x15/0x180
[ 220.913786][ T4915] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 220.919527][ T4915] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 220.925268][ T4915] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 220.931099][ T4915] obj_cgroup_charge+0x36a/0x620
[ 220.936064][ T4915] ? obj_cgroup_charge+0xe9/0x620
[ 220.941130][ T4915] ? mod_objcg_mlstate+0x320/0x320
[ 220.946255][ T4915] ? percpu_ref_put+0x12/0x100
[ 220.951020][ T4915] ? percpu_ref_put+0x12/0x100
[ 220.955789][ T4915] slab_pre_alloc_hook+0x2e2/0x300
[ 220.960905][ T4915] ? slab_pre_alloc_hook+0xb1/0x300
[ 220.966125][ T4915] kmem_cache_alloc_lru+0x49/0x2e0
[ 220.971248][ T4915] ? __d_alloc+0x2e/0x6e0
[ 220.975596][ T4915] __d_alloc+0x2e/0x6e0
[ 220.979769][ T4915] d_alloc+0x46/0x250
[ 220.983766][ T4915] lookup_one_qstr_excl+0xc6/0x240
[ 220.988904][ T4915] filename_create+0x242/0x450
[ 220.993688][ T4915] ? kern_path_create+0x50/0x50
[ 220.997651][ T4441] Failed to create system directory ocfs2
[ 220.998539][ T4915] ? __virt_addr_valid+0x467/0x540
[ 221.006111][ T4441] Could not create directory for event ocfs2_recover_node_skip
[ 221.009331][ T4915] do_mkdirat+0xa5/0x440
[ 221.021119][ T4915] ? vfs_mkdir+0x570/0x570
[ 221.025562][ T4915] __x64_sys_mkdirat+0x85/0x90
[ 221.030342][ T4915] do_syscall_64+0x4c/0xa0
[ 221.034776][ T4915] ? clear_bhb_loop+0x60/0xb0
[ 221.039471][ T4915] ? clear_bhb_loop+0x60/0xb0
[ 221.044170][ T4915] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 221.050078][ T4915] RIP: 0033:0x7f27fb39e0d9
[ 221.054503][ T4915] 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
[ 221.074125][ T4915] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 221.082557][ T4915] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 221.090560][ T4915] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 221.098538][ T4915] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 221.106522][ T4915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 221.114511][ T4915] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 221.122513][ T4915]
[ 221.138756][ T4915] memory: usage 96kB, limit 96kB, failcnt 62816
[ 221.150606][ T4915] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 221.159281][ T4915] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 221.174505][ T4915] Memory cgroup stats for /syz2/test:
[ 221.174659][ T4915] anon 0
[ 221.174659][ T4915] file 0
[ 221.174659][ T4915] kernel 98304
[ 221.174659][ T4915] kernel_stack 0
[ 221.174659][ T4915] pagetables 0
[ 221.174659][ T4915] sec_pagetables 0
[ 221.174659][ T4915] percpu 0
[ 221.174659][ T4915] sock 0
[ 221.174659][ T4915] vmalloc 0
[ 221.174659][ T4915] shmem 0
[ 221.174659][ T4915] zswap 0
[ 221.174659][ T4915] zswapped 0
[ 221.174659][ T4915] file_mapped 0
[ 221.174659][ T4915] file_dirty 0
[ 221.174659][ T4915] file_writeback 0
[ 221.174659][ T4915] swapcached 0
[ 221.174659][ T4915] anon_thp 0
[ 221.174659][ T4915] file_thp 0
[ 221.174659][ T4915] shmem_thp 0
[ 221.174659][ T4915] inactive_anon 0
[ 221.174659][ T4915] active_anon 0
[ 221.174659][ T4915] inactive_file 0
[ 221.174659][ T4915] active_file 0
[ 221.174659][ T4915] unevictable 0
[ 221.174659][ T4915] slab_reclaimable 94912
[ 221.174659][ T4915] slab_unreclaimable 2016
[ 221.174659][ T4915] slab 96928
[ 221.174659][ T4915] workingset_refault_anon 0
[ 221.274831][ T4480] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 221.283028][ T4480] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 221.291700][ T4915] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.146,pid=4915,uid=0
[ 221.295457][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 221.347995][ T4441] Failed to create system directory ocfs2
[ 221.348654][ T4857] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 221.362906][ T4857] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 221.374489][ T4915] Memory cgroup out of memory: Killed process 4915 (syz.2.146) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 221.378610][ T4441] Could not create directory for event ocfs2_recover_node
2026/08/16 23:02:24 executed programs: 137
[ 221.418861][ T4892] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 221.482257][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 221.515021][ T4441] Failed to create system directory ocfs2
[ 221.524304][ T4441] Could not create directory for event ocfs2_replay_journal_skip
[ 221.556500][ T4441] Failed to create system directory ocfs2
[ 221.558197][ T4917] syz.2.147 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 221.562258][ T4441] Could not create directory for event ocfs2_replay_journal_lock_err
[ 221.614188][ T4892] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 221.615179][ T49] Bluetooth: hci24: unexpected cc 0x0c03 length: 249 > 1
[ 221.636941][ T4917] CPU: 0 PID: 4917 Comm: syz.2.147 Not tainted syzkaller #0
[ 221.644258][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 221.645169][ T49] Bluetooth: hci24: unexpected cc 0x1003 length: 249 > 9
[ 221.654305][ T4917] Call Trace:
[ 221.654314][ T4917]
[ 221.654322][ T4917] dump_stack_lvl+0x188/0x24e
[ 221.654348][ T4917] ? ___ratelimit+0x14e/0x610
[ 221.654372][ T4917] ? show_regs_print_info+0x12/0x12
[ 221.654392][ T4917] ? load_image+0x410/0x410
[ 221.654408][ T4917] ? ___ratelimit+0x474/0x610
[ 221.654435][ T4917] ? radix_tree_cpu_dead+0x160/0x160
[ 221.654462][ T4917] dump_header+0xd8/0x820
[ 221.654487][ T4917] oom_kill_process+0x361/0x550
[ 221.654510][ T4917] out_of_memory+0xe25/0x1220
[ 221.654533][ T4917] ? print_unlock_imbalance_bug+0x160/0x160
[ 221.654557][ T4917] ? mutex_lock_nested+0x10/0x10
[ 221.654584][ T4917] ? unregister_oom_notifier+0x20/0x20
[ 221.654611][ T4917] mem_cgroup_out_of_memory+0x2c0/0x390
[ 221.654635][ T4917] ? mem_cgroup_oom_trylock+0x210/0x210
[ 221.654665][ T4917] ? do_raw_spin_unlock+0x11d/0x230
[ 221.654687][ T4917] try_charge_memcg+0xc9d/0x17c0
[ 221.654727][ T4917] ? percpu_ref_put+0x180/0x180
[ 221.654750][ T4917] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 221.654779][ T4917] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 221.654802][ T4917] ? percpu_ref_tryget+0x15/0x180
[ 221.654824][ T4917] ? percpu_ref_tryget+0x15/0x180
[ 221.654845][ T4917] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 221.654872][ T4917] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 221.654898][ T4917] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 221.654923][ T4917] obj_cgroup_charge+0x36a/0x620
[ 221.654947][ T4917] ? obj_cgroup_charge+0xe9/0x620
[ 221.654967][ T4917] ? mod_objcg_mlstate+0x320/0x320
[ 221.654994][ T4917] ? percpu_ref_put+0x12/0x100
[ 221.655014][ T4917] ? percpu_ref_put+0x12/0x100
[ 221.655037][ T4917] slab_pre_alloc_hook+0x2e2/0x300
[ 221.655055][ T4917] ? slab_pre_alloc_hook+0xb1/0x300
[ 221.655078][ T4917] kmem_cache_alloc_lru+0x49/0x2e0
[ 221.655095][ T4917] ? __d_alloc+0x2e/0x6e0
[ 221.655117][ T4917] __d_alloc+0x2e/0x6e0
[ 221.655137][ T4917] d_alloc+0x46/0x250
[ 221.655156][ T4917] lookup_one_qstr_excl+0xc6/0x240
[ 221.655177][ T4917] filename_create+0x242/0x450
[ 221.655201][ T4917] ? kern_path_create+0x50/0x50
[ 221.655221][ T4917] ? __virt_addr_valid+0x467/0x540
[ 221.655251][ T4917] do_mkdirat+0xa5/0x440
[ 221.655272][ T4917] ? vfs_mkdir+0x570/0x570
[ 221.655299][ T4917] __x64_sys_mkdirat+0x85/0x90
[ 221.655318][ T4917] do_syscall_64+0x4c/0xa0
[ 221.655338][ T4917] ? clear_bhb_loop+0x60/0xb0
[ 221.655359][ T4917] ? clear_bhb_loop+0x60/0xb0
[ 221.655381][ T4917] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 221.655401][ T4917] RIP: 0033:0x7f27fb39e0d9
[ 221.655419][ T4917] 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
[ 221.655434][ T4917] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 221.655454][ T4917] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 221.655467][ T4917] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 221.655480][ T4917] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 221.655492][ T4917] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 221.655504][ T4917] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 221.655532][ T4917]
[ 221.698194][ T4917] memory: usage 96kB, limit 96kB, failcnt 62946
[ 221.785885][ T4441] Failed to create system directory ocfs2
[ 221.813958][ T49] Bluetooth: hci24: unexpected cc 0x1001 length: 249 > 9
[ 221.815557][ T4441] Could not create directory for event ocfs2_replay_journal_recovered
[ 221.835566][ T49] Bluetooth: hci24: unexpected cc 0x0c23 length: 249 > 4
[ 221.883865][ T4917] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 221.904336][ T4399] Bluetooth: hci24: unexpected cc 0x0c25 length: 249 > 3
[ 221.916104][ T4917] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 221.930810][ T4399] Bluetooth: hci24: unexpected cc 0x0c38 length: 249 > 2
[ 221.938724][ T4917] Memory cgroup stats for
[ 222.053694][ T4892] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.073259][ T4441] Failed to create system directory ocfs2
[ 222.079236][ T4441] Could not create directory for event ocfs2_recovery_thread
[ 222.121182][ T4441] Failed to create system directory ocfs2
[ 222.126122][ T4917] /syz2/test:
[ 222.127108][ T4917] anon 0
[ 222.127108][ T4917] file 0
[ 222.127108][ T4917] kernel 98304
[ 222.127108][ T4917] kernel_stack 0
[ 222.127108][ T4917] pagetables 0
[ 222.127108][ T4917] sec_pagetables 0
[ 222.127108][ T4917] percpu 0
[ 222.127108][ T4917] sock 0
[ 222.127108][ T4917] vmalloc 0
[ 222.127108][ T4917] shmem 0
[ 222.127108][ T4917] zswap 0
[ 222.127108][ T4917] zswapped 0
[ 222.127108][ T4917] file_mapped 0
[ 222.127108][ T4917] file_dirty 0
[ 222.127108][ T4917] file_writeback 0
[ 222.127108][ T4917] swapcached 0
[ 222.127108][ T4917] anon_thp 0
[ 222.127108][ T4917] file_thp 0
[ 222.127108][ T4917] shmem_thp 0
[ 222.127108][ T4917] inactive_anon 0
[ 222.127108][ T4917] active_anon 0
[ 222.127108][ T4917] inactive_file 0
[ 222.127108][ T4917] active_file 0
[ 222.127108][ T4917] unevictable 0
[ 222.127108][ T4917] slab_reclaimable 94912
[ 222.127108][ T4917] slab_unreclaimable 2016
[ 222.127108][ T4917] slab 96928
[ 222.127108][ T4917] workingset_refault_anon 0
[ 222.151000][ T4441] Could not create directory for event ocfs2_recovery_thread_end
[ 222.277460][ T4441] Failed to create system directory ocfs2
[ 222.283376][ T4441] Could not create directory for event ocfs2_recovery_thread_node
[ 222.286681][ T4892] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.312092][ T4441] Failed to create system directory ocfs2
[ 222.318179][ T4441] Could not create directory for event ocfs2_complete_recovery_slot
[ 222.339616][ T4917] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.147,pid=4917,uid=0
[ 222.366813][ T49] Bluetooth: hci23: command 0x0419 tx timeout
[ 222.373022][ T49] Bluetooth: hci22: command 0x0419 tx timeout
[ 222.395278][ T4917] Memory cgroup out of memory: Killed process 4917 (syz.2.147) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 222.414065][ T4441] Failed to create system directory ocfs2
[ 222.422289][ T4441] Could not create directory for event ocfs2_complete_recovery_end
[ 222.497643][ T4441] Failed to create system directory ocfs2
[ 222.503434][ T4441] Could not create directory for event ocfs2_complete_recovery
[ 222.577467][ T4894] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.604185][ T4923] syz.2.149 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 222.624130][ T4923] CPU: 1 PID: 4923 Comm: syz.2.149 Not tainted syzkaller #0
[ 222.631467][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 222.641540][ T4923] Call Trace:
[ 222.644829][ T4923]
[ 222.647776][ T4923] dump_stack_lvl+0x188/0x24e
[ 222.652469][ T4923] ? ___ratelimit+0x14e/0x610
[ 222.653613][ T4441] Failed to create system directory ocfs2
[ 222.657148][ T4923] ? show_regs_print_info+0x12/0x12
[ 222.657172][ T4923] ? load_image+0x410/0x410
[ 222.657188][ T4923] ? ___ratelimit+0x474/0x610
[ 222.657214][ T4923] ? radix_tree_cpu_dead+0x160/0x160
[ 222.662935][ T4441] Could not create directory for event ocfs2_journal_shutdown_wait
[ 222.668130][ T4923] dump_header+0xd8/0x820
[ 222.668154][ T4923] oom_kill_process+0x361/0x550
[ 222.668176][ T4923] out_of_memory+0xe25/0x1220
[ 222.668197][ T4923] ? print_unlock_imbalance_bug+0x160/0x160
[ 222.668222][ T4923] ? mutex_lock_nested+0x10/0x10
[ 222.668250][ T4923] ? unregister_oom_notifier+0x20/0x20
[ 222.668277][ T4923] mem_cgroup_out_of_memory+0x2c0/0x390
[ 222.668302][ T4923] ? mem_cgroup_oom_trylock+0x210/0x210
[ 222.668330][ T4923] ? do_raw_spin_unlock+0x11d/0x230
[ 222.736896][ T4923] try_charge_memcg+0xc9d/0x17c0
[ 222.741856][ T4923] ? percpu_ref_put+0x180/0x180
[ 222.746709][ T4923] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 222.752441][ T4923] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 222.758422][ T4923] ? percpu_ref_tryget+0x15/0x180
[ 222.763448][ T4923] ? percpu_ref_tryget+0x15/0x180
[ 222.768469][ T4923] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 222.774191][ T4923] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 222.779925][ T4923] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 222.785735][ T4923] obj_cgroup_charge+0x36a/0x620
[ 222.790704][ T4923] ? obj_cgroup_charge+0xe9/0x620
[ 222.795732][ T4923] ? mod_objcg_mlstate+0x320/0x320
[ 222.800849][ T4923] ? percpu_ref_put+0x12/0x100
[ 222.805607][ T4923] ? percpu_ref_put+0x12/0x100
[ 222.810366][ T4923] slab_pre_alloc_hook+0x2e2/0x300
[ 222.815472][ T4923] ? slab_pre_alloc_hook+0xb1/0x300
[ 222.820673][ T4923] kmem_cache_alloc_lru+0x49/0x2e0
[ 222.825776][ T4923] ? __d_alloc+0x2e/0x6e0
[ 222.830102][ T4923] __d_alloc+0x2e/0x6e0
[ 222.834253][ T4923] d_alloc+0x46/0x250
[ 222.838247][ T4923] lookup_one_qstr_excl+0xc6/0x240
[ 222.843364][ T4923] filename_create+0x242/0x450
[ 222.848126][ T4923] ? kern_path_create+0x50/0x50
[ 222.852971][ T4923] ? __virt_addr_valid+0x467/0x540
[ 222.858268][ T4923] do_mkdirat+0xa5/0x440
[ 222.862506][ T4923] ? vfs_mkdir+0x570/0x570
[ 222.866921][ T4923] __x64_sys_mkdirat+0x85/0x90
[ 222.871679][ T4923] do_syscall_64+0x4c/0xa0
[ 222.876093][ T4923] ? clear_bhb_loop+0x60/0xb0
[ 222.880772][ T4923] ? clear_bhb_loop+0x60/0xb0
[ 222.885455][ T4923] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 222.891344][ T4923] RIP: 0033:0x7f27fb39e0d9
[ 222.895756][ T4923] 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
[ 222.915355][ T4923] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 222.923767][ T4923] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 222.931732][ T4923] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 222.939702][ T4923] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 222.947670][ T4923] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 222.955635][ T4923] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 222.963615][ T4923]
[ 222.983354][ T4918] chnl_net:caif_netlink_parms(): no params data found
[ 223.036697][ T4894] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 223.063861][ T4923] memory: usage 96kB, limit 96kB, failcnt 63284
[ 223.070233][ T4923] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 223.078315][ T4923] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 223.093067][ T4441] Failed to create system directory ocfs2
[ 223.099159][ T4441] Could not create directory for event ocfs2_journal_shutdown
[ 223.126761][ T4441] Failed to create system directory ocfs2
[ 223.132744][ T4441] Could not create directory for event ocfs2_journal_init_maxlen
[ 223.144526][ T4923] Memory cgroup stats for /syz2/test:
[ 223.144686][ T4923] anon 0
[ 223.144686][ T4923] file 0
[ 223.144686][ T4923] kernel 98304
[ 223.144686][ T4923] kernel_stack 0
[ 223.144686][ T4923] pagetables 0
[ 223.144686][ T4923] sec_pagetables 0
[ 223.144686][ T4923] percpu 0
[ 223.144686][ T4923] sock 0
[ 223.144686][ T4923] vmalloc 0
[ 223.144686][ T4923] shmem 0
[ 223.144686][ T4923] zswap 0
[ 223.144686][ T4923] zswapped 0
[ 223.144686][ T4923] file_mapped 0
[ 223.144686][ T4923] file_dirty 0
[ 223.144686][ T4923] file_writeback 0
[ 223.144686][ T4923] swapcached 0
[ 223.144686][ T4923] anon_thp 0
[ 223.144686][ T4923] file_thp 0
[ 223.144686][ T4923] shmem_thp 0
[ 223.144686][ T4923] inactive_anon 0
[ 223.144686][ T4923] active_anon 0
[ 223.144686][ T4923] inactive_file 0
[ 223.144686][ T4923] active_file 0
[ 223.144686][ T4923] unevictable 0
[ 223.144686][ T4923] slab_reclaimable 94912
[ 223.144686][ T4923] slab_unreclaimable 2016
[ 223.144686][ T4923] slab 96928
[ 223.144686][ T4923] workingset_refault_anon 0
[ 223.161845][ T4441] Failed to create system directory ocfs2
[ 223.246734][ T4923] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.149,pid=4923,uid=0
[ 223.276518][ T4894] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 223.288358][ T4441] Could not create directory for event ocfs2_journal_init
[ 223.304224][ T4923] Memory cgroup out of memory: Killed process 4923 (syz.2.149) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 223.308788][ T4918] bridge0: port 1(bridge_slave_0) entered blocking state
[ 223.328086][ T4918] bridge0: port 1(bridge_slave_0) entered disabled state
[ 223.336830][ T4918] device bridge_slave_0 entered promiscuous mode
[ 223.346111][ T4918] bridge0: port 2(bridge_slave_1) entered blocking state
[ 223.353210][ T4918] bridge0: port 2(bridge_slave_1) entered disabled state
[ 223.365453][ T4918] device bridge_slave_1 entered promiscuous mode
[ 223.375709][ T4441] Failed to create system directory ocfs2
[ 223.381459][ T4441] Could not create directory for event ocfs2_journal_dirty
[ 223.416475][ T4894] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 223.468414][ T4927] syz.2.150 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 223.482891][ T4441] Failed to create system directory ocfs2
[ 223.500271][ T4918] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 223.510073][ T4441] Could not create directory for event ocfs2_journal_access
[ 223.523896][ T4927] CPU: 1 PID: 4927 Comm: syz.2.150 Not tainted syzkaller #0
[ 223.531225][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 223.539858][ T4918] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 223.541273][ T4927] Call Trace:
[ 223.541281][ T4927]
[ 223.556522][ T4927] dump_stack_lvl+0x188/0x24e
[ 223.561222][ T4927] ? ___ratelimit+0x14e/0x610
[ 223.565927][ T4927] ? show_regs_print_info+0x12/0x12
