up_one_qstr_excl+0xc6/0x240 [ 311.012571][ T4926] filename_create+0x242/0x450 [ 311.017333][ T4926] ? kern_path_create+0x50/0x50 [ 311.022177][ T4926] ? __virt_addr_valid+0x467/0x540 [ 311.027288][ T4926] do_mkdirat+0xa5/0x440 [ 311.031528][ T4926] ? vfs_mkdir+0x570/0x570 [ 311.035944][ T4926] __x64_sys_mkdirat+0x85/0x90 [ 311.040701][ T4926] do_syscall_64+0x4c/0xa0 [ 311.045112][ T4926] ? clear_bhb_loop+0x60/0xb0 [ 311.049793][ T4926] ? clear_bhb_loop+0x60/0xb0 [ 311.054470][ T4926] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 311.060356][ T4926] RIP: 0033:0x7f51c239e0d9 [ 311.064764][ T4926] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 311.084368][ T4926] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 311.092774][ T4926] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 311.100741][ T4926] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 311.108703][ T4926] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 311.116665][ T4926] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 311.124626][ T4926] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 311.132602][ T4926] [ 311.158555][ T4913] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 311.184075][ T4913] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 311.215217][ T4518] Failed to create system directory ocfs2 [ 311.226555][ T4917] chnl_net:caif_netlink_parms(): no params data found [ 311.230357][ T4518] Could not create directory for event ocfs2_block_group_alloc_contig [ 311.250582][ T4926] memory: usage 96kB, limit 96kB, failcnt 71474 [ 311.261044][ T4913] team0: Port device team_slave_0 added [ 311.283925][ T4926] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 311.286087][ T4913] team0: Port device team_slave_1 added [ 311.312695][ T4518] Failed to create system directory ocfs2 [ 311.318583][ T4518] Could not create directory for event ocfs2_validate_group_descriptor [ 311.324092][ T4926] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 311.349319][ T4913] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 311.363698][ T4913] 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. [ 311.366529][ T4926] Memory cgroup stats for [ 311.405606][ T4518] Failed to create system directory ocfs2 [ 311.416045][ T4518] Could not create directory for event ocfs2_group_add [ 311.423237][ T4913] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 311.441742][ T4518] Failed to create system directory ocfs2 [ 311.447591][ T4518] Could not create directory for event ocfs2_group_extend [ 311.475510][ T4518] Failed to create system directory ocfs2 [ 311.481477][ T4518] Could not create directory for event ocfs2_update_last_group_and_inode [ 311.486328][ T4913] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 311.507346][ T4913] 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. [ 311.512005][ T4518] Failed to create system directory ocfs2 [ 311.539653][ T4926] /syz0/test: [ 311.539814][ T4926] anon 0 [ 311.539814][ T4926] file 0 [ 311.539814][ T4926] kernel 98304 [ 311.539814][ T4926] kernel_stack 0 [ 311.539814][ T4926] pagetables 0 [ 311.539814][ T4926] sec_pagetables 0 [ 311.539814][ T4926] percpu 0 [ 311.539814][ T4926] sock 0 [ 311.539814][ T4926] vmalloc 0 [ 311.539814][ T4926] shmem 0 [ 311.539814][ T4926] zswap 0 [ 311.539814][ T4926] zswapped 0 [ 311.539814][ T4926] file_mapped 0 [ 311.539814][ T4926] file_dirty 0 [ 311.539814][ T4926] file_writeback 0 [ 311.539814][ T4926] swapcached 0 [ 311.539814][ T4926] anon_thp 0 [ 311.539814][ T4926] file_thp 0 [ 311.539814][ T4926] shmem_thp 0 [ 311.539814][ T4926] inactive_anon 0 [ 311.539814][ T4926] active_anon 0 [ 311.539814][ T4926] inactive_file 0 [ 311.539814][ T4926] active_file 0 [ 311.539814][ T4926] unevictable 0 [ 311.539814][ T4926] slab_reclaimable 94912 [ 311.539814][ T4926] slab_unreclaimable 2016 [ 311.539814][ T4926] slab 96928 [ 311.539814][ T4926] workingset_refault_anon 0 [ 311.560407][ T4913] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 311.649214][ T4543] Bluetooth: hci21: command 0x0409 tx timeout [ 311.652291][ T4926] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.133,pid=4926,uid=0 [ 311.656686][ T4518] Could not create directory for event ocfs2_local_alloc_new_window_result [ 311.672310][ T4926] Memory cgroup out of memory: Killed process 4926 (syz.0.133) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 2026/08/16 01:10:06 executed programs: 125 [ 311.765410][ T4917] bridge0: port 1(bridge_slave_0) entered blocking state [ 311.772965][ T4917] bridge0: port 1(bridge_slave_0) entered disabled state [ 311.786519][ T4917] device bridge_slave_0 entered promiscuous mode [ 311.802867][ T4518] Failed to create system directory ocfs2 [ 311.808650][ T4518] Could not create directory for event ocfs2_local_alloc_new_window [ 311.819558][ T4917] bridge0: port 2(bridge_slave_1) entered blocking state [ 311.827073][ T4917] bridge0: port 2(bridge_slave_1) entered disabled state [ 311.844166][ T4917] device bridge_slave_1 entered promiscuous mode [ 311.858464][ T4931] syz.0.134 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 311.884587][ T4931] CPU: 1 PID: 4931 Comm: syz.0.134 Not tainted syzkaller #0 [ 311.891926][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 311.901999][ T4931] Call Trace: [ 311.905285][ T4931] [ 311.908237][ T4931] dump_stack_lvl+0x188/0x24e [ 311.912940][ T4931] ? ___ratelimit+0x14e/0x610 [ 311.917643][ T4931] ? show_regs_print_info+0x12/0x12 [ 311.922860][ T4931] ? load_image+0x410/0x410 [ 311.927374][ T4931] ? ___ratelimit+0x474/0x610 [ 311.932081][ T4931] ? radix_tree_cpu_dead+0x160/0x160 [ 311.937398][ T4931] dump_header+0xd8/0x820 [ 311.941752][ T4931] oom_kill_process+0x361/0x550 [ 311.946628][ T4931] out_of_memory+0xe25/0x1220 [ 311.951328][ T4931] ? print_unlock_imbalance_bug+0x160/0x160 [ 311.957259][ T4931] ? mutex_lock_nested+0x10/0x10 [ 311.962234][ T4931] ? unregister_oom_notifier+0x20/0x20 [ 311.967724][ T4931] mem_cgroup_out_of_memory+0x2c0/0x390 [ 311.973298][ T4931] ? mem_cgroup_oom_trylock+0x210/0x210 [ 311.978874][ T4931] ? do_raw_spin_unlock+0x11d/0x230 [ 311.984099][ T4931] try_charge_memcg+0xc9d/0x17c0 [ 311.989086][ T4931] ? percpu_ref_put+0x180/0x180 [ 311.993963][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 311.999715][ T4931] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 312.005731][ T4931] ? percpu_ref_tryget+0x15/0x180 [ 312.010778][ T4931] ? percpu_ref_tryget+0x15/0x180 [ 312.015819][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 312.021555][ T4931] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 312.027288][ T4931] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 312.033111][ T4931] obj_cgroup_charge+0x36a/0x620 [ 312.038073][ T4931] ? obj_cgroup_charge+0xe9/0x620 [ 312.043120][ T4931] ? mod_objcg_mlstate+0x320/0x320 [ 312.048260][ T4931] ? percpu_ref_put+0x12/0x100 [ 312.053037][ T4931] ? percpu_ref_put+0x12/0x100 [ 312.057815][ T4931] slab_pre_alloc_hook+0x2e2/0x300 [ 312.062939][ T4931] ? slab_pre_alloc_hook+0xb1/0x300 [ 312.068159][ T4931] kmem_cache_alloc_lru+0x49/0x2e0 [ 312.073286][ T4931] ? __d_alloc+0x2e/0x6e0 [ 312.077637][ T4931] __d_alloc+0x2e/0x6e0 [ 312.081808][ T4931] d_alloc+0x46/0x250 [ 312.085804][ T4931] lookup_one_qstr_excl+0xc6/0x240 [ 312.090929][ T4931] filename_create+0x242/0x450 [ 312.095710][ T4931] ? kern_path_create+0x50/0x50 [ 312.100573][ T4931] ? __virt_addr_valid+0x467/0x540 [ 312.105710][ T4931] do_mkdirat+0xa5/0x440 [ 312.109965][ T4931] ? vfs_mkdir+0x570/0x570 [ 312.114398][ T4931] __x64_sys_mkdirat+0x85/0x90 [ 312.119204][ T4931] do_syscall_64+0x4c/0xa0 [ 312.123634][ T4931] ? clear_bhb_loop+0x60/0xb0 [ 312.128325][ T4931] ? clear_bhb_loop+0x60/0xb0 [ 312.133015][ T4931] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 312.138923][ T4931] RIP: 0033:0x7f51c239e0d9 [ 312.143350][ 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 [ 312.162972][ T4931] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 312.171407][ T4931] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 312.179401][ T4931] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 312.187397][ T4931] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 312.192379][ T4518] Failed to create system directory ocfs2 [ 312.195370][ T4931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 312.209078][ T4931] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 312.217090][ T4931] [ 312.236628][ T4931] memory: usage 96kB, limit 96kB, failcnt 71756 [ 312.243759][ T4931] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 312.251781][ T4913] device hsr_slave_0 entered promiscuous mode [ 312.253999][ T4931] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 312.258811][ T4518] Could not create directory for event ocfs2_sync_local_to_main_free [ 312.265767][ T4931] Memory cgroup stats for /syz0/test: [ 312.273352][ T4931] anon 0 [ 312.273352][ T4931] file 0 [ 312.273352][ T4931] kernel 98304 [ 312.273352][ T4931] kernel_stack 0 [ 312.273352][ T4931] pagetables 0 [ 312.273352][ T4931] sec_pagetables 0 [ 312.273352][ T4931] percpu 0 [ 312.273352][ T4931] sock 0 [ 312.273352][ T4931] vmalloc 0 [ 312.273352][ T4931] shmem 0 [ 312.273352][ T4931] zswap 0 [ 312.273352][ T4931] zswapped 0 [ 312.273352][ T4931] file_mapped 0 [ 312.273352][ T4931] file_dirty 0 [ 312.273352][ T4931] file_writeback 0 [ 312.273352][ T4931] swapcached 0 [ 312.273352][ T4931] anon_thp 0 [ 312.273352][ T4931] file_thp 0 [ 312.273352][ T4931] shmem_thp 0 [ 312.273352][ T4931] inactive_anon 0 [ 312.273352][ T4931] active_anon 0 [ 312.273352][ T4931] inactive_file 0 [ 312.273352][ T4931] active_file 0 [ 312.273352][ T4931] unevictable 0 [ 312.273352][ T4931] slab_reclaimable 94912 [ 312.273352][ T4931] slab_unreclaimable 2016 [ 312.273352][ T4931] slab 96928 [ 312.273352][ T4931] workingset_refault_anon 0 [ 312.371988][ T4518] Failed to create system directory ocfs2 [ 312.372015][ T4518] Could not create directory for event ocfs2_sync_local_to_main [ 312.388796][ T4913] device hsr_slave_1 entered promiscuous mode [ 312.390134][ T4931] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.134,pid=4931,uid=0 [ 312.414691][ T4913] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 312.418329][ T4931] Memory cgroup out of memory: Killed process 4931 (syz.0.134) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 312.422607][ T4543] Bluetooth: hci22: command 0x0409 tx timeout [ 312.446038][ T4913] Cannot create hsr debugfs directory [ 312.523574][ T4917] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 312.533324][ T4932] syz.0.135 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 312.556260][ T4518] Failed to create system directory ocfs2 [ 312.567551][ T4917] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 312.577490][ T4518] Could not create directory for event ocfs2_local_alloc_find_clear_bits [ 312.609405][ T4932] CPU: 0 PID: 4932 Comm: syz.0.135 Not tainted syzkaller #0 [ 312.616742][ T4932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 312.626797][ T4932] Call Trace: [ 312.630070][ T4932] [ 312.632994][ T4932] dump_stack_lvl+0x188/0x24e [ 312.637670][ T4932] ? ___ratelimit+0x14e/0x610 [ 312.642345][ T4932] ? show_regs_print_info+0x12/0x12 [ 312.647538][ T4932] ? load_image+0x410/0x410 [ 312.652032][ T4932] ? ___ratelimit+0x474/0x610 [ 312.656706][ T4932] ? radix_tree_cpu_dead+0x160/0x160 [ 312.661990][ T4932] dump_header+0xd8/0x820 [ 312.666317][ T4932] oom_kill_process+0x361/0x550 [ 312.671168][ T4932] out_of_memory+0xe25/0x1220 [ 312.675839][ T4932] ? print_unlock_imbalance_bug+0x160/0x160 [ 312.681730][ T4932] ? mutex_lock_nested+0x10/0x10 [ 312.686670][ T4932] ? unregister_oom_notifier+0x20/0x20 [ 312.692126][ T4932] mem_cgroup_out_of_memory+0x2c0/0x390 [ 312.697675][ T4932] ? mem_cgroup_oom_trylock+0x210/0x210 [ 312.703221][ T4932] ? do_raw_spin_unlock+0x11d/0x230 [ 312.708416][ T4932] try_charge_memcg+0xc9d/0x17c0 [ 312.713363][ T4932] ? percpu_ref_put+0x180/0x180 [ 312.718212][ T4932] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 312.723935][ T4932] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 312.729911][ T4932] ? percpu_ref_tryget+0x15/0x180 [ 312.734931][ T4932] ? percpu_ref_tryget+0x15/0x180 [ 312.739949][ T4932] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 312.745665][ T4932] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 312.751378][ T4932] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 312.757191][ T4932] obj_cgroup_charge+0x36a/0x620 [ 312.762126][ T4932] ? obj_cgroup_charge+0xe9/0x620 [ 312.767149][ T4932] ? mod_objcg_mlstate+0x320/0x320 [ 312.772260][ T4932] ? percpu_ref_put+0x12/0x100 [ 312.777017][ T4932] ? percpu_ref_put+0x12/0x100 [ 312.781777][ T4932] slab_pre_alloc_hook+0x2e2/0x300 [ 312.786882][ T4932] ? slab_pre_alloc_hook+0xb1/0x300 [ 312.792094][ T4932] kmem_cache_alloc_lru+0x49/0x2e0 [ 312.797219][ T4932] ? __d_alloc+0x2e/0x6e0 [ 312.801551][ T4932] __d_alloc+0x2e/0x6e0 [ 312.805708][ T4932] d_alloc+0x46/0x250 [ 312.809685][ T4932] lookup_one_qstr_excl+0xc6/0x240 [ 312.814792][ T4932] filename_create+0x242/0x450 [ 312.819551][ T4932] ? kern_path_create+0x50/0x50 [ 312.824398][ T4932] ? __virt_addr_valid+0x467/0x540 [ 312.829510][ T4932] do_mkdirat+0xa5/0x440 [ 312.833745][ T4932] ? vfs_mkdir+0x570/0x570 [ 312.838157][ T4932] __x64_sys_mkdirat+0x85/0x90 [ 312.842911][ T4932] do_syscall_64+0x4c/0xa0 [ 312.847324][ T4932] ? clear_bhb_loop+0x60/0xb0 [ 312.851995][ T4932] ? clear_bhb_loop+0x60/0xb0 [ 312.856668][ T4932] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 312.862574][ T4932] RIP: 0033:0x7f51c239e0d9 [ 312.867000][ T4932] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 312.886608][ T4932] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 312.895021][ T4932] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 312.902982][ T4932] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 312.910946][ T4932] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 312.918910][ T4932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 312.926876][ T4932] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 312.934853][ T4932] [ 312.953059][ T4932] memory: usage 96kB, limit 96kB, failcnt 71864 [ 312.969336][ T4932] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 312.977246][ T4932] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 312.984508][ T4932] Memory cgroup stats for /syz0/test: [ 312.984655][ T4932] anon 0 [ 312.984655][ T4932] file 0 [ 312.984655][ T4932] kernel 98304 [ 312.984655][ T4932] kernel_stack 0 [ 312.984655][ T4932] pagetables 0 [ 312.984655][ T4932] sec_pagetables 0 [ 312.984655][ T4932] percpu 0 [ 312.984655][ T4932] sock 0 [ 312.984655][ T4932] vmalloc 0 [ 312.984655][ T4932] shmem 0 [ 312.984655][ T4932] zswap 0 [ 312.984655][ T4932] zswapped 0 [ 312.984655][ T4932] file_mapped 0 [ 312.984655][ T4932] file_dirty 0 [ 312.984655][ T4932] file_writeback 0 [ 312.984655][ T4932] swapcached 0 [ 312.984655][ T4932] anon_thp 0 [ 312.984655][ T4932] file_thp 0 [ 312.984655][ T4932] shmem_thp 0 [ 312.984655][ T4932] inactive_anon 0 [ 312.984655][ T4932] active_anon 0 [ 312.984655][ T4932] inactive_file 0 [ 312.984655][ T4932] active_file 0 [ 312.984655][ T4932] unevictable 0 [ 312.984655][ T4932] slab_reclaimable 94912 [ 312.984655][ T4932] slab_unreclaimable 2016 [ 312.984655][ T4932] slab 96928 [ 312.984655][ T4932] workingset_refault_anon 0 [ 313.051540][ T4518] Failed to create system directory ocfs2 [ 313.093582][ T4518] Could not create directory for event ocfs2_local_alloc_find_clear_bits_search_bitmap [ 313.114052][ T4917] team0: Port device team_slave_0 added [ 313.129829][ T4917] team0: Port device team_slave_1 added [ 313.136633][ T4932] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.135,pid=4932,uid=0 [ 313.153228][ T4932] Memory cgroup out of memory: Killed process 4932 (syz.0.135) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 313.168141][ T4518] Failed to create system directory ocfs2 [ 313.180390][ T4518] Could not create directory for event ocfs2_local_alloc_count_bits [ 313.247014][ T4518] Failed to create system directory ocfs2 [ 313.253554][ T4518] Could not create directory for event ocfs2_reserve_local_alloc_bits [ 313.273811][ T4917] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 313.282334][ T4917] 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. [ 313.323607][ T4933] syz.0.136 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 313.336123][ T4917] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 313.351699][ T4518] Failed to create system directory ocfs2 [ 313.359770][ T4917] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 313.366927][ T4917] 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. [ 313.393625][ T4518] Could not create directory for event ocfs2_begin_local_alloc_recovery [ 313.408780][ T4933] CPU: 1 PID: 4933 Comm: syz.0.136 Not tainted syzkaller #0 [ 313.416118][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 313.426182][ T4933] Call Trace: [ 313.429458][ T4933] [ 313.432390][ T4933] dump_stack_lvl+0x188/0x24e [ 313.437072][ T4933] ? ___ratelimit+0x14e/0x610 [ 313.441758][ T4933] ? show_regs_print_info+0x12/0x12 [ 313.446953][ T4933] ? load_image+0x410/0x410 [ 313.451448][ T4933] ? ___ratelimit+0x474/0x610 [ 313.456126][ T4933] ? radix_tree_cpu_dead+0x160/0x160 [ 313.461410][ T4933] dump_header+0xd8/0x820 [ 313.465735][ T4933] oom_kill_process+0x361/0x550 [ 313.470580][ T4933] out_of_memory+0xe25/0x1220 [ 313.475252][ T4933] ? print_unlock_imbalance_bug+0x160/0x160 [ 313.481145][ T4933] ? mutex_lock_nested+0x10/0x10 [ 313.486087][ T4933] ? unregister_oom_notifier+0x20/0x20 [ 313.491547][ T4933] mem_cgroup_out_of_memory+0x2c0/0x390 [ 313.497093][ T4933] ? mem_cgroup_oom_trylock+0x210/0x210 [ 313.502639][ T4933] ? do_raw_spin_unlock+0x11d/0x230 [ 313.507835][ T4933] try_charge_memcg+0xc9d/0x17c0 [ 313.512784][ T4933] ? percpu_ref_put+0x180/0x180 [ 313.517627][ T4933] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 313.523347][ T4933] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 313.529323][ T4933] ? percpu_ref_tryget+0x15/0x180 [ 313.534342][ T4933] ? percpu_ref_tryget+0x15/0x180 [ 313.539360][ T4933] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 313.545072][ T4933] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 313.550796][ T4933] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 313.556599][ T4933] obj_cgroup_charge+0x36a/0x620 [ 313.561537][ T4933] ? obj_cgroup_charge+0xe9/0x620 [ 313.566552][ T4933] ? mod_objcg_mlstate+0x320/0x320 [ 313.571666][ T4933] ? percpu_ref_put+0x12/0x100 [ 313.576424][ T4933] ? percpu_ref_put+0x12/0x100 [ 313.581183][ T4933] slab_pre_alloc_hook+0x2e2/0x300 [ 313.586286][ T4933] ? slab_pre_alloc_hook+0xb1/0x300 [ 313.591478][ T4933] kmem_cache_alloc_lru+0x49/0x2e0 [ 313.596579][ T4933] ? __d_alloc+0x2e/0x6e0 [ 313.600903][ T4933] __d_alloc+0x2e/0x6e0 [ 313.605051][ T4933] d_alloc+0x46/0x250 [ 313.609028][ T4933] lookup_one_qstr_excl+0xc6/0x240 [ 313.614140][ T4933] filename_create+0x242/0x450 [ 313.618900][ T4933] ? kern_path_create+0x50/0x50 [ 313.623742][ T4933] ? __virt_addr_valid+0x467/0x540 [ 313.628857][ T4933] do_mkdirat+0xa5/0x440 [ 313.633099][ T4933] ? vfs_mkdir+0x570/0x570 [ 313.637513][ T4933] __x64_sys_mkdirat+0x85/0x90 [ 313.642271][ T4933] do_syscall_64+0x4c/0xa0 [ 313.646684][ T4933] ? clear_bhb_loop+0x60/0xb0 [ 313.651356][ T4933] ? clear_bhb_loop+0x60/0xb0 [ 313.656026][ T4933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 313.661913][ T4933] RIP: 0033:0x7f51c239e0d9 [ 313.666320][ T4933] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 313.685917][ T4933] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 