4901] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 303.306228][ T4936] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 303.374046][ T4936] ? percpu_ref_tryget+0x15/0x180
[ 303.379149][ T4936] ? percpu_ref_tryget+0x15/0x180
[ 303.384227][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 303.389992][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 303.395759][ T4936] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 303.401613][ T4936] obj_cgroup_charge+0x36a/0x620
[ 303.406598][ T4936] ? obj_cgroup_charge+0xe9/0x620
[ 303.411653][ T4936] ? mod_objcg_mlstate+0x320/0x320
[ 303.416815][ T4936] ? percpu_ref_put+0x12/0x100
[ 303.421612][ T4936] ? percpu_ref_put+0x12/0x100
[ 303.426419][ T4936] slab_pre_alloc_hook+0x2e2/0x300
[ 303.431572][ T4936] ? slab_pre_alloc_hook+0xb1/0x300
[ 303.436838][ T4936] kmem_cache_alloc_lru+0x49/0x2e0
[ 303.441985][ T4936] ? __d_alloc+0x2e/0x6e0
[ 303.446351][ T4936] __d_alloc+0x2e/0x6e0
[ 303.450571][ T4936] d_alloc+0x46/0x250
[ 303.454606][ T4936] lookup_one_qstr_excl+0xc6/0x240
[ 303.459766][ T4936] filename_create+0x242/0x450
[ 303.464585][ T4936] ? kern_path_create+0x50/0x50
[ 303.469473][ T4936] ? __virt_addr_valid+0x467/0x540
[ 303.474629][ T4936] do_mkdirat+0xa5/0x440
[ 303.478910][ T4936] ? vfs_mkdir+0x570/0x570
[ 303.483372][ T4936] __x64_sys_mkdirat+0x85/0x90
[ 303.488265][ T4936] do_syscall_64+0x4c/0xa0
[ 303.492734][ T4936] ? clear_bhb_loop+0x60/0xb0
[ 303.497564][ T4936] ? clear_bhb_loop+0x60/0xb0
[ 303.502279][ T4936] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.508323][ T4936] RIP: 0033:0x7f712379e0d9
[ 303.512772][ T4936] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 303.532415][ T4936] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 303.540890][ T4936] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 303.548904][ T4936] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 303.556912][ T4936] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 303.565146][ T4936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 303.573166][ T4936] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 303.581188][ T4936]
[ 303.610216][ T4936] memory: usage 96kB, limit 96kB, failcnt 58984
[ 303.610568][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.616907][ T4936] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 303.635076][ T4936] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 303.639870][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.643018][ T4936] Memory cgroup stats for
[ 303.658326][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.673536][ T4936] /syz0/test
[ 303.673540][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.673554][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.686789][ T4936] :
[ 303.697276][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697297][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.697316][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697330][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.697345][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697371][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.697384][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697403][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.697418][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697440][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.697455][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.697467][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.791672][ T4936] anon 0
[ 303.791672][ T4936] file 0
[ 303.791672][ T4936] kernel 98304
[ 303.791672][ T4936] kernel_stack 0
[ 303.791672][ T4936] pagetables 0
[ 303.791672][ T4936] sec_pagetables 0
[ 303.791672][ T4936] percpu 0
[ 303.791672][ T4936] sock 0
[ 303.791672][ T4936] vmalloc 0
[ 303.791672][ T4936] shmem 0
[ 303.791672][ T4936] zswap 0
[ 303.791672][ T4936] zswapped 0
[ 303.791672][ T4936] file_mapped 0
[ 303.791672][ T4936] file_dirty 0
[ 303.791672][ T4936] file_writeback 0
[ 303.791672][ T4936] swapcached 0
[ 303.791672][ T4936] anon_thp 0
[ 303.791672][ T4936] file_thp 0
[ 303.791672][ T4936] shmem_thp 0
[ 303.791672][ T4936] inactive_anon 0
[ 303.791672][ T4936] active_anon 0
[ 303.791672][ T4936] inactive_file 0
[ 303.791672][ T4936] active_file 0
[ 303.791672][ T4936] unevictable 0
[ 303.791672][ T4936] slab_reclaimable 94912
[ 303.791672][ T4936] slab_unreclaimable 2016
[ 303.791672][ T4936] slab 96928
[ 303.791672][ T4936] workingset_refault_anon 0
[ 303.800921][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.872688][ T4936] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null)
[ 303.936749][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 303.955008][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 303.983344][ T4936] ,cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.136,pid=4936,uid=0
[ 303.989935][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.005740][ T4511] Failed to create system directory btrfs
[ 304.011690][ T4511] Could not create directory for event btrfs_inode_mod_outstanding_extents
[ 304.019959][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.022103][ T4936] Memory cgroup out of memory: Killed process 4936 (syz.0.136) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 304.039903][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.079790][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.091074][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.101698][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.112131][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.122752][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.133364][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.144709][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.154688][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.173936][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.184617][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.195202][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.206030][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.217632][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.227560][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.238154][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.248126][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.259502][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.275447][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.291696][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.301711][ T4901] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 304.313005][ T4901] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 304.338438][ T4511] Failed to create system directory btrfs
[ 304.344574][ T4511] Could not create directory for event btrfs_prelim_ref_insert
[ 304.353320][ T4901] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 304.388565][ T4928] chnl_net:caif_netlink_parms(): no params data found
[ 304.406764][ T4937] syz.0.137 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 304.416806][ T4937] CPU: 1 PID: 4937 Comm: syz.0.137 Not tainted syzkaller #0
[ 304.424150][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 304.434273][ T4937] Call Trace:
[ 304.437604][ T4937]
[ 304.440579][ T4937] dump_stack_lvl+0x188/0x24e
[ 304.443767][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 304.445303][ T4937] ? ___ratelimit+0x14e/0x610
[ 304.458151][ T4937] ? show_regs_print_info+0x12/0x12
[ 304.463431][ T4937] ? load_image+0x410/0x410
[ 304.467998][ T4937] ? ___ratelimit+0x474/0x610
[ 304.469546][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 304.472730][ T4937] ? radix_tree_cpu_dead+0x160/0x160
[ 304.472762][ T4937] dump_header+0xd8/0x820
[ 304.472794][ T4937] oom_kill_process+0x361/0x550
[ 304.472822][ T4937] out_of_memory+0xe25/0x1220
[ 304.472849][ T4937] ? print_unlock_imbalance_bug+0x160/0x160
[ 304.472884][ T4937] ? mutex_lock_nested+0x10/0x10
[ 304.472909][ T4937] ? unregister_oom_notifier+0x20/0x20
[ 304.472941][ T4937] mem_cgroup_out_of_memory+0x2c0/0x390
[ 304.472973][ T4937] ? mem_cgroup_oom_trylock+0x210/0x210
[ 304.473010][ T4937] ? do_raw_spin_unlock+0x11d/0x230
[ 304.473037][ T4937] try_charge_memcg+0xc9d/0x17c0
[ 304.473091][ T4937] ? percpu_ref_put+0x180/0x180
[ 304.473122][ T4937] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 304.473170][ T4937] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 304.473203][ T4937] ? percpu_ref_tryget+0x15/0x180
[ 304.473232][ T4937] ? percpu_ref_tryget+0x15/0x180
[ 304.473261][ T4937] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 304.473291][ T4937] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 304.473325][ T4937] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 304.473359][ T4937] obj_cgroup_charge+0x36a/0x620
[ 304.473391][ T4937] ? obj_cgroup_charge+0xe9/0x620
[ 304.473419][ T4937] ? mod_objcg_mlstate+0x320/0x320
[ 304.473454][ T4937] ? percpu_ref_put+0x12/0x100
[ 304.473480][ T4937] ? percpu_ref_put+0x12/0x100
[ 304.473511][ T4937] slab_pre_alloc_hook+0x2e2/0x300
[ 304.473535][ T4937] ? slab_pre_alloc_hook+0xb1/0x300
[ 304.473564][ T4937] kmem_cache_alloc_lru+0x49/0x2e0
[ 304.473587][ T4937] ? __d_alloc+0x2e/0x6e0
[ 304.473614][ T4937] __d_alloc+0x2e/0x6e0
[ 304.473640][ T4937] d_alloc+0x46/0x250
[ 304.473663][ T4937] lookup_one_qstr_excl+0xc6/0x240
[ 304.473690][ T4937] filename_create+0x242/0x450
[ 304.473723][ T4937] ? kern_path_create+0x50/0x50
[ 304.473748][ T4937] ? __virt_addr_valid+0x467/0x540
[ 304.473787][ T4937] do_mkdirat+0xa5/0x440
[ 304.473813][ T4937] ? vfs_mkdir+0x570/0x570
[ 304.473848][ T4937] __x64_sys_mkdirat+0x85/0x90
[ 304.473874][ T4937] do_syscall_64+0x4c/0xa0
[ 304.473905][ T4937] ? clear_bhb_loop+0x60/0xb0
[ 304.473934][ T4937] ? clear_bhb_loop+0x60/0xb0
[ 304.473967][ T4937] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.473997][ T4937] RIP: 0033:0x7f712379e0d9
[ 304.474019][ T4937] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 304.474038][ T4937] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 304.474064][ T4937] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 304.474081][ T4937] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 304.474098][ T4937] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 304.474113][ T4937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 304.474127][ T4937] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 304.474169][ T4937]
[ 304.500337][ T49] Bluetooth: hci23: command 0x040f tx timeout
[ 304.531335][ T4937] memory: usage 96kB, limit 96kB, failcnt 59111
[ 304.566131][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 304.621125][ T4937] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 304.652217][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 304.757504][ T4511] Failed to create system directory btrfs
[ 304.811849][ T4937] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 304.829548][ T4511] Could not create directory for event btrfs_prelim_ref_merge
[ 304.837418][ T4937] Memory cgroup stats for /syz0/test:
[ 304.837603][ T4937] anon 0
[ 304.837603][ T4937] file 0
[ 304.837603][ T4937] kernel 98304
[ 304.837603][ T4937] kernel_stack 0
[ 304.837603][ T4937] pagetables 0
[ 304.837603][ T4937] sec_pagetables 0
[ 304.837603][ T4937] percpu 0
[ 304.837603][ T4937] sock 0
[ 304.837603][ T4937] vmalloc 0
[ 304.837603][ T4937] shmem 0
[ 304.837603][ T4937] zswap 0
[ 304.837603][ T4937] zswapped 0
[ 304.837603][ T4937] file_mapped 0
[ 304.837603][ T4937] file_dirty 0
[ 304.837603][ T4937] file_writeback 0
[ 304.837603][ T4937] swapcached 0
[ 304.837603][ T4937] anon_thp 0
[ 304.837603][ T4937] file_thp 0
[ 304.837603][ T4937] shmem_thp 0
[ 304.837603][ T4937] inactive_anon 0
[ 304.837603][ T4937] active_anon 0
[ 304.837603][ T4937] inactive_file 0
[ 304.837603][ T4937] active_file 0
[ 304.837603][ T4937] unevictable 0
[ 304.837603][ T4937] slab_reclaimable 94912
[ 304.837603][ T4937] slab_unreclaimable 2016
[ 304.837603][ T4937] slab 96928
[ 304.837603][ T4937] workingset_refault_anon 0
[ 304.947535][ T4901] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 304.960345][ T4937] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.137,pid=4937,uid=0
[ 304.970267][ T4901] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 305.007577][ T4937] Memory cgroup out of memory: Killed process 4937 (syz.0.137) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 305.009910][ T4901] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 305.033405][ T4511] Failed to create system directory btrfs
[ 305.033438][ T4511] Could not create directory for event qgroup_meta_free_all_pertrans
[ 305.080035][ T4901] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 305.095511][ T4511] Failed to create system directory btrfs
[ 305.110274][ T4511] Could not create directory for event qgroup_meta_convert
[ 305.224909][ T4511] Failed to create system directory btrfs
[ 305.236791][ T4938] syz.0.138 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 305.246905][ T4511] Could not create directory for event qgroup_meta_reserve
[ 305.282173][ T4938] CPU: 1 PID: 4938 Comm: syz.0.138 Not tainted syzkaller #0
[ 305.289559][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 305.299681][ T4938] Call Trace:
[ 305.303004][ T4938]
[ 305.305984][ T4938] dump_stack_lvl+0x188/0x24e
[ 305.310727][ T4938] ? ___ratelimit+0x14e/0x610
[ 305.315469][ T4938] ? show_regs_print_info+0x12/0x12
[ 305.320733][ T4938] ? load_image+0x410/0x410
[ 305.325295][ T4938] ? ___ratelimit+0x474/0x610
[ 305.330029][ T4938] ? radix_tree_cpu_dead+0x160/0x160
[ 305.335373][ T4938] dump_header+0xd8/0x820
[ 305.339773][ T4938] oom_kill_process+0x361/0x550
[ 305.344691][ T4938] out_of_memory+0xe25/0x1220
[ 305.349435][ T4938] ? print_unlock_imbalance_bug+0x160/0x160
[ 305.355393][ T4938] ? mutex_lock_nested+0x10/0x10
[ 305.360482][ T4938] ? unregister_oom_notifier+0x20/0x20
[ 305.366004][ T4938] mem_cgroup_out_of_memory+0x2c0/0x390
[ 305.371653][ T4938] ? mem_cgroup_oom_trylock+0x210/0x210
[ 305.377273][ T4938] ? do_raw_spin_unlock+0x11d/0x230
[ 305.382532][ T4938] try_charge_memcg+0xc9d/0x17c0
[ 305.387598][ T4938] ? percpu_ref_put+0x180/0x180
[ 305.392520][ T4938] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 305.398313][ T4938] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 305.404365][ T4938] ? percpu_ref_tryget+0x15/0x180
[ 305.409482][ T4938] ? percpu_ref_tryget+0x15/0x180
[ 305.414575][ T4938] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 305.420373][ T4938] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 305.426186][ T4938] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 305.432097][ T4938] obj_cgroup_charge+0x36a/0x620
[ 305.437103][ T4938] ? obj_cgroup_charge+0xe9/0x620
[ 305.442230][ T4938] ? mod_objcg_mlstate+0x320/0x320
[ 305.447411][ T4938] ? percpu_ref_put+0x12/0x100
[ 305.452218][ T4938] ? percpu_ref_put+0x12/0x100