[ 223.571149][ T4927] ? load_image+0x410/0x410
[ 223.572170][ T4918] team0: Port device team_slave_0 added
[ 223.575646][ T4927] ? ___ratelimit+0x474/0x610
[ 223.575677][ T4927] ? radix_tree_cpu_dead+0x160/0x160
[ 223.575702][ T4927] dump_header+0xd8/0x820
[ 223.575727][ T4927] oom_kill_process+0x361/0x550
[ 223.575749][ T4927] out_of_memory+0xe25/0x1220
[ 223.575772][ T4927] ? print_unlock_imbalance_bug+0x160/0x160
[ 223.575796][ T4927] ? mutex_lock_nested+0x10/0x10
[ 223.575820][ T4927] ? unregister_oom_notifier+0x20/0x20
[ 223.575846][ T4927] mem_cgroup_out_of_memory+0x2c0/0x390
[ 223.575870][ T4927] ? mem_cgroup_oom_trylock+0x210/0x210
[ 223.575899][ T4927] ? do_raw_spin_unlock+0x11d/0x230
[ 223.575918][ T4927] try_charge_memcg+0xc9d/0x17c0
[ 223.584253][ T4918] team0: Port device team_slave_1 added
[ 223.586246][ T4927] ? percpu_ref_put+0x180/0x180
[ 223.616801][ T4918] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 223.621715][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 223.665896][ T4927] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 223.671909][ T4927] ? percpu_ref_tryget+0x15/0x180
[ 223.676929][ T4927] ? percpu_ref_tryget+0x15/0x180
[ 223.681972][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 223.687686][ T4927] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 223.693404][ T4927] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 223.699207][ T4927] obj_cgroup_charge+0x36a/0x620
[ 223.704141][ T4927] ? obj_cgroup_charge+0xe9/0x620
[ 223.709178][ T4927] ? mod_objcg_mlstate+0x320/0x320
[ 223.714287][ T4927] ? percpu_ref_put+0x12/0x100
[ 223.719046][ T4927] ? percpu_ref_put+0x12/0x100
[ 223.723804][ T4927] slab_pre_alloc_hook+0x2e2/0x300
[ 223.728908][ T4927] ? slab_pre_alloc_hook+0xb1/0x300
[ 223.734111][ T4927] kmem_cache_alloc_lru+0x49/0x2e0
[ 223.739214][ T4927] ? __d_alloc+0x2e/0x6e0
[ 223.743557][ T4927] __d_alloc+0x2e/0x6e0
[ 223.747722][ T4927] d_alloc+0x46/0x250
[ 223.751715][ T4927] lookup_one_qstr_excl+0xc6/0x240
[ 223.756839][ T4927] filename_create+0x242/0x450
[ 223.761617][ T4927] ? kern_path_create+0x50/0x50
[ 223.766461][ T4927] ? __virt_addr_valid+0x467/0x540
[ 223.771576][ T4927] do_mkdirat+0xa5/0x440
[ 223.775818][ T4927] ? vfs_mkdir+0x570/0x570
[ 223.780233][ T4927] __x64_sys_mkdirat+0x85/0x90
[ 223.784991][ T4927] do_syscall_64+0x4c/0xa0
[ 223.789400][ T4927] ? clear_bhb_loop+0x60/0xb0
[ 223.794068][ T4927] ? clear_bhb_loop+0x60/0xb0
[ 223.798749][ T4927] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 223.804641][ T4927] RIP: 0033:0x7f27fb39e0d9
[ 223.809045][ 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
[ 223.828643][ T4927] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 223.837053][ T4927] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 223.845015][ T4927] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 223.852986][ T4927] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 223.860954][ T4927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 223.868918][ T4927] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 223.876897][ T4927]
[ 223.886245][ T4918] 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.
[ 223.928075][ T4918] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 223.953970][ T4918] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 223.962421][ T4918] 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.
[ 223.988663][ T4918] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 224.024058][ T49] Bluetooth: hci24: command 0x0409 tx timeout
[ 224.067760][ T4927] memory: usage 96kB, limit 96kB, failcnt 63487
[ 224.074422][ T4927] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 224.082554][ T4927] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 224.087296][ T4894] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 224.089697][ T4927] Memory cgroup stats for /syz2/test:
[ 224.096448][ T4927] anon 0
[ 224.096448][ T4927] file 0
[ 224.096448][ T4927] kernel 98304
[ 224.096448][ T4927] kernel_stack 0
[ 224.096448][ T4927] pagetables 0
[ 224.096448][ T4927] sec_pagetables 0
[ 224.096448][ T4927] percpu 0
[ 224.096448][ T4927] sock 0
[ 224.096448][ T4927] vmalloc 0
[ 224.096448][ T4927] shmem 0
[ 224.096448][ T4927] zswap 0
[ 224.096448][ T4927] zswapped 0
[ 224.096448][ T4927] file_mapped 0
[ 224.096448][ T4927] file_dirty 0
[ 224.096448][ T4927] file_writeback 0
[ 224.096448][ T4927] swapcached 0
[ 224.096448][ T4927] anon_thp 0
[ 224.096448][ T4927] file_thp 0
[ 224.096448][ T4927] shmem_thp 0
[ 224.096448][ T4927] inactive_anon 0
[ 224.096448][ T4927] active_anon 0
[ 224.096448][ T4927] inactive_file 0
[ 224.096448][ T4927] active_file 0
[ 224.096448][ T4927] unevictable 0
[ 224.096448][ T4927] slab_reclaimable 94912
[ 224.096448][ T4927] slab_unreclaimable 2016
[ 224.096448][ T4927] slab 96928
[ 224.096448][ T4927] workingset_refault_anon 0
[ 224.125075][ T4441] Failed to create system directory ocfs2
[ 224.209143][ T4927] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.150,pid=4927,uid=0
[ 224.225563][ T4441] Could not create directory for event ocfs2_allocate_extend_trans
[ 224.229179][ T4918] device hsr_slave_0 entered promiscuous mode
[ 224.233563][ T4927] Memory cgroup out of memory: Killed process 4927 (syz.2.150) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 224.256942][ T4918] device hsr_slave_1 entered promiscuous mode
[ 224.273804][ T4918] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 224.276033][ T4441] Failed to create system directory ocfs2
[ 224.281377][ T4918] Cannot create hsr debugfs directory
[ 224.281912][ T4894] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 224.295400][ T4441] Could not create directory for event ocfs2_extend_trans_restart
[ 224.336928][ T4894] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 224.354932][ T4894] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 224.389548][ T4928] syz.2.151 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 224.416354][ T4441] Failed to create system directory ocfs2
[ 224.422224][ T4928] CPU: 0 PID: 4928 Comm: syz.2.151 Not tainted syzkaller #0
[ 224.429529][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 224.439601][ T4928] Call Trace:
[ 224.442888][ T4928]
[ 224.445835][ T4928] dump_stack_lvl+0x188/0x24e
[ 224.450532][ T4928] ? ___ratelimit+0x14e/0x610
[ 224.455228][ T4928] ? show_regs_print_info+0x12/0x12
[ 224.460445][ T4928] ? load_image+0x410/0x410
[ 224.464951][ T4928] ? ___ratelimit+0x474/0x610
[ 224.469644][ T4928] ? radix_tree_cpu_dead+0x160/0x160
[ 224.474975][ T4928] dump_header+0xd8/0x820
[ 224.479340][ T4928] oom_kill_process+0x361/0x550
[ 224.484210][ T4928] out_of_memory+0xe25/0x1220
[ 224.488913][ T4928] ? print_unlock_imbalance_bug+0x160/0x160
[ 224.492317][ T4441] Could not create directory for event ocfs2_assure_trans_credits
[ 224.494811][ T4928] ? mutex_lock_nested+0x10/0x10
[ 224.494842][ T4928] ? unregister_oom_notifier+0x20/0x20
[ 224.494868][ T4928] mem_cgroup_out_of_memory+0x2c0/0x390
[ 224.518581][ T4928] ? mem_cgroup_oom_trylock+0x210/0x210
[ 224.524162][ T4928] ? do_raw_spin_unlock+0x11d/0x230
[ 224.529379][ T4928] try_charge_memcg+0xc9d/0x17c0
[ 224.534357][ T4928] ? percpu_ref_put+0x180/0x180
[ 224.539233][ T4928] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 224.544977][ T4928] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 224.550970][ T4928] ? percpu_ref_tryget+0x15/0x180
[ 224.556003][ T4928] ? percpu_ref_tryget+0x15/0x180
[ 224.561043][ T4928] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 224.566779][ T4928] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 224.572515][ T4928] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 224.578343][ T4928] obj_cgroup_charge+0x36a/0x620
[ 224.583300][ T4928] ? obj_cgroup_charge+0xe9/0x620
[ 224.585122][ T4441] Failed to create system directory ocfs2
[ 224.588324][ T4928] ? mod_objcg_mlstate+0x320/0x320
[ 224.599169][ T4928] ? percpu_ref_put+0x12/0x100
[ 224.603945][ T4928] ? percpu_ref_put+0x12/0x100
[ 224.607098][ T4441] Could not create directory for event ocfs2_extend_trans
[ 224.608706][ T4928] slab_pre_alloc_hook+0x2e2/0x300
[ 224.620919][ T4928] ? slab_pre_alloc_hook+0xb1/0x300
[ 224.626135][ T4928] kmem_cache_alloc_lru+0x49/0x2e0
[ 224.631269][ T4928] ? __d_alloc+0x2e/0x6e0
[ 224.635617][ T4928] __d_alloc+0x2e/0x6e0
[ 224.639792][ T4928] d_alloc+0x46/0x250
[ 224.643793][ T4928] lookup_one_qstr_excl+0xc6/0x240
[ 224.648925][ T4928] filename_create+0x242/0x450
[ 224.653229][ T4892] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 224.653701][ T4928] ? kern_path_create+0x50/0x50
[ 224.665237][ T4928] ? __virt_addr_valid+0x467/0x540
[ 224.670410][ T4928] do_mkdirat+0xa5/0x440
[ 224.674703][ T4928] ? vfs_mkdir+0x570/0x570
[ 224.679153][ T4928] __x64_sys_mkdirat+0x85/0x90
[ 224.683931][ T4928] do_syscall_64+0x4c/0xa0
[ 224.688363][ T4928] ? clear_bhb_loop+0x60/0xb0
[ 224.693054][ T4928] ? clear_bhb_loop+0x60/0xb0
[ 224.697747][ T4928] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 224.703673][ T4928] RIP: 0033:0x7f27fb39e0d9
[ 224.708105][ T4928] 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
[ 224.715190][ T4441] Failed to create system directory ocfs2
[ 224.727802][ T4928] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 224.727828][ T4928] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 224.727841][ T4928] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 224.727852][ T4928] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 224.727862][ T4928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 224.727872][ T4928] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 224.727897][ T4928]
[ 224.768567][ T4928] memory: usage 96kB, limit 96kB, failcnt 63693
[ 224.798394][ T4892] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 224.805302][ T4928] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 224.812896][ T4928] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 224.815509][ T4892] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 224.853670][ T4928] Memory cgroup stats for /syz2/test:
[ 224.853905][ T4928] anon 0
[ 224.853905][ T4928] file 0
[ 224.853905][ T4928] kernel 98304
[ 224.853905][ T4928] kernel_stack 0
[ 224.853905][ T4928] pagetables 0
[ 224.853905][ T4928] sec_pagetables 0
[ 224.853905][ T4928] percpu 0
[ 224.853905][ T4928] sock 0
[ 224.853905][ T4928] vmalloc 0
[ 224.853905][ T4928] shmem 0
[ 224.853905][ T4928] zswap 0
[ 224.853905][ T4928] zswapped 0
[ 224.853905][ T4928] file_mapped 0
[ 224.853905][ T4928] file_dirty 0
[ 224.853905][ T4928] file_writeback 0
[ 224.853905][ T4928] swapcached 0
[ 224.853905][ T4928] anon_thp 0
[ 224.853905][ T4928] file_thp 0
[ 224.853905][ T4928] shmem_thp 0
[ 224.853905][ T4928] inactive_anon 0
[ 224.853905][ T4928] active_anon 0
[ 224.853905][ T4928] inactive_file 0
[ 224.853905][ T4928] active_file 0
[ 224.853905][ T4928] unevictable 0
[ 224.853905][ T4928] slab_reclaimable 94912
[ 224.853905][ T4928] slab_unreclaimable 2016
[ 224.853905][ T4928] slab 96928
[ 224.853905][ T4928] workingset_refault_anon 0
[ 224.959219][ T4928] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.151,pid=4928,uid=0
[ 224.983707][ T4892] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 225.008212][ T4441] Could not create directory for event ocfs2_commit_cache_end
[ 225.043161][ T4928] Memory cgroup out of memory: Killed process 4928 (syz.2.151) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 225.179465][ T4441] Failed to create system directory ocfs2
[ 225.185916][ T4441] Could not create directory for event ocfs2_commit_cache_begin
[ 225.207354][ T4894] 8021q: adding VLAN 0 to HW filter on device bond0
[ 225.268860][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 225.286514][ T4441] Failed to create system directory ocfs2
[ 225.292380][ T4441] Could not create directory for event ocfs2_encode_fh_type
[ 225.301365][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 225.311956][ T4894] 8021q: adding VLAN 0 to HW filter on device team0
[ 225.327016][ T4892] 8021q: adding VLAN 0 to HW filter on device bond0
[ 225.359095][ T4929] syz.2.152 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 225.369184][ T4929] CPU: 1 PID: 4929 Comm: syz.2.152 Not tainted syzkaller #0
[ 225.376494][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.386653][ T4929] Call Trace:
[ 225.389956][ T4929]
[ 225.392903][ T4929] dump_stack_lvl+0x188/0x24e
[ 225.397632][ T4929] ? ___ratelimit+0x14e/0x610
[ 225.402341][ T4929] ? show_regs_print_info+0x12/0x12
[ 225.402983][ T4441] Failed to create system directory ocfs2
[ 225.407551][ T4929] ? load_image+0x410/0x410
[ 225.407576][ T4929] ? ___ratelimit+0x474/0x610
[ 225.407602][ T4929] ? radix_tree_cpu_dead+0x160/0x160
[ 225.407628][ T4929] dump_header+0xd8/0x820
[ 225.407652][ T4929] oom_kill_process+0x361/0x550
[ 225.407678][ T4929] out_of_memory+0xe25/0x1220
[ 225.413662][ T4441] Could not create directory for event ocfs2_encode_fh_parent
[ 225.417872][ T4929] ? print_unlock_imbalance_bug+0x160/0x160
[ 225.417902][ T4929] ? mutex_lock_nested+0x10/0x10
[ 225.417928][ T4929] ? unregister_oom_notifier+0x20/0x20
[ 225.417955][ T4929] mem_cgroup_out_of_memory+0x2c0/0x390
[ 225.417979][ T4929] ? mem_cgroup_oom_trylock+0x210/0x210
[ 225.418007][ T4929] ? do_raw_spin_unlock+0x11d/0x230
[ 225.418030][ T4929] try_charge_memcg+0xc9d/0x17c0
[ 225.418069][ T4929] ? percpu_ref_put+0x180/0x180
[ 225.462932][ T4441] Failed to create system directory ocfs2
[ 225.465503][ T4929] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 225.465539][ T4929] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 225.465563][ T4929] ? percpu_ref_tryget+0x15/0x180
[ 225.465591][ T4929] ? percpu_ref_tryget+0x15/0x180
[ 225.465612][ T4929] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 225.465634][ T4929] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 225.465655][ T4929] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 225.465677][ T4929] obj_cgroup_charge+0x36a/0x620
[ 225.465700][ T4929] ? obj_cgroup_charge+0xe9/0x620
[ 225.465720][ T4929] ? mod_objcg_mlstate+0x320/0x320
[ 225.465747][ T4929] ? percpu_ref_put+0x12/0x100
[ 225.465766][ T4929] ? percpu_ref_put+0x12/0x100
[ 225.465789][ T4929] slab_pre_alloc_hook+0x2e2/0x300
[ 225.465809][ T4929] ? slab_pre_alloc_hook+0xb1/0x300
[ 225.465831][ T4929] kmem_cache_alloc_lru+0x49/0x2e0
[ 225.465849][ T4929] ? __d_alloc+0x2e/0x6e0
[ 225.465870][ T4929] __d_alloc+0x2e/0x6e0
[ 225.465891][ T4929] d_alloc+0x46/0x250
[ 225.465910][ T4929] lookup_one_qstr_excl+0xc6/0x240
[ 225.465931][ T4929] filename_create+0x242/0x450
[ 225.465953][ T4929] ? kern_path_create+0x50/0x50
[ 225.465973][ T4929] ? __virt_addr_valid+0x467/0x540
[ 225.466002][ T4929] do_mkdirat+0xa5/0x440
[ 225.466024][ T4929] ? vfs_mkdir+0x570/0x570
[ 225.466050][ T4929] __x64_sys_mkdirat+0x85/0x90
[ 225.466070][ T4929] do_syscall_64+0x4c/0xa0
[ 225.466091][ T4929] ? clear_bhb_loop+0x60/0xb0
[ 225.466111][ T4929] ? clear_bhb_loop+0x60/0xb0
[ 225.466134][ T4929] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 225.466153][ T4929] RIP: 0033:0x7f27fb39e0d9
[ 225.466171][ T4929] 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
[ 225.466186][ T4929] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 225.466208][ T4929] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 225.466222][ T4929] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 225.466234][ T4929] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 225.466246][ T4929] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 225.466257][ T4929] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 225.466286][ T4929]
[ 225.533272][ T4929] memory: usage 96kB, limit 96kB, failcnt 63873
[ 225.724092][ T4441] Could not create directory for event ocfs2_encode_fh_self
[ 225.730580][ T4929] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 225.744522][ T4929] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 225.749871][ T4918] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 225.751469][ T4929] Memory cgroup stats for /syz2/test:
[ 225.765621][ T4929] anon 0
[ 225.765621][ T4929] file 0
[ 225.765621][ T4929] kernel 98304
[ 225.765621][ T4929] kernel_stack 0
[ 225.765621][ T4929] pagetables 0
[ 225.765621][ T4929] sec_pagetables 0
[ 225.765621][ T4929] percpu 0
[ 225.765621][ T4929] sock 0
[ 225.765621][ T4929] vmalloc 0
[ 225.765621][ T4929] shmem 0
[ 225.765621][ T4929] zswap 0
[ 225.765621][ T4929] zswapped 0
[ 225.765621][ T4929] file_mapped 0
[ 225.765621][ T4929] file_dirty 0
[ 225.765621][ T4929] file_writeback 0
[ 225.765621][ T4929] swapcached 0
[ 225.765621][ T4929] anon_thp 0
[ 225.765621][ T4929] file_thp 0
[ 225.765621][ T4929] shmem_thp 0
[ 225.765621][ T4929] inactive_anon 0
[ 225.765621][ T4929] active_anon 0
[ 225.765621][ T4929] inactive_file 0
[ 225.765621][ T4929] active_file 0
[ 225.765621][ T4929] unevictable 0
[ 225.765621][ T4929] slab_reclaimable 94912
[ 225.765621][ T4929] slab_unreclaimable 2016
[ 225.765621][ T4929] slab 96928
[ 225.765621][ T4929] workingset_refault_anon 0
[ 225.857681][ T4441] Failed to create system directory ocfs2
[ 225.867808][ T4929] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.152,pid=4929,uid=0
[ 225.867924][ T4929] Memory cgroup out of memory: Killed process 4929 (syz.2.152) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 225.907573][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 225.915865][ T4441] Could not create directory for event ocfs2_encode_fh_begin
[ 225.940375][ T4930] syz.2.153 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 225.952656][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 225.955602][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 225.969005][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 225.978546][ T4930] CPU: 0 PID: 4930 Comm: syz.2.153 Not tainted syzkaller #0
[ 225.985868][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 225.995972][ T4930] Call Trace:
[ 225.999267][ T4930]
[ 226.002215][ T4930] dump_stack_lvl+0x188/0x24e
[ 226.006914][ T4930] ? ___ratelimit+0x14e/0x610
[ 226.011612][ T4930] ? show_regs_print_info+0x12/0x12
[ 226.016834][ T4930] ? load_image+0x410/0x410
[ 226.021353][ T4930] ? ___ratelimit+0x474/0x610
[ 226.021847][ T4441] Failed to create system directory ocfs2
[ 226.026071][ T4930] ? radix_tree_cpu_dead+0x160/0x160
[ 226.026101][ T4930] dump_header+0xd8/0x820