313.694327][ T4933] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 313.702290][ T4933] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 313.710252][ T4933] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 313.718217][ T4933] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 313.726181][ T4933] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 313.734157][ T4933] [ 313.740583][ T4543] Bluetooth: hci21: command 0x041b tx timeout [ 313.754890][ T4917] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 313.806858][ T4518] Failed to create system directory ocfs2 [ 313.829752][ T4518] Could not create directory for event ocfs2_load_local_alloc [ 313.845370][ T4913] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 313.850633][ T4933] memory: usage 96kB, limit 96kB, failcnt 72080 [ 313.900614][ T4933] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 313.908212][ T4933] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 313.919613][ T4917] device hsr_slave_0 entered promiscuous mode [ 313.930844][ T4917] device hsr_slave_1 entered promiscuous mode [ 313.937937][ T4933] Memory cgroup stats for /syz0/test: [ 313.938128][ T4933] anon 0 [ 313.938128][ T4933] file 0 [ 313.938128][ T4933] kernel 98304 [ 313.938128][ T4933] kernel_stack 0 [ 313.938128][ T4933] pagetables 0 [ 313.938128][ T4933] sec_pagetables 0 [ 313.938128][ T4933] percpu 0 [ 313.938128][ T4933] sock 0 [ 313.938128][ T4933] vmalloc 0 [ 313.938128][ T4933] shmem 0 [ 313.938128][ T4933] zswap 0 [ 313.938128][ T4933] zswapped 0 [ 313.938128][ T4933] file_mapped 0 [ 313.938128][ T4933] file_dirty 0 [ 313.938128][ T4933] file_writeback 0 [ 313.938128][ T4933] swapcached 0 [ 313.938128][ T4933] anon_thp 0 [ 313.938128][ T4933] file_thp 0 [ 313.938128][ T4933] shmem_thp 0 [ 313.938128][ T4933] inactive_anon 0 [ 313.938128][ T4933] active_anon 0 [ 313.938128][ T4933] inactive_file 0 [ 313.938128][ T4933] active_file 0 [ 313.938128][ T4933] unevictable 0 [ 313.938128][ T4933] slab_reclaimable 94912 [ 313.938128][ T4933] slab_unreclaimable 2016 [ 313.938128][ T4933] slab 96928 [ 313.938128][ T4933] workingset_refault_anon 0 [ 313.975153][ T4518] Failed to create system directory ocfs2 [ 314.039276][ T4917] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 314.053934][ T4917] Cannot create hsr debugfs directory [ 314.087615][ T4913] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 314.172563][ T4913] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 314.207560][ T4518] Could not create directory for event ocfs2_alloc_should_use_local [ 314.240493][ T4933] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.136,pid=4933,uid=0 [ 314.268979][ T4518] Failed to create system directory ocfs2 [ 314.283132][ T4933] Memory cgroup out of memory: Killed process 4933 (syz.0.136) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 314.299925][ T4518] Could not create directory for event ocfs2_la_set_sizes [ 314.309881][ T4913] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 314.354259][ T4518] Failed to create system directory ocfs2 [ 314.360049][ T4518] Could not create directory for event ocfs2_trim_fs [ 314.437379][ T4518] Failed to create system directory ocfs2 [ 314.449875][ T4934] syz.0.137 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 314.459367][ T4518] Could not create directory for event ocfs2_trim_mainbm [ 314.488123][ T4934] CPU: 0 PID: 4934 Comm: syz.0.137 Not tainted syzkaller #0 [ 314.495464][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 314.497763][ T4917] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 314.505511][ T4934] Call Trace: [ 314.505522][ T4934] [ 314.505530][ T4934] dump_stack_lvl+0x188/0x24e [ 314.505555][ T4934] ? ___ratelimit+0x14e/0x610 [ 314.505581][ T4934] ? show_regs_print_info+0x12/0x12 [ 314.536754][ T4934] ? load_image+0x410/0x410 [ 314.541280][ T4934] ? ___ratelimit+0x474/0x610 [ 314.545981][ T4934] ? radix_tree_cpu_dead+0x160/0x160 [ 314.551282][ T4934] dump_header+0xd8/0x820 [ 314.555614][ T4934] oom_kill_process+0x361/0x550 [ 314.560480][ T4934] out_of_memory+0xe25/0x1220 [ 314.565179][ T4934] ? print_unlock_imbalance_bug+0x160/0x160 [ 314.569394][ T4518] Failed to create system directory ocfs2 [ 314.571075][ T4934] ? mutex_lock_nested+0x10/0x10 [ 314.571103][ T4934] ? unregister_oom_notifier+0x20/0x20 [ 314.571128][ T4934] mem_cgroup_out_of_memory+0x2c0/0x390 [ 314.576834][ T4518] Could not create directory for event ocfs2_trim_group [ 314.581736][ T4934] ? mem_cgroup_oom_trylock+0x210/0x210 [ 314.581764][ T4934] ? do_raw_spin_unlock+0x11d/0x230 [ 314.581784][ T4934] try_charge_memcg+0xc9d/0x17c0 [ 314.581822][ T4934] ? percpu_ref_put+0x180/0x180 [ 314.581843][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 314.581872][ T4934] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 314.581896][ T4934] ? percpu_ref_tryget+0x15/0x180 [ 314.581916][ T4934] ? percpu_ref_tryget+0x15/0x180 [ 314.581938][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 314.581959][ T4934] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 314.581982][ T4934] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 314.582006][ T4934] obj_cgroup_charge+0x36a/0x620 [ 314.582036][ T4934] ? obj_cgroup_charge+0xe9/0x620 [ 314.582056][ T4934] ? mod_objcg_mlstate+0x320/0x320 [ 314.582080][ T4934] ? percpu_ref_put+0x12/0x100 [ 314.582098][ T4934] ? percpu_ref_put+0x12/0x100 [ 314.582118][ T4934] slab_pre_alloc_hook+0x2e2/0x300 [ 314.582135][ T4934] ? slab_pre_alloc_hook+0xb1/0x300 [ 314.582157][ T4934] kmem_cache_alloc_lru+0x49/0x2e0 [ 314.582173][ T4934] ? __d_alloc+0x2e/0x6e0 [ 314.582195][ T4934] __d_alloc+0x2e/0x6e0 [ 314.582214][ T4934] d_alloc+0x46/0x250 [ 314.582234][ T4934] lookup_one_qstr_excl+0xc6/0x240 [ 314.582255][ T4934] filename_create+0x242/0x450 [ 314.582278][ T4934] ? kern_path_create+0x50/0x50 [ 314.726234][ T4934] ? __virt_addr_valid+0x467/0x540 [ 314.731354][ T4934] do_mkdirat+0xa5/0x440 [ 314.735594][ T4934] ? vfs_mkdir+0x570/0x570 [ 314.740008][ T4934] __x64_sys_mkdirat+0x85/0x90 [ 314.744789][ T4934] do_syscall_64+0x4c/0xa0 [ 314.749215][ T4934] ? clear_bhb_loop+0x60/0xb0 [ 314.753898][ T4934] ? clear_bhb_loop+0x60/0xb0 [ 314.758596][ T4934] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 314.764488][ T4934] RIP: 0033:0x7f51c239e0d9 [ 314.768895][ T4934] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 314.788493][ T4934] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 314.796896][ T4934] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 314.804860][ T4934] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 314.812822][ T4934] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 314.820784][ T4934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 314.828749][ T4934] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 314.836726][ T4934] [ 314.842552][ T4543] Bluetooth: hci22: command 0x041b tx timeout [ 314.880352][ T4934] memory: usage 96kB, limit 96kB, failcnt 72302 [ 314.886650][ T4934] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 314.906629][ T4934] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 314.924203][ T4934] Memory cgroup stats for /syz0/test: [ 314.924351][ T4934] anon 0 [ 314.924351][ T4934] file 0 [ 314.924351][ T4934] kernel 98304 [ 314.924351][ T4934] kernel_stack 0 [ 314.924351][ T4934] pagetables 0 [ 314.924351][ T4934] sec_pagetables 0 [ 314.924351][ T4934] percpu 0 [ 314.924351][ T4934] sock 0 [ 314.924351][ T4934] vmalloc 0 [ 314.924351][ T4934] shmem 0 [ 314.924351][ T4934] zswap 0 [ 314.924351][ T4934] zswapped 0 [ 314.924351][ T4934] file_mapped 0 [ 314.924351][ T4934] file_dirty 0 [ 314.924351][ T4934] file_writeback 0 [ 314.924351][ T4934] swapcached 0 [ 314.924351][ T4934] anon_thp 0 [ 314.924351][ T4934] file_thp 0 [ 314.924351][ T4934] shmem_thp 0 [ 314.924351][ T4934] inactive_anon 0 [ 314.924351][ T4934] active_anon 0 [ 314.924351][ T4934] inactive_file 0 [ 314.924351][ T4934] active_file 0 [ 314.924351][ T4934] unevictable 0 [ 314.924351][ T4934] slab_reclaimable 94912 [ 314.924351][ T4934] slab_unreclaimable 2016 [ 314.924351][ T4934] slab 96928 [ 314.924351][ T4934] workingset_refault_anon 0 [ 314.925490][ T4518] Failed to create system directory ocfs2 [ 314.929765][ T4934] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset= [ 315.037485][ T4917] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 315.057852][ T4934] test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.137,pid=4934,uid=0 [ 315.076548][ T4934] Memory cgroup out of memory: Killed process 4934 (syz.0.137) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 315.129979][ T4917] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 315.147619][ T4518] Could not create directory for event ocfs2_trim_extent [ 315.211819][ T4935] syz.0.138 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 315.215696][ T4518] Failed to create system directory ocfs2 [ 315.221986][ T4935] CPU: 1 PID: 4935 Comm: syz.0.138 Not tainted syzkaller #0 [ 315.235008][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 315.240593][ T4518] Could not create directory for event ocfs2_cache_block_dealloc [ 315.245087][ T4935] Call Trace: [ 315.245096][ T4935] [ 315.259007][ T4935] dump_stack_lvl+0x188/0x24e [ 315.263708][ T4935] ? ___ratelimit+0x14e/0x610 [ 315.268400][ T4935] ? show_regs_print_info+0x12/0x12 [ 315.273616][ T4935] ? load_image+0x410/0x410 [ 315.278135][ T4935] ? ___ratelimit+0x474/0x610 [ 315.282841][ T4935] ? radix_tree_cpu_dead+0x160/0x160 [ 315.288150][ T4935] dump_header+0xd8/0x820 [ 315.292496][ T4935] oom_kill_process+0x361/0x550 [ 315.297361][ T4935] out_of_memory+0xe25/0x1220 [ 315.302054][ T4935] ? print_unlock_imbalance_bug+0x160/0x160 [ 315.307968][ T4935] ? mutex_lock_nested+0x10/0x10 [ 315.312928][ T4935] ? unregister_oom_notifier+0x20/0x20 [ 315.318409][ T4935] mem_cgroup_out_of_memory+0x2c0/0x390 [ 315.323973][ T4935] ? mem_cgroup_oom_trylock+0x210/0x210 [ 315.329545][ T4935] ? do_raw_spin_unlock+0x11d/0x230 [ 315.331734][ T4518] Failed to create system directory ocfs2 [ 315.334748][ T4935] try_charge_memcg+0xc9d/0x17c0 [ 315.345419][ T4935] ? percpu_ref_put+0x180/0x180 [ 315.350284][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 315.356029][ T4935] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 315.362034][ T4935] ? percpu_ref_tryget+0x15/0x180 [ 315.365134][ T4518] Could not create directory for event ocfs2_run_deallocs [ 315.367071][ T4935] ? percpu_ref_tryget+0x15/0x180 [ 315.379207][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 315.384948][ T4935] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 315.390686][ T4935] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 315.396514][ T4935] obj_cgroup_charge+0x36a/0x620 [ 315.401481][ T4935] ? obj_cgroup_charge+0xe9/0x620 [ 315.406523][ T4935] ? mod_objcg_mlstate+0x320/0x320 [ 315.411656][ T4935] ? percpu_ref_put+0x12/0x100 [ 315.416429][ T4935] ? percpu_ref_put+0x12/0x100 [ 315.421205][ T4935] slab_pre_alloc_hook+0x2e2/0x300 [ 315.426323][ T4935] ? slab_pre_alloc_hook+0xb1/0x300 [ 315.431534][ T4935] kmem_cache_alloc_lru+0x49/0x2e0 [ 315.436659][ T4935] ? __d_alloc+0x2e/0x6e0 [ 315.441001][ T4935] __d_alloc+0x2e/0x6e0 [ 315.445171][ T4935] d_alloc+0x46/0x250 [ 315.449165][ T4935] lookup_one_qstr_excl+0xc6/0x240 [ 315.453303][ T4518] Failed to create system directory ocfs2 [ 315.454275][ T4935] filename_create+0x242/0x450 [ 315.459986][ T4518] Could not create directory for event ocfs2_cache_cluster_dealloc [ 315.464726][ T4935] ? kern_path_create+0x50/0x50 [ 315.464745][ T4935] ? __virt_addr_valid+0x467/0x540 [ 315.464772][ T4935] do_mkdirat+0xa5/0x440 [ 315.464791][ T4935] ? vfs_mkdir+0x570/0x570 [ 315.464816][ T4935] __x64_sys_mkdirat+0x85/0x90 [ 315.464836][ T4935] do_syscall_64+0x4c/0xa0 [ 315.464857][ T4935] ? clear_bhb_loop+0x60/0xb0 [ 315.464878][ T4935] ? clear_bhb_loop+0x60/0xb0 [ 315.464901][ T4935] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 315.464922][ T4935] RIP: 0033:0x7f51c239e0d9 [ 315.464940][ 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 [ 315.464955][ T4935] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 315.464974][ T4935] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 315.556197][ T4935] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 315.564181][ T4935] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 315.572166][ T4935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 315.580152][ T4935] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 315.588158][ T4935] [ 315.597248][ T4518] Failed to create system directory ocfs2 [ 315.618502][ T4935] memory: usage 96kB, limit 96kB, failcnt 72512 [ 315.634851][ T4917] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 315.645262][ T4518] Could not create directory for event ocfs2_free_cached_blocks [ 315.653237][ T4935] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 315.667801][ T4935] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 315.680446][ T4935] Memory cgroup stats for /syz0/test: [ 315.680597][ T4935] anon 0 [ 315.680597][ T4935] file 0 [ 315.680597][ T4935] kernel 98304 [ 315.680597][ T4935] kernel_stack 0 [ 315.680597][ T4935] pagetables 0 [ 315.680597][ T4935] sec_pagetables 0 [ 315.680597][ T4935] percpu 0 [ 315.680597][ T4935] sock 0 [ 315.680597][ T4935] vmalloc 0 [ 315.680597][ T4935] shmem 0 [ 315.680597][ T4935] zswap 0 [ 315.680597][ T4935] zswapped 0 [ 315.680597][ T4935] file_mapped 0 [ 315.680597][ T4935] file_dirty 0 [ 315.680597][ T4935] file_writeback 0 [ 315.680597][ T4935] swapcached 0 [ 315.680597][ T4935] anon_thp 0 [ 315.680597][ T4935] file_thp 0 [ 315.680597][ T4935] shmem_thp 0 [ 315.680597][ T4935] inactive_anon 0 [ 315.680597][ T4935] active_anon 0 [ 315.680597][ T4935] inactive_file 0 [ 315.680597][ T4935] active_file 0 [ 315.680597][ T4935] unevictable 0 [ 315.680597][ T4935] slab_reclaimable 94912 [ 315.680597][ T4935] slab_unreclaimable 2016 [ 315.680597][ T4935] slab 96928 [ 315.680597][ T4935] workingset_refault_anon 0 [ 315.758353][ T4518] Failed to create system directory ocfs2 [ 315.787547][ T4369] Bluetooth: hci21: command 0x040f tx timeout [ 315.797259][ T4935] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.138,pid=4935,uid=0 [ 315.826808][ T4935] Memory cgroup out of memory: Killed process 4935 (syz.0.138) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 315.905766][ T4518] Could not create directory for event ocfs2_complete_truncate_log_recovery [ 316.024321][ T4936] syz.0.139 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 316.038827][ T4913] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 316.055041][ T4518] Failed to create system directory ocfs2 [ 316.061635][ T4913] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 316.069128][ T4936] CPU: 0 PID: 4936 Comm: syz.0.139 Not tainted syzkaller #0 [ 316.075911][ T4518] Could not create directory for event ocfs2_truncate_log_recovery_num [ 316.076422][ T4936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 316.094719][ T4936] Call Trace: [ 316.098015][ T4936] [ 316.100953][ T4936] dump_stack_lvl+0x188/0x24e [ 316.105643][ T4936] ? ___ratelimit+0x14e/0x610 [ 316.110332][ T4936] ? show_regs_print_info+0x12/0x12 [ 316.115551][ T4936] ? load_image+0x410/0x410 [ 316.120071][ T4936] ? ___ratelimit+0x474/0x610 [ 316.123681][ T4369] Bluetooth: hci23: unexpected cc 0x0c03 length: 249 > 1 [ 316.124755][ T4936] ? radix_tree_cpu_dead+0x160/0x160 [ 316.134223][ T4369] Bluetooth: hci23: unexpected cc 0x1003 length: 249 > 9 [ 316.137159][ T4936] dump_header+0xd8/0x820 [ 316.145475][ T4369] Bluetooth: hci23: unexpected cc 0x1001 length: 249 > 9 [ 316.148471][ T4936] oom_kill_process+0x361/0x550 [ 316.156587][ T4369] Bluetooth: hci23: unexpected cc 0x0c23 length: 249 > 4 [ 316.160312][ T4936] out_of_memory+0xe25/0x1220 [ 316.160340][ T4936] ? print_unlock_imbalance_bug+0x160/0x160 [ 316.160365][ T4936] ? mutex_lock_nested+0x10/0x10 [ 316.160392][ T4936] ? unregister_oom_notifier+0x20/0x20 [ 316.160419][ T4936] mem_cgroup_out_of_memory+0x2c0/0x390 [ 316.160443][ T4936] ? mem_cgroup_oom_trylock+0x210/0x210 [ 316.160470][ T4936] ? do_raw_spin_unlock+0x11d/0x230 [ 316.160492][ T4936] try_charge_memcg+0xc9d/0x17c0 [ 316.160532][ T4936] ? percpu_ref_put+0x180/0x180 [ 316.160555][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 316.160586][ T4936] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 316.160609][ T4936] ? percpu_ref_tryget+0x15/0x180 [ 316.160629][ T4936] ? percpu_ref_tryget+0x15/0x180 [ 316.160650][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 316.160671][ T4936] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 316.160696][ T4936] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 316.160719][ T4936] obj_cgroup_charge+0x36a/0x620 [ 316.171743][ T4369] Bluetooth: hci23: unexpected cc 0x0c25 length: 249 > 3 [ 316.172394][ T4936] ? obj_cgroup_charge+0xe9/0x620 [ 316.178619][ T4369] Bluetooth: hci23: unexpected cc 0x0c38 length: 249 > 2 [ 316.183187][ T4936] ? mod_objcg_mlstate+0x320/0x320 [ 316.183217][ T4936] ? percpu_ref_put+0x12/0x100 [ 316.183237][ T4936] ? percpu_ref_put+0x12/0x100 [ 316.233691][ T4518] Failed to create system directory ocfs2 [ 316.236412][ T4936] slab_pre_alloc_hook+0x2e2/0x300 [ 316.252628][ T4518] Could not create directory for event ocfs2_begin_truncate_log_recovery [ 316.253603][ T4936] ? slab_pre_alloc_hook+0xb1/0x300 [ 316.303701][ T4518] Failed to create system directory ocfs2 [ 316.311355][ T4936] kmem_cache_alloc_lru+0x49/0x2e0 [ 316.311379][ T4936] ? __d_alloc+0x2e/0x6e0 [ 316.311400][ T4936] __d_alloc+0x2e/0x6e0 [ 316.311420][ T4936] d_alloc+0x46/0x250 [ 316.311438][ T4936] lookup_one_qstr_excl+0xc6/0x240 [ 316.311458][ T4936] filename_create+0x242/0x450 [ 316.311482][ T4936] ? kern_path_create+0x50/0x50 [ 316.311502][ T4936] ? __virt_addr_valid+0x467/0x540 [ 316.311530][ T4936] do_mkdirat+0xa5/0x440 [ 316.311550][ T4936] ? vfs_mkdir+0x570/0x570 [ 316.311576][ T4936] __x64_sys_mkdirat+0x85/0x90 [ 316.311596][ T4936] do_syscall_64+0x4c/0xa0 [ 316.311618][ T4936] ? clear_bhb_loop+0x60/0xb0 [ 316.311639][ T4936] ? clear_bhb_loop+0x60/0xb0 [ 316.311661][ T4936] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 316.311681][ T4936] RIP: 0033:0x7f51c239e0d9 [ 316.311699][ T4936] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 316.311713][ T4936] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 316.311734][ T4936] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 316.311747][ T4936] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 316.311760][ T4936] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 316.311771][ T4936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 316.311783][ T4936] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 316.311811][ T4936] [ 316.350872][ T4936] memory: usage 96kB, limit 96kB, failcnt 72692 [ 316.382058][ T4913] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 316.480398][ T4518] Could not create directory for event ocfs2_flush_truncate_log [ 316.496228][ T4936] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 316.512447][ T4936] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 316.519440][ T4936] Memory cgroup stats for /syz0/test: [ 316.519611][ T4936] anon 0 [ 316.519611][ T4936] file 0 [ 316.519611][ T4936] kernel 98304 [ 316.519611][ T4936] kernel_stack 0 [ 316.519611][ T4936] pagetables 0 [ 316.519611][ T4936] sec_pagetables 0 [ 316.519611][ T4936] percpu 0 [ 316.519611][ T4936] sock 0 [ 316.519611][ T4936] vmalloc 0 [ 316.519611][ T4936] shmem 0 [ 316.519611][ T4936] zswap 0 [ 316.519611][ T4936] zswapped 0 [ 316.519611][ T4936] file_mapped 0 [ 316.519611][ T4936] file_dirty 0 [ 