[ 305.457049][ T4938] slab_pre_alloc_hook+0x2e2/0x300
[ 305.462213][ T4938] ? slab_pre_alloc_hook+0xb1/0x300
[ 305.467501][ T4938] kmem_cache_alloc_lru+0x49/0x2e0
[ 305.472678][ T4938] ? __d_alloc+0x2e/0x6e0
[ 305.477065][ T4938] __d_alloc+0x2e/0x6e0
[ 305.481275][ T4938] d_alloc+0x46/0x250
[ 305.485311][ T4938] lookup_one_qstr_excl+0xc6/0x240
[ 305.490473][ T4938] filename_create+0x242/0x450
[ 305.495298][ T4938] ? kern_path_create+0x50/0x50
[ 305.500203][ T4938] ? __virt_addr_valid+0x467/0x540
[ 305.505385][ T4938] do_mkdirat+0xa5/0x440
[ 305.509688][ T4938] ? vfs_mkdir+0x570/0x570
[ 305.514174][ T4938] __x64_sys_mkdirat+0x85/0x90
[ 305.519002][ T4938] do_syscall_64+0x4c/0xa0
[ 305.523487][ T4938] ? clear_bhb_loop+0x60/0xb0
[ 305.528231][ T4938] ? clear_bhb_loop+0x60/0xb0
[ 305.532975][ T4938] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.538934][ T4938] RIP: 0033:0x7f712379e0d9
[ 305.543395][ T4938] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 305.563054][ T4938] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 305.571533][ T4938] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 305.579598][ T4938] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 305.587641][ T4938] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 305.595695][ T4938] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 305.603729][ T4938] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 305.611777][ T4938]
[ 305.639994][ T4938] memory: usage 96kB, limit 96kB, failcnt 59290
[ 305.646337][ T4938] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 305.663303][ T4511] Failed to create system directory btrfs
[ 305.669128][ T4511] Could not create directory for event qgroup_update_reserve
[ 305.676944][ T4938] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 305.686062][ T4928] bridge0: port 1(bridge_slave_0) entered blocking state
[ 305.695149][ T4938] Memory cgroup stats for /syz0/test:
[ 305.695318][ T4938] anon 0
[ 305.695318][ T4938] file 0
[ 305.695318][ T4938] kernel 98304
[ 305.695318][ T4938] kernel_stack 0
[ 305.695318][ T4938] pagetables 0
[ 305.695318][ T4938] sec_pagetables 0
[ 305.695318][ T4938] percpu 0
[ 305.695318][ T4938] sock 0
[ 305.695318][ T4938] vmalloc 0
[ 305.695318][ T4938] shmem 0
[ 305.695318][ T4938] zswap 0
[ 305.695318][ T4938] zswapped 0
[ 305.695318][ T4938] file_mapped 0
[ 305.695318][ T4938] file_dirty 0
[ 305.695318][ T4938] file_writeback 0
[ 305.695318][ T4938] swapcached 0
[ 305.695318][ T4938] anon_thp 0
[ 305.695318][ T4938] file_thp 0
[ 305.695318][ T4938] shmem_thp 0
[ 305.695318][ T4938] inactive_anon 0
[ 305.695318][ T4938] active_anon 0
[ 305.695318][ T4938] inactive_file 0
[ 305.695318][ T4938] active_file 0
[ 305.695318][ T4938] unevictable 0
[ 305.695318][ T4938] slab_reclaimable 94912
[ 305.695318][ T4938] slab_unreclaimable 2016
[ 305.695318][ T4938] slab 96928
[ 305.695318][ T4938] workingset_refault_anon 0
[ 305.807362][ T4928] bridge0: port 1(bridge_slave_0) entered disabled state
[ 305.818483][ T4928] device bridge_slave_0 entered promiscuous mode
[ 305.831369][ T4928] bridge0: port 2(bridge_slave_1) entered blocking state
[ 305.838569][ T4928] bridge0: port 2(bridge_slave_1) entered disabled state
[ 305.857685][ T4928] device bridge_slave_1 entered promiscuous mode
[ 305.879214][ T4511] Failed to create system directory btrfs
[ 305.892844][ T4511] Could not create directory for event qgroup_update_counters
[ 305.923603][ T4938] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.138,pid=4938,uid=0
[ 305.946383][ T4716] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 305.960852][ T4716] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 305.971194][ T4938] Memory cgroup out of memory: Killed process 4938 (syz.0.138) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 305.991478][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 306.009382][ T4928] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 306.072801][ T4928] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 306.089350][ T4511] Failed to create system directory btrfs
[ 306.103533][ T4351] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 306.128698][ T4351] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 306.145645][ T4511] Could not create directory for event btrfs_qgroup_account_extent
[ 306.181443][ T49] Bluetooth: hci24: unexpected cc 0x0c03 length: 249 > 1
[ 306.191138][ T49] Bluetooth: hci24: unexpected cc 0x1003 length: 249 > 9
[ 306.193827][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 306.204402][ T49] Bluetooth: hci24: unexpected cc 0x1001 length: 249 > 9
[ 306.223032][ T49] Bluetooth: hci24: unexpected cc 0x0c23 length: 249 > 4
[ 306.230891][ T49] Bluetooth: hci24: unexpected cc 0x0c25 length: 249 > 3
[ 306.239160][ T49] Bluetooth: hci24: unexpected cc 0x0c38 length: 249 > 2
[ 306.253771][ T4928] team0: Port device team_slave_0 added
[ 306.267886][ T4944] syz.0.139 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 306.310890][ T4928] team0: Port device team_slave_1 added
[ 306.327064][ T4511] Failed to create system directory btrfs
[ 306.333412][ T4511] Could not create directory for event qgroup_num_dirty_extents
[ 306.341640][ T4944] CPU: 1 PID: 4944 Comm: syz.0.139 Not tainted syzkaller #0
[ 306.348995][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 306.359115][ T4944] Call Trace:
[ 306.362444][ T4944]
[ 306.365418][ T4944] dump_stack_lvl+0x188/0x24e
[ 306.370188][ T4944] ? ___ratelimit+0x14e/0x610
[ 306.374919][ T4944] ? show_regs_print_info+0x12/0x12
[ 306.380188][ T4944] ? load_image+0x410/0x410
[ 306.384790][ T4944] ? ___ratelimit+0x474/0x610
[ 306.389525][ T4944] ? radix_tree_cpu_dead+0x160/0x160
[ 306.394879][ T4944] dump_header+0xd8/0x820
[ 306.399270][ T4944] oom_kill_process+0x361/0x550
[ 306.404177][ T4944] out_of_memory+0xe25/0x1220
[ 306.408999][ T4944] ? print_unlock_imbalance_bug+0x160/0x160
[ 306.410022][ T4511] Failed to create system directory btrfs
[ 306.414979][ T4944] ? mutex_lock_nested+0x10/0x10
[ 306.425720][ T4944] ? unregister_oom_notifier+0x20/0x20
[ 306.430260][ T4511] Could not create directory for event btrfs_qgroup_trace_extent
[ 306.431266][ T4944] mem_cgroup_out_of_memory+0x2c0/0x390
[ 306.444643][ T4944] ? mem_cgroup_oom_trylock+0x210/0x210
[ 306.450442][ T4944] ? do_raw_spin_unlock+0x11d/0x230
[ 306.455702][ T4944] try_charge_memcg+0xc9d/0x17c0
[ 306.460715][ T4944] ? percpu_ref_put+0x180/0x180
[ 306.465616][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 306.471380][ T4944] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 306.477400][ T4944] ? percpu_ref_tryget+0x15/0x180
[ 306.482462][ T4944] ? percpu_ref_tryget+0x15/0x180
[ 306.487569][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 306.493375][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 306.499142][ T4944] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 306.504995][ T4944] obj_cgroup_charge+0x36a/0x620
[ 306.509993][ T4944] ? obj_cgroup_charge+0xe9/0x620
[ 306.515062][ T4944] ? mod_objcg_mlstate+0x320/0x320
[ 306.520226][ T4944] ? percpu_ref_put+0x12/0x100
[ 306.525047][ T4944] ? percpu_ref_put+0x12/0x100
[ 306.529860][ T4944] slab_pre_alloc_hook+0x2e2/0x300
[ 306.535043][ T4944] ? slab_pre_alloc_hook+0xb1/0x300
[ 306.540379][ T4944] kmem_cache_alloc_lru+0x49/0x2e0
[ 306.545532][ T4944] ? __d_alloc+0x2e/0x6e0
[ 306.549906][ T4944] __d_alloc+0x2e/0x6e0
[ 306.554099][ T4944] d_alloc+0x46/0x250
[ 306.558110][ T4944] lookup_one_qstr_excl+0xc6/0x240
[ 306.563253][ T4944] filename_create+0x242/0x450
[ 306.568065][ T4944] ? kern_path_create+0x50/0x50
[ 306.572982][ T4944] ? __virt_addr_valid+0x467/0x540
[ 306.578218][ T4944] do_mkdirat+0xa5/0x440
[ 306.582515][ T4944] ? vfs_mkdir+0x570/0x570
[ 306.586976][ T4944] __x64_sys_mkdirat+0x85/0x90
[ 306.591783][ T4944] do_syscall_64+0x4c/0xa0
[ 306.596241][ T4944] ? clear_bhb_loop+0x60/0xb0
[ 306.600961][ T4944] ? clear_bhb_loop+0x60/0xb0
[ 306.605681][ T4944] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.611623][ T4944] RIP: 0033:0x7f712379e0d9
[ 306.616093][ T4944] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 306.635742][ T4944] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 306.644220][ T4944] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 306.652230][ T4944] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 306.660233][ T4944] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 306.668235][ T4944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 306.676244][ T4944] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 306.684310][ T4944]
[ 306.690522][ T49] Bluetooth: hci23: command 0x0419 tx timeout
[ 306.770894][ T4944] memory: usage 96kB, limit 96kB, failcnt 59498
[ 306.777244][ T4944] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 306.814583][ T4928] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 306.820353][ T4944] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 306.825013][ T4511] Failed to create system directory btrfs
[ 306.840425][ T4944] Memory cgroup stats for /syz0/test:
[ 306.840624][ T4944] anon 0
[ 306.840624][ T4944] file 0
[ 306.840624][ T4944] kernel 98304
[ 306.840624][ T4944] kernel_stack 0
[ 306.840624][ T4944] pagetables 0
[ 306.840624][ T4944] sec_pagetables 0
[ 306.840624][ T4944] percpu 0
[ 306.840624][ T4944] sock 0
[ 306.840624][ T4944] vmalloc 0
[ 306.840624][ T4944] shmem 0
[ 306.840624][ T4944] zswap 0
[ 306.840624][ T4944] zswapped 0
[ 306.840624][ T4944] file_mapped 0
[ 306.840624][ T4944] file_dirty 0
[ 306.840624][ T4944] file_writeback 0
[ 306.840624][ T4944] swapcached 0
[ 306.840624][ T4944] anon_thp 0
[ 306.840624][ T4944] file_thp 0
[ 306.840624][ T4944] shmem_thp 0
[ 306.840624][ T4944] inactive_anon 0
[ 306.840624][ T4944] active_anon 0
[ 306.840624][ T4944] inactive_file 0
[ 306.840624][ T4944] active_file 0
[ 306.840624][ T4944] unevictable 0
[ 306.840624][ T4944] slab_reclaimable 94912
[ 306.840624][ T4944] slab_unreclaimable 2016
[ 306.840624][ T4944] slab 96928
[ 306.840624][ T4944] workingset_refault_anon 0
[ 306.850581][ T4928] 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.
[ 306.967346][ T4511] Could not create directory for event btrfs_qgroup_account_extents
[ 306.969166][ T4944] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.139,pid=4944,uid=0
[ 307.036115][ T4928] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 307.048703][ T4944] Memory cgroup out of memory: Killed process 4944 (syz.0.139) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 307.075948][ T4928] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 307.098256][ T4928] 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.
[ 307.163935][ T4511] Failed to create system directory btrfs
[ 307.183911][ T4511] Could not create directory for event btrfs_qgroup_release_data
[ 307.195278][ T4928] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 307.267428][ T4511] Failed to create system directory btrfs
[ 307.282731][ T4928] device hsr_slave_0 entered promiscuous mode
[ 307.289049][ T4511] Could not create directory for event btrfs_qgroup_reserve_data
[ 307.303913][ T4928] device hsr_slave_1 entered promiscuous mode
[ 307.314513][ T4948] syz.0.141 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 307.325655][ T4928] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 307.336582][ T4928] Cannot create hsr debugfs directory
[ 307.365970][ T4511] Failed to create system directory btrfs
[ 307.370104][ T4948] CPU: 0 PID: 4948 Comm: syz.0.141 Not tainted syzkaller #0
[ 307.379095][ T4948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 307.385800][ T4511] Could not create directory for event btrfs_workqueue_destroy
[ 307.389189][ T4948] Call Trace:
[ 307.389200][ T4948]
[ 307.403110][ T4948] dump_stack_lvl+0x188/0x24e
[ 307.407849][ T4948] ? ___ratelimit+0x14e/0x610
[ 307.412586][ T4948] ? show_regs_print_info+0x12/0x12
[ 307.417843][ T4948] ? load_image+0x410/0x410
[ 307.422398][ T4948] ? ___ratelimit+0x474/0x610
[ 307.427137][ T4948] ? radix_tree_cpu_dead+0x160/0x160
[ 307.432481][ T4948] dump_header+0xd8/0x820
[ 307.436877][ T4948] oom_kill_process+0x361/0x550
[ 307.441784][ T4948] out_of_memory+0xe25/0x1220
[ 307.446515][ T4948] ? print_unlock_imbalance_bug+0x160/0x160
[ 307.452479][ T4948] ? mutex_lock_nested+0x10/0x10
[ 307.457475][ T4948] ? unregister_oom_notifier+0x20/0x20
[ 307.463004][ T4948] mem_cgroup_out_of_memory+0x2c0/0x390
[ 307.468619][ T4948] ? mem_cgroup_oom_trylock+0x210/0x210
[ 307.474239][ T4948] ? do_raw_spin_unlock+0x11d/0x230
[ 307.479531][ T4948] try_charge_memcg+0xc9d/0x17c0
[ 307.484551][ T4948] ? percpu_ref_put+0x180/0x180
[ 307.489460][ T4948] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 307.495251][ T4948] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 307.501302][ T4948] ? percpu_ref_tryget+0x15/0x180
[ 307.506390][ T4948] ? percpu_ref_tryget+0x15/0x180
[ 307.511475][ T4948] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 307.517255][ T4948] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 307.523041][ T4948] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 307.528945][ T4948] obj_cgroup_charge+0x36a/0x620
[ 307.533949][ T4948] ? obj_cgroup_charge+0xe9/0x620
[ 307.539052][ T4948] ? mod_objcg_mlstate+0x320/0x320
[ 307.544235][ T4948] ? percpu_ref_put+0x12/0x100
[ 307.549062][ T4948] ? percpu_ref_put+0x12/0x100
[ 307.553888][ T4948] slab_pre_alloc_hook+0x2e2/0x300
[ 307.559099][ T4948] ? slab_pre_alloc_hook+0xb1/0x300
[ 307.564373][ T4948] kmem_cache_alloc_lru+0x49/0x2e0
[ 307.569548][ T4948] ? __d_alloc+0x2e/0x6e0
[ 307.573960][ T4948] __d_alloc+0x2e/0x6e0
[ 307.578186][ T4948] d_alloc+0x46/0x250
[ 307.582235][ T4948] lookup_one_qstr_excl+0xc6/0x240
[ 307.587408][ T4948] filename_create+0x242/0x450
[ 307.592238][ T4948] ? kern_path_create+0x50/0x50
[ 307.597148][ T4948] ? __virt_addr_valid+0x467/0x540
[ 307.602332][ T4948] do_mkdirat+0xa5/0x440
[ 307.606669][ T4948] ? vfs_mkdir+0x570/0x570
[ 307.611158][ T4948] __x64_sys_mkdirat+0x85/0x90
[ 307.615990][ T4948] do_syscall_64+0x4c/0xa0
[ 307.620468][ T4948] ? clear_bhb_loop+0x60/0xb0
[ 307.625291][ T4948] ? clear_bhb_loop+0x60/0xb0
[ 307.630033][ T4948] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 307.635993][ T4948] RIP: 0033:0x7f712379e0d9
[ 307.640647][ T4948] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 307.660336][ T4948] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 307.668822][ T4948] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 307.676861][ T4948] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 307.684893][ T4948] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 307.692867][ T4511] Failed to create system directory btrfs
[ 307.692998][ T4948] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 307.706790][ T4948] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 307.714832][ T4948]