[ 226.026125][ T4930] oom_kill_process+0x361/0x550
[ 226.026147][ T4930] out_of_memory+0xe25/0x1220
[ 226.026168][ T4930] ? print_unlock_imbalance_bug+0x160/0x160
[ 226.026193][ T4930] ? mutex_lock_nested+0x10/0x10
[ 226.026221][ T4930] ? unregister_oom_notifier+0x20/0x20
[ 226.026250][ T4930] mem_cgroup_out_of_memory+0x2c0/0x390
[ 226.026276][ T4930] ? mem_cgroup_oom_trylock+0x210/0x210
[ 226.026306][ T4930] ? do_raw_spin_unlock+0x11d/0x230
[ 226.026328][ T4930] try_charge_memcg+0xc9d/0x17c0
[ 226.026371][ T4930] ? percpu_ref_put+0x180/0x180
[ 226.026394][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.026424][ T4930] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 226.026448][ T4930] ? percpu_ref_tryget+0x15/0x180
[ 226.026469][ T4930] ? percpu_ref_tryget+0x15/0x180
[ 226.026491][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.026514][ T4930] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.026539][ T4930] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 226.026564][ T4930] obj_cgroup_charge+0x36a/0x620
[ 226.026587][ T4930] ? obj_cgroup_charge+0xe9/0x620
[ 226.026607][ T4930] ? mod_objcg_mlstate+0x320/0x320
[ 226.026633][ T4930] ? percpu_ref_put+0x12/0x100
[ 226.026653][ T4930] ? percpu_ref_put+0x12/0x100
[ 226.026675][ T4930] slab_pre_alloc_hook+0x2e2/0x300
[ 226.026695][ T4930] ? slab_pre_alloc_hook+0xb1/0x300
[ 226.026718][ T4930] kmem_cache_alloc_lru+0x49/0x2e0
[ 226.026736][ T4930] ? __d_alloc+0x2e/0x6e0
[ 226.026759][ T4930] __d_alloc+0x2e/0x6e0
[ 226.026779][ T4930] d_alloc+0x46/0x250
[ 226.026800][ T4930] lookup_one_qstr_excl+0xc6/0x240
[ 226.026822][ T4930] filename_create+0x242/0x450
[ 226.026847][ T4930] ? kern_path_create+0x50/0x50
[ 226.026867][ T4930] ? __virt_addr_valid+0x467/0x540
[ 226.026897][ T4930] do_mkdirat+0xa5/0x440
[ 226.026918][ T4930] ? vfs_mkdir+0x570/0x570
[ 226.026943][ T4930] __x64_sys_mkdirat+0x85/0x90
[ 226.026962][ T4930] do_syscall_64+0x4c/0xa0
[ 226.026983][ T4930] ? clear_bhb_loop+0x60/0xb0
[ 226.027003][ T4930] ? clear_bhb_loop+0x60/0xb0
[ 226.027026][ T4930] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 226.027054][ T4930] RIP: 0033:0x7f27fb39e0d9
[ 226.027072][ 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
[ 226.027087][ T4930] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 226.027108][ T4930] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 226.027122][ T4930] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 226.027134][ T4930] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 226.027146][ T4930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 226.027157][ T4930] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 226.027184][ T4930]
[ 226.045171][ T4892] 8021q: adding VLAN 0 to HW filter on device team0
[ 226.173962][ T4441] Could not create directory for event ocfs2_get_parent_end
[ 226.182277][ T4399] Bluetooth: hci24: command 0x041b tx timeout
[ 226.192055][ T4930] memory: usage 96kB, limit 96kB, failcnt 63981
[ 226.222368][ T4441] Failed to create system directory ocfs2
[ 226.313973][ T4930] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 226.351973][ T4894] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 226.378527][ T4894] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 226.391182][ T4930] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 226.398460][ T4930] Memory cgroup stats for /syz2/test:
[ 226.416009][ T4930] anon 0
[ 226.416009][ T4930] file 0
[ 226.416009][ T4930] kernel 98304
[ 226.416009][ T4930] kernel_stack 0
[ 226.416009][ T4930] pagetables 0
[ 226.416009][ T4930] sec_pagetables 0
[ 226.416009][ T4930] percpu 0
[ 226.416009][ T4930] sock 0
[ 226.416009][ T4930] vmalloc 0
[ 226.416009][ T4930] shmem 0
[ 226.416009][ T4930] zswap 0
[ 226.416009][ T4930] zswapped 0
[ 226.416009][ T4930] file_mapped 0
[ 226.416009][ T4930] file_dirty 0
[ 226.416009][ T4930] file_writeback 0
[ 226.416009][ T4930] swapcached 0
[ 226.416009][ T4930] anon_thp 0
[ 226.416009][ T4930] file_thp 0
[ 226.416009][ T4930] shmem_thp 0
[ 226.416009][ T4930] inactive_anon 0
[ 226.416009][ T4930] active_anon 0
[ 226.416009][ T4930] inactive_file 0
[ 226.416009][ T4930] active_file 0
[ 226.416009][ T4930] unevictable 0
[ 226.416009][ T4930] slab_reclaimable 94912
[ 226.416009][ T4930] slab_unreclaimable 2016
[ 226.416009][ T4930] slab 96928
[ 226.416009][ T4930] workingset_refault_anon 0
[ 226.434749][ T4441] Could not create directory for event ocfs2_get_parent
[ 226.526694][ T4918] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 226.544843][ T4930] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.153,pid=4930,uid=0
[ 226.544941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 226.560725][ T4930] Memory cgroup out of memory: Killed process 4930 (syz.2.153) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
2026/08/16 23:02:29 executed programs: 144
[ 226.616589][ T4441] Failed to create system directory ocfs2
[ 226.622442][ T4441] Could not create directory for event ocfs2_get_dentry_end
[ 226.630831][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 226.660614][ T4441] Failed to create system directory ocfs2
[ 226.669817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 226.672678][ T4441] Could not create directory for event ocfs2_get_dentry_generation
[ 226.689557][ T4931] syz.2.154 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 226.700742][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 226.708212][ T4441] Failed to create system directory ocfs2
[ 226.715077][ T4441] Could not create directory for event ocfs2_get_dentry_stale
[ 226.725099][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 226.733617][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 226.740746][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 226.741357][ T4441] Failed to create system directory ocfs2
[ 226.759487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 226.772377][ T4931] CPU: 1 PID: 4931 Comm: syz.2.154 Not tainted syzkaller #0
[ 226.779689][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 226.786933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 226.789735][ T4931] Call Trace:
[ 226.800915][ T4931]
[ 226.803858][ T4931] dump_stack_lvl+0x188/0x24e
[ 226.808642][ T4931] ? ___ratelimit+0x14e/0x610
[ 226.813334][ T4931] ? show_regs_print_info+0x12/0x12
[ 226.815060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 226.818539][ T4931] ? load_image+0x410/0x410
[ 226.830917][ T4931] ? ___ratelimit+0x474/0x610
[ 226.835628][ T4931] ? radix_tree_cpu_dead+0x160/0x160
[ 226.840953][ T4931] dump_header+0xd8/0x820
[ 226.844722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 226.845288][ T4931] oom_kill_process+0x361/0x550
[ 226.857955][ T4931] out_of_memory+0xe25/0x1220
[ 226.862673][ T4931] ? print_unlock_imbalance_bug+0x160/0x160
[ 226.868585][ T4931] ? mutex_lock_nested+0x10/0x10
[ 226.873577][ T4931] ? unregister_oom_notifier+0x20/0x20
[ 226.879047][ T4931] mem_cgroup_out_of_memory+0x2c0/0x390
[ 226.884595][ T4931] ? mem_cgroup_oom_trylock+0x210/0x210
[ 226.890166][ T4931] ? do_raw_spin_unlock+0x11d/0x230
[ 226.895364][ T4931] try_charge_memcg+0xc9d/0x17c0
[ 226.900313][ T4931] ? percpu_ref_put+0x180/0x180
[ 226.905160][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.910880][ T4931] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 226.916858][ T4931] ? percpu_ref_tryget+0x15/0x180
[ 226.921875][ T4931] ? percpu_ref_tryget+0x15/0x180
[ 226.926894][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.932626][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 226.938359][ T4931] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 226.944174][ T4931] obj_cgroup_charge+0x36a/0x620
[ 226.949118][ T4931] ? obj_cgroup_charge+0xe9/0x620
[ 226.954143][ T4931] ? mod_objcg_mlstate+0x320/0x320
[ 226.959256][ T4931] ? percpu_ref_put+0x12/0x100
[ 226.964020][ T4931] ? percpu_ref_put+0x12/0x100
[ 226.968782][ T4931] slab_pre_alloc_hook+0x2e2/0x300
[ 226.973898][ T4931] ? slab_pre_alloc_hook+0xb1/0x300
[ 226.979107][ T4931] kmem_cache_alloc_lru+0x49/0x2e0
[ 226.984211][ T4931] ? __d_alloc+0x2e/0x6e0
[ 226.988537][ T4931] __d_alloc+0x2e/0x6e0
[ 226.992689][ T4931] d_alloc+0x46/0x250
[ 226.996667][ T4931] lookup_one_qstr_excl+0xc6/0x240
[ 227.001775][ T4931] filename_create+0x242/0x450
[ 227.006537][ T4931] ? kern_path_create+0x50/0x50
[ 227.011383][ T4931] ? __virt_addr_valid+0x467/0x540
[ 227.016493][ T4931] do_mkdirat+0xa5/0x440
[ 227.020731][ T4931] ? vfs_mkdir+0x570/0x570
[ 227.025146][ T4931] __x64_sys_mkdirat+0x85/0x90
[ 227.029902][ T4931] do_syscall_64+0x4c/0xa0
[ 227.034310][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 227.039066][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 227.043767][ T4931] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 227.049741][ T4931] RIP: 0033:0x7f27fb39e0d9
[ 227.054148][ 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
[ 227.073750][ T4931] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 227.082156][ T4931] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 227.090129][ T4931] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 227.098093][ T4931] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 227.106055][ T4931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 227.114025][ T4931] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 227.122023][ T4931]
[ 227.125468][ T4399] Bluetooth: hci6: command 0x0406 tx timeout
[ 227.131496][ T4399] Bluetooth: hci5: command 0x0406 tx timeout
[ 227.150256][ T4441] Could not create directory for event ocfs2_get_dentry_test_bit
[ 227.154352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 227.184712][ T4441] Failed to create system directory ocfs2
[ 227.190499][ T4441] Could not create directory for event ocfs2_get_dentry_begin
[ 227.193921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 227.214793][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 227.217395][ T4441] Failed to create system directory ocfs2
[ 227.229440][ T4441] Could not create directory for event ocfs2_dentry_attach_lock_found
[ 227.234817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 227.257316][ T4441] Failed to create system directory ocfs2
[ 227.261478][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 227.263150][ T4441] Could not create directory for event ocfs2_dentry_attach_lock
[ 227.294621][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 227.305353][ T4441] Failed to create system directory ocfs2
[ 227.305695][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 227.313841][ T4441] Could not create directory for event ocfs2_find_local_alias
[ 227.334909][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 227.348308][ T4441] Failed to create system directory ocfs2
[ 227.354155][ T4441] Could not create directory for event ocfs2_dentry_revalidate_ret
[ 227.411393][ T4918] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 227.434488][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 227.446475][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 227.461312][ T4857] bridge0: port 1(bridge_slave_0) entered blocking state
[ 227.468517][ T4857] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 227.480588][ T4441] Failed to create system directory ocfs2
[ 227.495147][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 227.502854][ T4441] Could not create directory for event ocfs2_dentry_revalidate_nofsdata
[ 227.584667][ T4931] memory: usage 96kB, limit 96kB, failcnt 64442
[ 227.596882][ T4918] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 227.612376][ T4441] Failed to create system directory ocfs2
[ 227.614067][ T4931] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 227.618544][ T4441] Could not create directory for event ocfs2_dentry_revalidate_orphaned
[ 227.635738][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 227.644821][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 227.653515][ T4857] bridge0: port 2(bridge_slave_1) entered blocking state
[ 227.660657][ T4857] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 227.661848][ T4931] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 227.684686][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 227.699438][ T4931] Memory cgroup stats for /syz2/test:
[ 227.699599][ T4931] anon 0
[ 227.699599][ T4931] file 0
[ 227.699599][ T4931] kernel 98304
[ 227.699599][ T4931] kernel_stack 0
[ 227.699599][ T4931] pagetables 0
[ 227.699599][ T4931] sec_pagetables 0
[ 227.699599][ T4931] percpu 0
[ 227.699599][ T4931] sock 0
[ 227.699599][ T4931] vmalloc 0
[ 227.699599][ T4931] shmem 0
[ 227.699599][ T4931] zswap 0
[ 227.699599][ T4931] zswapped 0
[ 227.699599][ T4931] file_mapped 0
[ 227.699599][ T4931] file_dirty 0
[ 227.699599][ T4931] file_writeback 0
[ 227.699599][ T4931] swapcached 0
[ 227.699599][ T4931] anon_thp 0
[ 227.699599][ T4931] file_thp 0
[ 227.699599][ T4931] shmem_thp 0
[ 227.699599][ T4931] inactive_anon 0
[ 227.699599][ T4931] active_anon 0
[ 227.699599][ T4931] inactive_file 0
[ 227.699599][ T4931] active_file 0
[ 227.699599][ T4931] unevictable 0
[ 227.699599][ T4931] slab_reclaimable 94912
[ 227.699599][ T4931] slab_unreclaimable 2016
[ 227.699599][ T4931] slab 96928
[ 227.699599][ T4931] workingset_refault_anon 0
[ 227.735393][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 227.813966][ T4931] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.154,pid=4931,uid=0
[ 227.826740][ T4441] Failed to create system directory ocfs2
[ 227.835732][ T4441] Could not create directory for event ocfs2_dentry_revalidate_delete
[ 227.854048][ T4931] Memory cgroup out of memory: Killed process 4931 (syz.2.154) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 227.880225][ T4441] Failed to create system directory ocfs2
[ 227.886270][ T4441] Could not create directory for event ocfs2_dentry_revalidate_negative
[ 227.900694][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 227.915874][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 227.930371][ T4857] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 227.977202][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 227.992065][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 228.011018][ T4441] Failed to create system directory ocfs2
[ 228.041674][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 228.078177][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 228.088332][ T4441] Could not create directory for event ocfs2_dentry_revalidate
[ 228.094978][ T4935] syz.2.155 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 228.115742][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 228.130934][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 228.145643][ T4935] CPU: 0 PID: 4935 Comm: syz.2.155 Not tainted syzkaller #0
[ 228.152975][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 228.163046][ T4935] Call Trace:
[ 228.166344][ T4935]
[ 228.169286][ T4935] dump_stack_lvl+0x188/0x24e
[ 228.173992][ T4935] ? ___ratelimit+0x14e/0x610
[ 228.178693][ T4935] ? show_regs_print_info+0x12/0x12
[ 228.181352][ T4441] Failed to create system directory ocfs2
[ 228.183899][ T4935] ? load_image+0x410/0x410
[ 228.183918][ T4935] ? ___ratelimit+0x474/0x610
[ 228.183944][ T4935] ? radix_tree_cpu_dead+0x160/0x160
[ 228.189710][ T4441] Could not create directory for event ocfs2_orphan_del
[ 228.194130][ T4935] dump_header+0xd8/0x820
[ 228.194156][ T4935] oom_kill_process+0x361/0x550
[ 228.220317][ T4935] out_of_memory+0xe25/0x1220
[ 228.225027][ T4935] ? print_unlock_imbalance_bug+0x160/0x160
[ 228.230941][ T4935] ? mutex_lock_nested+0x10/0x10
[ 228.235910][ T4935] ? unregister_oom_notifier+0x20/0x20
[ 228.241431][ T4935] mem_cgroup_out_of_memory+0x2c0/0x390
[ 228.246993][ T4935] ? mem_cgroup_oom_trylock+0x210/0x210
[ 228.252564][ T4935] ? do_raw_spin_unlock+0x11d/0x230
[ 228.257779][ T4935] try_charge_memcg+0xc9d/0x17c0
[ 228.262738][ T4935] ? percpu_ref_put+0x180/0x180
[ 228.267700][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 228.273435][ T4935] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 228.279424][ T4935] ? percpu_ref_tryget+0x15/0x180
[ 228.284452][ T4935] ? percpu_ref_tryget+0x15/0x180
[ 228.289564][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 228.295280][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 228.301000][ T4935] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 228.306816][ T4935] obj_cgroup_charge+0x36a/0x620
[ 228.311758][ T4935] ? obj_cgroup_charge+0xe9/0x620
[ 228.316785][ T4935] ? mod_objcg_mlstate+0x320/0x320
[ 228.321897][ T4935] ? percpu_ref_put+0x12/0x100
[ 228.326660][ T4935] ? percpu_ref_put+0x12/0x100
[ 228.331422][ T4935] slab_pre_alloc_hook+0x2e2/0x300
[ 228.336528][ T4935] ? slab_pre_alloc_hook+0xb1/0x300
[ 228.341721][ T4935] kmem_cache_alloc_lru+0x49/0x2e0
[ 228.346825][ T4935] ? __d_alloc+0x2e/0x6e0
[ 228.351150][ T4935] __d_alloc+0x2e/0x6e0
[ 228.355301][ T4935] d_alloc+0x46/0x250
[ 228.359281][ T4935] lookup_one_qstr_excl+0xc6/0x240
[ 228.364401][ T4935] filename_create+0x242/0x450
[ 228.369179][ T4935] ? kern_path_create+0x50/0x50
[ 228.374036][ T4935] ? __virt_addr_valid+0x467/0x540
[ 228.379160][ T4935] do_mkdirat+0xa5/0x440
[ 228.383420][ T4935] ? vfs_mkdir+0x570/0x570
[ 228.387844][ T4935] __x64_sys_mkdirat+0x85/0x90
[ 228.392604][ T4935] do_syscall_64+0x4c/0xa0
[ 228.397025][ T4935] ? clear_bhb_loop+0x60/0xb0
[ 228.401700][ T4935] ? clear_bhb_loop+0x60/0xb0
[ 228.406373][ T4935] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 228.412262][ T4935] RIP: 0033:0x7f27fb39e0d9
[ 228.416672][ T4935] 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
[ 228.436270][ T4935] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 228.444677][ T4935] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 228.452642][ T4935] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 228.460606][ T4935] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 228.468569][ T4935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 228.476534][ T4935] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 228.484511][ T4935]
[ 228.488292][ T49] Bluetooth: hci24: command 0x040f tx timeout
[ 228.506236][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 228.552117][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 228.562322][ T4441] Failed to create system directory ocfs2
[ 228.575291][ T4935] memory: usage 96kB, limit 96kB, failcnt 64665