316.519611][ T4936] file_writeback 0 [ 316.519611][ T4936] swapcached 0 [ 316.519611][ T4936] anon_thp 0 [ 316.519611][ T4936] file_thp 0 [ 316.519611][ T4936] shmem_thp 0 [ 316.519611][ T4936] inactive_anon 0 [ 316.519611][ T4936] active_anon 0 [ 316.519611][ T4936] inactive_file 0 [ 316.519611][ T4936] active_file 0 [ 316.519611][ T4936] unevictable 0 [ 316.519611][ T4936] slab_reclaimable 94912 [ 316.519611][ T4936] slab_unreclaimable 2016 [ 316.519611][ T4936] slab 96928 [ 316.519611][ T4936] workingset_refault_anon 0 [ 316.632454][ T4917] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 316.652639][ T4936] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.139,pid=4936,uid=0 [ 316.661225][ T4917] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 316.675875][ T4518] Failed to create system directory ocfs2 [ 316.681930][ T4518] Could not create directory for event ocfs2_replay_truncate_records [ 316.693005][ T4936] Memory cgroup out of memory: Killed process 4936 (syz.0.139) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 316.712139][ T4913] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 316.736388][ T4917] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 316.747527][ T4917] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 316.758847][ T4518] Failed to create system directory ocfs2 [ 316.765356][ T4518] Could not create directory for event ocfs2_truncate_log_append 2026/08/16 01:10:11 executed programs: 131 [ 316.890116][ T4518] Failed to create system directory ocfs2 [ 316.901266][ T4367] Bluetooth: hci22: command 0x040f tx timeout [ 316.921840][ T4941] syz.0.141 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 316.930294][ T4518] Could not create directory for event ocfs2_mark_extent_written [ 316.931814][ T4941] CPU: 0 PID: 4941 Comm: syz.0.141 Not tainted syzkaller #0 [ 316.946600][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 316.956672][ T4941] Call Trace: [ 316.959969][ T4941] [ 316.962919][ T4941] dump_stack_lvl+0x188/0x24e [ 316.967628][ T4941] ? ___ratelimit+0x14e/0x610 [ 316.972334][ T4941] ? show_regs_print_info+0x12/0x12 [ 316.977554][ T4941] ? load_image+0x410/0x410 [ 316.982073][ T4941] ? ___ratelimit+0x474/0x610 [ 316.986778][ T4941] ? radix_tree_cpu_dead+0x160/0x160 [ 316.992089][ T4941] dump_header+0xd8/0x820 [ 316.996441][ T4941] oom_kill_process+0x361/0x550 [ 317.001311][ T4941] out_of_memory+0xe25/0x1220 [ 317.006009][ T4941] ? print_unlock_imbalance_bug+0x160/0x160 [ 317.011931][ T4941] ? mutex_lock_nested+0x10/0x10 [ 317.016898][ T4941] ? unregister_oom_notifier+0x20/0x20 [ 317.022394][ T4941] mem_cgroup_out_of_memory+0x2c0/0x390 [ 317.027964][ T4941] ? mem_cgroup_oom_trylock+0x210/0x210 [ 317.033534][ T4941] ? do_raw_spin_unlock+0x11d/0x230 [ 317.038742][ T4941] try_charge_memcg+0xc9d/0x17c0 [ 317.043718][ T4941] ? percpu_ref_put+0x180/0x180 [ 317.048582][ T4941] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.054324][ T4941] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 317.060319][ T4941] ? percpu_ref_tryget+0x15/0x180 [ 317.065352][ T4941] ? percpu_ref_tryget+0x15/0x180 [ 317.070391][ T4941] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.071176][ T4518] Failed to create system directory ocfs2 [ 317.076108][ T4941] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.081928][ T4518] Could not create directory for event ocfs2_add_clusters_in_btree_ret [ 317.087511][ T4941] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 317.101560][ T4941] obj_cgroup_charge+0x36a/0x620 [ 317.106523][ T4941] ? obj_cgroup_charge+0xe9/0x620 [ 317.111574][ T4941] ? mod_objcg_mlstate+0x320/0x320 [ 317.116713][ T4941] ? percpu_ref_put+0x12/0x100 [ 317.121503][ T4941] ? percpu_ref_put+0x12/0x100 [ 317.126281][ T4941] slab_pre_alloc_hook+0x2e2/0x300 [ 317.131406][ T4941] ? slab_pre_alloc_hook+0xb1/0x300 [ 317.136622][ T4941] kmem_cache_alloc_lru+0x49/0x2e0 [ 317.141742][ T4941] ? __d_alloc+0x2e/0x6e0 [ 317.146087][ T4941] __d_alloc+0x2e/0x6e0 [ 317.150260][ T4941] d_alloc+0x46/0x250 [ 317.154252][ T4941] lookup_one_qstr_excl+0xc6/0x240 [ 317.159369][ T4941] filename_create+0x242/0x450 [ 317.164146][ T4941] ? kern_path_create+0x50/0x50 [ 317.169003][ T4941] ? __virt_addr_valid+0x467/0x540 [ 317.174134][ T4941] do_mkdirat+0xa5/0x440 [ 317.178392][ T4941] ? vfs_mkdir+0x570/0x570 [ 317.182830][ T4941] __x64_sys_mkdirat+0x85/0x90 [ 317.186496][ T4518] Failed to create system directory ocfs2 [ 317.187591][ T4941] do_syscall_64+0x4c/0xa0 [ 317.197720][ T4941] ? clear_bhb_loop+0x60/0xb0 [ 317.202412][ T4941] ? clear_bhb_loop+0x60/0xb0 [ 317.207104][ T4941] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 317.210281][ T4518] Could not create directory for event ocfs2_rotate_leaf [ 317.212994][ T4941] RIP: 0033:0x7f51c239e0d9 [ 317.224425][ T4941] 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 [ 317.244051][ T4941] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 317.252480][ T4941] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 317.260452][ T4941] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 317.268430][ T4941] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 317.276413][ T4941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 317.284400][ T4941] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 317.285545][ T4518] Failed to create system directory ocfs2 [ 317.292379][ T4941] [ 317.309808][ T4941] memory: usage 96kB, limit 96kB, failcnt 72944 [ 317.311762][ T1280] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.316138][ T4941] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 317.333129][ T4941] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 317.340271][ T4941] Memory cgroup stats for /syz0/test: [ 317.340416][ T4941] anon 0 [ 317.340416][ T4941] file 0 [ 317.340416][ T4941] kernel 98304 [ 317.340416][ T4941] kernel_stack 0 [ 317.340416][ T4941] pagetables 0 [ 317.340416][ T4941] sec_pagetables 0 [ 317.340416][ T4941] percpu 0 [ 317.340416][ T4941] sock 0 [ 317.340416][ T4941] vmalloc 0 [ 317.340416][ T4941] shmem 0 [ 317.340416][ T4941] zswap 0 [ 317.340416][ T4941] zswapped 0 [ 317.340416][ T4941] file_mapped 0 [ 317.340416][ T4941] file_dirty 0 [ 317.340416][ T4941] file_writeback 0 [ 317.340416][ T4941] swapcached 0 [ 317.340416][ T4941] anon_thp 0 [ 317.340416][ T4941] file_thp 0 [ 317.340416][ T4941] shmem_thp 0 [ 317.340416][ T4941] inactive_anon 0 [ 317.340416][ T4941] active_anon 0 [ 317.340416][ T4941] inactive_file 0 [ 317.340416][ T4941] active_file 0 [ 317.340416][ T4941] unevictable 0 [ 317.340416][ T4941] slab_reclaimable 94912 [ 317.340416][ T4941] slab_unreclaimable 2016 [ 317.340416][ T4941] slab 96928 [ 317.340416][ T4941] workingset_refault_anon 0 [ 317.344968][ T1280] ieee802154 phy1 wpan1: encryption failed: -22 [ 317.345807][ T4941] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset= [ 317.461054][ T4917] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.477797][ T4941] test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.141,pid=4941,uid=0 [ 317.489678][ T4917] 8021q: adding VLAN 0 to HW filter on device team0 [ 317.499617][ T4518] Could not create directory for event ocfs2_validate_extent_block [ 317.500125][ T4913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.521001][ T4941] Memory cgroup out of memory: Killed process 4941 (syz.0.141) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 317.532868][ T4518] Failed to create system directory ocfs2 [ 317.548544][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 317.556088][ T4518] Could not create directory for event ocfs2_commit_truncate [ 317.557495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 317.594085][ T4518] Failed to create system directory ocfs2 [ 317.599910][ T4518] Could not create directory for event ocfs2_remove_extent [ 317.617540][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 317.641872][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 317.662462][ T4610] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.669606][ T4610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.714133][ T4518] Failed to create system directory ocfs2 [ 317.719935][ T4518] Could not create directory for event ocfs2_split_extent [ 317.740812][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 317.748908][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 317.757133][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 317.766745][ T4944] syz.0.142 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 317.779653][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 317.788608][ T4944] CPU: 0 PID: 4944 Comm: syz.0.142 Not tainted syzkaller #0 [ 317.795924][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 317.805989][ T4944] Call Trace: [ 317.809273][ T4944] [ 317.812212][ T4944] dump_stack_lvl+0x188/0x24e [ 317.816909][ T4944] ? ___ratelimit+0x14e/0x610 [ 317.817374][ T4518] Failed to create system directory ocfs2 [ 317.821587][ T4944] ? show_regs_print_info+0x12/0x12 [ 317.821610][ T4944] ? load_image+0x410/0x410 [ 317.821626][ T4944] ? ___ratelimit+0x474/0x610 [ 317.827344][ T4518] Could not create directory for event ocfs2_insert_extent [ 317.832508][ T4944] ? radix_tree_cpu_dead+0x160/0x160 [ 317.832534][ T4944] dump_header+0xd8/0x820 [ 317.832558][ T4944] oom_kill_process+0x361/0x550 [ 317.832577][ T4944] out_of_memory+0xe25/0x1220 [ 317.832600][ T4944] ? print_unlock_imbalance_bug+0x160/0x160 [ 317.832623][ T4944] ? mutex_lock_nested+0x10/0x10 [ 317.832646][ T4944] ? unregister_oom_notifier+0x20/0x20 [ 317.832672][ T4944] mem_cgroup_out_of_memory+0x2c0/0x390 [ 317.832697][ T4944] ? mem_cgroup_oom_trylock+0x210/0x210 [ 317.832726][ T4944] ? do_raw_spin_unlock+0x11d/0x230 [ 317.832746][ T4944] try_charge_memcg+0xc9d/0x17c0 [ 317.832794][ T4944] ? percpu_ref_put+0x180/0x180 [ 317.832817][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.832846][ T4944] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 317.832870][ T4944] ? percpu_ref_tryget+0x15/0x180 [ 317.832890][ T4944] ? percpu_ref_tryget+0x15/0x180 [ 317.832911][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.832934][ T4944] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 317.832958][ T4944] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 317.832983][ T4944] obj_cgroup_charge+0x36a/0x620 [ 317.833008][ T4944] ? obj_cgroup_charge+0xe9/0x620 [ 317.833028][ T4944] ? mod_objcg_mlstate+0x320/0x320 [ 317.833055][ T4944] ? percpu_ref_put+0x12/0x100 [ 317.833075][ T4944] ? percpu_ref_put+0x12/0x100 [ 317.833099][ T4944] slab_pre_alloc_hook+0x2e2/0x300 [ 317.833117][ T4944] ? slab_pre_alloc_hook+0xb1/0x300 [ 317.833139][ T4944] kmem_cache_alloc_lru+0x49/0x2e0 [ 317.833157][ T4944] ? __d_alloc+0x2e/0x6e0 [ 317.833179][ T4944] __d_alloc+0x2e/0x6e0 [ 317.833199][ T4944] d_alloc+0x46/0x250 [ 317.833219][ T4944] lookup_one_qstr_excl+0xc6/0x240 [ 317.833240][ T4944] filename_create+0x242/0x450 [ 317.833264][ T4944] ? kern_path_create+0x50/0x50 [ 317.833283][ T4944] ? __virt_addr_valid+0x467/0x540 [ 317.833312][ T4944] do_mkdirat+0xa5/0x440 [ 317.833333][ T4944] ? vfs_mkdir+0x570/0x570 [ 317.833360][ T4944] __x64_sys_mkdirat+0x85/0x90 [ 317.833380][ T4944] do_syscall_64+0x4c/0xa0 [ 317.833401][ T4944] ? clear_bhb_loop+0x60/0xb0 [ 317.833422][ T4944] ? clear_bhb_loop+0x60/0xb0 [ 317.833444][ T4944] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 317.833465][ T4944] RIP: 0033:0x7f51c239e0d9 [ 317.833483][ T4944] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 317.833498][ T4944] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 317.833518][ T4944] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 317.833532][ T4944] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 317.833545][ T4944] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 317.833557][ T4944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 317.833568][ T4944] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 317.833597][ T4944] [ 317.841658][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 317.910512][ T4367] Bluetooth: hci21: command 0x0419 tx timeout [ 317.914579][ T76] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.934600][ T4944] memory: usage 96kB, limit 96kB, failcnt 73144 [ 317.935327][ T76] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.957771][ T4518] Failed to create system directory ocfs2 [ 317.967585][ T4944] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 317.971533][ T4913] 8021q: adding VLAN 0 to HW filter on device team0 [ 318.070374][ T4518] Could not create directory for event ocfs2_rotate_subtree [ 318.123012][ T4944] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 318.190724][ T4367] Bluetooth: hci23: command 0x0409 tx timeout [ 318.193779][ T4944] Memory cgroup stats for /syz0/test: [ 318.238486][ T4944] anon 0 [ 318.238486][ T4944] file 0 [ 318.238486][ T4944] kernel 98304 [ 318.238486][ T4944] kernel_stack 0 [ 318.238486][ T4944] pagetables 0 [ 318.238486][ T4944] sec_pagetables 0 [ 318.238486][ T4944] percpu 0 [ 318.238486][ T4944] sock 0 [ 318.238486][ T4944] vmalloc 0 [ 318.238486][ T4944] shmem 0 [ 318.238486][ T4944] zswap 0 [ 318.238486][ T4944] zswapped 0 [ 318.238486][ T4944] file_mapped 0 [ 318.238486][ T4944] file_dirty 0 [ 318.238486][ T4944] file_writeback 0 [ 318.238486][ T4944] swapcached 0 [ 318.238486][ T4944] anon_thp 0 [ 318.238486][ T4944] file_thp 0 [ 318.238486][ T4944] shmem_thp 0 [ 318.238486][ T4944] inactive_anon 0 [ 318.238486][ T4944] active_anon 0 [ 318.238486][ T4944] inactive_file 0 [ 318.238486][ T4944] active_file 0 [ 318.238486][ T4944] unevictable 0 [ 318.238486][ T4944] slab_reclaimable 94912 [ 318.238486][ T4944] slab_unreclaimable 2016 [ 318.238486][ T4944] slab 96928 [ 318.238486][ T4944] workingset_refault_anon 0 [ 318.270804][ T4939] chnl_net:caif_netlink_parms(): no params data found [ 318.363055][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 318.372614][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 318.381694][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 318.392318][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 318.423135][ T4518] Failed to create system directory ocfs2 [ 318.424295][ T4944] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null) [ 318.428897][ T4518] Could not create directory for event ocfs2_grow_tree [ 318.428900][ T4944] ,cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.142,pid=4944,uid=0 [ 318.467958][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 318.470504][ T4944] Memory cgroup out of memory: Killed process 4944 (syz.0.142) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 318.492583][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 318.502735][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 318.521203][ T4610] bridge0: port 1(bridge_slave_0) entered blocking state [ 318.528360][ T4610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 318.565808][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 318.577948][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 318.588051][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 318.598210][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 318.607792][ T4610] bridge0: port 2(bridge_slave_1) entered blocking state [ 318.614944][ T4610] bridge0: port 2(bridge_slave_1) entered forwarding state [ 318.623720][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 318.632804][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 318.640690][ T4945] syz.0.143 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 318.666256][ T4518] Failed to create system directory ocfs2 [ 318.686857][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 318.690558][ T4518] Could not create directory for event ocfs2_complete_edge_insert [ 318.698087][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 318.711322][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 318.712541][ T4945] CPU: 0 PID: 4945 Comm: syz.0.143 Not tainted syzkaller #0 [ 318.720481][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 318.726492][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 318.736550][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 318.744403][ T4945] Call Trace: [ 318.744414][ T4945] [ 318.744423][ T4945] dump_stack_lvl+0x188/0x24e [ 318.744449][ T4945] ? ___ratelimit+0x14e/0x610 [ 318.753314][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 318.755501][ T4945] ? show_regs_print_info+0x12/0x12 [ 318.755529][ T4945] ? load_image+0x410/0x410 [ 318.755547][ T4945] ? ___ratelimit+0x474/0x610 [ 318.755570][ T4945] ? radix_tree_cpu_dead+0x160/0x160 [ 318.755598][ T4945] dump_header+0xd8/0x820 [ 318.755621][ T4945] oom_kill_process+0x361/0x550 [ 318.755643][ T4945] out_of_memory+0xe25/0x1220 [ 318.755670][ T4945] ? print_unlock_imbalance_bug+0x160/0x160 [ 318.755695][ T4945] ? mutex_lock_nested+0x10/0x10 [ 318.755723][ T4945] ? unregister_oom_notifier+0x20/0x20 [ 318.755750][ T4945] mem_cgroup_out_of_memory+0x2c0/0x390 [ 318.755775][ T4945] ? mem_cgroup_oom_trylock+0x210/0x210 [ 318.755804][ T4945] ? do_raw_spin_unlock+0x11d/0x230 [ 318.755825][ T4945] try_charge_memcg+0xc9d/0x17c0 [ 318.755869][ T4945] ? percpu_ref_put+0x180/0x180 [ 318.755891][ T4945] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 318.755921][ T4945] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 318.755943][ T4945] ? percpu_ref_tryget+0x15/0x180 [ 318.755963][ T4945] ? percpu_ref_tryget+0x15/0x180 [ 318.755984][ T4945] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 318.756005][ T4945] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 318.756030][ T4945] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 318.756056][ T4945] obj_cgroup_charge+0x36a/0x620 [ 318.756080][ T4945] ? obj_cgroup_charge+0xe9/0x620 [ 318.756101][ T4945] ? mod_objcg_mlstate+0x320/0x320 [ 318.756127][ T4945] ? percpu_ref_put+0x12/0x100 [ 318.756147][ T4945] ? percpu_ref_put+0x12/0x100 [ 318.756170][ T4945] slab_pre_alloc_hook+0x2e2/0x300 [ 318.756190][ T4945] ? slab_pre_alloc_hook+0xb1/0x300 [ 318.756212][ T4945] kmem_cache_alloc_lru+0x49/0x2e0 [ 318.756230][ T4945] ? __d_alloc+0x2e/0x6e0 [ 318.756252][ T4945] __d_alloc+0x2e/0x6e0 [ 318.756272][ T4945] d_alloc+0x46/0x250 [ 318.756292][ T4945] lookup_one_qstr_excl+0xc6/0x240 [ 318.756313][ T4945] filename_create+0x242/0x450 [ 318.756338][ T4945] ? kern_path_create+0x50/0x50 [ 318.756358][ T4945] ? __virt_addr_valid+0x467/0x540 [ 318.756387][ T4945] do_mkdirat+0xa5/0x440 [ 318.756409][ T4945] ? vfs_mkdir+0x570/0x570 [ 318.756437][ T4945] __x64_sys_mkdirat+0x85/0x90 [ 318.756458][ T4945] do_syscall_64+0x4c/0xa0 [ 318.756478][ T4945] ? clear_bhb_loop+0x60/0xb0 [ 318.756498][ T4945] ? clear_bhb_loop+0x60/0xb0 [ 318.756521][ T4945] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 318.756541][ T4945] RIP: 0033:0x7f51c239e0d9 [ 318.756559][ T4945] 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 [ 318.756574][ T4945] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 318.756595][ T4945] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 318.756609][ T4945] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 318.756622][ T4945] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 318.756634][ T4945] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 318.756652][ T4945] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 318.756680][ T4945] [ 318.846860][ T4945] memory: usage 96kB, limit 96kB, failcnt 73268 [ 318.872235][ T4518] Failed to create system directory ocfs2 [ 318.970518][ T4945] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 318.976206][ T4518] Could not create directory for event ocfs2_num_free_extents [ 318.985417][ T4917] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 