[ 307.753878][ T4511] Could not create directory for event btrfs_workqueue_alloc
[ 307.762352][ T4948] memory: usage 96kB, limit 96kB, failcnt 59696
[ 307.768659][ T4948] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 307.787074][ T4948] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 307.807097][ T4948] Memory cgroup stats for /syz0/test:
[ 307.807286][ T4948] anon 0
[ 307.807286][ T4948] file 0
[ 307.807286][ T4948] kernel 98304
[ 307.807286][ T4948] kernel_stack 0
[ 307.807286][ T4948] pagetables 0
[ 307.807286][ T4948] sec_pagetables 0
[ 307.807286][ T4948] percpu 0
[ 307.807286][ T4948] sock 0
[ 307.807286][ T4948] vmalloc 0
[ 307.807286][ T4948] shmem 0
[ 307.807286][ T4948] zswap 0
[ 307.807286][ T4948] zswapped 0
[ 307.807286][ T4948] file_mapped 0
[ 307.807286][ T4948] file_dirty 0
[ 307.807286][ T4948] file_writeback 0
[ 307.807286][ T4948] swapcached 0
[ 307.807286][ T4948] anon_thp 0
[ 307.807286][ T4948] file_thp 0
[ 307.807286][ T4948] shmem_thp 0
[ 307.807286][ T4948] inactive_anon 0
[ 307.807286][ T4948] active_anon 0
[ 307.807286][ T4948] inactive_file 0
[ 307.807286][ T4948] active_file 0
[ 307.807286][ T4948] unevictable 0
[ 307.807286][ T4948] slab_reclaimable 94912
[ 307.807286][ T4948] slab_unreclaimable 2016
[ 307.807286][ T4948] slab 96928
[ 307.807286][ T4948] workingset_refault_anon 0
[ 307.828589][ T4511] Failed to create system directory btrfs
[ 307.924169][ T4511] Could not create directory for event btrfs_ordered_sched
[ 307.959991][ T4511] Failed to create system directory btrfs
[ 307.965981][ T4511] Could not create directory for event btrfs_all_work_done
[ 307.997522][ T4511] Failed to create system directory btrfs
[ 308.003409][ T4511] Could not create directory for event btrfs_work_sched
[ 308.057308][ T4511] Failed to create system directory btrfs
[ 308.109915][ T4948] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.141,pid=4948,uid=0
[ 308.128709][ T4948] Memory cgroup out of memory: Killed process 4948 (syz.0.141) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
2026/08/22 15:20:55 executed programs: 133
[ 308.194553][ T4511] Could not create directory for event btrfs_work_queued
[ 308.213608][ T4928] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 308.257768][ T4945] chnl_net:caif_netlink_parms(): no params data found
[ 308.282488][ T4953] syz.0.142 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 308.294515][ T49] Bluetooth: hci24: command 0x0409 tx timeout
[ 308.329355][ T4511] Failed to create system directory btrfs
[ 308.340774][ T4953] CPU: 1 PID: 4953 Comm: syz.0.142 Not tainted syzkaller #0
[ 308.348149][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 308.358275][ T4953] Call Trace:
[ 308.361598][ T4953]
[ 308.364575][ T4953] dump_stack_lvl+0x188/0x24e
[ 308.369334][ T4953] ? ___ratelimit+0x14e/0x610
[ 308.374068][ T4953] ? show_regs_print_info+0x12/0x12
[ 308.379328][ T4953] ? load_image+0x410/0x410
[ 308.384004][ T4953] ? ___ratelimit+0x474/0x610
[ 308.388809][ T4953] ? radix_tree_cpu_dead+0x160/0x160
[ 308.394163][ T4953] dump_header+0xd8/0x820
[ 308.398550][ T4953] oom_kill_process+0x361/0x550
[ 308.403484][ T4953] out_of_memory+0xe25/0x1220
[ 308.408207][ T4953] ? print_unlock_imbalance_bug+0x160/0x160
[ 308.414178][ T4953] ? mutex_lock_nested+0x10/0x10
[ 308.419163][ T4953] ? unregister_oom_notifier+0x20/0x20
[ 308.424680][ T4953] mem_cgroup_out_of_memory+0x2c0/0x390
[ 308.430286][ T4953] ? mem_cgroup_oom_trylock+0x210/0x210
[ 308.436003][ T4953] ? do_raw_spin_unlock+0x11d/0x230
[ 308.441257][ T4953] try_charge_memcg+0xc9d/0x17c0
[ 308.446290][ T4953] ? percpu_ref_put+0x180/0x180
[ 308.451199][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 308.456993][ T4953] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 308.463075][ T4953] ? percpu_ref_tryget+0x15/0x180
[ 308.468159][ T4953] ? percpu_ref_tryget+0x15/0x180
[ 308.472359][ T4511] Could not create directory for event free_extent_state
[ 308.473242][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 308.486050][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 308.491838][ T4953] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 308.497714][ T4953] obj_cgroup_charge+0x36a/0x620
[ 308.502715][ T4953] ? obj_cgroup_charge+0xe9/0x620
[ 308.507797][ T4953] ? mod_objcg_mlstate+0x320/0x320
[ 308.512979][ T4953] ? percpu_ref_put+0x12/0x100
[ 308.517824][ T4953] ? percpu_ref_put+0x12/0x100
[ 308.522642][ T4953] slab_pre_alloc_hook+0x2e2/0x300
[ 308.527807][ T4953] ? slab_pre_alloc_hook+0xb1/0x300
[ 308.533064][ T4953] kmem_cache_alloc_lru+0x49/0x2e0
[ 308.538223][ T4953] ? __d_alloc+0x2e/0x6e0
[ 308.542612][ T4953] __d_alloc+0x2e/0x6e0
[ 308.546818][ T4953] d_alloc+0x46/0x250
[ 308.550852][ T4953] lookup_one_qstr_excl+0xc6/0x240
[ 308.556055][ T4953] filename_create+0x242/0x450
[ 308.560894][ T4953] ? kern_path_create+0x50/0x50
[ 308.565813][ T4953] ? __virt_addr_valid+0x467/0x540
[ 308.571004][ T4953] do_mkdirat+0xa5/0x440
[ 308.575313][ T4953] ? vfs_mkdir+0x570/0x570
[ 308.579787][ T4953] __x64_sys_mkdirat+0x85/0x90
[ 308.584629][ T4953] do_syscall_64+0x4c/0xa0
[ 308.589102][ T4953] ? clear_bhb_loop+0x60/0xb0
[ 308.593840][ T4953] ? clear_bhb_loop+0x60/0xb0
[ 308.598579][ T4953] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 308.604517][ T4953] RIP: 0033:0x7f712379e0d9
[ 308.608978][ T4953] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 308.628638][ T4953] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 308.637111][ T4953] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 308.645138][ T4953] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 308.653158][ T4953] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 308.661174][ T4953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 308.669195][ T4953] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 308.677272][ T4953]
[ 308.706211][ T4953] memory: usage 96kB, limit 96kB, failcnt 59946
[ 308.715216][ T4928] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 308.728851][ T4953] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 308.750486][ T4511] Failed to create system directory btrfs
[ 308.756304][ T4511] Could not create directory for event alloc_extent_state
[ 308.760061][ T4953] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 308.779353][ T4953] Memory cgroup stats for /syz0/test:
[ 308.779511][ T4953] anon 0
[ 308.779511][ T4953] file 0
[ 308.779511][ T4953] kernel 98304
[ 308.779511][ T4953] kernel_stack 0
[ 308.779511][ T4953] pagetables 0
[ 308.779511][ T4953] sec_pagetables 0
[ 308.779511][ T4953] percpu 0
[ 308.779511][ T4953] sock 0
[ 308.779511][ T4953] vmalloc 0
[ 308.779511][ T4953] shmem 0
[ 308.779511][ T4953] zswap 0
[ 308.779511][ T4953] zswapped 0
[ 308.779511][ T4953] file_mapped 0
[ 308.779511][ T4953] file_dirty 0
[ 308.779511][ T4953] file_writeback 0
[ 308.779511][ T4953] swapcached 0
[ 308.779511][ T4953] anon_thp 0
[ 308.779511][ T4953] file_thp 0
[ 308.779511][ T4953] shmem_thp 0
[ 308.779511][ T4953] inactive_anon 0
[ 308.779511][ T4953] active_anon 0
[ 308.779511][ T4953] inactive_file 0
[ 308.779511][ T4953] active_file 0
[ 308.779511][ T4953] unevictable 0
[ 308.779511][ T4953] slab_reclaimable 94912
[ 308.779511][ T4953] slab_unreclaimable 2016
[ 308.779511][ T4953] slab 96928
[ 308.779511][ T4953] workingset_refault_anon 0
[ 308.886103][ T4953] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.142,pid=4953,uid=0
[ 308.903707][ T4953] Memory cgroup out of memory: Killed process 4953 (syz.0.142) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 308.951233][ T4511] Failed to create system directory btrfs
[ 308.963670][ T4511] Could not create directory for event btrfs_setup_cluster
[ 308.973855][ T4928] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 309.036006][ T4511] Failed to create system directory btrfs
[ 309.041995][ T4511] Could not create directory for event btrfs_failed_cluster_setup
[ 309.092953][ T4511] Failed to create system directory btrfs
[ 309.101942][ T4511] Could not create directory for event btrfs_find_cluster
[ 309.128404][ T4957] syz.0.143 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 309.139280][ T4957] CPU: 0 PID: 4957 Comm: syz.0.143 Not tainted syzkaller #0
[ 309.146640][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 309.156835][ T4957] Call Trace:
[ 309.160244][ T4957]
[ 309.163215][ T4957] dump_stack_lvl+0x188/0x24e
[ 309.167964][ T4957] ? ___ratelimit+0x14e/0x610
[ 309.172694][ T4957] ? show_regs_print_info+0x12/0x12
[ 309.177968][ T4957] ? load_image+0x410/0x410
[ 309.182569][ T4957] ? ___ratelimit+0x474/0x610
[ 309.187311][ T4957] ? radix_tree_cpu_dead+0x160/0x160
[ 309.192673][ T4957] dump_header+0xd8/0x820
[ 309.197067][ T4957] oom_kill_process+0x361/0x550
[ 309.202015][ T4957] out_of_memory+0xe25/0x1220
[ 309.206771][ T4957] ? print_unlock_imbalance_bug+0x160/0x160
[ 309.212733][ T4957] ? mutex_lock_nested+0x10/0x10
[ 309.217750][ T4957] ? unregister_oom_notifier+0x20/0x20
[ 309.223272][ T4957] mem_cgroup_out_of_memory+0x2c0/0x390
[ 309.228886][ T4957] ? mem_cgroup_oom_trylock+0x210/0x210
[ 309.234510][ T4957] ? do_raw_spin_unlock+0x11d/0x230
[ 309.239775][ T4957] try_charge_memcg+0xc9d/0x17c0
[ 309.244809][ T4957] ? percpu_ref_put+0x180/0x180
[ 309.246062][ T4511] Failed to create system directory btrfs
[ 309.249699][ T4957] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 309.261219][ T4957] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 309.267263][ T4957] ? percpu_ref_tryget+0x15/0x180
[ 309.272352][ T4957] ? percpu_ref_tryget+0x15/0x180
[ 309.277521][ T4957] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 309.283330][ T4957] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 309.289118][ T4957] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 309.295006][ T4957] obj_cgroup_charge+0x36a/0x620
[ 309.300013][ T4957] ? obj_cgroup_charge+0xe9/0x620
[ 309.305092][ T4957] ? mod_objcg_mlstate+0x320/0x320
[ 309.310415][ T4957] ? percpu_ref_put+0x12/0x100
[ 309.315237][ T4957] ? percpu_ref_put+0x12/0x100
[ 309.320058][ T4957] slab_pre_alloc_hook+0x2e2/0x300
[ 309.325225][ T4957] ? slab_pre_alloc_hook+0xb1/0x300
[ 309.329951][ T4511] Could not create directory for event btrfs_reserve_extent_cluster
[ 309.330460][ T4957] kmem_cache_alloc_lru+0x49/0x2e0
[ 309.343624][ T4957] ? __d_alloc+0x2e/0x6e0
[ 309.348011][ T4957] __d_alloc+0x2e/0x6e0
[ 309.352222][ T4957] d_alloc+0x46/0x250
[ 309.356267][ T4957] lookup_one_qstr_excl+0xc6/0x240
[ 309.361435][ T4957] filename_create+0x242/0x450
[ 309.366256][ T4957] ? kern_path_create+0x50/0x50
[ 309.371155][ T4957] ? __virt_addr_valid+0x467/0x540
[ 309.376333][ T4957] do_mkdirat+0xa5/0x440
[ 309.380634][ T4957] ? vfs_mkdir+0x570/0x570
[ 309.385116][ T4957] __x64_sys_mkdirat+0x85/0x90
[ 309.389934][ T4957] do_syscall_64+0x4c/0xa0
[ 309.394464][ T4957] ? clear_bhb_loop+0x60/0xb0
[ 309.399197][ T4957] ? clear_bhb_loop+0x60/0xb0
[ 309.403945][ T4957] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 309.409903][ T4957] RIP: 0033:0x7f712379e0d9
[ 309.414381][ T4957] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 309.434041][ T4957] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 309.442513][ T4957] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 309.450549][ T4957] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 309.458667][ T4957] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 309.466690][ T4957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 309.474743][ T4957] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 309.482793][ T4957]
[ 309.513395][ T4957] memory: usage 96kB, limit 96kB, failcnt 60156
[ 309.523573][ T4928] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 309.537002][ T4511] Failed to create system directory btrfs
[ 309.540258][ T4957] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 309.550829][ T4511] Could not create directory for event btrfs_reserve_extent
[ 309.573873][ T4957] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 309.575893][ T4945] bridge0: port 1(bridge_slave_0) entered blocking state
[ 309.588453][ T4945] bridge0: port 1(bridge_slave_0) entered disabled state
[ 309.601385][ T4945] device bridge_slave_0 entered promiscuous mode
[ 309.614277][ T4945] bridge0: port 2(bridge_slave_1) entered blocking state
[ 309.621718][ T4945] bridge0: port 2(bridge_slave_1) entered disabled state
[ 309.630901][ T4945] device bridge_slave_1 entered promiscuous mode
[ 309.632292][ T4957] Memory cgroup stats for /syz0/test:
[ 309.637552][ T4957] anon 0
[ 309.637552][ T4957] file 0
[ 309.637552][ T4957] kernel 98304
[ 309.637552][ T4957] kernel_stack 0
[ 309.637552][ T4957] pagetables 0
[ 309.637552][ T4957] sec_pagetables 0
[ 309.637552][ T4957] percpu 0
[ 309.637552][ T4957] sock 0
[ 309.637552][ T4957] vmalloc 0
[ 309.637552][ T4957] shmem 0
[ 309.637552][ T4957] zswap 0
[ 309.637552][ T4957] zswapped 0
[ 309.637552][ T4957] file_mapped 0
[ 309.637552][ T4957] file_dirty 0
[ 309.637552][ T4957] file_writeback 0
[ 309.637552][ T4957] swapcached 0
[ 309.637552][ T4957] anon_thp 0
[ 309.637552][ T4957] file_thp 0
[ 309.637552][ T4957] shmem_thp 0
[ 309.637552][ T4957] inactive_anon 0
[ 309.637552][ T4957] active_anon 0
[ 309.637552][ T4957] inactive_file 0
[ 309.637552][ T4957] active_file 0
[ 309.637552][ T4957] unevictable 0
[ 309.637552][ T4957] slab_reclaimable 94912
[ 309.637552][ T4957] slab_unreclaimable 2016
[ 309.637552][ T4957] slab 96928
[ 309.637552][ T4957] workingset_refault_anon 0
[ 309.747052][ T4945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 309.765162][ T4945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 309.774899][ T4511] Failed to create system directory btrfs
[ 309.791150][ T4511] Could not create directory for event find_free_extent
[ 309.833165][ T4945] team0: Port device team_slave_0 added
[ 309.856554][ T4511] Failed to create system directory btrfs
[ 309.865016][ T4511] Could not create directory for event btrfs_reserved_extent_free
[ 309.886920][ T4945] team0: Port device team_slave_1 added
[ 309.910109][ T4957] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.143,pid=4957,uid=0
[ 309.926266][ T4957] Memory cgroup out of memory: Killed process 4957 (syz.0.143) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 309.972361][ T4511] Failed to create system directory btrfs
[ 309.978204][ T4511] Could not create directory for event btrfs_reserved_extent_alloc
[ 310.013771][ T4945] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 310.047436][ T4945] 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.
[ 310.087620][ T4511] Failed to create system directory btrfs
[ 310.101515][ T4511] Could not create directory for event btrfs_flush_space
[ 310.114385][ T4945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 310.127571][ T4945] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 310.135836][ T4945] 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.