[ 228.581587][ T4935] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 228.590077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 228.603212][ T4894] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 228.652046][ T4441] Could not create directory for event ocfs2_orphan_add_end
[ 228.693948][ T4935] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 228.700934][ T4935] Memory cgroup stats for /syz2/test:
[ 228.701073][ T4935] anon 0
[ 228.701073][ T4935] file 0
[ 228.701073][ T4935] kernel 98304
[ 228.701073][ T4935] kernel_stack 0
[ 228.701073][ T4935] pagetables 0
[ 228.701073][ T4935] sec_pagetables 0
[ 228.701073][ T4935] percpu 0
[ 228.701073][ T4935] sock 0
[ 228.701073][ T4935] vmalloc 0
[ 228.701073][ T4935] shmem 0
[ 228.701073][ T4935] zswap 0
[ 228.701073][ T4935] zswapped 0
[ 228.701073][ T4935] file_mapped 0
[ 228.701073][ T4935] file_dirty 0
[ 228.701073][ T4935] file_writeback 0
[ 228.701073][ T4935] swapcached 0
[ 228.701073][ T4935] anon_thp 0
[ 228.701073][ T4935] file_thp 0
[ 228.701073][ T4935] shmem_thp 0
[ 228.701073][ T4935] inactive_anon 0
[ 228.701073][ T4935] active_anon 0
[ 228.701073][ T4935] inactive_file 0
[ 228.701073][ T4935] active_file 0
[ 228.701073][ T4935] unevictable 0
[ 228.701073][ T4935] slab_reclaimable 94912
[ 228.701073][ T4935] slab_unreclaimable 2016
[ 228.701073][ T4935] slab 96928
[ 228.701073][ T4935] workingset_refault_anon 0
[ 228.824326][ T4918] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 228.929043][ T4935] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.155,pid=4935,uid=0
[ 228.953418][ T4918] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 228.974256][ T4441] Failed to create system directory ocfs2
[ 228.980189][ T4935] Memory cgroup out of memory: Killed process 4935 (syz.2.155) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 228.996291][ T4918] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 229.004322][ T4441] Could not create directory for event ocfs2_orphan_add_begin
[ 229.032805][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 229.050888][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 229.060532][ T4918] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 229.092371][ T4441] Failed to create system directory ocfs2
[ 229.101817][ T4892] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 229.144484][ T4441] Could not create directory for event ocfs2_blkno_stringify
[ 229.213600][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 229.235117][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 229.240352][ T4946] syz.2.156 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 229.283395][ T4946] CPU: 1 PID: 4946 Comm: syz.2.156 Not tainted syzkaller #0
[ 229.284792][ T4441] Failed to create system directory ocfs2
[ 229.290735][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 229.306515][ T4946] Call Trace:
[ 229.308564][ T4892] device veth0_vlan entered promiscuous mode
[ 229.309789][ T4946]
[ 229.318705][ T4946] dump_stack_lvl+0x188/0x24e
[ 229.323400][ T4946] ? ___ratelimit+0x14e/0x610
[ 229.328099][ T4946] ? show_regs_print_info+0x12/0x12
[ 229.333330][ T4946] ? load_image+0x410/0x410
[ 229.337850][ T4946] ? ___ratelimit+0x474/0x610
[ 229.342552][ T4946] ? radix_tree_cpu_dead+0x160/0x160
[ 229.347862][ T4946] dump_header+0xd8/0x820
[ 229.350558][ T4892] device veth1_vlan entered promiscuous mode
[ 229.352200][ T4946] oom_kill_process+0x361/0x550
[ 229.363032][ T4946] out_of_memory+0xe25/0x1220
[ 229.367731][ T4946] ? print_unlock_imbalance_bug+0x160/0x160
[ 229.373660][ T4946] ? mutex_lock_nested+0x10/0x10
[ 229.374891][ T4441] Could not create directory for event ocfs2_symlink_begin
[ 229.378607][ T4946] ? unregister_oom_notifier+0x20/0x20
[ 229.391323][ T4946] mem_cgroup_out_of_memory+0x2c0/0x390
[ 229.396899][ T4946] ? mem_cgroup_oom_trylock+0x210/0x210
[ 229.402479][ T4946] ? do_raw_spin_unlock+0x11d/0x230
[ 229.407698][ T4946] try_charge_memcg+0xc9d/0x17c0
[ 229.412678][ T4946] ? percpu_ref_put+0x180/0x180
[ 229.417550][ T4946] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 229.423302][ T4946] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 229.429306][ T4946] ? percpu_ref_tryget+0x15/0x180
[ 229.434354][ T4946] ? percpu_ref_tryget+0x15/0x180
[ 229.439398][ T4946] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 229.445135][ T4946] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 229.447867][ T4918] 8021q: adding VLAN 0 to HW filter on device bond0
[ 229.450851][ T4946] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 229.463237][ T4946] obj_cgroup_charge+0x36a/0x620
[ 229.468197][ T4946] ? obj_cgroup_charge+0xe9/0x620
[ 229.473243][ T4946] ? mod_objcg_mlstate+0x320/0x320
[ 229.478377][ T4946] ? percpu_ref_put+0x12/0x100
[ 229.483162][ T4946] ? percpu_ref_put+0x12/0x100
[ 229.487949][ T4946] slab_pre_alloc_hook+0x2e2/0x300
[ 229.493076][ T4946] ? slab_pre_alloc_hook+0xb1/0x300
[ 229.498285][ T4946] kmem_cache_alloc_lru+0x49/0x2e0
[ 229.501039][ T4918] 8021q: adding VLAN 0 to HW filter on device team0
[ 229.503388][ T4946] ? __d_alloc+0x2e/0x6e0
[ 229.514300][ T4946] __d_alloc+0x2e/0x6e0
[ 229.518470][ T4946] d_alloc+0x46/0x250
[ 229.522463][ T4946] lookup_one_qstr_excl+0xc6/0x240
[ 229.527582][ T4946] filename_create+0x242/0x450
[ 229.532357][ T4946] ? kern_path_create+0x50/0x50
[ 229.537225][ T4946] ? __virt_addr_valid+0x467/0x540
[ 229.542362][ T4946] do_mkdirat+0xa5/0x440
[ 229.546617][ T4946] ? vfs_mkdir+0x570/0x570
[ 229.551056][ T4946] __x64_sys_mkdirat+0x85/0x90
[ 229.555834][ T4946] do_syscall_64+0x4c/0xa0
[ 229.560260][ T4946] ? clear_bhb_loop+0x60/0xb0
[ 229.564949][ T4946] ? clear_bhb_loop+0x60/0xb0
[ 229.569639][ T4946] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 229.575543][ T4946] RIP: 0033:0x7f27fb39e0d9
[ 229.579975][ T4946] 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
[ 229.599600][ T4946] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 229.608037][ T4946] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 229.614406][ T4918] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 229.616008][ T4946] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 229.634385][ T4946] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 229.638799][ T4441] Failed to create system directory ocfs2
[ 229.642351][ T4946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 229.654127][ T4918] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 229.656017][ T4946] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 229.674342][ T4946]
[ 229.707626][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 229.717032][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 229.725218][ T4946] memory: usage 96kB, limit 96kB, failcnt 64845
[ 229.731485][ T4946] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 229.734354][ T4441] Could not create directory for event ocfs2_create_symlink_data
[ 229.746968][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 229.759512][ T4946] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 229.768090][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 229.776377][ T4946] Memory cgroup stats for /syz2/test:
[ 229.776529][ T4946] anon 0
[ 229.776529][ T4946] file 0
[ 229.776529][ T4946] kernel 98304
[ 229.776529][ T4946] kernel_stack 0
[ 229.776529][ T4946] pagetables 0
[ 229.776529][ T4946] sec_pagetables 0
[ 229.776529][ T4946] percpu 0
[ 229.776529][ T4946] sock 0
[ 229.776529][ T4946] vmalloc 0
[ 229.776529][ T4946] shmem 0
[ 229.776529][ T4946] zswap 0
[ 229.776529][ T4946] zswapped 0
[ 229.776529][ T4946] file_mapped 0
[ 229.776529][ T4946] file_dirty 0
[ 229.776529][ T4946] file_writeback 0
[ 229.776529][ T4946] swapcached 0
[ 229.776529][ T4946] anon_thp 0
[ 229.776529][ T4946] file_thp 0
[ 229.776529][ T4946] shmem_thp 0
[ 229.776529][ T4946] inactive_anon 0
[ 229.776529][ T4946] active_anon 0
[ 229.776529][ T4946] inactive_file 0
[ 229.776529][ T4946] active_file 0
[ 229.776529][ T4946] unevictable 0
[ 229.776529][ T4946] slab_reclaimable 94912
[ 229.776529][ T4946] slab_unreclaimable 2016
[ 229.776529][ T4946] slab 96928
[ 229.776529][ T4946] workingset_refault_anon 0
[ 229.881334][ T4441] Failed to create system directory ocfs2
[ 229.887531][ T4441] Could not create directory for event ocfs2_rename_over_existing
[ 229.887760][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 229.895669][ T4946] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null)
[ 229.908688][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 229.924746][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 229.928239][ T4946] ,cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.156,pid=4946,uid=0
[ 229.933204][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 229.977337][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 229.989740][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 229.999472][ T4480] bridge0: port 1(bridge_slave_0) entered blocking state
[ 230.006624][ T4480] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 230.018971][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 230.021072][ T4441] Failed to create system directory ocfs2
[ 230.029196][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 230.042292][ T4480] bridge0: port 2(bridge_slave_1) entered blocking state
[ 230.049434][ T4480] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 230.065328][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 230.074666][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 230.084080][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 230.093153][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 230.102735][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 230.113886][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 230.122593][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 230.132321][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 230.142348][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 230.152837][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 230.162142][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 230.170429][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 230.178745][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 230.187458][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 230.196272][ T4480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 230.205467][ T4441] Could not create directory for event ocfs2_rename_disagree
[ 230.207578][ T4892] device veth0_macvtap entered promiscuous mode
[ 230.219567][ T4946] Memory cgroup out of memory: Killed process 4946 (syz.2.156) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 230.252642][ T4892] device veth1_macvtap entered promiscuous mode
[ 230.288347][ T4441] Failed to create system directory ocfs2
[ 230.304428][ T4441] Could not create directory for event ocfs2_rename_target_exists
[ 230.316137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 230.335357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 230.364486][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 230.385981][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.414520][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.438426][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.458329][ T4441] Failed to create system directory ocfs2
[ 230.465432][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.479865][ T4441] Could not create directory for event ocfs2_rename_not_permitted
[ 230.487953][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.503818][ T49] Bluetooth: hci24: command 0x0419 tx timeout
[ 230.507058][ T4441] Failed to create system directory ocfs2
[ 230.515820][ T4441] Could not create directory for event ocfs2_rename
[ 230.520114][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.550954][ T4441] Failed to create system directory ocfs2
[ 230.562316][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.572880][ T4441] Could not create directory for event ocfs2_double_lock_end
[ 230.581150][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.607932][ T4441] Failed to create system directory ocfs2
[ 230.614061][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.624909][ T4441] Could not create directory for event ocfs2_double_lock
[ 230.632328][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.650107][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.676945][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.687453][ T4441] Failed to create system directory ocfs2
[ 230.693205][ T4441] Could not create directory for event ocfs2_unlink_noent
[ 230.701424][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.723962][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.731541][ T4441] Failed to create system directory ocfs2
[ 230.739961][ T4441] Could not create directory for event ocfs2_link
[ 230.744500][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.773555][ T4441] Failed to create system directory ocfs2
[ 230.774750][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.779555][ T4441] Could not create directory for event ocfs2_mknod
[ 230.804565][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.817202][ T4441] Failed to create system directory ocfs2
[ 230.822956][ T4441] Could not create directory for event ocfs2_lookup_ret
[ 230.824611][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.853893][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.861378][ T4441] Failed to create system directory ocfs2
[ 230.873143][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.884540][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.884931][ T4441] Could not create directory for event ocfs2_mv_orphaned_inode_to_new
[ 230.895131][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.916220][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.926730][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.937280][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.947801][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.952746][ T4441] Failed to create system directory ocfs2
[ 230.957723][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957739][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957750][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957761][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957781][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957793][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957807][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957818][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957835][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957847][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957856][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957867][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957882][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957894][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957910][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957921][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.957935][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 230.957947][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 230.974353][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 230.998750][ T4950] syz.2.157 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 231.068144][ T4441] Could not create directory for event ocfs2_symlink_create
[ 231.127785][ T4894] device veth0_vlan entered promiscuous mode
[ 231.193116][ T4950] CPU: 0 PID: 4950 Comm: syz.2.157 Not tainted syzkaller #0
[ 231.200437][ T4950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 231.210503][ T4950] Call Trace:
[ 231.213787][ T4950]
[ 231.216732][ T4950] dump_stack_lvl+0x188/0x24e
[ 231.221426][ T4950] ? ___ratelimit+0x14e/0x610
[ 231.226101][ T4950] ? show_regs_print_info+0x12/0x12
[ 231.231289][ T4950] ? load_image+0x410/0x410
[ 231.235796][ T4950] ? ___ratelimit+0x474/0x610
[ 231.240501][ T4950] ? radix_tree_cpu_dead+0x160/0x160
[ 231.245813][ T4950] dump_header+0xd8/0x820
[ 231.250161][ T4950] oom_kill_process+0x361/0x550
[ 231.255026][ T4950] out_of_memory+0xe25/0x1220
[ 231.259711][ T4950] ? print_unlock_imbalance_bug+0x160/0x160
[ 231.265618][ T4950] ? mutex_lock_nested+0x10/0x10
[ 231.270542][ T4950] ? unregister_oom_notifier+0x20/0x20
[ 231.275994][ T4950] mem_cgroup_out_of_memory+0x2c0/0x390
[ 231.281531][ T4950] ? mem_cgroup_oom_trylock+0x210/0x210
[ 231.287084][ T4950] ? do_raw_spin_unlock+0x11d/0x230
[ 231.289575][ T4441] Failed to create system directory ocfs2
[ 231.292282][ T4950] try_charge_memcg+0xc9d/0x17c0
[ 231.302942][ T4950] ? percpu_ref_put+0x180/0x180
[ 231.307808][ T4950] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 231.313549][ T4950] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 231.319540][ T4950] ? percpu_ref_tryget+0x15/0x180
[ 231.320476][ T4441] Could not create directory for event ocfs2_unlink
[ 231.324561][ T4950] ? percpu_ref_tryget+0x15/0x180
[ 231.324583][ T4950] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 231.324603][ T4950] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 231.347636][ T4950] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 231.353465][ T4950] obj_cgroup_charge+0x36a/0x620
[ 231.358431][ T4950] ? obj_cgroup_charge+0xe9/0x620
[ 231.363466][ T4950] ? mod_objcg_mlstate+0x320/0x320
[ 231.368588][ T4950] ? percpu_ref_put+0x12/0x100
[ 231.373350][ T4950] ? percpu_ref_put+0x12/0x100
[ 231.378121][ T4950] slab_pre_alloc_hook+0x2e2/0x300
[ 231.383243][ T4950] ? slab_pre_alloc_hook+0xb1/0x300
[ 231.388457][ T4950] kmem_cache_alloc_lru+0x49/0x2e0
[ 231.393585][ T4950] ? __d_alloc+0x2e/0x6e0
[ 231.397931][ T4950] __d_alloc+0x2e/0x6e0
[ 231.402094][ T4950] d_alloc+0x46/0x250
[ 231.406090][ T4950] lookup_one_qstr_excl+0xc6/0x240
[ 231.411216][ T4950] filename_create+0x242/0x450
[ 231.415996][ T4950] ? kern_path_create+0x50/0x50
[ 231.418056][ T4441] Failed to create system directory ocfs2
[ 231.420843][ T4950] ? __virt_addr_valid+0x467/0x540
[ 231.426599][ T4441] Could not create directory for event ocfs2_create
[ 231.431647][ T4950] do_mkdirat+0xa5/0x440
[ 231.431671][ T4950] ? vfs_mkdir+0x570/0x570
[ 231.446912][ T4950] __x64_sys_mkdirat+0x85/0x90
[ 231.451695][ T4950] do_syscall_64+0x4c/0xa0
[ 231.456120][ T4950] ? clear_bhb_loop+0x60/0xb0
[ 231.460805][ T4950] ? clear_bhb_loop+0x60/0xb0