318.992062][ T4945] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 318.992081][ T4945] Memory cgroup stats for /syz0/test: [ 318.992207][ T4945] anon 0 [ 318.992207][ T4945] file 0 [ 318.992207][ T4945] kernel 98304 [ 318.992207][ T4945] kernel_stack 0 [ 318.992207][ T4945] pagetables 0 [ 318.992207][ T4945] sec_pagetables 0 [ 318.992207][ T4945] percpu 0 [ 318.992207][ T4945] sock 0 [ 318.992207][ T4945] vmalloc 0 [ 318.992207][ T4945] shmem 0 [ 318.992207][ T4945] zswap 0 [ 318.992207][ T4945] zswapped 0 [ 318.992207][ T4945] file_mapped 0 [ 318.992207][ T4945] file_dirty 0 [ 318.992207][ T4945] file_writeback 0 [ 318.992207][ T4945] swapcached 0 [ 318.992207][ T4945] anon_thp 0 [ 318.992207][ T4945] file_thp 0 [ 318.992207][ T4945] shmem_thp 0 [ 318.992207][ T4945] inactive_anon 0 [ 318.992207][ T4945] active_anon 0 [ 318.992207][ T4945] inactive_file 0 [ 318.992207][ T4945] active_file 0 [ 318.992207][ T4945] unevictable 0 [ 318.992207][ T4945] slab_reclaimable 94912 [ 318.992207][ T4945] slab_unreclaimable 2016 [ 318.992207][ T4945] slab 96928 [ 318.992207][ T4945] workingset_refault_anon 0 [ 318.992240][ T4945] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.143,pid=4945,uid=0 [ 318.992363][ T4945] Memory cgroup out of memory: Killed process 4945 (syz.0.143) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 319.002479][ T4367] Bluetooth: hci22: command 0x0419 tx timeout [ 319.018796][ T4913] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 319.312763][ T4518] Failed to create system directory ocfs2 [ 319.313502][ T4949] syz.0.144 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 319.318523][ T4518] Could not create directory for event ocfs2_add_clusters_in_btree [ 319.360402][ T4949] CPU: 0 PID: 4949 Comm: syz.0.144 Not tainted syzkaller #0 [ 319.367739][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 319.377812][ T4949] Call Trace: [ 319.381106][ T4949] [ 319.384045][ T4949] dump_stack_lvl+0x188/0x24e [ 319.388737][ T4949] ? ___ratelimit+0x14e/0x610 [ 319.393427][ T4949] ? show_regs_print_info+0x12/0x12 [ 319.398641][ T4949] ? load_image+0x410/0x410 [ 319.398888][ T4518] Failed to create system directory ocfs2 [ 319.403137][ T4949] ? ___ratelimit+0x474/0x610 [ 319.403165][ T4949] ? radix_tree_cpu_dead+0x160/0x160 [ 319.408897][ T4518] Could not create directory for event ocfs2_insert_extent_start [ 319.413532][ T4949] dump_header+0xd8/0x820 [ 319.413566][ T4949] oom_kill_process+0x361/0x550 [ 319.413588][ T4949] out_of_memory+0xe25/0x1220 [ 319.413609][ T4949] ? print_unlock_imbalance_bug+0x160/0x160 [ 319.446258][ T4949] ? mutex_lock_nested+0x10/0x10 [ 319.451201][ T4949] ? unregister_oom_notifier+0x20/0x20 [ 319.456658][ T4949] mem_cgroup_out_of_memory+0x2c0/0x390 [ 319.462203][ T4949] ? mem_cgroup_oom_trylock+0x210/0x210 [ 319.467752][ T4949] ? do_raw_spin_unlock+0x11d/0x230 [ 319.472986][ T4949] try_charge_memcg+0xc9d/0x17c0 [ 319.477943][ T4949] ? percpu_ref_put+0x180/0x180 [ 319.482793][ T4949] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 319.488514][ T4949] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 319.494492][ T4949] ? percpu_ref_tryget+0x15/0x180 [ 319.499511][ T4949] ? percpu_ref_tryget+0x15/0x180 [ 319.504529][ T4949] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 319.510248][ T4949] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 319.515965][ T4949] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 319.521769][ T4949] obj_cgroup_charge+0x36a/0x620 [ 319.526703][ T4949] ? obj_cgroup_charge+0xe9/0x620 [ 319.531721][ T4949] ? mod_objcg_mlstate+0x320/0x320 [ 319.536833][ T4949] ? percpu_ref_put+0x12/0x100 [ 319.541587][ T4949] ? percpu_ref_put+0x12/0x100 [ 319.546346][ T4949] slab_pre_alloc_hook+0x2e2/0x300 [ 319.551448][ T4949] ? slab_pre_alloc_hook+0xb1/0x300 [ 319.556638][ T4949] kmem_cache_alloc_lru+0x49/0x2e0 [ 319.561742][ T4949] ? __d_alloc+0x2e/0x6e0 [ 319.566064][ T4949] __d_alloc+0x2e/0x6e0 [ 319.570219][ T4949] d_alloc+0x46/0x250 [ 319.574197][ T4949] lookup_one_qstr_excl+0xc6/0x240 [ 319.579304][ T4949] filename_create+0x242/0x450 [ 319.584063][ T4949] ? kern_path_create+0x50/0x50 [ 319.588905][ T4949] ? __virt_addr_valid+0x467/0x540 [ 319.594016][ T4949] do_mkdirat+0xa5/0x440 [ 319.598255][ T4949] ? vfs_mkdir+0x570/0x570 [ 319.602670][ T4949] __x64_sys_mkdirat+0x85/0x90 [ 319.607425][ T4949] do_syscall_64+0x4c/0xa0 [ 319.611839][ T4949] ? clear_bhb_loop+0x60/0xb0 [ 319.616508][ T4949] ? clear_bhb_loop+0x60/0xb0 [ 319.621181][ T4949] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 319.627071][ T4949] RIP: 0033:0x7f51c239e0d9 [ 319.631480][ T4949] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 319.651082][ T4949] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 319.659489][ T4949] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 319.667452][ T4949] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 319.675416][ T4949] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 319.683377][ T4949] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 319.691357][ T4949] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 319.699366][ T4949] [ 319.713677][ T4369] Bluetooth: hci5: command 0x0406 tx timeout [ 319.748889][ T4949] memory: usage 96kB, limit 96kB, failcnt 73427 [ 319.773601][ T4518] Failed to create system directory ocfs2 [ 319.784539][ T4518] Could not create directory for event ocfs2_append_rec_to_path [ 319.812570][ T4518] Failed to create system directory ocfs2 [ 319.818448][ T4518] Could not create directory for event ocfs2_rotate_tree_right [ 319.830351][ T4913] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 319.847238][ T4518] Failed to create system directory ocfs2 [ 319.858098][ T4518] Could not create directory for event ocfs2_adjust_rightmost_branch [ 319.866694][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 319.887843][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 319.889035][ T4518] Failed to create system directory cachefiles [ 319.902329][ T4518] Could not create directory for event cachefiles_ondemand_fd_release [ 319.911403][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 319.929352][ T4518] Failed to create system directory cachefiles [ 319.931830][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 319.935907][ T4518] Could not create directory for event cachefiles_ondemand_fd_write [ 319.961326][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 319.970773][ T4518] Failed to create system directory cachefiles [ 319.977074][ T4518] Could not create directory for event cachefiles_ondemand_cread [ 319.980819][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 320.006259][ T4518] Failed to create system directory cachefiles [ 320.011946][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 320.012647][ T4518] Could not create directory for event cachefiles_ondemand_read [ 320.037469][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 320.048315][ T4518] Failed to create system directory cachefiles [ 320.054798][ T4949] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 320.061784][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 320.070062][ T4518] Could not create directory for event cachefiles_ondemand_close [ 320.102717][ T4949] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 320.109713][ T4949] Memory cgroup stats for /syz0/test: [ 320.109865][ T4949] anon 0 [ 320.109865][ T4949] file 0 [ 320.109865][ T4949] kernel 98304 [ 320.109865][ T4949] kernel_stack 0 [ 320.109865][ T4949] pagetables 0 [ 320.109865][ T4949] sec_pagetables 0 [ 320.109865][ T4949] percpu 0 [ 320.109865][ T4949] sock 0 [ 320.109865][ T4949] vmalloc 0 [ 320.109865][ T4949] shmem 0 [ 320.109865][ T4949] zswap 0 [ 320.109865][ T4949] zswapped 0 [ 320.109865][ T4949] file_mapped 0 [ 320.109865][ T4949] file_dirty 0 [ 320.109865][ T4949] file_writeback 0 [ 320.109865][ T4949] swapcached 0 [ 320.109865][ T4949] anon_thp 0 [ 320.109865][ T4949] file_thp 0 [ 320.109865][ T4949] shmem_thp 0 [ 320.109865][ T4949] inactive_anon 0 [ 320.109865][ T4949] active_anon 0 [ 320.109865][ T4949] inactive_file 0 [ 320.109865][ T4949] active_file 0 [ 320.109865][ T4949] unevictable 0 [ 320.109865][ T4949] slab_reclaimable 94912 [ 320.109865][ T4949] slab_unreclaimable 2016 [ 320.109865][ T4949] slab 96928 [ 320.109865][ T4949] workingset_refault_anon 0 [ 320.119466][ T4939] bridge0: port 1(bridge_slave_0) entered blocking state [ 320.261371][ T4367] Bluetooth: hci23: command 0x041b tx timeout [ 320.341411][ T4939] bridge0: port 1(bridge_slave_0) entered disabled state [ 320.361838][ T4939] device bridge_slave_0 entered promiscuous mode [ 320.380944][ T4939] bridge0: port 2(bridge_slave_1) entered blocking state [ 320.388063][ T4939] bridge0: port 2(bridge_slave_1) entered disabled state [ 320.422288][ T4939] device bridge_slave_1 entered promiscuous mode [ 320.470026][ T4939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 320.499826][ T4949] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.144,pid=4949,uid=0 [ 320.521361][ T4939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 320.546639][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.550666][ T4949] Memory cgroup out of memory: Killed process 4949 (syz.0.144) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 320.568332][ T4518] Failed to create system directory cachefiles [ 320.577096][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.584969][ T4518] Could not create directory for event cachefiles_ondemand_copen [ 320.608488][ T4917] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.672886][ T4518] Failed to create system directory cachefiles [ 320.679153][ T4518] Could not create directory for event cachefiles_ondemand_open [ 320.696030][ T4939] team0: Port device team_slave_0 added [ 320.710119][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 320.727340][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 320.779515][ T4518] Failed to create system directory cachefiles [ 320.785374][ T4939] team0: Port device team_slave_1 added [ 320.800995][ T4518] Could not create directory for event cachefiles_io_error [ 320.831248][ T4958] syz.0.145 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 320.842903][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 320.854342][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 320.864581][ T4958] CPU: 1 PID: 4958 Comm: syz.0.145 Not tainted syzkaller #0 [ 320.871897][ T4958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 320.881960][ T4958] Call Trace: [ 320.885243][ T4958] [ 320.888221][ T4958] dump_stack_lvl+0x188/0x24e [ 320.892916][ T4958] ? ___ratelimit+0x14e/0x610 [ 320.897616][ T4958] ? show_regs_print_info+0x12/0x12 [ 320.902831][ T4958] ? load_image+0x410/0x410 [ 320.907346][ T4958] ? ___ratelimit+0x474/0x610 [ 320.912051][ T4958] ? radix_tree_cpu_dead+0x160/0x160 [ 320.917707][ T4958] dump_header+0xd8/0x820 [ 320.922056][ T4958] oom_kill_process+0x361/0x550 [ 320.926924][ T4958] out_of_memory+0xe25/0x1220 [ 320.930703][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 320.931598][ T4958] ? print_unlock_imbalance_bug+0x160/0x160 [ 320.945111][ T4958] ? mutex_lock_nested+0x10/0x10 [ 320.950064][ T4958] ? unregister_oom_notifier+0x20/0x20 [ 320.951020][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 320.955526][ T4958] mem_cgroup_out_of_memory+0x2c0/0x390 [ 320.968691][ T4958] ? mem_cgroup_oom_trylock+0x210/0x210 [ 320.974259][ T4958] ? do_raw_spin_unlock+0x11d/0x230 [ 320.979478][ T4958] try_charge_memcg+0xc9d/0x17c0 [ 320.984486][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 320.984480][ T4958] ? percpu_ref_put+0x180/0x180 [ 320.984507][ T4958] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 321.001115][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 321.002226][ T4958] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 321.015403][ T4958] ? percpu_ref_tryget+0x15/0x180 [ 321.020449][ T4958] ? percpu_ref_tryget+0x15/0x180 [ 321.025489][ T4958] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 321.031226][ T4958] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 321.033467][ T4913] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 321.036937][ T4958] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 321.044508][ T4917] device veth0_vlan entered promiscuous mode [ 321.049462][ T4958] obj_cgroup_charge+0x36a/0x620 [ 321.060389][ T4958] ? obj_cgroup_charge+0xe9/0x620 [ 321.062703][ T4939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 321.065413][ T4958] ? mod_objcg_mlstate+0x320/0x320 [ 321.077464][ T4958] ? percpu_ref_put+0x12/0x100 [ 321.080342][ T4939] 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. [ 321.082229][ T4958] ? percpu_ref_put+0x12/0x100 [ 321.112868][ T4958] slab_pre_alloc_hook+0x2e2/0x300 [ 321.117999][ T4958] ? slab_pre_alloc_hook+0xb1/0x300 [ 321.123213][ T4958] kmem_cache_alloc_lru+0x49/0x2e0 [ 321.128337][ T4958] ? __d_alloc+0x2e/0x6e0 [ 321.132699][ T4958] __d_alloc+0x2e/0x6e0 [ 321.136875][ T4958] d_alloc+0x46/0x250 [ 321.140450][ T4939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 321.140854][ T4958] lookup_one_qstr_excl+0xc6/0x240 [ 321.156456][ T4958] filename_create+0x242/0x450 [ 321.161240][ T4958] ? kern_path_create+0x50/0x50 [ 321.166099][ T4958] ? __virt_addr_valid+0x467/0x540 [ 321.171229][ T4958] do_mkdirat+0xa5/0x440 [ 321.175490][ T4958] ? vfs_mkdir+0x570/0x570 [ 321.179968][ T4958] __x64_sys_mkdirat+0x85/0x90 [ 321.184755][ T4958] do_syscall_64+0x4c/0xa0 [ 321.187655][ T4917] device veth1_vlan entered promiscuous mode [ 321.189173][ T4958] ? clear_bhb_loop+0x60/0xb0 [ 321.199833][ T4958] ? clear_bhb_loop+0x60/0xb0 [ 321.203513][ T4939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 321.204521][ T4958] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 321.217353][ T4958] RIP: 0033:0x7f51c239e0d9 [ 321.221606][ T4939] 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. [ 321.221767][ T4958] 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 [ 321.267255][ T4958] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 321.275689][ T4958] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 321.280484][ T4939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 321.283657][ T4958] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 321.302128][ T4958] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 321.310119][ T4958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 321.318111][ T4958] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 321.318618][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 321.326093][ T4958] [ 321.359900][ T4518] Failed to create system directory cachefiles [ 321.361392][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 321.366437][ T4518] Could not create directory for event cachefiles_vfs_error [ 321.413937][ T4518] Failed to create system directory cachefiles [ 321.431448][ T4518] Could not create directory for event cachefiles_mark_inactive [ 321.471979][ T4518] Failed to create system directory cachefiles [ 321.478199][ T4518] Could not create directory for event cachefiles_mark_failed [ 321.493109][ T4913] device veth0_vlan entered promiscuous mode [ 321.504008][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 321.524997][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 321.543956][ T4518] Failed to create system directory cachefiles [ 321.553878][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 321.562248][ T4518] Could not create directory for event cachefiles_mark_active [ 321.571925][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 321.599946][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 321.600410][ T4958] memory: usage 96kB, limit 96kB, failcnt 74005 [ 321.614752][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 321.633557][ T4917] device veth0_macvtap entered promiscuous mode [ 321.648226][ T4913] device veth1_vlan entered promiscuous mode [ 321.650538][ T4958] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 321.658671][ T4518] Failed to create system directory cachefiles [ 321.673159][ T4518] Could not create directory for event cachefiles_trunc [ 321.674034][ T4939] device hsr_slave_0 entered promiscuous mode [ 321.702526][ T4518] Failed to create system directory cachefiles [ 321.708839][ T4518] Could not create directory for event cachefiles_write [ 321.710445][ T4958] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 321.723554][ T4939] device hsr_slave_1 entered promiscuous mode [ 321.738222][ T4939] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 321.750485][ T4958] Memory cgroup stats for /syz0/test: [ 321.750643][ T4958] anon 0 [ 321.750643][ T4958] file 0 [ 321.750643][ T4958] kernel 98304 [ 321.750643][ T4958] kernel_stack 0 [ 321.750643][ T4958] pagetables 0 [ 321.750643][ T4958] sec_pagetables 0 [ 321.750643][ T4958] percpu 0 [ 321.750643][ T4958] sock 0 [ 321.750643][ T4958] vmalloc 0 [ 321.750643][ T4958] shmem 0 [ 321.750643][ T4958] zswap 0 [ 321.750643][ T4958] zswapped 0 [ 321.750643][ T4958] file_mapped 0 [ 321.750643][ T4958] file_dirty 0 [ 321.750643][ T4958] file_writeback 0 [ 321.750643][ T4958] swapcached 0 [ 321.750643][ T4958] anon_thp 0 [ 321.750643][ T4958] file_thp 0 [ 321.750643][ T4958] shmem_thp 0 [ 321.750643][ T4958] inactive_anon 0 [ 321.750643][ T4958] active_anon 0 [ 321.750643][ T4958] inactive_file 0 [ 321.750643][ T4958] active_file 0 [ 321.750643][ T4958] unevictable 0 [ 321.750643][ T4958] slab_reclaimable 94912 [ 321.750643][ T4958] slab_unreclaimable 2016 [ 321.750643][ T4958] slab 96928 [ 321.750643][ T4958] workingset_refault_anon 0 [ 321.751314][ T4939] Cannot create hsr debugfs directory [ 321.756051][ T4958] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset= [ 321.859173][ T4518] Failed to create system directory cachefiles [ 321.875654][ T4518] Could not create directory for event cachefiles_read [ 321.900343][ T4958] test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.145,pid=4958,uid=0 [ 321.913695][ T4518] Failed to create system directory cachefiles [ 321.919896][ T4518] Could not create directory for event cachefiles_prep_read [ 321.932765][ T4917] device veth1_macvtap entered promiscuous mode [ 321.981235][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 322.000939][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 322.008469][ T4518] Failed to create system directory cachefiles [ 322.015427][ T4518] Could not create directory for event cachefiles_vol_coherency [ 322.016366][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 322.045445][ T4518] Failed to create system directory cachefiles [ 322.051308][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 322.051899][ T4958] Memory cgroup out of memory: Killed process 4958 (syz.0.145) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 322.076286][ T4518] Could not create directory for event cachefiles_coherency [ 322.077119][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 322.111256][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 322.112231][ T4518] Failed to create system directory cachefiles [ 322.146741][ T4913] device veth0_macvtap entered promiscuous mode [ 322.162983][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.171303][ T4518] Could not create directory for event cachefiles_rename 2026/08/16 01:10:16 executed programs: 136 [ 322.203625][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.213880][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.224578][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.250345][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.270274][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.280125][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.280660][ T4518] Failed to create system directory cachefiles [ 322.297435][ T4518] Could not create directory for event cachefiles_unlink [ 322.312293][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.327826][ T4518] Failed to create system directory cachefiles [ 322.334655][ T4518] Could not create directory for event cachefiles_link [ 322.342187][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342207][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342228][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342240][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342258][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342269][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342279][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342291][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342300][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342311][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342324][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342336][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342355][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342367][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342381][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342392][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342410][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342422][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342431][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342443][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342452][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342464][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342483][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342494][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342507][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342519][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342534][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342546][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342556][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342567][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342585][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342597][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.342611][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 322.342623][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.344353][ T4917] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 322.390430][ T4369] Bluetooth: hci23: command 0x040f tx timeout [ 322.404059][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 322.420645][ T4959] syz.0.146 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 322.431554][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.451063][ T4959] CPU: 1 PID: 4959 Comm: syz.0.146 Not tainted syzkaller #0 [ 322.501397][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 322.507810][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 322.541175][ T4518] Failed to create system directory cachefiles [ 322.548179][ T4959] Call Trace: [ 322.548189][ T4959] [ 322.548197][ T4959] dump_stack_lvl+0x188/0x24e [ 322.548223][ T4959] ? ___ratelimit+0x14e/0x610 [ 322.548248][ T4959] ? show_regs_print_info+0x12/0x12 [ 322.548269][ T4959] ? load_image+0x410/0x410 [ 322.548284][ T4959] ? ___ratelimit+0x474/0x610 [ 322.548312][ T4959] ? radix_tree_cpu_dead+0x160/0x160 [ 322.548340][ T4959] dump_header+0xd8/0x820 [ 322.548364][ T4959] oom_kill_process+0x361/0x550 [ 322.548386][ T4959] out_of_memory+0xe25/0x1220 [ 322.548416][ T4959] ? print_unlock_imbalance_bug+0x160/0x160 [ 322.548442][ T4959] ? mutex_lock_nested+0x10/0x10 [ 322.548470][ T4959] ? unregister_oom_notifier+0x20/0x20 [ 322.548498][ T4959] mem_cgroup_out_of_memory+0x2c0/0x390 [ 322.548523][ T4959] ? mem_cgroup_oom_trylock+0x210/0x210 [ 322.548554][ T4959] ? do_raw_spin_unlock+0x11d/0x230 [ 322.548575][ T4959] try_charge_memcg+0xc9d/0x17c0 [ 322.548618][ T4959] ? percpu_ref_put+0x180/0x180 [ 322.548641][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 322.548671][ T4959] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 322.548695][ T4959] ? percpu_ref_tryget+0x15/0x180 [ 322.548716][ T4959] ? percpu_ref_tryget+0x15/0x180 [ 322.548738][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 322.548759][ T4959] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 322.548783][ T4959] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 322.548808][ T4959] obj_cgroup_charge+0x36a/0x620 [ 322.548832][ T4959] ? obj_cgroup_charge+0xe9/0x620 [ 322.548853][ T4959] ? mod_objcg_mlstate+0x320/0x320 [ 322.548879][ T4959] ? percpu_ref_put+0x12/0x100 [ 322.548900][ T4959] ? percpu_ref_put+0x12/0x100 [ 322.548923][ T4959] slab_pre_alloc_hook+0x2e2/0x300 [ 322.548942][ T4959] ? slab_pre_alloc_hook+0xb1/0x300 [ 322.548964][ T4959] kmem_cache_alloc_lru+0x49/0x2e0 [ 322.548982][ T4959] ? __d_alloc+0x2e/0x6e0 [ 322.549004][ T4959] __d_alloc+0x2e/0x6e0 [ 322.549024][ T4959] d_alloc+0x46/0x250 [ 322.549044][ T4959] lookup_one_qstr_excl+0xc6/0x240 [ 322.549065][ T4959] filename_create+0x242/0x450 [ 322.549089][ T4959] ? kern_path_create+0x50/0x50 [ 322.549109][ T4959] ? __virt_addr_valid+0x467/0x540 [ 322.549140][ T4959] do_mkdirat+0xa5/0x440 [ 322.549161][ T4959] ? vfs_mkdir+0x570/0x570 [ 322.549189][ T4959] __x64_sys_mkdirat+0x85/0x90 [ 322.549209][ T4959] do_syscall_64+0x4c/0xa0 [ 322.549230][ T4959] ? clear_bhb_loop+0x60/0xb0 [ 322.549250][ T4959] ? clear_bhb_loop+0x60/0xb0 [ 322.549273][ T4959] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 322.549294][ T4959] RIP: 0033:0x7f51c239e0d9 [ 322.549312][ T4959] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 322.549327][ T4959] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 322.549348][ T4959] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 322.549362][ T4959] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 322.549375][ T4959] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 322.549387][ T4959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 322.549404][ T4959] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 322.549433][ T4959] [ 322.554773][ T4959] memory: usage 96kB, limit 96kB, failcnt 74384 [ 322.576047][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.582484][ T4959] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 322.610439][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 322.612690][ T4518] Could not create directory for event cachefiles_tmpfile [ 322.643290][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.643306][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 322.656041][ T4959] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 322.674981][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 322.690463][ T4959] Memory cgroup stats for [ 322.696514][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 322.720439][ T4959] /syz0/test [ 323.215232][ T4518] Failed to create system directory cachefiles [ 323.220217][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.225364][ T4518] Could not create directory for event cachefiles_mkdir [ 323.250387][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.266425][ T4518] Failed to create system directory cachefiles [ 323.272712][ T4518] Could not create directory for event cachefiles_lookup [ 323.279878][ T4959] : [ 323.279979][ T4959] anon 0 [ 323.279979][ T4959] file 0 [ 323.279979][ T4959] kernel 98304 [ 323.279979][ T4959] kernel_stack 0 [ 323.279979][ T4959] pagetables 0 [ 323.279979][ T4959] sec_pagetables 0 [ 323.279979][ T4959] percpu 0 [ 323.279979][ T4959] sock 0 [ 323.279979][ T4959] vmalloc 0 [ 323.279979][ T4959] shmem 0 [ 323.279979][ T4959] zswap 0 [ 323.279979][ T4959] zswapped 0 [ 323.279979][ T4959] file_mapped 0 [ 323.279979][ T4959] file_dirty 0 [ 323.279979][ T4959] file_writeback 0 [ 323.279979][ T4959] swapcached 0 [ 323.279979][ T4959] anon_thp 0 [ 323.279979][ T4959] file_thp 0 [ 323.279979][ T4959] shmem_thp 0 [ 323.279979][ T4959] inactive_anon 0 [ 323.279979][ T4959] active_anon 0 [ 323.279979][ T4959] inactive_file 0 [ 323.279979][ T4959] active_file 0 [ 323.279979][ T4959] unevictable 0 [ 323.279979][ T4959] slab_reclaimable 94912 [ 323.279979][ T4959] slab_unreclaimable 2016 [ 323.279979][ T4959] slab 96928 [ 323.279979][ T4959] workingset_refault_anon 0 [ 323.280258][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.284681][ T4959] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null) [ 323.386077][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386100][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386111][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386122][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386131][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386143][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386154][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386165][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386182][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386193][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386207][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386218][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386236][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386247][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386255][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386266][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386277][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386287][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386305][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386316][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386330][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386373][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386389][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386400][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386409][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386421][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386437][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386448][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.386463][ T4917] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 323.386473][ T4917] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 323.405595][ T4917] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 323.468698][ T4959] ,cpuset= [ 323.519174][ T4518] Failed to create system directory cachefiles [ 323.634430][ T4913] device veth1_macvtap entered promiscuous mode [ 323.735776][ T4518] Could not create directory for event cachefiles_ref [ 323.743404][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 323.752913][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 323.765741][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 323.770148][ T4959] test [ 323.785762][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 323.790266][ T4959] ,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.146,pid=4959,uid=0 [ 323.815217][ T4959] Memory cgroup out of memory: Killed process 4959 (syz.0.146) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 323.815509][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 323.869518][ T4518] Failed to create system directory nilfs2 [ 323.885842][ T4917] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 323.885912][ T4518] Could not create directory for event nilfs2_mdt_submit_block [ 323.895225][ T4917] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 323.915190][ T4917] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 323.926334][ T4917] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 323.960831][ T4960] syz.0.147 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 323.976346][ T4518] Failed to create system directory nilfs2 [ 323.989746][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.000788][ T4960] CPU: 1 PID: 4960 Comm: syz.0.147 Not tainted syzkaller #0 [ 324.008093][ T4960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 324.018168][ T4960] Call Trace: [ 324.021464][ T4960] [ 324.024412][ T4960] dump_stack_lvl+0x188/0x24e [ 324.029110][ T4960] ? ___ratelimit+0x14e/0x610 [ 324.033812][ T4960] ? show_regs_print_info+0x12/0x12 [ 324.039030][ T4960] ? load_image+0x410/0x410 [ 324.043545][ T4960] ? ___ratelimit+0x474/0x610 [ 324.048250][ T4960] ? radix_tree_cpu_dead+0x160/0x160 [ 324.053560][ T4960] dump_header+0xd8/0x820 [ 324.057912][ T4960] oom_kill_process+0x361/0x550 [ 324.062777][ T4960] out_of_memory+0xe25/0x1220 [ 324.067479][ T4960] ? print_unlock_imbalance_bug+0x160/0x160 [ 324.073393][ T4960] ? mutex_lock_nested+0x10/0x10 [ 324.078343][ T4960] ? unregister_oom_notifier+0x20/0x20 [ 324.083811][ T4960] mem_cgroup_out_of_memory+0x2c0/0x390 [ 324.089358][ T4960] ? mem_cgroup_oom_trylock+0x210/0x210 [ 324.094909][ T4960] ? do_raw_spin_unlock+0x11d/0x230 [ 324.100105][ T4960] try_charge_memcg+0xc9d/0x17c0 [ 324.105055][ T4960] ? percpu_ref_put+0x180/0x180 [ 324.109900][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 324.115618][ T4960] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 324.121599][ T4960] ? percpu_ref_tryget+0x15/0x180 [ 324.126617][ T4960] ? percpu_ref_tryget+0x15/0x180 [ 324.131639][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 324.137354][ T4960] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 324.143070][ T4960] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 324.148874][ T4960] obj_cgroup_charge+0x36a/0x620 [ 324.153809][ T4960] ? obj_cgroup_charge+0xe9/0x620 [ 324.158830][ T4960] ? mod_objcg_mlstate+0x320/0x320 [ 324.163940][ T4960] ? percpu_ref_put+0x12/0x100 [ 324.168695][ T4960] ? percpu_ref_put+0x12/0x100 [ 324.173454][ T4960] slab_pre_alloc_hook+0x2e2/0x300 [ 324.178559][ T4960] ? slab_pre_alloc_hook+0xb1/0x300 [ 324.183758][ T4960] kmem_cache_alloc_lru+0x49/0x2e0 [ 324.188861][ T4960] ? __d_alloc+0x2e/0x6e0 [ 324.193201][ T4960] __d_alloc+0x2e/0x6e0 [ 324.197354][ T4960] d_alloc+0x46/0x250 [ 324.201327][ T4960] lookup_one_qstr_excl+0xc6/0x240 [ 324.206431][ T4960] filename_create+0x242/0x450 [ 324.211192][ T4960] ? kern_path_create+0x50/0x50 [ 324.216033][ T4960] ? __virt_addr_valid+0x467/0x540 [ 324.221147][ T4960] do_mkdirat+0xa5/0x440 [ 324.225383][ T4960] ? vfs_mkdir+0x570/0x570 [ 324.229797][ T4960] __x64_sys_mkdirat+0x85/0x90 [ 324.234554][ T4960] do_syscall_64+0x4c/0xa0 [ 324.238967][ T4960] ? clear_bhb_loop+0x60/0xb0 [ 324.243640][ T4960] ? clear_bhb_loop+0x60/0xb0 [ 324.248316][ T4960] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 324.254202][ T4960] RIP: 0033:0x7f51c239e0d9 [ 324.258612][ 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 [ 324.278229][ T4960] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 324.286645][ T4960] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 324.294612][ T4960] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 324.302578][ T4960] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 324.310545][ T4960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 324.318507][ T4960] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 324.326484][ T4960] [ 324.349326][ T4369] Bluetooth: hci8: command 0x0406 tx timeout [ 324.355419][ T4369] Bluetooth: hci6: command 0x0406 tx timeout [ 324.362694][ T4367] Bluetooth: hci7: command 0x0406 tx timeout [ 324.368743][ T4367] Bluetooth: hci9: command 0x0406 tx timeout [ 324.375258][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.385175][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.390501][ T4518] Could not create directory for event nilfs2_mdt_insert_new_block [ 324.398465][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.413588][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.424347][ T4367] Bluetooth: hci23: command 0x0419 tx timeout [ 324.430753][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.440847][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.451653][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.456922][ T4518] Failed to create system directory nilfs2 [ 324.461510][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.461526][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.461548][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.461559][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.478292][ T4518] Could not create directory for event nilfs2_segment_usage_freed [ 324.487826][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.531971][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.541929][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.552421][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.563138][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.567985][ T4518] Failed to create system directory nilfs2 [ 324.573943][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.590286][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.594900][ T4518] Could not create directory for event nilfs2_segment_usage_allocated [ 324.606288][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.619273][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.630084][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.640453][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.651196][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.662930][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.675504][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.685620][ T4518] Failed to create system directory nilfs2 [ 324.685673][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.706432][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.710398][ T4518] Could not create directory for event nilfs2_segment_usage_check [ 324.716628][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.735066][ T4960] memory: usage 96kB, limit 96kB, failcnt 74708 [ 324.745955][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.756179][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.767125][ T4960] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 324.790463][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.793778][ T4518] Failed to create system directory nilfs2 [ 324.804771][ T4960] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 324.813015][ T4518] Could not create directory for event nilfs2_transaction_transition [ 324.823256][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823276][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.823292][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823304][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.823314][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823325][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.823342][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823354][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.823368][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823380][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.823398][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 324.823409][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 324.825154][ T4913] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 324.840755][ T4960] Memory cgroup stats for [ 324.973720][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 324.991898][ T4960] /syz0/test: [ 324.992030][ T4960] anon 0 [ 324.992030][ T4960] file 0 [ 324.992030][ T4960] kernel 98304 [ 324.992030][ T4960] kernel_stack 0 [ 324.992030][ T4960] pagetables 0 [ 324.992030][ T4960] sec_pagetables 0 [ 324.992030][ T4960] percpu 0 [ 324.992030][ T4960] sock 0 [ 324.992030][ T4960] vmalloc 0 [ 324.992030][ T4960] shmem 0 [ 324.992030][ T4960] zswap 0 [ 324.992030][ T4960] zswapped 0 [ 324.992030][ T4960] file_mapped 0 [ 324.992030][ T4960] file_dirty 0 [ 324.992030][ T4960] file_writeback 0 [ 324.992030][ T4960] swapcached 0 [ 324.992030][ T4960] anon_thp 0 [ 324.992030][ T4960] file_thp 0 [ 324.992030][ T4960] shmem_thp 0 [ 324.992030][ T4960] inactive_anon 0 [ 324.992030][ T4960] active_anon 0 [ 324.992030][ T4960] inactive_file 0 [ 324.992030][ T4960] active_file 0 [ 324.992030][ T4960] unevictable 0 [ 324.992030][ T4960] slab_reclaimable 94912 [ 324.992030][ T4960] slab_unreclaimable 2016 [ 324.992030][ T4960] slab 96928 [ 324.992030][ T4960] workingset_refault_anon 0 [ 324.994919][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 324.995850][ T4960] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null) [ 325.115584][ T4518] Failed to create system directory nilfs2 [ 325.128448][ T4518] Could not create directory for event nilfs2_collection_stage_transition [ 325.137985][ T4960] ,cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.147,pid=4960,uid=0 [ 325.152287][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.163580][ T4960] Memory cgroup out of memory: Killed process 4960 (syz.0.147) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 325.180568][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.182116][ T4518] Failed to create system directory afs [ 325.190737][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.216308][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.227187][ T4518] Could not create directory for event afs_cell [ 325.233333][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.249231][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.290459][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.298012][ T4518] Failed to create system directory afs [ 325.307144][ T4518] Could not create directory for event afs_volume [ 325.320569][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.340239][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.343026][ T4518] Failed to create system directory afs [ 325.356696][ T4518] Could not create directory for event afs_server [ 325.360393][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.380212][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.392645][ T4518] Failed to create system directory afs [ 325.398463][ T4518] Could not create directory for event afs_cb_miss [ 325.412908][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.430352][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.437300][ T4518] Failed to create system directory afs [ 325.446510][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.456683][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.457045][ T4518] Could not create directory for event afs_cb_break [ 325.467117][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467130][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467142][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467154][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467165][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467183][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467194][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467208][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467220][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467238][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467249][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467258][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467269][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467279][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467291][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467308][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467319][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467334][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467346][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467363][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467374][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467383][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467395][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467411][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467422][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467437][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467449][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.467473][ T4913] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 325.467485][ T4913] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 325.469817][ T4913] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 325.518219][ T4961] syz.0.148 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 325.584790][ T4518] Failed to create system directory afs [ 325.680454][ T4961] CPU: 0 PID: 4961 Comm: syz.0.148 Not tainted syzkaller #0 [ 325.691162][ T4518] Could not create directory for event afs_get_tree [ 325.692518][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 325.740033][ T4518] Failed to create system directory afs [ 325.743266][ T4961] Call Trace: [ 325.743275][ T4961] [ 325.743282][ T4961] dump_stack_lvl+0x188/0x24e [ 325.743308][ T4961] ? ___ratelimit+0x14e/0x610 [ 325.753140][ T4518] Could not create directory for event afs_silly_rename [ 325.763486][ T4961] ? show_regs_print_info+0x12/0x12 [ 325.763510][ T4961] ? load_image+0x410/0x410 [ 325.763526][ T4961] ? ___ratelimit+0x474/0x610 [ 325.847468][ T4518] Failed to create system directory afs [ 325.847813][ T4961] ? radix_tree_cpu_dead+0x160/0x160 [ 325.853242][ T4518] Could not create directory for event afs_reload_dir [ 325.857476][ T4961] dump_header+0xd8/0x820 [ 325.884140][ T4961] oom_kill_process+0x361/0x550 [ 325.889014][ T4961] out_of_memory+0xe25/0x1220 [ 325.893711][ T4961] ? print_unlock_imbalance_bug+0x160/0x160 [ 325.899635][ T4961] ? mutex_lock_nested+0x10/0x10 [ 325.903053][ T4518] Failed to create system directory afs [ 325.904582][ T4961] ? unregister_oom_notifier+0x20/0x20 [ 325.910125][ T4518] Could not create directory for event afs_flock_op [ 325.915546][ T4961] mem_cgroup_out_of_memory+0x2c0/0x390 [ 325.915571][ T4961] ? mem_cgroup_oom_trylock+0x210/0x210 [ 325.915600][ T4961] ? do_raw_spin_unlock+0x11d/0x230 [ 325.938465][ T4961] try_charge_memcg+0xc9d/0x17c0 [ 325.943453][ T4961] ? percpu_ref_put+0x180/0x180 [ 325.948319][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 325.954063][ T4961] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 325.960059][ T4961] ? percpu_ref_tryget+0x15/0x180 [ 325.965088][ T4961] ? percpu_ref_tryget+0x15/0x180 [ 325.970116][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 325.975856][ T4961] ? get_mem_cgroup_from_objcg+0x19/0x150 [ 325.981608][ T4961] ? get_mem_cgroup_from_objcg+0x13c/0x150 [ 325.987440][ T4961] obj_cgroup_charge+0x36a/0x620 [ 325.992403][ T4961] ? obj_cgroup_charge+0xe9/0x620 [ 325.997453][ T4961] ? mod_objcg_mlstate+0x320/0x320 [ 326.002589][ T4961] ? percpu_ref_put+0x12/0x100 [ 326.006005][ T4518] Failed to create system directory afs [ 326.007355][ T4961] ? percpu_ref_put+0x12/0x100 [ 326.012944][ T4518] Could not create directory for event afs_flock_ev [ 326.017634][ T4961] slab_pre_alloc_hook+0x2e2/0x300 [ 326.029327][ T4961] ? slab_pre_alloc_hook+0xb1/0x300 [ 326.034552][ T4961] kmem_cache_alloc_lru+0x49/0x2e0 [ 326.039680][ T4961] ? __d_alloc+0x2e/0x6e0 [ 326.044038][ T4961] __d_alloc+0x2e/0x6e0 [ 326.048212][ T4961] d_alloc+0x46/0x250 [ 326.052213][ T4961] lookup_one_qstr_excl+0xc6/0x240 [ 326.057339][ T4961] filename_create+0x242/0x450 [ 326.062109][ T4961] ? kern_path_create+0x50/0x50 [ 326.066960][ T4961] ? __virt_addr_valid+0x467/0x540 [ 326.072079][ T4961] do_mkdirat+0xa5/0x440 [ 326.076323][ T4961] ? vfs_mkdir+0x570/0x570 [ 326.080748][ T4961] __x64_sys_mkdirat+0x85/0x90 [ 326.085528][ T4961] do_syscall_64+0x4c/0xa0 [ 326.089962][ T4961] ? clear_bhb_loop+0x60/0xb0 [ 326.094656][ T4961] ? clear_bhb_loop+0x60/0xb0 [ 326.099346][ T4961] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.105248][ T4961] RIP: 0033:0x7f51c239e0d9 [ 326.107619][ T4518] Failed to create system directory afs [ 326.109658][ T4961] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 326.115235][ T4518] Could not create directory for event afs_cm_no_server_u [ 326.134789][ T4961] RSP: 002b:00007fffd1a299e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 326.134810][ T4961] RAX: ffffffffffffffda RBX: 00007f51c2625fa0 RCX: 00007f51c239e0d9 [ 326.134821][ T4961] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 326.134832][ T4961] RBP: 00007f51c2435024 R08: 0000000000000000 R09: 0000000000000000 [ 326.134843][ T4961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.134853][ T4961] R13: 00007f51c2625fac R14: 00007f51c2625fa0 R15: 00007f51c2625fa0 [ 326.134877][ T4961] [ 326.177484][ T4961] memory: usage 96kB, limit 96kB, failcnt 75212 [ 326.213642][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 326.223686][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 326.237513][ T4961] memory+swap: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 326.240081][ T4913] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 326.245569][ T4961] kmem: usage 96kB, limit 9007199254740988kB, failcnt 0 [ 326.270683][ T4913] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 326.272171][ T4961] Memory cgroup stats for [ 326.279399][ T4913] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 326.279425][ T4913] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 326.294063][ T4518] Failed to create system directory afs [ 326.321020][ T4961] /syz0/test: [ 326.321163][ T4961] anon 0 [ 326.321163][ T4961] file 0 [ 326.321163][ T4961] kernel 98304 [ 326.321163][ T4961] kernel_stack 0 [ 326.321163][ T4961] pagetables 0 [ 326.321163][ T4961] sec_pagetables 0 [ 326.321163][ T4961] percpu 0 [ 326.321163][ T4961] sock 0 [ 326.321163][ T4961] vmalloc 0 [ 326.321163][ T4961] shmem 0 [ 326.321163][ T4961] zswap 0 [ 326.321163][ T4961] zswapped 0 [ 326.321163][ T4961] file_mapped 0 [ 326.321163][ T4961] file_dirty 0 [ 326.321163][ T4961] file_writeback 0 [ 326.321163][ T4961] swapcached 0 [ 326.321163][ T4961] anon_thp 0 [ 326.321163][ T4961] file_thp 0 [ 326.321163][ T4961] shmem_thp 0 [ 326.321163][ T4961] inactive_anon 0 [ 326.321163][ T4961] active_anon 0 [ 326.321163][ T4961] inactive_file 0 [ 326.321163][ T4961] active_file 0 [ 326.321163][ T4961] unevictable 0 [ 326.321163][ T4961] slab_reclaimable 94912 [ 326.321163][ T4961] slab_unreclaimable 2016 [ 326.321163][ T4961] slab 96928 [ 326.321163][ T4961] workingset_refault_anon 0 [ 326.378882][ T4518] Could not create directory for event afs_cm_no_server [ 326.470485][ T4961] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test,mems_allowed=0-1,oom_memcg=/syz0/test,task_memcg=/syz0/test,task=syz.0.148,pid=4961,uid=0 [ 326.487262][ T4369] Bluetooth: hci24: unexpected cc 0x0c03 length: 249 > 1 [ 326.503394][ T4369] Bluetooth: hci24: unexpected cc 0x1003 length: 249 > 9 [ 326.511654][ T4369] Bluetooth: hci24: unexpected cc 0x1001 length: 249 > 9 [ 326.519602][ T4369] Bluetooth: hci24: unexpected cc 0x0c23 length: 249 > 4 [ 326.528371][ T4369] Bluetooth: hci24: unexpected cc 0x0c25 length: 249 > 3 [ 326.536207][ T4369] Bluetooth: hci24: unexpected cc 0x0c38 length: 249 > 2 [ 326.566705][ T4518] Failed to create system directory afs [ 326.572494][ T4518] Could not create directory for event afs_file_error [ 326.605907][ T4518] Failed to create system directory afs [ 326.611785][ T4518] Could not create directory for event afs_io_error [ 326.634189][ T4939] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 326.637343][ T4518] Failed to create system directory afs [ 326.654721][ T4518] Could not create directory for event afs_protocol_error [ 326.662668][ T27] INFO: task syz.3.20:4519 blocked for more than 143 seconds. [ 326.662705][ T27] Not tainted syzkaller #0 [ 326.662715][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 326.662724][ T27] task:syz.3.20 state:D stack:26736 pid:4519 ppid:4422 flags:0x00004004 [ 326.662759][ T27] Call Trace: [ 326.662766][ T27] [ 326.662778][ T27] __schedule+0x107f/0x4030 [ 326.662826][ T27] ? __sched_text_start+0x8/0x8 [ 326.662848][ T27] ? __mutex_trylock_common+0x86/0x260 [ 326.662873][ T27] ? trace_raw_output_contention_end+0xd0/0xd0 [ 326.662901][ T27] schedule+0xb9/0x180 [ 326.662924][ T27] schedule_preempt_disabled+0xf/0x20 [ 326.662946][ T27] __mutex_lock+0x548/0xae0 [ 326.662972][ T27] ? __mutex_lock+0x3ba/0xae0 [ 326.662998][ T27] ? tracing_open_file_tr+0xab/0x2f0 [ 326.663023][ T27] ? mutex_lock_nested+0x10/0x10 [ 326.663045][ T27] ? apparmor_file_open+0x3c7/0x780 [ 326.663073][ T27] ? apparmor_inode_getattr+0x20/0x20 [ 326.663105][ T27] ? __rwlock_init+0x140/0x140 [ 326.663121][ T27] ? do_raw_spin_lock+0x128/0x2f0 [ 326.663137][ T27] ? lockdown_is_locked_down+0x36/0xe0 [ 326.663160][ T27] tracing_open_file_tr+0xab/0x2f0 [ 326.663186][ T27] ? tracing_open_generic_tr+0x180/0x180 [ 326.663209][ T27] do_dentry_open+0x7dd/0x10b0 [ 326.663243][ T27] path_openat+0x2674/0x2f10 [ 326.663281][ T27] ? verify_lock_unused+0x140/0x140 [ 326.663303][ T27] ? do_sys_openat2+0xdd/0x4f0 [ 326.663330][ T27] ? do_filp_open+0x420/0x420 [ 326.663365][ T27] do_filp_open+0x1ee/0x420 [ 326.663388][ T27] ? vfs_tmpfile+0x470/0x470 [ 326.663428][ T27] ? _raw_spin_unlock+0x24/0x40 [ 326.663447][ T27] ? alloc_fd+0x590/0x640 [ 326.663478][ T27] do_sys_openat2+0x14b/0x4f0 [ 326.663503][ T27] ? do_sys_open+0xe0/0xe0 [ 326.663526][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 326.663552][ T27] ? lock_chain_count+0x20/0x20 [ 326.663580][ T27] __x64_sys_openat+0x135/0x160 [ 326.663606][ T27] do_syscall_64+0x4c/0xa0 [ 326.663628][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.663648][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.663669][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.663690][ T27] RIP: 0033:0x7f3611b9e0d9 [ 326.663707][ T27] RSP: 002b:00007ffe1558a4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 326.663728][ T27] RAX: ffffffffffffffda RBX: 00007f3611e25fa0 RCX: 00007f3611b9e0d9 [ 326.663741][ T27] RDX: 0000000000000101 RSI: 0000200000000400 RDI: ffffffffffffff9c [ 326.663754][ T27] RBP: 00007f3611c35024 R08: 0000000000000000 R09: 0000000000000000 [ 326.663766][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.663778][ T27] R13: 00007f3611e25fac R14: 00007f3611e25fa0 R15: 00007f3611e25fa0 [ 326.663804][ T27] [ 326.663813][ T27] INFO: task syz.2.19:4520 blocked for more than 143 seconds. [ 326.663825][ T27] Not tainted syzkaller #0 [ 326.663835][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 326.663842][ T27] task:syz.2.19 state:D stack:25864 pid:4520 ppid:4419 flags:0x00004004 [ 326.663875][ T27] Call Trace: [ 326.663881][ T27] [ 326.663892][ T27] __schedule+0x107f/0x4030 [ 326.663934][ T27] ? __sched_text_start+0x8/0x8 [ 326.663955][ T27] ? __mutex_trylock_common+0x86/0x260 [ 326.663979][ T27] ? trace_raw_output_contention_end+0xd0/0xd0 [ 326.664007][ T27] schedule+0xb9/0x180 [ 326.664029][ T27] schedule_preempt_disabled+0xf/0x20 [ 326.664051][ T27] __mutex_lock+0x548/0xae0 [ 326.664076][ T27] ? __mutex_lock+0x3ba/0xae0 [ 326.664109][ T27] ? tracing_open_file_tr+0xab/0x2f0 [ 326.664133][ T27] ? mutex_lock_nested+0x10/0x10 [ 326.664156][ T27] ? apparmor_file_open+0x3c7/0x780 [ 326.664182][ T27] ? apparmor_inode_getattr+0x20/0x20 [ 326.664204][ T27] ? __rwlock_init+0x140/0x140 [ 326.664220][ T27] ? lockdown_is_locked_down+0x36/0xe0 [ 326.664243][ T27] tracing_open_file_tr+0xab/0x2f0 [ 326.664268][ T27] ? tracing_open_generic_tr+0x180/0x180 [ 326.664291][ T27] do_dentry_open+0x7dd/0x10b0 [ 326.664324][ T27] path_openat+0x2674/0x2f10 [ 326.664361][ T27] ? verify_lock_unused+0x140/0x140 [ 326.664382][ T27] ? do_sys_openat2+0xdd/0x4f0 [ 326.664408][ T27] ? do_filp_open+0x420/0x420 [ 326.664443][ T27] do_filp_open+0x1ee/0x420 [ 326.664466][ T27] ? vfs_tmpfile+0x470/0x470 [ 326.664506][ T27] ? _raw_spin_unlock+0x24/0x40 [ 326.664524][ T27] ? alloc_fd+0x590/0x640 [ 326.664553][ T27] do_sys_openat2+0x14b/0x4f0 [ 326.664578][ T27] ? do_sys_open+0xe0/0xe0 [ 326.664600][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 326.664626][ T27] ? lock_chain_count+0x20/0x20 [ 326.664653][ T27] __x64_sys_openat+0x135/0x160 [ 326.664679][ T27] do_syscall_64+0x4c/0xa0 [ 326.664700][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.664721][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.664743][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.664764][ T27] RIP: 0033:0x7f44aa19e0d9 [ 326.664779][ T27] RSP: 002b:00007fffe0e54628 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 326.664799][ T27] RAX: ffffffffffffffda RBX: 00007f44aa425fa0 RCX: 00007f44aa19e0d9 [ 326.664812][ T27] RDX: 0000000000000101 RSI: 0000200000000400 RDI: ffffffffffffff9c [ 326.664825][ T27] RBP: 00007f44aa235024 R08: 0000000000000000 R09: 0000000000000000 [ 326.664838][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.664850][ T27] R13: 00007f44aa425fac R14: 00007f44aa425fa0 R15: 00007f44aa425fa0 [ 326.664877][ T27] [ 326.664885][ T27] INFO: task syz.1.18:4521 blocked for more than 143 seconds. [ 326.664897][ T27] Not tainted syzkaller #0 [ 326.664906][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 326.664914][ T27] task:syz.1.18 state:D stack:26736 pid:4521 ppid:4412 flags:0x00004004 [ 326.664945][ T27] Call Trace: [ 326.664951][ T27] [ 326.664962][ T27] __schedule+0x107f/0x4030 [ 326.665003][ T27] ? __sched_text_start+0x8/0x8 [ 326.665024][ T27] ? __mutex_trylock_common+0x86/0x260 [ 326.665048][ T27] ? trace_raw_output_contention_end+0xd0/0xd0 [ 326.665074][ T27] schedule+0xb9/0x180 [ 326.665102][ T27] schedule_preempt_disabled+0xf/0x20 [ 326.665125][ T27] __mutex_lock+0x548/0xae0 [ 326.665150][ T27] ? __mutex_lock+0x3ba/0xae0 [ 326.665176][ T27] ? tracing_open_file_tr+0xab/0x2f0 [ 326.665201][ T27] ? mutex_lock_nested+0x10/0x10 [ 326.665222][ T27] ? apparmor_file_open+0x3c7/0x780 [ 326.665248][ T27] ? apparmor_inode_getattr+0x20/0x20 [ 326.665270][ T27] ? __rwlock_init+0x140/0x140 [ 326.665286][ T27] ? lockdown_is_locked_down+0x36/0xe0 [ 326.665309][ T27] tracing_open_file_tr+0xab/0x2f0 [ 326.665334][ T27] ? tracing_open_generic_tr+0x180/0x180 [ 326.665355][ T27] do_dentry_open+0x7dd/0x10b0 [ 326.665388][ T27] path_openat+0x2674/0x2f10 [ 326.665424][ T27] ? verify_lock_unused+0x140/0x140 [ 326.665446][ T27] ? do_sys_openat2+0xdd/0x4f0 [ 326.665473][ T27] ? do_filp_open+0x420/0x420 [ 326.665508][ T27] do_filp_open+0x1ee/0x420 [ 326.665531][ T27] ? vfs_tmpfile+0x470/0x470 [ 326.665570][ T27] ? _raw_spin_unlock+0x24/0x40 [ 326.665589][ T27] ? alloc_fd+0x590/0x640 [ 326.665618][ T27] do_sys_openat2+0x14b/0x4f0 [ 326.665642][ T27] ? do_sys_open+0xe0/0xe0 [ 326.665665][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 326.665691][ T27] ? lock_chain_count+0x20/0x20 [ 326.665718][ T27] __x64_sys_openat+0x135/0x160 [ 326.665745][ T27] do_syscall_64+0x4c/0xa0 [ 326.665767][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.665787][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.665810][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.665831][ T27] RIP: 0033:0x7f985979e0d9 [ 326.665846][ T27] RSP: 002b:00007ffe09eed768 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 326.665865][ T27] RAX: ffffffffffffffda RBX: 00007f9859a25fa0 RCX: 00007f985979e0d9 [ 326.665879][ T27] RDX: 0000000000000101 RSI: 0000200000000400 RDI: ffffffffffffff9c [ 326.665892][ T27] RBP: 00007f9859835024 R08: 0000000000000000 R09: 0000000000000000 [ 326.665904][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.665916][ T27] R13: 00007f9859a25fac R14: 00007f9859a25fa0 R15: 00007f9859a25fa0 [ 326.665943][ T27] [ 326.665951][ T27] INFO: task syz.4.21:4522 blocked for more than 143 seconds. [ 326.665963][ T27] Not tainted syzkaller #0 [ 326.665973][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 326.665981][ T27] task:syz.4.21 state:D stack:26688 pid:4522 ppid:4424 flags:0x00004004 [ 326.666012][ T27] Call Trace: [ 326.666018][ T27] [ 326.666029][ T27] __schedule+0x107f/0x4030 [ 326.666070][ T27] ? __sched_text_start+0x8/0x8 [ 326.666097][ T27] ? __mutex_trylock_common+0x86/0x260 [ 326.666121][ T27] ? trace_raw_output_contention_end+0xd0/0xd0 [ 326.666148][ T27] schedule+0xb9/0x180 [ 326.666171][ T27] schedule_preempt_disabled+0xf/0x20 [ 326.666193][ T27] __mutex_lock+0x548/0xae0 [ 326.666218][ T27] ? __mutex_lock+0x3ba/0xae0 [ 326.666245][ T27] ? tracing_open_file_tr+0xab/0x2f0 [ 326.666269][ T27] ? mutex_lock_nested+0x10/0x10 [ 326.666290][ T27] ? apparmor_file_open+0x3c7/0x780 [ 326.666316][ T27] ? apparmor_inode_getattr+0x20/0x20 [ 326.666338][ T27] ? __rwlock_init+0x140/0x140 [ 326.666355][ T27] ? lockdown_is_locked_down+0x36/0xe0 [ 326.666379][ T27] tracing_open_file_tr+0xab/0x2f0 [ 326.666404][ T27] ? tracing_open_generic_tr+0x180/0x180 [ 326.666426][ T27] do_dentry_open+0x7dd/0x10b0 [ 326.666460][ T27] path_openat+0x2674/0x2f10 [ 326.666496][ T27] ? verify_lock_unused+0x140/0x140 [ 326.666518][ T27] ? do_sys_openat2+0xdd/0x4f0 [ 326.666545][ T27] ? do_filp_open+0x420/0x420 [ 326.666580][ T27] do_filp_open+0x1ee/0x420 [ 326.666604][ T27] ? vfs_tmpfile+0x470/0x470 [ 326.666643][ T27] ? _raw_spin_unlock+0x24/0x40 [ 326.666659][ T27] ? alloc_fd+0x590/0x640 [ 326.666688][ T27] do_sys_openat2+0x14b/0x4f0 [ 326.666714][ T27] ? do_sys_open+0xe0/0xe0 [ 326.666737][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 326.666763][ T27] ? lock_chain_count+0x20/0x20 [ 326.666790][ T27] __x64_sys_openat+0x135/0x160 [ 326.666817][ T27] do_syscall_64+0x4c/0xa0 [ 326.666838][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.666859][ T27] ? clear_bhb_loop+0x60/0xb0 [ 326.666882][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.666903][ T27] RIP: 0033:0x7f900b79e0d9 [ 326.666918][ T27] RSP: 002b:00007ffc7c9e26e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 326.666938][ T27] RAX: ffffffffffffffda RBX: 00007f900ba25fa0 RCX: 00007f900b79e0d9 [ 326.666951][ T27] RDX: 0000000000000101 RSI: 0000200000000400 RDI: ffffffffffffff9c [ 326.666964][ T27] RBP: 00007f900b835024 R08: 0000000000000000 R09: 0000000000000000 [ 326.666977][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.666989][ T27] R13: 00007f900ba25fac R14: 00007f900ba25fa0 R15: 00007f900ba25fa0 [ 326.667016][ T27] [ 326.667088][ T27] [ 326.667088][ T27] Showing all locks held in the system: [ 326.667099][ T27] 1 lock held by rcu_tasks_kthre/12: [ 326.667111][ T27] #0: ffffffff8cb2e4f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 [ 326.667169][ T27] 1 lock held by rcu_tasks_trace/13: [ 326.667180][ T27] #0: ffffffff8cb2ed10 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 [ 326.667230][ T27] 3 locks held by kworker/0:1/14: [ 326.667240][ T27] #0: ffff888017470938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667290][ T27] #1: ffffc90000137d00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667339][ T27] #2: ffff88805a197240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x283/0x3320 [ 326.667398][ T27] 1 lock held by khungtaskd/27: [ 326.667409][ T27] #0: ffffffff8cb2db60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 326.667466][ T27] 3 locks held by kworker/u4:4/76: [ 326.667507][ T27] 2 locks held by getty/4027: [ 326.667517][ T27] #0: ffff88814d22c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 326.667570][ T27] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360 [ 326.667624][ T27] 3 locks held by kworker/1:17/4388: [ 326.667635][ T27] #0: ffff888017470938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667683][ T27] #1: ffffc90004277d00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667731][ T27] #2: ffff888027d8d240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x283/0x3320 [ 326.667786][ T27] 3 locks held by kworker/0:8/4459: [ 326.667797][ T27] #0: ffff88802f087538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667846][ T27] #1: ffffc90003427d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 326.667893][ T27] #2: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xc4/0x1500 [ 326.667943][ T27] 9 locks held by syz.0.17/4518: [ 326.667954][ T27] 1 lock held by syz.3.20/4519: [ 326.667964][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668016][ T27] 1 lock held by syz.2.19/4520: [ 326.668026][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668077][ T27] 1 lock held by syz.1.18/4521: [ 326.668094][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668145][ T27] 1 lock held by syz.4.21/4522: [ 326.668155][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668209][ T27] 1 lock held by syz.5.22/4582: [ 326.668220][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668270][ T27] 1 lock held by syz.7.24/4623: [ 326.668281][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668336][ T27] 1 lock held by syz.8.25/4624: [ 326.668347][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668397][ T27] 1 lock held by syz.6.23/4625: [ 326.668408][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668459][ T27] 1 lock held by syz.9.26/4626: [ 326.668469][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668522][ T27] 1 lock held by syz.1.28/4700: [ 326.668533][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668583][ T27] 1 lock held by syz.3.33/4731: [ 326.668593][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668644][ T27] 1 lock held by syz.2.32/4733: [ 326.668654][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668704][ T27] 1 lock held by syz.4.34/4734: [ 326.668715][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668766][ T27] 1 lock held by syz.5.65/4770: [ 326.668776][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668830][ T27] 1 lock held by syz.7.80/4837: [ 326.668840][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668890][ T27] 1 lock held by syz.6.82/4867: [ 326.668900][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.668948][ T27] 1 lock held by syz.8.84/4868: [ 326.668959][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.669008][ T27] 1 lock held by syz.9.98/4894: [ 326.669018][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.669068][ T27] 3 locks held by syz-executor/4913: [ 326.669079][ T27] #0: ffffffff8ddbc170 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 326.669132][ T27] #1: ffffffff8ddbbf88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x107/0x790 [ 326.669177][ T27] #2: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_register_hw+0x28a0/0x39f0 [ 326.669231][ T27] 2 locks held by syz-executor/4917: [ 326.669242][ T27] #0: ffffffff8ddbc170 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 326.669287][ T27] #1: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5a/0x890 [ 326.669340][ T27] 1 lock held by syz.1.118/4921: [ 326.669351][ T27] #0: ffffffff8cb77748 (trace_types_lock){+.+.}-{3:3}, at: tracing_open_file_tr+0xab/0x2f0 [ 326.669403][ T27] 7 locks held by syz-executor/4939: [ 326.669419][ T27] 4 locks held by syz.0.148/4961: [ 326.669431][ T27] 1 lock held by syz-executor/4963: [ 326.669441][ T27] #0: ffffffff8dd5b968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x80d/0xfb0 [ 326.669495][ T27] [ 326.669500][ T27] ============================================= [ 326.669500][ T27] [ 326.669517][ T27] NMI backtrace for cpu 0 [ 326.669525][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 326.669542][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 326.669552][ T27] Call Trace: [ 326.669559][ T27] [ 326.669566][ T27] dump_stack_lvl+0x188/0x24e [ 326.669590][ T27] ? show_regs_print_info+0x12/0x12 [ 326.669613][ T27] ? load_image+0x410/0x410 [ 326.669630][ T27] ? vprintk_emit+0x59f/0x6a0 [ 326.669655][ T27] ? printk_sprint+0x460/0x460 [ 326.669681][ T27] nmi_cpu_backtrace+0x3e6/0x460 [ 326.669708][ T27] ? nmi_trigger_cpumask_backtrace+0x450/0x450 [ 326.669729][ T27] ? _printk+0xda/0x130 [ 326.669746][ T27] ? load_image+0x410/0x410 [ 326.669766][ T27] ? load_image+0x410/0x410 [ 326.669785][ T27] ? nmi_trigger_cpumask_backtrace+0xf3/0x450 [ 326.669807][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 326.669827][ T27] nmi_trigger_cpumask_backtrace+0x1d4/0x450 [ 326.669852][ T27] watchdog+0xf0e/0xf50 [ 326.669876][ T27] ? watchdog+0x1ed/0xf50 [ 326.669899][ T27] kthread+0x29d/0x330 [ 326.669914][ T27] ? hungtask_pm_notify+0x40/0x40 [ 326.669933][ T27] ? kthread_blkcg+0xd0/0xd0 [ 326.669951][ T27] ret_from_fork+0x1f/0x30 [ 326.669983][ T27] [ 326.669991][ T27] Sending NMI from CPU 0 to CPUs 1: [ 326.670017][ C1] NMI backtrace for cpu 1 [ 326.670026][ C1] CPU: 1 PID: 4518 Comm: syz.0.17 Not tainted syzkaller #0 [ 326.670040][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 326.670048][ C1] RIP: 0010:unwind_next_frame+0x97/0x1fd0 [ 326.670069][ C1] Code: 85 c0 0f 84 24 17 00 00 89 44 24 64 48 89 6c 24 40 4c 89 6c 24 68 4c 89 64 24 48 4c 89 7c 24 10 bf 01 00 00 00 e8 09 c1 1f 00 <4c> 8d 7b 50 4c 89 f8 48 c1 e8 03 48 89 44 24 30 42 80 3c 30 00 74 [ 326.670081][ C1] RSP: 0018:ffffc900001dfe60 EFLAGS: 00000202 [ 326.670094][ C1] RAX: 0000000000000303 RBX: ffffc900001dff08 RCX: ffffffff96c17103 [ 326.670105][ C1] RDX: dffffc0000000000 RSI: ffffffff8187b988 RDI: 0000000000000001 [ 326.670115][ C1] RBP: 1ffff9200003bfe8 R08: ffffc900001dffd0 R09: 000000000000001b [ 326.670126][ C1] R10: dffffc0000000000 R11: fffff5200003bfed R12: ffffffff8187b988 [ 326.670137][ C1] R13: ffffc900034d7d60 R14: dffffc0000000000 R15: 1ffff9200003bfe1 [ 326.670148][ C1] FS: 000055557f9c3500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 326.670164][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 326.670174][ C1] CR2: 00007f7e34b58060 CR3: 000000007c8a0000 CR4: 00000000003506e0 [ 326.670186][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 326.670193][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 326.670202][ C1] Call Trace: [ 326.670206][ C1] [ 326.670215][ C1] ? instance_mkdir+0xc8/0x120 [ 326.670231][ C1] ? instance_mkdir+0xc8/0x120 [ 326.670248][ C1] ? stack_trace_save+0xf0/0xf0 [ 326.670266][ C1] arch_stack_walk+0x10c/0x140 [ 326.670287][ C1] ? instance_mkdir+0xc8/0x120 [ 326.670302][ C1] stack_trace_save+0xa6/0xf0 [ 326.670320][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 326.670338][ C1] ? __lock_acquire+0x138a/0x7c40 [ 326.670360][ C1] kasan_set_track+0x4b/0x70 [ 326.670378][ C1] ? kasan_set_track+0x4b/0x70 [ 326.670396][ C1] ? __kasan_slab_alloc+0x6b/0x80 [ 326.670414][ C1] ? slab_post_alloc_hook+0x4b/0x490 [ 326.670429][ C1] ? kmem_cache_alloc+0x18b/0x2f0 [ 326.670443][ C1] ? debug_objects_fill_pool+0x40a/0x780 [ 326.670467][ C1] ? debug_object_activate+0x32/0x4f0 [ 326.670479][ C1] ? kvfree_call_rcu+0xae/0x890 [ 326.670500][ C1] ? neigh_remove_one+0x5ed/0x700 [ 326.670514][ C1] ? ___neigh_create+0x487/0x2450 [ 326.670528][ C1] ? ip6_finish_output2+0x150e/0x15c0 [ 326.670549][ C1] ? ndisc_send_skb+0xc04/0x1520 [ 326.670566][ C1] ? addrconf_rs_timer+0x367/0x640 [ 326.670587][ C1] ? call_timer_fn+0x1ac/0x670 [ 326.670601][ C1] ? __run_timers+0x56c/0x810 [ 326.670614][ C1] ? run_timer_softirq+0x63/0xf0 [ 326.670627][ C1] ? handle_softirqs+0x291/0x910 [ 326.670640][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 326.670653][ C1] ? irq_exit_rcu+0x5/0x20 [ 326.670665][ C1] ? sysvec_apic_timer_interrupt+0xa0/0xc0 [ 326.670679][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 326.670698][ C1] ? console_emit_next_record+0x92f/0xb50 [ 326.670719][ C1] ? console_unlock+0x223/0x630 [ 326.670737][ C1] ? vprintk_emit+0x4b3/0x6a0 [ 326.670755][ C1] ? _printk+0xda/0x130 [ 326.670769][ C1] ? event_trace_add_tracer+0x2a3/0x3a0 [ 326.670782][ C1] ? trace_array_create_dir+0x77/0x120 [ 326.670801][ C1] ? trace_array_create+0x724/0xcb0 [ 326.670820][ C1] ? instance_mkdir+0xc8/0x120 [ 326.670846][ C1] __kasan_slab_alloc+0x6b/0x80 [ 326.670867][ C1] slab_post_alloc_hook+0x4b/0x490 [ 326.670882][ C1] ? slab_pre_alloc_hook+0x59/0x300 [ 326.670899][ C1] kmem_cache_alloc+0x18b/0x2f0 [ 326.670913][ C1] ? debug_objects_fill_pool+0x40a/0x780 [ 326.670928][ C1] ? debug_objects_fill_pool+0x87/0x780 [ 326.670942][ C1] debug_objects_fill_pool+0x40a/0x780 [ 326.670957][ C1] ? debug_objects_fill_pool+0x87/0x780 [ 326.670970][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 326.670987][ C1] ? debug_object_activate+0x4f0/0x4f0 [ 326.671005][ C1] ? rcu_is_watching+0x11/0xa0 [ 326.671025][ C1] ? ref_tracker_free+0x515/0x830 [ 326.671043][ C1] ? ref_tracker_free+0x515/0x830 [ 326.671062][ C1] debug_object_activate+0x32/0x4f0 [ 326.671075][ C1] ? neigh_remove_one+0x5ed/0x700 [ 326.671089][ C1] ? ___neigh_create+0x487/0x2450 [ 326.671104][ C1] ? ip6_finish_output2+0x150e/0x15c0 [ 326.671125][ C1] ? ndisc_send_skb+0xc04/0x1520 [ 326.671143][ C1] kvfree_call_rcu+0xae/0x890 [ 326.671163][ C1] ? sysvec_apic_timer_interrupt+0xa0/0xc0 [ 326.671177][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 326.671195][ C1] ? console_emit_next_record+0x92f/0xb50 [ 326.671215][ C1] ? console_unlock+0x223/0x630 [ 326.671235][ C1] ? rcu_leak_callback+0x10/0x10 [ 326.671257][ C1] ? neigh_destroy+0x480/0x5e0 [ 326.671275][ C1] neigh_remove_one+0x5ed/0x700 [ 326.671292][ C1] ___neigh_create+0x487/0x2450 [ 326.671315][ C1] ? ip6_finish_output2+0x58f/0x15c0 [ 326.671336][ C1] ip6_finish_output2+0x150e/0x15c0 [ 326.671360][ C1] ? ip6_finish_output2+0x58f/0x15c0 [ 326.671382][ C1] ? nf_hook+0x390/0x390 [ 326.671402][ C1] ? ip6_mtu+0x31a/0x3f0 [ 326.671416][ C1] ? ip6_finish_output+0x563/0x7f0 [ 326.671439][ C1] ndisc_send_skb+0xc04/0x1520 [ 326.671458][ C1] ? ndisc_send_skb+0x1f0/0x1520 [ 326.671479][ C1] ? ndisc_mc_map+0x800/0x800 [ 326.671495][ C1] ? rcu_is_watching+0x11/0xa0 [ 326.671516][ C1] ? skb_dst+0xd0/0xd0 [ 326.671541][ C1] addrconf_rs_timer+0x367/0x640 [ 326.671558][ C1] ? detach_timer+0x30/0x350 [ 326.671574][ C1] ? addrconf_disable_policy_idev+0x4c0/0x4c0 [ 326.671601][ C1] call_timer_fn+0x1ac/0x670 [ 326.671615][ C1] ? addrconf_disable_policy_idev+0x4c0/0x4c0 [ 326.671633][ C1] ? call_timer_fn+0xcf/0x670 [ 326.671647][ C1] ? __run_timers+0x810/0x810 [ 326.671665][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 326.671681][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 326.671694][ C1] ? addrconf_disable_policy_idev+0x4c0/0x4c0 [ 326.671713][ C1] __run_timers+0x56c/0x810 [ 326.671734][ C1] ? detach_timer+0x350/0x350 [ 326.671750][ C1] ? lock_chain_count+0x20/0x20 [ 326.671772][ C1] run_timer_softirq+0x63/0xf0 [ 326.671786][ C1] handle_softirqs+0x291/0x910 [ 326.671802][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 326.671818][ C1] ? do_softirq+0x210/0x210 [ 326.671830][ C1] ? hrtimer_interrupt+0x775/0x980 [ 326.671848][ C1] ? irqtime_account_irq+0xb2/0x1b0 [ 326.671863][ C1] __irq_exit_rcu+0x13b/0x230 [ 326.671876][ C1] ? irq_exit_rcu+0x20/0x20 [ 326.671894][ C1] irq_exit_rcu+0x5/0x20 [ 326.671907][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 326.671921][ C1] [ 326.671925][ C1] [ 326.671930][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 326.671949][ C1] RIP: 0010:console_emit_next_record+0x92f/0xb50 [ 326.671972][ C1] Code: 0f 85 af 00 00 00 e8 80 ab 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 71 ab 1a 00 eb 06 e8 6a ab 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06 [ 326.671984][ C1] RSP: 0018:ffffc900034d7800 EFLAGS: 00000293 [ 326.671996][ C1] RAX: ffffffff816782b6 RBX: 0000000000000001 RCX: ffff88807b185a00 [ 326.672006][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 326.672015][ C1] RBP: ffffc900034d7a20 R08: ffffffff90b10247 R09: 1ffffffff2162048 [ 326.672026][ C1] R10: dffffc0000000000 R11: fffffbfff2162049 R12: 1ffff9200069af4b [ 326.672038][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff9200069af0c [ 326.672051][ C1] ? console_emit_next_record+0x926/0xb50 [ 326.672076][ C1] ? console_emit_next_record+0x68f/0xb50 [ 326.672100][ C1] ? info_print_prefix+0x360/0x360 [ 326.672125][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 326.672149][ C1] ? __down_trylock_console_sem+0xf2/0x1f0 [ 326.672171][ C1] ? __down_trylock_console_sem+0x19f/0x1f0 [ 326.672191][ C1] ? _printk+0xda/0x130 [ 326.672205][ C1] ? _printk+0xda/0x130 [ 326.672219][ C1] ? console_trylock+0x160/0x160 [ 326.672239][ C1] console_unlock+0x223/0x630 [ 326.672260][ C1] ? _printk+0xda/0x130 [ 326.672275][ C1] vprintk_emit+0x4b3/0x6a0 [ 326.672295][ C1] ? printk_sprint+0x460/0x460 [ 326.672315][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 326.672330][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 326.672347][ C1] _printk+0xda/0x130 [ 326.672362][ C1] ? event_create_dir+0xc0e/0xe50 [ 326.672377][ C1] ? load_image+0x410/0x410 [ 326.672392][ C1] ? event_create_dir+0xc0e/0xe50 [ 326.672409][ C1] event_trace_add_tracer+0x2a3/0x3a0 [ 326.672425][ C1] trace_array_create_dir+0x77/0x120 [ 326.672446][ C1] trace_array_create+0x724/0xcb0 [ 326.672465][ C1] ? instance_mkdir+0xb9/0x120 [ 326.672480][ C1] instance_mkdir+0xc8/0x120 [ 326.672496][ C1] tracefs_syscall_mkdir+0xb7/0x110 [ 326.672512][ C1] vfs_mkdir+0x386/0x570 [ 326.672530][ C1] do_mkdirat+0x1d8/0x440 [ 326.672546][ C1] ? vfs_mkdir+0x570/0x570 [ 326.672565][ C1] __x64_sys_mkdirat+0x85/0x90 [ 326.672580][ C1] do_syscall_64+0x4c/0xa0 [ 326.672603][ C1] ? clear_bhb_loop+0x60/0xb0 [ 326.672621][ C1] ? clear_bhb_loop+0x60/0xb0 [ 326.672640][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 326.672658][ C1] RIP: 0033:0x7fcf5499e0d9 [ 326.672690][ C1] Code: Unable to access opcode bytes at 0x7fcf5499e0af. [ 326.672698][ C1] RSP: 002b:00007ffe26787d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 326.672712][ C1] RAX: ffffffffffffffda RBX: 00007fcf54c25fa0 RCX: 00007fcf5499e0d9 [ 326.672722][ C1] RDX: 00000000000001ff RSI: 0000200000000100 RDI: ffffffffffffff9c [ 326.672732][ C1] RBP: 00007fcf54a35024 R08: 0000000000000000 R09: 0000000000000000 [ 326.672741][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 326.672749][ C1] R13: 00007fcf54c25fac R14: 00007fcf54c25fa0 R15: 00007fcf54c25fa0 [ 326.672766][ C1] [ 326.711224][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 326.711237][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 326.711253][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 326.711262][ T27] Call Trace: [ 326.711269][ T27] [ 326.711275][ T27] dump_stack_lvl+0x188/0x24e [ 326.711303][ T27] ? memcpy+0x3c/0x60 [ 326.711320][ T27] ? show_regs_print_info+0x12/0x12 [ 326.711341][ T27] ? load_image+0x410/0x410 [ 326.711367][ T27] panic+0x2d3/0x710 [ 326.711383][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 326.711409][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 326.711425][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 326.711449][ T27] ? nmi_trigger_cpumask_backtrace+0x35b/0x450 [ 326.730029][ T4518] Failed to create system directory afs [ 326.730050][ T4518] Could not create directory for event afs_edit_dir [ 326.751313][ T4518] Failed to create system directory afs [ 326.751336][ T4518] Could not create directory for event afs_lookup [ 326.770089][ T4518] Failed to create system directory afs [ 326.770113][ T4518] Could not create directory for event afs_call_state [ 326.787828][ T4518] Failed to create system directory afs [ 326.787851][ T4518] Could not create directory for event afs_folio_dirty [ 326.805795][ T4518] Failed to create system directory afs [ 326.805820][ T4518] Could not create directory for event