[ 310.164285][ T4959] syz.0.144 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 310.173683][ T4945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 310.184733][ T4959] CPU: 0 PID: 4959 Comm: syz.0.144 Not tainted syzkaller #0
[ 310.184764][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 310.184778][ T4959] Call Trace:
[ 310.205578][ T4959]
[ 310.208553][ T4959] dump_stack_lvl+0x188/0x24e
[ 310.213297][ T4959] ? ___ratelimit+0x14e/0x610
[ 310.218030][ T4959] ? show_regs_print_info+0x12/0x12
[ 310.223295][ T4959] ? load_image+0x410/0x410
[ 310.227858][ T4959] ? ___ratelimit+0x474/0x610
[ 310.232598][ T4959] ? radix_tree_cpu_dead+0x160/0x160
[ 310.237950][ T4959] dump_header+0xd8/0x820
[ 310.242354][ T4959] oom_kill_process+0x361/0x550
[ 310.247292][ T4959] out_of_memory+0xe25/0x1220
[ 310.252045][ T4959] ? print_unlock_imbalance_bug+0x160/0x160
[ 310.258006][ T4959] ? mutex_lock_nested+0x10/0x10
[ 310.263097][ T4959] ? unregister_oom_notifier+0x20/0x20
[ 310.268625][ T4959] mem_cgroup_out_of_memory+0x2c0/0x390
[ 310.274273][ T4959] ? mem_cgroup_oom_trylock+0x210/0x210
[ 310.279888][ T4959] ? do_raw_spin_unlock+0x11d/0x230
[ 310.285153][ T4959] try_charge_memcg+0xc9d/0x17c0
[ 310.290196][ T4959] ? percpu_ref_put+0x180/0x180
[ 310.295116][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 310.300901][ T4959] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 310.306944][ T4959] ? percpu_ref_tryget+0x15/0x180
[ 310.312048][ T4959] ? percpu_ref_tryget+0x15/0x180
[ 310.317161][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 310.322968][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 310.328858][ T4959] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 310.334765][ T4959] obj_cgroup_charge+0x36a/0x620
[ 310.339780][ T4959] ? obj_cgroup_charge+0xe9/0x620
[ 310.344890][ T4959] ? mod_objcg_mlstate+0x320/0x320
[ 310.350106][ T4959] ? percpu_ref_put+0x12/0x100
[ 310.354937][ T4959] ? percpu_ref_put+0x12/0x100
[ 310.359779][ T4959] slab_pre_alloc_hook+0x2e2/0x300
[ 310.364951][ T4959] ? slab_pre_alloc_hook+0xb1/0x300
[ 310.370390][ T4959] kmem_cache_alloc_lru+0x49/0x2e0
[ 310.375554][ T4959] ? __d_alloc+0x2e/0x6e0
[ 310.379946][ T4959] __d_alloc+0x2e/0x6e0
[ 310.384164][ T4959] d_alloc+0x46/0x250
[ 310.388212][ T4959] lookup_one_qstr_excl+0xc6/0x240
[ 310.393525][ T4959] filename_create+0x242/0x450
[ 310.398352][ T4959] ? kern_path_create+0x50/0x50
[ 310.403291][ T4959] ? __virt_addr_valid+0x467/0x540
[ 310.408476][ T4959] do_mkdirat+0xa5/0x440
[ 310.412805][ T4959] ? vfs_mkdir+0x570/0x570
[ 310.417370][ T4959] __x64_sys_mkdirat+0x85/0x90
[ 310.422202][ T4959] do_syscall_64+0x4c/0xa0
[ 310.426685][ T4959] ? clear_bhb_loop+0x60/0xb0
[ 310.431431][ T4959] ? clear_bhb_loop+0x60/0xb0
[ 310.436178][ T4959] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 310.442124][ T4959] RIP: 0033:0x7f712379e0d9
[ 310.446587][ T4959] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 310.466254][ T4959] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 310.474730][ T4959] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 310.482771][ T4959] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 310.490813][ T4959] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 310.499005][ T4959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 310.507045][ T4959] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 310.515124][ T4959]
[ 310.526780][ T49] Bluetooth: hci24: command 0x041b tx timeout
[ 310.555061][ T4511] Failed to create system directory btrfs
[ 310.571946][ T4959] memory: usage 96kB, limit 96kB, failcnt 60380
[ 310.577376][ T4928] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 310.580697][ T4959] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 310.602260][ T4511] Could not create directory for event btrfs_trigger_flush
[ 310.628039][ T4945] device hsr_slave_0 entered promiscuous mode
[ 310.636708][ T4959] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 310.643995][ T4959] Memory cgroup stats for /syz0/test:
[ 310.644170][ T4959] anon 0
[ 310.644170][ T4959] file 0
[ 310.644170][ T4959] kernel 98304
[ 310.644170][ T4959] kernel_stack 0
[ 310.644170][ T4959] pagetables 0
[ 310.644170][ T4959] sec_pagetables 0
[ 310.644170][ T4959] percpu 0
[ 310.644170][ T4959] sock 0
[ 310.644170][ T4959] vmalloc 0
[ 310.644170][ T4959] shmem 0
[ 310.644170][ T4959] zswap 0
[ 310.644170][ T4959] zswapped 0
[ 310.644170][ T4959] file_mapped 0
[ 310.644170][ T4959] file_dirty 0
[ 310.644170][ T4959] file_writeback 0
[ 310.644170][ T4959] swapcached 0
[ 310.644170][ T4959] anon_thp 0
[ 310.644170][ T4959] file_thp 0
[ 310.644170][ T4959] shmem_thp 0
[ 310.644170][ T4959] inactive_anon 0
[ 310.644170][ T4959] active_anon 0
[ 310.644170][ T4959] inactive_file 0
[ 310.644170][ T4959] active_file 0
[ 310.644170][ T4959] unevictable 0
[ 310.644170][ T4959] slab_reclaimable 94912
[ 310.644170][ T4959] slab_unreclaimable 2016
[ 310.644170][ T4959] slab 96928
[ 310.644170][ T4959] workingset_refault_anon 0
[ 310.752189][ T4959] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.144,pid=4959,uid=0
[ 310.769415][ T4959] Memory cgroup out of memory: Killed process 4959 (syz.0.144) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 310.787222][ T4945] device hsr_slave_1 entered promiscuous mode
[ 310.799953][ T4945] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 310.807676][ T4945] Cannot create hsr debugfs directory
[ 310.848806][ T4511] Failed to create system directory btrfs
[ 310.864574][ T4928] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 310.873127][ T4511] Could not create directory for event btrfs_space_reservation
[ 310.885624][ T4928] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 310.898465][ T4928] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 310.941820][ T4961] syz.0.145 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 310.968719][ T4511] Failed to create system directory btrfs
[ 310.979942][ T4961] CPU: 1 PID: 4961 Comm: syz.0.145 Not tainted syzkaller #0
[ 310.987334][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 310.997445][ T4961] Call Trace:
[ 311.000766][ T4961]
[ 311.003738][ T4961] dump_stack_lvl+0x188/0x24e
[ 311.008476][ T4961] ? ___ratelimit+0x14e/0x610
[ 311.013207][ T4961] ? show_regs_print_info+0x12/0x12
[ 311.018471][ T4961] ? load_image+0x410/0x410
[ 311.023021][ T4961] ? ___ratelimit+0x474/0x610
[ 311.027752][ T4961] ? radix_tree_cpu_dead+0x160/0x160
[ 311.033110][ T4961] dump_header+0xd8/0x820
[ 311.037584][ T4961] oom_kill_process+0x361/0x550
[ 311.042504][ T4961] out_of_memory+0xe25/0x1220
[ 311.047250][ T4961] ? print_unlock_imbalance_bug+0x160/0x160
[ 311.053214][ T4961] ? mutex_lock_nested+0x10/0x10
[ 311.058206][ T4961] ? unregister_oom_notifier+0x20/0x20
[ 311.063744][ T4961] mem_cgroup_out_of_memory+0x2c0/0x390
[ 311.069375][ T4961] ? mem_cgroup_oom_trylock+0x210/0x210
[ 311.074993][ T4961] ? do_raw_spin_unlock+0x11d/0x230
[ 311.080261][ T4961] try_charge_memcg+0xc9d/0x17c0
[ 311.085286][ T4961] ? percpu_ref_put+0x180/0x180
[ 311.090196][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 311.095987][ T4961] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 311.102027][ T4961] ? percpu_ref_tryget+0x15/0x180
[ 311.107115][ T4961] ? percpu_ref_tryget+0x15/0x180
[ 311.112204][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 311.117985][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 311.123771][ T4961] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 311.129646][ T4961] obj_cgroup_charge+0x36a/0x620
[ 311.134687][ T4961] ? obj_cgroup_charge+0xe9/0x620
[ 311.139795][ T4961] ? mod_objcg_mlstate+0x320/0x320
[ 311.144980][ T4961] ? percpu_ref_put+0x12/0x100
[ 311.149804][ T4961] ? percpu_ref_put+0x12/0x100
[ 311.154664][ T4961] slab_pre_alloc_hook+0x2e2/0x300
[ 311.159833][ T4961] ? slab_pre_alloc_hook+0xb1/0x300
[ 311.165090][ T4961] kmem_cache_alloc_lru+0x49/0x2e0
[ 311.170269][ T4961] ? __d_alloc+0x2e/0x6e0
[ 311.174674][ T4961] __d_alloc+0x2e/0x6e0
[ 311.178893][ T4961] d_alloc+0x46/0x250
[ 311.182940][ T4961] lookup_one_qstr_excl+0xc6/0x240
[ 311.188148][ T4961] filename_create+0x242/0x450
[ 311.192983][ T4961] ? kern_path_create+0x50/0x50
[ 311.197889][ T4961] ? __virt_addr_valid+0x467/0x540
[ 311.203059][ T4961] do_mkdirat+0xa5/0x440
[ 311.207357][ T4961] ? vfs_mkdir+0x570/0x570
[ 311.211845][ T4961] __x64_sys_mkdirat+0x85/0x90
[ 311.216670][ T4961] do_syscall_64+0x4c/0xa0
[ 311.221153][ T4961] ? clear_bhb_loop+0x60/0xb0
[ 311.225886][ T4961] ? clear_bhb_loop+0x60/0xb0
[ 311.230633][ T4961] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 311.236637][ T4961] RIP: 0033:0x7f712379e0d9
[ 311.241109][ T4961] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 311.260933][ T4961] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 311.269435][ T4961] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 311.277460][ T4961] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 311.285490][ T4961] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 311.293614][ T4961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 311.301695][ T4961] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 311.309746][ T4961]
[ 311.327064][ T4511] Could not create directory for event btrfs_cow_block
[ 311.363044][ T4511] Failed to create system directory btrfs
[ 311.368875][ T4511] Could not create directory for event btrfs_chunk_free
[ 311.398684][ T4511] Failed to create system directory btrfs
[ 311.409007][ T4511] Could not create directory for event btrfs_chunk_alloc
[ 311.479421][ T4928] 8021q: adding VLAN 0 to HW filter on device bond0
[ 311.502193][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 311.512843][ T4511] Failed to create system directory btrfs
[ 311.518723][ T4511] Could not create directory for event run_delayed_ref_head
[ 311.521098][ T4961] memory: usage 96kB, limit 96kB, failcnt 60596
[ 311.535227][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 311.577502][ T4511] Failed to create system directory btrfs
[ 311.583462][ T4511] Could not create directory for event add_delayed_ref_head
[ 311.583564][ T4961] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 311.609921][ T4961] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 311.617069][ T4961] Memory cgroup stats for /syz0/test:
[ 311.617213][ T4961] anon 0
[ 311.617213][ T4961] file 0
[ 311.617213][ T4961] kernel 98304
[ 311.617213][ T4961] kernel_stack 0
[ 311.617213][ T4961] pagetables 0
[ 311.617213][ T4961] sec_pagetables 0
[ 311.617213][ T4961] percpu 0
[ 311.617213][ T4961] sock 0
[ 311.617213][ T4961] vmalloc 0
[ 311.617213][ T4961] shmem 0
[ 311.617213][ T4961] zswap 0
[ 311.617213][ T4961] zswapped 0
[ 311.617213][ T4961] file_mapped 0
[ 311.617213][ T4961] file_dirty 0
[ 311.617213][ T4961] file_writeback 0
[ 311.617213][ T4961] swapcached 0
[ 311.617213][ T4961] anon_thp 0
[ 311.617213][ T4961] file_thp 0
[ 311.617213][ T4961] shmem_thp 0
[ 311.617213][ T4961] inactive_anon 0
[ 311.617213][ T4961] active_anon 0
[ 311.617213][ T4961] inactive_file 0
[ 311.617213][ T4961] active_file 0
[ 311.617213][ T4961] unevictable 0
[ 311.617213][ T4961] slab_reclaimable 94912
[ 311.617213][ T4961] slab_unreclaimable 2016
[ 311.617213][ T4961] slab 96928
[ 311.617213][ T4961] workingset_refault_anon 0
[ 311.732995][ T4945] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 311.755617][ T4511] Failed to create system directory btrfs
[ 311.772302][ T4928] 8021q: adding VLAN 0 to HW filter on device team0
[ 311.781555][ T4961] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.145,pid=4961,uid=0
[ 311.798013][ T4961] Memory cgroup out of memory: Killed process 4961 (syz.0.145) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 311.815613][ T4511] Could not create directory for event run_delayed_data_ref
[ 311.828000][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 311.841074][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 311.885559][ T4716] bridge0: port 1(bridge_slave_0) entered blocking state
[ 311.892999][ T4716] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 311.922476][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 311.938913][ T4511] Failed to create system directory btrfs
[ 311.953429][ T4511] Could not create directory for event add_delayed_data_ref
[ 312.013436][ T4945] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 312.025319][ T4511] Failed to create system directory btrfs
[ 312.034783][ T4511] Could not create directory for event run_delayed_tree_ref
[ 312.044700][ T4962] syz.0.146 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 312.060195][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 312.069215][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 312.101036][ T4511] Failed to create system directory btrfs
[ 312.106972][ T4511] Could not create directory for event add_delayed_tree_ref
[ 312.112984][ T4716] bridge0: port 2(bridge_slave_1) entered blocking state
[ 312.121463][ T4716] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 312.163814][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 312.182224][ T4962] CPU: 1 PID: 4962 Comm: syz.0.146 Not tainted syzkaller #0
[ 312.189614][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 312.199814][ T4962] Call Trace:
[ 312.203138][ T4962]
[ 312.206157][ T4962] dump_stack_lvl+0x188/0x24e
[ 312.210921][ T4962] ? ___ratelimit+0x14e/0x610
[ 312.215652][ T4962] ? show_regs_print_info+0x12/0x12
[ 312.220919][ T4962] ? load_image+0x410/0x410
[ 312.225472][ T4962] ? ___ratelimit+0x474/0x610
[ 312.230210][ T4962] ? radix_tree_cpu_dead+0x160/0x160
[ 312.235721][ T4962] dump_header+0xd8/0x820
[ 312.240148][ T4962] oom_kill_process+0x361/0x550
[ 312.245054][ T4962] out_of_memory+0xe25/0x1220
[ 312.249787][ T4962] ? print_unlock_imbalance_bug+0x160/0x160
[ 312.255745][ T4962] ? mutex_lock_nested+0x10/0x10
[ 312.260760][ T4962] ? unregister_oom_notifier+0x20/0x20
[ 312.266288][ T4962] mem_cgroup_out_of_memory+0x2c0/0x390
[ 312.271908][ T4962] ? mem_cgroup_oom_trylock+0x210/0x210
[ 312.277524][ T4962] ? do_raw_spin_unlock+0x11d/0x230
[ 312.282837][ T4962] try_charge_memcg+0xc9d/0x17c0
[ 312.287876][ T4962] ? percpu_ref_put+0x180/0x180
[ 312.292809][ T4962] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 312.298603][ T4962] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 312.304681][ T4962] ? percpu_ref_tryget+0x15/0x180
[ 312.309816][ T4962] ? percpu_ref_tryget+0x15/0x180
[ 312.314898][ T4962] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 312.320670][ T4962] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 312.326459][ T4962] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 312.332328][ T4962] obj_cgroup_charge+0x36a/0x620
[ 312.337332][ T4962] ? obj_cgroup_charge+0xe9/0x620
[ 312.342418][ T4962] ? mod_objcg_mlstate+0x320/0x320
[ 312.347621][ T4962] ? percpu_ref_put+0x12/0x100
[ 312.352448][ T4962] ? percpu_ref_put+0x12/0x100
[ 312.357272][ T4962] slab_pre_alloc_hook+0x2e2/0x300
[ 312.362443][ T4962] ? slab_pre_alloc_hook+0xb1/0x300
[ 312.367797][ T4962] kmem_cache_alloc_lru+0x49/0x2e0
[ 312.372968][ T4962] ? __d_alloc+0x2e/0x6e0
[ 312.377394][ T4962] __d_alloc+0x2e/0x6e0
[ 312.381611][ T4962] d_alloc+0x46/0x250
[ 312.385651][ T4962] lookup_one_qstr_excl+0xc6/0x240
[ 312.390836][ T4962] filename_create+0x242/0x450
[ 312.395657][ T4962] ? kern_path_create+0x50/0x50
[ 312.400569][ T4962] ? __virt_addr_valid+0x467/0x540
[ 312.405766][ T4962] do_mkdirat+0xa5/0x440
[ 312.410072][ T4962] ? vfs_mkdir+0x570/0x570
[ 312.414566][ T4962] __x64_sys_mkdirat+0x85/0x90
[ 312.419409][ T4962] do_syscall_64+0x4c/0xa0
[ 312.423881][ T4962] ? clear_bhb_loop+0x60/0xb0
[ 312.428614][ T4962] ? clear_bhb_loop+0x60/0xb0
[ 312.432592][ T4511] Failed to create system directory btrfs
[ 312.433335][ T4962] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 312.439117][ T4511] Could not create directory for event btrfs_add_block_group
[ 312.444979][ T4962] RIP: 0033:0x7f712379e0d9
[ 312.445004][ T4962] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 312.445022][ T4962] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 312.445046][ T4962] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 312.445062][ T4962] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 312.445078][ T4962] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 312.445092][ T4962] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 312.445107][ T4962] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 312.445141][ T4962]