[ 231.465494][ T4950] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 231.471398][ T4950] RIP: 0033:0x7f27fb39e0d9
[ 231.475827][ T4950] 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
[ 231.495452][ T4950] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 231.503881][ T4950] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 231.506084][ T4441] Failed to create system directory ocfs2
[ 231.511846][ T4950] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 231.523925][ T4441] Could not create directory for event ocfs2_mkdir
[ 231.525499][ T4950] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 231.539988][ T4950] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 231.547975][ T4950] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 231.555976][ T4950]
[ 231.575689][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 231.591243][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 231.602312][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 231.611104][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 231.622376][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.633415][ T4441] Failed to create system directory ocfs2
[ 231.634394][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.649323][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.660031][ T4441] Could not create directory for event ocfs2_lookup
[ 231.662445][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.704104][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.723817][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.728379][ T4441] Failed to create system directory ocfs2
[ 231.733641][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.765694][ T4950] memory: usage 96kB, limit 96kB, failcnt 65529
[ 231.771992][ T4950] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 231.787469][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.803914][ T4441] Could not create directory for event ocfs2_prepare_dir_for_insert
[ 231.812078][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.821121][ T4950] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 231.831379][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.840414][ T4950] Memory cgroup stats for /syz2/test:
[ 231.842965][ T4441] Failed to create system directory ocfs2
[ 231.853913][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.868885][ T4950] anon 0
[ 231.868885][ T4950] file 0
[ 231.868885][ T4950] kernel 98304
[ 231.868885][ T4950] kernel_stack 0
[ 231.868885][ T4950] pagetables 0
[ 231.868885][ T4950] sec_pagetables 0
[ 231.868885][ T4950] percpu 0
[ 231.868885][ T4950] sock 0
[ 231.868885][ T4950] vmalloc 0
[ 231.868885][ T4950] shmem 0
[ 231.868885][ T4950] zswap 0
[ 231.868885][ T4950] zswapped 0
[ 231.868885][ T4950] file_mapped 0
[ 231.868885][ T4950] file_dirty 0
[ 231.868885][ T4950] file_writeback 0
[ 231.868885][ T4950] swapcached 0
[ 231.868885][ T4950] anon_thp 0
[ 231.868885][ T4950] file_thp 0
[ 231.868885][ T4950] shmem_thp 0
[ 231.868885][ T4950] inactive_anon 0
[ 231.868885][ T4950] active_anon 0
[ 231.868885][ T4950] inactive_file 0
[ 231.868885][ T4950] active_file 0
[ 231.868885][ T4950] unevictable 0
[ 231.868885][ T4950] slab_reclaimable 94912
[ 231.868885][ T4950] slab_unreclaimable 2016
[ 231.868885][ T4950] slab 96928
[ 231.868885][ T4950] workingset_refault_anon 0
[ 231.883946][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 231.978613][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 231.991657][ T4441] Could not create directory for event ocfs2_dx_dir_rebalance_split
[ 232.002181][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.012192][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.024509][ T4399] Bluetooth: hci7: command 0x0406 tx timeout
[ 232.024529][ T49] Bluetooth: hci8: command 0x0406 tx timeout
[ 232.030506][ T4399] Bluetooth: hci9: command 0x0406 tx timeout
[ 232.037938][ T4441] Failed to create system directory ocfs2
[ 232.048604][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.058632][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.071273][ T4441] Could not create directory for event ocfs2_dx_dir_rebalance
[ 232.080155][ T4950] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.157,pid=4950,uid=0
[ 232.085721][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.100479][ T4950] Memory cgroup out of memory: Killed process 4950 (syz.2.157) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
2026/08/16 23:02:34 executed programs: 148
[ 232.153891][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.164981][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.174984][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.186924][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.201135][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.211944][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.212140][ T4441] Failed to create system directory ocfs2
[ 232.221883][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.221903][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.221920][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.221932][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.221942][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.221954][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.221969][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.221981][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.221994][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.222005][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.222020][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.222031][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.222040][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.222052][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.222067][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.222079][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.222094][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.244668][ T4441] Could not create directory for event ocfs2_extend_dir
[ 232.249363][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.379768][ T4441] Failed to create system directory ocfs2
[ 232.385433][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 232.433081][ T4441] Could not create directory for event ocfs2_dx_dir_index_root_block
[ 232.443107][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 232.462389][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 232.476650][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 232.486248][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 232.496008][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 232.502103][ T4953] syz.2.158 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 232.520354][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 232.536174][ T4894] device veth1_vlan entered promiscuous mode
[ 232.545209][ T4892] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 232.554038][ T4892] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 232.562814][ T4892] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 232.573181][ T4892] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 232.586682][ T4953] CPU: 1 PID: 4953 Comm: syz.2.158 Not tainted syzkaller #0
[ 232.594003][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 232.604075][ T4953] Call Trace:
[ 232.607368][ T4953]
[ 232.610303][ T4953] dump_stack_lvl+0x188/0x24e
[ 232.614985][ T4953] ? ___ratelimit+0x14e/0x610
[ 232.619682][ T4953] ? show_regs_print_info+0x12/0x12
[ 232.624891][ T4953] ? load_image+0x410/0x410
[ 232.629389][ T4953] ? ___ratelimit+0x474/0x610
[ 232.634072][ T4953] ? radix_tree_cpu_dead+0x160/0x160
[ 232.639356][ T4953] dump_header+0xd8/0x820
[ 232.643685][ T4953] oom_kill_process+0x361/0x550
[ 232.648534][ T4953] out_of_memory+0xe25/0x1220
[ 232.653208][ T4953] ? print_unlock_imbalance_bug+0x160/0x160
[ 232.659098][ T4953] ? mutex_lock_nested+0x10/0x10
[ 232.664047][ T4953] ? unregister_oom_notifier+0x20/0x20
[ 232.669511][ T4953] mem_cgroup_out_of_memory+0x2c0/0x390
[ 232.675058][ T4953] ? mem_cgroup_oom_trylock+0x210/0x210
[ 232.680604][ T4953] ? do_raw_spin_unlock+0x11d/0x230
[ 232.685805][ T4953] try_charge_memcg+0xc9d/0x17c0
[ 232.690775][ T4953] ? percpu_ref_put+0x180/0x180
[ 232.695633][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 232.701363][ T4953] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 232.707354][ T4953] ? percpu_ref_tryget+0x15/0x180
[ 232.712391][ T4953] ? percpu_ref_tryget+0x15/0x180
[ 232.717422][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 232.723142][ T4953] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 232.728893][ T4953] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 232.734707][ T4953] obj_cgroup_charge+0x36a/0x620
[ 232.739645][ T4953] ? obj_cgroup_charge+0xe9/0x620
[ 232.744667][ T4953] ? mod_objcg_mlstate+0x320/0x320
[ 232.749787][ T4953] ? percpu_ref_put+0x12/0x100
[ 232.754547][ T4953] ? percpu_ref_put+0x12/0x100
[ 232.759307][ T4953] slab_pre_alloc_hook+0x2e2/0x300
[ 232.764412][ T4953] ? slab_pre_alloc_hook+0xb1/0x300
[ 232.769606][ T4953] kmem_cache_alloc_lru+0x49/0x2e0
[ 232.774711][ T4953] ? __d_alloc+0x2e/0x6e0
[ 232.779037][ T4953] __d_alloc+0x2e/0x6e0
[ 232.783188][ T4953] d_alloc+0x46/0x250
[ 232.787164][ T4953] lookup_one_qstr_excl+0xc6/0x240
[ 232.792273][ T4953] filename_create+0x242/0x450
[ 232.797034][ T4953] ? kern_path_create+0x50/0x50
[ 232.801875][ T4953] ? __virt_addr_valid+0x467/0x540
[ 232.806987][ T4953] do_mkdirat+0xa5/0x440
[ 232.811222][ T4953] ? vfs_mkdir+0x570/0x570
[ 232.815635][ T4953] __x64_sys_mkdirat+0x85/0x90
[ 232.820393][ T4953] do_syscall_64+0x4c/0xa0
[ 232.824812][ T4953] ? clear_bhb_loop+0x60/0xb0
[ 232.829484][ T4953] ? clear_bhb_loop+0x60/0xb0
[ 232.834176][ T4953] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 232.840063][ T4953] RIP: 0033:0x7f27fb39e0d9
[ 232.844471][ 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
[ 232.864068][ T4953] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 232.872474][ T4953] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 232.880438][ T4953] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 232.888410][ T4953] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 232.896373][ T4953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 232.904337][ T4953] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 232.912311][ T4953]
[ 232.932727][ T4441] Failed to create system directory ocfs2
[ 232.952785][ T4918] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 232.962503][ T4953] memory: usage 96kB, limit 96kB, failcnt 65745
[ 232.969114][ T4953] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 232.977418][ T4953] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 232.980697][ T4441] Could not create directory for event ocfs2_dx_dir_format_cluster
[ 233.017810][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 233.023817][ T4953] Memory cgroup stats for /syz2/test:
[ 233.025248][ T4953] anon 0
[ 233.025248][ T4953] file 0
[ 233.025248][ T4953] kernel 98304
[ 233.025248][ T4953] kernel_stack 0
[ 233.025248][ T4953] pagetables 0
[ 233.025248][ T4953] sec_pagetables 0
[ 233.025248][ T4953] percpu 0
[ 233.025248][ T4953] sock 0
[ 233.025248][ T4953] vmalloc 0
[ 233.025248][ T4953] shmem 0
[ 233.025248][ T4953] zswap 0
[ 233.025248][ T4953] zswapped 0
[ 233.025248][ T4953] file_mapped 0
[ 233.025248][ T4953] file_dirty 0
[ 233.025248][ T4953] file_writeback 0
[ 233.025248][ T4953] swapcached 0
[ 233.025248][ T4953] anon_thp 0
[ 233.025248][ T4953] file_thp 0
[ 233.025248][ T4953] shmem_thp 0
[ 233.025248][ T4953] inactive_anon 0
[ 233.025248][ T4953] active_anon 0
[ 233.025248][ T4953] inactive_file 0
[ 233.025248][ T4953] active_file 0
[ 233.025248][ T4953] unevictable 0
[ 233.025248][ T4953] slab_reclaimable 94912
[ 233.025248][ T4953] slab_unreclaimable 2016
[ 233.025248][ T4953] slab 96928
[ 233.025248][ T4953] workingset_refault_anon 0
[ 233.031901][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 233.126840][ T4953] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.158,pid=4953,uid=0
[ 233.160607][ T4953] Memory cgroup out of memory: Killed process 4953 (syz.2.158) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 233.263578][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 233.265885][ T4441] Failed to create system directory ocfs2
[ 233.281657][ T4955] syz.2.159 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 233.305502][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 233.314768][ T4441] Could not create directory for event ocfs2_dx_dir_attach_index
[ 233.325855][ T4894] device veth0_macvtap entered promiscuous mode
[ 233.347592][ T4894] device veth1_macvtap entered promiscuous mode
[ 233.354054][ T4955] CPU: 0 PID: 4955 Comm: syz.2.159 Not tainted syzkaller #0
[ 233.361369][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.371441][ T4955] Call Trace:
[ 233.374733][ T4955]
[ 233.377685][ T4955] dump_stack_lvl+0x188/0x24e
[ 233.382383][ T4955] ? ___ratelimit+0x14e/0x610
[ 233.387172][ T4955] ? show_regs_print_info+0x12/0x12
[ 233.388831][ T4366] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 233.392374][ T4955] ? load_image+0x410/0x410
[ 233.404641][ T4955] ? ___ratelimit+0x474/0x610
[ 233.404674][ T4955] ? radix_tree_cpu_dead+0x160/0x160
[ 233.404700][ T4955] dump_header+0xd8/0x820
[ 233.404724][ T4955] oom_kill_process+0x361/0x550
[ 233.404746][ T4955] out_of_memory+0xe25/0x1220
[ 233.404769][ T4955] ? print_unlock_imbalance_bug+0x160/0x160
[ 233.404794][ T4955] ? mutex_lock_nested+0x10/0x10
[ 233.404822][ T4955] ? unregister_oom_notifier+0x20/0x20
[ 233.404849][ T4955] mem_cgroup_out_of_memory+0x2c0/0x390
[ 233.404874][ T4955] ? mem_cgroup_oom_trylock+0x210/0x210
[ 233.404904][ T4955] ? do_raw_spin_unlock+0x11d/0x230
[ 233.404927][ T4955] try_charge_memcg+0xc9d/0x17c0
[ 233.404969][ T4955] ? percpu_ref_put+0x180/0x180
[ 233.404992][ T4955] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 233.405021][ T4955] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 233.405044][ T4955] ? percpu_ref_tryget+0x15/0x180
[ 233.405065][ T4955] ? percpu_ref_tryget+0x15/0x180
[ 233.405085][ T4955] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 233.405107][ T4955] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 233.405131][ T4955] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 233.405155][ T4955] obj_cgroup_charge+0x36a/0x620
[ 233.405179][ T4955] ? obj_cgroup_charge+0xe9/0x620
[ 233.405200][ T4955] ? mod_objcg_mlstate+0x320/0x320
[ 233.405225][ T4955] ? percpu_ref_put+0x12/0x100
[ 233.405245][ T4955] ? percpu_ref_put+0x12/0x100
[ 233.405268][ T4955] slab_pre_alloc_hook+0x2e2/0x300
[ 233.405288][ T4955] ? slab_pre_alloc_hook+0xb1/0x300
[ 233.405310][ T4955] kmem_cache_alloc_lru+0x49/0x2e0
[ 233.405328][ T4955] ? __d_alloc+0x2e/0x6e0
[ 233.405350][ T4955] __d_alloc+0x2e/0x6e0
[ 233.405371][ T4955] d_alloc+0x46/0x250
[ 233.405390][ T4955] lookup_one_qstr_excl+0xc6/0x240
[ 233.405412][ T4955] filename_create+0x242/0x450
[ 233.405437][ T4955] ? kern_path_create+0x50/0x50
[ 233.405455][ T4955] ? __virt_addr_valid+0x467/0x540
[ 233.405484][ T4955] do_mkdirat+0xa5/0x440
[ 233.405505][ T4955] ? vfs_mkdir+0x570/0x570
[ 233.405531][ T4955] __x64_sys_mkdirat+0x85/0x90
[ 233.405549][ T4955] do_syscall_64+0x4c/0xa0
[ 233.405567][ T4955] ? clear_bhb_loop+0x60/0xb0
[ 233.405586][ T4955] ? clear_bhb_loop+0x60/0xb0
[ 233.405609][ T4955] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 233.405628][ T4955] RIP: 0033:0x7f27fb39e0d9
[ 233.405653][ T4955] 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
[ 233.405668][ T4955] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 233.405689][ T4955] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 233.405703][ T4955] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 233.405716][ T4955] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 233.405727][ T4955] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 233.405739][ T4955] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 233.405767][ T4955]
[ 233.518430][ T4366] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 233.580760][ T4441] Failed to create system directory ocfs2
[ 233.588053][ T4955] memory: usage 96kB, limit 96kB, failcnt 65853
[ 233.606030][ T4441] Could not create directory for event ocfs2_check_dir_for_entry
[ 233.675163][ T4441] Failed to create system directory ocfs2
[ 233.746202][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.763458][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.773781][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.787202][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.797356][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.807896][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.817848][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.828538][ T4955] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 233.838513][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.848575][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.859222][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.869868][ T4955] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 233.876897][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 233.887729][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 233.897729][ T4955] Memory cgroup stats for /syz2/test:
[ 233.897876][ T4955] anon 0
[ 233.897876][ T4955] file 0
[ 233.897876][ T4955] kernel 98304
[ 233.897876][ T4955] kernel_stack 0
[ 233.897876][ T4955] pagetables 0
[ 233.897876][ T4955] sec_pagetables 0
[ 233.897876][ T4955] percpu 0
[ 233.897876][ T4955] sock 0
[ 233.897876][ T4955] vmalloc 0
[ 233.897876][ T4955] shmem 0
[ 233.897876][ T4955] zswap 0
[ 233.897876][ T4955] zswapped 0
[ 233.897876][ T4955] file_mapped 0
[ 233.897876][ T4955] file_dirty 0
[ 233.897876][ T4955] file_writeback 0
[ 233.897876][ T4955] swapcached 0
[ 233.897876][ T4955] anon_thp 0
[ 233.897876][ T4955] file_thp 0
[ 233.897876][ T4955] shmem_thp 0
[ 233.897876][ T4955] inactive_anon 0
[ 233.897876][ T4955] active_anon 0
[ 233.897876][ T4955] inactive_file 0
[ 233.897876][ T4955] active_file 0
[ 233.897876][ T4955] unevictable 0
[ 233.897876][ T4955] slab_reclaimable 94912
[ 233.897876][ T4955] slab_unreclaimable 2016
[ 233.897876][ T4955] slab 96928