afs_dir_check_failed [ 326.810964][ T4961] Memory cgroup out of memory: Killed process 4961 (syz.0.148) total-vm:44920kB, anon-rss:1324kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 326.868550][ T4518] Failed to create system directory afs [ 326.868572][ T4518] Could not create directory for event afs_sent_data [ 326.901287][ T4518] Failed to create system directory afs [ 326.901313][ T4518] Could not create directory for event afs_send_data [ 326.933970][ T4518] Failed to create system directory afs [ 326.933993][ T4518] Could not create directory for event afs_call_done [ 326.980502][ T4518] Failed to create system directory afs [ 326.980524][ T4518] Could not create directory for event afs_make_vl_call [ 327.005529][ T4518] Failed to create system directory afs [ 327.005555][ T4518] Could not create directory for event afs_make_fs_call2 [ 327.044701][ T4518] Failed to create system directory afs [ 327.044725][ T4518] Could not create directory for event afs_make_fs_call1 [ 327.086077][ T4518] Failed to create system directory afs [ 327.086105][ T4518] Could not create directory for event afs_make_fs_calli [ 327.105477][ T4518] Failed to create system directory afs [ 327.105500][ T4518] Could not create directory for event afs_make_fs_call [ 327.140994][ T4518] Failed to create system directory afs [ 327.141019][ T4518] Could not create directory for event afs_call [ 327.179315][ T4518] Failed to create system directory afs [ 327.179341][ T4518] Could not create directory for event afs_cb_call [ 327.197345][ T4518] Failed to create system directory afs [ 327.197367][ T4518] Could not create directory for event afs_notify_call [ 327.230388][ T4518] Failed to create system directory afs [ 327.230413][ T4518] Could not create directory for event afs_receive_data [ 327.248350][ T4518] Failed to create system directory xfs_scrub [ 327.248375][ T4518] Could not create directory for event xrep_ialloc_insert [ 327.371674][ T4518] Failed to create system directory xfs_scrub [ 327.371697][ T4518] Could not create directory for event xrep_reset_counters [ 327.408875][ T4518] Failed to create system directory xfs_scrub [ 327.408904][ T4518] Could not create directory for event xrep_calc_ag_resblks_btsize [ 327.450928][ T4518] Failed to create system directory xfs_scrub [ 327.450955][ T4518] Could not create directory for event xrep_calc_ag_resblks [ 327.474752][ T4518] Failed to create system directory xfs_scrub [ 327.474782][ T4518] Could not create directory for event xrep_findroot_block [ 327.526568][ T4518] Failed to create system directory xfs_scrub [ 327.526593][ T4518] Could not create directory for event xrep_init_btblock [ 327.554404][ T4518] Failed to create system directory xfs_scrub [ 327.554436][ T4518] Could not create directory for event xrep_refcount_extent_fn [ 327.609936][ T4518] Failed to create system directory xfs_scrub [ 327.609964][ T4518] Could not create directory for event xrep_bmap_extent_fn [ 327.662814][ T4518] Failed to create system directory xfs_scrub [ 327.665362][ T4518] Could not create directory for event xrep_rmap_extent_fn [ 327.687021][ T4518] Failed to create system directory xfs_scrub [ 327.687061][ T4518] Could not create directory for event xrep_ialloc_extent_fn [ 327.728785][ T4518] Failed to create system directory xfs_scrub [ 327.728812][ T4518] Could not create directory for event xrep_alloc_extent_fn [ 327.790038][ T4518] Failed to create system directory xfs_scrub [ 327.790064][ T4518] Could not create directory for event xrep_agfl_insert [ 327.831549][ T4518] Failed to create system directory xfs_scrub [ 327.831576][ T4518] Could not create directory for event xrep_dispose_btree_extent [ 327.864932][ T4518] Failed to create system directory xfs_scrub [ 327.864961][ T4518] Could not create directory for event xchk_fscounters_within_range [ 327.889204][ T4518] Failed to create system directory xfs_scrub [ 327.889237][ T4518] Could not create directory for event xchk_fscounters_calc [ 327.941508][ T4518] Failed to create system directory xfs_scrub [ 327.941531][ T4518] Could not create directory for event xchk_iallocbt_check_cluster [ 327.984406][ T4518] Failed to create system directory xfs_scrub [ 327.984436][ T4518] Could not create directory for event xchk_xref_error [ 328.016564][ T4518] Failed to create system directory xfs_scrub [ 328.016590][ T4518] Could not create directory for event xchk_btree_key [ 328.048257][ T4518] Failed to create system directory xfs_scrub [ 328.048283][ T4518] Could not create directory for event xchk_btree_rec [ 328.097822][ T4518] Failed to create system directory xfs_scrub [ 328.097847][ T4518] Could not create directory for event xchk_ifork_btree_error [ 328.120129][ T4518] Failed to create system directory xfs_scrub [ 328.149329][ T4518] Could not create directory for event xchk_btree_error [ 328.172105][ T4518] Failed to create system directory xfs_scrub [ 328.172129][ T4518] Could not create directory for event xchk_ifork_btree_op_error [ 328.206761][ T4518] Failed to create system directory xfs_scrub [ 328.206796][ T4518] Could not create directory for event xchk_btree_op_error [ 328.243768][ T4518] Failed to create system directory xfs_scrub [ 328.243796][ T4518] Could not create directory for event xchk_incomplete [ 328.289575][ T4518] Failed to create system directory xfs_scrub [ 328.289606][ T4518] Could not create directory for event xchk_fblock_warning [ 328.336604][ T4518] Failed to create system directory xfs_scrub [ 328.336630][ T4518] Could not create directory for event xchk_fblock_error [ 328.374310][ T4518] Failed to create system directory xfs_scrub [ 328.374343][ T4518] Could not create directory for event xchk_ino_warning [ 328.397648][ T4518] Failed to create system directory xfs_scrub [ 328.397680][ T4518] Could not create directory for event xchk_ino_preen [ 328.429387][ T4518] Failed to create system directory xfs_scrub [ 328.429416][ T4518] Could not create directory for event xchk_ino_error [ 328.453904][ T4518] Failed to create system directory xfs_scrub [ 328.453929][ T4518] Could not create directory for event xchk_block_preen [ 328.495317][ T4518] Failed to create system directory xfs_scrub [ 328.495340][ T4518] Could not create directory for event xchk_block_error [ 328.528028][ T4518] Failed to create system directory xfs_scrub [ 328.528059][ T4518] Could not create directory for event xchk_fs_error [ 328.546206][ T4518] Failed to create system directory xfs_scrub [ 328.546230][ T4518] Could not create directory for event xchk_file_op_error [ 328.578896][ T4518] Failed to create system directory xfs_scrub [ 328.578921][ T4518] Could not create directory for event xchk_op_error [ 328.602284][ T4518] Failed to create system directory xfs_scrub [ 328.602308][ T4518] Could not create directory for event xrep_done [ 328.638264][ T4518] Failed to create system directory xfs_scrub [ 328.638289][ T4518] Could not create directory for event xrep_attempt [ 328.656443][ T4518] Failed to create system directory xfs_scrub [ 328.656466][ T4518] Could not create directory for event xchk_deadlock_retry [ 328.695891][ T4518] Failed to create system directory xfs_scrub [ 328.695913][ T4518] Could not create directory for event xchk_done [ 328.729552][ T4518] Failed to create system directory xfs_scrub [ 328.729578][ T4518] Could not create directory for event xchk_start [ 328.747834][ T4518] Failed to create system directory xfs [ 328.747858][ T4518] Could not create directory for event xfs_force_shutdown [ 328.781787][ T4518] Failed to create system directory xfs [ 328.781814][ T4518] Could not create directory for event xfs_attr_defer_remove [ 328.804455][ T4518] Failed to create system directory xfs [ 328.804480][ T4518] Could not create directory for event xfs_attr_defer_replace [ 328.837163][ T4518] Failed to create system directory xfs [ 328.837189][ T4518] Could not create directory for event xfs_attr_defer_add [ 328.855601][ T4518] Failed to create system directory xfs [ 328.855628][ T4518] Could not create directory for event xfs_attr_rmtval_remove_return [ 328.888474][ T4518] Failed to create system directory xfs [ 328.888501][ T4518] Could not create directory for event xfs_attr_rmtval_alloc [ 328.922401][ T4518] Failed to create system directory xfs [ 328.922429][ T4518] Could not create directory for event xfs_attr_remove_iter_return [ 328.947254][ T4518] Failed to create system directory xfs [ 328.947280][ T4518] Could not create directory for event xfs_attr_node_addname_return [ 328.980931][ T4518] Failed to create system directory xfs [ 328.980967][ T4518] Could not create directory for event xfs_attr_leaf_addname_return [ 329.003772][ T4518] Failed to create system directory xfs [ 329.003796][ T4518] Could not create directory for event xfs_attr_set_iter_return [ 329.042976][ T4518] Failed to create system directory xfs [ 329.043001][ T4518] Could not create directory for event xfs_attr_sf_addname_return [ 329.071204][ T4518] Failed to create system directory xfs [ 329.071229][ T4518] Could not create directory for event xlog_iclog_write [ 329.108597][ T4518] Failed to create system directory xfs [ 329.108622][ T4518] Could not create directory for event xlog_iclog_wait_on [ 329.141729][ T4518] Failed to create system directory xfs [ 329.141756][ T4518] Could not create directory for event xlog_iclog_want_sync [ 329.171226][ T4518] Failed to create system directory xfs [ 329.171253][ T4518] Could not create directory for event xlog_iclog_sync_done [ 329.208428][ T4518] Failed to create system directory xfs [ 329.208453][ T4518] Could not create directory for event xlog_iclog_syncing [ 329.245691][ T4518] Failed to create system directory xfs [ 329.245717][ T4518] Could not create directory for event xlog_iclog_sync [ 329.279438][ T4518] Failed to create system directory xfs [ 329.279463][ T4518] Could not create directory for event xlog_iclog_switch [ 329.297661][ T4518] Failed to create system directory xfs [ 329.297686][ T4518] Could not create directory for event xlog_iclog_release [ 329.335687][ T4518] Failed to create system directory xfs [ 329.335712][ T4518] Could not create directory for event xlog_iclog_get_space [ 329.354658][ T4518] Failed to create system directory xfs [ 329.354682][ T4518] Could not create directory for event xlog_iclog_force_lsn [ 329.387202][ T4518] Failed to create system directory xfs [ 329.387225][ T4518] Could not create directory for event xlog_iclog_force [ 329.421012][ T4518] Failed to create system directory xfs [ 329.421034][ T4518] Could not create directory for event xlog_iclog_callbacks_done [ 329.444616][ T4518] Failed to create system directory xfs [ 329.444639][ T4518] Could not create directory for event xlog_iclog_callbacks_start [ 329.472836][ T4518] Failed to create system directory xfs [ 329.472861][ T4518] Could not create directory for event xlog_iclog_callback [ 329.496398][ T4518] Failed to create system directory xfs [ 329.496421][ T4518] Could not create directory for event xlog_iclog_clean [ 329.534071][ T4518] Failed to create system directory xfs [ 329.534096][ T4518] Could not create directory for event xlog_iclog_activate [ 329.552217][ T4518] Failed to create system directory xfs [ 329.552240][ T4518] Could not create directory for event xfs_blockgc_free_space [ 329.586886][ T4518] Failed to create system directory xfs [ 329.586915][ T4518] Could not create directory for event xfs_ioc_free_eofblocks [ 329.605073][ T4518] Failed to create system directory xfs [ 329.605096][ T4518] Could not create directory for event xfs_quota_expiry_range [ 329.642817][ T4518] Failed to create system directory xfs [ 329.642840][ T4518] Could not create directory for event xfs_inode_timestamp_range [ 329.671035][ T4518] Failed to create system directory xfs [ 329.671059][ T4518] Could not create directory for event xfs_btree_bload_block [ 329.694156][ T4518] Failed to create system directory xfs [ 329.694180][ T4518] Could not create directory for event xfs_btree_bload_level_geometry [ 329.726533][ T4518] Failed to create system directory xfs [ 329.726556][ T4518] Could not create directory for event xfs_btree_commit_ifakeroot [ 329.750411][ T4518] Failed to create system directory xfs [ 329.750435][ T4518] Could not create directory for event xfs_btree_commit_afakeroot [ 329.784756][ T4518] Failed to create system directory xfs [ 329.784781][ T4518] Could not create directory for event xfs_check_new_dalign [ 329.802898][ T4518] Failed to create system directory xfs [ 329.802921][ T4518] Could not create directory for event kmem_alloc [ 329.840433][ T4518] Failed to create system directory xfs [ 329.840462][ T4518] Could not create directory for event xfs_pwork_init [ 329.858600][ T4518] Failed to create system directory xfs [ 329.858624][ T4518] Could not create directory for event xfs_iwalk_ag_rec [ 329.895633][ T4518] Failed to create system directory xfs [ 329.895658][ T4518] Could not create directory for event xfs_iwalk_ag [ 329.933720][ T4518] Failed to create system directory xfs [ 329.933745][ T4518] Could not create directory for event xfs_inode_mark_healthy [ 329.954229][ T4518] Failed to create system directory xfs [ 329.954255][ T4518] Could not create directory for event xfs_inode_mark_sick [ 329.994101][ T4518] Failed to create system directory xfs [ 329.994128][ T4518] Could not create directory for event xfs_ag_unfixed_corruption [ 330.048264][ T4518] Failed to create system directory xfs [ 330.048295][ T4518] Could not create directory for event xfs_ag_mark_healthy [ 330.087300][ T4518] Failed to create system directory xfs [ 330.087326][ T4518] Could not create directory for event xfs_ag_mark_sick [ 330.105706][ T4518] Failed to create system directory xfs [ 330.105733][ T4518] Could not create directory for event xfs_rt_unfixed_corruption [ 330.156512][ T4518] Failed to create system directory xfs [ 330.156536][ T4518] Could not create directory for event xfs_rt_mark_healthy [ 330.189687][ T4518] Failed to create system directory xfs [ 330.189713][ T4518] Could not create directory for event xfs_rt_mark_sick [ 330.207801][ T4518] Failed to create system directory xfs [ 330.207824][ T4518] Could not create directory for event xfs_fs_unfixed_corruption [ 330.251167][ T4518] Failed to create system directory xfs [ 330.251192][ T4518] Could not create directory for event xfs_fs_mark_healthy [ 330.289593][ T4518] Failed to create system directory xfs [ 330.289621][ T4518] Could not create directory for event xfs_fs_mark_sick [ 330.321739][ T4518] Failed to create system directory xfs [ 330.321763][ T4518] Could not create directory for event xfs_iunlink_remove [ 330.350906][ T4518] Failed to create system directory xfs [ 330.350931][ T4518] Could not create directory for event xfs_iunlink [ 330.392464][ T4518] Failed to create system directory xfs [ 330.392489][ T4518] Could not create directory for event xfs_inode_reload_unlinked_bucket [ 330.420640][ T4518] Failed to create system directory xfs [ 330.420664][ T4518] Could not create directory for event xfs_iunlink_reload_next [ 330.447868][ T4518] Failed to create system directory xfs [ 330.447894][ T4518] Could not create directory for event xfs_iunlink_update_dinode [ 330.481330][ T4518] Failed to create system directory xfs [ 330.481357][ T4518] Could not create directory for event xfs_iunlink_update_bucket [ 330.499584][ T4518] Failed to create system directory xfs [ 330.499608][ T4518] Could not create directory for event xfs_trans_free_items [ 330.541334][ T4518] Failed to create system directory xfs [ 330.541359][ T4518] Could not create directory for event xfs_trans_commit_items [ 330.559538][ T4518] Failed to create system directory xfs [ 330.559563][ T4518] Could not create directory for event xfs_trans_add_item [ 330.592256][ T4518] Failed to create system directory xfs [ 330.592281][ T4518] Could not create directory for event xfs_trans_roll [ 330.620609][ T4518] Failed to create system directory xfs [ 330.620632][ T4518] Could not create directory for event xfs_trans_free [ 330.650252][ T4518] Failed to create system directory xfs [ 330.650275][ T4518] Could not create directory for event xfs_trans_dup [ 330.683692][ T4518] Failed to create system directory xfs [ 330.683716][ T4518] Could not create directory for event xfs_trans_commit [ 330.701866][ T4518] Failed to create system directory xfs [ 330.701888][ T4518] Could not create directory for event xfs_trans_cancel [ 330.740428][ T4518] Failed to create system directory xfs [ 330.740451][ T4518] Could not create directory for event xfs_trans_alloc [ 330.758540][ T4518] Failed to create system directory xfs [ 330.758564][ T4518] Could not create directory for event xfs_log_get_max_trans_res [ 330.791762][ T4518] Failed to create system directory xfs [ 330.791788][ T4518] Could not create directory for event xfs_trans_resv_calc_minlogsize [ 330.809791][ T4518] Failed to create system directory xfs [ 330.809815][ T4518] Could not create directory for event xfs_trans_resv_calc [ 330.846904][ T4518] Failed to create system directory xfs [ 330.846928][ T4518] Could not create directory for event xfs_getfsmap_mapping [ 330.881770][ T4518] Failed to create system directory xfs [ 330.881795][ T4518] Could not create directory for event xfs_getfsmap_high_key [ 330.899813][ T4518] Failed to create system directory xfs [ 330.899836][ T4518] Could not create directory for event xfs_getfsmap_low_key [ 330.932887][ T4518] Failed to create system directory xfs [ 330.932912][ T4518] Could not create directory for event xfs_fsmap_high_key_linear [ 330.956874][ T4518] Failed to create system directory xfs [ 330.956897][ T4518] Could not create directory for event xfs_fsmap_low_key_linear [ 330.990197][ T4518] Failed to create system directory xfs [ 330.990221][ T4518] Could not create directory for event xfs_fsmap_mapping [ 331.008181][ T4518] Failed to create system directory xfs [ 331.008203][ T4518] Could not create directory for event xfs_fsmap_high_key [ 331.041214][ T4518] Failed to create system directory xfs [ 331.041238][ T4518] Could not create directory for event xfs_fsmap_low_key [ 331.079070][ T4518] Failed to create system directory xfs [ 331.079094][ T4518] Could not create directory for event xfs_swap_extent_rmap_error [ 331.097110][ T4518] Failed to create system directory xfs [ 331.097134][ T4518] Could not create directory for event xfs_swap_extent_rmap_remap_piece [ 331.128413][ T4518] Failed to create system directory xfs [ 331.128439][ T4518] Could not create directory for event xfs_swap_extent_rmap_remap [ 331.152309][ T4518] Failed to create system directory xfs [ 331.152332][ T4518] Could not create directory for event xfs_reflink_cancel_cow [ 331.190084][ T4518] Failed to create system directory xfs [ 331.190108][ T4518] Could not create directory for event xfs_reflink_end_cow_error [ 331.226958][ T4518] Failed to create system directory xfs [ 331.226984][ T4518] Could not create directory for event xfs_reflink_cancel_cow_range_error [ 331.241955][ T27] ? nmi_trigger_cpumask_backtrace+0x360/0x450 [ 331.248131][ T27] watchdog+0xf4d/0xf50 [ 331.252306][ T27] ? watchdog+0x1ed/0xf50 [ 331.256655][ T27] kthread+0x29d/0x330 [ 331.258778][ T4518] Failed to create system directory xfs [ 331.258799][ T4518] Could not create directory for event xfs_reflink_cow_remap_to [ 331.273886][ T27] ? hungtask_pm_notify+0x40/0x40 [ 331.278922][ T27] ? kthread_blkcg+0xd0/0xd0 [ 331.283521][ T27] ret_from_fork+0x1f/0x30 [ 331.287956][ T27] [ 331.291122][ T27] Kernel Offset: disabled [ 331.295451][ T27] Rebooting in 86400 seconds..