[ 312.510084][ T4962] memory: usage 96kB, limit 96kB, failcnt 60848
[ 312.552067][ T4962] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 312.571598][ T4962] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 312.578763][ T4962] Memory cgroup stats for /syz0/test:
[ 312.578943][ T4962] anon 0
[ 312.578943][ T4962] file 0
[ 312.578943][ T4962] kernel 98304
[ 312.578943][ T4962] kernel_stack 0
[ 312.578943][ T4962] pagetables 0
[ 312.578943][ T4962] sec_pagetables 0
[ 312.578943][ T4962] percpu 0
[ 312.578943][ T4962] sock 0
[ 312.578943][ T4962] vmalloc 0
[ 312.578943][ T4962] shmem 0
[ 312.578943][ T4962] zswap 0
[ 312.578943][ T4962] zswapped 0
[ 312.578943][ T4962] file_mapped 0
[ 312.578943][ T4962] file_dirty 0
[ 312.578943][ T4962] file_writeback 0
[ 312.578943][ T4962] swapcached 0
[ 312.578943][ T4962] anon_thp 0
[ 312.578943][ T4962] file_thp 0
[ 312.578943][ T4962] shmem_thp 0
[ 312.578943][ T4962] inactive_anon 0
[ 312.578943][ T4962] active_anon 0
[ 312.578943][ T4962] inactive_file 0
[ 312.578943][ T4962] active_file 0
[ 312.578943][ T4962] unevictable 0
[ 312.578943][ T4962] slab_reclaimable 94912
[ 312.578943][ T4962] slab_unreclaimable 2016
[ 312.578943][ T4962] slab 96928
[ 312.578943][ T4962] workingset_refault_anon 0
[ 312.611566][ T49] Bluetooth: hci24: command 0x040f tx timeout
[ 312.701640][ T4945] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 312.721868][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 312.749386][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 312.775415][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 312.796832][ T4511] Failed to create system directory btrfs
[ 312.803785][ T4511] Could not create directory for event btrfs_sync_fs
[ 312.814158][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 312.834611][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 312.852237][ T4511] Failed to create system directory btrfs
[ 312.852770][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 312.858346][ T4511] Could not create directory for event btrfs_sync_file
[ 312.899551][ T4511] Failed to create system directory btrfs
[ 312.938013][ T4511] Could not create directory for event btrfs_writepage_end_io_hook
[ 312.949458][ T4945] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 312.978072][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 312.990521][ T4962] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.146,pid=4962,uid=0
[ 313.011813][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 313.020688][ T4962] Memory cgroup out of memory: Killed process 4962 (syz.0.146) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 313.043270][ T4511] Failed to create system directory btrfs
[ 313.049208][ T4511] Could not create directory for event __extent_writepage
[ 313.062706][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 313.082468][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 313.113428][ T4928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 313.206370][ T4511] Failed to create system directory btrfs
[ 313.233376][ T4964] syz.0.147 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 313.250849][ T4511] Could not create directory for event btrfs_ordered_extent_mark_finished
[ 313.272425][ T4945] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 313.288173][ T4964] CPU: 0 PID: 4964 Comm: syz.0.147 Not tainted syzkaller #0
[ 313.295558][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 313.305663][ T4964] Call Trace:
[ 313.309091][ T4964]
[ 313.312071][ T4964] dump_stack_lvl+0x188/0x24e
[ 313.316825][ T4964] ? ___ratelimit+0x14e/0x610
[ 313.321583][ T4964] ? show_regs_print_info+0x12/0x12
[ 313.326838][ T4964] ? load_image+0x410/0x410
[ 313.331403][ T4964] ? ___ratelimit+0x474/0x610
[ 313.336143][ T4964] ? radix_tree_cpu_dead+0x160/0x160
[ 313.341493][ T4964] dump_header+0xd8/0x820
[ 313.345904][ T4964] oom_kill_process+0x361/0x550
[ 313.350807][ T4964] out_of_memory+0xe25/0x1220
[ 313.355544][ T4964] ? print_unlock_imbalance_bug+0x160/0x160
[ 313.361539][ T4964] ? mutex_lock_nested+0x10/0x10
[ 313.366550][ T4964] ? unregister_oom_notifier+0x20/0x20
[ 313.372082][ T4964] mem_cgroup_out_of_memory+0x2c0/0x390
[ 313.377695][ T4964] ? mem_cgroup_oom_trylock+0x210/0x210
[ 313.383319][ T4964] ? do_raw_spin_unlock+0x11d/0x230
[ 313.388578][ T4964] try_charge_memcg+0xc9d/0x17c0
[ 313.393615][ T4964] ? percpu_ref_put+0x180/0x180
[ 313.398529][ T4964] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 313.404340][ T4964] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 313.410382][ T4964] ? percpu_ref_tryget+0x15/0x180
[ 313.415476][ T4964] ? percpu_ref_tryget+0x15/0x180
[ 313.420555][ T4964] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 313.426328][ T4964] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 313.432115][ T4964] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 313.437995][ T4964] obj_cgroup_charge+0x36a/0x620
[ 313.443003][ T4964] ? obj_cgroup_charge+0xe9/0x620
[ 313.448105][ T4964] ? mod_objcg_mlstate+0x320/0x320
[ 313.453628][ T4964] ? percpu_ref_put+0x12/0x100
[ 313.458449][ T4964] ? percpu_ref_put+0x12/0x100
[ 313.463267][ T4964] slab_pre_alloc_hook+0x2e2/0x300
[ 313.468428][ T4964] ? slab_pre_alloc_hook+0xb1/0x300
[ 313.473690][ T4964] kmem_cache_alloc_lru+0x49/0x2e0
[ 313.478853][ T4964] ? __d_alloc+0x2e/0x6e0
[ 313.483235][ T4964] __d_alloc+0x2e/0x6e0
[ 313.487535][ T4964] d_alloc+0x46/0x250
[ 313.491567][ T4964] lookup_one_qstr_excl+0xc6/0x240
[ 313.496739][ T4964] filename_create+0x242/0x450
[ 313.501562][ T4964] ? kern_path_create+0x50/0x50
[ 313.506472][ T4964] ? __virt_addr_valid+0x467/0x540
[ 313.511650][ T4964] do_mkdirat+0xa5/0x440
[ 313.515953][ T4964] ? vfs_mkdir+0x570/0x570
[ 313.520425][ T4964] __x64_sys_mkdirat+0x85/0x90
[ 313.525239][ T4964] do_syscall_64+0x4c/0xa0
[ 313.529710][ T4964] ? clear_bhb_loop+0x60/0xb0
[ 313.534447][ T4964] ? clear_bhb_loop+0x60/0xb0
[ 313.539190][ T4964] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 313.545140][ T4964] RIP: 0033:0x7f712379e0d9
[ 313.549602][ T4964] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 313.569294][ T4964] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 313.577778][ T4964] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 313.585809][ T4964] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 313.593838][ T4964] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 313.601861][ T4964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 313.609889][ T4964] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 313.617926][ T4964]
[ 313.634958][ T4964] memory: usage 96kB, limit 96kB, failcnt 61088
[ 313.645466][ T4945] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 313.653474][ T4964] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 313.665522][ T4945] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 313.672958][ T4964] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 313.683885][ T4945] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 313.696874][ T4964] Memory cgroup stats for /syz0/test:
[ 313.697044][ T4964] anon 0
[ 313.697044][ T4964] file 0
[ 313.697044][ T4964] kernel 98304
[ 313.697044][ T4964] kernel_stack 0
[ 313.697044][ T4964] pagetables 0
[ 313.697044][ T4964] sec_pagetables 0
[ 313.697044][ T4964] percpu 0
[ 313.697044][ T4964] sock 0
[ 313.697044][ T4964] vmalloc 0
[ 313.697044][ T4964] shmem 0
[ 313.697044][ T4964] zswap 0
[ 313.697044][ T4964] zswapped 0
[ 313.697044][ T4964] file_mapped 0
[ 313.697044][ T4964] file_dirty 0
[ 313.697044][ T4964] file_writeback 0
[ 313.697044][ T4964] swapcached 0
[ 313.697044][ T4964] anon_thp 0
[ 313.697044][ T4964] file_thp 0
[ 313.697044][ T4964] shmem_thp 0
[ 313.697044][ T4964] inactive_anon 0
[ 313.697044][ T4964] active_anon 0
[ 313.697044][ T4964] inactive_file 0
[ 313.697044][ T4964] active_file 0
[ 313.697044][ T4964] unevictable 0
[ 313.697044][ T4964] slab_reclaimable 94912
[ 313.697044][ T4964] slab_unreclaimable 2016
[ 313.697044][ T4964] slab 96928
[ 313.697044][ T4964] workingset_refault_anon 0
[ 313.861849][ T4511] Failed to create system directory btrfs
[ 313.867683][ T4511] Could not create directory for event btrfs_ordered_extent_dec_test_pending
[ 313.960267][ T4964] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.147,pid=4964,uid=0
[ 314.011012][ T4945] 8021q: adding VLAN 0 to HW filter on device bond0
[ 314.014167][ T4511] Failed to create system directory btrfs
[ 314.040297][ T4511] Could not create directory for event btrfs_ordered_extent_split
[ 314.053376][ T4964] Memory cgroup out of memory: Killed process 4964 (syz.0.147) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 314.072666][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 314.082319][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 314.102310][ T4945] 8021q: adding VLAN 0 to HW filter on device team0
[ 314.124862][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 314.141712][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 314.161442][ T11] bridge0: port 1(bridge_slave_0) entered blocking state
[ 314.168682][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 314.195989][ T4511] Failed to create system directory btrfs
[ 314.204130][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 314.206404][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 314.240969][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 314.258556][ T11] bridge0: port 2(bridge_slave_1) entered blocking state
[ 314.265810][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state
2026/08/22 15:21:01 executed programs: 139
[ 314.297642][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 314.314371][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 314.320620][ T4511] Could not create directory for event btrfs_ordered_extent_lookup_first
[ 314.325649][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 314.338206][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 314.362891][ T4928] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 314.382664][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 314.396468][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 314.417414][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 314.429103][ T4969] syz.0.148 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 314.440624][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 314.449691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 314.459195][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 314.475366][ T4945] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 314.488095][ T4969] CPU: 0 PID: 4969 Comm: syz.0.148 Not tainted syzkaller #0
[ 314.495468][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 314.505613][ T4969] Call Trace:
[ 314.508936][ T4969]
[ 314.511908][ T4969] dump_stack_lvl+0x188/0x24e
[ 314.516652][ T4969] ? ___ratelimit+0x14e/0x610
[ 314.521388][ T4969] ? show_regs_print_info+0x12/0x12
[ 314.526740][ T4969] ? load_image+0x410/0x410
[ 314.531296][ T4969] ? ___ratelimit+0x474/0x610
[ 314.536032][ T4969] ? radix_tree_cpu_dead+0x160/0x160
[ 314.541373][ T4969] dump_header+0xd8/0x820
[ 314.545763][ T4969] oom_kill_process+0x361/0x550
[ 314.550655][ T4969] out_of_memory+0xe25/0x1220
[ 314.555416][ T4969] ? print_unlock_imbalance_bug+0x160/0x160
[ 314.561357][ T4969] ? mutex_lock_nested+0x10/0x10
[ 314.566347][ T4969] ? unregister_oom_notifier+0x20/0x20
[ 314.571851][ T4969] mem_cgroup_out_of_memory+0x2c0/0x390
[ 314.577466][ T4969] ? mem_cgroup_oom_trylock+0x210/0x210
[ 314.583083][ T4969] ? do_raw_spin_unlock+0x11d/0x230
[ 314.588328][ T4969] try_charge_memcg+0xc9d/0x17c0
[ 314.593333][ T4969] ? percpu_ref_put+0x180/0x180
[ 314.598254][ T4969] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 314.604045][ T4969] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 314.610104][ T4969] ? percpu_ref_tryget+0x15/0x180
[ 314.615216][ T4969] ? percpu_ref_tryget+0x15/0x180
[ 314.620379][ T4969] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 314.626149][ T4969] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 314.631913][ T4969] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 314.637790][ T4969] obj_cgroup_charge+0x36a/0x620
[ 314.642790][ T4969] ? obj_cgroup_charge+0xe9/0x620
[ 314.647859][ T4969] ? mod_objcg_mlstate+0x320/0x320
[ 314.653013][ T4969] ? percpu_ref_put+0x12/0x100
[ 314.657822][ T4969] ? percpu_ref_put+0x12/0x100
[ 314.662628][ T4969] slab_pre_alloc_hook+0x2e2/0x300
[ 314.667778][ T4969] ? slab_pre_alloc_hook+0xb1/0x300
[ 314.673017][ T4969] kmem_cache_alloc_lru+0x49/0x2e0
[ 314.678169][ T4969] ? __d_alloc+0x2e/0x6e0
[ 314.682537][ T4969] __d_alloc+0x2e/0x6e0
[ 314.686749][ T4969] d_alloc+0x46/0x250
[ 314.690787][ T4969] lookup_one_qstr_excl+0xc6/0x240
[ 314.696008][ T4969] filename_create+0x242/0x450
[ 314.700827][ T4969] ? kern_path_create+0x50/0x50
[ 314.705734][ T4969] ? __virt_addr_valid+0x467/0x540
[ 314.710889][ T4969] do_mkdirat+0xa5/0x440
[ 314.715176][ T4969] ? vfs_mkdir+0x570/0x570
[ 314.719751][ T4969] __x64_sys_mkdirat+0x85/0x90
[ 314.724558][ T4969] do_syscall_64+0x4c/0xa0
[ 314.729020][ T4969] ? clear_bhb_loop+0x60/0xb0
[ 314.733733][ T4969] ? clear_bhb_loop+0x60/0xb0
[ 314.738477][ T4969] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 314.744426][ T4969] RIP: 0033:0x7f712379e0d9
[ 314.748903][ T4969] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 314.768549][ T4969] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 314.777006][ T4969] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 314.785016][ T4969] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 314.793040][ T4969] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 314.801042][ T4969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 314.809047][ T4969] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 314.817073][ T4969]
[ 314.838822][ T49] Bluetooth: hci24: command 0x0419 tx timeout
[ 314.857332][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 314.878058][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 314.891446][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 314.907887][ T4511] Failed to create system directory btrfs
[ 314.913962][ T4511] Could not create directory for event btrfs_ordered_extent_lookup_for_logging
[ 314.951394][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 314.953824][ T4511] Failed to create system directory btrfs
[ 314.965214][ T4511] Could not create directory for event btrfs_ordered_extent_lookup_first_range
[ 314.974524][ T4969] memory: usage 96kB, limit 96kB, failcnt 61280
[ 314.991798][ T4969] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 315.032538][ T4969] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 315.039574][ T4969] Memory cgroup stats for /syz0/test:
[ 315.062517][ T4511] Failed to create system directory btrfs
[ 315.090465][ T4969] anon 0
[ 315.090465][ T4969] file 0
[ 315.090465][ T4969] kernel 98304
[ 315.090465][ T4969] kernel_stack 0
[ 315.090465][ T4969] pagetables 0
[ 315.090465][ T4969] sec_pagetables 0
[ 315.090465][ T4969] percpu 0
[ 315.090465][ T4969] sock 0
[ 315.090465][ T4969] vmalloc 0
[ 315.090465][ T4969] shmem 0
[ 315.090465][ T4969] zswap 0
[ 315.090465][ T4969] zswapped 0
[ 315.090465][ T4969] file_mapped 0
[ 315.090465][ T4969] file_dirty 0
[ 315.090465][ T4969] file_writeback 0
[ 315.090465][ T4969] swapcached 0
[ 315.090465][ T4969] anon_thp 0
[ 315.090465][ T4969] file_thp 0
[ 315.090465][ T4969] shmem_thp 0
[ 315.090465][ T4969] inactive_anon 0
[ 315.090465][ T4969] active_anon 0
[ 315.090465][ T4969] inactive_file 0
[ 315.090465][ T4969] active_file 0
[ 315.090465][ T4969] unevictable 0
[ 315.090465][ T4969] slab_reclaimable 94912
[ 315.090465][ T4969] slab_unreclaimable 2016
[ 315.090465][ T4969] slab 96928
[ 315.090465][ T4969] workingset_refault_anon 0
[ 315.202073][ T4969] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.148,pid=4969,uid=0
[ 315.250087][ T4969] Memory cgroup out of memory: Killed process 4969 (syz.0.148) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 315.331945][ T28] INFO: task syz.2.19:4512 blocked for more than 143 seconds.