[ 233.897876][ T4955] workingset_refault_anon 0
[ 234.000989][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.013885][ T4441] Could not create directory for event ocfs2_find_files_on_disk
[ 234.021633][ T4955] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.159,pid=4955,uid=0
[ 234.023831][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.064018][ T4955] Memory cgroup out of memory: Killed process 4955 (syz.2.159) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 234.073774][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.082808][ T4441] Failed to create system directory ocfs2
[ 234.097103][ T4441] Could not create directory for event ocfs2_readdir
[ 234.107593][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.119439][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.130266][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.145182][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.155963][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.166579][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.186475][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.196675][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.208371][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.224873][ T4441] Failed to create system directory ocfs2
[ 234.234132][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.235731][ T4441] Could not create directory for event ocfs2_delete_entry_dx
[ 234.264997][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.277558][ T4441] Failed to create system directory ocfs2
[ 234.283388][ T4441] Could not create directory for event ocfs2_dx_dir_search_leaf_info
[ 234.283772][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.310909][ T4441] Failed to create system directory ocfs2
[ 234.316881][ T4441] Could not create directory for event ocfs2_dx_dir_search
[ 234.323888][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.345312][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.360503][ T4441] Failed to create system directory ocfs2
[ 234.363770][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.366380][ T4441] Could not create directory for event ocfs2_find_entry_el
[ 234.383816][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.402676][ T4441] Failed to create system directory ocfs2
[ 234.408619][ T4441] Could not create directory for event ocfs2_validate_dir_block
[ 234.416636][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.431381][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.445487][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.458195][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.468750][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.478622][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.484174][ T4441] Failed to create system directory ocfs2
[ 234.489434][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.504602][ T4441] Could not create directory for event ocfs2_search_dirblock
[ 234.512530][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.523230][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.533336][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.540867][ T4441] Failed to create system directory ocfs2
[ 234.547502][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.563146][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.573854][ T4441] Could not create directory for event ocfs2_mark_dquot_dirty
[ 234.574191][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.600335][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 234.611167][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 234.620775][ T4441] Failed to create system directory ocfs2
[ 234.623157][ T4894] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 234.634550][ T4441] Could not create directory for event ocfs2_get_next_id
[ 234.644969][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 234.662802][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 234.669044][ T4960] syz.2.160 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 234.681352][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 234.692323][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 234.704041][ T4960] CPU: 0 PID: 4960 Comm: syz.2.160 Not tainted syzkaller #0
[ 234.707303][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 234.711352][ T4960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 234.721507][ T4441] Failed to create system directory ocfs2
[ 234.729431][ T4960] Call Trace:
[ 234.729440][ T4960]
[ 234.729447][ T4960] dump_stack_lvl+0x188/0x24e
[ 234.729475][ T4960] ? ___ratelimit+0x14e/0x610
[ 234.748834][ T4366] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 234.750707][ T4960] ? show_regs_print_info+0x12/0x12
[ 234.760519][ T4366] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 234.763669][ T4960] ? load_image+0x410/0x410
[ 234.763691][ T4960] ? ___ratelimit+0x474/0x610
[ 234.773065][ T4441] Could not create directory for event ocfs2_acquire_dquot
[ 234.775535][ T4960] ? radix_tree_cpu_dead+0x160/0x160
[ 234.775568][ T4960] dump_header+0xd8/0x820
[ 234.775593][ T4960] oom_kill_process+0x361/0x550
[ 234.786094][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 234.787419][ T4960] out_of_memory+0xe25/0x1220
[ 234.813767][ T4960] ? print_unlock_imbalance_bug+0x160/0x160
[ 234.819711][ T4960] ? mutex_lock_nested+0x10/0x10
[ 234.822701][ T4441] Failed to create system directory ocfs2
[ 234.824655][ T4960] ? unregister_oom_notifier+0x20/0x20
[ 234.824685][ T4960] mem_cgroup_out_of_memory+0x2c0/0x390
[ 234.830404][ T4441] Could not create directory for event ocfs2_release_dquot
[ 234.835825][ T4960] ? mem_cgroup_oom_trylock+0x210/0x210
[ 234.835855][ T4960] ? do_raw_spin_unlock+0x11d/0x230
[ 234.835877][ T4960] try_charge_memcg+0xc9d/0x17c0
[ 234.864383][ T4960] ? percpu_ref_put+0x180/0x180
[ 234.869267][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 234.870373][ T4441] Failed to create system directory ocfs2
[ 234.875016][ T4960] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 234.875043][ T4960] ? percpu_ref_tryget+0x15/0x180
[ 234.880757][ T4441] Could not create directory for event ocfs2_write_dquot
[ 234.886695][ T4960] ? percpu_ref_tryget+0x15/0x180
[ 234.886718][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 234.886739][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 234.915278][ T4960] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 234.921118][ T4960] obj_cgroup_charge+0x36a/0x620
[ 234.926151][ T4960] ? obj_cgroup_charge+0xe9/0x620
[ 234.931189][ T4960] ? mod_objcg_mlstate+0x320/0x320
[ 234.936326][ T4960] ? percpu_ref_put+0x12/0x100
[ 234.941108][ T4960] ? percpu_ref_put+0x12/0x100
[ 234.942903][ T4441] Failed to create system directory ocfs2
[ 234.945874][ T4960] slab_pre_alloc_hook+0x2e2/0x300
[ 234.945897][ T4960] ? slab_pre_alloc_hook+0xb1/0x300
[ 234.945919][ T4960] kmem_cache_alloc_lru+0x49/0x2e0
[ 234.951782][ T4441] Could not create directory for event ocfs2_sync_dquot_helper
[ 234.956703][ T4960] ? __d_alloc+0x2e/0x6e0
[ 234.956727][ T4960] __d_alloc+0x2e/0x6e0
[ 234.956746][ T4960] d_alloc+0x46/0x250
[ 234.956764][ T4960] lookup_one_qstr_excl+0xc6/0x240
[ 234.992135][ T4960] filename_create+0x242/0x450
[ 234.996922][ T4960] ? kern_path_create+0x50/0x50
[ 235.001785][ T4960] ? __virt_addr_valid+0x467/0x540
[ 235.006911][ T4960] do_mkdirat+0xa5/0x440
[ 235.011175][ T4960] ? vfs_mkdir+0x570/0x570
[ 235.015616][ T4960] __x64_sys_mkdirat+0x85/0x90
[ 235.020400][ T4960] do_syscall_64+0x4c/0xa0
[ 235.024049][ T4441] Failed to create system directory ocfs2
[ 235.024814][ T4960] ? clear_bhb_loop+0x60/0xb0
[ 235.030529][ T4441] Could not create directory for event ocfs2_sync_dquot
[ 235.035167][ T4960] ? clear_bhb_loop+0x60/0xb0
[ 235.035190][ T4960] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 235.035209][ T4960] RIP: 0033:0x7f27fb39e0d9
[ 235.035227][ T4960] 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
[ 235.076737][ T4960] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 235.085174][ T4960] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 235.093169][ T4960] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 235.101161][ T4960] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 235.109150][ T4960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 235.117143][ T4960] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 235.125157][ T4960]
[ 235.149860][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.161647][ T4960] memory: usage 96kB, limit 96kB, failcnt 66465
[ 235.168386][ T4441] Failed to create system directory ocfs2
[ 235.168414][ T4441] Could not create directory for event ocfs2_validate_quota_block
[ 235.203800][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.213665][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.242892][ T4441] Failed to create system directory ocfs2
[ 235.248821][ T4960] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 235.256690][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.273471][ T4441] Could not create directory for event olq_set_dquot
[ 235.278900][ T4960] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 235.295749][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.304313][ T4960] Memory cgroup stats for /syz2/test:
[ 235.306402][ T4960] anon 0
[ 235.306402][ T4960] file 0
[ 235.306402][ T4960] kernel 98304
[ 235.306402][ T4960] kernel_stack 0
[ 235.306402][ T4960] pagetables 0
[ 235.306402][ T4960] sec_pagetables 0
[ 235.306402][ T4960] percpu 0
[ 235.306402][ T4960] sock 0
[ 235.306402][ T4960] vmalloc 0
[ 235.306402][ T4960] shmem 0
[ 235.306402][ T4960] zswap 0
[ 235.306402][ T4960] zswapped 0
[ 235.306402][ T4960] file_mapped 0
[ 235.306402][ T4960] file_dirty 0
[ 235.306402][ T4960] file_writeback 0
[ 235.306402][ T4960] swapcached 0
[ 235.306402][ T4960] anon_thp 0
[ 235.306402][ T4960] file_thp 0
[ 235.306402][ T4960] shmem_thp 0
[ 235.306402][ T4960] inactive_anon 0
[ 235.306402][ T4960] active_anon 0
[ 235.306402][ T4960] inactive_file 0
[ 235.306402][ T4960] active_file 0
[ 235.306402][ T4960] unevictable 0
[ 235.306402][ T4960] slab_reclaimable 94912
[ 235.306402][ T4960] slab_unreclaimable 2016
[ 235.306402][ T4960] slab 96928
[ 235.306402][ T4960] workingset_refault_anon 0
[ 235.324818][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.434529][ T4441] Failed to create system directory ocfs2
[ 235.440486][ T4441] Could not create directory for event ocfs2_finish_quota_recovery
[ 235.469069][ T4441] Failed to create system directory ocfs2
[ 235.477787][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.488334][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.498253][ T4441] Could not create directory for event ocfs2_recover_local_quota_file
[ 235.506513][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.518147][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.529349][ T4960] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.160,pid=4960,uid=0
[ 235.546149][ T4960] Memory cgroup out of memory: Killed process 4960 (syz.2.160) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 235.554616][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.607281][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.617357][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.641107][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.644133][ T4441] Failed to create system directory ocfs2
[ 235.651022][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.667309][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.681863][ T4441] Could not create directory for event ocfs2_resmap_claimed_bits_end
[ 235.694137][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.711987][ T4441] Failed to create system directory ocfs2
[ 235.717805][ T4441] Could not create directory for event ocfs2_resmap_claimed_bits_begin
[ 235.723817][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.746492][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.749751][ T4441] Failed to create system directory ocfs2
[ 235.757416][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.763861][ T4441] Could not create directory for event ocfs2_resmap_resv_bits
[ 235.772908][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.794264][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.804413][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.815164][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.825294][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.835991][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.836196][ T4441] Failed to create system directory ocfs2
[ 235.852049][ T4441] Could not create directory for event ocfs2_cannibalize_resv_end
[ 235.853774][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.883841][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.890988][ T4441] Failed to create system directory ocfs2
[ 235.893667][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.899662][ T4441] Could not create directory for event ocfs2_cannibalize_resv_begin
[ 235.933871][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.936505][ T4441] Failed to create system directory ocfs2
[ 235.944503][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.960560][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 235.965492][ T4441] Could not create directory for event ocfs2_resv_find_window_next
[ 235.973239][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 235.996029][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.006210][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.017611][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.028415][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.031548][ T4441] Failed to create system directory ocfs2
[ 236.039197][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.055063][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.063834][ T4441] Could not create directory for event ocfs2_resv_find_window_prev
[ 236.065972][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.090961][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.102165][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.112659][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.123904][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.128282][ T4441] Failed to create system directory ocfs2
[ 236.134126][ T4894] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
[ 236.139479][ T4441] Could not create directory for event ocfs2_resv_find_window_begin
[ 236.158548][ T4894] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 236.199060][ T4894] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 236.229832][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 236.238450][ T4965] syz.2.161 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 236.242288][ T4441] Failed to create system directory ocfs2
[ 236.256163][ T4441] Could not create directory for event ocfs2_resmap_find_free_bits_end
[ 236.257153][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 236.273934][ T4965] CPU: 1 PID: 4965 Comm: syz.2.161 Not tainted syzkaller #0
[ 236.281255][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 236.291339][ T4965] Call Trace:
[ 236.294630][ T4965]
[ 236.297565][ T4965] dump_stack_lvl+0x188/0x24e
[ 236.302241][ T4965] ? ___ratelimit+0x14e/0x610
[ 236.306918][ T4965] ? show_regs_print_info+0x12/0x12
[ 236.312113][ T4965] ? load_image+0x410/0x410
[ 236.316607][ T4965] ? ___ratelimit+0x474/0x610
[ 236.321283][ T4965] ? radix_tree_cpu_dead+0x160/0x160
[ 236.326566][ T4965] dump_header+0xd8/0x820
[ 236.330891][ T4965] oom_kill_process+0x361/0x550
[ 236.335738][ T4965] out_of_memory+0xe25/0x1220
[ 236.340409][ T4965] ? print_unlock_imbalance_bug+0x160/0x160
[ 236.346307][ T4965] ? mutex_lock_nested+0x10/0x10
[ 236.351248][ T4965] ? unregister_oom_notifier+0x20/0x20
[ 236.356705][ T4965] mem_cgroup_out_of_memory+0x2c0/0x390
[ 236.362247][ T4965] ? mem_cgroup_oom_trylock+0x210/0x210
[ 236.367792][ T4965] ? do_raw_spin_unlock+0x11d/0x230
[ 236.372985][ T4965] try_charge_memcg+0xc9d/0x17c0
[ 236.377948][ T4965] ? percpu_ref_put+0x180/0x180
[ 236.382792][ T4965] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 236.388513][ T4965] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 236.394492][ T4965] ? percpu_ref_tryget+0x15/0x180
[ 236.399511][ T4965] ? percpu_ref_tryget+0x15/0x180
[ 236.404551][ T4965] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 236.410261][ T4965] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 236.415977][ T4965] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 236.421776][ T4965] obj_cgroup_charge+0x36a/0x620
[ 236.426710][ T4965] ? obj_cgroup_charge+0xe9/0x620
[ 236.431725][ T4965] ? mod_objcg_mlstate+0x320/0x320
[ 236.436838][ T4965] ? percpu_ref_put+0x12/0x100
[ 236.441593][ T4965] ? percpu_ref_put+0x12/0x100
[ 236.446350][ T4965] slab_pre_alloc_hook+0x2e2/0x300
[ 236.451450][ T4965] ? slab_pre_alloc_hook+0xb1/0x300
[ 236.456641][ T4965] kmem_cache_alloc_lru+0x49/0x2e0
[ 236.461742][ T4965] ? __d_alloc+0x2e/0x6e0
[ 236.466064][ T4965] __d_alloc+0x2e/0x6e0
[ 236.470210][ T4965] d_alloc+0x46/0x250
[ 236.474183][ T4965] lookup_one_qstr_excl+0xc6/0x240
[ 236.479285][ T4965] filename_create+0x242/0x450
[ 236.484043][ T4965] ? kern_path_create+0x50/0x50
[ 236.488884][ T4965] ? __virt_addr_valid+0x467/0x540
[ 236.493994][ T4965] do_mkdirat+0xa5/0x440
[ 236.498230][ T4965] ? vfs_mkdir+0x570/0x570
[ 236.502642][ T4965] __x64_sys_mkdirat+0x85/0x90
[ 236.507396][ T4965] do_syscall_64+0x4c/0xa0
[ 236.511816][ T4965] ? clear_bhb_loop+0x60/0xb0
[ 236.516485][ T4965] ? clear_bhb_loop+0x60/0xb0
[ 236.521155][ T4965] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 236.527037][ T4965] RIP: 0033:0x7f27fb39e0d9
[ 236.531444][ T4965] 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
[ 236.551049][ T4965] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 236.559454][ T4965] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 236.567419][ T4965] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 236.575380][ T4965] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 236.583352][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 236.591328][ T4965] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 236.599322][ T4965]
[ 236.614116][ T28] INFO: task syz.0.17:4453 blocked for more than 143 seconds.