[ 315.350111][ T28] Not tainted syzkaller #0
[ 315.359807][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 315.368733][ T28] task:syz.2.19 state:D stack:25952 pid:4512 ppid:4403 flags:0x00004004
[ 315.403314][ T28] Call Trace:
[ 315.410947][ T4511] Could not create directory for event btrfs_ordered_extent_lookup_range
[ 315.412435][ T28]
[ 315.450154][ T28] __schedule+0x107f/0x4030
[ 315.454800][ T28] ? __sched_text_start+0x8/0x8
[ 315.470171][ T28] ? __mutex_trylock_common+0x86/0x260
[ 315.475751][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 315.493143][ T28] schedule+0xb9/0x180
[ 315.497336][ T28] schedule_preempt_disabled+0xf/0x20
[ 315.519881][ T28] __mutex_lock+0x548/0xae0
[ 315.524538][ T28] ? __mutex_lock+0x3ba/0xae0
[ 315.529283][ T28] ? subsystem_open+0x44/0x380
[ 315.559956][ T28] ? mutex_lock_nested+0x10/0x10
[ 315.570506][ T28] ? apparmor_file_open+0x3c7/0x780
[ 315.575815][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 315.590521][ T28] ? __rwlock_init+0x140/0x140
[ 315.595420][ T28] ? do_raw_spin_lock+0x128/0x2f0
[ 315.622817][ T4511] Failed to create system directory btrfs
[ 315.624343][ T28] subsystem_open+0x44/0x380
[ 315.649926][ T4511] Could not create directory for event btrfs_ordered_extent_lookup
[ 315.652456][ T28] ? fsnotify_perm+0x248/0x550
[ 315.670197][ T28] ? subsystem_filter_write+0xf0/0xf0
[ 315.675676][ T28] do_dentry_open+0x7dd/0x10b0
[ 315.700702][ T28] path_openat+0x2674/0x2f10
[ 315.705422][ T28] ? verify_lock_unused+0x140/0x140
[ 315.712269][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 315.722290][ T4483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 315.730363][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 315.738589][ T28] ? do_filp_open+0x420/0x420
[ 315.757963][ T28] do_filp_open+0x1ee/0x420
[ 315.762670][ T4945] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 315.770908][ T28] ? vfs_tmpfile+0x470/0x470
[ 315.775623][ T28] ? _raw_spin_unlock+0x24/0x40
[ 315.785833][ T4511] Failed to create system directory btrfs
[ 315.792195][ T4511] Could not create directory for event btrfs_ordered_extent_put
[ 315.810499][ T28] ? alloc_fd+0x590/0x640
[ 315.814971][ T28] do_sys_openat2+0x14b/0x4f0
[ 315.820510][ T28] ? do_sys_open+0xe0/0xe0
[ 315.825019][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 315.851401][ T28] ? lock_chain_count+0x20/0x20
[ 315.856378][ T28] __x64_sys_openat+0x135/0x160
[ 315.869908][ T28] do_syscall_64+0x4c/0xa0
[ 315.874448][ T28] ? clear_bhb_loop+0x60/0xb0
[ 315.879192][ T28] ? clear_bhb_loop+0x60/0xb0
[ 315.907583][ T4511] Failed to create system directory btrfs
[ 315.924332][ T4511] Could not create directory for event btrfs_ordered_extent_start
[ 315.931163][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 315.946343][ T28] RIP: 0033:0x7f4512d9e0d9
[ 315.951816][ T28] RSP: 002b:00007ffd6146d9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 315.974587][ T28] RAX: ffffffffffffffda RBX: 00007f4513025fa0 RCX: 00007f4512d9e0d9
[ 315.989864][ T28] RDX: 0000000000000001 RSI: 0000200000000100 RDI: ffffffffffffff9c
[ 315.997959][ T28] RBP: 00007f4512e35024 R08: 0000000000000000 R09: 0000000000000000
[ 316.028396][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 316.038298][ T4511] Failed to create system directory btrfs
[ 316.069996][ T4511] Could not create directory for event btrfs_ordered_extent_remove
[ 316.073455][ T28] R13: 00007f4513025fac R14: 00007f4513025fa0 R15: 00007f4513025fa0
[ 316.110054][ T28]
[ 316.120614][ T28] INFO: task syz.4.21:4513 blocked for more than 144 seconds.
[ 316.128162][ T28] Not tainted syzkaller #0
[ 316.165285][ T4976] syz.0.149 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 316.170246][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 316.199901][ T28] task:syz.4.21 state:D stack:26688 pid:4513 ppid:4412 flags:0x00004004
[ 316.203529][ T4511] Failed to create system directory btrfs
[ 316.209199][ T28] Call Trace:
[ 316.209209][ T28]
[ 316.229527][ T28] __schedule+0x107f/0x4030
[ 316.234455][ T28] ? __sched_text_start+0x8/0x8
[ 316.239385][ T28] ? __mutex_trylock_common+0x86/0x260
[ 316.245388][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 316.257216][ T28] schedule+0xb9/0x180
[ 316.261691][ T28] schedule_preempt_disabled+0xf/0x20
[ 316.261884][ T4511] Could not create directory for event btrfs_ordered_extent_add
[ 316.267116][ T28] __mutex_lock+0x548/0xae0
[ 316.283049][ T28] ? __mutex_lock+0x3ba/0xae0
[ 316.287863][ T28] ? subsystem_open+0x44/0x380
[ 316.301601][ T28] ? mutex_lock_nested+0x10/0x10
[ 316.301751][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 316.315571][ T28] ? apparmor_file_open+0x3c7/0x780
[ 316.321219][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 316.326659][ T28] ? __rwlock_init+0x140/0x140
[ 316.332895][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 316.341247][ T28] subsystem_open+0x44/0x380
[ 316.345917][ T28] ? fsnotify_perm+0x248/0x550
[ 316.356940][ T28] ? subsystem_filter_write+0xf0/0xf0
[ 316.371402][ T28] do_dentry_open+0x7dd/0x10b0
[ 316.376298][ T28] path_openat+0x2674/0x2f10
[ 316.391803][ T4976] CPU: 1 PID: 4976 Comm: syz.0.149 Not tainted syzkaller #0
[ 316.392352][ T28] ? verify_lock_unused+0x140/0x140
[ 316.399160][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 316.414502][ T4976] Call Trace:
[ 316.417826][ T4976]
[ 316.420804][ T4976] dump_stack_lvl+0x188/0x24e
[ 316.425634][ T4976] ? ___ratelimit+0x14e/0x610
[ 316.430299][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 316.430381][ T28] ? do_filp_open+0x420/0x420
[ 316.435153][ T4976] ? show_regs_print_info+0x12/0x12
[ 316.445092][ T4976] ? load_image+0x410/0x410
[ 316.449654][ T4976] ? ___ratelimit+0x474/0x610
[ 316.454398][ T4976] ? radix_tree_cpu_dead+0x160/0x160
[ 316.459751][ T4976] dump_header+0xd8/0x820
[ 316.464167][ T4976] oom_kill_process+0x361/0x550
[ 316.466160][ T28] do_filp_open+0x1ee/0x420
[ 316.469114][ T4976] out_of_memory+0xe25/0x1220
[ 316.474629][ T28] ? vfs_tmpfile+0x470/0x470
[ 316.478318][ T4976] ? print_unlock_imbalance_bug+0x160/0x160
[ 316.488882][ T4976] ? mutex_lock_nested+0x10/0x10
[ 316.493881][ T4976] ? unregister_oom_notifier+0x20/0x20
[ 316.499444][ T4976] mem_cgroup_out_of_memory+0x2c0/0x390
[ 316.504606][ T28] ? _raw_spin_unlock+0x24/0x40
[ 316.505036][ T4976] ? mem_cgroup_oom_trylock+0x210/0x210
[ 316.512277][ T28] ? alloc_fd+0x590/0x640
[ 316.515489][ T4976] ? do_raw_spin_unlock+0x11d/0x230
[ 316.525110][ T4976] try_charge_memcg+0xc9d/0x17c0
[ 316.530137][ T4976] ? percpu_ref_put+0x180/0x180
[ 316.534795][ T28] do_sys_openat2+0x14b/0x4f0
[ 316.535027][ T4976] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 316.545506][ T4976] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 316.550282][ T28] ? do_sys_open+0xe0/0xe0
[ 316.551532][ T4976] ? percpu_ref_tryget+0x15/0x180
[ 316.561044][ T4976] ? percpu_ref_tryget+0x15/0x180
[ 316.566143][ T4976] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 316.571930][ T4976] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 316.577730][ T4976] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 316.580400][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 316.583586][ T4976] obj_cgroup_charge+0x36a/0x620
[ 316.589584][ T28] ? lock_chain_count+0x20/0x20
[ 316.594530][ T4976] ? obj_cgroup_charge+0xe9/0x620
[ 316.594562][ T4976] ? mod_objcg_mlstate+0x320/0x320
[ 316.594595][ T4976] ? percpu_ref_put+0x12/0x100
[ 316.594621][ T4976] ? percpu_ref_put+0x12/0x100
[ 316.619302][ T4976] slab_pre_alloc_hook+0x2e2/0x300
[ 316.624478][ T4976] ? slab_pre_alloc_hook+0xb1/0x300
[ 316.624996][ T28] __x64_sys_openat+0x135/0x160
[ 316.629725][ T4976] kmem_cache_alloc_lru+0x49/0x2e0
[ 316.629752][ T4976] ? __d_alloc+0x2e/0x6e0
[ 316.629778][ T4976] __d_alloc+0x2e/0x6e0
[ 316.629803][ T4976] d_alloc+0x46/0x250
[ 316.629826][ T4976] lookup_one_qstr_excl+0xc6/0x240
[ 316.629851][ T4976] filename_create+0x242/0x450
[ 316.629883][ T4976] ? kern_path_create+0x50/0x50
[ 316.629908][ T4976] ? __virt_addr_valid+0x467/0x540
[ 316.651599][ T28] do_syscall_64+0x4c/0xa0
[ 316.652552][ T4976] do_mkdirat+0xa5/0x440
[ 316.680188][ T28] ? clear_bhb_loop+0x60/0xb0
[ 316.681178][ T4976] ? vfs_mkdir+0x570/0x570
[ 316.685872][ T28] ? clear_bhb_loop+0x60/0xb0
[ 316.690308][ T4976] __x64_sys_mkdirat+0x85/0x90
[ 316.690337][ T4976] do_syscall_64+0x4c/0xa0
[ 316.690368][ T4976] ? clear_bhb_loop+0x60/0xb0
[ 316.690396][ T4976] ? clear_bhb_loop+0x60/0xb0
[ 316.690428][ T4976] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 316.690457][ T4976] RIP: 0033:0x7f712379e0d9
[ 316.690477][ T4976] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 316.690496][ T4976] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 316.690521][ T4976] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 316.690537][ T4976] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 316.690552][ T4976] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 316.690567][ T4976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 316.690580][ T4976] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 316.690610][ T4976]
[ 316.752706][ T4928] device veth0_vlan entered promiscuous mode
[ 316.820884][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 316.826893][ T28] RIP: 0033:0x7f034b19e0d9
[ 316.832016][ T28] RSP: 002b:00007ffe07745d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 316.840826][ T28] RAX: ffffffffffffffda RBX: 00007f034b425fa0 RCX: 00007f034b19e0d9
[ 316.848859][ T28] RDX: 0000000000000001 RSI: 0000200000000100 RDI: ffffffffffffff9c
[ 316.869880][ T28] RBP: 00007f034b235024 R08: 0000000000000000 R09: 0000000000000000
[ 316.878041][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 316.899855][ T28] R13: 00007f034b425fac R14: 00007f034b425fa0 R15: 00007f034b425fa0
[ 316.909706][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 316.920265][ T28]
[ 316.923502][ T28] INFO: task syz.1.18:4514 blocked for more than 144 seconds.
[ 316.939396][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 316.940111][ T28] Not tainted syzkaller #0
[ 316.978546][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 316.996016][ T4928] device veth1_vlan entered promiscuous mode
[ 317.002535][ T28] task:syz.1.18 state:D stack:26736 pid:4514 ppid:4400 flags:0x00004004
[ 317.013409][ T4976] memory: usage 96kB, limit 96kB, failcnt 61562
[ 317.023812][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 317.033386][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 317.044972][ T4511] Failed to create system directory btrfs
[ 317.051131][ T28] Call Trace:
[ 317.052534][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 317.054445][ T28]
[ 317.070004][ T4976] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 317.077643][ T4976] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 317.088877][ T28] __schedule+0x107f/0x4030
[ 317.094570][ T28] ? __sched_text_start+0x8/0x8
[ 317.099498][ T28] ? __mutex_trylock_common+0x86/0x260
[ 317.105766][ T4511] Could not create directory for event btrfs_truncate_show_fi_inline
[ 317.116944][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 317.127830][ T4976] Memory cgroup stats for /syz0/test:
[ 317.128016][ T4976] anon 0
[ 317.128016][ T4976] file 0
[ 317.128016][ T4976] kernel 98304
[ 317.128016][ T4976] kernel_stack 0
[ 317.128016][ T4976] pagetables 0
[ 317.128016][ T4976] sec_pagetables 0
[ 317.128016][ T4976] percpu 0
[ 317.128016][ T4976] sock 0
[ 317.128016][ T4976] vmalloc 0
[ 317.128016][ T4976] shmem 0
[ 317.128016][ T4976] zswap 0
[ 317.128016][ T4976] zswapped 0
[ 317.128016][ T4976] file_mapped 0
[ 317.128016][ T4976] file_dirty 0
[ 317.128016][ T4976] file_writeback 0
[ 317.128016][ T4976] swapcached 0
[ 317.128016][ T4976] anon_thp 0
[ 317.128016][ T4976] file_thp 0
[ 317.128016][ T4976] shmem_thp 0
[ 317.128016][ T4976] inactive_anon 0
[ 317.128016][ T4976] active_anon 0
[ 317.128016][ T4976] inactive_file 0
[ 317.128016][ T4976] active_file 0
[ 317.128016][ T4976] unevictable 0
[ 317.128016][ T4976] slab_reclaimable 94912
[ 317.128016][ T4976] slab_unreclaimable 2016
[ 317.128016][ T4976] slab 96928
[ 317.128016][ T4976] workingset_refault_anon 0
[ 317.232206][ T28] schedule+0xb9/0x180
[ 317.236415][ T28] schedule_preempt_disabled+0xf/0x20
[ 317.244873][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 317.274595][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[ 317.281006][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[ 317.291655][ T28] __mutex_lock+0x548/0xae0
[ 317.296297][ T28] ? __mutex_lock+0x3ba/0xae0
[ 317.309822][ T28] ? subsystem_open+0x44/0x380
[ 317.314699][ T28] ? mutex_lock_nested+0x10/0x10
[ 317.319685][ T28] ? apparmor_file_open+0x3c7/0x780
[ 317.320956][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 317.334213][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 317.343192][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 317.344374][ T28] ? __rwlock_init+0x140/0x140
[ 317.358692][ T4928] device veth0_macvtap entered promiscuous mode
[ 317.368569][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 317.378114][ T28] subsystem_open+0x44/0x380
[ 317.378150][ T28] ? fsnotify_perm+0x248/0x550
[ 317.378178][ T28] ? subsystem_filter_write+0xf0/0xf0
[ 317.378202][ T28] do_dentry_open+0x7dd/0x10b0
[ 317.378246][ T28] path_openat+0x2674/0x2f10
[ 317.378292][ T28] ? verify_lock_unused+0x140/0x140
[ 317.378324][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 317.378360][ T28] ? do_filp_open+0x420/0x420
[ 317.378402][ T28] do_filp_open+0x1ee/0x420
[ 317.378433][ T28] ? vfs_tmpfile+0x470/0x470
[ 317.378481][ T28] ? _raw_spin_unlock+0x24/0x40
[ 317.378508][ T28] ? alloc_fd+0x590/0x640
[ 317.416494][ T4928] device veth1_macvtap entered promiscuous mode
[ 317.468086][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.485401][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.496699][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.500460][ T28] do_sys_openat2+0x14b/0x4f0
[ 317.507669][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.522185][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.533355][ T28] ? do_sys_open+0xe0/0xe0
[ 317.537863][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 317.551218][ T4976] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.149,pid=4976,uid=0
[ 317.561115][ T28] ? lock_chain_count+0x20/0x20
[ 317.568912][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.598304][ T28] __x64_sys_openat+0x135/0x160
[ 317.610229][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.620473][ T28] do_syscall_64+0x4c/0xa0
[ 317.625667][ T28] ? clear_bhb_loop+0x60/0xb0
[ 317.630699][ T28] ? clear_bhb_loop+0x60/0xb0
[ 317.635462][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 317.641047][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.644614][ T4976] Memory cgroup out of memory: Killed process 4976 (syz.0.149) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 317.671910][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.687876][ T28] RIP: 0033:0x7fb13b79e0d9
[ 317.692809][ T28] RSP: 002b:00007ffed17b6178 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 317.719951][ T28] RAX: ffffffffffffffda RBX: 00007fb13ba25fa0 RCX: 00007fb13b79e0d9
[ 317.725836][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.737944][ T28] RDX: 0000000000000001 RSI: 0000200000000100 RDI: ffffffffffffff9c
[ 317.737971][ T28] RBP: 00007fb13b835024 R08: 0000000000000000 R09: 0000000000000000
[ 317.737987][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 317.738002][ T28] R13: 00007fb13ba25fac R14: 00007fb13ba25fa0 R15: 00007fb13ba25fa0
[ 317.738034][ T28]
[ 317.738210][ T28] INFO: task syz.3.20:4515 blocked for more than 145 seconds.