[ 236.616755][ T4894] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 236.621909][ T28] Not tainted syzkaller #0
[ 236.674099][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 236.682828][ T28] task:syz.0.17 state:D stack:26736 pid:4453 ppid:4392 flags:0x00004004
[ 236.697591][ T4441] Failed to create system directory ocfs2
[ 236.704026][ T28] Call Trace:
[ 236.704038][ T28]
[ 236.704050][ T28] __schedule+0x107f/0x4030
[ 236.704097][ T28] ? __sched_text_start+0x8/0x8
[ 236.704119][ T28] ? __mutex_trylock_common+0x86/0x260
[ 236.704145][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 236.704172][ T28] schedule+0xb9/0x180
[ 236.704195][ T28] schedule_preempt_disabled+0xf/0x20
[ 236.704217][ T28] __mutex_lock+0x548/0xae0
[ 236.704242][ T28] ? __mutex_lock+0x3ba/0xae0
[ 236.704268][ T28] ? tracing_open_file_tr+0xab/0x2f0
[ 236.704294][ T28] ? mutex_lock_nested+0x10/0x10
[ 236.704316][ T28] ? apparmor_file_open+0x3c7/0x780
[ 236.704343][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 236.704365][ T28] ? __rwlock_init+0x140/0x140
[ 236.704381][ T28] ? do_raw_spin_lock+0x128/0x2f0
[ 236.704398][ T28] ? lockdown_is_locked_down+0x36/0xe0
[ 236.704421][ T28] tracing_open_file_tr+0xab/0x2f0
[ 236.704446][ T28] ? tracing_open_generic_tr+0x180/0x180
[ 236.704468][ T28] do_dentry_open+0x7dd/0x10b0
[ 236.704502][ T28] path_openat+0x2674/0x2f10
[ 236.704540][ T28] ? verify_lock_unused+0x140/0x140
[ 236.704567][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 236.704594][ T28] ? do_filp_open+0x420/0x420
[ 236.704630][ T28] do_filp_open+0x1ee/0x420
[ 236.704652][ T28] ? vfs_tmpfile+0x470/0x470
[ 236.704690][ T28] ? _raw_spin_unlock+0x24/0x40
[ 236.704709][ T28] ? alloc_fd+0x590/0x640
[ 236.704739][ T28] do_sys_openat2+0x14b/0x4f0
[ 236.704763][ T28] ? do_sys_open+0xe0/0xe0
[ 236.704786][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 236.704811][ T28] ? lock_chain_count+0x20/0x20
[ 236.704838][ T28] __x64_sys_openat+0x135/0x160
[ 236.704864][ T28] do_syscall_64+0x4c/0xa0
[ 236.704888][ T28] ? clear_bhb_loop+0x60/0xb0
[ 236.704909][ T28] ? clear_bhb_loop+0x60/0xb0
[ 236.704931][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 236.704953][ T28] RIP: 0033:0x7f0a1899e0d9
[ 236.704970][ T28] RSP: 002b:00007fff545e6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 236.704992][ T28] RAX: ffffffffffffffda RBX: 00007f0a18c25fa0 RCX: 00007f0a1899e0d9
[ 236.705006][ T28] RDX: 0000000000000001 RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 236.705020][ T28] RBP: 00007f0a18a35024 R08: 0000000000000000 R09: 0000000000000000
[ 236.705032][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 236.705043][ T28] R13: 00007f0a18c25fac R14: 00007f0a18c25fa0 R15: 00007f0a18c25fa0
[ 236.705069][ T28]
[ 236.705079][ T28] INFO: task syz.3.20:4489 blocked for more than 143 seconds.
[ 236.705092][ T28] Not tainted syzkaller #0
[ 236.705102][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 236.705111][ T28] task:syz.3.20 state:D stack:26736 pid:4489 ppid:4403 flags:0x00004004
[ 236.705143][ T28] Call Trace:
[ 236.705149][ T28]
[ 236.705160][ T28] __schedule+0x107f/0x4030
[ 236.705202][ T28] ? __sched_text_start+0x8/0x8
[ 236.705224][ T28] ? __mutex_trylock_common+0x86/0x260
[ 236.705247][ T28] ? trace_raw_output_contention_end+0xd0/0xd0
[ 236.705274][ T28] schedule+0xb9/0x180
[ 236.705296][ T28] schedule_preempt_disabled+0xf/0x20
[ 236.705319][ T28] __mutex_lock+0x548/0xae0
[ 236.705344][ T28] ? __mutex_lock+0x3ba/0xae0
[ 236.705370][ T28] ? tracing_open_file_tr+0xab/0x2f0
[ 236.705395][ T28] ? mutex_lock_nested+0x10/0x10
[ 236.705417][ T28] ? apparmor_file_open+0x3c7/0x780
[ 236.705443][ T28] ? apparmor_inode_getattr+0x20/0x20
[ 236.705466][ T28] ? __rwlock_init+0x140/0x140
[ 236.705482][ T28] ? lockdown_is_locked_down+0x36/0xe0
[ 236.705505][ T28] tracing_open_file_tr+0xab/0x2f0
[ 236.705531][ T28] ? tracing_open_generic_tr+0x180/0x180
[ 236.705553][ T28] do_dentry_open+0x7dd/0x10b0
[ 236.705593][ T28] path_openat+0x2674/0x2f10
[ 236.705630][ T28] ? verify_lock_unused+0x140/0x140
[ 236.705652][ T28] ? do_sys_openat2+0xdd/0x4f0
[ 236.705679][ T28] ? do_filp_open+0x420/0x420
[ 236.705714][ T28] do_filp_open+0x1ee/0x420
[ 236.705737][ T28] ? vfs_tmpfile+0x470/0x470
[ 236.705776][ T28] ? _raw_spin_unlock+0x24/0x40
[ 236.705795][ T28] ? alloc_fd+0x590/0x640
[ 236.705825][ T28] do_sys_openat2+0x14b/0x4f0
[ 236.705850][ T28] ? do_sys_open+0xe0/0xe0
[ 236.705872][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 236.705898][ T28] ? lock_chain_count+0x20/0x20
[ 236.705926][ T28] __x64_sys_openat+0x135/0x160
[ 236.705953][ T28] do_syscall_64+0x4c/0xa0
[ 236.705974][ T28] ? clear_bhb_loop+0x60/0xb0
[ 236.705995][ T28] ? clear_bhb_loop+0x60/0xb0
[ 236.706019][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 236.706039][ T28] RIP: 0033:0x7f0d5259e0d9
[ 236.706054][ T28] RSP: 002b:00007ffde4c8b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 236.706073][ T28] RAX: ffffffffffffffda RBX: 00007f0d52825fa0 RCX: 00007f0d5259e0d9
[ 236.706087][ T28] RDX: 0000000000000001 RSI: 0000200000000140 RDI: ffffffffffffff9c
[ 236.706101][ T28] RBP: 00007f0d52635024 R08: 0000000000000000 R09: 0000000000000000
[ 236.706114][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 236.706126][ T28] R13: 00007f0d52825fac R14: 00007f0d52825fa0 R15: 00007f0d52825fa0
[ 236.706153][ T28]
[ 236.706222][ T28]
[ 236.706222][ T28] Showing all locks held in the system:
[ 236.706233][ T28] 5 locks held by kworker/u4:0/9:
[ 236.706251][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 236.706262][ T28] #0: ffffffff8cb2e4f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0
[ 236.706314][ T28] 1 lock held by rcu_tasks_trace/13:
[ 236.734080][ T4894] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 236.747082][ T28] #0:
[ 236.754421][ T4441] Could not create directory for event ocfs2_resmap_find_free_bits_begin
[ 236.759770][ T28] ffffffff8cb2ed10
[ 236.787048][ T4894] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 236.788969][ T28] (
[ 236.806267][ T4894] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 236.823915][ T28] rcu_tasks_trace.tasks_gp_mutex
[ 236.826466][ T4393] Bluetooth: hci25: unexpected cc 0x0c03 length: 249 > 1
[ 236.834926][ T28] ){+.+.}-{3:3}
[ 236.870357][ T4441] Failed to create system directory ocfs2
[ 236.873187][ T49] Bluetooth: hci25: unexpected cc 0x1003 length: 249 > 9
[ 236.887931][ T4441] Could not create directory for event ocfs2_resv_insert
[ 236.922014][ T4918] device veth0_vlan entered promiscuous mode
[ 237.004839][ T49] Bluetooth: hci25: unexpected cc 0x1001 length: 249 > 9
[ 237.033808][ T28] , at: rcu_tasks_one_gp+0x33/0xef0
[ 237.068327][ T4441] Failed to create system directory ocfs2
[ 237.094396][ T28] 3 locks held by kworker/1:0/22:
[ 237.244977][ T4965] memory: usage 96kB, limit 96kB, failcnt 67041
[ 237.292470][ T4441] Could not create directory for event ocfs2_reflink_xattr_rec
[ 237.305097][ T49] Bluetooth: hci25: unexpected cc 0x0c23 length: 249 > 4
[ 237.333027][ T4441] Failed to create system directory ocfs2
[ 237.359466][ T49] Bluetooth: hci25: unexpected cc 0x0c25 length: 249 > 3
[ 237.383918][ T28] #0:
[ 237.395385][ T4965] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 237.395403][ T4965] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 237.395414][ T4965] Memory cgroup stats for /syz2/test:
[ 237.395545][ T4965] anon 0
[ 237.395545][ T4965] file 0
[ 237.395545][ T4965] kernel 98304
[ 237.395545][ T4965] kernel_stack 0
[ 237.395545][ T4965] pagetables 0
[ 237.395545][ T4965] sec_pagetables 0
[ 237.395545][ T4965] percpu 0
[ 237.395545][ T4965] sock 0
[ 237.395545][ T4965] vmalloc 0
[ 237.395545][ T4965] shmem 0
[ 237.395545][ T4965] zswap 0
[ 237.395545][ T4965] zswapped 0
[ 237.395545][ T4965] file_mapped 0
[ 237.395545][ T4965] file_dirty 0
[ 237.395545][ T4965] file_writeback 0
[ 237.395545][ T4965] swapcached 0
[ 237.395545][ T4965] anon_thp 0
[ 237.395545][ T4965] file_thp 0
[ 237.395545][ T4965] shmem_thp 0
[ 237.395545][ T4965] inactive_anon 0
[ 237.395545][ T4965] active_anon 0
[ 237.395545][ T4965] inactive_file 0
[ 237.395545][ T4965] active_file 0
[ 237.395545][ T4965] unevictable 0
[ 237.395545][ T4965] slab_reclaimable 94912
[ 237.395545][ T4965] slab_unreclaimable 2016
[ 237.395545][ T4965] slab 96928
[ 237.395545][ T4965] workingset_refault_anon 0
[ 237.395577][ T4965] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.161,pid=4965,uid=0
2026/08/16 23:02:40 executed programs: 153
[ 237.395685][ T4965] Memory cgroup out of memory: Killed process 4965 (syz.2.161) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 237.449112][ T4972] syz.2.163 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 237.523786][ T28] ffff8880b8f3ad18
[ 237.526304][ T49] Bluetooth: hci25: unexpected cc 0x0c38 length: 249 > 2
[ 237.551070][ T28] (
[ 237.568186][ T4441] Could not create directory for event ocfs2_reflink_xattr_buckets
[ 237.579076][ T28] &rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 237.588372][ T28] #1: ffff8880b8f27888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x400/0x740
[ 237.601546][ T28] #2: ffff88802dfd0d60 (&r->consumer_lock#2){+.+.}-{2:2}, at: wg_packet_encrypt_worker+0x120a/0x1550
[ 237.612671][ T28] 1 lock held by khungtaskd/28:
[ 237.617095][ T4972] CPU: 1 PID: 4972 Comm: syz.2.163 Not tainted syzkaller #0
[ 237.617596][ T28] #0:
[ 237.624776][ T4972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 237.624788][ T4972] Call Trace:
[ 237.624796][ T4972]
[ 237.624809][ T4972] dump_stack_lvl+0x188/0x24e
[ 237.624835][ T4972] ? ___ratelimit+0x14e/0x610
[ 237.624859][ T4972] ? show_regs_print_info+0x12/0x12
[ 237.624880][ T4972] ? load_image+0x410/0x410
[ 237.624895][ T4972] ? ___ratelimit+0x474/0x610
[ 237.624921][ T4972] ? radix_tree_cpu_dead+0x160/0x160
[ 237.624948][ T4972] dump_header+0xd8/0x820
[ 237.624969][ T4972] oom_kill_process+0x361/0x550
[ 237.624990][ T4972] out_of_memory+0xe25/0x1220
[ 237.625013][ T4972] ? print_unlock_imbalance_bug+0x160/0x160
[ 237.625037][ T4972] ? mutex_lock_nested+0x10/0x10
[ 237.625065][ T4972] ? unregister_oom_notifier+0x20/0x20
[ 237.625090][ T4972] mem_cgroup_out_of_memory+0x2c0/0x390
[ 237.625115][ T4972] ? mem_cgroup_oom_trylock+0x210/0x210
[ 237.625145][ T4972] ? do_raw_spin_unlock+0x11d/0x230
[ 237.625168][ T4972] try_charge_memcg+0xc9d/0x17c0
[ 237.625211][ T4972] ? percpu_ref_put+0x180/0x180
[ 237.625234][ T4972] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 237.625264][ T4972] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 237.625287][ T4972] ? percpu_ref_tryget+0x15/0x180
[ 237.625308][ T4972] ? percpu_ref_tryget+0x15/0x180
[ 237.625330][ T4972] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 237.625351][ T4972] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 237.625376][ T4972] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 237.625402][ T4972] obj_cgroup_charge+0x36a/0x620
[ 237.625426][ T4972] ? obj_cgroup_charge+0xe9/0x620
[ 237.625446][ T4972] ? mod_objcg_mlstate+0x320/0x320
[ 237.625472][ T4972] ? percpu_ref_put+0x12/0x100
[ 237.625491][ T4972] ? percpu_ref_put+0x12/0x100
[ 237.625514][ T4972] slab_pre_alloc_hook+0x2e2/0x300
[ 237.625533][ T4972] ? slab_pre_alloc_hook+0xb1/0x300
[ 237.625555][ T4972] kmem_cache_alloc_lru+0x49/0x2e0
[ 237.625572][ T4972] ? __d_alloc+0x2e/0x6e0
[ 237.625594][ T4972] __d_alloc+0x2e/0x6e0
[ 237.625612][ T4972] d_alloc+0x46/0x250
[ 237.625631][ T4972] lookup_one_qstr_excl+0xc6/0x240
[ 237.625652][ T4972] filename_create+0x242/0x450
[ 237.625675][ T4972] ? kern_path_create+0x50/0x50
[ 237.625693][ T4972] ? __virt_addr_valid+0x467/0x540
[ 237.625723][ T4972] do_mkdirat+0xa5/0x440
[ 237.625743][ T4972] ? vfs_mkdir+0x570/0x570
[ 237.625770][ T4972] __x64_sys_mkdirat+0x85/0x90
[ 237.625790][ T4972] do_syscall_64+0x4c/0xa0
[ 237.625821][ T4972] ? clear_bhb_loop+0x60/0xb0
[ 237.625841][ T4972] ? clear_bhb_loop+0x60/0xb0
[ 237.625864][ T4972] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 237.625884][ T4972] RIP: 0033:0x7f27fb39e0d9
[ 237.625901][ T4972] 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
[ 237.625916][ T4972] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 237.625937][ T4972] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 237.625949][ T4972] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 237.625959][ T4972] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 237.625969][ T4972] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 237.625980][ T4972] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 237.626005][ T4972]
[ 237.672536][ T4441] Failed to create system directory ocfs2
[ 237.674448][ T28] ffffffff8cb2db60
[ 237.693926][ T4972] memory: usage 96kB, limit 96kB, failcnt 67149
[ 237.698181][ T28] (
[ 237.703097][ T4972] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 237.709188][ T28] rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 237.709240][ T28] 3 locks held by kworker/0:2/127:
[ 237.709252][ T28] #0: ffff88802f5b6d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 237.709311][ T28] #1:
[ 237.753915][ T4441] Could not create directory for event ocfs2_xattr_bucket_value_refcount
[ 237.755661][ T28] ffffc90002dd7d00
[ 237.776386][ T4972] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 237.777724][ T28] (
[ 237.804073][ T4972] Memory cgroup stats for
[ 237.843808][ T28] (work_completion)(&(&ifa->dad_work)->work)
[ 237.855091][ T4441] Failed to create system directory ocfs2
[ 237.876320][ T4972] /syz2/test:
[ 237.876447][ T4972] anon 0
[ 237.876447][ T4972] file 0
[ 237.876447][ T4972] kernel 98304
[ 237.876447][ T4972] kernel_stack 0
[ 237.876447][ T4972] pagetables 0
[ 237.876447][ T4972] sec_pagetables 0
[ 237.876447][ T4972] percpu 0
[ 237.876447][ T4972] sock 0
[ 237.876447][ T4972] vmalloc 0
[ 237.876447][ T4972] shmem 0
[ 237.876447][ T4972] zswap 0
[ 237.876447][ T4972] zswapped 0
[ 237.876447][ T4972] file_mapped 0
[ 237.876447][ T4972] file_dirty 0
[ 237.876447][ T4972] file_writeback 0
[ 237.876447][ T4972] swapcached 0
[ 237.876447][ T4972] anon_thp 0
[ 237.876447][ T4972] file_thp 0
[ 237.876447][ T4972] shmem_thp 0
[ 237.876447][ T4972] inactive_anon 0
[ 237.876447][ T4972] active_anon 0
[ 237.876447][ T4972] inactive_file 0
[ 237.876447][ T4972] active_file 0
[ 237.876447][ T4972] unevictable 0
[ 237.876447][ T4972] slab_reclaimable 94912
[ 237.876447][ T4972] slab_unreclaimable 2016
[ 237.876447][ T4972] slab 96928
[ 237.876447][ T4972] workingset_refault_anon 0
[ 237.903831][ T4441] Could not create directory for event ocfs2_xattr_set_entry_index_block
[ 237.916380][ T28] ){+.+.}-{0:0}
[ 237.961126][ T4972] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null)
[ 237.966947][ T28] , at: process_one_work+0x7b4/0x1160
[ 238.004365][ T4972] ,cpuset=
[ 238.005520][ T28] #2:
[ 238.048088][ T4441] Failed to create system directory ocfs2
[ 238.171338][ T28] ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xc4/0x1500
[ 238.203908][ T28] 3 locks held by kworker/1:2/956:
[ 238.209115][ T28] #0: ffff88802f5b6d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.220364][ T28] #1: ffffc9000464fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.232736][ T28] #2: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xc4/0x1500
[ 238.247664][ T28] 2 locks held by getty/4030:
[ 238.252401][ T28] #0: ffff88814cd7a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 238.262366][ T4972] test,mems_allowed=0-1,oom_memcg=/syz2/test,task_memcg=/syz2/test,task=syz.2.163,pid=4972,uid=0
[ 238.278352][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360
[ 238.288902][ T28] 2 locks held by kworker/1:6/4354:
[ 238.294212][ T28] #0: ffff888017472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.304898][ T28] #1: ffffc90003227d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.316596][ T4972] Memory cgroup out of memory: Killed process 4972 (syz.2.163) total-vm:44920kB, anon-rss:1328kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000
[ 238.319411][ T4441] Could not create directory for event ocfs2_xattr_set_entry_bucket
[ 238.333529][ T28] 3 locks held by kworker/u4:5/4366:
[ 238.333545][ T28] #0: ffff888017479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.333602][ T28] #1: ffffc90003e17d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 238.394110][ T4441] Failed to create system directory ocfs2