[ 317.823269][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.838952][ T28] Not tainted syzkaller #0
[ 317.847295][ T4511] Failed to create system directory btrfs
[ 317.853191][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 317.862346][ T4511] Could not create directory for event btrfs_get_extent_show_fi_inline
[ 317.871061][ T28] task:syz.3.20 state:D stack:26736 pid:4515 ppid:4404 flags:0x00004004
[ 317.880712][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.905367][ T28] Call Trace:
[ 317.908742][ T28]
[ 317.915155][ T28] __schedule+0x107f/0x4030
[ 317.922663][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 317.936201][ T28] ? __sched_text_start+0x8/0x8
[ 317.946624][ T28] ? __mutex_trylock_common+0x86/0x260
[ 317.954723][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 317.969660][ T4405] Bluetooth: hci25: unexpected cc 0x0c03 length: 249 > 1
[ 317.980897][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 317.980942][ T4405] Bluetooth: hci25: unexpected cc 0x1003 length: 249 > 9
[ 317.987130][ T28] schedule+0xb9/0x180
[ 318.003635][ T4405] Bluetooth: hci25: unexpected cc 0x1001 length: 249 > 9
[ 318.013302][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.024292][ T4405] Bluetooth: hci25: unexpected cc 0x0c23 length: 249 > 4
[ 318.031783][ T28] schedule_preempt_disabled+0xf/0x20
[ 318.039510][ T28] __mutex_lock+0x548/0xae0
[ 318.044486][ T4405] Bluetooth: hci25: unexpected cc 0x0c25 length: 249 > 3
[ 318.060348][ T4405] Bluetooth: hci25: unexpected cc 0x0c38 length: 249 > 2
[ 318.065845][ T28] ? __mutex_lock+0x3ba/0xae0
[ 318.074259][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.086634][ T4511] Failed to create system directory btrfs
[ 318.101097][ T28] ? subsystem_open+0x44/0x380
[ 318.106064][ T28] ? mutex_lock_nested+0x10/0x10
[ 318.112965][ T4511] Could not create directory for event btrfs_truncate_show_fi_regular
[ 318.121803][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.133865][ T28] ? apparmor_file_open+0x3c7/0x780
[ 318.139152][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 318.147293][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.157388][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.168034][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.177978][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.188588][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.202010][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.213303][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.223416][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.223745][ T28] ? __rwlock_init+0x140/0x140
[ 318.234074][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.234098][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.259527][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.269458][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.280092][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.289205][ T28] subsystem_open+0x44/0x380
[ 318.290841][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.311463][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.320759][ T28] ? fsnotify_perm+0x248/0x550
[ 318.321937][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.330269][ T28] ? subsystem_filter_write+0xf0/0xf0
[ 318.340602][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.352295][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.365086][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.365599][ T28] do_dentry_open+0x7dd/0x10b0
[ 318.375248][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.375270][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.375292][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.375308][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.375327][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.375343][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.375378][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.375393][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.379234][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 318.394115][ T4511] Failed to create system directory btrfs
[ 318.454077][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.456658][ T28] path_openat+0x2674/0x2f10
[ 318.481048][ T4511] Could not create directory for event btrfs_get_extent_show_fi_regular
[ 318.492160][ T28] ? verify_lock_unused+0x140/0x140
[ 318.492205][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 318.492242][ T28] ? do_filp_open+0x420/0x420
[ 318.492287][ T28] do_filp_open+0x1ee/0x420
[ 318.492317][ T28] ? vfs_tmpfile+0x470/0x470
[ 318.492366][ T28] ? _raw_spin_unlock+0x24/0x40
[ 318.492394][ T28] ? alloc_fd+0x590/0x640
[ 318.492433][ T28] do_sys_openat2+0x14b/0x4f0
[ 318.492466][ T28] ? do_sys_open+0xe0/0xe0
[ 318.492496][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 318.492531][ T28] ? lock_chain_count+0x20/0x20
[ 318.492567][ T28] __x64_sys_openat+0x135/0x160
[ 318.515719][ T4928] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 318.548572][ T28] do_syscall_64+0x4c/0xa0
[ 318.592466][ T28] ? clear_bhb_loop+0x60/0xb0
[ 318.597256][ T28] ? clear_bhb_loop+0x60/0xb0
[ 318.610616][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 318.620346][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 318.629247][ T28] RIP: 0033:0x7ff45059e0d9
[ 318.634688][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 318.644655][ T28] RSP: 002b:00007ffdb6771498 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 318.657456][ T28] RAX: ffffffffffffffda RBX: 00007ff450825fa0 RCX: 00007ff45059e0d9
[ 318.665624][ T28] RDX: 0000000000000001 RSI: 0000200000000100 RDI: ffffffffffffff9c
[ 318.674733][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 318.682053][ T28] RBP: 00007ff450635024 R08: 0000000000000000 R09: 0000000000000000
[ 318.697791][ T4511] Failed to create system directory btrfs
[ 318.716570][ T4511] Could not create directory for event btrfs_handle_em_exist
[ 318.720005][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 318.725422][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.752443][ T28] R13: 00007ff450825fac R14: 00007ff450825fa0 R15: 00007ff450825fa0
[ 318.753572][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 318.770310][ T28]
[ 318.781557][ T28]
[ 318.781557][ T28] Showing all locks held in the system:
[ 318.789368][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 318.798631][ T4511] Failed to create system directory btrfs
[ 318.811285][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.821653][ T4511] Could not create directory for event btrfs_get_extent
[ 318.830068][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 318.842055][ T28] #0: ffffffff8cb2e4f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0
[ 318.848275][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.855601][ T4990] syz.0.151 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 318.879840][ T28] 1 lock held by rcu_tasks_trace/13:
[ 318.884944][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 318.885189][ T28] #0: ffffffff8cb2ed10
[ 318.904209][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 318.917001][ T28] (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0
[ 318.933740][ T28] 1 lock held by khungtaskd/28:
[ 318.938678][ T28] #0: ffffffff8cb2db60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 318.948957][ T4990] CPU: 0 PID: 4990 Comm: syz.0.151 Not tainted syzkaller #0
[ 318.956306][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 318.966416][ T4990] Call Trace:
[ 318.969738][ T4990]
[ 318.972442][ T4511] Failed to create system directory btrfs
[ 318.972704][ T4990] dump_stack_lvl+0x188/0x24e
[ 318.978494][ T4511] Could not create directory for event btrfs_inode_evict
[ 318.983145][ T4990] ? ___ratelimit+0x14e/0x610
[ 318.983175][ T4990] ? show_regs_print_info+0x12/0x12
[ 318.983206][ T4990] ? load_image+0x410/0x410
[ 318.983231][ T4990] ? ___ratelimit+0x474/0x610
[ 319.001232][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.004690][ T4990] ? radix_tree_cpu_dead+0x160/0x160
[ 319.009375][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.019800][ T4990] dump_header+0xd8/0x820
[ 319.019838][ T4990] oom_kill_process+0x361/0x550
[ 319.019865][ T4990] out_of_memory+0xe25/0x1220
[ 319.019892][ T4990] ? print_unlock_imbalance_bug+0x160/0x160
[ 319.019925][ T4990] ? mutex_lock_nested+0x10/0x10
[ 319.019951][ T4990] ? unregister_oom_notifier+0x20/0x20
[ 319.019982][ T4990] mem_cgroup_out_of_memory+0x2c0/0x390
[ 319.020014][ T4990] ? mem_cgroup_oom_trylock+0x210/0x210
[ 319.020052][ T4990] ? do_raw_spin_unlock+0x11d/0x230
[ 319.020079][ T4990] try_charge_memcg+0xc9d/0x17c0
[ 319.020131][ T4990] ? percpu_ref_put+0x180/0x180
[ 319.020162][ T4990] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 319.020202][ T4990] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 319.020242][ T4990] ? percpu_ref_tryget+0x15/0x180
[ 319.020272][ T4990] ? percpu_ref_tryget+0x15/0x180
[ 319.020302][ T4990] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 319.020332][ T4990] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 319.020372][ T4990] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 319.020406][ T4990] obj_cgroup_charge+0x36a/0x620
[ 319.020439][ T4990] ? obj_cgroup_charge+0xe9/0x620
[ 319.020467][ T4990] ? mod_objcg_mlstate+0x320/0x320
[ 319.020501][ T4990] ? percpu_ref_put+0x12/0x100
[ 319.020528][ T4990] ? percpu_ref_put+0x12/0x100
[ 319.020559][ T4990] slab_pre_alloc_hook+0x2e2/0x300
[ 319.020584][ T4990] ? slab_pre_alloc_hook+0xb1/0x300
[ 319.020613][ T4990] kmem_cache_alloc_lru+0x49/0x2e0
[ 319.020636][ T4990] ? __d_alloc+0x2e/0x6e0
[ 319.020663][ T4990] __d_alloc+0x2e/0x6e0
[ 319.020689][ T4990] d_alloc+0x46/0x250
[ 319.020713][ T4990] lookup_one_qstr_excl+0xc6/0x240
[ 319.020740][ T4990] filename_create+0x242/0x450
[ 319.020772][ T4990] ? kern_path_create+0x50/0x50
[ 319.020797][ T4990] ? __virt_addr_valid+0x467/0x540
[ 319.020835][ T4990] do_mkdirat+0xa5/0x440
[ 319.020864][ T4990] ? vfs_mkdir+0x570/0x570
[ 319.020897][ T4990] __x64_sys_mkdirat+0x85/0x90
[ 319.020924][ T4990] do_syscall_64+0x4c/0xa0
[ 319.020954][ T4990] ? clear_bhb_loop+0x60/0xb0
[ 319.020984][ T4990] ? clear_bhb_loop+0x60/0xb0
[ 319.021017][ T4990] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 319.021046][ T4990] RIP: 0033:0x7f712379e0d9
[ 319.021072][ T4990] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 319.021091][ T4990] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 319.021117][ T4990] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 319.021134][ T4990] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 319.021151][ T4990] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 319.021166][ T4990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 319.021186][ T4990] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 319.021221][ T4990]
[ 319.050689][ T28] 2 locks held by getty/4030:
[ 319.210108][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.260803][ T28] #0:
[ 319.331174][ T49] Bluetooth: hci11: command 0x0406 tx timeout
[ 319.331212][ T49] Bluetooth: hci10: command 0x0406 tx timeout
[ 319.362609][ T4990] memory: usage 96kB, limit 96kB, failcnt 61829
[ 319.368943][ T4990] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 319.376733][ T4990] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 319.383910][ T4990] Memory cgroup stats for /syz0/test:
[ 319.384121][ T4990] anon 0
[ 319.384121][ T4990] file 0
[ 319.384121][ T4990] kernel 98304
[ 319.384121][ T4990] kernel_stack 0
[ 319.384121][ T4990] pagetables 0
[ 319.384121][ T4990] sec_pagetables 0
[ 319.384121][ T4990] percpu 0
[ 319.384121][ T4990] sock 0
[ 319.384121][ T4990] vmalloc 0
[ 319.384121][ T4990] shmem 0
[ 319.384121][ T4990] zswap 0
[ 319.384121][ T4990] zswapped 0
[ 319.384121][ T4990] file_mapped 0
[ 319.384121][ T4990] file_dirty 0
[ 319.384121][ T4990] file_writeback 0
[ 319.384121][ T4990] swapcached 0
[ 319.384121][ T4990] anon_thp 0
[ 319.384121][ T4990] file_thp 0
[ 319.384121][ T4990] shmem_thp 0
[ 319.384121][ T4990] inactive_anon 0
[ 319.384121][ T4990] active_anon 0
[ 319.384121][ T4990] inactive_file 0
[ 319.384121][ T4990] active_file 0
[ 319.384121][ T4990] unevictable 0
[ 319.384121][ T4990] slab_reclaimable 94912
[ 319.384121][ T4990] slab_unreclaimable 2016
[ 319.384121][ T4990] slab 96928
[ 319.384121][ T4990] workingset_refault_anon 0
[ 319.396013][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.500945][ T28] ffff88814d713098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 319.510694][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360
[ 319.521149][ T28] 3 locks held by kworker/1:9/4453:
[ 319.533018][ T28] #0: ffff88802f0fd938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 319.544407][ T28] #1: ffffc900034e7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 319.556973][ T28] #2: ffffffff8dd5c0a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xc4/0x1500
[ 319.566912][ T28] 2 locks held by kworker/u4:7/4483:
[ 319.572663][ T28] 5 locks held by syz.0.17/4511:
[ 319.577668][ T28] 1 lock held by syz.2.19/4512:
[ 319.582848][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.593044][ T28] 1 lock held by syz.4.21/4513:
[ 319.597950][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.612220][ T28] 1 lock held by syz.1.18/4514:
[ 319.617159][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.632211][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.640375][ T28] 1 lock held by syz.3.20/4515:
[ 319.642941][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.653037][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.659265][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.677581][ T4990] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.151,pid=4990,uid=0
[ 319.690172][ T28] 1 lock held by syz.5.22/4580:
[ 319.695195][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.698319][ T28] #0:
[ 319.709218][ T4990] Memory cgroup out of memory: Killed process 4990 (syz.0.151) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 319.732740][ T28] ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.741643][ T28] 1 lock held by syz.6.23/4601:
[ 319.750346][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.761183][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.771057][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.771966][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.799251][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.800010][ T28] 1 lock held by syz.9.26/4619:
[ 319.819441][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.837010][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.864144][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.872352][ T28] 1 lock held by syz.8.25/4620:
[ 319.878990][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
2026/08/22 15:21:06 executed programs: 142
[ 319.889357][ T28] 1 lock held by syz.7.24/4621:
[ 319.894978][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.900897][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.905272][ T28] 1 lock held by syz.2.28/4694:
[ 319.919973][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.929363][ T28] 1 lock held by syz.1.31/4711:
[ 319.937146][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 319.950264][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 319.959516][ T28] 1 lock held by syz.3.33/4722:
[ 319.959898][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 319.977878][ T4511] Failed to create system directory btrfs
[ 319.984612][ T4511] Could not create directory for event btrfs_inode_request
[ 319.992036][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.001362][ T28] 1 lock held by syz.4.34/4724:
[ 320.004193][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.006241][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.026873][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.062764][ T28] 1 lock held by syz.5.65/4785:
[ 320.067726][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.078541][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.092715][ T28] 1 lock held by syz.6.73/4815:
[ 320.097646][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.100027][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.122246][ T4511] Failed to create system directory btrfs
[ 320.128075][ T4511] Could not create directory for event btrfs_inode_new
[ 320.135711][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.135738][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.135756][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.135773][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.151007][ T28] 1 lock held by syz.9.78/4852:
[ 320.161326][ T4405] Bluetooth: hci25: command 0x0409 tx timeout
[ 320.170606][ T28] #0:
[ 320.205889][ T4991] syz.0.152 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 320.229869][ T28] ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.249950][ T28] 1 lock held by syz.7.81/4854:
[ 320.254897][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.261261][ T4511] Failed to create system directory btrfs
[ 320.270029][ T4991] CPU: 0 PID: 4991 Comm: syz.0.152 Not tainted syzkaller #0
[ 320.270065][ T4511] Could not create directory for event btrfs_transaction_commit
[ 320.277354][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 320.295123][ T4991] Call Trace:
[ 320.298445][ T4991]
[ 320.301420][ T4991] dump_stack_lvl+0x188/0x24e
[ 320.306163][ T4991] ? ___ratelimit+0x14e/0x610
[ 320.310894][ T4991] ? show_regs_print_info+0x12/0x12
[ 320.316150][ T4991] ? load_image+0x410/0x410
[ 320.320703][ T4991] ? ___ratelimit+0x474/0x610
[ 320.325443][ T4991] ? radix_tree_cpu_dead+0x160/0x160
[ 320.330792][ T4991] dump_header+0xd8/0x820
[ 320.335186][ T4991] oom_kill_process+0x361/0x550
[ 320.340131][ T4991] out_of_memory+0xe25/0x1220
[ 320.344864][ T4991] ? print_unlock_imbalance_bug+0x160/0x160
[ 320.350821][ T4991] ? mutex_lock_nested+0x10/0x10
[ 320.355815][ T4991] ? unregister_oom_notifier+0x20/0x20
[ 320.361340][ T4991] mem_cgroup_out_of_memory+0x2c0/0x390
[ 320.363798][ T4511] Failed to create system directory ocfs2
[ 320.366934][ T4991] ? mem_cgroup_oom_trylock+0x210/0x210
[ 320.373414][ T4511] Could not create directory for event ocfs2_remove_block_from_cache
[ 320.378239][ T4991] ? do_raw_spin_unlock+0x11d/0x230
[ 320.391743][ T4991] try_charge_memcg+0xc9d/0x17c0
[ 320.396769][ T4991] ? percpu_ref_put+0x180/0x180
[ 320.401741][ T4991] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 320.407543][ T4991] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 320.413593][ T4991] ? percpu_ref_tryget+0x15/0x180
[ 320.418686][ T4991] ? percpu_ref_tryget+0x15/0x180
[ 320.423807][ T4991] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 320.429598][ T4991] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 320.435379][ T4991] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 320.441346][ T4991] obj_cgroup_charge+0x36a/0x620
[ 320.446331][ T4991] ? obj_cgroup_charge+0xe9/0x620
[ 320.451416][ T4991] ? mod_objcg_mlstate+0x320/0x320
[ 320.456586][ T4991] ? percpu_ref_put+0x12/0x100
[ 320.461394][ T4991] ? percpu_ref_put+0x12/0x100
[ 320.466204][ T4991] slab_pre_alloc_hook+0x2e2/0x300
[ 320.471357][ T4991] ? slab_pre_alloc_hook+0xb1/0x300
[ 320.476603][ T4991] kmem_cache_alloc_lru+0x49/0x2e0
[ 320.481757][ T4991] ? __d_alloc+0x2e/0x6e0
[ 320.486147][ T4991] __d_alloc+0x2e/0x6e0
[ 320.490345][ T4991] d_alloc+0x46/0x250
[ 320.494361][ T4991] lookup_one_qstr_excl+0xc6/0x240
[ 320.499509][ T4991] filename_create+0x242/0x450
[ 320.504316][ T4991] ? kern_path_create+0x50/0x50
[ 320.509196][ T4991] ? __virt_addr_valid+0x467/0x540
[ 320.514351][ T4991] do_mkdirat+0xa5/0x440
[ 320.518666][ T4991] ? vfs_mkdir+0x570/0x570
[ 320.523139][ T4991] __x64_sys_mkdirat+0x85/0x90
[ 320.527939][ T4991] do_syscall_64+0x4c/0xa0
[ 320.532423][ T4991] ? clear_bhb_loop+0x60/0xb0
[ 320.537142][ T4991] ? clear_bhb_loop+0x60/0xb0
[ 320.541863][ T4991] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 320.547793][ T4991] RIP: 0033:0x7f712379e0d9
[ 320.552238][ T4991] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 320.571879][ T4991] RSP: 002b:00007ffc5c30fe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 320.580347][ T4991] RAX: ffffffffffffffda RBX: 00007f7123a25fa0 RCX: 00007f712379e0d9
[ 320.588368][ T4991] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 320.596407][ T4991] RBP: 00007f7123835024 R08: 0000000000000000 R09: 0000000000000000
[ 320.604422][ T4991] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 320.612433][ T4991] R13: 00007f7123a25fac R14: 00007f7123a25fa0 R15: 00007f7123a25fa0
[ 320.620465][ T4991]
[ 320.642579][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.656257][ T4991] memory: usage 96kB, limit 96kB, failcnt 62020
[ 320.663624][ T28] 1 lock held by syz.8.98/4883:
[ 320.668550][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.683563][ T4991] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 320.690194][ T28] 1 lock held by syz.2.110/4908:
[ 320.692926][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.696128][ T28] #0: ffffffff8cb82e28
[ 320.713754][ T4511] Failed to create system directory ocfs2
[ 320.723986][ T4928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 320.730213][ T28] (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.735903][ T4991] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 320.751731][ T4928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 320.765355][ T28] 6 locks held by syz-executor/4928:
[ 320.765380][ T28] 1 lock held by syz.1.119/4935:
[ 320.765394][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.765466][ T28] 1 lock held by syz-executor/4945:
[ 320.765479][ T28] #0: ffffffff8dd5c0a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x80d/0xfb0
[ 320.765553][ T28] 1 lock held by syz.3.122/4947:
[ 320.765566][ T28] #0: ffffffff8cb82e28 (event_mutex){+.+.}-{3:3}, at: subsystem_open+0x44/0x380
[ 320.765626][ T28] 2 locks held by syz-executor/4988:
[ 320.765640][ T28] #0: ffffffff8dd4f210 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x324/0x5b0
[ 320.765705][ T28] #1: ffffffff8dd5c0a8 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x240
[ 320.765769][ T28] 4 locks held by syz.0.152/4991:
[ 320.765794][ T28]
[ 320.765801][ T28] =============================================
[ 320.765801][ T28]
[ 320.765827][ T28] NMI backtrace for cpu 0
[ 320.765838][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 320.765859][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 320.765872][ T28] Call Trace:
[ 320.765881][ T28]
[ 320.765890][ T28] dump_stack_lvl+0x188/0x24e
[ 320.765926][ T28] ? show_regs_print_info+0x12/0x12
[ 320.765958][ T28] ? load_image+0x410/0x410
[ 320.765982][ T28] ? vprintk_emit+0x59f/0x6a0
[ 320.766016][ T28] ? printk_sprint+0x460/0x460
[ 320.766053][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 320.766090][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 320.766122][ T28] ? _printk+0xda/0x130
[ 320.766147][ T28] ? load_image+0x410/0x410
[ 320.766175][ T28] ? load_image+0x410/0x410
[ 320.766201][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 320.766235][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 320.766260][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 320.766296][ T28] watchdog+0xf0e/0xf50
[ 320.766327][ T28] ? watchdog+0x1ed/0xf50
[ 320.766367][ T28] kthread+0x29d/0x330
[ 320.766385][ T28] ? hungtask_pm_notify+0x40/0x40
[ 320.766411][ T28] ? kthread_blkcg+0xd0/0xd0
[ 320.766434][ T28] ret_from_fork+0x1f/0x30
[ 320.766475][ T28]
[ 320.766484][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 320.766511][ C1] NMI backtrace for cpu 1
[ 320.766521][ C1] CPU: 1 PID: 4928 Comm: syz-executor Not tainted syzkaller #0
[ 320.766537][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 320.766548][ C1] RIP: 0010:match_held_lock+0x0/0xb0
[ 320.766570][ C1] Code: 03 00 75 cf 48 c7 c7 c0 16 8c 8a 48 c7 c6 00 17 8c 8a e8 83 cb 1c f7 0f 0b eb b6 e8 ca fa ff ff 66 2e 0f 1f 84 00 00 00 00 00 01 00 00 00 48 39 77 10 74 6c 53 81 7f 20 00 00 10 00 72 5f 48
[ 320.766585][ C1] RSP: 0018:ffffc900001e0758 EFLAGS: 00000087
[ 320.766601][ C1] RAX: 0000000000000007 RBX: ffff88802570bc00 RCX: 0000000000000000
[ 320.766613][ C1] RDX: ffffea0000a06d08 RSI: ffff8880177973d8 RDI: ffff88802570c7a8
[ 320.766626][ C1] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00000000800c000c
[ 320.766637][ C1] R10: dffffc0000000000 R11: fffff5200003c0d0 R12: 0000000000000005
[ 320.766649][ C1] R13: 0000000000000046 R14: ffff8880177973d8 R15: ffff88802570c7a8
[ 320.766661][ C1] FS: 000055559426a500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 320.766676][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 320.766688][ C1] CR2: 00007ffc5c310108 CR3: 000000004dfdf000 CR4: 00000000003506e0
[ 320.766703][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 320.766713][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 320.766724][ C1] Call Trace:
[ 320.766729][ C1]
[ 320.766734][ C1] lock_is_held_type+0xa6/0x190
[ 320.766755][ C1] get_partial_node+0xd2/0x480
[ 320.766780][ C1] ___slab_alloc+0x96d/0x1240
[ 320.766800][ C1] ? ___slab_alloc+0x20e/0x1240
[ 320.766819][ C1] ? __alloc_skb+0xf9/0x7d0
[ 320.766845][ C1] kmem_cache_alloc_node+0x134/0x310
[ 320.766863][ C1] ? __alloc_skb+0xf9/0x7d0
[ 320.766889][ C1] __alloc_skb+0xf9/0x7d0
[ 320.766913][ C1] __netdev_alloc_skb+0x114/0x4f0
[ 320.766938][ C1] ? __alloc_skb+0x7d0/0x7d0
[ 320.766965][ C1] __ieee80211_beacon_get+0xd5d/0x1520
[ 320.766985][ C1] ? __ieee80211_beacon_get+0x36/0x1520
[ 320.767009][ C1] ieee80211_beacon_get_tim+0x63/0x4e0
[ 320.767030][ C1] mac80211_hwsim_beacon_tx+0x21c/0xae0
[ 320.767052][ C1] __iterate_interfaces+0x225/0x4c0
[ 320.767075][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0
[ 320.767092][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x26/0x170
[ 320.767118][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0
[ 320.767136][ C1] ieee80211_iterate_active_interfaces_atomic+0xd7/0x170
[ 320.767162][ C1] mac80211_hwsim_beacon+0xb7/0x1b0
[ 320.767189][ C1] __hrtimer_run_queues+0x522/0xc90
[ 320.767210][ C1] ? hw_scan_work+0xf00/0xf00
[ 320.767238][ C1] ? hrtimer_interrupt+0x980/0x980
[ 320.767259][ C1] hrtimer_run_softirq+0x173/0x290
[ 320.767288][ C1] handle_softirqs+0x291/0x910
[ 320.767306][ C1] ? __irq_exit_rcu+0x13b/0x230
[ 320.767324][ C1] ? do_softirq+0x210/0x210
[ 320.767338][ C1] ? hrtimer_interrupt+0x775/0x980
[ 320.767358][ C1] ? irqtime_account_irq+0xb2/0x1b0
[ 320.767375][ C1] __irq_exit_rcu+0x13b/0x230
[ 320.767391][ C1] ? irq_exit_rcu+0x20/0x20
[ 320.767410][ C1] irq_exit_rcu+0x5/0x20
[ 320.767425][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 320.767444][ C1]
[ 320.767448][ C1]
[ 320.767454][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 320.767479][ C1] RIP: 0010:console_emit_next_record+0x92f/0xb50
[ 320.767507][ C1] Code: 0f 85 af 00 00 00 e8 50 ac 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 41 ac 1a 00 eb 06 e8 3a ac 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06
[ 320.767521][ C1] RSP: 0018:ffffc90004d76980 EFLAGS: 00000293
[ 320.767534][ C1] RAX: ffffffff81678346 RBX: 0000000000000001 RCX: ffff88802570bc00
[ 320.767545][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 320.767555][ C1] RBP: ffffc90004d76ba0 R08: ffffffff90b12247 R09: 1ffffffff2162448
[ 320.767568][ C1] R10: dffffc0000000000 R11: fffffbfff2162449 R12: 1ffff920009aed7b
[ 320.767581][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff920009aed3c
[ 320.767596][ C1] ? console_emit_next_record+0x926/0xb50
[ 320.767625][ C1] ? console_emit_next_record+0x68f/0xb50
[ 320.767653][ C1] ? info_print_prefix+0x360/0x360
[ 320.767683][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 320.767711][ C1] ? __down_trylock_console_sem+0xf2/0x1f0
[ 320.767737][ C1] ? __down_trylock_console_sem+0x19f/0x1f0
[ 320.767761][ C1] ? _printk+0xda/0x130
[ 320.767782][ C1] ? _printk+0xda/0x130
[ 320.767800][ C1] ? console_trylock+0x160/0x160
[ 320.767825][ C1] console_unlock+0x223/0x630
[ 320.767850][ C1] ? _printk+0xda/0x130
[ 320.767869][ C1] vprintk_emit+0x4b3/0x6a0
[ 320.767894][ C1] ? printk_sprint+0x460/0x460
[ 320.767923][ C1] _printk+0xda/0x130
[ 320.767941][ C1] ? net_generic+0x1e/0x240
[ 320.767968][ C1] ? load_image+0x410/0x410
[ 320.767988][ C1] ? batadv_hardif_get_by_netdev+0x3a2/0x3e0
[ 320.768010][ C1] batadv_check_known_mac_addr+0x29a/0x3e0
[ 320.768029][ C1] ? batadv_check_known_mac_addr+0x24/0x3e0
[ 320.768049][ C1] batadv_hard_if_event+0x490/0x1510
[ 320.768068][ C1] ? dcbnl_netdevice_event+0x254/0x290
[ 320.768090][ C1] ? lockdep_rtnl_is_held+0x22/0x30
[ 320.768114][ C1] raw_notifier_call_chain+0xcb/0x160
[ 320.768137][ C1] dev_set_mac_address+0x2ed/0x400
[ 320.768161][ C1] ? dev_pre_changeaddr_notify+0x120/0x120
[ 320.768185][ C1] ? rwsem_write_trylock+0x135/0x1c0
[ 320.768206][ C1] ? clear_nonspinnable+0x60/0x60
[ 320.768229][ C1] ? do_setlink+0x746/0x29c0
[ 320.768246][ C1] dev_set_mac_address_user+0x2d/0x50
[ 320.768270][ C1] do_setlink+0x7eb/0x29c0
[ 320.768292][ C1] ? __stack_depot_save+0x35/0x480
[ 320.768315][ C1] ? nlmsg_parse_deprecated_strict+0x110/0x110
[ 320.768335][ C1] ? __nla_validate_parse+0x1f67/0x2970
[ 320.768367][ C1] ? __nla_validate+0x50/0x50
[ 320.768398][ C1] ? validate_linkmsg+0x3db/0x4c0
[ 320.768423][ C1] rtnl_newlink+0x16e4/0x1f90
[ 320.768458][ C1] ? rtnl_setlink+0x510/0x510
[ 320.768481][ C1] ? trace_raw_output_contention_end+0xd0/0xd0
[ 320.768504][ C1] ? rcu_is_watching+0x11/0xa0
[ 320.768529][ C1] ? trace_contention_end+0x5f/0x170
[ 320.768551][ C1] ? __mutex_lock+0x1ab/0xae0
[ 320.768570][ C1] ? rcu_read_unlock+0x8c/0xa0
[ 320.768600][ C1] ? rtnl_setlink+0x510/0x510
[ 320.768624][ C1] rtnetlink_rcv_msg+0x863/0xfb0
[ 320.768650][ C1] ? rtnetlink_rcv_msg+0x220/0xfb0
[ 320.768678][ C1] ? rtnetlink_bind+0x80/0x80
[ 320.768703][ C1] ? __local_bh_enable_ip+0x136/0x1c0
[ 320.768719][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 320.768738][ C1] ? __local_bh_enable_ip+0x136/0x1c0
[ 320.768754][ C1] ? _local_bh_enable+0xa0/0xa0
[ 320.768772][ C1] ? __dev_queue_xmit+0x281/0x3810
[ 320.768791][ C1] ? __dev_queue_xmit+0x281/0x3810
[ 320.768811][ C1] ? __dev_queue_xmit+0x1d84/0x3810
[ 320.768834][ C1] ? __dev_queue_xmit+0x281/0x3810
[ 320.768858][ C1] ? ref_tracker_free+0x682/0x830
[ 320.768880][ C1] ? refcount_inc+0x70/0x70
[ 320.768900][ C1] ? memcpy+0x3c/0x60
[ 320.768916][ C1] ? __copy_skb_header+0x3ba/0x4f0
[ 320.768942][ C1] ? __skb_clone+0x446/0x6c0
[ 320.768968][ C1] netlink_rcv_skb+0x1ef/0x440
[ 320.768994][ C1] ? rtnetlink_bind+0x80/0x80
[ 320.769020][ C1] ? netlink_ack+0x1160/0x1160
[ 320.769049][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 320.769077][ C1] netlink_unicast+0x7ad/0x920
[ 320.769107][ C1] netlink_sendmsg+0x8ad/0xbd0
[ 320.769126][ C1] ? netlink_getsockopt+0x550/0x550
[ 320.769142][ C1] ? apparmor_socket_sendmsg+0x8a/0x330
[ 320.769167][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 320.769184][ C1] ? security_socket_sendmsg+0x7c/0xa0
[ 320.769208][ C1] __sys_sendto+0x497/0x650
[ 320.769232][ C1] ? __ia32_sys_getpeername+0x80/0x80
[ 320.769266][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 320.769297][ C1] ? lock_chain_count+0x20/0x20
[ 320.769322][ C1] __x64_sys_sendto+0xda/0xf0
[ 320.769347][ C1] do_syscall_64+0x4c/0xa0
[ 320.769371][ C1] ? clear_bhb_loop+0x60/0xb0
[ 320.769395][ C1] ? clear_bhb_loop+0x60/0xb0
[ 320.769420][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 320.769443][ C1] RIP: 0033:0x7fbd34f5e90e
[ 320.769456][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[ 320.769470][ C1] RSP: 002b:00007ffe146007b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 320.769487][ C1] RAX: ffffffffffffffda RBX: 000055559426a500 RCX: 00007fbd34f5e90e
[ 320.769499][ C1] RDX: 000000000000002c RSI: 00007fbd35d54670 RDI: 0000000000000003
[ 320.769510][ C1] RBP: 0000000000000001 R08: 00007ffe14600834 R09: 000000000000000c
[ 320.769521][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 320.769531][ C1] R13: 0000000000000000 R14: 00007fbd35d54670 R15: 0000000000000000
[ 320.769547][ C1]
[ 320.780248][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 320.780293][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 320.780366][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 320.780399][ T28] Call Trace:
[ 320.780422][ T28]
[ 320.780447][ T28] dump_stack_lvl+0x188/0x24e
[ 320.780544][ T28] ? memcpy+0x3c/0x60
[ 320.780606][ T28] ? show_regs_print_info+0x12/0x12
[ 320.780690][ T28] ? load_image+0x410/0x410
[ 320.780781][ T28] panic+0x2d3/0x710
[ 320.780845][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 320.780991][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 320.781013][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 320.781047][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 320.781085][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 320.781119][ T28] watchdog+0xf4d/0xf50
[ 320.781147][ T28] ? watchdog+0x1ed/0xf50
[ 320.781175][ T28] kthread+0x29d/0x330
[ 320.781192][ T28] ? hungtask_pm_notify+0x40/0x40
[ 320.781214][ T28] ? kthread_blkcg+0xd0/0xd0
[ 320.781235][ T28] ret_from_fork+0x1f/0x30
[ 320.781275][ T28]
[ 320.781865][ T28] Kernel Offset: disabled
[ 321.967125][ T28] Rebooting in 86400 seconds..