[ 238.405211][ T28] #2: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xa/0x50
[ 238.405319][ T28] 5 locks held by syz.2.19/4441:
[ 238.422771][ T28] 1 lock held by syz.0.17/4453:
[ 238.428039][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.448429][ T4441] Could not create directory for event ocfs2_create_empty_xattr_block
[ 238.483003][ T4441] Failed to create system directory ocfs2
[ 238.483865][ T28] 1 lock held by syz.3.20/4489:
[ 238.495267][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.510337][ T4441] Could not create directory for event ocfs2_reflink_xattr_header
[ 238.513801][ T28] 1 lock held by syz.4.21/4490:
[ 238.525153][ T4974] syz.2.164 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
[ 238.533319][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.539353][ T4974] CPU: 1 PID: 4974 Comm: syz.2.164 Not tainted syzkaller #0
[ 238.552418][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 238.562487][ T4974] Call Trace:
[ 238.565772][ T4974]
[ 238.568128][ T28] 1 lock held by syz.1.18/4491:
[ 238.568702][ T4974] dump_stack_lvl+0x188/0x24e
[ 238.573532][ T28] #0: ffffffff8cb77748
[ 238.578186][ T4974] ? ___ratelimit+0x14e/0x610
[ 238.578213][ T4974] ? show_regs_print_info+0x12/0x12
[ 238.578233][ T4974] ? load_image+0x410/0x410
[ 238.578249][ T4974] ? ___ratelimit+0x474/0x610
[ 238.578275][ T4974] ? radix_tree_cpu_dead+0x160/0x160
[ 238.578300][ T4974] dump_header+0xd8/0x820
[ 238.578324][ T4974] oom_kill_process+0x361/0x550
[ 238.578347][ T4974] out_of_memory+0xe25/0x1220
[ 238.578370][ T4974] ? print_unlock_imbalance_bug+0x160/0x160
[ 238.578395][ T4974] ? mutex_lock_nested+0x10/0x10
[ 238.578424][ T4974] ? unregister_oom_notifier+0x20/0x20
[ 238.578452][ T4974] mem_cgroup_out_of_memory+0x2c0/0x390
[ 238.578476][ T4974] ? mem_cgroup_oom_trylock+0x210/0x210
[ 238.592831][ T28] (
[ 238.596946][ T4974] ? do_raw_spin_unlock+0x11d/0x230
[ 238.596974][ T4974] try_charge_memcg+0xc9d/0x17c0
[ 238.597016][ T4974] ? percpu_ref_put+0x180/0x180
[ 238.597038][ T4974] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 238.597067][ T4974] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 238.601723][ T28] trace_types_lock
[ 238.606983][ T4974] ? percpu_ref_tryget+0x15/0x180
[ 238.607005][ T4974] ? percpu_ref_tryget+0x15/0x180
[ 238.607026][ T4974] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 238.607048][ T4974] ? get_mem_cgroup_from_objcg+0x19/0x150
[ 238.607073][ T4974] ? get_mem_cgroup_from_objcg+0x13c/0x150
[ 238.607098][ T4974] obj_cgroup_charge+0x36a/0x620
[ 238.607124][ T4974] ? obj_cgroup_charge+0xe9/0x620
[ 238.607144][ T4974] ? mod_objcg_mlstate+0x320/0x320
[ 238.607171][ T4974] ? percpu_ref_put+0x12/0x100
[ 238.607191][ T4974] ? percpu_ref_put+0x12/0x100
[ 238.607213][ T4974] slab_pre_alloc_hook+0x2e2/0x300
[ 238.621721][ T28] ){+.+.}-{3:3}
[ 238.626879][ T4974] ? slab_pre_alloc_hook+0xb1/0x300
[ 238.626906][ T4974] kmem_cache_alloc_lru+0x49/0x2e0
[ 238.626923][ T4974] ? __d_alloc+0x2e/0x6e0
[ 238.626944][ T4974] __d_alloc+0x2e/0x6e0
[ 238.626964][ T4974] d_alloc+0x46/0x250
[ 238.626982][ T4974] lookup_one_qstr_excl+0xc6/0x240
[ 238.642130][ T28] , at: tracing_open_file_tr+0xab/0x2f0
[ 238.642879][ T4974] filename_create+0x242/0x450
[ 238.662391][ T28] 1 lock held by syz.5.22/4529:
[ 238.665836][ T4974] ? kern_path_create+0x50/0x50
[ 238.665863][ T4974] ? __virt_addr_valid+0x467/0x540
[ 238.665889][ T4974] do_mkdirat+0xa5/0x440
[ 238.665911][ T4974] ? vfs_mkdir+0x570/0x570
[ 238.665937][ T4974] __x64_sys_mkdirat+0x85/0x90
[ 238.665957][ T4974] do_syscall_64+0x4c/0xa0
[ 238.665979][ T4974] ? clear_bhb_loop+0x60/0xb0
[ 238.671749][ T28] #0:
[ 238.677648][ T4974] ? clear_bhb_loop+0x60/0xb0
[ 238.677674][ T4974] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 238.677707][ T4974] RIP: 0033:0x7f27fb39e0d9
[ 238.677724][ T4974] 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
[ 238.677739][ T4974] RSP: 002b:00007ffec5f00ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 238.677759][ T4974] RAX: ffffffffffffffda RBX: 00007f27fb625fa0 RCX: 00007f27fb39e0d9
[ 238.677773][ T4974] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 238.677786][ T4974] RBP: 00007f27fb435024 R08: 0000000000000000 R09: 0000000000000000
[ 238.677798][ T4974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 238.677809][ T4974] R13: 00007f27fb625fac R14: 00007f27fb625fa0 R15: 00007f27fb625fa0
[ 238.691712][ T28] ffffffff8cb77748
[ 238.697257][ T4974]
[ 238.741098][ T4441] Failed to create system directory ocfs2
[ 238.793340][ T28] (
[ 238.805752][ T4441] Could not create directory for event ocfs2_rm_xattr_cluster
[ 238.808224][ T4974] memory: usage 96kB, limit 96kB, failcnt 67365
[ 238.874029][ T4441] Failed to create system directory ocfs2
[ 238.908132][ T28] trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.960279][ T28] 1 lock held by syz.6.23/4531:
[ 238.965323][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.975564][ T28] 1 lock held by syz.7.24/4588:
[ 238.980611][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 238.990362][ T4974] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 238.991056][ T28] 1 lock held by syz.8.25/4594:
[ 239.003333][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.013665][ T4441] Could not create directory for event ocfs2_xattr_bucket_value_truncate
[ 239.022196][ T28] 1 lock held by syz.9.26/4595:
[ 239.022370][ T4974] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0
[ 239.027127][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027194][ T28] 1 lock held by syz.0.28/4626:
[ 239.027205][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027267][ T28] 1 lock held by syz.3.33/4674:
[ 239.027277][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027328][ T28] 1 lock held by syz.1.38/4706:
[ 239.027338][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027385][ T28] 1 lock held by syz.4.40/4708:
[ 239.027396][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027447][ T28] 1 lock held by syz.5.54/4736:
[ 239.027457][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027507][ T28] 1 lock held by syz.6.73/4776:
[ 239.027518][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027570][ T28] 1 lock held by syz.7.86/4842:
[ 239.027580][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.027630][ T28] 1 lock held by syz.8.87/4853:
[ 239.094001][ T4974] Memory cgroup stats for
[ 239.096499][ T28] #0:
[ 239.119641][ T4974] /syz2/test
[ 239.124834][ T28] ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.183193][ T28] 1 lock held by syz.9.97/4855:
[ 239.183892][ T4974] :
[ 239.188124][ T4974] anon 0
[ 239.188124][ T4974] file 0
[ 239.188124][ T4974] kernel 98304
[ 239.188124][ T4974] kernel_stack 0
[ 239.188124][ T4974] pagetables 0
[ 239.188124][ T4974] sec_pagetables 0
[ 239.188124][ T4974] percpu 0
[ 239.188124][ T4974] sock 0
[ 239.188124][ T4974] vmalloc 0
[ 239.188124][ T4974] shmem 0
[ 239.188124][ T4974] zswap 0
[ 239.188124][ T4974] zswapped 0
[ 239.188124][ T4974] file_mapped 0
[ 239.188124][ T4974] file_dirty 0
[ 239.188124][ T4974] file_writeback 0
[ 239.188124][ T4974] swapcached 0
[ 239.188124][ T4974] anon_thp 0
[ 239.188124][ T4974] file_thp 0
[ 239.188124][ T4974] shmem_thp 0
[ 239.188124][ T4974] inactive_anon 0
[ 239.188124][ T4974] active_anon 0
[ 239.188124][ T4974] inactive_file 0
[ 239.188124][ T4974] active_file 0
[ 239.188124][ T4974] unevictable 0
[ 239.188124][ T4974] slab_reclaimable 94912
[ 239.188124][ T4974] slab_unreclaimable 2016
[ 239.188124][ T4974] slab 96928
[ 239.188124][ T4974] workingset_refault_anon 0
[ 239.285543][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.296205][ T28] 1 lock held by syz.0.110/4870:
[ 239.301161][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.311754][ T28] 3 locks held by syz-executor/4894:
[ 239.317628][ T28] #0: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x80d/0xfb0
[ 239.327306][ T28] #1: ffff88807ab493e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x223/0x420
[ 239.337126][ T28] #2: ffffffff8cb33838 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2ec/0x890
[ 239.348168][ T28] 1 lock held by syz-executor/4918:
[ 239.353384][ T28] #0: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x80d/0xfb0
[ 239.366275][ T28] 1 lock held by syz.3.129/4919:
[ 239.371256][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.381552][ T28] 1 lock held by syz.1.137/4968:
[ 239.387488][ T28] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0
[ 239.393425][ T4441] Failed to create system directory ocfs2
[ 239.398104][ T28] 1 lock held by syz-executor/4969:
[ 239.398119][ T28] #0: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x80d/0xfb0
[ 239.398180][ T28] 2 locks held by dhcpcd/4971:
[ 239.398191][ T28] #0: ffff88804a2ca130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xd40
[ 239.398241][ T28] #1: ffffffff8cb33838 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3c0/0x890
[ 239.398296][ T28] 1 lock held by dhcpcd/4973:
[ 239.398307][ T28] #0: ffff888072d50130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xd40
[ 239.398356][ T28] 4 locks held by syz.2.164/4974:
[ 239.398430][ T28]
[ 239.398436][ T28] =============================================
[ 239.398436][ T28]
[ 239.398459][ T28] NMI backtrace for cpu 0
[ 239.423833][ T4441] Could not create directory for event ocfs2_add_new_xattr_bucket
[ 239.433052][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 239.433070][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.433080][ T28] Call Trace:
[ 239.433087][ T28]
[ 239.433095][ T28] dump_stack_lvl+0x188/0x24e
[ 239.474412][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 239.478239][ T28] ? irq_work_queue+0xbf/0x140
[ 239.478270][ T28] ? show_regs_print_info+0x12/0x12
[ 239.499823][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 239.503309][ T28] ? load_image+0x410/0x410
[ 239.517127][ T4441] Failed to create system directory ocfs2
[ 239.522205][ T28] ? vprintk_emit+0x59f/0x6a0
[ 239.534814][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 239.540196][ T28] ? printk_sprint+0x460/0x460
[ 239.540231][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 239.544853][ T4441] Could not create directory for event ocfs2_extend_xattr_bucket
[ 239.550417][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 239.567728][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 239.572347][ T28] ? _printk+0xda/0x130
[ 239.598090][ T28] ? load_image+0x410/0x410
[ 239.602613][ T28] ? load_image+0x410/0x410
[ 239.607128][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 239.613216][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 239.619293][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 239.625294][ T28] watchdog+0xf0e/0xf50
[ 239.629469][ T28] ? watchdog+0x1ed/0xf50
[ 239.630353][ T4918] device veth1_vlan entered promiscuous mode
[ 239.633797][ T28] kthread+0x29d/0x330
[ 239.633815][ T28] ? hungtask_pm_notify+0x40/0x40
[ 239.633833][ T28] ? kthread_blkcg+0xd0/0xd0
[ 239.633850][ T28] ret_from_fork+0x1f/0x30
[ 239.647926][ T4441] Failed to create system directory ocfs2
[ 239.648864][ T28]
[ 239.670612][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 239.671131][ T4441] Could not create directory for event ocfs2_add_new_xattr_cluster_insert
[ 239.676922][ C1] NMI backtrace for cpu 1
[ 239.676931][ C1] CPU: 1 PID: 4441 Comm: syz.2.19 Not tainted syzkaller #0
[ 239.676947][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.676955][ C1] RIP: 0010:io_serial_in+0x73/0xb0
[ 239.676977][ C1] Code: e8 d2 29 fb fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 73 56 4c fd 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 44 89 f9 80 e1 07 38 c1 7c aa 4c
[ 239.676990][ C1] RSP: 0018:ffffc90003517618 EFLAGS: 00000002
[ 239.677003][ C1] RAX: 1ffffffff2df3c00 RBX: 00000000000003fd RCX: 0000000000000000
[ 239.677014][ C1] RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
[ 239.677023][ C1] RBP: ffffc900035177f0 R08: ffff8880241c0237 R09: 1ffff11004838046
[ 239.677035][ C1] R10: dffffc0000000000 R11: ffffed1004838047 R12: dffffc0000000000
[ 239.677046][ C1] R13: 0000000000000000 R14: ffffffff96f9e5a0 R15: 0000000000000000
[ 239.677056][ C1] FS: 000055555ec60500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 239.677069][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 239.677080][ C1] CR2: 00007f27fb270000 CR3: 000000007c85a000 CR4: 00000000003506e0
[ 239.677093][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 239.677102][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 239.677112][ C1] Call Trace:
[ 239.677116][ C1]
[ 239.677123][ C1] serial8250_console_write+0xff5/0x18b0
[ 239.677147][ C1] ? serial8250_set_defaults+0x610/0x610
[ 239.677164][ C1] ? __lock_acquire+0x7c40/0x7c40
[ 239.677183][ C1] ? do_raw_spin_lock+0x128/0x2f0
[ 239.677197][ C1] ? read_lock_is_recursive+0x10/0x10
[ 239.677216][ C1] ? __rwlock_init+0x140/0x140
[ 239.677231][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 239.677246][ C1] console_emit_next_record+0x795/0xb50
[ 239.677268][ C1] ? console_emit_next_record+0x68f/0xb50
[ 239.677292][ C1] ? info_print_prefix+0x360/0x360
[ 239.677315][ C1] ? mark_lock+0x94/0x320
[ 239.677342][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 239.677357][ C1] ? read_lock_is_recursive+0x10/0x10
[ 239.677378][ C1] console_unlock+0x223/0x630
[ 239.677399][ C1] ? vprintk_emit+0x315/0x6a0
[ 239.677418][ C1] vprintk_emit+0x4b3/0x6a0
[ 239.677437][ C1] ? vprintk_emit+0x315/0x6a0
[ 239.677456][ C1] ? printk_sprint+0x460/0x460
[ 239.677477][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 239.677495][ C1] _printk+0xda/0x130
[ 239.677511][ C1] ? event_create_dir+0xc0e/0xe50
[ 239.677526][ C1] ? load_image+0x410/0x410
[ 239.677541][ C1] ? event_create_dir+0xc0e/0xe50
[ 239.677559][ C1] event_trace_add_tracer+0x2a3/0x3a0
[ 239.677574][ C1] trace_array_create_dir+0x77/0x120
[ 239.677596][ C1] trace_array_create+0x724/0xcb0
[ 239.677615][ C1] ? instance_mkdir+0xb9/0x120
[ 239.677630][ C1] instance_mkdir+0xc8/0x120
[ 239.677651][ C1] tracefs_syscall_mkdir+0xb7/0x110
[ 239.677668][ C1] vfs_mkdir+0x386/0x570
[ 239.677687][ C1] do_mkdirat+0x1d8/0x440
[ 239.677703][ C1] ? vfs_mkdir+0x570/0x570
[ 239.677721][ C1] __x64_sys_mkdirat+0x85/0x90
[ 239.677737][ C1] do_syscall_64+0x4c/0xa0
[ 239.677755][ C1] ? clear_bhb_loop+0x60/0xb0
[ 239.677774][ C1] ? clear_bhb_loop+0x60/0xb0
[ 239.677793][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 239.677811][ C1] RIP: 0033:0x7f7c95b9e0d9
[ 239.677851][ C1] Code: Unable to access opcode bytes at 0x7f7c95b9e0af.
[ 239.677857][ C1] RSP: 002b:00007fffd6b062d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 239.677872][ C1] RAX: ffffffffffffffda RBX: 00007f7c95e25fa0 RCX: 00007f7c95b9e0d9
[ 239.677882][ C1] RDX: 00000000000001ff RSI: 0000200000000100 RDI: ffffffffffffff9c
[ 239.677892][ C1] RBP: 00007f7c95c35024 R08: 0000000000000000 R09: 0000000000000000
[ 239.677901][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 239.677910][ C1] R13: 00007f7c95e25fac R14: 00007f7c95e25fa0 R15: 00007f7c95e25fa0
[ 239.677927][ C1]
[ 239.681021][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 239.681033][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 239.681050][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 239.681059][ T28] Call Trace:
[ 239.681065][ T28]
[ 239.681072][ T28] dump_stack_lvl+0x188/0x24e
[ 239.681097][ T28] ? memcpy+0x3c/0x60
[ 239.681114][ T28] ? show_regs_print_info+0x12/0x12
[ 239.681136][ T28] ? load_image+0x410/0x410
[ 239.681169][ T28] panic+0x2d3/0x710
[ 239.681185][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 239.681209][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 239.681225][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 239.681251][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 239.681274][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 239.681297][ T28] watchdog+0xf4d/0xf50
[ 239.681318][ T28] ? watchdog+0x1ed/0xf50
[ 239.681339][ T28] kthread+0x29d/0x330
[ 239.681353][ T28] ? hungtask_pm_notify+0x40/0x40
[ 239.681371][ T28] ? kthread_blkcg+0xd0/0xd0
[ 239.681387][ T28] ret_from_fork+0x1f/0x30
[ 239.681416][ T28]
[ 239.685234][ T28] Kernel Offset: disabled
[ 240.180490][ T28] Rebooting in 86400 seconds..